CN209957239U - Lifting appliance for portal crane - Google Patents

Abstract

The utility model discloses a lifting appliance for a portal crane, which comprises a lifting rod, wherein one end of the lifting rod is connected with a lifting rope, the bottom end of the lifting rope is connected with a first connecting plate, the middle of the bottom end side wall of the first connecting plate is connected with a first steel wire rope, the bottom end side wall of the first steel wire rope is connected with a first hook, two ends of the first connecting plate are respectively provided with a symmetrically arranged groove, the top end side wall of the groove is slidingly connected with a sliding block, the bottom end side wall of the sliding block is fixedly provided with a second connecting plate, one end of the second connecting plate extends to the outside of the groove and is fixedly provided with a second steel wire rope, one end of the second steel wire rope far away from the second connecting plate is fixedly provided with a second hook, and a limiting plate fixed with the first connecting plate is arranged above the second connecting plate. According to the utility model, the lifting can be carried out through a plurality of hooks at the same time, so that the stability in the lifting process is improved, and the stability of the lifting rope in the lifting process is improved.

Description

A spreader for portal crane

technical field

The utility model relates to the technical field of cranes, in particular to a spreader for a portal crane.

Background technique

When the existing crane is used, the spreader is often used through a single hook, and the stability during the lifting process is poor. For this reason, we propose a spreader for portal cranes.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and propose a spreader for a portal crane.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A spreader for a portal crane includes a boom, one end of the boom is connected with a hanging rope, the bottom end of the hanging rope is connected with a first connecting plate, and the bottom side wall of the first connecting plate is in the middle A first wire rope is connected, the bottom end side wall of the first wire rope is connected with a first hook, both ends of the first connecting plate are provided with symmetrically arranged grooves, and the top side wall of the groove is slidably connected with a slider. A second connecting plate is fixed on the bottom side wall of the slider, one end of the second connecting plate extends to the outside of the groove and a second wire rope is fixed, and one end of the second wire rope away from the second connecting plate is fixed with a second hook. A limiting plate fixed with the first connecting plate is installed above the two connecting plates.

Preferably, the top side wall of the limiting plate is provided with a through hole along the vertical direction, a fixing rod is slidably sleeved inside the through hole, and one end of the fixing rod extends to the outside of the through hole and is fixed with a vertically arranged pulling plate.

Preferably, a return spring is fixed between the pull plate and the inner side wall of the top end of the limit plate, and the pull plate and the limit plate are arranged in parallel.

Preferably, symmetrically arranged reinforcing ropes are fixed on both sides of the top end of the first connecting plate, and the other end of the reinforcing ropes is connected with the hanging rope.

Preferably, an inclined guide plate is fixed on one side wall of the suspension rod, and a guide hole is provided on the top side wall of the guide plate.

Preferably, one end of the suspending rope passes through the guide hole, a plurality of fixing grooves are opened on the top side wall of the second connecting plate along the length direction thereof, and the fixing rod and the fixing groove are clamped.

The beneficial effects of the utility model are:

1: Through the cooperation between the first connecting plate, the second connecting plate, the limit plate, the first hook, the second hook and the fixing rod, it is possible to hoist through multiple hooks at the same time, which improves the hoisting process. stability;

2: The stability of the sling can be improved during the hoisting process through the set guide plate and guide hole;

The utility model can be simultaneously hoisted through a plurality of hooks, which improves the stability during the hoisting process, and can also improve the stability of the suspending rope during the hoisting process.

Description of drawings

1 is a schematic structural diagram of a spreader for a portal crane proposed by the utility model;

Fig. 2 is the enlarged structural schematic diagram of part A of a spreader for portal crane proposed by the utility model;

Fig. 3 is an enlarged structural schematic diagram of part B of a spreader for a portal crane proposed by the utility model.

In the figure: 1 boom, 2 hanging rope, 3 first connecting plate, 4 first wire rope, 5 first hook, 6 groove, 7 sliding block, 8 second connecting plate, 9 second hook, 10 limit plate , 11 fixed rod, 12 pull plate, 13 return spring, 14 fixed groove, 15 reinforcement rope, 16 guide plate, 17 guide hole.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the 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 referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Referring to Figures 1-3, a spreader for a gantry crane includes a boom 1, one end of the boom 1 is connected with a suspending rope 2, and the bottom end of the suspending rope 2 is connected with a first connecting plate 3, the first A first wire rope 4 is connected in the middle of the bottom end side wall of the connecting plate 3, a first hook 5 is connected to the bottom end side wall of the first wire rope 4, and both ends of the first connecting plate 3 are provided with symmetrically arranged grooves 6. , the top side wall of the groove 6 is slidably connected with a slider 7, the bottom side wall of the slider 7 is fixed with a second connecting plate 8, and one end of the second connecting plate 8 extends to the outside of the groove 6 and is fixed with a second wire rope, A second hook 9 is fixed at one end of the second wire rope away from the second connecting plate 8 , and a limiting plate 10 fixed to the first connecting plate 3 is installed above the second connecting plate 8 .

The top side wall of the limit plate 10 is provided with a through hole along the vertical direction, and a fixing rod 11 is slidably sleeved inside the through hole. A return spring 13 is fixed between the top and inner side walls of the limiting plate 10 , and the pull plate 12 and the limiting plate 10 are arranged in parallel, and symmetrically arranged reinforcing ropes 15 are fixed on both sides of the top of the first connecting plate 3 , and are reinforced The other end of the rope 15 is connected to the suspending rope 2 , a guide plate 16 inclinedly arranged is fixed on one side wall of the suspending rod 1 , a guide hole 17 is opened on the top side wall of the guide plate 16 , and one end of the suspending rope 2 passes through the guide hole 17. The top side wall of the second connecting plate 8 is provided with a plurality of fixing grooves 14 along its length direction, and the fixing rods 11 and the fixing grooves 14 are clamped and arranged.

Working principle: when in use, pull the pull plate 12, the pull plate 12 drives the fixed rod 11 to move, so that the fixed rod 11 is separated from the fixed groove 14, and then moves the second connecting plate 8, the second connecting plate 8 drives the second hook 9 to move, adjust the hanging position of the second hook 9, after adjusting to the desired position, release the pull plate 12, under the elastic force of the return spring 13, the fixing rod 11 and the fixing groove 14 are clamped and set, and the second hook 9 The position is fixed, and then the first hook 5 and the second hook 9 are used to suspend the article, and finally the suspending rope 2 is pulled through the driving mechanism of the crane, and the suspending rope 2 drives the first connecting plate 3, and the first connecting plate 3 drives the article to move. The design is simple and fast, and can be hoisted through multiple hooks at the same time, which improves the stability during the hoisting process, and can also improve the stability of the suspending rope during the hoisting process.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A spreader for a portal crane, comprising a boom, characterized in that one end of the boom is connected with a suspending rope, and the bottom end of the suspending rope is connected with a first connecting plate, and the end of the first connecting plate is A first wire rope is connected in the middle of the bottom end side wall, and a first hook is connected to the bottom end side wall of the first wire rope. Both ends of the first connecting plate are provided with symmetrically arranged grooves, and the top side walls of the grooves are provided with grooves. A sliding block is slidably connected, a second connecting plate is fixed on the bottom side wall of the sliding block, one end of the second connecting plate extends to the outside of the groove and a second wire rope is fixed, and one end of the second wire rope away from the second connecting plate is fixed with a second wire rope. Two hooks, a limiting plate fixed with the first connecting plate is installed above the second connecting plate. 2 . The sling for a portal crane according to claim 1 , wherein the top side wall of the limiting plate is provided with a through hole along the vertical direction, and the inside of the through hole is slidably sleeved with a fixing device. 3 . a rod, and one end of the fixing rod extends to the outside of the through hole and is fixed with a vertically arranged pull plate. 3 . The sling for portal crane according to claim 2 , wherein a return spring is fixed between the pull plate and the inner side wall of the top end of the limit plate, and the pull plate is connected to the limit plate. 4 . The plates are arranged in parallel. 4 . The sling for a gantry crane according to claim 1 , wherein symmetrically arranged reinforcing ropes are fixed on both sides of the top of the first connecting plate, and the other end of the reinforcing rope is connected to the Sling connection. 5 . The sling for a portal crane according to claim 1 , wherein an inclined guide plate is fixed on one side wall of the boom, and a top side wall of the guide plate is provided with a slanted guide plate. 6 . guide hole. 6 . The sling for a portal crane according to claim 1 , wherein one end of the suspending rope passes through the guide hole, and the top side wall of the second connecting plate is along its length direction. 7 . A plurality of fixing grooves are opened, and the fixing rods and the fixing grooves are clamped and arranged.

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