Motor end cover

Abstract

The utility model discloses a motor end cover, and relates to the technical field of motors. The cooling device comprises an end cover, a cooling fin, a main liquid cooling cavity channel, an auxiliary liquid cooling cavity channel and a stabilizing sleeve, a receding hole for a motor to penetrate through is reserved in the middle of the end cover, and the front end and the rear end of the receding hole are provided with an inner fixed sleeve and an outer movable sleeve for bearing installation respectively. According to the utility model, in consideration of the situation of heat accumulation after the motor works for a long time, the motor is helped to discharge the heat generated during the working process, and the bearing is fixed on the outer side surface of the inner fixed sleeve and the outer movable sleeve through screws. According to the device, the cooling liquid is circulated through the main liquid cooling cavity channel, the auxiliary liquid cooling cavity channel, the heat conducting plate and the connecting nozzles, and the connecting nozzles can be connected with an external circulating pump and a cooling box to form a liquid cooling structure, that is, the heat conducting plate is used for transferring heat and then the heat is taken away through the circulating cooling liquid; therefore, the temperature generated by working of the motor in the end cover is dissipated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of motor, concretely relates to a motor end cover. BACKGROUND

[0002] The motor end cover is a structural part connecting the rotor and the frame, which protects the inside of the motor on one hand and ensures the relative position of the stator and the rotor through the rolling bearing installed in the end cover on the other hand. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem of overcoming the defects of prior art and provides a motor end cover.

[0004] To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows:

[0005] A motor end cover, including end cover, fin, main liquid cooling cavity, auxiliary liquid cooling cavity and stabilizing sleeve, the middle part of the end cover is reserved for the motor to pass through the accommodation hole, the front and rear ends of the accommodation hole are respectively provided with the inner fixed sleeve and the outer movable sleeve for bearing installation, the outer side surface of the inner fixed sleeve and the outer movable sleeve is fixed with the limiting ring for limiting bearing through the screw;

[0006] The inner side of the end cover is fixed with a plurality of heat conduction plates at equal intervals, the auxiliary liquid cooling cavity is arranged in each heat conduction plate, the interiors of the plurality of auxiliary liquid cooling cavities are communicated with each other, the upper and lower ends of the end cover are respectively provided with the connecting mouth for injecting and discharging the cooling liquid, and the two connecting mouths, the auxiliary liquid cooling cavity and the main liquid cooling cavity form the liquid cooling channel for circulating the cooling liquid.

[0007] Optionally, the butt joint end of the end cover and the motor shell is provided with a screw hole for screwing in, and a non-slip washer is fixed at the screwing-in end of the screw hole and abuts against the screw end cap.

[0008] Optionally, the outer side wall of the end cover is fixedly provided with a leveling tool.

[0009] Optionally, the outer side middle part of the end cover is integrally formed with a mounting sleeve, recesses for mounting T-shaped rails are formed at the upper and lower ends of the mounting sleeve, sliding blocks matched with the outer profiles of the T-shaped rails are slidably connected to the outer sides of the two T-shaped rails, the outer side ends of the sliding blocks are fixedly connected with connecting rods, the connecting rods are fixedly connected with the side walls of the outer movable sleeve, and the middle parts of the two sliding blocks are threadedly connected with positioning bolts for abutting against the T-shaped rails.

[0010] Optionally, the middle part of the front and back sides of the end cover is provided with a hollow groove for installing the dustproof net, a sealing cover is arranged outside the two dustproof nets, and a sealing strip for abutting against the frame of the dustproof net is fixed to the back surface of the sealing cover.

[0011] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to simultaneously achieve all the advantages described below:

[0012] 1、The utility model considers that the motor will generate heat after working for a long time, in order to help the motor to exhaust the heat generated during work, the device plays a role of cooling liquid circulation on the cooling liquid through the main liquid cooling cavity, the auxiliary liquid cooling cavity, the heat conduction plate and the connecting mouth, the liquid cooling structure can be formed after the connecting mouth is connected with the external circulating pump and the cooling box, that is, the heat is taken away by the circulating cooling liquid after the heat is transferred by the heat conduction plate, so that the temperature generated by the motor working in the end cover is radiated;

[0013] 2、The utility model considers that the traditional end cover only has one position for installing the bearing, which leads to that when the motor output shaft is connected with the screw rod through the shaft coupling, only one stress point exists between the end cover and the output shaft, which is not stable enough, the device plays the role of the second stress point on the output shaft of the motor after the bearing is installed in the outer movable sleeve, so that the weight borne by the motor output bearing can be dispersed, and the use length of the outer movable sleeve can be adjusted according to the length of the motor output shaft, when adjusting, the positioning bolt is loosened, at this time, the outer movable sleeve is pulled out, the sliding block moves outside the sliding rail, and the positioning bolt is tightened after being stretched to the required length.

[0014] The specific embodiments of the utility model will be further described in detail in combination with the drawings. DRAWINGS

[0015] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0016] In the drawings:

[0017] Figure 1 It is a front view of the structure of the utility model;

[0018] Figure 2 It is a combined part structure diagram of the end shell, the sealing cover and the connecting mouth in the utility model;

[0019] Figure 3 It is a combined part structure diagram of the end shell, the dustproof net and the connecting mouth in the utility model;

[0020] Figure 4 The combined part structure diagram of the sealing cover and the sealing strip in the utility model;

[0021] Figure 5 The part structure schematic view of A part in Figure 1

[0022] Figure 6 The part structure schematic view of B part in Figure 1

[0023] Figure 7 The part structure schematic view of C part in Figure 1

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1, end cover; 2, inner fixing sleeve; 3, bearing; 4, outer movable sleeve; 5, heat conduction plate; 6, auxiliary liquid cooling cavity; 7, connecting nozzle; 8, main liquid cooling cavity; 9, anti-skid washer; 10, level gauge; 11, mounting sleeve; 12, T-shaped track; 13, sliding block; 14, connecting rod; 15, positioning bolt; 16, dust screen; 17, sealing cover; 18, sealing strip.

[0026] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings.

[0028] Please refer to Figures 1 to 7 The utility model provides a technical scheme: a motor end cover, including end cover 1, fin, main liquid cooling cavity 8, auxiliary liquid cooling cavity 6 and stabilizing sleeve, the middle part of end cover 1 is reserved for the motor to pass through the accommodation hole, and the front and rear ends of the accommodation hole are respectively equipped with the inner fixed sleeve 2 and the outer movable sleeve 4 for the installation of bearing 3, and the outer side surface of inner fixed sleeve 2 and outer movable sleeve 4 is all fixed with the limiting ring for limiting bearing 3 through screw;

[0029] ​​​The inner side of the end cover 1 is fixed with a plurality of heat-conducting plates 5, and an auxiliary liquid cooling cavity 6 is formed in each heat-conducting plate 5. The plurality of auxiliary liquid cooling cavities 6 are connected with each other. The upper and lower ends of the end cover 1 are respectively provided with a connecting nozzle 7 for injecting and discharging the cooling liquid. The two connecting nozzles 7, the auxiliary liquid cooling cavities 6 and the main liquid cooling cavity 8 form a liquid cooling channel for circulating the cooling liquid. In consideration of the heat accumulation of the motor after a long time of work, the device helps the motor to discharge the heat generated during work by the main liquid cooling cavity 8, the auxiliary liquid cooling cavity 6, the heat-conducting plate 5 and the connecting nozzle 7, which plays a role of circulating the cooling liquid. The liquid cooling structure is formed by connecting the connecting nozzle 7 with an external circulating pump and a cooling box, that is, the heat-conducting plate 5 transfers the heat, and the circulating cooling liquid carries away the heat, thereby dissipating the temperature generated by the motor working in the end cover 1.

[0030] The end cover 1 is provided with a screw hole for screwing in a screw at the abutting end of the motor shell. A non-slip washer 9 is fixed at the screwing end of the screw hole and abuts against the end cap of the screw. The non-slip washer 9 plays a role of preventing the screw for connecting the end cover 1 and the shell from slipping.

[0031] The outer side wall of the end cover 1 is fixedly provided with a level 10. The level 10 helps the workers to quickly know whether the end cover 1 is in a horizontal state during installation.

[0032] The outer side of the end cover 1 is integrally formed with a mounting sleeve 11. The mounting sleeve 11 is provided with grooves for mounting T-shaped rails 12 at the upper and lower ends. The outer sides of the two T-shaped rails 12 are slidably connected with sliding blocks 13 matched with the outer profiles of the T-shaped rails 12. The outer side ends of each sliding block 13 are fixed with a connecting rod 14. The two connecting rods 14 are fixed with the side walls of the outer movable sleeve 4. The middle parts of the two sliding blocks 13 are threadedly connected with positioning pins 15 for abutting against the T-shaped rails 12. In consideration of the fact that the traditional end cover 1 has only one position for mounting the bearing 3, which results in only one stress point between the end cover 1 and the output shaft when the output shaft of the motor is connected with the screw rod through the coupling, the device plays a role of a second stress point for the output shaft of the motor after the bearing 3 is mounted in the outer movable sleeve 4, thereby dispersing the weight of the bearing 3 of the motor output shaft. The length of the outer movable sleeve 4 can be adjusted according to the length of the motor output shaft. The positioning pin 15 is loosened, the outer movable sleeve 4 is pulled out, the sliding block 13 moves in the sliding rail, the positioning pin 15 is tightened after the outer movable sleeve 4 is stretched to the required length.

[0033] The middle part of the front and back sides of the end cover 1 is provided with an empty slot for installing the dust screen 16, the outer part of the two dust screens 16 is covered with a sealing cover 17, the back surface of the sealing cover 17 is fixed with a sealing strip 18 for abutting against the frame of the dust screen 16, and the sealing cover 17 is fixed with the end cover 1 through screws; when the device needs to be cooled, the sealing cover 17 can be directly disassembled by loosening the bolts, so that the dust screen 16 is exposed; after the dust screen 16 is exposed, the air outside can directly enter the inside of the motor, so that the accumulated heat in the motor is taken away through air circulation.

[0034] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, any identical or similar technical scheme with the utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure part is the known technology.

Claims

1. A motor end cover, comprising an end cover (1), heat sinks, a main liquid cooling channel (8), and an auxiliary liquid cooling channel (6), characterized in that, The end cap (1) has a clearance hole for the motor to pass through in the middle. The front and rear ends of the clearance hole are respectively provided with an inner fixed sleeve (2) and an outer movable sleeve (4) for the installation of the bearing (3). The outer surfaces of the inner fixed sleeve (2) and the outer movable sleeve (4) are fixed with a limiting ring for limiting the bearing (3) by screws. Multiple heat-conducting plates (5) are fixed at equal intervals on the inner side of the end cap (1). Each heat-conducting plate (5) has an auxiliary liquid cooling channel (6) inside. The multiple auxiliary liquid cooling channels (6) are interconnected. The upper and lower ends of the end cap (1) are respectively equipped with connecting nozzles (7) for injecting and discharging coolant. The two connecting nozzles (7), the auxiliary liquid cooling channels (6) and the main liquid cooling channel (8) form a liquid cooling channel for coolant circulation.

2. The motor end cover according to claim 1, characterized in that, The end cap (1) has a screw hole at the mating end with the motor housing for screws to be screwed in, and an anti-slip washer (9) is fixed at the screwing end of the screw hole to abut against the screw cap.

3. A motor end cover according to claim 1, characterized in that, A level (10) is fixedly installed on the outer wall of the end cap (1).

4. A motor end cover according to claim 1, characterized in that, An installation sleeve (11) is integrally formed on the outer middle part of the end cap (1). Grooves for installing T-shaped rails (12) are provided at the upper and lower ends of the installation sleeve (11). Slider blocks (13) that are adapted to the outer contour of the T-shaped rails (12) are slidably connected to the outside of the two T-shaped rails (12). The outer end of each slider (13) is fixed to the connecting rod (14). The two connecting rods (14) are respectively fixed to the side wall of the outer movable sleeve (4). The middle part of the two sliders (13) is threaded with a positioning bolt (15) for abutting against the T-shaped rails (12).

5. A motor end cover according to claim 1, characterized in that, The end cap (1) has slots for installing dustproof nets (16) in the middle of both the front and rear sides. A sealing cover (17) is provided on the outside of the two dustproof nets (16), and a sealing strip (18) for abutting the edge of the dustproof net (16) is fixed on the back surface of the sealing cover (17). The sealing cover (17) is fixed to the end cap (1) by screws.

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