阅读说明：本技术 用于永磁滚筒的逆止器及包括该逆止器的永磁滚筒 (Backstop for permanent magnet roller and permanent magnet roller comprising backstop ) 是由 张媛 刘超 张立刚 唐黎明 李震 朱学鑫 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种用于永磁滚筒的逆止器及包含该逆止器的永磁滚筒,所述逆止器包括内轮、安装在内轮外侧的外轮、设置在内轮和外轮之间的逆止组件、设置在外轮外侧的端盖、设置在端盖上的压盖、设置在外轮上用于固定的法兰盖,所述逆止器为整体一体结构,通过设置在内轮外侧的法兰盖固定在永磁滚筒上。由于本发明中的逆止器可以作为一个整体装配完成然后安装在永磁滚筒上,便于分开操作,减少企业成产成本。(The invention discloses a backstop for a permanent magnet roller and the permanent magnet roller comprising the backstop, wherein the backstop comprises an inner wheel, an outer wheel arranged on the outer side of the inner wheel, a backstop assembly arranged between the inner wheel and the outer wheel, an end cover arranged on the outer side of the outer wheel, a gland arranged on the end cover and a flange cover arranged on the outer wheel for fixing, and the backstop is of an integral structure and is fixed on the permanent magnet roller through the flange cover arranged on the outer side of the inner wheel. The backstop can be integrally assembled and then installed on the permanent magnet roller, so that the backstop is convenient to separately operate, and the production cost of enterprises is reduced.)

1. The utility model provides a backstop for permanent magnetism cylinder, includes interior wheel, installs at the foreign steamer in interior wheel outside, sets up contrary subassembly, the end cover of setting in the foreign steamer outside, sets up the gland on the end cover, characterized by that between interior wheel and foreign steamer: the inner wheel is provided with a felt ring, and the felt ring is positioned on the inner side of the gland and arranged on the inner wheel to seal the inner wheel.

2. The backstop for a permanent magnet drum of claim 1, wherein: contrary subassembly is including being used for fixed holder, a plurality of rollers that are used for the support and a plurality of contrary endblocks that are used for contrary, contrary endblock is the eccentric design of drum type, roller and contrary piece that ends evenly set up on the holder, contrary subassembly both ends are provided with non-metallic limiting plate respectively, ensure that the foreign steamer of contrary subassembly at slides in the clearance track of interior wheel, have the effect that the contrary subassembly of restriction was controlled about excessively in the slip process to certain cushioning effect has.

3. The backstop for a permanent magnet drum of claim 2, wherein: the nonmetal limiting plate is an annular nylon limiting plate.

4. The backstop for a permanent magnet roller of claim 3, wherein: the backstop further comprises an expansion sleeve arranged on the inner side of the front end of the inner wheel, the section of the expansion sleeve is wedge-shaped, the expansion sleeve is of a split structure and is composed of a plurality of arc-shaped structures, and the sections of the arc-shaped structures are wedge-shaped.

5. The backstop for a permanent magnet roller of claim 4, wherein: the backstop still includes the flange lid that is used for fixing that sets up on the foreign steamer, flange lid one side is fixed with the backstop body, and the opposite side is fixed with the permanent magnetism cylinder.

6. The backstop for a permanent magnet roller of claim 5, wherein: the permanent magnet drum fixing device is characterized in that a first mounting hole for fixing the permanent magnet drum is formed in the outer ring of the flange cover, a plurality of first mounting holes are formed in the first mounting hole, the circle center of each first mounting hole is arranged on the same circle, a pin is arranged in each first mounting hole, a nut is arranged at the uniform end of each pin, and an elastic sleeve is arranged at the other end of each pin.

7. The backstop for a permanent magnet roller of claim 6, wherein: the time outer lane of blind is provided with the second mounting hole that is used for installing the contrary wheeler of backstop, the second mounting hole is provided with a plurality ofly, the centre of a circle of second mounting hole sets up on same circle, the wheeler of backstop passes through second mounting hole bolted connection on the blind.

8. The utility model provides a permanent magnetism cylinder, includes cylinder web, cylinder skin, cylinder main shaft, key, characterized by: the permanent magnet drum further comprises the backstop of any one of claims 1-7 mounted thereon.

9. The permanent magnet drum according to claim 8, wherein: the backstop is installed in the side of permanent magnetism cylinder, is provided with the support hole corresponding with the position at a plurality of first mounting holes places on the backstop flange cover on the cylinder web of permanent magnetism cylinder side, the pin of backstop penetrates the elastic sleeve, in the mounting hole on the flange cover is installed to elastic sleeve one end, on the corresponding support hole on the permanent magnetism cylinder web is connected to the other end.

10. The permanent magnet drum according to claim 9, wherein: the roller spindle and the inner wheel of the backstop are installed through an expansion sleeve gap.

Technical Field

The invention relates to a backstop for a permanent magnet roller and the permanent magnet roller comprising the backstop.

Background

The belt conveyor is essential equipment in bulk cargo transportation industry, and to last belt conveyor, the unidirectional rotation contrary device that ends can be fine provides the protection for belt conveyor, allows to go up to carry belt conveyor and can only rotate along setting for the direction of rotation. The conventional backstop needs to be hung on the roller output shaft. The outer wheel of the backstop is connected with a force arm through a bearing chamber, the force arm is fixed by a stop iron, the inner wheel is connected with a roller output shaft key, and the inner wheel rotates along with the roller output shaft under normal working conditions. When the machine is stopped and the backstop is needed, the inner wheel rotates reversely to wedge the outer wheel, the outer wheel transmits the reverse force to the stop iron through the force arm, and the stop iron stops the backstop from rotating to finish the backstop.

Permanent magnet motorized drums have been widely used in the belt conveyor industry as a new generation of drive components. The permanent magnet roller has the advantages that the roller skin rotates, and the conventional backstop cannot meet roller backstopping under the working condition. Need design a new contrary device that ends, the foreign steamer is rotatory along with the section of thick bamboo skin, connects through the key-type between interior wheel and the drum shaft, transmits the drum shaft through contrary subassembly with the foreign steamer contrary power of ending, and then realizes the protection of ending to permanent magnetism cylinder.

The traditional check device for the permanent magnet roller is rigidly connected through bolts, the check device is fixed on a roller web, a mounting spigot and a connecting hole need to be processed in a matching way, time and labor are wasted, and interchangeability is poor as a result. Interior the hub connection of wheel through transition assembly is fixed, prevents its rotation, and transition complex axle and shaft hole installation and difficulty are because of the unable heating installation of wheel in the backstop, can only pass through the hydraulic press pressure equipment, take time relatively, also have the risk of pulling the drum shaft.

Therefore, the backstop is difficult to install, has extremely high requirement on the coaxiality of the roller shaft, and easily transmits the jumping influence of the shaft to the backstop once the roller shaft coaxially jumps, thereby influencing the service life of the backstop. Meanwhile, the backstop is positioned by depending on the roller and cannot be installed on the roller as an independent product, and the difficulty in later-stage overhauling and maintenance of the roller and the backstop is increased. The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In one aspect, the invention provides a backstop for a permanent magnet roller, which comprises an inner wheel, an outer wheel arranged on the outer side of the inner wheel, a backstop assembly arranged between the inner wheel and the outer wheel, an end cover arranged on the outer side of the outer wheel, a gland arranged on the end cover, and a flange cover arranged on the outer wheel for fixing, wherein the backstop is of an integral structure and is fixed on the permanent magnet roller through the flange cover arranged on the outer side of the inner wheel.

Furthermore, a felt ring is arranged on the inner wheel, is positioned on the inner side of the gland and is arranged on the inner wheel to play a role in sealing the inner wheel.

Further, contrary subassembly contrary including being used for fixed holder, being used for a plurality of rollers of support and being used for a plurality of contrary pieces that end, contrary piece is the eccentric design of drum type, roller and contrary piece that ends evenly set up on the holder, contrary subassembly both ends are provided with non-metallic limiting plate respectively, ensure that the foreign steamer that contrary subassembly was in slides in the clearance track of interior wheel, have the effect that the contrary subassembly of restriction was controlled about excessively in the slip process to certain cushioning effect has.

Furthermore, the backstop still includes the cover that expands that sets up at interior wheel front end inboard, the cover cross-section that expands is the wedge, expand the cover and be the components of a whole that can function independently structure, constitute by a plurality of cross-sections for wedge arc structure.

Furthermore, the backstop still includes the flange lid that is used for fixing that sets up on the foreign steamer, flange lid one side is fixed with the backstop body, and the opposite side is fixed with the permanent magnetism cylinder.

Further, the flange cover outer ring is provided with a plurality of mounting holes for fixing the permanent magnet roller, the circle centers of the mounting holes are arranged on the same circle, pins are arranged in the mounting holes, nuts are arranged at the uniform ends of the pins, and elastic sleeves are arranged at the other ends of the pins.

Further, the inferior outer lane of blind is provided with the second mounting hole that is used for installing the backstop foreign steamer, the second mounting hole is provided with a plurality ofly, the centre of a circle of second mounting hole sets up on same circle, the foreign steamer of backstop passes through second mounting hole bolted connection on the blind.

In another aspect of the present invention, a permanent magnet drum is provided, which comprises a drum web, a drum skin, a drum spindle, a key, and a backstop as described in any one of the preceding paragraphs.

Further, the backstop is installed in the side of permanent magnetism cylinder, and the cylinder web of permanent magnetism cylinder side is provided with the support hole corresponding with the position at a plurality of mounting holes places on the backstop flange cover, the pin of backstop penetrates the elastic sleeve, in the mounting hole on the flange cover was installed to elastic sleeve one end, the other end was connected on the corresponding support hole on the permanent magnetism cylinder web.

Further, the roller spindle and the inner wheel of the backstop are installed through an expanding sleeve gap.

The invention has the following beneficial effects:

1. the backstop overcomes the defect that the backstop is attached to the permanent magnet roller in the prior art, can be integrally assembled and then installed on the permanent magnet roller, is convenient to separately operate, and reduces the production cost of enterprises.

2. The backstop is arranged on the roller web plate through the pin and the elastic sleeve, the elastic sleeve is convenient to install, the requirement on the roller web plate installation hole is low, and the production cost is reduced.

3. The backstop in the invention is designed with an expanding sleeve mounting mode, the inner wheel and the roller spindle are mounted through the expanding sleeve, and the expanding sleeve with the wedge-shaped section is combined with the inner wheel, so that the time for mounting the inner wheel is greatly shortened, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, wherein the same or similar elements are denoted by the same reference numerals. It is obvious that the drawings in the following description are only embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from the provided drawings without inventive effort.

Fig. 1 is a sectional view of a backstop of the present invention.

Fig. 2 is a partially enlarged view of the backstop of the present invention.

Fig. 3 is a cross-sectional view of the expansion sleeve of the present invention.

Fig. 4 is a left side view of the backstop of the present invention.

Fig. 5 is a partial sectional view of the assembly of the backstop and the permanent magnet drum of the present invention.

Description of reference numerals: 1-outer wheel, 2-inner wheel, 3-check assembly, 31-nonmetal limit plate, 4-end cover, 5-gland, 51-felt ring, 52-framework oil seal, 6-expansion sleeve, 61-first end, 62-second end, 7-flange cover, 71-first mounting hole, 72-second mounting hole, 8-pin, 9-elastic sleeve, 10-roller web, 11-roller shell, 12-roller spindle, 13-permanent magnet roller and 14-key.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.

In addition, technical features involved in various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and unless otherwise specified, devices and materials used in the following examples are commercially available, and if processing conditions are not explicitly specified, please refer to a purchased product specification or follow a conventional method in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In this embodiment, as shown in fig. 1, a backstop for permanent magnet drum comprises an inner wheel 2, an outer wheel 1 installed on the outer side of the inner wheel 2, a backstop component 3 arranged between the inner wheel 2 and the outer wheel 1, an end cover 4 arranged on the outer side of the outer wheel 1, a gland 5 arranged on the end cover 4, and a flange cover 7 arranged on the outer wheel 1 for fixing, wherein the backstop is of an integral structure and is fixed on the permanent magnet drum through the flange cover 7 arranged on the outer side of the inner wheel 2, so that the backstop can be installed on the permanent magnet drum after being assembled as a whole, the backstop is convenient to separate and operate, and the production cost of an enterprise is reduced.

In the embodiment, as shown in fig. 1 and fig. 2, a felt 51 is arranged between the gland 5 and the inner wheel 2, the felt 51 is arranged on the inner wheel 2 inside the gland 5, and plays a role in sealing the inner wheel 2, thereby effectively preventing substances such as dust and the like in operation from entering the inner wheel 2 and affecting the efficiency of the backstop. A skeleton oil seal 52 is provided in the gland 5 to prevent external dust from entering the apparatus while preventing internal lubricating oil from leaking out.

In the embodiment, as shown in fig. 1 and fig. 2, the inner wheel 2 and the outer wheel 1 are supported by the non-return assembly 3, and when the inner wheel 2 is fixed, the outer wheel 1 is driven by the roller spindle 12 and supported by the non-return assembly 3 to rotate in a unidirectional set direction. Contrary subassembly 3 is including being used for fixed holder, a plurality of rollers that are used for supporting and a plurality of contrary stop blocks that are used for contrary, contrary stop block is drum type eccentric design, roller and contrary piece evenly set up on the holder, contrary 3 both ends of subassembly are provided with non-metallic limiting plate 31 respectively, guarantee that contrary subassembly 3 slides in the foreign steamer 1 of foreign steamer and the clearance track of interior wheel 2, have the effect that contrary subassembly 3 was controlled about in the excessive slip in-process that restricts, and have certain cushioning effect.

In this embodiment, the non-metal limiting plate 31 is a nylon limiting plate, and is configured to be fixed on the inner wheel 2 in an annular shape.

In this embodiment, as shown in fig. 3, the non-return device further includes an expansion sleeve 6 disposed on the inner wheel 2, and the section of the expansion sleeve 6 is wedge-shaped. The expansion sleeve 6 is of a split structure and is composed of a plurality of arc structures with wedge-shaped sections. The expansion sleeve 6 is provided with a first end part 61 and a second end part 62, wherein the first end part 61 is fixed at the front end of the outer wheel 1 by a screw, the second end part 62 is arranged at the inner side of the inner wheel 2, when the expansion sleeve 6 is combined with other components, the section of the expansion sleeve 6 with the wedge shape at the inner side of the inner wheel 2 is extruded, and the expansion sleeve 6 with the wedge shape at the section is tightly installed along with the advancing of the installation process due to the wedge shape design of the section of the expansion sleeve 6.

In this embodiment, as shown in fig. 1 and 4, the backstop further includes a flange cover 7 for fixing, which is disposed on the outer wheel 1, and a backstop body is fixed on one side of the flange cover 7, and a permanent magnet roller 13 is fixed on the other side.

In this embodiment, as shown in fig. 1 and 4, a plurality of first mounting holes 71 are provided on the outermost ring of the flange cover 7 for fixing the permanent magnetic drum 13, the circle centers of the first mounting holes 71 are provided on the same circle, a pin 8 is provided in each first mounting hole 71, a nut is provided at one end of the pin 8, and an elastic sleeve 9 is provided at the other end of the pin.

In this embodiment, as shown in fig. 1 and 4, the flange cover 7 is provided with a second mounting hole 72 for mounting the non-return device outer wheel 1, the second mounting hole 72 is provided in plurality, the circle center of the second mounting hole 72 is arranged on the same circle, and the non-return device outer wheel 11 is bolted to the flange cover 7 through the second mounting hole 72. In the invention, a flange cover 7 outside the outer wheel 1 is added, and the outer wheel 1, the gland 5 and the flange cover 7 are connected through inner hexagonal screws to form the exterior of the backstop. The technical purpose is to fix the whole backstop component, and the backstop can be used as an independent product for production and assembly.

In the embodiment shown in fig. 5, there is also provided a permanent magnet drum 13, which includes a drum web 10, a drum skin 11, a drum spindle 12, a key 14, and a backstop as described in any one of the previous paragraphs.

In this embodiment, as shown in fig. 5, the backstop is integrally installed on the side of the permanent magnet drum 13, the drum web 10 on the side of the permanent magnet drum 13 is provided with support holes corresponding to the positions of the plurality of first installation holes 71 on the backstop flange cover 7, the pins 8 of the backstop penetrate through the elastic sleeves 9, one end of each elastic sleeve 9 is installed in the first installation hole 71 on the flange cover 7, and the other end of each elastic sleeve 9 is connected to the corresponding support hole on the web 10 of the permanent magnet drum 13. The diameter of the support hole on the web 10 of the permanent magnet roller 13 is slightly larger than that of the elastic sleeve 9, and during installation, the elastic sleeve 9 deforms and has an increased outer diameter under extrusion through a nut at the end of the compression pin 8, and then is compressed and compacted with the web 10 of the roller.

In this embodiment, the roller spindle 12 and the inner wheel 2 of the brake are installed in a clearance manner through the expansion sleeve 6, the first end 61 of the expansion sleeve 6 is pressed by a screw outside the inner wheel 2, and the second end 62 of the expansion sleeve 6 completes the inner hole shrinkage by means of the conical surface of the inner wheel 2, so that the inner wheel 2 and the roller spindle 12 are installed in a small interference fit manner. Meanwhile, the relative position of the roller shaft and the inner wheel 2 is fixed by a key 14 between the shaft and the expansion sleeve 6 and between the shaft and the inner wheel 2.

The working principle of the invention is as follows: the inner wheel 2 of the backstop is fixed with the roller shaft through the key 14 and the expansion sleeve 6, and the roller shaft is fixed on the supporting seats at the two ends, so that the inner wheel 2 does not rotate relative to the roller main shaft 12 under the blocking action of the key 14, correspondingly, the backstop component 3 is supported between the inner wheel 2 and the outer wheel 1 of the backstop, and when the inner wheel 2 does not rotate relative to the outer wheel 1, the outer wheel 1 can rotate in a unidirectional set direction under the support of the backstop component 3 and the drive of the permanent magnet roller 13. When the rotation direction of the outer wheel 1 of the backstop is opposite to the set direction, the backstop component 3 is driven to rotate reversely, the backstop component 3 is wedged tightly in the gap between the inner wheel 2 and the outer wheel 1, the backstop function is completed, and backstopping of the permanent magnet roller 13 is realized. That is, when the permanent magnetism cylinder 13 normally shut down, because receive material and sticky tape gliding force influence, the cylinder can appear the reversal trend, and the reversal force at this moment passes through cylinder skin 11 and transmits to cylinder web 10, and then transmits to backstop foreign steamer 1 through elastic sleeve 9 and blind flange 7, and the contrary subassembly 3 that ends of foreign steamer 1 drive moves, wedges the track between the interior foreign steamer 1 of interior foreign steamer, transmits the contrary power that ends to the drum shaft once more, accomplishes and ends.

Still other technical features of combining the backstop with a flange cover into a whole or connecting the backstop with the permanent magnet roller by an elastic sleeve or connecting the inner wheel of the backstop with the main shaft of the permanent magnet roller by an expansion sleeve are all embodiments of the invention, and the technical features of the above embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above embodiments are not described.

Therefore, in the technical field of the backstop of the permanent magnet roller, all technical contents including technical characteristics that the backstop is combined into a whole by a flange cover or an elastic sleeve is adopted to connect the backstop and the permanent magnet roller or an expansion sleeve is adopted to connect an inner wheel of the backstop and a main shaft of the permanent magnet roller and the like are in the protection scope of the invention. The above embodiment is only one implementation form of the permanent magnet roller backstop provided by the invention, and other modifications of the scheme provided by the invention, such as adding or reducing components or steps therein, or applying the invention to other technical fields close to the invention, belong to the protection scope of the invention.