CN217200242U

CN217200242U - Scraping plate

Info

Publication number: CN217200242U
Application number: CN202122561587.1U
Authority: CN
Inventors: 张晓峰; 马兰英; 亓鹏
Original assignee: Shandong Lingxiyuan Technology Development Co ltd
Current assignee: Shandong Lingxiyuan Technology Development Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-08-16
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to a material conveyor technical field especially relates to a scraper blade, including main part, blowdown filter screen. The main body comprises a scraper blade body and a rolling body, the scraper blade body is provided with a fixing hole and a sewage discharge hole which are communicated with each other, and the fixing hole and the sewage discharge hole penetrate through the scraper blade body; the rolling body is arranged in the fixed hole and comprises a shell and a ball, an installation cavity is formed in the shell, the ball is arranged in the installation cavity, part of the ball extends out of the bottom side of the shell, and the shell is provided with a sewage outlet hole communicated with the installation cavity and the sewage outlet hole; the blowdown filter screen forms the blowdown mesh, and blowdown filter screen demountable installation is in the main part to separate the outside of dirty hole and scraper blade body. When the blowdown filter screen damages, perhaps impurity is difficult to follow the blowdown filter screen and discharges, can dismantle the blowdown filter screen to change the blowdown filter screen or clear up impurity, be favorable to guaranteeing the blowdown effect.

Description

Scraping plate

Technical Field

The utility model relates to a material conveyor technical field especially relates to a scraper blade.

Background

A scraper conveyor is a conveying device for conveying coal and materials, and generally includes an annular chain and scrapers mounted on the annular chain, wherein the annular chain can drive the scrapers to move on a material conveying groove of the scraper conveyor. For the friction loss that reduces scraper blade and material conveyer trough, the bottom of current scraper blade is equipped with the rolling element, and the rolling element includes the shell and can be in the rolling ball of shell, and the ball has the part to stretch out the bottom side of shell to can roll on the material conveyer trough, change the sliding friction between scraper blade and the material conveyer trough into rolling friction, and then reduce the running resistance of scraper blade, and reduce wearing and tearing.

But scraper conveyor usually uses under the relatively poor scene of environmental cleanliness such as colliery, has impurity such as buggy, mud usually on the material conveyer trough, and the scraper blade is at the operation in-process, and impurity gets into in the shell easily. After a long time of use, the foreign substances accumulated in the housing increase the rolling resistance of the balls, and even cause the balls to be caught in the housing and to be difficult to rotate.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a scraper blade damages when the blowdown filter screen, perhaps impurity is difficult to when discharging from the blowdown filter screen, can dismantle the blowdown filter screen get off to in changing the blowdown filter screen or clearing up impurity, be favorable to guaranteeing the blowdown effect, the effectual problem of having solved existence among the prior art.

In order to solve the problem, the utility model provides a scraper blade, including main part, blowdown filter screen. The main body comprises a scraper blade body and a rolling body, the scraper blade body is provided with a fixing hole and a sewage discharge hole which are communicated with each other, and the fixing hole and the sewage discharge hole penetrate through the scraper blade body; the rolling body is arranged in the fixed hole and comprises a shell and a ball, an installation cavity is formed in the shell, the ball is arranged in the installation cavity, part of the ball extends out of the bottom side of the shell, and the shell is provided with a sewage outlet hole communicated with the installation cavity and the sewage outlet hole; the blowdown filter screen forms the blowdown mesh, and blowdown filter screen demountable installation is in the main part to separate the outside of dirty hole and scraper blade body.

Further, the blowdown filter screen is detachably mounted to the scraper blade body.

Furthermore, the sewage draining filter screen is inserted into the sewage draining hole in an interference manner.

Furthermore, an inward-concave clamping groove or an outward-convex clamping groove is formed in the inner wall of the sewage discharge hole, and the sewage discharge filter screen is provided with a fixing part which is in interference insertion fit with the clamping groove.

Further, the sewage draining filter screen is in threaded connection with the sewage draining hole; or the sewage discharge filter screen is adhered to the sewage discharge hole.

Furthermore, the edge of the sewage discharge filter screen is provided with a convex mounting part, the inner wall of the sewage discharge hole forms a step surface facing the fixing hole, and the mounting part is clamped between the step surface and the top surface of the shell.

Furthermore, the pollution discharge filter screen is detachably arranged on the rolling body.

Further, a sewage discharge cavity is formed at the top of the shell, and a sewage discharge filter screen is inserted into the sewage discharge cavity in an interference manner; or the sewage draining filter screen is in threaded connection with the sewage draining cavity; or the sewage discharge filter screen is adhered to the sewage discharge cavity.

Furthermore, the top of the shell is provided with a convex mounting column, the sewage filter screen forms a mounting hole for the mounting column to penetrate through, and the sewage filter screen is mounted on the mounting column through the mounting hole.

Further, the mounting column is inserted into the mounting hole in an interference manner; or the mounting column is in threaded connection with the mounting hole; or the mounting post is adhered to the mounting hole.

The beneficial effects of the utility model reside in that, the scraper blade is at transported substance's in-process, and the blowdown filter screen can block that the large granule material gets into out dirty downtheholely, and then reduces impurity and get into the installation intracavity. When the scraper blade upset to blowdown filter screen down, impurity can be discharged by the blowdown filter screen under the action of gravity, and the scraper blade can produce the vibration at the operation in-process moreover, and under the promotion of vibration, impurity can blowdown filter screen discharge more easily to it piles up to reduce installation intracavity impurity, reduces the resistance that impurity rolled the production to the ball. In addition, when the blowdown filter screen damages, perhaps impurity is difficult to follow the blowdown filter screen and discharges, can dismantle the blowdown filter screen get off to in change blowdown filter screen or clearance impurity, be favorable to guaranteeing the blowdown effect. The utility model discloses an effectual problem of having solved existence among the prior art of scraper blade.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic view of a vertical structure of a scraper according to an embodiment of the present invention.

Fig. 2 is a schematic sectional view of a scraper body according to an embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of a main body according to an embodiment of the present invention.

Fig. 4 is a schematic partial sectional view of a scraper according to an embodiment of the present invention.

Fig. 5 is a schematic partial sectional view of a scraper according to another embodiment of the present invention.

Fig. 6 is a schematic partial sectional view of a scraper according to still another embodiment of the present invention.

Fig. 7 is a schematic partial sectional view of a scraper according to another embodiment of the present invention.

Fig. 8 is a schematic partial sectional view of a scraper according to still another embodiment of the present invention.

Wherein: 1. a main body; 11. a squeegee body; 111. a fixing hole; 112. a sewage draining hole; 113. a card slot; 114. a step surface; 12. a rolling body; 121. a housing; 1211. a mounting cavity; 1212. a sewage outlet hole; 1213. a blowdown chamber; 1214. mounting a column; 122. a ball bearing; 2. a sewage discharge filter screen; 21. a sewage draining mesh; 22. a fixed part; 23. an installation part.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus, the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, as shown in fig. 1 to 8, a scraper is provided, which comprises a main body 1 and a sewage filter screen 2. The main body 1 comprises a scraper blade body 11 and a rolling body 12, wherein the scraper blade body 11 is provided with a fixing hole 111 and a sewage discharge hole 112 which are communicated with each other, and the fixing hole 111 and the sewage discharge hole 112 penetrate through the scraper blade body 11; the rolling body 12 is mounted in the fixing hole 111, the rolling body 12 includes a housing 121 and a ball 122, a mounting cavity 1211 is formed in the housing 121, the ball 122 is mounted in the mounting cavity 1211, the ball 122 partially extends out of the bottom side of the housing 121, and the housing 121 has a dirt discharge hole 1212 which communicates the mounting cavity 1211 and the dirt discharge hole 112; the sewage discharge screen 2 forms the sewage discharge mesh 21, and the sewage discharge screen 2 is detachably installed to the main body 1 to separate the sewage hole 1212 from the outside of the squeegee body 11.

The utility model discloses a scraper blade is at the in-process of transported substance material, and blowdown filter screen 2 can block that large granule material gets into out in the dirty hole 1212, and then reduces in impurity gets into installation cavity 1211. When the scraper blade overturns to blowdown filter screen 2 and faces down, impurity can be discharged by blowdown filter screen 2 under the action of gravity, and the scraper blade can produce the vibration at the operation in-process moreover, and under the promotion of vibration, impurity can discharge blowdown filter screen 2 more easily to reduce the interior impurity of installation cavity 1211 and pile up, reduce the resistance that impurity rolled the production to ball 122. In addition, when blowdown filter screen 2 damaged, perhaps impurity is difficult to be discharged from blowdown filter screen 2, can dismantle blowdown filter screen 2 to in change blowdown filter screen 2 or clearance impurity, be favorable to guaranteeing the blowdown effect.

The utility model discloses a scraper blade can be applied to the scraper conveyor who sets up spray set, and the rivers that spray set jetted out can be by blowdown filter screen 2 get into the installation cavity 1211 in to dilute impurity, impurity after diluting can be discharged by blowdown filter screen 2.

It should be noted that, in the present invention, the state where the balls 122 partially protrude from the bottom side of the housing 121 is based on the state where the balls 122 face downward with respect to the scraper body 11, and it can be understood that, when the balls 122 face upward with respect to the scraper body 11, the balls 122 partially protrude from the top side of the housing 121.

In a preferred embodiment, more specifically, the drain strainer 2 is detachably mounted to the scraper body 11. When the blowdown filter screen 2 is dismantled to needs, can directly dismantle the blowdown filter screen 2 from scraper blade body 11, and need not dismantle other spare parts, dismantle the step and simplify, dismantle quick, convenient, efficient.

More specifically, the drainage filter screen 2 is inserted into the drainage hole 112 in an interference manner. The space in the sewage hole 112 is fully utilized, and the structure is more compact. And interference fit installation easy operation, quick, the installation is firm, and when scraper blade body 11 produced the vibration, blowdown filter screen 2 was difficult for not hard up. Especially when the flight is applied to a flight conveyor provided with a shower device, the drain strainer 2 is not easily detached from the drain holes 112 by the impact of water flow.

Further, an inner wall of the sewage discharge hole 112 is formed with an inward concave catching groove 113 or an outward convex catching groove 113, and the sewage discharge filter screen 2 has a fixing portion 22 which is inserted and fitted with the catching groove 113 in an interference manner. As shown in fig. 4 and 5, the clamping groove 113 can axially limit the sewage draining filter screen 2, and under the action of gravity, the clamping groove 113 can further prevent the sewage draining filter screen 2 from moving in the axial direction, prevent the sewage draining filter screen 2 from being separated from the sewage draining hole 112, and prevent the sewage draining filter screen 2 from inclining to cause a large gap between the sewage draining filter screen 2 and the inner wall of the sewage draining hole 112.

It should be noted that, in this embodiment, the form of the clamping groove 113 is not limited, and the clamping groove 113 may be an annular clamping groove 113, or a plurality of clamping grooves may be arranged at intervals on the inner wall of the sewage draining hole 112.

More specifically, the sewage draining filter screen 2 is in threaded connection with the sewage draining hole 112; alternatively, the drain strainer 2 is adhered to the drain hole 112.

For the threaded connection mode, when the sewage filter screen 2 is installed or disassembled, the sewage filter screen 2 can be fixed or separated from the sewage hole 112 in a rotating mode, the sewage filter screen 2 is not easy to be damaged in the process, and the assembly and disassembly are convenient and quick. And the threaded connection structure is simple, the connection is reliable, and the sewage discharge filter screen 2 is not easy to fall off from the sewage discharge hole 112 after being fixed. For the bonding mode, the blowdown filter screen 2 is difficult to take place to remove in all directions, and the installation is firm. When the drain strainer 2 is detached, the adhesive layer may be damaged by external force or heat, so that the drain strainer 2 is separated from the drain hole 112.

In the preferred embodiment, more specifically, the edge of the drain screen 2 has a protruding mounting portion 23, the inner wall of the drain hole 112 forms a stepped surface 114 facing the fixing hole 111, and the stepped surface 114 and the top surface of the housing 121 sandwich the mounting portion 23.

As shown in fig. 6, the stepped surface 114 and the top surface of the housing 121 axially limit the mounting portion 23, so that the sewage screen 2 is not easily removed from the sewage hole 112, and is securely fixed. In the installation process of the sewage screen 2, specifically, in the case that the aperture of the fixing hole 111 is larger than the maximum radial dimension of the sewage screen 2, the sewage screen 2 may be installed into the sewage hole 112 through the fixing hole 111, the installation portion 23 abuts against the step surface 114, and then the assembled rolling body 12 is installed into the fixing hole 111 to support the sewage screen 2. The installation process is more labor-saving and convenient to install. When the aperture of the fixing hole 111 is smaller than the maximum radial dimension of the sewage filter screen 2, the mounting part 23 can be designed as an elastic mounting part 23, the mounting part 23 can be clamped on the step surface 114 through elastic deformation, and then the rolling body 12 is mounted in the fixing hole 111 to support the sewage filter screen 2.

It should be noted that the present embodiment does not limit the manner in which the step surface 114 is formed, and in one embodiment, the inner wall of the drain hole 112 has a groove communicating with the fixing hole 111 to form the step surface 114, and in another embodiment, the inner wall of the drain hole 112 has a protrusion to form the step surface 114. In addition, the present embodiment does not limit the form of the mounting portion 23, in one embodiment, the mounting portion 23 is an annular mounting portion 23, in another embodiment, the mounting portion 23 is provided in a plurality, and the plurality of mounting portions 23 are spaced around the edge of the drain screen 2.

In a preferred embodiment, the sewage screen 2 is further detachably mounted to the rolling body 12. When assembling, the rolling body 12 may be assembled, the pollution discharge screen 2 may be mounted on the rolling body 12, and then the rolling body 12 and the pollution discharge screen 2 may be mounted in the fixing hole 111 together. The pollution discharge filter screen 2 is arranged on the rolling body 12 in advance, so that the operation space is large, the installation is easier, and the installation accuracy can be improved.

More specifically, a blowdown cavity 1213 is formed at the top of the casing 121, and the blowdown filter screen 2 is inserted into the blowdown cavity 1213 in an interference manner; or the sewage draining filter screen 2 is in threaded connection with the sewage draining cavity 1213; alternatively, the drain strainer 2 is bonded to the drain chamber 1213. As shown in fig. 7, the waste chamber 1213 facilitates mounting of the waste screen 2 to the housing 121 using a variety of attachment means. Moreover, the cavity wall of the blowdown cavity 1213 can limit the blowdown filter screen 2, improve the installation accuracy, and reduce the occurrence of the loose phenomenon.

More specifically, the top of the housing 121 is provided with a protruding mounting post 1214, the drainage screen 2 forms a mounting hole for the mounting post 1214 to penetrate through, and the drainage screen 2 is mounted on the mounting post 1214 through the mounting hole. As shown in fig. 8, the mounting posts 1214 protrude from the housing 121, so that an operation space is larger when the drain filter 2 is mounted, and the drain filter 2 is easier to mount.

Further, the mounting posts 1214 are inserted into the mounting holes in an interference manner; or the mounting posts 1214 are threaded into the mounting holes; or the mounting posts 1214 are adhesively attached to the mounting holes. The technical effect brought by the connection manner of this embodiment is the same as the technical effects of interference connection, threaded connection, and adhesion described in the above embodiments, and will not be described again here.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A flight, comprising:

the scraper comprises a main body, a scraper body and a rolling body, wherein the scraper body is provided with a fixing hole and a sewage discharge hole which are communicated with each other, and the fixing hole and the sewage discharge hole penetrate through the scraper body; the rolling body is arranged in the fixing hole and comprises a shell and a ball, an installation cavity is formed in the shell, the ball is arranged in the installation cavity, part of the ball extends out of the bottom side of the shell, and the shell is provided with a sewage outlet communicated with the installation cavity and the sewage outlet;

the blowdown filter screen, the blowdown filter screen forms the blowdown mesh, blowdown filter screen demountable installation in the main part is in order to separate go out dirty hole with the outside of scraper blade body.

2. The scraper of claim 1 wherein said drain screen is removably mounted to said scraper body.

3. The scraper of claim 2 wherein the drain screen is interference inserted into the drain hole.

4. The scraping plate as claimed in claim 3, wherein the inner wall of the sewage discharging hole is formed with a concave slot or a convex slot, and the sewage discharging filter screen is provided with a fixing part which is in interference insertion fit with the slot.

5. The scraper of claim 2 wherein the drain screen is threadably connected to the drain hole; or the sewage discharge filter screen is adhered to the sewage discharge hole.

6. The scraper blade of claim 1, wherein an edge of the drain strainer has a convex mounting portion, and the inner wall of the drain hole forms a stepped surface facing the fixing hole, the stepped surface and a top surface of the housing clamping the mounting portion.

7. The scraper of claim 1 wherein said dirt screen is removably mounted to said rolling elements.

8. The scraper of claim 7 wherein the top of the housing forms a blowdown chamber, the blowdown screen being interference inserted into the blowdown chamber; or the sewage draining filter screen is in threaded connection with the sewage draining cavity; or the sewage discharge filter screen is bonded to the sewage discharge cavity.

9. The scraper of claim 7 wherein the top of the housing has a projecting mounting post, the drain screen defining a mounting hole for the mounting post to pass through, the drain screen being mounted to the mounting post through the mounting hole.

10. The scraper blade of claim 9 wherein said mounting posts are interference inserted into said mounting holes; or the mounting column is in threaded connection with the mounting hole; or the mounting post is adhered to the mounting hole.