CN110844771A - Crane is with lifting hook of being convenient for change - Google Patents

Abstract

The invention discloses an easy-to-replace hook for a crane, comprising a mounting seat, the top of the mounting seat is fixedly connected with a connecting piece, the bottom of the inner cavity of the mounting seat is provided with a groove, and the left side of the inner wall of the groove is provided with a groove. A slot is provided on the side, a screw is installed laterally on the top of the inner cavity of the mounting seat, a screw sleeve is threadedly connected to the surface of the screw, and a push plate is fixedly connected to the bottom of the screw sleeve, and the right side of the push plate is installed There is a spring, and the right side of the spring is fixedly connected with the right side of the inner wall of the mounting seat, and the left side of the push plate is fixedly connected with an insertion rod. In the present invention, the connecting ring is inserted into the interior of the groove, and then the rotating plate is rotated, the rotating plate drives the screw to rotate, the screw drives the screw sleeve to move to the left, the movement of the screw sleeve drives the push plate to move, the movement of the push plate drives the insertion rod to move, and the insertion rod moves. The rod penetrates through the connecting ring and is inserted into the card slot, which achieves the advantage of being easy to replace, and solves the problem that the existing hook for a crane is inconvenient to replace when in use.

Description

An easy-to-replace hook for a crane

technical field

The invention relates to the technical field of lifting hooks, in particular to a lifting hook that is easy to replace for a crane.

Background technique

The lifting hook is a part of a crane, which is often used to lift heavy objects. The hook is often suspended on the wire rope of the lifting mechanism by means of a pulley block and other components. Pear-shaped rings, long rings, combined rings, S hooks, nose hooks and American hooks, etc., while the existing crane hooks are not easy to replace when in use, and they are often connected to the wire rope, but they are not suitable for objects. The hooks used for lifting are different, so they need to be replaced repeatedly, and the replacement process is cumbersome and inconvenient for people to use.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides a hook for a crane that is easy to replace, which has the advantage of being easy to replace, and solves the problem that the existing hook for a crane is inconvenient to replace when in use. The wire rope is connected, but the hooks used for lifting objects are different, so they need to be replaced repeatedly, the replacement process is cumbersome, and it is not convenient for people to use.

(2) Technical solutions

In order to achieve the above purpose of being easy to replace, the present invention provides the following technical solution: a hook for a crane that is easy to replace, including a mounting seat, the top of the mounting seat is fixedly connected with a connecting piece, and the bottom of the inner cavity of the mounting seat is provided with There is a groove, the left side of the inner wall of the groove is provided with a slot, the top of the inner cavity of the mounting seat is laterally installed with a screw, the surface of the screw is threadedly connected with a screw sleeve, and the bottom of the screw sleeve is fixedly connected with a screw Push plate, a spring is installed on the right side of the push plate, and the right side of the spring is fixedly connected with the right side of the inner wall of the mounting seat, the left side of the push plate is fixedly connected with an insertion rod, and the left side of the insertion rod passes through The groove extends to the inner cavity of the card slot, the surface of the insertion rod is provided with a connecting ring, the inner cavity of the connecting ring is provided with an opening for use with the insertion rod, and the bottom of the connecting ring is installed with a hook through a bolt .

Preferably, the right side of the screw penetrates to the right side of the mounting seat and is fixedly connected with a turning plate, the surface of the turning plate is fixedly connected with protruding strips, the number of the protruding strips is multiple, and the plurality of protruding strips are It is distributed around the surface of the rotating plate.

Preferably, a bearing ring is embedded in the top of the left side of the inner wall of the mounting seat, and the inner ring of the bearing ring is fixedly connected with the left side of the screw rod.

Preferably, the top of the screw sleeve is fixedly connected to the limit slide bar, the top of the inner wall of the mounting seat is provided with a limit chute, and the top of the limit slide bar is slidably connected to the inner wall of the limit slide slot.

Preferably, a connecting plate is fixedly connected to the left side of the spring, and the left side of the connecting plate is fixedly connected to the right side of the push plate.

(3) Beneficial effects

Compared with the prior art, the present invention provides an easy-to-replace hook for a crane, which has the following beneficial effects:

1. In the present invention, the connecting ring is inserted into the interior of the groove, then the rotating plate is rotated, the rotating plate drives the screw to rotate, the screw drives the screw sleeve to move to the left, the movement of the screw sleeve drives the push plate to move, and the movement of the push plate drives the insertion rod to move. The insertion rod penetrates the connecting ring and is inserted into the card slot, which achieves the advantage of being easy to replace, and solves the problem that the existing crane hook is inconvenient to replace when in use. The hooks used are different, so they need to be replaced repeatedly, the replacement process is cumbersome, and it is inconvenient for people to use.

2. The present invention increases the contact area between the user's hand and the rotating plate through the protruding strips, and avoids the phenomenon of falling off when the user rotates the rotating plate.

3. The present invention improves the stability of the connection between the spring and the push plate through the connecting plate, and prevents the spring from shaking during operation.

4. In the present invention, through the opening, the insertion rod can smoothly penetrate the connecting ring, so as to fix and remove the position of the connecting ring.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional view of the mounting seat structure of the present invention;

FIG. 3 is a left side view of the connecting ring structure of the present invention.

In the figure: 1. Mounting seat; 2. Hook; 3. Connecting ring; 4. Insert rod; 5. Slot; 6. Connecting piece; 7. Turning plate; 8. Raised strip; 9. Bearing ring; ; 11, screw sleeve; 12, limit slider; 13, limit chute; 14, spring; 15, connecting plate; 16, push plate; 17, opening; 18, groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, the mounting seat 1, the hook 2, the connecting ring 3, the insertion rod 4, the card slot 5, the connecting piece 6, the rotating plate 7, the convex strip 8, the bearing ring 9, the screw rod 10, the screw sleeve 11, the limit sliding rod 12 , limit chute 13, spring 14, connecting plate 15, push plate 16, openings and 17 grooves 18 components are general standard parts or components known to those skilled in the art, and their structures and principles are available to those skilled in the art Known through technical manuals or through routine experimental methods.

Please refer to Fig. 1-3, an easy-to-replace hook for a crane includes a mounting base 1, the top of the mounting base 1 is fixedly connected with a connecting piece 6, and the bottom of the inner cavity of the mounting base 1 is provided with a groove 18, the groove 18 The left side of the inner wall is provided with a slot 5, the top of the inner cavity of the mounting seat 1 is laterally installed with a screw rod 10, the right side of the screw rod 10 penetrates to the right side of the mounting seat 1 and is fixedly connected with a rotating plate 7, and the surface of the rotating plate 7 is fixed The protruding strips 8 are connected, and the number of protruding strips 8 is multiple, and the plurality of protruding strips 8 are distributed around the surface of the rotating plate 7, and the contact area between the user's hand and the rotating plate 7 is improved by the convex strips 8, To avoid the phenomenon of falling off when the user rotates the rotating plate 7, the top of the left side of the inner wall of the mounting seat 1 is embedded with a bearing ring 9, the inner ring of the bearing ring 9 is fixedly connected with the left side of the screw 10, and the surface of the screw 10 is threaded A screw sleeve 11 is connected, the top of the screw sleeve 11 is fixedly connected to the limit slide bar 12, the top of the inner wall of the mounting seat 1 is provided with a limit slot 13, and the top of the limit slide bar 12 is in a sliding connection with the inner wall of the limit slot 13. , a push plate 16 is fixedly connected to the bottom of the screw sleeve 11, a spring 14 is installed on the right side of the push plate 16, and the right side of the spring 14 is fixedly connected to the right side of the inner wall of the mounting seat 1, and the left side of the spring 14 is fixedly connected with a connection Plate 15, the left side of the connection plate 15 is fixedly connected with the right side of the push plate 16, through the connection plate 15, the stability of the connection between the spring 14 and the push plate 16 is improved, preventing the spring 14 from shaking during operation, and the push plate 16 The left side of the insertion rod 4 is fixedly connected with the insertion rod 4, the left side of the insertion rod 4 penetrates the groove 18 and extends to the inner cavity of the card slot 5, the surface of the insertion rod 4 is provided with a connecting ring 3, and the inner cavity of the connecting ring 3 is provided with a The opening 17 used in conjunction with the insertion rod 4 enables the insertion rod 4 to smoothly penetrate the connecting ring 3 through the opening 17, thereby fixing and disassembling the position of the connecting ring 3. The bottom of the connecting ring 3 is installed with the hook 2 through bolts.

When in use, firstly, the rotating plate 7 is driven to rotate by the convex strip 8, and the rotating plate 7 drives the screw 10 to reverse, and the screw 11 is moved to the right under the screw connection between the screw 10 and the screw sleeve 11, and the screw sleeve 11 drives the limit slide. The rod 12 slides inside the limit chute 13, and at the same time the screw sleeve 11 drives the push plate 16 to move, the movement of the push plate 16 deforms the spring 14, and the movement of the push plate 16 drives the insertion rod 4 to move, and the insertion rod 4 escapes from the slot. 5 and the connecting ring 3, the connecting ring 3 can be replaced, on the contrary, reverse the rotating plate 7, the rotating plate 7 drives the screw 10 to rotate, the screw 10 drives the screw sleeve 11 to move to the left, and the movement of the screw sleeve 11 drives the push plate 16 moves, the movement of the push plate 16 drives the insertion rod 4 to move, and the insertion rod 4 penetrates the connecting ring 3 and is inserted into the slot 5, and the connecting ring 3 can be installed.

Although embodiments of the present invention have been shown and described, various modifications and variations of the present invention will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a lifting hook that crane was convenient for change, includes mount pad (1), its characterized in that: the top fixedly connected with connecting piece (6) of mount pad (1), recess (18) have been seted up to the bottom of mount pad (1) inner chamber, draw-in groove (5) have been seted up in the left side of recess (18) inner wall, screw rod (10) have transversely been installed at the top of mount pad (1) inner chamber, the surface threaded connection of screw rod (10) has swivel nut (11), the bottom fixedly connected with push pedal (16) of swivel nut (11), spring (14) are installed to the right side of push pedal (16), and the right side of spring (14) and the right side fixed connection of mount pad (1) inner wall, the left side fixedly connected with inserted bar (4) of push pedal (16), the inner chamber that recess (18) and extended to draw-in groove (5) is run through in the left side of inserted bar (4), the surface of inserted bar (4) is equipped with go-between (3), the opening (17) that uses with inserted bar (4) cooperation has been seted up to the, and the bottom of the connecting ring (3) is provided with a hook (2) through a bolt.

2. A crane hook according to claim 1, further comprising: the right side of screw rod (10) runs through to right side and fixedly connected with of mount pad (1) changes board (7), the fixed surface of changeing board (7) is connected with sand grip (8), the quantity of sand grip (8) is a plurality of, and a plurality of sand grips (8) are the surface that encircles distribution in changeing board (7).

3. A crane hook according to claim 1, further comprising: bearing ring (9) are embedded into the top of the left side of the inner wall of the mounting seat (1), and the inner ring of the bearing ring (9) is fixedly connected with the left side of the screw rod (10).

4. A crane hook according to claim 1, further comprising: the top fixedly connected with spacing slide bar (12) of swivel nut (11), spacing spout (13) have been seted up at the top of mount pad (1) inner wall, the top of spacing slide bar (12) is sliding connection with the inner wall of spacing spout (13).

5. A crane hook according to claim 1, further comprising: the left side fixedly connected with connecting plate (15) of spring (14), the left side of connecting plate (15) and the right side fixed connection of push pedal (16).

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