MPP cable protection pipe facilitating lapping
The threaded connection of the MPP cable protection pipe is achieved by driving and stabilizing the mechanism, which solves the interface problem caused by improper welding and enhances the reliability and safety of the connection.
Patent Information
- Application Number
- CN202522085670.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-28
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-28
AI Technical Summary
Existing MPP cable protection pipes are prone to false welding or over-welding during welding, resulting in raised weld beads or reduced material properties at the joint, affecting the tensile strength and ring stiffness of the connection, and posing a risk of cracking or pull-out.
A drive mechanism is used to rotate the connecting plate, and a threaded connection is achieved through a synchronous rotation mechanism and a stabilizing mechanism, avoiding welding, enhancing connection reliability, and improving tensile strength and ring stiffness.
A stable connection of MPP cable protection pipes can be achieved without welding, improving the tensile strength and ring stiffness of the connection, and ensuring project quality and safety.
Smart Images
Figure CN224683790U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to MPP cable protection pipe technical field, concretely is a kind of MPP cable protection pipe convenient to lap. BACKGROUND
[0002] MPP cable protection pipe is a kind of pipe material made of modified polypropylene material, designed for protecting power or communication cable;It has the outstanding advantages such as high temperature resistance, external pressure resistance, good insulation performance, and its most core feature is that it can be constructed by non-excavation drag method, without large-area excavation, and can cross complex sites such as highway, railway, building, riverbed, greatly improving construction efficiency, reducing engineering cost and environmental damage, and therefore widely used in urban power grid construction, municipal engineering reconstruction and other various cable laying projects.
[0003] The installation of MPP cable protection pipe mainly adopts non-excavation drag method, and the process is as follows: first, excavate working pits at the starting point and the terminal point, then use horizontal directional drilling machine and other equipment to drill a guide hole, then connect multiple MPP pipes into the required overall length by hot melt welding, and ensure that the interface is flat and firm to reduce the drag resistance, finally, use the drilling machine to drag the whole pipe from one end of the drilling hole into the pre-set hole at one time, to complete the crossing laying, thereby avoiding the damage to the ground environment caused by traditional excavation construction.
[0004] However, the MPP cable protection pipe in the prior art has the following disadvantages during installation: although the mainstream hot melt welding connection method can realize integrated connection, it requires very high construction process and has human uncertainty;If the heating temperature, pressure or time control is not proper during welding, false welding or overwelding is likely to occur, which causes the formation of convex weld beads or material performance degradation at the interface, which significantly weakens the tensile strength and ring stiffness of the connection, making it a mechanical weak point of the whole pipeline, and under the action of the huge external force in subsequent non-excavation drag construction, the interface is at risk of cracking or pulling off, thereby affecting the quality and safety of the whole project.
[0005] Therefore, we propose a kind of MPP cable protection pipe convenient to lap to solve the problems in the above background. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of MPP cable protection pipe convenient to lap to solve the problems in the above background, such as false welding or overwelding during welding, which causes the formation of convex weld beads or material performance degradation at the interface, and under the action of the huge external force in subsequent non-excavation drag construction, the interface is at risk of cracking or pulling off.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: The utility model provides a kind of MPP cable protection tube facilitating lap, including MPP cable protection tube body, the surface of the MPP cable protection tube body is fixedly connected with the first connecting ring for connecting MPP cable protection tube body, MPP cable protection tube body inside is slidably connected with the connecting plate connected with the first connecting ring, the surface of MPP cable protection tube body is slidably connected with the second connecting ring for connecting MPP cable protection tube body, second connecting ring side is rotatably connected with the fixed bolt for the thread connection of connecting plate and first connecting ring, the side of the connecting plate is provided with the drive mechanism for driving the overturning of the connecting plate, the side of the fixed bolt is provided with the synchronous rotation mechanism for driving the rotation of the fixed bolt, the surface of second connecting ring is provided with the stabilizing mechanism for the secondary stabilization of MPP cable protection tube body.
[0008] Preferably, the MPP cable protection tube body is embedded with a sealing ring on one side for sealing the connection of the MPP cable protection tube body. The MPP cable protection tube body is provided with a sealing groove on one side for facilitating the extrusion and buffering of the sealing ring.
[0009] Preferably, the drive mechanism includes a plurality of drive columns fixedly connected to one side of the MPP cable protection tube body. The MPP cable protection tube body is provided with a drive groove on one side that is mutually adapted to the plurality of drive columns. The plurality of drive columns are slidably connected in the drive groove.
[0010] Preferably, the surface of each of the plurality of drive columns is provided with a plurality of gear slots for driving the overturning of the plurality of connecting plates. The MPP cable protection tube body is rotatably connected with a plurality of gears inside. The plurality of gears are fixedly connected to one end of the plurality of connecting plates. The plurality of gears are engaged with the plurality of gear slots.
[0011] Preferably, the surface of each of the plurality of connecting plates is provided with a plurality of perforations for facilitating the connection of the plurality of fixed bolts. The first connecting ring is provided with a plurality of threaded holes on one side that are connected to the plurality of fixed bolts. The plurality of fixed bolts are threaded into the plurality of threaded holes through the plurality of perforations.
[0012] Preferably, the synchronous rotation mechanism includes a plurality of drive wheels fixedly connected to one end of the plurality of fixed bolts. The plurality of drive wheels are rotatably connected inside the second connecting ring. The second connecting ring is rotatably connected with a gear ring inside for driving the rotation of the plurality of drive wheels. The gear ring is engaged with the plurality of drive wheels inside.
[0013] Preferably, the stabilizing mechanism includes a stabilizing ring fixedly connected to the surface of the gear ring. The stabilizing ring is provided with a threaded slot one inside that is connected to the first connecting ring. The surface of the first connecting ring is provided with a threaded slot two. The threaded slot one is threadedly connected to the threaded slot two.
[0014] Preferably, the surface of the stabilizing ring is provided with an anti-skid groove for facilitating the rotation of the stabilizing ring. The threaded slot one is threadedly connected to the threaded slot two by rotating the stabilizing ring.
[0015] Preferably, one end of the second connecting ring is in contact with the surface of the connecting plate, so as to facilitate locking and fixing of the second connecting ring and the connecting plate.
[0016] Preferably, the surface of the connecting plate is fixedly connected with an extrusion pad for buffering when the second connecting ring extrudes the connecting plate.
[0017] Compared with the prior art, the utility model has the advantages that: The MPP cable protection pipe bodies are connected together, the driving mechanism drives the overturning of the connecting plates, the connecting plates correspond to the surface of the first connecting ring, then the second connecting ring is slid to one side of the first connecting ring, the synchronous rotating mechanism is rotated, the synchronous rotating mechanism drives the fixed bolts to penetrate through the connecting plates and be screwed in the first connecting ring, the connection between the MPP cable protection pipe bodies is completed, welding is not needed, the MPP cable protection pipe bodies are conveniently connected, meanwhile, the connection is stable and reliable, the tensile strength and ring stiffness of the connection are improved, the risk of cracking or pulling off is avoided, and thus the quality and safety of the whole project are guaranteed.
[0018] The stable ring is rotated, the stable ring drives the gear ring to rotate, meanwhile, the stable ring drives the thread groove one to rotate, the thread groove one is screwed with the thread groove two, the connection between the stable ring and the first connecting ring is completed, and the secondary stable connection of the MPP cable protection pipe bodies is realized. DRAWINGS
[0019] Figure 1 It is an overall structure schematic view of the utility model; Figure 2 It is a side surface structure schematic view of the utility model; Figure 3 It is a cross section structure schematic view of the utility model; Figure 4 It is a local structure schematic view of the utility model; Figure 5 It is a Figure 3 It is an enlarged structure schematic view of A in the middle.
[0020] 1, MPP cable protection pipe body; 2, first connecting ring; 3, connecting plate; 4, second connecting ring; 5, fixed bolt; 6, sealing ring; 7, sealing groove; 8, driving column; 9, driving groove; 10, gear slot; 11, gear; 12, perforation; 13, thread hole; 14, driving wheel; 15, gear ring; 16, stable ring; 17, thread groove one; 18, thread groove two; 19, anti-skid groove; 20, extrusion pad. PREFERRED EMBODIMENT
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0022] Please refer to Figures 1-5 The present application provides a technical solution: As Figures 1-5 shown, a kind of MPP cable protection pipe of convenient lap, including MPP cable protection pipe body 1, the surface of the MPP cable protection pipe body 1 is fixedly connected with the first connecting ring 2 being connected to MPP cable protection pipe body 1, MPP cable protection pipe body 1 inside is slidably connected with the first connecting ring 2 connection several connecting plates 3, the surface of MPP cable protection pipe body 1 is slidably connected with the second connecting ring 4 being connected to MPP cable protection pipe body 1, second connecting ring 4 side is rotatably connected with the several fixed bolts 5 being connected to connecting plate 3 and the first connecting ring 2 for thread connection, the side of several connecting plates 3 is provided with drive mechanism that drives several connecting plates 3 overturning, the side of several fixed bolts 5 is provided with synchronous rotation mechanism that drives several fixed bolts 5 rotation, the surface of second connecting ring 4 is provided with the stabilizing mechanism being connected to MPP cable protection pipe body 1 for second firm.
[0023] As Figures 1-5 shown, by connecting MPP cable protection pipe body 1 together, drive mechanism drives several connecting plates 3 overturning, several connecting plates 3 are corresponding to the surface of the first connecting ring 2, then second connecting ring 4 is slid to the side of the first connecting ring 2, synchronous rotation mechanism is rotated, synchronous rotation mechanism drives several fixed bolts 5 to penetrate several connecting plates 3, and is simultaneously threadedly connected in the first connecting ring 2, the connection between MPP cable protection pipe body 1 is completed, while synchronous rotation mechanism drives stabilizing mechanism to rotate, MPP cable protection pipe body 1 is secondly stabilized, without welding, it is convenient to connect MPP cable protection pipe body 1, while stable and reliable, improve the tensile strength and ring stiffness of the connection, avoid the risk of cracking or pulling off, so that the quality and safety of the entire project are guaranteed.
[0024] Further, as Figures 1-5As shown, the driving mechanism includes a plurality of driving columns 8 fixedly connected on one side of the MPP cable protection pipe body 1, and a driving groove 9 is formed on the side of the MPP cable protection pipe body 1 to match the plurality of driving columns 8. The plurality of driving columns 8 are slidingly connected in the driving groove 9, and a plurality of tooth grooves 10 are formed on the surface of the plurality of driving columns 8 to drive the plurality of connecting plates 3 to flip. A plurality of gears 11 are rotatably connected inside the MPP cable protection pipe body 1, and the plurality of gears 11 are fixedly connected to one end of the plurality of connecting plates 3 and engaged with the plurality of tooth grooves 10.
[0025] When the MPP cable protection pipe body 1 is connected, the plurality of driving columns 8 on one side of the MPP cable protection pipe body 1 are inserted into the driving groove 9 formed on the side of the MPP cable protection pipe body 1, and the tooth grooves 10 on the surface of the driving columns 8 drive the plurality of gears 11 to rotate, so that the plurality of gears 11 drive the plurality of connecting plates 3 to flip inside the MPP cable protection pipe body 1, and the plurality of connecting plates 3 are parallel to the first connecting ring 2.
[0026] Further, as shown in Figures 1-5 , the MPP cable protection pipe body 1 has a sealing ring 6 embedded on one side to seal the connection of the MPP cable protection pipe body 1, and a sealing groove 7 is formed on the side of the MPP cable protection pipe body 1 to facilitate the extrusion and buffering of the sealing ring 6. A plurality of perforations 12 are formed on the surface of the plurality of connecting plates 3 to facilitate the connection of a plurality of fixed bolts 5, and a plurality of threaded holes 13 are formed on one side of the first connecting ring 2 to connect with the plurality of fixed bolts 5. One end of the plurality of fixed bolts 5 penetrates the plurality of perforations 12 and is threadedly connected in the plurality of threaded holes 13. One end of the second connecting ring 4 is in contact with the surface of the connecting plate 3 to facilitate the locking and fixing of the second connecting ring 4 and the connecting plate 3. An extrusion pad 20 is fixedly connected to the surface of the connecting plate 3 to buffer when the second connecting ring 4 extrudes the connecting plate 3.
[0027] The sealing ring 6 is clamped in the sealing groove 7 to make the connection between the MPP cable protection pipe bodies 1 more sealed. One end of the second connecting ring 4 penetrates the plurality of perforations 12 and is threadedly connected in the plurality of threaded holes 13 to realize the fixed connection of the fixed bolts 5 and the first connecting ring 2. Then, one end of the second connecting ring 4 is in contact with the surface of the connecting plate 3, and the extrusion pad 20 is pressed to buffer when the second connecting ring 4 extrudes the connecting plate 3.
[0028] Further, as shown in Figure 3 , Figure 4 , and Figure 5 , the synchronous rotating mechanism includes a plurality of driving wheels 14 fixedly connected to one end of the plurality of fixed bolts 5, and the plurality of driving wheels 14 are rotatably connected inside the second connecting ring 4. A gear ring 15 is rotatably connected inside the second connecting ring 4 to drive the plurality of driving wheels 14 to rotate, and the gear ring 15 is engaged with the plurality of driving wheels 14 inside.
[0029] Through rotating the gear ring 15, the gear ring 15 drives the driving wheels 14 to rotate, and the driving wheels 14 drive the fixed bolts 5 to rotate inside the second connecting ring 4.
[0030] Further, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 5 , the stabilizing mechanism comprises a stabilizing ring 16 fixedly connected to the surface of the gear ring 15, and a threaded groove one 17 is formed in the interior of the stabilizing ring 16 and connected with the first connecting ring 2, a threaded groove two 18 is formed in the surface of the first connecting ring 2, the threaded groove one 17 is threadedly connected with the threaded groove two 18, and an anti-skid groove 19 is formed in the surface of the stabilizing ring 16 to facilitate rotating the stabilizing ring 16, and rotating the stabilizing ring 16 threadedly connects the threaded groove one 17 with the threaded groove two 18.
[0031] Through rotating the stabilizing ring 16, the stabilizing ring 16 drives the gear ring 15 to rotate, and simultaneously drives the threaded groove one 17 to rotate, so as to threadedly connect the threaded groove one 17 with the threaded groove two 18, complete the connection of the stabilizing ring 16 with the first connecting ring 2, and realize the secondary stable connection of the MPP cable protection pipe body 1.
[0032] The working principle of the MPP cable protection pipe convenient for lapping is as follows: Through connecting the MPP cable protection pipe bodies 1 together, the driving columns 8 on one side are inserted into the driving grooves 9 formed on one side of the MPP cable protection pipe bodies 1, simultaneously the tooth grooves 10 on the surfaces of the driving columns 8 drive the gear wheels 11 to rotate, the gear wheels 11 drive the connecting plates 3 to overturn inside the MPP cable protection pipe bodies 1, the connecting plates 3 are parallel to the first connecting rings 2, then the second connecting ring 4 is slid to one side of the first connecting ring 2, the stabilizing ring 16 is rotated to drive the gear ring 15 to rotate, the gear ring 15 drives the driving wheels 14 to rotate, the driving wheels 14 drive the fixed bolts 5 to rotate inside the second connecting ring 4, the second connecting ring 4 drives one end of the fixed bolts 5 to penetrate through the perforations 12 and be threadedly connected in the threaded holes 13, realizes the fixed connection of the fixed bolts 5 with the first connecting ring 2, completes the connection between the MPP cable protection pipe bodies 1, without welding, facilitates connecting the MPP cable protection pipe bodies 1, is stable and reliable, improves the tensile strength and ring stiffness of the connection, avoids the risk of cracking or pulling off, so as to guarantee the quality and safety of the whole project.
[0033] Through rotating the stabilizing ring 16, the stabilizing ring 16 drives the gearring 15 to rotate, and simultaneously drives the threaded groove one 17 to rotate, so as toridedly connect the threaded groove one 17 with the threaded groove two 18, complete the connectionof the stabilizing ring 16 with the first connecting ring 2, and realize the secondary stableconnection of the MPP cable protection pipe body 1.
[0034] Although the specific embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the specific embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An MPP cable protection conduit for easy splicing, comprising an MPP cable protection conduit body (1), characterized in that, The surface of the MPP cable protection pipe body (1) is fixedly connected to a first connecting ring (2) for connecting the MPP cable protection pipe body (1). Inside the MPP cable protection pipe body (1), there are several connecting plates (3) that are connected to the first connecting ring (2). The surface of the MPP cable protection pipe body (1) is slidably connected to a second connecting ring (4) for connecting the MPP cable protection pipe body (1). On one side of the second connecting ring (4), there are several fixing bolts (5) that are threadedly connected to the connecting plates (3) and the first connecting ring (2). On one side of the several connecting plates (3), there is a driving mechanism for driving the several connecting plates (3) to flip. On one side of the several fixing bolts (5), there is a synchronous rotation mechanism for driving the several fixing bolts (5) to rotate. On the surface of the second connecting ring (4), there is a stabilizing mechanism for secondary stabilization of the MPP cable protection pipe body (1).
2. The MPP cable protection pipe for easy splicing according to claim 1, characterized in that: The MPP cable protection pipe body (1) has a sealing ring (6) embedded on one side to seal the connection between the MPP cable protection pipe body (1) and a sealing groove (7) is provided on one side of the MPP cable protection pipe body (1) to facilitate the compression and buffering of the sealing ring (6).
3. The MPP cable protection conduit for easy splicing according to claim 1, characterized in that: The driving mechanism includes several driving columns (8) that are fixedly connected to one side of the MPP cable protection pipe body (1). A driving groove (9) that is adapted to the several driving columns (8) is opened on one side of the MPP cable protection pipe body (1). The several driving columns (8) are slidably connected in the driving groove (9).
4. The MPP cable protection pipe for easy splicing according to claim 3, characterized in that: Several drive columns (8) are provided with several toothed grooves (10) on their surfaces to drive several connecting plates (3) to rotate. Several gears (11) are rotatably connected inside the body (1) of the MPP cable protection pipe. Several gears (11) are fixedly connected to one end of several connecting plates (3), and several gears (11) mesh with several toothed grooves (10).
5. The MPP cable protection pipe for easy splicing according to claim 4, characterized in that: The surfaces of the connecting plates (3) are provided with several through holes (12) to facilitate the connection of several fixing bolts (5). The first connecting ring (2) is provided with several threaded holes (13) on one side to connect with several fixing bolts (5). One end of several fixing bolts (5) passes through several through holes (12) and is threaded into several threaded holes (13).
6. The MPP cable protection conduit for easy splicing according to claim 1, characterized in that: The synchronous rotation mechanism includes several drive wheels (14) that are fixedly connected to one end of several fixed bolts (5). The drive wheels (14) are rotatably connected inside the second connecting ring (4). The second connecting ring (4) is rotatably connected to a toothed ring (15) that drives the drive wheels (14) to rotate. The toothed ring (15) meshes with the drive wheels (14).
7. The MPP cable protection conduit for easy splicing according to claim 6, characterized in that: The stabilizing mechanism includes a stabilizing ring (16) fixedly connected to the surface of the toothed ring (15). The stabilizing ring (16) has a threaded groove (17) inside that connects to the first connecting ring (2). The surface of the first connecting ring (2) has a threaded groove (18). The threaded groove (17) and the threaded groove (18) are threadedly connected.
8. The MPP cable protection conduit for easy splicing according to claim 7, characterized in that: The surface of the stabilizing ring (16) is provided with an anti-slip groove (19) to facilitate the rotation of the stabilizing ring (16). Rotating the stabilizing ring (16) causes the threaded groove one (17) to be threadedly connected to the threaded groove two (18).
9. The MPP cable protection conduit for easy splicing according to claim 1, characterized in that: One end of the second connecting ring (4) contacts the surface of the connecting plate (3), which facilitates locking and fixing the second connecting ring (4) to the connecting plate (3).
10. The MPP cable protection conduit for easy splicing according to claim 9, characterized in that: A compression pad (20) is fixedly connected to the surface of the connecting plate (3) for buffering when the second connecting ring (4) compresses the connecting plate (3).