CN112147144A - Mobile deep hole inspection equipment - Google Patents

Abstract

The invention discloses a mobile deep hole detection device, which is used for detecting a plurality of machining holes arranged on a circular arc curve along the circumferential direction, at least one of the plurality of machining holes is a hole to be detected, and the mobile deep hole The detection equipment includes a base and a detection device, the base includes a mounting plate movably installed along a circular arc curve, the upper end face of the mounting plate is provided with a positioning hole, and the positioning hole is used to correspond to the hole to be detected; the detection The device includes a base movably penetrated through the positioning hole along an up-down direction, and a detection structure rotatably mounted on the base along an up-down axis, and the detection structure is used for extending into the to-be-detected hole for quality detection. The detection structure has a movement stroke that moves up and down and rotates along the up and down axis, so that the detection structure can perform the internal quality detection of the hole to be detected in the up and down and circumferential directions, which is convenient for adjustment and improves the detection efficiency.

Description

Mobile deep hole inspection equipment

technical field

The invention relates to the technical field of mechanical engineering, in particular to a mobile deep hole detection device.

Background technique

In the process of production, processing or inspection, the detection of some deep holes will be encountered. The existing mechanical equipment requires higher and higher precision in the process of processing and assembly, and deep holes are the most common in machining. In some relatively precise environments, the precision requirements of deep hole processing are more obvious, and the manual inspection of deep hole processing quality can no longer meet the requirements of today's society.

Traditional inspection tools generally use scanning equipment to detect the machining quality of the surface of the machined hole, but this method cannot effectively complete the inspection when facing deeper machined holes, and often needs to continuously adjust and measure multiple times to determine the machining of deep holes. quality.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a mobile deep hole inspection device, which can complete the quality inspection of the inner wall of the deep hole through a stable structure, with high inspection efficiency, stability and reliability.

In order to achieve the above purpose, the present invention proposes a mobile deep hole detection device, comprising:

a machine base, the machine base includes a mounting plate movably installed along a circular arc curve, the upper end surface of the mounting plate is provided with a positioning hole, and the positioning hole is used to correspond to the hole to be detected; and,

The detection device includes a base that is movably penetrated through the positioning hole in the up-down direction, and a detection structure that is rotatably installed on the base along the up-down axis, and the detection structure is used to extend into the to-be-detected hole for quality inspection. detection.

Optionally, the detection device further includes a lift drive assembly, and the lift drive assembly includes:

a support seat, which is fixedly installed on the machine seat and located above the positioning hole, and the support seat is provided with a through hole corresponding to the positioning hole;

a first drive motor, including a first drive shaft extending up and down;

a ball screw, the upper end of the screw of the ball screw is fixedly mounted on the support seat; and,

A gear set includes a first gear and a second gear, the first gear is fixedly mounted on the lower end of the first drive shaft and rotates coaxially with the first drive shaft, and the second gear is fixedly mounted on the first drive shaft the lower end of the screw of the ball screw, and rotates coaxially with the screw of the ball screw;

Wherein, the base is fixedly connected with the nut of the ball screw.

Optionally, the detection device further includes a rotating assembly, and the rotating assembly includes:

a fixed seat, fixedly mounted on the lower end face of the base; and,

The second drive motor is arranged on the fixing base, the second drive motor includes a second drive shaft extending in the up-down direction, and the lower end of the second drive shaft is fixedly connected with the detection structure.

Optionally, the detection structure includes a camera, and the camera is detachably mounted to the lower end of the second drive shaft.

Optionally, the detection structure further includes a buffer pad covering the outer surface of the camera; and/or,

The detection structure further includes a camera bracket extending in the up-down direction, the upper end of the camera bracket is fixedly connected with the second drive shaft, and the lower end of the camera bracket is used for installing the camera.

Optionally, a position sensor is provided on the mounting plate.

Optionally, the lower end of the base is provided with a positioning protrusion, and the positioning protrusion is provided with a gradually decreasing diameter along the top and bottom, and the side surface of the positioning protrusion is used to abut against the edge of the hole to be detected, so as to prevent the detection of the hole. The downward movement of the detection structure is limited.

Optionally, the lower end surface of the mounting plate is provided with a plurality of rollers, and the plurality of rollers are arranged at intervals along the circumferential direction of the mounting plate.

Optionally, a plurality of the machining holes further include a plurality of positioning reference holes, and an arc-shaped track for adapting to the arc curve is formed on the upper end surface of the mounting plate;

The mobile deep hole detection equipment further includes a step-by-step positioning device, and the step-by-step positioning device includes:

a moving assembly, comprising two moving blocks movably mounted to the arc-shaped track, and the two moving blocks are spaced apart along the length direction of the mounting plate; and,

The positioning assembly includes a first positioning cylinder and two second positioning cylinders, the first positioning cylinder is movably installed to the lower end surface of the mounting plate in the up-down direction, and is spaced apart from the two moving blocks, and the first positioning cylinder is The lower end of a positioning cylinder is used to extend into one of the positioning reference holes, and the two second positioning cylinders are arranged corresponding to the two moving blocks, and are movably installed on the two moving blocks in the up-down direction. the lower end face of the block, the lower ends of the two second positioning cylinders are used to extend into two of the positioning reference holes;

Wherein, among the first positioning cylinder and the two second positioning cylinders, at least two of them are used to extend into the corresponding positioning reference holes.

Optionally, the moving assembly further includes two first driving cylinders, both of which extend along the length direction of the mounting plate, and the cylinder barrels of the two first driving cylinders extend up and down respectively. The cylinder rods of the two first driving cylinders are movably installed in the middle of the mounting plate along the vertical axis.

In the technical solution of the present invention, the entire device is moved through a mounting plate that can move along a circular arc curve, and the detection structure has a movement stroke that moves up and down and rotates along the up and down axis, so that the detection structure can move up and down. The internal quality inspection of the hole to be inspected is carried out in the direction and the circumferential direction, which is convenient to adjust and improves the inspection efficiency. By choosing different inspection structures, it is possible to perform internal avoidance thread state inspection, height inspection, roundness inspection, etc.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

1 is a schematic perspective view of an embodiment (one angle) of a mobile deep hole detection device provided by the present invention;

FIG. 2 is a schematic perspective view of an embodiment (another angle) of the mobile deep hole detection device in FIG. 1;

Fig. 3 is the enlarged schematic diagram of part A in Fig. 2;

Fig. 4 is the three-dimensional schematic diagram of the step-by-step positioning device (one angle) in Fig. 1;

FIG. 5 is a schematic diagram of the step-by-step positioning device in FIG. 1 (another angle).

Description of reference numbers:

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that, if there is a directional indication involved in the embodiment of the present invention, the directional indication is only used to explain the relative positional relationship, motion, etc. between the components under a certain posture. If the specific posture changes , the directional indication changes accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

In the process of production, processing or inspection, the detection of some deep holes will be encountered. The existing mechanical equipment requires higher and higher precision in the process of processing and assembly, and deep holes are the most common in machining. In some relatively precise environments, the precision requirements of deep hole processing are more obvious, and the manual inspection of deep hole processing quality can no longer meet the requirements of today's society. Traditional inspection tools generally use scanning equipment to detect the machining quality of the surface of the machined hole, but this method cannot effectively complete the inspection when facing deeper machined holes, and often needs to continuously adjust and measure multiple times to determine the machining of deep holes. quality.

In view of this, the present invention provides a mobile deep hole inspection device, which can complete the quality inspection of the inner wall of the deep hole through a stable structure, with high inspection efficiency, stability and reliability. In the present invention, for the detection of a plurality of machining holes arranged in the circumferential direction on an arc curve, that is, the plurality of machining holes are distributed along the same center of the circle. 1 to 5 are embodiments of the mobile deep hole inspection equipment provided by the present invention.

Referring to FIGS. 1 to 2 , the mobile deep hole inspection equipment 100 includes a base 1 and a detection device. The base 1 includes a mounting plate 11 movably installed along a circular arc curve, and an upper end surface of the mounting plate 11 is provided with Positioning holes 111, the positioning holes 111 are used to correspond to the holes to be detected; the detection device includes a base 21 that is movably penetrated through the positioning holes 111 in the up-down direction, and is rotatably installed on the base 21 along the up-down axis. The detection structure is used to extend into the to-be-detected hole for quality detection.

In the technical solution of the present invention, the entire device is moved through the mounting plate 11 that can move along the arc curve, and the detection structure has a movement stroke of moving up and down and rotating along the up and down axis, so that the detection structure can The internal quality inspection of the hole to be inspected is carried out in the up and down direction and the circumferential direction, which is convenient to adjust and improves the inspection efficiency. By choosing different inspection structures, it can carry out internal avoidance thread state inspection, height inspection, roundness inspection, etc.

Specifically, in order to realize the up and down movement of the base 21 , please refer to FIG. 3 , the detection device further includes a lift drive assembly, and the lift drive assembly includes a support base 221 , a first drive motor 222 , a ball screw 223 and a gear group, the support base 221 is fixedly installed on the machine base 1, and is located above the positioning hole 111, the support base 221 is provided with a through hole corresponding to the positioning hole 111; the first drive motor 222 It includes a first drive shaft extending up and down; the upper end of the screw of the ball screw 223 is fixedly installed on the support seat 221; the gear set includes a first gear and a second gear, and the first gear is fixedly installed At the lower end of the first drive shaft and rotating coaxially with the first drive shaft, the second gear is fixedly mounted on the lower end of the screw of the ball screw 223, and is connected with the screw of the ball screw 223. Coaxial rotation; wherein, the base 21 is fixedly connected with the nut of the ball screw 223 . The rotation of the first driving motor 222 drives the screw of the ball screw 223 to rotate. At this time, the base 21 moves up and down under the driving of the nut to achieve the driving effect. The setting structure is simple, and the base 21 has a simple structure. Running up and down is more stable.

Not only that, the up and down movement of the base 21 can also be realized by means of scissors mechanism, belt transmission, etc., which will not be described in detail here.

Further, in order to realize the rotation action of the detection structure, in this embodiment, the detection device further includes a rotation component 23, and the rotation component 23 includes a fixed seat 231 and a second drive motor 232. The fixed seat 231 is fixedly installed on the lower end surface of the base 21; the second driving motor 232 is arranged on the fixing base 231, and the second driving motor 232 includes a second driving shaft extending in an up-down direction. The lower end of the shaft is fixedly connected with the detection structure. The fixed seat 231 is relatively fixed with the base 21 , the second drive shaft can move up and down under the drive of the base 21 , the rotation of the second drive shaft directly drives the detection structure to rotate, and the structure is simple , easy to set up.

It should be noted that, the rotation of the detection structure can also be realized by gear transmission and manual drive, which will not be repeated here.

In the present invention, the specific function of the detection structure is not limited. In this embodiment, the detection structure includes a camera, and the camera is detachably mounted to the lower end of the second drive shaft. When the hole to be inspected is a deep hole with internal threads, the camera can move up and down to change its position relative to the hole to be inspected, and rotating the camera can observe the internal thread of the hole to be inspected to determine its quality status.

The detection structure can also include a height gauge to detect the depth of the hole to be detected, which can be a dial gauge, the probe of the dial gauge is in contact with the inner wall surface of the hole to be detected, and the dial gauge is rotated by observing its The pointer changes to determine the roundness of the hole to be detected.

In order to prevent the camera from falling too low and colliding with the bottom wall of the hole to be detected, causing damage to components, in one embodiment, the detection structure further includes a buffer pad covering the outer surface of the camera, as the A buffer for the camera, protecting the camera. The cushion can be rubber or sponge.

Different types of cameras may be required for different shooting requirements, and the cameras need to be replaced before each detection. In order to facilitate installation, in other embodiments of the present invention, the detection structure further includes a camera bracket 241 extending in the up-down direction. The upper end of the camera bracket 241 is fixedly connected with the second drive shaft, and the lower end of the camera bracket 241 is used for installing the camera. Specifically, it can be installed and connected through a flange interface.

It should be noted that the above two related technical features, the buffer pad and the camera bracket 241, can be set at the same time or alternatively, and the setting effect is better, which not only facilitates the installation of the camera, but also protects the camera.

In an embodiment of the present invention, a position sensor is provided on the mounting plate 11, and the traveling path of the vehicle can be adjusted and controlled according to the data detected by the position sensor.

Further, the lower end of the base 21 is provided with a positioning protrusion, the diameter of the positioning protrusion is gradually reduced along the top and bottom, and the side surface of the positioning protrusion is used to abut against the edge of the hole to be detected, so as to prevent the detection of the hole. The downward movement of the detection structure is limited. This arrangement further protects the detection structure and at the same time has the effect of positioning.

In order to achieve the movable effect of the mounting plate 11 , in this embodiment, the lower end surface of the mounting plate 11 is provided with a plurality of rollers 112 , and the plurality of rollers 112 are arranged at intervals along the circumferential direction of the mounting plate 11 . Low cost and easy to set up.

The plurality of processing holes include at least one hole to be detected and a plurality of positioning reference holes. In the present invention, please refer to FIG. 4 to FIG. 5 , the mobile deep hole detection device 100 further includes a stepping positioning device 3 , The step-by-step positioning device 3 includes a base 1, a moving assembly 31 and a positioning assembly 32. The base 1 includes a mounting plate 11 movably installed along a circular arc curve. The arc-shaped track adapted to the arc curve, the upper end surface of the mounting plate 11 is provided with a positioning hole 111, the positioning hole 111 is used to correspond to the hole to be detected; Two moving blocks of a shaped track, the two moving blocks are arranged at intervals along the length direction of the mounting plate 11; the positioning assembly 32 includes a first positioning cylinder 321 and two second positioning cylinders 322, the first positioning cylinder 321 The positioning cylinder 321 is movably mounted on the lower end surface of the mounting plate 11 in the up-down direction, and is spaced apart from the two moving blocks. The lower end of the first positioning cylinder 321 is used for extending into one of the positioning reference In the hole, the two second positioning cylinders 322 are arranged corresponding to the two moving blocks, and are movably installed on the lower end surfaces of the two moving blocks in the up-down direction. The lower ends of the two second positioning cylinders 322 Used to extend into two of the positioning reference holes; wherein, in the first positioning cylinder 321 and the two second positioning cylinders 322, at least two of them are used to extend into the corresponding positioning reference inside the hole.

In the technical solution of the present invention, the first positioning cylinder 321 and the two second positioning cylinders 322 both extend into the corresponding holes. At this time, the positioning holes 111 correspond to the holes to be detected or processed, and one of them The second positioning cylinder 322 is lifted up to separate from the hole, drives the corresponding moving block to move to the right, and drives the corresponding second positioning cylinder 322 to move to the right above the hole in the next position. The positioning cylinder 322 then extends downward into the corresponding hole, the first positioning cylinder 321 is lifted up to separate from the corresponding hole, and then drives the corresponding moving block to move to the left again. The blocks are relatively fixed with the corresponding holes, the mounting plate 11 moves to the right, so that the first positioning cylinder 321 corresponds to the hole in the next position, and the first positioning hole 111 extends downward into the corresponding hole Afterwards, the other second positioning cylinder 322 is lifted up to drive the corresponding moving block to move to the right, so as to realize the corresponding cooperation between the second positioning cylinder 322 and the hole at the next position. Step-by-step walking is performed according to the arc curves corresponding to multiple machining holes, and positioning is performed by positioning the reference holes, which is more accurate. Secondary processing equipment or detection equipment can be installed in the positioning hole 111 for replacement.

Not only that, the distances between different machining holes may be different. The structure of the step-by-step positioning device 3 can adapt to the movement of machining holes with different spacings, which can be achieved by adjusting the moving distance of the moving block. The point is that the extension direction of the arc track fits with the circular arc line imagined by the centers of the plurality of machining holes, and the centers of the formed circular arcs coincide with the centers of the plurality of machining holes, and the movement of the moving block is along the Follow this arc, thus realizing the step movement along the arc curve.

Further, the upper end surface of the mounting plate 11 is provided with two arc-shaped avoidance holes 113 spaced along the length direction of the mounting plate 11, and the two arc-shaped avoidance holes 113 are arranged corresponding to the two moving blocks, And the two arc-shaped avoidance holes 113 are located on the arc-shaped track; the upper ends of the two second positioning cylinders 322 are respectively fixed and installed on the corresponding moving blocks, and the two second positioning cylinders 322 are respectively pierced. The two arc-shaped avoidance holes 113 are used to extend into the corresponding positioning reference holes. Through the two arc-shaped avoidance holes 113 , during the movement of the moving block, the second positioning cylinder 322 and the mounting plate 11 do not interfere with each other, and the structure is compact.

Further, the two moving blocks are arranged in an arc shape. It is easy to guide the movement and ensure the movement track of the arc curve.

In order to achieve the guiding effect of the arc track, in an embodiment of the present invention, the moving assembly 31 further includes a plurality of first guide pulleys 313 and a plurality of second guide pulleys 314 disposed on the mounting plate 11 , the plurality of first guide pulleys 313 and the plurality of second guide pulleys 314 are arranged at intervals along the width direction of the mounting plate 11 to form the arc-shaped track together; the plurality of first guide pulleys 314 313 and the plurality of second guide pulleys 314 are arranged at intervals along the length direction of the mounting plate 11 . The moving plate moves, and the two moving blocks are located between the plurality of first guide pulleys 313 and the plurality of second guide pulleys 314, so that the moving blocks move along the The plurality of first guide pulleys 313 and the plurality of second guide pulleys 314 swing.

The present invention does not limit the driving manner of the moving block. In one embodiment, the moving assembly 31 further includes two first driving cylinders 312 , both of which are along the length direction of the mounting plate 11 . Extending, the cylinder barrels of the two first driving cylinders 312 are respectively movably installed on the two moving blocks along the up-down axis, and the cylinder rods of the two first driving cylinders 312 are movably installed on the installation along the up-down axis. the middle of the plate 11. Both ends of the two first driving cylinders 312 are in an active link state, so that the swinging arc of the moving block will not be affected during the expansion and contraction of the cylinders. In addition, the cylinder driving mode has a simple structure and is easy to implement.

In addition, the driving of the moving block can also be realized by means of belt transmission and screw transmission, which will not be described in detail here.

The present invention does not limit the driving manner of the first positioning cylinder 321 and the second driving cylinder. In an embodiment of the present invention, the positioning assembly 32 further includes a first telescopic cylinder 323 extending in the up-down direction and two A second telescopic cylinder 324, the cylinder barrel of the first telescopic cylinder 323 is fixedly installed on the mounting plate 11, the cylinder rod of the first telescopic cylinder 323 is fixedly installed on the first positioning cylinder 321, and the two The cylinder barrels of the second telescopic cylinders 324 are respectively fixedly installed on the two moving blocks, and the cylinder rods of the two second telescopic cylinders 324 are respectively fixedly installed on the two second positioning cylinders 322 . This arrangement has a stable structure and is easy to control.

In other embodiments of the present invention, up and down driving may also be performed by means of a scissor mechanism, which will not be described in detail here.

In the present invention, please refer to FIG. 5 , the lower ends of the first positioning cylinders 321 are arranged with a diameter gradually decreasing along the top and bottom; the lower ends of the two second positioning cylinders 322 are arranged with a diameter gradually decreasing along the top and bottom. . The first positioning cylinder 321 and the two second positioning cylinders 322 can be matched with the corresponding positioning reference holes more smoothly.

Specifically, in order to facilitate the installation of the detection device, a plurality of installation convex shafts 114 are provided in the middle of the installation plate 11 , and the plurality of the installation convex shafts 114 are arranged at intervals along the circumferential direction of the positioning hole 111 for use in For installation and fixation of external equipment. The detection device may be provided with corresponding matching holes to cooperate with the plurality of the installation convex shafts 114 to achieve stable installation and facilitate disassembly and replacement of other processing detection devices. Different functions can be exchanged by changing the external device for installing the protruding shaft 114 .

The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. A movable deep hole detection device is used for detecting a plurality of processing holes which are arranged along the circumferential direction and positioned on an arc curve, and at least one of the processing holes is a hole to be detected, and is characterized by comprising:

the device comprises a base and a detection device, wherein the base comprises an installation plate movably installed along an arc curve, and the upper end surface of the installation plate is provided with a positioning hole which is used for corresponding to a hole to be detected; and the number of the first and second groups,

the detection device comprises a base which is movably arranged in the positioning hole in a penetrating mode in the vertical direction and a detection structure which is rotatably arranged on the base along the vertical axis, wherein the detection structure is used for extending into the hole to be detected so as to detect the quality.

2. The mobile deep hole inspection apparatus of claim 1, wherein the inspection device further comprises a lift drive assembly, the lift drive assembly comprising:

the supporting seat is fixedly arranged on the base and is positioned above the positioning hole, and a through hole is formed in the supporting seat corresponding to the positioning hole;

a first driving motor including a first driving shaft extending in an up-down direction;

the upper end of a screw rod of the ball screw is fixedly arranged on the supporting seat; and the number of the first and second groups,

the gear set comprises a first gear and a second gear, the first gear is fixedly arranged at the lower end of the first driving shaft and rotates coaxially with the first driving shaft, and the second gear is fixedly arranged at the lower end of the screw rod of the ball screw and rotates coaxially with the screw rod of the ball screw;

the base is fixedly connected with a nut of the ball screw.

3. The mobile deep hole inspection apparatus of claim 1, wherein the inspection device further comprises a rotating assembly, the rotating assembly comprising:

the fixing seat is fixedly arranged on the lower end surface of the base; and the number of the first and second groups,

the second driving motor is arranged on the fixed seat and comprises a second driving shaft extending along the vertical direction, and the lower end of the second driving shaft is fixedly connected with the detection structure.

4. The mobile deep hole inspection apparatus of claim 3 wherein said inspection structure includes a camera removably mounted to a lower end of said second drive shaft.

5. The mobile deep hole inspection apparatus of claim 4, wherein the inspection structure further comprises a cushion covering the outer surface of the camera; and/or the presence of a gas in the gas,

the detection structure further comprises a camera support extending along the vertical direction, the upper end of the camera support is fixedly connected with the second driving shaft, and the lower end of the camera support is used for mounting the video camera.

6. The mobile deep hole inspection apparatus of claim 1 wherein a position sensor is provided on said mounting plate.

7. The mobile deep hole detection device according to claim 1, wherein a positioning protrusion is disposed at a lower end of the base, the positioning protrusion is disposed upward and downward, the diameter of the positioning protrusion is gradually reduced, and a side surface of the positioning protrusion is used for abutting against an edge of a hole to be detected so as to limit a downward movement stroke of the detection structure.

8. The mobile deep hole inspection device of claim 1, wherein the lower end surface of the mounting plate is provided with a plurality of rollers, and the plurality of rollers are arranged at intervals along the circumferential direction of the mounting plate.

9. The mobile deep hole inspection apparatus according to claim 1, further comprising a plurality of positioning reference holes among the plurality of machining holes, wherein an arc-shaped rail for fitting the arc-shaped curve is formed on an upper end surface of the mounting plate;

portable deep hole check out test set still includes marching type positioner, marching type positioner includes:

the moving assembly comprises two moving blocks movably mounted to the arc-shaped track, and the two moving blocks are arranged at intervals along the length direction of the mounting plate; and the number of the first and second groups,

the positioning assembly comprises a first positioning cylinder and two second positioning cylinders, the first positioning cylinder is movably mounted to the lower end face of the mounting plate in the vertical direction and is arranged at intervals with the two moving blocks, the lower end of the first positioning cylinder is used for extending into one of the positioning reference holes, the two second positioning cylinders are arranged corresponding to the two moving blocks and are movably mounted to the lower end faces of the two moving blocks in the vertical direction, and the lower ends of the two second positioning cylinders are used for extending into the two positioning reference holes;

at least two of the first positioning cylinder and the two second positioning cylinders are used for extending into the corresponding positioning reference holes.

10. The mobile deep hole detection device according to claim 9, wherein the moving assembly further comprises two first driving cylinders, the two first driving cylinders extend along the length direction of the mounting plate, the cylinder barrels of the two first driving cylinders are respectively rotatably mounted on the two moving blocks along the vertical axis, and the cylinder rods of the two first driving cylinders are movably mounted in the middle of the mounting plate along the vertical axis.

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