Hook device for rapidly hoisting steel member

Abstract

The utility model relates to the technical field of hook devices, in particular to a hook device for rapidly hoisting a steel member, a hook part is used for connecting a rope tied on the steel member, the hook part is composed of a left side group and a right side group, the left side group is rotatably connected with the right side group, and when the left side group and the right side group rotate reversely, the hook part is connected with the rope. When the left side group and the right side group rotate in the same direction, the hook device is opened, and when the left side group and the right side group rotate in the same direction, the hook device is closed; when the rotating lead screw drives the right front piece and the right rear piece to move towards the left front piece and the left rear piece through the right connecting shaft, the hook device is closed, the steel member is clamped in the hook device, when the external motor drives the lead screw to rotate reversely, the rotating lead screw drives the right front piece and the right rear piece to be away from the left front piece and the left rear piece through the right connecting shaft, and the hook device is opened. The steel member falls off from the device, and the steel member is tightly clamped between the left front piece, the left rear piece, the right front piece and the right rear piece which are bent inwards, so that the accident that the steel member falls off from a high altitude is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to hook device technical field, especially a kind of hook device of quick hoisting steel member. BACKGROUND

[0002] Steel member refers to the structural component made of steel, because it has high strength, good plasticity and toughness, easy to process and install and other advantages, is indispensable material in modern engineering structure.

[0003] In housing engineering, the application of large-span steel beam is very wide, especially in the building that needs large space, no column support, such as gymnasium, exhibition hall, airport terminal building, large workshop, warehouse etc. Large-span steel beam can provide larger span and higher bearing capacity, while having the advantages of fast construction speed, high material utilization rate, good seismic performance etc.

[0004] In engineering construction, as the height of house increases, steel member also needs to be transported to higher position, at this time, large-span steel beam and other steel members need to be hoisted to appropriate height, generally using lifting equipment hook to hang steel member for hoisting.

[0005] The Chinese patent with application number CN201110456241.3 limits the hook device, by setting a limiting part on the hook top plate, a circular-arc-shaped groove with an angle on the loop cover plate, and the limiting part is installed in the circular-arc-shaped groove. The limiting part is limited to rotate in the circular-arc-shaped groove, which drives the hook body to limit rotation. The positioning pin is installed on the hook top plate by interference fit, which is convenient for processing. The hook stopper has rounded corners on four corners, and a counterbore is opened on the hook stopper. The screw is tightened in the counterbore and the loop cover plate, which facilitates disassembly and assembly. When the screw is screwed into the counterbore, the nut part will not be higher than the lower end surface of the loop cover plate, which will not affect the installation of other parts on the loop cover plate. A through hole is opened on the hook stopper, and chamfers are set on both ends of the through hole, which facilitates the assembly of the hook and the hook stopper. Since the hook device does not have a anti-falling device, when the steel member collides with external objects, it is easy to fall off the hook, causing safety accidents. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a hook device for quick hoisting of steel member, to solve the problem of safety accidents caused by the hook device without anti-falling device, when the steel member collides with external objects, it is easy to fall off the hook.

[0007] In order to achieve the above object, according to one aspect of the present application, a hook device for hoisting steel members is provided, which comprises a hook body and a hook part, the hook part is rotatably arranged below the hook body, the hook body is used for connecting the hoisting wire rope of the hoisting equipment, the hook part is used for connecting the rope on the steel member, the hook part is composed of a left group and a right group, the left group and the right group are rotatably connected, when the left group and the right group rotate in opposite directions, the hook device is opened, when the left group and the right group rotate in the same direction, the hook device is closed.

[0008] Further, the hook body comprises a hook body block, a hook ring and a plurality of convex particles, the hook ring is fixedly arranged on the top of the hook body block and used for penetrating the hoisting wire rope of the hoisting equipment, and the convex particles are all fixedly arranged on the inner surface of the hook ring.

[0009] Further, the hook part further comprises a top shaft, and the top shaft is rotatably connected with the left group and the right group.

[0010] Further, the left group comprises a left front piece, a left rear piece, a left connecting shaft and a plurality of fixed shafts, the left front piece is rotatably arranged at the front end of the top shaft, and the left rear piece is rotatably arranged at the rear end of the top shaft.

[0011] Further, the left front piece and the left rear piece are identical in shape and are both provided with an inward bending at the bottom, and the bending angle is 30°-50°.

[0012] Further, the fixed shafts are all fixedly arranged between the left front piece and the left rear piece, and the left connecting shaft is rotatably arranged between the left front piece and the left rear piece.

[0013] Further, the right group comprises a right front piece, a right rear piece, a right connecting shaft and a plurality of fixed shafts, the right front piece is rotatably arranged at the front end of the top shaft, and the right rear piece is rotatably arranged at the rear end of the top shaft.

[0014] Further, the right front piece and the right rear piece are identical in shape and are both provided with an inward bending at the bottom, and the bending angle is 30°-50°.

[0015] Further, the right connecting shaft is rotatably arranged between the right front piece and the right rear piece, and the fixed shafts are all fixedly arranged between the right front piece and the right rear piece.

[0016] Further, a lead screw is arranged through the right connecting shaft, the lead screw is threadedly connected with the right connecting shaft, and the top end of the lead screw is rotatably connected with the left connecting shaft.

[0017] Compared with the prior art, the utility model have following beneficial effect: when the right front piece and the right back piece are driven to left front piece and left back piece by the rotating screw through the right connecting shaft, the hook device is closed, the steel member is clamped in it, when the external motor drives the screw reverse rotation, the right front piece and the right back piece are driven to be far from left front piece and left back piece by the rotating screw through the right connecting shaft, the hook device is opened, the steel member falls off from the device, the left front piece, left back piece and right front piece and right back piece that bend inwards tightly clamp the steel member in it, prevent the steel member from falling from high altitude and the occurrence of the accident. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole schematic view of the utility model embodiment 1;

[0019] Fig. 2 It is the hook portion structure schematic view of the utility model embodiment 1;

[0020] Fig. 3 It is the whole schematic view of the utility model embodiment 2;

[0021] Fig. 4 It is the hook portion structure schematic view of the utility model embodiment 2;

[0022] Fig. 5 It is the rope portion structure schematic view of the utility model embodiment 2;

[0023] Fig. 6 It is the slider portion structure schematic view of the utility model embodiment 2;

[0024] Fig. 7 It is the anti -drop portion closure schematic view of the utility model embodiment 2.

[0025] ILLUSTRATION:

[0026] 1, the body of hook is hung;11, the body of hanging is hung;12, the ring of hanging;13, the convex grain;

[0027] 2, the hook portion is hung;21, the left front piece;22, the left back piece;23, the right front piece;24, the right back piece;25, the top axle;26, the left connecting axle;27, the right connecting axle;28, the screw;29, the fixed axle;201, the body of hook;202, the guide slot;

[0028] 3, the anti -drop portion;31, the anti -drop rod;32, the connecting rod;33, the connecting axle;

[0029] 4, the rope portion is hung;41, the body of hanging rope;42, the convex tooth;43, the slider portion;44, the slider body;45, the limiting block;46, the limiting ring;47, the ball bearing. DETAILED DESCRIPTION

[0030] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine with the drawings and the preferred embodiments to specifically explain the specific implementation manners, structures, features and effects of the utility model.

[0031] Embodiment 1, as shown in the figure, the embodiment provides a hook device for hoisting steel member, including hook body part 1 and hook part 2, hook part 2 is rotatably arranged below hook body part 1, hook body part 1 is used for connecting the hoisting steel wire rope of hoisting equipment, hook part 2 is used for connecting the rope on the steel member, hook part 2 is composed of left side group and right side group, left side group and right side group are rotatably connected, when left side group and right side group rotate reversely, the hook device opens, when left side group and right side group rotate in the same direction, the hook device closes. Figs. 1-2

[0032] Hook body part 1 includes hook body block 11, hook ring 12 and a plurality of convex particles 13, hook ring 12 is fixedly arranged on the top of hook body block 11, and is used for passing through the hoisting steel wire rope of hoisting equipment, and the convex particles 13 are all fixedly arranged on the inner surface of the hook ring 12.

[0033] Hook part 2 further includes top shaft 25, and the top shaft 25 is rotatably connected with the left side group and the right side group.

[0034] The left side group includes left front piece 21, left rear piece 22, left connecting shaft 26 and a plurality of fixed shafts 29, the left front piece 21 is rotatably arranged at the front end of the top shaft 25, and the left rear piece 22 is rotatably arranged at the rear end of the top shaft 25.

[0035] The left front piece 21 and the left rear piece 22 are the same in shape, and are all provided with inward bending at the bottom, and the bending angle is 30°-50°, preferably 45° in the embodiment, so that the steel member is conveniently clamped.

[0036] The fixed shafts 29 are all fixedly arranged between the left front piece 21 and the left rear piece 22, and the left connecting shaft 26 is rotatably arranged between the left front piece 21 and the left rear piece 22.

[0037] The right side group includes right front piece 23, right rear piece 24, right connecting shaft 27 and a plurality of fixed shafts 29, the right front piece 23 is rotatably arranged at the front end of the top shaft 25, and the right rear piece 24 is rotatably arranged at the rear end of the top shaft 25.

[0038] The right front piece 23 and the right rear piece 24 are the same in shape, and are all provided with inward bending at the bottom, and the bending angle is 30°-50°, preferably 45° in the embodiment, so that the steel member is conveniently clamped.

[0039] The right connecting shaft 27 is rotatably arranged between the right front piece 23 and the right rear piece 24, and the fixed shafts 29 are all fixedly arranged between the right front piece 23 and the right rear piece 24.

[0040] ​A lead screw 28 is threaded through the right connecting shaft 27, and the lead screw 28 is threadedly connected to the right connecting shaft 27. The top end of the lead screw 28 is rotatably connected to the left connecting shaft 26.

[0041] In use, an external motor or other power source drives the lead screw 28 to rotate. When the rotating lead screw 28 moves the right front piece 23 and the right rear piece 24 towards the left front piece 21 and the left rear piece 22 via the right connecting shaft 27, the hook device closes and clamps the steel component. When the external motor drives the lead screw 28 to rotate in the opposite direction, the rotating lead screw 28 moves the right front piece 23 and the right rear piece 24 away from the left front piece 21 and the left rear piece 22 via the right connecting shaft 27, the hook device opens, and the steel component falls out of the device.

[0042] Example 2

[0043] like Figs. 3-7 As shown, the hook part 2 in this embodiment is different from the hook part 2 in embodiment 1. The hook part 2 in this embodiment is fixedly disposed below the hanging body part 1, and the hook part 2 is rotatably provided with an anti-detachment part 3 below it.

[0044] The hook part 2 is provided with a rope hanging part 4, which is fixedly connected to the anti-detachment part 3. When the rope tied to the steel component is hooked on the rope hanging part 4 and the rope hanging part 4 is pulled down, the anti-detachment part 3 and the rope hanging part 4 rotate clockwise, and the rope enters the interior of the hook part 2. The anti-detachment part 3 blocks the hook part 2. When the rope tied to the steel component is hooked on the rope hanging part 4 and the rope hanging part 4 is no longer pulled down, the anti-detachment part 3 and the rope hanging part 4 rotate counterclockwise, and the rope hanging part 4 pushes the rope out of the hook part 2.

[0045] The hanging part 1 includes a hanging block 11, a hanging ring 12 and several protrusions 13. The hanging ring 12 is fixedly installed on the top of the hanging block 11 and is used to pass through the lifting wire rope of the lifting equipment. The protrusions 13 are all fixedly installed on the inner surface of the hanging ring 12 to increase the friction of the hanging ring 12, prevent the lifting wire rope from sliding inside the hanging ring 12, causing the steel component to shake, and avoid the shaking steel component from colliding with the surrounding buildings.

[0046] The hook part 2 includes a hook body 201 and a guide groove 202. The hook body 201 is fixedly installed at the bottom of the hanging block 11. The guide groove 202 is located on the side of the hook body 201. The cross-section of the guide groove 202 is T-shaped and is used to accommodate the slider part 43. The limiting block 45 extends into the T-shaped grooves on both sides of the guide groove 202 to restrict the slider part 43 to slide within the guide groove 202, preventing the hanging rope body 41 from driving the anti-detachment rod 31 away from the hook body 201, causing the anti-detachment rod 31 to lose its function of sealing the opening of the hook body 201.

[0047] The anti-detachment part 3 includes an anti-detachment rod 31, a connecting rod 32 and a connecting shaft 33. The connecting shaft 33 is rotatably located on one side of the tail end of the hook body 201 and is on the same side as the guide groove 202.

[0048] The connecting shaft 33 is provided with a torsion spring for resetting, and the anti-dropping rod 31 is fixedly arranged on the outer ring of the connecting shaft 33, and the connecting rod 32 is fixedly arranged on the outer ring of the connecting shaft 33.

[0049] The rotation angle of the anti-dropping rod 31 is 75°-95°, preferably 90° in the embodiment, when the anti-dropping rod 31 rotates 90° to the right, the rope is blocked in the hook body 201, and when the anti-dropping rod 31 rotates 90° to the left, the rope pushing body 41 pushes the rope out of the hook body 201.

[0050] The rope hanging part 4 comprises a rope hanging body 41, a plurality of protruding teeth 42 and a sliding block part 43, the rope hanging body 41 is fixedly arranged on the end of the connecting rod 32, the rope hanging body 41 is arc-shaped near one end of the connecting rod 32, for accommodating the rope on the steel member, preventing the rope from sliding on the rope hanging body 41.

[0051] The protruding teeth 42 are all located in the arc shape and are fixedly connected with the rope hanging body 41, and the sliding block part 43 is fixedly arranged on the lower side of the end of the rope hanging body 41 and is slidably connected with the guide groove 202.

[0052] The protruding teeth 42 are all inclined to the right, and the included angle between the protruding teeth 42 and the rope hanging body 41 is 40°-55°, preferably 50° in the embodiment, the inclined protruding teeth 42 increase the friction of the rope hanging body 41, preventing the rope from sliding off the rope hanging body 41.

[0053] The sliding block part 43 comprises a sliding block body 44 and two limiting block groups, the limiting block group comprises a limiting block 45, a plurality of limiting rings 46 and a plurality of rolling balls 47, the sliding block body 44 is fixedly connected with the rope hanging body 41, the limiting block 45 is fixedly arranged on both sides of the sliding block body 44, the limiting ring 46 is fixedly arranged on the outer side surface of the limiting block 45, and the rolling ball 47 is rollingly arranged on the end of the limiting ring 46, the rolling ball 47 rolls along the guide groove 202, facilitating the sliding of the sliding block part 43 in the guide groove 202, and improving the flexibility of the anti-dropping rod 31.

[0054] The rope is tied at a proper position of the steel member, and the end of the rope is formed into a loop for hanging on the hook, the bottom end of the hoisting steel wire rope on the crane is passed through the hanging ring 12 and tied, the crane is operated, the hook part 2 is moved above the rope to be hoisted by the hoisting steel wire rope, the rope is pulled up, and the loop part is hung on the rope hanging part 4, at this time, the anti-falling rod 31 is lifted to block the rope and prevent it from slipping off the rope hanging part 4, the crane is operated again, the hoisting steel wire rope is tightened, the hook body 201 is pulled up by the hoisting steel wire rope, the hook body 201 drives the rope to move upwards, the steel member pulls the rope downwards, the rope is taut, and the rope hanging body 41 is pressed downwards, the rope hanging body 41 drives the anti-falling rod 31 to rotate around the connecting shaft 33 in the clockwise direction through the connecting rod 32, the torsional spring at the connecting shaft 33 is deformed to store energy, the end of the anti-falling rod 31 is turned to the hook body 201 to block the opening of the hook body 201, if the steel member is collided by external objects during hoisting, the steel member rotates to drive the looped rope to rotate in the hook body 201, since the anti-falling rod 31 blocks the opening of the hook body 201, the looped rope cannot fall off from the hook body 201, the steel member is prevented from falling off from the hook body 201, and the falling accident of the steel member from the high altitude is avoided; after the steel member is hoisted to the designated position, the hoisting steel wire rope of the crane is elongated, the hook part 2 is lowered, the rope on the steel member is no longer pulled, the rope is in a relaxed state, the torsional spring in the connecting shaft 33 rebounds to drive the anti-falling rod 31 and the rope hanging body 41 to rotate in the counterclockwise direction, the rope hanging body 41 pushes the rope out of the hook body 201, the looped rope is conveniently taken off from the hook body 201, and the rapid hoisting of the steel member is completed.

[0055] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the preferred embodiment of the present application has been disclosed, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes do not deviate from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiments based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A hook device for hoisting a steel member, comprising a hook body (1) and a hook (2), the hook (2) being rotatably arranged below the hook body (1), the hook body (1) being used for connecting a hoisting wire rope of a hoisting equipment, and the hook (2) being used for connecting a rope tied on the steel member, characterized in that, The hook part (2) is composed of a left group and a right group, which are rotationally connected, and the hook device is opened when the left group and the right group rotate reversely, and the hook device is closed when the left group and the right group rotate in the same direction.

2. The hook arrangement for quick hoisting of steel members according to claim 1, characterized in that, The hanger part (1) comprises a hanger block (11), a hanger ring (12) and a plurality of convex particles (13), the hanger ring (12) is fixedly arranged on the top of the hanger block (11) and used for penetrating the hoisting steel wire rope of the hoisting equipment, and the convex particles (13) are all fixedly arranged on the inner surface of the hanger ring (12).

3. The hook arrangement for quick hoisting of steel construction elements according to claim 2, characterized in that, The hook part (2) further comprises a top shaft (25), which is rotationally connected with the left group and the right group.

4. The hook arrangement for quick hoisting of steel construction elements according to claim 3, characterized in that, The left group comprises a left front piece (21), a left rear piece (22), a left connecting shaft (26) and a plurality of fixed shafts (29), the left front piece (21) is rotationally arranged at the front end of the top shaft (25), and the left rear piece (22) is rotationally arranged at the rear end of the top shaft (25).

5. The hook arrangement for quick hoisting of steel construction elements according to claim 4, characterized in that, The left front piece (21) and the left rear piece (22) are identical in shape and are both provided with an inward bending at the bottom, and the bending angle is 30°-50°.

6. The hook arrangement for quick hoisting of steel members according to claim 4, characterized in that, The fixed shafts (29) are all fixedly arranged between the left front piece (21) and the left rear piece (22), and the left connecting shaft (26) is rotationally arranged between the left front piece (21) and the left rear piece (22).

7. The hook arrangement for quick hoisting of steel members according to claim 4, characterized in that, The right group comprises a right front piece (23), a right rear piece (24), a right connecting shaft (27) and a plurality of fixed shafts (29), the right front piece (23) is rotationally arranged at the front end of the top shaft (25), and the right rear piece (24) is rotationally arranged at the rear end of the top shaft (25).

8. The hook arrangement for quick hoisting of steel construction elements according to claim 7, characterized in that, The right front piece (23) and the right rear piece (24) are identical in shape and are both provided with an inward bending at the bottom, and the bending angle is 30°-50°.

9. The hook arrangement for quick hoisting of steel members according to claim 7, characterized in that, The right connecting shaft (27) is rotationally arranged between the right front piece (23) and the right rear piece (24), and the fixed shafts (29) are all fixedly arranged between the right front piece (23) and the right rear piece (24).

10. The hook arrangement for quick hoisting of steel members according to claim 7, characterized in that, A lead screw (28) is arranged through the right connecting shaft (27), the lead screw (28) is threadedly connected with the right connecting shaft (27), and the top end of the lead screw (28) is rotationally connected with the left connecting shaft (26).

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