CN114123673B - Commutator riser structure and mounting method thereof - Google Patents

Abstract

The application relates to the technical field of direct current motors, in particular to a commutator elevating piece structure and an installation method thereof, wherein the commutator elevating piece structure comprises a plurality of elevating piece bodies which are radially fixed on a commutator, the elevating piece bodies are distributed at equal intervals, at least one connecting insulating wedge is assembled between every two adjacent elevating piece bodies, connecting parts extending out of the elevating piece bodies are arranged at two ends of each connecting insulating wedge, and connecting grooves or/and connecting holes are formed in the connecting parts along the thickness direction; two wires are arranged between all the connecting insulating wedges, the wires are wound in the connecting grooves or penetrate through the connecting holes, the wires are integrally circular, the radial pretightening force of the commutator is kept to be exerted on the connecting insulating wedges, and the two wires are respectively arranged on two sides of the lifting piece body. This application sets up the silk rope on connecting the insulating wedge to can effectively avoid the silk rope to coil on rising the piece body, only need simply bypass or pass and connect behind the insulating wedge tensioning can.

Description

Commutator riser structure and mounting method thereof

Technical Field

The application relates to the technical field of direct current motors, in particular to a commutator riser structure and an installation method thereof.

Background

Chinese patent No. CN86204275U discloses a breaking-proof structure for elevating pieces of dc motor, which discloses assembling insulating wedges between two adjacent elevating pieces by means of insertion, then binding each elevating piece by a wire elevating piece, applying pretightening force to the two adjacent elevating pieces by using a wire, and further clamping the insulating wedges, so that all elevating pieces are fixed and integrated, and the structural strength is improved.

However, in the above-mentioned related art, the wire rope needs to be wound around each of the lifting sheets in one circle, and the distance between the lifting sheets is not large, which results in time and labor consuming in operation.

Disclosure of Invention

In order to fix the lifting piece conveniently, the application provides a commutator lifting piece structure.

On the one hand, the application provides a commutator elevating piece structure, adopts following technical scheme:

a commutator elevating piece structure comprises a plurality of elevating piece bodies radially fixed on a commutator, wherein the elevating piece bodies are distributed at equal intervals, at least one connecting insulating wedge is assembled between every two adjacent elevating piece bodies, two ends of each connecting insulating wedge are provided with connecting parts extending out of the elevating piece bodies, and the connecting parts are provided with connecting grooves or/and connecting holes along the thickness direction;

all be equipped with two ropes between connecting the insulating wedge, the rope is around locating the spread groove or wearing to locate the connecting hole, the whole circular that is of rope, to connecting the insulating wedge keeps applying the radial pretightning force of commutator, two the rope is located the both sides of rising piece body respectively.

So set up, set up the silk rope on connecting the insulating wedge to can effectively avoid the silk rope to convolute on rising the piece body, only need simply bypass or pass connect between the insulating wedge after the tensioning can, it is through utilizing adjacent two to rise between the piece body apart from the more closely less characteristic of interval in axle center, the both sides that connect the insulating wedge in tensioning process can be supported tightly with the rising piece body terminal surface of both sides gradually, thereby form stable structure.

Optionally: the lifting piece body is at least provided with a section of thickened section used for supporting the connecting insulation wedge, and the thickened section is provided with a guide inclined plane facing to the end part of one end, far away from the axis, of the lifting piece body.

According to the arrangement, the thickened section can clamp and position the connecting insulation wedge, so that the problem that the installation difficulty is increased due to the fact that part of the connecting insulation wedge slides to the bottommost position is avoided; on the other hand, when the wire rope is tensioned, each connecting insulation wedge can be positioned on the same circle, so that the wire rope is as close to a standard circle as possible, and the formed structure is more stable. And the setting of guide inclined plane can be with radial force dispersion for connect better the supporting tightly of piece body that will rise of insulating wedge.

Optionally: the thickness of the connecting parts is larger than that of the connecting insulating wedges, the distance between the two connecting parts is equal to the width of the lifting piece body, and the thickness difference between the connecting insulating wedges and the connecting parts is smaller than that of the lifting piece body.

So set up, can fix a position and guide connecting insulating wedge through both sides connecting portion, avoid leading to the atress slope and influence the effect that the silk rope bound when the silk rope binds.

Optionally: and filling glue into the gap between every two adjacent connecting insulation wedges.

So set up, further consolidate the structural strength and the stability of connecting insulating wedge to guarantee to rise the stability of piece structure.

Optionally: at least one said connect the insulating wedge for connect the insulating wedge initially, connect the insulating wedge initially and be equipped with the perforation, the perforation sets up along the length direction of connecting the insulating wedge initially.

So set up, can connect the silk rope of both sides and form wholly to guarantee that the pretightning force of both sides silk rope is even.

Optionally: the through holes are communicated with the connecting grooves or/and the connecting holes.

So set up, make the trend of silk rope more reasonable, the pretightning force that is used in each connection insulation wedge is more even.

Optionally: one end of each of the two wire ropes is arranged in the through hole in a penetrating mode, and the two wire ropes arranged in the through holes in a penetrating mode are connected or integrally arranged.

So set up, on the one hand can do benefit to the line of walking of silk rope, and on the other hand can make the pretightning force that the silk rope was used in on each connection insulation wedge even.

Optionally: the other ends of the two wire ropes are wound for at least one circle and then penetrate out of the through holes of the primary connection insulation wedges; the wire rope is fixed by filling glue in the through hole or is connected by knotting around the lower part of the initially connected insulating wedge.

So set up, it is all comparatively simple to bind or glue is fixed to because draw forth in following the perforation, can further improve the homogeneity of silk rope pretightning force.

Optionally: the end parts of the two silk ropes are arranged in the through holes in a staggered mode.

So set up, improve the fastness after the silk rope is binded or the glue is fixed.

In a second aspect, the present application provides a method for installing a commutator riser structure, which adopts the following technical scheme:

a mounting method of a commutator riser structure comprises the following steps:

the connecting insulation wedge is provided with a connecting groove, and the connecting insulation wedge comprises the following steps:

s1, assembling, namely installing the connecting insulating wedge between two adjacent lifting sheet bodies;

s2, threading the wire rope into the threading hole of the initial connection insulation wedge, and finishing at least one circle of winding along the connecting groove after two ends of the wire rope are threaded out; the wire rope which is wound is led out of the through holes on the other side, the crossing is formed in the through holes, and then the wire rope is tensioned;

s3, fixing, namely pouring glue into the through holes under the condition of keeping the tension state, and loosening the wire rope after the glue is solidified;

or winding the two ends of the silk rope below the primary connection insulation wedge to be connected in a knotting mode;

s4, filling glue, namely filling glue into a gap between two adjacent connecting insulation wedges;

the connecting insulating wedge is provided with a connecting hole, and the connecting insulating wedge comprises the following steps:

s1, threading, namely threading the silk rope into the threading hole of the initial connection insulation wedge, threading two ends of the silk rope out of the connecting hole, threading the silk rope into the connecting hole of the initial connection insulation wedge after sequentially passing through all the connection insulation wedges, and then threading the silk rope out of the threading hole at the end part;

s2, assembling, namely installing the connecting insulating wedge between two adjacent lifting sheet bodies, and then tensioning a wire rope;

s3, fixing, namely pouring glue into the through holes under the condition of keeping the tension state, and loosening the wire rope after the glue is solidified;

or winding the two ends of the silk rope below the primary connection insulation wedge to be connected in a knotting mode;

and S4, filling glue, namely filling glue into a gap between every two adjacent connecting insulation wedges.

Drawings

FIG. 1 is embodiment one, 8230, showing 8230;

FIG. 2 is the first embodiment of \8230showing \8230;

FIG. 3 is one of embodiments I \8230showing \8230;

FIG. 4 is a solution of embodiment one, referenced as 8230, showing a solution of embodiment one, referenced as 8230;

FIG. 5 is a solution of embodiment one, referenced as 8230, showing a solution of embodiment one, referenced as 8230;

FIG. 6 is a view of embodiment two of 8230showing 8230;

FIG. 7 is a view of embodiment two of 8230showing 8230;

FIG. 8 is a view of embodiment two of 8230showing a view of embodiment 8230;

FIG. 9 shows \8230;. And shows \8230;. Of example two.

In the figure, 100, a commutator; 200. a step-up sheet body; 210. a thickening section; 211. a guide ramp; 300. connecting an insulating wedge; 310. a connecting portion; 311. connecting grooves; 312. connecting holes; 400. primarily connecting an insulating wedge; 410. perforating holes; 420. a communicating hole; 500. a silk rope.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example 1: a commutator riser structure is shown in fig. 1, and comprises a plurality of riser bodies 200 fixed on a commutator 100, wherein the riser bodies 200 are distributed at equal intervals, the riser bodies 200 are of a sheet structure, the length direction of the riser bodies 200 is arranged along the radial direction of the commutator 100, and the width direction of the riser bodies is arranged along the axial lead direction of the commutator 100.

Referring to fig. 1 and 2, at least one thickened section 210 is arranged on the lift tab body 200 along the length direction thereof, the number of the thickened sections 210 is set according to the length of the lift tab body 200, and a plurality of thickened sections are arranged in a longer way, and one thickened section is arranged in a shorter way, for example, two thickened sections are taken as an example in this embodiment. The thickness of the thickened section 210 is greater than the thickness of the other parts of the lifter piece body 200. The thickened section 210 is provided with a guide inclined surface 211 facing the end of the lifting piece body 200 away from the shaft center of the commutator 100, and the guide inclined surface 211 is arc-shaped in the embodiment.

At least one connecting insulation wedge 300 is assembled between two adjacent lifting sheet bodies 200, wherein the assembling number of the connecting insulation wedges 300 between two adjacent lifting sheet bodies 200 depends on the length of the lifting sheet body 200, the setting number of the connecting insulation wedges is the same as that of the thickened sections 210, and the two connecting insulation wedges 300 are respectively arranged on the two thickened sections 210 in a low mode.

Referring to fig. 2 and 3, the connecting portion 310 extending out of the lifting piece body 200 is disposed at both ends of the connecting insulating wedge 300, the cross section of the connecting portion 310 is a rectangular quadrangle or a sector, preferably a sector, and the sector can have a higher degree of fit with the gap between the lifting piece body, which is exemplified by the sector in this embodiment.

The thickness of the connecting portion 310 is greater than that of the connecting insulation wedge 300, the distance between the two connecting portions 310 is equal to the width of the lift tab body 200, and the thickness difference between the connecting insulation wedge 300 and the connecting portion 310 is less than that of the lift tab body 200.

Referring to fig. 1 and 3, a connecting groove 311 is formed in the connecting portion 310 along the thickness direction, the connecting groove 311 is located on an end surface of the connecting portion 310 away from the axial line of the commutator 100, and the cross section of the connecting groove 311 is semicircular.

As shown in fig. 2 and 4, at least one of the connection insulation wedges 300 is a preliminary connection insulation wedge 400, a through hole 410 is formed in the preliminary connection insulation wedge 400, the through hole 410 is formed along the length direction of the preliminary connection insulation wedge 400, and the through hole 410 penetrates the preliminary connection insulation wedge 400 to form a through hole on the two connection portions 310.

A communication hole 420 is provided between the through hole 410 and the connection groove 311, and the communication hole 420 is respectively provided perpendicular to the through hole 410 and the connection groove 311. In this embodiment, the initial connection insulation wedge 400 is provided as one, and one wire rope 500, which may be two wires, is inserted into the insertion hole 410 of the initial connection insulation wedge 400, but the two wire ropes 500 need to be fixedly connected together. Both ends of the wire rope 500 respectively penetrate through the two communication holes 420 at both sides.

Referring to fig. 2 and 5, the wire rope 500 at both sides of the riser body 200 is wound around the commutator 100 along the connecting slot 311, and the wire rope 500 is wound around all the connecting insulating wedges 300 at least one turn to form a circular structure. After the winding process is completed for one circle, the radial and centering circular pre-tightening force can be applied to all the connecting insulation wedges 300 at the same time by tightening the wire rope 500, so that the two sides of the bottom of the connecting insulation wedge 300 are abutted against the guide inclined plane 211 of the thickened section 210, and the two sides of the connecting insulation wedge 300 are abutted against the lifting piece body 200 at the two sides.

Can wind and establish two weeks or three weeks, but exceed two weeks and need both take up the silk rope 500 after establishing a week or two weeks around to subsequent winding needs to be gone on under the state that keeps taut, avoids setting up the number of turns too much after leading to the silk rope 500 can't be taut with connecting insulating wedge 300.

Referring to fig. 2 and 6, the wound wire 500 is inserted into the through hole 410 through the communication hole 420 of the initial connection insulation wedge 400 and is passed out through the through hole on the other side, so that the wire 500 at both ends are disposed in the through hole 410 in a staggered manner. After the completion of the penetration, the two ends of the wire rope 500 are knotted and connected below the initial connection insulation wedge 400, or fixed by filling glue in the penetration hole 410, in this embodiment, the glue is filled as an example.

After filling the glue into the through hole 410, the glue is filled into the gap between the two adjacent connecting insulating wedges 300.

The installation method comprises the following steps:

s1, assembling, installing all the connection insulation wedges 300 except the initial connection insulation wedge 400 between two adjacent rising piece bodies 200.

And S2, threading, namely, threading the wire rope 500 into the through hole 410 of the initial connection insulating wedge 400, so that two ends of the wire rope 500 penetrate out of the two communicating holes 420, and then installing the initial connection insulating wedge 400 wedge between the two adjacent lifting piece bodies 200. Then, winding the wire rope 500 for at least one circle along the connecting groove 311, penetrating the wound wire rope 500 out of the through hole 410 on the other side, forming a cross in the through hole 410, and then tensioning the wire rope 500;

and S3, fixing, namely pouring glue into the through holes 410 in a tensioning state, and loosening the silk rope 500 after the glue is solidified.

And S4, filling glue, namely filling glue into the gap between every two adjacent connecting insulation wedges 300.

Example 2: as shown in fig. 7 and 8, the difference from embodiment 1 is that the connecting hole 312 is disposed on the connecting insulation wedge 300 instead of the connecting groove 311 in this embodiment, and referring to fig. 9, the connecting hole 312 on the initial connecting insulation wedge 400 penetrates through both side end surfaces of the connecting portion 310 and is disposed in communication with the through hole 410, and the connecting hole 312 may be a straight line or an arc, preferably an arc structure.

The installation method comprises the following steps:

s1, threading, namely, threading a wire rope 500 into a through hole 410 of the initially connected insulating wedge 400, threading two ends of the wire rope 500 out of two connecting holes 312 on the same side, threading all the connecting insulating wedges 300 in turn, then threading the wire rope into the connecting holes 312 of the initially connected insulating wedge 400 again, and then threading the wire rope out of the through hole 410 on the end part. Here, the wire rope 500 may also be threaded twice, and then threaded through the through hole 410 after being threaded through the connection hole 312 of the initial connection insulation wedge 400 for the second time.

And S2, assembling, namely installing all the connecting insulating wedges 300 between two adjacent elevating piece bodies 200 around the axial lead direction of the commutator 100 in sequence, and tensioning the wire ropes 500 after the installation is finished so that all the connecting insulating wedges 300 are abutted against the thickened section 210.

And S3, fixing, pouring glue into the through holes 410 in a tensioned state, and loosening the wire rope 500 after the glue is solidified.

And S4, filling glue, namely filling glue into the gap between every two adjacent connecting insulation wedges 300.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A commutator elevating piece structure comprises a plurality of elevating piece bodies (200) fixed on a commutator (100) along the radial direction, wherein the elevating piece bodies (200) are distributed at equal intervals, and the commutator elevating piece structure is characterized in that: at least one connecting insulation wedge (300) is assembled between two adjacent lifting sheet bodies (200), two ends of each connecting insulation wedge (300) are provided with connecting parts (310) extending out of the lifting sheet bodies (200), and the connecting parts (310) are provided with connecting grooves (311) or/and connecting holes (312) along the thickness direction;

two wire ropes (500) are arranged among all the connecting insulating wedges (300), the wire ropes (500) are wound in the connecting grooves (311) or penetrate through the connecting holes (312), the wire ropes (500) are integrally circular and keep applying radial pretightening force of the commutator (100) to the connecting insulating wedges (300), and the two wire ropes (500) are respectively arranged on two sides of the lifting piece body (200);

the lifting piece body (200) is at least provided with a section of thickened section (210) for supporting the connecting insulating wedge (300), and the thickened section (210) is provided with a guide inclined plane (211) facing to the end part of one end, far away from the axis, of the lifting piece body (200).

2. The commutator riser structure of claim 1, wherein: the thickness of the connecting part (310) is larger than that of the connecting insulating wedge (300), the distance between the two connecting parts (310) is equal to the width of the lifting sheet body (200), and the thickness difference between the connecting insulating wedge (300) and the connecting part (310) is smaller than that of the lifting sheet body (200).

3. The commutator riser structure of claim 1, wherein: at least one connect insulating wedge (300) for connect insulating wedge (400) just, be equipped with in connecting insulating wedge (400) just and wear to establish hole (410), wear to establish hole (410) along the length direction setting of connecting insulating wedge (400 just.

4. The commutator riser structure of claim 2, wherein: and glue is filled in the gap between two adjacent connecting insulation wedges (300).

5. The commutator riser structure of claim 3, wherein: the through hole (410) is communicated with the connecting groove (311) or/and the connecting hole (312).

6. The commutator riser structure of claim 5, wherein: one end of each of the two wire ropes (500) penetrates through the penetrating hole (410), and the two wire ropes (500) penetrating through the penetrating hole (410) are connected or integrally arranged.

7. The commutator riser structure of claim 6, wherein: the other ends of the two wire ropes (500) are wound for at least one circle and then penetrate out of the through holes (410) of the primary connection insulation wedge (400); the wire rope (500) is fixed by filling glue in the through hole (410) or is knotted and connected below the initial connection insulation wedge (400) in a winding mode.

8. The commutator riser structure of claim 7, wherein: the ends of the two silk ropes (500) are arranged in the through holes (410) in a staggered manner.

9. A method for mounting a commutator riser structure as claimed in claim 8, wherein the step of providing the coupling groove (311) in the coupling insulating wedge (300) comprises the steps of:

s1, assembling, namely installing the connecting insulating wedge (300) between two adjacent lifting piece bodies (200);

s2, threading the wire rope (500) into a threading hole (410) of the primary connection insulation wedge (400), and finishing at least one circle of winding along a connecting groove (311) after two ends of the wire rope (500) penetrate out; the wire rope (500) which is wound is led out of the through hole (410) at the other side, and the wire rope (500) is tensioned after the wire rope is staggered in the through hole (410);

s3, fixing, namely pouring glue into the through holes (410) under the condition of keeping the tension state, and loosening the wire rope (500) after the glue is solidified;

or the two ends of the wire rope (500) are wound to the lower part of the primary connecting insulation wedge (400) to be connected in a knotting way;

s4, filling glue, namely filling glue into a gap between two adjacent connecting insulation wedges (300);

when the connecting insulation wedge (300) is provided with the connecting hole (312), the method comprises the following steps:

s1, threading, namely threading the wire rope (500) into a threading hole (410) of the primary connection insulation wedge (400), threading two ends of the wire rope (500) out of a connecting hole (312), threading the wire rope into the connecting hole (312) of the primary connection insulation wedge (400) again after sequentially passing through all the connection insulation wedges (300), and then threading the wire rope out of the threading hole (410) at the end part;

s2, assembling, namely installing the connecting insulating wedge (300) between two adjacent lifting sheet bodies (200), and then tensioning a wire rope (500);

s3, fixing, namely filling glue water into the through holes (410) under the condition of keeping the tension state, and loosening the silk rope (500) after the glue water is solidified;

or the two ends of the wire rope (500) are wound to the lower part of the primary connecting insulation wedge (400) to be connected in a knotting way;

and S4, filling glue, namely filling glue into a gap between two adjacent connecting insulation wedges (300).

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