High-temperature expansion joint fish scale guide plate device
By adopting a "Z"-shaped guide plate and sliding block design in the high-temperature expansion joint guide plate device, the position deviation problem caused by thermal expansion and contraction is solved, and the risk of damage to non-metallic skin is reduced.
Patent Information
- Application Number
- CN202420470217.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-11
AI Technical Summary
After a long time of use, the existing high-temperature expansion joint deflector device has deviated the support plate position due to thermal expansion and contraction, and the non-metallic skin is easily pulled and cracked, causing damage.
A high-temperature expansion joint fish scale guide plate device is designed. The guide plate adopts a "Z"-shaped arrangement, including a sliding block and a sliding groove. The sliding block is slidably connected to the sliding groove in the circumference of the guide plate, filling the cotton layer in the gap to reduce displacement and dust entry.
Through the design of the sliding block and the sliding groove, the position deviation of the guide plate is avoided, and the possibility of non-metallic skin being affected by irregular external forces is reduced, thereby reducing the risk of skin damage.
Smart Images
Figure CN222559494U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of expansion joints, and in particular to a fish scale guide plate device for a high-temperature expansion joint. Background Art
[0002] The expansion joint is a flexible structure installed on the pipeline to compensate for the additional stress caused by temperature difference and mechanical vibration.
[0003] Reference Figure 1 and Figure 2 In the prior art, the guide plate device of the non-metallic expansion joint includes a plurality of support plates 1, which are sequentially distributed on the inner wall of the expansion joint along the circumference of the expansion joint. The support plates 1 include a covering plate 2, an inclined plate 3, and a fixed plate 4. The support plates 1 are "Z-shaped", and the fixed plates 4 of two adjacent support plates 1 are located on the side of the covering plate 2 away from the inner wall of the expansion joint. A first gap of 5 mm is set between the fixed plates 4 and the covering plates 2 of two adjacent support plates 1, and a second gap of 5 mm is set between the covering plates 2 and the inclined plates 3 of two adjacent support plates 1, and the first gap and the second gap are both filled with ceramic fiber wool with a temperature resistance of 1200°C.
[0004] With regard to the above-mentioned related technologies, the support plates will deform and twist after being heated. After long-term use, due to countless random deformations caused by thermal expansion and contraction, the positions of the support plates will be randomly shifted and deformed, which may easily cause the non-metallic skin to be torn under the action of external forces in irregular directions and cause damage to the non-metallic skin. Utility Model Content
[0005] In order to reduce the position deviation of the guide plate and to avoid the non-metallic skin from being damaged by external forces in irregular directions, the present application provides a high-temperature expansion joint fish scale guide plate device.
[0006] The present application provides a high-temperature expansion joint fish scale guide plate device adopts the following technical solution:
[0007] A fish scale guide plate device for a high-temperature expansion joint comprises a plurality of guide plates, wherein the plurality of guide plates are used to be connected to the inner wall of the expansion joint, and the plurality of guide plates are sequentially distributed on the inner wall of the expansion joint along the circumference of the expansion joint, the guide plates comprise a first plate, a connecting plate, and a second plate, the guide plates are arranged in a "Z" shape, a sliding groove is provided on the side of the second plate close to the inner wall of the expansion joint, and the length direction of the sliding groove is consistent with the length direction of the second plate, a sliding block is connected to the side of the first plate away from the inner wall of the expansion joint, and the length direction of the sliding block is consistent with the length direction of the first plate, the sliding blocks of two adjacent guide plates are embedded in the sliding groove, and the sliding block is slidably connected to the sliding groove along the length direction of the first plate, a first expansion gap is formed between the inner wall of the sliding groove and the sliding block, and a filling cotton layer is provided in the first expansion gap.
[0008] By adopting the above technical solution, when the guide plate is deformed by heat and expands along the circumferential direction of the expansion joint, the sliding block slides along the circumferential direction of the expansion joint and is connected in the sliding groove, thereby avoiding position deviation of two adjacent guide plates as much as possible, reducing the non-metallic skin from being subjected to external forces in irregular directions, and reducing damage to the non-metallic skin.
[0009] Optionally, the side walls opposite to the sliding groove are provided with limiting grooves, the length direction of the limiting grooves is consistent with the length direction of the first plate, the sliding block is connected to limiting blocks on both sides along the length direction of the expansion joint, and the limiting blocks are slidably connected in the limiting grooves along the length direction of the first plate.
[0010] By adopting the above technical solution, when the sliding block is slidably connected in the sliding groove along the length direction of the first plate, the limit block is slidably connected in the limit groove along the length direction of the first plate, so as to minimize the displacement of two adjacent guide plates when the guide plate expands along the radial direction of the guide plate thickness.
[0011] Optionally, the limiting block and the inner wall of the limiting groove are spaced to form a second expansion gap, the second expansion gap is connected to the first expansion gap, the second expansion gap is also provided with a filling cotton layer, and the filling cotton layer provided in the first expansion gap is connected to the filling cotton layer provided in the second expansion gap.
[0012] By adopting the above technical solution, a second expansion gap is provided to reserve space for the expansion of the limit block when heated, and a filling cotton layer is added to prevent dust from entering the limit groove as much as possible.
[0013] Optionally, one end of the sliding block away from the connecting plate is connected to a contact block, the contact block is inclined, and the other end of the contact block is in contact with the filling cotton layer.
[0014] By adopting the above technical solution, the abutment block is pressed tightly against the filling cotton layer, so that the filling cotton layer is stably connected to the guide plate.
[0015] Optionally, the end of the abutment block away from the sliding block is arranged as an arc-shaped surface, and the convex arc surface of the arc-shaped surface is arranged toward the filling cotton layer.
[0016] By adopting the above technical solution, the arc-shaped surface at one end of the abutment block can avoid damage to the filling cotton layer when the abutment block moves.
[0017] Optionally, the second plate and the connecting plate of two adjacent guide plates are spaced apart to form a third expansion gap, and a filling cotton layer is also provided in the third expansion gap. The filling cotton layer in the third expansion gap is located in the same plane as the side of the first plate away from the inner wall of the expansion joint, and the third expansion gap is connected to the first expansion gap, and the filling cotton layer in the third expansion gap is connected to the filling cotton layer in the first expansion gap.
[0018] By adopting the above technical solution, a filling cotton layer is added to avoid fine ash from entering the third expansion gap as much as possible, and one side of the filling cotton layer and one side of the first plate are located in the same plane, thereby further reducing the accumulation of fine ash in the gap between the filling cotton layer and the connecting plate.
[0019] Optionally, a groove is provided on a side of the filling cotton layer close to the abutment block, and an end of the abutment block away from the sliding block is embedded in the groove.
[0020] By adopting the above technical solution, when the sliding block slides along the length direction of the first plate and is connected to the sliding groove, the abutment block moves with the sliding block, and the abutment block drives the filling cotton layer to move, so as to avoid as much as possible the situation where when the guide plate shrinks due to cold, a gap is generated between the filling cotton layer and the connecting plate, thereby causing fine ash to enter.
[0021] Optionally, it also includes a mounting plate, which is set in an "L" shape. There are four mounting plates, and the four mounting plates are respectively located at the four corners of the expansion joint. Both ends of the mounting plate are respectively connected to two guide plates. One end of the mounting plate is embedded in the sliding groove, and the other end of the mounting plate is provided with a connecting groove for the sliding block and the limit block to be embedded. The sliding block and the limit block close to the mounting plate are slidably connected in the connecting groove along the length direction of the first plate. The second plate close to the mounting plate is spaced from the mounting plate to form a fourth expansion gap. The fourth expansion gap is also provided with a filling cotton layer, and the filling cotton layer arranged in the fourth expansion gap is connected with a flexible sheet, and the other end of the flexible sheet is connected to the end of the mounting plate away from the fourth expansion gap.
[0022] By adopting the above technical solution and adding a flexible sheet, it is possible to further reduce the risk of the fourth particle entering the fourth expansion gap.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. When the guide plate is deformed by heat and expands along the circumference of the expansion joint, the sliding block slides along the circumference of the expansion joint and connects to the sliding groove, so as to avoid the position deviation of two adjacent guide plates as much as possible, reduce the external force in irregular directions on the non-metallic skin, and reduce the damage to the non-metallic skin;
[0025] 2. When the sliding block is slidably connected to the sliding groove along the length direction of the first plate, the limiting block is slidably connected to the limiting groove along the length direction of the first plate, so as to avoid displacement of two adjacent guide plates when the guide plate expands along the diameter and thickness direction of the guide plate;
[0026] 3. Add a filling cotton layer to prevent fine ash from entering the third expansion gap as much as possible, and one side of the filling cotton layer and one side of the first plate are located in the same plane to further reduce the accumulation of fine ash in the gap between the filling cotton layer and the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a structural schematic diagram of the prior art.
[0028] Figure 2 It is a cross-sectional view of the prior art, used to show the support plate.
[0029] Figure 3 It is a schematic diagram of the structure of this embodiment.
[0030] Figure 4 It is a cross-sectional view of this embodiment, used to show the guide plate and the mounting plate.
[0031] Figure 5 This is a cross-sectional view of the present embodiment with the filling cotton layer hidden, and is used to show the slider and the sliding groove.
[0032] Figure 6 It is a cross-sectional view of this embodiment, used to show the limiting block and the limiting groove.
[0033] Figure 7 This embodiment Figure 4 Enlarged view of part A.
[0034] Explanation of the accompanying drawings: 1. Support plate; 2. Cover plate; 3. Inclined plate; 4. Fixed plate; 100. Guide plate; 110. Fifth expansion gap; 200. First plate; 210. Sliding block; 220. Limiting block; 230. Abutting block; 300. Connecting plate; 400. Second plate; 410. Sliding groove; 420. First expansion gap; 430. Limiting groove; 440. Second expansion gap; 450. Third expansion gap; 500. Mounting plate; 510. Fixed block; 520. Connecting groove; 530. Fourth expansion gap; 600. Filling cotton layer; 610. Groove; 620. Flexible sheet. DETAILED DESCRIPTION
[0035] The following is combined with Figure 3-7 This application is described in further detail.
[0036] The present application embodiment discloses a high temperature expansion joint fish scale guide plate device. Figure 3 and Figure 4, a high-temperature expansion joint fish scale guide plate device includes a guide plate 100 and a mounting plate 500, and the guide plate 100 and the mounting plate 500 are connected to the inner wall of the expansion joint through steel nails. There are a plurality of guide plates 100, and the plurality of guide plates 100 are sequentially distributed on the inner wall of the expansion joint along the circumference of the expansion joint. The guide plate 100 includes a first plate 200, a connecting plate 300, and a second plate 400. The length direction of the first plate 200 is consistent with the horizontal direction, and the length directions of the first plate 200 and the second plate 400 are consistent. The two ends of the connecting plate 300 are respectively connected to one end of the first plate 200 and one end of the second plate 400, and the guide plate 100 is arranged in a "Z" shape. The second plate 400 of two adjacent guide plates 100 is located on the side of the first plate 200 away from the inner wall of the expansion joint. The mounting plate 500 is arranged in an "L" shape, and there are four mounting plates 500. The four mounting plates 500 are respectively arranged at the four corners of the expansion joint, and the two ends of a mounting plate 500 are respectively connected to two guide plates 100. One end of the mounting plate 500 is connected to the first plate 200 of one guide plate 100 , and the other end of the mounting plate 500 is connected to the second plate 400 of one guide plate 100 .
[0037] Reference Figure 4 and Figure 5 A sliding block 210 is connected to the side of the first plate 200 away from the inner wall of the expansion joint, and the length direction of the sliding block 210 is consistent with the length direction of the first plate 200. A sliding groove 410 for the sliding block 210 to be embedded is opened on the side of the second plate 400 close to the inner wall of the expansion joint, and the length direction of the sliding groove 410 is consistent with the length direction of the second plate 400. The sliding blocks 210 of two adjacent guide plates 100 are slidably connected in the sliding groove 410.
[0038] Reference Figure 5 and Figure 6 The sliding block 210 is slidably connected to the sliding groove 410 along the length direction of the first plate 200. The inner wall of the sliding groove 410 and the sliding block 210 are spaced apart to form a first expansion gap 420. A filling cotton layer 600 is provided in the first expansion gap 420, and the filling cotton is ceramic fiber cotton with a temperature resistance of 1200°C.
[0039] The sliding block 210 and the sliding groove 410 are additionally provided to avoid the position shift of two adjacent guide plates 100 when the guide plates 100 are deformed by heat, thereby reducing the non-metallic skin from being torn by external forces in irregular directions.
[0040] Reference Figure 4 and Figure 6The sliding block 210 is connected to the limiting block 220 on both sides along the length direction of the expansion joint, and the length direction of the limiting block 220 is consistent with the length direction of the sliding block 210. The side walls of the opposite sides of the sliding groove 410 are provided with limiting grooves 430 for the limiting block 220 to be embedded, and the length direction of the limiting groove 430 is consistent with the length direction of the second plate 400. The limiting block 220 is slidably connected in the limiting groove 430 along the length direction of the first plate 200. The limiting block 220 and the inner wall of the limiting groove 430 are spaced to form a second expansion gap 440, and the second expansion gap 440 is connected to the first expansion gap 420, and a filling cotton layer 600 is also provided in the second expansion gap 440, and the filling cotton layer 600 provided in the second expansion gap 440 is connected to the filling cotton layer 600 provided in the first expansion gap 420.
[0041] Reference Figure 4 and Figure 6 , the second plates 400 and the connecting plates 300 of two adjacent guide plates 100 are spaced apart to form a third expansion gap 450, and the third expansion gap 450 is connected to the first expansion gap 420. A filling cotton layer 600 is also provided in the third expansion gap 450, and the filling cotton layer 600 provided in the third expansion gap 450 is connected to the filling cotton layer 600 provided in the first expansion gap 420. The side wall of the filling cotton layer 600 provided in the third expansion gap 450 away from the inner wall of the expansion joint is located in the same plane as the side wall of the first plate 200 away from the inner wall of the expansion joint. The first plates 200 and the connecting plates 300 of two adjacent guide plates 100 are spaced apart to form a fifth expansion gap 110, and the fifth expansion gap 110 is connected to the first expansion gap 420. A filling cotton layer 600 is also provided in the fifth expansion gap 110, and the filling cotton layer 600 provided in the fifth expansion gap 110 is connected to the filling cotton layer 600 provided in the first expansion gap 420.
[0042] Reference Figure 5 and Figure 7 The end of the sliding block 210 away from the connecting plate 300 is connected to the abutting block 230, and the other end of the abutting block 230 is inclined toward the side away from the sliding block. The end of the abutting block 230 away from the sliding block 210 is arranged in an arcuate surface, and the convex arc surface of the arcuate surface is arranged toward the filling cotton layer 600. A groove 610 for the abutting block 230 to be embedded is provided on the side of the filling cotton layer 600 close to the abutting block 230, and the end of the abutting block 230 away from the sliding block 210 is embedded in the groove 610. The additional abutting block 230 allows the filling cotton layer 600 to be stably connected to the first expansion gap 420.
[0043] Reference Figure 4 and Figure 6A fixing block 510 is connected to the side of the mounting plate 500 away from the inner wall of the expansion joint. The fixing block 510 is connected to the end of the mounting plate 500 close to the second plate 400. The fixing block 510 is embedded in the sliding groove 410 close to the mounting plate 500. A connecting groove 520 is provided at the other end of the mounting plate 500. The connecting groove 520 is arranged on the side of the mounting plate 500 close to the inner wall of the expansion joint. The sliding block 210 and the limiting block 220 close to the mounting plate 500 are both embedded in the connecting groove 520. The sliding block 210 and the limiting block 220 of the mounting plate 500 are slidably connected in the connecting groove 520 along the length direction of the first plate 200.
[0044] Reference Figure 4 The second plate 400 near the mounting plate 500 is spaced from the mounting plate 500 to form a fourth expansion gap 530, and the fourth expansion gap 530 is also provided with a filling cotton layer 600. The side wall of the filling cotton layer 600 disposed in the fourth expansion gap 530 away from the inner wall of the expansion joint is located in the same plane as the side wall of the second plate 400 away from the inner wall of the expansion joint. A flexible sheet 620 is connected to one end of the mounting plate 500 away from the second plate 400, and the flexible sheet 620 is connected to the side of the mounting plate 500 away from the inner wall of the expansion joint, and the other end of the flexible sheet 620 is connected to the filling cotton layer 600 disposed in the fourth expansion gap 530. The flexible sheet 620 is added to prevent fine ash from entering the gap between the second plate 400 and the mounting plate 500 as much as possible.
[0045] The implementation principle of a high-temperature expansion joint fish scale guide plate device in an embodiment of the present application is as follows: when the guide plate 100 expands due to heat, the sliding block 210 is slidably connected to the sliding groove 410 along the length direction of the first plate 200, and the abutment block 230 drives the filling surface layer to move; when the guide plate 100 contracts due to cold, the sliding block 210 is slidably connected to the sliding groove 410 along the length direction of the first plate 200, and the abutment block 230 drives the filling cotton layer 600 to move; when the guide plate 100 expands due to heat and contracts due to cold, the sliding block 210 is always located in the sliding groove 410, thereby reducing the position offset of two adjacent guide plates 100 and minimizing damage to the non-metallic skin caused by irregular external forces.
[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A high-temperature expansion joint fish scale guide plate device, comprising a plurality of guide plates (100), wherein the plurality of guide plates (100) are used to be connected to the inner wall of the expansion joint, and the plurality of guide plates (100) are sequentially distributed on the inner wall of the expansion joint along the circumference of the expansion joint, wherein the guide plates (100) comprise a first plate (200), a connecting plate (300), and a second plate (400), and the guide plates (100) are arranged in a "Z" shape, characterized in that: A sliding groove (410) is provided on a side of the second plate (400) close to the inner wall of the expansion joint, and the length direction of the sliding groove (410) is consistent with the length direction of the second plate (400). A sliding block (210) is connected to a side of the first plate (200) away from the inner wall of the expansion joint, and the length direction of the sliding block (210) is consistent with the length direction of the first plate (200). The sliding blocks (210) of two adjacent guide plates (100) are embedded in the sliding groove (410), and the sliding blocks (210) are slidably connected to the sliding groove (410) along the length direction of the first plate (200). The inner wall of the sliding groove (410) and the sliding block (210) are spaced apart to form a first expansion gap (420), and a filling cotton layer (600) is provided in the first expansion gap (420).
2. The high temperature expansion joint fish scale guide plate device according to claim 1, characterized in that: The side walls opposite to the sliding groove (410) are provided with limiting grooves (430), the length direction of the limiting grooves (430) is consistent with the length direction of the first plate (200), the sliding block (210) is connected to limiting blocks (220) on both sides along the length direction of the expansion joint, and the limiting blocks (220) are slidably connected in the limiting grooves (430) along the length direction of the first plate (200).
3. The high temperature expansion joint fish scale guide plate device according to claim 2, characterized in that: The limiting block (220) and the inner wall of the limiting groove (430) are spaced to form a second expansion gap (440), the second expansion gap (440) is communicated with the first expansion gap (420), the second expansion gap (440) is also provided with a filling cotton layer (600), and the filling cotton layer (600) provided in the first expansion gap (420) is connected to the filling cotton layer (600) provided in the second expansion gap (440).
4. The high temperature expansion joint fish scale guide plate device according to claim 1, characterized in that: One end of the sliding block (210) away from the connecting plate (300) is connected to a contact block (230), the contact block (230) is arranged obliquely, and the other end of the contact block (230) is in contact with the filling cotton layer (600).
5. The high temperature expansion joint fish scale guide plate device according to claim 4, characterized in that: One end of the abutment block (230) away from the sliding block (210) is provided with an arc-shaped surface, and the convex arc surface of the arc-shaped surface is provided toward the filling cotton layer (600).
6. The high temperature expansion joint fish scale guide plate device according to claim 1, characterized in that: The second plates (400) of the two adjacent guide plates (100) are spaced apart from the connecting plate (300) to form a third expansion gap (450), a filling cotton layer (600) is also provided in the third expansion gap (450), a side of the filling cotton layer (600) provided in the third expansion gap (450) away from the connecting plate (300) and a side of the first plate (200) away from the inner wall of the expansion joint are located in the same plane, the third expansion gap (450) is communicated with the first expansion gap (420), and the filling cotton layer (600) provided in the third expansion gap (450) is connected to the filling cotton layer (600) provided in the first expansion gap (420).
7. The high temperature expansion joint fish scale guide plate device according to claim 5, characterized in that: A groove (610) is provided on a side of the filling cotton layer (600) close to the abutment block (230), and an end of the abutment block (230) away from the sliding block (210) is embedded in the groove (610).
8. The high temperature expansion joint fish scale guide plate device according to claim 7, characterized in that: The device also includes a mounting plate (500), wherein the mounting plate (500) is arranged in an "L" shape, and four mounting plates (500) are provided, and the four mounting plates (500) are respectively located at four corners of the expansion joint, and the two ends of the mounting plate (500) are respectively connected to two guide plates (100), and one end of the mounting plate (500) is embedded in the sliding groove (410), and the other end of the mounting plate (500) is provided with a connecting groove (520) for the sliding block (210) and the limiting block (220) to be embedded, and the connecting groove (520) is provided near the mounting plate (500). The sliding block (210) and the limiting block (220) are slidably connected in the connecting groove (520) along the length direction of the first plate (200), and the second plate (400) close to the mounting plate (500) is spaced from the mounting plate (500) to form a fourth expansion gap (530), and the fourth expansion gap is also provided with a filling cotton layer (600). The filling cotton layer (600) provided in the fourth expansion gap is connected to a flexible sheet (620), and the other end of the flexible sheet (620) is connected to an end of the mounting plate (500) away from the fourth expansion gap.