Coal mine motor with anti-impact shell

By designing a protective mechanism on the motor used in coal mines and utilizing a multi-layer buffer structure to buffer impact forces, the sealing problem caused by shell deformation is solved, and the motor's protection and heat dissipation performance are improved.

CN223744506UActive Publication Date: 2025-12-30李科
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Patent Information

Application Number
CN202520107931.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-30
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

When existing coal mine motors are used underground, the casing is easily deformed by impacts from gravel or objects, affecting the sealing performance and causing internal damage.

Method used

A protective mechanism was designed, including a fixed end cap, a support cylinder, a buffer plate, and a shock-absorbing sleeve. The multi-layer buffer structure buffers the impact force, prevents the impact force from acting directly on the motor surface, and maintains the motor's heat dissipation function.

Benefits of technology

It effectively improves the motor's protection and safety, prevents casing deformation, and ensures the motor's normal operation and heat dissipation performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223744506U_ABST
    Figure CN223744506U_ABST
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Abstract

The utility model belongs to the technical field of motor protection, and particularly relates to a coal mine motor with an anti-impact shell, which comprises a motor body, the output end of the motor body is fixedly connected with a rotating shaft, the bottom of the motor body is fixedly provided with supporting legs, and the bottoms of the supporting legs are fixedly connected with a bottom plate. The outer side of the motor body is fixedly provided with a protection mechanism, and the protection mechanism comprises a fixed end cover. Through the arrangement of the anti-collision sleeve, the buffer plate, the first supporting plate and the second supporting plate, when the motor is impacted by an external object, the protective shell additionally arranged outside the motor has a triple anti-impact function, the impact force can be buffered step by step, the impact force is prevented from acting on the surface of the motor, and the service life of the motor is prolonged. The protection safety of the motor is effectively improved, and normal heat dissipation of the motor is not affected by the protection shell through the heat dissipation holes and gaps among the buffer plate, the first supporting plate and the second supporting plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor protection technical field more specifically, relate to a coal mine motor with anti -impact shell. BACKGROUND

[0002] Coal mine motor, especially mine motor, is the motor designed specially for coal mine underground environment, since coal mine underground environment is damp, has the danger of water, gas and coal dust explosion, and the mining machinery is mostly non -definite load, the motor needs to start frequently, point, block, overload etc.

[0003] At present, although the shell of the commonly used coal mine motor has the performance of resisting impact, when the motor is used in coal mine, it will still be impacted by stone pieces or other objects, resulting in deformation of the shell, which further affects the sealing of the motor shell, and serious deformation of the motor shell will cause damage to the internal motor and make it unable to use, therefore, the technical personnel in the field provides a coal mine motor with anti -impact shell to solve the above problems. SUMMARY

[0004] In order to make up for the deficiency of the prior art, the commonly used coal mine motor will be impacted by stone pieces or other objects during use, resulting in deformation of the shell, which further affects the sealing of the motor shell, and serious deformation of the motor shell will cause damage to the internal motor and make it unable to use, therefore, the utility model provides a coal mine motor with anti -impact shell.

[0005] The utility model solves the technical scheme that the technical problem adopts: a coal mine motor with anti -impact shell, including motor body, the output end of motor body is fixedly connected with rotating shaft, the bottom of motor body is fixedly installed with support leg, the bottom of support leg is fixedly connected with bottom plate, the outside of motor body is fixedly installed with protection mechanism;

[0006] The protection mechanism includes fixed end cover, the inner wall of fixed end cover is movably connected with one end surface of motor body, the center position of fixed end cover is opened with through -hole, one end of fixed end cover is fixedly connected with support cylinder, one end of support cylinder is fixedly connected with connecting head, one end of connecting head is connected with movable end cover through screw thread, the outside of support cylinder is movably connected with anti -collision sleeve, one end of anti -collision sleeve is fixedly connected with the inner wall of fixed end cover.

[0007] As preferred, one end of the support cylinder is fixedly connected with the first support plate of annular equidistance distribution, the other end of the support cylinder is fixedly connected with the second support plate of annular equidistance distribution, the surface of the first support plate and the second support plate is fixedly connected with the buffer plate.

[0008] Preferably, the first support plate, the second support plate and the buffer plate are all made of elastic metal plate, the top of the buffer plate is movably connected with the inner wall of the anti-collision sleeve, and the surface of the anti-collision sleeve is reserved with heat dissipation holes.

[0009] Preferably, the surface of the fixed end cover is provided with a connecting groove, the inner wall of the connecting groove is fixedly connected with a limiting plate, and the inner wall of the limiting plate is movably connected with the end surface of the motor body.

[0010] Preferably, the inner side surface of the movable end cover is movably connected with one end of the motor body, and the outer side surface of the movable end cover is fixedly connected with a nut.

[0011] Preferably, the inner wall of the support cylinder is provided with a through hole, and the inner wall of the through hole is slidably connected with the surface of the support leg.

[0012] Preferably, the surface of the connecting head is fixedly connected with a fastening sleeve, and the surface of the fastening sleeve is provided with external threads.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a protective shell that is installed on the motor, which comprises an anti-collision sleeve, a buffer plate, a first support plate and a second support plate. ACCURATE DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the protective mechanism sectional view of the utility model;

[0018] Figure 3 It is the support cylinder and buffer plate structure schematic view of the utility model;

[0019] Figure 4 It is the support cylinder and first support plate, second support plate installation structure schematic view of the utility model;

[0020] Figure 5 The fixed end cover structure of the utility model is shown in the schematic diagram.

[0021] In the figure: 1, motor body; 2, rotating shaft; 3, support leg; 4, bottom plate; 5, protection mechanism; 501, fixed end cover; 502, first support plate; 503, second support plate; 504, through hole; 505, buffer plate; 506, support cylinder; 507, connecting groove; 508, limiting plate; 509, center hole; 510, connecting head; 511, fastening sleeve; 512, movable end cover; 513, nut; 514, anti-collision sleeve; 515, heat dissipation hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The following will be combined with the drawings Figures 1-5 The present application will be further described in detail,

[0024] The embodiment of the present application discloses a coal mine motor with an anti-impact shell. Referring to Figures 1-4 A coal mine motor with an anti-impact shell, comprising a motor body 1, the motor body 1 is a coal mine motor, belongs to the prior art, the surface of the motor body 1 is provided with a support leg 3 connecting structure, which belongs to the commonly used structure familiar to those skilled in the art, the output end of the motor body 1 is fixedly connected with a rotating shaft 2, the bottom of the motor body 1 is fixedly installed with a support leg 3, the bottom of the support leg 3 is fixedly connected with a bottom plate 4, the outer side of the motor body 1 is fixedly installed with a protection mechanism 5, the protection mechanism 5 is used for protecting the coal mine motor, avoiding the falling of the falling stones and other objects on the surface of the coal mine motor;

[0025] The protection mechanism 5 comprises a fixed end cover 501 for fixing the position of the support cylinder 506, the inner wall of the fixed end cover 501 is movably connected with one end surface of the motor body 1, a center hole 509 is formed in the center position of the fixed end cover 501, the center hole 509 is convenient for the rotating shaft 2 to pass through, and is convenient for the protection mechanism 5 to be added to the existing motor, one end of the fixed end cover 501 is fixedly connected with the support cylinder 506, the support cylinder 506 can increase the support strength of the first support plate 502 and the second support plate 503, gaps are left between adjacent first support plates 502, gaps are left between adjacent second support plates 503, one end of the support cylinder 506 is fixedly connected with a connecting head 510, one end of the connecting head 510 is threadedly connected with a movable end cover 512, the movable end cover 512 can open one end of the protection mechanism 5, the outer side of the support cylinder 506 is movably connected with an anti-collision sleeve 514, the anti-collision sleeve 514 is made of impact-resistant buffer rubber, can perform first buffering on the impact force received by the protection mechanism 5, and one end of the anti-collision sleeve 514 is fixedly connected with the inner wall of the fixed end cover 501.

[0026] With reference to Figure 3 and Figure 4 , one end of the support cylinder 506 is fixedly connected with annular first support plates 502 distributed at equal intervals, the other end of the support cylinder 506 is fixedly connected with annular second support plates 503 distributed at equal intervals, the surfaces of the first support plates 502 and the second support plates 503 are fixedly connected with buffer plates 505, the buffer plates 505 can perform second buffering on the impact force received by the protection mechanism 5, and the first support plates 502 and the second support plates 503 can perform third buffering on the impact force received by the protection mechanism 5.

[0027] With reference to Figures 2-4 , the first support plates 502, the second support plates 503 and the buffer plates 505 are all made of elastic metal plates, gaps are left between adjacent buffer plates 505, the top of each buffer plate 505 is movably connected with the inner wall of the anti-collision sleeve 514, the surface of the anti-collision sleeve 514 is reserved with heat dissipation holes 515, the heat dissipation holes 515 are in communication with the gaps between the first support plates 502, the second support plates 503 and the buffer plates 505, and the internal motor housing can be conveniently and normally heat-dissipated.

[0028] With reference to Figure 5 , the surface of the fixed end cover 501 is provided with a connecting groove 507 for connecting one end of the first support plate 502 and limiting one end of the anti-collision sleeve 514, the inner wall of the connecting groove 507 is fixedly connected with a limiting plate 508, the inner wall of the limiting plate 508 is movably connected with the end surface of the motor body 1, and the limiting plate 508 can position one end of the protection mechanism 5 to avoid the protection mechanism 5 from moving up and down and being skewed.

[0029] With reference to Figure 1The inner side surface of the movable end cover 512 is movably connected with one end of the motor body 1, and the outer side surface of the movable end cover 512 is fixedly connected with the nut 513, so that the movable end cover 512 is convenient to disassemble by using a wrench, the one end opening of the protection mechanism 5 can be opened, and the existing motor is convenient to add the protection mechanism 5.

[0030] With reference to Figure 2 And Figure 4 The inner wall of the supporting cylinder 506 is provided with the through hole 504, the inner wall of the through hole 504 is slidably connected with the surface of the supporting leg 3, and the through hole 504 is convenient to connect the motor added in the protection mechanism 5 with the external supporting leg 3.

[0031] With reference to Figure 3 The surface of the connecting head 510 is fixedly connected with the fastening sleeve 511, the surface of the fastening sleeve 511 is provided with external threads, the connecting head 510 is used for fixing the position of one end of the second supporting plate 503 and the position of one end of the anti-collision sleeve 514, and the overall connection stability of the protection mechanism 5 is improved.

[0032] Working principle: first, the motor body 1 is installed in the protection mechanism 5 from the right end opening of the protection mechanism 5 to the left, then the supporting leg 3 is connected with the surface of the motor body 1 through the through hole 504, then the movable end cover 512 is screwed to the right with the fastening sleeve 511 in a clockwise direction, then when the external stone and other objects fall on the surface of the protection mechanism 5 during use, the anti-collision sleeve 514 performs the first buffering on the falling objects, when the impact force is large, the anti-collision sleeve 514 is severely deformed and extruded to buffer the plate 505, at this time, the buffer plate 505 performs the second buffering on the falling objects, then the buffer plate 505 extrudes the first supporting plate 502 and the second supporting plate 503 at both ends, respectively, the first supporting plate 502 and the second supporting plate 503 are deformed to perform the third buffering on the falling objects, so that the motor body 1 is not impacted.

[0033] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A coal mine electric machine having a shockproof housing, characterized in that: Including motor body (1), the output end of motor body (1) is fixedly connected with rotating shaft (2), the bottom of motor body (1) is fixedly installed with support leg (3), the bottom of support leg (3) is fixedly connected with bottom plate (4), the outside of motor body (1) is fixedly installed with protection mechanism (5); The protection mechanism (5) includes a fixed end cover (501), the inner wall of the fixed end cover (501) is movably connected with one end surface of the motor body (1), a center hole (509) is formed in the center position of the fixed end cover (501), a support cylinder (506) is fixedly connected to one end of the fixed end cover (501), a connecting head (510) is fixedly connected to one end of the support cylinder (506), a movable end cover (512) is threadedly connected to one end of the connecting head (510), an anti-collision sleeve (514) is movably connected to the outside of the support cylinder (506), and one end of the anti-collision sleeve (514) is fixedly connected with the inner wall of the fixed end cover (501).

2. A coal mine motor having an impact-proof housing according to claim 1, characterized in that: One end of the support cylinder (506) is fixedly connected with a first support plate (502) arranged in a ring shape and at equal intervals, the other end of the support cylinder (506) is fixedly connected with a second support plate (503) arranged in a ring shape and at equal intervals, and the surfaces of the first support plate (502) and the second support plate (503) are fixedly connected with a buffer plate (505).

3. A coal mine motor having an impact-proof housing according to claim 2, characterized in that: The first support plate (502), the second support plate (503) and the buffer plate (505) are all made of elastic metal plates, the top of the buffer plate (505) is movably connected with the inner wall of the anti-collision sleeve (514), and the surface of the anti-collision sleeve (514) is reserved with a heat dissipation hole (515).

4. A coal mine motor having an impact-proof housing according to claim 1, characterized in that: The surface of the fixed end cover (501) is provided with a connecting groove (507), the inner wall of the connecting groove (507) is fixedly connected with a limiting plate (508), and the inner wall of the limiting plate (508) is movably connected with the end surface of the motor body (1).

5. A coal mine motor having an impact-proof housing according to claim 1, characterized in that: The inner side surface of the movable end cover (512) is movably connected with one end of the motor body (1), and the outer side surface of the movable end cover (512) is fixedly connected with a nut (513).

6. A coal mine motor having an impact-proof housing according to claim 1, characterized in that: The inner wall of the support cylinder (506) is provided with a through hole (504), and the surface of the support leg (3) is slidably connected with the inner wall of the through hole (504).

7. A coal mine motor having an impact-proof housing according to claim 1, characterized in that: The surface of the connecting head (510) is fixedly connected with a fastening sleeve (511), and the surface of the fastening sleeve (511) is provided with external threads.