High-voltage motor bearing bush anti-seepage structure

Abstract

The utility model discloses a high voltage motor bearing bush anti-seepage structure, which comprises a base, a cover plate and a bearing bush, two sides of the inner wall of the bearing bush are respectively provided with an arc-shaped groove, a sealing element is attached to the inside of each groove, the sealing element is U-shaped, the two sealing elements on one side are attached, the sealing elements respectively penetrate through the cover plate and are inserted into the base, and the cover plate is fixed on the base. Rubber rings are embedded in the two sides of the U-shaped rod of the sealing piece. The arc-shaped grooves are formed in the two sides of the inner wall of the bearing bush and attached to the U-shaped sealing pieces, the sealing pieces can be tightly attached to the interior of the bearing bush, the reliable sealing effect on lubricating oil is achieved, the lubricating oil is prevented from seeping out of the two sides of the bearing bush, and the cleanliness of the equipment operation environment is guaranteed; potential safety hazards possibly caused by leakage of lubricating oil and subsequent cleaning and maintenance cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor bearing technology field, concretely is a high pressure motor bearing anti -infiltration structure. BACKGROUND

[0002] In the operation process of high pressure motor, bearing as key component, plays the important role of supporting and guaranteeing motor rotor steady rotation, however, for a long time, the lubricating oil anti -infiltration problem at bearing has been plagued the industry development.

[0003] Traditional high pressure motor bearing structure often lacks effective anti -infiltration design, merely relies on simple component cooperation, is difficult to prevent lubricating oil from infiltrating from both sides of bearing, this not only leads to the equipment surrounding environment to be lubricating oil pollution, causes ground wet, exists personnel to slip and to be injured etc. Safety hidden danger, and the leaked lubricating oil needs frequent cleaning, greatly increases the subsequent maintenance cost, and also causes the waste of lubricating oil. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high pressure motor bearing anti -infiltration structure to solve the problem in the above background technology.

[0005] To realize above -mentioned purpose, the utility model provides the following technical scheme: a high pressure motor bearing anti -infiltration structure, including base, cover plate and bearing, the inner wall both sides of bearing are all seted up arc -shaped recess, the recess inside fits with sealing element, the sealing element presents U shape, and the both sides of one side two sealing elements fit, and sealing element respectively penetrates cover plate and inserts in the inside of base, the both sides of sealing element U shape rod are inlaid with rubber ring;

[0006] The top of cover plate is provided with adjusting part, and the both sides of base are provided with auxiliary part.

[0007] Preferably, the U-shaped rod of the sealing element is provided with a groove on both sides, and a rubber ring is sleeved in the groove.

[0008] Preferably, the adjusting part includes a screw rod, the screw rod is rotatably arranged at the center of the top of the cover plate, a support plate is threadedly arranged on the outer wall of the screw rod, connecting blocks are arranged on both sides of the support plate, a through hole is formed in the center of the connecting block, the connecting block is sleeved on the outer wall of the sealing element, a first nut is arranged on the outer wall of the U-shaped rod of the sealing element, and the bottom end of the first nut is attached to the connecting block.

[0009] Preferably, the auxiliary part includes a slot rod, the slot rod is fixed on both sides of the base, a plug rod is inserted into the slot rod, a thread is formed on the bottom end of the plug rod, a second nut is arranged on the outer wall of the threaded portion of the bottom end of the plug rod, and a pressing plate is arranged on the top end of the plug rod.

[0010] Preferably, the pressing plate is provided with a strip-shaped through groove at the end away from the inserting rod.

[0011] Preferably, the bottom end of the base is provided with a cavity, and the U-shaped rod of the sealing member is exposed in the cavity after being inserted into the interior of the base.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] By means of the arc-shaped grooves formed on the inner wall of the bearing bush and the U-shaped sealing member, the sealing member can be tightly attached to the interior of the bearing bush, the lubricating oil can be reliably sealed, the lubricating oil can be prevented from seeping from the two sides of the bearing bush, the cleanliness of the equipment operation environment is ensured, the safety hidden danger caused by the lubricating oil leakage and the subsequent cleaning and maintenance cost are reduced.

[0014] The rubber rings embedded on the two sides of the U-shaped rod of the sealing member further seal the contact positions of the sealing member, the cover plate and the base, a double sealing structure is formed, the overall sealing performance is greatly enhanced, the anti-seepage effect of the lubricating oil is more stable, and the stability and reliability of the high-voltage motor operation are improved.

[0015] Precise adjustment of sealing attachment degree: the design of the adjusting member is unique, the support plate can be moved up and down by rotating the screw rod, and then the sealing member is pulled by the connecting block, the operator can accurately adjust the attachment degree of the sealing member and the output shaft according to the actual demand, the best sealing state can be ensured under different working conditions, various changes in the high-voltage motor operation are effectively adapted, and the service life of the equipment is prolonged.

[0016] The slot rod, the inserting rod, the pressing plate and the second nut in the auxiliary member cooperate, when the inserting rod is inserted into the slot rod and fixed by the second nut, the pressing plate can pull down the sealing member, pressure is applied to the sealing member from the other side, the sealing member is more closely attached to the related parts, the sealing effect is further strengthened, and all-round protection is provided for the anti-seepage of the bearing bush of the high-voltage motor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 It is a connection structure detail view in the front view section;

[0019] Figure 3 It is Figure 2 It is a connection structure detail view in the top view of the middle pressing plate;

[0020] Figure 4 It is Figure 2 It is a connection structure detail view in the side view of the middle sealing member and the motor output shaft.

[0021] In the figure: 1, base, 2, cover plate, 3, bearing, 4, sealing element, 5, rubber ring, 6, screw, 7, support plate, 8, connecting block, 9, first nut, 10, slot rod, 11, plug rod, 12, second nut, 13, pressing plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of high-pressure motor bearing anti-infiltration structure technical scheme: a kind of high-pressure motor bearing anti-infiltration structure, including base 1, cover plate 2 and bearing 3, the top of base 1 is provided with cover plate 2, the inner wall of cover plate 2 and base 1 is provided with bearing respectively, the inner wall of bearing 3 is opened with arc groove on both sides, sealing element 4 is attached in recess, sealing element 4 presents U shape, and two sealing elements 4 are attached on one side, sealing element 4 is sealed to the lubricating oil in bearing 3, prevent lubricating oil from bearing 3 two sides infiltration, sealing element 4 is respectively penetrated cover plate 2 and inserted in the inside of base 1, rubber ring 5 is embedded on the two sides of the U-shaped rod of sealing element 4, rubber ring 5 can be sealed to the contact position of sealing element and cover plate 2 and base 1, the top of cover plate 2 is provided with adjusting part, the two sides of base 1 are provided with auxiliary part, recess is opened on the two sides of the U-shaped rod of sealing element 4, rubber ring 5 is sleeved in recess.

[0024] Adjusting part includes screw 6, screw 6 rotation is set in the top center of cover plate 2, screw 6 can be pulled up when rotating support plate 7, the outer wall of screw 6 is provided with support plate 7, support plate 7 is used to provide support to connecting block 8, the two sides of support plate 7 are provided with connecting block 8, connecting block 8 is sleeved in the outer wall of sealing element 4, and connecting block 8 is moved up when being rotated to the outer wall of sealing element 4 by first nut 9, so that the fit degree of sealing element 4 and output shaft can be adjusted, through hole is opened in the center of connecting block 8, connecting block 8 is sleeved in the outer wall of sealing element 4, first nut 9 is provided on the outer wall of the U-shaped rod of sealing element 4, and the bottom end of first nut 9 is attached with connecting block 8.

[0025] The auxiliary part comprises a slot rod 10 fixed on both sides of the base 1, which is used for limiting the insertion rod 11, the insertion rod 11 is inserted into the slot rod 10, when the insertion rod 11 is inserted into the slot rod 10 through the pressing plate 13, the pressing plate 13 can be pulled down by rotating the second nut 12 at the bottom end of the slot rod 10 to the outer wall of the insertion rod 11, the bottom end of the insertion rod 11 is processed with a thread, the outer wall of the threaded part at the bottom end of the insertion rod 11 is provided with the second nut 12, the top end of the insertion rod 11 is provided with the pressing plate 13, when the pressing plate 13 moves downward, the sealing element 4 can be pulled down, a strip-shaped through slot is formed at the end of the pressing plate 13 away from the insertion rod 11, a cavity is formed at the bottom end of the base 1, and the U-shaped rod of the sealing element 4 is partially exposed in the cavity after being inserted into the base 1.

[0026] Working principle: when the high-voltage motor bearing bush anti-seepage structure is used for the first time, the staff first installs the bearing bush 3 on the base 1, then inserts the sealing element 4 into the arc-shaped groove of the bearing bush 3, and then uses a hoisting device to turn the high-voltage motor output shaft into the top end of the bearing bush 3, when the motor output shaft is put into the top end of the bearing bush 3, the gravity of the output shaft tightly embeds the sealing element 4 in the bearing bush 3, then the staff inserts the sealing element 4 into the reserved insertion hole of the base 1 through the opening of the sealing element 4 and the outer wall of the output shaft, then the staff puts the cover plate 2 on the top end of the output shaft, after the cover plate 2 is attached to the base 1, the sealing element 4 exposed at the top end of the cover plate 2 passes through the cover plate 2 from the opening, then the screw rod 6 is rotated, the supporting plate 7 is moved downward by rotating the screw rod 6, the supporting plate 7 drives the connecting block 8 to move downward during the moving process, the connecting block 8 is sleeved on the outer wall of the sealing element 4, then the first nut 9 is rotated to the outer wall of the sealing element 4 to limit the connecting block 8, after the connecting block 8 is limited, the screw rod 6 is reversely rotated to lift the supporting plate 7 upward, the sealing element 4 is pulled upward by the connecting block 8 and the first nut 9 during the lifting process of the supporting plate 7, after the adjustment of one of the sealing elements 4 is completed, the staff inserts the pressing plate 13 into the cavity of the base 1, and then the pressing plate 13 is sleeved on the outer wall of the sealing element 4 away from the opening and connected with the sealing element 4 away from the opening, then the insertion rod 11 is inserted into the slot rod 10 through the pressing plate 13, after the insertion, the staff rotates the second nut 12 from the bottom end of the slot rod 10 to the outer wall of the insertion rod 11 to make it tighter, the second nut 12 makes the insertion rod 11 drive the pressing plate 13 to move downward to pull and adjust the sealing element 4.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-voltage motor bearing bush anti-seepage structure, comprising a base (1), a cover plate (2) and a bearing bush (3), characterized in that, The inner wall of the bearing bush (3) is provided with arc-shaped grooves on both sides, the inside of the grooves is attached with sealing elements (4), the sealing elements (4) are U-shaped, and the two sealing elements (4) on one side are attached, the sealing elements (4) penetrate the cover plate (2) and are inserted into the inside of the base (1) respectively, and the two sides of the U-shaped rod of the sealing element (4) are inlaid with rubber rings (5). The top end of the cover plate (2) is provided with an adjusting element, and the two sides of the base (1) are provided with auxiliary elements.

2. The anti-seepage structure of a high-voltage motor bearing bushing according to claim 1, characterized in that, The U-shaped rod of the sealing element (4) is provided with grooves on both sides, and the inside of the grooves is sleeved with rubber rings (5).

3. The anti-seepage structure of a high-voltage motor bearing bushing according to claim 1, characterized in that, The adjusting element comprises a screw rod (6), the screw rod (6) is rotationally arranged at the top end center of the cover plate (2), the outer wall of the screw rod (6) is threadedly provided with a supporting plate (7), the two sides of the supporting plate (7) are provided with connecting blocks (8), the center of the connecting block (8) is provided with a through hole, the connecting block (8) is sleeved on the outer wall of the sealing element (4), the U-shaped rod of the sealing element (4) is provided with a first nut (9), and the bottom end of the first nut (9) is attached with the connecting block (8).

4. The high voltage motor bearing shell barrier according to claim 1, wherein, The auxiliary element comprises a groove rod (10), the groove rod (10) is fixed on the two sides of the base (1), the inside of the groove rod (10) is inserted with a plug rod (11), the bottom end of the plug rod (11) is partially threaded, the outer wall of the threaded part of the bottom end of the plug rod (11) is provided with a second nut (12), and the top end of the plug rod (11) is provided with a pressing plate (13).

5. The high voltage motor bearing shell barrier according to claim 4, wherein, The end of the pressing plate (13) away from the plug rod (11) is provided with a strip-shaped through groove.

6. The high voltage motor bearing shell barrier according to claim 1, wherein, The bottom end of the base (1) is provided with a cavity, and the U-shaped rod of the sealing element (4) is partially exposed in the cavity after being inserted into the inside of the base (1).

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