Power and free type suspension conveying system based on cross chain wide push rod

Abstract

The utility model discloses a power and free suspension conveying system based on a cross chain width push rod, which comprises a traction track and a bearing track which are arranged on a system support, a cross traction chain is arranged in the traction track, a conveying assembly is arranged in the bearing track, and the cross traction chain is connected with the conveying assembly. A plurality of wide push rods used for driving the conveying assembly are arranged on the cross-shaped traction chain. A material box is arranged on the conveying assembly; and a driving assembly used for driving the cross-shaped traction chain and a tensioning assembly used for tensioning the cross-shaped traction chain are arranged on the traction track, the driving assembly drives the cross-shaped traction chain to run along the traction track, and the conveying assembly is pushed to run along the bearing track through the wide push rod to drive the material box to conduct conveying operation. The system is stable and reliable in operation, low in operation noise, high in driving capacity and small in occupied space, station arrangement of the conveying system is not affected, the arrangement space of the whole day is reduced, and the overall manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of accumulation and placement type suspension conveyor, and particularly relates to a cross chain wide push rod accumulation and placement type suspension conveying system. BACKGROUND

[0002] The accumulation and placement type suspension conveyor can be widely applied to long-distance conveying, aerial storage, feeding and other processes of workpieces and automatic coating production lines, and has the advantages of freely selecting a conveying line, effectively utilizing space, saving manpower and improving work efficiency. The accumulation and placement type suspension conveyor is composed of upper and lower two layers of tracks, and includes a traction track and a bearing track. The traction track supports a traction chain, and a push rod is installed on the traction chain at every certain distance. The push rod pushes a track trolley to run, and the track trolley runs on the bearing track. The existing track trolley usually adopts a narrow push rod. Such a structure has the following disadvantages: the track trolley is easy to be lost during running, accidents are prone to occur, the chain tension cannot be effectively controlled, the production rhythm is often delayed, and the service life is short. The invention with the publication number CN 102785910 B discloses a conveying trolley group of an accumulation and placement type suspension conveying line with a pair of compensating wheels. The conveying trolley group includes a front trolley, a rear trolley and a bearing beam. The bearing beam connects the front trolley and the rear trolley to form the conveying trolley group. The front trolley and the rear trolley each have two pairs of bearing wheels at the front and the rear. The conveying line is provided with a driving device. Each of the front trolley and the rear trolley is provided with a pair of compensating wheels. The compensating wheels are located between the front bearing wheels and the rear bearing wheels. The tread surfaces of the compensating wheels and the bearing wheels are located on the same horizontal plane. The design is ingenious, and the cross-shaped track is used together to reduce the power of the line driving motor and the cost. However, the overall running noise of the structure is large, the front trolley and the rear trolley adopt different structural forms, the universality is poor, and the manufacturing and maintenance costs are increased. The invention with the publication number CN 116692379 A discloses an accumulation and placement type suspension conveying line. The line includes a bearing frame, a walking track and a suspension track which are connected to the bearing frame through a support bracket assembly. A walking trolley group is arranged on the walking track, and a suspension trolley assembly is arranged on the suspension track. The walking trolley group can be hooked and connected to the suspension trolley assembly. The walking trolley group is connected to a transmission rope which is driven by a driving mechanism arranged on the bearing frame. The line is convenient to arrange and use, and is suitable for hoisting light components. However, the driving device is large, the setting space of the work station is reduced, and the overall arrangement space is increased. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a cross chain wide push rod accumulation and placement type suspension conveying system. The system is stable and reliable in operation, has small running noise, has strong driving capacity, occupies small space, does not affect the work station arrangement of the conveying system, reduces the overall arrangement space, and reduces the overall manufacturing cost.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions.

[0005] A cross-chain wide push rod accumulation type suspension conveying system, comprising a traction track and a bearing track arranged on a system support, a cross-shaped traction chain arranged in the traction track, a conveying assembly arranged in the bearing track, and a plurality of wide push rods arranged on the cross-shaped traction chain for driving the conveying assembly; a material box is arranged on the conveying assembly; a driving assembly for driving the cross-shaped traction chain and a tensioning assembly for tensioning the cross-shaped traction chain are arranged on the traction track, the driving assembly drives the cross-shaped traction chain to run along the traction track, the wide push rod pushes the conveying assembly to run along the bearing track, and the material box is conveyed.

[0006] Preferably, the cross-shaped traction chain comprises a plurality of chain link monomers arranged at intervals through a connecting plate, the chain link monomer comprises two chain link blocks, a horizontal shaft and a vertical shaft arranged vertically on the chain link block, and a chain plate arranged on the outer side of the two chain link blocks and passing through the two horizontal shafts, and the two ends of the connecting plate are connected to the vertical shaft.

[0007] Preferably, the traction track and the bearing track are fixedly connected through a plurality of support frames, and the cross section of the traction track is in a cross shape.

[0008] Preferably, the conveying assembly comprises a front trolley, a rear trolley, and a hanging piece mounted on the front trolley and the rear trolley, a lever is hingedly mounted on the bottom of the front trolley, a connecting piece is slidingly mounted on the front trolley, the bottom of the connecting piece is hingedly connected to one end of the lever, and a shovel plate is detachably mounted on the rear trolley.

[0009] Preferably, a plurality of connecting holes are arranged on the bottom of the trolley support, the shovel plate is fixedly connected to the connecting holes through fasteners, and the lever is hingedly mounted on the connecting holes through a pin.

[0010] Preferably, a U-shaped counterweight is arranged on the overhanging end of the lever, and a roller shaft is rotatably mounted on the U-shaped counterweight, when the lever contacts the previous shovel plate, the roller shaft rolls on the shovel plate, so that the connecting piece descends and separates from the wide push rod.

[0011] Preferably, the material box is connected to the hanging piece through an adapter plate.

[0012] Preferably, the driving assembly comprises a base support frame fixedly installed on the traction track, a driving chain assembly rotatably arranged on the base support frame, a torsion support arranged on the driving chain assembly, a driving motor fixedly installed on the torsion support, a transmission chain assembly connected with the output end of the driving motor, and a torsion device connecting the torsion support and the base support frame, one end of the transmission chain assembly being connected with the driving chain assembly in power; an H-shaped driving member is installed on the driving chain assembly for driving the cross-shaped traction chain.

[0013] Preferably, a limiting piece is arranged on the torsion support, and a limiting switch is arranged on the base support frame, one end of the limiting switch being in contact with the limiting piece.

[0014] Preferably, the tensioning assembly comprises a tensioning fixing seat fixedly installed on the system support frame, a tensioning sliding piece slidingly installed on the tensioning fixing seat, and a tensioning counterweight hoisted on the tensioning fixing seat through a pulley and a rope, one end of the rope being fixedly connected with the tensioning sliding piece, and the tensioning sliding piece being fixedly connected with the arc-shaped part of the traction track.

[0015] In the utility model, the cross-shaped traction chain runs on the cross-shaped traction track, the gap between the two is small, the running stability is good, and the noise generated by the vehicle during running is small. The load track is arranged in a ring shape, and a work station can be arranged at any position on the load track. The tensioning end of the traction track and the part where the driving assembly is installed are arranged on the inner side of the ring-shaped load track, and do not affect the arrangement of the work station. The front trolley and the rear trolley are of the same structure, are convenient to disassemble and assemble, are convenient to maintain and replace, and reduce the cost. The cross-shaped traction chain can rotate along two axes, can be used for climbing and large-angle turning, has a small turning radius, and occupies a small space. The shovel plate and the lever are connected through the roller, and the noise generated by friction when the two contact is reduced. The H-shaped driving member provides two driving points, can simultaneously apply driving force to the two sides of the cross-shaped traction chain, and has good overall stability. The torsion device is used for stably installing the driving motor, and when the device cannot run due to large stress, a signal is sent through the torsion device and the limiting switch, the running is stopped, an alarm device is used for sending an alarm, and an operator performs corresponding weight reduction and maintenance work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model system;

[0017] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the conveying assembly structure of the utility model;

[0019] Figure 4 It is the left view schematic view of the conveying assembly of the utility model;

[0020] Figure 5 It is the front trolley profile schematic view of the utility model;

[0021] Figure 6 It is the cross type traction chain structure schematic view of the utility model;

[0022] Figure 7 It is the driving assembly structure schematic view of the utility model;

[0023] Figure 8 It is the driving assembly local structure schematic view of the utility model;

[0024] Figure 9 It is the H-shaped driving piece structure schematic view of the utility model;

[0025] In the drawing: 1, traction track; 2, bearing track; 3, cross type traction chain; 4, conveying assembly; 5, wide push rod; 6, support frame; 7, lever; 8, driving assembly; 9, tensioning assembly; 11, material box; 12, U-shaped counterweight; 13, roller; 14, connecting piece; 15, shovel plate; 30, connecting plate; 31, chain link single body; 40, front trolley; 41, rear trolley; 42, hanging connecting piece; 80, base support frame; 81, driving chain assembly; 82, torsion support; 83, driving motor; 84, transmission chain assembly; 85, torsion device; 86, H-shaped driving piece; 87, limiting piece; 88, limiting switch; 90, tensioning fixed seat; 91, tensioning sliding piece; 92, pulley; 93, rope; 94, tensioning counterweight; 310, chain link block; 311, horizontal shaft; 312, vertical shaft; 313, chain plate; 314, bearing; 400, trolley support; 401, rotating shaft; 402, roller; 420, adjusting support rod; 421, support plate; 810, first rotating shaft; 811, second rotating shaft; 812, first driving sprocket; 813, second driving sprocket; 814, driving chain. DETAILED DESCRIPTION

[0026] The utility model will be further explained in combination with the drawings:

[0027] As Figures 1 to 9The cross chain wide push rod accumulation type suspension conveying system comprises a traction track 1 and a bearing track 2 arranged on a system support, wherein the system support is not shown in the embodiment, the system support can be manufactured according to the installation space, and the system support can be made of a section steel and supports the traction track 1 and the bearing track 2. The traction track 1 and the bearing track 2 are fixedly connected through a plurality of support frames 6, and the support frames 6 are fixedly connected with the traction track 1 and the bearing track 2 through welding. The cross section of the traction track 1 is in a cross shape and is matched with the cross traction chain 3.

[0028] The cross traction chain 3 is arranged in the traction track 1 and runs in the traction track 1. The cross traction chain 3 comprises a plurality of chain link units 31 arranged at intervals and connected through a connecting plate 30, and the connecting plate 30 and the chain link unit 31 can rotate relative to each other. The chain link unit 31 comprises two chain link blocks 310 arranged at intervals, a horizontal shaft 311 and a vertical shaft 312 arranged vertically on the chain link blocks 310, and a chain plate 313 arranged on the outer sides of the two chain link blocks 310 and penetrating the two horizontal shafts 311. The two chain link blocks 310 can rotate relative to each other about the horizontal shaft 311 through the chain plate 313. The two ends of the connecting plate 30 are hingedly connected to the vertical shaft 312. Bearings 314 are fixedly arranged on the two ends of the horizontal shaft 311 and the vertical shaft 312. The bearings 314 roll in the traction track 1. The cross traction chain 3 can only move along the traction track 1 through the limitation of the four disc bearings 314. The bearings 314 are standard bearings, which reduces grease lubrication and avoids pollution of the transported workpieces by lubricating oil.

[0029] A plurality of wide push rods 5 for driving the conveying assembly 4 are arranged on the cross traction chain 3. Mounting holes are arranged on the connecting plate 30. The wide push rods 5 are connected to the mounting holes on the connecting plate 30 through fasteners. The wide push rods 5 are integrally made of cast steel, have a large meshing amount with the conveying assembly 4, and improve the stability of driving. The material box 11 is arranged on the conveying assembly 4 through fasteners.

[0030] The conveying assembly 4 is arranged in the bearing track 2 and runs along the bearing track 2 under the pushing of the wide push rod 5. When the wide push rod 5 is separated from the conveying assembly 4, the cross traction chain 3 runs alone. The conveying assembly 4 comprises a front trolley 40, a rear trolley 41, and a hanging piece 42 mounted on the front trolley 40 and the rear trolley 41. The hanging piece 42 is used for hanging the material box 11. The front trolley 40 and the rear trolley 41 are the same in structure and both comprise a trolley support 400, two rotating shafts 401 arranged at the front and rear ends of the trolley support 400, and rollers 402 fixedly mounted on the two ends of the rotating shafts 401. The rollers 402 roll in the bearing track 2.

[0031] A lever 7 is hingedly installed on the bottom of the front trolley 40, a connecting piece 14 is slidingly installed on the front trolley 40, the bottom of the connecting piece 14 is hingedly connected with one end of the lever 7, and a shovel plate 15 is detachably installed on the rear trolley 41. Specifically, a plurality of connecting holes are arranged on the bottom of the trolley support 400, and the shovel plate 15 is fixedly connected to the connecting holes of the rear trolley 41 by fasteners. The lever 7 is hingedly installed on the connecting holes of the front trolley 40 by a pin. A U-shaped counterweight 12 is fixedly arranged on the cantilevered end of the lever 7, and a roller shaft 13 is rotatably installed on the U-shaped counterweight 12 by a pin shaft. When the lever 7 contacts the previous shovel plate 15, the roller shaft 13 rolls on the shovel plate 15, the shovel plate 15 is inclined, the connecting piece 14 is lowered and separated from the wide push rod 5, the conveying assembly 4 does not follow the operation of the traction chain 3, and the transportation work is stopped. After the previous shovel plate 15 is separated from the next lever 7, the connecting piece 14 is raised upward under the action of the U-shaped counterweight 12, so that the connecting piece 14 contacts the next wide push rod 5, the conveying assembly 4 continues to follow the operation of the traction chain 3 to perform the transportation work, and the stacking work effect is realized. In a preferred embodiment, a sliding groove is arranged on the trolley support 400, the connecting piece 14 is slidingly installed in the sliding groove, and the width of the sliding groove is greater than the width of the lower end of the connecting piece 14, so as to adapt to the horizontal displacement amount generated during the swinging of the lever 7.

[0032] The hanging piece 42 includes two adjusting support rods 420 and support plates 421 fixedly installed on both sides of the adjusting support rods 420, the support plates 421 are used for hanging the material box 11, and the lengths of the adjusting support rods 420 can be selected according to the work requirements, thereby improving the adaptability of the device. Specifically, the material box 11 is connected to the support plates 421 through an adapter plate.

[0033] A driving assembly 8 for driving the cross-shaped traction chain 3 is arranged on the traction track 1,

[0034] The driving assembly 8 includes a base support frame 80 fixedly installed on the traction track 1, a driving chain assembly 81 rotatably arranged on the base support frame 80, a torsion support frame 82 arranged on the driving chain assembly 81, a driving motor 83 fixedly installed on the torsion support frame 82, a transmission chain assembly 84 power-connected to the output end of the driving motor 83, and a torsion device 85 connecting the torsion support frame 82 and the base support frame 80. One end of the transmission chain assembly 83 is power-connected to the driving chain assembly 81, the driving motor 83 is powered to rotate and drive the driving chain assembly 81 to operate through the transmission chain assembly 83. An H-shaped driving piece 86 for driving the cross-shaped traction chain 3 is fixedly installed on the driving chain assembly 81.

[0035] The base support frame 80 is composed of two channel steels arranged at intervals and two end plates fixed on the end portions of the two channel steels by welding, and a reverse U-shaped groove is arranged on the bottom of the end plate at a position corresponding to the interval between the two channel steels, and the driving chain 814 passes through the interval between the two channel steels. The traction chain 2 passes through the interval between the two channel steels and the reverse U-shaped groove. The two end plates are fixedly installed on the traction rail 1 by fasteners.

[0036] The driving chain assembly 81 includes a first rotating shaft 810 and a second rotating shaft 811 rotatably installed on the base support frame 80 by a bearing seat, a first driving sprocket 812 fixedly installed on the first rotating shaft 810 by a key, a second driving sprocket 813 fixedly installed on the second rotating shaft 811 by a key, and a driving chain 814 power-connected to the first driving sprocket 812 and the second driving sprocket 813. One end of the H-shaped driving member 86 serves as a chain plate for connecting chain links, and the other end is used to contact the corresponding position of the cross shaft 311 of the cross-shaped traction chain 3, so as to drive the cross-shaped traction chain 3 to operate.

[0037] A reducer is arranged on the output end of the driving motor 83, and one end of the transmission chain assembly 84 is power-connected to the output end of the reducer. Specifically, the transmission chain assembly 84 includes a first transmission sprocket fixedly installed on the output end of the reducer, a second transmission sprocket fixedly installed on the first rotating shaft 810, and a transmission chain power-connected to the first transmission sprocket and the second transmission sprocket.

[0038] A limiting piece 87 is fixedly arranged on the torsion support frame 82, and a limit switch 88 is fixedly arranged on the base support frame 80. When the one end of the limit switch 88 is separated from the limiting piece 87, the limit switch 88 sends a signal and simultaneously cuts off the power supply of the driving motor 83. The torsion device 85 includes a base fixedly installed on the base support frame 80, a sliding rod slidingly installed on the base, a connecting seat fixedly installed on the other end of the sliding rod, and a spring sleeved on the outer side of the sliding rod. The two ends of the spring are respectively abutted against the base and the connecting seat. The connecting seat is hingedly installed on the torsion support frame 82. When the output torque of the driving chain assembly 81 is greater than a preset value, the torsion support frame 82 rotates with the first rotating shaft 810, so that the one end of the limit switch 88 is separated from the limiting piece 87, and the operation is stopped. In another embodiment, a torsion limiter (a mature product purchased on the market) can be directly installed on the first rotating shaft 810 and / or the second rotating shaft 811. When the output torque is greater than a preset value, the torsion limiter sends a signal and cuts off the power supply of the driving motor 83. The limit switch 88 is selected from a travel switch.

[0039] The traction track 1 is provided with a tensioning assembly 9 for tensioning the cross-shaped traction chain 3, the driving assembly 8 drives the cross-shaped traction chain 3 to run along the traction track 1, the wide push rod 5 pushes the conveying assembly 4 to run along the bearing track 2, and the material box 11 is conveyed to carry out the conveying work. The tensioning assembly 9 comprises a tensioning fixing seat 90 fixedly installed on a system support or the traction track 1, a tensioning sliding piece 91 slidably installed on the tensioning fixing seat 90 through wheels or sliding blocks, and a tensioning counterweight 94 hoisted on the tensioning fixing seat 90 through a pulley 92 and a rope 93, one end of the rope 93 is fixedly connected to the tensioning sliding piece 91, the tensioning sliding piece 91 is fixedly connected to an arc-shaped portion of the traction track 1, the arc-shaped portion of the traction track 1 is not connected to the system support, and therefore the cross-shaped traction chain 3 can be tensioned through the tensioning counterweight 94. Of course, the cross-shaped traction chain 3 can also be tensioned through a hydraulic cylinder.

[0040] The above embodiments are only some descriptions of the concept and implementation of the present application, and are not intended to limit the present application. Under the concept of the present application, the technical solutions without substantial changes are still within the protection scope.

Claims

1. A cross-chain wide push rod accumulation type suspension conveying system comprising a traction track and a bearing track arranged on a system support, characterized in that: A cross-shaped traction chain is arranged in the traction track, a conveying assembly is arranged in the bearing track, a plurality of wide push rods for driving the conveying assembly are arranged on the cross-shaped traction chain; a material box is arranged on the conveying assembly; a driving assembly for driving the cross-shaped traction chain and a tensioning assembly for tensioning the cross-shaped traction chain are arranged on the traction track, the driving assembly drives the cross-shaped traction chain to run along the traction track, the wide push rods push the conveying assembly to run along the bearing track, and the material box is conveyed.

2. The cross-link wide push bar accumulation type suspension conveying system according to claim 1, characterized by: The cross-shaped traction chain comprises a plurality of chain link monomers arranged at intervals through connecting plates, the chain link monomers comprise two chain link blocks, horizontal shafts and vertical shafts arranged perpendicularly on the chain link blocks, and chain plates arranged on the outer sides of the two chain link blocks and passing through the two horizontal shafts, and the two ends of the connecting plates are connected to the vertical shafts.

3. The cross-link wide push bar accumulation type suspension conveying system according to claim 1 or 2, characterized by: The traction track and the bearing track are fixedly connected through a plurality of support frames, and the cross section of the traction track is in a cross shape.

4. The cross-link wide push bar accumulation type suspension conveying system according to claim 1, characterized by: The conveying assembly comprises a front trolley, a rear trolley, and a hanging piece mounted on the front trolley and the rear trolley, a lever is hingedly mounted on the bottom of the front trolley, a connecting piece is slidingly mounted on the front trolley, the bottom of the connecting piece is hingedly connected to one end of the lever, and a shovel plate is detachably mounted on the rear trolley.

5. The cross-link wide push bar accumulation type suspension conveying system according to claim 4, characterized by: The front trolley and the rear trolley each comprise a trolley support, two rotating shafts arranged at the front and rear ends of the trolley support, and rollers fixedly mounted on the two ends of the rotating shafts; a plurality of connecting holes are arranged on the bottom of the trolley support, the shovel plate is fixedly connected to the connecting holes through fasteners; and the lever is hingedly mounted on the connecting holes through a pin.

6. The cross-link wide push bar accumulation type suspension conveying system according to claim 4 or 5, characterized by: A U-shaped counterweight is arranged on the overhanging end of the lever, and a roller shaft is rotatably mounted on the U-shaped counterweight; when the lever contacts the front shovel plate, the roller shaft rolls on the shovel plate, so that the connecting piece descends and separates from the wide push rod.

7. The cross-link wide push bar accumulation type suspension conveying system according to claim 6, characterized by: The material box is connected to the hanging piece through an adapter plate.

8. The cross-link wide push bar accumulation type suspension conveying system according to claim 1 or 7, characterized by: The driving assembly comprises a base support frame fixedly mounted on the traction track, a driving chain assembly rotatably arranged on the base support frame, a torsion support arranged on the driving chain assembly, a driving motor fixedly mounted on the torsion support, a transmission chain assembly power-connected to the output end of the driving motor, and a torsion device connecting the torsion support and the base support frame, one end of the transmission chain assembly is power-connected to the driving chain assembly; and an H-shaped driving piece for driving the cross-shaped traction chain is mounted on the driving chain assembly.

9. The cross-link wide push bar accumulation type suspension conveying system according to claim 8, characterized by: A limiting piece is arranged on the torsion support, and a limiting switch is arranged on the base support frame, one end of the limiting switch is in contact with the limiting piece.

10. The cross-link wide push bar accumulation type suspension conveying system according to claim 1, characterized by: The tensioning assembly comprises a tensioning fixed seat fixedly mounted on the system support, a tensioning sliding piece slidingly mounted on the tensioning fixed seat, and a tensioning counterweight hoisted on the tensioning fixed seat through a pulley and a rope, one end of the rope is fixedly connected to the tensioning sliding piece, and the tensioning sliding piece is fixedly connected to the arc-shaped part of the traction track.

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