Maintenance middle trough and screening reversed loader

Abstract

The overhauling middle trough comprises a trough body, the trough body comprises a bottom plate, side plates, middle plates, transverse plates and an upper edge, the two sides of the bottom plate are connected with the bottoms of the side plates, the middle plates are arranged on the inner side walls of the side plates, and the transverse plates are arranged on the inner side walls of the side plates and located on the two sides of the middle plates. The bottom plate, the side plates, the middle plate and the transverse plate define a scraper chain conveying channel, and the tops of the side plates are provided with upper edges. The movable edges are detachably installed on the side plates, the movable edges can be detached when maintenance is needed, the double-chain scraper chain, the pressing plates and the bolts on the movable edges can be exposed, maintenance can be carried out, after the exposed parts are maintained, equipment is started to move the parts which are not maintained to the movable edges for maintenance, and the maintenance efficiency is greatly improved. And the steps are repeated in sequence until the whole double-chain scraper chain is overhauled, and overhauling is convenient and fast.

Description

Technical Field

[0001] The present application belongs to the technical field of coal mining, and specifically relates to a maintenance middle trough and a screening transfer machine. Background Art

[0002] Different from the middle double chain structure of the scraper chain of the ordinary scraper transfer machine, the scraper chain of the screening transfer machine in the reverse bottom chain transport chute screening and crushing system adopts a side double chain structure. The two chains are arranged at the edges of the scraper on both sides and fixed to the scraper by pressure plates and bolts. The scraper chain needs to be regularly inspected and the scraper bolts tightened during use to ensure that the scraper, pressure plate and chain cooperate reliably. When the double-chain scraper chain runs in the trough, the upper edge of the trough covers the chains on both sides of the scraper chain, as well as the pressure plates and bolts. There is no sufficient maintenance space, which makes it impossible to repair the scraper chain, increasing the maintenance time and affecting the efficiency of equipment use. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art or related technology.

[0004] In order to solve the above problems, the first aspect of the present application provides a maintenance middle trough, including a trough body, the trough body including a bottom plate, a side plate, a middle plate, a cross plate and an upper edge, the two sides of the bottom plate are connected to the bottom of the side plate, a middle plate is arranged on the inner wall of the side plate, and cross plates are arranged on the inner wall of the side plate and on both sides of the middle plate. The bottom plate, side plates, middle plate and cross plates form a scraper chain transport channel, an upper edge is arranged on the top of the side plate, a notch is opened on the top of the side plate and between the upper edges, a live edge is detachably arranged on the notch, and the side plates, middle plates, cross plates, upper edges and live edges form a scraper chain return channel.

[0005] Optionally, a fixing plate is provided on the outer side wall of the side plate and below the notch, and a first connecting member is provided between the movable edge and the fixing plate.

[0006] Optionally, the live edge is an L-shaped structure.

[0007] Optionally, an inspection opening is formed between the middle plate and the cross plate, and the length between the diagonals of the inspection opening is greater than the length of the scraper on the scraper chain.

[0008] Optionally, it also includes chain pressing blocks, and multiple groups of chain pressing blocks are symmetrically arranged on the inner side walls of the side plates and close to the bottom plate.

[0009] Optionally, a second connecting member is provided between the chain pressing block and the side plate.

[0010] Optionally, the first connecting member and the second connecting member are bolts.

[0011] Optionally, the trough body further includes a connecting plate, a plurality of mounting holes are formed on the connecting plate, and the connecting plate is arranged on the front and rear sides of the side plate.

[0012] Optionally, the bottom plate, side plates, middle plate, cross plate, upper edge and connecting plates are all connected by welding.

[0013] The second aspect of the present application also provides a screening transfer machine, including: a maintenance middle trough as proposed in any of the above technical solutions.

[0014] Beneficial Effects

[0015] A maintenance middle trough and screening transfer machine provided in the embodiment of the utility model has a live edge detachably installed on the side plate. When maintenance is needed, the live edge can be disassembled, and the double-chain scraper chain, pressure plate and bolts at the live edge can be exposed for maintenance. After the exposed part is repaired, the equipment is started to move the uninspected part to the live edge for maintenance, and the cycle is repeated until the maintenance of the entire double-chain scraper chain is completed. The maintenance is convenient and quick. When the double-chain scraper chain of the bottom chain track has chain breakage, scraper breakage and other faults, the staff can enter the bottom chain track through the maintenance space for maintenance and replacement of damaged parts. The diagonal length of the maintenance opening is greater than the length of the scraper on the scraper chain, which is convenient for the staff to take out and put in the scraper from the bottom chain track, facilitate the replacement of the scraper, and improve the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the middle tank for maintenance of the utility model;

[0017] Figure 2 This is a disassembly diagram of the structure of the live edge of the middle groove and the chain pressing block for maintenance of the utility model;

[0018] Figure 3 This is a structural diagram of the utility model after the live edge of the middle groove and the chain pressure block are disassembled for maintenance.

[0019] The reference numerals are as follows:

[0020] 1. Trough body; 11. Bottom plate; 12. Side plate; 13. Middle plate; 14. Transverse plate; 15. Upper edge; 2. Live edge; 3. Fixed plate; 4. First connecting piece; 5. Inspection port; 6. Chain pressing block; 16. Connecting plate. DETAILED DESCRIPTION

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] See also Figure 1-3 As shown, according to an embodiment of the present application, a maintenance middle trough is provided, including a trough body 1, the trough body 1 includes a bottom plate 11, a side plate 12, a middle plate 13, a transverse plate 14 and an upper edge 15, the bottom plate 11 is connected to the bottom of the side plate 12 on both sides, the middle plate 13 is arranged on the inner wall of the side plate 12, and transverse plates 14 are arranged on the inner wall of the side plate 12 and on both sides of the middle plate 13, the bottom plate 11, the side plate 12, the middle plate 13 and the transverse plate 14 form a scraper chain transport channel, the top of the side plate 12 is provided with an upper edge 15, and a notch is opened on the top of the side plate 12 and between the upper edges 15, and a live edge 2 is detachably provided on the notch, and the side plates 12, the middle plate 13, the transverse plate 14, the upper edge 15 and the live edge 2 form a scraper chain return channel.

[0026] Specifically, the side plates 12 are installed on both sides of the bottom plate 11 to form a trough body 1, the middle plate 13 is installed horizontally on the inner wall of the side plate 12 and close to the top position, the cross plate 14 is installed between the inner walls of the side plates 12 and located on both sides of the middle plate 13, and the top of the middle plate 13 and the cross plate 14 are in the same plane to support the double-chain scraper chain. The bottom plate 11, the side plates 12, the middle plate 13 and the cross plate 14 form a double-chain scraper chain for coal transportation. The side plates 12, the middle plate 13, the cross plate 14, the upper edge 15 and the movable edge 2 form a return channel for the double-chain scraper chain. The double-chain scraper chain can move inside the trough body 1 to realize the transportation of coal; the live edge 2 is detachably installed in the notch opened on the top of the side plate 12. When the double-chain scraper chain needs to be repaired, the equipment is shut down and the live edges 2 on both sides are removed from the side plates 12. At this time, the double-chain scraper chain, pressure plate and bolts on the live edge 2 are exposed and can be repaired. After the exposed part is repaired, start the equipment to move the unrepaired part to the live edge 2 for repair, and repeat the cycle until the repair work of the entire double-chain scraper chain is completed. The repair is convenient and quick.

[0027] A fixing plate 3 is disposed on the outer side wall of the side plate 12 and below the notch, and a first connecting member 4 is disposed between the movable edge 2 and the fixing plate 3 .

[0028] Specifically, the fixed plate 3 is installed on the outer wall of the side plate 12, and is used to fix the live edge 2. When the live edge 2 is fixedly installed on the fixed plate 3 through the first connecting member 4, the live edge 2 can block the notch to avoid exposure of the double-chain scraper chain during use, thereby improving safety of use; when maintenance is required, the live edge 2 can be removed from the notch, and the double-chain scraper chain at the live edge 2 can be exposed, making maintenance convenient.

[0029] The movable edge 2 is an L-shaped structure.

[0030] Specifically, the movable edge 2 is an L-shaped structure. After it is installed on the fixed plate 3, its top can be parallel to the upper edge 15 installed on the side plate 12. Therefore, after it is installed, it can form a double-chain scraper chain return channel with the side plate 12, the middle plate 13, the cross plate 14 and the upper edge 15.

[0031] An inspection opening 5 is formed between the middle plate 13 and the transverse plate 14 , and the length between the diagonals of the inspection opening 5 is greater than the length of the scraper on the scraper chain.

[0032] Specifically, an inspection opening 5 is formed between the middle plate 13 and the cross plate 14. When the double-chain scraper chain of the bottom chain track has a chain break or a scraper break, the staff can enter the bottom chain track through the inspection opening 5 to carry out inspection and replace damaged parts. The diagonal length of the inspection opening 5 is greater than the length of the scraper on the scraper chain, which is convenient for the staff to take out and put in the scraper disassembled after maintenance from the bottom chain track, facilitate the replacement of the scraper, and improve the maintenance efficiency.

[0033] It also includes chain pressing blocks 6 , and a plurality of groups of chain pressing blocks 6 are symmetrically arranged on the inner side wall of the side plate 12 and close to the bottom plate 11 .

[0034] A second connecting member is provided between the chain pressing block 6 and the side plate 12 .

[0035] Specifically, multiple groups of chain pressing blocks 6 are installed on the inner wall of the side plate 12 in pairs through the second connecting parts. The chain pressing blocks 6 are at a certain height from the bottom plate 11 for the double-chain scraper chain to pass through. The chain pressing blocks 6 are used to prevent the double-chain scraper chain from floating when transporting coal.

[0036] The chain pressing block 6 is detachably mounted on the side plate 12 via a second connecting piece, so that when the chain pressing block 6 is worn and damaged during use, it is convenient to disassemble and replace it.

[0037] The first connecting member 4 and the second connecting member are bolts.

[0038] The tank body 1 further includes a connecting plate 16 , on which a plurality of mounting holes are formed. The connecting plate 16 is disposed at the front and rear sides of the side plate 12 .

[0039] Specifically, the connecting plate 16 is installed on both sides of the side plate 12, and a plurality of mounting holes are provided on the connecting plate 16 to facilitate the connection and installation with other components.

[0040] The bottom plate 11 , the side plates 12 , the middle plate 13 , the transverse plate 14 , the upper edge 15 and the connecting plate 16 are all connected by welding.

[0041] Specifically, the bottom plate 11, the side plate 12, the middle plate 13, the transverse plate 14, the upper edge 15 and the connecting plate 16 are all connected by welding, which is convenient for integral production and can improve the stability of the connection between the various components and increase the service life.

[0042] In one embodiment of the present application, a screening transfer machine is provided, comprising: a maintenance middle slot as in any embodiment. Therefore, the screening transfer machine has all the beneficial effects of the maintenance middle slot in any of the above embodiments. In addition, multiple sections of the maintenance middle slot can be installed according to the overall length of the screening transfer machine, so that when the double-chain scraper chain is being repaired, maintenance operations can be carried out in multiple maintenance middle slots at the same time, thereby improving maintenance efficiency and saving maintenance time.

[0043] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above are only preferred implementations of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.

Claims

1. A method for repairing a middle tank, characterized in that: The invention comprises a trough body (1), wherein the trough body (1) comprises a bottom plate (11), side plates (12), a middle plate (13), a transverse plate (14) and an upper edge (15), wherein two sides of the bottom plate (11) are connected to the bottom of the side plates (12), the middle plate (13) is arranged on the inner side wall of the side plates (12), and the transverse plates (14) are arranged on the inner side wall of the side plates (12) and on both sides of the middle plate (13), and the bottom plate (11), The side plates (12), the middle plates (13) and the transverse plates (14) form a scraper chain transport channel, an upper edge (15) is arranged on the top of the side plates (12), a notch is opened on the top of the side plates (12) and between the upper edges (15), a movable edge (2) is detachably arranged on the notch, and the side plates (12), the middle plates (13), the transverse plates (14), the upper edge (15) and the movable edge (2) form a scraper chain return channel.

2. The maintenance middle tank according to claim 1, characterized in that: A fixing plate (3) is arranged on the outer side wall of the side plate (12) and below the notch, and a first connecting member (4) is arranged between the movable edge (2) and the fixing plate (3).

3. The maintenance middle tank according to claim 2, characterized in that: The movable edge (2) is an L-shaped structure.

4. The maintenance middle tank according to claim 3, characterized in that: An inspection opening (5) is formed between the middle plate (13) and the transverse plate (14), and the length between the diagonals of the inspection opening (5) is greater than the length of the scraper on the scraper chain.

5. The maintenance middle tank according to claim 4, characterized in that: It also includes a chain pressing block (6), and a plurality of groups of chain pressing blocks (6) are symmetrically arranged on the inner side wall of the side plate (12) and close to the bottom plate (11).

6. The maintenance middle tank according to claim 5, characterized in that: A second connecting piece is provided between the chain pressing block (6) and the side plate (12).

7. The maintenance middle tank according to claim 6, characterized in that: The first connecting member (4) and the second connecting member are bolts.

8. The maintenance middle tank according to claim 7, characterized in that: The trough body (1) further comprises a connecting plate (16), a plurality of mounting holes are provided on the connecting plate (16), and the connecting plate (16) is arranged on the front and rear sides of the side plate (12).

9. The maintenance middle tank according to claim 8, characterized in that: The bottom plate (11), the side plates (12), the middle plate (13), the transverse plate (14), the upper edge (15) and the connecting plate (16) are all connected by welding.

10. A screening transfer machine, characterized in that: include: The maintenance middle tank according to any one of claims 1 to 9.

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