CN215626287U

CN215626287U - Fixing device of single-beam bridge crane

Info

Publication number: CN215626287U
Application number: CN202120957316.5U
Authority: CN
Inventors: 喻术号; 胡凯敏; 杜红莲
Original assignee: Jiangxi Cranes Machinery General Factory Co ltd
Current assignee: Jiangxi Cranes Machinery General Factory Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-25
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to the field of cranes, in particular to a fixing device of a single-beam bridge crane, which comprises a support frame, wherein the upper end of the support frame is fixedly connected with a cross beam, and the middle part of the bottom surface of the cross beam is connected with an electric trolley in a sliding manner; the electric trolley is characterized in that a lifting rope is fixedly connected to the lower end of the electric trolley, a crane lifting appliance is fixedly connected to the lower end of the lifting rope, a damping device is arranged inside the crane lifting appliance, and the device can effectively reduce damage caused by the crane lifting appliance and objects and meanwhile avoid shaking when the objects move.

Description

Fixing device of single-beam bridge crane

Technical Field

The utility model relates to the field of cranes, in particular to a fixing device of a single-beam bridge crane.

Background

Cranes are commonly used for large object transfers, such as: in factories such as stone and steel, the heavy objects or the workpieces are lifted, transported and transposed, so that the heavy objects or the workpieces are transported to a target point, and the target is transferred.

Material handling machinery, current crane hook are mostly fixed, can't realize the function of buffering to it is too big to appear hoisting article swing when using easily, thereby bumps easily or the danger of unhook, and the hoist bumps easily at the material loading simultaneously and the in-process of unloading, leads to object or hoist to damage easily.

The utility model aims to solve the technical problems in the prior art, and provides a fixing device of a single-beam bridge crane,

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fixing device for a single-beam bridge crane, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fixing device of a single-beam bridge crane comprises a support frame, wherein the upper end of the support frame is fixedly connected with a cross beam, and the middle part of the bottom surface of the cross beam is connected with an electric trolley in a sliding manner;

the lower end of the electric trolley is fixedly connected with a lifting rope, the lower end of the lifting rope is fixedly connected with a crane lifting appliance, and a damping device is arranged inside the crane lifting appliance.

As a further scheme of the utility model: the electric trolley is characterized in that a notch is formed in the electric trolley, limiting rods are arranged on two sides of the notch and are in sliding contact with the electric trolley, a shock pad is arranged in the electric trolley, one end of the shock pad is fixedly connected with a second connecting rod, the second connecting rod is in sliding contact with the electric trolley, and a push rod is fixedly connected to the other end of the second connecting rod.

As a further scheme of the utility model: the inner sides of the upper ends of the levers are in contact with the push rod, and the inner sides of the lower ends of the levers are in contact with the limiting rod.

As a further scheme of the utility model: the crane lifting appliance comprises a connecting block, wherein convex blocks are arranged on two sides of the connecting block, jacks are formed in two sides of the connecting block, a lifting hook is arranged at the lower end of the connecting block, the upper end of the lifting hook is located in the connecting block, the lifting hook is in sliding contact with the connecting block, and a limiting plate is fixedly connected to the upper end of the lifting hook.

As a further scheme of the utility model: damping device includes the dead lever, dead lever one end and lug fixed connection, and dead lever surface sliding connection has the slider, slider one end fixedly connected with spring, the spring other end and lug fixed connection.

As a further scheme of the utility model: the slider upper end is provided with the second bull stick, and the second bull stick middle part rotates and is connected with first connecting rod, and the first connecting rod other end is connected with the lifting hook.

As a still further scheme of the utility model: first draw-in groove has been seted up to lifting hook upper end both sides, is provided with first bull stick among the first draw-in groove, first bull stick both ends and lifting hook fixed connection, first bull stick middle part rotates with first connecting rod to be connected.

Compared with the prior art, the utility model has the beneficial effects that: the device carries out the material loading or when unloading, the lifting hook receives gravity, the lifting hook descends, the first bull stick of lifting hook push rod drives first connecting rod upper end decline, first connecting rod lower extreme removes to both sides promptly, first connecting rod extrudees the spring, the vibration that produces when offsetting lifting hook material loading or unloading through spring force, reduce the damage that lifting hook and object were leaded to by the collision, when ascending connecting block rises to the top and removes, the connecting block gets into among the notch, connecting block extrusion shock pad makes the shock pad rebound, the shock pad drives the push rod through the second connecting rod and rises, the push rod makes the lever rotate around the bracing piece to lever upper end extrusion, lever lower extreme extrusion gag lever post makes the gag lever post get into among the jack spacing block, rock when avoiding the object to remove, the device can reduce the damage that hoist and object lead to effectively, rock when avoiding the object to remove simultaneously.

Drawings

Fig. 1 is a schematic structural view of a fixing device of a single-beam bridge crane.

Fig. 2 is a schematic structural diagram of a crane spreader in a fixing device of a single-beam bridge crane.

Fig. 3 is a schematic structural view of an electric trolley in a fixing device of a single-beam bridge crane.

The device comprises a support frame 1, an electric trolley 2, a crossbeam 3, a lifting rope 4, a connecting block 5, a lug 6, a lifting hook 7, a first clamping groove 8, a first rotating rod 9, a first connecting rod 10, a second rotating rod 11, a fixed rod 12, a spring 13, a sliding block 14, a lever 15, a supporting rod 16, a limiting rod 17, a push rod 18, a second connecting rod 19, a shock pad 20, a notch 21, a limiting plate 22 and a jack 23.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

Example one

Referring to fig. 1-3, in an embodiment of the present invention, a fixing device for a single-beam bridge crane includes a support frame 1, a cross beam 3 is fixedly connected to an upper end of the support frame 1, and an electric trolley 2 is slidably connected to a middle portion of a bottom surface of the cross beam 3;

the lower end of the electric trolley 2 is fixedly connected with a lifting rope 4, the lower end of the lifting rope 4 is fixedly connected with a crane lifting appliance, and a damping device is arranged inside the crane lifting appliance.

Example two

Referring to fig. 1-3, on the basis of the first embodiment, a notch 21 is formed in the electric trolley 2, two sides of the notch 21 are provided with a limiting rod 17, the limiting rod 17 is in sliding contact with the electric trolley 2, a shock pad 20 is arranged in the electric trolley 2, one end of the shock pad 20 is fixedly connected with a second connecting rod 19, the second connecting rod 19 is in sliding contact with the electric trolley 2, and the other end of the second connecting rod 19 is fixedly connected with a push rod 18.

The inner two sides of the electric trolley 2 are provided with levers 15, the middle of each lever 15 is rotatably connected with a support rod 16, each support rod 16 penetrates through each lever 15, two ends of each support rod 16 are fixedly connected with the electric trolley 2, the inner side of the upper end of each lever 15 is in contact with a push rod 18, and the inner side of the lower end of each lever 15 is in contact with a limiting rod 17.

The hoist includes connecting

block

5, and 5 both sides of connecting block are provided with lug 6, and jack 23 has been seted up to 5 both sides of connecting block, and 5 lower extremes of connecting block are provided with lifting

hook

7, and 7 upper ends of lifting hook are located among connecting block 5, lifting

hook

7 and 5 sliding contact of connecting block, 7 upper end fixedly connected with limiting plate 22 of lifting hook.

Damping device includes dead lever 12, and dead lever 12 one end and lug 6 fixed connection, dead lever 12 surface sliding connection have slider 14, and slider 14 one end fixedly connected with spring 13, the spring 13 other end and lug 6 fixed connection.

The upper end of the sliding block 14 is provided with a second rotating rod 11, the middle part of the second rotating rod 11 is rotatably connected with a first connecting rod 10, and the other end of the first connecting rod 10 is connected with the lifting hook 7.

First draw-in groove 8 has been seted up to 7 upper end both sides of lifting hook, is provided with first bull stick 9 among the first draw-in groove 8, and 9 both ends of first bull stick are connected with lifting hook 7 fixed connection, and 9 middle parts of first bull stick are connected with first connecting rod 10 rotation.

The working principle of the utility model is as follows: when the device is used for loading or unloading, the lifting hook 7 is under gravity, the lifting hook 7 descends, a first rotating rod 9 of a push rod of the lifting hook 7 drives the upper end of a first connecting rod 10 to descend, namely the lower end of the first connecting rod 10 moves towards two sides, the first connecting rod 10 extrudes a spring 13, vibration generated when the lifting hook 7 is loaded or unloaded is counteracted through the elastic force of the spring 13, damage caused by collision between the lifting hook 7 and an object is reduced, when an ascending connecting block 5 ascends to the top to move, the connecting block 5 enters a notch 21, the connecting block 5 extrudes a shock pad 20 to enable the shock pad 20 to move upwards, the shock pad 20 drives a push rod 18 to ascend through a second connecting rod 19, the push rod 18 extrudes the upper end of the lever 15 to enable the lever 15 to rotate around a supporting rod 16, the lower end of the lever 15 extrudes a limiting rod 17 to enable the limiting rod 17 to enter a jack 23 to limit the connecting block 5, swinging during object moving is avoided, and the device can effectively reduce damage caused by a crane sling and the object, while avoiding shaking of the object while it is moving.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A fixing device of a single-beam bridge crane comprises a support frame and is characterized in that the upper end of the support frame is fixedly connected with a cross beam, and the middle of the bottom surface of the cross beam is connected with an electric trolley in a sliding manner;

2. The fixing device of a single-beam bridge crane according to claim 1, wherein the electric trolley has a notch therein, limiting rods are disposed on both sides of the notch, the limiting rods are in sliding contact with the electric trolley, a shock pad is disposed in the electric trolley, one end of the shock pad is fixedly connected with a second connecting rod, the second connecting rod is in sliding contact with the electric trolley, and the other end of the second connecting rod is fixedly connected with a push rod.

3. The fixing device of a single-beam bridge crane according to claim 1 or 2, wherein levers are provided at both sides of the inside of the electric trolley, a support rod is rotatably connected to the middle of the lever, the support rod penetrates through the lever, both ends of the support rod are fixedly connected to the electric trolley, the inner side of the upper end of the lever is in contact with the push rod, and the inner side of the lower end of the lever is in contact with the limit rod.

4. The fixing device of the single-beam bridge crane according to claim 1, wherein the crane sling comprises a connecting block, a bump is arranged on each side of the connecting block, a jack is arranged on each side of the connecting block, a lifting hook is arranged at the lower end of the connecting block, the upper end of the lifting hook is arranged in the connecting block, the lifting hook is in sliding contact with the connecting block, and a limiting plate is fixedly connected to the upper end of the lifting hook.

5. The fixing device of claim 1, wherein the damping device comprises a fixing rod, one end of the fixing rod is fixedly connected to the protrusion, a sliding block is slidably connected to an outer surface of the fixing rod, one end of the sliding block is fixedly connected to the spring, and the other end of the spring is fixedly connected to the protrusion.

6. The fixing device of a single-beam bridge crane according to claim 5, wherein the upper end of the sliding block is provided with a second rotating rod, the middle part of the second rotating rod is rotatably connected with a first connecting rod, and the other end of the first connecting rod is connected with the lifting hook.

7. The fixing device of claim 6, wherein the hook has first engaging grooves formed on both sides of an upper end thereof, the first engaging grooves having first rotating rods disposed therein, both ends of the first rotating rods being fixedly connected to the hook, and a middle portion of the first rotating rods being rotatably connected to the first connecting rods.