CN215375400U - A lag sleeve for coarse aggregate hits real test - Google Patents
A lag sleeve for coarse aggregate hits real test Download PDFInfo
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- CN215375400U CN215375400U CN202121574931.4U CN202121574931U CN215375400U CN 215375400 U CN215375400 U CN 215375400U CN 202121574931 U CN202121574931 U CN 202121574931U CN 215375400 U CN215375400 U CN 215375400U
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- compaction
- protective sleeve
- coarse aggregate
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- sleeve
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Abstract
The utility model provides a protective sleeve for a coarse aggregate compaction test, which comprises two semi-cylindrical sleeves spliced into the protective sleeve, wherein a support is connected onto the semi-cylindrical sleeves, the support is connected onto a sliding rail on a soil compaction instrument in a sliding manner, the soil compaction instrument comprises a main body and a compaction sleeve, the sliding rail is arranged on the main body, the protective sleeve and the compaction sleeve are coaxial, and the lower part of the protective sleeve is in contact with the upper part of the compaction sleeve. According to the utility model, the slide rail is arranged on the soil compaction instrument, the two supports with the semi-cylindrical sleeves are arranged on the slide rail, and the two semi-cylindrical sleeves are spliced into the protective sleeve on the compaction cylinder, so that the problem that a sample is scattered when a coarse aggregate compaction test is carried out by adopting the soil compaction instrument is solved, the protective sleeve can be opened, the addition and observation of the sample are facilitated, the maximum dry density and the moisture content of the coarse aggregate can be accurately measured, the safety of a tester can be ensured, the disassembly and the replacement can be carried out according to different compaction cylinder sizes and actual test conditions, and the test precision is improved.
Description
Technical Field
The utility model belongs to the technical field of coarse aggregate compaction tests, and particularly relates to a protective sleeve for a coarse aggregate compaction test.
Background
The soil working compaction apparatus is a building equipment, mainly used for measuring the optimum water content and unit volume weight of compacted soil, and is used as the basis for controlling soil humidity and specifying minimum density when building roadbed and filling soil. The soil compaction device mainly comprises a main body, a compaction cylinder, a compaction hammer and a guide cylinder. The main part is used for providing installation space for the compaction cylinder and the compaction hammer and provides power for the guide cylinder and the compaction hammer, the compaction cylinder is used for containing the prepared sample, and the compaction hammer performs a tamping function on the sample.
The coarse aggregate is a roadbed filling with better road performance, and comprises the following components in parts by weight: large specific gravity, high strength, rough surface, good stability, good water permeability, good erosion resistance and the like. The steel slag is used as the coarse aggregate for foundation backfill, is safely and economically used for foundation engineering construction, and has important technical and economic significance for prolonging the service life of constructional engineering, reducing the construction cost, reducing environmental pollution, reducing vegetation damage caused by mining and quarrying and promoting the smooth implementation of the sustainable development strategy of China.
The coarse aggregate is used as a road material backfill material, a compaction test must be carried out by adopting a soil compaction tester to test the maximum dry density and the optimal water content of the road material so as to ensure the safety and reliability of the road, and when the coarse aggregate has a larger particle size, the coarse aggregate is easy to be compacted and hammered out of the cylinder, so that a test sample is scattered, the test result is inaccurate, and potential safety hazards exist for testers.
Therefore, a protection sleeve for preventing the sample from scattering when the geotechnical compaction tester is used for carrying out the coarse aggregate compaction test is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects of the prior art are overcome, and the protective sleeve for the coarse aggregate compaction test is provided and is characterized by comprising two semi-cylindrical sleeves which are spliced into the protective sleeve, wherein the two semi-cylindrical sleeves are connected with supports, the supports are in sliding connection on sliding rails arranged on an geotechnical compaction instrument, the geotechnical compaction instrument comprises a main body and a compaction cylinder, the sliding rails are arranged on the main body of the geotechnical compaction instrument, the protective sleeve and the compaction cylinder are coaxial, and the lower part of the protective sleeve is in contact with the upper part of the compaction cylinder.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a lag cylinder for coarse aggregate hits real test which characterized in that, hits real appearance including the geotechnique that has the main part and hit a real section of thick bamboo, be provided with the slide rail in the main part, sliding connection has two supports perpendicular with the slide rail on the slide rail, two the support is connected with the semi-cylindrical sleeve respectively, two the semi-cylindrical sleeve is in hitting the upper portion amalgamation of a real section of thick bamboo and is a lag cylinder.
The protective sleeve for the coarse aggregate compaction test is characterized in that the inner diameter of the protective sleeve is the same as that of the compaction sleeve.
The protective sleeve for the coarse aggregate compaction test is characterized in that the joint of the two semi-cylindrical sleeves is of a convex structure and a concave structure.
The protective sleeve for the coarse aggregate compaction test is characterized in that a clamping groove buckle for fixing the support is arranged on the sliding rail.
The protective sleeve for the coarse aggregate compaction test is characterized in that the semi-cylindrical sleeve is connected with the support through a bolt.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the sliding rail is arranged on the soil compaction device, the two supports with the semi-cylindrical sleeves are arranged on the sliding rail, and the two semi-cylindrical sleeves are spliced into the protective sleeve on the compaction cylinder, so that the problem that a sample scatters when a coarse aggregate compaction test is carried out by adopting the soil compaction device is solved, the protective sleeve can be opened when the sample in the compaction cylinder needs to be operated, the addition and observation of the sample are facilitated, the maximum dry density and the moisture content of the coarse aggregate can be accurately measured, the safety of a tester can be ensured, the protective sleeve is simple in structure and reasonable in design, and can be detached and replaced according to different compaction cylinder sizes and actual test conditions, the precision of a test result is improved, and the test efficiency is improved.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a front view of the protective sleeve of the present invention.
Fig. 2 is a top view of the protective sleeve of the present invention.
Fig. 3 is a schematic view of the protective sleeve of the present invention in use.
Description of reference numerals:
1-geotechnical compaction instrument; 1-body; 1-2-compaction cylinder;
2, a slide rail; 3, a bracket; 4-semi-cylindrical sleeve.
Detailed Description
As shown in fig. 1, 2 and 3, the protective sleeve for the coarse aggregate compaction test of the utility model comprises two semi-cylindrical sleeves 4 spliced into the protective sleeve, wherein the two semi-cylindrical sleeves 4 are both connected with a support 3, the support 3 is connected on a slide rail 2 arranged on an earth compaction apparatus 1 in a sliding manner, the earth compaction apparatus 1 comprises a main body 1-1 and a compaction cylinder 1-2, the slide rail 2 is arranged on the main body 1-1 of the earth compaction apparatus 1, the protective sleeve and the compaction cylinder 1-2 are coaxial, and the lower part of the protective sleeve is in contact with the upper part of the compaction cylinder 1-2.
According to the utility model, the slide rail 2 is arranged on the main body 1-1 of the soil compaction device 1, so that a back-and-forth sliding track is provided for the two supports 3 arranged on the slide rail 2, the two supports 3 slide on the slide rail 2, and the two supports 3 are respectively connected with the semi-cylindrical sleeves 4, so that the two semi-cylindrical sleeves 4 are spliced into the protective sleeve, the sample of the soil compaction device 1 is prevented from splashing when a coarse aggregate compaction test is carried out, the problem that the sample is scattered when the soil compaction device 1 carries out the coarse aggregate compaction test is solved, the addition and observation of the sample are facilitated, the maximum dry density and the moisture content of the coarse aggregate can be accurately measured, and the safety of testers can be ensured.
It should be noted that, in the utility model, the height of the protective sleeve is 20cm, and the height of the compaction sleeve 1-2 is increased by controlling the height of the protective sleeve, so that the test sample is ensured not to splash during the coarse aggregate compaction test.
It should be noted that, in the present invention, the slide rail 2 is divided into a left part and a right part, which are respectively used as the rails of the two supports 3, the two ends of the slide rail 2 are both provided with plugs to prevent the supports 3 from sliding off the slide rail 2, the adjustable lengths of the left and right slide rail 2 parts are both 8cm, when a sample is added, the two semi-cylindrical sleeves 4 are slid to the outermost side, and the size of the gap left in the middle can ensure that the upper part of the compaction cylinder 1-2 is not blocked after compaction is completed, so that the sample can be observed and added without hindrance.
In the utility model, the inner diameters of the protecting sleeve and the compacting sleeve 1-2 are the same. By controlling the inner diameters of the protective sleeve and the compaction sleeve 1-2, the protective sleeve and the compaction sleeve 1-2 are guaranteed to form a whole, a test sample is guaranteed not to splash from a gap between the protective sleeve and the compaction sleeve 1-2 when the soil compaction device 1 is tested, the testing accuracy is improved, and the safety of testing personnel is guaranteed.
In the utility model, the joint of the two semi-cylindrical sleeves 4 is of a convex structure and a concave structure. Through controlling the shape of the joint of the two semi-cylindrical sleeves 4, the joint of the two semi-cylindrical sleeves 4 is mutually staggered, the sealing performance between the two semi-cylindrical sleeves 4 is improved, the test sample is ensured not to splash from the protective sleeve and the gap between the compaction sleeves 1-2 when the geotechnical compaction tester 1 is tested, the test accuracy is improved, the safety of testers is ensured, and meanwhile, the separated structure rather than the integral structure of the two parts is helpful for adding and observing the sample.
In the utility model, a clamping groove buckle for fixing the bracket 3 is arranged on the sliding rail 2. When the semi-cylindrical sleeve 4 needs to be combined into a protective sleeve and fixed, the bracket 3 arranged on the slide rail 2 is fixed through the clamping groove buckle, so that the protective sleeve is fixed, and the stability of the protective sleeve is ensured.
In the utility model, the semi-cylindrical sleeve 4 is connected with the bracket 3 through a bolt. The semi-cylindrical sleeve 4 and the support 3 are connected through the bolts, so that the dismounting is convenient, and when the compaction cylinders 1-2 of different models need to be used, the matched protective sleeve can be conveniently replaced.
When in actual use, firstly separating the two semi-cylindrical sleeves 4, filling a coarse aggregate sample in a compaction cylinder 1-2 of the soil compaction apparatus 1, then folding the two semi-cylindrical sleeves 4, fixing the bracket 3 by adopting a clamping groove buckle, thus fixing the protective sleeve, compacting a first layer of coarse aggregate, opening the clamping groove buckle after compaction is finished, sliding the two semi-cylindrical sleeves 4 to the outermost side, galling a first layer of layer in the compaction cylinder 1-2, then adding the coarse aggregate sample, then folding the two semi-cylindrical sleeves 4, fixing the bracket 3 by adopting the clamping groove buckle, compacting the coarse aggregate for the second time, then repeating the operations until compaction test is finished, preventing the soil compaction apparatus 1 from splashing during aggregate coarse compaction test through the protective sleeve, and solving the problem that a test sample scatters when the soil compaction apparatus 1 is tested, when a sample in the compaction cylinder 1-2 needs to be operated, the protective sleeve is opened into the two semi-cylindrical sleeves 4, so that the sample can be observed and added without any trouble, the operation is simple and convenient, and the popularization and the application are convenient.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, alterations and equivalent changes made to the above embodiments according to the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a lag cylinder for coarse aggregate hits real test, its characterized in that, is including piecing together two semi-cylindrical sleeve (4) for lag cylinder, two all be connected with support (3) on semi-cylindrical sleeve (4), sliding connection on slide rail (2) that support (3) set up on geotechnique hits real appearance (1), geotechnique hits real appearance (1) and includes main part (1-1) and hits real section of thick bamboo (1-2), slide rail (2) set up on main part (1-1) of geotechnique hits real appearance (1), lag cylinder and hit real section of thick bamboo (1-2) coaxial and lag cylinder lower part and hit real section of thick bamboo (1-2) upper portion and contact each other.
2. A protective sleeve for coarse aggregate compaction test according to claim 1, wherein the inner diameter of the protective sleeve is the same as the inner diameter of the compaction cylinder (1-2).
3. A protective sleeve for coarse aggregate compaction test according to claim 1, wherein the joints of the two semi-cylindrical sleeves (4) are in a convex and concave structure.
4. Protective sleeve for coarse aggregate compaction test according to claim 1, wherein the slide rail (2) is provided with a snap fastener for fixing the bracket (3).
5. A protective sleeve for coarse aggregate compaction test according to claim 1, wherein said semi-cylindrical sleeve (4) is bolted to the bracket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121574931.4U CN215375400U (en) | 2021-07-12 | 2021-07-12 | A lag sleeve for coarse aggregate hits real test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121574931.4U CN215375400U (en) | 2021-07-12 | 2021-07-12 | A lag sleeve for coarse aggregate hits real test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215375400U true CN215375400U (en) | 2021-12-31 |
Family
ID=79608576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121574931.4U Active CN215375400U (en) | 2021-07-12 | 2021-07-12 | A lag sleeve for coarse aggregate hits real test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215375400U (en) |
-
2021
- 2021-07-12 CN CN202121574931.4U patent/CN215375400U/en active Active
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