CN110936766B - Mechanical arm for replacing tire - Google Patents
Mechanical arm for replacing tire Download PDFInfo
- Publication number
- CN110936766B CN110936766B CN201911297678.XA CN201911297678A CN110936766B CN 110936766 B CN110936766 B CN 110936766B CN 201911297678 A CN201911297678 A CN 201911297678A CN 110936766 B CN110936766 B CN 110936766B
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- Prior art keywords
- clamping
- placing
- bolt
- dismounting
- tire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B29/00—Apparatus or tools for mounting or dismounting wheels
- B60B29/002—Apparatus or tools for mounting or dismounting wheels provided with a dolly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B29/00—Apparatus or tools for mounting or dismounting wheels
- B60B29/003—Wrenches, e.g. of the ratchet type
- B60B29/005—Wrenches, e.g. of the ratchet type hand-driven operating with multiplicated forces
Abstract
The invention discloses a mechanical arm for replacing tires, which overcomes the problems that the market acceptance of the traditional mechanical arm in the prior art is insufficient and the technology needs to be improved. The upper surface of the middle base is connected with the lower surface of a detachable workbench through a telescopic support, the upper surface of the detachable workbench is connected with a bolt dismounting sliding rack through a guide rail, a bolt dismounting power device, a bolt dismounting device and a dismounting alarm device are sequentially arranged on the bolt dismounting sliding rack, and a tire clamping device is arranged on one side, close to the bolt dismounting device, of the upper surface of the detachable workbench; the bolt dismounting power device is connected with the bolt dismounting device, the bolt dismounting device comprises a bolt dismounting protection device, and the bolt dismounting protection device is connected with the dismounting alarm device; one side of the tire clamping and placing device is provided with a tire clamping and placing power device, and a tire clamping and placing protection device is arranged in the tire clamping and placing device. The technology realizes the tightening operation of the nuts on the wheels according to the diagonal time sequence, and has low purchase and maintenance cost.
Description
Technical Field
The invention relates to the technical field of automobile assembly robots, in particular to a mechanical arm for replacing tires.
Background
With the continuous development of national economy, the automobile as a common and convenient transportation tool is becoming more and more popular, and the quantity of possession is rising every year. At present, a manual method is mostly adopted for replacing the tire, all the tire screws to be replaced are screwed out, then the tire is disassembled, and a new tire is replaced and tightened. The tools used are mostly sleeves, and the power source is wind cannons or manpower. The manual tire replacement is easy to see, but the procedure is complex, the operation is difficult, and the time and labor are wasted when the tire is replaced. Certain requirements are required for the level of operators, such as the installation sequence of fastening nuts during installation, and the torque of the nuts in each vehicle type during installation has strict requirements. The nut positions between different vehicle types are different in torque during screwing.
When the traditional mechanical arm is adopted, the assembled tire size is different for different models of automobiles, and the positions of bolts for fixing the tire are also different. Therefore, when carrying out the equipment of tire to the car of different models, traditional arm often need change centre gripping and screwing device, complex operation, the suitability reduces, and when the assembly, in order to adjust the angle of tire, traditional assembly device often adjusts through rotating whole arm, has very big requirement to the rotation precision of arm, and the complexity of same equipment also has very big requirement, and purchase, maintenance and the maintenance of equipment can not change the universal acceptance to most consumers.
Some equipment bodies for automatically replacing tires on the market are large, inconvenient to use and very troublesome because professional personnel are required to operate. In addition to the mechanical arm for replacing tires in automobile factories, various automobile repair factories and consumers in society also need a mechanical arm for replacing tires with higher automation degree.
And application No. 201910091081.3, title of invention: in the patent document of a vehicle-mounted mechanical arm and a method for automatically replacing tires, a mechanical arm for replacing tires is disclosed, wherein the adjustability of clamping force and the protection of hubs of tires with certain flat air are not considered when tires with different diameters are fixedly clamped by clamping plates; auxiliary operations of how to bring the placed tire into the upright gripping state for the operator with weak physical strength are not considered; the time sequence of assembling and disassembling the tire nut, the control of the torque and the like are not considered, so the invention improves and perfects the defects.
Disclosure of Invention
The invention overcomes the problems that the market acceptance of the traditional mechanical arm in the prior art is insufficient and the technology needs to be improved, and provides the mechanical arm for replacing the tire, which has a reasonable structure and is convenient to use.
The technical scheme of the invention is to provide a mechanical arm for replacing tires, which has the following structure: the tire clamping and releasing device comprises a base, a telescopic support, a detachable workbench, a bolt disassembling and releasing power device, a bolt disassembling and releasing protection device, a bolt disassembling and releasing device, a tire clamping and releasing power device, a tire clamping and releasing protection device, a tire clamping and releasing device and a disassembling and releasing alarm device, wherein the upper surface of the base is connected with the lower surface of the detachable workbench through the telescopic support, the upper surface of the detachable workbench is connected with a bolt disassembling and releasing sliding rack through a guide rail, the bolt disassembling and releasing power device, the bolt disassembling and releasing device and the disassembling and releasing alarm device are sequentially arranged on the bolt disassembling and releasing sliding rack, and the tire clamping and releasing device is arranged on one side, close to; the bolt dismounting power device is connected with the bolt dismounting device, the bolt dismounting device comprises a bolt dismounting protection device, and the bolt dismounting protection device is connected with the dismounting alarm device; one side of the tire clamping and placing device is provided with a tire clamping and placing power device, and a tire clamping and placing protection device is arranged in the tire clamping and placing device.
Preferably, the tire clamping and placing device comprises a clamping and placing support frame, a clamping and placing transmission shaft, a clamping and placing rotating arm and a clamping and placing roller, wherein 2-8 clamping and placing transmission shafts are annularly arranged on the clamping and placing support frame, the end part of each clamping and placing transmission shaft is vertically connected with one end of the clamping and placing rotating arm, the other end of the clamping and placing rotating arm is connected with a central shaft of the clamping and placing roller through a rotating shaft, and an anti-skidding rubber sleeve is arranged on the outer surface of the clamping and placing roller.
Preferably, the tire clamping and releasing power device is positioned on one side of the clamping and releasing support frame and comprises 2-8 groups of motors and a turbine worm speed reducer, the output end of the turbine worm speed reducer is connected with one end of the clamping and releasing transmission shaft, and the motors are connected in parallel and then are connected into a power supply through the same switch.
Preferably, the bolt dismounting protection device and the tire clamping protection device have the same structure and respectively comprise a driving shaft, a driving shaft pressure plate, a driving shaft friction plate, a clamp, a torque adjusting bolt, a positioning sleeve, a spring and a graphite top block, wherein the driving shaft is sequentially connected with the driving shaft pressure plate and the driving shaft friction plate, one end of the clamp is fixed on the outer side of the driving shaft pressure plate, the other end of the clamp is positioned on one side of the driving shaft pressure plate, the torque adjusting bolt is arranged on the outer side of the clamp, the positioning sleeve is internally provided with the spring and the graphite top block; the number of the clamp, the torque adjusting bolt, the positioning sleeve, the spring and the graphite top block is 1-8; the driving shaft in the bolt dismounting protection device is a bolt dismounting driving shaft, the transmission shaft is a bolt dismounting transmission shaft, the driving shaft in the tire clamping protection device is a tire clamping driving shaft, and the transmission shaft is a tire clamping transmission shaft.
Preferably, the bolt dismounting device comprises a bolt dismounting transmission shaft, a driving gear, a sub-transmission shaft fixing disc, a sub-transmission shaft, a transmission gear, a top ball and a detachable sleeve, wherein the driving gear is sleeved at the end part of the bolt dismounting transmission shaft; wherein, the two sides of each tooth axial direction in the driving gear and the transmission gear are respectively provided with an aligning inclined plane.
Preferably, the bolt dismounting power device comprises a motor, a speed regulator, a speed reducer, a belt pulley, a belt and a protective shell, wherein the motor is connected with the belt pulley through the speed regulator and the speed reducer, the driving shaft is dismounted through belt transmission, and the protective shell is arranged outside the belt.
Preferably, but split workstation contains upper table and lower workstation, and the fifty percent discount after both sides are articulated, and the bottom surface of upper table and the top surface laminating of lower workstation are connected, and lower workstation is close to top surface department and is equipped with the electro-magnet, and the material of upper table actuation department is iron, and the edge of upper table is equipped with the counter weight couple, is equipped with control switch on the lower workstation.
Preferably, 3-8 universal wheels are arranged on the bottom surface of the base, 1-6 balancing weights are arranged on the upper surface of the base, and the balancing weights are connected with a balancing hook through a hanging rope; the top surface of the base is provided with a telescopic support which is an electric hydraulic push rod, and the number of the telescopic support is 3-6.
Preferably, the dismounting alarm device comprises 1-4 bidirectional travel switches and a buzzer, wherein bidirectional conducting contacts of the bidirectional travel switches are respectively connected in parallel and then connected in series with the buzzer to be connected with a power supply.
Preferably, the side of the bolt dismounting sliding frame is provided with a control handle.
Compared with the prior art, the mechanical arm for replacing the tire has the following advantages: the influence centre gripping to wheel hub has been considered in the centre gripping tire in-process, can also prevent through increase frictional force that the good tire of centre gripping from producing slope and slip, makes the centre gripping effect better. Can conveniently adjust the tire of the various sizes of centre gripping and the centre gripping back, guarantee the concentricity of sleeve and nut, difficult pine after the centre gripping.
A torque protection device is arranged between the rotating shafts, the stability and the adjustability are high, and the graphite top block generates sliding contact given friction force to realize flexible connection of the shafts at the position. And when the nut is disassembled and assembled, an alarm prompt is given after the specified torque is exceeded. The maximum torque that can provide of detachable sleeve can be debugged in advance, makes drive gear and divide the epaxial drive gear of transmission can slowly mesh, then divides the transmission shaft to rotate according to diagonal sequence, realizes the screwing up operation according to diagonal sequence of the nut on the wheel.
After the two-way conducting contacts of the two-way travel switch are connected in parallel, the nut is screwed to a specified torque and then is triggered to alarm in time, so that an operator switches the screwing work of the next nut. The upper working table and the lower working table can realize different working states of mounting and picking up the tire.
In the design process, a semi-automatic mechanical structure is adopted to replace the traditional manual tire changing and more intelligent robot arm, so that the tire changing efficiency is greatly improved; the intelligent control requirement is low, the purchase and maintenance cost is low, and the intelligent control system has good market popularity. This device easy operation, the professional is got on hand fast, has improved this device's practicality greatly.
Drawings
FIG. 1 is a schematic view of the overall construction of a robotic arm for tire changing of the present invention;
FIG. 2 is a schematic side view of the tire clamping and bolt removal portion of the robot arm for tire replacement of the present invention;
FIG. 3 is a schematic structural view of a distribution shaft in the robot arm for replacing tires according to the present invention;
FIG. 4 is a schematic view of the expanded structure of the position relationship between the center-divided transmission shaft and the bolt mounting/dismounting transmission shaft of the robot arm for replacing tires according to the present invention;
FIG. 5 is a schematic structural view of a bolt dismounting and mounting protection device in the mechanical arm for tire replacement according to the present invention;
FIG. 6 is a timing diagram illustrating the operation of the spindle in the robot arm for changing tires according to the present invention.
In the description of the attached drawings, the number 1 is a universal wheel, 2 is a base, 3 is a balancing weight, 4 is a telescopic support, 5 is a control switch, 6 is an electromagnet, 7 is a balancing weight hook, 8 is a bolt dismounting sliding rack, 9 is a control handle, 10 is a bolt dismounting power device, 11 is a bolt dismounting protection device, 11' is a tire clamping protection device, 12 is a tire clamping power device, 13 is a sub-transmission shaft fixing disk, 14 is a clamping support frame, 15 is a detachable workbench, 16 is a hydraulic push rod motor, 17 is a clamping rotary arm, 18 is a clamping roller, 19 is a tire, 20 is a detachable sleeve, 21 is a sub-transmission shaft, 22 is a driving gear, 23 is a bolt dismounting transmission shaft, 24 is a transmission gear, 25 is a top ball, 26 is a buzzer, 27 is a bearing, 28 is a travel switch, 11-1 is a hoop, 11-2 is a fastening bolt, 11-3 is a driving shaft pressing disk, 11-4 is a driving shaft friction plate, 11-5 is a transmission shaft friction plate, 11-6 is a transmission shaft pressure plate, 11-7 is a graphite top block, 11-8 is a positioning sleeve, 11-9 is a spring, 11-10 is a torque adjusting bolt, wherein the tire clamping protection device 11' and the bolt dismounting protection device 11 have the same structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description of the invention: as shown in the figures, the tire clamping and dismounting device comprises a base 2, a telescopic bracket 4, a detachable workbench 15, a bolt dismounting and mounting power device 10, a bolt dismounting and mounting protection device 11, a bolt dismounting and mounting device, a tire clamping and placing power device 12, a tire clamping and placing protection device 11', a tire clamping and placing device and a dismounting and mounting alarm device, wherein the upper surface of the base 2 is connected with the lower surface of the detachable workbench 15 through the telescopic bracket 4, the upper surface of the detachable workbench 15 is connected with a bolt dismounting and mounting sliding rack 8 through a guide rail, the bolt dismounting and mounting power device 10, the bolt dismounting and mounting device and the dismounting and mounting alarm device are sequentially arranged on the bolt dismounting and mounting sliding rack 8, and the tire clamping and placing device is arranged on one side, close; the bolt dismounting power device 10 is connected with the bolt dismounting device, the bolt dismounting device comprises a bolt dismounting protection device 11, and the bolt dismounting protection device 11 is connected with a dismounting alarm device; one side of the tire clamping and placing device is provided with a tire clamping and placing power device 12, and a tire clamping and placing protection device 11' is arranged in the tire clamping and placing device.
The tire clamping and placing device comprises a clamping and placing support frame 14, a clamping and placing transmission shaft, a clamping and placing rotating arm 17 and a clamping and placing roller 18, wherein 2-8 clamping and placing transmission shafts are annularly arranged on the clamping and placing support frame 14, the end part of each clamping and placing transmission shaft is vertically connected with one end of the clamping and placing rotating arm 17, the other end of the clamping and placing rotating arm 17 is connected with a central shaft of the clamping and placing roller 18 through the rotating shaft, and an anti-skid rubber sleeve is arranged on the outer surface of the clamping and placing roller 18. The antiskid rubber sleeve not only can slow down the influence centre gripping of hard material to tire 19, can also prevent through increase frictional force that the good tire 19 of centre gripping from producing slope and slip, makes the centre gripping effect better, and when can also slow down the centre gripping to flat tire 19 simultaneously, it may produce hard contact and cause the clamp mark on the wheel hub with wheel hub to press from both sides putting gyro wheel 18 to avoid the centre gripping in-process to produce other unnecessary harm to each position of wheel. The clamping rotating arm 17 can realize the change of the clamping radius in the rotating process, and can realize the clamping operation of tires 19 with various sizes. The number of the clamping transmission shafts determines the clamping stability. When the device is just debugged, the uniform positions of the clamping and placing rotating arms 17 can be separately and respectively determined, for example, tires 19 are placed on the ground, each clamping and placing roller 18 is in light contact with the edge of the tire 19, and then a plurality of motors of the same type are connected in parallel, so that the consistent movement of each clamping and placing rotating arm 17 is realized. Or the concentric debugging of the clamping and placing roller 18 is realized by adjusting the connecting piece at the joint of the clamping and placing transmission shaft and the clamping and placing rotating arm 17, and the wiring mode of a motor does not need to be debugged.
The tire clamping and releasing power device 12 is positioned on one side of the clamping and releasing support frame 14 and comprises 2-8 groups of motors and a worm gear speed reducer, the output end of the worm gear speed reducer is connected with one end of the clamping and releasing transmission shaft, and the motors are connected in parallel and then are connected into a power supply through the same switch. The worm gear and worm speed reducer can ensure the directional rotation of the clamping transmission shaft, the step-out of a certain clamping rotary arm 17 in angle and position can not be generated, and the effect of one-way transmission like a ratchet structure is achieved. The motors (or stepping motors) of the same type after being connected in parallel can better ensure the consistency of movement and the precision of movement.
The bolt dismounting protection device 11 and the tire clamping protection device 11' have the same structure and respectively comprise a driving shaft, a driving shaft pressure plate 11-3, a driving shaft friction plate 11-4, a driving shaft pressure plate 11-6, a driving shaft friction plate 11-5, a hoop 11-1, a torque adjusting bolt 11-10, a positioning sleeve 11-8, a spring 11-9 and a graphite top block 11-7, wherein the driving shaft is sequentially connected with the driving shaft pressure plate 11-3 and the driving shaft friction plate 11-4, the driving shaft is sequentially connected with the driving shaft pressure plate 11-6 and the driving shaft friction plate 11-5, one end of the hoop 11-1 is fixed on the outer side of the driving shaft pressure plate 11-3, the other end is positioned on one side of the driving shaft pressure plate 11-6, and the torque, a positioning sleeve 11-8 is arranged on the inner side of the positioning sleeve 11-8, a spring 11-9 and a graphite top block 11-7 are arranged in the positioning sleeve 11-8, a torque adjusting bolt 11-10 penetrates through a hoop 11-1 and then is screwed into the positioning sleeve 11-8, and the spring 11-9 is connected with the graphite top block 11-7; the number of groups of the hoop 11-1, the torque adjusting bolt 11-10, the positioning sleeve 11-8, the spring 11-9 and the graphite top block 11-7 is 1-8; the driving shaft in the bolt dismounting protection device 11 is a bolt dismounting driving shaft, the transmission shaft is a bolt dismounting transmission shaft 23, the driving shaft in the tire clamping protection device 11' is a tire clamping driving shaft, and the transmission shaft is a tire clamping transmission shaft.
After the driving shaft is contacted with a transmission shaft friction plate 11-5 of a transmission shaft through a driving shaft pressure plate 11-3 and a driving shaft friction plate 11-4, a spring 11-9 in a positioning sleeve 11-8 is pushed to press a graphite top block 11-7 through the screwing degree of a torque adjusting bolt 11-10 on a hoop 11-1, the hoop 11-1 enables two ends of the two friction plates to generate adjustable clamping force, one end of the hoop 11-1 is fixed, and the other end of the hoop 11-1 generates sliding contact through the graphite top block 11-7, so that the friction force of a contact part can be reduced, meanwhile, the abrasion of the contact part in the device is reduced, the graphite top block 11-7 can be replaced at regular time, and the flexible connection of the shaft is realized.
In the process of debugging the device, a torque wrench can be connected in a detachable sleeve 20 through a connecting piece, after equipment is started, a torque adjusting bolt 11-10 at the position is debugged, after specified torque is realized, sliding friction can occur between two friction sheets, when shafts at two sides of a friction sheet generate relative displacement, a sub transmission shaft 21 at one end of a connecting sleeve stops moving, a bolt dismounting transmission shaft 23 connected with a gear of the sub transmission shaft also stops moving, at the moment, a bolt dismounting driving shaft at the other side of a hoop 11-1 can continue rotating to drive the hoop 11-1 to continue rotating, at the moment, the torque adjusting bolt 11-10 at the other side of the hoop 11-1 can touch a bidirectional travel switch 28 arranged at one side of a bolt dismounting sliding rack 8, a plurality of travel switches 28 distributed in an annular shape at any angle can be conducted in time, and a buzzer 26 can give an alarm sound, an operator can timely and continuously push the bolt dismounting sliding rack 8 forward, when the proficiency is not high or the rotating speed of the bolt dismounting driving shaft is too high, the operator can properly reduce the rotating speed of the bolt dismounting driving shaft 23 through the speed regulator, so that the driving gear 22 is slowly meshed with the transmission gear 24 on the sub-transmission shaft 21, then the speed is continuously increased, the operator with high proficiency can directly push forward at a proper speed without speed regulation, and the sub-transmission shaft 21 rotates according to a diagonal time sequence, so that the nut on the wheel is screwed down according to the diagonal time sequence. Therefore, the invention can obtain different adaptability according to different requirements of different vehicles on the torque required by screwing the nut on the tire 19, and embodies the rationality and compatibility of the device.
Fig. 4 is a schematic view of a development structure of a positional relationship between the sub-transmission shaft 21 and the bolt dismounting transmission shaft 23, and fig. 6 is a schematic view of a development structure of nuts distributed diagonally on the tire 19 by rotating the sub-transmission shaft 21 in a diagonal sequence, wherein the driving gear 22 and the inclined design of the axial tooth edge portions on the sub-transmission shaft 21 can realize the stability of the gear in the successive engagement process, thereby proving that the degree of automation of the present invention is high.
The bolt dismounting device comprises a bolt dismounting transmission shaft 23, a driving gear 22, a sub-transmission shaft 21 fixing disc 13, a sub-transmission shaft 21, a transmission gear 24, a top ball 25 and a detachable sleeve 20, wherein the end part of the bolt dismounting transmission shaft 23 is sleeved with the driving gear 22, the sub-transmission shaft 21 fixing disc 13 is fixed in the middle of the clamping support frame 14, the sub-transmission shaft 21 fixing disc 13 is uniformly sleeved with the sub-transmission shaft 21, the transmission gears 24 are respectively arranged in the middle of the bolt sub-transmission shaft 21 in a staggered mode at intervals, and the end part of the sub-transmission shaft 21 is connected with the; wherein both sides of each tooth in the driving gear 22 and the transmission gear 24 in the axial direction are respectively provided with an alignment slope as indicated by reference numeral 24 in fig. 3.
Promote the control handle 9 of the side of dismouting slip frame, can make drive gear 22 produce reciprocal displacement in a plurality of branch transmission shafts 21 that the annular distributes, drive gear 22 passes through the gradual income formula that gear axial both sides set up and aims at the inclined plane, can easily be in the assigned position, mesh the transmission gear 24 of staggered arrangement on each branch transmission shaft 21, it is rotatory to make branch transmission shaft 21 produce, the nut in the box spanner, can be at rotatory in-process, progressively slide in the sleeve, thereby realize screwing gradually and the dismantlement after screwing up gradually of nut, if certain nut is difficult to screw up when dismantling, can be in advance manually unscrew it with the sleeve a bit, reuse this device and carry out subsequent dismouting work, follow-up implementation mechanized operation, still more manual efficiency.
The bolt dismounting power device 10 comprises a motor, a speed regulator, a speed reducer, a belt pulley, a belt and a protective shell, wherein the motor is connected with the belt pulley through the speed regulator and the speed reducer, a driving shaft is dismounted through belt transmission, and the protective shell is arranged outside the belt.
The motor can realize the speed control of each link through the speed regulator, and can enable an operator to realize gradual learning and operation from liveliness to proficiency, so the device also has strong adaptability to the technical requirements of the operator.
But split workstation 15 contains workstation and lower workstation, and fifty percent discount after both sides are articulated, and the bottom surface of workstation and the top surface laminating of workstation down are connected down, and lower workstation is close to top surface department and is equipped with electro-magnet 6, and the material of workstation actuation department is iron, and the edge of workstation is equipped with counter weight couple 7, is equipped with control switch 5 down on the workstation.
Opening and shutting after 6 circular telegrams of electro-magnet can guarantee reliably that the workstation switches under different operating condition with lower workstation, both break away from the back and expand, through the height of adjusting telescopic bracket 4, the realization is got to the convenient clamp of the tire 19 of different positions, through the balancing weight 3 of the different masses of cooperation on the counter weight couple 7, overturn with the help of the manpower a little again, realize that the operation of picking up again after the tire 19 clamp is got, because the tire most on the tire patching machine all keeps flat, or if not keeping flat from the tire 19 that tire patching machine department moved, it is convenient when keeping flat with the tire not as according to this device requirement immediately to press from both sides the clamp. When the electromagnet 6 is attracted, the upper workbench and the lower workbench can be safely and reliably ensured to be used as one workbench. The weights 3 may be of a number of different size types, the number of weights 3 then being selected to accommodate the different physical strengths of different operators, depending on the quality of the different tires 19. The counterweight 3 can be placed on the base 2 when not in use.
3-8 universal wheels 1 are arranged on the bottom surface of the base 2, 1-6 balancing weights 3 are arranged on the upper surface of the base 2, and the balancing weights are connected with a balancing weight hook 7 through a hanging rope; the telescopic supports 4 arranged on the top surface of the base 2 are electric hydraulic push rods, and the number of the groups is 3-6. The number and the height of the counterweight 3 mounted can be adjusted by the hanging rope.
The dismounting alarm device comprises 1-4 bidirectional travel switches 28 and a buzzer 26, wherein bidirectional conducting contacts of the bidirectional travel switches 28 are respectively connected in parallel and then connected in series with the buzzer 26 to be connected with a power supply.
After the two-way conducting contacts of the two-way travel switch 28 are connected in parallel, the alarm can be triggered in time under the specified torque when the nut is screwed, so that an operator can switch the screwing work of the next nut. When the nut is screwed off, sundries on the nut or the nut thread is slightly damaged sometimes, so that the thread can be correspondingly and inaccurately clamped in the rotating process, and the torque adjusting bolt 11-10 gives out an alarm sound when the nut is clamped, so that an operator can be aware of stopping screwing the nut in time and take disassembling measures after diagnosis through manual identification.
And a control handle 9 is arranged on the side edge of the bolt dismounting sliding rack 8. The control handle 9 can facilitate an operator to move the bolt dismounting device back and forth to perform screwing and unscrewing operations on nuts at the wheels.
Claims (9)
1. A robotic arm for changing tires, comprising: the tire clamping and releasing device comprises a base, a telescopic support, a detachable workbench, a bolt disassembling and releasing power device, a bolt disassembling and releasing protection device, a bolt disassembling and releasing device, a tire clamping and releasing power device, a tire clamping and releasing protection device, a tire clamping and releasing device and a disassembling and releasing alarm device, wherein the upper surface of the base is connected with the lower surface of the detachable workbench through the telescopic support, the upper surface of the detachable workbench is connected with a bolt disassembling and releasing sliding rack through a guide rail, the bolt disassembling and releasing power device, the bolt disassembling and releasing device and the disassembling and releasing alarm device are sequentially arranged on the bolt disassembling and releasing sliding rack, and the tire clamping and releasing device is arranged on one side, close to; the bolt dismounting power device is connected with the bolt dismounting device, the bolt dismounting device comprises a bolt dismounting protection device, and the bolt dismounting protection device is connected with the dismounting alarm device; one side of the tire clamping and placing device is provided with a tire clamping and placing power device, and a tire clamping and placing protection device is arranged in the tire clamping and placing device, the bolt dismounting protection device and the tire clamping protection device have the same structure and respectively comprise a driving shaft, a driving shaft pressure plate, a driving shaft friction plate, a clamp, a torque adjusting bolt, a positioning sleeve, a spring and a graphite top block, the device comprises a driving shaft, a clamp, a positioning sleeve, a spring and a graphite jacking block, wherein the driving shaft is sequentially connected with a driving shaft pressure plate and a driving shaft friction plate, one end of the clamp is fixed on the outer side of the driving shaft pressure plate, the other end of the clamp is positioned on one side of the driving shaft pressure plate, the outer side of the clamp is provided with a torque adjusting bolt, the inner side of the clamp is provided with the; the number of the clamp, the torque adjusting bolt, the positioning sleeve, the spring and the graphite top block is 1-8; the driving shaft in the bolt dismounting protection device is a bolt dismounting driving shaft, the transmission shaft is a bolt dismounting transmission shaft, the driving shaft in the tire clamping protection device is a tire clamping driving shaft, and the transmission shaft is a tire clamping transmission shaft.
2. A robotic arm for changing tires according to claim 1, wherein: the tire clamping and placing device comprises a clamping and placing support frame, a clamping and placing transmission shaft, a clamping and placing rotating arm and a clamping and placing roller, wherein 2-8 clamping and placing transmission shafts are annularly arranged on the clamping and placing support frame, the end part of each clamping and placing transmission shaft is perpendicularly connected with one end of the clamping and placing rotating arm, the other end of the clamping and placing rotating arm is connected with a central shaft of the clamping and placing roller through a rotating shaft, and an anti-skidding rubber sleeve is arranged on the outer surface of the clamping and placing roller.
3. A robotic arm for changing tires according to claim 2, wherein: the tire clamping and placing power device is positioned on one side of the clamping and placing support frame and comprises 2-8 groups of motors and a worm gear speed reducer, the output end of the worm gear speed reducer is connected with one end of the clamping and placing transmission shaft, and the motors are connected in parallel and then are connected into a power supply through the same switch.
4. A robotic arm for changing tires according to claim 1, wherein: the bolt dismounting device comprises a bolt dismounting transmission shaft, a driving gear, a sub-transmission shaft fixing disc, a sub-transmission shaft, a transmission gear, a top bead and a detachable sleeve, wherein the driving gear is sleeved at the end part of the bolt dismounting transmission shaft; wherein, the two sides of each tooth axial direction in the driving gear and the transmission gear are respectively provided with an aligning inclined plane.
5. A robotic arm for changing tires according to claim 1, wherein: the bolt dismounting power device comprises a motor, a speed regulator, a speed reducer, a belt pulley, a belt and a protective shell, wherein the motor is connected with the belt pulley through the speed regulator and the speed reducer, a driving shaft is dismounted through belt transmission, and the protective shell is arranged outside the belt.
6. A robotic arm for changing tires according to claim 1, wherein: but split workstation contains upper table and lower workstation, and the fifty percent discount after both sides are articulated, and the bottom surface of upper table and the top surface laminating of lower workstation are connected, and lower workstation is close to top surface department and is equipped with the electro-magnet, and the material of upper table actuation department is iron, and the edge of upper table is equipped with the counter weight couple, is equipped with control switch on the lower workstation.
7. A robotic arm for changing tires according to claim 6, wherein: 3-8 universal wheels are arranged on the bottom surface of the base, 1-6 balancing weights are arranged on the upper surface of the base, and the balancing weights are connected with a balancing weight hook through a hanging rope; the top surface of the base is provided with a telescopic support which is an electric hydraulic push rod, and the number of the telescopic support is 3-6.
8. A robotic arm for changing tires according to claim 1, wherein: the dismounting alarm device comprises 1-4 bidirectional travel switches and a buzzer, wherein bidirectional conducting contacts of the bidirectional travel switches are respectively connected in parallel and then connected in series with the buzzer to be connected with a power supply.
9. A robotic arm for changing tires according to claim 1, wherein: and a control handle is arranged on the side edge of the bolt dismounting sliding rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911297678.XA CN110936766B (en) | 2019-12-17 | 2019-12-17 | Mechanical arm for replacing tire |
Applications Claiming Priority (1)
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| CN110936766B true CN110936766B (en) | 2020-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111422012B (en) * | 2020-04-16 | 2021-11-30 | 安徽科技学院 | Special tool for disassembling scrapped automobile hub tire |
| CN111806151A (en) * | 2020-06-29 | 2020-10-23 | 浙江安格鲁传动系统有限公司 | Automobile hub replacing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03239433A (en) * | 1990-02-19 | 1991-10-25 | Kanto Auto Works Ltd | Fastening device of tire hub nut |
| JPH106151A (en) * | 1996-06-26 | 1998-01-13 | Kanto Auto Works Ltd | Multi-nut runner |
| JP2000210824A (en) * | 1999-01-18 | 2000-08-02 | Honda Motor Co Ltd | Tire assembling device |
| JP2006055955A (en) * | 2004-08-20 | 2006-03-02 | Nitto Seiko Co Ltd | Parts fastening screw driver unit |
| CN107584274A (en) * | 2017-08-30 | 2018-01-16 | 赵阳 | Single double methods moved automatic tightening bolt device and its tighten bolt of driving |
| CN207725149U (en) * | 2018-01-10 | 2018-08-14 | 内蒙古工业大学 | A kind of dismantling device of automobile tire easy to disassemble |
| CN108500604A (en) * | 2018-05-03 | 2018-09-07 | 蔚来汽车有限公司 | Automatic assembly equipment and automatic assembly method |
| CN109664681A (en) * | 2019-01-30 | 2019-04-23 | 蒙阴县鹏程万里车辆有限公司 | A kind of mechanical arm and method of vehicle-mounted automatic re-type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10926365B2 (en) * | 2017-08-19 | 2021-02-23 | Hongcai Wen | Apparatus and method for attaching and detaching circular arrayed fasteners |
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2019
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03239433A (en) * | 1990-02-19 | 1991-10-25 | Kanto Auto Works Ltd | Fastening device of tire hub nut |
| JPH106151A (en) * | 1996-06-26 | 1998-01-13 | Kanto Auto Works Ltd | Multi-nut runner |
| JP2000210824A (en) * | 1999-01-18 | 2000-08-02 | Honda Motor Co Ltd | Tire assembling device |
| JP2006055955A (en) * | 2004-08-20 | 2006-03-02 | Nitto Seiko Co Ltd | Parts fastening screw driver unit |
| CN107584274A (en) * | 2017-08-30 | 2018-01-16 | 赵阳 | Single double methods moved automatic tightening bolt device and its tighten bolt of driving |
| CN207725149U (en) * | 2018-01-10 | 2018-08-14 | 内蒙古工业大学 | A kind of dismantling device of automobile tire easy to disassemble |
| CN108500604A (en) * | 2018-05-03 | 2018-09-07 | 蔚来汽车有限公司 | Automatic assembly equipment and automatic assembly method |
| CN109664681A (en) * | 2019-01-30 | 2019-04-23 | 蒙阴县鹏程万里车辆有限公司 | A kind of mechanical arm and method of vehicle-mounted automatic re-type |
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| CN110936766A (en) | 2020-03-31 |
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