CN213326333U

CN213326333U - Safety anti-falling mechanism in hoisting process of tower crane

Info

Publication number: CN213326333U
Application number: CN202021734993.2U
Authority: CN
Inventors: 顾佳琦; 季文镭
Original assignee: Nantong Pangyuan Mechanical Engineering Co ltd
Current assignee: Nantong Pangyuan Mechanical Engineering Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-01
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a safe anti-falling mechanism in tower crane hoist and mount process, including the lifting hook, the top fixedly connected with steel cable of lifting hook, the bottom of lifting hook is provided with the box, the front side at box top and the equal fixedly connected with rings in rear side, the fixed surface of rings is connected with the connection rope, the top fixedly connected with horizontal piece on steel cable surface, the front of horizontal piece has the fly leaf through pivot swing joint, the equal fixedly connected with in both sides of bottom half erects the piece, the bottom of erecting the piece runs through to the inside of fly leaf, the front of box and the equal fixedly connected with in the back prop up the piece. The utility model provides an in-process that current lifting hook was using, it lifts by crane the goods through the lifting hook mostly, lead to the goods to break away from the lifting hook easily, lead to the problem that the goods damaged, this tower crane hoist and mount safety in-process prevents weighing down the mechanism, possesses the advantage that safety was prevented weighing down, has improved the practicality of lifting hook.

Description

Safety anti-falling mechanism in hoisting process of tower crane

Technical Field

The utility model relates to a tower crane technical field specifically is tower crane hoist and mount safety of in-process prevents weighing down mechanism.

Background

The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening one section by one section, the tower crane is an indispensable equipment on the construction site, the tip of the tower crane has the function of bearing the upper load transmitted by a boom pull rope and a balance arm pull rope and directly transmits the upper load to a tower body structure through a rotary tower, a rotary table, a bearing seat and other structural components, and the top of the self-elevating tower is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type.

The hoist need use the lifting hook when using, but current lifting hook lifts by crane the goods through the lifting hook at the in-process that uses mostly, leads to the goods to break away from the lifting hook easily, leads to the goods to damage, has reduced the practicality of lifting hook.

Disclosure of Invention

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a safe anti-falling mechanism of tower crane hoist and mount in-process possesses safe advantage of preventing weighing down, has solved current lifting hook at the in-process that uses, lifts by crane the goods through the lifting hook mostly, leads to the goods to break away from the lifting hook easily, leads to the problem that the goods damaged.

In order to achieve the above object, the utility model provides a following technical scheme: safety of tower crane hoist and mount in-process prevents weighing down mechanism, including the lifting hook, the top fixedly connected with steel cable of lifting hook, the bottom of lifting hook is provided with the box, the equal fixedly connected with rings in front side and the rear side at box top, the fixed surface of rings is connected with the connection rope, the top fixedly connected with horizontal piece on steel cable surface, the front of horizontal piece has the fly leaf through pivot swing joint, the equal fixedly connected with riser in both sides of bottom half, the bottom of riser runs through to the inside of fly leaf, the front and the equal fixedly connected with in the back of box prop up the piece, the outside of propping up the piece runs through to the outside of fly leaf, the front of fly leaf is provided with the fixture block, the back of fixture block runs through to the inside of propping up the piece.

As the utility model discloses it is preferred, the movable hole that uses with a piece cooperation is seted up in the outside of fly leaf, and the first card hole that uses with the fixture block cooperation is all seted up at the front and the back of activity downthehole wall, the second card hole that uses with the fixture block cooperation is seted up in the front of a piece.

As the utility model discloses it is preferred, the outside of a piece is provided with the sleeve, the internal thread has been seted up to telescopic inner wall, the external screw thread that uses with interior screw-thread fit is seted up on the surface of a piece, telescopic inner wall and a piece's surface threaded connection.

As the utility model discloses it is preferred, the equal fixedly connected with supporting shoe in four corners of bottom half, the perpendicular hole that uses with the riser cooperation is seted up to the bottom of fly leaf.

As the utility model discloses it is preferred, the both sides at rings top all are provided with the bolt, and the screwed end of bolt runs through to the bottom of rings and the top fixed connection of box.

As the utility model discloses it is preferred, the positive fixedly connected with pull ring of fixture block, anti-skidding line has been seted up on the surface of pull ring.

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

1. the utility model discloses a set up the cooperation of lifting hook, steel cable, box, rings, horizontal piece, fly leaf, riser, piece and fixture block and use, solved current lifting hook at the in-process that uses, lift by crane the goods through the lifting hook mostly, lead to the goods to break away from the lifting hook easily, lead to the problem that the goods damaged, this tower crane hoist and mount safety anti-falling mechanism of in-process possesses the advantage of safe anti-falling, has improved the practicality of lifting hook.

2. The utility model discloses a friction of a piece and fly leaf can be reduced in the setting of activity hole, has prolonged a life of piece, through the setting in first card hole and second card hole, can fix a position the position of a piece.

3. The utility model discloses a telescopic setting can prevent that a piece from breaking away from the fly leaf, uses through the cooperation of internal thread and external screw thread, can fix a position telescopic position.

4. The utility model discloses a setting of supporting shoe can support the position of box, uses through the cooperation of riser and perpendicular hole, can fix a position the position of fly leaf, prevents that the fly leaf from breaking away from the box.

5. The utility model discloses a setting of bolt can prevent that rings from breaking away from the box, fixes the position of rings simultaneously.

6. The utility model discloses a setting of pull ring, can the person of facilitating the use pulling fixture block, through the setting of anti-skidding line, the phenomenon that appears skidding when can preventing the user pulling pull ring.

Drawings

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

FIG. 2 is a left side view of the box structure of FIG. 1 according to the present invention;

FIG. 3 is a left sectional view of the movable plate shown in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 1 according to the present invention;

fig. 5 is a perspective view of the vertical block structure in fig. 1 according to the present invention.

In the figure: 1. a hook; 2. a steel cord; 3. a box body; 4. a hoisting ring; 5. a transverse block; 6. a movable plate; 7. a vertical block; 8. supporting a block; 9. a clamping block; 10. a sleeve; 11. a support block; 12. a pull ring; 13. and connecting ropes.

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.

As shown in fig. 1 to 5, the utility model provides a safe anti-falling mechanism in tower crane hoist and mount process, including lifting hook 1, lifting hook 1's top fixedly connected with steel cable 2, lifting hook 1's bottom is provided with box 3, the equal fixedly connected with rings 4 of front side and the rear side at box 3 top, rings 4's fixed surface is connected with and connects rope 13, the top fixedly connected with horizontal piece 5 on steel cable 2 surface, there is fly leaf 6 in horizontal piece 5's front through pivot swing joint, the equal fixedly connected with riser block 7 in both sides of box 3 bottom, the inside of fly leaf 6 is run through to riser block 7's bottom, the front and the equal fixedly connected with journal block 8 in the back of box 3, the outside of journal block 8 runs through to the outside of fly leaf 6, the front of fly leaf 6 is provided with fixture block 9, the back of fixture block 9 runs through to the inside.

Referring to fig. 1, a movable hole matched with the support block 8 is formed in the outer side of the movable plate 6, first clamping holes matched with the clamping blocks 9 are formed in the front and the back of the inner wall of the movable hole, and second clamping holes matched with the clamping blocks 9 are formed in the front of the support block 8.

As the utility model discloses a technical optimization scheme, through the setting in activity hole, can reduce a piece 8 and the friction of fly leaf 6, has prolonged a piece 8's life, through the setting in first card hole and second card hole, can fix a position a piece 8's position.

Referring to fig. 4, a sleeve 10 is disposed outside the support block 8, an inner thread is formed on an inner wall of the sleeve 10, an outer thread used in cooperation with the inner thread is formed on a surface of the support block 8, and the inner wall of the sleeve 10 is in threaded connection with the surface of the support block 8.

As a technical optimization scheme of the utility model, through the setting of sleeve 10, can prevent that a piece 8 from breaking away from fly leaf 6, use through the cooperation of internal thread and external screw thread, can fix a position sleeve 10's position.

Referring to fig. 2, the four corners of the bottom of the box 3 are fixedly connected with supporting blocks 11, and the bottom of the movable plate 6 is provided with vertical holes matched with the vertical blocks 7.

As a technical optimization scheme of the utility model, through the setting of supporting shoe 11, can support the position of box 3, use through the cooperation of riser 7 and perpendicular hole, can fix a position the position of fly leaf 6, prevent that fly leaf 6 from breaking away from box 3.

Referring to fig. 2, bolts are arranged on both sides of the top of the hanging ring 4, and threaded ends of the bolts penetrate through the bottom of the hanging ring 4 and are fixedly connected with the top of the box body 3.

As a technical optimization scheme of the utility model, through the setting of bolt, can prevent that rings 4 from breaking away from box 3, fix rings 4's position simultaneously.

Referring to fig. 3, the front surface of the fixture block 9 is fixedly connected with a pull ring 12, and the surface of the pull ring 12 is provided with anti-skid lines.

As the utility model discloses a technical optimization scheme, through the setting of pull ring 12, can the person of facilitating the use stimulate fixture block 9, through the setting of anti-skidding line, the phenomenon that appears skidding when can preventing the user from stimulateeing pull ring 12.

The utility model discloses a theory of operation and use flow: when in use, a user rotates the sleeve 10 anticlockwise to enable the internal thread to be separated from the external thread, the sleeve 10 is separated from the support block 8, then the pull ring 12 is pulled forwards, the pull ring 12 moves forwards to drive the clamping block 9 to move forwards, the clamping block 9 is separated from the first clamping hole and the second clamping hole in sequence, then the movable plate 6 is pulled downwards to enable the vertical block 7 to be separated from the vertical hole, then the movable block 6 is pulled outwards to enable the movable plate 6 to rotate around the rotating shaft, then the lifting hook 1 is pulled rightwards to enable the lifting hook 1 to be separated from the connecting rope 13, at the moment, the box body 3 can be disassembled, when in lifting, the user pushes the lifting hook 1 leftwards to enable the connecting rope 13 to be clamped into the inner part of the lifting hook 1, then pushes the movable plate 6 inwards to enable the vertical block 7 to be clamped into the inner part of the vertical hole, the position of the movable plate 6 is limited, meanwhile, the support block 8 is clamped into the inner part, the position to a piece 8 is fixed a position, then clockwise rotation sleeve 10 makes internal thread and external screw thread meshing, fix a piece 8's position through sleeve 10, prevent that a piece 8 from breaking away from fly leaf 6, then upwards stimulate steel wire 2, 2 upward movement of steel wire drive horizontal bar 5, lifting hook 1, connect rope 13 and rings 4 and upwards move, horizontal bar 5 upwards moves and drives fly leaf 6, a

piece

8 and 3 rebound of box, can prevent the phenomenon that the box 3 appears falling this moment.

In summary, the following steps: this mechanism is prevented weighing down safely in tower crane hoist and mount in-process uses through the cooperation that sets up lifting hook 1, steel cable 2, box 3, rings 4, horizontal piece 5, fly leaf 6, riser 7, prop up piece 8 and fixture block 9, has solved current lifting hook and at the in-process that uses, lifts by crane the goods through the lifting hook mostly, leads to the goods to break away from the lifting hook easily, leads to the problem of goods damage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Safety of tower crane hoist and mount in-process prevents weighing down mechanism, including lifting hook (1), its characterized in that: the top of the lifting hook (1) is fixedly connected with a steel rope (2), the bottom of the lifting hook (1) is provided with a box body (3), the front side and the rear side of the top of the box body (3) are both fixedly connected with a hanging ring (4), the surface of the hanging ring (4) is fixedly connected with a connecting rope (13), the top of the surface of the steel rope (2) is fixedly connected with a transverse block (5), the front surface of the transverse block (5) is movably connected with a movable plate (6) through a rotating shaft, the two sides of the bottom of the box body (3) are fixedly connected with vertical blocks (7), the bottom of each vertical block (7) penetrates into the movable plate (6), the front and the back of the box body (3) are both fixedly connected with a supporting block (8), the outer side of the support block (8) penetrates through the outer side of the movable plate (6), a clamping block (9) is arranged on the front face of the movable plate (6), and the back face of the clamping block (9) penetrates through the inner portion of the support block (8).

2. The safety anti-falling mechanism in the hoisting process of the tower crane according to claim 1, characterized in that: the movable hole that uses with a piece (8) cooperation is seted up in the outside of fly leaf (6), and the front and the back of activity hole inner wall all set up with the first card hole that uses with fixture block (9) cooperation, the second card hole that uses with fixture block (9) cooperation is seted up in the front of a piece (8).

3. The safety anti-falling mechanism in the hoisting process of the tower crane according to claim 1, characterized in that: the support structure is characterized in that a sleeve (10) is arranged on the outer side of the support block (8), an internal thread is formed in the inner wall of the sleeve (10), an external thread matched with the internal thread is formed in the surface of the support block (8), and the inner wall of the sleeve (10) is in threaded connection with the surface of the support block (8).

4. The safety anti-falling mechanism in the hoisting process of the tower crane according to claim 1, characterized in that: the four corners of the bottom of the box body (3) are fixedly connected with supporting blocks (11), and vertical holes matched with the vertical blocks (7) for use are formed in the bottom of the movable plate (6).

5. The safety anti-falling mechanism in the hoisting process of the tower crane according to claim 1, characterized in that: bolts are arranged on two sides of the top of the hanging ring (4), and threaded ends of the bolts penetrate through the bottom of the hanging ring (4) and are fixedly connected with the top of the box body (3).

6. The safety anti-falling mechanism in the hoisting process of the tower crane according to claim 1, characterized in that: the front surface of the clamping block (9) is fixedly connected with a pull ring (12), and anti-skid grains are arranged on the surface of the pull ring (12).