CN105780736A - Cast-in-place construction device for chute - Google Patents
Cast-in-place construction device for chute Download PDFInfo
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- CN105780736A CN105780736A CN201610281609.XA CN201610281609A CN105780736A CN 105780736 A CN105780736 A CN 105780736A CN 201610281609 A CN201610281609 A CN 201610281609A CN 105780736 A CN105780736 A CN 105780736A
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- trowel
- chute
- fixed
- cast
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a cast-in-place construction device for a chute. The cast-in-place construction device for the chute comprises a supporting part, a trowel part, a forming part and a traction part, wherein in the supporting part, advancing tracks are fixed to two parallel edges of a square bracket, and a cement sand cushion layer is arranged at the lower part of the square bracket; in the trowel part, the trowel part is formed by connecting the edges of a trowel bending surface and a trowel straight surface, and hand pushing rods are fixed on the outer sides of the middle parts of the trowel bending surface and the trowel straight surface respectively; in the forming part, a feeding hole is formed in the front end of the forming part, a setting groove is formed in the back end of the forming part, a material baffle is fixed between the feeding hole and the setting groove, and a rolling wheel is fixed to the outer side of the setting groove; and in the traction part, a rotary shaft is arranged on a supporting frame, a manual winch is fixed on one edge of the rotary shaft, and track buckles which are adapted to the tracks are arranged in parallel on the two edges of the bottom surface of the supporting frame. With adoption of the cast-in-place construction device for the chute, the chute can be in one-time pouring forming, so that multiple construction steps are eliminated, the cost is saved, and the construction period is shortened.
Description
Technical field
The present invention relates to chute construction equipment field in drainage system, be specifically related to a kind of chute cast-in-place construction device.
Background technology
For reducing mountain torrents and state of debris flow disasters, build the row at waste small stream alluvial fan or the erosion exit or entrance of a clitch and lead measure, mainly include trraning pole, chute and three parts of line dike.The Main Function of trraning pole is to improve mud-rock flow to flow to, and also improves flow velocity；The Main Function of chute is to improve flow velocity；The Main Function of line dike is to improve to flow to, it is prevented that cross flow.Generally by trraning pole and chute composition drainage groove, to improve the mud-rock flow force and velocity of a current on alluvial fan and the flow direction.Trraning pole and line dike composition bundle wall, to prevent mud-rock flow cross flow from changing its course harm.
In highway engineering, chute is often built into slope on both sides of the road, for draining and reach to slow down the purpose of water velocity, highway subgrade plays very big protective effect.Traditional handicraft is precasting process: i.e. prefabricated (build, maintenance, pile up, transport), transport (handling), installation (jointing), base plate secondary are cast-in-place, maintenance.Working procedure is complicated, and long construction period, cost is big.
Summary of the invention
The technical problem to be solved is to provide a kind of chute cast-in-place construction device, adopts this device, chute one-time-concreting molding, simplifies multinomial construction procedure, saves cost, reduction of erection time.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of chute cast-in-place construction device, including supporting the support portion of chute global facility, the trowel portion of molding that concrete is wiped one's face, the forming part that concrete casting builds up chute and the tractive unit pulling forming part to move forward；
Support portion: being fixed with traveling track on square set two parallel edges, described square set bottom is provided with cement bonded sand bed course；
Trowel portion: described trowel portion is faced directly both sides by trowel bent face and connects and form with trowel, faces outside, middle part directly at described trowel bent face and trowel and is all fixed with handspike；
Forming part: described forming part front end has feeding mouth, and rear end is provided with fixed slot, is fixed with striker plate between described feeding mouth and fixed slot, is fixed with scroll wheel outside fixed slot；
Tractive unit: be provided with rotation axle on bracing frame, described rotation axle is fixed with hand winch, and both sides, support frame as described above bottom surface are arranged with the track buckle adapted with track of advancing in parallel.
According to such scheme, outside described fixed slot, it is further fixed on reinforcement.
According to such scheme, it is also equipped with hand winch at described rotation axle another side.
According to such scheme, described traveling track adopts common 12.6 channel-section steels.
According to such scheme, described track buckle adoptsScrew-thread steel 4 blocks of 45x5 angles with equal legs of welding, every piece of long 3cm of angle steel.
According to such scheme, the steel plate thickness that described trowel bent face and trowel are faced directly is 5mm, and the standard size straight section into 10cm faced directly by described trowel, and described trowel bent face is the transition of long 2cm, external diameter profile 5mm bigger than standard section size.
According to such scheme, the diameter of described handspike is 30mm, long for 10cm.
Compared with prior art, the invention has the beneficial effects as follows: adopting apparatus of the present invention to realize cast in place process, concrete mixing, concrete transportation, sliding formwork are cast-in-place, maintenance, so that chute one-time-concreting molding, simplify multinomial construction procedure, saved cost, shorten the duration.
Accompanying drawing explanation
Fig. 1 is one chute cast-in-place construction device overall schematic of the present invention.
Fig. 2 is the forming part structural representation of one chute cast-in-place construction device of the present invention.
The trowel portion that Fig. 3 is one chute cast-in-place construction device of the present invention uses schematic diagram.
Fig. 4 is the trowel portion structural representation of one chute cast-in-place construction device of the present invention.
Fig. 5 is the supporting structure schematic diagram of one chute cast-in-place construction device of the present invention.
Fig. 6 is the tractive unit structural representation of one chute cast-in-place construction device of the present invention.
In figure: 1-striker plate；2-feeding mouth；3-reinforcement；4-scroll wheel；5-fixed slot；6-chute；7-trowel bent face；8-handspike；9-trowel is faced directly；10-hand winch；11-rotates axle；12-bracing frame；13-track buckle；14-square set；15-cement bonded sand bed course；16-traveling track.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.A kind of chute cast-in-place construction device provided by the invention, its structure is: include supporting the support portion of chute global facility, the trowel portion of molding that concrete is wiped one's face, the forming part that concrete casting builds up chute and the tractive unit pulling forming part to move forward.
Forming part: as in figure 2 it is shown, described forming part front end has feeding mouth 2, rear end is provided with fixed slot 5, is fixed with striker plate 1 between described feeding mouth 2 and fixed slot 5, is fixed with scroll wheel 4 outside fixed slot 5.Feeding mouth 2: feeding mouth 2 processes on custom built forms basis, excises backform in both walls within the scope of the 50cm of custom built forms one end, welds pan feeding horn mouth, finally in a template between position cross section welding striker plate 1.
Support portion (rail attachment system): as it is shown in figure 5, be fixed with traveling track 16 on 14 liang of parallel edges of square set, described square set 14 bottom is provided with cement bonded sand bed course 15.Arranging track buckle 13 at traveling track 16 lowermost end, track buckle 13 adoptsScrew-thread steel 4 blocks of 45x5 angles with equal legs of welding, every piece of angle steel 3cm length.Bottom traveling track 16, start every 3m arrange bilateral and fixAnchor bar, long 30cm, anchor into degree of depth 20cm, traveling track 16 adopts common 12.6 channel-section steels.
Tractive unit: as shown in Figure 6, is provided with rotation axle 11 on bracing frame 12, and described rotation axle 11 is fixed with hand winch 10, and both sides, support frame as described above 12 bottom surface are arranged with the track buckle 13 adapted with track 16 of advancing in parallel.Bracing frame 12 adopts common 10 channel-section steels and the welding of 50x6 angle steel, bracing frame 12 both sides welded top external diameter 70mm bearing, two side bearings are to wearing diameter 30mm rod iron (rotating axle 11), every side exceeds bearing length 15cm, often end weld diameter 25cm, thick 5mm circle steel plate, steel plate spacing 10cm, this region is used for lay winding wire ropes, outside plate welding L-typeRound steel hand winch 10, length is 15cm.Another in bracing frame 12 bottom weldingRound steel track buckle 13.
Because external diameter 70mm bearing is installed at bracing frame 12 top, external diameter 70mm bearing is installed in sliding formwork both sides, and bearing both sides are weldedRound steel is spacing for steel wire rope, and apparatus of the present invention drive system is equivalent to movable pulley drive system, and steel wire body one end is fixed on bottom bracing frame 12, is wound to the steel plate of bracing frame 12 top two after the bearing being installed in template.Needed for pulling forming part, pulling force is for overcoming forming part assembly gravity, concrete resistance, track resistance, pulley power consumption etc., and native system installs movable pulley tensioning system, and it is required pulling force half that drive system applies pulling force.
In Zambia's Mang Gu-Ta Bo Highway Project surface drainage, estimating through scene, during forming part construction, required pulling force summation is about 250kg, then drive system should provide 125kg pulling force.This engineering adopts6 × 19 2, steel wires draw high for forming part, and looking into GB/T8918-1996 " steel wire rope " specification, to obtain its rupture pull force be 20.00KN.Then wire-rope safety factor is: K=Sp/P=2 × 20 × 1000/ (125 × 9.8) ≈ 32.In formula, K is for adjusting safety coefficient, and Sp is breaking force of rope, the use pulling force of P steel wire rope.Its safety coefficient 32 is far longer than the manpower driving equipment safety coefficient 4.5 of regulation in specification, it can be seen that, its safe wire cable fully meets requirement.
Trowel portion: as shown in Figure 4, for ease of concrete coating molding, the special sizing hand push trowel adopting custom built forms processing and fabricating to meet design size, described trowel portion is faced directly 9 both sides by trowel bent face 7 and connects and form with trowel, faces outside in the middle part of in the of 9 directly at described trowel bent face 7 and trowel and is all fixed with handspike 8.Its steel plate thickness is 5mm, long 12cm, divides two sections and is welded, and one section is 10cm standard size straight section, and another section is 2cm length, the transition of external diameter profile 5mm bigger than standard section size, it is simple to construction.
Adopt the Specific construction of apparatus of the present invention and build mode details are as follows.
1, construction process
Preparation of construction → surveying setting-out → excavation pit → cushion construction → track (support portion) and lifting bracket (tractive unit) install fixing → template (forming part) installation in position → slipform casting → molding of wiping one's face (trowel portion) → maintenance.
2, installation and casting method
1) preparation of construction: needing before construction to check each construction link running status and preparation, guarantee continuous production stably carries out.Mixing station need to check running status and raw material preparation etc., transport vehicle vehicle condition, each assembly of synovial membrane machine complete unit complete, and each welding position is firm.Checking rope capacity and abrasion situation, reaching the 10% of diameter for wear extent must change；The relevant preparation of inspection personnel and auxiliary facility.
2) surveying setting-out: construction is front is carried out accurate surveying and locating by survey crew to chute position, and with red symbol pen, chute midline position is marked in kerbstone.Site operation personnel put in a suitable place to breed in strict accordance with measurement and a little construct, it is ensured that chute position meets designing requirement.
3) excavation pit: site operation personnel carry out foundation excavation according to surveying and locating point and design drawing, need to ensure excavation width and excavation slope ratio during excavation, excavation width is determined according to bed course width add operation space.
4) cushion construction: bed course adopts 1:3 cement mortar dry mixing bed course, thick 5mm, wide 1.0m.Hanging wire location is carried out by survey crew according to design slope ratio and width before cushion construction, site operation personnel carry out setting cushion in strict accordance with measuring graticule afterwards, bed course is chute basis is also the basis of anxious sliding formwork track, must assure that its gradient, width and flatness during construction, leveling compacting carries out watering maintenance after completing.
5) track and lifting bracket are installed fixing: first, and it is moistening that reply bed course carries out watering；Secondly, with axis for sliding formwork track centre trapped orbit channel-section steel, being placed on bed course by two track channel-section steels, fixing buckle is installed in bottom, to ensure track space；Again, anchor bar is vertically squeezed into bed course, anchors into degree of depth 20cm, be symmetrical arranged from the every 3m of rail base, it is ensured that shift outward does not occur orbital position；Finally, lifting bracket being installed on track top, fixing buckle buckles into track top, frame bottom snaps in inside track simultaneously, ensures that lifting bracket is firm and limits channel-section steel and inward deflection does not occur.
6) model sheetinstallat is in place: first, and gang form is positioned over track minimum point, and feeding mouth side is towards roadbed top-direction, and template both sides buckle into track；Secondly, check that steel wire rope canned paragraph and capstan winch are reliable and stable, and steel wire rope is buckled in template two side roller, it is ensured that both sides steel wire rope is tight, stress is equal.
7) slipform casting: because concrete adopts dry concrete, slump is less, and transport adopts the dumper of repacking rear bucket door, and dumper top covers sun-proof waterproof awning cloth, it is ensured that be transported to the concrete quality of job site.Concrete unloads to utility cart after being transported to scene, adopts the mode manually put in storage, situ configurationVibrating spear, vibrates while climbing shuttering, vibrates and ensure that it is unsuitable too fast that template promotes speed into mould concrete compaction, need to mate with concrete warehousing, coordination of vibrating.
8) wiping one's face molding: process of after slipform casting, formation of concrete being wiped one's face, side wall wipes one's face instrument for customization sizing trowel, and sizing trowel big opening end upward, is promoted, by artificial, shaping of wiping one's face.Base plate adopts common flat wiping manually to wipe one's face.Because dry concrete surface is rougher, in the process of wiping one's face, lid layer mortar is covered on surface, to repair the surface quality defect occurred once in a while and to ensure that final chute surfacing is attractive in appearance.
9) maintenance: adopt the mode of membrane curing.Chute built after by covered rearing with plastic film, surrounding adopts element soil pressure limit, it is ensured that plastic sheeting is tight, it is prevented that wind is raised, and curing cycle is 7 days, sends special messenger to check, it has been found that problem solves in time in maintenance processes.
Below by Zambia's Mang Gu-Ta Bo Highway Project surface drainage the present invention specifically applied and be illustrated.
1, layout design
Zambia's Mang Gu-Ta Bo Highway Project surface drainage adopts the mode arranging road surface horizontal wall inscription, kerbstone hydrops, chute concentration discharge.The every 35m of the normal paragraph of chute arranges a place, and the average slope height of roadbed is about 5m height, arranges 1693 places altogether completely.
2, concrete mix
The cast-in-place device construction method of this set sliding formwork adopts dry concrete, and this concrete performance meets slding form operation feature, and namely slump is little, molding fast, from entering, sliding formwork vibration compacting depanning required time is shorter, and depanning rear stability is good, it is simple to site operation.
This engineering employing match ratio is
Cement: sand: 5-10mm:10-20mm: water=325kg:804kg:372kg:692kg:187kg.
Slump is 0～10mm, and dimension suddenly spends 20S～40S.
2, construction period contrast
Prefabricated: all to meet under capacity requirements premise in prefabricated and on-the-spot transport, every piece of prefabricated component 50cm length, the every machine-team field measurement of each teams and groups installs about 80 pieces, builds including base plate secondary.
If scene configures according to 8 teams and groups, total lever factor=1140 ÷ 8 ≈ 143 days.
Sliding formwork is cast-in-place: all meet under capacity requirements premise at concrete agitation station and concrete transportation, cast-in-place about 40 meters of each teams and groups every machine-team field measurement sliding formwork.
If scene configures according to 8 teams and groups, total lever factor=470 ÷ 8 ≈ 59 days.
In sum, compare traditional prefabricated construction method that secondary is built that adds, adopt sliding formwork cast-in-place construction technique to save about 84 days durations.
3, construction cost contrast
Table 1 is prefabricated cost, and table 2 is for building cost.
Prefabricated (the 10m of table 13)
Cast-in-place (the 10m of table 2 sliding formwork3)
| Work, material, machine title | Unit | Quantity | Unit price | Subtotal |
| 1. artificial | 36 | 10 | 360 | |
| 2. fee of material | 2719.2 | |||
| C20 concrete | 10.3 | 264 | 2719.2 | |
| 3. machinery takes | 469.34 | |||
| HZS25 concrete mixing station | Machine-team | 0.16 | 369.6 | 59.14 |
| Chute slip-form machine | Machine-team | 0.625 | 228.48 | 142.8 |
| Within cargo vehicle 10t | Machine-team | 1.25 | 213.92 | 267.4 |
| Add up to | 3548.54 |
Visible, compare prefabricated mounting process, the sliding formwork cast-in-place method every 10m of construction3Saving cost 485.63 dollars, wherein labour cost 185.5 dollars, fee of material 32.69 dollars, machinery takes 267.44 dollars.Save totle drilling cost=(1693 × 1.36603/10) × 485.63 ≈ 11.2 ten thousand dollars.
Claims (7)
1. a chute cast-in-place construction device, it is characterised in that include supporting the support portion of chute global facility, the trowel portion of molding that concrete is wiped one's face, the forming part that concrete casting builds up chute and the tractive unit pulling forming part to move forward；
Support portion: being fixed with traveling track (16) on square set (14) two parallel edges, described square set (14) bottom is provided with cement bonded sand bed course (15)；
Trowel portion: described trowel portion is faced directly (9) both sides by trowel bent face (7) and connects and form with trowel, faces outside, (9) middle part directly at described trowel bent face (7) and trowel and is all fixed with handspike (8)；
Forming part: described forming part front end has feeding mouth (2), rear end is provided with fixed slot (5), being fixed with striker plate (1) between described feeding mouth (2) and fixed slot (5), fixed slot (5) outside is fixed with scroll wheel (4)；
Tractive unit: be provided with rotation axle (11) on bracing frame (12), described rotation axle (11) is while being fixed with hand winch (10), and support frame as described above (12) both sides, bottom surface are arranged with the track buckle (13) adapted with track of advancing (16) in parallel.
2. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterised in that described fixed slot (5) outside is further fixed on reinforcement (3).
3. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterised in that be also equipped with hand winch (10) at described rotation axle (11) another side.
4. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterised in that described traveling track (16) adopts common 12.6 channel-section steels.
5. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterised in that described track buckle (13) adoptsScrew-thread steel 4 blocks of 45x5 angles with equal legs of welding, every piece of long 3cm of angle steel.
6. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterized in that, the steel plate thickness of (9) faced directly by described trowel bent face (7) and trowel is 5mm, the standard size straight section that (9) are 10cm faced directly by described trowel, and described trowel bent face (7) is long 2cm, the transition of external diameter profile 5mm bigger than standard section size.
7. a kind of chute cast-in-place construction device as claimed in claim 1, it is characterised in that the diameter of described handspike (8) is 30mm, long for 10cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610281609.XA CN105780736B (en) | 2016-04-29 | 2016-04-29 | A kind of chute cast-in-place construction device |
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| CN201610281609.XA CN105780736B (en) | 2016-04-29 | 2016-04-29 | A kind of chute cast-in-place construction device |
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| CN105780736B CN105780736B (en) | 2017-09-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106593468A (en) * | 2016-11-30 | 2017-04-26 | 中国水电建设集团十五工程局有限公司 | Tunnel inverted arch concrete lining slip form and construction method |
| CN109763399A (en) * | 2019-01-10 | 2019-05-17 | 中铁隧道集团二处有限公司 | A kind of one body swimming ditch construction mould and construction method |
| CN113152493A (en) * | 2021-04-30 | 2021-07-23 | 中国葛洲坝集团第一工程有限公司 | Panel pouring slip form construction system and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106593468A (en) * | 2016-11-30 | 2017-04-26 | 中国水电建设集团十五工程局有限公司 | Tunnel inverted arch concrete lining slip form and construction method |
| CN106593468B (en) * | 2016-11-30 | 2019-03-08 | 中国水电建设集团十五工程局有限公司 | Tunnel inverted arch concrete lining sliding formwork and construction method |
| CN109763399A (en) * | 2019-01-10 | 2019-05-17 | 中铁隧道集团二处有限公司 | A kind of one body swimming ditch construction mould and construction method |
| CN113152493A (en) * | 2021-04-30 | 2021-07-23 | 中国葛洲坝集团第一工程有限公司 | Panel pouring slip form construction system and construction method |
| CN113152493B (en) * | 2021-04-30 | 2024-03-19 | 中国葛洲坝集团第一工程有限公司 | Panel pouring slip form construction system and construction method |
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