CN115208112A

CN115208112A - Thrust bearing adjusting device of large vertical motor and upper shell

Info

Publication number: CN115208112A
Application number: CN202210810505.9A
Authority: CN
Inventors: 朱晓龙; 陆新苇
Original assignee: SUZHOU JUNENG GENERATOR COROLLARY EQUIPMENT CO Ltd
Current assignee: SUZHOU JUNENG GENERATOR COROLLARY EQUIPMENT CO Ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-10-18
Anticipated expiration: 2042-07-11
Also published as: CN115208112B

Abstract

The invention provides a thrust bearing adjusting device of a large vertical motor and an upper shell, which comprise an oil cavity, wherein a thrust bearing seat is arranged on the bottom wall of the oil cavity, a supporting seat is arranged in the thrust bearing seat, a group of adjusting screws are arranged on the supporting seat, supporting pieces are arranged at the upper ends of the adjusting screws, thrust shoes are arranged on the supporting pieces, each adjusting screw comprises a screwing section, an adjusting plate is sleeved on the screwing section, a clamping groove is formed in one end of the adjusting plate, the screwing section is arranged in the clamping groove, and one end, far away from the clamping groove, of the adjusting plate extends out of the thrust bearing seat. Need not to use the spanner to stretch into between supporting seat and the support piece in addition, adjust, reduced the operation degree of difficulty of adjusting the thrust tile, promote work efficiency. In addition, because the metal sheet can be selected for use to the regulating plate, consequently can practice thrift the spanner space between support piece and the supporting seat to need not to reserve observation space, can improve thrust bearing adjusting device's compact degree, promote axial space utilization.

Description

Thrust bearing adjusting device of large vertical motor and upper shell

Technical Field

The invention relates to the technical field of manufacturing of large vertical motors, in particular to a thrust bearing adjusting device of a large vertical motor and an upper shell.

Background

The utility model discloses a chinese utility model patent of application number 201220550760.6 discloses a "fastening structure of upright motor thrust bearing support screw", through set up a pretension nut on the support screw among the technical scheme that this patent was disclosed, through fastening pretension nut, greatly increased support screw pretightning force on the thrust bearing ring seat. Like this, in the use, because the pretightning force of having increased the pillar screw, can not take place to become flexible because of factors such as vibrations, and then avoid the axle bush slope, prevent the wearing and tearing of axle bush. With reference to fig. 1 and 2 of the specification, it can be seen that when adjusting the strut screw, an external hexagonal wrench is required to be used to extend between the bearing bush and the bearing ring seat, and the pre-tightening nut is loosened, then the strut screw is rotated to adjust, and finally the pre-tightening nut is fastened. Therefore, the technical scheme can cause the operation of bearing adjustment to be complex and influence the working efficiency. In addition, when the interval between axle bush and the bearing ring seat was too narrow, can lead to not having sufficient spanner space to stretch into, even just have enough thin spanner to stretch into, also do not observe the space and ensure that the draw-in groove of spanner can overlap on pretension nut and pillar screw. Consequently, adopt the technical scheme design of this patent, need reserve spanner space and observation space, lead to thrust bearing adjusting device's compact structure degree not high, axial space utilization is not enough.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the thrust bearing adjusting device for the large vertical motor, which does not need to extend into a position between the supporting seat and the supporting piece by using a wrench additionally for adjusting, reduces the operation difficulty of adjusting the thrust bearing, and improves the working efficiency.

In order to achieve the purpose, the invention is realized by the following technical scheme: a thrust bearing adjustment device for a large vertical motor, comprising: the oil cavity, the oil cavity diapire is equipped with thrust bearing frame, be equipped with the supporting seat in the thrust bearing frame, be equipped with a set of adjusting screw on the supporting seat, adjusting screw and thrust bearing frame threaded connection, the adjusting screw upper end is equipped with support piece, is equipped with the thrust tile on the support piece shown, adjusting screw can push up support piece and drive the thrust tile and reciprocate. Wherein, adjusting screw revolves the section including revolving, revolve wrong section setting between supporting seat and support piece, revolve to twist the section and go up the cover and be equipped with the regulating plate, regulating plate one end is equipped with the draw-in groove, revolve wrong section setting in the draw-in groove, the regulating plate is kept away from draw-in groove one end and is extended the thrust bearing outside.

In the above device, the invention provides a thrust bearing adjusting device for a large vertical motor, which has the following principle: the adjusting plate is arranged on the screwing section of the adjusting screw, one end, far away from the clamping groove, of the adjusting plate is the handle portion of the adjusting plate, and the handle portion extends out of the position between the supporting seat and the supporting piece. Therefore, the adjusting screw can be adjusted to rotate only by rotating the adjusting plate, and the supporting piece and the thrust pad are driven to move up and down so as to achieve the purpose of adjusting the height of the thrust pad. Consequently, need not to use the spanner to stretch into between supporting seat and the support piece in addition, adjust, reduced the operation degree of difficulty of adjusting the thrust tile, promote work efficiency. In addition, because the metal sheet can be selected for use to the regulating plate, consequently can practice thrift the spanner space between support piece and the supporting seat to need not to reserve observation space, can improve thrust bearing adjusting device's compact degree, promote axial space utilization.

Further, the thrust bearing adjusting device for the large vertical motor is characterized in that an arc groove is formed in the adjusting plate in a penetrating mode, the circle center of the arc groove coincides with the rotating center of the adjusting screw, and the supporting seat is connected with a locking screw which is arranged in the arc groove. As the preferred scheme of the invention, when the adjusting plate is adjusted and rotated, the arc groove plays a role of a guide groove, and the limit of the locking screw ensures that the clamping groove and the screwing section are always circumferentially fixed, so that the adjusting plate is prevented from shifting and slipping during operation. After the adjustment is completed, the locking screw is screwed, the locking screw plays a role in fixing the adjusting plate and also plays a role in preventing loosening for limiting the rotation of the adjusting screw.

Furthermore, the large vertical motor thrust bearing adjusting device is characterized in that the locking screw is arranged on the outer side of the supporting seat. As the preferable scheme of the invention, the tightening operation of the locking screw is convenient.

Furthermore, the thrust bearing adjusting device for the large vertical motor is characterized in that the supporting seat is provided with a detachable screw sleeve, a screw hole is formed in the screw sleeve, and the adjusting screw is arranged in the screw hole. As a preferable aspect of the present invention, since the adjustment screw needs to be frequently adjusted, the screw hole of the support seat, which is engaged with the adjustment screw, is worn after a long-term use, and thus the present invention is not applicable. Because adjusting screw's position is fixed unchangeable, consequently can't newly open the screw on the supporting seat to the supporting seat is whole welding usually at the oil pocket diapire, need wholly demolish the supporting seat during the change, expend man-hour. Consequently set up the screw sleeve on the supporting seat, screw sleeve accessible screwed connection or spot welding are fixed on the supporting seat, and adjusting screw sets up in the screw, when the screw takes place wearing and tearing, only need to change the screw sleeve can. Therefore, the structure has the characteristic of convenient maintenance and replacement.

Furthermore, the thrust bearing adjusting device for the large vertical motor is characterized in that the thrust pads are circumferentially and uniformly arranged, a limiting block is arranged between every two adjacent thrust pads, and the limiting block is fixed to the upper end of the thrust bearing seat. As the preferred scheme of the invention, when the motor runs, the thrust pads can deviate towards the rotation direction of the rotor, so that the limiting blocks are arranged between the thrust pads to ensure the circumferential positioning of the thrust pads.

Furthermore, the thrust bearing adjusting device for the large vertical motor is characterized in that a positioning groove is formed in the side wall, close to the limiting block, of the thrust tile, a limiting clamping plate is arranged at the upper end of the limiting block, two sides of the limiting clamping plate are arranged between the adjacent pair of positioning grooves, and the thickness of the limiting clamping plate is smaller than the width of the positioning groove. As the preferable scheme of the invention, the matching of the limiting clamping plate and the positioning groove is used for preventing the thrust pad from moving up and down and passing over the position during adjustment.

Furthermore, a large-scale vertical motor thrust bearing adjusting device, thrust bearing seat upper end is equipped with stop screw, stop screw upper end lateral wall with the outside wall laminating of thrust tile bottom corresponds stop screw be equipped with the spacing groove in the outer fringe of thrust tile bottom. As a preferable scheme of the invention, the limiting screw is used for radially positioning the thrust pad, so that the stability of the thrust pad in the radial direction is ensured.

An upper shell of a large vertical motor comprises a shell and the thrust bearing adjusting device of the large vertical motor. The oil cavity is arranged in the shell, a thrust head is arranged on the thrust tile, the thrust head is rotatably arranged in the oil cavity, an annular radiator is arranged in the oil cavity, the annular radiator is arranged on the outer side of the thrust bearing seat, a partition plate is fixed to the upper end of the thrust bearing seat and is annular, the edge of the outer ring of the partition plate extends to the inner side wall of the annular radiator, and the edge of the inner ring of the partition plate is fixed to the upper end of the thrust bearing seat.

Based on the structure, the isolation plate is arranged to prevent the oil in the oil cavity from generating vortex in the rotating process of the motor, so that the cavity is formed in the center, and parts at the cavity are abraded or even damaged due to insufficient lubrication and heat dissipation. In addition, the oil can be higher than the limiting pipe in the oil cavity after generating the vortex, and overflows from the limiting pipe, so that the oil shortage in the oil cavity is caused. Through set up the division board in the upper end of thrust bearing seat, avoid the fluid of division board below to be driven the rotation by the thrust collar and produce the swirl, can guarantee the stability of fluid in the oil pocket at the motor rotation in-process, prevent that the oil pocket is inside to produce the swirl.

Furthermore, the oil cavity of the large-scale vertical motor thrust bearing adjusting device is connected with an oil level monitor, the oil level monitor comprises a mounting seat, a plug rod and an oil level indicator, the mounting seat is provided with an oil inlet hole and an oil outlet hole, the oil level indicator is connected to the oil outlet hole, the oil inlet hole is connected with the oil cavity through a pipeline, the oil inlet hole is provided with a plug rod hole in an extending mode, the plug rod hole extends outwards to form a side wall of the mounting seat, the oil outlet hole is communicated with the side wall of the plug rod hole, and the plug rod is arranged in the plug rod hole; the plug rod axially moves towards one side of the oil inlet hole, so that an oil way between the oil inlet hole and the oil outlet hole can be disconnected, and the plug rod axially moves towards one side of the oil inlet hole, so that the oil way between the oil inlet hole and the oil outlet hole can be opened. As the preferable scheme of the invention, the oil level gauge needs to be replaced during later maintenance, because the oil level gauge is connected with the oil cavity, when the oil level gauge is removed, oil in the oil cavity can overflow from the pipeline to cause waste, and because the temperature of the oil in the oil cavity is higher, the overflowing oil can scald maintenance personnel. By arranging the mounting seat and the plug rod, when the oil level meter needs to be removed, the oil inlet and the oil outlet can be disconnected only by moving out the plug rod, so that oil is prevented from overflowing; and installing an oil level timer, and moving the plug rod in so that oil paths of the oil inlet hole and the oil outlet hole are smooth. The oil level timing oil level detection device has the advantages of being convenient to operate and capable of preventing oil level timing oil from overflowing to cause waste and damage.

Furthermore, a large-scale vertical motor thrust bearing adjusting device, the stopper rod includes first screw thread section and second screw thread section, be equipped with the connecting rod between first screw thread section and the second screw thread section, first screw thread section and second screw thread section and stopper rod hole threaded connection, first screw thread section diameter is less than the inlet port, the connecting rod diameter is less than the stopper rod hole, the connector between oil outlet and the stopper rod hole sets up between first screw thread section and second screw thread section. As a preferred scheme of the invention, the first thread section and the second thread section are single-lead thread formed by integral processing, when the plug rod is screwed in, the first thread section is integrally arranged in the oil inlet hole, because the diameter of the first thread section is smaller than that of the oil inlet hole, and the diameter of the connecting rod is smaller than that of the plug rod hole, oil can flow from the oil inlet hole, the plug rod hole and the oil outlet hole, oil passages of the oil inlet hole and the oil outlet hole are smooth, and because the second thread section is matched with the plug rod hole, the oil cannot flow out from the outer end of the plug rod hole. When the plug rod is screwed out, the first thread section is connected with one end of an oil inlet of the plug rod Kong Jin, so that an oil path between the oil inlet and the plug rod is cut off, the oil inlet and the oil outlet are disconnected, and oil does not overflow when oil level timing is dismounted. Has the advantages of simple structure and convenient operation.

The technical scheme shows that the invention has the following beneficial effects:

1. the invention provides a thrust bearing adjusting device of a large vertical motor. Therefore, the adjusting screw can be adjusted to rotate only by rotating the adjusting plate, and the supporting piece and the thrust pad are driven to move up and down so as to achieve the purpose of adjusting the height of the thrust pad. Consequently, need not to use the spanner to stretch into between supporting seat and the support piece in addition, adjust, reduced the operation degree of difficulty of adjusting the thrust tile, promote work efficiency. In addition, because the metal sheet can be selected for use to the regulating plate, consequently can practice thrift the spanner space between support piece and the supporting seat to need not to reserve observation space, can improve thrust bearing adjusting device's compact degree, promote axial space utilization.

2. The invention provides a thrust bearing adjusting device of a large-scale vertical motor, wherein a screw sleeve is arranged on a supporting seat, the screw sleeve can be fixed on the supporting seat through screw connection or spot welding, an adjusting screw is arranged in a screw hole, and when the screw hole is abraded, only the screw sleeve needs to be replaced. Therefore, the structure has the characteristic of convenient maintenance and replacement.

3. The invention provides an upper shell of a large vertical motor, which is provided with a separation plate to prevent oil in an oil cavity from generating vortex in the rotating process of the motor so as to form a cavity in the center, and further prevent parts in the cavity from being abraded and even damaged due to insufficient lubrication and heat dissipation. In addition, the oil can be higher than the limiting pipe in the oil cavity after generating the vortex, and overflows from the limiting pipe, so that the oil shortage in the oil cavity is caused. Through set up the division board in the upper end of thrust bearing seat, avoid the fluid of division board below to be driven the rotation by the thrust collar and produce the swirl, can guarantee the stability of fluid in the oil pocket at the motor rotation in-process, prevent that the oil pocket is inside to produce the swirl.

4. The invention provides an upper shell of a large vertical motor, which is characterized in that an installation seat and a plug rod are arranged, when an oil level meter needs to be removed, an oil inlet hole and an oil outlet hole can be disconnected only by moving out the plug rod, and oil is prevented from overflowing; and installing an oil level timer, and moving the plug rod in so that oil paths of the oil inlet hole and the oil outlet hole are smooth. The oil level timing oil level detection device has the advantages of being convenient to operate and preventing oil level timing oil from overflowing to cause waste and damage.

Drawings

Fig. 1 is a schematic structural diagram of an upper housing of a large vertical motor according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at circle A;

FIG. 3 is a top view of the adjustment plate of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 1 at circle B;

FIG. 5 is a cross-sectional view of the corresponding position of the limiting block and the limiting clamping plate in FIG. 4;

fig. 6 is a schematic connection diagram of the oil level monitor of the upper housing of the large vertical motor according to the present invention;

fig. 7 is a schematic structural diagram of the oil level monitor of the upper housing of the large vertical motor according to the present invention.

In the figure: 1-an oil chamber; 11-a limiting pipe; 2-a thrust bearing seat; 20-a support seat; 201-screw sleeve; 2011-screw hole; 21-an adjusting screw; 211-a screwing section; 212-an adjusting plate; 2121-card slot; 2122-arc groove; 22-a support; 23-locking screws; 24-a separator plate; 25-a limiting block; 251-a limit clamping plate; 26-a limit screw; 3-thrust pad; 31-a positioning groove; 32-a limiting groove; 4-a shell; 5-a thrust collar; 6-annular radiator; 7-oil level monitor; 71-a mounting seat; 711-oil inlet hole; 712-oil outlet holes; 713-a stopper rod bore; 72-a stopper rod; 721-a first thread segment; 722-a second thread segment; 723-connecting rod; 73-oil level gauge.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

Combine a large-scale vertical motor thrust bearing adjusting device that fig. 2 and fig. 3 show, including

oil pocket

1, 1 diapire in oil pocket is equipped with thrust bearing frame 2, be equipped with supporting seat 20 in the thrust bearing frame 2, be equipped with a set of adjusting screw 21 on the supporting seat 20, adjusting

screw

21 and 2 threaded connection of thrust bearing frame, adjusting screw 21 upper end is equipped with support piece 22, is equipped with thrust tile 3 on the support piece 22 shown, adjusting screw 21 can push up support piece 22 and drive thrust tile 3 and reciprocate. Wherein, adjusting screw 21 revolves section 211 including revolving, revolve section 211 and set up between supporting seat 20 and support piece 22, revolve and revolve the section 211 and go up the cover and be equipped with regulating plate 212, regulating plate 212 one end is equipped with draw-in groove 2121, revolve section 211 and set up in draw-in groove 2121 soon, regulating plate 212 is kept away from draw-in groove 2121 one end and is extended thrust bearing seat 2 outside.

Based on the above structure, the thrust bearing adjusting device of the large vertical motor in the embodiment has the following principle: by providing an adjustment plate 212 on the threaded section 211 of the adjustment screw 21, the end of the adjustment plate 212 remote from the slot 2121, i.e., the shank of the adjustment plate 212, is extended out between the support base 20 and the support 22. Therefore, the adjusting screw 21 can be adjusted to rotate only by rotating the adjusting plate 212, and the supporting member 22 and the thrust pad 3 are driven to move up and down, so as to achieve the purpose of adjusting the height of the thrust pad 3. Therefore, a wrench does not need to be additionally used to extend between the supporting seat 20 and the supporting piece 22 for adjustment, the operation difficulty of adjusting the thrust shoe 3 is reduced, and the working efficiency is improved. In addition, because the metal sheet can be selected for the regulating plate 212, the wrench space between the supporting piece 22 and the supporting seat 20 can be saved, the observation space does not need to be reserved, the compactness of the thrust bearing regulating device can be improved, and the axial space utilization rate is improved.

Referring to fig. 3, in this embodiment, an arc groove 2122 is formed in the adjusting plate 212 in a penetrating manner, a circle center of the arc groove 2122 coincides with a rotation center of the adjusting screw 21, the supporting seat 20 is connected with a locking screw 23, and the locking screw 23 is disposed in the arc groove 2122. When the adjusting plate 212 is adjusted and rotated, the arc groove 2122 plays a role of a guide groove, and due to the limitation of the locking screw 23, the clamping groove 2121 is ensured to be fixed with the screwing section 211 in the circumferential direction all the time, so that the adjusting plate 212 is prevented from shifting and slipping during operation. When the adjustment is completed, the locking screw 23 is screwed, and the locking screw 23 plays a role in fixing the adjustment plate 212 and also plays a role in preventing looseness of the rotation of the adjustment screw 21. And, the locking screw 23 is provided at an outer side of the support base 20. The tightening and loosening operation of the locking screw 23 is facilitated.

Referring to fig. 2, in this embodiment, a detachable screw sleeve 201 is disposed on the support base 20, a screw hole 2011 is disposed in the screw sleeve 201, and the adjusting screw 21 is disposed in the screw hole 2011. Since the adjusting screw 21 needs to be adjusted frequently, the screw hole on the supporting seat 20, which is engaged with the adjusting screw 21, is worn after long-term use, and thus the adjusting screw cannot be used. Since the position of the adjusting screw 21 is fixed, a new screw hole cannot be formed in the support seat 20, and the support seat 20 is generally integrally welded to the bottom wall of the oil chamber 1, the support seat 20 needs to be integrally removed during replacement, which consumes labor hours. Therefore, the screw sleeve 201 is arranged on the supporting seat 20, the screw sleeve 201 can be fixed on the supporting seat 20 through screw connection or spot welding, the adjusting screw 21 is arranged in the screw hole 2011, and when the screw hole 2011 is worn, only the screw sleeve 201 needs to be replaced. Therefore, the structure has the characteristic of convenient maintenance and replacement.

As shown in fig. 4 and 5, in this embodiment, the thrust pads 3 are circumferentially and uniformly arranged, a limiting block 25 is disposed between adjacent thrust pads 3, and the limiting block 25 is fixed at the upper end of the thrust bearing block 2. When the motor is in operation, thrust tile 3 can take place the skew towards rotor rotation direction, consequently sets up stopper 25 between thrust tile 3 to guarantee thrust tile 3's circumference location. And the thrust tile 3 is provided with positioning grooves 31 near the side wall of the limiting block 25, the upper end of the limiting block 25 is provided with a limiting clamping plate 251, two sides of the limiting clamping plate 251 are arranged between a pair of adjacent positioning grooves 31, and the thickness of the limiting clamping plate 251 is smaller than the width of the positioning groove 31. The limiting clamping plate 251 is matched with the positioning groove 31 to prevent the thrust shoe 3 from moving up and down to be over positioned during adjustment. In addition, the upper end of the thrust bearing seat 2 is provided with a limit screw 26, the side wall of the upper end of the limit screw 26 is attached to the outer side wall of the bottom of the thrust tile 3, and a limit groove 32 is formed in the outer edge of the bottom of the thrust tile 3 corresponding to the limit screw 26. The limiting screw 26 is used for radially positioning the thrust pad 3, and the stability of the thrust pad 3 in the radial direction is ensured.

Example 2

Referring to fig. 1 and 2, an upper housing of a large vertical motor comprises a housing 4, and includes an embodiment 1, wherein the housing 4 is provided with an oil chamber 1, a thrust collar 5 is provided on a thrust shoe 3, the thrust collar 5 is rotatably provided in the oil chamber 1, an annular heat sink 6 is provided in the oil chamber 1, the annular heat sink 6 is provided outside a thrust bearing housing 2, a partition plate 24 is fixed on the upper end of the thrust bearing housing 2, the partition plate 24 is annular, the outer edge of the partition plate 24 extends to the inner side wall of the annular heat sink 6, and the inner edge of the partition plate 24 is fixed on the upper end of the thrust bearing housing 2.

Based on the structure, the isolation plate 24 is arranged to prevent the oil in the oil cavity 1 from generating vortex in the rotation process of the motor, so that a cavity is formed in the center, and parts in the cavity are abraded or even damaged due to insufficient lubrication and heat dissipation. In addition, the oil liquid is higher than the limiting pipe 11 in the oil cavity 1 after generating vortex, and overflows from the limiting pipe 11, so that the oil in the oil cavity 1 is lack. Through set up division board 24 in the upper end of thrust bearing frame 2, avoid the fluid of division board 24 below to be driven rotatory vortex that produces by thrust collar 5, can guarantee the stability of the fluid in oil pocket 1 at the motor rotation in-process, prevent that oil pocket 1 is inside to produce the vortex.

Referring to fig. 6 and 7, in the present embodiment, an oil level monitor 7 is connected to the oil chamber 1, the oil level monitor 7 includes an installation seat 71, a plug rod 72 and an oil level indicator 73, an oil inlet 711 and an oil outlet 712 are provided on the installation seat 71, the oil level indicator 73 is connected to the oil outlet 712, the oil inlet 711 is connected to the oil chamber 1 through a pipeline, the oil inlet 711 extends to form a plug rod hole 713, the plug rod hole 713 extends outward to form a side wall of the installation seat 71, the oil outlet 712 is communicated with a side wall of the plug rod hole 713, and the plug rod 72 is disposed in the plug rod hole 713; the plug rod 72 axially moves towards the side far away from the oil inlet hole 711 to cut off the oil path between the oil inlet hole 711 and the oil outlet hole 712, and the plug rod 72 axially moves towards the side of the oil inlet hole 711 to open the oil path between the oil inlet hole 711 and the oil outlet hole 712. Because, need change oil level gaugember 73 when later stage maintenance, because oil level gaugember 73 links to each other with oil pocket 1, when demolising oil level gaugember 73, fluid in the oil pocket 1 can spill over from the pipeline, causes the waste to because the inside fluid temperature of oil pocket 1 is higher, maintenance personal can be scalded to the fluid that spills over. By arranging the mounting seat 71 and the plug rod 72, when the oil level gauge 73 needs to be removed, the oil inlet 711 and the oil outlet 712 can be disconnected only by moving out the plug rod 72, so that oil is prevented from overflowing; when the oil level gauge 73 is installed, the plug 72 is moved in so that the oil inlet hole 711 and the oil outlet hole 712 have a smooth oil path. The oil level gauge 73 is convenient to operate, and waste and damage caused by oil overflow when the oil level gauge is replaced are prevented. In this embodiment, the plug rod 72 includes a first thread section 721 and a second thread section 722, a connecting rod 723 is disposed between the first thread section 721 and the second thread section 722, the first thread section 721 and the second thread section 722 are in threaded connection with the plug rod hole 713, the diameter of the first thread section 721 is smaller than that of the oil inlet hole 711, the diameter of the connecting rod 723 is smaller than that of the plug rod hole 713, and a connecting port between the oil outlet hole 712 and the plug rod hole 713 is disposed between the first thread section 721 and the second thread section 722. The first thread section 721 and the second thread section 722 are single-lead thread formed by integral processing, when the plug rod 72 is screwed in, the first thread section 721 is integrally arranged in the oil inlet hole 711, because the diameter of the first thread section 721 is smaller than that of the oil inlet hole 711, and the diameter of the connecting rod 723 is smaller than that of the plug rod hole 713, oil can flow from the oil inlet hole 711, the plug rod hole 713 and the oil outlet hole 712, oil passages of the oil inlet hole 711 and the oil outlet hole 712 are smooth, and because the second thread section 722 is matched with the plug rod hole 713, the oil cannot flow out from the outer end of the plug rod hole 713. When the plug rod 72 is screwed out, the first threaded section 721 is connected to the end of the plug rod hole 713 near the oil inlet hole 711, so that the oil path between the oil inlet hole 711 and the plug rod hole 713 is cut off, the oil inlet hole 711 and the oil outlet hole 712 are disconnected, and oil does not overflow when the oil level indicator 73 is removed. Has the advantages of simple structure and convenient operation.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A thrust bearing adjusting device of a large vertical motor comprises an oil cavity (1), wherein a thrust bearing seat (2) is arranged on the bottom wall of the oil cavity (1), a supporting seat (20) is arranged in the thrust bearing seat (2), a group of adjusting screws (21) are arranged on the supporting seat (20), the adjusting screws (21) are in threaded connection with the thrust bearing seat (2), a supporting piece (22) is arranged at the upper end of each adjusting screw (21), a thrust tile (3) is arranged on each supporting piece (22), and each adjusting screw (21) can push each supporting piece (22) to drive each thrust tile (3) to move up and down; the method is characterized in that: adjusting screw (21) are including revolving section (211), revolve section (211) and set up between supporting seat (20) and support piece (22), revolve section (211) of revolving and go up the cover and be equipped with regulating plate (212), regulating plate (212) one end is equipped with draw-in groove (2121), revolve section (211) of revolving and set up in draw-in groove (2121), regulating plate (212) are kept away from draw-in groove (2121) one end and are extended thrust bearing seat (2) outside.

2. The thrust bearing adjusting device for the large vertical motor according to claim 1, wherein: wear to be equipped with arc groove (2122) on regulating plate (212), the centre of a circle of arc groove (2122) and the center of rotation coincidence of adjusting screw (21), be connected with locking screw (23) on supporting seat (20), locking screw (23) set up in arc groove (2122).

3. The thrust bearing adjusting device for the large-scale vertical motor according to claim 2, wherein: the locking screw (23) is arranged on the outer side of the supporting seat (20).

4. The thrust bearing adjusting device for the large vertical motor according to claim 1, wherein: be equipped with detachable screw sleeve (201) on supporting seat (20), be equipped with screw (2011) in screw sleeve (201), adjusting screw (21) set up in screw (2011).

5. The thrust bearing adjusting device for the large vertical motor according to claim 1, wherein: thrust tile (3) are circumference and evenly set up, and are adjacent be equipped with stopper (25) between thrust tile (3), stopper (25) are fixed in thrust bearing seat (2) upper end.

6. The thrust bearing adjusting device for the large-scale vertical motor according to claim 5, wherein: the thrust tile (3) is close to the side wall of the limiting block (25) and is provided with a positioning groove (31), the upper end of the limiting block (25) is provided with a limiting clamping plate (251), two sides of the limiting clamping plate (251) are arranged between the adjacent pair of positioning grooves (31), and the thickness of the limiting clamping plate (251) is smaller than the width of the positioning grooves (31).

7. The thrust bearing adjusting device for the large vertical motor according to claim 6, wherein: thrust bearing seat (2) upper end is equipped with stop screw (26), stop screw (26) upper end lateral wall with the outside wall laminating of thrust tile (3) bottom corresponds stop screw (26) be equipped with spacing groove (32) in the outer fringe of thrust tile (3) bottom.

8. The utility model provides a large-scale vertical motor upper shell, includes casing (4), its characterized in that: including any of claims 1-7 a large-scale vertical motor thrust bearing adjusting device, oil pocket (1) sets up in casing (4), be equipped with thrust collar (5) on thrust tile (3), thrust collar (5) rotate to set up in oil pocket (1), be equipped with annular radiator (6) in oil pocket (1), annular radiator (6) set up in thrust bearing frame (2) outside, thrust bearing frame (2) upper end is fixed with division board (24), division board (24) are the annular, division board (24) outer lane edge extends to annular radiator (6) inside wall, division board (24) inner circle edge is fixed in thrust bearing frame (2) upper end.

9. The large-scale vertical motor upper casing of claim 8, wherein: the oil level monitoring device is characterized in that an oil level monitor (7) is connected to the oil cavity (1), the oil level monitor (7) comprises a mounting seat (71), a plug rod (72) and an oil level indicator (73), an oil inlet hole (711) and an oil outlet hole (712) are formed in the mounting seat (71), the oil level indicator (73) is connected to the oil outlet hole (712), the oil inlet hole (711) is connected with the oil cavity (1) through a pipeline, the plug rod hole (713) extends from the oil inlet hole (711), the side wall of the mounting seat (71) extends outwards from the plug rod hole (713), the oil outlet hole (712) is communicated with the side wall of the plug rod hole (713), and the plug rod (72) is arranged in the plug rod hole (713); the plug rod (72) axially moves towards one side far away from the oil inlet hole (711) and can cut off an oil way between the oil inlet hole (711) and the oil outlet hole (712), and the plug rod (72) axially moves towards one side of the oil inlet hole (711) and can open the oil way between the oil inlet hole (711) and the oil outlet hole (712).

10. The large-scale vertical motor upper casing of claim 9, characterized in that: the plug rod (72) comprises a first thread section (721) and a second thread section (722), a connecting rod (723) is arranged between the first thread section (721) and the second thread section (722), the first thread section (721) and the second thread section (722) are in threaded connection with a plug rod hole (713), the diameter of the first thread section (721) is smaller than that of an oil inlet hole (711), the diameter of the connecting rod (723) is smaller than that of the plug rod hole (713), and a connecting port between the oil outlet hole (712) and the plug rod hole (713) is arranged between the first thread section (721) and the second thread section (722).