CN105773138A - O-type four-car dumper installation technology - Google Patents
O-type four-car dumper installation technology Download PDFInfo
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- CN105773138A CN105773138A CN201610229161.7A CN201610229161A CN105773138A CN 105773138 A CN105773138 A CN 105773138A CN 201610229161 A CN201610229161 A CN 201610229161A CN 105773138 A CN105773138 A CN 105773138A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
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Abstract
The invention provides an O-type four-car dumper installation technology. The technology includes the steps of early-stage preparation, basic retesting, measuring and setting-out, and equipment installation. The O-type four-car dumper installation technology is convenient to operate and high in efficiency and precision, and installation is in place.
Description
Technical field
The present invention relates to tippler installing area, particularly relate to O type four and turn over formula tippler mounting process.
Background technology
Along with society is for the increase of coal and ore harbour construction demand amount, tippler miscellaneous constantly occurs in wherein.The plant equipment of port construction belongs to loading mechanization part, and tippler is in consequence in loading mechanization, is the tap of whole harbour operation, so tippler is for being an indispensable significant element in the middle of port construction.Just because of this, the mounting process of tippler is for particularly important port mechanical equipment.
Summary of the invention
The present invention is for achieving the above object, it is provided that O type four turns over formula tippler mounting process, including step have: early-stage preparations, basis repetition measurement and surveying setting-out, equipment install；
(1) early-stage preparations:
When steel beam column is stacked, it is ensured that being stacked upon of same area, and meet " first install upper, rear install under " principle；
Prepare the taper liner adjusted, the H profile steel of fixing truss, and corresponding safety devices；
Absolute altitude and orientation axis, basis axis and embedded board position is checked before installing；
Before lifting component, checking that whether the size of component is consistent with the requirement of design, whether the profile of component deforms；
Determine and check and can meet site operation requirement construction plant equipment；
Check the integrity of plant equipment, steel wire rope and suspender before installing, and guarantee that examination is hung；
The handling of steel beam column, transport and stacking, carry out the measure preventing infringement only deformation；
(2) basis repetition measurement and surveying setting-out:
The emphasis that foundation of civil work carries out comprehensive review examination has following several:
The deviation of tippler installation foundation centrage and apparatus body centrage, and the deviation of positioning car walking rails centrage, all can not more than 2mm；
The span error of tippler installation foundation can not more than 2mm, and diagonal line length error is within 2mm, and absolute altitude deviation is necessary for negative value, stays back-grouting use, all must not exceed 10mm；
The absolute altitude of all positions all meets drawing mounting design requirement；
Positioning car rack gear arrangement anchor bolt box and reserved pipe laying centerline deviation cannot be greater than 3mm；
Guarantee the position of all civil engineering built-in fittings, all ground cable channels distribution and trend, ditch inner cable crane span structure is reasonable, correct, complete and meets mechanical drawing requirement；
Carry out basis line, it is determined that reference for installation；
Set up and determine first datum line that centrage is all devices installation reference line of tippler installation foundation；
Installation process arrange surveyor regularly to the foundation elevation control point in tippler hole and the measurement of each layer absolute altitude, it has been found that change must report without delay process, to ensure the installation accuracy of tippler；
Check the axis of tippler hole, belt conveyor system and this three of car dumper system by design drawing, such as tippler, to cheat misalignment of axe little, should determine the axis of car dumper system based on the axis of conveyer system as taped；
(3) equipment is installed:
Tippler general frame includes feeding system, agent structure, driving device and vehicle tractor four major part composition, and four major parts are installed one by one；
1. the installation of feeding system
Before funnel is installed, by following for funnel feeding system equipment, need to walk on stage including under activating feeder, funnel, be all rationally put in the middle of foundation ditch；
Steel construction funnel is usually and forms with Plate Welding, and inside installs abrasion-proof backing block additional, becomes 2 sections in factory process, is connected with at the scene, is ensure assembled precision, should set up platform for lining when assembling at the scene；
Funnel lifts, according to lifting machine ability, adopting integral hoisting mode, after first upper and lower for funnel two parts assembly being completed, main loop wheel machine suspension centre is located at the osculum position of funnel, subsidiary engine is located at funnel bottom, then funnel entirety is leveled to ground, then funnel entirety is carried out integral hoisting internal to machine hole, need large-tonnage loop wheel machine one, determine lifting radius and the lifting angle of loop wheel machine according to funnel actual weight, put into machine hole；
After funnel is in place, adjusting after hopper centre's line and absolute altitude need to reach drawing requirement and fixed by funnel, install and adjust steel grating, second pouring bolt is the concrete at the place of connecing and wipes one's face；
Before feeding system bottom is installed, first has to an equipment needed thereby and all hang in bottom；
First have to determine the centrage of activating feeder before installation, its centrage is consistent with belt feeder and carriage center line thereof, activating feeder is similar to oscillating feeder, it is all carry out feed with the vibration of equipment self, the vibrational system of activating feeder is made up of vibrating motor and vibrating spring, major trough body is driven to obtain the amplitude of needs by the exciting force of vibrating motor, its connected mode is identical with oscillating feeder, it is all be supported by its support, first have to install the support of activating feeder during installation, then directly by activating feeder frame on support；
After determining BF line belt feeder centrage, according to drawing, activating feeder support is installed, according to construction drawing, supporting leg is installed to relevant position, adjust levelness and perpendicularity is fixed, activating feeder support is connected as welding manner with basis embedded part, after support adjusts, welding, welding need to meet drawing requirement；
Ensureing when installing travelling platform that level is consistent, it to be carried out repetition measurement before installing by its bracket basis, installs after adjustment；
Walking on stage on tippler is installed and to be coordinated to carry out in the installation of all the other equipment, the elongated installation walked on stage greatly of open side can only branch carry out and the support walked on stage is installed after putting in place, platform cover plate can only be interim give be fixed, cover plate can be removed when needing, but the fixed form of cover plate must be with bolts, to guarantee the reliability that cover plate is installed；
2. the installation of agent structure
Riding wheel supporting device is the supporting member of tippler rotary body, and its structure must endure as the weight of tippler main body；
Support roller has band wheel rim and dividing without wheel rim, to install by design attitude during installation, due to this installation is four turn over tippler, so tugboat beam quantity is four, each tugboat must be checked the number during installation and install, generally, enter car end tugboat beam for fixing end, port of export tugboat beam is free end, installation of must checking the number during the installation of tugboat beam；
The connecting plate plate face that bottom girder and end ring connect is cleaned out, it is not allow for dust, rust and burr, polish one time with angle grinding machine, slinging of bottom girder should keep level, fasten two 10 tons of chain blocks to be adjusted, bottom girder is steadily hung down, one end bolt and punching pin of having a look at couple together with end ring, other end tooling bracket and jack install connecting plate and high-strength bolt after being adjusted by platform, after having connected, the absolute altitude of end ring perpendicularity and beam being detected again, until platform being fixed after qualified, defective re-starting adjustment；
Need to be adjusted after tugboat beam is in place, align including centrage, it is ensured that precision is at 3mm, absolute altitude is levelling, ensureing that precision is at ± 2mm, this set tippler is totally four support roller beams, and the diagonal adjusting tugboat beam is 2 groups, and when adjusting diagonal, fixing two ends need to spring scale by two ends pull-up, it is ensured that Adjustment precision, according to drawing requirement, being fixed after adjustment, then carrying out the second phase pours and wipes one's face；
Often set tippler has four end ring, is set to 1#, 2#, 3#, 4#, and 1# and 2# is one group, and 3# and 4# is one group；
During end ring lifting, first hang vertical with main crane and the upset of auxiliary crane, when end ring reaches to hang in position, machine hole, with main loop wheel machine, end ring is put in the middle of machine hole；
When 1# end ring is in place, end ring track centerline to be directed at tugboat center and tippler centrage, and in end ring, terrace part need to adjust absolute altitude, and end ring spacing accuracy need to control at ± 5mm, after checking that its perpendicularity is qualified with theodolite, is fixed with steel wire rope and jack；
After end ring lifting, its relative position and levelness must be adjusted with jack, it is beneficial to horizontal mounting platform, little gear and end ring gear ring is made to be engaged on same absolute altitude, rotate for preventing end ring from laying particular stress on, the tooth-like stop temporarily preventing rotating should be installed in time, after whole tippler installs, before test run, operating, tooth-like stop must be removed；
Before lifting 2# end ring, need first landing beam lifted and adjust；
Platform is the rigid frame posture steel construction of welding, and the centre-to-centre spacing of two girders is identical with track for a train gauge, links into an integrated entity with horizontal secondary beam, welds checkered steel plate above, installs rail；
Four platforms turning over O type tippler always weigh about more than 40 ton, up to more than 20 meters, can adopt integral hoisting；During hoisting platform, first translating along ground, lift to installation site afterwards, one end is respectively placed on end ring, and landing beam two ends support landing beam with steel structure support respectively, and at the place jack contacted by two place's jack-up, are used for regulating the levelness of landing beam；
Then the lifting of 2# end ring is carried out, after 1# end ring and landing beam are fixed, hanging in foundation ditch by 2# end ring, lifting and the process of adjustment are with 1# end ring, after treating all adjustment, alignment pin is squeezed in each face, in order to stationary body, then entirety carries out repetition measurement, and often group end ring needs coordination tooth is measured after installation puts in place, dislocation degree belongs to normally within 2mm, carries out the connection of high-strength bolt after repetition measurement is errorless；
The equipment such as 1# and 2# end ring and platform are an independent unit, so when installing 3# and 4# end ring and platform etc., method step is ibid；
Front and rear beam is all overall delivery, lifts front and rear beam after end ring and platform being installed, and its lifting is similar to platform with method of adjustment；
Bigger by sweep volume, lifted and put in place, connect with pillar and oil cylinder with bearing pin, on the position parallel with pillar by sweep face, make to lean on sweep face to be positioned on the directrix plane vertical with bottom girder orbital plane, it is not more than ± 5mm with the deviation of directrix plane, adjust the baffle plate by sweep both sides, the gap making baffle plate and back rest both sides is 2.5mm, sweep and the back rest will be leaned on to fix with chain block afterwards, all of fixation means is removed after end-of-job to be installed, , can arrange before lifting and hang nose, and adjustable node is set in hoisting process, with the trace adjustment in the process of each bearing pin of satisfied installation；
3. the installation of driving device
Driving device is generally overall delivery, motor is checked before hoisted in position, reductor, the assembled condition of brake and shaft coupling, power transmission shaft and bearing spider thereof are bulk-breaking delivery, during installation, with the axis of power transmission shaft for benchmark, power transmission shaft is installed, detection level size and absolute altitude, to guarantee drive pinion and the position of engagement of end ring gear ring, tip clearance amount is made to meet the requirements, then according to the levelling driving device of axial line centering, the base absolute altitude of driving pinion and motor ensures at ± 3mm, horizontal level ensures the margin of error at 3mm, and the anchor (bolt) hole concrete of back-grouting driving device and transmission shaft support and wiping one's face；
Adopting electrically and mechanically two ways to keep synchronizing between two driving devices of every tippler, mechanical synchronization adopts the slow-speed shaft method of synchronization；
Driving device should be arranged in layout ground floor, drive motor, reduction box etc. and the isolation of tippler hole；
Before installing, reply drives the built-in fittings such as layer foundation bolt to carry out basis repetition measurement, it is ensured that its accurate size, the installation of motor base and little gear base can be installed after should determine that its absolute altitude；Concrete error requirements is determined according to the concrete diameter of power transmission shaft；Regulate driver pinion, axle center absolute altitude and horizontal level required precision respectively ± 3mm and 3mm, adjust the axile displacement of driver pinion and bull gear, precision need to control at 6mm；After driving pinion and synchronizing shaft are installed, its axiality need to be adjusted, the error amount that diameter according to cross section each in specification is corresponding is adjusted, ensure linearity and the levelness of synchronizing shaft, little gear and two ends, bull gear engagement place are maximum and minimum clearance should meet harbour codes and standards, and design drawing technology requires that running clearance gap is 2mm；
4. the installation of vehicle tractor
Positioning car is made up of car body, car arm, walking guidance system, travel driving unit etc., and car body is the heavy component of Plate Welding；Equipped with car arm on car body, its driving device is located on car body, car body sets manual operation case, to be operated manually under fault and repair, car arm is Plate Welding box-type member, and contraction and the hitch pin of car arm all adopt hydraulic-driven, driving device adopts vector current to control frequency control motor, through the driving device that reductor driving pinion composition is each independent, driving device is arranged on rack bar side, and the engagement of little wheel and rack drives positioning car to move in orbit；
Every part of walking track is installed and is adjusted in segmentation, adjust track level measuring and linearity with theodolite after, parts are coupled together, and fix, hydraulic buffer, back-grouting behind trapped orbit basis are installed, after after being in the milk, concrete strength reaches requirement, positioning car main body is mounted on track, start install and adjust hoofing part, afterwards install encoder and and support, positioning car jib is installed after leveling cable trolley track, after connecting side arm, carries out the integrated regulation of positioning car system.
The invention has the beneficial effects as follows: O type four of the present invention turns over formula tippler mounting process, and easy to operate, installation puts in place, efficiency is high, and precision is high.
Detailed description of the invention
It is described in detail below with reference to embodiments of the invention.
O type four turns over formula tippler mounting process, including step have: early-stage preparations, basis repetition measurement and surveying setting-out, equipment install；
(1) early-stage preparations:
When steel beam column is stacked, it is ensured that being stacked upon of same area, and meet " first install upper, rear install under " principle；
Prepare the taper liner adjusted, the H profile steel of fixing truss, and corresponding safety devices；
Absolute altitude and orientation axis, basis axis and embedded board position is checked before installing；
Before lifting component, checking that whether the size of component is consistent with the requirement of design, whether the profile of component deforms；
Determine and check and can meet site operation requirement construction plant equipment；
Check the integrity of plant equipment, steel wire rope and suspender before installing, and guarantee that examination is hung；
The handling of steel beam column, transport and stacking, carry out the measure preventing infringement only deformation；
(2) basis repetition measurement and surveying setting-out:
The emphasis that foundation of civil work carries out comprehensive review examination has following several:
The deviation of tippler installation foundation centrage and apparatus body centrage, and the deviation of positioning car walking rails centrage, all can not more than 2mm；
The span error of tippler installation foundation can not more than 2mm, and diagonal line length error is within 2mm, and absolute altitude deviation is necessary for negative value, stays back-grouting use, all must not exceed 10mm；
The absolute altitude of all positions all meets drawing mounting design requirement；
Positioning car rack gear arrangement anchor bolt box and reserved pipe laying centerline deviation cannot be greater than 3mm；
Guarantee the position of all civil engineering built-in fittings, all ground cable channels distribution and trend, ditch inner cable crane span structure is reasonable, correct, complete and meets mechanical drawing requirement；
Carry out basis line, it is determined that reference for installation；
Set up and determine first datum line that centrage is all devices installation reference line of tippler installation foundation；
Installation process arrange surveyor regularly to the foundation elevation control point in tippler hole and the measurement of each layer absolute altitude, it has been found that change must report without delay process, to ensure the installation accuracy of tippler；
Check the axis of tippler hole, belt conveyor system and this three of car dumper system by design drawing, such as tippler, to cheat misalignment of axe little, should determine the axis of car dumper system based on the axis of conveyer system as taped；
(3) equipment is installed:
Tippler general frame includes feeding system, agent structure, driving device and vehicle tractor four major part composition, and four major parts are installed one by one；
1. the installation of feeding system
Before funnel is installed, by following for funnel feeding system equipment, need to walk on stage including under activating feeder, funnel, be all rationally put in the middle of foundation ditch；
Steel construction funnel is usually and forms with Plate Welding, and inside installs abrasion-proof backing block additional, becomes 2 sections in factory process, is connected with at the scene, is ensure assembled precision, should set up platform for lining when assembling at the scene；
Funnel lifts, according to lifting machine ability, adopting integral hoisting mode, after first upper and lower for funnel two parts assembly being completed, main loop wheel machine suspension centre is located at the osculum position of funnel, subsidiary engine is located at funnel bottom, then funnel entirety is leveled to ground, then funnel entirety is carried out integral hoisting internal to machine hole, need large-tonnage loop wheel machine one, determine lifting radius and the lifting angle of loop wheel machine according to funnel actual weight, put into machine hole；
After funnel is in place, adjusting after hopper centre's line and absolute altitude need to reach drawing requirement and fixed by funnel, install and adjust steel grating, second pouring bolt is the concrete at the place of connecing and wipes one's face；
Before feeding system bottom is installed, first has to an equipment needed thereby and all hang in bottom；
First have to determine the centrage of activating feeder before installation, its centrage is consistent with belt feeder and carriage center line thereof, activating feeder is similar to oscillating feeder, it is all carry out feed with the vibration of equipment self, the vibrational system of activating feeder is made up of vibrating motor and vibrating spring, major trough body is driven to obtain the amplitude of needs by the exciting force of vibrating motor, its connected mode is identical with oscillating feeder, it is all be supported by its support, first have to install the support of activating feeder during installation, then directly by activating feeder frame on support；
After determining BF line belt feeder centrage, according to drawing, activating feeder support is installed, according to construction drawing, supporting leg is installed to relevant position, adjust levelness and perpendicularity is fixed, activating feeder support is connected as welding manner with basis embedded part, after support adjusts, welding, welding need to meet drawing requirement；
Ensureing when installing travelling platform that level is consistent, it to be carried out repetition measurement before installing by its bracket basis, installs after adjustment；
Walking on stage on tippler is installed and to be coordinated to carry out in the installation of all the other equipment, the elongated installation walked on stage greatly of open side can only branch carry out and the support walked on stage is installed after putting in place, platform cover plate can only be interim give be fixed, cover plate can be removed when needing, but the fixed form of cover plate must be with bolts, to guarantee the reliability that cover plate is installed；
2. the installation of agent structure
Riding wheel supporting device is the supporting member of tippler rotary body, and its structure must endure as the weight of tippler main body；
Support roller has band wheel rim and dividing without wheel rim, to install by design attitude during installation, due to this installation is four turn over tippler, so tugboat beam quantity is four, each tugboat must be checked the number during installation and install, generally, enter car end tugboat beam for fixing end, port of export tugboat beam is free end, installation of must checking the number during the installation of tugboat beam；
The connecting plate plate face that bottom girder and end ring connect is cleaned out, it is not allow for dust, rust and burr, polish one time with angle grinding machine, slinging of bottom girder should keep level, fasten two 10 tons of chain blocks to be adjusted, bottom girder is steadily hung down, one end bolt and punching pin of having a look at couple together with end ring, other end tooling bracket and jack install connecting plate and high-strength bolt after being adjusted by platform, after having connected, the absolute altitude of end ring perpendicularity and beam being detected again, until platform being fixed after qualified, defective re-starting adjustment；
Need to be adjusted after tugboat beam is in place, align including centrage, it is ensured that precision is at 3mm, absolute altitude is levelling, ensureing that precision is at ± 2mm, this set tippler is totally four support roller beams, and the diagonal adjusting tugboat beam is 2 groups, and when adjusting diagonal, fixing two ends need to spring scale by two ends pull-up, it is ensured that Adjustment precision, according to drawing requirement, being fixed after adjustment, then carrying out the second phase pours and wipes one's face；
Often set tippler has four end ring, is set to 1#, 2#, 3#, 4#, and 1# and 2# is one group, and 3# and 4# is one group；
During end ring lifting, first hang vertical with main crane and the upset of auxiliary crane, when end ring reaches to hang in position, machine hole, with main loop wheel machine, end ring is put in the middle of machine hole；
When 1# end ring is in place, end ring track centerline to be directed at tugboat center and tippler centrage, and in end ring, terrace part need to adjust absolute altitude, and end ring spacing accuracy need to control at ± 5mm, after checking that its perpendicularity is qualified with theodolite, is fixed with steel wire rope and jack；
After end ring lifting, its relative position and levelness must be adjusted with jack, it is beneficial to horizontal mounting platform, little gear and end ring gear ring is made to be engaged on same absolute altitude, rotate for preventing end ring from laying particular stress on, the tooth-like stop temporarily preventing rotating should be installed in time, after whole tippler installs, before test run, operating, tooth-like stop must be removed；
Before lifting 2# end ring, need first landing beam lifted and adjust；
Platform is the rigid frame posture steel construction of welding, and the centre-to-centre spacing of two girders is identical with track for a train gauge, links into an integrated entity with horizontal secondary beam, welds checkered steel plate above, installs rail；
Four platforms turning over O type tippler always weigh about more than 40 ton, up to more than 20 meters, can adopt integral hoisting；During hoisting platform, first translating along ground, lift to installation site afterwards, one end is respectively placed on end ring, and landing beam two ends support landing beam with steel structure support respectively, and at the place jack contacted by two place's jack-up, are used for regulating the levelness of landing beam；
Then the lifting of 2# end ring is carried out, after 1# end ring and landing beam are fixed, hanging in foundation ditch by 2# end ring, lifting and the process of adjustment are with 1# end ring, after treating all adjustment, alignment pin is squeezed in each face, in order to stationary body, then entirety carries out repetition measurement, and often group end ring needs coordination tooth is measured after installation puts in place, dislocation degree belongs to normally within 2mm, carries out the connection of high-strength bolt after repetition measurement is errorless；
The equipment such as 1# and 2# end ring and platform are an independent unit, so when installing 3# and 4# end ring and platform etc., method step is ibid；
Front and rear beam is all overall delivery, lifts front and rear beam after end ring and platform being installed, and its lifting is similar to platform with method of adjustment；
Bigger by sweep volume, lifted and put in place, connect with pillar and oil cylinder with bearing pin, on the position parallel with pillar by sweep face, make to lean on sweep face to be positioned on the directrix plane vertical with bottom girder orbital plane, it is not more than ± 5mm with the deviation of directrix plane, adjust the baffle plate by sweep both sides, the gap making baffle plate and back rest both sides is 2.5mm, sweep and the back rest will be leaned on to fix with chain block afterwards, all of fixation means is removed after end-of-job to be installed, , can arrange before lifting and hang nose, and adjustable node is set in hoisting process, with the trace adjustment in the process of each bearing pin of satisfied installation；
3. the installation of driving device
Driving device is generally overall delivery, motor is checked before hoisted in position, reductor, the assembled condition of brake and shaft coupling, power transmission shaft and bearing spider thereof are bulk-breaking delivery, during installation, with the axis of power transmission shaft for benchmark, power transmission shaft is installed, detection level size and absolute altitude, to guarantee drive pinion and the position of engagement of end ring gear ring, tip clearance amount is made to meet the requirements, then according to the levelling driving device of axial line centering, the base absolute altitude of driving pinion and motor ensures at ± 3mm, horizontal level ensures the margin of error at 3mm, and the anchor (bolt) hole concrete of back-grouting driving device and transmission shaft support and wiping one's face；
Adopting electrically and mechanically two ways to keep synchronizing between two driving devices of every tippler, mechanical synchronization adopts the slow-speed shaft method of synchronization；
Driving device should be arranged in layout ground floor, drive motor, reduction box etc. and the isolation of tippler hole；
Before installing, reply drives the built-in fittings such as layer foundation bolt to carry out basis repetition measurement, it is ensured that its accurate size, the installation of motor base and little gear base can be installed after should determine that its absolute altitude；Concrete error requirements is determined according to the concrete diameter of power transmission shaft；Regulate driver pinion, axle center absolute altitude and horizontal level required precision respectively ± 3mm and 3mm, adjust the axile displacement of driver pinion and bull gear, precision need to control at 6mm；After driving pinion and synchronizing shaft are installed, its axiality need to be adjusted, the error amount that diameter according to cross section each in specification is corresponding is adjusted, ensure linearity and the levelness of synchronizing shaft, little gear and two ends, bull gear engagement place are maximum and minimum clearance should meet harbour codes and standards, and design drawing technology requires that running clearance gap is 2mm；
4. the installation of vehicle tractor
Positioning car is made up of car body, car arm, walking guidance system, travel driving unit etc., and car body is the heavy component of Plate Welding；Equipped with car arm on car body, its driving device is located on car body, car body sets manual operation case, to be operated manually under fault and repair, car arm is Plate Welding box-type member, and contraction and the hitch pin of car arm all adopt hydraulic-driven, driving device adopts vector current to control frequency control motor, through the driving device that reductor driving pinion composition is each independent, driving device is arranged on rack bar side, and the engagement of little wheel and rack drives positioning car to move in orbit；
Every part of walking track is installed and is adjusted in segmentation, adjust track level measuring and linearity with theodolite after, parts are coupled together, and fix, hydraulic buffer, back-grouting behind trapped orbit basis are installed, after after being in the milk, concrete strength reaches requirement, positioning car main body is mounted on track, start install and adjust hoofing part, afterwards install encoder and and support, positioning car jib is installed after leveling cable trolley track, after connecting side arm, carries out the integrated regulation of positioning car system.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (1)
1.O type four turns over formula tippler mounting process, it is characterised in that the step included has: early-stage preparations, basis repetition measurement and surveying setting-out, equipment are installed；
(1) early-stage preparations:
When steel beam column is stacked, it is ensured that being stacked upon of same area, and meet " first install upper, rear install under " principle；
Prepare the taper liner adjusted, the H profile steel of fixing truss, and corresponding safety devices；
Absolute altitude and orientation axis, basis axis and embedded board position is checked before installing；
Before lifting component, checking that whether the size of component is consistent with the requirement of design, whether the profile of component deforms；
Determine and check and can meet site operation requirement construction plant equipment；
Check the integrity of plant equipment, steel wire rope and suspender before installing, and guarantee that examination is hung；
The handling of steel beam column, transport and stacking, carry out the measure preventing infringement only deformation；
(2) basis repetition measurement and surveying setting-out:
The emphasis that foundation of civil work carries out comprehensive review examination has following several:
The deviation of tippler installation foundation centrage and apparatus body centrage, and the deviation of positioning car walking rails centrage, all can not more than 2mm；
The span error of tippler installation foundation can not more than 2mm, and diagonal line length error is within 2mm, and absolute altitude deviation is necessary for negative value, stays back-grouting use, all must not exceed 10mm；
The absolute altitude of all positions all meets drawing mounting design requirement；
Positioning car rack gear arrangement anchor bolt box and reserved pipe laying centerline deviation cannot be greater than 3mm；
Guarantee the position of all civil engineering built-in fittings, all ground cable channels distribution and trend, ditch inner cable crane span structure is reasonable, correct, complete and meets mechanical drawing requirement；
Carry out basis line, it is determined that reference for installation；
Set up and determine first datum line that centrage is all devices installation reference line of tippler installation foundation；
Installation process arrange surveyor regularly to the foundation elevation control point in tippler hole and the measurement of each layer absolute altitude, it has been found that change must report without delay process, to ensure the installation accuracy of tippler；
Check the axis of tippler hole, belt conveyor system and this three of car dumper system by design drawing, such as tippler, to cheat misalignment of axe little, should determine the axis of car dumper system based on the axis of conveyer system as taped；
(3) equipment is installed:
Tippler general frame includes feeding system, agent structure, driving device and vehicle tractor four major part composition, and four major parts are installed one by one；
1. the installation of feeding system
Before funnel is installed, by following for funnel feeding system equipment, need to walk on stage including under activating feeder, funnel, be all rationally put in the middle of foundation ditch；
Steel construction funnel is usually and forms with Plate Welding, and inside installs abrasion-proof backing block additional, becomes 2 sections in factory process, is connected with at the scene, is ensure assembled precision, should set up platform for lining when assembling at the scene；
Funnel lifts, according to lifting machine ability, adopting integral hoisting mode, after first upper and lower for funnel two parts assembly being completed, main loop wheel machine suspension centre is located at the osculum position of funnel, subsidiary engine is located at funnel bottom, then funnel entirety is leveled to ground, then funnel entirety is carried out integral hoisting internal to machine hole, need large-tonnage loop wheel machine one, determine lifting radius and the lifting angle of loop wheel machine according to funnel actual weight, put into machine hole；
After funnel is in place, adjusting after hopper centre's line and absolute altitude need to reach drawing requirement and fixed by funnel, install and adjust steel grating, second pouring bolt is the concrete at the place of connecing and wipes one's face；
Before feeding system bottom is installed, first has to an equipment needed thereby and all hang in bottom；
First have to determine the centrage of activating feeder before installation, its centrage is consistent with belt feeder and carriage center line thereof, activating feeder is similar to oscillating feeder, it is all carry out feed with the vibration of equipment self, the vibrational system of activating feeder is made up of vibrating motor and vibrating spring, major trough body is driven to obtain the amplitude of needs by the exciting force of vibrating motor, its connected mode is identical with oscillating feeder, it is all be supported by its support, first have to install the support of activating feeder during installation, then directly by activating feeder frame on support；
After determining BF line belt feeder centrage, according to drawing, activating feeder support is installed, according to construction drawing, supporting leg is installed to relevant position, adjust levelness and perpendicularity is fixed, activating feeder support is connected as welding manner with basis embedded part, after support adjusts, welding, welding need to meet drawing requirement；
Ensureing when installing travelling platform that level is consistent, it to be carried out repetition measurement before installing by its bracket basis, installs after adjustment；
Walking on stage on tippler is installed and to be coordinated to carry out in the installation of all the other equipment, the elongated installation walked on stage greatly of open side can only branch carry out and the support walked on stage is installed after putting in place, platform cover plate can only be interim give be fixed, cover plate can be removed when needing, but the fixed form of cover plate must be with bolts, to guarantee the reliability that cover plate is installed；
2. the installation of agent structure
Riding wheel supporting device is the supporting member of tippler rotary body, and its structure must endure as the weight of tippler main body；
Support roller has band wheel rim and dividing without wheel rim, to install by design attitude during installation, due to this installation is four turn over tippler, so tugboat beam quantity is four, each tugboat must be checked the number during installation and install, generally, enter car end tugboat beam for fixing end, port of export tugboat beam is free end, installation of must checking the number during the installation of tugboat beam；
The connecting plate plate face that bottom girder and end ring connect is cleaned out, it is not allow for dust, rust and burr, polish one time with angle grinding machine, slinging of bottom girder should keep level, fasten two 10 tons of chain blocks to be adjusted, bottom girder is steadily hung down, one end bolt and punching pin of having a look at couple together with end ring, other end tooling bracket and jack install connecting plate and high-strength bolt after being adjusted by platform, after having connected, the absolute altitude of end ring perpendicularity and beam being detected again, until platform being fixed after qualified, defective re-starting adjustment；
Need to be adjusted after tugboat beam is in place, align including centrage, it is ensured that precision is at 3mm, absolute altitude is levelling, ensureing that precision is at ± 2mm, this set tippler is totally four support roller beams, and the diagonal adjusting tugboat beam is 2 groups, and when adjusting diagonal, fixing two ends need to spring scale by two ends pull-up, it is ensured that Adjustment precision, according to drawing requirement, being fixed after adjustment, then carrying out the second phase pours and wipes one's face；
Often set tippler has four end ring, is set to 1#, 2#, 3#, 4#, and 1# and 2# is one group, and 3# and 4# is one group；
During end ring lifting, first hang vertical with main crane and the upset of auxiliary crane, when end ring reaches to hang in position, machine hole, with main loop wheel machine, end ring is put in the middle of machine hole；
When 1# end ring is in place, end ring track centerline to be directed at tugboat center and tippler centrage, and in end ring, terrace part need to adjust absolute altitude, and end ring spacing accuracy need to control at ± 5mm, after checking that its perpendicularity is qualified with theodolite, is fixed with steel wire rope and jack；
After end ring lifting, its relative position and levelness must be adjusted with jack, it is beneficial to horizontal mounting platform, little gear and end ring gear ring is made to be engaged on same absolute altitude, rotate for preventing end ring from laying particular stress on, the tooth-like stop temporarily preventing rotating should be installed in time, after whole tippler installs, before test run, operating, tooth-like stop must be removed；
Before lifting 2# end ring, need first landing beam lifted and adjust；
Platform is the rigid frame posture steel construction of welding, and the centre-to-centre spacing of two girders is identical with track for a train gauge, links into an integrated entity with horizontal secondary beam, welds checkered steel plate above, installs rail；
Four platforms turning over O type tippler always weigh about more than 40 ton, up to more than 20 meters, can adopt integral hoisting；During hoisting platform, first translating along ground, lift to installation site afterwards, one end is respectively placed on end ring, and landing beam two ends support landing beam with steel structure support respectively, and at the place jack contacted by two place's jack-up, are used for regulating the levelness of landing beam；
Then the lifting of 2# end ring is carried out, after 1# end ring and landing beam are fixed, hanging in foundation ditch by 2# end ring, lifting and the process of adjustment are with 1# end ring, after treating all adjustment, alignment pin is squeezed in each face, in order to stationary body, then entirety carries out repetition measurement, and often group end ring needs coordination tooth is measured after installation puts in place, dislocation degree belongs to normally within 2mm, carries out the connection of high-strength bolt after repetition measurement is errorless；
The equipment such as 1# and 2# end ring and platform are an independent unit, so when installing 3# and 4# end ring and platform etc., method step is ibid；
Front and rear beam is all overall delivery, lifts front and rear beam after end ring and platform being installed, and its lifting is similar to platform with method of adjustment；
Bigger by sweep volume, lifted and put in place, connect with pillar and oil cylinder with bearing pin, on the position parallel with pillar by sweep face, make to lean on sweep face to be positioned on the directrix plane vertical with bottom girder orbital plane, it is not more than ± 5mm with the deviation of directrix plane, adjust the baffle plate by sweep both sides, the gap making baffle plate and back rest both sides is 2.5mm, sweep and the back rest will be leaned on to fix with chain block afterwards, all of fixation means is removed after end-of-job to be installed, , can arrange before lifting and hang nose, and adjustable node is set in hoisting process, with the trace adjustment in the process of each bearing pin of satisfied installation；
3. the installation of driving device
Driving device is generally overall delivery, motor is checked before hoisted in position, reductor, the assembled condition of brake and shaft coupling, power transmission shaft and bearing spider thereof are bulk-breaking delivery, during installation, with the axis of power transmission shaft for benchmark, power transmission shaft is installed, detection level size and absolute altitude, to guarantee drive pinion and the position of engagement of end ring gear ring, tip clearance amount is made to meet the requirements, then according to the levelling driving device of axial line centering, the base absolute altitude of driving pinion and motor ensures at ± 3mm, horizontal level ensures the margin of error at 3mm, and the anchor (bolt) hole concrete of back-grouting driving device and transmission shaft support and wiping one's face；
Adopting electrically and mechanically two ways to keep synchronizing between two driving devices of every tippler, mechanical synchronization adopts the slow-speed shaft method of synchronization；
Driving device should be arranged in layout ground floor, drive motor, reduction box etc. and the isolation of tippler hole；
Before installing, reply drives the built-in fittings such as layer foundation bolt to carry out basis repetition measurement, it is ensured that its accurate size, the installation of motor base and little gear base can be installed after should determine that its absolute altitude；Concrete error requirements is determined according to the concrete diameter of power transmission shaft；Regulate driver pinion, axle center absolute altitude and horizontal level required precision respectively ± 3mm and 3mm, adjust the axile displacement of driver pinion and bull gear, precision need to control at 6mm；After driving pinion and synchronizing shaft are installed, its axiality need to be adjusted, the error amount that diameter according to cross section each in specification is corresponding is adjusted, ensure linearity and the levelness of synchronizing shaft, little gear and two ends, bull gear engagement place are maximum and minimum clearance should meet harbour codes and standards, and design drawing technology requires that running clearance gap is 2mm；
4. the installation of vehicle tractor
Positioning car is made up of car body, car arm, walking guidance system, travel driving unit etc., and car body is the heavy component of Plate Welding；Equipped with car arm on car body, its driving device is located on car body, car body sets manual operation case, to be operated manually under fault and repair, car arm is Plate Welding box-type member, and contraction and the hitch pin of car arm all adopt hydraulic-driven, driving device adopts vector current to control frequency control motor, through the driving device that reductor driving pinion composition is each independent, driving device is arranged on rack bar side, and the engagement of little wheel and rack drives positioning car to move in orbit；
Every part of walking track is installed and is adjusted in segmentation, adjust track level measuring and linearity with theodolite after, parts are coupled together, and fix, hydraulic buffer, back-grouting behind trapped orbit basis are installed, after after being in the milk, concrete strength reaches requirement, positioning car main body is mounted on track, start install and adjust hoofing part, afterwards install encoder and and support, positioning car jib is installed after leveling cable trolley track, after connecting side arm, carries out the integrated regulation of positioning car system.
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| CN109458190A (en) * | 2018-10-25 | 2019-03-12 | 中铁二十二局集团轨道工程有限公司 | It is a kind of to turn over slag construction method and its application in TBM construction |
| CN114770088A (en) * | 2022-03-30 | 2022-07-22 | 蚌埠凯盛工程技术有限公司 | Stacker big arm installation coaxiality guaranteeing method |
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| CN114770088A (en) * | 2022-03-30 | 2022-07-22 | 蚌埠凯盛工程技术有限公司 | Stacker big arm installation coaxiality guaranteeing method |
| CN114770088B (en) * | 2022-03-30 | 2023-08-22 | 蚌埠凯盛工程技术有限公司 | Method for guaranteeing coaxiality of installation of large arm of stacker |
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| CN105773138B (en) | 2020-04-28 |
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