Fire grate segment

Abstract

The utility model relates to the technical field of fire grate segments, in particular to a fire grate segment which comprises a cover plate, a hook plate arranged at the right end of the cover plate, a protruding plate arranged at the left end of the cover plate, a mounting groove formed in the upper surface of the cover plate, a reinforcing column arranged in the middle of the bottom of the mounting groove, an inserting column arranged at the bottom of the front end face of the cover plate and an inserting groove formed in the position, corresponding to the inserting column, of the bottom of the rear end face of the cover plate. A protruding strip is arranged in the middle of the inner side face of the hook plate, and a plurality of clamping grooves are formed in the two sides of the protruding strip on the inner side face of the hook plate. According to the fire grate segment, the installation stability of the fire grate segment and an external connecting plate is improved by arranging the cover plate with the notch, the right end of the cover plate is correspondingly connected and matched with the external connecting plate in a hanging mode under the cooperation of the hook plate with the protruding strip, the clamping installation stability of the left end of the cover plate and the outside is achieved under the cooperation of the protruding plate, and the reinforcing column with the fixing block is arranged in the installation groove in a matched mode; the overall toughness of the cover plate is improved, and the anti-extrusion performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the grate piece technical field, concretely is a grate piece. BACKGROUND

[0002] The grate is a component for piling up solid fuel and making it burn effectively in a boiler or industrial furnace, and the grate is usually made of cast iron, and necessary ventilation gaps are kept between the pieces after assembly;

[0003] The utility model discloses a grate piece, which has: an upper wall portion extending in a first direction; a front wall portion extending downward from a front end of the upper wall portion; a flow path provided on a back side of the upper wall portion; and a partition wall separating the flow path vertically and having: a partition wall main body with a main face facing the upper wall portion; and a plurality of cooling holes formed in the partition wall main body and spraying a cooling medium toward a back face of the upper wall portion to impact cool the upper wall portion;

[0004] The above technical solution, when the cooling medium sprayed from the pipeline is discharged, the gap between the side wall portion and the pipeline functions as a cooling medium discharge hole that is longer in the first direction, so that even if the flow of the cooling medium is increased, the cooling effect of the impact jet is difficult to be hindered by the flow of the cooling medium toward the cooling medium discharge hole, thereby the effect of the impact jet can be maximized; but the grate piece is not convenient for quick assembly and combination, and the overall support toughness cannot be increased, and the extrusion resistance is increased. UTILITY MODEL CONTENTS

[0005] The utility model discloses a grate piece, which has: an upper wall portion extending in a first direction; a front wall portion extending downward from a front end of the upper wall portion; a flow path provided on a back side of the upper wall portion; and a partition wall separating the flow path vertically and having: a partition wall main body with a main face facing the upper wall portion; and a plurality of cooling holes formed in the partition wall main body and spraying a cooling medium toward a back face of the upper wall portion to impact cool the upper wall portion;

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A grate piece, comprising a cover plate, a hook plate is arranged at the right end of the cover plate, a convex plate is arranged at the left end of the cover plate, a mounting groove is formed in the upper surface of the cover plate, a reinforcing column is arranged at the middle of the bottom of the mounting groove, a plug column is arranged at the bottom of the front end face of the cover plate, a plug groove is formed in the bottom of the rear end face of the cover plate and corresponds to the plug column, a convex strip is arranged at the middle of the inner side face of the hook plate, and a plurality of clamping grooves are formed in the inner side face of the hook plate and correspond to the two sides of the convex strip.

[0008] Further, the hook plate is in the form of a circular arc plate, and the hook plate and the cover plate are in an integral molding structure.

[0009] In the utility model, the hook plate in the form of a circular arc is helpful for the hooking and cooperation of the connecting plate corresponding to the cover plate, and the stability of the cover plate installation is increased.

[0010] Specific, the convex strip and the hook plate are integrally formed, the clamping grooves are distributed at equal intervals, the arc-shaped grooves are arranged on the outer wall of the hook plate and are distributed at equal intervals.

[0011] In the utility model, the toughness of the hook plate is increased under the cooperation of the convex strips, and the contact area of the hook plate and the external connecting plate is increased under the cooperation of the plurality of clamping grooves, so that the friction force during hooking is increased, and the hooking installation cooperation is facilitated.

[0012] It should be noted that the length of the reinforcing column is adapted to the length of the inner wall of the mounting groove, the fixing blocks are arranged on both sides of the reinforcing column, the fixing blocks and the reinforcing column are integrally formed, and the outer ends of the fixing blocks are welded and fixed to the cover plates.

[0013] In the utility model, the fixing blocks increase the stability of the cover plate structure, and the compression resistance and support cooperation are facilitated.

[0014] Further, the plug column and the cover plate are integrally formed, the width of the outer wall of the plug column is adapted to the width of the inner wall of the plug groove, and the two side faces of the cover plate are provided with openings.

[0015] In the utility model, the plug column on one of the cover plates is inserted into the plug groove on the other cover plate, the two adjacent cover plates are tightly fitted and assembled, the stability of the combination is increased, the cover plate and the external connecting plate are fitted and clamped under the cooperation of the openings, the stability of the installation is increased.

[0016] Specifically, the convex plate and the cover plate are integrally formed, the limit block is arranged on the front end face of the convex plate, and the limit groove is arranged on the rear end face of the convex plate and corresponds to the limit block.

[0017] In the utility model, the cooperation of the convex plate facilitates the corresponding clamping cooperation of the left end of the cover plate and the external connecting plate, increases the stability of the cover plate installation, and further realizes the stability of the combination between the two adjacent cover plates under the cooperation of the limit block and the limit groove.

[0018] Secondly, the limit block and the convex plate are integrally formed, the width of the outer wall of the limit block is adapted to the width of the inner wall of the limit groove, and the limit block on one of the convex plates is inserted into the limit groove on the adjacent convex plate.

[0019] In the utility model, the cooperation of the limit block and the limit groove between the two adjacent convex plates reduces the influence of the material leakage in the combination gap between the adjacent convex plates.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1. The utility model discloses a cover plate with an opening, which increases the stability of the installation of the connecting plate with the outside world. With the cooperation of the hook plate with protrusions, the right end of the cover plate is correspondingly hung and cooperated with the connecting plate with the outside world. With the cooperation of the convex plate, the left end of the cover plate is stably installed by clamping. The reinforcing column with a fixed block in the installation groove increases the overall toughness of the cover plate, thereby increasing the extrusion resistance.

[0022] 2. The utility model discloses a plug-in cooperation of the plug-in column and the plug-in groove, which realizes the quick and tight splicing cooperation between the two adjacent cover plates, increases the stability of the combination, and further increases the stability of the combination between the two adjacent cover plates. The gap leakage material is reduced, and the stability of the support after the overall splicing is increased. DRAWINGS

[0023] Figure 1 It is the overall splicing combination structure schematic diagram of the utility model;

[0024] Figure 2 It is the overall schematic diagram of the utility model;

[0025] Figure 3 It is the overall side view schematic diagram of the utility model;

[0026] Figure 4 It is the overall schematic diagram of the utility model in the overturning state.

[0027] The meanings of the various reference signs in the drawings are as follows:

[0028] 1, cover plate; 10, installation groove; 11, opening; 12, plug-in column; 13, convex plate; 130, limiting block; 131, limiting groove; 14, plug-in groove;

[0029] 2, hook plate; 20, protrusion; 21, clamping groove; 22, arc-shaped groove;

[0030] 3, reinforcing column; 30, fixed block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0032] Please refer to Figures 1-4 The embodiment provides a technical solution:

[0033] A grate piece, including a cover plate 1, the right end of the cover plate 1 is provided with a hook plate 2, the hook plate 2 is in the form of a circular arc plate, and the hook plate 2 is integrally formed with the cover plate 1.

[0034] In the utility model, the arc-shaped hook plate 2 helps the cover plate 1 to be connected with the corresponding connecting plate of the outside world, and the stability of the installation of the cover plate 1 is improved.

[0035] Further, the left end of the cover plate 1 is provided with a convex plate 13, the convex plate 13 is integrally formed with the cover plate 1, a limiting block 130 is arranged on the front end surface of the convex plate 13, and a limiting groove 131 is arranged on the rear end surface of the convex plate 13 and corresponds to the limiting block 130.

[0036] In the utility model, the convex plate 13 helps the left end of the cover plate 1 to be correspondingly clamped and connected with the connecting plate of the outside world, and the stability of the installation of the cover plate 1 is improved.

[0037] Specifically, the limiting block 130 is integrally formed with the convex plate 13, the width of the outer wall of the limiting block 130 is matched with the width of the inner wall of the limiting groove 131, the limiting block 130 on one of the convex plates 13 is correspondingly inserted and connected with the limiting groove 131 on the adjacent convex plate 13.

[0038] In the utility model, the limiting block 130 and the limiting groove 131 help the adjacent two convex plates 13 to be combined stably.

[0039] It should be noted that the upper surface of the cover plate 1 is provided with a mounting groove 10, the bottom middle part of the mounting groove 10 is provided with a reinforcing column 3, the length of the reinforcing column 3 is matched with the length of the inner wall of the mounting groove 10, the two sides of the reinforcing column 3 are provided with fixed blocks 30, the fixed blocks 30 are integrally formed with the reinforcing column 3, and the outer ends of the fixed blocks 30 are welded and fixed with the cover plate 1.

[0040] In the utility model, the fixed blocks 30 increase the structural stability of the cover plate 1 and help the cover plate 1 to be connected and supported.

[0041] Further, the bottom of the front end surface of the cover plate 1 is provided with a plug-in column 12, the bottom of the rear end surface of the cover plate 1 is provided with a plug-in groove 14, the plug-in column 12 is integrally formed with the cover plate 1, the width of the outer wall of the plug-in column 12 is matched with the width of the inner wall of the plug-in groove 14, and the two side surfaces of the cover plate 1 are provided with apertures 11.

[0042] In the utility model, the plug-in column 12 on one of the cover plates 1 is inserted and connected with the plug-in groove 14 on the other cover plate 1, the two adjacent cover plates 1 are closely connected and assembled, the stability of the combination is improved, and the apertures 11 help the cover plate 1 to be clamped and connected with the connecting plate of the outside world, and the stability of the installation is improved.

[0043] Specifically, the middle of the inner side of the hook plate 2 is provided with a convex strip 20, and a plurality of clamping grooves 21 are arranged on both sides of the convex strip 20.

[0044] Secondly, the convex strip 20 is integrally formed with the hook plate 2, the clamping grooves 21 are distributed at equal intervals, and a plurality of arc-shaped grooves 22 are arranged on the outer wall of the hook plate 2 and distributed at equal intervals.

[0045] In the utility model, the toughness of the hook plate 2 is increased under the cooperation of the convex strip 20, and the contact area of the hook plate 2 and the external connecting plate is increased under the cooperation of the plurality of clamping grooves 21, so that the friction force during hooking is increased, which is helpful for stable hooking and installation cooperation.

[0046] In use, the user first combines and installs the reinforcing column 3 with the fixing block 30 with the cover plate 1 with the convex plate 13, the notch 11 is located at the two side edges of the cover plate 1, then the hook plate 2 with the convex strip 20 is combined and fixed with the cover plate 1, under the cooperation of the clamping grooves 21 and the arc-shaped grooves 22, the hook plate 2 and the external connecting plate are correspondingly hooked and cooperated, the friction resistance is increased, the hook plate 2 is prevented from being separated from the connecting plate, under the cooperation of the convex plate 13, the left end of the cover plate 1 and the external connecting plate are hooked and cooperated, the stability of installation is increased, under the cooperation of the reinforcing column 3 and the convex strip 20, the toughness of the overall structure of the cover plate 1 is increased, and the extrusion influence is resisted at the same time.

[0047] When the two adjacent cover plates 1 are assembled, the insertion column 12 on one of the cover plates 1 is inserted and cooperated with the insertion groove 14 on the other cover plate 1, the side surface limiting block 130 on the convex plate 13 on the corresponding cover plate 1 is inserted and cooperated with the limiting groove 131 on the other side surface, the stability of the combination and splicing of the two adjacent cover plates 1 is increased, the influence of material leakage through the gap when the two cover plates 1 are spliced is reduced, and the overall combination and splicing is convenient and fast.

Claims

1. A grate bar comprising a cover plate (1), the right end of the cover plate (1) being provided with a hook plate (2), the left end of the cover plate (1) being provided with a convex plate (13), characterized in that: The cover plate (1) upper surface is provided with an installation groove (10), the installation groove (10) bottom middle part is provided with a reinforcing column (3), the cover plate (1) front end surface bottom is provided with a plug-in column (12), the cover plate (1) rear end surface bottom is provided with a plug-in slot (14) corresponding to the plug-in column (12), the hook plate (2) inner side surface middle part is provided with a convex strip (20), the hook plate (2) inner side surface is provided with a plurality of clamping grooves (21) corresponding to the convex strip (20) both sides.

2. The grate bar according to claim 1, characterized in that: The hook plate (2) is a circular arc plate, and the hook plate (2) and the cover plate (1) are an integral molding structure.

3. The grate bar according to claim 1, characterized in that: The convex strip (20) and the hook plate (2) are an integral molding structure, the clamping grooves (21) are distributed at equal intervals, the hook plate (2) outer wall is provided with a plurality of arc grooves (22), and the arc grooves (22) are distributed at equal intervals.

4. The grate bar of claim 1, wherein: The reinforcing column (3) length is adapted to the length of the installation groove (10) inner wall, the reinforcing column (3) both sides are provided with a fixing block (30), the fixing block (30) and the reinforcing column (3) are an integral molding structure, and the fixing block (30) outer end is welded and fixed with the cover plate (1).

5. The grate bar according to claim 1, characterized in that: The plug-in column (12) and the cover plate (1) are an integral molding structure, the plug-in column (12) outer wall width is adapted to the width of the plug-in slot (14) inner wall, and the cover plate (1) both sides are provided with an opening (11).

6. The grate bar of claim 1, wherein: The convex plate (13) and the cover plate (1) are an integral molding structure, the convex plate (13) front end surface is provided with a limiting block (130), and the convex plate (13) rear end surface is provided with a limiting slot (131) corresponding to the limiting block (130).

7. The grate bar according to claim 6, characterized in that: The limiting block (130) and the convex plate (13) are an integral molding structure, the limiting block (130) outer wall width is adapted to the width of the limiting slot (131) inner wall, and the limiting block (130) on one of the convex plates (13) is inserted and matched with the limiting slot (131) on an adjacent one of the convex plates (13).

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