CN219977373U - Grouting lifting monitoring device - Google Patents
Grouting lifting monitoring device Download PDFInfo
- Publication number
- CN219977373U CN219977373U CN202321573891.0U CN202321573891U CN219977373U CN 219977373 U CN219977373 U CN 219977373U CN 202321573891 U CN202321573891 U CN 202321573891U CN 219977373 U CN219977373 U CN 219977373U
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- China
- Prior art keywords
- lifting
- monitoring device
- extension section
- grouting
- concrete cover
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 4
- 235000009120 camo Nutrition 0.000 claims description 4
- 235000005607 chanvre indien Nutrition 0.000 claims description 4
- 239000011487 hemp Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a grouting lifting monitoring device, which comprises a concrete cover weight paved on a foundation layer, wherein a lifting observation hole penetrating into the foundation layer is formed in the concrete cover weight, an inner pipe and a protection pipe sleeved outside the inner pipe are inserted in the lifting observation hole, an upper extension section is arranged outside the protection pipe at the upper end of the inner pipe, a magnetic gauge stand is arranged on the upper extension section, mortar and a measuring column are arranged on the upper surface of the concrete cover weight, a displacement transmitter is arranged on the measuring column, the output end of the displacement transmitter is connected to a lifting recorder, and the lower end of the displacement transmitter is connected with the magnetic gauge stand; the bottom of the inner tube extends out of the protective tube and is provided with a lower extension section, and the periphery of the lower extension section is provided with an anchor and a sealing piece positioned at the upper end of the anchor. The monitoring device provided by the utility model has a simple integral structure, is convenient to install and operate, can replace the traditional modes of traditional mechanical dial gauge detection, manual observation recording and the like, effectively reduces the workload of field technicians, and ensures the continuity, accuracy and reliability of original recording.
Description
Technical Field
The utility model relates to the technical field of grouting safety monitoring, in particular to a grouting lifting monitoring device.
Background
In construction engineering, especially hydraulic engineering construction, grouting treatment is generally performed on a building foundation, grout of formation pores or cracks is poured, grouting lifting deformation damage is likely to occur along with the increase of the pouring amount and grouting pressure intensity, and therefore lifting displacement of a poured formation is an important parameter which is required to be detected in various specifications, and the accumulated displacement of the stratum lifting of each grouting section is required to be not more than 2000 mu m.
At present, a lifting deformation monitoring device used in the grouting process mainly comprises an inner tube, a protection tube, a magnetic gauge stand, a mechanical dial indicator and the like; however, the mechanical dial indicator is difficult to read and almost intermittent, error information is easy to give, and the engineering requirement is difficult to effectively meet. Meanwhile, the upper parts of the inner pipe and the protection pipe of the existing monitoring device are not subjected to sealing treatment when penetrating through a concrete layer, so that high-pressure slurry stringing is easy to generate, and the observation precision of the lifting deformation observation device is affected.
Disclosure of Invention
Accordingly, the present utility model is directed to an improved grouting lift monitoring device, which solves the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the grouting lifting monitoring device comprises a concrete cover weight paved on a foundation layer, wherein a lifting observation hole penetrating into the foundation layer is formed in the concrete cover weight, an inner pipe and a protection pipe sleeved outside the inner pipe are inserted in the lifting observation hole, the inner pipe and the protection pipe extend out of the concrete cover weight, the upper end of the inner pipe extends out of the protection pipe, an upper extension section is arranged outside the protection pipe, a magnetic gauge stand is arranged on the upper extension section, mortar and a measuring column are arranged on the upper surface of the concrete cover weight, the mortar surrounds the periphery side of the protection pipe, a displacement transmitter is arranged on the measuring column, the output end of the displacement transmitter is connected to a lifting recorder, and the lower end of the displacement transmitter is connected with the magnetic gauge stand; the bottom of the inner tube extends out of the protective tube to form a lower extension section, and an anchor and a sealing piece positioned at the upper end of the anchor are arranged on the periphery of the lower extension section.
Preferably, the sealing element comprises a rubber column and a round iron plate, the round iron plate and the rubber column are sleeved on the lower extension section, and the round iron plate is located below the rubber column.
Preferably, a buffer member is filled between the inner tube and the protection tube, and the buffer member is one or more of hemp threads, cotton yarns or foam.
Preferably, fine sand is filled between the protection pipe and the lifting observation hole.
Preferably, the vertical height of the magnetic gauge stand and the measuring column is 5-10cm.
Preferably, the distance between the top end of the protection pipe and the concrete cover weight is 5-10cm.
Preferably, the height of the upper extension section is 15-20cm; and the distance between the top end of the upper extension section and the concrete cover weight is not more than 30cm.
The utility model has the beneficial effects that:
the grouting lifting monitoring device provided by the utility model has a simple overall structure, is convenient to install and operate, and can detect lifting, deformation or displacement conditions of a dam or other buildings in real time through the displacement transducer and the lifting recorder; the method can replace the traditional modes of traditional mechanical dial gauge detection, manual observation recording and the like, effectively lighten the workload of field technicians, and simultaneously ensure the continuity, accuracy and reliability of original recording; meanwhile, the concrete cover weight is paved on the foundation layer, mortar surrounding the periphery of the protection pipe is arranged, the slurry blocking and sealing are carried out, high-pressure slurry stringing is avoided, and the measurement accuracy of the monitoring device is further ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals illustrate:
1. a foundation layer; 2. the concrete cover is heavy; 3. lifting the observation hole; 4. a protective tube; 5. an inner tube; 6. an upper extension; 7. a lower extension; 8. a magnetic gauge stand; 9. mortar; 10. a measuring column; 11. a displacement transducer; 12. lifting the recorder; 13. an anchor; 14. a seal; 14a, rubber columns; 14b, a circular iron plate; 15. hemp thread; 16. fine sand.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1, the present embodiment provides a grouting lifting monitoring device, which includes a concrete cover weight 2 laid on a foundation layer 1, wherein the concrete cover weight 2 is a concrete cover plate, grouting is performed on the cover plate, and the concrete cover weight 2 is used for blocking slurry so as to ensure the pressure of grouting underground operation; the concrete cover weight 2 is provided with a lifting observation hole 3 penetrating into the ground layer 1, and an inner pipe 5 and a protection pipe 4 sleeved outside the inner pipe 5 are inserted into the lifting observation hole 3;
in this embodiment, the inner pipe 5 and the protection pipe 4 extend out of the concrete cover 2, an upper extension section 6 is formed by extending the upper end of the inner pipe 5 out of the protection pipe 4, a magnetic gauge stand 8 is installed on the upper extension section 6, mortar 9 and a measuring column 10 are arranged on the upper surface of the concrete cover 2, the mortar 9 surrounds the periphery of the protection pipe 4, a displacement transmitter 11 is installed on the measuring column 10, the installation method of the displacement transmitter 11 is consistent with that of a common mechanical dial indicator, and butter can be smeared between a movable rod and a fixed rod of the displacement transmitter 11 to prevent water, cement slurry and the like from penetrating; the output end of the displacement transmitter 11 is connected to the lifting recorder 12, the lower end of the displacement transmitter 11 is connected with the magnetic gauge stand 8, and a signal wire of the displacement transmitter 11 can be fixed on the magnetic gauge stand 8 to prevent inaccurate measured value caused by line shaking; in some embodiments, may also be fixed to the inner tube 5; the bottom of the inner tube 5 extends out of the protection tube 4 to form a lower extension section 7, and an anchor 13 and a sealing element 14 positioned at the upper end of the anchor 13 are arranged on the periphery side of the lower extension section 7; the anchor 13 is a cement anchor and the lower extension 7 of the inner tube 5 extends partly into the anchor 13.
The grouting lifting monitoring device provided by the embodiment has a simple overall structure, is convenient to install and operate, and can detect lifting, deformation or displacement conditions of a dam or other buildings in real time through the displacement transmitter 11 and the lifting recorder 12; the method can replace the traditional modes of traditional mechanical dial gauge detection, manual observation recording and the like, effectively lighten the workload of field technicians, and simultaneously ensure the continuity, accuracy and reliability of original recording; meanwhile, the concrete cover weight 2 and the mortar 9 surrounding the periphery of the protection pipe 4 are paved on the foundation layer to perform slurry blocking and sealing, so that high-pressure slurry mixing is avoided, and the measurement accuracy of the monitoring device is further ensured.
With continued reference to fig. 1, the sealing member 14 includes a rubber column 14a and a circular iron plate 14b, the circular iron plate 14b and the rubber column 14a are both sleeved on the lower extension section 7, and the circular iron plate 14b is located below the rubber column 14 a; wherein the circular iron plate 14b goes deep into the curtain bottom line.
In the illustrated embodiment, a certain clearance space is formed between the inner side wall of the lifting observation hole 3 and the outer side wall of the protection pipe 4, and fine sand 16 is filled in the clearance space; a gap space is also formed between the outer side wall of the inner tube 5 and the inner side wall of the protection tube 4, and a buffer member 15 is filled in the gap space to prevent inaccurate measurement value caused by vibration; in some embodiments, the cushioning member 15 may be one or more of hemp, cotton, or foam; specifically, the diameter of the lifting observation hole 3 is 76mm, the diameter of the protection tube 4 is 50mm, and the diameter of the inner tube 5 is 25mm; in some other embodiments, the diameters of the lifting observation hole 3, the protection tube 4 and the inner tube 5 can also be adaptively adjusted according to different detection scenes, and the method is not limited herein; the vertical height between the magnetic gauge stand 8 and the measuring column 10 is 5-10cm; the distance between the top end of the protection tube 4 and the concrete cover weight 2 is 5-10cm; the height of the upper extension section 6 is 15-20cm; the distance between the top end of the upper extension section 6 and the concrete cover weight 2 is not more than 30cm; in the above size range, the whole structure is more stable and not easy to deform, and the basic installation size can be ensured.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. The grouting lifting monitoring device is characterized by comprising a concrete cover weight (2) paved on a foundation layer (1), wherein a lifting observation hole (3) penetrating into the foundation layer (1) is formed in the concrete cover weight (2), an inner pipe (5) and a protective pipe (4) sleeved outside the inner pipe (5) are inserted in the lifting observation hole (3), the inner pipe (5) and the protective pipe (4) extend out of the concrete cover weight (2), an upper extension section (6) is formed at the upper end of the inner pipe (5) extending out of the protective pipe (4), a magnetic gauge stand (8) is mounted on the upper extension section (6), mortar (9) and a measuring column (10) are arranged on the upper surface of the concrete cover weight (2), the mortar (9) surrounds the periphery of the protective pipe (4), a displacement transmitter (11) is mounted on the measuring column (10), the output end of the displacement transmitter (11) is connected to a lifting recorder (12), and the lower end of the displacement transmitter (11) is connected with the magnetic gauge stand (8); the bottom of the inner tube (5) extends out of the protective tube (4) to form a lower extension section (7), and an anchor (13) and a sealing element (14) positioned at the upper end of the anchor (13) are arranged on the periphery of the lower extension section (7).
2. The grouting and lifting monitoring device according to claim 1, wherein the sealing element (14) comprises a rubber column (14 a) and a circular iron plate (14 b), the circular iron plate (14 b) and the rubber column (14 a) are sleeved on the lower extension section (7), and the circular iron plate (14 b) is located below the rubber column (14 a).
3. The grouting lifting monitoring device according to claim 1, characterized in that a buffer (15) is filled between the inner tube (5) and the protective tube (4), wherein the buffer (15) is one or more of hemp, cotton or foam.
4. Grouting lift monitoring device according to claim 1, characterized in that fine sand (16) is filled between the protection tube (4) and the lift observation hole (3).
5. Grouting and lifting monitoring device according to claim 1, characterized in that the vertical height of the magnetic gauge stand (8) and the measuring column (10) is 5-10cm.
6. The grouting and lifting monitoring device according to claim 1, wherein the distance between the top end of the protection pipe (4) and the concrete cover weight (2) is 5-10cm.
7. A grouting lift monitoring device according to claim 1, characterised in that the height of the upper extension (6) is 15-20cm; and the distance between the top end of the upper extension section (6) and the concrete cover weight (2) is not more than 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321573891.0U CN219977373U (en) | 2023-06-20 | 2023-06-20 | Grouting lifting monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321573891.0U CN219977373U (en) | 2023-06-20 | 2023-06-20 | Grouting lifting monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977373U true CN219977373U (en) | 2023-11-07 |
Family
ID=88579254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321573891.0U Active CN219977373U (en) | 2023-06-20 | 2023-06-20 | Grouting lifting monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977373U (en) |
-
2023
- 2023-06-20 CN CN202321573891.0U patent/CN219977373U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |