CN114592508B - Information-based integrated supervision equipment for geotechnical engineering investigation - Google Patents

Abstract

The invention belongs to the technical field of geotechnical engineering, and particularly relates to informatization integrated monitoring and controlling equipment for geotechnical engineering investigation. The distance sensor is used for detecting the distance between the limiting slide block and the limiting slide block all the time or periodically, so that workers can check and supervise the distance sensor conveniently, and the workers are reminded in time when the distance sensor changes, so that the supervision effect of actual geotechnical engineering management is improved.

Description

An information-based integrated supervision equipment for geotechnical engineering investigation

technical field

The invention relates to the technical field of geotechnical engineering, in particular to an information-based integrated supervision device for geotechnical engineering investigation.

Background technique

Geotechnical engineering is to solve rock mass and soil engineering problems, including foundation and foundation, slope and underground engineering. Geotechnical engineering is of great significance to infrastructure construction and environmental protection. At present, many roads on both sides of the mountain The land is barren and there is no vegetation protection on it, which is very prone to landslides and soil erosion, causing danger to passing vehicles and pedestrians. Therefore, reinforcement and protection of the slope must be carried out.

In the prior art, when the slope is reinforced and protected, the anchor net is usually laid on the side slope, and the anchor net is fixed by a plurality of distributed anchor rods inserted into the slope, so as to use the fixedly laid anchor net to protection, but in fact, when used for a long time, the anchor rods are prone to loosening, which leads to the reduction of the protection of the anchor net. However, the existing technology only relies on manual inspection, and the supervision effect on protection is poor.

Contents of the invention

Based on the technical problems of the background technology, the present invention proposes an information-based integrated supervision device for geotechnical engineering investigation.

An information-based integrated supervision equipment for geotechnical engineering investigation proposed by the present invention includes a bolt, the bottom end of the bolt is provided with a drill bit, the periphery of the bolt is provided with a positioning sleeve, and the outer wall of the drill bit is fixed There is a limit slider slidingly connected to the inner wall of the positioning sleeve, and a plurality of distance sensors are fixed on the inner wall of the positioning sleeve above the limit slider. The top of the positioning sleeve is provided with a limit portion, and the limit The outer diameter of the part gradually increases upwards, and the inner side of the limiting part is provided with a receiving chamber, and a microprocessor and a signal transmitter are arranged in the receiving cavity, and the position corresponding to the inner wall of the limiting part and the receiving cavity can be adjusted. Remove the connected cover.

Preferably, the inner wall of the accommodating chamber is fixed with pressure sensors distributed in an annular array, and the outer wall of the cover plate is provided with perforations at positions corresponding to the pressure sensors, and the part of the pressure sensor that detects pressure protrudes out of the perforations.

Preferably, a groove is provided at the position corresponding to the perforation on the outer wall of the cover plate, and the groove is set as a closed ring that wraps the perforation inside, and the width of the ring gradually increases from bottom to top, and the width of the groove is A downwardly recessed arc-shaped structure is provided at the middle position of the top end.

Preferably, a positioning ring is fixed on the inner wall of the positioning sleeve at a position below the sensor, the outer wall of the positioning ring is provided with a threaded strip, and the outer wall of the limit slider is provided with a threaded groove matching the threaded strip , the top of the anchor rod is fixed with a cover plate, and the outer periphery of the top of the cover plate is provided with a circular array of stable slots, and the position corresponding to the top of the limiting part is provided with a card slot, and the positioning sleeve A clamping piece is arranged above the horizontal plate, and the clamping piece is provided with a horizontal plate and a circularly distributed clamping strip located below the horizontal plate, and the clamping strip is adapted to the stable groove and the clamping groove.

Preferably, the top of the outer wall of the anchor rod is located below the cover plate and a connecting ring is fixed, the peripheral outer wall of the connecting ring is provided with a ring-shaped connecting groove, and the outer diameter of the top end of the connecting ring is smaller than the outer diameter of the bottom end , the circumferential inner wall of the connection groove is fixed with a plurality of contact pieces, and the contact pieces are provided with a fixing portion of a rod-shaped structure, an extension portion is fixed at an end of the fixing portion away from the connection groove, and the periphery of the extension portion is fixed with A plurality of counter-pressure portions inclined to the side close to the inner wall of the connecting groove.

Preferably, the outer wall of the positioning sleeve is located above the distance sensor and is provided with a plurality of through holes, the inner wall of the positioning sleeve is fixed at the position corresponding to the through hole, and a mounting tube is fixed, and the inner wall of the positioning sleeve slides between the inner wall of the through hole. A horizontally placed auxiliary needle bar is connected, and a pushing mechanism is provided at a position corresponding to the outer wall of the anchor bar and the auxiliary needle bar, and the auxiliary needle bar moves horizontally outwards with the downward movement of the pushing mechanism and the anchor bar.

Preferably, the pushing mechanism is provided with a fixed ring that is rotatably connected to the outer wall of the anchor rod through a bearing, and the outer wall of the fixed ring is fixed with a limit moving part corresponding to the auxiliary needle bar, and the limit moving part is close to the auxiliary needle. A limiting groove is provided on one side of the outer wall of the rod, and one end of the auxiliary needle bar slides in a limited position with the inner wall of the limiting groove. and the second vertical portion, the inclined portion is inclined upward toward the side close to the corresponding auxiliary needle bar.

Preferably, the top of the peripheral outer wall of the drill bit is provided with contact grooves distributed in an annular array, the width of the contact grooves gradually decreases downward and inward, and an arc-shaped edge is formed on the edge of the contact groove away from the anchor rod Auxiliary slot for the structure.

Preferably, a contact cavity is provided at the top of the drill bit between two adjacent contact grooves, and the inner wall of the contact cavity away from the anchor rod is arranged in an outwardly arched arc structure.

Preferably, the bottom end of the circumferential inner wall of the positioning sleeve is provided with slots distributed in an annular array, the slots are arranged obliquely to the axis of the positioning sleeve, and the width of the slots gradually decreases downwards, The inner wall of the positioning sleeve is provided with an auxiliary hole at a position between the through grooves, and the inner diameter of the auxiliary hole gradually decreases on the side away from the axis of the positioning sleeve.

Beneficial effects among the present invention are:

In the embodiment of the present invention, the drill bit at the bottom end of the anchor rod is first fitted to the bottom end of the positioning sleeve, and the positioning sleeve and the drill bit are drilled or nailed into the slope at the same time, so that the top end of the stopper on the positioning sleeve Close to the slope surface, at this time the limit slider is located at the bottom of the sensor and at a close distance, then fix the anchor net at the top of the anchor rod, and then drill or nail the anchor rod downward to make the drill bit under the anchor rod disengage The positioning sleeve continues downward, and at the same time, the fixed point between the top of the anchor rod and the anchor net enters downward into the positioning sleeve. The fixed position extends into the positioning sleeve for protection to improve the effectiveness of long-term protection. On the other hand, through the separation of the anchor rod and the positioning sleeve, the limit slider is kept away from the distance sensor, and is used after the anchor rod is positioned. The distance sensor, microprocessor and signal transmitter upload the positioning distance to the cloud platform. When the anchor net is loose and the slope collapses and expands the anchor net outward, the anchor rod will be separated outward to make the distance between the limit slider and the distance sensor When the slope surface collapses and shrinks inwardly, the positioning sleeve moves downward to reduce the distance between the distance sensor and the limit slider, so that the distance sensor can be used to continuously or periodically detect the distance between the limit slider and the limit slider. distance, so that the staff can quickly check and supervise, and remind the staff in time when there is a change, so as to improve the supervision effect of the actual geotechnical engineering management.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a kind of geotechnical engineering investigation information integrated supervision equipment proposed by the present invention;

Fig. 2 is a schematic cross-sectional structure diagram of an information-based integrated supervisory equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 3 is a schematic diagram of the connecting ring structure of a kind of geotechnical engineering investigation information integrated supervision equipment proposed by the present invention;

Fig. 4 is a schematic diagram of the contact piece structure of an information-based integrated supervision device for geotechnical engineering investigation proposed by the present invention;

Fig. 5 is a schematic diagram of the cover plate structure of an information-based integrated supervision equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 6 is a structural schematic diagram of a limit moving part of a geotechnical engineering investigation information-based integrated supervision device proposed by the present invention;

Fig. 7 is a schematic diagram of a drill bit structure of an information-based integrated supervisory equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 8 is a schematic diagram of a contact chamber structure of an information-based integrated monitoring device for geotechnical engineering investigation proposed by the present invention;

Fig. 9 is a schematic diagram of the slotting structure of an information-based integrated supervision equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 10 is a schematic diagram of the initial state structure of the anchor rod and the positioning sleeve of an information-based integrated supervision equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 11 is a schematic diagram of the detachment structure between the limit slider and the positioning ring of a kind of information integrated supervision equipment for geotechnical engineering investigation proposed by the present invention;

Fig. 12 is a schematic diagram of the end state structure of the bolt and the positioning sleeve of an information-based integrated supervision equipment for geotechnical engineering investigation proposed by the present invention.

In the figure: 1 positioning sleeve, 101 limit ring, 2 anchor rod, 3 drill bit, 4 limit slider, 5 distance sensor, 6 limit part, 601 card slot, 7 accommodation cavity, 8 cover plate, 801 perforation, 9 Connection ring, 901 Connection groove, 10 Cover plate, 1001 Stability groove, 11 Positioning ring, 12 Pressure sensor, 13 Groove, 14 Contact piece, 15 Fixed part, 16 Extended part, 17 Counter pressure part, 18 Fixed ring, 19 Limiting moving part, 1901 first vertical part, 1902 inclined part, 1903 second vertical part, 20 limit groove, 21 through hole, 22 installation cylinder, 23 auxiliary needle bar, 24 contact groove, 25 auxiliary groove, 26 Contact chamber, 27 through slots, 28 auxiliary holes, 29 clips.

Detailed ways

Example 1

Referring to Fig. 1-Fig. 2, an information-based integrated supervision equipment for geotechnical engineering investigation includes an anchor rod 2, a drill bit 3 is arranged at the bottom end of the anchor rod 2, a positioning sleeve 1 is arranged on the periphery of the anchor rod 2, and a drill bit 3 The outer diameter of the top is the same as the outer diameter of the positioning sleeve 1, the outer wall of the drill bit 3 is fixed with a limit slider 4 that is slidably connected to the inner wall of the positioning sleeve 1, and the bottom of the positioning sleeve 1 inner wall is fixed with a limit ring 101. The inner wall of the ring 101 is slidingly connected with the outer wall of the anchor rod 2, and the inner wall of the positioning sleeve 1 is fixed above the limit slider 4 with a plurality of distance sensors 5 fixed thereon. The outer diameter of the outer diameter gradually increases upwards, and the inner side of the limiting part 6 is provided with an accommodation cavity 7, and a microprocessor and a signal transmitter are arranged in the accommodation cavity 7, and the inner wall of the circumference of the limiting part 6 is detachably connected to the position corresponding to the accommodation cavity 7 There is a cover plate 8. In actual use, the drill bit 3 at the bottom of the anchor rod 2 is first fitted to the bottom of the positioning sleeve 1, and the positioning sleeve 1 and the drill bit 3 are drilled or nailed into the slope at the same time, so that the positioning The top of the limit part 6 on the sleeve 1 is close to the slope surface, and the limit slider 4 is located at a short distance below the sensor 5, and then the anchor net is fixed at the top of the anchor rod 2, and then drilled down. Or nail the anchor rod 2, make the drill bit 3 under the anchor rod 2 break away from the positioning sleeve 1 and continue downward, and at the same time make the fixed point between the top of the anchor rod 2 and the anchor net enter into the positioning sleeve 1 downwards. The rod 2 continues to tighten the anchor net to improve the protection effect, and the fixed position of the anchor net is extended into the positioning sleeve 1 for protection to improve the effectiveness of long-term protection. On the other hand, the anchor rod 2 The separation from the positioning sleeve 1 makes the limit slider 4 far away from the distance sensor 5, and after the anchor rod 2 is positioned, the distance sensor 5, the microprocessor and the signal transmitter are used to upload the positioning distance to the cloud platform. When the slope collapses and expands the anchor net outward, the anchor rod 2 is separated from the outside so that the distance between the limit slider 4 and the distance sensor 5 is reduced. When the slope surface collapses and shrinks inward, the positioning sleeve 1 moves downward The displacement reduces the distance between the distance sensor 5 and the limit slider 5, so that the distance sensor 5 is used to detect the distance with the limit slider 4 all the time or periodically, so that the staff can quickly check and supervise, and when changing Remind the staff in time, so as to improve the supervision effect of the actual geotechnical engineering management.

Referring to FIG. 2 , in the present invention, pressure sensors 12 distributed in an annular array are fixed on the inner wall of the housing cavity 7 , and a perforation 801 is opened on the outer wall of the cover plate 8 at a position corresponding to the pressure sensor 12 , and the pressure sensor 12 protrudes from the perforation 802 for detecting pressure. In actual use, when the fixed position of the anchor net and the anchor rod 2 moves downward and extends into the positioning sleeve 1, the anchor net on the periphery of the fixed position is attached to the outer wall position of the cover plate 8, so that the anchor net is in the fixed position. The periphery is tightly pressed against the end of the pressure sensor 12 to detect the pressure, and the detection data is uploaded to the cloud platform for real-time supervision. When the fixed point of the anchor net breaks or the anchor rod 2 and the positioning sleeve 1 are separated or sink as a whole, the corresponding position And the pressure signal of the surrounding position will be changed to remind the staff to carry out maintenance or replace the anchor rod in time, thereby improving the supervision effect of the actual geotechnical engineering slope protection.

Referring to Fig. 5, in the present invention, a groove 13 is provided at the position corresponding to the outer wall of the cover plate 8 and the perforation 801. The groove 13 is arranged as a closed ring that wraps the perforation 801 inside. The width of the ring gradually increases from bottom to top, and the groove 13 The middle position of the top of the groove 13 is provided with a downward concave arc structure, so that in actual use, the anchor net is attached to the outer wall of the cover plate 8, and when the fixed point of the anchor net is broken, the anchor net will shrink outwards, And drive the airflow change in the groove 13, use the width change of the groove 13 and the opening of the middle position of the top, make the airflow at the top groove 13 shrink faster and attract inwardly, so as to reduce the shrinkage of the anchor net and ensure the pressure The detection response time of the sensor 12 can ensure the actual supervision effect.

Example 2

Embodiment 2 includes all the structures and methods of Embodiment 1. Referring to FIG. 2 , an information-based integrated supervision device for geotechnical engineering investigation also includes a positioning ring fixed at the position below the distance sensor 5 on the inner wall of the positioning sleeve 1 11. The outer wall of the positioning ring 11 is provided with a threaded strip, the outer wall of the limit slider 4 is provided with a threaded groove suitable for the threaded strip, the top end of the anchor rod 2 is fixed with a cover plate 10, and the periphery of the top of the cover plate 10 is provided with a The stabilizing slots 1001 distributed in an annular array, the position corresponding to the top of the limiting part 6 and the stabilizing slots 1001 are provided with a card slot 601, the upper part of the positioning sleeve 1 is provided with a clamping piece 29, and the clamping piece 29 is provided with a horizontal plate and is located in the horizontal The clamping strips distributed circularly under the plate are adapted to the stable groove 1001 and the clamping groove 601. In actual use, in the initial state, referring to FIG. 10, the limit slider 4 is screwed to the positioning ring 11, so as to facilitate The anchor rod 2 and the positioning sleeve 1 are drilled or nailed into the slope at the same time, and then the limit slider 4 is separated from the positioning ring 11 by rotating the anchor rod 2. Referring to Figure 11, the fixed position of the top of the anchor rod 2 is in line with The outer wall of the slope is flush, and the anchor net is fixed on the anchor rod 2 for easy installation, and then drilled down or nailed into the anchor rod 2 for fixing. Referring to Figure 12, the fixed position of the anchor net and the anchor rod 2 is Down to tighten the anchor net, and use the cover plate 10 to limit and block, thereby improving the stable use of the actual slope protection.

Referring to Fig. 3-Fig. 4, in the present invention, the top of the outer wall of the anchor rod 2 is located at the lower position of the cover plate 10, and a connecting ring 9 is fixed thereon. The outer diameter is smaller than the outer diameter of the bottom end. In the initial state, the connecting ring 9 is located above the top of the positioning sleeve 1. When in use, the anchor net is fixed on the connecting ring 9. A plurality of contact pieces 14 are fixed on the inner wall of the connecting groove 901. The contact piece 14 is provided with a rod-shaped fixing portion 15, and an extension portion 16 is fixed at one end of the fixing portion 15 away from the connection groove 901. The outer diameter of the extension portion 16 is larger than that of the fixing portion 15, and the outer periphery of the extension portion 16 is fixed with A plurality of back pressure parts 17 inclined towards the inner wall side of the connecting groove 901, and when fixing the anchor net and rotating the anchor rod 2, the anchor net is partially wound on the contact piece 14, and the back pressure part 17 is used to raise the anchor net. Fixed stability to avoid loosening to improve the stability of the actual slope protection.

Example 3

Referring to Fig. 2 and Fig. 6, an information-based integrated supervision device for geotechnical engineering investigation, on the basis of Embodiment 2, also includes that the outer wall of the positioning sleeve 1 is located above the distance sensor 5 and has a plurality of through holes 21 , the position corresponding to the inner wall of the positioning sleeve 1 and the through hole 21 is fixed with the installation cylinder 22, and the auxiliary needle bar 23 placed horizontally is slidably connected between the inner wall of the installation cylinder 22 and the inner wall of the through hole 21, and the outer wall of the anchor rod 2 and the auxiliary needle bar 23 The corresponding position is provided with a pushing mechanism, and the auxiliary needle bar 23 moves horizontally outwards along with the downward movement of the pushing mechanism and the anchor rod 2 .

Referring to Fig. 6, in the present invention, the outer wall of the fixed ring 18 is fixed with a limit moving part 19 corresponding to the auxiliary needle bar 23, the limit moving part 19 is spaced apart from the distance sensor 5, and the limit moving part 19 is close to the auxiliary needle bar One side outer wall of 23 is provided with limiting groove 20, and one end of auxiliary needle bar 23 and the inner wall limit sliding of limiting groove 20, the both sides of limiting groove 20 are provided with limiting edge, and auxiliary needle bar 23 is close to limiting groove 20 One end of one end is provided with a slider whose width is greater than the distance between the two limiting edges, and the limiting moving part 19 is provided with a first vertical part 1901, an inclined part 1902 and a second vertical part 1903 distributed sequentially from bottom to top , the inclined part 1902 is inclined upward toward the side close to the corresponding auxiliary needle bar 23. In the initial state, when the limit slider 4 is screwed to the positioning ring 11, the end of the auxiliary needle bar 4 close to the anchor rod 2 is in the first vertical part. The bottom end of 1901, when the anchor rod 2 rotates, the fixed ring 18 and the anchor rod 2 are relatively rotated by the auxiliary needle bar 4 to limit the limit moving part 19, that is, the fixed ring 18 and the limit moving part 19 only follow the anchor The rod 2 descends without rotation, and after the limit slider 4 breaks away from the positioning ring 11, one end of the auxiliary needle bar 23 starts to move along the inclined part 1902, so that the auxiliary needle bar 23 is continuously stretched out horizontally for auxiliary support, Therefore, the stability of the positioning sleeve 1 after being fixed in the slope is increased, so as to improve the overall stability and firmness of the slope protection device.

Example 4

With reference to Fig. 7, a kind of geotechnical engineering investigation is used informationization integrated supervisory equipment, on the basis of embodiment 2, also includes, the top of drill bit 3 circumference outer wall is provided with the contact groove 24 that annular array distributes, and the width of contact groove 24 Decreasing downwards and inwards, the edge of the contact groove 24 away from the anchor rod 2 is provided with an arc-shaped auxiliary groove 25, so that after the anchor rod 2 is drilled into the slope, the inclined surface of the contact groove 24 can be used. And the gap of the contact groove 24, to increase the resistance and stability of the drill bit 3 in the direction perpendicular to the axis, so as to avoid the excessive tilt of the anchor rod 2 and affect the stability of the overall protection.

Referring to Fig. 8, in the present invention, a contact cavity 26 is provided at the top of the drill bit 3 between two adjacent contact grooves 24, and the inner wall of the contact cavity 26 away from the anchor rod 2 is arranged in an outwardly arched arc structure. , in actual use, after the limit slider 4 breaks away from the positioning ring 11, the distance from one end of the anchor rod 2 is lowered and then raised partly to squeeze the top end of the drill bit 3 and the bottom end of the positioning sleeve 1 through reciprocating motion in the vertical direction. The soil between them is squeezed inward by the outer arc surface of the contact cavity 26, thereby increasing the stability of the soil between the positioning sleeve 1 and the drill bit 3, so as to improve the firmness of the overall slope protection device.

Referring to Fig. 9, in the present invention, the bottom end of the circumferential inner wall of the positioning sleeve 1 is provided with a circular array of through grooves 27, which are arranged obliquely between the through grooves 27 and the axis of the positioning sleeve 1, and the width of the through grooves 27 is downward. The inner wall of the positioning sleeve 1 is located between the slots 27 and an auxiliary hole 28 is provided. The inner diameter of the auxiliary hole 28 gradually decreases on the side away from the axis of the positioning sleeve 1. In actual use, the drill bit 3 When the reciprocating movement in the vertical direction squeezes the soil, cooperate with the groove 27 to make the position of the positioning sleeve 1 under the limit ring 101 continuously enter the soil, and cooperate with the groove 27 and the auxiliary hole 28 to make the soil gradually compacted, thereby Improve the stability and firmness of inserting and fixing the positioning sleeve 1 to improve the stability and firmness of the actual anchor net protection.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. An information-based integrated supervision equipment for geotechnical engineering investigation, comprising an anchor rod (2), the bottom end of the anchor rod (2) is provided with a drill bit (3), characterized in that the anchor rod (2) A positioning sleeve (1) is arranged on the periphery of the anchor rod (2), and a limit slider (4) that is slidably connected to the inner wall of the positioning sleeve (1) is fixed on the outer wall of the anchor rod (2), and the inner wall of the positioning sleeve (1) A plurality of distance sensors (5) are fixed above the limit slider (4), the top of the positioning sleeve (1) is provided with a limit portion (6), and the outer diameter of the limit portion (6) is upward The square gradually increases, the inner side of the limiting part (6) is provided with a housing chamber (7), and a microprocessor and a signal transmitter are arranged in the housing chamber (7), and the inner wall of the limiting part (6) A cover plate (8) is detachably connected to the position corresponding to the accommodation cavity (7), the inner wall of the accommodation cavity (7) is fixed with a ring array of pressure sensors (12), and the outer wall of the cover plate (8) is connected to the pressure sensor (12) A perforation (801) is opened at the corresponding position, and the part of the pressure sensor (12) that detects the pressure extends out of the perforation (801); firstly, the drill bit (3) at the bottom end of the anchor rod (2) fits the positioning sleeve ( 1), so that the positioning sleeve (1) and the drill bit (3) are drilled or nailed into the slope at the same time, so that the top of the limit part (6) on the positioning sleeve (1) is close to the slope surface , and then fix the anchor net at the top of the anchor rod (2), and then drill or nail the anchor rod (2) downward, so that the drill bit (3) under the anchor rod (2) is separated from the positioning sleeve (1) to continue Downward, at the same time make the fixing point of the top of the anchor rod (2) and the anchor net go down into the positioning sleeve (1). 2. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 1, characterized in that, grooves (13) are opened on the outer wall of the cover plate (8) corresponding to the perforation (801), The groove (13) is set as a closed ring that wraps the perforation (801) inside, and the width of the ring gradually increases from bottom to top, and the middle position of the top of the groove (13) is provided with a downwardly recessed Arc structure. 3. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 1, characterized in that a positioning ring (11) is fixed on the inner wall of the positioning sleeve (1) below the distance sensor (5) ), the outer wall of the positioning ring (11) is provided with a threaded strip, the outer wall of the limit slider (4) is provided with a threaded groove matching the threaded strip, and the top end of the anchor rod (2) is fixed with A cover plate (10), the outer periphery of the top of the cover plate (10) is provided with a circular array of stable slots (1001), and the top of the limiting part (6) is provided with a card slot at a position corresponding to the stable slot (1001) (601), the clamping piece (29) is provided above the positioning sleeve (1), and the clamping piece (29) is provided with a horizontal plate and a circularly distributed clamping strip located below the horizontal plate, the clamping The connection bar is compatible with the stabilizing groove (1001) and the card groove (601). 4. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 3, characterized in that, the top of the outer wall of the anchor rod (2) is located below the cover plate (10) and is fixed with a connecting ring (9 ), the peripheral outer wall of the connecting ring (9) is provided with a connecting groove (901) of annular structure, the outer diameter of the top end of the connecting ring (9) is smaller than the outer diameter of the bottom end, and the connecting groove (901) A plurality of contact pieces (14) are fixed on the circumferential inner wall, and the contact piece (14) is provided with a fixing part (15) of a rod-shaped structure, and an extension part is fixed at the end of the fixing part (15) away from the connecting groove (901) (16), the outer periphery of the extension part (16) is fixed with a plurality of counter-pressure parts (17) inclined towards the side close to the inner wall of the connecting groove (901). 5. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 1, characterized in that the outer wall of the positioning sleeve (1) is located above the distance sensor (5) and has a plurality of through holes ( 21), the position corresponding to the inner wall of the positioning sleeve (1) and the through hole (21) is fixed with the installation cylinder (22), and the inner wall of the installation cylinder (22) is slidingly connected with the inner wall of the through hole (21). Placed auxiliary needle bar (23), the position corresponding to the outer wall of the anchor bar (2) and the auxiliary needle bar (23) is provided with a pushing mechanism, and the auxiliary needle bar (23) moves along with the pushing mechanism and the anchor bar (2) downward movement and horizontal outward movement. 6. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 5, characterized in that the pushing mechanism is provided with a fixed ring (18) that is rotatably connected to the outer wall of the bolt (2) through a bearing, The outer wall of the fixed ring (18) is fixed with a limit moving part (19) corresponding to the auxiliary needle bar (23). Limiting groove (20), one end of the auxiliary needle bar (23) and the inner wall of the limiting groove (20) limit sliding, the limiting moving part (19) is provided with first The vertical part (1901), the inclined part (1902) and the second vertical part (1903), the inclined part (1902) is inclined upward toward the side close to the corresponding auxiliary needle bar (23). 7. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 1, characterized in that, the top of the peripheral outer wall of the drill bit (3) is provided with contact grooves (24) distributed in an annular array, and the The width of the contact groove (24) gradually decreases downward and inward, and an arc-shaped auxiliary groove (25) is opened on the edge of the contact groove (24) away from the anchor rod (2). 8. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 7, characterized in that, the top of the drill bit (3) is located between two adjacent contact grooves (24) and has a contact A cavity (26), the inner wall of the contact cavity (26) away from the anchor rod (2) is arranged in an outwardly arched arc structure. 9. The information-based integrated supervision equipment for geotechnical engineering investigation according to claim 8, characterized in that, the bottom end of the inner wall of the positioning sleeve (1) is provided with a circular array of through grooves (27) , the slot (27) is inclined to the axis of the positioning sleeve (1), the width of the slot (27) decreases gradually downwards, and the inner wall of the positioning sleeve (1) is located in the slot An auxiliary hole (28) is opened at the position between (27), and the inner diameter of the auxiliary hole (28) gradually decreases on the side away from the axis of the positioning sleeve (1).

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