An inorganic fireproof mud grouting tool for cable pipeline
By designing fixing components in cable pipe grouting tooling, including the engaging ring fan and limiting slot, the problem of loose threads at the connection between the grouting hose and the connecting pipe is solved, improving connection stability and reducing contamination.
Patent Information
- Application Number
- CN202421448233.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-24
AI Technical Summary
During the grouting process of cable pipelines, when the mobile concrete pump truck pumps out the slurry, the vibration between the grouting hose and the connecting pipe causes the threads at the flange connection to be loose, affecting the connection stability of the grouting hose and the connecting pipe.
An inorganic fireproof mud grouting tool for cable pipes is designed. By installing multiple threaded columns and nuts on the grouting hose and the flange connecting the pipes, and a fixing assembly is provided between the two, including a first ring fan and a second ring fan that are engaged with each other, the arc groove and the limit groove are positioned to ensure that the nut is limited in the direction of the thread column axis to avoid thread loosening caused by vibration.
It effectively avoids vibration between the grouting hose and the connecting flange of the connecting pipe, prevents threads from loosening, improves the connection stability between the grouting hose and the connecting pipe, and reduces the pollution of the flange connection during the grouting process of fire-proof mud slurry.
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Figure CN222702804U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline grouting tooling, in particular to an inorganic fireproof mud grouting tooling for cable pipelines. Background Art
[0002] Cable duct is a tubular structure designed and laid specifically for cables to accommodate and protect cables; inorganic fireproof mud is a low thermal resistance fireproof material that is mixed into a certain proportion of slurry and injected into the pipe to conduct heat and protect the cables inside the pipe.
[0003] During the grouting process of the cable pipe, slurry is pumped in by a mobile concrete pump truck. A grouting hose for grouting is installed on the connecting pipe of the mobile concrete pump truck. In the prior art, the flange at the grouting hose and the flange at the connecting pipe are mostly connected by bolts, which can provide a large bearing capacity for the connection. However, when the mobile concrete pump truck pumps out the slurry, vibration will occur between the grouting hose and the connecting pipe, causing the threads at the flange connection to loosen, thereby affecting the connection stability between the grouting hose and the connecting pipe. Utility Model Content
[0004] The utility model provides an inorganic fireproof mud grouting tool for a cable pipeline, which can overcome the defect of loosening of threads at the connection between a mobile concrete pump truck connecting pipeline and a grouting hose in the prior art.
[0005] According to the utility model, an inorganic fireproof mud grouting tool for cable ducts includes two flanges respectively fixed on the grouting hose and the connecting end of the connecting pipe, and the two flanges are connected by a plurality of threaded columns and nuts; a fixing component is provided between the two flanges, and the fixing component includes a first ring fan and a second ring fan that are engaged with each other, and a positioning arc groove is formed on the opposite sides of the first ring fan and the second ring fan, and the positioning arc groove is used for positioning the first ring fan and the second ring fan with the two flanges; the positioning arc groove is provided with a limiting groove corresponding to a plurality of nuts on the opposite sides of the two flanges, and a limiting portion is fixed at the limiting groove for limiting the movement of the nut along the axial direction of the threaded column.
[0006] By fixing the assembly, the first annular fan and the second annular fan can not only position the two flanges, but also limit the nuts, thereby avoiding vibration between the grouting hose and the connecting pipe flange, causing loosening of the threads at the flange connection, and affecting the stability of the connection between the grouting hose and the connecting pipe.
[0007] Preferably, both sides of the inner ring of the first ring fan and the second ring fan are in close contact with the grouting hose and the connecting pipe.
[0008] In the utility model, the first annular fan and the second annular fan are engaged with each other, so that the two flanges can be wrapped and protected, thereby reducing the pollution caused to the connection between the two flanges during the grouting process of the fireproof mud material.
[0009] Preferably, the nut slides in the limiting groove, and the limiting portion in the limiting groove is in close contact with a side of the nut away from the two flanges.
[0010] In the utility model, the nut can be closely fitted on the limiting portion, thereby limiting the nut more fully.
[0011] Preferably, a first fixed block is fixed on the opposite side of the first ring fan and the second ring fan, and a second fixed block that fits with the first fixed block is fixed at both ends of the outer ring of the second ring fan, and a snap-fitting groove is opened at the second fixed block, and a snap-fitting block that matches the snap-fitting groove is fixed at the first fixed block.
[0012] In the utility model, the engaging block at the first fixing block will engage with the engaging groove at the second fixing block, so as to quickly engage the first ring fan with the second ring fan, thereby realizing the rapid disassembly and assembly of the fixing assembly.
[0013] Preferably, a positioning groove is provided on the inner wall of the engaging groove away from the second ring fan, and a positioning block for limiting the engaging block is provided in the positioning groove.
[0014] In the utility model, the engagement block is provided to limit the engagement of the first ring fan and the second ring fan, thereby improving the stability of the engagement between the first ring fan and the second ring fan.
[0015] Preferably, a guide rod is provided at the second fixed block along the sliding direction of the positioning block, and the positioning block slides on the outer wall of the guide rod. A limit seat for limiting the positioning block is fixed at one end of the guide rod away from the second fixed block, and a spring is sleeved between the limit seat and the positioning block on the outer wall of the guide rod. The spring is used to provide thrust for the positioning block to slide along the direction of the positioning groove.
[0016] In the utility model, the spring is provided to continuously provide thrust for the positioning block to limit the engagement block, thereby improving the stability of the positioning block to limit the engagement block. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of a fixing assembly in Example 1;
[0018] Figure 2 is a schematic diagram of the flange in Example 1;
[0019] Figure 3 It is a schematic diagram of a side cross-section of the first ring fan and the second ring fan in Example 1;
[0020] Figure 4 This is a schematic diagram of the positioning block in Example 1. DETAILED DESCRIPTION
[0021] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.
[0022] Example 1
[0023] like Figure 1-2 As shown, the present embodiment provides an inorganic fireproof mud grouting tool for cable ducts, which includes two flanges 210 respectively fixed on the grouting hose and the connecting end of the connecting pipe, and the two flanges 210 are connected by a plurality of threaded columns 220 and nuts 230; a fixing assembly 110 is provided between the two flanges 210, and the fixing assembly 110 includes a first ring fan 120 and a second ring fan 130 that are engaged with each other, and a positioning arc groove 240 is formed on the opposite sides of the first ring fan 120 and the second ring fan 130, and the positioning arc groove 240 is used to position the first ring fan 120 and the second ring fan 130 with the two flanges 210; the positioning arc groove 240 is provided with a limiting groove 150 corresponding to a plurality of nuts 230 on the opposite sides of the two flanges 210, and a limiting portion 160 is fixed at the limiting groove 150 for limiting the movement of the nut 230 along the axial direction of the threaded column 220.
[0024] In this embodiment, the staff uses multiple threaded columns 220 and nuts 230 to connect the two flanges 210 corresponding to the grouting hose and the connecting pipe, and then engages the first ring fan 120 and the second ring fan 130 on the two flanges 210 through the positioning arc groove 240. During the engagement process of the first ring fan 120 and the second ring fan 130, the nut 230 will slide in the limiting groove 150. At the same time, the limiting part 160 will limit the axial direction of the nut 230 on the threaded column 220. Compared with the prior art, the first ring fan 120 and the second ring fan 130 can not only position the two flanges 210, but also limit the nut 230, thereby avoiding vibration between the connecting flange of the grouting hose and the connecting pipe, resulting in loose threads at the flange connection, and affecting the connection stability of the grouting hose and the connecting pipe.
[0025] Combination Figure 2-3 As shown, in this embodiment, the inner rings of the first annular fan 120 and the second annular fan 130 are in close contact with the grouting hose and the connecting pipe on both sides; the nut 230 slides in the limiting groove 150, and the limiting portion 160 in the limiting groove 150 is in close contact with the side of the nut 230 away from the two flanges 210.
[0026] Through the above structure, the first annular fan 120 and the second annular fan 130 can wrap and protect the two flanges 210 after being engaged, thereby reducing the pollution caused to the connection between the two flanges 210 during the grouting process of the fireproof mud material; through the above structure, the nut 230 can be tightly fitted on the limiting part 160, thereby limiting the nut 230 more fully.
[0027] Combination Figure 1-3 As shown, in this embodiment, a first fixing block 250 is fixed on the opposite sides of the first ring fan 120 and the second ring fan 130, and a second fixing block 260 that fits with the first fixing block 250 is fixed at both ends of the outer ring of the second ring fan 130, and a snap-fitting groove 270 is opened at the second fixing block 260, and a snap-fitting block 280 that matches the snap-fitting groove 270 is fixed at the first fixing block 250.
[0028] Through the above structure, the engaging block 280 at the first fixing block 250 will engage with the engaging groove 270 at the second fixing block 260 , thereby quickly engaging the first ring fan 120 and the second ring fan 130 , thereby realizing rapid disassembly and assembly of the fixing assembly 110 .
[0029] Combination Figure 2-4 As shown, in this embodiment, a positioning groove 410 is provided on the inner wall of the locking groove 270 away from the second ring fan 130, and a positioning block 420 for limiting the locking block 280 is provided in the positioning groove 410; a guide rod 430 is provided at the second fixed block 260 along the sliding direction of the positioning block 420, and the positioning block 420 slides on the outer wall of the guide rod 430, and a limiting seat 440 for limiting the positioning block 420 is fixed at one end of the guide rod 430 away from the second fixed block 260, and a spring 450 is sleeved between the limiting seat 440 and the positioning block 420 on the outer wall of the guide rod 430, and the spring 450 is used to provide thrust for the positioning block 420 to slide along the direction of the positioning groove 410.
[0030] Through the above structure, the positioning block 420 can penetrate into the locking groove 270 through the positioning groove 410 to limit the locking block 280, and then limit the locking of the first ring fan 120 and the second ring fan 130, thereby improving the stability of the locking between the first ring fan 120 and the second ring fan 130; at the same time, the spring 450 will push the positioning block 420 sliding on the guide rod 430, and continuously provide thrust for the positioning block 420 to limit the locking block 280, thereby improving the stability of the positioning block 420 to limit the locking block 280.
[0031] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on one or several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.
[0032] The above is a schematic description of the present invention and its implementation methods, which is not restrictive. The embodiments shown are only part of the implementation methods of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the present invention, they should all fall within the protection scope of the present invention.
Claims
1. An inorganic fireproof mud grouting tool for cable ducts, characterized in that , comprising two flanges (210) respectively fixed to the connection ends of the grouting hose and the connecting pipe, wherein the two flanges (210) are connected by a plurality of threaded columns (220) and nuts (230); A fixing assembly (110) is provided between the two flanges (210), the fixing assembly (110) comprising a first ring fan (120) and a second ring fan (130) that are engaged with each other, and a positioning arc groove (240) is formed on opposite sides of the first ring fan (120) and the second ring fan (130), the positioning arc groove (240) being used for positioning the first ring fan (120) and the second ring fan (130) with the two flanges (210); The positioning arc groove (240) is provided with limiting grooves (150) corresponding to the plurality of nuts (230) on the sides opposite to the two flanges (210), and the limiting grooves (150) are fixed with limiting portions (160) for limiting the movement of the nuts (230) along the axial direction of the threaded column (220).
2. The inorganic fireproof mud grouting tool for cable duct according to claim 1, characterized in that: Both sides of the inner rings of the first annular fan (120) and the second annular fan (130) are in close contact with the grouting hose and the connecting pipe.
3. The inorganic fireproof mud grouting tool for cable duct according to claim 1, characterized in that: The nut (230) slides in the limiting groove (150), and the limiting portion (160) in the limiting groove (150) is in close contact with a side of the nut (230) away from the two flanges (210).
4. The inorganic fireproof mud grouting tool for cable duct according to claim 2, characterized in that: A first fixing block (250) is fixed on the opposite side of the first ring fan (120) and the second ring fan (130), and second fixing blocks (260) that fit the first fixing block (250) are fixed at both ends of the outer ring of the second ring fan (130), and a snap-fitting groove (270) is provided at the second fixing block (260), and a snap-fitting block (280) that matches the snap-fitting groove (270) is fixed at the first fixing block (250).
5. The inorganic fireproof mud grouting tool for cable duct according to claim 4, characterized in that: A positioning groove (410) is provided on the inner wall of the engaging groove (270) away from the second ring fan (130), and a positioning block (420) for limiting the engaging block (280) is matched in the positioning groove (410).
6. The inorganic fireproof mud grouting tool for cable duct according to claim 4 or 5, characterized in that: A guide rod (430) is provided at the second fixed block (260) along the sliding direction of the positioning block (420); the positioning block (420) slides on the outer wall of the guide rod (430); a limiting seat (440) for limiting the positioning block (420) is fixed to one end of the guide rod (430) away from the second fixed block (260); a spring (450) is sleeved between the limiting seat (440) and the positioning block (420) at the outer wall of the guide rod (430); the spring (450) is used to provide a thrust for the positioning block (420) to slide along the direction of the positioning groove (410).