CN214467677U - Portable soil pressure cell installation fixing device - Google Patents
Portable soil pressure cell installation fixing device Download PDFInfo
- Publication number
- CN214467677U CN214467677U CN202023248696.XU CN202023248696U CN214467677U CN 214467677 U CN214467677 U CN 214467677U CN 202023248696 U CN202023248696 U CN 202023248696U CN 214467677 U CN214467677 U CN 214467677U
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- China
- Prior art keywords
- pressure cell
- barrel
- earth pressure
- soil pressure
- cell mounting
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- Expired - Fee Related
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- 239000002689 soil Substances 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 title description 14
- 239000011435 rock Substances 0.000 claims description 27
- 210000000078 claw Anatomy 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a portable soil pressure cell mounting and fixing device, which comprises a grooving barrel, wherein the grooving barrel comprises a barrel-shaped structure, one end of the barrel-shaped structure is sequentially and fixedly provided with a plurality of supporting arms along the circumferential direction, slotted holes are reserved on the inner sides of the supporting arms, the slotted holes are axially arranged along the barrel-shaped structure, and the slotted holes extend to the inner side wall of the barrel-shaped structure; the leveling box is arranged in the grooving barrel, the outer side of the leveling box is provided with a protrusion, the protrusion is embedded into the groove hole, and the protrusion can slide in the groove hole.
Description
Technical Field
The utility model belongs to the technical field of the tunnel engineering control is measurationed, concretely relates to portable soil pressure cell installation fixing device.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
In tunnel engineering, due to complex engineering geological conditions, the engineering geological conditions are greatly influenced by fault fracture zones, underground water, surrounding rock categories and the like, and the requirement on surrounding rock deformation control is extremely high. In construction, instruments such as a soil pressure cell, a steel bar meter and a strain gauge are generally adopted to measure parameters such as stress strain of tunnel surrounding rock so as to evaluate the deformation tendency, degree and stability of the tunnel surrounding rock.
The measurement of the soil pressure is an important monitoring and measuring item, and the structural stress condition is analyzed through on-site measurement of the soil pressure data to serve for tunnel construction, so that the safety of the tunnel construction is ensured, and scientific research data is obtained. At present, the soil pressure cell is almost all the cylinder, and the inventor discovers that the soil pressure cell is installed difficultly in actual engineering, and the laminating effect is relatively poor between the contact surface of soil pressure cell stress surface and country rock for soil pressure measurement data has great error, lacks the accuracy that had both guaranteed monitoring data, simple manufacture simultaneously again, the convenient soil pressure cell installation fixing device of construction.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a portable soil pressure cell installation fixing device, the device simple structure, simple to operate is swift, and the contact surface laminating is good, records that data is true reliable.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, an embodiment of the present invention provides a portable soil pressure cell mounting and fixing device, which includes a grooved drum, wherein the grooved drum includes a cylindrical structure, one end of the cylindrical structure is sequentially and fixedly provided with a plurality of supporting arms along a circumferential direction, slotted holes are reserved inside the supporting arms, the slotted holes are axially arranged along the cylindrical structure, and the slotted holes extend to an inner side wall of the cylindrical structure; the leveling box is arranged in the grooving barrel, the outer side of the leveling box is provided with a protrusion, the protrusion is embedded into the groove hole, and the protrusion can slide in the groove hole.
As a further technical scheme, a plurality of support arms are arranged at intervals and uniformly, and gaps are reserved between the adjacent support arms.
As a further technical scheme, the end part of the supporting arm is arranged to be in a spike shape.
As a further technical scheme, the side part of the supporting arm is fixedly provided with a claw hook, and the end part of the claw hook is arranged into a sharp thorn shape.
As a further technical scheme, the supporting arms are of plate-shaped structures and are distributed along the axial direction of the cylindrical structure.
As a further technical scheme, the inner side of the supporting arm is flush with the inner wall of the cylindrical structure; the supporting arm and the cylindrical structure are of an integrated structure.
As a further technical scheme, the leveling box is in a dish shape, one end of the leveling box is provided with a plane for leveling a rock surface, and the other end of the leveling box is provided with an opening for placing the soil pressure box.
As a further technical scheme, the inner diameter of the leveling box is more than or equal to the outer diameter of the soil pressure box.
As a further technical scheme, the inner diameter of the grooving barrel is equal to the outer diameter of the leveling box.
As a further technical scheme, a first guide hole is reserved on the side of the cylindrical structure, a second guide hole is reserved on the side of the leveling box, the first guide hole corresponds to the second guide hole in position, and when the leveling box moves to the cylindrical structure, the first guide hole is overlapped with the second guide hole.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
the utility model discloses a device, the support arm of a grooving section of thick bamboo can carry out the grooving operation, and the grooving back of fetching earth, the flattening box that holds the soil pressure cell slides can to the slotted hole in, can realize the installation of soil pressure cell to the characteristics of soil property tunnel country rock weak convenient and fast ground, has simple manufacture, easy dismounting, and protection soil pressure cell improves measurement accuracy's advantage.
The utility model discloses a device, grooving section of thick bamboo internal diameter equals flattening box external diameter, forms the slotted hole that can go into soil pressure cell card on the cliff, is favorable to the installation and the fixing of soil pressure cell.
The utility model discloses a device, the contact surface flattening of flattening box with pressure cell and country rock guarantees that soil pressure cell and country rock contact are good, can guarantee that the accuracy of data is effective.
The utility model discloses a device, flattening box internal diameter equals the diameter of soil pressure cell, and the inner chamber highly equals the height of soil pressure cell, ensures that soil pressure cell can not slide.
The utility model discloses a device, the claw hook above the grooving section of thick bamboo can invade the inside certain degree of depth of country rock, guarantees that the soil pressure cell is fixed not take place to slide, drop.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of an installation fixture according to one or more embodiments of the present disclosure;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1 is a grooved drum, 2 is a leveling box, 3 is a claw hook, 4 is a soil pressure box, 5 is a protrusion, 6 is a slotted hole, 7 is a first guide hole, 8 is a second guide hole, and 9 is a supporting arm.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. 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 invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The terms "mounted", "connected", "fixed", etc. in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Just as the background art introduces, exist among the prior art that soil pressure cell buries the not enough of installation difficulty underground, in order to solve above-mentioned technical problem, the utility model provides a portable soil pressure cell installation fixing device can enough guarantee the accuracy of monitoring data, and simple manufacture is convenient again simultaneously in the construction.
The utility model discloses an in the typical embodiment, as shown in fig. 1, provide a portable soil pressure cell installation fixing device, mainly become by the triplex: the device comprises a grooving barrel 1 for forming a slotted hole capable of being embedded into a soil pressure cell at the mounting position of the soil pressure cell on the surrounding rock, a leveling box 2 for leveling the contact surface of the soil pressure cell and the surrounding rock, and a claw hook 3 for fixing the soil pressure cell on the rock wall.
Wherein, grooving section of thick bamboo 1 includes the tubular structure, and tubular structure one end is fixed in proper order along circumference and is set up a plurality of support arms 9, and a plurality of support arms set up at tubular structure tip interval and equipartition, have the space between the adjacent support arm, conveniently carry out the operation of fetching earth.
The supporting arm is a plate-shaped structure and is arranged along the axial direction of the cylindrical structure, namely the supporting arm extends along the axial direction at the end part of the cylindrical structure.
In a preferred embodiment, the inside of the support arm is arranged flush with the inner wall of the tubular structure.
It should be understood that tubular structure is the ring type, and then centripetal side is inboard promptly, and centrifugal side is the outside promptly, based on this basic position, the utility model provides an inside and outside are injectd by the accuracy.
In a further embodiment, the support arm is a unitary structure with the tubular structure.
The utility model provides an integral type structure can be integrated into one piece, also can be the structure that the combination links together, preferably adopts integrated into one piece.
In a further scheme, the end part of the supporting arm is arranged to be in a sharp-pointed shape, so that more time and labor are saved during grooving, and grooving and soil taking operations on surrounding rocks are facilitated.
The flattening box is the ware form, and its one end sets up the plane and is used for flattening rock face, and the other end sets up the opening and is used for settling soil pressure cell, and soil pressure cell's direction is towards the opening direction. In terms of the relative position of the grooved drum, the flat end of the grooved drum is arranged towards the direction of the cylindrical structure, and the open end of the grooved drum is arranged towards the direction of the supporting arm.
In a further scheme, the inner diameter of the grooving barrel is equal to the outer diameter of the leveling box 2, and the grooving barrel can be leveled in an auxiliary mode by means of a hammering leveling box.
The outer side of the leveling box is provided with a protrusion 5, a groove hole 6 is reserved on the inner side of the supporting arm of the grooved drum, the groove hole is axially arranged along the cylindrical structure, and the groove hole extends to the inner side wall of the cylindrical structure; the leveling box is arranged in the grooving barrel, and the protrusion is matched with the groove hole 6 in a clamping way, namely, the protrusion is embedded in the groove hole and can slide along with the protrusion in the groove hole, so that the leveling box 2 can freely slide up and down in the grooving barrel 1.
The inner diameter of the leveling box is more than or equal to the outer diameter of the soil pressure box, so that the soil pressure box can be arranged in the leveling box. The height of the inner cavity of the leveling box is equal to that of the soil pressure box, so that the soil pressure box is prevented from sliding and falling off.
In a further embodiment, the claws are fixedly arranged at the side parts of the supporting arm, the end parts of the claws are arranged in a sharp shape, the length is preferably 10cm, and the length and the number of the claws can be changed according to the field condition.
In the preferred embodiment, the claw hook is fixed on the side wall of the end part of the supporting arm, and the claw hook forms a hook shape on the end part of the supporting arm, so that the claw hook can invade a certain depth inside the surrounding rock when the soil pressure cell is fixed, and the soil pressure cell is ensured not to slide and fall off when being fixed.
In a further embodiment, a first guide hole 7 is reserved on the side of the cylindrical structure of the grooving barrel 1, a second guide hole 8 is reserved on the side of the leveling box, the positions of the first guide hole and the second guide hole correspond, and when the leveling box moves to the cylindrical structure of the grooving barrel, the first guide hole and the second guide hole can be superposed and used for a lead of the soil pressure box to penetrate out to be connected with related equipment.
In the device, the leveling box moves towards the direction close to the cylindrical structure to enable the support arm part of the grooving barrel to be exposed, and the support arm can perform grooving and soil sampling on surrounding rocks; the flattening box can move to keeping away from the tubular structure direction and act as the leveler to carry out the flattening to the country rock bottom with a grooving section of thick bamboo together to guarantee that the contact surface of soil pressure cell and country rock is level and smooth, guarantee experimental effect.
The utility model discloses an installation fixing device can select for use resin material to make, low cost.
The specific using method of the device comprises the following steps:
1) selecting a position for embedding the soil pressure cell, sliding the leveling box towards the direction close to the cylindrical structure to expose the tip part of the grooved drum supporting arm, and chiseling a slotted hole with the depth slightly larger than the thickness of the soil pressure cell on the soil rock wall by using the grooved drum supporting arm at the preset soil pressure cell installation position to take soil;
2) moving the leveling box to the direction far away from the cylindrical structure to enable the plane part of the leveling box to be flush with the grooving barrel, hammering the leveling box to level the contact surface of the soil pressure box and the surrounding rock, and ensuring the leveling of the contact surface of the soil pressure box and the surrounding rock so as to ensure that the test effect of the soil pressure box is good;
3) the soil pressure cell is embedded into the leveling box, and leads of the soil pressure cell penetrate out of the side guide holes of the fixing device towards the opening direction;
4) and fixing the soil pressure box on the rock wall by the mounting and fixing device, confirming that the soil pressure box is tightly attached to the surrounding rock, and pouring concrete so as to obtain the required surrounding rock pressure parameters.
The utility model discloses an installation fixing device has effectively solved the problem at the unable fine fixed soil pressure cell of the easy plastic flow country rock of soil body rigidity relatively poor, receiving the extrusion, has avoided the shotcrete operation to lead to the pressure cell working face to take place the slope and extrude the possibility of soil pressure cell, has improved experimental precision greatly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A portable soil pressure cell mounting and fixing device is characterized by comprising a grooving barrel, wherein the grooving barrel comprises a barrel-shaped structure, one end of the barrel-shaped structure is sequentially and fixedly provided with a plurality of supporting arms along the circumferential direction, slotted holes are reserved in the inner sides of the supporting arms, the slotted holes are axially arranged along the barrel-shaped structure, and the slotted holes extend to the inner side wall of the barrel-shaped structure; the leveling box is arranged in the grooving barrel, the outer side of the leveling box is provided with a protrusion, the protrusion is embedded into the groove hole, and the protrusion can slide in the groove hole.
2. The portable earth pressure cell mounting fixture of claim 1 wherein a plurality of support arms are spaced apart and spaced apart, with a gap between adjacent support arms.
3. The portable earth pressure cell mounting fixture of claim 1 wherein said support arm end is configured as a spike.
4. The portable earth pressure cell mounting fixture as claimed in claim 1, wherein a claw hook is fixedly provided at a side portion of the support arm, and an end portion of the claw hook is formed in a spike shape.
5. The portable earth pressure cell mounting fixture of claim 1 wherein said support arms are plate-like structures and are arranged axially along the tubular structure.
6. The portable earth pressure cell mounting and fixing device as claimed in claim 1 or 5, wherein the inner side of the supporting arm is flush with the inner wall of the cylindrical structure; the supporting arm and the cylindrical structure are of an integrated structure.
7. The portable earth pressure cell mounting fixture as claimed in claim 1, wherein said flattening box is formed in a dish shape having a flat surface for flattening a rock surface at one end thereof and an opening for receiving the earth pressure cell at the other end thereof.
8. The portable earth pressure cell mounting fixture of claim 7, wherein an inner diameter of said screed box is greater than or equal to an outer diameter of the earth pressure cell.
9. The portable earth pressure cell mounting fixture as claimed in claim 1, wherein said grooved cylinder has an inner diameter equal to an outer diameter of said flattening case.
10. The portable earth pressure cell mounting fixture of claim 1, wherein a first guide hole is reserved in a side of said tubular structure, a second guide hole is reserved in a side of said leveling box, the first guide hole and the second guide hole are positioned correspondingly, and when the leveling box is moved to the tubular structure, the first guide hole and the second guide hole are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023248696.XU CN214467677U (en) | 2020-12-28 | 2020-12-28 | Portable soil pressure cell installation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023248696.XU CN214467677U (en) | 2020-12-28 | 2020-12-28 | Portable soil pressure cell installation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214467677U true CN214467677U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023248696.XU Expired - Fee Related CN214467677U (en) | 2020-12-28 | 2020-12-28 | Portable soil pressure cell installation fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN214467677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235034A (en) * | 2021-11-29 | 2022-03-25 | 山东大学 | Tunnel surrounding rock stress and steel arch frame strain integrated measurement auxiliary device and method |
-
2020
- 2020-12-28 CN CN202023248696.XU patent/CN214467677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235034A (en) * | 2021-11-29 | 2022-03-25 | 山东大学 | Tunnel surrounding rock stress and steel arch frame strain integrated measurement auxiliary device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |