CN211255112U

CN211255112U - Environment-friendly electric putter lift platform

Info

Publication number: CN211255112U
Application number: CN201921702688.2U
Authority: CN
Inventors: 王高生; 陆一泓
Original assignee: Qidong Datong Electric Co ltd
Current assignee: Qidong Datong Electric Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-14
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an environment-friendly electric push rod lifting platform, which comprises a table board device, a scissor fork device, a conversion device, a chassis device, an electric push rod and an electric control device; one end of the chassis device is provided with an electrical control device, and an upper limit travel switch and a lower limit travel switch of the chassis device are connected with a servo controller of the electrical control device; the chassis device is connected with an oilless bearing II of an inner scissor and an outer scissor of the scissor device through a pin shaft III on the fixed seat; an electric push rod is arranged on an ear plate of the scissor device, and a transition shaft I and a transition shaft II of the scissor device are provided with conversion devices; the scissor device is connected with the mounting hole of the fixed seat of the table-board device through a pin shaft I; compared with the traditional hydraulic power unit, the utility model has smaller space occupied by separating the hydraulic power unit from the oil cylinder, and the volume is reduced by 20%; the shear fork structure is designed in a brand-new way, a labor-saving mechanism-conversion device is added, the lifting corner is increased, the upward component force is increased, the thrust is saved by 30%, and the energy efficiency ratio is improved.

Description

Environment-friendly electric putter lift platform

Technical Field

The invention relates to a lifting platform, in particular to an environment-friendly electric push rod lifting platform.

Background

The lifting platform is one of main auxiliary machines in the industrial production process, and the existing hydraulic lifting platform generally has the risk of oil leakage, is not environment-friendly and cannot be used in the environment with cleanliness requirements. In addition, due to the characteristics of hydraulic oil, the hydraulic oil can not be accurately controlled, and the hydraulic oil can not adapt to occasions with higher accuracy, such as automation, intellectualization, particularly unmanned workshops and the like.

Disclosure of Invention

In order to solve the technical problems, the invention provides an environment-friendly electric push rod lifting platform which comprises a table board device, a scissor device, a conversion device, a chassis device, an electric push rod and an electric control device, wherein the table board device is arranged on the table board; one end of the chassis device is provided with an electrical control device, and a limit travel switch and a lower limit travel switch on the chassis device are connected with a servo controller of the electrical control device; the chassis device is connected with an oilless bearing II of an inner scissor and an outer scissor of the scissor device through a pin shaft III on the fixed seat; an electric push rod is arranged on an ear plate of the scissor device, and a transition shaft I and a transition shaft II of the scissor device are provided with conversion devices; an oilless bearing VI of the scissor device is connected with a mounting hole of a fixed seat of the table-board device through a pin shaft I; the electric control device controls the electric push rod to realize telescopic control through the servo controller.

Further, the table-board device comprises a table-board, wherein one end of the table-board is fixedly provided with a hoisting nut, and the other end of the table-board is provided with a fixed seat; a lower limit plate is arranged at the same end of the fixed seat; the guide rails are welded on two sides of the table panel; the pin shaft I is connected with oilless bearings II of the inner scissor fork and the outer scissor fork through the mounting hole and is locked by a cotter pin I.

Further, the scissor device comprises an outer scissor and an inner scissor, and the oilless bearing I is arranged in the middle of the outer scissor; the middle shaft is inserted into the oilless bearing I, the inner shear fork and the outer shear fork are connected, and the middle shaft is fastened by the nut I and the elastic pad; the bearing type roller is arranged on the outer scissor fork through an oilless bearing II and is blocked by a retaining ring for a shaft; the inner scissor fork is also provided with a bearing type roller; a hard limiting block is welded at one end of the outer scissor fork, a threaded hole is processed in the hard limiting block, a bolt is installed on the hard limiting block, and the hard limiting block is screwed by a nut II; when the lowest position exceeds the limit, the hard limiting block, the mounted bolt, the mounted nut and the inner scissor fork contact to limit the lowest height. The transition shaft I is mounted on the inner scissor fork through an oilless bearing III; transition axle II is installed on outer scissors fork through oilless bearing IV, and the guide backup pad welds on including scissors fork, and the otic placode is welded on the connecting plate of including scissors fork, and the otic placode round pin axle is installed in the round pin shaft hole of otic placode, pins with screw and apron.

Further, the conversion device comprises a conversion component, a pull rod and an upper rolling plate; the two ends of the conversion component are fixedly provided with conversion plates; the pull rod and the conversion plate are connected through a pin shaft II and locked through a cotter pin III, and an upper pin shaft is installed on the conversion component and locked through a pressing plate, a screw and an elastic pad; and a pull rod and the upper rolling plate are connected by a pin shaft II and locked by a cotter pin II, an oilless bearing V is arranged on the upper rolling plate, and a roller is arranged on the oilless bearing V.

Further, the chassis device comprises a welding chassis, a transition plate, an upper limit travel switch, a lower limit travel switch, an upper limit plate and a lower limit plate; the pin shaft III is installed on a fixed seat of the welding chassis, the cotter pin IV is installed in a hole of the pin shaft III, the transition plate is connected to an upper limiting plate of the welding chassis through a bolt, the upper limiting travel switch is installed on the transition plate, and the lower limiting travel switch is installed on a lower limiting plate of the welding chassis.

Furthermore, the electric push rod comprises a primary pinion arranged on an output shaft of the motor, the motor is arranged in a rabbet of the box cover and is fastened on the box cover through a screw and an elastic pad, and the box cover is also fixedly connected with the box body through a screw and an elastic pad; the first-stage pinion is meshed with the first-stage gearwheel, the first-stage gearwheel is arranged on a second-stage pinion shaft, and the second-stage pinion shaft is arranged in the box cover and the box body through a bearing I; the second-stage pinion shaft is connected with the second-stage gearwheel, the second-stage gearwheel is arranged on the third-stage pinion shaft, and the third-stage pinion shaft is arranged in the box cover and the box body through a bearing II; the third-level pinion shaft is connected with the third-level gearwheel; the three-stage large gear is arranged on a ball screw, and a screw nut is arranged on the ball screw; the ball screw is provided with a bearing III and a bearing IV, and is fixed on the box cover through the bearing III and is fixed on the box body through the bearing IV; the nylon uide bushing is installed in ball screw's upper end, and the nylon uide bushing is blocked with the retaining ring in the hole, and the push rod passes through the screw thread to be installed on ball screw, overlaps on the push rod and establishes the cylinder, and the cylinder passes through the screw thread to be installed on the case lid, and the adapter sleeve is installed on the push rod.

Furthermore, the electric control device comprises a control box cover, a control box body, a servo controller and a button box; the resistor is arranged on the control box cover, and the transformer, the buzzer, the button, the fuse, the intermediate relay, the resistor, the air switch, the switching power supply and the servo controller are all arranged in the control box body; the servo controller is connected with a motor of the electric push rod; the button box is connected with the servo controller through an electric wire to control the electric push rod to stretch and retract.

The invention has the advantages that: the novel high-precision heavy-load electric push rod replaces a hydraulic oil cylinder to transmit power, a power source adopts a high-precision heavy-load gear reduction power unit which is smaller in size and higher in precision and is formed by combining a servo motor and a high-precision gear reducer, the gear reduction power unit and an execution push rod are integrally installed, the space occupied by the gear reduction power unit and the execution push rod is smaller than the space occupied by the traditional hydraulic power unit and the oil cylinder in a separated mode, and the size of the gear reduction power unit is reduced by more than 20% compared with the existing HW series hydraulic; secondly, a novel design is carried out on a scissor structure, a labor-saving mechanism-conversion device is added, a lifting corner is increased, upward component force is increased, and thrust is effectively saved, so that the thrust is saved by 30% compared with the existing HW series hydraulic lifting platform, the energy efficiency ratio is improved, the maximum thrust of a high-precision heavy-load electric push rod is reduced, and in turn, the high-precision heavy-load electric push rod is more compact in structure and more reasonable in platform size; the electric type is full-electric, has no pollution, high cleanliness and labor saving, and can be applied to the industries of pharmacy, food and the like which need to wear protective clothing and have high cleaning requirements; fourthly, the power type of the pure electric push rod is higher in precision, higher in speed and higher in efficiency compared with a hydraulic power unit; the positioning precision of the lifting platform is greatly improved, and the application blank of precise lifting operation occasions is filled; fifthly, the electrical program control can be manually controlled, namely manually operated, so that the requirements of common occasions are met, and can also be automatically controlled to realize unmanned operation and be applied to occasions such as an automatic unmanned workshop and an AGV; wireless and wired communication extensions are also possible.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural view of the table top device of the present invention.

Fig. 3 is a block diagram of a scissors assembly of the present invention.

Fig. 4 is a structural view of the conversion device of the present invention.

Fig. 5 is a structural view of the chassis device of the present invention.

Fig. 6 is a structural view of the electric putter of the present invention.

Fig. 7 is a schematic view of the connection between the second-stage large gear and the third-stage large gear of the electric push rod of the invention.

Fig. 8 is a structural view of the electric control apparatus of the present invention.

In the drawings, 1, a table top device; 11. a table top plate; 12. lifting the nut; 13. a fixed seat; 14. a guide rail; 15. a lower limiting plate; 16. a pin shaft I; 17. a cotter I; 18. mounting holes; 2. a scissor device; 21. an outer scissor; 22. an inner scissor fork; 23. an intermediate shaft; 24. a transition shaft I; 25. a transition shaft II; 26. a guide support plate; 27. a bearing type roller; 28. an oilless bearing I; 29. a hard stop block; 210. a retainer ring for a shaft; 211. an ear plate; 212. an ear plate pin shaft; 213. a cover plate; 214. a bolt; 215. a nut; 216. a screw; 217. a spring pad; 218. an oilless bearing II, 219; the connecting plate, 220 bolt, 221 nut II, 222 oilless bearing III, 223 oilless bearing IV, 224 pin shaft hole; 225. an oilless bearing VI; 3. a conversion device; 31. a conversion member; 32. a pull rod; 33. rolling the plate upwards; 34. an upper pin shaft; 35. a roller; 36. a pin shaft II; 37. an oil-free bearing V; 38. pressing a plate; 39. a cotter pin II; 310. a bolt; 311. a screw; 312. elastic pad 313, converting plate; 314. a cotter pin III; 4. a chassis device; 41. welding a chassis; 42. a pin shaft III; 43. a cotter pin IV; 44. a fixed seat; 45. a lower limit travel switch; 46. a lower limiting plate; 47. a transition plate; 48. an upper limit travel switch; 49. an upper limiting plate; 410. a screw; 411. a bolt; 5. an electric push rod; 51. the bearing comprises a connecting sleeve, 52 push rods, 53 nylon guide sleeves, 54 hole retainer rings, 55 cylinder barrels, 56 ball screws, 57 lead screw nuts, 58 box covers, 59 box bodies, 510 oilless bearings, 511 screws, 512 elastic cushions, 513 motors, 514 primary pinions, 515 primary large gears, 516 secondary pinion shafts, 517 secondary large gears, 518 tertiary small gear shafts, 519 tertiary large gears, 520 bearings I, 521 bearings II, 522 bearings III, 523 bearings IV; 524. stopping the opening; 6. an electrical control device; 61. a control box cover; 62. a control box body; 63. a transformer; 64. a buzzer; 65. a button; 66. a fuse; 67. an intermediate relay; 68. a resistor; 69. an air switch; 610 a servo controller.

Detailed Description

As shown in fig. 1, an environment-friendly electric push rod lifting platform comprises a table board device 1, a scissor device 2, a conversion device 3, a chassis device 4, an electric push rod 5 and an electric control device 6; an electric control device 6 is installed at one end of the chassis device 4, and a limit travel switch 48 and a lower limit travel switch 45 on the chassis device 4 are connected with a servo controller 611 of the electric control device 6. The chassis device 4 is connected with the oilless bearings ii 218 of the inner scissors 22 and the outer scissors 21 of the scissors device 2 through the pin shaft iii 42 on the fixing seat 44. An ear plate 211 of the scissors device 2 is provided with an electric push rod 5, and a transition shaft I24 and a transition shaft II 25 of the scissors device 2 are provided with a conversion device 3. An oilless bearing VI 225 of the scissor device 2 is connected with a fixed seat 13 of the table-board device 1 through a pin shaft I16; the electric control device 6 controls the electric push rod 5 to realize telescopic control according to the instruction.

As shown in fig. 2, the table-board device 1 includes a table-board 11, wherein a lifting nut 12 is fixedly arranged at one end of the table-board 11, and a fixed seat 13 is arranged at the other end; a lower limit plate 15 is arranged at the same end of the fixed seat 13; the guide rails 14 are welded to both sides of the deck plate 11. The fixed seat 13 is provided with a mounting hole 18, and the pin shaft I16 is connected with the oilless bearings II 218 of the inner scissor 22 and the outer scissor 21 through the mounting hole 18 and locked by a cotter pin I17.

As shown in fig. 3, the scissors device 2 includes an outer scissors 21 and an inner scissors 22, and an oilless bearing i 28 is installed in the middle of the outer scissors 21. The intermediate shaft 23 is inserted into an oilless bearing I28 to connect the inner scissors 22 and the outer scissors 21. The intermediate shaft 23 is fastened by a nut i 215 and a spring washer 217. Both ends of the outer scissor 21 and the inner scissor 22 are respectively provided with an oilless bearing II 218 and an oilless bearing VI 225. One end of the external scissor 21 is provided with a bearing type roller 27 through an oilless bearing II 218 and is blocked by a retaining ring 210 for a shaft; one end of the inner scissor fork 22 is also mounted with a bearing roller 27. And a hard limiting block 29 is welded at one end of the outer scissor 21 and beside the oilless bearing VI 225. The hard limiting block 29 is processed with a threaded hole, and the bolt 214 is installed on the hard limiting block 29 and is screwed by the nut II 221. When the lowest position exceeds the limit, the hard limit block 29, the mounted bolt and bolt 214 and the nut II 221 contact with the inner scissor 22 to play a role in limiting the lowest height. The transition shaft I24 is arranged on the inner scissor fork 22 through an oilless bearing III 222; the transition shaft II 25 is mounted on the outer scissor fork 21 through an oilless bearing IV 223, the guide support plate 26 is welded on the inner scissor fork 22, and the lug plate 211 is welded on the connecting plate 219 of the inner scissor fork 22. The ear plate 211 is provided with a pin shaft hole 224, and the ear plate pin shaft 212 is installed in the pin shaft hole 224 and locked with the screw 216 and the cover plate 213.

As shown in fig. 4, the switching device 3 includes a switching member 31, a pull rod 32, an upper roll plate 33; the conversion plate 313 is fixed at the two ends of the conversion component 31; the pin II 36 connects the pull rod 32 and the conversion plate 313, and is locked by a cotter pin III 314, the upper pin 34 is arranged on the conversion component 31 and is locked by a pressing plate 38, a screw 311 and an elastic pad 312; the pull rod 32 and the upper roller plate 33 are connected by a pin II 36, locked by a cotter pin II 39, and an oilless bearing V37 is installed on the upper roller plate 33. The roller 35 is mounted on an oilless bearing v 37 and then locked with a bolt 310 and a spring washer 312.

As shown in fig. 5, the chassis device 4 includes a welding chassis 41, a transition plate 47, an upper limit travel switch 48, a lower limit travel switch 45, an upper limit plate 49, and a lower limit plate 46. The pin shaft III 42 is installed on a fixed seat 44 of the welding chassis 41, the cotter pin IV 43 is installed in a hole of the pin shaft III 42, a transition plate 47 is connected to an upper limiting plate 49 of the welding chassis 41 through a bolt 411, an upper limiting travel switch 48 is installed on the transition plate 47, and a lower limiting travel switch 45 is installed on a lower limiting plate 46 of the welding chassis 41. An electric control device 6 is attached to one end of the chassis device 4 opposite to the chassis 41.

As shown in fig. 6 and 7, the electric push rod 5 includes a primary pinion 514 mounted on the output shaft of the motor 513, the motor 513 is mounted in a spigot 524 of the box cover 58 and fastened to the box cover 58 through a screw 511 and an elastic pad 512, and the box cover 58 is also fixedly connected with the box 59 through the screw 511 and the elastic pad 512; the primary pinion 514 is meshed with a primary gearwheel 515, the primary gearwheel 515 is arranged on a secondary pinion shaft 516, and the secondary pinion shaft 516 is arranged in the box cover 58 and the box body 59 through a bearing I520; the secondary pinion shaft 516 is connected with a secondary bull gear 517, the secondary bull gear 517 is installed on a tertiary pinion shaft 518, and the tertiary pinion shaft 518 is installed in the box cover 58 and the box body 59 through a bearing II 521; the third-stage pinion shaft 518 is connected with a third-stage bull gear 519; the third-stage bull gear 519 is mounted on the ball screw 56, and the screw nut 57 is mounted on the ball screw 56; the ball screw 56 is provided with a bearing III 522 and a bearing IV 523, the ball screw 56 is fixed on the box cover 58 through the bearing III 522 and is fixed on the box body 59 through the bearing IV 523; the nylon guide sleeve 53 is arranged at the upper end of a ball screw 56, the nylon guide sleeve 53 is blocked by a retainer ring 54, the push rod 52 is arranged on the ball screw 56 through threads, the push rod 52 is sleeved with a cylinder 55, the cylinder 55 is arranged on a box cover 58 through threads, and the connecting sleeve 51 is arranged on the push rod 52.

As shown in fig. 8, the electric control device 6 includes a control box cover 61, a control box 62, a servo controller 611, a button box 612; the resistor 68 is arranged on the control box cover 61, the transformer 63, the buzzer 64, the button 65, the fuse 66, the intermediate relay 67, the resistor 68, the air switch 69, the switching power supply 610 and the servo controller 611 are connected according to a control principle and are all arranged in the control box body 62, and the servo controller 611 is connected with the motor 513 of the electric push rod 5; the button box 612 is connected with the servo controller 611 through a wire to control the electric push rod 5 to move in a telescopic way.

Claims

1. The utility model provides an environment-friendly electric putter lift platform which characterized in that: comprises a table-board device, a scissor device, a conversion device, a chassis device, an electric push rod and an electric control device; an electrical control device is installed at one end of the chassis device, and a limit travel switch and a lower limit travel switch on the chassis device are connected with a servo controller of the electrical control device; the chassis device is connected with an oilless bearing II of an inner scissor and an outer scissor of the scissor device through a pin shaft III on the fixed seat; an electric push rod is arranged on an ear plate of the scissor device, and a transition shaft I and a transition shaft II of the scissor device are provided with conversion devices; an oilless bearing VI of the scissor device is connected with a fixed seat of the table-board device through a pin shaft I; the electric control device controls the electric push rod to realize telescopic control through the servo controller.

2. The environment-friendly electric push rod lifting platform according to claim 1, characterized in that: the table-board device comprises a table-board, wherein one end of the table-board is fixedly provided with a lifting nut, and the other end of the table-board is provided with a fixed seat; a lower limit plate is arranged at the same end of the fixed seat; the guide rails are welded on two sides of the table panel; the pin shaft I is connected with oilless bearings II of the inner scissor fork and the outer scissor fork through the mounting hole and is locked by a cotter pin I.

3. The environment-friendly electric push rod lifting platform according to claim 1, characterized in that: the scissor device comprises an outer scissor and an inner scissor, and the oilless bearing I is arranged in the middle of the outer scissor; the middle shaft is inserted into the oilless bearing I, the inner shear fork and the outer shear fork are connected, and the middle shaft is fastened by the nut I and the elastic pad; the bearing type roller is arranged on the outer scissor fork through an oilless bearing II and is blocked by a retaining ring for a shaft; the inner scissor fork is also provided with a bearing type roller; a hard limiting block is welded at one end of the outer scissor fork, a threaded hole is processed in the hard limiting block, a bolt is installed on the hard limiting block, and the hard limiting block is screwed by a nut II; when the lowest position exceeds the limit, the hard limiting block, the installed bolt and the installed nut II are in contact with the inner scissor fork to play a role in limiting the lowest height; the transition shaft I is mounted on the inner scissor fork through an oilless bearing III; transition axle II is installed on outer scissors fork through oilless bearing IV, and the guide backup pad welds on including scissors fork, and the otic placode is welded on the connecting plate of including scissors fork, and the otic placode round pin axle is installed in the round pin shaft hole of otic placode, pins with screw and apron.

4. The environment-friendly electric push rod lifting platform according to claim 1, characterized in that: the conversion device comprises a conversion component, a pull rod and an upper rolling plate; the two ends of the conversion component are fixedly provided with conversion plates; the pull rod and the conversion plate are connected through a pin shaft II and locked through a cotter pin III, and an upper pin shaft is installed on the conversion component and locked through a pressing plate, a screw and an elastic pad; and a pull rod and the upper rolling plate are connected by a pin shaft II and locked by a cotter pin II, an oilless bearing V is arranged on the upper rolling plate, and a roller is arranged on the oilless bearing V.

5. The environment-friendly electric push rod lifting platform according to claim 1, characterized in that: the chassis device comprises a welding chassis, a transition plate, an upper limit travel switch, a lower limit travel switch, an upper limit plate and a lower limit plate; the pin shaft III is installed on a fixed seat of the welding chassis, the cotter pin IV is installed in a hole of the pin shaft III, the transition plate is connected to an upper limiting plate of the welding chassis through a bolt, the upper limiting travel switch is installed on the transition plate, and the lower limiting travel switch is installed on a lower limiting plate of the welding chassis.

6. The environment-friendly electric push rod lifting platform according to claim 1, characterized in that: the electric push rod comprises a primary pinion arranged on an output shaft of the motor, the motor is arranged in a rabbet of the box cover and is fastened on the box cover through a screw and an elastic pad, and the box cover is also fixedly connected with the box body through the screw and the elastic pad; the first-stage pinion is meshed with the first-stage gearwheel, the first-stage gearwheel is arranged on a second-stage pinion shaft, and the second-stage pinion shaft is arranged in the box cover and the box body through a bearing I; the second-stage pinion shaft is connected with the second-stage gearwheel, the second-stage gearwheel is arranged on the third-stage pinion shaft, and the third-stage pinion shaft is arranged in the box cover and the box body through a bearing II; the third-level pinion shaft is connected with the third-level gearwheel; the three-stage large gear is arranged on a ball screw, and a screw nut is arranged on the ball screw; the ball screw is provided with a bearing III and a bearing IV, and is fixed on the box cover through the bearing III and is fixed on the box body through the bearing IV; the nylon uide bushing is installed in ball screw's upper end, and the nylon uide bushing is blocked with the retaining ring in the hole, and the push rod passes through the screw thread to be installed on ball screw, overlaps on the push rod and establishes the cylinder, and the cylinder passes through the screw thread to be installed on the case lid, and the adapter sleeve is installed on the push rod.

7. The environment-friendly electric push rod lifting platform according to claim 1 or 6, characterized in that: the electric control device comprises a control box cover, a control box body, a servo controller and a button box; the resistor is arranged on the control box cover, and the transformer, the buzzer, the button, the fuse, the intermediate relay, the resistor, the air switch, the switching power supply and the servo controller are all arranged in the control box body; the servo controller is connected with a motor of the electric push rod; the button box is connected with the servo controller through an electric wire.