CN105081444A - Shearing device convenient to repair in long distance - Google Patents
Shearing device convenient to repair in long distance Download PDFInfo
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- CN105081444A CN105081444A CN201510446074.2A CN201510446074A CN105081444A CN 105081444 A CN105081444 A CN 105081444A CN 201510446074 A CN201510446074 A CN 201510446074A CN 105081444 A CN105081444 A CN 105081444A
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Abstract
The invention relates to a shearing device convenient to repair in a long distance. The shearing device consists of three repair modules, a fixed part and a table plane, wherein the fixed part consists of a bottom plate, discharge openings, positioning pins, pressing plates, and cone point screws, wherein the discharge opening and the positioning pins are fixed in/on the bottom plate; the bottom plate is fixed on the table plane through the pressing plates and the cone point screws; the discharge opening can be connected with a subsequent material receiving device; the three repair modules are respectively a driving module, a cutter module and a shearing chamber module, and are divided according to different repair frequencies of components and parts; the three repair modules can be independently mounted or demounted, and can also be together mounted or demounted, so that the phenomenon that because consumables or parts which are liable to be damaged need to be frequently repaired, the whole equipment needs to be hoisted away to repair every time is avoided. According to the shearing device disclosed by the invention, through the modular design, the repair efficiency is improved; the structure is convenient for long-distance repair, and is simple and reliable.
Description
Technical field
The invention belongs to a kind of small shearing cutting apparatus being convenient to remote overhauling.Be mainly used in the task of the single spent fuel element section of cutting into.
Background technology
In nuclear chemical industry field, be carry out in the case indoor of sealing to processes such as the production of radioactive substance and process usually.Due to case indoor material or equipment belt is toxic or radioactivity, therefore personnel directly cannot carry out the inspection operation such as dismounting, replacing to the equipment of case indoor, can only carry out remote overhauling by remote-controlled operation instrument (as crane, manipulator, specific purpose tool etc.) to equipment.Because the distance, scope, means, the free degree and flexibility etc. of operation are all subject to great restriction, thus bring great difficulty to service work, even cannot overhaul.This just requires the equipment of case indoor to meet to be convenient to the design principle of remote directly or indirectly maintenance, require allly in-service to need to adjust, the parts of dismounting or replacing all can and be convenient to carry out direct or indirect remote overhauling (the present invention is referred to as to " adjustment ", " lifting ", " dismounting " and " replacing " of parts " maintenance "), and conventional equipment does not meet above-mentioned requirements.
Summary of the invention
The object of the invention is to, propose a kind of shear being convenient to remote overhauling.This device has been used for the task of single spent fuel element (or having the material of elongate rod shape) being cut into designated length section, require this device to possess to meet that the flexibility of various maintenance intensity needs (namely both can the arbitrary module of dismounting separately, also multiple module can be combined integral disassembly, assembly), and possess the feature being convenient to remote overhauling operation.
For reaching above object, the invention provides following technical scheme:
The present invention is designed by modularized design, fast assembling disassembling structure and is specially adapted for remote operated partial structurtes optimal design etc. and carries out innovative design to structure, is convenient to remote overhauling to make this device.
The invention provides a kind of shear being convenient to remote overhauling, described shear is made up of three maintenance module, standing part and table tops;
Wherein, described standing part is made up of base plate, blanking port, alignment pin, pressing plate and cone-head screw thereof, blanking port and alignment pin are fixed on base plate, and base plate is fixed on described table top by pressing plate and cone-head screw thereof again, and blanking port is connected with follow-up material-receiving device;
Wherein, three maintenance modules are respectively driver module, cutter hub module and fluid shear chamber module.
Further, be convenient to the shear of remote overhauling as above, between three maintenance modules and separately and between base plate to be connected and fixed relation as follows:
1) driver module is fixed on base plate by the long-neck cone-head screw of its correspondence, and realizes it by the alignment pin of its correspondence and accurately locate;
2) cutter hub module is also fixed on base plate by long-neck cone-head screw, and realizes it by the alignment pin of its correspondence and accurately locate;
3) fluid shear chamber module is horizontally fixed in cutter hub module on casing by cone-head screw, and its lower surface is contacted with plate upper surface and docked with the blanking port be arranged on base plate by static seal;
4) driver module and cutter hub module are achieved a butt joint by draw-in groove and knife bar connector, thus are the axially-movable transmission power of knife bar.
Further, be convenient to the shear of remote overhauling as above, described driver module comprises linear actuator, boot body, shaft coupling, long-neck cone-head screw and suspension ring; Wherein, linear actuator be fixed on boot body tail end by cone-head screw flange on and output shaft forward; The afterbody of shaft coupling be fixed on the output shaft end of linear actuator vertically and head forward, its head draw-in groove is a T-shaped groove; Long-neck cone-head screw passes vertically through the screwed hole of boot body both sides, and it can freely up and down move within a certain height in above-mentioned screwed hole; Suspension ring are fixed on boot body top, and its fixed position is directly over driver module center of gravity, so that attitude when keeping installation when lifting by crane.
Further, be convenient to the shear of remote overhauling as above, described cutter hub module comprise cutter hub, block and cone-head screw thereof, suspension ring, bearing unit, middle casing and and knife bar between movable sealing and and the static seal sheared between casing; Wherein, cutter hub is made up of knife bar, cutter holder, cutter head, briquetting and cone-head screw thereof; Bearing unit is fixed in middle casing vertically, thus provides support for knife bar and locate, and knife bar can move forward and backward vertically in bearing unit under the drive of linear actuator, thus realizes shear action and the tool backlash movement of cutter head; The connector of knife bar afterbody is mushroom, realizes cutter hub and linear actuator being connected and fixed in axis in its draw-in groove that vertically can insert shaft coupling; The cutter holder of knife rod head has the groove for clamping cutter head, thus coordinate briquetting and cone-head screw thereof cutter head to be fixed on cutter holder front end; Block is L shape, block while be fixed on cutter holder front end face on be called fixed edge, the material inlet that another side vertically faces charging aperture is called backgauge limit, the distance of backgauge limit and material inlet end face is the sheared length of material, by along feedstock direction adjusting the distance of block backgauge back gauge material inlet end face to adjust sheared length; Suspension ring are fixed on middle casing top, and its fixed position is combined directly over center of gravity with fluid shear chamber module in cutter hub module, to keep attitude when installing when lifting by crane.
Further, be convenient to the shear of remote overhauling as above, described fluid shear chamber module comprise shear casing and and base plate between static seal, suspension ring, end cap and cone-head screw thereof, charging aperture and cone-head screw thereof and itself and the static seal sheared between casing; The front end face shearing casing has manhole, at ordinary times by end cap shutoff; The afterbody shearing casing is enclosed within the anterior external cylindrical surface with matching of middle casing; Cone-head screw is successively through end cap, shearing casing, and end cap and shearing casing are pressed on the front end face of middle casing the most at last; Suspension ring are fixed on shears casing top, and its fixed position is directly over fluid shear chamber module center of gravity, so that attitude when keeping installation when lifting by crane.
Further, be convenient to the shear of remote overhauling as above, the fluid shear chamber of described fluid shear chamber module is enclosed by the front end face shearing interior, end cap inner surface and knife bar and forms, leak to prevent radioactive dust, at shearing casing and middle casing, shear casing and end cap, shear and adopt static seal structure between casing and blanking port, and between knife bar and middle casing movable sealing structure.
Further, be convenient to the shear of remote overhauling as above, between described driver module with cutter hub module, there is fast assembling disassembling structure: on the connector that the docking of above-mentioned two modules is the draw-in groove of shaft coupling to be vertically enclosed within knife bar tail end or connector is inserted in draw-in groove; Described middle casing two sides of tail is with guide plate, and both sides, boot body leading section are with gathering sill, and the docking operation of guide plate and gathering sill is easy to the docking operation of connector and draw-in groove, and occur prior to the docking operation of connector and draw-in groove.
Further, be convenient to the shear of remote overhauling as above, described long-neck cone-head screw is followed successively by the stock of neck, the thin bar being less than screw internal diameter and the screw rod coordinated with screw in head of screw bottom; The flange of boot body and middle casing both sides has the combination bore that screwed hole and unthreaded hole form, screwed hole upper, unthreaded hole under.
Further, be convenient to the shear of remote overhauling as above, described linear actuator adopts hydraulic cylinder, linear electric motors or feed screw nut's system, and it adopts to be threaded or to sell with the connected mode of shaft coupling and is connected.
Further, be convenient to the shear of remote overhauling as above, described bearing unit adopts the rolling linear guide bearing that is made up of needle roller, interior guide rail and outer guide or adopts sliding straight guide rail bearing.
The invention has the beneficial effects as follows:
1) modularized design, improve overhaul efficiency: this shear is divided into three maintenance modules by the difference of the present invention's repair rate needed for each parts, can dismounting separately (as maintenance linear actuator, changing cutter head etc.) or adjustment (as adjustment sheared length etc.) for the higher module of repair rate, also can overhaul by integral disassembly, assembly, can avoid like this because unit needs frequent maintenance and all need whole equipment to hang away maintenance at every turn, thus improving overhaul efficiency.
2) structure is convenient to remote overhauling operation: the innovate and optimize of the fast assembling disassembling structure that the present invention proposes and partial structurtes, can provide great facility for utilizing manipulator etc. to carry out remote overhauling operation.
3) structure is simple and direct, reliable: in order to improve the reliability of device, the present invention adopts and simple and direct structure, avoid all may affect the negative superfluous structure of reliability, to reduce fault rate, reduce operating personnel and accept too much radioactive dosage because of frequent inspection operation.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram.
Fig. 2 is side structure schematic diagram.
Fig. 3 is planar structure schematic diagram.
Fig. 4 is that structural representation is partly cutd open in side.
Fig. 5 is front biopsy cavity marker devices structural representation.
Fig. 6 is plane biopsy cavity marker devices structural representation.
Fig. 7 is cutter head clamping and stop location adjust structure schematic diagram.
Wherein, 1---grappling fixture, 2---charging aperture, 3---base plate, 4---pressing plate, 5---table top, 6---blanking port, 7---linear actuator, 8---long-neck cone-head screw, 9---boot body, 10---alignment pin, 11---middle casing, 12---shear casing, 13---suspension ring, 14---end cap, 15---cone-head screw, 16---connector, 17---draw-in groove, 18---gathering sill, 19---guide plate, 20---shaft coupling, 21---check ring, 22---baffle ring, 23---gland, 24---knife bar, 25---movable sealing, 26---static seal, 27---briquetting, 28---cutter head, 29---interior guide rail, 30---needle roller, 31---outer guide, 32---cutter holder, 33---block, 34---element.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention is made up of three maintenance module, standing part and table tops 5.
Wherein, standing part is made up of base plate 3, blanking port 6, alignment pin 10, pressing plate 4 and cone-head screw thereof, and blanking port 6 and alignment pin 10 are fixed on base plate 3, and base plate 3 is fixed on table top 5 by pressing plate 4 and cone-head screw thereof again.
Wherein, three maintenance modules are respectively driver module, cutter hub module and fluid shear chamber module.
Between three maintenance modules and separately and between base plate 3 to be connected and fixed relation as follows:
1) driver module is fixed on base plate 3 by the long-neck cone-head screw 8 of its correspondence, and realizes it by the alignment pin 10 of its correspondence and accurately locate.
2) cutter hub module is also fixed on base plate 3 by long-neck cone-head screw 8, and realizes it by alignment pin 10 and accurately locate.
3) fluid shear chamber module is fixed on the middle casing 11 of cutter hub module by cone-head screw 15 level (from front to back), and its lower surface is contacted with base plate 3 upper surface and docked with the blanking port 6 be arranged on base plate 3 by static seal 26.
4) driver module and cutter hub module are achieved a butt joint by draw-in groove 17 and knife bar connector 16, thus are the axially-movable transmission power of knife bar 24.
Three maintenance modules structure separately forms and inside is connected and fixed relation as shown in Figure 3, Figure 4:
1) driver module: be made up of linear actuator 7, boot body 9, shaft coupling 20, long-neck cone-head screw 8 and suspension ring 1.Wherein, linear actuator be fixed on boot body tail end by cone-head screw flange on and output shaft forward; The afterbody of shaft coupling 20 vertically (fore-and-aft direction) be fixed on the output shaft end of linear actuator 7 and head forward, its head draw-in groove 17 is a "T"-shaped groove; Long-neck cone-head screw 8 passes vertically through the screwed hole of boot body 9 both sides, and it can freely up and down move within a certain height in above-mentioned screwed hole; Suspension ring 1 are fixed on boot body 9 top, and its fixed position is directly over driver module center of gravity, so that attitude when keeping installation when lifting by crane.
2) cutter hub module: by cutter hub, block 33 and cone-head screw thereof, suspension ring 1, bearing unit, middle casing 11 and and knife bar 24 between movable sealing 25 and and the static seal 26 sheared between casing form.Wherein, cutter hub is made up of knife bar 24, cutter holder 32, cutter head 28, briquetting 27 and cone-head screw thereof.Bearing unit is fixed in middle casing 11 vertically, thus provides support for knife bar 24 and locate, and knife bar 24 can move forward and backward vertically in bearing unit under the drive of linear actuator 7, thus realizes shear action and the tool backlash movement of cutter head; The connector 16 of knife bar 24 afterbody is " mushroom " shape, realizes cutter hub and linear actuator 7 being connected and fixed in axis in its draw-in groove 17 that vertically can insert shaft coupling 20; The cutter holder 32 of knife bar 24 head has the groove for clamping cutter head 28, thus coordinate briquetting 27 and cone-head screw thereof that cutter head 28 is fixed on cutter holder 32 front end; Block 33 is " L " shape, " L " while be fixed on the front end face of cutter holder 32 and (be called " fixed edge "), another side vertically faces the material inlet (being called on " backgauge limit ") of charging aperture 2, the distance of backgauge limit and material inlet end face is the sheared length of material, by along feedstock direction adjusting the distance of block backgauge back gauge material inlet end face to adjust sheared length; Suspension ring 1 are fixed on middle casing 11 top, and its fixed position is combined directly over center of gravity with fluid shear chamber module in cutter hub module, to keep attitude when installing when lifting by crane.
3) fluid shear chamber module: by shear casing 12 and and base plate 3 between static seal 26, suspension ring 1, end cap 14 and cone-head screw 15 thereof, charging aperture 2 and cone-head screw thereof and itself and the static seal 26 sheared between casing 12 form.The front end face shearing casing 12 has manhole, at ordinary times by end cap 14 shutoff; The afterbody shearing casing 12 is enclosed within the anterior external cylindrical surface with matching of middle casing 11; Cone-head screw 15 is successively through end cap 14, shearing casing 12, and end cap 14 and shearing casing 12 are pressed on the front end face of middle casing 11 the most at last; Suspension ring 1 are fixed on shears casing 12 top, and its fixed position is directly over fluid shear chamber module center of gravity, so that attitude when keeping installation when lifting by crane.
Remote operated fast assembling disassembling structure is convenient in the present invention's proposition and local optimum structure is as follows:
1) fast assembling disassembling structure between driver module and cutter hub module, as shown in Figure 3: the docking of above-mentioned two modules is the draw-in groove 17 of shaft coupling 20 to be vertically enclosed within (or being inserted by connector 16 in draw-in groove 17) on the connector 16 of knife bar 24 tail end.Hypothesis driven module has been fixed on base plate 3, due in the process that falls in cutter hub module, connector 16 occurs prior to the docking operation of the 11 liang of side flange perforates of middle casing and alignment pin 10 (with the conical surface that leads) with the docking operation of draw-in groove 17, in order to make connector 16 smoothly convenient with the docking operation of draw-in groove 17, the present invention proposes cleverly " pre-directing " structure.It is characterized in that, middle casing 11 two sides of tail is with guide plate 19, both sides, boot body leading section are with gathering sill 18, and guide plate 19 is easy to the docking operation of connector 16 and draw-in groove 17 with the docking operation of gathering sill 18, and occur prior to the docking operation of connector 16 with draw-in groove 17.
2) cone-head screw: all trip bolts of the present invention are all adopted as head is with the nonstandard screw (the present invention is called " cone-head screw ") of tapered guide surface, so that " hexagon " face by easily entangling screw when the remote-controlled operation tool operation spanners such as manipulator or electric socket wrench.
3) long-neck anticreep cone-head screw: the present invention for boot body 9 and middle casing 11 cone-head screw be vertically fixed on base plate 3 are improved to long-neck anticreep cone-head screw, as shown in Figure 5.Its feature is, except there is head of screw feature that above-mentioned cone-head screw has, and the stock being followed successively by neck in head of screw bottom, the thin bar being less than screw internal diameter and the screw rod coordinated with screw.The flange of boot body 9 and middle casing 11 both sides has the combination bore that screwed hole and unthreaded hole form, screwed hole upper, unthreaded hole under.The long rod structure of neck is intended to not easily to observe at a distance and the head of screw not easily touched held each casing upper surface high, to be easy to remote-controlled operation; The structure of combination bore is intended to this cone-head screw when screw rod is back-outed from the screwed hole of base plate 3 and can not departs from the flange of casing both sides, so that screw and the rapid abutting joint of screw when installing, because casing has accurately been arranged on base plate 3 prior to screw, therefore be directly rotated down screw, screw can be screwed into screw smoothly.
Other embodiments:
1) linear actuator 7: hydraulic cylinder, linear electric motors or feed screw nut's system etc. can be adopted, it can adopt with the connected mode of shaft coupling 20 and be threaded, sells the connected mode being connected etc. and transmitting axial force;
2) bearing: the rolling linear guide bearing be made up of needle roller 30, interior guide rail 29 and outer guide 31 as shown in Figure 4, Figure 5 can be adopted, also can adopt sliding straight guide rail bearing etc.
Shearing manipulation process of the present invention is as follows:
1) original state: knife bar 24 is in retracted state (as shown in Figure 6), and cutter head 28 does not block charging aperture 2.
2) element 34 is inserted charging aperture 2, till cannot continuing to insert, now element 34 end is pushed up on block 33.
3) drive linear actuator to be pushed away forward by knife bar 24, cutter head 28 shearing elements 34, element 34 exposes cut and blanking port 6 landing from below of the part of charging aperture 2 to its collector unit.
3) drive linear actuator to regain after knife bar 24, now complete a shearing manipulation.Cycling like this can complete the shearing manipulation to whole element.
Remote overhauling operating process of the present invention is as follows:
1) adjust sheared length: as shown in Figure 6, backed out by cone-head screw 15 and---take off end cap 14 and---cone-head screw of fixed stop 33 is unclamped (but not screwing down)---adjustment block 33 " backgauge limit " to the horizontal range of charging aperture 33 end face---is tightened the cone-head screw of block 33---and covered end cap 14 and inserted by cone-head screw 15 and tightens.
2) cutter head is changed: as shown in Figure 7, cone-head screw 15 is backed out, now shear casing 12 throw off with middle casing 11 but still be enclosed within middle casing 11---shearing casing is extracted out forward, and utilize the crane in hot cell or manipulator to be hung away---cone-head screw on briquetting 27 to be unclamped (but not screwing down)---taking off cutter head 28 and change new cutter head---being tightened by the cone-head screw on briquetting 27---utilizes the crane in hot cell or manipulator to winch on base plate 3 by shearing casing, in aligning, casing 11 front portion pushes until the end face of two tanks contacts---and cone-head screw 15 is inserted and tightens.
3) overhaul cutter hub module: in order to easy to operate, cutter hub module and shear module together need be transported to maintenance station and overhaul by maintenance cutter hub module.Dismounting: utilize Robot actions electric wrench to be turned on by long-neck cone-head screw 8---utilize cell crane catch on suspension ring 1 cutter hub module is sling together with shear module and be transported to maintenance station overhaul.Install: utilize cell crane to catch on suspension ring 1 and winch to above table top 5 by cutter hub module together with shear module---being fallen by guide plate 19 alignment guide groove 18---to occur to continue to fall after " pre-directing " acts on when gathering sill 18 and guide plate 19, connector 16 inserts draw-in groove 17 smoothly subsequently, pin-and-hole on middle casing 11 liang of side flanges entangles the alignment pin 10 of the tape guide conical surface of its correspondence, until fall completely---tighten long-neck cone-head screw 8.
4) overhaul driver module: with maintenance cutter hub module class seemingly, driver module need be winched to maintenance station thus linear actuator is overhauled.To the installation of driver module, location, dismounting and identical with the description in " overhauling cutter hub module " with the docking of cutter hub module.
5) overall maintenance: dismounting: the cone-head screw of base plate 3 liang of side guides 4 is unclamped (but not screwing down)---utilize cell crane to catch on suspension ring 1 and three modules are together sling together with base plate 3 and is transported to maintenance station and overhaul.Install: overhauled three modules are winched on table top 5 together with base plate 3---tighten cone-head screw and the pressing plate 4 of both sides is compressed base plate 3.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technology thereof to these amendments of the present invention and modification, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. be convenient to a shear for remote overhauling, it is characterized in that:
Described shear is made up of three maintenance module, standing part and table tops;
Wherein, described standing part is made up of base plate, blanking port, alignment pin, pressing plate and cone-head screw thereof, blanking port and alignment pin are fixed on base plate, and base plate is fixed on described table top by pressing plate and cone-head screw thereof again, and blanking port is connected with follow-up material-receiving device;
Wherein, three maintenance modules are respectively driver module, cutter hub module and fluid shear chamber module.
2. be convenient to the shear of remote overhauling as claimed in claim 1, it is characterized in that:
Between three maintenance modules and separately and between base plate to be connected and fixed relation as follows:
1) driver module is fixed on base plate by the long-neck cone-head screw (8) of its correspondence, and realizes it by the alignment pin of its correspondence and accurately locate;
2) cutter hub module is also fixed on base plate by long-neck cone-head screw (8), and realizes it by the alignment pin of its correspondence and accurately locate;
3) fluid shear chamber module is horizontally fixed on the middle casing of cutter hub module by cone-head screw (15), and its lower surface is contacted with plate upper surface and docked with the blanking port be arranged on base plate by static seal;
4) driver module and cutter hub module are achieved a butt joint by draw-in groove and knife bar connector, thus are the axially-movable transmission power of knife bar.
3. be convenient to the shear of remote overhauling as claimed in claim 1 or 2, it is characterized in that:
Described driver module comprises linear actuator, boot body, shaft coupling, long-neck cone-head screw and suspension ring; Wherein, linear actuator be fixed on boot body tail end by cone-head screw flange on and output shaft forward; The afterbody of shaft coupling be fixed on the output shaft end of linear actuator vertically and head forward, its head draw-in groove is a T-shaped groove; Long-neck cone-head screw passes vertically through the screwed hole of boot body both sides, and it can freely up and down move within a certain height in above-mentioned screwed hole; Suspension ring are fixed on boot body top, and its fixed position is directly over driver module center of gravity, so that attitude when keeping installation when lifting by crane.
4. be convenient to the shear of remote overhauling as claimed in claim 1 or 2, it is characterized in that:
Described cutter hub module comprise cutter hub, block and cone-head screw thereof, suspension ring, bearing unit, middle casing and and knife bar between movable sealing and and the static seal sheared between casing; Wherein, cutter hub is made up of knife bar, cutter holder, cutter head, briquetting and cone-head screw thereof; Bearing unit is fixed in middle casing vertically, thus provides support for knife bar and locate, and knife bar can move forward and backward vertically in bearing unit under the drive of linear actuator, thus realizes shear action and the tool backlash movement of cutter head; The connector of knife bar afterbody is mushroom, realizes cutter hub and linear actuator being connected and fixed in axis in its draw-in groove that vertically can insert shaft coupling; The cutter holder of knife rod head has the groove for clamping cutter head, thus coordinate briquetting and cone-head screw thereof cutter head to be fixed on cutter holder front end; Block is L shape, block while be fixed on cutter holder front end face on be called fixed edge, the material inlet that another side vertically faces charging aperture is called backgauge limit, the distance of backgauge limit and material inlet end face is the sheared length of material, by along feedstock direction adjusting the distance of block backgauge back gauge material inlet end face to adjust sheared length; Suspension ring are fixed on middle casing top, and its fixed position is combined directly over center of gravity with fluid shear chamber module in cutter hub module, to keep attitude when installing when lifting by crane.
5. be convenient to the shear of remote overhauling as claimed in claim 1 or 2, it is characterized in that:
Described fluid shear chamber module comprise shear casing and and base plate between static seal, suspension ring, end cap and cone-head screw thereof, charging aperture and cone-head screw thereof and itself and the static seal sheared between casing; The front end face shearing casing has manhole, at ordinary times by end cap shutoff; The afterbody shearing casing is enclosed within the anterior external cylindrical surface with matching of middle casing; Cone-head screw is successively through end cap, shearing casing, and end cap and shearing casing are pressed on the front end face of middle casing the most at last; Suspension ring are fixed on shears casing top, and its fixed position is directly over fluid shear chamber module center of gravity, so that attitude when keeping installation when lifting by crane.
6. be convenient to the shear of remote overhauling as claimed in claim 5, it is characterized in that:
The fluid shear chamber of described fluid shear chamber module is enclosed by the front end face shearing interior, end cap inner surface and knife bar and forms, leak to prevent radioactive dust, at shearing casing and middle casing, shear casing and end cap, shear and adopt static seal structure between casing and blanking port, and between knife bar and middle casing movable sealing structure.
7. be convenient to the shear of remote overhauling as claimed in claim 3, it is characterized in that:
Between described driver module with cutter hub module, there is fast assembling disassembling structure: on the connector that the docking of above-mentioned two modules is the draw-in groove of shaft coupling to be vertically enclosed within knife bar tail end or insert in draw-in groove by connector; Described middle casing two sides of tail is with guide plate, and both sides, boot body leading section are with gathering sill, and the docking operation of guide plate and gathering sill is easy to the docking operation of connector and draw-in groove, and occur prior to the docking operation of connector and draw-in groove.
8. be convenient to the shear of remote overhauling as claimed in claim 3, it is characterized in that:
Described long-neck cone-head screw is followed successively by the stock of neck, the thin bar being less than screw internal diameter and the screw rod coordinated with screw in head of screw bottom; The flange of boot body and middle casing both sides has the combination bore that screwed hole and unthreaded hole form, screwed hole upper, unthreaded hole under.
9. be convenient to the shear of remote overhauling as claimed in claim 3, it is characterized in that:
Described linear actuator adopts hydraulic cylinder, linear electric motors or feed screw nut's system, and it adopts to be threaded or to sell with the connected mode of shaft coupling and is connected.
10. be convenient to the shear of remote overhauling as claimed in claim 4, it is characterized in that:
Described bearing unit adopts the rolling linear guide bearing that is made up of needle roller, interior guide rail and outer guide or adopts sliding straight guide rail bearing.
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| CN201510446074.2A CN105081444B (en) | 2015-07-27 | 2015-07-27 | A kind of shear convenient for remote overhauling |
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| CN201510446074.2A CN105081444B (en) | 2015-07-27 | 2015-07-27 | A kind of shear convenient for remote overhauling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114833389A (en) * | 2022-06-29 | 2022-08-02 | 沧州中铁装备制造材料有限公司 | Spacing-adjustable cold-rolled steel coil slitting equipment |
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| CN114833389A (en) * | 2022-06-29 | 2022-08-02 | 沧州中铁装备制造材料有限公司 | Spacing-adjustable cold-rolled steel coil slitting equipment |
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| Publication number | Publication date |
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| CN105081444B (en) | 2019-05-28 |
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