CN201875431U - Steel pipeline squeezing interception device - Google Patents
Steel pipeline squeezing interception device Download PDFInfo
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- CN201875431U CN201875431U CN2010206145552U CN201020614555U CN201875431U CN 201875431 U CN201875431 U CN 201875431U CN 2010206145552 U CN2010206145552 U CN 2010206145552U CN 201020614555 U CN201020614555 U CN 201020614555U CN 201875431 U CN201875431 U CN 201875431U
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- knife mouth
- piston
- steel pipe
- cylinder body
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Abstract
The utility model discloses a steel pipeline squeezing interception device, which is sequentially provided with a base (1), a fixed tool edge (2), a movable tool edge (3), a beam (4) and a hydraulic cylinder (5) from bottom to top. Vertical columns (6) are perpendicularly inserted to the left side and the right side of the upper plane of the base (1); the movable tool edge (3) is slidably connected onto the vertical columns (6); the hydraulic cylinder (5) includes a cylinder cover (7) and a cylinder body (8); a piston (9) is mounted in the cylinder body (8) and fixedly connected onto a piston rod (10); and the piston rod (10) penetrating through the cylinder cover (7) and the beam (4) is inserted into a central hole of the movable tool edge (3). The hydraulic device is simple in structure and convenient for rapid assembly, disassembly and carrying, is capable of performing rush repair in pipe explosion accidents in large-bore pipeline transmission, functions in rapid and entire cutting off or decreasing medium flow, and is a highly efficient, practical, safe and reliable novel long transmission pipeline rush repair device.
Description
Technical field
The utility model relates to a kind of hydro-mechanical unit, steel pipe can be flattened fast, and (the emergent extruding fast during DN200 ~ DN500) steel oil transportation (gas) pipeline generation rupture and leakage accident is dammed to be applicable to heavy caliber.
Background technique
Generally speaking, distant (the long then 100～300km of distance between the long distance pipeline pumping plant, short then 30～50km), when the open-air long distance pipeline that is laid in met accident break accident, the cut-off valve that can only take emergency shut-down usually and close the accident point upstream and downstream reduced the leakage of medium.But the accident pipeline section might be far away apart from default fixedly cut-off valve position, even valve closing, still have a large amount of, valuable, harmful medium (as petroleum productss such as gasoline, diesel oil, liquid gas) to be run off in vain in the pipeline section, also can cause secondary disasters such as fire, blast, environmental pollution with danger.Existing various mechanical device or equipment all can't be handled the heavy caliber steel pipe, and mostly are fixed equipment, and dismounting is inconvenient and be not easy to carry.
The model utility content
The purpose of this utility model be to provide a kind of simple in structure, be convenient to fast assembling-disassembling and hydraulic pressure installation easy to carry, unexpected pipe explosion accident is rushed to repair in the time of carrying large diameter pipeline.
For solving above technical problem, a kind of steel pipe extruding cut-off device that the utility model provides, be furnished with base (1) from top to bottom successively, stationary knife mouth (2), moving knife mouth (3), crossbeam (4) and oil hydraulic cylinder (5), described stationary knife mouth (2), moving knife mouth (3) and crossbeam (4) are parallel to each other, it is characterized in that: the left and right sides that described base (1) is gone up the plane vertically is fitted with column (6), described stationary knife mouth (2) and moving knife mouth (3) are arranged between the described column (6), described stationary knife mouth (2) is installed on the described base (1) by fastening screw trip bolt (16), the edge of a knife of described stationary knife mouth (2) upwards, described moving knife mouth (3) is slidingly connected at described column (6) middle and upper part, the edge of a knife of described moving knife mouth (3) is downward, and described crossbeam (4) is fixedly connected on described column (6) upper end by nut (17); Described oil hydraulic cylinder (5) comprises cylinder cap (7) and cylinder body (8), insert in the center hole of described crossbeam (4) down described cylinder cap (7) bottom, piston (9) is housed in the described cylinder body (8), this piston (9) is divided into epicoele (8a) and cavity of resorption (8b) with described cylinder body (8), described piston (9) is fixedly connected on the piston rod (10), described piston rod (10) passes described cylinder cap (7) and crossbeam (4) inserts in the center hole of described moving knife mouth (3), the center hole of described moving knife mouth (3) is a blind hole, the outer wall of described cylinder body (8) is provided with first, second is subjected to port connection (11,12), described first be communicated with the epicoele (8a) of described cylinder body (8) by port connection (11), and described second be communicated with the cavity of resorption (8b) of described cylinder body by port connection (12).
When the pipeline generation bursting accident between the CFS to CFS (or valve is to valve), put on the shelf at the appointment pipeline section in the area of meeting accident and to establish steel pipe extruding cut-off device, implement to speedily carry out rescue work the throttling operation.At first base is placed the pipeline below, in the pipeline both sides column lower end is inserted on the base then, the stationary knife mouth edge of a knife upwards placed push between the column on the base, and it is it is fastening with screw, the moving knife mouth edge of a knife is placed downwards by between the column on the pipeline of speedily carrying out rescue work, then crossbeam is placed relevant position, column upper end, and it is tightened up with nut.Oil hydraulic cylinder cylinder cap head is inserted in the crossbeam center hole down, at last two of oil hydraulic cylinder is subjected to hydraulic fluid port and hydraulic workstation band rapid pipe joint fuel feeding, return tube is connected, open hydraulic workstation, after the feeding of elder generation's low speed allows the piston rod external part enter moving knife mouth center hole, but just fast feed, pipeline is crushed very soon to dam, after being crushed fully, hydraulic workstation can remove from being subjected to the self-styled rapid pipe joint of hydraulic fluid port, steel pipe extruding cut-off device will continue to be retained on the pipeline, played the effect of interim block valve, it is dismountable to get rid of the normal rear of recovery up to fault.The utility model is ready usually, in case when pipeline generation explosion is arranged, can be assembled in accident pipeline section two ends up and down apace, after the hydraulic workstation rapid abutting joint, implements the repairing operation rapidly.
After making the cylinder cap head insert crossbeam, can be locked in the crossbeam center hole securely, the waist of the center hole of described crossbeam (4) is provided with first circular groove (4a), correspondence is provided with second circular groove (7a) contour with first circular groove (4a) on the outer wall of described cylinder cap (7) head, be equipped with between described first circular groove (4a) and second circular groove (7a) and split annulus (14), describedly split annulus (14) and split annulus opening and closing handle (15) and link to each other.During installation, it is lever operated to the state of opening to split the annulus opening and closing earlier, and oil hydraulic cylinder cylinder cap head is inserted in the crossbeam center hole down, again that folding is lever operated to the state that closes.
For further optimizing the mounting type of column on base, realize fast assembling-disassembling, described column (6) lower end has the inversion T-shape head, described base (1) is provided with the T type hole (1a) corresponding with described T-shape head, described T type hole (1a) communicates with circular hole (1b) on the described base (1), the diameter of described circular hole (1b) is more than or equal to described T type hole (1a) Outside diameter, and the center line in described T type hole (1a) is parallel with the center line of described circular hole (1b).
The column (6) that described base (1) is gone up the plane plug-in mounting has three, and wherein the left side is fitted with two root posts (6), and the right side is fitted with a root post (6), and described three root posts (6) become isosceles triangle to distribute.The tool stability of triangular layout, the quantity of also having saved column has simultaneously reduced the installation time, has reduced manufacture cost.
Be subjected to be provided with pressure limiting unloading valve (13) between the port connection (11,12) at described first, second.The very fast quilt of pipeline of being speedily carried out rescue work flattens in the back short time of damming fully has rebound elasticity, and when the oil hydraulic cylinder upper cavity pressure increased sharply to qualification pressure, the automatic deloading of pressure limiting unloading valve was to low-pressure state, so that keep the collapsed state of steel pipe.
The left and right sides of described base (1) is provided with supplemental support (25), and described supplemental support (25) is connected on the described base (1) by disc type screw (18).More stable on the ground for whole device is placed, can not occur top-heavyly, specially increased this supplemental support.
Described piston rod (10) is hollow, and described piston (9) and cylinder cap (7) are provided with loss of weight annular groove (19).Alleviated the weight of whole device, convenient mounting or dismounting and carrying.
Described piston (9) is provided with center hole, and described piston rod (10) upper end is passed the center hole of described piston (9) and is connected on the described piston (9) by tightening nut (20).
The inwall of the inwall of the outer wall of described piston (9) and inwall, described cylinder body (8), described cylinder cap (7) reaches to go up on the plane and is provided with closure gasket groove, and Sealing (21) is housed in the described closure gasket groove.Cylinder body epicoele and cavity of resorption are isolated fully, and the cylinder body cavity of resorption and the external world are isolated fully.
Described moving knife mouth (3) is slidingly connected by V-type guide pad (24) and described column (6).V-type is better than circular steering capability, and has the self-alignment function, and it is easier to install, debug and make.
Advantage such as the utlity model has and can assemble at the scene powerful, simple in structure, safe and reliable, it can be used for meet accident emergency first-aid repair when destroy leaking of long distance pipeline, on fixed distance block valve steel pipeline section far away, set up emergent cutting device outside the pipe fast, play fast shut-off or reduce the effect of media flow, further enlarge, reduce secondary disaster and reduce the wasting of resources to prevent accident; It is a kind of efficient, practical, safe and reliable novel repairing device of long distance pipeline.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the schematic representation of the utility model with the steel pipe collapsed state.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
A kind of steel pipe extruding cut-off device as shown in Figure 1 is made up of base 1, stationary knife mouth 2, moving knife mouth 3, crossbeam 4, oil hydraulic cylinder 5, column 6, piston 9, piston rod 10 and corresponding link.Oil hydraulic cylinder 5 is made up of cylinder cap 7 and cylinder body 8.Base 1, stationary knife mouth 2, moving knife mouth 3, crossbeam 4, oil hydraulic cylinder 5 arrange successively that from top to bottom stationary knife mouth 2, moving knife mouth 3 and crossbeam 4 are parallel to each other.The left and right sides on plane vertically is fitted with column 6 on the base 1, and stationary knife mouth 2 and moving knife mouth 3 are arranged between the and arranged on left and right sides column 6.Stationary knife mouth 2 is installed on the base 1 by fastening screw trip bolt 16, and the edge of a knife of stationary knife mouth 2 upwards; Moving knife mouth 3 is slidingly connected at the middle and upper part of column 6, and the edge of a knife of moving knife mouth 3 is downward.Column 6 is cylindrical, and moving knife mouth 3 two ends are provided with V-type guide pad 24, and V-type guide pad 24 half wraps on each column 6.Speedily carried out rescue work pipeline 22 between stationary knife mouth 2 and moving opening 3.Be inserted in the side opening of crossbeam 4 column 6 upper ends, and crossbeam 4 is fixed on the upper end of column 6 by nut 17.Insert in the center hole of crossbeam 4 down cylinder cap 7 bottoms.Piston 9 is housed in the cylinder body 8, cylinder body 8 is divided into epicoele 8a and cavity of resorption 8b, piston 9 is fixedly connected on the piston rod 10, and piston rod 10 passes cylinder cap 7 and crossbeam 4 inserts in the center hole of moving knife mouth 3, and the center hole of moving knife mouth 3 is a blind hole.The outer wall of cylinder body 8 is provided with first, second and is subjected to port connection 11,12, and first, second is subjected to port connection 11,12 to be subjected to the self-styled rapid pipe joint of hydraulic fluid port for commonly used.First be communicated with the epicoele 8a of cylinder body 8 by the self-styled rapid pipe joint 11 of hydraulic fluid port, and second be communicated with the cavity of resorption 8b of cylinder body by the self-styled rapid pipe joint 12 of hydraulic fluid port.
As shown in Figure 1, the waist of the center hole of crossbeam 4 is provided with the first circular groove 4a, correspondence is provided with the second circular groove 7a contour with the first circular groove 4a on the outer wall of cylinder cap 7 bottoms, be equipped with between the first circular groove 4a and the second circular groove 7a and split annulus 14, split annulus 14 and form, lay respectively at the left and right sides of device by two identical semicircular ring.As shown in Figure 3, the semicircular ring of the left and right sides links to each other with the annulus opening and closing handle 15 of splitting of the left and right sides respectively, splits the folding that annulus opening and closing handle 15 is realized two semicircular ring by operation.
As shown in Figure 1, column 6 lower ends have the inversion T-shape head, and base 1 is provided with the T type hole 1a corresponding with T-shape head.As shown in Figure 2, T type hole 1a communicates with circular hole 1b on the base 1, the diameter of circular hole 1b and T type hole 1a Outside diameter quite or big slightly, the center line of T type hole 1a is parallel with the center line of circular hole 1b.During installation, the T-shape head of column 6 is entered from circular hole 1b, slide among the T type hole 1a, be fixed with screw again.Two columns 6 of left end are packed into from middle phase two ends, and a column of right-hand member 6 is packed into to right-hand member from left end.
As shown in Figure 2, the column 6 of plane plug-in mounting has three on the base 1, and wherein the left side is fitted with two root posts 6, and the right side is fitted with 6 one-tenth isosceles triangles of a root post 6, three root posts and distributes.
For further optimizing the mode of execution of this model utility, as shown in Figure 1, be subjected between the self-styled rapid pipe joint 11,12 of hydraulic fluid port pressure limiting unloading valve 13 to be set at first, second.
As shown in Figure 2, the left and right sides of base 1 is symmetrically arranged with supplemental support 25, and supplemental support 25 is provided with quick mounting or dismounting hole 23.Shown in Fig. 2,3, disc type screw 18 enters by the big end in quick mounting or dismounting hole 23, by small end supplemental support 25 is fixedly connected on the base 1.
As shown in Figure 1, piston rod 10 is hollow, and piston 9 lower ends and cylinder cap 7 upper ends are provided with loss of weight annular groove 19.Piston 9 is provided with center hole, and piston rod 10 upper ends are passed the center hole of piston 9 and are connected on the piston 9 by tightening nut 20.The inwall of the inwall of the outer wall of piston 9 and inwall, cylinder body 8, cylinder cap 7 reaches to go up on the plane and is provided with closure gasket groove, and Sealing 21 is housed in the closure gasket groove, cylinder body 8 epicoele 8a and cavity of resorption 8b is isolated fully, and the cylinder body cavity of resorption 8b and the external world are isolated fully.
Claims (10)
1. a steel pipe pushes cut-off device, be furnished with base (1) from top to bottom successively, stationary knife mouth (2), moving knife mouth (3), crossbeam (4) and oil hydraulic cylinder (5), described stationary knife mouth (2), moving knife mouth (3) and crossbeam (4) are parallel to each other, it is characterized in that: the left and right sides that described base (1) is gone up the plane vertically is fitted with column (6), described stationary knife mouth (2) and moving knife mouth (3) are arranged between the described column (6), described stationary knife mouth (2) is installed on the described base (1) by fastening screw trip bolt (16), the edge of a knife of described stationary knife mouth (2) upwards, described moving knife mouth (3) is slidingly connected at described column (6) middle and upper part, the edge of a knife of described moving knife mouth (3) is downward, and described crossbeam (4) is fixedly connected on described column (6) upper end by nut (17); Described oil hydraulic cylinder (5) comprises cylinder cap (7) and cylinder body (8), insert in the center hole of described crossbeam (4) down described cylinder cap (7) bottom, piston (9) is housed in the described cylinder body (8), this piston (9) is divided into epicoele (8a) and cavity of resorption (8b) with described cylinder body (8), described piston (9) is fixedly connected on the piston rod (10), described piston rod (10) passes described cylinder cap (7) and crossbeam (4) inserts in the center hole of described moving knife mouth (3), the center hole of described moving knife mouth (3) is a blind hole, the outer wall of described cylinder body (8) is provided with first, second is subjected to port connection (11,12), described first be communicated with the epicoele (8a) of described cylinder body (8) by port connection (11), and described second be communicated with the cavity of resorption (8b) of described cylinder body by port connection (12).
2. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: the waist of the center hole of described crossbeam (4) is provided with first circular groove (4a), correspondence is provided with second circular groove (7a) contour with first circular groove (4a) on described cylinder cap (7) outer wall, be equipped with between described first circular groove (4a) and second circular groove (7a) and split annulus (14), describedly split annulus (14) and split annulus opening and closing handle (15) and link to each other.
3. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: described column (6) lower end has the inversion T-shape head, described base (1) is provided with the T type hole (1a) corresponding with described T-shape head, described T type hole (1a) communicates with circular hole (1b) on the described base (1), the diameter of described circular hole (1b) is more than or equal to described T type hole (1a) Outside diameter, and the center line in described T type hole (1a) is parallel with the center line of described circular hole (1b).
4. according to claim 1 or 3 described a kind of steel pipe extruding cut-off devices, it is characterized in that: the column (6) that described base (1) is gone up the plane plug-in mounting has three, wherein the left side is fitted with two root posts (6), the right side is fitted with a root post (6), and described three root posts (6) become isosceles triangle to distribute.
5. according to the described steel pipe extruding of claim 1 cut-off device, it is characterized in that: described first, second is subjected to be provided with pressure limiting unloading valve (13) between the port connection (11,12).
6. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: the left and right sides of described base (1) is provided with supplemental support (25), and described supplemental support (25) is connected on the described base (1) by disc type screw (18).
7. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: described piston rod (10) is for hollow, and described piston (9) and cylinder cap (7) are provided with loss of weight annular groove (19).
8. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: described piston (9) is provided with center hole, and described piston rod (10) upper end is passed the center hole of described piston (9) and is connected on the described piston (9) by tightening nut (20).
9. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: the inwall of the outer wall of described piston (9) and inwall, the inwall of described cylinder body (8), described cylinder cap (7) reaches to go up on the plane and is provided with closure gasket groove, and Sealing (21) is housed in the described closure gasket groove.
10. according to the described a kind of steel pipe extruding cut-off device of claim 1, it is characterized in that: described moving knife mouth (3) is slidingly connected by V-type guide pad (24) and described column (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206145552U CN201875431U (en) | 2010-11-19 | 2010-11-19 | Steel pipeline squeezing interception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206145552U CN201875431U (en) | 2010-11-19 | 2010-11-19 | Steel pipeline squeezing interception device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875431U true CN201875431U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206145552U Expired - Fee Related CN201875431U (en) | 2010-11-19 | 2010-11-19 | Steel pipeline squeezing interception device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875431U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032446A (en) * | 2010-11-19 | 2011-04-27 | 中国人民解放军后勤工程学院 | Quick assembly and disassembly type steel pipeline extrusion cut-off device |
| CN105627099A (en) * | 2015-04-22 | 2016-06-01 | 中国人民解放军后勤工程学院 | Manually-operated steel pipeline extrusion and cut-off device |
| CN110145693A (en) * | 2019-06-29 | 2019-08-20 | 三门星凯智能科技有限公司 | A kind of automatism isolation pipeline preventing gas explosion |
-
2010
- 2010-11-19 CN CN2010206145552U patent/CN201875431U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032446A (en) * | 2010-11-19 | 2011-04-27 | 中国人民解放军后勤工程学院 | Quick assembly and disassembly type steel pipeline extrusion cut-off device |
| CN102032446B (en) * | 2010-11-19 | 2012-11-07 | 中国人民解放军后勤工程学院 | Quick assembly and disassembly type steel pipeline extrusion cut-off device |
| CN105627099A (en) * | 2015-04-22 | 2016-06-01 | 中国人民解放军后勤工程学院 | Manually-operated steel pipeline extrusion and cut-off device |
| CN110145693A (en) * | 2019-06-29 | 2019-08-20 | 三门星凯智能科技有限公司 | A kind of automatism isolation pipeline preventing gas explosion |
| CN110145693B (en) * | 2019-06-29 | 2020-10-30 | 尚丹 | Automatic isolation pipeline for preventing natural gas explosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20111119 |