Automatic light dynamic sounding device

Abstract

The utility model discloses an automatic light dynamic sounding device, which relates to the technical field of building foundation bearing capacity detection and comprises a support device, and a mounting plate matched with a probe rod for mounting is arranged on the support device. The probe rod vertically penetrates through the mounting plate and can vertically move relative to the mounting plate and the bracket device; a hammering assembly and a data monitoring assembly are installed on the probe rod, release of the piercing hammer is electrically controlled through the hammering assembly, the piercing hammer hammers a hammer base plate on the probe rod to enable the probe rod to be gradually inserted into a foundation, and meanwhile the data monitoring assembly detects the penetration depth and records the hammering frequency. The automatic light dynamic sounding device can control and monitor the perpendicularity of the probe rod in the hammering process, and therefore the situation that a traditional light dynamic sounding test needs to hold the probe rod with hands and perpendicularity errors generated by the probe rod are avoided; according to the automatic light dynamic sounding device, the hammering speed can be ensured, the drop hammer height can be ensured, the penetration depth and the hammering number of the probe rod can be recorded and stored in real time, and the accuracy of test data is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building ground bearing capacity detection technical field, especially relate to a kind of automatic light power sounding device. BACKGROUND

[0002] Light power sounding test is a commonly used ground soil engineering investigation method, using drop hammer, cone probe and probe rod, the probe is driven into the soil by hammering, and the engineering properties of the ground soil are determined according to the penetration depth and the number of hammering. This method is simple to operate, and the equipment is portable, widely used in the evaluation of cohesive soil, silt, silty sand, fine sand foundation and artificial foundation, as well as the determination of foundation treatment effect and the estimation of foundation bearing capacity.

[0003] However, the traditional light power sounding test has the following disadvantages:

[0004] High labor cost and low efficiency: the test usually needs three people to cooperate, one person records data, one person holds the probe rod, and one person operates the drop hammer, which is low in efficiency and high in labor intensity.

[0005] Test accuracy is difficult to guarantee: the traditional method is difficult to accurately control the perpendicularity of the probe rod, the drop hammer height and the hammering rate, which leads to deviation in the penetration process and affects the accuracy of the test data. The inclination of the probe rod increases with the increase of the penetration depth, and the uneven hammering rate also leads to data error.

[0006] There are safety hazards: the handheld operation of the probe rod has the risk of being hit by the drop hammer.

[0007] These problems directly affect the precision, efficiency and safety of light power sounding test, and restrict its promotion and development in engineering application. Therefore, a new technical solution is urgently needed to solve these problems to improve the precision, efficiency and safety of the test, and reduce the labor cost and safety risk. INVENTION CONTENTS

[0008] To solve the above problems, the utility model provides an automatic light power sounding device for building foundation construction process, which realizes rapid, accurate and automatic detection of foundation bearing capacity.

[0009] The technical scheme adopted by the utility model is:

[0010] An automatic light power sounding device, the automatic light power sounding device comprises a support device, and the support device is provided with a mounting plate matched with a probe rod; the probe rod vertically penetrates the mounting plate, and can vertically move relative to the mounting plate and the support device;

[0011] The hammering assembly is electrically controlled to release the cross-hole hammer, and the cross-hole hammer hammers the hammer base plate on the probe rod to make the probe rod gradually insert into the foundation, and the data monitoring assembly detects the penetration depth and records the number of hammering.

[0012] Further, the support device is a triangular support, and the mounting plate at the top of the triangular support is a circular top plate with a hole.

[0013] Further, the hammering assembly comprises an automatic unhooking device slidably sleeved on the probe rod, a cross-hole hammer slidably sleeved on the probe rod, a hammer base plate fixedly sleeved on the probe rod, and a pulley assembly and a winch; the automatic unhooking device, the cross-hole hammer and the hammer base plate are vertically arranged from high to low.

[0014] The winch is wound with a steel strand, the steel strand passes through a fixed pulley mounted at the bottom of the support device, a movable pulley mounted on the automatic unhooking device, and the end of the steel strand is fixed to the support device.

[0015] Further, the automatic unhooking device is a suction cup type electromagnet, and the cross-hole hammer is an iron cross-hole hammer.

[0016] Further, the data monitoring assembly comprises a mounting box fixedly mounted on one side of the hammer base plate, a laser sensor and a vibration sensor are mounted in the mounting box, and the detection port of the laser sensor passes through the bottom of the mounting box.

[0017] Further, the probe rod is a variable-diameter rod body, the upper rod body is thin in diameter, the lower rod body is thick in diameter, and the junction of the thick and thin rod bodies is located 50 cm above the hammer base plate.

[0018] The automatic light dynamic sounding device can be automatically operated instead of manual operation, and the efficiency of the light dynamic sounding test is significantly improved.

[0019] The automatic light dynamic sounding device reduces the dependence on manual operation, reduces the labor cost and time cost, reduces the risk of human operation error, reduces the safety hidden danger and material waste caused by improper operation, and thus reduces the overall construction cost and risk.

[0020] The automatic light dynamic sounding device reduces the dependence on manual operation, reduces the labor cost and time cost, reduces the risk of human operation error, reduces the safety hidden danger and material waste caused by improper operation, and thus reduces the overall construction cost and risk.

[0021] The application of the triangular support and the laser range finder effectively controls and monitors the perpendicularity of the probe rod during the hammering process, eliminates the perpendicularity error caused by manual operation in the traditional method, and ensures the reliability of the test results.

[0022] The automatic light dynamic sounding device improves the efficiency, precision and reliability of the light dynamic sounding test by automatic, precise and standardized design, and reduces the cost and risk, and has important practical value for building foundation construction. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the automatic light dynamic sounding device of the utility model;

[0024] Figure 2 It is a structure schematic view of the hammering assembly of the utility model;

[0025] Figure 3 It is an installation position schematic view of the pulley block of the utility model;

[0026] In the figure, 1 is a support device, 2 is a mounting plate, 3 is a probe rod, 4 is a hammering assembly, 5 is a data monitoring assembly, 6 is an automatic unhooking device, 7 is a cross peen hammer, 8 is a hammer base plate, 9 is a winch, 10 is a steel strand, 11 is a fixed pulley, 12 is a movable pulley, 13 is a mounting box, 14 is an upper rod body, and 15 is a lower rod body. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In order to facilitate the description, spatial relative terms such as "upper", "lower", "left", "right" and the like can be used herein for describing the relationship of one element or feature to another element or feature shown in the drawings. It should be understood that the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the drawing is inverted, the element described as being "below" other elements or features will be positioned "above" the other elements or features. Therefore, the exemplary term "below" can include both the upper and lower orientations. The device can be positioned in other ways, and the spatial relative descriptions used herein can be interpreted accordingly.

[0029] In view of the problems of high labor cost and low efficiency, difficult to guarantee test precision, and safety hazards in the light dynamic sounding test process, the embodiment provides an automatic light dynamic sounding device. As shown in Figure 1As shown, the automatic light dynamic sounding device comprises a support device 1, on which an installation plate 2 is arranged to cooperate with the installation of a sounding rod; the sounding rod 3 vertically penetrates the installation plate 2, and can vertically move relative to the installation plate 2 and the support device 1; the sounding rod is provided with a hammering assembly 4 and a data monitoring assembly 5. The automatic light dynamic sounding device releases the penetration hammer 7 through the electric control of the hammering assembly 4, and the penetration hammer 7 hammers the hammer pad 8 on the sounding rod to gradually insert the sounding rod into the foundation, while the data monitoring assembly 5 detects the penetration depth and records the number of hammering.

[0030] Specifically, the support device 1 is used to provide stable support of the device to ensure the stability and reliability of the detection process. As shown in Figure 1 As shown, the support device 1 in the embodiment is a triangular support, and of course other structural supports such as a prismatic support, a rectangular support, etc. can also be used; the installation plate 2 on the top of the triangular support in the embodiment is a circular top plate with holes, which is used to cooperate with the installation of the sounding rod, and to ensure that the sounding rod is always in a vertical state.

[0031] The hammering assembly 4 completes the hammering of the sounding rod to realize the penetration of the sounding rod. As shown in Figure 1 and Figure 2 As shown in the embodiment, the hammering assembly 4 comprises an automatic unhooking device 6 slidingly sleeved on the sounding rod 3, a penetration hammer 7 slidingly sleeved on the sounding rod 3, a hammer pad 8 fixedly sleeved on the sounding rod 3, and a pulley assembly and a winch 9. Among them, the automatic unhooking device 6, the penetration hammer 7, and the hammer pad 8 are vertically arranged from high to low, when the penetration hammer 7 is separated from the automatic unhooking device 6 and hits the hammer pad 8, so that the hammer pad 8 drives the sounding rod to realize the penetration of the bottom of the sounding rod into the soil.

[0032] Since the hammering assembly 4 replaces manual hammering, in the control aspect, the winch 9 and the steel wire 10 cooperate with the pulley assembly to realize the automatic control of the automatic unhooking device 6 in the embodiment; through the magnetic attraction cooperation between the automatic unhooking device 6 and the penetration hammer 7, the automatic control of the release of the penetration hammer 7 is realized. Specifically, as shown in Figure 2 and Figure 3As shown, the hoist 9 in the embodiment is wound with steel wire 10, the hoist 9 is a commercially available product, the steel wire 10 passes through the fixed pulley 11 installed at the bottom of the support device 1, the movable pulley 12 installed on the automatic unhooking device 6, and the end of the steel wire 10 is fixed on the support device 1; start the hoist 9, the hoist 9 winds or releases the steel wire 10, so as to realize the lifting of the automatic unhooking device 6 on the probe rod. The automatic unhooking device 6 in the embodiment is a suction cup type electromagnet, which adopts a commercially available product, such as the suction cup type electromagnet of CNMYE1-P250 / 200 of Mingyu Electrical Appliance, which is equipped with a remote controller; when the suction cup type electromagnet is powered on, it generates a magnetic force, so as to be magnetically connected with the iron cross peen hammer 7, and when the suction cup type electromagnet is powered off, the magnetic force disappears, and the iron cross peen hammer 7 freely falls along the probe rod and hits the hammer pad 8.

[0033] As shown in Figure 1 and Figure 2 To avoid manual measurement while ensuring the accuracy of measurement, the data monitoring assembly 5 in the embodiment adopts the following structure: the data monitoring assembly 5 includes a mounting box 13 fixedly installed on one side of the hammer pad 8, a laser sensor and a vibration sensor are installed in the mounting box 13, and a data storage is connected with the laser sensor and the vibration sensor, the laser sensor, the vibration sensor and the data storage are all commercially available products, such as the laser displacement sensor of OMRON, the vibration sensor of Digi-Key, and the data storage of Siemens; the detection port of the laser sensor passes through the bottom of the mounting box 13. The laser sensor measures the distance from the ground height, so as to accurately measure the penetration depth of the probe rod; the vibration sensor is used to monitor the number of hammering times in the hammering process.

[0034] The specific use method of the automatic light dynamic sounding device based on the above component structure and function is as follows:

[0035] Step 1, place the triangular support at the position of the foundation bearing capacity test, and after installing the cross peen hammer 7 and the automatic unhooking device 6 on the probe rod in sequence, pass the top of the probe rod through the circular top plate with a hole at the top of the triangular support, so as to keep it in a vertical state.

[0036] Step 2, turn on the laser sensor and the vibration sensor of the data monitoring assembly 5, make the automatic unhooking device 6 in the powered-on state through the remote controller, and start the hoist 9 to wind the steel wire 10, so as to make the automatic unhooking device 6 drive the cross peen hammer 7 to lift on the probe rod 3.

[0037] Step 3, when the cross peen hammer 7 reaches the predetermined position, make the automatic unhooking device 6 in the powered-off state through the remote controller, the cross peen hammer 7 freely falls along the probe rod and hits the hammer pad 8, so as to make the bottom of the probe rod penetrate into the soil.

[0038] Step 4, start the winch 9 to release the steel strand 10, make the automatic unhooking device 6 descend on the probe rod to be attached to the cross hammer 7, then make the automatic unhooking device 6 in the energized state through the remote controller, the automatic unhooking device 6 is magnetically connected with the cross hammer 7; then start the winch 9 to wind the steel strand 10, make the automatic unhooking device 6 drive the cross hammer 7 to lift the height on the probe rod 3.

[0039] Step 5, repeat steps 3 and 4, measure the penetration depth of the probe rod in real time through the laser sensor and vibration sensor of the data monitoring assembly 5, and record the number of hammering at the same time, so as to be used for subsequent foundation analysis.

[0040] Further, as the preferred technical scheme of the embodiment, as shown in the figure, Figure 3 The upper rod body 14 is thin, with a diameter of 20mm; the lower rod body 15 is thick, with a diameter of 25mm; the junction of the thick and thin rod bodies is located 50cm above the hammer pad 8. The purpose of using the variable-diameter probe rod is to facilitate the control of the consistent lifting height of the cross hammer 7 with the automatic unhooking device 6 on the probe rod 3 each time, so that the falling stroke of the cross hammer 7 is 50cm each time, thereby ensuring the consistent hammering force generated each time.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automated light dynamic penetrometer apparatus, characterized by: The automatic light power sounding device comprises a support device, and an installation plate is arranged on the support device and matched with the installation of a sounding rod; the sounding rod vertically penetrates the installation plate and can vertically move relative to the installation plate and the support device; A hammering assembly and a data monitoring assembly are installed on the sounding rod, the release of a cross hammer is controlled by the hammering assembly, the cross hammer hammers a hammer base plate on the sounding rod to make the sounding rod gradually insert into the foundation, and the data monitoring assembly detects the penetration depth and records the number of hammerings.

2. The automated light dynamic penetrometer apparatus of claim 1, wherein: The support device is a triangular support, and the installation plate at the top of the triangular support is a circular top plate with a hole.

3. The automated light dynamic penetrometer apparatus of claim 1, wherein: The hammering assembly comprises an automatic unhooking device slidably sleeved on the sounding rod, a cross hammer slidably sleeved on the sounding rod, a hammer base plate fixedly sleeved on the sounding rod, a pulley assembly and a winch; the automatic unhooking device, the cross hammer and the hammer base plate are vertically arranged from high to low; The winch is wound with a steel strand, the steel strand sequentially penetrates a fixed pulley installed at the bottom of the support device and a movable pulley installed on the automatic unhooking device, and the end of the steel strand is fixed on the support device.

4. The automated light dynamic penetrometer apparatus of claim 3, wherein: The automatic unhooking device is a suction cup type electromagnet, and the cross hammer is an iron cross hammer.

5. The automated light dynamic penetrometer apparatus of claim 1, wherein: The data monitoring assembly comprises an installation box fixedly installed on one side of the hammer base plate, a laser sensor and a vibration sensor are installed in the installation box, and a detection port of the laser sensor penetrates the bottom of the installation box.

6. The automated light dynamic penetrometer apparatus of claim 3, wherein: The sounding rod is a variable-diameter rod body, the upper rod body is thin in diameter, the lower rod body is thick in diameter, and the junction of the thick and thin rod bodies is located 50 cm above the hammer base plate.

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