CN219139765U

CN219139765U - Speed reducer box and clamping tool thereof

Info

Publication number: CN219139765U
Application number: CN202223382569.8U
Authority: CN
Inventors: 张健; 邓伦敏; 李云彩
Original assignee: Sichuan Construction Machinery Group Co Ltd
Current assignee: Sichuan Construction Machinery Group Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a speed reducer box and a clamping tool thereof. According to the speed reducer box body, the lug structures are arranged on the surface of at least one of the first shell and the second shell of the speed reducer box body, so that the clamping and positioning stressed part is provided for fixing the box body, on one hand, the clamping matching part is provided for the special-shaped box body, the box body can be directly positioned through the lug structures, the clamping and fixing are convenient, and on the other hand, the fact that external force is generated on the solid part, related to the machining precision, of the box body by a press-fitting tool or a clamping tool is avoided, and therefore the deformation degree of the box body is reduced. Compared with the press-fitting fixing mode in the prior art, the clamping fixture does not need to adjust the position of the box body after adjusting the fixing position, reduces the positioning error caused by secondary clamping, and therefore reduces the deformation of the workpiece.

Description

Speed reducer box and clamping tool thereof

Technical Field

The utility model relates to the technical field of machining of speed reducer boxes, in particular to a speed reducer box and a clamping tool thereof.

Background

The speed reducer is an independent component consisting of a gear drive, a worm drive, and a gear-worm drive enclosed in a rigid housing, and is commonly used as a speed reduction transmission between the driving element and the working machine. The function of matching rotational speed and transmitting torque between a prime motor and a working machine or an actuating mechanism is widely applied to modern machines. In the manufacturing and processing process of the speed reducer box body, the speed reducer box body is fixed firstly, and then the internal structure of the speed reducer box body is processed. Referring to fig. 2, the reducer case includes a first case and a second case connected to each other, and shaft holes for mounting a transmission assembly are respectively provided in the two cases, and axes of the two shaft holes are perpendicular to each other; the transmission fit between the transmission components in the speed reducer box body is greatly related to the installation and fit of the transmission components, so that the transmission quality and the transmission efficiency of the speed reducer are directly related, and even whether the speed reducer can work normally is influenced; therefore, the machining accuracy of the shaft hole of the speed reducer plays an extremely important role in the finished speed reducer.

Because the box appearance is the abnormal shape, is difficult to fix its clamping, when fixing the box, also is difficult to realize the alignment adjustment, and some processing still needs the secondary adjustment position, and then needs the secondary clamping, has increaseed shaft hole processing size precision influence, causes the position degree deviation of two holes great. At present, the box is fixed through the fixed mode of pressure equipment to general processing, regard as the reference surface to place on the carrier with terminal surface in the shell axial direction, then carry out the pressure equipment through the pressure equipment instrument to the other terminal surface in the shell axial direction and fix, adopt the mode of face contact to fix the reduction gear box, then process it, but in the course of working, influenced by processing and lead to the pressure equipment instrument to the box effort too big, cause the box to be out of shape, thereby also can influence shaft hole dimension machining precision, cause the position degree between the two shaft holes to have the deviation.

Disclosure of Invention

The utility model solves the technical problem of providing the speed reducer box body and the clamping tool thereof, which are convenient for fixing the speed reducer box body and reduce the deformation degree in the box body processing process.

The technical scheme adopted for solving the technical problems is as follows: the speed reducer box body comprises a first shell and a second shell which are connected with each other, wherein a first shaft hole is formed in the first shell, a second shaft hole is formed in the second shell, the axis of the first shaft hole is perpendicular to the axis of the second shaft hole, and a positioning part is arranged on the outer surface of at least one of the first shell and the second shell and is of a bump structure; the bump structures are arranged at intervals along the circumferential direction of the first shaft hole at the edge of the first shell and/or are arranged at intervals along the circumferential direction of the second shaft hole at the edge of the second shell.

Further is: the bump structures on the first shell are all located on the same plane, and the bump structures on the second shell are all located on the same plane.

Further is: the bump structure is integrally formed on the first shell and the second shell.

Further is: the bump structure is arranged along the radial direction of the first shaft hole and protrudes at the edge of the first shell body and/or is arranged along the radial direction of the second shaft hole and protrudes at the edge of the second shell body.

Further is: stiffening ribs are arranged at intervals on the connecting parts of the first shell and the second shell.

According to the speed reducer box body, the lug structures are arranged on the surface of at least one of the first shell and the second shell, so that the clamping and positioning stressed part is provided for fixing the box body, on one hand, the clamping matching part is provided for the special-shaped box body, the box body can be directly positioned through the lug structures, clamping and fixing are facilitated, and on the other hand, the fact that external force is generated on the solid part, related to the machining precision, of the box body by a press-fitting tool or a clamping tool is avoided, and therefore the deformation degree of the box body is reduced.

The utility model also provides a clamping tool for clamping the reducer box body, which comprises a base and a back plate, wherein the back plate is vertically arranged on the base, and upright posts are fixedly arranged on the base and/or the back plate and are provided with clamping parts which are arranged corresponding to the positioning parts and can clamp and fix the positioning parts; the base is also provided with at least two bearing seats, and the bearing seats are provided with lifting adjusting pieces.

Further is: the clamping part end is provided with a clamping groove, and the clamping groove is matched with the positioning part in a clamping way.

Further is: the clamping part and the upright posts are provided with threaded connection holes, and the clamping part is connected with the upright posts through bolts.

Further is: the lifting adjusting piece comprises a screw and a nut, the screw is in threaded connection with a screw hole vertically formed in the top of the bearing seat, the top of the screw is provided with a bearing part, and the nut is in threaded connection with the periphery of the screw.

Further is: the corresponding first shell and the second shell are respectively provided with the bearing seats.

The clamping tool comprises a base and a back plate, wherein the base and/or the back plate is/are fixedly provided with upright posts, and clamping parts are arranged on the upright posts, so that the box body can be clamped and fixed once through the clamping parts; the base is also provided with a bearing seat for bearing gravity in the vertical direction of the box body, so that the box body is suspended and is convenient to process; the box body can be clamped and positioned at one time by the box body positioning device, and the acting force is mainly generated on the box body positioning part, so that the deformation of the box body caused by the clamping tool is reduced, and the machining precision is ensured.

Drawings

FIG. 1 is a top view of a reducer housing;

FIG. 2 is a half-sectional view of the reducer housing;

FIG. 3 is a schematic view of a bump structure in a portion of a first housing;

FIG. 4 is a schematic diagram of a clamping fixture clamping a reducer case;

marked in the figure as: the device comprises a first shell 1, a second shell 2, a first shaft hole 11, a second shaft hole 12, a positioning part 3, stiffening ribs 4, a base 5, a stand column 6, a clamping part 7, a bearing seat 8 and a back plate 9.

Detailed Description

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "top", "bottom", "front side", "rear side", "back side", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, such terms are merely for convenience of description and simplification of description, and are not intended to indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Herein, "parallel", "perpendicular", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances which may be understood and appreciated by those skilled in the art and which may be varied in making or using the same.

The utility model is further described below with reference to the drawings and the detailed description.

Referring to fig. 1 to 3, the reducer casing of the present utility model includes a first casing 1 and a second casing 2 that are connected to each other, a first shaft hole 11 is provided in the first casing 1, a second shaft hole 12 is provided in the second casing 2, an axis of the first shaft hole 11 is perpendicular to an axis of the second shaft hole 12, a positioning portion 3 is provided on an outer surface of at least one of the first casing 1 and the second casing 2, and the positioning portion 3 is in a bump structure; the bump structures are arranged at intervals along the circumferential direction of the first shaft hole 11 at the edge of the first housing 1 and/or at intervals along the circumferential direction of the second shaft hole 12 at the edge of the second housing 2.

Through setting up protruding block structural style's location portion 3 at the box external surface, provide the atress portion of clamping location for fixed box, on the one hand, provide clamping cooperation position for the box of dysmorphism, can directly fix a position the box through protruding block structure, make things convenient for the clamping fixed, on the other hand, the box entity part relevant with machining precision avoids receiving external force effect, has reduced the effect of pressure equipment frock or clamping frock to the reducing gear box to reduce the box and receive the deformation degree. The bump structure may be provided in a rectangular parallelepiped shape.

Further, the bump structure is arranged along the first shaft hole 11 in a protruding mode along the edge of the first shell 1 and/or is arranged along the second shaft hole 12 in a protruding mode along the edge of the second shell 2, so that clamping is convenient to achieve when the box body is clamped, and in the machining process, parts on the clamping tool cannot interfere with machining.

Specifically, the bump structures on the first shell 1 are all located on the same plane, and the bump structures on the second shell 2 are all located on the same plane, so that the box body can be aligned while the bump structures are fixed, and positioning is achieved.

Specifically, the lug structure integrated into one piece is on first casing 1, second casing 2, guarantees structural strength.

Specifically, the stiffening ribs 4 are arranged at intervals at the connecting parts of the first shell 1 and the second shell 2, so that the connecting strength is improved.

In order to facilitate the processing of the box body, as shown in fig. 4, the box body adopts a side standing posture during the processing, and the axes of the first shaft hole 11 and the second shaft hole 21 are in the horizontal direction, so that the processing of the box body is facilitated for workers, and the internal structure of the box body can be processed without secondary position adjustment of the box body.

Referring to fig. 4, the utility model provides a clamping tool for clamping the reducer box, which comprises a base 5 and a back plate 9, wherein the back plate 9 is vertically arranged on the base 5, a stand column 6 is fixedly arranged on the base 5 and/or the back plate 9, a clamping part 7 is fixedly arranged on the stand column 6, and the clamping part 7 is arranged corresponding to the positioning part 3 and can clamp and fix the positioning part 3; the base 5 is also provided with at least two bearing seats 8, and the bearing seats 8 are provided with lifting adjusting pieces.

The included angle area between the base 5 and the backboard 9 is a placement space of the box body, the upright post 6 can be selectively and fixedly arranged on the base 5 and the backboard 9, and can be independently arranged on one of the base 5 and the backboard 9, and the specific arrangement condition is determined according to the installation posture adopted by the box body during processing; when the box body is fixed, the box body is limited and fixed through the clamping part 7 and the bearing seat 8, and the backboard 9 is abutted with the end face of the axle hole of the box body to play a certain limiting role.

Specifically, clamping portion 7 tip is provided with the joint groove, and the joint groove cooperates with location portion 3 joint, and the joint groove is laminated mutually with protruding structure's location portion 3 edge and is realized the joint.

Specifically, threaded connection holes are formed in the clamping portion 7 and the upright post 6, and the clamping portion 7 is connected with the upright post 6 through bolts.

The lifting adjusting piece can adjust the vertical height of the gearbox body during clamping, so that the shaft hole of the gearbox body is in a proper machining angle, such as a horizontal state and a vertical state, and therefore accurate alignment is achieved, follow-up machining is facilitated, and machining precision is guaranteed. The lifting adjusting piece comprises a screw rod and a nut, wherein the screw rod is in threaded connection with a screw hole vertically formed in the top of the bearing seat 8, the top of the screw rod is provided with a bearing part, the nut is in threaded connection with the periphery of the screw rod, the vertical height of a box body part borne by the bearing seat 8 can be adjusted by adjusting the length of the screw rod screwed into the screw rod, and then the screw rod is further locked and fixed through the nut to prevent the screw rod from descending.

In order to ensure the bearing effect, corresponding first shell 1, second shell 2 are provided with bearing seat 8 respectively, of course, in the clamping and fixing process, clamping portion 7 on top of stand 6 has also played the fixed action to the box.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The speed reducer box body comprises a first shell (1) and a second shell (2) which are connected with each other, a first shaft hole (11) is formed in the first shell (1), a second shaft hole (12) is formed in the second shell (2), and the axis of the first shaft hole (11) is perpendicular to the axis of the second shaft hole (12), and the speed reducer box body is characterized in that: a positioning part (3) is arranged on the outer surface of at least one of the first shell (1) and the second shell (2), and the positioning part (3) is of a bump structure; the bump structures are arranged at intervals along the circumferential direction of the first shaft hole (11) at the edge of the first shell (1) and/or at intervals along the circumferential direction of the second shaft hole (12) at the edge of the second shell (2).

2. The reducer casing of claim 1, wherein: the bump structures on the first shell (1) are all located on the same plane, and the bump structures on the second shell (2) are all located on the same plane.

3. The reducer casing of claim 1, wherein: the bump structure is integrally formed on the first shell (1) and the second shell (2).

4. The reducer casing of claim 1, wherein: the bump structure is arranged along the radial direction of the first shaft hole (11) at the edge of the first shell (1) in a protruding way and/or along the radial direction of the second shaft hole (12) at the edge of the second shell (2) in a protruding way.

5. The reducer casing of claim 1, wherein: stiffening ribs (4) are arranged at intervals at the connecting parts of the first shell (1) and the second shell (2).

6. Clamping frock for clamping the reduction gear box of any one of claims 1 to 5, its characterized in that: the novel lifting device comprises a base (5) and a back plate (9), wherein the back plate (9) is vertically arranged on the base (5), an upright post (6) is fixedly arranged on the base (5) and/or the back plate (9), a clamping part (7) is fixedly arranged on the upright post (6), and the clamping part (7) is arranged corresponding to the positioning part (3) and can clamp and fix the positioning part (3); the base (5) is also provided with at least two bearing seats (8), and the bearing seats (8) are provided with lifting adjusting pieces.

7. The clamping tool of claim 6, wherein: the end part of the clamping part (7) is provided with a clamping groove which is matched with the positioning part (3) in a clamping way.

8. The clamping tool of claim 6, wherein: the clamping part (7) and the upright post (6) are provided with threaded connection holes, and the clamping part (7) is connected with the upright post (6) through bolts.

9. The clamping tool of claim 6, wherein: the lifting adjusting piece comprises a screw and a nut, the screw is in threaded connection with a screw hole vertically formed in the top of the bearing seat (8), the top of the screw is provided with a bearing part, and the nut is in threaded connection with the periphery of the screw.

10. The clamping fixture of any one of claims 6 to 9, wherein: the corresponding first shell (1) and the second shell (2) are respectively provided with the bearing seats (8).