CN114313853B - Track transportation trolley system capable of steering at will - Google Patents
Track transportation trolley system capable of steering at will Download PDFInfo
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- CN114313853B CN114313853B CN202210055996.0A CN202210055996A CN114313853B CN 114313853 B CN114313853 B CN 114313853B CN 202210055996 A CN202210055996 A CN 202210055996A CN 114313853 B CN114313853 B CN 114313853B
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- 238000007789 sealing Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a track transportation trolley system capable of steering at will. The system is composed of a transport trolley and a transport rail; the transportation track consists of transverse rails and longitudinal rails which are arranged in a crossing way; a steering wheel is arranged at the intersection of the transverse rail and the longitudinal rail; a rotating wheel is arranged at the bottom of the transport trolley corresponding to each steering wheel; when the transportation trolley moves to the steering wheel, the steering wheel is driven to rotate, and the rotating wheel is driven to rotate. According to the invention, the steering wheel is arranged at the intersection of the transverse rail and the longitudinal rail, so that the free switching among a plurality of non-collinear stations can be realized by arbitrary steering according to the working requirement.
Description
Technical Field
The invention relates to a track and a wheel train capable of steering at will.
Background
The work piece may have a plurality of positions in operation, and the trolley is generally transported when the positions need to be switched. If a plurality of stations are positioned on the same straight line, the common trolley can be transported according to the need. However, in order to solve the reversing problem of the wheels and the rails under the condition that the stations are not on the same straight line, an upper layer of transport trolley and a lower layer of transport trolley and rails are needed to be arranged, so that the mechanism is huge and complex, and the failure rate is high.
Disclosure of Invention
The invention provides a track transportation trolley system capable of randomly steering.
In order to achieve the purpose, the invention provides a track transportation trolley system capable of randomly steering, which comprises a transportation trolley and a transportation track; the transportation track consists of transverse rails and longitudinal rails which are arranged in a crossing way; a steering wheel is arranged at the intersection of the transverse rail and the longitudinal rail; a rotating wheel is arranged at the bottom of the transport trolley corresponding to each steering wheel;
when the transportation trolley moves to the steering wheel, the steering wheel is driven to rotate, and the rotating wheel is driven to rotate.
Further, the rotating wheel comprises a transportation trolley connecting seat, and a roller support is rotatably arranged on the connecting seat; and the roller is arranged on the roller support.
Further, the steering wheel includes: the sleeve is arranged at the intersection of the transverse rail and the longitudinal rail, and a rotating shaft is rotatably arranged in the sleeve;
a disc matched with the roller is arranged at the upper end of the rotating shaft;
The lower end of the rotating shaft extends downwards, and the lower end of the rotating shaft is a controlled end.
Further, the idler wheels are flat wheels with rims on two sides; two grooves matched with the rim are formed in the two sides of the upper middle of the disc.
Further, the inner side parts of the two grooves of the disc form a track, the track surface of the track is a circular arc straight line section, the middle of the track is concave, and the track is lower than the normal track surface by a preset height.
Further, the device also comprises a synchronous driving connecting rod structure, and comprises a driving connecting rod connected with the driving device and two driven connecting rods connected with the driving connecting rod in a linkage way;
Wherein, two ends of the driving connecting rod are hinged with the free ends of the long arms of the two L-shaped connecting arms with the same size; the corner of the L-shaped connecting arm is corresponding to two adjacent rotating shafts, and a sleeve connected with the rotating shafts is arranged at the corner; one ends of the two driven connecting rods are respectively hinged to the free ends of the short arms of the L-shaped connecting arms; the other ends of the two driven connecting rods are respectively hinged with a connecting arm, the other ends of the connecting arms are provided with sleeves, and the sleeves are correspondingly arranged with the corresponding rotating shafts.
Furthermore, the driving connecting rod consists of two connectors and an adjusting rod, and the adjusting rod is connected with the two connectors through threads; the other two ends of the connector are hinged with the free ends of the long arms of the L-shaped connecting arms.
Further, two key grooves are formed in each sleeve, and the difference between the two key grooves is 180 degrees; the rotating shaft is correspondingly provided with two key grooves; the rotating shaft is connected with the sleeve through a key.
Further, more than two positioning bolts are upwards arranged in the middle of the four steering wheels, and positioning bolt holes are formed in the bottoms of the transport trolleys corresponding to the positioning bolts.
According to the invention, the steering wheel is arranged at the intersection of the transverse rail and the longitudinal rail, so that the free switching among a plurality of non-collinear stations can be realized by arbitrary steering according to the working requirement.
Drawings
Fig. 1 is a schematic top view of a transport trolley running on a longitudinal rail.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic view of the rotor in fig. 2 rotated 90 degrees.
Fig. 4 is a schematic structural view of the rotating wheel and the steering wheel in fig. 2.
Fig. 5 is a schematic structural view of the rotating wheel and the steering wheel in fig. 3.
Fig. 6 is a schematic structural view of a rotating wheel.
Fig. 7 is a schematic structural view of a steering wheel.
Fig. 8 is a schematic bottom view of a multi-track steering linkage.
Fig. 9 is a schematic top view of the track of fig. 8 in an upright position.
Fig. 10 is a schematic top view of the transition rail of fig. 8 in an intermediate transition position.
Fig. 11 is a schematic top view of the track of fig. 8 in a horizontal position.
Fig. 12 is a schematic structural diagram of another embodiment of the present invention.
Fig. 13 is a schematic view of the positioning pin in fig. 12.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 7, an arbitrarily steered rail transportation trolley system of the present invention includes: the transport carriage 93 and the transport rail. Wherein the transport trolley comprises a plurality of rotating wheels 1 (four and more), the transport track comprises a transverse rail 91, a longitudinal rail 92 and a corresponding number of steering wheels 2.
1. The rotating wheel 1 comprises a connecting seat (a transport trolley) 1.1, a four-point contact ball bearing 1.2, a roller support 1.3, a pin shaft 1.4, a cylindrical roller bearing 1.5 and a roller 1.6.
The roller 1.6 is a flat wheel with rims at two sides, so that the stability of movement is kept, the inner width l1 of the rims, the outer width l2 of the rims and the height t of the rims. The roller 1.6 is arranged on the roller support 1.3 through a pin shaft 1.4, a cylindrical roller bearing 1.5, a sealing ring and the like. The end face of the pin shaft 1.4 is provided with an oil filling hole for lubricating the cylindrical roller bearing 1.5.
The two sides of the four-point contact ball bearing 1.2 are respectively provided with a roller support 1.3 and a connecting seat (a transport trolley) 1.1 through bolts.
By providing a four-point contact ball bearing 1.2 to withstand the axial forces in the direction of gravity, the roller 1.6 is allowed to turn freely with the roller support 1.3 etc. under load.
The steering wheel 2 comprises a rotating shaft 2.1, a thrust cylindrical roller bearing 2.2, a sleeve 2.3, a shaft sleeve 2.4, an end cover 2.5, a cover plate 2.6, a driving sleeve 2.7, a base plate 2.8 and a needle bearing 2.9.
The upper part of the rotating shaft 2.1 is a disc, two grooves are formed in the two sides of the middle of the rotating shaft, the inner width L1, the outer width L2 and the depth T of the grooves are formed in the grooves. Where L1> L1, L2< L2, T < T. The inner side parts of the two grooves form a track, the track surface of the track section is not a straight surface, is a circular arc straight line section, is concave in the middle and is lower than the normal track surface h (generally 0-5 mm). When the rotating wheel 1 of the transport trolley moves to the position, an automatic positioning function is achieved.
The rotating shaft 2.1 is mounted in the sleeve 2.3 by means of a thrust cylindrical roller bearing 2.2. The axial load on the shaft 2.1 is carried by the thrust cylindrical roller bearing 2.2.
The upper and lower needle bearings 2.9 are mounted between the rotating shaft 2.1 and the sleeve 2.3 through a shaft sleeve 2.4, a backing plate 2.8, an end cover 2.5, a shaft retainer ring and the like. A sealing ring is arranged in the end cover 2.5. The two needle bearings 2.9 bear the radial load of the shaft 2.1.
The driving sleeve 2.7 is arranged at the lower part of the rotating shaft 2.1 through the cover plate 2.6, and the driving sleeve 2.7 is connected with the rotating shaft 2.1 through a key.
Through the above mechanism setting, when pivot 2.1 need turn to, can drive pivot 2.1 through rotating drive sleeve 2.7 and rotate. By providing different kinds of bearings to withstand different forces, the shaft 2.1 is allowed to turn freely under load.
When the transportation trolley needs to turn, the driving sleeve 2.7 is rotated to drive the rotating shaft 2.1 to rotate, and then the roller 1.6 is driven to rotate. The track on the spindle 2.1 is also aligned with the track of the new direction of movement after steering so that the trolley can move freely.
The driving sleeve can synchronously drive the four drums through the synchronous connecting rod structure so as to realize the simultaneous rotation of the four steering wheels.
The connecting rod structure comprises a driving connecting rod connected with the driving device and two driven connecting rods connected with the driving connecting rod in a linkage way;
Wherein, two ends of the driving connecting rod are hinged with the free ends of the long arms of the two L-shaped connecting arms with the same size; the corner of the L-shaped connecting arm is provided with a sleeve connected with the rotating shaft, and the sleeve is arranged corresponding to two adjacent rotating shafts; one ends of the two driven connecting rods are respectively hinged to the free ends of the short arms of the L-shaped connecting arms; the other ends of the two driven connecting rods are respectively hinged with a connecting arm, the other ends of the connecting arms are provided with sleeves, and the sleeves are correspondingly arranged with the other two corresponding rotating shafts.
As shown in fig. 8 to 11, the hole on the right side of the connector 81 is a connecting hole for connecting a power component (a hydraulic cylinder, etc.), the middle hole is used for connecting a connecting rod, and the left side is a threaded hole (left-handed) for connecting an adjusting rod. The hole on one side of the right-handed connector 82 is used for connecting a connecting rod, and the other end part is a threaded hole (right-handed) used for connecting a corresponding adjusting rod. The left-hand connector 87 has the same external dimensions as the right-hand connector 82, but has a left-hand threaded end portion.
The adjusting rods 83 and 85 are long connecting rods, right-handed threads and left-handed threads with certain lengths are respectively processed at the end parts of the two sides, and the right-handed threads and the left-handed threads are matched to adjust the distance and the position between the connecting rods.
The distance between the connectors on two sides is adjustable due to the arrangement of the adjusting rod, so that the installation is convenient, and the processing requirement (precision) and cost of parts are reduced. On the other hand, a larger distance between the shafts is also allowed.
The middle of the connecting rod 84 and the connecting rod 86 are hollow sleeves which are connected and matched with the shaft at the lower part of the transfer rail.
Two key grooves are arranged in the hollow sleeves of the connecting rod 84 and the connecting rod 86 and are evenly distributed, and the difference is 180 °. Therefore, when the front and back installation is performed, the problem of behavior of key grooves is avoided, and the types of parts are reduced.
The link 84 has long and short arms perpendicular to each other, wherein the short arms are of a length consistent with the link 86, so that the link's respective track orientations are always consistent.
Through the system setting, the travelling bogie can change the direction of motion wantonly as required, need not set up multilayer dolly and track, simple structure, reliable stability.
However, in view of the precise positioning between the rollers and the steering wheel, as shown in fig. 12, more than two positioning pins 74 are provided upwardly in the middle of the four steering wheels, and positioning pin holes are provided at the bottom of the transportation cart corresponding to the positioning pins. As shown in fig. 13, a positioning bolt hole matched with the bolt 74 is arranged on the bottom 71 of the transportation trolley for matching positioning. The inner side of the mounting seat 76 is provided with a guide sleeve 75 (oil lubrication or self lubrication) which is pressed by the annular gland 72 on the left end face. The sealing ring 73 is arranged in the annular gland 72, the sealing ring 73 plays a role in sealing and protecting the plug pin 74, dust and sundries are prevented from entering, and smooth movement of the plug pin 74 is ensured. The hydraulic cylinder 77 is connected to the right end surface of the mounting seat 76 by a bolt, and the head of the piston rod of the hydraulic cylinder 77 is an external thread.
The outer diameter of the pin 74 is adapted to the inner diameter of the guide sleeve 75, the pin 74 being slidable only in the guide sleeve 75. The head of the pin 74 is a large chamfer, e.g., 15-20 degrees; so as to be easily guided into the bottom 71 of the trolley. The tail part of the bolt 74 is an internal threaded hole and is used for being connected with external threads of the head part of a piston rod of the hydraulic cylinder 77.
In normal operation, the hydraulic cylinder 77 and the latch 74 are in a retracted state. When the carriage bottom 71 is switched to the latch 74 position according to the work requirement, the carriage bottom 71 position is not particularly accurate due to insufficient accuracy of the power element or control of the parking accuracy. The pins are required to be inserted into the positioning pin holes of the bottom 71 of the transportation cart for accurate positioning.
The length of the guide sleeve 6 is more than 2 times the diameter of the bolt, thereby allowing the bolt to withstand this force, while the piston rod of the hydraulic cylinder is not affected.
In addition, after many times of positioning, the bolt head can be worn, but because of the separation design of the bolt and the piston rod of the hydraulic cylinder, the bolt head can not enter the hydraulic cylinder, thereby affecting the sealing mechanism of the hydraulic cylinder and facilitating the replacement of the bolt at the later stage.
Claims (1)
1. A track carriage system for arbitrary steering, said system comprising a carriage (93) and a transport track; the transportation rail is characterized by comprising transverse rails and longitudinal rails which are arranged in a crossing manner; a steering wheel is arranged at the intersection of the transverse rail and the longitudinal rail; a rotating wheel is arranged at the bottom of the transport trolley corresponding to each steering wheel;
When the transportation trolley runs onto the steering wheel, the steering wheel is driven to rotate, and the rotating wheel is driven to rotate;
Wherein the transport trolley comprises a plurality of rotating wheels (1), and the transport track comprises a transverse rail (91), a longitudinal rail (92) and a corresponding number of steering wheels (2);
The rotating wheel (1) comprises a connecting seat, a four-point contact ball bearing (1.2), a roller support (1.3), a pin shaft (1.4), a cylindrical roller bearing (1.5) and a roller (1.6);
The roller (1.6) is a flat wheel with rims at two sides, so that the movement stability is kept, the inner width of the rim is l1, the outer width of the rim is l2, and the height of the rim is t; the roller (1.6) is arranged on the roller support (1.3) through a pin shaft (1.4), a cylindrical roller bearing (1.5) and a sealing ring; the end face of the pin shaft (1.4) is provided with an oil filling hole for lubricating the cylindrical roller bearing (1.5);
two sides of the four-point contact ball bearing (1.2) are respectively arranged on the roller support (1.3) and the connecting seat through bolts;
the four-point contact ball bearing (1.2) is arranged to bear the axial force in the gravity direction, so that the roller (1.6) can carry the roller support (1.3) to carry out free steering under the load state;
The steering wheel (2) comprises a rotating shaft (2.1), a thrust cylindrical roller bearing (2.2), a sleeve (2.3), a shaft sleeve (2.4), an end cover (2.5), a cover plate (2.6), a driving sleeve (2.7), a base plate (2.8) and a needle roller bearing (2.9);
A disc is arranged above the rotating shaft (2.1), two grooves are formed in two sides of the middle of the disc, the inner widths of the two grooves are L1, the outer widths of the two grooves are L2, and the depth of the grooves is T; wherein L1> L1, L2< L2, T < T; the inner side parts of the two grooves form a track, the track surface of the track section is a circular arc straight line section, the middle part of the track section is concave, and the track section is lower than the normal track surface; when the rotating wheel (1) of the transport trolley moves to the position, the automatic positioning function is realized;
The rotating shaft (2.1) is arranged in the sleeve (2.3) through a thrust cylindrical roller bearing (2.2); so that the axial load on the rotating shaft (2.1) is borne by the thrust cylindrical roller bearing (2.2);
The two needle bearings (2.9) arranged up and down are arranged between the rotating shaft (2.1) and the sleeve (2.3) through the shaft sleeve (2.4), the base plate (2.8), the end cover (2.5) and the shaft retainer ring; a sealing ring is arranged in the end cover (2.5); the two needle bearings (2.9) bear radial load of the rotating shaft (2.1);
The driving sleeve (2.7) is arranged at the lower part of the rotating shaft (2.1) through the cover plate (2.6), and the driving sleeve (2.7) is connected with the rotating shaft (2.1) through a key;
when the rotating shaft (2.1) needs to turn, the rotating shaft (2.1) is driven to rotate by rotating the driving sleeve (2.7); allowing the shaft (2.1) to turn freely under load;
When the transport trolley needs to turn, the driving sleeve (2.7) is rotated to drive the rotating shaft (2.1) to rotate, and then the idler wheel (1.6) is driven to rotate; the track on the rotating shaft (2.1) is aligned with the track in the new moving direction after the steering, and the transport trolley can move freely;
the driving sleeve is synchronously driven through a synchronous connecting rod structure so as to realize the simultaneous rotation of four steering wheels; the synchronous connecting rod structure comprises a driving connecting rod connected with the driving device and two driven connecting rods arranged in linkage with the driving connecting rod;
Wherein, two ends of the driving connecting rod are hinged with the free ends of the long arms of the two L-shaped connecting arms with the same size; a driving sleeve connected with the rotating shaft is arranged at the corner of the L-shaped connecting arm; one ends of the two driven connecting rods are respectively hinged to the free ends of the short arms of the L-shaped connecting arms; the other ends of the two driven connecting rods are respectively hinged with a connecting arm, the other ends of the connecting arms are provided with driving sleeves, and the driving sleeves of the connecting arms are correspondingly provided with rotating shafts;
more than two bolts (74) are upwards arranged in the middle of the four steering wheels; a positioning bolt hole matched with the bolt (74) is arranged on the bottom (71) of the transport trolley and is used for matching and positioning; a guide sleeve (75) is arranged on the inner side of the mounting seat (76), and the guide sleeve (75) is tightly pressed by an annular gland (72); a sealing ring (73) is arranged in the annular gland (72), the sealing ring (73) plays a role in sealing and protecting the plug pin (74), dust and sundries are prevented from entering, and smooth movement of the plug pin (74) is ensured; the hydraulic cylinder (77) is connected to the mounting seat (76) through a bolt, and the head of a piston rod of the hydraulic cylinder (77) is an external thread;
The outer diameter of the bolt (74) is matched with the inner diameter of the guide sleeve (75), and the bolt (74) can slide in the guide sleeve (75); the head of the bolt (74) is a chamfer angle of 15-20 degrees; so as to be conveniently guided into the bottom (71) of the transport trolley; the tail part of the bolt (74) is an internal threaded hole and is used for being connected with external threads of the head part of a piston rod of the hydraulic cylinder (77);
During normal operation, the hydraulic cylinder (77) and the bolt (74) are in a retracted state; when the bottom position of the transport trolley is inaccurate, the bolt is inserted into a positioning bolt hole of the bottom (71) of the transport trolley to accurately position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210055996.0A CN114313853B (en) | 2022-01-18 | 2022-01-18 | Track transportation trolley system capable of steering at will |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210055996.0A CN114313853B (en) | 2022-01-18 | 2022-01-18 | Track transportation trolley system capable of steering at will |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114313853A CN114313853A (en) | 2022-04-12 |
| CN114313853B true CN114313853B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210055996.0A Active CN114313853B (en) | 2022-01-18 | 2022-01-18 | Track transportation trolley system capable of steering at will |
Country Status (1)
| Country | Link |
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| CN (1) | CN114313853B (en) |
Citations (3)
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| CN101768836A (en) * | 2010-02-04 | 2010-07-07 | 常熟市双龙无纺设备有限公司 | Station reversing mechanism for moulding mould of automotive sound-proof felt automatic moulding machine |
| CN104176453A (en) * | 2014-08-26 | 2014-12-03 | 中国葛洲坝集团三峡建设工程有限公司 | Perpendicular steering and rail changing steel mould bogie |
| CN216944888U (en) * | 2022-01-18 | 2022-07-12 | 中冶华天工程技术有限公司 | Rail transport trolley system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647854Y2 (en) * | 1987-11-18 | 1994-12-07 | 鬼頭工業株式会社 | Carrier |
| CN101475092B (en) * | 2008-12-01 | 2011-09-14 | 王树生 | Jacking steering transition track |
| CN106429359A (en) * | 2016-12-28 | 2017-02-22 | 安徽瑞祥工业有限公司 | Switching mechanism for butt-jointing crossing rails and switching method thereof |
| CN207684356U (en) * | 2017-11-17 | 2018-08-03 | 安桂芳 | The robotic conveyance platform of sorting is concentrated for logistics |
| CN108163512A (en) * | 2017-12-31 | 2018-06-15 | 嘉兴君屹工程有限公司 | A kind of L-type slide unit |
| CN208760361U (en) * | 2018-08-23 | 2019-04-19 | 湖南农业大学 | A kind of track road surface convertible vehicle suitable for mountainous region heavy uphill |
| CN109171542A (en) * | 2018-09-13 | 2019-01-11 | 上海普英特高层设备股份有限公司 | A kind of vertical lane change system for window cleaning equipment |
-
2022
- 2022-01-18 CN CN202210055996.0A patent/CN114313853B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768836A (en) * | 2010-02-04 | 2010-07-07 | 常熟市双龙无纺设备有限公司 | Station reversing mechanism for moulding mould of automotive sound-proof felt automatic moulding machine |
| CN104176453A (en) * | 2014-08-26 | 2014-12-03 | 中国葛洲坝集团三峡建设工程有限公司 | Perpendicular steering and rail changing steel mould bogie |
| CN216944888U (en) * | 2022-01-18 | 2022-07-12 | 中冶华天工程技术有限公司 | Rail transport trolley system |
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| CN114313853A (en) | 2022-04-12 |
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Effective date of registration: 20240527 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Country or region after: China Applicant after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Country or region before: China |
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