Anti-adhesion device for conveyor chain

Abstract

To provide an adhesion prevention device of a conveyor chain, which shakes off ash or the like entering into a gap in the conveyor chain and prevents the generation of a bend failure.SOLUTION: An adhesion prevention device of a conveyor chain comprises: a base 1 provided on both sides of a double conveyor chain; two bearings 2 attached to the base 1; a rotatable shaft 3 penetrating the bearings 2; an arm 4 fixed to the shaft 3, a weight 5 attached to a tip part of the arm 4; and a cam 7 fixed to the shaft 3 and insertable between the plates of the conveyor chain, in accordance with the movement of the conveyor chain, the cam 7 comes into contact with a roller 8 of the conveyor chain, causing the shaft 3 to rotate, the weight 5 attached to a tip of the arm 4 is lift up, when the cam 7 is released from contact with the roller 8 of the conveyor chain, the weight 5 strikes the roller 8 of the conveyor chain, making the structure simple and easy without the need for electrical control or external force.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an adhesion prevention device for a conveyor chain in a conveyor device such as a flight conveyor that conveys conveyed materials such as incineration ash mixed with powder, moist ash, etc., in order to prevent adhesion that hinders the movement of the conveyor chain in advance.

[0002] When conveying incineration ash containing moisture and humidity, a scraper conveyor is used and moved so that the conveyed material is scraped by the scraper. In this case, the scraper is driven by a conveyor chain attached to the scraper.

[0003] This conveyor chain is composed of pins, bushings, rollers, and plates. Incineration ash, etc. may enter between the respective connecting or sliding portions. The moisture of the entered incineration ash evaporates, the incineration ash solidifies, the movement of the respective connecting or sliding portions deteriorates, and the rollers may not rotate smoothly.

[0004] When the roller does not rotate, sliding resistance occurs between the roller and the guide rail, the energy for operation may increase, and the electricity consumption may increase.

[0005] In addition, the non-rotating roller slides on the guide rail, causing wear of the roller and the guide rail, imposing an excessive load on the conveyor chain, and resulting in problems such as shortening the life of the conveyor chain and the rail.

[0006] Therefore, it is desirable to remove incineration ash, etc. that has entered between the pins, rollers, and plates of the conveyor chain. If it is not removed for a long time or maintenance is not performed, the conveyor chain will become fixed, and it has been desired to prevent this fixation in advance.

Background Art

[0007] Conventionally, when conveying incineration ash or the like by a conveyor, since casing-type conveyors are often used, it is impossible to see inside the conveyor, and it is impossible to directly see the amount of incineration ash or the like being conveyed, the conveying state, the driving state of the conveyor, etc., making it difficult to grasp the operation of the conveyor.

[0008] Therefore, in order to grasp the state inside the conveyor, it is desired to make the operation inside the conveyor visible by measuring the tension of the conveyor chain, so that wear of the conveyor chain, deformation of the guide rail, etc. can also be predicted, and it is possible to plan the replacement timing of parts, etc.

[0009] However, when measuring the tension of the conveyor chain inside the conveyor, it is assumed that the conveyor chain itself is driving normally.

[0010] That is, for the conveyor chain to be driving normally, it is necessary that there is no clogging of incineration ash or the like between the pins, bushings, rollers, and plates that make up the conveyor chain, the conveyor chain is not bent and fixed, and the rollers that make up the chain rotate smoothly on the guide rail.

[0011] When ash containing moisture enters between the plates that make up the conveyor chain and the moisture evaporates and the ash adheres, although the conveyor chain should slide smoothly on the guide rail originally, it becomes difficult for the plate to bend smoothly, and there may be a bending defect where it hardens in a bent state.

[0012] Also, when the plate bends and adheres in this way, the total length of the left and right conveyor chains changes respectively, and the lengths of the left and right conveyor chains become different, making it impossible to accurately measure the tension of the conveyor chain. Also, because the lengths of the left and right conveyor chains are different, it has become difficult to make appropriate tension adjustment of the chain by the take-up operation.

[0013] Furthermore, there has been a situation where a conveyor chain with a bending defect contacts the guide rail and the conveyor chain is cut, and the operation of the conveyor has to be stopped.

[0014] Therefore, currently, the parts with bending defects are hit about once a month with a hammer or the like to eliminate the stuck parts by hitting the non-rotating parts of the chain and rollers.

[0015] This operation is effective in eliminating the sticking of bending defects, but it is a dangerous operation while the conveyor is running. Also, in order to stop the conveyor device regularly for a long time, the incinerator has to be stopped, which also affects the operation and maintenance of the system and is not efficient. Moreover, if regular work is neglected, the entire conveyor will stop due to chain sticking or bending defects, and the incinerator will also stop.

[0016] In addition, even when the conveyor chain is in a normal state, it has been difficult to measure the chain tension. Moreover, when the chain has a bending defect, it has been even more impossible to accurately measure the tension.

[0017] Also, when incineration ash or the like accumulates between the scraper and the bottom plate of the conveyor, the accumulation may be resolved by rotating the conveyor forward and backward, but it has been difficult to automate this operation. The reason is that when the chain has a bending defect, if it rotates in reverse, there is a possibility of an accident that damages the conveyor itself.

[0018] Therefore, if the occurrence of bending defects can be prevented, the forward and reverse movements of the conveyor chain can be automated, which is very effective.

[0019] Therefore, an object of the present invention is to provide an anti-adhesion device for a conveyor chain that periodically applies an impact to the conveyor chain to remove ash and the like that cause sticking and enter between pins, bushes, rollers, and plates, and prevent the intrusion from sticking in the first place.

Prior Art Documents

Patent Documents

[0020]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0021] When transporting incineration ash and the like by a conveyor, it is possible to observe the amount of the transported material, the transport state, the drive state of the conveyor, etc., so that the operation of the conveyor can be grasped. By measuring the chain tension, the operation inside the conveyor can be visualized, wear of the chain, deformation of the rail, etc. can also be predicted, and planning for the replacement timing of parts can also be done.

[0022] Therefore, in order for the conveyor chain to drive smoothly, ash and the like that have entered the gaps between the pins, rollers, plates, etc. that make up the conveyor chain are removed by impact, and the adhesion of the adherends is prevented in advance.

[0023] Also, by grasping the change in the tension applied to the left and right conveyor chains, the sag of the conveyor chain can be grasped, and in order to make the tension of the conveyor chain appropriate, it is possible to easily adjust the appropriate tension to the chain in the take-up operation of the driven shaft.

[0024] Furthermore, it is possible to reduce the wear of the conveyor chain, extend the life of the conveyor chain, achieve energy savings, reduce the wear of guide rails, sprockets, etc., lower the running cost, and contribute to decarbonization.

[0025] Also, conventionally, the operating time (period) was determined according to the degree of adhesion of ash, etc. on the chain, and the operator gave blows with a hammer once or twice a month. However, there is no need to stop the conveyor to inspect the inside of the conveyor and perform operations such as the operator using a hammer or the like to eliminate the stuck chain, and an anti-adhesion device for the conveyor chain that is excellent in terms of safety and reduction of labor costs is provided.

[0026] Here, based on FIGS. 10 to 17, a situation where incineration ash or the like adheres to the conveyor chain and the original freedom of the conveyor chain is lost will be described.

[0027] FIG. 10 is an explanatory diagram showing the configuration of the roller portion of the conveyor chain.

[0028] In FIG. 10, 31 is a conveyor chain, which is composed of an inner link 32 and an outer link 33. 8 is a roller. 34 is a pin, and the outer link 33, the inner link 32, and the roller 8 are fastened with a T-pin 36 on the opposite side. 35 is a bush.

[0029] FIG. 11 shows a state where ash enters between the roller 8 and the bush 35. When ash enters the portion indicated by the hatching in FIG. 11, the ash or the like that has entered between the roller 8 and the bush 35 inhibits the smooth rotation of the roller 8.

[0030] FIG. 12 shows a state where ash enters between the roller 8 and the inner link 32. When ash enters the portion indicated by the hatching in FIG. 12, the ash or the like that has entered between the roller 8 and the inner link 32 inhibits the smooth rotation of the roller 8.

[0031] FIG. 13 is a diagram for explaining the wear state of the roller when ash or the like accumulates in the roller portion of the conveyor chain and the roller stops rotating.

[0032] As shown in the drawings of FIGS. 11 and 12, when ash enters the gap, the rotation of the roller 8 deteriorates, and as shown in FIG. 13, the roller 8 may wear. Further, along with the wear of the roller 8, the guide rail 11 also wears, shortening the life of the conveyor chain 31 and also shortening the life of the guide rail 11.

[0033] Furthermore, FIG. 14 shows a state where ash enters between the inner link 32 and the outer link 33. Ash may enter the portion indicated by the hatching in the figure. In this case, smooth sliding between the inner link 32 and the outer link 33 becomes impossible. In this case, if ash adheres between the inner ring 32 and the outer link 33, it becomes difficult to bend the link.

[0034] FIG. 15 is a side explanatory view showing a state of poor bending of the conveyor chain.

[0035] There was a case where it became solid in a state of poor bending as shown in FIG. 15. The case where ash adheres is caused by ash containing moisture entering between the inner ring 32 and the outer ring 33, and then when it dries and the moisture disappears, the sliding between the inner ring 32 and the outer ring 33 cannot be performed smoothly.

[0036] FIG. 16 is a side explanatory view showing a state where a conveyor chain with poor bending in the forward rotation contacts the guide rail, and FIG. 17 is a side explanatory view showing a state where a conveyor chain with poor bending in the reverse rotation contacts the guide rail.

[0037] In the case of forward rotation in FIG. 16, when the chain 31 advances along the circumference of the head sprocket 40 by the drive shaft 38, if there is a poor bend in the conveyor chain 31, the roller 8 may be caught on the end of the guide rail 11, and the chain may break or the guide rail 11 may be damaged or distorted.

[0038] Also, even in the case of the reverse rotation in FIG. 17, when the chain 31 advances along the circumference of the head sprocket 40 by the drive shaft 38, if there is a bending defect in the conveyor chain 31, the roller 8 may get caught on the end of the guide rail 11, and the chain may break or the guide rail 11 may be damaged or distorted.

[0039] Due to the possibility of these situations occurring, it has been difficult to automate the forward and reverse operations of the conveyor.

[0040] The present invention provides an adhesion prevention device for a conveyor chain that prevents ash or the like from adhering in this way, preventing the rotation of the roller from deteriorating or the conveyor chain from having a bending defect, and enabling the conveyor to be automated and driven.

Means for Solving the Problem

[0041] As a first invention, it consists of pedestals provided on both sides of two conveyor chains, two bearings attached to the pedestals, a shaft that can rotate through the bearings, an arm fixed to the shaft, a weight attached to the tip of the arm, and a cam fixed to the shaft and insertable between the plates of the conveyor chain. As the conveyor chain moves, the cam contacts the roller of the conveyor chain, causing the shaft to rotate, lifting the weight attached to the tip of the arm. When the contact between the cam and the roller of the conveyor chain is disengaged, the weight strikes the roller of the conveyor chain, serving as an adhesion prevention device for the conveyor chain.

[0042] As a second invention, it comprises left and right pedestals provided on the left and right sides of two conveyor chains, left and right bearings attached to the left and right pedestals, left and right shafts rotatably passing through the left and right bearings, left and right arms fixed to the left and right shafts, left and right weights attached to the tip ends of the left and right arms, and left and right cams fixed to the left and right shafts and insertable between the plates of the conveyor chain. In accordance with the movement of the conveyor chain, when the left and right cams contact the rollers of the conveyor chain, the left and right shafts are rotated, the left and right weights attached to the tip ends of the left and right arms are lifted, and when the contact between the left and right cams and the rollers of the conveyor chain is disengaged, the left and right weights strike the rollers of the conveyor chain separately left and right, thereby serving as an anti-adhesion device for the conveyor chain.

[0043] As a third invention, an anti-adhesion device for a conveyor chain is provided, wherein the position where the weight strikes the roller of the conveyor chain is a position where the interval of the guide rail is opened.

[0044] As a fourth invention, an anti-adhesion device for a conveyor chain is provided, wherein the position of the weight attached to the tip end of the arm can be adjusted.

[0045] As a fifth invention, an anti-adhesion device for a conveyor chain is provided, wherein the position of the cam, the length of the arm, and the weight of the weight can be adjusted.

[0046] As a sixth invention, an anti-adhesion device for a conveyor chain is provided, wherein the arm can be fixed to the upper part so that the cam does not contact the roller.

[0047] As a seventh invention, an anti-adhesion device for a conveyor chain is provided, which collects the sounds of the left and right weights striking the left and right rollers respectively, checks the deviation between the left and right sounds, can recognize that elongation has occurred in the left and right chains, and can calculate the difference in the lengths of the left and right chains from the time of the deviation between the left and right sounds.

Advantages of the Invention

[0048] According to the present invention, even if ash or the like enters the gap of the conveyor chain, the adhesion prevention device can shake off the ash or the like by applying an impact to the conveyor chain, thereby preventing adhesion, fixing, and firm adhesion of the chain.

[0049] In addition, the striking position of the weight can be adjusted so that the adhesion prevention device can be operated efficiently.

[0050] In addition, since it is not necessary to always operate the adhesion prevention device, and when reverse rotation of the conveyor is required, the operation can be stopped. Furthermore, the sound of the weight hitting the roller can be collected to check for sound deviation, and the difference in the lengths of the left and right chains can be calculated.

[0051] Therefore, since the conveyor chain can be driven smoothly, based on the measured value data of the tension of the conveyor chain, the presence, amount, etc. of the conveyed material can be accurately measured, and "visualization of operation" can be realized.

[0052] In addition, based on the measured value data of the tension, the movement of the scraper conveyor can be automatically controlled to perform intermittent operation or operation at a reduced speed, thereby achieving energy savings.

[0053] Furthermore, wear of the conveyor chain, guide rail, and sprocket can be reduced, the number of component replacements can be decreased, and the number of components to be manufactured can be reduced due to the long life of the components, thereby achieving decarbonization.

[0054] In addition, according to the present invention, since the conveyor chain can be driven smoothly, the tension applied to the chain of the scraper conveyor is measured, the tension is recorded, and based on the tension value, the tension data is analyzed, so that the engagement between the scraper and the bottom plate of the scraper conveyor can be accurately grasped, and operation support can be provided so that normal operation can be performed, and it can contribute to the reform of the working method.

[0055] Furthermore, according to the present invention, since the conveyor chain can be driven smoothly, the tension applied to the chain of the scraper conveyor can be measured, the tension can be recorded, and based on the tension value, the tension data can be analyzed to understand the left-right changes of the conveyor, the timing of chain replacement, and the condition of the chain.

[0056] For example, if the tension of the left chain tends to be large, it is estimated that there is a defect such as wear in the rail of the left conveyor, etc., and it is possible to conduct early inspections and prevent fatal troubles in advance.

[0057] Also, based on the measurement of the tension, the elongation of the chain can be calculated, and the conveyor chain can be adjusted by taking it up.

[0058] Furthermore, by preventing the occurrence of bending defects in the conveyor chain, the forward and reverse movements of the conveyor chain can be automated, and the operation of the conveyor can be performed more efficiently.

Brief Explanation of Drawings

[0059]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15

Figure 16

Figure 17

Figure 18

BEST MODE FOR CARRYING OUT THE INVENTION

[0060] (Example 1) FIG. 1 is a plan view of the adhesion prevention device for the conveyor chain of the present invention In addition to the scraper conveyor, the present invention can also be applied to conveyors driven by two left and right conveyor chains such as apron conveyors, bucket elevators, and slat conveyors, and serves as an adhesion prevention device for the conveyor chain. Also, as a scraper conveyor, not only the upper return type but also other scraper conveyors can be made to correspond as an adhesion prevention device for the conveyor chain

[0061] Furthermore, it is applicable to a flow conveyor using a single conveyor chain.

[0062] In FIG. 1, 1 is a pedestal provided on both sides of a double conveyor chain. 2 is a bearing attached to the pedestal 1. Also, the bearing 2 can be adjusted according to the attachment position of the pedestal 1.

[0063] 3 is a shaft provided so as to penetrate the left and right bearings 2 and is rotatable within the bearings 2.

[0064] 4 is an arm fixed to the shaft 3. The length, shape, strength, etc. of the arm 4 can be adjusted as appropriate. By fixing the arm 4 to the shaft 3, the left and right arms 4 can be lifted simultaneously.

[0065] 5 is a weight attached to the tip of the arm 4. The weight, size, material, etc. of the weight 5 can be adjusted as appropriate. Also, the attachment position of the weight 5 can be adjusted as appropriate at the tip of the arm 4. Further, the weight 5 can be provided rotatably on the chain without being fixed to the arm 4.

[0066] 6 is a plate that constitutes the conveyor chain and consists of an outer plate and an inner plate.

[0067] FIG. 2 is a side view of the adhesion prevention device for the conveyor chain of the present invention.

[0068] FIG. 3 is a front view of the adhesion prevention device for the conveyor chain of the present invention.

[0069] In FIG. 2, 7 is a cam that can be inserted between the plates 6 that constitute the conveyor chain.

[0070] 8 is a roller that constitutes the conveyor chain and is fixed by a plate and a pin.

[0071] The cam 7 is capable of lifting the weight 5 by coming into contact with the roller 8.

[0072] 9 is a stopper provided to prevent the cam 7 from moving backward. In FIG. 3, 10 is a scraper attached to the conveyor chain so as to be able to convey the conveyed material.

[0073] In FIG. 2, 11 is a guide rail having a role of guiding the conveyor chain.

[0074] In particular, by not providing the guide rail 11 at the position where the weight 5 strikes the roller 8, a stronger impact of the weight 5 can be given to the roller 8, and the effect of preventing adhesion to the conveyor chain becomes excellent.

[0075] FIG. 4 is a side view for explaining the case of stopping the adhesion prevention device of the conveyor chain of the present invention.

[0076] In FIG. 4, 12 is a fixing part provided on the pedestal 1. 13 is a pin. When the adhesion prevention device of the conveyor chain is not moved, the pin 13 is fixed to the fixing part 12. In this case, since the cam 7 is separated from the roller 8, the operation of the adhesion prevention device can be stopped.

[0077] When the operation of the adhesion prevention device is sufficient for several hours a week, it can be solved by manually or automatically lifting the weight 5. Also, as a means of automatically lifting the weight 5, it can also be automatically operated using a cylinder or the like periodically.

[0078] In this embodiment, an example in which the pin 13 is locked to the fixing part 12 is shown. The locking method is not limited to a pin, and a hanging method is also possible.

[0079] Next, the operation flow of the contact state between the cam 7 and the roller 8 will be described.

[0080] Figures 5 to 8 are explanatory diagrams showing a series of flows of the operation of the cam of the adhesion prevention device for the conveyor chain of the present invention.

[0081] In each drawing, the case where the conveyor chain is moved from left to right is described. The positions of the rollers 8 are indicated by the symbols (a), (i), and (u) to show the movement.

[0082] Figure 5 shows a state where the cam 7 is not in contact with the roller 8, and Figure 6 shows a state where the cam 7 is in contact with the roller 8 and the weight 5 is gradually lifted in accordance with the movement of the conveyor chain.

[0083] Figure 7 shows the time when the tip of the cam 7 is in a straight line with the roller 8, indicating the state where the weight 5 is at the highest position. Figure 8 shows the moment when the contact between the cam 7 and the roller 8 is lost, indicating the state where the weight 5 strikes the roller 8.

[0084] In the position of Figure 5, the cam 7 is in contact with the stopper 9, indicating a state where the weight 5 is in contact with the roller 8(u). In this case, the weight 5 strikes the roller 8(u), and ash or the like attached to the roller 8(u) of the conveyor chain can be removed by the impact.

[0085] In the position of Figure 6, the conveyor chain moves from left to right, the roller 8(a) comes into contact with the tip of the cam 7, and as the roller 8(a) moves, the cam 7 rotates around the bearing 2, and accordingly, the shaft 3 rotates, lifting the weight 5 attached to the tip of the arm 4.

[0086] Furthermore, in the position of Figure 7, the conveyor chain moves from left to right, the center of the roller 8(a), the tip of the cam 7, and the center of the bearing are in a straight line, and the weight 5 attached to the tip of the arm 4 is lifted to the highest position.

[0087] As shown in Fig. 8, when the conveyor chain further moves from left to right, the cam 7 that was in contact with the roller 8(a) separates from the roller 8(a), the shaft 3 rotates clockwise, and the weight 5 that has been lifted so far strikes on top of the roller 8(b) due to its own weight.

[0088] This impact enables the removal of ash and the like adhering to the roller 8. Also, when the roller 8 is already fixed or when there is a bending defect in the chain, the adhesion can be eliminated by the impact. Further, the conveyed material adhering to the scraper 11 to which the chain is attached can also be removed simultaneously when the hammer strikes the roller.

[0089] Moreover, the adhesion prevention device for the conveyor chain of the present invention does not need to be constantly operated and can be made to operate when there is a large amount of adherent matter on the conveyor chain. For example, when not in use, the pin 13 can be locked to the fixing portion 12, and the cam 7 can be lifted so as not to contact the roller 8, thereby making the adhesion prevention device inoperative. Thus, waste power consumption and noise can be prevented.

[0090] The present invention provides an adhesion prevention device for a conveyor chain that prevents ash and the like from adhering and causing poor rotation of the roller or poor bending of the conveyor chain. (Embodiment 2) Embodiment 2 is particularly effective when the height dimension of the scraper of the conveyor is large.

[0091] This is a case where an adhesion prevention device is attached to the left and right chains by providing two shafts on the left and right.

[0092] Fig. 9 is a front view of an adhesion prevention device for a conveyor chain showing another embodiment of the present invention.

[0093] In FIG. 9, 14 is a pedestal, which is provided on the left side of two conveyor chains. 15 and 16 are bearings, which are attached to the pedestal 14. Further, the bearings 15 and 16 can be adjusted according to the attachment positions of the pedestal 14.

[0094] 17 is a shaft, which is provided so as to penetrate the left and right bearings 15 and 16 and is rotatable within the bearings 15 and 16.

[0095] 18 is an arm, which is fixed to the shaft 17. The length, shape, strength, etc. of the arm 18 can be adjusted as appropriate.

[0096] 19 is a weight, which is attached to the tip of the arm 18. The weight, size, material, etc. of the weight 19 can be adjusted as appropriate. Further, the attachment position of the weight 19 can be adjusted as appropriate at the tip of the arm 18. Also, the weight 19 can be provided rotatably without being fixed to the arm 18.

[0097] 20 is a roller, which constitutes the conveyor chain and is fixed with a plate and a pin.

[0098] 21 is a cam, which can be inserted between the plates constituting the conveyor chain.

[0099] The cam 21 can lift the weight 19 by coming into contact with the roller 20.

[0100] Also, an adhesion prevention device with a similar configuration is provided on the right side.

[0101] In FIG. 9, 22 is a pedestal, which is provided on the right side of two conveyor chains. 23 and 24 are bearings, which are attached to the pedestal 22. Further, the bearings 23 and 24 can be adjusted according to the attachment positions of the pedestal 22. 25 is a shaft, which is provided so as to penetrate the bearings 23 and 24 and is rotatable within the bearings 23 and 24.

[0102] 26 is an arm and is fixed to the shaft 25. The length, shape, strength, etc. of the arm 26 can be adjusted as appropriate.

[0103] 27 is a weight and is attached to the tip of the arm 26. The weight, size, material, etc. of the weight 27 can be adjusted as appropriate. Also, the attachment position of the weight 27 can be adjusted as appropriate at the tip of the arm 26. Further, the weight 27 can be provided rotatably without being fixed to the arm 26.

[0104] 28 is a roller, constitutes a conveyor chain, and is fixed with a plate and a pin.

[0105] 29 is a cam and can be inserted between the plates constituting the conveyor chain. 30 is a scraper and is attached to the conveyor chain so that it can convey the conveyed material. In particular, when the scraper 30 is large, it is effective to provide the adhesion prevention device separately on the left and right. Also, by providing the adhesion prevention device on the left and right, the difference in the lengths of the left and right chains can be confirmed.

[0106] The cam 29 can lift the weight 27 by contacting the roller 28.

[0107] The state in which the cam operates in contact with the roller is the same as in the case of the first embodiment.

[0108] When the adhesion prevention devices are separately installed on the left and right as in the case of the second embodiment, the positions where the left and right cams contact the roller are adjusted so that the hammer hits the roller simultaneously.

[0109] When the operation of the chain conveyor proceeds, when a chain bending defect or the like occurs and a difference appears in the lengths of the left and right chains, the hammer cannot hit the roller simultaneously, and an abnormality can be confirmed by the sound.

[0110] In addition, by converting sound into an optical signal, it is possible to confirm that there is a difference in the length of the chain even during remote operation. For example, if the sound of a hammer is picked up by a microphone, converted into an electrical signal, and used to turn on a lamp, the difference in the length of the left and right chains can be grasped.

[0111] Also, if the reason for the difference in the length of the left and right chains is due to a problem in either the left or right chain, it can be solved by intensively driving the anti-adhesion device for only one of the left and right chains.

[0112] By being able to maintain the normal state of the chain for a long time, the maintenance time is reduced, and the parts of the chain can be made to last longer.

[0113] Also, by eliminating bending and sticking, the rotation of the roller itself can be made smooth, the friction with the rail due to poor rotation is eliminated, and the wear due to friction is also reduced.

[0114] Also, since the chain is normal, the chain tension can be monitored, an accurate tension can be achieved, the accuracy of "visualizing" the operating state of the conveyor chain is improved, and the aging and failure prediction of the conveyor can be performed more accurately.

[0115] Furthermore, by preventing bending defects in the conveyor chain, the forward and reverse movements of the conveyor chain can be automated, and the operation of the conveyor can be made more efficient.

[0116] Here, an example of the attachment state of the anti-adhesion device for the conveyor chain of the present invention is shown.

[0117] FIG. 18 is an overall side explanatory view of a scraper conveyor and is a diagram for explaining an example of the attachment state of the anti-adhesion device for the conveyor chain of the present invention. The scraper conveyor shown in FIG. 17 is of the upper return type, but it can also be applied to other scraper conveyors and the like.

[0118] In Fig. 18, reference numeral 37 denotes a casing which is a conveyance path for the conveyed object. Reference numeral 38 is a drive shaft provided within the casing 37. Reference numeral 39 is a driven shaft which is a shaft that rotates via a conveyor chain in accordance with the drive from the drive shaft 38. This driven shaft 39 is driven by the drive from the drive shaft 38 and rotates accordingly. Reference numeral 40 is a head sprocket which transmits the rotation of the drive shaft 38. Reference numeral 41 is a motor which drives the head sprocket 40. Reference numeral 42 is a tail sprocket which corresponds to the head sprocket 40 and serves to transmit the drive of the drive shaft 38 to the driven shaft 39.

[0119] Reference numeral 43 is a guide rail, and reference numeral 44 indicates the locus through which the conveyor chain passes. The conveyor chain is configured to be movable along the guide rail 43.

[0120] Reference numeral 31 is a conveyor chain, and reference numeral 8 is a roller. A plurality of conveyor chains 31 and rollers 8 are connected to form a chain. Fig. 17 shows only some of the conveyor chains and rollers.

[0121] Reference numeral 10 is a scraper which is attached to the conveyor chain 31 and conveys the conveyed object. A plurality of such scrapers 10 are provided at regular intervals. The conveyor chain 31 serves to transmit the rotation of the drive shaft 38 which moves the scraper 10 to the driven shaft 39.

[0122] Reference numeral 45 is an inlet for incineration ash. Reference numeral 46 indicates the incineration ash introduced from the inlet 45 for incineration ash. The incineration ash 46 is conveyed by the scraper 10 and transported to the discharge port 47. The incineration ash includes ash containing moisture.

[0123] The scraper conveyor shown in Fig. 18 is a conveyor called an upper return type. As shown in the figure, the scraper 10 moving through the upper part in the direction of arrow A is moved, and when passing through the lower part, the incineration ash introduced from the inlet 45 for incineration ash is conveyed by the scraper 10 and moved to the discharge port 47.

[0124] In the case of an upper return type scraper conveyor, the scraper 10 moving upward in the direction of arrow A is not carrying the conveyed material, while the scraper 10 moving downward in the direction of arrow B is carrying the conveyed material.

[0125] As shown in FIG. 17, by installing the adhesion prevention device for the conveyor chain of the present invention, the adhesion prevention device can strike the rollers of the conveyor chain in accordance with the movement of the conveyor chain.

Industrial Applicability

[0126] The present invention is a device for preventing adhesion of ash or the like that has entered the gaps of the conveyor chain. By applying an impact with a weight, it is possible to provide a device that can reduce the wear of the conveyor chain without causing bending defects in the conveyor chain.

[0127] In addition, since the present invention moves in synchronization with the movement of the conveyor chain, it has a mechanical structure and is easy to install the adhesion prevention device on an existing conveyor. Also, since it does not require electrical signals or control, it is energy-saving.

[0128] Moreover, when the conveyor chain is driven smoothly, by measuring the tension applied to the conveyor chain, it is possible to achieve "visualization of operation", "prediction of failure", "assistance in operation", "labor saving", and "decarbonization" to determine the operating and transporting conditions.

[0129] Furthermore, by preventing bending defects from occurring in the conveyor chain, the forward and reverse movements of the conveyor chain can be automated, and the operation of the conveyor can be performed more efficiently.

Explanation of Signs

[0130] 1 pedestal 2 bearing 3 shaft 4 arm 5 weight 6 Plate 7 Cam 8 Roller 9 Stopper 10 Scraper 11 Guide Rail 12 Fixed Part 13 Pin 14 Pedestal 15 Bearing 16 Bearing 17 Shaft 18 Arm 19 Weight 20 Roller 21 Cam 22 Pedestal 23 Bearing 24 Bearing 25 Shaft 26 Arm 27 Weight 28 Roller 29 Cam 30 Scraper 31 Conveyor Chain 32 Inner Ring 33 Outer Ring 34 Pin 35 Bush 36 T - Pin 37 Casing 38 Driving Shaft 39 Driven Shaft 40 Head Sprocket 41 Motor 42 Tail Sprocket 43 Guide Rail 44 Trajectory through which the conveyor chain passes 45 Inlet 46 Incineration Ash 47 Outlet

Claims

1. A pedestal provided on both sides of two conveyor chains, Two bearings attached to the pedestal, A shaft that passes through the bearings and is rotatable, An arm fixed to the shaft, A weight attached to the tip of the arm, It consists of a cam fixed to the shaft and insertable between the plates of the conveyor chain, As the conveyor chain moves, the cam contacts the roller of the conveyor chain, causing the shaft to rotate and lifting the weight attached to the tip of the arm. An anti - adhesion device for a conveyor chain, characterized in that when the contact between the cam and the roller of the conveyor chain is disengaged, the weight strikes the roller of the conveyor chain.

2. Left and right pedestals provided on the left and right sides of two conveyor chains, Left and right bearings attached to the left and right pedestals, Left and right shafts that pass through the left and right bearings and are rotatable, Left and right arms fixed to the left and right shafts, Left and right weights attached to the tips of the left and right arms, It consists of left and right cams fixed to the left and right shafts and insertable between the plates of the conveyor chain, As the conveyor chain moves, the left and right cams contact the rollers of the conveyor chain, causing the left and right shafts to rotate and lifting the left and right weights attached to the tips of the left and right arms. An anti - adhesion device for a conveyor chain, characterized in that when the contact between the left and right cams and the rollers of the conveyor chain is disengaged, the left and right weights strike the rollers of the conveyor chain separately on the left and right.

3. The anti - adhesion device for a conveyor chain according to claim 1 or claim 2, characterized in that the position where the weight strikes the roller of the conveyor chain is a position where the interval of the guide rail is opened.

4. The anti - adhesion device for a conveyor chain according to claim 1 or claim 2, characterized in that the position of the weight attached to the tip of the arm can be adjusted.

5. The anti - adhesion device for a conveyor chain according to claim 1 or claim 2, characterized in that the position of the cam, the length of the arm, and the weight of the weight can be adjusted.

6. The anti - adhesion device for a conveyor chain according to claim 1 or claim 2, characterized in that the arm can be fixed to the upper part so that the cam does not contact the roller.

7. Collect the sounds of the left and right weights hitting the left and right rollers respectively, check the deviation between the left and right sounds, recognize that elongation has occurred in the left and right chains, and calculate the difference in the lengths of the left and right chains from the time of the deviation between the left and right sounds. The anti-adhesion device for a conveyor chain according to claim 2, characterized in that this can be done.

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