CN215985766U

CN215985766U - High-resolution acquisition instrument for core image

Info

Publication number: CN215985766U
Application number: CN202122006274.XU
Authority: CN
Inventors: 李建华; 沈疆海; 俞启鑫
Original assignee: Jingzhou Huafu Information Technology Co ltd
Current assignee: Jingzhou Huafu Information Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a high-resolution acquisition instrument for a core image, which comprises a lifting adjusting support, a sample rotating platform, a clamping assembly and an image acquisition assembly, wherein a spherical cavity and a first through hole communicated with the spherical cavity are formed at one end of the lifting adjusting support; the sample rotating platform is connected to the other end of the lifting adjusting bracket; the clamping assembly comprises a ball body, a clamping arm, a clamping table and at least two elastic pieces, the ball body can rotate and is arranged in the spherical cavity in a matching mode, one end of the clamping arm movably penetrates through the first through hole and is connected with the ball body, the other end of the clamping arm is connected with the clamping table, and each elastic piece is connected with the lifting adjusting support and the clamping arm; the image acquisition assembly is detachably connected to the clamping table. According to the core image high-resolution acquisition instrument provided by the utility model, when the image acquisition assembly shakes, the clamping arm is driven to rotate around the lifting adjusting bracket, the clamping arm stretches or compresses the elastic piece, and the shaking of the image acquisition assembly is restrained by the deformation energy absorption of the elastic piece.

Description

High-resolution acquisition instrument for core image

Technical Field

The utility model relates to the technical field of geological exploration rock core spectrogram image acquisition instruments, in particular to a rock core image high-resolution acquisition instrument.

Background

The core image high-resolution acquisition instrument adopts a special camera of an integrated LED lamp, has high resolution, does not need to adjust the angle and the direction of a light source when the core is subjected to horizontal scanning and rolling scanning switching, can directly measure and process images, and becomes a good helper of geologists nowadays.

The utility model discloses an improved generation rock core image high resolution gathers appearance is disclosed in patent document CN205246555U, realizes the rotation of core box mesa through roller rotary mechanism, mesa rotary mechanism, can directly switch and diversified scanning to rock core and core box, does benefit to that irregular rock core is all-round, each angle scanning reserves image information, is applicable to the rock core scanning including any occasion of open-air adverse circumstances, and convenient operation has improved geological researcher's work efficiency greatly. The problem of prior art fixed rock core place the mesa unable rotation, easily cause the scanning to omit is solved.

In the scheme, the core image acquisition assembly is connected with the leather roller rotating mechanism and the table top rotating mechanism through the vertical lifting mechanism and the stand column, when the leather roller rotating mechanism, the table top rotating mechanism and the vertical lifting mechanism work, a camera of the core image acquisition assembly is easy to shake, the core image acquisition work is generally carried out in the field and is influenced by weather such as strong wind, the image acquisition assembly is easy to shake, and the core image acquisition precision is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, a need exists for a core image high resolution acquisition instrument, which is used to solve the problems in the prior art that a core image acquisition assembly is prone to jitter and affects the core image acquisition accuracy.

The utility model provides a high-resolution acquisition instrument for a core image, which comprises a lifting adjusting support, a sample rotating platform, a clamping assembly and an image acquisition assembly, wherein a spherical cavity and a first through hole communicated with the spherical cavity are formed at one end of the lifting adjusting support; the sample rotating platform is connected to the other end of the lifting adjusting bracket; the clamping assembly comprises a ball body, a clamping arm, a clamping table and at least two elastic pieces, the ball body can rotate and is arranged in the spherical cavity in a matched mode, one end of the clamping arm movably penetrates through the first through hole and is connected with the ball body, the other end of the clamping arm is connected with the clamping table, and each elastic piece is connected with the lifting adjusting support and the clamping arm; the image acquisition assembly is detachably connected to the clamping table and used for acquiring the core image information on the sample rotating table.

Further, the centre gripping platform includes first grip block, second grip block, threaded rod and nut, first grip block and second grip block symmetrical arrangement in the both sides of centre gripping arm, first grip block fixed connection in the centre gripping arm, a mounting hole has been seted up on the second grip block, threaded rod one end activity is worn to establish mounting hole and fixed connection in the centre gripping arm, nut threaded connection in threaded rod and butt in the second grip block is kept away from one side of centre gripping arm.

Furthermore, the clamping table further comprises a positioning rod, and one end of the positioning rod movably penetrates through the second clamping block and is fixedly connected to the clamping arm.

Furthermore, one side of the first clamping block opposite to one side of the second clamping block is provided with a limiting boss which is vertically distributed with the clamping surface.

Further, the number of the elastic members is two.

Furthermore, the centre gripping arm has first lateral wall and second lateral wall, first lateral wall with the second lateral wall is mutually perpendicular, two elastic component one end all connect in lift adjustment support, the other end connect respectively in first lateral wall with the second lateral wall.

Further, the first lateral wall with the second through-hole has all been seted up on the second lateral wall, the elastic component includes fixed block, threaded connection pole, adjusting nut and spring, the one end of fixed block connect in the lift adjustment support, the activity of threaded connection pole is worn to locate the fixed block with the second through-hole, adjusting nut threaded connection in threaded connection pole and butt in the centre gripping arm is kept away from one side of fixed block, the spring housing is located threaded connection pole and its both ends respectively the butt in the fixed block with the centre gripping arm.

Further, the diameter of the second through hole is larger than that of the threaded connecting rod.

Furthermore, one end of the threaded connecting rod, which is located at the fixing block, is provided with a positioning block, and the positioning block is abutted to one side, which is far away from the clamping arm, of the fixing block.

Furthermore, the adjustable support further comprises a fixing screw, one end of the adjusting support is provided with a threaded hole communicated with the spherical cavity, and the threaded end of the fixing screw is in threaded connection with the threaded hole.

Compared with the prior art, the core image high-resolution acquisition instrument has the advantages that the image acquisition assembly is fixed by the clamping assembly, so that the shaking of the image acquisition assembly can be inhibited, when the image acquisition assembly shakes, the clamping arm can be driven to rotate around the lifting adjusting bracket, the clamping arm stretches or compresses one or more elastic pieces, and energy is absorbed through the deformation of the elastic pieces, so that the shaking of the image acquisition assembly can be inhibited.

The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a high resolution core image acquisition instrument according to the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic structural diagram of a clamping table according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a clamp arm according to an embodiment of the present invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.

As shown in fig. 1 to 5, the high-resolution core image acquiring instrument provided by the embodiment of the utility model comprises a lifting adjusting bracket 1, a sample rotating platform 2, a clamping assembly 3 and an image acquiring assembly (not shown in the figures), wherein a spherical cavity and a first through hole communicated with the spherical cavity are formed at one end of the lifting adjusting bracket 1; the sample rotating platform 2 is connected to the other end of the lifting adjusting piece 1; the clamping assembly 3 comprises a ball 31, a clamping arm 32, a clamping table 33 and at least two elastic pieces 34, the ball 31 is rotatable and is arranged in the spherical cavity in a matching way, one end of the clamping arm 32 movably penetrates through the first through hole and is connected with the ball 31, the other end of the clamping arm is connected with the clamping table 33, and each elastic piece 34 is connected with the lifting adjusting bracket 1 and the clamping arm 32; the image acquisition assembly is detachably connected to the clamping table 33 and used for acquiring the core image information on the sample rotating table 2.

It should be noted that, the image capturing assembly is fixed by the clamping table 33, so that the shaking of the image capturing assembly 4 can be suppressed, when the shaking amplitude of the image capturing assembly is large, the clamping arm 32 is driven to rotate around the lifting adjusting bracket 1, the clamping arm 32 stretches or compresses one or more elastic members 34, and energy is absorbed through the deformation of the elastic members 34, so that the shaking of the image capturing assembly can be suppressed.

It should be noted that the lifting adjusting bracket 1 comprises a horizontal moving mechanism, a vertical lifting mechanism and an upright post which are common in acquisition instruments, wherein the sample rotating platform 2 is connected to the lower end of the upright post, and the clamping component 3 is connected to the upper end of the vertical lifting mechanism through a connecting post; specifically, spherical chamber and first through-hole all set up on the spliced pole.

It should be noted that the sample rotating table 2 is used for placing a core sample whose information needs to be collected, and the placing table thereof can rotate relative to the base, so as to ensure that the image collecting assembly can collect image information of the core at each angle; the image capturing assembly includes a mounting frame and a camera, and in this embodiment, the image capturing assembly is a camera.

It should be noted that the clamping arm 32 is connected with the spherical cavity on the connecting column through the sphere 31, and can rotate around the connecting column along multiple degrees of freedom, and by providing the elastic member 34 connected with the connecting column and the clamping arm 32, when the clamping arm 32 rotates around the connecting column, one or more elastic members 34 can be compressed or stretched, and the elastic force of the elastic member 34 is used for absorbing energy, so as to eliminate the shaking of the camera.

It will be appreciated that the number of the elastic members 34 may be two, three or more, and that several elastic members 34 cooperate to restrict the rotation of the holding arm 32 in different directions; in this embodiment, the number of the elastic members 34 is 2, and the two elastic members 34 are respectively distributed in the horizontal direction and the vertical direction, so as to limit the degree of freedom of the holding arm 32 in the horizontal direction and the vertical direction, and avoid the shaking of the camera in the horizontal direction and the vertical direction, thereby improving the accuracy of core acquisition.

As a preferred embodiment, the clamping table 33 includes a first clamping block 331, a second clamping block 332, a threaded rod 333 and a nut 334, the first clamping block 331 and the second clamping block 332 are symmetrically disposed on two sides of the clamping arm 32, the first clamping block 331 is fixedly connected to the clamping arm 32, the second clamping block 332 is provided with an installation hole, one end of the threaded rod 333 movably penetrates through the installation hole and is fixedly connected to the clamping arm 32, and the nut 334 is in threaded connection with the threaded rod 333 and abuts against one side of the second clamping block 332 away from the clamping arm 32.

It should be noted that the clamping table 33 is used for fixing the image capturing assembly 4, and the distance between the first clamping block 331 and the second clamping block 332 is adjustable, so as to adapt to cameras with different sizes; specifically, the camera is positioned in a space between the first clamping block 331 and the second clamping block 332 and the size of the clamping space is adjusted by the threaded rod 333 and the nut 334, thereby clamping the camera.

In a preferred embodiment, the clamping table 33 further includes a positioning rod 335, and one end of the positioning rod 335 is movably inserted into the second clamping block 332 and is fixedly connected to the clamping arm 32.

It should be noted that the positioning rod 335 and the threaded rod 333 are distributed at an interval, and the second clamping block 332 is movably connected with the clamping arm 32 through the positioning rod 335 and the threaded rod 333, so that inconvenience in operation when the camera is clamped and fixed due to the fact that the second clamping block 332 rotates around the threaded rod 333 is avoided.

In a preferred embodiment, the first clamping block 331 and the second clamping block 332 each have a limiting boss on the opposite side to the clamping surface.

It should be noted that the side view of the limiting boss and the first clamping block 331 is "L" shaped, the first clamping block 331, the second clamping block 332 and the two limiting bosses are matched, and the camera can be placed on the limiting boss after being clamped, so that the situation that the camera falls off due to too large fluctuation or slipping of the clamping surface can be avoided; in this embodiment, elastic anti-slip pads are laid on two opposite sides of the first clamping block 331 and the second clamping block 332.

In a preferred embodiment, the clamping arm 32 has a first side wall 321 and a second side wall 322, the first side wall 321 and the second side wall 322 are perpendicular to each other, one end of each of the two elastic members 34 is connected to the lifting adjusting bracket 1, and the other end is connected to the first side wall 321 and the second side wall 322 respectively.

It should be noted that, the two elastic members 34 are respectively connected to two mutually perpendicular side walls of the holding arm 32, so as to control the moving range of the holding arm 32 in the horizontal direction and the vertical direction; it is understood that the elastic member 34 may be a rod or a spring having elasticity.

As a preferred embodiment, the first sidewall 321 and the second sidewall 322 are both provided with a second through hole, the elastic element 34 includes a fixed block 341, a threaded connection rod 342, an adjusting nut 343, and a spring 344, one end of the fixed block 341 is connected to the lifting adjusting bracket 1, the threaded connection rod 342 is movably inserted through the fixed block 341 and the second through hole, the adjusting nut 343 is threadedly connected to the threaded connection rod 342 and abuts against one side of the clamping arm 32 away from the fixed block 341, and the spring 344 is sleeved on the threaded connection rod 342 and both ends of the spring are respectively abutted against the fixed block 341 and the clamping arm 32.

It should be noted that the elastic connection between the lifting adjusting bracket 1 and the clamping arm 32 is realized by arranging the fixing block 341, the threaded connecting rod 342, the adjusting nut 343 and the spring 344, and the elastic connection plays a role in preventing shaking.

It should be noted that, by appropriately tightening the adjusting nut 343, the spring 344 can be compressed, so that both ends thereof can be tightly attached to the fixed block 341 and the holding arm 32.

In a preferred embodiment, the diameter of the second through hole is larger than the diameter of the threaded connecting rod 342.

It should be noted that the diameter of the second through hole is larger than the diameter of the threaded connection rod 342, and the threaded connection rod 342 can move in the second through hole, so as to ensure that the clamping arm 32 can generate displacement in the horizontal and vertical directions under the limit of the two elastic members 34.

In a preferred embodiment, the threaded connection rod 342 has a positioning block at one end of the fixing block 341, and the positioning block abuts against a side of the fixing block 341 away from the clamping arm 32.

It should be noted that, by providing the positioning block, the threaded connection rod 342 can be prevented from falling off.

In a preferred embodiment, the lifting adjusting bracket 1 further includes a fixing screw (not shown in the drawings), one end of the lifting adjusting bracket 1 is opened with a threaded hole communicated with the spherical cavity, and a threaded end of the fixing screw is in threaded connection with the threaded hole.

It should be noted that, by providing the fixing screw, the rotation of the holding arm 32 with respect to the spherical cavity can be limited, and specifically, when transportation is required, the fixing screw can be tightened to fix the holding arm 32.

Compared with the prior art, the embodiment of the utility model utilizes the clamping table to fix the camera, when the camera shakes, the clamping arm stretches or compresses the spring, and energy is absorbed through the deformation of the spring, so that the effect of preventing the shaking of the clamping arm and the camera is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A core image high resolution harvester, comprising:

the lifting adjusting bracket is provided with a spherical cavity and a first through hole communicated with the spherical cavity at one end;

the sample rotating platform is connected to the other end of the lifting adjusting bracket;

the clamping assembly comprises a ball body, a clamping arm, a clamping table and at least two elastic pieces, the ball body can rotate and is arranged in the spherical cavity in a matched mode, one end of the clamping arm movably penetrates through the first through hole and is connected with the ball body, the other end of the clamping arm is connected with the clamping table, and each elastic piece is connected with the lifting adjusting support and the clamping arm; and

the image acquisition assembly is detachably connected to the clamping table and used for acquiring the core image information on the sample rotating table.

2. The core image high-resolution acquisition instrument according to claim 1, wherein the clamping table comprises a first clamping block, a second clamping block, a threaded rod and a nut, the first clamping block and the second clamping block are symmetrically arranged on two sides of the clamping arm, the first clamping block is fixedly connected to the clamping arm, a mounting hole is formed in the second clamping block, one end of the threaded rod movably penetrates through the mounting hole and is fixedly connected to the clamping arm, and the nut is in threaded connection with the threaded rod and abuts against one side of the second clamping block, which is far away from the clamping arm.

3. The core image high resolution collector of claim 2, wherein the holding table further comprises a positioning rod, one end of the positioning rod movably penetrates through the second holding block and is fixedly connected to the holding arm.

4. The core image high resolution collector of claim 2, wherein the first clamping block and the second clamping block are provided with limiting bosses which are vertically distributed with the clamping surface on the opposite sides.

5. The core image high resolution harvester of claim 1, wherein the number of said elastic members is two.

6. The core image high resolution harvester of claim 5, wherein the clamping arm has a first sidewall and a second sidewall, the first sidewall and the second sidewall are perpendicular to each other, and both of the elastic members have one end connected to the lifting adjusting bracket and the other end connected to the first sidewall and the second sidewall, respectively.

7. The core image high-resolution acquisition instrument according to claim 6, wherein the first sidewall and the second sidewall are both provided with second through holes, the elastic member comprises a fixed block, a threaded connection rod, an adjusting nut and a spring, one end of the fixed block is connected to the lifting adjusting support, the threaded connection rod is movably arranged in the fixed block and the second through holes in a penetrating manner, the adjusting nut is in threaded connection with the threaded connection rod and abuts against one side of the clamping arm far away from the fixed block, and the spring sleeve is arranged on the threaded connection rod and two ends of the spring sleeve are respectively abutted against the fixed block and the clamping arm.

8. The core image high resolution harvester of claim 7, wherein the diameter of the second through hole is larger than the diameter of the threaded connection rod.

9. The core image high resolution collector according to claim 7, wherein the threaded connection rod has a positioning block at one end of the fixing block, and the positioning block abuts against a side of the fixing block away from the clamping arm.

10. The core image high resolution collector of claim 1, wherein the lifting adjustment bracket further comprises a fixing screw, one end of the lifting adjustment bracket is provided with a threaded hole communicated with the spherical cavity, and a threaded end of the fixing screw is in threaded connection with the threaded hole.