CN111940053A - Crushing sand making machine with rotating body balance system and balance adjusting method thereof - Google Patents
Crushing sand making machine with rotating body balance system and balance adjusting method thereof Download PDFInfo
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- CN111940053A CN111940053A CN201910710004.1A CN201910710004A CN111940053A CN 111940053 A CN111940053 A CN 111940053A CN 201910710004 A CN201910710004 A CN 201910710004A CN 111940053 A CN111940053 A CN 111940053A
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- 239000004576 sand Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052742 iron Inorganic materials 0.000 claims abstract description 45
- 230000005484 gravity Effects 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 18
- 235000000396 iron Nutrition 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000000696 magnetic material Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000011276 addition treatment Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 2
- 239000004575 stone Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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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
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
A crushing sand making machine with a rotator balance system comprises a blanking hopper 1, a hammer body 2, a hammer head 3, a rotating shaft 4, a belt pulley 5, a lining plate 6, an outer cylinder 7, a base 8, a balance weight iron 9, a dynamic balance tester 10, a vibration sensor 11 and a rotation speed sensor 12. The blanking hopper 1 is arranged on a base 8 through an outer cylinder 7, the rotating shaft 4 is arranged in the outer cylinder 7 through a rotating shaft seat, the belt pulley 5 is positioned on the blanking hopper 1 and arranged at the upper end of the rotating shaft 4, and the lining plate 6 is arranged on the inner wall of the outer cylinder 7; the upper hammer body 21, the middle hammer body 22 and the lower hammer body 23 are sequentially arranged on the rotating shaft 4 from top to bottom; the upper hammer head 31, the middle hammer head 32 and the lower hammer head 33 are respectively arranged on the upper hammer body 21, the middle hammer body 22 and the lower hammer body 23. The invention can actually measure the vibration value, the radial vibration direction and the axial vibration position of the crushing sand making machine, and load the hammer head needing to load the hammer head in a matching way, so that the balance adjustment becomes very simple, and the labor intensity of the balance is reduced.
Description
Technical Field
The invention relates to a crushing and sand making device, in particular to a crushing and sand making machine with a rotary body balance system and a balance adjusting method thereof.
Background
According to the condition analysis of the industry, the crushing sand making machine for crushing the massive stones into the fine stones has good development trend at present, and becomes a traditional and brand-new business creation field at home and abroad. China has abundant mountain stone resources, provides sufficient raw materials for the production of artificial sand, and along with the integration and adjustment of the mine industry, the crushing sand making machine exerts excellent advantages under the fumigation of the environment, but some problems generated in the production, such as that the crushing sand making equipment shows backward and seriously wastes resources, bring great obstacles to the progress of the sand and stone industry. Therefore, the development of the industry tends to be high-end and high-efficiency sand making machine. At present, real estate in China is developed quickly, and projects such as western large development, middle rising and the like are developed comprehensively, so that good development opportunities are provided for the crushing sand making machine industry in future, the crushing sand making machine has very large market demand regardless of domestic and foreign countries, and the prospect is bright.
The existing crushing sand making machine is mostly composed of a blanking hopper, a hammer body, a hammer head, a rotating shaft, a belt pulley, a lining plate, an outer cylinder, a base and the like. Because the broken sand making machine during operation is high-speed rotatory, when broken sand making machine rotator is unbalanced, can produce vibrations and noise, not only can shorten the life of broken sand making machine, still can seriously influence operating personnel's physical and mental health, serious still leads to the emergence of incident easily. The existing crushing sand making machine has the following defects in structure:
the rotating body of the crushing sand making machine is difficult to adjust balance: in order to balance the crushing and sand making machine as much as possible when the crushing and sand making machine rotates at a high speed so as to reduce vibration and noise, the rotating body of the crushing and sand making machine is provided with a balance weight iron. However, the mass size and the installation position of the counterweight iron are very difficult to determine, and in order to achieve the balance of the crushing sand making machine in actual operation, long time and a large amount of manpower are needed to achieve the use requirement, so that ideal balance is difficult to achieve.
Disclosure of Invention
One of the purposes of the present invention is to overcome the disadvantages of the prior art, and to provide a crushing and sand making machine with a rotating body balancing system, so as to solve the problem that the rotating body of the crushing and sand making machine is difficult to balance.
The technical scheme of the invention is as follows: a crusher with a rotary body balance system comprises a blanking hopper, a hammer body, a hammer head, a rotating shaft, a belt pulley, a lining plate, an outer cylinder body, a base, a counterweight device, a dynamic balance tester, a vibration sensor and a rotating speed sensor; the blanking hopper is arranged on the base through the outer cylinder body, the rotating shaft is arranged in the outer cylinder body through the rotating shaft seat, the belt pulley is positioned in the blanking hopper and arranged at the upper end of the rotating shaft, and the lining plate 6 is arranged on the inner wall of the outer cylinder body; the dynamic balance tester is arranged in a monitoring room, is connected with the vibration sensor and the rotating speed and direction sensor by signal wires, can be matched with other parameters of a rotating body of the crushing sand making machine for monitoring together, and is connected with the vibration sensor and the rotating speed and direction sensor by sensing wires; the vibration sensors are provided with 1 or more vibration sensors, and the vibration sensors are fixedly arranged on the outer rotating body cylinder of the crushing sand making machine or are adsorbed on the outer rotating body cylinder of the crushing sand making machine by adopting a magnetic material; the rotating speed sensor is arranged on the inner surface of a discharging hopper of the crushing sand making machine, the direction sensor is arranged on a belt pulley of the crushing sand making machine and accurately aligned with a visible mirror of the sensor, and the rotating speed sensor receives a signal once when the rotating body rotates for one circle.
The further technical scheme of the invention is as follows: the azimuth sensor is arranged on the outer surface of the inner ring of the belt pulley groove of the crushing sand making machine, or the bottom of the inner ring of the belt pulley groove of the crushing sand making machine, or the inner surface of the inner ring of the belt pulley groove of the crushing sand making machine.
The further technical scheme of the invention is as follows: the hammer body comprises an upper hammer body, a middle hammer body and a lower hammer body, and the upper hammer body, the middle hammer body and the lower hammer body are sequentially arranged on the rotating shaft from top to bottom; the hammer head comprises an upper hammer head, a middle hammer head and a lower hammer head, and the upper hammer head, the middle hammer head and the lower hammer head are respectively arranged on the upper hammer body, the middle hammer body and the lower hammer body.
The further technical scheme of the invention is as follows: the counterweight device comprises counterweight iron, a base plate and a fastening bolt, wherein the counterweight iron is arc-shaped and is matched with an arc shape of a groove formed in a hammer body of the crushing sand making machine, the counterweight iron is conical in front view, an arc-shaped positioning rib is arranged at the bottom of the counterweight iron and is installed on the hammer body, the base plate with a screw hole is placed in a groove in the upper plane of the hammer body, 1 to a plurality of pieces of counterweight iron with different sizes are placed on the groove, and the bolt penetrates through the counterweight iron and is screwed on the base plate to fix the counterweight iron on the hammer body.
The further technical scheme of the invention is as follows: the counterweight irons are made into standard shapes with the same shape and different sizes; the weight standard of the balance weight iron is 5, 2.5, 1, 0.5, 0.25 and 0.1 KG.
The invention further adopts the technical scheme that: the shape of the backing plate is a T shape or a dovetail shape which is the same as the shape of the groove; the backing plates and the fastening bolts are standard weights, and the standard weight of one backing plate after the fastening bolts are screwed is 0.1KG in total.
The invention further adopts the technical scheme that: the groove formed in the hammer body is a T-shaped groove or a dovetail groove, a round hole, an elliptical hole or a square hole is formed in the groove, the depth of the round hole, the depth of the elliptical hole or the square hole is 1-1.1 times of the depth of the groove, and the diameter of the round hole, the width of the short square hole or the square hole of the elliptical hole is 1-1.2 times of the maximum width of the groove bottom; the number of the holes formed on the groove is 4, and the holes are uniformly distributed on the circumference of the hammer body.
The invention also aims to overcome the defects of the prior art and provide a balance adjusting method of the crushing sand making machine so as to solve the problem that the crushing sand making machine is difficult to balance.
The technical scheme of the invention is as follows: a balance adjustment method of a crushing sand making machine is characterized in that a vibration sensor and a rotating speed and direction sensor are arranged on a rotating body of the crushing sand making machine, signals of the sensors are connected into a dynamic balance tester, and vibration parameters, rotating speed, and heavier/lighter direction and magnitude values of the rotating body of the crushing sand making machine during working are monitored on line; when the vibration exceeds the set standard value, the machine can be stopped to accurately find out the heavy/light direction and magnitude value to carry out quantitative weight removal/weight addition, and the normal requirement is met when the machine works again.
The further technical scheme of the invention is as follows: the rotating speed sensor is arranged on the inner surface of a discharging hopper of the crushing sand making machine, the direction detector is arranged on a belt pulley of the crushing sand making machine, or a magnetic material is adsorbed on the surface of an inner ring of a belt pulley groove of the crushing sand making machine and accurately aligned with a visible mirror of the sensor, so that the sensor receives a signal once when the rotating body rotates for one circle.
The invention further adopts the technical scheme that: 1-2 vibration sensors are arranged and fixedly mounted on the outer rotary body cylinder of the crushing sand making machine or adsorbed on the outer rotary body cylinder of the crushing sand making machine by adopting a magnetic material; when 1 vibration sensor is arranged, the vibration sensor is arranged at a position near the gravity center of the rotating body of the crushing sand making machine, the direction and the magnitude of the unbalance weight/or the unbalance weight of the rotating body of the crushing sand making machine within 360 degrees of the circumference of a gravity center plane can be measured, and the operation of removing the weight/or the weight can be carried out at any position of the rotating body of the crushing sand making machine in the axial direction; when the two vibration sensors are arranged, the vibration sensors are arranged at the two ends of the gravity center of the rotating body of the crushing sand making machine, and the respective weight/weight directions and the respective magnitude values of the two ends of the rotating body of the crushing sand making machine along the axial direction can be respectively measured; the operation of removing weight and/or adding weight can be respectively carried out along the two axial ends of the rotating body of the crushing sand making machine, so that the vibration value of the crushing sand making machine is controlled to be smaller.
Due to the design, compared with the existing crushing sand making machine, the invention has the following advantages:
1. the running condition of the crushing and sand making machine can be monitored on line through a dynamic balancing instrument arranged in a monitoring room, and the vibration value, the radial vibration direction and the axial vibration position of the crushing and sand making machine are measured in an actual way; when the vibration value is larger than the standard value, the overweight/lightest point and the magnitude of the rotary body of the crushing sand making machine can be found conveniently by detecting data, and a reliable basis is provided for balancing the rotary body of the crushing sand making machine.
2. Because the upper plane of the hammer body is processed with a reverse cone-shaped groove with a certain shape, a plurality of mounting holes are reserved on the groove, and the groove is provided with standard weight iron, when the balance of the crushing sand making machine is adjusted, the weight can be selectively weighted at the required position on 1 (or 2) hammer bodies needing to be weighted according to the required weighting value, and the balance is in place at one time, so that the balance adjustment is very simple, the balance time is shortened, and the labor intensity of the balance is reduced.
The invention is further described below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an upper hammer body and an upper hammer head according to the present invention;
FIG. 3 is a schematic view of the structure of the weight iron of the present invention;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is an enlarged view of the portion B of FIG. 2;
FIG. 6 is a rotated view A-A of FIG. 4;
FIG. 7 is a cross-sectional view of a T-shaped slot of the hammer body;
FIG. 8 is a cross-sectional view of a hammer block dovetail slot;
FIG. 9 is a cross-sectional view of the circular slot formed in the hammer block;
FIG. 10 is a cross-sectional view of an elliptical hole slot formed in the hammer block;
FIG. 11 is a cross-sectional view of the square hole slot formed in the hammer block;
FIG. 12 is a schematic view of an orientation sensor of the present invention mounted on the outer surface of the inner race of a pulley groove;
FIG. 13 is a schematic view of an orientation sensor of the present invention mounted at the bottom of the inner race of a pulley groove;
FIG. 14 is a schematic view of an orientation sensor of the present invention mounted on the inner surface of the inner race of a pulley groove.
Detailed Description
Example 1:
as shown in fig. 1, a crusher with a rotor balancing system comprises a discharge hopper 1, a hammer body 2, a hammer head 3, a rotating shaft 4, a belt pulley 5, a lining plate 6, an outer cylinder 7, a base 8, a counterweight device, a dynamic balance tester 10, a vibration sensor 11 and a rotating speed sensor 12. Hopper 1 installs on base 8 through outer barrel 7 down, and pivot 4 installs in outer barrel 7 through the pivot seat, and belt pulley 5 is located hopper 1 down and installs in 4 upper ends of pivot, and welt 6 installs at outer barrel 7 inner wall.
The hammer body comprises an upper hammer body 21, a middle hammer body 22 and a lower hammer body 23, and the upper hammer body 21, the middle hammer body 22 and the lower hammer body 23 are sequentially arranged on the rotating shaft 4 from top to bottom; the hammer comprises an upper hammer 31, a middle hammer 32 and a lower hammer 33, wherein the upper hammer 31, the middle hammer 32 and the lower hammer 33 are respectively arranged on the upper hammer body 21, the middle hammer body 22 and the lower hammer body 23.
The dynamic balance tester 10 is installed in a monitoring room, is connected with the vibration sensor 11 and the rotating speed and direction sensor 12 by signal lines, can be matched with other parameters of a rotating body of the crushing sand making machine for monitoring together, and is connected with the vibration sensor 11 and the rotating speed and direction sensor 12 by sensing lines.
The number of the vibration sensors is 2 (as shown in figure 1), and the vibration sensors are fixedly arranged on a rotating body outer cylinder 7 of the crushing sand making machine or are adsorbed on the rotating body outer cylinder 7 of the crushing sand making machine by adopting a magnetic material; the rotational speed sensor is arranged on the inner surface of a lower hopper 1 of the crushing sand making machine, the orientation sensor is arranged on the outer surface of a groove inner ring of a belt pulley 5 of the crushing sand making machine (as shown in figure 12), the bottom of the groove inner ring of the belt pulley 5 of the crushing sand making machine (as shown in figure 13) can also be arranged, or the inner surface of the groove inner ring of the belt pulley 5 of the crushing sand making machine (as shown in figure 14), the rotational speed sensor is accurately aligned with a visible mirror of the sensor, and the rotational speed sensor receives signals once when the rotating body rotates once.
As shown in fig. 3-11, the counterweight device includes a counterweight iron 91, a backing plate 92 and a fastening bolt 93, the counterweight iron 91 is arc-shaped and is adapted to the arc shape of the slot 21 on the hammer body 2 of the crushing sand making machine, the counterweight iron 91 is conical in front view, the bottom of the counterweight iron 91 is provided with an arc-shaped positioning rib, the counterweight iron is installed on the hammer body 2, the backing plate 92 with screw holes is placed in the slot 21 on the upper plane of the hammer body 2, a plurality of counterweight irons 91 with different sizes are placed on the slot 21, and the bolt 93 penetrates through the counterweight iron 91 and is screwed on the backing plate 92 to fix the counterweight iron 91 on the hammer body 2.
The balance weight irons 91 are made into standard shapes with the same shape and different sizes. The weight standard of the weight iron 91 is 5, 2.5, 1, 0.5, 0.25, 0.1 KG.
The groove 21 formed in the hammer body 2 is a T-shaped groove (as shown in FIGS. 6-7) or a dovetail groove (as shown in FIG. 8), the groove 21 is formed with a circular hole 22 (as shown in FIG. 9), an elliptical hole 23 (as shown in FIG. 10) or a square hole 24 (as shown in FIG. 11), the depth of the circular hole 22, the elliptical hole 23 or the square hole 24 is 1-1.1 times the depth of the groove 21, and the diameter of the circular hole 22, the short side of the elliptical hole 23 or the width of the square hole 24 is 1-1.2 times the maximum width of the bottom of the groove 21.
The grooves 21 are provided with 4 holes and are evenly distributed over the circumference of the hammer body 2 (as shown in fig. 2).
The shape of the shim plate 92 is the same T-shape or dovetail shape as the slot 21; the tie plates 92 and the fastening bolts 93 are standard weights, and the standard weight of one tie plate 92 after the fastening bolts 93 are screwed is 0.1KG in total.
When 1 vibration sensor is arranged, the dynamic balancing instrument can monitor the vibration value of the gravity center plane of the rotating body of the crushing sand making machine on line, and can monitor the position and the quantity value of the rotating body of the crushing sand making machine on line by depending on the rotating speed and the position sensor. When the rotating body is balanced, the weight removal and/or the weight increase treatment can be carried out according to the weight deviation/weight deviation direction and magnitude measured by the dynamic balancing instrument; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; the weighting is a common mode, and can be carried out by adopting modes of welding, riveting weight irons and the like, and also can be carried out by adopting a mode of fixedly connecting the weight irons through threads; the invention recommends a mode of fixedly connecting the counterweight iron by screw threads, wherein a similar inverted cone-shaped groove is processed on the upper surface of the hammer body, a plurality of holes are formed on the groove, a sizing block with the same shape as the groove is put into the hole of the side needing to be weighted and is moved to the position needing to be weighted, 1 counterweight block (comprising the weight of accessories such as bolt gaskets and the like) with the weight equal to the light weight is found from a standard weighting block and is fastened on the hammer body by bolts, and the counterweight block is formed in a balanced way at one time.
When 2 vibration sensors are arranged, the vibration sensors are arranged at two ends of the gravity center of the rotating body of the crushing sand making machine, and the respective weight/weight directions and the respective magnitude values of the two ends of the rotating body of the crushing sand making machine along the axial direction can be respectively measured; the operation of removing weight and/or adding weight can be respectively carried out along the two axial ends of the rotating body of the crushing sand making machine, so that the vibration value of the crushing sand making machine is controlled to be smaller. At the moment, the dynamic balancing instrument can monitor the vibration values of the two ends of the gravity center of the rotating body of the crushing sand making machine along the axial direction on line, and can monitor the position and the magnitude of the weight bias/the light bias of the two ends of the rotating body of the crushing sand making machine along the axial direction of the gravity center on line by means of the rotating speed and the orientation sensor. When the rotating body is balanced, the weight removal and/or the weight addition treatment can be carried out according to the respective weight/weight directions and the magnitude values at the two ends of the gravity center measured by the dynamic balancing instrument; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; the weighting is a common mode, and can be carried out by welding, riveting a weight iron and the like, and can also be carried out by fixedly connecting the weight iron by threads. The invention recommends the way of fixedly connecting the counterweight iron by screw threads, processes a similar inverted cone-shaped groove on the upper surface of each hammer body, opens a plurality of holes on the groove, puts the sizing block with the same shape as the groove into the hole of one side of the hammer body to be weighted, moves to the position to be weighted, finds 1 (or several combined) counterweight blocks with the weight (including the weight of accessories such as bolt gaskets) equal to the lighter weight from the standard counterweight block and fastens the counterweight blocks on the hammer body by bolts; the other weight is weighted in the same way as the previous weight. Because 2 vibration sensors are adopted to measure the three-dimensional unbalance of the rotating body, the balance effect is better, and the vibration value is less during working.
Claims (10)
1. The utility model provides a breaker with balanced system of rotary body which characterized by: the device comprises a discharging hopper, a hammer body, a hammer head, a rotating shaft, a belt pulley, a lining plate, an outer cylinder body, a base, a counterweight device, a dynamic balance tester, a vibration sensor and a rotating speed sensor; the blanking hopper is arranged on the base through the outer cylinder, the rotating shaft is arranged in the outer cylinder through the rotating shaft seat, the belt pulley is positioned in the blanking hopper and arranged at the upper end of the rotating shaft, and the lining plate is arranged on the inner wall of the outer cylinder; the dynamic balance tester is arranged in a monitoring room, is connected with the vibration sensor and the rotating speed and direction sensor by signal wires, can be matched with other parameters of a rotating body of the crushing sand making machine for monitoring together, and is connected with the vibration sensor and the rotating speed and direction sensor by sensing wires; the vibration sensors are provided with 1 or more vibration sensors, and the vibration sensors are fixedly arranged on the outer rotating body cylinder of the crushing sand making machine or are adsorbed on the outer rotating body cylinder of the crushing sand making machine by adopting a magnetic material; the rotating speed sensor is arranged on the inner surface of a discharging hopper of the crushing sand making machine, the direction sensor is arranged on a belt pulley of the crushing sand making machine and accurately aligned with a visible mirror of the sensor, and the rotating speed sensor receives a signal once when the rotating body rotates for one circle.
2. The crusher with a rotor balancing system as claimed in claim 1, wherein: the azimuth sensor is arranged on the outer surface of the inner ring of the belt pulley groove of the crushing sand making machine, or the bottom of the inner ring of the belt pulley groove of the crushing sand making machine, or the inner surface of the inner ring of the belt pulley groove of the crushing sand making machine.
3. A crusher with a rotor balancing system as claimed in claim 1 or 2, characterized in that: the hammer body comprises an upper hammer body, a middle hammer body and a lower hammer body, and the upper hammer body, the middle hammer body and the lower hammer body are sequentially arranged on the rotating shaft from top to bottom; the hammer head comprises an upper hammer head, a middle hammer head and a lower hammer head, and the upper hammer head, the middle hammer head and the lower hammer head are respectively arranged on the upper hammer body, the middle hammer body and the lower hammer body.
4. A crusher with a rotor balancing system as claimed in claim 1 or 2, characterized in that: the counterweight device comprises counterweight iron, a base plate and a fastening bolt, wherein the counterweight iron is arc-shaped and is adaptive to the arc shape of a slot formed on a hammer body of the crushing sand making machine, the counterweight iron is conical in front view, an arc-shaped positioning rib is arranged at the bottom of the counterweight iron and is arranged on the hammer body, the base plate with a screw hole is arranged in the slot on the upper plane of the hammer body, 1 to a plurality of pieces of counterweight iron with different sizes are arranged on the slot, and the bolt penetrates through the counterweight iron and is screwed on the base plate to fix the counterweight iron on the hammer body; the counterweight irons are made into standard shapes with the same shape and different sizes; the weight standard of the balance weight iron is 5, 2.5, 1, 0.5, 0.25 and 0.1 KG; the shape of the backing plate is a T shape or a dovetail shape which is the same as the shape of the groove; the backing plates and the fastening bolts are standard weights, and the sum of the standard weights of one backing plate after the fastening bolts are screwed is 0.1 KG; the groove formed in the hammer body is a T-shaped groove or a dovetail groove, a round hole, an elliptical hole or a square hole is formed in the groove, the depth of the round hole, the depth of the elliptical hole or the square hole is 1-1.1 times of the depth of the groove, and the diameter of the round hole, the width of the short square hole or the square hole of the elliptical hole is 1-1.2 times of the maximum width of the groove bottom; the number of the holes formed on the groove is 4, and the holes are uniformly distributed on the circumference of the hammer body.
5. A crusher with a rotor balancing system as claimed in claim 3, wherein: the counterweight device comprises counterweight iron, a base plate and a fastening bolt, wherein the counterweight iron is arc-shaped and is adaptive to the arc shape of a slot formed on a hammer body of the crushing sand making machine, the counterweight iron is conical in front view, an arc-shaped positioning rib is arranged at the bottom of the counterweight iron and is arranged on the hammer body, the base plate with a screw hole is arranged in the slot on the upper plane of the hammer body, 1 to a plurality of pieces of counterweight iron with different sizes are arranged on the slot, and the bolt penetrates through the counterweight iron and is screwed on the base plate to fix the counterweight iron on the hammer body; the counterweight irons are made into standard shapes with the same shape and different sizes; the weight standard of the balance weight iron is 5, 2.5, 1, 0.5, 0.25 and 0.1 KG; the shape of the backing plate is a T shape or a dovetail shape which is the same as the shape of the groove; the backing plates and the fastening bolts are standard weights, and the sum of the standard weights of one backing plate after the fastening bolts are screwed is 0.1 KG; the groove formed in the hammer body is a T-shaped groove or a dovetail groove, a round hole, an elliptical hole or a square hole is formed in the groove, the depth of the round hole, the depth of the elliptical hole or the square hole is 1-1.1 times of the depth of the groove, and the diameter of the round hole, the width of the short square hole or the square hole of the elliptical hole is 1-1.2 times of the maximum width of the groove bottom; the number of the holes formed on the groove is 4, and the holes are uniformly distributed on the circumference of the hammer body.
6. A balance adjustment method of a crushing sand making machine is characterized by comprising the following steps: the method comprises the following steps that a vibration sensor and a rotating speed and direction sensor are installed on a rotating body of the crushing sand making machine, signals of the sensors are connected into a dynamic balance tester, and vibration parameters, rotating speed, and overweight/or lightest direction and magnitude values of the rotating body of the crushing sand making machine during working are monitored on line; when the vibration exceeds the set standard value, the machine can be stopped to accurately find out the heavy/light direction and magnitude value to carry out quantitative weight removal/weight addition, and the normal requirement is met when the machine works again.
7. The balance adjustment method of the crushing sand making machine according to claim 6, which is characterized in that: the rotating speed sensor is arranged on the inner surface of a discharging hopper of the crushing sand making machine, the direction detector is arranged on a belt pulley of the crushing sand making machine, or a magnetic material is adsorbed on the surface of an inner ring of a belt pulley groove of the crushing sand making machine and accurately aligned with a visible mirror of the sensor, so that the sensor receives a signal once when the rotating body rotates for one circle.
8. The balance adjustment method of a crushing sand making machine according to claim 6 or 7, which is characterized in that: 1-2 vibration sensors are arranged and fixedly mounted on the outer rotary body cylinder of the crushing sand making machine or adsorbed on the outer rotary body cylinder of the crushing sand making machine by adopting a magnetic material; when 1 vibration sensor is arranged, the vibration sensor is arranged at a position near the gravity center of the rotating body of the crushing sand making machine, the direction and the magnitude of the unbalance weight/or the unbalance weight of the rotating body of the crushing sand making machine within 360 degrees of the circumference of a gravity center plane can be measured, and the operation of removing the weight/or the weight can be carried out at any position of the rotating body of the crushing sand making machine in the axial direction; when 2 vibration sensors are arranged, the vibration sensors are arranged at two ends of the gravity center of the rotating body of the crushing sand making machine, and the respective weight/weight directions and the respective magnitude values of the two ends of the rotating body of the crushing sand making machine along the axial direction can be respectively measured; the operation of removing weight and/or adding weight can be respectively carried out along the two axial ends of the rotating body of the crushing sand making machine, so that the vibration value of the crushing sand making machine is controlled to be smaller.
9. The balance adjustment method of a crushing sand making machine according to claim 6 or 7, which is characterized in that: the dynamic balance tester is placed in a monitoring room, is connected with the vibration sensor and the rotating speed and direction sensor by signal lines, and can be matched with other parameters of a rotating body of the crushing sand making machine for monitoring; when 1 vibration sensor is adopted, the dynamic balancing instrument can monitor the vibration value of the gravity center plane of the rotating body of the crushing sand making machine on line, the heavier/lighter direction and magnitude of the rotating body of the crushing sand making machine can be monitored on line by depending on the rotating speed and the direction sensor, and the weight removal/weighting treatment can be carried out according to the heavier/lighter direction and magnitude measured by the dynamic balancing instrument when the rotating body is balanced; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; weighting is a common mode, can adopt modes such as welding, riveting weight iron and the like, can also adopt a mode of fixedly connecting the weight iron by threads, a similar inverted cone-shaped groove is processed on the upper surface of a hammer body, a plurality of holes are formed on the groove, a sizing block with the same shape as the groove is put in the hole of one side to be weighted and is moved to the position to be weighted, 1 or more combined and superposed weights are found from a standard weighting block, the weight block comprising a bolt gasket accessory with the weight equal to the lighter weight is fastened on the hammer body by a bolt, and the one-step balanced forming is carried out; when 2 vibration sensors are adopted, the dynamic balancing instrument can monitor the vibration values of the two ends of the gravity center of the rotating body of the crushing sand making machine along the axial direction on line, and can monitor the directions and the magnitude values of the overweight/lighteness of the rotating body of the crushing sand making machine along the two ends of the gravity center axial direction on line by means of the rotating speed and the direction sensors; when the rotating body is balanced, the weight removal and/or the weight addition treatment can be carried out according to the respective weight/weight directions and the magnitude values at the two ends of the gravity center measured by the dynamic balancing instrument; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; weighting is a common mode, and can be carried out by welding, riveting weight irons and the like, or can be carried out by fixedly connecting the weight irons by threads, a similar inverted-cone-shaped groove is processed on the upper surface of each hammer body, a plurality of holes are formed in the groove, a sizing block with the same shape as the groove is placed in one hole of the hammer body to be weighted and is moved to the position to be weighted, 1 or more combined weights are found from a standard weighting block, and the weighting block which comprises a bolt gasket accessory and has the weight equal to the lighter weight is fastened on the hammer body by bolts.
10. The balance adjustment method of a crushing sand making machine according to claim 8, which is characterized in that: the dynamic balance tester is placed in a monitoring room, is connected with the vibration sensor and the rotating speed and direction sensor by signal lines, and can be matched with other parameters of a rotating body of the crushing sand making machine for monitoring; when 1 vibration sensor is adopted, the dynamic balancing instrument can monitor the vibration value of the gravity center plane of the rotating body of the crushing sand making machine on line, the heavier/lighter direction and magnitude of the rotating body of the crushing sand making machine can be monitored on line by depending on the rotating speed and the direction sensor, and the weight removal/weighting treatment can be carried out according to the heavier/lighter direction and magnitude measured by the dynamic balancing instrument when the rotating body is balanced; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; weighting is a common mode, can adopt modes such as welding, riveting weight iron and the like, can also adopt a mode of fixedly connecting the weight iron by threads, a similar inverted cone-shaped groove is processed on the upper surface of a hammer body, a plurality of holes are formed on the groove, a sizing block with the same shape as the groove is put in the hole of one side to be weighted and is moved to the position to be weighted, 1 or more combined and superposed weights are found from a standard weighting block, the weight block comprising a bolt gasket accessory with the weight equal to the lighter weight is fastened on the hammer body by a bolt, and the one-step balanced forming is carried out; when 2 vibration sensors are adopted, the dynamic balancing instrument can monitor the vibration values of the two ends of the gravity center of the rotating body of the crushing sand making machine along the axial direction on line, and can monitor the directions and the magnitude values of the overweight/lighteness of the rotating body of the crushing sand making machine along the two ends of the gravity center axial direction on line by means of the rotating speed and the direction sensors; when the rotating body is balanced, the weight removal and/or the weight addition treatment can be carried out according to the respective weight/weight directions and the magnitude values at the two ends of the gravity center measured by the dynamic balancing instrument; the position difference between the weight removal and the weight addition is 180 degrees, and the weight removal is carried out by adopting the modes of metal cutting, gas cutting electric cutting and the like; weighting is a common mode, and can be carried out by welding, riveting weight irons and the like, or can be carried out by fixedly connecting the weight irons by threads, a similar inverted-cone-shaped groove is processed on the upper surface of each hammer body, a plurality of holes are formed in the groove, a sizing block with the same shape as the groove is placed in one hole of the hammer body to be weighted and is moved to the position to be weighted, 1 or more combined weights are found from a standard weighting block, and the weighting block which comprises a bolt gasket accessory and has the weight equal to the lighter weight is fastened on the hammer body by bolts.
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| CN201910402531 | 2019-05-14 | ||
| CN2019104025316 | 2019-05-14 |
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| CN113567049A (en) * | 2021-09-26 | 2021-10-29 | 山东郯工液压科技有限公司 | Static balance test tool for multi-cylinder hydraulic cone crusher |
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Application publication date: 20201117 |