DD267965B5 - Mobile carrying roller change device - Google Patents

Description

The self-propelled mobile roller bearing replacer is available on all known supporting framework constructions and on all, even difficult to reach places such. As drive and deflection stations and devices with fixed belt conveyors used and can be placed on any upper accessible access point of the belt conveyor. It can negotiate inclines and carry a hanger to accommodate the trolling garlands to be changed as well as replaced trolling garlands.

The mounted on the removable device devices for changing the support roller garlands are pivoted in the transport state in the belt longitudinal direction and collapsed.

embodiment

The invention relates to a mobile carrying roller changing device for replacing the supporting roller garland stations on a permanently installed or retractable belt conveyor. The self-propelled unit can be moved on the upper run of the conveyor and has a swivel lifting device and a double winch system. In working position (Figure 1), the device is supported on the frame of the belt conveyor. At rest, it is pivoted in the belt longitudinal direction and folded profile-free (does not protrude laterally out of the frame) on the upper run of the belt conveyor. The carrying roller changing device has a chassis 1, a frame 2 for the chassis and the superstructures, a hoist 3 and a winch boom 4 with a double winch 5. The hoist 3 has a hinged and rotatably mounted main column on which the telescoping and swiveling box boom, which a pull rope leads, is mounted. The double winch 5 consists of two independent wind drums, which can be operated separately via a drive member by means of circuit. At the location of the support roller change of the winch boom 4 is lifted by means of lifting and rotating device 8, then rotated and discontinued transversely to the conveying direction on the support points 6 on scaffolding frame 7. By continuing to work the lifting device 8 takes a lifting of the front caterpillar (Figure 2) from the conveyor belt 9. The cantilever 18 is folded out by means of hydraulic cylinder 19. To change the upper strand garland 10, the winching cable 11 is attached to the anchor point 12 of the upper strand garland. The winch 5 is operated until the hook of the garland is pulled out of the eye 13 of the frame. By means of hydraulic cylinder 14, the tight pull cable 11 is guided in the direction of Gurtmitte, over the winds 5 decreased, so that the hook can not slide back into the eye 13. The upper strand garland is deposited by lowering the rope 11 on the lower strand.

The winch cable 11 is disengaged from the attachment point 12 of the upper support roll garland, the hoist boom of the hoist 3 is retracted and pivoted by means of pivoting device 16 in the position 15. At the anchor point 17, the traction cable of the hoist 3 is attached and the Obertrumtragrollengirlande 10 is pulled vertically while decreasing the Windenzugseiles 11 until the winch cable can be solved. Thereafter, the upper support roll garland is completely pulled out of the belt conveyor and stored on a likewise carried on the belt carriage, on which are also the new garlands. The change of the lower support roll garland takes place in analogous order.

The new garlands are installed in reverse order. The chassis (Figure 2) consists of caterpillars, with which it moves on the conveyor belt. To drive an internal combustion engine is preferably used, which also operates the pump of the hydraulic system.

List of used reference numbers

1 - Suspension

2 frames

3 - Hoist

4 - winch boom

5 - double winds

6 - support point

7 - Scaffolding

8 - lifting and turning device

9 - conveyor belt

10 - Upper garland

11 - winch rope

12 point of attack

13 - eyelet

14 hydraulic cylinders

15 - position

16 - swivel device

17 - anchor point

18 - cantilever

19 - hydraulic cylinder

Claims (2)

Claim: Mobile carrying roller changing device for replacing Tragrollengirlandenstationen in the upper and lower run of a belt conveyor, characterized in that one with a chassis (1) equipped basic unit, which is supported in working position on the frame of the belt conveyor and a vertically and horizontally pivoting hoist (3) and a has double wind turbine (5), can be moved and pivoted in the rest position in the belt longitudinal direction, folded on the conveyor belt is located. For this 2 pages drawings Field of application of the invention The invention relates to a mobile carrier roller changing device for replacing Tragrollengirlandenstationen in the upper and lower strand during the standstill of belt conveyors. Characteristic of the known state of the art Developments have been made to construct carrying roller change devices which have rail bogies which allow the device to move on the back rails of the belt conveyor. There are fixtures for lifting and lowering the garland, as well as a gutter for storing and picking up the old and the new carrying garland stations. This channel is pushed transversely to the Fördernchtung in the belt conveyor under the to be changed Tragrollengirlande. These variants have the disadvantage that they have a large and therefore heavy construction, which extends from the rear rail to the belt conveyor. The mobility is poor because the back rails are not usually aligned and the radius of action is limited by the also movable on the return rails receiving and Abwurfwagen. Another variant is the mobility of a maintenance trolley on the frame of the belt conveyor. However, there is also the disadvantage that the scaffolding fields are not aligned straight and no continuous connection of the spars of the scaffolding fields exists, so thus the maintenance car is difficult to move. Are also known mobile Tragrollenwechselgerate consisting of an off-road truck as a basic unit and a special loading crane and a winch. Drive and control of crane and winch are usually done by hydraulic system. The loading area of the truck serves to transport the carrying roller stations. The changing of the carrying roller stations takes place with the belt conveyor system unlocked. Despite the robust and all-terrain design of the basic unit, the use depends on the soil conditions. Not at all points of the belt conveyor is the use possible. At these points, then the replacement of the Tragrollengirlandenstationen must be performed manually in physically difficult work. The devices known from the patent specifications DE 2 917 338, DE 1 756 158 and DE 2 342 000, DE 2 163 726 for changing supporting scroll garlands by means of a movable on the support frame of the belt conveyor changing device can not on each support structure and at each point of a belt conveyor, whether fixed or retractable or on devices such. B belt carriage, conveyor bridges, spreaders, etc., is attached, can be used. This disadvantage is especially true for devices that work outside the belt conveyor auxiliary device such. As those of DE-OS 2,342,000 and DE-OS 2,163,726 need. Object of the invention It is the object of the invention to develop a mobile support roller changing device in lightweight construction, which can be used at all points of the belt conveyor and avoids the heavy physical labor of replacing the support roller garland at the otherwise inaccessible places. Explanation of the essence of the invention The invention has for its object to provide a mobile support roller changing device for replacing Tragrollengirlandenstationen in the upper and lower run, which can be used regardless of the return rails and the soil conditions at all points of the belt conveyor. According to the invention the object is achieved in that a support roller changing device, consisting of a basic unit equipped with a chassis, which is supported in working position on the belt frame and having a vertically and horizontally pivotable boom and a double winch system. The device should be dimensioned so that it can be moved on the conveyor belt and is in the idle state without profile above the conveyor.