CN103537899A - All-wheel drive front axle assembly line for large tractors - Google Patents
All-wheel drive front axle assembly line for large tractors Download PDFInfo
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- CN103537899A CN103537899A CN201210256345.4A CN201210256345A CN103537899A CN 103537899 A CN103537899 A CN 103537899A CN 201210256345 A CN201210256345 A CN 201210256345A CN 103537899 A CN103537899 A CN 103537899A
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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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention provides an all-wheel drive front axle assembly line for large tractors, and relates to assembly of all-wheel drive front axle central assemblies of the large tractors and tail end assemblies of the large tractors. The assembly line mainly aims at installation, debugging, detection and control. The closed-loop control technology is adopted for the total assembly line, static control and digital recording are conducted on a human-computer interface in the assembly process, the all-wheel drive front axle assembly line has certain tracking capacity for each part and each assembly, and problems existing in machining and assembly can be timely fed back. The all-wheel drive front axle assembly line is mainly used for installing and debugging a cone transmission support assembly line including a differential mechanism assembly, and a steering knuckle hub assembly line, wherein a large bevel gear bolt screwing machine is arranged on the differential mechanism assembly.
Description
Technical field
The present invention relates to a kind of assembling, particularly a kind of 4 wheel driven front axle assy assembly line that drags greatly of dragging greatly 4 wheel driven propons central authorities' assembly and end assembly.
Background technology
Since China reform and opening-up, national economy obtains rapid growth, has become the main flow of the current industrial development of China with " scientific and technical innovation, autonomous innovation ", and China's industry is progressively to intensive style, energy-saving and emission-reduction, the future development of low-carbon (LC).On domestic market, drag greatly 4 wheel driven propons mounting technology immature, mostly still adopt old-fashioned craft to add mechanized equipment pattern.This mode relies on assembler's experience to be controlled more, directly causes following situations to occur: 1. part processing, whether completely according to drawing, cannot be determined (because piece test mostly is sampling observation, cannot guarantee the accuracy of each part) comprehensively; While 2. going wrong in assembling process, find out reason more difficult; 3. matching requirements are not had to system regulation, completely with sensation assembling; 4. each assembly is not had to certain trace ability.In order to address this problem, R&D institution and science and technology in enterprise personnel, in constantly research, exploration, utilize modern science and technology, although obtained technically some progress, still exist the technical barrier not yet overcoming in practice.
Summary of the invention
The object of the invention is to overcome above deficiency, a kind of 4 wheel driven front axle assy assembly line that drags is greatly provided, take and install, debug, detect and control is main purpose.This assembly line all adopts Closed loop Control, and man-machine interface, in assembling process, is strictly controlled and digital record, and to each part, each assembly has certain follow-up control, the problem that feedback processing in time, assembling exist.A kind of 4 wheel driven front axle assy assembly line that drags greatly, be mainly installation, debugging cone driving support seat general assembly line (containing differential assembly assembling), knuckle hub assembly assembly line, intelligent degree is high, applied widely, variable is produced, and can load in mixture multiple product, reduces production costs, enhance productivity, strong raising drag greatly the assembly automation of 4 wheel driven front axle assy, guarantee the product quality of agricultural machinery, be better Modernization of agricultural service.
The technical solution adopted for the present invention to solve the technical problems is: comprise cone driving support seat general assembly line, differential assembly assembling, bevel gear wheel bolt screwing machine, trace pad is surveyed the machine that selects, small coning gear shaft locknut screwing down machine, control system, backlash reconditioner, knuckle hub nut tightening machine, knuckle hub assembly assembly line, column, pressure head, checkout gear, guide pillar, underframe, gear-box, screwing tool, measurement mechanism, lifting body, counter weight device, rotating lifting fixture, by tooth brake apparatus, upright post base assembly, tightening mechanism, core-regulating mechanism, hold-down mechanism, balance weight mechanism, indexing mechanism, end assembly, jacking apparatus, motor erecting bed, this assembly line is provided with cone driving support seat general assembly line and knuckle hub assembly assembly line, cone driving support seat general assembly line contains a differential assembly assembling, differential assembly fit on is provided with bevel gear wheel bolt screwing machine, and cone driving support seat general assembly line is provided with trace pad and surveys the machine that selects, small coning gear shaft locknut screwing down machine, backlash reconditioner, bevel gear wheel bolt screwing machine, knuckle hub assembly assembly line is provided with knuckle hub nut tightening machine, and trace pad is surveyed and to be selected the owner will be by column, pressure head, guide pillar, underframe and checkout gear form, and are furnished with high accuracy displacement sensor, and small coning gear shaft locknut screwing down machine, mainly by gear-box, screwing tool, measurement mechanism, lifting body, counter weight device forms, and backlash reconditioner, mainly by upright post base assembly, by tooth brake apparatus, rotating lifting fixture, checkout gear forms, and bevel gear wheel bolt screwing machine, mainly by tightening mechanism, core-regulating mechanism, hold-down mechanism, balance weight mechanism, indexing mechanism forms, and knuckle hub nut tightening machine, mainly by motor erecting bed, gear-box, end assembly, jacking apparatus, counter weight device forms, and closed-loop control system is connected with knuckle hub assembly assembling built-in unit with cone driving support seat general assembly built-in unit.
The know-why that the present invention adopts is: this assembly line be take installation, debugging, detection and control as main purpose.This device all adopts Closed loop Control, and man-machine interface, in assembling process, strictly controls and digital record, and to each part, each assembly has certain follow-up control, the problem that feedback processing in time, assembling exist.Drag a 4 wheel driven front axle assy assembly line, be mainly installation, debugging cone driving support seat general assembly line (containing differential assembly assembling), knuckle hub assembly assembly line, wherein differential assembly fit on is provided with bevel gear wheel bolt screwing machine.
Trace pad is surveyed and is selected machine, and for boring driving support seat general assembly line, detection cone is propped up the thickness of the main tooth trace of seat assembly pad and can be selected correct pad.Trace pad is surveyed and is selected owner to be comprised of main monitor station, pad reinspection platform, pad intelligence material storehouse, main monitor station device structure has simply again enough strength and stiffness, mainly by column, pressure head, guide pillar, underframe and checkout gear, formed, be furnished with high accuracy displacement sensor; Pad is rechecked platform and is furnished with pressure head, the error that has enough pressure energy elimination perks and overlap to cause, and displacement transducer can accurately be measured pad actual (real) thickness, and whether measurement result will be presented on industrial computer display screen, and point out the selected pad that selects qualified by indicator lamp; Pad intelligence material storehouse is provided with some pad hanging scrolls, for placing the pad of different-thickness, and with indicator lamp, by indicator lamp alert, selects pad, has intellectuality.
Small coning gear shaft locknut screwing down machine, tightens the detection with bearing pre-fastening for boring the main teeth nut of three kinds of products (front driving axle 704,904,1004) on driving support seat general assembly line.Operation principle: by loading to flange of cardinal tooth nut, detect bearing pre-fastening moment when making main pinion hold idle running, do not meet the demands and continue to load to main teeth nut, meet the demands and stop loading.It is mainly comprised of body, gearbox assembly, screwing tool, counter weight device, retention device, detection frock, lifting body.(1) body, body comprises column and base, and column is fixed on base, and the two is all welding structural element.On column antetheca, have linear rolling track, the slide block on guideway connects with planker, when planker moves up and down driven gear case near or away from workpiece.Column is hollow structure, and the inside has counterweight to move up and down, and while adding counterweight, column lid below can be opened.(2) gearbox assembly, it by detecting axle, tighten axle, servomotor, tighten first-class form and possess tighten and measuring ability, two servomotors reverse rotations while tightening, thus driven wheel transmission mechanism makes tappet head drive main tooth and nut rotation to tighten; Two motors synchronous rotary in the same way during detection.Tighten, detect action and have torque sensor FEEDBACK CONTROL.(3) screwing tool, connecing disc assembly actual is four kinds of tool components, and tappet head finger inserts and tightens in cover, and jacket casing is realized and is tightened operation on spline housing.Three kinds of products are respectively used a set of screwing tool.(4) counter weight device, is comprised of cylinder, sprocket wheel, chain, balancing weight, and sprocket wheel and cylinder are fixed on column top, and chain connects with planker across two sprocket wheel one end, and one end connects with counterweight pull bar, and balancing weight is placed on pull bar pallet.During Telescopic-cylinder, pull planker to move up and down, make gear-box descending or rise.(5) retention device, retention device is fixed on column, encounters the initialization position that retention device is determined tappet head when gear-box is descending, and the bolt on retention device is used for regulating barrier height.(6) detect frock, assembly welding plate and pin, consist of, different product needed is changed twice.(7) lifting body, when tightening, cylinder moves top jack-up, makes workpiece in free state.
Backlash reconditioner, purposes comprises: the 1. assembling of differential mechanism and cone driving support seat and bearing gland etc.; 2. small coning gear shaft and differential mechanism are by the adjustment of gear tooth side gap and detection; 3. the measurement of gear running-in observation and unloaded moment of torsion.Operation principle: driven by servomotor small coning gear shaft, record the peak-to-peak umber of pulse of two torque ripple in the hunting period, be scaled backlash value.Mainly by upright post base assembly, rotating lifting fixture, checkout gear, formed by tooth brake apparatus.(1) upright post base assembly, column and base are equipment matrix, and rotating lifting fixture is arranged on the workbench on base table top, and lifting cylinder and checkout gear are arranged in base worktable table top cavity of resorption.(2) rotating lifting fixture, comprises guiding lifting part, swivel plate, left rotation and right rotation bearing, alignment pin and handgrip etc.Rotary tooling plate lifting when cylinder rod stretches out, after coming to a complete stop, pulls right-hand side handgrip and makes to draw pin to be retracted, and swivel plate can be spent by manual rotation 180, pulls handgrip and makes to draw pin to reset, and draws pin to spring in right rotation bearing locating hole, 180 degree location positionings.Two dowel holes on swivel plate are used for mounting tool backing plate, and manually pressing plate is used for workpiece pressing.(3) checkout gear, checkout gear is positioned at base inside, comprises and holds cone watt, sensor, shaft coupling and servomotor tightly.Driven by servomotor is held cone watt tightly and is driven main pinion to swing, thereby realize to measure operation, during servomotor continuous rotation, and the unloaded torque value of sensor feedback.The all connections of between centers are swelling or the tight connection of report, and for eliminating between centers relative gap, it is firm that connection place should guarantee.(4), by tooth brake apparatus, by tooth brake apparatus fixing driven gear of differential mechanism when the clearance measurement, it is comprised of cylinder, left fastening board, right fastening board and slide rail.During braking, cylinder rod is retracted, and left and right fastening board clamps by tooth; While unclamping, cylinder rod stretches out, and by tooth, is unclamped.
Bevel gear wheel bolt screwing machine is for tightening differential casing and by tooth attachment bolt, adopting automatically dual-axis tightening way.This equipment moving device adopts line slideway to slide; Equipment is automatic indexing when tighting a bolt; Differential mechanism is tightened center square adjustable (143-165mm scope); Can tighten eight is evenly distributed bolt and ten and is evenly distributed bolt; System interface human oriented design: detailed, understandable; Can demonstrate respectively the screw-down torque value of single bolt; There is data query system, can the real-time query same day or historical production data.
Knuckle hub nut tightening machine, tightens the detection with bearing pre-fastening for the knuckle hub nut of multiple product on knuckle hub assembly assembly line.Equipment carries out for assembling online, tighten to detect step by step; Adopt counterweigh gear-box weight, cylinder vertical feed; Equipment separates screw-down torque sensor and bearing pre-fastening moment sensor, realizes tightening and detecting synchronously and carries out, and efficiency of assembling is high; All felt relieved by top in equipment top and the bottom.Operation principle: by loading to hub nut, detect bearing pre-fastening moment when making bearing idle running, do not meet the demands and continue to load to hub nut, meet the demands and stop loading.(1) positioner, positioner is fixed on base, when workpiece is along with moving trolley post-positioning device in place can guarantee coaxial by workpiece centre and equipment center.(2) counter weight device, counter weight device is comprised of cylinder, sprocket wheel, chain, balancing weight, and sprocket wheel and cylinder are fixed on column top, and chain connects with planker across two sprocket wheel one end, and one end connects with counterweight pull bar, and balancing weight is placed on pull bar pallet.During Telescopic-cylinder, pull planker to move up and down, make gear-box descending or rise.(3) housing assembly, housing assembly comprises column and base, and column is fixed on base, and the two is all welding structural element.On column antetheca, have linear rolling track, the slide block on guideway connects with planker, when planker moves up and down driven gear case near or away from workpiece.Column is hollow structure, and the inside has counterweight to move up and down, and while adding counterweight, column lid below can be opened.(4) gear case assembly, it by detecting axle, tighten axle, servomotor, driver plate, sleeve etc. form and possess and tighten and measuring ability: two servomotors reverse rotations while tightening, thus driven wheel transmission mechanism makes tappet head drive main tooth and nut rotation to tighten; Two motors synchronous rotary in the same way during detection.Tighten, detect action and have torque sensor FEEDBACK CONTROL.
Beneficial effect of the present invention is: this assembly line be take installation, debugging, detection and control as main purpose, all adopts Closed loop Control, and man-machine interface, in assembling process, is strictly controlled and digital record.It has solved the manual low problem with being difficult to debugging, detecting of machining accuracy that mechanized equipment pattern exists that adds, and it has each part, and each assembly has certain follow-up control, the problem that feedback is processed in time, assembling exists.It is high, applied widely that this installs intelligent degree, and variable is produced, can load in mixture multiple product, reduce production costs, enhance productivity, having improved and dragged greatly the assembly automation of 4 wheel driven front axle assy, guaranteed the product quality of agricultural machinery, is better Modernization of agricultural service.
Accompanying drawing explanation
In conjunction with the accompanying drawings and embodiments the present invention to be further described below:
Fig. 1 is a kind of schematic diagram that drags greatly 4 wheel driven front axle assy assembly line
Fig. 2 a kind ofly drags greatly trace pad on 4 wheel driven front axle assy assembly line to survey front view and the side view that selects machine
Fig. 3 is a kind of side view that drags greatly small coning gear shaft locknut screwing down machine on 4 wheel driven front axle assy assembly line
Fig. 4 is a kind of front view and side view that drags greatly backlash reconditioner on 4 wheel driven front axle assy assembly line
Fig. 5 is a kind of side view that drags greatly bevel gear wheel bolt screwing machine on 4 wheel driven front axle assy assembly line
Fig. 6 is a kind of side view that drags greatly knuckle hub nut tightening machine on 4 wheel driven front axle assy assembly line
In the drawings: 1. bore driving support seat general assembly line, 2. differential assembly assembling, 3. bevel gear wheel bolt screwing machine, 4. trace pad is surveyed the machine that selects, 5. small coning gear shaft locknut screwing down machine, 6. control system, 7. backlash reconditioner, 8. knuckle hub nut tightening machine, 9. knuckle hub assembly assembly line, 10. column, 11. pressure heads, 12. checkout gears, 13. guide pillars, 14. underframe, 15. gear-boxes, 16. screwing tools, 17. measurement mechanisms, 18. lifting bodies, 19. counter weight devices, 20. rotating lifting fixtures, 21. by tooth brake apparatus, 22. upright post base assemblies, 23. tightening mechanisms, 24. core-regulating mechanisms, 25. hold-down mechanisms, 26. balance weight mechanisms, 27. indexing mechanisms, 28. end assemblies, 29. jacking apparatus, 30. motor erecting beds.
The specific embodiment
At Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, in Fig. 6: this assembly line is provided with cone driving support seat general assembly line 1 and knuckle hub assembly assembly line 9, cone driving support seat general assembly line 1 contains a differential assembly assembling 2, differential assembly assembling 2 is provided with bevel gear wheel bolt screwing machine 3, and cone driving support seat general assembly line 1 is provided with trace pad and surveys the machine 4 that selects, small coning gear shaft locknut screwing down machine 5, backlash reconditioner 7, bevel gear wheel bolt screwing machine 3, knuckle hub assembly assembly line 9 is provided with knuckle hub nut tightening machine 8, and trace pad is surveyed and is selected machine 4 mainly by column 10, pressure head 11, guide pillar 13, underframe 14 and checkout gear 12 form, and are furnished with high accuracy displacement sensor, and small coning gear shaft locknut screwing down machine 5, mainly by gear-box 15, screwing tool 16, measurement mechanism 17, lifting body 18, counter weight device 19 forms, and backlash reconditioner 7, mainly by upright post base assembly 22, by tooth brake apparatus 21, rotating lifting fixture 20, checkout gear 12 forms, and bevel gear wheel bolt screwing machine 3, mainly by tightening mechanism 23, core-regulating mechanism 24, hold-down mechanism 25, balance weight mechanism 26, indexing mechanism 27 forms, and knuckle hub nut tightening machine 8, mainly by motor erecting bed 30, gear-box 15, end assembly 28, jacking apparatus 29, counter weight device 19 forms, closed-loop control system 6 with bore driving support seat general assembly line 1 on equipment and knuckle hub assembly assembly line 9 equipment be connected.
Drag a 4 wheel driven front axle assy assembly line, take and install, debug, detect and control is main purpose.This assembly line all adopts Closed loop Control, and man-machine interface, in assembling process, is strictly controlled and digital record, and to each part, each assembly has certain follow-up control, the problem that feedback processing in time, assembling exist.Drag a 4 wheel driven front axle assy assembly line, be mainly installation, 1 (containing the differential assembly assembling 2) of debugging cone driving support seat general assembly line, knuckle hub assembly assembly line 9, wherein differential assembly assembling 2 is provided with bevel gear wheel bolt screwing machine 3.
Fig. 2: trace pad is surveyed and selected machine 4, for boring driving support seat general assembly line 1, detection cone is propped up the thickness of the main tooth trace of seat assembly pad and can be selected correct pad.Trace pad is surveyed and is selected machine 4 to comprise that main monitor station, pad are rechecked platform, pad intelligence is expected storehouse, main monitor station device structure has simply again enough strength and stiffness, mainly by column 10, pressure head 11, guide pillar 13, underframe 14 and checkout gear 12, formed, be furnished with high accuracy displacement sensor; Pad is rechecked platform and is furnished with pressure head 11, the error that has enough pressure energy elimination perks and overlap to cause, and displacement transducer can accurately be measured pad actual (real) thickness, and whether measurement result will be presented on industrial computer display screen, and point out the selected pad that selects qualified by indicator lamp; Pad intelligence material storehouse is provided with some pad hanging scrolls, for placing the pad of different-thickness, and with indicator lamp, by indicator lamp alert, selects pad, has intellectuality.
Fig. 3: small coning gear shaft locknut screwing down machine 5, for boring the main teeth nut of three kinds of products (front driving axle 704,904,1004) on driving support seat general assembly line 1, tighten the detection with bearing pre-fastening.Operation principle: by loading to flange of cardinal tooth nut, detect bearing pre-fastening moment when making main pinion hold idle running, do not meet the demands and continue to load to main teeth nut, meet the demands and stop loading.It is mainly comprised of body, gear-box 15 assemblies, screwing tool 16, counter weight device 19, retention device, detection frock, lifting body 18.(1) body, body comprises column 10 and base, and column 10 is fixed on base, and the two is all welding structural element.On column 10 antethecas, have linear rolling track, the slide block on guideway connects with planker, when planker moves up and down driven gear case 15 near or away from workpiece.Column 10 is hollow structure, and the inside has counterweight to move up and down, and while adding counterweight, column 10 lid below can be opened.(2) gear-box 15 assemblies, it by detecting axle, tighten axle, servomotor, tighten first-class form and possess tighten and measuring ability, two servomotor reverse rotations while tightening, thus driven wheel transmission mechanism makes tappet head drive main tooth and nut rotation to tighten; Two motors synchronous rotary in the same way during detection.Tighten, detect action and have torque sensor FEEDBACK CONTROL.(3) screwing tool 16, and connecing disc assembly actual is four kinds of tool components, and tappet head finger inserts and tightens in cover, and jacket casing is realized and tightened operation on spline housing.Three kinds of products are respectively used a set of screwing tool.(4) counter weight device 19, cylinder, sprocket wheel, chain, balancing weight, consist of, and sprocket wheel and cylinder are fixed on column top, and chain connects with planker across two sprocket wheel one end, and one end connects with counterweight pull bar, and balancing weight is placed on pull bar pallet.During Telescopic-cylinder, pull planker to move up and down, make gear-box 15 descending or rise.(5) retention device, retention device is fixed on column 10, encounters the initialization position that retention device is determined tappet head when gear-box 15 is descending, and the bolt on retention device is used for regulating barrier height.(6) detect frock, assembly welding plate and pin, consist of, different product needed is changed twice.(7) lifting body 18, and when tightening, cylinder moves top jack-up, makes workpiece in free state.
Fig. 4: backlash reconditioner 7, purposes comprises: the 1. assembling of differential mechanism and cone driving support seat and bearing gland etc.; 2. small coning gear shaft and differential mechanism are by the adjustment of gear tooth side gap and detection; 3. the measurement of gear running-in observation and unloaded moment of torsion.Operation principle: driven by servomotor small coning gear shaft, record the peak-to-peak umber of pulse of two torque ripple in the hunting period, be scaled backlash value.Mainly by upright post base assembly 22, rotating lifting fixture 20, checkout gear 12, formed by tooth brake apparatus 21.(1) upright post base assembly 22, and column 10 is equipment matrix with base, and rotating lifting fixture 20 is arranged on the workbench on base table top, and lifting cylinder and checkout gear 12 are arranged in base worktable table top cavity of resorption.(2) rotating lifting fixture 20, comprise guiding lifting part, swivel plate, left rotation and right rotation bearing, alignment pin and handgrip etc.Rotary tooling plate lifting when cylinder rod stretches out, after coming to a complete stop, pulls right-hand side handgrip and makes to draw pin to be retracted, and swivel plate can be spent by manual rotation 180, pulls handgrip and makes to draw pin to reset, and draws pin to spring in right rotation bearing locating hole, 180 degree location positionings.Two dowel holes on swivel plate are used for mounting tool backing plate, and manually pressing plate is used for workpiece pressing.(3) checkout gear 12, and checkout gear 12 is positioned at base inside, comprise and hold cone watt, sensor, shaft coupling and servomotor tightly.Driven by servomotor is held cone watt tightly and is driven main pinion to swing, thereby realize to measure operation, during servomotor continuous rotation, and the unloaded torque value of sensor feedback.The all connections of between centers are swelling or the tight connection of report, and for eliminating between centers relative gap, it is firm that connection place should guarantee.(4) by tooth brake apparatus 21, the fixing driven gear of differential mechanism during for clearance measurement by tooth brake apparatus 21, it is comprised of cylinder, left fastening board, right fastening board and slide rail.During braking, cylinder rod is retracted, and left and right fastening board clamps by tooth; While unclamping, cylinder rod stretches out, and by tooth, is unclamped.
Fig. 5: bevel gear wheel bolt screwing machine 3 is for tightening differential casing and by tooth attachment bolt, adopting automatically dual-axis tightening way.This equipment moving device adopts line slideway to slide; Equipment is automatic indexing when tighting a bolt; Differential mechanism is tightened center square adjustable (143-165mm scope); Can tighten eight is evenly distributed bolt and ten and is evenly distributed bolt; System interface human oriented design: detailed, understandable; Can demonstrate respectively the screw-down torque value of single bolt; There is data query system, can the real-time query same day or historical production data.
Fig. 6: knuckle hub nut tightening machine 8, for the knuckle hub nut of multiple product on knuckle hub assembly assembly line 9, tighten the detection with bearing pre-fastening.Equipment carries out for assembling online, tighten to detect step by step; Adopt counterweigh gear-box 15 weight, cylinder vertical feed; Equipment separates screw-down torque sensor and bearing pre-fastening moment sensor, realizes tightening and detecting synchronously and carries out, and efficiency of assembling is high; All felt relieved by top in equipment top and the bottom.Operation principle: by loading to hub nut, detect bearing pre-fastening moment when making bearing idle running, do not meet the demands and continue to load to hub nut, meet the demands and stop loading.(1) positioner, positioner is fixed on base, when workpiece is along with moving trolley post-positioning device in place can guarantee coaxial by workpiece centre and equipment center.(2) counter weight device 19, and counter weight device 19 is comprised of cylinder, sprocket wheel, chain, balancing weight, and sprocket wheel and cylinder are fixed on column top, and chain connects with planker across two sprocket wheel one end, and one end connects with counterweight pull bar, and balancing weight is placed on pull bar pallet.During Telescopic-cylinder, pull planker to move up and down, make gear-box 15 descending or rise.(3) housing assembly, housing assembly comprises column 10 and base, and column 10 is fixed on base, and the two is all welding structural element.On column 10 antethecas, have linear rolling track, the slide block on guideway connects with planker, when planker moves up and down driven gear case near or away from workpiece.Column 10 is hollow structure, and the inside has counterweight to move up and down, and while adding counterweight, column lid below can be opened.(4) gear-box 15 assemblies, it by detecting axle, tighten axle, servomotor, driver plate, sleeve etc. form and possess and tighten and measuring ability: two servomotors reverse rotations while tightening, thus driven wheel transmission mechanism makes tappet head drive main tooth and nut rotation to tighten; Two motors synchronous rotary in the same way during detection.Tighten, detect action and have torque sensor FEEDBACK CONTROL.
Claims (1)
1. drag greatly a 4 wheel driven front axle assy assembly line, comprise cone driving support seat general assembly line, differential assembly assembling, bevel gear wheel bolt screwing machine, trace pad is surveyed the machine that selects, small coning gear shaft locknut screwing down machine, control system, backlash reconditioner, knuckle hub nut tightening machine, knuckle hub assembly assembly line, column, pressure head, checkout gear, guide pillar, underframe, gear-box, screwing tool, measurement mechanism, lifting body, counter weight device, rotating lifting fixture, by tooth brake apparatus, upright post base assembly, tightening mechanism, core-regulating mechanism, hold-down mechanism, balance weight mechanism, indexing mechanism, end assembly, jacking apparatus, motor erecting bed, it is characterized in that: this assembly line is provided with cone driving support seat general assembly line and knuckle hub assembly assembly line, cone driving support seat general assembly line contains a differential assembly assembling, differential assembly fit on is provided with bevel gear wheel bolt screwing machine, and cone driving support seat general assembly line is provided with trace pad and surveys the machine that selects, small coning gear shaft locknut screwing down machine, backlash reconditioner, bevel gear wheel bolt screwing machine, knuckle hub assembly assembly line is provided with knuckle hub nut tightening machine, and trace pad is surveyed and to be selected the owner will be by column, pressure head, guide pillar, underframe and checkout gear form, and are furnished with high accuracy displacement sensor, and small coning gear shaft locknut screwing down machine, mainly by gear-box, screwing tool, measurement mechanism, lifting body, counter weight device forms, and backlash reconditioner, mainly by upright post base assembly, by tooth brake apparatus, rotating lifting fixture, checkout gear forms, and bevel gear wheel bolt screwing machine, mainly by tightening mechanism, core-regulating mechanism, hold-down mechanism, balance weight mechanism, indexing mechanism forms, and knuckle hub nut tightening machine, mainly by motor erecting bed, gear-box, end assembly, jacking apparatus, counter weight device forms, and closed-loop control system is connected with knuckle hub assembly assembling built-in unit with cone driving support seat general assembly built-in unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210256345.4A CN103537899B (en) | 2012-07-13 | 2012-07-13 | One drags greatly 4 wheel driven front axle assy assembly line |
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| CN201210256345.4A CN103537899B (en) | 2012-07-13 | 2012-07-13 | One drags greatly 4 wheel driven front axle assy assembly line |
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| CN103537899B CN103537899B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698732A (en) * | 2016-02-01 | 2016-06-22 | 温州市飞扬电气有限公司 | Intelligent detection device for detecting direct current motor gaps |
| CN109668496A (en) * | 2019-01-29 | 2019-04-23 | 第拖拉机股份有限公司 | Detection device and detection method for tractor small coning gear shaft adjustment gasket |
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| CN201415617Y (en) * | 2009-06-24 | 2010-03-03 | 谢寿辉 | Front axle of four-wheel drive tractor |
| KR20100135036A (en) * | 2009-06-16 | 2010-12-24 | ( 주 ) 화신 | Kingpin assembly device for vehicle |
| CN202877854U (en) * | 2012-07-13 | 2013-04-17 | 盐城市荣南机械制造有限公司 | Assembly line device of big trailer four-wheel-drive front axle assembly |
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| CN1868799A (en) * | 2005-05-23 | 2006-11-29 | 西南师范大学 | Motorcycle drive terminal torque transfer sensing mechanism |
| KR20100135036A (en) * | 2009-06-16 | 2010-12-24 | ( 주 ) 화신 | Kingpin assembly device for vehicle |
| CN201415617Y (en) * | 2009-06-24 | 2010-03-03 | 谢寿辉 | Front axle of four-wheel drive tractor |
| CN202877854U (en) * | 2012-07-13 | 2013-04-17 | 盐城市荣南机械制造有限公司 | Assembly line device of big trailer four-wheel-drive front axle assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105698732A (en) * | 2016-02-01 | 2016-06-22 | 温州市飞扬电气有限公司 | Intelligent detection device for detecting direct current motor gaps |
| CN109668496A (en) * | 2019-01-29 | 2019-04-23 | 第拖拉机股份有限公司 | Detection device and detection method for tractor small coning gear shaft adjustment gasket |
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|---|---|
| CN103537899B (en) | 2016-01-20 |
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