CN107130981B - A kind of needle beam type wholecircle telescoping steel form installation method - Google Patents

A kind of needle beam type wholecircle telescoping steel form installation method Download PDF

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Publication number
CN107130981B
CN107130981B CN201710516246.8A CN201710516246A CN107130981B CN 107130981 B CN107130981 B CN 107130981B CN 201710516246 A CN201710516246 A CN 201710516246A CN 107130981 B CN107130981 B CN 107130981B
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installation
template
needle beam
group
cheek board
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CN107130981A (en
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陈雪湘
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Sinohydro Bureau 11 Co Ltd
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Sinohydro Bureau 11 Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor

Abstract

The present invention relates to a kind of needle beam type wholecircle telescoping steel form installation methods, the cleaning, levelling of base surface is completed first, form levelling face, location is installed as needle beam type wholecircle telescoping steel form, then it is laid with 2 I-steel on levelling face as bed die board mounting rail, needle beam type wholecircle telescoping steel form finally is installed using PC130 digging machine, first carries out whole installations of first group of template, recycling reverse method installs other group of template, retreats method from installation direction side and installs each group template by group.The beneficial effects of the present invention are: the present invention counts the template group loops back method set-up time by the research and application to trolley Fast Installation technology, achievable 3 groups of templates installation daily;Final all to install and debug the deadline be 7 days, has current examination and pours condition, and installation time of coming into operation than conventional installation techniques shifts to an earlier date 7~10 days.

Description

A kind of needle beam type wholecircle telescoping steel form installation method
Technical field
The present invention relates to tunnel engineering fields, and in particular to a kind of needle beam type wholecircle telescoping steel form installation method.
Background technique
Construction of concrete lining, telescoping steel form are mainly carried out using sizing telescoping steel form in current tunnel engineering field Have the characteristics that disposable, quick, template is once put into be used for multiple times.
For example, the utility model patent of Authorization Notice No. CN202467862U, discloses a kind of super-huge whole-circle needle beam type Hydraulic steel form carrier template system and its regulating mechanism, especially a kind of super-huge wholecircle section for diameter at 12 meters or more The super-huge whole-circle needle beam type hydraulic telescoping steel form template system and its regulating mechanism of construction, template assembly include multiple groups longitudinal direction The template group of splicing, every group of template group form wholecircle section, backform or bottom by backform, right side mould, left side mould and four part of bed die The both sides of mould are detachably connected with left side mould, right side mould respectively, and backform or bed die pass through level(l)ing mechanism and vertical adjustment machine Structure is connect with beam frame assembly.
In another example the utility model patent of Authorization Notice No. CN203978450U, discloses a kind of needle beam type telescoping steel form, Including upper semiarch circle template, lower semiarch circle template, bed die column, lower beam, sliding sash, needle beam, preceding pedestal, rear base, horizontal oil Cylinder, Vertical Cylinders, anti-floating frame;The cylinder body of three branch mould oil cylinders is all fixed on sliding sash, cylinder rod respectively with upper semiarch circle two Side template and cope plate connection, one end of two screw jacks are all fixed on sliding sash, what the other end was justified with lower semiarch respectively Two side template connections;One end of third screw jack is connected on sliding sash, and the other end is connected to the branch of support cope plate On mould oil cylinder;It further include the different cushion block of several thickness, cushion block passes through bolt and upper semiarch circle template and lower semiarch circle template Connection.
It is above-mentioned of the existing technology the disadvantage is that: when installing in template hole, when the design of general trolley and production, trolley is flexible Amplitude has a certain distance limitation, so trolley is limited vulnerable to installation space during installation, can not be successfully and carries out trolley platform The installation of frame side form and backform mainly completes installation using anchor pole, suspension hook, if necessary, it is necessary to carry out at the top of tunnel Part is backbreak, time-consuming and laborious, at high cost.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention proposes a kind of needle beam type wholecircle telescoping steel form installation side Method.
The present invention provides a kind of needle beam type wholecircle telescoping steel form installation methods, comprising the following steps:
Step 1, the cleaning, levelling that base surface is completed according to scheduled base foundation face height, form levelling face, as needle Beam type telescoping steel form installs location;
Step 2 is laid with 2 I-steel as bed die attachment rail, using common 48mm steel pipe to I-shaped on levelling face Steel transverse weld is fixed, and separately carries out bottom reinforcing from two sides palisades, to consolidate I-steel;
Step 3 installs needle beam type telescoping steel form using PC130 digging machine
Step 3.1, after first group of end template is in place, in strength template die plate two sides single side (the non-peace of grid beam structural attachments Dress direction) welded still pipe is supported with levelling face, reinforce the stability of end template, in this step, it is only necessary to first group End template is balanced fixation;
Step 3.2, the corresponding grid beam structure of first group of end template of installation and transverse support bar;
Step 3.3 is installed right side cheek board using PC130 digging machine, then installs the connection between right side cheek board and end template Outbound, and at the attachment pegs position of the top hydraulic system of grid beam structure, 2 48mm steel pipes are utilized respectively to cheek board top It is supported at one third, with fixed right side cheek board;
Step 3.4, installation top template, top template couple pin connection with right side cheek board, and top template is as preferential demoulding Area is supported on the right side of top template by screw jack, top template jack is all retracted to when supporting it is most short after, directly Couple in place at the attachment pegs of grid beam top;
Step 3.5, installation left side cheek board, the attachment pegs first carried out between end template when left side cheek board is installed are pacified Dress, then by being utilized respectively 2 48mm steel pipes to cheek board top one third at frame roof hydraulic system attachment pegs position Place is supported, and completes full face first group of end template, right side cheek board, top template, the installation of left side cheek board;
Step 3.6, according to step 3.1 to step 3.5 operating procedure circulate operation, retreat method from installation direction side and pacify by group Fill remaining 7 groups of end templates, right side cheek board, left side cheek board, top template and grid beam structure;In every group of end template, right side side mode During plate, left side cheek board, top template lifting are in place, are cooperated using jack and carry out attachment pegs installation;
Step 3.7, installation needle beam, synchronously complete the installation of walking group wheel
Needle beam is passed through out of grid beam structure, and walking group wheel shares 4 groups, is separately mounted to the upper and lower of needle beam;
Step 3.8, installation hoist system and hydraulic system
Step 3.8.1, hoist system is installed
Hoist system is mounted on needle beam, solid around the pulley on needle beam end and beam frame respectively with two wirerope Needle beam both ends are scheduled on, needle beam and punching block fulcrum relative motion each other make rack advance, and before demoulding, shrink pedestal oil cylinder, suspention Pedestal, track is fallen on end template traveling wheel below needle beam, and starting hoist engine moves forward needle beam, puts down pedestal afterwards in place, Oil cylinder withstands on and carries out demoulding on needle beam, and starting hoist engine after demoulding moves forward punching block;
Step 3.8.2, hydraulic system is installed
Hydraulic system is commutated to realize the flexible of oil cylinder using 3-position 4-way hand-operated direction valve, and trolley is in left side and the right side The oil cylinder of side direction respectively uses a reversal valve control two sides cross cylinder movement, and four vertical oil cylinders respectively use a reversal valve control System, 2 vehicle translation oil cylinders respectively use a reversal valve operation;Locking is carried out to four vertical oil cylinders using bidirectional hydraulic control check valve, To avoid template decline, using the movement velocity of one-way throttle valve regulation oil cylinder;
Step 3.9, installation electrical system
Electrical system is connect with the motor of the Oil pump electrical machinery of hydraulic system and hoist engine respectively, and is coagulation at needle beam both ends Native delivery pump reserves special power switch, electrical system to the switch and hoist engine motor of the Oil pump electrical machinery of hydraulic system just Turn, reversion carries out control and overload protection.
Further, in the step 3.6, jack is the jack that standard is 3t or 5t.
Further, in the step 3.7, walking group wheel is made of support and several idler wheels.
Further, in the step 3.7, support is made of channel steel, and idler wheel is steel-casting.
Further, in the step 3.7, roller structure is the structure of wheel rim.
Further, in the step 3.9, electrical system using 380V three-phase four-wire power supply mode to Oil pump electrical machinery, Hoist engine motor, frequency converter sets, form vibrator, illumination and electric welding machine power supply.
The beneficial effect of installation method of the present invention is: the present invention by research to trolley Fast Installation technology with answer With being counted to the template group loops back method set-up time, daily the installation of achievable 3 groups of templates;It is final all to install and adjust Trying the deadline is 7 days, has current examination and pours condition, and installation time of coming into operation than conventional installation techniques shifts to an earlier date 7~10 days.
Detailed description of the invention
Fig. 1 is needle beam type telescoping steel form section of the present invention (demoulding state) structural schematic diagram.
In figure shown in label: 1- end template, 2- strength template die plate, 3- transverse support bar, 4- grid beam structure, the right side 5- side mode Plate, 6- top template, the left side 7- cheek board, 8- attachment pegs, 9- needle beam, 10- walking group wheel.
Specific embodiment
Specific embodiment is neutralized with reference to the accompanying drawings of the specification to be described further construction method of the present invention.
As shown in Fig. 1, construction method of the present invention, comprising the following steps:
Step 1, the cleaning, levelling that base surface is completed according to scheduled base foundation face height, form levelling face, as needle Beam type telescoping steel form installs location;
Step 2 is laid with 2 I-steel as 1 attachment rail of end template, using common 48mm steel pipe to work on levelling face Word steel transverse weld is fixed, and separately carries out bottom reinforcing from two sides palisades, to consolidate I-steel;
Step 3 installs needle beam type telescoping steel form using PC130 digging machine
Step 3.1, after first group of end template 1 is in place, the 2 two sides single side of strength template die plate in 4 junction of grid beam structure is (non- Installation direction) welded still pipe is supported with levelling face, reinforce the stability of end template 1, in this step, it is only necessary to first Group end template 1 is balanced fixation;
Step 3.2, first group of corresponding grid beam structure 4 of end template 1 of installation and transverse support bar 3;
Step 3.3 is installed right side cheek board 5 using PC130 digging machine, then installed between right side cheek board 5 and end template 1 Attachment pegs 8, and at 8 position of attachment pegs of the top hydraulic system of grid beam structure 4,2 48mm steel pipes are utilized respectively to side mode It is supported at the one third of plate top, with fixed right side cheek board 5;
Step 3.4, installation top template 6, top template 6 are connect with right side cheek board 5 with attachment pegs 8, and top template 6 is as preferential Area is demoulded, is supported on the right side of top template 6 by screw jack, jack is all retracted to most short by top template 6 when supporting Afterwards, directly couple in place at grid beam top attachment pegs 8;
Step 3.5, installation left side cheek board 7, first carry out the attachment pegs 8 between end template 1 when left side cheek board 7 is installed Installation, then by be utilized respectively at 8 position of frame roof hydraulic system attachment pegs 2 48mm steel pipes to cheek board top three/ It is supported at one, completes full face first group of end template 1, right side cheek board 5, top template 6, left side cheek board 7 and install;
Step 3.6, according to step 3.1 to step 3.5 operating procedure circulate operation, retreat method from installation direction side and pacify by group Fill remaining 7 groups of end templates 1, right side cheek board 5, left side cheek board 7, top template 6 and grid beam structure 4;In every group of end template 1, the right side During side template 5, left side cheek board 7, top template 6 lift in place, utilizes jack to cooperate and carry out the installation of attachment pegs 8;
Step 3.7, installation needle beam 9, synchronous installation walking group wheel 10
Needle beam 9 is passed through out of grid beam structure 4, and walking group wheel 10 shares 4 groups, is separately mounted to the upper and lower of needle beam 9;
Step 3.8, installation hoist system and hydraulic system
Step 3.8.1, hoist system is installed
Hoist system is mounted on needle beam, solid around the pulley on needle beam end and beam frame respectively with two wirerope Needle beam both ends are scheduled on, needle beam and punching block fulcrum relative motion each other make rack advance, and before demoulding, shrink pedestal oil cylinder, suspention Pedestal, track is fallen on 1 traveling wheel of end template below needle beam, and starting hoist engine moves forward needle beam, puts down pedestal afterwards in place, Oil cylinder withstands on and carries out demoulding on needle beam, and starting hoist engine after demoulding moves forward punching block;
Step 3.8.2, hydraulic system is installed
Hydraulic system is commutated to realize the flexible of oil cylinder using 3-position 4-way hand-operated direction valve, and trolley is in left side and the right side The oil cylinder of side direction respectively uses a reversal valve control two sides cross cylinder movement, and four vertical oil cylinders respectively use a reversal valve control System, 2 vehicle translation oil cylinders respectively use a reversal valve operation;Locking is carried out to four vertical oil cylinders using bidirectional hydraulic control check valve, To avoid template decline, using the movement velocity of one-way throttle valve regulation oil cylinder;
Step 3.9, installation electrical system
Electrical system is connect with the motor of the Oil pump electrical machinery of hydraulic system and hoist engine respectively, and is coagulation at needle beam both ends Native delivery pump reserves special power switch, electrical system to the switch and hoist engine motor of the Oil pump electrical machinery of hydraulic system just Turn, reversion carries out control and overload protection.
Further, in the step 3.6, jack is the jack that standard is 3t or 5t.
Further, in the step 3.7, walking group wheel is made of support and several idler wheels.
Further, in the step 3.7, support is made of channel steel, and idler wheel is steel-casting.
Further, in the step 3.7, roller structure is the structure of wheel rim.
Further, in the step 3.9, electrical system using 380V three-phase four-wire power supply mode to Oil pump electrical machinery, Hoist engine motor, frequency converter sets, form vibrator, illumination and electric welding machine power supply.
The present invention is not limited to the above embodiments, made any to above embodiment aobvious of those skilled in the art and The improvement or change being clear to, all protection scope without departing from design of the invention and appended claims.

Claims (6)

1. a kind of needle beam type wholecircle telescoping steel form installation method, which comprises the following steps:
Step 1, the cleaning, levelling that base surface is completed according to scheduled base foundation face height, form levelling face, as needle beam type Wholecircle telescoping steel form installs location;
Step 2 is laid with 2 I-steel as end template (1) attachment rail, using common 48mm steel pipe to I-shaped on levelling face Steel transverse weld is fixed, and separately carries out bottom reinforcing from two sides palisades, to consolidate I-steel;
Step 3 installs needle beam type wholecircle telescoping steel form using PC130 digging machine
Step 3.1, strength template die plate (2) two sides single side after first group of end template (1) is in place, in grid beam structure (4) junction Welded still pipe is supported with levelling face, the stability of reinforcement end template (1), in this step, it is only necessary to first group of end template (1) it is balanced fixation;
Step 3.2, the corresponding grid beam structure (4) of first group of end template (1) of installation and transverse support bar (3);
Step 3.3 is installed right side cheek board (5) using PC130 digging machine, then is installed between right side cheek board (5) and end template (1) Attachment pegs (8) be utilized respectively 2 48mm steel and at attachment pegs (8) position of the top hydraulic system of grid beam structure (4) Pipe at the one third of cheek board top to being supported, with fixed right side cheek board (5);
Step 3.4, installation top template (6), top template (6) are connect with right side cheek board (5) with attachment pegs (8), and top template (6) is done Preferentially to demould area, it is supported on the right side of top template (6) by screw jack, by jack whole when top template (6) supports Be retracted to it is most short after, directly couple in place at grid beam top attachment pegs (8);
Step 3.5, installation left side cheek board (7), first carry out and coupling between end template (1) when left side cheek board (7) is installed (8) installation is sold, then by being utilized respectively 2 48mm steel pipes to left side side mode at frame roof hydraulic system attachment pegs (8) position It is supported at the one third of plate (7) top, completes full face first group of end template (1), right side cheek board (5), backform Plate (6), left side cheek board (7) installation;
Step 3.6, according to step 3.1 to step 3.5 operating procedure circulate operation, retreat method from installation direction side and install by group and remains Remaining 7 groups of end template (1), right side cheek board (5), left side cheek board (7), top template (6) and grid beam structure (4);At every group During end template (1), right side cheek board (5), left side cheek board (7), top template (6) lifting are in place, using jack cooperate into Row attachment pegs (8) installation;
Step 3.7, installation needle beam (9), synchronous installation walking group wheel (10)
Needle beam (9) is passed through out of grid beam structure (4), and walking group wheel (10) shares 4 groups, be separately mounted to the top of needle beam (9) with Lower section;
Step 3.8, installation hoist system and hydraulic system
Step 3.8.1, hoist system is installed
Hoist system is mounted on needle beam (9), with two wirerope, is bypassed on needle beam (9) end and grid beam structure (4) respectively Walking group wheel (10) be fixed on needle beam (9) both ends, needle beam (9) and punching block fulcrum relative motion each other make rack advance, demoulding Before, pedestal oil cylinder is shunk, suspends pedestal in midair, track is fallen on end template (1) traveling wheel needle beam (9) below, and starting hoist engine makes Needle beam (9) moves forward, and puts down pedestal afterwards in place, oil cylinder, which is withstood on needle beam (9), carries out demoulding, and starting hoist engine after demoulding makes frame Frame structure (4) moves forward;
Step 3.8.2, hydraulic system is installed
Hydraulic system is commutated to realize the flexible of oil cylinder, needle beam type wholecircle telescoping steel form using 3-position 4-way hand-operated direction valve A reversal valve control two sides cross cylinder movement is respectively used in the oil cylinder of left side and right direction, four vertical oil cylinders respectively use one A reversal valve control, 2 vehicle translation oil cylinders respectively use a reversal valve operation;Using bidirectional hydraulic control check valve to four vertical oil cylinders Locking is carried out, to avoid template decline, using the movement velocity of one-way throttle valve regulation oil cylinder;
Step 3.9, installation electrical system
Electrical system is connect with the motor of the Oil pump electrical machinery of hydraulic system and hoist engine respectively, and is coagulation at needle beam (9) both ends Native delivery pump reserves special power switch, electrical system to the switch and hoist engine motor of the Oil pump electrical machinery of hydraulic system just Turn, reversion carries out control and overload protection.
2. installation method according to claim 1, which is characterized in that in the step 3.6, jack is that standard is 3t or 5t Jack.
3. installation method according to claim 1, which is characterized in that in the step 3.7, walking group wheel (10) by support and Several idler wheels composition.
4. installation method according to claim 3, which is characterized in that in the step 3.7, support is made of channel steel, idler wheel It is steel-casting.
5. according to the installation method of claim 3 or 4, which is characterized in that in the step 3.7, the structure of idler wheel is belt wheel The structure on side.
6. installation method according to claim 1, which is characterized in that in the step 3.9, electrical system uses 380V three-phase Four-wire system power supply mode is powered to Oil pump electrical machinery, hoist engine motor, frequency converter sets, form vibrator, illumination and electric welding machine.
CN201710516246.8A 2017-06-29 2017-06-29 A kind of needle beam type wholecircle telescoping steel form installation method Active CN107130981B (en)

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Publication number Priority date Publication date Assignee Title
CN111749714B (en) * 2020-07-30 2021-11-09 四川港航建设工程有限公司 Window-by-window layered pouring system for circular water delivery tunnel wall and construction method

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CN102444406A (en) * 2010-10-15 2012-05-09 中铁五局(集团)有限公司 Needle beam type inverted arch lining sliding framework and construction method thereof
CN102434171B (en) * 2011-11-17 2014-04-09 广汉金达隧道机械有限公司 Tunnel bottom concrete side-slipping lining construction method and side-slipping needle beam bottom board trolley
CN102425435B (en) * 2011-12-30 2013-09-04 广汉金达隧道机械有限公司 Ultra-large whole-circle needle beam type hydraulic steel mould trolley and demoulding method thereof
CN202718678U (en) * 2012-08-10 2013-02-06 福建中天建工机械有限公司 Whole-circle tunnel needle beam trolley
CN203248171U (en) * 2013-04-28 2013-10-23 湖南五新重型装备有限公司 Full fracture surface needle beam trolley without beam frame
CN103982200B (en) * 2014-05-21 2015-10-14 中国葛洲坝集团股份有限公司 Slide rail Mobile steel mould trolley in tunneling boring
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CN206016834U (en) * 2016-08-31 2017-03-15 湖南五新隧道智能装备股份有限公司 A kind of pin fine strain of millet chassis of convenient construction

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