Hydraulic punching hole detection device based on optical side scanning imaging

Abstract

The utility model relates to a hydraulic punching hole detection device based on optical side-scan imaging, and the device comprises a probe tube which comprises an imaging section which comprises a first outer tube which is at least partially transparent, and the first outer tube is internally provided with a front view image collection device for collecting the visual field of the front end of the probe tube and a side-scan image collection device for collecting the visual field of the side of the probe tube, the side-scan image acquisition device is connected with a rotating mechanism for driving the side-scan image acquisition device to rotate around the axis of the probe tube; the main control section comprises a second outer tube coaxially connected with the first outer tube, a main control circuit board and a power supply module for supplying power to the forward-looking image acquisition device, the side-scanning image acquisition device, the rotating mechanism and the main control circuit board are arranged in the second outer tube, and the side-scanning image acquisition device is electrically connected with the main control circuit board and the power supply module through an electric slip ring. According to the method, the condition of the drilling channel and the internal condition of the hole formed in the coal seam are detected, and the hydraulic punching effect can be evaluated conveniently.

Description

Technical Field

[0001] The present application relates to the technical field of coal seam gas extraction detection equipment, and in particular to a hydraulic punching hole detection device based on optical side-scanning imaging. Background Art

[0002] For soft, low-permeability, high-gas, high-pressure outburst coal seams, the coal seam gas geological conditions are relatively complex, the coal seam permeability is poor, and the difficulty of gas extraction has become a key issue restricting the safe mining of mines. Hydraulic punching is an effective technical measure to relieve pressure and increase permeability of coal seams, and is widely used in the field of coal mine gas extraction.

[0003] After adopting hydraulic punching measures, holes will be formed in the coal seam. The borehole imaging television technology can be used to observe the development of cracks and fissures on the wall surface inside the hole, so as to evaluate the effect of hydraulic punching.

[0004] However, since holes have a larger spatial range than drilled holes, the use of previous borehole imaging TV probes is limited by the usage scenarios underground in coal mines and inside coal seams and the focal length of the camera. It cannot adapt to the environment and safety requirements underground in coal mines, nor can it effectively reflect the situation inside the hole. Summary of the invention

[0005] The embodiment of the present application provides a hydraulic punching hole detection device based on optical side-scanning imaging to solve the deficiency in the related art that the traditional drilling imaging television cannot effectively reflect the situation inside the hole when detecting hydraulic punching holes.

[0006] The embodiment of the present application provides a hydraulic punching hole detection device based on optical side scanning imaging, including a probe tube, wherein the probe tube includes:

[0007] An imaging section, the imaging section comprising a first outer tube that is at least partially transparent, the first outer tube being provided with a forward image acquisition device for acquiring the visual field of the front end of the probe tube, and a side-scan image acquisition device for acquiring the visual field of the side of the probe tube, the side-scan image acquisition device being connected to a rotating mechanism for driving the side-scan image acquisition device to rotate around the axis of the probe tube;

[0008] A main control section, the main control section includes a second outer tube coaxially connected to the first outer tube, a main control circuit board and a power module for supplying power to the front view image acquisition device, the side scan image acquisition device, the rotating mechanism and the main control circuit board are arranged in the second outer tube, and the side scan image acquisition device is electrically connected to the main control circuit board and the power module respectively through an electric slip ring.

[0009] In some embodiments: the first outer tube comprises a first metal ring, a transparent material tube and a second metal ring which are coaxially connected in sequence, the second metal ring is detachably connected to one end of the second outer tube, and an end of the first metal ring away from the transparent material tube is provided with a transparent material sheet which closes its port;

[0010] The front-view image acquisition device is fixed in the first metal ring and faces the transparent material sheet, the side-scan image acquisition device is rotatably located in the transparent material tube and faces the transparent material tube, and the rotating mechanism is fixed in the second metal ring.

[0011] In some embodiments: a camera bracket for fixing the forward-view image acquisition device is provided in the first metal ring, and a camera pressing plate for fixing the forward-view image acquisition device on the camera bracket is provided, and a light ring surrounding the forward-view image acquisition device is fixed on the camera pressing plate;

[0012] A lamp holder is provided in the transparent material tube, and the lamp holder divides the transparent material tube into a side scanning camera installation cavity and a light board installation cavity. The side scanning image acquisition device is located in the side scanning camera installation cavity, and a light board fixed on the lamp holder is installed in the light board installation cavity.

[0013] In some embodiments: the lamp holder is fixedly connected to the transparent material tube, the lamp board is an annular lamp board, and the annular lamp board emits light around the transparent material tube;

[0014] Or the lamp holder is fixedly connected to the rotating mechanism, the light emitting direction of the lamp panel is the same as the image acquisition direction of the side-scanning image acquisition device and the lamp panel rotates synchronously with the side-scanning image acquisition device;

[0015] The light ring and the light board are both electrically connected to the main control circuit board, and the main control circuit board controls and adjusts the lighting brightness of the light ring and the light board.

[0016] In some embodiments: the rotating mechanism comprises a stepper motor, the output end of the stepper motor is connected to a coupling inserted into an electric slip ring, the stator of the electric slip ring is fixedly connected to the first outer tube, the rotor of the electric slip ring is connected to the coupling and rotates synchronously with the coupling, and the side scan image acquisition device is fixed to the end of the coupling;

[0017] The first outer tube is also provided with a motor bracket for fixing the stepper motor and a rotating base for fixing the electric slip ring. The stepper motor is connected to the main control circuit board, and the main control circuit board controls the stepper motor to rotate along a set direction and speed.

[0018] In some embodiments: the main control circuit board is fixed in the second outer tube through a circuit board bracket, and a track measurement module connected to the main control circuit board is fixed on the circuit board bracket, and the track measurement module is used to measure the azimuth, inclination and roll angle of the probe tube;

[0019] A temperature sensor and a humidity sensor connected to the main control circuit board are exposed on the side wall of the second outer tube, and a transition sleeve is detachably connected to the end of the second outer tube. An aviation plug connector connected to the main control circuit board is also arranged in the transition sleeve.

[0020] In some embodiments: the power module includes a probe battery pack, an intrinsically safe power protection module connected to the probe battery pack, a power management module connected to the intrinsically safe power protection module, and the power management module is connected to the front view image acquisition device and the side scan image acquisition device through a power isolation module;

[0021] The main control circuit board includes an ARM processor, a storage module connected to the ARM processor, a clock module connected to the ARM processor, and multiple interface modules connected to the ARM processor. The ARM processor, storage module, clock module and interface module are all electrically connected to the power management module.

[0022] In some embodiments: further comprising a measuring host, the measuring host being electrically connected to the main control circuit board via a wire reel, a structural member being provided at one end of the wire reel connected to the main control circuit board, the structural member comprising a pressure ring threadedly connected to the end of the second outer tube;

[0023] An aviation plug connector electrically connected to the main control circuit board is arranged inside the pressure ring, a water-stop sealing ring is arranged at the connection between the pressure ring and the second outer tube, and a plurality of push rods which are extended in sequence are connected to the end of the structural member through an adapter.

[0024] In some embodiments: the push rod includes a plurality of first push rods and a plurality of second push rods, the diameter of the first push rods is greater than the diameter of the second push rods, and the second push rods are connected to the ends of the plurality of first push rods that are successively extended;

[0025] The measuring host is connected to a depth encoder for measuring the extension length of the cable of the cable drum, and the depth encoder is connected to the cable through a roller.

[0026] In some embodiments: a centralizer is disposed on both the first outer tube and the second outer tube, and the centralizer is used to make the probe tube parallel to the axis of the borehole.

[0027] The beneficial effects of the technical solution provided by this application include:

[0028] An embodiment of the present application provides a hydraulic punching hole detection device based on optical side-scanning imaging. Since a probe tube is provided in the hydraulic punching hole detection device based on optical side-scanning imaging of the present application, the probe tube includes: an imaging section, the imaging section includes a first outer tube that is at least partially transparent, a forward-looking image acquisition device for acquiring the field of view of the front end of the probe tube, and a side-scanning image acquisition device for acquiring the field of view of the side of the probe tube are provided in the first outer tube, and the side-scanning image acquisition device is connected to a rotating mechanism for driving it to rotate around the axis of the probe tube; a main control section, the main control section includes a second outer tube coaxially connected to the first outer tube, a main control circuit board is provided in the second outer tube, and a power module for supplying power to the forward-looking image acquisition device, the side-scanning image acquisition device, the rotating mechanism and the main control circuit board, and the side-scanning image acquisition device is electrically connected to the main control circuit board and the power module respectively through an electric slip ring.

[0029] Therefore, the optical side-scan imaging hydraulic punching hole detection device of the present application is provided with a forward-view image acquisition device for collecting the front-end field of view of the probe tube, and a side-scan image acquisition device for collecting the side field of view of the probe tube in the first outer tube. The forward-view image acquisition device and the side-scan image acquisition device are combined to collect image information in the borehole and the hydraulic punching hole, and the side-scan image acquisition device is connected to a rotating mechanism that drives it to rotate around the axis of the probe tube, so that the side-scan image acquisition device can rotate 360 ​​degrees around the axis in the first outer tube to collect the wall video and image information of the borehole and the hydraulic punching hole. The main control circuit board in the second outer tube is connected to the forward-view image acquisition device and the side-scan image acquisition device to control their image acquisition, and store or transmit the acquired image information to an external measurement host. In this way, the detection of the drilling channel conditions and the internal conditions of the holes formed in the coal seam is realized, which is convenient for evaluating the effect of hydraulic punching. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 This is a schematic diagram of the structure of the probe tube in the embodiment of the present application;

[0032] Figure 2 This is a schematic diagram of the structure of the imaging section in the embodiment of the present application;

[0033] Figure 3 This is a schematic diagram of the structure of the main control section in the embodiment of the present application;

[0034] Figure 4 It is a schematic diagram of the structure of an embodiment of the present application.

[0035] In the figure: 1. probe tube; 2. structural parts; 3. centralizer; 4. first push rod; 5. second push rod; 6. measuring host; 7. depth encoder; 8. wire drum;

[0036] 100, imaging section; 110, first outer tube; 111, first metal ring; 112, transparent material tube; 113, second metal ring; 114, transparent material sheet;

[0037] 120. Forward image acquisition device; 121. Forward camera; 122. Forward lens; 123. Camera bracket; 124. Camera pressure plate; 125. Light ring;

[0038] 130. Side scanning image acquisition device; 131. Side scanning camera; 132. Side scanning lens; 133. Lamp holder; 134. Light-isolating O-ring; 135. Lamp board;

[0039] 140, rotating mechanism; 141, stepping motor; 142, coupling; 143, motor bracket; 150, electric slip ring; 151, rotating base;

[0040] 200. Main control section; 210. Second outer tube; 220. Main control circuit board; 221. Circuit board bracket; 230. Power module; 240. Track measurement module; 250. Temperature sensor; 260. Humidity sensor; 270. Transition sleeve; 280. Aviation plug connector; 291. Pressure ring; 292. Water-stop sealing ring; 293. Adapter. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0042] The embodiment of the present application provides a hydraulic punching hole detection device based on optical side-scanning imaging, which can solve the deficiency of the traditional drilling imaging television in the related art that it cannot effectively reflect the situation inside the hole when detecting hydraulic punching holes.

[0043] See also Figure 1 As shown, the embodiment of the present application provides a hydraulic punching hole detection device based on optical side scanning imaging, including a probe tube 1, the probe tube 1 includes:

[0044] The imaging section 100 includes a first outer tube 110 that is at least partially transparent. A forward image acquisition device 120 for acquiring the visual field of the front end of the probe 1 and a side scan image acquisition device 130 for acquiring the visual field of the side of the probe 1 are arranged in the first outer tube 110. The side scan image acquisition device 130 is connected to a rotating mechanism 140 for driving it to rotate around the axis of the probe 1. The first outer tube 110 is used to accommodate and install the forward image acquisition device 120 and the side scan image acquisition device 130, and the first outer tube 110 is made of a transparent material to prevent it from blocking the visual field of the forward image acquisition device 120 and the side scan image acquisition device 130.

[0045] The main control section 200 includes a second outer tube 210 coaxially connected to the first outer tube 110. A main control circuit board 220 and a power module 230 for supplying power to the forward-looking image acquisition device 120, the side-scanning image acquisition device 130, the rotating mechanism 140 and the main control circuit board 220 are arranged in the second outer tube 210. The side-scanning image acquisition device 130 is electrically connected to the main control circuit board 220 and the power module 230 respectively through an electric slip ring 150.

[0046] The main control circuit board 220 is connected to the front view image acquisition device 120, the side scan image acquisition device 130, and the rotating mechanism 140 respectively. The main control circuit board 220 is used to control the front view image acquisition device 120 to acquire image information in the drilled holes and hydraulic punching holes in front of the probe tube 1; the main control circuit board 220 is also used to control the side scan image acquisition device 130 to acquire image information in the drilled holes and hydraulic punching holes on the periphery of the probe tube 1 through the rotating mechanism 140. The rotating mechanism 140 drives the side scan image acquisition device 130 to acquire image information at a set direction and speed in 360 degrees without blind spots.

[0047] The side-scan image acquisition device 130 is electrically connected to the main control circuit board 220 and the power module 230 respectively through the electric slip ring 150. When the rotating mechanism 140 drives the side-scan image acquisition device 130 to acquire image information at a set direction and speed at 360 degrees without blind spots, the main control circuit board 220 can always maintain an electrical connection with the side-scan image acquisition device 130 through the electric slip ring 150 to prevent the communication cable from being entangled and broken. The power module 230 can always maintain an electrical connection with the side-scan image acquisition device 130 through the electric slip ring 150 to prevent the power cable from being entangled and broken.

[0048] The hydraulic punching hole detection device based on optical side-scan imaging in the embodiment of the present application is provided with a forward-looking image acquisition device 120 for acquiring the front-end field of view of the probe tube 1, and a side-scanning image acquisition device 130 for acquiring the side field of view of the probe tube 1 in the first outer tube 110. The forward-looking image acquisition device 120 and the side-scanning image acquisition device 130 are combined with each other to acquire image information in the drilled holes and hydraulic punching holes, and the side-scanning image acquisition device 130 is connected to a rotating mechanism 140 for driving it to rotate around the axis of the probe tube 1, so that the side-scanning image acquisition device 130 can rotate 360 ​​degrees around the axis in the first outer tube 110 to acquire wall surface video and image information of the drilled holes and hydraulic punching holes.

[0049] The main control circuit board in the second outer tube is connected to the front view image acquisition device 120 and the side scan image acquisition device 130 to control them to acquire images, and store or transmit the acquired image information to the external measurement host 6. This enables the detection of the drilling channel conditions and the internal conditions of the holes formed in the coal seam, and facilitates the evaluation of the effect of hydraulic punching.

[0050] In some alternative embodiments: See Figure 2 As shown, the embodiment of the present application provides a device for detecting holes of hydraulic punching based on optical side scanning imaging, wherein the first outer tube 110 of the device for detecting holes of hydraulic punching based on optical side scanning imaging comprises a first metal ring 111, a transparent material tube 112 and a second metal ring 113 which are coaxially connected in sequence. The second metal ring 113 is detachably connected to one end of the second outer tube 210, and a transparent material sheet 114 which closes the port of the first metal ring 111 away from the transparent material tube 112 is provided at one end thereof.

[0051] The first metal ring 111 and the second metal ring 113 of the embodiment of the present application both have a certain thickness. The first metal ring 111 is provided with a lens groove for mounting the transparent material sheet 114 on one side away from the transparent material tube 112, and the first metal ring 111 is provided with an annular groove for mounting the transparent material tube 112 on one side close to the transparent material tube 112. The second metal ring 113 is provided with an annular groove for mounting the transparent material tube 112 on one side close to the transparent material tube 112, and has an internal thread on the other side for easy connection with the second outer tube 210. The transparent material tube 112 and the transparent material sheet 114 are both made of transparent glass and are sealed and bonded together with the first metal ring 111 and the second metal ring 113 by epoxy resin glue.

[0052] In some alternative embodiments: See Figure 2As shown, the embodiment of the present application provides a hydraulic punching hole detection device based on optical side scanning imaging, wherein the front view image acquisition device 120 of the hydraulic punching hole detection device based on optical side scanning imaging is fixed in the first metal ring 111 and faces the transparent material sheet 114. The side scanning image acquisition device 130 rotates in the transparent material tube 112 and faces the tube wall of the transparent material tube 112, and the rotating mechanism 140 is fixed in the second metal ring 113.

[0053] The forward-view image acquisition device 120 includes a forward-view camera 121 and a forward-view lens 122 mounted on the forward-view camera 121, and the side-scan image acquisition device 130 includes a side-scan camera 131 and a side-scan lens 132 mounted on the side-scan camera 131. A camera bracket 123 for fixing the forward-view camera 121 and a camera pressing plate 124 for fixing the forward-view camera 121 on the camera bracket 123 are provided in the first metal ring 111.

[0054] A light ring 125 is fixedly provided on the camera pressing plate 124 and surrounds the front view lens 122 of the front view image acquisition device 120. The light ring 125 is electrically connected to the main control circuit board 220 and the power module 230. The power module 230 supplies power to the power module 230, thereby lighting up the light ring 125 to provide lighting for image acquisition of the front view image acquisition device 120. The main control circuit board 220 controls and adjusts the lighting brightness of the light ring 125.

[0055] A lamp holder 133 is provided in the transparent material tube 112, and the lamp holder 133 divides the transparent material tube 112 into a side-scanning camera installation cavity and a light board installation cavity. The side-scanning image acquisition device 130 is located in the side-scanning camera installation cavity, and a light board 135 fixed on the lamp holder 133 is installed in the light board installation cavity. A light-isolating O-ring 134 is connected between the lamp holder 133 and the inner wall of the transparent material tube 112, and the light-isolating O-ring 134 is used to seal the side-scanning camera installation cavity and the light board installation cavity to prevent light from penetrating each other, so as to avoid the influence of light from the light board 135 on the side-scanning image acquisition device 130.

[0056] In some alternative embodiments: See Figure 2 As shown, an embodiment of the present application provides a hydraulic punching hole detection device based on optical side-scanning imaging, in which a lamp holder 133 is fixedly connected to a transparent material tube 112, and a lamp board 135 is an annular lamp board, that is, the lamp board 135 is arranged in an annular manner to emit light around the transparent material tube 112 to illuminate the surrounding hole walls of the drill hole and the walls around the hydraulic punching hole.

[0057] Alternatively, the lamp holder 133 is fixedly connected to the rotating mechanism 140, and the rotating mechanism 140 can drive the side-scan image acquisition device 130 and the lamp holder 133 to rotate synchronously. The lamp board is fixed on the lamp holder 133, and the light emission direction emitted by it is the same as the image acquisition direction of the side-scan image acquisition device 130, and it rotates synchronously with the side-scan image acquisition device 130. The lamp board 135 is electrically connected to the main control circuit board 220 through the electric slip ring 150, and the main control circuit board 220 controls and adjusts the lighting brightness of the lamp board 135.

[0058] In some alternative embodiments: See Figure 2 As shown, the embodiment of the present application provides a device for detecting holes by hydraulic punching based on optical side scanning imaging, wherein the rotating mechanism 140 of the device for detecting holes by hydraulic punching based on optical side scanning imaging includes a stepping motor 141, and the output end of the stepping motor 141 is connected to a coupling 142 that penetrates an electric slip ring 150. The stator of the electric slip ring 150 is fixedly connected to the first outer tube 110, the rotor of the electric slip ring 150 is connected to the coupling 142 and rotates synchronously with the coupling 142, and the side scanning image acquisition device 130 is fixed to the end of the coupling 142 away from the stepping motor 141.

[0059] A motor bracket 143 for fixing the stepper motor 141 and a rotating base 151 for fixing the electric slip ring 150 are also provided in the first outer tube 110. The stepper motor 141 is connected to the main control circuit board 220. The main control circuit board 220 controls the stepper motor 141 to rotate along a set direction and speed, thereby controlling the side-scan image acquisition device 130 and the light board 135 to rotate along the axis of the probe tube 1 along the set direction and rotation speed, thereby enabling the side-scan image acquisition device 130 to collect wall image information around the drilled hole and hydraulic punching hole in the first outer tube 110 at 360 degrees without blind spots.

[0060] In some alternative embodiments: See Figure 3 As shown, an embodiment of the present application provides a hydraulic punching hole detection device based on optical side-scanning imaging, in which a main control circuit board 220 of the hydraulic punching hole detection device based on optical side-scanning imaging is fixed in the second outer tube 210 through a circuit board bracket 221, and a trajectory measurement module 240 connected to the main control circuit board 220 is fixed on the circuit board bracket 221, and the trajectory measurement module 240 is used to measure the azimuth, inclination and roll angle of the probe tube 1.

[0061] A temperature sensor 250 and a humidity sensor 260 connected to the main control circuit board 220 are exposed on the side wall of the second outer tube 210. The temperature sensor 250 and the humidity sensor 260 are used to collect temperature information and humidity information in the drilled holes and hydraulic punched holes, respectively. A transition sleeve 270 is detachably connected to the end of the second outer tube 210. An aviation plug connector 280 connected to the main control circuit board 220 is also provided in the transition sleeve 270. The main control circuit board 220 is connected to the external measurement host 6 through the aviation plug connector 280 to realize communication signal connection.

[0062] The trajectory measurement module 240 transmits information such as azimuth, inclination, and roll angle to the main control circuit board 220 according to the situation of the probe tube 1 in the borehole. The main control circuit board 220 can determine the azimuth of the image information captured by the side scan image acquisition device 130 based on the roll angle information of the side scan image acquisition device 130 and the probe tube 1, as well as the rotation speed of the stepper motor 141. Then the main control circuit board 220 is connected to the aviation plug connector 280 through a data line. The aviation plug connector 280 acts as a data transmission plug to transmit data to a data line equipped with a corresponding aviation plug connector 280, and then transmits it to the measurement host 6 via the cable reel 8.

[0063] In some alternative embodiments: See Figure 3 As shown, the embodiment of the present application provides a device for detecting holes of hydraulic punching based on optical side scanning imaging, wherein the power module 230 of the device for detecting holes of hydraulic punching based on optical side scanning imaging includes a probe battery pack, an intrinsically safe power protection module connected to the probe battery pack, and a power management module connected to the intrinsically safe power protection module. The power management module is connected to the front view image acquisition device 120 and the side scanning image acquisition device 130 through the power isolation module.

[0064] The main control circuit board 220 includes an ARM processor, a storage module connected to the ARM processor, a clock module connected to the ARM processor, and a plurality of interface modules connected to the ARM processor. The ARM processor, the storage module, the clock module and the interface module are all electrically connected to the power management module.

[0065] The main control circuit board 220 of the embodiment of the present application is provided with multiple module interfaces, so as to realize data transmission and control of other modules. The main control circuit board 220 can complete the control of the lighting brightness of the light ring 125 and the light board 135, the rotation direction and rotation speed of the stepper motor 141, and the switching of the data transmission of the front camera 121 and the side scanning camera 131. The rear end of the circuit board bracket 221 is a transition sleeve 270, which is provided with an external thread, and the aviation plug connector 280 is in the transition sleeve 270, and the transition sleeve 270 is fixed in the second outer tube 210 by the pressure ring 291.

[0066] The front end of the circuit board bracket 221 is a probe battery pack, which is fixed to the circuit board bracket 221 by silicone potting. After the intrinsic safety protection such as current limiting and overcharging of the intrinsic safety power protection module, the power management module generates the power required by each peripheral and internal device to supply power to each component. However, in order to prevent other signals from affecting the imaging acquisition, a power isolation module is added to the power supply of the front-view camera 121 and the side-scanning camera 131. The power management module supplies power to the front-view camera 121 and the side-scanning camera 131 respectively after passing through the power isolation module.

[0067] In some alternative embodiments: See Figure 4 As shown, an embodiment of the present application provides a hydraulic punching hole detection device based on optical side scanning imaging, and the hydraulic punching hole detection device based on optical side scanning imaging also includes a measuring host 6, and the measuring host 6 is electrically connected to the main control circuit board 220 through a wire reel 8. A structural member 2 is provided at one end of the wire reel 8 connected to the main control circuit board 220, and the structural member 2 includes a pressure ring 291 threadedly connected to the end of the second outer tube 210.

[0068] An aviation plug connector 280 electrically connected to the main control circuit board 220 is provided in the pressure ring 291, and the aviation plug connector 280 includes an aviation plug female head electrically connected to the main control circuit board 220, and an aviation plug male head located in the structural member 2 and connected to the cable of the cable drum 8. A water-stop sealing ring 292 is provided at the connection between the pressure ring 291 and the second outer tube 210, and a plurality of push rods that are successively extended are connected to the end of the structural member 2 through an adapter 293.

[0069] The push rods include a plurality of first push rods 4 and a plurality of second push rods 5. The diameter of the first push rods 4 is greater than the diameter of the second push rods 5. The second push rods 5 are connected to the ends of the plurality of first push rods 4 which are sequentially extended. The measuring host 6 is connected to a depth encoder 7 for measuring the extension length of the cable of the cable drum 8. The depth encoder 7 is connected to the cable of the cable drum 8 through a roller to measure the depth of the probe 1 extending into the borehole.

[0070] The first outer tube 110 and the second outer tube 210 are both provided with a centralizer 3, which is used to make the probe tube 1 parallel to the axis of the borehole. The first push rod 4 has a relatively thick diameter and is provided with multiple sections, which can reduce the sinking degree of the probe tube 1 after entering the hole. One end of the first push rod 4 is a protruding metal tube with an external thread on the metal tube and an internal thread on the other end. The first push rod 4 connects the section with the internal thread to the tail of the structural member 2 through an adapter 293. In particular, one end of the first push rod 4 is an internal thread that can be connected to the front end, and the other end has an internal thread that matches the thread of the second push rod 5.

[0071] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0072] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0073] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A hydraulic punching hole detection device based on optical side scanning imaging, characterized in that: The invention comprises a probe tube (1), wherein the probe tube (1) comprises: An imaging section (100), the imaging section (100) comprising a first outer tube (110) which is at least partially transparent, the first outer tube (110) being provided with a forward image acquisition device (120) for acquiring the visual field of the front end of the probe tube (1), and a side scan image acquisition device (130) for acquiring the visual field of the side of the probe tube (1), the side scan image acquisition device (130) being connected to a rotating mechanism (140) for driving the side scan image acquisition device (130) to rotate around the axis of the probe tube (1); A main control section (200), the main control section (200) comprising a second outer tube (210) coaxially connected to the first outer tube (110), the second outer tube (210) being provided with a main control circuit board (220), and a power supply module (230) for supplying power to the front view image acquisition device (120), the side scan image acquisition device (130), the rotating mechanism (140) and the main control circuit board (220), the side scan image acquisition device (130) being electrically connected to the main control circuit board (220) and the power supply module (230) respectively via an electric slip ring (150); The main control circuit board (220) is fixed in the second outer tube (210) via a circuit board bracket (221); a track measurement module (240) connected to the main control circuit board (220) is fixedly provided on the circuit board bracket (221); the track measurement module (240) is used to measure the azimuth, inclination and roll angle of the probe tube (1); A temperature sensor (250) and a humidity sensor (260) connected to the main control circuit board (220) are exposed on the side wall of the second outer tube (210); a transition sleeve (270) is detachably connected to the end of the second outer tube (210); and an aviation plug connector (280) connected to the main control circuit board (220) is also arranged inside the transition sleeve (270).

2. The optical side scanning imaging hydraulic punching hole detection device according to claim 1, characterized in that: The first outer tube (110) comprises a first metal ring (111), a transparent material tube (112) and a second metal ring (113) which are coaxially connected in sequence; the second metal ring (113) is detachably connected to one end of the second outer tube (210); and an end of the first metal ring (111) away from the transparent material tube (112) is provided with a transparent material sheet (114) for closing its port; The front-view image acquisition device (120) is fixed in the first metal ring (111) and faces the transparent material sheet (114), the side-scan image acquisition device (130) is rotatably located in the transparent material tube (112) and faces the transparent material tube (112), and the rotating mechanism (140) is fixed in the second metal ring (113).

3. The optical side scanning imaging hydraulic punching hole detection device according to claim 2, characterized in that: A camera bracket (123) for fixing a forward-view image acquisition device (120) and a camera pressing plate (124) for fixing the forward-view image acquisition device (120) on the camera bracket (123) are provided in the first metal ring (111), and a light ring (125) surrounding the forward-view image acquisition device (120) is fixed on the camera pressing plate (124); A lamp holder (133) is provided in the transparent material tube (112), the lamp holder (133) dividing the transparent material tube (112) into a side-scanning camera installation cavity and a light board installation cavity, the side-scanning image acquisition device (130) is located in the side-scanning camera installation cavity, and a light board (135) fixed to the lamp holder (133) is installed in the light board installation cavity.

4. The optical side scanning imaging hydraulic punching hole detection device according to claim 3, characterized in that: The lamp holder (133) is fixedly connected to the transparent material tube (112); the lamp board (135) is an annular lamp board, and the annular lamp board emits light toward the surroundings of the transparent material tube (112); or the lamp holder (133) is fixedly connected to the rotating mechanism (140), the light emission direction of the lamp panel (135) is the same as the image acquisition direction of the side-scanning image acquisition device (130), and the lamp panel (135) rotates synchronously with the side-scanning image acquisition device (130); The light ring (125) and the light board (135) are both electrically connected to the main control circuit board (220), and the main control circuit board (220) controls and adjusts the lighting brightness of the light ring (125) and the light board (135).

5. The optical side scanning imaging hydraulic punching hole detection device according to claim 1, characterized in that: The rotating mechanism (140) comprises a stepping motor (141); the output end of the stepping motor (141) is connected to a coupling (142) inserted into an electric slip ring (150); the stator of the electric slip ring (150) is fixedly connected to the first outer tube (110); the rotor of the electric slip ring (150) is connected to the coupling (142) and rotates synchronously with the coupling (142); and the side-scanning image acquisition device (130) is fixed to an end of the coupling (142); A motor bracket (143) for fixing the stepping motor (141) and a rotating base (151) for fixing the electric slip ring (150) are also provided in the first outer tube (110); the stepping motor (141) is connected to the main control circuit board (220); and the main control circuit board (220) controls the stepping motor (141) to rotate in a set direction and at a set speed.

6. The optical side scanning imaging hydraulic punching hole detection device according to claim 1, characterized in that: The power module (230) comprises a probe battery pack, an intrinsically safe power protection module connected to the probe battery pack, and a power management module connected to the intrinsically safe power protection module, wherein the power management module is connected to the front view image acquisition device (120) and the side scan image acquisition device (130) via a power isolation module; The main control circuit board (220) comprises an ARM processor, a storage module connected to the ARM processor, a clock module connected to the ARM processor, and a plurality of interface modules connected to the ARM processor; the ARM processor, storage module, clock module and interface module are all electrically connected to the power management module.

7. The optical side scanning imaging hydraulic punching hole detection device according to claim 1, characterized in that: It also comprises a measuring host (6), the measuring host (6) being electrically connected to the main control circuit board (220) via a wire reel (8), one end of the wire reel (8) connected to the main control circuit board (220) being provided with a structural member (2), the structural member (2) comprising a pressure ring (291) threadedly connected to the end of the second outer tube (210); An aviation plug connector (280) electrically connected to the main control circuit board (220) is provided inside the pressure ring (291), a water-stop sealing ring (292) is provided at the connection between the pressure ring (291) and the second outer tube (210), and a plurality of push rods which are successively extended are connected to the end of the structural member (2) via an adapter (293).

8. The optical side scanning imaging hydraulic punching hole detection device according to claim 7, characterized in that: The push rods include a plurality of first push rods (4) and a plurality of second push rods (5), the diameter of the first push rods (4) is greater than the diameter of the second push rods (5), and the second push rods (5) are connected to the ends of the plurality of first push rods (4) which are successively extended; The measuring host (6) is connected to a depth encoder (7) for measuring the extension length of the cable of the cable drum (8); the depth encoder (7) is connected to the cable via a roller.

9. The hydraulic punching hole detection device based on optical side scanning imaging as claimed in claim 1, characterized in that: The first outer tube (110) and the second outer tube (210) are both provided with a centralizer (3), and the centralizer (3) is used to make the probe tube (1) parallel to the axis of the borehole.

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