CN104344086A - Pipeline buttress device and using method - Google Patents
Pipeline buttress device and using method Download PDFInfo
- Publication number
- CN104344086A CN104344086A CN201310316707.9A CN201310316707A CN104344086A CN 104344086 A CN104344086 A CN 104344086A CN 201310316707 A CN201310316707 A CN 201310316707A CN 104344086 A CN104344086 A CN 104344086A
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- China
- Prior art keywords
- side plate
- pipe collar
- pin
- strut
- pipeline
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1008—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe
- F16L3/1016—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe the members being joined by means of two screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Earth Drilling (AREA)
Abstract
A pipeline buttress device belongs to the technical field of oilfield pipeline transportation. The first side panel and the second side panel are vertically welded, the second side panel and the fourth side panel are vertically welded, the first side panel and the fourth side panel are parallel, the side panels and the third side panel are vertically welded, and the second side panel and the third side panel are parallel; the top panel is open, the first side panel and the second side panel are welded with pipe hoop bases, and the pipe hoop connecting steel plate is vertically welded near the center line of the pipe hoop bases; the pipe hoop connecting steel plate is welded with a lower pipe hoop, the lower pipe hoop is a rectangular steel plate, and a semicircular recess is formed in the middle of the rectangular steel plate; the upper part of the lower pipe hoop is connected with the upper pipe hoop through a fastening bolt, the upper pipe hoop is a rectangular steel plate, and a semicircular bulge is arranged in the middle of the rectangular steel plate; the semicircular recess of the lower pipe hoop and the semicircular bulge of the upper pipe hoop are opposite to form a circular ring, and screw holes are drilled on two sides of the circular ring of the recess and the bulge and used for safely fastening bolts; the invention is suitable for pipelines which are frequently required to be disassembled and assembled.
Description
Technical field
The present invention relates to a kind of pipeline buttress device and using method, belong to oil field pipe conveying technology field.
Background technique
On oil field, the oil gas of Oil/gas Well output needs to be carried by pipeline, section of tubing erection on the ground, need to use pipeline buttress, current most of pipeline buttress generally adopts concrete duct buttress as support, then by pipeline construction on concrete duct buttress.Concrete duct buttress generally adopts reinforcing bar and cement to build, and pre-buried fixing bolt, and needs to deep-cut pipe pier foundation pit, heavier mass, the carrying cannot carried out concrete duct buttress and again utilize.Model utility ZL201220110955.9 discloses a kind of movable tube buttress, make simply, can reuse pipeline buttress, but this utility model patent has following shortcoming: buttress and pipeline clamp hypotelorism, cannot carry out heat retaining operation to pipeline; Buttress is after being full of sandstone filler, and removing sandstone filler needs to shovel out manually by slidably dismantling side, wastes time and energy.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of pipeline buttress device and using method, improve the construction speed of pipeline, improve the recycling rate of waterused of pipeline buttress, the Pipe installing improved under case of emergency is speedily carried out rescue work speed, improves operability and the portability of pipeline buttress.
A kind of pipeline buttress device, a bottom panel and the first side plate, the second side plate, the 3rd side plate, the 4th side plate composition; Bottom panel and the first side plate, the second side plate, the 3rd side plate, the 4th side plate are rectangular steel plates; First side plate and the second side plate carry out vertical welding, the second side plate and the 4th side plate vertical welding, and the first side plate is parallel with the 4th side plate, side plate and the 3rd side plate vertical welding, and the second side plate is parallel with the 3rd side plate; Top panel is uncovered, is placed on bottom panel, forms uncovered rectangular box after the first side plate, the second side plate, the 3rd side plate, the 4th side plate welding;
First side plate and the second side plate are welded with pipe collar pedestal, and pipe collar junction steel plate is vertically welded in the approximate centerline of pipe collar pedestal; Pipe collar junction steel plate welds with lower pipe collar, and lower pipe collar is rectangular steel plates, has semi-cylindrical canyon at the middle part of rectangular steel plates; Be connected with upper pipe collar by clamping bolt above lower pipe collar, upper pipe collar is rectangular steel plates, has semi-cylindrical hill at the middle part of rectangular steel plates; The semi-cylindrical canyon of lower pipe collar is relative with upper pipe collar semi-cylindrical hill forms an annulus, and the both sides of depression and protruding circular ring are drilled with screw hole, for being fastened securely bolt;
Pipe collar pedestal has spudded in the square aperture of two rectangles, and bottom panel spuds in circular aperture; Strut is by square aperture and circular aperture; Strut is primarily of disk, bottom lower disc composition on pin, top lower stop lever, support mobile jib, bottom on strut triangle handle, top; On top, pin and top lower stop lever are vertically welded in and support on mobile jib, and pin on strut triangle handle, top, top lower stop lever three are in the same plane; Pin and top lower stop lever on top also lay respectively at the upper and lower both sides of square aperture of rectangle, and length is less than the length of square aperture; On bottom disk and bottom lower disc with support mobile jib coaxial welding, and lay respectively at the upper and lower both sides of circular aperture, on bottom, disk and bottom lower disc diameter are all greater than circular aperture, and upper lower disc all can not be extracted out from circular aperture; Strut is symmetric with pipe collar junction steel plate, and quantitative requirement is more than group.
Reinforcement steel disc is welded with in pipe collar junction steel plate both sides; Casing suspension ring are welded with at the first side plate and the 4th side plate both sides.
By strut triangle rotatable handle 90 degree, drive disk and bottom lower disc 90-degree rotation on pin on top, top lower stop lever, bottom, bottom panel and side plate locking can be formed casing or unlock sandstone in casing are removed.
In order to make pipe collar junction steel plate more firm, be welded with reinforcement steel disc in pipe collar junction steel plate both sides; In order to prevent pipeline from shaking between upper and lower pipe collar, rubber spacer can be increased at upper and lower pipe collar inwall.
A using method for pipeline buttress device, containing following steps; Vertically be placed on after pipe collar pedestal, four side plate welding on bottom panel, after on two strut triangle handles and top, pin is passed by square aperture, by strut triangle rotatable handle 90 degree, drive disk and bottom lower disc 90-degree rotation on pin on top, top lower stop lever, bottom, bottom panel and side plate can be pinned, form uncovered rectangular box; Pipeline is placed on lower pipe collar, upper pipe collar and lower pipe collar is fixed by clamping bolt, is positioned over after casing being filled sandstone in ground grading; During dismounting novel pipeline buttress, first clamping bolt is unscrewed, pull down pipe collar and pipeline, by strut triangle rotatable handle 90 degree, make pin 90-degree rotation on strut triangle handle and top and pass from square aperture, bottom panel is separated with side version, above carries side plate casing suspension ring and directly pour out sandstone.
Beneficial effect of the present invention can support ground oil and gas pipes, not high to ground level requirements, without the need to an excavation pier foundation, greatly reduces the construction operation amount of pipeline buttress foundation pit excavation, reduces labor intensity; Novel pipeline buttress can recycle, and portability is better, firm in structure, is particularly suitable for the pipeline often needing dismounting.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 novel pipeline buttress stereochemical structure is intended to;
Fig. 2 novel pipeline buttress front view;
Fig. 3 novel pipeline buttress top view;
Fig. 4 novel pipeline buttress bottom view;
Fig. 5 novel pipeline buttress bottom panel apart view;
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of pipeline buttress device,
Consult Fig. 5.Inventive pipeline buttress is primarily of casing and pipe collar composition; Rectangular box is made up of a bottom panel 9 and the first side plate 6, second side plate 7, the 3rd side plate 10, the 4th side plate 11; Bottom panel 9 and the first side plate 6, second side plate 7, the 3rd side plate 10, the 4th side plate 11 are square steel plate, length, the width of casing and be highly 600mm, steel plate thickness 5mm; First side plate 6, second side plate 7 carries out vertical welding, second side plate 7 and the 4th side plate 11 vertical welding, first side plate 6 is parallel with the 4th side plate 11, the 4th side plate 11 and the 3rd side plate 10 vertical welding, and side plate 7 is parallel with the 3rd side plate 10; Top panel 14 is uncovered, and the first side plate 6, second side plate 7, the 3rd side plate 10, the 4th side plate 11 are placed on bottom panel 9 after welding, and form uncovered rectangular box.
Consult Fig. 1 and Fig. 2.Second side plate 7 and the 3rd side plate 10 are welded with pipe collar pedestal 5, and pipe collar junction steel plate 15 is vertically welded in the approximate centerline of pipe collar pedestal 5; Pipe collar junction steel plate 15 welds with lower pipe collar 16, and lower pipe collar 16 is rectangular steel plates, has semi-cylindrical canyon at the middle part of rectangular steel plates; Be connected with upper pipe collar 1 by clamping bolt 2 above lower pipe collar 16, upper pipe collar 1 is rectangular steel plates, has semi-cylindrical hill at the middle part of rectangular steel plates.
Consult Fig. 2 and Fig. 3.Pipe collar pedestal 5 has spudded in the square aperture 4 of two similar rectangles, and bottom panel 9 spuds in circular aperture 8; 2 pairs of struts 3 are by square aperture 4 and circular aperture 8; Strut 3 forms primarily of disk 3-5, bottom lower disc 3-6 on pin 3-2, top lower stop lever 3-3, support mobile jib 3-4, bottom on strut triangle handle 3-1, top; On top, pin 3-2 and top lower stop lever 3-3 is vertically welded in and supports on mobile jib 3-4, and pin 3-2 on strut triangle handle 3-1, top, top lower stop lever 3-3 three are in the same plane; Pin 3-2 and top lower stop lever 3-3 on top also lays respectively at square aperture about 4 both sides of rectangle, and length is less than square aperture 4; Disk 3-5 and bottom lower disc 3-6 and support mobile jib 3-4 coaxial welding on bottom, and lay respectively at circular aperture about 8 both sides, on bottom, disk 3-5 and bottom lower disc 3-6 diameter are all greater than circular aperture 8, and upper lower disc all can not be extracted out from circular aperture 8.
Consult Fig. 5.Come into operation: by pipe collar pedestal 5, side plate 6, second side plate 7, the 3rd side plate 10, the 4th side plate 11 by being vertically placed on bottom panel 9 after technological scheme welding, after on two strut triangle handle 3-1 and top, pin 3-2 is passed by square aperture 4, by strut triangle rotatable handle 90 degree, drive disk 3-5 and bottom lower disc 3-6 90-degree rotation on pin 3-2, top lower stop lever 3-3 on top, bottom, bottom panel and side plate can be pinned, form uncovered rectangular box; Pipeline is placed on lower pipe collar 16, upper pipe collar 1 and lower pipe collar 16 is fixed by clamping bolt 2, is positioned in ground grading after casing being filled sandstone.Dismounting: first clamping bolt 2 is unscrewed, pull down pipe collar 1 and pipeline, by strut triangle rotatable handle 90 degree, make pin 3-2 90-degree rotation on strut triangle handle 3-1 and top and pass from square aperture 4, bottom panel 9 can be separated with side version, above carry side plate casing suspension ring 12 and directly can pour out sandstone.
A using method for pipeline buttress device, containing following steps; Consult Fig. 1, Fig. 2, Fig. 3.By pipe collar pedestal 5, four side plates 6,7,10,11 by being vertically placed on bottom panel 9 after technological scheme welding, after on two strut triangle handle 3-1 and top, pin 3-2 is passed by square aperture 4, by strut triangle rotatable handle 90 degree, drive disk 3-5 and bottom lower disc 3-6 90-degree rotation on pin 3-2, top lower stop lever 3-3 on top, bottom, bottom panel and side plate can be pinned, form uncovered rectangular box; Pipeline is placed on lower pipe collar 16, upper pipe collar 1 and lower pipe collar 16 is fixed by clamping bolt 2, is positioned over after casing being filled sandstone in ground grading; During dismounting novel pipeline buttress, first clamping bolt 2 is unscrewed, pull down pipe collar 1 and pipeline, by strut triangle rotatable handle 90 degree, make pin 3-2 90-degree rotation on strut triangle handle 3-1 and top and pass from square aperture 4, bottom panel 9 can be separated with side version, above carry side plate casing suspension ring 12 and directly can pour out sandstone.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (4)
1. a pipeline buttress device, is characterized in that a bottom panel and the first side plate, the second side plate, the 3rd side plate, the 4th side plate composition; Bottom panel and the first side plate, the second side plate, the 3rd side plate, the 4th side plate are rectangular steel plates; First side plate and the second side plate carry out vertical welding, the second side plate and the 4th side plate vertical welding, and the first side plate is parallel with the 4th side plate, side plate and the 3rd side plate vertical welding, and the second side plate is parallel with the 3rd side plate; Top panel is uncovered, is placed on bottom panel, forms uncovered rectangular box after the first side plate, the second side plate, the 3rd side plate, the 4th side plate welding;
First side plate and the second side plate are welded with pipe collar pedestal, and pipe collar junction steel plate is vertically welded in the approximate centerline of pipe collar pedestal; Pipe collar junction steel plate welds with lower pipe collar, and lower pipe collar is rectangular steel plates, has semi-cylindrical canyon at the middle part of rectangular steel plates; Be connected with upper pipe collar by clamping bolt above lower pipe collar, upper pipe collar is rectangular steel plates, has semi-cylindrical hill at the middle part of rectangular steel plates; The semi-cylindrical canyon of lower pipe collar is relative with upper pipe collar semi-cylindrical hill forms an annulus, and the both sides of depression and protruding circular ring are drilled with screw hole, for being fastened securely bolt;
Pipe collar pedestal has spudded in the square aperture of two rectangles, and bottom panel spuds in circular aperture; Strut is by square aperture and circular aperture; Strut is primarily of disk, bottom lower disc composition on pin, top lower stop lever, support mobile jib, bottom on strut triangle handle, top; On top, pin and top lower stop lever are vertically welded in and support on mobile jib, and pin on strut triangle handle, top, top lower stop lever three are in the same plane; Pin and top lower stop lever on top also lay respectively at the upper and lower both sides of square aperture of rectangle, and length is less than the length of square aperture; On bottom disk and bottom lower disc with support mobile jib coaxial welding, and lay respectively at the upper and lower both sides of circular aperture, on bottom, disk and bottom lower disc diameter are all greater than circular aperture, and upper lower disc all can not be extracted out from circular aperture; Strut is symmetric with pipe collar junction steel plate, and quantitative requirement is more than group.
2. a kind of pipeline buttress device according to claim 1, is characterized in that being welded with reinforcement steel disc in pipe collar junction steel plate both sides; Casing suspension ring are welded with at the first side plate and the 4th side plate both sides.
3. a kind of pipeline buttress device according to claim 1, it is characterized in that by strut triangle rotatable handle 90 degree, drive disk and bottom lower disc 90-degree rotation on pin on top, top lower stop lever, bottom, bottom panel and side plate locking can be formed casing or unlock sandstone in casing are removed.
4. a using method for pipeline buttress device, containing following steps; Vertically be placed on after pipe collar pedestal, four side plate welding on bottom panel, after on two strut triangle handles and top, pin is passed by square aperture, by strut triangle rotatable handle 90 degree, drive disk and bottom lower disc 90-degree rotation on pin on top, top lower stop lever, bottom, bottom panel and side plate can be pinned, form uncovered rectangular box; Pipeline is placed on lower pipe collar, upper pipe collar and lower pipe collar is fixed by clamping bolt, is positioned over after casing being filled sandstone in ground grading; During dismounting novel pipeline buttress, first clamping bolt is unscrewed, pull down pipe collar and pipeline, by strut triangle rotatable handle 90 degree, make pin 90-degree rotation on strut triangle handle and top and pass from square aperture, bottom panel is separated with side version, above carries side plate casing suspension ring and directly pour out sandstone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316707.9A CN104344086B (en) | 2013-07-25 | 2013-07-25 | Pipeline buttress device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316707.9A CN104344086B (en) | 2013-07-25 | 2013-07-25 | Pipeline buttress device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344086A true CN104344086A (en) | 2015-02-11 |
| CN104344086B CN104344086B (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310316707.9A Active CN104344086B (en) | 2013-07-25 | 2013-07-25 | Pipeline buttress device and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344086B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591618A (en) * | 2018-07-04 | 2018-09-28 | 湖北江汉利达石油物资装备有限公司 | Environmentally friendly bogey |
| CN108771906A (en) * | 2018-06-06 | 2018-11-09 | 沈婷 | A kind of sewage-treatment plant |
| CN114733280A (en) * | 2022-04-13 | 2022-07-12 | 衢州元立金属制品有限公司 | Filter additionally arranged on pneumatic ash conveying pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283814A (en) * | 2005-03-31 | 2006-10-19 | Hitachi Kokusai Electric Inc | Fixing structure of pipe |
| JP2011208778A (en) * | 2010-03-30 | 2011-10-20 | Sanwa Tekki Corp | Piping fixing device |
| CN202302309U (en) * | 2011-11-04 | 2012-07-04 | 中国石油天然气集团公司 | Adjustable fixed base |
| CN202532021U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Movable pipeline buttress |
| CN202646926U (en) * | 2012-04-14 | 2013-01-02 | 智红梅 | Fireproof type electric cable bridge |
| KR20130056721A (en) * | 2011-11-22 | 2013-05-30 | 한국가스공사 | Pipe supporting appartus |
-
2013
- 2013-07-25 CN CN201310316707.9A patent/CN104344086B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283814A (en) * | 2005-03-31 | 2006-10-19 | Hitachi Kokusai Electric Inc | Fixing structure of pipe |
| JP2011208778A (en) * | 2010-03-30 | 2011-10-20 | Sanwa Tekki Corp | Piping fixing device |
| CN202302309U (en) * | 2011-11-04 | 2012-07-04 | 中国石油天然气集团公司 | Adjustable fixed base |
| KR20130056721A (en) * | 2011-11-22 | 2013-05-30 | 한국가스공사 | Pipe supporting appartus |
| CN202532021U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Movable pipeline buttress |
| CN202646926U (en) * | 2012-04-14 | 2013-01-02 | 智红梅 | Fireproof type electric cable bridge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771906A (en) * | 2018-06-06 | 2018-11-09 | 沈婷 | A kind of sewage-treatment plant |
| CN108591618A (en) * | 2018-07-04 | 2018-09-28 | 湖北江汉利达石油物资装备有限公司 | Environmentally friendly bogey |
| CN114733280A (en) * | 2022-04-13 | 2022-07-12 | 衢州元立金属制品有限公司 | Filter additionally arranged on pneumatic ash conveying pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104344086B (en) | 2016-05-11 |
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