CN114295803A

CN114295803A - Inserted detector for urban underground soil detection

Info

Publication number: CN114295803A
Application number: CN202111362784.9A
Authority: CN
Inventors: 王丹丹
Original assignee: Individual
Current assignee: Shaanxi Bairuisi Biotechnology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2041-11-17
Also published as: CN114295803B

Abstract

The invention discloses an inserted detector for detecting urban underground soil, belonging to the field of urban underground environment detection, and the inserted detector for detecting urban underground soil is characterized in that a lifting block and a detecting head are arranged in a shell, the device can protect the detecting head in the process of inserting the device into moist soil, prevent the detecting head from being directly extruded by soil to be damaged, the second air bag is arranged in the accommodating groove, and the inner part of the second air bag is communicated with the first air bag through a pipeline, so that the air bag I can be inflated and expanded by the air pump in the process of inflating the air bag II, thereby extruding the soil around the upper part of the device, under the extrusion effect, increase and assemble the earth extrusion liquid content around being located the below detecting head to the effectual detection accuracy and the comprehensiveness that has promoted the device to containing the material in the moist earth.

Description

Inserted detector for urban underground soil detection

Technical Field

The invention relates to the field of urban underground environment detection, in particular to an insertion type detector for urban underground soil detection.

Background

In the existing urban underground environment detection, the content of urban underground soil is generally determined to avoid the soil containing excessive hazardous components, wherein the instrument used in the detection process is generally called a soil detector.

Soil detector possesses the metal probe usually in the use, through inside inserting the metal probe to soil, with the help of the contact of metal probe and the inside composition of soil, and the inside processing unit of cooperation instrument, can the inside thing that contains of effectual survey soil, soil detector among the prior art can effectually survey the inside thing that contains of soil, however, for the convenience of guarantee metal probe insertion soil for soil detector's probe sets up to the elongated usually, its area of contact with soil is less, leads to the partial condition under the survey comprehensive inadequately.

Therefore, an insertion type detector for detecting the urban underground soil is provided to solve the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an insertion type detector for detecting urban underground soil, which can extrude soil above a detecting head to ensure that extrusion liquid in the soil is fully contacted with the detecting head, so that the accuracy and the comprehensiveness of the device for detecting urban underground soil components are improved to a certain extent, a water outlet pipe is guided to the outer side of a shell, water is supplied by a water pump to moisten the soil in advance, the insertion smoothness of the device is improved, and meanwhile, the sufficient comprehensiveness of the contact between the content in the soil and the detecting head when the soil is extruded is further ensured by pre-infiltrating with clear water.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an urban underground soil detects uses bayonet detector, which comprises an outer shell, the inside slidable mounting of shell has the elevator, and the bottom symmetry form of elevator is fixed with the detecting head, the bottom symmetry of shell has been seted up with the corresponding spy export of two detecting heads, the top fixedly connected with extension bar of shell, and the top of extension bar installs the air pump, the internally mounted of shell has the gasbag I that sets up in the elevator top, and the gas outlet that the top of gasbag I is passed through pipeline and air pump is linked together, the shell is provided with the groove of accomodating into annular structure with the junction of extension bar, and the internally mounted who accomodates the groove has gasbag two, the inside of gasbag two is linked together through pipeline and gasbag one.

Further, the inside of shell rotates and is connected with the shutoff piece that sets up in the detecting head below, and the inside of shutoff piece is seted up to logical groove for loop configuration, and the inside symmetry form that leads to the groove is fixed with the guide block corresponding with two detecting heads, and the top of guide block sets up to the downward sloping structure.

Furthermore, the inside mounting of shell has the spring with lifter bottom fixed connection, the bottom of spring and the top fixed connection of shutoff piece.

Further, a protection sleeve is sleeved on the outer side of the lower end of the shell in a threaded mode, the bottom of the protection sleeve is arranged to be of a hemispherical structure, a plurality of liquid inlet holes are evenly formed in the outer end wall of the protection sleeve in a surrounding mode, and a protection net of a grid structure is arranged on the outer side of each liquid inlet hole in a sleeved mode.

Furthermore, a brush ring is fixedly arranged on the inner end wall of each detection port.

Furthermore, the outer side of the accommodating groove is uniformly provided with a plurality of turning plates in a surrounding mode, the upper ends of the turning plates are rotatably connected with the outer end wall of the lengthening rod, the inner side of the second air bag is fixedly provided with a third air bag, and the joint of the third air bag and the second air bag is provided with through holes communicated with each other.

Furthermore, the outer side of the extension bar is sleeved with an outer frame, inner bars are symmetrically fixed to the bottoms of the left end and the right end of the outer frame, an outer sleeve is sleeved on the outer side of the lower end of each inner bar, and a supporting plate with a T-shaped structure is fixedly installed at the bottom of each outer sleeve.

Furthermore, the outer sleeve is connected with the inner rod in a sliding mode, the inner rod is connected with the screw rod in a threaded mode, and the bottom end of the screw rod is rotatably connected inside the outer sleeve.

Furthermore, the outer end wall of the outer frame is symmetrically fixed with clamping plates clamped outside the extension bar, the left and right ends of the outer frame are internally rotatably connected with a first gear, the outer side of the first gear is meshed with a rack fixedly welded on the outer end wall of the extension bar, a second gear is fixedly mounted on a rotating shaft of the first gear on the left side, a third gear rotatably connected on the outer end wall of the outer frame is meshed with the outer side of the second gear, the third gear is in transmission connection with a gear on the right side through a transmission belt, a servo motor is fixedly mounted on the back of the outer frame, and a driving shaft of the servo motor is fixedly connected with the first gear on the right side.

Furthermore, the top of backup pad fixed mounting has the water pump, and fixed connection is for the outlet pipe of L shape structure on the delivery port of water pump, and the other end of outlet pipe is pressed close to on the outer end wall of shell.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through setting up elevator and detecting head in the inside of shell, can protect the detecting head at the in-process that the device inserted moist soil, avoid the detecting head directly to receive earth extrusion and damage, through installing gasbag two in the inside of accomodating the groove, and be linked together gasbag two's inside through pipeline and gasbag one, make gasbag one aerify the inflation to gasbag two simultaneously by the air pump inflation in-process, thereby extrude the device top earth on every side, under the squeezing action, increase assembles the earth extrusion liquid content around being located below detecting head, thereby effectual the promotion the device to contain the detection accuracy and the wholeness of material in the moist earth.

(2) Through rotating the shutoff piece and connecting in the inside of shell, and the symmetry is fixed with the guide piece corresponding with two detecting heads in the inside logical groove of shutoff piece, can carry out the shutoff to visiting the mouth through shutoff piece and guide piece cooperation, avoid the device to insert the in-process underground earth down and crowd into to the shell inside through visiting the mouth, the effectual job stabilization nature who ensures the device, and simultaneously, the guide through guide piece top downward sloping, make the detecting head move down in-process shutoff piece can carry out rotation regulation, be convenient for ensure shutoff piece and guide piece and open in step when the detecting head is opened exploring the shutoff of mouth, the effectual stability when having ensured the device and using.

(3) Through with spring coupling between elevator block and shutoff piece, reset after supporting and the deformation with the help of the elasticity of spring, can move back into the position of the inside back automatic adjustment shutoff piece of shell at the detecting head, be favorable to the device to recycle, through installing the brush ring on the inner wall of visiting the mouth, can reciprocate the in-process at the detecting head, clean the outer endwall of detecting head to reduce the probability that the foreign matter remains on the detecting head surface.

(4) Through connecting the bottom at the shell with a protection sleeve section of thick bamboo, protection sleeve section of thick bamboo bottom half spherical structure, can promote the smooth and easy nature that the device broke open soil, and simultaneously, the soil extrusion liquid of waiting to detect position department can flow into the inside collection of a protection sleeve section of thick bamboo through the feed liquor hole, so that the device stays the appearance when detecting underground soil, establish the outside in feed liquor hole through the protection network cover with the grid structure, can avoid bold earth to imbed to the downthehole portion of feed liquor, be favorable to guaranteeing inside the smooth and easy inflow protection sleeve section of thick bamboo of soil extrusion liquid, be convenient for ensure the stability of the device when using.

(5) Through setting up the three inboards at gasbag two with gasbag for gasbag two aerifys the expansion back, gasbag three lasts to aerify the inflation and can strengthen the dynamics of soil extrusion downwards around, be favorable to promoting the soil and extrude the inside efficiency of liquid entering protective sleeve section of thick bamboo, and simultaneously, through turning over a plurality of boards and encircle the outside of rotating the connection and accomodating the groove, make to turn over the board and receive to carry out the backstop to the top of gasbag two after the extrusion expansion, guarantee gasbag two aerifys the back and extrudees the inflation downwards, be favorable to guaranteeing the stability of the device during operation.

(6) Through establishing outer frame cover in the outside of extension bar to both ends below is fixed with interior pole and outer sleeve about outer frame, can support the device, simultaneously, through the bottom of fixing the backup pad for T shape structure at the outer sleeve, be favorable to promoting the support stationarity of the device, and step on the mode of backup pad through the foot, can ensure the stability between backup pad and the ground, be favorable to guaranteeing the support stability of the device in the use.

(7) Through the inside with screw rod threaded connection in interior pole, can fix the flexible adjustment between outer sleeve and the backup pad to the device adjusts according to the time actual conditions when using, the effectual convenient stability of use that has promoted the device.

(8) Connect through the meshing between gear two and gear three to connect the driving belt transmission between gear three and the gear that is located the right side, make about two gears one can synchronous relative rotation, simultaneously, through will with the splint fixed mounting that the extension bar outer end wall was laminated mutually on outer frame, restrict the extension bar, ensured to a certain extent that the meshing orders about the stability that the extension bar reciprocated between gear one and the rack.

(9) The upper end laminating through with the outlet pipe is in the outside of shell for when the clear water passes through the outside slow blowout of outlet pipe, can flow downwards along the shell, be favorable to in advance with the operation of wetting urban underground soil of shell below, the more smooth and easy insertion of the device of being convenient for, simultaneously, through humidifying in advance to soil, the material that makes soil inside contain can mix with the clear water, so that the device carries out more accurate detection to soil content.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a front view of the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is a schematic view of the structure at B in FIG. 4;

FIG. 6 is a schematic view of the structure at C in FIG. 5;

FIG. 7 is a schematic view of the structure of FIG. 4 at D;

FIG. 8 is a top view of the present invention;

FIG. 9 is an exploded view of the interior of the housing of the present invention;

FIG. 10 is a schematic view of the structure at E in FIG. 9;

fig. 11 is a top view of a block of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 101. a lifting block; 102. a probe head; 103. detecting an outlet; 104. lengthening a rod; 105. an air pump; 106. a first air bag; 107. a plugging block; 108. a guide block; 109. a spring; 2. a protective sleeve; 201. a liquid inlet hole; 202. a protective net; 3. brushing rings; 4. a receiving groove; 401. a second air bag; 402. a third air bag; 403. turning over a plate; 5. an outer frame; 501. a splint; 502. a first gear; 503. a rack; 504. a second gear; 505. a third gear; 506. a drive belt; 507. a servo motor; 6. an inner rod; 601. an outer sleeve; 602. a support plate; 603. a screw; 7. a water pump; 701. and (5) discharging a water pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-11, an insertion type detector for detecting urban underground soil comprises a housing 1, wherein an elevating block 101 is slidably mounted inside the housing 1, detecting heads 102 are symmetrically fixed at the bottom of the elevating block 101, two detecting heads 102 corresponding to the two detecting heads 103 are symmetrically arranged at the bottom of the housing 1, an extension rod 104 is fixedly connected to the top of the housing 1, an air pump 105 is mounted at the top of the extension rod 104, an air bag I106 arranged above the elevating block 101 is mounted inside the housing 1, the top of the air bag I106 is communicated with an air outlet of the air pump 105 through a pipeline, an accommodating groove 4 with an annular structure is arranged at the joint of the housing 1 and the extension rod 104, an air bag II 401 is mounted inside the accommodating groove 4, and the inside of the air bag II 401 is communicated with the air bag I106 through a pipeline.

Referring to fig. 5 and 11, the inside of the housing 1 is rotatably connected with a blocking block 107 disposed below the detecting head 102, a through groove having an annular structure is formed in the blocking block 107, guide blocks 108 corresponding to the two detecting heads 102 are symmetrically fixed in the through groove, and the top of the guide block 108 is disposed in a downward-inclined structure.

Through rotating the inside of connecting at shell 1 with shutoff piece 107, and the symmetry is fixed with the guide block 108 corresponding with two detecting heads 102 in the inside logical groove of shutoff piece 107, can carry out the shutoff to visiting the mouth 103 through shutoff piece 107 and guide block 108 cooperation, avoid the device to insert the in-process underground earth down and crowd into to shell 1 inside through visiting the mouth 103, the effectual job stabilization who ensures the device, and simultaneously, through the guide of guide block 108 top downward sloping, make detecting head 102 move down in-process shutoff piece 107 can carry out rotation adjustment, be convenient for guarantee shutoff piece 107 and guide block 108 to visiting the shutoff of mouth 103 and open when the detecting head 102 launches in step, the effectual stability when ensureing the device and using.

Referring to fig. 5, a spring 109 fixedly connected with the bottom of the lifting block 101 is installed inside the housing 1, and the bottom end of the spring 109 is fixedly connected with the top of the blocking block 107, when the lifting block 101 moves downwards, the spring 109 connected between the lifting block 101 and the blocking block 107 is compressed, and meanwhile, as the blocking block 107 is driven by the detecting head 102 to rotate, the spring 109 is compressed and twisted in rotation, when the air-releasing operation is performed inside the air bag 106, the pushing movement of the air bag 106 is lost, the spring 109 is reset by elastic deformation, so that the lifting block 101 is pushed upwards, and after the synchronous detecting head 102 exits the through groove formed inside the blocking block 107, the blocking block 107 reversely rotates under the resetting action of the spring 109, the guide block 108 is driven to block the detecting port 103 again, thereby facilitating the recycling of the device, and by connecting the spring 109 between the lifting block 101 and the blocking block 107, by means of the elastic support and the reset after deformation of the spring 109, the position of the blocking block 107 can be automatically adjusted after the probe 102 is retracted into the housing 1, which is beneficial to the recycling of the device.

Referring to fig. 5 and 9-10, the outer side of the lower end of the casing 1 is screwed and connected with the protection sleeve 2, the bottom of the protection sleeve 2 is a hemispherical structure, the outer end wall of the protection sleeve 2 is uniformly surrounded with a plurality of liquid inlet holes 201, and the outer side of the liquid inlet holes 201 is sleeved with the protection net 202 with a grid structure, when the device works, the protection sleeve 2 is connected to the bottom of the casing 1, the hemispherical structure of the bottom of the protection sleeve 2 can improve the smoothness of breaking soil of the device, meanwhile, the soil extrusion liquid at the position to be detected can flow into the protection sleeve 2 through the liquid inlet holes 201 and be collected, so that the device can reserve samples when detecting underground soil, by sleeving the protection net 202 with the grid structure on the outer side of the liquid inlet holes 201, large soil can be prevented from being embedded into the liquid inlet holes 201, thereby being beneficial to ensure that the soil extrusion liquid can smoothly flow into the protection sleeve 2, the stability of the device when using is convenient for guarantee.

Referring to fig. 5, the inner end wall of each probe outlet 103 is fixedly provided with a brush ring 3, when the device works, the outer end wall of the probe 102 is in contact with the brush ring 3 arranged in the probe outlet 103 during the vertical movement of the probe 102, and the brush ring 3 is arranged on the inner end wall of the probe outlet 103, so that the outer end wall of the probe 102 can be wiped during the vertical movement of the probe 102, thereby reducing the probability of foreign matters remaining on the outer surface of the probe 102.

Referring to fig. 6, a plurality of turning plates 403 are uniformly arranged on the outer side of the accommodating groove 4 in a surrounding manner, the upper ends of the turning plates 403 are rotatably connected with the outer end wall of the extension rod 104, an air bag III 402 is fixedly arranged on the inner side of the air bag II 401, and through holes communicated with each other are formed at the joint of the air bag III 402 and the air bag II 401, when the device works, the air bag II 401 pushes the turning plates 403 arranged on the outer side to synchronously expand outwards in the process of inflating and expanding outwards, the upward expansion of the air bag II 401 is limited by the lifting of the turning plates 403, meanwhile, after the air bag II 401 expands outwards, the air bag III 402 arranged on the inner side of the air bag II 401 is turned to the position below the expanded air bag II 401, the air bag III 402 is pressed downwards by continuously inflating the air bag III 402, the efficiency that the extrusion liquid in the surrounding soil flows downwards into the protective sleeve 2 is increased, and the air bag III 402 is arranged on the inner side of the air bag II 401, make two 401 of gasbags aerify the expansion back, three 402 of gasbags continuously aerify the inflation and can strengthen the dynamics of soil extrusion downwards around, be favorable to promoting soil and extrude the inside efficiency of liquid entering protective sleeve 2, simultaneously, encircle the outside of rotating the connection in storage groove 4 through turning over a plurality of boards 403, make to turn over board 403 and receive extrusion expansion back and can carry out the backstop to two 401 of gasbags's top, guarantee two 401 of gasbags extrude the inflation downwards after aerifing, be favorable to guaranteeing the stability of the device during operation.

Referring to fig. 1-3 and 8, an outer frame 5 is sleeved on the outer side of the extension bar 104, inner bars 6 are symmetrically fixed to the bottoms of the left end and the right end of the outer frame 5, an outer sleeve 601 is sleeved on the outer side of the lower end of the inner bar 6, a support plate 602 in a T-shaped structure is fixedly installed at the bottom of the outer sleeve 601, when the device works, the outer frame 5 is sleeved on the outer side of the extension bar 104, the inner bar 6 and the outer sleeve 601 are fixed below the left end and the right end of the outer frame 5, the device can be supported, meanwhile, the support plate 602 in the T-shaped structure is fixed to the bottom of the outer sleeve 601, the support stability of the device is improved, and the support stability between the support plate 602 and the ground can be guaranteed by treading the support plate 602 with feet, so that the support stability of the device in the use process is guaranteed.

Please refer to fig. 4, the outer sleeve 601 is slidably connected with the inner rod 6, the inner thread of the inner rod 6 is connected with the screw 603, and the bottom end of the screw 603 is rotatably connected inside the outer sleeve 601, when the device works, the screw 603 is rotated by a worker, under the driving of the meshing of the threads, the screw 603 is vertically rotated and moved inside the inner rod 6, the inner rod 6 and the outer sleeve 601 are supported, the screw 603 is threadedly connected inside the inner rod 6, the telescopic adjustment between the outer sleeve 601 and the supporting plate 602 can be fixed, so that the device can be adjusted according to the actual situation of the ground in use, and the convenience and stability of the use of the device are effectively improved.

Referring to fig. 1-2 and fig. 7, the outer end wall of the outer frame 5 is symmetrically fixed with clamp plates 501 clamped on the outer side of the extension bar 104, the inner parts of the left and right ends of the outer frame 5 are rotatably connected with gear wheels 502, the outer side of the gear wheel 502 is engaged with a rack 503 fixedly welded on the outer end wall of the extension bar 104, the rotating shaft of the gear wheel 502 on the left side is fixedly provided with a gear wheel 504, the outer side of the gear wheel 504 is engaged with a gear wheel 505 rotatably connected on the outer end wall of the outer frame 5, the gear wheel 505 is in transmission connection with the gear wheel 502 on the right side through a transmission belt 506, the back of the outer frame 5 is fixedly provided with a servo motor 507, and the driving shaft of the servo motor 507 is fixedly connected with the gear wheel 502 on the right side, when the device works, the servo motor 507 is powered on to drive the gear wheel 502 fixedly arranged on the driving shaft to rotate, and is driven through the tooth engagement between the gear wheel 502 and the rack 503, make extension bar 104 remove downwards, be favorable to the device to insert fast inside city underground soil, when one of them gear 502 is rotatory, through the meshing switching-over between two 504 and three 505 gears, and the transmission of driving belt 506 is connected, make two gear 502 about can synchronous relative rotation, simultaneously, through with extension bar 104 outer end wall laminating splint 501 fixed mounting on outer frame 5, restrict extension bar 104, the stability that extension bar 104 reciprocated is ordered about in the meshing between gear 502 and rack 503 has been ensured to a certain extent.

Please refer to fig. 1 and 3, the top fixed mounting of backup pad 602 has water pump 7, and fixed connection is for the outlet pipe 701 of L shape structure on the delivery port of water pump 7, the other end of outlet pipe 701 is pressed close to on the outer end wall of shell 1, the device during operation, the staff is connected the water inlet of water pump 7 with external water supply pipe, the operation of drawing water through water pump 7, make the clear water outwards spout slowly through outlet pipe 701, flow downwards along shell 1, be favorable to in advance wetting operation with the urban underground soil of shell 1 below, be convenient for more smooth and easy the inserting of the device, and simultaneously, through humidifying in advance the soil, make the inside material that contains of soil can mix with the clear water, so that the device carries out more accurate detection to soil content.

Referring to fig. 1, when the device is operated, a worker inserts the device into the underground wet soil to be detected, and then energizes the air pump 105, the air pump 105 is used for filling air into the air bag I106, the air bag I106 is inflated and then expands, the lifting block 101 is pushed downwards, the two detecting heads 102 fixedly arranged at the bottom of the lifting block are driven to downwards extend out from the extending-out opening 103, the urban underground moist soil is detected, meanwhile, when the air pump 105 inflates the interior of the first air bag 106, the second air bag 401 is inflated synchronously, the second air bag 401 is expanded to extrude the soil around the device, after the soil is extruded, the muddy water in the detection head 102 moves downwards and fully infiltrates the outer side of the detection head 102 arranged below, so that the comprehensiveness and the accuracy of the detection head 102 in detecting the internal components of the humid soil are improved to a certain extent.

Through setting up elevator 101 and detecting head 102 in the inside of shell 1, can protect detecting head 102 at the in-process that the device inserted moist soil, it damages to avoid detecting head 102 directly to receive earth extrusion, through installing two 401 gasbags in the inside of accomodating groove 4, and be linked together gasbag one 106 through the pipeline with the inside of two 401 gasbags, make gasbag one 106 receive that air pump 105 aerifys the in-process and can aerify inflation to two 401 gasbags simultaneously, thereby extrude earth around the device top, under the extrusion, the increase assembles the earth extrusion liquid content around being located below detecting head 102, thereby effectual detection accuracy and the comprehensive nature of having promoted the device to containing the material in the moist earth.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an urban underground soil detects uses bayonet detector, includes shell (1), its characterized in that: an elevating block (101) is slidably arranged in the shell (1), detecting heads (102) are symmetrically fixed at the bottom of the elevating block (101), the bottom of the shell (1) is symmetrically provided with probe outlets (103) corresponding to the two probes (102), the top of the shell (1) is fixedly connected with an extension bar (104), an air pump (105) is arranged at the top of the extension bar (104), a first air bag (106) arranged above the lifting block (101) is arranged in the shell (1), the top of the first air bag (106) is communicated with the air outlet of the air pump (105) through a pipeline, a receiving groove (4) with a ring structure is arranged at the joint of the shell (1) and the extension bar (104), and a second air bag (401) is arranged in the accommodating groove (4), and the interior of the second air bag (401) is communicated with the first air bag (106) through a pipeline.

2. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: the inner part of the shell (1) is rotatably connected with a blocking block (107) arranged below the detecting heads (102), a through groove with an annular structure is formed in the blocking block (107), guide blocks (108) corresponding to the two detecting heads (102) are fixed in the through groove in a symmetrical mode, and the top of each guide block (108) is of a downward inclined structure.

3. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: the utility model discloses a sealing device, including shell (1), internally mounted have with lifter block (101) bottom fixed connection's spring (109), the bottom of spring (109) and the top fixed connection of shutoff piece (107).

4. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: the lower extreme outside screw thread of shell (1) has cup jointed protection sleeve (2), and the bottom of protection sleeve (2) sets up to the hemisphere structure, evenly encircle on the outer end wall of protection sleeve (2) and seted up a plurality of feed liquor holes (201), and the outside cover of feed liquor hole (201) is equipped with protection network (202) to the latticed structure.

5. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: and a brush ring (3) is fixedly arranged on the inner end wall of each detection outlet (103).

6. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: the outer side of the accommodating groove (4) is uniformly provided with a plurality of turning plates (403) in a surrounding mode, the upper ends of the turning plates (403) are rotatably connected with the outer end wall of the extension rod (104), the inner side of the second air bag (401) is fixedly provided with a third air bag (402), and the joint of the third air bag (402) and the second air bag (401) is provided with through holes communicated with each other.

7. The inserted detector for detecting the urban underground soil according to claim 1, characterized in that: the outside cover of extension bar (104) is equipped with outer frame (5), and the equal symmetry in both ends bottom about outer frame (5) is fixed with interior pole (6), the lower extreme outside cover of interior pole (6) is equipped with outer sleeve (601), and the bottom fixed mounting of outer sleeve (601) is backup pad (602) into T font structure.

8. The inserted detector for detecting the urban underground soil according to claim 7, characterized in that: the outer sleeve (601) is connected with the inner rod (6) in a sliding mode, a screw rod (603) is connected to the inner portion of the inner rod (6) in a threaded mode, and the bottom end of the screw rod (603) is rotatably connected to the inner portion of the outer sleeve (601).

9. The inserted detector for detecting the urban underground soil according to claim 7, characterized in that: the symmetry is fixed with splint (501) of centre gripping in extension bar (104) outside on the outer end wall of outer frame (5), the both ends internal rotation of controlling of outer frame (5) is connected with gear one (502), and the outside meshing of gear one (502) is connected with rack (503) of fixed welding on extension bar (104) outer end wall, is located the left fixed mounting has gear two (504) on the rotation axis of gear one (502), and the outside meshing of gear two (504) has gear three (505) of rotation connection on outer frame (5) outer end wall, gear three (505) are connected with gear one (502) transmission that is located the right side through drive belt (506), the back fixed mounting of outer frame (5) has servo motor (507), and the drive shaft of servo motor (507) and gear one (502) fixed connection that is located the right side.

10. The inserted detector for detecting the urban underground soil according to claim 7, characterized in that: the top fixed mounting of backup pad (602) has water pump (7), and fixed connection is gone up for L shape structure outlet pipe (701) on the delivery port of water pump (7), on the outer end wall of shell (1) is pressed close to the other end of outlet pipe (701).