CN102303075A

CN102303075A - Consumable-free self-connection construction method for light steel keels

Info

Publication number: CN102303075A
Application number: CN201110170383A
Authority: CN
Inventors: 张建忠; 周健; 沈菊芳; 钱瑛; 黄健
Original assignee: JIANGSU XIYANG HUALIAN BUILDING DECORATION CO Ltd
Current assignee: JIANGSU XIYANG HUALIAN BUILDING DECORATION CO Ltd
Priority date: 2011-06-23
Filing date: 2011-06-23
Publication date: 2012-01-04

Abstract

The invention relates to a consumable-free self-connection construction method for light steel keels, belonging to the technical field of building decoration and trim. The method comprises the following steps of: providing a handheld riveting clamp, wherein the handheld riveting clamp comprises a first handle, a second handle, a mold mechanism made by the cooperation of a male die and a female die, an ejection member, a female die driving mechanism, a tension rod and an elastic member; preparing before riveting, wherein riveting parts of a first keel and a second keel which are needed to be riveted together are mutually superposed by an operator; and riveting, wherein the first handle and the second handle are respectively held by the hands of the operator, so that the female die is in contact with the first keel, the male die is in contact with the second keel, the first keel and the second keel are pierced through the cooperation of the male die and the female die, the tension rod is used for acting on the female die driving mechanism, the female die driving mechanism is used for pressing the female die, and then turned-over edges which are formed at the pierced parts of the first keel and the second keel can be combined together in a superposing state. The consumable-free self-connection construction method for the light steel keels has the advantages of high construction efficiency and no construction noise and ensures that the construction site environment is clean and tidy and the work intensity for operators is low.

Description

The lightgage steel joist no material consumption is from connection construction method

Technical field

The invention belongs to decorating building and decorate technical field of construction, be specifically related to a kind of lightgage steel joist no material consumption from connection construction method

Background technology

lightgage steel joist is the carrier that makes up the building light partition wall, that is to say in the process that makes up light partition wall, at first need build the lightgage steel joist support.In the prior art; When lightgage steel joist is constructed; More particularly will fix with constructure body structure with the top keel such as the ground keel, vertically (vertically) keel are connected with ground keel and with the top keel, the punching keel are connected with vertical keel, stull (laterally) keel are connected with vertical (vertically) keel and even do in the operation process the installation of a nest hole processing, terminal box and penetration pipe; People often adopt tapping screw connection, self-plugging rivet to connect habitually or special-purpose fastener connects, and even adopt the mode of welding to be fixedly connected.

above-mentioned construction method existence is not limited to listed following defective: one of which; Condition to the construction site has fastidious property; No matter because be adopt tapping screw, self-plugging rivet or adopt special-purpose fastener connect fixing all need use electric tool for example power drill or similarly drilling equipment on keel, hole; And drilling equipment needs to be supported by power supply, otherwise can't construct.But, not only exists power supply to supply with abnormal situation decorate decorateing the job site, or have a power failure, or power supply needs away from operation field by tediously long cable-fed; They are two years old; The auxiliary material consumption is big; Cause construction cost to increase, for example use tapping screw, self-plugging rivet and/or special-purpose fastener or the like can consume securing member undoubtedly, lose the economy of construction operation and economizing type, the energy-saving economic spirit advocated with the present whole society are incompatible; Its three, therefore efficiency of construction is low, influences the progress of engineering, if two keel connections fixed to one another will be needed the process that is connected with securing member through boring; Its four, the job site environment is poor because when adopting the self-plugging rivet rivet clasp, it promptly is to be lost one's dignity in the construction site that the nail bar on self-plugging rivet of coming off is bowed one's head; They are five years old; Waste energy and to lose security and constructor's labour intensity big and be attended by noise pollution; Because the drilling equipment to keel boring needs consumed power; Again because, also need apply bigger active force constantly because constructor's hand held drilling device is drilled with in the process that is fixedly connected the hole keel if the limbs that careful meeting undermines the constructor are owed in operation to drilling equipment.

In view of above-mentioned prior art, be necessary to improve, for this reason, the applicant has done time consuming positive trial, and the technical scheme that will introduce produces under this background below

Summary of the invention

task of the present invention is to provide a kind of and need not to rely on power supply and use the fastidious property of avoiding the job site Power Supplies Condition; Need not employing and use embodiment economizing type and energy-saving spirit such as tapping screw, self-plugging rivet, special-purpose fastener or welding material; Help to improve efficiency of construction and use and speed up the work, help ensureing the clean environment of job site and alleviate operator's operation intensity and lightgage steel joist no material consumption that noiseless produces from connection construction method.

Task of the present invention is accomplished like this, and a kind of lightgage steel joist no material consumption may further comprise the steps from connection construction method:

A) equipped with a hand-held riveting clamp, the clamp includes a hand-held riveting first-hand to the upper hand to constitute a groove and a clamp jaws of the clamp heads, a The second handle, with first-hand the hinged connection, one from the male and female mold that fit into the mold body disposed in the clamp head, a male mold for driving the direction of the female mold moving the top member, rotatably disposed in the upper part of said second handle end, a means for driving said master mold to the direction of movement of the male mold master drive mechanism, movably disposed in said clamp head tank, a means for driving said drive mechanism operation master rod, one end of the rod drive mechanism is connected with the master, and the other end connected to said second handle, and a means for protection of the master reset elastic member disposed in the groove of the clamp head, and the contact with said female mold, wherein: said male mold member toward the top end of said composition having a diameter larger than the diameter of the male mold the plug, the plug toward the side surface of the top member and the top member is provided with a top member adapted recess in said clamp groove wall of a pair of grooves facing each other and in the position of the pulley is provided with a guide groove in said female mold side and in the corresponding portion of the guide groove of the pulley is provided with a coaxial guide pulley, guide pulley and guide pulley groove rolling groove wall constituting sub;

B) prepare before the riveting, will need rivet clasp first keel and the rivet clasp position of second keel together to coincide together each other, and steps A by the operator) described in jaw correspond to first keel that coincide together each other and the rivet clasp position of second keel;

C) rivet clasp; Hold described first-hand handle and second-hand's handle respectively by operator's both hands; And second-hand's handle is drawn close towards first-hand direction; Probe under the effect of head part groove to said male model at head part; Master mold is contacted with said first keel; Said male model is contacted with described second keel; And in male model is embedded into master mold; By public affairs; Cooperatively interacting of master mold and with first; Second keel each other corresponding to public affairs; The position of master mold punctures; Continuing the second-hand when first-hand direction is drawn close; By pull bar to the effect of master mold driving mechanism; By the master mold driving mechanism master mold is exerted pressure, the flange that punctures position formation of first keel and second keel is combined with closed state.

in a concrete embodiment of the present invention, steps A) described in binding clip the below and offer the male model hole at position corresponding to described jaw, described male model is located in the male model hole and along the male model hole and moves up and down.

are in another concrete embodiment of the present invention; Steps A) the second-hand's handle described in constitutes a pair of articulated jib with the end that first-hand handle is hinged; Constitute hinge cavity between a pair of articulated jib; Described first-hand handle be inserted in the hinge cavity with the second-hand hinged; And; End at a pair of articulated jib respectively is formed with a presser feet and a head part pivot pin; Head part pivot pin is corresponding to the below of presser feet; Described head part rotatably hub setting on a pair of head part pivot pin; The upper end of said male model constitutes a drift; And said master mold offers a drift chamber towards an end of drift and at the position corresponding to drift, matches with drift in this drift chamber.

in another concrete embodiment of the present invention, described head part is a roller disk.

in another concrete embodiment of the present invention, the shape of described drift is the ∧ font, and the shape in said drift chamber is in the shape of the letter V.

also have among the concrete embodiment of the present invention; Steps A) the master mold driving mechanism described in comprises first connecting rod and second connecting rod; The middle part of first connecting rod is arranged on the nearly middle part of length direction of a pair of cell wall of said binding clip groove by the first bearing pin pivot; One end of first connecting rod is corresponding to the top of said master mold; The other end is corresponding with an end of described second connecting rod; The middle part of second connecting rod is arranged on a pair of cell wall of binding clip groove by the second bearing pin pivot; The other end of second connecting rod is connected with an end of described pull bar, and the other end of pull bar is connected with described second-hand's handle by pull bar adjustment seat.

are more of the present invention and among concrete embodiment; Steps A) elastic component described in is a spring; The lower end of this spring is bearing on the spring base in the binding clip groove, and the upper end of spring is bearing on the spring presser feet that extends on the top of said male model.

offer pull rod slot on the described pull bar adjustment seat in of the present invention and then concrete embodiment, described pull bar passes pull rod slot and is equipped with the adjustment nut.

of the present invention again more and among concrete embodiment, step B) described in first keel and the shape of cross section of second keel all take the shape of the letter U.

In again of the present invention and then concrete embodiment, step B) preparation comprises that also described preliminary treatment comprises any one in the following processing mode to the preliminary treatment at the rivet clasp position of first keel and/or second keel before the riveting described in:

A) on first web of first keel, offer center hole, second keel are passed described center hole;

b) second web at the two ends of removal second keel; Respectively form a pair of parallel wing that connects at the two ends of second keel; To connect the wing and overlap with first keel, wherein, the length of second web of removal is suitable with the width of the sidewall of first keel.

technical scheme provided by the invention need not to rely on the power supply of operation field and need not to use securing member or welding material and first, second keel can being combined fast and reliably; Not only have the strong point of efficiency of construction height, no construction noise, and have the clean and tidy and low characteristics of operator's operation intensity of job site environment of guaranteeing.

Description of drawings

Fig. 1 is the structure chart of the hand-held riveting pincers that the inventive method was equipped with.

Fig. 2 is the first embodiment sketch map that the inventive method is implemented first, second keel the riveted joint process.

Fig. 3 is the second embodiment sketch map of the inventive method.

Fig. 4 is the 3rd embodiment sketch map of the inventive method.

Fig. 5 is the 4th embodiment sketch map of the inventive method.

Fig. 6 is the 5th embodiment sketch map of the inventive method.

Fig. 7 is the 6th embodiment sketch map of the inventive method.

Fig. 8 is the 7th embodiment sketch map of the inventive method.

Fig. 9 is the 8th embodiment sketch map of the inventive method.

Figure 10 is the 9th embodiment sketch map of the inventive method.

The specific embodiment

The beneficial effect of the inventive method can further be understood in for the auditor that the makes Patent Office especially public; With the following examples specific embodiments of the present invention is described in detail; But the description of embodiment does not constitute the restriction to technical scheme of the present invention, and any type of but not equivalence essence is replaced and all should be considered as the technical scheme scope that the present invention is disclosed and requirement is protected.

Embodiment 1:

Fig. 1 and Fig. 2 are asked for an interview in .

A) is equipped with hand-held riveting pincers; The concrete structure of these hand-held riveting pincers is disclosed by Fig. 1; Ask for an interview Fig. 1; Provided one first-hand 1; Therefore consider the comfortableness of under user mode, holding when pinching, be equipped with nonmetallic first sheath 12 in this first-hand bottom 1, preferred but not material first sheath 12 that is limited to is plastics or nylon or rubber; Present embodiment is selected plastics, and also constitutes the first anti-skidding flange 121 on the surface of first sheath 12; First-hand top 1 constitutes binding clip 11, and on binding clip 11, offers binding clip groove 111, and this binding clip groove 111 also can be described as the binding clip chamber; First-hand nearly middle part 1 is connected 2 with the following second-hand that also will be described in detail.With present location status shown in Figure 1 is example (as follows), on a pair of cell wall of binding clip groove 111 and in the position to correspond to each other, respectively offers a slide guide race 1111, and in binding clip groove 111, also constitutes a spring base 1112.The second-hand that shape constitutes 7 fonts on the whole is equipped with second sheath 22 with second anti-skidding bead 221 to 2 bottom equally, and the mechanism of action is with the description to first sheath 12; The second-hand constitutes a pair of shape structure and the on all four articulated jib 21 of function to 2 upper end; Form hinge cavity 211 between a pair of articulated jib 21; First-handly be inserted in 1 in the hinge cavity 211, the second-hand be connected the nearly middle part of 2 a pair of articulated jib 21 with first-hand nearly middle part 1 with the 3rd bearing pin 23.End at a pair of articulated jib 21 is that right-hand member shown in Figure 1 respectively constitutes a presser feet 212 and respectively constitutes a head part pivot pin 213.On a pair of head part pivot pin 213, be pivoted through the 4th bearing pin 31 head part 3 promptly is set rotationally, preferred head part 3 adopts the disc rollers.From figure, can see the disc roller between a pair of head part pivot pin 213, and slightly to lean out the end of head part pivot pin 231.

Fig. 1 please be continued to see in ; Provided preferred and be not the mold mechanism 4 that definitely is limited to; This mold mechanism 4 comprises the public affairs that are made into each other using; Master mold 41; 42; Male model 41 is set in the male model hole 112 that the below of binding clip 11 and the side that takes over (shown in Figure 1 be example) offered; Male model hole 112 is corresponding to the below of the jaw 113 of binding clip groove 112; The lower end of male model 41 is promptly established towards the end expansion of aforesaid head part 3 and is constituted the diameter top 411 bigger than the diameter of male model 41; This top 411 also promptly comes directly towards 411 bottom surface and offers a head part groove 4111 towards the surface of a side of head part 3, this head part groove 4111 supplies aforesaid head part 3 to probe into.

are because head part 3 is the disc roller; Therefore can cooperate with suitable head part groove 4111 close friends of the thickness of head part 3 with width; Head part 3 the beat situation can not occur; Make the power that acts on the male model 41 be able to concentrate, the key problem in technology that the hand-held riveting that this structure is equipped with the inventive method clamps.The upper end of male model 41 constitutes drift 412; And on drift 412, be formed with first inclined-plane 4121 that occurs with people's word state; Undoubtedly; The effect that sword is being taken on first inclined-plane 4121; Make drift 412 show as the ∧ font according to this shape, pierce through at first, second keel 8,9 (Fig. 2 shows) of≤0.5 ㎜ usually by its thickness that will connect.The both sides of master mold 42 and respectively be coaxially arranged with slide guide wheel 422 at position corresponding to aforesaid slide guide race 1111; This slide guide wheel 422 should match with the already mentioned slide guide race 1111 in front; Position placed in the middle below master mold 42 is processed with and is used for the drift chamber 421 suitable with the drift of described male model 41 412; In the present embodiment; The shape in drift chamber 421 is chosen as the ∧ font; This shape obviously is used for repaying drift 412, and the corresponding wall in drift chamber 421 constitutes second inclined-plane 4211 that matches with first inclined-plane 4121.Extending in the left side at the top of master mold 42 has a spring presser feet 423; By the figure finding; Be provided with elastic component 7 on the spring base 112 in binding clip groove 111; The elastic component 7 that present embodiment is recommended is spring; And the lower end of spring is bearing on the spring base 1112, the upper end of spring then is bearing on the lower plane of spring presser feet 423.

the applicant makes the operator laborsaving through to be that each the coaxial setting of both sides of master mold 42 and the slide guide wheel 422 of slide guide race 1111 formation rolling pairs can embody the effect that reduces resistance on the master mold 42 ultimate attainmently.

Fig. 1 is please still seen in ; The master mold driving mechanism of recommending 5 comprises first connecting rod 51 and second connecting rod 52; First connecting rod 51 integral body are arranged in binding clip groove 111; Specifically: the middle part of first connecting rod 51 is by the nearly middle part hub setting of first bearing pin 511 with the length direction of a pair of cell wall of binding clip groove 111; One end of first connecting rod 51 is right-hand member shown in Figure 1 top corresponding to master mold 42; Make master mold 42 descending by the effect of this end; And make master mold 42 up by resetting of elastic component 7; The end that the other end of first connecting rod 51 is illustrated left end with shape is preferably the second connecting rod 52 of ∨ shape is that the top of illustrated right-hand member is corresponding; The middle part of second connecting rod 52 is by a pair of cell wall hub setting of second bearing pin 521 with binding clip groove 111, and the other end of second connecting rod 52 to be illustrated left end offer a pull bar connecting hole 522.The upper end of pull bar 6 bends and passes pull bar connecting hole 522 and limits and realize being connected with second connecting rod 52 with split pin 63 again; The lower end of pull bar 6 is connected 2 with the second-hand through pull bar adjustment seat 61; Pull bar adjustment seat 61 is fixed on the second-hand on 2; And on pull bar adjustment seat 61, offer pull rod slot 611, the lower end of pull bar 6 is passed pull rod slot 611 backs and is limited on adjustment nut 62.The effect that adjusting adjustment nut 62 can make pull bar 6 is apart from change; And then the effect that makes second connecting rod 52 is apart from variation; Up to obtaining the suitable power that acts on first connecting rod 51 by second connecting rod 52; Make the traverse of 51 pairs of master molds of first connecting rod, 42 effects change to rational degree, the rational degree of being said here depends primarily on the gross thickness (Fig. 2 shows) of first, second keel 8,9 that are used to connect.If the rigidity of first, second keel 8,9 big (comprising material thickness and material), the descending stroke of master mold 42 is big so, and vice versa, therefore need embody through the fine setting of adjustment nut 62;

B) prepare before the riveting; Specifically illustrate by Fig. 2; First keel 8 that the shape of cross section that will need rivet clasp to link together by the operator all takes the shape of the letter U are in the same place with the rivet clasp position of second keel 9 against each other; Promptly coincide together each other, with steps A) in and be registered to first keel 8 that coincide together each other and the rivet clasp position of second keel 9 by the jaw 113 of Fig. 1 signal;

C) rivet clasp; Hold first-hand 1 and another holds the second-hand 2 by operator one; And the second-hand is drawn close 2 towards first-hand direction 1; Probe at head part 3 (male model 41 is towards the direction motion of master mold 42) under the effect of 4111 pairs of male models 41 of head part groove; Master mold 42 is contacted with first keel 8; Male model 41 is contacted with second keel 9; When the drift 412 of male model 41 is embedded in the drift chamber 421 of master mold 42; By public affairs; Master mold 41; 42 cooperatively interact and with first; Second keel 8; 9 each other corresponding to public affairs; Master mold 41; 42 position punctures; When continuation actuating second-hand moves the first-hand direction 1 of 2 courts; The left end of pull bar 6 pulling second connecting rods 52; Lift by the right-hand member of second connecting rod 52 left end first connecting rod 51; Make the right-hand member compressing master mold 42 of first connecting rod 51; Overcome at master mold 42 and make master mold 42 under the active force of elastic component 7 towards male model 41 motions; By 424 compressings of the lower surface of master mold 42 by drift 412 thorns saturating first; Second keel 8; First of 9 back generations; Second keel 8; 9 crimping (flange); Crimping is closely linked, thereby realizes first; Second keel 8; Connection between 9.Handle the second-hand round about 2, male model 41 moves down, and master mold 42 is up under the effect of elastic component 7, and jaw 13 is withdrawed from from first, second keel 8,9, and the rest may be inferred, up to the connection of the interface of accomplishing requirement.Can be known that by present embodiment in the process that first, second keel 8,9 are connected, need not use any auxiliary material, noiseless connects reliably, efficiency of construction can improve more than 3 times than prior art.

Embodiment 2:

Fig. 3 is asked for an interview in .

are at step B) in, vertical keel are as first keel 8, and the ground keel are as second keel 9, and the end of first keel 8 is overlapped with second keel 9.All the other are all with the description to embodiment 1.

Embodiment 3:

Fig. 4 is asked for an interview in .

are at step B) in; Two vertical keel that needs are connected are as first keel 8; The connection keel that will be used to connect two vertical keel are as second keel 9; One first keel 8 on the top in one end (upper end) of second keel 9 and two first keel 8 are overlapped, and one first keel 8 of the bottom in the other end (lower end) of second keel 9 and two first keel 8 are overlapped.All the other are all with the description to embodiment 1.

Embodiment 4:

Fig. 5 is asked for an interview in .

are at step B) in; With a pair of not only each interval but also vertically parallel each other vertical keel as first keel 8; The punching keel that will be used to connect a pair of vertical keel are as second keel 9; Promptly respectively offer center hole 811 on first web 81 of first keel 8 and in the position to correspond to each other at a pair of vertical keel; Second keel 9 are passed center hole 811, and a side sidewall of second keel 9 is overlapped with a side sidewall of first keel 8.All the other are all with the description to embodiment 1.

Embodiment 5:

Fig. 6 is asked for an interview in .

are at step B) in; With a pair of not only each interval but also vertically parallel mutually vertical keel as first keel 8; With the stull keel as second keel 9; And remove second web 91 at the two ends of second keel 9; Respectively form a pair of parallel wing 92 that connects at the two ends of second keel 9; To connect the wing 92 and overlap with first keel 8, wherein, the length of removing second web 91 of (wiping out) equates with the width of the sidewall of first keel 8.All the other are all with the description to embodiment 1.

Embodiment 6:

Fig. 7 is asked for an interview in , and present embodiment connects to door-window opening.

are at step B) in, the door opening centre keel as first keel 8, as second keel 9, and is bent into the lintel keel illustrated shape with second keel 9 and overlaps with first keel 8 after wiping out the side plate of bending part (sidewall).All the other are all with the description to embodiment 1.

Embodiment 7:

Fig. 8 is asked for an interview in .

are at step B) in, will add vertical keel as first keel 8, will add the diagonal brace keel and additional stull keel are referred to as second keel 9.All the other are all with the description to embodiment 1.

Embodiment 8:

Fig. 9 is asked for an interview in .

present embodiment is greater than the reinforcement (enhancing) that is fixed in the steel frame 10 between ceiling 20 and the terrace 30 of 220 ㎝ to width of cave entrance.

are at step B) in, the reinforcement centre keel as first keel 8, as second keel 9, is overlapped with first, second keel 8,9 the horizontal keel of reinforcement with riveted joint position on the steel frame 10.All the other are all with the description to embodiment 1.

Embodiment 9:

Figure 10 is asked for an interview in .

present embodiment is to the installation of terminal box and penetration pipe; Because terminal box generally is installed in the position, boundary of lateral keel and vertical keel, utilize the metal shell of terminal box to be connected with the web of lateral keel respectively in the time of fixedly with vertical keel.Again, when spool passes keel, need fluting or hole on keel, therefore cause cross section to weaken, intensity reduces, thereby at the position of offering groove or hole the enhancing keel should be set, and uses the intensity that guarantees original vertical, horizontal keel.Specific as follows:

are at step B) in will offer the vertical keel of threading tube seat as first keel 8; On these vertical keel 8, offer and be used to first slot to make way 82 that supplies penetration pipe 40 to pass; To strengthen keel as second keel 9; On these second keel 9 and offer second slot to make way 93 corresponding to the position of first slot to make way 82, second keel 9 are overlapped with first keel 8.All the other are all with the description to embodiment 1.

Nine embodiment have been lifted though the present invention just lists in , do not receive the restriction of the foregoing description.In a word, technical scheme provided by the invention has remedied the shortcoming in the prior art, has reached goal of the invention, has embodied ultimate attainment technique effect

Claims

1. a lightgage steel joist no material consumption is characterized in that may further comprise the steps from connection construction method:

A) be equipped with hand-held riveting pincers; These hand-held riveting pincers comprise a first-hand handle (1); The top of this first-hand handle (1) constitutes the binding clip (11) with a binding clip groove (111) and jaw (113); One second-hand is (2); Be connected with first-hand handle (1); One mold mechanism (4) that is fitted in by male and female mould (41,42); Be configured on the described binding clip (11); One is used to order about the head part (3) of described male model (41) to the direction motion of master mold (42); Be arranged on described second-hand rotationally an end on (2) top; One is used to order about the master mold driving mechanism (5) of described master mold (42) to the direction motion of male model (41); Movably be arranged in the described binding clip groove (111); One pull bar (6) that is used to order about described master mold driving mechanism (5) action; One end of this pull bar (6) is connected with master mold driving mechanism (5); The other end is connected described second-hand on (2); One is used to the elastic component (7) that ensures that said master mold (42) resets; Be located in the described binding clip groove (111); And contact with described master mold (42); Wherein: constitute the diameter top (411) bigger towards an end of said head part (3) than the diameter of male model (41) at described male model (41); This top (411) offers and the adaptive head part groove (4111) of head part (3) towards a side surface of head part (3); On a pair of cell wall of described binding clip groove (111) and in the position that faces each other, respectively offer a slide guide race (1111); Respectively be coaxially arranged with slide guide wheel (422) in the both sides of described master mold (42) and at the position corresponding to said slide guide race (1111), slide guide wheel (422) constitutes rolling pair with the cell wall of slide guide race (1111);

B) prepare before the riveting; To need rivet clasp first keel (8) and the rivet clasp position of second keel (9) together to coincide together each other by the operator, and with steps A) described in jaw (113) correspond to first keel (8) that coincide together each other and the rivet clasp position of second keel (9);

C) rivet clasp; Hold described first-hand handle (11) and second-hand's handle (2) respectively by operator's both hands; And the second-hand is drawn close (2) towards the direction of first-hand handle (1); Probe under the effect of head part groove (1111) to said male model (41) at head part (3); Master mold (42) is contacted with said first keel (8); Said male model (41) is contacted with described second keel (9); And in male model (41) is embedded into master mold (42); By public affairs; Master mold (41; 42) cooperatively interact and with first; Second keel (8; 9) each other corresponding to public affairs; Master mold (41; 42) position punctures; Continue with the second-hand (2) when the direction of first-hand handle (1) is drawn close; By pull bar (6) master mold driving mechanism (5) is acted on; By master mold driving mechanism (5) master mold (42) is exerted pressure, the flange that punctures position formation of first keel (8) and second keel (9) is combined with closed state.

2. lightgage steel joist no material consumption according to claim 1 is from connection construction method; It is characterized in that steps A) described in binding clip (11) the below and offer male model hole (112) at position corresponding to described jaw (113), described male model (41) is located in the male model hole (112) and along male model hole (112) and moves up and down.

3. lightgage steel joist no material consumption according to claim 1 is from connection construction method; It is characterized in that steps A) described in the second-hand end that (2) and first-hand handle (1) are hinged is constituted a pair of articulated jib (21); Constitute hinge cavity (211) between a pair of articulated jib (21); Described first-hand handle (1) is inserted in the hinge cavity (211) hinged (2) with the second-hand; And; End at a pair of articulated jib (21) respectively is formed with a presser feet (212) and a head part pivot pin (213); Head part pivot pin (213) is corresponding to the below of presser feet (212); Described head part (3) rotatably hub setting on a pair of head part pivot pin (213); The upper end of said male model (41) constitutes a drift (412); And said master mold (42) offers a drift chamber (421) towards an end of drift (412) and at the position corresponding to drift (412), matches with drift (412) in this drift chamber (421).

According to claim 1 or 3 described lightgage steel joist no material consumptions from connection construction method, it is characterized in that described head part (3) is a roller disk.

5. lightgage steel joist no material consumption according to claim 3 it is characterized in that the shape of described drift (412) is the ∧ font, and the shape in said drift chamber (421) is in the shape of the letter V from connection construction method.

6. lightgage steel joist no material consumption according to claim 1 is from connection construction method; It is characterized in that steps A) described in master mold driving mechanism (5) comprise first connecting rod (51) and second connecting rod (52); The middle part of first connecting rod (51) is arranged on the nearly middle part of length direction of a pair of cell wall of said binding clip groove (111) by first bearing pin (511) pivot; One end of first connecting rod (51) is corresponding to the top of said master mold (42); The other end is corresponding with an end of described second connecting rod (52); The middle part of second connecting rod (52) is arranged on a pair of cell wall of binding clip groove (111) by second bearing pin (521) pivot; The other end of second connecting rod (52) is connected with an end of described pull bar (6), and the other end of pull bar (6) is connected (2) with described second-hand by pull bar adjustment seat (61).

7. lightgage steel joist no material consumption according to claim 1 is from connection construction method; It is characterized in that steps A) described in elastic component (7) be spring; The lower end of this spring is bearing on the spring base (1112) in the binding clip groove (111), and the upper end of spring is bearing on the spring presser feet (423) that extends on the top of said male model (41).

8. lightgage steel joist no material consumption according to claim 6 is characterized in that offering pull rod slot (611) on the described pull bar adjustment seat (61) from connection construction method, and described pull bar (6) passes pull rod slot (611) and is equipped with adjustment nut (62).

9. lightgage steel joist no material consumption according to claim 1 is characterized in that step B from connection construction method) described in first keel (8) and the shape of cross section of second keel (9) all take the shape of the letter U.

10. lightgage steel joist no material consumption according to claim 1 is from connection construction method; It is characterized in that step B) described in riveting before preparation comprise that also described preliminary treatment comprises any one in the following processing mode to the preliminary treatment at the rivet clasp position of first keel (8) and/or second keel (9):

A) on first web (81) of first keel (8), offer center hole (811), second keel (9) are passed described center hole (811);

B) second web (91) at the two ends of removal second keel (9); Respectively form a pair of parallel wing (92) that connects at the two ends of second keel (9); To connect the wing (92) overlaps with first keel (8); Wherein, the length of second web (91) of removal is suitable with the width of the sidewall of first keel (8).