CN203665021U - Misplaced flange screw hole corrector - Google Patents
Misplaced flange screw hole corrector Download PDFInfo
- Publication number
- CN203665021U CN203665021U CN201420064596.7U CN201420064596U CN203665021U CN 203665021 U CN203665021 U CN 203665021U CN 201420064596 U CN201420064596 U CN 201420064596U CN 203665021 U CN203665021 U CN 203665021U
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- hydraulic cylinder
- nut seat
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- carrier base
- hand member
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Abstract
The utility model relates to the technical field of misplaced flange screw hole correction devices, in particular to a misplaced flange screw hole corrector. The misplaced flange screw hole corrector comprises a correction screw, a support seat, a hydraulic cylinder, a piston barrel and a nut seat. The left portion of the correction screw is in a shape of a frustum with a large portion and a small portion, the outer side of the right end of the correction screw and the inner side of the left end of the nut seat are fixedly installed, the piston barrel capable of driving the nut seat to move towards the right is installed on the outer side of the nut seat, and the hydraulic cylinder capable of enabling the piston barrel to move towards the right through an injected high-pressure fluid is arranged on the outer side of the piston barrel. The misplaced flange screw hole corrector is reasonable and compact in structure and convenient to use, the correction screw with the frustum-shaped left end penetrates into misplaced screw holes to enable the contact face of the frustum face and a misplaced point to be gradually increased, accordingly the positions of two misplaced screw holes are gradually corrected and aligned, and then the left end of the correction screw can penetrate through the aligned screw holes. The misplaced flange screw hole corrector has the advantages of being small in size, light in weight, convenient to transport and carry and free of damage and especially suitable for repair and maintenance devices in an oil field production region.
Description
Technical field
the utility model relates to flange dislocation means for correcting technical field, is a kind of flange screw alignment correction device.
Background technology
natural gas station salt bath furnace, heat-conducting oil furnace and heat exchanger are due to long-term operation, and body of heater is reduced stiffness under the effect of high temperature, slow and continuous plastic deformation can occur, i.e. creep.When after dismounting stove end socket and bolt, body of heater loses support and stays distortion, becomes ellipse; In the time returning dress, cover flange screw and body of heater flange screw can misplace, and cause bolt cannot pass companion flange hole; And because the end socket short circuit of two crude heat exchangers is shorter, after flange distortion, causing its screw dislocation to cause bolt to pass, artificial being difficult to proofreaied and correct, and wastes time and energy.Conventionally adopt now the operations such as sled, Niu, Wedged, and in this process, cannot guarantee evenly due to the size of exerting oneself, easily damage mat, cause waste material and do over again, bury the hidden danger such as thorn leakage for later production run.Because oil field heat transmission equipment is in time process of assembling, often there is the situation of flange bolt hole dislocation, cause the increase of work on the spot amount and the cost of overhaul, because the duration that causes of dress of returning that manually cannot be effective, safe is spun out with the problem of post facility fault and happens occasionally, become turnaround of unit safety and take the upper obstacle producing of oil by force.
Summary of the invention
the utility model provides a kind of flange screw alignment correction device, overcome the deficiency of above-mentioned prior art, correction difficulty that its dislocation screw that can effectively solve existing manual synchronizing two adpting flanges exists, waste time and energy, fragile mat, cannot be effective, safe return dress and duration of causing is spun out the problem that happens occasionally, exists potential safety hazard with the problem of post facility fault.
the technical solution of the utility model realizes by following measures: a kind of flange screw alignment correction device, comprises and revise screw rod, carrier base, hydraulic cylinder, piston cylinder and nut seat; The left part of revising screw rod is taper type left large and right small, the right-hand member outside of correction screw rod is fixedly installed togather with the left end inner side of nut seat, the outside of nut seat is provided with the piston cylinder that can drive nut seat to move right, the outside of piston cylinder is provided with the hydraulic cylinder that can piston cylinder be moved right by injecting high-pressure fluid, on hydraulic cylinder, have liquid injection hole, the piston cylinder outside of corresponding hydraulic cylinder leftward position is provided with the carrier base of the spacing cylinder ends of energy.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
above-mentioned piston cylinder can comprise that the diameter that is positioned at the undergauge section in left side and is fixed on undergauge section right-hand member is greater than the extension diameter section of undergauge section, the outside of undergauge section and hydraulic cylinder inner side and the outside of extension diameter section are equipped with sealing ring with the inner side of hydraulic cylinder, the oil pressure chamber that formation communicates with liquid injection hole between the hydraulic cylinder of position between two place's sealing rings and corresponding undergauge section and extension diameter section.
the hydraulic cylinder inner side of above-mentioned corresponding undergauge fragment position and the outside of extension diameter section all can be provided with closure gasket groove, and sealing ring is positioned at corresponding closure gasket groove.
can there be pressure release annular groove the right-hand member inner side of above-mentioned hydraulic cylinder.
above-mentioned nut seat can be sleeved in piston cylinder, and restraining position ring block platform outside the nut seat of corresponding piston cylinder right-hand member outer fix.
can there be the stopper slot matching with hydraulic cylinder outline the right-hand member inner side of the carrier base of above-mentioned corresponding hydraulic cylinder left position, the left end of hydraulic cylinder is positioned at stopper slot, the middle part of carrier base has the through hole that can be sleeved on piston cylinder outside vertically, there is the binding groove that is orthohexagonal the left end inner side of carrier base, there is opening mounting groove to the right at the rear portion of carrier base, and there is the open slot running through vertically the front portion of carrier base.
the right-hand member outside of above-mentioned correction screw rod can be threaded connection and be fixedly installed togather with the left end inner side of nut seat, and the right-hand member of nut seat is positive hexagonal prism.
the utility model reasonable and compact in structure, easy to use, it penetrates from dislocation screw by the correction screw rod that is taper type by left end, its frustum face and the contact-making surface of dislocation point will be increased gradually, thereby the position of the screw of two dislocation is progressively proofreaied and correct to alignment, then the left end of revising screw rod can pass in the screw of alignment, and this has the correction screw rod of frustum to make it in trimming process, can not damage the flange screw being in contact with it; Have volume little, lightweight, transport easy to carry, undamaged feature, be particularly useful for field produces region checking maintenance equipment.
Brief description of the drawings
the master that accompanying drawing 1 is the utility model most preferred embodiment looks broken section structural representation.
accompanying drawing 2 is the left TV structure schematic diagram of accompanying drawing 1 medium-height trestle seat.
coding in accompanying drawing is respectively: 1 for revising screw rod, and 2 is carrier base, and 3 is hydraulic cylinder, 4 is nut seat, and 5 is liquid injection hole, and 6 is undergauge section, 7 is extension diameter section, and 8 is sealing ring, and 9 is pressure release annular groove, 10 is limited ring dais, and 11 is stopper slot, and 12 is through hole, 13 is binding groove, 14 is mounting groove, and 15 is open slot, and 16 is positive hexagonal prism.
Detailed description of the invention
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this flange screw alignment correction device comprises revises screw rod 1, carrier base 2, hydraulic cylinder 3, piston cylinder and nut seat 4; The left part of revising screw rod 1 is taper type left large and right small, the right-hand member outside of correction screw rod 1 is fixedly installed togather with the left end inner side of nut seat 4, the outside of nut seat 4 is provided with the piston cylinder that can drive nut seat 4 to move right, the outside of piston cylinder is provided with the hydraulic cylinder 3 that can piston cylinder be moved right by injecting high-pressure fluid, on hydraulic cylinder 3, have liquid injection hole 5, the piston cylinder outside of corresponding hydraulic cylinder 3 leftward position is provided with the carrier base 2 of energy spacing hydraulic cylinder 3 ends.According to demand, revise that the left part of screw rod 1 is the large footpath of taper type left large and right small and the diameter of screw to be corrected matches, its path should be less than or equal to the minimum clearance between two dislocation screws.In use, pass from left to right in two dislocation screws revising screw rod 1, then be fixedly installed togather with nut seat 4, the left end of carrier base 2 is against on the end face of ring flange of screw dislocation, and hydraulic cylinder 3 and carrier base 2 are realized mutually spacing, then the existing well known device of hydraulic pump or other exportable high-pressure fluid is connected to liquid injection hole 5 and made it to the interior injection high-pressure fluid of liquid injection hole 5, now piston cylinder will drive nut seat 4 and revise screw rod 1 right lateral under the effect of high-pressure fluid, because the left part of revising screw rod 1 is taper type left large and right small, revising screw rod 1 its frustum face in the process moving right will increase gradually with the contact-making surface of dislocation point, thereby the position of the screw of two dislocation is progressively proofreaied and correct to alignment, then the left end of revising screw rod 1 can pass in the screw of alignment, in this process, can complete successively or simultaneously the correction to multiple dislocation screws, also can install bolt to first completing in the screw of correction, to give ring flange pretightning force to be corrected, be convenient to accurate correction, have the correction screw rod 1 of frustum to make it in trimming process, can not damage the flange screw being in contact with it, have volume little, lightweight, transport easy to carry, undamaged feature, be particularly useful for field produces region checking maintenance equipment.
can according to actual needs, above-mentioned flange screw alignment correction device be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, piston cylinder comprises that the diameter that is positioned at the undergauge section 6 in left side and is fixed on undergauge section 6 right-hand members is greater than the extension diameter section 7 of undergauge section 6, the outside of the outside of undergauge section 6 and hydraulic cylinder 3 inner sides and extension diameter section 7 and the inner side of hydraulic cylinder 3 are equipped with sealing ring 8, between the hydraulic cylinder 3 of position between two place's sealing rings 8 and corresponding undergauge section 6 and extension diameter section 7, form the oil pressure chamber communicating with liquid injection hole 5.In use, high-pressure fluid is entered oil pressure chamber and is acted on the left side of extension diameter section 7 by liquid injection hole 5, moves right thereby promote piston cylinder.
as shown in accompanying drawing 1,2, hydraulic cylinder 3 inner sides of corresponding undergauge section 6 positions and the outside of extension diameter section 7 are equipped with closure gasket groove, and sealing ring 8 is positioned at corresponding closure gasket groove.
as shown in accompanying drawing 1,2, there is pressure release annular groove 9 the right-hand member inner side of hydraulic cylinder 3.In use, in the time that the closure gasket groove of extension diameter section 7 drives sealing ring 8 in it to move to pressure release annular groove 9 position, sealing state cannot be continued to keep in oil pressure chamber, the high-pressure fluid injecting subsequently will release from this, and can not act on piston cylinder, thus, piston cylinder will stop right lateral, thereby prevent that piston cylinder from deviating from hydraulic cylinder 3, the high-pressure fluid simultaneously releasing can be warned to operating personnel, makes it stop the injection of high-pressure fluid.According to demand, the distance between pressure release annular groove 9 and the closure gasket groove of extension diameter section 7 should be greater than revises screw rod 1 from the stroke of pull-out to the right in the flange screw in left side, can guarantee like this to revise screw rod 1 and pull out in the flange screw of dislocation.
as shown in accompanying drawing 1,2, nut seat 4 is sleeved in piston cylinder, and the nut seat 4 outside restraining position ring block platforms 10 of corresponding piston cylinder right-hand member outer fix.In process at piston cylinder at right lateral, its right-hand member moves right together by being against on the left side of limited ring dais 10 and promoting nut seat 4.
as shown in accompanying drawing 1,2, there is the stopper slot 11 matching with hydraulic cylinder 3 outlines the right-hand member inner side of the carrier base 2 of corresponding hydraulic cylinder 3 left positions, the left end of hydraulic cylinder 3 is positioned at stopper slot 11, the middle part of carrier base 2 has the through hole 12 that can be sleeved on piston cylinder outside vertically, there is the binding groove 13 that is orthohexagonal the left end inner side of carrier base 2, there is opening mounting groove 14 to the right at the rear portion of carrier base 2, and there is the open slot 15 running through vertically the front portion of carrier base 2.In use, stopper slot 11 can be realized the location to hydraulic cylinder 3, and mounting groove 14 and open slot 15 can make it easy to install, and binding groove 13 can be for screwing the nut that is arranged on screw place after correction.The outline of the nut that according to demand, binding groove 13 can need to screw according to it changes shape.
as shown in accompanying drawing 1,2, the right-hand member outside of correction screw rod 1 is threaded connection and is fixedly installed togather with the left end inner side of nut seat 4, and the right-hand member of nut seat 4 has positive hexagonal prism 16.Can make like this it be more convenient for installing.According to demand, positive hexagonal prism 16 can change shape according to fastening instrument, can make installing hole that ripping bar penetrates etc. as changed into positive tetragonal prism or be provided with the milling flat shape of pair of parallel face or be provided with one.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. a flange screw alignment correction device, is characterized in that comprising correction screw rod, carrier base, hydraulic cylinder, piston cylinder and nut seat; The left part of revising screw rod is taper type left large and right small, the right-hand member outside of correction screw rod is fixedly installed togather with the left end inner side of nut seat, the outside of nut seat is provided with the piston cylinder that can drive nut seat to move right, the outside of piston cylinder is provided with the hydraulic cylinder that can piston cylinder be moved right by injecting high-pressure fluid, on hydraulic cylinder, have liquid injection hole, the piston cylinder outside of corresponding hydraulic cylinder leftward position is provided with the carrier base of the spacing cylinder ends of energy.
2. flange screw alignment correction device according to claim 1, it is characterized in that piston cylinder comprises that the diameter that is positioned at the undergauge section in left side and is fixed on undergauge section right-hand member is greater than the extension diameter section of undergauge section, the outside of undergauge section and hydraulic cylinder inner side and the outside of extension diameter section are equipped with sealing ring with the inner side of hydraulic cylinder, the oil pressure chamber that formation communicates with liquid injection hole between the hydraulic cylinder of position between two place's sealing rings and corresponding undergauge section and extension diameter section.
3. flange screw alignment correction device according to claim 2, is characterized in that the hydraulic cylinder inner side of corresponding undergauge fragment position and the outside of extension diameter section are equipped with closure gasket groove, and sealing ring is positioned at corresponding closure gasket groove.
4. according to the flange screw alignment correction device described in claim 1 or 2 or 3, it is characterized in that there is pressure release annular groove the right-hand member inner side of hydraulic cylinder.
5. according to the flange screw alignment correction device described in claim 1 or 2 or 3, it is characterized in that nut seat is sleeved in piston cylinder, and restraining position ring block platform outside the nut seat of corresponding piston cylinder right-hand member outer fix.
6. flange screw alignment correction device according to claim 4, is characterized in that nut seat is sleeved in piston cylinder, and restraining position ring block platform outside the nut seat of corresponding piston cylinder right-hand member outer fix.
7. according to the flange screw alignment correction device described in claim 1 or 2 or 3, there is the stopper slot matching with hydraulic cylinder outline the right-hand member inner side that it is characterized in that the carrier base of corresponding hydraulic cylinder left position, the left end of hydraulic cylinder is positioned at stopper slot, the middle part of carrier base has the through hole that can be sleeved on piston cylinder outside vertically, there is the binding groove that is orthohexagonal the left end inner side of carrier base, there is opening mounting groove to the right at the rear portion of carrier base, and there is the open slot running through vertically the front portion of carrier base.
8. flange screw alignment correction device according to claim 7, there is the stopper slot matching with hydraulic cylinder outline the right-hand member inner side that it is characterized in that the carrier base of corresponding hydraulic cylinder left position, the left end of hydraulic cylinder is positioned at stopper slot, the middle part of carrier base has the through hole that can be sleeved on piston cylinder outside vertically, there is the binding groove that is orthohexagonal the left end inner side of carrier base, there is opening mounting groove to the right at the rear portion of carrier base, and there is the open slot running through vertically the front portion of carrier base.
9. according to the flange screw alignment correction device described in claim 1 or 2 or 3, it is characterized in that revising the right-hand member outside of screw rod and the left end inner side of nut seat and be threaded connection and be fixedly installed togather, and the right-hand member of nut seat is positive hexagonal prism.
10. flange screw alignment correction device according to claim 8, it is characterized in that revising the right-hand member outside of screw rod and the left end inner side of nut seat and be threaded connection and be fixedly installed togather, and the right-hand member of nut seat is positive hexagonal prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064596.7U CN203665021U (en) | 2014-02-13 | 2014-02-13 | Misplaced flange screw hole corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064596.7U CN203665021U (en) | 2014-02-13 | 2014-02-13 | Misplaced flange screw hole corrector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203665021U true CN203665021U (en) | 2014-06-25 |
Family
ID=50961355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064596.7U Expired - Fee Related CN203665021U (en) | 2014-02-13 | 2014-02-13 | Misplaced flange screw hole corrector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203665021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030479A (en) * | 2016-12-26 | 2017-08-11 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN111318873A (en) * | 2018-12-13 | 2020-06-23 | 北京金风科创风电设备有限公司 | Staggered hole correction equipment and staggered hole correction method |
-
2014
- 2014-02-13 CN CN201420064596.7U patent/CN203665021U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030479A (en) * | 2016-12-26 | 2017-08-11 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN107030479B (en) * | 2016-12-26 | 2019-05-24 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN111318873A (en) * | 2018-12-13 | 2020-06-23 | 北京金风科创风电设备有限公司 | Staggered hole correction equipment and staggered hole correction method |
| CN111318873B (en) * | 2018-12-13 | 2023-06-16 | 北京金风科创风电设备有限公司 | Staggered hole correcting equipment and staggered hole correcting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20190213 |