CN213833381U - Parallel and turnable rail conveying system - Google Patents

Abstract

The utility model discloses a parallel track conveying system that can turn, including annular double track way and shuttle, be provided with driving wheel group and driven wheelset on the shuttle, driving wheel group is used for providing drive power so that the shuttle walks on annular double track way, and driven wheelset then sets up on the frame through subassembly slidable ground that slides to, the slip direction of driven wheelset is parallel with the rotation vector from the driving wheel. When the shuttle vehicle runs to a turning position, due to the fact that the distance between the inner rail and the outer rail is increased, the track in contact with the driven wheel set can exert lateral acting force on the driven wheel set, and the driven wheel set can slide on the shuttle vehicle after receiving the acting force, so that the distance between the driven wheel set and the driving wheel set is changed, and the change of the distance between the inner rail and the outer rail is adapted. The utility model discloses operating stability is higher, and the shuttle can steadily pass the double track way turn section.

Description

Parallel and turnable rail conveying system

Technical Field

The utility model relates to a conveying equipment technical field especially relates to a parallel track conveying system that can turn.

Background

In the prior art, the running mode of the shuttle car has two forms, one is the form of running along a linear track, and the other is the form of running along an annular track, the shuttle car can only run linearly along the linear track, and the running mode is single, so that the use requirement of complex working conditions can not be met. The shuttle car running along the circular track needs to turn, so the structure between the shuttle car and the circular track is as follows: the annular track is an annular single track, one side of the bottom of the shuttle car is provided with track wheels matched with the annular single track, and the other side of the bottom of the shuttle car is provided with two universal wheels to ensure that the shuttle car turns smoothly.

The universal wheels are arranged at the bottom of the shuttle car, if the running speed of the shuttle car is too high, the universal wheels can be unstable in running, the shuttle car can be turned over seriously, the shuttle car with the universal wheels needs to keep running at a low speed, and the use efficiency of the shuttle car is seriously influenced. In addition, the universal wheels are arranged, and the universal wheels can generate very large noise in the running process of the shuttle vehicle. In summary, how to provide a novel circular track shuttle system with a high driving speed becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a parallel track conveying system that can turn to solve the problem that above-mentioned prior art exists, can guarantee the even running of shuttle on circular orbit, the security is high with the location accuracy.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a parallel and turnable rail conveying system, which comprises an annular double rail and a shuttle vehicle, wherein the annular double rail comprises an annular outer rail and an annular inner rail which are arranged in parallel,

the shuttle vehicle arranged on the annular double track comprises a vehicle frame, and a driving wheel set and a driven wheel set are arranged at the bottom of the vehicle frame; along the advancing direction of the shuttle vehicle, the two driving wheel sets are arranged on one side of the frame, and the two driven wheel sets are arranged on the other side of the frame through a sliding component; the driving wheel set comprises a driving wheel which is in rolling contact with the annular outer rail or the annular inner rail, the driving motor is used for driving the driving wheel to rotate, the driven wheel set comprises a driven wheel which is in rolling contact with the annular inner rail or the annular outer rail; and side guide wheels are arranged below the driving wheel and the driven wheel and are clamped into the annular outer rail and the annular inner rail.

Preferably, the driving wheels comprise a front driving wheel and a rear driving wheel, the driving motor comprises a front motor and a rear motor, the front motor is used for driving the front driving wheel to move, and the rear motor is used for driving the rear driving wheel to move; the driven wheel comprises a front driven wheel and a rear driven wheel, the front driven wheel is arranged corresponding to the front driving wheel, and the rear driven wheel is arranged corresponding to the rear driving wheel.

Preferably, the front driving wheel and the rear driving wheel have the same structure, the front driving wheel comprises a fixing plate, a bearing shaft, a wheel box, a shaft and a rubber-coated wheel, the driving motor is fixed on the wheel box, the rubber-coated wheel is arranged on the wheel box through a bearing sleeve and the shaft, and an output shaft of the driving motor is in coaxial transmission connection with the shaft; the bearing shaft is fixed to the top of the wheel box through bolts, the bearing is nested on the fixing plate, the top end of the bearing shaft is assembled in the bearing on the fixing plate, and the fixing plate is fixed to the frame through bolts.

Preferably, the front driven wheel and the rear driven wheel have the same structure, the front driven wheel comprises a slide rail fixing plate, a slide rail slider mechanism, a slider fixing plate, a bearing shaft, a wheel box and a rubber-coated wheel, the rubber-coated wheel is mounted on the wheel box through a bearing sleeve and a shaft, the bearing shaft is fixed at the top of the wheel box through a bolt, the slider fixing plate is nested with a bearing, and the top end of the bearing shaft is assembled in the bearing on the slider fixing plate; the sliding rail and sliding block mechanism comprises a sliding rail and a sliding block which are in sliding fit, the sliding block is fixed on the sliding block fixing plate through a bolt, the sliding rail is fixed on the sliding rail fixing plate through a bolt, and the sliding rail fixing plate is fixed on the frame through a bolt.

Preferably, the side guide wheels comprise eccentric shafts, supports and adjusting plates, the side guide wheels are mounted on the supports through the eccentric shafts and shaft sleeves, and the supports are fixed on two sides of the wheel boxes of the driving wheels and the driven wheels through bolts; the eccentric shaft is characterized in that a plurality of wire holes are uniformly distributed around the shaft hole for assembling the eccentric shaft on the support, the adjusting plate is provided with a shaft hole and a round hole, the top end of the eccentric shaft penetrates through the support and then is positioned in the shaft hole on the adjusting plate, and the round hole on the adjusting plate is connected with any one of the wire holes through a bolt.

Preferably, the shuttle vehicle further comprises a control center, the control center comprises a control cabinet and a distance measuring device, the control cabinet is used for being in control connection with the driving motor, the distance measuring device is used for detecting obstacles in front of and behind the shuttle vehicle, and the distance measuring device is in signal connection with the control cabinet.

Preferably, the distance measuring device adopts a radar device or an infrared distance measuring device; along the traveling direction of the shuttle car, the front end and the rear end of the frame are both provided with anti-collision blocks.

Preferably, the annular double rail further comprises a connecting plate, a cross brace and a ground foot, the annular inner rail and the annular outer rail are formed by splicing a plurality of sections of arc-shaped rails through connecting strips, the connecting plate is arranged on one adjacent side of the annular inner rail and the annular outer rail, and two ends of the cross brace are fixed with the connecting plates on two sides; the bottom of the annular inner rail and the bottom of the annular outer rail are both provided with the ground feet.

Preferably, the anchor comprises a pressing plate, a supporting plate, nuts, a screw rod plate and chemical bolts, the supporting plate is fixed on the screw rod plate through two groups of symmetrically arranged nuts, the annular inner rail or the annular outer rail is placed on the supporting plate, the pressing plate is arranged in the middle of the supporting plate, and the pressing plate is inserted into a groove in the bottom of the annular inner rail or the annular outer rail; the chemical bolts are symmetrically arranged on two sides of the bottom of the screw rod plate, and the bottom ends of the chemical bolts are fixed on the ground.

The utility model discloses following beneficial technological effect has been gained for prior art:

1. the sliding rail and sliding block devices arranged on the two driven wheel devices realize that the wheel distance between the driving wheel and the driven wheel can be changed when the vehicle turns.

2. The side guide wheels realize that the distance between the guide wheels at the two sides can be adjusted in an eccentric shaft mode.

3. The universal rotation of the wheel is realized through the bearing on the wheel box.

4. The front and the rear of the vehicle body are provided with polyurethane anti-collision blocks which play a role in reducing collision during collision

5. The section shape of the aluminum alloy rail, the connection mode of accessories on the aluminum alloy rail and the rail splicing mode.

6. The height of the track is adjusted by adjusting the height position of the nut on the baseboard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a parallel steerable rail transport system;

FIG. 2 is a schematic structural view of the shuttle in a top view;

FIG. 3 is a schematic structural view of the shuttle at a bottom view;

FIG. 4 is an exploded view of the drive wheel set;

FIG. 5 is an exploded view of the driven wheel set;

FIG. 6 is a schematic view of the side guide wheel;

FIG. 7 is a cross-sectional structural view of the annular outer rail;

FIG. 8 is a partial structural view of an annular double rail;

FIG. 9 is a schematic structural view of a support for supporting an endless double track;

wherein, 1 shuttle vehicle; 2, an annular aluminum alloy track; 3, a front operation box; 4, a motor; 5 a chain machine device; 6, a frame; 7, a rear operation box; 8 a photoelectric scanning device; 9 a flange bracket; 10 a receiver; 11, a rear driving wheel; 12 a rear motor; 13 rear driven wheel; 14 front driving wheels; 15 a front motor; 16 a scanning device; 17 side guide wheels; 18 a front driven wheel; 19, taking a power supply device; 20 an anti-collision block; 21 a signal warning device; 22 a control cabinet; 23 a safety radar device; 24 fixing the plate; 25 bearing; 26 a cover plate; 27 a bearing shaft; 28 wheel boxes; 29 a bearing; 30 round nuts; 31 end caps; 32 a bearing table; 33 shafts; 34, expanding the sleeve; 35 wrapping a rubber wheel; 36 driving the motor; 37 sliding rail fixing plates; 38 a slide rail and slide block mechanism; 39 a stop block; 40 a slider fixing plate; 41 end caps; 42 bearings; 43 a cover plate; 44 a bearing shaft; 45 wheel boxes; 46 wrapping a rubber wheel; 47 bearings; 48 shafts; 49 shaft sleeves; 50 pressing plates; 51 an eccentric shaft; a side guide wheel 52; 53 shaft sleeves; 54 a support; 55 adjusting plate; 56 a nut; 57 set screws; 58 outer aluminum alloy rails; 59 connecting plates; 60 transverse bracing; 61 an inner aluminum alloy rail; 62 a connecting strip; 63 bar codes; 64 feet; 65 trolley lines; 66 pressing plates; 67 bracing plates; 68 a nut; 69 a screw plate; 70 chemical bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a parallel track conveying system that can turn to solve the problem that above-mentioned prior art exists, can guarantee the even running of shuttle on circular orbit, the security is high with the location accuracy.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 9, the embodiment provides a parallel turnable rail conveying system, which includes an annular double rail and a shuttle car 1, wherein the annular double rail includes an annular outer rail and an annular inner rail which are arranged in parallel, the shuttle car 1 arranged on the annular double rail includes a frame 6, and a driving wheel set and a driven wheel set are arranged at the bottom of the frame 6; along the advancing direction of the shuttle 1, two driving wheel sets are arranged on one side of the frame 6, two driven wheel sets are arranged on the other side of the frame 6 through a sliding component, and the sliding direction of the driven wheel sets is parallel to the rotation vector of the driven wheels; the driving wheel set comprises a driving wheel which is in rolling contact with the annular outer rail or the annular inner rail, the driving motor 36 is used for driving the driving wheel to rotate, and the driven wheel set comprises a driven wheel which is in rolling contact with the annular inner rail or the annular outer rail; side guide wheels 17 are arranged below the driving wheel and the driven wheel, and the side guide wheels 17 are clamped in the annular outer rail and the annular inner rail.

As shown in fig. 1, the parallel turnable rail conveying system is composed of a shuttle car 1 and an annular aluminum alloy rail 2 (an annular double rail). The annular aluminum alloy rail 2 includes an inner rail and an outer rail. The shuttle car 1 runs on the annular aluminum alloy track 2, two driven wheels fall on the inner track, two driving wheels fall on the outer track, and the side guide wheels 17 are arranged on the two sides of the driving wheel and the driven wheel, so that the purpose of clamping the track is achieved, and the shaking amplitude of the shuttle car 1 during the walking of the car body can be effectively reduced by arranging the side guide wheels 17.

In fig. 2 and 3, the shuttle car 1 is composed of a front operation box 3, a motor 4, a chain machine device 5, a frame 6, a rear operation box 7, a photoelectric scanning device 8, a flange support 9 arranged at the rear side of the frame 6, a receiver 10, a rear driving wheel 11, a rear motor 12, a rear driven wheel 13, a front driving wheel 14, a front motor 15, a scanning device 16, a side guide wheel 17, a front driven wheel 18, a power taking device 19, an anti-collision block 20, a signal warning device 21, a control cabinet 22, a safety radar device 23 and the like.

The driving wheel set comprises a front driving wheel 14 and a rear driving wheel 11, the driven wheel set comprises a front driven wheel 18 and a rear driven wheel 13, and the driving wheel set and the driven wheel set are respectively fixed on the left side and the right side (along the advancing direction of the shuttle car 1) of the frame 6 through bolts and correspond to the inner track and the outer track of the annular aluminum alloy track 2.

The motor 4 is used for driving the chain machine device 5 to run to realize feeding and discharging; the front motor 15 is mounted on the front drive wheel 14 and the rear motor 12 is mounted on the rear drive wheel 11. The electricity taking device 19 is fixed on the front driving wheel 14 through bolts, the anti-collision blocks 20 made of polyurethane material are fixed on the front and rear sides of the frame 6 through bolts, the front operation box 3 and the rear operation box 7 are fixed on the front and rear sides of the frame 6, and the receiver 10 is fixedly arranged on the bottom side of the frame 6. The rear operation box 7 is an emergency stop operation box. This parallel track conveying system that can turn still including control system, control system is including being used for with leading motor 15 and rearmounted motor 12 control connection's switch board 22 and being used for detecting the range unit of shuttle car front and back barrier, this range unit is for setting up in the safe radar installations 23 of 6 front sides of frame, range unit and switch board 22 signal link, when range unit detects that the distance is nearer, signal warning device 21 sends warning signal. The scanning device 16 arranged on the front side of the vehicle frame and the photoelectric scanning device 8 arranged on the rear side of the vehicle frame 6 judge the running position of the shuttle 1 by scanning the bar code 63 on the track.

In fig. 4, the front driving wheel 14 is composed of a fixing plate 24, a bearing 25, a cover plate 26, a bearing shaft 27, a wheel box 28, a bearing 29, a round nut 30, an end cover 31, a bearing sleeve 32, a shaft 33, an expansion sleeve 34, a rubber covered wheel 35, a driving motor 36 and the like. The driving motor 36 is fixed on the wheel box 28, the bearing 29 is nested on the bearing sleeve 32, the rubber covered wheel 35 made of polyurethane is fixed on the wheel box 28 through the shaft 33, the bearing 29, the round nut 30, the end cover 31, the expansion sleeve 34 and the like, the bearing shaft 27 is fixed on the wheel box 28 through bolts, the bearing 25 is nested on the fixing plate 24, the matching cover plate 26 is fixed on the bearing shaft 27, and the fixing plate 24 is fixed on the frame 6 through bolts.

The driving motor 36 starts to rotate after being controlled by the control cabinet 22 through the electricity taking device 19, so that the shuttle car 1 travels on the annular aluminum alloy track 2. During turning, the rubber-covered wheels 35 rotate along the bending direction of the annular aluminum alloy track 2 under the action of the side guide wheels 17 in combination with the rotation of the bearings 25, so that the turning movement of the shuttle car 1 is realized.

In fig. 5, the front driven wheel 18 is composed of a slide rail fixing plate 37, a slide rail slider mechanism 38, a stopper 39, a slider fixing plate 40, an end cover 41, a bearing 42, a cover plate 43, a bearing shaft 44, a wheel box 45, a rubber-covered wheel 46, a bearing 47, a shaft 48, a shaft sleeve 49, a pressing plate 50, and the like. The rubber covered wheel 46 made of polyurethane is fixed on a wheel box 45 through a bearing 47, a shaft 48, a shaft sleeve 49 and a pressing plate 50, the bearing shaft 44 is fixed on the wheel box 45 through bolts, the bearing 41 is nested in a sliding block fixing plate 40 and is fixed on the bearing shaft 44 through an end cover 41 and a cover plate 43, a sliding block in a sliding rail sliding block mechanism 38 is fixed on the sliding block fixing plate 40 through bolts, a sliding rail is fixed on a sliding rail fixing plate 37 through bolts, and the sliding rail fixing plate 37 is fixed on a frame 6 of the shuttle 1 through bolts.

When the shuttle car 1 starts to walk, the rubber coating wheel 46 can start to rotate along with the shuttle car 1, when the shuttle car turns, a lateral thrust generated on the rubber coating wheel 46 after the side guide wheel 17 contacts the track can enable the rubber coating wheel 46 to start to rotate along the bending direction of the annular aluminum alloy track 2, and a sliding block in the sliding rail sliding block mechanism 38 is pushed to start to slide along the sliding rail, so that the distance between the rear driven wheel 13 and the front driven wheel 18 and between the rear driving wheel 11 and the front driving wheel 14 is increased, the change of the distance between the inner track and the outer track during turning is adapted, and the shuttle car can smoothly turn a curve.

In fig. 6, the side guide 17 is composed of an eccentric shaft 51, the side guide 17, a bushing 53, a bracket 54, an adjusting plate 55, a nut 56, a fixing screw 57, and the like. The side guide 17 is fixed to the bracket 54 by an eccentric shaft 51, a sleeve 53, an adjusting plate 55, and a nut 56. The brackets 54 are fixed to both sides of the wheel box 28 of the driving wheel and the wheel box 45 of the driven wheel by bolts. Besides the shaft hole, the bracket 54 also has a plurality of screw holes uniformly distributed around the shaft hole at the center of the shaft hole. When the eccentric shaft 51 is fixed through the shaft hole of the adjusting plate 55, the adjusting plate 55 is rotated to align the circular hole of the adjusting plate 55 with the threaded hole of the bracket 54, and then the adjusting plate 55 is fixed to the bracket 54 by the fixing screw 57. When the distance between the guide wheels 17 at the two sides needs to be adjusted, the fixing screws 57 are loosened, the adjusting plate 55 is rotated to align the round holes on the adjusting plate with other screw holes on the bracket 54, and then the fixing screws 57 are tightened to achieve the effect of adjusting the distance, wherein the adjustable distance is the eccentric amount of the eccentric shaft 51.

In fig. 7, the left side of the rail section has three irregular grooves, the right side has two irregular grooves and a large rectangular groove, and the bottom also has an irregular groove. The grooves are used for mounting accessories on the track.

In fig. 8 and 9, the rail is composed of an outer aluminum alloy rail 58 (annular outer rail), a connecting plate 59, a wale 60, an inner aluminum alloy rail 61 (annular inner rail), a connecting bar 62, a bar code 63, a foot 64, a trolley wire 65, and the like.

At the splicing position of two aluminum alloy rails, the connecting plate 59 and the connecting strip 62 are used for realizing the splicing of the rails through nut blocks and screws in the irregular notches at the left side and the right side of the aluminum alloy rails. The bar code 63 is adhered to the rectangular large groove of the inner aluminum alloy rail 61. The trolley line 65 is fixed at the irregular groove of the outer aluminum alloy rail 58 through a nut block and a screw. Meanwhile, the cross brace 60 is fixed at the irregular grooves of the inner aluminum alloy rail 61 and the outer aluminum alloy rail 58 through nut blocks and screws to control the distance between the inner rail and the outer rail and prevent the deformation of the rails.

The anchor 64 is composed of a pressing plate 66, a supporting plate 67, a nut 68, a screw rod plate 69 and a chemical bolt 70. The anchor 64 is fixed to the ground by chemical bolts 70, and the stay plate 67 is fixed to a screw plate 69 by nuts 68. The pressing plate 66 is inserted into the irregular groove at the bottom of the aluminum alloy track, the aluminum alloy track is placed on the supporting plate 67, the screw is screwed, and the pressing plate 66 can press the aluminum alloy track on the supporting plate 67. At this time, the height of the aluminum alloy rail is adjusted by adjusting the height of the nut 68 on the screw plate 69. In this way, the upper surfaces of all the aluminum alloy rails on the ground feet 64 are maintained on a horizontal plane, ensuring smooth operation of the shuttle car 1.

Adopt the advantage of above-mentioned structure to lie in: when the vehicle body turns, the driven wheel is combined to assemble the sliding rail and sliding block mechanism 38, and under the assistance of the side guide wheel 17, the wheel distance between the driving wheel and the driven wheel can be changed so as to adapt to the change of the distance between the inner track and the outer track during turning, thereby smoothly turning a curve. The four polyurethane rubber-coated wheels are all arranged on the rail, so that the running speed of the shuttle car 1 is improved, and the noise is greatly reduced when the polyurethane wheels run on the aluminum alloy rail. The side guide wheels 17 that the wheel case both sides were equipped with, accessible eccentric shaft 51 structure realizes that the interval can be adjusted between the track both sides guide wheel 17, adapts to the error on the track width, and the effectual range of rocking when having reduced the automobile body walking has improved the stability of automobile body operation. The shuttle car 1 can travel around the annular track to transport goods, so that the goods are transported in multiple directions, and the transportation efficiency is improved. The front and the rear of the shuttle car 1 are provided with the polyurethane anti-collision blocks and are provided with the safety radar, so that the distance between the front car and the rear car can be effectively detected under the condition of one ring of multiple cars, the polyurethane anti-collision blocks can also reduce collision even if the cars are collided, and the safety is improved. The shuttle car 1 adopts a bar code positioning mode, and the positioning accuracy is improved. The shuttle car 1 is provided with an operation box and a receiver 10 at the front and the back, can be operated remotely through a remote controller, can be operated by a button box close to the car body, and improves the operability. The height position of the nut of the screw rod plate 69 is adjusted on the ground foot 64 for the track, so that the height of the supporting plate 67 is adjusted, and the height of the aluminum alloy track is equal to the height of the aluminum alloy track because the aluminum alloy track is pressed on the supporting plate 67. The height can be adjusted to keep the upper surface of the aluminum alloy track on a horizontal plane, and the stable operation of the shuttle car 1 is ensured.

The utility model provides a track conveying system can turn in parallel is provided with driving wheel group and driven wheelset on shuttle 1, and driving wheel group is used for providing drive power so that shuttle 1 walks on the annular double track way, and driven wheelset then sets up on frame 6 through sliding assembly slidable ground to, the slip direction of driven wheelset is parallel with the rotation vector from the driving wheel. In the process of driving the shuttle car 1 on the annular double-rail, if the shuttle car runs to a turning part, because the distance between the inner rail and the outer rail is increased, a lateral acting force is applied to the driven wheel set by the rail contacted with the driven wheel set, and the driven wheel set can slide on the shuttle car 1 after receiving the acting force (the driven wheel set is slidably arranged on the frame 6 through the sliding component), so that the distance between the driven wheel set and the driving wheel set is changed, and the change of the distance between the inner rail and the outer rail is adapted. Through the structure design, the utility model provides an among the parallel track conveying system that can turn, driven wheelset all goes on the track with the initiative wheelset, and its operating stability has obtained the improvement, and on the shuttle 1 was installed through the subassembly that slides to driven wheelset, adaptability adjustment can be carried out when the turn for shuttle 1 steadily passed the double track section of turning.

It should be noted that, based on the above-mentioned specific embodiments, the present invention may also adopt the following alternatives: 1. the four-wheel support can be changed into a three-wheel support; 2. two side guide wheels 17 (four side guide wheels in total) are respectively arranged on two sides of one wheel box, and two side guide wheels can be arranged on one side and one side can be arranged on one side, and three side guide wheel structures are arranged on the other side. 3. The side guide wheels 17 can be adjusted by arranging long slotted holes and jackscrews on the bracket 54 instead of adjusting the wheel distance between the two side guide wheels 17 by using the eccentric shafts 51 and the adjusting plates 55. 4. The aluminum alloy rails can be replaced by steel tube rails. 5. The power supply mode of the trolley line 65 can be replaced by a non-contact power supply mode. 6. The positioning of the shuttle 1 can be replaced by scanning the addressing foil positioning with slot-shaped photo-electricity. 7. The chain conveying can be replaced by roller conveying or plate chain conveying.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. A parallel steerable rail transport system characterized by: comprises an annular double track and a shuttle vehicle, the annular double track comprises an annular outer track and an annular inner track which are arranged in parallel,

the shuttle vehicle arranged on the annular double track comprises a vehicle frame, and a driving wheel set and a driven wheel set are arranged at the bottom of the vehicle frame; along the advancing direction of the shuttle vehicle, the two driving wheel sets are arranged on one side of the frame, and the two driven wheel sets are arranged on the other side of the frame through a sliding component; the driving wheel set comprises a driving wheel which is in rolling contact with the annular outer rail or the annular inner rail, the driving motor is used for driving the driving wheel to rotate, the driven wheel set comprises a driven wheel which is in rolling contact with the annular inner rail or the annular outer rail; and side guide wheels are arranged below the driving wheel and the driven wheel and are clamped into the annular outer rail and the annular inner rail.

2. The parallel turnable rail transport system as set forth in claim 1, wherein: the driving wheels comprise a front driving wheel and a rear driving wheel, the driving motor comprises a front motor and a rear motor, the front motor is used for driving the front driving wheel to move, and the rear motor is used for driving the rear driving wheel to move; the driven wheel comprises a front driven wheel and a rear driven wheel, the front driven wheel is arranged corresponding to the front driving wheel, and the rear driven wheel is arranged corresponding to the rear driving wheel.

3. The parallel steerable rail transport system of claim 2, wherein: the front driving wheel and the rear driving wheel are identical in structure, the front driving wheel comprises a fixing plate, a bearing shaft, a wheel box, a shaft and a rubber covered wheel, the driving motor is fixed on the wheel box, the rubber covered wheel and the shaft are mounted on the wheel box through a bearing sleeve, and an output shaft of the driving motor is in coaxial transmission connection with the shaft; the bearing shaft is fixed to the top of the wheel box through bolts, the bearing is nested on the fixing plate, the top end of the bearing shaft is assembled in the bearing on the fixing plate, and the fixing plate is fixed to the frame through bolts.

4. The parallel steerable rail transport system of claim 2, wherein: the front driven wheel and the rear driven wheel are identical in structure, the front driven wheel comprises a slide rail fixing plate, a slide rail sliding block mechanism, a sliding block fixing plate, a bearing shaft, a wheel box and a rubber coating wheel, the rubber coating wheel is mounted on the wheel box through a bearing sleeve and a shaft, the bearing shaft is fixed to the top of the wheel box through a bolt, a bearing is nested on the sliding block fixing plate, and the top end of the bearing shaft is assembled in the bearing on the sliding block fixing plate; the sliding rail and sliding block mechanism comprises a sliding rail and a sliding block which are in sliding fit, the sliding block is fixed on the sliding block fixing plate through a bolt, the sliding rail is fixed on the sliding rail fixing plate through a bolt, and the sliding rail fixing plate is fixed on the frame through a bolt.

5. The parallel turnable rail transport system as set forth in claim 1, wherein: the side guide wheels comprise eccentric shafts, supports and adjusting plates, the side guide wheels are installed on the supports through the eccentric shafts and shaft sleeves, and the supports are fixed on two sides of a wheel box of the driving wheel and the driven wheel through bolts; the eccentric shaft is characterized in that a plurality of wire holes are uniformly distributed around the shaft hole for assembling the eccentric shaft on the support, the adjusting plate is provided with a shaft hole and a round hole, the top end of the eccentric shaft penetrates through the support and then is positioned in the shaft hole on the adjusting plate, and the round hole on the adjusting plate is connected with any one of the wire holes through a bolt.

6. The parallel turnable rail transport system as set forth in claim 1, wherein: the shuttle vehicle further comprises a control center, the control center comprises a control cabinet and a distance measuring device, the control cabinet is used for being connected with the driving motor in a control mode, the distance measuring device is used for detecting front and rear obstacles of the shuttle vehicle, and the distance measuring device is in signal connection with the control cabinet.

7. The parallel turnable rail transport system as set forth in claim 6, wherein: the distance measuring device adopts a radar device or an infrared distance measuring device; along the traveling direction of the shuttle car, the front end and the rear end of the frame are both provided with anti-collision blocks.

8. The parallel turnable rail transport system as set forth in claim 1, wherein: the annular double rails further comprise connecting plates, cross braces and ground feet, the annular inner rails and the annular outer rails are formed by splicing a plurality of sections of arc-shaped rails through connecting strips, the connecting plates are mounted on one adjacent sides of the annular inner rails and the annular outer rails, and two ends of each cross brace are fixed with the connecting plates on two sides; the bottom of the annular inner rail and the bottom of the annular outer rail are both provided with the ground feet.

9. The parallel turnable rail transport system as set forth in claim 8, wherein: the anchor comprises a pressing plate, a supporting plate, nuts, a screw rod plate and chemical bolts, wherein the supporting plate is fixed on the screw rod plate through two groups of symmetrically arranged nuts, the annular inner rail or the annular outer rail is placed on the supporting plate, the pressing plate is arranged in the middle of the supporting plate, and the pressing plate is inserted into a groove in the bottom of the annular inner rail or the annular outer rail; the chemical bolts are symmetrically arranged on two sides of the bottom of the screw rod plate, and the bottom ends of the chemical bolts are fixed on the ground.

Images