阅读说明：本技术 大功率电动滚筒、永磁滚筒用逆止器 (Backstop for high-power electric roller and permanent magnet roller ) 是由 吕泽英 于 2020-07-24 设计创作，主要内容包括：一种大功率电动滚筒、永磁滚筒用的逆止器,包括内圈、外圈,若干在滾道内等间距排列的实体结构的异形偏心楔块；异形偏心楔块两端对称设置一体连接的楔块凸轴端；异形偏心楔块之间设置滾柱隔开,若干滾柱均布在滾道内滾动支撑内圈和外圈；滾柱两端对称设置一体连接的滾柱凸轴端,其与楔块凸轴端均插入两侧的轭板的轴孔内转动连接,轭板为悬置于在滾道内两侧的、平行对称竖置的环形平板,并通过紧定销柱连接固定；轭板外侧设置环形的隔环、挡环轴向限位,挡环固定在内圈上,挡环上设置环形槽,隔环嵌入环形槽内；内圈端面上均布若干内圈连接孔或内圈的孔内设置键槽,外圈端面上均布若干外圈连接孔；是适用于大功率电动滚筒、永磁滚筒的逆止器。(A backstop for a high-power electric roller and a permanent magnet roller comprises an inner ring, an outer ring and a plurality of special-shaped eccentric wedge blocks of entity structures which are arranged in a rolling track at equal intervals; the ends of the special-shaped eccentric wedge block are symmetrically provided with wedge block convex shaft ends which are integrally connected; the rolling columns are arranged between the special-shaped eccentric wedges and are uniformly distributed in the rolling channel to roll the inner ring and the outer ring; the two ends of the roller are symmetrically provided with integrally connected roller protruding shaft ends, the roller protruding shaft ends and the wedge protruding shaft ends are inserted into shaft holes of yoke plates on two sides to be rotationally connected, the yoke plates are circular flat plates which are suspended on two sides in the roller and are symmetrically arranged in parallel, and the yoke plates are connected and fixed through a fastening pin; the outer side of the yoke plate is provided with an annular spacer ring and a baffle ring for axial limiting, the baffle ring is fixed on the inner ring, the baffle ring is provided with an annular groove, and the spacer ring is embedded into the annular groove; a plurality of inner ring connecting holes are uniformly distributed on the end surface of the inner ring or key grooves are arranged in the inner ring holes, and a plurality of outer ring connecting holes are uniformly distributed on the end surface of the outer ring; the non-return device is suitable for high-power electric rollers and permanent magnet rollers.)

1. A backstop for a high-power electric roller and a permanent magnet roller comprises an inner ring, an outer ring, an end cover and a backstop component in a roller between the inner ring and the outer ring, wherein the backstop component comprises a plurality of special-shaped eccentric wedges uniformly distributed in the roller and arranged at equal intervals; it is characterized in that the preparation method is characterized in that,

the special-shaped eccentric wedge block (4) is of a solid structure, and both ends of the special-shaped eccentric wedge block are symmetrically provided with wedge block convex shaft ends (41) which are integrally connected; the special-shaped eccentric wedge blocks (4) are spaced by arranging rolling columns (12), a plurality of rolling columns are uniformly distributed in the rolling channel, the rolling columns (12) support the inner ring and the outer ring in a rolling manner, the two ends of each rolling column are symmetrically provided with rolling column protruding shaft ends (121) which are integrally connected, the wedge protruding shaft ends (41) and the rolling column protruding shaft ends (121) are inserted into shaft holes of yoke plates (13) on the two sides and are connected in a rotating manner, the yoke plates (13) are vertically annular flat plates arranged on the two sides in the rolling channel, the yoke plates are suspended in the rolling channel, the yoke plates on the two sides are arranged in a parallel and symmetrical manner and are connected and fixed through locking pins (11); one side of each special-shaped eccentric wedge block (4) is provided with one fastening pin column (11); the outer side of the yoke plate is sequentially provided with an annular spacer ring (8) and a baffle ring (3) for axial limiting, the baffle ring is fixed on the inner ring, the baffle ring is provided with an annular groove, and the spacer ring is embedded into the annular groove;

the inner ring end face is uniformly distributed with a plurality of inner ring connecting holes (1) or the inner ring is internally provided with a key groove (101), and the outer ring end face is uniformly distributed with a plurality of outer ring connecting holes (7).

2. The backstop for high-power motorized and permanent-magnet drums as claimed in claim 1, wherein the connecting holes of the inner ring (2) are bolt holes or pin shaft holes.

3. The backstop for high-power motorized and permanent-magnet drums as claimed in claim 1, wherein the connecting holes of the outer ring are bolt holes or pin shaft holes.

4. The brake of claim 1, wherein a plurality of profiled eccentric wedges are equally spaced in the roller path in the same eccentric direction; the special-shaped eccentric wedge block is characterized in that a torsion spring (10) is arranged at the end (41) of the wedge block protruding shaft, one end of the torsion spring is fixed on the special-shaped eccentric wedge block (4), the other end of the torsion spring is clamped on one surface of the fastening pin column (11), and the mass center of the special-shaped eccentric wedge block (4) deviates from the center line of the wedge block protruding shaft of the special-shaped eccentric wedge block (4).

5. The backstop for high-power motorized roller and permanent magnet roller according to claim 4, wherein the mass center of the shaped eccentric wedge (4) is biased to the bottom surface of the fastening pin (11), and the other end of the torsion spring is clamped against the bottom surface of the fastening pin (11), so that the shaped eccentric wedge (4) is reset by the torsion spring (10) when rotated in the forward direction, i.e. when the bottom rotates to the bottom surface of the fastening pin (11), and is clamped between the inner ring and the outer ring for backstopping when the shaped eccentric wedge (4) is rotated in the reverse direction.

6. The backstop for high-power motorized and permanent-magnet drums according to claim 1, wherein the inner ring or the outer ring rotates in one direction and is backstopped by the specially-shaped eccentric wedge block (4) in the opposite direction.

7. The brake for high power motorized and permanent magnet drums according to claim 1, wherein one of the rolling cylinders (12) is provided every 1, 2, 3 or 4 of the profiled eccentric wedges (4).

8. The backstop for high-power motorized and permanent-magnet drums according to claim 1, wherein a plurality of outer ring connecting holes (7) are uniformly distributed on the end face of the outer ring and replaced with a plurality of outer ring connecting holes (7) arranged on the end cover on one side of the connecting end.

9. The backstop for high power motorized and permanent magnet drums of claim 1, wherein said end caps are fixed to said inner ring or said outer ring.

10. The backstop for high-power motorized and permanent-magnet drums as recited in claim 1, characterized in that said spacer ring (8) is made of nylon material.

11. The backstop for high power motorized and permanent magnet drums according to claim 7, characterized in that when every 3 or 4 profiled eccentric wedges (4) are provided with one said beam (12), the adjacent profiled eccentric wedges (4) are placed tightly.

Technical Field

The invention relates to the technical field of backstops for high-power electric rollers and permanent magnet rollers, in particular to a backstop for high-power electric rollers and permanent magnet rollers; the device is suitable for transportation equipment conveying machinery in the industries of coal mines, ports, mines, cement and the like, and can also be used for scraper conveyors and other conveying equipment with non-return requirements.

Technical Field

The electric roller is widely applied to equipment such as a belt conveyor and lifting equipment which are limited by the environment due to compact structure; along with the improvement of energy saving projects in China in recent years, a high-power permanent magnet roller capable of greatly reducing energy consumption is widely applied to departments of mines, metallurgy, chemical industry, coal, building materials, electric power, grain, transportation and the like. When the upward-conveying type conveyor is in a power failure or emergency stop condition, the material can be backed up due to self weight, and serious safety accidents can be caused. At present, the backstop can all be installed to current motorized pulley, but, because powerful permanent magnetism cylinder moment of torsion is big, inertia is big, and current backstop structural strength is not enough, all is limited to being used in the motorized pulley or the permanent magnetism cylinder of miniwatt, is not suitable for powerful permanent magnetism cylinder to use, so, need solve urgently.

Disclosure of Invention

The invention provides a backstop for a high-power electric roller and a permanent magnet roller, and aims to solve the technical problem of backstopping of the high-power and high-torque electric roller and the permanent magnet roller.

The technical scheme of the invention is as follows:

a backstop for a high-power electric roller and a permanent magnet roller comprises an inner ring, an outer ring, an end cover and a backstop component in a roller between the inner ring and the outer ring, wherein the backstop component comprises a plurality of special-shaped eccentric wedges uniformly distributed in the roller and arranged at equal intervals;

the special-shaped eccentric wedge block is of a solid structure, and both ends of the special-shaped eccentric wedge block are symmetrically provided with wedge block convex shaft ends which are integrally connected; the special-shaped eccentric wedges are spaced by rollers, a plurality of rollers are uniformly distributed in the roller, the rollers support the inner ring and the outer ring in a rolling way, the two ends of each roller are symmetrically provided with roller convex shaft ends which are integrally connected, the roller convex shaft ends and the roller convex shaft ends are inserted into shaft holes of yoke plates at two sides for rotary connection, the yoke plates are vertical annular flat plates arranged at two sides in the roller, the yoke plates are suspended in the roller, and the yoke plates at two sides are arranged in parallel and symmetrically and are connected and fixed through fastening pins; one side of each special-shaped eccentric wedge block (4) is provided with one fastening pin column (11); the outer side of the yoke plate is sequentially provided with an annular spacer ring and a baffle ring for axial limiting, the baffle ring is fixed on the inner ring, the baffle ring is provided with an annular groove, and the spacer ring is embedded into the annular groove;

the inner ring end face is uniformly distributed with a plurality of inner ring connecting holes or key grooves are arranged in the inner ring holes, and the outer ring end face is uniformly distributed with a plurality of outer ring connecting holes.

The connecting hole of the inner ring is a bolt hole or a pin shaft hole.

The connecting hole of the outer ring is a bolt hole or a pin shaft hole.

A plurality of special-shaped eccentric wedge blocks are arranged in the roller channel at equal intervals towards the same eccentric direction; and a torsion spring is arranged at the end of the wedge block convex shaft, one end of the torsion spring is fixed on the special-shaped eccentric wedge block, the other end of the torsion spring is clamped on one surface of the fastening pin column, and the mass center of the special-shaped eccentric wedge block deviates from the center line of the special-shaped eccentric wedge block convex shaft.

The mass center of the special-shaped eccentric wedge block deviates to the bottom surface of the fastening pin column, and the other end of the torsion spring is clamped and supported on the bottom surface of the fastening pin column, so that the special-shaped eccentric wedge block is reset by the torsion spring when the special-shaped eccentric wedge block is rotated forwards, namely the bottom of the special-shaped eccentric wedge block rotates towards the bottom surface of the fastening pin column, and when the special-shaped eccentric wedge block is rotated reversely, the special-shaped eccentric wedge block is clamped between the inner ring and the outer ring to be blocked.

The inner ring or the outer ring rotates in a single direction, and is in non-return through the special-shaped eccentric wedge block in the reverse direction.

One of the roll columns is located between every 1, 2, 3, or 4 of the profiled eccentric wedges.

And a plurality of outer ring connecting holes are uniformly distributed on the end surface of the outer ring and replaced by a plurality of outer ring connecting holes arranged on the end cover on one side of the connecting end.

The end cover is fixed on the inner ring or the outer ring.

The spacer ring is made of nylon materials.

When one rolling column is arranged between every 3 or 4 special-shaped eccentric wedges, the adjacent special-shaped eccentric wedges are tightly arranged.

The invention has the advantages of

The invention solves the non-return problem of the large-power and large-torque electric roller and the permanent magnet roller, and aims at the structural size of the non-return device for mounting the large-power and large-torque electric roller and the large-torque permanent magnet roller, the non-return device increases the diameter, the radial thickness and other physical structural sizes of the inner ring and the outer ring; the invention also realizes the integrated connection problem of the electric roller with high power and large torque, the permanent magnet roller and the backstop; the invention has compact structure, small axial thickness of the inner and outer rings, relatively reduced volume and weight, convenient installation, reliable performance and space saving.

Description of the drawings:

FIG. 1 is a view showing an internal structure of a non-return device according to the present invention;

FIG. 2 is a cross-sectional view of the check member of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is a schematic view of the roll connection of the present invention to the inner and outer races;

FIG. 8 is a schematic view of the yoke plate coupled to the roll beam and profiled eccentric wedge;

FIG. 9 is a schematic view of the yoke plate coupled to the roll beam and profiled eccentric wedge;

FIG. 10 is a schematic view of the attachment of the locking pin to the yoke plate;

FIG. 11 is a schematic view of the yoke plate coupled to the roll beam and profiled eccentric wedge;

FIG. 12 is a schematic view of the present invention in connection with a roller and a support base; wherein the inner ring is connected with the roller to rotate, and the outer ring is connected and fixed with the supporting seat.

FIG. 13 is a schematic view of the present invention in connection with a roller and a support base; wherein the inner ring is fixedly connected with the supporting seat key, and the outer ring is connected with the rotary drum to rotate.

Description of the figure numbering:

the rolling bearing comprises an inner ring connecting hole 1, a key groove 101, an inner ring 2, a baffle ring 3, a special-shaped eccentric wedge block 4, an outer ring 5, an end cover 6, an outer ring connecting hole 7, a spacer ring 8, a rolling channel 9, a torsion spring 10, a locking pin 11, a rolling column 12, a yoke plate 13, a wedge block protruding shaft end 41, a backstop 100, a roller 200, a supporting seat 300 and a fixed connecting piece 400.

Detailed Description

Referring to fig. 1 to 11, the backstop for the high-power motorized roller and the permanent magnet roller comprises an inner ring, an outer ring, an end cover and a backstop component in a roller between the inner ring and the outer ring, wherein the backstop component comprises a plurality of special-shaped eccentric wedges which are uniformly distributed in the roller and are arranged in the same eccentric direction at equal intervals;

the special-shaped eccentric wedge block 4 is of a solid structure, and both ends of the special-shaped eccentric wedge block are symmetrically provided with wedge block convex shaft ends 41 which are integrally connected; the special-shaped eccentric wedges 4 are arranged in the roller at equal intervals; the special-shaped eccentric wedges 4 are spaced by arranging rolling columns 12, a plurality of rolling columns are uniformly distributed in the rolling channel, the rolling columns 12 are used for rolling and supporting the inner ring and the outer ring, the two ends of each rolling column are symmetrically provided with an integrally connected rolling column convex shaft end 121, the rolling column convex shaft end 41 and the rolling column convex shaft end 121 are inserted into shaft holes of yoke plates 13 on the two sides and are rotationally connected, the yoke plates 13 are vertical annular flat plates arranged on the two sides in the rolling channel, the yoke plates are suspended in the rolling channel, the yoke plates on the two sides are arranged in parallel and symmetrically, and are connected and fixed through locking pins 11; one side of each special-shaped eccentric wedge block (4) is provided with one fastening pin column (11); the outer side of the yoke plate is provided with an annular spacer ring 8 and a baffle ring 3 for axial limiting, the baffle ring is fixed on the inner ring, the baffle ring is provided with an annular groove, and the spacer ring is embedded into the annular groove; the spacer ring is made of a non-metal material and can be made of a nylon material, and when the spacer ring 8 is in contact with the yoke plate, the effects of reducing the friction coefficient between the same materials and reducing temperature rise and noise are achieved.

A plurality of inner ring connecting holes 1 are uniformly distributed on the end surface of the inner ring or key grooves 101 are arranged in the holes of the inner ring as shown in figures 5-6, and a plurality of outer ring connecting holes 7 are uniformly distributed on the end surface of the outer ring; for connecting the drum or the support.

Preferably, the connecting hole of the inner ring 2 is a bolt hole or a pin shaft hole.

Preferably, the connecting hole of the outer ring is a bolt hole or a pin shaft hole.

A torsion spring 10 is arranged at the wedge convex shaft end 41, one end of the torsion spring is fixed on the special-shaped eccentric wedge block 4, the other end of the torsion spring is clamped on one surface of the fastening pin column 11, and the mass center of the special-shaped eccentric wedge block 4 deviates from the wedge convex shaft center line of the special-shaped eccentric wedge block 4; see fig. 1, 9.

The mass center of the special-shaped eccentric wedge block 4 deviates to the bottom surface of the fastening pin column 11, and the other end of the torsion spring is clamped against the bottom surface of the fastening pin column 11, so that the special-shaped eccentric wedge block 4 is reset by the torsion spring 10 when being rotated forward, namely the bottom rotates towards the bottom surface of the fastening pin column 11, and when being rotated reversely, the special-shaped eccentric wedge block 4 is clamped between the inner ring and the outer ring for non-return.

The inner ring or the outer ring rotates in one direction, and is in non-return through the special-shaped eccentric wedge block 4 in the reverse direction.

The profiled eccentric wedges 4 are placed with one of the rolling columns 12 every 1, 2, 3 or 4. That is, one roller 12 may be provided every other eccentric wedge 4, or one roller 12 may be provided every other eccentric wedge 4, and so on, as required; see fig. 1, 9.

When one roller 12 is arranged between every 3 or 4 profiled eccentric wedges 4, the adjacent profiled eccentric wedges 4 are closely arranged in groups of three or four as shown in FIG. 9, so as to resist large torque and achieve rapid check. This tight arrangement means that only the necessary working clearance is left between the profiled eccentric wedges 4, see fig. 9.

And a plurality of outer ring connecting holes 7 are uniformly distributed on the end surface of the outer ring, and the outer ring connecting holes 7 can be replaced by the outer ring connecting holes 7 arranged on the end cover on one side of the connecting end. Namely, the end cover can be connected with the roller by arranging the connecting holes with enlarged diameters as shown in figure 13.

The end cover is fixed on the inner ring or the outer ring.

FIG. 12 is a schematic view of the present invention in connection with a roller and a support base; wherein the inner ring is connected with the roller to rotate, and the outer ring is connected and fixed with the supporting seat; FIG. 13 is a schematic view of the present invention in connection with a roller and a support base; wherein the inner ring is fixedly connected with the supporting seat key, and the outer ring is connected with the rotary drum to rotate.

The inner ring or the outer ring rotates in a unidirectional forward direction, and the reverse rotation is stopped by the special-shaped eccentric wedge block 4.

The non-return working principle of the non-return device is the same as that of the traditional non-return device, the cross section of the special-shaped eccentric wedge block is in a rectangular shape with arc-shaped working surfaces at two ends as shown in figure 1, and the torsion spring enables the working surface of the special-shaped eccentric wedge block to be in contact friction with the inner ring and the outer ring; the inner ring or the outer ring rotates in a unidirectional forward direction, and the reverse rotation is stopped by the special-shaped eccentric wedge block 4. The invention has the innovation points that the rollers are adopted to support the inner ring and the outer ring to roll, and the rollers are connected into a whole through the yoke plates at two sides, so that the supporting strength of the inner ring and the outer ring is improved, the strength of the backstop is increased, meanwhile, the special-shaped eccentric wedge blocks and the rollers are made into solid structures, and the strength and the shearing strength are improved, so that the strength and the supporting problem of the backstop under high torque after the diameter sizes of the inner ring and the outer ring are increased are solved, a plurality of special-shaped eccentric wedge blocks are tightly arranged to resist high torque force, and the connecting holes are arranged after the diameters of the inner ring and the outer ring are increased, so that the backstop is more.

The backstop of the invention is connected with the roller or the supporting seat through the connecting holes or keys on the inner ring and the outer ring and through the bolts or the pin shafts to play the role of backstopping, the outer ring is fixed when the inner ring rotates, and the inner ring is fixed when the outer ring rotates. See fig. 12, 13.

What has been described above is merely a few ways of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which should also be considered as falling within the scope of the present invention.