CN204663445U - Water conveyance steel tube fisher in a kind of water supply well - Google Patents
Water conveyance steel tube fisher in a kind of water supply well Download PDFInfo
- Publication number
- CN204663445U CN204663445U CN201520388235.2U CN201520388235U CN204663445U CN 204663445 U CN204663445 U CN 204663445U CN 201520388235 U CN201520388235 U CN 201520388235U CN 204663445 U CN204663445 U CN 204663445U
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- steel tube
- fisher
- water conveyance
- steel pipe
- salvaging
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Abstract
The utility model discloses water conveyance steel tube fisher in a kind of water supply well, comprise one and salvage steel pipe, be provided with in the bottom of described salvaging steel pipe when declining at fisher, to the cutting edge that the crowded thing of card cuts; The inwall of described salvaging steel pipe be provided with rise at fisher time, for withstanding the top flat of water conveyance steel tube flange, described top flat is inclined upwardly; By fisher, water conveyance steel tube in well and the clip thing between the water supply well borehole wall are disposed, remove the crowded grip force of water conveyance steel tube and wall casing or the borehole wall, and by revolution lifting appliance, accident water conveyance steel tube is salvaged.
Description
Technical field
The utility model relates to water conveyance steel tube fisher in a kind of water supply well, belongs to industry and keeps in repair field with supply equipment facility in civilian water supply well.
Background technology
Industry or domestic water supply water supply well usually use steel pipe as water-supply-pipe in well, adopt Flange joint between steel pipe.In Long-Time Service process, in well, water-supply-pipe or adpting flange are by corrosion.Sometimes when keeping in repair aboveground or underground equipment pipeline, because misoperation is often fallen into pipe wrench, hardware & tools or screw etc. in well accidentally, these objects are outstanding to be stuck between water conveyance steel tube flange and water supply well wall casing, or be stuck between submersible pump and water supply well tube wall, in water delivery pipe clamp water squeezing source well tubular wall in water supply well or the borehole wall, give and water-supply-pipe proposition well is brought extreme difficulties; Conventionally often used fishing tap to salvage in the past, and namely die nipple was bored in water-supply-pipe in eye, but because the frictional force between die nipple and pipe intraocular wall is limited, often cause die nipple slippage; Sometimes once have blocked portion thing at pipe intraocular, die nipple is difficult to bore cannot be salvaged into causing.When water conveyance steel tube in well cannot salvaged time often cause scrapping of water supply well, not only cause certain economic loss, also may have influence on industry and resident just commonly use water.
Utility model content
The purpose of this utility model carries out safe salvaging to accident water conveyance steel tube in water supply well exactly, disclose water conveyance steel tube fisher in a kind of water supply well, by fisher, water conveyance steel tube in well and the clip thing between the water supply well borehole wall can be disposed, remove the crowded grip force of water conveyance steel tube and wall casing or the borehole wall, and by revolution lifting appliance, accident water conveyance steel tube is salvaged.
For achieving the above object, the utility model adopts following technical scheme:
Water conveyance steel tube fisher in a kind of water supply well, is provided with when declining at fisher, to the cutting edge that the crowded thing of card cuts in the bottom of described salvaging steel pipe; The inwall of described salvaging steel pipe be provided with rise at fisher time, for withstanding the top flat of water conveyance steel tube flange, described top flat is inclined upwardly.
The internal diameter of described salvaging steel pipe is greater than the diameter of water conveyance steel tube and water conveyance steel tube flange.
Described top flat is structure as a whole with salvaging steel pipe, and utilize salvaging steel pipe directly to process top flat, this structure can bear larger power, prevents from salvaging process, cause water conveyance steel tube to be salvaged unsuccessfully due to coming off of top flat.
The external diameter of described salvaging steel pipe is less than the internal diameter of water supply well wall casing.
Described salvaging steel pipe top end welds circular steel plate, and circular steel board diameter is identical with salvaging diameter of steel tube, circular steel plate center processing through hole, and the screw thread that processing is in mating connection with drilling rod on through hole.
Cutting edge is welded with carbide alloy fragment bottom described salvaging steel pipe, described cutting edge be divided into the end go out sword, in go out sword and sword of going out, the described end, goes out sword and is arranged on the bottom of salvaging steel pipe, going out sword in described is arranged on the inwall salvaged bottom steel pipe, and described sword of going out is arranged on the outer wall salvaged bottom steel pipe.
The ring-type internal diameter 40mm larger than flange diameter of sword is gone out in described.
Described top flat and the distance 0.5m larger than every root water conveyance steel tube length salvaging steel duct top; Described top panel width is greater than 50mm.
Described top flat totally 3 and salvaging the same cross section of steel pipe in 120 ° uniform, top flat is tilted to pipe, tilt rear three top flat inner edges in the same cross-sectional circumferential vertical with salvaging steel pipe, and circle diameter 5mm larger than water conveyance steel tube flange diameter, and salvaging in the process walked of steel pipe downwards, by slowly turning round salvaging steel pipe, make salvaging steel pipe concentric with flange gradually in the steel pipe making inclined-plane in 3 top flats slowly flange be received top flat place, when then making top flat walk under external force drives, flange can be passed through downwards; In the process that accident water conveyance steel tube is upwards salvaged, make salvaging steel pipe and flange bias as far as possible, utilize the bias of salvaging steel pipe and flange, make to have at least one to withstand flange in 3 top flats, then accident water conveyance steel tube is salvaged.
The beneficial effects of the utility model are as follows:
The utility model by the end of fisher go out sword, in go out sword and sword of going out carries out machining water conveyance steel tube in well and the clip thing between the water supply well borehole wall, remove the crowded grip force of water conveyance steel tube and wall casing or the borehole wall, then by revolution lifting appliance and fisher, accident water conveyance steel tube is salvaged, this apparatus structure is simple, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that the utility model turns the structure principle chart abolishing the crowded thing of card;
Fig. 2 is the structure principle chart that the utility model salvages water conveyance steel tube;
Fig. 3, Fig. 4 and Fig. 5 are fisher composition structure chart and partial duty principle enlarged drawing.
Wherein: 1 boom hoisting, 2 drilling rods, 3 rock-core borers, 4 hydraulic jacks, 5 fishers, 6 water supply well wall casings, 7 cards squeeze thing, 8 water conveyance steel tube flanges, 9 water conveyance steel tubes, 10 circular steel plates, 11 salvage steel pipe, 12 cutting edges, 13 top flats, 14 top flats and flange contact stress point.
Detailed description of the invention
Below in conjunction with accompanying drawing and case study on implementation, the utility model is further illustrated.
Fig. 1 to Fig. 5 is the johning knot composition of the utility model revolution pressurization Hoisting System and fisher 5, is also that the crowded thing 7 of card is abolished in fisher 5 revolution, and promotes the operating principle figure salvaging water conveyance steel tube flange 8.
Wherein the concrete structure of fisher 5 is as follows:
Comprise one and salvage steel pipe 11, in the bottom of described salvaging steel pipe 11, cutting edge 12 is installed, is provided with acclivitous top flat 13 at the inwall of described salvaging steel pipe.When fisher 5 works, be connected and use revolution pressurization Hoisting System.Revolution pressurization Hoisting System is made up of drilling rod 2, hydraulic jack 4, rock-core borer 3, boom hoisting 1 etc.
Further, the internal diameter of described salvaging steel pipe 11 is greater than the diameter of water conveyance steel tube 9 and water conveyance steel tube flange 8.
Further, described top flat 13 is structure as a whole with salvaging steel pipe 11, cutting three and the equal-sized tube wall block of top flat 13 on the tube wall salvaging steel pipe 11, and only cut three limits (top, the left side, the right) of tube wall block and base is not cut, then tube wall block is bent to the inner side of salvaging steel pipe 11, final formation top flat 13, this top flat is one with salvaging steel pipe 11, therefore, larger power can be born, prevent from salvaging process, cause due to coming off of top flat water conveyance steel tube to be salvaged unsuccessfully.
Further, described top flat 13 also can not be structure as a whole with salvaging steel pipe 11, and it is welded on salvages steel pipe 11, and this connected mode is only suitable for the salvaging to lighter or smaller water conveyance steel tube.
Further, the external diameter of described salvaging steel pipe 11 is less than the internal diameter of water supply well wall casing 6.
Further, described salvaging steel pipe top end welds circular steel plate 10, and circular steel plate 10 diameter is identical with salvaging steel pipe 11 diameter, circular steel plate 10 center processing through hole, and the screw thread that processing is in mating connection with drilling rod 2 on through hole.
Further, cutting edge 12 is welded with carbide alloy fragment bottom described salvaging steel pipe 11.
Described cutting edge 12 be divided into the end go out sword, in go out sword and sword of going out, the described end, goes out sword and is arranged on and salvages the bottom of steel pipe, goes out sword and be arranged on the inwall salvaged bottom steel pipe in described, and described sword of going out is arranged on the outer wall salvaged bottom steel pipe.And in go out sword place ring-type internal diameter 40mm larger than flange diameter.
Further, described top flat 13 and the distance 0.5m larger than every root water conveyance steel tube length salvaging steel duct top; Described top panel width is not less than 50mm.
Further, described top flat 13 totally 3 and salvaging the same cross section of steel pipe in 120 ° uniform, top flat is tilted to pipe, tilt rear three top flat inner edges in the same cross-sectional circumferential vertical with salvaging steel pipe, and circle diameter 5mm larger than water conveyance steel tube flange diameter, when walking under external force drives to make top flat, flange can be passed through downwards.
Utilize said apparatus to carry out the safety operation technique of salvaging, the steps include:
Step one: salvage steel pipe 11 selection.The internal diameter salvaging steel pipe 11 is determined, general internal diameter about the 50mm larger than water conveyance steel tube flange diameter salvaging steel pipe 11 according to the diameter of the water conveyance steel tube flange 8 of water conveyance steel tube in well 9.The length of salvaging steel pipe is chosen, general length 0.5m larger than both sums rear according to the length of water conveyance steel tube 9 and the thickness sum of water conveyance steel tube flange 8.Salvage steel pipe and select seamless steel pipe, forbid selecting spiral steel pipe.
Step 2: the making of fisher 5.Salvage steel pipe 11 upper end and weld circular steel plate 10, circular steel board diameter is identical with salvaging steel pipe 11 diameter, and the thickness of circular steel plate 10 is not less than 20mm; Circular steel plate center processing through hole, and the screw thread that processing is in mating connection with drilling rod 2 on through hole.Salvage bottom steel pipe 11 with carbide alloy fragment welding cutting edge 12, go out at the bottom of cutting edge point sword, in go out sword and sword of going out, inside and outside go out sword according to the difference Choice and process salvaging steel pipe 11 internal diameter and water conveyance steel tube flange 8 external diameter, go out sword place ring-type internal diameter in final and be greater than flange diameter 40mm.Be no less than the position of every root water conveyance steel tube length in distance salvaging steel pipe 11 inner tip, processing top flat 13, top flat 13 width is not less than 50mm.Top flat 13 totally 3 and salvaging the same cross section of steel pipe 11 in 120 ° uniform.Top flat 13 is bending in pipe, and after bending, top flat 13 inner edge is in the same cross-sectional circumferential vertical with salvaging steel pipe 11.Circle diameter 5mm larger than water conveyance steel tube flange 8 diameter.
Step 3: the connection of revolution pressurization Hoisting System and fisher.The order of connection is from bottom to top: fisher 5, drilling rod 2, hydraulic jack 4, rock-core borer 3, boom hoisting 1 etc.
Step 4: safety operation technique.Drilling rod 2 in the revolution pressurization Hoisting System connected and fisher and fisher 5 are transferred in water supply well, when fisher 5 close to salvaged water conveyance steel tube flange 8 top be about about 1m locate time, start rock-core borer 3, rock-core borer 3 clamps drilling rod 2 and slowly drives drilling rod 2 to turn round, and utilizes boom hoisting 1 that drilling rod 2 and fisher 5 are transferred thing 7 crowded with card simultaneously and contacts; Cutting edge 12 bottom fisher by cutting or shock effect, slowly squeeze thing 7 card and disposing, and water conveyance steel tube flange 8 and water conveyance steel tube 9 are encased in fisher 5; Wherein require that drilling rod 2 speed of gyration is not higher than 35r/min, utilizes the deadweight of drilling rod 2 and fisher 5 to pressurize to cutting edge 12.
Step 4: when the top flat 13 of fisher 5 decrease beyond water conveyance steel tube flange 8, start slowly upwards to promote fisher 5, when determining that the top flat 13 of fisher 5 firmly withstands water conveyance steel tube flange 8 (guaranteeing that top flat must not depart from flange), top flat and flange contact stress point 14 is given in Fig. 5, operation clamps the hydraulic jack 4 of drilling rod 2, be delivered on the water conveyance steel tube flange 8 that contacts with top flat 13 with the top power upwards that hydraulic jack 4 dozens produces by drilling rod 2, the water conveyance steel tube 9 in water supply well and water conveyance steel tube flange 8 are pushed up work.
Step 5: when using the pressurization of hydraulic jack semi-finals power, guarantee that pressure slowly rises, the oil pressure gauge reaction of use is sensitive, examines the active situation of drilling rod 2, when finding the increasing of drilling rod 2 scope of activities and the aobvious number of oil pressure gauge reduces, illustrate that in well, water conveyance steel tube is pushed up work.Continue operation hydraulic jack 4 to drilling rod to rise a jack oil cylinder pressure stroke.Then the clamping slips of hydraulic jack 4 is unclamped, boom hoisting is used to carry out hoisting test, when with the draw-bar donamometer that hoisting device connects show the gross weight of turning round water conveyance steel tube 9 salvaged in Hoisting System of pressurizeing, fisher 5 and well and flange 8 thereof equal time, illustrate that in well, water conveyance steel tube 9 and water conveyance steel tube flange 8 etc. have not existed by the crowded phenomenon of card, can all be suggested outside well.
Step 5: lay down hydraulic jack 4 respectively, rock-core borer 3, utilizes boom hoisting 1 progressively revolution pressurization Hoisting System, fisher 5, water conveyance steel tube flange 8, water conveyance steel tube 9 etc. to be proposed outside water supply well.
Step 6: repeatedly operate.When hoisting test finds that the pulling force of draw-bar donamometer display is greater than the gross weights such as revolution pressurization Hoisting System, fisher 5, water conveyance steel tube flange 8 and water conveyance steel tube 9, illustrate that water conveyance steel tube flange 8 and water conveyance steel tube 9 also have and squeezed phenomenon by card.When promoting with boom hoisting, use probing routine to carry drill method and promote drilling rod 2, until water conveyance steel tube 9 and water conveyance steel tube flange 8 are proposed outside well by by root.
If when cannot promote with boom hoisting, use hydraulic jack 4 to promote drilling rod 2 by root, carry drill method according to probing routine and promote drilling rod 2, until water conveyance steel tube 9 and water conveyance steel tube flange 8 are proposed outside well by by root.
Safety notice of the present utility model:
Require that the circular steel plate 10 on fisher 5 top is wanted firmly, must not occur sealing-off phenomenon with welding of salvaging steel pipe 11; The pulling force that drilling rod 2 and fisher 5 adopt screwed connection also can bear 150 tons is not threaded off; Loosening must not appear in the slips between hydraulic jack 4 and drilling rod 2; Drilling rod 2 top will firmly be connected with boom hoisting 1 and have anti-run safety device.Hydraulic jack 4, rock-core borer 3 and boom hoisting 1 must be operated by experienced skilled person.During operation, other staff are away from scene.When rock-core borer 3 drives drilling rod 2 pressurization to turn round, flushing liquor to be pumped into by drilling rod 2 in well, cooling when working to keep cutting edge 12.
Embodiment:
Dormitory area, Cha Zhuan colliery water supply well water-supply-pipe is salvaged.Cha Zhuan ore deposit dormitory water supply well is come into operation for 1987.Use submersible pump supplies water.Water source well depth 352m, wall casing internal diameter 273mm, in well, water-supply-pipe is Φ 89 × 4mm seamless steel pipe.Find that water-supply-pipe is obstructed by card when preparation proposes water-supply-pipe when finding not go up water in well, powerful rising pulls out rear discovery hydraulic pipeline in the disengagement of well depth 57m place, and disengagement place bolt rust is disconnected.Think that the pipeline of residue bottom may be blocked by thing to be difficult to extract.After further investigation reveals that successively have little pipe wrench, hardware & tools and the screws etc. such as spanner were once fallen in well.These objects as card squeeze thing stuck for hydraulic pipeline in well.After use to eye in abutted flange in well under drilling rod splicing sleeve die nipple, but work die nipple slippage when pulling out die nipple and salvage unsuccessfully.All well is salvaged remaining water conveyance steel tube in well by the success of use the utility model.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. a water conveyance steel tube fisher in water supply well, is characterized in that: comprise one and salvage steel pipe, be provided with when declining at fisher in the bottom of described salvaging steel pipe, to the cutting edge that the crowded thing of card cuts; The inwall of described salvaging steel pipe be provided with rise at fisher time, for withstanding the top flat of water conveyance steel tube flange, described top flat is inclined upwardly.
2. water conveyance steel tube fisher in water supply well as claimed in claim 1, is characterized in that: the internal diameter of described salvaging steel pipe is greater than the diameter of water conveyance steel tube and water conveyance steel tube flange.
3. water conveyance steel tube fisher in water supply well as claimed in claim 1, is characterized in that: described top flat is structure as a whole with salvaging steel pipe.
4. water conveyance steel tube fisher in water supply well as claimed in claim 1, is characterized in that: the external diameter of described salvaging steel pipe is less than the internal diameter of water supply well wall casing.
5. water conveyance steel tube fisher in water supply well as claimed in claim 1, it is characterized in that: described salvaging steel pipe top end welds circular steel plate, circular steel board diameter is identical with salvaging diameter of steel tube, circular steel plate center is processed with through hole, and the screw thread that processing is in mating connection with drilling rod on through hole.
6. water conveyance steel tube fisher in water supply well as claimed in claim 1, is characterized in that: be welded with cutting edge with carbide alloy fragment bottom described salvaging steel pipe.
7. water conveyance steel tube fisher in water supply well as claimed in claim 6, it is characterized in that: described cutting edge be divided into the end go out sword, in go out sword and sword of going out, the described end, goes out sword and is arranged on the bottom of salvaging steel pipe, going out sword in described is arranged on the inwall salvaged bottom steel pipe, and described sword of going out is arranged on the outer wall salvaged bottom steel pipe.
8. water conveyance steel tube fisher in water supply well as claimed in claim 7, is characterized in that: the ring-type internal diameter 40mm larger than flange diameter going out sword in described.
9. water conveyance steel tube fisher in water supply well as claimed in claim 1, is characterized in that: described top flat and the distance 0.5m larger than every root water conveyance steel tube length salvaging steel duct top; Described top panel width is greater than 50mm.
10. water conveyance steel tube fisher in water supply well as claimed in claim 1, it is characterized in that: described top flat totally 3 and salvaging the same cross section of steel pipe in 120 ° uniform, top flat is tilted to pipe, tilt rear three top flat inner edges in the same cross-sectional circumferential vertical with salvaging steel pipe, and circle diameter 5mm larger than water conveyance steel tube flange diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388235.2U CN204663445U (en) | 2015-06-08 | 2015-06-08 | Water conveyance steel tube fisher in a kind of water supply well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388235.2U CN204663445U (en) | 2015-06-08 | 2015-06-08 | Water conveyance steel tube fisher in a kind of water supply well |
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| Publication Number | Publication Date |
|---|---|
| CN204663445U true CN204663445U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520388235.2U Expired - Fee Related CN204663445U (en) | 2015-06-08 | 2015-06-08 | Water conveyance steel tube fisher in a kind of water supply well |
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| CN (1) | CN204663445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847291A (en) * | 2015-06-08 | 2015-08-19 | 山东鲁潍机械厂 | Water conveying steel pipe fishing device in water source well |
-
2015
- 2015-06-08 CN CN201520388235.2U patent/CN204663445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847291A (en) * | 2015-06-08 | 2015-08-19 | 山东鲁潍机械厂 | Water conveying steel pipe fishing device in water source well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180523 Address after: 261200 Fenghuang street, Fangzi District, Weifang, Shandong Patentee after: Fourth exploration team of Shandong Coalfield Geological Bureau Address before: No. 1, Fang Bei Road, Fangzi District, Weifang, Shandong Patentee before: Shandong Lu Wei machine making factory |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20180608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |