CN213834386U - Portable carrier roller changer of steel wire rope core belt conveyor - Google Patents

Abstract

The utility model discloses a portable bearing roller replacer of wire rope core belt conveyor relates to the bearing roller of wire rope core belt conveyor and changes the field. The utility model discloses include embracing formula fixed platform, jack beam, embracing formula fixed platform includes triangle-shaped fixer and jack platform, the jack platform is fixed in the triangle-shaped fixer outside, demountable installation has the jack on the jack platform, the jack top is opened there is U type groove, jack beam lower surface has cylindrical protruding axle with long limit vertical direction welding, the U type groove phase-match at cylindrical protruding axle and jack top. The utility model discloses simple structure, the installation is dismantled all conveniently, is applicable to change, maintains bearing roller about the belt, lightly easily carries simultaneously, promotes work efficiency, has practiced thrift manpower and materials.

Description

Portable carrier roller changer of steel wire rope core belt conveyor

Technical Field

The utility model relates to a field is changed to wire rope core belt conveyor's bearing roller specifically is a portable bearing roller is changed ware of wire rope core belt conveyor.

Background

When carrying out the operation of changing upper and lower bearing roller at present, the operation that needs to carry out is as follows: preparing a new carrier roller, beating down for emergency stop protection, selecting a lifting point, threading a rope fastener, fixedly hanging 2 lifting chains of 1t above the carrier roller by using the rope fastener, transversely hanging a belt by using a round beam with more than 2 meters welded with lifting lugs, and replacing the carrier roller. The whole process needs more than 20 minutes, and at least 3 people are needed to complete the process. The suitable lifting point is required to be searched above the carrier roller in the operation process, if the lifting point is not available, the lower carrier roller needs to be replaced, the lower carrier is required to be detached, the operation personnel is required to be completed in a narrow space, the operation personnel has to lie on the ground full of coal slime for replacement, the safety is difficult to guarantee, and the working environment is poor. Whole in-process, change the change instrument that the bearing roller needs, like chain sling, crossbeam, rope fastening etc. require personnel to carry and exceed 30kg, advance in 2000 ~ 3000 meters tunnels of every belt, the manpower that the transport consumes is big, and carries the current safe risk that exists of overlength material in the tunnel. In addition, taking a belt team of a same beam mine and a same tower crane transportation area as an example, the belt team manages a total of more than 1 ten thousand meters of steel wire rope belt conveyors in a tower mine area of a tower mine area I, a tower mine area II and a tower mine area III, 33000 upper and lower carrier rollers are provided in total, about 200 upper and lower carrier rollers are replaced every month, the yield is high, and the task is tight. If a belt needs to be changed 5 ~ 10 bearing rollers simultaneously, workman intensity of labour more increases, and overhauls the unable guarantee of progress. The problems that the requirement on the environment is high, the process is complicated, the replacement time is long, the labor environment of workers is poor in intensity, the safety is difficult to guarantee, the lifting span of the cross beam is large, bending damage often occurs, tools need to be replaced at regular time and the like exist. In order to solve the above problems, there is a need to improve the portable carrier roller changer of the existing wire rope core belt conveyor.

Disclosure of Invention

The utility model discloses a solve current bearing roller and change waste time and energy, the numerous and diverse change of process is long, and workman's intensity of labour difference is big, and the shortcoming that is difficult to the assurance of safety provides a portable bearing roller of wire rope core belt conveyor changes ware.

The utility model discloses a realize through following technical scheme: the utility model provides a portable bearing roller more changer of steel wire rope core belt conveyor, includes embracing formula fixed platform, jack-up crossbeam, embracing formula fixed platform includes triangle-shaped fixer and jack-up platform, the jack-up platform is fixed in the triangle-shaped fixer outside, demountable installation has the jack on the jack-up platform, open at the jack top has U type groove, jack-up crossbeam lower surface has cylindrical protruding axle with long limit vertical direction welding, the U type groove phase-match at cylindrical protruding axle and jack top.

The utility model relates to a portable carrier roller changer of a steel wire rope core belt conveyor, which mainly comprises an encircling fixing platform, a jack and a hoisting beam, wherein the encircling fixing platform comprises a triangular fixer and a hoisting platform, the triangular fixer can be detachably fixed on bracket angle steel, the rapid fixing of the whole changer at different positions of the bracket angle steel can be realized through the convenient detachment and installation of the triangular fixer, the quick change of the carrier roller is realized, the inner side of the triangular fixer can be attached to the bracket angle steel, the fixing is stable, the hoisting platform is fixed at the outer side, the plane formed by the hoisting platform is parallel to the bracket angle steel, the jack is used for installing the jack on the hoisting platform and used for lifting a belt, the top of the jack is provided with a U-shaped groove, for reliably supporting the belt, so that a cylindrical convex shaft is welded on the lower surface of the hoisting beam and the vertical direction of a long edge, the cylindrical protruding shaft is matched with the U-shaped groove in shape, so that the cylindrical protruding shaft can be embedded into the U-shaped groove, and the hoisting cross beam can be clamped at the top of the jack. The utility model discloses the specific operation does: opening the triangular fixer to enable the triangular fixer to penetrate through a narrow gap between the carrier roller and the bracket angle steel, attaching the inner side of the triangular fixer to the bracket angle steel, enabling a plane formed by the hoisting platform to be parallel to the bracket angle steel, and locking and fixing the triangular fixer; the lifting jack is lowered to the lowest lifting position, the bottom of the lifting jack is fixed on the lifting platform, the lifting jack, the lifting platform and the triangular fixing device form a stable whole, the cylindrical protruding shaft welded to the lower surface of the lifting beam is embedded into the U-shaped groove in the top of the lifting jack, the lifting jack is started, the upper surface of the lifting beam is attached to a belt to be lifted, the lifting jack is continuously started, the belt is lifted until the belt is lifted away from the carrier roller, and the carrier roller is replaced.

Preferably, the triangular fixer is composed of a support, a fixed plate and a movable plate, the fixed plate is fixedly connected with the support and forms an angle of 45 degrees with the support, one end of the movable plate is hinged with the fixed plate, and the other end of the movable plate is provided with a horizontal part which is connected with the support through bolts.

Preferably, the hoisting platform is welded on the outer surface of the fixing plate, the stress of the hoisting platform is uniform and stable, and the strength is reliable.

Preferably, the jack is a hand jack or an oil jack, and the maximum lifting height of the jack is selected to be matched with the design height of the platform.

Preferably, hoisting beam lower surface and long limit vertical direction parallel welding have two cylindrical protruding axles for the bearing roller of different angles is changed, has the effect of antiskid and inclination jack-up, and is further, cylindrical protruding axle is the bolt.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a portable bearing roller replacer of steel wire rope core belt conveyor, can be applicable to the change, the bearing roller about maintaining the belt, utilize current bearing roller angle steel as the strong point, need not to look for the hoisting point again, and product itself is more light, it reaches 2000 ~ 3000 meters to maintain tunnel head and tail length, one-man one set of tool equipment total weight control of carrying is below 10kg, alleviate workman intensity of labour, the operational environment of workman has been promoted, and change time reduces and is half of current change apparatus, use labour saving and time saving. After the carrier roller changer is used, 12 persons are needed for replacing the carrier rollers every day by four large belts, and 6 persons can be saved after improvement. The method is calculated according to 1 worker per person per day, and 180 workers are saved each month; the coal blocking iron plates, the rubber plates, the manpower and the like can be saved every year. The major non-personal accidents and general personal accidents caused by the replacement of the carrier roller are avoided all the year round, a good working environment is created for workers, and a solid foundation is laid under the production situation of mine safety and stability.

Drawings

Fig. 1 is a front view of an encircling fixed platform.

Fig. 2 is a top view of the encircling fixed platform.

Fig. 3 is a front view of the structure of the present invention.

The figures are labeled as follows: the method comprises the following steps of 1-encircling type fixed platform, 2-hoisting platform, 3-jack, 4-hoisting beam, 5-fixed plate, 6-movable plate, 7-M20 bolt, 8-through hole, 9-support and 10-cylindrical protruding shaft.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

A portable roller changer of a steel wire rope core belt conveyor is shown in figures 1-3: including embracing formula fixed platform 1, jack 3, jack beam 4, embracing formula fixed platform 1 includes triangle-shaped fixer and jack platform 2, the jack platform 2 is fixed in the triangle-shaped fixer outside, demountable installation has jack 3 on the jack platform 2, open at 3 tops of jack has U type groove, jack beam 4 lower surface and long limit vertical direction welding have cylindrical protruding axle 10, the U type groove phase-match at cylindrical protruding axle 10 and 3 tops of jack.

The preferred scheme is adopted in the embodiment: as shown in fig. 1 and 2, the triangular fixer is composed of a support 9, a fixed plate 5 and a movable plate 6, the fixed plate 5 is fixedly connected with the support 9 and forms an angle of 45 degrees with the support, the fixed plate 5 and the support 9 are welded by 8mm steel plates, one end of the movable plate 6 is hinged with the fixed plate 5 and fixed by penetrating an M20 bolt 7, the other end is provided with a horizontal part and connected with the support 9 by a bolt, the horizontal part of the movable plate 6 is provided with two through holes 8, the corresponding support 9 is also provided with 2 through holes, and the movable plate 6 and the support 9 are fixed by two M16 bolts; the hoisting platform 2 is welded on the outer surface of the fixing plate 5; the jack 3 is a hand jack or an oil jack; two cylindrical protruding shafts 10 are welded on the lower surface of the hoisting beam 4 in parallel with the vertical direction of the long edge, and in the embodiment, the cylindrical protruding shafts 10 are bolts.

In this embodiment: as shown in fig. 3, choose 2t hand jack or 3t hydraulic jack for use, jack 3 plays heavy effective height 320mm, reaches the height of lifting 70 ~ 150mm of lifting belt, and weight is about 2kg, lifting beam 4 adopts length 700mm, and wall thickness 4mm, the square iron pipe of cross-section 50 x 30mm, and the parallel welding of long limit vertical direction has two M12 x 70 mm's bolt in lifting beam 4 lower surface 300, 350mm department, cooperates with 3 top U type grooves of jack. The upper carrier roller frame is formed by arranging three carrier rollers in a groove shape, the angle of a side roller is 35 degrees, a cross beam is angle steel of 125mm, and the clamping groove depth of a bracket fixing shaft is 50 mm; the lower bracket is that two bearing rollers are the V type and arrange, angle 10, and the crossbeam is 125mm angle steel, and bracket fixed shaft draw-in groove is 50mm deep.

The embodiment specifically operates as follows: when the carrier roller is replaced, the movable plate 6 of the triangular fixer is opened to penetrate through a narrow gap between the carrier roller and the bracket angle steel, the inner side of the fixed plate 5 is attached to the bracket angle steel, the support 9 is clamped on the bottom surface of the bracket angle steel, the movable plate 6 is closed, the movable plate 6 is attached to the other side of the bracket angle steel, the horizontal part of the movable plate 6 is closed to the support, an M16 bolt is used for penetrating through the through hole 8 for fixing, the plane formed by the hoisting platform 2 is parallel to the bracket angle steel, the jack 3 is lowered to the lowest lifting position, the bottom of the jack is fixed on the hoisting platform 2, so that the jack 3, the hoisting platform 2 and the triangular fixer form a stable whole, the cylindrical convex shaft 10 welded on the lower surface of the hoisting beam 4 is embedded into the U-shaped groove at the top of the jack 3, when the upper side roller or the lower carrier roller is replaced, the hoisting beam 4 forms a certain angle with the bracket angle steel but is parallel to the belt, and starting the jack 3 to ensure that the upper surface of the lifting beam 4 is attached to the belt to be lifted, continuing starting the jack 3 to lift the belt until the belt is lifted away from the carrier roller, and replacing the carrier roller.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides a portable bearing roller of wire rope core belt conveyor is more changed ware which characterized in that: including embracing formula fixed platform (1), jack (3), jack-up crossbeam (4), embracing formula fixed platform (1) includes triangle-shaped fixer and jack-up platform (2), the jack-up platform (2) are fixed in the triangle-shaped fixer outside, demountable installation has jack (3) on jack-up platform (2), open at jack (3) top has U type groove, jack-up crossbeam (4) lower surface has cylindrical protruding axle (10) with long limit vertical direction welding, the U type groove phase-match at cylindrical protruding axle (10) and jack (3) top.

2. The portable idler changer of claim 1, further comprising: the triangular fixer is composed of a support (9), a fixed plate (5) and a movable plate (6), the fixed plate (5) is fixedly connected with the support (9) and is at an angle of 45 degrees with the support, one end of the movable plate (6) is hinged to the fixed plate (5), and the other end of the movable plate is provided with a horizontal part which is connected with the support (9) through bolts.

3. The portable idler changer of claim 2, wherein: the hoisting platform (2) is welded on the outer surface of the fixing plate (5).

4. The portable idler changer of claim 1, further comprising: the jack (3) is a hand jack or an oil jack.

5. The portable idler changer of claim 1, further comprising: two cylindrical protruding shafts (10) are welded on the lower surface of the hoisting cross beam (4) in parallel with the vertical direction of the long edge.

6. A portable idler changer for a wire rope core belt conveyor according to claim 1 or 5 wherein: the cylindrical protruding shaft (10) is a bolt.

7. The portable idler changer of claim 2, wherein: the horizontal part of the movable plate (6) and the support (9) are provided with two parallel through holes which are connected through bolts.

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