CN209844713U - Traction motor capable of preventing bearing from electric corrosion - Google Patents

Abstract

The utility model discloses a can prevent traction motor of bearing electroerosion, including the traction motor body, the right side wall fixed mounting of the inner bearing of traction motor body has interior end cover, and first conducting block is installed in the right side wall embedding of traction motor body, and the laminating of first conducting block and interior end cover, and the lateral wall embedding of traction motor body installs the second conducting block, and the laminating of the iron core portion that exposes of second conducting block and traction motor body, the utility model discloses an add the electric connection structure between the inner circle support of bearing and the outer lane support, reduce the production of voltage difference, reached the emergence that reduces conductive phenomenon, reduce the effect to the bearing electroerosion phenomenon, through setting up T-shaped piece and spring, conveniently carry out conductive treatment to outer end cover department to through setting up the structure of sheltering from to the spring groove, protect it when T-shaped piece can not normally use.

Description

Traction motor capable of preventing bearing from electric corrosion

Technical Field

The utility model relates to a prevent electric corrosion motor technical field, specifically be a can prevent traction motor of bearing electroerosion.

Background

Grease is generally provided inside a motor bearing, and a thin oil film (having a thickness of about 0.005 mm) is formed between an inner ring support, an outer ring support, and a rolling element of the bearing. When the plastic package brushless direct current motor is in an operation process, a voltage difference exists between an inner ring support and an outer ring support of the bearing, when the voltage difference is large enough and can break down an oil film inside the bearing, a conductive phenomenon can occur, so that the bearing is subjected to an electric corrosion condition, the service life of the bearing is influenced, and therefore a traction motor capable of balancing the voltage difference and leading out current is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent traction motor of bearing electroerosion to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a traction motor capable of preventing bearing electric corrosion comprises a traction motor body, wherein an inner end cover is fixedly installed on the right side wall of an inner bearing of the traction motor body, a first conductive block is embedded and installed on the right side wall of the traction motor body, the first conductive block is jointed with the inner end cover, the second conductive block is embedded and installed on the side wall of the traction motor body, the second conductive block is attached to the exposed iron core of the traction motor body, a conductive bar is fixedly arranged on the side wall of the traction motor body, the conductive strips are attached to the first conductive blocks and the second conductive blocks, an outer end cover is fixedly arranged on the left side wall of the outer bearing of the traction motor body, the left side wall of the outer end cover is provided with a spring groove, one end of a spring is fixedly arranged on the inner wall of the spring groove, the other end of the spring is fixedly provided with a displacement block, and the left side wall of the displacement block is fixedly provided with a T-shaped block.

Preferably, the left side wall of the traction motor body is provided with an annular groove, the inner side wall of the annular groove is hinged with four rotating blocks, and the number of the rotating blocks is four.

Preferably, a rotating block clamping block is clamped among the four rotating blocks.

Preferably, the round hole has been seted up to the left side wall of turning block fixture block, the circular recess has been seted up to the right side wall of round hole, the inner wall of round hole rotates and is connected with the round bar, the right side wall fixed mounting of round bar has the disc, the displacement piece groove has been seted up to the lateral wall of circular recess, the joint groove has been seted up to the inside wall of turning block, the inner wall sliding connection in displacement piece groove and joint groove has the fixture block, first cambered surface groove has been seted up to the lateral wall of disc, and first cambered surface groove and fixture block laminate each other, the second cambered surface groove has been seted up to the lateral wall of disc.

Preferably, a displacement plate groove is formed in the side wall of the displacement block groove, a displacement plate is fixedly mounted on the side wall of the clamping block, one end of a second spring is fixedly mounted on the inner side wall of the displacement plate, and the other end of the second spring is fixedly connected to the inner side wall of the displacement plate groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an add the electric connection structure between the inner circle support of bearing and the outer lane support, reduce the production of voltage difference, the emergence that reduces electrically conductive phenomenon has been reached, reduce the effect to bearing electroerosion phenomenon, through setting up T-shaped piece and spring, conveniently conduct electricity to outer end cover department and handle, and through setting up the structure that shelters from to the spring groove, protect it when T-shaped piece can not normal use, through setting up the turning block fixture block and to the joint structure of turning block fixture block, the fixed effect between turning block and turning block fixture block has been guaranteed, prevent that the turning block fixture block from taking place to drop.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram illustrating the rotation of the turning block of the present invention.

Fig. 3 is a detailed view of the present invention.

Fig. 4 is a left side view of the fixture block of the turning block of the present invention.

Fig. 5 is a left side sectional view of the fixture block of the turning block of the present invention.

In the figure: the device comprises a traction motor body 1, an inner end cover 2, a first conductive block 3, a second conductive block 4, a conductive bar 5, an outer end cover 6, a spring groove 7, a spring 8, a displacement block 9, a T-shaped block 10, an annular groove 11, a rotating block 12, a rotating block fixture block 13, a round hole 14, a round groove 15, a round rod 16, a round disc 17, a displacement block groove 18, a clamping groove 19, a fixture block 20, a first cambered surface groove 21, a second cambered surface groove 22, a displacement plate groove 23, a displacement plate 24 and a second spring 25.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a traction motor capable of preventing bearing electric corrosion comprises a traction motor body 1, wherein an inner end cover 2 is fixedly installed on the right side wall of an inner bearing of the traction motor body 1, a first conductive block 3 is installed on the right side wall of the traction motor body 1 in an embedded mode, the first conductive block 3 is attached to the inner end cover 2 in an attached mode, a second conductive block 4 is installed on the side wall of the traction motor body 1 in an embedded mode, the second conductive block 4 is attached to an exposed iron core portion of the traction motor body 1, a conductive bar 5 is fixedly installed on the side wall of the traction motor body 1 in an attached mode, the conductive bar 5 is attached to the first conductive block 3 and the second conductive block 4, the first conductive block 3, the second conductive block 4 and the conductive bar 5 are made of good conductive materials, graphite powder is used as a main material, water glass and engine oil are used as auxiliary materials in a mixed mode, therefore the voltage difference between an inner ring support and an outer ring support of the bearing is balanced, an outer, spring groove 7 has been seted up to the left side wall of outer end cover 6, spring groove 7's inner wall fixed mounting has the one end of spring 8, spring 8's other end fixed mounting has displacement piece 9, displacement piece 9 and spring groove 7's inner wall laminating, displacement piece 9's left side wall fixed mounting has T-shaped piece 10, T-shaped piece 10 and displacement piece 9 are the same kind of material with conducting strip 5, with the wire winding on T-shaped piece 10 when the condition allows, other end ground connection, the effect of discharging to the outer bearing is realized.

Because the installation condition of traction motor body 1 is not necessary, the connection of inconvenient earth conductor sometimes, ring channel 11 has been seted up to traction motor body 1's left side wall, and the inside wall of ring channel 11 articulates there is turning block 12, and the quantity of turning block 12 is four, shelters from spring groove 7 through turning block 12.

In order to fix the turning blocks 12 conveniently and ensure the positions of the turning blocks 12, the turning block clamping blocks 13 are clamped among the four turning blocks 12, and the left side walls of the turning blocks 12 and the turning block clamping blocks 13 are provided with indicating lines, so that when the turning block clamping blocks 13 are installed, the indicating lines are required to be corresponded.

In order to fix the turning block clamping block 13 and the turning block 12 conveniently, a round hole 14 is formed in the left side wall of the turning block clamping block 13, a round groove 15 is formed in the right side wall of the round hole 14, a round rod 16 is connected to the inner wall of the round hole 14 in a rotating mode, a disc 17 is fixedly installed on the right side wall of the round rod 16 and located in the round groove 15, a displacement block groove 18 is formed in the side wall of the round groove 15, a clamping groove 19 is formed in the inner side wall of the turning block 12, the inner walls of the displacement block groove 18 and the clamping groove 19 are connected with a clamping block 20 in a sliding mode, a first cambered surface groove 21 is formed in the side wall of the disc 17, the first cambered surface groove 21 is attached to the clamping block 20, a second cambered surface groove 22 is formed in the side wall of the disc 17, the second cambered surface groove 22 is deeper than the first cambered surface groove 21, and when the disc 17 rotates, the clamping block 20 can be adjusted to.

In order to further ensure that the fixture block 20 can be separated from the clamping groove 19 in the rotation process of the disc 17, a displacement plate groove 23 is formed in the side wall of the displacement block groove 18, a displacement plate 24 is fixedly installed on the side wall of the fixture block 20, one end of a second spring 25 is fixedly installed on the inner side wall of the displacement plate 24, and the other end of the second spring 25 is fixedly connected to the inner side wall of the displacement plate groove 23.

The working principle is as follows: the utility model relates to a traction motor capable of preventing bearing electric corrosion, when the traction motor body 1 is normally used in operation, due to the arrangement of a first conductive block 3, a second conductive block 4 and a conductive bar 5, the voltage difference between an inner ring bracket and an outer ring bracket of the bearing can be well balanced, the occurrence of conductive phenomenon is reduced, the electric corrosion phenomenon to the bearing is reduced, meanwhile, under the condition that the installation condition of the traction motor body 1 is allowed, one end of a lead is wound on a T-shaped block 10, the other end is grounded, the discharge effect to the outer bearing is realized, when the installation condition of the traction motor body 1 is not suitable for the lead to be wound on the T-shaped block 10, the T-shaped block 10 is retracted into a spring groove 7, the spring groove 7 is shielded by rotating the rotating block 12, four rotating blocks 12 are blocked by the rotating block fixture block 13, and the rotating round rod 16 enables a first cambered surface groove 21 and the fixture block 20 to, the locking block 20 is inserted into the locking groove 19, and the rotating block 12 and the rotating block locking block 13 are fixed.

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

Claims (5)

1. The utility model provides a can prevent traction motor of bearing electroerosion which characterized in that: the traction motor comprises a traction motor body (1), wherein an inner end cover (2) is fixedly installed on the right side wall of an inner bearing of the traction motor body (1), a first conductive block (3) is installed on the right side wall of the traction motor body (1) in an embedded mode, the first conductive block (3) is attached to the inner end cover (2), a second conductive block (4) is installed on the side wall of the traction motor body (1) in an embedded mode, the second conductive block (4) is attached to an exposed iron core portion of the traction motor body (1), a conductive bar (5) is fixedly installed on the side wall of the traction motor body (1), the conductive bar (5) is attached to the first conductive block (3) and the second conductive block (4), an outer end cover (6) is fixedly installed on the left side wall of an outer bearing of the traction motor body (1), a spring groove (7) is formed in the left side wall of the outer end cover (6), and one end of a spring (8) is fixedly installed on the inner wall of the, the other end of the spring (8) is fixedly provided with a displacement block (9), and the left side wall of the displacement block (9) is fixedly provided with a T-shaped block (10).

2. A traction motor for preventing electrical corrosion of bearings according to claim 1, wherein: annular groove (11) have been seted up to the left side wall of traction motor body (1), the inside wall of annular groove (11) articulates there are turning blocks (12), and the quantity of turning block (12) is four.

3. A traction motor for preventing electrical corrosion of bearings according to claim 2, wherein: and a rotating block clamping block (13) is clamped among the four rotating blocks (12).

4. A traction motor for preventing electrical corrosion of bearings according to claim 3, wherein: round hole (14) have been seted up to the left side wall of turning block fixture block (13), circular recess (15) have been seted up to the right side wall of round hole (14), the inner wall of round hole (14) rotates and is connected with round bar (16), the right side wall fixed mounting of round bar (16) has disc (17), displacement block groove (18) have been seted up to the lateral wall of circular recess (15), joint groove (19) have been seted up to the inside wall of turning block (12), the inner wall sliding connection of displacement block groove (18) and joint groove (19) has fixture block (20), first cambered surface groove (21) have been seted up to the lateral wall of disc (17), and first cambered surface groove (21) and fixture block (20) laminate each other, second cambered surface groove (22) have been seted up to the lateral wall of disc (17).

5. The traction motor of claim 4, wherein the bearing is protected from electrical corrosion by: the side wall of the displacement block groove (18) is provided with a displacement plate groove (23), the side wall of the clamping block (20) is fixedly provided with a displacement plate (24), the inner side wall of the displacement plate (24) is fixedly provided with one end of a second spring (25), and the other end of the second spring (25) is fixedly connected to the inner side wall of the displacement plate groove (23).