CN102701084A

CN102701084A - Crane with good stability

Info

Publication number: CN102701084A
Application number: CN2012102124955A
Authority: CN
Inventors: 任会江; 蔡迎新; 洪亮; 林浩; 靳思德; 赵武生
Original assignee: Henan Xinxiang Mine Crane Co Ltd
Current assignee: Henan Xinxiang Mine Crane Co Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2012-10-03
Anticipated expiration: 2032-06-26
Also published as: CN102701084B

Abstract

The invention discloses a crane with good stability. The crane comprises a main beam, wherein a trolley is movably arranged on the main beam; the trolley comprises a trolley frame; a lifting appliance is arranged under the trolley frame in a lifting manner; the lifting appliance comprises a beam, and a movable pulley is arranged on the upper part of the beam; the lifting appliance is arranged on the trolley frame in a lifting manner through a steel wire rope wound on the movable pulley and a rotary drum arranged on the trolley frame; rotary shafts are arranged on the end surface parts of the two ends of the beam and are vertical to large guide wheels in the extending direction of the beam; rotary shafts are arranged on the two end parts at the two sides of the beam and are in parallel with small guide wheels in the extending direction of the beam; a guiding frame is fixed on the lower part of the trolley frame; the guiding frame is provided with a guide rail pair and limit guide rails at two ends of the beam; the two guide rails of the guide rail pair are respectively in rolling and limit fit with the small guide wheels at the two sides of the corresponding end of the beam; and the limit guide rails are respectively in rolling and limit fit with the large guide wheels at the corresponding end of the beam.

Description

The hoisting crane of good stability

Technical field

The present invention relates to a kind of hoisting crane, relate in particular to a kind of hoisting crane that is used in the good stability of field of metallurgy.

Background technology

The field of application of hoisting crane is very extensive, and hoisting crane generally all comprises girder, moves on the girder and is provided with dolly; Dolly comprises trolley frame; The below of trolley frame is hung and is provided with suspender, and general suspender all hangs through steel rope and is located on the trolley frame, in the moving process of dolly; Suspender can inevitably wave together with goods, has a strong impact on the serviceability of hoisting crane.In order to guarantee the stability of suspender, people are provided with antirolling apparatus on hoisting crane, and shown in Fig. 1 is the structural representation of a kind of representative type antihunting steel cable winding system of the prior art.This structure is through the effect of contraction of steel rope; Making single-piece shake reduces; Made positive contribution for reducing shaking of hoisting crane; But this kind steel rope canoe can only reduce the oscillating quantity of suspender bottom, and can not realize does not fully have swing, finally can't avoid the swing of crane hanger fully.Accurate location for the suspender of realizing hoisting crane; People have invented rigidity guide pillar structure as shown in Figure 2; This kind structure has realized the accurate location between crane hanger and the trolley frame through mechanical system; It is applied on the hoisting crane can solve the problem that suspender waves fully, but this kind version can only under the lower situation of lifting altitude, use, can't use like the lifting altitude higher position.

Flourish along with China's steel industry; The hoisting crane technology is also in continuous progress; Hoisting crane will be in the more conglomerate of back place in operation gradually, in order to the working strength that alleviates personnel and increase work efficiency, this just will inevitably be to the higher requirement of stability proposition of hoisting crane.

In particular for the husky reinforced special purpose crane of heat roasting; Because the requirement of automatic material taking, auto feed, self-return, can accurate positioning with regard to the suspender of inevitable requirement hoisting crane, so that realize truly unattended; Reduction personnel's Occupation coefficient is increased work efficiency.But the setting accuracy of suspender of the prior art is not high.

Summary of the invention

The purpose of this invention is to provide a kind of in the lifting process hoisting crane of high, the good stability of the setting accuracy of suspender.

In order to realize above purpose, the present invention adopts following technical scheme: a kind of hoisting crane of good stability comprises girder; Move on the girder and be provided with dolly; Said dolly comprises trolley frame, and the below of trolley frame is hung and is provided with suspender, and said suspender comprises crossbeam; The top of crossbeam is provided with movable pulley; Said suspender hangs through the steel rope of winding on the reel that is provided with on said movable pulley and the trolley frame and is located on the trolley frame, and the end face area at crossbeam two ends is provided with the big guide wheel of rotating shaft perpendicular to the crossbeam bearing of trend, and the both sides of crossbeam are provided with the little guide wheel of shaft parallel in the crossbeam bearing of trend in both ends; The bottom of trolley frame is set with guide frame; Said guide frame all have in place, the two ends of crossbeam guide rail to and limit guide rail, two right guide rails of said guide rail roll spacing the cooperation with the little guide wheel of crossbeam corresponding end both sides respectively, said limit guide rail is rolled spacing the cooperation with the big guide rail of crossbeam corresponding end setting respectively.

Described guide frame is square tubular framework, and said suspender is in the guide frame, and said guide rail is to all being arranged on the medial surface of guide frame with limit guide rail.

Described guide frame fixedly is assemblied on the trolley frame through the flange that is provided with at an upper portion thereof.

The two ends of the crossbeam of suspender of the present invention are provided with big guide wheel and little guide wheel; Be arranged on two right guide rails of the guide rail of guide frame of bottom of trolley frame and guaranteed the location of suspender on a direction of horizontal surface with the spacing failure-free that cooperates between the little guide wheel; The limit guide rail that is in place, crossbeam two ends respectively of guide frame has reliably guaranteed the location of suspender on another direction of horizontal surface respectively at the cooperation of the rolling between the big guide wheel at crossbeam two ends; In the lifting process, suspender has obtained good location, can not produce and wave; Realized the accurate location of suspender, the good stability of suspender.

Guide frame of the present invention is square tubular framework, the good integrity of whole guide frame, and rigidity is big, and is not yielding.

Description of drawings

Fig. 1 is the structural representation of steel rope anti roll device of the prior art;

Fig. 2 is the structural representation of rigidity guide pillar of the prior art;

Fig. 3 is the structural representation of the dolly of embodiment of the invention hoisting crane;

Fig. 4 is the left view of Fig. 3;

Fig. 5 is the birds-eye view of Fig. 3;

Fig. 6 is the assembling scheme drawing of guide frame and suspender among Fig. 3;

Fig. 7 is the birds-eye view after Fig. 6 removes flange;

Fig. 8 is the partial enlarged drawing at A place among Fig. 7

Fig. 9 is the structural representation of the guide frame among Fig. 6;

Figure 10 is the left view of Fig. 9;

Figure 11 is the structural representation after Fig. 9 removes flange;

Figure 12 is the structural representation of the suspender among Fig. 6;

Figure 13 is the left view of Figure 12;

Figure 14 is the birds-eye view of Figure 12.

The specific embodiment

A kind of embodiment of hoisting crane of good stability, in Fig. 3 ~ 14, the dolly that moves setting on the girder of this hoisting crane is like Fig. 3,4, shown in 5; The below of the trolley frame 1 of dolly is hung and is provided with suspender 3; Suspender 3 has a crossbeam 4, and crossbeam 4 is horizontally installed on the below of trolley frame 1, and the top of crossbeam 4 is rotated and is provided with movable pulley 10; Be arranged with steel rope between the fixed pulley that is provided with on this movable pulley 10 and the trolley frame 1, the steel rope here hangs suspender the below that is located at trolley frame 1.All be to realize bonded assembly between the two basically between the suspender of hoisting crane and the trolley frame, be not described in detail in this through the steel rope of winding between the reel of the movable pulley of suspender and trolley frame.

The outer peripheral face that the both ends of crossbeam 4 are provided with 8, two big guide wheels 8 of big guide wheel protrudes the end face with the corresponding end of crossbeam 4 respectively, and the axially parallel of two big guide wheels 8 is all perpendicular to the bearing of trend of crossbeam.Be provided with little guide wheel 9 in the both sides of crossbeam 4, little guide wheel 9 always has eight, and wherein four are in crossbeam 4 one end places, and other four are in crossbeam 4 other end places, and, four sides that are in crossbeam 4 wherein, in addition, four other sides that are in crossbeam 4.The axis of each little guide wheel 9 is all parallel and be parallel to the bearing of trend of crossbeam 4.Be in crossbeam 4 one ends and be in two little guide wheels 9 of crossbeam the same side and a top that is in crossbeam 4, another is in the bottom of crossbeam 4.

Be arranged with guide frame 2 in the outside of suspender 3, the guide frame 2 here be square tubular framework, that is to say that this guide frame 2 is the square hollow structures that surrounded by several kinds of shaped steel, on the lateral surface of guide frame 2, be equipped with the angle steel of gaining in strength.The upper end of guide frame 2 is set with flange, and guide frame 2 is fixed on the bottom of trolley frame 1 through the flange that is provided with on it.

Two medial surfaces at the both ends that correspond to crossbeam 4 of guide frame 2 are provided with that to be respectively arranged with pair of guide rails right; Two guide rails 6 that pair of guide rails is right are oppositely arranged respectively and roll spacing the cooperation with four little guide wheels of crossbeam corresponding end; One of them guide rail rolls with two that are in crossbeam one side little guide wheels and cooperates; Another guide rail rolls with two that are in the crossbeam opposite side little guide wheels and cooperates, and two guide rails are to cooperating realization crossbeam spacing on direction on the horizontal surface.

On two medial surfaces at the two ends that correspond to crossbeam 4 of guide frame 2, be respectively arranged with a limit guide rail 7; Two limit guide rail 7 are in two big guide wheels 8 rolling cooperations at crossbeam 4 two ends respectively; Prevent the motion of crossbeam 4 on its bearing of trend, realize crossbeam spacing on another direction on the horizontal surface.Thereby make suspender in the process that rises or descend, any swing can not occur.

Here, big guide wheel cooperate owing to will rolling with spacing track; So its outer peripheral face protrudes the end face with the corresponding end of crossbeam 4 respectively; This is a necessary condition; That is to say that cooperate as long as big guide wheel can roll with spacing track, the outer peripheral face of big guide wheel is also with regard to the end face of protrusion with the corresponding end of crossbeam 4.

The guide rail of the guide wheel centering in the present embodiment is to be formed by the H shaped steel that is weldingly fixed on the guide frame, and limit guide rail is formed by channel-section steel.

Guide frame in the present embodiment is square tubular framework, also can be for other shapes.

Guide frame in the present embodiment is fixed on the trolley frame through flange, also can directly be weldingly fixed on the trolley frame.

Little guide wheel in the present embodiment is eight, also can be four, and at this moment, the guide wheel that is in crossbeam one end just is two both sides that are in crossbeam respectively, one of a side.Certainly, the number of big guide wheel and little guide wheel all only is confined to disclosed number in the present embodiment, and those skilled in the art can change the number of big guide wheel and little guide wheel as required, to satisfy the demand of stable guiding.

Claims

1. the hoisting crane of a good stability; Comprise girder, move on the girder and be provided with dolly that said dolly comprises trolley frame; The below of trolley frame is hung and is provided with suspender; It is characterized in that: said suspender comprises crossbeam, and the top of crossbeam is provided with movable pulley, and said suspender hangs through the steel rope of winding on the reel that is provided with on said movable pulley and the trolley frame and is located on the trolley frame; The end face area at crossbeam two ends is provided with the big guide wheel of rotating shaft perpendicular to the crossbeam bearing of trend; The both sides of crossbeam are provided with the little guide wheel of shaft parallel in the crossbeam bearing of trend in both ends, the bottom of trolley frame is set with guide frame, said guide frame all have in place, the two ends of crossbeam guide rail to and limit guide rail; Two right guide rails of said guide rail roll spacing the cooperation with the little guide wheel of crossbeam corresponding end both sides respectively, and said limit guide rail is rolled spacing the cooperation with the big guide rail of crossbeam corresponding end setting respectively.

2. the hoisting crane of good stability according to claim 1, it is characterized in that: described guide frame is square tubular framework, and said suspender is in the guide frame, said guide rail is to all being arranged on the medial surface of guide frame with limit guide rail.

3. the hoisting crane of good stability according to claim 1 and 2 is characterized in that: described guide frame fixedly is assemblied on the trolley frame through the flange that is provided with at an upper portion thereof.