A detachable light cone dynamic sounding auxiliary device
By introducing a circular level, electronic counter, and buffer contactor into a lightweight cone penetration tester, the problems of inconsistent hammer height and difficulty in controlling verticality during the testing process were solved. This enabled accurate recording of the number of hammer blows and automatic correction of verticality, thereby improving the accuracy and efficiency of the test.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING NANDA GEOTECHNICAL ENG TECH CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-06-05
AI Technical Summary
During the light-duty cone penetration test, the testers need to repeatedly lift the hammer and let it fall freely, resulting in inconsistent drop heights each time. Furthermore, the hammer count relies on manual counting, making it impossible to guarantee the verticality of the penetration rod.
It adopts a detachable lightweight cone-driven penetrometer auxiliary device, equipped with a circular level and an electronic counter. The penetrometer rod is fixed by a snap-on ring belt, combined with a buffer contact device, to ensure that the height of the penetrometer hammer is consistent each time, and to record the number of hammer blows and correct the verticality in real time.
It enables precise recording of the number of hammer blows and control of the verticality of the probe, improving the accuracy and efficiency of the test and reducing human error.
Smart Images
Figure CN224325753U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of geological testing technology, and in particular to a detachable lightweight cone penetration test auxiliary device. Background Technology
[0002] Lightweight cone penetration testing utilizes a specific hammer weight and hammer energy to drive a cone probe of a certain size into the soil. The soil layer type is determined based on the depth reached by the number of hammer blows, and the engineering properties of the soil are identified. A comprehensive evaluation of the foundation soil is then made. This testing method is applicable to the treatment and evaluation of shallow soil foundations under various complex geological conditions. It is suitable for various scenarios, including indoor or outdoor foundation treatment before large-volume concrete pouring, soft soil foundation treatment, and underwater foundation construction at the bottom of artificial lakes.
[0003] During the testing process of a lightweight cone penetrometer, the testing personnel need to repeatedly lift and drop the penetrometer hammer. The drop height of the hammer is inconsistent each time. In addition, due to the vibration of the hammer during the penetration test, the verticality of the penetrometer rod cannot be guaranteed, and the number of hammer blows also depends on manual counting. Utility Model Content
[0004] The purpose of this invention is to provide a detachable, lightweight cone-driven probing auxiliary device, which solves the problem that during the testing process, the testing personnel need to repeatedly lift the mandrel for free fall, and the fall height of the mandrel is inconsistent each time.
[0005] To achieve the above objectives, this utility model provides a detachable lightweight cone penetration aid, comprising a penetration rod, a cone probe, and an auxiliary mechanism. The cone probe is fixedly connected to the penetration rod and located below the penetration rod. The auxiliary mechanism is disposed on the outside of the penetration rod and includes a circular level, a snap-on annular belt, and an electronic counter. The snap-on annular belt is slidably connected to the penetration rod and covers the lower part of the penetration rod. The circular level is fixedly connected to the snap-on annular belt and located on one side of the snap-on annular belt. The electronic counter is fixedly connected to the snap-on annular belt and located on the side of the snap-on annular belt away from the circular level.
[0006] The detachable lightweight cone dynamic penetration aid device also includes a pendulum hammer, which is slidably connected to the penetration rod and sleeved on the surface of the penetration rod, and the pendulum hammer is located below the snap-on annular belt.
[0007] The auxiliary mechanism further includes two buffer contacts, which are fixedly connected to the snap-on annular belt and respectively positioned below the circular level and the electronic counter.
[0008] This utility model discloses a detachable lightweight cone penetration aid device. A snap-on annular belt is slidably connected to the penetration rod and covers its underside. A circular level is fixedly connected to the snap-on annular belt and located on one side of it. An electronic counter is fixedly connected to the snap-on annular belt and located on the side of the belt away from the circular level. The penetration rod and the cone probe are installed in the working position. The snap-on annular belt is installed on the penetration rod, and the electronic counter is turned on. While the penetration rod is being hammered, the electronic counter continues to record the number of hammer blows, recording the required number of blows for each certain penetration distance. The testing personnel can observe the circular level and promptly correct the verticality of the penetration rod. After correction, the test continues. Attached Figure Description
[0009] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0010] Figure 1 This is a structural schematic diagram of the detachable lightweight cone dynamic penetration auxiliary device of this utility model.
[0011] Figure 2 This is a front view of the auxiliary mechanism of this utility model.
[0012] 1-Auxiliary mechanism, 2-Thrust hammer, 3-Probe rod, 4-Conical probe, 11-Circular level, 12-Snap-on ring belt, 13-Electronic counter, 14-Buffer contact device. Detailed Implementation
[0013] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0014] Please see Figures 1 to 2This utility model provides a detachable lightweight cone penetration aid device, including a penetration rod 3, a cone probe 4, and an auxiliary mechanism 1. The cone probe 4 is fixedly connected to the penetration rod 3 and located below the penetration rod 3. The auxiliary mechanism 1 is located on the outside of the penetration rod 3. The auxiliary mechanism 1 includes a circular level 11, a snap-on annular belt 12, and an electronic counter. The snap-on annular belt 12 is slidably connected to the penetration rod 3 and covers the lower part of the penetration rod 3. The circular level 11 is fixedly connected to the snap-on annular belt 12 and located on one side of the snap-on annular belt 12. The electronic counter is fixedly connected to the snap-on annular belt 12 and located on the side of the snap-on annular belt 12 away from the circular level 11.
[0015] In this embodiment, the probe rod 3 and the conical probe 4 are installed in the working position, the snap-on annular belt 12 is installed on the probe rod 3, and the electronic counter is turned on. When the probe rod 3 is hammered, the electronic counter continues to record the number of hammer blows, recording the number of hammer blows required for each certain distance. The testing personnel can observe the circular level 11 to correct the verticality of the probe rod 3 in a timely manner. After the correction is completed, the test continues.
[0016] Furthermore, the detachable lightweight cone dynamic penetration aid device also includes a pendulum 2, which is slidably connected to the penetration rod 3 and sleeved on the surface of the penetration rod 3, and the pendulum 2 is located below the snap-on annular belt 12.
[0017] In this embodiment, the hammer 2 is installed at the corresponding height on the probe rod 3. During inspection, after the hammer 2 contacts the ground, the hammer 2 is raised to the corresponding height to ensure that the probe rod 3 extends the same distance each time.
[0018] Furthermore, the auxiliary mechanism 1 also includes two buffer contacts, which are fixedly connected to the snap-on annular belt 12 and respectively disposed below the circular level 11 and the electronic counter.
[0019] In this embodiment, the buffer contactor contacts the hammer 2 to ensure that the position of the hammer 2 will not shift.
[0020] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.
Claims
1. A detachable lightweight cone penetration aid, comprising a penetration rod and a cone probe, wherein the cone probe is fixedly connected to the penetration rod and located below the penetration rod, characterized in that, It also includes an auxiliary mechanism, which is disposed on the outside of the probe rod; The auxiliary mechanism includes a circular level, a snap-on annular belt, and an electronic counter. The snap-on annular belt is slidably connected to the probe rod and covers the underside of the probe rod. The circular level is fixedly connected to the snap-on annular belt and is located on one side of the snap-on annular belt. The electronic counter is fixedly connected to the snap-on annular belt and is located on the side of the snap-on annular belt away from the circular level.
2. The detachable lightweight cone dynamic penetration aid device as described in claim 1, characterized in that, The detachable lightweight cone dynamic penetration aid also includes a pendulum hammer, which is slidably connected to the penetration rod and sleeved on the surface of the penetration rod, and the pendulum hammer is located below the snap-on annular belt.
3. The detachable lightweight cone dynamic penetration aid device as described in claim 2, characterized in that, The auxiliary mechanism also includes two buffer contacts, which are fixedly connected to the snap-on annular belt and respectively positioned below the circular level and the electronic counter.