Compaction degree testing device
By designing a combined structure of slide rail and protective plate in the impact test device, the problem of difficulty in protecting the opening of the impact cylinder is solved, and efficient protection and secondary utilization of samples are achieved.
Patent Information
- Application Number
- CN202421040210.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-14
AI Technical Summary
In the prior art, it is difficult to effectively protect the opening of the solid cylinder, resulting in a large sputtering range of splashes during the solidification process, making it difficult for samples to be reused.
A solidity test device is designed, adopting a combined structure of slide rails and protective plates. The protective plate comes into contact with the surface of the solid cylinder, and the slide rails move up and down to cover the opening of the solid cylinder to minimize the sputtering range of splashes.
Through the design of the protective plate, efficient protection at the opening of the compacting cylinder is achieved, the sputtering range of splashes is reduced, and the samples can be reused, improving resource utilization.
Smart Images
Figure CN222689511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compaction testing, in particular to a compaction degree testing device. Background Art
[0002] Compaction degree refers to the degree of density achieved by a material under a certain compaction work. Compaction tests are usually used to determine the maximum dry density and optimal moisture content of soil in order to evaluate the compaction characteristics of soil. They are usually used in the fields of geotechnical engineering and building materials.
[0003] The compaction degree of an object is usually measured by hammering with a compactor. The specific process is to place the test sample into the outer ring of a compaction cylinder equipped with a ring, and use the compactor to rotate and hammer its surface. During this period, the position of the compaction cylinder can be fine-tuned if necessary.
[0004] During the hammering process of the compactor, the compactor collides with the sample inside the compaction cylinder, and the sample inside the compaction cylinder may be knocked away during the collision. It is difficult to protect the upper end of the compaction cylinder opening in the prior art. Utility Model Content
[0005] Aiming at the defect that it is difficult to protect the opening of the compaction cylinder in the prior art, the utility model provides a compaction degree testing device, which can achieve the effect of efficient protection of the opening of the compaction cylinder.
[0006] In order to solve the above technical problems, the utility model is solved by the following technical solutions:
[0007] A compaction degree testing device comprises a compaction instrument, a compaction hammer is arranged at the compaction instrument, a slide rail is arranged at the compaction hammer along the height direction, and a protective plate for covering a compaction cylinder slides on the slide rail.
[0008] The protective plate of the utility model is in contact with the surface of the compaction cylinder, which can reduce the splashing range of the splashing objects to the maximum extent and achieve a full protective effect;
[0009] The protective plate contacts the surface of the compaction cylinder, which does not affect the normal rotation and displacement requirements of the compaction cylinder, thereby improving the convenience of using the device;
[0010] The protective plate blocks the sputtering materials inside the compaction cylinder, so that the sputtered samples can be reused and the resource utilization rate of the device can be improved.
[0011] Preferably, the upper and lower ends of the slide rail are fixedly connected to limit plates.
[0012] In the utility model, the protective plate can be limited up and down by setting the limit plate to prevent the protective plate from falling off during the lifting and lowering process of the slide rail.
[0013] Preferably, the bottom of the protective plate is made of polytetrafluoroethylene.
[0014] In the utility model, the friction between the protective plate and the surface of the compaction cylinder can be reduced by setting the polytetrafluoroethylene material, so that the rotation and movement of the compaction cylinder are smoother.
[0015] Preferably, an expansion plate is fixedly connected to the outside of the limiting plate at the higher end, and a spring is provided between the expansion plate and the protective plate.
[0016] In the utility model, the protection plate is always in contact with the surface of the compaction cylinder by setting the spring, thereby further improving the protection capability of the protection plate to the compaction cylinder.
[0017] Preferably, a plurality of first columns are provided on the upper surface of the protection plate, a plurality of second columns are provided on the lower surface of the expansion plate, a first cavity for sliding of the second columns is formed inside the first columns, and the spring is located inside the first cavity.
[0018] In the utility model, the first column and the second column are arranged to protect the outside of the spring in the first cavity, thereby preventing workers from accidentally touching and pinching the spring when the spring extends up and down, thereby improving the safety of device operation.
[0019] Preferably, a guide column is provided at the bottom of the first cavity, the spring is located outside the guide column, and a second cavity for the guide column to slide is opened in the middle of the second column.
[0020] In the utility model, the limited direction of the spring can be fixed by setting the guide column, and the setting of the second cavity does not affect the normal working between the first column and the second column, thereby improving the practicality of the device.
[0021] Preferably, a first thread is engraved on the upper end of the outer wall of the first cylinder, a second thread is engraved on the upper end of the outer wall of the second cylinder, the outer thread of the first cylinder is threadedly connected to a fixing cylinder, and the fixing cylinder is threadedly connected to the second thread.
[0022] In the utility model, the first column and the second column are limited and fixed by the first thread and the second thread, so that the staff can take out and observe the compaction cylinder conveniently.
[0023] Preferably, the outside of the fixing tube is wrapped with an anti-slip pad.
[0024] In the utility model, the provision of the anti-skid pad makes it convenient for workers to hold the fixing tube and prevent it from slipping. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 Schematic diagram of the compaction instrument in Example 1;
[0026] Figure 2 is a schematic diagram of the slide rail in Example 1;
[0027] Figure 3 is a schematic diagram of the protective plate in Example 1;
[0028] Figure 4 Schematic diagram of the spring in Example 1.
[0029] The parts indicated by the numbers in the accompanying drawings are as follows:
[0030] 100, compaction instrument; 110, compaction hammer; 120, compaction cylinder; 130, protection plate; 210, slide rail; 220, limit plate; 230, expansion plate; 240, first column; 250, second column; 410, spring; 420, first cavity; 430, guide column; 440, second cavity; 450, first thread; 460, second thread; 470, fixing cylinder; 480, anti-slip pad. DETAILED DESCRIPTION
[0031] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.
[0032] Example 1
[0033] like Figure 1-2 As shown, this embodiment provides a compaction degree testing device, which includes a compaction instrument 100, a compaction hammer 110 is provided at the compaction instrument 100, a slide rail 210 is provided along the height direction at the compaction hammer 110, and a protective plate 130 for covering the compaction cylinder 120 is slidably provided at the slide rail 210.
[0034] In this embodiment, the compaction instrument 100 drives the compaction hammer 110 to repeatedly lift and compact the sample inside the compaction cylinder 120. During this period, the slide rail 210 will follow the compaction hammer 110 to move up and down, and the protective plate 130 will slide inside the slide rail 210 and contact the surface of the compaction cylinder 120 to block the splashes during the compaction process. The contact between the protective plate 130 and the surface of the compaction cylinder 120 can minimize the splash range of the splashes and achieve a sufficient protective effect.
[0035] The protection plate 130 contacts the surface of the compaction cylinder 120 , which does not affect the normal rotation and displacement requirements of the compaction cylinder 120 , thereby improving the convenience of using the device.
[0036] The protection plate 130 blocks the sputtering materials inside the compaction cylinder 120, so that the sputtered samples can be reused and the resource utilization rate of the device can be improved.
[0037] Combination Figure 2 As shown, in this embodiment, the upper and lower ends of the slide rail 210 are fixedly connected to the limit plate 220; the bottom of the protective plate 130 is made of polytetrafluoroethylene.
[0038] In this embodiment, the limit plate 220 can limit the upper and lower positions of the protective plate 130 to prevent the protective plate 130 from falling off during the lifting and lowering of the slide rail 210; the polytetrafluoroethylene material has the characteristic of low friction, which can reduce the friction between the protective plate 130 and the surface of the compaction cylinder 120, making the rotation and movement of the compaction cylinder 120 smoother.
[0039] Combination Figure 2-4 As shown, in this embodiment, the limit plate 220 located at the higher end is fixedly connected to the outside of the expansion plate 230, and a spring 410 is provided between the expansion plate 230 and the protective plate 130; a plurality of first columns 240 are provided on the upper surface of the protective plate 130, and a plurality of second columns 250 are provided on the lower surface of the expansion plate 230, and a first cavity 420 for sliding of the second column 250 is formed inside the first column 240, and the spring 410 is located inside the first cavity 420; a guide column 430 is provided at the bottom of the first cavity 420, and the spring 410 is located on the outside of the guide column 430, and a second cavity 440 for sliding of the guide column 430 is opened in the middle of the second column 250.
[0040] Through this embodiment, the spring 410 can apply downward pressure to the protective plate 130 through the expansion plate 230, so that the protective plate 130 is always in contact with the surface of the compaction cylinder 120, further improving the protective ability of the protective plate 130 to the compaction cylinder 120; the first column 240 and the second column 250 can be used to protect the outside of the spring 410 in the first cavity 420 to prevent workers from accidentally touching and pinching the spring 410 when it extends up and down, thereby improving the safety of device operation; the guide column 430 can be used to fix the direction of the spring 410, and at the same time, the setting of the second cavity 440 does not affect the normal operation between the first column 240 and the second column 250, thereby improving the practicability of the device.
[0041] Combination Figure 4 As shown, in this embodiment, a first thread 450 is engraved on the upper end of the outer wall of the first column 240, and a second thread 460 is engraved on the upper end of the outer wall of the second column 250. The external thread of the first column 240 is connected to a fixing tube 470, and the fixing tube 470 is threadedly connected to the second thread 460; the outside of the fixing tube 470 is wrapped with an anti-slip pad 480.
[0042] After the compaction of the compaction cylinder 120 in this embodiment is completed, the staff can lift the protective plate 130 so that the upper part of the first column 240 contacts the lower part of the second column 250, and the rotating fixed cylinder 470 limits the position and fixes the first column 240 and the second column 250 through the first thread 450 and the second thread 460, so that the staff can take out and observe the compaction cylinder 120; the anti-slip pad 480 on the fixed cylinder 470 is convenient for the staff to hold the fixed cylinder 470 to prevent it from slipping.
[0043] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.
Claims
1. A compaction test device, characterized in that: The compaction apparatus (100) comprises a compaction hammer (110) provided at the compaction apparatus (100), a slide rail (210) provided along the height direction at the compaction hammer (110), and a protective plate (130) for covering a compaction cylinder (120) slidingly provided at the slide rail (210).
2. A compaction test device according to claim 1, characterized in that: The upper and lower ends of the slide rail (210) are fixedly connected to the limit plates (220).
3. A compaction test device according to claim 1, characterized in that: The bottom of the protection plate (130) is made of polytetrafluoroethylene.
4. A compaction test device according to claim 1 or 2, characterized in that: The limiting plate (220) located at the higher end is externally fixedly connected to an expansion plate (230), and a spring (410) is provided between the expansion plate (230) and the protection plate (130).
5. A compaction test device according to claim 4, characterized in that: A plurality of first columns (240) are provided on the upper surface of the protection plate (130), a plurality of second columns (250) are provided on the lower surface of the expansion plate (230), a first cavity (420) for sliding of the second columns (250) is formed inside the first columns (240), and a spring (410) is located inside the first cavity (420).
6. A compaction test device according to claim 5, characterized in that: A guide column (430) is provided at the bottom of the first cavity (420), the spring (410) is located outside the guide column (430), and a second cavity (440) for the guide column (430) to slide is opened in the middle of the second column (250).
7. A compaction test device according to claim 5, characterized in that: A first thread (450) is engraved on the upper end of the outer wall of the first column (240), a second thread (460) is engraved on the upper end of the outer wall of the second column (250), the first column (240) is externally threadedly connected to a fixing cylinder (470), and the fixing cylinder (470) is threadedly connected to the second thread (460).
8. A compaction test device according to claim 7, characterized in that: The outside of the fixing tube (470) is wrapped with an anti-skid pad (480).