Scraper machine with speed measuring device

By installing a speed measuring device and a mobile support structure on the scraper conveyor, the problems of speed measurement and data anomaly detection of the scraper conveyor are solved, and convenient movement and stable support are achieved, improving the ease of operation and safety.

CN224242002UActive Publication Date: 2026-05-15TAIAN TENGFENG ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIAN TENGFENG ENVIRONMENTAL PROTECTION EQUIP CO LTD
Filing Date
2025-05-29
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing scraper conveyors are inconvenient for speed measurement and detection of abnormal data, and are also inconvenient for personnel to move or provide stable support.

Method used

A speed measuring device, including a speed sensor, signal processing module, alarm module, encoder, and wireless transmission module, is installed on the scraper conveyor to detect the chain speed and trigger an alarm when abnormalities occur. The machine's movement and stable support are achieved through the cooperation of a fixed frame, limit lifting frame, compression spring, moving wheels, and locking rod. Explosion-proof lighting is provided for nighttime use.

Benefits of technology

It enables speed measurement and alarm functions for scraper conveyors, facilitating personnel to move or stabilize the machine as needed, thus improving operational convenience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of scrapers, and discloses a scraper with a speed measuring device, which comprises a frame, the top of the frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving gear, the surface of the driving gear is meshed with a transmission chain, and the transmission chain is connected with the speed measuring device. A driven gear is connected to the inner wall of the transmission chain in an engaged mode, a connecting rotating rod is fixedly connected to the inner side wall of the driven gear, and a driving chain wheel is fixedly connected to one end of the connecting rotating rod. According to the scraper with the speed measuring device, through cooperative arrangement of the fixing frame, the limiting lifting frame, compression springs, moving wheels, reset springs and clamping rods, when the scraper is used, a worker can press the clamping rods to compress the reset springs to be clamped into corresponding limiting holes for fixing, and then the limiting lifting frame and the moving wheels are driven to move up and down according to needs; and therefore, personnel can conveniently move the scraper conveyor through the moving wheels or fold the moving wheels to stably support the scraper conveyor according to needs.
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Description

Technical Field

[0001] This utility model relates to the field of scraper conveyor technology, specifically a scraper conveyor with a speed measuring device. Background Technology

[0002] Scraper conveyors are widely used in industries and sectors such as metallurgy, building materials, power, chemical, cement, ports, docks, coal, mining, grain and oil, food, and feed. A scraper conveyor is a continuous transport device that uses a moving scraper chain to transport bulk materials within a closed rectangular cross-section casing; because the scraper chain is completely submerged in the material during transport, it is called a scraper conveyor.

[0003] Existing scraper conveyors are not convenient for speed measurement, detection of abnormal data and alarm, and are not convenient for personnel to move or stabilize the scraper conveyor as needed. Therefore, this utility model provides a scraper conveyor with a speed measuring device. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a scraper conveyor with a speed measuring device, thus solving the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a scraper conveyor with a speed measuring device, comprising a frame, a drive motor fixedly connected to the top of the frame, a drive gear fixedly connected to the output end of the drive motor, a transmission chain meshing with the surface of the drive gear, a driven gear meshing with the inner wall of the transmission chain, a connecting rod fixedly connected to the inner side wall of the driven gear, a drive sprocket fixedly connected to one end of the connecting rod, a scraper chain meshing with the surface of the drive sprocket, and a driven sprocket meshing with the inner wall of the scraper chain. A speed measuring device is fixedly connected to the inner wall of the frame. Fixed frames are fixedly connected to both the left and right sides of the frame. A limit lifting frame is fixedly connected inside the fixed frame. A compression spring is fixedly connected to the bottom of the limit lifting frame. The bottom of the compression spring is fixedly connected to the fixed frame. Moving wheels are fixedly connected to both sides of the bottom of the limit lifting frame. A return spring is fixedly connected to the inner wall of the limit lifting frame. A snap-fit ​​rod is fixedly connected to the surface of the return spring. Two snap-fit ​​holes are opened on the surface of the fixed frame. The snap-fit ​​rod snaps into the snap-fit ​​holes. An explosion-proof lighting lamp is fixedly connected to the upper surface of the frame.

[0008] Preferably, the surface of the connecting rod is rotatably connected to the frame via a bearing seat.

[0009] Preferably, the end of the drive sprocket furthest from the connecting rod is rotatably connected to the frame via a bearing seat, and both ends of the driven sprocket are rotatably connected to the frame via bearing seats.

[0010] Preferably, the speed measuring device includes a speed sensor, a signal processing module, an alarm module, an encoder, and a wireless transmission module.

[0011] Preferably, the speed sensor is a photoelectric sensor, which includes a photoelectric transmitter and a photoelectric receiver, and the photoelectric transmitter and the photoelectric receiver are respectively installed on both sides of the scraper chain.

[0012] Preferably, the encoder is electrically connected to the driving sprocket or the driven sprocket.

[0013] Preferably, the alarm module includes an audible and visual alarm and a relay, the relay being connected to the control circuit of the drive motor, and the wireless transmission module remotely transmitting speed data to the monitoring terminal.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a scraper conveyor with a speed measuring device, which has the following beneficial effects:

[0016] This scraper conveyor with a speed measuring device is configured with the cooperation of a speed measuring device, a speed sensor, a signal processing module, an alarm module, an encoder, and a wireless transmission module. During operation, the speed sensor detects the running speed of the scraper chain. The signal processing module is connected to the speed sensor to analyze the speed data and determine if there are any abnormalities. The alarm module issues an alarm or controls the machine to stop when the speed is abnormal. The photoelectric transmitter and receiver, and the encoder connected to the drive or driven sprocket, are used to accurately measure the chain speed and feed it back to the control system. The alarm module includes an audible and visual alarm and a relay. The relay is connected to the control circuit of the drive motor and cuts off when the speed is abnormal. When the power is off, the wireless transmission module is used to remotely transmit speed data to the monitoring terminal, thereby enabling the scraper conveyor to measure speed, detect abnormal data, and trigger an alarm. Through the coordinated arrangement of the fixed frame, limit lifting frame, compression spring, moving wheels, return spring, and locking rod, personnel can press the locking rod to compress the return spring and lock it into the corresponding limit hole for fixation. This, in turn, drives the limit lifting frame and moving wheels to move up and down as needed. This facilitates personnel to move the scraper conveyor using the moving wheels or to retract the moving wheels for stable support. The inclusion of explosion-proof lighting facilitates the use of the scraper conveyor with the speed measuring device at night. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the structure of this utility model.

[0019] In the diagram: 1. Frame; 2. Drive motor; 3. Drive gear; 4. Transmission chain; 5. Driven gear; 6. Drive sprocket; 7. Scraper chain; 8. Driven sprocket; 9. Fixed frame; 10. Limit lifting frame; 11. Compression spring; 12. Moving wheel; 13. Return spring; 14. Locking rod; 15. Explosion-proof lighting lamp; 16. Speed ​​measuring device; 161. Speed ​​sensor; 162. Signal processing module; 163. Alarm module; 164. Encoder; 165. Wireless transmission module. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-2This utility model provides a technical solution: a scraper conveyor with a speed measuring device, comprising a frame 1, a drive motor 2 fixedly connected to the top of the frame 1, a drive gear 3 fixedly connected to the output end of the drive motor 2, a transmission chain 4 meshing with the surface of the drive gear 3, a driven gear 5 meshing with the inner wall of the transmission chain 4, a connecting rod fixedly connected to the inner side wall of the driven gear 5, a drive sprocket 6 fixedly connected to one end of the connecting rod, a scraper chain 7 meshing with the surface of the drive sprocket 6, a driven sprocket 8 meshing with the inner wall of the scraper chain 7, and a speed measuring device 16 fixedly connected to the inner side wall of the frame 1. The system utilizes the speed measuring device 16, a speed sensor 161, a signal processing module 162, and an alarm module 163. The encoder 164 and wireless transmission module 165 are configured in conjunction with each other. In operation, speed sensor 161 detects the running speed of the scraper chain 7. Signal processing module 162 is connected to speed sensor 161 to analyze speed data and determine if any abnormalities occur. Alarm module 163 issues an alarm or controls shutdown when speed is abnormal. The encoder 164 is connected to the drive sprocket 6 or driven sprocket 8 to accurately measure chain speed and feed it back to the control system. Alarm module 163 includes an audible and visual alarm and a relay. The relay is connected to the control circuit of drive motor 2 and cuts off power when speed is abnormal. Wireless transmission module 165 is used to remotely transmit speed data to a monitoring terminal, thereby achieving… The machine serves to measure the speed of the scraper conveyor, detect abnormal data, and trigger an alarm. Fixed frames 9 are fixedly connected to both sides of the frame 1. Through the cooperation of the fixed frames 9, the limiting lifting frame 10, the compression spring 11, the moving wheel 12, the return spring 13, and the locking rod 14, during use, personnel can press the locking rod 14 to compress the return spring 13 and lock it into the corresponding limiting hole for fixation. This, in turn, drives the limiting lifting frame 10 and the moving wheel 12 to move up and down as needed. This facilitates personnel to move the scraper conveyor using the moving wheel 12 or to retract the moving wheel 12 for stable support. The internal fixed frame 9 has the limiting lifting frame 10 fixedly connected, and the bottom of the limiting lifting frame 10 is fixedly connected to the compression spring 11. The bottom of spring 11 is fixedly connected to the fixed frame 9. Moving wheels 12 are fixedly connected to both sides of the bottom of the limiting lifting frame 10. A return spring 13 is fixedly connected to the inner wall of the limiting lifting frame 10. A snap-fit ​​rod 14 is fixedly connected to the surface of the return spring 13. Two snap-fit ​​holes are opened on the surface of the fixed frame 9, and the snap-fit ​​rod 14 snaps into the snap-fit ​​holes. An explosion-proof lighting lamp 15 is fixedly connected to the upper surface of the frame 1. The explosion-proof lighting lamp 15 facilitates the use of the scraper machine with a speed measuring device at night. The surface of the connecting rotating rod is rotatably connected to the frame 1 through a bearing seat. The end of the drive sprocket 6 away from the connecting rotating rod is rotatably connected to the frame 1 through a bearing seat. Both ends of the driven sprocket 8 are rotatably connected to the frame 1 through bearing seats.The speed measuring device 16 includes a speed sensor 161, a signal processing module 162, an alarm module 163, an encoder 164, and a wireless transmission module 165. The speed sensor 161 is a photoelectric sensor, comprising a photoelectric transmitter and a photoelectric receiver, which are respectively installed on both sides of the scraper chain 7. The encoder 164 is electrically connected to either the drive sprocket 6 or the driven sprocket 8. The alarm module 163 includes an audible and visual alarm and a relay. The relay is connected to the control circuit of the drive motor 2. The wireless transmission module 165 remotely transmits the speed data to a monitoring terminal.

[0022] In summary, this scraper conveyor with a speed measuring device, through the coordinated setup of the speed measuring device 16, speed sensor 161, signal processing module 162, alarm module 163, encoder 164, and wireless transmission module 165, uses the speed sensor 161 to detect the running speed of the scraper chain 7 during operation. The signal processing module 162 is connected to the speed sensor 161 to analyze the speed data and determine whether there is an abnormality. The alarm module 163 issues an alarm or controls the machine to stop when the speed is abnormal. The photoelectric transmitter and photoelectric receiver, and the encoder 164 are connected to the drive sprocket 6 or driven sprocket 8 to accurately measure the chain speed and feed it back to the control system. The alarm module 163 includes an audible and visual alarm and a relay, the relay being connected to the control circuit of the drive motor 2. When the speed is abnormal, the power is cut off. The wireless transmission module 165 is used to remotely transmit the speed data to the monitoring terminal, thereby playing the role of measuring the speed of the scraper machine, detecting abnormal data and alarming. Through the cooperation of the fixed frame 9, the limit lifting frame 10, the compression spring 11, the moving wheel 12, the reset spring 13 and the locking rod 14, the user can press the locking rod 14 to compress the reset spring 13 and lock it into the corresponding limit hole for fixation. This will drive the limit lifting frame 10 and the moving wheel 12 to move up and down as needed, thus facilitating the user to move the scraper machine or retract the moving wheel 12 for stable support as needed. The explosion-proof lighting 15 facilitates the use of the scraper machine with speed measuring device at night.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] In the description of this utility model, it should also be noted that the device structure and drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0025] In the description of this utility model, it should also be noted that all standard parts used can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the structure and principle of the components known to those skilled in the art can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0026] It should also be noted that, in this document, relational terms such as "first" and "second" are used only 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 said element.

[0027] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A scraper conveyor with a speed measuring device, comprising a frame (1), characterized in that: A drive motor (2) is fixedly connected to the top of the frame (1). A drive gear (3) is fixedly connected to the output end of the drive motor (2). A transmission chain (4) is meshed with the surface of the drive gear (3). A driven gear (5) is meshed with the inner wall of the transmission chain (4). A connecting rod is fixedly connected to the inner side wall of the driven gear (5). A drive sprocket (6) is fixedly connected to one end of the connecting rod. A scraper chain (7) is meshed with the surface of the drive sprocket (6). A driven sprocket (8) is meshed with the inner wall of the scraper chain (7). A speed measuring device (16) is fixedly connected to the inner side wall of the frame (1). Both sides of the frame (1) are fixedly connected to... A fixed frame (9) is attached, and a limiting lifting frame (10) is fixedly connected inside the fixed frame (9). A compression spring (11) is fixedly connected to the bottom of the limiting lifting frame (10). The bottom of the compression spring (11) is fixedly connected to the fixed frame (9). Moving wheels (12) are fixedly connected to both sides of the bottom of the limiting lifting frame (10). A return spring (13) is fixedly connected to the inner side wall of the limiting lifting frame (10). A snap-fit ​​rod (14) is fixedly connected to the surface of the return spring (13). Two snap-fit ​​holes are opened on the surface of the fixed frame (9). The snap-fit ​​rod (14) snaps into the snap-fit ​​holes. An explosion-proof lighting lamp (15) is fixedly connected to the upper surface of the frame (1).

2. A scraper conveyor with a speed measuring device according to claim 1, characterized in that: The surface of the connecting rod is rotatably connected to the frame (1) through a bearing seat.

3. A scraper conveyor with a speed measuring device according to claim 1, characterized in that: The end of the driving sprocket (6) away from the connecting rod is rotatably connected to the frame (1) through a bearing seat, and both ends of the driven sprocket (8) are rotatably connected to the frame (1) through bearing seats.

4. A scraper conveyor with a speed measuring device according to claim 1, characterized in that: The speed measuring device (16) includes a speed sensor (161), a signal processing module (162), an alarm module (163), an encoder (164), and a wireless transmission module (165).

5. A scraper conveyor with a speed measuring device according to claim 4, characterized in that: The speed sensor (161) is a photoelectric sensor, which includes a photoelectric transmitter and a photoelectric receiver, and the photoelectric transmitter and the photoelectric receiver are respectively installed on both sides of the scraper chain (7).

6. A scraper conveyor with a speed measuring device according to claim 4, characterized in that: The encoder (164) is electrically connected to the driving sprocket (6) or the driven sprocket (8).

7. A scraper conveyor with a speed measuring device according to claim 4, characterized in that: The alarm module (163) includes an audible and visual alarm and a relay. The relay is connected to the control circuit of the drive motor (2). The wireless transmission module (165) remotely transmits speed data to the monitoring terminal.