Anti-loosening connecting structure of valve block connector of finish rolling descaling machine of steel rolling mill
By adding a clamping and replacement mechanism to the flange connection, the problem of valve block and connector loosening under high-pressure water flow was solved, achieving stable connection and convenient maintenance, and improving the stability and maintenance efficiency of the equipment.
Patent Information
- Application Number
- CN202520050618.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The flange connection between the valve block and the joint of the existing steel rolling mill descaling machine is prone to loosening under high-pressure water flow, resulting in unstable connection, affecting the stability of the equipment and increasing maintenance difficulty.
The device employs a clamping mechanism and a replacement mechanism. The clamping mechanism achieves a stable connection through a clamping base, a flipping shaft, and a clamp. The replacement mechanism ensures the stability of the connection through a limiting post, a limiting ratchet, and a return spring, and prevents water leakage through a sealing gasket.
This achieves a stable connection between the valve block and the connector, improves the tightness of the connection, facilitates quick disassembly and maintenance, and enhances the stability and ease of maintenance of the equipment.
Smart Images
Figure CN223563571U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to descaling machine accessory technical field especially relates to a kind of anti-loosening connection structure of steel rolling mill finish rolling descaling machine valve block joint. BACKGROUND
[0002] The descaling machine valve block is a key component in the hydraulic or fluid control system of the descaling machine. It is a metal block that integrates multiple valves, channels and interfaces. It is usually made of high-strength cast iron or steel, such as high-quality carbon steel. Its main function is to control the flow direction, pressure and flow rate of high-pressure water (or other descaling medium) in the descaling machine. For example, during the finish rolling stage in a steel rolling mill, the valve block can accurately control the timing of high-pressure water injection when the steel passes through the descaling machine, ensuring that high-pressure water is sprayed onto the steel surface at the right time to effectively remove the iron oxide scale on the steel surface.
[0003] When the valve block is in use, it needs to be connected to external pipelines, sensors and other equipment. When connecting larger diameter pipelines or equipment that needs to be frequently disassembled, flange connection is often used to facilitate maintenance and replacement of parts. However, when using flange connection, the existing equipment is prone to unstable connection when the water flow is large, which may lead to loosening and instability of the equipment. SUMMARY
[0004] To achieve the above purpose, the utility model adopts the following technical scheme:
[0005] An anti-loosening connection structure for the valve block joint of a descaling machine in a steel rolling mill finish rolling stage includes a valve block used for descaling during finish rolling. The valve block is fixedly installed with a flange base on one side. The flange base is fixedly installed with a sealing rubber ring on one side. The flange base is bolted with a flange plate on one side. The valve block is provided with a clamping mechanism on one side. The clamping mechanism clamps the flange plate. The inner side of the flange plate is fixedly installed with a joint. The outer side of the joint is slidably sleeved with a connecting pipe fitting. The connecting pipe fitting is provided with a replacement mechanism.
[0006] Specifically, the inner side of the connecting pipe fitting is fixedly installed with a sealing rubber gasket, which can effectively prevent water seepage and leakage.
[0007] Specifically, the replacement mechanism includes multiple limiting columns and a limiting ratchet. The inner side of the connecting pipe fitting is fixedly installed with multiple limiting columns. The surface of the joint is provided with multiple positioning grooves. The multiple limiting columns are respectively matched with the corresponding positioning grooves. One end of the connecting pipe fitting is fixedly installed with a limiting ratchet.
[0008] Specific, the outer side of the joint sliding sleeve is provided with a fixed ratchet, the fixed ratchet is matched with a limiting ratchet, the outer side of the joint is provided with a reset spring, one end of the reset spring is connected with the fixed ratchet, and the other end of the reset spring is connected with the flange plate.
[0009] Specific, the clamping mechanism includes a plurality of clamping bases, a plurality of turnover shafts and a plurality of clamping clips, a plurality of clamping bases are fixedly installed on one side of the valve block, turnover shafts are fixedly installed on the inner sides of the plurality of clamping bases, and clamping clips are rotatably sleeved on the plurality of turnover shafts.
[0010] Specific, the side of the plurality of clamping clips is provided with rotating grooves, linkage shafts are fixedly installed on the inner sides of the plurality of rotating grooves, and linkage metal blocks are rotatably sleeved on the plurality of linkage shafts.
[0011] Specific, the outer side of the flange base is provided with an external thread groove, the outer side of the flange base is slidably installed with a linkage ring, the inner side of the linkage ring is provided with an internal thread groove, and the external thread groove is matched with the internal thread groove.
[0012] Specific, the outer side of the linkage ring is provided with a groove, and the plurality of linkage metal blocks are slidably installed in the groove, so that the plurality of linkage metal blocks can be moved by the linkage ring.
[0013] Compared with the prior art, the beneficial effects of the utility model lie in that: through the clamping structure, the valve block and the joint can be connected conveniently and quickly, the clamping mechanism added on the basis of the flange mechanism can make the connection of the valve block and the joint more stable, improve the tightness of the connection, and through the replacement mechanism, the pipeline can be replaced or disassembled conveniently and quickly, and maintenance is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A three-dimensional structure schematic view of the anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill is provided for the utility model;
[0015] Figure 2 A three-dimensional structure sectional view schematic view of the replacement mechanism of the anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill is provided for the utility model;
[0016] Figure 3 A three-dimensional mechanism split schematic view of the flange mechanism of the anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill is provided for the utility model;
[0017] Figure 4 A three-dimensional structure split schematic view of the clamping mechanism of the anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill is provided for the utility model.
[0018] Figure 5 A three-dimensional structure exploded schematic view of the clamping mechanism of the anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill is provided.
[0019] In the figure: 1, valve block; 2, connecting pipe; 3, limit ratchet; 4, sealing rubber; 5, limit column; 6, joint; 7, positioning groove; 8, fixed ratchet; 9, return spring; 10, flange plate; 11, clamping groove; 12, flange base; 13, sealing rubber ring; 14, external thread groove; 15, linkage ring; 16, internal thread groove; 17, linkage metal block; 18, linkage shaft; 19, clamping base; 20, turnover shaft; 21, clamp. DETAILED DESCRIPTION
[0020] Reference Figures 1-5 The anti-loosening connection structure of the valve block joint of the finishing descaling machine of the steel rolling mill comprises a valve block 1 used during finishing rolling of the descaling machine, a flange base 12 fixedly installed on one side of the valve block 1, a sealing rubber ring 13 fixedly installed on one side of the flange base 12, a flange plate 10 bolted on one side of the flange base 12, a clamping mechanism provided on one side of the valve block 1, the clamping mechanism clamping the flange plate 10, and a joint 6 fixedly installed on the inner side of the flange plate 10.
[0021] In this embodiment, the inner side of the connecting pipe 2 is fixedly installed with a sealing rubber 4, which can effectively prevent water seepage and leakage.
[0022] In this embodiment, the replacement mechanism comprises a plurality of limit columns 5 and limit ratchets 3, the inner side of the connecting pipe 2 is fixedly installed with the plurality of limit columns 5, the surface of the joint 6 is provided with a plurality of positioning grooves 7, the plurality of limit columns 5 are respectively matched with the corresponding positioning grooves 7, and one end of the connecting pipe 2 is fixedly installed with the limit ratchet 3.
[0023] In this embodiment, the outer side of the joint 6 is slidably sleeved with a fixed ratchet 8 matched with the limit ratchet 3, the outer side of the joint 6 is sleeved with a return spring 9, one end of the return spring 9 is connected with the fixed ratchet 8, and the other end of the return spring 9 is connected with the flange plate 10.
[0024] In this embodiment, the clamping mechanism comprises a plurality of clamping bases 19, a plurality of turnover shafts 20 and a plurality of clamps 21, the valve block 1 is fixedly installed with the plurality of clamping bases 19, the inner side of each of the plurality of clamping bases 19 is fixedly installed with the turnover shaft 20, each of the plurality of turnover shafts 20 is rotationally sleeved with the clamp 21, the one side of the flange plate 10 is provided with a plurality of clamping grooves 11, and the plurality of clamps 21 are respectively matched with the corresponding clamping grooves 11.
[0025] In this embodiment, the plurality of clamps 21 is provided with a rotating groove on one side, and the inner side of the plurality of rotating grooves is fixedly installed with a linkage shaft 18, and the plurality of linkage shafts 18 is rotatably sleeved with a linkage metal block 17.
[0026] In this embodiment, the outer side of the flange base 12 is provided with an external thread groove 14, the outer side of the flange base 12 is slidably installed with a linkage ring 15, the inner side of the linkage ring 15 is provided with an internal thread groove 16, and the external thread groove 14 is matched with the internal thread groove 16.
[0027] In this embodiment, the outer side of the linkage ring 15 is provided with a groove, and the plurality of linkage metal blocks 17 is slidably installed in the groove, so as to move the plurality of linkage metal blocks 17 through the linkage ring 15.
[0028] Working principle: in use, the staff fixes the valve block 1, aligns the connector 6 with the flange base 12, aligns the hole groove on the flange plate 10 with the hole groove on the flange base 12, and then connects them through the bolt, then the staff rotates the linkage ring 15, the inner side of the linkage ring 15 is provided with an internal thread groove 16, the outer side of the flange base 12 is provided with an external thread groove 14, the internal thread groove 16 is matched with the external thread groove 14, so that the rotation of the linkage ring 15 makes the internal thread groove 16 on the inner side move along the thread of the external thread groove 14, thereby driving the linkage ring 15 to move, the linkage ring 15 moves to drive the plurality of linkage metal blocks 17 to move, the plurality of linkage metal blocks 17 moves to drive the corresponding clamp 21 to move, but since the plurality of clamps 21 is rotatably sleeved on the corresponding turnover shaft 20, the plurality of clamps 21 can only be turned around the corresponding turnover shaft 20 as the center, the protrusions of the plurality of clamps 21 are clamped into the corresponding clamping grooves 11 on the surface of the flange plate 10, and the clamping is completed, then the staff installs the connecting pipe 2, aligns the plurality of limiting columns 5 on the inner side with the corresponding positioning grooves 7 on the surface of the connector 6, then pushes the connecting pipe 2 to the specified position, the limiting ratchet 3 at one end of the connecting pipe 2 is in contact with the fixed ratchet 8, and the connecting pipe 2 is rotated, at this time, the tooth grooves of the limiting ratchet 3 and the fixed ratchet 8 are the same, and no limiting effect is generated, when the plurality of limiting columns 5 slides into the corresponding position, the staff releases the hand, at this time, the rebounding force of the reset spring 9 drives the fixed ratchet 8 to press the limiting ratchet 3 and the connecting pipe 2, the plurality of limiting columns 5 is clamped in the corresponding positioning groove 7 and cannot move, and at the same time, the fixed ratchet 8 prevents the limiting ratchet 3 from being reversed, so that the connection between the connecting pipe 2 and the connector 6 is stable, and they cannot be separated without human intervention.
[0029] The utility model discloses relative to the prior art obtained the technical progress is: can convenient and fast with valve block 1 and the joint 6 are connected, and the clamping mechanism that adds on the basis of flange mechanism can make valve block 1 and the joint 6 more stable connection, also improved the compactness of connection, and through the replacement mechanism that sets up, can convenient and fast with connecting pipe fitting 2 replace or disassembly, convenient for overhauling.
Claims
1. A loosening-preventing connection structure of a valve block joint of a finishing descaling machine of a steel rolling mill, characterized in that, Including the valve block (1) for the descaling machine finishing rolling is used, one side of the valve block (1) is fixedly installed with the flange base (12), one side of the flange base (12) is fixedly installed with the sealing rubber ring (13), one side of the flange base (12) is bolted with the flange plate (10), one side of the valve block (1) is provided with a clamping mechanism, the clamping mechanism clamps the flange plate (10), the inner side of the flange plate (10) is fixedly installed with the connector (6); The outer side of the connector (6) is slidably sleeved with a connecting pipe fitting (2), and the connecting pipe fitting (2) is provided with a replacement mechanism.
2. The anti-loosening connection structure of a valve block joint of a finishing descaling machine of a rolling mill according to claim 1, characterized in that, The inner side of the connecting pipe fitting (2) is fixedly installed with a sealing rubber gasket (4).
3. The anti-loosening connection structure of a valve block joint of a finishing descaling machine of a rolling mill according to claim 1, characterized in that, The replacement mechanism comprises a plurality of limiting columns (5) and a limiting ratchet (3), the inner side of the connecting pipe fitting (2) is fixedly installed with a plurality of limiting columns (5), the surface of the connector (6) is provided with a plurality of positioning grooves (7), and the plurality of limiting columns (5) are respectively matched with the corresponding positioning grooves (7), and one end of the connecting pipe fitting (2) is fixedly installed with the limiting ratchet (3).
4. The anti-loosening connection structure of a finishing descaling machine valve block joint of a rolling mill according to claim 3, characterized in that, The outer side of the connector (6) is slidably sleeved with a fixed ratchet (8), the fixed ratchet (8) is matched with the limiting ratchet (3), the outer side of the connector (6) is sleeved with a return spring (9), one end of the return spring (9) is connected with the fixed ratchet (8), and the other end of the return spring (9) is connected with the flange plate (10).
5. The anti-loosening connection structure of a finishing descaling machine valve block joint of a rolling mill according to claim 1, characterized in that, The clamping mechanism comprises a plurality of clamping bases (19), a plurality of turnover shafts (20) and a plurality of clamps (21), one side of the valve block (1) is fixedly installed with a plurality of clamping bases (19), the inner side of each clamping base (19) is fixedly installed with a turnover shaft (20), each turnover shaft (20) is rotatably sleeved with a clamp (21), one side of the flange plate (10) is provided with a plurality of clamping grooves (11), and the plurality of clamps (21) are respectively matched with the corresponding clamping grooves (11).
6. A loosening-preventing connecting structure of a valve block joint of a finishing descaling machine of a rolling mill according to claim 5, characterized in that, One side of the plurality of clamps (21) is provided with a rotating groove, the inner side of each rotating groove is fixedly installed with a linkage shaft (18), and the linkage shaft (18) is rotatably sleeved with a linkage metal block (17).
7. The anti-loosening connection structure of a finishing mill descaling machine valve block joint of a rolling mill according to claim 6, characterized in that, The outer side of the flange base (12) is provided with an external thread groove (14), the outer side of the flange base (12) is slidably installed with a linkage ring (15), the inner side of the linkage ring (15) is provided with an internal thread groove (16), and the external thread groove (14) is matched with the internal thread groove (16).
8. The anti-loosening connection structure of a finishing mill descaling machine valve block joint of a rolling mill according to claim 7, characterized in that, The outer side of the linkage ring (15) is provided with a groove, and the plurality of linkage metal blocks (17) are slidably installed in the groove.