Fixator special for overhauling crane hook

Abstract

The utility model discloses a special fixer for overhauling a crane hook, and relates to the technical field related to cranes. The device comprises a top disc, a middle disc, a bottom disc, pull ropes and a supporting assembly, the top disc, the middle disc and the bottom disc are sequentially distributed from top to bottom, the supporting assembly is jointly inserted outside the top disc and the middle disc in a penetrating mode, and the pull ropes distributed in an annular array mode are arranged on the peripheries of the top disc, the middle disc and the bottom disc; the supporting assembly comprises a first vertical rod and a second vertical rod, a first transverse rod and a second transverse rod are jointly fixed between the opposite faces of the first vertical rod and the second vertical rod, a first wedge-shaped block is fixed to the upper portion of the face, away from the first vertical rod, of the second vertical rod, a second wedge-shaped block is arranged below the first wedge-shaped block, and a third screw is connected to the middle of the second vertical rod in a penetrating and threaded mode. Through the arrangement of the supporting assembly, the top disc, the middle disc, the bottom disc and the pull rope, the problems that when a lifting hook and a pulley block are overhauled, related supporting and fixing structures are lacked, the sizes of the lifting hooks are different, and certain applicability is needed during supporting and fixing are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to cranes, and particularly relates to a special fixer for crane hook maintenance. Background Art

[0002] A crane is a multi-action lifting machine that can lift heavy objects vertically and carry them horizontally within a certain range. Some lifting equipment has the working characteristic of intermittent motion, that is, the corresponding mechanisms of material collection, transportation, unloading and other actions work alternately in one working cycle. There are many types of cranes, such as bridge cranes, gantry cranes, tire cranes, single-arm cranes, double-arm cranes, etc. Most cranes cannot do without the hook component. The hook cooperates with the pulley block, wire rope and other structures above it to lift the heavy objects. However, once the hook and the related connecting parts above it are damaged, it is not easy to repair. Therefore, the hook has the following disadvantages in actual maintenance:

[0003] 1. First of all, the hook cannot be repaired on the top of the crane because it is too high and the maintenance position is too dangerous. Therefore, it must be placed on the ground. However, the hook has a large deadweight and is not stable enough after being lowered. It is easy to float. The lack of corresponding fixing means easily complicates the maintenance work. Relevant fixing structures are needed to fix the hook to maintain stable maintenance operations.

[0004] 2. Secondly, the hook inspection is mostly used to inspect the hook and the pulley block above it, or to inspect the connection part between the hook and the pulley block. Most pulley blocks are designed with a large upper part and a small lower part, but there are always some deviations. Therefore, when supporting and fixing the hook and pulley block, it is necessary to make it as adaptable as possible to various hooks and pulley blocks for support and fixation. Utility Model Content

[0005] The purpose of the utility model is to provide a special fixer for crane hook maintenance. By arranging a support component, a top plate, a middle plate, a bottom plate and a pull rope, the problem of lack of relevant supporting and fixing structure when the hook and the pulley block are repaired, and the difference in the size of the hook, which requires a certain applicability when supporting and fixing, is solved.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a special fixture for crane hook maintenance, comprising 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 sequence from top to bottom, and 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.

[0008] The support assembly includes a vertical rod 1 and a vertical rod 2, and a cross rod 1 and a cross rod 2 are fixed between the opposite surfaces of the vertical rod 1 and the vertical rod 2, and the cross rod 1 is located above the cross rod 2, the vertical rod 1 is located outside the top plate and the middle plate, and the vertical rod 2 is located in the inner cavity of the top plate and the middle plate; a wedge block 1 is fixed to the upper part of the side of the vertical rod 2 away from the vertical rod 1, and a wedge block 2 is arranged below the wedge block 1, a screw rod 3 is threadedly connected to the middle part of the vertical rod 2, and one end of the screw rod 3 is rotatably connected to a side close to the wedge block 2.

[0009] Furthermore, the top plate and the middle plate are of the same size, the inner diameter of the bottom plate is equal to the inner diameters of the top plate and the middle plate, but the outer diameter of the bottom plate is larger than the outer diameters of the top plate and the middle plate.

[0010] Furthermore, a support plate 1 distributed in a circular array is fixed between the opposing surfaces of the top plate and the middle plate, a support plate 2 distributed in a circular array is fixed between the opposing surfaces of the middle plate and the bottom plate, and legs distributed in a circular array are fixed at the inner and outer edges of the bottom surface of the bottom plate.

[0011] Furthermore, the outer circumferential surfaces of the top plate, the middle plate and the bottom plate are all fixed with hanging ears distributed in a circular array, and the higher end of the pull rope is movably connected to the hanging ear, the lower end of the pull rope is fixed with an ear plate, and a ground nail is vertically inserted into the end of the ear plate away from the pull rope.

[0012] Furthermore, the cross bar 1 is located above the top plate and contacts the upper surface of the top plate, and the cross bar 2 is located above the middle plate and contacts the upper surface of the middle plate.

[0013] Furthermore, a screw rod 1 is movably connected in a vertical rod 1 below the horizontal rod 1, an end of the screw rod 1 away from the vertical rod 1 is rotatably connected to the side of the vertical rod 2, and the middle part of the screw rod 1 is connected to the top plate in a through-threaded manner.

[0014] Furthermore, a screw rod 2 is movably connected in the vertical rod 1 below the horizontal rod 2, and one end of the screw rod 2 away from the vertical rod 1 is rotatably connected to the side of the vertical rod 2, and the middle part of the screw rod 2 is connected to the middle plate in a through-threaded manner.

[0015] Furthermore, a symmetrically distributed reinforcing plate 1 is fixed to one side of the wedge-shaped block 1 close to the vertical rod 2, and a side of the reinforcing plate 1 close to the horizontal rod 1 is fixed to the horizontal rod 1; a symmetrically distributed reinforcing plate 2 is fixed to one side of the wedge-shaped block 2 close to the vertical rod 2, and a limiting strip is fixed to one side of the reinforcing plate 2 close to the vertical rod 2, and limiting grooves are provided on both sides of the middle part of the vertical rod 2, and the limiting strips are slidably inserted into the limiting grooves.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model solves the problem of lack of relevant supporting and fixing structure when the hook and the pulley block are repaired, and it is difficult to ensure stable maintenance work by arranging a supporting assembly, a top plate, a middle plate, a bottom plate, and a pull rope; first, the top plate, the middle plate, and the bottom plate are connected in pairs to form a three-layer stable supporting structure, and then the pull ropes are tightened on the outside of the top plate, the middle plate, and the bottom plate, and nailed into the ground in cooperation with the ground nails to realize the oblique pull fixing design, so that the top plate, the middle plate, and the bottom plate are firmly and firmly fixed; then the supporting assembly is used to support and stabilize the hook and the pulley block, and the supporting assembly is arranged in two groups for symmetrical support, two wedge blocks one and two wedge blocks are used to support the upper and lower parts of the pulley block to realize large-area fixed-point support, and then the cross bar one is supported by the top plate, and the cross bar two is supported by the middle plate to share the force of the vertical bar two, and then the screw rod one and the screw rod two are connected with the vertical bar two, so that the movement of the vertical bar two can be controlled, and the force points of the vertical bar two can be increased, so that the support is more stable.

[0018] 2. The utility model solves the problem that there are differences in the sizes of the hooks and a certain degree of applicability is required for support and fixation by setting a support assembly; in the support assembly, screw rod one and screw rod two are rotated synchronously to move them in the top plate and the middle plate respectively, thereby changing the positions of vertical rod one and vertical rod two, and then controlling the positions of wedge blocks one and wedge blocks two on vertical rod one, so as to change the corresponding force support position according to the specific size of the hook and the pulley block, and at the same time, by controlling the rotation of screw rod three, the position of wedge block two can be further fine-tuned, and the support position can be further changed in a targeted manner so that the utility model is suitable for various types of hooks and pulley blocks for support and fixation, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0020] Figure 1 A three-dimensional diagram of a special fixing device for crane hook maintenance;

[0021] Figure 2 This is a structural diagram after the support components are removed;

[0022] Figure 3 This is the structural diagram after the pull rope is removed;

[0023] Figure 4 for Figure 3 Bottom view of

[0024] Figure 5 It is a cross-sectional view of the connection between the top plate and the middle plate and the supporting components;

[0025] Figure 6 A structural diagram of the supporting assembly;

[0026] Figure 7 This is a structural diagram after removing the wedge block 2 from the support assembly;

[0027] Figure 8 This is the structural diagram of wedge block 2.

[0028] Reference numerals:

[0029] 1. Top plate; 101. Support plate 1; 2. Middle plate; 201. Support plate 2; 3. Bottom plate; 301. Outrigger; 4. Pull rope; 401. Ear plate; 402. Ground nail; 403. Lifting ear; 5. Support assembly; 501. Vertical bar 1; 502. Vertical bar 2; 5021. Limiting groove; 503. Cross bar 1; 504. Cross bar 2; 505. Screw rod 1; 506. Screw rod 2; 507. Wedge block 1; 5071. Reinforcement plate 1; 508. Wedge block 2; 5081. Reinforcement plate 2; 5082. Limiting strip; 509. Screw rod 3. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] See also Figure 1-8 As shown, the utility model is a special fixture for crane hook maintenance, comprising a top plate 1, a middle plate 2, a bottom plate 3, a pull rope 4 and a support assembly 5. The top plate 1, the middle plate 2 and the bottom plate 3 are arranged in sequence from top to bottom, and the top plate 1 and the middle plate 2 are interspersed with the support assembly 5. The outer peripheries of the top plate 1, the middle plate 2 and the bottom plate 3 are all provided with pull ropes 4 distributed in a ring array.

[0032] The top plate 1 and the middle plate 2 are of the same size, the inner diameter of the bottom plate 3 is equal to the inner diameters of the top plate 1 and the middle plate 2, but the outer diameter of the bottom plate 3 is larger than the outer diameters of the top plate 1 and the middle plate 2;

[0033] A support plate 101 distributed in a circular array is fixed between the opposite surfaces of the top plate 1 and the middle plate 2, a support plate 201 distributed in a circular array is fixed between the opposite surfaces of the middle plate 2 and the bottom plate 3, and legs 301 distributed in a circular array are fixed at the inner and outer edges of the bottom surface of the bottom plate 3;

[0034] First, the utility model is placed at the designated hook lowering location, and the bottom plate 3 is supported by the legs 301 and placed on the ground. Then, the middle plate 2 and the bottom plate 3 are fixedly connected by the supporting plate 201, and the top plate 1 and the middle plate 2 are fixedly connected by the supporting plate 1, so that the top plate 1, the middle plate 2 and the bottom plate 3 are connected in pairs to form a three-layer stable support structure.

[0035] The outer circumferences of the top plate 1, the middle plate 2, and the bottom plate 3 are all fixed with hanging ears 403 distributed in a circular array, and the higher end of the pull rope 4 is movably connected to the hanging ear 403, and the lower end of the pull rope 4 is fixed with an ear plate 401, and the end of the ear plate 401 away from the pull rope 4 is vertically penetrated and inserted with a ground nail 402;

[0036] After the positions of the top plate 1, the middle plate 2 and the bottom plate 3 are determined, the pull rope 4 on the outside of the top plate 1, the middle plate 2 and the bottom plate 3 is tightened, and the ear plate 401 at the bottom of the pull rope 4 is nailed into the ground through the ground nail 402 to realize the oblique fixing design, so that the top plate 1, the middle plate 2 and the bottom plate 3 are firmly fixed.

[0037] The support assembly 5 includes a vertical rod 1 501 and a vertical rod 2 502, and a horizontal rod 1 503 and a horizontal rod 2 504 are fixed between the opposite surfaces of the vertical rod 1 501 and the vertical rod 2 502, and the horizontal rod 1 503 is located above the horizontal rod 2 504, the vertical rod 1 501 is located outside the top plate 1 and the middle plate 2, and the vertical rod 2 502 is located in the inner cavity of the top plate 1 and the middle plate 2; a wedge block 1 507 is fixed to the upper part of the vertical rod 2 502 away from the vertical rod 1 501, and a wedge block 2 508 is arranged below the wedge block 1 507, and a screw rod 3 509 is threadedly connected to the middle part of the vertical rod 2 502, and one end of the screw rod 3 509 is rotatably connected to a surface close to the wedge block 2 508;

[0038] The crossbar 1 503 is located above the top plate 1 and contacts the upper surface of the top plate 1 , and the crossbar 2 504 is located above the middle plate 2 and contacts the upper surface of the middle plate 2 ;

[0039] Two groups of support components 5 are arranged and distributed symmetrically with each other, and are used to support the pulley block above the hook. The horizontal bar 1 503 and the horizontal bar 2 504 are fixed between the vertical bar 1 501 and the vertical bar 2 502 to form a square frame structure. The horizontal bar 1 503 is located above the top plate 1 and supported by the top plate 1, and the horizontal bar 2 504 is located above the middle plate 2 and supported by the middle plate 2, so as to share the force of the support component 5, and a wedge block 1 507 and a wedge block 2 508 are arranged on the side of the vertical bar 1 501. The wedge block 1 507 is used to support the large head part of the upper part of the pulley block, and the wedge block 2 508 is used to support the small head part of the lower part of the pulley block. The wedge block 2 508 can also realize fine adjustment of the position by rotating the screw rod 3 509.

[0040] A screw rod 505 is movably connected in the vertical rod 501 below the horizontal rod 503. One end of the screw rod 505 away from the vertical rod 501 is rotatably connected to the side of the vertical rod 2 502, and the middle part of the screw rod 505 is connected to the top plate 1 in a through-threaded manner.

[0041] A screw rod 506 is movably connected in the vertical rod 501 below the horizontal rod 504. The end of the screw rod 506 away from the vertical rod 501 is rotatably connected to the side of the vertical rod 502, and the middle part of the screw rod 506 is connected to the middle plate 2 in a through-threaded manner.

[0042] The screw rod 1 505 and the screw rod 2 506 are rotated synchronously, the screw rod 1 505 moves in the internal thread of the top plate 1, and the screw rod 2 506 moves in the internal thread of the middle plate 2, so that the vertical rod 1 501 moves toward the center of the top plate 1 and the middle plate 2, thereby changing the positions of the wedge block 1 507 and the wedge block 2 508, thereby changing the support position;

[0043] A symmetrically distributed reinforcing plate 1 5071 is fixed to one side of the wedge-shaped block 1 507 close to the vertical rod 2 502, and a side of the reinforcing plate 1 5071 close to the horizontal rod 1 503 is fixed to the horizontal rod 1 503; a symmetrically distributed reinforcing plate 2 5081 is fixed to one side of the wedge-shaped block 2 508 close to the vertical rod 2 502, and a limiting strip 5082 is fixed to one side of the reinforcing plate 2 5081 close to the vertical rod 2 502, and limiting grooves 5021 are provided on both sides of the middle of the vertical rod 2 502, and the limiting strip 5082 is slidably inserted into the limiting groove 5021;

[0044] The wedge block 1 507 is strengthened in structural stability by installing a reinforcing plate 1 5071 and a cross bar 1 503, while the wedge block 2 508 is strengthened in structural stability by installing a reinforcing plate 2 5081 and a vertical bar. A limit strip 5082 is inserted into the limit groove 5021 to establish a certain connection, and it can be ensured that when the screw rod 3 509 rotates to adjust the wedge block 2 508, the wedge block 2 508 will not rotate.

[0045] The specific working principle of the utility model is as follows: first, the bottom plate 3 is supported by the supporting legs 301 and placed on the ground, and then the opposite surfaces of the middle plate 2 and the bottom plate 3 are fixedly connected by the supporting plate 201, and the opposite surfaces of the top plate 1 and the middle plate 2 are fixedly connected by the supporting plate 1, and then the pull rope 4 outside the top plate 1, the middle plate 2 and the bottom plate 3 is tightened, and the ear plate 401 at the bottom of the pull rope 4 is nailed into the ground through the ground nail 402 to realize the oblique pull fixing design, and then the screw rod 1 505 and the screw rod 2 506 are rotated synchronously, the screw rod 1 505 is threaded in the top plate 1, and the screw rod 2 506 is threaded in the middle plate 2, so that the vertical rod One 501 moves toward the center of the top plate 1 and the middle plate 2, thereby changing the positions of wedge block one 507 and wedge block two 508 to make them adapt to the pulley block to be supported, and dropping the hook and the pulley block into the inner cavity of the top plate 1 and the middle plate 2 until the wedge block one 507 supports the large head part of the upper part of the pulley block, and the wedge block two 508 is used to support the small head part of the lower part of the pulley block. If the position of wedge block two 508 is not accurate, the position of wedge block two 508 can be fine-tuned by rotating screw three 509; finally, after the pulley block is supported and stabilized, the position of the hook is also stable, and it is convenient to inspect the pulley block and the connection part with the hook.

[0046] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A special fixing device for crane hook maintenance, comprising a top plate (1), a middle plate (2), a bottom plate (3), a pull rope (4) and a supporting assembly (5), characterized in that: The top plate (1), the middle plate (2), and the bottom plate (3) are arranged in sequence from top to bottom; a support assembly (5) is interspersed between the top plate (1) and the middle plate (2); and pull ropes (4) arranged in a circular array are arranged on the outer peripheries of the top plate (1), the middle plate (2), and the bottom plate (3); The support assembly (5) comprises a vertical rod 1 (501) and a vertical rod 2 (502), wherein a horizontal rod 1 (503) and a horizontal rod 2 (504) are fixed between the opposite surfaces of the vertical rod 1 (501) and the vertical rod 2 (502), and the horizontal rod 1 (503) is located above the horizontal rod 2 (504), the vertical rod 1 (501) is located outside the top plate (1) and the middle plate (2), and the vertical rod 2 (502) is located in the inner cavity of the top plate (1) and the middle plate (2); a wedge block 1 (507) is fixed to the upper part of the vertical rod 2 (502) away from the vertical rod 1 (501), and a wedge block 2 (508) is arranged below the wedge block 1 (507); a screw rod 3 (509) is threadedly connected to the middle part of the vertical rod 2 (502), and one end of the screw rod 3 (509) is rotatably connected to a surface close to the wedge block 2 (508).

2. A special fixing device for crane hook maintenance according to claim 1, characterized in that: The top plate (1) and the middle plate (2) are of the same size, the inner diameter of the bottom plate (3) is equal to the inner diameters of the top plate (1) and the middle plate (2), but the outer diameter of the bottom plate (3) is greater than the outer diameters of the top plate (1) and the middle plate (2).

3. A special fixing device for crane hook maintenance according to claim 1, characterized in that: Support plates (101) distributed in a circular array are fixed between the opposing surfaces of the top plate (1) and the middle plate (2), support plates (201) distributed in a circular array are fixed between the opposing surfaces of the middle plate (2) and the bottom plate (3), and legs (301) distributed in a circular array are fixed at the inner and outer edges of the bottom surface of the bottom plate (3).

4. A special fixer for crane hook maintenance according to claim 1, characterized in that: The outer circumferential surfaces of the top plate (1), the middle plate (2) and the bottom plate (3) are all fixed with hanging ears (403) distributed in a ring array, and the higher end of the pull rope (4) is movably connected to the hanging ear (403), and the lower end of the pull rope (4) is fixed with an ear plate (401), and a ground nail (402) is vertically inserted into the end of the ear plate (401) away from the pull rope (4).

5. The special fixing device for crane hook maintenance according to claim 1, characterized in that: The first crossbar (503) is located above the top plate (1) and contacts the upper surface of the top plate (1), and the second crossbar (504) is located above the middle plate (2) and contacts the upper surface of the middle plate (2).

6. A special fixer for crane hook maintenance according to claim 1, characterized in that: A screw rod 1 (505) is movably connected inside the vertical rod 1 (501) below the horizontal rod 1 (503), and one end of the screw rod 1 (505) away from the vertical rod 1 (501) is rotatably connected to the side of the vertical rod 2 (502), and the middle part of the screw rod 1 (505) is connected to the top plate (1) in a through-threaded manner.

7. A special fixer for crane hook maintenance according to claim 1, characterized in that: A screw rod 2 (506) is movably connected inside the vertical rod 1 (501) below the horizontal rod 2 (504), and one end of the screw rod 2 (506) away from the vertical rod 1 (501) is rotatably connected to the side of the vertical rod 2 (502), and the middle part of the screw rod 2 (506) is connected to the middle plate (2) in a through-threaded manner.

8. The special fixing device for crane hook maintenance according to claim 1, characterized in that: A symmetrically distributed reinforcing plate 1 (5071) is fixed to one side of the wedge-shaped block 1 (507) close to the vertical rod 2 (502), and a side of the reinforcing plate 1 (5071) close to the horizontal rod 1 (503) is fixed to the horizontal rod 1 (503); a symmetrically distributed reinforcing plate 2 (5081) is fixed to one side of the wedge-shaped block 2 (508) close to the vertical rod 2 (502), and a limiting strip (5082) is fixed to one side of the reinforcing plate 2 (5081) close to the vertical rod 2 (502), and limiting grooves (5021) are provided on both sides of the middle of the vertical rod 2 (502), and the limiting strip (5082) is slidably inserted into the limiting groove (5021).

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