CN219488950U - Easy maintenance type bucket wheel machine rotation driving mechanism - Google Patents
Easy maintenance type bucket wheel machine rotation driving mechanism Download PDFInfo
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- CN219488950U CN219488950U CN202320437332.0U CN202320437332U CN219488950U CN 219488950 U CN219488950 U CN 219488950U CN 202320437332 U CN202320437332 U CN 202320437332U CN 219488950 U CN219488950 U CN 219488950U
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Abstract
The utility model belongs to the technical field of bucket wheel machine equipment. The rotary driving mechanism of the bucket wheel machine easy to overhaul and maintain comprises a door seat frame, a rotary platform and a driving part, wherein the rotary platform is correspondingly arranged on the door seat frame, and a rotary bearing is arranged between the rotary platform and the door seat frame; the driving part is arranged on the rotary platform and is used for driving the rotary platform to rotate on the door seat frame; the rotary bearing comprises a rotary bearing inner ring, a rotary bearing outer ring and tooth blocks, wherein a plurality of tooth blocks are arranged on the peripheral wall of the rotary bearing outer ring in a laminating manner, and the tooth blocks are sequentially arranged in a laminating manner to form a rotary gear ring; the output end of the driving part is provided with a driving gear, the rotary platform is also provided with a transition gear, and the transition gear is meshed with the driving gear and the rotary gear ring for transmission. This application structural design is reasonable, can improve the practicality of product greatly, can reduce the preparation degree of difficulty and the manufacturing cost of product, optimizes the assembly structure of product, more is convenient for follow-up maintenance operation.
Description
Technical Field
The utility model belongs to the technical field of bucket wheel machine equipment, and particularly relates to an easy-to-overhaul maintenance type bucket wheel machine rotation driving mechanism.
Background
The rotating mechanism of the bucket wheel machine generally adopts a rotating turntable bearing, the conventional structure is that the rotating turntable bearing is provided with external teeth, a driving pinion is driven by a driving speed reducer to rotate, and the driving pinion is meshed with the external teeth of the turntable bearing, so that the turntable bearing is pushed to rotate, and the rotating action of the bucket wheel machine is realized.
Because the diameter of the rotary turntable bearing of the bucket wheel machine of the rotary mechanism is larger, generally more than 3 meters, the turntable bearing with larger diameter can reach 6-8 meters, and the external teeth are machined on the outer ring of the turntable bearing, so that the cost is higher and the machining difficulty is higher. And once the external teeth of the rotary turntable bearing are seriously worn, the whole turntable bearing needs to be directly replaced, and the loss is large.
In the prior art, an external tooth structure of an assembled structure exists, but the assembled structure still has a plurality of problems when the assembled structure is applied to a large-diameter rotary turntable bearing, the maintenance is inconvenient, the great difficulty exists, vulnerable parts are often concentrated on a main driving gear or external teeth, the replacement difficulty is great, long-time shutdown and hoisting of heavy lifting equipment are required, the practicability is poor, and further optimization and improvement in practical application cannot be realized.
Therefore, the application aims at the new problems in practical application, and provides a solution for structural arrangement of the whole slewing mechanism so as to solve the problems in the practical application process.
Disclosure of Invention
The utility model aims to solve the problems and the defects, and provides the rotary driving mechanism of the bucket wheel machine which is easy to overhaul and maintain.
In order to achieve the above purpose, the technical scheme adopted is as follows:
the utility model provides an easy maintenance formula bucket wheel machine gyration actuating mechanism, includes:
a door mount;
the rotary platform is correspondingly arranged on the door seat frame, and a rotary bearing is arranged between the rotary platform and the door seat frame; and
the driving part is arranged on the rotary platform and is used for driving the rotary platform to rotate on the door seat frame;
the slew bearing comprises:
the turntable bearing inner ring is fixedly arranged on the rotary platform;
the turntable bearing outer ring is fixedly arranged on the door seat frame; and
the tooth blocks are arranged on the peripheral wall of the outer ring of the turntable bearing in a laminating way, and the tooth blocks are sequentially arranged in a laminating way to form a rotary gear ring;
the output end of the driving part is provided with a driving gear, the rotary platform is also provided with a transition gear, and the transition gear is meshed with the driving gear and the rotary gear ring for transmission.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotation driving mechanism of the present utility model, preferably, the driving part includes:
a driving motor; and
the rotary speed reducer is in transmission connection with the driving motor and is fixedly arranged on the rotary platform; the driving gear is arranged at the output end of the rotary speed reducer.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotation driving mechanism, preferably, the upper seat ring of the rotation speed reducer is welded and fixed with the rotation platform, and the lower side of the rotation platform is provided with the guide hole corresponding to the rotation speed reducer.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotary driving mechanism, preferably, the surface quenching hardness of the transition gear is lower than that of the rotary gear ring and the driving gear.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotation driving mechanism, preferably, the inner ring of the turntable bearing is fixedly connected with the rotation platform through the bolts, the outer ring of the turntable bearing is fixedly connected with the door seat frame through the bolts, the tooth blocks are fixedly connected with the door seat frame through the bolts, the inner wall surfaces of the tooth blocks are matched and attached with the outer wall surface of the outer ring of the turntable bearing, and the rotation gear ring and the outer ring of the turntable bearing are coaxially arranged.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotation driving mechanism, preferably, the rotation platform is provided with the transition gear mounting seat, the transition gear mounting seat is provided with the transition gear shaft, the upper side and the lower side of the transition gear shaft are provided with the positioning rings, the positioning rings are fixedly welded with the rotation platform, and the transition gear is assembled at the lower end of the transition gear shaft.
According to the rotary driving mechanism of the bucket wheel machine easy to overhaul and maintain, preferably, a sealing structure is arranged between the inner ring of the turntable bearing and the outer ring of the turntable bearing, the sealing structure comprises sealing plates arranged on the upper side and the lower side of the outer ring of the turntable bearing, the end parts of the sealing plates are attached to the inner ring of the turntable bearing, a first protection plate is further arranged on the upper side of the outer ring of the turntable bearing, a second protection plate is arranged on the upper side of the inner ring of the turntable bearing, and the end parts of the first protection plate and the second protection plate are arranged in a staggered and overlapped mode.
According to the easy-to-overhaul and maintenance type bucket wheel machine rotation driving mechanism, preferably, the tooth block comprises the fixing part positioned on the inner side and the tooth part positioned on the outer side, and the tooth block part and the tooth part are arranged in a step shape.
By adopting the technical scheme, the beneficial effects are that:
this application structural design is reasonable, can improve the practicality of product greatly, can reduce the preparation degree of difficulty and the manufacturing cost of product, optimizes the assembly structure of product, more is convenient for follow-up maintenance operation. The setting of drive part and transition gear of this application can optimize the assembly relation to follow-up part change and equipment maintenance of being convenient for reduce the dismouting degree of difficulty, can make it become wearing parts to the design of transition gear's surface quenching hardness, can reduce the damage probability and the frequency of tooth piece and driving gear in whole working process, improve its life, thereby conveniently dismantle and change transition gear when changing.
The assembly of the drive part and the assembly of the transition gear can both realize the assembly precision of an effective guarantee structure, and the problem of difficult assembly caused by structural size deviation is avoided. The driving gear is driven to rotate through the driving speed reducer, the transition gear is meshed with the driving gear, and the transition gear is meshed with the external teeth of the gear block, so that the turntable bearing is pushed to rotate. The transition gear is convenient to replace, the problem that the difficulty in replacing the driving gear in the original structure is high due to the fact that the driving gear and the slewing bearing are directly meshed and driven in the prior art is solved, and the problem that the construction difficulty of the slewing reducer is high due to the fact that the driving gear needs to be replaced in a repositioning mode after the driving gear is damaged is avoided. The function of turntable bearing external tooth has been replaced with annular tooth piece to this application, and annular tooth piece processing degree of difficulty is little, and is with low costs, and the later operation overhauls and changes conveniently, need not change whole big bearing because of the external tooth wearing and tearing of turntable bearing is serious in the primary structure any more. Meanwhile, the transition pinion is used as a transmission form of an intermediate transmission vulnerable part, so that the replacement difficulty and the replacement cost are further reduced.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description will briefly explain the drawings of the embodiments of the present utility model. Wherein the showings are for the purpose of illustrating some embodiments of the utility model only and not for the purpose of limiting the same.
Fig. 1 is a schematic structural diagram of a rotary driving mechanism of an easy-to-overhaul maintenance bucket wheel machine according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a driving portion according to an embodiment of the present utility model.
FIG. 3 is a schematic view of the A-A direction structure in FIG. 1.
FIG. 4 is a schematic diagram of a B-B direction structure according to an embodiment of the present utility model.
Fig. 5 is a schematic view of an installation structure of a transition gear according to an embodiment of the present utility model.
Fig. 6 is a schematic structural view of a slew bearing in accordance with an embodiment of the present utility model.
Fig. 7 is a schematic structural view of the C-C portion of fig. 6.
Fig. 8 is a schematic view of the structure of a tooth block according to an embodiment of the present utility model.
Fig. 9 is a schematic diagram of the structure of the portion D-D in fig. 8.
Number in the figure:
100 is a door mount;
200 is a rotary platform;
300 is a driving motor, 301 is a rotary speed reducer, 302 is an upper seat ring, 303 is a guide hole, and 304 is a driving gear;
400 is a slewing bearing, 401 is a slewing bearing inner ring, 402 is a slewing bearing outer ring, 403 is a tooth block, 4031 is a fixed part, 4032 is a tooth part, 404 is a transition gear, 405 is a transition gear mounting seat, 406 is a transition gear shaft, 407 is a positioning ring;
501 is a sealing plate, 502 is a first protection plate, and 503 is a second protection plate.
Detailed Description
In order to make the objects, technical features and technical effects of the technical solution of the present utility model more clear, an exemplary solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.
Referring to fig. 1-9, the application discloses a rotary driving mechanism of an easily overhauled and maintained bucket wheel machine, which comprises a door seat frame 100, a rotary platform 200 and a driving part, wherein the rotary platform 200 is correspondingly arranged on the door seat frame 100, and a rotary bearing 400 is arranged between the rotary platform 200 and the door seat frame 100; the driving part is provided on the rotary platform 200, and the driving part is used for driving the rotary platform 200 to rotate on the door frame 100.
The structure of the slewing bearing is as follows:
the rotary bearing in the embodiment comprises a rotary bearing inner ring 401, a rotary bearing outer ring 402 and a tooth block 403, wherein the rotary bearing inner ring 401 is fixedly arranged on the rotary platform 200; the turntable bearing outer race 402 is fixedly disposed on the door mount 100; the plurality of tooth blocks 403 are laminated and distributed on the peripheral wall of the outer ring 402 of the turntable bearing, the plurality of tooth blocks 403 are sequentially laminated, are circumferentially arranged and form a rotary gear ring, the specific structure of the tooth blocks 403 comprises a fixing portion 4031 positioned on the inner side and a tooth portion 4032 positioned on the outer side, and the fixing portion 4031 and the tooth portion 4032 are arranged in a step shape. Specifically, as shown in fig. 4, the inner race 401 of the turntable bearing is fixedly connected to the rotary platform 200 through bolts, the outer race 402 of the turntable bearing is fixedly connected to the door mount 100 through bolts, the tooth blocks 403 are fixedly connected to the door mount 100 through bolts, the inner wall surfaces of the tooth blocks 403 are matched and attached to the outer wall surface of the outer race 402 of the turntable bearing, and the rotary ring gear is coaxially arranged with the outer race 402 of the turntable bearing.
The driving part is driven by the following transmission modes:
the output end of the driving part is provided with a driving gear 304, the rotary platform 200 is also provided with a transition gear 404, and the transition gear 404 is meshed with the driving gear 304 and the rotary gear ring for transmission. The driving part comprises a driving motor 300 and a rotary speed reducer 301, wherein the rotary speed reducer 301 is in transmission connection with the driving motor 300, and the rotary speed reducer 301 is fixedly arranged on the rotary platform 200; the driving gear 304 is provided at the output end of the swing speed reducer 301.
In order to guarantee the assembly precision of the transition gear, the rotary platform 200 is provided with a transition gear mounting seat 405, the transition gear mounting seat 405 is provided with a transition gear shaft 406, the upper side and the lower side of the transition gear shaft 406 are provided with positioning rings 407, the positioning rings 407 are welded and fixed with the rotary platform 200, and the transition gear 404 is assembled at the lower end of the transition gear shaft 406.
The upper seat ring 302 of the rotary speed reducer 301 is welded and fixed with the rotary platform 200, and a guide hole 303 corresponding to the rotary speed reducer 301 is arranged on the lower side of the rotary platform 200.
In order to reduce the probability of damage to the tooth segments and the drive gear, the quench hardening of the transition gear 404 of the present application is lower than the quench hardening of the slewing ring gear and the drive gear 304.
Further, be provided with seal structure between the inner race 401 of the turntable bearing of this application and the outer race 402 of turntable bearing, seal structure is including setting up the closing plate 501 in the upper and lower both sides of outer race 402 of turntable bearing, and the tip and the laminating of inner race 401 of turntable bearing of closing plate 501 still are provided with first guard plate 502 in the outer race 402 upside of turntable bearing, and the inner race 501 upside of turntable bearing is provided with second guard plate 503, the tip dislocation coincide setting of first guard plate 502 and second guard plate 503.
In a specific installation application, the structural characteristics of each part mainly comprise the following points:
1. after the rotary speed reducer is installed in place, the upper seat ring is welded with the rotary platform, so that the condition that a speed reducer mounting flange cannot be fastened by bolts due to machining dimension errors is avoided.
2. A transition gear is added between the slewing bearing and the driving gear at the output end of the speed reducer, and the surface quenching hardness of the transition gear is lower than that of the other two gears. In the past, when no transition gear exists, a driving gear at the output end of the speed reducer is used as a wearing part, and when the driving gear is replaced, the speed reducer is required to be driven by being integrally lifted by a crane, the position of the whole speed reducer is adjusted, and the workload is too great.
3. The mounting structure of the transition gear mounting seat and the transition gear shaft is that after the gear side gap between the transition gear and the driving gear and the rotary gear ring formed by the gear blocks is adjusted, the upper and lower positioning rings are welded and fixed with the rotary platform. The transition gear is connected with the transition gear shaft through a bearing, so that the rotation of the transition gear is realized.
4. The slewing bearing consists of a turntable bearing and an annular gear ring formed by tooth blocks. The rotary bearing consists of a rotary bearing inner ring and a rotary bearing outer ring, wherein the rotary bearing inner ring is bolted with the rotary platform through bolts, and the rotary bearing outer ring is bolted with the door seat frame through bolts. The tooth block is bolted with the door seat frame through bolts.
5. The multi-section annular tooth blocks form a circular ring, so that the processing difficulty is low and the processing cost is low.
6. The inner ring of the annular tooth block needs to be finished independently, or the annular tooth blocks are spliced into an integral ring for integral processing. The processing diameter of the inner ring of the annular tooth block is the same as the processing diameter of the outer ring of the turntable bearing.
7. The annular tooth block is positioned by taking the outer ring of the turntable bearing during installation, and the inner ring of the annular tooth block is attached to the outer ring of the turntable bearing so as to ensure that the outer teeth of the tooth block are concentric with the turntable bearing.
8. When the external teeth of the slewing bearing are made into a block structure, when the local external teeth are worn or damaged, one tooth block can be independently replaced without replacing the whole slewing bearing. And the later-period operation, maintenance and replacement are convenient.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and adaptations can be made to the above-described specific embodiments and that various combinations of the features and structures can be made without departing from the scope of the present utility model as defined in the appended claims.
Claims (8)
1. The utility model provides an easy maintenance formula bucket wheel machine gyration actuating mechanism which characterized in that includes:
a door mount;
the rotary platform is correspondingly arranged on the door seat frame, and a rotary bearing is arranged between the rotary platform and the door seat frame; and
the driving part is arranged on the rotary platform and is used for driving the rotary platform to rotate on the door seat frame;
the slew bearing comprises:
the turntable bearing inner ring is fixedly arranged on the rotary platform;
the turntable bearing outer ring is fixedly arranged on the door seat frame; and
the tooth blocks are arranged on the peripheral wall of the outer ring of the turntable bearing in a laminating way, and the tooth blocks are sequentially arranged in a laminating way to form a rotary gear ring;
the output end of the driving part is provided with a driving gear, the rotary platform is also provided with a transition gear, and the transition gear is meshed with the driving gear and the rotary gear ring for transmission.
2. The easy-to-service and maintenance bucket wheel machine swing drive mechanism according to claim 1, wherein the drive section includes:
a driving motor; and
the rotary speed reducer is in transmission connection with the driving motor and is fixedly arranged on the rotary platform; the driving gear is arranged at the output end of the rotary speed reducer.
3. The easy-to-overhaul maintenance type bucket wheel machine rotation driving mechanism according to claim 2, wherein an upper seat ring of the rotation speed reducer is welded and fixed with a rotation platform, and a guide hole corresponding to the rotation speed reducer is arranged on the lower side of the rotation platform.
4. The easy-to-service bucket wheel machine swing drive mechanism according to claim 1, wherein the surface hardening hardness of the transition gear is lower than the surface hardening hardness of the swing ring gear and the drive gear.
5. The easy-to-overhaul maintenance type bucket wheel machine rotation driving mechanism according to claim 1, wherein the inner ring of the turntable bearing is fixedly connected with the rotation platform through a bolt, the outer ring of the turntable bearing is fixedly connected with the door seat frame through a bolt, the tooth blocks are fixedly connected with the door seat frame through a bolt, the inner wall surfaces of the tooth blocks are matched and attached with the outer wall surfaces of the outer ring of the turntable bearing, and the rotation gear ring is coaxially arranged with the outer ring of the turntable bearing.
6. The rotary driving mechanism of the bucket wheel machine easy to overhaul and maintain according to claim 1, wherein a transition gear mounting seat is arranged on the rotary platform, a transition gear shaft is arranged on the transition gear mounting seat, positioning rings are arranged on the upper side and the lower side of the transition gear shaft, the positioning rings are fixedly welded with the rotary platform, and the transition gear is assembled at the lower end of the transition gear shaft.
7. The easy-to-overhaul maintenance type bucket wheel machine rotation driving mechanism according to claim 1, wherein a sealing structure is arranged between the inner ring of the turntable bearing and the outer ring of the turntable bearing, the sealing structure comprises sealing plates arranged on the upper side and the lower side of the outer ring of the turntable bearing, the end parts of the sealing plates are attached to the inner ring of the turntable bearing, a first protection plate is further arranged on the upper side of the outer ring of the turntable bearing, a second protection plate is arranged on the upper side of the inner ring of the turntable bearing, and the end parts of the first protection plate and the second protection plate are arranged in a staggered superposition mode.
8. The easy-to-overhaul maintenance type bucket wheel machine swing driving mechanism according to claim 1, wherein the tooth block comprises a fixing portion located on the inner side and a tooth portion located on the outer side, and the fixing portion and the tooth portion are arranged in a step shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437332.0U CN219488950U (en) | 2023-03-09 | 2023-03-09 | Easy maintenance type bucket wheel machine rotation driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437332.0U CN219488950U (en) | 2023-03-09 | 2023-03-09 | Easy maintenance type bucket wheel machine rotation driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219488950U true CN219488950U (en) | 2023-08-08 |
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ID=87515001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320437332.0U Active CN219488950U (en) | 2023-03-09 | 2023-03-09 | Easy maintenance type bucket wheel machine rotation driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219488950U (en) |
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2023
- 2023-03-09 CN CN202320437332.0U patent/CN219488950U/en active Active
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