A belt gear grinding machine for large wind turbine gears

Abstract

The present invention relates to the field of gear grinding, specifically a belt gear grinder for large wind power gears, comprising a switching beam, two grinding belts, a guide assembly and a constraint assembly, wherein the switching beam is horizontally rotated by the switching assembly, the switching assembly comprises a mounting frame and two switching rotating columns, the grinding belts are respectively arranged on both sides of the switching beam through support assemblies, and the support assemblies each comprise two movable seats and four swing seats, two grinding belts are movably arranged on both sides of the switching beam through the support assembly, when one of the grinding belts has a poor grinding effect, the other grinding belt can be quickly switched through the switching assembly, and then, under the action of the guide assembly and the constraint assembly, the useless grinding belt replaced to one side will not affect the grinding of the new grinding belt, thereby avoiding the problem that the replacement of the grinding belt affects the processing efficiency.

Description

Technical Field

[0001] The present invention relates to the field of gear grinding, in particular to an abrasive belt gear grinding machine for large wind power gears. Background Art

[0002] Wind turbine gears are accessories for wind turbine equipment. Since wind turbine equipment is relatively large in size, the gears used are relatively large. When processing large wind turbine gears, their edges need to be ground and polished.

[0003] The existing large-scale wind turbine gear grinding devices are mainly divided into grinding wheels and belt grinding machines. The belt grinding machine can quickly grind large wind turbine gears by rotating the drive wheel at high speed during use. However, due to the large size and grinding area of ​​wind turbine gears, a single belt is often unable to complete the grinding operation, resulting in a long period of downtime for belt replacement during the grinding operation, which affects processing efficiency.

[0004] Therefore, we need a belt grinding machine for large wind turbine gears to solve the problem of needing to stop the machine for a long time to replace the belt during grinding operation, which affects the processing efficiency and can reduce the downtime adjustment time. Summary of the Invention

[0005] The purpose of the present invention is to provide a belt grinding machine for large wind turbine gears to solve the problem in the background art that grinding operations require a long period of downtime for belt replacement, which affects processing efficiency, and to reduce downtime and adjustment time.

[0006] To achieve the above object, the present invention provides the following technical solution: a belt gear grinder for large wind turbine gears, the belt gear grinder for large wind turbine gears comprising:

[0007] A switching beam column, wherein the switching beam column is horizontally rotated by a switching assembly, and the switching assembly includes a mounting frame and two switching rotating columns;

[0008] Two grinding belts, the two grinding belts are respectively arranged on both sides of the switching beam column through support components, and the support components each include two movable seats and four swing seats;

[0009] A guide assembly is horizontally arranged on one side of the movable seat, and the guide assembly includes two guide rods, and the two guide rods are movably plugged into one side of the switching beam column;

[0010] The constraint assembly is arranged on one side of the swing seat, and the constraint assembly includes two rotating blocks and two constraint rods.

[0011] Preferably, the two switching columns are horizontally symmetrically arranged at the centers of both sides of the switching beam column, and one side of the two switching columns is respectively arranged on both sides of the plug-in mounting frame through bearings. A worm gear is sleeved on one side of the switching column, and a worm is vertically provided on the side of the mounting frame close to the worm gear, and one side of the worm gear is meshed with the worm.

[0012] Preferably, pressure-supplying air cavities are horizontally opened on both sides of the switching beam column, and the two pressure-supplying air cavities are controlled by a ball valve. Insertion grooves are opened on both sides of the pressure-supplying air cavities in the switching beam column, and two movable seats are movably inserted into the two insertion grooves respectively. The movable seat is placed in the insertion groove and a piston column is horizontally provided on one side. One side of the piston column passes through the insertion groove and is inserted into the pressure-supplying air cavity and is sleeved with a first piston.

[0013] Preferably, an opening and closing groove is provided on one side of the movable seat, and two supporting pins are horizontally symmetrically provided on both sides of the opening and closing groove. The two supporting pins are movably sleeved on one side of the two swing seats. A driving roller is horizontally inserted through a bearing on one side of the swing seat, and the grinding belt is connected to the four driving rollers on one side of the switching beam column.

[0014] Preferably, an abutment rod is horizontally provided on one side of the switching column, and the opposite sides of the two swing seats are respectively overlapped with the abutment rod. A groove is provided on the side of the swing seat close to the abutment rod, and the groove of the swing seat is arranged corresponding to the abutment rod when the grinding belt is not in use.

[0015] Preferably, a support spring is embedded in the side of the swing seat away from the abutting rod, and one side of the support spring is respectively arranged in contact with one side of the movable seat.

[0016] Preferably, the two guide rods are horizontally symmetrically arranged on both sides of the movable seat in the plug-in slot, and spring slots are opened in the switching beam column on the side close to the guide rods. One side of the two guide rods is respectively inserted into the spring slots and is provided with guide springs through the constraint blocks.

[0017] Preferably, the swing seat is inclined with spring grooves on both sides close to the driving roller, a spring rod is movably inserted into the spring groove through a sealing sleeve, a second piston is sleeved on one side of the spring rod placed in the spring groove, and a downward pressure spring is sleeved on the spring rod located between the sealing sleeve and the second piston.

[0018] Preferably, the spring rod is provided with a rotating block on one side outside the spring slot, a restraining rod is horizontally provided on one side of the rotating block, and the swing seat is provided with a restraining slot on one side of the spring rod.

[0019] Preferably, a limit block is provided on one side of the spring rod in the constraint groove, the limit block is movably inserted into the constraint groove, the limit block is arranged opposite to the constraint rod, and the sum of the lengths of the two constraint rods is equal to the length of the driving roller.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] Two grinding belts are movably arranged on both sides of the switching beam column through the supporting assembly. When the grinding effect of one of the grinding belts is poor, the other grinding belt can be quickly switched through the switching assembly. Then, under the action of the guide assembly and the constraint assembly, the useless grinding belt on one side is replaced without affecting the grinding of the new grinding belt, which further solves the problem of needing to stop the machine for a long time to replace the grinding belt during the grinding operation, which affects the processing efficiency, and can reduce the downtime adjustment time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 For the present invention Figure 1 Schematic diagram of part A;

[0024] Figure 3 For the present invention Figure 2 Schematic diagram of part B;

[0025] Figure 4 For the present invention Figure 1 Schematic diagram of the C part;

[0026] Figure 5 This is a schematic diagram of the partial connection structure of the switching beam column of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the swing seat of the present invention.

[0028] In the figure: switching beam 1, plug-in slot 2, movable seat 3, pressure air chamber 4, piston column 5, first piston 6, support pin 7, swing seat 8, support spring 9, drive roller 10, grinding belt 11, spring slot 12, spring rod 13, rotating block 14, downward pressure spring 15, second piston 16, air inlet 17, limit block 18, fine groove 19, diverter groove 20, connecting hose 21, mounting bracket 22, switching rotating column 23, worm gear 24, worm 25, abutment rod 26, guide rod 27, guide spring 28, restraining rod 29. Implementation Method

[0029] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0030] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0034] Please see the attached Figure 1-6 , this application provides the following six embodiments of the preferred scheme. Example

[0035] A belt gear grinder for large wind turbine gears, wherein a switching beam 1 is arranged to rotate horizontally through a switching component, the switching component includes a mounting frame 22 and two switching rotating columns 23, the two switching rotating columns 23 are horizontally symmetrically arranged at the centers of both sides of the switching beam 1, one side of the two switching rotating columns 23 is respectively penetrated by bearings and inserted into both sides of the mounting frame 22, a worm gear 24 is sleeved on one side of the switching rotating column 23, a worm 25 is vertically provided on the side of the mounting frame 22 close to the worm gear 24, and one side of the worm gear 24 is meshed with the worm 25, and the worm gear 24 is driven and controlled by the worm 25 to maintain the stability of the switching beam 1 and the flipping activity control, further solving the problem that a long period of downtime is required to replace the sanding belt during the grinding operation, which affects the processing efficiency, and can reduce the downtime adjustment time. Example

[0036] On the basis of embodiment 1, when a grinding belt 11 has poor grinding efficiency or is damaged, it can be replaced and used. The two grinding belts 11 are respectively arranged on both sides of the switching beam column 1 through support components. The support components include two movable seats 3 and four swing seats 8. The switching beam column 1 has pressure-supply air chambers 4 horizontally opened on both sides. The two pressure-supply air chambers 4 are controlled by a ball valve. The switching beam column 1 has plug-in slots 2 on both sides of the pressure-supply air chamber 4. The two movable seats 3 are respectively movably inserted into the two plug-in slots 2. The movable seats 3 is placed in the plug-in slot 2 and a piston column 5 is horizontally provided on one side. One side of the piston column 5 passes through the plug-in slot 2 and is inserted into the compressed air chamber 4 and is sleeved with a first piston 6. An opening and closing groove is provided on one side of the movable seat 3. Two support pins 7 are symmetrically provided on both sides of the opening and closing groove. Two swing seats 8 are movably sleeved with two support pins 7 on one side. A driving roller 10 is horizontally inserted on one side of the swing seat 8 through a bearing, and the grinding belt 11 is connected to the four driving rollers 10 on one side of the switching beam column 1. A contact rod 26 is horizontally provided on one side of the switching rotating column 23. The opposite sides of the swing seats 8 are respectively overlapped with the abutment rods 26, and the swing seats 8 are provided with grooves on the sides close to the abutment rods 26, and the grooves of the swing seats 8 are corresponding to the abutment rods 26 when the grinding belts 11 are not in use. The swing seats 8 are embedded with support springs 9 on the sides away from the abutment rods 26, and one side of the support springs 9 is respectively in contact with one side of the movable seat 3. When one grinding belt 11 is damaged or cannot be used, the worm gear 24 is used to control the switching beam column 1 to rotate, so that the positions of the two grinding belts 11 are interchanged, and then the grinding belts 11 are switched. The high-pressure gas of the two pressure-feeding air chambers 4 is turned on and off, causing the movable seat 3 to shrink or be supported and ejected according to demand. In the shrinking state, the grinding belt 11 remains loose, and under the action of the support spring 9, the groove of the swing seat 8 corresponds to the abutment rod 26, and the length between the two swing seats 8 is reduced. On the contrary, the other grinding belt 11 is tightened under the action of the high-pressure gas, and the height between the upper and lower sides of the grinding belt 11 is greater than that of the other grinding belt 11. When one grinding belt 11 is in use, the other grinding belt 11 will not contact the forging;

[0037] The four swing seats 8 connected to the two grinding belts 11 have at least one horizontally connected driving motor, which drives and controls the driving roller 10 and the grinding belt 11 to rotate;

[0038] When a grinding belt 11 has poor grinding efficiency or is damaged, it can be replaced;

[0039] This further solves the problem of grinding operations requiring a long period of downtime to replace the sanding belt, which affects processing efficiency, and can reduce downtime and adjustment time. Example

[0040] On the basis of the second embodiment, the grinding belt 11 is constrained, and the constraining assembly is arranged on one side of the swing seat 8, and the constraining assembly includes two rotating blocks 14 and two constraining rods 29. The swing seat 8 is inclined on both sides close to the driving roller 10 to open a spring groove 12, and a spring rod 13 is movably inserted in the spring groove 12 through a sealing sleeve. The spring rod 13 is placed in the spring groove 12 and is sleeved with a second piston 16 on one side. The spring rod 13 is located between the sealing sleeve and the second piston 16 and is sleeved with a downward pressure spring 15. The spring rod 13 is placed outside the spring groove 12 and is provided with a rotating block 14 on one side. A constraining rod 29 is horizontally provided on one side of the rotating block 14. The swing seat 8 is located on one side of the spring rod 13 and has a constraining groove. The spring rod 13 is located in the constraint groove A limit block 18 is provided on one side, and the limit block 18 is movably inserted into the constraint groove. The limit block 18 is arranged opposite to the constraint rod 29, and the sum of the lengths of the two constraint rods 29 is equal to the length of the driving roller 10. When the grinding belt 11 needs to be replaced, or the grinding belt 11 does not disengage when the movable seat 3 shrinks, the constraint rod 29 is rotated to the position of the driving roller 10, and the limit block 18 is inserted into the constraint groove. Under the elastic force of the downward pressure spring 15, the constraint rod 29 is kept stable, and the grinding belt 11 cannot be separated from the swing seat 8. When the grinding belt 11 needs to be disassembled, after pulling the rotating block 14, the constraint rod 29 is rotated away from the grinding belt 11. The grinding belt 11 is maintained in the position when installed or idle, preventing it from disengaging, thereby improving convenience in use.

[0041] This further solves the problem of grinding operations requiring a long period of downtime to replace the sanding belt, which affects processing efficiency, and can reduce downtime and adjustment time. Example

[0042] On the basis of embodiment three, the guide assembly is horizontally arranged on one side of the movable seat 3, and the guide assembly includes two guide rods 27, and the two guide rods 27 are movably inserted into one side of the switching beam column 1. The two guide rods 27 are horizontally symmetrically arranged on both sides of the movable seat 3 located in the insertion groove 2. A spring groove is opened on one side of the switching beam column 1 close to the guide rod 27. One side of the two guide rods 27 is respectively inserted into the spring groove and is provided with a guide spring 28 through a constraint block. When the pressure supply chamber 4 loses high-pressure gas, the movable seat 3 retracts under the action of the guide spring 28, and then the groove side of the swing seat 8 moves to abut the rod 26, and cooperates with the support spring 9 to pull one side of the two swing seats 8 so that the upper and lower heights of the swing seat 8 on this side are smaller than those on the other side. The movable guide of the movable seat 3 and the pullback reset after the loss of high-pressure gas;

[0043] This further solves the problem of grinding operations requiring a long period of downtime to replace the sanding belt, which affects processing efficiency, and can reduce downtime and adjustment time. Example

[0044] On the basis of Example 4, the grinding belt 11 is backblown and cooled, a diverter groove 20 is opened on one side of the movable seat 3, a fine groove 19 is opened on one side of the diverter groove 20 through the center of the first piston 6, and a first air groove is opened on one side of the diverter groove 20 through the movable seat 3 near the swing seat 8. A second air groove is opened on the side of the swing seat 8 near the spring groove 12. A connecting hose 21 is connected between the first air groove and the second air groove. The spring rod 13 and the constraint rod 29 are both hollow structures. The spring rod 13 and the constraint rod 29 are both hollow structures. One side of the restraining rod 29 is connected, and the spring rod 13 is placed in the spring groove 12 and has an air inlet 17 extending through it. In addition, a plurality of back-blowing grooves are also provided on the side of the fine groove 19 close to the abrasive belt 11. When high-pressure gas is continuously blown into the pressure-supplying air chamber 4, a small amount of gas enters the diverter groove 20 from the fine groove 19. Then, the gas in the diverter groove 20 is injected into the spring groove 12 through the connecting hose 21. Then, under the action of the air inlet 17 of the spring rod 13, the surface iron chips of the abrasive belt 11 are blown away and the temperature is reduced from the back-blowing port of the restraining rod 29.

[0045] In addition, when the backflush of the restraining rod 29 is not required, a solenoid control valve commonly used in the prior art can be installed in the diverter groove 20 to control the on-off of the diverter groove 20 to realize whether air blowing is needed for cleaning and to determine whether the pressure in the pressure chamber 4 is continuously supplied or maintained, thereby removing iron chips from the sanding belt 11 and preventing the temperature from rising.

[0046] This further solves the problem of needing to stop the machine for a long time to replace the sanding belt during grinding operations, which affects processing efficiency, and can reduce the downtime and adjustment time.

[0047] Example 6, based on Example 5, according to the attached Figure 1-6This embodiment also provides a method for using a belt gear grinder for large wind turbine gears:

[0048] Step 1: When one of the grinding belts 11 is damaged or cannot be used, the worm gear 24 is used to control the rotation of the switching beam 1 to achieve the position exchange of the two grinding belts 11;

[0049] Step 2: Then, the high-pressure gas of the two pressure-feeding air chambers 4 is turned on and off, so that the movable seat 3 is contracted or supported and ejected according to demand. In the contracted state, the grinding belt 11 remains loose, and under the action of the support spring 9, the groove of the swing seat 8 corresponds to the abutment rod 26, and the length between the two swing seats 8 is reduced. On the contrary, the other grinding belt 11 is tightened under the action of the high-pressure gas, and the height between the upper and lower sides of the grinding belt 11 is greater than that of the other grinding belt 11. When one grinding belt 11 is in use, the other grinding belt 11 will not contact the forging;

[0050] Step 3: When the sanding belt 11 needs to be replaced, or the sanding belt 11 does not separate when the movable seat 3 shrinks, the constraint rod 29 is rotated to the position of the driving roller 10, and the limit block 18 is inserted into the constraint groove. Under the elastic force of the downward pressure spring 15, the constraint rod 29 is kept stable, and the sanding belt 11 cannot separate from the swing seat 8. When the sanding belt 11 needs to be removed, the rotating block 14 is lifted and the constraint rod 29 is rotated away from the sanding belt 11.

[0051] Step 4: When high-pressure gas is continuously blown into the pressure-supplying air chamber 4, a small amount of gas enters the diverter groove 20 from the fine groove 19, and then the gas in the diverter groove 20 is injected into the spring groove 12 through the connecting hose 21. Then, under the action of the air inlet 17 of the spring rod 13, the surface iron chips of the grinding belt 11 are blown off and the temperature is reduced from the back-blowing port of the constraint rod 29.

[0052] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A belt gear grinding machine for large wind turbine gears, characterized by: The belt gear grinding machine for large wind power gears includes: A switching beam (1), wherein the switching beam (1) is arranged to rotate horizontally via a switching assembly, the switching assembly comprising a mounting frame (22) and two switching rotating columns (23); Two grinding belts (11), the two grinding belts (11) are respectively arranged on both sides of the switching beam (1) through support components, and the support components each include two movable seats (3) and four swing seats (8); A constraint assembly, the constraint assembly being arranged on one side of the swing seat (8), and the constraint assembly comprises two rotating blocks (14) and two constraint rods (29); The switching beam (1) has pressure-supplying air chambers (4) horizontally opened on both sides thereof, and the two pressure-supplying air chambers (4) are controlled by a ball valve. The switching beam (1) has plug-in slots (2) running through both sides of the pressure-supplying air chamber (4), and two movable seats (3) are respectively movably plugged into the two plug-in slots (2). The movable seat (3) is placed in the plug-in slot (2) and has a piston column (5) horizontally provided on one side thereof. One side of the piston column (5) passes through the plug-in slot (2) and is plugged into the pressure-supplying air chamber (4) and is sleeved with a first piston (6). The movable seat (3) is provided with an opening and closing groove on one side, and two support pins (7) are symmetrically arranged on both sides of the opening and closing groove. The two swing seats (8) are respectively movably sleeved with the two support pins (7) on one side. A driving roller (10) is provided on one side of the swing seat (8) through a horizontal insertion of a bearing, and the grinding belt (11) is connected to the four driving rollers (10) on one side of the switching beam column (1); an abutment rod (26) is provided horizontally on one side of the switching column (23), and the opposite sides of the two swing seats (8) are respectively overlapped with the abutment rod (26); a groove is provided on the side of the swing seat (8) close to the abutment rod (26), and the groove of the swing seat (8) is arranged corresponding to the abutment rod (26) when the grinding belt (11) is not in use; a support spring (9) is embedded on the side of the swing seat (8) away from the abutment rod (26), and one side of the support spring (9) is respectively contacted with one side of the movable seat (3); The swing seat (8) is provided with spring grooves (12) on both sides close to the driving roller (10), and a spring rod (13) is movably inserted in the spring groove (12) through a sealing sleeve. The spring rod (13) is placed in the spring groove (12) and is sleeved with a second piston (16) on one side. The spring rod (13) is located between the sealing sleeve and the second piston (16) and is sleeved with a downward pressure spring (15). The spring rod (13) is placed outside the spring groove (12) and is provided with a rotating block (14). A constraint rod (29) is horizontally provided on one side of the rotating block (14). The swing seat (8) is provided with a constraint groove on one side of the spring rod (13). The spring rod (13) is provided with a limit block (18) on one side of the constraint groove. The limit block (18) is movably inserted into the constraint groove. The limit block (18) and the constraint rod (29) are arranged opposite to each other, and the sum of the lengths of the two constraint rods (29) is equal to the length of the driving roller (10).

2. The belt gear grinding machine for large wind turbine gears according to claim 1, characterized in that: The two switching rotating columns (23) are horizontally symmetrically arranged at the centers of both sides of the switching beam column (1). One side of the two switching rotating columns (23) is respectively provided on both sides of the plug-in mounting frame (22) through a bearing. A worm gear (24) is sleeved on one side of the switching rotating column (23). A worm (25) is vertically provided on one side of the mounting frame (22) close to the worm gear (24), and one side of the worm gear (24) is meshed with the worm gear (25).

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