CN212622589U - Experimental simple and easy density testing arrangement that bankets - Google Patents
Experimental simple and easy density testing arrangement that bankets Download PDFInfo
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- CN212622589U CN212622589U CN202021536712.2U CN202021536712U CN212622589U CN 212622589 U CN212622589 U CN 212622589U CN 202021536712 U CN202021536712 U CN 202021536712U CN 212622589 U CN212622589 U CN 212622589U
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Abstract
The utility model discloses an it is experimental with closely knit degree testing arrangement that simply fills out, including pressure device, with pressure device fixed connection's passageway frame and data recording device, pressure device includes the soil pressure cell, fixed mounting is in the box frame in the soil pressure cell outside and fixed mounting in the injection pole of box frame below, the passageway frame include the support and with support fixed connection's straight tube, the injection pole is fixed in the straight tube inboard, the lower extreme of box frame is equipped with connecting portion, connecting portion and injection pole spiro union, the inside cavity of injection pole, the inside dowel that is equipped with of injection pole, the diameter of dowel is less than the diameter of injection pole, the dowel upper end pass the injection pole and with soil pressure cell lower extreme butt, the dowel lower extreme pass the injection pole and with the upper end butt of rubber leather sheath part, data recording device includes the computer, the computer is connected through the data line with the soil pressure cell. The utility model discloses the principle is simple, convenient operation, and the penetration depth is big, and is little to the sample disturbance, and the measuring result is true reliable.
Description
Technical Field
The utility model relates to a civil engineering measures technical field, especially relates to an it is experimental with closely knit degree testing arrangement of simply filling up.
Background
In geotechnical engineering model tests, uniform samples with different compaction degrees are required to be prepared frequently, and the change situation of the compaction degree of a soil body after different loading tests is detected. A soil body compactness detection device (No. CN202175939U) discloses a soil body bearing capacity testing device, and the principle is that a section of reinforcing steel bar falls vertically, the compactness of the point is judged through the depth of inserting the reinforcing steel bar into the soil body, and only the compactness of a certain side of the soil body can be judged. A hand-held soil mass density detection device (application publication No. CN102109438A) discloses a device with a built-in spring, which can calibrate the applied counter force of a soil mass at a certain point through the deformation generated by the spring and the scale of a probe rod. The foundation bearing capacity filling compactness field detector (publication number CN101476314A) judges the depth through the displacement depth scale, and through load sensor and data processing system display pressure, this densimeter is applicable to large tracts of land engineering measurement, mainly detects to the bearing capacity, is not suitable for the indoor model test, and the process of penetrating can cause more obvious disturbance to experimental soil sample.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an experimental closely knit degree testing arrangement that simply fills out, the depth of penetration is big, and is little to the sample disturbance, and the principle is simple, and convenient operation can provide the closely knit degree measuring device of filling out of the closely knit degree of sample and homogeneity of filling out with the evaluation along with the degree of depth distribution condition of tip resistance among the injection process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an experimental closely knit degree testing arrangement that simply fills out, includes pressure device, with pressure device fixed connection's passageway frame and data recording device, pressure device includes soil pressure cell, fixed mounting in the box frame in the soil pressure cell outside and fixed mounting in the injection pole of box frame below, the passageway frame include the support and with support fixed connection's straight tube, the inside cavity of straight tube, the injection pole is located the straight tube inboard and can be followed the length direction removal of straight tube and pass through the bolt fastening, data recording device includes the computer, the computer is connected through the data line with soil pressure cell.
Bolts used for fixing the soil pressure cell are arranged on two sides of the box frame, and the inner side of each bolt is attached to the outer side of the soil pressure cell.
The lower extreme of box frame is equipped with connecting portion, connecting portion and penetrating pole spiro union.
The lower extreme threaded connection of injection pole has the drill bit, the drill bit includes fixed connection's rubber leather sheath part and metal part, the inside cavity of injection pole, the inside dowel steel that is equipped with of injection pole, the diameter of dowel steel is less than the diameter of injection pole, the dowel steel upper end pass the injection pole and with the butt of soil pressure cell lower extreme, the dowel steel lower extreme pass the injection pole and with the upper end butt of rubber leather sheath part.
Scales are arranged on the outer side of the penetration rod.
One side of the straight pipe is provided with a hollow part, and the position of the hollow part corresponds to the scale.
The utility model has the advantages that: the compactness and uniformity of the test soil sample are evaluated by comparing the change of the resistance borne by the drill bit along with the depth change of the penetration rod penetrating into the test soil sample, and the method has simple principle and convenient operation; the diameter of the injection rod is small, so that the test soil sample cannot be obviously disturbed in the injection process; the cooperation of the rubber leather sheath part of the drill bit and the dowel bar can make the device more sensitive, and in the initial stage of penetration, the drill bit can also produce data when the resistance is smaller, so that the test result is more accurate.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a connection of a penetration rod;
FIG. 3 is a schematic view of a gangway mount;
fig. 4 is a schematic view of the present invention when the soil sample is penetrated.
In the figure: the box comprises a box frame 1, a connecting part 11, a penetrating rod 2, a straight pipe 3, scales 4, a drill bit 5, a rubber leather sheath part 51, a metal part 52, a bracket 6, a dowel bar 7, a soil pressure box 8, a computer 9 and a bolt 10.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 4, the simple soil filling compactness testing device for the test comprises a pressurizing device, a channel frame fixedly connected with the pressurizing device, and a data recording device, wherein the pressurizing device comprises a soil pressure cell 8, a box frame 1 fixedly installed on the outer side of the soil pressure cell 8, and a penetration rod 2 fixedly installed below the box frame 1, bolts 10 used for fixing the soil pressure cell 8 are arranged on two sides of the box frame 1, and the inner side of each bolt 10 is attached to the outer side of the soil pressure cell 8.
The lower extreme of box frame 1 is equipped with connecting portion 11, connecting portion 11 and the 2 spiro unions of penetrating pole, the outside of penetrating pole 2 is equipped with scale 4, can reflect the degree of depth that 2 penetration poles penetrated experimental soil samples. The lower extreme threaded connection who penetrates pole 2 has drill bit 5, the lower extreme of dowel steel 7 is located inside drill bit 5, drill bit 5 includes fixed connection's rubber leather sheath part 51 and metal part 52, and metal part 52 can have multiple shape, for example hemisphere, triangle toper and four pyramid etc. conveniently penetrate in the experimental soil sample.
The inside cavity of penetrating pole 2, the inside dowel steel 7 that is equipped with of penetrating pole 2, the diameter of dowel steel 7 is less than the diameter of penetrating pole 2, and 7 upper ends of dowel steel pass penetrate pole 2 and with 8 lower extreme butts of soil pressure cell, 7 lower extremes of dowel steel pass penetrate pole 2 and with the upper end butt of rubber leather sheath part 51. When penetrating pole 2 and just penetrating into soil sample, the resistance that drill bit 5 received is very little, because be equipped with rubber leather sheath part 51 on the drill bit 5, rubber leather sheath part 51 can shrink the activity, guarantees to receive also can transmit dowel steel 7 by tiny power, dowel steel 7 transmits the power that receives for soil pressure cell 8 again, soil pressure cell 8 links to each other with computer 9, computer 9 can show the reaction force size that soil pressure cell 8 received experimental soil sample, the accuracy of device has been improved.
The data recording device comprises a computer 9, the computer 9 is connected with the soil pressure cell 8 through a data line, and the soil pressure cell 8 can display the pressure applied by the soil pressure cell through the computer 9.
The utility model discloses a device for the injection of straight tube 2, including the passageway frame, the passageway frame includes support 6 and the straight tube 3 with 6 fixed connection of support, and support 6 is the steel bar support for support straight tube 3 and fix the device on straight tube 3, 3 inside hollows of straight tube, injection rod 2 locates 3 inboards of straight tube and can follow the length direction removal of straight tube 3 and fix through bolt 10, and the height that highly is less than injection rod 2 of straight tube 3, one side of straight tube 3 is equipped with fretwork department, the position of fretwork department is corresponding with scale 4, conveniently observes scale 4 from fretwork department to obtain the degree of depth that injection rod 2 penetrated.
The diameter of the penetration rod 2 is 1cm, less disturbance to a sample with a smaller size can be realized, so that the test result is more accurate, the penetration rod 2 with different lengths can be selected according to the penetration depth, and the length of the dowel bar 7 is correspondingly matched.
During the use, place the passageway frame earlier on the position that experimental soil sample penetrated, soil pressure cell 8 is installed inside box frame 1, bolt 10 screws up from both sides and fixes soil pressure cell 8 and box frame 1, drill bit 5 screws up fixedly with penetration rod 2, dowel steel 7 inserts penetration rod 2, penetration rod 2 twists into box frame 1, with the one side that penetration rod 2 has scale 4 towards the fretwork department of straight tube 3, put penetration rod 2 in straight tube 3, record the reading on scale 4 this moment, manual downward pressure of applying to box frame 1 makes penetration rod 2 penetrate experimental soil sample, screw up bolt 10 after penetration rod 2 penetrates certain degree of depth and fix penetration rod 2, record the reading on scale 4 and the pressure size that shows on the computer 9 this moment. By changing the penetration depth of the penetration rod 2, different pressure levels can be obtained, thereby obtaining the depth-pressure change line graph of the point.
The position where the channel frame is placed is changed, the penetration operation is repeated, and depth-pressure change line graphs of different points can be obtained, so that the uniformity of the test soil sample is analyzed, and the compactness of different depths can be calculated through compactness and a pressure relation formula.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides an experimental closely knit degree testing arrangement that simply fills out soil, includes pressure device, with pressure device fixed connection's channel frame and data recording device, its characterized in that: pressure device includes soil pressure cell (8), fixed mounting in box frame (1) and the injection pole (2) of fixed mounting in box frame (1) below in the soil pressure cell (8) outside, the passageway frame include support (6) and with support (6) fixed connection's straight tube (3), the inside cavity of straight tube (3), injection pole (2) are located straight tube (3) inboard and can be followed the length direction removal of straight tube (3) and fixed through bolt (10), data recording device includes computer (9), computer (9) are connected through the data line with soil pressure cell (8).
2. The simple filling compactness testing device for the test according to claim 1, characterized in that: the box is characterized in that bolts (10) used for fixing the soil pressure box (8) are arranged on two sides of the box frame (1), and the inner side of each bolt (10) is attached to the outer side of the soil pressure box (8).
3. The simple filling compactness testing device for the test according to claim 1, characterized in that: the lower extreme of box frame (1) is equipped with connecting portion (11), connecting portion (11) and penetrating pole (2) spiro union.
4. The simple filling compactness testing device for the test according to claim 1, characterized in that: the lower extreme threaded connection who penetrates pole (2) has drill bit (5), drill bit (5) include fixed connection's rubber leather sheath part (51) and metal part (52), the inside cavity of penetration pole (2), the inside dowel steel (7) that is equipped with of penetration pole (2), the diameter of dowel steel (7) is less than the diameter of penetration pole (2), dowel steel (7) upper end pass penetration pole (2) and with soil pressure cell (8) lower extreme butt, dowel steel (7) lower extreme pass penetration pole (2) and with the upper end butt of rubber leather sheath part (51).
5. The simple filling compactness testing device for the test according to claim 1, characterized in that: scales (4) are arranged on the outer side of the penetration rod (2).
6. The simple filling compactness testing device for the test according to claim 5, characterized in that: one side of the straight pipe (3) is provided with a hollow part, and the position of the hollow part corresponds to the scale (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536712.2U CN212622589U (en) | 2020-07-29 | 2020-07-29 | Experimental simple and easy density testing arrangement that bankets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536712.2U CN212622589U (en) | 2020-07-29 | 2020-07-29 | Experimental simple and easy density testing arrangement that bankets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212622589U true CN212622589U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536712.2U Active CN212622589U (en) | 2020-07-29 | 2020-07-29 | Experimental simple and easy density testing arrangement that bankets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212622589U (en) |
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2020
- 2020-07-29 CN CN202021536712.2U patent/CN212622589U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210810 Address after: 312000 room 326, building 6, Jindi Yintai City, Tashan street, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing yuechuang geotechnical Technology Co.,Ltd. Address before: 312000 No. 508 West Ring Road, Zhejiang, Shaoxing Patentee before: SHAOXING University |
|
| TR01 | Transfer of patent right |