A furnace and kiln maintenance platform vehicle

Abstract

This invention discloses a furnace maintenance platform vehicle, relating to the field of furnace maintenance technology. It includes a moving main beam, a carrying vehicle, a lifting platform, and an electrical control unit. The moving main beam includes moving wheels, a locking mechanism, and a carrying beam. The moving wheels are located at the bottom of the carrying beam, and the locking mechanism can lock the moving wheels. A moving track is provided on the moving main beam, within which the carrying vehicle moves and can reach different fire passages in the furnace. The lifting platform is connected to the carrying vehicle, and the carrying vehicle can drive the lifting platform to move. The electrical control unit is electrically connected to the control systems of both the carrying vehicle and the lifting platform. This invention can improve maintenance efficiency and reduce the labor intensity of construction personnel.

Description

Technical Field

[0001] This invention relates to the field of furnace and kiln maintenance technology, and in particular to a furnace and kiln maintenance platform vehicle. Background Technology

[0002] Currently, most furnaces and kilns have multi-channel structures with furnace walls several meters high. Traditional furnace construction and repair work involves erecting multi-layer scaffolding. The scaffolding needs to be erected in sections according to the furnace height, covering the work area from the bottom to the top of the furnace. Refractory bricks, high-temperature mortar, and tools used in furnace construction and repair are hoisted using electric hoists, and after hoisting, they need to be manually transported to the various work points on the scaffolding. Personnel use 7-meter-long ladders to enter and exit the furnace. Erecting scaffolding and transporting materials consumes a large amount of manpower and resources, resulting in low efficiency in furnace construction and repair. Furthermore, climbing the 7-meter-long ladders poses a significant safety hazard due to the risk of falls. The existing multi-layer scaffolding construction and repair work results in long preparation cycles for scaffolding erection, dismantling, and inter-channel transport, leading to low personnel efficiency and construction efficiency and schedules that cannot meet production demands. Meanwhile, refractory bricks, high-temperature mortar, and tools used for furnace construction and repair are hoisted using electric hoists. After hoisting, they need to be manually transported to various fire channel work points on scaffolding, which is time-consuming and labor-intensive. Furthermore, there is a risk of items falling during hoisting, posing significant safety hazards to maintenance personnel and resulting in high labor intensity for furnace repair workers. Therefore, there is an urgent need for a furnace maintenance platform vehicle to solve the above technical problems. Summary of the Invention

[0003] The purpose of this invention is to provide a furnace and kiln maintenance platform vehicle to solve the problems existing in the prior art, improve maintenance efficiency, and reduce the labor intensity of construction personnel.

[0004] To achieve the above objectives, the present invention provides the following solution: This invention provides a furnace maintenance platform vehicle, comprising a movable main beam, a carrier vehicle, a lifting platform, and an electrical control unit. The movable main beam includes movable wheels, a locking mechanism, and a carrier beam. The movable wheels are disposed at the bottom of the carrier beam, and the locking mechanism can lock the movable wheels. A movable track is provided on the movable main beam, and the carrier vehicle moves within the movable track and can reach different fire passages of the furnace. The lifting platform is connected to the carrier vehicle, and the carrier vehicle can drive the lifting platform to move. The electrical control unit is electrically connected to the control system of the carrier vehicle and the control system of the lifting platform.

[0005] In some embodiments, the carrier vehicle includes a carrier platform and wheels. The wheels are located at the bottom of the carrier platform and can move within the moving track. The carrier platform is provided with a rotary drive device, a tension rope, and a roller at both ends. The rotary drive device is fixedly connected to the roller. One end of the tension rope is fixedly connected to the side wall of the roller, and the other end is fixedly connected to the end of the lifting platform.

[0006] In some embodiments, a speed reducer is also included, wherein the rotary drive device is a variable frequency three-phase asynchronous motor, the output end of the variable frequency three-phase asynchronous motor is connected to the input end of the speed reducer, and the output end of the speed reducer is connected to the drum.

[0007] In some embodiments, a speed difference fall arrestor is also included, the top end of which is fixedly connected to the bearing platform and the bottom end of which is fixedly connected to the lifting platform, and the speed difference fall arrestor is provided at both ends of the bearing platform.

[0008] In some embodiments, the moving wheel includes a driving wheel and a driven wheel, and at least two driving wheels and two driven wheels are provided. The driving wheel is located at one end of the supporting beam, and the driven wheel is located at the other end of the supporting beam. The driving wheel is provided with a drive system and a braking system.

[0009] In some embodiments, the system further includes a first mounting plate, a second mounting plate, and a pressure roller, with both ends of the roller rotatably connected to the first mounting plate and the second mounting plate, the pressure roller being rotatably disposed between the first mounting plate and the second mounting plate, and the tension rope being disposed between the roller and the pressure roller.

[0010] In some embodiments, a connecting assembly is also included, through which the pressure roller is connected to the mounting plate. The connecting assembly includes a guide post, a spring, and a slider. The guide post is fixedly connected to the mounting plate, and the axis of the guide post is parallel to the diameter line of the roller. The slider slides through the guide post. The spring passes through the guide post and is located between the top surface of the slider and the guide post, and the spring is in a compressed state. The pressure roller is rotatably connected to the slider.

[0011] In some embodiments, the tension rope is a steel wire rope.

[0012] In some embodiments, the locking mechanism is a wheel lock, which is used to restrict the rotation of the moving wheel.

[0013] In some embodiments, a lifting support is also included, which is disposed between the moving wheel and the load-bearing beam. The lifting support is capable of extending and retracting along the height direction of the load-bearing beam and can drive the load-bearing beam to rise and fall.

[0014] The present invention achieves the following technical effects compared to the prior art: The furnace maintenance platform vehicle provided by this invention integrates moving wheels and a locking mechanism into its main moving beam, enabling the entire maintenance equipment to be rapidly relocated. The locking mechanism can quickly lock the moving wheels after the equipment is in place, ensuring that the entire machine remains stable and does not shift or shake during operation, meeting the stability requirements for high-altitude maintenance. By setting multiple sets of parallel moving tracks on the main moving beam, in conjunction with a carrier vehicle that can move freely along the tracks, uninterrupted switching between different fire passages can be achieved. Multiple sets of moving tracks ensure that the carrier vehicle can reach any fire passage. The lifting platform can simultaneously carry maintenance personnel, all refractory bricks, high-temperature mortar, and maintenance tools, achieving synchronous lifting and transfer of personnel and materials. This solves the problem of traditional operations requiring the use of electric hoists to lift materials and then manual transfer on scaffolding to the work site, eliminating manpower consumption during material transfer and saving all the steps of traditional scaffolding erection, dismantling, and reinforcement, thus improving maintenance efficiency. The electrical control unit is electrically connected to the vehicle's walking system and the lifting platform's lifting system, enabling centralized control through a single human-machine interface. It supports wireless remote control operation, allowing workers to simultaneously control the horizontal movement of the vehicle and the vertical lifting of the platform from the platform or a safe location outside the furnace, without the need for multiple operators. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram showing the layout of the furnace maintenance platform vehicle in some embodiments of the present invention; Figure 2 This is a front view of the furnace maintenance platform vehicle in some embodiments of the present invention; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0017] In the diagram: 1-Bearing beam; 2-Lifting support; 3-Bearing vehicle; 31-Bearing platform; 32-Walking wheel; 4-Lifting platform; 41-Guardrail; 5-Roller; 6-Rotation drive device; 7-Tension rope; 8-Folding leg; 9-Diagonal support. Detailed Implementation

[0018] 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.

[0019] The purpose of this invention is to provide a furnace and kiln maintenance platform vehicle to solve the problems existing in the prior art, improve maintenance efficiency, and reduce the labor intensity of construction personnel.

[0020] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] like Figures 1-4As shown, this invention provides a furnace maintenance platform vehicle, including a moving main beam, a carrying vehicle 3, a lifting platform 4, and an electrical control unit. The moving main beam includes moving wheels, a locking mechanism, and a carrying beam 1. The moving wheels are located at the bottom of the carrying beam 1, and the locking mechanism can lock the moving wheels. A moving track is provided on the moving main beam, and the carrying vehicle 3 moves within the moving track, reaching different fire passages in the furnace. The lifting platform 4 is connected to the carrying vehicle 3, and the carrying vehicle 3 can drive the lifting platform 4 to move. The electrical control unit is electrically connected to the control systems of the carrying vehicle 3 and the lifting platform 4. The moving main beam integrates the moving wheels and the locking mechanism, enabling the entire maintenance equipment to have a rapid overall relocation capability. The locking mechanism can quickly lock the moving wheels after the equipment is in place, ensuring that the entire machine does not shift or shake during operation, meeting the stability requirements of high-altitude maintenance. By setting parallel moving tracks on the moving main beam, and cooperating with the carrying vehicle 3 which can move freely along the tracks, uninterrupted switching of operations at different fire passages can be achieved. The lifting platform 4 can simultaneously carry maintenance personnel, all refractory bricks, high-temperature mortar, and maintenance tools, enabling synchronous lifting and transfer of personnel and materials. This solves the problem of traditional operations requiring the use of electric hoists to lift materials and then manual transfer on scaffolding to the work site, eliminating manpower consumption during material transfer and saving all the steps of traditional scaffolding erection, dismantling, and reinforcement, thus improving maintenance efficiency. The electrical control unit is electrically connected to the travel system of the carrier 3 and the lifting system of the lifting platform 4, realizing centralized control through a single human-machine interface. It supports wireless remote control operation, allowing workers to simultaneously control the horizontal movement of the carrier 3 and the vertical lifting of the platform from the platform or a safe position outside the furnace, without the need for multiple operators.

[0022] As a preferred embodiment, it integrates safety functions such as emergency stop, overload protection, and limit protection. In case of any abnormality, the power can be cut off immediately to ensure the safety of equipment and personnel. Specifically, a limit switch collision baffle is set at the extreme movement point. After collision, it indicates that the movement has reached the limit position and the device stops working.

[0023] In some embodiments, the carrier vehicle 3 includes a carrier platform 31 and traveling wheels 32. The traveling wheels 32 are disposed at the bottom of the carrier platform 31 and can move within a moving track. Preferably, the moving track includes a top plate, a side plate, and a bottom plate fixedly connected in sequence. The traveling wheels 32 are located on the bottom plate, and the top plate can prevent the traveling wheels 32 from detaching. The two ends of the carrier platform 31 are provided with a rotary drive device 6, a tension rope 7, and a roller 5. The rotary drive device 6 is fixedly connected to the roller 5. One end of the tension rope 7 is fixedly connected to the side wall of the roller 5, and the other end is fixedly connected to the end of the lifting platform 4. The carrier platform 31 integrates the traveling wheels 32 and the dual-set winch drive system into one unit. A single carrier vehicle 3 can independently complete the horizontal movement and vertical lifting drive of the lifting platform 4 without the need for multiple carrier vehicles to cooperate. Only a single set of moving tracks is needed to cover the entire fire channel operation area, simplifying the track layout of the moving main beam and reducing the workload of track laying and equipment assembly. The overall horizontal space occupied by the equipment is smaller, which can adapt to the narrow installation operation environment around the furnace and improve the efficiency of relocation, deployment, disassembly, and transportation. The tension ropes at both ends of the lifting platform 32 are symmetrically connected to the two ends of the lifting platform, forming a symmetrical force system at two points on the same vehicle. The platform experiences uniform force during lifting, without twisting or swaying. The winch mechanisms at both ends are independently driven, and the electrical control unit can control the speed, direction, and start / stop of the two rotary drive devices separately, enabling independent release and retraction of the tension ropes on both rollers. This allows for flexible adjustment of the platform's spatial posture. The two rotary drive devices rotate synchronously in both directions, maintaining the platform's horizontal vertical lifting and lowering, meeting the needs of conventional flat furnace wall construction and maintenance. The speed difference between the two drive devices allows the platform to tilt and lock within a small angle range, suitable for maintenance work on special parts such as furnace arches and sloping furnace walls. Individual drive devices can operate independently, allowing for independent lifting and lowering of one side of the platform. This facilitates the platform being tilted before being leveled and inserted into narrow fire channels, and also allows for continuous operation between adjacent fire channels at different heights. It should be noted that the lifting platform 4 can have a built-in tilt sensor. When the lifting platform 4 tilts slightly due to uneven loading or material handling, the retraction and retraction of one side roller can be finely adjusted to maintain the lifting platform 4's horizontal position in real time.

[0024] In a preferred embodiment, the bottom of the lifting platform 4 is also equipped with folding legs 8. After the folding legs 8 are unfolded and landed, the lifting platform 4 can be transformed into a rigidly supported fixed working surface, eliminating the inherent swaying of the wire rope suspended platform. Workers do not need to continuously adapt to platform swaying, reducing fatigue and operational error rates during high-altitude work, and significantly improving comfort and safety during long-term operations. Furthermore, there is no risk of material slippage or tipping when stacking materials; refractory bricks, tools, etc., can be placed stably, avoiding the hazard of items falling due to platform swaying. Additionally, the lifting platform 4 has partial guardrails 41 on its sides to prevent workers from falling. The folding legs 8 also have diagonal supports 9, one end of which is supported on the bottom surface of the lifting platform 4, and the other end is supported at the middle of the folding legs 8, improving stability.

[0025] In some embodiments, the furnace maintenance platform vehicle also includes a speed reducer, and the rotary drive device is a variable frequency three-phase asynchronous motor. The output end of the variable frequency three-phase asynchronous motor is connected to the input end of the speed reducer, and the output end of the speed reducer is connected to the drum. The variable frequency three-phase asynchronous motor can achieve stepless frequency conversion speed regulation through the electrical control unit. Combined with the fixed reduction ratio of the speed reducer, the speed of rope winding and unwinding of the drum can be precisely controlled.

[0026] In some embodiments, the furnace maintenance platform vehicle also includes a speed-differential fall arrestor. The top end of the speed-differential fall arrestor is fixedly connected to the bearing platform 31, and the bottom end is fixedly connected to the lifting platform 4. Both ends of the hoisting drive system are equipped with a set of speed-differential fall arrestors. When the lifting platform 4 falls for any reason, the internal centrifugal mechanism immediately triggers and locks the moment the falling speed exceeds the rated safe speed, instantly stopping the falling platform. Even in extreme situations such as a complete power outage, complete failure of the electrical control system, or simultaneous failure of both hoisting systems, the fall arrestor can still function normally, preventing high-altitude falls. Each bearing vehicle 3 is equipped with an independent speed-differential fall arrestor, forming a dual-point symmetrical protection system. The two sets of fall arrestors work independently; a single-point failure does not affect the protective function of the other set. Even if one set of fall arrestors fails unexpectedly, the remaining set can still independently bear the entire rated load of the platform. The fall arrestor is arranged parallel and perpendicular to the tension rope, with the force direction consistent, avoiding fall arrest failure or abnormal wear of components caused by oblique tension.

[0027] In some embodiments, the moving wheels include driving wheels and driven wheels, with at least two driving wheels and driven wheels. The driving wheel is located at one end of the supporting beam, and the driven wheel is located at the other end of the supporting beam. The driving wheel is equipped with a drive system and a braking system. The driving wheel integrates an independent drive system, which can autonomously output walking power. It can independently complete the transfer of the whole machine between different furnaces and different working areas within the plant without the need for external towing equipment such as forklifts or tractors, eliminating the cumbersome process of external equipment scheduling and connection, and improving the efficiency of transfer preparation. The dual driving wheels output torque synchronously, and the walking power is uniform and stable. It can smoothly pass through complex road conditions such as slight slopes, ground gaps and shallow potholes in the plant area. The speed of long-distance transfer is controllable, and it can quickly respond to the emergency maintenance needs of furnaces and kilns, shortening the downtime waiting time due to failure. The braking system acts directly on the power output end of the driving wheel. The braking response is fast and the locking force is large, which can achieve smooth instantaneous stopping without slippage or drift. In the working state, the braking system remains normally closed and locked, forming a double fixed protection with the wheel lock mechanism, which combines the service brake and the parking lock. The driving wheel and driven wheel are placed at both ends of the load-bearing beam, forming a multi-point symmetrical support structure. The machine's weight and operating load are evenly distributed among the walking wheel sets, avoiding problems such as bending deformation of the load-bearing beam and uneven wear of the wheel axles caused by localized concentrated stress. This improves the overall structural load-bearing capacity and durability of the machine.

[0028] In some embodiments, the furnace maintenance platform vehicle further includes a first mounting plate, a second mounting plate, and a pressure roller. The two ends of the roller are rotatably connected to the first and second mounting plates, respectively. The pressure roller is rotatably positioned between the first and second mounting plates, and a tension rope is positioned between the roller and the pressure roller. The two mounting plates provide rigid parallel support for the roller and the pressure roller, while also providing lateral restraint on the tension rope. The tension rope is always vertically wound along the roller groove, preventing lateral deviation. The pressure roller remains in close contact with the surface of the tension rope throughout the entire process, forcing the wire rope to be orderly inserted into the roller groove, avoiding problems such as the tension rope jumping out of the groove, multi-layer stacking, and cross-entanglement.

[0029] In some embodiments, the furnace maintenance platform vehicle further includes a connecting assembly. The pressure roller is connected to the mounting plate via the connecting assembly. The connecting assembly includes a guide post, a spring, and a slider. The guide post is fixedly connected to the mounting plate, and its axis is parallel to the diameter line of the roller. The slider slides through the guide post. The spring passes through the guide post and is located between the top surfaces of the slider and the guide post, and is in a compressed state. The pressure roller is rotatably connected to the slider. The spring is always in a compressed state, continuously applying a downward preload to the slider and the pressure roller, ensuring that the pressure roller is tightly pressed against the surface of the tension rope. When there are slight changes in the rope diameter, rope jumps, or slight vibrations during the tension rope's winding and unwinding process, the slider can slide up and down along the guide post, causing the pressure roller to float synchronously to compensate, always ensuring that there is no gap between the pressure roller and the tension rope, avoiding pressing failure and rope loosening. The guide post is fixed to the mounting plate, and its axis is parallel to the diameter line of the roller. The slider slides linearly along the guide post, strictly limiting the pressure roller to displacement only in the vertical direction, preventing offset, skew, or jamming. The pressure roller always remains parallel to the drum to ensure uniform tension on the tension rope, preventing uneven wear, deviation, and derailment, and ensuring the operational accuracy of the hoisting system. The tension rope tension changes in real time during equipment switching between no-load, light-load, and heavy-load conditions, or when the platform is tilted or undergoing unilateral lifting. The floating pressure roller automatically adjusts the clamping force according to changes in rope tension; it automatically retracts when tension is high and springs compensate when tension decreases. This prevents excessive pressure from damaging the rope and avoids slippage due to insufficient pressure, adapting to various operating scenarios with different postures and loads.

[0030] In some embodiments, the tension rope is a steel wire rope. The steel wire rope is made of high-quality carbon structural steel or alloy steel, possessing excellent high-temperature resistance, dust resistance, and corrosion resistance. It can operate stably for extended periods within a temperature range of -40℃ to 200℃, adapting to the high-temperature radiation environment surrounding the furnace and avoiding the softening, aging, and breakage problems associated with rubber and synthetic fiber ropes. Surface galvanizing or oiling effectively resists dust, moisture, and minor corrosion at the furnace site, preventing rust and corrosion and extending its service life.

[0031] In some embodiments, the locking mechanism is a wheel lock, which is used to restrict the rotation of the driven wheel. The wheel lock directly engages or grips the rim, tire, or hub of the moving wheel, restricting the rotation and slippage of the driven wheel. In the locked state, rolling back and sliding displacement of the driven wheel are eliminated, maintaining stability even under conditions of platform off-center loading, equipment vibration, or a slight slope on the furnace floor. The entire locking mechanism is a purely mechanical structure without any electronic components, making it suitable for the harsh operating environment of the furnace site.

[0032] In some embodiments, the furnace maintenance platform vehicle also includes a lifting support 2, which can be a hydraulic cylinder. The lifting support 2 is positioned between the moving wheels and the load-bearing beam 1. The lifting support 2 can extend and retract along the height direction of the load-bearing beam 1 and drive the load-bearing beam 1 to rise and fall. Each set of lifting supports 2 can independently control the extension and retraction amount, and can adjust the height of each support point in real time according to the ground conditions at the furnace site, accurately controlling the levelness of the load-bearing beam 1 and avoiding the impact of uneven ground on equipment operation. After leveling, the load of the entire machine is evenly distributed among all moving wheels and lifting supports 2, avoiding structural deformation caused by single-point overload, ensuring that the load-bearing vehicle 3 travels smoothly along the track, and that the lifting platform 4 is tilted and does not shake. Through the overall lifting and lowering of the load-bearing beam 1 and the fine adjustment of the height of the load-bearing beam 1, the working height range can be expanded in both directions based on the original travel of the lifting platform 4.

[0033] Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this invention. Furthermore, those skilled in the art will recognize that, based on the ideas of this invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this invention.

Claims

1. A furnace and kiln maintenance platform vehicle, characterized in that: The system includes a movable main beam, a carrier vehicle, a lifting platform, and an electrical control unit. The movable main beam includes movable wheels, a locking mechanism, and a carrier beam. The movable wheels are located at the bottom of the carrier beam, and the locking mechanism can lock the movable wheels. A movable track is provided on the movable main beam, and the carrier vehicle moves within the movable track and can reach different fire passages in the furnace. The lifting platform is connected to the carrier vehicle, and the carrier vehicle can drive the lifting platform to move. The electrical control unit is electrically connected to the control system of the carrier vehicle and the control system of the lifting platform.

2. The furnace and kiln maintenance platform vehicle according to claim 1, characterized in that: The carrier vehicle includes a carrier platform and traveling wheels. The traveling wheels are located at the bottom of the carrier platform. The two ends of the carrier platform are provided with a rotary drive device, a tension rope, and a roller. The rotary drive device is fixedly connected to the roller. One end of the tension rope is fixedly connected to the side wall of the roller, and the other end is fixedly connected to the end of the lifting platform.

3. The furnace and kiln maintenance platform vehicle according to claim 2, characterized in that: It also includes a speed reducer, and the rotary drive device is a variable frequency three-phase asynchronous motor. The output end of the variable frequency three-phase asynchronous motor is connected to the input end of the speed reducer, and the output end of the speed reducer is connected to the drum.

4. The furnace and kiln maintenance platform vehicle according to claim 2, characterized in that: It also includes a speed difference fall arrestor, the top end of which is fixedly connected to the bearing platform and the bottom end of which is fixedly connected to the lifting platform, and the speed difference fall arrestor is provided at both ends of the bearing platform.

5. The furnace and kiln maintenance platform vehicle according to claim 1, characterized in that: The moving wheel includes a driving wheel and a driven wheel, and there are at least two driving wheels and two driven wheels. The driving wheel is located at one end of the supporting beam, and the driven wheel is located at the other end of the supporting beam. The driving wheel is equipped with a drive system and a braking system.

6. The furnace and kiln maintenance platform vehicle according to claim 2, characterized in that: It also includes a first mounting plate, a second mounting plate, and a pressure roller. The two ends of the roller are rotatably connected to the first mounting plate and the second mounting plate, respectively. The pressure roller is rotatably disposed between the first mounting plate and the second mounting plate, and the tension rope is disposed between the roller and the pressure roller.

7. The furnace and kiln maintenance platform vehicle according to claim 6, characterized in that: It also includes a connecting assembly, through which the pressure roller is connected to the mounting plate. The connecting assembly includes a guide post, a spring, and a slider. The guide post is fixedly connected to the mounting plate, and the axis of the guide post is parallel to the diameter line of the roller. The slider slides through the guide post. The spring passes through the guide post and is located between the top surface of the slider and the guide post, and the spring is in a compressed state. The pressure roller is rotatably connected to the slider.

8. The furnace and kiln maintenance platform vehicle according to claim 2, characterized in that: The tension rope is a steel wire rope.

9. The furnace and kiln maintenance platform vehicle according to claim 5, characterized in that: The locking mechanism is a wheel lock, which is used to restrict the rotation of the driven wheel.

10. The furnace and kiln maintenance platform vehicle according to claim 1, characterized in that: It also includes a lifting bracket, which is disposed between the moving wheel and the bearing beam. The lifting bracket can extend and retract along the height direction of the bearing beam and can drive the bearing beam to rise and fall.

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