Scraper machine with detection device

By installing encoder structures on the drive and driven shafts of the scraper conveyor, the rotational speed can be monitored and adjusted in real time, solving the problem that the scraper conveyor cannot detect speeds in real time and improving the reliability and safety of the equipment.

CN224046204UActive Publication Date: 2026-03-27青岛康恒再生能源有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing technologies, scraper conveyors cannot detect their operating status in real time, which makes it impossible to adjust the operating speed in a timely manner, and can easily lead to chain breakage accidents and equipment damage.

Method used

Encoder structures are installed on the drive shaft and driven shaft of the scraper conveyor. The encoders monitor the rotation speed of the shaft in real time and transmit the data to the DCS system. The speed is adjusted in conjunction with the variable frequency motor and the material flow switch. A monitoring camera is also equipped to monitor the internal images in real time.

Benefits of technology

It enables real-time monitoring of the scraper conveyor's operating status, automatically adjusts the speed according to the working conditions, avoids equipment damage, and improves the equipment's operational reliability and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a scraper machine with a detection device, and relates to the technical field of scraper machine detection equipment, the scraper machine comprises a scraper machine case, a driven shaft, a driving shaft and two encoder structures, one end of the scraper machine case is rotatably connected with the driven shaft, and the other end of the scraper machine case is rotatably connected with the driving shaft; two encoder structures are arranged on the scraper machine case, and the driven shaft and the driving shaft are connected with the corresponding encoder structures respectively so as to be used for detecting the rotating speed of the driven shaft and the rotating speed of the driving shaft through the corresponding encoder structures. The technical problem that in the prior art, due to the fact that the operation state of the scraper conveyor cannot be detected in real time, operation personnel cannot adjust the operation speed in time according to working conditions is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scraper conveyor detection equipment, and especially to a scraper conveyor with detection device. BACKGROUND

[0002] The scraper conveyor plays an important role in the production of the garbage power plant, has high production efficiency and large conveying and processing capacity, and belongs to important auxiliary equipment of the garbage power plant.

[0003] Because the scraper conveyor is put into continuous operation immediately after the start of the boiler, and the working environment is poor, the scraper, the pin, the connecting plate and other accessories are severely worn, which can easily lead to the occurrence of the scraper conveyor chain breaking accident. The scraper conveyor chain breaking protection device is an extremely important part of its operation protection. If the chain breaking cannot function to stop the scraper in time after the occurrence of the chain breaking, the chain will be wound, the driving motor and the speed reducer will be damaged, and other adverse consequences will occur, which will bring many inconveniences to the subsequent maintenance work.

[0004] In the prior art, a proximity switch is usually installed on the driving wheel and the driven wheel, or a photoelectric sensor is installed near the scraper to detect the rotation condition. However, such a detection method can only detect whether the wheel rotates, and cannot monitor the rotation speed in real time, so it cannot provide reliable numerical basis for speed adjustment of the scraper conveyor. UTILITARY MODEL CONTENTS

[0005] The utility model aims at providing a scraper conveyor with a detection device to alleviate the technical problem that the operating personnel cannot adjust the operating speed in time according to the working condition because the operating state of the scraper conveyor cannot be detected in real time in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] In the first aspect, the utility model provides a scraper conveyor with a detection device, which comprises a scraper conveyor case, a driven shaft, a driving shaft and two encoder structures. One end of the scraper conveyor case is rotationally connected with the driven shaft, and the other end is rotationally connected with the driving shaft.

[0008] Two encoder structures are arranged on the scraper conveyor case, and the driven shaft and the driving shaft are connected with the corresponding encoder structures, so as to detect the rotation speed of the driven shaft and the driving shaft through the corresponding encoder structures.

[0009] Further, the encoder structure comprises an encoder assembly, a fixed plate and a connecting assembly, and the encoder assembly is connected with the fixed plate.

[0010] The connecting assembly is provided with two groups, and both groups of the connecting assembly are in sliding connection with the fixed plate and are arranged on both sides of the encoder assembly, and one end of the connecting assembly away from the fixed plate is detachably connected with the scraper machine box.

[0011] Further, the fixed plate is provided with two long through holes along the extension direction thereof, and the two long through holes are arranged on both sides of the encoder assembly.

[0012] The long through hole is detachably connected with the corresponding connecting assembly.

[0013] Further, the connecting assembly comprises a connecting screw, a first fixed nut, a limiting nut and a second fixed nut, one end of the connecting screw penetrates through the long through hole, and the other end is connected with the threaded hole of the scraper machine box.

[0014] The limiting nut and the second fixed nut are both connected with the connecting screw, and the limiting nut and the second fixed nut are used for clamping the fixed plate.

[0015] The first fixed nut is connected with the connecting screw, and the first fixed nut is in abutment with the scraper machine box.

[0016] Further, the encoder assembly comprises an encoder body and a fixed bottom plate, and the encoder body is detachably connected with the fixed bottom plate.

[0017] The fixed bottom plate is connected with the fixed plate.

[0018] Further, the encoder structure further comprises a shaft coupling and a fixing assembly, one end of the fixing assembly is connected with the encoder assembly through the shaft coupling.

[0019] One end of the fixing assembly away from the shaft coupling is detachably connected with the driven shaft or the driving shaft.

[0020] Further, the fixing assembly comprises a fixed screw and a pressing nut, one end of the fixed screw is connected with the shaft coupling, and the other end is connected with the threaded hole of the driven shaft or the driving shaft.

[0021] The pressing nut is connected with the fixed screw, and the pressing nut is used for pressing at the driven shaft or the driving shaft.

[0022] Further, one end of the scraper machine box is provided with an inlet end, and the inlet end is provided with an inlet switch.

[0023] Further, one end of the scraper machine box away from the inlet end is provided with an outlet end, and the outlet end is provided with an outlet switch.

[0024] Further, the scraper machine box is provided with a driving member, and the driving shaft is provided with a driving wheel, and the driving member is connected with the driving wheel through a connecting member, so as to drive the driving wheel to rotate.

[0025] The utility model discloses can realize following beneficial effect:

[0026] First, the utility model provides a kind of scraper machine of detection device, including scraper machine box, driven shaft, driving shaft and two encoder structures, one end of scraper machine box is rotatably connected with the driven shaft, and the other end is rotatably connected with driving shaft;Two encoder structures are provided on scraper machine box, and driven shaft and driving shaft are connected with corresponding encoder structure respectively, to detect the rotation speed of driven shaft and driving shaft by corresponding encoder structure.

[0027] In the utility model, scraper machine box is preferably cuboid structure, and driven shaft and driving shaft are respectively arranged at the two ends of scraper machine box, and two encoder structures are arranged on the outer side of scraper machine box, one of which is arranged at the position of driven shaft, and the other is arranged at the position of driving shaft.When using, the rotation speed of driven shaft and driving shaft is synchronously output to DCS (PLC) system host computer display by corresponding encoder structure, and frequency conversion motor is driven scraper machine, and the working speed of scraper machine can be adjusted according to the signal of material flow switch, the scraper machine is automatically stopped in time in the case of abnormal speed feedback signal, and monitoring camera is equipped, and internal operation image of scraper machine is monitored in real time.

[0028] Compared with prior art, the scraper machine of detection device provided by the utility model realizes the monitoring of the rotation speed of driven shaft and driving shaft by setting encoder structure on the driven shaft and the driving shaft, and the working speed of scraper machine can be adjusted according to the signal of material flow switch, and the use effect of scraper machine is automatically stopped in time in the case of abnormal speed feedback signal.

[0029] In summary, the utility model at least alleviates the technical problem that operating personnel cannot adjust operating speed in time according to working condition because the running state of scraper machine cannot be detected in real time in prior art. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the drawings needed in specific embodiment or prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0031] Figure 1The utility model provides a three -dimensional structure schematic diagram of the detection part of the scraper of the detection device.

[0032] Figure 2 The utility model provides a main view structure schematic drawing of the scraper of detection device.

[0033] Icon: 1-encoder assembly;11-encoder body;12-fixed bottom plate;2-fixed plate;21-long through hole;3-coupling;4-fixed assembly;41-fixed screw;42-pressing nut;5-connection assembly;51-connection screw;52-first fixed nut;53-limiting nut;54-second fixed nut;101-scraper machine case;102-driven shaft;103-feeding end;1031-feeding switch;104-discharge end;1041-discharge switch;105-driving wheel;1051-driving shaft;106-monitoring camera;107-driving piece. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the utility model, rather than all the embodiments. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the utility model.

[0036] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0037] In the description of the utility model, it needs to be explained that, the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, which is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0038] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0039] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0041] Example one

[0042] The embodiment provides a detection device, which refers to Figure 1 and Figure 2 The detection device comprises a scraper box 101, a driven shaft 102, a driving shaft 1051 and two encoder structures, one end of the scraper box 101 is rotationally connected with the driven shaft 102, and the other end is rotationally connected with the driving shaft 1051; the scraper box 101 is provided with two encoder structures, and the driven shaft 102 and the driving shaft 1051 are connected with the corresponding encoder structures respectively, so as to detect the rotation speed of the driven shaft 102 and the driving shaft 1051 through the corresponding encoder structures.

[0043] The utility model embodiment at least alleviates the technical problem that the running personnel cannot adjust the running speed in time according to the working condition because the running state of the scraper cannot be detected in real time in the prior art.

[0044] In the embodiment of the utility model, the scraper machine case 101 is preferably cuboid structure, and the driven shaft 102 and the driving shaft 1051 are respectively arranged at both ends of the scraper machine case 101, and two encoder structures are arranged on the outer side of the scraper machine case 101, one of which is arranged at the position of the driven shaft 102, and the other is arranged at the position of the driving shaft 1051. When in use, the rotation speeds of the driven shaft 102 and the driving shaft 1051 are synchronously output to the DCS (PLC) system host computer display through the corresponding encoder structure, and the scraper machine is driven by the frequency conversion motor, the working speed of the scraper machine can be adjusted according to the signal of the material flow switch, the scraper machine is automatically stopped in time in the case of abnormal speed feedback signal, and a monitoring camera 106 is equipped, and the internal operation image of the scraper machine is monitored in real time.

[0045] Compared with the prior art, the scraper machine of the detection device provided in the embodiment of the utility model can realize the monitoring of the rotation speeds of the driving shaft 1051 and the driven shaft 102 by arranging the encoder structure on the driving shaft 1051 and the driven shaft 102, and the working speed of the scraper machine can be adjusted according to the signal of the material flow switch, and the scraper machine is automatically stopped in time in the case of abnormal speed feedback signal.

[0046] In the optional implementation of the embodiment, referring to Figure 1 The encoder structure comprises an encoder assembly 1, a fixed plate 2 and a connecting assembly 5, the encoder assembly 1 is connected with the fixed plate 2, the connecting assembly 5 is provided in two groups, and the two groups of connecting assemblies 5 are both in sliding connection with the fixed plate 2 and are arranged on the two sides of the encoder assembly 1, and one end of the connecting assembly 5 away from the fixed plate 2 is in detachable connection with the scraper machine case 101.

[0047] Specifically, the fixed plate 2 is a rectangular plate structure, one side of the fixed plate 2 is connected with the encoder assembly 1, and the two ends of the fixed plate 2 are both provided with the connecting assembly 5 and are in detachable connection with the scraper machine case 101 through the connecting assembly 5, thereby improving the fixing firmness of the fixed plate 2 relative to the scraper machine case 101.

[0048] Further, referring to Figure 1 Two long through holes 21 are formed in the fixed plate 2 along the extension direction of the fixed plate 2, and the two long through holes 21 are arranged on the two sides of the encoder assembly 1; the long through hole 21 is in detachable connection with the corresponding connecting assembly 5.

[0049] Specifically, the two long through holes 21 are symmetrically distributed along the encoder assembly 1, and the connecting assembly 5 can move along the corresponding long through hole 21 and be fixed at the corresponding position of the long through hole 21, so that the two connecting assemblies 5 can be adjusted at the actual installation position of the scraper machine case 101, and have more universal applicability.

[0050] Further, referring to Figure 1The connecting assembly 5 comprises a connecting screw 51, a first fixing nut 52, a limiting nut 53 and a second fixing nut 54. One end of the connecting screw 51 penetrates the long through hole 21, and the other end is connected with the threaded hole of the scraper machine box 101. The limiting nut 53 and the second fixing nut 54 are both connected with the connecting screw 51, and the limiting nut 53 and the second fixing nut 54 are used for clamping the fixing plate 2. The first fixing nut 52 is connected with the connecting screw 51, and the first fixing nut 52 abuts against the scraper machine box 101.

[0051] Specifically, the first end of the connecting screw 51 penetrates the corresponding long through hole 21, and the first end of the connecting screw 51 is provided with the limiting nut 53 and the second fixing nut 54. The fixing plate 2 is clamped by the limiting nut 53 and the second fixing nut 54, so that the connecting screw 51 is fixed relative to the fixing plate 2. By adjusting the positions of the limiting nut 53 and the second fixing nut 54, the extension length of the second end of the connecting screw 51 can also be adjusted. The second end of the connecting screw 51 is used for being connected with the scraper machine box 101, so as to tightly abut the scraper machine box 101 by the first fixing nut 52, and then fix the connecting screw 51 relative to the scraper machine box 101.

[0052] In an optional embodiment of the present embodiment, referring to Figure 1 The encoder assembly 1 comprises an encoder body 11 and a fixing bottom plate 12. The encoder body 11 is detachably connected with the fixing bottom plate 12. The fixing bottom plate 12 is connected with the fixing plate 2.

[0053] Specifically, the encoder body 11 is detachably connected with the fixing bottom plate 12. Preferably, one end of the encoder body 11 is inserted into the fixing bottom plate 12 and is fixed by a screw along the circumferential direction at intervals. The fixing bottom plate 12 is detachably connected with the fixing plate 2.

[0054] In an optional embodiment of the present embodiment, referring to Figure 1 The encoder structure further comprises a shaft coupling 3 and a fixing assembly 4. One end of the fixing assembly 4 is connected with the encoder assembly 1 through the shaft coupling 3. The other end of the fixing assembly 4, which is away from the shaft coupling 3, is detachably connected with the driven shaft 102 or the driving shaft 1051.

[0055] Specifically, the first end of the fixing assembly 4 is connected with the fixing plate 2 through the shaft coupling 3, and the second end of the fixing assembly 4 is connected with the corresponding driven shaft 102 or driving shaft 1051, so that the encoder can be used to synchronously output the rotational speed.

[0056] Further, referring to Figure 1The fixing assembly 4 comprises a fixing screw 41 and a pressing nut 42, one end of the fixing screw 41 is connected with the shaft coupling 3, the other end is connected with the screw hole of the driven shaft 102 or the driving shaft 1051, the pressing nut 42 is connected with the fixing screw 41, and the pressing nut 42 is used for pressing the driven shaft 102 or the driving shaft 1051.

[0057] Specifically, the first end of the fixing screw 41 is connected with the shaft coupling 3, the other end is connected with the screw hole of the corresponding driven shaft 102 or driving shaft 1051, and the fixing screw 41 is pressed on the driven shaft 102 or driving shaft 1051 through the pressing nut 42, so as to realize stable connection of the fixing screw 41 and the shaft coupling 3.

[0058] In an optional embodiment of the present embodiment, referring to Figure 2 One end of the scraper box 101 is provided with an inlet end 103, and the inlet end 103 is provided with an inlet switch 1031.

[0059] Specifically, one end of the scraper box 101 is provided with an inlet end 103, and the inlet end 103 is provided with an inlet switch 1031; preferably, the inlet switch 1031 can be a plug plate, which is inserted into the inlet end 103 from the transverse direction to close the inlet end 103, and the opening of the inlet end 103 faces upward.

[0060] Further, referring to Figure 2 The end of the scraper box 101 away from the inlet end 103 is provided with an outlet end 104, and the outlet end 104 is provided with an outlet switch 1041.

[0061] Specifically, the end of the scraper box 101 away from the inlet end 103 is provided with an outlet end 104; preferably, the outlet switch 1041 can be a plug plate, which is inserted into the outlet end 104 from the transverse direction to close the outlet end 104, and the opening of the outlet end 104 faces downward.

[0062] Further, referring to Figure 2 The scraper box 101 is provided with a driving member 107, and the driving shaft 1051 is sleeved with a driving wheel 105, and the driving member 107 is connected with the driving wheel 105 through a connecting member, so as to drive the driving wheel 105 to rotate.

[0063] Specifically, the scraper box 101 is provided with a driving member 107, and the driving member 107 can be a variable frequency driving motor, so that the variable frequency driving motor can drive the driving wheel 105 to rotate through a belt.

[0064] Finally, it should be noted that: each of the embodiments in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between each embodiment can be mutually referred to; the above embodiments in the specification are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A dragline having a detection device, characterised in that, The scraper box (101) is rotatably connected with the driven shaft (102) at one end and rotatably connected with the driving shaft (1051) at the other end; Two encoder structures are arranged on the scraper box (101), and the driven shaft (102) and the driving shaft (1051) are connected with the corresponding encoder structures respectively, so as to detect the rotation speed of the driven shaft (102) and the driving shaft (1051) through the corresponding encoder structures.

2. The scraper with detection device according to claim 1, characterized in that The encoder structure comprises an encoder assembly (1), a fixed plate (2) and a connecting assembly (5), and the encoder assembly (1) is connected with the fixed plate (2); The connecting assembly (5) is provided in two groups, and the two groups of connecting assemblies (5) are slidably connected with the fixed plate (2) and arranged on the two sides of the encoder assembly (1), and one end of the connecting assembly (5) away from the fixed plate (2) is detachably connected with the scraper box (101).

3. The scraper with detection device according to claim 2, characterized in that The fixed plate (2) is provided with two long holes (21) along the extension direction thereof, and the two long holes (21) are arranged on the two sides of the encoder assembly (1); The long hole (21) is detachably connected with the corresponding connecting assembly (5).

4. The scraper with detection device according to claim 3, characterized in that The connecting assembly (5) comprises a connecting screw (51), a first fixed nut (52), a limiting nut (53) and a second fixed nut (54), one end of the connecting screw (51) penetrates through the long hole (21), and the other end is connected with the threaded hole of the scraper box (101); The limiting nut (53) and the second fixed nut (54) are connected with the connecting screw (51), and the limiting nut (53) and the second fixed nut (54) are used for clamping the fixed plate (2); The first fixed nut (52) is connected with the connecting screw (51), and the first fixed nut (52) abuts against the scraper box (101).

5. The scraper with detection device according to claim 2, characterized in that, The encoder assembly (1) comprises an encoder body (11) and a fixed bottom plate (12), and the encoder body (11) is detachably connected with the fixed bottom plate (12); The fixed bottom plate (12) is connected with the fixed plate (2).

6. The scraper with detection device according to claim 2, characterized in that The encoder structure further comprises a shaft coupling (3) and a fixed assembly (4), one end of the fixed assembly (4) is connected with the encoder assembly (1) through the shaft coupling (3); The other end of the fixed assembly (4) away from the shaft coupling (3) is detachably connected with the driven shaft (102) or the driving shaft (1051).

7. The scraper with detection device according to claim 6, characterized in that The fixed assembly (4) comprises a fixed screw (41) and a pressing nut (42), one end of the fixed screw (41) is connected with the shaft coupling (3), and the other end is connected with the threaded hole of the driven shaft (102) or the driving shaft (1051). The compression nut (42) is connected with the fixed screw rod (41), and the compression nut (42) is used for compressing at the driven shaft (102) or the driving shaft (1051).

8. The scraper with detection device according to claim 1, characterized in that One end of the scraper box (101) is provided with a feeding end (103), and the feeding end (103) is provided with a feeding switch (1301).

9. The scraper with detection device according to claim 8, characterized in that The other end of the scraper box (101) away from the feeding end (103) is provided with a discharging end (104), and the discharging end (104) is provided with a discharging switch (1041).

10. The scraper with detection device according to claim 9, characterized in that The scraper box (101) is provided with a driving member (107), and the driving shaft (1051) is sleeved with a driving wheel (105), and the driving member (107) is connected with the driving wheel (105) through a connecting piece, so as to drive the driving wheel (105) to rotate.