Integral light dynamic sounding device

Abstract

The utility model provides an integral light dynamic sounding device. The integral light dynamic sounding device comprises an inner guide rod and an outer hammer, a limiting end is arranged at the top end of the inner guide rod, a fixed probe is arranged at the bottom end of the inner guide rod, and the outer hammer is connected to the inner guide rod in a sleeving mode and can move up and down relative to the inner guide rod. The limiting end and the fixed probe can realize up-and-down limiting of the outer hammer; a clamping and fixing mechanism is further formed between the fixed probe and the outer hammer, and relative fixation between the fixed probe and the outer hammer can be achieved. The device is convenient to carry and transport, and the test result is more accurate; the improved device is simpler and more convenient to operate, the test efficiency is greatly improved, and meanwhile, the influence of human factors on test results is also reduced.

Description

Technical Field

[0001] The utility model belongs to the field of rock and soil testing, in particular to an integral light-duty dynamic penetration device. Background Art

[0002] At present, the light dynamic penetration device on the market is a segmented assembly type. The device needs to be assembled on site before use, and requires 2-3 people to use it at the same time. It is cumbersome and complicated, with low efficiency. In addition, the test results are greatly affected by human factors, and the external hammer is subject to greater wind resistance, so there are often certain errors in the test results. In view of the above problems, this design optimizes the design and transformation of the traditional light dynamic penetration device. Utility Model Content

[0003] In view of this, the utility model aims to propose an integrated lightweight dynamic probing device, which is greatly affected by wind resistance and has more accurate test results. The improved device is easier to operate, greatly improves test efficiency, and also reduces the influence of human factors on test results.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] An integral light-weight dynamic penetration device comprises an inner guide rod and an outer hammer;

[0006] The top end of the inner guide rod is provided with a limit terminal, the bottom end of the inner guide rod is provided with a fixed probe, and the outer hammer is sleeved to the inner guide rod and can move up and down relative to the inner guide rod;

[0007] The limit terminal and fixed probe can realize the upper and lower limit of the external hammer;

[0008] A clamping mechanism is also formed between the fixed probe and the external hammer, which can achieve relative fixation between the fixed probe and the external hammer.

[0009] Furthermore, an annular groove is provided in the middle of the outer hammer, and the annular groove forms a handle;

[0010] The outer hammer is symmetrical with respect to the annular groove as a whole, and the outer diameter of the outer hammer gradually decreases from the middle to both ends, presenting a conical structure.

[0011] Furthermore, the fixed probe is a conical structure, the top diameter of the fixed probe is a, and the outer diameter of the end of the external hammer is b, then a>b.

[0012] Furthermore, a buckle is provided at one end of the outer hammer that can contact the limiting end head, and the limiting end head is provided with a limiting ring groove, and the buckle can be fixed with the limiting ring groove.

[0013] Furthermore, the cross section of the limiting end head is H-shaped, and the limiting ring groove is arranged in the middle of the circumferential surface of the limiting end head, and the limiting ring groove enables the limiting end head to form an upper limiting piece and a lower limiting piece.

[0014] The lower limit plate is provided with a clamping slot, and the clamping slot and the buckle form a clamping mechanism.

[0015] Furthermore, the buckles correspond to the slots one by one, there are two buckles, and the two buckles are 180° apart.

[0016] Furthermore, the slot includes an entry section and a sliding section, and the buckle enters the sliding section through the entry section.

[0017] Furthermore, the ratio of the length of the outer hammer to the length of the inner guide rod is 4:5.

[0018] Furthermore, the length difference between the outer hammer and the inner guide rod is at least between 25-35 cm.

[0019] Furthermore, the outer hammer and the inner guide rod are both made of iron.

[0020] Compared with the prior art, the integrated lightweight dynamic penetration device described in the utility model has the following advantages:

[0021] (1) The utility model is an integrated lightweight dynamic probing device, which changes the traditional segmented combined device into an integrated device, refines the shape of the outer shell hammer, and has a hand grip groove in the middle, which not only reduces wind resistance but also facilitates single-handed operation by one person, greatly improving the test efficiency.

[0022] (2) The utility model is an integrated light-weight dynamic probing device. Since a fixed drop distance is reserved between an outer hammer and an inner guide rod, the hammer can be dropped directly up and down along the inner guide rod during the test, thereby reducing the drop distance error in the original equipment during the manual drop of the hammer. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of an integrated lightweight dynamic penetration device according to an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the fastening mechanism described in an embodiment of the utility model;

[0026] Figure 3 It is a front view of the lower limit plate described in the embodiment of the utility model.

[0027] Description of reference numerals:

[0028] 1. Inner guide rod; 11. Limit end; 12. Fixed probe; 13. Limit ring groove; 14. Upper limit plate; 15. Lower limit plate; 16. Slot; 161. Entry section; 162. Sliding section; 2. Outer hammer; 21. Annular groove; 22. Buckle. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0033] An integral light-duty dynamic penetration device, such as Figure 1-Figure 3 As shown, it includes an inner guide rod 1 and an outer hammer 2; the top of the inner guide rod 1 is provided with a limit terminal 11, the bottom of the inner guide rod 1 is provided with a fixed probe 12, and the outer hammer 2 is sleeved to the inner guide rod 1 and can move up and down relative to the inner guide rod 1;

[0034] The limit end 11 and the fixed probe 12 can realize the upper and lower limit of the external hammer 2;

[0035] A clamping mechanism is also formed between the fixed probe 12 and the external hammer 2 , so as to achieve relative fixation between the fixed probe 12 and the external hammer 2 .

[0036] Preferably, an annular groove 21 is provided in the middle of the outer hammer 2, and the annular groove 21 forms a handle;

[0037] The outer hammer 2 is symmetrical with respect to the annular groove 21 as a whole. The outer diameter of the outer hammer 2 decreases gradually from the middle to both ends, forming a conical structure. The conical structure can reduce wind resistance to a certain extent and is more convenient for testing.

[0038] Preferably, the fixed probe 12 is a conical structure, the top diameter of the fixed probe 12 is a, and the outer diameter of the end of the outer hammer 2 is b, then a>b.

[0039] Preferably, a buckle 22 is provided at one end of the outer hammer 2 that can contact the limiting end head 11 , and the limiting end head 11 is provided with a limiting ring groove 13 , and the buckle 22 can be fixed to the limiting ring groove 13 .

[0040] Preferably, the cross-section of the limiting end head 11 is H-shaped, and the limiting ring groove 13 is arranged in the middle of the circumferential surface of the limiting end head 11. The limiting ring groove 13 enables the limiting end head 11 to form an upper limiting plate 14 and a lower limiting plate 15. The lower limiting plate 15 is provided with a clamping groove 16, and the clamping groove 16 and the buckle 22 form a clamping mechanism.

[0041] Preferably, the buckles 22 correspond to the slots 16 one by one, there are two buckles 22, and the two buckles 22 are 180° apart, so that the force is more evenly distributed.

[0042] Preferably, the slot 16 includes an entry section 161 and a sliding section 162, and the buckle 22 enters the sliding section 162 through the entry section 161. The buckle 22 has a T-shaped structure, and the buckle 22 is first allowed to enter from the entry section 161, and then the drop hammer can be rotated to advance the buckle 22 into the sliding section 162. The fixation between the drop hammer and the limit end 11 can be achieved in the sliding section 162.

[0043] Preferably, the ratio of the length of the outer hammer 2 to the length of the inner guide rod 1 is 4:5; the length difference between the outer hammer 2 and the inner guide rod 1 is at least between 25-35 cm, and the drop distance is fixed. During the test, the hammer can be dropped directly up and down along the inner guide rod 1, reducing the drop distance error in the original equipment's artificial hammer drop process.

[0044] Preferably, the outer hammer 2 and the inner guide rod 1 are both made of iron, which has better durability and low cost, and the outer hammer 2 needs a certain mass to provide impact force.

[0045] When in use, remove the outer hammer 2 from the limit end 11 on the top of the inner guide rod 1, place the device vertically on the test soil surface, hold the handle of the outer hammer 2, pull the external drop hammer along the guide rod to the highest point, and then let it fall freely. Perform a reciprocating operation and record the number of hammer strikes required for the probe to penetrate into the soil to a fixed depth. Finally, determine the bearing capacity and uniformity of the soil based on the obtained number of hammer strikes and refer to relevant specifications.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated lightweight dynamic penetration device, characterized in that: Includes inner guide rod and outer hammer; The top end of the inner guide rod is provided with a limit terminal, the bottom end of the inner guide rod is provided with a fixed probe, and the outer hammer is sleeved to the inner guide rod and can move up and down relative to the inner guide rod; The limit terminal and fixed probe can realize the upper and lower limit of the external hammer; A clamping mechanism is also formed between the fixed probe and the external hammer, which can achieve relative fixation between the fixed probe and the external hammer.

2. The integrated lightweight dynamic penetration device according to claim 1 is characterized in that: An annular groove is provided in the middle of the outer hammer, and the annular groove forms a handle; The outer hammer is symmetrical with respect to the annular groove as a whole, and the outer diameter of the outer hammer gradually decreases from the middle to both ends, presenting a conical structure.

3. The integrated lightweight dynamic penetration device according to claim 1 is characterized in that: The fixed probe is a conical structure, the top diameter of the fixed probe is a, the outer diameter of the end of the external hammer is b, and a>b.

4. The integrated lightweight dynamic penetration device according to claim 1 is characterized in that: The end of the outer hammer that can contact the limit end head is provided with a buckle. The limiting end head is provided with a limiting ring groove, and the buckle can be fixed with the limiting ring groove.

5. The integrated lightweight dynamic penetration device according to claim 4 is characterized in that: The cross section of the limiting end head is H-shaped, and the limiting ring groove is arranged in the middle of the circumferential surface of the limiting end head. The limiting ring groove enables the limiting end head to form an upper limiting piece and a lower limiting piece. The lower limit plate is provided with a clamping slot, and the clamping slot and the buckle form a clamping mechanism.

6. The integrated lightweight dynamic penetration device according to claim 5, characterized in that: The buckles correspond to the slots one by one. There are two buckles, and the two buckles are 180 degrees apart.

7. The integrated lightweight dynamic penetration device according to claim 5, characterized in that: The card slot comprises an entry section and a sliding section, and the buckle enters the sliding section through the entry section.

8. The integrated lightweight dynamic penetration device according to claim 1, characterized in that: The ratio of the length of the outer hammer to the length of the inner guide rod is 4:

5.

9. The integrated lightweight dynamic penetration device according to claim 1, characterized in that: The length difference between the outer hammer and the inner guide rod is at least between 25-35 cm.

10. The integrated lightweight dynamic penetration device according to claim 1, characterized in that: The outer hammer and the inner guide rod are both made of iron.

Images