CN213420125U

CN213420125U - Protection system for gas pipeline crossing road

Info

Publication number: CN213420125U
Application number: CN202021557074.2U
Authority: CN
Inventors: 袁亮; 杨小伟; 罗肖; 刘沛
Original assignee: Shaanxi Shouchuang Tiancheng Engineering Technology Co ltd
Current assignee: Shaanxi Shouchuang Tiancheng Engineering Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-06-11
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of gas pipeline protection, in particular to a protection system for gas pipelines to pass through roads, which comprises a gas pipeline body, a damping rolling bracket, a sleeve and plugging devices arranged at two ends of the sleeve, wherein the gas pipeline body is sleeved in the sleeve through the damping rolling bracket, the damping rolling bracket is distributed along the axis of the gas pipeline body at equal intervals, and the outer wall of the gas pipeline body is circumferentially wrapped with an anti-corrosion insulating layer; the system also comprises a detection early warning device. The system can be pushed into the sleeve pipe in a labor-saving manner without damaging the gas pipeline by arranging the damping rolling support, and can effectively reduce the influence of vibration on the gas pipeline and improve the safety of pipeline transportation gas; by having the GPS detection early warning device, the leakage site can be conveniently monitored in real time and accurately positioned, and the emergency repair is facilitated.

Description

Protection system for gas pipeline crossing road

Technical Field

The utility model belongs to the technical field of the gas pipeline protection, concretely relates to gas pipeline passes through protection system of road.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline.

The gas pipeline is generally laid underground, when the gas pipeline passes through a railway or a highway, open trench buried pipes cannot be excavated or excavated, when the gas pipeline needs to pass through the underground, a pipe jacking construction method is adopted, namely, a sleeve is jacked from the underground, and after the sleeve passes through the railway or the highway, a pipe clamp support is arranged on the gas pipeline and is pushed into the sleeve, so that the damage of external pressure to the gas pipeline is prevented, but the traditional protection method has the following defects:

firstly, when the gas pipe diameter is larger and the distance of the gas pipe penetrating through the sleeve is longer, the weight of the gas pipe is increased, and when the gas pipe is pushed into the sleeve, the gas pipe is laboursome and easily scratches an anticorrosive coating outside the gas pipe or inside the sleeve;

secondly, when a heavy freight vehicle passes through, a pile driver works or a small earthquake, certain vibration is brought to the sleeve, so that the displacement of a gas pipeline or the loosening of a pipeline joint is caused, and great potential safety hazards are caused;

thirdly, in the prior art, the two ends of the sleeve are plugged by adopting asphalt and the hemp rope, but the asphalt and the hemp rope are bonded unevenly, so that the sealing performance is poor, the hemp rope is easy to deform under the influence of the gravity of the sleeve, and the sleeve cannot be supported well, so that the sleeve is in contact with a gas pipeline, the gas pipeline is abraded, and in addition, the construction progress is not easy to be influenced;

and fourthly, when the air pipeline is laid below the road, the air pipeline is loaded for a long time, leakage is easy to generate, and the state of the air pipeline needs to be monitored in real time for a long time so as to take corresponding measures.

In view of the above, the present invention provides a protection system for a gas pipeline crossing a road, so as to solve the above problems.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a protection system for gas pipeline crossing road, which aims to push the gas pipeline with larger weight into the protection pipeline in a labor-saving way under the condition of not damaging the self anti-corrosion layer, and when the gas pipeline encounters vibration after being pushed into a sleeve, the rigid impact is not generated, so as to protect the safety of gas pipeline transportation; in addition, a detection alarm device is arranged for preventing the gas pipeline from leaking due to accidents.

The to-be-solved technical problem of the utility model is realized through following technical scheme: the gas pipeline comprises a gas pipeline body, a damping rolling support, a sleeve and plugging devices arranged at two ends of the sleeve, wherein the gas pipeline body is sleeved in the sleeve through the damping rolling support, the damping rolling supports are distributed at equal intervals along the axis of the gas pipeline body, and an anti-corrosion insulating layer is wrapped on the outer wall of the gas pipeline body in the circumferential direction;

the plugging device comprises a sleeve fixing sleeve and a gas pipeline fixing sleeve fixed at one end of the sleeve fixing sleeve, wherein an elastic sealing ring is arranged on the inner wall of one end, away from the sleeve fixing sleeve, of the gas pipeline fixing sleeve;

the damping rolling support comprises a damping clamping mechanism arranged above the connecting plate and a rolling adjusting mechanism arranged below the connecting plate, the damping clamping mechanism comprises a hoop for clamping and fixing a gas pipeline body, the hoop comprises a semicircular upper hoop and a semicircular lower hoop, one end of the upper hoop is hinged to one end of the lower hoop through a hinge shaft, and the other end of the upper hoop is fixed through a bolt; a sleeve is fixedly connected below the lower clamp, a guide pillar is fixedly arranged in the middle of the connecting plate, a guide rod is fixedly connected to the center of the guide pillar, the sleeve is sleeved on the guide rod, a spring is sleeved on the guide rod, and the upper side of the spring is in contact with the inner side of the top wall of the sleeve; the rolling adjusting mechanism comprises a left supporting plate, a right supporting plate and a cross shaft, wherein the left supporting plate and the right supporting plate are fixed below the connecting plate, the cross shaft penetrates through and extends out of the left supporting plate and the right supporting plate, rollers are arranged between the left supporting plate and the right supporting plate and are positioned on the cross shaft, the left supporting plate and the right supporting plate are positioned on the cross shaft and are correspondingly provided with vertical long grooves, the rolling adjusting mechanism further comprises adjusting bolts, the adjusting bolts are positioned in corresponding screw holes of the connecting plate, screw rods of the adjusting bolts are in screwed connection with the screw holes, the end portions of the adjusting bolts are abutted to two ends of the cross shaft, the cross shaft is controlled.

Furthermore, the two ends of the connecting plate are connected with arc supporting plates, and the curvature radius and the circle center position of each arc supporting plate are the same as those of the inner wall of the sleeve.

Further, the cross section of the roller is waist drum-shaped.

Further, the gas pipeline fixing sleeve is a horn-shaped sleeve, the large-caliber end of the gas pipeline fixing sleeve is fixedly connected with the end part of the sleeve fixing sleeve, and the elastic sealing ring is fixed on the inner wall of the small-caliber end of the gas pipeline fixing sleeve.

Further, the sleeve fixing sleeve comprises an outer sleeve and an inner sleeve which is sleeved in the outer sleeve in a split mode, and the end portion of the sleeve is embedded and installed between the outer sleeve and the inner sleeve.

Furthermore, go up the clamp and all adopt high density polyethylene material with lower clamp.

Further, the system still includes and detects early warning device, detect early warning device including examining leak pipe, gas consistency transmitter, battery, wireless communication device and controller, the one end of examining the leak pipe stretches into between sleeve pipe and the gas pipeline body, and the other end is located subaerial simple and easy room, and is connected with gas consistency transmitter, battery and wireless communication device are respectively through electric wire and controller electric connection.

Furthermore, a solar cell panel is arranged outside the simple house and electrically connected with the storage battery through an electric wire.

Further, the wireless communication device comprises a GPS positioning device.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a gas pipeline passes through protection system of road, this protection system gas pipeline body is cup jointed in the cover through the shock attenuation roll support, and the shock attenuation roll support distributes along gas pipeline body axial equidistance, wherein, adopt clamp hinge structure in the shock attenuation roll support, convenient and fast clamp fixed gas pipeline, and the clamp material adopts high density polyethylene (HPDE) to make, has improved its insulating nature, chemical corrosion resistance, wearability, shock resistance, mechanical resistance, thermal shock, stress, waterproof nature, etc.; in addition, a damping structure such as a spring is arranged below the clamp, so that the influence of vibration on the gas pipeline can be effectively reduced, rigid impact between the gas pipeline and the sleeve is changed into flexible impact, and the safety of pipeline transportation gas is improved; finally, a rolling adjusting mechanism is arranged at the bottom of the damping rolling support, so that a gas pipeline with relatively large weight can conveniently enter the pipeline through rolling of the rollers, labor is saved, and friction is reduced; secondly, can adjust the height of gas pipeline properly, keep coaxial as far as possible, prevent that vibrations from producing the moment of torsion and damaging the gas pipeline.

2. The utility model relates to a gas pipeline passes through protection system of road, this system sets up plugging device at the sleeve pipe both ends, improves the installation progress when guaranteeing sealed effect, and through the fixed cover cooperation of shock attenuation roll stand and loudspeaker form gas pipeline, plays fine supporting role to the sleeve pipe, and sleeve pipe and gas pipeline connection's stability is avoided to sleeve pipe and gas pipeline direct contact, prevents that the gas pipeline from wearing and tearing.

3. The utility model relates to a gas pipeline passes through protection system of road, this system have GPS and detect early warning device, supply power to other parts through solar cell panel to can long-term real-time supervision and this position of accurate positioning, when this place gas pipeline leaks because of the accident, be convenient for in time salvage.

Drawings

Fig. 1 is a schematic view of the overall structure of a protection system for a gas pipeline passing through a road according to the present invention;

FIG. 2 is a schematic view of the shock-absorbing rolling support structure of the protection system of the present invention;

fig. 3 is the utility model discloses protection system detects early warning device block diagram.

In the figure: 1. a sleeve; 2. a gas pipeline body; 3. a shock absorbing rolling support; 4. a plugging device; 5. detecting an early warning device; 21. an anticorrosive insulating layer; 31. an upper hoop; 32. a lower hoop; 33. a sleeve; 34. a guide post; 35. a connecting plate; 36. adjusting the bolt; 37. a roller; 41. sleeve fixing sleeves; 42. a gas pipeline fixing sleeve; 43. an elastic sealing ring; 51. a leakage detecting pipe; 52. a gas concentration sensor; 53. an electric wire; 54. a storage battery; 55. a wireless communication device; 56. a controller; 57. a solar panel; 301. hinging a shaft; 302. a bolt; 341. a guide bar; 342. a spring; 351. a circular arc supporting plate; 371. a horizontal axis; 372. a left support plate; 373. a right support plate; 374. a long groove.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.

Example 1: the utility model discloses the device is shown referring to and is looked at 1-2, a gas pipeline passes through protection system of road, include gas pipeline body 2, shock attenuation rolling support 3 and sleeve pipe 1 and install plugging device 4 at sleeve pipe 1 both ends, gas pipeline body 2 cup joints in sleeve pipe 1 through shock attenuation rolling support 3, and shock attenuation rolling support 3 distributes along 2 axis equidistance of gas pipeline body, and 2 outer walls of gas pipeline body upwards parcel have anticorrosive insulation layer 21 in week.

Concretely, shock attenuation rolling bracket 3 is including setting up the shock attenuation fixture in connecting plate 35 top and setting up the roll adjustment mechanism in connecting plate 35 below, wherein, shock attenuation fixture is including the clamp structure that is used for the fixed gas pipeline body 2 of centre gripping, the clamp includes semicircular last clamp 31 and lower clamp 32, the one end of going up clamp 31 and lower clamp 32 is passed through articulated shaft 301 and is articulated, the other end of going up clamp 31 and lower clamp 32 has the connecting block of stretching out respectively, the through-hole has been seted up on the connecting block, it is fixed through bolt 302, the last clamp 31 and the lower clamp 32 of this embodiment all adopt high density polyethylene (HPDE) to make, make gas pipeline and sleeve pipe electrical insulation, cathode protection's purpose has been improved, be favorable to gas pipeline corrosion resistance, gas pipeline's life has been prolonged.

Wherein, the fixed sleeve 33 that is connected with in lower clamp 32 below, the fixed guide pillar 34 that is provided with above the connecting plate 35 middle part, the central point of guide pillar 34 puts fixedly connected with guide arm 341, and sleeve 33 suit is on guide arm 341, and the cover is equipped with spring 342 on the guide arm 341, and the top of spring 342 and the inboard contact of the roof of sleeve 33 can become the flexible impact with the rigid impact between gas pipeline and the sleeve pipe through above setting up, improves the security of pipeline transportation gas.

In addition, the rolling adjusting mechanism comprises a left supporting plate 372 and a right supporting plate 373 which are fixed below the connecting plate 35, and a transverse shaft 371 which penetrates through and extends out of the left supporting plate 372 and the right supporting plate 373, a roller 37 is installed between the left supporting plate 372 and the right supporting plate 373 and positioned on the transverse shaft 371, the roller 37 is arranged on the transverse shaft 371 in a rolling manner, the cross section of the roller 37 is preferably waist drum-shaped, so that the area of the roller and the inner wall of the sleeve 1 is increased, the gravity of the gas pipeline body 2 is dispersed, and in order to better support the gas pipeline body 2, the roller 37 can be arranged in a double-; the left support plate 372 and the right support plate 373 are positioned on the transverse shaft 371 and correspondingly provided with vertical long grooves 374, the rolling adjusting mechanism further comprises adjusting bolts 36, the adjusting bolts 36 are positioned in corresponding screw holes of the connecting plate 35, screw rods of the adjusting bolts 36 are screwed in the screw holes formed in the connecting plate 35, screw rod end parts of the adjusting bolts 36 are pressed at two ends of the transverse shaft 371, preferably, contact parts of top parts of two ends of the transverse shaft 371 and screw rod end parts of the adjusting bolts 36 are set as platforms, the transverse shaft 371 is controlled to be positioned at different positions of the long grooves 374 through the adjusting bolts 36, and then the height of the gas pipeline body 2 is adjusted; the both ends of connecting plate 35 are connected with circular arc layer board 351, and the radius of curvature and the centre of a circle position of circular arc layer board 351 all are the same with the radius of curvature and the centre of a circle position of sleeve pipe 1 inner wall. When the gas pipeline is installed, the damping rolling support 3 is distributed at equal intervals along the axis of the gas pipeline body and clamped and fixed, the screw rod is tightly pressed on platforms at two ends of the transverse shaft 371 by rotating the adjusting bolt 36, namely the roller 37 moves downwards along the long groove 374, the position of the connecting plate 35 rises, at the moment, the roller 37 can roll in the sleeve, the gas pipeline body 2 is easily pushed into the sleeve 1, when the gas pipeline body is pushed into a preset position, the arc supporting plate 351 cannot be in contact with the inside of the sleeve 1 due to the fact that the position of the arc supporting plate 351 rises, the adjusting bolt 36 is rotated reversely at the moment, the arc supporting plates 351 at two ends of the connecting plate 34 are pressed on the inner wall of the sleeve 1 to serve as supports, and preferably, rubber cushion plates are arranged at the contact parts of the arc supporting plate.

As shown in fig. 1, the utility model discloses be provided with plugging device 4 at the both ends of sleeve pipe 1, it includes sleeve pipe fixed cover 41 and fixes the gas pipeline fixed cover 42 in sleeve pipe fixed cover 41 one end, and gas pipeline fixed cover 42 is kept away from on the inner wall of the one end of sleeve pipe fixed cover 41 and is provided with elastic sealing ring 43, specifically, gas pipeline fixed cover 42 is the tubaeform sleeve, and the tip fixed connection of the big bore end of gas pipeline fixed cover 42 and sleeve pipe fixed cover 41, and elastic sealing ring 43 fixes on the inner wall of the small bore end of gas pipeline fixed cover 42; the fixed cover of sleeve pipe 41 includes that outer sleeve and components of a whole that can function independently cover establish the inner skleeve inside the outer sleeve, the tip embedding of sleeve pipe 1 is installed between outer sleeve and inner skleeve, carry out the centre gripping to sleeve pipe 1's tip through interior outer sleeve, it is stable to connect, simultaneously separate through the inner skleeve of the fixed cover of sleeve pipe 41 between sleeve pipe 1's tip and the gas pipeline body 2, can avoid sleeve pipe 1 and 2 direct contact of gas pipeline body to cause the wearing and tearing of gas pipeline body 2, in addition through the setting of elastic seal circle 43, even gas pipeline body 2 receives gravity or vibration to take place slight movement, also.

As shown in fig. 1 and 3, in order to monitor and detect the safety of gas pipeline transportation, the system of the present invention is further provided with a detection early warning device 5, which comprises a leakage detecting pipe 51, a gas concentration sensor 52, a storage battery 54, a wireless communication device 55 and a controller 56; wherein, the one end of leak detection pipe 51 is passed elastic sealing ring 43 and is stretched into between sleeve pipe 1 and the gas pipeline body 2, the other end is located subaerial simple and easy room, and be connected with gas consistency transmitter 52, battery 54 and wireless communication device 55 are respectively through

electric wire

53 and 56 electric connection of controller, whether leak through gas consistency transmitter 52 inspection gas pipeline, send out the police dispatch newspaper through controller 56 control wireless communication device 55 when gas consistency exceedes the setting value, preferred wireless communication device 55 includes GPS positioner, be convenient for the staff take corresponding measure and in time accurately find the leakage position and salvage the maintenance.

The gas concentration sensor 52, the storage battery 54, the wireless communication device 55 and the controller 56 are all arranged in the simple room, so that the weather environment or the artificial damage to the equipment is avoided, and the long-term stable operation of the equipment is guaranteed; in addition, the simple outdoor is provided with a solar panel 57, the solar panel 57 is electrically connected with the storage battery 54 through the electric wire 53, the converted energy is stored in the storage battery 54 through the solar panel 57, and the controller 56 controls the supply of electric energy to other components.

The utility model relates to a protection system for gas pipeline crossing road is suitable for the major gas pipeline crossing road to protect, through setting up the damping rolling support between gas pipeline body and sleeve pipe, make things convenient for the gas pipeline of bigger weight to laborsavingly push into the sleeve pipe, and do not damage the anticorrosive insulating layer of gas pipeline and sleeve pipe, secondly when meetting vibrations, turn into the gas pipeline and the rigid impact of sleeve pipe into the flexible impact, improve the security of pipeline transportation gas; in addition, the system is provided with a GPS detection early warning device, other parts are powered through a solar cell panel, the system is particularly suitable for long-term real-time monitoring in remote areas, and the safety of pipeline transportation gas is further ensured.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a protection system that gas pipeline passes through road which characterized in that: the gas pipeline comprises a gas pipeline body (2), a damping rolling support (3), a sleeve (1) and plugging devices (4) arranged at two ends of the sleeve (1), wherein the gas pipeline body (2) is sleeved in the sleeve (1) through the damping rolling support (3), the damping rolling support (3) is distributed at equal intervals along the axis of the gas pipeline body (2), and an anti-corrosion insulating layer (21) is wrapped on the outer wall of the gas pipeline body (2) in the circumferential direction;

the plugging device (4) comprises a sleeve fixing sleeve (41) and a gas pipeline fixing sleeve (42) fixed at one end of the sleeve fixing sleeve (41), wherein an elastic sealing ring (43) is arranged on the inner wall of one end, far away from the sleeve fixing sleeve (41), of the gas pipeline fixing sleeve (42);

the damping rolling support (3) comprises a damping clamping mechanism arranged above the connecting plate (35) and a rolling adjusting mechanism arranged below the connecting plate (35), the damping clamping mechanism comprises a hoop used for clamping and fixing the gas pipeline body (2), the hoop comprises a semicircular upper hoop (31) and a semicircular lower hoop (32), one end of the upper hoop (31) and one end of the lower hoop (32) are hinged through a hinge shaft (301), and the other end of the upper hoop and the other end of the lower hoop are fixed through a bolt (302); a sleeve (33) is fixedly connected below the lower hoop (32), a guide post (34) is fixedly arranged in the middle of the connecting plate (35), a guide rod (341) is fixedly connected to the center of the guide post (34), the sleeve (33) is sleeved on the guide rod (341), a spring (342) is sleeved on the guide rod (341), and the upper part of the spring (342) is in contact with the inner side of the top wall of the sleeve (33); the rolling adjusting mechanism comprises a left supporting plate (372) and a right supporting plate (373) which are fixed below the connecting plate (35) and a transverse shaft (371) which penetrates through and extends out of the left supporting plate (372) and the right supporting plate (373), a roller (37) is arranged between the left supporting plate (372) and the right supporting plate (373) and positioned on the transverse shaft (371), the left support plate (372) and the right support plate (373) are correspondingly provided with vertical long grooves (374) at the positions of the transverse shafts (371), and also comprise adjusting bolts (36), the adjusting bolts (36) are positioned in corresponding screw holes of the connecting plate (35), the screw rods of the adjusting bolts (36) are screwed in the screw holes, and the end parts of the adjusting bolts are pressed at the two ends of the transverse shaft (371), the adjusting bolt (36) is used for controlling the cross shaft (371) to be positioned at different positions of the long groove (374), so that the height of the gas pipeline body (2) is adjusted.

2. The protection system for gas pipeline crossing road according to claim 1, characterized in that: the two ends of the connecting plate (35) are connected with arc supporting plates (351), and the curvature radius and the circle center position of each arc supporting plate (351) are the same as those of the inner wall of the sleeve (1).

3. The protection system for gas pipeline crossing road according to claim 1, characterized in that: the cross section of the roller (37) is waist drum-shaped.

4. The protection system for gas pipeline crossing road according to claim 1, characterized in that: the fixed cover of gas pipeline (42) is the horn-shaped sleeve, the tip fixed connection of the big bore end of the fixed cover of gas pipeline (42) and the fixed cover of sleeve pipe (41), elastic seal circle (43) are fixed on the inner wall of the small bore end of the fixed cover of gas pipeline (42).

5. The protection system for gas pipeline crossing road according to any one of claims 1 or 4, characterized in that: the sleeve fixing sleeve (41) comprises an outer sleeve and an inner sleeve which is sleeved in the outer sleeve in a split mode, and the end portion of the sleeve (1) is embedded and installed between the outer sleeve and the inner sleeve.

6. The protection system for gas pipeline crossing road according to claim 1, characterized in that: the upper clamp (31) and the lower clamp (32) are both made of high-density polyethylene.

7. The protection system for gas pipeline crossing road according to claim 1, characterized in that: the system is still including detecting early warning device (5), detect early warning device (5) including examining leak hunting pipe (51), gas consistency transmitter (52), battery (54), wireless communication device (55) and controller (56), the one end of examining leak hunting pipe (51) stretches into between sleeve pipe (1) and gas pipeline body (2), and the other end is located subaerial simple and easy room, and is connected with gas consistency transmitter (52), battery (54) and wireless communication device (55) are respectively through electric wire (53) and controller (56) electric connection.

8. The protection system for gas pipeline crossing road according to claim 7, characterized in that: a solar cell panel (57) is arranged outside the simple house, and the solar cell panel (57) is electrically connected with the storage battery (54) through an electric wire (53).

9. The protection system for gas pipeline crossing road according to claim 7, characterized in that: the wireless communication device (55) comprises a GPS positioning device.