CN222498426U - Special fixer for overhauling crane hook - Google Patents

Abstract

The utility model discloses a special fixer for crane hook maintenance, and relates to the technical field related to cranes. The utility model includes a top plate, a middle plate, a bottom plate, a pull rope and a support assembly. The top plate, the middle plate and the bottom plate are arranged in order from top to bottom. The top plate and the middle plate are interspersed with support assemblies. The outer peripheries of the top plate, the middle plate and the bottom plate are all provided with pull ropes distributed in a circular array. The support assembly includes a vertical rod 1 and a vertical rod 2. The vertical rod 1 and the vertical rod 2 are fixed between the opposite surfaces. A wedge block 1 is fixed to the upper part of the vertical rod 2 away from the vertical rod 1, and a wedge block 2 is arranged below the wedge block 1. The middle part of the vertical rod 2 is threadedly connected with a screw rod 3. The utility model solves the problems of lack of relevant support and fixing structures when the hook and the pulley block are repaired, and the differences in the sizes of the hooks, and the need for certain applicability when supporting and fixing by arranging the support assembly, the top plate, the middle plate, the bottom plate and the pull rope.

Description

Special fixer for overhauling crane hook

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a special fixer for overhauling a crane hook.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The lifting equipment has the working characteristics that the lifting equipment performs intermittent motion, namely corresponding mechanisms of taking, moving, unloading and the like in one working cycle alternately work. The crane variety is various, like bridge crane, gantry crane, tyre crane, single arm crane, double arm crane etc. and this subassembly of lifting hook is all gone away to all cranes most, and lifting hook cooperation pulley block, wire rope etc. structure in its top lifts up the heavy object, however lifting hook and the relevant connecting portion of top are once damaged, just be difficult to overhaul very much, so the following drawback exists in the actual overhaul of lifting hook:

1. firstly, for overhaul of the lifting hook, the lifting hook cannot be overhauled at the top end of the crane, the lifting hook is too high in height and dangerous in overhaul position, so that the lifting hook is necessarily required to be placed on the ground, but the lifting hook is large in dead weight, insufficient in stability after being lowered, easy to drift and unstable, lack of corresponding fixing means, easy to increase complexity of overhaul work, and needs a related fixing structure to fix the lifting hook so as to keep stable overhaul work;

2. Secondly, the overhaul of the lifting hook is mostly used for overhauling the lifting hook and the pulley block above the lifting hook, or overhauling the connecting part of the lifting hook and the pulley block, and most of the pulley blocks are designed with large upper parts and small lower parts, but always have a small deviation, so that the lifting hook and the pulley block are required to be matched with various lifting hooks and pulley blocks as much as possible for supporting and fixing when supporting and fixing the lifting hook and the pulley block.

Disclosure of utility model

The utility model aims to provide a special fixer for overhauling a crane hook, which solves the problems that a supporting and fixing structure is lacked when the crane hook and a pulley block are overhauled, the size of the crane hook is different, and certain applicability is needed when the crane hook is supported and fixed by arranging a supporting component, a top plate, a middle plate, a bottom plate and a pull rope.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a special fixer for overhauling a crane hook, which comprises a top disc, a middle disc, a bottom disc, pull ropes and supporting components, wherein the top disc, the middle disc and the bottom disc are sequentially distributed from top to bottom;

The support assembly comprises a first vertical rod and a second vertical rod, wherein a first transverse rod and a second transverse rod are jointly fixed between opposite surfaces of the first vertical rod and the second vertical rod, the first transverse rod is located above the second transverse rod, the first vertical rod is located outside the top disc and the middle disc and is located in an inner cavity of the top disc and the middle disc, a first wedge block is fixed on the upper portion of one surface of the second vertical rod far away from the first vertical rod, a second wedge block is arranged below the first wedge block, a third screw rod is connected in a penetrating threaded manner in the middle of the second vertical rod, and one end of the third screw rod is connected with one surface of the second wedge block in a rotating manner.

Further, the top disc and the middle disc are consistent in size, the inner diameter of the bottom disc is equal to the inner diameters of the top disc and the middle disc, and the outer diameter of the bottom disc is larger than the outer diameters of the top disc and the middle disc.

Further, a first supporting plate distributed in an annular array is fixed between the opposite surfaces of the top plate and the middle plate, a second supporting plate distributed in an annular array is fixed between the opposite surfaces of the middle plate and the bottom plate, and supporting legs distributed in an annular array are fixed at the inner edge and the outer edge of the bottom surface of the bottom plate.

Further, lifting lugs distributed in an annular array are fixed on the peripheral surfaces of the top plate, the middle plate and the bottom plate, one end of the pull rope, which is higher, is movably connected with the lifting lugs, one end of the pull rope, which is lower, is fixed with an ear plate, and a ground nail vertically penetrates and is inserted into one end part, which is far away from the pull rope, of the ear plate.

Further, the first cross rod is positioned above the top disc and contacts the upper surface of the top disc, and the second cross rod is positioned above the middle disc and contacts the upper surface of the middle disc.

Further, a first screw rod is movably connected in a first vertical rod below the cross rod, one end, away from the first vertical rod, of the first screw rod is rotatably connected with the side face of a second vertical rod, and the middle part of the first screw rod is in penetrating threaded connection with the top disc.

Further, a screw rod II is movably connected in the first vertical rod below the second horizontal rod, one end of the screw rod II, which is far away from the first vertical rod, is rotationally connected with the side surface of the second vertical rod, and the middle part of the screw rod II is in penetrating threaded connection with the middle plate.

The wedge-shaped block is characterized in that a first reinforcing plate which is symmetrically distributed is fixed on one surface of the wedge-shaped block, which is close to the second vertical rod, and one surface of the reinforcing plate, which is close to the first transverse rod, is fixed with the first transverse rod, a second reinforcing plate which is symmetrically distributed is fixed on one surface of the wedge-shaped block, which is close to the second vertical rod, and a limiting strip is fixed on one surface of the reinforcing plate, which is close to the second vertical rod, and limiting grooves are formed in two sides of the middle of the second vertical rod, and the limiting strips are slidably inserted into the limiting grooves.

The utility model has the following beneficial effects:

1. The utility model solves the problem that the lifting hook and the pulley block lack related supporting and fixing structures when overhauling, and is difficult to ensure stable overhauling operation by arranging the supporting components, the top plate, the middle plate and the bottom plate are connected in pairs to form a three-layer stable supporting structure, then the outer parts of the top plate, the middle plate and the bottom plate are tensioned, the guy rope is nailed into the ground in cooperation with ground nails to realize inclined-pulling fixing design, the top plate, the middle plate and the bottom plate are firmly and firmly stabilized, then the lifting hook and the pulley block are supported and stabilized by the supporting components, the supporting components are arranged into two groups for symmetrical supporting, the two wedge blocks I and the wedge blocks II are used for supporting the upper part and the lower part of the pulley block to realize large-area fixed-point supporting, then the cross rod I is supported by the top plate, the cross rod II is supported by the middle plate to share the stress of the vertical rod II, and then the screw rod I and the screw rod II are connected with the vertical rod II, so that the movement of the vertical rod II can be controlled, and the stress point of the vertical rod II can be increased, and the supporting is more stable.

2. The utility model solves the problem that the sizes of the lifting hooks are different and certain applicability is needed when the lifting hooks are supported and fixed by arranging the supporting component, and in the supporting component, the screw rod I and the screw rod II are synchronously rotated to respectively move in the top disc and the middle disc, so that the positions of the vertical rod I and the vertical rod II are changed, the positions of the wedge block I and the wedge block II on the vertical rod I are further controlled, the corresponding stressed supporting positions are changed according to the specific sizes of the lifting hooks and the pulley blocks, and meanwhile, the positions of the wedge block II can be further finely adjusted by controlling the rotation of the screw rod III, and the supporting position meter is further changed in a targeted manner to ensure that the lifting hook and the pulley block are suitable for supporting and fixing various types and are convenient to use.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.

FIG. 1 is a perspective view of a special fixture for overhauling a crane hook;

FIG. 2 is a block diagram of the support assembly removed;

FIG. 3 is a block diagram of the pull cord removed;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a view showing the connection of the top and middle plates to the support assembly after the top and middle plates are cut away;

FIG. 6 is a block diagram of a support assembly;

FIG. 7 is a block diagram of the support assembly with the second wedge removed;

Fig. 8 is a structural diagram of a second wedge.

Reference numerals:

1. Top plate 101, first support plate 2, middle plate 201, second support plate 3, bottom plate 301, supporting leg 4, pull rope 401, ear plate 402, ground nail 403, lifting lug 5, support component 501, first vertical rod 502, second vertical rod 5021, limit groove 503, first horizontal rod 504, second horizontal rod 505, first screw rod 506, second screw rod 507, first wedge block 5071, first reinforcing plate 508, second wedge block 5081, second reinforcing plate 5082, limit bar 509 and third screw rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-8, the utility model discloses a special fixer for overhauling a crane hook, which comprises a top disc 1, a middle disc 2, a bottom disc 3, pull ropes 4 and a supporting component 5, wherein the top disc 1, the middle disc 2 and the bottom disc 3 are sequentially distributed from top to bottom, the supporting component 5 is inserted outside the top disc 1 and the middle disc 2 together, and the pull ropes 4 distributed in an annular array are arranged on the peripheries of the top disc 1, the middle disc 2 and the bottom disc 3;

the top disc 1 and the middle disc 2 are identical in size, the inner diameter of the bottom disc 3 is equal to the inner diameters of the top disc 1 and the middle disc 2, but the outer diameter of the bottom disc 3 is larger than the outer diameters of the top disc 1 and the middle disc 2;

A first supporting plate 101 distributed in an annular array is fixed between the opposite surfaces of the top disc 1 and the middle disc 2, a second supporting plate 201 distributed in an annular array is fixed between the opposite surfaces of the middle disc 2 and the bottom disc 3, and supporting legs 301 distributed in an annular array are fixed at the inner edge and the outer edge of the bottom surface of the bottom disc 3;

Firstly, the utility model is placed at a designated lifting hook descending place, the supporting legs 301 are used for supporting the chassis 3 and placing the chassis on the ground, then the opposite surfaces of the middle tray 2 and the chassis 3 are fixedly connected through the second supporting plate 201, and the opposite surfaces of the top tray 1 and the middle tray 2 are fixedly connected through the supporting one, so that the top tray 1, the middle tray 2 and the chassis 3 are connected two by two to form a three-layer stable supporting structure;

Lifting lugs 403 distributed in an annular array are fixed on the peripheral surfaces of the top plate 1, the middle plate 2 and the bottom plate 3, one higher end of the pull rope 4 is movably connected with the lifting lugs 403, one lower end of the pull rope 4 is fixed with a lug plate 401, and a ground nail 402 vertically penetrates and is inserted into one end of the lug plate 401 far away from the pull rope 4;

After the positions of the top disc 1, the middle disc 2 and the bottom disc 3 are determined, the pull ropes 4 outside the top disc 1, the middle disc 2 and the bottom disc 3 are tensioned and matched with the ear plates 401 at the bottom ends of the pull ropes 4 to be nailed into the ground through the ground nails 402, so that the inclined pulling fixing design is realized, and the top disc 1, the middle disc 2 and the bottom disc 3 are firmly and firmly fixed.

The support component 5 comprises a first vertical rod 501 and a second vertical rod 502, wherein a first transverse rod 503 and a second transverse rod 504 are jointly fixed between opposite surfaces of the first vertical rod 501 and the second vertical rod 502, the first transverse rod 503 is positioned above the second transverse rod 504, the first vertical rod 501 is positioned outside the top disc 1 and the middle disc 2, the second vertical rod 502 is positioned in inner cavities of the top disc 1 and the middle disc 2, a first wedge block 507 is fixed on the upper part of one surface of the second vertical rod 502 far away from the first vertical rod 501, a second wedge block 508 is arranged below the first wedge block 507, a third screw 509 is connected in a penetrating threaded manner in the middle of the second vertical rod 502, and one end of the third screw 509 is in rotary connection with one surface close to the second wedge block 508;

the first cross rod 503 is located above the top tray 1 and contacts the upper surface of the top tray 1, the second cross rod 504 is located above the middle tray 2 and contacts the upper surface of the middle tray 2;

The support component 5 is provided with two groups and is symmetrically distributed with each other and used for supporting the pulley block above the lifting hook, the first transverse rod 503 and the second transverse rod 504 are fixed between the first vertical rod 501 and the second vertical rod 502 to form a square frame structure, the first transverse rod 503 is positioned above the top plate 1 and supported by the top plate 1, the second transverse rod 504 is positioned above the middle plate 2 and supported by the middle plate 2, the stress of the support component 5 is shared, the side surface of the first vertical rod 501 is provided with the first wedge block 507 and the second wedge block 508, the first wedge block 507 is used for supporting the large head part of the upper part of the pulley block, the second wedge block 508 is used for supporting the small head part of the lower part of the pulley block, and the second wedge block 508 can also realize fine adjustment of the position by rotating the third screw 509.

A first screw rod 505 is movably connected in the first vertical rod 501 below the first transverse rod 503, one end of the first screw rod 505, which is far away from the first vertical rod 501, is rotationally connected with the side surface of the second vertical rod 502, and the middle part of the first screw rod 505 is in penetrating threaded connection with the top disc 1;

a second screw 506 is movably connected in the first vertical rod 501 below the second cross rod 504, one end of the second screw 506, which is far away from the first vertical rod 501, is rotationally connected with the side surface of the second vertical rod 502, and the middle part of the second screw 506 is in penetrating threaded connection with the middle plate 2;

Synchronously rotating the first screw 505 and the second screw 506, wherein the first screw 505 is in threaded travel in the top disc 1, the second screw 506 is in threaded travel in the middle disc 2, so that the first vertical rod 501 is in threaded travel towards the centers of the top disc 1 and the middle disc 2, and the positions of the first wedge block 507 and the second wedge block 508 are changed, and the supporting position is changed;

One side of the wedge-shaped block I507, which is close to the second vertical rod 502, is fixedly provided with a symmetrically distributed reinforcing plate I5071, one side of the reinforcing plate I5071, which is close to the first transverse rod 503, is fixedly provided with a symmetrically distributed reinforcing plate II 5081, one side of the wedge-shaped block II 508, which is close to the second vertical rod 502, is fixedly provided with a limit bar 5082, two sides of the middle part of the second vertical rod 502 are provided with limit grooves 5021, and the limit bars 5082 are in sliding insertion connection with the limit grooves 5021;

The first wedge block 507 enhances structural stability through the first mounting reinforcing plate 5071 and the first cross rod 503, the second wedge block 508 increases structural stability through the second mounting reinforcing plate 5081 and the vertical rod, the second wedge block 508 is inserted into the limiting groove 5021 through the limiting strip 5082 to be connected to a certain extent, and the second wedge block 508 can not rotate when the third screw 509 rotates to adjust the second wedge block 508.

The concrete working principle of the utility model is that firstly, the supporting leg 301 is utilized to support the chassis 3 and is placed on the ground, then the opposite surfaces of the middle disc 2 and the chassis 3 are fixedly connected through the supporting plate II 201, the opposite surfaces of the top disc 1 and the middle disc 2 are fixedly connected through the supporting plate II, then the pulling rope 4 outside the top disc 1, the middle disc 2 and the chassis 3 is tensioned, and is matched with the lug plate 401 at the bottom end of the pulling rope 4 to be nailed into the ground through the ground nail 402, the inclined pulling fixed design is realized, then the screw rod I505 and the screw rod II 506 are synchronously rotated, the screw rod I505 is threaded in the top disc 1, the screw rod II 506 is threaded in the middle disc 2, so that the vertical rod I501 is threaded towards the center of the top disc 1 and the middle disc 2, the positions of the wedge block I507 and the wedge block II 508 are changed, the positions of the wedge block I are adapted to be supported, the lifting hooks and the pulley blocks fall into the inner cavities of the top disc 1 and the middle disc 2 until the wedge block I507 supports the large head part of the upper part of the pulley block, the wedge block II is used for supporting the small head part of the lower part, if the wedge block II position is not accurate, the position of the wedge block II is also rotated 509, the stable position of the lifting hooks can be stably supported by the wedge block II, and the position of the lifting hooks can be stably connected with the lifting hook II, and the position of the stable position of the lifting block is realized, and the stable position of the lifting hook position after the position is realized.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (8)

1. The special fixer for overhauling the crane hook comprises a top disc (1), a middle disc (2), a bottom disc (3), pull ropes (4) and a supporting component (5), and is characterized in that the top disc (1), the middle disc (2) and the bottom disc (3) are sequentially distributed from top to bottom, the supporting component (5) is inserted outside the top disc (1) and the middle disc (2) together, and the pull ropes (4) distributed in an annular array are arranged on the peripheries of the top disc (1), the middle disc (2) and the bottom disc (3);

The supporting component (5) comprises a first vertical rod (501) and a second vertical rod (502), a first transverse rod (503) and a second transverse rod (504) are fixed between opposite faces of the first vertical rod (501) and the second vertical rod (502) together, the first transverse rod (503) is located above the second transverse rod (504), the first vertical rod (501) is located outside the top disc (1) and the middle disc (2), the second vertical rod (502) is located in an inner cavity of the top disc (1) and the middle disc (2), a first wedge block (507) is fixed on the upper portion of one face of the second vertical rod (502) away from the first vertical rod (501), a second wedge block (508) is arranged below the first wedge block (507), a third screw rod (509) is connected in a penetrating threaded mode in the middle of the second vertical rod (502), and one end of the third screw rod (509) is connected with one face close to the second wedge block (508) in a rotating mode.

2. The special fixer for overhauling the crane hook according to claim 1, wherein the top disc (1) and the middle disc (2) are identical in size, the inner diameter of the bottom disc (3) is equal to the inner diameters of the top disc (1) and the middle disc (2), and the outer diameter of the bottom disc (3) is larger than the outer diameters of the top disc (1) and the middle disc (2).

3. The special fixer for overhauling a crane hook according to claim 1, wherein a first supporting plate (101) distributed in an annular array is fixed between opposite surfaces of the top plate (1) and the middle plate (2), a second supporting plate (201) distributed in an annular array is fixed between opposite surfaces of the middle plate (2) and the bottom plate (3), and supporting legs (301) distributed in an annular array are fixed at inner edge and outer edge of the bottom surface of the bottom plate (3).

4. The special fixer for overhauling the crane hook according to claim 1, wherein lifting lugs (403) distributed in an annular array are fixed on the outer peripheral surfaces of the top disc (1), the middle disc (2) and the bottom disc (3), one higher end of the pull rope (4) is movably connected with the lifting lugs (403), one lower end of the pull rope (4) is fixed with an ear plate (401), and a ground nail (402) vertically penetrates and is inserted into one end of the ear plate (401) far away from the pull rope (4).

5. The special fixer for overhauling a crane hook according to claim 1, wherein the first cross rod (503) is positioned above the top disc (1) and contacts the upper surface of the top disc (1), and the second cross rod (504) is positioned above the middle disc (2) and contacts the upper surface of the middle disc (2).

6. The special fixer for overhauling a crane hook according to claim 1, wherein a first screw rod (505) is movably connected in a first vertical rod (501) below the first transverse rod (503), one end of the first screw rod (505) far away from the first vertical rod (501) is rotatably connected with the side surface of a second vertical rod (502), and the middle part of the first screw rod (505) is in penetrating threaded connection with the top disc (1).

7. The special fixer for overhauling the crane hook according to claim 1, wherein a screw rod II (506) is movably connected in a vertical rod I (501) below the cross rod II (504), one end of the screw rod II (506) far away from the vertical rod I (501) is rotatably connected with the side surface of the vertical rod II (502), and the middle part of the screw rod II (506) is in penetrating threaded connection with the middle disc (2).

8. The special fixer for overhauling the crane hook according to claim 1, wherein a first reinforcing plate (5071) which is symmetrically distributed is fixed on one surface of the first wedge-shaped block (507) close to the second vertical rod (502), one surface of the first reinforcing plate (5071) close to the first transverse rod (503) is fixed with the first transverse rod (503), a second reinforcing plate (5081) which is symmetrically distributed is fixed on one surface of the second wedge-shaped block (508) close to the second vertical rod (502), a limiting strip (5082) is fixed on one surface of the second reinforcing plate (5081) close to the second vertical rod (502), limiting grooves (5021) are formed in two sides of the middle of the second vertical rod (502), and the limiting strips (5082) are slidably inserted into the limiting grooves (5021).