CN105415276A - Dismounting device for high-pressure water descaling nozzle - Google Patents
Dismounting device for high-pressure water descaling nozzle Download PDFInfo
- Publication number
- CN105415276A CN105415276A CN201510969744.9A CN201510969744A CN105415276A CN 105415276 A CN105415276 A CN 105415276A CN 201510969744 A CN201510969744 A CN 201510969744A CN 105415276 A CN105415276 A CN 105415276A
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- China
- Prior art keywords
- connecting rod
- nozzle
- screw
- spray nozzle
- descaling spray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention provides a dismounting device for a high-pressure water descaling nozzle. The dismounting device comprises a connector, a locking structure, a connecting rod, a movable hammer and an anti-falling structure, wherein the connector is block-shaped; an opening is formed in one side surface of the connector; a positioning structure, in which the structure of the outer surface of the nozzle is embedded, is arranged on one side wall of the gap; the locking structure is arranged on the connector, and is used for locking the nozzle and preventing the nozzle from falling after the nozzle is embedded in the opening; the upper end of the connecting rod is hinged to the lower part of the connector; the movable hammer is block-shaped, and is provided with a through hole; the lower part of the connecting rod penetrates the through hole; the through hole and the connecting rod are in clearance fit with each other, so as to facilitate movable hammer sliding along the connecting rod; and the anti-falling structure is arranged at the lower end of the connecting rod, and is used for preventing the movable hammer from falling from the connecting rod. The dismounting device is simple in structure. When dismounted through hammering, the high-pressure water descaling nozzle is firmly clamped and is not prone to fall. When the dismounting space is narrow, the dismounting moving axis can slightly incline with the axis of the high-pressure water descaling nozzle, so that the limited range is greatly reduced.
Description
Technical field
The present invention relates to metallurgical equipment maintenance, high pressure nozzle technical field, particularly a kind of descaling spray nozzle provision for disengagement.
Background technology
At present, in wide and heavy plate mill Rolling Production process, in each rolling pass, substantially all high-pressure water descaling process to be carried out to hot steel billet in advance.The pressure of water under high pressure is up to about 280 kilograms, and descaling spray nozzle apopore is smaller, and water under high pressure is easily around the iron rust in pipeline and accumulation of mud to descaling spray nozzle, and Long-Time Service easily blocks, and is difficult to dismounting.Need remove contamination to descaling spray nozzle dismounting during stop production to overhaul, otherwise the hitting dynamics of current reduces, and causes scale removal effect bad, has a strong impact on the surface quality of sheet material.Roughing mill and finishing mill are all provided with upper and lower two groups of descaling spray nozzles, and often group has the descaling spray nozzle of about 30.Traditional dismounting mode wastes time and energy, and general conventional hammer and flat chisel hammering descaling spray nozzle groove, taken out; Sometimes when operating space is less, hammering dynamics is not enough or cannot hammering, and descaling spray nozzle cannot take out at all; Sometimes also because hammer force is spent greatly, the descaling spray nozzle that hammering goes out is fallen into trench cannot be given for change, causes waste.
For upper technical deficiency, develop in the industry multiple descaling spray nozzle provision for disengagement, the instrument of pulling out is helped as the patent No. Chinese patent that is CN202592317 discloses a kind of descaling spray nozzle, it comprises handle and connecting rod, handle can be enclosed within connecting rod along rod slide is air-ground, and the handle attachment end of connecting rod is provided with step-like locking column cap, and handle can be stoped to come off, the other end and the descaling spray nozzle of connecting rod help and pull out dop and be threaded, and described descaling spray nozzle helps and pulls out dop nut and pin.Described descaling spray nozzle helps and pulls out dop and be formed with step-like first bayonet socket of arc section shape and step-like second bayonet socket of arc section shape, and step-like first bayonet socket of described arc section shape is used for entangling nozzle groove.Descaling spray nozzle of the present invention help pull out specific purpose tool adopt stainless steel material make not easily get rusty, hold sense well, pulling force by force, not easily defective nozzle, can not drop nozzle, design is light and handy, easy to use, firm and durable, be that the system nozzle that sprays water with high pressure safeguards optimal instrument.
In addition, the patent No. be the Chinese patent of CN204076164 disclose a kind of improvement high-pressure descaling nozzle dismounting draw hammer, comprise the pull bar that pull handle is equipped with in its lower end, pull bar upper end level is equipped with fixture Connection Block, fixture Connection Block both sides are an articulated semicircular clamp respectively, nozzle head is stepped up in the upper end of semicircular clamp, and the lower end of semicircular clamp contacts with a tensioner nut upper end outer rim, and tensioner nut is threaded connection and is sleeved on pull bar.
Analyze or test and show, above-mentioned descaling spray nozzle helps the instrument of pulling out when dismantling use, and descaling spray nozzle is installed insecure, easily deviates from impact shock drawing unloading process, handling safety poor reliability.Hammer is drawn in descaling spray nozzle dismounting as above-mentioned improvement, and grip device length is long, and narrow space trip hammer moves up and down insufficient space, is difficult to carry out disassembling section.In existing Heavy Plate Rolling Line, in the middle of every two descaling spray nozzles, gusset protective device is all housed, the withdrawal space is narrow and small, sometimes dismantles axis of movement and slightly will tilt with descaling spray nozzle axis and just can complete.And the axis of above-mentioned two kinds of technical schemes is all changeless all the time, the object of dismounting sometimes cannot be completed.
Summary of the invention
The object of the present invention is to provide a kind of descaling spray nozzle provision for disengagement, to solve the not easily detachable problem of descaling spray nozzle that prior art exists.
In order to solve the problem, the invention provides following technical scheme:
A kind of descaling spray nozzle provision for disengagement, it comprises: joint, and in block, side is provided with gap, and the sidewall of described gap is provided with for the location structure nested with nozzle outer surface structure; Latch-up structure, is located on described joint, after embedding described gap at nozzle, locks described nozzle, prevents nozzle from coming off; Connecting rod, upper end thereof is in the bottom of described joint; Movable hammer, in block, be provided with through hole, described through hole is run through in the bottom of described connecting rod, and is matched in clearance between described through hole and described connecting rod, is convenient to described activity hammer along described rod slide; Disconnecting prevention structure, is located at the lower end of described connecting rod, comes off from described connecting rod for stoping described activity hammer.
Preferably, the sidewall of described gap is provided with arc groove, to embed the circular step on nozzle.
Preferably, described latch-up structure comprises: screw, is obliquely installed in described gap bottom surface, and is through to described joint lower side; Screw, is located in described screw, for being screwed into described screw from the lower side of described joint, and supports on nozzle, with by nozzle lock in described gap.
Preferably, the lower end of described connecting rod is provided with screw thread, and described disconnecting prevention structure comprises nut, and described nut is connected on the screw thread of described connecting rod lower end.
Preferably, the axis of described screw and the angle of described gap bottom surface are 45 °.
Preferably, the described joint lower side that described screw runs through is clinoplain, and the angle of the axis of described clinoplain and described screw is 90 °.
Preferably, the upper end of described connecting rod is flat, and the bottom of described joint is provided with through slot, and the upper end of described connecting rod is inserted in described through slot, one bearing pin, through the two side of described through slot and the upper end of described connecting rod, realizes the bottom that described small end is articulated with described joint.
Preferably, described screw is circular cone screw, and hand-tight portion is provided with cross knurled, and head is cone shape.
Preferably, described activity hammer is in short cylindrical block structure, and described activity hammer sidewall is provided with handgrip, and convenient operation person grips.
Preferably, the sidewall of described activity hammer is the wavy shaped configuration extended along described activity hammer length direction, to form described handgrip.
Analyze known, the invention provides a kind of descaling spray nozzle provision for disengagement of improvement, its structure is simple, and during hammering dismounting, descaling spray nozzle clamps firm difficult drop-off.When disassembling section narrow space, dismounting axis of movement to have tilted dismounting slightly with descaling spray nozzle axis, and limited range reduces greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is main TV structure (along A-A line broken section in Fig. 4) schematic diagram of the joint of the embodiment of the present invention;
Fig. 3 is the right TV structure schematic diagram of the joint of the embodiment of the present invention;
Fig. 4 is the plan structure schematic diagram of the joint of the embodiment of the present invention;
Fig. 5 is the structural representation of the screw of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the embodiment of the present invention comprises joint 2, screw 3 as latch-up structure, connecting rod 5, movable hammer 6, nut 7 as disconnecting prevention structure.In order to structure and the application thereof of the embodiment of the present invention are clearly described, Fig. 1 also show the descaling spray nozzle 1 of dismantling on it after hold-down nut.This nozzle 1 end 13 is in flat column, but the position of next-door neighbour end 13 is two parallel circular step 11, circular steps 12 separated.
As Figure 1-Figure 4, joint 2 is in irregular block structure, and in the drawings, its upper left-hand is semicircular sidewall 21 (as shown in Figure 4), and right side is gap 20.Sidewall 21 is provided with for the location structure nested with nozzle 1 outer surface structure.Outer surface structure due to nozzle 1 is two circular steps 11,12, therefore, the present embodiment location structure comprise on sidewall 21 arrange arc groove 211 and arc groove 211 above location edge 212, wherein, location edge 212 embeds between circular step 11 on nozzle 1 and circular step 12, and circular step 12 embeds in arc groove 211.
In other embodiments, when the outer surface structure of nozzle 1 changes, the location structure on sidewall 21 is changed accordingly.
Screw 22 is located on joint 2, and after nozzle 1 embeds gap 20, the side, end 13 at nozzle 1 supported by screw 3, and locking nozzle 1, prevents nozzle 1 from coming off.Specifically, screw 22 is obliquely installed side relative with sidewall 21 on gap 20 bottom surface, and is through to the lower side 23 of joint 2.Screw 3 is located in screw 22, after being screwed into screw 22, supporting on nozzle 1, thus is locked in gap 20 by nozzle 1 from the lower side 23 of joint 2.
Connecting rod 5 upper end thereof, in the bottom 24 of joint 1, is convenient to connecting rod 5 and can be tilted certain angle.
Movable hammer 6 is block, for providing impulsive force.Which is provided with through hole 60, through hole 60 is run through in the bottom of connecting rod 5, and is matched in clearance between through hole 60 and connecting rod 5, is convenient to movable hammer 6 and slides along connecting rod 5.
The disconnecting prevention structure of the present embodiment is nut 7, can certainly be a bearing pin etc., prevents movable hammer 6 from coming off from connecting rod 5.Nut 7 is located at the lower end of connecting rod 5, is greater than the aperture of through hole 60, comes off from connecting rod 5 for stoping movable hammer 6.Correspondingly, in order to attaching nut 7, the lower end of connecting rod 5 is provided with screw thread (not shown), and namely nut 7 is connected on the screw thread of connecting rod 5 lower end.When dismantling the nozzle 1 of Jet with downward flow direction, movable hammer 6 is along the downward firmly hammering nut 7 of connecting rod 5, and hammering direction is consistent with the injection direction of nozzle 1.
Preferably, the axis of screw 22 and the angle of gap 20 bottom surface are 45 °.Joint 2 lower side that screw 22 runs through 23 is clinoplain, and the angle of the axis of itself and screw 22 is 90 °, and also namely it is 45 ° with the angle of horizontal plane in Fig. 2, and this angle that clinoplain is arranged, when machined screw 22, conveniently to be holed, tapping.
Preferably, the upper end of connecting rod 5 is flat, and is provided with through hole.As Fig. 3, the bottom 24 of joint 1 is provided with through slot 241, and the upper end of connecting rod 5 is inserted in through slot 241.For another example Fig. 1, the through hole that a bearing pin 4 is arranged through the through hole 240 on the two side of through slot 241 and connecting rod 5 upper end, realizes connecting rod 5 upper end thereof in the bottom 24 of joint 2.
As Fig. 5, screw 3 is circular cone screw, and hand-tight portion 31 is provided with cross knurled, is convenient to hand-tight screw 3; Head is cone shape, is convenient to lock nozzle 1 bottom 13.
For the ease of operant activity hammer 6, movable hammer 6 is in short cylindrical block structure, and movable hammer 6 sidewalls are provided with handgrip 61.Further, the sidewall of movable hammer 6 is the wavy shaped configuration hammering 6 length directions extensions along activity into shape.Handgrip 61 shown in Fig. 1 also can be referred to as two saddle structure.
In the present embodiment, nut 7, bearing pin 4 preferably use standard component, and remaining part is preferably No. 45 steel, modifier treatment.
After during the present embodiment dismounting descaling spray nozzle 1, first the hold-down nut of nozzle 1 being pulled down, joint 2 is nested with nozzle 1, assembling, screw 3 is screwed into from screw 22, be locked nozzle.Movable hammer 6 is along connecting rod 5 hammering downwards, and operation according to the needs in space, can vertically or slightly favour the axis of nozzle 1.Whole unloading process, can not damage nozzle 1, also can not fall into trench.
To sum up, when the prior art that less or nozzle can not vertically cause in the withdrawal space cannot be applied, the present invention can complete nozzle removal object, and limited range reduces greatly, and time saving and energy saving, saves maintenance manpower cost.In addition, structure of the present invention is simple, and during hammering dismounting, nozzle clamping firmly.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. a descaling spray nozzle provision for disengagement, is characterized in that, comprising:
Joint, in block, side is provided with gap, and the sidewall of described gap is provided with for the location structure nested with nozzle outer surface structure;
Latch-up structure, is located on described joint, after embedding described gap at nozzle, locks described nozzle, prevents nozzle from coming off;
Connecting rod, upper end thereof is in the bottom of described joint;
Movable hammer, in block, be provided with through hole, described through hole is run through in the bottom of described connecting rod, and is matched in clearance between described through hole and described connecting rod, is convenient to described activity hammer along described rod slide;
Disconnecting prevention structure, is located at the lower end of described connecting rod, comes off from described connecting rod for stoping described activity hammer.
2. descaling spray nozzle provision for disengagement according to claim 1, is characterized in that, the sidewall of described gap is provided with arc groove, to embed the circular step on nozzle.
3. descaling spray nozzle provision for disengagement according to claim 1, is characterized in that, described latch-up structure comprises:
Screw, is obliquely installed in described gap bottom surface, and is through to described joint lower side;
Screw, is located in described screw, for being screwed into described screw from the lower side of described joint, and supports on nozzle, with by nozzle lock in described gap.
4. descaling spray nozzle provision for disengagement according to claim 1, is characterized in that, the lower end of described connecting rod is provided with screw thread, and described disconnecting prevention structure comprises nut, and described nut is connected on the screw thread of described connecting rod lower end.
5. descaling spray nozzle provision for disengagement according to claim 3, is characterized in that, the axis of described screw and the angle of described gap bottom surface are 45 °.
6. descaling spray nozzle provision for disengagement according to claim 3, is characterized in that, the described joint lower side that described screw runs through is clinoplain, and the angle of the axis of described clinoplain and described screw is 90 °.
7. descaling spray nozzle provision for disengagement according to claim 1, it is characterized in that, the upper end of described connecting rod is flat, the bottom of described joint is provided with through slot, the upper end of described connecting rod is inserted in described through slot, one bearing pin, through the two side of described through slot and the upper end of described connecting rod, realizes the bottom that described small end is articulated with described joint.
8. descaling spray nozzle provision for disengagement according to claim 3, is characterized in that, described screw is circular cone screw, and hand-tight portion is provided with cross knurled, and head is cone shape.
9. according to the arbitrary described descaling spray nozzle provision for disengagement of claim 1-8, it is characterized in that, described activity hammer is in short cylindrical block structure, and described activity hammer sidewall is provided with handgrip, and convenient operation person grips.
10. descaling spray nozzle provision for disengagement according to claim 9, is characterized in that, the sidewall of described activity hammer is the wavy shaped configuration extended along described activity hammer length direction, to form described handgrip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969744.9A CN105415276B (en) | 2015-12-21 | 2015-12-21 | Descaling spray nozzle provision for disengagement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969744.9A CN105415276B (en) | 2015-12-21 | 2015-12-21 | Descaling spray nozzle provision for disengagement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415276A true CN105415276A (en) | 2016-03-23 |
| CN105415276B CN105415276B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510969744.9A Active CN105415276B (en) | 2015-12-21 | 2015-12-21 | Descaling spray nozzle provision for disengagement |
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| CN (1) | CN105415276B (en) |
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|---|---|---|---|---|
| US4866801A (en) * | 1988-11-14 | 1989-09-19 | Lamar John W | Sprinkler riser extractor tool |
| DE20210759U1 (en) * | 2002-07-17 | 2002-11-07 | Weitner Karl Heinz | Device for pulling injection nozzles |
| EP1491273A1 (en) * | 2003-06-25 | 2004-12-29 | Modellbau Friedrich Seibertz GmbH | Tool for removing slot venting nozzles and process for extracting them from flasks, dies, moulds |
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| CN202336839U (en) * | 2011-09-23 | 2012-07-18 | 鞍山钢铁集团公司 | Special tool for detaching high-pressure water phosphorus removal nozzle |
| CN202399202U (en) * | 2011-12-06 | 2012-08-29 | 四川什邡东润制造有限公司 | Disassembling tool special for high pressure nozzle |
| CN202592317U (en) * | 2012-03-27 | 2012-12-12 | 宝山钢铁股份有限公司 | High-pressure water dephosphorization nozzle pulling-assisted tool |
| CN204076164U (en) * | 2014-08-06 | 2015-01-07 | 新疆八一钢铁股份有限公司 | The high pressure dephosphorization nozzle removal improved draws hammer |
| CN204076165U (en) * | 2014-08-06 | 2015-01-07 | 新疆八一钢铁股份有限公司 | The special wrench for dismounting of high-pressure descaling nozzle |
| CN204235485U (en) * | 2014-10-28 | 2015-04-01 | 江阴兴澄特种钢铁有限公司 | The dissection type drawing device of high-pressure descaling nozzle |
| CN204339687U (en) * | 2014-09-30 | 2015-05-20 | 宝钢不锈钢有限公司 | A kind of provision for disengagement of high pressure nozzle |
| CN205254897U (en) * | 2015-12-21 | 2016-05-25 | 山东钢铁股份有限公司 | Water under high pressure descaling nozzle dismounting device |
-
2015
- 2015-12-21 CN CN201510969744.9A patent/CN105415276B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866801A (en) * | 1988-11-14 | 1989-09-19 | Lamar John W | Sprinkler riser extractor tool |
| DE20210759U1 (en) * | 2002-07-17 | 2002-11-07 | Weitner Karl Heinz | Device for pulling injection nozzles |
| EP1491273A1 (en) * | 2003-06-25 | 2004-12-29 | Modellbau Friedrich Seibertz GmbH | Tool for removing slot venting nozzles and process for extracting them from flasks, dies, moulds |
| CN201143657Y (en) * | 2008-01-14 | 2008-11-05 | 宝山钢铁股份有限公司 | Nozzle extracting tool of device for descaling with high-pressure water |
| CN202336839U (en) * | 2011-09-23 | 2012-07-18 | 鞍山钢铁集团公司 | Special tool for detaching high-pressure water phosphorus removal nozzle |
| CN202399202U (en) * | 2011-12-06 | 2012-08-29 | 四川什邡东润制造有限公司 | Disassembling tool special for high pressure nozzle |
| CN202592317U (en) * | 2012-03-27 | 2012-12-12 | 宝山钢铁股份有限公司 | High-pressure water dephosphorization nozzle pulling-assisted tool |
| CN204076164U (en) * | 2014-08-06 | 2015-01-07 | 新疆八一钢铁股份有限公司 | The high pressure dephosphorization nozzle removal improved draws hammer |
| CN204076165U (en) * | 2014-08-06 | 2015-01-07 | 新疆八一钢铁股份有限公司 | The special wrench for dismounting of high-pressure descaling nozzle |
| CN204339687U (en) * | 2014-09-30 | 2015-05-20 | 宝钢不锈钢有限公司 | A kind of provision for disengagement of high pressure nozzle |
| CN204235485U (en) * | 2014-10-28 | 2015-04-01 | 江阴兴澄特种钢铁有限公司 | The dissection type drawing device of high-pressure descaling nozzle |
| CN205254897U (en) * | 2015-12-21 | 2016-05-25 | 山东钢铁股份有限公司 | Water under high pressure descaling nozzle dismounting device |
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| CN105415276B (en) | 2018-04-10 |
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