CN203097907U - Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode - Google Patents
Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode Download PDFInfo
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- CN203097907U CN203097907U CN 201320106353 CN201320106353U CN203097907U CN 203097907 U CN203097907 U CN 203097907U CN 201320106353 CN201320106353 CN 201320106353 CN 201320106353 U CN201320106353 U CN 201320106353U CN 203097907 U CN203097907 U CN 203097907U
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Abstract
The utility model discloses an integrated trolley for constructing a ventilation inclined shaft with a middle partition in an integrated pouring mode in order to overcome the defect that with a conventional construction method, a construction period is long. The integrated trolley for constructing the ventilation inclined shaft provided with the middle partition in the integrated pouring mode comprises two lining trolleys which are integrated through a blocking head formwork, wherein any trolley comprises a door frame, a steel rail, walking wheels and a panel in structure. When the integrated trolley is adopted to construct the ventilation inclined shaft provided with the middle partition in the integrated pouring mode, the inner side panels of the two trolleys form a space for pouring the middle pratition, the two trolleys are located along the two sides of the center line of the inclined shaft, after the trolleys are located, the two trolleys are connected into the integrated trolley, and the integrated trolley is utilized to pour concrete on the two side walls and the middle partition of the inclined shaft. Not only can the two trolleys move independently and be adjusted and tested, but also the two trolleys can be combined into the integrated trolley to achieve the effect that lining and the middle partition can be poured at the same time, and the malady easily happening in conventional construction is avoided.
Description
Technical field
The utility model relates to a kind of constructing tunnel chassis, particularly, is the ventilation inclined shaft lining construction that a kind of highway tunnel is established mid-board, the construction lining trolley of especially large section steep inclined shaft band mid-board lining cutting.
Background technology
At present, the highway tunnel of growing up tends to arrange underground Ventilator Room more, and the form that increases mid-board by inclined shaft realizes the supply and exhaust function, in operation, have advantages of little to destruction of surface, floor space is few, ventilation effect good.But in construction, with the first job practices routinely of the ventilation inclined shaft lining cutting of mid-board, carry out full section lining construction, the mid-board of then constructing separately, lining cutting and mid-board adopt two cover chassis.In order to reduce lining trolley dismounting restriction construction of central division wall progress, just generally after lining construction is complete, start the mid-board of constructing.The method has the working procedure complexity, and the construction period is long, and the seam crossing treatment of construction joints difficulty between mid-board and two linings is large, and the common faults such as spillage, faulting of slab ends are difficult to avoid, and the high drawback of chassis overall cost.
Summary of the invention
The purpose of this utility model is to solve the long defect of construction period that the conventional construction method exists, and a kind of integral trolley of the inclined shaft of the ventilation with mid-board formed by integrally casting construction is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of integral trolley of the inclined shaft of the ventilation with mid-board formed by integrally casting construction, described chassis comprises two lining trolleys, and two chassis are connected by the stopper template, and wherein the structure of arbitrary chassis comprises door frame, rail, road wheel and panel; Door frame comprises door frame bottom girder, door frame column and door frame crossbeam, and the junction of door frame bottom girder and door frame column arranges jack, and door frame crossbeam top is provided with rack supporting structure; Road wheel is loaded on door frame bottom girder bottom, and steel rail laying is in the road wheel bottom; Panel comprises outside lower panel, outer top surface plate and inner panel, and outside lower panel and outer top surface plate form arcwall face, and the inner panel main body is flat face, and the inner panel top is connected with the outer top surface plate is inboard; Between inner panel and inboard door frame column, leading screw is set, between the door frame column in outside lower panel and the outside, leading screw also is set, the outer top surface plate is supported fixing by rack supporting structure.
Chassis described in the utility model combines with lining trolley with simple rack supporting structure, two chassis can independently move and debug, can be combined into again an integral trolley and can build to realize lining cutting and mid-board simultaneously, avoid the disadvantage be prone in conventional construction.
Compare with the conventional construction method, use integral trolley described in the utility model to there is following beneficial effect:
(1) ventilation inclined shaft mid-board and lining cutting are once constructed, and have simple to operate, operation to simplify, circulation is accelerated, the duration is short, the characteristics of cost cutting.
(2) lining trolley good stability, safe.Construction equipment is simple, and the cooperation personnel are few.
(3) mid-board and attractive in appearance with lining cutting junction concrete appearance, without spillage, faulting of slab ends and obvious constuction joint.
Special-purpose lining trolley described in the utility model is applicable to the ventilation inclined shaft lining construction that highway tunnel is established mid-board, is particularly useful for the construction of large section steep inclined shaft band mid-board lining cutting.
The accompanying drawing explanation
The structural representation of the integral trolley that Fig. 1 is the utility model employing.
Fig. 2 is process chart.
Fig. 3 is the lining section schematic diagram.
Fig. 4 is the hoist engine basic schematic.
In figure, 1-rail, 2-road wheel, 3-door frame bottom girder, 4-door frame door pillar, 5-door frame crossbeam, 6-jack, 7-outside lower panel, 8-outer top surface plate, 9-inner panel, the 10-leading screw, the anti-outrigger of 11-, 12-longeron, the 13-column, 14-stull, 15-hoist engine, the 16-anchor pole, 17-anchor bar, 18-reinforced mesh.
The specific embodiment
As shown in Figure 1, the integral trolley of the inclined shaft of the ventilation with mid-board formed by integrally casting construction described in the utility model, comprise two lining trolleys, two chassis are connected by the stopper template, and wherein the structure of arbitrary chassis comprises door frame, rail 1, road wheel 2 and panel; Door frame comprises door frame bottom girder 3, door frame column 4 and door frame crossbeam 5, and door frame bottom girder 3 arranges jack 6 with the junction of door frame column 4, and door frame crossbeam 5 tops are provided with rack supporting structure; Road wheel 2 is loaded on door frame bottom girder 3 bottoms, and rail 1 is layed in road wheel 2 bottoms; Panel comprises outside lower panel 7, outer top surface plate 8 and inner panel 9, and outside lower panel 7 and outer top surface plate 8 form arcwall face, and inner panel 9 main bodys are flat face, and inner panel 9 tops are connected with outer top surface plate 8 is inboard; Between inner panel 9 and inboard door frame column 4, leading screw 10 is set, between the door frame column 4 in outside lower panel 7 and the outside, leading screw 10 also is set, outer top surface plate 8 is supported fixing by rack supporting structure.
Described rack supporting structure comprises anti-outrigger 11, longeron 12, column 13 and stull 14; Anti-outrigger 11 is fixed in door frame crossbeam 5 tops, and two ends are fixedly connected with outer top surface plate 8 with inner panel 9 respectively; Longeron 12 is fixed in anti-outrigger 11 tops, and column 13 bottoms are fixed on longeron 12, and stull 14 is fixedly connected between two adjacent upright 13.
While adopting above-mentioned integral trolley to construct to the ventilation inclined shaft formed by integrally casting with mid-board, formed the space of cast mid-board by two chassis inner panel; Along two chassis in location, inclined shaft center line both sides, chassis connects into an integral trolley by two chassis behind location, utilizes integral trolley to inclined shaft both sides abutment wall and mid-board while fluid concrete.
Below in conjunction with instantiation, the job practices that adopts the utility model car load chassis is done and illustrated.
One, construction technology process and key points for operation
As shown in Figure 2, key points for operation comprise following content to construction technology process:
1. preparation of construction
General ventilation inclined shaft is all that the place, hole is high, and with at the bottom of the Zheng Dong intersection, to meet the air draft requirement.For this reason, need first complete excavation and inverted arch during two chassis constructions, then by outside Nei Xiang hole, hole, carrying out lining cutting.Lining section is shown in Fig. 3.
Adopt two 50t hoist engines, 15 traction chassis, the hoist engine hauling distance is not more than 300m, and the hoist engine pedestal need arrange long Ф 25 reinforced anchor bolts 16 of 2m, spacing 25cm simultaneously.Base thickness 1m, adopt the disjunctor basis, and pre-buried Ф 28 anchor bars 17 and reinforced mesh 18, and anchor bar 17 is connected with anchor pole 16, to guarantee the stable and safety of hoist engine.Fig. 4 is the hoist engine basic schematic.Before construction, the pulling equipments such as hoist engine, wire rope are checked.
2. bottom the construction mid-board (optional step)
When the mid-board bottom design is fillet because bottom while building concrete pressurized larger, and that the circular formwork location reinforces difficulty is larger, and the mould phenomenon easily occurs to run.Select first to build bottom curvature portion mid-board (1m is high), reinforce and raising concrete presentation quality to facilitate chassis.
When the mid-board bottom design is stalk, but primary concreting mid-board and lining concrete, and without first carrying out the construction of mid-board bottom.
3. chassis is located
Chassis when location, will send, drain tunnel left and right two parts are along the symmetrical setting-out of inclined shaft center line, two chassis are located simultaneously, the construction lofting method is identical with the conventional lining setting-out, integral installation stopper template behind location, make it to form an integral body, becomes a chassis (as shown in Figure 1).
4. filling concrete
During filling concrete, should be noted that both sides abutment wall and mid-board pour into simultaneously, to guarantee not bias voltage of chassis.Abutment wall and the mid-board concrete perfusion discrepancy in elevation≤1m.
Two, material and equipment
Without the material of special instruction, the main plant of employing is in Table 1.
The main plant table of table 1
| Sequence number | Title | Specifications and models | Power | | Quantity | Purposes | |
| 1 | Lining trolley | 9m | ? | |
2 | ? | |
| 2 | Track | ? | ? | m | 150m | ? | |
| 3 | Delivery pump | HBT60 | | Platform | 1 | Concrete pumping | |
| 4 | Concrete tank | 10m 3 | ? | |
2 | Transport concrete outside |
|
| 5 | Hoist engine | | 280KW | Platform | 1 | Traction rail formula tank car and |
|
| 6 | Tape measure | 5000mm | ? | 1 | Measure |
||
| 7 | Attached vibrator | ? | 1.5 | Platform | 8 | |
|
| 8 | Electric drill | 22mm | ? | 1 | For applying the |
||
| 9 | Electric welding machine | BX400 | ? | |
1 | |
|
| 10 | Bar cutter | GJ40 | | Platform | 1 | Reinforcing |
|
| 11 | Angle-bender | | 3KW | Platform | 1 | Reinforcing bar processing |
Three, quality control
1. before the construction, measured setting-out, determined respectively the center line of two caverns, mid-board left and right.
2. the lining trolley localization examination is answered emphasis inspection list chassis width, height and integral trolley beam overall, highly.To guarantee that the lining cutting profile meets design requirement.
3. strict control is constructed match ratio and concrete-agitating time.Alternately build according to the window layering while building, control the concrete discharging height, mid-board and side wall concrete are built the discrepancy in elevation and are controlled in 1m, to prevent the chassis bias voltage.
The construction match ratio of strictly signing and issuing by test room stirs construction, forbids, at the additional unboiled water of pump truck, to carry out in time slump detection and adjustment, guarantees concrete workability.Secondly, strengthen vibrating, window internal vibration rod vibrate less than position, the bubble that can will be attached to by the method for the template of suitably vibrating template surface is discharged, and reduces the appearance of honeycomb.
4. before chassis is in place, concrete and chassis overlapping part surface are thoroughly cleaned out, chassis and concrete surface are close to as far as possible, before concreting, by whole fastening the putting in place of all support leading screws, guarantee that chassis integral body is stressed.In concreting process, the fastening degree of running check leading screw, find that there is lax leading screw fastening in time, keeps the resistance to overturning of chassis panel.Check chassis front and back cross dimensions, eliminate in time foozle, midline position requires accurately to set, and chassis center line and tunnel center line are consistent as far as possible.Slow down the filling concrete speed in the high 3m of pallet bottom and control slump in 16cm in concreting process.
5. in construction, guarantee concrete supply speed, two chassis continuous pourings, the cold seam of avoiding constructing.
6. as the bent limit of construction parapet, between bent limit parapet and lining trolley, with the 5mm rubber strip, be affixed on the chassis external mold and avoiding the spillage phenomenon to occur.
Four, safety measure
1. lining trolley, operation platform must have specialized designs, and processing and fabricating must meet designing requirement, guarantee the safety and stability of stand, and the height of guard rail should be greater than 1.2m.Springboard, base plate, ladder should be installed firmly and carry out anti-skidding processing.
2. stand no over-loading stacked items, forbid to huddle on workbench, on springboard and on scaffold and leave about, and the posted loading of should listing on stand, prevent the stacked items that overloads, and prevents from that article from falling to hurt sb.'s feelings.
3. all open flame source must keep enough safe distance with splash guard, in order to avoid the splash guard that ignites.The necessary isolating and protecting plate supply line of reinforcing bar welding equipment must keep certain distance with splash guard.
4. must there be the sleeve pipe measure in all supply lines by lining trolley, and the consumer plug-in strips such as electric welding machine, vibrator, delivery pump, circuit, earth leakage protective device, ground connection are good, electric wire without damaged, without electric leakage.
5. the use of acetylene, oxygen, put distance and the protection to meet national pertinent regulations, prevent exploding.
Concrete transfer pump with before should connect pipeline, pipeline is checked and pressure testing.
7. transport the vehicle of material and forbid the people to expect to load in mixture, forbid super wide, overload, superelevation, hypervelocity, defective material will bundle firmly.
8. when lining concrete pours into, must support by designing requirement, it is symmetrical that both sides rate of flooding and concrete surface lifting height are wanted, and checks at any time the stable of support during perfusion, prevents the burst-mode that the lining trolley bias voltage causes.
Five, environmental practice
1. the waste oil waste water of construction machinery, the processing of adopting an effective measure, discharge beyond standards, do not cause river and pollution of waterhead.
2. rinse water or the construction waste water of aggregate, after filtration, precipitation or other method are processed, just allow to enter river course.
Six, the beneficial effect analysis
Relatively, benefit is mainly manifested in following three aspects: for job practices while adopting the utility model chassis and conventional job practices,
1. duration benefit
In the conventional construction method, more than two chassis need interval 100m, as adopted hoist engine traction mid-board chassis, spacing distance also will increase, and will constantly keep this distance, to reduce construction, disturbs, the construction of mid-board chassis can not reach Ideal Cycle, need 3 months progresses of hysteresis lining cutting.
Job practices mid-board and lining cutting while adopting the utility model chassis are constructed simultaneously, reduced engineering time and the construction of mid-board in the conventional construction and disturb the claim for eot brought on the duration.And can realize a plate lining cutting in average 1.5～1.7 days, basic identical with the conventional construction lining cutting time, 150m～180m has been amounted in two lining cutting per month.
2. economic benefit
Chassis expense only, the lining cutting of conventional construction method and mid-board adopt two cover chassis, and expense is about 350,000 left and right, and under equal conditions, adopting the utility model chassis chassis design length is 9m.Door frame bottom girder and door frame column all adopt the 12mm steel plate to be welded, and rack supporting structure adopts I 16 i iron, and panel adopts the 10mm steel plate.Jack-up system adopts 8 50t jackscrew, 21 horizontal leading screw jack.Trolley running adopts two hoist engine tractions.Two chassis gross weight 49.1t, 25.53 ten thousand yuan of total costs.
Conventional job practices needs two complete work teams, wherein lining trolley 8 people and mid-board chassis 6 people, concreting 8 people.Lining trolley and mid-board chassis all need to be equipped with loader or excavator simultaneously, in order to promote chassis.Need two delivery pumps to carry out concreting.Job practices construction while adopting the utility model chassis only needs a complete work team, that is: chassis locate 4 people, reinforce 4 people, concreting 5 people, reduce by 9 people than the conventional construction personnel.
Duration shortens, and the labour reduces, and the reduction of loss is created good economic benefit for enterprise especially.
3. social benefit
Be mainly manifested on concrete appearance, conventional second pouring, mid-board and two linings are inevitable at the constuction joint of arch crown part, all kinds of spillages, faulting of slab ends easily occur, concrete is not full and the mass defect such as obvious constuction joint, the concrete that adopts this engineering method construction is at the vault place without the construction gap, and appearance is bright and clean attractive in appearance.
Seven, application example (suitable Bagao speed highway crossdrift a strip of land between hills tunnel 1# inclined shaft)
1. project profile
The long 1223.73m of crossdrift a strip of land between hills tunnel 1# inclined shaft, the gradient 11.52%, radius 5.1m, lining thickness 40cm, mid-board thickness 30cm, every linear meter(lin.m.) concrete quantity is 11.86m
3, crossdrift a strip of land between hills tunnel 1# inclined shaft lining section is shown in Fig. 5 .2.1.
2. condition of construction
Adopt two chassis mid-board one cast engineering methods, be equipped with that chassis is located 4 people, reinforced 4 people, concreting 5 people, be equipped with one of delivery pump simultaneously.Agitator and concrete tank and positive hole share, and complete all lining projects, while sharing 9 months.
3. evaluation of result
In crossdrift a strip of land between hills tunnel 1# inclined shaft mid-board and lining construction, by adopting two chassis one cast engineering methods, good economic benefit and social benefit have been obtained, this engineering method not only is applicable to mid-board and the lining construction of bilateral symmetry section, being equally applicable to foot has the mid-board of asymmetric section and the construction of lining cutting, and application prospect is very extensive.
Claims (2)
1. the integral trolley of constructing with the ventilation inclined shaft formed by integrally casting of mid-board, it is characterized in that: comprise two lining trolleys, two chassis are connected by the stopper template, and wherein the structure of arbitrary chassis comprises door frame, rail (1), road wheel (2) and panel; Door frame comprises door frame bottom girder (3), door frame column (4) and door frame crossbeam (5), and door frame bottom girder (3) arranges jack (6) with the junction of door frame column (4), and door frame crossbeam (5) top is provided with rack supporting structure; Road wheel (2) is loaded on door frame bottom girder (3) bottom, and rail (1) is layed in road wheel (2) bottom; Panel comprises outside lower panel (7), outer top surface plate (8) and inner panel (9), outside lower panel (7) and outer top surface plate (8) form arcwall face, inner panel (9) main body is flat face, and inner panel (9) top is connected with outer top surface plate (8) is inboard; Between inner panel (9) and inboard door frame column (4), leading screw (10) is set, between the door frame column (4) in outside lower panel (7) and the outside, leading screw (10) also is set, outer top surface plate (8) is supported fixing by rack supporting structure.
2. integral trolley according to claim 1, it is characterized in that: rack supporting structure comprises anti-outrigger (11), longeron (12), column (13) and stull (14); Anti-outrigger (11) is fixed in door frame crossbeam (5) top, and two ends are fixedly connected with outer top surface plate (8) with inner panel (9) respectively; Longeron (12) is fixed in anti-outrigger (11) top, and it is upper that column (13) bottom is fixed on longeron (12), and stull (14) is fixedly connected between two adjacent upright (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106353 CN203097907U (en) | 2013-03-08 | 2013-03-08 | Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106353 CN203097907U (en) | 2013-03-08 | 2013-03-08 | Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode |
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| Publication Number | Publication Date |
|---|---|
| CN203097907U true CN203097907U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320106353 Expired - Fee Related CN203097907U (en) | 2013-03-08 | 2013-03-08 | Integrated trolley for constructing ventilation inclined shaft provided with middle partition in integrated pouring mode |
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| CN (1) | CN203097907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682417A (en) * | 2018-07-04 | 2020-01-14 | 任丘市永基建筑安装工程有限公司 | Vertical combined stair board mould equipment |
| CN116971800A (en) * | 2023-09-21 | 2023-10-31 | 北京城建轨道交通建设工程有限公司 | Movable template trolley system for construction of partition wall in variable-section tunnel and conversion construction method |
-
2013
- 2013-03-08 CN CN 201320106353 patent/CN203097907U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682417A (en) * | 2018-07-04 | 2020-01-14 | 任丘市永基建筑安装工程有限公司 | Vertical combined stair board mould equipment |
| CN116971800A (en) * | 2023-09-21 | 2023-10-31 | 北京城建轨道交通建设工程有限公司 | Movable template trolley system for construction of partition wall in variable-section tunnel and conversion construction method |
| CN116971800B (en) * | 2023-09-21 | 2023-12-01 | 北京城建轨道交通建设工程有限公司 | Movable template trolley system for construction of partition wall in variable-section tunnel and conversion construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20180308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |