CN212104231U - Sedimentation early warning device for cast-in-situ structure supporting system - Google Patents
Sedimentation early warning device for cast-in-situ structure supporting system Download PDFInfo
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- CN212104231U CN212104231U CN202020411527.4U CN202020411527U CN212104231U CN 212104231 U CN212104231 U CN 212104231U CN 202020411527 U CN202020411527 U CN 202020411527U CN 212104231 U CN212104231 U CN 212104231U
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Abstract
The utility model discloses cast-in-place structure support system is with subsiding early warning device belongs to settlement monitoring tool field to solve the problem of surveing time and energy. Comprises a bracket, an upper induction sheet, a lower induction sheet, an alarm and a vertically arranged sedimentation transfer mechanism; the upper induction sheet and the lower induction sheet are positioned in the same vertical direction, and the upper induction sheet is positioned above the lower induction sheet; the upper induction sheet is fixed at the bottom end of the sedimentation transfer mechanism; the lower induction sheet is arranged on the bracket; the alarm is connected in series with the upper induction sheet and the lower induction sheet through electric wires. The utility model is put into operation in the construction process of the cast-in-place beam, once the settlement reaches the designed deflection, the settlement is fed back to the site at the first time, and the safety of site constructors is effectively reduced; the measurement is accurate, and measurement deviation is not caused by the measurement times or the professional skills of a measured person; special personnel do not need to enter the bracket for observation, so that the labor and the observation time are saved, and the observation risk is avoided; and the structure is simple, the manufacture is easy, and the manufacture cost is low.
Description
Technical Field
The utility model belongs to subside monitoring instrument field, specific cast-in-place structure support system is with subsiding early warning device.
Background
Along with the continuous construction of infrastructure in China, the cast-in-place continuous box girder technology is more and more widely applied to municipal bridge and highway bridge engineering, and when a steel pipe pile combined support is adopted for construction for complex construction terrain, in order to ensure the construction quality of engineering and ensure that the construction period is smoothly carried out according to an expected target, the settlement observation must be carried out on the bridge and a support body so as to fully know the settlement value, the settlement change trend and the stability of the bridge. But the observation of current surveyor's level needs a lot of and because the operation reason causes the measured data to deviate, and survey personnel often get into the inside observation of sectional shelf, have cross operation from top to bottom, and the potential safety hazard is great.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cast-in-place structure support system is with subsiding early warning device solves the problem of surveing time and energy.
The utility model adopts the technical proposal that: the settlement early warning device for the cast-in-place structural support system comprises a bracket, an upper induction sheet, a lower induction sheet, an alarm and a vertically arranged settlement transfer mechanism; the upper induction sheet and the lower induction sheet are positioned in the same vertical direction, the upper induction sheet is positioned above the lower induction sheet, and the vertical distance between the upper induction sheet and the lower induction sheet is equal to the pre-camber; the upper induction sheet is fixed at the bottom end of the sedimentation transfer mechanism; the lower induction sheet is arranged on the bracket; the alarm is connected with the upper induction sheet and the lower induction sheet in series through electric wires.
Further, the settlement transfer mechanism comprises a steel wire and a plumb bob which are arranged at the settlement observation point of the combined supporting system, and the plumb bob is suspended at the bottom end of the steel wire.
Further, the support comprises a concrete foundation and a stainless steel pipe, and the stainless steel pipe is vertically embedded in the concrete foundation.
Furthermore, the lower induction sheet is movably connected to the stainless steel tube along the axial direction of the stainless steel tube.
The lower induction sheet is fixedly connected to the pipe sleeve, the pipe sleeve is sleeved on the stainless steel pipe and movably matched with the stainless steel pipe along the axial direction of the stainless steel pipe, and a locking structure is arranged between the stainless steel pipe and the pipe sleeve.
Furthermore, scales are arranged on the outer wall of the stainless steel pipe.
Furthermore, a graduated scale is fixedly connected to the outer wall of the stainless steel pipe, and the scales on the outer wall of the stainless steel pipe are the scales of the graduated scale.
Furthermore, the cross section of the pipe sleeve is in a C shape with an opening, the opening penetrates through the pipe wall from the center of the pipe sleeve to the outside along the radial direction of the pipe sleeve, extends from one end of the pipe sleeve to the other end along the axial direction of the pipe sleeve, and is arranged along the circumferential direction of the stainless steel pipe, and the graduated scale is arranged in the opening of the pipe sleeve.
The utility model has the advantages that: the utility model discloses a settlement early warning device for a cast-in-place structural support system, which is put into operation in the cast-in-place beam construction process all the time, once settlement reaches the designed deflection, the settlement can be fed back to the site at the first time, and the safety of site constructors is effectively reduced;
the measurement is accurate, and measurement deviation is not caused by the measurement times or the professional skills of a measured person;
special personnel do not need to enter the bracket for observation, so that the labor and the observation time are saved, and the observation risk is avoided;
and the structure is simple, the manufacture is easy, and the manufacture cost is low.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view a-a of fig. 1.
In the figure, a steel wire 1, a plumb 2, an upper induction sheet 3, a lower induction sheet 4, an alarm 5, a stainless steel pipe 6, a pipe sleeve 7, an opening 71, a graduated scale 8 and a concrete foundation 9.
Detailed Description
The invention is further described below with reference to the following figures and examples:
the settlement early warning device for the cast-in-place structure supporting system comprises a bracket, an upper induction sheet 3, a lower induction sheet 4, an alarm 5 and a vertically arranged settlement transfer mechanism, wherein the bracket is arranged on the upper induction sheet 3; the upper induction sheet 3 and the lower induction sheet 4 are positioned in the same vertical direction, the upper induction sheet 3 is positioned above the lower induction sheet 4, and the vertical distance between the upper induction sheet 3 and the lower induction sheet 4 is equal to the pre-camber; the upper induction sheet 3 is fixed at the bottom end of the sedimentation transfer mechanism; the lower induction sheet 4 is arranged on the bracket; the alarm 5 is connected with the upper induction sheet 3 and the lower induction sheet 4 in series through electric wires.
The utility model discloses a cast-in-place structure is settlement early warning device for support system, through will subsiding transfer mechanism and installing in cast-in-place beam brace settlement observation point, when carrying out concrete placement, if cast-in-place beam brace appears warping or other unstability phenomena and takes place to subside, subside transfer mechanism and follow the removal, and drive and go up response piece 3 and produce decurrent displacement, if subside and exceed the design value, it can take place to contact with lower response piece 4 to go up response piece 3, thereby start alarm 5, play the warning effect for construction operation personnel, construction operation personnel can withdraw in time, avoid dangerous the emergence, and examine and handle the support.
The settlement early warning device for the cast-in-place structural support system is put into operation all the time in the cast-in-place beam construction process, once settlement reaches the designed deflection, the settlement early warning device can be fed back to the site at the first time, and the safety of site construction personnel is effectively reduced; compared with the traditional settlement observation, the settlement observation device does not need special personnel to enter the support for observation, so that the labor is saved, and the observation risk is avoided.
The ascending and descending transmission mechanism may be a steel bar or the like, but the steel bar or the like is not favorable for connection with the cast-in-place beam support descending observation point, and in order to avoid the above problem, preferably, the descending and descending transmission mechanism includes a steel wire 1 and a plumb bob 2 which are arranged at the combined support system descending observation point, and the plumb bob 2 is suspended at the bottom end of the steel wire 1. The utility model discloses a 1 diameter of steel wire line be more than or equal to 0.45 millimeter, and the quality of plummet 2 is more than or equal to 600 grams, does not receive the windage influence.
In order to prevent the uneven settlement of the foundation from affecting the monitoring accuracy, it is preferable that the support includes a concrete foundation 9 and a stainless steel pipe 6, and the stainless steel pipe 6 is vertically pre-buried in the concrete foundation 9. The concrete foundation 9 plays a role in supporting the stainless steel pipe 6, and the position of the stainless steel pipe 6 is prevented from moving due to uneven settlement of the foundation.
In order to adjust the vertical distance between the upper sensing piece 3 and the lower sensing piece 4 according to actual needs, preferably, the lower sensing piece 4 is movably connected to the stainless steel tube 6 along the axial direction of the stainless steel tube 6.
The movable connection can be realized by a mode of arranging a sliding rail sliding groove between the stainless steel tube 6 and the lower induction sheet 4, but the structure is complex and the manufacture is not easy. Preferably, the device comprises a pipe sleeve 7, the lower induction sheet 4 is fixedly connected to the pipe sleeve 7, the pipe sleeve 7 is sleeved on the stainless steel pipe 6 and movably matched with the stainless steel pipe 6 along the axial direction of the stainless steel pipe 6, and a locking structure is arranged between the stainless steel pipe 6 and the pipe sleeve 7. The locking structure adopts the existing locking structures such as locking screws, and the like, and aims to lock the relative position of the pipe sleeve 7 and the stainless steel pipe 6 after the lower induction sheet 4 moves in place, so that the lower induction sheet 4 is prevented from moving in the use process.
During the use, go up the vertical interval between response piece 3 and the lower response piece 4 and can measure through solitary measuring tool, in order to do benefit to operating personnel operation, it is preferred, be provided with the scale at stainless steel 6's outer wall. Through the scale on the 6 outer walls of stainless steel pipe, more make things convenient for the vertical interval of operating personnel between response piece 3 and the response piece 4 down in adjusting, reduced the regulation process, shorten adjust time, one operating personnel can accomplish whole regulation work.
The scale can directly mark on stainless steel pipe 6, and is optimum, at 6 outer wall fixedly connected with scale 8 of stainless steel pipe, the scale on the outer wall of stainless steel pipe 6 is the scale of scale 8. The ready-made graduated scale 8 is arranged on the outer wall of the stainless steel pipe 6, so that the manufacturing period is shorter.
In order to avoid the cover 7 from blocking the scale, it is preferable that the cover 7 has a cross-section in a C-shape with an opening 71, as shown in fig. 2, the opening 71 penetrates the pipe wall from the center to the outside of the cover 7 in the radial direction of the cover 7, and extends from one end to the other end of the cover 7 in the axial direction of the cover 7, and the scale 8 is located in the opening 71 of the cover 7 in the circumferential direction of the stainless steel pipe 6.
Through the arrangement of the opening 71, the graduated scale 8 is exposed out of the pipe sleeve 7, the pipe sleeve 7 does not shield the scales, and reading accuracy is improved. The graduated scale 8 is exposed out of the pipe sleeve 7, so that the risk of scale abrasion caused by the pipe sleeve 7 in the up-and-down moving process is avoided.
When the method is specifically implemented, firstly, a steel wire 1 with the thickness of 0.5mm is adopted at a settlement observation point of a combined support system such as a combined support and the like to hang a plumb bob 2, and the distance from the ground is 500 mm; then, foundation treatment is well carried out on the ground in the center of the plumb bob 2 to prevent uneven settlement, and a concrete foundation 9 with the size of 200mm multiplied by 200mmC15 is made; embedding a phi 28 stainless steel pipe 6 in the concrete foundation 9, ensuring that the stainless steel pipe 6 and the plumb bob 2 are on the same vertical line, and sticking a 1000mm steel ruler on the stainless steel pipe 6 by using glue; then, a phi 34 stainless steel pipe sleeve 7 which is 5cm long is sleeved on the phi 28 stainless steel pipe 6, a bolt is arranged on the phi 34 stainless steel pipe sleeve 7 to fix the phi 34 stainless steel pipe to slide up and down, and a lower induction sheet 4 is welded on the phi 34 stainless steel pipe sleeve 7; then, adhering an upper induction sheet 3 on the conical point of the plumb bob 2 by using glue, and connecting an alarm 5 with the upper induction sheet 3 and a lower induction sheet 4 in series by adopting an electric wire; and finally, carrying out graded loading according to a prepressing scheme, reading numbers after each grade of loading, determining the pre-camber, setting a moving phi 34 stainless steel pipe sleeve 7, moving the lower induction sheet 4 to a determined pre-camber scale value, and fixing the stainless steel pipe sleeve 7.
Claims (8)
1. Cast-in-place structure support system is with subsiding early warning device, its characterized in that: comprises a bracket, an upper induction sheet (3), a lower induction sheet (4), an alarm (5) and a vertically arranged sedimentation transfer mechanism; the upper induction sheet (3) and the lower induction sheet (4) are positioned in the same vertical direction, the upper induction sheet (3) is positioned above the lower induction sheet (4), and the vertical distance between the upper induction sheet (3) and the lower induction sheet (4) is equal to a pre-arching value; the upper induction sheet (3) is fixed at the bottom end of the settlement transfer mechanism; the lower induction sheet (4) is arranged on the bracket; the alarm (5) is connected in series with the upper induction sheet (3) and the lower induction sheet (4) through electric wires.
2. The settlement early warning device for a cast-in-place structural support system of claim 1, wherein: the settlement transfer mechanism comprises a steel wire (1) and a plumb bob (2) which are arranged at a settlement observation point of the combined supporting system, and the plumb bob (2) is suspended at the bottom end of the steel wire (1).
3. A settlement early warning device for a cast-in-place structural support system as claimed in claim 1 or 2, wherein: the support comprises a concrete foundation (9) and a stainless steel pipe (6), wherein the stainless steel pipe (6) is vertically embedded in the concrete foundation (9).
4. The settlement early warning device for a cast-in-place structural support system of claim 3, wherein: the lower induction sheet (4) is axially and movably connected to the stainless steel tube (6) along the stainless steel tube (6).
5. The settlement early warning device for a cast-in-place structural support system of claim 4, wherein: the induction heating device is characterized by further comprising a pipe sleeve (7), the lower induction sheet (4) is fixedly connected to the pipe sleeve (7), the pipe sleeve (7) is sleeved on the stainless steel pipe (6) and movably matched with the stainless steel pipe (6) along the axial direction of the stainless steel pipe (6), and a locking structure is arranged between the stainless steel pipe (6) and the pipe sleeve (7).
6. The settlement early warning device for a cast-in-place structural support system of claim 5, wherein: scales are arranged on the outer wall of the stainless steel pipe (6).
7. The settlement early warning device for a cast-in-place structural support system of claim 6, wherein: the outer wall of the stainless steel pipe (6) is fixedly connected with a graduated scale (8), and the graduation on the outer wall of the stainless steel pipe (6) is the graduation of the graduated scale (8).
8. The settlement early warning device for a cast-in-place structural support system of claim 7, wherein: the cross section of the pipe sleeve (7) is in a C shape with an opening (71), the opening (71) penetrates through the pipe wall from the center to the outer bone of the pipe sleeve (7) along the radial direction of the pipe sleeve (7), extends from one end of the pipe sleeve (7) to the other end along the axial direction of the pipe sleeve (7) and is arranged along the circumferential direction of the stainless steel pipe (6), and the graduated scale (8) is arranged in the opening (71) of the pipe sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411527.4U CN212104231U (en) | 2020-03-26 | 2020-03-26 | Sedimentation early warning device for cast-in-situ structure supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411527.4U CN212104231U (en) | 2020-03-26 | 2020-03-26 | Sedimentation early warning device for cast-in-situ structure supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212104231U true CN212104231U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411527.4U Active CN212104231U (en) | 2020-03-26 | 2020-03-26 | Sedimentation early warning device for cast-in-situ structure supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212104231U (en) |
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2020
- 2020-03-26 CN CN202020411527.4U patent/CN212104231U/en active Active
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