CN216072653U - Tractor frame and tractor - Google Patents

Abstract

The utility model belongs to the technical field of elevator equipment, and particularly relates to a tractor base and a tractor with the tractor base. The tractor base comprises a base body, wherein the base body comprises a first shaft sleeve, a second shaft sleeve and a third shaft sleeve which are arranged around the same axis, the second shaft sleeve is sleeved between the first shaft sleeve and the third shaft sleeve, the front end of the first shaft sleeve is connected with the front end of the second shaft sleeve through a first connecting part, and the rear end of the first shaft sleeve is connected with the rear end of the second shaft sleeve through a second connecting part. According to the traction machine base, the front end of the first shaft sleeve is connected with the front end of the second shaft sleeve through the first connecting part, and the rear end of the first shaft sleeve is connected with the rear end of the second shaft sleeve through the second connecting part, so that the overall strength of the base body can be effectively improved, the possibility of deformation of the base body is reduced, and the safety and the reliability of the traction machine during operation are further ensured.

Description

Tractor frame and tractor

Technical Field

The utility model belongs to the technical field of elevator equipment, and particularly relates to a tractor base and a tractor with the tractor base.

Background

The traction machine is a power device of an elevator, is mainly used for conveying and transmitting power to enable the elevator to run, and mainly comprises a motor, a brake, a coupler, a reduction gearbox, a traction wheel, a guide wheel, an auxiliary barring hand wheel and the like. Generally, these components are mounted on a machine base of a hoisting machine, which is then mounted on a steel beam of an elevator component. The tractor has large mass and large inertia during operation. When the elevator suddenly brakes emergently, the tractor easily causes the deformation of the base due to the self inertia effect, thereby reducing the safety and reliability of the equipment in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the problem that a tractor base is easy to deform, and the aim is realized by the following modes:

a first aspect of the present invention provides a traction machine stand, comprising:

the engine base body, the engine base body includes first axle sleeve, second axle sleeve and the third axle sleeve that sets up around same axis, the second axle sleeve cover is located first axle sleeve with between the third axle sleeve, the front end of first axle sleeve with the front end of second axle sleeve is connected through first connecting portion, the rear end of first axle sleeve with the rear end of second axle sleeve is connected through second connecting portion.

According to the traction machine base, the front end of the first shaft sleeve is connected with the front end of the second shaft sleeve through the first connecting part, and the rear end of the first shaft sleeve is connected with the rear end of the second shaft sleeve through the second connecting part, so that the overall strength of the base body can be effectively improved, the possibility of deformation of the base body is reduced, and the safety and the reliability of the traction machine during operation are further ensured.

In addition, the traction machine base according to the present invention may further have the following additional technical features:

in some embodiments of the utility model, the first connection portion is a tapered surface extending toward an outside of the housing body.

In some embodiments of the present invention, the second connecting portion includes a plurality of first ribs arranged around an outer circumferential surface of a rear end of the first boss.

In some embodiments of the utility model, the first reinforcing bead is a Z-shaped reinforcing bead.

In some embodiments of the present invention, the housing body further includes a plurality of second ribs, and the plurality of second ribs are arranged around an outer circumferential surface of a front end of the first sleeve and are used to connect the first sleeve and the first connecting portion.

In some embodiments of the present invention, the housing body further includes a third connecting portion for connecting a front end of the second bushing and a front end of the third bushing, and the third connecting portion is perpendicular to an axis of the housing body.

In some embodiments of the utility model, the third connecting portion is provided with a first heat dissipating port communicating with the inside of the housing body.

In some embodiments of the present invention, the third sleeve is provided at an outer circumferential surface thereof with a plurality of third ribs.

In some embodiments of the utility model, the traction machine base further comprises a base, the base is arranged below the base body, and the base is provided with a second heat dissipation port communicated with the inside of the base body.

Another aspect of the present invention also provides a traction machine having the traction machine base of any one of the above.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings. Wherein:

fig. 1 is a front view of a hoisting machine base according to the embodiment

FIG. 2 is a schematic sectional view taken along line A-A of the tractor frame of FIG. 1;

FIG. 3 is a rear view of the machine base of FIG. 1;

fig. 4 is a bottom view of the tractor frame of fig. 1;

fig. 5 is a top view of the machine base of fig. 1.

The reference numerals in the drawings denote the following:

1: a tractor base;

10: frame body, 11: first sleeve, 111: first lumen, 112: second lumen, 12: second shaft sleeve, 13: third bushing, 14: first connection portion, 15: first reinforcing rib, 16: third connection portion, 17: second reinforcing rib, 18: third reinforcing rib, 191: first heat dissipation port, 192: mounting hole of steel wire rope anti-tripping device, 193: a protective cover mounting hole;

20: base, 21: first support seat, 22: second supporting seat, 23: second heat dissipation port, 24: wire passing groove, 25: lightening holes, 26: a threaded hole;

30: a brake mounting boss;

40: a suspension ring hole;

50: the barring protection switch installs the boss.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be 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 utility model to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The utility model provides a tractor, in particular to an outer rotor tractor. The hoisting machine includes a hoisting machine base 1, and as shown in fig. 1 to 3, the hoisting machine base 1 of the present embodiment includes a base body 10 and a base 20. The base body 10 is disposed above the base 20, and the base 20 supports the base body 10. The engine base body 10 comprises a first shaft sleeve 11, a second shaft sleeve 12 and a third shaft sleeve 13 which are arranged around the same axis, the second shaft sleeve 12 is sleeved between the first shaft sleeve 11 and the third shaft sleeve 13, and the first shaft sleeve 11, the second shaft sleeve 12 and the third shaft sleeve 13 are arranged at equal intervals. A tube cavity for mounting a rotating shaft (not shown in the figure) is formed inside the first shaft sleeve 11, and the rotating shaft is arranged in the tube cavity and can rotate around the axis of the rotating shaft. The second shaft sleeve 12 and the third shaft sleeve 13 form a containing cavity for installing a motor (not shown in the figure), the motor comprises a stator and a rotor, and the rotor is sleeved outside the stator and rotates under the action of the stator. The rear end of the rotating shaft in the first shaft sleeve 11 is connected with the rotor in a transmission way, the front end of the rotating shaft is connected with the traction sheave (not shown in the figure) in a transmission way, and the specific connection mode can be selected in a key connection way, so that the traction sheave is driven to rotate through the rotation of the rotor, and further the traction movement is carried out through the traction machine. Specifically, the inner lumen of the first sleeve 11 in the present embodiment includes a first lumen 111 and a second lumen 112 sequentially arranged along the axial direction, the second lumen 112 is arranged at the front end of the first lumen 111, wherein the inner diameter of the second lumen 112 is larger than the inner diameter of the first lumen 111, and a shoulder is arranged at the connection between the first lumen 111 and the second lumen 112. The second lumen 112 is provided with a front bearing for supporting the rotation of the rotating shaft, and the front bearing is attached to the shoulder. First lumen 111 is the toper structure, and along the axial direction of first lumen 111 towards second lumen 112, the internal diameter size of first lumen 111 increases gradually, is equipped with in the rear end lumen of first lumen 111 to be used for supporting pivot pivoted rear bearing, supports the pivot jointly through front bearing and rear bearing and rotates to can prevent effectively that the pivot from taking place axial float at the rotation in-process.

In the present embodiment, the end of the hoisting machine base 1 close to the traction sheave is defined as the front end of the hoisting machine base 1, and the end of the hoisting machine base 1 remote from the traction sheave is defined as the rear end of the hoisting machine base 1.

Specifically, the front end of the first shaft sleeve 11 and the front end of the second shaft sleeve 12 are connected through the first connecting portion 14, and the rear end of the first shaft sleeve 11 and the rear end of the second shaft sleeve 12 are connected through the second connecting portion, so that the connection strength between the first shaft sleeve 11 and the second shaft sleeve 12 can be effectively increased, the overall strength of the machine base body 10 is improved, the possibility of deformation of the machine base body 10 is reduced, and the safety and reliability of the traction machine during operation are further ensured.

Further, the front end of the second shaft sleeve 12 and the front end of the third shaft sleeve 13 of the traction machine base 1 of the embodiment are connected through the third connecting portion 16, so that the opening of the accommodating cavity formed between the second shaft sleeve 12 and the third shaft sleeve 13 is arranged away from the traction wheel, the stress point between the rotor and the rotating shaft is arranged at the rear end of the rotating shaft, the stress point between the traction wheel and the rotating shaft is arranged at the front end of the rotating shaft, the axial distance between the stress points at the front end and the rear end of the rotating shaft is further increased, the stress of the rotating shaft is more balanced, the rotating shaft and/or the traction machine base 1 are prevented from deforming in the operation process of the traction machine, and the safety and the reliability of the operation process of the traction machine are ensured. Specifically, in the present embodiment, the front end of the second sleeve 12 is flush with the front end of the third sleeve 13 in the axial direction, and the third connecting portion 16 is an annular surface perpendicular to the axis of the housing body 10. In other embodiments of the present application, the rear end of the second shaft sleeve 12 may be connected to the rear end of the third shaft sleeve 13, so that the opening of the accommodating cavity formed between the second shaft sleeve 12 and the third shaft sleeve 13 is disposed toward the traction sheave, and the force bearing point between the rotor and the rotating shaft and the force bearing point between the traction sheave and the rotating shaft are both disposed at the front end of the rotating shaft.

Further, in the present embodiment, the front end of the first shaft sleeve 11 is disposed closer to the traction sheave than the front end of the second shaft sleeve 12, and the first connecting portion 14 for connecting the front end of the first shaft sleeve 11 and the front end of the second shaft sleeve 12 is a tapered surface extending toward the outside of the housing body 10 and disposed at an angle with the third connecting portion 16. Specifically, the angle between the first connection portion 14 and the third connection portion 16 in the present embodiment is set to 155 °. Compared with the cylindrical surface in the prior art, the stability of the conical surface structure in the embodiment is stronger, and the deformation of the engine base body 10 is further prevented.

Referring to fig. 1 to 3 again, the second connecting portion of the present embodiment includes a plurality of first reinforcing ribs 15, the plurality of first reinforcing ribs 15 are arranged around the outer peripheral surface of the rear end of the first shaft sleeve 11, the first reinforcing ribs 15 can enhance the connection strength between the first shaft sleeve 11 and the second shaft sleeve 12, and the plurality of first reinforcing ribs 15 are arranged at intervals, so as to be more favorable for the circulation of air flow, and further facilitate the heat dissipation of the motor during the operation process. Specifically, the first rib 15 in the present embodiment is a Z-shaped rib, one end of which is connected to the rear end of the first boss 11, and the other end of which is connected to the rear end of the second boss 12.

Further, the housing body 10 of the present embodiment further includes a plurality of second ribs 17, the plurality of second ribs 17 are arranged around the outer circumferential surface of the front end of the first sleeve 11, one end of the second rib 17 is connected to the first sleeve 11, and the other end of the second rib 17 is connected to the first connection portion 14, so as to further improve the overall strength of the housing body 10 and prevent the traction machine housing 1 from deforming during operation. The second reinforcing rib 17 of the present embodiment is an obtuse triangle structure, two short sides of the obtuse triangle structure are respectively attached to the first boss 11 and the first connecting portion 14, and one long side of the obtuse triangle structure is used for connecting the first boss 11 and the first connecting portion 14.

Further, the third shaft sleeve 13 of the present embodiment has a plurality of third ribs 18 on the outer circumferential surface thereof, the plurality of third ribs 18 are arranged around the top surface and the side surface of the third shaft sleeve 13, and the third ribs 13 are provided to further enhance the supporting strength of the third shaft sleeve 13, thereby further enhancing the overall strength of the machine base body 10 and preventing the traction machine base 1 from being deformed during operation.

Further, the third connecting portion 16 of the present embodiment is provided with a first heat dissipating port 191 communicating with the inside of the housing body 10, and the first heat dissipating port 191 is provided opposite to the rotor or the stator. The first heat dissipation opening 191 communicated with the inside of the base body 10 is provided to effectively dissipate heat of the motor in an operating state, thereby ensuring the reliability of the operation of the traction machine. Specifically, the number of the first heat dissipation openings 191 of the present embodiment is two, and the two first heat dissipation openings 191 are symmetrically disposed along the center line of the second connection portion 16. The third connecting portion 16 is further provided with a wire rope anti-jump device mounting hole 192 and a protection cover mounting hole 193, and a protection cover for protecting the traction sheave can be fixed to the front end of the machine base body 10 through the protection cover mounting hole 193 to protect.

Further, as shown in fig. 4, the base 20 of the present embodiment includes a first support seat 21 and a second support seat 22, the first support seat 21 and the second support seat 22 are disposed at two sides of the base 20 at an interval, and a second heat dissipation opening 23 penetrating through the base 20 and communicating with the inside of the base body 10 is disposed between the first support seat 21 and the second support seat 22. The second heat dissipation port 23 communicated with the inside of the base body 10 is provided, so that the motor in the running state can be effectively dissipated, and the running reliability of the traction machine is ensured. A wire passing groove 24 is further formed in the position, close to the front end, of the second heat dissipation port 23, and a wire for connecting the motor is led out to the outside of the base body 10 through the wire passing groove 24 and is communicated with an external power supply, so that the motor is powered, and the rotating shaft and the traction sheave are driven to rotate.

In this embodiment, the distance between the outermost edges of the first support seat 21 and the second support seat 22 is smaller than the diameter of the third shaft sleeve 13, so as to enhance the extrusion force of the base body 10 on the base 20, and to make the connection between the base body 10 and the mounting surface more reliable. In this embodiment, the traction machine base 1 is connected to a top beam of the elevator car frame, threaded holes 26 are formed in the bottoms of the first support base 21 and the second support base 22, and the traction machine base 1 is fixed above the top beam by means of bolt connection. Furthermore, the bottom portions of the first support base 21 and the second support base 22 of the present embodiment are provided with lightening holes 25, respectively, so that the overall weight of the hoisting machine base 1 is effectively reduced, and the load on the elevator car frame is reduced. Further, the left side and the right side of the base 20 are respectively provided with a junction box assembly and a nameplate, wherein the junction box assembly is arranged near one side of the wire passing groove 124.

In the present embodiment, since the base body 10 has a substantially cylindrical structure and the base 20 has a square structure, the traction machine base 1 is more appropriately stressed and the deformation of the traction machine base 1 is reduced when the base 10 is disposed above the base 20.

Further, as shown in fig. 3 and 5, the traction machine base 1 of the present embodiment further includes a brake mounting boss 30, and the brake can be mounted on the base body 10 by the brake mounting boss 30. The number of the brake mounting bosses 30 is two, and the two brake mounting bosses 30 are respectively mounted on both sides of the third shaft sleeve 13 and are oppositely disposed. Specifically, the brake mounting boss 30 of the present embodiment may be integrally formed with the housing body 10, or may be integrally formed with the housing body 10 by a welding technique, so as to improve the connection strength between the brake mounting boss 30 and the housing body 0. Further, the brake mounting bosses 30 on both sides in this embodiment are further provided with a suspension ring hole 40, respectively.

Further, the traction machine base 1 of the present embodiment further includes a barring protection switch mounting boss 50, the barring protection switch mounting boss 50 is disposed at the rear end of the base body 10, and specifically, the barring protection switch mounting boss 50 is connected to an inner wall surface of the third shaft sleeve 13, so as to be used for mounting a barring protection switch, and further protect a barring mechanism, and ensure safety and reliability of equipment operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A traction machine stand, comprising:

the engine base body, the engine base body includes first axle sleeve, second axle sleeve and the third axle sleeve that sets up around same axis, the second axle sleeve cover is located first axle sleeve with between the third axle sleeve, the front end of first axle sleeve with the front end of second axle sleeve is connected through first connecting portion, the rear end of first axle sleeve with the rear end of second axle sleeve is connected through second connecting portion.

2. The machine stand of claim 1, wherein the first connection portion is a tapered surface extending toward an exterior of the stand body.

3. The machine base of claim 1, wherein the second connecting portion comprises a plurality of first ribs arranged in a row around an outer circumferential surface of a rear end of the first sleeve.

4. The machine stand of claim 3, wherein the first stiffener is a Z-shaped stiffener.

5. The machine base of claim 1, wherein the machine base body further comprises a plurality of second reinforcing ribs arranged around an outer circumferential surface of a front end of the first sleeve and connecting the first sleeve and the first connecting portion.

6. The machine base of claim 1, wherein the base body further comprises a third connecting portion for connecting a front end of the second bushing and a front end of the third bushing, and the third connecting portion is perpendicular to an axis of the base body.

7. The traction machine stand according to claim 6, wherein the third connecting portion is provided with a first heat radiation port communicating with the inside of the stand body.

8. The machine stand according to claim 1, wherein a plurality of third reinforcing ribs are provided on an outer peripheral surface of the third sleeve.

9. The traction machine stand according to claim 1, further comprising a base provided below the stand body, wherein the base is provided with a second heat dissipation port communicating with the inside of the stand body.

10. A traction machine characterized by having the traction machine base according to any one of claims 1 to 9.

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