CN107829408B - Rectangular aqueduct construction steel mould trolley - Google Patents

Rectangular aqueduct construction steel mould trolley Download PDF

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Publication number
CN107829408B
CN107829408B CN201711348082.9A CN201711348082A CN107829408B CN 107829408 B CN107829408 B CN 107829408B CN 201711348082 A CN201711348082 A CN 201711348082A CN 107829408 B CN107829408 B CN 107829408B
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China
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trolley
template
inner trolley
pull rod
push
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CN107829408A (en
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李正
谢殿华
孙彦魁
翟玉成
杨占坡
胡中秋
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Inner Mongolia Liaohe Engineering Bureau Co ltd
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Inner Mongolia Liaohe Engineering Bureau Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/02Making or lining canals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

A rectangular aqueduct construction steel mould trolley consists of an inner trolley and an outer trolley; the inner trolley consists of an inner trolley track (1), an inner trolley chassis (2) and a plurality of inner trolley template structural units consisting of an inner trolley door frame (3), an inner trolley template and an inner template lifting device; the outer trolley is composed of an outer trolley track (17), a plurality of outer trolley template structure units consisting of an outer trolley door frame (18) and an outer trolley template lifting device; two sides of the outer platform door type frame (18) are respectively provided with 3 layers of construction operation platforms; the inner and outer trolley traction devices are respectively provided with a winch. After the groove wall and the flange plate of the casting one section of aqueduct reach a certain strength, the inner trolley template and the outer trolley template are disassembled, so that the casting machine can move forward to the next section of station under the traction of the winch, the hoisting equipment is not needed, manual carrying is not needed, the construction efficiency is improved by about 3 times, and the labor force is greatly saved. Saving turnover materials and improving appearance quality.

Description

Rectangular aqueduct construction steel mould trolley
Technical Field
The invention relates to equipment for hydraulic engineering construction, in particular to a steel mould trolley for rectangular aqueduct wall and flange plate construction, which is suitable for large and medium rectangular aqueducts.
Background
The prior large-scale aqueduct template scheme is usually of two types, namely on-site assembly and customized aqueduct making machine. The template scheme of the south-to-north-transfer central line trunk canal and river aqueduct belongs to the former and the template scheme of the turbulent river aqueduct belongs to the latter.
The south-to-north central line trunk canal aqueduct is a three-way prestress cast-in-situ overhead aqueduct, the external structural size of the aqueduct body is 29.96 multiplied by 22 multiplied by 7.9m, the flow cross section of the single groove is 6 multiplied by 5.4m, the empty weight of the single-span aqueduct body is about 3500t, and the aqueduct body is constructed in two layers. The first layer of the tank body adopts 55 series of templates, and the mode of scattered support and scattered assembly is adopted; the second layer of the tank body adopts 186 series large-block combined shaping steel templates, and the inner side die completes the longitudinal movement and positioning of the templates by a transportation trolley; the side girder side mould is disassembled by matching with a 50t crawler crane.
The turbulent river aqueduct is composed of three parallel aqueducts, the construction party spends more than 5000 ten thousand yuan, the technology of 'in-situ cast-in-situ construction' of the grooving machine is introduced for the first time in China, the construction is performed on site, one section is finished, and the next section is poured. The scheme has the advantages of high one-time investment, long equipment manufacturing period, high transportation, installation and disassembly cost, high construction cost and high construction cost, and is only used for the engineering.
The template scheme of the prior medium-sized aqueduct is basically assembled on site by adopting a combined steel template, individual engineering adopts a large template, and is assembled and disassembled by utilizing a crane, so that the scaffold is required to be constructed at each section, and the traditional template has a large quantity of turnover materials. The two schemes all utilize denser split bolts to strengthen the template, the split bolts still need to be processed after pouring is finished, and labor and material resources are consumed, so that the appearance quality is influenced. The two schemes have low construction efficiency and high cost.
Disclosure of Invention
The invention aims to provide a steel mould trolley for rectangular aqueduct construction, which is used for pouring the groove wall and flange plates of the rectangular aqueduct, has high construction efficiency, saves labor and reduces cost.
The technical scheme of the invention is as follows:
a rectangular aqueduct construction steel mould trolley consists of an inner trolley and an outer trolley;
the inner trolley is composed of an inner trolley track, an inner trolley chassis and a plurality of inner trolley template structural units consisting of an inner trolley door frame, an inner trolley template and an inner trolley template lifting device; the inner trolley rail is paved on the aqueduct bottom plate, an inner trolley chassis is arranged on the inner trolley rail, each inner trolley door type frame is connected on the inner trolley chassis, two sides of each inner trolley door type frame are respectively provided with a group of hinged templates, the hinged templates are inner trolley vertical templates and inner trolley horizontal templates which are connected by an inner trolley template hinged shaft, a supporting device is arranged under each inner trolley horizontal template, the supporting device is connected at the top of each inner trolley door type frame, and the lower part of each inner trolley vertical template is fixed at the lower part of the aqueduct through a fastener; each inner trolley door frame is connected with an inner trolley template lifting device consisting of an inner trolley template hinge shaft, an inner trolley template push-pull rod and a stress application pushing lifting device; an inner trolley winch for inner trolley traction is arranged on an inner trolley chassis;
the outer trolley is composed of an outer trolley track and a plurality of outer trolley template structure units consisting of an outer trolley door frame, an outer trolley template and an outer trolley template lifting device; the outer trolley rails are paved on strip foundations at two sides of the aqueduct, each outer trolley door type frame is erected on the outer trolley rail, a group of hinged templates are respectively arranged at two sides in each outer trolley door type frame, each hinged template is an outer trolley vertical template and an outer trolley horizontal template which are connected by an outer trolley template hinge shaft, a supporting device is arranged under each outer trolley horizontal template, the supporting device is connected to the top of each outer trolley door type frame, and the lower part of each outer trolley vertical template is fixed at the lower part of the aqueduct through a fastener; each outer trolley door frame is connected with an outer trolley template lifting device consisting of an outer trolley template hinge shaft, an outer trolley template push-pull rod and a stress application pushing lifting device; three layers of construction operation platforms are respectively arranged on two sides of the outer trolley door type frame, and an outer trolley winch for outer trolley traction is arranged on the construction operation platforms.
The number of the inner trolley template structural units and the outer trolley template structural units is 10.
The inner trolley template lifting device is characterized in that each inner trolley hinged template is provided with an inner trolley template push-pull rod, the included angle between the push-pull rod and the horizontal plane is 45 degrees, the upper part of the inner trolley template push-pull rod is connected with an inner trolley door-type frame cross beam through an upper guide roller of the inner trolley push-pull rod, the lower part of the inner trolley template push-pull rod is provided with an inner trolley push-pull rod lower guide roller, the upper end of the inner trolley template push-pull rod is connected with an inner trolley template hinged shaft, and the lower end of the inner trolley template push-pull rod is provided with an inner push-pull rod movable pulley; the top angle of the inner trolley door type frame is provided with a door type frame top angle stiffening rib, the joint of the top angle stiffening rib and a door type frame vertical beam is provided with two fixed pulleys, the two fixed pulleys are arranged on two sides of the inner push-pull rod movable pulley, two ends of the inner trolley lifting device are provided with inner trolley template lifting assistor, the assistor is internally provided with a lead screw, the lead screw is connected with an inner trolley steel wire rope through a connecting device, the inner trolley steel wire rope passes through the inner push-pull rod movable pulley at the lower end of each inner trolley template push-pull rod and the fixed pulleys on two sides of the inner push-pull rod movable pulley, and the inner trolley template push-pull rod is provided with a push-pull rod limiting block which is arranged on the upper surface of a guide roller on the inner trolley push-pull rod.
An inner trolley template push-pull rod movable pulley is arranged at the lower end of the inner trolley template push-pull rod, and provides thrust for the inner trolley template push-pull rod when the inner trolley template lifting assistor pulls the inner trolley steel wire rope; when screw rods at two ends of the steel wire rope of the inner trolley are screwed, the steel wire rope of the inner trolley generates tension, so that the push-pull rod of the inner trolley template drives the inner trolley to hinge the template into position, and a wedge block is added between a limiting block of the push-pull rod and a guide roller sleeve on the push-pull rod of the inner trolley after the template is in position, so that the steel wire rope of the inner trolley is not bearing, and the inner trolley door type frame is bearing. When the screw rod is unscrewed, the push-pull rod of the inner trolley template is downwards displaced by means of the weight of the inner trolley hinged template, so that the inner trolley hinged template is reset.
The supporting device under the horizontal template of the inner trolley is characterized in that an inner positioning sliding block is arranged on the inner trolley door type frame, an inner moving sliding block is arranged on the inner positioning sliding block, and the inner moving sliding block is connected under the horizontal template of the inner trolley.
The outer trolley door type frame is an adjusting portal frame and consists of a plurality of sections, and the height of the outer trolley door type frame can be adjusted according to the terrain.
The invention has the advantages that: 1 after the groove wall and the flange plate of the one section of aqueduct are poured by the equipment and reach a certain strength, the inner trolley and the outer trolley are disassembled to hinge the template, so that the template can move forward under the traction of a winch, the preparation is made for pouring the groove wall and the flange plate of the next section of aqueduct, the template can directly move to the next section of station, the hoisting equipment is not needed, the manual carrying is not needed, the construction efficiency is improved by about 3 times, only 2 people are used for operation during operation, and the labor force is greatly saved. 2. The turnover material is saved, a scaffold is not required to be manually built, and the installation and the disassembly operations are easy. 3. The number of the split bolts is small, the outer surface is not required to be treated after pouring, and the appearance quality is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic overall perspective view of an embodiment of the present invention;
FIG. 3 is a schematic view of a template lifting device according to the present invention;
FIG. 4 is a block diagram of a unit hinge template of the present invention;
fig. 5 is an end configuration view of the inner trolley form lifting device of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In fig. 1 to 5, 1, an inner carriage rail; 2. an inner trolley chassis; 3. an inner trolley door type frame; 4. an inner push-pull rod movable pulley; 5. an inner trolley wire rope; 6. a fixed pulley; 7. lifting assistor for inner trolley template; 8. the lower guide roller of the push-pull rod of the inner trolley; 9. an inner trolley template push-pull rod; 10. the inner trolley push-pull rod is provided with a guide roller; 11. an inner trolley template hinge shaft; 12. inner trolley vertical templates (trusses); 13. an inner trolley horizontal template (section steel stiffening rib type); 14. an inner moving slide block; 15. a fixed sliding block; 16. an inner trolley hoist; 17. an outer trolley track; 18. an outer trolley door type frame; 19. pushing out the movable pulley of the pull rod; 20. an outer trolley wire rope; 21. the outer trolley template lifts the fixed pulley; 22. the outer trolley template lifts the assistor; 23. the lower guide roller of the push-pull rod of the outer trolley; 24. an outer trolley template push-pull rod; 25. the outer trolley push-pull rod is provided with a guide roller; 26. an outer trolley template hinge shaft; 27. outer trolley vertical templates (trusses); 28. an outer trolley horizontal template (section steel stiffening rib type); 29. an outer trolley hoist; 30. a bottom layer construction operation platform; 31. a middle layer construction operation platform; 32. a top layer construction operation platform; 33. safety guard rails; 34. the top split bolt can be pulled out for reuse; 35. embedding bolts at the bottom of the inner trolley template; 36. embedding bolts at the bottom of the outer trolley template; 37. the first-stage concrete of the aqueduct; 38. aqueduct second-phase concrete; 39. aqueduct frame beams; 40. pile columns; 41. filling piles; 42. a riverbed sand gravel formation; 43. an external sliding block; 44. an external sliding block; 45. a connecting device; 46. a No. 10 door-shaped frame; 47. a No. 1 door-shaped frame cross beam; 48. a top angle stiffening rib of the door-shaped frame; 49. the template hinge shaft supports the hand; 50. a push-pull rod limiting block; 51. a nut; 52. and (5) a screw rod.
As can be seen from fig. 1-2, the overall structure of the present invention, 37, is a first-poured aqueduct bottom concrete, the bottom plate has a small truncated trough wall, the inner trolley is built at the first-poured aqueduct bottom, and the portion to be poured is aqueduct second-phase concrete 38. FIG. 2 is a schematic perspective view of the whole structure, the trolley is composed of ten inner and outer trolley template structural units, the width of the unit templates is 1500mm, the connecting length of 10 unit templates is 15m, and the connecting length is exactly equal to the mark length of a section of aqueduct.
The inner trolley track 1 is paved on an aqueduct bottom plate, an inner trolley chassis 2 is arranged on the inner trolley track, each inner trolley door type frame 3 is connected to the inner trolley chassis 2, two sides of each inner trolley door type frame are respectively provided with a group of hinged templates, each hinged template consists of an inner trolley vertical template 12 and an inner trolley horizontal template 13 which are connected by an inner trolley template hinge shaft 11, and the lower part of each inner trolley vertical template is fixed on aqueduct first-stage concrete 37 through an inner trolley template bottom embedded bolt 35; each inner trolley door frame 3 is connected with an inner template lifting device consisting of an inner trolley template hinging shaft 11, an inner trolley template push-pull rod 9 and a stress application pushing device, the top of each inner door frame is provided with an inner sliding block 15 with a 45-degree sliding surface for supporting an inner trolley horizontal template, the upper part of the inner sliding block is provided with an inner movable sliding block 14, and the inner movable sliding block is connected under the inner trolley horizontal template 13; an inner trolley hoist 16 for inner trolley traction is placed on the inner trolley chassis 2.
The outer trolley rails 17 are paved on strip foundations at two sides of the aqueduct, each outer trolley door type frame 18 is arranged on the outer trolley rail 17, two sides in each outer trolley door type frame are respectively provided with a group of hinged templates, each hinged template consists of an outer trolley vertical template 27 and an outer trolley horizontal template 28, which are connected by an outer trolley template hinged shaft 26, and the lower part of each outer trolley vertical template 27 is fixed on first-stage concrete 37 of the aqueduct through an embedded bolt 36 at the bottom of each outer trolley template; the top of each outer door frame is provided with an outer fixed slide block 44 with a 45-degree angle sliding surface for supporting the outer trolley horizontal template 27, and an outer movable slide block 43 is arranged on the outer fixed slide block and is connected below the outer trolley horizontal template 28. Each outer trolley door frame is connected with an outer template lifting device consisting of an outer trolley template hinge shaft 26, an outer trolley template push-pull rod 24 and a stress application pushing device; the two sides of the outer platform door type frame 18 are respectively provided with a bottom layer construction operation platform 30, a middle layer construction operation platform 31 and a top layer construction operation platform 32; an outer trolley hoist 29 for traction of the outer trolley is provided on the floor construction operation platform.
Fig. 3 is a schematic structural view of the inner trolley form lifting device, in which the form lifting device connected with the inner trolley form 1 and 10 and the lifting device connected with the middle hinge form 5 and 6 are shown, and other lifting devices are omitted. 46 is a number 10 gantry; the lifting devices at the two ends are provided with an inner trolley template lifting assistor 7. The structure of the outer trolley template lifting device is the same as that of the inner trolley template lifting device, and the description is not repeated.
Fig. 5 is a structure diagram of the end part of an inner trolley template lifting device, wherein each inner trolley template is provided with an inner trolley template push-pull rod 9, the included angle between the push-pull rod and the horizontal plane is 45 degrees, the upper part of the inner trolley template push-pull rod 9 is connected with an inner trolley No. 1 door-type frame cross beam 47 through an inner trolley push-pull rod guide upper roller 10, the lower part of the inner trolley template push-pull rod is provided with an inner trolley push-pull rod lower guide roller 8, the upper end of the inner trolley template push-pull rod is connected with an inner trolley template hinge shaft 11, and the lower end of the inner trolley template push-pull rod is provided with an inner trolley push-pull rod movable pulley 4; the top angle of the inner trolley door type frame is provided with a door type frame top angle stiffening rib 48, the joint of the top angle stiffening rib and a door type frame vertical beam is provided with two fixed pulleys 6, the two fixed pulleys are arranged at two sides of an inner push-pull rod movable pulley 4 at the lower end of the inner trolley template push-pull rod, two ends of an inner trolley lifting device are provided with inner trolley template lifting assistor 7, a screw 52 and a screw 51 are arranged in the assistor, the screw is connected with an inner trolley steel wire rope 5 through a connecting device 45, the inner trolley steel wire rope passes through each inner push-pull rod movable pulley 4 and the fixed pulleys 6 at two sides of the inner trolley movable pulley, and a push-pull rod limiting block 50 is arranged on the inner trolley template push-pull rod 9 and is guided on an upper roller 10 of the inner trolley push-pull rod. 49 is a template hinge handle.
Fig. 4 is a block diagram of a unit hinge template, and it can be seen that the inner trolley hinge template and the outer trolley hinge template have the same structure, the inner trolley vertical template 12 and the inner trolley horizontal template 13 are connected together by the inner trolley template hinge shaft 11, the inner and outer trolley vertical templates 12, 27 are truss type, the inner and outer trolley horizontal templates 13, 28 are steel stiffening rib type, and the inner trolley vertical template 12 and the inner trolley horizontal template 13 are simultaneously positioned or returned by the rising or falling of the inner trolley template push-pull rod 9. The top split bolts 34 and the bottom pre-buried bolts 35 are used for fixing the hinged formwork after being in place. And 14 is an internal moving slide.
In fig. 1 and 2, the height of the outer landing door frame 18 is Cheng Queding based on the river floor height. The outer trolley is divided into two specifications according to the height: overhead trolley (gantry height 8.38 m) and low trolley (gantry height 6.42 m).
The operation process comprises the following steps: after pouring of the aqueduct is completed, the aqueduct can be disassembled to reach the specified strength, firstly, the top split bolts 34 of the inner hinged template, the embedded bolts 35 at the bottom of the inner trolley template, the embedded bolts 36 at the bottom of the outer trolley, and the vertical template is pried by a special tool to rotate by 1-2 degrees around the hinge shaft, the wedge-shaped block on the lifting device is disassembled, the screw rod 52 of the booster of the inner trolley template is unscrewed, the inner trolley vertical template 12 and the inner trolley horizontal template 13 return by self gravity, and thus the templates are separated from concrete; starting an inner trolley winch, and pulling the inner trolley to a next pouring station by means of a front anchor and a guide pulley; and brushing oil on the hinged templates of the inner trolley, detaching the hinged templates of the outer trolley according to the method, aligning the inner trolley and the outer trolley to the next station, operating the template lifting devices of the inner trolley and the outer trolley to position the inner template and the outer template, installing the split bolts 34 at the top of the templates and the embedded bolts 35 and 36 of the footing, and pouring after the installation. The whole shifting process does not need a crane.

Claims (3)

1. A rectangular aqueduct construction steel mould trolley which is characterized in that: consists of an inner trolley and an outer trolley;
the inner trolley is composed of an inner trolley track (1), an inner trolley chassis (2) and a plurality of inner trolley template structural units consisting of an inner trolley door frame (3) and an inner trolley template lifting device; the inner trolley track (1) is paved on a aqueduct bottom plate, an inner trolley chassis (2) is arranged on the inner trolley track, each inner trolley door type frame (3) is connected on the inner trolley chassis, two sides of each inner trolley door type frame are respectively provided with a group of hinged templates, the hinged templates are an inner trolley vertical template (12) and an inner trolley horizontal template (13) which are connected by an inner trolley template hinged shaft (11), a supporting device is arranged under each inner trolley horizontal template, the supporting device is connected with the top of each inner trolley door type frame (3), and the lower part of each inner trolley vertical template is fixed at the lower part of the aqueduct through a fastener; an inner trolley winch (16) for inner trolley traction is arranged on the inner trolley chassis (2);
the inner trolley template lifting device is characterized in that each inner trolley template is provided with an inner trolley template push-pull rod (9), the included angle between the push-pull rod and the horizontal plane is 45 degrees, the upper part of the inner trolley template push-pull rod is connected with an inner trolley door-shaped frame cross beam through an upper guide roller (10) of the inner trolley push-pull rod, the lower part of the inner trolley template push-pull rod is provided with an inner trolley push-pull rod lower guide roller (8), the upper end of the inner trolley template push-pull rod is connected with an inner trolley template hinge shaft (11), and the lower end of the inner trolley template push-pull rod is provided with an inner push-pull rod movable pulley (4); the top angle of the inner trolley door type frame is provided with a door type frame top angle stiffening rib (48), the joint of the top angle stiffening rib and a door type frame vertical beam is provided with two fixed pulleys (6), the two fixed pulleys are arranged at two sides of the inner trolley type movable pulley (4), two ends of the inner trolley type lifting device are provided with inner trolley type plate lifting assistor (7), a lead screw (52) is arranged in the assistor, the lead screw is connected with an inner trolley steel wire rope (5) through a connecting device (45), the inner trolley steel wire rope passes through the inner trolley type plate movable pulley (4) at the lower end of the inner trolley type plate push-pull rod and the fixed pulleys (6) at the two sides of the inner trolley type plate push-pull rod, a push-pull rod limiting block (50) is arranged on the inner trolley type plate push-pull rod, and the limiting block is arranged on the upper surface of the inner trolley type plate push-pull rod guide roller (10);
the outer trolley is composed of an outer trolley track (17), a plurality of outer trolley template structure units consisting of an outer trolley door frame (18) and an outer trolley template lifting device; the outer trolley rails (17) are paved on strip foundations at two sides of the aqueduct, each outer trolley door type frame is erected on the outer trolley rail, two sides in each outer trolley door type frame are respectively provided with a group of hinged templates, each hinged template is an outer trolley vertical template (27) and an outer trolley horizontal template (28) which are connected by an outer trolley template hinged shaft (26), a supporting device is arranged under each outer trolley horizontal template, the supporting device is connected to the top of each outer trolley door type frame, and the lower part of each outer trolley vertical template is fixed at the lower part of the aqueduct through a fastener; three layers of construction operation platforms are respectively arranged on two sides of the outer trolley door type frame, and an outer trolley winch (29) for outer trolley traction is arranged on the construction operation platforms;
the outer trolley template lifting device is the same as the inner trolley template lifting device;
the number of the inner trolley template structural units and the outer trolley template structural units is 10.
2. The rectangular aqueduct construction steel form trolley of claim 1, wherein: the supporting device under the horizontal template of the inner trolley is characterized in that an inner positioning sliding block (15) is arranged on the inner trolley door type frame (3), an inner moving sliding block (14) is arranged on the inner positioning sliding block, and the inner moving sliding block is connected under the horizontal template of the inner trolley.
3. The rectangular aqueduct construction steel form trolley of claim 1, wherein: the outer trolley door type frame (18) is an adjusting door frame and is composed of a plurality of sections.
CN201711348082.9A 2017-12-15 2017-12-15 Rectangular aqueduct construction steel mould trolley Active CN107829408B (en)

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CN109736271A (en) * 2019-01-04 2019-05-10 杜国相 A kind of novel aqueduct construction method
CN109837870A (en) * 2019-02-21 2019-06-04 广东省水利水电科学研究院 One kind exempting from demoulding structuring aqueduct template

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