CN211769755U - Hoist safe balance hoist of job stabilization - Google Patents

Abstract

The utility model belongs to the field of lifting equipment, and in particular relates to a crane safety balance spreader with stable operation, comprising a lifting beam, a balance adjustment mechanism and a hook mechanism. , A accommodating space is formed between the two plywood, the accommodating space is provided with a screw block and a mounting plate, the screw block is slidingly matched with the two plywood, the mounting plate is fixedly connected with the two plywood, and the upper end of the mounting plate is provided with a sliding hole for sliding A fixed rod is slidably fitted on the hole, a spring is set between the fixed rod and the sliding hole, and a pulley is set at the upper end of the fixed rod; the connecting rod is rotated on the hanging beam, and the end of the screw rod is provided with a rotating handle, the screw is screwed with the screw block, and the pulley is connected with the hanging beam Roll fit. The utility model has reasonable design and compact structure, and can move the screw block on the hanging beam by rotating the rotary handle, thereby achieving the effect of adjusting the balance, and the utility model is also provided with a pulley, which makes the process of adjusting the balance more stable.

Description

A crane safety balance spreader with stable work

technical field

The utility model belongs to the field of lifting equipment, in particular to a crane safety balance spreader with stable operation.

Background technique

The balance beam is an accessory of a crane, which is hung on the lower end of the hook of the crane and is used to lift heavy objects. The existing balance hanging beam is generally a left-right symmetrical structure. However, since the center of gravity of the lifting heavy object may be shifted, the eccentricity still occurs.

Utility model content

In order to make up for the deficiencies of the prior art, the utility model provides a technical scheme of a crane safety balance spreader with stable operation.

The safety balance spreader for a crane with stable operation is characterized in that it includes a lifting beam, a balance adjustment mechanism and a set of hook mechanisms, and the balance adjustment mechanism includes two left and right oppositely arranged plywood, and the upper ends of the two plywood are fixedly connected And the upper ends of the two splints are provided with lifting rings, and a accommodating space is formed between the middle and lower parts of the two splints. The accommodating space is provided with a screw block and a mounting plate up and down. The splint is fixedly connected, the upper end of the mounting plate is provided with a sliding hole, the sliding hole is slidably matched with the fixing rod, a spring is arranged between the bottom of the fixing rod and the bottom of the sliding hole, and the upper end of the fixing rod extends out of the sliding hole and is provided with a pulley; The screw rod parallel to the lifting beam is rotated and connected, the end of the screw rod is provided with a rotating handle, the lifting beam and the screw rod are penetrated in the accommodation space formed by the two splints, and the screw rod is screwed with the screw block, and the lifting beam is located between the screw block and the pulley. Between the pulleys and the hanging beam rolling fit.

Said kind of crane safety balance spreader with stable operation is characterized in that the inner side of the two splints is provided with a sliding fitting groove that matches the shape of the screw block, the two sides of the screw block are slidingly matched with the sliding fitting groove, and the screw block and the sliding fitting groove are slidably matched. The top inner wall of the matching groove is blocked.

The safety balance spreader for a crane with stable operation is characterized in that a casing is sandwiched between the upper ends of the two clamping plates, the two clamping plates and the casing are fixed by bolts, and the hoisting ring is arranged on the casing.

The safety balance spreader for a crane with stable operation is characterized in that the hook mechanism includes four hooks, and the four hooks are arranged at both ends of the lifting beam two by two.

The safety balance spreader for a crane with stable operation is characterized in that a locking strip is arranged on the hook.

The safety balance spreader for a crane with stable operation is characterized in that the hook and the hanging beam are connected by a chain provided.

Compared with the prior art, the utility model has a reasonable design and a compact structure, and the screw block can be moved on the hanging beam by rotating the rotary handle, thereby achieving the effect of adjusting the balance, and the utility model is also provided with a pulley to adjust the balance. process is more stable.

Description of drawings

Fig. 1 is one of the structural representations of the utility model;

Fig. 2 is the second structural schematic diagram of the utility model.

In the figure: hanging beam 1, splint 2, sliding groove 200, lifting ring 3, screw block 4, mounting plate 5, sliding hole 500, fixing rod 6, spring 7, pulley 8, screw 9, rotating handle 10, sleeve 11 , hook 12, locking strip 13, chain 14.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in the figure, a crane safety balance spreader with stable operation includes a lifting beam 1, a balance adjustment mechanism and a set of hook mechanisms.

The balance adjustment mechanism includes two oppositely arranged splints 2, the upper ends of the two splints 2 are fixedly connected, and the upper ends of the two splints 2 are provided with a lifting ring 3, and an accommodation space is formed between the middle and lower parts of the two splints 2. The accommodation space A screw block 4 and a mounting plate 5 are arranged up and down inside, the screw block 4 is slidingly matched with the two plywood 2 up and down, the mounting plate 5 is fixedly connected with the two plywood 2, the upper end of the mounting plate 5 is provided with a sliding hole 500, and the sliding hole 500 is slidingly matched For the fixing rod 6, a spring 7 is arranged between the bottom of the fixing rod 6 and the bottom of the sliding hole 500, and the upper end of the fixing rod 6 extends out of the sliding hole 500 and a pulley 8 is arranged. The hoisting beam 1 is rotatably connected to the screw 9 parallel to the hoisting beam 1, the end of the screw 9 is provided with a rotating handle 10, the hoisting beam 1 and the screw 9 are inserted into the accommodation space formed by the two plywood 2, and the screw 9 is connected to the screw. The block 4 is screwed together, and the hanging beam 1 is located between the screw block 4 and the pulley 8 , and the pulley 8 is in rolling fit with the hanging beam 1 . Specifically, the inner sides of the two splints 2 are provided with sliding fitting grooves 200 that match the shape of the screw block 4 . . A casing 11 is sandwiched between the upper ends of the two clamping plates 2 , the two clamping plates 2 and the casing 11 are fixed by bolts, and the lifting ring 3 is arranged on the casing 11 . The pulley 8 is a conventional wheel structure with a wheel frame, and the wheel frame is directly fixed on the fixing rod 6 . The screw block 4 is a rectangular parallelepiped structure, and the sliding fitting groove 200 is also a rectangular parallelepiped groove. The bottom of the hanging beam 1 is fixedly connected to a wheel rail 15 that matches the shape of the pulley 8 , and the pulley 8 is in rolling fit with the wheel rail 15 . Both ends of the screw rod 9 are rotatably mounted on the hanging beam 1 through a small bearing seat, and one end of the screw rod 9 protrudes from the bearing seat and is fixed to the rotating handle 10 .

The hook mechanism includes four hooks 12 . The four hooks 12 are arranged at two ends of the hanging beam 1 , and locking strips 13 are arranged on the hooks 12 . Specifically, the locking bar 13 is a conventional hook locking piece, which is hinged to the opening of the hook 12 through a rotating shaft, and a torsion spring is arranged on the rotating shaft, so that the locking bar 13 can automatically reset after being opened. The hook 12 is connected to the hanging beam 1 by a chain 14 provided.

When adjusting the balance, manually rotate the rotary handle 10, the rotary handle 10 drives the screw 9 to rotate, the screw 9 drives the screw block 4 to traverse on the screw 9, and the screw block 4 drives the entire balance adjustment mechanism to traverse. 1 rolls up to make the balance adjustment mechanism work more smoothly. When the lifted heavy object shakes, the spring 7 in the balance adjustment mechanism can play the role of shock absorption. The principle is that the heavy object acts on the hanging beam 1 to make the hanging beam 1 is deformed, and the elastic force generated by the deformation is transmitted to the spring 7 through the pulley 8 and absorbed by the spring 7 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (6)

1. A crane safety balance lifting appliance with stable work is characterized by comprising a lifting beam (1), a balance adjusting mechanism and a group of lifting hook mechanisms, wherein the balance adjusting mechanism comprises a left clamping plate (2) and a right clamping plate (2) which are oppositely arranged, the upper ends of the two clamping plates (2) are fixedly connected, the upper ends of the two clamping plates (2) are provided with lifting rings (3), an accommodating space is formed between the middle lower parts of the two clamping plates (2), a screw block (4) and a mounting plate (5) are arranged in the accommodating space from top to bottom, the screw block (4) is in up-and-down sliding fit with the two clamping plates (2), the mounting plate (5) is fixedly connected with the two clamping plates (2), a sliding hole (500) is formed in the upper end of the mounting plate (5), a fixing rod (6) is in sliding fit with the sliding hole (500), a spring (7) is arranged between the bottom of the fixing rod (6) and the bottom of the sliding hole (500), and the upper end of the fixing rod (6) extends out of the sliding hole (500) and is provided with a pulley (8); the screw rod (9) which is parallel to the hanging beam (1) is rotatably connected to the hanging beam (1), the end portion of the screw rod (9) is provided with a rotating handle (10), the hanging beam (1) and the screw rod (9) penetrate through an accommodating space formed by the two clamping plates (2), the screw rod (9) is in threaded connection with the screw block (4), the hanging beam (1) is located between the screw block (4) and the pulley (8), and the pulley (8) is in rolling fit with the hanging beam (1).

2. The crane safety balance lifting appliance with stable work according to claim 1, characterized in that the inner sides of the two clamping plates (2) are provided with a sliding fit groove (200) matched with the shape of the screw block (4), two sides of the screw block (4) are in sliding fit with the sliding fit groove (200), and the screw block (4) is blocked and connected with the inner wall of the top end of the sliding fit groove (200).

3. The crane safety balance lifting appliance with stable work according to claim 1, characterized in that a sleeve (11) is clamped between the upper ends of the two clamping plates (2), the two clamping plates (2) and the sleeve (11) are fixed through bolts, and the lifting ring (3) is arranged on the sleeve (11).

4. A crane safety balance spreader with stable operation according to claim 1, wherein the lifting hook mechanism comprises four lifting hooks (12), and the four lifting hooks (12) are respectively arranged at two ends of the lifting beam (1).

5. A operationally stable crane safety balancing sling according to claim 4, characterized in that the hook (12) is provided with a locking strip (13).

6. A crane safety-balanced spreader with stable operation according to claim 4, characterised in that the lifting hook (12) is connected to the lifting beam (1) by means of a chain (14) arranged.

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