CN213041157U

CN213041157U - Mine inclined hole measuring device

Info

Publication number: CN213041157U
Application number: CN202022034247.9U
Authority: CN
Inventors: 华铖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-23
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to the technical field of mining, in particular to a mine inclined hole measuring device which can more accurately and conveniently measure the angle of an inclined hole and comprises a measuring rod, wherein the top of the measuring rod is provided with a protractor, the front end of the protractor is provided with a pointer and is connected with the measuring rod through a fixed column, the inside of the measuring rod is provided with a rotary rod, the top end of the rotary rod is provided with a rotary block, the middle part and the bottom of the rotary rod are both provided with rotary columns, a through groove is arranged between the left end and the right end of the measuring rod, the left part of the through groove is provided with a first bevel gear, the rotary rod at the bottom is provided with a second bevel gear which is meshed with the first bevel gear, the rotary column is arranged at the left end of the first bevel gear and is provided with a bearing, the left part and the middle part of the rotary column are provided with threads, a screwed, the right part structure and the left part structure of the measuring rod are symmetrically arranged.

Description

Mine inclined hole measuring device

Technical Field

The utility model relates to a mining technical field specifically is a mine inclined hole measuring device.

Background

It is well known that in mines employing medium-length hole mining, the measurement of the inclination of the blast hole is a necessary and burdensome task. People gradually invent various electronic blast hole goniometers, but the electronic measuring instruments are complex in structure and easy to damage, and cause great errors on measuring results as long as slight abrasion occurs, so that the electronic blast hole goniometers are greatly limited in practical engineering use.

Therefore, people mostly use the mine inclined hole measuring device, but the mine inclined hole measuring device found in use today, when measuring the angle, because the aperture of inclined hole has big or small, when the aperture is great, there is rocking between inclined hole measuring device and the inclined hole, the angle that makes the measurement obtain has great error, when the aperture is less, then inclined hole measuring device is difficult to stretch into in the inclined hole, and can't measure its inclined hole, make inclined hole measuring device's practicality greatly reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a can be more accurate and more convenient measure mine inclined hole measuring device of inclined hole angle.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a mine inclined hole measuring device comprises a measuring rod, wherein a protractor is arranged at the top of the measuring rod, a through hole is formed in the middle of the bottom of the protractor, the through hole penetrates through the front end of the protractor to the rear end of the protractor, a fixed column is arranged at the front end of the top of the measuring rod, the front end of the fixed column penetrates through the through hole and is provided with a clamping block, a pointer is arranged at the left end of the clamping block, scales are arranged at the front end of the protractor, a measuring hole is formed in the measuring rod and penetrates through the top end of the measuring rod to the bottom end of the measuring rod, a rotating rod is arranged in the measuring hole, a first bearing is arranged at the top end of the measuring hole, an outer ring of the first bearing is connected with the inner wall of the measuring rod, the inner wall of the first bearing is connected with the top of;

the middle part and the bottom of the rotating rod are provided with measuring devices, each measuring device comprises a rotating column and a spring piece, a through groove is arranged inside the measuring rod, the through groove penetrates through the left end of the measuring rod to the right end of the measuring rod, the left part of the through groove is provided with a first bevel gear, the bottom of the first bevel gear is provided with a second bevel gear, the second bevel gear is arranged on the outer wall of the circumference of the rotating rod, the first bevel gear and the second bevel gear are in vertical axial direction and are meshed with each other, the rotating column is arranged at the left end of the first bevel gear, threads are arranged at the left part and the middle part of the rotating column, a screwed pipe is sleeved around the left part of the rotating column, the threads inside the screwed pipe are matched with the threads at the left part and the middle part of the rotating column, a plurality of sliding grooves are arranged on the circumference of the screwed pipe and are arranged at the front end, the, the inside top of fixed pipe is provided with the fixed block, the bottom of fixed block is provided with the slider, fixed block and slider are four, and evenly distributed is in the inside front end of fixed pipe, the rear end, top and bottom, the slider sets up inside the spout, and can slide in the inside horizontal slip of spout, the spring leaf sets up in the left end of screwed pipe, the inside of measuring orifice is provided with the second bearing, the outer loop and the measuring orifice of second bearing are connected, the inner ring and the right part of column spinner of second bearing are connected, measuring device's right part structure and measuring device's left part structure set up for the symmetry.

Furthermore, the spring piece is in a circular arc shape.

Furthermore, the side of the rotating block is provided with a plurality of vertical anti-slip lines.

Further, the top end of each measuring device is provided with a first bearing.

Furthermore, the measuring rod is made of hard plastics.

(III) advantageous effects

Compared with the prior art, the utility model provides a mine inclined hole measuring device possesses following beneficial effect:

this mine inclined hole measuring device, structure through measuring device's left part and have a portion sets up for the symmetry, make two spring leafs be synchronous motion when opening, thereby when having guaranteed that two spring leafs prop the pore wall of inclined hole respectively, its measuring stick keeps the parallel with the inclined hole, and greatly increased this inclined hole measuring device's measurement accuracy, it is rotatory through the pairing rotation piece, drive the rotary rod and drive the measuring device motion, and open the spring leaf, and prop the measuring hole, make this inclined hole measuring device when measuring, the measuring stick can not take place to rock, and then the angle of measuring different apertures of can be more accurate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the present invention at a part enlarged in fig. 1.

In the figure: 1. a measuring rod; 2. a protractor; 3. fixing a column; 4. a clamping block; 5. a pointer; 6. calibration; 7. measuring a hole; 8. rotating the rod; 9. a first bearing; 10. rotating the block; 11. a spin column; 12. a spring plate; 13. a first bevel gear; 14. a second bevel gear; 15. a threaded pipe; 16. a chute; 17. a fixed tube; 18. a fixed block; 19. a slider; 20. a second bearing; 21. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a mine inclined hole measuring device, which comprises a measuring rod 1, a protractor 2 is arranged on the top of the measuring rod 1, a through hole is arranged in the middle of the bottom of the protractor 2, the through hole runs through the front end of the protractor 2 to the rear end of the protractor 2, a fixed column 3 is arranged on the front end of the top of the measuring rod 1, the front end of the fixed column 3 passes through the through hole and is provided with a clamping block 4, the left end of the clamping block 4 is provided with a pointer 5, the front end of the protractor 2 is provided with a scale 6, a measuring hole 7 is arranged inside the measuring rod 1, the measuring hole 7 runs through the bottom end of the measuring rod 1 from the top end of the measuring rod 1, a rotary rod 8 is arranged inside the measuring hole 7, a first bearing 9 is arranged on the top end of the measuring hole 7, the outer ring of the first bearing 9 is connected with the, the top end of the measuring rod 1 is provided with a rotating block 10, and the bottom end of the rotating block 10 is connected with a rotating rod 8;

the middle part and the bottom of the rotating rod 8 are provided with measuring devices, each measuring device comprises a rotating column 11 and a spring leaf 12, a through groove is arranged inside the measuring rod 1, the through groove penetrates through the left end of the measuring rod 1 to the right end of the measuring rod 1, a first bevel gear 13 is arranged at the left part of the through groove, a second bevel gear 14 is arranged at the bottom of the first bevel gear 13, the second bevel gear 14 is arranged on the outer wall of the circumference of the rotating rod 8, the first bevel gear 13 and the second bevel gear 14 are in vertical axial direction and are meshed with each other, the rotating column 11 is arranged at the left end of the first bevel gear 13, threads are arranged at the left part and the middle part of the rotating column 11, a threaded pipe 15 is sleeved around the left part of the rotating column 11, the threads inside the threaded pipe 15 are matched with the threads at the left part and the middle part of the rotating column 11, a plurality of sliding grooves 16 are arranged on, Rear end, top and bottom, the right part of screwed pipe 15 has cup jointed fixed pipe 17, the inside top of fixed pipe 17 is provided with fixed block 18, the bottom of fixed block 18 is provided with slider 19, fixed block 18 and slider 19 are four, and evenly distributed is in fixed pipe 17's inside front end, rear end, top and bottom, slider 19 sets up inside spout 16, and can slide in spout 16's inside left and right sides, through the mutually supporting of slider 19 with spout 16, in order to confirm screwed pipe 15's removal orbit. The spring leaf 12 is arranged at the left end of the threaded pipe 15, the inside of the measuring hole 7 is provided with a second bearing 20, the outer ring of the second bearing 20 is connected with the measuring hole 7, the inner ring of the second bearing 20 is connected with the right part of the rotating column 11, the right part structure of the measuring device and the left part structure of the measuring device are symmetrically arranged, the left part and the other part of the measuring device are symmetrically arranged, so that the two spring pieces 12 synchronously move when being opened, thereby ensuring that when the two spring pieces 12 respectively support the hole walls of the inclined holes, the measuring rod 1 is parallel to the inclined hole, so that the measuring accuracy of the inclined hole measuring device is greatly improved, by rotating the rotating block 10, the rotating rod 8 is driven and the measuring device is driven to move, and the spring leaf 12 is opened, and the measuring hole 7 is supported, so that the measuring rod 1 can not shake when the inclined hole measuring device is used for measuring, and further angles with different apertures can be measured more accurately.

The spring piece 12 is arc-shaped, so that the spring piece 12 can support the measuring hole 7 more stably.

Wherein, the side of the rotating block 10 is provided with a plurality of vertical anti-slip lines 21, so that the rotating block 10 can not slip when rotating, and can rotate more conveniently.

The top end of each measuring device is provided with a first bearing 9, so that the rotating rod 8 does not shake when rotating in the measuring hole 7, and the meshing between the first bevel gear 13 and the two second bevel gears 14 is more stable.

The measuring rod 1 is made of hard plastic, so that the weight of the deep hole measuring device is greatly reduced, and the deep hole measuring device has high toughness.

In summary, when the mine inclined hole measuring device is used, the measuring rod 1 of the inclined hole measuring device extends into an inclined hole and is pushed downwards until the protractor 2 is tightly attached to the ground, the rotating block 10 is rotated, the rotating block 10 drives the rotating rod 8 and drives the measuring device to move, the spring pieces 12 are opened, the measuring hole 7 is supported, when the measuring rod 1 cannot shake in the inclined hole, the indication number on the protractor 2 is read, the rotating block 10 is rotated reversely, the rotating block 10 drives the rotating rod 8 and drives the measuring device to move, the two spring pieces 12 are folded, the measuring rod 1 of the inclined hole measuring device is pulled out of the inclined hole, and measurement is completed.

When the rotating block 10 drives the rotating rod 8 to rotate, the second bevel gear 14 on the rotating rod 8 drives the first bevel gear 13 to rotate, the first bevel gear 13 drives the rotating column 11 to rotate on the second bearing 20, when the rotating column rotates, threads at the left part and the middle part of the rotating column 11 are matched with threads inside the threaded pipe 15, and then the threaded pipe 15 moves through the mutual matching of the sliding groove 16 on the threaded pipe 15 and the sliding block 19 on the fixed block 18, so that the spring piece 12 is driven to open or close.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mine inclined hole measuring device, includes measuring stick (1), the top of measuring stick (1) is provided with protractor (2), the middle part of the bottom of protractor (2) is provided with the through-hole, the through-hole runs through to the rear end of protractor (2) in the front end of protractor (2), the top front end of measuring stick (1) is provided with fixed column (3), the front end of fixed column (3) passes the through-hole to be provided with fixture block (4), the left end of fixture block (4) is provided with pointer (5), the front end of protractor (2) is provided with scale (6), its characterized in that: the measuring device comprises a measuring rod (1), and is characterized in that a measuring hole (7) is formed in the measuring rod (1), the measuring hole (7) penetrates through the top end of the measuring rod (1) to the bottom end of the measuring rod (1), a rotating rod (8) is installed in the measuring hole (7), a first bearing (9) is arranged at the top end of the measuring hole (7), the outer ring of the first bearing (9) is connected with the inner wall of the measuring rod (1), the inner wall of the first bearing (9) is connected with the top of the rotating rod (8), a rotating block (10) is arranged at the top end of the measuring rod (1), and the bottom end of the rotating block (10) is connected with the rotating rod (8);

the middle part and the bottom of the rotating rod (8) are both provided with a measuring device, the measuring device comprises a rotating column (11) and a spring leaf (12), a through groove is arranged inside the measuring rod (1), the through groove penetrates through the left end of the measuring rod (1) to the right end of the measuring rod (1), a first bevel gear (13) is arranged at the left part of the through groove, a second bevel gear (14) is arranged at the bottom of the first bevel gear (13), the second bevel gear (14) is arranged on the outer wall of the circumference of the rotating rod (8), the first bevel gear (13) and the second bevel gear (14) are in a vertical axial direction and are meshed with each other, the rotating column (11) is arranged at the left end of the first bevel gear (13), threads are arranged at the left part and the middle part of the rotating column (11), and a threaded pipe (15) is sleeved around the left part of the rotating column (11), the thread in the threaded pipe (15) is matched with the threads at the left part and the middle part of the rotating column (11), a plurality of sliding grooves (16) are formed in the circumferential surface of the threaded pipe (15) and are arranged at the front end, the rear end, the top end and the bottom end of the threaded pipe (15), the right part of the threaded pipe (15) is sleeved with a fixed pipe (17), a fixed block (18) is arranged at the top end in the fixed pipe (17), a sliding block (19) is arranged at the bottom end of the fixed block (18), the fixed block (18) and the sliding block (19) are four and are uniformly distributed at the front end, the rear end, the top end and the bottom end in the fixed pipe (17), the sliding block (19) is arranged in the sliding grooves (16) and can slide left and right in the sliding grooves (16), the spring piece (12) is arranged at the left end of the threaded pipe (15), and a second bearing (20) is arranged in the measuring hole (7), the outer ring of the second bearing (20) is connected with the measuring hole (7), the inner ring of the second bearing (20) is connected with the right part of the rotating column (11), and the right part structure of the measuring device and the left part structure of the measuring device are symmetrically arranged.

2. The mine inclined hole measuring device according to claim 1, characterized in that: the spring piece (12) is arc-shaped.

3. The mine inclined hole measuring device according to claim 1, characterized in that: the side surface of the rotating block (10) is provided with a plurality of vertical anti-skid grains (21).

4. The mine inclined hole measuring device according to claim 1, characterized in that: the top end of each measuring device is provided with a first bearing (9).

5. The mine inclined hole measuring device according to claim 1, characterized in that: the measuring rod (1) is made of hard plastics.