CN110961192A - Synchronous single-transmission roller press for electric coal crushing in thermal power station - Google Patents
Synchronous single-transmission roller press for electric coal crushing in thermal power station Download PDFInfo
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- CN110961192A CN110961192A CN201911351038.2A CN201911351038A CN110961192A CN 110961192 A CN110961192 A CN 110961192A CN 201911351038 A CN201911351038 A CN 201911351038A CN 110961192 A CN110961192 A CN 110961192A
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- crushing cutter
- crushing
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- 239000003245 coal Substances 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 238000005096 rolling process Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000010298 pulverizing process Methods 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a synchronous single-transmission roller press for electric coal crushing in a thermal power station, which comprises a workbench, a crushing cutter shaft support frame and a radial moving mechanism, wherein the upper surface of the workbench is fixedly provided with the crushing cutter shaft support frame, the outer part of the crushing cutter shaft support frame is connected with a fixing belt in a sliding way through a rolling wheel set, the front surface of the workbench is also provided with a torque driving mechanism, the right end of the torque driving mechanism is provided with a force application mechanism, the lower part of the force application mechanism is arranged on the upper surface of the workbench, the front surface of the workbench is also provided with a deformation detection mechanism, the upper part of the deformation detection mechanism is provided with a crushing cutter shaft, the outer wall of the crushing cutter shaft is connected with the crushing cutter shaft support frame, the outer wall of the crushing cutter shaft support frame is also provided with the radial moving mechanism, simple structure has improved the crushing machining efficiency of machinery, has reduced the wear rate of roll-in wheel, has prolonged the life of roll squeezer.
Description
Technical Field
The invention relates to the technical field of coal crushing, in particular to a synchronous single-transmission roller press for electric coal crushing in a thermal power station.
Background
Thermal power stations are the main power generation mode at present, and the main fuel in the power stations is coal. In order to fully combust coal, improve combustion and reduce dust emission, coal needs to be crushed, coal from different sources is crushed into particles with the same specification, uniform combustion is facilitated, and a roller press is often used in crushing operation.
In the conventional grinding equipment, more than 60% of energy consumption is consumed in the generation of heat and noise, and the energy utilization rate is extremely low. The application of the roller press greatly improves the energy utilization rate of a grinding system, and particularly in the coal-fired industry, the introduction of the roller press improves the grinding efficiency by more than 40 percent and the production efficiency by 30 to 50 percent.
At present, a roller press crushes materials by adopting a mode of rolling materials by a pair of squeeze rollers. One of the two extrusion rollers is a movable roller which can move horizontally under the pushing of a hydraulic cylinder, apply extrusion force to the material and adjust a roller gap according to different pressures; the other is a fixed roller which is fixed on the base frame of the rolling machine and can not move horizontally. The two squeezing rollers are respectively driven by two motors to rotate relatively.
However, the existing coal-fired pulverizing synchronous single-transmission roller press has the following defects:
(1) the conventional coal roller press is used as main equipment for coal crushing, and the equipment has low automation degree, low processing efficiency, high labor intensity of workers and low processing efficiency of a crushing cutter shaft;
(2) the pinch roller mechanism of current coal-fired roll squeezer reciprocates the in-process, because the friction dynamics is big, leads to the wearing and tearing intensity high, and mechanical life reduces.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the synchronous single-transmission roller press for the electric coal crushing of the thermal power station, a frame type structure is adopted as the main body of the support frame, the whole weight of the crushing cutter shaft support frame is reduced, the structure is simple, the mechanical crushing processing efficiency is improved, and the practicability is high; the wear rate of the roller press wheel is reduced, the service life of the roller press is prolonged, and the problems brought forward by the background technology can be effectively solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a synchronous single-transmission roller press for coal pulverization in a thermal power station comprises a workbench, a pulverization cutter shaft support frame and a radial movement mechanism, wherein the pulverization cutter shaft support frame is fixedly installed on the upper surface of the workbench, a fixing belt is slidably connected to the outer part of the pulverization cutter shaft support frame through a rolling wheel set, a torque driving mechanism is further arranged on the front surface of the workbench, a force application mechanism is arranged at the right end of the torque driving mechanism, the lower part of the force application mechanism is arranged on the upper surface of the workbench, a deformation detection mechanism is further arranged on the front surface of the workbench, a pulverization cutter shaft is arranged on the upper part of the deformation detection mechanism, the outer wall of the pulverization cutter shaft is connected with the pulverization cutter shaft support frame, a radial movement mechanism is further arranged on the outer wall of the pulverization cutter shaft support frame, a stepping motor is arranged at the driving end of the radial movement mechanism, the torque driving mechanism is arranged on the outer wall of the crushing cutter shaft supporting frame.
Further, forcing mechanism includes roller press wheel mechanism, U type frame and lead screw, there is U type frame through lead screw through connection on the outer wall of roller press wheel mechanism, the upper portion of U type frame is connected with crushing arbor support frame, the upper portion of U type frame still is connected with the worm wheel through the polished rod is perpendicular, the upper portion of polished rod is connected with the apron through the bearing is perpendicular, the lower part setting of apron is on the surface of crushing arbor support frame, the right-hand member of worm wheel still is provided with the worm, be provided with linear bearing on the outer wall of polished rod, linear bearing's outer wall passes through lock nut and apron fixed connection.
Further, the roller wheel mechanism includes last roller wheel seat, tapered roller bearing and goes up the roller wheel axle, go up the roller wheel axle and run through the connection perpendicularly on the inner wall of last roller wheel seat, the right-hand member of going up the roller wheel axle still passes through nut and last roller wheel seat inner wall fixed connection, the outer wall of going up the roller wheel axle passes through tapered roller bearing and goes up the inside fixed connection of roller wheel seat, still be provided with the sleeve on going up the middle part outer wall of roller wheel axle, still run through the connection on the telescopic outer wall and go up the roller wheel.
Further, radial movement mechanism includes driving motor, shaft coupling and slide bar, driving motor sets up the upper portion at crushing arbor support frame, driving motor's drive end has the slide bar support through the perpendicular through connection of slide bar, the slide bar outer wall passes through nut and crushing arbor support frame zonulae occludens.
Further, the rolling wheel group comprises a central shaft, a central bearing and rolling wheels, the upper portion of the central shaft is connected with the crushing cutter shaft support frame through the central bearing, the rolling wheels are axially connected to the outer wall of the central shaft, a sliding sleeve is arranged on the lower portion of each rolling wheel, and the lower portion of the central shaft penetrates through the inner walls of the rolling wheels and is fixedly connected with the crushing cutter shaft support frame through nuts.
Further, the deformation detection mechanism comprises a detection support, a photoelectric encoder and a reflection-type photoelectric switch, the photoelectric encoder is fixedly mounted on the left side face of the detection support, a rubber pad is arranged on the right side face of the photoelectric encoder, a rotating wheel is vertically connected to the outer wall of the rubber pad, and the reflection-type photoelectric switch is fixedly mounted on the inner wall of the detection support through a nut.
Further, smash arbor support frame includes grudging post, crossbeam and adjusting shim, two crossbeams about being connected with perpendicularly on the inner wall of grudging post, it is adjacent the middle part of crossbeam is connected with the stand perpendicularly, be provided with adjusting shim on the outer wall of stand, the upper portion of stand is connected with the crossbeam inner wall through last guide key, the lower part of stand is connected with the crossbeam inner wall through lower guide key, the lower part of grudging post still is provided with the base, it is provided with two rectangular guide rails still to symmetry on the inner wall of grudging post, be connected through the sliding shaft on rectangular guide rail's the inner wall.
Furthermore, a bearing surface and a U-shaped guide surface are arranged on the rectangular guide rail, the U-shaped guide surface is arranged on the inner wall of the bearing surface, and two auxiliary guide surfaces are symmetrically arranged on the lower portion of the bearing surface.
Further, the workstation includes left stand, right stand, entablature and bottom end rail, support through left stand and right stand respectively between entablature, the bottom end rail and connect, the middle part of left side stand and right stand still is connected with the intermediate strut floor perpendicularly, still be provided with a plurality of pin shaft holes on the front of left side stand and right stand, the left side stand still is provided with a plurality of bolt holes on the surface with the right stand.
Furthermore, all be provided with a plurality of baffles on the loading face of left side stand and right stand, it is adjacent distance between the baffle is provided with 2 cm.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the coal-fired grinding synchronous single-transmission roller press, the whole frame and the lower roller are respectively driven by the two stepping motors, the whole frame moves back and forth to ensure the synchronous movement of the whole grinding cutter shaft, the stroke switch is arranged on the workbench, and after the frame touches the stroke switch, the grinding cutter shaft is controlled to return to the original position by the external control system, so that the mechanical grinding processing efficiency is improved, and the practicability is high;
(2) according to the coal-fired grinding synchronous single-transmission roller press, the screw nut mechanism is adopted in a mode that two ends of a screw are fixed and nuts move, the feed rod mechanism is adopted as the guide mechanism of the roller press wheel mechanism, the linear bearing is arranged on the roller press wheel mechanism support frame, the friction force generated by the up-and-down movement of the roller press wheel mechanism is greatly reduced, the wear rate of the roller press wheel is reduced, and the service life of the roller press is prolonged.
(3) The synchronous single-transmission roller press for coal crushing adopts the frame structure as the main body of the support frame, reduces the whole weight of the crushing cutter shaft support frame, and has simple structure.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the force applying mechanism of the present invention;
FIG. 5 is a schematic view of a mounting structure for a light bar according to the present invention;
FIG. 6 is a schematic structural view of a roller wheel mechanism of the present invention;
FIG. 7 is a schematic view of the radial moving mechanism of the present invention;
FIG. 8 is a schematic view of a rolling wheel assembly according to the present invention;
FIG. 9 is a schematic structural view of a deformation detection mechanism of the present invention;
FIG. 10 is a schematic view of a reflective optoelectronic switch according to the present invention;
FIG. 11 is a schematic view of a support frame for a grinding cutter shaft according to the present invention;
FIG. 12 is a schematic view of a rectangular rail configuration of the present invention;
fig. 13 is a schematic structural diagram of the workbench according to the present invention.
Reference numbers in the figures:
1-a workbench; 2-crushing cutter shaft support; 3, fixing the belt; 4-a torque drive mechanism; 5-a force application mechanism; 6-a deformation detection mechanism; 7-crushing cutter shaft; 8-a radial movement mechanism; 9-a stepper motor;
101-upper beam; 102-a lower beam; 103-left upright post; 104-right upright post; 105-intermediate support ribs; 106-pin shaft holes; 107-a separator; 108-bolt holes;
201-rolling wheel group; 202-a cross beam; 203-adjusting the shim; 204-column; 205-upper guide key; 206-a base; 207-rectangular guide rails; 208-a sliding shaft; 209-lower guide key; 210-a vertical frame;
20101-central axis; 20102-center bearing; 20103-a rolling wheel; 20104-sliding sleeve;
20701-carrying surface; 20702-U-shaped guide surface; 20703-auxiliary guide surface;
501-a roller mechanism; 502-lead screw; 503-U-shaped frame; 504-light bar; 505-a worm gear; 506-a worm; 507-bearings; 508-a cover plate; 509-linear bearing; 510-a lock nut;
50101-upper roller seat; 50102-tapered roller bearing; 50103-upper roll wheel shaft; 50104-upper roll wheel; 50105-sleeve;
601-a detection support; 602-a photoelectric encoder; 603-rubber pad; 604-a rotator wheel; 605-reflective photoelectric switch;
801-drive motor; 802-coupling; 803-sliding rod; 804-slide bar holder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 13, the invention provides a synchronous single-transmission roller press for coal pulverizing in a thermal power station, which comprises a workbench 1, a pulverizing cutter shaft support frame 2 and a radial moving mechanism 8, wherein the pulverizing cutter shaft support frame 2 is fixedly installed on the upper surface of the workbench 1, a fixing belt 3 is slidably connected to the outside of the pulverizing cutter shaft support frame 2 through a rolling wheel set 201, a torque driving mechanism 4 is further arranged on the front surface of the workbench 1, a force application mechanism 5 is arranged at the right end of the torque driving mechanism 4, the lower part of the force application mechanism 5 is arranged on the upper surface of the workbench 1, a deformation detection mechanism 6 is further arranged on the front surface of the workbench 1, a pulverizing cutter shaft 7 is arranged on the upper part of the deformation detection mechanism 6, the outer wall of the pulverizing cutter shaft 7 is connected with the pulverizing cutter shaft support frame 2, and the radial moving mechanism 8 is further arranged on the outer wall of, the driving end of the radial moving mechanism 8 is provided with a stepping motor 9, the driving end of the stepping motor 9 is vertically connected with a torque driving mechanism 4, and the torque driving mechanism 4 is arranged on the outer wall of the crushing cutter shaft supporting frame 2.
In this embodiment, the whole device is placed on the workbench 1, the crushing cutter shaft 7 surrounds the rolling wheel set 201 on the crushing cutter shaft support frame 2, the pressure required by the plastic deformation of the crushing cutter shaft 7 is provided by the force application mechanism 5, the stepping motor 9 is used for providing pressure, the output shaft of the stepping motor is connected with the worm 506 through the coupler, the turbine 505 transmits power to the lead screw 502, the rolling wheel mechanism 501 is driven to roll the crushing cutter shaft 7, the deformation of the crushing cutter shaft 7 is detected by the deformation detection mechanism 6, the obtained data is transmitted to the external control system, when the crushing cutter shaft 7 rolls a next cross section position, the external control system can control the radial movement mechanism 8 to move a corresponding distance, the crushing cutter shaft 7 rotates circumferentially in the rolling process, and the crushing cutter shaft 7 rotates circumferentially under the dual actions of the rotation and extrusion of the upper and lower rolling wheels.
The force application mechanism 5 comprises a roller press wheel mechanism 501, a U-shaped frame 503 and a screw rod 502, the outer wall of the roller press wheel mechanism 501 is connected with the U-shaped frame 503 through the screw rod 502, the upper portion of the U-shaped frame 503 is connected with the crushing cutter shaft support frame 2, the upper portion of the U-shaped frame 503 is also vertically connected with a worm wheel 505 through a light bar 504, the upper portion of the light bar 504 is vertically connected with a cover plate 508 through a bearing 507, the lower portion of the cover plate 508 is arranged on the surface of the crushing cutter shaft support frame 2, the right end of the worm wheel 505 is further provided with a worm 506, a linear bearing 509 is arranged on the outer wall of the light bar 504, and the outer wall of the linear bearing 509 is fixedly connected.
The roller wheel mechanism 501 comprises an upper roller wheel seat 50101, a tapered roller bearing 50102 and an upper roller wheel shaft 50103, the upper roller wheel shaft 50103 is vertically connected to the inner wall of the upper roller wheel seat 50101 in a penetrating mode, the right end of the upper roller wheel shaft 50103 is fixedly connected with the inner wall of the upper roller wheel seat 50101 through a nut, the outer wall of the upper roller wheel shaft 50103 is fixedly connected with the inner portion of the upper roller wheel seat 50101 through the tapered roller bearing 50102, a sleeve 50105 is further arranged on the outer wall of the middle portion of the upper roller wheel shaft 50103, and an upper roller wheel 50104 is further connected to the outer wall of the sleeve 50105 in a penetrating mode.
In this embodiment, the main stress mechanism of the roller wheel mechanism 501 is provided with internal threads on the upper roller holder 50101, the internal threads are matched with the lead screw 502 and correspond to a nut, the circumferential rotation of the lead screw 502 transmits power to the upper roller holder 50101 to realize the up-and-down movement of the upper roller holder 50101, the most important stress component in the force application mechanism 5 is the upper roller 50103, the upper roller 50104 is mounted on the upper roller 50103, in order to prevent the upper roller 50104 from moving left and right in the axial direction, the left and right sides of the upper roller 50104 are provided with limiting sleeves 50105, the upper roller 50103 is mounted in bearing holes on the left and right sides and used for supporting the upper roller 50104, the bearings simultaneously bear radial force and axial force, and the bearings on the two sides are connected by tapered roller bearings 50102.
In the embodiment, the force application mechanism 5 is powered by a torque motor, an output shaft of the torque motor is connected with a worm 506 through a coupling, the worm 506 drives a turbine 505 to rotate, the turbine 505 is matched with a lead screw 502, the rotation of the turbine 505 drives the lead screw 502 to rotate, a lead screw nut mechanism of the force application mechanism 5 adopts a mode that two ends of the lead screw 502 are fixed and nuts move, a rolling wheel machine is driven by the lead screw nut mechanism, 501 moves up and down, because the force required for the plastic deformation of the crushing cutter shaft 7 is very large, the axial force born by the screw rod is also very large, meanwhile, the lead screw 502 rotates in the circumferential direction, has both axial force and radial force, and the smooth rod 504 mechanism is adopted as the guide mechanism of the roller mechanism, so that the roller mechanism 501 moves up and down stably, the linear bearings 509 are mounted on the roller wheel mechanism 501 supports so that the friction of the roller wheel mechanism moving up and down is greatly reduced.
In the embodiment, the sliding lead screw nut transmission mechanism is used as a pressure transmission mode, sliding friction is formed between the lead screw nuts, and the self-locking function can be realized.
In the embodiment, the screw and nut transmission mechanism adopts a mode of screw fixation and nut movement, the movement direction of the nut is vertical linear movement, and the torque motor is horizontally arranged on the motor fixing frame, so that a worm and gear transmission device is added between the motor and the screw to change the direction of force and play a role in speed reduction.
The radial moving mechanism 8 comprises a driving motor 801, a coupler 802 and a sliding rod 803, the driving motor 801 is arranged on the upper portion of the crushing cutter shaft support frame 2, the driving end of the driving motor 801 is vertically connected with a sliding rod support 804 through the sliding rod 803 in a penetrating manner, and the outer wall of the sliding rod 803 is tightly connected with the crushing cutter shaft support frame 2 through a nut.
In this embodiment, the crushing cutter shaft 7 is annularly wound on the rolling wheel set 201 of the crushing cutter shaft support frame 2, the crushing cutter shaft support frame 2 is fixedly mounted on a slider, the slider moves back and forth on a linear guide rail to drive the whole crushing cutter shaft 7 to move back and forth, the power for moving the crushing cutter shaft support frame 2 back and forth is derived from a driving motor 801, the driving motor 801 is connected with a sliding rod 803 through a coupler, sliding rod supports 804 are arranged at two ends of the sliding rod 803 to support the sliding rod 803, a nut is fixed on the frame of the crushing cutter shaft support frame 2 through a flange, and the rotation of the nut drives the crushing cutter shaft support frame 2.
The rolling wheel set 201 comprises a central shaft 20101, a central bearing 20102 and rolling wheels 20103, the upper portion of the central shaft 20101 is connected with the crushing cutter shaft support frame 2 through the central bearing 20102, the outer wall of the central shaft 20101 is axially connected with the rolling wheels 20103, the lower portion of the rolling wheels 20103 is provided with a sliding sleeve 20104, and the lower portion of the central shaft 20101 penetrates through the inner wall of the rolling wheels 20103 and is fixedly connected with the crushing cutter shaft support frame 2 through nuts.
In this embodiment, the rolling wheel set 201 is a hollow structure, two ends of the rolling wheel set are provided with sunken grooves for placing the central bearing 20102, in order to prevent the central bearing 20102 from moving axially and have better rotation characteristics, a sliding sleeve 20104 is installed on the end surface of the central bearing 20102, one surface of the sliding sleeve 20104 is in contact with an inner ring of the central bearing 20102, the other surface of the sliding sleeve 20104 is in contact with the crushing cutter shaft support frame 2, and the central shaft 20101 penetrates through the central bearing 20102 and the sliding sleeve 20104 on two sides of the rolling wheel 20103 and is fixed on a frame of the crushing cutter shaft support frame 2.
The deformation detection mechanism 6 comprises a detection support 601, a photoelectric encoder 602 and a reflective photoelectric switch 605, the photoelectric encoder 602 is fixedly mounted on the left side surface of the detection support 601, a rubber pad 603 is arranged on the right side surface of the photoelectric encoder 602, a rotating wheel 604 is vertically connected to the outer wall of the rubber pad 603, and the reflective photoelectric switch 605 is also fixedly mounted on the inner wall of the detection support 601 through a nut.
In this embodiment, the deformation detection mechanism 6 is used to detect the rolling deformation of the crushing cutter shaft, the rolling deformation of the crushing cutter shaft 7 is detected in real time in a form of combining the photoelectric encoder 602 and the reflective photoelectric switch 605, the rotating wheel of the photoelectric encoder 602 directly contacts with the crushing cutter shaft 7, the crushing cutter shaft 7 fluctuates up and down in the processing process, and a rubber pad 603 is arranged below the photoelectric encoder 602 to relieve the pressure applied to the crushing cutter shaft, so that the pressure can be effectively relieved.
In this embodiment, the working principle of the photoelectric encoder 602 is as follows: the rotating wheel 604 is installed on an output shaft of the wood-working smashing cutter shaft, the part of the rotating wheel 604, which is in contact with the smashing cutter shaft 7, is conical, the conical tip of the conical part is in contact with the wood-working smashing cutter shaft, when the photoelectric encoder 602 works, mechanical geometric displacement of the output shaft is converted into pulses, the smashing cutter shaft 7 rotates for a certain distance in the rotating process, the photoelectric encoder 602 can generate pulses with corresponding quantity according to the geometric displacement of the output shaft, when the smashing cutter shaft 7 rotates for one circle, an external control system can obtain the number of pulses generated by the rotation of different cross-section positions for one circle, the length of the cross-section position of the smashing cutter shaft 7 for one circle is calculated, the deformation of the smashing cutter shaft 7 pressed and ground at the position can be known, and is compared with a set value, so that how to compress is judged until.
In this embodiment, the operation principle of the reflective photoelectric switch 605 is as follows: when a black line is drawn at a proper position on one side of the smashing cutter shaft 7 close to the reflection-type photoelectric switch along the cross section direction of the smashing cutter shaft, when the black line passes through the upper part of the reflection-type photoelectric switch 605, the signal line of the reflection-type photoelectric switch 605 is subjected to high-low level conversion, the control system detects the level conversion and starts timing, after a period of time, the black line passes through the upper part of the reflection-type photoelectric switch again, the reflection-type photoelectric switch 605 is subjected to level conversion again, the period of time is the time when the smashing cutter shaft of a carpenter rotates for a circle, namely the fact that a certain position of the cross section of the smashing cutter shaft 7 is processed for a circle, and then the external control system processes data collected by the photoelectric encoder and the reflection-type photoelectric switch 605, so.
The crushing cutter shaft support frame 2 comprises a vertical frame 201, a cross beam 202 and an adjusting gasket 203, an upper cross beam 202 and a lower cross beam 202 are vertically connected on the inner wall of the vertical frame 201, a vertical column 204 is vertically connected in the middle of the adjacent cross beams 202, the outer wall of the upright column 204 is provided with an adjusting shim 203, the upper part of the upright column 204 is connected with the inner wall of the cross beam 202 through an upper guide key 205, the lower part of the upright 204 is connected with the inner wall of the beam 202 through a lower guide key 209, the lower part of the vertical frame 201 is also provided with a base 206, the inner wall of the vertical frame 201 is also symmetrically provided with two rectangular guide rails 207, the inner walls of the rectangular guide rails 207 are connected through sliding shafts 208, the rectangular guide rails 207 are provided with bearing surfaces 20701 and U-shaped guide surfaces 20702, the inner wall of the bearing surface 20701 is provided with a U-shaped guide surface 20702, and the lower part of the bearing surface 20701 is further symmetrically provided with two auxiliary guide surfaces 20703.
In this embodiment, the rectangular guide rail 207 is composed of a support member and a moving member, and forms a guide rail pair, the guide rail pair can be divided into a linear motion guide rail pair and a rotary motion guide rail pair according to the difference of the moving direction, and can be divided into a sliding guide rail pair, a rolling guide rail pair and the like according to the difference of the friction property of the contact surface, and the guide rail pair is required to have the characteristics of high guiding precision, portability and stability in movement, good wear resistance, good rigidity and the like in the machining process of the crushing cutter shaft 7.
In this embodiment, the rectangular guide rail 207 has the advantages of simple structure, wide guide rail surface, large bearing capacity, high rigidity, low cost, and the like.
In this embodiment, a frame structure is adopted as a main body of the crushing cutter shaft support frame 2, and the back and forth movement of the crushing cutter shaft support frame 2 realizes the back and forth movement of the whole crushing cutter shaft 7, reduces the whole weight of the crushing cutter shaft support frame 2, and has a simple structure.
In this embodiment, the adjusting shim 203 is located on the vertical frame 201 and is mainly used to adjust the initial value of the roll gap, the force application mechanism tightly presses the movable torque driving mechanism 4 against the worktable 1 and transmits the initial thrust to the vertical frame 201, when the initial roll gap is changed, the adjusting shim 203 with different thicknesses is replaced, and rectangular guide rails 207 are arranged on two sides of the vertical frame 201 to buffer the horizontal impact and improve the bearing strength of the crushing cutter shaft support frame 2.
The workbench 1 comprises a left upright post 103, a right upright post 104, an upper cross beam 101 and a lower cross beam 102, wherein the upper cross beam 101 and the lower cross beam 102 are respectively connected through the left upright post 103 and the right upright post 104 in a supporting manner, middle supporting rib plates 105 are vertically connected to the middle parts of the left upright post 103 and the right upright post 104, a plurality of pin shaft holes 106 are further formed in the front surfaces of the left upright post 103 and the right upright post 104, a plurality of bolt holes 108 are further formed in the surfaces of the left upright post 103 and the right upright post 104, a plurality of partition plates 107 are arranged on the bearing surfaces of the left upright post 103 and the right upright post 104, and the distance between the adjacent partition plates 107 is 2 cm.
In the embodiment, the workbench 1 is of a pin shaft type structure and mainly comprises a front lower beam, a rear lower beam, a left upright, a right upright, a front upper beam, a rear upper beam and the like, all the components are welded by steel plates, the upper and lower beams and the upright are connected through countersunk bolts, the shearing force of a joint surface is mainly borne through a pin shaft, the roller press of the structure is small in assembly gap and stable in work, and the bottom of the workbench 1 is fixed with the ground through a ground bolt.
In this embodiment, the lower beam 102 is mainly coupled to the left and right columns as an important supporting member through pins and bolts, and the pins fix the frame of the roll squeezer to prevent the left and right columns from moving due to a load and prevent the bolts from being subjected to a shearing force along the x-axis direction.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a synchronous formula single drive roller press is smashed to thermal power station electricity coal, includes workstation (1), smashes arbor support frame (2) and radial movement mechanism (8), its characterized in that: the upper surface of the workbench (1) is fixedly provided with a crushing cutter shaft support frame (2), the outer part of the crushing cutter shaft support frame (2) is connected with a fixing belt (3) through a rolling wheel set (201) in a sliding way, the front of the workbench (1) is also provided with a moment driving mechanism (4), the right end of the moment driving mechanism (4) is provided with a force application mechanism (5), the lower part of the force application mechanism (5) is arranged on the upper surface of the workbench (1), the front of the workbench (1) is also provided with a deformation detection mechanism (6), the upper part of the deformation detection mechanism (6) is provided with a crushing cutter shaft (7), the outer wall of the crushing cutter shaft (7) is connected with the crushing support frame (2), the outer wall of the crushing cutter shaft support frame (7) is also provided with a radial movement mechanism (8), the driving end of the radial movement mechanism (8) is provided with a stepping motor, the driving end of the stepping motor (9) is vertically connected with a torque driving mechanism (4), and the torque driving mechanism (4) is arranged on the outer wall of the crushing cutter shaft supporting frame (2).
2. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: force applying mechanism (5) are including roll-in roller mechanism (501), U type frame (503) and lead screw (502), through lead screw (502) through connection on the outer wall of roll-in roller mechanism (501) U type frame (503), the upper portion of U type frame (503) is connected with crushing arbor support frame (2), the upper portion of U type frame (503) still is connected with worm wheel (505) through polished rod (504) vertically, the upper portion of polished rod (504) is connected with apron (508) through bearing (507) vertically, the lower part of apron (508) sets up on the surface of crushing arbor support frame (2), the right-hand member of worm wheel (505) still is provided with worm (506), be provided with linear bearing (509) on the outer wall of polished rod (504), the outer wall of linear bearing (509) passes through lock nut (510) and apron (508) fixed connection.
3. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 2, characterized in that: the roller wheel mechanism (501) comprises an upper roller wheel seat (50101), a tapered roller bearing (50102) and an upper roller wheel shaft (50103), the upper roller wheel shaft (50103) is vertically connected to the inner wall of the upper roller wheel seat (50101) in a penetrating mode, the right end of the upper roller wheel shaft (50103) is fixedly connected with the inner wall of the upper roller wheel seat (50101) through a nut, the outer wall of the upper roller wheel shaft (50103) is fixedly connected with the inner wall of the upper roller wheel seat (50101) through the tapered roller bearing (50102), a sleeve (50105) is further arranged on the outer wall of the middle of the upper roller wheel shaft (50103), and an upper roller wheel (50104) is further connected to the outer wall of the sleeve (50105) in a penetrating mode.
4. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: radial movement mechanism (8) include driving motor (801), shaft coupling (802) and slide bar (803), driving motor (801) set up the upper portion at crushing arbor support frame (2), the drive end of driving motor (801) passes through slide bar (803) perpendicular through connection to have slide bar support (804), slide bar (803) outer wall passes through nut and crushing arbor support frame (2) zonulae occludens.
5. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: the crushing cutter shaft support frame is characterized in that the rolling wheel group (201) comprises a central shaft (20101), a central bearing (20102) and rolling wheels (20103), the upper portion of the central shaft (20101) is connected with the crushing cutter shaft support frame (2) through the central bearing (20102), the outer wall of the central shaft (20101) is axially connected with the rolling wheels (20103), the lower portion of the rolling wheels (20103) is provided with a sliding sleeve (20104), and the lower portion of the central shaft (20101) penetrates through the inner wall of the rolling wheels (20103) and is fixedly connected with the crushing cutter shaft support frame (2) through nuts.
6. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: the deformation detection mechanism (6) comprises a detection support (601), a photoelectric encoder (602) and a reflection-type photoelectric switch (605), wherein the photoelectric encoder (602) is fixedly installed on the left side face of the detection support (601), a rubber pad (603) is arranged on the right side face of the photoelectric encoder (602), a rotating wheel (604) is vertically connected to the outer wall of the rubber pad (603), and the reflection-type photoelectric switch (605) is fixedly installed on the inner wall of the detection support (601) through a nut.
7. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: smash arbor support frame (2) including grudging post (201), crossbeam (202) and adjusting shim (203), two crossbeams (202) about being connected with on the inner wall of grudging post (201) perpendicularly, it is adjacent the middle part of crossbeam (202) is connected with stand (204) perpendicularly, be provided with adjusting shim (203) on the outer wall of stand (204), the upper portion of stand (204) is connected with crossbeam (202) inner wall through last guide key (205), the lower part of stand (204) is connected with crossbeam (202) inner wall through lower guide key (209), the lower part of grudging post (201) still is provided with base (206), still the symmetry is provided with two rectangle guide rails (207) on the inner wall of grudging post (201), be connected through sliding shaft (208) on the inner wall of rectangle guide rail (207).
8. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 7, characterized in that: the rectangular guide rail (207) is provided with a bearing surface (20701) and a U-shaped guide surface (20702), the inner wall of the bearing surface (20701) is provided with the U-shaped guide surface (20702), and the lower part of the bearing surface (20701) is further symmetrically provided with two auxiliary guide surfaces (20703).
9. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 1, characterized in that: the workbench (1) comprises a left upright (103), a right upright (104), an upper cross beam (101) and a lower cross beam (102), wherein the upper cross beam (101) and the lower cross beam (102) are respectively connected through the left upright (103) and the right upright (104) in a supporting manner, the middle parts of the left upright (103) and the right upright (104) are also vertically connected with a middle supporting rib plate (105), a plurality of pin shaft holes (106) are further formed in the front surfaces of the left upright (103) and the right upright (104), and a plurality of bolt holes (108) are further formed in the surfaces of the left upright (103) and the right upright (104).
10. The synchronous single-transmission roller press for thermal power station electric coal pulverization according to claim 9, characterized in that: all be provided with a plurality of baffles (107) on the loading face of left side stand (103) and right stand (104), it is adjacent distance between baffle (107) is provided with 2 cm.
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| CN201911351038.2A CN110961192B (en) | 2019-12-24 | 2019-12-24 | Synchronous single-transmission roller press for electric coal crushing in thermal power station |
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| CN201911351038.2A CN110961192B (en) | 2019-12-24 | 2019-12-24 | Synchronous single-transmission roller press for electric coal crushing in thermal power station |
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| CN110961192B CN110961192B (en) | 2021-11-12 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728131U (en) * | 2010-06-30 | 2011-02-02 | 南京西普水泥工程集团有限公司 | Single-drive roller type pulverizer |
| CN104174465A (en) * | 2013-05-22 | 2014-12-03 | 红河州天远机械有限公司 | Rotary multistage high-speed rolling mill |
| CN205580398U (en) * | 2016-04-27 | 2016-09-14 | 河北科技大学 | Deformation test mechanism of automatic trimmer of band saw |
| CN208436904U (en) * | 2018-03-20 | 2019-01-29 | 桐乡市羔羊水泥有限公司 | A kind of roll squeezer |
| CN208960092U (en) * | 2018-07-30 | 2019-06-11 | 深圳市和顺居建筑材料有限公司 | Crushing device for building waste |
| CN109876920A (en) * | 2019-04-04 | 2019-06-14 | 洛阳开石机械科技有限公司 | A high pressure centrifugal roller press |
| CN208991970U (en) * | 2018-10-30 | 2019-06-18 | 辽宁科技大学 | Rolling mechanism used in laser tailor welding of unequal thickness plates |
-
2019
- 2019-12-24 CN CN201911351038.2A patent/CN110961192B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728131U (en) * | 2010-06-30 | 2011-02-02 | 南京西普水泥工程集团有限公司 | Single-drive roller type pulverizer |
| CN104174465A (en) * | 2013-05-22 | 2014-12-03 | 红河州天远机械有限公司 | Rotary multistage high-speed rolling mill |
| CN205580398U (en) * | 2016-04-27 | 2016-09-14 | 河北科技大学 | Deformation test mechanism of automatic trimmer of band saw |
| CN208436904U (en) * | 2018-03-20 | 2019-01-29 | 桐乡市羔羊水泥有限公司 | A kind of roll squeezer |
| CN208960092U (en) * | 2018-07-30 | 2019-06-11 | 深圳市和顺居建筑材料有限公司 | Crushing device for building waste |
| CN208991970U (en) * | 2018-10-30 | 2019-06-18 | 辽宁科技大学 | Rolling mechanism used in laser tailor welding of unequal thickness plates |
| CN109876920A (en) * | 2019-04-04 | 2019-06-14 | 洛阳开石机械科技有限公司 | A high pressure centrifugal roller press |
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| CN110961192B (en) | 2021-11-12 |
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