Three-phase asynchronous motor for small excavator

Abstract

The utility model belongs to the technical field of small-sized excavators, and discloses a three-phase asynchronous motor for a small-sized excavator, which comprises a three-phase asynchronous motor, and symmetrically arranged supports are mounted on the three-phase asynchronous motor; the device further comprises a fixing base installed on the small excavator, clamping strips corresponding to the supports are installed on the top of the fixing base, hexagon socket screws are installed on the clamping strips in a threaded fit mode, the supports are installed on the clamping strips through the hexagon socket screws, and the three-phase asynchronous motor is installed on the fixing base through the supports, the clamping strips and the hexagon socket screws. The support comprises a rectangular clamping groove formed in the bottom of the support. The clamping strip comprises rectangular clamping plates which are fixed to the fixing base and correspond to the rectangular clamping grooves respectively, the rectangular clamping grooves are matched with the rectangular clamping plates, and side clamping grooves are formed in the left side and the right side of each rectangular clamping groove. According to the utility model, the three-phase asynchronous motor can be conveniently assembled on the mini-excavator, and the operation is simple and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to small excavator technical field especially uses three -phase asynchronous motor of small excavator. BACKGROUND

[0002] Three -phase asynchronous motor is a kind of AC motor, also be called asynchronous induction motor, is widely used in various machinery and equipment, it is mainly to utilize the principle of rotating magnetic field to reach the purpose of electric drive, and three -phase asynchronous motor is a kind of stable reliable, strong applicability motor, is widely used in various machinery and equipment, such as fan, compressor, water pump, conveyor, reel machine, mixer and so on.

[0003] At present, small excavator adopts three -phase asynchronous motor, can improve the working efficiency of machine, reduce the consumption of energy, reduce the wear and tear of key components simultaneously, prolong the service life of machine, greatly promote its working performance and economic benefit, but the present application person installs three -phase asynchronous motor and finds that: at present, through multiple bolts and nuts three -phase asynchronous motor is installed on small excavator, its installation step is more cumbersome, therefore, we propose a kind of three -phase asynchronous motor for small excavator. UTILITARY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art pointed out above, the present application has been thoroughly studied by the inventor after a lot of creative labor, and thus the present utility model is completed.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a three -phase asynchronous motor for small excavator to solve the technical problem that the installation step is more cumbersome when three -phase asynchronous motor is installed on small excavator by multiple bolts and nuts.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions:

[0007] A three -phase asynchronous motor for small excavator, comprising three -phase asynchronous motor, the three -phase asynchronous motor is installed with symmetrically arranged support;

[0008] It further comprises a fixing seat installed on the small excavator, the top of the fixing seat is installed with a clamping strip corresponding to the support respectively, the clamping strip is threadedly connected with an internal hexagonal bolt, and the support is installed on the clamping strip through the internal hexagonal bolt, and the three -phase asynchronous motor is installed on the fixing seat through the support, the clamping strip and the internal hexagonal bolt.

[0009] As an improved technical solution, the support comprises a rectangular clamping groove formed in the bottom of the support;

[0010] The card strip comprises rectangular card plates fixed on the fixing seat and corresponding to the rectangular card slots respectively.

[0011] As an improved technical solution, the left and right sides of the rectangular card slot are provided with side card slots;

[0012] The left and right sides of the rectangular card plate are integrally provided with side card plates corresponding to the side card slots respectively, and the side card plates are matched with the side card slots.

[0013] As an improved technical solution, the upper two corners of the rectangular card slot are provided with corner card slots;

[0014] The upper two corners of the rectangular card plate are integrally provided with corner card plates corresponding to the corner card slots respectively, and the corner card plates are matched with the corner card slots.

[0015] As an improved technical solution, the top of one end of the rectangular card slot is provided with a through hole;

[0016] The top of one end of the rectangular card plate is provided with a threaded hole matched with the internal hexagonal bolt in a threaded manner, and when in the installed state, the through hole and the threaded hole are vertically coaxial, and the internal hexagonal bolt is installed on the rectangular card plate through the threaded cooperation of the through hole and the threaded hole.

[0017] As an improved technical solution, the support is provided with a reinforcing rib, and the cross section of the reinforcing rib is isosceles trapezoidal, two faces of the reinforcing rib are installed on the support, and one face of the reinforcing rib is installed on the three-phase asynchronous motor.

[0018] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model discloses a fixing seat, a card strip and a three-phase asynchronous motor, wherein the fixing seat is fixed on the three-phase asynchronous motor, the card strip is fixed on the fixing seat, the rectangular card plate is matched with the rectangular card slot, the side card plate is matched with the side card slot, the corner card plate is matched with the corner card slot, the internal hexagonal bolt is matched with the threaded hole and the through hole, and the three-phase asynchronous motor is matched with the card strip.

[0020] 2. The utility model discloses a reinforcing rib is arranged on the support, so that the structure of the support is more stable, and the compression resistance and the bending stiffness of the support in the vertical direction can be enhanced. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments of the present application shall fall within the scope of the present application.

[0022] Figure 1 It is a whole front view structural schematic diagram of the three-phase asynchronous motor for the small excavator of the present application.

[0023] Figure 2 It is a whole side view structural schematic diagram of the three-phase asynchronous motor for the small excavator of the present application.

[0024] Figure 3 It is a whole explosion structural schematic diagram of the three-phase asynchronous motor for the small excavator of the present application.

[0025] Figure 4 It is an enlarged structural schematic diagram of A in the present application. Figure 3

[0026] Figure 5 It is an enlarged structural schematic diagram of B in the present application. Figure 3

[0027] The legend of the drawings is as follows:

[0028] In the drawings: 1, three-phase asynchronous motor; 2, fixed seat; 3, support; 301, rectangular clamping groove; 302, side clamping groove; 303, corner clamping groove; 304, through hole; 305, reinforcing rib; 4, clamping strip; 401, rectangular clamping plate; 402, side clamping plate; 403, corner clamping plate; 404, threaded hole; 5, inner hexagonal bolt. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of the present application.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0031] ​​Meanwhile, "and / or" or "and / or" appearing in the whole text means that it includes three schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme.

[0032] In addition, the description such as "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0033] Referring to Figures 1-5 , a kind of small excavator three-phase asynchronous motor is provided, this small excavator three-phase asynchronous motor includes, three-phase asynchronous motor 1, three-phase asynchronous motor 1 is installed with symmetrically arranged support 3;

[0034] It further includes the fixing seat 2 installed on small excavator, the top of fixing seat 2 is installed with the clamping strip 4 corresponding to support 3 respectively, the internal hexagon bolt 5 is threadedly engaged and installed on clamping strip 4, and support 3 is installed on clamping strip 4 by internal hexagon bolt 5, three-phase asynchronous motor 1 is installed on fixing seat 2 by support 3, clamping strip 4 and internal hexagon bolt 5, to facilitate three-phase asynchronous motor 1 assembly to small excavator, and simple and quick operation.

[0035] Referring to Figures 2-5 , support 3 includes the rectangular clamping groove 301 opened in the bottom of support 3;

[0036] Clamping strip 4 includes rectangular clamping plate 401 fixed on fixing seat 2 and corresponding to rectangular clamping groove 301 respectively, and rectangular clamping groove 301 and rectangular clamping plate 401 are adapted to each other, so that rectangular clamping plate 401 is clamped and installed in rectangular clamping groove 301.

[0037] Referring to Figures 3-5 , the left and right sides of rectangular clamping groove 301 are provided with side clamping groove 302;

[0038] The left and right sides of rectangular clamping plate 401 are integrally formed with side clamping plate 402 corresponding to side clamping groove 302 respectively, and side clamping plate 402 and side clamping groove 302 are adapted to each other, so that side clamping plate 402 is clamped and installed in side clamping groove 302.

[0039] Referring to Figures 3-5 , the upper two corners of rectangular clamping groove 301 are provided with corner clamping groove 303;

[0040] The upper two corners of the rectangular card plate 401 are provided with corner card plates 403 integrally formed and corresponding to the corner card slots 303 respectively, and the corner card plates 403 are matched with the corner card slots 303, so as to facilitate the clamping installation of the corner card plates 403 in the corner card slots 303.

[0041] Referring to Figures 3-5 , the top of one end of the rectangular card slot 301 is provided with a through hole 304;

[0042] The top of one end of the rectangular card plate 401 is provided with a threaded hole 404 which is threadedly matched with the inner hexagonal bolt 5, and in the installed state, the through hole 304 is vertically coaxial with the threaded hole 404, and the inner hexagonal bolt 5 is threadedly matched and installed on the rectangular card plate 401 through the through hole 304 and the threaded hole 404, so as to facilitate the installation of the rectangular card plate 401 on the support 3 through the inner hexagonal bolt 5.

[0043] Referring to Figures 1-3 , the support 3 is provided with a reinforcing rib 305, and the cross section of the reinforcing rib 305 is isosceles trapezoidal, two faces of the reinforcing rib 305 are installed on the support 3, and one face of the reinforcing rib 305 is installed on the three-phase asynchronous motor 1, so as to improve the stability of the structure of the support 3, and at the same time, the compressive and bending stiffness of the support 3 in the vertical direction is enhanced.

[0044] In actual use, when the three-phase asynchronous motor 1 needs to be assembled on a small excavator, the support 3 fixed on the three-phase asynchronous motor 1 is assembled on the clamping strip 4 of the fixing seat 2, at this time, the rectangular card plate 401 is clamped and installed in the rectangular card slot 301, the side card plate 402 is clamped and installed in the side card slot 302, the corner card plate 403 is clamped and installed in the corner card slot 303, and the threaded hole 404 is vertically coaxial with the through hole 304, then the inner hexagonal bolt 5 is screwed, at this time, the inner hexagonal bolt 5 passes through the through hole 304 and is screwed into the threaded hole 404, until the clamping strip 4 is fixed on the support 3, during which, the reinforcing rib 305 on the support 3 improves the stability of the structure of the support 3, and at the same time, the compressive and bending stiffness of the support 3 in the vertical direction is enhanced, so as to facilitate the assembly of the three-phase asynchronous motor 1 on the small excavator, and the operation is simple and fast. The device not only facilitates the assembly of the three-phase asynchronous motor 1 on the small excavator, but also the operation is simple and fast.

[0045] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached hereto.

Claims

1. A three-phase asynchronous motor for a small excavator, characterized in that: Includes a three-phase asynchronous motor (1), on which symmetrically arranged supports (3) are mounted; It also includes a mounting base (2) installed on a mini excavator. The top of the mounting base (2) is equipped with a retaining strip (4) corresponding to the support (3). The retaining strip (4) is threaded with an internal hex bolt (5). The support (3) is installed on the retaining strip (4) through the internal hex bolt (5). The three-phase asynchronous motor (1) is installed on the mounting base (2) through the support (3), the retaining strip (4) and the internal hex bolt (5).

2. The three-phase asynchronous motor for a mini excavator according to claim 1, characterized in that: The support (3) includes a rectangular slot (301) at the bottom of the support (3); The card strip (4) includes a rectangular card plate (401) fixed on the fixing base (2) and corresponding to the rectangular card slot (301), and the rectangular card slot (301) is adapted to the rectangular card plate (401).

3. The three-phase asynchronous motor for a mini excavator according to claim 2, characterized in that: The rectangular card slot (301) has side card slots (302) on both the left and right sides; The rectangular card plate (401) has integrally formed side card plates (402) on its left and right sides, which are respectively corresponding to the side card slots (302), and the side card plates (402) are adapted to the side card slots (302).

4. The three-phase asynchronous motor for a mini excavator according to claim 2, characterized in that: The rectangular slot (301) has corner slots (303) at its upper two corners; The rectangular card plate (401) has an integrally formed corner card plate (403) at the upper two corners, which corresponds to the corner card slot (303) respectively, and the corner card plate (403) is adapted to the corner card slot (303).

5. The three-phase asynchronous motor for a mini excavator according to claim 2, characterized in that: A through hole (304) is provided at the top of one end of the rectangular slot (301); The rectangular plate (401) has a threaded hole (404) at one end of its top that is threaded to match the internal hexagon bolt (5). When in the installation state, the through hole (304) and the threaded hole (404) are vertically coaxial, and the internal hexagon bolt (5) is installed on the rectangular plate (401) by threading through the through hole (304) and the threaded hole (404).

6. The three-phase asynchronous motor for a mini excavator according to claim 1, characterized in that: A reinforcing rib (305) is installed on the support (3), and the cross-section of the reinforcing rib (305) is an isosceles trapezoid. Two sides of the reinforcing rib (305) are installed on the support (3), and one side of the reinforcing rib (305) is installed on the three-phase asynchronous motor (1).

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