CN209907432U - Cast in situ concrete box culvert steel construction combination formula whole formwork support system - Google Patents
Cast in situ concrete box culvert steel construction combination formula whole formwork support system Download PDFInfo
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- CN209907432U CN209907432U CN201920375141.XU CN201920375141U CN209907432U CN 209907432 U CN209907432 U CN 209907432U CN 201920375141 U CN201920375141 U CN 201920375141U CN 209907432 U CN209907432 U CN 209907432U
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Abstract
The utility model discloses a cast-in-place concrete box culvert steel structure combined type integral template bracket system which is used for supporting a steel structure template, and comprises a template bracket structure and a walking track for the template bracket system to go forward; the template support structure is arranged inside the steel structure template, the top end of the template support structure supports a top mold of the steel structure template through a screw rod structure, and the bottom of the template support structure is connected with a bottom beam which runs on a running track through rollers; the jacks can be detachably placed on two sides of the walking track to jack the bottom beam at the bottom of the formwork support structure, so that the whole formwork support structure is jacked up. The support system does not need to be disassembled in the whole construction process, so that the construction time is saved, the application is flexible, the material loss is low, and the effect is high.
Description
Technical Field
The utility model relates to an underground works construction field. More specifically, the utility model relates to a cast in situ concrete box culvert steel construction combination formula whole formwork support system.
Background
In the high-speed development process in city, newly-built utility tunnel is the focus of present city construction, and city drainage channel's construction has appeared a new trend simultaneously: the current situation is that the open drainage channel is adjusted to a concrete drainage box culvert form. The general section of utility tunnel or drainage box culvert changes lessly, and is same standard basically.
The underground pipe gallery and the drainage box culvert generally adopt cast-in-place concrete structures. In the traditional construction process, a support system of a wood template and a steel pipe bracket is adopted during the construction of a cast-in-place concrete structure. At the present stage, a new trend appears, namely the wood formwork is adjusted to be a steel structural formwork, and the support system is still a steel pipe support. According to the division of the structural construction sections, when one section of structure is constructed, the formwork support is firstly installed by one section, and the cast-in-place concrete structure is dismantled after the cast-in-place concrete structure reaches the design strength in the later period. The formwork support of each construction section of the construction process needs to be installed and dismantled once, time is consumed, construction is complicated, certain loss exists in each turnover, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cast in situ concrete box culvert steel construction combination formula whole formwork support system only needs ann to tear open once, save time, and the application is nimble, and the material loss volume is low, and the efficiency is higher.
In order to achieve the above purpose, the utility model provides a cast-in-place concrete box culvert steel structure combined type integral formwork support system, which is used for supporting a steel structure formwork, wherein the steel structure formwork is an inverted U-shaped structure composed of a top formwork and side formworks at two sides, the upper ends of the side formworks at two sides are respectively and movably hinged at two ends of the top formwork, and the cast-in-place concrete box culvert steel structure combined type integral formwork support system comprises a formwork support structure and a walking track for the formwork support system to go forward;
the template support structure is arranged inside the steel structure template, the top end of the template support structure supports a top die of the steel structure template, the bottom of the template support structure is connected with a bottom beam, the bottom beam travels on a traveling rail through rollers, a plurality of first loose leaves are vertically arranged on the inner side surfaces of the side dies on the two sides of the steel structure template, second loose leaves which are in one-to-one correspondence with the first loose leaves are arranged on the side surface of the template support structure facing the side dies on the two sides, and a support rod structure is connected between every two corresponding first loose leaves and every two corresponding second loose leaves;
the jacks can be detachably placed on two sides of the walking track to jack the bottom beam at the bottom of the formwork support structure, so that the whole formwork support structure is jacked up.
Preferably, the cast-in-place concrete box culvert steel structure combined type integral formwork support system is characterized in that an upper group of support rod structure and a lower group of support rod structure are respectively arranged between two sides of the formwork support structure and side molds on two sides of the steel structure formwork.
Preferably, the cast-in-place concrete box culvert steel structure combined type integral template support system is characterized in that two sides and the top end of the template support structure are detachably connected respectively. The size of the steel structure combined type integral template bracket system can be flexibly adjusted according to the structure size of the box culvert.
More preferably, the cast-in-place concrete box culvert steel structure combination formula whole template support system, the walking track sets up along the trend of box culvert.
Preferably, the cast-in-place concrete box culvert steel structure combined type integral template support system is characterized in that the support rod structure is a double-head cylinder, and two ends of the support rod structure are respectively hinged to the first hinge and the second hinge. The length of the stay bar can be adjusted according to the actual size of the box culvert structure.
More preferably, cast in situ concrete box culvert steel construction combination formula whole formwork support system, steel construction formwork's top mould is propped through the lead screw structure in the top of formwork support structure, wherein, the lead screw structure includes that the inner wall is equipped with the screwed interior hollow column structure to and can dismantle the lead screw of screw access in it, one of them is installed on steel construction formwork's top mould, another is installed on formwork support structure top.
The utility model discloses at least, include following beneficial effect: the utility model discloses a steel structure template is assembled after accomplishing, supports through template support system, and after the cast-in-place concrete work progress of current section of box culvert or piping lane was accomplished, loosens template support system, drives steel structure template and inwards contracts (steel structure template no longer pushes up on box culvert or piping lane wall), just can wholly move steel structure template and template support system to next construction section on the walking track, and this support system need not dismantle in whole work progress, has practiced thrift the engineering time, and the application is comparatively nimble, and the material loss is low, and the efficiency is higher; and the utility model discloses the length of utilizing to adjust the vaulting pole structure utilizes the height of the whole formwork support structure of jack adjustment to formwork support structure can dismantle and assemble, and then can adjust this cover formwork support template according to actual conditions, is applicable to different steel construction templates.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic diagram of the mechanism of the present invention in the construction state.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, the utility model provides a cast-in-place concrete box culvert steel structure combined type integral formwork support system, which is used for supporting a steel structural formwork, wherein the steel structural formwork 1 is an inverted U-shaped structure composed of a top formwork 101 and two side formworks 102, the upper ends of the two side formworks 102 are respectively and movably hinged at two ends of the top formwork 101, and the cast-in-place concrete box culvert steel structure combined type integral formwork support system comprises a formwork support structure 2 and a walking track 3 for the formwork support structure 2 to move forwards; the shape of the template support structure 2 is matched with that of the steel structure template 1;
When the support system is used for box culvert concrete cast-in-place construction, as shown in figure 1, a jack structure 4 lifts a bottom beam 5 to be away from a certain distance of a walking track 3 below, the whole formwork support structure is supported by the jack 4 until a top mould 101 of a steel structure formwork 1 is lifted to a proper position, so that subsequent construction is facilitated (rollers cannot support the weight of the cast-in-place concrete structure for a long time), at the moment, side moulds 102 on two sides are also in an open state under the support of a support rod structure 8 (namely a double-end cylinder which is a hydraulic cylinder and is telescopic and adjustable in length), the side moulds are positioned at side wall sideline design positions, steel bar binding and cast-in-place concrete construction can be carried out, after the concrete reaches design strength after construction, the jack structure 4 is controlled to retract, so that the whole device is driven to move downwards, and the bottom beam 5 returns to the walking track 3, at this time, the rollers at the lower end of the ground beam 5 fall onto the walking track 3 and can walk, (at this time, the jack 4 can be moved), meanwhile, the brace rod structure 8 (namely, a double-head cylinder) at the upper part between the template support structure 2 and the side mold 102 is shortened, at this time, the side mold 102 is not in contact with the side wall of the box culvert, and the whole template support structure can walk along the walking track 3 to the next construction working section for construction. The support system does not need to be disassembled in the whole construction project, so that the construction time is saved, the application is flexible, the material loss is low, and the effect is high.
In a more preferred embodiment, in the cast-in-place concrete box culvert steel structure combined type integral formwork support system, an upper group of support rod structures and a lower group of support rod structures are respectively arranged between two sides of the formwork support structure 2 and the side molds 102 on two sides.
In a more preferred embodiment, the cast-in-place concrete box culvert steel structure combined type integral formwork support system is characterized in that the screw rod structure 9 comprises an inner hollow cylindrical structure with threads on the inner wall and a screw rod detachably screwed into the inner hollow cylindrical structure, one of the inner hollow cylindrical structure and the screw rod is installed on a top die of a steel structure formwork, and the other one of the inner hollow cylindrical structure and the screw rod is installed at the top end of the formwork support structure. In this case, the distance between the fixed die of the steel structure template and the top end of the template support structure can be adjusted according to actual needs;
in a more preferred embodiment, the two sides and the top of the cast-in-place concrete box culvert steel structure combined type integral template support system are detachably connected with each other respectively.
The utility model discloses the length of utilizing to adjust the vaulting pole structure utilizes the height of the whole formwork support structure of jack adjustment to formwork support structure 2 can be dismantled and assemble, and then can adjust this cover formwork support template size according to actual conditions.
While the embodiments of the invention have been disclosed above, it is not intended to be limited to the details shown in the description and the embodiments, and thus the invention is not to be limited to the details shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (6)
1. A cast-in-place concrete box culvert steel structure combined type integral template support system is used for supporting a steel structure template, wherein the steel structure template is an inverted U-shaped structure which is formed by a top die and side dies on two sides, and the upper ends of the side dies on the two sides are respectively and movably hinged at two ends of the top die;
the template support structure is arranged inside the steel structure template, the top end of the template support structure supports a top die of the steel structure template, the bottom of the template support structure is connected with a bottom beam, the bottom beam travels on a traveling rail through rollers, a plurality of first loose leaves are vertically arranged on the inner side surfaces of the side dies on the two sides of the steel structure template, second loose leaves which are in one-to-one correspondence with the first loose leaves are arranged on the side surface of the template support structure facing the side dies on the two sides, and a support rod structure is connected between every two corresponding first loose leaves and every two corresponding second loose leaves;
the jacks can be detachably placed on two sides of the walking track to jack the bottom beam at the bottom of the formwork support structure, so that the whole formwork support structure is jacked up.
2. The cast-in-place concrete box culvert steel structure combined type integral template support system as claimed in claim 1, wherein an upper group and a lower group of brace rod structures are respectively arranged between two sides of the template support structure and side dies on two sides of the steel structure template.
3. The cast-in-place concrete box culvert steel structure combined type integral formwork support system as claimed in claim 1, wherein both sides and the top end of the formwork support structure are respectively detachably connected.
4. The cast-in-place concrete box culvert steel structure combined type integral template bracket system as claimed in claim 1, wherein the walking rails are arranged along the trend of the box culvert.
5. The cast-in-place concrete box culvert steel structure combination formula whole template support system of claim 1, characterized in that, the vaulting pole structure is double-end cylinder, and its both ends articulate respectively on first loose-leaf and second loose-leaf.
6. The cast-in-place concrete box culvert steel structure combined type integral formwork support system as claimed in claim 1, wherein the top end of the formwork support structure supports the top formwork of the steel structure formwork through a screw rod structure, wherein the screw rod structure comprises an inner hollow cylindrical structure with threads on the inner wall and a screw rod detachably screwed into the inner hollow cylindrical structure, one of the screw rod structure and the screw rod is installed on the top formwork of the steel structure formwork, and the other screw rod is installed on the top end of the formwork support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375141.XU CN209907432U (en) | 2019-03-24 | 2019-03-24 | Cast in situ concrete box culvert steel construction combination formula whole formwork support system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375141.XU CN209907432U (en) | 2019-03-24 | 2019-03-24 | Cast in situ concrete box culvert steel construction combination formula whole formwork support system |
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| CN209907432U true CN209907432U (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982256A (en) * | 2021-11-08 | 2022-01-28 | 广东省水利水电第三工程局有限公司 | Template structure and template system |
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2019
- 2019-03-24 CN CN201920375141.XU patent/CN209907432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982256A (en) * | 2021-11-08 | 2022-01-28 | 广东省水利水电第三工程局有限公司 | Template structure and template system |
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