CN204899948U - Cable groove formworking jumbo - Google Patents
Cable groove formworking jumbo Download PDFInfo
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- CN204899948U CN204899948U CN201520684511.XU CN201520684511U CN204899948U CN 204899948 U CN204899948 U CN 204899948U CN 201520684511 U CN201520684511 U CN 201520684511U CN 204899948 U CN204899948 U CN 204899948U
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Abstract
The utility model relates to a tunnel construction equipment field provides a cable groove formworking jumbo, including platform truck, template and form setting positioning mechanism, the platform truck includes truss structure, walking beam -and -rail and truss location structure, and the truss structure includes horizontal truss and vertical truss, and the walking beam -and -rail is installed in the below of vertical truss and is coordinated with the gyro wheel, the template is including lieing in the inner formword of the below of horizontal truss, outer inner formword and outer exterior sheathing, form setting positioning mechanism is including hanging location pull rod, horizontal location ejector pin and horizontal location pull rod, it has three groups to hang the location pull rod, all installs in horizontal truss, the horizontal location ejector pin includes a set ofly, its both ends respectively with inner formword and outer inner formword fixed connection, the horizontal location pull rod includes a set ofly, all installs in vertical truss. Utilize each locating lever to fix a position the template, substitute manual fixing, make the template stable firm when the pouring, the circumstances of mould or deformation can not appear running, the improvement efficiency of construction. Be applicable to tunnel cable groove's construction.
Description
Technical field
The utility model relates to constructing tunnel apparatus field, especially a kind of cable trench formwork jumbo.
Background technology
Along with the construction energetically of speedway in recent years, the raising of construction standard, construction of tunnel, to the more complicated structural shape development such as overlength, great burying, is had higher requirement to the construction quality of construction of tunnel, safety, progress and environmental protection.
Existing cable trench construction, all adopt piecemeal section small-sized sizing steel Combined formwork, as shown in Figure 1, template comprises inner formword 31, inner and outer template 32 and outer exterior sheathing 33, carry out top admittedly by push rod between inner formword 31 and inner and outer template 32, outer exterior sheathing 33 is fixed by bearing diagonal.But this form of construction work, by people's movements and postures of actors shuttering, easily occurs running the problem such as mould or distortion; And disposal pouring distance is shorter, the block section that cable trench is divided into is more, and seam is many, and very large to appearance effects, efficiency of construction is low.
Utility model content
It is high that technical problem to be solved in the utility model is to provide a kind of efficiency of construction, and avoid the cable trench formwork jumbo running mould or distortion.
The utility model solves the technical scheme that its technical problem adopts: cable trench formwork jumbo, comprises chassis, template and model sheetinstallat detent mechanism;
Described chassis comprises trussed construction, walking beam-and-rail and truss location structure, described trussed construction is that inverted L-shaped comprises horizontal truss and vertical truss, described walking beam-and-rail is installed on the below of vertical truss and matches with the roller be installed on bottom trussed construction, and described horizontal truss is fixedly connected with along the side of its width with vertical truss, opposite side matches with truss location structure;
Described template is positioned at the below of horizontal truss, comprises inner formword, outer inner formword and outer exterior sheathing;
Described model sheetinstallat detent mechanism comprises suspension positioning tie bar, horizontal location push rod and horizontal location pull bar; Described suspension positioning tie bar comprises three groups and is respectively used to the suspension installation of inner formword, outer inner formword and outer exterior sheathing, and each positioning tie bar that hangs all is installed on horizontal truss; Described horizontal location push rod comprises one group and between inner formword and outer inner formword, the two ends of each horizontal location push rod are fixedly connected with outer inner formword with inner formword respectively; Described horizontal location pull bar comprises one group and for the horizontal location of outer exterior sheathing, each horizontal location pull bar is all installed on vertical truss.
Further, the partial-length of described each suspension positioning tie bar between horizontal truss and corresponding templates is adjustable and each to hang positioning tie bar adjustable along the width installation site of horizontal truss; Described horizontal location push rod is adjustable length structure; The partial-length of described horizontal location pull bar between vertical truss and outer exterior sheathing is adjustable and each horizontal location pull bar is adjustable along the short transverse installation site of vertical truss.
Further, described horizontal truss comprises one group of crossbeam, described crossbeam is provided with the mounting groove extended along horizontal truss width; Described suspension positioning tie bar is threaded rod, and each suspension positioning tie bar is each passed through corresponding mounting groove and fastens through two nut clip and is installed on crossbeam;
Described vertical truss comprises one group of longeron, described longeron is provided with the mounting groove extended along vertical depth of truss direction; Described horizontal location pull bar is threaded rod, and each horizontal location pull bar is each passed through corresponding mounting groove and fastens through two nut clip and is installed on longeron;
Described horizontal location push rod comprises the push rod at two ends and the sleeve at middle part, and described two ends push rod is installed on sleeve two ends through threaded engagement respectively, and the screw thread of described two ends push rod and sleeve is reverse thread.
Further, described inner formword, outer inner formword and outer exterior sheathing are connected with each suspension positioning tie bar through articulated structure respectively, and described outer exterior sheathing is connected with horizontal location pull bar through articulated structure.
Further, the two ends of described horizontal location push rod are respectively arranged with positioning beam, and the two ends of each horizontal location push rod to be connected with corresponding positioning beam through ball pivot respectively and to act on corresponding templates through positioning beam.
Further, described trussed construction two ends are along its length respectively arranged with truss hoisting mechanism, and described roller is installed on trussed construction through truss hoisting mechanism; The engagement height of described truss location structure and horizontal truss adapts with the hoisting depth of truss hoisting mechanism.
Further, described trussed construction comprises girder, described horizontal truss through erection of main beam in vertical truss, described truss hoisting mechanism comprises base, guide pillar, guide and hydraulic jack, described guide pillar bottom is fixedly installed in base, described hydraulic jack is fixedly installed between girder termination and guide pillar top, and described guide is fixedly installed in vertical truss and coordinates with guide pillar slide-and-guide; Described roller to be positioned at below base and to be installed on base.
Further, the clamped support in the adjustable for height end and support roller is provided with between two ends along its length bottom described vertical truss.
Further, described truss location structure is location-plate, and described horizontal truss comprises the slide plate be slidably matched with location-plate.
Further, the locating surface of described location-plate is fore-and-aft plane, is provided with detachable fixed structure between described location-plate and slide plate.
The beneficial effects of the utility model are: inner formword, inner and outer template and outer exterior sheathing hang positioning tie bar longitudinal register by three groups; by horizontal location push rod and horizontal location pull bar horizontal location; substitute manually fixing; make template firmly stable when pouring into a mould; there will not be the situation of running mould or distortion, ensure the construction quality of cable trench.Meanwhile, trussed construction can ensure overall rigidity and the support requirement to template, therefore, it is possible to the cable trench that once-cast distance is longer, improves efficiency of construction.Chassis plays a part to support and drives formwork integral moving, after once having constructed, cable trench formwork jumbo entirety is reached another construction location, carries out construction circulation, does not need repeated disassembled and assembled template, improve efficiency of construction further.
Accompanying drawing explanation
Fig. 1 be the utility model cable trench template analyse and observe scheme of installation;
Fig. 2 is the schematic cross-sectional view after the utility model cable trench formwork jumbo installation form;
Fig. 3 is the schematic front view before the utility model cable trench formwork jumbo installation form;
Fig. 4 is the partial enlarged drawing of part A in Fig. 2;
Fig. 5 is the partial enlarged drawing of part B in Fig. 2;
Fig. 6 is the structural representation of the utility model truss hoisting mechanism.
Reference numeral: 1-horizontal truss; 2-vertically truss; 4-girder; 8-truss location structure; 9-slide plate; 11-hang positioning tie bar; 12-crossbeam; 13-mounting groove; 14-nut; 21-horizontal location pull bar; The clamped support in 22-end; 23-longeron; 24-mounting groove; 25-nut; 26-support roller; 31-inner formword; 32-inner and outer template; 33-outer exterior sheathing; 34-horizontal location push rod; 52-roller; 61-base; 62-guide pillar; 63-guide; 64-hydraulic jack; 341-positioning beam.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2 and Figure 3, cable trench formwork jumbo of the present utility model, comprises chassis, template and model sheetinstallat detent mechanism; Described chassis comprises trussed construction, walking beam-and-rail and truss location structure 8, described trussed construction is that inverted L-shaped comprises horizontal truss 1 and vertical truss 2, described walking beam-and-rail is installed on the below of vertical truss 2 and matches with the roller 52 be installed on bottom trussed construction, and described horizontal truss 1 is fixedly connected with along the side of its width with vertical truss 2, opposite side matches with truss location structure 8; Described template is positioned at the below of horizontal truss 1, comprises inner formword 31, inner and outer template 32 and outer exterior sheathing 33; Described model sheetinstallat detent mechanism comprises suspension positioning tie bar 11, horizontal location push rod 34 and horizontal location pull bar 21; Described suspension positioning tie bar 11 comprises three groups and is respectively used to the suspension installation of inner formword 31, inner and outer template 32 and outer exterior sheathing 33, and each positioning tie bar 11 that hangs all is installed on horizontal truss 1; Described horizontal location push rod 34 comprises one group and between inner formword 31 and inner and outer template 32, the two ends of each horizontal location push rod 34 are fixedly connected with inner and outer template 32 with inner formword 31 respectively; Described horizontal location pull bar 21 comprises one group and for the horizontal location of outer exterior sheathing 33, each horizontal location pull bar 21 is all installed on vertical truss 2.
Chassis plays a part to support and drives formwork integral moving.Inner formword 31, inner and outer template 32 and outer exterior sheathing 33 hangs positioning tie bar 11 longitudinal register, by horizontal location push rod 34 and horizontal location pull bar 21 horizontal location by three groups.During construction, template moves integrally with chassis, completes the construction of cable trench piecemeal.
Time mobile, walking beam-and-rail is installed on tunnel bottom and matches with roller 52, to facilitate moving integrally of template, after one section of cable trench has been constructed, chassis has been moved along the orientation of setting, template is accurately moved to the construction station of next section of cable trench.Simultaneously, arrange the truss location structure 8 that matches with horizontal truss 1, during construction, truss location structure 8 is installed on tunnel side wall, by coordinating of horizontal truss 1 and truss location structure 8, ensure the uniformity of chassis moving direction and tunnel side wall, and ensure overall stability in moving process.During cast, utilize truss location structure 8 to fix trussed construction, thus make chassis entirety keep fixing, guarantee that template can keep stable; Meanwhile, trussed construction can ensure overall rigidity and the support requirement to template, therefore, it is possible to the cable trench that once-cast distance is longer, improves efficiency of construction.
In order to further facilitate the adjustment of template position, improve overall applicability, make cable trench formwork jumbo can be re-used in each tunnel, avoid one-time investment, the partial-length of described each suspension positioning tie bar 11 between horizontal truss 1 and corresponding templates is adjustable and each suspension positioning tie bar 11 is adjustable along the width installation site of horizontal truss 1; Described horizontal location push rod 34 is adjustable length structure; The partial-length of described horizontal location pull bar 21 between vertical truss 2 and outer exterior sheathing 33 is adjustable and each horizontal location pull bar 21 is adjustable along the short transverse installation site of vertical truss 2.
In example as shown in Figure 4, Figure 5, concrete, described horizontal truss 1 comprises one group of crossbeam 12, described crossbeam 12 is provided with the mounting groove 13 extended along horizontal truss 1 width; Described suspension positioning tie bar 11 is threaded rod, and each suspension positioning tie bar 11 is each passed through corresponding mounting groove 13 and is fixedly clamped through two nuts 14 and is installed on crossbeam 12; Described vertical truss 2 comprises one group of longeron 23, described longeron 23 is provided with the mounting groove 24 extended along vertical truss 2 short transverse; Described horizontal location pull bar 21 is threaded rod, and each horizontal location pull bar 21 is each passed through corresponding mounting groove 24 and is fixedly clamped through two nuts 25 and is installed on longeron 23; Described horizontal location push rod 34 comprises the push rod at two ends and the sleeve at middle part, and described two ends push rod is installed on sleeve two ends through threaded engagement respectively, and the screw thread of described two ends push rod and sleeve is reverse thread.Each suspension positioning tie bar 11, horizontal location push rod 34 adopt threaded adjusting with the position location of horizontal location pull bar 21, and easy to operate, implementation cost is low; And installed by crossbeam 12, longeron 23, effectively can improve the enabling capabilities of trussed construction to template.Except above-mentioned form, also can adopt the form such as oil cylinder, expansion link.
Further, described inner formword 31, inner and outer template 32 are connected with each suspension positioning tie bar 11 through articulated structure respectively with outer exterior sheathing 33, and described outer exterior sheathing 33 is connected with horizontal location pull bar 21 through articulated structure.When the vertical position of each suspension positioning tie bar 11 or the horizontal level of horizontal location pull bar 21, during owing to making precision and the equality reason appearance inclination of ground, tunnel, each template can keep perpendicular to the ground under the effect of deadweight, can not tilt together along with backstay, guarantee the construction precision of cable trench.
For convenience of the installation of horizontal location push rod 34, reduce the quantity of horizontal location push rod 34, further, the two ends of described horizontal location push rod 34 are respectively arranged with positioning beam 341, and the two ends of each horizontal location push rod 34 are connected through ball pivot with corresponding positioning beam 341 and act on corresponding templates through positioning beam 341 respectively.
In order to further facilitate construction, described trussed construction two ends are along its length respectively arranged with truss hoisting mechanism, and described roller 52 is installed on trussed construction through truss hoisting mechanism; The engagement height of described truss location structure 8 and horizontal truss 1 adapts with the hoisting depth of truss hoisting mechanism.Utilize truss hoisting mechanism that chassis, template and model sheetinstallat detent mechanism etc. are implemented Integral lifting.
In example as shown in Figure 6, concrete, described trussed construction comprises girder 4, described horizontal truss 1 is installed on vertical truss 2 through girder 4, described truss hoisting mechanism comprises base 61, guide pillar 62, guide 63 and hydraulic jack 64, described guide pillar 62 bottom is fixedly installed in base 61, and described hydraulic jack 64 is fixedly installed between girder 4 termination and guide pillar 62 top, and described guide 63 is fixedly installed in vertical truss 2 and coordinates with guide pillar 62 slide-and-guide; Described roller 52 to be positioned at below base 61 and to be installed on base 61.Horizontal truss 1 and vertical truss 2 are connected into an entirety by girder 4, have higher intensity, can bear larger load.When truss promotes, only need the active force applying upwards to girder 4, truss gets final product Integral lifting.Adopt jack 64 as lifting power, have top lift large, compact, cost is low, and is convenient to the advantage of installation.In addition, hoisting mechanism also can be arranged at the hydraulic jack between base 61 and girder 4.
Because chassis entirety is longer, and due to the setting of truss hoisting mechanism, only two ends are provided with roller 52 and support, therefore in order to ensure the support to chassis, further, the clamped support 22 in the adjustable for height end and support roller 26 is provided with between two ends along its length bottom described vertical truss 2.During cast, regulate the height of the clamped support 22 in the end, realized the object supported and position is fixing by the clamped support 22 in the end.Time mobile, realize supporting by support roller 26 and roller 52 pairs of chassis.
Truss location structure 8 can be arbitrary structure, as roller and rolling groove.In example as shown in the figure, described truss location structure 8 is location-plate, and described horizontal truss 1 comprises the slide plate 9 be slidably matched with location-plate.Location-plate is arranged at the abutment wall in tunnel, and the section bars such as channel-section steel can be adopted to form, and cost is low, and manufacture difficulty is low.
The locating surface of location-plate can be inclined-plane or horizontal plane, and forms to adapt to promote needs by upper and lower two groups.In example as shown in the figure, in order to further facilitate realization, the locating surface of described location-plate is fore-and-aft plane, is provided with detachable fixed structure between described location-plate and slide plate 9.Concrete, with bolts of detachable fixed structure, when building, utilizes detachable fixed structure to be fixed on location-plate by slide plate 9, improves the stability of Template Location further.
Adopt the Specific construction step of above-mentioned cable trench formwork jumbo as follows:
1, surveying setting-out;
2, cable channel substrate is cleared up;
3, in-site installation, pre-buried cable trench reinforcing bar;
4, making shop fixtures concrete;
5, chassis is advanced to put in place;
6, utilize suspension positioning tie bar 11 adjusting template to design attitude, horizontal location push rod 34 is installed;
7, fixing chassis;
8, concreting;
9, after maintenance completes, dismantle horizontal location push rod 34, unclamp and hang positioning tie bar 11, template automatic demoulding;
10, next station is advanced into after utilizing truss lift mechanism lifts.
Be that the construction of certain left and right, tunnel line left and right sides cable trench of 6650m is adjusted for example with overall length, preparation four cover cable trench formwork jumbo, single cover cost is about 120,000 yuan, list hole, tunnel left and right sides advances simultaneously, average daily cable trench construction volume is 11.9m, the moon completes 357m, only needs can complete construction task in 19 months; And according to the mode of existing artificial locating template, the engineering time of needs is 65.6 months.Meanwhile, estimate that template is overlapped in saving 5, and seam is tight, saves concrete loss, cost of materials estimates saving 2,570,000 yuan.
Claims (10)
1. cable trench formwork jumbo, is characterized in that: comprise chassis, template and model sheetinstallat detent mechanism;
Described chassis comprises trussed construction, walking beam-and-rail and truss location structure (8), described trussed construction is that inverted L-shaped comprises horizontal truss (1) and vertical truss (2), described walking beam-and-rail is installed on the below of vertical truss (2) and matches with the roller be installed on bottom trussed construction (52), and described horizontal truss (1) is fixedly connected with along the side of its width with vertical truss (2), opposite side matches with truss location structure (8);
Described template is positioned at the below of horizontal truss (1), comprises inner formword (31), inner and outer template (32) and outer exterior sheathing (33);
Described model sheetinstallat detent mechanism comprises suspension positioning tie bar (11), horizontal location push rod (34) and horizontal location pull bar (21); Described suspension positioning tie bar (11) comprises three groups and is respectively used to the suspension installation of inner formword (31), inner and outer template (32) and outer exterior sheathing (33), respectively hangs positioning tie bar (11) and is all installed on horizontal truss (1); Described horizontal location push rod (34) comprises one group and is positioned between inner formword (31) and inner and outer template (32), and the two ends of each horizontal location push rod (34) are fixedly connected with inner and outer template (32) with inner formword (31) respectively; Described horizontal location pull bar (21) comprises one group and for the horizontal location of outer exterior sheathing (33), each horizontal location pull bar (21) is all installed on vertical truss (2).
2. cable trench formwork jumbo as claimed in claim 1, is characterized in that: described each suspension positioning tie bar (11) is positioned at that partial-length between horizontal truss (1) and corresponding templates is adjustable and respectively to hang positioning tie bar (11) adjustable along the width installation site of horizontal truss (1); Described horizontal location push rod (34) is adjustable length structure; Described horizontal location pull bar (21) is positioned at that partial-length between vertical truss (2) and outer exterior sheathing (33) is adjustable and each horizontal location pull bar (21) is adjustable along the short transverse installation site of vertical truss (2).
3. cable trench formwork jumbo as claimed in claim 2, is characterized in that:
Described horizontal truss (1) comprises one group of crossbeam (12), described crossbeam (12) is provided with the mounting groove (13) extended along horizontal truss (1) width; Described suspension positioning tie bar (11) is threaded rod, respectively hangs positioning tie bar (11) and is each passed through corresponding mounting groove (13) and is fixedly clamped through two nuts (14) and be installed on crossbeam (12);
Described vertical truss (2) comprises one group of longeron (23), described longeron (23) is provided with the mounting groove (24) extended along vertical truss (2) short transverse; Described horizontal location pull bar (21) is threaded rod, and each horizontal location pull bar (21) is each passed through corresponding mounting groove (24) and is fixedly clamped through two nuts (25) and is installed on longeron (23);
Described horizontal location push rod (34) comprises the push rod at two ends and the sleeve at middle part, and described two ends push rod is installed on sleeve two ends through threaded engagement respectively, and the screw thread of described two ends push rod and sleeve is reverse thread.
4. cable trench formwork jumbo as claimed in claim 2, it is characterized in that: described inner formword (31), inner and outer template (32) and outer exterior sheathing (33) are connected with each suspension positioning tie bar (11) through articulated structure respectively, described outer exterior sheathing (33) is connected with horizontal location pull bar (21) through articulated structure.
5. cable trench formwork jumbo as claimed in claim 2, it is characterized in that: the two ends of described horizontal location push rod (34) are respectively arranged with positioning beam (341), the two ends of each horizontal location push rod (34) to be connected with corresponding positioning beam (341) through ball pivot respectively and to act on corresponding templates through positioning beam (341).
6. cable trench formwork jumbo as claimed in claim 1, it is characterized in that: described trussed construction two ends are along its length respectively arranged with truss hoisting mechanism, described roller (52) is installed on trussed construction through truss hoisting mechanism; The engagement height of described truss location structure (8) and horizontal truss (1) adapts with the hoisting depth of truss hoisting mechanism.
7. cable trench formwork jumbo as claimed in claim 6, it is characterized in that: described trussed construction comprises girder (4), described horizontal truss (1) is installed on vertical truss (2) through girder (4), described truss hoisting mechanism comprises base (61), guide pillar (62), guide (63) and hydraulic jack (64), described guide pillar (62) bottom is fixedly installed in base (61), described hydraulic jack (64) is fixedly installed between girder (4) termination and guide pillar (62) top, described guide (63) is fixedly installed in vertical truss (2) and coordinates with guide pillar (62) slide-and-guide, described roller (52) is positioned at base (61) below and is installed on base (61).
8. cable trench formwork jumbo as claimed in claim 6, is characterized in that: described vertical truss (2) bottom is provided with the clamped support in the adjustable for height end (22) and support roller (26) between two ends along its length.
9. the cable trench formwork jumbo as described in claim 1,2 or 6, is characterized in that: described truss location structure (8) is location-plate, and described horizontal truss (1) comprises the slide plate (9) be slidably matched with location-plate.
10. cable trench formwork jumbo as claimed in claim 9, is characterized in that: the locating surface of described location-plate is fore-and-aft plane, is provided with detachable fixed structure between described location-plate and slide plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684511.XU CN204899948U (en) | 2015-09-06 | 2015-09-06 | Cable groove formworking jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684511.XU CN204899948U (en) | 2015-09-06 | 2015-09-06 | Cable groove formworking jumbo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204899948U true CN204899948U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520684511.XU Expired - Fee Related CN204899948U (en) | 2015-09-06 | 2015-09-06 | Cable groove formworking jumbo |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604581A (en) * | 2016-03-23 | 2016-05-25 | 中铁隧道集团二处有限公司 | Hoisting and rotating type installation equipment of tunnel ditch cable groove combination template and construction method of hoisting and rotating type installation equipment |
| CN108374677A (en) * | 2018-04-16 | 2018-08-07 | 中交第公路工程局有限公司 | A kind of combined machine trolley device of tunnel side ditch and the construction of Bridge guardrail coagulation |
| CN109057824A (en) * | 2018-07-04 | 2018-12-21 | 中国葛洲坝集团股份有限公司 | A kind of tunnel cable channel forming device and forming method |
| CN109899088A (en) * | 2017-12-08 | 2019-06-18 | 中铁二局集团有限公司 | It is a kind of for being poured the mobile formwork and pouring procedure of tunnel Central drain |
| CN113346412A (en) * | 2021-04-28 | 2021-09-03 | 甘肃路桥建设集团有限公司 | Highway tunnel hogging moment truss cable trench template tractor and manufacturing method thereof |
| CN114481764A (en) * | 2022-03-21 | 2022-05-13 | 广西路建工程集团有限公司 | From walking side ditch construction formwork system |
-
2015
- 2015-09-06 CN CN201520684511.XU patent/CN204899948U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604581A (en) * | 2016-03-23 | 2016-05-25 | 中铁隧道集团二处有限公司 | Hoisting and rotating type installation equipment of tunnel ditch cable groove combination template and construction method of hoisting and rotating type installation equipment |
| CN109899088A (en) * | 2017-12-08 | 2019-06-18 | 中铁二局集团有限公司 | It is a kind of for being poured the mobile formwork and pouring procedure of tunnel Central drain |
| CN108374677A (en) * | 2018-04-16 | 2018-08-07 | 中交第公路工程局有限公司 | A kind of combined machine trolley device of tunnel side ditch and the construction of Bridge guardrail coagulation |
| CN108374677B (en) * | 2018-04-16 | 2024-03-22 | 中交一公局集团有限公司 | Combined mechanical trolley device for coagulation construction of tunnel side ditch and bridge guardrail |
| CN109057824A (en) * | 2018-07-04 | 2018-12-21 | 中国葛洲坝集团股份有限公司 | A kind of tunnel cable channel forming device and forming method |
| CN113346412A (en) * | 2021-04-28 | 2021-09-03 | 甘肃路桥建设集团有限公司 | Highway tunnel hogging moment truss cable trench template tractor and manufacturing method thereof |
| CN114481764A (en) * | 2022-03-21 | 2022-05-13 | 广西路建工程集团有限公司 | From walking side ditch construction formwork system |
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| Date | Code | Title | Description |
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| 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: 20151223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |