CN210799983U

CN210799983U - Box of explosion-proof type speed reducer

Info

Publication number: CN210799983U
Application number: CN201921759541.7U
Authority: CN
Inventors: 曾益良; 周建华
Original assignee: Guangdong Zhuohongda Intelligent Transmission Technology Co Ltd
Current assignee: Guangdong Zhuohongda Intelligent Transmission Technology Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-19
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a box of explosion-proof type speed reducer, including case main part and case lid, the whole rounded rectangle shape that is of case main part, its both sides wall top is formed with symmetrical extension that just is the arc shape, output shaft hole and first installation shaft hole have been seted up at the top of case main part between two extensions, the top of case main part all is formed with sunken and the depressed part that is the cylindricality in the limit week in output shaft hole and installation shaft hole, the lateral wall bottom of case main part is formed with a plurality of vertical downward settings and is columniform first bellying, the bottom at the case main part is connected to the case lid. Through using the cylindric lock embedding at first cylindrical groove and second cylindrical groove, make the case main part can stabilize and cover on the case lid, the actuating mechanism of doublestage coaxial reducer can stabilize and fix between case main part and case lid, and anti knocking and shock resistance are good, can be applied to the doublestage coaxial reducer of electric mine car.

Description

Box of explosion-proof type speed reducer

Technical Field

The utility model belongs to the technical field of machinery, concretely relates to box of explosion-proof type speed reducer.

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. According to the type of equipment and the difference of practical application environment, the drive structure and the box body of the speed reducer are different. The box body is provided with an input mounting hole for prime motor input, an output mounting hole for machine output and a mounting cavity of a driving structure, and the box body structure is different from that of a conventional box body aiming at a two-stage coaxial speed reducer applied to an electric mining car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box of explosion-proof formula speed reducer to solve the problem that proposes among the above-mentioned background art.

This utility model adopts for achieving the above purpose:

a box body of an explosion-proof speed reducer comprises a box body and a box cover, wherein the box body is integrally in a round-cornered rectangular shape, symmetrical extension parts in an arc-shaped plate shape are formed at the top ends of two side walls of the box body, an output shaft hole and a first installation shaft hole are formed in the top of the box body between the two extension parts, sunken cylindrical concave parts are formed in the peripheries of the output shaft hole and the installation shaft hole in the top of the box body, a plurality of first cylindrical bulges which are vertically downwards arranged are formed at the bottom end of the side wall of the box body, a first cylindrical groove which vertically penetrates through to the bottom end is formed in the middle of each first bulge, the box cover is connected to the bottom of the box body, second cylindrical bulges which are opposite to the first bulges and are formed in the peripheries of the box cover, a second cylindrical groove which vertically penetrates through to the top end is formed in the middle of each second bulge, the bottom of case lid is connected with the plectane, the middle part of case lid is seted up and is extended to the plectane bottom and with the input shaft hole of output shaft hole counterpoint, set up on the case lid and extend to the plectane bottom and with the second installation shaft hole counterpoint second installation shaft hole, the roof of case lid is formed with the limiting plate at the limit week in input shaft hole and second installation shaft hole, the case lid is connected with the case main part through putting into the cylindric lock in first cylindric lock and second cylindric lock is spacing.

It is further explained that the vertical central axes of the output shaft hole, the input shaft hole and the circular plate are coincident.

It is further explained that the vertical central axes of the first mounting shaft hole, the second mounting shaft hole and the concave part are coincident.

It is further noted that the vertical central axis of symmetry of the extension coincides with the vertical central axis of the circular plate.

It is further explained that the diameters of the first convex part and the second convex part are the same and the vertical central axes are coincident.

It is further explained that the inner wall of the box cover is also provided with a reinforcing rib net.

Further, a plurality of mounting screw holes are symmetrically and equidistantly distributed on the periphery of the bottom of the circular plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through using the cylindric lock embedding at first cylindrical groove and second cylindrical groove, make the case main part can stabilize and cover on the case lid, the actuating mechanism of doublestage coaxial reducer can stabilize and fix between case main part and case lid, and anti knocking and shock resistance are good, can be applied to the doublestage coaxial reducer of electric mine car.

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 structural diagram of the present invention;

FIG. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic view of the present invention during installation of the drive mechanism;

wherein: 1. a box main body; 2. a box cover; 3. an extension portion; 4. an output shaft hole; 5. a first mounting shaft hole; 6. a recessed portion; 7. a first boss portion; 8. a first cylindrical groove; 9. a second boss portion; 10. a second cylindrical groove; 11. a circular plate; 12. an input shaft hole; 13. a second mounting shaft hole; 14. a reinforcing rib net; 15. a limiting plate; 16. mounting a screw hole; 17. an output shaft; 18. an input shaft; 19. a reduction layshaft.

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 4, the present invention provides the following technical solutions:

a box body of an explosion-proof speed reducer comprises a box body 1 and a box cover 2, wherein the box body 1 is integrally in a shape of a rounded rectangle, symmetrical extension parts 3 in an arc plate shape are formed at the top ends of two side walls of the box body, an output shaft 17 hole 4 and a first installation shaft hole 5 are formed in the top of the box body 1 between the two extension parts 3, sunken cylindrical concave parts 6 are formed in the peripheries of the output shaft 17 hole 4 and the installation shaft hole in the top of the box body 1, a plurality of first cylindrical protrusions 7 which are vertically arranged downwards and are cylindrical are formed at the bottom end of the side wall of the box body 1, first cylindrical grooves 8 which vertically penetrate through to the bottom end are formed in the middle of the first protrusions 7, the box cover 2 is connected to the bottom of the box body 1, second cylindrical protrusions 9 which are opposite to the first protrusions 7 are formed in the periphery of the box cover 2, a second cylindrical groove 10 which vertically penetrates through to the top end is formed in the middle of the second protrusions 9, the bottom of case lid 2 is connected with plectane 11, the middle part of case lid 2 is seted up and is extended to plectane 11 bottom and with the input shaft 18 hole 12 of output shaft 17 hole 4 looks bit, set up on the case lid 2 and extend to plectane 11 bottom and with the second installation shaft hole 13 of first installation shaft hole 5 looks bit, the roof of case lid 2 is formed with limiting plate 15 at the limit week in input shaft 18 hole 12 and second installation shaft hole 13, case lid 2 and case main part 1 are through putting into the cylindric lock spacing connection in first cylindrical groove 8 and second cylindrical groove 10, the inner wall of case lid 2 is being gone out and still is formed with reinforcing rib net 14.

Wherein, the vertical central axes of the hole 4 of the output shaft 17, the hole 12 of the input shaft 18 and the circular plate 11 are coincided; the vertical central axes of the first mounting shaft hole 5, the second mounting shaft hole 13 and the concave part 6 are coincided; the vertical symmetrical central axis of the extension part 3 is coincided with the vertical central axis of the circular plate 11; the diameters of the first convex part 7 and the second convex part 9 are the same, and the vertical central axes are coincident.

As shown in fig. 4, an output shaft 17 of the two-stage coaxial speed reducer is inserted into an output shaft 17 hole 4 of the case body, an input shaft 18 is inserted into an input shaft 18 hole 12 of the case cover 2, the output shaft 17 and the input shaft 18 are arranged on the same axis, a reduction counter shaft 19 is inserted into a first mounting shaft hole 5 of the case body and a second mounting shaft hole 13 of the case cover 2, the lower parts of the output shaft 17 and the reduction counter shaft 19 are fixed in a limit plate 15 in a limit manner, the reduction counter shaft 19 is engaged with the input shaft 18 and a gear structure on the output shaft 17, the input shaft 18 and the reduction counter shaft 19 can be stably inserted and mounted between the case body and the case cover 2, a plurality of mounting screw holes 16 are further symmetrically and equidistantly distributed on the periphery of the bottom of the circular plate 11, and the.

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

1. The utility model provides a box of explosion-proof formula speed reducer, includes case main part (1) and case lid (2), its characterized in that: the box main body (1) is integrally in a shape of a rounded rectangle, symmetrical extension parts (3) in an arc plate shape are formed at the top ends of two side walls of the box main body (1), output shaft holes (4) and first installation shaft holes (5) are formed at the top of the box main body (1) between the two extension parts (3), sunken cylindrical concave parts (6) are formed at the top of the box main body (1) at the periphery of the output shaft holes (4) and the periphery of the installation shaft holes, a plurality of first vertical downward cylindrical bulges (7) are formed at the bottom end of the side wall of the box main body (1), first cylindrical grooves (8) vertically penetrating through to the bottom end are formed in the middle parts of the first bulges (7), the box cover (2) is connected to the bottom of the box main body (1), and second cylindrical bulges (9) are formed at the periphery of the box cover (2) and are aligned with the first bulges (7) and are cylindrical, the middle part of second bellying (9) is seted up and is link up perpendicularly to second cylindrical groove (10) on top, the bottom of case lid (2) is connected with plectane (11), input shaft hole (12) that extend to plectane (11) bottom and counterpoint with output shaft hole (4) are seted up at the middle part of case lid (2), set up on case lid (2) and extend to plectane (11) bottom and second installation shaft hole (13) that counterpoint with first installation shaft hole (5), the roof of case lid (2) is formed with spacing board (15) at the limit week in input shaft hole (12) and second installation shaft hole (13), case lid (2) and case main part (1) are through putting into the cylindric lock spacing connection in first cylindrical groove (8) and second cylindrical groove (10).

2. The box of the explosion-proof speed reducer as defined in claim 1, wherein: the vertical central axes of the output shaft hole (4), the input shaft hole (12) and the circular plate (11) are coincided.

3. The box of the explosion-proof speed reducer as defined in claim 1, wherein: the vertical central axes of the first mounting shaft hole (5), the second mounting shaft hole (13) and the concave part (6) are coincided.

4. The box of the explosion-proof speed reducer as defined in claim 1, wherein: the vertical central axis of symmetry of the extension part (3) coincides with the vertical central axis of the circular plate (11).

5. The box of the explosion-proof speed reducer as defined in claim 1, wherein: the diameters of the first protruding portion (7) and the second protruding portion (9) are the same, and the vertical central axes of the first protruding portion and the second protruding portion coincide.

6. The box of the explosion-proof speed reducer as defined in claim 1, wherein: the inner wall of the box cover (2) is also provided with a reinforcing rib net (14).

7. The box of the explosion-proof speed reducer as defined in claim 1, wherein: and a plurality of mounting screw holes (16) are symmetrically and equidistantly distributed on the periphery of the bottom of the circular plate (11).