CN203215159U - Quick coupling for floating pipe of cutter suction dredger - Google Patents
Quick coupling for floating pipe of cutter suction dredger Download PDFInfo
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- CN203215159U CN203215159U CN 201320147474 CN201320147474U CN203215159U CN 203215159 U CN203215159 U CN 203215159U CN 201320147474 CN201320147474 CN 201320147474 CN 201320147474 U CN201320147474 U CN 201320147474U CN 203215159 U CN203215159 U CN 203215159U
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Abstract
The utility model relates to a quick coupling for a floating pipe of a cutter suction dredger, relates to a device for rapid butt joint of dredge pipes based on water activities, and is applicable to quick butt joint of the cutter suction dredger and the overwater dredge pipes (also called as floating pipe) in dredge hydraulic reclamation project. The quick coupling for the floating pipe of the cutter suction dredger is time-saving, effort-saving, quick and convenient, and comprises a connector, a connecting sleeve, a worm and gear transmission device and a steel belt releasing and locking device; the worm and gear transmission device is arranged on the outer surface of the connecting sleeve; the worm and gear transmission device and the steel belt releasing and locking device are connected with each other through a connector; when in a connecting state, the connector is locked in the connecting sleeve. Therefore, in the construction project, the influence on butt joint by bumping and shaking of the dredge pipe caused by storm is reduced by virtue of a guiding function of a connecting sleeve guiding device, the rapid butt joint between the overwater dredge pipes, and between the overwater dredge pipes and the cutter suction dredger can be realized by tightening a drawing steel wire. The quick coupling is widely applicable to paving the dredge pipes in water areas with disordered water flow regime and great storms.
Description
Technical field
What the floating pipe rapid pipe joint waterborne of the utility model cutter suction dredger related to is a kind of equipment based on water activity sludge drainage pipe rapid abutting joint, be applicable to the cutter suction dredger of dredging hydraulic reclamation engineering and the rapid abutting joint of sludge drainage pipe waterborne (claiming floating pipe waterborne again), time saving and energy saving, efficient and convenient.
Background technique
In recent years, along with the develop rapidly of China's economic construction, national port construction, dredging hydraulic reclamation engineering such as reclaim fields from the sea increase year by year.Dredging hydraulic reclamation production process is a comparatively complicated system engineering.The necessary effectively Cooperation And Coordination of all departments of system just can make the whole system organic unity in the dredging dredge fill is produced, thereby makes construction equipment performance maximum efficiency, thereby reaches maximization of economic benefit.
As the cutter suction dredger of dredging dredge fill capital equipment, its equipment and technology is also being brought in constant renewal in, construction equipment maximization day by day, automation and intellectuality, and construction ability improves constantly.But, be called the mud delivery pipeline of dredging hydraulic reclamation engineering " lifeline " in the industry in whole nation dredging, between its floating pipe waterborne and the floating pipe waterborne, the floating pipe waterborne technical matters of docking with the main ship stern mud discharging mouth of constructing still rests on decades ago the level.In case run into because special anxious, the abominable dredging hydraulic reclamation engineering of working condition such as big of surging of construction waters wind that causes in geographical position, existing floating pipe waterborne connects to tear open and just facing very poverty-stricken situation on technology and technology, can not satisfy far away and dredge the hydraulic reclamation engineering construction now to the demand of mud delivery pipeline laying technology technology, serious restriction the development of pipe installation technology and construction process, the maximization of the overall efficiency of influence dredging hydraulic reclamation engineering.
Therefore, be further to improve pipe installation technology and construction process, improve floating pipe waterborne and under the bad working environments condition, connect the ability of tearing open, guarantee the pipeline utilization rate, inhale the ship efficiency of construction to improve strand, in time carry out pair twist and inhale the research of ship floating pipe rapid pipe joint waterborne and use very necessary.Also for practicing Yangtze River waterway " three services " spirit, improve the construction level of Yangtze River waterway dredging works, to serve Yangtze River shipping and riverine provinces and cities sustainable development of economy better, all have very important economy, politics and social effect.
The model utility content
The purpose of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne is to provide a kind of equipment based on water activity sludge drainage pipe rapid abutting joint at above-mentioned deficiency, and test and improvement by repeatedly, finally formed design proposal of the present utility model, difficult problem in having solved sludge drainage pipe waterborne preferably and cutter suction dredger docking, reduced the security risk in the construction, guaranteed the laying quality of sludge drainage pipe waterborne, reduced construction labor intensity, improve mud delivery pipeline and laid efficient, had remarkable economic efficiency and social benefit.The floating pipe rapid pipe joint waterborne of the utility model cutter suction dredger is widely used in sludge drainage pipe waterborne under different stormy waves, the surge condition and the rapid abutting joint of cutter suction dredger.
The floating pipe rapid pipe joint waterborne of the utility model cutter suction dredger is to take following technological scheme to realize:
Cutter suction dredger floating pipe rapid pipe joint waterborne comprises connecting head, connecting sleeve, worm gearing and steel band folding and unfolding locking device; Worm gearing is installed in the outer surface of connecting sleeve, and worm gearing is connected by connector with steel band folding and unfolding locking device; When being in coupled condition, connecting head is locked in the connecting sleeve.
Described connecting head comprises guide head, guiding gusset, ring flat-plate, connecting head body, flange one and supports footing.Connecting head is hollow structure, and the connecting head head end is equipped with guide head, and tail end is equipped with flange one; The guide head front end is provided with chamfering, is convenient to rounding off, and the guide head rear end is lathed step can block steel band, guide head rear end uniform six wedge shapes guiding gusset, and guiding gusset stub end is established ring flat-plate, and the end that the guiding gusset exceeds flange one is equipped with three groups of support footing.
Worm gearing comprises fixed base, frame, screw mandrel, turbine, worm screw, connector, latch and handle with sleeve; Fixed base is installed on the retainer ring outer wall of connecting sleeve, fixed base is through-hole structure, in the through hole lower end frame is installed, in the through hole of fixed base and in the frame screw mandrel is installed, at the middle part of screw mandrel turbine is installed, turbine is sleeved on the screw mandrel, the lower end of screw mandrel is equipped with connector, on the limit of turbine worm screw is installed, handle with sleeve is housed on the worm screw, latch assigns in the hinge last on fixed base and the screw mandrel.
Steel band folding and unfolding locking device comprises steel band, unclamps block, tightens up block, tapered end and fixed block; The steel band cross section is rectangle, the head end tangent section stretches out outside the connecting sleeve retainer ring, establish steel band in the retainer ring and hide groove, the steel band extending area is provided with waist through hole, fixed block, unclamp block, tighten up block and tapered end all is installed in the groove waist through hole, the steel band that stretches out interts and is unclamping block and tightening up between the block, and tapered end is limited in fixed block and unclamps between the block; Steel band in the retainer ring is in the arc-shaped along inboard wall groove from tangent point, steel band tail end and tapered end connect into wedge shape with bolt, at fixed block with tighten up between the block and seesaw, fixed block is detachable, fixed block with tighten up block and become the v-shaped openings shape, be fixed piece and tighten up the block wedging of tapered end when tightening up, the hook-shape structure that tapered end is tightened up block when unclamping blocks.
Described connecting sleeve comprises flange two, adapter, retainer ring, guiding reducer pipe, guide collar, support, worm and gear bearing, bearing pin and connector.The head end of connecting sleeve is established successively and is connected with connection blue two and nipple, nipple is connected with retainer ring again, connecting head is installed in the connecting sleeve, one end of connecting head inserts the connecting end mouth of pipe of nipple and retainer ring, the connecting sleeve tail end is established guide collar, be provided with the guiding reducer pipe of hole enlargement between retainer ring and the guide collar, guide collar connects guiding reducer pipe major part, and guiding reducer pipe microcephaly is connected and fixed circle; The connecting sleeve body interior seamlessly transits to retainer ring from big mouthful guide collar convergent, the retainer ring inwall is established the twice groove, is that together rubber seal groove, another road are that steel band is hidden groove, hide when steel band unclamps into and to be convenient to connecting head in the groove and to throw off, when steel band tightens up half half sticks connecting head in groove; The connecting head body exterior is established support, support is centered by the steel band that stretches out, be parallel to steel band and perpendicular to the body axis, the support foreleg is installed on the retainer ring, the support back leg is installed on the guiding reducer pipe, the contiguous block that props up top of the trellis is the worm and gear bearing, the worm and gear bearing is provided with groove, worm and gear upper end fits into groove, and connect with bearing pin, be convenient to that steel band tightens up and translation-angle when loosening, the worm and gear lower end is connected by connector with the steel band head end, and Placement adopts bolton; Be provided with the square locking pin-and-hole of position correspondence on the surface of the foreleg of support and back leg, square locking pin-and-hole facing to connector below, when tightening up steel band, square aperture formula locking latch runs through support foreleg, steel band, support back leg from square locking pin-and-hole, be close to below the connector, worm and gear unclamps when not stressing, and steel band is leading connector and acting on latch and lock tighter and tighter.
Described guide head, guide collar and retainer ring adopt ZG40Mn steel casting, form through machining again.
Described guiding reducer pipe, flange, gusset, support and locking latch adopt Q345B level steel.
Described bearing pin adopts No. 45 steel.
Described steel band adopts the low-alloy spring steel.
Using method:
When installing and using, tighten up steel band with worm and gear, extract bearing pin, the connecting sleeve that separates is connected with the dredger body, shake the worm and gear handle, unclamp steel band by the turbine and worm transmission device, after observing in the connecting sleeve body steel band and hiding into groove, refill connecting head, after connecting head and floating pipe connected, guide head passed through guide collar under the effect of external force, the guiding reducer pipe injects the connecting sleeve retainer ring, rotate worm and gear and tighten up steel band slowly, to lock latch and insert the square locking pin-and-hole of support foreleg, try the square locking pin-and-hole of support back leg on along with steel band tightens up, and run through into and namely stop to tighten up behind the square locking pin-and-hole of support back leg, connecting head and connecting sleeve dock successfully, worm and gear unclamps when not stressing, and steel band is drawing connector and acting on the locking latch and lock tighter and tighter, install to finish.
(1) connecting head is made main points
1. flange one, ring flat-plate and guide head are through mechanical preliminary working, and circle and connecting head body mate assembly welding in guaranteeing, the 5mm machining allowance is respectively stayed at cylindrical and two ends.
2. after the welding of connecting head body, polishing is corrected, and circularity is controlled in positive and negative 2mm, adorns guide head, ring flat-plate and flange one earlier, and the two ends bevel for welding is strict with technological requirement, guarantees welding quality.Guiding gusset, support footing etc. are not installed, and treat to assemble welding after the whole machining of secondary.
3. after assembling, the welding, eliminate stress, measure and correct.
4. connecting head integral body is machined to technological requirement.
5. assembling guiding gusset, support footing, welding.
6. connecting head is whole measures, checks that polishing is corrected.
(2) connecting sleeve is made main points
1. flange two mechanical preliminary working, circle and nipple coupling assembly welding in guaranteeing, the 5mm machining allowance is respectively stayed at flange two cylindricals and two ends.Check measurement after the assembly secondary operations.
2. retainer ring, guide collar are Cast Steel, must measure meticulously after the machining, check whether meet technological requirement.
3. make the assembling moulding bed with level instrument, the assembling moulding bed will be convenient to the data of measurement level and Vertical direction, fix guide collar earlier, the guiding reducer pipe that installation rolls, measuring height and concentricity, maximum error must not be greater than 2mm, lift retainer ring then to good central vertical line and horizontal plane, refill the nipple assembly, assembling support foreleg, support back leg, worm and gear bearing etc., the electrical pads jail is done backward deformation to support after whole measurement size, the verification, by the technological requirement welding, postwelding is measured, polishing is corrected.
(3) steel band folding and unfolding locking device
1. steel band adopts the low-alloy spring steel, and an end is connected with connector, and an end is connected with tapered end; With the tapered end match-drilled, fastening with hexagon socket head cap screw after the moulding of steel band circular arc portion machining, the steel band arc section is put in the steel band groove, install and fix piece, tighten up block, unclamp block; Straightway steel band and the butt joint of arc section steel band are strengthened the back welding with the backward deformation plate.
2. at the novel two-way jack stand of moulding bed assembling, with connector steel band is connected with novel two-way jack, the other end of novel two-way jack and novel two-way jacking bracket coupling, fix with bearing pin, baffle plate, after adjusting size, electrical pads is firm, pull down novel two-way jack after, integral solder.
Connecting sleeve welding back to the utility model cutter suction dredger floating pipe rapid pipe joint waterborne carry out integral body and measure, check and rectification.
(4) hydrostatic test
1. installation rubber seal.
2. connecting head and connecting sleeve butt joint is tightened up steel band with worm gearing, plugs latch.
3. after the connecting head flange end is used the blind plate bolton, fill with tap water in the vertical masonry joint pipe, whether visual examination has the seepage phenomenon.
4. after the perforate of connecting sleeve end blind plate and 12.5mm latus rectum joint coupling assembly welding, the cleaning, cover connecting sleeve end blind plate bolton, high-voltage tube one end connects blind plate, and an end connects electronic automatic hydraulic test pump, and the energising pressure testing must reach 0.8Mpa.
(5) application
1. application adopts the mode of spraying to construct, spraying red lead anticorrosive primer earlier, to be dried after, spray the green black colour finish paint again.
2. adopt butter to smear through mach.
The construction process process of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne is:
Connecting sleeve be connected main ship → connecting head be connected with sludge drainage pipe waterborne → by construction auxiliary vessel (strand anchor ship) traction put in place → during the position of connecting head directly being inserted connecting sleeve → stipulate by auxiliary vessel in connecting head inserts connecting sleeve → drive the locked connecting head of steel band device and connecting sleeve → insertion latch installs by worm and gear.
Advantage of the present utility model is: the utility model rapid pipe joint is laid in the sludge drainage pipe work progress on the water, utilize the leading role of connecting sleeve guiding device, reduce stormy waves and sludge drainage pipe is caused to jolt rock the influence of unfavorable butt joint, realize the rapid abutting joint of sludge drainage pipe waterborne and sludge drainage pipe waterborne, sludge drainage pipe waterborne and dredger by tightening up traction steel wire; Therefore, the utility model rapid pipe joint is widely used in the laying of flow-shape disorder, waters sludge drainage pipe that stormy waves is big; Simultaneously, the utility model rapid pipe joint is made simpler, the control of the coupling between machining precision and the component, member welding fabrication etc. is had relatively high expectations, difficult problem in having solved sludge drainage pipe waterborne preferably and cutter suction dredger docking, reduce the security risk in the construction, guaranteed the laying quality of sludge drainage pipe waterborne, reduced construction labor intensity, improve mud delivery pipeline and laid efficient, had remarkable economic efficiency and social benefit.
Adopt the turbine and worm transmission to obtain very big velocity ratio, can realize obtaining bigger Driving force with less power; Effect masterpiece circular movement, active force working stroke continuous-running efficiency height, part is few, volume is little, in light weight, can realize that self-locking has guaranteed safety.
Security of the present utility model, Economy, operability have broad application prospects it in the laying construction of flow-shape disorder, waters sludge drainage pipe that stormy waves is big.
Description of drawings
In order more in detail clearly to illustrate the purpose of this utility model, technological scheme and advantage, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the utility model cutter suction dredger floating pipe rapid pipe joint coupled condition structural representation waterborne.
Fig. 2 is the right elevation of the connecting sleeve of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
Fig. 3 is the plan view of the connecting sleeve of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
Fig. 4 is the plan view of the connecting head of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
Fig. 5 is the structural representation of the worm gearing of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
Fig. 6 is the transmission principle structural representation of the worm gearing of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
Fig. 7 is the structural representation of the steel band folding and unfolding locking device of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne.
The utility model is described in further detail below with reference to accompanying drawing.
Among the figure: 1, guide head, 2, the connecting head body, 3, the guiding gusset, 4, flange one, 5, ring flat-plate, 6, support footing, 7, fixed base, 8, frame, 9, screw mandrel, 10, turbine, 11, worm screw, 12, nipple, 13, connector, 14, pivot pin, 15, handle with sleeve, 16, steel band, 17, unclamp block, 18, tighten up block, 19, tapered end, 20, fixed block, 21, retainer ring, 22, the guiding reducer pipe, 23, guide collar, 24, flange two.
Embodiment
With reference to accompanying drawing 1 ~ 7:
Cutter suction dredger floating pipe rapid pipe joint waterborne comprises connecting head, connecting sleeve, worm gearing and steel band folding and unfolding locking device; Worm gearing is installed in the outer surface of connecting sleeve, and worm gearing is connected by connector 13 with steel band folding and unfolding locking device; When being in coupled condition, connecting head is locked in the connecting sleeve.
Described connecting head comprises guide head 1, guiding gusset 3, ring flat-plate 5, connecting head body 2, flange 1, supports footing 6.Connecting head is hollow structure, and the connecting head head end is installed guide head 1, tail end mounting flange 1; Guide head 1 front end is provided with chamfering, be convenient to rounding off, the guide head rear end is lathed step can block steel band 16, guide head 1 rear end uniform six wedge shapes guiding gusset 3, guiding gusset 3 stub ends are established ring flat-plate 5, and the end that the guiding gusset exceeds flange 1 is equipped with three groups of support footing 6.
Worm gearing comprises fixed base 7, frame 8, screw mandrel 9, turbine 10, worm screw 11, connector 13, pivot pin 14 and handle with sleeve 15; Fixed base 7 is installed on retainer ring 21 outer walls of connecting sleeve, fixed base 7 is through-hole structure, in the through hole lower end frame 8 is installed, in the through hole of fixed base 7 and in the frame 8 screw mandrel 9 is installed, at the middle part of screw mandrel 9 turbine 10 is installed, turbine 10 is sleeved on the screw mandrel 9, the lower end of screw mandrel 9 is equipped with connector 13, worm screw 11 is installed on the limit of turbine 10, handle with sleeve 15 is housed on the worm screw 11, pivot pin 14 assigns in the pivot hole on fixed base 7 and the screw mandrel 9.
Steel band folding and unfolding locking device comprises steel band 16, unclamps block 17, tightens up block 18, tapered end 19 and fixed block 20; Steel band 16 cross sections are rectangle, the head end tangent section stretches out outside the connecting sleeve retainer ring 21, establish steel band 16 in the retainer ring 21 and hide groove, steel band 16 extending areas are provided with waist through hole, fixed block 20, unclamp block 17, tighten up block 18 and tapered end 19 all is installed in the groove waist through hole, the steel band 16 that stretches out interts and is unclamping block 17 and tightening up between the block 18, and tapered end 19 is limited in fixed block 17 and unclamps between the block 18; Steel band 16 in the retainer ring 21 is in the arc-shaped along inboard wall groove from tangent point, steel band 16 tail ends and tapered end 19 usefulness bolts connect into wedge shape, at fixed block 20 with tighten up between the block 18 and seesaw, fixed block 20 is detachable, fixed block 20 with tighten up 18 one-tenth v-shaped openings shapes of block, be fixed piece 20 and tighten up block 18 wedgings of tapered end 19 when tightening up, the hook-shape structure that tapered end 19 is tightened up block 18 when unclamping blocks.
Described connecting sleeve comprises flange 2 24, nipple 12, retainer ring 21, guiding reducer pipe 22, guide collar 23, support, worm and gear bearing, bearing pin and connector 13.The head end of connecting sleeve is established adpting flange 2 24 and nipple 12, nipple 12 is connected with retainer ring 23 again, connecting head is installed in the connecting sleeve, one end of connecting head inserts the connecting end mouth of pipe of nipple 10 and retainer ring 16, the connecting sleeve tail end is established guide collar 23, be provided with the guiding reducer pipe 22 of hole enlargement between retainer ring 21 and the guide collar 23, guide collar 23 connects guiding reducer pipe 22 major parts, and guiding reducer pipe 22 microcephalies are connected and fixed circle 21; The connecting sleeve body interior seamlessly transits to retainer ring 21 from big mouthful guide collar 23 convergents, retainer ring 21 inwalls are established the twice groove, be the rubber seal groove together, another road is that steel band is hidden groove, hide when steel band 16 unclamps into and to be convenient to connecting head in the groove and to throw off, when steel band 16 tightens up half half sticks connecting head in groove; The connecting head body exterior is established support, support is centered by the steel band 16 that stretches out, be parallel to steel band 16 and perpendicular to the body axis, the support foreleg is installed on the retainer ring 21, the support back leg is installed on the guiding reducer pipe 22, the contiguous block that props up top of the trellis is the worm and gear bearing, the worm and gear bearing is provided with groove, worm and gear upper end fits into groove, and connect with bearing pin, be convenient to that steel band 16 tightens up and translation-angle when loosening, the worm and gear lower end is connected by connector with steel band 16 head ends, and Placement adopts bolton; Be provided with the square locking pin-and-hole of position correspondence on the surface of the foreleg of support and back leg, square locking pin-and-hole facing to connector below, when tightening up steel band 16, square aperture formula locking pivot pin runs through support foreleg, steel band 16, support back leg from square locking pin-and-hole, be close to below the connector, worm and gear unclamps when not stressing, and steel band 16 is leading connector and acting on pivot pin and lock tighter and tighter.
Described guide head 1, guide collar 23 and retainer ring 21 adopt ZG40Mn steel casting, form through machining again.
Described guiding reducer pipe 22, flange 1, flange 2 24, guiding gusset 3, support and locking pivot pin adopt Q345B level steel.
Described bearing pin adopts No. 45 steel.
Described steel band 16 adopts the low-alloy spring steel.
Using method:
When installing and using, tighten up steel band with worm and gear, extract bearing pin, the connecting sleeve that separates is connected with the dredger body, shake the worm and gear handle, unclamp steel band 16 by the turbine and worm transmission device, after observing in the connecting sleeve body steel band 16 and hiding into groove, refill connecting head, after connecting head and floating pipe connected, guide head passed through guide collar 23 under the effect of external force, guiding reducer pipe 22 injects connecting sleeve retainer ring 21, rotate worm and gear and tighten up steel band 16 slowly, to lock pivot pin and insert the square locking pin-and-hole of support foreleg, try the square locking pin-and-hole of support back leg on along with steel band 16 tightens up, and run through into and namely stop to tighten up behind the square locking pin-and-hole of support back leg, connecting head and connecting sleeve dock successfully, worm and gear unclamps when not stressing, and steel band 16 is drawing connector and acting on the locking pivot pin and lock tighter and tighter, install to finish.
(1) connecting head is made main points
1. flange 1, ring flat-plate 5 and guide head 1 are through mechanical preliminary working, and circle and connecting head mate assembly welding in guaranteeing, the 5mm machining allowance is respectively stayed at cylindrical and two ends.
2. after the welding of connecting head body, polishing is corrected, and circularity is controlled in positive and negative 2mm, adorns guide head 1, ring flat-plate 5 and flange 1 earlier, and the two ends bevel for welding is strict with technological requirement, guarantees welding quality.Guiding gusset 3, support footing 6 are not installed, and treat to assemble welding after the whole machining of secondary.
3. after assembling, the welding, eliminate stress, measure and correct.
4. connecting head integral body is machined to technological requirement.
5. assembling guiding gusset 3, support footing 6, welding.
6. connecting head is whole measures, checks that polishing is corrected.
(2) connecting sleeve is made main points
1. flange 2 24 mechanical preliminary working, circle and nipple coupling assembly welding in guaranteeing, the 5mm machining allowance is respectively stayed at flange 2 24 cylindricals and two ends.Check measurement after the assembly secondary operations.
2. retainer ring 21, guide collar 23 are Cast Steel, must measure meticulously after the machining, check whether meet technological requirement.
3. make the assembling moulding bed with level instrument, the assembling moulding bed will be convenient to the data of measurement level and Vertical direction, fix guide collar 23 earlier, the guiding reducer pipe 22 that installation rolls, measuring height and concentricity, maximum error must not be greater than 2mm, lift 21 pairs of good central vertical lines of retainer ring and horizontal plane then, refill the nipple assembly, assembling support foreleg, support back leg, worm and gear bearing etc., the electrical pads jail is done backward deformation to support after whole measurement size, the verification, by the technological requirement welding, postwelding is measured, polishing is corrected.
(3) steel band folding and unfolding locking device
1. steel band 16 adopts the low-alloy spring steel, and an end is connected with connector, and an end is connected with tapered end 19; With tapered end 19 match-drilled, fastening with hexagon socket head cap screw after the steel band 16 circular arc portion machining moulding, steel band 16 arc sections are put in the steel band groove, install and fix piece 20, tighten up block 18, unclamp block 17; Straightway steel band 16 and 16 butt joints of arc section steel band are strengthened the back welding with the backward deformation plate.
2. at the novel two-way jack stand of moulding bed assembling, with connector steel band is connected with novel two-way jack, the other end of novel two-way jack and novel two-way jacking bracket coupling, fix with bearing pin, baffle plate, after adjusting size, electrical pads is firm, pull down novel two-way jack after, integral solder.
Connecting sleeve welding back to the utility model cutter suction dredger floating pipe rapid pipe joint waterborne carry out integral body and measure, check and rectification.
(4) hydrostatic test
1. installation rubber seal.
2. connecting head and connecting sleeve butt joint is tightened up steel band 16 with worm gearing, plugs pivot pin.
3. after the connecting head flange end is used the blind plate bolton, fill with tap water in the vertical masonry joint pipe, whether visual examination has the seepage phenomenon.
4. after the perforate of connecting sleeve end blind plate and 12.5mm latus rectum joint coupling assembly welding, the cleaning, cover connecting sleeve end blind plate bolton, high-voltage tube one end connects blind plate, and an end connects electronic automatic hydraulic test pump, and the energising pressure testing must reach 0.8Mpa.
(5) application
1. application adopts the mode of spraying to construct, spraying red lead anticorrosive primer earlier, to be dried after, spray the green black colour finish paint again.
2. adopt butter to smear through mach.
The construction process process of the utility model cutter suction dredger floating pipe rapid pipe joint waterborne is:
Connecting sleeve be connected main ship → connecting head be connected with sludge drainage pipe waterborne → by construction auxiliary vessel (strand anchor ship) traction put in place → during the position of connecting head directly being inserted connecting sleeve → stipulate by auxiliary vessel in connecting head inserts connecting sleeve → drive the locked connecting head of steel band device and connecting sleeve → insertion pivot pin installs by worm and gear.
Claims (5)
1. a cutter suction dredger floating pipe rapid pipe joint waterborne is characterized in that: comprise connecting head, connecting sleeve, worm gearing and steel band folding and unfolding locking device; Worm gearing is installed in the outer surface of connecting sleeve, and worm gearing is connected by connector with steel band folding and unfolding locking device; When being in coupled condition, connecting head is locked in the connecting sleeve;
Described connecting head comprises guide head, guiding gusset, ring flat-plate, connecting head body, flange one and supports footing; Connecting head is hollow structure, and the connecting head head end is installed guide head, tail end mounting flange one; The guide head front end is provided with chamfering, is convenient to rounding off, and the guide head rear end is lathed step can block steel band, guide head rear end uniform six wedge shapes guiding gusset, and guiding gusset stub end is established ring flat-plate, and the end that the guiding gusset exceeds flange one is equipped with three groups of support footing;
Worm gearing comprises fixed base, frame, screw mandrel, turbine, worm screw, connector, pivot pin and handle with sleeve; Fixed base is installed on the retainer ring outer wall of connecting sleeve, fixed base is through-hole structure, in the through hole lower end frame is installed, in the through hole of fixed base and in the frame screw mandrel is installed, at the middle part of screw mandrel turbine is installed, turbine is sleeved on the screw mandrel, the lower end of screw mandrel is equipped with connector, on the limit of turbine worm screw is installed, handle with sleeve is housed on the worm screw, pivot pin assigns in the pivot hole on fixed base and the screw mandrel;
Steel band folding and unfolding locking device comprises steel band, unclamps block, tightens up block, tapered end and fixed block; The steel band cross section is rectangle, the head end tangent section stretches out outside the connecting sleeve retainer ring, establish steel band in the retainer ring and hide groove, the steel band extending area is provided with waist through hole, fixed block, unclamp block, tighten up block and tapered end all is installed in the groove waist through hole, the steel band that stretches out interts and is unclamping block and tightening up between the block, and tapered end is limited in fixed block and unclamps between the block; Steel band in the retainer ring is in the arc-shaped along inboard wall groove from tangent point, steel band tail end and tapered end connect into wedge shape with bolt, at fixed block with tighten up between the block and seesaw, fixed block is detachable, fixed block with tighten up block and become the v-shaped openings shape, be fixed piece and tighten up the block wedging of tapered end when tightening up, the hook-shape structure that tapered end is tightened up block when unclamping blocks;
Described connecting sleeve comprises flange two, nipple, retainer ring, guiding reducer pipe, guide collar, support, worm and gear bearing, bearing pin and connector; The head end of connecting sleeve is established successively and is connected with connection blue two and nipple, nipple is connected with retainer ring again, connecting head is installed in the connecting sleeve, one end of connecting head inserts the connecting end mouth of pipe of nipple and retainer ring, the connecting sleeve tail end is established guide collar, be provided with the guiding reducer pipe of hole enlargement between retainer ring and the guide collar, guide collar connects guiding reducer pipe major part, and guiding reducer pipe microcephaly is connected and fixed circle; The connecting sleeve body interior seamlessly transits to retainer ring from big mouthful guide collar convergent, the retainer ring inwall is established the twice groove, is that together rubber seal groove, another road are that steel band is hidden groove, hide when steel band unclamps into and to be convenient to connecting head in the groove and to throw off, when steel band tightens up half half sticks connecting head in groove; The connecting head body exterior is established support, support is centered by the steel band that stretches out, be parallel to steel band and perpendicular to the body axis, the support foreleg is installed on the retainer ring, the support back leg is installed on the guiding reducer pipe, the contiguous block that props up top of the trellis is the worm and gear bearing, the worm and gear bearing is provided with groove, worm and gear upper end fits into groove, and connect with bearing pin, be convenient to that steel band tightens up and translation-angle when loosening, the worm and gear lower end is connected by connector with the steel band head end, and Placement adopts bolton; Be provided with the square locking pin-and-hole of position correspondence on the surface of the foreleg of support and back leg, square locking pin-and-hole facing to connector below, when tightening up steel band, square aperture formula locking pivot pin runs through support foreleg, steel band, support back leg from square locking pin-and-hole, be close to below the connector, worm and gear unclamps when not stressing, and steel band is leading connector and acting on pivot pin and lock tighter and tighter.
2. cutter suction dredger according to claim 1 floating pipe rapid pipe joint waterborne is characterized in that: described guide head, guide collar and retainer ring adopt ZG40Mn steel casting, form through machining again.
3. cutter suction dredger according to claim 1 floating pipe rapid pipe joint waterborne is characterized in that: described guiding reducer pipe, flange one, flange two, guiding gusset, support and locking pivot pin, adopt Q345B level steel.
4. cutter suction dredger according to claim 1 floating pipe rapid pipe joint waterborne is characterized in that: described bearing pin adopts No. 45 steel.
5. cutter suction dredger according to claim 1 floating pipe rapid pipe joint waterborne is characterized in that: described steel band adopts the low-alloy spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147474 CN203215159U (en) | 2013-03-28 | 2013-03-28 | Quick coupling for floating pipe of cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147474 CN203215159U (en) | 2013-03-28 | 2013-03-28 | Quick coupling for floating pipe of cutter suction dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203215159U true CN203215159U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147474 Withdrawn - After Issue CN203215159U (en) | 2013-03-28 | 2013-03-28 | Quick coupling for floating pipe of cutter suction dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203215159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174891A (en) * | 2013-03-28 | 2013-06-26 | 长江南京航道工程局 | Quick connector of cutter suction dredger and water-borne pipe |
-
2013
- 2013-03-28 CN CN 201320147474 patent/CN203215159U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174891A (en) * | 2013-03-28 | 2013-06-26 | 长江南京航道工程局 | Quick connector of cutter suction dredger and water-borne pipe |
| CN103174891B (en) * | 2013-03-28 | 2015-04-29 | 长江南京航道工程局 | Quick connector of cutter suction dredger and water-borne pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20150429 |