CN210949695U - Explosion-proof single-stage speed reducer - Google Patents
Explosion-proof single-stage speed reducer Download PDFInfo
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- CN210949695U CN210949695U CN201921759603.4U CN201921759603U CN210949695U CN 210949695 U CN210949695 U CN 210949695U CN 201921759603 U CN201921759603 U CN 201921759603U CN 210949695 U CN210949695 U CN 210949695U
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- mounting groove
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Abstract
The utility model discloses an explosion-proof type single reduction gear, including box, case lid, actuating mechanism. A cylindrical mounting groove is formed in the center of the inner bottom surface of the box body, and a positioning through hole penetrating to the top is formed in the front side of the mounting groove in the inner bottom surface of the box body; the middle part of the box cover is provided with an embedding hole opposite to the mounting groove, and the periphery of the bottom of the embedding hole is provided with an embedding groove which is cylindrical and has the same diameter as the mounting groove. Under the rotation of the input shaft, the driving gear and the input shaft rotate coaxially to drive the transmission gear to rotate, so that the output shaft and the transmission gear rotate synchronously, the output shaft outputs stably, all the parts are connected tightly to form a one-stage different shaft structure, and the one-stage different shaft structure is embedded between the box body and the base.
Description
Technical Field
The utility model belongs to the technical field of the speed reducer, concretely relates to explosion-proof type single reduction gear.
Background
The speed reducer plays the roles of speed matching and torque transmission between the prime motor and the working machine, and achieves the purpose of speed reduction on the driving of the prime motor, thereby ensuring the stable operation of the working machine. The driving structure and the base of the speed reducer are different according to the types of equipment and different practical application environments, aiming at the speed reducer used by the electric mine car, the operation environment and long-time operation under a mine need to be met, the speed reducer needs to have high sealing performance, high torque and good explosion resistance, but most of the existing speed reducers for the mine car are worm and gear speed reducers, the problems of high temperature rise, easy oil leakage and easy abrasion of gears exist, when the speed reducer is used in a mine tunnel, serious safety problems exist, the weight of the speed reducer is heavy, the bearing load of the mine car can be increased, the planetary speed reducer has the characteristics of light weight, good safety stability and high torque, but the planetary speed reducer is generally operated by meshing of a plurality of groups of gears, the number of assembled parts is large, the structure is complex, the explosion resistance is poor, and a large amount of falling objects in the mine tunnel and the long-time operation are needed, once the planetary speed, on the other hand, the application effect of the planetary reduction gear is deteriorated, and therefore, it is necessary to develop a reduction gear dedicated to the electric mining vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof type single reduction gear to solve the problem that proposes among the above-mentioned background art.
This utility model adopts for achieving the above purpose:
an explosion-proof single reduction gear unit comprising:
the box body is provided with a cylindrical mounting groove in the center of the inner bottom surface, a positioning through hole penetrating to the top is formed in the front side of the mounting groove in the inner bottom surface, and an annular groove is formed in the periphery of the positioning through hole in the inner top surface;
the box cover is provided with a tabling hole opposite to the mounting groove in the middle, a tabling groove which is cylindrical and has the same diameter with the mounting groove is formed on the periphery of the bottom of the tabling hole, a tabling cylindrical groove opposite to the positioning through hole is formed on the front side of the tabling hole on the bottom wall of the box cover, and the diameter of the tabling cylindrical groove is the same as the inner diameter of the annular groove;
the driving mechanism is composed of an input shaft, an output shaft, a transmission gear, a driving gear and cylindrical roller bearings, the cylindrical roller bearings are embedded in the mounting groove, the annular groove, the embedding groove and the embedding cylindrical groove, the driving gear is connected to the lower portion of the input shaft in a double-key connection mode, annular baffles are formed on the upper side and the lower side of the driving gear on the input shaft, the bottom end of the input shaft is embedded in the cylindrical roller bearings in the mounting groove, the annular baffle on the lower side of the input shaft is abutted against the cylindrical roller bearings, the top end of the input shaft is embedded in the cylindrical roller bearings in the embedding groove and extends out of the embedding hole, and the annular baffle on the upper side of the input shaft is abutted against the cylindrical roller bearings in; the upper portion of the output shaft is provided with a transmission gear which is meshed with the driving gear in an opposite position, the transmission gear is connected with the output shaft in a double-key connection mode, annular baffles are formed on the upper side and the lower side of the transmission gear on the output shaft, the bottom end of the output shaft is embedded into a cylindrical roller bearing of the annular groove and extends out of a positioning through hole, the annular baffle on the lower side of the output shaft abuts against the cylindrical roller bearing of the annular groove, and the top end of the output shaft is embedded into the cylindrical roller bearing of the embedded cylindrical groove.
Further, the outer diameter of the cylindrical roller bearing is the same as the diameter of the mounting groove, the inner diameter of the annular groove, and the diameter of the fitting groove.
It is further described that the thickness of the cylindrical roller bearing is the same as the thickness of the mounting groove, the thickness of the annular groove, and the thickness of the fitting groove.
It is further explained that the vertical central axes of the input shaft, the driving gear, the fitting hole, the mounting groove and the fitting groove are coaxial.
Further, the vertical central axes of the output shaft, the transmission gear, the annular groove, the positioning through hole and the embedded cylindrical groove are coaxial.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the input shaft is connected with the prime motor, the output shaft is connected with the working machine, under the rotation of the input shaft, the driving gear and the input shaft rotate coaxially to drive the transmission gear to rotate, so that the output shaft and the transmission gear rotate synchronously, the output shaft is output stably, all the structures are tightly connected to form a one-level different shaft structure, and the one-level different shaft structure is embedded between the box body and the base.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural view of each part of the driving mechanism of the present invention;
wherein: 1. a box body; 2. a box cover; 3. mounting grooves; 4. positioning the through hole; 5. an annular groove; 6. a fitting hole; 7. a fitting groove; 8. embedding the cylindrical groove; 9. an input shaft; 10. an output shaft; 11. a transmission gear; 12. a drive gear; 13. a cylindrical roller bearing; 14. an annular baffle.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
an explosion-proof single-stage speed reducer comprises a box body 1, a box cover 2 and a driving mechanism. A cylindrical mounting groove 3 is formed in the center of the inner bottom surface of the box body 1, a positioning through hole 4 penetrating to the top is formed in the front side of the mounting groove 3 in the inner bottom surface of the box body, and an annular groove 5 is formed in the periphery of the positioning through hole 4 in the inner top surface of the box body; the case cover 2 has a fitting hole 6 formed in the middle thereof to be aligned with the mounting groove 3, a fitting groove 7 formed in the bottom periphery of the fitting hole 6 and having a cylindrical shape and the same diameter as the mounting groove 3, and a fitting cylindrical groove 8 formed in the bottom wall thereof to be aligned with the positioning through hole 4 in front of the fitting hole 6, the diameter of the fitting cylindrical groove 8 being the same as the inner diameter of the annular groove 5.
The driving mechanism is composed of an input shaft 9, an output shaft 10, a transmission gear 11, a driving gear 12 and a cylindrical roller bearing 13, the cylindrical roller bearing 13 is embedded in the mounting groove 3, the annular groove 5, the embedding groove 7 and the embedding cylindrical groove 8, the lower part of the input shaft 9 is connected with the driving gear 12 in a double-key connection mode, annular baffles 14 are formed on the upper side and the lower side of the driving gear 12 on the input shaft 9, the bottom end of the input shaft 9 is embedded in the cylindrical roller bearing 13 of the mounting groove 3, the annular baffle 14 on the lower side of the input shaft 9 is abutted against the cylindrical roller bearing 13, the top end of the input shaft 9 is embedded in the cylindrical roller bearing 13 of the embedding groove 7 and extends out of the embedding hole 6, and the annular baffle 14 on the upper side of the input shaft 9 is; the upper portion of the output shaft 10 is provided with a transmission gear 11 which is meshed with the driving gear 12 in a contraposition, the transmission gear 11 is connected with the output shaft 10 in a double-key connection mode, annular baffles 14 are formed on the upper side and the lower side of the transmission gear 11 on the output shaft 10, the bottom end of the output shaft 10 is embedded into a cylindrical roller bearing 13 of the annular groove 5 and extends out of the positioning through hole 4, the annular baffle 14 on the lower side of the output shaft 10 is abutted against the cylindrical roller bearing 13 of the annular groove 5, and the top end of the output shaft 10 is embedded into the cylindrical roller bearing 13 of.
The outer diameter of the cylindrical roller bearing 13 is the same as the diameter of the mounting groove 3, the inner diameter of the annular groove 5 and the diameter of the embedding groove 7, the thickness of the cylindrical roller bearing 13 is the same as the thickness of the mounting groove 3, the thickness of the annular groove 5 and the thickness of the embedding groove 7, the vertical central axes of the input shaft 9, the driving gear 12, the embedding hole 6, the mounting groove 3 and the embedding groove 7 are coaxial, and the vertical central axes of the output shaft 10, the transmission gear 11, the annular groove 5, the positioning through hole 4 and the embedding cylindrical groove 8 are coaxial, so that tight connection among all structures is guaranteed.
In practical application, the input shaft 9 is connected with a prime motor, the output shaft 10 is connected with a working machine, under the output of the prime motor, the input shaft 9 rotates under the limit of the cylindrical roller bearings 13 of the mounting groove 3 and the embedding groove 7, the driving gear 12 and the input shaft 9 rotate coaxially to drive the transmission gear 11 to rotate, so that the output shaft 10 synchronously rotates under the limit of the annular groove 5 and the embedding cylindrical groove 8, the output shaft 10 outputs stably, all parts are structurally and tightly connected, the box body 1 and the base except the parts, extending out of the output shaft 10 and the input shaft 9, are connected in a sealing mode, the rigidity and the toughness are good, and good explosion resistance of the box body is guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An explosion-proof single reduction gear unit, comprising:
the box body (1) is provided with a cylindrical mounting groove (3) in the center of the inner bottom surface, a positioning through hole (4) penetrating to the top is formed in the front side of the mounting groove (3) in the inner bottom surface, and an annular groove (5) is formed in the periphery of the positioning through hole (4) in the inner top surface;
the box cover (2) is provided with a tabling hole (6) opposite to the mounting groove (3) in the middle, a tabling groove (7) which is cylindrical and has the same diameter as the mounting groove (3) is formed on the periphery of the bottom of the tabling hole (6), a tabling cylindrical groove (8) opposite to the positioning through hole (4) is formed on the front side of the tabling hole (6) on the bottom wall, and the diameter of the tabling cylindrical groove (8) is the same as the inner diameter of the annular groove (5);
the driving mechanism comprises an input shaft (9), an output shaft (10), a transmission gear (11), a driving gear (12) and cylindrical roller bearings (13), wherein the cylindrical roller bearings (13) are embedded in the mounting groove (3), the annular groove (5), the embedding groove (7) and the embedding cylindrical groove (8), the lower part of the input shaft (9) is connected with the driving gear (12) in a double-key connection mode, annular baffles (14) are formed on the upper side and the lower side of the driving gear (12) on the input shaft (9), the bottom end of the input shaft (9) is embedded in the cylindrical roller bearings (13) of the mounting groove (3), the annular baffles (14) on the lower side of the input shaft are abutted against the cylindrical roller bearings (13), the top end of the input shaft (9) is embedded in the cylindrical roller bearings (13) of the embedding groove (7) and extends out of the embedding hole (6), and the annular baffles (14) on the upper side of the input shaft (9) are abutted against the cylindrical roller bearings (7) (the 13) Offsetting; the upper portion of the output shaft (10) is provided with a transmission gear (11) which is meshed with the drive gear (12) in a contraposition mode, the transmission gear (11) is connected with the output shaft (10) in a double-key connection mode, annular baffles (14) are formed on the upper side and the lower side of the transmission gear (11) on the output shaft (10), the bottom end of the output shaft (10) is embedded into a cylindrical roller bearing (13) of the annular groove (5) and extends out of the positioning through hole (4), the annular baffles (14) on the lower side of the output shaft (10) are abutted to the cylindrical roller bearing (13) of the annular groove (5), and the top end of the output shaft (10) is embedded into the cylindrical roller bearing (13) of the embedded cylindrical groove (8).
2. An explosion-proof single reduction gear unit according to claim 1, wherein: the outer diameter of the cylindrical roller bearing (13) is the same as the diameter of the mounting groove (3), the inner diameter of the annular groove (5) and the diameter of the embedding groove (7).
3. An explosion-proof single reduction gear unit according to claim 1, wherein: the thickness of the cylindrical roller bearing (13) is equal to the thickness of the mounting groove (3), the thickness of the annular groove (5) and the thickness of the embedding groove (7).
4. An explosion-proof single reduction gear unit according to claim 1, wherein: the vertical central axes of the input shaft (9), the driving gear (12), the embedding hole (6), the mounting groove (3) and the embedding groove (7) are coaxial.
5. An explosion-proof single reduction gear unit according to claim 1, wherein: the vertical central axes of the output shaft (10), the transmission gear (11), the annular groove (5), the positioning through hole (4) and the embedded cylindrical groove (8) are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759603.4U CN210949695U (en) | 2019-10-18 | 2019-10-18 | Explosion-proof single-stage speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759603.4U CN210949695U (en) | 2019-10-18 | 2019-10-18 | Explosion-proof single-stage speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949695U true CN210949695U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921759603.4U Active CN210949695U (en) | 2019-10-18 | 2019-10-18 | Explosion-proof single-stage speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949695U (en) |
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2019
- 2019-10-18 CN CN201921759603.4U patent/CN210949695U/en active Active
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