A device for measuring geological cracks in hydraulic rings that can be accurately positioned

Abstract

The present invention discloses a hydraulic ring geological fracture measuring device capable of precise positioning, comprising a hollow cylindrical casing column and an auxiliary support mechanism arranged on the casing column, wherein the end of the casing column is provided with a fixed groove frame plate, the fixed groove frame plate is provided with a wheel frame, a fixed pipe wheel and a line wheel are provided in the wheel frame, an air pipe is wound around the fixed pipe wheel, a measuring rope is wound around the line wheel, and the air pipe and the measuring rope pass through one end of the casing column and are provided with an auxiliary measuring mechanism. The present invention can apply traction to the side support plate, move the side support plate along the central axis of the main support plate until the side support plate is stretched to an appropriate length, and then fix the main support plate to the side support plate by a locking screw, thereby effectively limiting the position of the main support plate and the side support plate, enabling the main support plate and the side support plate to provide support for the device and maintain the stability of the device support.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic annular geological crack measurement, in particular to a hydraulic annular geological crack measurement device capable of accurately positioning. Background Art

[0002] When measuring geological cracks in hydraulic engineering and environmental geology, the accuracy of measuring geological cracks can be improved by using a hydraulic engineering and environmental geology crack measuring device. After searching, a hydraulic engineering and environmental geology crack measuring device with patent application number CN114264212A is disclosed, which belongs to the field of hydraulic engineering and environmental geology detection technology. A hydraulic engineering and environmental geology crack measuring device includes a base, a U-shaped frame is provided on the upper side of the base, a fixed frame is connected and fixed to the inner wall of the middle of the U-shaped frame, an adjustment component is provided on the lower side of the fixed frame, an equipment frame is provided on the lower side of the fixed frame, a movable seat is provided on the inner wall of the lower side of the equipment frame, a cavity is opened at the upper end of the movable seat, a winding component is provided in the cavity, a measuring component is provided in the middle of the movable seat, a positioning rod is provided on the left side of the U-shaped frame, and a transmission component is passed through the upper side of the positioning rod. By providing the positioning rod, when measuring the length of the crack, one end of the tape measure can be fixed to one side of the crack by using the positioning rod, without the need for manual holding, reducing the use of personnel, and at the same time, the positioning plate can greatly improve the stability of the positioning rod when inserted into the crack.

[0003] The hydraulic annular geological fracture measuring device of the above-mentioned application uses large equipment to assist in the measurement of hydraulic annular geological fractures, which increases the cost and limits the measurement length of hydraulic annular geological fractures. Therefore, we propose a hydraulic annular geological fracture measuring device with higher practicality and precise positioning. Summary of the Invention

[0004] The purpose of the present invention is to provide a hydraulic ring geological crack measuring device that can be accurately positioned, thereby solving the existing problems.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hydraulic ring geological fracture measuring device that can be precisely positioned, comprising a hollow cylindrical casing column and an auxiliary support mechanism arranged on the casing column, the end of the casing column is provided with a fixed groove frame plate, the fixed groove frame plate is provided with a wheel frame, a fixed pipe wheel and a wire wheel are provided in the wheel frame, an air pipe is wrapped around the outside of the fixed pipe wheel, a measuring rope is wrapped around the outside of the wire wheel, and an auxiliary measuring mechanism is provided at one end where the air pipe and the measuring rope pass through the casing column.

[0006] Preferably, the auxiliary support mechanism includes a hollow cylindrical threaded column fixedly connected to the casing column, a limiting internal threaded column is provided on the outer sleeve of the threaded column, a column sleeve is provided on the outer sleeve of the limiting internal threaded column, a support rod, a bottom rod and a connecting spring are provided on both sides of the column sleeve, the support rod is movably pinned to the column sleeve, a movable pin shaft is passed through between the support rod and the bottom rod, one end of the connecting spring is hooked on the support rod, and the other end is hooked on the bottom rod.

[0007] Preferably, the auxiliary support mechanism also includes a fixed disc frame fixedly connected to the casing column, and main support plates are provided on both sides of the fixed disc frame, and a screw sleeve is provided on the main support plate, and an adjusting screw is passed through the screw sleeve, and the input end of the adjusting screw is connected to a screw motor, and a top rod is provided on the screw sleeve, and one end of the top rod is movably pinned to the bottom rod, and the other end is connected to the movably pin of the screw sleeve, and the movably pin of the bottom rod is connected to the main support plate.

[0008] Preferably, a side support plate is provided through one end of the main support plate away from the fixed disk rack, and a locking screw is provided through the connection between the main support plate and the side support plate.

[0009] Preferably, movable side cavities are opened on both sides of the interior of the fixed disc rack, and a lifting bracket and a guide push block adapted to the movable side cavity are provided in the movable side cavity. The lifting bracket is composed of several groups of movable support rods crossing in an "X" shape, and each group of two movable support rods are connected by movable pins, one of which is connected to the fixed disc rack, and the other is connected to a movable sleeve, a movable screw rod is passed through the movable sleeve, the input end of the movable screw rod is connected to a fixed helical gear and a synchronous helical gear meshing with the fixed helical gear, the input end of the synchronous helical gear is connected to a coaxial rod, the input end of the coaxial rod is connected to an adjusting helical gear and a transmission helical gear meshing with the adjusting helical gear, and the input end of the transmission helical gear is connected to a transmission gear.

[0010] Preferably, the auxiliary support mechanism further includes an annular ring gear rack and a pushing gear meshed with the ring gear rack, the input end of the pushing gear is connected to a servo motor, and the ring gear rack is meshed with a transmission gear.

[0011] Preferably, a slide rail is provided at one end of the guide push block, and a positioning pin is provided at the connection between the other end and the side support plate.

[0012] Preferably, the auxiliary measurement mechanism includes a traction ball shell, an inner cavity is defined in the traction ball shell, an airbag connected to the trachea is provided in the inner cavity, and airbag legs are connected to both sides of the airbag.

[0013] Preferably, measuring support rods are provided on both sides of the inner cavity, and a ruler rod adapted to the measuring support rod is provided inside the measuring support rod, and two symmetrically distributed side arm rods are provided on the measuring support rod, one end of the side arm rod is movably pinned to the measuring support rod, and the other end is movably pinned to an arc-shaped arc plate, a connecting pin is passed through the end of the ruler rod, and the arc plate is movably connected to the traction ball shell through the connecting pin, and a return spring is provided on the outer sleeve of the measuring support rod.

[0014] Preferably, a plurality of counterweight beads are further provided in the traction ball shell.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The cam is connected to the bottom arm by a spring and a spring, so that the cam and the bottom arm can be adjusted to move along the axis of the main shaft, thereby adjusting the displacement of the main arm and the main shaft, so that the cam can move along the axis of the main shaft, thereby adjusting the displacement of the main arm and the main shaft.

[0017] 2. The present invention can apply traction to the side support plate, and can move the side support plate along the central axis of the main support plate until the side support plate is stretched to an appropriate length, and then fix the main support plate and the side support plate to each other through a locking screw, thereby effectively limiting the position of the main support plate and the side support plate, so that the main support plate and the side support plate can provide support for the device and maintain the stability of the device support.

[0018] The transmission gear is engaged with the transmission gear by the adjusting gear, and the adjusting gear is fixedly connected with the synchronous helical gear through the coaxial rod. The transmission gear can push the fixed helical gear to rotate by the adjusting gear, the coaxial rod and the synchronous helical gear, and the fixed helical gear is fixedly connected with the movable lead screw, so that the fixed helical gear and the movable lead screw can rotate synchronously, the movable lead screw can pull the movable sleeve to move, and the movable sleeve is movably connected to the lifting bracket, the movable sleeve can pull the lifting bracket to retract, so that the lifting bracket can pull the guide push block to move along the central axis direction of the movable side cavity, and the guide push block is movably connected to the side support plate through the positioning pin, so that one end of the side support plate can be pulled into the interior of the movable side cavity, so that the side support plate can be kept in a horizontal state, and the side support plate can be prevented from rotating, thereby improving the support stability provided by the side support plate to the device.

[0019] 4. The present invention can connect one end of the trachea to an external gas supply device, and the other end to the air bag, and extend one end of the measuring rope led out from the inside of the casing column into the inner cavity of the traction ball shell, and extend the measuring rope into the inside of the side arm rod, and pass the measuring rope around the rotating shaft of the ruler rod, and then pass the measuring rope through the end of another measuring support rod, fix the measuring rope to the end of the ruler rod, and place the traction ball shell into the inside of the crack until the traction ball shell is subjected to its own weight and the action of several counterweight beads, so that the two measuring support rods of the traction ball shell can be kept in a horizontal state, and the traction ball shell is placed in a suitable position. At this time, the current length A of the measuring rope is recorded, and then the gas is introduced into the interior of the air bag along the trachea through the gas supply device, and the air bag and The airbag legs are connected, and the airbag legs extend into the interior of the measuring support rod, so that the airbag and the airbag legs can be gradually expanded. The airbag can apply thrust to the measuring support rod, and the measuring support rod is movably connected to the arc plate through the side arm rod. The arc plate is movably connected to the traction ball shell through the connecting pin. The measuring support rod can push the arc plate to rotate along the outer side of the connecting pin through the side arm rod, and the arc plate can be unfolded to block particles falling from the gap, which is used to protect the measuring support rod and the ruler rod. The airbag legs can push the ruler rod to move along the central axis of the measuring support rod until the ruler rod is against the gap, and the measuring rope can be stretched to measure the current length B of the measuring rope. The length B is subtracted from the length A, and then the distance between the ends of the two measuring support rods in the initial state is added to obtain the width of the gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at point B in the middle;

[0022] Figure 3 For the present invention Figure 2 A schematic diagram of the partially enlarged structure at point C in the middle;

[0023] Figure 4 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0024] Figure 5 This is a schematic diagram of the internal structure of the traction ball shell of the present invention;

[0025] Figure 6 For the present invention Figure 5 Schematic diagram of the locally enlarged structure at point D in the middle.

[0026] In the figure: 1, casing column; 2, fixed groove frame plate; 3, wheel frame; 4, fixed pipe wheel; 5, air pipe; 6, line wheel; 7, measuring rope; 8, auxiliary support mechanism; 801, threaded column; 802, limited internal threaded column; 803, column sleeve; 804, support rod; 805, bottom rod; 806, movable pin; 807, connecting spring; 808, fixed disc frame; 809, main support plate; 810, side support plate; 811, locking screw; 812, top rod; 813, screw rod sleeve; 814, adjusting screw rod; 815, movable side cavity; 816, lifting bracket; 817, movable sleeve; 818, movable screw rod; 8 19. Fixed bevel gear; 820. Synchronous bevel gear; 821. Coaxial rod; 822. Adjusting bevel gear; 823. Transmission bevel gear; 824. Transmission gear; 825. Ring gear rack; 826. Push gear; 827. Servo motor; 828. Guide push block; 829. Slide rail; 830. Positioning pin; 9. Auxiliary measuring mechanism; 901. Traction ball shell; 902. Inner cavity; 903. Airbag; 904. Airbag support leg; 905. Measuring support rod; 906. Side arm rod; 907. Arc plate; 908. Connecting pin; 909. Return spring; 910. Rotating shaft; 911. Counterweight bead; 912. Ruler rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] like Figure 1As shown, a hydraulic ring geological fracture measuring device that can be accurately positioned includes a hollow cylindrical casing column 1 and an auxiliary supporting mechanism 8 arranged on the casing column 1. The end of the casing column 1 is provided with a fixed groove frame plate 2, and the fixed groove frame plate 2 is provided with a wheel frame 3. A fixed pipe wheel 4 and a wire wheel 6 are provided in the wheel frame 3. An air pipe 5 is wound around the fixed pipe wheel 4, and a measuring rope 7 is wound around the wire wheel 6. An auxiliary measuring mechanism 9 is provided at one end where the air pipe 5 and the measuring rope 7 pass through the casing column 1.

[0029] like Figure 1 and Figure 4As shown, a hydraulic ring geological crack measuring device that can be accurately positioned also includes an auxiliary support mechanism 8, which includes a hollow cylindrical threaded column 801 fixedly connected to the casing column 1, and the threaded column 801 is outer-circuited with a limiting internal threaded column 802, and the limiting internal threaded column 802 is outer-circuited with a column sleeve 803, and both sides of the column sleeve 803 are provided with a support rod 804, a bottom rod 805 and a connecting spring 807, the support rod 804 is movably pinned to the column sleeve 803, and a movable pin shaft 806 is passed between the support rod 804 and the bottom rod 805, one end of the connecting spring 807 is hooked on the support rod 804, and the other end is hooked on the bottom rod 805, and the auxiliary support mechanism 8 also includes a fixed disc frame 808 fixedly connected to the casing column 1, and both sides of the fixed disc frame 808 are provided with The main support plate 809 is provided with a screw sleeve 813 on the main support plate 809, and an adjusting screw sleeve 814 is inserted into the screw sleeve 813. The input end of the adjusting screw sleeve 814 is connected to the screw motor. A top rod 812 is provided on the screw sleeve 813. One end of the top rod 812 is movably pinned to the bottom rod 805, and the other end is movably pinned to the screw sleeve 813. The bottom rod 805 is movably pinned to the main support plate 809. Through the action of the screw motor, the screw sleeve 813 can be pushed to move by adjusting the screw 814, and the screw sleeve 813 is movably connected to the bottom rod 805 through the top rod 812. The screw sleeve 813 can apply thrust to the bottom rod 805 through the top rod 812, and the bottom rod 805 is connected to the support rod 805 through the movable pin shaft 806 and the connecting spring 807. 4 connection, the support rod 804 and the bottom rod 805 can be unfolded, and the bottom rod 805 can apply a thrust to the main support plate 809, so that the main support plate 809 can be rotated along the outside of the positioning pin 830, and the main support plate 809 can be unfolded until the main support plate 809 is adjusted to a horizontal state. At this time, the support rod 804 and the bottom rod 805 are pulled by the connecting spring 807, and the support rod 804 and the bottom rod 805 are kept on the same axis, the limiting internal threaded column 802 is moved along the central axis direction of the threaded column 801, and the column sleeve 803 is movably sleeved on the limiting internal threaded column 802, the limiting internal threaded column 802 and the column sleeve 803 can be moved synchronously, and a thrust is applied to the support rod 804 and the bottom rod 805, so that the support rod 804 and the bottom rod 805 apply pressure The main support plate 809 can limit the position of the main support plate 809, thereby effectively improving the supporting capacity of the main support plate 809 for the device. A side support plate 810 is penetrated at one end of the main support plate 809 away from the fixed disk rack 808, and a locking screw 811 is penetrated at the connection between the main support plate 809 and the side support plate 810, which can apply traction to the side support plate 810 and move the side support plate 810 along the central axis of the main support plate 809 until the side support plate 810 is stretched to an appropriate length. The main support plate 809 and the side support plate 810 are then fixedly connected by the locking screw 811, thereby effectively limiting the position of the main support plate 809 and the side support plate 810, so that the main support plate 809 and the side support plate 810 can provide support for the device.And keep the device support stable.

[0030] like Figure 1 、 Figure 2 and Figure 3 As shown, a hydraulic ring geological fracture measuring device capable of precise positioning also includes a fixed disc frame 808, movable side cavities 815 are opened on both sides of the fixed disc frame 808, a lifting bracket 816 is provided in the movable side cavity 815, and a guide push block 828 adapted to the movable side cavity 815, the lifting bracket 816 is composed of a plurality of groups of movable support rods crossing in an "X" shape, each group of two movable support rods connected by movable pins, one of which is connected to the fixed disc frame 808 by a movable pin, and the other is connected to a movable sleeve 817 by a movable screw rod 818 passing through the movable sleeve 817, and the input end of the movable screw rod 818 is connected to a fixed bevel gear 819 and a synchronous gear meshing with the fixed bevel gear 819. Step bevel gear 820, the input end of synchronous bevel gear 820 is connected with coaxial rod 821, the input end of coaxial rod 821 is connected with adjusting bevel gear 822, and transmission bevel gear 823 meshing with adjusting bevel gear 822, the input end of transmission bevel gear 823 is connected with transmission gear 824, the auxiliary support mechanism 8 also includes an annular ring gear rack 825, and a pushing gear 826 meshing with the ring gear rack 825, the input end of pushing gear 826 is connected with servo motor 827, the ring gear rack 825 meshes with transmission gear 824, one end of guide push block 828 is provided with slide rail 829, and the other end is provided with positioning pin 830 at the connection with side support plate 810, which is driven by servo motor 827. The ring gear rack 825 can be pushed to rotate by pushing the gear 826, and the ring gear rack 825 is engaged with the transmission gear 824. The ring gear rack 825 can apply thrust to the transmission gear 824, and the transmission gear 824 is connected to the transmission bevel gear 823, so that the transmission bevel gear 823 can be rotated synchronously with the transmission gear 824. The transmission bevel gear 823 is engaged with the adjusting bevel gear 822, and the adjusting bevel gear 822 is fixedly connected to the synchronous bevel gear 820 through the coaxial rod 821. The transmission gear 824 can push the fixed bevel gear 819 to rotate by the adjusting bevel gear 822, the coaxial rod 821 and the synchronous bevel gear 820, and the fixed bevel gear 819 is fixedly connected to the movable screw rod 818. The fixed bevel gear 819 and the movable screw rod 818 are rotated synchronously, the movable screw rod 818 can pull the movable sleeve 817 to move, and the movable sleeve 817 is movably connected to the lifting bracket 816. The movable sleeve 817 can pull the lifting bracket 816 to retract, so that the lifting bracket 816 can pull the guide push block 828 to move along the central axis of the movable side cavity 815, and the guide push block 828 is movably connected to the side support plate 810 through the positioning pin 830, and one end of the side support plate 810 can be pulled into the interior of the movable side cavity 815, so that the side support plate 810 can be kept in a horizontal state and prevented from rotating, thereby improving the support stability provided by the side support plate 810 to the device.

[0031] like Figure 1 、 Figure 5 and Figure 6 As shown, a hydraulic ring geological fracture measuring device that can be accurately positioned also includes an auxiliary measuring mechanism 9, which includes a traction ball shell 901, an inner cavity 902 is opened in the traction ball shell 901, an air bag 903 connected to the trachea 5 is provided in the inner cavity 902, and both sides of the air bag 903 are connected to air bag legs 904, and both sides of the inner cavity 902 are provided with a measuring support rod 905, and the measuring support rod 905 is provided with a ruler rod 912 adapted to the measuring support rod 905. The measuring support rod 905 is provided with two symmetrically distributed side arm rods 906, one end of the side arm rod 906 is movably pinned to the measuring support rod 905, and the other end is movably pinned to an arc plate 907, and the end of the ruler rod 912 is movably pinned to the measuring support rod 905. The arc plate 907 is movably connected to the traction ball shell 901 through the connecting pin 908. The outer sleeve of the measuring support rod 905 is provided with a return spring 909. The traction ball shell 901 is also provided with a number of counterweight beads 911. One end of the air pipe 5 can be connected to the air supply equipment, and the other end is connected to the air bag 903. One end of the measuring rope 7 led out from the inside of the casing column 1 is extended into the inner cavity 902 of the traction ball shell 901, and the measuring rope 7 is extended into the inside of the side arm rod 906, and the measuring rope 7 is passed around the rotating shaft 910 of the ruler rod 912, and then the measuring rope 7 is passed through the end of another measuring support rod 905, and the measuring rope 7 is fixed to the end of the ruler rod 912, and the traction ball shell is fixed. 901 is placed into the crack until the traction ball shell 901 is subjected to its own weight and the action of several counterweight beads 911, and the two measuring rods 905 of the traction ball shell 901 can be kept in a horizontal state, and the traction ball shell 901 is placed in a suitable position. At this time, the current length A of the measuring rope 7 is recorded, and then the gas is introduced into the interior of the air bag 903 along the air pipe 5 through the air supply equipment, and the air bag 903 is connected with the air bag legs 904. The air bag legs 904 extend into the interior of the measuring rod 905, and the air bag 903 and the air bag legs 904 are gradually expanded. The air bag 903 can apply thrust to the measuring rod 905, and the measuring rod 905 passes through the side arm rod 90 6 is movably connected to the arc plate 907, and the arc plate 907 is movably connected to the traction ball shell 901 through the connecting pin 908. The measuring support rod 905 can push the arc plate 907 to rotate along the outer side of the connecting pin 908 through the side arm rod 906, and the arc plate 907 can be unfolded to block particles falling from the gap, which is used to protect the measuring support rod 905 and the ruler rod 912. The airbag leg 904 can push the ruler rod 912 to move along the central axis of the measuring support rod 905 until the ruler rod 912 is against the gap, and the measuring rope 7 can be stretched to measure the current length B of the measuring rope 7. The length B is subtracted from the length A, and then the distance between the ends of the two measuring support rods 905 in the initial state is added to obtain the width of the gap.

[0032] Working principle: First, through the action of the screw motor, the screw rod 814 can be adjusted to push the screw rod sleeve 813 to move, and the screw rod sleeve 813 is movably connected to the bottom rod 805 through the top rod 812, and the screw rod sleeve 813 can apply thrust to the bottom rod 805 through the top rod 812, and the bottom rod 805 is connected to the support rod 804 through the movable pin 806 and the connecting spring 807, so that the support rod 804 and the bottom rod 805 can be unfolded, and the bottom rod 805 can apply thrust to The main support plate 809 can be rotated along the outside of the positioning pin 830 to unfold the main support plate 809 until it is adjusted to a horizontal state, and then the limiting internal threaded column 802 is moved along the central axis of the threaded column 801, and the limiting internal threaded column 802 and the column sleeve 803 are moved synchronously, and a thrust is applied to the support rod 804 and the bottom rod 805, so that the support rod 804 and the bottom rod 805 apply pressure to the main support plate 809;

[0033] Secondly, through the action of the servo motor 827, the ring gear rack 825 can be pushed to rotate by pushing the gear 826, and the ring gear rack 825 is engaged with the transmission gear 824. The ring gear rack 825 can apply thrust to the transmission gear 824, and the transmission bevel gear 823 and the transmission gear 824 are rotated synchronously. The transmission gear 824 can push the fixed bevel gear 819 to rotate by adjusting the bevel gear 822, the coaxial rod 821 and the synchronous bevel gear 820, and the fixed bevel gear 819 is fixedly connected to the movable screw rod 818, and the fixed bevel gear 819 can be connected to the movable screw rod 818. The movable screw rod 818 rotates synchronously, and the movable screw rod 818 can pull the movable sleeve 817 to move, and the movable sleeve 817 is movably connected to the lifting bracket 816. The movable sleeve 817 can pull the lifting bracket 816 to retract, so that the lifting bracket 816 can pull the guide push block 828 to move along the central axis of the movable side cavity 815. The guide push block 828 is movably connected to the side support plate 810 through the positioning pin 830, and can pull one end of the side support plate 810 into the interior of the movable side cavity 815, so that the side support plate 810 can be kept in a horizontal state.

[0034] Next, the side support plate 810 can be moved along the central axis of the main support plate 809 until the side support plate 810 is stretched to a suitable length, and then the main support plate 809 and the side support plate 810 are fixedly connected by the locking screw 811;

[0035] Then, place the traction ball shell 901 into the crack until the traction ball shell 901 is subjected to its own weight and the action of several counterweight beads 911, so that the two measuring rods 905 of the traction ball shell 901 can be kept in a horizontal state, and the traction ball shell 901 is placed in a suitable position. At this time, the current length A of the measuring rope 7 is recorded, and then the gas is introduced into the interior of the airbag 903 along the trachea 5 through the air supply device, and the airbag 903 is connected to the airbag legs 904, and the airbag legs 904 extend into the interior of the measuring rod 905, so that the airbag 903 and the airbag legs 904 can be gradually expanded, and the airbag 903 can apply thrust to the measuring rod 905, and the measuring rod 905 passes through the side The arm rod 906 is movably connected to the arc plate 907, and the arc plate 907 is movably connected to the traction ball shell 901 through the connecting pin 908. The measuring support rod 905 can push the arc plate 907 to rotate along the outer side of the connecting pin 908 through the side arm rod 906, and the arc plate 907 can be unfolded to block particles falling from the gap, which is used to protect the measuring support rod 905 and the ruler rod 912. The airbag leg 904 can push the ruler rod 912 to move along the central axis of the measuring support rod 905 until the ruler rod 912 is against the gap, and the measuring rope 7 can be stretched to measure the current length B of the measuring rope 7. The length B is subtracted from the length A, and then the distance between the ends of the two measuring support rods 905 in the initial state is added to obtain the width of the gap.

[0036] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring geological fractures in a hydraulic ring capable of precise positioning, comprising a hollow cylindrical casing column (1) and an auxiliary support mechanism (8) arranged on the casing column (1), characterized in that: The end of the casing column (1) is provided with a fixed groove frame plate (2), the fixed groove frame plate (2) is provided with a wheel frame (3), the wheel frame (3) is provided with a fixed pipe wheel (4) and a wire wheel (6), the fixed pipe wheel (4) is wound with an air pipe (5), the wire wheel (6) is wound with a measuring rope (7), and the air pipe (5) and the measuring rope (7) are passed through one end of the casing column (1) and provided with an auxiliary measuring mechanism (9); The auxiliary measurement mechanism (9) includes a traction ball shell (901), an inner cavity (902) is provided in the traction ball shell (901), an air bag (903) in communication with the trachea (5) is provided in the inner cavity (902), and air bag legs (904) are connected to both sides of the air bag (903); Both sides of the inner cavity (902) are provided with a measuring rod (905), a ruler rod (912) adapted to the measuring rod (905) is provided in the measuring rod (905), two symmetrically distributed side arm rods (906) are provided on the measuring rod (905), one end of the side arm rod (906) is movably pinned to the measuring rod (905), and the other end is movably pinned to an arc-shaped arc plate (907), a connecting pin (908) is passed through the end of the ruler rod (912), and the arc plate (907) is movably connected to the traction ball shell (901) through the connecting pin (908), and a return spring (909) is provided on the outer cover of the measuring rod (905); A plurality of weight beads (911) are also provided in the traction ball shell (901); and the measuring device is used to obtain the width of the gap.

2. The device for measuring geological fractures in a hydraulic ring capable of precise positioning according to claim 1, characterized in that: The auxiliary support mechanism (8) comprises a hollow cylindrical threaded column (801) fixedly connected to the casing column (1); the threaded column (801) is provided with a limiting internal threaded column (802) on its outer sleeve; the limiting internal threaded column (802) is provided with a column sleeve (803) on its outer sleeve; both sides of the column sleeve (803) are provided with a support rod (804), a bottom rod (805) and a connecting spring (807); the support rod (804) is movably pinned to the column sleeve (803); a movable pin shaft (806) is passed between the support rod (804) and the bottom rod (805); one end of the connecting spring (807) is hooked on the support rod (804), and the other end is hooked on the bottom rod (805).

3. The device for measuring geological fractures in a hydraulic ring capable of precise positioning according to claim 2, characterized in that: The auxiliary support mechanism (8) further comprises a fixed disc frame (808) fixedly connected to the casing column (1), main support plates (809) are provided on both sides of the fixed disc frame (808), a screw rod sleeve (813) is provided on the main support plate (809), an adjusting screw rod (814) is passed through the screw rod sleeve (813), an input end of the adjusting screw rod (814) is connected to a screw motor, a top rod (812) is provided on the screw rod sleeve (813), one end of the top rod (812) is movably pin-connected to the bottom rod (805), and the other end is movably pin-connected to the screw rod sleeve (813), and the bottom rod (805) is movably pin-connected to the main support plate (809).

4. The device for measuring geological fractures in a hydraulic ring capable of precise positioning according to claim 3, characterized in that: A side support plate (810) is provided at one end of the main support plate (809) away from the fixed disk rack (808), and a locking screw (811) is provided at the connection between the main support plate (809) and the side support plate (810).

5. The device for measuring geological fractures in a hydraulic ring capable of accurate positioning according to claim 3, characterized in that: Both sides of the interior of the fixed disk rack (808) are provided with movable side cavities (815), and the movable side cavities (815) are provided with lifting brackets (816) and guide push blocks (828) adapted to the movable side cavities (815). The lifting brackets (816) are composed of a plurality of groups of movable support rods that cross in an "X" shape, and each group of movable support rods is connected by two movable pins, one of which is connected to the fixed disk rack (808), and the other is connected to a movable sleeve (817), and the movable sleeve (817) is provided with a movable support rod. A movable screw rod (818) is provided, wherein the input end of the movable screw rod (818) is connected to a fixed helical gear (819) and a synchronous helical gear (820) meshed with the fixed helical gear (819); the input end of the synchronous helical gear (820) is connected to a coaxial rod (821); the input end of the coaxial rod (821) is connected to an adjusting helical gear (822) and a transmission helical gear (823) meshed with the adjusting helical gear (822); and the input end of the transmission helical gear (823) is connected to a transmission gear (824).

6. The device for measuring geological fractures in a hydraulic ring capable of precise positioning according to claim 1, characterized in that: The auxiliary support mechanism (8) further comprises an annular ring gear rack (825) and a pushing gear (826) meshed with the ring gear rack (825), wherein the input end of the pushing gear (826) is connected to a servo motor (827), and the ring gear rack (825) is meshed with a transmission gear (824).

7. The device for measuring geological fractures in a hydraulic ring capable of accurate positioning according to claim 5, characterized in that: One end of the guide push block (828) is provided with a slide rail (829), and the connection between the other end and the side support plate (810) is provided with a positioning pin (830).

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