CN116526390B

CN116526390B - Flame-retardant MPP power tube with direction-changing assembly for underground burying and method

Info

Publication number: CN116526390B
Application number: CN202310593261.8A
Authority: CN
Inventors: 高向阳; 边永亮; 杨磊
Original assignee: Xiongxian Xintong Plastic Cement Product Co ltd
Current assignee: Hebei Xiong'an Xintong Plastic Products Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-19
Anticipated expiration: 2043-05-24
Also published as: CN116526390A

Abstract

The invention belongs to the technical field of power pipes, in particular to a flame-retardant MPP power pipe with a direction-changing component for underground burying and a method thereof, aiming at the problems that the distance between two adjacent pipe pillows cannot be controlled quickly, the two adjacent power pipes cannot be spliced quickly, and the power pipes are damaged due to pressure in the prior art, the invention provides the following scheme that: the power pipe fitting protection device comprises two lower pipe pillows and a plurality of power pipes positioned on the two lower pipe pillows, wherein the tops of the two lower pipe pillows are respectively provided with an upper pipe pillow, and the tops and the bottoms of the power pipes are respectively provided with a groove.

Description

Flame-retardant MPP power tube with direction-changing assembly for underground burying and method

Technical Field

The invention relates to the technical field of power pipes, in particular to a flame-retardant MPP power pipe with a direction changing component for underground burying and a method thereof.

Background

MPP pipe is also called MPP power cable protection pipe, and is divided into excavation type and non-excavation type, MPP non-excavation pipe is also called MPP push pipe or drag pipe. The MPP pipe adopts modified polypropylene as a main raw material. The cable has the characteristics of high temperature resistance and external pressure resistance, and is suitable for medium and low voltage transmission line cable calandria pipes below 10 KV.

In the prior art, when the power pipes are paved, the lower pipe pillow is required to be erected in the dug pipe groove, then the power pipes are lapped on the pipe pillow, the power pipes are fixed through the cooperation of the upper pipe pillow and the lower pipe pillow, then the adjacent two power pipes are mutually inserted and butted, and then the power pipes are buried in the picture, so that the burying of the power pipes is completed.

However, the following problems still exist in the prior art when the power tube is buried:

1. because the spacing between two adjacent pipe sleepers has certain requirement in the burying process, the spacing is 2m, and the pipe sleepers are directly placed in the pipe grooves in the prior art, and then the movable pipe sleepers are used for limiting the spacing between the two adjacent pipe sleepers, the operation is troublesome, and the construction progress is influenced;

2. when two adjacent power pipes are spliced, the two adjacent power pipes are required to be placed on the adjacent pipe pillow, then are matched with each other by manpower and a crane, the two adjacent power pipes are spliced, and only one power pipe can be spliced at a time, and the two adjacent power pipes are calibrated step by step during splicing, so that the operation is complex and the splicing efficiency is low;

3. when the power tube is buried, the pressure born by the power tube at the later stage is different due to the different positions of the buried power tube, for example, when the power tube is buried in a roadway and a sidewalk, the pressure born by the power tube is large in difference, so that the power tube is easy to be damaged due to the pressure at the later stage.

Aiming at the problems, the invention provides a flame-retardant MPP power tube with a direction changing component for underground burying and a method thereof.

Disclosure of Invention

The invention provides a flame-retardant MPP power tube with a direction-changing component for underground burying and a method thereof, which solve the defects that the distance between two adjacent tube pillows cannot be controlled quickly, the two adjacent power tubes cannot be spliced quickly, and the power tubes are damaged by pressure in the prior art.

The invention provides the following technical scheme:

an underground buried flame retardant MPP power tube with direction changing assembly, comprising: the power supply comprises two lower pipe pillows and a plurality of power pipes positioned on the two lower pipe pillows, wherein the top parts of the two lower pipe pillows are respectively provided with an upper pipe pillow, the top parts and the bottom parts of the power pipes are respectively provided with a groove, and the outer wall of each power pipe is fixedly sleeved with an inserting sleeve;

the inserting structure is arranged in the lower pipe pillow and is used for inserting two adjacent power pipes in the transverse direction;

the positioning structure is arranged in the upper pipe pillow and used for fixing the power pipe;

and the protection structure is arranged between two adjacent upper pipe sleepers and is used for protecting the power pipe.

In a possible design, the grafting structure is including setting up a plurality of spouts in lower pipe pillow, lower pipe pillow internal rotation is connected with the pivot that runs through the spout, lower pipe pillow's bottom inner wall is equipped with a plurality of rotary slots, and the one end of pivot runs through the rotary slot, the outer wall fixed cover of pivot is equipped with a plurality of first gears, and first gear is located the rotary slot, sliding connection has the slide bar in the spout, one side fixedly connected with second rack of slide bar, the outer wall fixed cover of pivot is equipped with a plurality of second gears that are located the spout, and the second gear meshes with the second rack mutually, the bottom inner wall fixedly connected with first spring of spout, and the top of first spring and the bottom fixed connection of slide bar, be located the power tube bottom the top inner wall fixedly connected with of recess and the first rack that meshes mutually, the top of going up pipe pillow is equipped with a plurality of countersunk bolts that extend to the spout in the countersunk groove, and countersunk bolt and lower pipe fixedly connected with second rack, and the power tube drive down the first rack and the first power strip and push through the first screw-down bolt and the second rack, the first power tube is connected with the second rack and the adjacent power strip is connected to the first side through the first power strip, and the first power strip is connected to the first side and the second power strip and the plug and is connected to the second through the first power bolt.

In a possible design, location structure is including setting up a plurality of rectangular channels at last tub pillow top inner wall, the top inner wall fixedly connected with third spring in rectangular channel, sliding connection has the slider in the rectangular channel, is located the power tube top a plurality of triangle latches of fixedly connected with in the recess, the bottom fixedly connected with of slider a plurality of trapezoidal latches with triangle latch matched with, can promote slider and trapezoidal latch and shift up when the power tube receives the effect of first gear and remove, until the power tube is static, and trapezoidal latch brakes triangle latch under the elasticity effect of third spring, and then can avoid two adjacent power tubes in later stage to appear the separation phenomenon through the cooperation of trapezoidal latch and triangle latch.

In a possible design, protection architecture sets up the sliding tray that is close to one side each other at two upper tube sleepers, sliding connection has the push pedal in the sliding tray, one side fixedly connected with of push pedal near upper tube sleeper a plurality of second springs, and the other end of second spring and one side inner wall fixed connection of sliding tray, one side fixedly connected with a plurality of arc loading boards of upper tube sleeper is kept away from to the push pedal, is equipped with a plurality of hollow tubes between two adjacent push pedals, and the hollow tube be located the top of two adjacent arc loading boards respectively, be equipped with a plurality of hydraulic channels that are linked together with the sliding tray in the upper tube sleeper, and the top and the countersunk head groove of hydraulic channel are linked together, sealing sliding connection has the second seal piston in the hydraulic channel, sealing sliding connection's top and countersunk head bottom of countersunk head bolt touch each other, sealing sliding connection has first sealing piston in the hydraulic channel, the bottom fixedly connected with of first sealing piston extends to the trapezoidal push block in the sliding tray, and the trapezoidal push block that just is located two adjacent arc loading boards, and can push down the hollow tube through the expansion of hollow tube and the expansion joint to the hollow tube, can the hollow tube is realized by the expansion joint with the hollow tube, and the hollow tube can be realized by the expansion joint to the hollow tube and the expansion joint through the expansion joint, and the hollow tube is realized to the hollow tube side, and the expansion joint can be realized by the expansion joint to the hollow tube side and the expansion joint is realized by the expansion of the hollow tube.

In one possible design, fixedly connected with is used for carrying out spacing collar to the second sealed piston in the hydraulic pressure way, fixedly connected with is used for carrying out spacing to the first sealed piston in the hydraulic pressure way, the top fixedly connected with of push rod produces magnetically absorbed magnet with countersunk head bolt countersunk head, when needs change the hollow tube, unscrews countersunk head bolt, and countersunk head bolt moves up and drives second sealed piston and push rod through magnet and move up, and trapezoidal ejector pad and first sealed piston shrink to the hydraulic pressure in the way this moment, and the push pedal resets under the pulling force effect of second spring, releases the centre gripping to the hollow tube, conveniently changes the hollow tube this moment.

In one possible design, one side of push pedal that is close to the arc loading board fixedly connected with a plurality of arc limiting plates and centre of a circle lug, and the arc limiting plate is located the top of arc loading board, and the centre of a circle lug is located between arc loading board and the arc limiting plate, when two push pedals centre gripping, fixed to the hollow tube, the centre of a circle lug can insert in the hollow tube, and the arc limiting plate can be spacing to the top of hollow tube to avoid the hollow tube to appear removing at the later stage and lead to the hollow tube unable support protection to the electric power tube.

In one possible design, a plurality of anchor rods are fixedly connected to the bottom of the lower pipe pillow, two adjacent lower pipe pillows are placed in the pipe groove, and the anchor rods are inserted into the soil, so that stability of the lower pipe pillows is improved.

In a possible design, two one side that is close to each other of pipe pillow down all is equipped with the connecting plate, be equipped with a plurality of second bolts in the connecting plate, and the one end of second bolt extends to in the pipe pillow down and with pipe pillow threaded connection down, two one side fixedly connected with same gag lever post that the connecting plate is close to each other, through connecting plate, gag lever post and second bolt fixed connection between two adjacent pipe pillow down, then can guarantee the interval between two pipe pillow down constantly when inserting the pipe groove with two pipe pillow down, later stage need not to readjust interval of two pipe pillow down, increases efficiency of construction.

In one possible design, two the equal fixedly connected with of one side that lower pipe pillow kept away from each other is a plurality of slide bars, two the equal fixedly connected with of one side that upper pipe pillow kept away from each other is a plurality of sliding blocks, and the slide bar cooperatees with the sliding block, places upper pipe pillow at the top of lower pipe pillow, and carries out spacingly to upper pipe pillow through the cooperation of slide bar and sliding block, avoids the hollow tube between two upper pipe pillows to drop from the arc loading board.

The burying method of the flame-retardant MPP power tube with the direction changing component for underground burying comprises the following steps:

s1, fixedly connecting two adjacent lower pipe sleepers through a connecting plate, a limiting rod and a second bolt, placing the two adjacent lower pipe sleepers into a pipe groove, inserting an anchor rod into soil, increasing stability of the lower pipe sleepers, respectively placing a plurality of power pipes on the top inner wall of the lower pipe sleepers, and meshing a first rack with a first gear, wherein at the moment, two adjacent power pipes are coaxial in a transverse way;

s2, placing an upper pipe pillow at the top of a lower pipe pillow, limiting the upper pipe pillow through the cooperation of a sliding rod and a sliding block, respectively lapping a plurality of hollow pipes at the tops of arc-shaped bearing plates on two adjacent upper pipe pillows, then screwing down countersunk bolts, downwards moving the countersunk bolts to extend into sliding grooves, pushing sliding rods and second racks to downwards move and extruding a first spring, enabling the second racks to drive a rotating shaft and the first gear to anticlockwise rotate through the second gears, enabling the first gears to slide to one side through first toothed belt type power pipes and plug sleeves, enabling the two adjacent power pipes to be plugged through the plug sleeves, and enabling the power pipes to be plugged at one time;

s3, the power tube can push the sliding block and the trapezoid latch to move upwards when moving until the power tube is static, the trapezoid latch brakes the triangle latch under the elastic force of the third spring, and further the separation phenomenon of two adjacent power tubes in the later stage can be avoided through the cooperation of the trapezoid latch and the triangle latch;

s4, rotating and tightening the countersunk head bolt along with the countersunk head bolt, enabling the countersunk head of the countersunk head bolt to extend into a countersunk head groove and pushing the second sealing piston to move downwards through the push rod, enabling the second sealing piston to extrude hydraulic oil in a hydraulic channel, enabling the first sealing piston and the trapezoid pushing block to move downwards under the action of the hydraulic oil, enabling the pushing plate to be pushed to one side through the trapezoid pushing block, enabling two adjacent pushing plates to clamp and fix a plurality of hollow tubes, enabling the circle center protruding block to be inserted into the hollow tubes, enabling the arc limiting plate to limit the top of the hollow tubes, and accordingly avoiding the fact that the hollow tubes cannot support and protect the electric tubes due to movement of the hollow tubes in the later period, and enabling the sliding rod, the sliding block, the connecting plate, the limiting rod and the second bolt to be detached respectively after the electric tube is established for later period reuse.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

According to the invention, the outer wall of the rotating shaft is fixedly sleeved with a plurality of first gears, one side of the sliding rod is fixedly connected with a second rack, the outer wall of the rotating shaft is fixedly sleeved with a plurality of second gears, the inner wall of the top of the groove at the bottom of the power tube is fixedly connected with a first rack meshed with the first gear, the countersunk bolt moves downwards to push the sliding rod and extrude the first spring, the second rack drives the rotating shaft and the first gear to rotate anticlockwise through the second gears, the first gear drives the power tube and the plug bush to slide to one side through the first gear, at the moment, two adjacent power tubes are plugged through the plug bush, and the power tubes can be plugged at one time;

according to the invention, a push plate is connected in a sliding way in the sliding groove, one side of the push plate is fixedly connected with a plurality of arc-shaped bearing plates, a plurality of hydraulic channels are arranged in the upper pipe pillow, a second sealing piston and a first sealing piston are connected in a sealing sliding way in the hydraulic channels, a push rod is fixedly connected to the top of the second sealing piston, a trapezoid push block is fixedly connected to the bottom of the first sealing piston, the countersunk head of a countersunk head bolt extends into the countersunk head groove and pushes the second sealing piston to move downwards through the push rod, the first sealing piston and the trapezoid push block move downwards as well, the trapezoid push block can push the push plate to one side, and two adjacent push plates can clamp and fix a plurality of hollow pipes, so that the electric pipe can be protected through a plurality of hollow pipes, and the electric pipe is prevented from being damaged by ground pressure;

according to the invention, the third spring is fixedly connected to the inner wall of the top of the rectangular groove, the sliding block is connected in the rectangular groove in a sliding manner, the plurality of triangular clamping teeth are fixedly connected in the groove at the top of the power tube, the plurality of trapezoidal clamping teeth matched with the triangular clamping teeth are fixedly connected to the bottom of the sliding block, the sliding block and the trapezoidal clamping teeth can be pushed to move upwards when the power tube moves under the action of the first gear until the power tube is static, the triangular clamping teeth are braked under the action of the elastic force of the third spring, and further the separation phenomenon of two adjacent power tubes in the later period can be avoided through the matching of the trapezoidal clamping teeth and the triangular clamping teeth;

according to the invention, a plurality of sliding rods are fixedly connected to one sides, away from each other, of the two lower pipe pillows, a plurality of sliding blocks are fixedly connected to one sides, away from each other, of the two upper pipe pillows, the sliding rods are matched with the sliding blocks, the upper pipe pillow is placed at the top of the lower pipe pillow, and the upper pipe pillow is limited by the matching of the sliding rods and the sliding blocks, so that a hollow pipe between the two upper pipe pillows is prevented from falling off an arc-shaped bearing plate.

According to the invention, when the countersunk head bolt is screwed down, the sliding rod can be pushed to move down to drive the rotating shaft and the first gear to rotate so as to complete the insertion connection between two adjacent power pipes, the lower pipe sleeper and the upper pipe sleeper can be pressed tightly to fix the power pipes by the trapezoid clamping teeth and the triangular clamping teeth, the separation of the two adjacent power pipes in the later stage is avoided, the pushing plate can be pushed to the outside to fix a plurality of hollow pipes by the trapezoid pushing block in the process of moving down the countersunk head bolt, and then the power pipes can be protected by the plurality of hollow pipes, so that the power pipes are prevented from being damaged by ground pressure.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a flame retardant MPP power tube with a direction changing assembly for underground burying, which is provided by the embodiment of the invention;

fig. 2 is a schematic view of a three-dimensional cross-sectional structure of a lower pipe pillow and an upper pipe pillow of a flame retardant MPP power pipe for underground burying with a direction changing assembly according to a first view angle provided by an embodiment of the present invention;

fig. 3 is a schematic diagram of a second perspective three-dimensional cross-sectional structure of a lower pipe pillow and an upper pipe pillow of a flame retardant MPP power pipe for underground burying with a direction changing assembly according to an embodiment of the present invention;

fig. 4 is an enlarged schematic diagram of a position a of a flame retardant MPP power tube with a direction changing assembly for underground burying according to an embodiment of the invention;

fig. 5 is a schematic diagram of a three-dimensional cross-sectional structure of a power tube, a lower pipe pillow and an upper pipe pillow of a flame retardant MPP power tube for underground burying with a direction changing assembly according to an embodiment of the present invention;

fig. 6 is a schematic three-dimensional structure diagram of a trapezoidal latch and triangular latch of a flame retardant MPP power tube with a direction changing assembly for underground burying, which is provided by the embodiment of the invention;

fig. 7 is a schematic three-dimensional structure diagram of a push rod of a flame retardant MPP power tube with a direction changing assembly for underground burying, which is provided by the embodiment of the invention;

fig. 8 is a schematic three-dimensional structure diagram of a hollow tube and a push plate of a flame retardant MPP power tube for underground burying with a direction changing assembly according to an embodiment of the invention;

fig. 9 is a schematic three-dimensional structure diagram of an arc-shaped bearing plate and an arc-shaped limiting plate of a flame-retardant MPP power tube with a direction-changing assembly for underground burying, which are provided by the embodiment of the invention;

fig. 10 is a schematic diagram of a front view structure of a flame retardant MPP power tube with a direction changing component for underground burying according to the second embodiment of the invention.

Reference numerals:

1. placing a pipe pillow; 2. the upper tube pillow; 3. a power tube; 4. a rotating groove; 5. a rotating shaft; 6. a first gear; 7. a chute; 8. a slide bar; 9. a first spring; 10. a countersunk head groove; 11. countersunk head bolts; 12. a first rack; 13. a groove; 14. a sliding groove; 15. a push plate; 16. an arc-shaped bearing plate; 17. a hollow tube; 18. a hydraulic passage; 19. a first sealing piston; 20. a trapezoidal push block; 21. a second sealing piston; 22. a push rod; 23. rectangular grooves; 24. a slide block; 25. trapezoidal latch teeth; 26. triangular latch teeth; 27. a magnet; 28. a limiting ring; 29. a second spring; 30. an arc limiting plate; 31. a plug bush; 32. a limiting block; 33. a bolt; 34. a second rack; 35. a connecting plate; 36. a limit rod; 37. a second bolt; 38. a slide bar; 39. a sliding block; 40. a circle center convex block; 41. a second gear; 42. and a third spring.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.

In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present invention are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present invention, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present invention.

In embodiments of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present invention, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1, 2 and 3, a flame retardant MPP power tube for underground burying with a direction changing assembly of the present embodiment includes: two lower pipe pillow 1 and be located a plurality of power tubes 3 on two lower pipe pillow 1, the top of two lower pipe pillow 1 all is equipped with pipe pillow 2, the top and the bottom of power tube 3 all are equipped with recess 13, the fixed cover of outer wall of power tube 3 is equipped with plug bush 31, the grafting structure sets up in pipe pillow 1 down for peg graft to two adjacent power tubes 3 of traversing, location structure sets up in pipe pillow 2, be used for fixing power tube 3, protection architecture sets up between two adjacent upper pipe pillow 2, be used for protecting power tube 3.

Referring to fig. 2, the bottom of the lower headrest 1 is fixedly connected with a plurality of anchors 33 through bolts, two adjacent lower bolsters 1 are placed in the pipe groove, and the anchors 33 are inserted into the soil, so that the stability of the lower bolsters 1 is increased.

Referring to fig. 2, fig. 3 and fig. 5, the grafting structure is including setting up a plurality of spouts 7 in lower pipe pillow 1, lower pipe pillow 1 internal rotation is connected with the pivot 5 that runs through spout 7, the bottom inner wall of lower pipe pillow 1 is equipped with a plurality of rotary slots 4, and the one end of pivot 5 runs through rotary slot 4, the outer wall fixed cover of pivot 5 is equipped with a plurality of first gears 6, and first gear 6 is located rotary slot 4, sliding connection has slide bar 8 in spout 7, one side of slide bar 8 passes through bolt fixed connection and has second rack 34, the outer wall fixed cover of pivot 5 is equipped with a plurality of second gears 41 that are located spout 7, and second gear 41 meshes with second rack 34 mutually, the bottom inner wall fixed connection of spout 7 has first spring 9, and the top of first spring 9 and the bottom fixed connection of slide bar 8, the top inner wall fixed connection of recess 13 that is located the bottom of power tube 3 with first gear 6 mutually meshes, the top of upper pipe pillow 2 is equipped with a plurality of countersink 10, it has a plurality of countersink 11 to run through in countersink 10 to extend to a plurality of slide bars 7, one side of countersink 11 and the second rack 11 through bolt fixed connection to the first gear 11 and second rack 34, the first gear 11 and second rack 11 are pushed down to the first and second rack 11 through the first rack 11 and second rack 3, the first and second rack 11 and second rack 3 are connected to the first and 3 through the first and second rack 11, the first and second rack 11 is screwed down in the power tube 3, the first and 3 is connected to the first rack 11 and the first rack 3, the first rack is screwed down in the power plug-and 3, and the first rack 3 is connected to the first rack, and the second rack is screwed down the adjacent, and the first rack 3, and the first rack is screwed down, and the first rack 3, and the second rack is screwed down, and the plug can be screwed.

Referring to fig. 5 and 6, the positioning structure comprises a plurality of rectangular grooves 23 arranged on the inner wall of the top of the upper pipe pillow 2, a third spring 42 is fixedly connected to the inner wall of the top of the rectangular groove 23, a sliding block 24 is connected in a sliding manner in the rectangular groove 23, a plurality of triangular latches 26 are fixedly connected in a groove 13 at the top of the power pipe 3, a plurality of trapezoidal latches 25 matched with the triangular latches 26 are fixedly connected to the bottom of the sliding block 24 through bolts, the sliding block 24 and the trapezoidal latches 25 can be pushed to move upwards when the power pipe 3 moves under the action of the first gear 6 until the power pipe 3 is static, the triangular latches 26 are braked under the action of the elastic force of the third spring 42, and then the separation phenomenon of two adjacent power pipes 3 in the later stage can be avoided through the cooperation of the trapezoidal latches 25 and the triangular latches 26.

Referring to fig. 4, 7 and 8, the protection structure is arranged in the sliding groove 14 on one side of the two upper pipe sleepers 2, the push plate 15 is connected in the sliding groove 14 in a sliding way, one side of the push plate 15 close to the upper pipe sleepers 2 is fixedly connected with a plurality of second springs 29, the other end of each second spring 29 is fixedly connected with the inner wall of one side of the sliding groove 14, one side of the push plate 15 far away from the upper pipe sleepers 2 is fixedly connected with a plurality of arc-shaped bearing plates 16 through bolts, a plurality of hollow pipes 17 are arranged between the two adjacent push plates 15, the hollow pipes 17 are respectively positioned at the tops of the two adjacent arc-shaped bearing plates 16, a plurality of hydraulic channels 18 communicated with the sliding groove 14 are arranged in the upper pipe sleepers 2, the top of each hydraulic channel 18 is communicated with the countersunk groove 10, a second sealing piston 21 is connected in a sealing sliding way in the hydraulic channel 18, the top of each second sealing piston 21 is fixedly connected with a push rod 22 extending into the countersunk groove 10 through bolts, the top end of the push rod 22 is contacted with the bottom of the countersunk head bolt 11, a first sealing piston 19 is connected in the hydraulic channel 18 in a sealing sliding way, the bottom of the first sealing piston 19 is fixedly connected with a trapezoid push block 20 extending into the sliding groove 14 through a bolt, the trapezoid push block 20 is matched with the push plate 15, along with the rotation and screwing of the countersunk head bolt 11, the countersunk head of the countersunk head bolt 11 extends into the countersunk head groove 10 and pushes a second sealing piston 21 to move downwards through the push rod 22, the first sealing piston 19 and the trapezoid push block 20 move downwards under the action of hydraulic oil, the push plate 15 can be pushed to one side through the trapezoid push block 20, at the moment, two adjacent push plates 15 can clamp and fix a plurality of hollow pipes 17, a circle center bump 40 can be inserted into the hollow pipes 17, an arc limiting plate 30 can limit the top of the hollow pipes 17, thereby avoiding the hollow tube 17 from being unable to support and protect the power tube 3 due to the movement of the hollow tube 17 at a later stage.

Referring to fig. 4, a limiting ring 28 for limiting the second sealing piston 21 is fixedly connected in the hydraulic channel 18, a limiting block 32 limiting the first sealing piston 19 is fixedly connected in the hydraulic channel 18, a magnet 27 magnetically attracted with the countersunk head of the countersunk head bolt 11 is fixedly connected to the top end of the push rod 22, when the hollow tube 17 needs to be replaced, the countersunk head bolt 11 is unscrewed, the countersunk head bolt 11 moves upwards to drive the second sealing piston 21 and the push rod 22 to move upwards through the magnet 27, at the moment, the trapezoid push block 20 and the first sealing piston 19 shrink into the hydraulic channel 18, the push plate 15 resets under the action of the tension of the second spring 29, the clamping of the hollow tube 17 is released, and at the moment, the hollow tube 17 is convenient to replace.

Referring to fig. 9, one side of the push plate 15, which is close to the arc-shaped bearing plate 16, is fixedly connected with a plurality of arc-shaped limiting plates 30 and circle center protruding blocks 40 through bolts, the arc-shaped limiting plates 30 are located at the top of the arc-shaped bearing plate 16, the circle center protruding blocks 40 are located between the arc-shaped bearing plate 16 and the arc-shaped limiting plates 30, when the two push plates 15 clamp and fix the hollow pipe 17, the circle center protruding blocks 40 can be inserted into the hollow pipe 17, and the arc-shaped limiting plates 30 can limit the top of the hollow pipe 17, so that the hollow pipe 17 cannot support and protect the electric power pipe 3 due to movement of the hollow pipe 17 in the later period is avoided.

Example 2

Referring to fig. 10, two lower pipe pillows 1 are all equipped with connecting plate 35 in one side that is close to each other, be equipped with a plurality of second bolts 37 in the connecting plate 35, and the one end of second bolt 37 extends to in the lower pipe pillow 1 and with lower pipe pillow 1 threaded connection, one side that two connecting plates 35 are close to each other fixedly connected with same gag lever post 36, pass through connecting plate 35 between two adjacent lower pipe pillows 1, gag lever post 36 and second bolt 37 fixed connection, can guarantee the interval between two lower pipe pillows 1 constantly when advancing the later stage and inserting two lower pipe pillows 1 into the pipe groove, later stage need not readjust the interval of two lower pipe pillows 1, increase efficiency of construction, one side that two lower pipe pillows 1 keep away from each other is all fixedly connected with a plurality of slide bars 38, one side that two upper pipe pillow 2 keep away from each other is all fixedly connected with a plurality of sliding blocks 39, and slide bar 38 cooperates with sliding block 39, place upper pipe pillow 2 at the top of lower pipe pillow 1, and through the cooperation of slide bar 38 and sliding block 39, avoid two upper pipe pillow 2 to drop from hollow pipe pillow 17 from bearing plate 16.

The method for burying the flame-retardant MPP power tube with the direction-changing assembly for underground burying comprises the following steps:

s1, fixedly connecting two adjacent lower pipe pillows 1 through a connecting plate 35, a limiting rod 36 and a second bolt 37, placing the two adjacent lower pipe pillows 1 into a pipe groove, inserting an anchor rod 33 into soil to increase stability of the lower pipe pillow 1, respectively placing a plurality of power pipes 3 on the top inner wall of the lower pipe pillow 1, and meshing a first rack 12 with a first gear 6, wherein at the moment, two adjacent power pipes 3 are coaxial in a transverse way;

s2, placing the upper pipe pillow 2 on the top of the lower pipe pillow 1, limiting the upper pipe pillow 2 through the cooperation of a sliding rod 38 and a sliding block 39, respectively lapping a plurality of hollow pipes 17 on the tops of arc-shaped bearing plates 16 on two adjacent upper pipe pillows 2, then screwing down countersunk bolts 11, enabling the countersunk bolts 11 to move downwards and extend into sliding grooves 7, enabling the countersunk bolts 11 to push sliding rods 8 and second racks 34 to move downwards and press first springs 9, enabling the second racks 34 to drive a rotating shaft 5 and a first gear 6 to rotate anticlockwise through second gears 41, enabling the first gears 6 to drive power pipes 3 and plug-in sleeves 31 to slide to one side through the first racks 12, enabling the adjacent two power pipes 3 to be plugged through the plug-in sleeves 31, and enabling the power pipes 3 to be plugged in one time;

s3, the power tube 3 can push the sliding block 24 and the trapezoidal latch 25 to move upwards when moving until the power tube 3 is static, the trapezoidal latch 25 brakes the triangular latch 26 under the elastic force of the third spring 42, and further the separation phenomenon of two adjacent power tubes 3 in the later stage can be avoided through the cooperation of the trapezoidal latch 25 and the triangular latch 26;

s4, along with the rotation and screwing of the countersunk head bolts 11, countersunk heads of the countersunk head bolts 11 extend into the countersunk head grooves 10 and push the second sealing piston 21 to move downwards through the push rod 22, the second sealing piston 21 extrudes hydraulic oil in the hydraulic channel 18, the first sealing piston 19 and the trapezoid pushing block 20 move downwards under the action of the hydraulic oil, the pushing plates 15 can be pushed to one side through the trapezoid pushing block 20, at the moment, two adjacent pushing plates 15 can clamp and fix a plurality of hollow tubes 17, the circle center convex blocks 40 can be inserted into the hollow tubes 17, the arc limiting plates 30 can limit the tops of the hollow tubes 17, so that the hollow tubes 17 cannot support and protect the electric power tubes 3 due to the fact that the movement of the hollow tubes 17 occurs in the later period, and after the electric power tubes 3 are erected, the sliding rods 38, the sliding blocks 39, the connecting plates 35, the limiting rods 36 and the second bolts 37 are detached respectively for later period repeated use.

The present invention is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present invention, and the changes or substitutions are intended to be covered by the scope of the present invention; embodiments of the invention and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims

1. Underground is buried underground and is used fire-retardant MPP power tube with diversion subassembly, a serial communication port, include:

the electric power pipe comprises two lower pipe pillows (1) and a plurality of electric power pipes (3) positioned on the two lower pipe pillows (1), wherein the top parts of the two lower pipe pillows (1) are respectively provided with an upper pipe pillow (2), the top parts and the bottom parts of the electric power pipes (3) are respectively provided with a groove (13), and the outer wall of each electric power pipe (3) is fixedly sleeved with an inserting sleeve (31);

the inserting structure is arranged in the lower pipe pillow (1) and is used for inserting two adjacent power pipes (3) in the transverse direction;

the positioning structure is arranged in the upper pipe pillow (2) and is used for fixing the power pipe (3);

the protection structure is arranged between two adjacent upper pipe pillows (2) and is used for protecting the power pipe (3);

the utility model discloses a connecting structure, including setting up a plurality of spouts (7) in lower pipe pillow (1), lower pipe pillow (1) internal rotation is connected with pivot (5) that run through spout (7), the bottom inner wall of lower pipe pillow (1) is equipped with a plurality of rotation grooves (4), and the one end of pivot (5) runs through rotation groove (4), the outer wall fixed cover of pivot (5) is equipped with a plurality of first gears (6), and first gear (6) are located rotation groove (4), sliding connection has slide bar (8) in spout (7), one side fixedly connected with second rack (34) of slide bar (8), the outer wall fixed cover of pivot (5) is equipped with a plurality of second gears (41) that are located spout (7), and second gear (41) mesh with second rack (34), the bottom inner wall fixedly connected with first spring (9) of spout (7), and the bottom fixed connection of top and first spring (9) and 8) of spout (3) bottom the inner wall fixedly connected with slide bar (10) that are located electric pipe (3) bottom one side fixedly connected with second rack (41) in the top of slide bar (7) is equipped with a plurality of countersunk head (10) and top (10) fixedly connected with a plurality of bolts (10), the countersunk head bolt (11) is in threaded connection with the lower pipe pillow (1);

the positioning structure comprises a plurality of rectangular grooves (23) arranged on the inner wall of the top of the upper pipe pillow (2), a third spring (42) is fixedly connected to the inner wall of the top of the rectangular groove (23), a sliding block (24) is connected in a sliding manner in the rectangular groove (23), a plurality of triangular clamping teeth (26) are fixedly connected in the groove (13) arranged on the top of the power pipe (3), and a plurality of trapezoidal clamping teeth (25) matched with the triangular clamping teeth (26) are fixedly connected to the bottom of the sliding block (24);

the protection structure is arranged on the sliding grooves (14) on one side of the two upper pipe pillows (2), the push plates (15) are connected in the sliding grooves (14) in a sliding way, one side of each push plate (15) close to the upper pipe pillow (2) is fixedly connected with a plurality of second springs (29), the other ends of the second springs (29) are fixedly connected with one side inner wall of each sliding groove (14), one side of each push plate (15) far away from the upper pipe pillow (2) is fixedly connected with a plurality of arc-shaped bearing plates (16), a plurality of hollow pipes (17) are arranged between the two adjacent push plates (15), the hollow pipes (17) are respectively positioned at the tops of the two adjacent arc-shaped bearing plates (16), a plurality of hydraulic channels (18) which are communicated with the sliding grooves (14) are arranged in the upper pipe pillow (2), the top ends of the hydraulic channels (18) are communicated with the countersunk grooves (10), second sealing pistons (21) are connected in a sealing sliding way in the hydraulic channels (18), the tops of the second sealing pistons (21) are fixedly connected with the tops of the countersunk pistons (22) which extend to the countersunk grooves (10), the tops of the countersunk pistons (22) are connected with the bottoms of the countersunk pistons (19) in the countersunk heads (11), the bottom of the first sealing piston (19) is fixedly connected with a trapezoid pushing block (20) extending into the sliding groove (14), and the trapezoid pushing block (20) is matched with the pushing plate (15);

a limiting ring (28) used for limiting the second sealing piston (21) is fixedly connected in the hydraulic channel (18), a limiting block (32) used for limiting the first sealing piston (19) is fixedly connected in the hydraulic channel (18), and a magnet (27) magnetically adsorbed with the countersunk head of the countersunk head bolt (11) is fixedly connected at the top end of the push rod (22);

one side of the push plate (15) close to the arc-shaped bearing plate (16) is fixedly connected with a plurality of arc-shaped limiting plates (30) and circle center protruding blocks (40), the arc-shaped limiting plates (30) are positioned at the top of the arc-shaped bearing plate (16), and the circle center protruding blocks (40) are positioned between the arc-shaped bearing plate (16) and the arc-shaped limiting plates (30);

the bottom of the lower pipe pillow (1) is fixedly connected with a plurality of anchor rods (33);

the two lower pipe pillows (1) are provided with connecting plates (35) at one side close to each other, a plurality of second bolts (37) are arranged in the connecting plates (35), one ends of the second bolts (37) extend into the lower pipe pillows (1) and are in threaded connection with the lower pipe pillows (1), and one side close to each other of the two connecting plates (35) is fixedly connected with the same limiting rod (36);

two the side that lower pipe pillow (1) kept away from each other all fixedly connected with a plurality of slide bars (38), two the side that upper pipe pillow (2) kept away from each other all fixedly connected with a plurality of sliding blocks (39), and slide bar (38) cooperatees with sliding block (39).

2. The method of burying a flame retardant MPP power tube for underground burying with a direction changing assembly as claimed in claim 1, comprising the steps of:

s1, fixedly connecting two adjacent lower pipe sleepers (1) through a connecting plate (35), a limiting rod (36) and a second bolt (37), placing the two adjacent lower pipe sleepers (1) into a pipe groove, inserting an anchor rod (33) into soil, increasing stability of the lower pipe sleepers (1), respectively placing a plurality of power pipes (3) on the top inner wall of the lower pipe sleepers (1), and meshing a first rack (12) with a first gear (6), wherein the two adjacent power pipes (3) are coaxial in a transverse way;

s2, placing the upper pipe pillow (2) on the top of the lower pipe pillow (1), limiting the upper pipe pillow (2) through the matching of a sliding rod (38) and a sliding block (39), respectively lapping a plurality of hollow pipes (17) on the tops of arc-shaped bearing plates (16) on two adjacent upper pipe pillows (2), then screwing down countersunk bolts (11), downwards moving the countersunk bolts (11) to extend into a sliding groove (7), pushing a sliding rod (8) and a second rack (34) to downwards move and squeeze a first spring (9), driving a rotating shaft (5) and a first gear (6) to anticlockwise rotate by the second rack (34) through a second gear (41), driving a power pipe (3) and a plug bush (31) to slide to one side by the first gear (6), and completing plug-in connection of the two adjacent power pipes (3) through the plug bush (31), so that the plurality of power pipes (3) can be plugged in one time;

s3, the power tube (3) can push the sliding block (24) and the trapezoid clamping teeth (25) to move upwards when moving until the power tube (3) is static, the trapezoid clamping teeth (25) brake the triangle clamping teeth (26) under the elastic force of the third spring (42), and further the separation phenomenon of two adjacent power tubes (3) in the later stage can be avoided through the cooperation of the trapezoid clamping teeth (25) and the triangle clamping teeth (26);

s4, along with the rotation of countersunk head bolt (11) screw up, countersunk head of countersunk head bolt (11) extends to countersunk head groove (10) in and promotes second seal piston (21) to move down through push rod (22), hydraulic oil in second seal piston (21) extrusion hydraulic pressure way (18), first seal piston (19) and trapezoidal ejector pad (20) move down under the effect of hydraulic oil, can promote push pedal (15) to one side through trapezoidal ejector pad (20), two adjacent push pedal (15) can be fixed to a plurality of hollow tube (17) centre gripping this moment, and centre of a circle lug (40) can insert in hollow tube (17), arc limiting plate (30) can be spacing to the top of hollow tube (17), thereby avoid hollow tube (17) to appear moving at the later stage and lead to hollow tube (17) unable to support protection to electric power pipe (3), electric power pipe (3) erect the back with sliding rod (38), sliding block (39), connecting plate (35), spacing rod (36) and second bolt (37) dismantlement respectively, be used for later stage repeatedly.