CN202417454U - High-pressure jetting hose dropping-prevention device - Google Patents
High-pressure jetting hose dropping-prevention device Download PDFInfo
- Publication number
- CN202417454U CN202417454U CN2011205642919U CN201120564291U CN202417454U CN 202417454 U CN202417454 U CN 202417454U CN 2011205642919 U CN2011205642919 U CN 2011205642919U CN 201120564291 U CN201120564291 U CN 201120564291U CN 202417454 U CN202417454 U CN 202417454U
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- China
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- flexible pipe
- hose
- ring
- dropping
- utility
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Abstract
The utility model provides relates to a high-pressure jetting hose dropping-prevention device, which comprises a hose protection cylinder, an embedded sleeve, a dropping-prevention retainer ring and a pipeline pressing sleeve component, wherein the pipeline pressing sleeve component is used for compressing the hose in a buckling manner; the dropping-prevention retainer ring is arranged in the hose protection cylinder; the embedded sleeve is arranged in the hose protection cylinder and positioned on the dropping-prevention retainer ring; the dropping-prevention retainer ring is formed by two semi-circle rings; the pipeline pressing sleeve component comprises a sleeve core and a lantern ring; the sleeve core is tubular and inserted in the hose; the lantern ring is used for compressing the external of the hose in a buckling manner; and the outer diameter of the pipeline pressing sleeve component is larger than the inner diameter of a through hole of the dropping-prevention retainer ring. The high-pressure jetting hose dropping-prevention device provided by the utility model protects the hose connector and part of the hose from being rubbed and extruded by an external object, besides, when the hose is broken at a weak point, the pipeline pressing sleeve component on the broken hose is hung on the dropping-prevention retainer ring, thereby protecting the part, below the weak point, of the hose from falling into the well.
Description
Technical field
The utility model relates to the falling-proof apparatus in a kind of oil equipment field, particularly relates to a kind of radially high-pressure injection flexible pipe falling-proof apparatus of hole creating technology of oil output measure mesohigh jetting that is used for.
Background technology
High-pressure hydraulic sprays radially, and hole creating technology originates from jetting flushing oil pipe bit bar; Found through increasing pressure that this technology had good sand washing ability afterwards; Satisfy through improving shower nozzle and relevant auxiliary equipment; Intensified pressure sprays the producing horizon position, develops into a kind of oilfield stimulation technology of high-efficiency and economic gradually.
As shown in Figure 1, existing high-pressure hydraulic sprays radially in the hole creating technology, and flexible pipe 20 connects through hose coupling 30 and spraycan polyphone, and is arranged in the flexible pipe sleeve 10.But in practical application, the high-pressure injection flexible pipe is prone to the well phenomenon takes place to rupture, and causes flexible pipe to fall to the production deleterious impact.The weak spot that the high-pressure injection flexible pipe is prone to take place to rupture mainly contains following 2 points:
1) threaded connection place of hose coupling;
2) hose coupling and high-pressure hose withholds the place.
Existing flexible pipe protection tube is fairly simple, just with hose coupling and part hoses limit in cavity, prevent that hose coupling and part flexible pipe from receiving the foreign object friction and Extrusion.But when fracture takes place above two weak spots, can't prevent the flexible pipe well that falls.
Because the defective that above-mentioned existing hose arrangement exists; The design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; Actively study innovation; In the hope of founding a kind of high-pressure injection flexible pipe falling-proof apparatus of new structure, can improve general existing flexible pipe falling-proof apparatus, make it have more practicality.
The utility model content
The main purpose of the utility model is; Overcome the defective that existing hose arrangement exists; And a kind of high-pressure injection flexible pipe falling-proof apparatus of new structure is provided; Technical problem to be solved is to make its protection hose coupling and lower hose avoid extruding and friction, when hose coupling place or the generation fracture of the flexible pipe place of withholding, can prevent that the part flexible pipe that ruptures from falling into well.
The purpose of the utility model and solve its technical problem and adopt following technical scheme to realize.According to a kind of high-pressure injection flexible pipe falling-proof apparatus that the utility model proposes, comprise flexible pipe protection tube, be nested with, anti-lost back-up ring and pipeline gland assembly; Described pipeline gland assembly is used to withhold at said flexible pipe; Said anti-lost back-up ring is arranged in the said flexible pipe protection tube; Described being nested with is arranged in the said flexible pipe protection tube and is positioned on the said anti-lost back-up ring.Wherein said anti-lost back-up ring is made up of two semicircular ring, and anti-lost back-up ring is provided with a plurality of discharge orifices.Described pipeline gland assembly comprises the cover core and the collar, and this cover core is a tubulose, is used to insert in the flexible pipe, and the described collar is used to withhold outside flexible pipe.The external diameter of described pipeline gland assembly is greater than the internal diameter of the through hole of said anti-lost back-up ring.
The utility model compared with prior art has tangible advantage and beneficial effect.Can know that by above technical scheme the utility model high-pressure injection flexible pipe falling-proof apparatus has advantage at least:
The high-pressure injection flexible pipe falling-proof apparatus of the utility model plays and prevents that hose coupling and part flexible pipe from receiving the effect of foreign object friction and Extrusion; And when fracture takes place in the weak spot of flexible pipe; Pipeline gland assembly on the flexible pipe of fracture can hang on the anti-lost back-up ring; Thereby the flexible pipe of protection bottom can not fall into well, avoids dropping the down-hole and the salvaging equal time that causes and the consumption of money by flexible pipe.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of manual, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.
Description of drawings
Fig. 1 is the mounting structure sketch map of flexible pipe in the prior art.
Fig. 2 is the generalized section of the utility model high-pressure injection flexible pipe falling-proof apparatus.
Fig. 3 is the generalized section of flexible pipe protection tube in the utility model high-pressure injection flexible pipe falling-proof apparatus.
Fig. 4 is the generalized section that is nested with in the utility model high-pressure injection flexible pipe falling-proof apparatus.
Fig. 5 is the structural representation of anti-lost back-up ring in the utility model high-pressure injection flexible pipe falling-proof apparatus.
Fig. 6 is the schematic cross-section of pipeline gland assembly in the utility model high-pressure injection flexible pipe falling-proof apparatus.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its specific embodiment of high-pressure injection flexible pipe falling-proof apparatus, structure, characteristic and the effect thereof that proposes according to the utility model, specify as after.
See also shown in Figure 2, the high-pressure injection flexible pipe falling-proof apparatus of the utility model preferred embodiment, it mainly comprises flexible pipe protection tube 1, be nested with 2, anti-lost back-up ring 3 and pipeline gland assembly 4.Said anti-lost back-up ring 3 is arranged in the said flexible pipe protection tube, describedly is nested with 2 and is arranged in the said flexible pipe protection tube and is pressed on the said anti-lost back-up ring, and described pipeline gland assembly 4 is used to withhold at said flexible pipe 5; The flexible pipe that has a pipeline gland assembly is positioned at and saidly is nested with 2.
As shown in Figure 3, be the generalized section of flexible pipe protection tube in the utility model high-pressure injection flexible pipe falling-proof apparatus.This flexible pipe protection tube 1 is the cylindricality tubular that is surrounded by tube wall 11, and its port 12 is provided with internal thread, is used for the erecting tools string; Flexible pipe protection tube middle part be vertical hollow tube 13, and this hollow tube 13 is used for placing and is nested with 2 and anti-lost back-up ring 3.The lower port 14 of flexible pipe protection tube is up-small and down-big horn-like; The internal diameter suitable for reading of this lower port 14 is slightly larger than the external diameter of pipeline gland assembly 4; After convenient soft pipeline gland assembly 4 cover top hoses, still can upwards penetrate from the lower port 14 of flexible pipe protection tube 1.The upper opening diameter of this lower port 14 is less than the diameter of hollow tube 13, thereby forms a platform in the inside of this flexible pipe protection tube.
As shown in Figure 4, be the generalized section that is nested with in the utility model high-pressure injection flexible pipe falling-proof apparatus.This is nested with 2 is the cylindricality tubulars that surrounded by tube wall 21, and its port 22 is up big and down small horn-like, is convenient to penetrating of flexible pipe.The middle part that is nested with is vertical hollow tube 23, and the lower port 24 that is nested with is the cylinder hole of internal diameter greater than its hollow tube 23 internal diameters.Be used to hold above-mentioned anti-lost back-up ring 3 in the lower port 24 that is nested with, and can play spacing effect, prevent anti-lost back-up ring 3 bobs and dislocation anti-lost back-up ring.
As shown in Figure 5, be the structural representation of anti-lost back-up ring in the utility model high-pressure injection flexible pipe falling-proof apparatus.This anti-lost back-up ring 3 is made up of semicircular ring 31 and semicircular ring 32, complete annulus of two common formations of semicircular ring.When it uses, need two semicircular ring be merged and use.Said high-pressure injection flexible pipe falling-proof apparatus in use, this anti-lost back-up ring is on the platform of hollow tube 13 lower ends of flexible pipe protection tube, and is positioned at the lower port 24 that is nested with.On each semicircular ring, all be provided with a plurality of discharge orifices 33 that are used for earial drainage.The internal diameter of the through hole 34 in the middle of the anti-lost back-up ring 3 is greater than the external diameter of flexible pipe, but less than the external diameter of gland assembly, so it can pass through flexible pipe, but can't pass through the gland assembly.After flexible pipe ruptured, anti-lost back-up ring can tangle the gland assembly, prevented the flexible pipe well that falls.Simultaneously, after flexible pipe fracture, a large amount of liquid flow in the flexible pipes protection tube 1, and the discharge orifice 33 on the anti-lost back-up ring provides the outlet of earial drainage for these liquid, and the instrument of preventing builds the pressure.
As shown in Figure 6, be the schematic cross-section of pipeline gland assembly in the utility model high-pressure injection flexible pipe falling-proof apparatus.Described pipeline gland assembly 4 comprises the cover core 41 and the collar 42, and cover core 41 is all tubulose with the collar 42.When using, will overlap core 41 earlier and fill in the relevant position in flexible pipe 5 in, and then be in the flexible pipe outer wall in the position of cover core 41 and withhold the collar 42, owing to there being cover core 41 in flexible pipe 5, to provide support power, thereby prevent that buckle press from crossing the flattening of senior general's flexible pipe it is blocked.After the collar 42 is withheld completion; To be fixed together in flexible pipe, and the collar 42 external diameters are greater than the internal diameter of the through hole 34 of anti-lost back-up ring 3, the flexible pipe when the hose coupling place breaks like this; Anti-lost back-up ring can tangle the collar in the pipeline gland assembly, prevents the flexible pipe well that falls.
The use installation steps of the high-pressure injection flexible pipe falling-proof apparatus of the utility model are following:
1) at first withholds hose assembly, comprise and withheld hose coupling and withheld pipeline gland assembly in position;
2) hose assembly is put on along lower port 14 from flexible pipe protection tube 1 below;
3) two semicircular ring 31 and semicircular ring 32 are merged the below of blocking the pipeline gland assembly of flexible pipe;
4) put into from the joint of flexible pipe and be nested with, and place an anti-lost back-up ring of fitting in the lower port 24 that is nested with the bottom;
5) will be nested with and anti-lost back-up ring is put into flexible pipe protection tube;
6) connect hose coupling and instrument, flexible pipe protection tube and instrument.
The utility model in use; When fracture took place flexible pipe, pipeline gland assembly can hang on the anti-lost back-up ring, thereby the flexible pipe of protection bottom can not fall into well; Avoid dropping the down-hole and the salvaging equal time that causes and the consumption of money have also realized the defencive function to flexible pipe simultaneously by flexible pipe.
The above; It only is the preferred embodiment of the utility model; Not being that the utility model is done any pro forma restriction, though the utility model with the preferred embodiment exposure as above, yet is not in order to limit the utility model; Anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be the content that does not break away from the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (5)
1. a high-pressure injection flexible pipe falling-proof apparatus is characterized in that, it comprises flexible pipe protection tube, is nested with, anti-lost back-up ring and pipeline gland assembly;
Described pipeline gland assembly is used to withhold at said flexible pipe;
Said anti-lost back-up ring is arranged in the said flexible pipe protection tube;
Described being nested with is arranged in the said flexible pipe protection tube and is positioned on the said anti-lost back-up ring.
2. high-pressure injection flexible pipe falling-proof apparatus according to claim 1 is characterized in that wherein said anti-lost back-up ring is made up of two semicircular ring.
3. high-pressure injection flexible pipe falling-proof apparatus according to claim 1 is characterized in that wherein said anti-lost back-up ring is provided with a plurality of discharge orifices.
4. high-pressure injection flexible pipe falling-proof apparatus according to claim 1 is characterized in that described pipeline gland assembly comprises the cover core and the collar, and this cover core is a tubulose, is used to insert in the flexible pipe, and the described collar is used to withhold outside flexible pipe.
5. high-pressure injection flexible pipe falling-proof apparatus according to claim 1 is characterized in that the collar external diameter of described pipeline gland assembly is greater than the internal diameter of the through hole of said anti-lost back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642919U CN202417454U (en) | 2011-12-29 | 2011-12-29 | High-pressure jetting hose dropping-prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642919U CN202417454U (en) | 2011-12-29 | 2011-12-29 | High-pressure jetting hose dropping-prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202417454U true CN202417454U (en) | 2012-09-05 |
Family
ID=46742227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205642919U Expired - Lifetime CN202417454U (en) | 2011-12-29 | 2011-12-29 | High-pressure jetting hose dropping-prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202417454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184857A (en) * | 2011-12-29 | 2013-07-03 | 四川安东油气工程技术服务有限公司 | Anti-dropping device for high-pressure jet hose |
-
2011
- 2011-12-29 CN CN2011205642919U patent/CN202417454U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184857A (en) * | 2011-12-29 | 2013-07-03 | 四川安东油气工程技术服务有限公司 | Anti-dropping device for high-pressure jet hose |
| CN103184857B (en) * | 2011-12-29 | 2015-12-16 | 四川安东油气工程技术服务有限公司 | High-pressure injection flexible pipe falling-proof apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |