CN221347616U - Novel cross axle type universal joint bearing - Google Patents

Abstract

The utility model discloses a novel cross shaft type universal joint bearing, which comprises a cross shaft and a plurality of bearings arranged on the cross shaft, wherein lubricating liquid is filled in the cross shaft, bearing bushes in the bearings comprise metal bases and lining cloth, the metal bases are made of precipitation hardening stainless steel, the lining cloth is mainly made of terylene, polytetrafluoroethylene fibers and presoaked rubber, and the surface of the lining cloth is provided with twill grains; the cross shaft is connected with a plurality of sealing assemblies, and the sealing assemblies are respectively positioned on one sides of the bearings. In the use process, after the lining cloth and the metal base are bonded and fixed through the adhesive, the bearing bush with self-lubricating performance is manufactured, and meanwhile, the bearing bush is matched with the cross shaft, so that the cross shaft type universal joint bearing has good self-lubricating performance and lower friction coefficient, and can operate under the working conditions of high load and high rotating speed for a long time.

Description

Novel cross axle type universal joint bearing

Technical Field

The utility model relates to the technical field of universal joint bearings, in particular to a novel cross shaft type universal joint bearing.

Background

The universal joint bearing refers to a mechanical structure for realizing power transmission of different shafts by utilizing spherical connection, is an important part of an automobile bearing, and is combined with a transmission shaft, and is called a universal joint transmission device, and the universal joint bearing is classified as: constant velocity universal thrust ball bearing joints, constant velocity universal joints, ball cage type universal joints, tripod type universal bearing joints, twin plant-joint type universal joints, and the like.

When the angle between the two rotating shafts is changed to transfer motion and torque, larger impact load and static load exist in the transmission process, and when the rotation speed of the transmission is higher, severe friction can be generated between the two friction surfaces. When the working environment is bad and the oil filling of the universal joint bearing is difficult, the long-time high-load and high-rotation-speed operation can accelerate the abrasion and failure of the universal joint bearing, thereby causing the damage of corresponding device parts.

Therefore, we propose a novel cross-shaft type universal joint bearing to solve the above problems.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present utility model provide a novel cross-shaft type universal joint bearing, so as to solve the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel cross shaft type universal joint bearing comprises a cross shaft and a plurality of bearings arranged on the cross shaft, wherein lubricating liquid is filled in the cross shaft, bearing bushes in the plurality of bearings comprise a metal base and lining cloth, the metal base is made of precipitation hardening stainless steel, the main material of the lining cloth is terylene, polytetrafluoroethylene fiber and presoaked rubber, and the surface of the lining cloth is provided with twill grains; the cross shaft is connected with a plurality of sealing assemblies, and the sealing assemblies are respectively positioned at one sides of the bearings; the cross shaft is connected with a driving assembly, the cross shaft is connected with a storage assembly, the driving assembly and the storage assembly are symmetrically arranged, and the storage assembly is provided with an oil filling port; a rotating assembly is arranged in the cross shaft, and two ends of the rotating assembly extend into the driving assembly and the storage assembly respectively; the rotating component is connected with a conducting component which is positioned in the cross shaft; the cross shaft is connected with a plurality of heat conduction components, a plurality of the heat conduction components are connected with cooling components, and a plurality of the heat conduction components are connected with heat dissipation components.

In the use process, after the lining cloth and the metal base are bonded and fixed through the adhesive, the bearing bush with self-lubricating performance is manufactured, and meanwhile, the bearing bush is matched with the cross shaft, so that the cross shaft type universal joint bearing has good self-lubricating performance and lower friction coefficient, and can operate under the working conditions of high load and high rotating speed for a long time.

In a preferred embodiment, the seal assembly comprises a dust-proof ring sleeved on the cross shaft, the dust-proof ring is positioned on one side of the bearing, two conical rings are fixedly connected to the side wall of the dust-proof ring and are positioned on one side of the bearing respectively, a protection ring is fixedly connected to the side wall of the dust-proof ring, and a plurality of balls contacted with the bearing are inlaid on the side wall of the protection ring.

In a preferred embodiment, the driving assembly comprises a protective cylinder penetrating through the surface of the cross shaft, a plurality of electromagnetic columns arranged in an annular array are arranged in the protective cylinder, and a first sealing cover is fixedly connected to the inner side wall at one end of the protective cylinder.

In a preferred embodiment, the storage component is including running through the storage section of thick bamboo that sets up in the cross axle surface, fixedly connected with second sealed lid on the one end inside wall of storage section of thick bamboo, be equipped with movable plectane in the storage section of thick bamboo, be equipped with the oiling mouth on the storage section of thick bamboo, the initial position of plectane is in the top of oiling mouth, it has lubricating grease to fill between plectane and the second sealed lid, the interior top fixedly connected with of storage section of thick bamboo passes two montants of plectane lateral wall, be equipped with two through-holes on the second sealed lid, storage section of thick bamboo and protection section of thick bamboo looks symmetry set up.

In a preferred embodiment, the rotating assembly comprises a rotating shaft arranged in the cross shaft, two ends of the rotating shaft respectively penetrate through a first sealing cover and a second sealing cover and extend into the protective cylinder and the storage cylinder, a plurality of magnetic columns matched with the electromagnetic columns are arranged on the surface annular array of the rotating shaft, first bearings are arranged at the connecting positions of the first sealing cover and the second sealing cover, and the rotating shaft is connected with the circular plate through reciprocating threads.

In a preferred embodiment, the conduction assembly comprises two turbine blades coaxially and fixedly connected with the side wall of the rotating shaft, a lantern ring is coaxially and fixedly connected with the side wall of the rotating shaft, two symmetrical scraping rods are fixedly connected with the side wall of the lantern ring, one ends of the two scraping rods are respectively located below the through holes, two second bearings are arranged on the lower end face of the second sealing cover, and friction cylinders respectively in contact with the two scraping rods are respectively connected in a rotating mode in the two second bearings.

In a preferred embodiment, the heat conduction assembly comprises a heat conduction box fixedly connected to the cross shaft, a plurality of first copper columns connected with the cross shaft are fixedly connected to the side wall of the heat conduction box, copper plates are fixedly connected to one ends of the first copper columns, and the copper plates are located inside the heat conduction box.

In a preferred embodiment, the cooling assembly comprises a plurality of second copper columns arranged in the heat conduction box, a cold liquid column is fixedly connected to the inner bottom of the heat conduction box, cooling liquid is filled in the cold liquid column, two ends of the second copper columns are respectively connected with the cold liquid column and the copper plate, and a plurality of heat dissipation holes are formed in the surface of the heat conduction box.

In a preferred embodiment, the heat dissipation assembly comprises a cross rod fixedly connected to the side wall of the heat conduction box, one end of the cross rod is fixedly connected with the breathing box, a sliding groove is formed in the inner side wall of the breathing box, a sliding block is connected to the sliding groove in a sliding mode, movable beads are fixedly connected to the side wall of the sliding block, two symmetrical openings are formed in the side wall of the breathing box, a breathing plate is arranged in each opening in a penetrating mode, springs connected with the breathing plate are fixedly connected to the inner side wall of each opening, a connecting plate is arranged between the two breathing plates, and the connecting plate is located on one side of the sliding block.

The utility model has the technical effects and advantages that:

In the use process, after the lining cloth and the metal base are bonded and fixed through the adhesive, the bearing bush with self-lubricating performance is manufactured, and the bearing bush is matched with the cross shaft, so that the cross shaft type universal joint bearing has good self-lubricating performance and lower friction coefficient, can operate under the working condition of high load and high rotating speed for a long time, simultaneously, the device has good sealing performance on the bearing, and can cool the cross shaft, thereby reducing the evaporation of lubricating oil, further prolonging the service time of the lubricating oil, and the device can periodically add lubricating grease into the cross shaft, thereby not requiring frequent addition of staff, reducing the working content of the staff, accelerating the flow of the lubricating oil, ensuring the good rotatability of the bearing bush, ensuring the rotating effect of the device to be better, and indirectly improving the practicability of the device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the connection structure of the present utility model;

FIG. 3 is a schematic view of the connection structure of the seal assembly of the present utility model;

FIG. 4 is a schematic view of a first partially cut-away connecting structure according to the present utility model;

FIG. 5 is a schematic view of a partially enlarged connection structure at A in FIG. 4;

FIG. 6 is a schematic view of a second partially cut-away connecting structure according to the present utility model;

FIG. 7 is a schematic view of a partially enlarged connection structure at B in FIG. 6;

FIG. 8 is a schematic view of the external connection structure of the heat conduction box according to the present utility model;

FIG. 9 is a schematic view of the internal connection structure of the heat conduction box according to the present utility model;

fig. 10 is a schematic diagram of a connection structure of a heat dissipating assembly according to the present utility model.

The reference numerals are: the device comprises a cross shaft, a 2 bearing, a 3 sealing component, a 31 dust-proof ring, a 32 conical ring, a 33 protection ring, 34 balls, a 4 oil filling port, a 5 driving component, a 51 protection cylinder, a 52 electromagnetic column, a 53 first sealing cover, a 6 storage component, a 61 storage cylinder, a 62 second sealing cover, a 63 circular plate, a 64 vertical rod, a 65 through hole, a 7 rotating component, a 71 rotating shaft, a 72 magnetic column, a 73 first bearing, a 74 reciprocating screw thread, an 8 conduction component, a 81 turbine blade, a 82 collar, a 83 scraping rod, a 84 second bearing, a 85 friction cylinder, a 9 heat conduction component, a 91 heat conduction box, a 92 first copper column, a 93 copper plate, a 10 cooling component, a 101 second copper column, a 102 heat dissipation hole, a 103 cold liquid column, a 11 heat dissipation component, a 111 cross rod, a 112 breathing box, a 113 sliding groove, a 114 sliding block, 115 moving beads, a 116 opening, a 117 breathing plate and a 118 connecting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a novel universal joint bearing comprises a cross shaft 1 and a plurality of bearings 2 arranged on the cross shaft 1, wherein lubricating liquid is filled in the cross shaft 1, bearing bushes in the bearings 2 comprise metal bases and lining cloth, the metal bases are made of precipitation hardening stainless steel, the precipitation hardening stainless steel 05Cr15Ni5Cu4Nb is adopted, the bearing capacity of the bearing can be improved, the self-lubricating performance of the bearing can be enhanced by using the lining cloth, the friction coefficient of the bearing is reduced, the abrasion loss of the bearing is further reduced, the main materials of the lining cloth are polyester, polytetrafluoroethylene fibers and prepreg, the surface of the lining cloth is provided with twill texture, and raw materials of the twill cloth are polyester and polytetrafluoroethylene fibers. The twill texture can enable more polytetrafluoroethylene fibers to appear on the front surface of the twill cloth, so that the twill cloth has good self-lubricating performance and lower friction coefficient, the presoaking glue is mixed glue, the main components of the presoaking glue comprise phenolic resin, carbon black, graphite powder, molybdenum disulfide, curing agent and reinforcing agent, and the mass ratio of the components is as follows: 92.5:0.5:1.5:1.5:2:2, after the manufacturing of the twill cloth and the prepreg glue is finished, the prepreg glue can be uniformly smeared on the surface of the prepreg cloth, then the prepreg cloth is placed on a vulcanizing machine for pressurization (1.5 MPa), heating and heat preservation, heat preservation is carried out for 1-2 hours at 75-80 ℃, heat preservation is carried out for 2-3 hours at 120-130 ℃, and natural cooling is carried out after the heating and heat preservation are finished. And machining the cooled prepreg cloth to ensure that the size and thickness of the prepreg cloth meet the design requirements, and forming the self-lubricating wear-resistant lining cloth by the prepreg cloth. After the lining cloth and the metal base are bonded and fixed by the adhesive, the bearing bush with self-lubricating performance is manufactured, and the bearing bush is matched with the cross shaft to complete the manufacture of the cross shaft type universal joint bearing.

Referring to fig. 3, a plurality of seal assemblies 3 are connected to the cross shaft 1, the seal assemblies 3 include a dust-stopping ring 31 sleeved on the cross shaft 1, the dust-stopping ring 31 is located at one side of the bearing 2, the dust-stopping ring 31 has functions of installing and supporting other parts, two conical rings 32 are fixedly connected to the side wall of the dust-stopping ring 31, the two conical rings 32 are located at one side of the bearing 2, the cross section of the conical rings 32 is triangular, so that one end of the conical rings 32 is lapped on the bearing 2, impurities and foreign matters can be further prevented from entering the joint of the bearing 2 and the cross shaft 1, a protecting ring 33 is fixedly connected to the side wall of the dust-stopping ring 31, a plurality of balls 34 in contact with the bearing 2 are inlaid on the side wall of the protecting ring 33, the plurality of seal assemblies 3 are located at one side of the plurality of bearings 2, meanwhile, the balls 34 can block relatively large impurities and foreign matters, and meanwhile the balls 34 can enable the bearing 2 to normally operate, the protecting ring 33 is cylindrical, and further foreign matters outside are prevented from contacting the bearing 2, so that the service life of the bearing 2 is prolonged.

Referring to fig. 4 and 6, a driving component 5 is connected to the cross shaft 1, the driving component 5 includes a protective cylinder 51 penetrating through the surface of the cross shaft 1, a plurality of electromagnetic columns 52 are disposed in the protective cylinder 51 in a ring array, and it is noted that the magnetic poles of two adjacent electromagnetic columns 52 are opposite, so that the rotating shaft 71 can rotate along with the magnetic columns 72 under the cooperation of use, further, the circular plate 63 can be moved, and a first sealing cover 53 is fixedly connected to the inner side wall at one end of the protective cylinder 51.

Referring to fig. 5, 6 and 7, the cross 1 is connected with the storage assembly 6, the storage assembly 6 includes a storage barrel 61 penetrating through the surface of the cross 1, grease is filled between a circular plate 63 and a second sealing cover 62, a second sealing cover 62 is fixedly connected to an inner side wall of one end of the storage barrel 61, a movable circular plate 63 is arranged in the storage barrel 61, an oil filling port 4 is arranged on the storage barrel 61, an initial position of the circular plate 63 is located above the oil filling port 4, two vertical rods 64 penetrating through the side wall of the circular plate 63 are fixedly connected to an inner top end of the storage barrel 61, two through holes 65 are arranged on the second sealing cover 62, and particularly, the cross section of each through hole 65 is trapezoid, so that the grease can be prevented from entering the upper part of the second sealing cover 62, a small-caliber discharge port is located below, a large-caliber feed port is located above, the storage barrel 61 and the protective barrel 51 are symmetrically arranged, and the driving assembly 5 and the storage assembly 6 are symmetrically arranged.

Referring to fig. 5, 6 and 7, a rotating assembly 7 is disposed in the cross 1, the rotating assembly 7 includes a rotating shaft 71 disposed in the cross 1, two ends of the rotating shaft 71 respectively pass through the first sealing cover 53 and the second sealing cover 62 and extend into the protective cylinder 51 and the storage cylinder 61, a plurality of magnetic columns 72 matched with the electromagnetic columns 52 are disposed on a surface annular array of the rotating shaft 71, a first bearing 73 is disposed at a connection position of the first sealing cover 53 and the second sealing cover 62, the rotating shaft 71 is in threaded connection with the circular plate 63 through a reciprocating thread 74, two ends of the rotating assembly 7 respectively extend into the driving assembly 5 and the storage assembly 6, wherein, particularly, the circular plate 63 is provided with an internal thread, and with the aid of the reciprocating thread 74 and the vertical rod 64, the circular plate 63 can be normally moved, so that grease can be discharged, and normal lubrication of the device is further ensured.

Referring to fig. 5, 6 and 7, the rotating assembly 7 is connected with the conducting assembly 8, and the conducting assembly 8 is located inside the cross shaft 1, the conducting assembly 8 includes two turbine blades 81 coaxially and fixedly connected with the side wall of the rotating shaft 71, a sleeve ring 82 coaxially and fixedly connected with two symmetrical scraping rods 83 on the side wall of the sleeve ring 82, one ends of the two scraping rods 83 are located below the through holes 65 respectively, notches are formed at the top ends of the scraping rods 83, when grease is discharged, the scraping rods 83 can scrape the grease to one side, so that a part of the grease is prevented from accumulating on one side of the through holes 65, two second bearings 84 are arranged at the lower end face of the second sealing cover 62, and friction drums 85 respectively contacted with the two scraping rods 83 are rotationally connected in the two second bearings 84, wherein, particularly, the friction drums 85 and the scraping rods 83 are in contact and recovered, the scraping rods 83 can generate heat, and further soften the heat, so that the grease can be quickly melted in the lubricating oil.

In actual operation, when the electromagnetic column 52 works, under the assistance of the magnetic column 72, and simultaneously when the cross shaft 1 moves, the lubricating oil in the cross shaft 1 can be continuously moved, so that the turbine blade 81 can be rotated along with the rotation, under the assistance of multiple forces, the rotating shaft 71 can be rotated, and under the assistance of the reciprocating screw thread 74 and the vertical rod 64, the circular plate 63 can be moved along with the rotation, and particularly, the distance between the reciprocating screw thread 74 is relatively large, so that the moving speed of the circular plate is relatively slow, the circular plate 63 can be enabled to squeeze the lubricating grease out of the through hole 65 along with the rotation, and meanwhile, when the rotating shaft 71 rotates, the sleeve ring 82 can be rotated, so that the scraping rod 83 can be rotated, and meanwhile, when the scraping rod 83 rotates, the scraping rod 83 and the friction cylinder 85 can be contacted, and particularly, the material of the scraping rod 83 is a heat conducting material, so that the lubricating grease accumulated on the scraping rod 83 can be rapidly softened, and the lubricating grease can be melted in the lubricating oil, so that the lubricating grease of the device can be increased regularly, the lubricating grease of the device can be further ensured, and the normal practical effect of the device can be further ensured, and the device can be used.

Referring to fig. 8 and 9, a plurality of heat conducting components 9 are connected to the cross 1, the heat conducting components 9 include a heat conducting box 91 fixedly connected to the cross 1, a plurality of first copper columns 92 connected to the cross 1 are fixedly connected to the side wall of the heat conducting box 91, copper plates 93 are fixedly connected to one ends of the first copper columns 92, and the copper plates 93 are located inside the heat conducting box 91, wherein, particularly, the first copper columns 92 can transfer heat on the cross 1 to the inside of the heat conducting box 92.

Referring to fig. 9 and 10, the plurality of heat conduction components 9 are connected with a cooling component 10, the cooling component 10 comprises a plurality of second copper columns 101 arranged in a heat conduction box 91, a cold liquid column 103 is fixedly connected to the inner bottom of the heat conduction box 91, cooling liquid is filled in the cold liquid column 103, two ends of the plurality of second copper columns 101 are respectively connected with the cold liquid column 103 and a copper plate 93, a plurality of heat dissipation holes 102 are formed in the surface of the heat conduction box 91, and heat on the cross shaft 1 can be processed with the aid of the second copper columns 101 and the cooling liquid 103.

Referring to fig. 10, the heat dissipation assemblies 11 are connected to the heat conduction assemblies 9, the heat dissipation assemblies 11 include a cross rod 111 fixedly connected to the side wall of the heat conduction box 91, one end of the cross rod 111 is fixedly connected with a respiration box 112, a chute 113 is arranged on the inner side wall of the respiration box 112, a sliding block 114 is slidingly connected to the chute 113, a movable bead 115 is fixedly connected to the side wall of the sliding block 114, two symmetrical openings 116 are arranged on the side wall of the respiration box 112, a respiration plate 117 is arranged in the two openings 116 in a penetrating manner, a spring connected with the respiration plate 117 is fixedly connected to the inner side wall of the opening 116, a connecting plate 118 is arranged between the two respiration plates 117, and the connecting plate 118 is arranged on one side of the sliding block 114.

In actual operation, when the cross 1 continuously runs, the sliding block 114 can move in the sliding groove 113, so that the moving bead 115 can move along with the sliding block, the connecting plate 118 can be extruded by the moving bead 115 to move along with the sliding block, meanwhile, the breathing plate 117 can move left and right along with the sliding block, when the connecting plate 118 moves, the flow rate of air can be increased along with the sliding block, so that external cold gas can enter the breathing box 91, the first copper column 92, the second copper column 101 and the cold liquid column 103 can dissipate heat, so that the cross 1 can keep good running temperature, meanwhile, the breathing plate 117 is matched with the opening 116, the breathing plate 117 can be reset along with the assistance of a spring, the next normal running of the device is further avoided, the situation that the lubricating oil evaporates too fast is avoided, the service time of the lubricating oil is prolonged indirectly, and the practicability of the device is improved.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. A novel cross axle type universal joint bearing is characterized in that; the novel cross shaft comprises a cross shaft (1) and a plurality of bearings (2) arranged on the cross shaft (1), wherein lubricating liquid is filled in the cross shaft (1), bearing bushes in the plurality of bearings (2) comprise metal bases and lining cloth, the metal bases are made of precipitation hardening stainless steel, the lining cloth is mainly made of terylene, polytetrafluoroethylene fibers and presoaked rubber, and the surface of the lining cloth is provided with twill grains; the cross shaft (1) is connected with a plurality of sealing assemblies (3), and the sealing assemblies (3) are respectively positioned at one sides of the bearings (2); the cross shaft (1) is connected with a driving assembly (5), the cross shaft (1) is connected with a storage assembly (6), the driving assembly (5) and the storage assembly (6) are symmetrically arranged, and the storage assembly (6) is provided with an oil filling port (4); a rotating assembly (7) is arranged in the cross shaft (1), and two ends of the rotating assembly (7) extend into the driving assembly (5) and the storage assembly (6) respectively; the rotating assembly (7) is connected with a conducting assembly (8), and the conducting assembly (8) is positioned in the cross shaft (1); the cross shaft (1) is connected with a plurality of heat conduction components (9), a plurality of the heat conduction components (9) are connected with cooling components (10), and a plurality of the heat conduction components (9) are connected with heat dissipation components (11).

2. The novel cross-shaft type universal joint bearing according to claim 1, wherein: seal assembly (3) are including cup jointing dust ring (31) on cross axle (1), dust ring (31) are in one side of bearing (2), fixedly connected with two toper circles (32) on the lateral wall on dust ring (31), two toper circles (32) are in one side of bearing (2) respectively, fixedly connected with protection ring (33) on the lateral wall of dust ring (31), inlay on the lateral wall of protection ring (33) have a plurality of ball (34) that contact with bearing (2).

3. The novel cross-shaft type universal joint bearing according to claim 1, wherein: the driving assembly (5) comprises a protection cylinder (51) penetrating through the surface of the cross shaft (1), a plurality of electromagnetic columns (52) which are arranged in an annular array are arranged in the protection cylinder (51), and a first sealing cover (53) is fixedly connected to the inner side wall of one end of the protection cylinder (51).

4. A novel cross-shaft type universal joint bearing according to claim 3, wherein: the storage assembly (6) comprises a storage cylinder (61) penetrating through the surface of the cross shaft (1), a second sealing cover (62) is fixedly connected to the inner side wall of one end of the storage cylinder (61), a movable circular plate (63) is arranged in the storage cylinder (61), an oil filling opening (4) is arranged on the storage cylinder (61), the initial position of the circular plate (63) is located above the oil filling opening (4), lubricating grease is filled between the circular plate (63) and the second sealing cover (62), two vertical rods (64) penetrating through the side wall of the circular plate (63) are fixedly connected to the inner top end of the storage cylinder (61), two through holes (65) are formed in the second sealing cover (62), and the storage cylinder (61) and the protection cylinder (51) are symmetrically arranged.

5. The novel cross-shaft type universal joint bearing according to claim 4, wherein: the rotating assembly (7) comprises a rotating shaft (71) arranged inside the cross shaft (1), two ends of the rotating shaft (71) respectively penetrate through a first sealing cover (53) and a second sealing cover (62) and extend into a protection cylinder (51) and a storage cylinder (61), a plurality of magnetic columns (72) matched with the electromagnetic columns (52) are arranged on the surface annular array of the rotating shaft (71), first bearings (73) are arranged at the connecting positions of the first sealing cover (53) and the second sealing cover (62), and the rotating shaft (71) is in threaded connection with a circular plate (63) through reciprocating threads (74).

6. The novel cross-shaft type universal joint bearing according to claim 5, wherein: the conduction assembly (8) comprises two turbine blades (81) which are coaxially and fixedly connected with the side wall of a rotating shaft (71), a lantern ring (82) is coaxially and fixedly connected with the side wall of the rotating shaft (71), two symmetrical scraping rods (83) are fixedly connected with the side wall of the lantern ring (82), one ends of the two scraping rods (83) are respectively located below the through holes (65), two second bearings (84) are arranged on the lower end face of the second sealing cover (62), and friction cylinders (85) which are respectively in contact with the two scraping rods (83) are respectively and rotatably connected in the second bearings (84).

7. The novel cross-shaft type universal joint bearing according to claim 1, wherein: the heat conduction assembly (9) comprises a heat conduction box (91) fixedly connected to the cross shaft (1), a plurality of first copper columns (92) connected with the cross shaft (1) are fixedly connected to the side wall of the heat conduction box (91), copper plates (93) are fixedly connected to one ends of the first copper columns (92), and the copper plates (93) are located inside the heat conduction box (91).

8. The novel cross-shaft type universal joint bearing according to claim 7, wherein: the cooling assembly (10) comprises a plurality of second copper columns (101) arranged in the heat conduction box (91), cold liquid columns (103) are fixedly connected to the inner bottom of the heat conduction box (91), cooling liquid is filled in the cold liquid columns (103), two ends of the second copper columns (101) are respectively connected with the cold liquid columns (103) and copper plates (93), and a plurality of heat dissipation holes (102) are formed in the surface of the heat conduction box (91).

9. The novel cross-shaft type universal joint bearing according to claim 8, wherein: the heat dissipation assembly (11) comprises a cross rod (111) fixedly connected to the side wall of the heat conduction box (91), one end of the cross rod (111) is fixedly connected with a breathing box (112), a sliding groove (113) is formed in the inner side wall of the breathing box (112), a sliding block (114) is connected to the sliding groove (113) in a sliding mode, movable beads (115) are fixedly connected to the side wall of the sliding block (114), two symmetrical openings (116) are formed in the side wall of the breathing box (112), breathing plates (117) are respectively arranged in the openings (116) in a penetrating mode, springs connected with the breathing plates (117) are fixedly connected to the inner side walls of the openings (116), and connecting plates (118) are arranged between the two breathing plates (117), and the connecting plates (118) are located on one sides of the sliding blocks (114).