CN114812423A - Mechanical digital disc type roof separation layer sensor - Google Patents
Mechanical digital disc type roof separation layer sensor Download PDFInfo
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- CN114812423A CN114812423A CN202210439365.9A CN202210439365A CN114812423A CN 114812423 A CN114812423 A CN 114812423A CN 202210439365 A CN202210439365 A CN 202210439365A CN 114812423 A CN114812423 A CN 114812423A
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- 238000000926 separation method Methods 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000032798 delamination Effects 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000005065 mining Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000935974 Paralichthys dentatus Species 0.000 description 1
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
Abstract
A mechanical digital disc type roof separation sensor comprises a main frame, and a rotary driving wheel, a digital display module and a sensing module which are arranged on the main frame, wherein the digital display module comprises three digital code discs which are sequentially connected in a transmission manner according to a preset transmission ratio; the sensing module includes the lead screw, screw and cantilever beam, lead screw and body frame rotate to be connected and are connected with the transmission of rotation drive wheel, be equipped with no axial pivoted screw on it, cantilever beam one end is connected with the body frame, the other end is contradicted with the outer terminal surface of screw, be equipped with fiber grating on it, it moves along the lead screw to drive the lead screw rotation and drive the screw through rotating the drive wheel, the screw displacement drives the cantilever beam and produces bending deformation, and will deform information transmission to long-range host computer through fiber grating, the real-time remote monitoring to roof off-layer state is realized, the safety of working in the pit has further been guaranteed.
Description
Technical Field
The invention relates to the technical field of coal mine safety, in particular to a mechanical digital disc type roof separation sensor.
Background
In the coal mining field, along with the increase of the mining time, the environment in the mine tunnel also can become more and more complicated, accidents such as coal collapse occur occasionally, and under this kind of complex environment, in order to guarantee the needs of safety in production, often use roof separation sensor to come real-time monitoring mine tunnel roof's displacement state.
The inventor just discloses a mining optical fiber roof separation sensor with high visibility in a utility model patent with the patent number of CN202021007690.0 aiming at the problem, the sensor adopts a steel wire rope to drive a roller mechanism, and after transmission at all levels, deformation results are fed back to a dial plate, the similar structure also adopts a mining wide-range optical fiber grating passive visual roof separation sensor with the patent number of CN201920085616.1, the existing roof separation sensor adopts a dial plate structure, and the structure is different according to the angle of reading when reading, the read data are also different, for example, when reading is looked up from below, the read data are larger than actual data, and the tiny reading difference can cause great potential safety hazards.
Aiming at the problems, the inventor imagines a great deal, and applies a mechanical counter irrelevant to the mining field or the roof separation sensor to the roof separation sensor, and reads in a digital display mode, so that the reading precision is greatly improved, and the existing mechanical counter only has a single counting function, so that on the basis of ensuring the accurate reading, the inventor designs the structure of the roof separation sensor elaborately again, so that the roof separation sensor can feed back the roof separation state to a remote host through an optical fiber grating in real time to monitor the roof separation state in real time, and the safety of a mine roadway is ensured.
Disclosure of Invention
In order to solve the problems that the conventional roof separation sensor is a pointer and a dial plate type, so that large deviation exists in reading and a mine roadway has large potential safety hazard, the invention provides a mechanical digital disc type roof separation sensor.
The technical scheme of the invention is as follows:
the utility model provides a machinery digital disc roof separation layer sensor, includes the body frame, be equipped with power module, digital display module and sensing module on the body frame, the roof separation layer sensor passes through the body frame and accomplishes holistic installation fixedly, and the roof separation layer state can transmit to digital display module and sensing module through power module, can make the workman in the pit observe the roof separation layer state through digital display module, can feed back the roof separation layer state to long-range host computer through sensing module, realizes the real time monitoring to roof separation layer state, has ensured the safety in mine tunnel.
The mechanical digital disc type roof separation sensor comprises a power module and a digital display module, wherein the power module comprises a rotary driving wheel, a steel wire rope is wound on the rotary driving wheel, the outer end of the steel wire rope is fixed through an anchor claw, the roof separation state is fed back to the rotary driving wheel through the steel wire rope, the rotary driving wheel is pulled to rotate, the digital display module comprises a plurality of digital code discs, the digital code discs are sequentially connected in a transmission mode according to a preset transmission ratio, one of the digital code discs can be driven to rotate through the rotary driving wheel, and other digital code discs are driven to accelerate or decelerate according to the preset transmission ratio, so that workers can observe the roof separation state of a mine roadway in real time, and the reading accuracy is greatly improved due to the digital design mode.
As a preferable scheme, the digital code disc comprises a first digital code disc, a second digital code disc and a third digital code disc which are sequentially connected through gears, ten numbers are circumferentially arranged on the digital code disc and are circumferentially divided into ten parts, the rotating driving wheel is connected with the first digital code disc through a gear, the transmission ratio of the first digital code disc, the second digital code disc and the third digital code disc is 100:10:1, the rotating driving wheel can rotate under the pulling of a steel wire rope to further drive the first digital code disc to rotate, when the first digital code disc rotates for 360 degrees, the second digital code disc rotates for 36 degrees, when the second digital code disc rotates for 360 degrees, the third digital code disc rotates for 36 degrees, and under the premise that the accurate reading is guaranteed, the measuring range of the top plate separation sensor is increased.
Furthermore, the main frame front end still is equipped with the reading window, can carry out digital code disc's reading work through the reading window, has further guaranteed the degree of accuracy of reading.
The mechanical digital disc type roof separation sensor comprises a lead screw, a nut and a cantilever beam, wherein the lead screw is rotationally connected with a main frame and is in transmission connection with a rotary driving wheel, the lead screw is provided with the nut, the nut is connected with the main frame through a limiting device, the axial rotation of the nut can be limited through the limiting device, one end of the cantilever beam is connected with the main frame, the other end of the cantilever beam is abutted against the outer end face of the nut, the lead screw can be driven to rotate through the rotary driving wheel, the nut is driven to move along the lead screw, the displacement change of the nut can drive the cantilever beam to generate bending deformation, the deformation information is transmitted to a remote host through the fiber grating, the remote monitoring of roof separation state information is realized, the safe underground work is further ensured, and the nut is moved to jack up the cantilever beam, compared with a mode of jacking the cantilever beam by rotating the cam, the transmission is more accurate, the deformation quantity of the cantilever beam and the displacement quantity of the screw can keep a linear relation, the accuracy of data transmission is ensured, and the real-time prediction of the roof separation state can be carried out according to the transmitted data.
Further, the body frame includes the fixed plate, the fixed plate is located between power module and the digital display module, fixed plate one side is located in the lead screw rotation, lead screw one side fixed connection is kept away from with the fixed plate to cantilever beam one end, and the other end is contradicted with the outer terminal surface activity of screw, guarantees that the cantilever beam has great deformation volume.
It should be noted that the lead screw is arranged on one side, close to the reading window, of the fixing plate, and the connecting end of the cantilever beam and the fixing plate is located on one side, far away from the reading window, of the fixing plate, so that the cantilever beam is convenient to arrange on one hand, and meanwhile, the connection between the fiber grating and the cantilever beam and the arrangement between the fiber grating are more convenient.
As preferred, the screw includes the main part of cylindricality structure, and through main part and lead screw threaded connection, the outer lane outside extension that the screw is close to fixed plate one side is equipped with the tight portion in top, the expansion end of cantilever beam supports on the tight portion terminal surface in top to can slide on the tight portion terminal surface in top along with the axial displacement of screw, the screw passes through the main part and is connected with the lead screw, has guaranteed the joint strength of screw and lead screw, and then has guaranteed that the screw has accurate displacement volume under the lead screw drives, the setting of the tight portion in top simultaneously, guaranteed that the cantilever beam when taking place great deformation, its one end of contradicting with the screw can contact with the screw all the time.
Furthermore, the tight portion in top still is equipped with the slide opening, stop device includes the litter, the litter is arranged in parallel to the lead screw, and its one end is connected with the fixed plate, the nut passes through slide opening and litter sliding connection, it needs to explain that, the axis that the slide opening deviates from the lead screw is arranged, rotates through rotating the drive wheel like this and drives the lead screw and rotate, and the nut only can slide under the litter effect, produces the displacement under the lead screw effect for can keep stable relation between rotation drive wheel rotation volume and the nut displacement volume, and then guarantee the accuracy of data transmission.
Preferably, the center line of the cantilever beam passes through the axis of the screw rod and is perpendicular to the axis of the screw rod, so that when the nut moves along the axial direction of the screw rod, the nut has a stable interference relationship with the cantilever beam, and simultaneously, the displacement of the nut has a stable linear relationship with the deformation of the cantilever beam.
Further, the cantilever beam is equipped with the tight portion contact one end in top and is curved contact, just the arc top of contact is contradicted with the tight portion in top, prevents that the tight portion outer lane in top from exerting an effect to the cantilever beam, influences the deformation effect of cantilever beam.
According to the mechanical digital disc type roof separation sensor, the rotary driving wheel is in transmission connection with the digital display module and the sensing module through the connecting wheel, the rotary driving wheel is connected with the connecting wheel through the limiting part, and the rotary driving wheel and the connecting wheel can be fixed to rotate mutually through the limiting part.
Particularly, spacing part includes spacing platform, rotate drive wheel and body frame sliding connection, spacing platform is located the fifth wheel and is close to rotation drive wheel one side, it is equipped with spacing mouthful to rotate the drive wheel and be close to fifth wheel one side, spacing platform can stretch into or break away from spacing mouthful under the sliding action that rotates the drive wheel, and design like this makes when carrying out initial wire winding during operation, rotates the drive wheel and can break away from the fifth wheel and rotate alone, cooperates with the fifth wheel again after the wire winding is accomplished, makes the device use more convenient and fast.
Further, the rotation driving wheel is connected with the main frame through the rotation of the clockwork spring, the rotation driving wheel can rotate forward under the action of the steel wire rope and drive the digital display module and the sensing module to work, and can rotate reversely under the action of the clockwork spring, so that the rotation driving wheel has an automatic reset function, and the practicability of the device is improved.
Further, the main frame outside still is equipped with the rocking handle, the rocking handle is connected with the rotation drive wheel and can drives the rotation drive wheel and rotate, accomplishes wire winding work, makes the device use more convenient.
Furthermore, in order to ensure that the wire outlet direction of the steel wire rope is fixed and prevent the steel wire rope from being separated from the rotating driving wheel, an auxiliary wire wheel is further rotatably arranged on the outer side of the rotating driving wheel.
The invention has the beneficial effects that:
(1): the invention is a mechanical digital disc type roof separation sensor, which adopts a steel wire rope to drive a rotating driving wheel to rotate so as to drive a digital display module to work, wherein the digital display module comprises three digital code discs with three-stage transmission, the rotating driving wheel rotates to drive the digital code discs to rotate, and the rotation quantity of the rotating driving wheel is displayed in a digital form through the digital code discs, so that the reading can be more accurate;
(2): the rotation of the rotary driving wheel can also drive the screw rod to rotate, so that the screw nut slides along the screw rod under the action of the limiting device to jack up the cantilever beam, the fiber bragg grating is arranged on the cantilever beam, deformation information of the cantilever beam can be transmitted to the remote host through the fiber bragg grating, real-time remote monitoring of the delamination state of the top plate is realized, and the safety of underground work is further ensured.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of a top plate delamination sensor in an embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural diagram of a digital display module in an embodiment;
FIG. 4 is a rear view of FIG. 3;
FIG. 5 is a schematic diagram of a position of a sensing module in an embodiment;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic structural diagram of a power module in an embodiment;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a schematic view showing a mounting structure of a driving unit according to an embodiment;
the components represented by the reference numerals in the figures are:
1. a main frame; 11. a structural frame; 111. a first mounting plate; 112. a second mounting plate; 113. a third mounting plate; 114. a fourth mounting plate; 115. a fixing plate; 116. an adjusting plate; 12. a front plate; 13. a back plate; 2. a digital display module; 21. a first set of trays; 211. a first drive gear; 212. a first digital disc; 213. a first driven wheel; 214. a first transfer gear; 215. a first reduction gear; 22. a second disk group; 221. a second driving gear; 222. a second digital disc; 223. a second driven gear; 224. a second transfer gear; 225. a second reduction gear; 23. a third set of trays; 231. a third driving gear; 232. a third digital disc; 3. a sensing module; 31. an adjusting gear; 32. a screw rod; 33. a nut; 34. a mounting table; 35. a cantilever beam; 36. a slide rod; 4. a power module; 41. a drive assembly; 411. rotating the drive wheel; 412. a rocking handle; 413. a connecting wheel; 414. a splint; 415. a bearing; 42. an intermediate gear; 43. an auxiliary reel; 5. a transmission member; 51. a main drive gear; 52. a drive axle; 53. and a secondary transmission gear.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
Examples
The embodiment provides a mechanical digital disc type roof separation sensor, refer to fig. 1-9, including body frame 1, be equipped with power module 4, digital display module 2 and sensing module 3 on the body frame 1, the roof separation sensor accomplishes holistic installation through body frame 1 and fixes, and the roof separation state can transmit to digital display module 2 and sensing module 3 through power module 4, can make the workman in the pit observe the roof separation state through digital display module 2, can feed back the roof separation state to long-range host computer through sensing module 3, realizes the real time monitoring to the roof separation state, has ensured the safety in mine tunnel.
In this embodiment, combine fig. 2, body frame 1 includes structure frame 11, structure frame 11 includes a plurality of plates of vertical arrangement, and a plurality of plates are the linear clearance arrangement that is parallel to each other, and be first mounting panel 111, second mounting panel 112, third mounting panel 113, fourth mounting panel 114, fixed plate 115 and regulating plate 116 in proper order, the plate all includes square structure, and the department between the adjacent mounting panel, between fourth mounting panel 114 and fixed plate 115, between fixed plate 115 and the regulating plate 116 builds army and passes through the spliced pole and connect, makes structure frame 11 form a horizontal multilayer structure, both ends are equipped with front bezel 12 and back plate 13 respectively around the framework.
In this embodiment, with reference to fig. 3 and 4, the digital display module 2 includes a first code disc group 21, a second code disc group 22, and a third code disc group 23, which are sequentially connected in a transmission manner according to a preset transmission ratio, where the three code disc groups include a first digital disc 212, a second digital disc 222, and a third digital disc 232, respectively, the first digital disc 212, the second digital disc 222, and the third digital disc 232 are located between the third mounting plate 113 and the fourth mounting plate 114, between the second mounting plate 112 and the third mounting plate 113, and between the first mounting plate 111 and the second mounting plate 112, two sides of the axis of the digital disc are respectively connected with the mounting plates on two sides through connecting shafts, and the rotation axes of the three digital discs are collinear.
Furthermore, a connecting shaft of the first digital disc 212 close to one side of the fourth mounting plate 114 penetrates through the fourth mounting plate 114 and is connected with a first driving gear 211, the first digital disc 212 can be driven to rotate through the first driving gear 211, a first driven gear is arranged on the connecting shaft of the first digital disc 212 close to one side of the third mounting plate 113, a first transfer shaft penetrates through the third mounting plate 113, a first transfer gear 214 meshed with the first driven gear is arranged at one end of the first transfer shaft close to the first digital disc 212, and a first reduction gear 215 is arranged at the other end of the first transfer shaft.
Further, a second driving gear 221 meshed with the first reduction gear 215 is arranged on a connecting shaft on one side, close to the third mounting plate 113, of the second digital disc 222, a second driven gear 223 is arranged on a connecting shaft on one side, close to the second mounting plate 112, of the second digital disc 222, a second switching shaft penetrates through the second mounting plate 112, a second switching gear 224 meshed with the second driven gear 223 is arranged at one end, close to the second digital disc 222, of the second switching shaft, and a second reduction gear 225 is arranged at the other end of the second switching shaft.
Furthermore, a third driving gear 231 engaged with the second reduction gear 225 is arranged on the connecting shaft of the third digital disc 232 close to the second mounting plate 112.
Furthermore, the power module 4 is connected to the first driving gear 211 and can drive the first driving gear 211 to rotate, so as to drive the first number disc 212 to rotate, the first number disc 212 rotates to drive the second number disc 222 to rotate, the second number disc 222 rotates to drive the third number disc 232 to rotate, it should be noted that 0-9 ten numbers are circumferentially arranged on the three number discs, and the number discs are circumferentially divided into ten parts, and the transmission ratio of the first number disc 212, the second number disc 222 and the third number disc 232 is 100:10:1, when the first number disc 212 rotates for 360 degrees for one turn, the second number disc 222 rotates for 36 degrees, and when the second number disc 222 rotates for 360 degrees for one turn, the third number disc 232 rotates for 36 degrees, this design manner of the number type greatly improves the reading accuracy, and under the premise of ensuring the reading accuracy, the measuring range of the roof separation sensor is greatly increased.
Furthermore, a reading window is arranged on the front plate 12, the digital code disc is arranged close to the reading window of the front plate 12 and extends out of the front plate 12, reading work of the digital code disc can be carried out through the reading window, and the reading accuracy is further guaranteed.
In this embodiment, referring to fig. 5 and fig. 6, the sensing module 3 includes a screw rod 32, two ends of the screw rod 32 are rotatably connected to the fourth mounting plate 114 and the fixing plate 115, respectively, and one end connected to the fixing plate 115 is provided with an adjusting gear 31 penetrating through the fixing plate 115, a nut 33 is screwed on a portion of the screw rod 32 located between the fixing plate 115 and the fourth mounting plate 114, the nut 33 is provided with a sliding hole, a sliding rod 36 is fixedly provided between the fourth mounting plate 114 in front of the screw rod 32 and the fixing plate 115, the sliding rod 36 is parallel to the screw rod 32, the sliding rod 36 penetrates through the sliding hole, the adjusting gear 31 is connected to the power module 4, the power module 4 can drive the adjusting gear 31 to rotate, and further drive the screw rod 32 to rotate, the screw rod 33 is displaced along the screw rod 32 under the action of the sliding rod 36, so that a stable relationship can be maintained between a rotation amount of the adjusting gear 31 and a displacement amount of the nut 33, and further ensure the accuracy of data transmission.
Further, the lead screw 32 is located the front side between fixed plate 115 and the fourth connecting plate, the rear side that fixed plate 115 is close to fourth connecting plate one side still is equipped with mount table 34, sensing module 3 still includes cantilever beam 35, cantilever beam 35 one end and mount table 34 fixed connection, the other end contacts near fourth mounting panel 114 one side with screw 33, can push up tight cantilever beam 35 and make it produce deformation through the displacement of screw 33, and mount table 34 and lead screw 32 are located the mode of setting of both sides around respectively, have guaranteed that cantilever beam 35 has great deformation volume, and simultaneously, set up the convenience of conveniently arranging cantilever beam 35 on the one hand like this, simultaneously can be more convenient when connecting fiber grating and cantilever beam 35 and arranging fiber grating.
As preferred, nut 33 includes the main part of cylindricality structure, and through main part and lead screw 32 threaded connection, the outside extension of outer lane that nut 33 is close to fixed plate 115 one side is equipped with the tight portion in top, cantilever beam 35's expansion end supports on the terminal surface that fixed plate 115 was kept away from in the tight portion in top to can be along with nut 33's axial displacement, slide on the tight portion terminal surface in top, nut 33 passes through the main part and is connected with lead screw 32, has guaranteed the joint strength of nut 33 and lead screw 32, and then has guaranteed that nut 33 has accurate displacement volume under lead screw 32 drives, and the setting of the tight portion in top has simultaneously guaranteed that cantilever beam 35 when taking place great deformation, its one end of contradicting with nut 33 can contact with nut 33 all the time.
Furthermore, one end of the fiber grating is connected with the cantilever beam 35, the other end of the fiber grating is connected to a remote host, the cantilever beam 35 is in bending deformation under the action of the screw 33, deformation information can be transmitted to the remote host through the fiber grating, remote monitoring of roof separation state information is achieved, underground work can be safely carried out, and the screw 33 moves the mode of jacking the cantilever beam 35, compared with the mode of jacking the cantilever beam 35 through rotation of a cam, transmission is more accurate, the deformation amount of the cantilever beam 35 and the displacement amount of the screw 33 can keep a linear relation, accuracy of data transmission is guaranteed, and real-time prediction of the roof separation state can be carried out according to transmitted data.
It should be noted that, the central line of the cantilever beam 35 passes through the axis of the screw rod 32 and is perpendicular to the axis of the screw rod 32, so that when the screw nut 33 moves along the axial direction of the screw rod 32, a stable abutting relationship exists between the screw nut 33 and the cantilever beam 35, and a stable linear relationship exists between the displacement of the screw nut 33 and the deformation of the cantilever beam 35, meanwhile, the cantilever beam 35 is provided with an arc-shaped contact at the end contacting the tightening part, and the arc-shaped top end of the contact abuts against the tightening part, so as to prevent the outer ring of the tightening part from acting on the cantilever beam 35 and affecting the deformation effect of the cantilever beam 35.
In this embodiment, the transmission module is connected to the digital display module 2 through the transmission part 5, the transmission part 5 includes a transmission wheel shaft 52, two ends of the transmission wheel shaft 52 are rotatably connected to the fourth mounting plate 114 and the fixing plate 115, an auxiliary transmission gear 53 engaged with the first driving gear 211 is disposed near one end of the fourth mounting plate 114, one end connected to the fixing plate 115 passes through the fixing plate 115 and is provided with a main transmission gear 51, so that the main transmission gear 51 and the adjusting gear 31 can be simultaneously located on one side of the fixing plate 115, and the power module 4 can transmit power to the digital display module 2 and the sensing module 3 simultaneously.
In this embodiment, referring to fig. 7, 8 and 9, the power module 4 includes a driving assembly 41 and an intermediate gear 42, and the driving assembly 41 moves to drive the intermediate gear 42 to rotate and transmit power to the digital display module 2 and the sensing module 3 through the intermediate gear 42.
Further, drive assembly 41 includes splint 414, splint 414 is vertical to be located between fixed plate 115 and the regulating plate 116 and is close to fixed plate 115 and arranges, fixed plate 115 middle part is equipped with the opening, is equipped with bearing 415 in the opening and is connected with fifth wheel 413 through bearing 415, just fifth wheel 413 is located splint 414 and keeps away from fixed plate 115 one side, bearing 415 keeps away from fifth wheel 413 one end and is equipped with intermediate gear 42, intermediate gear 42 and adjusting gear 31, the meshing of final drive gear 51, through connecting gear revolve, can drive intermediate gear 42 under bearing 415 effect and rotate, and then drive digital display module 2 and sensing module 3 work.
Further, the driving assembly 41 further comprises a rotating driving wheel 411, the rotating driving wheel 411 is rotatably arranged between the clamping plate 414 and the adjusting plate 116 through a connecting shaft, a wheel groove is formed in the middle of the outer ring of the rotating driving wheel 411, a steel wire rope is wound in the wheel groove, the rotating driving wheel 411 is in transmission connection with the digital display module 2 and the sensing module 3 through a connecting wheel 413, the rotating driving wheel 411 is connected with the connecting wheel 413 through a limiting component, and the rotating driving wheel 411 and the connecting wheel 413 can be fixedly rotated mutually through the limiting component.
Particularly, spacing part includes spacing platform, rotation drive wheel 411 passes through the connecting axle and rotates drive wheel 411 axis direction sliding connection along rotation drive wheel 411 with body frame 1, spacing platform is located the fifth wheel 413 and is close to rotation drive wheel 411 one side, rotation drive wheel 411 is close to fifth wheel 413 one side and is equipped with the spacing mouth of a plurality of, spacing platform can stretch into or break away from spacing mouth under the sliding action that rotates drive wheel 411, designs like this, makes when carrying out initial wire winding during operation, rotates drive wheel 411 and can break away from fifth wheel 413 and rotate alone, cooperates with fifth wheel 413 again after the wire winding is accomplished, makes the device use more convenient and fast, and it is fixed that the fluke is passed through to wire rope in the outer end of wire rope, feeds back the roof off-layer state to rotation drive wheel 411 on, and then the pulling rotates drive wheel 411 and rotate.
Further, the connecting axle that rotates the drive gyro wheel is close to regulating plate 116 one end and runs through to the regulating plate 116 outside, and is connected with rocking handle 412, rocking handle 412 is connected with the connecting axle that rotates drive wheel 411 and can drives and rotate drive wheel 411, accomplishes wire winding work, makes the device use more convenient, simultaneously it is connected through clockwork spring rotation to rotate drive wheel 411 and body frame 1, it can forward rotate and drive digital display module 2, sensing module 3 work under the wire rope effect to rotate drive wheel 411, and can be under clockwork spring effect antiport, makes rotation drive wheel 411 have the automatic re-setting function, has increased the practicality of device.
Further, in order to ensure that the wire outlet direction of the steel wire rope is fixed and prevent the steel wire rope from being separated from the rotating driving wheel 411, an auxiliary wire wheel 43 is rotatably arranged on the outer side of the rotating driving wheel 411.
In this embodiment, the top plate separation layer sensors are used in pairs, a housing is provided outside the top plate separation layer sensors, and the two top plate separation layer sensors are respectively used for detecting separation layer state information of a deep base point and a shallow base point.
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 additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A mechanical digital disc type roof separation sensor is characterized by comprising a main frame (1), wherein a power module (4), a digital display module (2) and a sensing module (3) are arranged on the main frame (1);
the power module (4) comprises a rotating driving wheel (411), the digital display module (2) comprises a plurality of digital code disks, the digital code disks are sequentially in transmission connection with each other according to a preset transmission ratio, one of the digital code disks can be driven to rotate by rotating the driving wheel (411), and then the other digital code disks are driven to accelerate or decelerate to rotate according to the preset transmission ratio;
the sensing module (3) comprises a lead screw (32), a nut (33) and a cantilever beam (35), the lead screw (32) is rotatably connected with the main frame (1) and is in transmission connection with a rotating driving wheel (411), the lead screw (32) is spirally connected with the nut (33), the nut (33) is connected with the main frame (1) through a limiting device and can limit the rotation of the nut (33) through the limiting device, one end of the cantilever beam (35) is connected with the main frame (1), the other end of the cantilever beam is abutted against the outer end face of the nut (33), an optical fiber grating is arranged on the cantilever beam, the optical fiber grating penetrates through the main frame and is connected with a remote host, the rotating driving wheel (411) rotates to drive the lead screw (32) to rotate, and then drives the nut (33) to move axially along the lead screw (32), the displacement change of the nut (33) can drive the cantilever beam (35) to generate bending deformation, and the deformation information is transmitted to the remote host through the fiber bragg grating.
2. The mechanical digital disc type roof plate separation sensor as claimed in claim 1, wherein the main frame comprises a fixing plate (115), the fixing plate (115) is located between the power module (4) and the digital display module (2), the screw rod (32) is rotatably arranged on one side of the fixing plate (115), the cantilever beam (35) is fixedly connected with one side of the fixing plate (115) far away from the screw rod (32), and the other end of the cantilever beam movably abuts against the outer end face of the screw nut (33).
3. The mechanical digital disc type roof separation sensor according to claim 2, wherein a window is arranged at the front end of the main frame (1), and the screw rod (32) is arranged on one side of the fixing plate (115) close to the window.
4. The mechanical digital disc type roof plate separation sensor according to claim 2, wherein the nut (33) comprises a main body with a cylindrical structure, and is in threaded connection with the screw rod (32) through the main body, an abutting part is extended outwards from an outer ring of one end of the nut (33) close to the fixed plate (115), and a movable end of the cantilever beam (35) abuts against an end face of the abutting part and can slide on the end face of the abutting part along with axial movement of the nut (33).
5. The mechanical digital disc type roof plate separation sensor as claimed in claim 4, wherein a slide hole is further formed on the tightening part, the limiting device comprises a slide rod (36), the slide rod (36) is connected with the fixing plate (115) and parallel to the arrangement direction of the screw rod (32), and the slide rod passes through the slide hole and is slidably connected with the slide hole.
6. A mechanical digital disc type roof plate delamination sensor according to claim 5, characterized in that the centre line of the cantilever beam (35) passes through the axis of the screw rod (32) and is perpendicular to the axis of the screw rod (32).
7. The mechanical digital disc type roof plate delamination sensor as recited in claim 6, wherein an arc-shaped contact is arranged at one end of the cantilever beam (35) contacting with the abutting portion, and the arc-shaped top end of the contact is abutted against the abutting portion.
8. The mechanical digital disc type roof plate separation sensor as claimed in claim 1, wherein the digital discs comprise a first digital disc (212), a second digital disc (222) and a third digital disc (232) which are sequentially in gear connection, the rotary driving wheel (411) is in gear connection with the first digital disc (212), and the transmission ratio of the first digital disc (212), the second digital disc (222) and the third digital disc (232) is 100:10: 1.
9. The mechanical digital disc type roof separation sensor as claimed in claim 1, wherein the rotary driving wheel (411) is in transmission connection with the digital display module (2) and the sensing module (3) through a connecting wheel (413), the rotary driving wheel (411) is connected with the connecting wheel (413) through a limiting component, and the mutual rotation of the rotary driving wheel (411) and the connecting wheel (413) can be fixed through the limiting component.
10. A mechanical digital disc roof plate delamination sensor according to claim 1, characterised in that the rotating driving wheel (411) is rotatably connected to the main frame (1) by a clockwork spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210439365.9A CN114812423A (en) | 2022-04-25 | 2022-04-25 | Mechanical digital disc type roof separation layer sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210439365.9A CN114812423A (en) | 2022-04-25 | 2022-04-25 | Mechanical digital disc type roof separation layer sensor |
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