CN210031813U - Steel-pipe column straightness correcting unit that hangs down of reverse construction method - Google Patents
Steel-pipe column straightness correcting unit that hangs down of reverse construction method Download PDFInfo
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- CN210031813U CN210031813U CN201920630512.4U CN201920630512U CN210031813U CN 210031813 U CN210031813 U CN 210031813U CN 201920630512 U CN201920630512 U CN 201920630512U CN 210031813 U CN210031813 U CN 210031813U
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Abstract
The utility model discloses a steel pipe column verticality correction device for a reverse construction method, which comprises a guide cylinder which is vertically arranged, the lower part of the steel pipe column is vertically inserted into the guide cylinder, a horizontal bearing plate is sleeved outside the upper end of the guide cylinder and is fixedly connected with the guide cylinder, a horizontal detector for detecting the levelness of the bearing plate is arranged on the upper end surface of the bearing plate, a vertical adjusting support for adjusting the levelness of the bearing plate is arranged on the lower end surface of the bearing plate, and a radial loading mechanism for applying radial pressure to the steel pipe column is also arranged on the upper end surface of the bearing plate; the device also comprises a vertical detector for monitoring the perpendicularity of the steel pipe column, and constructors can control the radial loading mechanism to apply radial pressure to the steel pipe column according to monitoring data to adjust the perpendicularity of the steel pipe column. The utility model discloses a simple and easy device and construction method have solved the difficult problem of control of traditional reverse construction method steel-pipe column straightness that hangs down, have reached anticipated effect, need not to use the HPE hydraulic pressure vertical insertion machine that bulky, expense, and then are favorable to reducing construction cost, save construction space.
Description
Technical Field
The utility model relates to a foundation construction technical field especially relates to a reverse construction method steel-pipe column straightness correcting unit that hangs down and steel-pipe column construction method.
Background
Because of the increasingly tense land resources in China, the development of urban underground spaces enters a high-speed development stage, and in recent years, the novel foundation pit supporting technology in China generally adopts a reverse construction method, particularly the construction of multi-layer underground structures such as urban underground complexes, track traffic underground stations and the like. The vertical bearing system of the main body structure constructed by the reverse construction method usually adopts a 'one-column one-pile' structure, namely, an intermediate support is constructed in a foundation pit, after the intermediate support pile is poured to the bottom elevation of the foundation pit, a permanent steel pipe column which supports the upper construction load and is constructed reversely is installed at the top of the support pile, and the verticality control during the construction of the steel pipe column is of great importance to the quality of engineering.
In recent years, the construction method of vertically inserting the HPE hydraulic pressure into the steel pipe column is widely used, and the method vertically inserts the permanent steel pipe column with the closed bottom end into the concrete of the support pile through two hydraulic vertical insertion devices on a machine body of the HPE hydraulic vertical insertion machine according to the principle of two-point positioning after the concrete of the support pile is poured and before the concrete is initially set until the permanent steel pipe column is inserted to the designed elevation. Although the HPE construction method has the advantages of high working efficiency, high precision and easy quality guarantee, the HPE hydraulic vertical insertion machine is large in size, expensive in equipment and high in cost.
In view of this, the utility model discloses develop a simple structure, area is little, convenient operation, with low costs and can better control straightness's that hangs down calibrating device and construction method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at developing a simple structure, area is little, convenient operation, with low costs and can better control reverse construction method steel-pipe column straightness's that hangs down calibrating device.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a steel pipe column verticality correction device for a reverse construction method comprises a vertically arranged guide cylinder, wherein the lower part of a steel pipe column is vertically inserted into the guide cylinder, a horizontal bearing plate is sleeved outside the upper end of the guide cylinder and fixedly connected with the guide cylinder, a horizontal detector for detecting the levelness of the bearing plate is arranged on the upper end surface of the bearing plate, a vertical adjusting support for adjusting the levelness of the bearing plate is arranged on the lower end surface of the bearing plate, and a radial loading mechanism for applying radial pressure to the steel pipe column from different directions in the same plane is further arranged on the upper end surface of the bearing plate;
the vertical detector is used for monitoring the perpendicularity of the steel pipe column, the handheld terminal is communicated with the vertical detector and used for receiving and displaying monitoring data of the vertical detector, and constructors can control the radial loading mechanism to apply radial pressure to the steel pipe column according to the monitoring data and adjust the perpendicularity of the steel pipe column.
Further, the level detector includes at least three non-collinear level bubbles.
Furthermore, the vertical adjusting support comprises a plurality of hydraulic supporting legs, and the hydraulic supporting legs are evenly arranged along the circumferential direction of the guide cylinder.
Furthermore, the radial loading mechanism comprises a hydraulic pump and a plurality of hydraulic jacks respectively connected with the hydraulic pump, the hydraulic jacks are uniformly arranged along the circumferential direction of the guide cylinder, and the hydraulic pumps respectively drive the hydraulic jacks to radially extend/contract along the guide cylinder, so that the verticality of the steel pipe column can be adjusted.
Furthermore, the hydraulic jack output end is provided with an arc-shaped clamping plate matched with the steel pipe column, and the arc-shaped clamping plate is attached to the radian of the steel pipe column, so that the steel pipe column can be completely clamped by the pressure of the jack when the hydraulic pump gives power to the jack.
Furthermore, the vertical detector comprises a first vertical sensor and a second vertical sensor which are used for monitoring the verticality of the upper part of the steel pipe column, wherein the first vertical sensor and the second vertical sensor are fixed on the outer side surface of the upper part of the steel pipe column through supporting pieces and are arranged in two mutually-crossed and vertical directions on the same plane; the device also comprises a third vertical sensor and a fourth sensor which are used for monitoring the verticality of the lower part of the steel pipe column, wherein the third vertical sensor and the fourth sensor are arranged on the inner side surface of the lower end of the steel pipe column and are arranged in two mutually-crossed and vertical directions on the same plane.
Furthermore, the handheld terminal is a computer monitor or a tablet or a mobile phone, and the handheld terminal is in wireless communication connection with the vertical detector.
The utility model has the advantages that: the utility model discloses a simple and easy device and construction method have solved the difficult problem of control of traditional reverse construction method steel-pipe column straightness that hangs down, have reached anticipated effect, need not to use the HPE hydraulic pressure vertical insertion machine that bulky, expense, and then are favorable to reducing construction cost, save construction space.
Drawings
Fig. 1 is a schematic construction diagram of a steel pipe column according to a reverse construction method of the present invention;
FIG. 2 is a top view of the deck plate;
FIG. 3 is a schematic view of the installation of the vertical detector.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-3, a verticality correction device for a steel pipe column by a top-down construction method comprises a vertically arranged guide cylinder 1, wherein the lower part of the steel pipe column 2 is vertically inserted into the guide cylinder 1, a horizontal bearing plate 3 is sleeved outside the upper end of the guide cylinder 1, the bearing plate 3 is fixedly connected with the guide cylinder 1, a horizontal detector 4 for detecting the levelness of the bearing plate 3 is arranged on the upper end surface of the bearing plate 3, a vertical adjusting support 5 for adjusting the levelness of the bearing plate 3 is arranged on the lower end surface of the bearing plate 3, and a radial loading mechanism 6 for applying radial pressure to the steel pipe column 2 from different directions in the same plane is further arranged on the upper end surface of the bearing plate 3;
still including the perpendicular detector 7 of 2 straightness that hang down of monitoring steel-pipe column to and with the handheld terminal 8 of the communication of perpendicular detector 7 for receive and show the monitoring data of perpendicular detector 7, constructor can exert radial pressure to steel-pipe column 2 according to monitoring data control radial loading mechanism 6, adjusts the straightness that hangs down of steel-pipe column 2.
The level detector 4 comprises at least three non-collinear level bubbles.
The vertical adjusting support 5 comprises a plurality of hydraulic support legs 51, and the hydraulic support legs 51 are uniformly arranged along the circumferential direction of the guide cylinder.
The radial loading mechanism 6 comprises a hydraulic pump 61 and a plurality of hydraulic jacks 62 respectively connected with the hydraulic pump 61, the hydraulic jacks 62 are uniformly arranged along the circumferential direction of the guide cylinder 1, and the hydraulic pumps 61 respectively drive the hydraulic jacks 62 to radially extend/contract along the guide cylinder 1, so that the verticality adjustment of the steel pipe column 2 can be realized.
The output end of the hydraulic jack 62 is connected with a detachable arc-shaped clamping plate 63, and the arc-shaped clamping plate 63 is attached to the steel pipe column 2 in a radian mode, so that the pressure of the hydraulic jack 62 can completely clamp the steel pipe column 2 when the hydraulic pump 61 gives power to the hydraulic jack 63.
The vertical detector 7 includes a first vertical sensor 71 and a second vertical sensor 72, and the first vertical sensor 71 and the second vertical sensor 72 are fixed to the outer side surface of the upper portion of the steel pipe column 2 by a support 73 and are disposed in two mutually intersecting perpendicular directions on the same plane.
The device can assist the construction of the steel pipe column and achieve the aim of controlling the verticality of the steel pipe column. The method specifically comprises the following steps:
as shown in fig. 1, a construction method of a steel pipe column by a reverse method includes the following steps:
step 1: carrying out hardening and leveling treatment on plain concrete 9 at the non-pile hole position on the periphery of the steel pipe column;
step 2: a vertical detector 7 is arranged on the steel pipe column to be installed, and the vertical detector 7 is communicated with a handheld terminal 8 to transmit dynamic data;
and step 3: after plain concrete 9 is hardened to the designed strength, taking a straight steel pipe as a guide cylinder 1, vertically sleeving the straight steel pipe outside a pile hole 10 of a steel pipe column 2, taking a steel plate with a hole at the center as a bearing plate 3, horizontally sleeving the steel plate at the upper end of the guide cylinder 1, fixing the steel plate by welding, installing a vertical adjusting support 5 for adjusting the levelness of the bearing plate 3 on the lower end surface of the bearing plate 3, and installing a horizontal detector 4 for monitoring the levelness of the bearing plate 3 on the upper end surface of the bearing plate 3;
and 4, step 4: after the bearing plate 3 is adjusted to be in a horizontal state through the vertical adjusting support 5, inserting the steel pipe column 2 to be installed in the step 2 into a pile hole 10 from a hole of the bearing plate 3, installing a radial loading mechanism 6 which applies radial pressure to the steel pipe column 2 from different directions of the same plane on the upper end face of the bearing plate 3, and applying the radial pressure through the radial loading mechanism 6 to adjust the steel pipe column 2 to be in a vertical state;
and 5: clamping the top of the steel pipe column 2 by using a pile casing 12 of a vibration hammer 11, inserting the steel pipe column 2 into a supporting pile below, displaying dynamic data of perpendicularity of the steel pipe column 2 in real time by using a handheld terminal 8 in the inserting process, and controlling a radial loading mechanism 6 to adjust the value of radial pressure applied to each direction of the steel pipe column 2 by an operator when the inclination of the steel pipe column 2 is displayed, and adjusting the perpendicularity of the steel pipe column 2;
step 6: when the verticality and the elevation of the steel pipe column 2 reach the design standard requirements, the radial loading mechanism 6 is used for fixing the steel pipe column, the vibration hammer 11 is dismounted, pouring is carried out, the vertical sensor 7 continues to monitor the steel pipe column 2, if the steel pipe column is inclined, the radial loading mechanism 6 is used for adjusting the steel pipe column until the pouring is finished, and the vertical detector 7 is dismounted and reused.
The utility model discloses a simple and easy device and construction method have solved the difficult problem of control of traditional reverse construction method steel-pipe column straightness that hangs down, have reached anticipated effect, need not to use the HPE hydraulic pressure vertical insertion machine that bulky, expense, and then are favorable to reducing construction cost, save construction space.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
Claims (7)
1. The verticality correcting device for the steel pipe column by the reverse construction method is characterized by comprising a vertically arranged guide cylinder, wherein the lower part of the steel pipe column is vertically inserted into the guide cylinder, a horizontal bearing plate is sleeved outside the upper end of the guide cylinder and fixedly connected with the guide cylinder, a horizontal detector for detecting the levelness of the bearing plate is arranged on the upper end surface of the bearing plate, a vertical adjusting support for adjusting the levelness of the bearing plate is arranged on the lower end surface of the bearing plate, and a radial loading mechanism for applying radial pressure to the steel pipe column from different directions in the same plane is further arranged on the upper end surface of the bearing plate;
the vertical detector is used for monitoring the perpendicularity of the steel pipe column, the handheld terminal is communicated with the vertical detector and used for receiving and displaying monitoring data of the vertical detector, and constructors can control the radial loading mechanism to apply radial pressure to the steel pipe column according to the monitoring data and adjust the perpendicularity of the steel pipe column.
2. The reverse-construction steel pipe column verticality correction device according to claim 1, wherein the horizontal detector comprises at least three non-collinear leveling air bubbles.
3. The device for correcting the perpendicularity of the steel pipe column according to the top-down method of claim 1, wherein the vertical adjusting support comprises a plurality of hydraulic support legs, and the hydraulic support legs are uniformly arranged along the circumferential direction of the guide cylinder.
4. The device for correcting the perpendicularity of the steel pipe column according to the top-down construction method of claim 1, wherein the radial loading mechanism comprises a hydraulic pump and a plurality of hydraulic jacks respectively connected with the hydraulic pump, the hydraulic jacks are uniformly arranged along the circumferential direction of the guide cylinder, and the hydraulic jacks are respectively driven by the hydraulic pump to radially extend/contract along the guide cylinder, so that the perpendicularity of the steel pipe column can be adjusted.
5. The device for correcting the perpendicularity of the steel pipe column according to the top-down construction method of claim 4, wherein an arc-shaped clamping plate matched with the steel pipe column is arranged at the output end of the hydraulic jack, and the arc-shaped clamping plate is in radian fit with the steel pipe column, so that the steel pipe column can be completely clamped by the pressure of the jack when the hydraulic pump powers the jack.
6. The device for correcting the perpendicularity of the steel pipe column according to the top-down method of claim 1, wherein the vertical detector comprises a first vertical sensor and a second vertical sensor for monitoring the perpendicularity of the upper portion of the steel pipe column, and the first vertical sensor and the second vertical sensor are fixed on the outer side face of the upper portion of the steel pipe column through supporting pieces and are arranged in two mutually-crossed and perpendicular directions on the same plane; the device also comprises a third vertical sensor and a fourth sensor which are used for monitoring the verticality of the lower part of the steel pipe column, wherein the third vertical sensor and the fourth sensor are arranged on the inner side surface of the lower end of the steel pipe column and are arranged in two mutually-crossed and vertical directions on the same plane.
7. The steel pipe column verticality correction device according to claim 1, wherein the handheld terminal is a computer monitor or a flat panel or a mobile phone, and the handheld terminal is in wireless communication connection with the vertical detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630512.4U CN210031813U (en) | 2019-05-06 | 2019-05-06 | Steel-pipe column straightness correcting unit that hangs down of reverse construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920630512.4U CN210031813U (en) | 2019-05-06 | 2019-05-06 | Steel-pipe column straightness correcting unit that hangs down of reverse construction method |
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| CN210031813U true CN210031813U (en) | 2020-02-07 |
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| CN201920630512.4U Active CN210031813U (en) | 2019-05-06 | 2019-05-06 | Steel-pipe column straightness correcting unit that hangs down of reverse construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016914A (en) * | 2019-05-06 | 2019-07-16 | 福建省九龙建设集团有限公司 | Contrary sequence method steel pipe column perpendicularity correction equipment and steel pipe column construction method |
| CN112942682A (en) * | 2021-01-27 | 2021-06-11 | 上海绿地建设(集团)有限公司 | Multicavity steel core concrete column |
| CN114737607A (en) * | 2021-02-09 | 2022-07-12 | 北京住总集团有限责任公司 | Construction method of underground supporting structure |
-
2019
- 2019-05-06 CN CN201920630512.4U patent/CN210031813U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016914A (en) * | 2019-05-06 | 2019-07-16 | 福建省九龙建设集团有限公司 | Contrary sequence method steel pipe column perpendicularity correction equipment and steel pipe column construction method |
| CN112942682A (en) * | 2021-01-27 | 2021-06-11 | 上海绿地建设(集团)有限公司 | Multicavity steel core concrete column |
| CN112942682B (en) * | 2021-01-27 | 2022-06-14 | 上海绿地建设(集团)有限公司 | Multicavity steel core concrete column |
| CN114737607A (en) * | 2021-02-09 | 2022-07-12 | 北京住总集团有限责任公司 | Construction method of underground supporting structure |
| CN114737607B (en) * | 2021-02-09 | 2024-05-28 | 北京住总集团有限责任公司 | Construction method of underground supporting structure |
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