CN110640674B - Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool - Google Patents
Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool Download PDFInfo
- Publication number
- CN110640674B CN110640674B CN201910465259.6A CN201910465259A CN110640674B CN 110640674 B CN110640674 B CN 110640674B CN 201910465259 A CN201910465259 A CN 201910465259A CN 110640674 B CN110640674 B CN 110640674B
- Authority
- CN
- China
- Prior art keywords
- vibration exciter
- bearing
- hydraulic cylinder
- unit
- platform
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
Abstract
The invention belongs to a flexible assembly tool for a vibration exciter bearing and an assembly method of the tool; the vibration exciter clamping unit is arranged in the middle of the middle beam unit, the hydraulic cylinder supporting frames are respectively arranged at the tops of two sides of the middle beam unit, and a top beam is arranged between the tops of the two hydraulic cylinder supporting frames; the vibration exciter clamping unit comprises a lifting platform unit, an adjusting platform unit and a vibration exciter clamping platform unit; the bearing assembly device has the advantages of simple structure, reasonable design, high safety coefficient, high efficiency and low labor intensity, can realize flexible assembly, can enable the bearing to synchronously enter a bearing chamber under the condition of no inclination, can effectively prevent the occurrence of damage to the bearing and the shaft, and can also improve the assembly precision of the bearing.
Description
Technical Field
The invention belongs to the technical field of vibration exciter assembly for a vibrating screen, and particularly relates to a flexible assembly tool for a vibration exciter bearing and an assembly method of the flexible assembly tool.
Background
At present, a conventional vibration exciter is provided with four bearing chambers which are symmetrically arranged, and the following two methods are generally adopted when the vibration exciter is used for assembling a bearing: 1. assembling by a press; 2. assembling by manpower; when the assembly is carried out by adopting a press machine, a travelling crane is generally adopted to hoist the vibration exciter, the vibration exciter is hoisted around the press machine, and the bearing is pressed into a bearing chamber of the vibration exciter by the press machine, so that the method has the defects of low safety coefficient and low efficiency due to the requirement of travelling crane hoisting, and seriously threatens the life of field operators; when the vibration exciter is assembled manually, the vibration exciter is generally placed at a proper position, and the bearing is assembled into a bearing chamber of the vibration exciter manually by striking the bearing through a copper hammer. The two modes belong to hard assembly, a bearing or a shaft is easy to damage, and especially the assembly precision of the bearing can not meet the technological requirements, a series of problems such as bearing locking, overhigh temperature of a bearing chamber and the like easily occur in the using process of the vibration exciter, and the service life of the vibration exciter is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the vibration exciter bearing flexible assembly tool which has the advantages of simple structure, reasonable design, high safety coefficient, high efficiency and low labor intensity, can realize flexible assembly, can enable a bearing to synchronously enter a bearing chamber under the condition of no inclination, can effectively prevent the occurrence of the condition of damaging the bearing and a shaft, and can also improve the assembly precision of the bearing, and the assembly method of the tool.
The purpose of the invention is realized in the following way: the vibration exciter clamping unit is arranged in the middle of the middle beam unit, the vibration exciter is clamped and the position of the vibration exciter is adjusted, the hydraulic cylinder supporting frames for installing and fixing the hydraulic cylinders are respectively arranged at the tops of the two sides of the middle beam unit, and a top beam for fixing the hydraulic cylinder supporting frames and installing a hydraulic station is arranged between the tops of the two hydraulic cylinder supporting frames; the vibration exciter clamping unit comprises a lifting platform unit for adjusting the height of the vibration exciter, an adjusting platform unit for adjusting the front-back distance of the vibration exciter and a vibration exciter clamping platform unit arranged at the top of the vibration exciter clamping unit.
Preferably, the middle beam unit comprises a middle beam body, a first motor with a worm gear reducer is arranged in the middle of the middle beam body, support platform connecting flanges for connecting support platforms are respectively arranged on the front surface and the rear surface of the middle beam body on two sides of the first motor, and hydraulic support frame flanges for installing hydraulic cylinder support frames are respectively arranged on the tops of two sides of the middle beam body; the front surface and the back surface are respectively and correspondingly provided with a supporting platform on the supporting platform connecting flange, and the first motor is connected with the lifting platform unit through the lifting transmission assembly.
Preferably, the lifting transmission assembly comprises first transmission shafts which are respectively arranged at two sides of the worm gear reducer main shaft and connected with the worm gear reducer main shaft, the tail ends of the two first transmission shafts are respectively connected with corresponding steering gears, the two ends of each steering gear are respectively connected with the lifter through corresponding second transmission shafts, guide posts are arranged at the outer sides of the lifters, and the guide posts are matched with guide sleeves arranged on the lifters and the guide post mounting plates.
Preferably, the lifting platform unit comprises a lifting platform body, a lifter and a guide column mounting plate are arranged at the bottom of the lifting platform body and at positions corresponding to the lifter and the guide column, a second motor is arranged at the middle position of the front surface of the lifting platform body, the second motor is connected with the front end of a ball screw through a main shaft, a ball screw bearing seat is arranged between the tail end of the ball screw and the upper surface of the lifting platform body, and a ball screw nut is sleeved at the middle part of the ball screw; the two sides of the ball screw are respectively provided with a linear guide fixing plate for fixing the first linear guide.
Preferably, the adjusting platform unit comprises an adjusting platform body, a screw seat matched with a ball screw and a linear guide rail sliding groove matched with a linear guide rail are arranged at the bottom of the adjusting platform body, a double-output-shaft motor is arranged at the top of the adjusting platform body and is connected with two groups of screw rods arranged on the adjusting platform body through an adjusting platform conveying unit, guide rail security rotation fixing grooves for installing a second linear guide rail are respectively arranged on the inner side and the outer side of the screw rods, and the middle part of the screw rods is sleeved with the screw rod screw nuts; the adjusting platform conveying unit comprises a third transmission shaft, one end of the third transmission shaft is connected with an output shaft of the double-output shaft motor through a first diaphragm coupler, the other end of the third transmission shaft is connected with a double-output shaft steering gear through a second diaphragm coupler, and output shafts of the double-output shaft steering gear are respectively connected with a screw rod through corresponding third diaphragm couplers.
Preferably, the vibration exciter clamping platform unit comprises two vibration exciter clamping platform bodies; the two vibration exciter clamping platform bodies are matched with a group of corresponding lead screws respectively; the bottom of vibration exciter centre gripping platform body is equipped with the fixed plate, is equipped with lead screw nut connecting seat in the bottom of fixed plate and the corresponding position of lead screw nut, is equipped with the slider in its position corresponding with second linear guide, and the T type groove that a plurality of was used for fixed vibration exciter has evenly been seted up at the top of vibration exciter centre gripping platform body.
Preferably, the bottom of the hydraulic cylinder supporting frame is provided with a bottom flange connected with the middle beam unit, the top of the hydraulic cylinder supporting frame is provided with a top flange connected with the top beam, the middle upper part of the hydraulic cylinder supporting frame is provided with a hydraulic cylinder mounting hole for fixing the hydraulic cylinder, the fixed end of the hydraulic cylinder is fixedly connected with the hydraulic cylinder mounting hole, and the telescopic end of the hydraulic cylinder is provided with a bearing press-fitting die matched with the bearing.
Preferably, the bottoms of the two ends of the top beam are respectively provided with a support frame connecting flange, and the top of the top beam is provided with a hydraulic station respectively connected with the hydraulic cylinder.
Preferably, reinforcing rib plates with right-angled triangle cross sections are arranged between the tops of the two sides of the middle beam unit and the hydraulic cylinder supporting frame, and the reinforcing rib plates are connected with the middle beam unit and the hydraulic cylinder supporting frame through bolts.
An assembly method of a flexible assembly fixture for a vibration exciter bearing comprises the following steps:
step one: the main shaft of the second motor drives the ball screw to rotate, and the ball screw nut and the first linear guide rail drive the adjusting platform body to move to a position corresponding to the top of the supporting platform in the process of rotating the ball screw;
step two: starting a motor with double output shafts, and adjusting the distance between two vibration exciter clamping platform bodies through an adjusting platform conveying unit to enable the distance to be matched with the vibration exciter;
step three: hoisting the vibration exciter on the two vibration exciter clamping platform bodies through the travelling crane, and fixing the vibration exciter and the vibration exciter clamping platform bodies through bolts;
step four: the height of the vibration exciter clamping unit is adjusted through the first motor, so that the bearing chamber hole of the vibration exciter and the telescopic end of the hydraulic cylinder are positioned on the same horizontal plane;
step five: the second motor is used for adjusting the platform unit, so that a bearing chamber hole of the vibration exciter and the bearing press-mounting die are positioned on the same straight line;
step six: the telescopic ends of the two hydraulic cylinders are simultaneously telescopic through a hydraulic station, and the bearing is pressed into a bearing chamber hole of the vibration exciter through a bearing press-fitting die;
step seven: after bearing press mounting is completed, the telescopic ends of the two hydraulic cylinders are retracted simultaneously through the hydraulic station, the telescopic ends of the hydraulic cylinders are retracted and then drive the adjusting platform body to move to the corresponding position at the top of the supporting platform through the second motor, bolts between the vibration exciter and the vibration exciter clamping platform body are unscrewed, and the vibration exciter after bearing assembly is hoisted to a proper position through a travelling crane.
The invention has the advantages of simple structure, reasonable design, high safety coefficient, high efficiency and low labor intensity, can realize flexible assembly, can lead the bearing to synchronously enter the bearing chamber under the condition of no inclination, can effectively prevent the bearing and the shaft from being damaged, and can also improve the assembly precision of the bearing.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic structural view of the intermediate beam unit and the support platform of the present invention.
Fig. 4 is a schematic structural diagram of a lifting platform unit according to the present invention.
Fig. 5 is a schematic side view of the elevating platform unit according to the present invention.
Fig. 6 is a schematic structural diagram of an adjustment platform unit according to the present invention.
Fig. 7 is a schematic front view of the adjusting platform unit according to the present invention.
Fig. 8 is a schematic side view of the adjusting platform unit of the present invention.
Fig. 9 is a schematic side view of the exciter clamping platform unit of the present invention.
Fig. 10 is a schematic front view of the exciter clamping platform unit of the present invention.
Fig. 11 is a schematic view of a hydraulic cylinder support frame structure of the present invention.
Fig. 12 is a schematic view of the structure of the header of the present invention.
Fig. 13 is a schematic view of the reinforcing plate structure of the present invention.
Fig. 14 is a schematic view of two different types of bearing press-fit dies.
Fig. 15 is a main loop circuit diagram of the present invention.
Fig. 16 is a schematic diagram of a control loop of the present invention.
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals refer to like parts throughout the various views. For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product.
As shown in fig. 1-14, the invention relates to a flexible assembly fixture for a vibration exciter bearing and an assembly method of the fixture, wherein the flexible assembly fixture comprises a middle beam unit 1 for supporting and fixing a vibration exciter clamping unit 2 and a hydraulic cylinder supporting frame 3, the middle part of the middle beam unit 1 is provided with the vibration exciter clamping unit 2 for clamping a vibration exciter and adjusting the position of the vibration exciter, the tops of two sides of the middle beam unit 1 are respectively provided with the hydraulic cylinder supporting frame 3 for installing and fixing a hydraulic cylinder 34, and a top beam 5 for fixing the hydraulic cylinder supporting frame 3 and installing a hydraulic station 4 is arranged between the tops of the two hydraulic cylinder supporting frames 3; the vibration exciter clamping unit 2 comprises a lifting platform unit 21 for adjusting the height of the vibration exciter, an adjusting platform unit 22 for adjusting the front-rear distance of the vibration exciter and a vibration exciter clamping platform unit 23 arranged at the top of the vibration exciter clamping unit. The middle beam unit is used for fixing the hydraulic cylinder supporting frame 3 and is connected with the vibration exciter clamping unit 2 through the supporting platform 15, the middle beam unit is a foundation of the whole device, and a plurality of reinforcing ribs can be longitudinally and transversely arranged in the middle beam unit, so that the strength of the whole tool can be improved, the weight of the bottom of the whole tool can be increased, and the purpose of improving the stability of the whole tool can be achieved; the vibration exciter clamping unit 2 is used for exciting and adjusting the position of the vibration exciter, so that the bearing chamber of the vibration exciter is matched with the position of the hydraulic cylinder 34, and flexible press fitting of the bearing is realized; the bottoms of the two hydraulic cylinder supporting frames 3 are connected with the middle beam unit 1, the tops of the two hydraulic cylinder supporting frames are connected with the top beam 5, and the structure can improve the stability of the two hydraulic cylinder supporting frames and provide firm support for the hydraulic cylinders 34, and a good foundation is provided for later bearing press-fitting.
Further, the middle beam unit 1 comprises a middle beam body 11, a first motor 12 with a worm gear reducer is arranged in the middle of the middle beam body 11, support platform connecting flanges 13 for connecting support platforms 15 are respectively arranged on the front surface and the rear surface of the middle beam body 11 on two sides of the first motor 12, and hydraulic support frame flanges 14 for installing the hydraulic cylinder support frames 3 are respectively arranged on the tops of two sides of the middle beam body 11; the support platform 15 is correspondingly installed on the support platform connecting flanges 13 on the front surface and the rear surface, and the first motor 12 is connected with the lifting platform unit 21 through the lifting transmission assembly 16. The model of the worm gear reducer is preferably an SLK47 worm gear reducer, the top of the supporting platform 15 is provided with the vibration exciter clamping unit 2, and a plurality of longitudinal and transverse reinforcing ribs are arranged inside the supporting platform 15 so as to improve the firmness of the supporting platform 15.
Further, the lifting transmission assembly 16 includes first transmission shafts 161 respectively disposed at two sides of the worm gear reducer spindle and connected to the worm gear reducer spindle, the ends of the two first transmission shafts 161 are respectively connected to respective corresponding steering gears 162, two ends of the steering gears 162 are respectively connected to the lifter 164 through respective corresponding second transmission shafts 163, a guide post 165 is disposed at the outer side of the lifter 164, and the guide post 165 is adapted to a guide sleeve 219 disposed on the lifter and the guide post mounting plate 212. The first motor 12 drives the first transmission shafts 161 on the two support platforms 15 through worm gear reducers, the first transmission shafts 161 drive the lifters 164 to lift through the steering gears 162 and the second transmission shafts 163, and the lifters 164 are SWL10 lifters, wherein DJM membrane couplings are adopted between the worm gear reducer main shafts and the first transmission shafts 161, the first transmission shafts 161 and the steering gears 162, the steering gears 162 and the second transmission shafts 163 and between the second transmission shafts 163 and the lifters 164, so that the purpose of transmission of each part is realized; the diverter 162 preferably employs a T8-1/3-1 diverter.
Further, the lifting platform unit 21 includes a lifting platform body 211, a lifter and guide post mounting plate 212 is disposed at a position corresponding to the lifter 164 and the guide post 165 at the bottom of the lifting platform body 211, a second motor 213 is disposed at a middle position of the front surface of the lifting platform body 211, the second motor 213 is connected to the front end of a ball screw 214 through a main shaft, a ball screw bearing seat 215 is disposed between the tail end of the ball screw 214 and the upper surface of the lifting platform body 211, and a ball screw nut 216 is sleeved in the middle of the ball screw 214; the ball screw 214 is provided with linear guide fixing plates 218 for fixing the first linear guide 217 on both sides thereof. The bottom of the lifting platform body 211 is connected with the lifter 164 and the guide post 165 through the lifter and guide post mounting plate 212, so as to achieve the purpose of driving the lifting platform body 211 to lift through the first motor 12, and the guide post 165 is arranged between the lifting platform body 211 and the middle beam body 11 for stabilizing and ensuring the lifting action of the lifting platform body 211. In the present invention, the ball screw 216 can be moved back and forth on the ball screw 214 by forward and reverse rotation of the second motor 213, so as to drive the adjustment platform unit 22 to move back and forth.
Further, the adjusting platform unit 22 includes an adjusting platform body 221, a nut seat 222 adapted to the ball screw nut 216 and a linear guide rail sliding groove 223 adapted to the linear guide rail 217 are provided at the bottom of the adjusting platform body 221, a dual output shaft motor 224 is provided at the middle position of the top of the adjusting platform body 221, the dual output shaft motor 224 is connected with two sets of screw rods 225 provided on the adjusting platform body 221 through an adjusting platform conveying unit 228, guide rail rotation fixing grooves 227 for installing a second linear guide rail 226 are provided at the inner side and the outer side of the screw rods 225, and a screw nut 229 is sleeved at the middle part of the screw rods 225; according to the invention, the adjusting platform body 221 can move back and forth on the top of the lifting platform body 211, the nut seat 222 at the bottom of the adjusting platform body 221 is connected with the ball screw 216, the linear guide rail sliding groove 223 is matched with the linear guide rail 217, when the second motor 213 rotates forward and backward, the ball screw 216 drives the adjusting platform body 221 to move back and forth through the nut seat 222, and meanwhile, the linear guide rail sliding groove 223 can play a guiding role. The adjusting platform transmission unit 228 includes a third transmission shaft 2281, one end of the third transmission shaft 2281 is connected to the output shaft of the dual output shaft motor 224 through a first diaphragm coupling 2282, the other end of the third transmission shaft 2281 is connected to the dual output shaft steering device 2284 through a second diaphragm coupling 2283, and the output shafts of the dual output shaft steering device 2284 are respectively connected to the screw rod 225 through corresponding third diaphragm couplings 2285. When the double-output-shaft motor 224 is started, the main shaft of the double-output-shaft motor is driven to drive the third transmission shaft 2281 through the first diaphragm coupling 2282, the third transmission shaft 2281 is driven to rotate the double-output-shaft steering gear 2284 through the second diaphragm coupling 2283, and the double-output-shaft steering gear 2284 is driven to rotate the lead screw 225 through the third diaphragm coupling 2285, so that the movement of the lead screw nut 229 is finally realized; the two vibration exciter clamping platform bodies 231 can simultaneously move outwards or inwards when the double-output-shaft motor 224 is started through the structure.
Further, the exciter clamping platform unit 23 includes two exciter clamping platform bodies 231; the two vibration exciter clamping platform bodies 231 are matched with a group of lead screws 225 corresponding to each other; the bottom of the vibration exciter clamping platform body 231 is provided with a fixed plate 232, a screw nut connecting seat 235 is arranged at the position of the bottom of the fixed plate 232 corresponding to the screw nut 229, a sliding block 233 is arranged at the position of the bottom of the fixed plate corresponding to the second linear guide rail 226, and a plurality of T-shaped grooves 234 for fixing the vibration exciter are uniformly formed in the top of the vibration exciter clamping platform body 231. Two vibration exciter clamping platform bodies 231 are matched with a group of corresponding lead screws 225, a lead screw connecting seat 235 at the bottom of a fixing plate 232 is connected with a lead screw 229, a sliding block 233 is matched with a second linear guide rail 226, a double-output shaft motor 224 is started to enable the two vibration exciter clamping platform bodies 231 to move outwards or inwards simultaneously, when the distance between the two vibration exciter clamping platform bodies 231 is proper, a T-shaped groove 234 is used for fixing vibration exciters, and the vibration exciters are placed between the two vibration exciter clamping platform bodies 231.
Further, a bottom flange 31 for connecting with the middle beam unit 1 is arranged at the bottom of the hydraulic cylinder supporting frame 3, a top flange 32 for connecting with the top beam 5 is arranged at the top of the hydraulic cylinder supporting frame 3, a hydraulic cylinder mounting hole 33 for fixing a hydraulic cylinder 34 is formed in the middle upper portion of the hydraulic cylinder supporting frame 3, the fixed end of the hydraulic cylinder 34 is fixedly connected with the hydraulic cylinder mounting hole 33, and a bearing press-fitting die 341 matched with a bearing is arranged at the telescopic end of the hydraulic cylinder 34. The hydraulic cylinder support frame 3 on the outer side of the hydraulic cylinder mounting hole 33 is provided with a hydraulic cylinder support used for fixing the hydraulic cylinder 34, and the hydraulic cylinder support is firmly fixed with the hydraulic cylinder 34, so that the hydraulic cylinder 34 can be prevented from displacing when the bearing is pressed. The name of the bearing press-fitting die 341 in the present invention may also be a bearing mounting die, which includes various types, and the specific use type thereof needs to be determined according to the actual situation.
Further, support frame connecting flanges 51 are respectively arranged at the bottoms of the two ends of the top beam 5, and a hydraulic station 35 respectively connected with the hydraulic cylinders 34 is arranged at the top of the top beam 5. The top beam 5 of the invention can be provided with a plurality of process lightening holes, and in order to improve the strength of the top beam 5, a plurality of longitudinal reinforcing ribs and transverse reinforcing ribs can be arranged in the top beam 5; the top beam 5 not only can provide effective support for the hydraulic cylinder support frame 3 and ensure the overall stability of the equipment, but also can provide convenience for the installation of the hydraulic station 35. The hydraulic station 35 is arranged at the top of the top beam 5 and is connected with the hydraulic cylinder 34 through an oil pipe, so that equipment damage caused by mistaken touching of the oil pipe by a field worker is avoided.
Further, reinforcing rib plates 6 with right-angled triangle cross sections are arranged between the tops of the two sides of the middle beam unit 1 and the hydraulic cylinder supporting frame 3, and the reinforcing rib plates 6 are connected with the middle beam unit 1 and the hydraulic cylinder supporting frame 3 through bolts. The lower reinforcing rib plate connecting flange is arranged at the position, close to the hydraulic cylinder supporting frame 3, of the middle beam unit 1, the upper reinforcing rib plate connecting flange is arranged at the inner side of the hydraulic cylinder supporting frame 3, and the lower reinforcing rib plate connecting flange and the upper reinforcing rib plate connecting flange are respectively connected with the reinforcing rib plate 6, so that the overall stability of equipment is ensured; in addition, the reinforcing rib plate 6 and the middle beam unit 1 and the hydraulic cylinder supporting frame 3 can also be connected in a welding mode.
An assembly method of a flexible assembly fixture for a vibration exciter bearing comprises the following steps:
step one: the main shaft of the second motor 213 drives the ball screw 214 to rotate, and the ball screw nut 216 and the first linear guide rail 217 drive the adjusting platform body 221 to move to the corresponding position on the top of the supporting platform 15 in the process of rotating the ball screw 214;
step two: starting a double-output-shaft motor 224, and adjusting the interval between two vibration exciter clamping platform bodies 231 through an adjusting platform conveying unit 228 to enable the interval to be matched with the vibration exciter;
step three: hoisting the vibration exciter on the two vibration exciter clamping platform bodies 231 through a travelling crane, and fixing the vibration exciter and the vibration exciter clamping platform bodies 231 through bolts;
step four: the height of the vibration exciter clamping unit 2 is adjusted through the first motor 12, so that the bearing chamber hole of the vibration exciter and the telescopic end of the hydraulic cylinder 34 are positioned on the same horizontal plane;
step five: the second motor 213 is used for adjusting the platform unit 22, so that the bearing chamber hole of the vibration exciter and the bearing press-fitting die 341 are positioned on the same straight line;
step six: the telescopic ends of the two hydraulic cylinders 34 are simultaneously telescopic through a hydraulic station 35, and the bearings are pressed into bearing chamber holes of the vibration exciter through a bearing press-fitting die 341;
step seven: after the bearing is pressed, the telescopic ends of the two hydraulic cylinders 34 are retracted simultaneously through the hydraulic station 35, the telescopic ends of the hydraulic cylinders 34 are retracted and then drive the adjusting platform body 221 to move to the corresponding position at the top of the supporting platform 15 through the second motor 213, the bolts between the vibration exciter and the vibration exciter clamping platform body 231 are unscrewed, and the vibration exciter after the bearing is assembled is hoisted to a proper position through a travelling crane.
The device and the assembly method can effectively solve the problems of low efficiency, low safety coefficient, high labor intensity, poor product quality assurance and the like of the conventional vibration exciter bearing assembly, can realize the quality guarantee, safety, high efficiency and the like of the vibration exciter bearing assembly, and can realize the problems of high bearing chamber temperature and the like of the vibration exciter bearing in the working process, wherein four people are required to jointly install the bearing when the vibration exciter bearing is assembled, a copper hammer or a horizontal bar press is used for press mounting, the bearing installed in the traditional mode cannot guarantee the bearing installation precision, the bearing is damaged, the vibration exciter bearing is locked in the working process, and the after-sale service workload is high. By using the vibration exciter bearing assembling method, only two persons are required to cooperate when the vibration exciter bearing is assembled, the time for assembling one set of vibration exciter bearing is about 15-20 minutes, 2 persons are saved, the time for assembling a single vibration exciter bearing is saved by 70 minutes, the vibration exciter bearing assembling efficiency is improved by four times, the vibration exciter bearing assembling efficiency is greatly improved, the problem that the traditional vibration exciter bearing assembling efficiency is low and cannot meet the production efficiency of other departments can be solved, the labor cost can be saved for companies every year, the efficiency cost is about 680 ten thousand yuan, and the labor intensity of workers is also reduced to a great extent. In addition, the invention can be controlled manually and also can adopt an automatic control mode.
As shown in fig. 15, the main working principle of the main loop of the present invention is as follows: the number of motors is 4, the corresponding relation is that the first motor 12 controls the lifting platform unit 21 to move upwards or downwards, the second motor 213 controls and realizes the forward or backward movement of the platform unit 22, and the double-output-shaft motor 224 controls the two vibration exciter clamping platform bodies 231 to realize opposite or reverse operation; an oil pump motor is arranged in the hydraulic station 35, and can be started at any time; when the hydraulic cylinder acts, the touch screen can display pressure MPa, the main loop is mainly protected by the contactor KM for long-term operation protection, the thermal relay is used for overload protection, and when overload is automatically cut off for 3-6 seconds, the top of the control cabinet is provided with an alarm tri-color lamp for alarming.
As shown in fig. 16, the control loop of the present invention operates according to the principle of operation: the state selection is switched by an SA change-over switch, the switching operation state KA1 and the switching maintenance state KA2 are switched, the auxiliary normally open point of the R1-FR4 thermal relay is connected in parallel in the loop to realize fault feedback, and when any motor breaks down KA3 coil actuation, fault indicator lamp feedback is realized. In the figure, 8 direction inching wireless remote control is realized by serially connecting normally open points of 1AQ-8AQ buttons. When the touch screen is clicked to control 8 directions, the PLC outputs and controls the KA7-KA14 coils, the coils are electrified, normally open points of the KA7-14 are closed, the contactor KM is conducted, the corresponding motor operates, normally closed points of the contactor KM are connected in series in loops in opposite directions to realize opposite directions of the motor and ensure that the motor operates without conflict. When the mechanical action of the direction limit switch JJ01-08 is changed, the normally open point of the limit switch is closed, the normally closed point connected in series in the control loop is closed, the corresponding motor stops running, meanwhile, displacement data can be displayed on the touch screen, and after the position is in place and the position is opened, the operation of the direction button fails, and the direction button comprises a remote control and the touch screen.
The invention greatly improves the safety coefficient, reduces the labor intensity of workers, effectively improves the assembly efficiency, and starts the innovation to clamp and fix a large workpiece (vibration exciter) through the vibration exciter clamping unit 2 and adjust the position, and meanwhile, the hydraulic cylinder is matched with the bearing press-fitting die 341 to realize flexible assembly of the bearing, so that the assembly precision is improved on the premise of ensuring that the bearing and the shaft are not damaged, and the purpose that the vibration exciter and the accessory part can stably run for a long time is ensured.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "lower", "top", "one end", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; or the communication between the two components is also possible; may be directly connected or indirectly connected through an intermediate medium, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
Claims (10)
1. A flexible assembly fixture for a vibration exciter bearing is characterized in that: the assembly fixture comprises a middle beam unit (1) for supporting and fixing a vibration exciter clamping unit (2) and a hydraulic cylinder supporting frame (3), wherein the middle part of the middle beam unit (1) is provided with the vibration exciter clamping unit (2) for clamping a vibration exciter and adjusting the position of the vibration exciter, the top parts of two sides of the middle beam unit (1) are respectively provided with the hydraulic cylinder supporting frame (3) for installing and fixing a hydraulic cylinder (34), and a top beam (5) for fixing the hydraulic cylinder supporting frame (3) and installing a hydraulic station (4) is arranged between the tops of the two hydraulic cylinder supporting frames (3);
the vibration exciter clamping unit (2) comprises a lifting platform unit (21) for adjusting the height of the vibration exciter, an adjusting platform unit (22) for adjusting the front-back distance of the vibration exciter and a vibration exciter clamping platform unit (23) arranged at the top of the vibration exciter clamping unit.
2. The exciter bearing flexible assembly fixture of claim 1, wherein: the middle beam unit (1) comprises a middle beam body (11), a first motor (12) with a worm gear reducer is arranged in the middle of the middle beam body (11), support platform connecting flanges (13) for connecting support platforms (15) are respectively arranged on the front surface and the rear surface of the middle beam body (11) on two sides of the first motor (12), and hydraulic support frame flanges (14) for installing hydraulic cylinder support frames (3) are respectively arranged on the tops of two sides of the middle beam body (11); support platform (15) is respectively and correspondingly arranged on the support platform connecting flanges (13) on the front surface and the rear surface, and the first motor (12) is connected with the lifting platform unit (21) through the lifting transmission assembly (16).
3. The exciter bearing flexible assembly fixture of claim 2, wherein: the lifting transmission assembly (16) comprises first transmission shafts (161) which are respectively arranged on two sides of the worm gear reducer main shaft and are connected with the worm gear reducer main shaft, the tail ends of the two first transmission shafts (161) are respectively connected with corresponding steering gears (162), two ends of each steering gear (162) are respectively connected with a lifter (164) through corresponding second transmission shafts (163), guide posts (165) are arranged on the outer sides of the lifters (164), and the guide posts (165) are matched with guide sleeves (219) arranged on lifter and guide post mounting plates (212).
4. The exciter bearing flexible assembly fixture of claim 1, wherein: the lifting platform unit (21) comprises a lifting platform body (211), a lifter and guide column mounting plate (212) is arranged at the position, corresponding to the lifter (164) and the guide column (165), of the bottom of the lifting platform body (211), a second motor (213) is arranged at the middle position of the front surface of the lifting platform body (211), the second motor (213) is connected with the front end of a ball screw (214) through a main shaft, a ball screw bearing seat (215) is arranged between the tail end of the ball screw (214) and the upper surface of the lifting platform body (211), and a ball screw nut (216) is sleeved at the middle part of the ball screw (214); linear guide fixing plates (218) for fixing the first linear guide (217) are respectively arranged on two sides of the ball screw (214).
5. The exciter bearing flexible assembly fixture of claim 1, wherein: the adjusting platform unit (22) comprises an adjusting platform body (221), a screw seat (222) matched with a ball screw (216) and a linear guide rail sliding groove (223) matched with a first linear guide rail (217) are arranged at the bottom of the adjusting platform body (221), a double-output-shaft motor (224) is arranged at the middle position of the top of the adjusting platform body (221), the double-output-shaft motor (224) is connected with two groups of screw rods (225) arranged on the adjusting platform body (221) through an adjusting platform conveying unit (228), guide rail mounting and rotating fixed grooves (227) for mounting a second linear guide rail (226) are respectively arranged at the inner side and the outer side of the screw rods (225), and screw rod screws (229) are sleeved at the middle part of the screw rods (225);
the adjusting platform conveying unit (228) comprises a third transmission shaft (2281), one end of the third transmission shaft (2281) is connected with an output shaft of the double-output-shaft motor (224) through a first diaphragm coupler (2282), the other end of the third transmission shaft (2281) is connected with a double-output-shaft steering gear (2284) through a second diaphragm coupler (2283), and output shafts of the double-output-shaft steering gear (2284) are connected with a lead screw (225) through corresponding third diaphragm couplers (2285) respectively.
6. The exciter bearing flexible assembly fixture of claim 1, wherein: the vibration exciter clamping platform unit (23) comprises two vibration exciter clamping platform bodies (231); the two vibration exciter clamping platform bodies (231) are matched with a group of corresponding lead screws (225);
the bottom of vibration exciter clamping platform body (231) is equipped with fixed plate (232), is equipped with lead screw nut connecting seat (235) in the bottom of fixed plate (232) and the corresponding position of lead screw nut (229), is equipped with slider (233) in its position corresponding with second linear guide (226), and T type groove (234) that a plurality of are used for fixed vibration exciter have evenly been seted up at the top of vibration exciter clamping platform body (231).
7. The exciter bearing flexible assembly fixture of claim 1, wherein: the bottom of the hydraulic cylinder supporting frame (3) is provided with a bottom flange (31) connected with the middle beam unit (1), the top of the hydraulic cylinder supporting frame (3) is provided with a top flange (32) connected with the top beam (5), the middle upper part of the hydraulic cylinder supporting frame (3) is provided with a hydraulic cylinder mounting hole (33) for fixing a hydraulic cylinder (34),
the fixed end of the hydraulic cylinder (34) is fixedly connected with the hydraulic cylinder mounting hole (33), and the telescopic end of the hydraulic cylinder (34) is provided with a bearing press-fitting die (341) matched with the bearing.
8. The exciter bearing flexible assembly fixture of claim 1, wherein: the bottoms of the two ends of the top beam (5) are respectively provided with a support frame connecting flange (51), and the top of the top beam (5) is provided with a hydraulic station (4) respectively connected with a hydraulic cylinder (34).
9. The exciter bearing flexible assembly fixture of claim 1, wherein: reinforcing rib plates (6) with right-angled triangles in cross section are arranged between the tops of two sides of the middle beam unit (1) and the hydraulic cylinder supporting frame (3), and the reinforcing rib plates (6) are connected with the middle beam unit (1) and the hydraulic cylinder supporting frame (3) through bolts.
10. An assembling method using the flexible assembling tool for the vibration exciter bearing of any one of claims 1 to 9, which is characterized in that: the assembly method comprises the following steps:
step one: the main shaft of the second motor (213) drives the ball screw (214) to rotate, and the ball screw nut (216) and the first linear guide rail (217) drive the adjusting platform body (221) to move to the corresponding position at the top of the supporting platform (15) in the rotating process of the ball screw (214);
step two: starting a double-output-shaft motor (224), and adjusting the interval between two vibration exciter clamping platform bodies (231) through an adjusting platform conveying unit (228) so that the interval is matched with the vibration exciter;
step three: hoisting the vibration exciter on the two vibration exciter clamping platform bodies (231) through a travelling crane, and fixing the vibration exciter and the vibration exciter clamping platform bodies (231) through bolts;
step four: the height of the vibration exciter clamping unit (2) is adjusted through the first motor (12), so that the bearing chamber hole of the vibration exciter and the telescopic end of the hydraulic cylinder (34) are positioned on the same horizontal plane;
step five: the second motor (213) is used for adjusting the platform unit (22) so that the bearing chamber hole of the vibration exciter and the bearing press-fitting die (341) are positioned on the same straight line;
step six: the telescopic ends of the two hydraulic cylinders (34) are simultaneously telescopic through the hydraulic station (4), and the bearing is pressed into a bearing chamber hole of the vibration exciter through a bearing press-fitting die (341);
step seven: after bearing press mounting is completed, the telescopic ends of the two hydraulic cylinders (34) are retracted simultaneously through the hydraulic station (4), the telescopic ends of the hydraulic cylinders (34) are retracted and then drive the adjusting platform body (221) to move to the corresponding position at the top of the supporting platform (15) through the second motor (213), bolts between the vibration exciter and the vibration exciter clamping platform body (231) are unscrewed, and the vibration exciter after bearing assembly is hoisted to a proper position through traveling crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465259.6A CN110640674B (en) | 2019-05-30 | 2019-05-30 | Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465259.6A CN110640674B (en) | 2019-05-30 | 2019-05-30 | Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110640674A CN110640674A (en) | 2020-01-03 |
| CN110640674B true CN110640674B (en) | 2023-08-11 |
Family
ID=69009333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465259.6A Active CN110640674B (en) | 2019-05-30 | 2019-05-30 | Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110640674B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395845Y (en) * | 1997-04-16 | 2000-09-13 | 铁道部四方车辆研究所 | Pressure-displacement type observing and controlling device for bearing pressing and mounting machine |
| CN2787387Y (en) * | 2005-04-20 | 2006-06-14 | 江苏小天鹅三江电器制造有限公司 | Bearing assembling press |
| CN2820454Y (en) * | 2005-06-24 | 2006-09-27 | 辛振涛 | Bearing press for railway freight train |
| CN201455620U (en) * | 2009-02-11 | 2010-05-12 | 喻国锋 | Motor train unit bearing press-mounting machine |
| DE202012101834U1 (en) * | 2012-05-18 | 2013-08-20 | Kuka Systems Gmbh | mounter |
| CN106985114A (en) * | 2017-06-02 | 2017-07-28 | 广西玉柴机器股份有限公司 | The assembly tooling of engine oil seal |
| CN109015468A (en) * | 2018-09-06 | 2018-12-18 | 山西大学 | A kind of hydraulic cylinder cylinder head body self-adapting flexible assembly equipment |
| CN210589039U (en) * | 2019-05-30 | 2020-05-22 | 河南威猛振动设备股份有限公司 | Flexible assembly fixture for vibration exciter bearing |
-
2019
- 2019-05-30 CN CN201910465259.6A patent/CN110640674B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395845Y (en) * | 1997-04-16 | 2000-09-13 | 铁道部四方车辆研究所 | Pressure-displacement type observing and controlling device for bearing pressing and mounting machine |
| CN2787387Y (en) * | 2005-04-20 | 2006-06-14 | 江苏小天鹅三江电器制造有限公司 | Bearing assembling press |
| CN2820454Y (en) * | 2005-06-24 | 2006-09-27 | 辛振涛 | Bearing press for railway freight train |
| CN201455620U (en) * | 2009-02-11 | 2010-05-12 | 喻国锋 | Motor train unit bearing press-mounting machine |
| DE202012101834U1 (en) * | 2012-05-18 | 2013-08-20 | Kuka Systems Gmbh | mounter |
| CN106985114A (en) * | 2017-06-02 | 2017-07-28 | 广西玉柴机器股份有限公司 | The assembly tooling of engine oil seal |
| CN109015468A (en) * | 2018-09-06 | 2018-12-18 | 山西大学 | A kind of hydraulic cylinder cylinder head body self-adapting flexible assembly equipment |
| CN210589039U (en) * | 2019-05-30 | 2020-05-22 | 河南威猛振动设备股份有限公司 | Flexible assembly fixture for vibration exciter bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110640674A (en) | 2020-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115647681B (en) | Loader bucket processingequipment | |
| CN113601462A (en) | Sand mold assembly workbench suitable for non-mold composite forming process | |
| CN110745691B (en) | Maintenance tool and maintenance method for universal shaft of vertical rolling mill | |
| CN101468766B (en) | Movable rope withdrawing apparatus | |
| CN112548375A (en) | Automatic section bar feeding method for laser cutting machine | |
| CN210589039U (en) | Flexible assembly fixture for vibration exciter bearing | |
| CN110640674B (en) | Flexible assembling tool for vibration exciter bearing and assembling method of flexible assembling tool | |
| CN211438828U (en) | Welding geminate transistors device | |
| CN217458481U (en) | Track component hoisting device | |
| CN218162175U (en) | Oil cooling driving motor stator and rotor attach together split device | |
| CN111824972A (en) | Crane with a movable crane | |
| CN116177389A (en) | Convenient and safe hoisting device for large-scale equipment | |
| CN110759293A (en) | Vertical component transportation platform of assembly type structure | |
| CN216576288U (en) | Flange and tower section assembly special machine for wind power tower drum manufacturing | |
| CN114715777A (en) | Track component hoisting device and operation method thereof | |
| CN212024570U (en) | Multi-functional machining factory processing auxiliary device | |
| CN203875372U (en) | Large-sized three-dimensional drilling machine | |
| CN112096076A (en) | Inverted construction method for large-span ultrahigh single-layer cylindrical building steel structure | |
| CN110919393A (en) | Tray exchanging device | |
| CN220278756U (en) | Lifting and rotating tool for repair welding of standard joint | |
| CN201070637Y (en) | Roll change lifting device of rough rolling edger mill | |
| CN220754594U (en) | Dismounting device of motor stator and rotor for ship | |
| CN218983244U (en) | Efficient drilling device for production of front cylinder cover of air conditioner compressor | |
| CN211414343U (en) | Tray exchanging device | |
| CN213530178U (en) | Sliding support platform assembly of mobile cogging mill |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |