CN204371362U - A kind of tunnel ditch cable channel formwork chassis - Google Patents

A kind of tunnel ditch cable channel formwork chassis Download PDF

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Publication number
CN204371362U
CN204371362U CN201420790872.8U CN201420790872U CN204371362U CN 204371362 U CN204371362 U CN 204371362U CN 201420790872 U CN201420790872 U CN 201420790872U CN 204371362 U CN204371362 U CN 204371362U
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CN
China
Prior art keywords
template
column
crossbeam
arch truss
framework
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420790872.8U
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Chinese (zh)
Inventor
刘秀昌
杨玉章
姜长青
刘亚东
何旭
张玉洪
王胤
吕红军
孙玉玲
石冰
黄际政
王晓宇
王平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 19th Bureau Group Co Ltd
Seventh Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Original Assignee
China Railway 19th Bureau Group Co Ltd
Seventh Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway 19th Bureau Group Co Ltd, Seventh Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd filed Critical China Railway 19th Bureau Group Co Ltd
Priority to CN201420790872.8U priority Critical patent/CN204371362U/en
Application granted granted Critical
Publication of CN204371362U publication Critical patent/CN204371362U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of tunnel ditch cable channel formwork chassis, comprise framework and template, framework upper end connecting cross beam, crossbeam is connected to the first column and the second column, also comprise arch truss, arch truss bottom is provided with arch truss bottom girder, the two ends of arch truss bottom girder are individually fixed on crossbeam, the lower end of arch truss bottom girder evenly arranges at least one shoulder pole crossbeam, shoulder pole crossbeam and crossbeam distinguish mobilizable vertical connection ten suspension rods, suspension rod bottom connects template, template comprises power cable slot template, lateral sulcus template, communicaton and signal cable slot template and cheek board, power cable slot template, moveable concreting aggregate bin is provided with between lateral sulcus template and communicaton and signal cable slot template.The tunnel ditch cable channel formwork chassis that the utility model provides, solve owing to adopting inverted L shape steelframe to cause the section of building span little as support girder, mobile inconvenience, form removal difficulty, and integral mold plate locates inaccurate problem.

Description

A kind of tunnel ditch cable channel formwork chassis
Technical field
The utility model relates to technical field of tunnel construction, particularly relates to a kind of formwork jumbo, relates more specifically to a kind of integral mold plate chassis used when building Railway Tunnel ditch cable trench.
Background technology
At present, in the construction of Railway Tunnel ditch cable trench, need to control with each spot size of template to concrete work.Traditional concrete mould method of plate installation is: adopt fritter punching block to carry out assembled according to scantling, and use rod member to support, the locus of template is fixed.Although the method has the feature of the light and convenient transportation of modular shuttering element, lowly, construction cost is high, and appearance quality trait is difficult for work efficiency.
Disclose two kinds of integral mold plates used in the construction of Railway Tunnel ditch cable trench in prior art mobile trolley used, but also there is the defect of following four aspects in these two kinds of technical schemes:
The first, two kinds of technical schemes all have employed inverted L shape steelframe as support girder, and its shortcoming is: when one-off construction length is more than 8 meters, and the amount of deflection meeting gross distortion of support girder, can not meet design and code requirement; When length of once constructing is less than 8 meters, the amount of deflection of support girder can not gross distortion, but construction cycle-index increases, and causes the problem that construction effect reduces and construction cost increases.
The second, wherein technical scheme adds bayonet lock by angle to carry out a form removal, and because the lateral pressure after concreting makes frictional force strengthen, stripping is very difficult in this way; Another kind of technical scheme adopts to arrange demoulding shrinkage joint and demoulding fixture block to facilitate form removal, the concrete first clearing up demoulding shrinkage joint place is needed after concreting, carry out form removal again, due to lateral sulcus ditch depth and its cross section is narrow, concrete is removed very difficult, adopt often can only adopt in this way to strike and pound steel form or the method that promotes by force carrys out stripping, thus cause template deformation, repair template and will consume the plenty of time.
Three, two kinds of technical schemes are all adopt cross binding one end of integral mold plate to be fixed on the way completed on secondary lining concrete surface, solve Overall Steel Formwork location and fixing problem, but, the secondary lining face having completed construction is due to the reason such as reserved of constructing, possible line style is not on the same line, lateral deviation after causing ditch cable trench to construct, there will be the problem not meeting design and code requirement.
Running gear when four, moving about integral mold plate, two kinds of technical schemes adopt respectively: a single front-wheel and arrange the method for double movable pulley under the counterweight beam of side, these two kinds of methods are when mobile, heavy mechanical equipment is all needed to coordinate, mobile inconvenient, and completed concrete corner easily breaks by moving process.
Therefore, for above deficiency, need to provide a kind of moveable integral mold plate chassis used when building Railway Tunnel ditch cable trench.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of tunnel ditch cable channel formwork chassis, solve owing to adopting inverted L shape steelframe to cause as support girder that the section of building span is little, form removal is inconvenient, and locate inaccurate problem owing to adopting the secondary lining face having completed construction to position the integral mold plate caused.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of tunnel ditch cable channel formwork chassis, comprise framework and template, frame vertical straight is arranged, the both sides of framework upper end are all connected with the crossbeam stretched out to the same side, two crossbeams are connected to the first column and the second column, the first column, the second column are identical with the distance of framework;
Also comprise the arch truss be arranged at above the first column and the second column, arch truss bottom is provided with arch truss bottom girder, the two ends of arch truss bottom girder are individually fixed on crossbeam, and the lower end of arch truss bottom girder evenly arranges at least one shoulder pole crossbeam, and shoulder pole crossbeam all be arranged in parallel with crossbeam;
Shoulder pole crossbeam and crossbeam distinguish mobilizable vertical connection ten suspension rods, suspension rod bottom connects template, template comprises power cable slot template, lateral sulcus template, communicaton and signal cable slot template and cheek board, the cheek board with frame parallel is connected with in the bottom of a suspension rod near framework, in all the other nine suspension rods, every three is one group, and the bottom often organizing suspension rod connects power cable slot template, lateral sulcus template and communicaton and signal cable slot template respectively;
Power cable slot template, between lateral sulcus template and communicaton and signal cable slot template, be provided with moveable concreting aggregate bin.
Preferably, aforementioned power cable slot template, lateral sulcus template and communicaton and signal cable slot template are respectively by base plate with two side plates are dismountable forms, and three suspension rods often in group connect base plate and two side plates of power cable slot template, lateral sulcus template and communicaton and signal cable slot template respectively.
Preferably, aforesaid frame is also provided with the first diagonal brace for supporting and the second diagonal brace, the length of the first diagonal brace and the second diagonal brace is all adjustable.
Preferably, the height of aforementioned first column is less than the height of the second column, and the bottom of the first column and the second column is equipped with road wheel.
Preferably, multiple reinforcing shaped steel is vertically provided with uniformly between aforementioned arch truss and arch truss bottom girder.
Preferably, between aforementioned cheek board and framework level be provided with spiral support bar.
Preferably, aforementioned shoulder pole crossbeam lower end is provided with spacing angle steel.
Preferably, liftable wheel hub is provided with bottom aforesaid frame.
Preferably, all connected by bolt between each parts of aforementioned tunnel ditch cable channel formwork chassis.
Preferably, aforementioned suspension rod is made up of screw-thread steel.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages:
The tunnel ditch cable channel formwork chassis that the utility model provides, comprise framework and template, framework upper end connecting cross beam, crossbeam is connected to the first column and the second column, also comprise arch truss and arch truss bottom girder, the two ends of arch truss bottom girder are individually fixed on crossbeam, the lower end of arch truss bottom girder evenly arranges three shoulder pole crossbeams, shoulder pole crossbeam and crossbeam distinguish mobilizable vertical connection ten suspension rods, suspension rod bottom connects template, template comprises power cable slot template, lateral sulcus template, communicaton and signal cable slot template and cheek board, power cable slot template, moveable concreting aggregate bin is provided with between lateral sulcus template and communicaton and signal cable slot template.
The tunnel ditch cable channel formwork chassis that the utility model provides, with bolts, and apply arch truss, considerably increase the rigidity of chassis, make chassis have Integratively template and build the large advantage of length, apply arch truss, screw-thread steel suspension rod, make the Template Location degree of accuracy high, and its form removable is convenient and simple, formwork integral moving is easy, therefore improve construction efficiency, reduce construction cost, Surface Quality of Concrete is easily controlled, and ensure that built groove structure size is accurate.
In the utility model, the first column and framework, wheeled second column, the first diagonal brace and the second diagonal brace together form stable firmly stress system, the arc secondary lining face that chassis stress frame has not been constructed with tunnel contacts, ensure that ditch cable trench line style is straight, also ensure that the convenience of formwork jumbo movement simultaneously.
In the utility model, power cable slot template, lateral sulcus template and communicaton and signal cable slot template arrange two side plates and base plate respectively, two side plates and base plate are separable connection, two side plates and base plate are located respectively by suspension rod, crossbeam, shoulder pole crossbeam and spacing angle steel, when form removal, as long as the bolt come loose on suspension rod, and remove spacing angle steel, two side plates and base plate can be removed, the frictional force of bearing during form removable is reduced, do not need to carry out concrete removing at narrow space, stripping is become easily simple.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model tunnel ditch cable channel formwork chassis;
Fig. 2 is the lateral view of the utility model tunnel ditch cable channel formwork chassis;
Fig. 3 is the structural representation of the utility model middle frame;
Fig. 4 is the structural representation of arch truss in the utility model;
Fig. 5 is the structural representation of power cable slot template in the utility model;
Fig. 6 is the structural representation of lateral sulcus template in the utility model;
Fig. 7 is the structural representation of communicaton and signal cable slot template in the utility model;
Fig. 8 is the structural representation of cheek board in the utility model.
In figure: 1: framework; 2: the second columns; 3: the first columns; 4: crossbeam; 5: arch truss; 6: arch truss bottom girder; 7: shoulder pole crossbeam; 8: suspension rod; 9: power cable slot template; 10: lateral sulcus template; 11: communicaton and signal cable slot template; 12: the first diagonal braces; 13: the second diagonal braces; 14: road wheel; 15: reinforce shaped steel; 16: spiral support bar; 17: spacing angle steel; 18: wheel hub; 19: end face filled by inverted arch; 20: cheek board.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Embodiment one
As shown in Figure 1, 2, a kind of tunnel ditch cable channel formwork chassis that the utility model embodiment provides, whole chassis is arranged at tunnel invert and fills on end face 19, and the inverted arch filling end face 19 in tunnel comprises the ditch cable trench and ditch cable trench inverted arch concrete segment to be built that complete and build.
The present embodiment comprises framework 1 and template, and as shown in Figure 3, framework 1 is vertically arranged the structure of framework 1, is provided with liftable wheel hub 18 bottom framework 1.Framework 1 is placed on the position near tunnel central axis along direction, tunnel, the both sides of framework 1 upper end are all connected with the crossbeam 4 stretched out to the same side, two crossbeams 4 are connected to the first column 3 identical with the distance of framework 1 with the second column 2, first column 3, second column 2; The height of the first column 3 is less than the height of the second column 2, and the bottom of the first column 3 and the second column 2 is equipped with road wheel 14.First column 3 is positioned in the ditch cable trench completing and build, and the second column 2 is positioned in ditch cable trench inverted arch concrete segment to be built.Length framework 1 being also provided with the first diagonal brace 12 for supporting and the second diagonal brace 13, first diagonal brace 12 and the second diagonal brace 13 is all adjustable, and the minimum and maximum length of the first diagonal brace 12 is all greater than the second diagonal brace 13.
The first column 3 with road wheel 14 and framework 1, be with the second column 2, first diagonal brace 12 of road wheel 14 and the second diagonal brace 13 together form to stablize firmly stress system, the arc secondary lining face that the framework 1 of chassis has not been constructed with tunnel contacts, ensure that the ditch cable trench line style after building is straight, also ensure that the convenience of chassis movement simultaneously.
Also comprise the arch truss 5 be arranged at above the first column 3 and the second column 2, the structure of arch truss 5 as shown in Figure 4, arch truss 5 bottom is provided with arch truss bottom girder 6, vertically be provided with multiple reinforcing shaped steel 15 uniformly between arch truss 5 and arch truss bottom girder 6, be out of shape to prevent arch truss 5 and arch truss bottom girder 6.The two ends of arch truss bottom girder 6 are individually fixed on crossbeam 4, and the lower end of arch truss bottom girder 6 evenly arranges three shoulder pole crossbeams 7, and shoulder pole crossbeam 7 all be arranged in parallel with crossbeam 4.
Shoulder pole crossbeam 7 and crossbeam 4 distinguish mobilizable vertical connection ten suspension rods 8, and suspension rod 8 is made up of screw-thread steel.Suspension rod 8 bottom connects template.Arch truss 5 makes support system be separated with template system, when end face 19 out-of-flatness filled by the inverted arch of tunnel, because shoulder pole crossbeam 7 is connected each template with crossbeam 4 by mobilizable suspension rod 8, ensure that each template vertical direction is arranged, thus ensure that the ditch cable trench top after building is straight, and do not fill the impact of end face 19 out-of-flatness factor by tunnel invert.
The present embodiment, also by the suspension rod 8 that fining twisted steel is made, accurately can be located needing the end face absolute altitude of concreting, and the overall vertical-lift of template system, can not produce finished product concrete water caltrop and destroy, ensure that concrete good looking appearance.
Shoulder pole crossbeam 7 lower end is provided with spacing angle steel 17, limits the position of each template, to locate the lateral separation between each template exactly.
Template comprises power cable slot template 9, lateral sulcus template 10, communicaton and signal cable slot template 11 and cheek board 20, and the structure of each template as viewed in figures 5-8.Be connected with the cheek board 20 parallel with framework 1 in the bottom of a suspension rod 8 near framework 1, between cheek board 20 and framework 1, level is provided with spiral support bar 16.In all the other nine suspension rods 8, every three is one group, and the bottom often organizing suspension rod 8 connects power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 respectively.
Power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 are respectively by base plate with two side plates are dismountable forms, and three suspension rods 8 often in group connect base plate and two side plates of power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 respectively.Power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 arrange two side plates and base plate respectively, two side plates and base plate are separable connection, two side plates and base plate are located respectively by suspension rod, crossbeam, shoulder pole crossbeam and spacing angle steel, when form removal, as long as the bolt come loose on suspension rod, and remove spacing angle steel, two side plates and base plate can be removed, the frictional force of bearing during form removable is reduced, do not need to carry out concrete removing at narrow space, stripping is become easily simple.
Power cable slot template 9, between lateral sulcus template 10 and communicaton and signal cable slot template 11, be provided with moveable concreting aggregate bin, after concreting, Cable Groove, lateral sulcus and communicaton and signal cable groove can be formed.
All connected by bolt between each parts of the present embodiment chassis, and the shaped steel steel that all parts all adopts rigidity large, and apply arch truss 6, considerably increase the rigidity of whole chassis, single construction length is increased greatly, decreases construction cycle-index.
The present embodiment is when constructing, and band the first column 3 of road wheel 14 and a part for each template are fixed in the ditch cable trench of having constructed; After one section of ditch cable trench has been constructed, do not need overall pulling down template.When hypomere is constructed, only the first diagonal brace 12 and the second diagonal brace 13 need be packed up, the liftable wheel hub 18 of the lower end at framework 1 is put down, carry out accurately location and reliable construction with regard to next section section to be built that moved to by chassis that can be parallel.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (10)

1. a tunnel ditch cable channel formwork chassis, comprise framework (1) and template, described framework (1) is vertically arranged, it is characterized in that: the both sides of described framework (1) upper end are all connected with the crossbeam (4) stretched out to the same side, described two crossbeams (4) are connected to the first column (3) and the second column (2), and the first column (3), the second column (2) are identical with the distance of framework (1);
Also comprise the arch truss (5) being arranged at the first column (3) and the second column (2) top, described arch truss (5) bottom is provided with arch truss bottom girder (6), the two ends of described arch truss bottom girder (6) are individually fixed on described crossbeam (4), the lower end of described arch truss bottom girder (6) evenly arranges at least one shoulder pole crossbeam (7), and described shoulder pole crossbeam (7) all be arranged in parallel with described crossbeam (4);
Described shoulder pole crossbeam (7) and upper mobilizable vertical connection ten suspension rods (8) respectively of crossbeam (4), described suspension rod (8) bottom connects described template, described template comprises power cable slot template (9), lateral sulcus template (10), communicaton and signal cable slot template (11) and cheek board (20), the cheek board (20) parallel with described framework (1) is connected with in the bottom of a suspension rod (8) near framework (1), in all the other nine suspension rods (8), every three is one group, the described bottom often organizing suspension rod (8) connects described power cable slot template (9) respectively, lateral sulcus template (10) and communicaton and signal cable slot template (11),
Described power cable slot template (9), between lateral sulcus template (10) and communicaton and signal cable slot template (11), be provided with moveable concreting aggregate bin.
2. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: described power cable slot template (9), lateral sulcus template (10) and communicaton and signal cable slot template (11) are respectively by base plate with two side plates are dismountable forms, and three suspension rods (8) in described often group connect base plate and two side plates of power cable slot template (9), lateral sulcus template (10) and communicaton and signal cable slot template (11) respectively.
3. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: described framework (1) is also provided with the first diagonal brace (12) for supporting and the second diagonal brace (13), the length of described first diagonal brace (12) and the second diagonal brace (13) is all adjustable.
4. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: the height of described first column (3) is less than the height of the second column (2), and the bottom of described first column (3) and described second column (2) is equipped with road wheel (14).
5. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: be vertically provided with multiple reinforcing shaped steel (15) uniformly between described arch truss (5) and arch truss bottom girder (6).
6. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: between described cheek board (20) and described framework (1), level is provided with spiral support bar (16).
7. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described shoulder pole crossbeam (7) lower end is provided with spacing angle steel (17).
8. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described framework (1) bottom is provided with liftable wheel hub (18).
9. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: all connected by bolt between each parts of described tunnel ditch cable channel formwork chassis.
10. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described suspension rod (8) is made up of screw-thread steel.
CN201420790872.8U 2014-12-12 2014-12-12 A kind of tunnel ditch cable channel formwork chassis Expired - Fee Related CN204371362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420790872.8U CN204371362U (en) 2014-12-12 2014-12-12 A kind of tunnel ditch cable channel formwork chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420790872.8U CN204371362U (en) 2014-12-12 2014-12-12 A kind of tunnel ditch cable channel formwork chassis

Publications (1)

Publication Number Publication Date
CN204371362U true CN204371362U (en) 2015-06-03

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514570A (en) * 2014-12-12 2015-04-15 中铁十九局集团有限公司 Model board trolley of cable trough in tunnel channel
CN105626099A (en) * 2015-12-14 2016-06-01 黄高飞 Tunnel ditch cable trough maintenance trolley
CN113047874A (en) * 2021-04-25 2021-06-29 湖南华鑫美好公路环境建设有限公司 Integrated tunnel ditch cable trough moving sliding form system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514570A (en) * 2014-12-12 2015-04-15 中铁十九局集团有限公司 Model board trolley of cable trough in tunnel channel
CN105626099A (en) * 2015-12-14 2016-06-01 黄高飞 Tunnel ditch cable trough maintenance trolley
CN113047874A (en) * 2021-04-25 2021-06-29 湖南华鑫美好公路环境建设有限公司 Integrated tunnel ditch cable trough moving sliding form system

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20161212