Adjustable motor base

Abstract

The utility model relates to an adjustable motor base, which comprises a mounting seat, an adjusting assembly, a driving assembly and a limiting assembly, and is characterized in that the mounting seat is provided with a sliding rail extending along a first direction; the adjusting assembly is slidably mounted on the sliding rail in the first direction, and the adjusting assembly is used for being connected with a motor; the driving assembly is used for driving the adjusting assembly; the limiting assembly comprises at least two limiting pieces, and the at least two limiting pieces are distributed at the two ends of the sliding rail in the first direction and movably installed on the installation base in the first direction. Wherein the first direction corresponds to the radial direction of the driving shaft of the motor. The utility model aims to solve the problems that the belt can permanently extend and loosen after a period of time, so that the tensioning force is reduced, and the torque transmission loss is caused by a belt slipping phenomenon.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor base field, concretely relates to adjustable motor base. BACKGROUND

[0002] Belt drive is relied on the friction force between belt and pulley to transmit motion and power, so when using belt drive, the transmission belt should have certain tension to ensure normal work of belt drive, but after working for a period of time, the belt will be permanently elongated and relaxed, resulting in reduced tension, and the phenomenon of belt slip leads to torque transmission loss. SUMMARY

[0003] Based on the above description, the utility model provides an adjustable motor base to solve the problem of permanent elongation and relaxation of the belt in the existing belt drive, resulting in reduced tension, and the phenomenon of belt slip leads to torque transmission loss.

[0004] The technical scheme of the utility model to solve the above technical problem is as follows:

[0005] An adjustable motor base comprises:

[0006] A mounting seat is provided with a sliding rail extending in a first direction;

[0007] An adjustment assembly is slidably mounted on the sliding rail in the first direction, and the adjustment assembly is used to connect with the motor;

[0008] A driving assembly is used to drive the adjustment assembly; and,

[0009] A limiting assembly comprises at least two limiting pieces, and the at least two limiting pieces are distributed at both ends of the sliding rail in the first direction and movably mounted on the mounting seat in the first direction;

[0010] The first direction corresponds to the radial direction of the driving shaft of the motor.

[0011] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0012] Further, the mounting seat comprises a bottom plate and a mounting cover covering the upper end surface of the bottom plate, the mounting cover and the bottom plate form a mounting cavity, and the upper end surface of the mounting cover is provided with a through hole extending in the first direction;

[0013] The adjustment assembly is arranged in the mounting cavity and comprises a mounting column extending upward and downward, the upper end of the mounting column penetrates out of the through hole and is used to connect with the motor;

[0014] At least part of the sliding rail is formed by the through hole.

[0015] Further, the adjusting assembly comprises a main body part extending along the first direction and two connecting blocks connected to a lower end surface of the main body part and spaced along the first direction, each of the connecting blocks being provided with a connecting hole extending along the first direction;

[0016] The mounting column is connected to the main body part;

[0017] One end of the mounting seat is provided with a mounting hole corresponding to the connecting hole;

[0018] The driving assembly passes through the mounting hole and the connecting hole and is drivingly connected with the main body part.

[0019] Further, the driving assembly comprises:

[0020] a lead screw, one end of which extends into the mounting cavity and passes through the mounting hole and the two connecting holes; and

[0021] two limiting nuts, which are fixedly installed on the lead screw and spaced along the first direction, the two limiting nuts being located between the two connecting blocks and respectively abutting against the side surfaces close to the two connecting blocks;

[0022] The lead screw is threadedly connected with the mounting hole.

[0023] Further, the main body part is provided with a mounting threaded hole extending along the up-down direction;

[0024] The mounting column is a threaded column threadedly connected with the mounting threaded hole.

[0025] Further, the limiting member is provided as a jackscrew threaded column;

[0026] The mounting seat further comprises two mounting plates oppositely arranged along the first direction, each of the mounting plates being provided with a threaded through hole matched with the jackscrew threaded column;

[0027] The limiting assembly further comprises two jackscrew nuts matched with the jackscrew threaded column.

[0028] Further, a through groove along the first direction is arranged on a lower end surface of the bottom plate corresponding to the mounting cover;

[0029] The adjusting assembly is installed into the mounting cavity from the through groove.

[0030] Further, the mounting seat is spliced by a plurality of channel steels and a plurality of steel plates.

[0031] Compared with the prior art, the technical scheme of the present application has the following beneficial technical effects:

[0032] The first direction corresponds to the radial direction of the driving shaft of the motor, the driving shaft of the motor is connected with a pulley, after the permanent deformation relaxation of the belt, the two limiting members are first removed from the motor, the two limiting members are adjusted away from the motor, since the adjusting assembly is slidably installed on the sliding rail along the first direction, and the adjusting assembly is used to be connected with the motor, so that the position of the adjusting assembly on the mounting seat can be adjusted by the driving assembly, so as to adjust the center distance of the pulley on the motor relative to another pulley in the belt transmission, and then the belt tension can be adjusted, so as to avoid the phenomenon of belt slip, so as to keep the torque transmission stable, finally, the two limiting members are adjusted to abut against the motor, so as to fix the position of the motor and avoid displacement of the motor during operation. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 A structure schematic view of the adjustable motor base is provided for the embodiment of the utility model;

[0034] Figure 2 A top view schematic view of the adjustable motor base is provided for the embodiment of the utility model;

[0035] Figure 3 For Figure 2 A sectional view along A-A;

[0036] Figure 4 A structure schematic view of the adjusting assembly in the embodiment of the utility model;

[0037] Figure 5 A top view schematic view of the adjusting assembly in the embodiment of the utility model;

[0038] Figure 6 For Figure 5 A sectional view along B-B;

[0039] Figure 7 A structure schematic view of the bottom plate in the embodiment of the utility model.

[0040] In the drawings, the component list represented by each sign is as follows:

[0041] 1, mounting seat; 11, bottom plate; 111, through groove; 12, mounting cover; 121, through hole; 13, mounting cavity; 14, mounting plate; 141, mounting hole; 142, threaded hole; 2, adjusting assembly; 21, mounting column; 22, main body part; 221, mounting threaded hole; 23, connecting block; 231, connecting hole; 3, driving assembly; 31, screw rod; 32, limiting nut; 33, positioning nut; 4, limiting assembly; 41, jackscrew stud; 42, jackscrew nut; 5 guide nut; 6, reinforcing rib. DETAILED DESCRIPTION

[0042] For the purposes of the present application, a more complete description of which will follow, reference will be made to the accompanying drawings. The drawings are provided for purposes of illustration only and merely depict exemplary embodiments of the application. However, the application can be implemented in many different forms and should not be construed as 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 application to those skilled in the art.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0044] It will be understood that the spatially relative terms "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device is inverted or flipped over, a lower surface or element that is described as "below" or "beneath" another surface or element or feature in the figures can then be oriented "above" or "over" the other surface or element or feature. Thus, the example terms "below" and "under" can encompass both an orientation of above and below. The devices can also be oriented in the other direction (for example, rotated 90 degrees or at other orientations) and the included spatially relative terms are intended to be interpreted accordingly.

[0045] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", or the like, when used in this specification, specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

[0046] With reference to Figures 1 to 3 The adjustable motor base provided by the present application comprises a mounting base 1, an adjusting assembly 2, a driving assembly 3 and a limiting assembly 4. The mounting base 1 is provided with a sliding track extending along a first direction. The adjusting assembly 2 is slidably mounted on the sliding track along the first direction and is used to be connected with a motor. The driving assembly 3 is used to drive the adjusting assembly 2. The limiting assembly 4 comprises at least two limiting members which are distributed at two ends of the sliding track along the first direction and are movably mounted on the mounting base 1 along the first direction. The first direction corresponds to the radial direction of a driving shaft of the motor.

[0047] In the embodiment, the adjusting assembly 2 is driven by the driving assembly 3 to move along the sliding track in the first direction, so that the center distance of the pulley is adjusted, the belt is tensioned, and the motor is limited in the first direction by the two limiting members abutting against the motor, so that displacement of the motor during operation is avoided.

[0048] Specifically, referring to Figures 1 to 3 , the mounting seat 1 comprises a bottom plate 11 and a mounting cover 12 covering an upper end surface of the bottom plate 11, the mounting cover 12 and the bottom plate 11 form a mounting cavity 13, an upper end surface of the mounting cover 12 is provided with a through hole 121 extending in the first direction, the through hole 121 is in a strip shape, the adjusting assembly 2 is arranged in the mounting cavity 13, the upper end of the mounting column 21 penetrates out of the through hole 121, at least part of the sliding track is formed by the through hole 121, the through hole 121 plays a guiding role on the mounting column 21, the motor is carried on the upper end surface of the mounting cover 12 and connected with the mounting column 21, the motor is driven to move in the first direction by sliding of the mounting column 21 in the through hole 121, so that the position of the motor can be adjusted.

[0049] The utility model does not limit the specific structure of the sliding track, and the adjusting assembly 2 can also be provided with a sliding groove, and the mounting seat 1 is provided with a sliding block slidingly mounted in the sliding groove.

[0050] Specifically, referring to Figures 4 to 6 , the adjusting assembly 2 comprises a main body part 22 extending in the first direction and two connecting blocks 23 connected to the lower end surface of the main body part 22 and spaced apart in the first direction, each connecting block 23 is provided with a connecting hole 231 extending in the first direction, the mounting column 21 is connected to the main body part 22, and one end of the mounting seat 1 is provided with a mounting hole 141 corresponding to the connecting hole 231. In an embodiment, the driving assembly 3 can be a linear motor or a rod extending in the first direction, one end of the rod or the end of the driving rod of the linear motor penetrates through the mounting hole 141 and is connected with the two connecting holes 231, so that the position adjustment of the adjusting assembly 2 can be realized by pulling the rod or the driving rod of the linear motor, and the setting is simple.

[0051] In the embodiment, referring to Figure 3 , Figure 4 and Figure 6The driving assembly 3 comprises a screw rod 31 and two limiting nuts 32. The screw rod 31 extends along the first direction, and one end of the screw rod 31 extends into the mounting cavity 13 and passes through the mounting hole 141 and the two connecting holes 231. The two limiting nuts 32 are fixedly installed on the screw rod 31 and are spaced apart along the first direction. The two limiting nuts 32 are located between the two connecting blocks 23 and abut against the sides of the two connecting blocks 23 close to each other. The mounting hole 141 is a threaded hole matched with the screw rod 31. Rotating the screw rod 31 drives the screw rod 31 to move along the first direction, and the two limiting nuts 32 move together, driving the two connecting blocks 23 to move, that is, the adjusting assembly 2 moves as a whole. Thus, the structure is simple, the driving is convenient, and the manufacturing is easy.

[0052] In another embodiment, for the convenience of production, referring to Figures 1 to 3 The mounting hole 141 is a light hole. A guide nut 5 can also be welded on the mounting cover 12. The threaded hole of the guide nut 5 is coaxially arranged with the mounting hole 141. The guide nut 5 can be screwed with the screw rod 31. Thus, without threading holes on the mounting cover 12, the guide nut 5 is directly welded to achieve the purpose of rotating the screw rod 31 to move along the first direction, simplify the production process, and reduce the manufacturing cost.

[0053] In this embodiment, referring to Figure 1 and Figure 3 The adjusting assembly 2 further comprises a positioning nut 33 screwed on the other end of the screw rod 31 on one side of the guide nut 5. After adjusting the position of the motor, the positioning nut 33 is rotated to abut against the guide nut 5 to lock the rotation of the screw rod 31, further avoiding the movement of the motor during operation.

[0054] In this embodiment, during the installation of the adjusting assembly 2, the other end of the screw rod 31 is sequentially passed through the mounting hole 141 and one of the connecting holes 231, then screwed with the two limiting nuts 32, and finally passed through the other connecting hole 231. Then, the two limiting nuts 32 are rotated to abut against the sides of the two connecting blocks 23 close to each other, and the two limiting nuts 32 are welded on the screw rod 31. Thus, the structure is stable and firm.

[0055] It needs to be explained that the utility model does not limit the number of mounting column 21 and the number of sliding rail, and is specifically according to the mounting point of motor, in the embodiment, the mounting column 21 is arranged into two, is arranged along the first direction interval, the sliding rail is also arranged into two, is arranged along the width direction interval of the through hole 121, and thus can stably install motor on the mounting seat 1.

[0056] In the embodiment, referring to Figure 1 、 Figure 2 and Figure 7 , a plurality of threaded holes are arranged on the bottom plate 11, the mounting seat 1 can be installed and fixed through the plurality of threaded holes, in order to put the adjusting assembly 2 into the mounting cavity 13 or take out from the mounting cavity 13, the lower end surface of the bottom plate 11 is provided with a through slot 111 along the first direction corresponding to the mounting cover 12, the adjusting assembly 2 can be installed into the mounting cavity 13 through the through slot 111, then the lead screw 31 is sequentially threaded through the mounting hole 141, two limiting nuts 32 and two connecting holes 231, and finally the mounting seat 1 is installed and fixed; in this way, installation is convenient.

[0057] In the embodiment, referring to Figures 4 to 6 , two connecting blocks 23 are welded on the lower end surface of the main block, the main part 22 is provided with an installation threaded hole 221 arranged along the up-down direction, the installation threaded hole 221 and the connecting block 23 are staggered relative to the main part 22, the mounting column 21 is a threaded stud, the mounting column 21 is first threaded in the installation threaded hole 221 and then welded to form an integral whole.

[0058] In addition, referring to Figures 1 to 3 , the mounting seat 1 is spliced by a plurality of channel steels and a plurality of steel plates, the mounting cover 12 is arranged as a channel steel, the mounting seat 1 further includes two mounting plates 14 oppositely arranged along the first direction, two mounting plates 14 are welded on both ends of the channel steel, and the upper end surface of each mounting plate 14 protrudes from the upper end surface of the mounting cover 12, the bottom plate 11 and the two mounting plates 14 are steel plates, the mounting seat 1 further includes a plurality of reinforcing ribs, each reinforcing rib is arranged as a triangular steel plate, and each reinforcing rib is connected to the mounting cover 12 and the bottom plate 11; in this way, manufacturing is simple, and cost is low.

[0059] Specifically, referring to Figure 1 and Figure 3The limiting member is provided as a jackscrew stud 41; each mounting plate 14 is provided with a threaded through hole 142 cooperating with the jackscrew stud 41; the limiting assembly 4 further comprises two jackscrew nuts 42 cooperating with the jackscrew stud 41; on one hand, the two jackscrew studs 41 can be locked to abut against the motor, thereby limiting the motor in the first direction, avoiding displacement of the motor during operation; on the other hand, the jackscrew nuts 42 can be loosened, and the motor can be loosened from the mounting column 21, the motor is jacked up by the jackscrew stud 41, so that the motor moves in the first direction, the position of the motor relative to the mounting seat 1 is adjusted, thereby assisting in adjusting the position of the motor; in this way, the operation is flexible, and the position of the motor is conveniently adjusted.

[0060] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable motor base, characterized by, The application relates to a motor adjusting device. The device comprises: a mounting base provided with a sliding track extending along a first direction; an adjusting assembly slidably mounted on the sliding track along the first direction, the adjusting assembly being used to be connected with a motor; a driving assembly used to drive the adjusting assembly; and a limiting assembly comprising at least two limiting members, the at least two limiting members being distributed at two ends of the sliding track along the first direction and movably mounted on the mounting base along the first direction; wherein the first direction corresponds to the radial direction of a driving shaft of the motor.

2. The adjustable motor base of claim 1, wherein, The mounting base comprises a bottom plate and a mounting cover arranged on the upper end face of the bottom plate, the mounting cover and the bottom plate forming a mounting cavity, and the upper end face of the mounting cover is provided with a through hole extending along the first direction; the adjusting assembly is arranged in the mounting cavity and comprises a mounting column extending along the up-down direction, the upper end of the mounting column penetrating out of the through hole and being used to be connected with the motor; at least part of the sliding track is formed by the through hole.

3. The adjustable motor base of claim 2, wherein, The adjusting assembly comprises a main body part extending along the first direction and two connecting blocks connected with the lower end face of the main body part and spacedly distributed along the first direction, each of the connecting blocks being provided with a connecting hole extending along the first direction; the mounting column is connected with the main body part; one end of the mounting base is provided with a mounting hole corresponding to the connecting hole; the driving assembly penetrates through the mounting hole and the connecting hole and is drivingly connected with the main body part.

4. The adjustable motor base of claim 3, wherein, The driving assembly comprises: a screw rod, one end of the screw rod penetrating into the mounting cavity and penetrating through the mounting hole and the two connecting holes; and two limiting nuts fixedly mounted on the screw rod and spacedly distributed along the first direction, the two limiting nuts being located between the two connecting blocks and respectively abutting against the side faces of the two connecting blocks close to the limiting nuts; the screw rod is threadedly connected with the mounting hole.

5. The adjustable motor base of claim 3, wherein, The main body part is provided with a mounting screw hole penetratingly arranged along the up-down direction; the mounting column is a screw column threadedly connected with the mounting screw hole.

6. The adjustable motor base of claim 2, wherein, The limiting member is arranged as a jackscrew screw column; the mounting base further comprises two mounting plates oppositely arranged along the first direction, each of the mounting plates being provided with a threaded through hole matched with the jackscrew screw column; the limiting assembly further comprises two jackscrew nuts matched with the jackscrew screw column.

7. The adjustable motor base of claim 2, wherein, The lower end face of the bottom plate is provided with a through groove along the first direction corresponding to the mounting cover; the adjusting assembly is mounted into the mounting cavity from the through groove.

8. The adjustable motor base of claim 1, wherein, The mounting base is spliced by a plurality of channel steels and a plurality of steel plates.

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