CN109204606B - Roller mechanism for AGV (automatic guided vehicle) and AGV - Google Patents
Roller mechanism for AGV (automatic guided vehicle) and AGV Download PDFInfo
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- CN109204606B CN109204606B CN201811178643.XA CN201811178643A CN109204606B CN 109204606 B CN109204606 B CN 109204606B CN 201811178643 A CN201811178643 A CN 201811178643A CN 109204606 B CN109204606 B CN 109204606B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 162
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 claims abstract description 38
- 239000010949 copper Substances 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims description 39
- 230000000903 blocking effect Effects 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 5
- 241000227287 Elliottia pyroliflora Species 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
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Abstract
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), which comprises a transmission shaft and a roller for transmitting goods, wherein the roller is arranged at one end of the transmission shaft, a motor driving wheel is arranged at the other end of the transmission shaft, the motor driving wheel is connected with the output end of a motor through a transmission belt, a copper sleeve is arranged between the motor driving wheel and the transmission shaft, a transmission part is arranged at one end of the motor driving wheel close to a roller, and the movement and the rest of the roller are realized through the transmission part; the invention also discloses a roller transmission method for the AGV car, which realizes the accumulation and the release of the goods through the relative movement and the static between the transmission part and the transmission shaft; by adopting the technical scheme, the integrality of the goods in the transportation process is ensured, the products are prevented from being damaged in the transportation process while being convenient for being accumulated, the production cost is saved, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of mechanical transmission, and particularly relates to a roller mechanism for an AGV (automatic guided vehicle) and the AGV.
Background
Along with the development of economy, the productivity is promoted, products needing transmission transportation in the production process are increased, the number of products in single transmission of a conventional conveyor is small, the products are difficult to match with a quick production beat, common accumulation type transmission adopts a mode of adjusting the driving force of a roller or directly blocking the product transportation, the products are accumulated at the upstream of a production line and then are transported once again, pushing pressure among the products can be caused by the method, the accumulation of the lighter products is not facilitated, the roller type AGV in the prior art can only transmit the products according to a set transmission rotating speed, and the application rate of batch transmission is relatively low.
Disclosure of Invention
The invention aims to provide a roller mechanism for an AGV (automatic guided vehicle) and the AGV, which are convenient for product accumulation and avoid product transportation damage.
In order to achieve the purpose, the invention adopts the technical scheme that: including the transmission shaft with be used for transmitting the cylinder of goods, the tip cover of cylinder is established and is connected in transmission shaft one end, the transmission shaft other end is provided with the motor drive wheel that is used for providing the rotation traction force of transmission shaft, the motor drive wheel passes through the drive belt and links to each other with external motor output, be provided with the copper sheathing between motor drive wheel and the transmission shaft, the motor drive wheel cup joints the outer wall at the copper sheathing with interference fit's mode, the inner wall of copper sheathing cup joints the tip in the transmission shaft with clearance fit's mode, the motor drive wheel is provided with the transmission portion that is used for the rotation traction force that the driving motor produced in the one end that is close to the gyro wheel, and pass through the transmission portion realizes the motion and the static of cylinder.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein a transmission shaft is a three-section cylinder with the diameter decreasing progressively along the axial direction, the roller is sleeved at one end of the maximum diameter section of the transmission shaft, the inner wall of a copper sleeve is sleeved at the other end of the minimum diameter section of the transmission shaft, and the end part of a transmission part is arranged at the junction of the middle section and the minimum diameter section of the transmission shaft.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein a transmission part comprises a fixed nut, a transmission nut and a spring, the end surface of the spring is respectively butted and connected with the end surface of a copper sleeve and the end surface of the transmission nut which are arranged in a motor transmission wheel, the fixed nut is sleeved and fixed in the middle of a transmission shaft, the transmission nut is arranged between the spring and the fixed nut, the copper sleeve is oppositely connected with the transmission nut through the spring, the spring is wound and arranged on the outer side surface of the section with the smallest diameter of the transmission shaft, and the axes of the fixed nut, the transmission nut and the spring are collinear and coincide with the axis of the transmission shaft; the transmission nut is sleeved at the tail end of the middle section of the transmission shaft through threads and used for adjusting the friction force between the spring and the motor transmission wheel.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), which further comprises a first bearing seat and a second bearing seat, wherein the first bearing seat and the second bearing seat are respectively arranged at two ends of the roller, the first bearing seat and the second bearing seat are rotatably connected with a transmission shaft, the shaft sleeves of the first bearing seat and the second bearing seat are respectively provided with bolt holes for fixing the transmission shaft, and the axes of the first bearing seat, the second bearing seat and the transmission shaft are superposed.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein a baffle is arranged at the end part of the section with the smallest diameter in a transmission shaft, one end of a motor transmission wheel on the transmission shaft is blocked by the baffle, and the center of the baffle is fixed with the axis of the transmission shaft by a screw.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein the shape of a roller is in a two-section type with the thickness decreasing, a through hole penetrating in the vertical direction is formed in one end, away from a motor driving wheel, of the roller, a spring pin hole is formed in the position, corresponding to the through hole, of a transmission shaft, and the spring pin penetrates through the through hole and the spring pin hole in the two sides of the roller.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein the part of a second bearing seat connected with a transmission shaft is in a ring shape, the transmission shaft axially penetrates through the inner ring of the second bearing seat, and two sides of the second bearing seat are respectively provided with a mounting hole.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein a motor driving wheel is arranged into a double-row chain wheel, and the double-row chain wheel is connected with the output end of a motor through a chain.
The invention discloses a roller mechanism for an AGV (automatic guided vehicle), wherein a transmission part comprises an open nut and a spring, a bolt is arranged on the side edge of the open nut, the spring is respectively abutted against the end face of an embedded copper sleeve of a motor transmission wheel and the end face of the open nut, the bolt on the open nut is opened when the friction force is adjusted, and the bolt on the open nut is fastened when the friction force is adjusted to a proper position.
The invention also discloses an AGV which comprises the roller mechanism and a cargo blocking and releasing mechanism, wherein the cargo blocking and releasing mechanism comprises;
a mechanism for blocking and releasing cargo comprising:
the fixing assembly comprises a motor base bottom plate, a motor mounting plate and a fixing vertical plate, the motor mounting plate is arranged at one end of the bottom plate, the fixing vertical plate is arranged in the middle of the motor base bottom plate, and the motor mounting plate is perpendicular to the fixing vertical plate;
the power assembly comprises a push rod motor and a rolling assembly, the push rod motor is installed on the motor installation plate, and the other end of a push rod of the push rod motor is fixedly connected with the rolling assembly and drives the rolling assembly to move back and forth along the axial direction of the push rod;
the swing subassembly, the swing subassembly includes big balance staff, big balance staff both ends fixed connection fixed riser, big balance staff middle section is provided with can be around its pivoted big pendulum, big pendulum quantity is 2, connect through big pendulum weldment between the big pendulum, big pendulum is kept away from the one end of push rod motor is provided with little balance staff, little pendulum cover is established and can be rotated around it on little balance staff, the cover is equipped with two torsional springs on the little balance staff, two torsional spring one end sets up on the big pendulum weldment, its other end is located and sets up the second rolling member below on little pendulum top, the second rolling member is located and is close to the party of push rod motor.
By adopting the technical scheme of the invention, the copper sleeve is in interference fit with the double-row chain wheel, the relative friction between the copper sleeve and the spring generates a larger friction force, the spring transmits the force to the transmission shaft through the nut, and then the roller rolls to drive the goods to move; when the goods need to be released, the goods can be manually pressed down or automatically descended to release the goods, the AGV car can have a stacking function through the method, and due to the fact that the mechanism is relatively simple, large extrusion force generated between the transported goods is avoided, the completeness of the goods in the transportation process is ensured, the production cost is saved, and the working efficiency is improved.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic diagram of a roller mechanism for a roller AGV cart in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a roller mechanism for a roller AGV embodiment of the present invention;
fig. 3 is a schematic view of a cargo blocking and releasing mechanism according to the fourth embodiment of the present invention.
Labeled as: 1. a first bearing housing; 2. a spring pin; 3. a drive shaft; 4. a drum; 5. a drive nut; 6. a spring; 7. a copper sleeve; 8. double-row chain wheels; 9. a screw; 10. a baffle plate; 11. a second bearing housing; 12. fixing a nut; 13. a limit switch fixing plate; 14. fixing the vertical plate; 15. a limit switch; 21. a push rod motor; 22. a push rod motor push rod; 23. a push rod adapter; 24. a sliding bearing; 25. a pin shaft; 31. a large swing shaft; 32. a large pendulum; 33. a small swing shaft; 34. a small pendulum; 35. a barrier bearing; 36. a limiting shaft; 37. a double torsion spring; 38. a large pendulum weldment.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
Example one
FIG. 1 is a schematic diagram of a roller mechanism for an AGV according to the present invention, and FIG. 2 is a cross-sectional view of a roller mechanism for an AGV according to the present invention, the roller mechanism for an AGV as shown in the figure comprises a transmission shaft 3 and a roller 4 for transferring goods, the transmission shaft 3 is a three-section cylinder with decreasing diameter along an axial direction, an end of the roller 4 is fixedly connected to a section with the largest diameter in the transmission shaft 3 through a laterally penetrating spring pin 2, the end of the transmission shaft 3 at the section with the smallest diameter is provided with a motor driving wheel for providing a rotational traction force to the transmission shaft 3, the motor driving wheel is connected to an external motor output end through a transmission belt, a copper sleeve 7 is arranged between an axis of the motor driving wheel and the transmission shaft 3, the motor driving wheel is sleeved on an outer wall of the copper sleeve 7 in an interference fit manner, an inner wall of the copper sleeve 7 is sleeved on one end of the section with the smallest diameter of the transmission shaft 3 in a clearance fit manner, the end of the motor driving wheel close to the roller 4 is provided with a driving part for driving the rotation traction force generated by the motor, a copper sleeve 7 is arranged between the motor driving wheel and the transmission shaft 3, and a gap exists between the inner wall of the copper sleeve 7 and the transmission shaft 3, so the traction force of the motor driving wheel is transmitted to the transmission shaft 3 through the driving part, the copper sleeve 7 can be used as one of the connecting devices for the traction force transmission, the transmission effect to be realized by the driving part can be realized through a plurality of devices, the roller 4 can realize goods accumulation by being static for a part of time, and the goods are transmitted by rolling for the other part, therefore, the driving part needs to switch two states of force application and no force application to the transmission shaft 3.
The transmission part comprises a fixing nut 12, a transmission nut 5 and a spring 6, the end part of a motor transmission wheel is connected with the transmission nut 5 through the spring 6, the fixing nut 12 is fixedly sleeved in the middle of the transmission shaft 3, the transmission nut 5 is arranged between the spring 6 and the fixing nut 12, a copper sleeve 7 is connected with the transmission nut 5 through the spring 6, two ends of the spring 6 are respectively abutted against the transmission nut 5 and the copper sleeve 7, and the axes of the fixing nut 12, the transmission nut 5, the spring 6 and the transmission shaft 3 are parallel or coincident; the transmission nut 5 is sleeved on the middle section of the transmission shaft 3 through threads, and the transmission nut is arranged on the transmission shaft and used for adjusting the friction force between the spring and the motor transmission wheel; the fixing nut plays a role in fastening the transmission nut and preventing the transmission nut from moving in the rotation process of the transmission shaft. The copper bush 7 plays a role in the invention as a state switching transition part between the motor driving wheel and the transmission shaft 3, when the roller 4 is in a stressed rotating state, the motor driving force transmits torque to the transmission nut 5 through the copper bush 7 and the spring 6, the transmission nut 5 is clamped at the middle section of the transmission shaft 3 through threads at the moment, the inner diameter of the transmission nut 5 is matched with the outer diameter of the transmission shaft 3, and the rotation traction force transmitted by the motor can be received between the transmission nut 5 and the transmission shaft 3; when the goods are blocked by stress or manually controlled, the roller 4 is in a static state, meanwhile, the external motor still rotates, the copper bush 7 is in interference fit with the double-row chain wheel 8 and is in clearance fit with the transmission shaft 3, the copper bush 7 is in contact with the spring 6 to generate relative motion, the rotation of the double-row chain 8 and the copper bush 7 is realized, the transmission shaft 3, the spring 6, the transmission nut 5, the fixing nut 12 and the roller 4 are in a static state, and the accumulating and releasing function of the roller type roller AGV trolley is realized through the process.
The parallel or coincident axes of the fixing nut 12, the transmission nut 5, the spring 6 and the transmission shaft 3 in the present case refer to two states, and when the transmission nut 5 is located on the middle section of the transmission shaft as shown in fig. 2, the four axes are coincident; during operation, however, the axis of the spring 6 may change; the diameter of the spring 6 is smaller than that of the transmission nut 5; greater than or equal to the diameter of copper sheathing 7, copper sheathing 7 is followed length in the 3 directions of transmission shaft is longer than electric drive wheel length in this direction, this is because the cost of copper sheathing 7 is less than double sprocket 8, if wearing and tearing or harm are convenient for change and maintenance, under other circumstances, the one end of spring 6 also can direct butt be in on the terminal surface of double sprocket 8, the both ends of spring 6 can adopt other modes to connect in addition, for example, the one end butt of spring 6 drive nut 5, the other end can twine copper sheathing 7 outer surface nestification is in motor drive wheel internal surface, the diameter less than or equal to of drive nut 5 the diameter of fixation nut 12.
The tip of the minimum section of 3 diameters of transmission shaft in this case is provided with separation blade 10, it is spacing with motor drive wheel through separation blade 10 on the transmission shaft 3, the center of separation blade 10 passes through the fix with screw with the axle center of transmission shaft 3, the shape of cylinder 4 also is the degressive two segmentation of thickness, cylinder 4 is provided with two through-holes that run through both sides in one section that deviates from motor drive wheel, transmission shaft 3 is provided with the spring pinhole in the position corresponding with these two through-holes, spring pin 2 runs through the through-hole and the spring pinhole of injecting cylinder 4 both sides, the effect of spring pin 2 is exactly the relative position of fixed transmission shaft 3 and cylinder 4.
The device provided by the invention also comprises a first bearing seat 1 and a second bearing seat 11, wherein the first bearing seat 1 and the second bearing seat 11 are respectively arranged at two ends of the roller 4, the first bearing seat 1 and the second bearing seat 11 are rotationally connected with the transmission shaft 3, namely the transmission shaft 3 can rotate in the first bearing seat 1 and the second bearing seat 11, bolt holes for fixing the transmission shaft 3 are respectively arranged at the bottoms of the first bearing seat 1 and the second bearing seat 11, the axes of the first bearing seat 1, the second bearing seat 11 and the transmission shaft 3 are parallel or coincident (parallel means that a certain distance is reserved between the axis of the transmission shaft 3 and the axes of the first bearing seat 1 and the second bearing seat 2 under the action of gravity, the axes are close to but not coincident), the first bearing seat 1 and the second bearing seat 11 are used for fixing the roller on the AGV, and the part of the first bearing seat 1, which is connected with the transmission shaft 3, is cylindrical, the protruding part of the end of the transmission shaft 3 is axially fixed in a groove on the end face of the first bearing seat 1, the transmission shaft 3 is in contact with the bottom surface of the groove, mounting holes are respectively arranged on two sides of the first bearing seat 1, the part of the second bearing seat 11 connected with the transmission shaft 3 is in a ring shape, the transmission shaft 3 axially penetrates through the inner ring of the second bearing seat 11, and the mounting holes are respectively arranged on two sides of the second bearing seat 11.
The motor driving wheel can be set to other wheels, but the motor driving wheel in the scheme is set to a double-row chain wheel 8, the double-row chain wheel 8 is connected with the output end of the motor through a chain, the double-row chain wheel 8 is the optimal scheme of the motor driving wheel, and the double-row chain wheel 8 has the advantages that the stress area is large, larger traction force can be provided for the transmission shaft 3, the condition that a wheel belt slips is avoided, and the transmission efficiency can be improved.
Example two
The scheme also discloses a roller transmission method for the AGV, which comprises the following steps:
s1, when the goods are in a transportation state, the traction force of the motor is applied on the transmission shaft 3 through the motor transmission wheel (namely the double-row chain wheel 8 in the above, the spring 6 and the transmission nut 5 to drive the roller 4 to rotate, so that the goods are transported on the side wall of the roller 4 in a single direction;
in an ideal state, the axes of the motor driving wheel, the copper sleeve 7, the spring 6 and the driving nut 5 are in a collinear state
S2, when the goods are blocked in the transportation process, the goods are in a static state, relative friction force is generated between the goods and the roller 4, the relative friction force between the goods and the roller 4 is larger than the static friction force between the spring 6 and the copper sleeve 7, so that the spring 6 and the copper sleeve 7 move relatively, and the transmission shaft 3 is not stressed to be decelerated to be in the static state because of a fit clearance between the copper sleeve 7 and the transmission shaft 3;
when the goods block is removed, the transmission nut 5 continues to drive the transmission shaft 3 to rotate, and the goods continue to be transported in one direction on the side wall of the roller 4.
It can be understood that, regarding the rotation direction of the drum 4, the rotation direction of the transmission shaft 3 can be adjusted by controlling the rotation direction of the motor, so as to realize the transportation and blocking of the goods.
EXAMPLE III
The difference between this embodiment and the first embodiment and the second embodiment is that the fixing nut 12 and the driving nut 5 in the above embodiments are combined into one, the opening nut is changed into an opening nut, the bolt is added on the side of the opening nut, then the driving part comprises the opening nut, the spring 6 and the motor driving wheel, the spring 6 is respectively abutted to the end surface of the copper sleeve 7 embedded in the motor driving wheel and the end surface of the opening nut, the bolt on the opening nut is opened when the friction force is adjusted, the bolt on the opening nut is fastened when the proper position is adjusted, and the mode reduces the space occupied by parts to a certain extent compared with the double-nut adjustment.
By adopting the technical scheme of the invention, the copper sleeve is in interference fit with the double-row chain wheel, the relative friction between the copper sleeve and the spring generates a larger friction force, the spring transmits the force to the transmission shaft through the nut, and then the roller rolls to drive the goods to move; when goods need to be released, the goods can be released manually or through motor reversal, the roller type roller AGV trolley can have a power and free function, and due to the fact that the mechanism is relatively simple, large extrusion force generated between the transported goods is avoided, completeness of the goods in the transportation process is guaranteed, production cost is saved, and working efficiency is improved.
Example four
This embodiment provides an AGV vehicle including the drum mechanism of the first embodiment or the second embodiment or the third embodiment or the fourth embodiment, and further including a mechanism for blocking and releasing a load, the mechanism for blocking and releasing a load including: the fixing assembly comprises a motor base bottom plate, a motor mounting plate and a fixing vertical plate 14, wherein the motor mounting plate is arranged at one end of the bottom plate, the fixing vertical plate is arranged in the middle of the motor base bottom plate, and the motor mounting plate is perpendicular to the fixing vertical plate 14; the power assembly comprises a push rod motor 21 and a rolling assembly, the push rod motor 21 is installed on the motor installation plate, and the other end of a push rod motor 22 is fixedly connected with the rolling assembly and drives the rolling assembly to move back and forth along the axial direction of the push rod; the swing subassembly, the swing subassembly includes big balance staff 31, big balance staff 31 both ends fixed connection fixed riser 14, big balance staff 31 middle section is provided with can be around its pivoted big pendulum 32, big pendulum 32 quantity is 2, connect through big pendulum weldment 38 between the big pendulum 32, big pendulum 32 is kept away from the one end of push rod motor 21 is provided with little balance staff 33, little pendulum cover is established and can be rotated around it on little balance staff 33, the cover is equipped with two torsional springs 37 on the little balance staff 33, two torsional springs 37 one end sets up on the big pendulum weldment 38, its other end is located the second rolling member below that sets up on little pendulum 34 top, the second rolling member is located and is close to the party of push rod motor 21.
The rolling assembly comprises a push rod adapter 23 and a first rolling piece, and the first rolling piece is connected to the push rod adapter 23 and can rotate around the axis of the first rolling piece;
the first rolling element is a sliding bearing 24 or an annular wheel, and the sliding bearing 24 or the annular wheel is connected with the push rod adapter 23 through a pin shaft 25.
The upper part of the large pendulum 32 is located on one side, away from the motor mounting plate, of the large pendulum shaft 31, and a limiting shaft is arranged on one side, away from the motor mounting plate, of the large pendulum shaft 31, and two ends of the limiting shaft 36 are fixed on the fixing plate.
The big pendulum 32 is provided with a gap which can accommodate the limit shaft 36;
the second rolling element is a sliding bearing 24 or an annular wheel, and the shaft of the sliding bearing 24 or the annular wheel passes through a through hole arranged at the top end of the small pendulum 34 to fix the sliding bearing 24 or the annular wheel at the top end of the small pendulum 34 to rotate around the shaft.
The second rolling element is a sliding bearing 24 or an annular wheel, and the shaft of the sliding bearing 24 or the annular wheel passes through a through hole arranged at the top end of the small pendulum 34 to fix the sliding bearing 24 or the annular wheel at the top end of the small pendulum 34 to rotate around the shaft.
The mechanism further comprises a switch assembly, wherein the switch assembly comprises a limit switch fixing plate 13, the limit switch fixing plate 13 is fixedly connected with the motor base bottom plate, and the limit switch fixing plate 13 is parallel to the fixed vertical plate 14 and is positioned at one end of the motor base bottom plate;
limit switch fixed plate 13 fixedly connected with limit switch 15, and be located limit switch fixed plate 13 top, limit switch 15 is used for confirming the tip position of motor push rod.
A method of blocking and releasing cargo comprising:
the power assembly and the swinging assembly are fixedly arranged on the fixed assembly;
the swinging motion of the swinging assembly realizes the entering and blocking of goods, and the power assembly is matched with the swinging assembly to realize the release of the goods;
or the power assembly is matched with the swinging motion of the swinging assembly to realize the entering, blocking and releasing of the goods.
In other embodiments, the switch assembly is fixedly mounted on the fixing assembly;
the swinging motion of the swinging assembly realizes the entering and blocking of goods, and the switch assembly and the power assembly are matched with the swinging assembly together to realize the release of the goods;
or the switch assembly and the power assembly are matched with the swinging movement of the swinging assembly to realize the entering and blocking of the goods, and the switch assembly and the power assembly are matched with the swinging assembly together to realize the release of the goods.
In a natural state, when goods enter rightwards, the goods press the small pendulum 34 and the second rolling piece, the small pendulum 34 is pressed down to enable the small pendulum 34 to move clockwise around the small pendulum shaft 33, relative distances between two ends of the double torsion spring 37 are gradually close to each other, meanwhile, the second rolling piece rotates along with the rightwards movement of the goods, and the goods enter the right position;
when the goods completely enter the right position, the goods do not press down the small pendulum 34 and the second rolling piece any more, the relative distance between the two ends of the double torsion spring 37 is increased, so that the small pendulum 34 rotates anticlockwise to return to the natural state, and the goods are blocked;
when goods need to be withdrawn from the right to the left, the motor push rod contracts, the large pendulum 32 rotates downwards and anticlockwise, the position height of the small pendulum 34 is reduced, the goods move leftwards and press the small pendulum 34, the small pendulum 34 moves clockwise around the small pendulum shaft 33, relative distances between two ends of the double torsion springs 37 gradually approach, the second rolling piece rotates along with the leftward movement of the goods, and the goods are withdrawn from the right to the left;
or,
in a natural state, when goods enter, the electric push rod contracts, the large pendulum 32 rotates downwards and anticlockwise, the position height of the small pendulum 34 is reduced, meanwhile, the goods press down the small pendulum 34 and the second rolling piece to enable the small pendulum 34 to move clockwise around the small pendulum shaft 33, relative distances between two ends of the double torsion spring 37 gradually approach, the second rolling piece rotates along with the rightward movement of the goods, and the goods enter the right position;
when the goods completely enter the right position, the push rod of the motor extends, the large pendulum 32 moves upwards and clockwise, the position height of the small pendulum 34 is increased, the goods do not press the small pendulum 34 and the second rolling piece any more, and the relative distance between the two ends of the double torsion spring 37 is increased, so that the small pendulum 34 rotates anticlockwise and returns to the natural state, and the goods are blocked;
when goods need withdraw from the right side to the left, the motor push rod contracts, big pendulum 32 is down and anticlockwise rotation, little pendulum 34 position height reduces, and goods move left and push down little pendulum 34 for little pendulum 34 is around little pendulum shaft 33 clockwise motion and two torsional spring 37 both ends relative distance is close to gradually, the second rolling member is followed the left motion of goods and is rotated, and goods withdraw from the right side to the left.
Or
In a natural state, when goods enter rightwards, the goods press the small pendulum 34 and the second rolling piece, the small pendulum 34 is pressed down to enable the small pendulum 34 to move clockwise around the small pendulum shaft 33, relative distances between two ends of the double torsion spring 37 are gradually close to each other, meanwhile, the second rolling piece rotates along with the rightwards movement of the goods, and the goods enter the right position;
when the goods completely enter the right position, the goods do not press down the small pendulum 34 and the second rolling piece any more, the relative distance between the two ends of the double torsion spring 37 is increased, so that the small pendulum 34 rotates anticlockwise to return to the natural state, and the goods are blocked;
when goods need to be withdrawn from the right to the left, the motor push rod is contracted to a contracted position defined by the switch assembly, the large pendulum 32 rotates downwards and anticlockwise, the position height of the small pendulum 34 is reduced, the goods moves leftwards and presses down the small pendulum 34, so that the small pendulum 34 moves clockwise around the small pendulum shaft 33, the relative distances of the two ends of the double torsion springs 37 gradually approach, the second rolling piece rotates along with the leftward movement of the goods, and the goods are withdrawn from the right to the left;
or,
in a natural state, when goods enter, the electric push rod is contracted to a contracted position limited by the switch assembly, the large pendulum 32 rotates downwards and anticlockwise, the position height of the small pendulum 34 is reduced, meanwhile, the goods downwards press the small pendulum 34 and the second rolling piece to enable the small pendulum 34 to clockwise move around the small pendulum shaft 33, relative distances between two ends of the double torsion spring 37 gradually approach, the second rolling piece rotates along with the rightward movement of the goods, and the goods enter the right position;
when the goods completely enter the right position, the motor push rod extends to the extending position defined by the switch assembly, the large pendulum 32 moves upwards and clockwise, the small pendulum 34 is raised in position and height, the goods do not press down the small pendulum 34 and the second rolling member any more, and the relative distance between the two ends of the double torsion spring 37 is increased, so that the small pendulum 34 rotates anticlockwise and returns to the natural state, and the goods are blocked;
when goods need withdraw from the right side to the left, the motor push rod contracts to the contraction position that the switch module prescribed a limit, big pendulum 32 is down and anticlockwise rotation, little pendulum 34 position height reduces, and goods move left and push down little pendulum 34 for little pendulum 34 around little pendulum shaft 33 clockwise motion and two torsional spring 37 both ends relative distance is close to gradually, the second rolling member follows the left motion of goods and rotates, and the goods withdraws from the right side to the left. The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
1. A roller mechanism for an AGV (automatic guided vehicle) is characterized by comprising a transmission shaft and a roller for transmitting goods, wherein the end part of the roller is sleeved and connected with one end of the transmission shaft, the other end of the transmission shaft is provided with a motor driving wheel for providing rotating traction force of the transmission shaft, the motor driving wheel is connected with an external motor output end through a transmission belt, a copper sleeve is arranged between the motor driving wheel and the transmission shaft, the motor driving wheel is sleeved on the outer wall of the copper sleeve in an interference fit manner, the inner wall of the copper sleeve is sleeved on the end part of the transmission shaft in a clearance fit manner, one end of the motor driving wheel close to a roller is provided with a transmission part for generating the rotating traction force of a transmission motor, the movement and the rest of the roller are realized through the transmission part, the transmission shaft is a three-section cylinder with progressively reduced axial diameter, wherein the roller is sleeved on one end of the largest section of the diameter of the transmission shaft, the inner wall of the copper sleeve is sleeved at the other end of the minimum diameter section of the transmission shaft, and the end part of the transmission part is arranged at the junction of the middle section and the minimum diameter section of the transmission shaft;
the transmission part comprises a fixing nut, a transmission nut and a spring, the end face of the spring is respectively butted and connected with the end face of a copper sleeve and the end face of the transmission nut which are arranged in the motor transmission wheel, and the fixing nut is sleeved and connected with the copper sleeveFixingIn the middle of the transmission shaft, a transmission nut is arranged between a spring and a fixed nut, a copper sleeve is oppositely connected with the transmission nut through the spring, the spring is wound on the outer side surface of the section with the smallest diameter of the transmission shaft, and the axes of the fixed nut, the transmission nut and the spring are collinear and coincide with the axis line of the transmission shaft; the transmission nut is sleeved at the tail end of the middle section of the transmission shaft through threads and used for adjusting the friction force between the spring and the motor transmission wheel.
2. The roller mechanism for an AGV vehicle of claim 1 further comprising first and second bearing housings respectively disposed at opposite ends of said roller, said first and second bearing housings being rotatably connected to said drive shaft, said first and second bearing housings having bolt holes for fixing said drive shaft, said first and second bearing housings and said drive shaft being axially aligned.
3. The AGV car roller mechanism of claim 1, wherein a stopper is provided at an end of a section of the transmission shaft having a smallest diameter, one end of the motor transmission wheel on the transmission shaft is stopped by the stopper, and a center of the stopper is fixed to an axis of the transmission shaft by a screw.
4. The mechanism of claim 1, wherein said rollers are shaped in two steps of decreasing thickness, and wherein said rollers have a through hole extending vertically therethrough at an end thereof facing away from said motor drive wheel, said drive shaft having spring pin holes at positions corresponding to said through holes, said spring pins extending through said through holes and said spring pin holes on both sides of said rollers.
5. The mechanism of claim 2, wherein said first bearing block is cylindrical in shape and is connected to said drive shaft, and wherein a protruding portion of said drive shaft is axially received in a recess in an end surface of said first bearing block and said drive shaft is engaged with a bottom surface of said recess, and wherein said first bearing block is provided with mounting holes on opposite sides thereof.
6. The mechanism of claim 2, wherein said second bearing housing is connected to said drive shaft in a circular configuration, said drive shaft extending axially through an inner circumference of said second bearing housing, said second bearing housing having mounting holes formed therein on opposite sides thereof.
7. The roller mechanism of claim 1, wherein said drive section includes a split nut and a spring, said split nut having a bolt on a side thereof, said spring abutting against an end surface of the motor drive pulley embedded copper sleeve and an end surface of the split nut, respectively, to open the bolt on the split nut when adjusting the friction force and to tighten the bolt on the split nut when adjusting to a proper position.
8. An AGV vehicle comprising the drum mechanism of any one of claims 1 to 7, and further comprising a load blocking and releasing mechanism, said load blocking and releasing mechanism comprising:
a mechanism for blocking and releasing cargo comprising:
the fixing assembly comprises a motor base bottom plate, a motor mounting plate and a fixing vertical plate, the motor mounting plate is arranged at one end of the bottom plate, the fixing vertical plate is arranged in the middle of the motor base bottom plate, and the motor mounting plate is perpendicular to the fixing vertical plate;
the power assembly comprises a push rod motor and a rolling assembly, the push rod motor is installed on the motor installation plate, and the other end of a push rod of the push rod motor is fixedly connected with the rolling assembly and drives the rolling assembly to move back and forth along the axial direction of the push rod;
the swing subassembly, the swing subassembly includes big balance staff, big balance staff both ends fixed connection fixed riser, big balance staff middle section is provided with can be around its pivoted big pendulum, big pendulum quantity is 2, connect through big pendulum weldment between the big pendulum, big pendulum is kept away from the one end of push rod motor is provided with little balance staff, the cover is equipped with two torsional springs on the little balance staff, two torsional springs one end sets up on the big pendulum weldment, its other end is located and sets up the second rolling member below on little balance staff top, the second rolling member is located and is close to the party of push rod motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178643.XA CN109204606B (en) | 2018-10-10 | 2018-10-10 | Roller mechanism for AGV (automatic guided vehicle) and AGV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178643.XA CN109204606B (en) | 2018-10-10 | 2018-10-10 | Roller mechanism for AGV (automatic guided vehicle) and AGV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204606A CN109204606A (en) | 2019-01-15 |
| CN109204606B true CN109204606B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811178643.XA Active CN109204606B (en) | 2018-10-10 | 2018-10-10 | Roller mechanism for AGV (automatic guided vehicle) and AGV |
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| Country | Link |
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| CN (1) | CN109204606B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201183671Y (en) * | 2008-01-21 | 2009-01-21 | 林明桐 | Transmission adjustment mechanism of stacked drum |
| CN102229378A (en) * | 2011-06-03 | 2011-11-02 | 无锡杰思物流设备有限公司 | Power and free roller |
| CN107161596A (en) * | 2017-06-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | The power ＆ free conveying equipment and its drive device of a kind of tunable load |
-
2018
- 2018-10-10 CN CN201811178643.XA patent/CN109204606B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201183671Y (en) * | 2008-01-21 | 2009-01-21 | 林明桐 | Transmission adjustment mechanism of stacked drum |
| CN102229378A (en) * | 2011-06-03 | 2011-11-02 | 无锡杰思物流设备有限公司 | Power and free roller |
| CN107161596A (en) * | 2017-06-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | The power ＆ free conveying equipment and its drive device of a kind of tunable load |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109204606A (en) | 2019-01-15 |
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Effective date of registration: 20230117 Address after: 241000 Room 122, Block A, Wanchun Middle Road (Jiujiang Electronics Industrial Park), Jiujiang District, Wuhu City, Anhui Province Patentee after: Anhui Hongtu Robot Technology Co.,Ltd. Address before: 241000 building B11, self built workshop, East District, Anhui Xinwu Economic Development Zone, Wuhu County, Wuhu City, Anhui Province Patentee before: WUHU ZHIJIU ROBOT Co.,Ltd. |
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