A cage hoisting power generation device for a shaft

Abstract

The application relates to the technical field of mine equipment, in particular to cage lifting power generation equipment for a vertical shaft, which comprises a derrick, a cage slidingly arranged on the derrick, a lifting mechanism and a power generation mechanism arranged on the top of the cage, the lifting mechanism is composed of a fixing base arranged on the top of the cage, a limiting steel cable arranged on the outer side of the cage and a cage damping assembly arranged on the bottom of the cage and the derrick seat, and the power generation mechanism comprises a fixing support arranged on the top of the cage, a first pulley seat, a first pulley, a second pulley seat, a second pulley, a direct current generator and a power supply box; the application is provided with detachable insulating rubber layers outside the rollers on the power generation mechanism, so that the whole roller does not need to be completely disassembled during maintenance, the maintenance efficiency is improved, the service life of the power generation mechanism and the limiting steel cable is prolonged through the steel cable protection assembly and the slide rail cleaning brush, and the stability during cage lifting is improved through the cooperation of the limiting steel cable and the side ear and the arrangement of the side surface sliding assembly.

Description

Technical Field

[0001] This invention relates to the field of mining equipment technology, specifically to a cage hoisting and power generation device for vertical shafts. Background Technology

[0002] Drilling hoisting cages are crucial containers used in drilling operations for the vertical hoisting of personnel, materials, and equipment. Their structural design and safety devices ensure the stability and safety of the hoisting process. Structural components include: The cage body is typically a metal frame structure composed of beams and columns, with steel plates cladding the sides. The top of the cage features a semi-circular water-spraying canopy and an openable lid for transporting long materials, with curtain-type doors at both ends. The bottom of the cage is equipped with tracks for easy access for mine cars or other loading containers, and also includes car stoppers and automatic opening / closing devices to prevent mine cars from moving during hoisting. The connecting device connects the cage to the hoisting wire rope via a main tie rod and double-sided clamping wedge rings, ensuring stable hoisting and lowering. Multi-rope cages also include a wire rope tension balancing device to automatically adjust the tension of each rope. The guiding device consists of cage lugs or roller lugs that work in conjunction with the guide rails within the shaft to guide the cage smoothly along the fixed tracks. There are various types of cage tracks, including wire rope cage tracks, rail cage tracks, and combined steel cage tracks; the fall arrestor is a key safety device for the cage. When the hoisting wire rope or connecting device breaks, the fall arrestor can act quickly to support the cage stably on the cage track or brake rope in the shaft, preventing the cage from falling to the bottom of the shaft.

[0003] The internal power supply for vertical shaft cages, such as lighting and control components, generally requires external wiring. However, due to the long length of vertical shafts in mines, the wiring distance is long, making installation inconvenient and costly. Furthermore, the high temperature and humidity inside mines cause the wire insulation to age quickly. Therefore, modern cages typically have their own power supply, usually a self-generating and automatically charging system. However, conventional cage power generation uses the friction between rollers and rails to rotate the rollers, driving a generator. This method requires close contact between the rollers and rails, and prolonged friction causes significant wear on the rubber layer of the rollers, requiring extended downtime for maintenance and impacting mine production efficiency. To ensure stable power generation, the roller friction needs to be stable, leading to high temperatures at the friction points. Especially in coal mines, such temperature increases pose a serious accident risk.

[0004] In addition, the material inside the cage exerts great pressure on the bottom of the cage during lifting, which may cause the bottom to deform. Furthermore, the uneven distribution of the material inside the cage during lifting makes its center of gravity unstable, resulting in unstable friction between the rollers and the slide rails. This not only affects the stability of power generation, but also poses a risk of derailment due to uneven force on the rollers during lifting.

[0005] In addition, there is a certain amount of dust in the mine shaft. This dust will stick to the steel cables and slide rails. During the operation of the cage, this dust will cause significant wear to the contact points between the cage and the steel cables and slide rails, affecting the service life of the entire equipment. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a cage-lifting power generation device for vertical shafts, which has better shock absorption, improves power generation and lifting stability, facilitates maintenance, and extends the overall service life of the equipment, thus solving the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a cage hoisting power generation device for a vertical shaft, comprising a shaft frame, a cage slidably disposed with the shaft frame, and a hoisting mechanism and a power generation mechanism installed on the top of the cage. The shaft frame is disposed inside the vertical shaft, and a shaft frame base is installed at the bottom of the shaft frame. A lifting slide rail is provided on the inner wall of the shaft frame, and the cage is disposed inside the shaft frame, with the cage and the lifting slide rail being slidably disposed.

[0008] The hoisting mechanism consists of a fixed seat installed on the top of the cage, a limiting steel cable set on the outside of the cage, and a cage shock absorption assembly installed on the bottom of the cage and the derrick seat. Side ears are symmetrically distributed on the outer wall of the fixed seat, and ball bearings are arranged in a circular array on the inner wall of the side ears. The limiting steel cable passes through the side ears, and the limiting steel cable and the ball bearings are in contact.

[0009] The power generation mechanism includes a fixed bracket mounted on the top of the cage, a first pulley seat, a first pulley, a second pulley seat, a second pulley, a DC generator, and a power supply box. The fixed bracket is equipped with a retaining spring and a damper. The retaining spring is connected to the first pulley seat, and the first pulley seat is slidably connected to the fixed bracket. The first pulley is mounted inside the first pulley seat via a connecting shaft. The second pulley seat is arranged side by side with the first pulley seat, and the second pulley is located inside the second pulley seat. The input end of the DC generator is driven by the connecting shaft of the first pulley via a jaw coupling.

[0010] Preferably, the inner wall of the lifting slide rail is provided with two sets of first slide rails and second slide rails that are symmetrically distributed. The lifting slide rail located between the first slide rail and the second slide rail is provided with a middle groove. The outer wall of the cage is provided with a side sliding assembly. The side sliding assembly consists of a side fixing plate and a limiting sliding wheel. Multiple sets of limiting sliding wheels are provided and are distributed in a diamond shape. The multiple sets of limiting sliding wheels are slidably configured with the first slide rail, the second slide rail and the middle groove respectively.

[0011] Preferably, a rope puller is installed on the derrick base, the bottom of the limiting steel cable is connected to the rope puller, and a steel cable protection assembly is installed on the side ear. The steel cable protection assembly consists of a rotating rod installed on the side ear, a first steel cable cleaning brush and a second steel cable cleaning brush rotatably connected to the rotating rod, and a coil spring is provided between the first steel cable cleaning brush and the second steel cable cleaning brush and the rotating rod. The ends of the first steel cable cleaning brush and the second steel cable cleaning brush are both semi-circular ring designs, and the inner brush plates of the first steel cable cleaning brush and the second steel cable cleaning brush abut against the limiting steel cable.

[0012] Preferably, the cage shock absorption assembly consists of two sets of symmetrically distributed bottom supports installed at the bottom of the cage and a spring seat set on the derrick seat. The derrick seat has a bottom groove, the spring seat is set inside the bottom groove, and an internal shock absorption plate is provided on the inner bottom wall of the cage.

[0013] Preferably, the bottom of the cage is equipped with a fall arrestor, and the outer wall of the lifting slide rail is equipped with side blocks arranged in a linear array, with the end of the fall arrestor and the side blocks being snapped together.

[0014] Preferably, the power generation mechanism is provided in two sets, respectively set on one side of the two lifting slide rails on the derrick. The fixed bracket is fixedly installed on the top of the cage. A cleaning frame is provided on both the first pulley seat and the second pulley seat. A slide rail cleaning brush is slidably installed on the top of the cleaning frame. A rotating knob is threaded to the end of the slide rail cleaning brush. The rotating knob is rotatably connected to the end of the cleaning frame. A collection trough is installed at the bottom of the end of the slide rail cleaning brush. The collection trough is inclined. A temperature sensor alarm is installed on both the first pulley seat and the second pulley seat. The detection end of the temperature sensor alarm is directly facing the first pulley and the second pulley.

[0015] Preferably, the first pulley and the second pulley have the same structure. The first pulley consists of a central wheel and an insulating rubber layer. The outer edge of the central wheel is provided with a plurality of meshing teeth arranged in a circumferential array. The insulating rubber layer is elongated and its length just covers the central wheel. The inner side of the insulating rubber layer is provided with tooth grooves that match the meshing teeth. The width of the insulating rubber layer is the same as the width of the central wheel. The outer surface of the insulating rubber layer is provided with friction grooves.

[0016] Preferably, the two ends of the insulating rubber layer are stepped and fit together. The two ends of the insulating rubber layer are connected by fixing pins. Two sets of side protective plates are provided on the outer side of the center wheel. The side protective plates are connected to the outer side wall of the center wheel and the outer side wall of the insulating rubber layer by connecting bolts.

[0017] Preferably, a side bracket is installed on the outer wall of the fixed bracket, a shock-absorbing pad is installed on the top of the side bracket, the DC generator is placed on the shock-absorbing pad, a shock-absorbing protective bracket is installed at the bottom of the power supply box, a battery and an inverter are installed inside the power supply box, and an electrical control box is installed in the middle of the top of the cage.

[0018] Beneficial effects

[0019] Compared with the prior art, the present invention provides a cage-lifting power generation device for vertical shafts, which has the following beneficial effects:

[0020] 1. The cage-lifting power generation equipment in this vertical shaft features removable insulating rubber layers on the rollers of the power generation mechanism. When the rollers experience significant wear while moving on the lifting rails, the insulating rubber layers can be quickly replaced without completely disassembling the entire roller, thus improving maintenance efficiency and consequently enhancing the mine's production benefits. Furthermore, the temperature sensor alarm allows for real-time monitoring of the temperature of the first and second pulleys, preventing excessively high temperatures during friction that could pose a significant accident risk to the mine.

[0021] 2. The cage-lifting power generation equipment in this vertical shaft, through the installation of steel cable protection components and slide rail cleaning brushes, can clean dust particles adhering to the limit steel cables and lifting slide rails, reducing the wear and tear on the components on the cage when the cage moves, and improving the service life of the power generation mechanism and the limit steel cables.

[0022] 3. The cage lifting and power generation equipment for the vertical shaft, through the cooperation of the limiting steel cable and the side lugs and the setting of the side sliding components, ensures that the cage can be raised and lowered vertically stably during the lifting process, preventing the phenomenon of derailment due to instability of the center of gravity, thus improving the stability of the cage during lifting, and thereby improving the power generation stability of the equipment.

[0023] 4. The vertical shaft cage hoisting power generation equipment, through the installation of shock-absorbing pads and shock-absorbing protective supports, can effectively improve the shock absorption and buffering effect of the power generation components during the cage hoisting process, and extend the service life of the power generation components. In addition, the installation of cage shock-absorbing components can effectively reduce the pressure on the bottom of the cage when the cage is hoisting and stopping, prevent the bottom of the cage from deforming, and extend the service life of the cage. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic cross-sectional view of the present invention;

[0026] Figure 3 This is a top view of the structure of the present invention;

[0027] Figure 4This is a schematic diagram of the structure of the cage of the present invention;

[0028] Figure 5 This is a schematic diagram of the power generation mechanism of the present invention;

[0029] Figure 6 This is a schematic diagram of the assembly structure of the fixing bracket of the present invention;

[0030] Figure 7 This is a three-dimensional structural schematic diagram of the first pulley of the present invention;

[0031] Figure 8 This is a schematic diagram of the internal cross-sectional structure of the first pulley of the present invention;

[0032] Figure 9 This is a schematic diagram of the power supply box of the present invention;

[0033] Figure 10 For the present invention Figure 4 A magnified structural diagram of part A in the middle.

[0034] In the diagram: 1. Derrick; 101. Lifting rail; 102. First slide rail; 103. Second slide rail; 104. Central groove; 105. Side locking block; 106. Derrick base; 2. Cage; 3. Fixed base; 301. Lifting ring; 4. Limiting steel cable; 5. Rope puller; 6. Side lug; 601. Ball bearing; 7. Side fixing plate; 8. Limiting sliding wheel; 9. Rotating rod; 10. First steel cable cleaning brush; 11. Second steel cable cleaning brush; 12. Fall arrestor; 13. Internal shock absorber; 14. Bottom support; 15. Bottom groove; 16. Spring seat; 17. Fixed bracket; 18. Abutment spring; 19. Damper; 2 0. First pulley seat; 2001. Sweeping frame; 2002. Slide rail sweeping brush; 2003. Rotating knob; 2004. Collection trough; 21. First pulley; 2101. Center wheel; 2102. Insulating rubber layer; 2103. Fixing pin; 2104. Side guard plate; 2105. Connecting bolt; 22. Second pulley seat; 23. Second pulley; 24. Side bracket; 25. Shock-absorbing pad; 26. DC generator; 27. Jaw coupling; 28. Power supply box; 2801. Battery; 2802. Inverter; 29. ​​Shock-absorbing protective bracket; 30. Electrical control box; 31. Temperature sensor alarm. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Example 1

[0037] For one embodiment of the present invention, please refer to [link / reference]. Figures 1 to 4 A cage hoisting power generation device for a vertical shaft includes a shaft frame 1, a cage 2 slidably disposed with the shaft frame 1, and a hoisting mechanism and a power generation mechanism installed on the top of the cage 2. The shaft frame 1 is disposed inside the vertical shaft, and a shaft frame base 106 is installed at the bottom of the shaft frame 1. A lifting slide rail 101 is provided on the inner wall of the shaft frame 1. The cage 2 is disposed inside the shaft frame 1, and the cage 2 and the lifting slide rail 101 are slidably disposed.

[0038] The inner wall of the lifting slide rail 101 is provided with two sets of symmetrically distributed first slide rail 102 and second slide rail 103. The lifting slide rail 101 located between the first slide rail 102 and the second slide rail 103 is provided with a middle groove 104. The outer wall of the cage 2 is provided with a side sliding assembly, which consists of a side fixing plate 7 and a limiting sliding wheel 8. There are multiple sets of limiting sliding wheels 8, which are distributed in a diamond shape. The multiple sets of limiting sliding wheels 8 are slidably configured with the first slide rail 102, the second slide rail 103 and the middle groove 104 respectively.

[0039] The hoisting mechanism consists of a fixed base 3 installed on the top of the cage 2, a limiting steel cable 4 set on the outside of the cage 2, and a cage shock absorption assembly installed on the bottom of the cage 2 and the derrick base 106. Side ears 6 are symmetrically distributed on the outer wall of the fixed base 3, and ball bearings 601 arranged in a circular array are provided on the inner wall of the side ears 6. The limiting steel cable 4 passes through the side ears 6, and the limiting steel cable 4 and the ball bearings 601 are in contact.

[0040] The power generation mechanism includes a fixed bracket 17 mounted on the top of the cage 2, a first pulley seat 20, a first pulley 21, a second pulley seat 22, a second pulley 23, a DC generator 26, and a power supply box 28. The fixed bracket 17 is equipped with a retaining spring 18 and a damper 19. The retaining spring 18 is connected to the first pulley seat 20, and the first pulley seat 20 is slidably connected to the fixed bracket 17. The first pulley 21 is mounted inside the first pulley seat 20 through a connecting shaft. The second pulley seat 22 is arranged side by side with the first pulley seat 20, and the second pulley 23 is located inside the second pulley seat 22. The input end of the DC generator 26 is connected to the connecting shaft of the first pulley 21 through a jaw coupling 27.

[0041] Specifically, during use, the equipment is connected to the lifting ring 301 of the fixed seat 3 via a hoist outside the drilling site using a hook at the bottom of a steel wire rope (the lifting ring 301 is rotatably connected to the fixed seat 3). The symmetrical fixed seats 3 improve the stability during hoisting. This equipment is generally used for hoisting ore or personnel. During hoisting, ore or personnel can be sent into the cage 2, and then the door of the cage 2 is closed. Then, the ore or personnel are hoisted by controlling the external hoist. During the hoisting process, the limiting sliding wheel 8, the first pulley 21, and the second pulley 23 roll on the lifting rail 101. In addition, the limiting steel cable 4 passes through the side lug 6. The above design can effectively solve the problem of uneven placement of personnel or ore inside the cage 2, which causes the center of gravity to shift. It not only reduces the probability of the first pulley 21 and the second pulley 23 in the power generation mechanism derailing, but also improves the stability of power generation by using two sets of symmetrical pulley power generation components.

[0042] When cage 2 moves, the first pulley 21 and the second pulley 23 on the generator mechanism installed on its top are always in close contact with the lifting rail 101 under the action of the abutment spring 18, ensuring the stable rotation of the first pulley 21 and the second pulley 23. The rotation of the first pulley 21 and the second pulley 23 drives the DC generator 26 (the power generation of the DC generator 26 is existing technology and will not be described in detail here) through the transmission shaft and the jaw coupling 27 to generate electricity. The generated electrical energy is stored in the power supply box 28 to power the lighting and other electrical equipment inside cage 2.

[0043] Example 2

[0044] As one embodiment of the present invention, please refer to Figure 4 and Figure 10 A cage-lifting power generation device for a vertical shaft, based on the embodiments, further includes a rope puller 5 installed on the shaft base 106, the bottom of the limiting steel cable 4 connected to the rope puller 5, and a steel cable protection assembly installed on the side ear 6. The steel cable protection assembly consists of a rotating rod 9 installed on the side ear 6, a first steel cable cleaning brush 10 rotatably connected to the rotating rod 9, and a second steel cable cleaning brush 11. A coil spring is provided between the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 and the rotating rod 9. The ends of the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 are both semi-circular ring designs, and the inner brush plates of the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 abut against the limiting steel cable 4.

[0045] Specifically, a steel cable protection assembly is used to clean the dust on the limiting steel cable 4. Since the ends of the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 are equipped with coil springs, the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 are always in contact with the limiting steel cable 4, which improves the dust cleaning effect. In addition, the ball bearing 601 set inside the side ear 6 can reduce the friction on the limiting steel cable 4, reduce the heat generated by friction, and reduce the contamination of the lubricating grease on the limiting steel cable 4.

[0046] In addition, the steel cable protection components located on the bottom side ears of cage 2 are symmetrically arranged with the steel cable protection components located on the top side ears of cage 2. The first steel cable cleaning brush 10 is located outside the second steel cable cleaning brush 11. The first steel cable cleaning brush 10 is a dust cleaning brush, and the second steel cable cleaning brush 11 is an oil brush. An oil seal is installed on the outside of the second steel cable cleaning brush 11. The directions of the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 on the top side ears of cage 2 are opposite to those of the first steel cable cleaning brush 10 and the second steel cable cleaning brush 11 on the bottom side ears of cage 2. This allows the cage 2 to automatically clean the dust on the limiting steel cable 4 before applying grease when it moves on the limiting steel cable 4, thereby reducing the wear between the limiting steel cable 4 and the side ears 6 and improving its service life.

[0047] Example 3

[0048] As one embodiment of the present invention, please refer to Figure 1 and Figure 2 Based on Embodiment 1, this application further includes a cage shock absorption assembly consisting of two sets of symmetrically distributed bottom supports 14 installed at the bottom of the cage 2 and a spring seat 16 set on the derrick seat 106. The derrick seat 106 has a bottom groove 15, and the spring seat 16 is located inside the bottom groove 15. A fall arrestor 12 is provided at the bottom of the cage 2. Side blocks 105 arranged in a linear array are provided on the outer wall of the lifting slide rail 101. The end of the fall arrestor 12 is engaged with the side blocks 105.

[0049] Specifically, during the lifting process of cage 2, due to the excessive weight of the ore inside, the bottom of cage 2 experiences excessive pressure under overload conditions. To protect the bottom of cage 2, an internal shock-absorbing plate 13 is installed on the inner bottom wall of cage 2 to buffer the pressure exerted by the ore on the bottom of cage 2 during lifting and stopping, thereby improving the protection effect of cage 2.

[0050] In addition, there is a risk of the hoisting cable breaking during the hoisting process of cage 2. Therefore, a fall arrestor 12 is usually installed at the bottom of cage 2. Its principle is that when the speed is lost or overspeed is lost, the gravity is unbalanced, the triggering mechanism is activated, the front part of the fall arrestor 12 extends quickly and locks onto the side block 105 of cage 2 to brake cage 2 quickly.

[0051] Example 4

[0052] As one embodiment of the present invention, please refer to Figure 5 , Figure 6 and Figure 9 Based on Embodiment 1, this application further includes two sets of power generation mechanisms, respectively set on one side of two lifting slide rails 101 on the derrick 1. A fixed bracket 17 is fixedly installed on the top of the cage 2. A cleaning frame 2001 is provided on both the first pulley seat 20 and the second pulley seat 22. A slide rail cleaning brush 2002 is slidably provided on the top of the cleaning frame 2001. A rotating knob 2003 is threadedly connected to the end of the slide rail cleaning brush 2002. The rotating knob 2003 is rotatably connected to the end of the cleaning frame 2001. A collection trough 2004 is installed at the bottom of the end of the slide rail cleaning brush 2002. The collection trough 2004 is inclined. A temperature sensor alarm 31 is installed on both the first pulley seat 20 and the second pulley seat 22. The detection end of the temperature sensor alarm 31 is directly facing the first pulley 21 and the second pulley 23.

[0053] A side bracket 24 is installed on the outer wall of the fixed bracket 17. A shock-absorbing pad 25 is installed on the top of the side bracket 24. A DC generator 26 is installed on the shock-absorbing pad 25. A shock-absorbing protective bracket 29 is installed at the bottom of the power supply box 28. A battery 2801 and an inverter 2802 are installed inside the power supply box 28. An electrical control box 30 is installed in the middle of the top of the cage 2.

[0054] Specifically, during the lifting process of cage 2, the first pulley 21 and the second pulley 23 are abutted against the lifting rail 101 by the abutment spring 18. During the lifting process of cage 2, the rotation of the first pulley 21 and the second pulley 23, as well as the action of the jaw coupling 27, drives the DC generator 26 to start and generate electricity. The generated electricity is then stored in the battery 2801 of the power supply box 28. When electricity is needed, the DC power is converted into AC power by the inverter 2802 and then used.

[0055] As cage 2 descends, the input shaft of DC generator 26 rotates in the reverse direction. Traditional brushed DC generators address the issue of changing the current direction within the windings through a symmetrical commutator design. The copper plates of the commutator correspond one-to-one with the armature winding coils and are symmetrically distributed in a ring, with the brushes fixed to the stator side. Regardless of whether the shaft rotates forward or backward, the commutator segments rotate synchronously with the shaft, and the brushes always contact the commutator segment with the "currently output positive current," thus fixing the direction of the external current.

[0056] Since slight vibrations are generated due to friction during lifting, a vibration damping pad 25 is installed at the bottom of the DC generator 26 and a vibration damping protective bracket 29 is installed at the bottom of the power supply box 28 to effectively reduce the impact of vibration on these devices.

[0057] In addition, dust will accumulate on the lifting slide rail 101 inside the mine, causing significant wear on the first pulley 21 and the second pulley 23. Dust will also enter the transmission components, affecting the transmission effect. Furthermore, the friction of the pulleys will generate a large amount of heat, which, especially in coal mines, can ignite flammable gases such as coal dust, posing a serious accident risk to the mine. Therefore, a temperature sensor alarm 31 is installed on one side of the pulley to monitor the pulley temperature in real time, reduce the risk of accidents, and improve safety.

[0058] In addition, the drive shaft of the first pulley 21 is connected to the DC generator 26 by a jaw coupling 27. The jaw coupling 27 is equipped with an electromagnetic control switch, which can function as a clutch. When the generator mechanism is under maintenance, the drive shaft of the first pulley 21 can be separated from the DC generator 26 through the jaw coupling 27 for easy maintenance.

[0059] Furthermore, during the process of lifting and generating electricity in cage 2, in order to reduce the impact of dust on the power generation mechanism, the dust needs to be removed. In this application, a slide rail cleaning brush 2002 is designed, and a coil spring is provided at the rotation point of the outer surface of the cleaning frame 2001 and the first pulley seat 20, so that the brush head of the slide rail cleaning brush 2002 can abut against the lifting slide rail 101 to clean the first slide rail 102, the second slide rail 103 and the middle groove 104 on the inner side of the lifting slide rail 101, remove the dust adhering to their surfaces, and improve the service life of the power generation mechanism.

[0060] Example 5

[0061] As one embodiment of the present invention, please refer to Figure 7 and Figure 8 Based on Embodiment 1, this application further includes a first pulley 21 and a second pulley 23 with the same structure. The first pulley 21 is composed of a central wheel 2101 and an insulating rubber layer 2102. The outer edge of the central wheel 2101 is provided with a plurality of meshing teeth arranged in a circumferential array. The insulating rubber layer 2102 is elongated and its length just covers the central wheel 2101. The inner side of the insulating rubber layer 2102 is provided with tooth grooves that are adapted to the meshing teeth. The width of the insulating rubber layer 2102 is the same as the width of the central wheel 2101. The outer surface of the insulating rubber layer 2102 is provided with friction grooves.

[0062] The two ends of the insulating rubber layer 2102 are stepped and fit together. The two ends of the insulating rubber layer 2102 are connected by fixing pins 2103. Two sets of side protective plates 2104 are provided on the outer side of the center wheel 2101. The side protective plates 2104 are connected to the outer side wall of the center wheel 2101 and the outer side wall of the insulating rubber layer 2102 by connecting bolts 2105.

[0063] Generally, when the pulleys of a power generation mechanism are severely worn, timely inspection and replacement are necessary. Traditional replacement methods typically require complete disassembly of the entire pulley, which is time-consuming and not only affects production efficiency but also causes wear between components after each disassembly and reassembly, reducing their service life. Therefore, the first pulley 21 and the second pulley 23 designed in this application feature an insulating rubber layer 2102 wrapped around the outside of the central wheel 2101, using an interlocking mechanism to prevent slippage of the insulating rubber layer 2102. When the insulating rubber layer 2102 is severely worn, it can be separated from the central wheel 2101 by removing the fixing pin 2103 and the side protective plate 2104, and then a new insulating rubber layer 2102 can be replaced. In this way, it is not necessary to completely disassemble the first pulley 21 and the second pulley 23, which greatly improves maintenance efficiency and extends the service life of the power generation mechanism components.

[0064] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0065] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cage-lifting power generation device for a vertical shaft, comprising a shaft frame (1), a cage (2) slidably disposed with the shaft frame (1), and a lifting mechanism and a power generation mechanism installed on the top of the cage (2), characterized in that: The derrick (1) is installed inside the vertical shaft, and a derrick base (106) is installed at the bottom of the derrick (1). A lifting slide rail (101) is installed on the inner wall of the derrick (1). The cage (2) is installed inside the derrick (1), and the cage (2) and the lifting slide rail (101) are slidably connected. The hoisting mechanism consists of a fixed seat (3) installed on the top of the cage (2), a limiting steel cable (4) set on the outside of the cage (2), and a cage shock absorption assembly installed on the bottom of the cage (2) and the derrick seat (106). Side ears (6) are symmetrically distributed on the outer wall of the fixed seat (3), and ball bearings (601) arranged in a circular array are provided on the inner wall of the side ears (6). The limiting steel cable (4) passes through the side ears (6), and the limiting steel cable (4) and the ball bearings (601) are in contact. The power generation mechanism includes a fixed bracket (17) set on the top of the cage (2), a first pulley seat (20), a first pulley (21), a second pulley seat (22), a second pulley (23), a DC generator (26), and a power supply box (28). The fixed bracket (17) is equipped with a retaining spring (18) and a damper (19). The retaining spring (18) is connected to the first pulley seat (20). The first pulley seat (20) is slidably connected to the fixed bracket (17). The first pulley (21) is installed inside the first pulley seat (20) through a connecting shaft. The second pulley seat (22) is arranged side by side with the first pulley seat (20). The second pulley (23) is set inside the second pulley seat (22). The input end of the DC generator (26) is connected to the connecting shaft of the first pulley (21) through a toothed coupling (27). The first pulley (21) has the same structure as the second pulley (23). The first pulley (21) consists of a central wheel (2101) and an insulating rubber layer (2102). The outer edge of the central wheel (2101) is provided with multiple meshing teeth arranged in a circumferential array. The insulating rubber layer (2102) is elongated and its length just covers the central wheel (2101). The inner side of the insulating rubber layer (2102) is provided with tooth grooves that match the meshing teeth. The width of the insulating rubber layer (2102) is the same as the width of the central wheel (2101). The outer surface of the insulating rubber layer (2102) is provided with friction grooves. The two ends of the insulating rubber layer (2102) are stepped and cooperate with each other. The two ends of the insulating rubber layer (2102) are connected by fixing pins (2103). Two sets of side guard plates (2104) are provided on the outer side of the center wheel (2101). The side guard plates (2104) are connected to the outer side wall of the center wheel (2101) and the outer side wall of the insulating rubber layer (2102) by connecting bolts (2105).

2. The cage hoisting power generation equipment for vertical shafts according to claim 1, characterized in that: The inner wall of the lifting slide rail (101) is provided with two sets of symmetrically distributed first slide rail (102) and second slide rail (103). The lifting slide rail (101) located between the first slide rail (102) and the second slide rail (103) is provided with a middle groove (104). The outer wall of the cage (2) is provided with a side sliding assembly. The side sliding assembly consists of a side fixing plate (7) and a limiting sliding wheel (8). There are multiple sets of limiting sliding wheels (8) and they are distributed in a diamond shape. The multiple sets of limiting sliding wheels (8) are slidably set with the first slide rail (102), the second slide rail (103) and the middle groove (104) respectively.

3. The cage hoisting power generation equipment for vertical shafts according to claim 1, characterized in that: A rope puller (5) is installed on the derrick base (106). The bottom of the limiting steel cable (4) is connected to the rope puller (5). A steel cable protection assembly is installed on the side ear (6). The steel cable protection assembly consists of a rotating rod (9) installed on the side ear (6), a first steel cable cleaning brush (10) rotatably connected to the rotating rod (9), and a second steel cable cleaning brush (11). A coil spring is provided between the first steel cable cleaning brush (10) and the second steel cable cleaning brush (11) and the rotating rod (9). The ends of the first steel cable cleaning brush (10) and the second steel cable cleaning brush (11) are both semi-circular ring designs. The inner brush plates of the first steel cable cleaning brush (10) and the second steel cable cleaning brush (11) abut against the limiting steel cable (4).

4. The cage hoisting power generation equipment for vertical shafts according to claim 1, characterized in that: The cage shock absorption assembly consists of two sets of symmetrically distributed bottom supports (14) installed at the bottom of the cage (2) and a spring seat (16) set on the derrick seat (106). The derrick seat (106) has a bottom groove (15) and the spring seat (16) is set inside the bottom groove (15). An internal shock absorption plate (13) is set on the inner bottom wall of the cage (2).

5. A cage-lifting power generation device for vertical shafts according to claim 1, characterized in that: The bottom of the cage (2) is equipped with a fall arrestor (12), and the outer wall of the lifting slide rail (101) is equipped with side blocks (105) arranged in a linear array. The end of the fall arrestor (12) is engaged with the side blocks (105).

6. A cage-lifting power generation device for vertical shafts according to claim 1, characterized in that: Two sets of power generation mechanisms are set up, respectively on one side of two lifting slide rails (101) on the derrick (1). The fixed bracket (17) is fixedly installed on the top of the cage (2). A cleaning frame (2001) is set on both the first pulley seat (20) and the second pulley seat (22). A slide rail cleaning brush (2002) is slidably set on the top of the cleaning frame (2001). A rotating knob (2003) is threaded to the end of the slide rail cleaning brush (2002). The rotating knob (2003) is rotatably connected to the end of the cleaning frame (2001). A collection trough (2004) is installed at the bottom of the end of the slide rail cleaning brush (2002). The collection trough (2004) is inclined. A temperature sensor alarm (31) is installed on both the first pulley seat (20) and the second pulley seat (22). The detection end of the temperature sensor alarm (31) is facing the first pulley (21) and the second pulley (23).

7. A cage-lifting power generation device for vertical shafts according to claim 1, characterized in that: A side bracket (24) is installed on the outer wall of the fixed bracket (17). A shock-absorbing pad (25) is installed on the top of the side bracket (24). A DC generator (26) is installed on the shock-absorbing pad (25). A shock-absorbing protective bracket (29) is installed at the bottom of the power supply box (28). A storage battery (2801) and an inverter (2802) are installed inside the power supply box (28). An electrical control box (30) is installed in the middle of the top of the cage (2).

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