CN210142951U

CN210142951U - Motor protector

Info

Publication number: CN210142951U
Application number: CN201921244529.2U
Authority: CN
Inventors: 朱建科
Original assignee: Huaxing Chuangzhan Guangzhou Technology Investment Co Ltd
Current assignee: Liguna Technology (Guangzhou) Co.,Ltd.
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-03-13
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a motor protector, including organism and mount pad, first order groove and second grade groove have been seted up on the mount pad respectively, and the horizontal welding of one-level inslot has the limiting plate, and the through-hole has been seted up to the equidistance in the limiting plate, and first order inslot equidistance round pin hub connection has the loop bar, and has seted up the trepanning in the loop bar upper end, and organism lower extreme round pin hub connection has the interior pole corresponding with the loop bar, and on the interior pole respectively the cover be equipped with spacing flange and one-level spring. The utility model arranges the primary groove and the secondary groove in the mounting seat, and the elastic force of the primary spring is used for sleeving and connecting the inner rod and the loop bar between the primary groove and the machine body, so as to provide the main elastic supporting function for the machine body; through utilizing second grade spring elastic support sliding sleeve and bearing bar on the guide bar at the second grade inslot to provide the spacing supporting role that can maintain balance for the organism through branch, thereby promote the stability of motor among the operating condition, reduce the organism structural damage because of violent vibrations cause.

Description

Motor protector

Technical Field

The utility model relates to a protection technical field is used to the motor, especially relates to a motor protector.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.

Because the high-speed operation of motor self part for the motor is whole produces violent vibrations easily in operating condition, bolt fixed connection's mode is generally adopted in the motor installation under the traditional art, makes the motor lack supporting buffer measure, and at violent vibrations in-process, the motor shakes from top to bottom and sways from side to side, does not through the precision of seriously influencing motor output, also causes the inside each other collision extrusion of each part of motor, thereby causes serious wearing and tearing and striking loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the violent vibrations of motor work easily lead to structural damage among the prior art, and a motor protector who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a motor protector comprises a machine body and a mounting seat, wherein a primary groove and a secondary groove are respectively arranged on the mounting seat, a limiting plate is horizontally welded in the primary groove, through holes are formed in the limiting plate at equal intervals, a loop bar is connected with an equidistant pin shaft in the primary groove, a loop cavity is formed in the upper end of the loop bar, the lower end of the machine body is connected with an inner bar corresponding to the loop bar through a pin shaft, a limiting flange and a primary spring are respectively sleeved on the inner bar, the inner bar is slidably sleeved on the through holes and penetrates through the through holes, one end of the inner bar, far away from the machine body, is connected with the loop bar, a support bar is connected between the two ends of the mounting seat and the two ends of the machine body, a guide bar is horizontally arranged in the secondary groove, a secondary spring and a sliding sleeve are respectively sleeved on the guide bar, a bearing bar is connected between the, the fixed installation of the installation seat can be realized.

Preferably, the number of the primary grooves and the number of the secondary grooves are one and two, respectively, and the primary grooves are located between the two secondary grooves.

Preferably, the primary groove is located right below the middle of the machine body, and the two secondary grooves correspond to the two ends of the machine body respectively.

Preferably, the inner rod is far away from and penetrates through one end of the through hole and is slidably sleeved in the sleeve cavity, the limiting flange and the one-level spring are sleeved on the inner rod from top to bottom, and the limiting flange and the one-level spring are both located below the limiting plate.

Preferably, the limiting flange abuts against the opening at the lower end of the through hole, and two ends of the primary spring respectively abut against the limiting flange and the loop bar.

Preferably, the fixed cover of second grade spring one end is located guide bar one end, the sliding sleeve is located on the guide bar other end, and the sliding sleeve welds with the free end of second grade spring mutually.

Preferably, the two ends of the supporting rod are respectively rotatably connected with the machine body and the mounting seat, and the two ends of the bearing rod are respectively rotatably connected with the sliding sleeve and the supporting rod.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model is provided with a primary groove corresponding to the middle part of the machine body in the mounting seat, and is horizontally provided with a limiting plate in the primary groove, and the sleeve rod and the inner rod are connected through corresponding pin shafts on the primary groove and the machine body, and the inner rod is sleeved in the sleeve rod in a sliding way; meanwhile, the elastic force of the primary spring is utilized to provide movable limit for the machine body so as to provide elastic support for the machine body.

2. The utility model discloses a set up the secondary groove corresponding with organism both sides at the mount pad both ends to utilize second grade spring's elasticity elastic support sliding sleeve and bearing bar on the guide bar of primary groove, rotate the branch of being connected again and provide the spacing support of activity between mount pad and the organism, thereby provide the spacing supporting role that further can maintain balance for the organism both ends.

In summary, the utility model arranges the primary groove and the secondary groove in the mounting base, and arranges the inner rod and the loop bar between the primary groove and the machine body by the elastic force of the primary spring to provide the main elastic supporting function for the machine body; through utilizing second grade spring elastic support sliding sleeve and bearing bar on the guide bar at the second grade inslot to provide the spacing supporting role that can maintain balance for the organism through branch, thereby promote the stability of motor among the operating condition, reduce the organism structural damage because of violent vibrations cause.

Drawings

Fig. 1 is a schematic structural diagram of a motor protector according to the present invention;

fig. 2 is an enlarged view of a part a of the structure of the motor protector according to the present invention;

fig. 3 is an enlarged view of a part B of the motor protector according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a mounting seat of a motor protector according to the present invention.

In the figure: the device comprises a machine body 1, a mounting seat 2, a primary groove 3, a secondary groove 4, a limiting plate 5, a through hole 6, a loop bar 7, a loop cavity 8, an inner bar 9, a limiting flange 10, a primary spring 11, a supporting bar 12, a guide bar 13, a secondary spring 14, a sliding sleeve 15, a bearing bar 16 and a threaded through hole 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a motor protector comprises a machine body 1 and a mounting seat 2, wherein the mounting seat 2 is respectively provided with a primary groove 3 and a secondary groove 4, a limiting plate 5 is horizontally welded in the primary groove 3, through holes 6 are equidistantly formed in the limiting plate 5, a loop bar 7 is connected with the primary groove 3 through pin shafts at equal intervals, a loop cavity 8 is formed in the upper end of the loop bar 7, the lower end of the machine body 1 is connected with an inner bar 9 corresponding to the loop bar 7 through pin shafts, a limiting flange 10 and a primary spring 11 are respectively sleeved on the inner bar 9, the inner bar 9 is slidably sleeved and penetrates through the through holes 6, one end of the inner bar 9 far away from the machine body 1 is connected with the loop bar 7, supporting bars 12 are connected between the two ends of the mounting seat 2 and the two ends of the machine body 1, the supporting bars 12 are obliquely arranged, a guiding bar 13 is horizontally arranged in the secondary groove 4, a secondary spring 14 and a sliding sleeve 15 are respectively sleeved, through connecting branch 12 and bearing bar 16 between organism 1, mount pad 2 to constitute the support that has the triangle-shaped structure of stability, in order to ensure that the support to organism 1 both ends is stable, threaded through-hole 17 has all been seted up at mount pad 2 both ends.

Further, the opening of the through hole 6 is twice the thickness of the inner rod 9, so that the inner rod 9 can deflect under force; and the position-defining flange 10 is larger than the opening of the through-hole 6 so as to define the inner rod 9.

The number of the first-stage grooves 3 and the number of the second-stage grooves 4 are one and two respectively, the first-stage grooves 3 are located between the two second-stage grooves 4, the first-stage grooves 3 are located under the middle of the machine body 1, main supporting effect is provided for the machine body 1, the two second-stage grooves 4 correspond to the two ends of the machine body 1 respectively, and balance of the two ends of the machine body 1 can be maintained.

Interior pole 9 is kept away from and is run through the one end slip cap of through-hole 6 and locate in cover chamber 8, position-limiting

flange

10 and 11 top-down cover of one-level spring are located on interior pole 9, and position-limiting flange 10 and one-level spring 11 all are located limiting plate 5 below, position-limiting flange 10 offsets with the 6 lower extreme openings of through-hole, and 11 both ends of one-level spring offset with position-limiting flange 10 and loop bar 7 respectively, position-limiting flange 10 and one-level spring 11 are located limiting plate 5 below all the time, through the tension of one-level spring 11, for interior pole 9 provides the support.

One end of the secondary spring 14 is fixedly sleeved on one end of the guide rod 13, the sliding sleeve 15 is slidably sleeved on the other end of the guide rod 13, the sliding sleeve 15 is welded with the free end of the secondary spring 14, two ends of the supporting rod 12 are respectively rotatably connected with the machine body 1 and the mounting seat 2, two ends of the bearing rod 16 are respectively rotatably connected with the sliding sleeve 15 and the supporting rod 12, and the sliding sleeve 15 horizontally slides on the guide rod 13 under the combined action of the bearing rod 16 and the secondary spring 14.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the installation base 2 and the motor body 1 are fixedly installed by screwing bolts in the threaded through holes 17 at the two ends of the installation base 2.

The machine body 1 during operation generates vibration:

on one hand, the machine body 1 extrudes the inner rod 9, so that the inner rod 9 moves downwards in the through hole 6 and slides towards the sleeve cavity 8 at the upper end of the sleeve rod 7, the inner rod 9 drives the limiting flange 10 to move downwards synchronously and extrudes the primary spring 11, so that the primary spring 11 is compressed under stress, and in the process, due to the tension of the primary spring 11, the limiting flange 10 and the inner rod 9 are supported by upward movement until the limiting flange 10 abuts against the opening at the lower end of the through hole 6;

on the other hand, 1 both ends of organism extrude branch 12, make branch 12 move down and tend to the level, carry out further extrusion to bearing bar 16, bearing bar 16 atress extrudees sliding sleeve 15, make the sliding sleeve 15 of atress use guide bar 13 to slide as the direction level, and extrude second grade spring 14, second grade spring 15 atress condensation, at this in-process, because the tension of second grade spring self, for sliding sleeve 15 and bearing bar 16 provide the supporting role of reverse movement, thereby provide the supporting role that can maintain balance for organism 1 both ends through branch 12.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A motor protector comprises a machine body (1) and a mounting seat (2), and is characterized in that a first-level groove (3) and a second-level groove (4) are respectively formed in the mounting seat (2), a limiting plate (5) is horizontally welded in the first-level groove (3), through holes (6) are formed in the limiting plate (5) at equal intervals, a loop bar (7) is connected to the first-level groove (3) through an equal-distance pin shaft, a loop cavity (8) is formed in the upper end of the loop bar (7), an inner rod (9) corresponding to the loop bar (7) is connected to the lower end of the machine body (1) through a pin shaft, a limiting flange (10) and a first-level spring (11) are respectively sleeved on the inner rod (9), the inner rod (9) is slidably sleeved on the through holes (6), one end, far away from the machine body (1), of the inner rod (9) is connected with the loop bar (7), and supporting rods (12) are connected between the two ends of the, level is equipped with guide bar (13) in secondary groove (4), and overlaps respectively on guide bar (13) and be equipped with secondary spring (14) and sliding sleeve (15), be connected with between sliding sleeve (15) and branch (12) bearing bar (16), threaded through-hole (17) have all been seted up at mount pad (2) both ends.

2. A motor protector according to claim 1 in which the primary slots (3) and secondary slots (4) are one and two in number respectively, and the primary slot (3) is located between two secondary slots (4).

3. A motor protector according to claim 2 in which the primary slot (3) is located directly below the middle of the body (1) and the two secondary slots (4) correspond to the ends of the body (1) respectively.

4. The motor protector as claimed in claim 1, wherein one end of the inner rod (9) far away from and penetrating through the through hole (6) is slidably sleeved in the sleeve cavity (8), the limiting flange (10) and the primary spring (11) are sleeved on the inner rod (9) from top to bottom, and the limiting flange (10) and the primary spring (11) are both located below the limiting plate (5).

5. A motor protector according to claim 4 characterised in that the position-limiting flange (10) abuts against the lower opening of the through hole (6), and the two ends of the primary spring (11) respectively abut against the position-limiting flange (10) and the loop bar (7).

6. A motor protector according to claim 1 wherein one end of the secondary spring (14) is fixedly secured to one end of the guide rod (13), the sliding sleeve (15) is slidably secured to the other end of the guide rod (13), and the sliding sleeve (15) is welded to the free end of the secondary spring (14).

7. A motor protector according to claim 6 characterized in that the two ends of the support rod (12) are respectively connected with the machine body (1) and the mounting base (2) in a rotating way, and the two ends of the bearing rod (16) are respectively connected with the sliding sleeve (15) and the support rod (12) in a rotating way.