CN109707448B - Auxiliary equipment for installing soil pressure box - Google Patents
Auxiliary equipment for installing soil pressure box Download PDFInfo
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- CN109707448B CN109707448B CN201910127870.8A CN201910127870A CN109707448B CN 109707448 B CN109707448 B CN 109707448B CN 201910127870 A CN201910127870 A CN 201910127870A CN 109707448 B CN109707448 B CN 109707448B
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- pressure box
- soil pressure
- balance base
- balance
- auxiliary device
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- 239000002689 soil Substances 0.000 title claims abstract description 64
- 239000007788 liquid Substances 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 14
- 238000012360 testing method Methods 0.000 abstract description 13
- 239000004567 concrete Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 239000011378 shotcrete Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of auxiliary installation of tunnel monitoring equipment, and particularly relates to auxiliary equipment for installing a soil pressure box. According to the invention, through the organic arrangement of the balance base, the storage groove, the fixing piece and the balance piece, the problem of inaccurate test results caused by adhesion of the soil pressure box when the concrete is sprayed in tunnel construction is avoided. According to the invention, the soil pressure box can be fixedly installed at various positions where the traditional soil pressure box is difficult to install, and the soil pressure box can be conveniently and reliably fixed on the surfaces of a soil tunnel, a rock tunnel and sprayed concrete, and accurate measurement can be carried out to obtain real test data in the field.
Description
Technical Field
The invention belongs to the technical field of auxiliary installation of tunnel monitoring equipment, and particularly relates to auxiliary equipment for installing a soil pressure box.
Background
At present, a soil pressure box for monitoring surrounding rock pressure is fixed in a national standard embedded sand pit mode. Practice shows that the installation and installation effect is poor often due to site limitation or when the pressure of the dome surrounding rock is required to be reversely installed in a tunnel or when the pressure of the dome surrounding rock is required to be tested. Meanwhile, due to the injection of concrete, the soil pressure box is easy to adhere, and the test result is inaccurate. Meanwhile, because the soil pressure box has high rigidity, stress concentration is easy to cause, and the measured value is larger.
Disclosure of Invention
The invention provides auxiliary equipment for installing a soil pressure box, one of the purposes is to provide auxiliary equipment for conveniently installing the soil pressure box in an environment which is not easy to install, and the other purpose is to provide auxiliary equipment for installing the soil pressure box, which is applicable to soil tunnels, rock tunnels and sprayed concrete surfaces and has high test precision.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an auxiliary device for installing a soil pressure box, comprising:
a balance base, a balance base and a balance base,
The storage groove is arranged in the center of the upper surface of the balance base and is used for bearing the soil pressure box;
the fixing piece is connected to the edge of the balance base.
The balance base is a rubber bag with an isosceles trapezoid cross section and a hollow cavity, and the upper bottom edge length of the trapezoid is longer than the lower bottom edge length.
The hollow cavity of the balance base is internally connected with a balance piece, and the hollow cavity is positioned right above the lower bottom surface.
The balance piece is liquid.
The liquid is hydraulic oil.
The edge of the balance base is perpendicular to the surface of the balance base, and a plurality of through holes for fixing the fixing piece are formed in the edge of the balance base.
The fixing piece is a shooting nail.
The nail shooting is electromagnetic nail shooting.
The depth of the storage groove is smaller than the height of the soil pressure box by 1-3cm.
The balance base is a hollow rubber capsule with a rectangular upper surface and an isosceles trapezoid cross section, and the upper bottom edge length of the trapezoid is longer than the lower bottom edge length; the hollow cavity of the balance base is filled with hydraulic oil; the solid part of the edge of the balance base is provided with a plurality of through holes perpendicular to the surface of the balance base, and the through holes are used for fixing electromagnetic shooting nails of the fixing piece; the depth of the storage groove of the balance base is smaller than the height of the soil pressure box by 1-3cm; the area ratio of the storage groove to the balance base is 1:3-7.
The beneficial effects are that:
according to the invention, through the organic arrangement of the balance base, the storage groove, the fixing piece and the balance piece, the problem of inaccurate test results caused by adhesion of the soil pressure box when the concrete is sprayed in tunnel construction is avoided. According to the invention, the soil pressure box can be fixedly installed at various positions where the traditional soil pressure box is difficult to install, and the soil pressure box can be conveniently and reliably fixed on the surfaces of a soil tunnel, a rock tunnel and sprayed concrete, and accurate measurement can be carried out to obtain real test data in the field.
The foregoing description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a side view of the present invention.
In the figure, 1-balancing the base; 2-a storage groove; 3-fixing parts; 4-balance piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
An auxiliary device for installing a soil pressure box according to fig. 1-2, comprising:
the base 1 is balanced so that,
The storage groove 2 is arranged in the center of the upper surface of the balance base 1 and is used for bearing a soil pressure box;
And the fixing piece 3 is connected with the edge of the balance base 1.
In actual use, the soil pressure box is placed in the storage groove 2, and the soil pressure box is fixed on surrounding rock to be tested through the fixing piece 3 for testing.
According to the technical scheme, the soil pressure box is conveniently fixed on surrounding rock; the use of the balance base 1 avoids the adhesion caused by the soil pressure box when the tunnel construction is used for spraying concrete, and the inaccurate test result is caused.
Embodiment two:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the balance base 1 is a rubber bag with an isosceles trapezoid cross section and a hollow cavity, and the upper bottom edge length of the trapezoid is longer than the lower bottom edge length.
When in actual use, the technical scheme of the balance base 1 solves the problems that the rigidity of the soil pressure box is high, stress concentration is easy to cause and the measured value is large, and the soil pressure box is conveniently fixed in different construction environments, so that the measured data of the soil pressure box is more similar to the actual working condition. The cross section of the balance base 1 is isosceles trapezoid, so that the thickness of the bottom surface of the invention is slowly reduced from the middle area to the edge area, and the gentle transition of the stress is better realized in practical application, so that the test result is more accurate. The balance base 1 of the embodiment is made of rubber, and has good puncture resistance and relatively low cost by utilizing the characteristics of certain hardness and flexibility. Other flexible materials, such as engineering plastics, may be used in practice, but the materials used must have some flexibility and puncture resistance.
Embodiment III:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the hollow cavity of the balance base 1 is internally connected with a balance piece 4, and the hollow cavity is positioned right above the lower bottom surface.
When in actual use, the balance piece 4 connected in the hollow cavity can effectively adjust the state of the soil pressure box, so that the data measured by the soil pressure box is more similar to the actual working condition.
Embodiment four:
an auxiliary device for installing a soil pressure box according to the one shown in fig. 2 is different from the third embodiment in that: the balance piece 4 is liquid.
When in actual use, the liquid is filled in the hollow cavity of the balance base 1 to be integrally formed at one time, and the liquid fills the whole hollow cavity. The technical scheme is adopted to realize the adjusting function, so that the device is convenient and good in effect, and the cost of the device is reduced.
Fifth embodiment:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 2 is different from the fourth embodiment in that: the liquid is hydraulic oil.
In actual use, the liquid adopts the technical scheme of hydraulic oil, thereby effectively avoiding the problems that the liquid is frozen and solidified when the test is carried out in a low-temperature environment, and the use of the invention is affected
Example six:
an auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the edge of the balance base 1 is perpendicular to the surface of the balance base 1, and a plurality of through holes for fixing the fixing piece 3 are formed in the edge of the balance base.
In actual use, the fixing piece can be directly fixed on the surrounding rock to be tested through the through holes at the edge of the balance base 1, so that the installation of the invention is more convenient.
Embodiment seven:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the fixing piece 3 is a nail.
Preferably, the nail is an electromagnetic nail.
When in actual use, the fixing piece 3 adopts a shooting nail, so that the invention can be rapidly and tightly fixed on surrounding rock, and meanwhile, the soil pressure box can be protected from being adhered by lining results. The electromagnetic shooting nail is adopted for shooting nails, so that the invention is safer when being fixed. When the invention is actually fixed, the length of the used shooting nail or electromagnetic shooting nail is determined according to the ground condition environment, the length of the shooting nail used for the soil surrounding rock is generally larger than 15cm, and the length of the shooting nail for the rock surrounding rock is 5cm.
Example eight:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the depth of the storage groove 2 is smaller than the height of the soil pressure box by 1 cm to 3cm.
When in actual use, the adoption of the technical scheme ensures that the test structure of the soil pressure box is more accurate.
Example nine:
An auxiliary device for installing a soil pressure box according to the one shown in fig. 1-2 is different from the embodiment in that: the balance base 1 is a hollow rubber capsule with a rectangular upper surface and an isosceles trapezoid cross section, and the upper bottom edge length of the trapezoid is longer than the lower bottom edge length; the hollow cavity of the balance base 1 is filled with hydraulic oil; the solid part of the edge of the balance base 1 is provided with a plurality of through holes which are perpendicular to the surface of the balance base 1 and are used for fixing the electromagnetic shooting nails of the fixing piece 3; the depth of the storage groove 2 of the balance base 1 is smaller than the height of the soil pressure box by 1-3cm; the area ratio of the storage tank 2 to the balance base 1 is 1:3-7.
According to the technical scheme, the problem that the soil pressure box is adhered when the concrete is sprayed in tunnel construction, so that the test result is inaccurate is avoided. According to the invention, the soil pressure box can be fixedly installed at various positions where the traditional soil pressure box is difficult to install, and the soil pressure box can be conveniently and reliably fixed on the surfaces of a soil tunnel, a rock tunnel and sprayed concrete, and accurate measurement can be carried out to obtain real test data in the field.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Under the condition of no conflict, the technical features related to the examples can be combined with each other according to actual situations by a person skilled in the art so as to achieve corresponding technical effects, and specific details of the combination situations are not described in detail herein.
While the invention is susceptible of embodiments in accordance with the preferred embodiments, the invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. An auxiliary device for installing a soil pressure box, comprising:
A balance base (1),
The storage groove (2) is arranged in the center of the upper surface of the balance base (1) and is used for bearing the soil pressure box;
The fixing piece (3) is connected to the edge of the balance base (1);
The balance base (1) is a rubber bag with an isosceles trapezoid cross section and a hollow cavity, and the upper bottom edge of the trapezoid is longer than the lower bottom edge;
a balancing piece (4) is connected in the hollow cavity of the balancing base (1), and the hollow cavity is positioned right above the lower bottom surface;
The edge of the balance base (1) is perpendicular to the surface of the balance base (1) and is provided with a plurality of through holes for fixing the fixing piece (3).
2. An auxiliary device for mounting a soil pressure box as claimed in claim 1, wherein: the balance piece (4) is liquid.
3. An auxiliary device for mounting a soil pressure box as claimed in claim 2, characterized in that: the liquid is hydraulic oil.
4. An auxiliary device for mounting a soil pressure box as claimed in claim 1, wherein: the fixing piece (3) is a shooting nail.
5. An auxiliary device for mounting a soil pressure box as claimed in claim 4, wherein: the nail shooting is electromagnetic nail shooting.
6. An auxiliary device for mounting a soil pressure box as claimed in claim 1, wherein: the depth of the storage groove (2) is smaller than the height of the soil pressure box by 1 cm to 3cm.
7. An auxiliary device for mounting a soil pressure box as claimed in claim 1, wherein: the solid part of the edge of the balance base (1) is vertical to the surface of the balance base (1) and is provided with a plurality of through holes for fixing the fixing piece (3); the depth of the storage groove (2) is smaller than the height of the soil pressure box by 1-3cm; the area ratio of the storage groove (2) to the balance base (1) is 1:3-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127870.8A CN109707448B (en) | 2019-02-20 | 2019-02-20 | Auxiliary equipment for installing soil pressure box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127870.8A CN109707448B (en) | 2019-02-20 | 2019-02-20 | Auxiliary equipment for installing soil pressure box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109707448A CN109707448A (en) | 2019-05-03 |
| CN109707448B true CN109707448B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910127870.8A Active CN109707448B (en) | 2019-02-20 | 2019-02-20 | Auxiliary equipment for installing soil pressure box |
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| CN209372553U (en) * | 2018-12-20 | 2019-09-10 | 长安大学 | A kind of auxiliary embedded device of Tunnel Surrounding Rock Pressure box |
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2019
- 2019-02-20 CN CN201910127870.8A patent/CN109707448B/en active Active
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|---|---|---|---|---|
| DE102004021059A1 (en) * | 2004-04-29 | 2005-11-24 | Porzig, Ralf, Dipl.-Ing. | Protecting artificially produced cavities in rock involves filling cavities with compressible material and pressing in bores leading to cavities with cement suspension or compressible material |
| CN203249720U (en) * | 2013-05-06 | 2013-10-23 | 长安大学 | Three direction soil pressure box capable of measuring current soil layer depth |
| CN203822380U (en) * | 2014-03-28 | 2014-09-10 | 安徽恒源煤电股份有限公司 | Early warning device for mines |
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| CN204690723U (en) * | 2015-03-23 | 2015-10-07 | 山西省交通科学研究院 | A kind of earth pressure cell side direction fastening devices |
| CN204728297U (en) * | 2015-05-15 | 2015-10-28 | 浙江大学城市学院 | Earth pressure cell device is buried in boring underground |
| CN204855242U (en) * | 2015-06-16 | 2015-12-09 | 兰州交通大学 | Bury fixing device of soil pressure cell underground |
| CN106370335A (en) * | 2016-10-21 | 2017-02-01 | 洛阳理工学院 | Pressure box fixing device for measuring surrounding rock-lining contact pressure of rock |
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| CN107144377A (en) * | 2017-05-19 | 2017-09-08 | 中南大学 | A kind of soil pressure testing device |
| CN207567743U (en) * | 2017-11-22 | 2018-07-03 | 西安科技大学 | A kind of soil pressure cell fixing device |
| CN108151920A (en) * | 2017-12-29 | 2018-06-12 | 山东大学 | A kind of pressure cell fixing device and construction method for being used to measure Tunnel Surrounding Rock Pressure |
| CN108487217A (en) * | 2018-02-11 | 2018-09-04 | 成都众邦凯测科技有限公司 | A kind of vibrating-wire pressure cell fixing device |
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| Publication number | Publication date |
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| CN109707448A (en) | 2019-05-03 |
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