CN210510736U - Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment - Google Patents
Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment Download PDFInfo
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- CN210510736U CN210510736U CN201921216880.0U CN201921216880U CN210510736U CN 210510736 U CN210510736 U CN 210510736U CN 201921216880 U CN201921216880 U CN 201921216880U CN 210510736 U CN210510736 U CN 210510736U
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- municipal drainage
- drainage pipe
- connecting rod
- block
- expansion equipment
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Abstract
The utility model discloses a non-excavation of municipal drainage pipe is restoreed and is used pipe inner wall expansion equipment, including barrel, walking wheel, pneumatic cylinder, movable block, connecting rod and kicking block, its characterized in that: the hydraulic cylinder is arranged on the bearing plate, the moving block is arranged in the cylinder body, the bottom end of the connecting rod is connected with the positioning plate through a first pin shaft, and the top block is provided with a connecting plate. The utility model discloses set up the kicking block into the arc structure, reduced the area of contact of kicking block and municipal drainage pipe position of subsiding, strengthened the location to the pressure of municipal drainage pipe position of subsiding, the kicking block of being convenient for carries out the jack-up to municipal drainage pipe position of subsiding, improves the efficiency of restoration and the repair mass of municipal drainage pipe position of subsiding, has reduced operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to a municipal administration drain pipe technical field specifically is a non-excavation of municipal administration drain pipe is restoreed and is used pipeline inner wall expansion equipment.
Background
The drain pipe of municipal drainage pipe network is the important pipeline that discharges production sewage, domestic sewage, and municipal drainage pipe is in the use, and municipal drainage pipe's extrusion causes municipal drainage pipe's partial position easily to collapse, and in order to restore municipal drainage pipe's the position that collapses, need expand the processing to municipal drainage pipe's elastic position, current municipal drainage pipe expanding unit has the structure complicacy, work efficiency hangs down, the commonality is poor, the not good problem of municipal drainage pipe repair effect.
Disclosure of Invention
The utility model aims at overcoming the problem that current municipal drainage pipe restoration expanding unit exists that the structure is complicated, work efficiency is low, the commonality is poor, municipal drainage pipe repair effect is not good, providing a municipal drainage pipe non-excavation restoration of structural design reasonable, work efficiency is low, the commonality is good, municipal drainage pipe repair effect is good uses pipe inner wall expansion equipment.
The utility model provides a technical scheme that technical problem taken does:
the utility model provides a non-excavation of municipal drainage pipe is restoreed and is used pipeline inner wall expansion equipment, includes barrel, walking wheel, pneumatic cylinder, movable block, connecting rod and kicking block, its characterized in that: the two ends of the cylinder body are respectively provided with a bearing plate, the cylinder body is provided with a limiting groove, the cylinder body is connected with the bearing plates through welding, the connection strength between the cylinder body and the bearing plates is improved, the structural strength of the expansion equipment is enhanced, the stability of the expansion equipment in the working process is improved, the travelling wheels are placed in the fixed grooves, the travelling wheels are provided with connecting shafts and connected with the bearing plates, pull rings on the bearing plates are connected with external traction equipment, power can be provided for the movement and transportation of the expansion equipment, the expansion equipment moves back and forth in the municipal drainage pipe through the travelling wheels, the friction between the expansion equipment and the municipal drainage pipe is reduced through the travelling wheels, the movement of the expansion equipment is convenient, the repair efficiency of the municipal drainage pipe is improved, the hydraulic cylinder is arranged on the bearing plates, a piston rod is arranged on the hydraulic cylinder, and the piston rod transversely, the hydraulic cylinder is arranged on the bearing plate through a bolt, the installation efficiency and the stability after installation of the hydraulic cylinder are improved, the stability of the hydraulic cylinder in the working process is enhanced, the moving block is arranged in the cylinder body, the moving block is connected with the piston rod, the positioning plate is arranged on the moving block, the moving block is connected with the piston rod and the positioning plate through welding, the connection strength between the moving block and the piston rod and the positioning plate is improved, the stability of the positioning plate in the moving process of driving the connecting rod to move through a first pin shaft is enhanced, the bottom end of the connecting rod is connected with the positioning plate through a first pin shaft, the top end of the connecting rod penetrates through a limiting groove, the top block is provided with a connecting plate, the connecting plate is connected with the connecting rod through a second pin shaft, the hydraulic cylinder pushes the piston rod to move back, the connecting rod top is above-mentioned or descends along with the removal of connecting rod bottom, makes the kicking block on connecting rod top can jack-up municipal drainage pipe position of collapsing, expands the processing to municipal drainage pipe, improves expansion equipment's work efficiency, reinforcing municipal drainage pipe's repair efficiency and restoration quality.
As preferred, the barrel on be provided with the camera, can carry out comprehensive shooting to municipal drainage pipe inner wall through the camera, the staff of being convenient for knows the position of collapsing in the municipal drainage pipe, make the removal that the staff can control the expansion equipment, be convenient for prop up the municipal drainage pipe position of collapsing to the expansion equipment, improve the precision of the jack-up position of municipal drainage pipe position of collapsing, thereby improve municipal drainage pipe's expansion efficiency and expansion quality, in order to reduce the circuit of expansion equipment, camera work can adopt portable power source to provide, for the convenience of staff observes the inside condition of municipal drainage pipe, can install lighting facilities on the camera.
Preferably, the bottom end of the connecting rod is arranged to be a structure which can rotate between the positioning plate and the positioning plate through a first pin shaft, the top end of the connecting rod is arranged to be a structure which can rotate between the connecting plate and the connecting plate through a second pin shaft, the hydraulic cylinder pushes the piston rod to move back and forth, the piston rod drives the moving block and the positioning plate on the moving block to move back and forth, the positioning plate pulls the bottom end of the connecting rod to move through the first pin shaft, and the top end of the connecting rod descends or rises along with the movement of the bottom end of the connecting rod, so that the top block at the top end of the connecting rod can jack up the collapse position of the municipal drainage pipe, the municipal drainage pipe is expanded, the working efficiency of the expansion device is improved, the top end of the connecting rod rotates between the connecting plate and the connecting plate on the top block through, the cost of making many sets of expansion equipment is reduced, can play limiting displacement for the connecting rod in the accommodation process through the spacing groove, make the connecting rod can only remove in the spacing groove, improve the stability of connecting rod in the accommodation process.
Preferably, the top block is arranged to be of an arc-shaped structure, the contact area of the top block and the municipal drainage pipeline collapse position is reduced, the pressure of the municipal drainage pipeline collapse position in positioning is enhanced, the top block can jack the municipal drainage pipeline collapse position conveniently, the repair efficiency and the repair quality of the municipal drainage pipeline collapse position are improved, and the labor intensity of operators is reduced.
Preferably, the bearing plate is provided with the pull ring, the pull ring is connected with external traction equipment, power can be provided for moving and transporting the expansion equipment, the expansion equipment is enabled to move in the municipal drainage pipe conveniently, the expansion equipment is enabled to jack up and expand the collapsed position in the municipal pipeline conveniently, the repair efficiency and the repair quality of the municipal drainage pipe are improved, and the labor intensity of operators is reduced.
Has the advantages that: the utility model pushes the piston rod to move back and forth by the hydraulic cylinder, the piston rod drives the moving block and the positioning plate on the moving block to move back and forth, the positioning plate pulls the bottom end of the connecting rod to move by the first pin shaft, the top end of the connecting rod is enabled to be lifted up to the collapse position of the municipal drainage pipe along with the movement of the bottom end of the connecting rod or to descend, so that the top end of the connecting rod can be rotated between the connecting plate and the connecting plate on the top block by the second pin shaft, so that different angles can be presented between the top block and the connecting rod, the top block can be convenient to jack up different positions of the collapse position, the universality of the expansion device is improved, the cost for manufacturing a plurality of expansion devices is reduced, the limiting effect can be achieved for the connecting rod in the adjusting process by the limiting groove, and the connecting, the stability of connecting rod in the adjustment process is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the cylinder and the limiting groove.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the bearing plate and the traveling wheels.
Fig. 4 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the connecting rod and the top block.
Fig. 5 is a schematic diagram of another embodiment of the present invention.
Fig. 6 is a schematic view of a part of the structure of fig. 5 of the present invention, illustrating a connection structure of the moving block and the slider.
In the figure: 1. the novel high-precision positioning device comprises a cylinder body, a traveling wheel 2, a hydraulic cylinder 3, a moving block 4, a connecting rod 5, a top block 6, a bearing plate 7, a camera 8, a limiting groove 9, a pull ring 10, a fixing groove 11, a connecting shaft 12, a piston rod 13, a positioning plate 14, a pin shaft I15, a connecting plate 16, a pin shaft II 17, a limiting rod 18, a sliding block 19 and a sliding barrel 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in the attached figures 1-4, the pipeline inner wall expansion device for the non-excavation repair of the municipal drainage pipe comprises a cylinder body 1, a walking wheel 2, a hydraulic cylinder 3, a moving block 4, a connecting rod 5 and a top block 6, and is characterized in that: the two ends of the cylinder body 1 are respectively provided with a bearing plate 7, the cylinder body 1 is provided with a limiting groove 9, the cylinder body 1 is connected with the bearing plates 7 through welding, the connection strength between the cylinder body 1 and the bearing plates 7 is improved, the structural strength of the expansion equipment is enhanced, the stability of the expansion equipment in the working process is improved, the travelling wheels 2 are placed in the fixing grooves 11, the travelling wheels 2 are provided with connecting shafts 12 and are connected with the bearing plates 7, the pull rings 10 on the bearing plates 7 are connected with external traction equipment to provide power for the movement and transportation of the expansion equipment, the expansion equipment moves back and forth in the municipal drainage pipe through the travelling wheels 2, the friction force between the expansion equipment and the municipal drainage pipe is reduced through the travelling wheels 2, the movement of the expansion equipment is convenient, the repair efficiency of the municipal drainage pipe is improved, the hydraulic cylinder 3 is arranged on the bearing plates 7, the hydraulic cylinder 3 is provided with a piston rod 13, the piston rod 13 transversely extends into the cylinder body 1, the hydraulic cylinder 3 is arranged on the bearing plate 7 through a bolt, the installation efficiency and the stability of the hydraulic cylinder 3 are improved, the stability of the hydraulic cylinder 3 in the working process is enhanced, the moving block 4 is arranged in the cylinder body 1, the moving block 4 is connected with the piston rod 13, a positioning plate 14 is arranged on the moving block 4, the moving block 4 is connected with the piston rod 13 and the positioning plate 14 through welding, the connection strength between the moving block 4 and the piston rod 13 as well as the positioning plate 14 is improved, the stability of the positioning plate 14 in the moving process is enhanced by driving the connecting rod 5 through a pin shaft 15, the bottom end of the connecting rod 5 is connected with the positioning plate 14 through the pin shaft 15, the top end of the connecting rod 5 passes through the limiting groove 9, and, and connecting plate 16 is connected with connecting rod 5 through round pin axle two 17, pneumatic cylinder 3 promotes piston rod 13 round trip movement, piston rod 13 drives movable block 4 and the locating plate 14 round trip movement on the movable block 4, locating plate 14 pulls the bottom of connecting rod 5 through round pin axle one 15 and moves, the top of connecting rod 5 is above-mentioned or descends along with the removal of connecting rod 5 bottom, make the kicking block 6 on connecting rod 5 top can jack up municipal drainage pipe collapse position, expand the processing to municipal drainage pipe, improve the work efficiency of expansion equipment, reinforcing municipal drainage pipe's repair efficiency and restoration quality.
As preferred, barrel 1 on be provided with camera 8, can carry out comprehensive shooting to municipal drainage pipe inner wall through camera 8, the staff of being convenient for knows the position of collapsing in the municipal drainage pipe, make the staff can control the removal of expansion equipment, be convenient for prop up the municipal drainage pipe position of collapsing to expansion equipment, improve the precision of the jack-up position of municipal drainage pipe position of collapsing, thereby improve municipal drainage pipe's expansion efficiency and expansion quality, in order to reduce the circuit of expansion equipment, camera 8 work can adopt portable power source to provide, for the staff observes the inside condition of municipal drainage pipe, can install lighting fixtures on camera 8 for the sake of convenience.
Preferably, the bottom end of the connecting rod 5 is arranged to be a structure capable of rotating between the positioning plate 14 and the positioning plate 14 through a first pin shaft 15, the top end of the connecting rod 5 is arranged to be a structure capable of rotating between the connecting plate 16 and the connecting plate 16 through a second pin shaft 17, the hydraulic cylinder 3 pushes the piston rod 13 to move back and forth, the piston rod 13 drives the moving block 4 and the positioning plate 14 on the moving block 4 to move back and forth, the positioning plate 14 pulls the bottom end of the connecting rod 5 to move through the first pin shaft 15, the top end of the connecting rod 5 moves up or down along with the movement of the bottom end of the connecting rod 5, so that the top block 6 at the top end of the connecting rod 5 can jack up the collapse position of the municipal drainage pipe to perform expansion treatment on the municipal drainage pipe, the working efficiency of the expansion device is improved, the top end of the, the ejector block 6 of being convenient for carries out jack-up to the different positions of department of collapsing and handles, has improved expansion equipment's commonality, has reduced the cost of making many sets of expansion equipment, can play limiting displacement for connecting rod 5 in the accommodation process through spacing groove 9, makes connecting rod 5 only can remove in spacing groove 9, improves the stability of connecting rod 5 in the accommodation process.
Preferably, the top block 6 is set to be of an arc-shaped structure, the contact area of the top block 6 and the municipal drainage pipeline collapse position is reduced, the pressure of positioning on the municipal drainage pipeline collapse position is enhanced, the top block 6 can jack up the municipal drainage pipeline collapse position conveniently, the repair efficiency and the repair quality of the municipal drainage pipeline collapse position are improved, and the labor intensity of operators is reduced.
Preferably, the bearing plate 7 is provided with the pull ring 10, the pull ring 10 is connected with external traction equipment, power can be provided for moving and transporting the expansion equipment, the expansion equipment is convenient to move in the municipal drainage pipe, the expansion equipment is convenient to jack up and expand the collapsed position in the municipal pipeline, the repair efficiency and the repair quality of the municipal drainage pipe are improved, and the labor intensity of operators is reduced.
Example two:
as shown in the accompanying drawings 5-6, the pipeline inner wall expansion device for the municipal drainage pipe non-excavation repair comprises a cylinder body 1, a walking wheel 2, a hydraulic cylinder 3, a moving block 4, a connecting rod 5 and a top block 6, and is characterized in that: the two ends of the cylinder body 1 are respectively provided with a bearing plate 7, the cylinder body 1 is provided with a limiting groove 9, the cylinder body 1 is connected with the bearing plates 7 through welding, the connection strength between the cylinder body 1 and the bearing plates 7 is improved, the structural strength of the expansion equipment is enhanced, the stability of the expansion equipment in the working process is improved, the travelling wheels 2 are placed in the fixing grooves 11, the travelling wheels 2 are provided with connecting shafts 12 and are connected with the bearing plates 7, the pull rings 10 on the bearing plates 7 are connected with external traction equipment to provide power for the movement and transportation of the expansion equipment, the expansion equipment moves back and forth in the municipal drainage pipe through the travelling wheels 2, the friction force between the expansion equipment and the municipal drainage pipe is reduced through the travelling wheels 2, the movement of the expansion equipment is convenient, the repair efficiency of the municipal drainage pipe is improved, the hydraulic cylinder 3 is arranged on the bearing plates 7, the hydraulic cylinder 3 is provided with a piston rod 13, the piston rod 13 transversely extends into the cylinder body 1, the hydraulic cylinder 3 is arranged on the bearing plate 7 through a bolt, the installation efficiency and the stability of the hydraulic cylinder 3 are improved, the stability of the hydraulic cylinder 3 in the working process is enhanced, the moving block 4 is arranged in the cylinder body 1, the moving block 4 is connected with the piston rod 13, a positioning plate 14 is arranged on the moving block 4, the moving block 4 is connected with the piston rod 13 and the positioning plate 14 through welding, the connection strength between the moving block 4 and the piston rod 13 as well as the positioning plate 14 is improved, the stability of the positioning plate 14 in the moving process is enhanced by driving the connecting rod 5 through a pin shaft 15, the bottom end of the connecting rod 5 is connected with the positioning plate 14 through the pin shaft 15, the top end of the connecting rod 5 passes through the limiting groove 9, and, and connecting plate 16 is connected with connecting rod 5 through round pin axle two 17, pneumatic cylinder 3 promotes piston rod 13 round trip movement, piston rod 13 drives movable block 4 and the locating plate 14 round trip movement on the movable block 4, locating plate 14 pulls the bottom of connecting rod 5 through round pin axle one 15 and moves, the top of connecting rod 5 is above-mentioned or descends along with the removal of connecting rod 5 bottom, make the kicking block 6 on connecting rod 5 top can jack up municipal drainage pipe collapse position, expand the processing to municipal drainage pipe, improve the work efficiency of expansion equipment, reinforcing municipal drainage pipe's repair efficiency and restoration quality.
As preferred, barrel 1 on be provided with camera 8, can carry out comprehensive shooting to municipal drainage pipe inner wall through camera 8, the staff of being convenient for knows the position of collapsing in the municipal drainage pipe, make the staff can control the removal of expansion equipment, be convenient for prop up the municipal drainage pipe position of collapsing to expansion equipment, improve the precision of the jack-up position of municipal drainage pipe position of collapsing, thereby improve municipal drainage pipe's expansion efficiency and expansion quality, in order to reduce the circuit of expansion equipment, camera 8 work can adopt portable power source to provide, for the staff observes the inside condition of municipal drainage pipe, can install lighting fixtures on camera 8 for the sake of convenience.
Preferably, the bottom end of the connecting rod 5 is arranged to be a structure capable of rotating between the positioning plate 14 and the positioning plate 14 through a first pin shaft 15, the top end of the connecting rod 5 is arranged to be a structure capable of rotating between the connecting plate 16 and the connecting plate 16 through a second pin shaft 17, the hydraulic cylinder 3 pushes the piston rod 13 to move back and forth, the piston rod 13 drives the moving block 4 and the positioning plate 14 on the moving block 4 to move back and forth, the positioning plate 14 pulls the bottom end of the connecting rod 5 to move through the first pin shaft 15, the top end of the connecting rod 5 moves up or down along with the movement of the bottom end of the connecting rod 5, so that the top block 6 at the top end of the connecting rod 5 can jack up the collapse position of the municipal drainage pipe to perform expansion treatment on the municipal drainage pipe, the working efficiency of the expansion device is improved, the top end of the, the ejector block 6 of being convenient for carries out jack-up to the different positions of department of collapsing and handles, has improved expansion equipment's commonality, has reduced the cost of making many sets of expansion equipment, can play limiting displacement for connecting rod 5 in the accommodation process through spacing groove 9, makes connecting rod 5 only can remove in spacing groove 9, improves the stability of connecting rod 5 in the accommodation process.
Preferably, the top block 6 is set to be of an arc-shaped structure, the contact area of the top block 6 and the municipal drainage pipeline collapse position is reduced, the pressure of positioning on the municipal drainage pipeline collapse position is enhanced, the top block 6 can jack up the municipal drainage pipeline collapse position conveniently, the repair efficiency and the repair quality of the municipal drainage pipeline collapse position are improved, and the labor intensity of operators is reduced.
Preferably, the bearing plate 7 is provided with the pull ring 10, the pull ring 10 is connected with external traction equipment, power can be provided for moving and transporting the expansion equipment, the expansion equipment is convenient to move in the municipal drainage pipe, the expansion equipment is convenient to jack up and expand the collapsed position in the municipal pipeline, the repair efficiency and the repair quality of the municipal drainage pipe are improved, and the labor intensity of operators is reduced.
Preferably, a limiting rod 18 with a transverse structure is arranged in the cylinder 1, sliding blocks 19 are arranged on two opposite sides of the moving block 4, a sliding barrel 20 is arranged on the sliding block 19, the limiting rod 18 transversely penetrates through the sliding barrel 20, the hydraulic cylinder 3 and the piston rod 13 can push the moving block to move, the limiting rod 18, the sliding barrel 19 and the sliding barrel 20 can limit the moving block 4 in the moving process, the moving block 4 is prevented from shaking, the stability of the moving block 4 in the moving process is improved, on the other hand, the limiting rod 18 can support the moving block 4, the situation that the moving block 4 descends in the process that the top block 6 on the top end of the connecting rod 5 jacks up the municipal drainage pipe is avoided, the impact force of the top block 6 to the municipal drainage pipe is improved, and the repairing efficiency and the repairing effect of the municipal drainage pipe are improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. The utility model provides a non-excavation of municipal drainage pipe is restoreed and is used pipeline inner wall expansion equipment, includes barrel, walking wheel, pneumatic cylinder, movable block, connecting rod and kicking block, its characterized in that: the hydraulic cylinder is arranged on the bearing plate, a piston rod is arranged on the hydraulic cylinder, the piston rod transversely extends into the cylinder body, the moving block is arranged in the cylinder body, the moving block is connected with the piston rod and provided with a positioning plate, the bottom end of the connecting rod is connected with the positioning plate through a first pin shaft, the top end of the connecting rod penetrates through the limiting groove, a connecting plate is arranged on the top block, and the connecting plate is connected with the connecting rod through a second pin shaft.
2. The municipal drainage pipe trenchless rehabilitation pipe inner wall expansion device according to claim 1, wherein: the barrel is provided with a camera.
3. The municipal drainage pipe trenchless rehabilitation pipe inner wall expansion device according to claim 1, wherein: the bottom end of the connecting rod is arranged to be a structure capable of rotating between the positioning plate and the positioning plate through a first pin shaft, and the top end of the connecting rod is arranged to be a structure capable of rotating between the connecting plate and the connecting plate through a second pin shaft.
4. The municipal drainage pipe trenchless rehabilitation pipe inner wall expansion device according to claim 1, wherein: the top block is of an arc structure.
5. The municipal drainage pipe trenchless rehabilitation pipe inner wall expansion device according to claim 1, wherein: the bearing plate is provided with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216880.0U CN210510736U (en) | 2019-07-31 | 2019-07-31 | Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216880.0U CN210510736U (en) | 2019-07-31 | 2019-07-31 | Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210510736U true CN210510736U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921216880.0U Active CN210510736U (en) | 2019-07-31 | 2019-07-31 | Municipal drainage pipe non-excavation is restoreed and is used pipeline inner wall expansion equipment |
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| Country | Link |
|---|---|
| CN (1) | CN210510736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853425A (en) * | 2020-07-25 | 2020-10-30 | 浙江诚基环境工程有限公司 | Pipe inner repairing device sinks |
| CN112198226A (en) * | 2020-09-26 | 2021-01-08 | 科顺生态建设(宁波)有限公司 | Sonar detection equipment for drainage pipeline |
| CN114688385A (en) * | 2022-02-26 | 2022-07-01 | 广东畅龙车辆装备科技有限公司 | Trenchless drainage pipeline pretreatment robot |
-
2019
- 2019-07-31 CN CN201921216880.0U patent/CN210510736U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853425A (en) * | 2020-07-25 | 2020-10-30 | 浙江诚基环境工程有限公司 | Pipe inner repairing device sinks |
| CN112198226A (en) * | 2020-09-26 | 2021-01-08 | 科顺生态建设(宁波)有限公司 | Sonar detection equipment for drainage pipeline |
| CN114688385A (en) * | 2022-02-26 | 2022-07-01 | 广东畅龙车辆装备科技有限公司 | Trenchless drainage pipeline pretreatment robot |
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