CN211179615U - Soil layer settlement detection probe and soil layer settlement detection system composed of same - Google Patents

Abstract

The utility model discloses a soil layer settlement detecting probe and a soil layer settlement detecting system composed of the same, which comprises a shell, a conductive bar, a conductive post, a resistance post and a lead joint, wherein the resistance post is vertically arranged in the shell, the conductive post is vertically arranged in the shell or outside the shell, the resistance column and the conductive column are fixedly connected and insulated with the shell, the lead joint is arranged on the shell, two connecting terminals extend into the shell respectively and are electrically connected with the resistance column and the conductive column respectively, the side wall of the shell is vertically provided with a strip-shaped hole, the conductive strip extends into the shell through the strip-shaped hole, and are respectively in sliding contact with the conductive column and the resistance column, the conductive strip is positioned outside the shell and is fixedly connected with a sliding piece, the sliding piece is driven to move up and down under the action of external force, and the conductive bar is driven to slide up and down along the strip-shaped hole so as to adjust the resistance value of the resistor formed by the conductive column, the conductive bar and the resistor column. The device has the advantages of simple structure, high sensitivity and strong applicability.

Description

Soil layer settlement detection probe and soil layer settlement detection system composed of same

Technical Field

The utility model belongs to the soil layer subsides the detection equipment field, especially relates to a soil layer subsides detecting probe and soil layer settlement detection system who constitutes thereof.

Background

Sedimentation is the downward movement of a soil layer under the influence of natural or human engineering due to the consolidation, shrinkage and compaction of an underground loose soil layer. When the settlement forms a certain scale and considerable damage, the treatment and recovery are extremely difficult by the existing capability and technology of human beings, and the consequences of the ground settlement can be catastrophic if the ground settlement is carried out, so that the ground settlement becomes an important problem for restricting the sustainable development of the society and the economy. The settlement of China is mostly caused by excessive exploitation of underground water, but in recent years, the settlement of the ground or the settlement of a certain layer of soil body in the soil body caused by the release of gas in some gas-containing strata is also encountered in engineering, and is mainly distributed in coastal areas of Jiangzhe, delta of Yangtze river, Chadamu basin, Songliao basin, Bohai Bay basin and Yunnan Guigui area in south China. It can be said that ground subsidence may occur in various countries and regions around the world. The settlement causes harm to the industrial and agricultural production, transportation, urban construction and people's economy and life, and obviously worsens the urban environment. Settlement causes house bridge fracture, slope, collapse, inhomogeneous ground subsides simultaneously can make the gas pipe of burying in the underground, supply and drainage pipe, pipeline bending deformation such as electric wire optical cable, even break, and the event such as the communication interruption that stops water and has a power failure is aroused in light person "dripping, hourglass, burst", and heavy person will cause the waste of the energy of carrying and the pollution of groundwater, when meetting the stratum that takes place ground subsides easily, clearly understand the inside displacement that subsides in this stratum, be favorable to the accurate degree of harm of shallow this subsides stratum to the engineering of judgement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, one of the objects of the present invention is to provide a soil layer settlement probe with simple structure and high detection sensitivity.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a soil layer settlement probe, includes casing, busbar, leads electrical pillar, resistance post and wire and connects, the vertical setting of casing, its inside cavity, the vertical setting of resistance post is in the casing, lead the vertical setting of electrical pillar, the resistance post with lead electrical pillar all with the casing is connected fixedly and the insulation is connected, the wire articulate and is installed on the casing, it has two binding post, and two binding post respectively with the resistance post with lead the electrical connection of electrical pillar, the vertical bar hole that is equipped with on the lateral wall of casing, the busbar warp the bar hole stretches into in the casing, just the busbar respectively with lead electrical pillar and resistance post sliding contact, the busbar is located the outer fixedly connected with slider of casing, drive under the exogenic action the slider reciprocates and drives the busbar is followed the bar hole slides from top to bottom in order to adjust lead electrical pillar, resistance post, The resistance value of the resistor formed by the conductive strips and the resistor column together.

The beneficial effects of the above technical scheme are that: this soil layer subsides detecting probe utilizes the principle of slide rheostat, subsides through the soil layer and drives slider and busbar slip and judge whether the soil layer subsides and the soil layer volume of subsiding in order to change the resistance value size between leading electrical pillar, busbar and the resistance post, and its overall structure is simple, and sensitivity is high.

Among the above-mentioned technical scheme the casing is including upper terminal, barrel and lower terminal that distributes from top to bottom in proper order, the barrel is straight tube-shape, and its interior hole cross section is circular, and its upper and lower extreme all is equipped with the internal thread, the one end that upper terminal and lower terminal are close to each other respectively protruding be equipped with barrel both ends internal thread screw-thread fit's screw thread post, the screw thread post on upper terminal and the lower terminal respectively with barrel both ends threaded connection, the bar hole sets up on the lateral wall of barrel, the vertical setting of resistance post is in the barrel, it is in to lead the vertical setting of electrical pillar outside the barrel, just resistance post and electrically conductive post respectively with upper terminal and/or lower terminal are connected fixedly and insulated connection, the wire joint is installed on the upper terminal.

The beneficial effects of the above technical scheme are that: the main body part of the shell is formed by assembling the upper terminal, the barrel and the lower terminal, so that the whole shell is more convenient to assemble and maintain.

In the technical scheme, the resistance column comprises an insulating rod and a resistance wire, the insulating rod is vertically arranged in the cylinder, the upper end of the insulating rod is fixedly connected with the middle part of the upper end threaded column of the upper terminal or/and the middle part of the upper end threaded column of the lower terminal, the resistance wire is spirally wound on the insulating rod from top to bottom, and the upper end of the resistance wire is electrically connected with the corresponding connecting terminal.

The beneficial effects of the above technical scheme are that: the length of resistance wire can be increased for the length of resistance wire is greater than the length of insulating rod far away, so can increase the scope that the resistance value changes, thereby improve the sensitivity of its detection.

In the technical scheme, the lower terminal is in a cone shape, the tip end of the lower terminal faces downwards, and the corresponding threaded column is coaxially and convexly arranged in the middle of the upper end of the lower terminal.

The technical scheme has the beneficial effect that the probe can conveniently drill into the stratum.

In the technical scheme, the cross section of the upper terminal is circular, and the corresponding threaded column is coaxially and convexly arranged in the middle of the lower end of the upper terminal.

The technical scheme has the beneficial effect that the shape is attractive.

Among the above-mentioned technical scheme the upper end includes that circular shape bottom plate and notch are down and be circular shape cell body, the bottom plate level sets up, the notch of cell body is equipped with the internal thread, with barrel upper end threaded connection's the coaxial protruding establishment of screw thread post is in bottom plate lower extreme middle part, the bottom plate upper end still coaxial protruding be equipped with cell body notch internal thread matched with screw thread post, and the two threaded connection, the wire connects the setting and is in the upper end of cell body.

The beneficial effects of the above technical scheme are that: the repair of the wiring terminal, the resistance column and the conductive column is facilitated.

In the technical scheme, the sliding part is a straight-bar-shaped pipe, the sliding part is sleeved outside the cylinder body, the inner diameter of the sliding part is equal to the diameter of the upper end of the lower terminal, the outer diameter of the sliding part is smaller than or equal to the diameter of the lower end of the upper terminal, and the conducting bar is fixedly connected with the inner wall of the sliding part.

The beneficial effects of the above technical scheme are that: so make the slider be difficult for breaking away from the barrel, make whole slider form certain guard action to the casing simultaneously, avoid the soil layer to subside and drive the synchronous settlement of casing.

In the above technical solution, the length of the sliding member is not less than the distance between the upper terminal and the lower terminal.

The beneficial effect of above-mentioned technical scheme lies in so making down the terminal can play the effect of direction to the slider (make the slider and down the terminal coaxial distribution all the time), avoid the slider dislocation and slide limited.

In the above technical scheme, a gap is formed between the sliding part and the cylinder body, and the conductive column is vertically arranged in the gap between the sliding part and the cylinder body.

The beneficial effect of the above technical scheme is that the structure is simple.

The second objective of the present invention is to provide a soil layer settlement detection system with simple structure and high detection sensitivity.

In order to achieve the above object, another technical solution of the present invention is as follows: the soil layer settlement detection system comprises a resistance measurement device, a probe bracket and the soil layer settlement detection probe, wherein the probe bracket is fixed on the earth surface, the lower end of the soil layer settlement detection probe vertically penetrates into the earth surface, the upper terminal is placed on the probe bracket, and the two wiring terminals are respectively and electrically connected with the two wiring terminals of the detection port of the resistance measurement device.

The beneficial effects of the above technical scheme are that: the resistance measuring device is simple in structure, the probe support is used for fixing the shell at a constant horizontal height, and the sliding piece is driven to slide down along with the settlement of underground soil, so that the resistance value of the soil layer settlement detecting probe detected by the resistance measuring device changes.

In the technical scheme, the resistance measuring device is a multimeter.

The beneficial effects of the above technical scheme are that: the sensitivity is high.

Drawings

Fig. 1 is a schematic structural diagram of a soil layer settlement probe according to embodiment 1 of the present invention;

fig. 2 is a matching diagram of the housing, the conductive strip, the resistive post, the conductive post, and the wire connector according to embodiment 1 of the present invention;

fig. 3 is the utility model discloses embodiment 2 soil layer settlement detection system's installation picture.

In the figure: 1 soil layer settlement detection probe, 11 shells, 111 upper terminals, 1111 bottom plates, 1112 grooves, 112 cylinders, 113 lower terminals, 12 conductive strips, 121 sliders, 13 conductive columns, 14 resistance columns, 141 insulating rods, 142 resistance wires, 15 lead connectors, 2 resistance measurement devices and 3 probe supports.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, the embodiment provides a soil layer settlement probe, which includes a housing 11, a conductive bar 12, a conductive column 13, a resistance column 14 and a conductive line connector 15, where the housing 11 is vertically disposed, the interior of the housing 11 is hollow, the resistance column 14 is vertically disposed in the housing 11, the conductive column 13 is vertically disposed, the resistance column 14 and the conductive column 13 are both fixedly connected and insulated with the housing 11, the conductive line connector 15 is mounted on the housing 11 and has two connection terminals, the two connection terminals are respectively electrically connected with the resistance column 14 and the conductive column 13, a strip-shaped hole is vertically disposed on a side wall of the housing 11, the conductive bar 12 extends into the housing 11 through the strip-shaped hole, the conductive bar is respectively in sliding contact with the conductive column 13 and the resistance column 14, the conductive bar 12 is located outside the housing 11 and is fixedly connected with a sliding part 121, under the action of an external force, the sliding member 121 is driven to move up and down and drive the conductive strip 12 to slide up and down along the strip-shaped hole so as to adjust the resistance value of the resistor formed by the conductive column 13, the conductive strip 12 and the resistive column 14. This soil layer subsides detecting probe utilizes the principle of slide rheostat, subsides through the soil layer and drives slider and busbar slip and judge whether the soil layer subsides and the soil layer volume of subsiding in order to change the resistance value size between leading electrical pillar, busbar and the resistance post, and its overall structure is simple, and sensitivity is high.

Preferably, the axis of the conductive post and the resistance post passes through the strip-shaped hole on the same plane (that is, three points of the three in a top view state are on the same straight line), the conductive post is located outside the cylinder, the conductive bar is horizontally arranged, a through hole penetrating through the conductive post up and down is arranged at a position corresponding to the conductive post on the conductive bar, the through hole is matched with the conductive post, the conductive post penetrates through the conductive bar and is in sliding contact with the conductive post (so that the conductive bar can be limited, the conductive bar is always in contact with the conductive post), and the position of the conductive bar close to the resistance post is extended to be in sliding contact with the resistance post.

In the above technical scheme, the housing 11 includes upper terminal 111, cylinder 112 and lower terminal 113 that distribute from top to bottom in proper order, the cylinder 112 is straight bar, and its inner hole cross section is circular, and its upper and lower extreme all is equipped with the internal thread, the one end that upper terminal 111 and lower terminal 113 are close to each other protruding be equipped with respectively with cylinder 112 both ends internal thread screw-thread fit's screw thread post, the screw thread post on upper terminal 111 and lower terminal 113 respectively with cylinder 112 both ends threaded connection, the bar hole sets up on the lateral wall of cylinder, resistance post 14 is vertical to be set up in cylinder 112, it is vertical to be in to lead electrical pillar 13 outside cylinder 112, just resistance post 14 and lead electrical pillar 13 respectively with upper terminal 111 and/or lower terminal 113 are connected fixedly and insulated connection, wire joint 15 is installed on the upper terminal 111. The main body part of the shell is formed by assembling the upper terminal, the barrel and the lower terminal, so that the whole shell is more convenient to assemble and maintain.

In the above technical solution, the resistance post 14 includes an insulating rod 141 and a resistance wire 142, the insulating rod 141 is vertically disposed in the barrel 112, the upper end of the insulating rod 141 is fixedly connected with the middle of the upper terminal lower end threaded post or/and the lower terminal upper end threaded post, the resistance wire 142 is spirally wound from top to bottom in a dense manner, the resistance wires arranged on the spiral disks are mutually attached to each other, the resistance wires are arranged on the insulating rod 141 in a consistent state with the state of the resistance wires on the sliding rheostat, and the upper end of the resistance wire 142 is electrically connected with the corresponding connection terminal. The length of resistance wire can be increased for the length of resistance wire is greater than the length of insulating rod far away, so can increase the scope that the resistance value changes, thereby improve the sensitivity of its detection.

In the above technical solution, the lower terminal 113 is cone-shaped, and the tip thereof faces downward, and the corresponding threaded column is coaxially and convexly arranged in the middle of the upper end thereof, so that the probe can conveniently drill into the ground.

In the above technical solution, the cross section of the upper terminal 111 is circular, and the corresponding threaded column is coaxially and convexly arranged at the middle part of the lower end thereof.

In the above technical scheme the upper terminal 111 includes circular shape bottom plate 1111 and notch down and be circular shape cell body 1112, bottom plate 1111 level sets up, the notch of cell body 1112 is equipped with the internal thread, with the coaxial protruding of barrel 112 upper end threaded connection's screw thread post is established bottom plate 1111 lower extreme middle part, bottom plate 1111 upper end still coaxial protruding be equipped with cell body 1112 notch internal thread matched with screw thread post, and the two threaded connection, wire joint 15 sets up the upper end of cell body 1112. The repair of the wiring terminal, the resistance column and the conductive column is facilitated. Preferably, in order to facilitate the probe to be drilled into the ground, the middle of the upper end of the groove body is coaxially and convexly provided with an annular convex block, the cross section of the annular convex block is annular, external threads are arranged outside the annular convex block and are in threaded fit with the drill rod connector, the wiring terminal is led out of the groove body through the inside of the annular convex block, and the annular convex block with the external threads is arranged, so that the whole probe can be mounted on a drill rod of a drilling machine, and the lower end of the probe is drilled into the ground through the drilling machine.

In the above technical solution, the sliding member 121 is a straight-bar-shaped tube, the sliding member 121 is sleeved outside the cylinder 112, the inner diameter of the sliding member 121 is equal to the diameter of the upper end of the lower terminal 113, the outer diameter of the sliding member 121 is smaller than or equal to the diameter of the lower end of the upper terminal 111, and the conductive bar 12 is fixedly connected to the inner wall of the sliding member 121. So make the slider be difficult for breaking away from the barrel, make whole slider form certain guard action to the casing simultaneously, avoid the soil layer to subside and drive the synchronous settlement of casing.

In the above technical solution, the length of the sliding member 121 is not less than the distance between the upper terminal 111 and the lower terminal 113. Therefore, the lower terminal can play a role in guiding the sliding piece (the sliding piece and the lower terminal are coaxially distributed all the time), and the sliding piece is prevented from being dislocated and limited in sliding.

In the above technical solution, a gap is formed between the sliding member 121 and the cylinder 112, and the conductive pillar 13 is vertically disposed in the gap between the sliding member 121 and the cylinder 112.

This embodiment soil layer settlement probe's principle is similar to the principle of slide rheostat, and the probe lower extreme inserts the subsurface, and fixes the casing upper end, and the slider descends along with the soil layer when the subsurface is subsided by the underground soil layer to lead to the busbar to move down, make busbar and resistance post and the contact department of leading electrical pillar all move down, thereby lead to the resistance value between two binding post to change, can judge whether the soil layer subsides and the value of subsiding through the resistance value change.

Example 2

As shown in fig. 3, the present embodiment provides a soil layer settlement detecting system, which includes a resistance measuring device 2, a probe bracket 3 and a soil layer settlement detecting probe 1 as described in embodiment 1, wherein the probe bracket 3 is fixed on the ground surface, the lower end of the soil layer settlement detecting probe 1 vertically penetrates into the ground surface, the upper terminal 111 is placed on the probe bracket 3, and the two connection terminals are electrically connected with two connection terminals of a detection port of the resistance measuring device 2, respectively. The resistance measuring device is simple in structure, the probe support is used for fixing the shell at a constant horizontal height, and the sliding piece is driven to slide down along with the settlement of underground soil, so that the resistance value of the soil layer settlement detecting probe detected by the resistance measuring device changes. The probe support can be directly formed by an n-shaped frame, the lower end of the n-shaped frame is fixed on the ground surface, and the upper terminal is bound or hung on the n-shaped frame through an iron wire.

In the above technical solution, the resistance measuring device 2 is preferably a multimeter, and may be a resistance tester. Wherein, the resistance measuring device 2 can be arranged indoors for remote monitoring.

The device can be applicable to the earth's surface and pour the region that has concrete layer for whether survey concrete layer below soil layer subsides, establish probe bracket clamp on concrete layer, because concrete layer has certain rigidity, it can not sink along with the soil layer in step, so its error is little when being applied to this type topography.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The soil layer settlement probe is characterized by comprising a shell (11), a conductive bar (12), a conductive column (13), a resistance column (14) and a lead joint (15), wherein the shell (11) is vertically arranged, the interior of the shell is hollow, the resistance column (14) is vertically arranged in the shell (11), the conductive column (13) is vertically arranged, the resistance column (14) and the conductive column (13) are fixedly connected and insulatively connected with the shell (11), the lead joint (15) is installed on the shell (11) and is provided with two wiring terminals, the two wiring terminals are respectively electrically connected with the resistance column (14) and the conductive column (13), a strip hole is vertically arranged on the side wall of the shell (11), the conductive bar (12) extends into the shell (11) through the strip hole, and the conductive bar is respectively in sliding contact with the conductive column (13) and the resistance column (14), the conductive strips (12) are located outside the shell (11) and fixedly connected with sliding pieces (121), the sliding pieces (121) are driven to move up and down under the action of external force, and the conductive strips (12) are driven to slide up and down along the strip-shaped holes so as to adjust the resistance value of the resistor formed by the conductive columns (13), the conductive strips (12) and the resistor columns (14) together.

2. The soil layer settlement probe according to claim 1, wherein the housing (11) comprises an upper terminal (111), a cylinder (112) and a lower terminal (113) which are sequentially distributed up and down, the cylinder (112) is in a straight cylinder shape, the cross section of an inner hole of the cylinder is circular, inner threads are arranged at the upper end and the lower end of the cylinder, threaded columns matched with the inner threads at the two ends of the cylinder (112) are respectively and convexly arranged at one ends of the upper terminal (111) and the lower terminal (113) which are close to each other, the threaded columns on the upper terminal (111) and the lower terminal (113) are respectively in threaded connection with the two ends of the cylinder (112), the strip-shaped holes are formed in the side wall of the cylinder, the resistor column (14) is vertically arranged in the cylinder (112), the conductive column (13) is vertically arranged outside the cylinder (112), and the resistor column (14) and the conductive column (13) are respectively fixedly connected with the upper terminal (111) and/or the lower terminal (113) and are connected in an insulating The wire terminal (15) is mounted on the upper terminal (111).

3. The soil layer settlement probe as recited in claim 2, wherein the resistance column (14) comprises an insulation rod (141) and a resistance wire (142), the insulation rod (141) is vertically arranged in the cylinder (112), the upper end of the insulation rod (141) is fixedly connected with the middle of the upper terminal lower end threaded column or/and the lower terminal upper end threaded column, the resistance wire (142) is spirally wound on the insulation rod (141) from top to bottom, the upper end of the resistance wire (142) is electrically connected with the corresponding connection terminal, and the conductive strip (12) is in sliding contact with the resistance wire (142).

4. The soil layer settlement probe as claimed in claim 2 wherein the lower terminal (113) is cone-shaped with its tip facing downward and its corresponding threaded post projecting coaxially in the middle of its upper end.

5. The soil layer settlement probe as claimed in claim 4 wherein the upper terminal (111) is circular in cross section and has a corresponding threaded post projecting coaxially at a central portion of the lower end thereof.

6. The soil layer settlement probe as claimed in claim 5, wherein the upper terminal (111) comprises a circular bottom plate (1111) and a groove body (1112) with a downward notch and a circular shape, the bottom plate (1111) is horizontally arranged, the groove body (1112) is provided with an internal thread, a threaded post in threaded connection with the upper end of the cylinder body (112) is coaxially and convexly arranged in the middle of the lower end of the bottom plate (1111), a threaded post matched with the internal thread of the groove body (1112) is also coaxially and convexly arranged at the upper end of the bottom plate (1111), the groove body (1112) is in threaded connection with the threaded post at the upper end of the bottom plate, and the wire connector (15) is arranged at the upper end of the groove body (1112).

7. The soil layer settlement probe according to claim 5 or 6, wherein the sliding member (121) is a straight bar-shaped pipe, the sliding member (121) is sleeved outside the cylinder (112), the inner diameter of the sliding member (121) is equal to the diameter of the upper end of the lower terminal (113), the outer diameter of the sliding member (121) is smaller than or equal to the diameter of the lower end of the upper terminal (111), and the conductive strip (12) is fixedly connected with the inner wall of the sliding member (121).

8. Soil layer settlement probe according to claim 7, wherein the length of the slide (121) is not less than the separation distance between the upper terminal (111) and the lower terminal (113).

9. Soil layer settlement probe according to claim 8, characterized in that there is a gap between the slide (121) and the cylinder (112) and the conductive column (13) is vertically arranged in the gap between the slide (121) and the cylinder (112).

10. The soil layer settlement detection system is characterized by comprising a resistance measurement device (2), a probe bracket (3) and the soil layer settlement detection probe (1) as claimed in any one of claims 2 to 9, wherein the probe bracket (3) is fixed on the ground surface, the lower end of the soil layer settlement detection probe (1) vertically penetrates into the ground surface, the upper terminal (111) is placed on the probe bracket (3), and the two connecting terminals are respectively and electrically connected with the two connecting terminals of the detection port of the resistance measurement device (2).

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