CN216975680U - Excavator and anchor excavator loading speed reducer and excavator and anchor excavator - Google Patents
Excavator and anchor excavator loading speed reducer and excavator and anchor excavator Download PDFInfo
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- CN216975680U CN216975680U CN202220363683.7U CN202220363683U CN216975680U CN 216975680 U CN216975680 U CN 216975680U CN 202220363683 U CN202220363683 U CN 202220363683U CN 216975680 U CN216975680 U CN 216975680U
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Abstract
The utility model discloses a tunneling and anchoring machine loading speed reducer and a tunneling and anchoring machine, belonging to the technical field of tunneling machines, wherein the tunneling and anchoring machine loading speed reducer comprises a shell part and a speed reducer working part, and the speed reducer working part comprises: the input end of the input shaft is the power input end of the working part of the speed reducer; the output ends of the input shafts are in transmission connection with the power input ends of the plurality of mutually meshed gear shafts; a power steering mechanism; the power output ends of a plurality of mutually meshed gear shafts are in transmission connection with the power input end of the output shaft through the power steering mechanism, the output end of the output shaft is the power output end of the working part of the speed reducer, the deformation of the load speed reducer of the excavator caused by frequent extrusion in use is reduced, and the service life of the load speed reducer of the excavator is prolonged.
Description
Technical Field
The utility model belongs to the technical field of tunneling machines, and particularly relates to a tunneling and anchoring machine loading speed reducer and a tunneling and anchoring machine.
Background
The tunneling and anchoring machine is multifunctional combined type rapid tunneling equipment integrating functions of rapid tunneling, synchronous anchoring and protection, closed dust removal and the like; the anchor driving machine comprises: the method has the characteristics of high efficiency, environmental protection, safety and reliability, and is the most advanced tunneling equipment at home and abroad suitable for the safe, high-efficiency and intelligent development of the national coal industry.
The loading speed reducer is arranged below a shovel plate of the anchor driving machine, the loading speed reducer undertakes the task of loading the coal rake in the transportation groove, in the actual use process, the space below the shovel plate of the anchor driving machine is limited, the number of selectable speed reducer types is small, mutual extrusion can occur between coal and the loading speed reducer in the process that the shovel plate lifts a bedding bed, the common loading speed reducer is often extruded to cause deformation in use, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a loading speed reducer of an anchor driving machine and the anchor driving machine, which are used for stably installing the loading speed reduction of the anchor driving machine below a shovel plate of the anchor driving machine, ensuring the stable work of the loading speed reduction of the anchor driving machine and prolonging the service life of the loading speed reduction of the anchor driving machine.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the excavator loads speed reducer includes:
the speed reducer comprises a shell part and a speed reducer working part, wherein the speed reducer working part is arranged in the shell part, the shell part integrally and hermetically wraps the speed reducer working part, the shell part is provided with a power access cavity matched with the shape of an output shaft of an external motor, and a power input end of the speed reducer working part is positioned in the power access cavity;
the speed reducer work portion includes:
the input end of the input shaft is the power input end of the working part of the speed reducer;
the output ends of the input shafts are in transmission connection with the power input ends of the plurality of mutually meshed gear shafts;
a power steering mechanism;
and the power output ends of the plurality of mutually meshed gear shafts are in transmission connection with the power input end of the output shaft through the power steering mechanism, and the output end of the output shaft is the power output end of the working part of the speed reducer.
The input shaft is located directly below the output shaft.
The axial direction of the input shaft and the axial direction of the output shaft form an included angle.
The axial direction of the input shaft is perpendicular to the axial direction of the output shaft.
The power steering mechanism comprises a driving bevel gear and a driven bevel gear which are meshed with each other, the power output ends of a plurality of mutually meshed gear shafts are in transmission connection with the driving bevel gear, and the driven bevel gear is in transmission connection with the output shaft.
The plurality of mutually meshed gear shafts particularly comprise a first gear shaft and a second gear shaft, wherein the first gear shaft is provided with a first gear which rotates synchronously with the first gear, the second gear shaft is provided with a second gear which rotates synchronously with the second gear, the first gear shaft is coaxially connected with the input shaft in a transmission manner, the first gear is meshed with the second gear, and the second gear shaft is meshed with the driving bevel gear through the second gear.
And a third gear is arranged between the driving bevel gear and the second gear, the third gear is coaxially and fixedly connected with the driving bevel gear, and the driving bevel gear is meshed with the second gear through the third gear.
The driven bevel gear is in coaxial transmission connection with the output shaft.
The digging and anchoring machine loading speed reducer further comprises a star wheel, and the star wheel is arranged at the tail of the output end of the output shaft.
Compared with the prior art, the excavator and anchor loader speed reducer provided by the utility model has the advantages that the working part of the speed reducer is hermetically wrapped by adopting the shell part in an integrated manner, so that the normal operation of the working part of the speed reducer is protected. A power access cavity matched with the shape of an output shaft of an external motor is added to the shell part, and the access cavity ensures the integral sealing performance of the working part of the speed reducer after the motor is connected with the working part of the speed reducer. The working part of the speed reducer comprises an input shaft, a plurality of gear shafts which are meshed with each other, a power steering mechanism and an output shaft, power is received and transmitted through the input shaft and the output shaft, a power transmission route of the loading speed reducer of the excavator is changed into a broken line type through the gear shafts and the power steering mechanism which are meshed with each other, the whole volume of the loading speed reducer of the compression excavator is reduced, the phenomenon that coal and the loading speed reducer are mutually extruded in the process that a shovel plate lifts a bedding bottom is reduced, the phenomenon that the loading speed reducer of the excavator is deformed due to extrusion in use is reduced, and the service life of the loading speed reducer of the excavator is prolonged.
The utility model also provides an anchor driving machine which comprises the anchor driving machine loading speed reducer.
Compared with the prior art, the beneficial effects of the excavator and anchor machine provided by the utility model are the same as the beneficial effects of the excavator and anchor machine loading speed reducer in the technical scheme, and the details are not repeated herein.
Drawings
FIG. 1 is a schematic view of the mounting position of a loading speed reducer of the excavator;
FIG. 2 is a top view of the excavator loading reducer of the present invention;
figure 3 is a front view of the excavator loading reducer of the utility model;
figure 4 is a side view of the load reducer of the excavator of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a sectional view taken along line B-B in fig. 4.
Reference numerals: 1. a main housing; 2. a first bearing; 3. a sleeve; 4. an input shaft; 5. a first gear shaft; 6. a second bearing; 7. an auxiliary box body; 8. a first end cap; 9. a third bearing; 10. a second gear shaft; 11. a second gear; 12. a third gear; 13. a second end cap; 14. a drive bevel gear; 15. a fourth bearing; 16. a nut; 17. a fifth bearing; 18. a sixth bearing; 19. an output shaft; 20. a driven bevel gear; 21. a bearing seat; 22. floating sealing; 23. a star wheel; 24. a seventh bearing; 25. a first gear; 26. the power is connected into the cavity.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the utility model.
Referring to fig. 1-6, it shows the overall structure diagram of the excavator loading speed reducer of the present invention, the excavator loading speed reducer includes:
the excavator is provided with a speed reducer shell part and a speed reducer working part, the speed reducer working part is arranged in the shell part, the shell part integrally and hermetically wraps the speed reducer working part, the shell part is provided with a power access cavity 26 matched with the shape of an output shaft of an external motor, and the power input end of the speed reducer working part is positioned in the power access cavity 26.
The shell part wraps the working part of the speed reducer, so that the running safety of the working part of the speed reducer is protected. At the power input end of the working part of the speed reducer, a power input cavity 26 matched with the shape of an output shaft of an external motor is arranged on the shell part, so that the whole sealing performance of the shell part is ensured. When the driving end of the motor extends into the power access cavity 26, the driving end of the motor blocks the power access cavity 26, so that the housing part maintains the whole tightness, as shown in fig. 5.
The housing portion includes a main housing 1, a sleeve 3, a first end cover 8, a second end cover 13, a bearing seat 21 and a floating seal 22, wherein the reducer working portion is bent in a three-dimensional manner, and a cavity for accommodating the reducer working portion inside the housing portion is also bent in the above-mentioned manner, as shown in fig. 5 and 6. The cavity consists of a flat L-shaped cavity body and an inverted L-shaped cavity body connected with the tail end of the flat L-shaped cavity body. One section of the cavity is provided by a sleeve 3, the sleeve 3 is used for accommodating an input shaft 4, a first bearing 2 and a second bearing 6 are arranged in the sleeve 3, and the input shaft 4 is coaxially and rotatably connected with the sleeve 3 through the first bearing 2 and the second bearing 6 arranged on a first gear shaft 5. Wherein, as shown in fig. 5, a section of the cavity is provided by the sub-housing 7, and the sub-housing 7 is used for accommodating the first gear shaft 5, the second gear shaft 10, the third gear 12 and the drive bevel gear 14. A first end cover 8 and a second end cover 13 are detachably arranged on the side face of the auxiliary box body 7, the first end cover 8 is located on the side of the first gear shaft 5, the second end cover 13 is located on the side of the driving bevel gear 14, the first end cover 8 is used for facilitating installation and repair of the first gear shaft 5, and the second end cover 13 is used for facilitating installation and repair of the driving bevel gear 14.
The reducer working part comprises an input shaft 4, a plurality of gear shafts which are meshed with each other, a power steering mechanism and an output shaft 19.
The input end of the input shaft 4 is the power input end of the working part of the speed reducer, and the input shaft 4 is coaxially and rotatably connected with the sleeve 3 through the first bearing 2 and the second bearing 6 arranged on the first gear shaft 5. The input shaft 4 receives rotary power from an external motor by being in transmission connection with the motor.
The number of the gear shafts which are mutually meshed can be one or more, the mutual meshing of the gear shafts can gradually reduce the speed of the power received by the input shaft 4, and the number of the gear shafts can be selected according to the power output by the output shaft 19.
In one example, the plurality of mutually meshed gear shafts specifically include a first gear shaft 5 having a first gear 25 rotating synchronously therewith and a second gear shaft 10 having a second gear 11 rotating synchronously therewith, the first gear shaft 5 is in coaxial driving connection with the input shaft 4, the first gear 25 is meshed with the second gear 11, and the second gear shaft 10 is meshed with the drive bevel gear 14 through the second gear 11. The first gear 25 of the first gear shaft 5 is meshed with the second gear 11 of the second gear shaft 10 to realize one-stage speed reduction.
In another embodiment, a fourth gear shaft having a fourth gear rotating synchronously with the second gear shaft 10 and the third gear 12 is further included between the second gear shaft 10 and the third gear 12, the third gear 12 is meshed with the second gear 11 through the fourth gear of the fourth gear shaft, and the fourth gear of the fourth gear shaft is meshed with the second gear 11 to realize further speed reduction of the one-stage speed reduction.
The power steering mechanism is used for reversing the transmission directions of a plurality of mutually meshed gear shafts. The purpose is to reduce the volume of the whole excavator loading speed reducer. As shown in fig. 5, the axial direction of the input shaft 4 is optionally angled with respect to the axial direction of the output shaft 19. Preferably, the input shaft 4 and the output shaft 19 are not on the same horizontal plane, and the axial direction of the input shaft 4 is perpendicular to the axial direction of the output shaft 19.
In one example, the power steering mechanism includes a drive bevel gear 14 and a driven bevel gear 20 that are engaged with each other, wherein the power output ends of a plurality of engaged gear shafts are in driving connection with the drive bevel gear 14, and the driven bevel gear 20 is in driving connection with the output shaft 19. The selection of the driving bevel gear 14 and the driven bevel gear 20 can change the transmission direction of the power while steering the power.
In another example, the power steering mechanism may also employ a universal joint. The power is transmitted in a direction-changing way through the universal joint.
The power output ends of a plurality of mutually meshed gear shafts of the output shaft 19 are in transmission connection with the power input end of the output shaft 19 through a power steering mechanism, and the output end of the output shaft 19 is the power output end of the working part of the speed reducer. The output shaft 19 finally outputs the power for changing direction and reducing speed.
In conclusion, in the excavator-anchor loader speed reducer provided by the utility model, the working part of the speed reducer is hermetically wrapped by adopting the shell part in an integrated manner, so that the normal operation of the working part of the speed reducer is protected. A power access cavity matched with the shape of an output shaft of an external motor is added to the shell, and the access cavity ensures the integral sealing performance of the working part of the speed reducer after the motor is connected with the working part of the speed reducer. The working part of the speed reducer comprises an input shaft, a plurality of gear shafts which are meshed with each other, a power steering mechanism and an output shaft, power is received and transmitted through the input shaft and the output shaft, a power transmission route of the loading speed reducer of the excavator is changed into a broken line type through the gear shafts and the power steering mechanism which are meshed with each other, the whole volume of the loading speed reducer of the excavator is compressed, the phenomenon that coal and the loading speed reducer are mutually extruded in the process that a shovel plate lifts a bedding bottom is reduced, the deformation caused by frequent extrusion in the use process of the loading speed reducer of the excavator is reduced, and the service life of the loading speed reducer of the excavator is prolonged.
Further, referring to fig. 5 and 6, in another embodiment of the load reducer of the excavator according to the present invention, the power steering mechanism includes a driving bevel gear 14 and a driven bevel gear 20 which are engaged with each other, power output ends of a plurality of gear shafts which are engaged with each other are in transmission connection with the driving bevel gear 14, and the driven bevel gear 20 is in transmission connection with the output shaft 19.
The plurality of mutually meshed gear shafts particularly comprise a first gear shaft 5 with a first gear 25 rotating synchronously with the first gear shaft and a second gear shaft 10 with a second gear 11 rotating synchronously with the second gear shaft, the first gear shaft 5 is coaxially connected with the input shaft 4 in a transmission way, the first gear 25 is meshed with the second gear 11, and the second gear shaft 10 is meshed with the driving bevel gear 14 through the second gear 11.
A third gear 12 is arranged between the driving bevel gear 14 and the second gear 11, the third gear 12 is coaxially and fixedly connected with the driving bevel gear 14, and the driving bevel gear 14 is meshed with the second gear 11 through the third gear 12.
In the above embodiment, the first gear 25 of the first gear shaft 5 is meshed with the second gear 11 of the second gear shaft 10 to realize one-stage speed reduction. The second gear 11 is meshed with the third gear 12 to realize two-stage speed reduction. The drive bevel gear 14 and the driven bevel gear 20 are engaged with each other to perform three-stage reduction of the power of the third gear 12. The reduction of the power transmitted to the third gear 12 is accomplished by using the drive bevel gear 14 and the driven bevel gear 20 while reducing the speed. The use of the drive bevel gear 14 and the driven bevel gear 20 may further reduce the overall size of the machine load reducer.
Furthermore, in another embodiment of the excavator loading speed reducer, the driven bevel gear 20 is in coaxial transmission connection with the output shaft 19, and the power of the driven bevel gear 20 directly acts on the output shaft 19 and is stably transmitted out by the output shaft 19. The digging and anchoring machine loading speed reducer further comprises a star wheel 23, and the star wheel 23 is arranged at the tail of the output end of the output shaft 19. The star wheel finally drives the rake claw to rotate through spline meshing, and coal raking is completed.
Further, in another embodiment of the driving and anchoring machine loading speed reducer of the utility model, inside the housing portion, two sides of the second gear shaft 10 are rotatably connected inside the auxiliary box 7 through two third bearings 9. The drive bevel gear 14 is rotatably connected inside the sub-housing 7 by a fourth bearing 15 and a fifth bearing 17. The output shaft 19 is rotatably connected inside the main housing 1 by a seventh bearing 24 and a sixth bearing 18. The third gear 12 is detachably and fixedly connected with the drive bevel gear 14 through a nut 16. The output shaft 19 is sealed inside the main housing 1 by a floating seal 22.
The utility model also provides an anchor driving and driving machine which comprises the anchor driving and driving machine loading speed reducer.
Compared with the prior art, the beneficial effects of the digging and anchoring machine provided by the utility model are the same as those of the digging and anchoring machine loading speed reducer in the technical scheme, and the description is omitted here.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A loading speed reducer of an excavator is characterized by comprising:
the speed reducer comprises a shell part and a speed reducer working part, wherein the speed reducer working part is arranged in the shell part, the shell part integrally and hermetically wraps the speed reducer working part, the shell part is provided with a power access cavity matched with the shape of an output shaft of an external motor, and a power input end of the speed reducer working part is positioned in the power access cavity;
the speed reducer work portion includes:
the input end of the input shaft is the power input end of the working part of the speed reducer;
the output ends of the input shafts are in transmission connection with the power input ends of the plurality of mutually meshed gear shafts;
a power steering mechanism;
and the power output ends of the plurality of mutually meshed gear shafts are in transmission connection with the power input end of the output shaft through the power steering mechanism, and the output end of the output shaft is the power output end of the working part of the speed reducer.
2. The machine-mounted reducer of claim 1, wherein said input shaft is located directly below said output shaft.
3. A machine-mounted reducer as claimed in claim 1 or claim 2 wherein the axial direction of the input shaft is at an angle to the axial direction of the output shaft.
4. The machine-mounted reducer of claim 3, wherein the axial direction of the input shaft is perpendicular to the axial direction of the output shaft.
5. The machine of claim 1, wherein said power steering mechanism includes a drive bevel gear and a driven bevel gear in meshing engagement, a plurality of power output ends of said gear shafts in meshing engagement being drivingly connected to said drive bevel gear, and said driven bevel gear being drivingly connected to said output shaft.
6. The machine of claim 5, wherein the plurality of intermeshing gear shafts includes a first gear shaft having a first gear rotating synchronously therewith and a second gear shaft having a second gear rotating synchronously therewith, the first gear shaft being in coaxial driving connection with the input shaft, the first gear being in mesh with the second gear, the second gear shaft being in mesh with the drive bevel gear through the second gear.
7. The machine-mounted reducer of claim 6, wherein a third gear is disposed between the drive bevel gear and the second gear, the third gear is coaxially and fixedly connected with the drive bevel gear, and the drive bevel gear is engaged with the second gear through the third gear.
8. The machine-mounted reducer of claim 5, wherein said driven bevel gear is in coaxial drive connection with said output shaft.
9. The machine of claim 1, further comprising a spider disposed aft of the output end of the output shaft.
10. An excavator, wherein said excavator comprises an excavator loading reducer as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220363683.7U CN216975680U (en) | 2022-02-22 | 2022-02-22 | Excavator and anchor excavator loading speed reducer and excavator and anchor excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220363683.7U CN216975680U (en) | 2022-02-22 | 2022-02-22 | Excavator and anchor excavator loading speed reducer and excavator and anchor excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975680U true CN216975680U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220363683.7U Active CN216975680U (en) | 2022-02-22 | 2022-02-22 | Excavator and anchor excavator loading speed reducer and excavator and anchor excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975680U (en) |
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2022
- 2022-02-22 CN CN202220363683.7U patent/CN216975680U/en active Active
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Address after: 037002 East Hebao Village, Xicun Township, Xinrong District, Datong City, Shanxi Province Patentee after: Weishi Heavy Industry Co.,Ltd. Address before: 037002 east of Hebao village, Xicun Township, economic development zone, Xinrong District, Datong City, Shanxi Province Patentee before: Weishi Heavy Industry Co.,Ltd. |
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