CN215002857U - Supporting unit assembly for supporting wheel shaft of rotary kiln - Google Patents

Abstract

The utility model discloses a rotary kiln riding wheel axle support unit assembly, concretely relates to rotary kiln technical field, its technical scheme is: including riding wheel and riding wheel axle, the riding wheel axle is installed the riding wheel inner wall still includes: the bearing upper cover I and the bearing upper cover II are arranged at the lower end of the riding wheel shaft; bearing upper cover lower extreme installation bearing base one, two lower extreme installation bearing base two of bearing upper cover, side-mounting spherical tile under the riding wheel axle, the beneficial effects of the utility model are that: the integral bimetallic bearing bush avoids the deformation of the bearing after loading, can save the scraping process time and the process cost, adopts the wear-resistant copper alloy and the arc deposition process, has high process efficiency, high bonding strength of the alloy after welding, compact structure after welding, effectively improved bearing capacity and wear resistance and enhanced product structure and strength.

Description

Supporting unit assembly for supporting wheel shaft of rotary kiln

Technical Field

The utility model relates to a rotary kiln field, concretely relates to rotary kiln riding wheel axle support unit assembly.

Background

The rotary kiln is used as a heart device of a cement plant, the quality of the operation of the rotary kiln directly affects the yield and the operation rate of the whole cement plant, a rotary kiln riding wheel device bears the weight of the whole kiln body and generally mainly comprises a set of weights of a cylinder, lining bricks, a heat exchange device, materials, rolling rings and gear rings, the rotary kiln riding wheel and bearing structures mainly have the functions of enabling the cylinder and the rolling rings to stably rotate at a low speed on the riding wheel, the riding wheel supports the rotary kiln to operate, the riding wheel bearing supports the rotary kiln to normally operate, and the riding wheel bearing of the rotary kiln generally has two forms: the rolling bearing has the advantages of small volume, lubricating oil saving, good sealing, difficult leakage, flexible kiln adjustment, power saving and capability of reducing the load of a transmission system; and secondly, the sliding bearing is generally adopted on a large-scale kiln, and has the advantages of strong bearing capacity, stable and reliable work and no noise.

The prior art has the following defects: the existing rotary kiln riding wheel bearing is of a multilayer combined structure, the structure is formed by combining a lining tile and a supporting aligning spherical tile, the common materials of the lining tile are zinc alloy and copper alloy materials, the equipment and the material load of a rotary kiln are heavy, the lining tile is very easy to deform before and after installation due to thin wall of the lining tile, the original drawing size fails after deformation, the change on the size needs to be compensated by scraping on site, the scraping requirement is high, the workload is large, the scraping requirement is not met, the bearing alloy is easily damaged due to the rise of the temperature of the bearing tile after starting, the phenomena of tile surface wire drawing, gluing, abrasion and the like are included, in site installation, the matching contact surface and the matching side gap of the traditional structure type lining tile and the riding wheel shaft are always scraped and ground by manpower which wastes time and labor repeatedly, the whole installation process is complicated, the installation difficulty and the installation cost are high, and the installation of the conventional type kiln riding wheel shaft is nearly half a month, greatly increasing installation cycle time and cost.

Therefore, the utility model discloses a rotary kiln riding wheel axle support unit assembly is very necessary.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a rotary kiln riding wheel axle supporting unit assembly, through integral bimetal axle bush, it warp after avoiding the bearing to bear the load, can save the process time and the process cost of scraping, the alloy adopts wear-resisting copper alloy simultaneously, the alloy adopts arc deposition's technology, high process efficiency, it is high to weld back alloy bonding strength, it is fine and close to organize after welding, bearing capacity and wear resistance effectively obtain promoting, product structure and intensity reinforcing, constitute with the spherical tile in order to solve traditional rotary kiln bearing structure lining tile, the lining tile is as the constitutional unit of components of a whole that can function independently, the wall is thin, the installation bears the load and forms great deformation afterwards, original bearing design and processing parameter size inefficacy, need just can guarantee the problem of assembly requirement through the repeated scraping.

In order to achieve the above object, the present invention provides the following technical solutions: a rotary kiln riding wheel shaft supporting unit assembly comprises a riding wheel and a riding wheel shaft, wherein the riding wheel shaft is arranged on the inner wall of the riding wheel, and the rotary kiln riding wheel shaft supporting unit assembly further comprises: the bearing upper cover I and the bearing upper cover II are arranged at the lower end of the riding wheel shaft;

the bearing device is characterized in that a bearing base I is installed at the lower end of a bearing upper cover, a bearing base II is installed at the lower end of a bearing upper cover, a spherical tile is installed on the lower side of a supporting wheel shaft, an oil scoop is installed at the lower end of the spherical tile, an oil tray frame is installed on the upper side of the supporting wheel shaft, an oil tray is installed at the upper end of the oil tray frame, a thrust ring is installed on the upper side of the supporting wheel shaft, and a retaining ring is installed on the right side of the thrust ring.

Preferably, the oil pointer is installed at the right end of the bearing base, and the end covers are installed at the right ends of the bearing upper cover II and the bearing base.

Preferably, the right end of the retainer ring is provided with a first hexagon bolt, and the upper end of the riding wheel shaft is provided with a screw.

Preferably, the spring washer is fixedly installed at the right end of the spherical tile, the single-lug stop washer is installed at the right end of the spring washer, the hexagon bolt is installed at the right end of the single-lug stop washer, and the pressing block is installed at the lower end of the spherical tile.

Preferably, the right upper end of the spherical tile is provided with a second hexagon bolt, the left upper end of the spherical tile is provided with a third hexagon bolt and a spherical screw, and the left upper end of the spherical tile is provided with a pressure head.

Preferably, a sealing ring is installed at the upper end of the supporting roller shaft, a felt is installed at the upper end of the sealing ring, a pressing ring is installed at the upper end of the felt, a retaining ring is installed on the inner side of the pressing ring, a hole cover is installed on the upper side of the retaining ring, a sliding rod is installed at the lower end of the hole cover, a sliding sleeve is sleeved at the lower end of the sliding rod, oil scraping rubber is fixedly installed at the lower end of the sliding sleeve, and a cylindrical pin is installed on the outer wall of the sliding rod.

Preferably, the inner wall of the oil pan is provided with a hexagon bolt IV, and the upper end of the hexagon bolt IV is provided with a hexagon nut.

Preferably, an inner mounting connecting pipe of the bearing base is arranged, a gasket is arranged at the right end of the connecting pipe, a pipe joint is arranged on the inner side of the gasket, a hexagon bolt is arranged on the inner wall of the bearing base, a clamp nail is inserted into the inner wall of the bearing base, and a connecting pipe left end mounting joint is arranged.

Preferably, the bearing upper cover is provided with a blocking cover on the outer wall, the rubber ring is arranged on the inner side of the blocking cover, the sealing rubber ring is arranged at the side end of the rubber ring, the protection ring is arranged on the outer side of the sealing rubber ring, and the cover plate is arranged on the outer side of the rubber ring.

Preferably, a heater and a temperature measuring element are installed at one side end of the bearing base, a lifting bolt is installed on the inner wall of the bearing upper cover, and a hexagon bolt is installed on the outer wall of the lifting bolt.

The utility model has the advantages that:

1. the bearing alloy layer and the spherical tile are compounded into a whole, the arc deposition process is adopted for cladding, the bearing alloy and the spherical tile cast iron matrix are compounded, the bearing alloy layer is thin, the strength and the wear resistance are higher, and the serious deformation after the split installation and loading is avoided;

2. the spherical bearing bush and the riding wheel shaft are matched by a large clearance, an inner hole of the spherical bearing bush adopts an elliptical bush structure, the center of the inner hole of the bearing bush is offset from the axis of the riding wheel, the size of the spherical bearing bush adopts 6-7-grade precision requirements, the contact surface, the contact angle and the matching side clearance of the shaft positions of the bearing bush and the riding wheel shaft are ensured in a machining mode, the contact angle is set to be a structure with a small contact angle of 30-45 degrees, and the dynamic pressure lubrication effect is effectively improved;

3. the inner hole of the spherical bearing bush is designed to be free of scraping, so that the scraping working time and cost are greatly reduced, and the installation and debugging period of the bearing unit is shortened.

Drawings

Fig. 1 is a perspective view of a supporting unit assembly of a supporting roller shaft of a rotary kiln provided by the present invention;

fig. 2 is a structural diagram of a supporting unit assembly of a rotary kiln riding wheel shaft provided by the utility model;

fig. 3 is a right side view of a spherical tile in a supporting unit assembly of a supporting roller shaft of a rotary kiln provided by the present invention;

fig. 4 is a left side view of a supporting unit assembly of a supporting roller shaft of a rotary kiln provided by the present invention;

fig. 5 is a schematic view illustrating an installation of a sealing rubber ring in a supporting unit assembly of a supporting roller shaft of a rotary kiln provided by the present invention;

fig. 6 is a schematic view illustrating an installation of a connection pipe in a supporting unit assembly of a supporting roller shaft of a rotary kiln according to the present invention;

fig. 7 is a mounting structure diagram of the oil scraping rubber in the supporting unit assembly of the supporting roller shaft of the rotary kiln provided by the utility model;

fig. 8 is a mounting structure diagram of a cover in a supporting unit assembly of a rotary kiln riding wheel shaft provided by the utility model.

In the figure: the oil pointer comprises an oil pointer 1, an end cover 2, a bearing base I3, a bearing upper cover I4, a riding wheel 5, a riding wheel shaft 6, an oil pan 7, a bearing upper cover II 8, an oil scoop 9, a thrust ring 10, a lifting bolt 11, a spherical tile 12, a bearing base II 13, a retaining ring 14, a hexagon bolt I15, a single-lug stop washer 16, a hexagon head bolt 17, a spring washer 18, a pressing block 19, a hexagon bolt II 20, a spherical screw 21, a pressing head 22, a hexagon bolt III 23, a hole cover 24 and a sliding sleeve 25, the device comprises a sliding rod 26, a cylindrical pin 27, oil scraping rubber 28, a pressing ring 29, a sealing ring 30, a baffle ring 31, a felt 32, an oil pan frame 33, a hexagon bolt IV 34, a hexagon nut 35, a pipe joint 36, a gasket 37, a screw 38, a clamp 39, a protective ring 40, a baffle cover 41, a rubber ring 42, a sealing rubber ring 43, a cover plate 44, a heater 45, a connecting pipe 46, a joint 47, a temperature measuring element 48, a hexagon bolt V49 and a hexagon bolt VI 50.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-8, the present invention provides a supporting unit assembly for supporting a supporting roller shaft of a rotary kiln, which comprises a supporting roller 5 and a supporting roller shaft 6;

further, the riding wheel shaft 6 is installed on the inner wall of the riding wheel 5, and further comprises: the bearing upper cover I4 and the bearing upper cover II 8 are arranged at the lower end of the riding wheel shaft 6, specifically, the riding wheel 5 and the riding wheel shaft 6 cannot be inverted during installation, the symmetric deviation does not exceed a positive and negative one after assembly, the riding wheel shaft 6 has the function of supporting the normal operation of the rotary kiln, the riding wheel 5 has the function of installing the riding wheel shaft 6, and the bearing upper cover I4 and the bearing upper cover II 8 have the function of packaging the riding wheel shaft 6;

the lower end of the bearing upper cover I4 is provided with a bearing base I3, the lower end of the bearing upper cover II 8 is provided with a bearing base II 13, the lower side of the idler shaft 6 is provided with a spherical tile 12, the lower end of the spherical tile 12 is provided with an oil scoop 9, the upper side of the idler shaft 6 is provided with an oil tray 33, the upper end of the oil tray 33 is provided with an oil pan 7, the upper side of the idler shaft 6 is provided with a thrust ring 10, the right side of the thrust ring 10 is provided with a retainer ring 14, concretely, the bearing base I3 and the bearing base II 13 have the function of packaging the idler shaft 6, the spherical tile 12 and a lining tile material are designed into a whole, a new electric arc deposition process is adopted to clad copper alloy in a 0.8-1.2mm welding wire state on the surface of a spherical tile base body, the original single lining tile is designed into high-strength to be attached to a steel base body so as to promote the combination between the alloy and the steel base body, the strength of a bearing alloy layer is promoted, and the casting and the processing cost of the single lining tile is greatly saved, the integral bearing bush structure avoids the deformation risk of mounting a bearing rear lining bush, a large clearance fit is adopted between the spherical bush 12 and the riding wheel shaft 6, the inner hole of the spherical bush 12 adopts an elliptical bush structure, the center of the inner hole of the bearing bush is offset with the axis of the riding wheel 5, the size of the spherical bush 12 adopts a 6-7-grade precision requirement, the contact surface, the contact angle and the matching side clearance of the axial position of the bearing bush and the riding wheel shaft are ensured in a machining mode, the contact angle is set to be a 30-45-degree small contact angle structure, the dynamic pressure lubrication effect is effectively improved, each side of the side clearance is kept at 0.36-0.50, the oil scoop 9 is used for spraying and pouring lubricating oil on the clearance between the riding wheel shaft 6 and the shaft to form a dynamic pressure oil film, the oil tray frame 33 is used for supporting the oil tray 7, the oil tray 7 is used for storing the lubricating oil, the thrust ring 10 is used for stopping the riding wheel shaft 6, and the retainer ring 14 is used for protecting the thrust ring 10;

furthermore, an oil pointer 1 is arranged at the right end of the second bearing base 13, and an end cover 2 is arranged at the right ends of the second bearing upper cover 8 and the second bearing base 13, specifically, the oil pointer 1 has the function of conveniently observing the oil quantity, the end cover 2 has the function of closing the second bearing upper cover 8 and the second bearing base 13, and the device is symmetrically arranged;

further, a first hexagon bolt 15 is mounted at the right end of the retainer ring 14, a screw 38 is mounted at the upper end of the idler shaft 6, specifically, the first hexagon bolt 15 has the function of mounting the retainer ring 14, and the screw 38 has the function of mounting the thrust ring 10;

further, a spring washer 18 is fixedly arranged at the right end of the spherical tile 12, a single-lug stop washer 16 is arranged at the right end of the spring washer 18, a hexagonal bolt 17 is arranged at the right end of the single-lug stop washer 16, a pressing block 19 is arranged at the lower end of the spherical tile 12, specifically, the spring washer 18 has the function of fixing the single-lug stop washer 16, the single-lug stop washer 16 has the function of stopping, the hexagonal bolt 17 has the function of fixing the single-lug stop washer 16, and the pressing block 19 has the function of pressing the spherical tile 12;

further, a second hexagon bolt 20 is mounted at the upper end of the right side of the spherical tile 12, a third hexagon bolt 21 and a third hexagon bolt 23 are mounted at the upper end of the left side of the spherical tile 12, and a pressure head 22 is mounted at the upper end of the left side of the spherical tile 12, specifically, the second hexagon bolt 20 and the third hexagon bolt 21 have the function of packaging two ends of the spherical tile 12, the third hexagon bolt 23 has the function of mounting the pressure head 22, and the pressure head 22 has the function of conveniently pressing the spherical tile 12;

further, a sealing ring 30 is installed at the upper end of the idler shaft 6, a felt 32 is installed at the upper end of the sealing ring 30, a pressing ring 29 is installed at the upper end of the felt 32, a retaining ring 31 is installed at the inner side of the pressing ring 29, a hole cover 24 is installed at the upper side of the retaining ring 31, a sliding rod 26 is installed at the lower end of the hole cover 24, a sliding sleeve 25 is sleeved at the lower end of the sliding rod 26, oil scraping rubber 28 is fixedly installed at the lower end of the sliding sleeve 25, a cylindrical pin 27 is installed on the outer wall of the sliding rod 26, specifically, the sealing ring 30 has a sealing effect on the idler shaft 6, the felt 32 has an effect of fixing the pressing ring 29, the pressing ring 29 has an effect of installing the retaining ring 31, the retaining ring 31 has an effect of fixing the hole cover 24, the hole cover 24 has an effect of fixing the sliding rod 26, the sliding rod 26 has an effect of fixing the sliding sleeve 25, the sliding sleeve 25 has an effect of installing the oil scraping rubber 28, and the oil scraping rubber 28 has an effect of scraping lubricating oil scraping on the idler shaft 6, cylindrical pin 27 has the function of fixing slide bar 26;

further, a hexagon bolt four 34 is installed on the inner wall of the oil pan 7, a hexagon nut 35 is installed at the upper end of the hexagon bolt four 34, specifically, the hexagon bolt four 34 has the function of fixing the oil pan 7, and the hexagon nut 35 has the function of fixing the hexagon bolt four 34;

further, the adapter 46 is installed inside the first bearing base 3, the gasket 37 is installed at the right end of the adapter 46, the pipe joint 36 is installed on the inner side of the gasket 37, the hexagon bolt five 49 is installed on the inner wall of the first bearing base 3, the clamp 39 is inserted into the inner wall of the first bearing base 3, the joint 47 is installed at the left end of the adapter 46, specifically, the joint 47 and the adapter 46 have the function of transmitting lubricating oil, the gasket 37 has the function of fixing the adapter 46, the pipe joint 36 has the function of transmitting lubricating oil, the hexagon bolt five 49 has the function of fixing the adapter 46, and the clamp 39 has the function of clamping the first bearing base 3;

further, a blocking cover 41 is arranged on the outer wall of the first bearing cover 4, a rubber ring 42 is arranged on the inner side of the blocking cover 41, a sealing rubber ring 43 is arranged at the side end of the rubber ring 42, a protection ring 40 is arranged on the outer side of the sealing rubber ring 43, a cover plate 44 is arranged on the outer side of the rubber ring 42, specifically, the blocking cover 41 has the function of packaging the first bearing cover 4, and the rubber ring 42 has the function of protecting the first bearing cover 4;

further, a heater 45 and a temperature measuring element 48 are installed at the side end of the first bearing base 3, a lifting screw 11 is installed on the inner wall of the first bearing cover 4, a hexagon bolt six 50 is installed on the outer wall of the lifting screw 11, specifically, the heater 45 is set to be JGY 2-220/1, the heater 45 has the function of heating the first bearing base 3, the temperature measuring element 48 has the function of measuring the temperature of the first bearing base 3, the lifting screw 11 has the function of conveniently connecting the first bearing cover 4, and the hexagon bolt six 50 has the function of fixing the lifting screw 11.

The utility model discloses a use as follows: when the utility model is used, the riding wheel shaft 6 is arranged on the inner wall of the riding wheel 5, and the device also comprises a first bearing upper cover 4 and a second bearing upper cover 8, the first bearing upper cover 4 and the second bearing upper cover 8 are arranged at the lower end of the riding wheel shaft 6, a first bearing base 3 is arranged at the lower end of the first bearing upper cover 4, a second bearing base 13 is arranged at the lower end of the second bearing upper cover 8, a spherical tile 12 is arranged at the lower side of the riding wheel shaft 6, an oil scoop 9 is arranged at the lower end of the spherical tile 12, an oil pan frame 33 is arranged at the upper side of the riding wheel shaft 6, an oil pan 7 is arranged at the upper end of the oil pan frame 33, a thrust ring 10 is arranged at the upper side of the riding wheel shaft 6, a retainer ring 14 is arranged at the right side of the thrust ring 10, an oil pointer 1 is arranged at the right end of the second bearing base 13, an end cover 2 is arranged at the right end of the second bearing upper cover 8 and the second bearing base 13, a hexagon bolt 15 is arranged at the right end of the retainer ring 14, a hexagon bolt 38 is arranged at the upper end of the riding wheel shaft 6, a spring washer 18 is fixedly arranged at the right end of the spherical tile 12, a single lug stop washer 16 is arranged at the right end of the spring washer 16, a hexagon head bolt 17 is arranged at the right end of a single lug stop washer 16, a press block 19 is arranged at the lower end of a spherical tile 12, a second hexagon bolt 20 is arranged at the upper end of the right side of the spherical tile 12, a spherical screw 21 and a third hexagon bolt 23 are arranged at the upper end of the left side of the spherical tile 12, a press head 22 is arranged at the upper end of the left side of the spherical tile 12, a seal ring 30 is arranged at the upper end of a riding wheel shaft 6, a felt 32 is arranged at the upper end of the seal ring 30, a press ring 29 is arranged at the upper end of the felt 32, a baffle ring 31 is arranged at the inner side of the press ring 29, a hole cover 24 is arranged at the upper side of the baffle ring 31, a slide rod 26 is arranged at the lower end of the hole cover 24, a slide sleeve 25 is sleeved at the lower end of the slide rod 26, oil scraping rubber 28 is fixedly arranged at the lower end of the slide sleeve 25, a cylindrical pin 27 is arranged on the outer wall of the slide rod 26, a fourth hexagon bolt 34 is arranged on the inner wall of an oil pan 7, a hexagon nut 35 is arranged at the upper end of the hexagon bolt 34, a connecting pipe 46 is arranged inside a bearing base 3, a washer 46, a washer 37 is arranged at the right end of the connecting pipe 46, and a pipe joint 36 is arranged inside the connecting pipe, the inner wall of the bearing base I3 is provided with a hexagon bolt five 49, the inner wall of the bearing base I3 is inserted with a staple 39, the left end of a connecting pipe 46 is provided with a joint 47, the outer wall of the bearing upper cover I4 is provided with a baffle cover 41, the inner side of the baffle cover 41 is provided with a rubber ring 42, the side end of the rubber ring 42 is provided with a sealing rubber ring 43, the outer side of the sealing rubber ring 43 is provided with a protective ring 40, the outer side of the rubber ring 42 is provided with a cover plate 44, the side end of the bearing base I3 is provided with a heater 45 and a temperature measuring element 48, the inner wall of the bearing upper cover I4 is provided with a lifting ring screw 11, the outer wall of the lifting ring screw 11 is provided with a hexagon bolt six 50, the spherical tile 12 and a lining tile material are designed into a whole, a new electric arc deposition process is adopted to clad copper alloy in a welding wire state of 0.8-1.2mm on the surface of the spherical tile base body, the original single lining tile is designed into high-strength to be attached to the steel base body so as to improve the combination between the alloy and the bearing alloy layer strength, the casting and processing cost of the independent lining tile is greatly saved, the deformation risk of the lining tile after the installation and the bearing is avoided due to the integral bearing bush structure, the large clearance fit is adopted between the spherical surface tile 12 and the riding wheel shaft 6, the structural type of the elliptical tile is adopted for the inner hole of the spherical surface tile 12, the center of the inner hole of the bearing bush is offset with the axis of the riding wheel 5, the size of the spherical surface tile 12 adopts the precision requirement of 6-7 levels, the contact surface, the contact angle and the matching side clearance of the axial position of the bearing bush and the riding wheel shaft are ensured in a machining mode, the contact angle is set to be a small contact angle structure of 30-45 degrees, the dynamic pressure lubrication effect is effectively improved, the bearing seat and the bearing cover adopt cast steel parts to improve the strength and the rigidity of the bearing, the spherical surface tile 12 is formed by compounding a grey cast iron base body and a high-strength bearing alloy layer, the grey cast iron has higher strength and damping performance, and the copper alloy has higher wear resistance performance, and high bearing strength, the wire material is fused on the spherical tile matrix by the electric arc deposition technology, the bonding strength is high, the deformation is small after bearing, the spherical tile 12 is provided with a cooling water channel, the operation temperature of the spherical tile 12 is reduced through an external circulating water path, the bearing is provided with an oil spraying device, the device is provided with power by means of rotation of a riding wheel shaft, lubricating oil in a bearing cavity is sprayed and poured at the axial position of the riding wheel shaft through an oil scoop to enter the spherical tile 12 and form a dynamic pressure oil film with a shaft gap, the bearing tile and the riding wheel shaft are matched in a large gap mode, the spherical tile 12 is designed into an elliptical tile structure mode, the center of an inner hole of the spherical tile 12 is offset from the center of the riding wheel shaft, the contact surface, the contact angle and the matching side gap between the spherical tile 12 and the riding wheel shaft are ensured by utilizing the design line of the elliptical tile and the high-precision machining requirement, the dynamic pressure lubrication device can directly replace manual scraping, reduces the assembly period and the installation cost, and greatly improves the dynamic pressure lubrication effect due to the designed profile of the inner hole oval tile.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (10)

1. The utility model provides a rotary kiln riding wheel axle support unit assembly, includes riding wheel (5) and riding wheel axle (6), riding wheel axle (6) are installed in riding wheel (5) inner wall, its characterized in that still includes: the bearing upper cover I (4) and the bearing upper cover II (8) are arranged at the lower end of the riding wheel shaft (6);

bearing base (3) is installed to bearing upper cover (4) lower extreme, bearing base two (13) is installed to bearing upper cover two (8) lower extreme, bearing wheel axle (6) downside installation spherical tile (12), spherical tile (12) lower extreme installation oil scoop (9), oil pan frame (33) is installed to bearing wheel axle (6) upside, oil pan (7) is installed to oil pan frame (33) upper end, bearing wheel axle (6) upside installation thrust collar (10), thrust collar (10) right side installation retaining ring (14).

2. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: the oil pointer (1) is installed at the right end of the second bearing base (13), and the end cover (2) is installed at the right end of the second bearing upper cover (8) and the right end of the second bearing base (13).

3. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: a first hexagon bolt (15) is installed at the right end of the retainer ring (14), and a screw (38) is installed at the upper end of the riding wheel shaft (6).

4. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: spring washer (18) is fixedly installed at the right end of spherical tile (12), single-lug lock washer (16) is installed at the right end of spring washer (18), hexagon head bolt (17) is installed at the right end of single-lug lock washer (16), and pressing block (19) is installed at the lower end of spherical tile (12).

5. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: spherical tile (12) right side upper end installation hexagon bolt two (20), spherical tile (12) left side upper end installation sphere screw (21) and hexagon bolt three (23), spherical tile (12) left side upper end installation pressure head (22).

6. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: bearing roller axle (6) upper end installation sealing washer (30), sealing washer (30) upper end installation felt (32), felt (32) upper end installation clamping ring (29), clamping ring (29) inboard installation keeps off ring (31), keep off ring (31) upside installation handhole door (24), handhole door (24) lower extreme installation slide bar (26), slide bar (26) lower extreme cup joints sliding sleeve (25), sliding sleeve (25) lower extreme fixed mounting scrapes oily rubber (28), slide bar (26) outer wall installation cylindric lock (27).

7. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: and a hexagon bolt four (34) is arranged on the inner wall of the oil pan (7), and a hexagon nut (35) is arranged at the upper end of the hexagon bolt four (34).

8. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: bearing base (3) internally mounted is taken over (46), take over (46) right-hand member installation packing ring (37), packing ring (37) inboard installation coupling (36), bearing base (3) inner wall installation hexagon bolt five (49), bearing base (3) inner wall grafting bail (39), take over (46) left end erection joint (47).

9. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: bearing upper cover (4) outer wall installation fender lid (41), keep off inboard installation rubber circle (42) of lid (41), rubber circle (42) side installation sealing rubber circle (43), sealing rubber circle (43) outside installation guard circle (40), rubber circle (42) outside installation apron (44).

10. The rotary kiln riding wheel shaft support unit assembly as defined in claim 1, wherein: the bearing pedestal I (3) side end is provided with a heater (45) and a temperature measuring element (48), the inner wall of the bearing upper cover I (4) is provided with a lifting bolt (11), and the outer wall of the lifting bolt (11) is provided with a hexagon bolt six (50).

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