CN220173056U

CN220173056U - Motor with automatic alarm function

Info

Publication number: CN220173056U
Application number: CN202321555840.5U
Authority: CN
Inventors: 于金楷; 高光跃; 李建辉; 程忠辉; 王洪松; 闵广鑫; 王德平; 盛夏平; 谭成恩; 奚萌
Original assignee: Liaoning Branch Of Datang International Power Generation Co ltd; Liaoning Datang International Shendong Thermoelectricity Co ltd
Current assignee: Liaoning Branch Of Datang International Power Generation Co ltd; Liaoning Datang International Shendong Thermoelectricity Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-12
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to a motor with an automatic alarm function, in particular to the technical field of motors, which comprises a motor body, wherein a protective cover is arranged on the outer side of the motor body and used for protecting the motor body, a detection component is arranged on one side of the protective cover and used for detecting opening and closing of the protective cover, the detection component comprises a support, a base plate is fixedly arranged on one side of the support, a limit switch is arranged at the top of the base plate, balls on the limit switch are in contact with the outer wall of the protective cover, inserting blocks are fixedly arranged on two sides of the bottom of the limit switch, and slots are formed in two sides of the top of the base plate. According to the utility model, the limit switch is arranged on the support, so that a worker can conveniently check whether the protective cover on the motor body is opened or closed remotely by using the limit switch, the protective cover is used as a starting permission condition of the motor body in situ, and the worker can start the motor body remotely and in situ only when the protective cover is in situ, so that the safety of the motor body in use is improved.

Description

Motor with automatic alarm function

Technical Field

The utility model relates to the technical field of motors, in particular to a motor with an automatic alarm function.

Background

The vibrating motor is used as one of motors, is used as a vibrating source of vibrating equipment, has a compact structure, is simple and convenient to mount and dismount, and is more and more applied to the vibrating equipment. When the vibrating motor is used, in order to facilitate overhauling the inside, a protective cover which can be opened is usually arranged on the shell, and when overhauling is needed, the protective cover is opened.

Through market research, various faults can exist after the vibration motor runs for a long time, and once the vibration motor breaks down, workers cannot know in time, so that the normal running of the vibration motor is affected. Therefore, the prior art publication No. CN218733725U discloses a vibrating motor with an automatic alarm function, and the vibrating motor is detected in real time through a temperature detection assembly, a noise monitoring assembly and a current monitoring structure, so that the normal operation of the vibrating motor is ensured.

However, the above prior art has the following problems when in use: the vibrating motor is sealed through the protection casing, when the protection casing is opened to the maintainer when overhauling the vibrating motor inside, remote operation personnel can not learn, can remote control vibrating motor start, causes the damage to the maintainer.

Disclosure of Invention

The utility model aims to provide a motor with an automatic alarm function, and by installing a limit switch on a support, a worker can conveniently check whether a protective cover on the motor body is opened or closed remotely by using the limit switch, the protective cover is used as a starting permission condition of the motor body in situ, and the worker can start the motor body remotely and in situ only when the protective cover is in situ, so that the safety of the motor body in use is improved, and the problems in the background technology are solved.

The technical scheme for realizing the purpose of the utility model is as follows: the utility model provides a motor with automatic alarm function, has the motor body, the motor body outside is equipped with the protection casing for the protection motor body, protection casing one side is equipped with detection component, is used for detecting the protection casing and opens and shuts, detection component includes the support, support one side is fixed to be equipped with the backing plate, the backing plate top is equipped with limit switch, ball and the protection casing outer wall contact on the limit switch, limit switch bottom both sides are all fixed to be equipped with the inserted block, slot has all been seted up to backing plate top both sides, and two inserted blocks insert respectively establish in two slots, backing plate one side runs through and is equipped with the bull stick, the bull stick is connected with two threaded rods through coupling assembling, and equal threaded connection has the screw thread piece on two threaded rods, and the draw-in groove has all been seted up to two inserted blocks each other near one side, and two screw thread pieces are established respectively in two draw-in grooves.

The front side of the bracket is provided with a control component which is electrically connected with the limit switch.

In a preferred embodiment, the control assembly comprises a local control box, a PLC control module is installed inside the local control box, the limit switch is electrically connected with the PLC control module through an electric wire and is connected with the input end of the PLC control module, the limit switch is further connected with the input end of a DCS system control module at a remote end, the PLC control module and the DCS system control module are connected with an audible-visual alarm in a centralized control room, the audible-visual alarm is connected with the output ends of the PLC control module and the DCS system control module, and whether the protective cover is opened or closed is conveniently checked by using the limit switch.

In a preferred embodiment, a threading hole is formed in one side, close to the bracket, of the in-situ control box, and the threading hole is used for connecting wires.

In a preferred embodiment, the connecting assembly comprises a first bevel gear and two second bevel gears which are meshed, wherein the first bevel gear is fixedly sleeved on the outer wall of the rotating rod, the two second bevel gears are fixedly sleeved on the outer walls of the two threaded rods respectively, and the rotating rod is used for driving the threaded rods to rotate.

In a preferred embodiment, the backing plate is internally provided with a mounting cavity, the first bevel gear and the two second bevel gears are both arranged in the mounting cavity, and the rear end of the rotating rod is connected with the inner wall of the mounting cavity through a bearing and is used for improving the stability of the rotating rod during rotation.

In a preferred embodiment, the front side and the rear side of the installation cavity are respectively provided with a movable groove, and the two movable grooves are respectively communicated with the two slots and are used for guiding the threaded block.

In a preferred embodiment, the front end of the rotating rod is fixedly provided with a rotating disc, a screw is connected with the rotating disc in an internal thread mode, a threaded hole is formed in one side, far away from the protective cover, of the base plate, and the screw is connected with the threaded hole in a threaded mode and used for fixing the position of the rotating disc.

In a preferred embodiment, a semicircular pipe is hinged to one side, close to the protective cover, of the support, and one end of the electric wire sequentially penetrates through the semicircular pipe and the threading hole and is connected with the PLC control module, so that limit protection is conducted on the electric wire.

In a preferred embodiment, a door plate is hinged to one side, away from the motor body, of the on-site control box, and the door plate is locked with the on-site control box through a cylinder lock, so that the anti-theft performance of the on-site control box is improved.

In a preferred embodiment, a bottom plate is fixedly arranged at the bottom of the bracket, and four screws are connected to the bottom plate in a threaded manner and used for installing the bracket.

After the technical scheme is adopted, the utility model has the following positive effects:

(1) According to the utility model, the limit switch is arranged on the support, so that a worker can conveniently check whether the protective cover on the motor body is opened or closed remotely by using the limit switch, the protective cover is used as a starting permission condition of the motor body in situ, and the worker can start the motor body remotely and in situ only when the protective cover is in situ, so that the safety of the motor body in use is improved.

(2) Through setting up two inserts in limit switch bottom, utilize the insert to peg graft with the slot and install limit switch, then rotate the carousel and drive the bull stick rotation, first bevel gear on the bull stick drives two threaded rods and rotate simultaneously through two second bevel gears, in the draw-in groove on two inserts was inserted respectively to the screw thread piece on two threaded rods, firmly fix the insert to firmly fix limit switch, simple structure is convenient for install and dismantle limit switch, uses semicircle pipe to protect the electric wire, prevents that the electric wire from rocking the normal use that influences limit switch.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a rear view of the in-situ control box and bracket of the present utility model;

FIG. 3 is a bottom view of the pallet of the present utility model;

FIG. 4 is a cross-sectional view of a shim plate of the present utility model;

FIG. 5 is a schematic view of an opening of a door panel according to the present utility model;

fig. 6 is a system diagram of the present utility model.

The reference numerals are: 1. a motor body; 2. a protective cover; 3. a detection assembly; 4. a connection assembly; 5. a control assembly; 6. a mounting cavity; 7. a moving groove; 8. a turntable; 9. a screw; 10. a semicircular tube; 11. a bottom plate;

301. a bracket; 302. a backing plate; 303. a limit switch; 304. inserting blocks; 305. a slot; 306. a rotating rod; 307. a threaded rod; 308. a screw block; 309. a clamping groove;

401. a first bevel gear; 402. a second bevel gear;

501. an in situ control box; 502. a PLC control module; 503. a DCS system control module; 504. an electric wire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5 of the specification, the utility model provides a motor with an automatic alarm function, which is provided with a motor body 1, wherein a protective cover 2 is arranged on the outer side of the motor body 1 and used for protecting the motor body 1, a detection component 3 is arranged on one side of the protective cover 2 and used for detecting the opening and closing of the protective cover 2, the detection component 3 comprises a support 301, a base plate 302 is fixedly arranged on one side of the support 301, a limit switch 303 is arranged at the top of the base plate 302, balls on the limit switch 303 are in contact with the outer wall of the protective cover 2, and specifically, the limit switch 303 makes a contact act by utilizing the collision of a production mechanical moving part so as to realize the connection or disconnection of a control circuit and achieve the control purpose;

the front side of the bracket 301 is provided with a control component 5 electrically connected with a limit switch 303;

the control assembly 5 comprises an on-site control box 501, a PLC control module 502 is installed in the on-site control box 501, the PLC control module 502 is a digital electronic device with a microprocessor, the digital logic controller is used for automatic control, control instructions can be stored and executed in a memory at any time, the limit switch 303 is electrically connected with the PLC control module 502 through an electric wire 504, the limit switch 303 is connected with the input end of the PLC control module 502, the limit switch 303 is also connected with the input end of a DCS system control module 503 at a remote end, the PLC control module 502 and the DCS system control module 503 are both connected with an acousto-optic alarm in a centralized control room, the acousto-optic alarm is connected with the output ends of the PLC control module 502 and the DCS system control module 503, and the DCS system control module 503 is a new-generation instrument control system which takes the microprocessor as a basis and adopts the design principles of control function dispersion, display operation concentration, division and autonomy and comprehensive coordination into consideration;

and the on-site control case 501 is close to support 301 one side and has seted up the through wires hole for the connection of electric wire 504, on-site control case 501 keeps away from motor body 1 one side and articulates there is the door plant, through the cylinder lock joint between door plant and the on-site control case 501, improve the theftproof nature of on-site control case 501, the fixed bottom plate 11 that is equipped with in support 301 bottom, threaded connection has four screws on the bottom plate 11 for installing support 301.

By installing the limit switch 303 on the support 301, when the protective cover 2 on the motor body 1 is in the original position, the ball on the connecting rod of the limit switch 303 is propped against by the protective cover 2, so that the limit switch 303 is in the contact overturning action position, and the normally open contact of the limit switch 303 is triggered, so as to send out a signal that the protective cover 2 of the motor body 1 is in the original position. When the protective cover 2 is opened for maintenance or turning and other operations, the connecting rod of the limit switch 303 is restored to the original position under the action of the self spring, the contact of the limit switch 303 is restored, the normally closed contact of the limit switch 303 is triggered, a signal of opening the protective cover 2 of the motor body 1 is sent, the signal of opening the protective cover 2 of the motor body 1 in the original position is transmitted to the PLC control module 502 in the local control box 501, the DCS control module 503 is remotely transmitted, logic judgment is carried out, the signal of opening the protective cover 2 of the motor body 1 in the original position is used as a starting permission condition of the motor body 1, and when the signal is triggered, the motor body 1 can be started in a remote place and a local place;

the signal of opening the protective cover 2 of the motor body 1 is transmitted to a PLC control module 502 in a local control box 501, and is remotely transmitted to a DCS control module 503, logic judgment is carried out, the signal of opening the protective cover 2 of the motor body 1 is used as an emergency shutdown condition of the motor body 1, and when the signal is triggered, the motor is in emergency shutdown and is prohibited from being started in local and remote places;

and dispose the audible and visual alarm signal of "the 1 protection casing 2 of the motor body" and "the 1 protection casing 2 of the motor is opened" in the centralized control room, when the above-mentioned arbitrary signal triggers, send the alarm of the light word and audible alarm, prompt the operator the actual position of the 1 protection casing 2 of the motor and motor running situation, avoid the operator to start the motor by mistake and cause the maintainer to receive accidents such as injury, simple in construction, it is very convenient to use.

Example 2

Referring to fig. 1-5 of the specification, the utility model provides a motor with an automatic alarm function, two sides of the bottom of a limit switch 303 are fixedly provided with inserting blocks 304, two sides of the top of a base plate 302 are provided with inserting grooves 305, two inserting blocks 304 are respectively inserted into the two inserting grooves 305, one side of the base plate 302 is provided with a rotating rod 306 in a penetrating way, the rotating rod 306 is connected with two threaded rods 307 through a connecting component 4, the two threaded rods 307 are connected with threaded blocks 308 in a threaded way, one side, close to each other, of the two inserting blocks 304 is provided with clamping grooves 309, and the two threaded blocks 308 are respectively arranged in the two clamping grooves 309;

the inside of the backing plate 302 is provided with an installation cavity 6, the first bevel gear 401 and the two second bevel gears 402 are both arranged in the installation cavity 6, the rear end of the rotating rod 306 is connected with the inner wall of the installation cavity 6 through a bearing for improving the stability of the rotating rod 306 during rotation, the front side and the rear side of the installation cavity 6 are both provided with moving grooves 7, the two moving grooves 7 are respectively communicated with the two slots 305 and used for guiding the threaded block 308, and the front end of the rotating rod 306 is fixedly provided with a rotary disc 8;

and carousel 8 female connection has screw 9, the backing plate 302 is kept away from protection casing 2 one side and is offered the screw hole, screw 9 and screw hole threaded connection for the position of fixed carousel 8, support 301 is close to protection casing 2 one side and articulates there is semicircle pipe 10, and electric wire 504 one end runs through semicircle pipe 10 and through wires hole in proper order and is connected with PLC control module 502, is used for carrying out spacing protection to electric wire 504.

Through setting up two inserts 304 in limit switch 303 bottom, when installing limit switch 303, the installer is first with two inserts 304 of limit switch 303 bottom aimed at two slots 305 and inserts, then the carousel 8 is rotated and is driven the bull stick 306 rotation, first bevel gear 401 on the bull stick 306 passes through two second bevel gears 402 and drives two threaded rods 307 and rotate simultaneously, threaded block 308 on two threaded rods 307 inserts respectively in the draw-in groove 309 on two inserts 304, firmly fix insert 304, thereby firmly fix limit switch 303, the simple structure is convenient for install and detach limit switch 303, use semicircle pipe 10 to protect electric wire 504, prevent electric wire 504 from rocking and influencing the normal use of limit switch 303.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. An electric motor with automatic alarm function, which is provided with a motor body (1); the method is characterized in that: the motor is characterized in that a protective cover (2) is arranged on the outer side of the motor body (1) and used for protecting the motor body (1), and a detection component (3) is arranged on one side of the protective cover (2) and used for detecting the opening and closing of the protective cover (2);

the detection assembly (3) comprises a support (301), a base plate (302) is fixedly arranged on one side of the support (301), a limit switch (303) is arranged at the top of the base plate (302), balls on the limit switch (303) are in contact with the outer wall of the protective cover (2), inserting blocks (304) are fixedly arranged on two sides of the bottom of the limit switch (303), inserting grooves (305) are formed in two sides of the top of the base plate (302), and the two inserting blocks (304) are respectively inserted into the two inserting grooves (305);

a rotating rod (306) penetrates through one side of the base plate (302), the rotating rod (306) is connected with two threaded rods (307) through a connecting component (4), threaded blocks (308) are connected to the two threaded rods (307) in a threaded mode, clamping grooves (309) are formed in the sides, close to each other, of the two inserting blocks (304), and the two threaded blocks (308) are respectively arranged in the two clamping grooves (309);

the front side of the bracket (301) is provided with a control component (5) electrically connected with a limit switch (303).

2. A motor with automatic alarm function according to claim 1, characterized in that: the control assembly (5) comprises an on-site control box (501), a PLC control module (502) is installed inside the on-site control box (501), the limit switch (303) is electrically connected with the PLC control module (502) through a wire (504), the limit switch (303) is connected to the input end of the PLC control module (502), and the limit switch (303) is also connected to the input end of a DCS control module (503) at a remote end;

the PLC control module (502) and the DCS control module (503) are connected with the audible and visual alarm in the centralized control room, and the audible and visual alarm is connected with the output ends of the PLC control module (502) and the DCS control module (503).

3. A motor with automatic alarm function according to claim 2, characterized in that: and one side of the local control box (501) close to the bracket (301) is provided with a threading hole for connecting the electric wires (504).

4. A motor with automatic alarm function according to claim 1, characterized in that: the connecting assembly (4) comprises a first bevel gear (401) and two second bevel gears (402) which are meshed, the first bevel gear (401) is fixedly sleeved on the outer wall of the rotating rod (306), the two second bevel gears (402) are respectively fixedly sleeved on the outer walls of the two threaded rods (307), and the rotating rod (306) is used for driving the threaded rods (307) to rotate.

5. The motor with an automatic alarm function according to claim 4, wherein: the base plate (302) is internally provided with a mounting cavity (6), the first bevel gear (401) and the two second bevel gears (402) are both arranged in the mounting cavity (6), and the rear end of the rotating rod (306) is connected with the inner wall of the mounting cavity (6) through a bearing.

6. A motor with automatic alarm function according to claim 5, characterized in that: the two sides around installation cavity (6) have all been seted up and have been removed groove (7), and two remove groove (7) are linked together with two slot (305) respectively for lead screw thread piece (308).

7. A motor with automatic alarm function according to claim 1, characterized in that: the rotary table (8) is fixedly arranged at the front end of the rotary rod (306), a screw (9) is connected with the inner thread of the rotary table (8), a threaded hole is formed in one side, far away from the protective cover (2), of the base plate (302), and the screw (9) is in threaded connection with the threaded hole and is used for fixing the position of the rotary table (8).

8. A motor with automatic alarm function according to claim 3, characterized in that: and one side of the support (301) close to the protective cover (2) is hinged with a semicircular tube (10), and one end of the electric wire (504) sequentially penetrates through the semicircular tube (10) and the threading hole and is connected with the PLC control module (502) for limiting and protecting the electric wire (504).

9. A motor with automatic alarm function according to claim 2, characterized in that: the on-site control box (501) is hinged with a door plate at one side far away from the motor body (1), and the door plate is locked with the on-site control box (501) through a cylinder lock, so that the anti-theft property of the on-site control box (501) is improved.

10. A motor with automatic alarm function according to claim 1, characterized in that: the bottom of the bracket (301) is fixedly provided with a bottom plate (11), and four screws are connected to the bottom plate (11) in a threaded manner and used for installing the bracket (301).