Trolley rotation rapping system

By using a trolley rotation and vibration system to vibrate the trolley during unloading and resetting, the problems of poor cleaning effect and high cost of existing cleaning devices are solved. This achieves efficient removal of material adhering to the grate, improves blast furnace permeability, and reduces energy consumption.

CN223525604UActive Publication Date: 2025-11-07ZHONGYE-CHANGTIAN INT ENG CO LTD
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Patent Information

Application Number
CN202422492390.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-11-07
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing trolley grate cleaning devices have poor cleaning performance, high costs, and are prone to environmental pollution. They are difficult to effectively remove the material adhering to the trolley grate, affecting blast furnace permeability and smelting costs.

Method used

A trolley rotary vibration system is adopted. During the unloading and resetting process of the trolley, the vibration mechanism performs non-contact vibration on the trolley body. The trolley's tilting posture removes the material adhering to the grate plate. Combined with position sensors, automated control is achieved.

Benefits of technology

It efficiently and quickly removes the sticky material from the trolley grate, ensuring that the grate holes are free of sticky material, improving the drying effect, reducing energy consumption and environmental pollution, and is easy to operate and low in cost.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

According to the trolley rotating and rapping system, the trolley resetting mechanism and the rapping mechanism are arranged in parallel, so that the trolley can be rapped in the overturning, unloading and resetting processes of the trolley, residual sticky materials on a trolley grid plate can be efficiently and rapidly removed, it is guaranteed that no sticky materials exist in through holes of the trolley grid plate, and the working efficiency of the trolley is improved. The air passing area of the trolley grid plate is guaranteed, the resistance of drying air passing through the trolley grid plate is reduced, the drying effect is improved, and energy consumption is reduced. Besides, the vibrating mechanism with a special mechanism is designed, so that vibration operation can be efficiently and quickly realized within limited contact time, the cleaning efficiency of the adhered materials on the grid plate is further improved, and furthermore, the sensing mechanism at the running position of the trolley is interlocked with the vibrating mechanism, so that the residual materials on the grid plate are efficiently and automatically cleaned. The system is simple in overall structure, convenient to operate, low in investment and maintenance cost, adjustable in rapping force, good in material cleaning and resetting effect, high in practicability and convenient to popularize and apply.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the trolley equipment in the steel production, concretely relates to a trolley rotary rapping system belongs to the steel production equipment technical field. BACKGROUND

[0002] Common blast furnace charging materials include sintered ore, pellet ore and natural lump ore. The so-called reasonable blast furnace burden structure is to find the most suitable matching ratio of different types of iron ore by adjusting the proportion of sintered ore, pellet ore and natural lump ore in the charging iron ore, so that the economic and technical indicators of the blast furnace smelting under the burden structure are relatively ideal, and the unit pig iron smelting consumption cost is relatively lowest.

[0003] At present, the charging lump ore is generally high in viscosity and high in powder content, especially the overseas imported lump ore generally has moisture of about 6%, and the powder content is as high as more than 20%. Due to water transportation, long transportation distance, many logistics links, open-air storage in the turnover process, increased damage in unloading and loading, and other reasons, the powder content of lump ore is even as high as more than 30%. At the same time, the increase of water content in lump ore causes a large amount of powder to adhere to the surface of lump ore, and the screen plate of the vibrating screen is often blocked during screening, so that the screening effect cannot be achieved, resulting in that the powder adhering to the surface of lump ore finally enters the blast furnace, affecting the blast furnace permeability, not only increasing the blast furnace smelting cost, but also affecting the stable and smooth operation of the blast furnace. Therefore, the reduction of moisture content of lump ore has important significance for reducing the ironmaking cost and enhancing the stability of the furnace condition.

[0004] Steel enterprises begin to increase the lump ore drying system to dry the lump ore, the moisture content before drying is 6-7%, and the moisture content after drying is 2-3%, and then screening is carried out. The advantages of this process method are that the drying effect is obvious, and the powder content of the charging lump ore can be effectively reduced, so as to reduce the smelting cost of the blast furnace. However, due to high water content and high powder content of lump ore, the viscosity is large, so the grate cleaning device needs to be set in the unloading area to remove the adhering material of the trolley grate, and when the trolley enters the next working cycle, the grate hole is ensured to be free of adhering material, the trolley air passing area is ensured, and the drying effect is improved. The existing grate cleaning device has the following problems: ① no grate cleaning device; ② high-pressure air blowing is used, which cannot clean the firmly adhering material, the cleaning capacity is not adjustable, and environmental pollution is easy to cause; ③ ultrasonic cleaning, the equipment cost is extremely high, the operation area is small, and the action distance is limited. CONTENT OF THE UTILITY MODEL

[0005] In view of the problems of poor cleaning effect and high investment cost of the existing trolley grate cleaning, the utility model provides a trolley rotary vibration system, which adopts a vibration mechanism to vibrate the trolley body during the trolley unloading and resetting process, vibrates the trolley by non-contact external force, and realizes the vibration falling of the trolley grate sticking material. That is, the trolley is always in a posture conducive to material rolling during the turning unloading and resetting process, and the external force is vibrated, which can efficiently and quickly remove the residual sticking material on the trolley grate, ensure that the through hole of the trolley grate is free of sticking material, ensure the wind passing area of the trolley grate, reduce the resistance of the drying wind passing through the trolley grate, improve the drying effect and reduce the energy consumption.

[0006] To achieve the above technical purposes, the technical scheme adopted by the utility model is as follows:

[0007] A trolley rotary vibration system, which comprises a trolley, a rotary track, a trolley resetting mechanism and a vibration mechanism. The trolley is arranged on the rotary track through a wheel rocker arm and performs rotary motion on the rotary track. The track body of the rotary track at the unloading position is upwardly protruded to form a curved track section. The trolley resetting mechanism and the vibration mechanism are arranged side by side below the curved track section, and the trolley body is in contact with the trolley resetting mechanism and the vibration mechanism at the same time when the trolley passes through the curved track section.

[0008] As a preferred, in the vertical plane along the running direction of the trolley, the upward protruding shape of the curved track section is trapezoidal or arc-shaped, preferably isosceles trapezoidal.

[0009] As a preferred, the height of the upward protrusion of the curved track section is 0.3~1.5 times, preferably 0.5~1.2 times, more preferably 0.8~1 times of the total length of the trolley and the wheel rocker arm.

[0010] As a preferred, the span of the curved track section along the running direction of the trolley is 1.2~3 times, preferably 1.5~2.5 times, more preferably 1.8~2 times of the total length of the trolley and the wheel rocker arm.

[0011] As a preferred, along the running direction of the trolley, a first position sensor and a second position sensor are respectively arranged upstream and downstream of the curved track section. The first position sensor and the second position sensor are interlocked with the vibration mechanism.

[0012] As a preferred, when the wheel rocker arm runs to the first position sensor, the trolley body is just in contact with the trolley resetting mechanism and the vibration mechanism. When the wheel rocker arm runs to the second position sensor, the trolley body is just separated from the trolley resetting mechanism and the vibration mechanism.

[0013] As a preferred, the trolley resetting mechanism and the vibration mechanism are arranged side by side along the width direction of the trolley. Along the running direction of the trolley, the trolley resetting mechanism and the vibration mechanism are both located below the upstream track body of the curved track section.

[0014] As a preferred, when the trolley body is just contacted with the trolley reset mechanism and the jolting mechanism, the included angle between the trolley and the horizontal plane is 70-90°, preferably 80-90°.

[0015] As a preferred, in the vertical direction, the vertical height of the top end of the trolley reset mechanism and the jolting mechanism is such that when the trolley body is just separated from the trolley reset mechanism and the jolting mechanism, the included angle between the trolley body and the horizontal plane is 0-10°, preferably 0-5°.

[0016] As a preferred, the trolley reset mechanism comprises a reset roller and a reset support. The reset roller is arranged at the top end of the reset support through an axle and can rotate freely. Preferably, the surface of the reset roller is coated with a wear-resistant layer.

[0017] As a preferred, the jolting mechanism comprises a vibration motor, a vibration support and a vibration body. The vibration motor is installed at the lower side of the vibration support, and the vibration body is arranged at the top of the vibration support. A damping base is further arranged at the bottom of the vibration support.

[0018] As a preferred, the vibration body is an arc-shaped wear-resistant hammer plate, and the vibration body is connected with the vibration support through an elastic member. Preferably, the elastic member is a metal spring.

[0019] In the utility model, the lump ore to be dried is turned and unloaded in the unloading area after passing through the hot air drying area and the cooling area on the rotary track by the trolley, and then is recycled to the feeding area to add the lump ore to be dried and recycle the drying, cooling and unloading actions. Generally, when the trolley unloads the dried lump ore, some powder will be adhered to the grate plate of the trolley, and the ventilation hole of the grate plate is blocked, which is not conducive to the smooth drying. The utility model sets the jolting mechanism beside the trolley reset mechanism, and the trolley body is jolted to vibrate the grate plate during the unloading and resetting of the trolley, so that the residual material on the grate plate is detached, and the detached material falls under the action of gravity due to the large inclination (even vertical) of the grate plate. Compared with the high-pressure air cleaning method of the prior art, the cleaning effect of the utility model is controllable and does not produce dust-containing waste gas, so as not to cause environmental pollution. Meanwhile, compared with the existing ultrasonic cleaning method, the utility model has low cost and is more convenient to operate.

[0020] In the utility model, the track body of the rotary track at the unloading position is upwardly protruded to form a curved track section, after the pallet car travels to the curved track section, the wheel rocker starts to ascend along the curved track, the car body of the pallet car slowly overturns along with the axle of the pallet car under the gravity eccentricity of the car body and the material, and finally the lump ore is unloaded into the unloading groove. After the pallet car is unloaded, the car body continues to travel forward and starts to reset under the assistance of the pallet car resetting mechanism, when the wheel rocker starts to slowly descend along the curved track, the pallet car is forced to rotate reversely until it is reset to be flat and enters the next working cycle. During the time when the pallet car contacts and separates from the pallet car resetting mechanism, the pallet car vibrates under the action of the vibrating mechanism, so that the grate plate also vibrates and the powder and bulk material adhered to the grate plate are shaken off.

[0021] In the utility model, in the vertical plane along the running direction of the pallet car, the upward protruding shape of the curved track section is trapezoidal or arc-shaped (preferably isosceles trapezoidal, and all corners of the isosceles trapezoidal are designed in a round corner type). The upward protruding height of the curved track section is generally 0.3-1.5 times the total length of the pallet car and the wheel rocker, and the span of the curved track section along the running direction of the pallet car is generally 1.2-3 times the total length of the pallet car and the wheel rocker. The protruding height of the curved track section and the span along the running direction of the pallet car are strictly limited, so that the lower side of the curved track section has sufficient space to meet the overturning and resetting actions of the pallet car. Generally, if the space reserved on the lower side of the curved track section is too large, space is wasted, and the site occupation and equipment investment costs are both increased, and if the reserved space is too small, the pallet car cannot smoothly overturn to complete unloading, which easily leads to incomplete cleaning and affects subsequent drying.

[0022] In the utility model, during the running of the pallet car, the setting positions of the pallet car resetting mechanism and the vibrating mechanism are as follows: when the car body of the pallet car just contacts the pallet car resetting mechanism and the vibrating mechanism, the included angle between the pallet car and the horizontal plane is generally 70-90°, and when the car body of the pallet car just separates from the pallet car resetting mechanism and the vibrating mechanism, the included angle between the car body and the horizontal plane is generally 0-10°. That is, when the car body of the pallet car starts to contact the pallet car resetting mechanism and the vibrating mechanism, the car body needs to be at a large inclination angle, so that the vibrating mechanism can transmit vibration to the car body, and the material shaken off can roll off the car body under its own gravity. When the car body of the pallet car starts to separate from the pallet car resetting mechanism and the vibrating mechanism, the car body needs to be at a state close to the horizontal plane, so as to facilitate the smooth resetting of the pallet car.

[0023] In the utility model, in order to realize the jarring of the trolley in time and improve the cleaning effect of the material adhered on the grate plate, a first position sensor and a second position sensor for interlocking with the jarring mechanism are further arranged at the upstream and downstream of the curved track section along the running direction of the trolley. The current position of the trolley is detected by the position sensor, and the current posture is judged, and then the jarring mechanism is automatically started to open the jarring, and the automatic cleaning of the residual material on the grate plate is realized.

[0024] In the utility model, the trolley reset mechanism includes a reset roller and a reset support. The reset roller is arranged at the top of the reset support through an axle and can rotate freely. When the trolley contacts the reset roller, the design of the movable reset roller can reduce friction and assist the trolley to start to reset slowly. In order to reduce the wear between the trolley and the reset roller, a wear-resistant layer (such as a rubber layer) is coated on the surface of the reset roller.

[0025] In the utility model, the jarring mechanism includes a vibration motor, a vibration support and a vibration body. The vibration motor transmits vibration to the vibration body through the vibration support, so that the vibration body vibrates, and then the body of the trolley can be jared. In addition, in order to improve the jarring effect of the vibration body on the trolley body, the vibration body is connected to the vibration support through an elastic member (such as a metal spring), so that the vibration body can improve the amplitude and frequency of vibration under the same vibration effect, and then the jarring effect on the trolley body is improved, which is beneficial to improve the cleaning efficiency and effect of the residual material on the grate plate. In addition, a damping base (such as damping rubber, damping disc or finished shock absorber) is further arranged at the bottom of the vibration support.

[0026] Compared with the prior art, the utility model has the beneficial technical effects as follows:

[0027] 1: The system of the utility model can realize the jarring of the trolley during the trolley overturning and resetting, and then efficiently and quickly remove the residual material adhered on the grate plate of the trolley, ensure that the through hole of the grate plate of the trolley is free of material, ensure the air passing area of the grate plate of the trolley, reduce the resistance of the drying air passing through the grate plate of the trolley, improve the drying effect and reduce the energy consumption.

[0028] 2: The system of the utility model further realizes the vibration operation efficiently and quickly within a limited contact time through the jarring mechanism with a special mechanism, and then improves the cleaning efficiency of the material adhered on the grate plate. Meanwhile, the sensing mechanism of the trolley running position is interlocked with the jarring mechanism, and then the efficient automatic cleaning of the residual material on the grate plate is realized.

[0029] 3: The system of the utility model further has the advantages of simple overall structure, convenient operation, low investment and maintenance cost, adjustable jarring force, good cleaning and resetting effect, strong practicality and the like, and is convenient for popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0030] Fig. 1 The system's forward structure schematic view is described in the utility model.

[0031] Fig. 2 The system's side structure schematic view is described in the utility model.

[0032] Fig. 3 The vibrating mechanism and the schematic diagram of the contact vibration with the trolley are described in the utility model.

[0033] Reference signs: 1: trolley; 2: rotary track; 201: curved track section; 202: first position sensor; 203: second position sensor; 3: trolley reset mechanism; 301: reset roller; 302: reset support; 4: vibrating mechanism; 401: vibration motor; 402: vibration support; 403: vibration body; 404: damping base; 5: pulley rocker arm. DETAILED DESCRIPTION

[0034] The technical scheme of the utility model is illustrated below, and the scope of protection requested by the utility model includes but is not limited to the following embodiments.

[0035] A trolley rotary vibrating system, which comprises a trolley 1, a rotary track 2, a trolley reset mechanism 3 and a vibrating mechanism 4. The trolley 1 is arranged on the rotary track 2 through a pulley rocker arm 5 and performs rotary motion on the rotary track 2. The track body of the rotary track 2 at the unloading position is upwardly protruded to form a curved track section 201. The trolley reset mechanism 3 and the vibrating mechanism 4 are arranged side by side below the curved track section 201, and when the trolley 1 passes through the curved track section 201, the trolley body of the trolley 1 will be in contact with the trolley reset mechanism 3 and the vibrating mechanism 4 at the same time.

[0036] As a preferred, in the vertical plane along the running direction of the trolley 1, the upward protruding shape of the curved track section 201 is trapezoidal or arc-shaped, preferably isosceles trapezoidal.

[0037] As a preferred, the height of the upward protrusion of the curved track section 201 is 0.3~1.5 times, preferably 0.5~1.2 times, more preferably 0.8~1 times of the total length of the trolley 1 and the pulley rocker arm 5.

[0038] As a preferred, the span of the curved track section 201 along the trolley running direction is 1.2~3 times, preferably 1.5~2.5 times, more preferably 1.8~2 times of the total length of the trolley 1 and the pulley rocker arm 5.

[0039] As a preferred, a first position sensor 202 and a second position sensor 203 are respectively arranged upstream and downstream of the curved track section 201 along the running direction of the trolley 1. The first position sensor 202 and the second position sensor 203 are both interlocked with the vibrating mechanism 4.

[0040] As preferred, when the wheel rocker 5 runs to the first position sensor 202, the trolley body of the trolley 1 just contacts with the trolley reset mechanism 3 and the shaking mechanism 4. When the wheel rocker 5 runs to the second position sensor 203, the trolley body of the trolley 1 just separates from the trolley reset mechanism 3 and the shaking mechanism 4.

[0041] As preferred, the trolley reset mechanism 3 and the shaking mechanism 4 are arranged side by side along the width direction of the trolley 1. Both the trolley reset mechanism 3 and the shaking mechanism 4 are located below the upstream trolley body of the curve track section 201 along the running direction of the trolley 1.

[0042] As preferred, when the trolley body of the trolley 1 just contacts with the trolley reset mechanism 3 and the shaking mechanism 4, the included angle between the trolley body and the horizontal plane is 70-90°, preferably 80-90°.

[0043] As preferred, in the vertical direction, the vertical height of the top end of the trolley reset mechanism 3 and the shaking mechanism 4 is such that when the trolley body of the trolley 1 just separates from the trolley reset mechanism 3 and the shaking mechanism 4, the included angle between the trolley body and the horizontal plane is 0-10°, preferably 0-5°.

[0044] As preferred, the trolley reset mechanism 3 comprises a reset roller 301 and a reset support 302. The reset roller 301 is arranged on the top end of the reset support 302 through an axle and can rotate freely. Preferably, the surface of the reset roller 301 is coated with a wear-resistant layer.

[0045] As preferred, the shaking mechanism 4 comprises a vibration motor 401, a vibration support 402 and a vibration body 403. The vibration motor 401 is installed on one side of the lower part of the vibration support 402, and the vibration body 403 is arranged on the top of the vibration support 402. A damping base 404 is further arranged on the bottom of the vibration support 402.

[0046] As preferred, the vibration body 403 is an arc-shaped wear-resistant hammer plate, and the vibration body 403 is connected to the vibration support 402 through an elastic member. Preferably, the elastic member is a metal spring. Embodiment 1

[0047] As shown in Figs. 1-3 A trolley rotation shaking system, which comprises a trolley 1, a rotation track 2, a trolley reset mechanism 3 and a shaking mechanism 4. The trolley 1 is arranged on the rotation track 2 through a wheel rocker 5 and performs rotation movement on the rotation track 2. The trolley body of the rotation track 2 at the unloading position is upwardly protruded to form a curve track section 201. The trolley reset mechanism 3 and the shaking mechanism 4 are arranged side by side below the curve track section 201, and the trolley body of the trolley 1 will simultaneously contact with the trolley reset mechanism 3 and the shaking mechanism 4 when the trolley 1 passes through the curve track section 201. Embodiment 2

[0048] Example 1 is repeated, except that the upwardly convex shape of the curved track section 201 is arcuate in a vertical plane along the direction of travel of the trolley 1. Example 3

[0049] Example 2 is repeated, except that the upwardly convex shape of the curved track section 201 is trapezoidal. Example 4

[0050] Example 3 is repeated, except that the upwardly convex shape of the curved track section 201 is isosceles trapezoidal. Example 5

[0051] Example 4 is repeated, except that the height of the upwardly convex shape of the curved track section 201 is 0.6 times the total length of the trolley 1 and the wheeled rocker arm 5. Example 6

[0052] Example 5 is repeated, except that the height of the upwardly convex shape of the curved track section 201 is 1.2 times the total length of the trolley 1 and the wheeled rocker arm 5. Example 7

[0053] Example 6 is repeated, except that the span of the curved track section 201 along the direction of travel of the trolley 1 is 1.3 times the total length of the trolley 1 and the wheeled rocker arm 5. Example 8

[0054] Example 7 is repeated, except that the span of the curved track section 201 along the direction of travel of the trolley 1 is 1.9 times the total length of the trolley 1 and the wheeled rocker arm 5. Example 9

[0055] Example 8 is repeated, except that a first position sensor 202 and a second position sensor 203 are further provided upstream and downstream of the curved track section 201 along the direction of travel of the trolley 1. Both the first position sensor 202 and the second position sensor 203 are interlocked with the rapping mechanism 4. Example 10

[0056] Example 9 is repeated, except that when the wheeled rocker arm 5 travels to the first position sensor 202, the trolley body of the trolley 1 is just in contact with the trolley reset mechanism 3 and the rapping mechanism 4. When the wheeled rocker arm 5 travels to the second position sensor 203, the trolley body of the trolley 1 is just separated from the trolley reset mechanism 3 and the rapping mechanism 4. Example 11

[0057] Example 10 is repeated, except that the trolley reset mechanism 3 and the rapping mechanism 4 are arranged side by side along the width direction of the trolley 1. Both the trolley reset mechanism 3 and the rapping mechanism 4 are located below the track body upstream of the curved track section 201 along the direction of travel of the trolley 1. Example 12

[0058] Example 11 is repeated, except that the angle between the body of the trolley 1 and the horizontal plane when the body of the trolley 1 first contacts the trolley resetting mechanism 3 and the jolting mechanism 4 is 85°. Example 13

[0059] Example 12 is repeated, except that the angle between the body of the trolley 1 and the horizontal plane when the body of the trolley 1 first contacts the trolley resetting mechanism 3 and the jolting mechanism 4 is 90°. Example 14

[0060] Example 13 is repeated, except that in the vertical direction, the vertical height of the topmost end of the trolley resetting mechanism 3 and the jolting mechanism 4 is such that the angle between the body of the trolley 1 and the horizontal plane when the body of the trolley 1 first separates from the trolley resetting mechanism 3 and the jolting mechanism 4 is 6°. Example 15

[0061] Example 13 is repeated, except that in the vertical direction, the vertical height of the topmost end of the trolley resetting mechanism 3 and the jolting mechanism 4 is such that the angle between the body of the trolley 1 and the horizontal plane when the body of the trolley 1 first separates from the trolley resetting mechanism 3 and the jolting mechanism 4 is 2°. Example 16

[0062] Example 15 is repeated, except that the trolley resetting mechanism 3 comprises a resetting roller 301 and a resetting support 302. The resetting roller 301 is arranged at the top end of the resetting support 302 via an axle and is freely rotatable. Example 17

[0063] Example 16 is repeated, except that the surface of the resetting roller 301 is coated with a wear-resistant layer. Example 18

[0064] Example 17 is repeated, except that the jolting mechanism 4 comprises a vibration motor 401, a vibration support 402 and a vibration body 403. The vibration motor 401 is mounted on one side of the lower part of the vibration support 402, and the vibration body 403 is arranged on the top of the vibration support 402. A shock-absorbing base 404 is further arranged on the bottom of the vibration support 402. Example 19

[0065] Example 18 is repeated, except that the vibration body 403 is an arc-shaped wear-resistant hammer plate, and the vibration body 403 is connected to the vibration support 402 via an elastic member. Example 20

[0066] Example 19 is repeated, except that the elastic member is a metal spring.

Claims

1. A trolley slewing rapping system characterized by: The system comprises a trolley (1), a rotating track (2), a trolley resetting mechanism (3) and a jolting mechanism (4); the trolley (1) is arranged on the rotating track (2) through a wheel rocker (5) and rotates on the rotating track (2); the track body of the rotating track (2) at a discharging position is upwardly protruded to form a curved track section (201); the trolley resetting mechanism (3) and the jolting mechanism (4) are arranged side by side below the curved track section (201), and the trolley body of the trolley (1) is in contact with the trolley resetting mechanism (3) and the jolting mechanism (4) at the same time when the trolley (1) passes through the curved track section (201).

2. The system of claim 1, wherein: In a vertical plane along the running direction of the trolley (1), the upward protruding shape of the curved track section (201) is trapezoidal or arc-shaped.

3. The system of claim 2, wherein: In a vertical plane along the running direction of the trolley (1), the upward protruding shape of the curved track section (201) is isosceles trapezoidal.

4. The system of claim 2, wherein: The height of the upward protrusion of the curved track section (201) is 0.3-1.5 times the total length of the trolley (1) and the wheel rocker (5).

5. The system of claim 4, wherein: The height of the upward protrusion of the curved track section (201) is 0.5-1.2 times the total length of the trolley (1) and the wheel rocker (5).

6. The system of claim 5, wherein: The height of the upward protrusion of the curved track section (201) is 0.8-1 times the total length of the trolley (1) and the wheel rocker (5).

7. The system of claim 2, wherein: The span of the curved track section (201) along the running direction of the trolley is 1.2-3 times the total length of the trolley (1) and the wheel rocker (5).

8. The system of claim 7, wherein: The span of the curved track section (201) along the running direction of the trolley is 1.5-2.5 times the total length of the trolley (1) and the wheel rocker (5).

9. The system of claim 8, wherein: The span of the curved track section (201) along the running direction of the trolley is 1.8-2 times the total length of the trolley (1) and the wheel rocker (5).

10. The system of claim 1, wherein: Along the running direction of the trolley (1), a first position sensor (202) and a second position sensor (203) are further arranged upstream and downstream of the curved track section (201) respectively; the first position sensor (202) and the second position sensor (203) are interlocked with the jolting mechanism (4).

11. The system of claim 10, wherein: When the wheel rocker (5) runs to the first position sensor (202), the trolley body of the trolley (1) is just in contact with the trolley resetting mechanism (3) and the jolting mechanism (4); when the wheel rocker (5) runs to the second position sensor (203), the trolley body of the trolley (1) is just separated from the trolley resetting mechanism (3) and the jolting mechanism (4).

12. The system of claim 1, wherein: The trolley resetting mechanism (3) and the jolting mechanism (4) are arranged side by side along the width direction of the trolley (1); along the running direction of the trolley (1), the trolley resetting mechanism (3) and the jolting mechanism (4) are both arranged below the track body upstream of the curved track section (201).

13. The system of claim 12, wherein: When the trolley body of the trolley (1) is just in contact with the trolley resetting mechanism (3) and the jolting mechanism (4), the included angle between the trolley (1) and the horizontal plane is 70-90°.

14. The system of claim 13, wherein: When the trolley body of the trolley (1) is just in contact with the trolley resetting mechanism (3) and the jolting mechanism (4), the included angle between the trolley (1) and the horizontal plane is 80-90°.

15. The system of claim 12, wherein: In the vertical direction, the vertical height of the top end of the trolley reset mechanism (3) and the jolting mechanism (4) is such that the angle between the trolley body and the horizontal plane is 0-10° when the trolley body is just separated from the trolley reset mechanism (3) and the jolting mechanism (4).

16. The system of claim 15, wherein: In the vertical direction, the vertical height of the top end of the trolley reset mechanism (3) and the jolting mechanism (4) is such that the angle between the trolley body and the horizontal plane is 0-5° when the trolley body is just separated from the trolley reset mechanism (3) and the jolting mechanism (4).

17. The system of any one of claims 1-16, wherein: The trolley reset mechanism (3) comprises a reset roller (301) and a reset support (302); the reset roller (301) is arranged at the top end of the reset support (302) through an axle and can rotate freely.

18. The system of claim 17, wherein: The surface of the reset roller (301) is coated with a wear-resistant layer.

19. The system of any one of claims 1-16, 18, wherein: The jolting mechanism (4) comprises a vibration motor (401), a vibration support (402) and a vibration body (403); the vibration motor (401) is installed at one side of the lower part of the vibration support (402), and the vibration body (403) is arranged at the top of the vibration support (402); a damping base (404) is further arranged at the bottom of the vibration support (402).

20. The system of claim 17, wherein: The jolting mechanism (4) comprises a vibration motor (401), a vibration support (402) and a vibration body (403); the vibration motor (401) is installed at one side of the lower part of the vibration support (402), and the vibration body (403) is arranged at the top of the vibration support (402); a damping base (404) is further arranged at the bottom of the vibration support (402).

21. The system of claim 19, wherein: The vibration body (403) is an arc-shaped wear-resistant hammer plate, and the vibration body (403) is connected to the vibration support (402) through an elastic member.

22. The system of claim 20, wherein: The vibration body (403) is an arc-shaped wear-resistant hammer plate, and the vibration body (403) is connected to the vibration support (402) through an elastic member.

23. The system of claim 21 or 22, wherein: The elastic member is a metal spring.