CN209905737U - Ultralow platform formula assembly conveying system - Google Patents

Abstract

The utility model discloses an ultralow platform formula assembly conveying system, which comprises a track, drive arrangement, dolly group and bearing trolley, dolly group is including bearing car and leading car, bear the car including bearing the automobile body, its both sides are equipped with the carrier wheel, the bottom is equipped with the head rod, the head rod is articulated with the both ends of drive connecting rod respectively when connecting between the carrier car, the leading car sets up in the both ends of dolly group, the leading car is including leading the automobile body, its both sides are equipped with the leading wheel, the bottom is equipped with the second connecting rod, the second connecting rod is used for articulating with the drive connecting rod, the track is equipped with the recess that holds dolly group, carrier wheel and leading wheel and the cooperation of the both sides inner wall of recess, drive arrangement is fixed in the track, drive the dolly group through the friction pulley cooperation drive connecting rod, the bearing trolley is connected with the top that bears the automobile body, the bearing trolley is driven by dolly group. The system realizes the ultra-low type conveying with the weight of the bearing trolley of more than 400kg and the track height of only 250 mm.

Description

Ultralow platform formula assembly conveying system

Technical Field

The utility model relates to an assembly conveying system especially relates to an ultralow platform formula assembly conveying system.

Background

The assembly conveying system widely existing in the automatic production line of the automobile is an indispensable part of the automatic line. The device mainly comprises a track, a driving device, a primary trolley, a secondary trolley, a bearing trolley, a car pusher and the like. The assembly conveying system is a conveying device which is used for separating workpieces from a main line body and is preassembled outside the line body. The existing trolley and driving device structure can not meet the requirement of being used on a rail with the height of 250mm when the weight of the bearing trolley reaches more than 400 kg.

SUMMERY OF THE UTILITY MODEL

To the defect of above-mentioned prior art, the utility model provides an ultralow platform formula assembly conveying system to realize bearing platform truck weight and reach more than 400kg, the track height only is 250 mm's ultralow type transport.

The utility model discloses technical scheme as follows: an ultra-low platform type assembly conveying system comprises a track, a driving device, a trolley group and a bearing trolley, wherein the trolley group comprises a plurality of bearing vehicles and a plurality of guide vehicles, each bearing vehicle comprises a bearing vehicle body, bearing wheels are arranged on two sides of each bearing vehicle body, a first connecting rod is arranged at the bottom of each bearing vehicle body, the first connecting rods of different bearing vehicles are respectively hinged with two ends of each driving connecting rod when each bearing vehicle is connected with each bearing vehicle, the guide vehicles are arranged at two ends of the trolley group, each guide vehicle comprises a guide vehicle body, guide wheels are arranged on two sides of each guide vehicle body, a second connecting rod is arranged at the bottom of each guide vehicle body, the first connecting rods of the bearing vehicles and the second connecting rods of the guide vehicles are respectively hinged with two ends of each driving connecting rod when each bearing vehicle is connected with each guide vehicle, the track is provided with a groove for accommodating the trolley group, and the bearing wheels and the guide wheels are matched with inner walls of two sides, the driving device is fixed on the track, the driving device comprises a friction wheel which is matched with the driving connecting rod and used for driving the trolley group, the bearing trolley is connected with the top of the bearing trolley body, and the bearing trolley is driven by the trolley group to move.

Further, in order to prevent that the small and micro parts on the conveying line from falling into the groove of the track and causing the clamping and retaining of the trolley, the track top is fixed with a track cover plate, the track cover plate is provided with a gap, the bearing vehicle is provided with a bearing connecting block, the bearing connecting block is arranged above the track cover plate, the bearing connecting block passes through an elastic steel plate passing through the gap and is connected with the bearing vehicle body, and the bearing trolley is connected with the bearing connecting block.

Further, the bearing connecting block is provided with a first pin hole, the bearing trolley is provided with a second pin hole, and the bearing trolley is connected with the bearing connecting block through a pin penetrating through the first pin hole and the second pin hole.

Furthermore, drive arrangement includes integral erection support, driving support and auxiliary wheel support, driving support and integral erection support are articulated through the first axle, driving support is articulated through the head end of secondary shaft and spring, the tail end of spring with integral erection leg joint, the distance of the drive connecting rod of primary shaft and dolly group is less than the distance of the drive connecting rod of secondary shaft and dolly group, install friction pulley and drive on the driving support the motor of friction pulley, the friction pulley compresses tightly in the first side of drive connecting rod, auxiliary wheel support and integral erection support fixed connection, install the auxiliary wheel on the auxiliary wheel support, the auxiliary wheel pastes in the second side of drive connecting rod.

Further, for the interconnect between the convenient different trolley groups to prevent the unhook between the trolley group, be located the guide car at trolley group both ends is equipped with couple and drag hook respectively, the couple is the crescent of both ends downwarping, the one end of couple is articulated with the guide car, the other end of couple be used for with the drag hook cooperation, different trolley groups are connected through couple and drag hook cooperation.

Furthermore, the bottom surface of the bearing trolley is provided with a plurality of universal wheels.

The utility model provides a technical scheme's advantage lies in: the bearing wheels of the bearing vehicle and the guide vehicle in the conventional trolley group and the guide wheels are arranged below the trolley body, so that the height of the whole trolley group cannot be reduced. The ultra-low platform type assembly conveying system can meet the requirement of ultra-low type conveying with the weight of a bearing trolley reaching more than 400kg and the height of a track being only 250 mm.

Drawings

Fig. 1 is a schematic structural diagram of a cross section of a track.

Fig. 2 is a schematic structural diagram of the trolley set.

Fig. 3 is a schematic structural view of the carrier vehicle.

Fig. 4 is a schematic view of the guiding vehicle and the structure of the hook and the drag hook.

Fig. 5 is a schematic structural diagram of the driving device.

Fig. 6 is a schematic structural view of the carrying trolley.

Detailed Description

The present invention will be further described with reference to the following examples, which should not be construed as limiting the invention.

Referring to fig. 1 to 6, the ultra-low platform type assembly and conveying system according to the present embodiment is mainly used for a conveying device for pre-assembling a workpiece off a main line body outside the line body in an automobile production line operation. The ultra-low platform type assembly conveying system mainly comprises a track 1, a driving device, a trolley set and a bearing trolley 2. The trolley group comprises a plurality of bearing vehicles 3 and a plurality of guide vehicles 4, and the bearing vehicles 3 and the guide vehicles 4 are connected with each other through driving connecting rods 5.

Specifically, the bearing vehicle 3 comprises a bearing vehicle body 6, bearing wheels 7 are arranged on two sides of the bearing vehicle body 6, and a first connecting rod 8 is arranged at the bottom of the bearing vehicle body 6. When the bearing vehicles 3 are connected with the bearing vehicles 3, the first connecting rods 8 of different bearing vehicles 3 are respectively hinged with the two ends of the driving connecting rod 5. The guide vehicles 4 are arranged at two ends of the trolley group, each guide vehicle 4 comprises a guide vehicle body 9, guide wheels 10 are arranged on two sides of each guide vehicle body 9, and a second connecting rod 11 is arranged at the bottom of each guide vehicle body 9. When the bearing vehicle 3 is connected with the guide vehicle 4, the first connecting rod 8 of the bearing vehicle 3 and the second connecting rod 11 of the guide vehicle 4 are respectively hinged with two ends of the driving connecting rod 5. The rail 1 is provided with a groove 12 for accommodating a trolley set, and the bearing wheels 7 and the guide wheels 10 are matched with the inner walls of two sides of the groove 12. A rail cover plate 13 is fixed on the top of the rail 1 and used for shielding the groove 12, and the rail cover plate 13 is provided with a gap 14. The bearing vehicle 3 is provided with a bearing connecting block 15, the bearing connecting block 15 is arranged above the track cover plate 13, and the bearing connecting block 15 is fixedly connected with the bearing vehicle body 6 through an elastic steel plate 16 penetrating through the gap 14. The bearing connecting block 15 is provided with a first pin hole 17, the bearing trolley 2 is provided with a second pin hole 18, and the bearing trolley 2 is connected with the bearing connecting block 15 through a pin penetrating through the first pin hole 17 and the second pin hole 18. The underside of the carriage 2 is provided with a plurality of universal wheels 19 which run on the track cover 13. In order to facilitate connection between different trolley groups, the guide trolleys 4 at the two ends of the trolley group are respectively provided with a hook 20 and a drag hook 21, the hook 20 is in a crescent shape with the two ends bent downwards, one end of the hook 20 is hinged with the guide trolleys 4, the other end of the hook 20 is used for being matched with the drag hook 21, and different trolley groups are connected with the drag hook through the hook in a matched manner.

The drive unit is fixed to the track 1 and comprises an integral mounting bracket 22, a drive bracket 23 and an auxiliary wheel bracket 24. The driving bracket 23 is hinged with the rear end of the integral mounting bracket 22 through a first shaft 25, and a spring 26 is connected between the driving bracket 23 and the rear end of the integral mounting bracket 22. The head end of the spring 26 is hinged with the driving bracket 23 through a second shaft 27, the tail end of the spring 26 is provided with a mounting baffle 28, and the mounting baffle 28 is detachably connected with the integral mounting bracket 22 through a bolt. The first shaft 25 and the second shaft 27 are both longitudinal shafts, and the distance between the first shaft 25 and the driving connecting rod 5 is smaller than the distance between the second shaft 27 and the driving connecting rod 5, so that the spring 26 pushes the driving bracket 23 to rotate around the first shaft 25 and to approach the driving connecting rod 5 when extending. The driving bracket 23 is provided with a friction wheel 29 and a motor 30 for driving the friction wheel 29, a motor transmission gear 31 is in transmission with a friction wheel gear 33 through an intermediate gear 32, and the friction wheel gear 33 and the friction wheel 29 rotate synchronously. The intermediate gear 32 is a thick gear, and the motor transmission gear 31 and the friction wheel gear 33 are arranged up and down in a staggered mode. Under the action of the spring 26, the friction wheel 29 is pressed against the first side of the drive connecting rod 5. The auxiliary wheel bracket 24 is fixedly connected with the integral mounting bracket 22, an auxiliary wheel 34 is mounted on the auxiliary wheel bracket 24, and the auxiliary wheel 34 is attached to the second side surface of the driving connecting rod 5, so that the friction wheel 29 and the auxiliary wheel 34 are arranged on the two opposite sides of the driving connecting rod 5.

When the friction wheel 29 of the driving device rotates, the trolley set moves along the direction of the track 1 by generating friction force on two sides of the driving connecting rod 5, and the bearing trolley 3 in the trolley set drives the bearing trolley 2 to move on the surface of the track cover plate 13 through the pin, so that the conveying is completed.

Claims (6)

1. An ultra-low platform type assembly conveying system comprises a track, a driving device, a trolley group and a bearing trolley, and is characterized in that the trolley group comprises a plurality of bearing vehicles and a plurality of guide vehicles, each bearing vehicle comprises a bearing vehicle body, bearing wheels are arranged on two sides of each bearing vehicle body, a first connecting rod is arranged at the bottom of each bearing vehicle body, the first connecting rods of different bearing vehicles are respectively hinged with two ends of each driving connecting rod when the bearing vehicles are connected with the bearing vehicles, the guide vehicles are arranged at two ends of the trolley group, each guide vehicle comprises a guide vehicle body, the guide wheels are arranged on two sides of each guide vehicle body, a second connecting rod is arranged at the bottom of each guide vehicle body, the first connecting rods of the bearing vehicles and the second connecting rods of the guide vehicles are respectively hinged with two ends of the driving connecting rods when the bearing vehicles are connected with the guide vehicles, the track is provided with a groove for accommodating the trolley group, bear wheel and leading wheel with the both sides inner wall cooperation of recess, drive arrangement is fixed in the track, drive arrangement include with the drive connecting rod matches the friction wheel that is used for driving the dolly group, bear the platform truck with bear the top of automobile body and be connected, bear the platform truck by the motion is driven to the dolly group.

2. The ultra-low platform assembly conveying system of claim 1, wherein a track cover plate is fixed on the top of the track, the track cover plate is provided with a gap, the bearing vehicle is provided with a bearing connecting block, the bearing connecting block is arranged above the track cover plate, the bearing connecting block is connected with the bearing vehicle body through an elastic steel plate penetrating through the gap, and the bearing trolley is connected with the bearing connecting block.

3. The ultra-low platform assembly conveying system of claim 2, wherein the bearing connecting block is provided with a first pin hole, the bearing trolley is provided with a second pin hole, and the bearing trolley and the bearing connecting block are connected by a pin penetrating through the first pin hole and the second pin hole.

4. The ultra-low platform type assembly conveying system according to claim 1, wherein the driving device comprises an integral mounting support, a driving support and an auxiliary wheel support, the driving support is hinged to the integral mounting support through a first shaft, the driving support is hinged to a head end of a spring through a second shaft, a tail end of the spring is connected with the integral mounting support, the distance between the first shaft and a driving connecting rod of the trolley group is smaller than the distance between the second shaft and the driving connecting rod of the trolley group, a friction wheel and a motor for driving the friction wheel are mounted on the driving support, the friction wheel is tightly pressed on a first side face of the driving connecting rod, the auxiliary wheel support is fixedly connected with the integral mounting support, an auxiliary wheel is mounted on the auxiliary wheel support, and the auxiliary wheel is attached to a second side face of the driving connecting rod.

5. The ultralow platform type assembly conveying system according to claim 1, wherein the guide vehicles at the two ends of the trolley group are respectively provided with a hook and a drag hook, the hook is in a crescent shape with two ends bent downwards, one end of the hook is hinged with the guide vehicle, the other end of the hook is used for being matched with the drag hook, and different trolley groups are matched and connected with the drag hook through the hook.

6. The ultra-low platform assembly conveyor system of claim 1, wherein the bottom surface of the load-bearing trolley is provided with a plurality of universal wheels.

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