Energy-saving control machine for high-load freight elevator

Abstract

The high-load cargo elevator energy-saving control machine comprises a base and a traction machine, a sliding groove is formed in the surface of the base, a power generator is slidably installed in the sliding groove, a bearing is fixedly installed at the rotating shaft end of the power generator, a transmission assembly is arranged between the bearing and the traction machine, and an L-shaped plate is arranged on one side of the power generator; a fixing plate is fixedly mounted on one side of the L-shaped plate, a transverse plate is fixedly mounted at the bottom end of the fixing plate, a mounting frame is slidably mounted at the bottom of the transverse plate, a hollow tensioning roller is rotatably mounted in the mounting frame, a dust removal assembly is arranged on the surface of the tensioning roller, and a lubricating mechanism is arranged at the top of the L-shaped plate. Through the arrangement of the tensioning rollers, the convex blocks, the rough surfaces, the arc surfaces, the first dust removal holes, the second dust removal holes and the like, the belt can be tensioned, meanwhile, stable contact with the surface of the belt can be achieved, dust on the surface of the belt can be blown away, adhered dust can be removed, the dust removal effect is greatly improved, and the energy-saving effect is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of elevator control machines, and particularly relates to an energy-saving control machine for high-load freight elevators. Background Art

[0002] An elevator refers to a device that serves several specific floors in a building and realizes the vertical transportation function. It mainly relies on the traction force generated by the friction between the traction ropes and the traction wheels to realize the lifting and lowering movement of the car and the counterweight, so as to achieve the transportation purpose. Among them, a freight elevator is an elevator mainly designed for transporting goods. At present, most common host devices of freight elevators use traction machines to provide power for the elevator and control the elevator, and many electrical devices in the elevator need to be reconnected to the power supply to work properly.

[0003] In the prior art, a Chinese invention patent with the patent number CN116816886B discloses an elevator energy-saving control machine, which includes a gearless traction machine and a generator. The gearless traction machine realizes the lifting and lowering of the elevator by adjusting the rotation direction. The gearless traction machine and the generator are jointly connected with a transmission unit; the transmission unit includes a support assembly arranged at the lower ends of the gearless traction machine and the generator, a gravity assembly arranged on the support assembly, and a transmission assembly arranged between the gearless traction machine and the generator. For this elevator energy-saving control machine, when the chain becomes loose, the distance from the gearless traction machine is increased, so that the loose chain is re-tensioned, avoiding adverse effects on the entire transmission system.

[0004] In the prior art, through the gravity assembly, when the chain becomes loose, the loose chain is re-tensioned, but there are still certain deficiencies in the overall use: First of all, in the above prior art, a chain and a sprocket are used to drive and connect the generator. When the chain is loose, the meshing between the chain and the sprocket is not tight, resulting in large losses during power transmission, thus reducing the transmission efficiency. Although it can be tensioned, after the loose chain is tensioned, the gap between the chain and the sprocket changes, and the phenomenon of tooth skipping is likely to occur, greatly reducing the power generation and energy-saving effect; Secondly, by pulling the generator with a counterweight block, the chain is continuously tensioned. When the chain is too tight, the power transmission is not smooth, resulting in unstable power output. The too-tight chain bears a greater tension during operation, and in the long run, it may cause the chain to fatigue or even break; Finally, in the prior art, there is also a technology that uses a pulley to drive and connect the generator. However, during use, dust accumulates on the surface of the belt and the pulley, resulting in an increase in friction, affecting the transmission efficiency, and even causing problems such as slipping or noise. At the same time, dust particles will exacerbate the wear of the belt and the pulley, shortening their service life. The prior art lacks good cleaning equipment. Summary of the Invention

[0005] In order to overcome the deficiencies of the prior art, the present invention provides an energy-saving control machine for a high-load freight elevator. The present invention solves the technical problems that when using chain drive, after the loose chain is tensioned, the gap between the chain and the sprocket changes, and it is easy to occur the phenomenon of tooth skipping. The too-tight chain bears greater tension during operation, and in the long term, it may cause the chain to fatigue or even break, greatly reducing the energy-saving effect. On this basis, it also solves the problem that the accumulation of dust on the surface of the pulley affects the transmission effect, achieving the advantages of reducing friction, increasing the service life, and reducing energy loss to improve the energy-saving effect.

[0006] In order to achieve the above object, the present invention provides the following technical solution: An energy-saving control machine for a high-load freight elevator, including a base and a traction machine. The traction machine is fixedly installed on the upper surface of the base. A chute is provided on the surface of the base. A generator is slidably installed inside the chute, so that the traction machine can drive the generator for energy storage recovery during the process of lifting the elevator. A bearing is fixedly installed at the output end of the generator. A transmission assembly is provided between the bearing and the traction machine. One side of the generator is provided with an L-shaped plate. One side of the L-shaped plate is fixedly installed with a fixing plate. The bottom end of the fixing plate is fixedly installed with a cross plate. A sensor is fixedly installed on the lower surface of the cross plate. An installation frame is slidably installed at the bottom of the cross plate. A hollow tensioning roller is rotatably installed inside the installation frame for tensioning the transmission assembly. A dust removal assembly is provided on the surface of the tensioning roller for removing the dust accumulated on the surface of the transmission assembly. A lubrication mechanism is provided at the top of the L-shaped plate for lubricating the bearing.

[0007] The power generation is transmitted through a pulley, which improves the energy-saving effect of the freight elevator. At the same time, it can tension the belt, avoid belt stretching and slipping, improve the use effect, can also remove dust from the belt, reduce the frictional energy of the belt, greatly improve the energy-saving effect, and can lubricate the bearing, greatly improving the use effect.

[0008] In the above-mentioned energy-saving control machine for a high-load freight elevator, the transmission assembly includes a first pulley fixedly installed at the rotating shaft end of the traction machine and a second pulley fixedly installed at the output end of the generator. A belt is installed for transmission between the second pulley and the first pulley.

[0009] The transmission connection of the generator is carried out through a pulley, avoiding the change of the gap between the chain and the sprocket after the loose chain is tensioned, and it is easy to occur the phenomenon of tooth skipping.

[0010] In the above-mentioned energy-saving control machine for a high-load freight elevator, a slider is provided inside the chute. A plurality of sliding rods are slidably installed on the lower surface of the slider. A connecting block is fixedly installed on the lower surface of the sliding rod. The lower surface of the connecting block is arranged in an arc shape, and a first spring is fixedly installed between the upper surface of the connecting block and the lower surface of the slider.

[0011] By enhancing the overall stability of the slide mechanism, the friction coefficient can be effectively reduced and the noise during movement can be reduced. The arc surface setting of the lower surface of the connecting block reduces the contact area between the connecting block and the base, which can effectively reduce the friction coefficient and reduce the noise during movement.

[0012] In the above-mentioned high-load freight elevator energy-saving control machine, a groove is opened on the upper surface of the slider, and a U-shaped mounting plate is fixedly installed on the top of the slider, the upper surface of the mounting plate and the lower surface of the generator are fixed to each other, and a sound-absorbing pad is fixedly installed between the lower surface mounting plate and the upper surface of the slider.

[0013] Noise reduction is further achieved by installing sound-absorbing pads.

[0014] In the above-mentioned high-load freight elevator energy-saving control machine, a support rod sliding on one side of the slide groove is fixedly installed on one side of the slider, a second spring is fixedly installed between the support rod and the slide groove, and an alarm switch is fixedly installed on one side of the slide groove.

[0015] By setting the alarm switch, the maximum degree of belt stretching can be detected. The alarm switch will sound an alarm to remind the staff to replace the belt, ensuring the normal operation of the equipment.

[0016] In the above-mentioned high-load freight elevator energy-saving control machine, the dust removal component includes a protrusion fixedly mounted on the surface of the tensioning roller, the protrusion is trapezoidal in shape, and the protrusion is made of rubber material, a semicircular rough surface is fixedly provided on the top of the protrusion, and concave arc surfaces are provided on both sides of the protrusion, and a first dust removal hole is opened on the surface of the arc surface, and multiple first dust removal holes are connected to the interior of the tensioning roller, and each of the protrusions is also connected to multiple second dust removal holes on both sides of the tensioning roller. The second dust removal holes are inclined, and the top end opening of the second dust removal hole faces the adjacent protrusion.

[0017] Through the settings of tensioning rollers, protrusions, rough surfaces, curved surfaces, first dust removal holes and second dust removal holes, the belt can be tensioned while maintaining stable contact with the surface of the belt. Dust on the surface of the belt can also be sucked away, and adhered dust can be scraped off, which greatly improves the dust removal effect, reduces energy loss, and greatly improves the energy-saving effect.

[0018] In the above-mentioned energy-saving control machine for high-load freight elevators, a connecting plate is fixedly installed on one side of the mounting frame, a conical groove abutting against the second pulley is fixedly installed on one end of the connecting plate, the interior of the conical groove is larger at the top and smaller at the bottom, a collecting plate is rotatably installed on the bottom end of the conical groove, and the bottom end of the mounting frame is fixed to the mounting frame.

[0019] Through the settings such as the conical groove and the collecting plate, the inner wall of the wheel groove can be cleaned, making the inner surface of the wheel groove smooth, reducing the friction with the belt, improving the transmission effect, and thus enhancing the energy-saving effect.

[0020] In the above-mentioned energy-saving control machine for high-load freight elevators, the lubrication mechanism includes an oil storage tank fixedly installed on the top of the L-shaped plate. The oil storage tank is conical in shape and is communicated with the oil injection hole of the bearing. A reduction gearbox is fixedly installed on the lower surface of the top of the L-shaped plate. A tooth is fixedly installed on the outer surface of the second pulley and meshes with the internal gear of the reduction gearbox. A rotating shaft is rotatably installed inside the oil storage tank and is in transmission connection with the internal gear of the reduction gearbox. Eccentric disks are fixedly installed at both ends of the rotating shaft. A top plate is slidably installed inside the oil storage tank and is used in cooperation with the eccentric disks. A partition is fixedly installed inside the oil storage tank and above the top plate. A connecting pipe is fixedly installed inside the top plate and slidably penetrates through the partition. Oil inlet holes are formed on the outer side of the connecting pipe.

[0021] Through the settings such as the eccentric disks, floating plates, solenoid valves, and conduits, intermittent oiling can be carried out at the bearing, reducing the friction during transmission, reducing the transmission energy during transmission, and thus enhancing the energy-saving effect.

[0022] In the above-mentioned energy-saving control machine for high-load freight elevators, a floating plate penetrated by the bottom of the connecting pipe is slidably installed below the eccentric disk inside the oil storage tank and is in sliding fit with the connecting pipe. A control switch used in cooperation with the floating plate is fixedly installed inside the oil storage tank, and a solenoid valve is arranged at the bottom of the oil storage tank. A sponge block used in cooperation with the tooth is fixedly installed on the front surface of the reduction gearbox. A conduit communicating with the sponge block is fixedly connected to the bottom of the oil storage tank.

[0023] Through the settings such as the conduit and the sponge block, the gears can be lubricated, reducing the friction during transmission, reducing the transmission energy during transmission, and thus enhancing the energy-saving effect.

[0024] In the above-mentioned energy-saving control machine for high-load freight elevators, a plurality of mutually fixed mesh plates are fixedly installed at the top end of the connecting pipe inside the oil storage tank. A plurality of mesh holes are formed on the surface of the mesh plates. A conical dispersion cone is rotatably installed inside the mesh holes. Thread grooves are formed on the surface of the dispersion cone.

[0025] Through the settings such as the mesh plates, mesh holes, dispersion cones, and thread grooves, the internal lubricating oil can be cut vertically, preventing the lubricating oil from precipitating after being placed for a long time and affecting the use effect of the lubricating oil. While cutting the lubricating oil, the dispersion cones can rotate to improve the dispersion effect of the lubricating oil and prevent precipitation.

[0026] In summary, compared with the prior art, the energy-saving control machine for a high-load freight elevator provided by the present invention has the following beneficial effects: In the present invention, by means of the tensioning roller, the convex block, the rough surface, the arc surface, the first dust removal hole and the second dust removal hole, the belt can be tensioned and stably contacted with the surface of the belt, and the dust on the surface of the belt can be blown away and the seriously adhered dirt can be planed away, which greatly improves the dust removal effect, reduces energy loss and greatly improves the energy saving effect. In the present invention, the inner wall of the wheel groove can be cleaned by setting the conical groove and the collecting plate, so that the surface inside the wheel groove is smooth, the friction between the belt and the belt is reduced, the transmission effect is improved, and thus the energy saving effect is improved; In the present invention, the slider, the slide bar, the connecting block and the like are arranged to disperse the force and reduce the single-point pressure, thereby enhancing the overall stability of the slide mechanism, effectively reducing the friction coefficient and the noise during movement. The arc surface of the lower surface of the connecting block is arranged to reduce the contact area between the connecting block and the base, which can effectively reduce the friction coefficient and reduce the noise during movement. In the present invention, by means of the eccentric disk, the floating plate, the electromagnetic valve, the conduit and the sponge block, the connection between the bearing and the tooth can be intermittently oiled, thereby reducing the friction during transmission and the transmission energy during transmission, thereby improving the energy saving effect; In the present invention, the internal lubricating oil can be cut up and down by means of the settings of the mesh plate, mesh holes, dispersion cones and thread grooves, so as to avoid the lubricating oil being left for a long time and causing precipitation, which affects the use effect of the lubricating oil. While the lubricating oil is being cut, the dispersion cone can be rotated to improve the dispersion effect of the lubricating oil and avoid precipitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the first three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the top view structure of the present invention; Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure at AA in FIG. Figure 4 for Figure 3 The enlarged structural diagram at B in FIG. Figure 5 for Figure 2 The enlarged structural diagram at C in FIG. Figure 6 It is a schematic diagram of the second three-dimensional structure of the present invention; Figure 7 Based Figure 6 The enlarged structural diagram at D in FIG. Figure 8 forFigure 2 Schematic diagram of the sectional structure at the E-E position in Figure 9 is Figure 8 Schematic diagram of the enlarged structure at the F position in Figure 10 This is Figure 9 Schematic diagram of the part structure of the dispersion cone in Figure 11 The third three-dimensional structure diagram of the present invention; Figure 12 is Figure 11 Schematic diagram of the enlarged structure at the G position in Figure 13 is Figure 2 Schematic diagram of the sectional structure at the H-H position in Figure 14 is Figure 1 Schematic diagram of the enlarged structure at the I position in Figure 15 is Figure 13 Schematic diagram of the enlarged structure at the J position in

[0028] In the figure: base 10; traction machine 11; chute 12; slider 13; slide bar 14; connecting block 15; first spring 16; support plate 17; mounting plate 18; generator 19; sound-absorbing pad 20; electric push cylinder 21; alarm switch 22; support rod 23; second spring 24; first pulley 25; bearing 26; second pulley 27; belt 28; bottom plate 29; L-shaped plate 30; oil storage tank 31; teeth 32; reduction gearbox 33; top cover 34; detection rod 35; detection head 36; floating rod 37; mesh plate 38; mesh hole 39; dispersion cone 40; threaded groove 41; partition plate 42; rotating shaft 43; eccentric disk 44; top plate 45; connecting pipe 46; oil inlet hole 47; floating plate 48; control switch 49; solenoid valve 50; conduit 51; sponge block 52; collection shell 53; collection box 54; fixing plate 55; cross plate 56; telescopic rod 57; third spring 58; mounting bracket 59; tensioning roller 60; sensor 61; convex block 62; rough surface 63; arc surface 64; first dust removal hole 65; second dust removal hole 66; connecting plate 67; conical groove 68; collection plate 69; air duct 70; air pump 71. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0030] Embodiment 1: Refer to Figure 1 and Figure 6, a high-load freight elevator energy-saving control machine, comprising a base 10 and a traction machine 11. The base 10 is trapezoid-shaped. The traction machine 11 is fixedly installed on the upper surface of the base 10. A chute 12 is provided on the inclined surface of the base 10. A slider 13 is slidably installed inside the chute 12. A support plate 17 is fixedly installed on the upper surface of the slider 13. A U-shaped mounting plate 18 is fixedly installed on the upper surface of the support plate 17. A generator 19 is fixedly installed on the upper surface of the mounting plate 18. A bearing 26 is provided on one side of the generator 19. A second pulley 27 is fixedly installed on the outer ring of the bearing 26. A first pulley 25 is fixedly installed at the shaft end of the traction machine 11. A belt 28 is installed for transmission between the first pulley 25 and the second pulley 27. During use, while the traction machine 11 drives the freight elevator to move up and down, it drives the first pulley 25 to rotate. The rotation of the first pulley 25 drives the second pulley 27 to rotate through the belt 28, thereby enabling the generator 19 to generate electricity. The current generated by the generator 19 passes through an inverter and a voltage stabilizer to convert and regulate the electricity generated by the irregular rotation to obtain a stable voltage and frequency and output it to the storage battery. The storage battery is connected in parallel with the other electrical equipment of the elevator to supply power to the electrical equipment, improving the energy-saving effect.

[0031] Further, referring to Figure 1 , Figure 3 , Figure 6 , Figure 11 and Figure 12, One side of the support plate 17 is fixedly installed with a bottom plate 29. One end of the bottom plate 29 is fixedly installed with an L-shaped plate 30. One side of the top of the L-shaped plate 30 is fixedly installed with a fixing plate 55. The top of the fixing plate 55 is fixedly installed with a cross plate 56. The lower surface of the cross plate 56 is fixedly installed with a telescopic rod 57. The bottom end of the telescopic rod 57 is fixedly installed with a U-shaped mounting frame 59. Inside the mounting frame 59, a tensioning roller 60 that abuts against the belt 28 is rotatably installed. Between the upper surface of the mounting frame 59 and the lower surface of the cross plate 56, a third spring 58 penetrated by the telescopic rod 57 is fixedly installed. On the lower surface of the cross plate 56 and on one side of the telescopic rod 57, a sensor 61 is fixedly installed. On the upper surface of the base 10, an electric push cylinder 21 is fixedly installed. The output end of the electric push cylinder 21 is fixedly connected to one side of the support plate 17. During use, the tensioning roller 60 abuts against the inner surface of the belt 28 through the elastic pressure of the telescopic rod 57 and the third spring 58 to tension the belt 28, preventing the belt 28 from sagging and affecting the transmission efficiency of the belt 28. The sensor 61 monitors the sliding height of the mounting frame 59 to prevent the belt 28 from being stretched too much and the tensioning roller 60 being unable to tension the belt 28. At this time, the electric push cylinder 21 works to push the support plate 17 to slide downward, thereby driving the second pulley 27 to move to tension the belt 28 again, ensuring the transmission efficiency of the belt 28 and greatly improving the energy-saving effect. After the tensioning is completed, the sensor 61 detects the tensioning degree. When the optimal tensioning is reached, the electric push cylinder 21 stops working. The sensor 61 is a conventional detector and is connected electrically, which is prior art and will not be elaborated in this solution.

[0032] Furthermore, referring to Figure 2 and Figure 4 , on the inner wall of the chute 12 away from the electric push cylinder 21, an alarm switch 22 is fixedly installed. When one side of the slider 13 presses the alarm switch 22, that is, when the belt 28 is stretched to the maximum extent, the alarm switch 22 emits an alarm to remind the staff to replace the belt 28, ensuring the normal operation of the equipment.

[0033] Embodiment 2: Referring to Figures 2 - 5, a plurality of slide bars 14 are slidably mounted on the lower surface of the slider 13. A connecting block 15 is fixedly mounted on the lower surface of the slide bar 14. The lower surface of the connecting block 15 is arc-shaped. A first spring 16 penetrated by the slide bar 14 is fixedly mounted between the upper surface of the connecting block 15 and the lower surface of the slider 13. A support rod 23 is fixedly mounted on the side of the slider 13 away from the oil storage tank 31. The support rod 23 slidably penetrates inside the base 10. A retaining piece is fixedly mounted on the surface of the support rod 23. A second spring 24 penetrated by the support rod 23 is fixedly mounted between one side of the retaining piece and one side of the chute 12. During use, with the arrangement of a plurality of connecting blocks 15, the multi-point sliding design can disperse the force, reduce the single-point pressure, thereby enhancing the overall stability of the chute mechanism, effectively reducing the friction coefficient, and reducing the noise during movement. The lower surface of the connecting block 15 is arc-shaped, which can reduce the contact area between the connecting block 15 and the base 10, effectively reducing the friction coefficient and reducing the noise during movement. When the generator 19 operates, vibrations are generated. The use of the first spring 16 and the second spring 24 can buffer the generator 19 and reduce the generation of noise.

[0034] Further, referring to Figure 3 , a sound-absorbing pad 20 is fixedly mounted between the lower surface of the mounting plate 18 and the upper surface of the support plate 17, which can absorb vibrations and reduce noise.

[0035] Embodiment 3: Referring to Figure 1 , Figure 11 , Figure 12 , Figure 13 and Figure 14The tension roller 60 is hollow, and a plurality of trapezoidal protrusions 62 are fixedly installed on the surface of the tension roller 60. The interior of the protrusion 62 is hollow and connected to the tension roller 60. The protrusion 62 is made of hard rubber material. A semicircular rough surface 63 is fixedly installed on the top of the protrusion 62 to increase the friction between the tension roller 60 and the belt 28 to prevent the belt 28 and the tension roller 60 from idling and slipping. Concave arc surfaces 64 are provided on both sides of the protrusion 62. A plurality of first dust removal holes 65 are provided on the surface of the arc surface 64. A plurality of second dust removal holes 66 are provided on the surface of the tension roller 60, and the top of the second dust removal hole 66 opens toward the arc surface 64. An air pump 71 is fixedly installed on one side of the L-shaped plate 30. An air duct 70 is connected to one side of the air pump 71. One end of the air duct 70 is connected to the tension roller 60. The belt 28 is connected and rotates together. When in use, the belt 28 drives the tensioning roller 60 to rotate, and the second dust removal hole 66 blows away the dust on the surface of the belt 28. When the tensioning roller 60 rotates, it drives multiple protrusions 62 to rotate together. At this time, the protrusion 62 will contact the belt 28 in one direction due to the rough surface 63 on the top. At this time, the tensioning force of the belt 28 itself will be fed back to the protrusion 62 that is abutted in one direction, so that the protrusion 62 will be bent and deformed in another direction, so that the arc surface 64 will be elastically deformed, one side of the arc surface 64 will expand outward, and the other side of the arc surface 64 will shrink inward. The protrusion 62 will also better squeeze and contact with the surface of the belt 28, which is conducive to the contact stability between the tensioning roller 60 and the inner surface of the belt 28, reducing damage to the belt. At the same time, the flexible material can better adapt to the unevenness of the belt surface. During the tension and deformation of the arc surface 64, the groove formed by the arc surface 64 on the protrusion 62 can also scrape off the dust adhered to the surface of the belt 28, thereby improving the cleaning effect, and the first dust removal hole 65 can blow away the scraped dust in this process. Since the protrusion 62 is made of rubber material, when one arc surface 64 shrinks inward and the other arc surface 64 expands outward, the elastic deformation of the protrusion 62 will also cause the dust adhered to the surface of the protrusion 62 to fall off. At this time, the obliquely arranged second dust removal hole 66 blows off the detached dust, further improving the dust removal effect, reducing the friction between the belt 28 and the first pulley 25 and the second pulley 27, reducing energy loss, greatly improving the energy-saving effect, and at the same time increasing the service life of the belt 28.

[0036] For further reference, Figure 13 and Figure 15, a connecting plate 67 is fixedly installed on one side of the mounting bracket 59, a conical groove 68 that abuts against the second pulley 27 is fixedly installed on one side of the connecting plate 67, and the abutting portion of the conical groove 68 and the second pulley 27 is set to be rounded, which is convenient for scraping off the dust falling inside the groove of the second pulley 27. A collecting plate 69 is rotatably installed at the bottom of the conical groove 68, the collecting plate 69 is fixedly connected to the mounting bracket 59, and notches are formed on both sides of the collecting plate 69. During use, the second pulley 27 rotates counterclockwise, and the conical groove 68 scrapes the dust in the groove of the second pulley 27, making the surface of the groove smooth, reducing the friction with the belt 28, improving the transmission effect, and thus improving the energy-saving effect. The scraped dust falls onto the surface of the collecting plate 69. Since the convex block 62 is provided on the surface of the tensioning roller 60, the tensioning roller 60 can drive the tensioning roller 60 and the mounting bracket 59 to vibrate while rotating, so that the connected collecting plate 69 rotates, facilitating the dust to fall from the collecting plate 69 and being blown off through the second dust removal hole 66. When the second pulley 27 rotates clockwise, the conical groove 68 scrapes the dust in the groove of the second pulley 27 and falls onto the surface of the belt 28. When the belt 28 rotates to the tensioning roller 60, it is blown off through the second dust removal hole 66 through the notch.

[0037] Embodiment 4: Reference Figure 6 and Figure 7 , a tooth 32 is fixedly installed on the outer surface of one side of the second pulley 27, a reduction gearbox 33 is fixedly installed on the lower surface of the top of the L-shaped plate 30, and the gears inside the reduction gearbox 33 are meshed with the tooth 32. During use, the second pulley 27 rotates to drive the tooth 32 to rotate, thereby driving the gears of the reduction gearbox 33 meshed with it to rotate.

[0038] Furthermore, reference Figures 6 - 9, a conical oil storage tank 31 is fixedly installed at the top of the L-shaped plate 30, and the bottom of the oil storage tank 31 is communicated with the oil injection hole of the bearing 26. The top of the oil storage tank 31 is threadedly installed with a top cover 34. A partition plate 42 is fixedly installed inside the oil storage tank 31. The upper surface of the partition plate 42 and the internal space of the oil storage tank 31 are filled with lubricating oil. A rotating shaft 43 is rotatably installed inside the oil storage tank 31 and is in gear transmission connection with the gears inside the reduction gearbox 33. An eccentric disc 44 is fixedly installed on the surface of the rotating shaft 43. A top plate 45 is slidably installed inside the oil storage tank 31 and above the eccentric disc 44. A connecting pipe 46 is fixedly installed inside the top plate 45. The top end of the top plate 45 is sealed. The connecting pipe 46 slidably penetrates through the partition plate 42, and an oil inlet hole 47 is opened at the top of the connecting pipe 46. During use, the reduction gearbox 33 rotates to drive the rotating shaft 43 to rotate. When the rotating shaft 43 rotates, it drives the eccentric disc 44 to rotate, causing the eccentric disc 44 to squeeze the top plate 45 to move upward, thereby driving the connected connecting pipe 46 to slide upward inside the partition plate 42, so that the oil inlet hole 47 pops out of the partition plate 42. At this time, the lubricating oil flows into the connecting pipe 46 from the oil inlet hole 47. When the eccentric part of the eccentric disc 44 rotates downward, the top plate 45 moves downward, causing the oil inlet hole 47 to be received into the partition plate 42, stopping the addition of lubricating oil, avoiding continuous addition of lubricating oil, and preventing excessive lubrication addition, which will increase the friction and resistance inside the bearing 26, resulting in an increase in energy loss during the operation of the bearing 26. The intermittent addition method greatly improves the use effect and energy-saving effect. Further, referring to Figure 9 , a floating plate 48 is slidably installed inside the oil storage tank 31 and below the eccentric disc 44. The bottom of the connecting pipe 46 slidably penetrates through the floating plate 48. A control switch 49 that cooperates with the floating plate 48 is fixedly installed inside the oil storage tank 31. An electromagnetic valve 50 is provided at the bottom of the oil storage tank 31. During use, the lubricating oil inside the connecting pipe 46 first flows into the bottom of the oil storage tank 31. As more and more lubricating oil flows in, the floating plate 48 floats upward. When the floating plate 48 contacts the control switch 49, the control switch 49 controls the electromagnetic valve 50 to work and injects the lubricating oil into the bearing 26 for lubrication, reducing the energy loss during the rotation of the second pulley 27 and improving the energy-saving effect.

[0039] Further, referring to Figures 7 - 9 , a conduit 51 is communicated with the bottom of the oil storage tank 31. An electromagnetic valve 50 is also provided in the middle of the conduit 51. A sponge block 52 is fixedly installed on the surface of the reduction gearbox 33. The conduit 51 penetrates through the inside of the sponge block 52. During use, the conduit 51 sends the lubricating oil into the inside of the sponge block 52, so that the sponge block 52 then coats the lubricating oil on the surface of the tooth 32 for lubrication, reducing the friction between the tooth 32 and the reduction gearbox 33.

[0040] Further, referring to Figure 9 and Figure 10, at the top end of the connecting pipe 46, a plurality of mesh plates 38 are fixedly installed. A plurality of mesh holes 39 are formed inside the mesh plate 38. Inside the mesh hole 39, a conical dispersion cone 40 is rotatably installed. Thread grooves 41 are formed on the surface of the dispersion cone 40. During use, the connecting pipe 46 moves up and down to drive the connected mesh plate 38 to move. During the movement, the mesh plate 38 and the conical dispersion cone 40 can cut the internal lubricating oil up and down, avoiding the precipitation phenomenon of the lubricating oil after being placed for a long time, which affects the use effect of the lubricating oil. At the same time, with the setting of the conical dispersion cone 40 and the thread grooves 41, when the mesh plate 38 moves, affected by the frictional force of the lubricating oil, the dispersion cone 40 can rotate to improve the dispersion effect of the lubricating oil and avoid precipitation.

[0041] Further, referring to Figure 9 , inside the top cover 34, a detection rod 35 is slidably installed. At the top of the detection rod 35, a detection head 36 is fixedly installed. At the bottom of the detection rod 35, a floating rod 37 that slides inside the mesh plate 38 is fixedly installed. During use, when the lubricating oil in the oil storage tank 31 is full, the floating rod 37 is buoyed by the lubricating oil, making the detection head 36 at the uppermost end. When the lubricating oil gradually decreases, the detection head 36 slowly moves down. When the detection head 36 is at the lowermost end, it is convenient for the staff to observe, so that it can be added in time.

[0042] Further, referring to Figure 6 and Figure 8 , inside the inner side of the L-shaped plate 30, a collection shell 53 inserted inside the second pulley 27 is fixedly installed and is in rotational cooperation with the second pulley 27. When new lubricating oil is injected into the bearing 26 and the old lubricating oil is discharged, it falls into the collection shell 53. Inside the bottom plate 29, a collection box 54 is provided. The collection box 54 is communicated with the collection shell 53 and is used to collect the old lubricating oil falling from the bottom of the collection shell 53, avoiding polluting the surrounding working environment and facilitating its recycling.

[0043] Working principle: When the traction machine 11 drives the freight elevator to move up and down, it drives the first pulley 25 to rotate. The first pulley 25 rotates to drive the second pulley 27 to rotate through the belt 28, so that the generator 19 generates electricity. By using the telescopic rod 57 and the third spring 58, the tensioning roller 60 abuts against the inner surface of the belt 28 to tension the belt 28. The sensor 61 monitors the mounting bracket 59 to avoid excessive stretching of the belt 28 and the tensioning roller 60 being unable to tension the belt 28. At this time, the electric push cylinder 21 works to push the support plate 17 to slide downwards, thereby driving the second pulley 27 to move to tension the belt 28 again. After the tensioning is completed, the sensor 61 detects the tensioning degree. When the optimal tensioning is reached, the electric push cylinder 21 stops working; The belt 28 drives the tensioning roller 60 to rotate, and the second dust removal hole 66 blows away the dust on the surface of the belt 28. The rotation of the tensioning roller 60 causes the tensioning roller 60 to drive the protrusion 62 to rotate, so that the arc surface 64 is deformed and shrinks inward, and the dust adhering to the surface of the belt 28 can be removed. The first dust removal hole 65 can blow out the removed dust. Since the protrusion 62 is made of rubber material, when one protrusion 62 shrinks inward, the other protrusion 62 opens outward, so that the dust adhering to the surface of the protrusion 62 falls off. At this time, the inclined second dust removal hole 66 blows away the detached dust, and the second pulley 27 rotates counterclockwise. The conical groove 68 scrapes the dust in the groove of the floating rod 37, and the scraped dust falls on the surface of the collecting plate 69. Since the projection 62 on the surface of the tensioning roller 60 can drive the tensioning roller 60 and the mounting frame 59 to vibrate while the tensioning roller 60 rotates, the connected collecting plate 69 rotates, which makes it easier for dust to fall from the collecting plate 69 and be blown off through the second dust removal hole 66. When the second pulley 27 rotates clockwise, the conical groove 68 scrapes the dust in the groove of the second pulley 27 and drops it on the surface of the belt 28. When the belt 28 rotates to the tensioning roller 60, it is blown off through the second dust removal hole 66. The rotation of the second pulley 27 drives the teeth 32 to rotate, thereby driving the gears inside the reduction gear box 33 meshing therewith to rotate. The rotation of the gears inside the reduction gear box 33 drives the rotating shaft 43 to rotate. When the rotating shaft 43 rotates, it drives the eccentric disk 44 to rotate, so that the eccentric disk 44 squeezes the top plate 45 to move upward, thereby driving the connecting pipe 46 connected thereto to slide upward inside the partition 42, so that the oil inlet hole 47 pushes out of the partition 42, and the lubricating oil flows from the oil inlet hole 47 into the connecting pipe 46. When the eccentric part of the eccentric disk 44 rotates downward, the top plate 45 moves downward so that the oil inlet hole 47 is received in the partition 42, and the oil stops. Add lubricating oil, and the lubricating oil inside the connecting pipe 46 will flow into the bottom of the oil storage tank 31. As more and more lubricating oil flows in, the floating plate 48 floats upward. When the floating plate 48 contacts the control switch 49, the control switch 49 controls the solenoid valve 50 to inject the lubricating oil into the bearing 26 for lubrication. The conduit 51 sends the lubricating oil into the sponge block 52, so that the sponge block 52 then applies the lubricating oil to the surface of the teeth 32 for lubrication. When the bearing 26 is injected with new lubricating oil, the old lubricating oil is discharged and falls into the collection shell 53. The collection box 54 collects the old lubricating oil falling from the bottom of the collection shell 53.

[0044] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not distinguish components by the difference in names, but by the difference in functions of the components. As used throughout the specification and claims, the term "comprising" is an open-ended term and should be interpreted as "comprising but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0045] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a good or system including a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such good or system. Without further limitation, an element defined by the phrase "including a..." does not exclude the presence of additional identical elements in the good or system including the element.

[0046] The above description shows and describes several preferred embodiments of the present application. However, as mentioned above, it should be understood that the present application is not limited to the forms disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the application concept described herein through the above teachings or the technology or knowledge in the relevant field. And any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present application shall fall within the protection scope of the appended claims of the present application.

Claims

1. An energy-saving control machine for a high-load freight elevator, comprising a base (10) and a traction machine (11), wherein the traction machine (11) is fixedly mounted on the upper surface of the base (10), characterized in that: A slide groove (12) is provided on the surface of the base (10), and a generator (19) is slidably installed inside the slide groove (12), so that the traction machine (11) can drive the generator (19) to recover energy during the process of lifting the elevator. A bearing (26) is provided on one side of the generator (19), and a transmission assembly is provided between the bearing (26) and the traction machine (11). An L-shaped plate (30) is provided on one side of the generator (19), and a fixed plate (55) is fixedly installed on one side of the L-shaped plate (30). A transverse plate (56) is fixedly mounted on the bottom end of the plate (55), a sensor (61) is fixedly mounted on the lower surface of the transverse plate (56), a mounting frame (59) is slidably mounted on the bottom of the transverse plate (56), a hollow tensioning roller (60) is rotatably mounted inside the mounting frame (59) for tensioning the transmission component, a dust removal component is disposed on the surface of the tensioning roller (60) for removing dust accumulated on the surface of the transmission component, and a lubrication mechanism is disposed on the top of the L-shaped plate (30) for lubricating the bearing (26).

2. The energy-saving controller for a high-load freight elevator according to claim 1 is characterized in that: The transmission assembly comprises a first pulley (25) fixedly mounted on the end of the rotating shaft of the traction machine (11) and a second pulley (27) fixedly mounted on the outer ring of the bearing (26), and a belt (28) is installed between the second pulley (27) and the first pulley (25) for transmission.

3. The energy-saving controller for a high-load freight elevator according to claim 1 is characterized in that: A slider (13) is arranged inside the slide groove (12), a plurality of slide rods (14) are slidably mounted on the lower surface of the slider (13), a connecting block (15) is fixedly mounted on the lower surface of the slide rod (14), the lower surface of the connecting block (15) is arranged in an arc shape, and a first spring (16) is fixedly mounted between the upper surface of the connecting block (15) and the lower surface of the slider (13).

4. The energy-saving controller for a high-load freight elevator according to claim 3 is characterized in that: The upper surface of the slider (13) is provided with a groove, and a U-shaped mounting plate (18) is fixedly mounted on the top of the slider (13); the upper surface of the mounting plate (18) and the lower surface of the generator (19) are fixed to each other, and a sound-absorbing pad (20) is fixedly mounted between the lower surface mounting plate (18) and the upper surface of the slider (13).

5. The energy-saving controller for a high-load freight elevator according to claim 4 is characterized in that: A support rod (23) is fixedly mounted on one side of the slide block (13) and slides on one side of the slide groove (12); a second spring (24) is fixedly mounted between the support rod (23) and the slide groove (12); and an alarm switch (22) is fixedly mounted on one side of the slide groove (12).

6. The energy-saving controller for a high-load freight elevator according to claim 1, characterized in that: The dust removal component comprises a protrusion (62) fixedly mounted on the surface of the tensioning roller (60), the protrusion (62) being arranged in a trapezoidal shape and being made of a rubber material, a semicircular rough surface (63) being arranged on the top of the protrusion (62), concave arc surfaces (64) being arranged on both sides of the protrusion (62), a first dust removal hole (65) being opened on the surface of the arc surface (64), a plurality of the first dust removal holes (65) being interconnected with the interior of the tensioning roller (60), a plurality of second dust removal holes (66) being arranged on both sides of each protrusion (62) on the surface of the tensioning roller (60), the second dust removal holes (66) being arranged in an inclined shape, and the top end opening of the second dust removal hole (66) is facing the adjacent protrusion (62).

7. The energy-saving controller for a high-load freight elevator according to claim 1, characterized in that: A connecting plate (67) is fixedly mounted on one side of the mounting frame (59); a conical groove (68) abutting against the second pulley (27) is fixedly mounted on one end of the connecting plate (67); the interior of the conical groove (68) is larger at the top and smaller at the bottom; a collecting plate (69) is rotatably mounted on the bottom end of the conical groove (68); and the bottom end of the mounting frame (59) is fixed to the mounting frame (59).

8. The energy-saving controller for a high-load freight elevator according to claim 1, characterized in that: The lubrication mechanism comprises an oil storage tank (31) fixedly mounted on the top of the L-shaped plate (30), the oil storage tank (31) being arranged in a cone shape and being communicated with the oil filling hole of the bearing (26), a reduction gear box (33) being fixedly mounted on the lower surface of the top of the L-shaped plate (30), a gear (32) being arranged on one side of the internal gear of the reduction gear box (33), the gear (32) being fixedly mounted on the outer surface of the second pulley (27), and a gear (32) being rotatably mounted inside the oil storage tank (31) and being connected to the reduction gear box (33). A rotating shaft (43) connected by an internal gear transmission, eccentric discs (44) are fixedly installed at both ends of the rotating shaft (43), a top plate (45) used in conjunction with the eccentric disc (44) is slidably installed inside the oil storage tank (31), a partition (42) is fixedly installed inside the oil storage tank (31) and located above the top plate (45), a connecting pipe (46) slidingly penetrating inside the partition (42) is fixedly installed inside the top plate (45), and an oil inlet hole (47) is opened on the outer side of the connecting pipe (46).

9. The energy-saving controller for a high-load freight elevator according to claim 8, characterized in that: A floating plate (48) is slidably mounted inside the oil storage tank (31) below the eccentric disk (44) and penetrated by the bottom of the connecting pipe (46), and is slidably matched with the connecting pipe (46). A control switch (49) used in conjunction with the floating plate (48) is fixedly mounted inside the oil storage tank (31), and a solenoid valve (50) is provided at the bottom of the oil storage tank (31). A sponge block (52) used in conjunction with the teeth (32) is fixedly mounted on the front surface of the reduction gear box (33), and a conduit (51) connected to the sponge block (52) is fixedly connected to the bottom of the oil storage tank (31).

10. The energy-saving controller for a high-load freight elevator according to claim 9, characterized in that: A plurality of mesh plates (38) fixed to each other are fixedly installed inside the oil storage tank (31) and at the top end of the connecting pipe (46), a plurality of mesh holes (39) are provided on the surface of the mesh plates (38), a conical dispersion cone (40) is rotatably installed inside the mesh holes (39), and a threaded groove (41) is provided on the surface of the dispersion cone (40).

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