CN115000894B

CN115000894B - Communication pipeline convenient to transmission line lays

Info

Publication number: CN115000894B
Application number: CN202210640943.5A
Authority: CN
Inventors: 李成才; 李亦舒; 郑殿宇; 关雪红; 刘思廷; 王欣
Original assignee: Harbin Jinyun Technology Co ltd
Current assignee: Harbin Jinyun Technology Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-06-30
Anticipated expiration: 2042-06-08
Also published as: CN115000894A

Abstract

The invention discloses a communication pipeline convenient for laying a transmission line, which belongs to the technical field of communication pipelines and comprises a PVC pipe, a clamping device, an extrusion device, a triangular supporting device, a fixing device and a travelling mechanism which are in butt joint.

Description

Communication pipeline convenient to transmission line lays

Technical Field

The invention relates to the technical field of communication pipelines, in particular to a communication pipeline convenient for laying a transmission line.

Background

The transmission line is a line for connecting nodes in a communication network, and has the function of a bridge for data transmission among the nodes, including communication cables, optical fibers, optical cables and the like, and is generally buried underground, not easily damaged by the outside and influenced by the environment, and has more reliable operation, and specifically comprises the following steps: when the transmission line is laid underground, the communication pipeline needs to be buried in the foundation, most communication pipelines in the market at present all adopt corrugated pipes and plum blossom pipes, but most of the pipelines are integrated, when the communication cable needs to be laid in the pipelines, the communication cable is wound on the wire frame before being laid, so that the communication cable is in an arc state, the communication cable is inconvenient to lay in the communication pipeline, particularly when the communication cable is laid at the communication pipeline switching position, one end of the communication cable is easy to be blocked, the wire arrangement is inconvenient, for example, CN202121708529.0 discloses a communication pipeline convenient to walk, the communication pipeline comprises a communication pipeline, a connecting device is arranged at one end of the communication pipeline, T-shaped sliding grooves are arranged in the inner cavity of the communication pipeline, a clamping device is slidingly connected to the inner cavity of the communication pipeline through the T-shaped sliding grooves, and an extrusion device is arranged at one end, close to the outer surface of the communication pipeline, and the extrusion device is arranged at one end, so that the scheme relates to the technical field of the communication pipeline convenient to walk. The communication pipeline convenient to route solves the problem that the conventional communication pipeline is inconvenient to lay a communication line, but when the pipeline is used, a plurality of clamping devices are needed, and most of the clamping devices are finally left in the pipeline and cannot be completely recycled, so that the communication pipeline convenient to lay a transmission line is limited.

Disclosure of Invention

The invention aims to provide a communication pipeline convenient for laying a transmission line, so as to solve the problems that most of clamping devices in the prior device provided in the background art are left in the pipeline, cannot be completely recycled and have limitation.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a communication pipeline convenient to transmission line lays, includes PVC tubular product, clamping device, extrusion device, triangle-shaped strutting arrangement, fixing device and running gear of dock, the both ends of PVC tubular product are the flaring and the throat setting of mutually supporting, and both sides dock the outer wall of PVC pipeline all centre gripping has clamping device, two connect through extrusion device between clamping device's the top, running gear is all installed to triangle-shaped strutting arrangement's three outer ends, running gear laminating is on the inner wall of PVC tubular product, fixing device fixes at triangle-shaped strutting arrangement's surface central authorities.

Preferably, the clamping device comprises an incomplete circular clamping groove, an incomplete outer gear ring is slidably clamped in an inner cavity of the incomplete circular clamping groove, the inner surfaces of the incomplete circular clamping groove and the incomplete outer gear ring are co-curved, a baffle is fixed at one end of the inner cavity of the incomplete circular clamping groove, a first driving shaft is installed in a protruding rotation mode between the front surface and the rear surface of the other end of the inner cavity of the incomplete circular clamping groove, a transmission gear meshed with the incomplete outer gear ring is fixedly sleeved on the front side of the outer wall of the first driving shaft, a ratchet pawl assembly is installed between the surface of the incomplete circular clamping groove and the outer end of the first driving shaft, a first hexagonal prism is installed in a penetrating rotation mode through a leakage-proof bearing on the peripheral surface of the incomplete circular clamping groove, and the inner end of the first hexagonal prism is connected with the rear side of the outer wall of the first driving shaft through a bevel gear pair.

Preferably, arc-shaped sliding grooves are formed in the front and the rear of the inner side of the opening of the incomplete circular clamping groove, and limiting columns clamped in the inner cavities of the arc-shaped sliding grooves are uniformly distributed on the front and the rear surfaces of the incomplete outer gear rings at intervals in a circular shape.

Preferably, the inner wall horizontal center of incomplete outer ring gear is provided with one end open-ended spacing draw-in groove, the inner chamber slip joint of spacing draw-in groove has the arc square pole, the inner of arc square pole is connected with the inner of spacing draw-in groove through first spacing spring, equal interval relative fixation has a plurality of pairs of dogs around the opening inboard of spacing draw-in groove, still even interval is installed a plurality of triangular block through blind hole and torsional spring rotation around the opening outside of spacing draw-in groove, the fixed surface of arc square pole has the inclined block that can promote triangular block pivoted.

Preferably, the extrusion device comprises threaded hole blocks welded at the top of the clamping device, a double-head threaded rod penetrates and is inserted between two adjacent threaded hole blocks, a locking nut is screwed on the outer wall of the double-head threaded rod, and the locking nut is attached to the outer side of the threaded hole blocks.

Preferably, the triangle-shaped strutting arrangement includes horizontal installation cylinder piece, the outer wall top vertical fixation of installation cylinder piece has first bracing piece, the both sides of installation cylinder piece are provided with arc open slot about first bracing piece symmetry, the inner wall central authorities of arc open slot install the spherical hinge, the rotation end of spherical hinge is fixed with the second bracing piece, the second bracing piece extends to the part in installation cylinder piece outside and first bracing piece isometric, the inner wall front and back relative built-in of arc open slot is fixed with the arc rack, the surface inboard of second bracing piece is provided with the rectangular channel, the inner chamber middle part of rectangular channel is fixed with first hole piece, the inner chamber horizontal slip grafting of first hole piece has the I-shaped pole, the inner relative fixed with a pair of second hole piece in both sides around the inner chamber of rectangular channel, the sliding is provided with the inserted bar that extends to first bracing piece outside and peg graft in arc rack chamber on the second hole piece, the outside cover of inserted bar is equipped with one end and its fixed surface and the second spacing spring of other end and second hole piece outer wall fixed, the inner end is fixed with the wire rope between the wire rope inner end of wire rope laminating.

Preferably, the outer end of the installation cylindrical block is coaxially fixed with a circular dial, and the center of the outer side of the second support rod is horizontally fixed with a marking line.

Preferably, the fixing device comprises a transversely arranged fixing cylinder with an outward opening, two pairs of spline shaft spline sleeve assemblies are installed on the periphery of the outer wall of the fixing cylinder at uniform intervals in a rotating mode, the spline sleeve of the spline shaft spline sleeve assembly is connected with the surface of the fixing cylinder in a rotating mode through a bearing, the inner side of the outer wall of the spline shaft spline sleeve assembly is in threaded connection with the fixing cylinder through threads, an arc-shaped pressing block is installed on the inner end of the spline shaft spline sleeve assembly in a rotating mode, a connecting circular ring is fixedly sleeved at the outer end of the spline sleeve of the spline shaft spline sleeve assembly, a plurality of rotating rods are fixed on the outer wall of the connecting circular ring at uniform intervals, a disc is installed on the outer wall of the fixing cylinder in a rotating mode through a bearing, a side gear ring is fixedly embedded in the outer side of the disc in a meshed mode, and a plastic five-star handle bolt is perpendicularly connected on the inner side of the disc in a penetrating mode through a fixing connecting plate.

Preferably, a conical rubber sleeve is fixedly adhered to the inner side of the opening of the fixed cylinder, and a throat hoop is sleeved on the outer wall of the conical rubber sleeve.

Preferably, the running gear includes the fixed block, the outer terminal surface central authorities of fixed block are fixed with the straight line wheel, the both sides of fixed block all are fixed with the hollow block, the inner chamber middle part of hollow block is fixed with the third hole piece, the threaded rod thread bush subassembly that runs through and extends to the hollow block top is installed in perpendicular rotation on the third hole piece, the second drive shaft that extends to the hollow block front side is installed in the rotation of the below of third hole piece, the outer wall of second drive shaft passes through bevel gear pair with the threaded rod bottom of threaded rod thread bush subassembly and is connected, the outer end of second drive shaft is fixed with the hand wheel, threaded rod thread bush subassembly's thread bush top is fixed with the connecting block, the outside of connecting block is fixed with the universal ball.

Compared with the prior art, the invention has the beneficial effects that: according to the PVC pipe butt joint device, the PVC pipe is buried underground, the PVC pipe at two ends is clamped through the clamping devices, the clamping devices at two sides are moved relatively through the extruding devices, further long-distance butt joint of the PVC pipe is completed, then an integral structure formed by the triangular supporting device, the fixing device and the travelling mechanism is placed at a PVC pipe port, a cable is connected with the fixing device, the cable is pushed into the PVC pipe through a cable blowing machine arranged outside, and meanwhile, the head of the integral cable formed by the triangular supporting device, the fixing device and the travelling mechanism is moved in a hanging mode, blocking is avoided, the cable is conveniently laid, and integral equipment formed by the triangular supporting device, the fixing device and the travelling mechanism can be reused, so that the PVC pipe butt joint device is creative.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the clamping device of FIG. 1;

FIG. 4 is a top view of the incomplete outer ring gear of FIG. 3;

FIG. 5 is a schematic view of the triangular support device of FIG. 2;

FIG. 6 is an enlarged view of a portion of FIG. 2;

FIG. 7 is a schematic view of the fixing device shown in FIG. 2;

fig. 8 is a schematic view of the travel mechanism of fig. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1-PVC pipe, 2-clamping device, 3-extrusion device, 4-triangle supporting device, 5-fixing device, 6-running mechanism, 20-incomplete round clamping groove, 21-incomplete outer gear ring, 22-arc chute, 23-limit post, 24-baffle, 25-first driving shaft, 26-first hexagonal prism, 27-transmission gear, 210-limit clamping groove, 211-arc square bar, 212-first limit spring, 213-baffle, 214-oblique block, 215-triangular block, 30-threaded hole block, 31-double-head threaded rod, 32-locking nut, 400-installation cylindrical block, 401-first supporting rod, 402-arc open slot, 403-spherical hinge, 404-second supporting rod, 405-arc rack, 406-rectangular groove, 407-first hole block, 408-I-shaped rod, 409-second hole block, 410-inserting rod, 411-second limit spring, 412-steel wire rope, 50-fixed cylinder, 51-spline shaft spline housing component, 52-arc pressing block, 53-connection circular ring, 54-rotating rod, 55-disc, 56-side gear ring, 57-plastic five-star handle bolt, 60-fixed block, 61-straight running wheel, 62-hollow block, 63-third hole block, 64-threaded rod thread housing component, 65-second driving shaft, 66-hand wheel, 67-connecting block, 68-second hexagonal prism, 69-universal ball.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a communication pipeline convenient to transmission line lays, including PVC tubular product 1 of butt joint, clamping device 2, extrusion device 3, triangle-shaped strutting arrangement 4, fixing device 5 and running gear 6, and PVC tubular product 1's both ends are the flaring and the throat setting of mutually supporting, make things convenient for two adjacent PVC tubular product 1 can dock stably, the inside and outside is on same curved surface simultaneously, clamping device 2 has all been centre gripping to the outer wall of PVC tubular product 1 of both sides butt joint, connect through extrusion device 3 between the top of two clamping devices 2, running gear 6 is all installed to triangle-shaped strutting arrangement 4's three outer ends, running gear 6 laminating is on PVC tubular product 1's inner wall, fixing device 5 is fixed in triangle-shaped strutting arrangement 4's surface central authorities, wherein, extrusion device 3 includes the threaded hole piece 30 of welding at clamping device 2 top, run through the grafting between two adjacent threaded hole pieces 30 has threaded rod 31, the outer wall spiro union of threaded rod 31 has lock nut 32, and lock nut 32 laminating in threaded hole piece 30 outside, can make clamping device 2 relative movement through the lock nut 32 of both sides, and then make PVC tubular product 1 extrusion butt joint stable;

the method comprises the following steps: firstly, slotting on the soil of a circuit to be buried, lifting the PVC pipe 1 into a slot on the soil, clamping and fixing the clamping device 2 at the end part of the PVC pipe 1, then installing the double-head threaded rod 31 and the locking nut 32, rotating the locking nuts 32 at two sides by using a wrench to enable the clamping devices 2 at two sides to move relatively, extruding and butting the PVC pipe 1 at two sides, adjusting the triangular supporting device 4 to enable the travelling mechanism 6 to be attached to the inner wall of the PVC pipe 1, finally connecting the cable head with the fixing device 5, pushing the cable to move by using an external cable blowing machine, and further enabling the cable head to be suspended because the triangular supporting device 4 can keep stable and move forwards and backwards on the inner wall of the PVC pipe 1, so that friction with the inner wall of the PVC pipe 1 can be avoided, and the cable is convenient to lay.

Referring to fig. 3, the clamping device 2 includes an incomplete circular clamping groove 20, and an incomplete outer gear ring 21 is slidably clamped in an inner cavity of the incomplete circular clamping groove 20, specifically: the utility model provides a non-complete circular draw-in groove 20 opening inboard all is provided with arc spout 22 around, the front and back surface of non-complete outer ring gear 21 evenly is circular distribution and has the spacing post 23 of card at arc spout 22 inner chamber, the inner surface co-curved surface of non-complete circular draw-in groove 20 and non-complete outer ring gear 21, the inner chamber one end of non-complete circular draw-in groove 20 is fixed with baffle 24, protruding rotation installs first drive shaft 25 between the front and back surface of the inner chamber other end of non-complete circular draw-in groove 20, the fixed transmission gear 27 that has cup jointed with non-complete outer ring gear 21 of outer wall front side of first drive shaft 25, install ratchet pawl subassembly between the surface of non-complete circular draw-in groove 20 and the outer end of first drive shaft 25, wherein, pawl damping rotation is installed on the surface of non-complete circular draw-in groove 20, and the outer end at first drive shaft 25 is established to the ratchet fixed cover, the inner surface co-curved surface of non-complete circular draw-in groove 20 runs through the bearing and rotates and installs first hexagonal prism 26, the inner end of first hexagonal prism 26 is connected with the outer wall rear side of first drive shaft 25 through bevel gear pair, utilize spanner rotation first hexagonal prism 26 can make gear 25 can rotate under the effect with non-complete outer ring gear 21 and non-complete outer ring gear 21, can avoid the non-complete rotation of non-complete outer ring gear 21 to rotate at the same time because of non-complete outer ring gear 21, can rotate at the non-complete outer ring gear 21, and non-complete outer ring gear 21 is in order to prevent the non-complete outer ring gear 20, and the non-complete outer ring gear 20 is free from rotating, can rotate, and prevent the anti-leakage.

Referring to fig. 4, a limiting slot 210 with an opening at one end is arranged at the horizontal center of the inner wall of the incomplete outer gear ring 21, an arc square rod 211 is slidably clamped in the inner cavity of the limiting slot 210, the inner end of the arc square rod 211 is connected with the inner end of the limiting slot 210 through a first limiting spring 212, a plurality of pairs of stoppers 213 are uniformly and relatively fixed at intervals around the opening inner side of the limiting slot 210, a plurality of triangular blocks 215 are rotatably arranged between the front side and the rear side of the opening outer side of the limiting slot 210 at uniform intervals through a blind hole and a torsion spring, the torsion spring is sleeved at two ends of the triangular blocks 215, one end of the torsion spring is connected with the outer wall of the triangular blocks 215, the other end of the torsion spring is fixed with the inner wall of the blind hole, an inclined block 214 capable of pushing the triangular blocks 215 to rotate is fixed on the surface of the arc square rod 211, when the incomplete outer gear ring 21 rotates towards the baffle 24, the arc square rod 211 is extruded inwards, the first limiting spring 212 is contracted, the inclined block 214 pushes the triangular blocks 215 to rotate, the triangular blocks 215 originally positioned on the inner sides of the limiting slot 210 to outwards rotate, the triangular blocks 215, the outer sides of the outer walls of the triangular blocks 215 are pressed against the outer wall of the PVC pipe 1, and the friction is increased by increasing the positive pressure, and the movement of the clamping device 2 is prevented.

Referring to fig. 5-6, the triangular support device 4 includes a horizontal mounting cylindrical block 400, a first support bar 401 is vertically fixed on the top of the outer wall of the mounting cylindrical block 400, two sides of the mounting cylindrical block 400 are symmetrically provided with arc-shaped open slots 402 about the first support bar 401, a spherical hinge 403 is installed in the center of the inner wall of the arc-shaped open slots 402, a second support bar 404 is fixed at the rotating end of the spherical hinge 403, the part of the second support bar 404 extending to the outer side of the mounting cylindrical block 400 is equal to the first support bar 401, arc-shaped racks 405 are fixed in front and back of the inner wall of the arc-shaped open slots 402, rectangular slots 406 are arranged on the inner side of the surface of the second support bar 404, a first hole block 407 is fixed in the middle of the inner cavity of the rectangular slots 406, an i-shaped rod 408 is horizontally and slidably inserted in the inner cavity of the first hole block 407, a pair of second hole blocks 409 are relatively fixed at the inner ends of the front side and the rear side of the inner cavity of the rectangular groove 406, a plug rod 410 extending to the outer side of the first support rod 404 and inserted into a tooth cavity of the arc-shaped rack 405 is arranged on the second hole blocks 409 in a sliding penetrating mode, a second limit spring 411 with one end fixed with the surface of the plug rod 410 and the other end fixed with the outer wall of the second hole blocks 409 is sleeved on the outer side of the plug rod 410, the inner ends of the plug rod 410 and the inner ends of the I-shaped rods 408 are connected through steel ropes 412, wire wheels attached to the steel ropes 412 are fixed in the inner cavity of the rectangular groove 406, a round dial is coaxially fixed at the outer end of the installation cylindrical block 400, a marking wire is horizontally fixed at the center of the outer side of the second support rod 404, and the rotation angle of the second support rod 404 on two sides is conveniently determined, and the following steps are: according to the diameter of the actual PVC pipe 1, the first support rod 401 and the second support rod 404 with proper lengths are selected, so that the traveling mechanism 6 can be driven to be extruded and attached to the inner wall of the PVC pipe 1, the steel wire rope 412 can be pulled to move inwards by pulling the I-shaped rod 408 outwards, the inserted rod 410 is further separated from the arc-shaped rack 405, meanwhile, the second support rod 404 can be rotated up and down by utilizing the spherical hinge 403, the included angle between the second support rods 404 on two sides is smaller than 180 degrees, and the triangular support device 4 can ensure that the fixing device 5 is suspended.

Referring to fig. 7, the fixing device 5 includes a fixing cylinder 50 with a transverse opening facing outward, the inner side of the fixing cylinder 50 is fixedly connected with the center of the outer end of the mounting cylindrical block 400, two pairs of spline shaft spline housing assemblies 51 are uniformly and rotatably installed around the outer wall of the fixing cylinder 50 at intervals, the spline housing of the spline shaft spline housing assemblies 51 is rotatably connected with the surface of the fixing cylinder 50 through a bearing, the inner side of the spline shaft outer wall of the spline shaft spline housing assemblies 51 is in threaded connection with the fixing cylinder 50 through threads, an arc-shaped pressing block 52 is rotatably installed at the inner end of the spline shaft spline housing assemblies 51, a connecting circular ring 53 is fixedly sleeved at the outer end of the spline housing of the spline shaft spline housing assemblies 51, a plurality of rotating rods 54 are uniformly and fixedly arranged at intervals on the outer wall of the connecting circular ring 53, a disc 55 is rotatably installed on the outer wall of the fixing cylinder 50 through a bearing, a side gear ring 56 is fixedly embedded in the outer side of the disc 55, the rotating rods 54 are engaged in a gear cavity of the insertion side gear ring 56, the inner side of the disc 55 is vertically penetrated and screwed with a plastic five-star handle bolt 57 through a fixed connecting plate, the plastic five-star handle bolt 57 is firstly screwed out to separate the plastic five-star handle bolt 57 from the outer wall of the fixed cylinder 50, then the rotating side gear ring 56 can drive the rotating rod 54 and the connecting circular ring 53 to rotate through the rotating disc 55, the spline housing drives the spline shaft to rotate, the spline shaft is connected with the fixed cylinder 50 through threads, the spline shaft can be further driven to rotate forward and backward through the spline housing to drive the spline shaft to rotate in and out, the clamping of the arc pressing block 52 to the cable is realized, the plastic five-star handle bolt 57 is screwed into and extrudes the outer wall of the fixed cylinder 50, the arc pressing block 52 is prevented from being clamped loose due to the rotation of the disc 55, meanwhile, the inner side of the opening of the fixed cylinder 50 is fixedly adhered with a conical rubber housing, the outer wall of the conical rubber housing is sleeved with a throat hoop, and a cable is inserted into the conical rubber housing and fixed through the throat hoop, moisture is reduced from entering the stationary drum 50 and affecting subsequent operation of the cable.

Referring to fig. 8, the travelling mechanism 6 includes a fixed block 60, the fixed block 60 is fixedly connected with a second support bar 404 and the outer end of a first support bar 401, a straight-running wheel 61 is fixed in the center of the outer end surface of the fixed block 60, the straight-running wheel 61 is attached to the inner wall of the PVC pipe 1 and moves, hollow blocks 62 are fixed on both sides of the fixed block 60, a third hole block 63 is fixed in the middle of the inner cavity of the hollow block 62, a threaded rod thread sleeve assembly 64 extending to the top of the hollow block 62 is vertically and rotatably mounted on the third hole block 63, a second driving shaft 65 extending to the front side of the hollow block 62 is rotatably mounted below the third hole block 63, the outer wall of the second driving shaft 65 is connected with the bottom of the threaded rod thread sleeve assembly 64 through a bevel gear pair, a hand wheel 66 is fixed on the outer end of the second driving shaft 65, can make second drive shaft 65 rotate through rotating hand wheel 66, and then utilize the bevel gear pair can make threaded rod thread bush subassembly 64 flexible, threaded rod thread bush subassembly 64's thread bush top is fixed with connecting block 67, the outside of connecting block 67 outside slope spiro union has second hexagonal prism 68, and the outside of connecting block 67 is fixed with universal ball 69, make the outer cambered surface laminating PVC tubular product 1's of universal ball 69 inner wall through adjusting second bracing piece 404 and first bracing piece 401, simultaneously utilize spanner rotatory second hexagonal prism 68, make it infinitely be close to PVC tubular product 1's inner wall, when triangle-shaped strutting arrangement 4 takes place to rotate, the inner wall of PVC tubular product 1 is extruded to second hexagonal prism 68 and universal ball 69, prevent further deflection, reduce deflection amplitude, avoid the cable to rotate and produce the bending in the removal in-process.

When the communication pipeline convenient for laying the transmission line is used, the invention comprises the following steps: the PVC pipe 1 is buried underground, the clamping device 2 with a proper size is sleeved on the outer wall of the PVC pipe 1, the wrench is utilized to rotate the first hexagonal prism 26 to enable the incomplete outer gear ring 21 to rotate towards the baffle 24 to approach, the arc square rod 211 is extruded to move inwards, the first limiting spring 212 is contracted, the arc square rod 211 moves inwards, the inclined block 214 pushes the triangular block 215 to rotate, the triangular block 215 which is originally positioned at the inner side of the limiting clamping groove 210 rotates outwards, the outer wall of the PVC pipe 1 is extruded, friction is increased by increasing positive pressure, the clamping device 2 is prevented from moving, the double-headed threaded rod 31 is inserted between the two adjacent threaded hole blocks 30, the clamping device 2 at two sides is enabled to move relatively by utilizing the locking nut 32 to achieve long-distance butt joint of the PVC pipe 1, then the triangular supporting device 4, the fixing device 5 and the travelling mechanism 6 are connected with the fixing device 1 after the cable passes through the cable blowing machine, the cable is provided with power by the peripheral cable blowing machine, the PVC pipe 1 can move inwards, meanwhile the triangular supporting device 4, the fixing device 5 and the travelling mechanism 6 can be prevented from moving in the air, the head of the triangular supporting device can be prevented from moving repeatedly, and the head of the triangular supporting device can be prevented from moving out, and the travelling mechanism can be formed by the aid of the whole device is convenient to move, and the head of the travelling device is prevented from moving.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Communication pipeline convenient to transmission line lays, including PVC tubular product (1), clamping device (2), extrusion device (3), triangle-shaped strutting arrangement (4), fixing device (5) and running gear (6), its characterized in that: the two ends of the PVC pipe (1) are arranged in a mutually matched flaring and necking way, the outer walls of the PVC pipe (1) which are butted at two sides are respectively clamped with a clamping device (2), the tops of the two clamping devices (2) are connected through an extrusion device (3), three outer ends of the triangular supporting device (4) are respectively provided with a travelling mechanism (6), the travelling mechanisms (6) are attached to the inner wall of the PVC pipe (1), and the fixing device (5) is fixed in the center of the outer surface of the triangular supporting device (4);

the clamping device (2) comprises an incomplete circular clamping groove (20), an incomplete outer gear ring (21) is slidably clamped in an inner cavity of the incomplete circular clamping groove (20), the inner surfaces of the incomplete circular clamping groove (20) and the incomplete outer gear ring (21) are co-curved, a baffle (24) is fixed at one end of the inner cavity of the incomplete circular clamping groove (20), a first driving shaft (25) is installed in a protruding rotation mode between the front surface and the rear surface of the other end of the inner cavity of the incomplete circular clamping groove (20), a transmission gear (27) meshed with the incomplete outer gear ring (21) is fixedly sleeved on the front side of the outer wall of the first driving shaft (25), a ratchet pawl assembly is installed between the surface of the incomplete circular clamping groove (20) and the outer end of the first driving shaft (25), a first hexagonal prism (26) is installed in a penetrating rotation mode through a leakage-proof bearing, and the inner end of the first hexagonal prism (26) is connected with the rear side of the outer wall of the first driving shaft (25) through a bevel gear pair;

the extrusion device (3) comprises threaded hole blocks (30) welded at the top of the clamping device (2), a double-head threaded rod (31) is inserted between two adjacent threaded hole blocks (30) in a penetrating mode, a locking nut (32) is connected to the outer wall of the double-head threaded rod (31) in a threaded mode, and the locking nut (32) is attached to the outer side of the threaded hole blocks (30);

the triangular support device (4) comprises a horizontally arranged mounting cylindrical block (400), a first support rod (401) is vertically fixed at the top of the outer wall of the mounting cylindrical block (400), arc-shaped opening grooves (402) are symmetrically arranged on two sides of the mounting cylindrical block (400) relative to the first support rod (401), a spherical hinge (403) is arranged in the center of the inner wall of the arc-shaped opening groove (402), a second support rod (404) is fixed at the rotating end of the spherical hinge (403), the part, extending to the outer side of the mounting cylindrical block (400), of the second support rod (404) is equal in length to the first support rod (401), arc-shaped racks (405) are fixedly embedded in front of and behind the inner wall of the arc-shaped opening groove (402), rectangular grooves (406) are arranged on the inner side of the surface of the second support rod (404), first hole blocks (407) are fixedly arranged in the middle of an inner cavity of the rectangular groove (406), a pair of second hole blocks (409) are fixedly arranged at the inner ends of the front and rear sides of the inner cavity of the rectangular groove (406) in a sliding mode, the second hole blocks (409) are fixedly connected to the second hole blocks (409) in a sliding mode, the second hole blocks (409) extend to the outer side of the arc-shaped racks (410), the outside cover of inserted bar (410) is equipped with one end and its fixed surface and the fixed second spacing spring (411) of the other end and second hole piece (409) outer wall, be connected through wire rope (412) between the inner of inserted bar (410) and the inner of I-shaped pole (408), the inner chamber of rectangle groove (406) is fixed with the wire wheel of laminating wire rope (412).

2. A communications pipeline for facilitating transmission line laying according to claim 1, wherein: arc-shaped sliding grooves (22) are formed in the front and the rear of the inner side of the opening of the incomplete circular clamping groove (20), and limiting columns (23) clamped in the inner cavity of the arc-shaped sliding grooves (22) are uniformly distributed on the front and the rear surfaces of the incomplete outer gear rings (21) at intervals in a circular mode.

3. A communications pipeline for facilitating transmission line laying according to claim 2, wherein: the utility model discloses a motor vehicle gear, including incomplete outer ring gear, inner wall level central authorities of incomplete outer ring gear (21) are provided with one end open-ended spacing draw-in groove (210), the inner chamber slip joint of spacing draw-in groove (210) has arc square bar (211), the inner of arc square bar (211) is connected with the inner of spacing draw-in groove (210) through first spacing spring (212), all interval relatively fixed with a plurality of pairs of dog (213) around the opening inboard of spacing draw-in groove (210), still even interval is around the opening outside of spacing draw-in groove (210) is through blind hole and torsional spring rotation install a plurality of triangular piece (215), the surface fixing of arc square bar (211) has inclined block (214) that can promote triangular piece (215) pivoted.

4. A communications pipeline for facilitating transmission line laying according to claim 1, wherein: the outer end of the installation cylindrical block (400) is coaxially fixed with a circular dial, and the center of the outer side of the second support rod (404) is horizontally fixed with a marking line.

5. A communications pipeline for facilitating transmission line laying according to claim 1, wherein: the utility model provides a fixing device, fixing device (5) are including the outside fixed section of thick bamboo (50) of horizontal opening, evenly spaced around the outer wall of fixed section of thick bamboo (50) rotates and runs through and install two pairs of integral key shaft spline housing subassembly (51), the integral key housing of integral key shaft spline housing subassembly (51) is rotated through the surface of bearing and fixed section of thick bamboo (50) and is connected, integral key shaft spline housing subassembly (51) outer wall inboard passes through screw thread and fixed section of thick bamboo (50) spiro union, arc briquetting (52) are installed in integral key shaft spline housing subassembly (51)'s integral key shaft inner rotation, connecting ring (53) have been fixedly cup jointed to integral key shaft spline housing outer end of integral key shaft spline housing subassembly (51), connecting ring (53)'s outer wall evenly spaced is fixed with a plurality of dwang (54), disc (55) are installed through the bearing rotation to the outer wall of fixed section of thick bamboo (50), the outside of disc (55) is embedded and is fixed with side ring gear (56), the tooth intracavity of side ring (56) is inserted in the meshing of dwang (54), the inboard of disc (55) has through the perpendicular spiral shell connection of fixed connection plastics five-star connection handle (57).

6. A communications pipeline for facilitating transmission line laying according to claim 5, wherein: the inner side of the opening of the fixed cylinder (50) is fixedly adhered with a conical rubber sleeve, and the outer wall of the conical rubber sleeve is sleeved with a throat hoop.

7. A communications pipeline for facilitating transmission line laying according to claim 1, wherein: running gear (6) are including fixed block (60), the outer terminal surface central authorities of fixed block (60) are fixed with straight line wheel (61), the both sides of fixed block (60) all are fixed with hollow block (62), the inner chamber middle part of hollow block (62) is fixed with third hole piece (63), install threaded rod thread bush subassembly (64) that run through and extend to hollow block (62) top perpendicularly on third hole piece (63), second drive shaft (65) that extend to hollow block (62) front side are installed in the below rotation of third hole piece (63), the outer wall of second drive shaft (65) is connected through the bevel gear pair with the threaded rod bottom of threaded rod thread bush subassembly (64), the outer end of second drive shaft (65) is fixed with hand wheel (66), the thread bush top of threaded rod thread bush subassembly (64) is fixed with connecting block (67), the outside slope spiro union of the inboard of connecting block (67) has second hexagonal prism (68), and the outside of connecting block (67) is fixed with universal ball (69).