CN116140923A - Main bearing hot sleeve pressing device of wind turbine generator - Google Patents

Main bearing hot sleeve pressing device of wind turbine generator Download PDF

Info

Publication number
CN116140923A
CN116140923A CN202310125749.8A CN202310125749A CN116140923A CN 116140923 A CN116140923 A CN 116140923A CN 202310125749 A CN202310125749 A CN 202310125749A CN 116140923 A CN116140923 A CN 116140923A
Authority
CN
China
Prior art keywords
block
main shaft
semicircular
wind turbine
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310125749.8A
Other languages
Chinese (zh)
Inventor
于帅池
苗大庆
王辰诺
王占坤
牛兆鑫
张伟利
徐海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Liaoning Clean Energy Co ltd
Original Assignee
Huaneng Liaoning Clean Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Liaoning Clean Energy Co ltd filed Critical Huaneng Liaoning Clean Energy Co ltd
Priority to CN202310125749.8A priority Critical patent/CN116140923A/en
Publication of CN116140923A publication Critical patent/CN116140923A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • B23P11/025Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to the technical field of wind power generation, in particular to a main bearing hot sleeve compressing device of a wind turbine generator, which comprises a box body, wherein a joint block is integrally arranged at the center of an inner bottom plate of the box body, a main shaft is placed on the joint block, a baffle plate and a bearing are sequentially sleeved on the main shaft, compressing mechanisms are symmetrically arranged at two sides of the main shaft in the box body, each compressing mechanism consists of a moving block, a connecting plate, a semicircular pressing plate and a semicircular mounting block, the bottom of each semicircular mounting block is welded with the upper surface of the corresponding moving block, a heat absorbing plate is arranged at the top of the inner wall of each semicircular mounting block, an auxiliary heating component is arranged in the position of each semicircular mounting block, and is used for maintaining the temperature of the bearing.

Description

Main bearing hot sleeve pressing device of wind turbine generator
Technical Field
The invention relates to the technical field of wind power generation, in particular to a main bearing hot sleeve pressing device of a wind turbine generator.
Background
Wind energy is becoming increasingly important worldwide as a clean renewable energy source. Wind power generation means that kinetic energy of wind is converted into electric energy by a fan. The main bearing of the wind turbine generator is a core component, in the existing installation process, the main bearing is heated generally, then is directly sleeved on the main shaft and is naturally cooled, and a compacting device is needed to avoid gaps between the installed main bearing and the retainer ring.
For example, the patent of application number CN201810981660.0 includes a chassis for carrying a main shaft of a wind turbine; the support disc is axially and fixedly arranged on the base of the main shaft and can be detached; the compressing component is arranged on the supporting disc and is used for providing pressure for the main bearing of the wind turbine generator to press against the base in a working state; and the driving part is used for driving the pressing part.
The above patent can provide the pressure to the base for the main bearing, can reduce or eliminate the axial clearance generated between the inner ring of the main bearing and the front retainer ring of the bearing in the cooling process, thereby improving the overall running performance of the main bearing and the assembly, but in the compacting process, a plurality of hydraulic cylinders are connected in series to realize synchronization, the synchronization precision is lower, the pressure to contact each part of the main bearing is different when the compacting part works, the sleeved main bearing is deviated and is not in a horizontal state, the installation quality is reduced, and meanwhile, the compacting part needs to be detached from the main shaft when the next main shaft is replaced for operation, and the detaching step is complicated.
Disclosure of Invention
The invention aims to provide a main bearing hot sleeve compressing device of a wind turbine generator, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a wind turbine generator system main bearing hot jacket closing device, includes the box, the inner bottom plate central authorities department integral type of box is equipped with the overlap piece, the main shaft has been placed on the overlap piece, cover in proper order on the main shaft is equipped with separation blade and bearing, the both sides symmetry that the box inside was located the main shaft is equipped with hold-down mechanism, hold-down mechanism comprises movable block, connecting plate, semicircular pressing plate and semicircular installation piece, semicircular installation piece's bottom and movable block upper surface welding, semicircular installation piece's inner wall top is equipped with the absorber plate, just semicircular installation piece is located the inside of absorber plate department and is equipped with auxiliary heating subassembly, auxiliary heating subassembly is used for maintaining the temperature of bearing, semicircular pressing plate's inner wall and the top outer wall phase-match of main shaft, the tip of connecting plate and semicircular pressing plate's outer lane wall welding, the tip lower surface that the main shaft was kept away from to the connecting plate links to each other with the movable block through pushing down the subassembly, the movable block is located main shaft chassis department, just semicircular installation piece is close to one side of main shaft chassis has seted up assorted arc groove, semicircular installation piece's lower surface fixation has semicircular briquetting, semicircular pressing plate and electric telescopic cylinder is kept away from the outer wall of main shaft contact with the telescopic cylinder of bearing.
As a preferable scheme of the invention, the end parts of the two semicircular pressing plates are contacted, the two end surfaces of the two semicircular pressing plates are respectively provided with a slot and a plugboard, and the plugboard is in plug-in connection with the slot.
As a preferable scheme of the invention, the auxiliary heating component comprises an arc-shaped cavity arranged in a semicircular mounting block, electric heating pipes are arranged in the arc-shaped cavity in parallel, supporting plates are sleeved on the two electric heating pipes, and two ends of each supporting plate are fixedly connected with the top end and the bottom end of the arc-shaped cavity respectively.
As a preferable scheme of the invention, a plurality of guide holes are formed in the top of the inner wall of the semicircular mounting block and positioned at the heat absorbing plate, and the guide holes are communicated with the arc-shaped cavity.
As a preferable scheme of the invention, a cavity is formed in one side of the moving block, which is far away from the main shaft, the pressing component comprises a synchronous motor, the synchronous motor is installed in the cavity through a bolt, the output end of the synchronous motor penetrates through the cavity and is fixedly connected with a screw rod, a sleeve is sleeved on the screw rod, the inner wall of the sleeve is in threaded engagement with the screw rod, and the top end of the sleeve is welded with the lower surface of the connecting plate.
As a preferable scheme of the invention, a vertical through groove is formed in one side, far away from the main shaft, of the semicircular mounting block, the screw rod and the sleeve are both arranged in the through groove, the cross sections of the through groove and the sleeve are square, and the outer wall of the sleeve is in contact with the inner wall of the through groove and is in movable connection.
As a preferable scheme of the invention, the lapping block is cylindrical, the diameter of the end face of the lapping block is smaller than the diameter of the chassis of the main shaft, a positioning block is welded at the center of the top end of the lapping block, a positioning hole is formed at the center of the bottom end of the main shaft, and the positioning block is matched with the positioning hole.
As a preferable scheme of the invention, the electric telescopic cylinder is arranged on the side wall of the box body through bolts, sliding rails are symmetrically arranged on two sides of the inner bottom plate of the box body, the sliding rails are fixedly connected with the inner bottom plate of the box body, pulleys are fixedly arranged on two sides of the lower surface of the moving block, and each pulley is arranged on the sliding rail and is movably connected with the sliding rail.
As a preferable scheme of the invention, the top of the box body is provided with the placement opening, the placement opening is square, and the length and the width of the placement opening are both twice the diameter of the overlap joint block.
As a preferable scheme of the invention, a transparent glass window is arranged on one surface of the box body close to the human body, and the length of the transparent glass window is the same as that of the placement opening.
Compared with the prior art, the invention has the beneficial effects that: to the problem that the background art put forward, this application is through placing the main shaft on the overlap piece and fix a position, then overlap the bearing after separation blade and heating on the main shaft in proper order, the movable block in the rethread electric telescopic cylinder promotes hold-down mechanism is close to the main shaft and carries out the restriction to it, make two semicircular clamp plates, two semicircular installation pieces and two semicircular briquetting form wholly respectively with main shaft and bearing housing, start at this moment and push down subassembly and auxiliary heating subassembly, the execution end of pushing down subassembly drives connecting plate and semicircular clamp plate and moves down, the semicircular clamp plate that moves down drives semicircular briquetting and moves down and make it contact with the bearing inner race, make the pressure to the bearing contact the same, auxiliary heating subassembly work maintains the temperature of bearing simultaneously, delay its refrigerated speed, the compress tightly of cooperation semicircular briquetting avoids appearing the deviation when compressing tightly, ensure installation quality, control the restriction of butt joint and the operation can be faster change the main shaft simultaneously, avoid dismantling the loaded down with trivial details of step.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the whole of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is a schematic diagram of a spindle of the present invention;
FIG. 5 is a schematic view of a hold-down mechanism according to the present invention;
fig. 6 is a block diagram of a hold-down assembly of the present invention.
In the figure: 1. a case; 101. a transparent glazing; 102. an inlet; 103. a splicing block; 1031. a positioning block; 2. a main shaft; 201. a baffle; 202. a bearing; 203. positioning holes; 3. a compressing mechanism; 301. a moving block; 3011. an arc-shaped groove; 3012. a cavity; 3013. a pulley; 302. pressing down the assembly; 3021. a synchronous motor; 3022. a screw rod; 3023. a sleeve; 304. a connecting plate; 305. a semicircular pressing plate; 3051. a semicircular pressing block; 3052. a slot; 3053. inserting plate; 306. a semicircular mounting block; 3061. a through groove; 3062. a heat absorbing plate; 4. an auxiliary heating assembly; 401. an arc-shaped cavity; 402. an electric heating tube; 403. a support plate; 404. a guide hole; 5. an electric telescopic cylinder; 6. a slide rail.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a wind turbine generator system main bearing hot jacket closing device, including box 1, the top of box 1 has been seted up and has been put into mouth 102, put into mouth 102 and set up to square, and put into mouth 102's length and width and be the double of overlap joint piece 103 diameter, the one side that box 1 is close to the human body is provided with transparent glass window 101, the length of transparent glass window 101 is the same with put into mouth 102's length, box 1's inner bottom plate central authorities department is integrated with overlap joint piece 103, main shaft 2 has been placed on overlap joint piece 103, overlap joint piece 103 is cylindrical and its terminal surface diameter is less than main shaft 2's chassis diameter, overlap joint piece 103's top central authorities department has welded locating piece 1031, main shaft 2's bottom central authorities have been seted up locating hole 203, locating piece 1031 and locating hole 203 phase-match, overlap in proper order on main shaft 2 is equipped with separation blade 201 and bearing 202, the both sides symmetry that box 1 inside is located main shaft 2 is equipped with hold-down mechanism 3, the compressing mechanism 3 is composed of a moving block 301, a connecting plate 304, a semicircular pressing plate 305 and a semicircular mounting block 306, the end parts of the two semicircular pressing plates 305 are contacted, a slot 3052 and an inserting plate 3053 are respectively arranged at the two end surfaces of the two semicircular pressing plates 305, the inserting plate 3053 is connected with the slot 3052 in an inserting way, the bottom of the semicircular mounting block 306 is welded with the upper surface of the moving block 301, the top of the inner wall of the semicircular mounting block 306 is provided with a heat absorbing plate 3062, the inside of the semicircular mounting block 306 at the position of the heat absorbing plate 3062 is provided with an auxiliary heating component 4, the auxiliary heating component 4 is used for maintaining the temperature of a bearing 202, the inner wall of the semicircular pressing plate 305 is matched with the outer wall of the top of the main shaft 2, the end part of the connecting plate 304 is welded with the outer ring wall of the semicircular pressing plate 305, the lower surface of the end part of the connecting plate 304 far away from the main shaft 202 is connected with the moving block 301 through a pressing component 302, the moving block 301 is positioned at the chassis of the main shaft 2, and the moving block 301 is close to one side of the main shaft 2 chassis and is provided with a matched arc-shaped groove 3011, the lower surface of the semicircular pressing plate 305 close to the main shaft 2 is fixedly provided with a semicircular pressing block 3051, the lower surface of the semicircular pressing block 3051 is contacted with the inner ring of the bearing 202, one side of the moving block 301 far away from the main shaft 2 is internally provided with a cavity 3012, the pressing component 302 comprises a synchronous motor 3021, the synchronous motor 3021 is arranged in the cavity 3012 through a bolt, the output end of the synchronous motor 3021 passes through the cavity 3012 and is fixedly connected with a screw rod 3022, the screw rod 3022 is sleeved with a sleeve 3023, the inner wall of the sleeve 3023 is in threaded engagement with the screw rod 3022, the top end of the sleeve 3023 is welded with the lower surface of the connecting plate 304, one side of the semicircular mounting block 306 far away from the main shaft 2 is provided with a vertical through groove 3061, the screw rod 3022 and the sleeve 3023 are both arranged in the through groove 3061, the cross section of the through groove 3061 and the sleeve 3023 is square, the outer wall of the sleeve 3023 is in movable connection with the inner wall of the through the groove 3061, the outer wall of the sleeve 3023 is connected with the outer wall of the electric cylinder 3025, the electric cylinder 3025 is far away from the outer wall of the main shaft 2, the electric cylinder is connected with the sliding rail 3016, the sliding rail is connected with the sliding rail 3016, and the sliding blocks are connected with the sliding rail blocks 3016 on the two sides of the sliding blocks are fixedly arranged on the side of the sliding rail blocks, and are connected with the sliding rail blocks 3016. Wherein the outer walls of the two sides of the box body 1 are provided with ventilation holes to improve the flow of air in the box body, so that the bearing 202 can be cooled, and meanwhile, workers can observe the compaction effect of the bearing 202 through the transparent glass window 101.
When the bearing 202 of the main shaft 2 of the wind turbine generator is hot sleeved, the main shaft 2 is placed on the lap-joint block 103 in the box body 1 from the placement opening 102, the positioning block 1031 is inserted into the positioning hole 203 to position the main shaft 2, then the baffle 201 and the heated bearing 202 are sleeved on the main shaft 2 in sequence, at the moment, the electric telescopic cylinder 5 and components in the pressing mechanism 3 are controlled in sequence through the controller at the outer wall of the box body 1, the electric telescopic cylinder 5 works, the telescopic end of the electric telescopic cylinder pushes the moving block 301 in the pressing mechanism 3 to move, the moving block 301 is convenient to displace under the action of the pulley 3013 and the sliding rail 6, the moving block 301 drives the semicircular installation block 306 and the connecting plate 304 to move, the ends of the two semicircular installation blocks 306 are contacted to form a whole and sleeve the bearing 202 therein, and simultaneously the two semicircular pressing plates 305 move transversely along with the connecting plate 304, the plugboard 3053 at the end of one semicircular pressing plate 305 is inserted into the slot 3052 at the end of the other semicircular pressing plate 305, so that the two semicircular pressing plates 305 and the two semicircular pressing blocks 3051 respectively form a whole and sleeve the top end of the main shaft 2 therein, at the moment, the auxiliary heating assembly 4 works to generate heat, the heat absorbing plate 3062 absorbs the generated heat to raise the temperature of the inner ring space of the two semicircular installation blocks 306, so as to delay the cooling time of the bearing 202, the synchronous motor 3021 in the pressing assembly 302 works, the output end of the synchronous motor 3021 drives the screw rod 3022 to rotate, the sleeve 3023 vertically moves along with the rotation of the screw rod 3022 under the limit of the through groove 3061, the moving sleeve 3023 drives the connecting plate 304 to vertically move, the two semicircular pressing plates 305 synchronously move downwards along with the connecting plate 304, the downwards moving semicircular pressing blocks 3051 are driven to downwards move, the semicircular pressing blocks 3051 are contacted with the inner ring of the bearing 202, avoid causing the damage to bearing 202 when pushing down, will push down the power evenly distributed to bearing 202 through semicircular clamp plate 305 and semicircular briquetting 3051, make its atress even, cooperate auxiliary heating subassembly 4 to delay the cooling time of bearing 202, after a period of time, auxiliary heating subassembly 4 stop work for bearing 202 carries out self-heating cooling, avoids appearing the deviation when compressing tightly, ensures installation quality, controls the restriction of butt joint formula and compresses tightly the operation simultaneously and can be faster change the main shaft, avoids dismantling the loaded down with trivial details of step.
Referring to fig. 2 and 3, the auxiliary heating assembly 4 includes an arc-shaped cavity 401 formed in a semicircular mounting block 306, electric heating pipes 402 are arranged in parallel in the arc-shaped cavity 401, two support plates 403 are sleeved on the two electric heating pipes 402, two ends of the support plates 403 are fixedly connected with the top end and the bottom end of the arc-shaped cavity 401 respectively, a plurality of guide holes 404 are formed in the top of the inner wall of the semicircular mounting block 306 at a position of a heat absorbing plate 3062, and the guide holes 404 are communicated with the arc-shaped cavity 401.
When the auxiliary heating assembly 4 is started, the electric heating pipe 402 works to generate heat to raise the inner temperature of the arc-shaped cavity 401, the temperature is transmitted into the heat absorbing plate 3062 through the guide hole 404, so that the temperature of the heat absorbing plate 3062 is raised to increase the temperature of air, and the cooling time of the bearing 202 is delayed.
The working flow of the invention is as follows: when the bearing 202 of the main shaft 2 of the wind turbine generator is hot sleeved, the main shaft 2 is placed on the lap-joint block 103 in the box body 1 from the placement opening 102, the positioning block 1031 is inserted into the positioning hole 203 to position the main shaft 2, then the baffle 201 and the heated bearing 202 are sleeved on the main shaft 2 in sequence, at the moment, the electric telescopic cylinder 5 and components in the pressing mechanism 3 are controlled in sequence through the controller at the outer wall of the box body 1, the electric telescopic cylinder 5 works, the telescopic end of the electric telescopic cylinder pushes the moving block 301 in the pressing mechanism 3 to move, the moving block 301 is convenient to displace under the action of the pulley 3013 and the sliding rail 6, the moving block 301 drives the semicircular installation block 306 and the connecting plate 304 to move, the ends of the two semicircular installation blocks 306 are contacted to form a whole and sleeve the bearing 202 therein, and simultaneously the two semicircular pressing plates 305 move transversely along with the connecting plate 304, the plugboard 3053 at the end of one semicircular pressing plate 305 is inserted into the slot 3052 at the end of the other semicircular pressing plate 305, so that the two semicircular pressing plates 305 and the two semicircular pressing blocks 3051 respectively form a whole and sleeve the top end of the main shaft 2 therein, at the moment, the electric heating pipe 402 in the auxiliary heating component 4 works to generate heat to raise the internal temperature of the arc-shaped cavity 401, the temperature is transferred into the heat absorbing plate 3062 through the guide hole 404, the temperature of the heat absorbing plate 3062 is raised to raise the temperature of air, the cooling time of the bearing 202 is delayed, the synchronous motor 3021 in the lower pressing component 302 works, the output end of the synchronous motor 3021 drives the screw rod 3022 to rotate, the sleeve 3023 vertically moves along with the rotation of the screw rod 3022 under the limitation of the through groove 3061, the moving sleeve 3023 drives the connecting plate 304 to vertically move, the two semicircular pressing plates 305 synchronously move downwards along with the connecting plate 304, the downwards moving semicircular pressing blocks 3051 are driven to downwards, the semicircular pressing block 3051 is in contact with the inner ring of the bearing 202, damage to the bearing 202 during pressing is avoided, pressing force is uniformly distributed on the bearing 202 through the semicircular pressing plate 305 and the semicircular pressing block 3051, the pressing force is uniform, the auxiliary heating assembly 4 is matched to delay cooling time of the bearing 202, after a period of time, the auxiliary heating assembly 4 stops working, the bearing 202 is subjected to self-heating cooling, and pressing operation is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a wind turbine generator system main bearing hot jacket closing device, includes box (1), its characterized in that: the utility model discloses a chassis, including box (1), including inner bottom plate, outer ring, auxiliary heating component (4), inner bottom plate, semi-circular installation piece (306), auxiliary heating component (4) are located in the inside cover of main shaft (2), the both sides symmetry that is located main shaft (2) of box (1) are equipped with hold-down mechanism (3), hold-down mechanism (3) comprises movable block (301), connecting plate (304), semi-circular clamp plate (305) and semi-circular installation piece (306), the bottom of semi-circular installation piece (306) is welded with the upper surface of movable block (301), the inner wall top of semi-circular installation piece (306) is equipped with absorber plate (3062), and the inside that semi-circular installation piece (306) are located absorber plate (3062) is equipped with auxiliary heating component (4), auxiliary heating component (4) are used for maintaining the temperature of bearing (202), the inner wall of semi-circular clamp plate (305) and the top outer wall phase-match of main shaft (2), the tip of connecting plate (304) and the wall of semi-circular clamp plate (305), the tip of connecting plate (304) are kept away from under the movable block (301) the surface of movable block (301) and are located under the bottom plate (301), and one side of the movable block (301) close to the chassis of the main shaft (2) is provided with a matched arc-shaped groove (3011), the lower surface of the semicircular pressing plate (305) close to the main shaft (2) is fixedly provided with a semicircular pressing block (3051), the lower surface of the semicircular pressing block (3051) is contacted with the inner ring of the bearing (202), and the outer wall of the semicircular installation block (306) far away from the main shaft (2) is connected with the telescopic end of the electric telescopic cylinder (5).
2. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the ends of the two semicircular pressing plates (305) are contacted, two end faces of the two semicircular pressing plates (305) are respectively provided with a slot (3052) and a plugboard (3053), and the plugboard (3053) is in plug-in connection with the slot (3052).
3. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the auxiliary heating assembly (4) comprises arc-shaped cavities (401) formed in semicircular mounting blocks (306), electric heating pipes (402) are arranged in the arc-shaped cavities (401) in parallel, two support plates (403) are sleeved on the electric heating pipes (402), and two ends of each support plate (403) are fixedly connected with the top ends and the bottom ends of the arc-shaped cavities (401) respectively.
4. The main bearing hot jacket compressing device of a wind turbine generator according to claim 3, wherein: a plurality of guide holes (404) are formed in the top of the inner wall of the semicircular mounting block (306) and located at the position of the heat absorbing plate (3062), and the guide holes (404) are communicated with the arc-shaped cavity (401).
5. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the movable block (301) is far away from one side of the main shaft (2) and internally provided with a cavity (3012), the pressing component (302) comprises a synchronous motor (3021), the synchronous motor (3021) is installed in the cavity (3012) through a bolt, the output end of the synchronous motor (3021) penetrates through the cavity (3012) and is fixedly connected with a screw rod (3022), a sleeve (3023) is sleeved on the screw rod (3022), the inner wall of the sleeve (3023) is in threaded engagement with the screw rod (3022) and is connected with the top end of the sleeve (3023) in a threaded engagement mode, and the lower surface of the connecting plate (304) is welded.
6. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 5, wherein: the semicircular mounting block (306) is far away from one side of the main shaft (2) and is provided with a vertical through groove (3061), the screw rod (3022) and the sleeve (3023) are arranged inside the through groove (3061), the cross section of the through groove (3061) and the cross section of the sleeve (3023) are square, and the outer wall of the sleeve (3023) is in contact with the inner wall of the through groove (3061) and is in movable connection.
7. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the lapping block (103) is cylindrical, the end face diameter of the lapping block is smaller than the chassis diameter of the main shaft (2), a positioning block (1031) is welded at the center of the top end of the lapping block (103), a positioning hole (203) is formed at the center of the bottom end of the main shaft (2), and the positioning block (1031) is matched with the positioning hole (203).
8. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the electric telescopic cylinder (5) is mounted on the side wall of the box body (1) through bolts, sliding rails (6) are symmetrically arranged on two sides of an inner bottom plate of the box body (1) which is located on the joint block (103), the sliding rails (6) are fixedly connected with the inner bottom plate of the box body (1), pulleys (3013) are fixedly mounted on two sides of the lower surface of the moving block (301), and each pulley (3013) is arranged on the sliding rail (6) and movably connected with the sliding rail.
9. The main bearing hot jacket compressing device of the wind turbine generator system according to claim 1, wherein: the top of box (1) has seted up and has put into mouth (102), put into mouth (102) and set up to the square, just put into the length and the width of mouth (102) and be overlap joint piece (103) diameter two times.
10. The main bearing hot jacket compressing device of a wind turbine generator according to claim 9, wherein: the box (1) is close to one side of the human body and is provided with a transparent glass window (101), and the length of the transparent glass window (101) is the same as that of the placing opening (102).
CN202310125749.8A 2023-02-16 2023-02-16 Main bearing hot sleeve pressing device of wind turbine generator Pending CN116140923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310125749.8A CN116140923A (en) 2023-02-16 2023-02-16 Main bearing hot sleeve pressing device of wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310125749.8A CN116140923A (en) 2023-02-16 2023-02-16 Main bearing hot sleeve pressing device of wind turbine generator

Publications (1)

Publication Number Publication Date
CN116140923A true CN116140923A (en) 2023-05-23

Family

ID=86357913

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310125749.8A Pending CN116140923A (en) 2023-02-16 2023-02-16 Main bearing hot sleeve pressing device of wind turbine generator

Country Status (1)

Country Link
CN (1) CN116140923A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117399923A (en) * 2023-10-24 2024-01-16 国家管网集团东部原油储运有限公司嘉兴输油分公司 Bearing rapid heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117399923A (en) * 2023-10-24 2024-01-16 国家管网集团东部原油储运有限公司嘉兴输油分公司 Bearing rapid heater
CN117399923B (en) * 2023-10-24 2024-05-28 国家管网集团东部原油储运有限公司嘉兴输油分公司 Bearing rapid heater

Similar Documents

Publication Publication Date Title
CN116140923A (en) Main bearing hot sleeve pressing device of wind turbine generator
CN209223915U (en) A kind of motor frock clamp
CN104960194A (en) Filter element welding machine
CN219900927U (en) Bearing and bearing frame assembly equipment
CN116525251A (en) Intelligent energy-saving capacity-increasing distribution transformer and monitoring method
CN112760472A (en) Large-end intermediate frequency quenching device for movable end joint of transmission shaft
CN208376316U (en) A kind of automatic intelligent steel seal device
CN204801036U (en) Filter element welding machine
CN114161339B (en) Cast iron jig for cast iron profile production and use method
CN111946448B (en) Common underframe device for diesel generator set
CN214757353U (en) All-round isolation baffle in low-pressure control case top
CN218396188U (en) Processing equipment for metal conduit of heat exchanger
CN219335824U (en) Anti-deformation double-disc friction press
CN219156919U (en) Flange heat treatment furnace
CN216337843U (en) Edge heat treatment device for multifunctional differential reduction shell machining
CN212955223U (en) Heat treatment device for transmission gear box
CN219882715U (en) Frame type hot press
CN111608944B (en) Plug-in type circulating special fan convenient to overhaul and maintain
CN218694919U (en) Battery string repairing machine
CN218383754U (en) Small-capacity deionized water temperature control functional unit
CN221247433U (en) Battery welding device with heat radiation structure
CN220050557U (en) Double-end automatic weld equipment
CN213003246U (en) High-efficient welding mould of temperature-uniforming plate
CN210718384U (en) Hot air circulation oven is used in nutrition powder production
CN218139952U (en) Pipe welding equipment complete machine structure presses

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination