CN218723854U - Penetration depth measuring device for static sounding ground - Google Patents

Penetration depth measuring device for static sounding ground Download PDF

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Publication number
CN218723854U
CN218723854U CN202222312401.3U CN202222312401U CN218723854U CN 218723854 U CN218723854 U CN 218723854U CN 202222312401 U CN202222312401 U CN 202222312401U CN 218723854 U CN218723854 U CN 218723854U
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China
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base
penetration depth
telescopic
magnetic head
telescopic link
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CN202222312401.3U
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Inventor
吴早生
张鑫
林东明
胡春东
沙鹏
黄曼
白浩东
王天佐
谢杭城
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HUAHUI ENGINEERING DESIGN GROUP CO LTD
University of Shaoxing
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HUAHUI ENGINEERING DESIGN GROUP CO LTD
University of Shaoxing
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Abstract

The utility model discloses a penetration depth measuring device on static sounding ground, including base and the magnetic grid formula displacement sensor of installing on the base, still be equipped with flexible hydro-cylinder on the base, flexible hydro-cylinder is including fixing the hydro-cylinder seat on the base, flexible setting is at the telescopic link of hydro-cylinder seat top, the plane at flexible direction perpendicular to bottom plate place of telescopic link, one side of telescopic link is connected with the probe rod that removes and impress experimental soil layer along it, magnetic grid formula displacement sensor is including the bracing piece that is located the telescopic link opposite side, the bracing piece extends along the flexible direction of telescopic link, the bracing piece is close to one side of telescopic link and sets up the draw-in groove rather than extending in the syntropy, it is connected and synchronous movement's magnetic head to slide in the draw-in groove to be equipped with the magnetic grid chi that is used for the response and determines magnetic head displacement, the magnetic grid chi sets up and extends along the draw-in groove with the magnetic head interval, the magnetic head can move to the position in real time, the penetration depth of probe rod can real-time be monitored, and can effectively improve the degree of depth measuring accuracy.

Description

Penetration depth measuring device for static sounding ground
Technical Field
The utility model relates to a static sounding technical field especially relates to a penetration depth measuring device on static sounding ground.
Background
In the prior art, static sounding refers to pressing a feeler lever with a conical metal probe into a test soil layer by using a hydraulic or mechanical transmission device, and can determine certain basic physical and mechanical properties of soil, such as deformation modulus of soil, allowable bearing capacity of soil and the like, by measuring the penetration resistance, friction force and pore water pressure of the soil by using an end resistance sensor, a side resistance sensor and a pore water pressure sensor in the probe. Static sounding technology in China is slow in development and still has a certain difference with international level, most of static sounding technology depends on labor force to carry out tests, data including the static sounding technology also needs manual processing, errors caused by human factors are caused, and whether the depth is consistent with the measured data or not cannot be determined; in the process of installing the static penetrometer, due to manual installation, the installation stability of the static penetrometer cannot be guaranteed, and the probe is obliquely pressed into a soil layer. For example, patent publication No. CN113026708B is a static cone penetration probe, wherein, a laser sensor is used for measuring penetration depth of the static cone penetration probe in real time, the laser sensor emits laser every two seconds, a detachable disc is installed at the top end of a penetration host as a laser emission target, a ground receiving device electrically connected with the laser sensor can display and record penetration depth in real time, but the laser sensor is easily affected by field environment, resulting in inaccurate measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a penetration depth measuring device on static sounding ground to solve the problem that above-mentioned prior art exists, not only can the penetration depth of real-time supervision probe rod, can effectively improve the degree of depth measuring accuracy moreover.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a penetration depth measuring device on static sounding ground, include the base and install magnetic grid type displacement sensor on the base, still be equipped with flexible hydro-cylinder on the base, flexible hydro-cylinder is including fixing hydro-cylinder seat, flexible setting on the base are in the telescopic link of hydro-cylinder seat top, the flexible direction perpendicular to of telescopic link the plane at bottom plate place, one side of telescopic link is connected with the probe rod that removes and impresses the experimental soil layer along with it, magnetic grid type displacement sensor is including being located the bracing piece of telescopic link opposite side, the bracing piece is followed the flexible direction of telescopic link extends, the bracing piece is close to one side of telescopic link is seted up rather than the draw-in groove of syntropy extension, slide in the draw-in groove be equipped with the magnetic head that the telescopic link is connected and synchronous movement, still be equipped with in the draw-in groove and be used for the response and survey the magnetic grid chi of magnetic head displacement, the magnetic grid chi with the magnetic head interval sets up and follows the draw-in groove extends.
Preferably, the magnetic grid ruler is parallel to the moving track of the magnetic head.
Preferably, the clamping groove comprises a groove bottom for mounting the magnetic grid ruler, sliding grooves extending in the same direction of the groove bottom are formed in the two sides of the groove bottom in the width direction, and sliding blocks in sliding fit with the sliding grooves are arranged on the magnetic head.
Preferably, the base is provided with a tilt sensor for keeping the base parallel to the horizontal plane.
Preferably, the base is provided with a plurality of ground anchors which are inserted into the test soil layer.
Preferably, the base is provided with an opening through which the probe rod extends out and enters the test soil layer, and each ground anchor is uniformly arranged around the opening.
Preferably, the base is provided with at least two groups of telescopic oil cylinders, the telescopic oil cylinders are matched with clamping plates, telescopic rods of the telescopic oil cylinders are synchronously connected to the clamping plates, and the probe rods are arranged on the clamping plates.
Preferably, the telescopic oil cylinders are matched with oil supply mechanisms, and oil supply loops 5 of the telescopic oil cylinders are communicated with the oil supply mechanisms together.
Preferably, be equipped with on the oil feeding mechanism and be used for detecting the pressure sensor of flexible hydro-cylinder return oil pressure, pressure sensor electricity is connected with converts its oil pressure signal into the converter of probe rod displacement.
Preferably, one end of the probe rod extending into the test soil layer is provided with a double-bridge probe, and an end resistance sensor and a side resistance sensor are arranged in the double-bridge probe.
The utility model discloses for prior art gain following technological effect:
firstly, the device comprises a base and a magnetic grid type displacement sensor arranged on the base, wherein the base is also provided with a telescopic oil cylinder, the telescopic oil cylinder comprises an oil cylinder seat fixed on the base and a telescopic rod arranged above the oil cylinder seat in a telescopic way, the telescopic direction of the telescopic rod is vertical to the plane of a bottom plate, one side of the telescopic rod is connected with a probe rod which moves along with the telescopic rod and is pressed into a test soil layer, the magnetic grid type displacement sensor comprises a supporting rod positioned at the other side of the telescopic rod, the supporting rod extends along the telescopic direction of the telescopic rod, one side of the supporting rod, which is close to the telescopic rod, is provided with a clamping groove extending along the same direction as the telescopic rod, a magnetic head which is connected with the telescopic rod and moves synchronously is arranged in the clamping groove in a sliding way, a magnetic grid ruler for sensing and measuring the moving distance of the magnetic head is also arranged in a way between the magnetic grid ruler and the magnetic head and extends along the clamping groove, through setting up the bracing piece in order to guarantee the magnetic head with telescopic link synchronous connection back, can slide along the bracing piece, in order to guarantee the removal route of magnetic head, so take the in-process that the probe rod removed at the telescopic link, can take the magnetic head to carry out effectual synchronous motion, guarantee that the magnetic head can move in place in real time, and then at the gliding in-process of draw-in groove, respond to the magnetic head through the magnetic grid chi, in order to obtain the displacement of magnetic head, the displacement of probe rod promptly, avoided adopting laser sensor among the prior art when finding range to the displacement of probe rod, receive external environment's influence easily, so the whole measuring mechanism that this application discloses, not only can the penetration depth of real-time supervision probe rod, and can effectively improve the degree of depth measuring accuracy.
And secondly, the magnetic grid ruler is parallel to the moving track of the magnetic head, and the magnetic head is the same with the vertical distance of the magnetic grid ruler in the moving process at any place so as to ensure the magnetic induction uniformity of the magnetic head and the magnetic grid ruler, so that the penetration depth of the probe can be accurately measured through the magnetic induction action of the magnetic grid ruler and the magnetic head, and the low measurement precision caused by the influence of installation errors is avoided.
And thirdly, the clamping groove comprises a groove bottom used for installing the magnetic grid ruler, the groove bottom is provided with sliding grooves extending along the same direction along the two sides in the width direction, the magnetic head is provided with sliding blocks in sliding fit with the sliding grooves, the magnetic head and the magnetic grid ruler can be arranged at intervals by arranging the sliding grooves, the magnetic head can be guaranteed to slide along the clamping groove, and the effectiveness of the whole depth measurement is guaranteed.
And fourthly, the base is provided with an inclination angle sensor used for keeping the inclination angle sensor parallel to the horizontal plane, the inclination angle sensor is arranged at the level of the base, so that in the using process, the level of the base is arranged, the depth of the test soil layer can be effectively detected by the probe rod perpendicular to the probe rod, the magnetic head is further guaranteed to move along the depth of the test soil layer, and the accuracy of measurement is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the support rod of the present invention;
the device comprises a probe rod 1, a probe plate 2, a probe 3, a telescopic oil cylinder 4, an oil supply loop 5, a magnetic head 6, a support rod 7, an inclination angle sensor 8, a base 9, a ground anchor 10 and a magnetic grid ruler 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a penetration depth measuring device on static sounding ground to solve the problem that above-mentioned prior art exists, not only can the penetration depth of real-time supervision probe rod, can effectively improve the degree of depth measuring accuracy moreover.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 2, in which, this embodiment provides a penetration depth measuring device for static sounding ground, including a base 9 and a magnetic grating type displacement sensor installed on the base 9, the base 9 is further provided with a telescopic cylinder 4, the telescopic cylinder 4 includes a cylinder base fixed on the base 9, and a telescopic rod telescopically arranged above the cylinder base, the telescopic direction of the telescopic rod is perpendicular to the plane of the base plate, one side of the telescopic rod is connected with a probe rod 1 moving along the telescopic rod and pressed into a test soil layer, the magnetic grating type displacement sensor includes a support rod 7 located at the other side of the telescopic rod, the support rod extends along the telescopic direction of the telescopic rod, one side of the support rod close to the telescopic rod is provided with a slot extending in the same direction as the telescopic rod, a magnetic head 6 connected with the telescopic rod and moving synchronously is slidably arranged in the slot, a magnetic grating ruler 11 for sensing and measuring the moving distance of the magnetic head 6 is further arranged in the slot, the magnetic grating ruler 11 and the magnetic head 6 are arranged at an interval and extend along the slot, the supporting rod is arranged to ensure that the magnetic head 6 can slide along the supporting rod after being synchronously connected with the telescopic rod, so as to ensure the moving path of the magnetic head 6, the magnetic head 6 can be effectively and synchronously moved when the telescopic rod drives the probe rod 1 to move, the magnetic head 6 can be ensured to move in place in real time, and then the magnetic head 6 is induced by the magnetic grid ruler 11 in the process of sliding along the clamping groove to obtain the moving distance of the magnetic head 6, namely the moving distance of the probe rod 1, avoids the problems that when a laser sensor is adopted to measure the moving distance of the probe rod 1 in the prior art, receive external environment's influence easily, the whole measuring mechanism that this application is disclosed so not only can real-time supervision probe rod 1's penetration depth, can effectively improve depth measurement's accuracy moreover. The preferred lightweight for guaranteeing whole measuring device, the bracing piece adopts the aluminium material, can enough guarantee its intensity to the support of magnetic head 6, can reduce whole measuring device's weight again, and for convenient the connection, the bracing piece passes through screw nut to be fixed in one side of base 9 moreover. The magnetic head 6 is matched with the magnetic grid ruler 11 to measure the penetration depth of the static sounding rod 1 in real time, and is matched with a ground receiving device electrically connected with the static sounding rod to display and record the penetration depth in real time. And has the advantages of simple structure, high measurement accuracy and convenient operation.
Wherein, the removal orbit of magnetic grid chi 11 and magnetic head 6 is parallel, because the magnetic head 6 is the same everywhere with the perpendicular distance department of magnetic grid chi 11 at the in-process that removes to guarantee the magnetic induction degree of consistency of magnetic head 6 and magnetic grid chi 11, and then can accurately survey the penetration depth of probe 3 through the magnetic induction effect of magnetic grid chi 11 and magnetic head 6, avoided receiving the installation error influence, the measurement accuracy that leads to is not high.
Further, the draw-in groove is including the tank bottom that is used for installing magnetic grid chi 11, and the tank bottom all is equipped with rather than the syntropy spout that extends along its width direction ascending both sides, be equipped with on the magnetic head 6 with each spout sliding fit's slider, can enough make magnetic head 6 and magnetic grid chi 11 interval set up through setting up the spout, can guarantee again that magnetic head 6 slides along the draw-in groove, has guaranteed whole degree of depth measuring validity.
Preferably, the base 9 is provided with an inclination angle sensor 8 for keeping the inclination angle sensor parallel to the horizontal plane, the inclination angle sensor 8 is arranged to ensure that the base 9 is horizontally arranged, so that in the using process, the base 9 is horizontally arranged, the probe rod 1 vertical to the probe rod can effectively detect the depth of the test soil layer, the magnetic head 6 is further ensured to move along the depth of the test soil layer, and the measuring accuracy is ensured. That is, inclination sensor 8 is used for the gradient of real-time measurement whole device, and inclination sensor 8 is supporting to have rather than the ground receiving arrangement who is connected electrically, ground receiving arrangement can show inclination in real time, and be supporting to have the alarm, send out the police dispatch newspaper when the inclination of whole device exceeds 10, whole device stop work, can effectively avoid leading to 3 slopes of probe to impress the soil layer and cause the cracked condition, the security of device has been guaranteed, it is preferred, inclination sensor 8 ann passes through screw nut and adorns in the base 9 outside, with base 9 horizontal installation.
Further, be equipped with a plurality of earth anchors 10 that are arranged in pegging graft in experimental soil layer on the base 9, through setting up earth anchor 10 in order to guarantee that base 9 can stabilize in experimental soil layer, and then make things convenient for the flexible of probe rod 1, and guarantee that the level of base 9 is placed, avoids slope easily etc.. Preferably, the ground anchor 10 is fixedly connected with the base 9 through screws and nuts. Specifically, the base 9 is provided with screw holes, and each screw hole is connected with the support rod, the tilt angle sensor 8 and the ground anchor 10 through a screw and a nut.
Wherein, be equipped with on the base 9 and supply probe rod 1 to stretch out and get into the trompil in the experimental soil layer, each place anchor 10 evenly encircles the setting around the trompil to form around the trompil and stabilize effectual support and connect, guarantee that trompil department and probe rod 1's the deep test soil layer of the edge depth direction, and under the effect of placing guaranteeing the level of base 9, guarantee the measuring degree of accuracy.
Further, be equipped with two sets of at least flexible hydro-cylinders 4 on the base 9, flexible hydro-cylinder 4 is supporting to have cardboard 2, the telescopic link synchronous connection of each flexible hydro-cylinder 4 is on cardboard 2, and probe rod 1 installs on cardboard 2, guarantee the synchronous flexible of each flexible hydro-cylinder 4 through cardboard 2 on the one hand, avoid probe rod 1 to take place the slope at the in-process that removes, on the other hand guarantees through cardboard 2 that each flexible hydro-cylinder 4 stretches out and draws back under the synchronous prerequisite, guarantee the validity that magnetic head 6 removed.
Preferably, the telescopic oil cylinders 4 are matched with oil supply mechanisms, oil supply loops 5 of the telescopic oil cylinders 4 are communicated with the oil supply mechanisms together, and the synchronism and effectiveness of oil paths of the telescopic oil cylinders 4 are ensured by the same oil supply mechanism so as to ensure the telescopic synchronism of the telescopic rods.
Preferably, the oil supply mechanism is provided with a pressure sensor for detecting the oil return pressure of the telescopic oil cylinder 4, the pressure sensor is electrically connected with a converter for converting an oil pressure signal of the pressure sensor into the moving distance of the probe rod 1, the moving distance of the probe rod 1 is determined by the corresponding numerical value of the pressure sensor, and then the two data are compared and checked according to the data measured by the matching of the magnetic head 6 and the magnetic grid ruler 11, so that the accuracy of the measured data is ensured.
Preferably, one end of the probe rod 1 extending into the test soil layer is provided with a double-bridge probe 3, and an end resistance sensor and a side resistance sensor are arranged in the double-bridge probe 3. The end resistance sensor converts the resistance borne by the cone tip into a data signal and transmits the data signal to the ground receiving device. The side resistance sensor converts the friction force on the side wall friction cylinder into a data signal and transmits the data signal to the ground receiving device.
The adaptability that carries out according to actual demand all is in the protection scope of the utility model.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. The utility model provides a penetration depth measuring device on static sounding ground, its characterized in that, includes the base and installs magnetic grid formula displacement sensor on the base, still be equipped with flexible hydro-cylinder on the base, flexible hydro-cylinder is including fixing hydro-cylinder seat, the flexible setting on the base are in the telescopic link of hydro-cylinder seat top, the flexible direction perpendicular to of telescopic link the plane at base place, one side of telescopic link is connected with the probe rod along with its removal and the experimental soil layer of impressing, magnetic grid formula displacement sensor is including being located the bracing piece of telescopic link opposite side, the bracing piece is followed the flexible direction of telescopic link extends, the bracing piece is close to one side of telescopic link is seted up rather than the draw-in groove that extends in the same direction, slide in the draw-in groove be equipped with the magnetic head that the telescopic link is connected and synchronous movement, still be equipped with in the draw-in groove and be used for the response and survey the magnetic grid chi of magnetic head displacement, the magnetic grid chi with the magnetic head interval sets up and follows the draw-in groove extends.
2. A penetration depth measuring device according to claim 1, wherein the magnetic scale is parallel to the path of travel of the magnetic head.
3. A penetration depth measuring device according to claim 2, wherein the slot comprises a slot bottom for mounting the magnetic grid ruler, the slot bottom is provided with sliding slots extending in the same direction along both sides in the width direction, and the magnetic head is provided with sliding blocks in sliding fit with the sliding slots.
4. A penetration depth measuring device according to any one of claims 1 to 3, wherein the base is provided with a tilt sensor for maintaining it parallel to the horizontal.
5. A penetration depth measuring device according to claim 4, wherein the base is provided with a plurality of ground anchors for insertion into the test soil layer.
6. A penetration depth measuring device for a static sounding ground surface according to claim 5, wherein the base is provided with an opening through which the probe rod extends and enters the test soil layer, and each ground anchor is uniformly arranged around the opening.
7. The penetration depth measuring device of the static sounding ground according to claim 6, wherein at least two sets of said telescopic cylinders are disposed on said base, said telescopic cylinders are provided with a clamping plate, said telescopic rod of each telescopic cylinder is synchronously connected to said clamping plate, and said probe rod is mounted on said clamping plate.
8. The penetration depth measuring device of the static sounding ground according to claim 7, wherein the telescopic oil cylinders are provided with oil supply mechanisms, and oil supply loops of the telescopic oil cylinders are communicated with the oil supply mechanisms together.
9. The penetration depth measuring device of the static sounding ground according to claim 8, wherein the oil supply mechanism is provided with a pressure sensor for detecting the return oil pressure of the telescopic oil cylinder, and the pressure sensor is electrically connected with a converter for converting an oil pressure signal of the pressure sensor into the movement distance of the probe rod.
10. A penetration depth measuring device for penetration into a ground by static cone penetration test according to claim 9, wherein the end of the probe rod extending into the test soil layer is provided with a double bridge probe, and the double bridge probe is provided with an end resistance sensor and a side resistance sensor.
CN202222312401.3U 2022-09-01 2022-09-01 Penetration depth measuring device for static sounding ground Active CN218723854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222312401.3U CN218723854U (en) 2022-09-01 2022-09-01 Penetration depth measuring device for static sounding ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222312401.3U CN218723854U (en) 2022-09-01 2022-09-01 Penetration depth measuring device for static sounding ground

Publications (1)

Publication Number Publication Date
CN218723854U true CN218723854U (en) 2023-03-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222312401.3U Active CN218723854U (en) 2022-09-01 2022-09-01 Penetration depth measuring device for static sounding ground

Country Status (1)

Country Link
CN (1) CN218723854U (en)

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