CN2317214Y - Pull-type fully automatic core-adjusting idler device - Google Patents

Abstract

The utility model relates to a pull-type fully automatic core-adjusting idler device, belonging to an adjusting device in a belt conveying device. The utility model is composed of a support frame, an idler unit, and a pull device. The utility model is characterized in that the pull device is formed by that the upper ends of a vertical roll and a rocker are fastened, the lower end of the rocker is fastened on a left and a right rotating disks, a middle rotating disk is connected and fixed with a cross beam in the idler unit, the three rotating disk are connected and fixed by flexible pull wires, and an idler which is arranged on the idler unit is composed of two idlers. The utility model has the advantages of flexible rotation, no blocking phenomenon, simple structure, and low cost.

Description

Towed full automaticity aligning carrier roller device

The utility model relates to rubber conveyor, belongs to the travelling apron deviation correcting device.

At present; its the maximum problem of travelling apron that is widely used in the departments such as mine, metallurgy, coal, electronics is load-transfer device " sideslip " phenomenon; it seriously influences high-quality, efficient, safe transport material; often in order to prevent serious consequences such as discharging that " sideslip " cause, damage machine; increased facilities such as auto alarm or auto-stop, adjusted the waste that causes on the human and material resources and shut down.Utility model " the two-way self-centering idler of the link-type " (patent No.: ZL90204295.5), " the tooth-like automatic deviation correction driving device of belt conveyor " (patent No. ZL96231144.8) " full automaticity load-transfer device aligning carrier roller " (patent No.: ZL96231 369.6) rectifies a deviation by type of drive such as bar, gears during to load-transfer device " sideslip ", but all there is a problem, because above-mentioned type of drive all is the rigidity transmission, and resistance is bigger, frictionally damage in the use makes the ingear deviation increasing, and often producing the stuck phenomenon of being obstructed can't rectify a deviation.

The purpose of this utility model provides the full automaticity aligning carrier roller of a kind of automatic compensation " sideslip ", has automatically regulating sensitivity, reliable, can not produce stuck phenomenon in long-time running.

The technical solution of the utility model is, it is by support, the carrying roller group, trailer coupling is formed, and it is characterized in that right edger roll in the trailer coupling is fastened on the top of right rocking bar, and the lower end of right rocking bar is fastened on the right-hand rotation dish, left side edger roll is fastened on the top of left rocking bar, and the lower end of left rocking bar is fastened on the left-hand rotation dish, and the crossbeam in turntable and the carrying roller group is fastening, the right-hand rotation dish, turntable, left-hand rotation dish all are fastened on the chassis, at the right-hand rotation dish, turntable, the both sides of left-hand rotation dish are fastenedly connected with the flexible drawing line.

A left side, right edger roll is placed on the both sides of load-transfer device, when the belt right sideslip, (press the load-transfer device working direction), load-transfer device is near right edger roll, and edger roll has a thrust to the right, makes angle of right edger roll left-hand revolution, and drives angle of right rocking bar left-hand revolution, right rocking bar lower end drives the right-hand rotation dish, make the right-hand rotation dish also rotate counterclockwise an angle, because the rotation of right-hand rotation dish, by affecting of flexible drawing line, make turntable, the left-hand rotation dish also rotates counterclockwise an angle synchronously, because turntable and carrying roller group are fastenedly connected, makes whole supporting-point roller group integral body also rotate counterclockwise an angle, because being plural carrying roller, the carrying roller in the carrying roller group forms, so during right sideslip, the carrying roller velocity of rotation on the right is big, stressed big, resistance is also big, and the traction load-transfer device leads to the operational centre, makes the conveyer belt operation of rehabilitation center position gradually.Corrected right deviation phenomenon, if load-transfer device left during sideslip, edger roll forms thrust left, and same principle can make load-transfer device move to the center, corrects left deviation phenomenon.Because adopt independent draw gear, it is simple in structure, flexible movements, three rotating discs particularly, adopt associated sealing arrangement for bearings, be difficult for being blocked, adopt three rotating disks of flexible drawing line interlock by dust, when rotating disk rotates, secund flexible drawing line is strained to the rigid of transmission tractive force, so, only form unidirectional rotational force distance, the flexible drawing line of another side is in flexible state, does not have the ingear wear phenomenon in the transmission.So such transmission all is not the rod-type transmission of rigidity because of both sides, the transmission of toothed-chain type is stuck because of abrasion can form a dead angle degree, so, rotate quite flexible.The flexible drawing line can be used steel wire, and high-strength nylon line or other high intensity line can adopt different flexible drawing lines in different occasions like this.Whole device it manufacture, adjust, assemble, change all more convenient, easy.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the front elevation of towed full automaticity aligning carrier roller device.

Fig. 2 is the upward view of towed full automaticity levelling support roller device.

Fig. 3 is the left side view of towed full automaticity aligning carrier roller device.

Referring to Fig. 1, Fig. 2 at its both sides welding upper bracket (2), goes up chassis (1) with the fastening angle steel of bolt (4) (3) at both sides support (2), has three holes to install left-hand rotation dish (35) respectively, right-hand rotation dish (33) on chassis (1).Turntable (34), turntable (34) is by bearing seat (12) the inside bearing (13) to be housed, spacer ring (14), and bearing cap shim (16) and fastening with bolt (15) and chassis (1), axle (8) is housed in the centre of bearing (13), one end of axle (8) and square plate (17) and crossbeam (9) welding, the other end at axle (8) is connected with rotating disk (10) with key, and it is fastening with nut (11), on rotating disk (10) both sides, porose and threaded two the silk cards of an end (26) in the middle of being equipped with, the structure of left-hand rotation dish (35) is that bearing seat (19) is contained in the left hole on chassis (1), the inside dress bearing (22), load onto axle bed lid (18), and solid with bolt (23) dress, in the middle of bearing (22), load onto axle (20), fastening in an end and left rocking bar (36) lower end of axle (20).In the upper end of left rocking bar (36) edger roll (37) is housed.The other end at axle (20) connects rotating disk (21) with key, and fastening with nut, loads onto two silk cards (24) at rotating disk (21).Equally, the structure of right-hand rotation dish (33) is identical with the structure of left-hand rotation dish (36).Referring to Fig. 2, flexible drawing line (25) is used steel wire strand here, is passed in left-hand rotation dish (36), turntable (34), and the hole in each the rotating disk both sides silk card in the right-hand rotation dish (33), tension is also fastening with nut.

The structure of carrying roller group (referring to Fig. 1) is welded last left and right two pillars (5-1) on crossbeam (9), (5-2), and at centre welding pillar (7).Pillar adopts the band steel material, pillar (7) curves inverted U-shaped, all has groove on each pillar, and roller can be installed, here the roller (6-1), (6-2) that adopt two symmetries to install, roller (6-1), (6-2) on the load-transfer device in-plane all symmetry upwarp an equal angular and be about about 4 degree.Whole carrying roller group is formed one.Roller can be two (do snub pulley with) or the split of (do upper supporting roller with) more than two, and this spline structure can make whole rollers rotate on level (transporting flat) direction, can make each autorotation of each roller again, or not rotate, forward or reverse rotation.Make whole roller correct sideslip along carrying zone face to rotate a traction angle guiding in the horizontal direction neatly like this, all rollers are rolled with different rotating speeds, got rid of the face friction drag that all rollers contact with load-transfer device, special two rollers upwarp an angle and have more such function, make aligning flexible, rectifying effect is obvious.

The connection structure of left side edger roll (37) and rocking bar (36) is referring to Fig. 3, left side edger roll (37) has 2 and is installed on the edger roll seat (32), edger roll axle (30) in the right edger roll passes edger roll seat (32), and fixing with nut (28), with bolt (29) and nut that left rocking bar (36) is fastening in the middle of edger roll seat (32).Equally, right rocking bar (26) is identical with left side structure with right edger roll (27) bonded assembly structure.Adopt the device of two edger rolls, mainly make and be subjected to the bigger resistance that produces because of sideslip on the edger roll.

Comprehensively above-mentioned, the utlity model has simple in structure, manufacturing, installation, easy to adjust, cost is low.In operational process, rotate flexibly, first stuck phenomenon, correction sideslip effect is obvious, and reliability improves, and applicability can be used under various harsies environment and condition by force.

Claims (4)

1, a kind of towed full automaticity aligning carrier roller device, it is made up of support, carrying roller group, trailer coupling, it is characterized in that right edger roll (27) in the trailer coupling is fastened on the top of right rocking bar (31), the lower end of right rocking bar (31) is fastened on the right-hand rotation dish (33), left side edger roll (37) is fastened on the top of left rocking bar (36), the lower end of left side rocking bar (36) is fastened on the left-hand rotation dish (35), turntable (34) is fastening with the crossbeam (9) in the carrying roller group, is fastenedly connected with flexible drawing line (25) in the both sides of right-hand rotation dish (33), turntable (34), left-hand rotation dish (35).

2, according to the described towed full automaticity aligning carrier roller device of claim 1, it is fixed on the crossbeam (9) by pillar (5-1), (5-2), (7) to it is characterized in that the carrying roller group, two rollers (6-1), (6-2) are contained on the pillar, form a carrying roller group integral body, two rollers (6-1) (6-2) upwarp an equal angular in load-transfer device in-plane symmetry.

3, towed full automaticity aligning carrier roller device according to claim 1 is characterized in that right edger roll (27) and its quantity of left edger roll (37) all are 2.

4, towed full automaticity aligning carrier roller device according to claim 1 is characterized in that flexible drawing line (25) is steel wire or high-strength nylon line.

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