CN111697738A

CN111697738A - Direct current motor protective equipment

Info

Publication number: CN111697738A
Application number: CN202010473925.3A
Authority: CN
Inventors: 张颖; 严磊; 严学刚
Original assignee: Nanjing Yaye Protective Equipment Manufacturing Co ltd
Current assignee: Nanjing Yaye Protective Equipment Manufacturing Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-09-22

Abstract

The invention discloses direct current motor protection equipment which comprises a base, wherein threaded supporting rods are arranged on two sides of the top of the base, an installation plate is fixedly installed at the top of each threaded supporting rod, a spring is sleeved on the surface of each threaded supporting rod, a protection shell is fixedly installed at the top of the installation plate, a top cover is hinged to the top of the protection shell through a hinge, an exhaust pipe is communicated with the bottom of the right side of the protection shell, and an air supply pipe is communicated with the right side of the top. The base is arranged for fixing the whole body, the threaded support rod is arranged for fixing the protective shell and conveniently adjusting the height of the protective shell, so that the mounting requirement of the direct current motor body is met, the direct current motor body is conveniently mounted inside the protective shell by arranging the top cover, the protective shell is conveniently maintained and replaced, and the problem that the service life of the motor is influenced due to the fact that the existing motor is damaged by external uncertain factors when in use is solved.

Description

Direct current motor protective equipment

Technical Field

The invention relates to the technical field of direct current motors, in particular to direct current motor protection equipment.

Background

The direct current motor is a motor which converts direct current electric energy into mechanical energy and is widely applied to electric dragging due to good speed regulation performance, the direct current motor is divided into 3 types of permanent magnet, independent excitation and self excitation according to an excitation mode, wherein the self excitation is divided into 3 types of parallel excitation, series excitation and compound excitation, when a direct current power supply supplies power to an armature winding through an electric brush, a lower conductor of an N pole on the surface of an armature can flow current in the same direction, and the conductor is subjected to the action of moment in the counterclockwise direction according to the left-hand rule; the current of the same direction also flows in armature surface S utmost point lower part conductor, will receive anticlockwise moment effect according to left-hand rule conductor equally too, like this, whole armature winding rotor will be according to anticlockwise rotation promptly, and the direct current electric energy of input just converts the mechanical energy of output on the rotor shaft into, comprises stator and rotor, and the stator: base, main magnetic pole, commutating pole, brush device, etc., rotor: armature core, armature winding, commutator, rotating shaft and fan.

When the existing direct current motor is used, the motor is damaged due to external uncertain factors, and external dust enters the motor to damage the motor, so that the service life of the motor is influenced.

Disclosure of Invention

The invention aims to provide direct current motor protection equipment which has the advantage of preventing a motor from being damaged by external uncertain factors and solves the problem that the service life of the motor is influenced by the damage of the external uncertain factors when the existing motor is used.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a direct current motor protective equipment, includes the base, the both sides at base top all are provided with the screw thread bracing piece, the top fixed mounting of screw thread bracing piece has the mounting panel, the surface cover of screw thread bracing piece is equipped with the spring, the top fixed mounting of mounting panel has the protective housing, there is the top cap at the top of protective housing through hinge joint, the bottom intercommunication on protective housing right side has the blast pipe, the right side intercommunication at top cap top has the air supply pipe, the top of air supply pipe is provided with the shell, the inside fixed mounting of protective housing has the direct current motor body, the output shaft of direct current motor body runs through the protective housing and extends to the left.

Preferably, the threaded support rod is provided with a groove inside, the threaded support rod penetrates through the base through the through groove and extends to the inside of the groove, the surface of the threaded support rod and the position above the base are rotatably connected with a first nut, and the surface of the threaded support rod and the position inside the groove are rotatably connected with a second nut.

Preferably, the inside of shell and the surface of air supply pipe all seted up the screw thread, be connected through the screw thread rotation between shell and the air supply pipe, the inside fixed mounting of shell has two-layer filter screen.

Preferably, the inside of air supply pipe has the heat dissipation motor through installation pole fixed mounting, the output shaft of heat dissipation motor runs through the installation pole and extends to the top of installation pole, the fixed surface of heat dissipation motor output shaft installs the flabellum.

Preferably, the output shaft of the direct current motor body is rotatably connected with the protective shell through a bearing, and the direct current motor body is fixedly connected with the protective shell through a screw.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can fix the whole by arranging the base, fix the protective shell by arranging the threaded support rod, conveniently adjust the height of the protective shell, thereby meeting the installation requirement of the direct current motor body, conveniently install the direct current motor body into the protective shell by arranging the top cover, conveniently maintain and replace the protective shell, conveniently install the threaded support rod and the protective shell by arranging the mounting plate, thereby reducing the pressure of the threaded support rod on the protective shell, realize that the external air is sent to the inside of the protective shell by arranging the matching between the shell and the air supply pipe to cool the direct current motor body, discharge the air and heat in the protective shell by arranging the exhaust pipe, protect the direct current motor body by arranging the protective shell, prevent the direct current motor body from being damaged by external uncertain factors, meanwhile, the problem that the service life of the motor is influenced by damage of external uncertain factors when the existing motor is used is solved.

2. The invention realizes the adjustment of the height of the threaded support rod through the matching between the first nut and the second nut, thereby adjusting the height of the protective shell, thereby meeting the installation requirement of the direct current motor body, preventing the first nut from loosening caused by vibration when the whole machine works, the second nut and the threaded support rod are prevented from loosening by the acting force between the first nut and the base, the filter screen is arranged for filtering external dust, thereby preventing dust from entering the protective shell to damage the DC motor body, generating negative pressure by the cooperation between the heat dissipation motor and the fan blades to send outside air to the protective shell to cool the DC motor body, the output end of the direct current motor body is convenient to fix and rotate through the bearing, and the direct current motor body is convenient to replace through the screw.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the base of the present invention;

FIG. 3 is a schematic cross-sectional view of the protective case of the present invention;

FIG. 4 is a schematic cross-sectional view of the housing and gas supply pipe of the present invention.

In the figure: 1. a base; 2. a first nut; 3. a threaded support rod; 4. a spring; 5. mounting a plate; 6. a protective shell; 7. a top cover; 8. a housing; 9. an exhaust pipe; 10. a groove; 11. a second nut; 12. a DC motor body; 13. a gas supply pipe; 14. a heat dissipation motor; 15. a fan blade; 16. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a direct current motor protection device includes a base 1, wherein threaded support rods 3 are respectively disposed on two sides of the top of the base 1, a mounting plate 5 is fixedly mounted on the top of the threaded support rods 3, a spring 4 is sleeved on the surface of each threaded support rod 3, a protective shell 6 is fixedly mounted on the top of each mounting plate 5, a top cover 7 is hinged on the top of each protective shell 6 through a hinge, an exhaust pipe 9 is communicated with the bottom of the right side of each protective shell 6, an air supply pipe 13 is communicated with the right side of the top of each top cover 7, a housing 8 is disposed on the top of each air supply pipe 13, a direct current motor body 12 is fixedly mounted inside each protective shell 6, an output shaft of each direct current motor body 12 penetrates through each protective shell 6 and extends to the left side of each protective shell 6, the base 1 is used for fixing the whole, thereby satisfying the installation requirement of the direct current motor body 12, the direct current motor body 12 is conveniently installed inside the protective shell 6 by arranging the top cover 7, meanwhile, the protective shell 6 is conveniently maintained and replaced, the mounting plate 5 is arranged for installing the thread support rod 3 and the protective shell 6, thereby reducing the pressure generated by the thread support rod 3 on the protective shell 6, the external air is sent to the inside of the protective shell 6 to cool the direct current motor body 12 by arranging the matching between the shell 8 and the air supply pipe 13, the air and heat inside the protective shell 6 are discharged by arranging the exhaust pipe 9, the direct current motor body 12 is protected by arranging the protective shell 6, the direct current motor body 12 is prevented from being damaged due to external uncertain factors, the groove 10 is arranged inside the thread support rod 3, the thread support rod 3 penetrates through the base 1 through the groove and extends to the inside of the groove 10, the surface of the threaded support rod 3 is rotatably connected with a first nut 2 above the base 1, the surface of the threaded support rod 3 is rotatably connected with a second nut 11 inside the groove 10, the height of the threaded support rod 3 is adjusted through the cooperation between the first nut 2 and the second nut 11, so that the height of the protective shell 6 is adjusted, and the installation requirement of the direct current motor body 12 is met, the spring 4 is arranged to prevent the first nut 2 from loosening caused by vibration when the whole works, the second nut 11 and the threaded support rod 3 are prevented from loosening through the acting force between the first nut 2 and the base 1, the inside of the shell 8 and the surface of the air supply pipe 13 are both provided with threads, the shell 8 is rotatably connected with the air supply pipe 13 through the threads, two layers of filter screens 16 are fixedly arranged inside the shell 8, and the filter screens 16 are arranged to filter external dust, thereby prevent that the inside of dust entering protective housing 6 from causing the damage to DC motor body 12, there is heat dissipation motor 14 inside of air supply pipe 13 through installation pole fixed mounting, the output shaft of heat dissipation motor 14 runs through the installation pole and extends to the top of installation pole, the fixed surface of the output shaft of heat dissipation motor 14 installs flabellum 15, thereby produce the inside of negative pressure through the cooperation between heat dissipation motor 14 and the flabellum 15 and send outside air to protective housing 6 and cool down to DC motor body 12, rotate through the bearing between the output shaft of DC motor body 12 and the protective housing 6 and be connected, through screw fixed connection between DC motor body 12 and the protective housing 6, make things convenient for its rotation when making things convenient for DC motor body 12 output end fixed through setting up the bearing, convenient change to DC motor body 12 through setting up the screw.

During the use, open top cap 7 through the hinge, place the DC motor body 12 of treating the installation in the inside of protective housing 6, it is fixed with protective housing 6 with DC motor body 12 through the screw, it is closed with top cap 7 and protective housing 6, install the top of shell 8 to air supply pipe 13 through the screw, carry to required position with whole, the mounting height according to DC motor body 12 is through not hard up first nut 2, thereby make protective housing 6 descend, after the altitude mixture control finishes, fix threaded support rod 3 and base 1 through second nut 11, during the use, open heat dissipation motor 14, make outside air send to the inside of protective housing 6 and cool down DC motor body 12 under the cooperation of heat dissipation motor 14 and flabellum 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current motor protective equipment, includes base (1), its characterized in that: the utility model discloses a motor, including base (1), screw thread bracing piece (3), mounting panel (5) are all provided with to the both sides at base (1) top, the top fixed mounting of screw thread bracing piece (3) has mounting panel (5), the surface cover of screw thread bracing piece (3) is equipped with spring (4), the top fixed mounting of mounting panel (5) has protective housing (6), there is top cap (7) at the top of protective housing (6) through hinge joint, the bottom intercommunication on protective housing (6) right side has blast pipe (9), the right side intercommunication at top cap (7) top has air supply pipe (13), the top of air supply pipe (13) is provided with shell (8), the inside fixed mounting of protective housing (6) has direct current motor body (12), the output shaft of direct current motor body (12) runs through protective housing (6) and extends to.

2. A dc motor protector apparatus as set forth in claim 1, wherein: the novel thread support is characterized in that a groove (10) is formed in the interior of the thread support rod (3), the thread support rod (3) penetrates through the base (1) through the groove and extends to the interior of the groove (10), a first nut (2) is rotatably connected to the surface of the thread support rod (3) and the upper portion of the base (1), and a second nut (11) is rotatably connected to the surface of the thread support rod (3) and the interior of the groove (10).

3. A dc motor protector apparatus as set forth in claim 1, wherein: the inside of shell (8) and the surface of air supply pipe (13) all set up screw thread, rotate through the screw thread between shell (8) and the air supply pipe (13) and be connected, the inside fixed mounting of shell (8) has two-layer filter screen (16).

4. A dc motor protector apparatus as set forth in claim 1, wherein: the inside of air supply pipe (13) has heat dissipation motor (14) through installation pole fixed mounting, the output shaft of heat dissipation motor (14) runs through the installation pole and extends to the top of installation pole, the fixed surface of heat dissipation motor (14) output shaft installs flabellum (15).

5. A dc motor protector apparatus as set forth in claim 1, wherein: the output shaft of the direct current motor body (12) is rotatably connected with the protective shell (6) through a bearing, and the direct current motor body (12) is fixedly connected with the protective shell (6) through screws.