CN114749889B - Large eccentric shaft mounting method - Google Patents
Large eccentric shaft mounting method Download PDFInfo
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- CN114749889B CN114749889B CN202210521792.1A CN202210521792A CN114749889B CN 114749889 B CN114749889 B CN 114749889B CN 202210521792 A CN202210521792 A CN 202210521792A CN 114749889 B CN114749889 B CN 114749889B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/102—Aligning parts to be fitted together using remote centre compliance devices
- B23P19/105—Aligning parts to be fitted together using remote centre compliance devices using sensing means
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Abstract
The invention relates to the technical field of eccentric shaft installation, in particular to a large-scale eccentric shaft installation method, which comprises the following steps of; s1, horizontally placing a large eccentric shaft on a butt joint press-fitting device through a hoisting device; s2, adjusting the butt joint position of the large eccentric shaft by the butt joint press-fitting equipment, and fixing the large eccentric shaft; s3, placing the bearing to be installed at a designated position of the butt joint press-fitting equipment through hoisting equipment; s4, positioning and fixing the bearing by the butt joint press-fitting equipment, so that the bearing and the large eccentric shaft are kept coaxial; s5, pushing the fixed bearing to be pressed onto the large eccentric shaft by the butt joint press mounting equipment; and S6, after the press mounting is finished, the butt joint press mounting equipment releases the fixation of the large eccentric shaft and the bearing, and the large eccentric shaft is placed in the area to be treated through the hoisting equipment. This application can effectually use manpower sparingly, improves production efficiency.
Description
Technical Field
The invention relates to the technical field of eccentric shaft installation, in particular to a large-scale eccentric shaft installation method.
Background
The existing eccentric shaft assembling device is generally used for press mounting of a small eccentric shaft, for example, chinese patent CN201110080010.7 discloses an intelligent press mounting device and method for an eccentric shaft and a bearing, and a microprocessor chip is used as a control core. The microprocessor chip is stored with a pre-written eccentric shaft and bearing position identification unit, a rotary table control unit and a pressure plate control unit. The microprocessor chip collects distance signals through the sensor and calculates the current positions of the eccentric shaft and the bearing; the microprocessor chip controls the rotation of the rotary table according to the deviation between the current positions of the eccentric shaft and the bearing and the set position, and automatically adjusts the positions of the eccentric shaft and the bearing; then, the microprocessor chip automatically adjusts the downward pressure by detecting the contact force between the pressing disc and the eccentric shaft, and automatically realizes the press fitting of the eccentric shaft and the bearing.
The eccentric shaft and the bearing can be automatically pressed, but the traditional eccentric shaft mounting device is difficult to realize when the large eccentric shaft and the bearing are required to be assembled, and the assembly of the existing large eccentric shaft and bearing is mostly adjusted and mounted by manual operation equipment, so that manpower is wasted and the assembly efficiency is affected, and a large eccentric shaft mounting method is needed to solve the problems.
Disclosure of Invention
Based on this, it is necessary to provide a large eccentric shaft mounting method in view of the prior art problems. This application can effectually use manpower sparingly, improves production efficiency.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the installation method of the large eccentric shaft comprises the following steps of;
s1, horizontally placing a large eccentric shaft on a butt joint press-fitting device through a hoisting device;
s2, adjusting the butt joint position of the large eccentric shaft by the butt joint press-fitting equipment, and fixing the large eccentric shaft;
s3, placing the bearing to be installed at a designated position of the butt joint press-fitting equipment through hoisting equipment;
s4, positioning and fixing the bearing by the butt joint press-fitting equipment, so that the bearing and the large eccentric shaft are kept coaxial;
s5, pushing the fixed bearing to be pressed onto the large eccentric shaft by the butt joint press mounting equipment;
s6, after the press mounting is finished, the butt joint press mounting equipment releases the fixation of the large eccentric shaft and the bearing, and the large eccentric shaft is placed in a region to be treated through the hoisting equipment;
s2 to S6 are executed by adopting a butt joint press mounting device, wherein the butt joint press mounting device comprises an installation table, an eccentric shaft placing table, an angle adjusting device, a bearing limiting table, an expansion fixing device and a pressing device; the eccentric shaft placing table is fixedly arranged on the mounting table; the angle adjusting device is arranged beside the eccentric shaft placing table and is fixedly connected with the mounting table; the bearing limiting table is arranged beside the eccentric shaft placing table and is fixedly connected with the mounting table; the expansion fixing device is arranged beside the bearing limiting table and is fixedly connected with the mounting table; the pressing device is fixedly arranged on the expansion fixing device.
Preferably, the eccentric shaft placing table comprises an adjusting sliding rail, an adjusting sliding block, a first mounting bracket, a supporting roller and a pressing frame; the adjusting slide rail is fixedly arranged on the mounting table, and a plurality of adjusting holes are formed in the side part of the adjusting slide rail; the adjusting slide blocks are provided with a plurality of adjusting slide rails and are symmetrically arranged in the adjusting slide rails; the adjusting slide block is fixedly connected with an adjusting hole of the adjusting slide rail through a bolt; the first mounting brackets are provided with a plurality of adjusting slide blocks and are uniformly distributed on the adjusting slide blocks, and the first mounting brackets are fixedly connected with the adjusting slide blocks; the support rollers are provided with a plurality of support rollers and are uniformly distributed on the first mounting bracket, and the support rollers are rotationally connected with the first mounting bracket; the pressing frame is arranged beside the adjusting slide rail and is fixedly connected with the mounting table.
Preferably, the angle adjusting device comprises a first ball screw sliding table, a second mounting bracket, a first linear driver, a third mounting bracket, a first guide post, a pressing wheel, a first rotary driver and an identification camera; the first ball screw sliding table is arranged at the side of the eccentric shaft placing table and is fixedly connected with the mounting table; the second mounting bracket is fixedly arranged on the first ball screw sliding table; the first linear driver is fixedly arranged on the second mounting bracket, and the working end of the first linear driver is vertically downwards arranged; the third mounting frame is fixedly arranged at the output end of the first linear driver; the first guide post is fixedly arranged on the third mounting frame, and one end of the first guide post, which is far away from the third mounting frame, penetrates through the second mounting bracket to be in sliding connection with the second mounting bracket; the pressing wheel is rotationally connected with the second mounting bracket; the first rotary driver is fixedly arranged on the third mounting frame, and the output end of the first rotary driver is in transmission connection with the pressing wheel; the identification camera is fixedly arranged on the expansion fixing device.
Preferably, the outer side of the pressing wheel is provided with an elastic pressing layer, and the surface of the elastic pressing layer is provided with a plurality of anti-slip strips.
Preferably, the bearing limit table comprises a first mounting plate, a lifting supporting plate, a limit column, a second linear driver and a second guide column; the first mounting plate is fixedly arranged in the mounting table; the second linear driver is fixedly arranged on the first mounting plate, and the output end of the second linear driver extends vertically upwards; the lifting supporting plate is fixedly arranged at the output end of the second linear driver, and a plurality of adjusting holes are formed in the side part of the lifting supporting plate; the second guide posts are provided with a plurality of guide posts and are distributed on the lifting supporting plate, one end of each second guide post is fixedly connected with the lifting supporting plate, and one end of each second guide post, which is far away from the lifting supporting plate, penetrates through the first mounting plate and is in sliding connection with the first mounting plate; the limiting posts are distributed on the lifting supporting plate and fixed on the adjusting holes of the lifting supporting plate through bolts.
Preferably, the expansion fixing device comprises a second ball screw sliding table, a fourth mounting rack, a limiting disc, an expansion rod and a synchronous driving device; the second ball screw sliding table is arranged beside the bearing limiting table and is fixedly connected with the mounting table; the fourth mounting frame is fixedly connected with the second ball screw sliding table; the limiting disc is fixedly arranged on the fourth mounting frame, and a plurality of limiting grooves are formed in the limiting disc and are uniformly distributed; the expansion rods are provided with a plurality of limit grooves which are uniformly distributed on the limit disc, and the expansion rods and the limit grooves of the limit disc; the synchronous driving device is fixedly arranged on the fourth mounting frame, and the driving end of the synchronous driving device is in sliding connection with the expansion rod.
Preferably, the synchronous driving device comprises a rotary driving disc, a second mounting plate, a second rotary driver, a driving gear and a driven gear ring; the rotary driving disc is rotatably arranged on the limiting disc, and a plurality of driving sliding grooves are formed in the rotary driving disc; the driven gear ring is fixedly arranged on the outer side of the rotary driving disc; the second mounting plate is fixedly arranged on the fourth mounting frame; the second rotary driver is fixedly arranged on the second mounting plate; the driving gear is fixedly arranged at the output end of the second rotary driver and is meshed with the driven gear ring.
Preferably, the driving chute on the rotary driving disc is inclined, and the inclination angle of the driving chute is 45 degrees.
Preferably, the expansion rod comprises a contact supporting rod, a limit sliding block, a limit sliding rod and a limit nut; the limiting sliding block is slidably arranged in a limiting groove of the limiting disc; the abutting rod is fixedly arranged on the limiting slide block, the top of the abutting rod is arc-shaped, and an abutting pad is arranged at one end, away from the limiting slide block, of the abutting rod; the limiting slide rod is fixed at one end of the limiting slide block, which is far away from the contact resisting rod, and a threaded column is arranged at one end of the limiting slide rod, which is far away from the limiting slide block; the limit nut is fixedly arranged on the threaded column of the limit slide bar.
Preferably, the pressing means includes a third linear actuator and a pressing frame; the third linear driver is fixedly arranged on the fourth mounting frame; the pushing frame is arranged on the expansion rod in a sliding sleeve manner, and is fixedly connected with the output end of the third linear driver.
Compared with the prior art, the beneficial effect that this application had is:
1. the utility model provides a place the bench through lifting device with large-scale eccentric shaft, the bench is placed to the eccentric shaft makes large-scale eccentric shaft keep the level to put, angle adjustment device is fixed with the large-scale eccentric shaft of eccentric shaft placement bench pushes down the eccentric shaft of angle adjustment device, simultaneously angle adjustment device carries out the adjustment position to the eccentric shaft end of large-scale eccentric shaft, press fitting bearing is convenient for press device, large-scale eccentric shaft is fixed finishes, the spacing bench of bearing rises to appointed position, place the bearing on the spacing bench of bearing through lifting device, the spacing bench of bearing carries out spacingly, expansion fixing device inserts in the inner circle of bearing, expansion fixing device synchronous expansion is fixed the bearing location, make bearing and large-scale eccentric shaft keep coaxial line, the spacing bench of bearing returns the normal position and breaks away from the bearing, expansion fixing device is contradicted with large-scale eccentric shaft, press device promotes the bearing and breaks away from expansion fixing device to remove to large-scale eccentric shaft, make the bearing press fit to the large-scale eccentric shaft outside. This application can effectually use manpower sparingly, improves production efficiency.
2. The utility model provides a but according to the position of the movable adjusting slide of diameter of axle of large-scale eccentric shaft in adjusting the slide rail, adjusting slide drives first installing support and removes, and first installing support drives the backing roll adjustment position, places the large-scale eccentric shaft between the several backing roll through lifting device, and the backing roll is spacing to be supported and keep the horizontality with large-scale eccentric shaft, supports the position that the pressure frame is used for restricting eccentric shaft pressure equipment. The spacing of the supporting rollers with adjustable spacing can effectively adapt to large eccentric shafts with different shaft diameters.
3. The utility model provides a place the large-scale eccentric shaft between the several backing roller through lifting device, ball screw slip table drives and supports the pinch roller and remove directly over the large-scale eccentric shaft, first linear drive is preferably electric putter, electric putter promotes the second installing support decline, the second mounting bracket drives and supports the pinch roller and contradicts with large-scale eccentric shaft, large-scale eccentric shaft is pressed by supporting the pinch roller and is fixed, first rotary drive is preferably servo motor, servo motor drives and supports the pinch roller and rotate, it rotates to support the pinch roller to rotate and drive large-scale eccentric shaft, it rotates to drive eccentric shaft end when large-scale eccentric shaft rotates, the discernment camera is preferably CCD detects the camera, CCD detects whether the eccentric shaft end of camera detects large-scale eccentric shaft rotates suitable position, can be effectual automatic identification adjustment large-scale eccentric shaft position through the CCD detects the camera.
4. When this application is contradicted with large-scale eccentric shaft through supporting the pinch roller, the elasticity conflict layer in the outside of supporting the pinch roller is contradicted with large-scale eccentric shaft and is slowed down the pressure of supporting, and a plurality of antislip strips on elasticity conflict layer can effectual frictional force improve the transmissibility when supporting the pinch roller rotation.
5. This application is hydraulic push rod through second linear drive preference, and hydraulic push rod promotes the lift layer board and rises to the assigned position, has more that bearing diameter adjustment spacing post interval position, places the bearing on the lift layer board through lifting device, and spacing post is used for blockking the bearing and removes and make the spacing fixed centre gripping of expansion fixing device of being convenient for of bearing fixed, through adjustable spacing post interval position, the spacing adaptability of effectual improvement bearing.
6. The application places the bearing on the bearing limiting table through lifting device, and ball screw slip table drives the fourth mounting bracket and removes, and the fourth mounting bracket drives the expansion rod and removes inside the bearing, and synchronous drive device promotes expansion rod and extends the spacing groove synchronous expansion of limiting disc and contradict with the bearing inner circle, but through the synchronous expansion of several expansion rod stable fixed bearing.
7. The utility model provides a promote spacing slide bar and prolong drive spout slip when rotating through rotatory driving disk, spacing slide bar drives spacing slider and removes, and spacing slider is prolonged the spacing groove of limiting disk and is slided, drives when spacing slider removes and support the feeler lever and remove, and the inner wall of contradicting pole top arcwall face and bearing contradicts, and the top of arcwall face can be effective with the bearing inner wall of different footpaths contradicts.
Drawings
FIG. 1 is a schematic perspective view of a large eccentric shaft and bearings;
FIG. 2 is a front view of the present application;
FIG. 3 is a schematic perspective view of the present application;
FIG. 4 is a top view of the present application;
FIG. 5 is a schematic perspective view of the eccentric shaft placement table of the present application;
FIG. 6 is a second perspective view of the eccentric shaft placement stage of the present application;
FIG. 7 is a schematic perspective view of an angle adjusting device according to the present application;
FIG. 8 is a second perspective view of the angle adjustment device of the present application;
FIG. 9 is a schematic perspective view of a bearing stop block of the present application;
FIG. 10 is a schematic perspective view of the expansion fixation device and compression device of the present application;
FIG. 11 is a front view of the expansion fixation device of the present application;
FIG. 12 is a cross-sectional view taken at section A-A of FIG. 11;
FIG. 13 is a schematic perspective view of the expansion rod of the present application;
fig. 14 is a perspective view of a rotary drive disc of the present application.
The reference numerals in the figures are:
a1-a large eccentric shaft;
a2-a bearing;
1-a mounting table;
2-an eccentric shaft placing table; 2 A-Adjusting the slide rail; 2 b-adjusting the slide block; 2 c-a first mounting bracket; 2 d-supporting rollers; 2 e-pressing the frame;
3-an angle adjusting device; 3 A-A first ball screw slipway; 3 b-a second mounting bracket; 3 c-a first linear drive; 3 d-a third mount; 3 e-a first guide post; 3 f-pressing the wheel; 3 g-a first rotary drive; 3 h-identifying a camera;
4-a bearing limit table; 4 A-A first mounting plate; 4 b-lifting the supporting plate; 4 c-a limit column; 4 d-a second linear drive; 4 e-second guide posts;
5-expanding the fixation device; 5 A-A second ball screw sliding table; 5 b-a fourth mount; 5 c-a limiting disc; 5 d-synchronous driving means; 5d 1-rotating the drive disc; 5d 2-a first mounting plate; 5d 3-a second rotary drive; 5d 4-drive gear; 5d 5-driven ring gear; 5 e-dilating rod; 5e 1-a touch-up lever; 5e 2-limiting slide blocks; 5e 3-limiting slide bars; 5e 4-threaded posts; 5e 5-limit nuts;
6-pressing means; 6 A-A third linear drive; 6 b-pushing and pressing frame.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1 to 14, the present application provides:
the installation method of the large eccentric shaft comprises the following steps of;
s1, horizontally placing a large eccentric shaft on a butt joint press-fitting device through a hoisting device;
s2, adjusting the butt joint position of the large eccentric shaft by the butt joint press-fitting equipment, and fixing the large eccentric shaft;
s3, placing the bearing to be installed at a designated position of the butt joint press-fitting equipment through hoisting equipment;
s4, positioning and fixing the bearing by the butt joint press-fitting equipment, so that the bearing and the large eccentric shaft are kept coaxial;
s5, pushing the fixed bearing to be pressed onto the large eccentric shaft by the butt joint press mounting equipment;
s6, after the press mounting is finished, the butt joint press mounting equipment releases the fixation of the large eccentric shaft and the bearing, and the large eccentric shaft is placed in a region to be treated through the hoisting equipment;
the S2 to S6 are executed by adopting a butt joint press mounting device, wherein the butt joint press mounting device comprises a mounting table 1, an eccentric shaft placing table 2, an angle adjusting device 3, a bearing limiting table 4, an expansion fixing device 5 and a pressing device 6; the eccentric shaft placing table 2 is fixedly arranged on the mounting table 1; the angle adjusting device 3 is arranged beside the eccentric shaft placing table 2, and the angle adjusting device 3 is fixedly connected with the mounting table 1; the bearing limiting table 4 is arranged beside the eccentric shaft placing table 2, and the bearing limiting table 4 is fixedly connected with the mounting table 1; the expansion fixing device 5 is arranged beside the bearing limiting table 4, and the expansion fixing device 5 is fixedly connected with the mounting table 1; the pressing means 6 is fixedly mounted on the expansion fixing means 5.
Based on the above embodiment, the technical problem to be solved by the application is to facilitate the large eccentric shaft to be matched with the bearing. For this reason, this application places large-scale eccentric shaft on the eccentric shaft places platform 2 through lifting device, the eccentric shaft is placed platform 2 and is kept the level and put, angle adjustment device 3 is placed the large-scale eccentric shaft on the platform 2 with the eccentric shaft and is pushed down fixedly, angle adjustment device 3 carries out the adjustment position to the eccentric shaft axle head of large-scale eccentric shaft simultaneously, be convenient for press fitting 6 bearing, large-scale eccentric shaft is fixed, the spacing platform 4 of bearing rises to the assigned position, place the bearing on the spacing platform 4 of bearing through lifting device, the spacing platform 4 of bearing carries out spacing to the bearing, expansion fixing device 5 inserts in the inner circle of bearing, expansion fixing device 5 synchronous expansion is fixed with the bearing location, make bearing and large-scale eccentric shaft keep coaxial line, the spacing platform 4 of bearing returns to normal position and breaks away from the bearing, expansion fixing device 5 is contradicted with large-scale eccentric shaft, press fitting 6 promotes the bearing and breaks away from expansion fixing device 5 to large-scale eccentric shaft removal, make the bearing press-fit to the large-scale eccentric shaft outside. This application can effectually use manpower sparingly, improves production efficiency.
Further, as shown in fig. 5 and 6:
the eccentric shaft placing table 2 comprises an adjusting slide rail 2a, an adjusting slide block 2b, a first mounting bracket 2c, a supporting roller 2d and a pressing frame 2e; the adjusting slide rail 2a is fixedly arranged on the mounting table 1, and a plurality of adjusting holes are formed in the side part of the adjusting slide rail 2 a; the adjusting slide blocks 2b are provided with a plurality of adjusting slide rails 2a and are symmetrically arranged inside the adjusting slide rails; the adjusting slide block 2b is fixedly connected with an adjusting hole of the adjusting slide rail 2a through a bolt; the first mounting brackets 2c are provided with a plurality of adjusting slide blocks 2b and are uniformly distributed on the adjusting slide blocks 2b, and the first mounting brackets 2c are fixedly connected with the adjusting slide blocks 2 b; the supporting rollers 2d are provided with a plurality of supporting rollers and are uniformly distributed on the first mounting bracket 2c, and the supporting rollers 2d are rotatably connected with the first mounting bracket 2 c; the pressing frame 2e is arranged beside the adjusting slide rail 2a, and the pressing frame 2e is fixedly connected with the mounting table 1.
Based on the embodiment, the technical problem to be solved by the application is to facilitate the horizontal positioning of the swing amplifying type eccentric shaft. For this reason, this application is according to the movable position of adjusting slider 2b of the diameter of a shaft of large-scale eccentric shaft in adjusting slide rail 2a, and adjusting slider 2b drives first installing support 2c and removes, and first installing support 2c drives supporting roller 2d adjustment position, places the large-scale eccentric shaft between several supporting roller 2d through lifting device, and supporting roller 2d is with the spacing support of large-scale eccentric shaft and keep the horizontality, and the pressure frame 2e is used for restricting eccentric shaft pressure equipment's position. The spacing of the supporting rollers 2d with adjustable spacing can effectively adapt to large eccentric shafts with different shaft diameters.
Further, as shown in fig. 7 and 8:
the angle adjusting device 3 comprises a first ball screw sliding table 3a, a second mounting bracket 3b, a first linear driver 3c, a third mounting bracket 3d, a first guide column 3e, a pressing wheel 3f, a first rotary driver 3g and an identification camera 3h; the first ball screw sliding table 3a is arranged at the side of the eccentric shaft placing table 2, and the first ball screw sliding table 3a is fixedly connected with the mounting table 1; the second mounting bracket 3b is fixedly mounted on the first ball screw sliding table 3 a; the first linear driver 3c is fixedly arranged on the second mounting bracket 3b, and the working end of the first linear driver 3c is vertically arranged downwards; the third mounting frame 3d is fixedly arranged at the output end of the first linear driver 3 c; the first guide post 3e is fixedly arranged on the third mounting frame 3d, and one end of the first guide post 3e far away from the third mounting frame 3d penetrates through the second mounting bracket 3b to be in sliding connection with the first guide post; the pressing wheel 3f is rotationally connected with the second mounting bracket 3 b; the first rotary driver 3g is fixedly arranged on the third mounting frame 3d, and the output end of the first rotary driver 3g is in transmission connection with the pressing wheel 3 f; the recognition camera 3h is fixedly mounted on the expansion fixing device 5.
Based on the above embodiment, the technical problem to be solved by the present application is to be used for adjusting the angle of placement of the large eccentric shaft. For this reason, this application places between the large-scale eccentric shaft to several backing roller 2d through lifting device, ball screw slip table drives and supports pinch roller 3f and remove directly over the large-scale eccentric shaft, first linear drive 3c is preferably electric putter, electric putter promotes second installing support 3b and descends, the second mounting bracket drives and supports pinch roller 3f and contradicts with large-scale eccentric shaft, large-scale eccentric shaft is pressed by support pinch roller 3f and is fixed, first rotary drive 3g is preferably servo motor, servo motor drives and supports pinch roller 3f and rotates, support pinch roller 3f rotates and drives large-scale eccentric shaft and rotate, it rotates to drive eccentric shaft end when large-scale eccentric shaft rotates, discernment camera 3h is preferably CCD detects the camera, CCD detects whether the eccentric shaft end that the camera detected large-scale eccentric shaft rotated suitable position, can effectual automatic identification adjustment large-scale eccentric shaft position through the CCD detects the camera.
Further, as shown in fig. 8:
an elastic abutting layer is arranged on the outer side of the abutting wheel 3f, and a plurality of anti-slip strips are arranged on the surface of the elastic abutting layer.
Based on the above embodiments, the technical problem to be solved by the present application is to facilitate increasing the friction force of the pressing wheel 3f and the large eccentric shaft. Therefore, when the elastic pressing wheel 3f is pressed against the large eccentric shaft, the elastic pressing layer on the outer side of the pressing wheel 3f is pressed against the large eccentric shaft to slow down pressing force, and the plurality of anti-slip strips of the elastic pressing layer can improve the transmissibility through the friction force when the pressing wheel 3f rotates.
Further, as shown in fig. 9:
the bearing limit table 4 comprises a first mounting plate 4a, a lifting supporting plate 4b, a limit column 4c, a second linear driver 4d and a second guide column 4e; the first mounting plate 4a is fixedly arranged inside the mounting table 1; the second linear driver 4d is fixedly arranged on the first mounting plate 4a, and the output end of the second linear driver 4d extends vertically upwards; the lifting supporting plate 4b is fixedly arranged at the output end of the second linear driver 4d, and a plurality of adjusting holes are formed in the side part of the lifting supporting plate 4 b; the second guide columns 4e are provided with a plurality of guide columns and are distributed on the lifting supporting plate 4b, one end of each second guide column 4e is fixedly connected with the lifting supporting plate 4b, and one end of each second guide column 4e far away from the lifting supporting plate 4b penetrates through the first mounting plate 4a to be connected with the corresponding guide column in a sliding manner; the limiting columns 4c are provided with a plurality of limiting columns which are distributed on the lifting supporting plate 4b, and the limiting columns 4c are fixed on the adjusting holes of the lifting supporting plate 4b through bolts.
Based on the above embodiment, the technical problem to be solved by the present application is that the spacing placement bearing is convenient for the fixed clamping and fixing of the expansion fixing device 5. For this reason, this application is preferential hydraulic push rod through second linear drive 4d, and hydraulic push rod promotes lift layer board 4b and rises to the assigned position, and spacing post 4c interval position is adjusted to the bearing diameter more, places the bearing on lift layer board 4b through lifting device, and spacing post 4c is used for blockking the bearing and removes and make the spacing fixed centre gripping of expansion fixing device 5 of being convenient for of bearing fixed, through adjustable spacing post 4c interval position, the spacing adaptability of effectual improvement bearing.
Further, as shown in fig. 10 and 11:
the expansion fixing device 5 comprises a second ball screw sliding table 5a, a fourth mounting frame 5b, a limiting disc 5c, an expansion rod 5e and a synchronous driving device 5d; the second ball screw sliding table 5a is arranged beside the bearing limiting table 4, and the second ball screw sliding table 5a is fixedly connected with the mounting table 1; the fourth mounting frame 5b is fixedly connected with the second ball screw sliding table 5 a; the limiting disc 5c is fixedly arranged on the fourth mounting frame 5b, and a plurality of limiting grooves are formed in the limiting disc 5c and are uniformly distributed; the expansion rods 5e are provided with a plurality of limit grooves which are uniformly distributed on the limit disc 5c, and the expansion rods 5e and the limit grooves of the limit disc 5 c; the synchronous driving device 5d is fixedly arranged on the fourth mounting frame 5b, and the transmission end of the synchronous driving device 5d is in sliding connection with the expansion rod 5 e.
Based on the above embodiments, the technical problem to be solved by the present application is to stabilize a fixed bearing. For this reason, this application places the bearing on the bearing spacing platform 4 through lifting device, and ball screw slip table drives fourth mounting bracket 5b and removes, and fourth mounting bracket 5b drives expansion rod 5e and removes to the bearing inside, and synchronous drive device 5d promotes expansion rod 5e and extends spacing groove synchronous expansion of spacing dish 5c and contradict with the bearing inner race, can stabilize fixed bearing through the synchronous expansion of several expansion rod 5 e.
Further, as shown in fig. 12:
the synchronous drive 5d includes a rotary drive disk 5d1, a second mounting plate 5d2, a second rotary driver 5d3, a driving gear 5d4, and a driven ring gear 5d5; the rotary driving disc 5d1 is rotatably arranged on the limiting disc 5c, and a plurality of driving sliding grooves are formed in the rotary driving disc 5d 1; the driven gear ring 5d5 is fixedly installed on the outer side of the rotary drive disc 5d 1; the second mounting plate 5d2 is fixedly mounted on the fourth mounting frame 5 b; the second rotary driver 5d3 is fixedly mounted on the second mounting plate 5d 2; the driving gear 5d4 is fixedly installed at the output end of the second rotary driver 5d3, and the driving gear 5d4 is meshed with the driven gear ring 5d 5.
Based on the above embodiment, the technical problem to be solved by the present application is to drive the expansion rod 5e to synchronously expand and move. For this reason, this application drives fourth mounting bracket 5b through ball screw slip table and removes, and fourth mounting bracket 5b drives expansion rod 5e and removes to the bearing when inside, and second rotary actuator 5d3 is preferably servo motor, and servo motor drives driving gear 5d4 and rotates, and the action wheel drives driven ring gear 5d5 and rotates, and driven ring gear 5d5 drives rotary drive dish 5d1 and rotates, and rotary drive dish 5d1 promotes expansion rod 5e through driving the spout when rotating and removes, and expansion rod 5e is along the spacing groove expansion of spacing dish 5c and is removed, and through rotary drive dish 5d1 can effectual synchronous drive several expansion rod 5e removal.
Further, as shown in fig. 14:
the driving chute on the rotary driving disk 5d1 is inclined, and the inclination angle of the driving chute is 45 °.
Based on the above embodiment, the technical problem to be solved by the present application is to push the expansion rod 5e to move. For this reason, this application rotates through rotary drive dish 5d1, and the drive spout on the rotary drive dish 5d1 is the slope form, and the drive spout of slope passes through inclination and returns the spacing groove slip of promotion extension rod 5e limit dish 5 c.
Further, as shown in fig. 13:
the expansion rod 5e comprises a contact supporting rod 5e1, a limit sliding block 5e2, a limit sliding rod 5e3 and a limit nut 5e5; the limit sliding block 5e2 is slidably arranged in a limit groove of the limit disc 5 c; the abutting rod 5e1 is fixedly arranged on the limiting slide block 5e2, the top of the abutting rod 5e1 is arc-shaped, and an abutting pad is arranged at one end, far away from the limiting slide block 5e2, of the abutting rod 5e 1; the limiting slide rod 5e3 is fixed at one end of the limiting slide block 5e2 far away from the abutting rod 5e1, and a threaded column 5e4 is arranged at one end of the limiting slide rod 5e3 far away from the limiting slide block 5e 2; the limit nut 5e5 is fixedly arranged on the threaded column 5e4 of the limit slide rod 5e 3.
Based on the above embodiment, the technical problem that this application wants to solve is the expansion of being convenient for contradict the bearing inner wall. For this reason, promote spacing slide bar 5e3 when this application rotates through rotary drive dish 5d1 and prolong the drive spout and slide, spacing slide bar 5e3 drives spacing slider 5e2 and removes, and spacing slider 5e2 is prolonged the spacing groove of spacing dish 5c and is slided, drives when spacing slider 5e2 removes and supports feeler lever 5e1 and remove, and the arc face of contradict lever 5e1 top contradicts with the inner wall of bearing, and the top of arc face can effectively contradict with the bearing inner wall of different footpaths.
Further, as shown in fig. 10:
the pressing device 6 includes a third linear actuator 6a and a pressing frame 6b; the third linear actuator 6a is fixedly mounted on the fourth mounting frame 5 b; the pushing frame 6b is slidably sleeved on the expansion rod 5e, and the pushing frame 6b is fixedly connected with the output end of the third linear driver 6 a.
Based on the above embodiment, the technical problem to be solved by the present application is that the thrust bearing is press-fitted onto the large eccentric shaft. For this reason, this application places the bearing on the bearing spacing platform 4 through lifting device, ball screw slip table drives fourth mounting bracket 5b and removes, fourth mounting bracket 5b drives expansion rod 5e and removes to the bearing inside, synchronous drive device 5d promotes expansion rod 5e and extends spacing groove synchronous expansion of spacing dish 5c and conflict with the bearing inner race, fix the bearing location, the bearing spacing platform 4 descends and returns to the normal position, ball screw slip table drives the bearing and removes to large-scale eccentric shaft, expansion rod 5e and large-scale eccentric shaft conflict, third linear drive 6a is hydraulic push rod preferably, hydraulic push rod pushes away the frame 6b and removes. The pushing frame 6b pushes the bearing to slide on the expansion rod 5e, the bearing moves toward the large eccentric shaft, and the pushing frame 6b presses the bearing onto the large eccentric shaft.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (2)
1. The installation method of the large eccentric shaft is characterized by comprising the following steps of;
s1, horizontally placing a large eccentric shaft on a butt joint press-fitting device through a hoisting device;
s2, adjusting the butt joint position of the large eccentric shaft by the butt joint press-fitting equipment, and fixing the large eccentric shaft;
s3, placing the bearing to be installed at a designated position of the butt joint press-fitting equipment through hoisting equipment;
s4, positioning and fixing the bearing by the butt joint press-fitting equipment, so that the bearing and the large eccentric shaft are kept coaxial;
s5, pushing the fixed bearing to be pressed onto the large eccentric shaft by the butt joint press mounting equipment;
s6, after the press mounting is finished, the butt joint press mounting equipment releases the fixation of the large eccentric shaft and the bearing, and the large eccentric shaft is placed in a region to be treated through the hoisting equipment;
the S2 to S6 are executed by adopting a butt joint press mounting device, wherein the butt joint press mounting device comprises a mounting table (1), an eccentric shaft placing table (2), an angle adjusting device (3), a bearing limiting table (4), an expansion fixing device (5) and a pressing device (6); the eccentric shaft placing table (2) is fixedly arranged on the mounting table (1); the angle adjusting device (3) is arranged beside the eccentric shaft placing table (2), and the angle adjusting device (3) is fixedly connected with the mounting table (1); the bearing limiting table (4) is arranged beside the eccentric shaft placing table (2), and the bearing limiting table (4) is fixedly connected with the mounting table (1); the expansion fixing device (5) is arranged beside the bearing limiting table (4), and the expansion fixing device (5) is fixedly connected with the mounting table (1); the pressing device (6) is fixedly arranged on the expansion fixing device (5);
the eccentric shaft placing table (2) comprises an adjusting sliding rail (2 a), an adjusting sliding block (2 b), a first mounting bracket (2 c), a supporting roller (2 d) and a pressing frame (2 e); the adjusting slide rail (2 a) is fixedly arranged on the mounting table (1), and a plurality of adjusting holes are formed in the side part of the adjusting slide rail (2 a); the adjusting slide blocks (2 b) are provided with a plurality of adjusting slide rails (2 a) which are symmetrically arranged inside; the adjusting slide block (2 b) is fixedly connected with an adjusting hole of the adjusting slide rail (2 a) through a bolt; the first mounting brackets (2 c) are provided with a plurality of adjusting slide blocks (2 b) and are uniformly distributed on the adjusting slide blocks (2 b), and the first mounting brackets (2 c) are fixedly connected with the adjusting slide blocks (2 b); the supporting rollers (2 d) are provided with a plurality of uniformly distributed on the first mounting bracket (2 c), and the supporting rollers (2 d) are rotationally connected with the first mounting bracket (2 c); the pressing frame (2 e) is arranged beside the adjusting slide rail (2 a), and the pressing frame (2 e) is fixedly connected with the mounting table (1);
the angle adjusting device (3) comprises a first ball screw sliding table (3 a), a second mounting bracket (3 b), a first linear driver (3 c), a third mounting bracket (3 d), a first guide post (3 e), a pressing wheel (3 f), a first rotary driver (3 g) and an identification camera (3 h); the first ball screw sliding table (3 a) is arranged beside the eccentric shaft placing table (2), and the first ball screw sliding table (3 a) is fixedly connected with the mounting table (1); the second mounting bracket (3 b) is fixedly arranged on the first ball screw sliding table (3 a); the first linear driver (3 c) is fixedly arranged on the second mounting bracket (3 b), and the working end of the first linear driver (3 c) is vertically arranged downwards; the third mounting frame (3 d) is fixedly arranged at the output end of the first linear driver (3 c); the first guide post (3 e) is fixedly arranged on the third mounting frame (3 d), and one end of the first guide post (3 e) far away from the third mounting frame (3 d) penetrates through the second mounting bracket (3 b) to be connected with the first guide post in a sliding manner; the pressing wheel (3 f) is rotationally connected with the second mounting bracket (3 b); the first rotary driver (3 g) is fixedly arranged on the third mounting frame (3 d), and the output end of the first rotary driver (3 g) is in transmission connection with the pressing wheel (3 f); the identification camera (3 h) is fixedly arranged on the expansion fixing device (5);
an elastic abutting layer is arranged on the outer side of the abutting wheel (3 f), and a plurality of anti-slip strips are arranged on the surface of the elastic abutting layer;
the expansion fixing device (5) comprises a second ball screw sliding table (5 a), a fourth mounting rack (5 b), a limiting disc (5 c), an expansion rod (5 e) and a synchronous driving device (5 d); the second ball screw sliding table (5 a) is arranged beside the bearing limiting table (4), and the second ball screw sliding table (5 a) is fixedly connected with the mounting table (1); the fourth mounting frame (5 b) is fixedly connected with the second ball screw sliding table (5 a); the limiting disc (5 c) is fixedly arranged on the fourth mounting frame (5 b), and a plurality of limiting grooves are formed in the limiting disc (5 c) and are uniformly distributed; the expansion rods (5 e) are provided with a plurality of limit grooves which are uniformly distributed on the limit disc (5 c), and the expansion rods (5 e) and the limit grooves of the limit disc (5 c); the synchronous driving device (5 d) is fixedly arranged on the fourth mounting frame (5 b), and the transmission end of the synchronous driving device (5 d) is in sliding connection with the expansion rod (5 e);
the synchronous driving device (5 d) comprises a rotary driving disc (5 d 1), a second mounting plate (5 d 2), a second rotary driver (5 d 3), a driving gear (5 d 4) and a driven gear ring (5 d 5); the rotary driving disc (5 d 1) is rotatably arranged on the limiting disc (5 c), and a plurality of driving sliding grooves are formed in the rotary driving disc (5 d 1); the driven gear ring (5 d 5) is fixedly arranged on the outer side of the rotary driving disc (5 d 1); the second mounting plate (5 d 2) is fixedly arranged on the fourth mounting frame (5 b); the second rotary driver (5 d 3) is fixedly arranged on the second mounting plate (5 d 2); the driving gear (5 d 4) is fixedly arranged at the output end of the second rotary driver (5 d 3), and the driving gear (5 d 4) is meshed with the driven gear ring (5 d 5);
the driving chute on the rotary driving disc (5 d 1) is inclined, and the inclination angle of the driving chute is 45 degrees;
the expansion rod (5 e) comprises a contact supporting rod (5 e 1), a limit sliding block (5 e 2), a limit sliding rod (5 e 3) and a limit nut (5 e 5); the limit sliding block (5 e 2) is slidably arranged in a limit groove of the limit disc (5 c); the abutting rod (5 e 1) is fixedly arranged on the limiting slide block (5 e 2), the top of the abutting rod (5 e 1) is arc-shaped, and an abutting pad is arranged at one end, far away from the limiting slide block (5 e 2), of the abutting rod (5 e 1); the limiting slide rod (5 e 3) is fixed at one end of the limiting slide block (5 e 2) far away from the abutting rod (5 e 1), and a threaded column (5 e 4) is arranged at one end of the limiting slide rod (5 e 3) far away from the limiting slide block (5 e 2); the limit nut (5 e 5) is fixedly arranged on a threaded column (5 e 4) of the limit slide rod (5 e 3);
the pressing device (6) comprises a third linear driver (6 a) and a pushing frame (6 b); the third linear driver (6 a) is fixedly arranged on the fourth mounting frame (5 b); the pushing frame (6 b) is sleeved on the expansion rod (5 e) in a sliding mode, and the pushing frame (6 b) is fixedly connected with the output end of the third linear driver (6 a).
2. A large eccentric shaft mounting method according to claim 1, characterized in that the bearing limit table (4) comprises a first mounting plate (4 a), a lifting pallet (4 b), a limit post (4 c), a second linear drive (4 d) and a second guide post (4 e); the first mounting plate (4 a) is fixedly arranged in the mounting table (1); the second linear driver (4 d) is fixedly arranged on the first mounting plate (4 a), and the output end of the second linear driver (4 d) extends vertically upwards; the lifting supporting plate (4 b) is fixedly arranged at the output end of the second linear driver (4 d), and a plurality of adjusting holes are formed in the side part of the lifting supporting plate (4 b); the second guide posts (4 e) are provided with a plurality of guide posts and are distributed on the lifting supporting plate (4 b), one end of each second guide post (4 e) is fixedly connected with the lifting supporting plate (4 b), and one end of each second guide post (4 e) far away from the lifting supporting plate (4 b) penetrates through the first mounting plate (4 a) to be connected with the corresponding first mounting plate in a sliding manner; the limiting columns (4 c) are distributed on the lifting supporting plate (4 b), and the limiting columns (4 c) are fixed on the adjusting holes of the lifting supporting plate (4 b) through bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521792.1A CN114749889B (en) | 2022-05-13 | 2022-05-13 | Large eccentric shaft mounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521792.1A CN114749889B (en) | 2022-05-13 | 2022-05-13 | Large eccentric shaft mounting method |
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| CN114749889A CN114749889A (en) | 2022-07-15 |
| CN114749889B true CN114749889B (en) | 2023-04-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2964219B2 (en) * | 1995-08-30 | 1999-10-18 | アイセル株式会社 | Roll support device under the roll bending device |
| CN105436869B (en) * | 2016-01-06 | 2017-10-17 | 江苏科技大学 | Crankshaft of diesel engine damper assembly and disassembly support platform |
| CN108608193A (en) * | 2018-05-14 | 2018-10-02 | 东北大学 | A kind of large fan class blade shaft assignment flange cooperation tool mechanism |
| CN110253266A (en) * | 2019-07-17 | 2019-09-20 | 安徽工业大学 | A kind of rear axle in vehicle housing assy spindle nose and middle section press-loading device |
| CN112678097B (en) * | 2020-12-31 | 2022-03-11 | 广汽本田汽车有限公司 | Automatic identification drive shaft anti-misoperation installation system and control method thereof |
| CN113118738A (en) * | 2021-03-16 | 2021-07-16 | 宁波市玉龙汽车部件有限公司 | High-stability bearing press-riveting integrated machine |
| CN113681267B (en) * | 2021-09-01 | 2022-07-08 | 宁波银球小型轴承有限公司 | High-speed energy-saving bearing oil seal press-fitting integrated machine for washing machine roller |
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