CN217956844U - Motor bearing insulation structure - Google Patents

Abstract

The utility model provides a motor bearing insulation system. Motor bearing insulation system includes that pivot and cover establish the epaxial bearing housing of pivot, fixed cover is equipped with the bearing in the pivot, the bearing is located in the bearing housing, fixed cover is equipped with insulating cover on the outer lane of bearing, two logical grooves have been seted up on the outer wall of bearing housing, two shrink grooves have been seted up on insulating cover's the outer wall, two equal slidable mounting has the fixture block in the shrink groove, two one side that the fixture block was kept away from each other all extends to corresponding logical inslot, two the equal fixed mounting in one side that the fixture block is close to each other has spring one, two the one end that spring one is close to each other respectively with two the one side inner wall fixed connection that the shrink groove is close to each other. The utility model provides a motor bearing insulation system has the advantage that can conveniently tear open and trade the insulating cover.

Description

Motor bearing insulation structure

Technical Field

The utility model relates to a bearing insulation technical field especially relates to a motor bearing insulation system.

Background

In the use of motor, in order to prevent the production of axle current, prevent that bearing surface from receiving the damage, improve bearing life, generally can install the excitation carbon brush on the macroaxis, through the ground signal device ground connection, perhaps set up insulating cover between bearing frame and bearing, the production of separation return circuit, and then can protect the bearing.

However, the traditional mode that sets up insulating cover between bearing and bearing frame end cover finds in the in-service use, and this kind of insulating cover is fixed wherein through inlaying or gluing mode, when dismantling the change in the later stage, is comparatively difficult.

Therefore, it is necessary to provide a new motor bearing insulation structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can conveniently tear open motor bearing insulation system who trades insulating cover.

In order to solve the technical problem, the utility model provides a motor bearing insulation system includes: the bearing seat cover in the pivot is established to pivot and cover, fixed cover is equipped with the bearing in the pivot, the bearing is located in the bearing seat cover, fixed cover is equipped with insulating cover on the outer lane of bearing, two logical grooves have been seted up on the outer wall of bearing seat cover, two shrink grooves have been seted up on the outer wall of insulating cover, two equal slidable mounting has the fixture block, two in the shrink groove one side that the fixture block was kept away from each other all extends to corresponding logical inslot, two the equal fixed mounting in one side that the fixture block is close to each other has spring one, two the one end that spring one is close to each other respectively with two the inner wall fixed connection in one side that the shrink groove is close to each other.

Preferably, two communicating ports are formed in one side of the bearing seat sleeve, the two communicating ports are communicated with the corresponding through grooves, pressing strips are arranged in the two communicating ports, one sides of the two pressing strips extend to the corresponding through grooves, guide rods are fixedly mounted on one sides, close to each other, of the two pressing strips, and the two guide rods are matched with the corresponding clamping blocks.

Preferably, a positioning ring is fixedly mounted on one side of the bearing sleeve, the positioning ring is in contact with one side of the insulating sleeve, and the rotating shaft penetrates through the positioning ring and is movably connected with the positioning ring.

Preferably, one side of the insulating sleeve, which is far away from the positioning ring, is provided with two guide holes, guide pillars are arranged in the two guide holes, one end, which is far away from the positioning ring, of each of the two guide pillars is fixedly provided with the same snap ring, and the rotating shaft penetrates through the snap ring and is movably connected with the snap ring.

Preferably, one side of the snap ring, which is far away from the positioning ring, is fixedly provided with a poking ring, and the rotating shaft penetrates through the poking ring and is movably connected with the poking ring.

Preferably, two equal fixed mounting has two montants, corresponding two in the intercommunication mouth the montant all runs through the correspondence the layering and with correspond layering sliding connection, and four all the cover is equipped with spring two on the montant, spring two's one end with layering fixed connection, spring two's the other end with the inner wall fixed connection of intercommunication mouth.

Preferably, the insulating cover is kept away from one side fixed mounting of holding ring has two elastic strips, two the equal fixed mounting in one side that the elastic strip is close to each other has wedge one, the snap ring is kept away from one side fixed mounting of holding ring has two wedges two, two wedge one all with correspond wedge two-phase adaptation.

Compared with the prior art, the utility model provides a motor bearing insulation system has following beneficial effect:

the utility model provides a motor bearing insulation system, the card between fixture block and the logical groove through setting up is held, alright with insulating cover reliable fix in the bearing frame cover, and simultaneously when tearing down insulating cover, only need press two layering alright withdraw from logical inslot with the fixture block, then take insulating cover out can, easy operation is swift to, utilize the snap ring can provide the one to the bearing and compress tightly the protection, make its fixed relation with insulating cover inseparabler.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an insulation structure for a motor bearing according to the present invention;

fig. 2 is a schematic diagram of a rear perspective structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is an enlarged view of the portion a shown in fig. 3.

Reference numbers in the figures: 1. a rotating shaft; 2. a bearing housing; 3. a bearing; 4. an insulating sleeve; 5. a through groove; 6. a contraction groove; 7. a clamping block; 8. a first spring; 9. a communication port; 10. a vertical rod; 11. layering; 12. a guide bar; 13. a second spring; 14. a positioning ring; 15. a guide hole; 16. a guide post; 17. a snap ring; 18. the ring is dialed.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an insulation structure of a motor bearing according to the present invention; fig. 2 is a schematic diagram of a rear perspective structure of the present invention; FIG. 3 is a schematic sectional view of the present invention; fig. 4 is an enlarged view of the part a shown in fig. 3. Motor bearing insulation system includes: the bearing seat cover 2 on the rotating shaft 1 is sleeved with the rotating shaft 1, the bearing 3 is fixedly sleeved on the rotating shaft 1, the bearing 3 is located in the bearing seat cover 2, the insulating sleeve 4 is fixedly sleeved on the outer ring of the bearing 3, two through grooves 5 are formed in the outer wall of the bearing seat cover 2, two shrinkage grooves 6 are formed in the outer wall of the insulating sleeve 4, sliding grooves are formed in the inner walls of two sides of the two shrinkage grooves 6, sliding blocks slide in the four sliding grooves, the two corresponding sliding blocks are fixed with the same clamping block 7, one side, away from each other, of the two clamping blocks 7 extends into the corresponding through groove 5, the clamping block 7 can be tightly inserted into the through groove 5, in order to tightly clamp the clamping block 7 into the through groove 5, one side, close to each other, of the two clamping blocks 7 is fixed with a spring I8, one end, close to each other, of the two spring I8 is fixedly connected with the inner wall, close to each other, and the elastic jacking force of the spring I8 is utilized, and the clamping block 7 can be tightly clamped into the through groove 5.

In this mode, in order to facilitate people to withdraw the fixture block 7 from the through groove 5, specifically, two communication ports 9 are formed in one side of the bearing seat sleeve 2, the two communication ports 9 are both communicated with the corresponding through groove 5, the two communication ports 9 are internally provided with the pressing bars 11, one sides of the two pressing bars 11 are extended to the corresponding through groove 5, the two pressing bars 11 are located on the through groove 5 and are respectively fixed with the guide rod 12, the two guide rods 12 are respectively matched with the corresponding fixture block 7, in addition, the two vertical bars 10 are respectively fixed in the two communication ports 9, the two corresponding vertical bars 10 respectively penetrate through the corresponding pressing bars 11 and are in sliding connection with the corresponding pressing bars 11, the vertical bars 10 are arranged, the pressing bars 11 can only stretch up and down along a specific way, the fixture block 7 can be smoothly pushed out of the through groove 5 by the guide rods 12, the insulating sleeve 4 is separated from the bearing seat sleeve 2, the four vertical bars 10 are respectively sleeved with the second spring 13, one end of the second spring 13 is fixedly connected with the pressing bars 11, the other end of the second spring 13 is fixedly connected with the inner wall of the communication ports 9, the second spring can provide a function for the spring 11 to automatically return to the original pressing bar 11.

In the present embodiment, in order to limit the position of the insulating sleeve 4, the fixture block 7 and the through groove 5 can be located at a same axial position, specifically, a positioning ring 14 is fixed on one side of the bearing sleeve 2, the positioning ring 14 is in contact with one side of the insulating sleeve 4, and the rotating shaft 1 penetrates through the positioning ring 14 and is movably connected with the positioning ring 14.

In this way, in order to form a side clamp for the bearing 3, so that the bearing can be reliably fixed in the insulating sleeve 4, specifically, two guide holes 15 are formed in one side of the insulating sleeve 4, which is far away from the positioning ring 14, guide pillars 16 are arranged in the two guide holes 15, and the diameters of the guide pillars 16 are the same as the inner diameters of the guide holes 15, when the two guide holes are inserted, the guide pillars 16 can completely fill the guide holes 15, so that the inserting stability is ensured, one end of the two guide pillars 16, which is far away from the positioning ring 14, is fixed with a snap ring 17, the rotating shaft 1 penetrates through the snap ring 17 and is movably connected with the snap ring 17, and the inner diameter of the snap ring 17 is smaller than the inner diameter of the bearing 3, so that a side stop can be formed for the bearing 3 to prevent the bearing from protruding out of the insulating sleeve 4, and in order to facilitate people to operate the snap ring 17, specifically, a poking ring 18 is fixed on one side of the snap ring 17, which is far away from the positioning ring 14, and the rotating shaft 1 penetrates through the poking ring 18.

In this mode, in order to inject the reliable one side in insulating cover 4 with snap ring 17, in order to guarantee its side to bearing 3 and keep off the performance, specifically, one side of keeping away from holding ring 14 at insulating cover 4 is fixed with two elastic strips, one side that two elastic strips are close to each other all is fixed with wedge one, one side that holding ring 14 was kept away from to snap ring 17 is fixed with two wedges two, two wedges all with the two looks adaptations of the wedge that corresponds, utilize the adaptation between wedge one and the wedge two to contradict, and under the crisscross conflict of the two, make snap ring 17 can be tight and insulating cover 4 between form fixedly.

In addition, in this mode, one side of the clamping block 7 close to the positioning ring 14 is designed to be a bevel edge, so that when the clamping block is inserted into the insulating sleeve 4, the bevel edge can be abutted against the inner wall edge of the bearing sleeve 2, and the clamping block can be automatically retracted into the shrinkage groove 6, so that the operation of people is facilitated.

The utility model provides a motor bearing insulation system's theory of operation as follows:

when the device is operated and assembled, the bearing 3 is fixedly arranged in the insulating sleeve 4, then the insulating sleeve 4 is inserted into the bearing seat sleeve 2 together with the bearing 3, in the insertion process, the inclined edge of the fixture block 7 protruding out of the insulating sleeve 4 abuts against the edge of the inner ring of the bearing seat sleeve 2, then the inclined edge and the inner ring of the bearing seat sleeve 2 abut against each other, under the action of the spring I8, the fixture block 7 is firstly retracted into the shrinkage groove 6 and inserted into the bearing seat sleeve 2 until one side of the insulating sleeve 4 abuts against the positioning ring 14, at the moment, the insulating sleeve 4 is inserted in place, then the two guide posts 16 on the clamping ring 17 are aligned to the corresponding guide holes 15 and inserted, along with the insertion of the guide posts 16, when the wedge block II and the wedge block I are in contact with each other, the wedge block II abuts against each other, the elastic strip deforms until the guide posts 16 are completely inserted into the guide holes 15, the wedge block II and the wedge block I are separated from the wedge block II, so that the wedge block II can reliably clamp the wedge block 17 and tightly contacts with the insulating sleeve 4 at the same time, the inner wall of the insulating sleeve 4 and the bearing seat sleeve 7 is directly pressed against the through groove 8, and the groove 7, at the bearing 5, and the bearing 5 is pressed by the spring I, and the elastic strip, so that the bearing sleeve 7 is pressed and the bearing sleeve 5 is pressed;

and when subsequently dismantling insulating boot 4 and changing, separate pivot 1 and bearing 3, then press two layering 11 toward the direction that is close to each other for two guide arms 12 move toward the direction that is close to each other, thereby can push against two fixture blocks 7, make two fixture blocks 7 toward the shrink groove 6 interior retraction that corresponds, until the complete retraction back, take dial ring 18 and outwards pull out, afterwards, with insulating boot 4 and bearing 3 separation can.

Compared with the prior art, the utility model provides a motor bearing insulation system has following beneficial effect:

the utility model provides a motor bearing insulation system, through the card of the fixture block 7 that sets up and lead to between the groove 5, alright with insulating cover 4 reliable fix in bearing sleeve 2, and simultaneously when tearing down insulating cover 4, only need press two layering 11 alright withdraw from in leading to the groove 5 with fixture block 7, then take insulating cover 4 out can, easy operation is swift to, utilize snap ring 17 can provide the one to bearing 3 and compress tightly the protection, make its inseparabler with insulating cover 4's fixed relation.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a motor bearing insulation system, establishes the epaxial bearing seat cover of pivot including pivot and cover, its characterized in that, fixed cover is equipped with the bearing in the pivot, the bearing is located in the bearing seat cover, fixed cover is equipped with insulating cover on the outer lane of bearing, two logical grooves have been seted up on the outer wall of bearing seat cover, two shrink grooves have been seted up on the outer wall of insulating cover, two equal slidable mounting in the shrink groove has the fixture block, two one side that the fixture block was kept away from each other all extends to the correspondence it is logical inslot, two the equal fixed mounting in one side that the fixture block is close to each other has spring one, two the one end that spring one is close to each other respectively with two the one side inner wall fixed connection that the shrink groove is close to each other.

2. The motor bearing insulation structure according to claim 1, wherein two communication ports are formed in one side of the bearing sleeve, the two communication ports are communicated with the corresponding through grooves, pressing strips are arranged in the two communication ports, one sides of the two pressing strips extend to the corresponding through grooves, guide rods are fixedly mounted on the sides, close to each other, of the two pressing strips, and the two guide rods are matched with the corresponding clamping blocks.

3. The motor bearing insulation structure according to claim 1, wherein a positioning ring is fixedly mounted on one side of the bearing sleeve, the positioning ring contacts with one side of the insulation sleeve, and the rotating shaft penetrates through the positioning ring and is movably connected with the positioning ring.

4. The motor bearing insulation structure according to claim 3, wherein two guide holes are formed on a side of the insulation sleeve away from the positioning ring, guide posts are disposed in both of the two guide holes, a snap ring is fixedly mounted on an end of each of the two guide posts away from the positioning ring, and the rotating shaft penetrates through the snap ring and is movably connected with the snap ring.

5. The motor bearing insulation structure of claim 4, wherein a toggle ring is fixedly installed on one side of the snap ring away from the positioning ring, and the rotating shaft penetrates through the toggle ring and is movably connected with the toggle ring.

6. The motor bearing insulation structure of claim 2, wherein two vertical rods are fixedly mounted in each of the two communication ports, the two corresponding vertical rods penetrate through the corresponding pressing strip and are slidably connected with the corresponding pressing strip, a second spring is sleeved on each of the four vertical rods, one end of the second spring is fixedly connected with the pressing strip, and the other end of the second spring is fixedly connected with the inner wall of each of the two communication ports.

7. The motor bearing insulation structure according to claim 4, wherein two elastic strips are fixedly mounted on one side of the insulation sleeve away from the positioning ring, a first wedge block is fixedly mounted on one side of the two elastic strips close to each other, a second wedge block is fixedly mounted on one side of the snap ring away from the positioning ring, and the first wedge blocks are matched with the corresponding second wedge blocks.

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