Advanced horizontal drilling while-drilling real-time karst cave detection device

Abstract

The utility model relates to the technical field of advanced forecasting in tunnel construction, and discloses an advanced horizontal drilling real-time karst cave detection while drilling device which comprises a shell, the rear side of the top wall of the shell is fixedly connected with a fixing shell, the inner bottom wall of the fixing shell is fixedly connected with a connecting plate, and the right side of the connecting plate is fixedly connected with an oscillating cylinder. The left end of the oscillating cylinder is fixedly connected with a rotating shell, the front side of the rotating shell is fixedly connected with a rotating rod, the front end of the rotating rod is rotatably connected with a protection plate through a torsional spring, the inner wall of the protection plate is fixedly connected with a plurality of mounting shells at equal intervals, and mounting grooves are formed in the mounting shells. According to the utility model, the rotating rod drives the protection plate which is rotatably connected through the torsion spring to swing downwards, so that the protection plate can protect the laser scanner and the sound wave detector under the clamping of the plurality of locking grooves and the front side of the protection plate, the service life of equipment is prolonged, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of advanced prediction technology in tunnel construction, especially relates to a device for real -time detection of karst cave in advanced horizontal drilling while drilling. BACKGROUND

[0002] The advanced prediction in tunnel construction refers to that before tunnel excavation and in the tunnel excavation process, the geological conditions in front of the tunnel face are detected and analyzed through various technical means, so that the change of geological conditions is known in advance, accurate geological information is provided for construction, the construction scheme is adjusted in time, the construction safety and engineering quality effect are ensured, thereby the professional equipment for real -time detection of karst cave existence and related information in the process of advanced horizontal drilling is used.

[0003] Through the search, the patent publication number of China is CN208383083U, which discloses a device for real -time detection of karst cave in advanced horizontal drilling while drilling, the end of the drill rod pivot is equipped with a drill bit sleeve, the drill rod pivot and the drill bit sleeve are supported through the bearing, the drill rod pivot is connected with the drill bit, and the drill bit is arranged at the end of the drill bit sleeve;Two inner grooves are symmetrically arranged on the drill bit sleeve, and a three-dimensional laser scanner and a sound wave detector are respectively arranged in the two inner grooves. The utility model discloses when the tunnel construction advanced horizontal drilling, the detection integrated device for detecting the surrounding rock condition of the drill hole, the geometric shape of the karst cave and the filling condition is used with the advanced horizontal drilling machine, which is mainly used for detecting the surrounding rock condition in the karst cave in front of the tunnel and the geometric shape and filling condition of the karst cave, and sending the detection data to the data transmission device, compared with the traditional tunnel advanced horizontal drilling technology, the utility model improves the utilization efficiency of the advanced horizontal drilling;But in actual use, the device detects work through the three-dimensional laser scanner and the sound wave detector, since it does not have a protection structure, the equipment will be impacted by the broken stone or other particulate matter during use, thereby affecting the accuracy of the detection result and reducing the detection effect. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a device for real -time detection of karst cave in advanced horizontal drilling while drilling, which aims at improving the problem that the equipment will be impacted by the broken stone or other particulate matter in the prior art, thereby affecting the accuracy of the detection result and reducing the detection effect.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of advanced horizontal drilling while drilling real-time detection karst cave device, including shell, the top wall rear side of the shell is fixedly connected with fixed shell, the inner bottom wall of the fixed shell is fixedly connected with connecting plate, the right side of the connecting plate is fixedly connected with swing air cylinder, the left end of the swing air cylinder is fixedly connected with rotating shell, the front side of the rotating shell is fixedly connected with rotating rod, the front end of the rotating rod is rotatably connected with protective plate by torsion spring, the inner wall of the protective plate is equidistantly fixedly connected with multiple installation shells, the inside of the installation shell is equipped with installation groove, the top wall middle part of the shell is fixedly connected with two laser scanners, the top wall middle part left side of the shell is fixedly connected with sound wave detector, the top wall front side of the shell is equidistantly equipped with multiple locking grooves, the bottom of the protective plate is respectively engaged with corresponding locking groove, the inner wall of the shell is fixedly installed with drilling equipment, the inner wall left side of the fixed shell is provided with blowing mechanism.

[0006] Through the above technical scheme: make under the start of swing air cylinder, rotating shell and rotating rod synchronous rotation, so that rotating rod drives the protective plate connected by torsion spring to swing downward, reach the protection of laser scanner and sound wave detector, simultaneously under the connection of installation shell and installation groove, reach the purpose of installing elastic protective net, reach the purpose of further protecting equipment, improve the service life of equipment.

[0007] As further description of the above technical scheme:

[0008] The blowing mechanism includes air blower, the left side of the air blower is fixedly connected on the inner wall left side of the fixed shell, the front side top of the air blower is communicated with conveying pipe, the front end of the conveying pipe is communicated with multi-hole nozzle, the bottom wall of the protective plate is equipped with recess, the outer wall of the multi-hole nozzle is fixedly connected on the inner top wall of the protective plate, the front side bottom end of the air blower is communicated with connecting pipe, the right end of the connecting pipe is communicated with heat dissipation spray pipe.

[0009] Through the above technical scheme: make the air flow of extraction complete conveying through conveying pipe and connecting pipe, and then the air flow of top path is sprayed through multi-hole nozzle, complete the blowing of particle falling on the top of protective net, reduce the accumulation of particle impurities, and the air flow of right side path is sprayed through heat dissipation spray pipe, and then the effect of heat dissipation of equipment in fixed shell is achieved, improve the service life of equipment.

[0010] As further description of the above technical scheme:

[0011] The blowing mechanism further includes rubber ring, the inner wall of the rubber ring is fixedly installed on the outer wall front end of the conveying pipe, and the outer wall of the rubber ring is fixedly connected on the rear side of the protective plate.

[0012] Through the above technical scheme: make in the connection of rubber ring, reach to the protection of the purpose of the connecting place of the conveying pipe.

[0013] As a further description of the above technical scheme:

[0014] The right side of the shell is fixedly connected with a control switch, and the control switch is electrically connected with the swing cylinder, the laser scanner, the sound wave detector, the drilling equipment and the air blower respectively.

[0015] Through the above technical scheme: make in the connection of control switch, complete the individual opening and closing of the equipment.

[0016] As a further description of the above technical scheme:

[0017] The left and right ends of the front side of the outer wall of the drilling equipment are fixedly connected with cutting plates, and the rear side of the fixed shell is fixedly connected with a heat dissipation plate.

[0018] Through the above technical scheme: make in the fixed connection of cutting plate, improve the effect of soil drilling exploration.

[0019] As a further description of the above technical scheme:

[0020] The left and right rear ends of the shell are fixedly connected with mounting plates, and a plurality of positioning grooves are formed in the front side of the mounting plate.

[0021] Through the above technical scheme: make through the connection of mounting plate and positioning groove, it is convenient to fix and install the device.

[0022] As a further description of the above technical scheme:

[0023] The left side of the shell is fixedly connected with a handle, and the middle part of the handle is fixedly connected with a rubber sleeve.

[0024] Through the above technical scheme: make in the connection of rubber sleeve, improve the anti-skid effect of handle when using.

[0025] As a further description of the above technical scheme:

[0026] The front side of the shell is fixedly connected with a protective shell, and the outer wall of the protective shell is designed to be smooth.

[0027] Through the above technical scheme: in the connection of protective shell, improve the protection of the internal part of the drilling equipment.

[0028] The utility model has the advantages of:

[0029] 1. The utility model discloses a swing cylinder is started to make the synchronous rotation of the rotation shell and the rotation rod, and the rotation rod drives the protective plate connected through the torsional spring to swing down, so that the protection plate completes the protection of laser scanner and sound wave detector under the clamping of multiple locking grooves and the front side of protective plate, and under the connection of installation shell and installation groove, the installation of elastic protective net is completed, the purpose that further protection equipment is reached, the service life of equipment is improved, and the accuracy of detection is increased.

[0030] 2. The utility model discloses through the starting of air blower, the airflow of extraction is transported through the conveying pipe and the connecting pipe, and then the airflow of top path is transported through the porous shower head, and the blowing of the particle falling on the top of protective net is completed, the accumulation of particle impurity is reduced, and the airflow of right side path is completed spraying through the heat dissipation spray pipe, and then the effect of heat dissipation of the equipment in fixed shell is reached. DRAWINGS

[0031] Figure 1 It is the perspective view of the device for real-time detection of karst cave in advance horizontal drilling while drilling that the utility model proposes;

[0032] Figure 2 It is the front view of the device for real-time detection of karst cave in advance horizontal drilling while drilling that the utility model proposes;

[0033] Figure 3 It is the plan view of the device for real-time detection of karst cave in advance horizontal drilling while drilling that the utility model proposes;

[0034] Figure 4 It is the structure schematic view of the protective plate of the device for real-time detection of karst cave in advance horizontal drilling while drilling that the utility model proposes;

[0035] Figure 5 It is the schematic view of the blowing mechanism of the device for real-time detection of karst cave in advance horizontal drilling while drilling that the utility model proposes.

[0036] Legend:

[0037] 1, shell, 2, blowing mechanism, 201, air blower, 202, conveying pipe, 203, porous shower head, 204, recess, 205, connecting pipe, 206, heat dissipation spray pipe, 207, rubber ring, 3, fixed shell, 4, connecting plate, 5, swing cylinder, 6, rotation shell, 7, rotation rod, 8, protective plate, 9, installation shell, 10, installation groove, 11, locking groove, 12, laser scanner, 13, sound wave detector, 14, drilling equipment, 15, cutting plate, 16, heat dissipation plate, 17, control switch, 18, mounting plate, 19, positioning groove, 20, protection shell, 21, handle, 22, rubber sleeve. DETAILED DESCRIPTION

[0038] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0039] With reference to Figure 1 , Figure 3 and Figure 4 , the present application provides an embodiment: a device for real-time detection of karst caves during advanced horizontal drilling, comprising a shell 1, a fixed shell 3 fixedly connected to the rear side of the top wall of the shell 1, a connecting plate 4 fixedly connected to the inner bottom wall of the fixed shell 3, the fixed connection of the oscillating cylinder 5 being completed through the connecting plate 4, a swing cylinder 5 fixedly connected to the right side of the connecting plate 4, a rotating shell 6 fixedly connected to the left end of the swing cylinder 5, a rotating rod 7 fixedly connected to the front side of the rotating shell 6, a protective plate 8 rotatably connected to the front end of the rotating rod 7 through a torsional spring, the rotating shell 6 and the rotating rod 7 being synchronized to swing through the start of the swing cylinder 5, and the protective plate 8 being rotated to fit the top of the shell 1 under the rotary connection of the torsional spring, a plurality of mounting shells 9 being equidistantly fixedly connected to the inner wall of the protective plate 8, an installation groove 10 being formed in the inside of the mounting shell 9, two laser scanners 12 being fixedly connected to the middle of the top wall of the shell 1, a sound wave detector 13 being fixedly connected to the left side of the middle of the top wall of the shell 1, a plurality of locking grooves 11 being equidistantly formed in the front side of the top wall of the shell 1, and the protective plate 8 being clamped with the plurality of locking grooves 11, thereby improving the protection of the laser scanner 12 and the sound wave detector 13 and effectively improving the service life of the equipment, the bottom of the protective plate 8 being clamped with the corresponding locking groove 11, and a drilling equipment 14 being fixedly installed on the inner wall of the shell 1, a blowing mechanism 2 being arranged on the left side of the inner wall of the fixed shell 3.

[0040] Specifically, the rotating shell 6 and the rotating rod 7 are synchronized to rotate by starting the swing cylinder 5, the rotating rod 7 further drives the protective plate 8 rotatably connected thereto through a torsional spring to swing downward, the locking groove 11 is clamped with the protective plate 8 when the protective plate 8 swings into place, so that the protective plate 8 can cover the top of the laser scanner 12 and the sound wave detector 13, thereby achieving the protection of the top of the equipment, the installation of the mounting shell 9 and the installation groove 10 achieves the effect of installing the elastic protective net, so that the installation process of the elastic protective net becomes more convenient and efficient, the installation of the elastic protective net not only further improves the protection effect of the top of the equipment, but also effectively absorbs and disperses external impact force, thereby avoiding the occurrence of the situation that the detection accuracy decreases.

[0041] With reference to Figure 1 , Figure 3 and Figure 5, the blowing mechanism 2 comprises an air blower 201, the left side of the air blower 201 is fixedly connected to the inner wall left side of the fixed shell 3, the front side top of the air blower 201 is communicated with a conveying pipe 202, the front end of the conveying pipe 202 is communicated with a porous spray head 203, under the start of the air blower 201, the airflow of the top path is sprayed through the porous spray head 203, so as to blow out the particles scattered on the top of the protective net, avoiding the influence on the detection effect, the bottom wall of the protective plate 8 is provided with a groove 204, the outer wall of the porous spray head 203 is fixedly connected to the inner top wall of the protective plate 8, the front side bottom end of the air blower 201 is communicated with a connecting pipe 205, the right end of the connecting pipe 205 is communicated with a heat dissipation spray pipe 206, and then the airflow of the bottom path is sprayed through the heat dissipation spray pipe 206, thereby improving the heat dissipation effect inside the fixed shell 3;

[0042] Specifically, under the start of the air blower 201, the extracted airflow is conveyed through the conveying pipe 202 and the connecting pipe 205, ensuring that the airflow conveyed through the conveying pipe 202 is sprayed through the porous spray head 203 to effectively blow the particles falling on the top of the protective net, thereby reducing the accumulation of particle impurities, thereby helping to avoid the problem of affecting the detection accuracy due to particle blockage, the airflow of the right path is sprayed through the heat dissipation spray pipe 206, effectively cooling the equipment inside the fixed shell 3, effectively reducing the accumulation of heat inside the fixed shell 3, thereby ensuring that the equipment can operate stably at a stable temperature.

[0043] Referring to Figure 1 , Figure 4 and Figure 5 , the blowing mechanism 2 further comprises a rubber ring 207, the inner wall of the rubber ring 207 is fixedly installed on the outer wall front end of the conveying pipe 202, and the outer wall of the rubber ring 207 is fixedly connected to the rear side of the protective plate 8; the right side of the shell 1 is fixedly connected with a control switch 17, the control switch 17 is electrically connected with the swing cylinder 5, the laser scanner 12, the sound wave detector 13, the drilling equipment 14 and the air blower 201 respectively; the front side left and right ends of the outer wall of the drilling equipment 14 are fixedly connected with cutting plates 15, and the rear side of the fixed shell 3 is fixedly connected with a heat dissipation plate 16;

[0044] Specifically, the rubber ring 207 protects the top end connection of the conveying pipe 202, thereby reducing wear at the connection position, the control switch 17 is electrically connected with the swing cylinder 5, the laser scanner 12, the sound wave detector 13, the drilling equipment 14 and the air blower 201 respectively, so that the control switch 17 completes the opening and closing of the device, and the cutting plates 15 improve the drilling effect of the drilling equipment 14.

[0045] Referring to Figure 1 , Figure 2 and Figure 3The left and right sides of the shell 1 are fixedly connected with mounting plates 18, and a plurality of positioning grooves 19 are formed in the front side of the mounting plate 18; the left side of the shell 1 is fixedly connected with a handle 21, and the middle part of the handle 21 is fixedly connected with a rubber sleeve 22; and the front side of the shell 1 is fixedly connected with a protective shell 20, and the outer wall of the protective shell 20 is designed to be smooth.

[0046] Specifically, the device is fixedly installed through the mounting plate 18 and the positioning groove 19, the handle 21 improves the convenience of carrying, and the protective shell 20 improves the protection effect of the drilling equipment 14 in the shell 1.

[0047] Working principle: when starting to use the protection, the rotating shell 6 and the rotating rod 7 are synchronously rotated by starting the swing cylinder 5, and then the protective plate 8 connected with the torsional spring is swung downward by the rotation of the rotating rod 7, so that the bottom of the protective plate 8 is clamped in the plurality of locking grooves 11, the protective plate 8 achieves the protection of the top of the laser scanner 12 and the acoustic detector 13, and the installation of the elastic protective net is completed under the arrangement of the installation shell 9 and the installation groove 10, so as to further improve the protection of the top of the equipment, prolong the service life of the equipment, and avoid the decrease of the detection accuracy.

[0048] And under the start of the air blower 201, the airflow extracted is conveyed through the conveying pipe 202 and the connecting pipe 205, so that the airflow conveyed through the conveying pipe 202 is sprayed through the multi-hole spray head 203, the particles falling on the top of the protective net are blown, the accumulation of the particle impurities is reduced, and the situation that the particles block the detection accuracy is avoided, and the airflow of the right path is sprayed through the heat dissipation spray pipe 206, so that the heat dissipation effect of the equipment in the fixed shell 3 is achieved, and the heat accumulation in the fixed shell 3 is reduced.

[0049] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A device for real-time detection of karst caves during advanced horizontal drilling, comprising a shell (1), characterized in that: A fixed shell (3) is fixedly connected to the rear side of the top wall of the outer shell (1). A connecting plate (4) is fixedly connected to the inner bottom wall of the fixed shell (3). A swing cylinder (5) is fixedly connected to the right side of the connecting plate (4). A rotating shell (6) is fixedly connected to the left end of the swing cylinder (5). A rotating rod (7) is fixedly connected to the front side of the rotating shell (6). A protective plate (8) is rotatably connected to the front end of the rotating rod (7) through a torsion spring. Multiple mounting shells (9) are fixedly connected at equal intervals to the inner wall of the protective plate (8). The interior of the shell (1) has an installation slot (10). Two laser scanners (12) are fixedly connected to the middle of the top wall of the shell (1). A sound wave detector (13) is fixedly connected to the left side of the middle of the top wall of the shell (1). Multiple locking slots (11) are equidistantly opened on the front side of the top wall of the shell (1). The bottom of the protective plate (8) is engaged with the corresponding locking slot (11). A drilling device (14) is fixedly installed on the inner wall of the shell (1). A blowing mechanism (2) is provided on the left side of the inner wall of the fixed shell (3).

2. The device for real-time detection of karst caves during advanced horizontal drilling as described in claim 1, characterized in that: The blowing mechanism (2) includes a blower (201). The left side of the blower (201) is fixedly connected to the left side of the inner wall of the fixed shell (3). The top front side of the blower (201) is connected to a conveying pipe (202). The front end of the conveying pipe (202) is connected to a multi-hole nozzle (203). The bottom wall of the protective plate (8) is provided with a groove (204). The outer wall of the multi-hole nozzle (203) is fixedly connected to the inner top wall of the protective plate (8). The bottom front side of the blower (201) is connected to a connecting pipe (205). The right end of the connecting pipe (205) is connected to a heat dissipation nozzle (206).

3. The device for real-time detection of karst caves during advanced horizontal drilling as described in claim 2, characterized in that: The blowing mechanism (2) also includes a rubber ring (207), the inner wall of which is fixedly installed on the front end of the outer wall of the conveying pipe (202), and the outer wall of which is fixedly connected to the rear side of the protective plate (8).

4. The device for real-time detection of karst caves during advanced horizontal drilling as described in claim 2, characterized in that: A control switch (17) is fixedly connected to the right side of the outer casing (1). The control switch (17) is electrically connected to the swing cylinder (5), the laser scanner (12), the acoustic detector (13), the drilling equipment (14), and the blower (201).

5. The device for real-time detection of karst caves during advanced horizontal drilling as described in claim 1, characterized in that: Cutting plates (15) are fixedly connected to the left and right ends of the front side of the outer wall of the drilling equipment (14), and a heat dissipation plate (16) is fixedly connected to the rear side of the fixed shell (3).

6. The device for real-time detection of karst caves during advanced horizontal drilling as described in claim 1, characterized in that: The left and right rear ends of the outer shell (1) are fixedly connected to mounting plates (18), and the front side of the mounting plates (18) is provided with multiple positioning grooves (19).

7. The device for real-time detection of karst caves during advanced horizontal drilling according to claim 1, characterized in that: A handle (21) is fixedly connected to the left side of the outer shell (1), and a rubber sleeve (22) is fixedly connected to the middle of the handle (21).

8. The device for real-time detection of karst caves during advanced horizontal drilling according to claim 1, characterized in that: A protective shell (20) is fixedly connected to the front side of the outer shell (1), and the outer wall of the protective shell (20) is designed to be smooth.

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