CN216515771U - Major diameter pile foundation steel protects a straightness monitoring and corrects device that hangs down - Google Patents
Major diameter pile foundation steel protects a straightness monitoring and corrects device that hangs down Download PDFInfo
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- CN216515771U CN216515771U CN202122886772.8U CN202122886772U CN216515771U CN 216515771 U CN216515771 U CN 216515771U CN 202122886772 U CN202122886772 U CN 202122886772U CN 216515771 U CN216515771 U CN 216515771U
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Abstract
The utility model relates to a verticality monitoring and correcting device for a large-diameter pile foundation steel casing, which comprises a steel casing sighting line, steel casings, rigid pulleys, a hydraulic jack, a reaction frame and a laser level, wherein the laser level emits a plumb laser line; four reaction frames are arranged and respectively fixed on four diagonal points of the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the reaction frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing; the steel casing alignment line, the center of the steel pulley and the plumb line of the laser level gauge are positioned on the same vertical plane; when the steel casing sighting line deviates, a distance is generated between a plumb line of the laser level meter and the steel casing sighting line, and the four jacks are controlled by the computer terminal to perform telescopic displacement so as to adjust the verticality of the steel casing.
Description
Technical Field
The utility model relates to the field of pile foundation construction, in particular to a device for monitoring and correcting the verticality of a large-diameter pile foundation steel casing.
Background
Under some special geological conditions, in order to ensure that the hole wall is stabilized, the hole is prevented from collapsing and the pile position is fixed in the pile foundation construction process, the construction of the steel casing is required. In the process of lowering the steel casing, the verticality of the steel casing is a key for influencing the quality of the pile. Therefore, the verticality deviation of the steel casing of the cast-in-situ bored pile in the sinking process needs to be monitored. And when the verticality deviation occurs, corresponding measures are taken in time to ensure the subsequent pile forming quality. The main construction technology for controlling the perpendicularity of the steel casing in the current cast-in-situ bored pile construction is to observe a lifting bracket with a 90-degree angle between the front surface and the side surface through a total station to determine whether the perpendicularity of the pile needs to be adjusted. The method needs technicians to observe the corbels through the level gauges on the front side and the side, and the technology is greatly influenced by construction and is easy to generate operation errors, so that the verticality deviation after pile forming is larger than the national standard allowable range, and the final pile forming quality is influenced.
Disclosure of Invention
Aiming at the defects, the utility model provides the device for monitoring and correcting the verticality of the steel casing of the large-diameter pile foundation, which can monitor the verticality deviation generated in the sinking process of the steel casing, and timely takes corresponding measures according to the monitoring result to improve the final pile forming quality.
The utility model solves the technical problem by adopting the scheme that the verticality monitoring and correcting device for the steel pile foundation pile casing comprises a steel casing sighting line, steel casings, rigid pulleys, a hydraulic jack, a reaction frame and a laser level, wherein the laser level is fixed on the ground and emits a plumb laser line; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to equally divide the arc outside the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the steel casing sight line, the plumb line of the laser level meter and the centers of the rigid pulleys on the reaction frame between the steel casing sight line and the plumb line are positioned on the same vertical plane.
Further, the hydraulic jack is controlled by the controller to extend and retract.
Further, the controller is a computer terminal.
Further, in the firm pulley is fixed in the terminal cuboid recess of piston rod through the axostylus axostyle, the steel pulley center is arranged in to the axostylus axostyle, and steel pulley is through bearing and axostylus axostyle normal running fit, and steel pulley can rotate around the axis pole is free.
Furthermore, the laser level meter is fixed on the ground outside the steel casing in an embedding mode.
Compared with the prior art, the utility model has the following beneficial effects: simple structure, reasonable in design can protect a section of thick bamboo to sink the in-process to take place the straightness deviation that hangs down monitoring and correcting, and need not to pause the construction at the in-process of monitoring with rectifying, saves the time limit for a project, and has security and simplicity concurrently, can be accurate effectual suppression steel protect a skew of section of thick bamboo at the in-process of monitoring with rectifying, has avoided the error of artifical use instrument in-process, has guaranteed that the steel protects a section of thick bamboo and has transferred the precision of in-process verticality.
Drawings
The utility model is further described with reference to the following figures.
Fig. 1 is a schematic cross-sectional view of the present apparatus.
Fig. 2 is a top view of the device.
FIG. 3 is a schematic view of laser level alignment.
In the figure: 1-laser level meter, 2-reaction frame, 3-hydraulic jack, 4-piston rod, 5-rigid pulley, 6-steel casing, 7-controller, 8-steel casing alignment line.
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 in the embodiments of the present invention.
As shown in fig. 1-3, a major diameter pile foundation steel casing verticality monitoring and correcting device comprises a steel casing sighting line 8, a steel casing 6, a rigid pulley 5, a hydraulic jack 3, a reaction frame 2 and a laser level 1, wherein the laser level is fixed on the ground to emit a plumb laser line, the steel casing sighting line is arranged on the peripheral side surface of the steel casing, the two steel casing sighting lines are arranged along the axial direction of the steel casing, and the two steel casing sighting lines are perpendicular to the connecting line of the circle center of the steel casing; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to divide the arc outside the steel casing equally, scales are arranged on a piston rod 4 of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the centers of the steel casing sighting line, the plumb laser line of the laser level meter and the rigid pulley on the reaction frame between the steel casing sighting line and the plumb laser line are positioned on the same vertical plane;
when the steel casing sighting line deviates, the plumb laser line of the laser level gauge and the steel casing sighting line generate an interval, and the perpendicularity of the steel casing is adjusted by controlling the four jacks to perform telescopic displacement.
In this embodiment, the hydraulic jack is controlled to extend and retract by a controller 7.
In this embodiment, the controller is a computer terminal.
In this embodiment, just the pulley is fixed in the terminal cuboid recess of piston rod through the axostylus axostyle in, steel pulley center is arranged in to the axostylus axostyle, and steel pulley is through bearing and axostylus axostyle normal running fit, and steel pulley can be around the staff free rotation.
In this embodiment, to ensure that the laser level is not affected by the vibration of the steel casing hammering, the laser level is fixed on the ground outside the steel casing by means of embedment.
The use steps are as follows:
the method comprises the following steps: before hoisting, engraving two steel casing sight lines on the surface of the steel casing, wherein the two steel casing sight lines are mutually vertical to a connecting line of the circle center of the steel casing;
step two: hoisting the steel casing to the position above the pre-construction ground, installing a rigid pulley, a hydraulic jack and a reaction frame, ensuring that the rigid pulley is tightly attached to the steel casing after installation, and ensuring that the center of the rigid pulley is aligned with a steel casing alignment line;
step three: after the installation is completed, the steel casing is immediately placed, the steel casing generates offset in the placing process, monitoring personnel observe and measure the distance between a plumb laser line emitted by the laser level meter and a steel casing collimation line on the steel casing, the monitoring personnel feed monitoring data back to the computer terminal, and the computer terminal receives information and processes the received information and then controls the four hydraulic jacks to perform telescopic displacement, so that the verticality of the steel casing is adjusted.
For example, when a steel casing deviates to the right, a steel casing alignment line deviates to the right relative to a plumb laser line emitted by a laser level, at the moment, a detection person inputs deviation data into a computer terminal, the computer terminal controls a hydraulic jack to correct the deviation, the hydraulic jack on the right side extends out of a piston rod to the left side, the hydraulic jack on the left side retracts back to the piston rod to the left side, the effect of correcting the deviation of the steel casing is achieved, the deviation correcting process is repeated until the construction is completed, the construction does not need to be stopped in the monitoring and deviation correcting process, and the construction efficiency is improved.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a major diameter pile foundation steel protects a straightness monitoring and correction device that hangs down which characterized in that: the device comprises a steel casing sighting line, steel casings, rigid pulleys, hydraulic jacks, a reaction frame and laser levels, wherein the laser levels are fixed on the ground to emit vertical laser lines; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to equally divide the arc outside the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the steel casing sight line, the plumb line of the laser level meter and the centers of the rigid pulleys on the reaction frame between the steel casing sight line and the plumb line are positioned on the same vertical plane.
2. The major diameter pile foundation steel casing straightness monitoring and correcting device that hangs down of claim 1, its characterized in that: the hydraulic jack is controlled by the controller to stretch.
3. The major diameter pile foundation steel casing straightness monitoring and correcting device that hangs down of claim 2, its characterized in that: the controller is a computer terminal.
4. The major diameter pile foundation steel casing straightness monitoring and correcting device that hangs down of claim 1, its characterized in that: the laser level meter is fixed on the ground outside the steel casing in an embedding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886772.8U CN216515771U (en) | 2021-11-24 | 2021-11-24 | Major diameter pile foundation steel protects a straightness monitoring and corrects device that hangs down |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122886772.8U CN216515771U (en) | 2021-11-24 | 2021-11-24 | Major diameter pile foundation steel protects a straightness monitoring and corrects device that hangs down |
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| CN216515771U true CN216515771U (en) | 2022-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914391A (en) * | 2021-11-24 | 2022-01-11 | 中电建铁路建设投资集团有限公司 | Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914391A (en) * | 2021-11-24 | 2022-01-11 | 中电建铁路建设投资集团有限公司 | Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method |
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