CN203514207U - Self-propelled movable formwork for double-rectangular water conservancy aqueduct construction - Google Patents
Self-propelled movable formwork for double-rectangular water conservancy aqueduct construction Download PDFInfo
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- CN203514207U CN203514207U CN201320658169.7U CN201320658169U CN203514207U CN 203514207 U CN203514207 U CN 203514207U CN 201320658169 U CN201320658169 U CN 201320658169U CN 203514207 U CN203514207 U CN 203514207U
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Abstract
A self-propelled movable formwork for double-rectangular water conservancy aqueduct construction comprises an outer beam system (1), an outer mould system (2), an inner beam system (3), an inner mould system (4), an electric control system (5) and a hydraulic system (6). The outer beam system (1) is a main carrying system of the self-propelled movable formwork and mainly comprises an outer beam (1a), a first outer beam leg (1b), a second outer beam leg (1c), a third outer beam leg (1d), a fourth outer beam leg (1e) and an outer beam rear propeller (1f), the outer beam (1a) is in the form of a box-shaped combination beam and provided with double beams, the distance between the centers of the double beams is 9.5 meters, the double beams are integrated by the aid of two groups of end connecting beams, eight groups of middle connecting beams and sixteen groups of bilaterally symmetric outriggers, an outer main beam is a main bearing structure of a grooving machine, and load is respectively transferred to cast pier tops crossing over front and back through the third outer beam leg and the fourth outer beam leg in a casting state.
Description
Technical field
The utility model relates to a kind of self-propelled moveable formwork for the construction of rectangle water conservancy aqueduct cast-in-situ, specially refers to the construction that is applicable to rectangle double flute aqueduct.
Background technology
Along with going deep into of China's Middle Line Project For Transferring Water From South To North construction, there is section on increasing artificially, conventionally canal on embankment is all to utilize aqueduct as pipelined channel, and these large-tonnage water conservancy aqueducts, by steel concrete manufacture, are born the load of water, aqueduct by groove pier.
Although existing conventional full framing method technical maturity and being widely used, its shortcoming is also unavoidable:
1, front current cost drops into greatlyr, if reach and the utility model similar progress of constructing, at least needs to drop into two across half full framing and two cover templates;
2, long construction period, every hole slot all needs precompressed check, waste plenty of time;
3, full framing method is high to ground requirement for bearing capacity, and is not suitable for high groove pier, constructional difficulties when crossing over the landforms such as irrigation canals and ditches river;
4, after the processing of soft foundation and construction, second ploughing also needs to expend a large amount of artificial and materials;
5, Full space support construction loss is larger.
More and more urgent to the demand of water conservancy aqueduct construction equipment special thus.For this kind of actual demand, develop a kind of economic, practical, efficient construction equipment, will be one of best means of dealing with problems.
Summary of the invention
The utility model object is just for a kind of self-propelled moveable formwork for double square water conservancy aqueduct construction is provided, in order to improve water conservancy aqueduct prouctiveness and improve the effective rate of utilization of production site.The alternative original full framing method construction of self-propelled moveable formwork of the present utility model, concrete flume can be on groove pier once property built.So not only save in a large number floor stand and manufactured and designed expense, saved again the disposal cost of foundation facility.
The purpose of this utility model can realize by following technique measures:
Self-propelled moveable formwork for the construction of double square water conservancy aqueduct of the present utility model comprises outer girder system system, outer modular system, inner beam system, inner formwork system, electric-control system and hydraulic system; Described outer girder system system is comprised of traveling after Wai Liang, No. 1 leg of outer beam, No. 2 legs of outer beam, No. 3 legs of outer beam, No. 4 legs of outer beam, outer beam; Its China and foreign countries' beam is tank-shaped composite girder construction, adopts twin beams to be arranged in parallel, between twin beams, by contact beam, some groups of symmetrical outriggers in the middle of two groups of end contact beams and many groups, forms integral body; No. 1 leg of outer beam fixedly mounts beam front end outside, is two column door type structures; Between two columns, be provided with M shape bracing, structural stability is good, column lower end is provided for adjusting the oil cylinder of column height, No. 2 legs of described outer beam are movable leg (being supported in front square pier top during casting condition), top is provided with for completing the carrying roller of outer beam and external mold via hole displacement and for completing the hanging shift unit of supporting leg self vertical shift, bottom is provided with the supporting screw for carrying; No. 2 legs of described outer beam are twin columns portal structures, and column is box-girder; Between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace; Distribution beam is established in No. 2 leg bottoms of outer beam, and four identical tapered stud are established in distribution beam below; No. 3 legs of described outer beam are movable leg, are supported in the front square pier top of casting bay during casting condition, and top is provided with for completing the carrying roller of outer beam and the displacement of external mold via hole and for completing the hanging shift unit of supporting leg self vertical shift; Bottom is provided with the supporting screw for carrying, No. 3 legs of described outer beam are twin columns portal structures, column is box-girder, between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace, No. 3 leg belows of outer beam are provided with distribution beam, beam has two kinds of tapered stud of height, high column is directly supported in Dun Ding, and between distribution beam, is provided with upset perk device, and short upright supports is on the shock-proof block of pier top; And between No. 3 legs of described outer beam and outer beam, be provided with hound (in the process at concreting, with No. 4 legs of outer beam, across longitudinally forming two just leg door type structures, prevent complete machine reach after outer beam, cause built cell body reach); No. 4 legs of described outer beam are gradual change box pillar construction wide at the top and narrow at the bottom, supporting leg lower end is provided with to regulate complete machine absolute altitude, and the oil cylinder with mechanical locking, below oil cylinder, be provided with two rigidity buttresses, it highly exceeds the reserved steel bar of Dun Ding, buttress is directly supported on Dun Ding, is connected with cylinder pedestal flange bolt; Last that after described outer beam, traveling fixedly mounts beam rear part outside is on outrigger, and bottom is provided with wheel track running gear, and No. 2 legs of outer beam, No. 3 leg carrying rollers one of outer beam work, and realizes the traveling of outer girder system system; Between roller box and outrigger, be provided with sideslip oil cylinder, in casting process, after two outer beams, walk line space 13.35m, to avoid aqueduct vertical prestressing bar.Build that health completes, after vertical prestressing bar stretch-draw excision, the jacking of No. 4 leg support cylinders of outer beam, sideslip oil cylinder is released respectively 1m laterally by two rear travelings, travelling wheel aligns the walking rails being well placed, No. 4 leg oil cylinders of outer beam fall, and travelling wheel drops on walking rails, prepare via hole; Outer modular system comprises side form, bed die, external fin, end rib, suspension rod; Directly bearing the template of the outer modular system of the lateral pressure that concrete gravity and concrete produce is made by panel and shaped steel assembly welding; Outrigger is installed on outer beam outside, and external fin hang on outrigger, and external fin side attachment is installed on side form, and external fin bottom is provided with for connecting end rib turning hinge, and bed die adheres to and is installed on end rib, and the rib hinge that can rotate in the end is rotated; The oil cylinder that drives the traversing keying of side form for realizing external fin is installed between external fin and outrigger, the oil cylinder that drives the traversing keying of side form for realizing external fin is installed between external fin and end rib; Inner beam system is totally two covers, and every cover is by one-tenth such as inner beam, interior traveling, transverse-moving mechanism (inner beam system is mainly born the lateral pressure of concrete generation in the deadweight of inner formwork system and concreting process); Described inner beam is trussed construction, is divided into three joints, and internode bolt flange connects, and side is provided with internal mold mounting ear seat; In inner beam bottom, be installed with inner beam supporting leg, supporting leg bottom is provided with some cover wheel track road wheel casees, and roller box top support post and girder lower edge bolt, realize the traveling of inner beam system; Between the support at inner beam two ends, be provided with for supporting the support cylinder of inner beam and internal mold, in casting process, make interior traveling supporting leg come to nothing.Utilize rail clamping device that the split heads of walking rails, track below is together mentioned with road wheel case.Build rear inner beam two end supports oil cylinder and fallen, prepared via hole; Inner formwork system is totally two covers, and every cover is by comprising that interior side form, internal mold support leverage, contact beam forms forms; Described inner formwork system directly bears the lateral pressure that in fluid concrete process, concrete produces, and keeps the size of aqueduct inner chamber; Some groups of internal mold transverse adjusting oil cylinders are installed above inner beam, and every group has two oil cylinders; Between inner beam and template, be provided with some groups for driving internal mold to rotarily open oil cylinder, every group has two oil cylinders; Internal mold support bar ties up on inner beam and by jack and coordinates jack to complete its folding and unfolding and exactitude position; At oblique angle, internal mold bottom, section has feed opening and ventilation mouth along the line uniformly at intervals, and is furnished with stopend.
No. 2 leg bottoms of outer beam described in the utility model are provided with the supporting screw for carrying, supporting screw; The below of No. 2 legs of described outer beam and No. 1 leg of outer beam is equipped with in order to the rotation perk device by pier top shock-proof block; The bottom of No. 3 legs of described outer beam is provided with the supporting screw for carrying; Described external fin and side form are monolithic construction, the end-blocking template that end mould is aqueduct, and piecemeal is made; External fin is provided with top for reducing external fin distortion to pull bar at groove top place.
The utility model outside contact beam of beam and end intercostal arranges 8 groups of internal thread broaching reinforcing bars as suspension rod.
Described hydraulic system is according to complete machine function needs, and hydraulic system is divided into outer beam side crossing system, outer beam bottom board opening and closing system, interior beam side opening and closing system, No. 4 leg support systems of outer beam, several major parts of inner beam supporting leg support system.
Hydraulic work system principle: electric motor starting, Hydraulic Station drive motors is by shaft coupling driving axial Variable plunger pump, now electromagnetic relief valve is in off-position, the pressure oil that pump is discharged directly returns to fuel tank with lower pressure by overflow valve, make empty load of motor starting, starting current is little, and hydraulic system is without impact; Start corresponding button, solenoid operated directional valve and overflow valve are simultaneously charged, and hydraulic oil, by pump → solenoid operated directional valve → oil cylinder, overcomes load.Pumping plant adopts automatically controlled with regard near operation.The oil cylinder that each pumping plant is controlled can link, and can single action control again.
Mobile formwork electric-control system of the present utility model adopts modularity control pattern, mainly comprises the parts such as outer beam traveling control section, inner beam traveling control, hydraulic power unit control.Outer beam traveling control section is according to technological requirement, adopts a frequency converter timing to drive: No. 2 legs of outer beam, No. 3 legs hangings of outer beam 8 of running motors after 8, motor, No. 2 legs of outer beam, 16, No. 3 leg carrying roller roller box electricity consumption machines of outer beam, outer beam for traveling.Inner beam traveling control section adopts a frequency converter timing to drive 16.The motor of each running part completes braking by electromagnetic brake.Hydraulic power unit control system is mainly comprised of local operation case, and security of system is reliable, easy to maintenance.
Operating principle of the present utility model is as follows:
The utility model adopts inside and outside main beam structure, and inside and outside modular system is suspended on respectively on inside and outside girder, rational in infrastructure, stressed clear and definite, safe and reliable; The inside and outside mould automatic opening/closing system of all-hydraulic control; Inside and outside girder system system drives by motor, independent via hole separately, and traveling is steady, safe and efficient.
Described outer modular system first rotates the combination opening ways of rear translation, after aqueduct has been built, first removes the connection system of stitching in bed die, utilizes hydraulic jack by bed die Unscrew, and hanging is on side form; Then utilize and be arranged on the sideslip oil cylinder on outrigger, promote side form and carry bed die both sides translation to the left and right, complete the unlatching of outer modular system.
The via hole mode of outer girder system system is as follows: during outer girder system system via hole, travelling wheel acting in conjunction by traveling after No. 2 leg carrying rollers of outer beam, No. 3 leg carrying rollers of outer beam and outer beam, the outer beam via hole of common promotion, No. 4 legs of outer beam and No. 1 leg of outer beam and Wai Liang are rigidly connected, with its via hole; No. 2 legs of outer beam, No. 3 legs of outer beam utilize himself hanging traveling via hole separately.Because there is respectively the ater-casting of 550mm at aqueduct two ends, after outer beam, traveling can not be passed through two hole aqueducts continuously, so traveling after outer beam is arranged on one group of outrigger at rear of outer beam, after the outer beam of whole via hole process, traveling acts on a hole slot all the time.Thereby all problems of crossing ater-casting of outer girder system have been solved.
The setting of outer modular system middle hanger, chevron structure for double square aqueduct, 8 groups, the suspension rod that vertically runs through aqueduct median ventral plate is set between end rib and the contact beam of Wai Liang (1a), with improve end rib laterally just, intensity, guarantee to have built the profile physical dimension of rear aqueduct.Inner formwork system hanging, in inner beam system, utilizes the running truck of inner beam system, with the common via hole of inner beam system; In concrete beam casting process, the supporting leg by inner beam system is supported on the upper vertical force of transmitting of Dun Ding.Inner beam system and inner formwork system are that a span length arranges, when when building across assembling reinforcement, inner beam system and inner formwork system across interior, are not are not occupied reinforcing bar binding working space in rear.
Outer modular system utilizes the hanging external fin of himself to hang on the outrigger of the system of girder system outside, during via hole with outer beam via hole; In concrete beam casting process, by hanging external fin, vertical force is passed to the outrigger of outer beam, finally pass to each supporting leg of outer girder system system; Outer girder system system is taken outer modular system, and inner beam system is taken inner formwork system via hole and is motor driving; The opening and closing mould of outer modular system is hydraulic-driven, and the opening and closing mould of inner formwork system is hydraulic-driven.
The utility model has following beneficial effect compared to existing technology:
1, the utility model is simple in structure, and processing capacity is less, saves cost;
2, a hole slot rear mobile formwork integral body of having constructed walks to walk to next hole, and without repeatedly assembled formwork and precompressed, short construction period and required personnel are few;
3, structure stress is clear and definite, theoretical calculating with actual that a situation arises is very identical, and structural safety is reliable, and is conducive to the construction control of groove body, guarantees good linear;
4, the span centre of the utility model self-propelled moveable formwork is without any support, mobile formwork deadweight and concrete pit body weight are born by groove pier, therefore across a ground, do not need to process, when construction, do not affect normal current, navigation simultaneously, there are significant economic results in society.
More specifically: the utility model and prior art (be railway box for beam mobile formwork and full framing etc.) are compared, advantage and outstanding feature that it is maximum are: adopt inside and outside main beam structure, inside and outside modular system is suspended on respectively on inside and outside girder, rational in infrastructure, stressed clear and definite, safe and reliable; The inside and outside mould automatic opening/closing system of all-hydraulic control; Inside and outside girder system system drives by motor, independent via hole separately, and traveling is steady, safe and efficient.
Accompanying drawing explanation
Fig. 1 is that assembling of the present utility model is always schemed.
Fig. 2 is the lateral view of Fig. 1.
Fig. 3 is the structure chart of No. 1 leg of Fig. 1 China and foreign countries' beam.
Fig. 4 is the structure chart of No. 2 legs of Fig. 1 China and foreign countries' beam.
Fig. 5 is the structure chart of No. 3 legs of Fig. 1 China and foreign countries' beam.
Fig. 6 is the structure chart of No. 4 legs of Fig. 1 China and foreign countries' beam.
Fig. 7 is outer beam system construction drawing.
Fig. 8 is the lateral view of Fig. 7.
Fig. 9 is outer girder construction figure.
Figure 10 is the top view of Fig. 9.
Figure 11 is the A-A sectional view of Fig. 9.
Figure 12 is the B-B sectional view of Fig. 9.
Figure 13 is the C-C sectional view of Fig. 9.
Figure 14 is the D-D sectional view of Fig. 9.
Figure 15 is the structure chart of No. 1 leg of outer beam.
Figure 16 is the lateral view of Figure 15.
Figure 17 is the structure chart of No. 2 legs of outer beam.
Figure 18 is the top view of Figure 17.
Figure 19 is that No. 2 legs of Figure 17 China and foreign countries' beam are in holding state figure.
Figure 20 is that No. 2 legs of Figure 17 China and foreign countries' beam are in rollover states figure.
Figure 21 is the structure chart of No. 3 legs of outer beam.
Figure 22 is the top view of Figure 21.
Figure 23 is that No. 3 legs of Figure 21 China and foreign countries' beam are in holding state figure.
Figure 24 is that No. 3 legs of Figure 21 China and foreign countries' beam are in rollover states figure.
Figure 25 is the structure chart of No. 4 legs of outer beam.
Figure 26 is the lateral view of Figure 25.
Figure 27 is the structure chart of traveling after outer beam.
Figure 28 is the left view of Figure 27.
Figure 29 is external mold system construction drawing.
Figure 30 is the A-A sectional view of Figure 29.
Figure 31 is the B-B sectional view of Figure 29.
Figure 32 is the structure chart of inner beam system.
Figure 33 is the lateral view of Figure 32.
Figure 34 is six groups of transverse moving structure arrangement diagrams in Figure 32.
Figure 35 is inner formwork system structure chart.
Figure 36 is construction process figure.
Figure 37 is the double square water conservancy aqueduct figure after having constructed.
Figure 38 is the lateral view of Figure 37.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Fig. 1,2,3,4,5,6,7,8, the self-propelled moveable formwork for the construction of double square water conservancy aqueduct of the present utility model comprises several major parts such as outer girder system system (1), outer modular system (2), inner beam system (3), outer modular system (4), electric-control system (5) and hydraulic system (6); The main bearing system that outer girder system system (1) is this equipment, is mainly comprised of traveling (1f) after outer beam (1a), No. 1 leg of outer beam (1b), No. 2 legs of outer beam (1c), No. 3 legs of outer beam (1d), No. 4 legs of outer beam (1e), outer beam.Its China and foreign countries' beams (1a) (shown in Fig. 9 ~ 14) adopt composite box girders form, for two longerons (1a-3) form, 9.5 meters of two longerons (1a-3) center to center distance, form whole by contacting beam (1a-4) and 16 groups of symmetrical outriggers (1a-2) in front contact beam (1a-5), rear contact beam (1a-1), 8 groups between two longerons (1a-3); Outer girder is the major bearing structures of Channel Maker, and the state of building is passed to load respectively to build across front and back square pier by 3, No. 4 supporting legs of outer beam and pushes up.
No. 1 leg of outer beam described in the utility model (1b) fixedly mounts beam (1a) front end outside, is two column door type structures.Column lower end is joined oil cylinder and is adjusted column height.During support, be that threaded screw rod is stressed.Between two columns, be provided with M shape bracing, structural stability good (referring to Figure 15,16).
No. 2 legs of outer beam described in the utility model (1c) are movable leg, are supported in front square pier top during casting condition.No. 2 legs of outer beam (1c) top band carrying roller and hanging shift unit, bottom band supporting screw, carrier roller mechanism has been used for the via hole displacement of outer beam and external mold; Erecting by overhang has been used for the vertical shift of supporting leg self.Supporting screw is used for carrying.The same with No. 1 leg of outer beam, its below is provided with rotation perk device, in order to by pier top shock-proof block; No. 2 legs of outer beam (1c) are twin columns portal structures, and main stress column is box-girder.Between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace, structural stability is good; Distribution beam is established in No. 2 legs of outer beam (1c) bottom, and 4 identical tapered stud are established in distribution beam below, and longitudinal pitch 2200mm, strides across pier top shock-proof block, and horizontal spacing 9500mm aligns pier inner vertical plate (referring to Figure 17,18,19,20).
No. 3 legs of outer beam described in the utility model (1d) are movable leg, are supported in the front square pier top (referring to Figure 21,22,23,24) of casting bay during casting condition; No. 3 legs of outer beam (1d) top band carrying roller and hanging shift unit, bottom band supporting screw, carrier roller mechanism has been used for the via hole displacement of outer beam and external mold, and erecting by overhang has been used for the vertical shift of supporting leg self, and supporting screw is used for carrying; No. 3 legs of outer beam (1d) are twin columns portal structures, and main stress column is box-girder.Between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace, structural stability is good; No. 3 legs of outer beam (1d) below is provided with distribution beam, and beam has two kinds of tapered stud of height, and high column is directly supported in Dun Ding, and between distribution beam, is provided with upset perk device.Short upright supports is on the shock-proof block of pier top.Two groups of column longitudinal pitch 2200mm, horizontal spacing 9500mm, aligns pier inner vertical plate; No. 3 legs of outer beam (1d) are provided with hound, in the process of concreting, with No. 4 legs of outer beam, after outer beam, across longitudinally forming two just leg door type structures, prevent complete machine reach, cause built cell body reach.
No. 4 legs of outer beam described in the utility model (1e) are gradual change box pillar construction, 18.62 meters of column spacing.Supporting leg lower end is with oil cylinder, and in order to regulate complete machine absolute altitude, self is with mechanical locking; The rigidity buttress that is provided with two 600mm below oil cylinder, it highly exceeds the reserved steel bar of Dun Ding.Buttress is directly supported on Dun Ding, is connected (referring to Figure 25,26) with cylinder pedestal flange bolt.
Last that after outer beam described in the utility model, traveling (1f) fixedly mounts beam rear part outside is to (referring to Figure 27,28) on outrigger; Bottom is provided with wheel track running gear, and No. 2 legs of outer beam (1c), No. 3 legs of outer beam (1d) carrying roller one work, and realizes the unite traveling of (1) of outer girder system.Between roller box and outrigger, be provided with sideslip oil cylinder, traveling (1f) spacing 13.35m after two outer beams in casting process, to avoid aqueduct vertical prestressing bar.Build that health completes, after vertical prestressing bar stretch-draw excision, the jacking of No. 4 legs of outer beam (1e) support cylinder, sideslip oil cylinder is released respectively 1m laterally by two rear travelings, travelling wheel aligns the walking rails being well placed, No. 4 legs of outer beam (1e) oil cylinder falls, travelling wheel drops on walking rails, prepares via hole.
Outer modular system (2) described in the utility model mainly comprises: side form (2a), bed die (2b), external fin (2c), end rib (2d), suspension rod (2e) (referring to Figure 29,30,31); Described outer modular system (2) directly bears the lateral pressure that concrete gravity and concrete produce, and template is made by panel and shaped steel assembly welding, thick 8 millimeters of panel; Outrigger is installed on outer beam (1a) outside, and external fin (2c) is hung on outrigger.External fin (2c) side attachment is installed side form (2a), and external fin (2c) bottom is provided with turning hinge, for connecting end rib (2d).Bed die adheres to that to be installed on end rib (2d) upper, end rib (2d) the hinge rotation that can rotate.Between external fin (2c) and outrigger, oil cylinder is installed, for realizing external fin (2c), drives the traversing keying of side form (2a).Between external fin (2c) and end rib (2b), oil cylinder is installed, for realizing external fin (2c), drives the traversing keying of side form (2a).External fin (2c) (totally 8 roads) is mounted to integral body with side form (2a) plate.The end-blocking template that end mould is aqueduct, piecemeal is made, and the every heavy 200kg of end mould left and right, is convenient to manual demolition and installation.External fin (2c) is provided with top to pull bar, to reduce the distortion of external fin (2c) at place, groove top.In order to reduce the lower amount of deflection of end rib (2d), improve equipment dependability, guarantee the well linear of groove body.Between the contact beam of beam (1a) and end rib (2d), arrange outside 8 groups of internal thread broaching reinforcing bars as suspension rod (2e).
Inner beam system (3) described in the utility model is totally two covers, and every cover forms (referring to Figure 32,33,34) by inner beam (3a), interior traveling (3b), transverse-moving mechanism (3c) etc.Described inner beam system (3) is mainly born the lateral pressure that in the deadweight of inner formwork system (4) and concreting process, concrete produces.Described inner beam (3a) is trussed construction, is divided into 3 joints, and internode bolt flange connects, 30 meters of total lengths.Inner beam (3a) is high 3 meters, wide 2.4 meters, and top-bottom chord is that groove 36 make-up assembly weldings form, and side is provided with internal mold mounting ear seat.Described inner beam supporting leg is fixedly mounted on inner beam (3a) bottom.Supporting leg bottom is provided with 8 cover wheel track road wheel casees, roller box top support post and girder lower edge bolt.Realize the traveling of inner beam system (3).The support at described inner beam (3a) two ends, for inner beam (3a) and internal mold are supported, is provided with support cylinder, makes interior traveling (3b) supporting leg come to nothing in casting process.Utilize rail clamping device that the split heads of walking rails, track below is together mentioned with road wheel case.Build rear inner beam (3a) two end supports oil cylinder, prepared via hole.
Inner formwork system described in the utility model (4) is totally two covers, and every cover is by comprising that interior side form (4a), internal mold support leverage (4b), contact beam forms (4c) forms (referring to Figure 35).Described inner formwork system (4) directly bears the lateral pressure that in fluid concrete process, concrete produces, and keeps the size of aqueduct inner chamber.Internal mold transverse adjusting oil cylinder left and right 2*6 group is altogether installed above inner beam, and every group has 2 oil cylinders, totally 24 oil cylinders; Between inner beam (3a) and template, be provided with internal mold and rotarily open oil cylinder 2*6 group, every group has 2 oil cylinders, totally 24 oil cylinders.Inner formwork system is partly comprised of internal mold, strut, cross-arm, oil cylinder etc.
.internal mold is supported on inner beam and by jack and coordinates jack to complete its folding and unfolding and exactitude position.
At oblique angle, internal mold bottom, section all has feed opening and ventilation mouth at interval of certain distance along the line, and is furnished with stopend.
Hydraulic system brief introduction in the utility model is as follows:
According to complete machine function needs, hydraulic system (6) is divided into outer beam side crossing system (6a), outer beam bottom board opening and closing system (6b), interior beam side opening and closing system (6c), No. 4 leg support systems of outer beam (6d), several major parts of inner beam supporting leg support system (6e).
Hydraulic system (6) operating principle: electric motor starting, Hydraulic Station drive motors is by shaft coupling driving axial Variable plunger pump, now electromagnetic relief valve is in off-position, the pressure oil that pump is discharged directly returns to fuel tank with lower pressure by overflow valve, make empty load of motor starting, starting current is little, and hydraulic system is without impact; Start corresponding button, solenoid operated directional valve and overflow valve are simultaneously charged, and hydraulic oil, by pump → solenoid operated directional valve → oil cylinder, overcomes load.Pumping plant adopts automatically controlled with regard near operation.The oil cylinder that each pumping plant is controlled can link, and can single action control again.
Electrical system brief introduction in the utility model is as follows:
Mobile formwork electric-control system (5) adopts modularity control pattern, mainly comprises that (5b) controlled in outer beam traveling control section (5a), inner beam traveling, hydraulic power unit is controlled parts such as (5c).Outer beam (1a) traveling control section is according to technological requirement, adopts a frequency converter timing to drive: No. 2 legs of outer beam (1c), No. 3 legs of outer beam (1d) hanging 8, traveling (1f) motor after 8, motor, No. 2 legs of outer beam (1c), 16, No. 3 legs of outer beam (1d) carrying roller roller box electricity consumption machine, outer beam for traveling.Inner beam traveling is controlled (5b) part and is adopted a frequency converter timing to drive 16.The motor of each running part completes braking by electromagnetic brake.Hydraulic power unit control system (5c) is mainly comprised of local operation case, and security of system is reliable, easy to maintenance.
Concrete real form of construction work of the present utility model is described as follows (referring to Figure 36):
1 ~ No. 4 supporting leg of outer beam is supported in Dun Ding, and 1 ~ No. 4 supporting leg of outer beam supports outer main girder frame, and outrigger is installed in outer main girder frame side, and external fin and external mold hanging form aqueduct side profile on outrigger; The hinged external fin below that hangs over of bed die; At the bottom of inner beam supporting leg is supported in respectively front square pier top and rear aqueduct, inner beam supporting leg supports inner beam, inner beam one span length, and side is installed inner formwork system and is formed aqueduct inner chamber profile.The outer modular system of outer beam and interior girder inner formwork system coordinate an aqueduct manufacturing platform that can vertically move of formation, complete the cast-in-place construction of aqueduct.
Bed die rotarily opens, and the traversing unlatching of external mold makes bed die can pass through groove pier, and outer beam is taken the external mold via hole that longitudinally moves forward and arrived next construction position, and side form is traversing to be closed up, and bed die rotation is closed up, and starts next hole construction.
Step 1
1, external mold returns to Construction State, and bed die middle part pull bar is installed; 2, colligation base plate, web reinforcement; 3, inner formwork system advances and puts in place and Zhi Li, colligation top board reinforcing bar, top board pull bar is installed; 4, concreting, health, stretch-draw; 5, one finishes across aqueduct construction, and mobile formwork is prepared via hole.
1, removing seam in bed die connects; 2, bed die rotarily opens; 3, side form carries the traversing unlatching of bed die, makes bed die allow groove pier.
Step 3,
1, No. 1 leg, No. 4 legs come to nothing, and remove No. 3 leg diagonal braces and connect; 2, No. 2 legs, No. 3 legs are converted to carrying roller and support; 3, No. 5 legs are supported on the track of aqueduct end face; 4, start No. 2 legs, No. 3 legs, No. 5 leg vertical shift mechanisms, drive the outer beam of mobile formwork and external mold to advance and one be cross over position.
1, No. 1 leg, No. 4 legs support.
1, front square pier topmast support is arrived in No. 2 leg hangings voluntarily.
1, front square pier topmast support is arrived in No. 3 leg hangings voluntarily, and diagonal brace is installed; 2, bed die is rotating closed, and mobile formwork via hole finishes, and prepares aqueduct construction.
Claims (6)
1. for a self-propelled moveable formwork for double square water conservancy aqueduct construction, it is characterized in that: it comprises outer girder system system (1), outer modular system (2), inner beam system (3), inner formwork system (4), electric-control system (5) and hydraulic system (6); Described outer girder system system (1) by outer beam (1a), No. 1 leg of outer beam (1b), No. 2 legs of outer beam (1c), No. 3 legs of outer beam (1d), No. 4 legs of outer beam (1e), outer beam after traveling (1f) form; Its China and foreign countries' beams (1a) are tank-shaped composite girder construction, adopt twin beams to be arranged in parallel, between twin beams, by contact beam, some groups of symmetrical outriggers in the middle of two groups of end contact beams and many groups, form integral body; No. 1 leg of outer beam (1b) fixedly mounts beam (1a) front end outside, for two column door type structures, is provided with M shape bracing between two columns, and column lower end is provided for adjusting the oil cylinder of column height; No. 2 legs of described outer beam (1c) are movable leg, and top is provided with for completing the carrying roller of outer beam and external mold via hole displacement and for completing the hanging shift unit of supporting leg self vertical shift; No. 2 legs of described outer beam (1c) are twin columns portal structures, and column is box-girder; Between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace; Distribution beam is established in No. 2 legs of outer beam (1c) bottom, and four identical tapered stud are established in distribution beam below; No. 3 legs of described outer beam (1d) are movable leg, and top is provided with for completing the carrying roller of outer beam and external mold via hole displacement and for completing the hanging shift unit of supporting leg self vertical shift; No. 3 legs of described outer beam (1d) are twin columns portal structures, column is box-girder, between two columns, be provided with upper and lower twice contact beam, between contact beam, be provided with diagonal brace, No. 3 legs of outer beam (1d) below is provided with distribution beam, and beam has two kinds of tapered stud of height, and high column is directly supported in Dun Ding, and between distribution beam, be provided with upset perk device, short upright supports is on the shock-proof block of pier top; And be provided with hound between described No. 3 legs of outer beam (1d) and outer beam (1a); No. 4 legs of described outer beam (1e) are gradual change box pillar construction wide at the top and narrow at the bottom, supporting leg lower end is provided with to regulate complete machine absolute altitude, and the oil cylinder with mechanical locking, below oil cylinder, be provided with two rigidity buttresses, it highly exceeds the reserved steel bar of Dun Ding, buttress is directly supported on Dun Ding, is connected with cylinder pedestal flange bolt; Last that after described outer beam, traveling (1f) fixedly mounts beam rear part outside is on outrigger, and bottom is provided with wheel track running gear, between roller box and outrigger, is provided with sideslip oil cylinder; Described outer modular system (2) comprises side form (2a), bed die (2b), external fin (2c), end rib (2d), suspension rod (2e); The template of outer modular system (2) is made by panel and shaped steel assembly welding; Outrigger is installed on outer beam (1a) outside, external fin (2c) hanging is on outrigger, and it is upper that external fin (2c) side attachment is installed side form (2a), and external fin (2c) bottom is provided with for connecting end rib (2d) turning hinge, bed die adheres to that to be installed on end rib (2d) upper, end rib (2d) the hinge rotation that can rotate; The oil cylinder that drives the traversing keying of side form (2a) for realizing external fin (2c) is installed between external fin (2c) and outrigger, the oil cylinder that drives the traversing keying of side form (2a) for realizing external fin (2c) is installed between external fin (2c) and end rib (2b); The lateral pressure inner beam system (3) that in the described deadweight of mainly bearing inner formwork system (4) and concreting process, concrete produces is totally two covers, and every cover forms by inner beam (3a), interior traveling (3b), transverse-moving mechanism (3c); Described inner beam (3a) is trussed construction, is divided into three joints, and internode bolt flange connects, and side is provided with internal mold mounting ear seat; In inner beam (3a) bottom, be installed with inner beam supporting leg, supporting leg bottom is provided with some cover wheel track road wheel casees, roller box top support post and girder lower edge bolt; Between the support at inner beam (3a) two ends, be provided with for supporting the support cylinder of inner beam (3a) and internal mold; Inner formwork system (4) is totally two covers, and every cover is by comprising that interior side form (4a), internal mold support leverage (4b), contact beam forms (4c) forms; In inner beam (3a) top, some groups of internal mold transverse adjusting oil cylinders are installed, every group has two oil cylinders; Between inner beam (3a) and template, be provided with some groups for driving internal mold to rotarily open oil cylinder, every group has two oil cylinders; At oblique angle, internal mold bottom, section has feed opening and ventilation mouth along the line uniformly at intervals, and is furnished with stopend.
2. self-propelled moveable formwork according to claim 1, is characterized in that: described No. 2 legs of outer beam (1c) bottom is provided with the supporting screw for carrying, supporting screw.
3. self-propelled moveable formwork according to claim 1, is characterized in that: the below of No. 1 leg of described No. 2 legs of outer beam (1c) and outer beam (1b) is equipped with in order to the rotation perk device by pier top shock-proof block.
4. self-propelled moveable formwork according to claim 1, is characterized in that: the bottom of described No. 3 legs of outer beam (1d) is provided with the supporting screw for carrying.
5. self-propelled moveable formwork according to claim 1, is characterized in that: described external fin (2c) is monolithic construction with side form (2a), the end-blocking template that end mould is aqueduct, and piecemeal is made; External fin (2c) is provided with top for reducing external fin (2c) distortion to pull bar at groove top place.
6. self-propelled moveable formwork according to claim 1, is characterized in that: between the contact beam of beam (1a) and end rib (2d), arrange outside 8 groups of internal thread broaching reinforcing bars as suspension rod (2e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658169.7U CN203514207U (en) | 2013-10-24 | 2013-10-24 | Self-propelled movable formwork for double-rectangular water conservancy aqueduct construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658169.7U CN203514207U (en) | 2013-10-24 | 2013-10-24 | Self-propelled movable formwork for double-rectangular water conservancy aqueduct construction |
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| Publication Number | Publication Date |
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| CN203514207U true CN203514207U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320658169.7U Withdrawn - After Issue CN203514207U (en) | 2013-10-24 | 2013-10-24 | Self-propelled movable formwork for double-rectangular water conservancy aqueduct construction |
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| CN (1) | CN203514207U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526697A (en) * | 2013-10-24 | 2014-01-22 | 郑州新大方重工科技有限公司 | Self-propelled movable formwork for construction of double-rectangle water conservancy aqueduct |
| CN104195990A (en) * | 2014-09-16 | 2014-12-10 | 葛洲坝集团第一工程有限公司 | Installation method of circumferential rebars for large-span U-shaped flume |
| CN105887688A (en) * | 2016-04-27 | 2016-08-24 | 中建五局土木工程有限公司 | Elevation adjusting device of suspended beam template, movable template and elevation adjusting method |
-
2013
- 2013-10-24 CN CN201320658169.7U patent/CN203514207U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526697A (en) * | 2013-10-24 | 2014-01-22 | 郑州新大方重工科技有限公司 | Self-propelled movable formwork for construction of double-rectangle water conservancy aqueduct |
| CN103526697B (en) * | 2013-10-24 | 2015-07-15 | 郑州新大方重工科技有限公司 | Self-propelled movable formwork for construction of double-rectangle water conservancy aqueduct |
| CN104195990A (en) * | 2014-09-16 | 2014-12-10 | 葛洲坝集团第一工程有限公司 | Installation method of circumferential rebars for large-span U-shaped flume |
| CN104195990B (en) * | 2014-09-16 | 2016-03-30 | 葛洲坝集团第一工程有限公司 | Large span U-shaped aqueduct circumferential reinforcement mounting method |
| CN105887688A (en) * | 2016-04-27 | 2016-08-24 | 中建五局土木工程有限公司 | Elevation adjusting device of suspended beam template, movable template and elevation adjusting method |
| CN105887688B (en) * | 2016-04-27 | 2018-04-03 | 中建五局土木工程有限公司 | Drop in beam formwork elevation measuring adjusting means, mobile formwork and absolute altitude adjusting method |
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