CN110899031A - High-pressure hose limiting device for spraying in pipeline and construction method thereof - Google Patents

High-pressure hose limiting device for spraying in pipeline and construction method thereof Download PDF

Info

Publication number
CN110899031A
CN110899031A CN201911297626.2A CN201911297626A CN110899031A CN 110899031 A CN110899031 A CN 110899031A CN 201911297626 A CN201911297626 A CN 201911297626A CN 110899031 A CN110899031 A CN 110899031A
Authority
CN
China
Prior art keywords
pipeline
pressure hose
mounting seat
pulley
chain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911297626.2A
Other languages
Chinese (zh)
Inventor
顾卫东
陈卫星
林家祥
许若岚
刘勇
缪亚军
蒋隽睿
程烨
王洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Water Construction & Engineering Co Ltd
Shanghai Tunnel Engineering Co Ltd
Original Assignee
Shanghai Water Construction & Engineering Co Ltd
Shanghai Tunnel Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Water Construction & Engineering Co Ltd, Shanghai Tunnel Engineering Co Ltd filed Critical Shanghai Water Construction & Engineering Co Ltd
Priority to CN201911297626.2A priority Critical patent/CN110899031A/en
Publication of CN110899031A publication Critical patent/CN110899031A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The invention relates to a high-pressure hose limiting device for spraying in a pipeline and a construction method thereof, wherein the device comprises: the mounting seat is attached to the outer wall surface of the exposed end part of the pipeline and is detachably fixed at the top of the pipeline; the bracket is fixed on the mounting seat and protrudes out of the end part of the pipeline, and comprises a rotating shaft vertical to the pipeline; the rotating shaft is sleeved with the rotatable pulley, and an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose to limit the high-pressure hose is formed in the surface of the pulley. Adopt this device with the top of high-pressure hose and pipeline mutual isolation and the pulley that high-pressure hose supported and lean on can rotate, can reduce the friction that high-pressure hose received, avoid high-pressure hose to be damaged. Meanwhile, the high-pressure hose is abutted to the pulley, the pulley can be used for limiting the high-pressure hose, the high-pressure hose is prevented from shaking, and the influence of friction vibration on the thickness uniformity of the sprayed lining is reduced.

Description

High-pressure hose limiting device for spraying in pipeline and construction method thereof
Technical Field
The invention relates to the field of building construction, in particular to a high-pressure hose limiting device for spraying in a pipeline and a construction method thereof.
Background
The spraying repair technology in the pipeline is used for repairing the damaged pipeline by forming a lining film with certain structural strength and certain thickness on the inner wall of the damaged pipeline.
The spraying construction process comprises the following steps: and two cuboid construction pits are respectively arranged at two ends of the pipeline along the axis direction, and the distance between the bottom of each construction pit and the bottom of the corresponding pipe is 0.5 m. And conveying the coating to spraying equipment through a high-pressure hose, inserting the spraying equipment into the pipeline from the end part of the pipeline in the construction pit to spray the coating against the inner wall of the pipeline, and thus forming a compact lining film on the inner wall of the pipeline. A material conveying pipe and a heat tracing pipe are inserted in the high-pressure hose.
In the process, the high-pressure hose part is positioned on the ground, the high-pressure hose part extends into the pipeline to be repaired, and the high-pressure hose is easy to rub against the pipe opening of the pipeline to be repaired, so that the surface of the high-pressure hose, even a material conveying pipe and a heat tracing pipe in the high-pressure hose are damaged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a high-pressure hose limiting device for spraying in a pipeline and a construction method thereof, and solves the problem that in the prior art, a part of a high-pressure hose extends into the pipeline to be repaired and is easy to rub with a pipe orifice of the pipeline to be repaired.
The technical scheme for realizing the purpose is as follows:
the invention provides a high-pressure hose limiting device for spraying in a pipeline, which is arranged on the exposed end part of the pipeline; high-pressure hose stop device includes:
the mounting seat is attached to the outer wall surface of the exposed end part of the pipeline and is detachably fixed to the top of the pipeline;
the bracket is hinged to the mounting seat and protrudes out of the end part of the pipeline, and comprises a rotating shaft perpendicular to the pipeline; and
the pulley is sleeved on the rotating shaft and can rotate, and an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose to limit the high-pressure hose is formed in the surface of the pulley.
The invention further improves the high-pressure hose limiting device for spraying in the pipeline,
the mounting seat is provided with an arc-shaped mounting surface which is attached to the outer wall surface of the pipeline.
The invention further improves the high-pressure hose limiting device for spraying in the pipeline,
the mounting seat is connected with a chain, the chain is hooped on the pipeline, two opposite ends of the chain are fixed on the mounting seat in a detachable mode, and therefore the mounting seat is fixed on the pipeline.
The invention further improves the high-pressure hose limiting device for spraying in the pipeline,
a pair of ear plates are fixed on two opposite sides of the mounting seat;
a through hole is formed in one of the ear plates, and one end of the chain is buckled on one of the ear plates through the through hole;
wear to locate another the otic placode just passes through the fixed bolt of nut, bolted connection has the latch closure, the latch closure with the other end buckle of chain is connected.
The invention further improves the high-pressure hose limiting device for spraying in the pipeline,
the support comprises a pair of supporting rods hinged to the mounting seat along the length direction of the pipeline, and the supporting rods protrude out of the end part of the pipeline;
perpendicular to a rotating shaft fixed on a pair of the supporting rods.
The invention also provides a construction method of the high-pressure hose limiting device for spraying in the pipeline, which is used for installing the high-pressure hose limiting device on the exposed end part of the pipeline; the method comprises the following steps:
providing an installation seat, attaching the installation seat to the outer wall surface of the exposed end part of the pipeline, and fixing the installation seat on the top of the pipeline in a detachable mode;
providing a bracket, hinging the bracket to the mounting seat and protruding out of the end part of the pipeline, wherein the bracket comprises a rotating shaft vertical to the pipeline; and
the pulley is provided, the surface of the pulley is provided with an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose, the pulley is sleeved on the rotating shaft, the pulley is rotatable, and the arc-shaped groove and the outer wall surface of the high-pressure hose are attached to limit the high-pressure hose.
The construction method of the high-pressure hose limiting device for spraying in the pipeline is further improved in that the high-pressure hose limiting device further comprises a chain, wherein the chain is hooped on the pipeline, and two opposite ends of the chain are detachably fixed on the mounting seat.
The construction method of the high-pressure hose limiting device for spraying in the pipeline is further improved in that,
a pair of ear plates is fixed on two opposite sides of the mounting seat, a through hole is formed in one ear plate, and one end of the chain is buckled on one ear plate through the through hole;
and providing a nut and a bolt connected with a buckle, enabling the bolt to penetrate through the other ear plate and be fixed through the nut, and enabling the buckle to be connected with the other end of the chain in a buckling mode.
The construction method of the high-pressure hose limiting device for spraying in the pipeline is further improved in that the support comprises the following steps:
providing a pair of supporting rods, and hinging and fixing the supporting rods to the mounting seat along the length of the pipeline, wherein the supporting rods protrude out of the end part of the pipeline; and
and providing a rotating shaft, and vertically fixing the rotating shaft to the pair of supporting rods.
The construction method of the high-pressure hose limiting device for spraying in the pipeline is further improved in that the mounting seat is provided with an arc-shaped mounting surface which is attached to the outer wall surface of the pipeline.
The high-pressure hose limiting device for spraying in the pipeline and the construction method thereof have the beneficial effects that:
adopt this device with the top and the pipeline mutual isolation of high-pressure hose, and the pulley that high-pressure hose supported and leaned on can rotate, can reduce the friction that high-pressure hose received, avoid high-pressure hose to be damaged. Simultaneously, the high pressure hose supports and leans on the pulley in, also can utilize the spacing high pressure hose of pulley, prevents that high pressure hose from rocking, increases stability. The influence of the friction vibration on the uniformity of the thickness of the sprayed lining is reduced, and the construction quality of the sprayed lining is greatly improved.
Drawings
Fig. 1 is a schematic view of a pipeline and a construction pit of a high-pressure hose limiting device for spraying in the pipeline.
Fig. 2 is a front view of the high pressure hose limiting device for spraying in a pipe according to the present invention, which is installed in the pipe.
Fig. 3 is a side view of the high pressure hose retainer for spray coating in a pipe according to the present invention installed in the pipe.
Fig. 4 is a plan view of the high-pressure hose retainer for spray coating in a pipe according to the present invention, which is installed in the pipe.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a schematic view of a pipe and a construction pit of a high pressure hose limiting device for spray coating in a pipe according to the present invention is shown. As shown in fig. 1, a construction pit 1 is dug at an end of a pipeline 10 along a length direction of the pipeline 10 such that the end of the pipeline 10 protrudes and is located in the construction pit 1 to form an exposed end of the pipeline 10.
In this embodiment, the pre-spray construction planning stage determines the location of the construction pit. The valve and the elbow are ideal construction pit positions. The distance between the two construction pits depends on the length of the umbilical of the spraying equipment and the volume of the material barrel of the equipment. Typically the spray length is between 90 and 185 m. And 2m multiplied by 4m cuboid construction pits are respectively arranged at two ends of the pipeline along the axial direction, and the pit bottom of each construction pit is 0.5m away from the pipe bottom. And (4) determining whether to adopt enclosure measures according to the condition of the on-site soil pavement.
Referring to fig. 2, a front view of the high pressure hose limiting device for spraying in a pipe according to the present invention is shown installed in the pipe. Fig. 3 is a side view of the high pressure hose retainer for spray coating in a pipe according to the present invention installed in the pipe. Referring to fig. 1 to 3, the high-pressure hose limiting device for spraying inside a pipeline of the present invention is mounted on the exposed end of the pipeline; high-pressure hose stop device includes:
the mounting seat 20 is attached to the outer wall surface of the exposed end part of the pipeline 10, and the mounting seat 20 is detachably fixed at the top of the pipeline 10;
a bracket 30 hinged to the mounting seat 20 and protruding out of the end of the pipeline 10, the bracket 30 including a rotating shaft 31 perpendicular to the pipeline 10; and
the pulley 40 is rotatably sleeved on the rotating shaft 31, and an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose to limit the high-pressure hose is formed on the surface of the pulley 40.
In the embodiment, the high-pressure hose is inserted into the pipeline in the construction process, and the end part of the high-pressure hose protrudes out of the end part of the pipeline so as to be connected with equipment for conveying materials. The bottom of the high pressure hose rests on the inner wall of the pipe and the top of the high pressure hose is easily rubbed against the pipe due to the connection of the end of the high pressure hose to the above ground equipment, with the end of the high pressure hose facing upwards. Adopt this device with the top and the pipeline mutual isolation of high-pressure hose, and the pulley 40 that high-pressure hose supported by can rotate, can reduce the friction that high-pressure hose received, avoid high-pressure hose to be damaged.
Simultaneously, the high pressure hose supports and leans on pulley 40 in, also can utilize the spacing high pressure hose of pulley, prevents that high pressure hose from rocking, increases stability. The influence of the friction vibration on the uniformity of the thickness of the sprayed lining is reduced, and the construction quality of the sprayed lining is greatly improved.
Fig. 4 is a plan view of the high pressure hose limiting device for spraying in a pipeline according to the present invention installed in the pipeline. Referring to fig. 1 to 4, as a preferred embodiment of the high-pressure hose limiting device for spraying inside a pipeline according to the present invention, the mounting seat 20 is formed with an arc-shaped mounting surface for being attached to an outer wall surface of the pipeline 10. The arc-shaped mounting surface is attached to the outer wall surface of the pipeline 10 to tightly connect and prevent the mounting seat 20 from shaking.
In this embodiment, the mounting seat 20 is a box structure having an arc-shaped mounting surface on the bottom surface, and other structures are fixed to the mounting seat 20, and the mounting seat 20 is fixed to the pipeline, thereby fixing the entire device and the pipeline.
As a preferred embodiment of the high pressure hose limiting device for spraying inside a pipe according to the present invention, a chain 50 is connected to the mounting seat 20, the chain 50 is looped around the pipe 10, and opposite ends of the chain 50 are detachably fixed to the mounting seat 20, thereby fixing the mounting seat 20 to the pipe 10.
In the present embodiment, the chain 50 is used to fix the mounting seat 20 to the pipe, and the length of the chain 50 can be determined according to the specific diameter of the pipe, which has a wide application range.
As a preferred embodiment of the high-pressure hose limiting device for spraying in a pipeline of the present invention, a pair of ear plates are fixed on two opposite sides of the mounting seat 20; one of the ear plates is formed with a through hole, and one end of the chain 50 is fastened to one of the ear plates through the through hole; and the bolt 51 penetrates through the other ear plate and is fixed through a nut, the bolt 51 is connected with a ring buckle 52, and the ring buckle 52 is connected with the other end of the chain 50 in a buckling manner.
The bolt 51 has a length and its position relative to the ear plate is adjustable. The other end of the chain 50 is also formed with a circular ring having an opening to facilitate a snap connection with the eye 52 and closed by a threaded rod.
As a preferred embodiment of the high-pressure hose limiting device for spraying inside a pipeline of the present invention, the bracket 30 includes a pair of supporting rods 32 hinged to the mounting seat 20 along the length direction of the pipeline 10, the pair of supporting rods 32 protruding out of the end of the pipeline 10; perpendicular to the axis of rotation 31 which is fixed to a pair of struts 32.
The pair of supporting rods 32 is hinged with the mounting seat 20 through a hinge shaft, and the angles of the supporting rods 32 and the mounting seat 20 can be adjusted, so that the high-pressure hose clamp is suitable for high-pressure hoses with different diameters, and is wide in application range.
During construction, the high-pressure hose is inserted into the pipeline, and the end part of the high-pressure hose protrudes out of the end part of the pipeline to convey materials. Since the end of the high pressure hose is connected to the above-ground equipment, the end of the high pressure hose is directed upward so that the top of the high pressure hose easily rubs against the pipe. Through the position of rotation adjusting support rod 32 for the arc wall of the top of high pressure hose and pulley 40 pastes each other and establishes, keeps apart high pressure hose and pipeline each other through pulley 40, prevents that the tip direct contact friction of the top of high pressure hose and pipeline is damaged.
The invention also provides a construction method of the high-pressure hose limiting device for spraying in the pipeline, which is used for installing the high-pressure hose limiting device on the exposed end part of the pipeline; the method comprises the following steps:
providing an installation seat 20, attaching the installation seat 20 to the outer wall surface of the exposed end part of the pipeline 10, and fixing the installation seat 20 on the top of the pipeline 10 in a detachable mode;
providing a bracket 30, hinging the bracket 30 to the mounting seat 20 and protruding out of the end of the pipeline 10, wherein the bracket 30 comprises a rotating shaft 31 perpendicular to the pipeline 10; and
the pulley 40 is provided, an arc groove for being attached to the outer wall surface of the high-pressure hose is formed on the surface of the pulley 40, the pulley 40 is sleeved on the rotating shaft 31, the pulley 40 can rotate, and the arc groove and the outer wall surface of the high-pressure hose are attached to limit the high-pressure hose.
As a preferred embodiment of the construction method of the high-pressure hose limiting device for spraying inside a pipeline according to the present invention, the method further comprises providing a chain 50, wherein the chain 50 is fastened to the pipeline 10 and opposite ends of the chain 50 are detachably fixed to the mounting seat 20.
As a preferred embodiment of the construction method of the high-pressure hose limiting device for spraying in a pipeline of the present invention, a pair of ear plates are fixed on opposite sides of the mounting seat 20, one ear plate is formed with a through hole, and one end of the chain 50 is fastened to one ear plate through the through hole; a nut and a bolt 51 connected with a buckle are provided, the bolt 51 is inserted into the other ear plate and fixed by the nut, and the buckle 52 is connected with the other end of the chain 50 in a buckling way.
As a preferred embodiment of the construction method of the high pressure hose limiting device for spraying in a pipeline according to the present invention, the bracket 30 includes: providing a pair of struts 32, hinging the pair of struts 32 to the mounting base 20 along the length direction of the pipeline, wherein the struts 32 protrude out of the end of the pipeline 10; and providing a rotating shaft 31, and vertically fixing the rotating shaft 31 to the pair of supporting rods 32, wherein the rotating shaft 31 is positioned in front of the end of the pipeline 10. The mounting seat 20 is formed with an arc-shaped mounting surface to be attached to an outer wall surface of the pipe.
The high-pressure hose limiting device for spraying in the pipeline has the beneficial effects that:
adopt this device with the top and the pipeline mutual isolation of high-pressure hose, and the pulley that high-pressure hose supported and leaned on can rotate, can reduce the friction that high-pressure hose received, avoid high-pressure hose to be damaged. Simultaneously, the high pressure hose supports and leans on the pulley in, also can utilize the spacing high pressure hose of pulley, prevents that high pressure hose from rocking, increases stability. The influence of the friction vibration on the uniformity of the thickness of the sprayed lining is reduced, and the construction quality of the sprayed lining is greatly improved.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.

Claims (10)

1. A high-pressure hose limiting device for spraying in a pipeline is arranged on the exposed end part of the pipeline; its characterized in that, high pressure hose stop device includes:
the mounting seat is attached to the outer wall surface of the exposed end part of the pipeline and is detachably fixed to the top of the pipeline;
the bracket is hinged to the mounting seat and protrudes out of the end part of the pipeline, and comprises a rotating shaft perpendicular to the pipeline; and
the pulley is sleeved on the rotating shaft and can rotate, and an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose to limit the high-pressure hose is formed in the surface of the pulley.
2. A high-pressure hose stop device for use in spraying inside a pipe according to claim 1,
the mounting seat is provided with an arc-shaped mounting surface which is attached to the outer wall surface of the pipeline.
3. A high-pressure hose stop device for use in spraying inside a pipe according to claim 1,
the mounting seat is connected with a chain, the chain is hooped on the pipeline, two opposite ends of the chain are fixed on the mounting seat in a detachable mode, and therefore the mounting seat is fixed on the pipeline.
4. A high-pressure hose stop device for use in spraying inside a pipe according to claim 3,
a pair of ear plates are fixed on two opposite sides of the mounting seat;
a through hole is formed in one of the ear plates, and one end of the chain is buckled on one of the ear plates through the through hole;
wear to locate another the otic placode just passes through the fixed bolt of nut, bolted connection has the latch closure, the latch closure with the other end buckle of chain is connected.
5. A high-pressure hose stop device for use in spraying inside a pipe according to claim 1,
the support comprises a pair of supporting rods hinged to the mounting seat along the length direction of the pipeline, and the supporting rods protrude out of the end part of the pipeline;
and the rotating shafts are vertically fixed on the pair of supporting rods.
6. A construction method of a high-pressure hose limiting device for spraying in a pipeline is used for installing the high-pressure hose limiting device on the exposed end part of the pipeline; the method is characterized by comprising the following steps:
providing an installation seat, attaching the installation seat to the outer wall surface of the exposed end part of the pipeline, and fixing the installation seat on the top of the pipeline in a detachable mode;
providing a bracket, hinging the bracket to the mounting seat and protruding out of the end part of the pipeline, wherein the bracket comprises a rotating shaft vertical to the pipeline; and
the pulley is provided, the surface of the pulley is provided with an arc-shaped groove for being attached to the outer wall surface of the high-pressure hose, the pulley is sleeved on the rotating shaft, the pulley is rotatable, and the arc-shaped groove and the outer wall surface of the high-pressure hose are attached to limit the high-pressure hose.
7. The method of constructing a high-pressure hose retainer for use in spraying inside a pipe according to claim 6,
still including providing the chain, will the chain hoop is located the pipeline just the relative both ends of chain are fixed in with detachable mode the mount pad.
8. A high-pressure hose stop device for use in spray coating inside a pipe according to claim 7,
a pair of ear plates is fixed on two opposite sides of the mounting seat, a through hole is formed in one ear plate, and one end of the chain is buckled on one ear plate through the through hole;
and providing a nut and a bolt connected with a buckle, enabling the bolt to penetrate through the other ear plate and be fixed through the nut, and enabling the buckle to be connected with the other end of the chain in a buckling mode.
9. The method of claim 6, wherein the step of providing a bracket comprises:
providing a pair of supporting rods, hinging the supporting rods to the mounting seat along the length direction of the pipeline, wherein the supporting rods protrude out of the end part of the pipeline; and
and providing a rotating shaft, and vertically fixing the rotating shaft to the pair of supporting rods.
10. The method of constructing a high pressure hose stop device for use in spraying inside a pipe according to claim 6, wherein the mounting seat is formed with an arc-shaped mounting surface for being attached to an outer wall surface of the pipe.
CN201911297626.2A 2019-12-17 2019-12-17 High-pressure hose limiting device for spraying in pipeline and construction method thereof Pending CN110899031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911297626.2A CN110899031A (en) 2019-12-17 2019-12-17 High-pressure hose limiting device for spraying in pipeline and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911297626.2A CN110899031A (en) 2019-12-17 2019-12-17 High-pressure hose limiting device for spraying in pipeline and construction method thereof

Publications (1)

Publication Number Publication Date
CN110899031A true CN110899031A (en) 2020-03-24

Family

ID=69825820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911297626.2A Pending CN110899031A (en) 2019-12-17 2019-12-17 High-pressure hose limiting device for spraying in pipeline and construction method thereof

Country Status (1)

Country Link
CN (1) CN110899031A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934923A (en) * 1972-08-03 1974-03-30
US20060115587A1 (en) * 2003-04-04 2006-06-01 Thomas Davis Sprayed in place pipe lining apparatus and method thereof
CN203571328U (en) * 2013-12-09 2014-04-30 叶明国 Sealed oil and gas pipe pressurized repair device
JP2014094330A (en) * 2012-11-07 2014-05-22 Kando:Kk Resin lining method on existing tube and hose member pressing and holding jig
CN206889959U (en) * 2017-06-27 2018-01-16 杭州华仕管道工程有限公司 A kind of circle-supporting device for deformable duct
CN209727857U (en) * 2019-02-01 2019-12-03 平拓(上海)新材料科技有限公司 Petrochemical pipe high temperature corrosion is remotely monitored with band heat dissipation waveguide rod piezoelectric vibrator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934923A (en) * 1972-08-03 1974-03-30
US20060115587A1 (en) * 2003-04-04 2006-06-01 Thomas Davis Sprayed in place pipe lining apparatus and method thereof
JP2014094330A (en) * 2012-11-07 2014-05-22 Kando:Kk Resin lining method on existing tube and hose member pressing and holding jig
CN203571328U (en) * 2013-12-09 2014-04-30 叶明国 Sealed oil and gas pipe pressurized repair device
CN206889959U (en) * 2017-06-27 2018-01-16 杭州华仕管道工程有限公司 A kind of circle-supporting device for deformable duct
CN209727857U (en) * 2019-02-01 2019-12-03 平拓(上海)新材料科技有限公司 Petrochemical pipe high temperature corrosion is remotely monitored with band heat dissipation waveguide rod piezoelectric vibrator

Similar Documents

Publication Publication Date Title
US2684222A (en) Adjustable pipe support
CN104209214A (en) Height-adjustable pipe inner wall spraying equipment
CN110899031A (en) High-pressure hose limiting device for spraying in pipeline and construction method thereof
CN211231861U (en) Super high-rise pumping pipeline mounting bracket
GB2536022A (en) Applicator device
CN210232106U (en) Process pipeline butt joint adjusting device
KR102366378B1 (en) Pipe of building
CN205151591U (en) Rotatory sprinkler of tower crane
KR101280012B1 (en) Apparatus for improving inner circumferencial eveness of hume pipe
CN112387494A (en) Anticorrosive spraying equipment of inlayer suitable for arc pipe
KR20130066822A (en) Jig for fixing electrical winch and preventing eccentricity of sponge pig
CN113063033A (en) Underground sewage pipeline protection framework and pipeline construction method
CN210179141U (en) Gas pipeline butt joint fixing device
CN112145806A (en) Fire-fighting pipe fitting and installation method thereof
CN205709138U (en) A kind of electromagnetic wire shaft vertical swinging mounting
CN211801764U (en) Priming paint smearing device used before thermal shrinkage material is attached to pipeline
CN214682482U (en) Spraying device for pipeline anticorrosive treatment
CN214662549U (en) Pipe clamp for installing and fixing pipeline
CN104633812B (en) A kind of magnetic suspension integrates cold station manufacture method
CN219493290U (en) Combined rigid support
CN221237281U (en) Water pipe laying device
CN207318377U (en) A kind of built-up welding straight tube inner wall PT detection devices
CN221097742U (en) Pipeline fixing frame for fire engineering
CN216112486U (en) Oil pump connecting device for oil pump lift experiment
CN221374785U (en) Pipeline support frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200324

RJ01 Rejection of invention patent application after publication