CN212026264U - Bearing platform concrete side form fixing device in foundation ditch - Google Patents

Bearing platform concrete side form fixing device in foundation ditch Download PDF

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Publication number
CN212026264U
CN212026264U CN202020117257.6U CN202020117257U CN212026264U CN 212026264 U CN212026264 U CN 212026264U CN 202020117257 U CN202020117257 U CN 202020117257U CN 212026264 U CN212026264 U CN 212026264U
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CN
China
Prior art keywords
fixing device
screw rod
concrete side
bearing platform
foundation pit
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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
CN202020117257.6U
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Chinese (zh)
Inventor
杨虎晨
徐俊
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Tongji University
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Tongji University
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Application filed by Tongji University filed Critical Tongji University
Priority to CN202020117257.6U priority Critical patent/CN212026264U/en
Application granted granted Critical
Publication of CN212026264U publication Critical patent/CN212026264U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a cushion cap concrete side form fixing device in foundation ditch, this fixing device include with the first tight mechanism that props of cushion cap concrete side form looks adaptation, prop tight mechanism and set up at the first screw rod coupling mechanism that props between tight mechanism and the second prop tight mechanism with the second of foundation ditch envelope looks adaptation, screw rod coupling mechanism's both ends prop tight mechanism threaded connection with first tight mechanism, second respectively. Compared with the prior art, the utility model fundamentally solves the problem that the finish rolling deformed steel bar can not be reused, reduces the consumption of the finish rolling deformed steel bar and saves the cost; the fixing device of the utility model can be used as a part of the foundation pit supporting structure, effectively strengthen the foundation pit enclosure structure and improve the safety; the fixing device has the advantages of reasonable design, simple structure, simplicity and convenience in operation, remarkable use effect and capability of improving the construction efficiency and quality.

Description

Bearing platform concrete side form fixing device in foundation ditch
Technical Field
The utility model belongs to the technical field of concrete placement, a cushion cap concrete side form fixing device in foundation ditch is related to.
Background
When square large-volume concrete such as a bearing platform and the like needs to be poured, the pressure of newly poured concrete side borne by the vertical templates on the outer sides of the periphery is very large due to the large pouring volume of the concrete. The conventional method is that PVC plastic sleeves are embedded in templates in a foundation pit, two opposite side templates are connected, finish-rolled deformed steel bars pass through the middle of the PVC plastic sleeves, two ends of the PVC plastic sleeves are fixed by bolts, and lateral pressures on two sides of the PVC plastic sleeves are balanced by the finish-rolled deformed steel bars.
In general, since the finish-rolled deformed steel bar is inserted into the sleeve, the finish-rolled deformed steel bar can be extracted when the form is removed, and then reused in other places. However, for most foundation pits, because the spaces of the sites on the two sides are usually insufficient, the deformed steel bar cannot be drawn out and is left in the bearing platform, and huge waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolster concrete side form fixing device in the foundation ditch in order to overcome the defect that above-mentioned prior art exists, solved the extravagant big problem of material that the tradition used finish rolling screw-thread steel balanced template lateral pressure to exist, just the utility model has the characteristics of simple manufacture, convenient operation, reuse etc.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a cushion cap concrete side form fixing device in foundation ditch, this fixing device include with the first tight mechanism that props of cushion cap concrete side form looks adaptation, prop tight mechanism and set up the screw rod coupling mechanism between first tight mechanism and the second of propping tight mechanism with the second of foundation ditch envelope structure looks adaptation, screw rod coupling mechanism's both ends prop tight mechanism threaded connection with first tight mechanism, second respectively. When the device is used, one end of the fixing device is erected on the transverse rib or the vertical rib of the bearing platform concrete side formwork through the first tightening mechanism, and the other end of the fixing device is supported or welded on the foundation pit support structure through the second tightening mechanism.
Further, first tight mechanism and second prop tight mechanism and all include the channel-section steel and the fixed sleeve that sets up on the channel-section steel, telescopic inside wall on be equipped with the internal thread.
Furthermore, the channel steel comprises a channel steel web plate and a pair of channel steel wing plates arranged on the channel steel web plate in parallel, and one end of the sleeve is fixedly connected with the channel steel web plate.
Further, the screw rod connecting mechanism comprises a nut, and a first screw rod and a second screw rod which are respectively arranged at two ends of the nut, wherein the first screw rod is matched with a sleeve of the first tightening mechanism, and the second screw rod is matched with a sleeve of the second tightening mechanism. The entire screw connection mechanism can be rotated using a wrench.
Further, the nut is a hexagonal nut.
Furthermore, a first external thread is arranged on the outer side wall of the first screw rod, and a second external thread is arranged on the outer side wall of the second screw rod.
Further, the thread direction of the first external thread is opposite to that of the second external thread.
Further, the length of the screw rod connecting mechanism is (slightly) smaller than the distance between the bearing platform concrete side formwork and the foundation pit support structure.
Preferably, the first tightening mechanism, the second tightening mechanism and the screw connecting mechanism are all integrally formed.
Preferably, the channel steel model is 16# b, the cutting length is 160mm, other types of channel steel can be selected according to circumstances, and the cutting length is equal to the height of other types of channel steel; the sleeve should be 50 sleeves, and one end is welded with the web of the channel steel.
Preferably, the first screw and the second screw use steel bars with the diameter of 50 mm; the first external thread and the second external thread are respectively a positive thread and a negative thread.
Preferably, the nut is a force transmission structure fixedly connected between the first screw and the second screw, and the nut, the first screw and the second screw can be cast at one time by using a mould.
Compared with the prior art, the utility model has the characteristics of it is following:
1) fundamentally has solved the problem that finish rolling screw-thread steel can not reuse, has reduced the consumption of finish rolling screw-thread steel, has practiced thrift the cost.
2) The utility model discloses a fixing device can regard as foundation ditch bearing structure's partly, effectively strengthens foundation ditch retaining structure, has improved the security.
3) The fixing device has the advantages of reasonable design, simple structure, simplicity and convenience in operation, remarkable use effect and capability of improving the construction efficiency and quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the notation in the figure is:
the steel plate comprises 1-channel steel, 101-channel steel web plate, 102-channel steel wing plate, 2-sleeve, 3-internal thread, 4-nut, 5-first screw, 6-second screw, 7-first external thread and 8-second external thread.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
as shown in fig. 1, a retaining cap concrete side form fixing device in a foundation pit comprises a first tightening mechanism matched with the retaining cap concrete side form, a second tightening mechanism matched with the foundation pit support structure, and a screw connecting mechanism arranged between the first tightening mechanism and the second tightening mechanism, wherein two ends of the screw connecting mechanism are respectively in threaded connection with the first tightening mechanism and the second tightening mechanism.
Wherein, first tight mechanism and second of propping props tight mechanism and all includes channel-section steel 1 and the fixed sleeve 2 that sets up on channel-section steel 1, is equipped with internal thread 3 on the inside wall of sleeve 2. The channel steel 1 comprises a channel steel web 101 and a pair of channel steel wing plates 102 which are arranged on the channel steel web 101 in parallel, and one end of the sleeve 2 is fixedly connected with the channel steel web 101.
The screw rod connecting mechanism comprises a nut 4, and a first screw rod 5 and a second screw rod 6 which are respectively arranged at two ends of the nut 4, wherein the first screw rod 5 is matched with the sleeve 2 of the first tightening mechanism, and the second screw rod 6 is matched with the sleeve 2 of the second tightening mechanism. The nut 4 is a hexagonal nut. The outer side wall of the first screw rod 5 is provided with a first external thread 7, and the outer side wall of the second screw rod 6 is provided with a second external thread 8. The first external thread 7 is threaded in the opposite direction to the second external thread 8.
The length of the screw rod connecting mechanism is smaller than the distance between the bearing platform concrete side formwork and the foundation pit support structure.
When the fixing device is used, the fixing device comprises the following steps:
(1) the first tightening mechanism and the second tightening mechanism are respectively connected with two ends of the screw rod connecting mechanism through the sleeve 2, the first screw rod 5 and the second screw rod 6 and are screwed to the deepest;
(2) placing a first tightening mechanism of the connected fixing device on a transverse rib (or a vertical rib and holding the transverse rib by hands) of a concrete side template of the bearing platform through a channel steel wing plate 102, and keeping the whole fixing device in a horizontal state;
(3) stabilizing the second tightening mechanism;
(4) rotating the nut 4 to extend the whole fixing device and keep the second tightening mechanism from rotating until the second tightening mechanism props against the foundation pit support structure;
(5) the nut 4 continues to be turned until the tightest degree is reached, and the installation is finished. Welding the connection part with the foundation pit support structure can be considered under certain conditions;
(6) after concrete pouring is finished, the nut 4 is rotated reversely, so that the whole fixing device is shortened and loosened and then taken down.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims (8)

1. The utility model provides a cushion cap concrete side form fixing device in foundation ditch, its characterized in that, this fixing device include with the first tight mechanism that props of cushion cap concrete side form looks adaptation, with the second of foundation ditch envelope looks adaptation prop tight mechanism and set up the screw rod coupling mechanism between first tight mechanism and the second of propping tight mechanism, screw rod coupling mechanism's both ends prop tight mechanism threaded connection with first tight mechanism, second respectively.
2. The fixing device for the concrete side formwork of the bearing platform in the foundation pit is characterized in that the first tightening mechanism and the second tightening mechanism respectively comprise a channel steel (1) and a sleeve (2) fixedly arranged on the channel steel (1), and inner side walls of the sleeves (2) are provided with inner threads (3).
3. The fixing device for the concrete side formwork of the bearing platform in the foundation pit is characterized in that the channel steel (1) comprises a channel steel web (101) and a pair of channel steel wing plates (102) which are arranged on the channel steel web (101) in parallel, and one end of the sleeve (2) is fixedly connected with the channel steel web (101).
4. The device for fixing the concrete lateral formwork of the bearing platform in the foundation pit according to claim 2, wherein the screw rod connecting mechanism comprises a nut (4) and a first screw rod (5) and a second screw rod (6) which are respectively arranged at two ends of the nut (4), the first screw rod (5) is matched with the sleeve (2) of the first tightening mechanism, and the second screw rod (6) is matched with the sleeve (2) of the second tightening mechanism.
5. The fixing device for the concrete side formwork of the bearing platform in the foundation pit is characterized in that the nut (4) is a hexagonal nut.
6. The fixing device for the concrete side formwork of the bearing platform in the foundation pit is characterized in that a first external thread (7) is arranged on the outer side wall of the first screw (5), and a second external thread (8) is arranged on the outer side wall of the second screw (6).
7. The foundation pit inner bearing platform concrete side formwork fixing device according to claim 6, wherein the first external thread (7) and the second external thread (8) are opposite in thread direction.
8. The device for fixing the bearing platform concrete side template in the foundation pit according to claim 1, wherein the length of the screw rod connecting mechanism is smaller than the distance between the bearing platform concrete side template and the foundation pit enclosure structure.
CN202020117257.6U 2020-01-19 2020-01-19 Bearing platform concrete side form fixing device in foundation ditch Expired - Fee Related CN212026264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020117257.6U CN212026264U (en) 2020-01-19 2020-01-19 Bearing platform concrete side form fixing device in foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020117257.6U CN212026264U (en) 2020-01-19 2020-01-19 Bearing platform concrete side form fixing device in foundation ditch

Publications (1)

Publication Number Publication Date
CN212026264U true CN212026264U (en) 2020-11-27

Family

ID=73485812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020117257.6U Expired - Fee Related CN212026264U (en) 2020-01-19 2020-01-19 Bearing platform concrete side form fixing device in foundation ditch

Country Status (1)

Country Link
CN (1) CN212026264U (en)

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Granted publication date: 20201127