CN110421323A - A kind of processing method of assembling-type rotary body device - Google Patents
A kind of processing method of assembling-type rotary body device Download PDFInfo
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- CN110421323A CN110421323A CN201910725652.4A CN201910725652A CN110421323A CN 110421323 A CN110421323 A CN 110421323A CN 201910725652 A CN201910725652 A CN 201910725652A CN 110421323 A CN110421323 A CN 110421323A
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The processing method that the present invention discloses a kind of assembling-type rotary body device, the processing method prepares blank first and carries out blanking, upper spherical plate and lower peripheral surface plate are split up into several block assembly plates, then upper spherical plate and lower peripheral surface plate are positioned in welding platform, by upper junction plate, the components such as lower connecting plate and reinforcing rib are welded on assembled plate, destressing processing is carried out to the assembled plate welding seams after the completion of group weldering, secondly roughing and finishing are carried out to assembled plate on milling machine, after completing above step, the first roughing is carried out to upper spherical plate and lower peripheral surface plate respectively, processing bolt hole and pin hole on upper junction plate and lower connecting plate again, assembled plate above after processing is completed is subjected to preassembling, the second roughing is carried out to upper spherical plate and lower peripheral surface plate after preassembling, finally to before test after the completion of assembled plate dismantle and carry out ball blast and Spray painting；Processing method of the invention can not only guarantee precision after assembly, it can also be ensured that the stable degree that rotary body device finally uses.
Description
Technical field
The present invention relates to Bridge Rotation Construction Technique technical fields, more particularly to a kind of processing side of assembling-type rotary body device
Method.
Background technique
Bridge Rotation Construction Technique refers to bridge structure after non-design axial location makes (casting or assembled) forming, passes through
A kind of swivel construction method in place.Since construction by swing becomes complexity, technical strong high altitude operation and operation at sea
For the land operation on bank, not only construction safety, quality are desirable, and in navigable river or the frequent cross-line viaduct of vehicle
Traffic, uninterrupted navigation can not be interfered in construction, the damage to environment is small, has good technical economic benefit, so existing
Bridge construction in be commonly used.In addition, turning with the use of advanced synchronous jack and computer autocontrol technique
Body construction method is gradually applied to large span, on large heavy girder, but large span, large heavy girder are in construction by swing
Required rotary body device also will be very big, and the rotary body device of larger shape is in materials procurement, structure processing and transportational process
There are many difficulties, therefore, needs to assemble rotary body device using erection method at present, but rotary body device is being processed
When, due on the assembled face of rotary body device pin hole and bolt hole arrangement it is intricate, need to guarantee the precision in assembled face,
It just needs to carry out special processing to assembled face in this way, and is only in the prior art general roughing and the finishing mode of using,
Not can guarantee rotary body device can be with precise positioning in assembly, and then influences the precision after assembly, and therefore, being badly in need of one kind at present can
With the processing method of guarantee assembling-type rotary body device of precision after assembled.
Summary of the invention
The object of the present invention is to provide a kind of technical solutions of the processing method of assembling-type rotary body device, above-mentioned existing to solve
The problem of with the presence of technology.
To achieve the above object, the present invention provides following schemes: the present invention provides a kind of adding for assembling-type rotary body device
Work method, the rotary body device include upper swivel and lower swivel, and the upper swivel includes upper spherical plate, under the lower swivel includes
Spherical plate, the upper spherical plate and lower peripheral surface plate are parallel assembled by several blocks of assembled plates, the assembled plate of the upper spherical plate
It is equipped with upper junction plate, the assembled plate of the lower peripheral surface plate is equipped with lower connecting plate, and the upper junction plate in the upper spherical plate is logical
It crosses pin and bolt is detachably connected, be detachably connected between the lower connecting plate on the lower peripheral surface plate by pin and bolt, institute
State and be socketed with pin shaft in spherical plate and lower peripheral surface plate, the processing method of the assembling-type rotary body device the following steps are included:
Step 1: preparing blank and carry out blanking, upper spherical plate and lower peripheral surface plate are divided into several blocks of assembled plates, and process spelling
The datum level of loading board is prepared for group welder's sequence；
Step 2: the upper spherical plate after processing in step 1 and lower peripheral surface plate being located in welding platform first, and cleared up
The impurity such as the floating rust at weld bond, then by the assembled plate in the components such as upper junction plate, lower connecting plate and reinforcing rib welding step 1
On；
Step 3: destressing processing being carried out to the assembled plate welding seams after the completion of group weldering in step 2, eliminates or reduce assembled plate
Weld seam residual force and further decrease welding residual force internal stress；
Step 4: the assembled plate that destressing processing is completed in step 3 being placed on milling machine, respectively to the spelling of upper junction plate
Dress face and the assembled face of lower connecting plate carry out roughing and finishing, then process the bolt hole on upper junction plate and lower connecting plate
And pin hole；
Step 5: the assembled plate after step 4 processing being subjected to preassembling, pin will be entirely insertable in pin hole first, then
To be inserted into bolt in the bolt hole of 60%-80%, complete preassembling, by after the completion of preassembling upper swivel and lower swivel be placed on
On numerically controlled lathe, roughing convex globoidal and the roughing cancave cambered surface on lower peripheral surface plate in upper spherical plate respectively；
Step 6: upper swivel and lower swivel after step 5 is processed are dismantled, and assembled, and upper spherical plate is passed through upper company first
Fishplate bar be assembled into swivel, and bolt and pin by being inserted into bolt hole and pin hole are fixed, then will under
Spherical plate carries out being assembled into lower swivel by lower connecting plate, and bolt and pin by being inserted into bolt hole and pin hole carry out
It is fixed, after completing assembly, gap and the height difference situation of assembling part are observed, if there is deformation, de-stress is gone using oscillating aging, instead
Enter subsequent processing；
Step 7: the upper spherical surface plate top surface and lower peripheral surface board bottom face after the completion of testing so that step 6 is assembled are levelling as benchmark face,
Selecting supporting point when practical application is work pieces process fixed pivot, swivel and lower swivel in finishing；
Step 8: the upper swivel completed assembled in step 7 and lower swivel being dismantled, then upper swivel and lower swivel are carried out
Ball blast and spray painting.
Preferably, the specific procedure of processing of the bolt hole in step 5 and pin hole:
A, the diameter and quantity of pin, and the diameter and quantity of assembled bolt are determined first；Secondly to pin and assembly
The position of bolt is arranged；
B, parallels support is turned up in the assembled plate lathe of the assembled plate of upper swivel and lower swivel and is placed in platform for lining, be aligned
Each piece of axis is adjacent to docking plane, adjusts the datum level of parallels leveling and strengthening muscle；
C, it is adopted in stepb from central axis to two sides on pin hole periphery on the upper junction plate and lower connecting plate of assembled plate
Several interim assembled bolts hole with magnetic drill drilling, and bolt and nut is installed and is respectively fastened into upper junction plate and lower connecting plate
Row is interim assembled；
D, on the upper junction plate and lower connecting plate after step c is interim assembled drilling pin hole bottom outlet；
E, the bottom outlet after processing in step d is used into the thick hinge pin nail hole of roughing reamer, and there are allowances for finish；
F, the pin hole after slightly cutting with scissors in step e is finish reamed；
G, cinnabar is smeared on pin surface, in the pin hole after penetrating step f processing, is rotated semiaxis, is taken out, pin hole inner wall
80% surface is coated with cinnabar, can enter subsequent processing, otherwise carry out reconditioning to pin or pin hole；
H, it will be pressed into pin in the pin hole after processing in step g, then the drilling spiral shell on upper junction plate and lower connecting plate
Keyhole.
Preferably, in step a, the pin uses taper bolt, first in taper bolt bottom threading, then will
Taper bolt is pressed into the pin hole of upper junction plate and lower connecting plate, and nut has finally been screwed on taper bolt.
Preferably, in step a, the position of pin and assembled bolt uses triangular structure mode.
Preferably, in step c, the quantity of interim assembly bolt hole is at least 4, and interim assembly diameter of bolt hole ratio faces
When the big 0.5mm of the assembly diameter of bolt, penetrate interim assembled bolt, and with calibrated wrench method prefastening torque 50%, be respectively completed connection
The interim assembly of plate and lower connecting plate.
Preferably, in steps of 5, ear is welded on the side wall of upper spherical plate after the completion of roughing and lower peripheral surface plate
Plate.
Preferably, in step 2, weld bond cleaning range be its around 10-30mm, to upper junction plate, lower connecting plate and
When the components such as reinforcing rib weld, the components such as upper junction plate, lower connecting plate and reinforcing rib are carried out using ceramic heat band pre-
Heat, temperature position circumference reinforcing rib, waling and cross reinforcing between 120~150 °.
Preferably, in step 3, ceramic heat band and heat-preservation cotton are arranged first around weld seam, use temperature controller
Temperature around weld seam is controlled between 600 DEG C -635 DEG C, and keeps the temperature 2h；Secondly, the power of ceramic heat band is gradually decreased,
So that the temperature around weld seam is reduced to 400 DEG C after 2h；It is again switched off ceramic heat band, natural cooling；Finally to welding after
Component carry out vibration stress relief treatment.
Preferably, in step 6, the assembled plate of the assembled plate of upper swivel and lower swivel is assembled respectively completes, in circumference plus
The edge joint position of strengthening tendons is crossed, and the width and depth of line are less than the height difference in assembled face.
The invention discloses following technical effects: the processing method of assembling-type rotary body device disclosed by the invention passes through to group
Weld seam and plate after the completion of weldering carry out destressing processing, secondly carry out to the assembled plate of the assembled plate of upper swivel and lower swivel thick
Processing subsequently processes upper junction plate and bolt hole and pin hole on lower connecting plate assembly face, by using bolt hole and pin
The mode of Bolt-hole fits connection, it is assembled between being carried out the upper junction plate of upper swivel, the lower connecting plate of lower swivel respectively, it is final complete
The assembled plate of the upper assembled plate turned and lower swivel carries out assembled in pairs, completes the processing of rotary body device, processing side of the invention
Method can not only guarantee precision after assembly, it can also be ensured that the stable degree that rotary body device finally uses.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram that upper junction plate uses pin assembly in the prior art；
Fig. 2 is the structural schematic diagram that upper junction plate uses bolt assembly in the prior art；
Fig. 3 is the splicing structure schematic diagram of upper junction plate in the present invention；
Fig. 4 is the upper assembled face cross-sectional view turned in the present invention；
Fig. 5 is the partial enlarged view of A in Fig. 4；
Fig. 6 is the splicing structure schematic diagram of circumference reinforcing rib in the present invention；
Fig. 7 is the structural schematic diagram of rotary body device in the present invention；
Fig. 8 is the lower swivel structure schematic diagram that locating piece is equipped in the present invention；
Fig. 9 is the lower upper surface top view turned in the present invention；
Figure 10 is the partial enlarged view of B in Fig. 9；
Figure 11 is the splicing structure schematic diagram of upper spherical plate in the present invention；
Wherein, 1- upper junction plate；2- lower connecting plate；The upper spherical plate of 3-；4- lower peripheral surface plate；5- pin hole；6- bolt hole；7-
Taper bolt；8- piece；9- nut；10- bolt；11- circumference reinforcing rib；12- assembly plate；13- pin shaft；14- the first pin shaft sleeve；
15- the second pin shaft sleeve；16- abutment sleeve；17- slide plate；18- vibrates hole；19- gas vent；20-, which overflows, starches pipe；21- locating piece；
22- guide pad.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in figs. 1-11, the present invention provides a kind of processing method of assembling-type rotary body device, and wherein rotary body device includes
It is upper swivel and lower swivel, it is upper swivel include upper spherical plate 3, it is lower swivel include lower peripheral surface plate 4, upper spherical plate 3 and lower peripheral surface plate 4 by
Several blocks of assembled plates 12 are parallel assembled, and the assembled plate 12 of upper spherical plate 3 is equipped with upper junction plate 1, the assembly of lower peripheral surface plate 4
Plate 12 is equipped with lower connecting plate 2, and the upper junction plate 1 in upper spherical plate 3 is detachably connected by pin and bolt, lower peripheral surface plate 4
On lower connecting plate 2 between be detachably connected by pin and bolt, pin shaft 22 is socketed in upper spherical plate 3 and lower peripheral surface plate 4, spell
The processing method of dress type rotary body device the following steps are included:
Step 1: preparing blank and carry out blanking, upper spherical plate 3 and lower peripheral surface plate 4 are divided for several blocks of assembled plates 12, and adds
The datum level of work assembly plate 12 is prepared for group welder's sequence；
Step 2: the upper spherical plate 3 after processing in step 1 and lower peripheral surface plate 4 being located in welding platform first, and clear
The impurity such as the floating rust at weld bond are managed, then by the spelling in the components welding steps 1 such as upper junction plate 1, lower connecting plate 2 and reinforcing rib
In loading board 12；
Step 3: destressing processing being carried out to 12 weld seam of assembled plate after the completion of group weldering in step 2, eliminates or reduces and is assembled
The weld seam residual force of plate 12 and further decrease welding residual force internal stress；
Step 4: the assembled plate 12 that destressing processing is completed in step 3 being placed on milling machine, respectively to upper junction plate 1
Assembled face and the assembled face of lower connecting plate 2 carry out roughing and finishing, then process upper junction plate 1 and lower connecting plate 2 is assembled
Bolt hole 6 and pin hole 5 on face；
Step 5: the assembled plate 12 after step 4 processing is subjected to preassembling, pin will be entirely insertable in pin hole 5 first,
Then it will be inserted into bolt in the bolt hole of 60%-80% 6, preassembling is completed, by the upper swivel and lower swivel after the completion of preassembling
It is placed on numerically controlled lathe, respectively roughing convex globoidal and the roughing cancave cambered surface on lower peripheral surface plate 4 in upper spherical plate 3；
Step 6: upper swivel and lower swivel after step 5 is processed are dismantled, and assembled, are first passed through upper spherical plate 3 upper
Connecting plate 1 carries out being assembled into swivel, and bolt and pin by being inserted into bolt hole 6 and pin hole 5 are fixed, then
Lower peripheral surface plate 4 be assembled into lower swivel by lower connecting plate 2, and the bolt by being inserted into bolt hole 6 and pin hole 5 and
Pin is fixed, and after completing assembly, observes gap and the height difference situation of assembling part, if there is deformation, is gone using oscillating aging
De-stress, on the contrary enter subsequent processing；
Step 7: 3 top surface of upper spherical plate and 4 bottom surface of lower peripheral surface plate after the completion of testing so that step 6 is assembled are looked for as benchmark face
Flat, selecting supporting point when practical application is work pieces process fixed pivot, swivel and lower swivel in finishing；
Step 8: the upper swivel completed assembled in step 7 and lower swivel being dismantled, then upper swivel and lower swivel are carried out
Ball blast and spray painting.
Scheme is advanced optimized, in order to guarantee that upper junction plate 1 and the lower connecting plate 2 of lower swivel of upper swivel can be accurately
It links together, processing bolt hole 6 and pin hole 5 on upper junction plate 1 and lower connecting plate 2, the wherein bolt hole 6 in step 5
With the specific procedure of processing of pin hole 5:
A, the diameter and quantity of pin, and the diameter and quantity of assembled bolt are determined first；The diameter and quantity of pin
And the diameter and quantity of assembled bolt can be selected according to the actual situation, carry out cloth to the position of pin and assembled bolt
Set, pin and assembled bolt can guarantee to connect between upper junction plate 1 using triangular structure connected between lower connecting plate 2 it is firm
Degree, and then the firmness and precision that the assembled plate 12 of the assembled plate 12 and lower swivel turned in guarantee connects；
B, parallels support is turned up with lathe in the assembled plate 12 of the assembled plate 12 of upper swivel and lower swivel and is placed in platform for lining,
It is aligned each piece of axis, is adjacent to docking plane, the datum level of parallels leveling and strengthening muscle is adjusted, can guarantee the swivel after assembly in this way
Device is securely and assembled accurate, and 8 spacing of piece are small；
C, in stepb on the upper junction plate 1 and lower connecting plate 2 of assembled plate 12 from central axis to two sides in pin hole 5
Periphery several interim assembled bolts hole using magnetic drill drilling, and bolt and nut is installed respectively by upper junction plate 1 and lower connection
Plate 2, which fastens, carries out interim assembly, by that will connect upper interim assembly bolt in interim assembled bolt hole come respectively to upper swivel
Upper junction plate 1, lower swivel the assembled face of lower connecting plate 2 be fixed, and the quantity of interim assembled bolt hole is at least 4,
Interim assembly diameter of bolt hole is 0.5mm bigger than the interim assembled diameter of bolt, penetrates interim assembled bolt, and pre-tightened and turned round with calibrated wrench method
Square 50%, interim assembly bolt hole must not be obscured with bolt hole 6, and installation bolt and nut respectively will after interim assembly bolt hole machined
Upper junction plate 1 and the fastening of lower connecting plate 2 carry out interim assembled；In order to guarantee the machining accuracy of pin hole 5, interim assembly bolt hole
Precision be higher than the precision of bolt hole 6, and diameter is smaller than bolt hole 6, if bolt hole 6 is processed into interim assembled bolt
Kong Zehui increases processing capacity, will extend process time in this way, and can also there is a situation where that individual bolts are not installed；
D, on the upper junction plate 1 and lower connecting plate 2 after step c is interim assembled drilling pin hole 5 bottom outlet, and by bottom outlet
Diameter is 0.5mm smaller than the minimum diameter of taper hole；
E, the bottom outlet after processing in step d is used into the thick hinge pin nail hole 5 of roughing reamer, and there are allowances for finish, wherein essence
The surplus of processing is 0.1-0.3mm, preferably 0.2mm；
F, the pin hole 5 after slightly cutting with scissors in step e is finish reamed；
G, cinnabar is smeared on pin surface, penetrates pin hole 5, rotates semiaxis, is taken out, 5 inner wall of pin hole, 80% surface is coated with
Cinnabar can enter subsequent processing, otherwise carry out reconditioning to pin or pin hole 5；
H, it will be pressed into pin in the pin hole 5 after processing in step g, the then drilling on upper junction plate 1 and lower connecting plate 2
Bolt hole 6.
Furtherly, in order to guarantee to be fixedly connected with the stabilization after being fixedly connected between lower connecting plate 2 afterwards between upper junction plate 1
Property, and guarantee that pin can be accurately pressed into pin hole 5, and convenient disassembly, in step a, pin is used into taper bolt
7, and its taper is 1:50, during installation, first in 7 bottom threading of taper bolt, after the being dismounted for multiple times of taper bolt 7
Abrasion is had, in its bottom threading, can be convenient and fasten taper bolt 7 with nut 9, and in the prior art only with bolt
The modes of 10 connections: when bolt 10 connects, there is certain gap between bolt 10 and bolt hole 6, the assembled plate 12 of upper swivel or
The assembled plate 12 of lower swivel can generate different degrees of dislocation during multiple assembled, thus it cannot be guaranteed that upper swivel or under
8 height difference of piece of swivel in use；And common cylinder finger setting in the prior art, then 10 connection side of fitted bolt
Formula, common straight pin is only used for bearing shearing force, not easy to assemble although positioning can also be realized, upper swivel or lower swivel dress
Set in process to guarantee that precision can be dismounted repeatedly, general cylindrical pin will bring it is very big constant, in the prior art
The surface of common taper bolt 7 is machining that is smooth, and not can be carried out any, and effect only is only for fixed
Taper bolt 7, after processing location hole, is directly placed in it, to guarantee that connected component can precisely be determined by position
Position the abrasion of component will occur when it can shake while shaking between component, cause to occur between component serious
Dislocation, can not carry out using, and in the bottom threading of taper bolt 7, not only reduce its abrasion between component, can be with
Positioning accuracy is improved, and can guarantee the firmness between component, furthermore it is ensured that assembled face is upper and lower, left and right does not misplace,
The gap of piece 8 can also be controlled；Finally taper bolt 7 is pressed into the pin hole 5 of upper junction plate 1 and lower connecting plate 2, in circle
Nut 9 has been screwed on taper pin 7, then bolt 10 has been screwed into bolt hole 6.
Scheme is advanced optimized, in order to guarantee that upper spherical plate 3 and lower peripheral surface plate 4 are assembled precisely, and then guarantees rotary body device
Assembly upper spherical plate 3 after the completion of roughing and be welded with otic placode on the side wall of lower peripheral surface plate 4 in steps of 5, by ear
Plate is separately positioned on the two sides of spherical plate 3 and lower peripheral surface plate 4, and is in the otic placode of two sides on same center line, determines and spells
The straightness of seam 8, it is final guarantee on the precision of the assembled plate 12 of assembled plate 12 and lower swivel that turns, between piece 8
It is on the same face, so that the spacing after its assembly is smaller, finally otic placode is detachably connected using bolt, can be guaranteed in this way
The assembled precision of upper spherical plate 3 and lower peripheral surface plate 4.
Scheme is advanced optimized, in order to guarantee that upper spherical plate 3 and the positioning of lower peripheral surface plate 4 are firm and accurate, and then in guarantee
The assembled precise positioning of the assembled plate 12 of the assembled plate 12 of swivel and lower swivel, the final use for guaranteeing rotary body device, by step 2
In, the range of weld bond cleaning is set as 10-30mm around it, preferably 20mm, to upper junction plate 1, lower connecting plate 2 and reinforcing rib etc.
When components weld, the components such as upper junction plate 1, lower connecting plate 2 and reinforcing rib are preheated using ceramic heat band, temperature
Between 120~150 °, circumference reinforcing rib 11, waling and cross reinforcing are positioned, wherein circumference reinforcing rib 11,
The welding sequence of waling and cross reinforcing is all made of from the center of components and welds outward, with reinforcing rib is
When the heart is arranged symmetrically, central symmetry welding manner is just used, when reinforcing rib is that axisymmetrical is arranged, axisymmetrical welding is right
Circumference reinforcing rib 11, waling and cross reinforcing carry out four sides welding, can guarantee its stability in this way, no
Can deform distortion, and be all made of the mode of sequence welding in the prior art, i.e., from the left side of components to the right or by upper
Sequence under will will cause the different degrees of torsional deformation of components using the reinforcing rib after the welding of such welding sequence.
Scheme is advanced optimized, in order to guarantee that assembled plate 12 and the assembled plate 12 of lower swivel of upper swivel can carry out precisely
Assembly, to guarantee the final use of rotary body device, the detailed step of destressing in step 3 processing is first in weld seam week
Cloth sets ceramic heat band and heat-preservation cotton, is controlled the temperature around weld seam between 600 DEG C -635 DEG C using temperature controller,
And 2h is kept the temperature, by far infrared rifle monitoring temperature, it is made to complete heating-insulating-cooling stress relief annealing process；Secondly, gradually
The power for reducing ceramic heat band, so that the temperature around weld seam is reduced to 400 DEG C after 2h；It is again switched off ceramic heat band,
Natural cooling；Vibration stress relief treatment finally is carried out to the component after welding.
Scheme is advanced optimized, its piece after 12 assembly of assembled plate in order to guarantee the assembled plate 12 and lower swivel of upper swivel
Height value between 8 is finally mounted to the stationarity of rotary body device with swivel in guarantee and lower swivel in required value range,
In step 6, the assembled plate 12 of the assembled plate 12 of upper swivel and lower swivel is assembled respectively completes, in the piece of circumference reinforcing rib 11
It crosses on 8, the width and depth of line are less than the height difference in assembled face, when the spelling of the assembled plate 12 and lower swivel of upper swivel
After loading board 12 carries out assembly, the coincidence degree of scribing line is observed, if the height difference that its value range is less than assembled face is said
The assembly of the assembled plate 12 of the assembled plate 12 of bright upper swivel and lower swivel precisely, if difference is larger, illustrates that it is assembled serious
It misplaces, needs to re-start assembly to it.
When the above rotary body device carries out construction and installation at the scene, first at 12 center of assembled plate among lower peripheral surface plate 4
It is welded with the first pin shaft sleeve 14, the assembled plate 12 of lower swivel is then subjected to assembly, it is removable above the first pin shaft sleeve 14
It unloads and is connected with locating piece 21, convenient for the positioning in lower swivel installation process, pin shaft 13 is placed in the first pin shaft sleeve 14,
It is secondary that the assembled plate 12 of upper swivel is subjected to assembly, positioning sleeve is fixedly installed at 12 center of assembled plate among upper spherical plate 3
Cylinder 16, the second pin shaft sleeve 15 is socketed in abutment sleeve 16, the second pin shaft sleeve 15 and upper spherical plate 3 are welded, under
Be fixedly installed with guide pad 22 in spherical plate 4, assembled upper swivel be hung to above assembled lower swivel, it is assembled on
Swivel can be accurately mounted on above lower swivel, and guide pad 22 plays the role of an accurate positioning, while making the second pin
Be socketed with pin shaft 13 in shaft sleeve 15, turned in completion and the installation of lower swivel, turned in guarantee and lower swivel installation it is accurate
Degree, in addition, being equipped with slide plate 17 in the upper surface of lower swivel, and in lower swivel before upper swivel is mounted on lower swivel
Vibrate hole 18 and gas vent 19 are offered on upper surface, the slurry pipe 20 that overflows are provided in gas vent 19, vibrate hole 18 and gas vent
19 for pouring mortar in lower swivel installation process, and hole 18 of vibrating vibrates mortar for installing vibrating spear (not shown)
Guarantee that mortar is closely knit, gas vent 19 is for excluding extra gas, and since the upper surface of lower swivel is cambered surface, mortar pours face height
In cambered surface, lower swivel cambered surface overflow is caused to have mortar when pouring sandbox, therefore be provided with the slurry pipe 20 that overflows, but before the installation of upper swivel
The slurry pipe 20 that overflows need to be removed, and slide plate is installed in hole 19 of vibrating, the rotary work being more conducive between swivel and lower swivel in this way.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (9)
1. a kind of processing method of assembling-type rotary body device, it is characterised in that: the rotary body device include it is upper swivel and lower swivel,
The upper swivel includes upper spherical plate (3), and the lower swivel includes lower peripheral surface plate (4), the upper spherical plate (3) and lower peripheral surface plate
(4) parallel assembled by several pieces of assembled plates (12), the assembled plate (12) of the upper spherical plate (3) is equipped with upper junction plate
(1), the assembled plate (12) of the lower peripheral surface plate (4) is equipped with lower connecting plate (2), the upper junction plate on the upper spherical plate (3)
(1) it is detachably connected by pin and bolt, it can by pin and bolt between the lower connecting plate (2) on the lower peripheral surface plate (4)
It is socketed with pin shaft (22) in dismantling connection, the upper spherical plate (3) and lower peripheral surface plate (4), the assembling-type rotary body device adds
Work method the following steps are included:
Step 1: prepare blank and carry out blanking, upper spherical plate (3) and lower peripheral surface plate (4) are divided into several pieces of assembled plates (12), and
The datum level for processing assembled plate (12), prepares for group welder's sequence；
Step 2: the upper spherical plate (3) after processing in step 1 and lower peripheral surface plate (4) being located in welding platform first, and clear
The impurity such as the floating rust at weld bond are managed, it then will be in the components welding steps 1 such as upper junction plate (1), lower connecting plate (2) and reinforcing rib
Assembled plate (12) on；
Step 3: destressing processing being carried out to assembled plate (12) weld seam after the completion of group weldering in step 2, eliminates or reduce assembled plate
(12) weld seam residual force and welding residual force internal stress is further decreased；
Step 4: the assembled plate (12) that destressing processing is completed in step 3 being placed on milling machine, respectively to upper junction plate (1)
Assembled face and the assembled face of lower connecting plate (2) carry out roughing and finishing, then process upper junction plate (1) and lower connecting plate
(2) bolt hole (6) and pin hole (5) on；
Step 5: the assembled plate (12) after step 4 processing is subjected to preassembling, pin will be entirely insertable in pin hole (5) first,
Then bolt will be inserted into the bolt hole of 60%-80% (6), complete preassembling, by after the completion of preassembling upper swivel and lower turn
Body is placed on numerically controlled lathe, respectively roughing convex globoidal and the roughing concave arc on lower peripheral surface plate (4) on upper spherical plate (3)
Face；
Step 6: upper swivel and lower swivel after step 5 is processed are dismantled, and assembled, and upper spherical plate (3) are passed through upper company first
Fishplate bar (1) carries out being assembled into swivel, and bolt and pin by being inserted into bolt hole (6) and pin hole (5) are fixed,
Then lower peripheral surface plate (4) are carried out being assembled into lower swivel by lower connecting plate (2), and by bolt hole (6) and pin hole (5)
The bolt and pin of insertion are fixed, and after completing assembly, observe gap and the height difference situation of assembling part, if there is deformation, adopt
De-stress is gone with oscillating aging, otherwise enters subsequent processing；
Step 7: upper spherical plate (3) top surface and lower peripheral surface plate (4) bottom surface after the completion of testing so that step 6 is assembled are looked for as benchmark face
Flat, selecting supporting point when practical application is work pieces process fixed pivot, swivel and lower swivel in finishing；
Step 8: the upper swivel completed assembled in step 7 and lower swivel being dismantled, ball blast then is carried out to upper swivel and lower swivel
And spray painting.
2. the processing method of assembling-type rotary body device according to claim 1, it is characterised in that: the bolt hole in step 5
(6) and the specific procedure of processing of pin hole (5):
A, the diameter and quantity of pin, and the diameter and quantity of assembled bolt are determined first；Secondly to pin and assembled bolt
Position be arranged；
B, parallels support is turned up with lathe in the assembled plate (12) of the assembled plate (12) of upper swivel and lower swivel and is placed in platform for lining,
It is aligned each piece of axis, is adjacent to docking plane, adjusts the datum level of parallels leveling and strengthening muscle；
C, in stepb on the upper junction plate (1) and lower connecting plate (2) of assembled plate (12) from central axis to two sides in pin hole
(5) periphery using magnetic drill drilling several interim assembled bolts hole, and install bolt and nut respectively by upper junction plate (1) and under
Connecting plate (2) fastening carries out interim assembled；
D, on the upper junction plate (1) and lower connecting plate (2) after step c is interim assembled drilling pin hole (5) bottom outlet；
E, the bottom outlet after processing in step d is used into the thick hinge pin nail hole (5) of roughing reamer, and there are allowances for finish；
F, the pin hole (5) after slightly cutting with scissors in step e is finish reamed；
G, cinnabar is smeared on pin surface, in the pin hole (5) after penetrating step f processing, is rotated semiaxis, is taken out, in pin hole (5)
80% surface of wall is coated with cinnabar, can enter subsequent processing, otherwise carry out reconditioning to pin or pin hole (5)；
H, it will be pressed into pin in the pin hole (5) after processing in step g, is then bored on upper junction plate (1) and lower connecting plate (2)
Cut bolt hole (6).
3. the processing method of assembling-type rotary body device according to claim 2, it is characterised in that: in step a, the pin
Nail uses taper bolt (7), and first in taper bolt (7) bottom threading, then taper bolt (7) are pressed into upper junction plate
(1) it and in the pin hole (5) of lower connecting plate (2), has finally been screwed on taper bolt (7) nut (9).
4. the processing method of assembling-type rotary body device according to claim 2, it is characterised in that: in step a, pin and
The position of assembled bolt uses triangular structure mode.
5. the processing method of assembling-type rotary body device according to claim 2, it is characterised in that: interim to spell in step c
The quantity of dress bolt hole is at least 4, and interim assembly diameter of bolt hole is 0.5mm bigger than the interim assembled diameter of bolt, penetrates interim
Assembled bolt, and with calibrated wrench method prefastening torque 50%, it is respectively completed the interim assembly of upper junction plate (1) and lower connecting plate (2).
6. the processing method of assembling-type rotary body device according to claim 1, it is characterised in that: in steps of 5, slightly adding
Upper spherical plate (3) after the completion of work and otic placode is welded on the side wall of lower peripheral surface plate (4).
7. the processing method of assembling-type rotary body device according to claim 1, it is characterised in that: in step 2, weld bond is clear
The range of reason is 10-30mm around it, when welding to components such as upper junction plate (1), lower connecting plate (2) and reinforcing ribs, is used
Ceramic heat band preheats the components such as upper junction plate (1), lower connecting plate (2) and reinforcing rib, and temperature is at 120~150 °
Between, circumference reinforcing rib (11), waling and cross reinforcing are positioned.
8. the processing method of assembling-type rotary body device according to claim 1, it is characterised in that: in step 3, exist first
Ceramic heat band and heat-preservation cotton are arranged around weld seam, are controlled the temperature around weld seam at 600 DEG C -635 using temperature controller
Between DEG C, and keep the temperature 2h；Secondly, the power of ceramic heat band is gradually decreased, so that the temperature around weld seam is reduced to after 2h
400℃；It is again switched off ceramic heat band, natural cooling；Vibration stress relief treatment finally is carried out to the component after welding.
9. the processing method of assembling-type rotary body device according to claim 1, it is characterised in that: in step 6, upper swivel
Assembled plate (12) and lower swivel assembled plate (12) it is assembled respectively complete, carried out on the piece (8) of circumference reinforcing rib (11)
Scribing line, the width and depth of line are less than the height difference in assembled face.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111055115A (en) * | 2019-12-25 | 2020-04-24 | 中铁工程装备集团盾构制造有限公司 | Assembling method for block type shield tunneling machine factory |
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| CN110421323B (en) | 2021-07-02 |
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Denomination of invention: A Machining Method of Assembled Swivel Device Effective date of registration: 20221103 Granted publication date: 20210702 Pledgee: Cangzhou Bank Co.,Ltd. Hengshui Branch Pledgor: SINO RUBBER TECHNOLOGY Co.,Ltd. Registration number: Y2022980020740 |