CN215033565U - Tilting mechanism of large tilting type casting ladle - Google Patents

Abstract

The utility model discloses a large-scale tilting type pours a ladle verts mechanism, waters among the solution prior art and waters a ladle verts the technical problem that mechanism intensity is low, poor stability. It contains former driving link and transmission, transmission from the bottom up is the transmission in proper order and is connected and be equipped with tertiary transmission pair, the vice spiral bevel gear transmission mode that adopts of first order transmission, the second, the vice worm gear transmission mode that all adopts of third level transmission, first order transmission is vice to be located down in the box, second level transmission is vice including the little worm of horizontal setting and rather than the little worm wheel of meshing, wherein the little worm is located down in the box, little worm wheel is located between well box and the lower box, third level transmission is vice including vertically setting up the big worm with little worm wheel coaxial arrangement and rather than the big worm wheel of meshing, locate in the last box and the horizontal inclusion drive shaft that sets up drive first order transmission pair in proper order through the motor, the vice transmission of second level transmission and third level transmission is vice is connected, drive its rotation. Can be widely applied to the field of casting machinery.

Description

Tilting mechanism of large tilting type casting ladle

Technical Field

The utility model relates to a casting machinery specifically is a large-scale tilting mechanism who waters package.

Background

Large ladles used in steel mills or foundry are typically bottom-pour or teeter-hook turn-over ladles. In order to meet the requirement of the gray iron or ductile iron casting pouring process on ladle selection, a tilting type ladle is preferably selected, the rapid development of the domestic wind power industry in recent years, and the demand of users in the casting industry on large tilting type ladles for pouring large castings is increased year by year.

Aiming at the market demand, the tilting type ladle with the maximum capacity of 80t in China at present is actively researched and developed, as the tilting type ladle, the tilting type ladle mainly comprises a ladle body, a portal frame and a tilting mechanism, wherein the ladle body and the portal frame are taken as steel structures and only need to be designed to have enough strength and rigidity, the tilting mechanism is a powerful guarantee for realizing the safe tilting operation of the ladle, the tilting type ladle is the important thing for the design of the ladle, particularly, a worm and gear in a structural assembly not only needs to have enough strength and stability, but also needs to have reliable self-locking performance to ensure the use safety of the ladle.

Disclosure of Invention

The utility model discloses shortcoming and not enough to exist among the prior art, the utility model provides a device rational in infrastructure overall arrangement, overall size are little, through the vice deceleration reinforcement effect of tertiary transmission down realize watering the motion of verting of package, and safety stability is showing and is improving, can provide the low-speed of large-scale formula of verting of watering the package requirement, big moment of torsion verts and the inclusion can stop the function of locking at the optional position, finally guarantees validity and the security of whole motion transmission, is showing the mechanism of verting of watering the package of large-scale formula of verting that has improved user's work efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the device comprises a prime mover and a transmission device of a bag body tilting mechanism, wherein the prime mover is an electric motor, the transmission device comprises a transmission pair and a box body for mounting and fixing the transmission pair, the box body is sequentially connected with an upper box body, a middle box body and a lower box body from top to bottom, the transmission device of the tilting mechanism is sequentially connected with a first-stage transmission pair, a second-stage transmission pair and a third-stage transmission pair from bottom to top in a transmission manner, the first-stage transmission pair adopts a transmission mode of a spiral bevel gear, and the second-stage transmission pair and the third-stage transmission pair both adopt a worm and worm gear transmission mode;

the first-stage transmission pair is arranged in the lower box body and comprises a longitudinally arranged arc-tooth bevel gear shaft and an arc-tooth bevel gear which is installed on the small worm in a matched mode with the arc-tooth bevel gear shaft, the second-stage transmission pair comprises a transversely arranged small worm and a small worm wheel meshed with the small worm, the small worm is arranged in the lower box body and is arranged between the middle box body and the lower box body, the third-stage transmission pair comprises a longitudinally arranged large worm which is coaxially installed with the small worm wheel and a large worm wheel meshed with the large worm, the large worm is arranged between the middle box body and the lower box body, and the large worm wheel is arranged between the middle box body and the upper box body;

the bag body driving shaft which is arranged in the upper box body and transversely arranged drives the first-stage transmission pair, the second-stage transmission pair and the third-stage transmission pair to be in transmission connection in sequence through the motor so as to drive the first-stage transmission pair, the second-stage transmission pair and the third-stage transmission pair to rotate.

Preferably, be located the motor of side direction installation in the box down, the transmission is vice including shaft coupling and spiral bevel gear pair, and spiral bevel gear is vice to include intermeshing's spiral bevel gear axle and spiral bevel gear, and spiral bevel gear axle is connected through the shaft coupling with the motor, and the one end of little worm is located to spiral bevel gear, and the motor passes through spiral bevel gear pair and drives little worm rotation.

Preferably, the coupler is an elastic sleeve pin coupler coaxially connected with the arc-tooth bevel gear shaft and comprises a front half coupler and a rear half coupler which are fixedly connected through nuts and pin shafts, the edges of connecting seats of the front half coupler and the rear half coupler are circumferentially provided with front connecting holes and rear connecting holes which are matched with each other, and the pin shafts penetrate through the front connecting holes from the rear connecting holes forwards and are locked and fixed through nuts matched with the front connecting holes;

and a polyurethane rubber ring is further sleeved on the pin shaft positioned in the rear connecting hole, and a gasket is further sleeved on the pin shaft between the polyurethane rubber ring and the front half coupling.

Preferably, the arc-tooth bevel gear shaft extends to the front extending end and is also connected with two tapered roller bearings which are oppositely arranged and installed, and the tapered roller bearings are axially limited and sealed by a first bearing sleeve cover and a first bearing sleeve which are matched with each other from front to back outside;

the boss of the first bearing sleeve cover is clamped in the first bearing sleeve and fixedly connected with the first bearing sleeve through a bolt; the inner hole of the first bearing sleeve cover and the bonding surface of the arc-tooth bevel gear shaft are sealed by a felt ring and a lip-shaped sealing ring;

the front end of the first bearing sleeve is inserted into a mounting hole longitudinally formed in the left side of the lower box body and is fixed with the outer end face of the mounting hole through a bolt.

Preferably, the small worm is rotatably and transversely arranged in the lower box body, and two ends of the small worm are axially limited through a bearing and a bearing mounting seat on the lower box body; the spiral bevel gear arranged on the left side of the small worm is meshed with a spiral bevel gear shaft at an angle of 90 degrees, and the spiral bevel gear is axially fixed through a round nut.

Preferably, the left end of the small worm extends out of an inner hole of an end cover on the left side of the lower box body, an operation hand wheel is detachably and fixedly connected to the part of the small worm extending out of the lower box body, and a square-section shaft head matched with the operation hand wheel is manufactured at the left end part of the small worm;

and a felt ring and a lip-shaped sealing ring are also arranged between the inner hole of the end cover on the left side of the lower box body and the small worm for sealing treatment.

Preferably, the large worm is longitudinally and rotatably connected in bearing holes on the front side and the rear side of the combined middle box body and the combined lower box body, mounting positioning grooves matched with the front position and the rear position of the large worm are respectively arranged in the box bodies, a bearing and an axial bearing ring are further arranged between the large worm and the mounting positioning grooves, and the axial bearing rings positioned in the two mounting positioning grooves are oppositely arranged;

one end of the large worm of the third-stage transmission pair is provided with a small worm wheel meshed and matched with the small worm, and the small worm rotates to drive the small worm wheel to rotate, so that the large worm is driven to rotate.

Preferably, a large worm wheel meshed with the large worm is arranged at one end of the bag body driving shaft in the upper box body, the other side of the bag body driving shaft is connected with a shaft seat on the bag body through a shaft key structure, and the large worm rotates to drive the large worm wheel to rotate, so that the bag body driving shaft is driven to rotate;

the middle of the ladle driving shaft is connected and installed on a suspension post of the casting ladle gantry frame component through a self-aligning roller bearing.

Preferably, the lower part of one side of the middle box body is also provided with a transmission box clamping fork, and the lower part of the lifting column is fixedly connected with the transmission box clamping fork, so that the whole box body is fixedly connected with the lifting column.

Preferably, the upper box body is further provided with a first oil filling screw plug, the middle box body is further provided with a second oil filling screw plug which are respectively used for oiling and lubricating the casting ladle transmission pair, and the lower box body is further provided with an oil window which is used for observing the oil level.

The utility model provides a large-scale tilting type waters mechanism that verts of package. The method has the following beneficial effects:

(1) the utility model discloses a large-scale formula of verting of watering a packet mechanism that verts, device rational in infrastructure overall arrangement, transmission structural strength is high, small, through the vice deceleration reinforcement effect of tertiary transmission down realize watering a packet the motion of verting, safety stability is showing and is improving, can provide the large-scale formula of verting water a packet low-speed, big moment of torsion of requirement verting and the inclusion can stop the function of locking at the optional position, finally guarantee the validity and the security of whole motion transmission, show improvement user's work efficiency.

The utility model discloses a spiral bevel gear that the mechanism that verts in the vice adoption of first order transmission can increase gear engagement's contact ratio, improves the bearing capacity of gear, reduces because of the transmission is not steady and produces the possibility of noise. The worm gear transmission adopted by the second-stage transmission pair and the third-stage transmission pair can provide a large transmission ratio required by the slow rotation of the casting ladle, and the worm gear designed here can also realize a reliable self-locking function, so that the casting ladle can be stopped at any angle to which the casting ladle rotates.

(2) The utility model discloses carry out the structural innovation design to the box structure of the mechanism that verts, adopted the vice high-speed level of transmission to invert the scheme that the low level was arranged, very big improvement water ladle high-speed level's lubrication and heat dissipation condition, prolonged water ladle high-speed level gear pair's life.

(3) The utility model discloses a large-scale tilting type waters mechanism of verting of package, the vice elastic sleeve pin shaft coupling that adopts of first order transmission through the actual verification of many package products of watering, it possesses good safety in utilization performance. The polyurethane rubber ring is sleeved on the outer ring of each pin shaft in the rear connecting hole of the rear half coupler, the coupler is compact in structure and convenient to assemble, has certain elasticity and buffering performance, compensates position offset caused by poor assembly, meets the requirement that a coupler connecting piece has certain strength, and also has certain axial and radial adjusting functions. The scheme is verified by a plurality of devices, and the transmission effect is good.

(4) The utility model discloses a large-scale tilting type waters mechanism of verting of package, because the two-way load ring has been adopted in the installation of the vice big worm of third level transmission, guaranteed that big worm can not take place the axial float, the stability of the worm wheel drive's of tilting mechanism safety auto-lock has been improved, simultaneously with the fine transmission of the axial force that big worm drive produced to whole box structure, the atress condition of the last dress bearing of worm has greatly been improved, the design of the axial load ring of two-way installation is used and is played crucial effect especially to the validity and the security of the package motion transmission of watering to the medium-large-scale.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic left side view of FIG. 1;

FIG. 4 is a schematic view of the large worm of FIG. 3;

FIG. 5 is a partially enlarged view of A in FIG. 3;

FIG. 6 is a schematic diagram of the construction of the elastomeric sleeve pin coupling of FIG. 3;

fig. 7 is a schematic structural view of a use state diagram of the present invention connected to a suspension post;

fig. 8 is a schematic structural view of the left side view of fig. 7.

In the figure: 1. the electric motor comprises a motor, 2, an elastic sleeve pin coupling, 3, a first bearing sleeve cover, 4, a first bearing sleeve, 5, a gasket, 6, a spiral bevel gear shaft, 8, a lower box body, 9, a lifting column, 10, a polyurethane rubber ring, 11, an operating hand wheel, 12, an oil window, 13, a bag body driving shaft, 14, a spiral bevel gear, 15, a small worm, 16, a small worm wheel, 17, a middle box body, 18, an axial bearing ring, 19, a large worm, 20, a transmission box clamping fork, 21, a first oil injection screw plug, 22, a second oil injection screw plug, 23, an upper box body, 24, a large worm wheel, 25, an axle seat, 201, a front half coupling and 202, a rear half coupling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-8, the present invention provides a technical solution:

the utility model provides a large-scale tilting type waters mechanism of package, including inclusion tilting mechanism's former driving link and transmission, former driving link is motor 1, transmission contains the vice box that supplies the vice installation of transmission to fix of transmission, the box connects gradually from the top down is equipped with upper box 23, well box 17 and lower box 8, tilting mechanism's transmission from the bottom up connects gradually and is equipped with first order transmission pair, second grade transmission pair and third grade transmission pair, the vice spiral bevel gear drive mode that adopts of first order transmission, second grade transmission pair and third grade transmission pair adopt worm gear drive mode;

the first-stage transmission pair is arranged in the lower box body 8 and comprises a longitudinally-arranged arc-tooth bevel gear shaft 6 and an arc-tooth bevel gear 14 matched with the same and arranged on the small worm 15, the second-stage transmission pair comprises a transversely-arranged small worm 15 and a small worm wheel 16 meshed with the small worm, the small worm 15 is arranged in the lower box body 8, the small worm wheel 16 is arranged between the middle box body 17 and the lower box body 8, the third-stage transmission pair comprises a longitudinally-arranged large worm 19 coaxially arranged with the small worm wheel 16 and a large worm wheel 24 meshed with the large worm wheel, the large worm 19 is arranged between the middle box body 17 and the lower box body 8, the large worm wheel 24 is arranged between the middle box body 17 and the upper box body 23, and a transversely-arranged driving shaft 13 arranged in the upper box body 23 sequentially drives the first-stage transmission pair, the second-stage transmission pair and the third-stage transmission pair to be in transmission connection through the motor 1 so as to drive the third-stage transmission pair to rotate.

The utility model discloses the first order transmission of the power input end of mechanism that verts is vice, and high-speed transmission is vice to be set up in box 8 down promptly, lets the vice abundant infiltration of high-speed transmission in the lubricated environment of mechanical oil, simultaneously, and the mounted position of having guaranteed input operation hand wheel 11 indirectly is in the height that is fit for the workman to operate, convenient operation, labour saving and time saving. The utility model discloses a mechanism of verting can provide that large-scale formula of verting waters the low-speed, the big moment of torsion that the package required verts and the inclusion can stop the function of locking at the optional position.

The utility model discloses a spiral bevel gear 14 that the mechanism that verts in the vice adoption of first order transmission can increase gear engagement's contact ratio, improves the bearing capacity of gear, reduces because of the transmission is not steady and produces the possibility of noise. The worm gear transmission adopted by the second-stage transmission pair and the third-stage transmission pair can provide a large transmission ratio required by the slow rotation of the casting ladle, the worm gear designed here can also realize a reliable self-locking function, the casting ladle can be stopped at any angle to which the casting ladle rotates, and the safety is obviously improved.

The motor 1 is arranged on the side surface of the lower box body 8 through the base side, the coupler is an elastic sleeve pin coupler 2 which is coaxially connected with the arc-tooth bevel gear shaft 6 and comprises a front half coupler 201 and a rear half coupler 202 which are fixedly connected through a nut and a pin shaft, the edges of connecting seats of the front half coupler 201 and the rear half coupler 202 are circumferentially provided with a front connecting hole and a rear connecting hole which are matched with each other, and the pin shaft penetrates through the front connecting hole forwards from the rear connecting hole and then is locked and fixed through the nut matched with the front connecting hole; and a polyurethane rubber ring 10 is further sleeved on the pin shaft positioned in the rear connecting hole, and a gasket 5 is further sleeved on the pin shaft between the polyurethane rubber ring 10 and the front half coupling 201. 5 polyurethane rubber rings 10 are sleeved in the rear connecting hole of the rear half coupling 202 and on the outer ring of each pin shaft, the coupling is compact in structure and convenient to assemble, has certain elasticity and buffering performance, compensates position offset caused by poor assembly, meets the requirement that a coupling connecting piece has certain strength, and also has certain axial and radial adjusting functions.

And the first transmission pair comprises a longitudinally-arranged arc-tooth bevel gear shaft 6 and an arc-tooth bevel gear 14 which is arranged on the small worm 15 in a matching way, the arc-tooth bevel gear shaft 6 is connected with the motor 1 through a coupler, the arc-tooth bevel gear 14 is arranged at one end of the small worm 15, and the motor 1 drives the small worm 15 to rotate through the arc-tooth bevel gear pair.

The arc-tooth bevel gear shaft 6 extends to the front extending end and is also connected with two conical roller bearings which are oppositely arranged and installed, the conical roller bearings are axially limited and sealed by a first bearing sleeve cover 3 and a first bearing sleeve 4 which are mutually matched from front to back outside, a boss of the first bearing sleeve cover 3 is clamped into the first bearing sleeve 4, and the first bearing sleeve cover and the boss are fixedly connected through bolts; the inner hole of the first bearing sleeve cover 3 and the joint surface of the arc-tooth bevel gear shaft 6 are sealed through a felt ring and a lip-shaped sealing ring, so that the mechanical oil in the box body is prevented from leaking. The front end of the first bearing sleeve 4 is inserted into a mounting hole longitudinally arranged on the left side of the lower box body 8 and is fixed with the outer end face of the mounting hole through a bolt.

The utility model adopts the elastic sleeve pin coupling 2 to transmit torque, in the prior art, the traditional elastic pin coupling and the flange coupling respectively adopt nylon rod pins and bolt connection to transmit torque, the nylon rod has certain toughness, but the market material quality is uneven, the toughness index is difficult to ensure, and under heavy load conditions, the pin roll shearing strength of nylon material is insufficient, but the strength can be ensured by adopting bolt connection, but the rigid connection in bolt form has higher requirements on the assembly coaxiality and the position precision of the motor shaft and the input end of the tilting mechanism, and for the adverse effect caused by manufacturing and installation deviation, the bolt connection can not play the role of axial and radial adjustment, and can not play the role of buffering and vibration absorption when starting equipment, and the elastic sleeve pin coupling 2 used in the utility model-the polyurethane rubber ring 10 installed in the rear connecting hole of the rear half coupling 202, the axial and radial adjustment and buffering functions can be simultaneously realized, the position offset caused by poor assembly is compensated, the strength of the coupler connecting piece is met, the displacement adjusting function is also realized, and the transmission effect is good through the actual verification of multiple devices.

The small worm 15 can be transversely installed in the lower box body 8 in a rotating mode, and two ends of the small worm are axially limited through the bearing and the bearing installation seat on the lower box body 8. The spiral bevel gear 14 arranged on the left side of the small worm 15 is meshed with the spiral bevel gear shaft 6 at an angle of 90 degrees, and the spiral bevel gear 14 is axially fixed through a round nut in the axial direction. The left end of the small worm 15 extends out of an inner hole of an end cover on the left side of the lower box body 8, the part of the small worm extending out of the lower box body 8 is detachably and fixedly connected with an operation hand wheel 11, a square-section shaft head matched with the operation hand wheel 11 is manufactured at the left end of the small worm 15, the operation of fast mounting and dismounting of the operation hand wheel 11 is facilitated, time and labor are saved, and the working efficiency is remarkably improved. The utility model discloses a manual emergency operation hand wheel 11 that mechanism of verting was equipped with, when the motor-driven function can not the during operation, can install operation hand wheel 11 fast, through little worm 15, little worm wheel 16 and big worm 19, big worm wheel 24's two-stage meshing transmission, realize watering the manual work of package, applicable wide range ensures that whole watering the package verts to last effectively going on.

And a felt ring and a lip-shaped sealing ring are further arranged between the inner hole of the end cover on the left side of the lower box body 8 and the small worm 15 for sealing treatment, so that the leakage of mechanical oil in the gap of the shaft hole is further prevented.

One end of the large worm 19 of the third-stage transmission pair is provided with a small worm wheel 16 meshed and matched with the small worm 15, and the small worm 15 rotates to drive the small worm wheel 16 to rotate, so that the large worm 19 is driven to rotate. The big worm 19 is longitudinally and rotatably connected in bearing holes on the front side and the rear side of the middle box body 17 and the lower box body 8 after combination, the box body is respectively provided with an installation positioning groove matched with the front position and the rear position of the big worm 19, a bearing and an axial bearing ring 18 are also arranged between the big worm 19 and the installation positioning groove, the axial bearing rings 18 positioned in the two installation positioning grooves are oppositely arranged, the big worm 19 is arranged in the bearing holes on the two sides of the middle box body 17 and the lower box body 8 after combination through the bearing and the two axial bearing rings 18, the deep groove ball bearings arranged on the two sides of the big worm 19 are used for bearing radial force, the thrust ball bearings arranged on the two sides are used for transmitting axial force, the outer rings of the thrust ball bearings are arranged in the axial bearing rings 18 on the left side and the right side, the axial bearing rings 18 are used for bearing the axial force generated in the worm transmission process, and the position of the axial bearing rings 18 is fixed to ensure that the worm does not generate axial float in the rotation process, finally, the effectiveness and the safety of the whole motion transmission are ensured.

A big worm wheel 24 meshed and matched with the big worm 19 is arranged at one end of the bag body driving shaft 13 in the upper box body 23, the other side of the bag body driving shaft 13 is connected with a shaft seat 25 on the bag body through a shaft key structure, and the big worm 19 rotates to drive the big worm wheel 24 to rotate, so that the bag body driving shaft 13 is driven to rotate. The middle of the ladle driving shaft 13 is connected and installed on a hanging column 9 of the casting ladle gantry frame component through a self-aligning roller bearing. And a transmission case clamping fork 20 is further arranged at the lower part of one side of the middle case body 17, and the lower part of the square section of the hanging column 9 is fixedly connected with the transmission case clamping fork 20, so that the whole case body is fixedly connected with the hanging column 9.

The utility model discloses a structural style of two axial load rings 18 location of subtend installation in the constant head tank of box both sides bearing housing hole processing transmits last box 23 and lower box 8 with the huge axial force that big worm 19 produced, has effectively avoided because of the adverse effect of big worm gear pair transmission and auto-lock performance of big worm 19's axial float, is showing and has improved the security performance of tilting mechanism.

In addition, the upper box body 23 is further provided with a first oil filling screw plug 21, the middle box body 17 is further provided with a second oil filling screw plug 22 which is used for oiling and lubricating a casting ladle transmission pair respectively, and the lower box body 8 is further provided with an oil window 12 which is used for observing the oil level, so that the whole large tilting mechanism of the tilting type casting ladle can be ensured to continuously and effectively work, the maintenance and the detection are convenient, and the service life of the tilting mechanism is prolonged.

The utility model discloses a large-scale tilting type waters transmission process of mechanism of verting of package as follows:

firstly, after the initial torque of the motor 1 is output, the initial torque is transmitted to a spiral bevel gear shaft 6 of a first-stage transmission pair of the tilting mechanism through an elastic sleeve pin coupler 2, and a small worm 15 of a second-stage transmission pair provided with the spiral bevel gear 14 is driven to rotate as the spiral bevel gear 14 is meshed with the spiral bevel gear shaft 6;

because the small worm wheel 16 of the second-stage transmission pair is meshed with the small worm 15, the large worm 19 of the third-stage transmission pair provided with the small worm wheel 16 is driven to rotate, then power is transmitted to the large worm wheel 24 meshed with the large worm 19, and finally the large worm wheel 24 drives the ladle driving shaft 13 fixedly arranged on the ladle shaft seat 25 to rotate, so that the tilting motion of the ladle is controlled.

The utility model discloses a large-scale tilting type waters mechanism of verting of package, device rational in infrastructure overall arrangement, the overall dimension space of watering the package has been saved, through the vice deceleration reinforcement effect of tertiary transmission down realize watering the motion of verting of package, bearing capacity is showing and improves, safety and stability obtains guaranteeing, can provide the low-speed of package requirement is watered to large-scale tilting type, big moment of torsion is verted, can match capacity and reach 60t-80t and water the package, be applicable to the large-scale tilting type of the pouring operation use of the large-scale foundry goods class product of foundry goods (for example wind-powered electricity products) and water the package (rated capacity 60t-80t), the biggest 80t that satisfies waters the package (the package is watered to the biggest internal biggest tilting type at present).

Because the helix angle of the small worm 15 of the second-stage transmission pair of the tilting mechanism is smaller than the equivalent friction angle, the reliable self-locking of the casting ladle can be realized, and the ladle body can be stopped and locked at any position.

The utility model discloses to large-scale tilting type water ladle vert the mechanism, great innovation has been carried out to box structure and its inside transmission structure, has adopted the vice high-speed level of first order transmission to invert the scheme that the low level was arranged, and the vice setting of high-speed level transmission is under box 8 promptly, lets the vice abundant infiltration of high-speed transmission in the lubricated environment of mechanical oil, very big improvement water ladle high-speed level's lubrication and heat dissipation condition, prolonged the vice life of high-speed level gear of the first order transmission of water ladle. Meanwhile, the mounting position of the input end operation hand wheel 11 is indirectly ensured to be at a height suitable for the operation of workers, the operation is convenient, and time and labor are saved.

The utility model discloses a 14 transmissions of spiral bevel gear that the first order transmission pair adopted in the mechanism of verting can increase gear engagement's degree of contact, improves the bearing capacity of gear, reduces because of the transmission is not steady and the possibility of noise production. The worm gear transmission adopted by the second-stage transmission pair and the third-stage transmission pair can provide a large transmission ratio required by the slow rotation of the casting ladle, and the worm gear designed here can also realize a reliable self-locking function, so that the casting ladle can be stopped at any angle to which the casting ladle rotates. The elastic sleeve pin coupling 2 for transmitting the power of the motor 1 has good use safety performance after the practical verification of a plurality of casting ladle products. The polyurethane rubber ring 10 is sleeved in the rear connecting hole of the rear half coupling 202 and on the outer ring of each pin shaft, has certain elasticity and buffering performance, compensates position offset caused by poor assembly, meets the strength of a coupling connecting piece, and has the radial and axial adjusting functions. The scheme is verified by a plurality of devices, and the transmission effect is good.

The utility model discloses a manual emergency operation hand wheel 11 that mechanism of verting was equipped with, the left end portion of the vice little worm 15 of second grade transmission make with 11 assorted square cross section spindle noses of operation hand wheel, make things convenient for the fast loading and unloading operation of operation hand wheel 11, labour saving and time saving is showing and is improving work efficiency. When the electric function can not work, can install operation hand wheel 11 fast, through little worm 15, little worm wheel 16 and big worm 19, big worm wheel 24's two-stage meshing transmission, realize the manual work of casting the package, applicable wide range ensures that whole casting package verts continuously effectively goes on.

The utility model discloses a structural style of two axial load rings 18 location of subtend installation in the constant head tank of box both sides bearing housing hole processing, the huge axial force that will produce big worm 19 transmits well box 17 and lower box 8, has greatly improved the axial atress condition of the bearing of adorning on the big worm 19, has effectively avoided simultaneously because of the adverse effect of big worm 19's axial float to worm-gear pair auto-lock performance, has greatly improved the driven continuity and the security of tilting mechanism.

To sum up, the utility model discloses a large-scale formula of verting of watering packet verts mechanism, device rational in infrastructure overall arrangement, transmission structure intensity is high, small, through the vice deceleration reinforcement effect of tertiary transmission down realize watering packet's the motion of verting, safety and stability is showing and is improving, can provide the low-speed of large-scale formula of verting watering packet requirement, big moment of torsion verts and the inclusion can stop the function of locking at the optional position, finally guarantee the validity and the security of whole motion transmission, labour saving and time saving is showing the work efficiency who improves the user.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a large-scale tilting type waters mechanism of verting of package, a serial communication port, including inclusion tilting mechanism's former driving link and transmission, former driving link is the motor, transmission contains the transmission vice and supplies the vice fixed box of installation of transmission, the box from the top down connects gradually and is equipped with box, well box and lower box, tilting mechanism's transmission from the bottom up connects gradually and is equipped with first order transmission vice, second grade transmission vice and third grade transmission vice, the first order transmission is vice to adopt the transmission mode of curved tooth bevel gear, the vice worm gear transmission mode that all adopts of second grade transmission and third grade transmission,

the first-stage transmission pair is arranged in the lower box body and comprises a cambered bevel gear shaft which is longitudinally arranged and a cambered bevel gear which is installed on a small worm in a matching way, the second-stage transmission pair comprises the small worm which is transversely arranged and a small worm wheel which is meshed with the small worm, the small worm is arranged in the lower box body, the small worm wheel is arranged between the middle box body and the lower box body, the third-stage transmission pair comprises a large worm which is longitudinally arranged and coaxially installed with the small worm wheel and a large worm wheel which is meshed with the large worm, the large worm is arranged between the middle box body and the lower box body, and the large worm wheel is arranged between the middle box body and the upper box body,

and a bag body driving shaft transversely arranged in the inner hole of the large worm gear drives the first-stage transmission pair, the second-stage transmission pair and the third-stage transmission pair to be in transmission connection in sequence by the power provided by the motor so as to drive the bag body driving shaft to rotate.

2. The tilting mechanism of claim 1, wherein said motor is laterally mounted in said lower housing, said first transmission pair comprises a coupling and a bevel gear pair, said bevel gear pair comprises said bevel gear shaft and said bevel gear, said bevel gear shaft and said motor are engaged with each other, said bevel gear shaft is connected to said motor through said coupling, said bevel gear is disposed at one end of said small worm, and said motor drives said small worm to rotate through said bevel gear pair.

3. The tilting mechanism of a large tilting ladle according to claim 2, wherein the coupling is an elastic sleeve pin coupling coaxially connected with the arc-tooth bevel gear shaft, and comprises a front half coupling and a rear half coupling which are fixedly connected with each other through a nut and a pin shaft, the edges of the connecting seats of the front half coupling and the rear half coupling are circumferentially provided with a front connecting hole and a rear connecting hole which are matched with each other, and the pin shaft is locked and fixed through the nut matched with the pin shaft after passing through the front connecting hole from the rear connecting hole forward;

and a polyurethane rubber ring is further sleeved on the pin shaft and positioned in the rear connecting hole, and a gasket is further sleeved on the pin shaft between the polyurethane rubber ring and the front half coupling.

4. The tilting mechanism of a large tilting ladle according to claim 3 wherein said arc gear shaft is extended forward to an outward extending end, and two tapered roller bearings are connected and installed in opposite directions, and said tapered roller bearings are axially limited and sealed by a first bearing sleeve cover and a first bearing sleeve which are matched with each other from front to back,

the boss of the first bearing sleeve cover is clamped in the first bearing sleeve and fixedly connected with the first bearing sleeve through a bolt; the inner hole of the first bearing sleeve cover and the bonding surface of the arc-tooth bevel gear shaft are sealed through a felt ring and a lip-shaped sealing ring;

the front end of the first bearing sleeve is inserted into a mounting hole longitudinally formed in the left side of the lower box body and is fixed with the outer end face of the mounting hole through a bolt.

5. The tilting mechanism for large tilting ladle according to claim 4 wherein said small worm is rotatably and transversely mounted in said lower housing, and both ends of said small worm are axially restrained by a bearing and a bearing mounting seat on said lower housing; the spiral bevel gear installed on the left side of the small worm is meshed with the spiral bevel gear shaft at an angle of 90 degrees, and the spiral bevel gear is axially fixed through a round nut in the axial direction.

6. The tilting mechanism of a large tilting ladle according to claim 5, wherein the left end of the small worm extends out of an inner hole of an end cover at the left side of the lower box body, an operation hand wheel is detachably and fixedly connected to the part of the small worm extending out of the lower box body, and the left end of the small worm is made into a square-section shaft head matched with the operation hand wheel;

and a felt ring and a lip-shaped sealing ring are further arranged between the end cover inner hole on the left side of the lower box body and the small worm for sealing treatment.

7. The tilting mechanism of a large tilting ladle according to claim 4, wherein said large worm is longitudinally and rotatably connected in bearing holes on both sides of the front and the back of the combined middle and lower cases, said cases are respectively provided with mounting positioning slots matching with the front and the back of said large worm, a bearing and an axial force-bearing ring are further installed between said large worm and said mounting positioning slots, and said axial force-bearing rings located in said two mounting positioning slots are oppositely arranged;

one end of the large worm of the third-stage transmission pair is provided with the small worm wheel meshed with the small worm, and the small worm rotates to drive the small worm wheel to rotate, so that the large worm is driven to rotate.

8. The tilting mechanism of a large tilting ladle according to claim 3, wherein the large worm wheel meshed with the large worm is arranged at one end of the ladle body driving shaft in the upper box, the other side of the ladle body driving shaft is connected with a shaft seat on the ladle body through a shaft key structure, and the large worm rotates to drive the large worm wheel to rotate, so that the rotation of the ladle body driving shaft is driven;

the middle of the ladle driving shaft is connected and installed on a suspension post of the ladle gantry frame assembly through a self-aligning roller bearing.

9. The tilting mechanism of a large tilting ladle according to claim 8, wherein a transmission case locking fork is further provided at a lower portion of one side of the middle box body, and a lower portion of the suspension post is fixedly connected to the transmission case locking fork, thereby fixedly connecting the whole box body to the suspension post.

10. The tilting mechanism for large tilting ladle according to claim 8, wherein the upper box is further provided with a first oil filling screw plug, the middle box is further provided with a second oil filling screw plug for lubricating the ladle transmission pair, and the lower box is further provided with an oil window for observing the oil level.

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