CN221255608U - Assembled tooth-shaped driving wheel for excavator - Google Patents
Assembled tooth-shaped driving wheel for excavator Download PDFInfo
- Publication number
- CN221255608U CN221255608U CN202322743559.0U CN202322743559U CN221255608U CN 221255608 U CN221255608 U CN 221255608U CN 202322743559 U CN202322743559 U CN 202322743559U CN 221255608 U CN221255608 U CN 221255608U
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- gear teeth
- wheel body
- excavator
- key
- wheel
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- 238000005065 mining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of mining excavators, and particularly relates to an assembled tooth-shaped driving wheel for an excavator. The utility model has the advantages that the gear teeth and the wheel body are detachable, the bolt holes and the key grooves are uniformly distributed in the circumferential direction of the wheel body and the gear teeth, the wheel body and the gear teeth are installed and fixed through the bolts and the keys, the gear teeth belong to parts easy to wear, the wheel body and the gear teeth are detachable, the gear teeth are replaced after the gear teeth are worn, and the quality and the consumption are improved.
Description
Technical Field
The utility model belongs to the technical field of mining excavators, and particularly relates to an assembled tooth-shaped driving wheel for an excavator.
Background
The universal driving gear of the excavator with the thickness of more than 10m 3 is integrally cast, the material is ZG30CrNiMo, the heat treatment hardening and tempering hardness HB260-286, the surface quenching HRC40-45 of the use surface of the rim and the assembly form of the driving shaft are of an internal spline structure, the driving gear is of an integrated structure, the left part and the right part of the driving shaft of each excavator are respectively connected with parts between the tracks of the driving shaft, the universal driving gear belongs to a common consumption product, the service cycle is 3-4 months, the gears can only be integrally replaced during replacement, and the cost is high.
Therefore, it is necessary to provide an assembled tooth-shaped driving wheel for an excavator, which adopts a split design and improves quality and reduces consumption.
Disclosure of utility model
The utility model aims to provide an assembled tooth-shaped driving wheel for an excavator, which adopts split design for parts easy to wear, improves quality and reduces consumption.
The aim of the utility model is realized by the following technical scheme:
The present utility model provides an assembled tooth drive wheel for an excavator, comprising: the middle parts of two sides of the wheel body are symmetrically provided with cylindrical bosses, the center of each cylindrical boss is provided with a spline groove, a plurality of first bolt holes and a plurality of first spline grooves are uniformly distributed along the periphery of each cylindrical boss,
The middle part of the gear teeth is provided with a positioning hole, a plurality of teeth are uniformly distributed on the circumference of the gear teeth, a plurality of second bolt holes are uniformly distributed on the periphery of the positioning hole, a second key groove is arranged on the teeth,
The pair of gear teeth are detachably arranged on two sides of the wheel body, the positioning holes are in positioning connection with the cylindrical boss, the first bolt holes are aligned with the second bolt holes and are connected through bolts, and the first key grooves are aligned with the second key grooves and are connected through keys.
Preferably, the edge of the wheel body is polygonal, and the surface of each section of polygonal is provided with an outward protruding radian.
Preferably, the first key groove and the second key groove are square key grooves, and the key is a square key.
The utility model has the advantages that:
The assembled tooth-shaped driving wheel for the excavator is detachable between the gear teeth and the wheel body, bolt holes and key grooves are uniformly distributed in the circumferential direction of the wheel body and the gear teeth, the wheel body and the gear teeth are fixedly installed through the bolts and the keys, the gear teeth belong to parts easy to wear, the wheel body and the gear teeth are detachable, the gear teeth are replaced after the gear teeth are worn, and quality and consumption are improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present utility model will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings. Wherein like reference numerals generally refer to like elements throughout the exemplary embodiments.
FIG. 1 is a schematic illustration of the engagement of a track with a toothed drive wheel in accordance with one embodiment of the present utility model.
Fig. 2 is a schematic diagram of a wheel body according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a gear tooth structure according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a toothed driving wheel structure according to an embodiment of the present utility model.
Reference numerals:
1. A wheel body; 2. gear teeth; 3. a first keyway; 4. a first bolt hole; 5. a cylindrical boss; 6. spline grooves; 7. a second keyway; 8. a second bolt hole; 9. positioning holes; 10. teeth; 11. a track.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1-4, the assembled tooth-shaped driving wheel for the excavator is characterized in that a wheel body 1 is symmetrically provided with cylindrical bosses 5 at the middle parts of two sides of the wheel body 1, a spline groove 6 is arranged at the center of each cylindrical boss 5, and 18 first bolt holes 4 and 18 first spline grooves 3 are uniformly distributed along the periphery of each cylindrical boss 5; the middle part of a pair of teeth of a cogwheel 2 is equipped with locating hole 9, and the circumference equipartition of teeth of a cogwheel has 18 teeth of a cogwheel 10, and the periphery equipartition of locating hole 9 has 18 second bolt holes 8, is equipped with a second keyway 7 on every tooth 10, and a pair of teeth of a cogwheel 2 detachably sets up in the both sides of wheel body 1, and locating hole 9 and cylinder boss 5 location are connected, and first bolt hole 4 aligns and passes through bolted connection with second bolt hole 8, and first keyway 3 aligns and passes through keyed connection with second keyway 7.
Specifically, as shown in fig. 2 and 3, each tooth 10 of the gear teeth 2 is provided with a key slot, and is connected with the gear body 1 through a key, so that the connection strength between the gear body 1 and the gear teeth 2 is ensured, and the gear teeth are prevented from being broken when engaged. When the gear teeth of the assembled toothed driving wheel are worn, the wheel body 1 and the gear teeth 2 can be disassembled to replace the new gear teeth 2.
As shown in fig. 1, the crawler belt 11 of the excavator is formed by sequentially connecting a plurality of link plates, each link plate is provided with a tooth-shaped protrusion matched with the gear teeth of the gear teeth 2, and the link plate is connected with the spline groove 6 of the wheel body 2 through a spline shaft to drive the assembled tooth-shaped wheel to rotate. The pair of gear teeth 2 are symmetrically arranged on two sides of the wheel body 1, are connected with the positioning holes 9 in a matched mode through the cylindrical bosses 5, bolt holes and key grooves are uniformly distributed in the circumferential directions of the wheel body 1 and the gear teeth 2, and the wheel body 1 and the gear teeth 2 are fixedly installed through the bolts and the keys. During operation, the gear teeth 2 belong to parts easy to abrade, the wheel body 1 and the gear teeth 2 can be disassembled, and the gear teeth are replaced after the gear teeth are abraded, so that the quality is improved and the consumption is reduced.
In this embodiment, as shown in fig. 2, the edge of the wheel body 1 is polygonal, and the surface of each polygon is provided with an outward protruding arc, so as to reduce rolling friction when the crawler belt 11 is meshed with the toothed driving wheel.
In this embodiment, the first key groove 3 and the second key groove 7 are square key grooves respectively, and the keys are square keys, so that the installation is convenient.
As shown in fig. 1, when the assembled toothed driving wheel of this embodiment is assembled, a pair of gear teeth 2 are symmetrically arranged on two sides of a wheel body 1, and are positioned and connected with a positioning hole 9 through a cylindrical boss 5, a first bolt hole 4 on the wheel body 1 is aligned with a second bolt hole 8 on the gear teeth 2, and are fixed by an M30 bolt, a first key groove 3 on the wheel body 1 is aligned with a second key groove 7 on the gear teeth 2, and are connected and fixed by a square key, and a joint welding is performed at a position, the surface of the square key is lower than the surface 10mm of the gear teeth 2, so that the wheel body 1 and the gear teeth 2 are assembled into a whole. When the assembled tooth-shaped driving wheel of the embodiment works, the assembled tooth-shaped driving wheel is meshed with the gear teeth on the crawler belt 11 for transmission.
The assembled tooth-shaped driving wheel of the embodiment is manufactured by adopting the wheel body 1 and the gear teeth 2 respectively, so that quality is improved and consumption is reduced in an assembling mode.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (3)
1. An assembled toothed drive wheel for an excavator, comprising:
The middle parts of two sides of the wheel body are symmetrically provided with cylindrical bosses, the centers of the cylindrical bosses are provided with spline grooves, and a plurality of first bolt holes and a plurality of first spline grooves are uniformly distributed along the periphery of the cylindrical bosses;
The middle part of each gear tooth is provided with a positioning hole, a plurality of teeth are uniformly distributed on the circumference of each gear tooth, a plurality of second bolt holes are uniformly distributed on the periphery of each positioning hole, and a second key groove is formed in each tooth;
The pair of gear teeth are detachably arranged on two sides of the wheel body, the positioning holes are in positioning connection with the cylindrical boss, the first bolt holes are aligned with the second bolt holes and are connected through bolts, and the first key grooves are aligned with the second key grooves and are connected through keys.
2. The assembled toothed driving wheel for an excavator according to claim 1, wherein the rim of the wheel body is polygonal, and each segment of the polygonal surface is provided with an outwardly convex arc.
3. The assembled toothed driving wheel for an excavator of claim 1 wherein the first keyway and the second keyway are square key grooves and the key is a square key.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221255608U true CN221255608U (en) | 2024-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |