CN2474661Y - Quick assembling scaffold in furnace - Google Patents

Abstract

A furnace fast-install scaffold, particularly suiting for emergencies of rush repair, recondition and high altitude operation in furnaces of power plant and the like, substantially comprises a base jointed by pipe fittings, a side wing and a vertical truss, a horizontal tie and a diagonal tie are jointed into a square, an adjustable outrigger is plugged on a beam of the square base and a tower frame is sleeved. A side wing truss is arranged on the most upper end of a bottom inclined plane of the furnace to link with a vertical pipe of the tower frame and is inserted into a folded unit of the tower frame through a jacket. Footplates are equally arranged on the base, the side wing, the vertical truss and the tower frame plane and a crossing platform is equipped between two tower frames. The utility model has advantages of quick handling, light weight, stability and excellent safety.

Description

Fast-assembling scaffold in the stove

The utility model relates to fast-assembling scaffold in a kind of stove, is to establish base at boiler bottom, takes pylon fast and across platform, be specially adapted to the emergencies such as repairing, maintenance and work high above the ground in the boiler of power plant on base.

Boiler of power plant is in operation often to break down needs interim blowing out repairing, and most at present employing conventional approach are taken lift platform, and its defective is: the time is long, need about a week, and poor stability, economic loss is big.

The purpose of this utility model is, provides a kind of quick built, safe, durable for overcoming above-mentioned defective, also can be in the stove of stove external application the fast-assembling scaffold.

The technical measures that realization the utility model purpose is taked are as follows: this scaffold mainly comprises pedestal, flank, upright truss, connector: chuck, adjustable support leg, drag link, diagonal member, steering connector bar and modular connection by base; Pylon; Form across platform:

1. base: 1) pedestal truss, on parallel, the lower transverse beam pipe, be fixed on standpipe therebetween, inclined tube and the both sides rubber pad assembly closely connected in the boiler bottom inclined-plane constitutes, the lower transverse beam pipe is shorter than top rail pipe, top rail Guan Yousan section constitutes, place, two ends, stage casing is crimped with and vertically is the union of not a half circle, one end of symmetric sections is crimped with the vertical duct joint, not a half pipe joint with the two ends, stage casing is fixed into the top rail pipe respectively, two vertical duct joints are connected respectively with after the upper end socket of two standpipes, this two standpipe middle part is equipped with cylinder respectively, through rivet, diagonal member two ends, pedestal truss both sides respectively with the receptacle terminal crimping after be connected with crossbeam on plug connector peg graft, be connected, two diagonal members are provided with angle coupling, are connected with rubber pad perpendicular to its radial outside setting, and rubber pad and furnace bottom inwall inclined-plane are closely connected.Connecting and composing pedestal by two pedestal truss through drag link, diagonal member, is the stressed basis of scaffold; 2) the flank truss is the stressed basis of pylon, on parallel, grow, descend between short crossbeam pipe to be fixed with standpipe, inclined tube, one skew back pull bar is provided with angle coupling, be connected with rubber pad perpendicular to its radial outside setting, rubber pad and furnace bottom inwall inclined-plane are closely connected, one side is connected through the standpipe of positioning supports joint and ears joint and middle pylon, connects and composes one group of flank by 4 flank truss through drag link, diagonal member; 3) upright truss plays a supportive role, and stands for the people during installation and parks member.By parallel standpipe upward long, that lack two crossbeam pipes and be connected therebetween down, the rubber pad assembly formation closely connected that both sides are provided with boiler bottom inwall inclined-plane; 4) chuck is located on the top rail pipe of flank truss, and as pylon location datum, its position decide by the position of pylon in boiler, and chuck inserts the location benchmark by the alignment pin pipe and is connected with angle coupling in overlapping and constitutes; 5) adjustable support leg is arranged in four vertical pores of pedestal, is threaded by supporting leg external screw thread and nut, and supporting leg has bigger gap with vertical pore, and the pin-and-hole that alignment pin inserts the supporting leg bottom constitutes; 6) drag link, diagonal member are made of the coupling compression joint of aluminium-alloy pipe two ends with band self-locking claw; 7) steering connector bar is pegged graft by flat plug connector of aluminium-alloy pipe two ends crimping and swivel joint and is constituted.

2. pylon mainly is made of pylon folding unit and guardrail folding unit: 1) the pylon folding unit is made of 4 standpipes, 8 crossbeams, 4 cant beams, 4 alignment pins and 16 quilting rivets: the standpipe upper end is fixed with alignment pin and is sleeved on and has mutually perpendicular flat plug union on the standpipe, two isometric pipes constitute a crossbeam, the joint that two Guan Yiduan are crimped with the band socket is pegged graft and to be tightened up with being sleeved on plug union on the standpipe, the other end of two pipes respectively with two coupling compression joints of snib assembly; Cant beam is pegged graft with union after by the different two aluminium-alloy pipe one end crimping receptacle terminals of length and is tightened up, the other end of two pipes respectively with two coupling compression joints of snib assembly, the standpipe lower part series has alignment pin; 2) the guardrail folding unit is by 4 standpipes, its middle inside is provided with the alignment pin of location drag link, 4 crossbeams, 4 cant beams, 4 alignment pins and 8 quilting rivets constitute, an end of crossbeam two pipes, an end of cant beam short tube respectively with the receptacle terminal crimping, tighten up after pegging graft with the flat plug joint, the other end respectively with two coupling compression joints of snib assembly, and the other end of the cant beam long tube joint curved with being enclosed within band on the standpipe tightens up; The standpipe lower part series has alignment pin.

3. be connected through rivet and carriage across the pedal of platform by the band reinforcing rib, two ends are provided with hook, and carriage is provided with the hole that the guardrail standpipe is installed.

The utility model has the advantages that: owing to adopt aluminium alloy extrusions, so intensity height, safety are good, in light weight, weight is made of iron 1/3; The joint strength height; Adopt snib assembly joint; Folding unit can be opened and fold fast, open the back locking firmly, only 36 centimetres of the gabarit diameters after folding can be sent in the stove from manhole door very easily; Quick for installation, only need 2 people to cooperate, just can about one hour, set up the single-column pylon of a multilayer; Pedestal, flank, upright truss are separate unit, can take one or two pylon on a base as required, also can take several pylons on some bases, adopt the snap joint of various standards, do not need any aid.

Fig. 1 is the front-view schematic diagram of an embodiment of the utility model, Fig. 2 is the left view of Fig. 1, Fig. 3 is the A-A view of Fig. 1, Fig. 3 a is the B-B view of Fig. 1, Fig. 4 is pedestal component truss figure, and Fig. 4 a is the rubber pad component drawings, and Fig. 5 is flank component truss figure, Fig. 5 a is chuck and middle pylon standpipe connection layout, Fig. 6 is upright component truss figure, and Fig. 7 is the chuck component drawings, and Fig. 8 is the adjustable support leg accompanying drawing, Fig. 9 is the structure chart of pylon 04 among Fig. 1, Fig. 9 a is snib assembly quick lock in figure, and Fig. 9 b is that the snib assembly is opened figure fast, and Fig. 9 c is alignment pin figure, Fig. 9 d is tower frame cross beam and joint connection layout, Fig. 9 e is pylon cant beam top and the bottom, guardrail cant beam bottom and standpipe and joint connection layout, Fig. 9 f are the folding back figure of folding unit, and Figure 10 is guardrail figure, Figure 10 a is a guardrail riser upper crossbeam, cant beam top and standpipe and joint connection layout, Figure 11 is inclined ladder figure, and Figure 12 is the pedal front view, and Figure 12 a is the pedal vertical view, Figure 13 is across the platform front view, and Figure 13 a is across the platform side view.

In conjunction with the accompanying drawings structure of the present utility model and embodiment are described as follows: see Fig. 1, Fig. 2, Fig. 3, Fig. 3 a, the utility model mainly comprises pedestal truss 01, flank truss 02, upright truss 03, connector: chuck 06, adjustable support leg 07, drag link 81, diagonal member 82, steering connector bar 83 and standard connector by base; Pylon folding unit 04; Fence unit 05; Form across platform 013 (not shown).

Pedestal truss 01, see Fig. 4, on parallel, following aluminium-alloy pipe crossbeam (1,2), 350 millimeters of spacings, top rail 1 constitutes by three sections, place, two ends, stage casing is crimped with and vertically is the union of not a half circle, one end of symmetric sections is crimped with the vertical duct joint, be fixed into top rail pipe 1 with the not a half circle at two ends, stage casing respectively again, lower transverse beam 2 is shorter slightly than top rail 1, between two crossbeams and standpipe, inclined tube links to each other: weld with the upper end of vertical duct joint respectively the upper end of two standpipes 3, weld after being crimped with casing joint and lower transverse beam 2 sockets the lower end of standpipe 3, the middle part of standpipe 3 is equipped with cylinder 8, through rivet 9 riveted joints, the upper end supporting leg 71 of standpipe 3 radially has the pin-and-hole of perforation, between the external screw thread of supporting leg 71 and standpipe 3 endoporus bigger gap is arranged, after supporting leg 71 inserts standpipe 3, pass pin-and-hole clamping (Fig. 8 of supporting leg bottom with the alignment pin 7 of band slide fastener and Spring Card, Fig. 9 c), two standpipes 4 are respectively with last, lower transverse beam (1,2) welding, the two ends of standpipe 5 and casing joint crimping, with last, weld after the lower transverse beam socket, the upper end of inclined tube 6 respectively with standpipe (3,4,5) welding, weld with lower transverse beam respectively its lower end, the sleeve pipe 11 of a band platypelloid type plug is welded at top rail 1 two ends respectively, peg graft with the joint 13 of the band socket of diagonal member 12 two ends crimping respectively, after the band platypelloid type plug 10 of lower transverse beam 2 two ends crimping is pegged graft with joint 13, with bolt 19, self-locking nut 20 tightens up, angle coupling 15 is housed respectively on the diagonal member 12, and with aluminium sheet 16 welding, make its center line vertical with aluminium sheet with the plane that the diagonal member center line forms, aluminium sheet 16 is through rivet 17 and rubber pad 18 riveted joints, both sides rubber pad and boiler inner wall inclined-plane are closely connected, the gland of angle coupling 15 is provided with spring column pin 14, can from diagonal member not come off to block rubber pad that (Fig. 4 a).Connect through the lower transverse beam of 4 drag links 81, be divided into 4 groups through 8 diagonal members 82 and connect and compose pedestal with upper and lower crossbeam across two pedestal truss 01.

Flank truss 02, see Fig. 5, parallel upper and lower aluminium-alloy pipe crossbeam (31,32), 350 millimeters of spacings, top rail 31 is that bilayer sleeve is to increase supporting capacity near middle pylon place 80 millimeters long in addition, one end of lower transverse beam 32 is shorter slightly than top rail 31, standpipe 33 upper and lower ends and standpipe 34 lower ends respectively with the casing joint crimping, and weld respectively with after upper and lower crossbeam (31, the 32) socket, the upper end of standpipe 34 with have the coupling compression joint of not a half pipe and weld with the top rail lower end, weld with standpipe respectively inclined tube 35 upper ends, lower end and lower transverse beam 32 welding; Identical in the connection of diagonal member 12 and upper and lower crossbeam and rubber pad assembly and the pedestal truss.One end single tube place of top rail 31 is crimped with on the standpipe of 37 supports of positioning supports joint and pylon, on the standpipe 33 of positioning supports one side, be socketed with casing joint 11 and be crimped with band platypelloid type plug 10 and 87 grafting of ears joint with 87 grafting of ears joint, lower transverse beam 32 1 ends, peg graft to adjust the back and tightens up, and weld in the ears junction that (Fig. 5 a) with bolt 41 and self-locking nut 42.

Upright truss 03, see Fig. 6, parallel upper and lower aluminium-alloy pipe crossbeam (51,52) spacing is 150 millimeters, lower transverse beam 52 is shorter slightly than top rail 51, standpipe 53 upper and lower ends are welded with upper and lower crossbeam respectively, weld with rectangular aluminium alloy pipe 54 respectively two sides, and its outside is through rivet 56 and rubber pad 55 riveted joints, and both sides rubber pad and boiler inner wall inclined-plane are closely connected;

Chuck assembly 06 is seen Fig. 7, is located on the base flank truss top rail 31, and as pylon installing and locating datum, its position is to decide according to the position of pylon.Insert in the positioning sleeve 62 by aluminium-alloy pipe alignment pin 61, tighten up and angle coupling 15 welding through bolt 64, nut 65, during installation, flank truss top rail 31 is fixed in the hole of joint 15, the pylon vertical pipe sleeve abuts against the step place of positioning sleeve 62 in chuck assembly alignment pin 61 outsides.

Adjustable support leg assembly 07 is seen Fig. 8, is arranged at respectively in the circular hole of 4 standpipes 3 above pedestal truss 01 top rail, is connected and governor motion with pedestal as middle pylon.The external screw thread supporting leg of being done by 45 steels 71 is threaded with adjustable nut 72, alignment pin 7 insertion pin-and-holes by band slide fastener and Spring Card constitute, because the hole on the threaded supporting leg 71 can not be rotated by pin 7 location, the pylon standpipe is upper and lower to be moved so swivel nut 72 can drive.

Drag link 81 and diagonal member 82 are the connectors that two pedestal truss and four flank truss are barricaded as square, are made of the joint of the band self-locking claw of aluminium-alloy pipe and two ends crimping thereof, as long as with claw and respective girders clamping.

Steering connector bar 83 is bearing diagonals of flank truss and middle pylon, is made of the flat plug joint and swivel joint 87 grafting of aluminium-alloy pipe and its two ends crimping.

Pylon mainly is made of pylon folding unit 04, guardrail folding unit 05, the angle coupling 15 of annex vertical ladder 08, inclined ladder 09, pedal 010, baseboard 011, suspension bracket 012, wall support 88, standard, swivel joint 87, hound 86, pull bar 85, triatic stay 84 etc. are needed in the installation work, and baseboard and suspension bracket are standarized component.

Pylon folding unit 04, see Fig. 9, launch the back and form 2 meters high, horizontal plane is 1.8 meters square unit pylons, gabarit diameter after folding is 36 centimetres (Fig. 9 f), can send in the stove from the manhole door of boiler easily, (see Fig. 9 a), the snib assembly is opened (seeing Fig. 9 b) to the snib assembly quick lock in of folding unit fast.

The pylon folding unit is made of 93,4 alignment pins 7 of 92,4 cant beams of 91,8 crossbeams of 4 standpipes and 16 quilting rivets 43.But standpipe 91 upper ends are welded with the alignment pin 90 of suit upper strata pylon, two pipes of forming a crossbeam, the one end is crimped with receptacle terminal 13 and tightens up (Fig. 9 d) with being sleeved on the union 94 with flat plug on the standpipe 91 back of pegging graft with rivet 43, and (Fig. 9 a) with two joints, 99 crimping of snib assembly 98 respectively for the other end of two pipes; Cant beam 93 is by two aluminium alloys pipe fittings that length is different, peg graft after one end of pipe and receptacle terminal 13 crimping and with band angle plug joint 95 and tighten up (Fig. 9 e), (Fig. 9 a), the alignment pin 7 (Fig. 9 c) that steel pin 7a and jump ring 7b are constituted ties up to the bottom of standpipe 91 to the other end of pipe with two joint 99 crimping of snib assembly 98 respectively; The pylon number of plies determines as required, pylon every 4 meters establish one with the furnace wall tie point, to improve stability of tower and safety, middle pylon is connected with triatic stay 84 with pylon hound 86.

Guardrail folding unit 05, see Figure 10, launch the back and form 1 meter high, 1.8 meters square rectangular cells guardrails of horizontal plane, 36 centimetres of gabarit diameters after folding, the guardrail folding unit is by 92,4 cant beams 103 of 101,4 crossbeams of 4 standpipes, 4 alignment pins 7 and 8 rivets 43 constitute, long 1 meter of standpipe, inboard radially is provided with alignment pin 102 in the middle of it, uses as dress drag link 81 location.One end of 92 liang of pipes of crossbeam respectively with two joint 99 crimping of snib assembly 98, its other end respectively with receptacle terminal (13,13a) crimping; Cant beam 103 is by two pipes that length is different, the one end respectively with two joint 99 crimping of snib assembly 98, the other end respectively with receptacle terminal (13b, 13) crimping.The receptacle terminal of crossbeam, cant beam respectively with have that mutually perpendicular flat plug joint 94 is pegged graft and tighten up with bolt, nut that (Figure 10 a), cant beam 103 bottoms and standpipe 101 are pegged graft with the joint 95 of band angle plug and are tightened up (Fig. 9 e), and alignment pin 7 is tied up on the standpipe 101.

The used pipe fitting of the utility model all adopts aluminium-alloy pipe, and caliber is 50 millimeters, and except that 5 millimeters of flank truss top rail wall thickness, all the other are 2.5 millimeters of wall thickness, and each joint is standard snap joint.

Vertical ladder 08 is people and the bridge of member from pedestal to the flank platform: two rectangular aluminium alloy pipe holders are fixed with allotype aluminum alloy pipe crossbeam, and the top and the middle part of support are fixed with hook, and support is provided with junction plate in both sides topmost, as upwards continuing the usefulness of offering sb. a chance to remedy a fault gracefully.

Inclined ladder 09 (Figure 11) is the passage of pylon unit, tilted supporter is crimped with self-locking claw joint 81b by aluminium-alloy pipe 301 1 ends, be welded with allotype aluminum alloy plate crossbeam 302 thereon, the other end and 10 crimping of flat tube joint and peg graft with base 303 receptacle terminals 13 after tighten up, the base upper bracket is connected anti-skidding veneer pedal 304 with rivet 305, the base other end is crimped with self-locking claw 81b, and the claw at inclined ladder two ends is connected on the crossbeam of pylon.

Pedal 010 (Figure 12,12a) is equipped with pedal at pedestal, flank truss, upright truss and every layer of pylon, rise support, interconnect function is for the people transmission member and the place of standing in the above.The base 401 that is crimped with claw 81c at two ends constitutes through rivet 403 and anti-skidding veneer pedal 402 riveted joints.

Baseboard 011 is located in the guardrail above the superiors' platform, and four jiaos are provided with hook on it, hang on the support of pedal, in case when work instrument drop, constitute by allotype aluminum alloy plate, hook, hinge.

Suspension bracket 012, every layer of pylon is used for promoting folding unit and pedal when installing, so that setter is assembled scaffold quickly and safely.It is by stand, support bar, pulley, nylon rope, the connection chuck that is connected with the pylon standpipe, formations such as the wall support that is connected with the boiler wall.

Across platform 013, see Figure 13,13a, when two above pylons are set, between two bases, flank and tower, are provided with as required and connect across platform.Pedal 501 by the band reinforcing rib is connected through rivet 505 and carriage 502,504, and two ends are provided with hook 503, and carriage is provided with installs the hole D that the guardrail standpipe is used.

Claims (5)

1. the interior fast-assembling scaffold of stove is characterized in that, this scaffold mainly comprises pedestal, flank, upright truss, chuck, adjustable support leg, drag link, diagonal member, steering connector bar and modular connection by base; Pylon; Form across platform: 1) base: (1) pedestal truss is by parallel lower and upper cross-member pipe, be fixed on standpipe therebetween, inclined tube, the closely connected rubber pad assembly in both sides and boiler bottom inclined-plane constitutes, the lower transverse beam pipe is shorter than top rail pipe, top rail Guan Yousan section constitutes, place, two ends, stage casing is crimped with and vertically is the union of not a half circle, one end of symmetric sections is crimped with vertical union, not a half pipe joint with the two ends, stage casing is fixed into the top rail pipe respectively, two vertical duct joints are connected respectively with after the upper end socket of two standpipes, this two standpipes middle part is equipped with cylinder respectively, through rivet, diagonal member two ends, pedestal truss both sides respectively with the receptacle terminal crimping after be connected with crossbeam on plug connector peg graft, be connected, two diagonal members are provided with angle coupling, are connected with rubber pad perpendicular to its radial outside setting, rubber pad and furnace bottom inwall inclined-plane are closely connected, by two pedestal truss through drag link, diagonal member connects and composes pedestal; (2) flank truss, on parallel, grow, descend between short crossbeam pipe to be fixed with standpipe, inclined tube, one skew back pull bar is provided with angle coupling, be connected with rubber pad perpendicular to its radial outside setting, rubber pad and furnace bottom inwall inclined-plane are closely connected, one side is connected through the standpipe of positioning supports joint and ears joint and middle pylon, connects and composes one group of flank by 4 flank truss through drag link, diagonal member; (3) upright truss, by the parallel standpipe of going up the down short two crossbeam pipes of length and being connected therebetween, the rubber pad assembly formation closely connected that its both sides are provided with boiler bottom inwall inclined-plane; (4) chuck is located on the top rail pipe of flank truss, is inserted in the benchmark cover of location by the alignment pin pipe, with the angle coupling formation that is connected; (5) adjustable support leg is arranged in four vertical pores of pedestal, is threaded by supporting leg external screw thread and nut, and supporting leg has bigger gap with vertical pore, and alignment pin inserts supporting leg bottom pin-and-hole and constitutes; (6) drag link, diagonal member are made of the coupling compression joint of aluminium-alloy pipe two ends with band self-locking claw; (7) steering connector bar is pegged graft by flat plug connector of aluminium-alloy pipe two ends crimping and swivel joint and is constituted; 2) pylon mainly is made of pylon folding unit and guardrail folding unit: (1) pylon folding unit is made of 4 standpipes, 8 crossbeams, 4 cant beams, 4 alignment pins and 16 quilting rivets: the standpipe upper end is fixed with alignment pin and is sleeved on and has mutually perpendicular flat plug union on the standpipe, two isometric pipes constitute a crossbeam, the joint that two Guan Yiduan are crimped with the band socket is pegged graft and to be tightened up with being set in plug union on the standpipe, the other end of two pipes respectively with two coupling compression joints of snib assembly; Cant beam is made of two different aluminium-alloy pipes of length, and pegging graft with union behind the end crimping receptacle terminal of two pipes tightens up, the other end of two pipes respectively with two coupling compression joints of snib assembly, the standpipe lower part series has alignment pin; (2) the guardrail folding unit is by 4 standpipes, its inboard is provided with the alignment pin of location drag link, 4 crossbeams, 4 cant beams, 4 alignment pins and 8 quilting rivets constitute, an end of crossbeam two pipes, cant beam short tube one end respectively with the receptacle terminal crimping, tighten up after pegging graft with the union of flat plug, the other end respectively with two coupling compression joints of snib assembly, and the other end of the cant beam long tube joint curved with being enclosed within band on the standpipe tightens up, the standpipe lower part series has alignment pin; 3) be connected through rivet and carriage across the pedal of platform by the band reinforcing rib, two ends are provided with hook, and carriage is provided with installs the hole that the guardrail standpipe is used.

2. by the described scaffold of claim 1, it is characterized in that the annex vertical ladder is by being fixed with special-shaped aluminum pipe crossbeam on the two rectangular aluminum pipe holders, the top and the middle part of support are fixed with hook, and support topmost both sides is provided with junction plate and constitutes; Inclined ladder is to be crimped with self-locking claw joint by tilted supporter one end, be welded with special-shaped aluminium alloy plate a variety of millet on it, the other end and flat tube coupling compression joint and peg graft with the base receptacle terminal after tighten up, the base upper bracket is connected anti-skidding veneer with rivet, the base other end is crimped with self-locking claw joint.

3. by claim 1 or 2 described scaffolds, be characterized in that the annex pedal is to be riveted with anti-skidding veneer pedal through rivet by the base that two ends are crimped with claw respectively to constitute.

4. by the described scaffold of claim 3, it is characterized in that the annex baseboard is by special-shaped aluminium sheet, the folding unit that the hook of four jiaos of settings and hinge are formed.

5. by the described scaffold of claim 4, be characterized in that the annex suspension bracket is by stand, support bar, pulley, nylon rope, the connection chuck that is connected with the pylon standpipe, formations such as the wall support that is connected with boiler inner wall.

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