CN210206722U - Stirring equipment and bottom bearing thereof - Google Patents
Stirring equipment and bottom bearing thereof Download PDFInfo
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- CN210206722U CN210206722U CN201921085452.9U CN201921085452U CN210206722U CN 210206722 U CN210206722 U CN 210206722U CN 201921085452 U CN201921085452 U CN 201921085452U CN 210206722 U CN210206722 U CN 210206722U
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Abstract
The utility model discloses a bottom bearing, including outer axle sleeve, the inboard of outer axle sleeve is equipped with the interior axle sleeve that is used for with the lateral wall rigid coupling of (mixing) shaft, still include for with the first magnetic ring subassembly of the lateral wall rigid coupling of interior axle sleeve and with the inside wall rigid coupling of outer axle sleeve, be used for producing the second magnetic ring subassembly of repulsion force in order to prevent interior axle sleeve and outer axle sleeve contact wear with first magnetic ring subassembly. The utility model also discloses an agitated vessel of including above-mentioned end bearing. The bottom bearing can prevent the contact friction of the inner shaft sleeve and the outer shaft sleeve, and can solve the problem of abrasion between the shaft sleeves of the bottom bearing when the stirring shaft runs, thereby prolonging the service life of the bottom bearing and reducing the production cost.
Description
Technical Field
The utility model relates to a mechanical stirring technical field, in particular to end bearing. The utility model discloses still relate to an agitated vessel who has this end bearing.
Background
The stirring shaft of the vertical stirring equipment is divided into a cantilever shaft and a single span shaft. The single span shaft is generally a slender shaft, and a sliding bearing, namely a bottom bearing, needs to be arranged at the tail end of the shaft in order to improve the critical rotating speed of the stirring shaft so as to prevent overlarge vibration or overlarge swing.
Because the bottom bearing is located inside the container, the bottom bearing directly contacts with the material, and is limited by the use environment, the bottom bearing generally cannot adopt a precise roller bearing, and because the roller bearing requires good lubrication conditions, the material selection has limitations, and the requirements of corrosion resistance and wear resistance are met very difficultly. Therefore, the bottom bearing generally adopts a sliding bearing, the selection of the materials of the inner shaft sleeve and the outer shaft sleeve is very wide, and the material of the inner shaft sleeve is generally consistent with that of the equipment body; the outer shaft sleeve is made of materials with hardness smaller than that of the inner shaft sleeve, such as polytetrafluoroethylene, graphite, nylon, copper alloy and the like, so that the outer shaft sleeve is convenient to replace after being worn. The conventional bottom bearing inevitably generates abrasion of the shaft sleeve due to the existence of contact friction between the inner shaft sleeve and the outer shaft sleeve, so the conventional bottom bearing needs to be replaced periodically, the replacement period is related to factors such as stirring rotating speed, shaft sleeve material, stirring medium, temperature, fluid radial force and the like, when the stirring medium contains high-hardness solid powder (such as metal and oxide powder), the abrasion of the shaft sleeve is obviously increased, and the service life is short, and the value of practical industrial application is lost.
Therefore, how to avoid the reduction of the service life of the bottom bearing caused by the abrasion between the inner shaft sleeve and the outer shaft sleeve is a technical problem which needs to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bottom bearing, this bottom bearing can prevent the contact friction of inside and outside axle sleeve, can solve the wearing and tearing problem between bottom bearing's axle sleeve when the (mixing) shaft operation to improve bottom bearing's life and reduction in production cost. Another object of the utility model is to provide an agitated vessel including above-mentioned bottom bearing.
In order to achieve the above object, the utility model provides a bottom bearing, including outer axle sleeve, the inboard of outer axle sleeve be equipped with for with the interior axle sleeve of the lateral wall rigid coupling of (mixing) shaft, still include be used for with the first magnetic ring subassembly of the lateral wall rigid coupling of interior axle sleeve and with the inside wall rigid coupling of outer axle sleeve, be used for with first magnetic ring subassembly produces the repulsion force in order to prevent interior axle sleeve with outer axle sleeve contact wear's second magnetic ring subassembly.
Optionally, the first magnetic ring assembly comprises a plurality of first magnets distributed along the circumferential direction of the first magnetic ring assembly and used for generating a magnetic field, and a first strip yoke iron used for enhancing the magnetic field strength and capable of connecting two adjacent first magnets is arranged between any two adjacent first magnets;
the second magnetic ring assembly comprises a plurality of second magnets which are distributed along the circumferential direction of the second magnetic ring assembly and used for generating a magnetic field, and a second strip yoke which is used for enhancing the magnetic field intensity and can be connected with two adjacent second magnets is arranged between any two adjacent second magnets.
Optionally, the first magnet and the second magnet are both arc-shaped permanent magnets.
Optionally, a first annular groove which is formed along a radial direction of the outer side wall of the inner shaft sleeve and is used for accommodating the first magnet ring assembly is formed in the outer side wall of the inner shaft sleeve, and a first yoke assembly used for enhancing the magnetic field strength of the first magnet ring assembly is arranged inside the first annular groove;
and a second annular groove which is radially formed in the inner side wall of the outer shaft sleeve and used for accommodating the second magnetic ring assembly is formed in the inner side wall of the outer shaft sleeve, and a second yoke assembly used for enhancing the magnetic field intensity of the second magnetic ring assembly is arranged in the second annular groove.
Optionally, the first yoke assembly includes a first circular yoke configured to be connected to a vertical sidewall of the first annular groove and capable of being connected to a sidewall of the first magnetic ring assembly away from the outer sleeve in an attracting manner, and two second circular yokes respectively disposed above and below the first circular yoke and the first magnetic ring assembly and configured to be connected to the first magnetic ring assembly with the first circular yoke;
the second yoke assembly comprises a third circular yoke and two fourth circular yokes, wherein the third circular yoke is used for being connected with the vertical side wall of the second annular groove and can be attracted and connected with the side wall, far away from the inner shaft sleeve, of the second magnetic ring assembly, and the two fourth circular yokes are arranged above and below the third circular yoke and the second magnetic ring assembly respectively and are used for being connected with the second magnetic ring assembly through the third circular yoke.
Optionally, the magnetic coupling device further comprises a first seal plate arranged on the outer side of the inner shaft sleeve and used for protecting the first magnetic ring assembly, and a second seal plate arranged on the inner side of the outer shaft sleeve and used for protecting the second magnetic ring assembly.
Optionally, the first closing plate and the outer side wall of the inner shaft sleeve, and the second closing plate and the inner side wall of the outer shaft sleeve are all glued through industrial glue.
The utility model also provides an agitated vessel, including above-mentioned arbitrary bottom bearing.
Optionally, the stirring shaft is used for penetrating through the bottom bearing along the axial direction of the bottom bearing and fixedly connected with the bottom bearing, and the support assemblies are arranged on the outer side of the bottom bearing and used for supporting the bottom bearing.
Optionally, the stirring device further comprises a stirring container for accommodating the stirring shaft and the bottom bearing, and any one of the bracket assemblies comprises a supporting leg arranged between the bottom bearing and the stirring container and used for supporting the bottom bearing;
one end of the supporting leg is fixedly connected with the outer side wall of the bottom bearing through an ear seat; the other end of the supporting leg is fixedly connected with the inner side wall of the stirring container through a backing plate.
Compared with the prior art, the utility model designs a bottom bearing aiming at different requirements of bearing abrasion; specifically, the bottom bearing comprises an outer shaft sleeve and an inner shaft sleeve, the inner shaft sleeve is arranged on the inner side of the outer shaft sleeve, the inner shaft sleeve is fixedly connected with the outer side wall of the stirring shaft, and the bottom bearing is used for supporting the stirring shaft in the operation process of the stirring shaft, so that the operation stability of the stirring shaft can be ensured; the bottom bearing further comprises a first magnetic ring assembly and a second magnetic ring assembly, wherein the first magnetic ring assembly is fixedly connected with the outer side wall of the inner shaft sleeve, the second magnetic ring assembly is fixedly connected with the inner side wall of the outer shaft sleeve, and the second magnetic ring assembly is used for generating repulsive force with the first magnetic ring assembly, so that the inner shaft sleeve and the outer shaft sleeve can be prevented from being in contact wear.
That is to say, the inside and outside axle sleeve of end bearing sets up first magnetic ring subassembly and second magnetic ring subassembly respectively, first magnetic ring subassembly and second magnetic ring subassembly utilize the principle that like poles repel each other can make the center of interior axle sleeve automatic centering in outer axle sleeve, when the (mixing) shaft operation, receive the impact of fluid radial force, the swing of within the limited range is done to interior axle sleeve inside outer axle sleeve, but interior axle sleeve never bumps with outer axle sleeve, the wearing and tearing problem of end bearing's axle sleeve has thoroughly been solved to improve end bearing's life and reduction in production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of an assembly of a bottom bearing and a stirring shaft disclosed in an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the bearing of FIG. 1;
fig. 3 is a schematic arrangement of the first magnetic ring assembly and the second magnetic ring assembly in fig. 1.
Wherein:
1-inner shaft sleeve, 11-first circular ring-shaped yoke iron, 12-second circular ring-shaped yoke iron, 13-first magnetic ring assembly, 131-first magnet, 132-first strip-shaped yoke iron, 14-first sealing plate, 2-outer shaft sleeve, 21-third circular ring-shaped yoke iron, 22-fourth circular ring-shaped yoke iron, 23-second magnetic ring assembly, 231-second magnet, 232-second strip-shaped yoke iron, 24-second sealing plate, 3-backing plate, 4-first fastener, 5-cover plate, 6-support leg, 7-ear seat, 8-second fastener, 9-key and 10-stirring shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a bottom bearing, this base can prevent the contact friction of inside and outside axle sleeve, can solve the wearing and tearing problem between the axle sleeve of bottom bearing when the (mixing) shaft moves to improve bottom bearing's life and reduction in production cost. The other core of the utility model is to provide a stirring equipment including above-mentioned end bearing.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
It should be noted that the terms "above, below, left side, right side" and the like in the following description are defined based on the drawings of the specification.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic view of an overall structure of a bottom bearing and a stirring shaft assembly disclosed in an embodiment of the present invention; FIG. 2 is a schematic view of the construction of the bearing of FIG. 1; fig. 3 is a schematic arrangement of the first magnetic ring assembly and the second magnetic ring assembly in fig. 1.
The embodiment of the utility model provides a bottom bearing, including outer axle sleeve 2 and inner shaft sleeve 1, inner shaft sleeve 1 locates the inboard of outer axle sleeve 2, and inner shaft sleeve 1 and the lateral wall rigid coupling of (mixing) shaft 10 can realize like this that the bottom bearing is to the supporting role of (mixing) shaft 10 to can guarantee the stability of (mixing) shaft 10 operation; furthermore, the bottom bearing comprises a first magnetic ring assembly 13 and a second magnetic ring assembly 23. The first magnetic ring assembly 13 is used for being fixedly connected with the outer side wall of the inner shaft sleeve 1, the second magnetic ring assembly 23 is fixedly connected with the inner side wall of the outer shaft sleeve 2, and the second magnetic ring assembly 23 is used for generating repulsive force with the first magnetic ring assembly 13, so that contact abrasion between the inner shaft sleeve 1 and the outer shaft sleeve 2 can be prevented.
That is to say, the inner and outer shaft sleeves of the bottom bearing are respectively provided with the first magnetic ring assembly 13 and the second magnetic ring assembly 23, the first magnetic ring assembly 13 and the second magnetic ring assembly 23 are oppositely arranged, the first magnetic ring assembly 13 and the second magnetic ring assembly 23 can be both arranged in a circular ring shape and are magnetic permanent magnet assemblies, and the polarities of the sides of the permanent magnets of the first magnetic ring assembly 13 and the permanent magnets of the second magnetic ring assembly 23 which are close to each other are the same, so that the inner shaft sleeve 1 fixedly connected with the first magnetic ring assembly 13 can be automatically centered in a range where the centers of the outer shaft sleeves 2 fixedly connected with the second magnetic ring assembly 23 and having opposite polarities are smaller by utilizing the principle that like polarities repel each other, the distance is smaller, and the repulsive force is larger, thereby avoiding the contact friction between the inner shaft sleeve and; when the stirring shaft 10 runs, the inner shaft sleeve 1 swings in a limited range inside the outer shaft sleeve 2 under the impact action of the radial force of the fluid, but the inner shaft sleeve 1 and the outer shaft sleeve 2 never collide with each other, so that the problem of abrasion of the shaft sleeve of the bottom bearing can be thoroughly solved, the service life of the bottom bearing is prolonged, and the production cost is reduced.
The bottom bearing is widely applied to vertical shafts, inclined shafts and horizontal shafts, and the application positions of the bottom bearing comprise the tail end of the shaft, the middle part of the shaft or other positions, the tail end of a single span shaft, the tail end of a flexible shaft and the like. The bottom bearing can be used on a stirring shaft 10 in stirring equipment, and has the functions of supporting the stirring shaft 10 and improving the critical rotating speed of the stirring shaft 10, so that the influence on the stability of stirring operation due to overlarge vibration or overlarge swing of the stirring shaft 10 is avoided; when the bottom bearing is used for the flexible shaft, the function of the bottom bearing is not the supporting function of the bearing, but the function of preventing the flexible shaft from deflecting during starting. In addition, the fixing mode of the bottom bearing is also very various, such as supporting by a triangular bracket, of course, other different supporting modes are possible, and the fixing mode is not limited to the triangular bracket.
Further, the first magnet ring assembly 13 may be specifically configured as a circular ring assembly composed of a plurality of first magnets 131 and a plurality of first bar yokes 132, wherein all the first magnets 131 are distributed along the circumferential direction of the first magnet ring assembly 13, the polarity of each first magnet 131 is consistent, the first magnets 131 are used for generating a magnetic field, one first bar yoke 132 is arranged between any two adjacent first magnets 131, and the first bar yokes 132 are used for enhancing the magnetic field strength to enhance the attraction force of the first magnets 131, so as to improve the efficiency of the first magnets 131; meanwhile, any one of the first bar yokes 132 can also function to connect two adjacent first magnets 131, so that a first magnetic ring assembly 13 with the same polarity on the outer side is formed, wherein the outer side refers to the side of the first magnetic ring assembly 13 close to the second magnetic ring assembly 23.
Accordingly, the second magnet ring assembly 23 may be specifically configured as a circular ring assembly composed of a plurality of second magnets 231 and a plurality of second bar yokes 232, wherein all the second magnets 231 are distributed along the circumferential direction of the second magnet ring assembly 23, the polarity of each second magnet 231 is kept consistent, the second magnets 231 are used for generating a magnetic field, one second bar yoke 232 is arranged between any two adjacent second magnets 231, and the second bar yokes 232 are used for enhancing the magnetic field strength to enhance the attraction force of the second magnets 231, so as to improve the efficiency of the second magnets 231; meanwhile, any one of the second bar yokes 232 can also function to connect two adjacent second magnets 231, so that a second magnet ring assembly 23 with the same polarity on the inner side is formed, wherein the inner side refers to the side of the second magnet ring assembly 23 close to the first magnet ring assembly 13.
Of course, according to actual requirements, the first magnet 131 and the second magnet 231 may be both provided with circular-arc permanent magnets, for example, one of ferrite magnets, neodymium-iron-boron magnets, and samarium-cobalt magnets, all the first magnets 131 and all the first bar yokes 132 form the circular-ring-shaped first magnet ring assembly 13, and all the second magnets 231 and all the second bar yokes 232 form the circular-ring-shaped second magnet ring assembly 23; in addition, the number of the first magnets 131 can be adjusted according to the outer diameter of the inner sleeve 1, and the number of the second magnets 231 can be adjusted according to the inner diameter of the outer sleeve 2, provided that a complete ring can be formed and the outside polarity of the first magnetic ring assembly 13 is ensured to be consistent with the inside polarity of the second magnetic ring assembly 23, so as to prevent the inner and outer sleeves from being worn due to contact by using the principle that like poles repel each other.
Furthermore, the outer side wall of the inner shaft sleeve 1 is provided with a first annular groove which is radially formed along the outer side wall, the first annular groove is used for accommodating and mounting the first magnetic ring assembly 13, a first yoke assembly is further arranged inside the first annular groove and can be arranged between the inner side wall of the first annular groove and the first magnetic ring assembly 13, and the first yoke assembly is used for enhancing the magnetic field intensity so as to enhance the attraction force of the first magnetic ring assembly 13, so that the efficiency of the first magnetic ring assembly 13 is improved, and meanwhile, the first yoke assembly can also play a role of fixedly connecting the first magnetic ring assembly 13.
Correspondingly, the inside wall of outer axle sleeve 2 is equipped with the second annular groove of seting up along its footpath, the second annular groove is used for the holding and installs second magnetic ring subassembly 23, the inside of second annular groove still is equipped with second yoke subassembly, second yoke subassembly can set up between the inside wall of second annular groove and second magnetic ring subassembly 23, second yoke subassembly is used for strengthening magnetic field intensity in order to strengthen the suction power of second magnetic ring subassembly 23, thereby improve the efficiency of second magnetic ring subassembly 23, second yoke subassembly can also play the effect of fixed connection second magnetic ring subassembly 23 simultaneously.
Specifically, the first yoke assembly comprises a first annular yoke 11 and two second annular yokes 12, wherein the first annular yoke 11 is used for being connected with the vertical side wall of the first annular groove and can be attracted and connected with the side wall, far away from the outer shaft sleeve 2, of the first magnet ring assembly 13, that is, the first annular yoke 11 can be attracted and connected with the first magnet ring assembly 13 along the radial direction of the first magnet ring assembly 13; the two second circular ring-shaped yokes 12 are respectively arranged above and below the first circular ring-shaped yoke 11 and the first magnetic ring assembly 13, the two second circular ring-shaped yokes 12 and the first circular ring-shaped yoke 11 can form a space for fixedly mounting the first magnetic ring assembly 13 so as to realize the function of connecting the first magnetic ring assembly 13, the two second circular ring-shaped yokes 12 can be connected with the first magnetic ring assembly 13 in an attracting mode along the axial direction parallel to the first magnetic ring assembly 13, and meanwhile the magnetic field intensity of the first magnetic ring assembly 13 can be enhanced so as to improve the efficiency of the first magnetic ring assembly 13.
Similarly, the second yoke assembly comprises a third circular yoke 21 and two fourth circular yokes 22, wherein the third circular yoke 21 is used for being connected with the vertical side wall of the second annular groove and can be in suction connection with the side wall of the second magnet ring assembly 23 far away from the inner shaft sleeve 1, that is, the third circular yoke 21 can be in suction connection with the second magnet ring assembly 23 along the radial direction thereof; the two fourth circular ring-shaped yokes 22 are respectively arranged above and below the third circular ring-shaped yoke 21 and the second magnetic ring assembly 23, the two fourth circular ring-shaped yokes 22 and the third circular ring-shaped yoke 21 can form a space for fixedly mounting the second magnetic ring assembly 23 so as to connect the second magnetic ring assembly 23, the two fourth circular ring-shaped yokes 22 can be attracted and connected with the second magnetic ring assembly 23 along the axial direction parallel to the second magnetic ring assembly 23, and meanwhile, the magnetic field intensity of the second magnetic ring assembly 23 can be enhanced so as to improve the efficiency of the second magnetic ring assembly 23.
According to the actual requirement, the connection between the first yoke assembly and the inner sleeve 1 and the connection between the second yoke assembly and the outer sleeve 2 may be implemented in various manners, such as by industrial glue, and in addition, the first yoke assembly and the first magnetic ring assembly 13 and the second yoke assembly and the second magnetic ring assembly 23 may also be glued by industrial glue on the basis of the suction connection, so as to ensure the stability of the connection between the yoke assembly and the magnetic ring assembly.
In order to optimize the above embodiment, the bottom bearing further includes a first closing plate 14 and a second closing plate 24, and both the first closing plate 14 and the second closing plate 24 are vertically disposed, wherein the first closing plate 14 is disposed at the outer sides of the inner shaft sleeve 1 and the first magnet ring assembly 13, the first magnet ring assembly 13 is closed by the first closing plate 14, and the first closing plate 14 may be connected to the outer side wall of the inner shaft sleeve 1, so as to achieve the purpose of protecting the first magnet ring assembly 13; the inboard of outer axle sleeve 2 and second magnetic ring subassembly 23 is located to second shrouding 24, and second magnetic ring subassembly 23 realizes sealing through second shrouding 24, and second shrouding 24 can be connected with outer axle sleeve 2's inside wall to realize protecting second magnetic ring subassembly 23's purpose.
In addition, the outer side walls of the first closing plate 14 and the inner shaft sleeve 1 and the inner side walls of the second closing plate 24 and the outer shaft sleeve 2 can be glued through industrial glue so as to realize a protection function; of course, other different connection modes are possible, and the connection mode is not particularly limited herein.
Thus, an annular gap is formed between the outer wall of the inner shaft sleeve 1 and the inner wall of the outer shaft sleeve 2, when the stirring shaft 10 swings, the gap on one side of the inner shaft sleeve 1 becomes smaller, so that the repulsive force of the outer shaft sleeve 2 to the inner shaft sleeve 1 becomes larger rapidly, and the inner shaft sleeve 1 realizes automatic centering by the dynamic balance of the repulsive force.
Further, the distance between the outer wall of the inner shaft sleeve 1 and the inner wall of the outer shaft sleeve 2 can be set to be L, and the thickness of the first closing plate 14 is delta1(typically 0.2 to 3mm, preferably 0.5 to 1.5mm), and the second sealing plate 24 has a thickness δ2(generally 0.2-3 mm, preferably 0.5-1.5mm), the allowable swing amount of the end of the stirring shaft 10 is A, and at this time, L should satisfy the following requirements: delta1+δ2<L<A; meanwhile, the arrangement of the first magnetic ring assembly 13 and the second magnetic ring assembly 23 should satisfy the following conditions: when the stirring shaft 10 swings and the minimum annular gap is zero, the sum of repulsive force vectors of the second magnetic ring assembly 23 in the outer shaft sleeve 2 and the first magnetic ring assembly 13 in the inner shaft sleeve 1 is large enough, so that the further expansion of the swinging amount of the stirring shaft 10 can be prevented; when the sum of the repulsive force vectors is insufficient to prevent further oscillation of the mixer shaft 10, the repulsive force may be increased by: a magnet with higher magnetic field intensity is adopted; increasing the diameter of the first magnetic ring assembly 13 in the inner shaft sleeve 1 and the diameter of the second magnetic ring assembly 23 in the outer shaft sleeve 2; the height of the first magnet ring assembly 13 in the inner hub 1 and the height of the second magnet ring assembly 23 in the outer hub 2 are increased.
The utility model provides a stirring device, which comprises the bottom bearing described in the above embodiment; the stirring equipment further comprises a stirring shaft 10 and a plurality of bracket assemblies, wherein the stirring shaft 10 is used for penetrating through the bottom bearing along the axial direction of the bottom bearing and fixedly connecting with the bottom bearing, an inner shaft sleeve 1 of the bottom bearing is connected with the stirring shaft 10 through a key 9, a cover plate 5 can be arranged below the inner shaft sleeve 1, the cover plate 5 is fixedly connected with the lower side end face of the inner shaft sleeve 1, and further, the cover plate 5 can be connected with the stirring shaft 10 through a first fastening piece 4 perpendicular to the cover plate 5; the outer side of bottom bearing is located and can be realized supporting bottom bearing's effect to a plurality of bracket component. Of course, the inner shaft sleeve 1 and the stirring shaft 10 of the bottom bearing can also be arranged in other different ways, and the related technical requirements of the existing part can be referred to, and the parts are not expanded one by one.
In addition, the stirring equipment also comprises a stirring container for accommodating the stirring shaft 10 and the bottom bearing, any one of the support assemblies comprises a supporting leg 6 arranged between the bottom bearing and the stirring container, and the supporting leg 6 is used for supporting the bottom bearing; specifically, one end of the supporting leg 6 is fixedly connected with the outer side wall of the bottom bearing through the ear seat 7, and the other end of the supporting leg 6 is fixedly connected with the inner side wall of the stirring container through the backing plate 3; generally, the number of the bracket assemblies may be three or more, and thus, three or more ear seats 7 may be welded on the outer side wall of the outer sleeve 2, and any one of the ear seats 7 is fixedly connected to one end of the leg 6 by a second fastening member 8, such as a bolt assembly; and the other end of the leg 6 can be welded on the backing plate 3, and the backing plate 3 is further welded and fixed with the inner side wall of the stirring container. Of course, the support can be arranged in different ways, and the arrangement of the support bottom bearing is within the protection scope of the application as long as the arrangement of the support bottom bearing can be met; in addition, other parts of the mixing device can be referred to the prior art and are not further developed herein.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above that the utility model provides an agitated vessel and end bearing thereof have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The bottom bearing is characterized by comprising an outer shaft sleeve (2), wherein an inner shaft sleeve (1) fixedly connected with the outer side wall of a stirring shaft (10) is arranged on the inner side of the outer shaft sleeve (2), the bottom bearing further comprises a first magnetic ring assembly (13) fixedly connected with the outer side wall of the inner shaft sleeve (1) and a second magnetic ring assembly (23) fixedly connected with the inner side wall of the outer shaft sleeve (2) and used for generating repulsive force with the first magnetic ring assembly (13) to prevent the inner shaft sleeve (1) and the outer shaft sleeve (2) from being worn in a contact manner.
2. Bottom bearing according to claim 1, characterized in that the first magnet ring assembly (13) comprises a plurality of first magnets (131) distributed along the circumference of the first magnet ring assembly (13) for generating a magnetic field, and a first strip yoke (132) for increasing the magnetic field strength and capable of connecting two adjacent first magnets (131) is arranged between any two adjacent first magnets (131);
the second magnetic ring assembly (23) comprises a plurality of second magnets (231) distributed along the circumferential direction of the second magnetic ring assembly (23) and used for generating a magnetic field, and a second strip yoke (232) used for enhancing the magnetic field intensity and capable of connecting the two adjacent second magnets (231) is arranged between any two adjacent second magnets (231).
3. Bottom bearing according to claim 2, characterized in that the first magnet (131) and the second magnet (231) are both permanent magnets of circular arc shape.
4. A bottom bearing according to claim 3, wherein the outer side wall of the inner sleeve (1) is provided with a first annular groove opened along the radial direction thereof for accommodating the first magnet ring assembly (13), and the inside of the first annular groove is provided with a first yoke assembly for enhancing the magnetic field strength of the first magnet ring assembly (13);
and a second annular groove which is radially formed in the inner side wall of the outer shaft sleeve (2) and used for accommodating the second magnetic ring assembly (23) is formed in the inner side wall of the outer shaft sleeve, and a second yoke assembly used for enhancing the magnetic field intensity of the second magnetic ring assembly (23) is arranged in the second annular groove.
5. A bottom bearing according to claim 4, wherein the first yoke assembly comprises a first circular yoke (11) for connecting with a vertical side wall of the first annular groove and capable of being connected with a side wall of the first magnetic ring assembly (13) far away from the outer sleeve (2) in an attracting manner, and two second circular yokes (12) respectively arranged above and below the first circular yoke (11) and the first magnetic ring assembly (13) and used for connecting the first magnetic ring assembly (13) with the first circular yoke (11);
the second yoke assembly comprises a third circular yoke (21) and two fourth circular yokes (22), wherein the third circular yoke (21) is used for being connected with the vertical side wall of the second annular groove and can be attracted and connected with the side wall, far away from the inner shaft sleeve (1), of the second magnet ring assembly (23), and the fourth circular yokes (22) are respectively arranged above and below the third circular yoke (21) and the second magnet ring assembly (23) and are used for being connected with the second magnet ring assembly (23) through the third circular yoke (21).
6. Bottom bearing according to any of claims 1 to 5, further comprising a first closing plate (14) arranged on the outside of the inner sleeve (1) for shielding the first magnet ring assembly (13) and a second closing plate (24) arranged on the inside of the outer sleeve (2) for shielding the second magnet ring assembly (23).
7. Bottom bearing according to claim 6, characterized in that the outer side walls of the first closing plate (14) and the inner sleeve (1) and the inner side walls of the second closing plate (24) and the outer sleeve (2) are glued by means of industrial glue.
8. A stirring installation comprising a bottom bearing according to any one of claims 1 to 7.
9. The stirring apparatus according to claim 8, further comprising a stirring shaft (10) passing through and fixedly connected to the bottom bearing in an axial direction of the bottom bearing, and a plurality of bracket assemblies disposed outside the bottom bearing for supporting the bottom bearing.
10. The mixing apparatus of claim 9, further comprising a mixing vessel for receiving said mixing shaft (10) and said bottom bearing, any of said bracket assemblies including a leg (6) disposed between said bottom bearing and said mixing vessel for supporting said bottom bearing;
one end of the supporting leg (6) is fixedly connected with the outer side wall of the bottom bearing through an ear seat (7); the other end of the supporting leg (6) is fixedly connected with the inner side wall of the stirring container through a backing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921085452.9U CN210206722U (en) | 2019-07-11 | 2019-07-11 | Stirring equipment and bottom bearing thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085452.9U CN210206722U (en) | 2019-07-11 | 2019-07-11 | Stirring equipment and bottom bearing thereof |
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| CN210206722U true CN210206722U (en) | 2020-03-31 |
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| CN201921085452.9U Active CN210206722U (en) | 2019-07-11 | 2019-07-11 | Stirring equipment and bottom bearing thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215876A (en) * | 2019-07-11 | 2019-09-10 | 杭州原正化学工程技术装备有限公司 | A kind of mixing plant and its base bearing |
| CN114082387A (en) * | 2021-12-08 | 2022-02-25 | 德清县虎马中环佳科技有限公司 | Modified biological glue binder preparation facilities |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215876A (en) * | 2019-07-11 | 2019-09-10 | 杭州原正化学工程技术装备有限公司 | A kind of mixing plant and its base bearing |
| CN114082387A (en) * | 2021-12-08 | 2022-02-25 | 德清县虎马中环佳科技有限公司 | Modified biological glue binder preparation facilities |
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Address after: 310012 room 1101, Kangxin business building, No. 569, Wensan Road, Xihu District, Hangzhou, Zhejiang Province Patentee after: Hangzhou Yuanzheng Engineering Technology Equipment Co.,Ltd. Address before: 310012 room 1101, Kangxin business building, No. 569, Wensan Road, Xihu District, Hangzhou, Zhejiang Province Patentee before: HANGZHOU YUANZHENG CHEMICAL ENGINEERING TECHNOLOGY AND EQUIPMENT Co.,Ltd. |
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