Expansion compensation device
By designing an expansion compensation device including an adaptive ash shading assembly, the problems of ash leakage, loose grate sheets and expansion between the grate stoves are solved, and the adaptive compression of the adaptive ash shading and grate sheets are realized.
Patent Information
- Application Number
- CN202420591472.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The existing expansion compensation device cannot effectively solve the problems of ash leakage between the grate, loose grate sheets, and the gaps that become larger and cannot be compressed again, and the expansion between the grates but cannot be adapted.
An expansion compensation device including a frame and an adaptive dust cover assembly is designed, which consists of a left compensation block, a right compensation block, a scissor fork, a scissor fork pin shaft, a scissor fork sleeve, a guide rod, a large washer, a disc spring, a guide rod spacer, a first washer, a nut and an opening pin, and adaptive fit and compression are achieved through the relative movement of these components.
The device can adaptively shield the ash, avoid the ash residue according to the expansion of the grate, solve the problem of ash leakage, and realize the adaptive compression of the grate sheet by compressing the disc spring, solving the problem of loose grate sheets resulting in larger gaps.
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Figure CN222836886U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of combustion equipment, in particular to an expansion compensation device. Background Art
[0002] The expansion compensation device of the grate furnace is located between the two rows of grate furnaces. Since the temperature of the grate furnace is very high when it is working, the grate plates on the surface of the grate furnace will expand after being heated, and then get stuck and cannot move normally.
[0003] Among the grate furnace equipment in the waste incineration industry, the grate furnace equipment in the waste incineration industry has the characteristics of heavy load, complex movement and harsh working environment. The temperature of the grate furnace is very high when it is working. The grate plates on the surface of the grate furnace will expand after being heated, and then get stuck and cannot move normally. The use of this expansion compensation device can make the grate plates always fit tightly without gaps, and will not be stuck, which can offset the expansion and facilitate disassembly. The current device has the following shortcomings:
[0004] 1. The device cannot be pressed tightly now, and there is a gap between the grates on the left and right rows, causing ash leakage;
[0005] 2. The device cannot be adjusted flexibly now, and the grates on the left and right rows of grates cannot be tightened again after being loosened;
[0006] 3. The current device is not elastic, and the grates on the left and right rows of grates have no expansion space and are easily damaged. Utility Model Content
[0007] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an expansion compensation device capable of solving the problems of ash leakage between two rows of grates, loose grate plates on the grates causing the gaps to become larger and unable to be tightened again, expansion between the grates and the inability to adapt to the expansion.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an expansion compensation device, comprising a frame;
[0009] An adaptive dust shielding component is arranged on the frame, and the dust shielding component includes a left compensation block, a right compensation block, a scissor fork, a scissor fork pin shaft, a scissor fork sleeve, a guide rod, a large washer, a disc spring, a guide rod spacer, a first washer, and a nut. The large washer contacts the surface of the frame, the scissor fork sleeve is welded on the guide rod, the scissor fork sleeve is sleeved on the surface of the scissor fork pin shaft, and a plurality of scissor forks are sleeved on the surface of the scissor fork pin shaft, one end of the plurality of scissor forks are all in contact with the left compensation block, and the other end of the plurality of scissor forks are all in contact with the right compensation block;
[0010] Two pin holes are arranged on the surface of the scissor fork pin shaft, and second washers are arranged at both ends of the scissor fork pin shaft.
[0011] Preferably, the two second washers are fixedly sleeved on the two ends of the scissors fork pin shaft by corresponding cotter pins, and the two cotter pins are respectively inserted into the pin holes at the two ends of the scissors fork pin shaft.
[0012] Preferably, the large washer is sleeved on the surface of the guide rod, and the surface of the large washer is in contact with the surface of the frame.
[0013] Preferably, the disc spring is sleeved on the surface of the guide rod, and the surface of the disc spring is in contact with the surface of the large washer.
[0014] Preferably, the guide rod spacer is sleeved on the surface of the guide rod, and the surface of the guide rod spacer is in contact with the surface of the disc spring.
[0015] Preferably, the first washer is sleeved on the surface of the guide rod, and the surface of the first washer is in contact with the surface of the guide rod spacer.
[0016] Preferably, the surface of the guide rod is threadedly connected to the inner surface of the nut, and the surface of the nut is in contact with the surface of the first washer.
[0017] Preferably, a left row of grates is arranged outside the frame, a right row of grates is arranged outside the frame, the frame is installed between the left row of grates and the right row of grates, the surface of the left compensation block contacts the surface of the left row of grates, and the surface of the right compensation block contacts the surface of the right row of grates.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] (1) The expansion compensation device, by setting a left compensation block and a right compensation block in the ash shielding assembly, can adaptively move and fit on the surface of the corresponding left and right grates when the left and right grates move relative to each other, so as to adaptively shield the ash, so that it can adaptively avoid ash residue according to the expansion of the left and right grates, thereby solving Problems 1 and 3 mentioned in the background technology.
[0020] (2) The expansion compensation device is provided with a disc spring in a compressed state. When there is a gap between the left compensation block and the right compensation block and the corresponding left grate and the right grate, the left compensation block and the right compensation block can adaptively move to fit with the corresponding left grate and the right grate. When the grate plates on the surface of the left grate and the right grate become loose and the gap between the left grate and the right grate becomes larger, the left compensation block and the right compensation block can adaptively move to drive the grate plates on the corresponding left grate and the right grate to move and tighten, thereby solving the problem 2 mentioned in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0022] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 It is a schematic diagram of the overall side of the utility model;
[0024] Figure 3 This is a schematic diagram of the position relationship between the grate and the corresponding compensation block of the utility model.
[0025] Figure numerals: 1. left compensation block; 2. right compensation block; 3. scissors fork; 4. scissors fork pin shaft; 5. scissors fork sleeve; 6. guide rod; 7. large washer; 8. disc spring; 9. guide rod spacer; 10. first washer; 11. nut; 12. cotter pin; 13. second washer; 14. left row grate; 15. right row grate; 16. frame. DETAILED DESCRIPTION
[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are 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 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.
[0028] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0030] See also Figure 1-3 , the utility model provides a technical solution: an expansion compensation device, including a frame 16;
[0031] An adaptive dust shielding component is arranged on the frame 16, and the dust shielding component includes a left compensation block 1, a right compensation block 2, a scissor fork 3, a scissor fork pin shaft 4, a scissor fork sleeve 5, a guide rod 6, a large washer 7, a disc spring 8, a guide rod spacer 9, a first washer 10, and a nut 11. The large washer 7 contacts the surface of the frame 16, the scissor fork sleeve 5 is welded on the guide rod 6, the scissor fork sleeve 5 is sleeved on the surface of the scissor fork pin shaft 4, and a plurality of scissor forks 3 are sleeved on the surface of the scissor fork pin shaft 4, and one end of the plurality of scissor forks 3 contacts the left compensation block 1, and the other end of the plurality of scissor forks 3 contacts the right compensation block 2;
[0032] Two pin holes are formed on the surface of the scissor fork pin shaft 4 , and second washers 13 are disposed at both ends of the scissor fork pin shaft 4 .
[0033] The two second washers 13 are respectively fixedly sleeved on the two ends of the scissor fork pin shaft 4 by corresponding cotter pins 12, and the two cotter pins 12 are respectively inserted into the pin holes at the two ends of the scissor fork pin shaft 4.
[0034] The large washer 7 is sleeved on the surface of the guide rod 6 , and the surface of the large washer 7 is in contact with the surface of the frame body 16 .
[0035] The disc spring 8 is sleeved on the surface of the guide rod 6 , and the surface of the disc spring 8 is in contact with the surface of the large washer 7 .
[0036] The guide rod spacer 9 is sleeved on the surface of the guide rod 6 , and the surface of the guide rod spacer 9 is in contact with the surface of the disc spring 8 .
[0037] The first washer 10 is sleeved on the surface of the guide rod 6 , and the surface of the first washer 10 is in contact with the surface of the guide rod spacer 9 .
[0038] The surface of the guide rod 6 is threadedly connected to the inner surface of the nut 11 , and the surface of the nut 11 is in contact with the surface of the first washer 10 .
[0039] A left row of grates 14 is arranged outside the frame 16, and a right row of grates 15 is arranged outside the frame 16. The frame 16 is installed between the left row of grates 14 and the right row of grates 15. The surface of the left compensation block 1 contacts the surface of the left row of grates 14, and the surface of the right compensation block 2 contacts the surface of the right row of grates 15.
[0040] It should be noted that the initial state of the disc spring 8 is a compressed state.
[0041] When the gap between the left grate 14 and the right grate 15 becomes smaller, the left grate 14 and the right grate 15 drive the corresponding left compensation block 1 and the right compensation block 2 to move relative to each other, and the relative movement of the left compensation block 1 and the right compensation block 2 drives the corresponding scissors fork 3 to move, and the movement of the scissors fork 3 drives the scissors fork pin shaft 4 to move upward, and the upward movement of the scissors fork pin shaft 4 drives the scissors fork sleeve 5 to move upward, and the upward movement of the scissors fork sleeve 5 drives the guide rod 6 to move upward, and the upward movement of the guide rod 6 drives the corresponding nut 11 to move upward, and the upward movement of the nut 11 drives the disc spring 8 to be compressed.
[0042] Similarly, when the gap between the left row of grates 14 and the right row of grates 15 becomes larger, the scissor fork 3 moves, and the movement of the scissor fork 3 drives the guide rod 6 to move downward, and the disc spring 8 is reset.
[0043] By providing the left compensation block 1 and the right compensation block 2 in the ash shielding assembly, when the left grate 14 and the right grate 15 move relative to each other, the compensation blocks can be adaptively moved and fitted onto the surfaces of the corresponding left grate 14 and the right grate 15, so as to adaptively shield the ash, and enable the blocks to adaptively follow the expansion of the left grate 14 and the right grate 15 to avoid ash residue, thereby solving Problems 1 and 3 mentioned in the background technology.
[0044] By setting the disc spring 8 in a compressed state, when there is a gap between the left compensation block 1 and the right compensation block 2 and the corresponding left grate 14 and right grate 15, they can adaptively move to fit with the corresponding left grate 14 and right grate 15, so that the grate plates on the surface of the left grate 14 and the right grate 15 become loose and the gap between the left grate 14 and the right grate 15 becomes larger, and the left compensation block 1 and the right compensation block 2 can adaptively move to drive the grate plates on the corresponding left grate 14 and the right grate 15 to move and tighten, thereby solving the problem 2 mentioned in the background technology.
[0045] Working principle: when the gap between the left grate 14 and the right grate 15 becomes smaller, the left grate 14 and the right grate 15 drive the corresponding left compensation block 1 and the right compensation block 2 to move relative to each other, the left compensation block 1 and the right compensation block 2 drive the corresponding scissors fork 3 to move, the scissors fork 3 drives the scissors fork pin shaft 4 to move upward, the scissors fork pin shaft 4 drives the scissors fork sleeve 5 to move upward, the scissors fork sleeve 5 drives the guide rod 6 to move upward, the guide rod 6 drives the corresponding nut 11 to move upward, and the nut 11 drives the disc spring 8 to be compressed.
[0046] Similarly, when the gap between the left row of grates 14 and the right row of grates 15 becomes larger, the scissor fork 3 moves, and the scissor fork 3 drives the guide rod 6 to move downward, and the disc spring 8 is reset.
[0047] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. An expansion compensation device, characterized in that: include: Frame (16); An adaptive dust shielding component is arranged on a frame (16), and the dust shielding component comprises a left compensation block (1), a right compensation block (2), a scissor fork (3), a scissor fork pin shaft (4), a scissor fork sleeve (5), a guide rod (6), a large washer (7), a disc spring (8), a guide rod spacer (9), a first washer (10), and a nut (11). The large washer (7) contacts the surface of the frame (16), the scissor fork sleeve (5) is welded on the guide rod (6), the scissor fork sleeve (5) is sleeved on the surface of the scissor fork pin shaft (4), and a plurality of scissor forks (3) are sleeved on the surface of the scissor fork pin shaft (4). One end of the plurality of scissor forks (3) contacts the left compensation block (1), and the other end of the plurality of scissor forks (3) contacts the right compensation block (2). Two pin holes are provided on the surface of the scissor fork pin shaft (4), and second washers (13) are provided at both ends of the scissor fork pin shaft (4).
2. An expansion compensation device according to claim 1, characterized in that: The two second washers (13) are respectively fixedly sleeved on the two ends of the scissor fork pin shaft (4) by corresponding split pins (12), and the two split pins (12) are respectively inserted into the pin holes at the two ends of the scissor fork pin shaft (4).
3. An expansion compensation device according to claim 1, characterized in that: The large washer (7) is sleeved on the surface of the guide rod (6), and the surface of the large washer (7) is in contact with the surface of the frame (16).
4. An expansion compensation device according to claim 3, characterized in that: The disc spring (8) is sleeved on the surface of the guide rod (6), and the surface of the disc spring (8) is in contact with the surface of the large washer (7).
5. An expansion compensation device according to claim 4, characterized in that: The guide rod spacer (9) is sleeved on the surface of the guide rod (6), and the surface of the guide rod spacer (9) is in contact with the surface of the disc spring (8).
6. An expansion compensation device according to claim 5, characterized in that: The first washer (10) is sleeved on the surface of the guide rod (6), and the surface of the first washer (10) is in contact with the surface of the guide rod spacer (9).
7. An expansion compensation device according to claim 6, characterized in that: The surface of the guide rod (6) is threadedly connected to the inner surface of the nut (11), and the surface of the nut (11) is in contact with the surface of the first washer (10).
8. An expansion compensation device according to claim 1, characterized in that: The frame (16) is provided with a left row of grates (14) on the outside, and a right row of grates (15) on the outside. The frame (16) is installed between the left row of grates (14) and the right row of grates (15). The surface of the left compensation block (1) contacts the surface of the left row of grates (14), and the surface of the right compensation block (2) contacts the surface of the right row of grates (15).