CN101603312A - Pre-stressed concrete hollow square stake and preparation method thereof - Google Patents
Pre-stressed concrete hollow square stake and preparation method thereof Download PDFInfo
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- CN101603312A CN101603312A CNA2009100257486A CN200910025748A CN101603312A CN 101603312 A CN101603312 A CN 101603312A CN A2009100257486 A CNA2009100257486 A CN A2009100257486A CN 200910025748 A CN200910025748 A CN 200910025748A CN 101603312 A CN101603312 A CN 101603312A
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Abstract
The pre-stressed concrete hollow square stake; comprise the reinforcing cage, the concrete that adopt the welding of slip welding method; the pile body two ends are provided with the metal end plate that is connected with reinforcing cage; pile body central authorities are manhole; reinforcement cover 〉=25 millimeter; the chamfer dimesion of 4 corners of pile body is the R=10-40 millimeter, or 10*45 °-40*45 °.The preparation method of pre-stressed concrete hollow square stake: adopt sliding welding machine, the method for welding prepares reinforcing cage to slide; Finish the making of pre-stressed concrete hollow square stake again with conventional method.Adopt sliding welding machine, prepare reinforcing cage with the method for welding of sliding, Joint Strength loses smaller or equal to 5%, has greatly improved production efficiency, with the pre-stressed concrete hollow square stake intensity height of this reinforcing cage preparation, and steady quality, reliable.
Description
Technical field:
The method, particularly pre-stressed concrete hollow square stake and preparation method thereof that the present invention relates to concrete pile and make concrete pile.
Background technology:
Pre existing prestressed concrete hollow square pile comprises reinforcing cage, concrete, and the pile body two ends are provided with the metal end plate that is connected with reinforcing cage, and pile body central authorities are manhole, and the stirrup of reinforcing cage shape in the shape of a spiral is welded on the vertical muscle.The preparation method of pre existing prestressed concrete hollow square pile may further comprise the steps: prepare reinforcing cage with spot welder; The preparation high performance concrete; Prepare mould, and on mould separant coating; Be installed in reinforcing cage on the mould and tighten tensioning equipment; Feed in the punching block high performance concrete for preparing and the half module that closes; Bending resistance grade by product is carried out pre-stretch-draw to reinforcing bar, locks anchoring after reaching requirement; Put into and carry out centrifugal treating on the centrifuge, pour out surplus slurry; Adopt the demoulding after common steam maintenance moulding or the steam curing at high pressure moulding by the different strength grade requirement of concrete; Finished product is stacked and nature or water curing some cycles on request.
The method that spot welder prepares reinforcing cage may further comprise the steps: the end jumping-up that will indulge muscle, send into and be stuck in leading in the muscle hole on the vertical muscle sheave through vertical muscle intake mechanism, vertical muscle places the some muscle grooves that are provided with vertically on the outer peripheral face of square fixed electrode and four linea angulatas; Helical ring muscle winding mechanism drives the ring muscle and rotates a circle around square fixed electrode, will encircle muscle spirally around the vertical muscle outside; Driving is arranged on the central point of square fixed electrode and the float electrode on each vertical muscle central point connecting line direction moves along the central point of connecting line direction to square fixed electrode respectively, until touching the ring muscle, contact by ring muscle and vertical muscle, spot welding is finished in float electrode and square fixed electrode conducting; The driving float electrode sets back, and vertical muscle sheave drives vertical muscle and moves horizontally a ring muscle pitch; Repeat the 3rd step, the 4th step, so repeatedly, the pre-stressed concrete hollow square stake of making is carried by the reinforcing cage connecting gear with reinforcing cage, up to whole pre-stressed concrete hollow square stake reinforcing cage completion of processing.
Because whole welding process is that work step ground of a work step carries out spot welding, thereby working (machining) efficiency is low; In addition, carry out spot welding owing to the ring muscle just will be driven float electrode after square fixed electrode one circle, rather than carry out spot welding immediately after encircling muscle and vertical muscle contacting, cause the ring muscle when square fixed electrode rotates easily, when the ring muscle contacts with a back vertical muscle, previous or a plurality of vertical muscle just might break away from the contact point of ring muscle, cause empty weldering, make the ring muscle on the part side of square reinforcing cage bulge into circular arc shaped, after in such reinforcing cage is cast to the pre-stressed concrete hollow square stake, reinforcing bar does not meet the industry standard regulation of reinforcement cover 〉=25 millimeter of pre-stressed concrete hollow square stake to the distance of the pile body outer side edges of pre-stressed concrete hollow square stake, causes the insufficient strength of pile body and influences the product quality of pre-stressed concrete hollow square stake; Moreover, because the structural limitations of spot welder, the pre-stressed concrete hollow square stake can't be carried out spot welding processing with ring muscle on about 50 centimetre lengths in the two ends of reinforcing cage and vertical muscle, this defective will directly influence the structural strength of pre-stressed concrete hollow square stake, stay potential safety hazard for the end user of pre-stressed concrete hollow square stake product.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of built-in steady quality is reliable, the pre-stressed concrete hollow square stake of high-intensity reinforcing cage and preparation method thereof.
Solution of the present invention: adopt sliding welding machine, with slip welding method welded reinforcement cage, sliding welding machine contains the fixed electrode corresponding with the shape of cross section of processed reinforcing cage, float electrode, indulges the muscle sheave, fixedly leads muscle dish, stirrup dish, stirrup winding mechanism, reinforcing cage connecting gear, be provided with some muscle grooves of leading on the lateral surface of fixed electrode vertically, the electrode body of radially making elastic movement, making circumferential movement along the fixed electrode center, slide along the stirrup lateral surface along fixed electrode is arranged on the float electrode.
Float electrode is movably connected on the electrode wheel, the stirrup winding mechanism is fixed on the electrode wheel, float electrode, stirrup winding mechanism and electrode wheel are done to rotate synchronously around fixed electrode together, float electrode, the distributing position of stirrup winding mechanism on electrode wheel, should keep electrode wheel kept in balance when rotating, to reduce noise, reduce energy consumption.
Float electrode contains can regulate pedestal and the electrode body respectively adjustable with the relative position that can regulate pedestal, electrode wheel, can regulate the base that pedestal contains the pogo barrel parts, flexibly connects with the pogo barrel parts; The base that can regulate pedestal also can be designed to the chute structure, and electrode body is connected with slide block elasticity, and slide block and chute are slidingly connected.With regard to the reinforcing cage of a certain specification, adjust the error amount that electrode body acts on the active force on the vertical muscle that the distance with the fixed electrode center line do not wait and reach minimum, regulate nut and adjust the size of the spring force in electrode body and the pogo barrel parts and realize by adjusting; With regard to the reinforcing cage of different specification size, except adjusting the size of the spring force in electrode body and the pogo barrel parts and realize adjusting the error amount that electrode body acts on the active force on the vertical muscle that the distance with the fixed electrode center line do not wait and reach the minimum by adjust regulating nut, also will be by adjusting the relative position between pogo barrel parts and the electrode wheel, the active force that makes electrode body act on the vertical muscle of large-sized reinforcing cage is unlikely to excessive and caused weldering, and the active force that also makes electrode body act on the vertical muscle of undersized reinforcing cage is unlikely to too small and causes rosin joint or empty weldering.
But contain the control crank that the manual control electrode body is upwards lifted on the float electrode, be convenient to before the beginning welding processing, manually lift electrode body, stirrup is inserted between electrode body and the stirrup.
Described pogo barrel parts contain spring, sleeve pipe, adjusting screw(rod), regulate nut, roller, on the upper port of sleeve pipe capping has been installed, on the adjusting screw(rod) in the capping outside adjusting nut is arranged, fixedly mounted spring bearer plate on the adjusting screw(rod), spring places the cannula cavity between spring bearer plate and the capping, roller also has been installed between adjusting screw(rod) and the sleeve pipe, to keep adjusting screw(rod) when stressed, to be positioned at the middle part of sleeve pipe all the time, adjust and regulate the position of nut on screw rod, can reach the size that control spring acts on the active force on the adjusting screw(rod), also promptly control the size that electrode body acts on the active force on the stirrup.
With design on the adjusting screw(rod) at capping cooperation position place flat position is arranged, adjusting screw(rod) can only be moved towards a direction relative to capping, can not be around self rotational, with the unchanged direction of maintenance electrode body on stirrup.
Electrode body and can regulate and be provided with heat insulating mattress between the pedestal is avoided heat on the electrode body to be transmitted to and can be regulated pedestal, the spring that can regulate in the pedestal is heated and influences the elastic force size of spring.
Adjusting screw(rod) is connected with electrode body, and described heat insulating mattress is arranged on the junction of adjusting screw(rod) and electrode body.
Electrode body and can regulate and be provided with felt pad between the pedestal, described felt pad is arranged between adjusting screw(rod) and the heat insulating mattress, or is arranged between heat insulating mattress and the electrode body.
The work plane of electrode body is an arc surface, is convenient to electrode body and slides mobile on stirrup.
Arc surface is sphere or cylinder, the radius of arc surface is the 60-150 millimeter, radius is too little, and contact is short conduction time, and stirrup and vertical muscle can not reach effective welding, radius is too big, on the square fixed electrode vertical muscle more for a long time, it is long that stirrup and vertical muscle contact conduction time, power consumption is big, pad is easy to generate to burn and melts phenomenon, influences the bonding strength of stirrup and vertical muscle.
The matrix that electrode body is made by common conductive material and form by the mosaic block of making through conductive material wear-resisting, that improve processing such as hardness.On the one hand, only to the partial electrode body carry out wear-resisting, improve processing such as hardness, reduced manufacturing cost, on the other hand, when the work plane of electrode body produces wearing and tearing and influence when using through long-term the use, do not need to the working surface of electrode body process again or integral replacing to satisfy job requirement, only need to change mosaic block to get final product, reduce user's use cost, reduced the loss of conductive material.
Contain two float electrodes, two float electrodes are along the axial setting of fixed electrode, and standoff distance is a pitch of stirrup.Just can twine two stirrups simultaneously like this on fixed electrode, promptly the pitch of single stirrup has increased by one times, and electrode wheel rotates a circle, and just around two circles, operating efficiency is doubled the stirrup on the reinforcing cage.
Elastic press is set up in front portion in electrode body.Guarantee that electrode body is when welding, elastic press has been pressed in stirrup on the vertical muscle, makes electrode body reduce at the active force that stirrup when stirrup slides acts on the electrode body like this, thereby has reduced the rate of wear of electrode body, prolong the application life of electrode body, saved use cost.
Elastic press or elastic press wheel and electrode body are discrete, elastic press or elastic press wheel, electrode body are pressed in respectively on the stirrup, the contact point of elastic press or elastic press wheel and stirrup to the distance between the contact point of electrode body and stirrup less than the twice of distance between adjacent two vertical muscle on the fixed electrode.
Elastic press wheel and electrode body are fixedly connected in the mounting disc of adjusting screw(rod) lower end by heat insulating mattress and felt pad respectively, and heat insulating mattress and felt pad also have been installed between elastic press wheel and the electrode body.
Adjusting screw(rod) is divided into mobile jib and motion bar two parts, mobile jib and motion bar flexibly connect, mounting disc has been fixed in the motion bar lower end, briquetting and electrode body are fixedly connected in the mounting disc by heat insulating mattress and felt pad respectively, heat insulating mattress and felt pad also have been installed between briquetting and the electrode body, have been left the space that can make briquetting and electrode body stride across the corner positions of fixed electrode smoothly between the bottom of briquetting and the bottom of electrode body.
The cross section of fixed electrode is an abnormal curved surface.
Abnormal curved surface is circle, ellipse, triangle, symmetrical polygon, symmetrical non-equilateral polygon or irregular polygon.
Fixedly mounted some insulating slabs on the fixed electrode outer side edges, on the interval between insulating slab and the insulating slab and the fixed electrode to lead the muscle groove corresponding, guaranteed that electrode body realizes effectively contacting when welding post with between stirrup, vertical muscle, the fixed electrode; Guaranteed that electrode body is not at welding post, electrode body acts on two active forces on the stirrup between the vertical muscle makes stirrup produce distortion and when recessed, electrode body and fixed electrode can effectively insulate, and prevent that electrode body and fixed electrode from directly contacting the big electric current of generation and burning out equipment.
Some muscle cell bodies of leading have been installed on the fixed electrode, have been led the muscle groove and be located at and lead on the muscle cell body.Make vertical muscle slide to cause and lead the wearing and tearing of muscle groove and can not use the time along leading the muscle groove for a long time, do not need to change fixed electrode and the muscle cell body of leading that only needs to change on the fixed electrode gets final product, prolonged the application life of fixed electrode, saved use cost.
The upper port plane of leading the muscle cell body is mutually concordant with the insulating slab outerplanar on the fixed electrode, or be lower than insulating slab outerplanar on the fixed electrode, with effectively prevent electrode body with contact and conducting with leading the muscle cell body before vertical muscle contacts, produce a large amount of electric discharge phenomena, reduced energy consumption.The degree of depth of leading the muscle groove is greater than 1/2nd of vertical muscle diameter, and optimal depth is about 2/3rds of vertical muscle diameter, vertical muscle is slightly protruded from lead the suitable for reading of muscle cell body.Because to lead the muscle groove too much if vertical muscle protrudes, then electrode body acts on two active forces on the stirrup between the vertical muscle and makes stirrup produce excessive concave deformation, and can not return to original state voluntarily; And when vertical muscle protrusion is led muscle groove 1/3rd left and right sides, can make electrode body act on two active forces on the stirrup between the vertical muscle the slight concave deformation of stirrup generation can be recovered voluntarily, can not occur again causing stirrup and the insufficient welding quality that influences of vertical muscle welding inadequately because of stirrup moves down the space.
The both sides of leading muscle cell body upper port plane are provided with platform, and insulating slab places on the platform, shorten to lead muscle cell body upper port plane and lead the side of muscle groove and the distance of leading between the muscle cell body as far as possible, and minimizing electrode body and lead the chance that the muscle cell body contacts cuts down the consumption of energy.
Fixed electrode is fixed on the electrode support, electrode support is fixedly mounted on the electrode axis, electrode support adopts different geometries as ellipse, triangle, symmetrical polygon, symmetrical non-equilateral polygon with the matching part of electrode axis, realizes the location of circumferencial direction; Or the geometry of the matching part of electrode support and electrode axis is circular, and circumferencial direction is by strong location; Or the endoporus of electrode support employing splined hole, electrode axis adopts splined shaft to cooperate with electrode support; Or electrode support directly is fixed on the support with spiral shell select or alignment pin; Or on the hold-down nut of electrode axis end, set up the hold-down nut locking device.The secure fit that has overcome primary electrode bearing and electrode axis is unreliable, and under the pressure effect of electrode body, electrode support and electrode axis easily produce relative displacement at circumferencial direction, causes the reinforcing cage generation torsional deformation that processes and the defective of scrapping.The geometry of the matching part of primary electrode bearing and electrode axis is circular, and the location of the circumferencial direction of electrode support is by the assembly cap on the electrode axis electrode support axially to be positioned the location of indirect realization to the circumferencial direction of electrode support.
The pre-stressed concrete hollow square stake contains the reinforcing cage, the concrete that adopt the welding of slip welding method, and the pile body two ends are provided with the metal end plate that is connected with reinforcing cage, and pile body central authorities are manhole, and the stirrup of reinforcing cage shape in the shape of a spiral is welded on the vertical muscle.
Reinforcement cover, promptly vertical muscle external surface meet industry standard apart from distance 〉=25 between the pile body external surface millimeter.The restriction of process unit condition overcome for a long time owing to can't reach the defective of this standard value always.
The chamfer dimesion of 4 corners of pile body is the R=10-40 millimeter, or 10*45 °--40*45 °.Because of the chamfer dimesion of 4 corners is identical, good looking appearance not only, and avoided making the pre-stressed concrete hollow square stake in hoisting process, wire rope to be rubbed the generation security incident that drops because of the pile body corner is too small.
The slip welding method is: stirrup is moving around vertical myospasm, electrode body is made compound motion, being electrode body fixes or moves, does around the fixed electrode center circumferential movement, slides or speed change is slided along stirrup outside constant speed along the fixed electrode radial elastic in the radial position of fixed electrode, directly stirrup is pressed onto on the vertical muscle and finishes welding simultaneously by electrode body, or stirrup is pressed onto on the vertical muscle by pinch roller, and move forward, and then finished the welding of stirrup and vertical muscle by electrode body, other operations are undertaken by the conventional method of reinforcing cage welding.
When the circular reinforcing cage of processing, electrode body is fixed in the radial position of fixed electrode; When the waney deformed bar cage of processing, electrode body is radially made elastic movement along fixed electrode, changes needs to adapt to the reinforcing cage radial dimension.
Electrode body is the cloth muscle direction of following stirrup around the fixed electrode center as circular motion, and where stirrup is distributed to, and where electrode body just follows along the winding direction of stirrup, by the elastic force effect of spring electrode body is pressed on the stirrup all the time.
When the circular reinforcing cage of processing, electrode body is made constant speed along the stirrup outside and is slided; When the waney deformed bar cage of processing, along with the position of the contact point of electrode body and stirrup radially the changing of fixed electrode, electrode body is made speedup and is slided or slow down slip along the stirrup outside.
A kind of concrete procedure of processing of slip welding method of reinforcing cage comprises:
End jumping-up that will vertical muscle will be indulged muscle again and send into and fixedly lead the muscle dish, and send into vertical muscle sheave again behind fixed electrode, and vertical muscle places on the outer peripheral face of fixed electrode some muscle grooves of leading of setting vertically;
The stirrup winding mechanism drives stirrup and rotates around fixed electrode, electrode body along the stirrup external surface with stirrup outside vertical muscle;
Electrode wheel rotates, driving is arranged on the central point and the electrode body on each vertical muscle central point connecting line direction of fixed electrode and rotates, or the drive electrode body slides along stirrup, be electrode body with stirrup when fixed electrode rotates, move radially along the central point of fixed electrode and the direction of each vertical muscle central point connecting line;
Spot welding is finished in conducting when electrode body, fixed electrode contact with stirrup at vertical muscle;
Electrode wheel is rotated further, and the drive electrode body rotates with stirrup or slides along stirrup, finishes the weld job of next vertical muscle and stirrup contact point;
Constantly repeat above-mentioned steps, the reinforcing cage of making is carried by the reinforcing cage connecting gear, up to whole reinforcing cage completion of processing.
The preparation method of pre-stressed concrete hollow square stake may further comprise the steps: adopt sliding welding machine, the method for welding prepares reinforcing cage to slide; The preparation high performance concrete; Prepare mould, and on mould separant coating; Be installed in reinforcing cage on the mould and tighten tensioning equipment; Feed in the punching block high performance concrete for preparing and the half module that closes; Bending resistance grade by product is carried out pre-stretch-draw to reinforcing bar, locks anchoring after reaching requirement; Put into and carry out centrifugal treating on the centrifuge, pour out surplus slurry; Adopt the demoulding after common steam maintenance moulding or the steam curing at high pressure moulding by the different strength grade requirement of concrete; Finished product is stacked and nature or water curing some cycles on request.
Advantage of the present invention: adopt sliding welding machine; method with the welding of sliding prepares reinforcing cage; the Joint Strength loss is smaller or equal to 5%; greatly improved production efficiency; with reinforcement cover 〉=25 of the pre-stressed concrete hollow square stake of this reinforcing cage preparation millimeter; the intensity height, steady quality, reliable.
Description of drawings:
Fig. 1 is the structural representation of the used sliding welding machine of the present invention;
Fig. 2 is the structural representation of the electrod assembly device of the electrode conduction state of the used sliding welding machine of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the I portion enlarged drawing of Fig. 2;
Fig. 5 is the II portion enlarged drawing of Fig. 2;
Fig. 6 is the isolator and the binding site structural representation of leading the muscle cell body of the used sliding welding machine of the present invention;
Fig. 7 is the structural representation of the electrod assembly device of the electrode nonconducting state of the used sliding welding machine of the present invention;
Fig. 8 is in the structural representation of the electrod assembly device of farthest, fixed electrode center for the electrode body of the used sliding welding machine of the present invention;
Fig. 9 is orthohexagonal electrod assembly structural representation for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 10 is the electrod assembly structural representation of prismatic for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 11 is the non-equilateral electrod assembly structural representation of symmetry for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 12 is circular electrod assembly structural representation for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 13 is oval-shaped electrod assembly structural representation for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 14 is leg-of-mutton electrod assembly structural representation for the cross section of the fixed electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 15 is the removable frame schematic diagram of the float electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 16 is the III portion enlarged drawing of Figure 15;
Figure 17 is the another kind of removable frame schematic diagram of the float electrode of the electrod assembly of the used sliding welding machine of the present invention;
Set up the structural representation of pinch roller before the float electrode of Figure 18 for the electrod assembly of the used sliding welding machine of the present invention;
Figure 19 is the structural representation that is symmetrical arranged two groups of float electrodes of the electrod assembly of the used sliding welding machine of the present invention;
Figure 20 is that the B of Figure 19 is to view;
Figure 21 is the structural representation that has two groups of float electrodes and two groups of pinch rollers of the electrod assembly of the used sliding welding machine of the present invention;
Figure 22 is the structural representation that has the double end electrode body of the electrod assembly of the used sliding welding machine of the present invention;
Figure 23 has the structural representation of elastic electrode body for the float electrode of the electrod assembly of the used sliding welding machine of the present invention;
Figure 24 is one of the electrode body of the electrode body parts of the used sliding welding machine of the present invention and the structure that pinch roller is one schematic diagram;
Figure 25 is the electrode body of the electrode body parts of the used sliding welding machine of the present invention and two schematic diagrames of the structure that briquetting is one;
Figure 26 is the structural representation of pre-stressed concrete hollow square stake;
Figure 27 is the pile body cross-sectional view of pre-stressed concrete hollow square stake rounding;
Figure 28 is the pile body cross-sectional view of pre-stressed concrete hollow square stake chamfering.
Among the figure: the 1-electrode wheel; The 2-fixed electrode; 3-stirrup dish; 4-reinforcing cage connecting gear; 5-indulges the muscle sheave; 6-stirrup winding mechanism; The 7-chassis; The 8-sleeve pipe; The 9-electrode body; The 10-electrode support; The 11-support; The 12-electrode axis; 13-pieces together cap; The 14-isolator; 15-leads the muscle groove; 16-leads the muscle cell body; The 17-insulating slab; 18-regulates nut; The 19-capping; The flat position of 20-; The 21-adjusting screw(rod); 22-leads the muscle cell body; The 23-platform; The 24-electrode support; The 25-electrode axis; The 26-spring; The 27-electrode support; The 28-electrode axis; The 29-electrode support; The 30-electrode axis; 31-regular hexagon fixed electrode; 32-prismatic fixed electrode; The 33-electrode axis; The 34-electrode support; The 35-key; The non-equilateral fixed electrode of 36-symmetry; The 37-bolt; The 38-electrode support; The circular fixed electrode of 39-; The oval fixed electrode of 40-; The 41-electrode support; The 42-electrode axis; 43-triangle fixed electrode; The 44-electrode support; The 45-electrode axis; 46-pieces together cap; The 47-roller; The 48-spring bearer plate; The 49-terminals; The 50-control crank; The 51-mounting disc; The 52-heat insulating mattress; The 53-felt pad; The 54-matrix; The 55-mosaic block; The 56-fixed arm; 57-adjusts slide plate; The 58-adjusting screw(rod); 59-adjusts gliding mass; The 60-adjusting screw(rod); The 61-pinch roller; The 62-heat insulating mattress; The 63-felt pad; The 64-electrode body; The 65-adjusting screw(rod); The 66-pinch roller; The 67-adjusting screw(rod); The 68-adjusting screw(rod); The 69-heat insulating mattress; The 70-felt pad; The 71-electrode body; The 72-electrode body; The 73-felt pad; The 74-heat insulating mattress; The 75-electrode body; The 76-felt pad; The 77-heat insulating mattress; The 78-swing arm; The 79-spring; The 80-mounting disc; The 81-connecting rod; The 82-chute; The 83-slide block; The 84-adjusting screw(rod); The 85-adjusting screw(rod); The 86-mounting disc; The 87-heat insulating mattress; The 88-felt pad; The 89-felt pad; The 90-heat insulating mattress; The 91-electrode body; The 92-elastic press wheel; The 93-push rod; The 94-capping; The 95-spring bearer plate; The 96-roller; The 97-pogo barrel; The 98-spring; 99-fixedly leads the muscle dish; The 100-mobile jib; The 101-motion bar; The 102-mounting disc; The 103-heat insulating mattress; The 104-felt pad; The 105-felt pad; The 106-heat insulating mattress; The 107-electrode body; The 108-space; The 109-briquetting; The 110-metal end plate; The 111-through hole; The 112-reinforcing cage; The 113-concrete; The 114-pile body; The 115-corner; The 116-rounding; The 117-chamfering.
The specific embodiment:
A kind of slip welding equipment shown in Figure 1, it contains electrode wheel 1, fixed electrode 2, float electrode, indulges muscle sheave 5, fixedly leads muscle dish 99, stirrup dish 3, stirrup winding mechanism 6, reinforcing cage connecting gear 4.
Among Fig. 2, fixed electrode 2 is a square, is provided with some muscle grooves of leading on the lateral surface of fixed electrode 2 vertically, and the electrode body 9 of radially making elastic movement, making circumferential movement along fixed electrode 2 centers, slide along the stirrup lateral surface along fixed electrode 2 is arranged on the float electrode.Electrode body 9 is in the vertical muscle in centre and the stirrup contact point place of fixed electrode 2 one sides, electrode body 9 is in extreme lower position, electrode body 9 shown in the figure, vertical muscle, stirrup and fixed electrode 2 are in conducting state, and electrode body 9, vertical muscle, stirrup and fixed electrode 2 feed big electric current and carry out spot welding; The sleeve pipe 8 and base 7 interference fits of float electrode guarantee that sleeve pipe 8 can not be with respect to base 7 motions.Base 7, stirrup winding mechanism 6 are fixed on the electrode wheel 1, float electrode, stirrup winding mechanism 6 and electrode wheel 1 are done to rotate synchronously around fixed electrode 2 together, float electrode, the distributing position of stirrup winding mechanism 6 on electrode wheel 1, should keep electrode wheel 1 kept in balance when rotating to reduce energy consumption to reduce noise.Fixed electrode 2 is fixed on the electrode support 10, and electrode support 10 cooperates with electrode axis 12, and electrode support 10 is square with being shaped as of electrode axis 12 fitting faces, and electrode axis 12 is fixed on the support 11.
Among Fig. 3, the base 7 and the stirrup winding mechanism 6 of float electrode are fixed on the electrode wheel 1, fixed electrode 2 is fixed on the electrode support 10, electrode support 10 cooperates with electrode axis 12, electrode support 10 is square with being shaped as of electrode axis 12 fitting faces, electrode axis 12 is fixed on the support 11, has fixedly mounted assembly cap 13 on the screw thread on the axle head of electrode axis 12, pieces together the end that cap 13 is pressed in electrode support 10.
Among Fig. 4, provide fixed electrode 2 upper insulation plates 14, led a kind of structural relation of muscle groove 15, some insulating slabs 14 have been fixedly mounted on fixed electrode 2 outer side edges, on interval between insulating slab 14 and the insulating slab 17 and the fixed electrode 2 to lead muscle groove 15 corresponding, some muscle cell bodies 16 of leading have been installed on the fixed electrode 2, have been led muscle groove 15 and be located at and lead on the muscle cell body 16.The upper port plane of leading muscle cell body 16 is mutually concordant with insulating slab 14,17 outerplanars on the fixed electrode 2, or be lower than insulating slab 14,17 outerplanars on the fixed electrode 2, the degree of depth of leading muscle groove 15 is 2/3rds of vertical muscle diameter, vertical muscle is slightly protruded from lead the suitable for reading of muscle cell body 16.
Among Fig. 5, with design on the adjusting screw(rod) 21 at capping 19 cooperation position places flat position 20 is arranged, adjusting screw(rod) 21 can only be relatively moved along the axis direction and the capping 19 of sleeve pipe 8, can not be around the rotational of sleeve pipe 8, to keep the unchanged direction of electrode body 9 on stirrup.
Among Fig. 6, provide fixed electrode 2 upper insulation plates, led the another kind of structural relation of muscle groove 15, the both sides of leading muscle cell body 22 upper port planes are provided with platform 23, insulating slab 14,17 places respectively on the platform 23, shorten as far as possible and lead muscle cell body 22 upper port planes and lead the side of muscle groove 15 and the distance of leading between the muscle cell body 22, minimizing electrode body 9 and lead the chance that muscle cell body 22 contacts.
Among Fig. 7, expression be the structural representation of the electrod assembly device of electrode when being in nonconducting state.Electrode body 9 on the float electrode is rotated with electrode wheel 1, electrode body 9 is slided on the stirrup on the side of fixed electrode, electrode body 9 breaks away from the contact point of stirrup, vertical muscle and fixed electrode 2, contact point to next stirrup, vertical muscle and fixed electrode 2 slides, the contact point that electrode body 9 is in a stirrup, vertical muscle and fixed electrode 2 and next stirrup, indulge on the stirrup between the contact point of muscle and fixed electrode 2, spring 26 is compressed.Electrode support 24 is oval with the geometry of electrode axis 25 matching parts.
Among Fig. 8, the structure chart of the electrod assembly device when electrode body 9 is on square fixed electrode 2 linea angulatas, electrode support 27 is a triangle with the geometry of electrode axis 28 matching parts.Other structures of electrod assembly device do not change.
Among Fig. 9, an orthohexagonal fixed electrode 31 is arranged.Electrode support 29 upper spline holes, electrode axis 30 is a splined shaft, electrode support 29 and electrode axis 30 are connected with spline.Other structures of electrod assembly change.
Among Figure 10, the fixed electrode 32 of a prismatic is arranged.Electrode axis 33 is a circular shaft, and electrode axis 33 has keyway, also has keyway on the endoporus of electrode support 34, and electrode support 34 is connected by key 35 with electrode axis 33.Other structures of electrod assembly change.
Among Figure 11, a non-equilateral fixed electrode 36 of symmetry is arranged.Electrode support 38 directly is fixed on the support 11 with spiral shell select 37.Other structures of electrod assembly change.
Among Figure 12, the fixed electrode 39 of a circle is arranged.Electrode support 10 is a square with the geometry of electrode axis 12 matching parts.Other structures of electrod assembly change.
Among Figure 13, an oval-shaped fixed electrode 40 is arranged.Electrode support 41 is a regular hexagon with the geometry of electrode axis 42 matching parts.Other structures of electrod assembly change.
Among Figure 14, a leg-of-mutton fixed electrode 43 is arranged.Electrode axis 45 is circular, and the end is threaded, and with piecing together cap 46 electrode support 44 is pressed on the electrode axis 45, will piece together cap 46 with screw again and be fixed on the electrode support 44.Other structures of electrod assembly change.
Among Figure 15, contain and to regulate pedestal, pedestal be can regulate and pogo barrel parts and base 7 contained, described pogo barrel parts contain spring 26, sleeve pipe 8, adjusting screw(rod) 21, regulate nut 18, roller 47, capping 19 has been installed on the upper port of sleeve pipe 8, capping 19 has flat position 20 with the bonding surface place of adjusting screw(rod) 21, the nut 18 of adjusting is arranged on the adjusting screw(rod) 21 in capping 19 outsides, fixedly mounted spring bearer plate 48 on the adjusting screw(rod) 21, spring 26 places sleeve pipe 8 inner chambers between spring bearer plate 48 and the capping 19, between adjusting screw(rod) 21 and the sleeve pipe 8 roller 47 has been installed also, to keep adjusting screw(rod) 21 when stressed, to be positioned at the middle part of sleeve pipe 8 all the time, adjust and regulate the position of nut 18 on adjusting screw(rod) 21, can reach the size that control spring 26 acts on the active force on the adjusting screw(rod) 21, also promptly control the size that electrode body 9 acts on the active force on the stirrup.Sleeve pipe 8 and base 7 interference fits, base 7 is provided with adjustment screw, regulate the relative position of sleeve pipe 8 and base 7 after, screw adjustment screw, adjustment screw is acted on the sleeve pipe 8, guarantee that sleeve pipe 8 can not be with respect to base 7 motions.Base 7 is fixed on the electrode wheel 1.But the control crank 50 that terminals 49 and manual control electrode body 9 are upwards lifted has been installed on the electrode body 9.
Among Figure 16, adjusting screw(rod) 21 has been fixed mounting disc 51, and electrode body 9 is fixed in the mounting disc 51, and heat insulating mattress 52 and felt pad 53 have been installed between electrode body 9 and mounting disc 51.But the control crank 50 that terminals 49 and manual control electrode body are upwards lifted has been installed on the electrode body 9.The matrix 54 that electrode body 9 is made by common conductive material and form by the mosaic block of making through conductive material wear-resisting, that improve processing such as hardness 55.The work plane of mosaic block 55 is an arc surface, and arc surface is sphere or cylinder, and the radius of arc surface is 130 millimeters.
Among Figure 17, sleeve pipe 8 and fixed arm 56 close-fittings, fixed arm 56 are fixed on to be adjusted on the slide plate 57, adjusts slide plate 57 and adjusting screw(rod) 58 threaded engagement, adjusts slide plate 57 and is slidingly matched with adjusting gliding mass 59, adjusts gliding mass 59 and is fixed on the electrode wheel 1.
Among Figure 18, contain two pogo barrel parts, adjusting screw(rod) 60 lower ends of pogo barrel parts have fixedly mounted pinch roller 61, adjusting screw(rod) 21 lower ends of pogo barrel parts have fixedly mounted electrode body 9, heat insulating mattress 62,52 and felt pad 63,53 have been installed respectively between pinch roller 61, electrode body 9 and the adjusting screw(rod) 60,21, pinch roller 61, electrode body 9 are pressed in respectively on the stirrup, the contact point of pinch roller 61 and stirrup to the distance between the contact point of electrode body 9 and stirrup less than the twice of distance between adjacent two vertical muscle on the fixed electrode 2.
Among Figure 19, contain two pogo barrel parts, adjusting screw(rod) 60 lower ends of pogo barrel parts have fixedly mounted pinch roller 61, adjusting screw(rod) 21 lower ends of pogo barrel parts have fixedly mounted electrode body 9, heat insulating mattress 62,52 and felt pad 63,53 have been installed respectively between pinch roller 61, electrode body 9 and the adjusting screw(rod) 60,21, pinch roller 61, electrode body 9 are pressed in respectively on the stirrup, and two pogo barrel parts symmetries are installed in the both sides of fixed electrode 2.
Figure 20 be the B of Figure 19 to view, pinch roller 61, electrode body 9 coexist one and are spirally wound on fixing electricity 2 stirrups of extremely going up.
Among Figure 21, contain four pogo barrel parts, adjusting screw(rod) 60,67 lower ends of two pogo barrel parts have fixedly mounted pinch roller 61,66 respectively, the lower end of the adjusting screw(rod) 21,65 of two pogo barrel parts has fixedly mounted electrode body 9,64, pinch roller 61, electrode body 9 are one group, pinch roller 66, electrode body 64 are another group, two groups of both sides that are symmetricly set on fixed electrode 2.
Among Figure 22, contain pogo barrel parts, adjusting screw(rod) 68 lower ends of pogo barrel parts have fixedly mounted two electrode body 71,72, between two electrode body 71,72 and the adjusting screw(rod) 68 heat insulating mattress 69,74 has been installed respectively and felt pad 70,73, two electrode body 71,72 are pressed in respectively on two stirrups.
Among Figure 23, heat insulating mattress 77 and felt pad 76 have been installed between electrode body 75 and the swing arm 78, swing arm 78 flexibly connects with mounting disc 80, swing arm 78 mounting disc 80 swings relatively, between swing arm 78 and the mounting disc 80 spring 79 has been installed, mounting disc 80 is fixed on the connecting rod 81, has fixedly mounted slide block 83 on the connecting rod 81, slide block 83 is slidingly connected with chute 82, and the adjusting screw(rod) 84 that adjusting slider 83 moves has been installed on the chute 82.
Among Figure 24, spring-backed quill 97 is fixedly connected in the mounting disc 86 of adjusting screw(rod) 85 lower ends by heat insulating mattress 87 and felt pad 88 respectively with electrode body 91, spring 98 has been installed in the spring-backed quill 97, elastic press wheel 92 is fixed on the push rod 93, fixedly mounted spring bearer plate 95 on the push rod 93, spring bearer plate 95 is pressed on the spring 98, and roller 96 also has been installed on the push rod 93, capping 94 has been installed on the lower port of spring-backed quill 97, heat insulating mattress 90 and felt pad 89 have been installed between spring-backed quill 97 and the electrode body 91.
Among Figure 25, adjusting screw(rod) is divided into mobile jib 100 and motion bar 101 two parts, mobile jib 100 and motion bar 101 flexibly connect, mounting disc 102 has been fixed in motion bar 101 lower ends, briquetting 109 is fixedly connected in the mounting disc 102 by heat insulating mattress 103 and felt pad 104 respectively with electrode body 107, heat insulating mattress 106 and felt pad 105 also have been installed between briquetting 109 and the electrode body 107, have been left the space 108 that can make briquetting 109 and electrode body 107 stride across the corner positions of fixed electrode smoothly between the bottom of the bottom of briquetting 109 and electrode body 107.
Among Figure 26, the embodiment of pre-stressed concrete hollow square stake, contain the reinforcing cage 112, the concrete 113 that adopt the welding of slip welding method, pile body 114 two ends are provided with the metal end plate 110 that is connected with reinforcing cage 112, pile body 114 central authorities are circular through hole 111, the stirrup of reinforcing cage 112 shape in the shape of a spiral is welded on the vertical muscle, and chamfered is all carried out in 4 corners 115 of pile body 114.
Among Figure 27,116 is rounding, chamfer dimesion R=15 millimeter.
Among Figure 28,117 is chamfering, chamfer dimesion 20*45 °.
The production equipment of the used reinforcing cage of the present invention is described according to Fig. 2---the course of work of sliding welding machine: stirrup is moving around vertical myospasm, electrode body 9 is made compound motion, being electrode body 9 fixes or moves along fixed electrode 2 radial elastics in the radial position of fixed electrode 2, make circular motion around fixed electrode 2 centers, slide or the speed change slip along stirrup outside constant speed, directly stirrup is pressed onto on the vertical muscle and finishes welding simultaneously by electrode body 9, or stirrup is pressed onto on the vertical muscle by pinch roller, and move forward, and then finished the welding of stirrup and vertical muscle by electrode body 9, other operations are undertaken by the conventional method of reinforcing cage welding.When the circular reinforcing cage of processing, electrode body 9 is fixed in the radial position of fixed electrode 2; When the waney deformed bar cage of processing, electrode body 9 is radially made elastic movement along fixed electrode 2, changes needs to adapt to the reinforcing cage radial dimension.Electrode body 9 is the cloth muscle direction of following stirrup around fixed electrode 2 centers as circular motion, and where stirrup is distributed to, and where electrode body 9 just follows along the winding direction of stirrup, by the elastic force effect of spring electrode body 9 is pressed on the stirrup all the time.When the circular reinforcing cage of processing, electrode body 9 is made constant speed along the stirrup outside and is slided; When the waney deformed bar cage of processing, along with the position of electrode body 9 and the contact point of stirrup radially the changing of fixed electrode 2, electrode body is made speedup and is slided or slow down and slide along the stirrup outside.
According to Fig. 1, Fig. 2, describe the procedure of processing of pre-stressed concrete hollow square stake in detail with reinforcing cage, comprise: the end that will indulge muscle earlier is blunt thick, to indulge muscle again sends into and fixedly leads muscle dish 99, and behind square fixed electrode 2, send into again and indulge muscle sheave 5, some muscle grooves 15 of leading that vertical muscle places the periphery upper edge of square fixed electrode 2 circumferentially to be provided with, vertical muscle sheave 5 drives vertical muscle and moves horizontally, and stirrup winding mechanism 6 drives stirrup and rotates around square fixed electrode 2; Electrode wheel 1 rotates, driving is arranged on the central point and the electrode body on each vertical muscle central point connecting line direction 9 of square fixed electrode 2 and rotates, or drive electrode body 9 slides along stirrup, be electrode body 9 with stirrup when square fixed electrode 2 rotates, move radially along the central point of square fixed electrode 2 and the direction of each vertical muscle central point connecting line; Electrode body 9 is when the side of square fixed electrode 2 moves to the linea angulata of square fixed electrode 2, electrode body 9 is compressed to range with spring 26, cross the linea angulata of square fixed electrode 2 when electrode body 9, when entering the side of square fixed electrode 2 again, electrode body 9 moves downward under the effect of spring 26, when the side of electrode body 9 along square fixed electrode 2 moves, after crossing the center line of side, electrode body 9 is once more with spring 26 compressions, repeat the above-mentioned course of work again, when electrode body 9 is crossed over the intersection point of stirrup and vertical muscle, electrode body 9, spot welding is finished in conducting when square fixed electrode 2 contacts with stirrup at vertical muscle; Vertical muscle sheave 5 drives vertical muscle and moves horizontally a stirrup pitch; Electrode wheel 1 is rotated further, and drive electrode body 9 rotates with stirrup or slides along stirrup, finishes the weld job of next vertical muscle and stirrup contact point; So repeatedly, along with driving vertical muscle, vertical muscle sheave 5 ceaselessly moves horizontally, stirrup winding mechanism 6 drives stirrup and rotates around square fixed electrode 2, formed on square reinforcing cage vertically that shape in the shape of a spiral distributes by the fixing stirrup of welding, the square reinforcing cage of making is carried by the reinforcing cage connecting gear, till whole square reinforcing cage completion of processing.
The preparation method embodiment of pre-stressed concrete hollow square stake may further comprise the steps: adopt sliding welding machine, the method for welding prepares reinforcing cage to slide; Finish the making of pre-stressed concrete hollow square stake again with following conventional method: the preparation high performance concrete; Prepare mould, and on mould separant coating; Be installed in reinforcing cage on the mould and tighten tensioning equipment; Feed in the punching block high performance concrete for preparing and the half module that closes; Bending resistance grade by product is carried out pre-stretch-draw to reinforcing bar, locks anchoring after reaching requirement; Put into and carry out centrifugal treating on the centrifuge, pour out surplus slurry; Adopt the demoulding after common steam maintenance moulding or the steam curing at high pressure moulding by the different strength grade requirement of concrete; Finished product is stacked and nature or water curing some cycles on request.
Claims (14)
1, pre-stressed concrete hollow square stake, comprise reinforcing cage, concrete, the pile body two ends are provided with the metal end plate that is connected with reinforcing cage, and pile body central authorities are manhole, the stirrup of reinforcing cage shape in the shape of a spiral is welded on the vertical muscle, it is characterized in that containing the reinforcing cage that adopts the welding of slip welding method.
2, pre-stressed concrete hollow square stake according to claim 1 is characterized in that reinforcement cover, and promptly vertical muscle external surface is apart from distance 〉=25 between the pile body external surface millimeter.
3, pre-stressed concrete hollow square stake according to claim 2 is characterized in that the chamfer dimesion of 4 corners of pile body is the R=10-40 millimeter, or 10*45 °--40*45 °.
4, pre-stressed concrete hollow square stake according to claim 1, the welding method that it is characterized in that sliding is: stirrup is moving around vertical myospasm, electrode body is made compound motion, being electrode body fixes or moves along the fixed electrode radial elastic in the radial position of fixed electrode, make circumferential movement around the fixed electrode center, slide or the speed change slip along stirrup outside constant speed, directly stirrup is pressed onto on the vertical muscle and finishes welding simultaneously by electrode body, or stirrup is pressed onto on the vertical muscle by pinch roller, and move forward, and then finished the welding of stirrup and vertical muscle by electrode body, other operations are undertaken by the conventional method of reinforcing cage welding.
5, pre-stressed concrete hollow square stake according to claim 4 is characterized in that electrode body is fixed in the radial position of fixed electrode when the circular reinforcing cage of processing; When the waney deformed bar cage of processing, electrode body is radially made elastic movement along fixed electrode, changes needs to adapt to the reinforcing cage radial dimension.
6, pre-stressed concrete hollow square stake according to claim 5, it is characterized in that electrode body is the cloth muscle direction of following stirrup around the fixed electrode center as circumferential movement, where stirrup is distributed to, where electrode body just follows along the winding direction of stirrup, leans on the elastic force effect of spring that electrode body is pressed on the stirrup all the time.
7, pre-stressed concrete hollow square stake according to claim 6 is characterized in that when the circular reinforcing cage of processing, electrode body is made constant speed along the stirrup outside and slided; When the waney deformed bar cage of processing, along with the position of the contact point of electrode body and stirrup radially the changing of fixed electrode, electrode body is made speedup and is slided or slow down slip along the stirrup outside.
8, pre-stressed concrete hollow square stake according to claim 1 is characterized in that the concrete procedure of processing of the slip welding method of reinforcing cage comprises:
End jumping-up that will vertical muscle will be indulged muscle again and send into and fixedly lead the muscle dish, and send into vertical muscle sheave again behind fixed electrode, and vertical muscle places on the outer peripheral face of fixed electrode some muscle grooves of leading of setting vertically;
The stirrup winding mechanism drives stirrup and rotates around fixed electrode, electrode body along the stirrup external surface with stirrup outside vertical muscle;
Electrode wheel rotates, driving is arranged on the central point and the electrode body on each vertical muscle central point connecting line direction of fixed electrode and rotates, or the drive electrode body slides along stirrup, be electrode body with stirrup when fixed electrode rotates, move radially along the central point of fixed electrode and the direction of each vertical muscle central point connecting line;
Spot welding is finished in conducting when electrode body, fixed electrode contact with stirrup at vertical muscle;
Electrode wheel is rotated further, and the drive electrode body rotates with stirrup or slides along stirrup, finishes the weld job of next vertical muscle and stirrup contact point;
Constantly repeat above-mentioned steps, the reinforcing cage of making is carried by the reinforcing cage connecting gear, up to whole reinforcing cage completion of processing.
9, the preparation method of pre-stressed concrete hollow square stake may further comprise the steps: the preparation reinforcing cage; The preparation high performance concrete; Prepare mould, and on mould separant coating; Be installed in reinforcing cage on the mould and tighten tensioning equipment; Feed in the punching block high performance concrete for preparing and the half module that closes; Bending resistance grade by product is carried out pre-stretch-draw to reinforcing bar, locks anchoring after reaching requirement; Put into and carry out centrifugal treating on the centrifuge, pour out surplus slurry; Adopt the demoulding after common steam maintenance moulding or the steam curing at high pressure moulding by the different strength grade requirement of concrete; Finished product is stacked and nature or water curing some cycles on request, it is characterized in that further comprising the steps of: adopt sliding welding machine, the method for welding prepares reinforcing cage to slide.
10, the preparation method of pre-stressed concrete hollow square stake according to claim 9, the welding method that it is characterized in that sliding is: stirrup is moving around vertical myospasm, electrode body is made compound motion, being electrode body fixes or moves along the fixed electrode radial elastic in the radial position of fixed electrode, make circumferential movement around the fixed electrode center, slide or the speed change slip along stirrup outside constant speed, directly stirrup is pressed onto on the vertical muscle and finishes welding simultaneously by electrode body, or stirrup is pressed onto on the vertical muscle by pinch roller, and move forward, and then finished the welding of stirrup and vertical muscle by electrode body, other operations are undertaken by the conventional method of reinforcing cage welding.
11,, it is characterized in that electrode body is fixed in the radial position of fixed electrode when the circular reinforcing cage of processing according to the preparation method of claim 9 or 10 described pre-stressed concrete hollow square stakes; When the waney deformed bar cage of processing, electrode body is radially made elastic movement along fixed electrode, changes needs to adapt to the reinforcing cage radial dimension.
12, the preparation method of pre-stressed concrete hollow square stake according to claim 11, it is characterized in that electrode body is the cloth muscle direction of following stirrup around the fixed electrode center as circumferential movement, where stirrup is distributed to, where electrode body just follows along the winding direction of stirrup, leans on the elastic force effect of spring that electrode body is pressed on the stirrup all the time.
13, the preparation method of pre-stressed concrete hollow square stake according to claim 11 is characterized in that when the circular reinforcing cage of processing, electrode body is made constant speed along the stirrup outside and slided; When the waney deformed bar cage of processing, along with the position of the contact point of electrode body and stirrup radially the changing of fixed electrode, electrode body is made speedup and is slided or slow down slip along the stirrup outside.
14, the preparation method of pre-stressed concrete hollow square stake according to claim 9 is characterized in that the concrete procedure of processing of the slip welding method of reinforcing cage comprises:
End jumping-up that will vertical muscle will be indulged muscle again and send into and fixedly lead the muscle dish, and send into vertical muscle sheave again behind fixed electrode, and vertical muscle places on the outer peripheral face of fixed electrode some muscle grooves of leading of setting vertically;
The stirrup winding mechanism drives stirrup and rotates around fixed electrode, electrode body along the stirrup external surface with stirrup outside vertical muscle;
Electrode wheel rotates, driving is arranged on the central point and the electrode body on each vertical muscle central point connecting line direction of fixed electrode and rotates, or the drive electrode body slides along stirrup, be electrode body with stirrup when fixed electrode rotates, move radially along the central point of fixed electrode and the direction of each vertical muscle central point connecting line;
Spot welding is finished in conducting when electrode body, fixed electrode contact with stirrup at vertical muscle;
Electrode wheel is rotated further, and the drive electrode body rotates with stirrup or slides along stirrup, finishes the weld job of next vertical muscle and stirrup contact point;
Constantly repeat above-mentioned steps, the reinforcing cage of making is carried by the reinforcing cage connecting gear, up to whole reinforcing cage completion of processing.
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| CN101864771A (en) * | 2010-06-04 | 2010-10-20 | 缪立军 | Method for manufacturing prestressed hollow square pile |
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