CN115899592A - Automatic repairing device for pipeline inside comprehensive pipe rack - Google Patents
Automatic repairing device for pipeline inside comprehensive pipe rack Download PDFInfo
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- CN115899592A CN115899592A CN202211439133.XA CN202211439133A CN115899592A CN 115899592 A CN115899592 A CN 115899592A CN 202211439133 A CN202211439133 A CN 202211439133A CN 115899592 A CN115899592 A CN 115899592A
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Abstract
The invention relates to the technical field of comprehensive pipe galleries, and particularly discloses an automatic repairing device for a pipeline inside a comprehensive pipe gallery. In the invention, in the process of detecting the device body in the comprehensive pipe gallery, if the water pipe or the air pipe in the comprehensive pipe gallery is leaked or leaked, the air bag can be inflated by the inflating mechanism arranged in the device body, so that the air bag is attached to the outer wall of the water pipe or the air pipe after being inflated and expanded, the damaged part of the water pipe or the air pipe is temporarily repaired, the condition is avoided to be more serious, and enough time is provided for the arrival of workers.
Description
Technical Field
The invention relates to a repairing device, in particular to an automatic repairing device for an internal pipeline of a comprehensive pipe rack, and belongs to the technical field of comprehensive pipe racks.
Background
The utility tunnel is an underground urban pipeline utility tunnel, namely, a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing urban operation.
The utility tunnel majority adopts artifical periodic detection and combines the control alarm information of utility tunnel monitored control system feedback among the prior art, carries out daily detection and maintenance. Although research out to the inside particularity of utility tunnel among the prior art can replace artificial detection device, but present detection device only has the effect of surveying in the utility tunnel and patrolling and examining, the unexpected condition appears in the utility tunnel, if the pipeline leaks, leaks gas, the electric wire short circuit is on fire etc. the staff can't in time arrive accident ground, detection device is though the discovery unexpected condition that can be timely, does not have the function of handling it for detection device's practicality greatly reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an automatic repairing device for an internal pipeline of a comprehensive pipe rack.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic prosthetic devices for utility tunnel inner pipe way, includes the device body, two detecting lens are installed to the top position placed in the middle of the device body, and a first electric telescopic handle and two second electric telescopic handle are installed respectively to the both sides that the top of device body is located two detecting lens, and the mount pad is installed jointly to two second electric telescopic handle's the end that stretches out, and rotates through the pivot in the mount pad and install the gasbag, and four sides of device body all are equipped with anticollision institution.
Optionally, the outer wall of the top of the air bag is provided with a fluff layer, and dry powder is filled in the air bag.
Optionally, a first motor is installed on the outer wall of one side of the installation seat, the output end of the first motor is connected with one end of a rotating shaft of the air bag, and two suckers are symmetrically installed at the top of one end, far away from the installation seat, of the air bag.
Optionally, an opening is formed in a position, close to the rotating shaft, of the mounting seat, and a limiting bolt is installed on the mounting seat close to the opening in a threaded mode.
Optionally, the top of the device body is provided with a groove, the interior of the device body is rotatably provided with a rotating seat, and the bottom end of the first electric telescopic rod is connected with the top end of the rotating seat.
Optionally, the extending end of the first electric telescopic rod is rotatably provided with a first arc-shaped plate, the two ends of the first arc-shaped plate are respectively and movably provided with a second arc-shaped plate, and the bottom of the end, away from the mounting seat, of the air bag is abutted against the two second arc-shaped plates.
Optionally, a sliding groove is formed in the first arc-shaped plate, and electric sliding blocks capable of sliding in the sliding groove are arranged at the ends, close to the two second arc-shaped plates, of the two second arc-shaped plates.
Optionally, the anti-collision mechanism comprises four groups of slide bars slidably mounted on four sides of the device body, the anti-collision plate is mounted at one end of each of the four groups of slide bars, and the outer wall of one end of each of the four groups of slide bars, which is outside the device body, is sleeved with a return spring.
Optionally, a cavity is formed in the device body, the other ends of the four groups of sliding rods penetrate through the device body and extend into the cavity, a second motor is installed on the inner bottom surface of the cavity, and a winding wheel is installed at the output end of the second motor.
Optionally, two pull ropes are wound on the outer wall of the winding wheel, connecting plates are mounted at the end portions of two groups of the slide rods extending into the cavity, and one ends of the two pull ropes far away from the winding wheel are connected with the connecting plates close to the two pull ropes respectively.
The invention has the beneficial effects that:
1. in the invention, in the process of detecting the device body in the comprehensive pipe gallery, if the water pipe or the air pipe in the comprehensive pipe gallery is leaked or leaked, the air inflation mechanism arranged in the device body can inflate the inside of the air bag, so that after the air bag is in an inflation state, the position of the air bag is adjusted according to the leaked or leaked position, the air bag can be attached to the outer wall of the water pipe or the air pipe, the damaged part of the water pipe or the air pipe is temporarily repaired, the condition is avoided to be more serious, enough time is provided for the arrival of a worker, and the practicability of the detection device is greatly improved.
2. According to the device, when the device body discovers that the electric wire in the comprehensive pipe gallery is on fire, the air bag can be inflated through the inflating mechanism arranged in the device, the position of the air bag is adjusted to be in contact with the ignition part, and dry powder in the air bag falls downwards after the air bag is burnt by flame, so that the fire of the ignition part of the electric wire is controlled, the ignition phenomenon is prevented from being worsened, and the serious loss is avoided.
3. In the invention, if other passing workers or other equipment accidentally collide with the device body in the moving process of the device body, the anti-collision mechanisms arranged on the four side surfaces of the device body can protect the device body, so that the damage of the shell of the device body is avoided, and the detection lens can be protected by the air bag in an inflated state for the danger from above, thereby comprehensively improving the protection of the device body.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings
Fig. 1 is a schematic overall structural diagram of an automatic repair device for an internal pipeline of a utility tunnel according to the present invention;
FIG. 2 is a schematic view of the upward rotation of the bladder of FIG. 1;
FIG. 3 is a schematic view of the downward rotation of the bladder of FIG. 2;
FIG. 4 is a sectional view showing the structure of the device body according to the present invention;
FIG. 5 is a schematic view of the structure of the anti-collision mechanism of the present invention;
FIG. 6 is a schematic view of the first and second arcuate plates of the present invention;
fig. 7 is a structural sectional view of an airbag according to the present invention.
In the figure: 1. a device body; 2. detecting a lens; 3. an anti-collision plate; 4. an air bag; 5. a first motor; 6. a suction cup; 7. a second electric telescopic rod; 8. a first electric telescopic rod; 9. a mounting seat; 10. a first arc-shaped plate; 11. a limit bolt; 12. an opening; 13. a groove; 14. a cavity; 15. a second motor; 16. a winding wheel; 17. pulling a rope; 18. a connecting plate; 19. a slide bar; 20. a return spring; 21. a rotating seat; 22. a chute; 23. an electric slider; 24. a second arc-shaped plate; 25. a fluff layer; 26. and (4) dry powder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an automatic prosthetic devices for utility tunnel internal pipeline, including device body 1, two detecting lens 2 are installed to the top position placed in the middle of device body 1, a first electric telescopic handle 8 and two second electric telescopic handle 7 are installed respectively to the top of device body 1 is located the both sides of two detecting lens 2, mount pad 9 is installed jointly to the end that stretches out of two second electric telescopic handle 7, and rotate through the pivot in the mount pad 9 and install gasbag 4, four sides of device body 1 all are equipped with anticollision institution.
As a technical optimization scheme of the invention, the outer wall of the top of the air bag 4 is provided with a fluff layer 25, and the interior of the air bag 4 is filled with dry powder 26.
As a technical optimization scheme of the invention, the outer wall of one side of the mounting seat 9 is provided with the first motor 5, the output end of the first motor 5 is connected with one end of the rotating shaft of the air bag 4, and the tops of the ends, far away from the mounting seat 9, of the air bag 4 are symmetrically provided with the two suckers 6.
As a technical optimization scheme of the invention, an opening 12 is formed in the part, close to the rotating shaft, of the mounting seat 9, and a limiting bolt 11 is installed on the part, close to the opening 12, of the mounting seat 9 in a threaded mode.
As a technical optimization scheme of the invention, the top of the device body 1 is provided with a groove 13, a rotating seat 21 is rotatably arranged in the groove, and the bottom end of the first electric telescopic rod 8 is connected with the top end of the rotating seat 21.
As a technical optimization scheme of the invention, a first arc-shaped plate 10 is rotatably arranged at the extending end of the first electric telescopic rod 8, second arc-shaped plates 24 are movably arranged at two ends of the first arc-shaped plate 10, and the bottom of one end, far away from the mounting seat 9, of the air bag 4 is abutted to the two second arc-shaped plates 24.
As a technical optimization scheme of the invention, the first arc-shaped plate 10 is internally provided with a sliding chute 22, and one ends of the two second arc-shaped plates 24 close to each other are respectively provided with an electric sliding block 23 capable of sliding in the sliding chute 22. In the process of detecting the device body 1 in the comprehensive pipe rack, if the situation of water leakage or air leakage of a pipeline is found, the air bag 4 can be inflated through the inflating mechanism arranged in the device body 1, so that the air bag 4 is in an inflating and expanding state, if the part with water leakage or air leakage is positioned at the bottom of the pipeline, the air bag can be directly started by the first electric telescopic rod 8 and the second electric telescopic rod 7 together, the extending end of the air bag extends upwards and drives the mounting seat 9 and the first arc-shaped plate 10 to move upwards together, and the air bag 4 is driven to move upwards until the air bag is tightly abutted against the outer wall of the bottom of the pipeline, so that the damaged part at the bottom of the pipeline is temporarily repaired and the water and air are inhibited from continuously leaking; if the part with water leakage or air leakage is located on the side face of the pipeline, the first motor 5 can be started to drive the air bag 4 to rotate upwards to be in a vertical state, the extending end of the first electric telescopic rod 8 extends upwards to drive the air bag 4 to move upwards to be flush with the pipeline according to the height of the pipeline, the extending end of the first electric telescopic rod 8 extends upwards to drive the first arc-shaped plate 10 to move upwards, the two electric sliding blocks 23 move towards the mutual approaching direction in the sliding groove 22 to drive the two second arc-shaped plates 24 to be stored in the first arc-shaped plate 10, then the driving device in the device body 1 drives the rotating seat 21 to rotate towards the air bag 4 direction, so that the first arc-shaped plate 10 at the top of the first electric telescopic rod 8 can be driven to rotate towards the air bag 4 direction, after the rotating seat 21 drives the first arc-shaped plate 10 to rotate to a proper angle, the first arc-shaped plate 10 rotates 90 degrees at the extending end of the first electric telescopic rod 8, the extending end of the first electric telescopic rod 8 continues to extend out and push the first arc-shaped plate 10 to contact with the air bag 4 until the first electric telescopic rod 8 drives the first arc-shaped plate 10 to extrude the damaged side face of the pipeline to repair the damaged pipeline, namely, and the damaged side face of the pipeline, and the damaged position of the pipeline; if the position that appears leaking or gas leakage is at the top of pipeline, accessible first motor 5 drives gasbag 4 and rotates 180 degrees, after the end that stretches out through second electric telescopic handle 7 drives gasbag 4 that is the horizontality and upwards moves to the height that surpasss the pipeline, device body 1 moves a section distance towards the pipeline direction, make gasbag 4 be located directly over the pipeline, all can accumulate the dust under the above-mentioned general condition of pipeline, because gasbag 4 is close to one side outer wall of pipeline and is equipped with tapetum 25, second electric telescopic handle 7 control gasbag 4 has tapetum 25 one side and pipeline top after contacting, device body 1 round trip movement drives tapetum 25 and clears up the dust at pipeline top, then two sucking discs 6 that the one end that gasbag 4 kept away from mount pad 9 set up can contact with the top outer wall of pipeline, and draw the inside air of sucking disc 6 through gasbag 4 mechanism that the inside of mount pad 9 one end sets up far away from, make sucking disc 6 can closely adsorb with pipeline top outer wall, then can control the end that stretches out of second electric telescopic handle 7 to shrink downwards, drive the one end of gasbag 4 move down, make gasbag 4 receive the extrusion and extrude and repair the damaged pipeline, the damaged position, the damaged pipeline can all come according to the damaged pipeline according to the maintenance of the time of the pipeline, the damaged people that leaks, the top that the maintenance of gasbag can all come.
When the device body 1 finds that the electric wire in the utility tunnel is on fire, the air bag 4 can be inflated through the inflating mechanism arranged in the device body 1, the extending end of the second electric telescopic rod 7 moves upwards to drive the air bag 4 to move to a position flush with the electric wire, the first motor 5 drives the air bag 4 to rotate, so that the air bag 4 is in contact with the ignition part of the electric wire, and the dry powder 26 in the air bag 4 falls downwards after the air bag 4 is burnt by flames, so that the fire of the ignition part of the electric wire is controlled, the ignition phenomenon is prevented from being worsened, and more serious loss is brought; when the airbag 4 is damaged due to the fact that the electric wire is ignited, the two limiting bolts 11 on the top of the mounting seat 9 can be taken down, so that the opening 12 of the mounting seat 9 is not limited by the limiting bolts 11, the damaged airbag 4 can be taken out of the opening 12, a new airbag 4 is installed in the opening 12, and the effect of conveniently replacing the airbag 4 is achieved; and when the pipeline surface sign in utility tunnel influences staff's discernment after being covered by the dust, accessible gasbag 4 is being under the inflation state, drive gasbag 4 through first motor 5 and rotate to vertical state, make gasbag 4 have one side outer wall of tapetum 25 and the outer wall of pipeline laminating mutually, device body 1 round trip movement can drive rubbing mutually between gasbag 4 and the pipeline, and then drive tapetum 25 of gasbag 4 and clear up the removal to the dust that the pipeline outer wall covers at the sign surface, make things convenient for the clear sign of discerning the pipeline outer wall of staff.
As a technical optimization scheme of the invention, the anti-collision mechanism comprises four groups of slide bars 19 which are slidably arranged on four side surfaces of the device body 1, one ends of the four groups of slide bars 19 are respectively provided with the anti-collision plate 3, and the outer walls of the ends of the four groups of slide bars 19 outside the device body 1 are respectively sleeved with a return spring 20.
As a technical optimization scheme of the invention, a cavity 14 is formed in the device body 1, the other ends of the four groups of slide bars 19 extend into the cavity 14 after penetrating through the device body 1, a second motor 15 is arranged on the inner bottom surface of the cavity 14, and a winding wheel 16 is arranged at the output end of the second motor 15.
As a technical optimization scheme of the invention, two pull ropes 17 are wound on the outer wall of the winding wheel 16, wherein connecting plates 18 are respectively installed at the end parts of two groups of sliding rods 19 extending into the cavity 14, and one ends of the two pull ropes 17 far away from the winding wheel 16 are respectively connected with the connecting plates 18 close to the two pull ropes. In the moving process of the device body 1 in the utility tunnel, if the device body 1 is moving, other passing workers or other equipment collide with the device body 1 carelessly and can be preferentially contacted with the anti-collision plate 3 to extrude, so that the slide rod 19 is driven to move towards the cavity 14, the reset spring 20 is stressed to be in a compression state, certain buffer release is carried out on the collision force, the device body 1 is protected, the situation that the shell of the device body 1 is directly contacted with external force to be damaged is avoided, and for the danger from above, the detection lens 2 and the top of the device body 1 can be protected through the air bag 4 in an inflated state, so that the detection work of the device body 1 in the utility tunnel is safer; if the device body 1 moves to a narrower position, the anti-collision plates 3 on the two sides of the device body 1 can increase the volume, and can be started by the second motor 15 arranged in the cavity 14 to drive the winding wheel 16 to wind the two pull ropes 17, so that the two groups of slide rods 19 on the two sides of the device body 1 can be pulled to move towards the cavity 14, the two anti-collision plates 3 are driven to move towards the device body 1, the volume on the two sides of the device body 1 is reduced, and the device body 1 can conveniently pass through a narrow road section; and when the fluff layer 25 of the air bag 4 cleans dust on the outer wall of the pipeline for a long time, the air bag 4 can be adhered with the dust, so that the subsequent dust cleaning effect on the outer wall of the pipeline is reduced, the air bag 4 can be driven by the first motor 5 to rotate to be in contact with the anti-collision plate 3 close to one side of the air bag, the second motor 15 is started to drive the winding wheel 16 to rotate in a positive and negative way intermittently, so that the winding wheel 16 can drive the sliding rod 19 to drive the reset spring 20 to be in a repeated reset and compression state by pulling the pull rope 17, the anti-collision plate 3 can be further driven to be in a reciprocating moving state, the air bag 4 is beaten and collided, the dust adhered to the fluff layer 25 can be removed in the beating and colliding process of the anti-collision plate 3, and the subsequent fluff layer 25 can be convenient to better remove the dust on the outer wall of the pipeline.
In the invention, in the process of detecting the device body 1 in the comprehensive pipe rack, if the condition of water leakage or air leakage of a pipeline is found, the air bag 4 can be inflated through the inflating mechanism arranged in the device body 1, if the position of the water leakage or the air leakage is at the bottom of the pipeline, the air bag can be directly started by the first electric telescopic rod 8 and the second electric telescopic rod 7 together, the air bag 4 is driven to move upwards until the air bag is tightly abutted against the outer wall of the bottom of the pipeline, the effects of temporarily repairing the damaged part at the bottom of the pipeline and inhibiting the continuous leakage of water and air are achieved, and the air bag 4 in an inflating and expanding state can temporarily repair the damaged water leakage and the air leakage of different parts of the pipeline, so that time is won for the coming maintenance of workers.
When the phenomenon of getting on fire appears in the electric wire in the discovery utility tunnel of device body 1, the mechanism of aerifing of 1 internally mounted of accessible device body aerifys gasbag 4 to drive the position of getting on fire of gasbag 4 and electric wire through second electric telescopic handle 7 and first motor 5 and contact, burn the back with gasbag 4 through the flame, make gasbag 4 inside dry powder 26 drop downwards, control the intensity of a fire at the position of getting on fire of electric wire, avoid the phenomenon of getting on fire to worsen more.
When the pipeline surface sign in utility tunnel influences staff's discernment after being covered by the dust, accessible gasbag 4 is being under the inflation state, drive gasbag 4 through first motor 5 and rotate to vertical state, make gasbag 4 have one side outer wall of tapetum 25 and the outer wall of pipeline laminating mutually, device body 1 round trip movement can drive and rub mutually between gasbag 4 and the pipeline, and then drive tapetum 25 of gasbag 4 and clear up the removal to the dust that the pipeline outer wall covers at the sign surface, make things convenient for the clear sign of discerning the pipeline outer wall of staff.
In the process that the device body 1 moves in the comprehensive pipe rack, the collision prevention mechanisms arranged around the device body 1 and the air bags 4 with the top in an inflated state can comprehensively protect the device body 1, so that the shell of the device body 1 is prevented from being directly contacted with external force and damaged, and the detection work of the device body 1 in the comprehensive pipe rack is safer; when the device body 1 advances to comparatively narrow position, accessible second motor 15 drives wind-up wheel 16 and rolls two stay cords 17, and then can drive two crashproof boards 3 and move towards device body 1 direction for the volume of device body 1 both sides reduces, makes things convenient for device body 1 to pass narrow highway section.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an automatic prosthetic devices for utility tunnel inner pipe way, includes device body (1), a serial communication port, two detecting lens (2) are installed to the top position placed in the middle of device body (1), and one first electric telescopic handle (8) and two second electric telescopic handle (7) are installed respectively to the both sides that the top of device body (1) is located two detecting lens (2), and mount pad (9) are installed jointly to the end that stretches out of two second electric telescopic handle (7), and rotate through the pivot in mount pad (9) and install gasbag (4), four sides of device body (1) all are equipped with anticollision institution.
2. The automatic repair device for utility tunnel internal pipes according to claim 1, characterized in that the top outer wall of the air bag (4) is provided with a fluff layer (25), and the interior of the air bag (4) is filled with dry powder (26).
3. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 1, wherein a first motor (5) is installed on the outer wall of one side of the installation seat (9), the output end of the first motor (5) is connected with one end of a rotating shaft of the air bag (4), and two suckers (6) are symmetrically installed at the top of one end, far away from the installation seat (9), of the air bag (4).
4. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 3, wherein an opening (12) is formed in a position, close to the rotating shaft, of the mounting seat (9), and a limiting bolt (11) is installed on the mounting seat (9) close to the opening (12) in a threaded mode.
5. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 1, wherein the top of the device body (1) is provided with a groove (13), a rotating seat (21) is rotatably arranged inside the device body, and the bottom end of the first electric telescopic rod (8) is connected with the top end of the rotating seat (21).
6. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 5, wherein a first arc-shaped plate (10) is rotatably installed at the extending end of the first electric telescopic rod (8), second arc-shaped plates (24) are movably installed at two ends of the first arc-shaped plate (10), and the bottom of one end, far away from the mounting seat (9), of the air bag (4) is abutted to the two second arc-shaped plates (24).
7. The automatic repairing device for the pipeline inside the comprehensive pipe rack according to claim 6, wherein a sliding groove (22) is formed inside the first arc-shaped plate (10), and an electric sliding block (23) capable of sliding in the sliding groove (22) is arranged at one end, close to each other, of each of the two second arc-shaped plates (24).
8. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 1, wherein the anti-collision mechanism comprises four groups of sliding rods (19) which are slidably mounted on four sides of the device body (1), the anti-collision plate (3) is mounted at one end of each of the four groups of sliding rods (19), and the outer wall of one end, outside the device body (1), of each of the four groups of sliding rods (19) is sleeved with a return spring (20).
9. The automatic repairing device for the pipeline inside the comprehensive pipe gallery according to claim 8, wherein a cavity (14) is formed inside the device body (1), the other ends of the four groups of sliding rods (19) extend into the cavity (14) through the device body (1), a second motor (15) is installed on the inner bottom surface of the cavity (14), and a winding wheel (16) is installed at the output end of the second motor (15).
10. The automatic repair device for the inner pipeline of the utility tunnel according to claim 9, characterized in that the outer wall of the winding wheel (16) is wound with two pulling ropes (17), wherein two sets of sliding rods (19) extending into the cavity (14) are provided with the connecting plates (18), and one ends of the two pulling ropes (17) far away from the winding wheel (16) are respectively connected with the connecting plates (18) close to the pulling ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439133.XA CN115899592A (en) | 2022-11-17 | 2022-11-17 | Automatic repairing device for pipeline inside comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439133.XA CN115899592A (en) | 2022-11-17 | 2022-11-17 | Automatic repairing device for pipeline inside comprehensive pipe rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115899592A true CN115899592A (en) | 2023-04-04 |
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ID=86480901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211439133.XA Pending CN115899592A (en) | 2022-11-17 | 2022-11-17 | Automatic repairing device for pipeline inside comprehensive pipe rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115899592A (en) |
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2022
- 2022-11-17 CN CN202211439133.XA patent/CN115899592A/en active Pending
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