CN218644273U

CN218644273U - Coal mine roadway drilling direction measuring instrument

Info

Publication number: CN218644273U
Application number: CN202223312888.1U
Authority: CN
Inventors: 候振宇; 王作新
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-03-17
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a colliery well lane drilling position measuring apparatu, including annular calibrated scale, fixedly connected with bracing piece between the front side inner wall of annular calibrated scale and the rear side inner wall, the top fixedly connected with guiding mechanism of bracing piece supports guiding mechanism and annular calibrated scale through the bracing piece, and the bottom movable contact of annular calibrated scale has the pilot lever, and the outside of annular calibrated scale is equipped with the scale mark, and the pilot lever cooperatees with the scale mark, and pilot lever and scale mark cooperate, can carry out accurate location measurement to the position that needs drilling. The utility model discloses a guiding mechanism's setting can be adjusted and fixed the horizontal position of annular calibrated scale, through the setting of solid mechanism of elasticity pressure and stereoplasm rubber ring, can adjust and quick fixed the turned angle of pilot lever to can effectually reduce the risk that the pilot lever rotated or annular calibrated scale displacement among the positioning process, improve the accurate stability of location measurement.

Description

Coal mine roadway drilling direction measuring instrument

Technical Field

The utility model relates to an azimuth measurement appearance technical field especially relates to a colliery well lane drilling azimuth measurement appearance.

Background

The underground drilling of the coal mine can treat major potential safety hazards and accidents such as gas, fire, flood and the like, the azimuth angle is an indispensable basic parameter for drilling construction, the accuracy and usability of the azimuth angle setting are critical, the setting of the azimuth angle for drilling construction can be carried out by a method of measuring and calculating drawing points, electronic products and the like by technicians, and the application number is obtained by retrieval by the method of measuring and calculating the drawing point setting azimuth angle by the technicians: 201820054850.3 provides a mechanical coal mine roadway drilling azimuth measuring instrument; the problem to be solved is to design a drilling hole azimuth measuring instrument which can accurately measure the azimuth angle on the premise of ensuring the explosion-proof requirement; the technical key points are that a rectangular flaky slide rod buckle is fixed on an annular belt-shaped scale tray, a lantern ring is fixed on the rectangular flaky slide rod buckle, a slide rod is inserted into the lantern ring, and two ends of the slide rod are provided with adjusting lifting hooks; a bearing is arranged below the rectangular sheet-shaped slide rod buckle, a pointer is fixed on a bearing sleeve of the bearing, and one end of the pointer is provided with a drop line; during measurement, firstly, a reference line indicated by design is given on a top plate of an underground chamber or a roadway for drilling construction, then an azimuth instrument is horizontally hung on the top plate of the underground chamber or the roadway along the reference line, a scale tray is moved to a position right above a drill rod of drilling equipment through a sliding rod, the angle of a pointer is adjusted to reach a construction azimuth angle required by the drilling design, a machine body is straightened to enable the drill rod of the drilling equipment to be parallel to or coincident with a drop line, the drilling equipment can be fixed, and the azimuth angle of the drilling construction is given manually and ended; the explosion-proof instrument has the advantages that the explosion-proof instrument is a pure mechanical instrument, does not need a power supply and has explosion-proof performance; the operation access threshold is low, ordinary workers can operate skillfully, and the installation is convenient; the instrument is portable, and the given direction precision is high;

in the patent, after the angle of the pointer is adjusted, a structure for fixing the pointer is lacked, so that the pointer can rotate under the action of a falling line in the using process; in addition, the scale tray is not fixed after being adjusted in the front and back direction, the scale tray still has the risk of displacement, the measurement positioning accuracy can be influenced under the two conditions, the problems existing in the patents are integrated, and the measurement positioning accuracy is improved on the basis, so that the coal mine roadway drilling position measuring instrument is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings in the prior art and providing a coal mine roadway drilling position measuring instrument.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a colliery roadway drilling position measuring apparatu, including annular calibrated scale, fixedly connected with bracing piece between the front side inner wall of annular calibrated scale and the rear side inner wall, the top fixedly connected with guiding mechanism of bracing piece supports guiding mechanism and annular calibrated scale through the bracing piece, the bottom movable contact of annular calibrated scale has the pilot lever, the outside of annular calibrated scale is equipped with the scale mark, the pilot lever cooperatees with the scale mark, can carry out accurate location measurement to the position that needs drilling, the bottom right side fixedly connected with weight line of pilot lever, the bottom fixedly connected with balancing weight of weight line, the setting of balancing weight and weight line, can fix a position the position that needs drilling, the bottom fixedly connected with installation pipe of bracing piece, the runner is installed to the installation intraductal rotation, the top of pilot lever is connected with elasticity tamping mechanism, the runner cover is established on elasticity tamping mechanism, the bottom bonding of installation pipe is fixed with the stereoplasm rubber ring, elasticity tamping mechanism and stereoplasm rubber ring cooperate, can rotate after adjusting at the pilot lever and fix a quick, the bottom fixedly connected with pull ring of pilot lever, vertical pulling is carried out through the pull ring to the pilot lever.

Preferably, guiding mechanism includes two uide bushings of fixed connection at the bracing piece top, and the slip cap is equipped with same guide bar in two uide bushings, under the cooperation of guide bar and two uide bushings, can realize the front and back location to the bracing piece, and the right side bonding of guide bar is fixed with stereoplasm rubber, and the right side in close contact with of stereoplasm rubber has two T shape to press solid bolt, and the uide bushing thread bush is established on the T shape that corresponds presses solid bolt, and the T shape is pressed solid the setting of bolt, can realize fixing to the uide bushing.

Preferably, the elastic pressing and fixing mechanism comprises a square rod fixedly connected to the top of the indicating rod, a square groove is formed in the bottom end of the rotating rod, a square rod sliding sleeve is arranged in the square groove, a stretching spring in a stretching state is fixedly connected between the top end of the square rod and the inner wall of the top of the square groove, a plurality of sharp blocks fixedly connected to the top of the indicating rod, the sharp ends of the sharp blocks are in close contact with the bottom of the hard rubber ring, a first through hole is formed in the inner wall of the left side of the square groove, a positioning rod is fixedly connected between the inner wall of the top of the first through hole and the inner wall of the bottom of the square rod, a positioning block is fixedly connected to the top of the left side of the square rod, the positioning block sliding sleeve is arranged on the positioning rod, the positioning block is matched with the positioning rod, and the vertical position of the square rod can be guided.

Preferably, the front end and the equal fixedly connected with installation pole in rear end of guide bar, two bolt holes have been seted up at the top of installation pole, and the outside bolt of bolt hole cooperation can be fixed whole device.

Preferably, the mounting tube is internally and fixedly sleeved with two bearings, the inner sides of the inner rings of the bearings are fixedly connected with the outer side of the rotating rod, and the bearings play a role in rotating and mounting the rotating rod.

Preferably, a threaded hole is formed in the inner wall of the right side of the guide sleeve and is in threaded connection with the corresponding T-shaped pressing bolt, and the guide sleeve and the T-shaped pressing bolt can move transversely while rotating.

Preferably, the top of the positioning block is provided with a positioning hole, and the inner wall of the positioning hole is sleeved with the outer side of the positioning block in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the transverse position of the annular dial can be adjusted and fixed through the arrangement of the guide mechanism;

2. the installation pipe, the rotating rod, the hard rubber ring, the elastic pressing mechanism and the pull ring are matched, so that the rotating angle of the indicating rod can be adjusted and quickly fixed in a mode of pulling the pull ring and rotating, and the risk of rotating the indicating rod or displacing the annular dial in the positioning process can be effectively reduced in a mode of adjusting and fixing the annular dial and the indicating rod, and the accurate positioning and measuring stability is improved;

the utility model discloses a guiding mechanism's setting can be adjusted and fixed the horizontal position of annular calibrated scale, through the setting of solid mechanism of elasticity pressure and stereoplasm rubber ring, can adjust and quick fixed the turned angle of pilot lever to can effectually reduce the risk that the pilot lever rotated or annular calibrated scale displacement among the positioning process, improve the accurate stability of location measurement.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a coal mine roadway drilling azimuth measuring instrument provided by the present invention;

fig. 2 is a schematic view of a front cross-sectional structure of a coal mine roadway drilling azimuth measuring instrument provided by the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is the utility model provides a coal mine roadway drilling azimuth measuring instrument's overlook sectional structure sketch map.

In the figure: 100. an annular dial; 101. an indication lever; 102. line dropping; 103. a balancing weight; 1. a support bar; 2. a guide sleeve; 3. a guide bar; 4. t-shaped press bolts; 5. hard rubber; 6. mounting a rod; 7. installing a pipe; 8. a rotating rod; 9. a square groove; 10. a square bar; 11. an extension spring; 12. a hard rubber ring; 13. a sharp block; 14. positioning a rod; 15. a first through hole; 16. and (5) positioning the blocks.

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.

Referring to fig. 1-4, a coal mine roadway drilling position measuring instrument comprises an annular dial 100, a support rod 1 is fixedly connected between the front inner wall and the rear inner wall of the annular dial 100, a guide mechanism is fixedly connected to the top of the support rod 1, the guide mechanism comprises two guide sleeves 2 fixedly connected to the tops of the support rods 1, the same guide rod 3 is sleeved in the two guide sleeves 2 in a sliding manner, a hard rubber sheet 5 is fixedly bonded to the right side of the guide rod 3, two T-shaped fastening bolts 4 are tightly contacted with the right side of the hard rubber sheet 5, the guide sleeves 2 are sleeved on the corresponding T-shaped fastening bolts 4 in a threaded manner, threaded holes are formed in the right inner wall of the guide sleeves 2 and are in threaded connection with the corresponding T-shaped fastening bolts 4, the threaded holes can move transversely while the T-shaped fastening bolts 4 rotate under the action of the threaded connection of the T-shaped fastening bolts 4 and the corresponding threaded holes, the guide sleeves 2 can be fixed under the action of friction force between the T-shaped fastening bolts 4 and the corresponding threaded holes, mounting rods 6 are fixedly connected to the front end and the rear end of the guide rod 3, and the whole device can be fixed at positions of the bolt holes through the bolt holes, and the bolt holes can be matched with the whole device;

the bottom of the annular dial 100 is movably contacted with an indicating rod 101, scale marks are arranged on the outer side of the annular dial 100, the indicating rod 101 is matched with the scale marks, the scale marks are arranged to measure the rotating angle position of the indicating rod 101, a drop line 102 is fixedly connected to the right side of the bottom of the indicating rod 101, a balancing weight 103 is fixedly connected to the bottom end of the drop line 102, a mounting pipe 7 is fixedly connected to the bottom of the supporting rod 1, a rotating rod 8 is rotatably mounted in the mounting pipe 7, two bearings are fixedly sleeved in the mounting pipe 7, the inner sides of the inner rings of the bearings are fixedly connected with the outer side of the rotating rod 8, and the bearings have the effect of rotatably mounting the rotating rod 8 in the mounting pipe 7;

the top of the indication rod 101 is connected with an elastic pressing mechanism, the rotating rod 8 is sleeved on the elastic pressing mechanism, the bottom end of the installation pipe 7 is fixedly bonded with a hard rubber ring 12, the elastic pressing mechanism is in close contact with the bottom of the hard rubber ring 12, the elastic pressing mechanism comprises a square rod 10 fixedly connected with the top of the indication rod 101, the bottom end of the rotating rod 8 is provided with a square groove 9, the square rod 10 is slidably sleeved in the square groove 9, an extension spring 11 in a stretching state is fixedly connected between the top end of the square rod 10 and the inner wall of the top of the square groove 9, the top of the indication rod 101 is fixedly connected with a plurality of sharp blocks 13, the sharp ends of the sharp blocks 13 are in close contact with the bottom of the hard rubber ring 12, the extension spring 11 in the stretching state can always give the square rod 10 an upward pulling force, so that the plurality of sharp blocks 13 can always have an upward force and are in close contact with the bottom of the hard rubber ring 12, the fixing stability is improved, a first through hole 15 is arranged on the inner wall of the left side of the square groove 9, a positioning rod 14 is fixedly connected between the top inner wall and the bottom inner wall of the first through hole 15, a positioning block 16 is fixedly connected to the top of the left side of the square rod 10, the positioning block 16 is slidably sleeved on the positioning rod 14, wherein the positioning hole is arranged at the top of the positioning block 16, the inner wall of the positioning hole is slidably sleeved with the outer side of the positioning rod 14, the vertical positioning of the square rod 10 can be realized by matching the positioning block 16 with the positioning rod 14, a pull ring is fixedly connected to the bottom of the indicating rod 101, the indicating rod 101 can be pulled downwards by the pull ring, the utility model discloses a guide mechanism, which can adjust and fix the transverse position of the annular dial 100, and can adjust and quickly fix the rotation angle of the indicating rod 101 by the arrangement of an elastic press-fixing mechanism and a hard rubber ring 12, therefore, the risk of rotation of the indicating rod 101 or displacement of the annular dial 100 in the positioning process can be effectively reduced, and the positioning and measuring accuracy and stability are improved.

The working principle is as follows: when the drilling azimuth measurement is carried out, firstly, a reference line indicated by design is given on a top plate of a chamber or a roadway for drilling construction, then the whole measuring instrument is horizontally hung on the top plate of the chamber or the roadway for drilling construction along the reference line through two mounting rods 6 matched with external bolts, then, the annular dial 100 is moved to the position right above a drill rod of drilling equipment, when the measuring instrument is moved, firstly, two T-shaped press bolts 4,T and the annular press bolts 4 are rotated in corresponding threaded holes in a reverse direction and moved to the right to be separated from the hard rubber 5, the fixing on the guide sleeve 2 is released, then, the annular dial 100 is moved forwards or backwards, the annular dial 100 drives two guide sleeves 2 to slide on the guide rod 3, when the annular dial 100 is moved to the position above the drill rod, the annular dial 100 is stopped to be moved, then, the two T-shaped press bolts 4,T and the annular press bolts 4 are rotated in corresponding threaded holes in the right direction and moved to the right side to be in close contact with the hard rubber 5, and the annular dial 100 is fixed under the action of friction force between the T-shaped hard rubber 4 and the corresponding rubber 5;

when the angular position of the balancing weight 103 is adjusted according to the construction azimuth of the drilling hole, the pull ring is pulled downwards to drive the indicating rod 101 to move downwards, the indicating rod 101 drives the square rod 10 to slide downwards in the square groove 9, the square rod 10 drives the positioning block 16 to slide downwards on the positioning rod 14, the square rod 10 moves downwards and simultaneously stretches the stretching spring 11, the indicating rod 101 drives the plurality of sharp blocks 13 to move downwards to be separated from the hard rubber ring 12, the fixing of the indicating rod 101 is released, the indicating rod 101 can be rotated at the moment, the indicating rod 101 drives the square rod 10 to rotate, the square rod 10 drives the rotating rod 8 to rotate sequentially through the positioning block 16 and the positioning rod 14, the indicating rod 101 drives the falling line 102 and the balancing weight 103 on the falling line to rotate, and when the indicating rod 101 rotates to a required azimuth angle by observing the scale value corresponding to the scale line outside the annular dial 100 by the balancing weight 103, the indicating rod 101 stops rotating, the pulling force to the downward direction of the indicating rod 101 is released, the elastic force of the extension spring 11 in the stretching state drives the square rod 10 to move upwards, the square rod 10 drives the indicating rod 101 to move upwards, the indicating rod 101 drives the plurality of sharp blocks 13 to move upwards to be in close contact with the bottom of the hard rubber ring 12, under the action of friction force between the sharp blocks 13 and the hard rubber ring 12, the indicating rod 101 is fixed, the adjustment is completed, the machine body can be straightened to enable the drill rod of the drilling equipment to be parallel to or coincident with the drop line 102, the drilling equipment can be fixed to conduct drilling operation, the azimuth angle of the drilling construction is manually set to be completed, the risk that the indicating rod 101 rotates or the annular dial 100 displaces in the positioning process can be effectively reduced through the mode that the angular positions of the indicating rod 101 and the annular dial 100 are adjusted and fixed, and the positioning measurement accuracy and stability are improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a colliery roadway drilling position measuring apparatu, including annular calibrated scale (100), fixedly connected with bracing piece (1) between the front side inner wall of annular calibrated scale (100) and the rear side inner wall, a serial communication port, the top fixedly connected with guiding mechanism of bracing piece (1), the bottom movable contact of annular calibrated scale (100) has indicator lever (101), the outside of annular calibrated scale (100) is equipped with the scale mark, indicator lever (101) cooperatees with the scale mark, the bottom right side fixedly connected with weight line (102) of indicator lever (101), the bottom fixedly connected with balancing weight (103) of weight line (102), the bottom fixedly connected with installation tube (7) of bracing piece (1), bull stick (8) are installed to installation tube (7) internal rotation, the top of indicator lever (101) is connected with elasticity tamping mechanism, bull stick (8) cover is established on elasticity tamping mechanism, the bottom bonding of installation tube (7) is fixed with stereoplasm rubber ring (12), elasticity tamping mechanism and the bottom in close contact with of stereoplasm rubber ring (12), the bottom fixedly connected with pull ring of indicator lever (101).

2. The coal mine roadway drilling position measuring instrument according to claim 1, wherein the guide mechanism comprises two guide sleeves (2) fixedly connected to the tops of the support rods (1), the same guide rod (3) is sleeved in the two guide sleeves (2) in a sliding manner, a hard rubber sheet (5) is fixedly bonded to the right side of the guide rod (3), two T-shaped press bolts (4) are tightly contacted with the right side of the hard rubber sheet (5), and the guide sleeves (2) are sleeved on the corresponding T-shaped press bolts (4) in a threaded manner.

3. The coal mine roadway drilling position measuring instrument according to claim 2, wherein the elastic pressing mechanism comprises a square rod (10) fixedly connected to the top of the indicating rod (101), a square groove (9) is formed in the bottom end of the rotating rod (8), the square rod (10) is slidably sleeved in the square groove (9), a tension spring (11) in a tension state is fixedly connected between the top end of the square rod (10) and the inner wall of the top of the square groove (9), a plurality of sharp blocks (13) are fixedly connected to the top of the indicating rod (101), the sharp ends of the sharp blocks (13) are in close contact with the bottom of the hard rubber ring (12), a first through hole (15) is formed in the inner wall of the left side of the square groove (9), a positioning rod (14) is fixedly connected between the inner wall of the top of the first through hole (15) and the inner wall of the bottom, a positioning block (16) is fixedly connected to the top of the left side of the square rod (10), and the positioning block (16) is slidably sleeved on the positioning rod (14).

4. The coal mine roadway drilling direction measuring instrument according to claim 2, wherein the front end and the rear end of the guide rod (3) are fixedly connected with a mounting rod (6), and two bolt holes are formed in the top of the mounting rod (6).

5. The coal mine roadway drilling direction measuring instrument as claimed in claim 1, wherein two bearings are fixedly sleeved in the mounting pipe (7), and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the rotating rods (8).

6. The coal mine roadway drilling direction measuring instrument as claimed in claim 2, wherein a threaded hole is formed in the right inner wall of the guide sleeve (2), and the threaded hole is in threaded connection with the corresponding T-shaped press-fixing bolt (4).

7. The coal mine roadway drilling direction measuring instrument as claimed in claim 3, wherein a positioning hole is formed in the top of the positioning block (16), and the inner wall of the positioning hole is slidably sleeved with the outer side of the positioning block (14).