CN210859745U - Transmission device of vertical stirrer - Google Patents

Abstract

The utility model discloses a transmission device for a vertical stirrer, which relates to the field of vertical stirring and comprises an input mechanism and an output mechanism; the input mechanism comprises an input shaft, the axis of the input shaft is along the horizontal direction, and the input shaft is connected to In the bearing whose axis is arranged in the horizontal direction; the output mechanism includes an output shaft and a main shaft mounting hole; the axis of the output shaft is in the vertical direction, and the output shaft is connected in the bearing whose axis is arranged in the vertical direction; the The output shaft is provided with a main shaft installation hole penetrating from its upper end to its lower end, the main shaft installation hole and the output shaft are coaxially arranged; a steering mechanism is arranged between the input shaft and the output shaft, and the steering The mechanism is capable of converting the rotation of the horizontal axis to the rotation of the vertical axis. The advantages of the utility model are that the height of the vertical agitator transmission station can be reduced and the rotary joint can be replaced conveniently and quickly.

Description

Transmission for vertical agitators

technical field

The utility model relates to the field of vertical stirring, in particular to a transmission device of a vertical stirrer.

Background technique

In the float glass production line, the glass liquid stirrer is one of the special equipment for the production of flat glass. The molten glass stirrer is installed at the neck of the melting furnace to stir the molten glass to improve the uniformity of glass melting. It is a special equipment for forced homogenization of the molten glass. The glass liquid agitator eliminates or reduces the defects that cannot be overcome by natural homogenization through the mechanical stirring of the stirring blade, and ensures the thermal and chemical uniformity of the glass liquid entering the forming area, thereby improving the optical performance and surface quality of the glass finished product. The stirring methods of glass liquid mixers are divided into horizontal stirring and vertical stirring. With the improvement of product quality requirements, vertical stirrers are more and more widely used, especially for high-end production lines such as information display glass and automotive glass. Vertical stirrer is the first choice.

Due to the characteristics of vertical rotation, the vertical stirrer is equipped with a rotary joint in the stirring mechanism. The patent document with the publication number CN201883016U discloses an improved vertical stirrer for high-temperature molten glass. The description of the patent document discloses that the motor and the reducer are installed on the top of the cage bracket, and the stirring rod is driven by the claw clutch to rotate, With reference to Figure 1 of the description, the floating rotary joint is installed in the middle of the stirring rod, and the cooling water flows through the floating rotary joint through the stirring blade, and then flows out of the floating rotary joint. The drive device of the stirring mechanism of the existing vertical stirrer is installed at the rear of the main shaft in a rear-mounted manner, and the rotary joint is installed in the middle of the main shaft in a middle-mounted manner. The stirring mechanism of the existing vertical agitator has the following disadvantages: the rear-mounted drive device requires the transmission station to be placed in a very high position, which requires an extra steel structure platform to support, and the cost is high; since the drive device is installed at the tail of the main shaft, the rotating The joint can only be installed in the middle of the main shaft. The rotary joint is a wearing part and needs to be replaced frequently. When replacing the central rotary joint, the entire stirring mechanism needs to be disassembled, and the replacement time is long, which is not conducive to production.

Utility model content

The technical problem to be solved by the utility model is to provide a transmission device for a vertical agitator which can reduce the height of the vertical agitator transmission station.

The present invention solves the above-mentioned technical problems through the following technical means: the transmission device of the vertical stirrer includes an input mechanism (76) and an output mechanism (77); the input mechanism (76) includes an input shaft (763), so the The axis of the input shaft (763) is in a horizontal direction, and the input shaft (763) is connected to a bearing whose axis is arranged in the horizontal direction; the output mechanism (77) includes an output shaft (773), a main shaft mounting hole (774) ; The axis of the output shaft (773) is in the vertical direction, and the output shaft (773) is connected in a bearing whose axis is arranged in the vertical direction; A main shaft installation hole (774) at the lower end, the main shaft installation hole (774) and the output shaft (773) are coaxially arranged; a steering mechanism is provided between the input shaft (763) and the output shaft (773) , the steering mechanism can convert the rotation of the horizontal axis into the rotation of the vertical axis; the output shaft of the driving device is arranged horizontally, and the input shaft (763) is fixedly connected with the driving device; the output shaft (773) passes through The main shaft installation hole (774) is sleeved on the outer ring of the main shaft (1) of the vertical agitator, and the output shaft (773) is connected to the middle of the main shaft (1). The transmission device of the vertical agitator can be connected to the middle of the main shaft, and the rotation of the output shaft of the horizontally arranged driving device is converted into the rotation of the main shaft arranged vertically through the steering mechanism, so that the height of the driving device can be reduced, thereby reducing the transmission of the vertical agitator. The height of the vertical agitator reduces the investment cost of the enterprise; since the transmission device of the vertical agitator is connected to the middle of the main shaft, the rotary joint can be connected to the tail of the main shaft. Quickly replace the rotary joint, which is beneficial to the production of enterprises.

As an optimized technical solution, the transmission device (7) further comprises a box body (71), the box body (71) is a hollow cuboid; two opposite vertical side plates of the box body (71) are respectively An input shaft installation hole is opened, and the two input shaft installation holes are arranged oppositely; the top horizontal plate and the bottom horizontal plate of the box body (71) are respectively provided with an output shaft installation hole, and the two output shaft installation holes are arranged oppositely; The input mechanism (76) further comprises a first bearing (761) and a second bearing (762), and the axes of the first bearing (761) and the second bearing (762) are arranged along the horizontal direction and are respectively fixedly connected to the two bearings. In the input shaft mounting holes, two sides of the input shaft (763) are respectively connected in the bearing holes of the first bearing (761) and the second bearing (762); the output mechanism (77) further includes a The three bearings (771), the fourth bearing (772), and the axes of the two third bearings (771) are arranged in the vertical direction and are respectively fixedly connected in the two output shaft mounting holes. The two sides are respectively connected in the bearing holes of the third bearing (771) and the fourth bearing (772).

As an optimized technical solution, the transmission device (7) further comprises a first end cover (72), a second end cover (73), a third end cover (74), and a fourth end cover (75); The one end cover (72) and the second end cover (73) are respectively covered on the outside of the two input shaft mounting holes, and the center of the first end cover (72) is provided with an input shaft passing hole; the third end cover (74) cover the outside of the output shaft mounting hole on the top horizontal plate, the fourth end cover (75) covers the outside of the output shaft mounting hole on the bottom horizontal plate, and the third end cover (74) and the center of the fourth end cover (75) are respectively provided with an output shaft passing hole; the first bearing (761) and the second bearing (762) are respectively located on the first end cover (72), the second bearing On the inner side of the end cover (73), one end of the input shaft (763) protrudes from the input shaft through hole to the outside of the casing (71), and the other end of the input shaft (763) is located in the first The inner side of the second end cover (73); the two third bearings (771) are respectively located on the inner side of the third end cover (74) and the fourth end cover (75), and the two ends of the output shaft (773) are respectively The two output shafts protrude from the outside of the casing (71) through holes.

As an optimized technical solution, the input mechanism (76) further includes an input shaft sealing ring (766), and the input shaft sealing ring (766) is provided on the first bearing (761) and the first end cover ( 72) and sleeved on the outer ring of the input shaft (763); the output mechanism (77) further includes an output shaft sealing ring (776), and the two output shaft sealing rings (776) are respectively provided on the first Between the three bearings (771) and the third end cover (74) and between the fourth bearing (772) and the fourth end cover (75), two output shaft sealing rings (776) are respectively sleeved on the outer ring of the output shaft (773).

As an optimized technical solution, both the input shaft sealing ring (766) and the output shaft sealing ring (776) use lip-type sealing rings.

As an optimized technical solution, the input shaft (763) includes an input shaft main body and an input shaft head, the input shaft head is fixedly connected to one end of the input shaft main body, the input shaft main body, the input shaft head The two ends of the main body of the input shaft are respectively connected in the bearing holes of the first bearing (761) and the second bearing (762); the side wall of the shaft head of the input shaft is provided with an input shaft key groove (764); the input mechanism (76) further includes an input shaft flange (765), and the input shaft flange (765) includes a connection sleeve, a flange plate, a shaft head installation cavity, and a connection sleeve keyway; the connection The sleeve and the flange are coaxially arranged, and one end of the connecting sleeve is fixedly connected to one end of the flange; the other end of the connecting sleeve is provided with a shaft head installation cavity, and the shaft head installation cavity is connected to the flange. The connecting sleeve is coaxially arranged; the inner side of the shaft head installation cavity is provided with a connecting sleeve keyway; the connecting sleeve is sleeved on the outer ring of the input shaft shaft head through the shaft head installation cavity, and the input shaft connecting key is The two sides are respectively installed in the input shaft keyway (764) and the connecting sleeve keyway, and the input shaft (763) is keyed to the input shaft flange (765).

As an optimized technical solution, the steering mechanism includes a driving gear (78) and a driven gear (79). Both the driving gear (78) and the driven gear (79) are helical gears, and the driving gear ( 78) is fixedly connected to the outer ring of the input shaft (763), the driven gear (79) is fixedly connected to the outer ring of the output shaft (773), the driving gear (78) is connected to the driven gear (78) The gear (79) cooperates with the transmission.

As an optimized technical solution, the transmission device (7) further comprises a box body (71), the box body (71) is a hollow cuboid; two opposite vertical side plates of the box body (71) are respectively An input shaft installation hole is opened, and the two input shaft installation holes are arranged oppositely; the top horizontal plate and the bottom horizontal plate of the box body (71) are respectively provided with an output shaft installation hole, and the two output shaft installation holes are arranged oppositely; The input mechanism (76) further comprises a first bearing (761) and a second bearing (762), and the axes of the first bearing (761) and the second bearing (762) are arranged along the horizontal direction and are respectively fixedly connected to the two bearings. In the input shaft mounting holes, two sides of the input shaft (763) are respectively connected in the bearing holes of the first bearing (761) and the second bearing (762); the output mechanism (77) further includes a The three bearings (771), the fourth bearing (772), and the axes of the two third bearings (771) are arranged in the vertical direction and are respectively fixedly connected in the two output shaft mounting holes. The two sides are respectively connected in the bearing holes of the third bearing (771) and the fourth bearing (772);

The output shaft (773) includes an output shaft main body and a bearing connection end, the two bearing connection ends are respectively fixedly connected to both ends of the output shaft main body and are arranged coaxially with the output shaft main body, and the two bearing connection ends are respectively connected to the bearing holes of the third bearing (771) and the fourth bearing (772), the output shaft main body is located in the inner cavity of the box body (71), and the driven gear (79) is fixed connected to the outer ring of the output shaft body.

As an optimized technical solution, the transmission device (7) further comprises a box body (71), the box body (71) is a hollow cuboid; two opposite vertical side plates of the box body (71) are respectively An input shaft installation hole is opened, and the two input shaft installation holes are arranged oppositely; the top horizontal plate and the bottom horizontal plate of the box body (71) are respectively provided with an output shaft installation hole, and the two output shaft installation holes are arranged oppositely; The input mechanism (76) further comprises a first bearing (761) and a second bearing (762), and the axes of the first bearing (761) and the second bearing (762) are arranged along the horizontal direction and are respectively fixedly connected to the two bearings. In the input shaft mounting holes, two sides of the input shaft (763) are respectively connected in the bearing holes of the first bearing (761) and the second bearing (762); the output mechanism (77) further includes a The three bearings (771), the fourth bearing (772), and the axes of the two third bearings (771) are arranged in the vertical direction and are respectively fixedly connected in the two output shaft mounting holes. The two sides are respectively connected in the bearing holes of the third bearing (771) and the fourth bearing (772);

The input shaft (763) includes an input shaft main body and an input shaft retaining ring, the input shaft retaining ring is fixedly connected to the outer ring of the input shaft main body, and the input shaft retaining ring is located on the outer ring of the casing (71). In the inner cavity; the input mechanism (76) further includes a retaining ring (767), the retaining ring (767) is arranged in the inner cavity of the box body (71) and is sleeved on the main body of the input shaft. outer ring; the driving gear (78) is fixedly connected to the outer ring of the input shaft main body, the input shaft retaining ring is located between the driving gear (78) and the first bearing (761), the A retaining ring (767) is located between the driving gear (78) and the second bearing (762).

As an optimized technical solution, the inner side of the main shaft mounting hole (774) is provided with an output shaft keyway (775), the outer side of the main shaft (1) of the vertical agitator is provided with a keyway, and the output shaft (773) passes through the The main shaft mounting hole (774) is sleeved on the outer ring of the main shaft (1). The main shaft (1) is keyed to the output shaft (773).

The utility model has the advantages that the transmission device of the vertical agitator can be connected to the middle of the main shaft, the rotation of the output shaft of the horizontally arranged driving device is converted into the rotation of the main shaft arranged vertically through the steering mechanism, and the height of the driving device can be reduced , thereby reducing the height of the vertical agitator transmission station and reducing the investment cost of the enterprise; since the transmission device of the vertical agitator is connected to the middle of the main shaft, the rotary joint can be connected to the tail of the main shaft, and the stirring mechanism of the vertical agitator is not required when replacing the rotary joint. After dismantling, the rotary joint can be replaced conveniently and quickly, which is beneficial to the production of enterprises.

Description of drawings

FIG. 1 is a schematic diagram of the installation and use state of the transmission device of the vertical stirrer according to the embodiment of the present invention.

FIG. 2 is a schematic front view of the transmission device according to the embodiment of the present invention.

3 is a schematic top view of the transmission device according to the embodiment of the present invention.

FIG. 4 is a partial half-section schematic view of the transmission device according to the embodiment of the present invention in the front view direction.

FIG. 5 is a schematic structural diagram of the input shaft of the transmission device according to the embodiment of the present invention.

FIG. 6 is a partial half-section schematic view of the transmission device according to the embodiment of the present invention in a plan view direction.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1, the axis of the main shaft 1 of the vertical mixer is in the vertical direction; the support 5 is provided with a bearing whose axis is arranged in the vertical direction, and the middle part of the main shaft 1 is connected to the bearing in the support 5; the stirring rake connecting mechanism 2 is fixedly connected to the lower end of the main shaft 1, and the stirring rake connecting mechanism 2 is located under the bracket 5, which is used to connect the stirring rake, and the stirring rake is used to stir the glass liquid; the rotary joint connecting mechanism 3 is fixedly connected to the upper end of the main shaft 1, and the rotary joint is connected The mechanism 3 is located above the support 5; the rotary joint 6 is connected to the main shaft 1 through the rotary joint connection mechanism 3, and the rotary joint 6 is used to connect the inlet and outlet pipes of cooling water; the output end of the transmission device 7 of the vertical mixer in this embodiment is connected to the main shaft 1 , the input end is connected to the driving device (not shown in the figure), the transmission device 7 of the vertical stirrer in this embodiment is located inside the bracket 5; the driving device adopts a motor, and the output shaft of the motor is set horizontally, and the vertical stirrer in this embodiment is The input end of the transmission device 7 is fixedly connected with the output shaft of the motor.

As shown in FIGS. 2 to 6 , the transmission device 7 includes a box body 71 , a first end cap 72 , a second end cap 73 , a third end cap 74 , a fourth end cap 75 , an input mechanism 76 , an output mechanism 77 , an active Gear 78 and driven gear 79 .

The box body 71 is a hollow cuboid; two opposite vertical side plates of the box body 71 are respectively provided with input shaft mounting holes, and the two input shaft mounting holes are arranged oppositely; the first end cover 72 and the second end cover 73 are respectively covered On the outside of the two input shaft mounting holes, an input shaft passing hole is opened in the center of the first end cover 72 .

The top horizontal plate and the bottom horizontal plate of the box body 71 are respectively provided with output shaft installation holes, and the two output shaft installation holes are arranged oppositely; the third end cover 74 is covered on the outside of the output shaft installation holes on the top horizontal plate, The fourth end cover 75 is covered on the outside of the output shaft mounting hole on the bottom horizontal plate, and the center of the third end cover 74 and the fourth end cover 75 is respectively provided with an output shaft passing hole.

The input mechanism 76 includes a first bearing 761 , a second bearing 762 , an input shaft 763 , an input shaft keyway 764 , an input shaft flange 765 , an input shaft sealing ring 766 , and a retaining ring 767 .

The axes of the first bearing 761 and the second bearing 762 are arranged along the horizontal direction and are fixedly connected to the two input shaft mounting holes, respectively. The first bearing 761 and the second bearing 762 are located on the first end cover 72 and the second end cover, respectively. Inside of 73.

The input shaft 763 includes an input shaft main body, an input shaft head, and an input shaft retaining ring. The input shaft main body is a cylinder, and the input shaft head is a cylinder with a diameter smaller than the diameter of the input shaft main body and is fixedly connected to the input shaft. one end of the input shaft main body, the input shaft retaining ring is a circular cylinder and is fixedly connected to the outer ring of the input shaft main body, the input shaft main body, the input shaft shaft head, and the input shaft retaining ring are coaxially arranged, The main body of the input shaft, the shaft head of the input shaft and the retaining ring of the input shaft are of an integrated structure.

The axis of the input shaft 763 is in the horizontal direction, the two ends of the input shaft main body are respectively connected to the bearing holes of the first bearing 761 and the second bearing 762, and the input shaft main body is connected to one end of the input shaft shaft head from the other end. The input shaft protrudes out of the casing 71 through the hole, the other end of the input shaft main body is located inside the second end cover 73 , and the input shaft retaining ring is located in the inner cavity of the casing 71 close to the first bearing 761 side.

The end of the input shaft 763 extending out of the casing 71 is located on the side wall of the input shaft head and has an input shaft keyway 764 .

The input shaft flange 765 includes a connecting sleeve, a flange plate, a shaft head installation cavity, and a connecting sleeve keyway; the connecting sleeve and the flange plate are both cylindrical and coaxially arranged, and one end of the connecting sleeve is fixedly connected to the connecting sleeve. one end of the flange; the other end of the connecting sleeve is provided with a shaft head installation cavity, the shaft head installation cavity is cylindrical and coaxial with the connection sleeve; the inner side of the shaft head installation cavity A connecting sleeve keyway is provided; the connecting sleeve is sleeved on the outer ring of the input shaft shaft head through the shaft head installation cavity, and the two sides of the input shaft connecting key are respectively installed in the input shaft keyway 764 and the connecting sleeve keyway , the input shaft 763 is keyed to the input shaft flange 765; the output shaft of the motor is fixedly connected with the output end flange, and the input shaft flange 765 is fixedly connected with the output end flange through bolts.

The input shaft sealing ring 766 adopts a lip type sealing ring, and the input shaft sealing ring 766 is arranged between the first bearing 761 and the first end cover 72 and is sleeved on the outer ring of the input shaft main body to seal the lubricating oil.

The retaining ring 767 is arranged in the inner cavity of the box body 71 and is sleeved on the outer ring of the input shaft main body on the side close to the second bearing 762 .

The output mechanism 77 includes a third bearing 771 , a fourth bearing 772 , an output shaft 773 , a main shaft mounting hole 774 , an output shaft key groove 775 , and an output shaft sealing ring 776 .

The axes of the two third bearings 771 are disposed along the vertical direction and are fixedly connected to the two output shaft mounting holes respectively, and the two third bearings 771 are respectively located inside the third end cover 74 and the fourth end cover 75 .

The output shaft 773 includes an output shaft main body and a bearing connection end, the output shaft main body is a cylinder, the two bearing connection ends are both cylindrical bodies with a diameter smaller than the diameter of the output shaft main body, and the two bearing connection ends are respectively fixedly connected to the Both ends of the output shaft main body are arranged coaxially with the output shaft main body, and the output shaft main body and the two bearing connecting ends are integrally formed.

The axis of the output shaft 773 is in the vertical direction, the two bearing connecting ends are respectively connected to the bearing holes of the third bearing 771 and the fourth bearing 772, and the two bearing connecting ends extend out of the box 71 from the two output shaft through holes respectively. The main body of the output shaft is located in the inner cavity of the box body 71 .

The output shaft 773 is provided with a main shaft installation hole 774 penetrating from its upper end to its lower end. The main shaft installation hole 774 is cylindrical and coaxial with the output shaft 773 .

The portion of the upper end of the second step portion 112 of the outer tube 11 protruding from the outer ring of the third step portion 113 is clamped to the outer ring of the lower end opening of the main shaft mounting hole 774 .

The inner side of the main shaft mounting hole 774 is provided with an output shaft keyway 775, and the outer side of the main shaft 1 of the vertical mixer is provided with a keyway. The two sides of the key are respectively installed in the keyway of the main shaft 1 and the keyway 775 of the output shaft to connect the main shaft 1 and the output shaft 773 with a key.

The output shaft sealing ring 776 adopts a lip type sealing ring. The two output shaft sealing rings 776 are respectively arranged between the third bearing 771 and the third end cover 74 and between the fourth bearing 772 and the fourth end cover 75. Shaft sealing rings 776 are respectively sleeved on the outer rings of the connecting ends of the two bearings for sealing the lubricating oil.

A steering mechanism is provided between the input shaft 763 and the output shaft 773, and the steering mechanism can convert the rotation of the horizontal axis into the rotation of the vertical axis; the steering mechanism includes a driving gear 78, a driven gear 79, a driving gear 78 and The driven gears 79 are all helical gears, and the steering mechanism can also use bevel gears, worm gears, etc.; the driving gear 78 is fixedly connected to the middle of the outer ring of the main body of the input shaft, and the input shaft retaining ring is located between the driving gear 78 and the main body. Between the first bearing 761, the retaining ring 767 is located between the driving gear 78 and the second bearing 762; the driven gear 79 is fixedly connected to the middle of the outer ring of the output shaft body, and the driving gear 78 and the driven gear 79 are in the box. The inner cavity of 71 is cross-installed at 90°, and the driving gear 78 cooperates with the driven gear 79 for transmission.

The rotation of the output shaft of the motor drives the input shaft 763 to rotate, thereby driving the driving gear 78 to rotate, the driving gear 78 drives the driven gear 79 to rotate, thereby driving the output shaft 773 to rotate, and the output shaft 773 drives the main shaft 1 of the vertical agitator to rotate.

The above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be used for the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A transmission device of a vertical stirrer is characterized in that: the transmission device of the vertical stirrer comprises an input mechanism (76) and an output mechanism (77); the input mechanism (76) comprises an input shaft (763), the axis of the input shaft (763) is in the horizontal direction, and the input shaft (763) is connected in a bearing with the axis arranged in the horizontal direction; the output mechanism (77) comprises an output shaft (773) and a spindle mounting hole (774); the axis of the output shaft (773) is in the vertical direction, and the output shaft (773) is connected in a bearing with the axis arranged in the vertical direction; a spindle mounting hole (774) penetrating from the upper end to the lower end of the output shaft (773) is formed in the output shaft (773), and the spindle mounting hole (774) and the output shaft (773) are coaxially arranged; a steering mechanism is arranged between the input shaft (763) and the output shaft (773), and can convert the rotation of a horizontal shaft into the rotation of a vertical shaft; the output shaft of the driving device is horizontally arranged, and the input shaft (763) is fixedly connected with the driving device; the output shaft (773) is sleeved on the outer ring of the main shaft (1) of the vertical stirrer through the main shaft mounting hole (774), and the output shaft (773) is connected with the middle of the main shaft (1).

2. The transmission of a vertical agitator as defined in claim 1, wherein: the transmission device (7) further comprises a box body (71), and the box body (71) is a hollow cuboid; two opposite vertical side plates of the box body (71) are respectively provided with an input shaft mounting hole, and the two input shaft mounting holes are oppositely arranged; output shaft mounting holes are respectively formed in the top horizontal plate and the bottom horizontal plate of the box body (71), and the two output shaft mounting holes are oppositely arranged; the input mechanism (76) further comprises a first bearing (761) and a second bearing (762), the axes of the first bearing (761) and the second bearing (762) are arranged along the horizontal direction and are respectively and fixedly connected in the two input shaft mounting holes, and two sides of the input shaft (763) are respectively connected in the bearing holes of the first bearing (761) and the second bearing (762); the output mechanism (77) further comprises a third bearing (771) and a fourth bearing (772), the axes of the two third bearings (771) are arranged in the vertical direction and fixedly connected to the two output shaft mounting holes respectively, and two sides of the output shaft (773) are connected to the bearing holes of the third bearing (771) and the fourth bearing (772) respectively.

3. The transmission of a vertical agitator as defined in claim 2, wherein: the transmission device (7) further comprises a first end cover (72), a second end cover (73), a third end cover (74) and a fourth end cover (75); the first end cover (72) and the second end cover (73) are respectively covered on the outer sides of the two input shaft mounting holes, and an input shaft through hole is formed in the center of the first end cover (72); the third end cover (74) covers the outer side of the output shaft mounting hole in the top horizontal plate, the fourth end cover (75) covers the outer side of the output shaft mounting hole in the bottom horizontal plate, and output shaft through holes are formed in the centers of the third end cover (74) and the fourth end cover (75) respectively; the first bearing (761) and the second bearing (762) are respectively positioned at the inner sides of the first end cover (72) and the second end cover (73), one end of the input shaft (763) extends out of the box body (71) from the input shaft through hole, and the other end of the input shaft (763) is positioned at the inner side of the second end cover (73); two third bearings (771) are respectively positioned on the inner sides of the third end cover (74) and the fourth end cover (75), and two ends of the output shaft (773) respectively extend out of the box body (71) from two output shaft through holes.

4. The transmission of a vertical agitator as defined in claim 3, wherein: the input mechanism (76) further comprises an input shaft sealing ring (766), and the input shaft sealing ring (766) is arranged between the first bearing (761) and the first end cover (72) and sleeved on the outer ring of the input shaft (763); the output mechanism (77) further comprises output shaft sealing rings (776), the two output shaft sealing rings (776) are respectively arranged between the third bearing (771) and the third end cover (74) and between the fourth bearing (772) and the fourth end cover (75), and the two output shaft sealing rings (776) are respectively sleeved on the outer rings of the output shafts (773).

5. The transmission of a vertical agitator as defined in claim 4, wherein: the input shaft sealing ring (766) and the output shaft sealing ring (776) are lip-shaped sealing rings.

6. The transmission of a vertical agitator as defined in claim 2, wherein: the input shaft (763) comprises an input shaft main body and an input shaft head, the input shaft head is fixedly connected to one end of the input shaft main body, and the input shaft main body and the input shaft head are coaxially arranged; the two ends of the input shaft main body are respectively connected into bearing holes of the first bearing (761) and the second bearing (762); an input shaft key groove (764) is formed in the side wall of the input shaft head; the input mechanism (76) further comprises an input shaft flange (765), and the input shaft flange (765) comprises a connecting sleeve, a flange plate, a shaft head mounting cavity and a connecting sleeve key groove; the connecting sleeve and the flange plate are coaxially arranged, and one end of the connecting sleeve is fixedly connected to one end of the flange plate; the other end of the connecting sleeve is provided with a shaft head mounting cavity which is coaxial with the connecting sleeve; the inner side surface of the shaft head mounting cavity is provided with a connecting sleeve key groove; the connecting sleeve is sleeved on the outer ring of the input shaft head through the shaft head mounting cavity, two sides of an input shaft connecting key are respectively mounted in the input shaft key groove (764) and the connecting sleeve key groove, and the input shaft (763) is connected with the input shaft flange (765) in a key mode.

7. The transmission of a vertical agitator as defined in any one of claims 1 to 6, wherein: the steering mechanism comprises a driving gear (78) and a driven gear (79), wherein the driving gear (78) and the driven gear (79) both adopt helical gears, the driving gear (78) is fixedly connected to the outer ring of the input shaft (763), the driven gear (79) is fixedly connected to the outer ring of the output shaft (773), and the driving gear (78) and the driven gear (79) are in matched transmission.

8. The transmission of a vertical agitator as defined in claim 2, wherein: the steering mechanism comprises a driving gear (78) and a driven gear (79), the driving gear (78) and the driven gear (79) both adopt helical gears, the driving gear (78) is fixedly connected to the outer ring of the input shaft (763), the driven gear (79) is fixedly connected to the outer ring of the output shaft (773), and the driving gear (78) and the driven gear (79) are in matched transmission;

the output shaft (773) comprises an output shaft main body and bearing connecting ends, the two bearing connecting ends are respectively and fixedly connected to the two ends of the output shaft main body and coaxially arranged with the output shaft main body, the two bearing connecting ends are respectively connected to bearing holes of the third bearing (771) and the fourth bearing (772), the output shaft main body is located in an inner cavity of the box body (71), and the driven gear (79) is fixedly connected to an outer ring of the output shaft main body.

9. The transmission of a vertical agitator as defined in claim 2, wherein: the steering mechanism comprises a driving gear (78) and a driven gear (79), the driving gear (78) and the driven gear (79) both adopt helical gears, the driving gear (78) is fixedly connected to the outer ring of the input shaft (763), the driven gear (79) is fixedly connected to the outer ring of the output shaft (773), and the driving gear (78) and the driven gear (79) are in matched transmission;

the input shaft (763) comprises an input shaft main body and an input shaft retainer ring, the input shaft retainer ring is fixedly connected to the outer ring of the input shaft main body, and the input shaft retainer ring is positioned in an inner cavity of the box body (71); the input mechanism (76) further comprises a retainer ring (767), and the retainer ring (767) is arranged in an inner cavity of the box body (71) and sleeved on an outer ring of the input shaft main body; the driving gear (78) is fixedly connected to an outer ring of the input shaft main body, the input shaft retainer ring is located between the driving gear (78) and the first bearing (761), and the retainer ring (767) is located between the driving gear (78) and the second bearing (762).

10. The transmission of a vertical agitator as defined in any one of claims 1 to 6, wherein: output shaft keyway (775) have been seted up to the medial surface of main shaft mounting hole (774), and the keyway has been seted up to the lateral surface of main shaft (1) of perpendicular agitator, output shaft (773) pass through main shaft mounting hole (774) cover is in the outer lane of main shaft (1), the both sides of main shaft connecting key are installed respectively in the keyway of main shaft (1) with in output shaft keyway (775), will main shaft (1) with output shaft (773) key-type connection.

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