Quick-connection MPP electric power tube convenient for threading

Abstract

The utility model relates to the technical field of electric power pipelines, and discloses a quick-connection MPP electric power pipe convenient for threading, which comprises a main body pipe, a threading mechanism and a traction mechanism are arranged on the main body pipe, the threading mechanism comprises a threading assembly and a fixing assembly, the threading assembly is arranged in the main body pipe in a sliding manner, the threading assembly is used for threading a cable, and the fixing assembly is used for fixing the cable. The fixing assembly is arranged on the threading assembly, and the fixing assembly is used for fixing the cable on the threading assembly. According to the utility model, the cable is arranged on the threading assembly in a penetrating manner, and then the cable is fixed on the threading assembly through the fixing assembly. The threading assembly is driven by the traction mechanism to horizontally slide in the main body pipe, so that the cable can be driven to be arranged in the main body pipe in a penetrating manner, and the problem that the threading operation is inconvenient due to the fact that the cable is easily wound together during threading is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power pipelines, in particular to a quick-connect MPP electric power pipe that is convenient for threading. Background Art

[0002] MPP pipe, also known as MPP power cable protection pipe, is divided into trench type and trenchless type. MPP trenchless pipe is also called MPP jacking pipe or dragging pipe. MPP pipe uses modified polypropylene as the main raw material. It has the characteristics of high temperature resistance and external pressure resistance. It is suitable for medium and low voltage transmission line cable pipes below 10KV. It does not require a large amount of mud, excavation and damage to the road surface. It is a construction project for laying pipelines and cables in special areas such as roads, railways, buildings, and under riverbeds.

[0003] When workers install lines, they usually just thread one or more lines into the MPP communication tube. However, MPP communication tubes are generally long, which makes the threading operation difficult. Especially when threading multiple lines at the same time, it is not only troublesome, but the cables are also easily tangled together, making installation inconvenient. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a quick-connect MPP power pipe that is convenient for threading, which solves the problem that cables are easily tangled together during threading operations, making the threading operation inconvenient.

[0005] The utility model solves the above technical problems through the following technical means: a quick-connect MPP power pipe that is convenient for threading, comprising a main body pipe, a threading mechanism detachably connected to the main body pipe, the threading mechanism comprising a threading assembly and a fixing assembly, the threading assembly being slidably arranged in the main body pipe, the threading assembly being used for threading cables, the fixing assembly being arranged on the threading assembly, and the fixing assembly being used for fixing cables on the threading assembly.

[0006] Furthermore, a slide groove is provided on the main body tube, and the threading assembly includes a threading coil, which is coaxially arranged in the main body tube. A first through hole is provided on the side wall of the threading coil perpendicular to the central axis, and the cable can pass through the first through hole. A slider is fixedly installed on the side wall of the threading coil close to the main body tube, and the slider is arranged in cooperation with the slide groove. A fixing groove is provided on the side wall of the threading coil away from the main body tube, and the fixing assembly is arranged on the threading coil.

[0007] Furthermore, the fixing assembly includes a fixing rod and a fixing portion, the fixing rod is horizontally fixedly installed on the wire loop, and both ends of the fixing rod are arranged in the fixing groove, and a second through hole and a screw hole are respectively opened on the side walls on the adjacent two sides of the fixing rod, the cable can pass through the second through hole, and a bolt is threadedly connected to the screw hole, and the bolt can be abutted against the cable, and the fixing portion is arranged on the fixing rod, and the fixing portion is used to fix the cable passing through the first through hole.

[0008] Furthermore, the fixing part includes a fixing tube, a sliding rod and a limit block, the fixing tube is vertically fixedly installed on the side wall of the fixing rod close to the screw hole, a spring is fixedly installed in the fixing tube, the sliding rod is slidably set in the fixing tube, and one end of the sliding rod is fixedly installed on the spring, the limit block is fixedly installed on the other end of the sliding rod, and the limit block is slidably set in the fixing groove, and the side of the limit block away from the sliding rod can be against the cable passing through the first through hole.

[0009] Furthermore, a toggle rod is fixedly mounted on the side wall of the sliding rod.

[0010] Furthermore, the fixing parts are divided into two groups, and the two groups of fixing parts are symmetrically arranged along the horizontal center plane of the fixing rod.

[0011] Furthermore, one end of the main body tube is provided with an external thread, and the other end of the main body tube is provided with an internal thread.

[0012] Furthermore, a traction mechanism is also provided on the main body tube, and the traction mechanism can be threadedly connected to the main body tube, and the traction mechanism is used to drive the cable to move horizontally in the main body tube.

[0013] Furthermore, the traction mechanism includes a mounting sleeve, an active roller and a traction rope, the mounting sleeve is threadedly connected to the internal thread, the active roller is rotatably connected in the mounting sleeve, the traction rope is wound on the active roller, and one end of the traction rope is fixedly mounted on the active roller, and the other end of the traction rope can be arranged on the threading mechanism.

[0014] Furthermore, a hand wheel is rotatably connected to the outer side wall of the mounting sleeve, and the hand wheel is used to drive the active roller to rotate.

[0015] Beneficial effects of the utility model:

[0016] 1. Put the cable through the threading assembly, and then fix the cable on the threading assembly through the fixing assembly. The threading assembly slides horizontally in the main tube to drive the cable to be threaded in the main tube, avoiding the problem that the cables are easily tangled together during threading, which is inconvenient for threading operation.

[0017] 2. Through the setting of the traction mechanism, the threading mechanism can be driven to slide horizontally in the main tube, thereby driving the cable to move horizontally in the main tube, making threading more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0019] Figure 1 This is an axial view of a quick-connect MPP power pipe that is convenient for threading;

[0020] Figure 2 It is a cross-sectional view of a quick-connect MPP power pipe for easy threading of the utility model;

[0021] Figure 3 It is an isometric view of a wire threading mechanism in a quick-connect MPP power pipe for convenient wire threading of the utility model;

[0022] Figure 4 The utility model is an isometric view of a quick-connect MPP electric power pipe wire feeding mechanism which is convenient for threading.

[0023] in:

[0024] 1. Main tube; 101. Internal thread; 102. External thread; 103. Slide groove;

[0025] 2. Threading mechanism; 201. Threading coil; 2011. First through hole; 2012. Sliding block; 2013. Fixing slot; 202. Fixing rod; 2021. Second through hole; 2022. Screw hole; 203. Bolt; 204. Fixing cylinder; 205. Sliding rod; 206. Limiting block; 207. Spring; 208. Toggle rod;

[0026] 3. Traction mechanism; 301. Mounting sleeve; 302. Active roller; 303. Traction rope; 304. Hand wheel. DETAILED DESCRIPTION

[0027] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are only for exemplary descriptions, and they are only schematic diagrams, not physical diagrams, and cannot be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts in the figures may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the figures may be omitted.

[0028] The same or similar numbers in the figures of the embodiments of the present invention correspond to the same or similar parts. In the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the figure. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the figures are only used for illustrative purposes and cannot be understood as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. In the description of this application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0030] like Figure 1-Figure 4 As shown, the utility model is a quick-connect MPP power pipe that is convenient for threading, including a main body pipe 1, a threading mechanism 2 is arranged inside the main body pipe 1, a traction mechanism 3 is arranged on the main body pipe 1, one end of the main body pipe 1 is provided with an external thread 102, and the other end of the main body pipe 1 is provided with an internal thread 101, the traction mechanism 3 can be threadedly connected with the internal thread 101 of the main body pipe 1, the threading mechanism 2 includes a threading assembly and a fixing assembly, the threading assembly is slidably arranged in the main body pipe 1, and the fixing assembly is arranged on the threading assembly.

[0031] like Figure 2 and Figure 3 As shown, a slide groove 103 is provided on the main body tube 1, and the threading assembly includes a threading coil 201, which is coaxially arranged in the main body tube 1. A first through hole 2011 is provided on the side wall of the threading coil 201 perpendicular to the central axis, and the cable can pass through the first through hole 2011. A slider 2012 is integrally formed on the outer wall of the threading coil 201, and the slider 2012 is arranged in cooperation with the slide groove 103. The slider 2012 can slide horizontally in the slide groove 103. Both the slider 2012 and the slide groove 103 can be several, preferably four here. A fixing groove 2013 is provided on the inner wall of the threading coil 201, and the fixing assembly is arranged on the threading coil 201.

[0032] like Figure 3As shown, the fixing assembly includes a fixing rod 202 and a fixing portion. The fixing rod 202 is horizontally welded on the wire loop 201, and both ends of the fixing rod 202 are arranged in the fixing groove 2013. Second through holes 2021 and screw holes 2022 are respectively opened on the side walls on the adjacent sides of the fixing rod 202. Both the second through holes 2021 and the screw holes 2022 can be several, preferably four cables can pass through the second through holes 2021, the internal thread 101 of the screw hole 2022 is connected with a bolt 203, and the bolt 203 can be against the cable, and the fixing portion is arranged on the fixing rod 202.

[0033] like Figure 2 and Figure 3 As shown, the fixing part includes a fixing cylinder 204, a sliding rod 205 and a limit block 206. The fixing cylinder 204 is vertically welded on the side wall of the screw hole 2022 of the fixing rod 202. A spring 207 is welded inside the fixing cylinder 204. The sliding rod 205 is slidably arranged in the fixing cylinder 204. A toggle rod 208 is welded on the side wall of the sliding rod 205, and one end of the sliding rod 205 is welded to the spring 207. The limit block 206 is glued to the other end of the sliding rod 205, and the limit block 206 is slidably arranged in the fixing groove 2013. The side of the limit block 206 away from the sliding rod 205 can be offset against the cable passing through the first through hole 2011. The fixing part is divided into two groups, and the two groups of fixing parts are symmetrically arranged along the horizontal center plane of the fixing rod 202.

[0034] like Figure 1 and Figure 4 As shown, the traction mechanism 3 includes a mounting sleeve 301, an active roller 302 and a traction rope 303. The mounting sleeve 301 is threadedly connected to the internal thread 101, the active roller 302 is rotatably connected in the mounting sleeve 301, the traction rope 303 is wound on the active roller 302, and one end of the traction rope 303 is glued to the active roller, and the other end of the traction rope 303 can be set on the threading mechanism 2. A hand wheel 304 is rotatably connected to the outer wall of the mounting sleeve 301, and the hand wheel 304 is used to drive the active roller 302 to rotate.

[0035] The operating principle of the utility model is as follows:

[0036] 1. When it is necessary to thread the cable, put the threading mechanism 2 into the main tube 1 and place it on the side of the main tube 1 close to the internal thread 101, so that the slider on the threading loop 201 is slidably connected in the slide groove 103, and then the traction mechanism 3 is threadedly connected to the internal thread 101 of the main tube 1, and the traction rope 303 is glued to the threading loop 201, and the threading loop 201 is pushed to make the threading loop 201 close to the side of the external thread 102.

[0037] 2. Pass a portion of the cable through the second through hole 2021 , and then tighten the bolt 203 at the screw hole 2022 so that the lower end of the bolt 203 abuts against the cable, and fix the cable to the fixing rod 202 .

[0038] 3. Drive the sliding rod 205 to slide into the fixed tube 204 by the toggle rod 208, thereby driving the limit block 206 to slide in the fixed groove 2013 toward the fixed rod 202, and pass the remaining part of the cable into the first through hole 2011 respectively, loosen the toggle rod 208, so that the limit block 206 and the cable passing through the first through hole 2011 are abutted.

[0039] 4. The active roller 302 is driven to rotate by the hand wheel 304. When the active roller 302 rotates, the traction rope 303 will be gradually wound around the active roller 302, so that the threading coil 201 gradually moves toward the direction of the traction mechanism 3. The slider 2012 slides in the slide groove 103 in the main tube 1, thereby driving the cable to be threaded in the main tube 1, and the threading is completed, avoiding the problem that the cables are easily entangled during threading, which is inconvenient for the threading operation.

[0040] 5. When it is necessary to thread the cable into another main tube 1, the threading mechanism 2 and the traction mechanism 3 can be removed from the main tube 1, and steps 1-4 can be repeated.

[0041] 6. When the other end of the main body pipe 1 needs to be connected, the internal threads 101 and the external threads 102 on the two main body pipes 1 can be quickly installed and operated easily.

[0042] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model. The technology, shape, and structure that are not described in detail in the utility model are all well-known technologies.

Claims

1. A quick-connect MPP power pipe that is convenient for threading, comprising a main pipe, characterized in that: A threading mechanism is detachably connected inside the main body tube, and the threading mechanism includes a threading assembly and a fixing assembly. The threading assembly is slidably arranged inside the main body tube, and the threading assembly is used to thread cables. The fixing assembly is arranged on the threading assembly, and the fixing assembly is used to fix the cables on the threading assembly. A slide groove is provided on the main body tube, and the threading assembly includes a threading coil, and the threading coil is coaxially arranged inside the main body tube. A first through hole is provided on the side wall of the threading coil perpendicular to the central axis, and the cable can pass through the first through hole. A slider is fixedly installed on the side wall of the threading coil close to the main body tube, and the slider is arranged in cooperation with the slide groove. A fixing groove is provided on the side wall of the threading coil away from the main body tube, and the fixing assembly is provided on the threading coil.

2. The quick-connect MPP power pipe for easy threading according to claim 1 is characterized by: The fixing assembly includes a fixing rod and a fixing part, the fixing rod is horizontally fixedly installed on the wire loop, and both ends of the fixing rod are arranged in the fixing groove, the side walls on the adjacent two sides of the fixing rod are respectively provided with a second through hole and a screw hole, the cable can pass through the second through hole, the screw hole is threadedly connected with a bolt, and the bolt can be abutted against the cable, the fixing part is arranged on the fixing rod, and the fixing part is used to fix the cable passing through the first through hole.

3. The quick-connect MPP power pipe for easy threading according to claim 2 is characterized by: The fixing part includes a fixing tube, a sliding rod and a limit block. The fixing tube is vertically fixedly installed on the side wall of the fixing rod close to the screw hole. A spring is fixedly installed in the fixing tube. The sliding rod is slidably arranged in the fixing tube, and one end of the sliding rod is fixedly arranged on the spring. The limit block is fixedly installed on the other end of the sliding rod, and the limit block is slidably arranged in the fixing groove. The side of the limit block away from the sliding rod can be against the cable passing through the first through hole.

4. The quick-connect MPP power pipe for easy threading according to claim 3 is characterized by: A toggle rod is fixedly mounted on the side wall of the sliding rod.

5. The quick-connect MPP power pipe for easy threading according to claim 4 is characterized in that: The fixing parts are divided into two groups, and the two groups of fixing parts are symmetrically arranged along the horizontal center plane of the fixing rod.

6. The quick-connect MPP power pipe for easy threading according to claim 1 is characterized in that: One end of the main body pipe is provided with an external thread, and the other end of the main body pipe is provided with an internal thread.

7. The quick-connect MPP power pipe for easy threading according to claim 6, characterized in that: The main body tube is also provided with a traction mechanism, which can be threadedly connected with the main body tube and is used to drive the threading mechanism to move horizontally in the main body tube.

8. The quick-connect MPP power pipe for easy threading according to claim 7, characterized in that: The traction mechanism includes a mounting sleeve, an active roller and a traction rope. The mounting sleeve is threadedly connected to the internal thread, the active roller is rotatably connected in the mounting sleeve, the traction rope is wound on the active roller, and one end of the traction rope is fixedly mounted on the active roller, and the other end of the traction rope can be arranged on the threading mechanism.

9. The quick-connect MPP power pipe for easy threading according to claim 8, characterized in that: A hand wheel is rotatably connected to the outer side wall of the mounting sleeve, and the hand wheel is used to drive the active roller to rotate.

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