Fire grate bar convenient to support

By designing a grate bar that is easy to support, using the support column and the plugged grate bar body, combined with the cooperation of slots, threaded holes and limiting plates, the stable support and independent disassembly and replacement of the grate bar is achieved, which solves the problem of easy and time-consuming replacement of the existing grate bar, saving resources and reducing costs.

CN222578892UActive Publication Date: 2025-03-07JIANGSU XINTEER METALLURGY MASCH MFG CO LTD
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Patent Information

Application Number
CN202420581900.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-03-07
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

The existing grate strips are installed as a whole at the bottom of the sintering furnace, which are easily damaged and need to be replaced frequently, resulting in time-consuming and laborious replacement and waste of resources.

Method used

A grate bar is designed for easy support, including a support column and a plurality of grate bar bodies inserted on the support column. Through the cooperation of slots, threaded holes, insert blocks, limit plates and bolts, the upper beam and lower support portion of the grate bar can be independently arranged and disassembled.

Benefits of technology

The stable support of the grate bar body is achieved, which facilitates independent disassembly and replacement of the upper beam and lower support part of the grate bar, saving time and resources and reducing usage costs.

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Abstract

The utility model provides a fire grate bar convenient to support, which comprises support columns, the support columns are symmetrically arranged, and a plurality of grate bar bodies which are sequentially arranged are arranged on the top walls of the support columns. The grid section upper cross beam is reasonable in design, the two grid section upper cross beams can be independently arranged through matching of the inserting grooves, the threaded holes, the inserting blocks, the limiting plates, the small holes and the bolts, the two grid section upper cross beams can be connected together in a limiting mode when used, and the grid section upper cross beams can be conveniently connected through matching of the grooves, the L-shaped movable plates, the springs and the lower connecting blocks. The grid section lower supporting parts can be positioned firstly when being installed, operation on the grid section lower supporting parts is facilitated, the two grid section lower supporting parts can be connected with the two grid section upper cross beams correspondingly through cooperation of the arrangement of upper connecting blocks, lower connecting blocks, screws, anti-skid gaskets, anti-skid gaskets and anti-skid nuts, and therefore the grid section lower supporting parts can be installed conveniently. The two grate bar upper cross beams and the two grate bar lower supporting parts can be detached and replaced independently, time and labor are saved, use resources are saved, and the use cost is reduced.
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Description

Technical Field

[0001] The utility model mainly relates to the technical field of grate bars, and in particular to a grate bar which is easy to support. Background Art

[0002] The grate bar is the main vulnerable part on the sintering machine trolley, which is generally cast with heat-resistant and wear-resistant alloy. Several rows of closely adjacent grate bars are generally arranged at the bottom of the sintering machine trolley, and there are gaps between the sides of each grate bar for negative pressure exhaust sintering of the sintering material.

[0003] The inventor discovered the following defects during the operation of the specific embodiment:

[0004] At present, the grate bars are installed as a whole at the bottom of the sintering furnace. The grate bars are fragile and need to be replaced frequently. However, the overall grate bars are not only too large in size, but also the damage of the grate bars in each part is different. The overall replacement is not only time-consuming and labor-intensive, but also causes excessive waste.

[0005] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Utility Model Content

[0006] 1. Technical problems to be solved by the utility model:

[0007] The utility model provides a grate bar that is easy to support, so as to solve the technical problems existing in the above-mentioned background technology.

[0008] 2. Technical solution:

[0009] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: a grate bar that is easy to support, including a support column, the support column is symmetrically arranged, and a plurality of grate bar bodies arranged in sequence are provided on the top wall of the support column, and the grate bar body is inserted into the support column for installation; an installation groove is provided on the inner side of the grate bar body, and two grate bar upper cross beams are provided on the inner side of the installation groove, and limiting components are provided at both ends of the two grate bar upper cross beams; grate bar lower support parts are provided under the two grate bar upper cross beams, and the upper surface of the upper end of the grate bar lower support part is detachably installed with the grate bar body, and the upper surface of the lower end of the grate bar lower support part is positioned and connected with the support column.

[0010] Furthermore, slots are provided at both ends of the two grate upper cross beams, blocks are inserted into the inner sides of the slots, and the outer end faces of the blocks are connected to limit plates. Multiple threaded holes are provided on one side of the two grate upper cross beams close to the slots, and small holes are provided at the four corners on the inner side of the limit plates. Bolts are passed transversely through the inner sides of the small holes, and the bolts are threadedly connected to the threaded holes.

[0011] Furthermore, upper connecting blocks are symmetrically connected to the lower parts of both sides of the grate body, and lower connecting blocks are connected to the upper parts of one side of the two lower supporting parts of the grate bars. Circular holes are opened in the upper connecting blocks corresponding to the positions of the lower connecting blocks, and screws are passed through the inside of the circular holes from top to bottom. Anti-slip gaskets, anti-slip washers and anti-slip nuts are sleeved from bottom to top, and the anti-slip nuts are threadedly matched with the screws.

[0012] Furthermore, a plurality of grooves are provided at the bottom of the support column, an L-shaped movable plate is laterally slidably disposed inside the groove, one side of the L-shaped movable plate is connected to the inner wall of the groove via a plurality of springs, and horizontal grooves are provided at corresponding positions of the two lower support parts of the grate bars, and the L-shaped movable plate is laterally limited to the inner side of the horizontal groove.

[0013] 3. Beneficial effects:

[0014] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0015] The utility model has a reasonable design, and utilizes the arrangement of the grate bar body on the support column to realize the support of the grate bar body as a whole under the action of the support column, so that the grate bar body is more stable during use;

[0016] Through the cooperation between the slots, threaded holes, inserts, limit plates, small holes and bolts, the two upper cross beams of the grates can be set independently. When in use, the two upper cross beams of the grates can be limited and connected together. Through the coordinated setting of the grooves, L-shaped movable plates, springs and lower connecting blocks, the lower support part of the grates can be positioned first when being installed, which is convenient for operation. With the setting of the upper connecting block, the lower connecting block, screws, anti-slip gaskets, anti-slip washers and anti-slip nuts, the two lower support parts of the grates can be connected to the two upper cross beams of the grates, so that the two upper cross beams of the grates and parts of the two lower support parts of the grates can be disassembled and replaced separately, which not only saves time and effort, but also saves the use of resources and reduces the use cost.

[0017] It should be noted that the structures not introduced in the present invention are not related to the design points and improvement directions of the present invention, and are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the connection between the upper crossbeam of the grate bar and the grate bar body of the utility model;

[0020] Figure 3 It is a schematic diagram of the connection structure between the grate bar lower support part and the grate bar body of the utility model;

[0021] Figure 4 This is a schematic diagram of the local structure of the bottom surface of the support column of the utility model;

[0022] Figure 5 For the utility model Figure 3 Schematic diagram of the enlarged structure of part A.

[0023] Reference numerals:

[0024] 1. Support column; 101. Groove; 2. Grate body; 201. Upper connecting block; 3. Grate upper crossbeam; 301. Slot; 302. Threaded hole; 4. Grate lower support; 401. Lower connecting block; 402. Horizontal groove; 5. Insert block; 6. Limit plate; 601. Small hole; 7. Bolt; 8. Screw; 9. Anti-skid gasket; 10. Anti-skid washer; 11. Anti-skid nut; 12. L-shaped movable plate; 13. Spring. DETAILED DESCRIPTION

[0025] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] 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.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" 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 the present invention can be understood according to specific circumstances. Example

[0029] See attached Figure 1-5 A grate bar that is easy to support comprises a support column 1, which is symmetrically arranged. A plurality of grate bodies 2 arranged in sequence are provided on the top wall of the support column 1, and the grate body 2 is inserted into the support column 1 for installation; an installation groove is provided on the inner side of the grate body 2, and two grate upper cross beams 3 are provided on the inner side of the installation groove, and both ends of the two grate upper cross beams 3 are provided with limit assemblies; grate lower support parts 4 are provided below the two grate upper cross beams 3, and the upper surface of the upper end of the grate lower support part 4 is detachably installed with the grate body 2, and the upper surface of the lower end of the grate lower support part 4 is positioned and connected with the support column 1.

[0030] In this embodiment, slots 301 are provided at both ends of the two grate upper cross beams 3, and an insert block 5 is inserted into the inner side of the slot 301. The outer end surface of the insert block 5 is connected to a limiting plate 6. A plurality of threaded holes 302 are provided on the side of the two grate upper cross beams 3 close to the slot 301. Small holes 601 are provided at the four corners on the inner side of the limiting plate 6. Bolts 7 are transversely passed through the inner side of the small hole 601, and the bolts 7 are threadedly connected to the threaded hole 302.

[0031] It should be noted that the two grate upper cross beams 3 are installed inside the grate body 2, and the plug block 5 is inserted into the slot 301, so that the two grate upper cross beams 3 are tightly connected together, and the plug block 5 is fixed inside the slot 301 through the threaded connection between multiple bolts 7 and the threaded holes 302, thereby realizing the installation of the grate upper cross beam 3 inside the grate body 2.

[0032] In this embodiment, upper connecting blocks 201 are symmetrically connected to the lower parts of both sides of the grate body 2, and lower connecting blocks 401 are connected to the upper parts of one side of the two grate lower support parts 4. A circular hole is opened in the upper connecting block 201 corresponding to the position of the lower connecting block 401, and a screw 8 passes through the inside of the circular hole from top to bottom. The screw 8 is covered with an anti-slip gasket 9, an anti-slip washer 10 and an anti-slip nut 11 from bottom to top, and the anti-slip nut 11 is threadedly matched with the screw 8.

[0033] It should be noted that the waist of the grate lower support part 4 wraps the support column 1, the upper surface of the upper end of the grate lower support part 4 corresponds to the grate upper crossbeam 3, the lower connecting block 401 is fitted together with the upper connecting block 201, the screw 8 is passed through the round hole from top to bottom, and then the anti-slip gasket 9, anti-slip washer 10 and anti-slip nut 11 are put on the screw 8 from top to bottom, and the screw 8 and the anti-slip nut 11 are tightened with tools such as wrenches, so that the installation between the grate lower support part 4 and the grate upper crossbeam 3 is stable and easy to disassemble, and multiple parts can be disassembled and replaced independently.

[0034] In this embodiment, a plurality of grooves 101 are provided at the bottom of the support column 1, and an L-shaped movable plate 12 is laterally slidably disposed inside the groove 101. One side of the L-shaped movable plate 12 is connected to the inner wall of the groove 101 through a plurality of springs 13. Horizontal grooves 402 are provided at corresponding positions of the two grate bar lower support portions 4, and the L-shaped movable plate 12 is laterally limited to the inner side of the horizontal groove 402.

[0035] It should be noted that the upper surface of the lower end of the grate lower support portion 4 is fitted with the lower surface of the support column 1, and the L-shaped movable plate 12 is located on the inner side of the groove 101 through the extrusion deformation of the spring 13. When the two grate lower support portions 4 are fitted together and pressed against the lower surface of the support column 1, the elastic force of the spring 13 is used to restore the L-shaped movable plate 12 to slide horizontally on the inner side of the groove 101, so that the horizontal plate of the L-shaped movable plate 12 is inserted into the interior of the horizontal groove 402, thereby realizing the positioning of the two grate lower support portions 4.

[0036] It should be noted that the stability of the connection can be improved.

[0037] The working principle of the utility model is as follows: the grate body 2 is arranged and installed on the support column 1 in sequence, the grate body 2 is inserted into the inner side of the support column 1, and then the two grate upper cross beams 3 are installed inside the grate body 2, and the plug block 5 is inserted into the inside of the slot 301, so that the two grate upper cross beams 3 are tightly connected together, and the plug block 5 is fixed inside the slot 301 through the threaded connection between multiple bolts 7 and the threaded holes 302, thereby realizing the installation of the grate upper cross beam 3 inside the grate body 2, and at the same time, the waist of the grate lower support part 4 wraps the support column 1, and the upper surface of the upper end of the grate lower support part 4 is correspondingly fitted with the grate upper cross beam 3, and the upper surface of the lower end of the grate lower support part 4 is fitted with the lower surface of the support column 1, and the spring 13 is squeezed and deformed to make L The L-shaped movable plate 12 is located on the inner side of the groove 101. When the two grate lower support parts 4 are fitted together and pressed against the lower surface of the support column 1, the elastic force of the spring 13 is used to restore the L-shaped movable plate 12 to slide horizontally on the inner side of the groove 101, so that the transverse plate of the L-shaped movable plate 12 is inserted into the interior of the horizontal groove 402 to realize the positioning of the two grate lower support parts 4. At this time, the lower connecting block 401 is fitted together with the upper connecting block 201, and the screw 8 is passed through the round hole from top to bottom, and then the anti-skid gasket 9, anti-skid washer 10 and anti-skid nut 11 are put on the screw 8 from top to bottom, and the screw 8 and the anti-skid nut 11 are tightened by tools such as wrenches, so that the installation between the grate lower support part 4 and the grate upper crossbeam 3 is stable and easy to disassemble, and multiple parts can be disassembled and replaced independently.

[0038] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A grate bar that is easy to support, characterized in that: The invention comprises a support column (1), wherein the support column (1) is symmetrically arranged, and a plurality of grate bar bodies (2) arranged in sequence are provided on the top wall of the support column (1), and the grate bar bodies (2) are plugged into the support column (1) for installation; an installation groove is provided on the inner side of the grate bar body (2), and two grate bar upper cross beams (3) are provided on the inner side of the installation groove, and both ends of the two grate bar upper cross beams (3) are provided with limit assemblies; and a grate bar lower support part (4) is provided below the two grate bar upper cross beams (3), and the upper surface of the upper end of the grate bar lower support part (4) is detachably installed with the grate bar body (2), and the upper surface of the lower end of the grate bar lower support part (4) is positioned and connected with the support column (1).

2. A grate bar that is easy to support according to claim 1, characterized in that: Both ends of the two grate upper cross beams (3) are provided with slots (301), the inner side of the slots (301) is plugged with an insert block (5), the outer end surface of the insert block (5) is connected to a limit plate (6), a plurality of threaded holes (302) are provided on one side of the two grate upper cross beams (3) close to the slots (301), the inner side of the limit plate (6) is provided with small holes (601) at four corners, the inner side of the small hole (601) is penetrated by a bolt (7) transversely, and the bolt (7) is threadedly connected to the threaded hole (302).

3. A grate bar that is easy to support according to claim 2, characterized in that: The lower parts of both sides of the grate body (2) are symmetrically connected with upper connecting blocks (201), and the upper parts of one side of the two grate lower supporting parts (4) are connected with lower connecting blocks (401). The upper connecting blocks (201) are provided with circular holes at positions corresponding to the lower connecting blocks (401), and screws (8) are passed through the inner sides of the circular holes from top to bottom. The screws (8) are sleeved with anti-skid pads (9), anti-skid washers (10) and anti-skid nuts (11) from bottom to top, and the anti-skid nuts (11) are threadedly matched with the screws (8).

4. A grate bar that is easy to support according to claim 3, characterized in that: The support column (1) is provided with a plurality of grooves (101) at the bottom, an L-shaped movable plate (12) is slidably disposed inside the groove (101), one side of the L-shaped movable plate (12) is connected to the inner wall of the groove (101) via a plurality of springs (13), and horizontal grooves (402) are provided at corresponding positions of the two grate bar lower support portions (4), and the L-shaped movable plate (12) is laterally limited inside the horizontal grooves (402).