CN116025371A - Small-section rapid tunneling machine for rock roadway - Google Patents
Small-section rapid tunneling machine for rock roadway Download PDFInfo
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- CN116025371A CN116025371A CN202310167284.2A CN202310167284A CN116025371A CN 116025371 A CN116025371 A CN 116025371A CN 202310167284 A CN202310167284 A CN 202310167284A CN 116025371 A CN116025371 A CN 116025371A
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Abstract
The invention relates to the technical field of underground tunneling equipment and discloses a rock roadway small-section rapid tunneling machine which comprises a cutting part, a shovel plate part, a body part and a traveling part, wherein a rotary table and a straightening mechanism are arranged between the cutting part and the body part, the cutting part comprises a fixed seat, a driving mechanism, an elastic coupling, a speed regulator and a cutting head, and the straightening mechanism comprises an angle adjusting unit and a position adjusting unit. According to the invention, the angle adjusting unit drives the fixed seat to rotate in the opposite direction to the circumferential movement direction of the rotary table, the cutting part and the tunneling surface are kept vertical, the maximum crushing force of the cutting part is kept in a vertical state, then the position adjusting unit drives the angle adjusting unit and the cutting part to translate, and the distance difference between the cutting part and the tunneling surface is compensated, so that the aligning efficiency is improved, and the tunneling efficiency of the whole rock roadway small-section rapid tunneling machine can be effectively improved.
Description
Technical Field
The invention relates to the technical field of underground tunneling equipment, in particular to a rock roadway small-section rapid tunneling machine.
Background
In the coal mine production process, tunneling and stoping are important production links of coal mine production, and rapid tunneling of coal mine tunnels is a key technical measure for ensuring high and stable production of the coal mine. Mining technology and its equipment level are directly related to the capacity and safety of coal mine production. The high-efficiency mechanical tunneling and supporting technology is a necessary condition for ensuring the high yield and high efficiency of the mine, and is also the development direction of the tunneling technology. With the development of fully mechanized mining technology, the annual production of several hundred megatons and even ten millions of tons of super working surfaces are developed in China, so that the number of annual consumption stoping roadways is greatly increased, and the roadway tunneling becomes a common and key technology for efficient intensive production of coal mines. Wherein, the rock roadway refers to a roadway with the rock area accounting for all or most (generally more than 4/5) of the tunneling section;
in the rock roadway tunneling process, the cantilever type tunneling machine is widely applied, the existing cantilever type tunneling machine is generally composed of a cutting part, a shovel plate part, a body part, a walking part and the like, wherein the cutting part and the shovel plate part are the most important parts in the rock roadway tunneling process, the existing tunneling machine is required to drive the whole rock roadway small-section rapid tunneling machine to move to a position to be constructed (or to be mined), after the cutting head of the cutting part collects the crushed rock and soil, the existing tunneling machine is required to move the whole tunneling machine and the cutting head to the next position through the movement of the walking part, so that the movement of the cutting head is required to drive the whole tunneling machine, a large amount of working time is delayed, and when the angle deflection of the cutting head and the tunneling surface is large, the cutting head is forced to deflect, so that the tunneling working hour of the tunneling machine is delayed on unnecessary angle adjustment and movement, and the tunneling efficiency of the existing tunneling machine is not high.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the following technical scheme:
the utility model provides a small section rapid entry driving machine of rock roadway, includes cutting part, shovel board portion, body portion and running gear, cutting part with shovel board portion is all installed the removal front end of body portion, running gear is used for driving the removal of body portion, cutting part with be provided with revolving platform and correction mechanism between the body portion, cutting part with pass through between the revolving platform correction mechanism is connected, the revolving platform is through the drive correction mechanism removes the drive cutting part circumference and removes, correction mechanism is used for keeping the perpendicular between cutting part and the entry driving face; the cutting part comprises a fixed seat, a driving mechanism, an elastic coupling, a speed regulator and a cutting head, wherein the driving mechanism is fixed on the fixed seat, the cutting part is connected with the straightening mechanism through the fixed seat, the driving mechanism outputs power to the input end of the speed regulator through the elastic coupling, the output end of the speed regulator is connected with the tail part of the cutting head, and the driving mechanism outputs tunneling power to the cutting head through the elastic coupling and the speed regulator; the correcting mechanism comprises an angle adjusting unit and a position adjusting unit, wherein the position adjusting unit is connected with the rotary table, the angle adjusting unit is connected with the fixing seat, when the rotary table drives the cutting part to move circumferentially, the correcting mechanism and the cutting part are subjected to integral angle adjustment, the angle adjusting unit drives the fixing seat to rotate in the opposite direction to the circumferential movement direction of the rotary table, the cutting part and the tunneling surface are kept vertical, and the position adjusting unit drives the angle adjusting unit and the cutting part to translate to compensate the distance difference between the cutting part and the tunneling surface.
Preferably, the rotary table comprises a fixed table and a circumferential driving mechanism, the position adjusting unit is rotationally connected with the fixed table, and the circumferential driving mechanism is in power connection with the position adjusting unit; the circumferential driving mechanism can drive the whole correcting mechanism and the cutting part to move circumferentially under the support of the fixed table by driving the position adjusting unit.
Preferably, a driven fluted disc is fixed at the bottom of the position adjusting unit, and the rotation of the driven fluted disc can drive the whole position adjusting unit to rotate; the driven fluted disc is meshed with the circumferential driving gear and the circumferential stabilizing gear simultaneously; the circumferential driving motor outputs power to the circumferential driving gear through belt transmission, and the driven fluted disc rotates under the driving action of the circumferential driving gear and the stabilizing action of the circumferential stabilizing gear.
Preferably, the position adjustment unit includes a rail plate and a mounting platform, the mounting platform being slidable on a surface of the rail plate; the top of the track plate is provided with a driving groove and a track groove, a driving screw is installed in the driving groove, and a translation driving motor is arranged on one side of the driving screw; the mounting platform bottom is provided with drive connecting block and spacing connecting block, drive connecting block with agree with between the drive groove, spacing connecting block with agree with between the track groove.
Preferably, the driving connecting block is provided with a threaded hole, and the driving connecting block is in threaded connection with the driving screw rod through the threaded hole; and the translation driving motor drives the driving screw to rotate and drives the driving connecting block to translate together with the whole mounting platform.
Preferably, the angle adjusting unit is arranged at the top of the mounting platform and comprises an angle driving motor, an angle transmission assembly, an angle adjusting gear and an angle adjusting half fluted disc; the angle driving motor outputs power to the angle adjusting gear through the angle transmission assembly, the angle adjusting gear is meshed with the angle adjusting half-fluted disc, and the angle driving motor controls the rotation of the angle adjusting half-fluted disc.
Preferably, the angle transmission assembly comprises a driving wheel disc and a driven wheel disc, and the driving wheel disc and the driven wheel disc are transmitted through a chain; the driving wheel disc is fixed with the output shaft of the angle driving motor, and the driven wheel disc is coaxially fixed with the angle adjusting gear; the angle adjusting half fluted disc is fixedly connected with the fixing seat through bolts, and the angle driving motor can drive the angle adjusting half fluted disc to drive the fixing seat to adjust the angle through the transmission of the angle transmission assembly and the angle adjusting gear.
Preferably, the cutting head is divided into a top surface section and a side surface section, the surface of the side surface section is spirally provided with a guide plate, the top surface section and the side surface section are provided with a plurality of cutting teeth, the cutting teeth of the top surface section are spirally arranged to form a top surface cutting tooth group, the cutting teeth of the side surface section are spirally arranged to form a side surface cutting tooth group, the spiral pitch of the side surface cutting tooth group is consistent with the spiral pitch of the guide plate, the cutting teeth of each side surface cutting tooth group are equal in shortest distance from the guide plate, and the spiral pitch of the top surface cutting tooth group is smaller than the spiral pitch of the side surface cutting tooth group.
Preferably, the elastic coupling comprises a buffer part and an active telescopic part, the buffer part is used for buffering tunneling reaction force of the cutting part, and the active telescopic part can drive the cutting head to stretch and retract while the cutting head rotates.
Compared with the prior art, the invention provides a rock roadway small-section rapid heading machine, which comprises the following components
The beneficial effects are that:
1. according to the small-section rapid tunneling machine for the rock roadway, after the rock and soil which can be influenced by the current cutting head is crushed, the cutting part is driven to move circumferentially through the rotary table, the whole angle of the correcting mechanism and the cutting part is adjusted, the angle adjusting unit drives the fixing seat to rotate in the opposite direction to the circumferential moving direction of the rotary table, the cutting part and the tunneling surface are kept perpendicular, the position adjusting unit is then driven to translate through the angle adjusting unit and the cutting part, the distance difference between the cutting head and the tunneling surface is compensated, so that when the cutting part moves circumferentially through the rotary table to adjust the position to crush the follow-up rock and soil, the cutting part and the tunneling surface can be kept perpendicular through the rotation of the angle adjusting unit, so that the rock and soil of the tunneling surface can be fully and effectively forced in the perpendicular state, the maximum crushing force of the cutting head can be kept through the perpendicular state, and the rock and soil of the tunneling surface can be crushed rapidly, and the crushing speed of the cutting part is improved, and the tunneling efficiency of the small-section rapid tunneling machine for the whole rock and roadway is improved.
2. This kind of small section rapid entry driving machine of rock drifts drives the translation of cutting part through position adjustment unit drive angle adjustment unit indirectly, after the cutting head passes through revolving platform adjustment position, keep invariable relatively with the distance between cutting head and the entry face (when not tunneling) to reduce the removal of the whole small section rapid entry driving machine of rock drifts of body drive, can drive the cutting head fast and get back to the interval of entry face when not tunneling as soon as possible through the removal of small range when reducing the power consumption, with improvement correction efficiency, and then can improve the entry efficiency of the small section rapid entry driving machine of whole rock drifts effectively.
3. The small-section rapid tunneling machine for the rock roadway is characterized in that the stress of the top surface section is larger, the spiral pitch of the top surface cutting tooth group is smaller than that of the side surface cutting tooth group, so that the cutting teeth of the top surface cutting tooth group are more in number at the same distance, the cutting teeth of the top surface cutting tooth group are also denser, so that the force application and bearing capacity of the top surface section of the cutting head can be effectively improved through denser arrangement of the cutting teeth, the rock and soil crushing capacity of the cutting head can be effectively ensured, the tunneling efficiency of the cutting head can be effectively ensured, the crushed rock and soil can be effectively discharged through the width change of the cutting head, and the guiding out of the crushed rock and soil in front of the cutting head can be ensured through the spiral of the guide plate, so that the force application object of the cutting head is the surface can be ensured, the force application efficiency of the cutting head is ensured, and the tunneling efficiency of the cutting head is improved.
Drawings
FIG. 1 is a schematic structural view of a rock roadway small section rapid heading machine of the invention;
FIG. 2 is a schematic view of the cutting part, turret and centering mechanism of the present invention;
FIG. 3 is a schematic perspective view of the cutting part, turret and centering mechanism of the present invention;
FIG. 4 is a schematic view of the assembled structure of the cutting part, turret and centering mechanism of the present invention;
FIG. 5 is a schematic perspective view of a turntable and a part of a position adjusting unit according to the present invention;
FIG. 6 is a schematic perspective view of a part of the position adjusting unit according to the present invention;
FIG. 7 is a schematic perspective view of another part of the position adjusting unit and the angle adjusting unit according to the present invention;
FIG. 8 is a schematic perspective view of an angle adjusting unit according to the present invention;
FIG. 9 is a schematic diagram of a driving structure of the angle adjusting unit of the present invention;
FIG. 10 is a schematic perspective view of a cutting portion of the present invention;
fig. 11 is a schematic front view of the cutting part of the present invention.
In the figure: 1. a cutting section; 2. a rotary table; 21. a fixed table; 22. a circumferential drive mechanism; 221. a circumferential drive motor; 222. a circumferential drive gear; 223. a circumferential stabilizing gear; 3. a centering mechanism; 31. an angle adjustment unit; 311. an angle driving motor; 312. an angle drive assembly; 3121. a driving wheel disc; 3122. a driven wheel disc; 313. an angle adjusting gear; 314. angle adjusting semi-fluted disc; 32. a position adjustment unit; 321. a driven fluted disc; 322. a track plate; 3221. a driving groove; 3222. a track groove; 3223. driving a screw; 3224. a translation driving motor; 323. a mounting platform; 3231. driving the connecting block; 3232. a limit connecting block; 4. a fixing seat; 5. a driving mechanism; 6. an elastic coupling; 61. a buffer section; 62. an active telescopic part; 7. a speed governor; 8. a cutting head; 81. a deflector; 82. a top cutting tooth set; 83. side cutting tooth sets.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the prior art has the defects, and in order to solve the technical problems, the application provides a rock roadway small-section rapid heading machine.
Referring to fig. 1-11, a rock roadway small-section rapid tunneling machine comprises a cutting part 1, a shovel plate part, a body part and a traveling part, wherein the cutting part 1 and the shovel plate part are both arranged at the moving front end of the body part, the traveling part is used for driving the body part to move, a rotary table 2 and a straightening mechanism 3 are arranged between the cutting part 1 and the body part, the cutting part 1 is connected with the rotary table 2 through the straightening mechanism 3, the rotary table 2 drives the cutting part 1 to move circumferentially through driving the straightening mechanism 3, and the straightening mechanism 3 is used for keeping the cutting part 1 perpendicular to a tunneling surface; the cutting part 1 comprises a fixed seat 4, a driving mechanism 5, an elastic coupling 6, a speed regulator 7 and a cutting head 8, wherein the driving mechanism 5 is fixed on the fixed seat 4, the cutting part 1 is connected with the straightening mechanism 3 through the fixed seat 4, the driving mechanism 5 outputs power to the input end of the speed regulator 7 through the elastic coupling 6, the output end of the speed regulator 7 is connected with the tail of the cutting head 8, and the driving mechanism 5 outputs tunneling power to the cutting head 8 through the elastic coupling 6 and the speed regulator 7; the centering mechanism 3 comprises an angle adjusting unit 31 and a position adjusting unit 32, the position adjusting unit 32 is connected with the rotary table 2, the angle adjusting unit 31 is connected with the fixed seat 4, when the rotary table 2 drives the cutting part 1 to move circumferentially, the centering mechanism 3 and the cutting part 1 are subjected to integral angle adjustment, the angle adjusting unit 31 drives the fixed seat 4 to rotate in the opposite direction to the circumferential movement direction of the rotary table 2, the cutting part 1 and a tunneling surface are kept vertical, and the position adjusting unit 32 drives the angle adjusting unit 31 and the cutting part 1 to translate to compensate the distance difference between the cutting head 8 and the tunneling surface.
When the small-section rapid tunneling machine is used, firstly, the whole small-section rapid tunneling machine is driven to move to a position to be constructed (or to be mined), when the cutting part 1 works, the shovel part synchronously works to collect rock soil or raw coal (the rock soil can represent the rock soil or the raw coal) generated by the tunneling of the cutting part 1 and output the collected rock soil or the raw coal, in the tunneling process of the small-section rapid tunneling machine, the driving mechanism 5 outputs power to the input end of the speed regulator 7 through the elastic coupling 6, the output end of the speed regulator 7 is connected with the tail of the cutting head 8, the driving mechanism 5 outputs tunneling power to the cutting head 8 through the elastic coupling 6 and the speed regulator 7, the rock soil influenced by the cutting head 8 is crushed, and after the acquisition of the rock soil crushed by the current cutting head 8 is completed, compared with the current heading machine which needs to move the whole heading machine and the cutting head 8 to the next position through the movement of a travelling part, or the inclined cutting head 8 is used for crushing rock through the side of the cutting head 8, the small-section rapid heading machine for the rock roadway can firstly drive the cutting part 1 to move circumferentially through the rotary table 2 after the completion of the rock crushing which can be influenced by the current cutting head 8, carry out integral angle adjustment on the straightening mechanism 3 and the cutting part 1, drive the fixed seat 4 to rotate in the opposite direction of the circumferential movement of the rotary table 2, keep the cutting part 1 and the heading face vertical, then drive the angle adjustment unit 31 and the cutting part 1 to translate, compensate the distance difference between the cutting head 8 and the heading face, so that when the cutting part 1 carries out position adjustment through the circumferential movement of the rotary table 2 to crush the subsequent rock, the angle adjusting unit 31 can be rotated to keep the cutting part 1 perpendicular to the tunneling surface, so that the rock and soil of the tunneling surface can be fully and effectively forced in a perpendicular state, the maximum breaking force of the cutting head 8 can be kept in a perpendicular state, and then the rock and soil of the tunneling surface can be quickly broken, so that the breaking speed of the cutting part 1 is improved, the angle adjusting unit 31 is driven by the position adjusting unit 32 to indirectly drive the cutting part 1 to translate, after the cutting head 8 is adjusted in position by the rotary table 2, the distance between the cutting head 8 and the tunneling surface (when the tunneling is not performed) is kept relatively constant, so that the movement of the whole rock tunnel small-section rapid tunneling machine driven by the body part can be reduced, the energy consumption can be reduced, the distance between the cutting head 8 and the tunneling surface when the tunneling surface is not performed can be quickly driven to return to the tunneling state, the aligning efficiency can be improved, and the tunneling efficiency of the whole rock tunnel small-section rapid tunneling machine can be effectively improved.
Further, referring to fig. 3 to 5, the turntable 2 includes a fixed table 21 and a circumferential driving mechanism 22, the position adjusting unit 32 is rotatably connected to the fixed table 21, and the circumferential driving mechanism 22 is in power connection with the position adjusting unit 32; the circumferential driving mechanism 22 can drive the entire centering mechanism 3 and the cutting unit 1 to move circumferentially with the support of the fixed table 21 by driving the position adjusting unit 32.
The bottom of the position adjusting unit 32 is fixed with a driven fluted disc 321, and the rotation of the driven fluted disc 321 can drive the whole position adjusting unit 32 to rotate; the circumferential driving mechanism 22 includes a circumferential driving motor 221, a circumferential driving gear 222, and a circumferential stabilizing gear 223, and the driven gear disc 321 is simultaneously meshed with the circumferential driving gear 222 and the circumferential stabilizing gear 223; the circumferential driving motor 221 outputs power to the circumferential driving gear 222 through belt transmission, and the driven gear plate 321 rotates by the driving action of the circumferential driving gear 222 and the stabilizing action of the circumferential stabilizing gear 223.
Thus, in use, the implementation manner of the rotary table 2 driving the circumferential movement of the cutting part 1 is as follows: through circumference driving motor 221 at first through belt drive to circumference driving gear 222 output power, circumference driving gear 222 rotation drive driven fluted disc 321 rotates under circumference stabilizing gear 223's stabilization effect, because driven fluted disc 321 is fixed with position adjustment unit 32 for can drive position adjustment unit 32 and even whole cutting part 1 carry out angular adjustment (circumference removal) through circumference driving motor 221, thereby can carry out the circumference removal function of revolving stage 2.
Further, referring to fig. 6 to 7, the position adjustment unit 32 includes a rail plate 322 and a mounting platform 323, the mounting platform 323 being capable of sliding on the surface of the rail plate 322; the top of the track plate 322 is provided with a driving groove 3221 and a track groove 3222, a driving screw rod 3223 is arranged in the driving groove 3221, and a translation driving motor 3224 is arranged on one side of the driving screw rod 3223; the mounting platform 323 bottom is provided with drive connecting block 3231 and spacing connecting block 3232, agrees with between drive connecting block 3231 and the drive groove 3221, agrees with between spacing connecting block 3232 and the track groove 3222.
The driving connecting block 3231 is provided with a threaded hole, and the driving connecting block 3231 is in threaded connection with the driving screw 3223 through the threaded hole; the translation drive motor 3224 rotates through the drive screw 3223, driving the drive connection block 3231 to translate along with the entire mounting platform 323.
When the cutter is used, the output shaft of the translation driving motor 3224 is fixed with the driving screw 3223, so that the translation driving motor 3224 can drive the driving screw 3223 to rotate, then the driving connecting block 3231 is connected with the driving screw 3223 through threads, the track plate 322 fixed by the driving connecting block 3231 is driven to move under the limit of the driving connecting block 3231 and the driving groove 3221 and the limit of the limit connecting block 3232 and the track groove 3222, the angle adjusting unit 31 and other parts of the cutting part 1 connected with the angle adjusting unit can be driven by the translation driving motor 3224 to translate, and therefore the distance between the cutting head 8 and a tunneling surface (when the tunneling surface is not tunneling) can be kept constant relatively after the cutting head 8 is adjusted by the rotary table 2, the movement of the whole small-section rapid tunneling machine driven by the body part can be reduced, the distance between the cutting head 8 and the surface when the tunneling surface is not tunneling can be quickly restored, the tunneling efficiency of the whole small-section rapid tunneling machine can be effectively improved.
Further, referring to fig. 7 to 9, the angle adjusting unit 31 is disposed on top of the mounting platform 323, and the angle adjusting unit 31 includes an angle driving motor 311, an angle driving assembly 312, an angle adjusting gear 313 and an angle adjusting half-toothed disc 314; the angle driving motor 311 outputs power to the angle adjusting gear 313 through the angle transmission assembly 312, the angle adjusting gear 313 is meshed with the angle adjusting half-fluted disc 314, and the angle driving motor 311 controls rotation of the angle adjusting half-fluted disc 314.
The angle transmission assembly 312 comprises a driving wheel disc 3121 and a driven wheel disc 3122, wherein the driving wheel disc 3121 and the driven wheel disc 3122 are transmitted through a chain; the driving wheel disc 3121 is fixed with the output shaft of the angle driving motor 311, and the driven wheel disc 3122 is coaxially fixed with the angle adjusting gear 313; the angle adjustment half-fluted disc 314 is fixedly connected with the fixed seat 4 through bolts, and the angle driving motor 311 can drive the angle adjustment half-fluted disc 314 to drive the fixed seat 4 to adjust the angle through the transmission of the angle transmission assembly 312 and the angle adjustment gear 313.
When the angle driving device is used, the output shaft of the angle driving motor 311 is fixed with the driving wheel disc 3121, so that the power output by the angle driving motor 311 is transmitted to the driven wheel disc 3122 through the chain transmission between the driving wheel disc 3121 and the driven wheel disc 3122, the rotation of the driven wheel disc 3122 is coaxially fixed with the angle adjusting gear 313, the angle adjusting gear 313 is driven to rotate, and then the fixed seat 4 fixed by the angle adjusting half-fluted disc 314 and the rest cutting part 1 are driven to perform angle adjustment through the meshing of the angle adjusting gear 313 and the angle adjusting half-fluted disc 314, and the adjusted angle is completely opposite to the circumferential movement of the rotary table 2 and the adjusted angle is equal to the adjusted angle, so that the cutting part 1 can be used for correcting the cutting head 8 back to the vertical direction between the tunneling surfaces through the angle adjusting unit 31, the rock and the tunneling surface can be sufficiently and effectively forced through the vertical state, the maximum crushing force of the cutting head 8 can be kept through the vertical state, the rock and the tunneling surface can be crushed rapidly, and the crushing speed of the cutting part 1 can be increased, and the efficiency of the whole small-section tunneling machine can be improved.
Further, referring to fig. 10-11, the cutting head 8 is divided into a top surface section and a side surface section, the surface of the side surface section is spirally provided with a guide plate 81, the top surface section and the side surface section are provided with a plurality of cutting teeth, the plurality of cutting teeth of the top surface section are spirally arranged to form a top surface cutting tooth group 82, the plurality of cutting teeth of the side surface section are spirally arranged to form a side surface cutting tooth group 83, the spiral pitch of the side surface cutting tooth group 83 is consistent with the spiral pitch of the guide plate 81, the shortest distance between the cutting teeth of each side surface cutting tooth group 83 and the guide plate 81 is equal, and the spiral pitch of the top surface cutting tooth group 82 is smaller than the spiral pitch of the side surface cutting tooth group 83.
When the cutter head is used, the stress of the top surface section is larger, and the spiral pitch of the top surface cutting tooth group 82 is smaller than that of the side cutting tooth group 83, so that the number of cutting teeth of the top surface cutting tooth group 82 is more at the same distance, the cutting teeth of the top surface cutting tooth group 82 are also denser, so that the force application and bearing capacity of the top surface section of the cutter head 8 can be effectively improved through denser arrangement of the cutting teeth, the rock and soil crushing capacity of the cutter head 8 can be effectively ensured, the tunneling efficiency of the tunneling broken rock and soil can be effectively discharged through the width change of the cutter head 8 and the spiral of the guide plate 81, the broken rock and soil in front of the cutter head 8 can be ensured to ensure that the force application object of the cutter head 8 is a surface, the force application efficiency of the cutter head 8 is ensured, and the tunneling efficiency of the cutter head 8 is improved.
Further, referring to fig. 2-3, the elastic coupling 6 includes a buffer portion 61 and an active telescopic portion 62, the buffer portion 61 is used for buffering a tunneling reaction force of the cutting portion 1, and the active telescopic portion 62 can drive the cutting head 8 to stretch and retract while the cutting head 8 rotates.
So that can be when using, through the tunnelling reaction force of buffer portion 61 buffering cutting portion 1 to initiative telescopic portion 62 can drive cutting head 8 and stretch out and draw back when cutting head 8 is rotatory, in order to improve cutting head 8's impact force through stretching out and draw back, also can improve cutting head 8 and lead out the efficiency of broken ground, in order to guarantee cutting head 8's tunnelling efficiency effectively.
Working principle:
when the small-section rapid tunneling machine is used, firstly, the whole small-section rapid tunneling machine is driven to move to a position to be constructed through a traveling part, when the cutting part 1 works, the shovel part synchronously works to collect rock soil or raw coal generated by tunneling of the cutting part 1 and then output the collected rock soil or raw coal, in the tunneling process of the small-section rapid tunneling machine, the driving mechanism 5 outputs power to the input end of the speed regulator 7 through the elastic coupling 6, the output end of the speed regulator 7 is connected with the tail part of the cutting head 8, and the driving mechanism 5 outputs tunneling power to the cutting head 8 through the elastic coupling 6 and the speed regulator 7 to break rock soil influenced by the cutting head 8;
the top surface section is stressed more, and the spiral pitch of the top surface cutting tooth group 82 is smaller than the spiral pitch of the side surface cutting tooth group 83, so that the number of cutting teeth of the top surface cutting tooth group 82 is more at the same distance, and the cutting teeth of the top surface cutting tooth group 82 are also denser, so that the force application and bearing capacity of the top surface section of the cutting head 8 can be effectively improved through denser arrangement of the cutting teeth, the rock and soil crushing capacity of the cutting head 8 can be effectively ensured, the tunneling efficiency of the tunneling broken rock and soil can be effectively changed through the width change of the cutting head 8 through the guide plate 81, and the guiding out of the broken rock and soil in front of the cutting head 8 can be ensured through the spiral of the guide plate 81, so that the force application object of the cutting head 8 is a tunneling surface can be ensured, the force application efficiency of the cutting head 8 is ensured, and the tunneling efficiency of the cutting head 8 is improved;
in the tunneling process of the cutting head 8, the tunneling reaction force of the cutting part 1 is buffered through the buffer part 61, and the active telescopic part 62 can drive the cutting head 8 to stretch and retract while the cutting head 8 rotates, so that the impact force of the cutting head 8 is improved through stretching, the efficiency of the cutting head 8 in guiding out broken rock soil can be improved through stretching, and the tunneling efficiency of the cutting head 8 can be effectively ensured;
after the rock and soil which can be crushed by the current cutting head 8 is collected, the current heading machine needs to move the whole heading machine and the cutting head 8 to the next position through the movement of a travelling part, or the inclined cutting head 8 is used for crushing the rock and soil through the side of the cutting head 8, the small-section rapid heading machine for the rock roadway can firstly drive the cutting part 1 to move circumferentially through the rotary table 2 after the rock and soil which can be influenced by the current cutting head 8 is crushed, wherein the circumferential driving motor 221 firstly drives the circumferential driving gear 222 to output power through a belt, and the circumferential driving gear 222 rotationally drives the driven fluted disc 321 to rotate under the stabilizing action of the circumferential stabilizing gear 223, and the driven fluted disc 321 is fixed with the position adjusting unit 32, so that the position adjusting unit 32 and even the whole cutting part 1 can be driven by the circumferential driving motor 221 to adjust angles;
the angle adjustment unit 31 drives the fixed seat 4 to rotate in the opposite direction to the circumferential movement direction of the turntable 2, wherein the output shaft of the angle drive motor 311 is fixed with the drive wheel disc 3121, so that the power output by the angle drive motor 311 is transmitted to the driven wheel disc 3122 through the chain transmission between the drive wheel disc 3121 and the driven wheel disc 3122, the rotation of the driven wheel disc 3122 is coaxially fixed with the angle adjustment gear 313, the angle adjustment gear 313 is driven to rotate, and then the fixed seat 4 fixed by the angle adjustment half-fluted disc 314 is driven to perform angle adjustment with the rest of the cutting part 1 through the engagement of the angle adjustment gear 313 and the angle adjustment half-fluted disc 314, and the adjusted angle is completely opposite to the circumferential movement of the turntable 2 and the adjusted angle is equal to the adjusted angle, so that the cutting head 8 can be readjusted back to the vertical direction between the tunneling faces through the angle adjustment unit 31, so that the cutting part 1 can sufficiently and effectively apply force to the rock soil of the faces in the vertical state, the maximum breaking force of the cutting head 8 can be maintained in the vertical state, and the rock soil of the faces can be broken rapidly, the cutting faces can be further, the broken and the tunneling speed of the cutting part 1 can be increased.
The position adjustment unit 32 is translated through the driving angle adjustment unit 31 and the cutting part 1, wherein an output shaft of the translation driving motor 3224 is fixed between the driving screw 3223, so that the translation driving motor 3224 can drive the driving screw 3223 to rotate, then the track plate 322 fixed by the driving connecting block 3231 is driven to move under the limit of the driving connecting block 3231 and the driving groove 3221 and the limit of the limit connecting block 3232 and the track groove 3222 through threaded connection between the driving connecting block 3231 and the driving screw 3223, the translation can be performed through the translation driving motor 3224 to drive the angle adjustment unit 31 and other parts of the cutting part 1 connected with the angle adjustment unit, and therefore after the cutting head 8 is adjusted in position through the rotary table 2, the distance between the cutting head 8 and a tunneling face (when tunneling) is relatively kept constant, the movement of the whole small-section rapid tunneling machine is reduced by the body part, the cutting head 8 can be rapidly driven to return to the spacing of the tunneling face when tunneling the tunneling face is not tunneling, the tunneling face of the whole small-section rapid tunneling machine can be rapidly driven, the tunneling efficiency of the whole small-section rapid tunneling machine can be effectively improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a small section rapid entry driving machine in rock roadway, includes cutting portion (1), shovel board portion, body portion and running gear, cutting portion with shovel board portion is all installed the removal front end of body portion, running gear is used for the drive the removal of body portion, its characterized in that: a rotary table (2) and a straightening mechanism (3) are arranged between the cutting part (1) and the body part, the cutting part is connected with the rotary table (2) through the straightening mechanism (3), the rotary table (2) drives the cutting part (1) to move circumferentially by driving the straightening mechanism (3), and the straightening mechanism (3) is used for keeping the cutting part (1) perpendicular to a tunneling surface;
the cutting part (1) comprises a fixed seat (4), a driving mechanism (5), an elastic coupling (6), a speed regulator (7) and a cutting head (8), wherein the driving mechanism (5) is fixed on the fixed seat (4), the cutting part (1) is connected with the straightening mechanism (3) through the fixed seat (4), the driving mechanism (5) outputs power to the input end of the speed regulator (7) through the elastic coupling (6), the output end of the speed regulator (7) is connected with the tail of the cutting head (8), and the driving mechanism (5) outputs tunneling power to the cutting head (8) through the elastic coupling (6) and the speed regulator (7);
the utility model provides a cutting head, including cutting head (8) and cutting face, including cutting head, angle adjustment unit (31) are installed in cutting head, centering mechanism (3) include angle adjustment unit (31) and position adjustment unit (32), position adjustment unit (32) with be connected between revolving platform (2), angle adjustment unit (31) with be connected between fixing base (4) revolving platform (2) when cutting head (2) drive cutting head (1) circumference removes, will centering mechanism (3) with cutting head (1) carries out whole angle adjustment, angle adjustment unit (31) drive fixing base (4) do with revolving platform (2) circumference removes the rotation opposite to the direction, will keep perpendicularly between cutting head (1) and the entry face, position adjustment unit (32) are through the drive angle adjustment unit (31) with cutting head (1) translation compensates the distance difference between cutting head (8) and the entry face.
2. The rock roadway small-section rapid heading machine of claim 1, wherein: the rotary table (2) comprises a fixed table (21) and a circumferential driving mechanism (22), the position adjusting unit (32) is rotationally connected with the fixed table (21), and the circumferential driving mechanism (22) is in power connection with the position adjusting unit (32);
the circumferential driving mechanism (22) can drive the whole centering mechanism (3) and the cutting part (1) to move circumferentially under the support of the fixed table (21) by driving the position adjusting unit (32).
3. The rock roadway small-section rapid heading machine of claim 2, wherein: a driven fluted disc (321) is fixed at the bottom of the position adjusting unit (32), and the rotation of the driven fluted disc (321) can drive the whole position adjusting unit (32) to rotate;
the circumferential driving mechanism (22) comprises a circumferential driving motor (221), a circumferential driving gear (222) and a circumferential stabilizing gear (223), and the driven fluted disc (321) is meshed with the circumferential driving gear (222) and the circumferential stabilizing gear (223) at the same time;
the driven fluted disc (321) is fixed with the position adjusting unit (32) so that the position adjusting unit (32) and even the whole cutting part (1) can be driven by the circumferential driving motor (221) to adjust the angle;
the circumferential driving motor (221) outputs power to the circumferential driving gear (222) through belt transmission, and the driven fluted disc (321) rotates under the driving action of the circumferential driving gear (222) and the stabilizing action of the circumferential stabilizing gear (223);
the circumferential driving motor (221) outputs power to the circumferential driving gear (222) through belt transmission, and the circumferential driving gear (222) rotates to drive the driven fluted disc (321) to rotate under the stabilizing action of the circumferential stabilizing gear (223).
4. A rock roadway small section rapid heading machine as claimed in claim 3, wherein: the position adjustment unit (32) comprises a track plate (322) and a mounting platform (323), wherein the mounting platform (323) can slide on the surface of the track plate (322);
a driving groove (3221) and a track groove (3222) are formed in the top of the track plate (322), a driving screw rod (3223) is installed in the driving groove (3221), and a translation driving motor (3224) is arranged on one side of the driving screw rod (3223);
the mounting platform (323) bottom is provided with drive connecting block (3231) and spacing connecting block (3232), drive connecting block (3231) with agree with between drive groove (3221), spacing connecting block (3232) with agree with between track groove (3222).
5. The rock roadway small-section rapid heading machine of claim 4, wherein: the driving connecting block (3231) is provided with a threaded hole, and the driving connecting block (3231) is in threaded connection with the driving screw rod (3223) through the threaded hole;
the translation driving motor (3224) drives the driving screw rod (3223) to rotate, so as to drive the driving connecting block (3231) to translate together with the whole mounting platform (323);
the angle adjusting unit (31) and other parts of the cutting part (1) connected with the angle adjusting unit are driven by the translation driving motor (3224) to translate, so that the distance between the cutting head (8) and a tunneling surface can be kept constant when tunneling is not performed after the cutting head (8) is adjusted in position by the rotary table (2).
6. The rock roadway small-section rapid heading machine of claim 5, wherein: the angle adjusting unit (31) is arranged at the top of the mounting platform (323), and the angle adjusting unit (31) comprises an angle driving motor (311), an angle transmission assembly (312), an angle adjusting gear (313) and an angle adjusting half fluted disc (314);
the angle driving motor (311) outputs power to the angle adjusting gear (313) through the angle transmission assembly (312), the angle adjusting gear (313) is meshed with the angle adjusting half-fluted disc (314), and the angle driving motor (311) controls rotation of the angle adjusting half-fluted disc (314).
7. The rock roadway small-section rapid heading machine of claim 6, wherein: the angle transmission assembly (312) comprises a driving wheel disc (3121) and a driven wheel disc (3122), wherein the driving wheel disc (3121) and the driven wheel disc (3122) are transmitted through a chain;
the driving wheel disc (3121) is fixed with the output shaft of the angle driving motor (311), and the driven wheel disc (3122) is coaxially fixed with the angle adjusting gear (313);
the angle adjusting half-fluted disc (314) is fixedly connected with the fixed seat (4) through bolts, and the angle driving motor (311) can drive the angle adjusting half-fluted disc (314) to drive the fixed seat (4) to adjust the angle through the transmission of the angle transmission assembly (312) and the angle adjusting gear (313);
the angle adjustment gear (313) is meshed with the angle adjustment half-fluted disc (314), so that the fixed seat (4) fixed by the angle adjustment half-fluted disc (314) and the rest of the cutting part (1) are driven to carry out angle adjustment, the angle of the adjustment is completely opposite to the circumferential movement of the rotary table (2) and the adjustment angles are equal, and the cutting head (8) can be readjusted to the vertical direction between the tunneling surfaces through the angle adjustment unit (31).
8. The rock roadway small-section rapid heading machine of claim 4, wherein: the cutting head (8) is divided into a top surface section and a side surface section, a guide plate (81) is spirally arranged on the surface of the side surface section, a plurality of cutting teeth are arranged on the top surface section and the side surface section in a spiral mode to form a top surface cutting tooth group (82), a plurality of cutting teeth on the side surface section are arranged in a spiral mode to form a side surface cutting tooth group (83), the spiral pitch of the side surface cutting tooth group (83) is consistent with that of the guide plate (81), the shortest distance between cutting teeth of each side surface cutting tooth group (83) and the guide plate (81) is equal, and the spiral pitch of the top surface cutting tooth group (82) is smaller than that of the side surface cutting tooth group (83).
9. The rock roadway small-section rapid heading machine of claim 8, wherein: the elastic coupling (6) comprises a buffer part (61) and an active telescopic part (62), the buffer part (61) is used for buffering tunneling reaction force of the cutting part (1), and the active telescopic part (62) can drive the cutting head (8) to stretch and retract while the cutting head (8) rotates.
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| CN202310167284.2A CN116025371B (en) | 2023-02-24 | 2023-02-24 | Small-section rapid tunneling machine for rock roadway |
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| CN202310167284.2A CN116025371B (en) | 2023-02-24 | 2023-02-24 | Small-section rapid tunneling machine for rock roadway |
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| AU4196385A (en) * | 1984-05-04 | 1985-11-07 | Minnovation Ltd. | Mineral cutting pick |
| CN106150493A (en) * | 2015-07-08 | 2016-11-23 | 徐工集团工程机械股份有限公司 | Cutting head of roadheader and development machine |
| CN209261556U (en) * | 2018-07-12 | 2019-08-16 | 石家庄鑫罡机械设备有限公司 | A kind of boom-type roadheader pars contractilis of shock-absorption support |
| CN110173273A (en) * | 2019-05-27 | 2019-08-27 | 中铁工程装备集团隧道设备制造有限公司 | A kind of hard rock bilayer self-balancing is stretched cutting arm and cantilever excavator |
| CN114810113A (en) * | 2022-01-25 | 2022-07-29 | 中国煤炭科工集团太原研究院有限公司 | Integral telescopic structure and telescopic method of cutting mechanism of heading machine |
-
2023
- 2023-02-24 CN CN202310167284.2A patent/CN116025371B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4196385A (en) * | 1984-05-04 | 1985-11-07 | Minnovation Ltd. | Mineral cutting pick |
| CN106150493A (en) * | 2015-07-08 | 2016-11-23 | 徐工集团工程机械股份有限公司 | Cutting head of roadheader and development machine |
| CN209261556U (en) * | 2018-07-12 | 2019-08-16 | 石家庄鑫罡机械设备有限公司 | A kind of boom-type roadheader pars contractilis of shock-absorption support |
| CN110173273A (en) * | 2019-05-27 | 2019-08-27 | 中铁工程装备集团隧道设备制造有限公司 | A kind of hard rock bilayer self-balancing is stretched cutting arm and cantilever excavator |
| CN114810113A (en) * | 2022-01-25 | 2022-07-29 | 中国煤炭科工集团太原研究院有限公司 | Integral telescopic structure and telescopic method of cutting mechanism of heading machine |
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| CN116025371B (en) | 2023-09-29 |
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Address after: No. 65 City North East Street, Changzhi, Shanxi Province Applicant after: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Applicant after: WUXI HUAHAN ENERGY EQUIPMENT TECHNOLOGY CO.,LTD. Address before: No.20 Jinhui Road, wind power park, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant before: WUXI HUAHAN ENERGY EQUIPMENT TECHNOLOGY CO.,LTD. Applicant before: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. |
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