Shaft integrity detection device

Abstract

The utility model discloses a shaft integrity detection device, which belongs to the technical field of shaft detection and comprises a cable, one end of the cable is connected with a connecting block, the bottom of the connecting block is connected with an imaging module, the outer wall of the connecting block is connected with a plurality of connecting blocks, and one side of each connecting block is connected with the same protective frame. A plurality of buffer devices are embedded in the protective frame, and each buffer device comprises a fixing block; according to the utility model, the imaging module is placed in the shaft, then the inner wall of the shaft extrudes the moving wheels, so that the moving wheels move inwards under stress, the connecting plates drive the moving blocks to move inwards, the springs are extruded, the springs are contracted to generate counter-acting force, and the protective frame is stabilized through the springs on the four sides at the same time; and then the protective frame stabilizes the connecting block through the connecting block, so that the connecting block stabilizes the imaging module, and the imaging module is prevented from shaking in the shaft to influence detection.

Description

TECHNICAL FIELD

[0001] The utility model belongs to shaft detection technical field especially relates to a shaft integrity detection device. BACKGROUND

[0002] The shaft of oil field refers to the cylindrical passage that is drilled from the ground through drilling tool in the oil field development process, is used for leading to the oil and gas layer underground, and this cylindrical passage is called shaft or wellbore, and it is the main passage of oil and gas from underground to the ground, but after long time use, the shaft will be worn due to use, so that the electromagnetic aperture radar imaging device needs to be inserted into the shaft to check, guaranteeing normal use of the shaft.

[0003] But in the actual use process, when the situation in the shaft is detected, the electromagnetic aperture radar imaging device is reeled in and out by means of the cable, so that the electromagnetic aperture radar imaging device is inserted into the shaft, and the electromagnetic aperture radar imaging device is easy to shake due to inertia during moving in the well, and then collides with the well wall, affecting the stability during detection. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of shaft integrity detection devices, and the purpose is to solve the problem that imaging device shakes when being lowered in shaft, and a kind of shaft integrity detection device is presented.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of shaft integrity detection device, including cable, the cable one end is connected with connecting block, the connecting block bottom is connected with imaging module, and connecting block outer wall is connected with multiple links, and multiple links one side is connected with same protection frame, the protection frame is inlaid with multiple buffer devices, the buffer device includes fixed block, the fixed block one side is equipped with movable slot, the movable slot is installed with adjusting device, the movable slot is slidably connected with movable block, the movable block one side is connected with link plate, the link plate one side is connected with two mounting plates, and two mounting plates are rotatably connected with two moving wheels, the movable block one side is connected with two springs.

[0006] As a further description of the above technical solution:

[0007] The other end of the spring is connected with the side of the adjusting device, and the fixed block is embedded in the side wall of the protection frame.

[0008] As a further description of the above technical solution:

[0009] The movable block is equipped with trapezoidal slot on both sides, the movable slot inner wall is connected with trapezoidal block on both sides, and the trapezoidal block outer wall is slidably connected with the corresponding trapezoidal slot inner wall.

[0010] As a further description of the above technical solution:

[0011] The movable block is provided with two fixing grooves on one side, and a fixing rod is slidably connected in the fixing grooves, one end of the fixing rod is connected with the adjusting device, and the spring is sleeved on the fixing rod.

[0012] As a further description of the above technical solution:

[0013] The adjusting device comprises an adjusting plate, one side of the adjusting plate is rotatably connected with a threaded rod, one end of the threaded rod is connected with a knob, one side of the adjusting plate is connected with two slide rods, and the two slide rods are located on two sides of the threaded rod.

[0014] As a further description of the above technical solution:

[0015] A nut is embedded on one side of the inner wall of the movable groove, and the threaded inner wall is threadedly connected with the threaded rod outer wall, two slide sleeves are embedded on one side of the movable groove, the slide sleeves are slidably connected with the slide rod outer wall, one end of the adjusting plate is connected with one end of the spring and one end of the fixing rod, and the adjusting plate outer wall is slidably connected with the movable groove inner wall.

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

[0017] The connecting block outer wall is provided with a plurality of stroke grooves, and one end of the threaded rod extends into the stroke grooves.

[0018] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0019] 1. In the present application, the imaging module is placed in the shaft, and then the moving wheel is extruded by the inner wall of the shaft, so that the moving wheel moves inward under stress, thereby driving the movable block to move inward, extruding the spring, making the spring contract to generate a reaction force, and then stabilizing the protective frame through the four springs, and then making the protective frame stabilize the connecting block, thereby stabilizing the imaging module, avoiding the shaking of the imaging module in the shaft and affecting the detection.

[0020] 2. In the present application, the adjusting device is provided, the knob is rotated to drive the threaded rod to rotate, the threaded rod moves to one side, the threaded rod drives the adjusting plate to move to one side, the adjusting plate drives the fixing rod and the spring to move to one side, the movable block moves outward, and then four movable blocks form different sizes of protective diameters, so that the device can adapt to different sizes of shafts, and the application range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A three-dimensional structure schematic diagram of a shaft integrity detection device is provided in the present application;

[0022] Fig. 2 A buffer device structure schematic view of a shaft integrity detection device is provided in the utility model.

[0023] Fig. 3 An adjusting device structure schematic view of a shaft integrity detection device is provided in the utility model.

[0024] Legend: 1, cable; 2, connecting block; 3, connecting block; 4, protection frame; 5, imaging module; 6, buffer device; 601, fixed block; 602, trapezoidal block; 603, movable groove; 604, spring; 605, fixed rod; 606, trapezoidal groove; 607, movable block; 608, connecting plate; 609, moving wheel; 610, mounting plate; 7, adjusting device; 701, sliding rod; 702, knob; 703, threaded rod; 704, adjusting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figs. 1-3 The utility model provides a technical scheme: a shaft integrity detection device, including cable 1, the one end of cable 1 is connected with connecting block 2, connecting block 2 bottom is connected with imaging module 5, and connecting block 2 outer wall is connected with multiple connecting blocks 3, and multiple connecting blocks 3 one side is connected with same protection frame 4, protection frame 4 is inlayed with multiple buffer devices 6, buffer device 6 includes fixed block 601, one side of fixed block 601 is provided with movable groove 603, movable groove 603 is installed with adjusting device 7, movable groove 603 is slidably connected with movable block 607, movable block 607 one side is connected with connecting plate 608, connecting plate 608 one side is connected with two mounting plates 610, and two mounting plates 610 are rotatably connected with two moving wheels 609 between, movable block 607 one side is connected with two springs 604, spring 604 other end is connected with adjusting device 7 one side, and fixed block 601 is inlayed in protection frame 4 side wall, movable block 607 both sides are provided with trapezoidal groove 606, movable groove 603 inner wall both sides are connected with trapezoidal block 602, trapezoidal block 602 outer wall is slidably connected with corresponding trapezoidal groove 606 inner wall, movable block 607 one side is provided with two fixed grooves, and fixed groove is slidably connected with fixed rod 605, fixed rod 605 other end is connected with adjusting device 7 one side, spring 604 is sleeved in fixed rod 605 outside.

[0027] The specific embodiment is characterized in that the imaging module 5 is placed into the wellbore through the cable 1 by setting the buffering device 6, the moving wheel 609 is extruded to move by the inner wall of the wellbore, the moving wheel 609 is driven to move inward by the force, the mounting plate 610 is driven to move inward by the moving wheel 609, the connecting plate 608 is driven to move inward by the mounting plate 610, the movable block 607 is driven to move inward by the connecting plate 608, the spring 604 is extruded by the movable block 607, the spring 604 is contracted to generate a reaction force, the spring 604 is supported by the fixed rod 605, the spring 604 is prevented from being bent to affect the rebound effect when being compressed, the protection frame 4 is stabilized by the four springs 604 at the same time, the protection frame 4 is stabilized by the connecting block 3 to the connecting block 2, the connecting block 2 is stabilized to the imaging module 5, the imaging module 5 is prevented from shaking in the wellbore to affect detection, the fixed rod 605 is dampedly slid in the fixed groove on the side of the movable block 607, the damping force is used to offset the elastic potential energy of the spring 604, the spring 604 is prevented from continuously shaking due to no constraint force, and the stability of the imaging module 5 is further affected, the imaging module 5 is an electromagnetic aperture radar imaging device, the transmitter in the electromagnetic aperture radar imaging device generates and emits electromagnetic waves, the receiver receives electromagnetic waves reflected by a target, the signal processor processes the received electromagnetic waves, extracts target information, and finally the display displays the processed information, and the technology is prior art and does not need to be described in detail.

[0028] The adjusting device 7 comprises an adjusting plate 704, one side of the adjusting plate 704 is connected with a threaded rod 703, the other end of the threaded rod 703 is connected with a knob 702, one side of the adjusting plate 704 is connected with two sliding rods 701, the two sliding rods 701 are located on the two sides of the threaded rod 703, a nut is embedded on one side of the inner wall of the movable groove 603, the threaded inner wall is in threaded connection with the outer wall of the threaded rod 703, two sliding sleeves are embedded on one side of the movable groove 603, the sliding sleeves are in sliding connection with the outer walls of the sliding rods 701, one end of the spring 604 and one end of the fixed rod 605 are connected with the adjusting plate 704 respectively, the outer wall of the adjusting plate 704 is in sliding connection with the inner wall of the movable groove 603, a plurality of stroke grooves are formed in the outer wall of the connecting block 2, and one end of the threaded rod 703 extends into the stroke groove.

[0029] Specifically, by setting the adjusting device 7, by using the wrench to rotate the knob 702, so that the knob 702 drives the threaded rod 703 to rotate, and then through the nut embedded in the inner wall of the movable groove 603, the threaded rod 703 moves to one side through the screw thread in the nut, and then the threaded rod 703 drives the adjusting plate 704 to move to one side, the sliding rod 701 is arranged to support the adjusting plate 704, so that the adjusting plate 704 is prevented from deviating during movement and affecting movement, and then the adjusting plate 704 drives the fixed rod 605 and the spring 604 to move to one side, so that the movable block 607 moves outward, the movable block 607 drives the moving wheel 609 to move outward through the connecting plate 608, and then the four moving wheels 609 form different sizes of protective diameters, so that the device can adapt to different sizes of wellbores, and the application range of the device is improved.

[0030] Working principle: in use, the imaging module 5 is placed into the wellbore through the cable 1, then the moving block is extruded through the inner wall of the wellbore, so that the moving wheel 609 drives the connecting plate 608 to move inward through the mounting plate 610, and then the connecting plate 608 drives the movable block 607 to move inward, so that the movable block extrudes the spring 604, the spring 604 is contracted to generate a rebounding force, and the rebounding force of the spring 604 is released to the other side due to the limitation of the movable block 607 through the moving wheel 609, and then the plurality of springs 604 stabilize the protective frame 4, so that the protective frame 4 stabilizes the connecting block 2 through the connecting block 3, and the connecting block 2 stabilizes the imaging module 5, so as to avoid the imaging module 5 from shaking in the wellbore and affecting detection, and when detecting different sizes of wellbores, the knob 702 is rotated to drive the threaded rod 703 to rotate, and then the threaded rod 703 moves to one side through the nut, so as to drive the adjusting plate 704 to move to one side, the adjusting plate 704 drives the fixed rod 605 and the spring 604 to move, and then the movable block 607 moves outward, so that the movable block 607 drives the connecting plate 608 to move, the connecting plate 608 drives the moving wheel 609 to move through the mounting plate 610, so that the moving wheels 609 on four sides form different diameters of contact surfaces, so that the device can detect different sizes of wellbores.

[0031] In the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances;

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A borehole integrity detection device comprising a cable (1), characterized in that, The cable (1) is connected with a connecting block (2), the bottom of the connecting block (2) is connected with an imaging module (5), and the outer wall of the connecting block (2) is connected with a plurality of connecting blocks (3), and one side of the plurality of connecting blocks (3) is connected with the same protective frame (4), a plurality of buffer devices (6) are embedded in the protective frame (4), the buffer device (6) comprises a fixed block (601), one side of the fixed block (601) is provided with a movable slot (603), the movable slot (603) is provided with an adjusting device (7), the movable slot (603) is slidably connected with a movable block (607), one side of the movable block (607) is connected with a connecting plate (608), one side of the connecting plate (608) is connected with two mounting plates (610), and two movable wheels (609) are rotatably connected between the two mounting plates (610), one side of the movable block (607) is connected with two springs (604).

2. A borehole integrity detection apparatus as defined in claim 1, wherein, The other end of the spring (604) is connected with one side of the adjusting device (7), and the fixed block (601) is embedded in the side wall of the protective frame (4).

3. A wellbore integrity detection apparatus according to claim 1, wherein, The movable block (607) is provided with a trapezoidal slot (606) on both sides, and the movable slot (603) is connected with a trapezoidal block (602) on both sides.

4. The apparatus of claim 1, wherein, The movable block (607) is provided with two fixed slots on one side, and the fixed slots are slidably connected with a fixed rod (605), the other end of the fixed rod (605) is connected with one side of the adjusting device (7), and the spring (604) is sleeved on the fixed rod (605).

5. The apparatus of claim 1, wherein, The adjusting device (7) comprises an adjusting plate (704), one side of the adjusting plate (704) is rotatably connected with a threaded rod (703), the other end of the threaded rod (703) is connected with a knob (702), one side of the adjusting plate (704) is connected with two slide rods (701), and the two slide rods (701) are located on both sides of the threaded rod (703).

6. The apparatus of claim 1, wherein, The inner wall of the movable slot (603) is embedded with a nut, and the threaded inner wall is threadedly connected with the outer wall of the threaded rod (703), and the movable slot (603) is embedded with two slide sleeves on one side, and the slide sleeves are slidably connected with the outer wall of the slide rod (701), and one end of the spring (604) and one end of the fixed rod (605) are connected with the adjusting plate (704) on one side, and the outer wall of the adjusting plate (704) is slidably connected with the inner wall of the movable slot (603).

7. The apparatus of claim 1, wherein, The outer wall of the connecting block (2) is provided with a plurality of stroke grooves, and one end of the threaded rod (703) extends into the stroke groove.

Images