CN212075451U - Large-scale continuous fibers reinforcing nylon bearing roller - Google Patents
Large-scale continuous fibers reinforcing nylon bearing roller Download PDFInfo
- Publication number
- CN212075451U CN212075451U CN202020467188.1U CN202020467188U CN212075451U CN 212075451 U CN212075451 U CN 212075451U CN 202020467188 U CN202020467188 U CN 202020467188U CN 212075451 U CN212075451 U CN 212075451U
- Authority
- CN
- China
- Prior art keywords
- tooth
- fiber reinforced
- bearing
- continuous fiber
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
A large-scale continuous fiber reinforced nylon carrier roller comprises a mandrel, a bearing, a tooth-shaped bearing seat, a sealing ring, a tooth-shaped sealing end cover and a continuous fiber reinforced nylon roller; the bearings are tightly sleeved at the two ends of the mandrel in a matching manner; the tooth-shaped bearing seat is tightly matched and sleeved on the outer ring and the outer side of the bearing; the tooth-shaped sealing end covers are slidably sleeved at two ends of the mandrel and are fixedly connected with the outer side of the tooth-shaped bearing seat; the sealing ring is sleeved on the mandrel and clings to the outer side of the bearing inner ring; and the tooth structures of the tooth-shaped bearing seat and the tooth-shaped sealing end cover are embedded in the inner rings at two ends of the continuous fiber reinforced nylon roller. The large continuous fiber reinforced nylon carrier roller has the advantages of high strength, light weight, wear resistance, corrosion resistance, self lubrication, low noise, performance superior to national standard, and suitability for large-scale industrial production; the utility model discloses large-scale continuous fibers reinforcing nylon bearing roller fungible metal bearing roller is used for mine, harbour mineral to carry and equips and industrial automation carries and equips.
Description
Technical Field
The utility model relates to a bearing roller, concretely relates to large-scale continuous fibers reinforcing nylon bearing roller.
Background
In recent years, the industry of the conveying equipment in China is rapidly developed, and 3 billion industrial scales are formed, and the conveying equipment is widely applied to various industries such as ports, mines (including ore, coal and cement conveying equipment), grain depots, industrial automatic conveying equipment and the like. Among them, the carrier roller accounts for 15% of the industry, and has a market scale of about 450 hundred million. Because the mine and port conveying equipment runs outdoors for a long time and is eroded by wind, sand, dust, rainwater and the like, the major direction of the technical progress of the industry is how to solve the problems of corrosion prevention, dust prevention and noise reduction of the equipment.
At present, carrier rollers used by conveying equipment are mostly metal carrier rollers, and the metal carrier rollers have the characteristics of high strength, high bearing capacity, easiness in manufacturing and the like, but the metal carrier rollers generally have the defects of high noise, easiness in corrosion, no wear resistance, high weight, difficulty in installation and maintenance, high maintenance cost, short service life and the like, and particularly, the equipment has high operation noise, causes noise pollution to the periphery, and seriously affects the living environment of the surrounding people; meanwhile, the sealing protection, lubrication and maintenance of the roller bearing are difficult: on one hand, the existing carrier roller adopts a rubber sealing ring, rubber materials are not ageing-resistant and are easy to harden and lose elasticity, the rubber has poor wear resistance and is easy to wear, and after the carrier roller runs for a period of time, the used sealing ring loses the dustproof sealing effect after being worn, so that the bearing is damaged; on the other hand, the bearing lubricating oil is difficult to replace, and the bearing is abraded and damaged due to the fact that the lubricating oil is not replaced timely; the maintenance of the carrier roller becomes a great problem which puzzles the technical development of conveying equipment, in particular to the operation of mine, port, cement and metallurgy industries. Therefore, the industry urgently needs a corrosion-resistant, wear-resistant and light-weight non-metal carrier roller to replace the existing metal carrier roller so as to improve the service performance of conveying equipment and reduce the maintenance cost of the equipment.
The cast nylon has the characteristics of wear resistance, corrosion resistance and light weight, has successful application cases in a plurality of mechanical parts, but has small bearing capacity when being applied as a large carrier roller, and simultaneously has greater technical difficulty in processing and forming the large parts; and because the conveying equipment has a poor operation environment and the roller bearing has high sealing requirement, the key technologies cannot be solved for a long time, and no successful case of industrial application exists so far.
Therefore, the development of the high-strength non-metal carrier roller to replace the existing metal carrier roller has great significance and wide market prospect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide an intensity height, light, wear-resisting, corrosion-resistant, self-lubricating, the noise is low, operate steadily, the performance is superior to national standard, is adapted to large-scale industrial production's large-scale continuous fibers reinforcing nylon bearing roller.
The utility model provides a technical scheme that its technical problem adopted as follows: a large-scale continuous fiber reinforced nylon carrier roller comprises a mandrel, a bearing, a tooth-shaped bearing seat, a sealing ring, a tooth-shaped sealing end cover and a continuous fiber reinforced nylon roller; the bearings are tightly sleeved at the two ends of the mandrel in a matching manner; the tooth-shaped bearing seat is tightly matched and sleeved on the outer ring and the outer side of the bearing; the tooth-shaped sealing end covers are slidably sleeved at two ends of the mandrel and are fixedly connected with the outer side of the tooth-shaped bearing seat; the sealing ring is sleeved on the mandrel and clings to the outer side of the bearing inner ring; and the tooth structures of the tooth-shaped bearing seat and the tooth-shaped sealing end cover are embedded in the inner rings at two ends of the continuous fiber reinforced nylon roller. The utility model discloses the assembly integrated design thinking of large-scale continuous fibers reinforcing nylon bearing roller is the even running of guaranteeing the bearing roller, and the safe and steady operation of bearing still can be guaranteed in the maintenance of the sealed protection of bearing and bearing of bearing, prolongs the life of bearing roller, reduces and maintains the maintenance cost. The tooth-shaped bearing seat is tightly matched and sleeved on the outer ring and the outer side of the bearing, and the bearing is firmly fixed through the connection design. And epoxy structural adhesive is coated on the contact surfaces of the mandrel and the bearing, the tooth-shaped bearing seat and the bearing, the continuous fiber reinforced nylon roller inner ring, the sealing ring and the bearing, and the tooth-shaped sealing end cover and the continuous fiber reinforced nylon roller inner ring to strengthen the bonding force. More preferably, the tooth-shaped sealing end cover is fixedly connected with the tooth-shaped bearing seat through bolts, and the tooth-shaped sealing end cover and the tooth-shaped bearing seat are provided with corresponding bolt holes.
The utility model discloses an installation method is: after the mandrel is placed into the continuous fiber reinforced nylon roller, a bearing, a tooth-shaped bearing seat, a sealing ring and a tooth-shaped sealing end cover are sequentially sleeved on the mandrel, and the tooth structures of the tooth-shaped bearing seat and the tooth-shaped sealing end cover are embedded in inner rings at two ends of the continuous fiber reinforced nylon roller; the contact surfaces of the mandrel and the bearing, the tooth-shaped bearing seat and the bearing, the continuous fiber reinforced nylon roller inner ring, the sealing ring and the bearing, and the tooth-shaped sealing end cover and the continuous fiber reinforced nylon roller inner ring are coated with epoxy structural adhesive; and the tooth-shaped sealing end cover is fixedly connected with the tooth-shaped bearing seat through a bolt.
The utility model discloses a working process is: the fixed mandrel is fixed, and when a belt wound on the continuous fiber reinforced nylon roller moves, the continuous fiber reinforced nylon roller, the tooth-shaped bearing seat and the tooth-shaped sealing end cover which are embedded with the continuous fiber reinforced nylon roller, and the bearing outer ring which is tightly matched with the tooth-shaped bearing seat rotate relative to the mandrel.
Preferably, the material of the continuous fiber reinforced nylon roller is a composite material of continuous fibers and nylon resin.
Preferably, the mass content of the continuous fibers in the composite material of the continuous fibers and the nylon resin is 20-60% (more preferably 25-40%). More preferably, the nylon resin is cast nylon 6. Because the roller of the idler needs to bear larger pressure and torsion in the operation process, the roller material is required to have higher bending strength and higher rigidity. The bending strength and rigidity of the continuous fiber reinforced nylon roller are related to the content of continuous fibers, the higher the content of the continuous fibers is, the higher the strength of the composite material is, but the higher the content of the continuous fibers is, the more difficult the manufacturing of the composite roller is. Compared with a metal roller, the continuous fiber reinforced nylon roller has the advantage of light specific gravity, is 1/4 of the metal roller, can greatly reduce the weight of the carrier roller, and is more convenient to install and maintain because the weight of the carrier roller is greatly reduced; the continuous fiber reinforced nylon roller is adopted to replace a metal roller, so that the abrasion to the conveying belt can be reduced; the wear-resisting, corrosion-resistant, self-lubricating characteristics of continuous fibers reinforcing nylon bearing roller can improve the life of bearing roller, can effectively reduce the noise of carrying equipment operation.
Preferably, the continuous fiber is one or more of continuous glass fiber, continuous metal fiber, continuous carbon fiber, continuous basalt fiber, continuous aramid fiber or continuous polyphenylene oxide fiber. More preferably, the continuous fiber is one or more plain or twill continuous fiber cloth woven by the continuous fiber, or a composite of one or more continuous fiber cloth. Still more preferably, the length of the continuous fiber cloth is the same as that of the continuous fiber reinforced nylon roller, the width of the continuous fiber cloth is pi x the inner diameter of the continuous fiber reinforced nylon roller to pi x the outer diameter of the continuous fiber reinforced nylon roller, and the thickness of the continuous fiber cloth is 3-6 mm. In the continuous fiber cloth reinforced nylon, continuous fibers can be distributed in nylon resin in a monofilament form, the fiber length can reach the length of the roller, the strength of the roller is high, and the roller can bear larger load.
Preferably, the continuous fiber reinforced nylon roller has an outer diameter of 120-400 mm, an inner diameter of 80-360 mm, a length of 1600-3000 mm and a thickness of 30-60 mm. In addition to the high requirements for material properties, the roll is required to have a certain thickness, and the larger the thickness is, the larger the bearing capacity is, but if the thickness of the roll is too large, the weight is too large, and the cost is also too high. In practical application, the thickness of the roller is determined according to the application of the carrier roller or the required bearing capacity.
Preferably, the material of the mandrel is alloy steel. The grade of the alloy steel is preferably 40 CrNiMoA. The carrier roller of large-scale conveying equipment requires to have great bearing capacity, therefore, requires that the dabber material be high strength alloy steel.
Preferably, the length of the mandrel is 1800-3300 mm.
Preferably, two ends of the mandrel are provided with limiting steps with large outer diameters and small outer diameters in transition, the large outer diameters are 40-150 mm, and the difference between the large outer diameters and the small outer diameters is 5-15 mm. The limiting step is used for limiting the relative sliding of the bearing.
Preferably, the bearing is a double row cylindrical roller bearing. The carrier roller of large-scale conveying equipment has very high requirements on the strength and the wear resistance of the bearing, and the selected double-row cylindrical roller bearing can better meet the use requirements.
Preferably, the inner diameter of the bearing is the same as the small outer diameter of the mandrel, the outer diameter is 50-160 mm, and the thickness is 20-40 mm.
Preferably, the material of the toothed bearing seat is alloy steel. The grade of the alloy steel is preferably 40 CrNiMoA. The tooth-shaped bearing seat is used as a connecting part of the roller and the bearing.
Preferably, the diameter of the root circle of the toothed bearing seat is the same as the inner diameter of the continuous fiber reinforced nylon roller, and the difference between the outer diameter of the continuous fiber reinforced nylon roller and the diameter of the tooth crest circle of the toothed bearing seat is 8-20 mm.
Preferably, the inner ring of the toothed bearing seat is provided with a limiting step which is transited from a large inner ring to a small inner ring, the inner diameter of the large inner ring is the same as the outer diameter of the bearing, the thickness of the large inner ring is the same as the thickness of the bearing, the difference between the inner diameters of the large inner ring and the small inner ring is 5-15 mm, and the thickness of the small inner ring is 4-10 mm. The limiting step of the tooth-shaped bearing seat is matched with the limiting step of the mandrel to prevent the relative sliding of the bearings.
Preferably, the outer ring of the toothed bearing seat is of a trapezoidal or rectangular tooth structure.
Preferably, the length of the lower bottom edge of the trapezoidal tooth structure is 10-25 mm, the tooth height is 10-20 mm, the length of the upper bottom edge is 5-10 mm, and the thickness is 30-48 mm.
Preferably, the length of the upper side and the lower side of each rectangular tooth structure is 10-30 mm, the height of each rectangular tooth structure is 10-20 mm, and the thickness of each rectangular tooth structure is 30-48 mm.
Preferably, the material of the tooth-shaped sealing end cover is nylon or continuous fiber reinforced nylon. More preferably, the material of the tooth-shaped sealing end cover is completely the same as that of the continuous fiber reinforced nylon roller. The tooth-shaped sealing end cover used by the carrier roller of the utility model mainly plays a role in sealing and protects the bearing from being polluted. The nylon or the glass fiber reinforced nylon has higher strength, corrosion resistance, ageing resistance and light specific gravity, has good cohesiveness and the same thermal expansibility with the roller, has the same size change along with the environmental temperature, and can ensure that the sealing end cover and the roller keep good connectivity and sealing performance. The tooth-shaped sealing end cover is formed by injection molding.
Preferably, the inner diameter of the tooth-shaped sealing end cover is 1-4 mm larger than the small outer diameter of the mandrel and is 42-152 mm. The gap between the inner ring of the tooth-shaped sealing end cover and the mandrel is convenient for the rotation of the roller, but if the gap is too large, an oil film is not easily formed, and the purpose of preventing dust from entering is difficult to achieve.
Preferably, the diameter of the root circle of the tooth-shaped sealing end cover is the same as the inner diameter of the continuous fiber reinforced nylon roller, and the difference between the outer diameter of the continuous fiber reinforced nylon roller and the diameter of the tooth crest circle of the tooth-shaped sealing end cover is 8-20 mm.
Preferably, the thickness of the tooth-shaped sealing end cover is 12-22 mm. If the thickness of the tooth-shaped sealing end cover is too large, the concave processing length of the roller is large, and the bearing capacity of the roller is influenced.
Preferably, the outer ring of the tooth-shaped sealing end cover is of a trapezoidal or rectangular tooth structure.
Preferably, the length of the lower bottom edge of the trapezoidal tooth structure is 10-25 mm, the tooth height is 10-20 mm, the length of the upper bottom edge is 5-10 mm, and the thickness is 12-20 mm.
Preferably, the length of the upper side and the lower side of each rectangular tooth structure is 10-30 mm, the height of each rectangular tooth structure is 10-20 mm, and the thickness of each rectangular tooth structure is 12-20 mm.
Preferably, a lubricating oil inlet and outlet with the diameter of 4-10 mm is formed in the position, corresponding to the bearing ball, of the tooth-shaped sealing end cover. The lubricating oil inlet and outlet are sealed by bolts. The lubricating oil inlet and outlet are convenient for regularly replacing the lubricating oil of the bearing.
Preferably, the material of the sealing ring is nylon elastomer or silicon rubber. The sealing ring is formed by injection molding. The sealing ring needs to have excellent wear resistance, oil resistance, aging resistance and low temperature resistance, certain flexibility and better adhesion with a bearing.
Preferably, the inner diameter of the sealing ring is the same as the small outer diameter of the mandrel, the difference between the outer diameter and the inner diameter of the sealing ring is 5-15 mm, and the difference between the thickness of the small inner ring of the toothed bearing seat and the thickness of the sealing ring is 0.5-1.5 mm. The sealing ring is mainly used for protecting the bearing ball from being polluted by dust and isolating the dust.
The utility model has the advantages as follows:
(1) the large continuous fiber reinforced nylon carrier roller has the advantages of high strength, light weight, wear resistance, corrosion resistance, self lubrication, low noise and stable operation, and the performances of axial load, axial displacement, rotation resistance and the like are superior to the national standard GB/T10595-2015, so that the large continuous fiber reinforced nylon carrier roller is suitable for large-scale industrial production;
(2) the utility model discloses large-scale continuous fibers reinforcing nylon bearing roller fungible metal bearing roller is used for mine, harbour mineral to carry and equips and industrial automation carries and equips.
Drawings
Fig. 1 is a longitudinal sectional view of a large continuous fiber reinforced nylon carrier roller according to embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of a continuous glass fiber reinforced nylon roller in a large continuous fiber reinforced nylon idler roller according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a toothed bearing seat in a large-scale continuous fiber reinforced nylon carrier roller according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a tooth-shaped end cover in a large-scale continuous fiber reinforced nylon carrier roller according to embodiment 1 of the present invention.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
The mandrel used in the embodiment of the utility model is purchased from Jiuzhou transmission mechanical equipment Limited company in Tanzhou; the bearing model used was NN3014, purchased from luoyang bearing group ltd; the used sealing ring and the tooth-shaped sealing end cover are purchased from Rixin Plastic products Limited company of Taoise; the continuous fiber reinforced nylon roller used was purchased from engineering plastics limited of the age of continental. The components used in the embodiments of the present invention, unless otherwise specified, are commercially available in a conventional manner.
Embodiment 1 of a large continuous fiber reinforced nylon carrier roller
As shown in fig. 1-4, the large-scale continuous fiber reinforced nylon carrier roller comprises a mandrel 1, a bearing 2, a tooth-shaped bearing seat 3, a sealing ring 4, a tooth-shaped sealing end cover 5 and a continuous glass fiber reinforced nylon roller 6; the bearings 2 are tightly sleeved at two ends of the mandrel 1; the tooth-shaped bearing seat 3 is tightly matched and sleeved on the outer ring and the outer side of the bearing 2; the tooth-shaped sealing end covers 5 are slidably sleeved at two ends of the mandrel 1 and are fixedly connected with the outer side of the tooth-shaped bearing seat 3; the seal ring 4 is sleeved on the mandrel 1 and clings to the outer side of the inner ring of the bearing 2; the tooth structures of the tooth-shaped bearing seat 3 and the tooth-shaped sealing end cover 5 are embedded in the inner rings at two ends of the continuous fiber reinforced nylon roller 6;
the continuous glass fiber reinforced nylon roller 6 is made of a composite material of plain continuous glass fiber cloth and cast nylon 6, wherein the mass content of the plain continuous glass fiber cloth in the composite material is 35.0% (the specifications of the plain continuous glass fiber cloth are 2400 multiplied by 480 multiplied by 4mm in thickness, the weight is 12kg, and the weight of the cast nylon 6 is 22.3 kg); the continuous glass fiber reinforced nylon roller 6 is 180mm in outer diameter, 130mm in inner diameter, 2400mm in length and 53mm in thickness;
the mandrel 1 is made of alloy steel, and the grade is 40 CrNiMoA; the length of the mandrel 1 is 2700 mm; two ends of the mandrel 1 are provided with limiting steps 1-1 with large outer diameters and small outer diameters in transition, wherein the large outer diameter is 80mm, and the small outer diameter is 70 mm;
the bearing 2 is an NN3014 type double-row cylindrical roller bearing; the inner diameter of the bearing 2 is 70mm, the outer diameter is 110mm, and the thickness is 30 mm;
the tooth-shaped bearing seat 3 is made of alloy steel and is of a mark of 40 CrNiMoA; the diameter of the root circle of the toothed bearing seat 3 is 130 mm; the inner ring of the toothed bearing seat 3 is provided with a limiting step 3-1 which is transited from a large inner ring to a small inner ring, the inner diameter of the large inner ring is 110mm, the thickness of the large inner ring is 30mm, the inner diameter of the small inner ring is 25mm, and the thickness of the small inner ring is 8 mm; the outer ring of the tooth-shaped bearing seat 3 is of a trapezoidal tooth structure, and the size is as follows: the length of the lower bottom edge is 15 times the tooth height is 15 times the length of the upper bottom edge is 6 times the thickness is 36 mm;
the tooth-shaped sealing end cover 5 is made of continuous glass fiber reinforced nylon 6, the mass content of continuous glass fiber is 35.0%, and the tooth-shaped sealing end cover is formed by injection molding; the inner diameter of the tooth-shaped sealing end cover 5 is 72 mm; the diameter of a root circle of the tooth-shaped sealing end cover 5 is 130mm, and the thickness of the tooth-shaped sealing end cover is 15 mm; the outer ring of the tooth-shaped sealing end cover 5 is of a trapezoidal tooth structure, and the size is as follows: the length of the lower bottom edge is 15 times the tooth height is 15 times the length of the upper bottom edge is 6 times the thickness is 15 mm; a lubricating oil inlet and outlet 5-1 with the diameter of 10mm is arranged at the position of the tooth-shaped sealing end cover 5 corresponding to the ball of the bearing 2 and is sealed by a bolt; the tooth-shaped sealing end cover 5 is fixedly connected with the tooth-shaped bearing seat 3 by bolts, and the tooth-shaped sealing end cover 5 and the tooth-shaped bearing seat 3 are provided with corresponding bolt holes 5-2 and 3-2;
the sealing ring 4 is made of a nylon elastomer and is formed by injection molding, and the inner diameter of the sealing ring is 70mm, the outer diameter of the sealing ring is 80mm, and the thickness of the sealing ring is 7 mm;
and epoxy structural adhesive is coated on the contact surfaces of the mandrel 1 and the bearing 2, the toothed bearing seat 3 and the bearing 2, the inner ring of the continuous fiber reinforced nylon roller 6, the sealing ring 4 and the bearing 2, and the toothed sealing end cover 5 and the inner ring of the continuous fiber reinforced nylon roller 6.
The utility model discloses an installation method is: after a mandrel 1 is placed into a continuous fiber reinforced nylon roller 6, a bearing 2, a tooth-shaped bearing seat 3, a sealing ring 4 and a tooth-shaped sealing end cover 5 are sequentially sleeved on the mandrel 1, and tooth structures of the tooth-shaped bearing seat 3 and the tooth-shaped sealing end cover 5 are embedded in inner rings at two ends of the continuous fiber reinforced nylon roller 6; the contact surfaces of the mandrel 1 and the bearing 2, the tooth-shaped bearing seat 3 and the bearing 2, the inner ring of the continuous fiber reinforced nylon roller 6, the sealing ring 4 and the bearing 2, and the tooth-shaped sealing end cover 5 and the inner ring of the continuous fiber reinforced nylon roller 6 are coated with epoxy structural adhesive; the tooth-shaped sealing end cover 5 is fixedly connected with the tooth-shaped bearing seat 3 by bolts.
The utility model discloses a working process is: the fixed mandrel 1 is fixed, and when a belt wound on the continuous fiber reinforced nylon roller 6 moves, the continuous fiber reinforced nylon roller 6, the tooth-shaped bearing seat 3 and the tooth-shaped sealing end cover 5 which are embedded with the continuous fiber reinforced nylon roller and the outer ring of the bearing 2 which is tightly matched with the tooth-shaped bearing seat 3 rotate relative to the mandrel 1.
Embodiment 2 of a large continuous fiber reinforced nylon carrier roller
The embodiment of the present invention is different from embodiment 1 only in that: the continuous carbon fiber reinforced nylon roller 6 is made of a composite material of plain continuous carbon fiber cloth and cast nylon 6, wherein the mass content of the plain continuous carbon fiber cloth in the composite material is 25.2% (the specifications of the plain continuous carbon fiber cloth are 2400 multiplied by 480 multiplied by 4mm in thickness, the weight is 7.5kg, and the weight of the cast nylon 6 is 22.3 kg); the outer ring of the tooth-shaped bearing seat 3 is of a rectangular tooth structure, and the size is as follows: the upper bottom edge and the lower bottom edge are 15 multiplied by the tooth height and 15 multiplied by the thickness and 36 mm; the tooth-shaped sealing end cover 5 is made of continuous carbon fiber reinforced nylon 6, the mass content of the continuous carbon fiber is 25.2%, and the tooth-shaped sealing end cover is formed by injection molding; the outer ring of the tooth-shaped sealing end cover 5 is of a rectangular tooth structure, and the size is as follows: the upper and lower bottom sides 15 x the tooth height 15 x the thickness 15 mm. The same as in example 1.
The large continuous fiber reinforced nylon carrier rollers of examples 1 and 2 and the metal carrier roller have main performances according to GB/T10595-2015: the axial load, axial displacement and rotational resistance were tested and the results are shown in table 1.
Table 1 examples 1 and 2 and table of metal idler performance test results
As can be seen from table 1, the weight of the metal carrier roller is 2.5 times that of the large-scale continuous fiber reinforced nylon carrier roller in embodiment 1 of the present invention, and the weight of the metal carrier roller is 2.9 times that of the large-scale continuous fiber reinforced nylon carrier roller in embodiment 2 of the present invention; on the premise of equivalent axial load, the axial displacement and the rotation resistance of the large-scale continuous fiber reinforced nylon carrier roller in the embodiments 1 and 2 of the utility model are both smaller than those of a metal carrier roller; the embodiment of the utility model provides 1, 2 each item performance index of large-scale continuous fibers reinforcing nylon bearing roller all surpasss national standard, replaces the metal bearing roller with it and is used for mine, harbour mineral to carry equipment and industrial automation to carry and equip and have very wide prospect.
Claims (7)
1. The utility model provides a large-scale continuous fibers reinforcing nylon bearing roller which characterized in that: the device comprises a mandrel, a bearing, a tooth-shaped bearing seat, a sealing ring, a tooth-shaped sealing end cover and a continuous fiber reinforced nylon roller; the bearings are tightly sleeved at the two ends of the mandrel in a matching manner; the tooth-shaped bearing seat is tightly matched and sleeved on the outer ring and the outer side of the bearing; the tooth-shaped sealing end covers are slidably sleeved at two ends of the mandrel and are fixedly connected with the outer side of the tooth-shaped bearing seat; the sealing ring is sleeved on the mandrel and clings to the outer side of the bearing inner ring; and the tooth structures of the tooth-shaped bearing seat and the tooth-shaped sealing end cover are embedded in the inner rings at two ends of the continuous fiber reinforced nylon roller.
2. The large continuous fiber reinforced nylon idler roller according to claim 1, characterized in that: the outer diameter of the continuous fiber reinforced nylon roller is 120-400 mm, the inner diameter is 80-360 mm, the length is 1600-3000 mm, and the thickness is 30-60 mm.
3. The large continuous fiber reinforced nylon idler roller according to claim 1 or 2, characterized in that: the mandrel is made of alloy steel; the length of the mandrel is 1800-3300 mm; the two ends of the mandrel are provided with limiting steps with large outer diameters and small outer diameters in transition, the large outer diameters are 40-150 mm, and the difference between the large outer diameters and the small outer diameters is 5-15 mm.
4. The large continuous fiber reinforced nylon idler roller according to claim 1 or 2, characterized in that: the bearing is a double-row cylindrical roller bearing; the inner diameter of the bearing is the same as the small outer diameter of the mandrel, the outer diameter is 50-160 mm, and the thickness is 20-40 mm.
5. The large continuous fiber reinforced nylon idler roller according to claim 1 or 2, characterized in that: the tooth-shaped bearing seat is made of alloy steel; the diameter of a tooth root circle of the tooth-shaped bearing seat is the same as the inner diameter of the continuous fiber reinforced nylon roller, and the difference between the outer diameter of the continuous fiber reinforced nylon roller and the diameter of a tooth top circle of the tooth-shaped bearing seat is 8-20 mm; the inner ring of the tooth-shaped bearing seat is provided with a limiting step which is transited from a large inner ring to a small inner ring, the inner diameter of the large inner ring is the same as the outer diameter of the bearing, the thickness of the large inner ring is the same as the thickness of the bearing, the difference between the inner diameters of the large inner ring and the small inner ring is 5-15 mm, and the thickness of the small inner ring is 4-10 mm; the outer ring of the tooth-shaped bearing seat is of a trapezoidal or rectangular tooth structure; the lower bottom edge length of the trapezoidal tooth structure is 10-25 mm, the tooth height is 10-20 mm, the upper bottom edge length is 5-10 mm, and the thickness is 30-48 mm; the upper side length and the lower side length of each rectangular tooth structure are 10-30 mm, the height of each rectangular tooth structure is 10-20 mm, and the thickness of each rectangular tooth structure is 30-48 mm.
6. The large continuous fiber reinforced nylon idler roller according to claim 1 or 2, characterized in that: the tooth-shaped sealing end cover is made of nylon or continuous fiber reinforced nylon; the inner diameter of the tooth-shaped sealing end cover is 1-4 mm larger than the small outer diameter of the mandrel and is 42-152 mm; the diameter of a tooth root circle of the tooth-shaped sealing end cover is the same as the inner diameter of the continuous fiber reinforced nylon roller, and the difference between the outer diameter of the continuous fiber reinforced nylon roller and the diameter of a tooth crest circle of the tooth-shaped sealing end cover is 8-20 mm; the thickness of the tooth-shaped sealing end cover is 12-22 mm; the outer ring of the tooth-shaped sealing end cover is of a trapezoidal or rectangular tooth structure; the lower bottom edge length of the trapezoidal tooth structure is 10-25 mm, the tooth height is 10-20 mm, the upper bottom edge length is 5-10 mm, and the thickness is 12-20 mm; the upper side length and the lower side length of each rectangular tooth structure are 10-30 mm, the height of each rectangular tooth structure is 10-20 mm, and the thickness of each rectangular tooth structure is 12-20 mm; and a lubricating oil inlet and outlet with the diameter of 4-10 mm is arranged at the position of the tooth-shaped sealing end cover corresponding to the bearing ball.
7. The large continuous fiber reinforced nylon idler roller according to claim 1 or 2, characterized in that: the sealing ring is made of a nylon elastomer or silicon rubber; the inner diameter of the sealing ring is the same as the small outer diameter of the mandrel, the difference between the outer diameter and the inner diameter of the sealing ring is 5-15 mm, and the difference between the thickness of the small inner ring of the tooth-shaped bearing seat and the thickness of the sealing ring is 0.5-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467188.1U CN212075451U (en) | 2020-04-02 | 2020-04-02 | Large-scale continuous fibers reinforcing nylon bearing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467188.1U CN212075451U (en) | 2020-04-02 | 2020-04-02 | Large-scale continuous fibers reinforcing nylon bearing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212075451U true CN212075451U (en) | 2020-12-04 |
Family
ID=73563213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467188.1U Active CN212075451U (en) | 2020-04-02 | 2020-04-02 | Large-scale continuous fibers reinforcing nylon bearing roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212075451U (en) |
-
2020
- 2020-04-02 CN CN202020467188.1U patent/CN212075451U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212075451U (en) | Large-scale continuous fibers reinforcing nylon bearing roller | |
| CN201195635Y (en) | Modified super high molecular weight polyvinyl roller | |
| CN202828816U (en) | Modified ultra-high molecular weight poly ethylene impact idler | |
| CN202063527U (en) | Heavy composite material carrier roller | |
| CN207434438U (en) | A kind of new construction polyurethane fiber enhances composite material support roller | |
| CN201023961Y (en) | Belt conveyer support roller | |
| CN2887800Y (en) | Supporting roller | |
| CN201268505Y (en) | Nano wear resistant ceramic idler roller for conveyor | |
| CN1861500A (en) | Super high molecular weight polyethylene full plastic support roller | |
| CN201746065U (en) | Spiral cleaning carrier roller | |
| CN110817327A (en) | Double-layer composite carrier roller | |
| CN2459295Y (en) | Novel structure for increasing wearing-resistant property of conveying chain | |
| CN203558483U (en) | Wear-resistant anti-corrosion composite carrier roller for belt conveyor | |
| CN208560716U (en) | Composite material support roller | |
| CN2418116Y (en) | Cast-stone composite supporting roller | |
| CN201545477U (en) | Supporting roller for belt conveyer | |
| CN217417175U (en) | Steel-plastic composite structure carrier roller pipe body for coal conveying | |
| CN201305345Y (en) | Labyrinth nylon carrier roller | |
| CN204057053U (en) | A kind of spiral conveyor hanging hanging scroll bearing assembly | |
| CN2672004Y (en) | Plastic support roller | |
| CN213599806U (en) | Large rotary kiln riding wheel sealing device | |
| CN207917877U (en) | A kind of composite material support roller that dismounting is easy to maintain | |
| CN215923443U (en) | Novel durable abrasionproof conveying chain | |
| CN219057501U (en) | Conveying chain with novel abrasion-resistant edge rollers | |
| CN201305346Y (en) | Deflection-correcting wear-resistant cleaning carrier roller for belt conveyer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A large continuous fiber reinforced nylon idler Effective date of registration: 20210526 Granted publication date: 20201204 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA WUBEN NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021430000014 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |