Improved scraper machine middle groove structure

Abstract

The utility model belongs to the technical field of scrapers, and particularly relates to an improved scraper middle groove structure which comprises side plates, groove plates and a middle plate, the side plates are symmetrically arranged, long grooves are formed in one sides of the side plates, the groove plates are installed in the long grooves, upper chain ways are arranged at the tops of the groove plates, lower chain ways are arranged at the bottoms of the groove plates, and the middle plate is arranged in the middle plate. A clamping strip is arranged between the upper chain way and the lower chain way, the middle plates comprise the head plate, the tail plate and the middle plates, the two sides of the head plate and the two sides of the tail plate are connected to the head end and the tail end of the clamping strip in a clamped mode respectively, the number of the middle plates is multiple, and the two sides of the middle plates are connected to the middle ends of the clamping strip in a clamped mode. The groove plate can be replaced and installed in time when the abrasion on the groove plate is serious, the semi-circular grooves of the upper chain way and the lower chain way are matched with the auxiliary rolling wheels, so that the scraper chain is conveyed stably, and the possibility that the scraper chain deviates or shifts is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the scraper technology field, concretely relates to an improved scraper middle trough structure. BACKGROUND

[0002] The scraper is a kind of continuous conveying equipment based on chain transmission principle, utilizes scraper to push along fixed track and moves coal, completes transportation task.Middle trough is one of the main components of scraper conveyor, and it is the passageway of coal conveying.The existing middle trough is generally welded by trough plate and middle plate, wherein the upper and lower passageways formed by middle plate and trough plate are the passageways of scraper chain operation.The upper and lower passageways are open on one side, so that the scraper chain is easily collided by material in conveying, the sidewall of upper and lower passageways is scraped and worn by scraper chain, so that chain conveying is affected, and it is troublesome and high cost to maintain and replace.In addition, the middle plate is also the component prone to wear, and once local wear is serious, the whole middle trough also needs to be replaced. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides an improved scraper middle trough structure to improve the above problems.

[0004] The utility model provides the following technical scheme:

[0005] An improved scraper middle trough structure, including side plate, trough plate and middle plate, the side plate is symmetrically arranged, one side of the side plate is provided with long slot, the long slot is equipped with the trough plate in, the top of trough plate is provided with upper chain channel, and the bottom of trough plate is provided with lower chain channel, and the upper chain channel is provided with clamping strip between lower chain channel, the middle plate includes first plate, tail plate and intermediate plate, the first plate and tail plate are clamped to the first end and the last end of clamping strip respectively on both sides, and the intermediate plate is provided with multiple, and the intermediate plate is clamped to the middle end of clamping strip on both sides.

[0006] Further, the first plate, tail plate and intermediate plate are provided with clamping plate on both sides, one end of the clamping plate close to the outside of the first plate is provided with a blanking section, and one end of the clamping plate close to the outside of the tail plate is provided with a blanking section.

[0007] Further, the length of the clamping plate on both sides of the intermediate plate is consistent with the width of the intermediate plate.

[0008] Further, the tail plate and the intermediate plate are provided with convex strips at one end, and the first plate and the intermediate plate are provided with recesses at one end.

[0009] Further, the trough plate is provided with auxiliary rollers at both ends.

[0010] Further, the upper chain channel and the lower chain channel are provided with semicircular grooves on the upper chain channel and the lower chain channel, and the surfaces of the upper chain channel and the lower chain channel are coated with wear-resistant coating. Further, the tail plate and the intermediate plate are provided with convex strips at one end, and the first plate and the intermediate plate are provided with recesses at one end.

[0011] Further, the clamping groove is arranged in the clamping strip, and the clamping plate is clamped in the clamping groove.

[0012] Further, the clamping groove is arranged in the clamping strip, and the clamping plate is clamped in the clamping groove.

[0013] Further, the clamping groove is arranged in the clamping strip, and the clamping plate is clamped in the clamping groove.

[0014] Further, the clamping groove is arranged in the clamping strip, and the clamping plate is clamped in the clamping groove.

[0015] Overall, compared with the prior art, the above technical scheme of the utility model can achieve the following beneficial effects:

[0016] 1) The detachable arrangement of the groove plate facilitates timely replacement and installation when the groove plate is seriously worn, and the half-circular groove cooperation of the upper chain channel and the lower chain channel with the auxiliary roller makes the scraper chain transmission stable, and greatly reduces the possibility of deviation or displacement of the scraper chain.

[0017] 2) The split arrangement of the middle plate can solve the wear problem by only replacing the head plate or the tail plate or the middle plate when the middle plate is seriously worn, thereby greatly saving maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic view of the improved middle groove structure of the scraper machine.

[0019] Figure 2 is the groove plate structure schematic view of the utility model.

[0020] Figure 3 is the enlarged structure schematic view of A of the utility model.

[0021] Figure 4 is the head plate structure schematic view of the utility model.

[0022] Figure 5 is the middle plate structure schematic view of the utility model.

[0023] Figure 6 is the tail plate structure schematic view of the utility model.

[0024] The marks in the figure are as follows:

[0025] 1-side plate; 2-groove plate; 3-auxiliary roller; 4-lug; 5-head plate; 6-convex strip; 7-long groove; 8-lower chain channel; 9-clamping strip; 10-upper chain channel; 11-limiting plate; 12-clamping groove; 13-middle plate; 14-clamping plate; 15-tail plate; 16-groove. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application will be described in detail below with reference to the drawings, so that those skilled in the art can more clearly understand how to practice the present application. Although the present application is described in connection with its preferred embodiments, these embodiments are merely illustrative and not limiting of the scope of the present application.

[0027] The specific embodiments of the present application will be described in detail below with reference to the drawings, so that those skilled in the art can more clearly understand how to practice the present application. Although the present application is described in connection with its preferred embodiments, these embodiments are merely illustrative and not limiting of the scope of the present application. Figures 1-6 As shown in the drawings, an improved middle slot structure of a scraper, comprising side plates 1, groove plates and middle plates, the side plates 1 are symmetrically arranged, one side of the side plate 1 is provided with a long groove 7, the long groove 7 is provided with a groove plate 2, the top of the groove plate 2 is provided with an upper chain channel 10, the bottom of the groove plate 2 is provided with a lower chain channel 8, the upper chain channel 10 and the lower chain channel 8 are provided with a clamping strip 9, the middle plate comprises a head plate 5, a tail plate 15 and an intermediate plate 13, the head plate 5 and the tail plate 15 are respectively clamped at the head and tail ends of the clamping strip 9, and the intermediate plate 13 is provided with a plurality of intermediate plates 13 clamped at the middle end of the clamping strip 9.

[0028] Specifically, the head plate 5, the tail plate 15 and the intermediate plate 13 are provided with clamping plates 14 on both sides, one end of the clamping plate 14 close to the outside of the head plate 5 is provided with a reserved section, and one end of the clamping plate 14 close to the outside of the tail plate 15 is provided with a reserved section. The reserved section is provided to assist the roller 3 to reserve the installation space.

[0029] Specifically, the length of the clamping plate 14 on both sides of the intermediate plate 13 is consistent with the width of the intermediate plate 13, so that the clamping plate 14 is clamped in the clamping groove 12.

[0030] Specifically, the tail plate 15 and the intermediate plate 13 are provided with protrusions 6 at one end, the head plate 5 and the intermediate plate 13 are provided with grooves 16 at one end, the groove 16 of the head plate 5 is clamped with the protrusion 6 of the intermediate plate 13, the groove 16 of the intermediate plate 13 is clamped with the protrusion 6 of the next intermediate plate 13, and the protrusion 6 of the tail plate 15 is clamped with the groove 16 of the last intermediate plate 13. Through the setting of the protrusion 6 and the groove 16, the local installation and disassembly of the middle plate are facilitated. Once the local wear is serious, only the corresponding head plate 5 or tail plate 15 or intermediate plate 13 needs to be replaced, which greatly saves the maintenance cost.

[0031] Specifically, the groove plate 2 is provided with an auxiliary roller 3 at both ends, the diameter of the auxiliary roller 3 is greater than the height of the clamping strip 9, and the auxiliary roller 3 helps the conveying of the scraper chain and provides a guiding or auxiliary conveying effect.

[0032] Specifically, the upper chain channel 10 and the lower chain channel 8 are provided with semicircular grooves for the scraper chain to pass through, and the auxiliary rollers 3 are matched to make the scraper chain transmission stable and avoid the scraper chain from deviating or shifting, and the surfaces of the upper chain channel 10 and the lower chain channel 8 are coated with wear-resistant coatings, which can be alumina or zirconia coatings, to further enhance the wear resistance of the upper chain channel 10 and the lower chain channel 8 and improve the service life thereof.

[0033] Specifically, the clamping groove 12 is arranged in the clamping strip 9, the clamping plate 14 is clamped in the clamping groove 12, and the limiting plates 11 are mounted at both ends of the clamping groove 12 and are screw-connected with the clamping plates 14 at both ends of the clamping groove 12.

[0034] Specifically, the side plates 1 are provided with lugs 4 at both ends, the lugs 4 are provided with mounting holes, and the lugs 4 are arranged to facilitate the connection of adjacent middle grooves.

[0035] Specifically, the groove plates 2 and the side plates 1 are connected through bolts, that is, the groove plates 2 are detachable, and if the upper chain channel 10 and the lower chain channel 8 of the groove plate 2 are seriously worn, the groove plate 2 can be disassembled from the side plate 1 to replace the groove plate 2.

[0036] The specific working process of the improved middle groove structure of the scraper machine is described below.

[0037] When the scraper chain is conveyed in the semicircular grooves of the upper chain channel 10 and the lower chain channel 8, the auxiliary rollers 3 are matched to make the scraper chain transmission stable and greatly reduce the possibility of the scraper chain deviating or shifting, and if the groove plate 2 is seriously worn, the groove plate 2 can be disassembled from the side plate 1 to replace the groove plate 2.

[0038] When the middle plate is seriously worn, the limiting plates 11 are disassembled from both ends of the clamping groove 12, and only the corresponding head plate 5 or tail plate 15 or middle plate 13 needs to be replaced through the convex strips 6 and the grooves 16, which greatly saves the maintenance cost.

[0039] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any modification and replacement based on the technical solutions and the application concept provided by the present application should be covered in the protection scope of the present application.

Claims

1. An improved middle trough structure of a scraper, comprising side plates (1), trough plates (2) and middle plates, characterized in that: The side plate (1) is symmetrically arranged, one side of the side plate (1) is provided with a long groove (7), the long groove (7) is provided with a groove plate (2), the top of the groove plate (2) is provided with an upper chain channel (10), the bottom of the groove plate (2) is provided with a lower chain channel (8), the upper chain channel (10) and the lower chain channel (8) are provided with a clamping strip (9), the middle plate includes a head plate (5), a tail plate (15) and a middle plate (13), the head plate (5) and the tail plate (15) are clamped at the two ends of the clamping strip (9), and the middle plate (13) is provided with a plurality of middle plates (13) clamped at the middle end of the clamping strip (9).

2. The improved middle trough structure of a scraper according to claim 1, characterized in that: The head plate (5), the tail plate (15) and the middle plate (13) are provided with clamping plates (14) on the two sides, the clamping plates (14) on the two sides of the head plate (5) are provided with a reserved section near the outer part, and the clamping plates (14) on the two sides of the tail plate (15) are provided with a reserved section near the outer part.

3. The improved middle trough structure of a scraper according to claim 2, characterized in that: The length of the clamping plate (14) on the two sides of the middle plate (13) is consistent with the width of the middle plate (13).

4. The improved middle trough structure of a scraper according to claim 1, characterized in that: The tail plate (15) and one end of the middle plate (13) are provided with a convex strip (6), and the head plate (5) and one end of the middle plate (13) are provided with a recess (16).

5. The improved middle trough structure of a scraper according to claim 1, characterized in that: The groove plate (2) is provided with an auxiliary roller (3) at both ends.

6. The improved middle trough structure of a scraper according to claim 1, characterized in that: The upper chain channel (10) and the lower chain channel (8) are provided with a semicircular groove, and the surfaces of the upper chain channel (10) and the lower chain channel (8) are coated with a wear-resistant coating.

7. The improved middle trough structure of a scraper according to claim 2, characterized in that: The clamping strip (9) is provided with a clamping groove (12), and the clamping plate (14) is clamped in the clamping groove (12).

8. The improved middle trough structure of a scraper according to claim 7, characterized in that: The clamping groove (12) is provided with a limiting plate (11) at both ends.

9. The improved middle trough structure of a scraper according to claim 1, characterized in that: The side plate (1) is provided with a lug (4) at both ends, and the lug (4) is provided with a mounting hole.

10. The improved middle trough structure of a scraper according to claim 1, characterized in that: The groove plate (2) and the side plate (1) are connected by bolts.

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