Protection mechanism for scraper
By designing spring dampers, lubrication systems, and sensors on the scraper conveyor, the problems of chain tooth breakage and lubrication were solved, enabling stable chain transportation and precise maintenance, and improving the safety and transportation efficiency of the scraper conveyor.
Patent Information
- Application Number
- CN202520288251.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Scraper conveyors are often damaged due to overload, resulting in sluggish chain movement, inconvenient lubrication, difficulty in fault detection, inaccurate maintenance, and safety hazards.
A protective mechanism comprising a spring damper, a lubrication system, sensors, and a monitor is designed to reduce chain stress, provide lubrication, detect chain condition and provide early warnings, and facilitate maintenance.
It effectively reduces chain tooth breakage and slippage, provides lubrication, improves transportation efficiency, enables accurate fault detection and repair, and enhances safety.
Smart Images

Figure CN223804292U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical equipment protection technical field, concretely is the protection mechanism for scraper. BACKGROUND
[0002] The scraper is the transport machinery used in the coal mining working face, is mainly used in conveying bulk materials, and is the important equipment in the mineral exploitation.
[0003] The scraper is widely used in metallurgy, building materials, coal mine and other industries, and often causes the equipment damage due to overload, and the existing protection device is single, and the scraper is inconvenient to check inside, and cannot be accurately repaired after failure, and the chain inside the scraper is inconvenient to transport materials after being used for a long time, and needs to be lubricated to avoid tooth shedding. SUMMARY
[0004] The utility model discloses a protection mechanism for scraper, can solve the problem of chain tooth and early warning protection.
[0005] In order to achieve the above-mentioned purpose, the protection mechanism for scraper is provided, including the scraper body, the side of the scraper body is fixedly connected with the transmission motor, the output shaft of the transmission motor is fixedly connected with the rotating shaft, one end of the rotating shaft is fixedly connected with the rotating wheel, the inside of the scraper body is provided with the chain, the inside of the chain is fixedly connected with the spring damper, and the side of the spring damper is fixedly connected with the scraper body.
[0006] The top of the scraper body is fixedly connected with the oil drum, the side of the oil drum is fixedly connected with the oil pipe, the inside of the oil pipe is fixedly connected with the electromagnetic valve, one end of the oil pipe is fixedly connected with the dripper, the top of the scraper body is fixedly connected with the feed inlet, and the top of the scraper body is fixedly connected with the controller.
[0007] According to the protection mechanism for scraper, the rotating wheel is engaged with the chain.
[0008] According to the protection mechanism for scraper, the spring damper is composed of a sleeve, a spring and a movable shaft.
[0009] According to the protection mechanism for scraper, the oil pipe penetrates the scraper body.
[0010] According to the protection mechanism for scraper, the dripper is installed at the top of the chain.
[0011] According to the protection mechanism for scraper, the side of the scraper body is fixedly connected with the operation table, and the side of the operation table is fixedly connected with the display screen.
[0012] According to the protection mechanism for the scraper conveyor, a sensor is fixedly connected inside the scraper conveyor body.
[0013] According to the protective mechanism for the scraper conveyor, a monitor is fixedly connected inside the scraper conveyor body.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This protective mechanism for scraper conveyors, by setting a spring damper, can reduce the pressure on the chain, prevent the chain teeth from breaking and slipping off the rotating wheel, and set up an oil tank. The flow of lubricating oil in the oil tank is controlled by the adjustment of the solenoid valve, and the oil drips onto the chain through the drip head, providing lubrication for the movement of the chain and reducing resistance to transporting goods.
[0016] 2. This protective mechanism for the scraper conveyor, by setting up sensors, can detect the tension of the chain, check the vibration amplitude and frequency of the chain, and play an early warning role to a certain extent. The operating table can control the movement speed of the chain inside the scraper conveyor body. The monitor installed can display the internal structure of the scraper conveyor body through the display screen, which also facilitates the maintenance of the scraper conveyor body.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0019] Figure 1 This is a perspective view of the protective mechanism of this utility model used in a scraper conveyor;
[0020] Figure 2 This is a cross-sectional view of the protective mechanism of this utility model used in a scraper conveyor;
[0021] Figure 3 This is a schematic diagram of the scraper body of the protective mechanism for a scraper conveyor according to the present invention;
[0022] Figure 4 For the present utility model Figure 2 An enlarged schematic diagram of the structure at point A in the middle.
[0023] In the diagram: 1. Scraper conveyor body; 2. Drive motor; 3. Rotating shaft; 4. Rotating wheel; 5. Chain; 6. Spring damper; 7. Scraper body; 8. Oil tank; 9. Oil pipe; 10. Solenoid valve; 11. Dripping head; 12. Feed inlet; 13. Controller; 14. Operating table; 1401. Display screen; 15. Sensor; 16. Monitor. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0025] Please refer to Figures 1-4 The utility model discloses an technical scheme: a protection mechanism for scraper machine, including scraper machine body 1, the side of scraper machine body 1 is fixedly connected with transmission motor 2, the output shaft of transmission motor 2 is fixedly connected with rotating shaft 3, and one end of rotating shaft 3 is fixedly connected with rotating wheel 4, the inside of scraper machine body 1 is provided with chain 5, and the inboard of chain 5 is fixedly connected with spring damper 6, and the side of spring damper 6 is fixedly connected with scraper body 7, and feed inlet 12 is set into inverted bucket shape, avoids material to leak, starts transmission motor 2, and transmission motor 2 drives rotating shaft 3 to rotate, and rotating shaft 3 drives rotating wheel 4 to rotate, drives chain 5 to move, makes scraper body 7 push material to move forward, and spring damper 6 is installed in the inboard of chain 5, reduces the vibration generated when chain 5 moves, by setting spring damper 6, the pressure of chain 5 can be slowed down, avoid chain 5 to hit the tooth, slip off from rotating wheel 4, set oil drum 8, through the regulation of solenoid valve 10, control the circulation of lubricating oil in oil drum 8, drop on chain 5 through dripper 11, provide lubrication for the movement of chain 5, reduce the resistance for the transportation of goods.
[0026] The top of scraper machine body 1 is fixedly connected with oil drum 8, the side of oil drum 8 is fixedly connected with oil pipe 9, the inside of oil pipe 9 is fixedly connected with solenoid valve 10, one end of oil pipe 9 is fixedly connected with dripper 11, the top of scraper machine body 1 is fixedly connected with feed inlet 12, the top of scraper machine body 1 is fixedly connected with controller 13, solenoid valve 10 controls the dripping speed and capacity of lubricating oil in oil drum 8, plays the lubricating effect between chain 5 and chain 5, reduces the stagnation when material moves, installs controller 13, control sensor 15 senses and detects the inside of scraper machine body 1, detects the vibration amplitude of chain 5 and whether chain 5 is displaced, through setting sensor 15, the tension of chain 5 can be detected, the vibration amplitude and frequency of chain 5 are checked, to a certain extent, play the early warning effect, set operating platform 14, can control the moving speed of chain 5 in scraper machine body 1, install monitor 16, through display screen 1401, the structure inside scraper machine body 1 can be displayed, also provide the convenience for the maintenance of scraper machine body 1.
[0027] The rotating wheel 4 is engaged with the chain 5, the spring damper 6 is composed of a sleeve, a spring and a movable shaft, the oil pipe 9 penetrates through the scraper body 1, the dripper 11 is installed at the top end of the chain 5, the side of the scraper body 1 is fixedly connected with the operation table 14, the side of the operation table 14 is fixedly connected with the display screen 1401, the inside of the scraper body 1 is fixedly connected with the sensor 15, and the inside of the scraper body 1 is fixedly connected with the monitor 16.
[0028] Working principle: in use, the power is turned on, the material is poured into the inside of the scraper body 1 from the feeding port 12, the feeding port 12 is arranged in the form of a hopper, so that the material is prevented from leaking, the transmission motor 2 is started, the transmission motor 2 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the rotating wheel 4 to rotate, the chain 5 is driven to move, the scraper body 7 pushes the material to move forward, the spring damper 6 is installed on the inner side of the chain 5, vibration generated when the chain 5 moves is reduced, when the chain 5 moves, the electromagnetic valve 10 controls the dripping speed and capacity of the lubricating oil in the oil drum 8, plays a lubricating role between the chain 5 and the chain 5, reduces the stagnation of the material when moving, the controller 13 is installed, the sensor 15 is controlled to sense and detect the inside of the scraper body 1, detects the vibration amplitude of the chain 5 and whether the chain 5 is displaced, so that the staff can take early warning effect on the maintenance of the scraper body 1, through the display screen 1401 on the operation table 14, the structure inside the scraper body 1 can be observed through the monitor 16.
[0029] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A protection mechanism for a screed machine, comprising a screed machine body (1), characterized in that, The side of the scraper machine body (1) is fixedly connected with a transmission motor (2), the output shaft of the transmission motor (2) is fixedly connected with a rotating shaft (3), one end of the rotating shaft (3) is fixedly connected with a rotating wheel (4), the inside of the scraper machine body (1) is provided with a chain (5), the inner side of the chain (5) is fixedly connected with a spring damper (6), the side of the spring damper (6) is fixedly connected with a scraper body (7); The top of the scraper machine body (1) is fixedly connected with an oil drum (8), the side of the oil drum (8) is fixedly connected with an oil pipe (9), the inside of the oil pipe (9) is fixedly connected with a solenoid valve (10), one end of the oil pipe (9) is fixedly connected with a dripping head (11), the top of the scraper machine body (1) is fixedly connected with a feeding port (12), the top of the scraper machine body (1) is fixedly connected with a controller (13).
2. The protection mechanism for a screed machine of claim 1, wherein: The rotating wheel (4) is engaged with the chain (5).
3. The protection mechanism for a screed machine of claim 1, wherein: The spring damper (6) is composed of a sleeve, a spring and a movable shaft.
4. The protection mechanism for a screed machine of claim 1, wherein: The oil pipe (9) penetrates the scraper machine body (1).
5. The protection mechanism for a screed machine of claim 1, wherein: The dripping head (11) is installed at the top of the chain (5).
6. The protection mechanism for a screed machine of claim 1, wherein: The side of the scraper machine body (1) is fixedly connected with an operation table (14), the side of the operation table (14) is fixedly connected with a display screen (1401).
7. The protection mechanism for a screed machine of claim 1, wherein: The inside of the scraper machine body (1) is fixedly connected with a sensor (15).
8. The protection mechanism for a screed machine of claim 1, wherein: The inside of the scraper machine body (1) is fixedly connected with a monitor (16).