CN216977748U

CN216977748U - Coal mine surface subsidence depth measuring device

Info

Publication number: CN216977748U
Application number: CN202220580618.XU
Authority: CN
Inventors: 秦翀
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-15
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to the technical field of depth measuring devices, and discloses a coal mine ground surface collapse depth measuring device which comprises a base, wherein the depth measuring device is fixedly mounted at the top of the base, the depth measuring device comprises a motor, a first rotating rod, a wire spool, a measuring wire, a mounting plate, a fixed pulley, a weight block and a pressure sensor, and the motor is fixedly mounted at the top of the base. Through observing the initial value on the measuring line, the motor restarts, the motor drives first bull stick and rotates, thereby drive the cylinder rotation of wire reel, the cylinder rotation of wire reel can drive the heavy object piece through the measuring line and descend, when the heavy object piece descends to the bottom of caving in, can extrude the pressure sensor of heavy object piece bottom, close the motor through pressure sensor, thereby stop the heavy object piece and descend, observe the numerical value on the measuring line once more, confirm the degree of depth of caving in, thereby reach the heavy object piece decline of automatic shutdown, improve measurement accuracy's purpose.

Description

Coal mine surface subsidence depth measuring device

Technical Field

The utility model relates to the technical field of depth measuring devices, in particular to a coal mine surface subsidence depth measuring device.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast mines. When the coal layer is far away from the ground surface, a tunnel is usually dug to the underground to mine the coal, which is a mineworker coal mine. When the coal seam is very close to the earth's surface, the earth's surface layer is usually directly stripped to excavate coal, which is an open pit coal mine. Most coal mines in China belong to underground coal mines. Coal mines encompass a large area above and below ground and related facilities. The coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, and generally comprises a roadway, a well cave, an excavation surface and the like, the phenomenon that an exploitation ground surface subsidence area cracks can occur in the coal mining process, the cracks need to be measured in order to ensure the operation safety, a professional coal mining ground surface subsidence area crack measuring device is needed in the measuring process, the existing measuring device emits a measuring line, then a balancing weight is in contact with the ground, the paying-off is stopped, and the numerical value of the measuring line is read.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for measuring the surface subsidence depth of a coal mine, which solves the problems mentioned in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine ground surface collapse depth measuring device comprises a base, wherein the top of the base is fixedly provided with a depth measuring device, the depth measuring device comprises a motor, a first rotating rod, a wire spool, a measuring line, a mounting plate, a fixed pulley, a heavy object block and a pressure sensor, the motor is fixedly arranged at the top of the base, one end of the first rotating rod is fixedly connected with a shaft coupling of the motor, the wire spool is fixedly arranged at the top of the base, a roller of the wire spool is fixedly connected with the other end of the first rotating rod, the measuring line is wound on the roller of the wire spool, one end of the measuring line is fixedly connected with the roller of the wire spool, a scale strip is arranged on the measuring line, the fixed pulley is fixedly connected at the bottom of the mounting plate, the measuring line is wound on the outer wall of the fixed pulley, the heavy object block is fixedly connected with the other end of the measuring line, the pressure sensor is fixedly arranged at the bottom of the heavy object block, and the pressure sensor is electrically connected with the motor.

Preferably, the top fixedly connected with pillar of base, the inside of pillar is provided with rotary device, rotary device includes worm, knob, second bull stick, worm wheel, carousel, the worm runs through one side of pillar and rotates through inner wall one side of second bearing and pillar through first bearing and is connected, knob fixed connection is in one side of worm, the second bull stick rotates through the inner wall bottom of third bearing and pillar and is connected, the worm wheel fixed cover is established on the second bull stick, and the worm wheel is connected with the worm meshing, carousel fixed connection is at the top of second bull stick, and the top swing joint of carousel and pillar, through setting up rotary device, is in order to adjust the measuring direction of heavy object piece, makes the device operation more nimble, improves the practicality of device.

Preferably, the top fixed mounting of carousel has electric telescopic handle, and electric telescopic handle's expansion end bottom and the top fixed connection of mounting panel, through setting up electric telescopic handle, is for the convenience of adjusting the heavy object piece and stretches into the length that sinks, makes the heavy object piece can accurately descend the assigned position.

Preferably, the outside of motor is provided with the guard box, the top of guard box is provided with the switch, and switch and motor electric connection, through setting up the guard box, be for the protection motor, make motor ability steady operation, through setting up the switch, be for control motor.

Preferably, the bottom fixed mounting of base has the universal wheel, through setting up the universal wheel, is for the convenience mobile device.

Preferably, one side fixedly connected with fixed plate of base, the top fixed mounting of fixed plate has the pneumatic cylinder, the output of pneumatic cylinder runs through the top of fixed plate, and the bottom fixedly connected with point awl of the output of pneumatic cylinder, through setting up pneumatic cylinder and point awl, is in order to fix the device, improves the stability of device.

The utility model provides a device for measuring the surface subsidence depth of a coal mine. The method has the following beneficial effects:

(1) according to the utility model, the initial value on the measuring line is observed, the motor is started again, the motor drives the first rotating rod to rotate, so that the roller of the wire spool is driven to rotate, the roller of the wire spool rotates to drive the heavy object block to descend through the measuring line, when the heavy object block descends to the bottom of collapse, the pressure sensor at the bottom of the heavy object block is extruded, the motor is closed through the pressure sensor, so that the descending of the heavy object block is stopped, the numerical value on the measuring line is observed again, the depth of collapse is determined, and the purposes of automatically stopping the descending of the heavy object block and improving the measuring precision are achieved.

(2) According to the utility model, the knob is rotated to drive the worm to rotate so as to drive the worm wheel to rotate, the worm wheel can drive the second rotating rod to rotate so as to drive the rotating disc to rotate, the purpose of adjusting the direction of the heavy object block is achieved, and then the electric telescopic rod is started to drive the heavy object block to move right above the depth to be measured, so that the heavy object block can accurately descend.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of a rotary device of the present invention.

In the figure: 1. a base; 2. a depth measuring device; 201. a motor; 202. a first rotating lever; 203. a wire spool; 204. measuring a line; 205. mounting a plate; 206. a fixed pulley; 207. a heavy material block; 208. a pressure sensor; 3. a pillar; 4. a rotating device; 401. a worm; 402. a knob; 403. a second rotating rod; 404. A worm gear; 405. a turntable; 5. an electric telescopic rod; 6. a universal wheel; 7. and (5) fixing the plate.

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.

As shown in fig. 1-3, the present invention provides a technical solution: a coal mine ground surface collapse depth measuring device comprises a base 1, a fixing plate 7 is fixedly connected to one side of the base 1, a hydraulic cylinder is fixedly mounted at the top of the fixing plate 7, the output end of the hydraulic cylinder penetrates through the top of the fixing plate 7, a pointed cone is fixedly connected to the bottom of the output end of the hydraulic cylinder, the hydraulic cylinder and the pointed cone are arranged to fix the device, the stability of the device is improved, universal wheels 6 are fixedly mounted at the bottom of the base 1, the universal wheels 6 are arranged to facilitate moving the device, a depth measuring device 2 is fixedly mounted at the top of the base 1, the depth measuring device 2 comprises a motor 201, a first rotating rod 202, a wire winding disc 203, a measuring wire 204, a mounting plate 205, a fixed pulley 206, a heavy object 207 and a pressure sensor 208, the motor 201 is fixedly mounted at the top of the base 1, a protection box is arranged outside the motor 201, and a switch is arranged at the top of the protection box, the switch is electrically connected with the motor 201, the protection box is arranged to protect the motor 201 and enable the motor 201 to stably run, the switch is arranged to control the motor 201, one end of the first rotating rod 202 is fixedly connected with a coupler of the motor 201, the wire spool 203 is fixedly arranged at the top of the base 1, a roller of the wire spool 203 is fixedly connected with the other end of the first rotating rod 202, the measuring wire 204 is wound on the roller of the wire spool 203, one end of the measuring wire 204 is fixedly connected with the roller of the wire spool 203, a scale bar is arranged on the measuring wire 204, the fixed pulley 206 is fixedly connected with the bottom of the mounting plate 205, the measuring wire 204 is wound on the outer wall of the fixed pulley 206, the weight block 207 is fixedly connected with the other end of the measuring wire 204, the pressure sensor 208 is fixedly arranged at the bottom of the weight block 207, the pressure sensor 208 is electrically connected with the motor 201, the support 3 is fixedly connected with the top of the base 1, the rotating device 4 is arranged in the pillar 3, the rotating device 4 comprises a worm 401, a knob 402, a second rotating rod 403, a worm wheel 404 and a rotary table 405, the worm 401 penetrates through one side of the pillar 3 through a first bearing and is rotatably connected with one side of the inner wall of the pillar 3 through a second bearing, the knob 402 is fixedly connected with one side of the worm 401, the second rotating rod 403 is rotatably connected with the bottom of the inner wall of the pillar 3 through a third bearing, the worm wheel 404 is fixedly sleeved on the second rotating rod 403, the worm wheel 404 is meshed with the worm 401, the rotary table 405 is fixedly connected with the top of the second rotating rod 403, the rotary table 405 is movably connected with the top of the pillar 3, an electric telescopic rod 5 is fixedly installed at the top of the rotary table 405, the bottom of the movable end of the electric telescopic rod 5 is fixedly connected with the top of the mounting plate 205, and the electric telescopic rod 5 is arranged to facilitate adjustment of the length of the weight block 207 which stretches into and collapses, the weight block 207 can accurately descend to a specified position, and the rotating device 4 is arranged to adjust the measuring direction of the weight block 207, so that the device is more flexible to operate, and the practicability of the device is improved.

The working principle is as follows: the device is moved to the edge of collapse to be measured through the universal wheel 6, the hydraulic cylinder is started to drive the pointed cone to be inserted into the ground, the device is fixed, the knob 402 is rotated to drive the worm 401 to rotate so as to drive the worm wheel 404 to rotate, the worm wheel 404 rotates to drive the second rotating rod 403 to rotate so as to drive the rotating disc 405 to rotate, the purpose of adjusting the direction of the weight block 207 is achieved, the electric telescopic rod 5 is started again to drive the weight block 207 to move right above the depth to be measured, the motor 201 is started again by observing the initial value on the measuring line 204, the motor 201 drives the first rotating rod 202 to rotate so as to drive the roller of the wire winding disc 203 to rotate, the roller of the wire winding disc 203 rotates to drive the weight block 207 to descend through the measuring line, when the weight block 207 descends to the bottom of collapse, the pressure sensor 208 at the bottom of the weight block 207 is squeezed, the motor 201 is turned off through the pressure sensor 208, therefore, the weight block 207 is stopped from descending, the numerical value on the measuring line 204 is observed again, and the collapse depth is determined, so that the purposes of automatically stopping the weight block 207 from descending and improving the measuring precision are achieved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery earth's surface depth of collapse measuring device, includes base (1), its characterized in that: the depth measuring device (2) is fixedly mounted at the top of the base (1), the depth measuring device (2) comprises a motor (201), a first rotating rod (202), a wire spool (203), a measuring line (204), a mounting plate (205), a fixed pulley (206), a heavy weight block (207) and a pressure sensor (208), the motor (201) is fixedly mounted at the top of the base (1), one end of the first rotating rod (202) is fixedly connected with a coupler of the motor (201), the wire spool (203) is fixedly mounted at the top of the base (1), a roller of the wire spool (203) is fixedly connected with the other end of the first rotating rod (202), the measuring line (204) is wound on the roller of the wire spool (203), one end of the measuring line (204) is fixedly connected with the roller of the wire spool (203), a scale bar is arranged on the measuring line (204), and the fixed pulley (206) is fixedly connected at the bottom of the mounting plate (205), and the measuring line (204) is wound on the outer wall of the fixed pulley (206), the heavy object block (207) is fixedly connected with the other end of the measuring line (204), the pressure sensor (208) is fixedly arranged at the bottom of the heavy object block (207), and the pressure sensor (208) is electrically connected with the motor (201).

2. The coal mine ground surface collapse depth measuring device of claim 1, wherein: the top of the base (1) is fixedly connected with a support column (3), a rotating device (4) is arranged inside the support column (3), the rotating device (4) comprises a worm (401), a knob (402), a second rotating rod (403), a worm wheel (404) and a turntable (405), the worm (401) penetrates through one side of the support column (3) through a first bearing and is rotatably connected with one side of the inner wall of the support column (3) through a second bearing, the knob (402) is fixedly connected to one side of the worm (401), the second rotating rod (403) is rotatably connected with the bottom of the inner wall of the support column (3) through a third bearing, the worm wheel (404) is fixedly sleeved on the second rotating rod (403), and the worm wheel (404) is meshed with the worm (401), the rotary disc (405) is fixedly connected to the top of the second rotating rod (403), and the rotary disc (405) is movably connected with the top of the support column (3).

3. The coal mine ground surface collapse depth measuring device of claim 2, wherein: the top fixed mounting of carousel (405) has electric telescopic handle (5), and the top fixed connection of the expansion end bottom and mounting panel (205) of electric telescopic handle (5).

4. The coal mine ground surface collapse depth measuring device of claim 3, wherein: the outside of motor (201) is provided with the guard box, the top of guard box is provided with the switch, and switch and motor (201) electric connection.

5. The coal mine ground surface collapse depth measuring device of claim 4, wherein: the bottom of the base (1) is fixedly provided with universal wheels (6).

6. The coal mine ground surface collapse depth measuring device of claim 5, wherein: one side fixedly connected with fixed plate (7) of base (1), the top fixed mounting of fixed plate (7) has the pneumatic cylinder, the output of pneumatic cylinder runs through the top of fixed plate (7), and the bottom fixedly connected with point awl of the output of pneumatic cylinder.