Standard Bailey truss assembling type jacking formwork system

[0066] Example 1

[0067] Such as figure 1 , 2 , 3 and 10, a standard Bailey frame assembled jacking formwork system is mainly composed of a truss platform system I, a suspension system II and a power support jacking system III. The power support jacking system III It is fixedly supported on the core tube wall 10, and its upper part is connected to the truss platform system I through the lattice support steel column 7, and the suspension system II is hung on the truss platform system I;

[0068] The truss platform system I is mainly composed of a number of standard berets 1, which are connected to each other and assembled to form primary and secondary trusses 101, 102; the main trusses 101 are connected vertically and horizontally through the beret Connected into a main frame, connected to a rectangular peripheral frame 103 on the periphery of the main frame through the standard Beret 1, between the main truss 101 and the main truss 101 and between the main truss 101 and the peripheral frame 103, there are secondary The truss 102, the main truss 101, the secondary truss 102, and the peripheral frame 103 together form a truss platform system I of a lattice-shaped structure; the main truss 101, the secondary truss 102 and the peripheral frame 103 are connected by a male and female connector 104 The Bailey frame connector 2 is connected to the upper end of the lattice supporting steel column 7.

[0069] The suspension system II mainly includes a protective operation frame 3 and a template 4. The protective operation frame 3 and the template 4 are both suspended on the lower chord of the standard Bailey frame 1, and the template 4 is located on the core tube wall 10 Right above, the protective operation frame 3 is distributed on both sides of the template 4.

[0070] The power support jacking system III mainly includes upper and lower two layers of box girder 9, both ends of each layer of box girder 9 are fixed on the core tube wall 10, and a jacking cylinder 5 is passed between the upper and lower two layers of box girder 9 They are connected to each other, and a lattice supporting steel column 7 is fixedly connected to the box girder 9 on the upper layer.

[0071] A number of I-beams are connected between the horizontal standard Bailey frames 1 of the truss platform system I.

[0072] Such as Figure 4 , 5 As shown in 6, the Bailey frame connector 2 is mainly composed of an upper connecting plate 201, a lower connecting plate 202 and a supporting square 203; the upper connecting plate 201 is a square plate structure, and four sides are provided with four The connecting plate male and female joints 204, 205 that match the male and female joints of the upper and lower chords of the standard type Bailey frame 1; two adjacent sides of the upper connecting plate 201 are provided with connecting plate female joints 204, and the remaining two sides There is a connecting plate male connector 205; each of the connecting plate female and male connectors 204, 205 is provided with a pin hole; the lower connecting plate 202 and the upper connecting plate 201 have the same shape and structure; the upper connecting plate 201 and the lower The connecting plates are respectively fixed on the upper and lower ends of the supporting square, and the positions correspond to each other; the main truss 101 is composed of four rows of standard beret frames 1, and the male and female joints at the ends of the standard beret frames 1 of each row pass The pin shaft is connected with the male and female joints 204 and 205 of the connecting plate.

[0073] The lower connecting plate 202 is provided with a plurality of bolt holes for fixed connection with the lattice supporting steel column 7 on the plate surface, and the lower connecting plate 202 is fixedly connected to the upper end of the lattice supporting steel column 7 by bolts.

[0074] A circular hole is opened in the center of the upper connecting plate 201 or/and the lower connecting plate 202.

[0075] The upper connecting plate 201 and the lower connecting plate 202 are both thickened steel plate integrally formed structure or cut from thickened steel plate.

[0076] The supporting square pass 203 is mainly composed of four identical angle steels, and the four angle steels are placed vertically to form a square; each two adjacent angle steels are welded and connected by four cross-arranged steel bars; the upper connection The plate 201 and the lower connecting plate 202 are respectively welded to the upper and lower ends of the four angle steels, and the welding points are located at the four corners of the upper connecting plate 201 and the lower connecting plate 202.

[0077] The specific process of connecting the Bailey connector 2 and the main truss 101 (ie the standard Bailey frame 1) (such as Figure 4 , 5 , 5): (1) Clamp the female connector or male connector at one end of the standard Bailey frame 1 into the male connector 205 or female connector 204 of the upper connecting plate 201 and the lower connecting plate 202, and then Use a Bailey pin to pass through the pin holes of the two at the same time and fix the two; (2) Weld a square steel plate on the upper end of the jacking column, and then open the steel plate with the bolt hole on the lower connecting plate 202. Corresponding bolt holes, and finally connect the two with bolts.

[0078] Such as Figure 7 , 8 9. As shown in 9, the male and female connector 104 includes a female connector and a male connector. The female connector includes a connecting plate 105. Both ends of the connecting plate 105 are provided with a standard type Bailey frame 1 chord bolt connection The bolt hole 106 of the connecting plate 105 is provided with two plate-shaped connectors 108 in the middle of the outer side of the connecting plate 105. The two plate-shaped connectors 108 are vertically distributed in parallel. The two plate-shaped connectors 108 and the connecting plate 105 together form a square groove (The shape and size of the groove should match the shape and size of the chord male joint); the two plate-shaped connectors 108 are provided with pin holes (the position of the pin hole should be the same as the chord male joint Corresponding to the pin hole);

[0079] The male connector includes a connecting plate 105. Both ends of the connecting plate 105 are provided with bolt holes 106 for bolting with the standard Bailey frame 1 chord. The middle part of the outer side of the connecting plate 105 is provided with a block connector 107 (so Shows that the shape and size of the block connector 107 should match the groove at the chord female joint), the block connector 107 is provided with a horizontal pin hole (the position of the pin hole is the same as the chord The pin hole on the female connector corresponds to).

[0080] The female connector and the male connector shown are both integrally formed structures or formed by welding and splicing.

[0081] The specific method of connecting the standard Bailey frame 1 through the male and female connector 104 (such as Figure 7 , 8 , 9): (1) First open a pair of bolt holes on the upper and lower chords of a standard Bailey frame 1; (2) Connect the processed female and male connector 104 to the side of the chord with bolts; (3) Align and fix the chord male and female joint on the other standard Bailey frame 1 with the male and female connector 104, and use a pin to pass through the pin hole on the chord male and female joint and the male and female connector 104 It is fixedly connected by the pin hole on the upper part.

[0082] Example 2

[0083] Such as figure 1 , 3 As shown, the upper and lower box beams 9 in the power support jacking system III are connected to each other by a pair of jacking cylinders 5, which are symmetrically distributed along the center line of the box beam 9; the jacking cylinders 5 The upper and lower box girder 9 are connected by flange bolts, the flange and the box girder 9 are connected by welding, the jacking cylinder 5 is covered with a steel tube (the steel tube protects the jacking cylinder 5), and the steel tube is connected to the upper layer The box girder 9 is welded and connected; the upper box girder 9 is fixedly connected with two lattice support steel columns 7, and the two lattice support steel columns 7 are respectively located directly above a pair of jacking cylinders 5; the box girder 9 Corbels 901 (the corbels 901 are inserted into the preset holes on the core tube wall 10) are both connected to both ends of the telescopic cylinder 6.

[0084] The power support jacking system III also includes a pair of guide pillars 8 located inside the jacking cylinder 5. Each guide pillar 8 is welded to the lower box girder 9 through flanged steel plates, and the upper box girder 2 is welded to There are two chutes, and the guide column 8 slides in the chute (the lifting cylinder 5 drives the upper box girder 9 to rise, the chute and the upper box girder 9 rise together, and the lower box girder 9 is lifted after the jacking is completed. , The jacking cylinder 5 shrinks to drive the lower box girder 9 to lift, the guide post 8 and the lower box girder 9 are raised at the same time, and the guide post 8 slides in the chute).

[0085] Said standard-type Bailey frame assembled jacking formwork system includes three groups of power support jacking systems Ⅲ arranged parallel to each other; in the truss platform system I, six Bailey frame connecting pieces are passed between the main trusses 101 2 is connected longitudinally and horizontally to form a main frame, and the six Bailey frame connectors 2 are respectively connected to the six lattice support steel columns 7 in the three groups of power support jacking systems III. The secondary truss 102 is crisscrossed and connected between the main truss 101 and the peripheral frame 103.

[0086] The jacking cylinder 5 controls the jacking pressure and stroke of the jacking cylinder 5 through the PLC system to achieve the purpose of synchronous lifting of a pair of jacking cylinders 5; the telescopic cylinder 6 can also control the jacking pressure of the jacking cylinder 5 through the PLC system Synchronize with the stroke.

[0087] The jacking cylinder 5 adopts a multi-pivot long-stroke hydraulic cylinder, and the synchronization of the jacking pressure and stroke of the hydraulic cylinder is controlled and monitored through a centralized console; the hydraulic cylinder is lifted one floor height at a time.

[0088] Example 3

[0089] Such as Figure 10-14 As shown, the protective operation frame 3 includes a plurality of single-layer pylons connected from top to bottom, and the single-layer pylon located on the top is hung on the lower chord of the standard Bailey frame 1; The frame includes four vertical rods 301, two horizontal rods 303, a scaffolding board 304, a facade protection net 305, and an inner flap 306. The lower end of each vertical rod 301 is provided with a vertical rod connector 302. The upper end of the connecting piece 302 is telescopically and fixedly connected with the lower end of the vertical rod 301; the four vertical rods 301 are in groups of two, each group of two vertical rods 301 are fixedly connected by a cross rod 303, and both ends of the cross rod 303 They are respectively detachably and fixedly connected to the middle of the vertical rod connector 302 at the lower end of the two vertical rods 301, and the two vertical rods 301 in each group are arranged vertically, parallel and symmetrically; the two groups of vertical rods 301 pass a scaffold plate 304 and a facade protection net 305 is connected into a whole, the two sets of vertical rods 301 are arranged in parallel and symmetrically, the two ends of the scaffold plate 304 are detachably fixed on the two cross rods 303, and the two ends of the facade protection net 305 are detachably fixed on On the two outer vertical rods 301; the inner flap 306 is arranged on the vertical rod connector 302 of the inner two vertical rods 301, and is located on the inner side of the scaffold board 304, and both ends of the inner flap 306 are detachable Fixed in the middle of the two vertical pole connecting pieces 302;

[0090] The multiple single-layer pylons are detachably and fixedly connected, and the upper ends of the four vertical poles 301 of the single-layer pylon located below of the two adjacent single-layer pylons are respectively connected to the four poles of the single-layer pylon located above. Two vertical pole connectors 302 can be telescopically fixed and connected, and the facade protective net 305 is located on the same side; the upper ends of the four vertical poles 301 of the single-layer pylon located on the top are all hung on the lower chord of the standard Bailey frame 1. .

[0091] The vertical rod connector 302 is T-shaped, and its three ends are provided with bolt holes, and the upper and lower ends are each provided with a plurality of bolt holes; the vertical rod 301 and the cross rod 303 are both hollow structures, and The upper and lower ends of the vertical rod 301 are vertically and evenly provided with a plurality of bolt holes, and the two ends of the cross rod 303 are provided with bolt holes; the upper end of the vertical rod connector 302 is inserted into the lower end of the vertical rod 301 and passes through Bolt fixed connection; the end of the middle part of the vertical pole connector 302 is inserted into one end of the cross bar 303, and is fixedly connected by bolts; when two adjacent single-layer hangers are connected, the upper single-layer hanger The lower end of the vertical rod connector 302 is inserted into the upper end of the vertical rod 301 of the single-layer hanger located below, and is fixedly connected by bolts;

[0092] The facade protection net 305 includes a protection net frame 308 and an aluminum protection net 307. The protection net frame 308 is made of aluminum flat pass into a lattice shape, and the aluminum protection net 307 is fixed to the protection net by beading and rivets. On the frame 308 or welded to the protection net frame 308; the protection net frame 308 is fixedly connected to the pole 301 by bolts, and the height of the protection net frame 308 is equal to the height of the pole 301;

[0093] The vertical rod 301, the vertical rod connector 302, and the cross rod 303 are made of aluminum flat pass, the scaffold plate 304 is made of patterned aluminum plate, and the scaffold plate 304 and the cross bar 303 are fixedly connected by bolts.

[0094] The height of the protective operation frame 3 is three to four layers high, 500mm away from the 10 side of the core tube wall; the upper end of the protective operation frame 3 is hung on the standard Bailey frame 1 by moving pulleys, The pulley adjusts the distance between the protective operation frame 3 and the core tube wall 10 to provide a corresponding operation space for mold ejection and template 4 cleaning. The template 4 adopts an aluminum alloy combined large template, which is fixed on the standard Bailey frame 1 by using wire ropes, a flower basket screw and an upper ring of the template, and is achieved by replacing or removing the wall corner template 4 when the wall changes.

[0095] Such as Figure 15 , 16 As shown in 17, the protective operation frame 3 also includes a size adjustment device, which includes a vertical protective net frame 310, a moving plate 320, a guide angle 350, a first guide channel 360 and a second guide channel 370; The lower end of the vertical protection net frame 310 is vertically and fixedly connected with the left end of the moving plate 320. The left and right ends of the lower surface of the moving plate 320 are provided with a plurality of vertical bearings 330 and horizontal bearings 340, and a plurality of vertical bearings 330 and horizontal The bearing 340 is arranged along the length direction of the moving plate 320; the guide angle steel 350 and the first guide channel steel 360 are respectively fixed on the left and right ends of the scaffold plate 304 of the protective operation frame 3, and the opening of the guide angle steel 350 faces upwards. The openings of the guide channel steel 360 face the guide angle steel 350 and are parallel to each other; the second guide channel steel 370 is fixed on the upper end of the pole 301 of the protective operation frame 3 and is located directly above the guide angle steel 350; the moving plate 320 The left and right ends are respectively located in the openings of the guide angle steel 350 and the first guide channel 360, and the multiple vertical bearings 330 and horizontal bearings 340 on the left and right ends of the moving plate 320 are respectively connected with the guide angle steel 350 and the first guide channel The steel 360 is in rolling contact; the upper end of the vertical protection net frame 310 is located in the opening of the second guide channel 370.

[0096] The upper surface of the first guiding channel 360 is provided with a plurality of bolt holes along the length direction, and the movable plate 320 is provided with a plurality of bolt holes corresponding to the positions, and the movable plate 320 is connected to the first through bolts. A guide channel 360 is fixed; the upper surface of the second guide channel 370 is provided with a plurality of bolt holes along the length direction, and the facade protection net frame 310 is provided with a plurality of bolt holes corresponding to the positions , And fix the facade protection net frame 310 and the second guide channel steel 370 by bolts;

[0097] The movable plate 320 is a rectangular structure fixedly connected by two long beams 380 and two short beams 381, and a plurality of cross beams 382 are fixedly connected between the two long beams 380; the upper surface of the rectangular structure is fixedly laid There is a panel 390; a plurality of vertical bearings 330 and horizontal bearings 340 are provided on the lower surface of each long beam 380;

[0098] The long beam 380, the short beam 381, and the cross beam 382 are all made of equilateral angle aluminum, and the openings are all facing downwards, the panel 390 is made of patterned aluminum plate; the opening of the long beam 380 is also facing inward; The inner ring of the vertical bearing 330 is fixedly provided with a connecting shaft, one end of the connecting shaft is welded to the inner surface of the side wall of the long beam 380; the inner ring of the horizontal bearing 340 is fixedly provided with a connecting shaft, One end of the shaft is welded to the lower surface of the upper wall of the long beam 380; the upper wall of the long beam 380 on the side of the first guide channel steel 360 is provided with a plurality of bolt holes.

[0099] How to make and use the size adjustment device (such as Figure 15 , 16 , 17):

[0100] 1) Connect the lower end of a facade protection net frame 310 and the left end of a moving plate 320 into an L shape by bolts;

[0101] 2) A plurality of vertical bearings 330 and horizontal bearings 340 are installed on the left and right ends of the lower surface of the moving plate 320, and the vertical bearings 330 and horizontal bearings 340 are evenly staggered and distributed;

[0102] 3) Fix a guide angle steel 350 and a first guide channel steel 360 on the left and right ends of the scaffold plate 304 with bolts, and they are parallel to each other;

[0103] 4) Insert the right end of the moving plate 320 into the first guide channel steel 360, and then slowly drop the left end of the moving plate 320 on the guide angle steel 350, so that multiple vertical bearings 330 and horizontal bearings 340 are combined with the guide angle steel 350 and the first Guide channel steel 360 contact;

[0104] 5) Sleeve the opening of a second guide channel steel 370 on the upper end of the vertical protection net frame 310, and fix the second guide channel steel 370 on the vertical pole 301 with bolts;

[0105] 6) Repeat the steps 1) to 5) above on each layer of the protective operation frame 3;

[0106] 7) Push the moving plate 320 on each floor to move along the length of the guide angle steel 350 and the first guide channel 360 until it exceeds the width of the protective operation frame 3 and reaches the width of the building facade;

[0107] 8) First fix the moving plate 320 with the first guide channel 360 with bolts, and then fix the facade protection net frame 310 with the second guide channel 370 with bolts, and finally complete the fixation of the entire device.