CN219652063U

CN219652063U - Belt mud scraping plate device

Info

Publication number: CN219652063U
Application number: CN202321963260.XU
Authority: CN
Inventors: 吴殿成; 佟方硕; 张文涛; 夏扬; 刘宏洋; 苑伟民; 张彦宇; 刘强; 周明亮
Original assignee: China Railway No 9 Group Co Ltd; Fourth Engineering Co Ltd of China Railway No 9 Group Co Ltd
Current assignee: China Railway No 9 Group Co Ltd; Fourth Engineering Co Ltd of China Railway No 9 Group Co Ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-09-08
Anticipated expiration: 2033-07-25

Abstract

The utility model belongs to the technical field of shield belt conveyor return cleaning devices, and particularly relates to a belt mud scraping device which comprises a triangular mud scraping plate, a water flushing pipe, a pinch roller and a mud scraping plate, wherein the triangular mud scraping plate, the water flushing pipe and the pinch roller are sequentially arranged on a non-slag bearing surface of a return belt of a belt conveyor, and the mud scraping plate is arranged below the slag bearing surface of the return belt of the belt conveyor and is positioned behind the pinch roller; the lower part of the triangular mud scraping plate is provided with a wear-resisting strip, the lower edge of the wear-resisting strip is in contact with the non-slag bearing surface of the return belt, the water flushing pipe is provided with a plurality of water spraying holes, and the water spraying holes face the non-slag bearing surface of the return belt; the lower end of the compaction roller is in contact with a non-slag bearing surface of the return belt, and the upper end of the mud scraping plate is in abutting connection with the belt; the utility model can effectively clean the non-slag bearing surface of the belt while cleaning the slag bearing surface of the return belt, and comprises the primary scraping cleaning of the triangular scraper and the high-pressure flushing cleaning of the flushing pipe, thereby ensuring the reliable friction of the belt, reducing the skidding probability of the belt pulley and ensuring the conveying efficiency of the belt conveyor.

Description

Belt mud scraping plate device

Technical Field

The utility model belongs to the technical field of return cleaning devices of shield belt conveyors, and particularly relates to a belt mud scraping device.

Background

Along with the vigorous development of urban rail transit in China, the shield method is widely applied to rail construction due to the advantages of safety, high efficiency, wide adaptability and the like. The muck excavated by the shield machine is transported into a muck truck through a belt conveyor and then transported out of the tunnel through the muck truck. When the belt is transported, the conveying surface of the belt is provided with residual dregs, so that a return cleaning device is usually required to clean the dregs attached to the belt, but the current return cleaner pays attention to cleaning of the dreg bearing surface of the belt, and the dregs are pushed to the outside of the belt by adopting a V-shaped scraping plate for cleaning the non-dreg bearing surface of the belt.

During shield construction, the slag hole of the screw conveyor can often generate gushes, and the gushed slag can often splash into the non-slag bearing surface of the belt, but because the adhesive force between partial silt and the belt is larger during tunnel construction, the V-shaped mud scraping plate is mainly made of plastic or rubber, the mud scraping effect is poor, the slag attached to the belt is difficult to scrape cleanly, the belt abrasion is aggravated, the belt deviation is caused, the discharge speed of the slag is influenced, and the working efficiency of shield construction is reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a belt mud scraping plate device.

In order to achieve the above object, the present utility model provides the following technical solutions:

a belt mud scraping plate device comprises a triangular mud scraping plate, a water flushing pipe, a pressure roller and a mud scraping plate, wherein the triangular mud scraping plate, the water flushing pipe and the pressure roller are sequentially arranged on a non-slag bearing surface of a return belt of a belt conveyor, and the mud scraping plate is arranged below the slag bearing surface of the return belt of the belt conveyor and positioned behind the pressure roller; the lower part of the triangular mud scraping plate is provided with a wear-resisting strip, the lower edge of the wear-resisting strip is in contact with the non-slag bearing surface of the return belt, the water flushing pipe is provided with a plurality of water spraying holes, and the water spraying holes face the non-slag bearing surface of the return belt; the lower end of the compaction roller is in contact with a non-slag bearing surface of the return belt, and the upper end of the mud scraping plate is in butt joint with the belt.

Further, the pinch roller is fixed in the band conveyer frame through the compression roller mount, the compression roller mount includes the compression roller fixed column of vertical fixing in the band conveyer frame to and compression nut, compression spring and the adjusting nut of setting gradually on the compression roller fixed column from bottom to top, the both ends of pinch roller are established through the compression roller link cover between compression roller fixed column, compression spring and the gland nut.

Further, the triangle mud scraping plate comprises two side plates which are arranged in a V shape, a pressing plate which is detachably arranged on the outer side face of the side plates, a middle frame which is fixed between the two side plates, an upper fixing frame which is erected above the middle frame, and a rod fixing piece which is used for installing the middle frame on the upper fixing frame, wherein the wear-resisting strip is fixed between the pressing plate and the side plates.

Further, the wear-resistant strip comprises a middle wear-resistant strip and side wear-resistant strips, wherein the middle wear-resistant strip is of a V shape and is arranged at the front ends of the two side plates, the rear part of the middle wear-resistant strip is overlapped with the front ends of the side wear-resistant strips, and the middle wear-resistant strip is arranged on the outer side.

Further, the rear end of the middle wear-resistant strip is pressed on the side wear-resistant strip through the middle fixing piece.

Further, two front ends of sideboard medial surface are fixed with the locating plate, reserve the interval between the front end of two sideboards, enclose into a constant head tank between locating plate and the two sideboards, be provided with the design piece in the constant head tank, the front portion of design piece is triangle-shaped portion, the middle part of well wear-resisting strip compresses tightly on the both sides face of triangle-shaped portion.

Further, the middle part of the middle wear-resistant strip is fixed at the front end of the shaping block.

Further, the belt mud scraping plate device further comprises a wiper plate arranged on the non-slag bearing surface of the return belt of the belt conveyor, the wiper plate is positioned behind the pressing roller, and the lower end of the wiper plate is in contact with the non-slag bearing surface of the return belt.

The beneficial effects of the utility model are as follows:

the utility model can clean the non-slag bearing surface of the return belt effectively while cleaning the slag bearing surface of the return belt, comprises the primary scraping cleaning of the triangular scraper and the high-pressure flushing cleaning of the flushing pipe, and meanwhile, the pinch roller can not only adjust the distance between the belt and the scraper, but also block the water flow flushing on the non-slag bearing surface of the belt, prevent the residual water from being continuously and backwardly carried to the roller to influence the contact between the belt and the roller, ensure the reliable friction of the belt, reduce the probability of skidding of the belt pulley and ensure the conveying efficiency of the belt conveyor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:

fig. 1 is a schematic side view of an embodiment of the present utility model.

Fig. 2 is a schematic top view of an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a triangular mud scraper according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the installation of a pinch roller according to an embodiment of the present utility model.

In the figure, a 1-triangle mud scraper, a 2-flushing pipe, a 3-compression roller, a 4-mud scraper, a 5-wiper blade, a 6-belt, a 7-press roller fixing column, an 8-wiper fixing frame, a 9-compression nut, a 10-press roller connecting frame, an 11-compression spring, a 12-adjusting nut, a 13-side wear-resisting strip, a 14-middle wear-resisting strip, a 15-shaping block, a 16-middle fixing piece, a 17-positioning plate, a 18-pressing plate, a 19-middle rod, a 20-first supporting rod, a 21-second supporting rod, a 22-upper support, a 23-upper fixing frame and a 24-rod fixing piece.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

As shown in fig. 1 to 4, a belt 6 mud scraping plate 4 device comprises a triangular mud scraping plate 1, a flushing pipe 2, a pinch roller 3 and a mud scraping plate 4, wherein the triangular mud scraping plate 1, the flushing pipe 2 and the pinch roller 3 are sequentially arranged on a non-slag bearing surface of a return belt of a belt conveyor, and the mud scraping plate 4 is arranged below the slag bearing surface of the return belt of the belt conveyor and is positioned behind the pinch roller 3; the lower part of the triangular mud scraper 1 is provided with a wear-resistant strip, the lower edge of the wear-resistant strip is in contact with the non-slag-bearing surface of the return belt and is used for scraping off slag on the non-slag-bearing surface of the return belt, the two ends of the wear-resistant strip exceed the edge of the belt 6, and the scraped slag can move along the wear-resistant strip to fall off from the non-slag-bearing surface of the return belt; the water flushing pipe 2 is provided with a plurality of water spraying holes, the water flushing pipe 2 is connected with a high-pressure water source, the water spraying holes face the non-slag bearing surface of the return belt, and the non-slag bearing surface of the return belt is flushed by the high-pressure water; the lower end of the pinch roller 3 is contacted with the non-slag bearing surface of the return belt, the belt 6 is pressed down to be close to the mud scraping plate 4, meanwhile, the pinch roller 3 is tightly pressed on the non-slag bearing surface of the return belt, high-pressure water flow can be blocked, the pinch roller is prevented from flowing to a roller for transmitting power of the belt conveyor, and the inner side of the belt 6 is prevented from slipping due to water; the upper end of the mud scraping plate 4 is abutted with the belt 6 to scrape the residue soil on the residue bearing surface of the return belt; the utility model adopts the conventional scraper 4 to clean the outer side of the belt 6, and also uses the triangular scraper 1 of the belt 6 and high-pressure flushing to clean the inner side of the belt 6 synchronously, so as to reduce the probability of slipping of the belt 6.

As shown in fig. 2 and 4, the pinch roller 3 comprises a roller shaft and a roller barrel rotatably mounted on the roller shaft, the roller shaft is fixed on a belt conveyor frame through a pinch roller fixing frame, the pinch roller fixing frame comprises a pinch roller fixing column 7 vertically fixed on the belt conveyor frame, and a pinch nut 9, a pinch spring 11 and an adjusting nut 12 which are sequentially arranged on the pinch roller fixing column 7 from bottom to top, the pinch roller fixing column 7 is a stud, the pinch nut 9 and the adjusting nut 12 are respectively sleeved on the pinch roller fixing column 7 in a threaded manner, and the pinch spring 11 is sleeved on the pinch roller fixing column 7; compression roller connecting frames 10 are arranged at two ends of the compression roller 3, and each compression roller connecting frame 10 is sleeved on the compression roller fixing column 7; the compression roller connecting frame 10 is positioned between the compression spring 11 and the compression nut 9; the press roller connecting frame 10 is sleeved on the press roller fixing column 7 through a unthreaded hole; through the pinch roller 3 of regulation, make it push down return stroke belt to suitable position, can increase the pinch force between belt 6 and the mud scraping board 4, improve the mud scraping effect.

As shown in fig. 1 to 3, the triangular mud scraper 1 includes two side plates arranged in a V-shape, a pressing plate 18 detachably mounted on the outer side surface of the side plates, a middle frame fixed between the two side plates, an upper fixing frame 23 erected above the middle frame and mounted on a belt conveyor frame, and a lever fixing piece 24 for mounting the middle frame on the upper fixing frame 23; the middle fixing frame comprises a middle rod 19 fixed on the upper rear end surface of the positioning plate 17, and a first supporting rod 20 and a second supporting rod 21 fixed on the side surface of the middle rod 19, wherein the first supporting rod 20 and the second supporting rod 21 are arranged on two sides of the middle rod 19 in a staggered manner, a V-shaped upper bracket 22 is arranged in the middle of the upper fixing frame 23, a rod fixing piece 24 is three fixing bolts and is fixed on the upper bracket 22 in a V shape, and the rod fixing piece 24 is in threaded connection with the middle fixing frame and the upper fixing frame 23; after the fixing frame is positioned, the fixing frame can be arranged on the upper fixing frame 23 through the fixing frame in the rod fixing piece 24; the wear strips are fixed between the pressure plate 18 and the side plates; the wear-resistant strip is made of materials such as polyurethane, wear-resistant rubber and the like of the wear-resistant strip of the V-shaped return cleaner in the prior art.

As shown in fig. 3, the wear strip comprises a middle wear strip 14 and side wear strips 13, wherein the middle wear strip 14 is in a V shape and is arranged at the front ends of two side plates, the rear part of the middle wear strip 14 is overlapped with the front ends of the side wear strips 13, the middle wear strip 14 is arranged at the outer side, and the rear end of the middle wear strip 14 is pressed on the side wear strips 13 through a middle fixing piece 16; the middle fixing piece 16 adopts a fixing bolt and the like, holes are drilled at the corresponding positions of the side wear-resistant strip 13 and the side strip, and the middle fixing piece 16 is fixed on the side strip in a threaded manner. Because the middle wear-resistant strip 14 needs to squeeze the dregs in the middle of the return belt to two sides, if the wear-resistant strip with a whole piece design is adopted, the natural state of the wear-resistant strip is usually straight or slightly bent, when the wear-resistant strip is fixedly folded into a V shape, the middle part tends to easily form a round-head bulge due to the hardness and thickness of the material, and the dregs are easy to stagnate and accumulate at the position; in this embodiment, the middle wear-resistant strip 14 and the side wear-resistant strip 13 are separately arranged, the middle wear-resistant strip 14 is used for bearing the function of forming a V shape to squeeze the dregs to two sides, the middle wear-resistant strip 14 can be manually heat-set in advance to form a V shape with a sharper front end, if the middle wear-resistant strip 14 is worn, the side wear-resistant strip 13 is less worn at this time, only the middle wear-resistant strip 14 needs to be detached for replacement, and the side wear-resistant strip 13 is continuously used.

Further, as shown in fig. 3, the front ends of the inner sides of the two side plates are fixed with positioning plates 17, a space is reserved between the front ends of the two side plates, a positioning groove is defined between the positioning plates 17 and the two side plates, a shaping block 15 is arranged in the positioning groove, the front part of the shaping block 15 is a triangle part, the rear part of the shaping block is an inserting block part, the front part of the triangle part extends outside the positioning groove and between the spaces of the two side plates, and the triangle part adopts a polyurethane block, a wood block or a hard plastic block and is used for shaping and supporting the middle wear-resisting strip 14.

In one embodiment, as shown in fig. 3, the middle part of the middle wear-resistant strip 14 is wrapped and pressed on two sides of the triangular part, the middle fixing piece 16 is removed when the middle wear-resistant strip 14 is worn and replaced, a new middle wear-resistant strip 14 is replaced, and then the middle wear-resistant strip 14 is fixed by the middle fixing piece 16.

In another embodiment, the middle part of the middle wear-resistant strip 14 is fixed at the front end of the shaping block 15, and the middle wear-resistant strip 14 can be integrally formed with the shaping block 15 or fixed at the front end of the shaping pipe by gluing or clamping or bolting; when the middle wear-resistant strip 14 is worn and replaced, the middle fixing piece 16 is detached, a new shaping block 15 and the middle wear-resistant strip 14 are replaced, and then the middle wear-resistant strip 14 is fixed through the middle fixing piece 16.

Further, as shown in fig. 1 and 2, the belt 6 wiper 4 device further comprises a wiper blade 5 arranged on a non-slag-bearing surface of a return belt of the belt conveyor, the wiper blade 5 is positioned behind the pinch roller 3, the middle upper part of the wiper blade 5 is fixed on a frame of the belt 6 through a wiper fixing frame 8, the lower end of the wiper blade 5 is in contact with the non-slag-bearing surface of the return belt, water drops left on the non-slag-bearing surface of the return belt are scraped, the wiper blade 5 is made of a silica gel magic broom material in the prior art, and the two ends of the length of the wiper blade 5 exceed the edge of the belt 6, so that redundant water flow can be blocked and drained outside the belt 6; the wiper blade 5 is positioned at the rear of the wiper blade 4, so that the wiper blade 4 jacks up the belt 6 upwards to provide pretightening force for the belt 6, and the wiper blade 5 can be tightly attached to a non-slag bearing surface of the return belt to realize comprehensive attachment; according to the embodiment, through the two water blocking measures of the pinch roller 3 and the wiper blade 5, residual water can be effectively prevented from moving to the roller of the belt conveyor, the friction reliability of the belt 6 is ensured, the slipping probability of the belt 6 wheel is reduced, and the conveying efficiency of the belt conveyor is ensured.

The installation and use process of the utility model is as follows:

firstly, a triangular mud scraping plate 1 is arranged at a return belt frame of a belt 6 through an upper fixing frame 23, and the triangular mud scraping plate 1 is provided with a wear-resisting strip which is contacted with a return non-slag bearing surface of the belt 6 to clean slag carried on the non-slag bearing surface of the belt 6;

secondly, installing a flushing pipe 2 at the rear part of the triangular mud scraping plate 1, wherein the flushing pipe 2 is connected with a high-pressure water source;

thirdly, pressing the roller fixing column 7 in front of the original scraper 4 of the belt 6, and arranging an adjusting bolt, a compression spring 11, a belt 6 compression wheel and a compression nut 9 on the roller fixing column 7 from bottom to top in sequence;

step four, when the belt 6 works, the inner side of the belt 6 is cleaned synchronously by means of high-pressure flushing and the triangular mud scraping plate 1, so that the probability of slipping of the belt 6 wheel is reduced;

and fifthly, screwing the compression nut 9, and increasing the compression force of the belt 6 and the mud scraping plate 4 by reducing the travel of the compression nut 9 between the adjusting bolts, so as to improve the mud scraping effect of the mud scraping plate 4.

It is to be understood that the above description is intended to be illustrative, and that the embodiments of the present utility model are not limited thereto. The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A belt scraper device, characterized in that: the belt mud scraping device comprises a triangular mud scraping plate (1), a flushing pipe (2), a pinch roller (3) and a mud scraping plate (4) which are sequentially arranged on a non-slag bearing surface of a return belt of the belt conveyor, and are arranged below the slag bearing surface of the return belt of the belt conveyor and behind the pinch roller (3); the lower part of the triangular scraper (1) is provided with a wear-resistant strip, the lower edge of the wear-resistant strip is in contact with the non-slag-bearing surface of the return belt, the flushing pipe (2) is provided with a plurality of water spraying holes, and the water spraying holes face the non-slag-bearing surface of the return belt; the lower end of the compaction roller (3) is in contact with a non-slag bearing surface of the return belt, and the upper end of the scraper (4) is in butt joint with the belt (6).

2. A belt mud scraper device as set forth in claim 1 wherein: the compression roller (3) is fixed on the belt conveyor frame through a compression roller fixing frame, the compression roller fixing frame comprises compression roller fixing columns (7) vertically fixed on the belt conveyor frame, compression nuts (9), compression springs (11) and adjusting nuts (12) which are sequentially arranged on the compression roller fixing columns (7) from bottom to top, compression roller connecting frames (10) are arranged at two ends of the compression roller (3), and each compression roller connecting frame (10) is sleeved on each compression roller fixing column (7); and the compression roller connecting frame (10) is positioned between the compression spring (11) and the compression nut (9).

3. A belt mud scraper device as set forth in claim 1 wherein: the triangular mud scraping plate (1) comprises two side plates which are arranged in a V shape, a pressing plate (18) which is detachably arranged on the outer side face of the side plates, a middle frame which is fixed between the two side plates, an upper fixing frame (23) which is erected above the middle frame, and a rod fixing piece (24) which is used for installing the middle frame on the upper fixing frame (23), wherein the upper fixing frame (23) is fixed on a belt conveyor frame, and a wear-resisting strip is fixed between the pressing plate (18) and the side plates.

4. A belt mud scraper device as set forth in claim 3 wherein: the wear-resistant strip comprises a middle wear-resistant strip (14) and side wear-resistant strips (13), wherein the middle wear-resistant strip (14) is of a V shape and is arranged at the front ends of two side plates, the rear part of the middle wear-resistant strip (14) is overlapped with the front ends of the side wear-resistant strips (13), and the middle wear-resistant strip (14) is arranged at the outer side.

5. The belt mud scraper device of claim 4 wherein: the rear end of the middle wear-resistant strip (14) is pressed on the side wear-resistant strip (13) through a middle fixing piece (16).

6. The belt mud scraper device of claim 4 wherein: the front ends of the inner side surfaces of the two side plates are fixedly provided with positioning plates (17), an interval is reserved between the front ends of the two side plates, a positioning groove is formed between the positioning plates (17) and the two side plates in a surrounding mode, a shaping block (15) is arranged in the positioning groove, the front part of the shaping block (15) is a triangular part, and the middle part of the middle wear-resisting strip (14) is pressed on two side surfaces of the triangular part.

7. The belt mud scraper device of claim 6 wherein: the middle part of the middle wear-resistant strip (14) is fixed at the front end of the shaping block (15).

8. The belt mud scraper device of claim 6 wherein: the middle part of the middle wear-resistant strip (14) is detachably arranged at the front end of the shaping block (15).

9. A belt mud scraper device as set forth in claim 1 wherein: the belt conveyor is characterized by further comprising a wiper plate (5) arranged on the non-slag-bearing surface of the return belt of the belt conveyor, wherein the wiper plate (5) is positioned behind the pinch roller (3), and the lower end of the wiper plate (5) is in contact with the non-slag-bearing surface of the return belt.

10. The belt mud scraper device of claim 9 wherein: both ends of the wiper blade (5) extend beyond both side edges of the belt (6), and the wiper blade (5) is positioned behind the wiper blade (4).