CN216866671U

CN216866671U - Hole diameter measuring device for coal field well logging

Info

Publication number: CN216866671U
Application number: CN202220460531.9U
Authority: CN
Inventors: 杨稼林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-01
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a well diameter measuring device for coal field well logging, which relates to the technical field of well diameter measurement of coal field wells and comprises two horizontally symmetrical main scales, wherein scale marks are arranged on the front sides of the main scales, one side of one main scale is fixedly connected with a first U-shaped part, one side of the other main scale is fixedly connected with a connecting piece, a first rotating shaft penetrates through the connecting piece, and limiting parts are symmetrically and fixedly connected to the lower parts of the adjacent sides of the two main scales. According to the utility model, the second transverse groove, the moving block, the fixed rod, the fixing piece and the fixing bolt are matched for use, so that the measuring device is conveniently fixed above the coal field well, the hand holding is not required, the convenience of well diameter measurement is increased, and the first U-shaped piece, the connecting piece, the first rotating shaft, the connecting piece, the positioning bolt and the threaded hole are matched for use, so that the measuring device has a rotary folding function, the size is reduced, and the convenience in the carrying process is increased.

Description

Hole diameter measuring device for coal field well logging

Technical Field

The utility model relates to the technical field of coal field well diameter measurement, in particular to a well diameter measuring device for coal field well logging.

Background

In the geological historical development process, a coal-containing rock system distribution area formed in the same geological period and approximately continuously developed is called a coal field, most of the coal field is in a basin shape, so the coal field is also called a coal basin, the coal system in the same coal field can be continuous or discontinuous, and the discontinuous distribution is a result of long-term degradation after the coal system is deformed; generally, during the use of the coal field well, a well diameter measuring device is used for measuring the well diameter of the coal field well.

However, in the prior art, most coal field hole diameter measuring devices do not have a folding function, so that the size is large in the carrying process, and the carrying is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a hole diameter measuring device for coal field logging, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a hole diameter measuring device for coal field well logging comprises two horizontally symmetrical main rulers, wherein the front sides of the main rulers are provided with scale marks, one side of one main ruler is fixedly connected with a first U-shaped part, one side of the other main ruler is fixedly connected with a connecting part, a first rotating shaft penetrates through the connecting part, the lower parts of the adjacent sides of the two main rulers are symmetrically and fixedly connected with limiting parts, the bottom of the main ruler is provided with a first transverse groove, a second U-shaped part is arranged inside the first transverse groove, the lower side of the second U-shaped part is provided with a marking rod, the upper part of the marking rod penetrates through a second rotating shaft, the rear side of the main ruler is provided with a second transverse groove, a moving block is arranged inside the second transverse groove, the rear side of the moving block is fixedly connected with a fixed rod, the bottom of the fixed rod is fixedly connected with a fixed part, and one side of the fixed part penetrates through a fixed bolt, the front side of one main scale is fixedly connected with a connecting piece, the front side of the other main scale is provided with a threaded hole, and a positioning bolt penetrates through the connecting piece.

As a further scheme of the utility model: one side that the connecting piece closes on first pivot is in the inside of first U type spare, and connecting piece and first U type spare looks adaptation, the front and back end of first pivot runs through respectively in the front and back side of first U type spare, first pivot passes through the bearing with first U type spare and is connected, and first pivot is connected with connecting piece interference fit.

As a still further scheme of the utility model: the vertical section of the main view of the limiting part is in a quarter circular arc shape.

As a still further scheme of the utility model: the utility model discloses a marker post, including first U type spare, first cross slot, second U type spare, first cross slot looks adaptation, the top of sighting rod is in the inside of second U type spare, and sighting rod and second U type spare looks adaptation, the front and back end of second pivot is connected with the front and back side inner wall rotation of second U type spare respectively, and the second pivot is connected with sighting rod interference fit.

As a still further scheme of the utility model: the moving block is connected with the second transverse groove through damping and matched with the second transverse groove, the rear side of the moving block is located outside the second transverse groove, the fixing bolt is connected with the fixing piece through threads, and one end of the fixing bolt is located inside the fixing piece.

As a still further scheme of the utility model: the positioning bolt is connected with the connecting piece through threads, and the positioning bolt is matched with the threaded hole.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation use between second transverse groove, movable block, dead lever, mounting and the fixing bolt, the convenience is fixed this measuring device in the top of coal field well, need not to hand, has increased the convenience of well diameter measurement, and uses through the cooperation between first U type spare, connecting piece, first pivot, connection piece, positioning bolt and the screw hole, makes this measuring device have rotatory folding function, reduces the volume, has increased the convenience of carrying the in-process.

Drawings

Fig. 1 is a schematic structural diagram of a hole diameter measuring device for coal field logging.

FIG. 2 is a cross-sectional view of a front view of a caliper for logging a coal field.

FIG. 3 is a cross-sectional view of a top view of a caliper measurement device for logging a coal field.

The mark in the figure is: 1. a main scale; 2. scale marking; 3. a marker post; 4. a first U-shaped member; 5. a connecting member; 6. a first rotating shaft; 7. a limiting member; 8. connecting sheets; 9. a threaded hole; 10. positioning the bolt; 11. a fixing member; 12. fixing the rod; 13. fixing the bolt; 14. a first transverse slot; 15. a second U-shaped member; 16. a second rotating shaft; 17. a second transverse groove; 18. moving the mass.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a hole diameter measuring apparatus for coal field well logging includes two horizontally symmetrical main scales 1, a scale 2 is disposed on a front side of each main scale 1, a first U-shaped member 4 is fixedly connected to one side of one main scale 1, a connecting member 5 is fixedly connected to one side of the other main scale 1, a first rotating shaft 6 penetrates through the connecting member 5, limit members 7 are symmetrically and fixedly connected to lower portions of adjacent sides of the two main scales 1, a first transverse groove 14 is disposed at a bottom of the main scale 1, a second U-shaped member 15 is disposed inside the first transverse groove 14, a marker post 3 is disposed on a lower side of the second U-shaped member 15, a second rotating shaft 16 penetrates through an upper portion of the marker post 3, a second transverse groove 17 is disposed on a rear side of the main scale 1, a moving block 18 is disposed inside the second transverse groove 17, a fixed rod 12 is fixedly connected to a rear side of the moving block 18, a fixed member 11 is fixedly connected to a bottom of the fixed rod 12, a fixing bolt 13 penetrates through one side of the fixing piece 11, a connecting piece 8 is fixedly connected to the front side of one main scale 1, a threaded hole 9 is formed in the front side of the other main scale 1, and a positioning bolt 10 penetrates through the connecting piece 8.

Referring to fig. 1 and 2, one side of the connecting piece 5, which is close to the first rotating shaft 6, is located inside the first U-shaped piece 4, the connecting piece 5 is adapted to the first U-shaped piece 4, the front end and the rear end of the first rotating shaft 6 respectively penetrate through the front side and the rear side of the first U-shaped piece 4, the first rotating shaft 6 is connected to the first U-shaped piece 4 through a bearing, the first rotating shaft 6 is connected to the connecting piece 5 in an interference fit manner, the positioning bolt 10 is in threaded connection with the connecting piece 8, and the positioning bolt 10 is adapted to the threaded hole 9, so that the two main rulers 1 can be conveniently folded in a rotating manner by using the first rotating shaft 6 as a circle center, and the two folded main rulers 1 can be fixed through the connecting piece 8, the threaded hole 9 and the positioning bolt 10, and convenience in a carrying process is improved.

Referring to fig. 1 and 2, the vertical section of the limiting member 7 in the front view is a quarter arc, which plays a role of limiting, so that the two unfolded main scales 1 are flush.

Referring to fig. 2, the second U-shaped member 15 is connected to the first transverse groove 14 through damping, the second U-shaped member 15 is adapted to the first transverse groove 14, the top of the marker post 3 is located inside the second U-shaped member 15, the marker post 3 is adapted to the second U-shaped member 15, the front end and the rear end of the second rotating shaft 16 are rotatably connected to the inner walls of the front side and the rear side of the second U-shaped member 15, and the second rotating shaft 16 is connected to the marker post 3 in an interference fit manner, so that the second U-shaped member 15 can be moved conveniently, and the movement of the marker post 3 can be controlled conveniently, so that the aperture of the coal field well can be measured according to scale marks, and the marker post 3 can be conveniently retracted by using the second rotating shaft 16 as a center of a circle, so that the space occupied by folding the two main scales 1 can be reduced.

Referring to fig. 1 and 3, the moving block 18 is connected with the second transverse groove 17 through damping, the moving block 18 is matched with the second transverse groove 17, the rear side of the moving block 18 is located outside the second transverse groove 17, the fixing bolt 13 is connected with the fixing member 11 through threads, and one end of the fixing bolt 13 is located inside the fixing member 11, so that the distance between the two fixing members 11 can be conveniently adjusted, the measuring device can be conveniently fixed on a coal field well, and convenience in the detection process is improved.

The working principle of the utility model is as follows: in the using process, firstly, the device is placed above a coal field well, then a moving block 18 is moved in the second transverse groove 17 to enable two fixing pieces 11 to be located on two sides of the coal field well respectively, then a fixing bolt 13 is rotated to fix the fixing pieces 11 and the wall of the coal field well, then the position of a second U-shaped piece 15 in a first transverse groove 14 is moved through a marking rod 3 until the two marking rods 3 are in contact with the inner walls of the two sides of the coal field well, and at the moment, the well diameter of the coal field well can be measured through the reading difference of a scale 2; when this measuring device was idle, used first pivot 6 to rotate two main scales 1 as the centre of a circle, with two main scales 1 rotation folding, then used second pivot 16 as the rotatory sighting rod 3 of centre of a circle, packed up sighting rod 3, positioning bolt 10 was in the front side of screw hole 9 this moment, then with the inside of positioning bolt 10's rear end screw in screw hole 9, can fix two folding main scales 1, increased the convenience of carrying the in-process.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A hole diameter measuring device for coal field well logging comprises two horizontally symmetrical main scales (1), and is characterized in that: the scale marks (2) are arranged on the front side of each main ruler (1), a first U-shaped part (4) is fixedly connected to one side of one main ruler (1), a connecting part (5) is fixedly connected to one side of the other main ruler (1), a first rotating shaft (6) penetrates through the connecting part (5), limiting parts (7) are symmetrically and fixedly connected to the lower parts of the adjacent sides of the two main rulers (1), a first transverse groove (14) is formed in the bottom of each main ruler (1), a second U-shaped part (15) is arranged inside the first transverse groove (14), a marking rod (3) is arranged on the lower side of the second U-shaped part (15), a second rotating shaft (16) penetrates through the upper part of the marking rod (3), a second transverse groove (17) is formed in the rear side of the main ruler (1), a moving block (18) is arranged inside the second transverse groove (17), and a fixing rod (12) is fixedly connected to the rear side of the moving block (18), the bottom fixedly connected with mounting (11) of dead lever (12), fixing bolt (13) has been run through to one side of mounting (11), one the front side fixedly connected with connection piece (8) of main scale (1), another the front side of main scale (1) is provided with screw hole (9), it has positioning bolt (10) to run through on connection piece (8).

2. A caliper measurement device for coal field logging according to claim 1, wherein: one side that connecting piece (5) are close to first pivot (6) is in the inside of first U type spare (4), and connecting piece (5) and first U type spare (4) looks adaptation, the front and back end of first pivot (6) runs through the front and back side in first U type spare (4) respectively, first pivot (6) are connected through the bearing with first U type spare (4), and first pivot (6) are connected with connecting piece (5) interference fit.

3. A caliper measurement device for coal field logging according to claim 1, wherein: the vertical section of the main view of the limiting piece (7) is in a quarter circular arc shape.

4. A caliper measurement device for coal field logging according to claim 1, wherein: second U type spare (15) are connected through the damping with first horizontal groove (14), and second U type spare (15) and first horizontal groove (14) looks adaptation, the top of sighting rod (3) is in the inside of second U type spare (15), and sighting rod (3) and second U type spare (15) looks adaptation, the front and back end of second pivot (16) rotates with the front and back side inner wall of second U type spare (15) respectively and is connected, and second pivot (16) are connected with sighting rod (3) interference fit.

5. A hole diameter measuring device for coal field logging according to claim 1, wherein: the moving block (18) is connected with the second transverse groove (17) through damping, the moving block (18) is matched with the second transverse groove (17), the rear side of the moving block (18) is located outside the second transverse groove (17), the fixing bolt (13) is connected with the fixing piece (11) through threads, and one end of the fixing bolt (13) is located inside the fixing piece (11).

6. A caliper measurement device for coal field logging according to claim 1, wherein: the positioning bolt (10) is connected with the connecting piece (8) through threads, and the positioning bolt (10) is matched with the threaded hole (9).