CN202899036U - Hanging basket machine and girder carrier under construction of crash barrier of non-bracket urban bridge - Google Patents
Hanging basket machine and girder carrier under construction of crash barrier of non-bracket urban bridge Download PDFInfo
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- CN202899036U CN202899036U CN 201220554801 CN201220554801U CN202899036U CN 202899036 U CN202899036 U CN 202899036U CN 201220554801 CN201220554801 CN 201220554801 CN 201220554801 U CN201220554801 U CN 201220554801U CN 202899036 U CN202899036 U CN 202899036U
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Abstract
The utility model discloses a hanging basket machine and a girder carrier under a construction of a crash barrier of a non-bracket urban bridge. The self-propelled hanging basket machine is characterized in that four movable wheel are arranged below a square frame, an extension plate is arranged on one side of a baseboard of the square frame, a balance weight object is arranged on the extension plate, a suspender is arranged on the top of the other side of the baseboard of the square frame, an inclined strut which is connected with the square frame is arranged under the suspender, and an operating hanging basket is connected below the top end of the suspender. A rotating shaft is arranged in the center of the top of the square frame, a support for connecting four angles of the baseboard of the square frame is arranged below the rotating shaft, and a direction control rudder and a concrete casting crane arm are connected with the rotating shaft. The self-propelled hanging basket machine and the girder carrier are homemade according to the construction requirements, construction progress is greatly improved, and normal construction is ensured.
Description
Technical field
The utility model relates to used special equipment in a kind of Urban Bridge anticollision barrier construction, and job practices of the present utility model should be used in Urban Bridge anticollision barrier engineering, is particularly suitable for on-water bridge, adopts during the unconventional construction such as higher bridge.
Background technology
The Urban Bridge anticollision barrier is as the accessory structure of bridge, and it is attractive in appearance that the quality of its apparent mass directly affects integral bridge, also will bring numerous technical barriers.The anticollision barrier construction technology need be set up support in the past, and template carrying, installation, reinforcing, difficulty are easily run mode ship slurry, and the concreting leakiness is prone to honeycomb, pitted skin, bubble and the linear mass defect such as not attractive in appearance.The Collison fence for bridge volume is little, the work high above the ground difficulty of construction is large, it is long to set up the rack construction cycle, there is potential safety hazard, the carrying of anti-collision wall template, installation, the possible characteristics of reinforcing, through field practice, sum up self-control self-propelled gun carriage and self-traveling hanging basket and realized Urban Bridge anticollision barrier non-stand construction method, overcome in the past construction technology template carrying, installed, reinforced difficulty, easily run the mode ship slurry, the concreting leakiness is prone to honeycomb, pitted skin, bubble and the linear mass defect such as not attractive in appearance.
Summary of the invention
For overcoming the deficiencies in the prior art, it is a kind of without used Hanging Basket car and gun carriage in the construction of support Urban Bridge anticollision barrier that the utility model provides.
The utility model is achieved by the following technical solution:
A kind of without support Urban Bridge anticollision barrier job practices, it is characterized in that: utilize the self-propelled gun carriage to have bad luck template, self-traveling hanging basket car lifting crash barrier template utilizes inner side template suspention outboard template, accomplishes erection without scaffolding; Outboard template in the inner part on the template gusseted hanging reinforced, wear split bolt from the outboard template bottom and inner formword is connected and fixed, adopt a muscle and flower basket bolt to adjust the template straight cis degree, adjust after the template again concreting, form removal covers wet curing after concrete strength reaches requirement.
The Specific construction step is as follows: the Specific construction step is as follows: preparation of construction → measurement unwrapping wire → the entering of reinforcing steel bar check, processing and colligation → template processing, branching standing template, linear adjustment → concrete sample make, concreting → form removal → concrete curing → metope are modified.
Described self-propelled gun carriage comprises handrail, girder, portal trestle and wheel, it is characterized in that: described portal trestle has wheel, the crossbeam of portal trestle is provided with the rod girder, one end of girder is connected with handrail, and the girder of the both sides of portal trestle has hanging nose, is connected with hawser on the hanging nose.
Described self-traveling hanging basket car, comprise that quadra, movable pulley, rotating shaft, direction control rudder, operation hanging basket, concrete build arm, it is characterized in that: described quadra has 4 movable pulleys, quadra base plate one side is provided with extension plate, extension plate is provided with mass, quadra base plate opposite side top is provided with suspension rod, and suspension rod has the diagonal brace that connects quadra, is connected with the operation hanging basket under the suspension rod top; The quadra center of top is provided with rotating shaft, and rotating shaft has the support that connects four jiaos of square chassis bases, is connected with direction control rudder and concrete in the rotating shaft and builds arm.
The beneficial effects of the utility model are: this construction technology is compared with traditional Support Method to have solved and need be set up support in advance, to technical barriers such as road, construction infection are large, is particularly suitable for on-water bridge, higher Collison fence for bridge construction.Also have in the conventional construction method, adopt construction with brackets need to take certain safeguard procedures, once construction environment changes, execution conditions are complicated, and the construction period is longer, and construction cost improves.And job practices of the present utility model can guarantee the duration, has also guaranteed normal construction and the vehicle pass-through of ground level road, simultaneously reducing construction cost.The utility model has solved crash barrier steel form the reinforcing difficulty has been installed, easily run the mode ship slurry, the concreting leakiness, be prone to honeycomb, pitted skin, bubble and the linear mass defect such as not attractive in appearance, the anticollision barrier outward appearance that employing is finished without support Urban Bridge anticollision barrier construction is bright and clean, linear smoothness, smooth-going is without phenomenons such as honeycomb, pitted skin, bubbles.The advantage of the method also has, and the job site support can not occur on every side pedestrian and vehicle are damaged, therefore with other job practices relatively, operating expenses is low, has good Social benefit and economic benefit, and promotional value is arranged in Urban Bridge Construction.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the used self-traveling hanging basket car of the utility model;
Fig. 2 is the structural representation of the used self-propelled gun carriage of the utility model;
Fig. 3 is that the utility model is without the formwork reinforcement schematic diagram of support Urban Bridge anticollision barrier;
Among the figure, 1 quadra, 2 movable pulleys, 3 extension plates, 4 mass, 5 suspension rods, 6 diagonal braces, 7 operation hanging baskets, 8 rotating shafts, 9 supports, 10 directions control rudder, 11 concretes are built arm, 12 earth anchors, 13 handrails, 14 girders, 15 portal trestles, 16 wheels, 17 hanging noses, 18 hawsers, 19 backguys, 20 gaily decorated basket spiral shell Quan, 21 muscle, 22 gusseted, 23 pull bars, 24 butterfly cards, 25 reinforce steel pipe, 26 split bolts, 27 bolts hole, 28 inner side template, 29 outboard templates.
The specific embodiment
With reference to Figure of description method of the present utility model is done following detailed explanation.
As shown in drawings, utilize the self-propelled gun carriage to have bad luck template at the circuit without the construction of support Urban Bridge anticollision barrier, the Hanging Basket car of certainly walking lifting crash barrier template utilizes inner side template 28 suspention outboard templates 29, accomplishes erection without scaffolding.Outboard template 29 in the inner part on the template 28 gusseted 22 hanging reinforced, the bottom is worn split bolt 26 and is connected and fixed with inner side template 28, adopt a muscle 21 and flower basket bolt 20 to adjust the template straight cis degree, adjust after the template again concreting, form removal covers wet curing after concrete strength reaches requirement.The Specific construction step is as follows: the Specific construction step is as follows: preparation of construction → measurement unwrapping wire → the entering of reinforcing steel bar check, processing and colligation → template processing, branching standing template, linear adjustment → concrete sample make, concreting → form removal → concrete curing → metope are modified.
Described self-propelled gun carriage, comprise handrail 13, girder 14, portal trestle 15 and wheel 16, it is characterized in that: described portal trestle 15 has wheel 16, the crossbeam of portal trestle 15 is provided with rod girder 14, one end of girder 14 is connected with handrail 13, the girder 14 of the both sides of portal trestle 15 has hanging nose 17, is connected with hawser 18 on the hanging nose 17.
Described self-traveling hanging basket car, comprise that quadra 1, movable pulley 2, rotating shaft 8, direction control rudder 10, operation hanging basket 7, concrete build arm 11, it is characterized in that: described quadra 1 has 4 movable pulleys 2, quadra 1 base plate one side is provided with extension plate 3, extension plate 3 is provided with mass 4, quadra 1 base plate opposite side top is provided with suspension rod 5, and suspension rod 5 has the diagonal brace 6 that connects quadra 1, is connected with operation hanging basket 7 under suspension rod 5 tops; Quadra 1 center of top is provided with rotating shaft 8, and rotating shaft 8 has the support 9 that connects four jiaos of quadra 1 base plates, is connected with direction control rudder 10 and concrete in the rotating shaft 8 and builds arm 11.
Key technology: job practices key of the present utility model will be carried out self-traveling hanging basket car stability and calculate, and utilizes a muscle 21 and flower basket bolt 20 to adjust the template straight cis degree.
The utility model is applied in the rapid improvement project B mark in outer shroud North Road, Nantong City and river road, Tongyang Canal center, Nantong City Bridge Project without support Urban Bridge anticollision barrier job practices, and wherein the rapid improvement project B mark in Nantong City's outer shroud North Road was won for 2011 years " Nantong City's urban construction Innovation Awards ".This engineering method has solved crash barrier steel form the reinforcing difficulty has been installed, easily run the mode ship slurry, the concreting leakiness, be prone to honeycomb, pitted skin, bubble and the linear mass defect such as not attractive in appearance, the anticollision barrier outward appearance that employing is finished without support Urban Bridge anticollision barrier construction is bright and clean, linear smoothness, smooth-going is without phenomenons such as honeycomb, pitted skin, bubbles.This design scheme, construction technology are reasonable, can reduce cost, reduction of erection time; Originality, novelty and applicability are arranged.This technique and other technique compare, and operating expenses is low and little on normal construction and the vehicle pass-through impact of ground level road, has good Social benefit and economic benefit.Without support Urban Bridge anticollision barrier job practices wide application space is arranged in Urban Bridge, promotional value is arranged.Job practices of the present utility model should be used in the Urban Bridge engineering, is particularly suitable for on-water bridge, higher Collison fence for bridge construction.
Specific construction step of the present utility model is as follows:
Preparation of construction:Processing screw rod (Ф 14 ㎜) is made self-traveling hanging basket car and gun carriage (seeing Fig. 1 and Fig. 2), makes concrete arc cushion block (or the plastic cushion of system is purchased in employing), and screwing steel bars is made template.
Measure unwrapping wire:The every 1.5m of curved section is put a control point, and the every 3m of straightway is put a control point; To put two control lines during unwrapping wire, template inner edge and apart from the inboard 30cm line of guardrail.
The entering of reinforcing steel bar check, processing and reinforcing bar binding:Reinforcement construction: carry out check, sampling, the various experiment work of the former material of marching into the arena; According to the accurate blanking of drawing, guarantee rebar sizes, model is correct.For guaranteeing protective layer thickness, should between reinforcing bar and template, cushion block be set, cushion block should be tightened with reinforcing bar, and staggers mutually, and the thickness of protection tier in anti-collision wall front is 50mm, and all the other thickness of protection tier are 30mm.The reinforcing bar length that is in anti-collision wall floor external wall is adjusted according to the punching block real size.Not only can not cause the very difficult installation of template straight if the skeleton colligation is straight, also can affect protective layer thickness, thereby cause revealing the problems such as muscle or concrete crack.Note the built-in fitting in the anti-collision wall, built-in fitting comprises that the pre-embedded steel slabs such as street lamp, means of transportation are installed can not be omitted, guarantee built-in fitting size, position, installation direction accurately.
Branching standing template, trial assembly, the linear adjustment:After steel form completes, will try assembly unit before formal the use, mainly be the whole structure of seeing after template is installed, and whether form joint place is smooth-going, and seamless and obvious mistake batch is arranged, and checks can normally use after errorless.
1) rust cleaning, brush oil: steel form should be removed the floating rust in surface clean before formally installing and using, and with machine oil template surface is smeared evenly, oiling is unsuitable, and too much (oiling is too much, template Zhi Haohou is toward dirty oil, pollute the concrete joint face), guarantee that with this concrete surface and concrete be not stained with template.
2) measure setting-out: at first use total powerstation accurate settingout on side plate of bridge, with the line of ink marker that anticollision barrier inward flange bullet is good.Every a determining deviation accurate measurement absolute altitude, control based on this position and the absolute altitude of crash barrier template.
3) installation form, the linear adjustment: template is installed and is adopted Hanging Basket car, gun carriage to install and have bad luck.Adopt split bolt 26 and a muscle 21 respectively the upper and lower of inner and outer template to be connected, outboard template 29 in the inner part on the template 28 gusseted 22 hanging reinforced, utilize the inboard 30cm line of anticollision barrier to adjust line style, adopt a muscle 21 control anticollision barrier gauges, spirit level carries out level control to every section template, adjusts mold plate verticality (seeing accompanying drawing 3) with spirit level and flower basket bolt 20.During reinforcing template, 10cm place, the two adjacent template perps left and right sides must establish relative support and backguy 19 to prevent when the pouring concrete two form joints place distortion and to cause the concrete faulting of slab ends to stay permanent defective.Installation principle is: the position is accurate, and line style is straight, solid and reliable after the assurance form removal, guarantees that spillage does not run mould.
4) check: after the template installation, construction teams and groups will carry out self check, after self check is qualified, can report site operation person and quality inspection personnel inspection, mainly be to check whether installation dimension is suitable, whether each fixed point (pull bar, pole etc.) is solid and reliable, and then submits a report asking for the site supervision personnel inspection and check and accept.
Annotate: form surfacing adopts the 4mm steel plate, and the rib band adopts the 5mm steel plate, and Form board frame adopts the 8mm steel plate.Gusseted 22 adopts the L75*75*8mm angle steel.The bolt hole spacing is decided on concrete guardrail appearance and size, and general two bolt hole spacings are no more than 20cm.
Concreting: because the anticollision guardrail structure features of shape determined that easily there is defective in the concrete guardrail outward appearance, wherein especially many with bubble, the not straight phenomenon of appearance lines is in the majority, for this reason, will carry out following work during concrete pouring construction:
1) fluid concrete: adopt the pouring procedure of dividing three layers during pouring concrete, first floor is poured under the internal mold base, and the second layer is poured into wall body 2/3 place, and the 3rd layer is poured into the top.Enter mould time and side amount by personnel control three layer concretes that vibrate.Concrete distributing is wanted evenly strictly to control vibrating time, and every layer concrete vibrating time is not less than 1min, is not more than 1.5min.Anticollision barrier must can be constructed after girder stretch-draw is finished, during construction about railing need symmetry to build.Anticollision barrier arranges together true seam whenever to stride as unit every 15m.
2) receive slurry: after the guardrail pouring concrete was finished, end face adopts received slurry three times.Floating with wood float for the first time, for the second time with the floating just press polish of plasterer's trowel, the press polish of exerting oneself when treating concrete initial set for the third time.
Form removal:
Intensity during the concrete form removal must not be lower than 75% of design strength.Should dry in the shade half a day after the form removal (mainly being to guarantee solid colour), then cover felt watering health.The anticollision barrier concrete is checked comprehensively, pinpoint the problems and in time analyze reason, in time correct.
Concrete curing:
Cover the watering maintenance with geotextiles.Do not cover with straw bag during maintenance, in order to avoid cause the mottled concrete apparent mass that affects of concrete surface, remain that concrete surface is moistening, the maintenance fate is no less than 7 days.
Metope is modified:
After the form removal, the effects on surface defective is modified immediately, for less bubble pit, can adopt the dry ash of lime and ordinary Portland cement allotment to modify, the ratio general control of lime and ordinary Portland cement (can be allocated test, so that the ashes color of allotment is with concrete face look consistent) in advance about 1:3, should not mix mortar brushing processed, do like this that concrete is lost is former glossy, modification should divide to be carried out for 2-3 time, is sure not to be eager once to hope for success.
The quality control standard of anticollision barrier:According to the requirement of relevant specification, the anticollision barrier quality specifications is as follows:
Straight cis degree deviation≤5 ㎜; Plane off normal≤4 ㎜; Built-in fitting position deviation≤5 ㎜; In cross dimensions deviation ± 5 ㎜; Adjacent height tolerance≤3 ㎜; In elevation of top surface deviation ± 10 ㎜; Muscle and cavitation must not appear leaking in the surface; Anticollision barrier reinforcing bar firm welding, weld seam should satisfy the requirement of design and relevant specification.
Claims (2)
1. one kind without used Hanging Basket car in the support Urban Bridge anticollision barrier construction, it is characterized in that: comprise quadra (1), movable pulley (2), rotating shaft (8), direction control rudder (10), operation hanging basket (7), concrete is built arm (11), it is characterized in that: described quadra (1) has 4 movable pulleys (2), quadra (1) base plate one side is provided with extension plate (3), extension plate (3) is provided with mass (4), quadra (1) base plate opposite side top is provided with suspension rod (5), suspension rod (5) has the diagonal brace (6) that connects quadra (1), is connected with operation hanging basket (7) under suspension rod (5) top; Quadra (1) center of top is provided with rotating shaft (8), and rotating shaft (8) has the support (9) that connects four jiaos of quadra (1) base plates, is connected with direction control rudder (10) and concrete in the rotating shaft (8) and builds arm (11).
2. one kind without used gun carriage in the support Urban Bridge anticollision barrier construction, comprise handrail (13), girder (14), portal trestle (15) and wheel (16), it is characterized in that: described portal trestle (15) has wheel (16), the crossbeam of portal trestle (15) is provided with rod girder (14), one end of girder (14) is connected with handrail (13), the girder (14) of the both sides of portal trestle (15) has hanging nose (17), is connected with hawser (18) on the hanging nose (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554801 CN202899036U (en) | 2012-10-26 | 2012-10-26 | Hanging basket machine and girder carrier under construction of crash barrier of non-bracket urban bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554801 CN202899036U (en) | 2012-10-26 | 2012-10-26 | Hanging basket machine and girder carrier under construction of crash barrier of non-bracket urban bridge |
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| Publication Number | Publication Date |
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| CN202899036U true CN202899036U (en) | 2013-04-24 |
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| CN 201220554801 Expired - Fee Related CN202899036U (en) | 2012-10-26 | 2012-10-26 | Hanging basket machine and girder carrier under construction of crash barrier of non-bracket urban bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628409A (en) * | 2013-11-08 | 2014-03-12 | 中天建设集团有限公司 | Construction device for anti-collision wall of viaduct |
| CN110761191A (en) * | 2019-10-23 | 2020-02-07 | 四川路桥建设集团交通工程有限公司 | Concrete guardrail construction device and method thereof |
-
2012
- 2012-10-26 CN CN 201220554801 patent/CN202899036U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628409A (en) * | 2013-11-08 | 2014-03-12 | 中天建设集团有限公司 | Construction device for anti-collision wall of viaduct |
| CN110761191A (en) * | 2019-10-23 | 2020-02-07 | 四川路桥建设集团交通工程有限公司 | Concrete guardrail construction device and method thereof |
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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: 20130424 Termination date: 20151026 |
|
| EXPY | Termination of patent right or utility model |