CN210464618U - Non-contact speed measuring device of electronic belt scale - Google Patents
Non-contact speed measuring device of electronic belt scale Download PDFInfo
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- CN210464618U CN210464618U CN201920771238.2U CN201920771238U CN210464618U CN 210464618 U CN210464618 U CN 210464618U CN 201920771238 U CN201920771238 U CN 201920771238U CN 210464618 U CN210464618 U CN 210464618U
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Abstract
The utility model provides an electronic belt conveyor scale contactless speed sensor, belongs to electronic belt batching balance equipment technical field for the electronic batching balance speed of sintering batching is tested. The technical scheme is as follows: the speed measuring roller is connected as an organic whole with the drum shaft, install respectively in two drum shaft sleeves at the both ends of drum shaft, two drum shaft sleeves are fixed on the batching scale support of belt both sides through the base respectively, the speed measuring disc diameter is the same with the speed measuring roller diameter, the bottom surface and the speed measuring roller terminal surface welded connection of speed measuring disc, the quotation circumference equipartition of speed measuring disc has the tooth of testing the speed, the lower extreme of adjustable support is fixed on the drum shaft sleeve, the upper end installation speed measuring probe of adjustable support, speed measuring probe is relative with the circumference speed measuring tooth of speed measuring disc, speed measuring probe's signal output part is connected with the electronic belt weig. The utility model has the advantages of being simple in structure and convenient in operation, the test is stable, has avoided speed sensor and drive disk assembly to contact, has reduced manufacturing cost, has improved speed sensor's reliability and life by a wide margin.
Description
Technical Field
The utility model relates to an electronic belt conveyor scale contactless speed sensor for sintering batching belongs to electronic belt conveyor scale equipment technical field.
Background
The electronic belt scale is a weighing apparatus for automatically and continuously weighing bulk materials conveyed by a belt conveyor. The belt conveyor mainly comprises a conveying belt, a belt conveyor frame, a weighing support, a weighing sensor, a speed measuring carrier roller, a speed measuring sensor and a belt scale main machine. The electronic belt scale provides data for key technological processes such as proportioning, calculation and the like in sintering production, so that the electronic belt scale plays a vital role in normal sintering production in a sintering area. Because the electronic belt scale belongs to a dynamic scale, the electronic belt scale is influenced by a plurality of factors, and has high requirement on the metering precision. The main materials weighed in the sintering area are fine block-shaped or powdery materials such as uniformly mixed ore, coke powder, white coal, dust removal ash and the like, and the working environment of the electronic belt scale is complicated and severe.
In actual use, the electronic belt scale aims at carrying out reliable statistics on bulk materials in batching production so as to carry out scientific proportioning and improve the quality and the yield of finished sintered ore products. If the electronic belt scale is unstable, the measured data is inaccurate, and the alkalinity, the granularity, the iron content and other components of the sinter are directly influenced. Some belt feeders in production operate all the time, and electronic belt weigher maintenance, calibration all can influence production normal operating after damaging, cause the enterprise to lose seriously, and the cost that sometimes loses is more than purchasing new electronic belt weigher is very much. Along with the acceleration of production rhythm and the improvement of production efficiency, the requirement is higher and higher to electronic belt speed measurement, and many speed sensor pass through the shaft coupling and the cylinder that tests the speed is connected, produce the not hard up of connecting easily to and the belt skids, faults such as speed sensor axle sealing washer wearing and tearing, ageing all probably cause the inaccurate speed that tests, lead to electronic belt weigher to maintain maintenance work volume big, have influenced the normal operating of production.
The proximity switch is a switch type sensor which can act without contacting with a moving part, has strong vibration resistance and interference resistance and long service life, has the characteristics of water resistance, corrosion resistance and the like, and is suitable for sites with poor environment. With the rapid development of electronic components, the volume of the proximity switch can be designed to be very small, the reliability is very high, and the price is lower, so that the proximity switch is very beneficial to improving the existing electronic belt scale speed measuring device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a non-contact speed sensor of electronic belt scale is provided, this kind of non-contact speed sensor can avoid speed sensor's damage, ensures that electronic belt scale reliably measures weighing the in-process, calculates for electronic belt scale host computer provides reliable actual speed, ensures the accuracy of weighing.
The technical scheme for solving the technical problems is as follows:
the speed measuring device comprises a speed measuring roller, a roller shaft, roller shaft sleeves, an adjustable support, a support fixing bolt, a speed measuring probe, a speed measuring disc, a shaft cover and a batching scale support, wherein the speed measuring roller is arranged below a belt, the surface of the speed measuring roller is tightly contacted with the belt, the belt drives the speed measuring roller to synchronously rotate, the speed measuring roller and the roller shaft are connected into a whole, two ends of the roller shaft are respectively arranged in the two roller shaft sleeves, the shaft cover is fixed on the end surface of the outer side of the roller shaft sleeves, the two roller shaft sleeves are respectively fixed on the batching scale support at two sides of the belt through a base, the diameter of the speed measuring disc is the same as that of the speed measuring roller, the center of the speed measuring disc is superposed with the shaft center of the roller shaft of the speed measuring roller, the bottom surface of the speed measuring disc is welded with the end surface of the speed measuring roller, speed measuring, the probe of the speed measuring probe is opposite to the circumferential speed measuring teeth of the speed measuring disk, and the signal output end of the speed measuring probe is connected with the main machine of the electronic belt scale through a signal line.
Above-mentioned electronic belt scale contactless speed sensor, adjustable support is the steel sheet structure, adjustable support is by the support fixed plate, the connecting plate, probe adjustment mounting panel is constituteed, the face of support fixed plate and probe adjustment mounting panel is parallel, the below and the top at the connecting plate both ends are connected perpendicularly respectively to support fixed plate and probe adjustment mounting panel, the support fixed plate is fixed on the drum shaft sleeve by support fixing bolt, it has vertical rectangle probe mounting groove to open in the middle of the face of probe adjustment mounting panel, the width of probe mounting groove and speed probe's diameter phase-match, speed probe places in the probe mounting groove, there is the screw thread on speed probe's the pipe wall, speed probe fixation nut is fixed with speed probe locking respectively in the both sides of probe adjustment mounting panel.
According to the non-contact speed measuring device for the electronic belt scale, the roller shaft sleeve is a spherical shaft sleeve with a base, the spherical shaft sleeve with the base is sleeved on the front portion of the roller shaft of the speed measuring roller, and the spherical shaft sleeve with the base is fixedly welded on the batching scale supports on the upper side and the lower side of the belt scale.
The utility model has the advantages that:
the utility model discloses a cylinder that tests speed rotates along with the belt feeder, fixes the speed measuring dish of the cylinder axle head that tests speed thereupon and rotates, and proximity switch tests the speed with the circumference on the speed measuring dish tooth relatively, and when the dish that tests speed rotates, proximity switch can send the potentiometric signal of difference in height through testing the speed backlash, carries the speed detection device who gives electronic belt weigher, accomplishes the speed test to electronic belt weigher.
The utility model has the advantages of being simple in structure and convenient in operation, the test is stable, make full use of proximity switch's no mechanical wear, longe-lived characteristics have avoided tacho sensor and drive disk assembly contact, have not only reduced manufacturing cost, can improve speed sensor's reliability and life moreover by a wide margin, have more reduced the loss that maintenance work volume and damage brought, and is high to belt speed, the poor scene of environment, the advantage is more obvious, uses also more and more extensively.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the surface of the tachometer disk;
fig. 3 is a schematic structural view of an adjustable support.
The figures are labeled as follows: speed measuring roller 1, roller shaft 2, roller shaft sleeve 3, adjustable support 4, support fixing bolt 5, speed measuring probe 6, speed measuring probe fixing nut 7, speed measuring disk 8, shaft cover 9, batching scale support 10, support fixing plate 11, connecting plate 12, probe adjusting mounting panel 13.
Detailed Description
The utility model discloses by cylinder 1, drum shaft 2, drum shaft sleeve 3, adjustable support 4, support fixing bolt 5, speed measuring probe 6, speed measuring probe fixation nut 7, speed measuring dish 8, axle cap 9, batching scale support 10 constitutes.
Fig. 1 shows that the speed measuring roller 1 is installed below the belt, the surface of the speed measuring roller 1 is in close contact with the belt, the belt drives the speed measuring roller 1 to rotate synchronously, and the running speed of the belt can be measured by measuring the revolution of the speed measuring roller 1.
Fig. 1 shows that the speed measuring roller 1 and the roller shaft 2 are connected into a whole, two ends of the roller shaft 2 are respectively installed in two roller shaft sleeves 3, a shaft cover is fixed on the outer end face of each roller shaft sleeve 3, the two roller shaft sleeves 3 are spherical shaft sleeves with bases, the spherical shaft sleeves with bases are sleeved on the front portion of the roller shaft (2) of the speed measuring roller (1), and the spherical shaft sleeves with bases are welded and fixed on the batching scale supports 10 on the upper side and the lower side of the belt scale. When the speed measuring roller 1 rotates, the roller shaft sleeve 3 is fixed on the batching scale bracket 10.
Fig. 1 and 2 show that the diameter of the speed measuring disk 8 is the same as that of the speed measuring roller 1, the center of the speed measuring disk 8 coincides with the axis of the roller shaft 2 of the speed measuring roller 1, the bottom surface of the speed measuring disk 8 is welded to the end surface of the speed measuring roller 1, and the speed measuring teeth are evenly distributed on the circumference of the disk surface of the speed measuring disk 8. When the speed measuring roller 1 rotates, the speed measuring disk 8 is driven to rotate synchronously.
Fig. 1 shows that the adjustable bracket 4 is of a steel plate structure, and the adjustable bracket 4 is composed of a bracket fixing plate 11, a connecting plate 12 and a probe adjusting and mounting plate 13. The face of support fixed plate 11 and probe regulation mounting panel 13 is parallel, the below and the top at connecting plate 12 both ends are connected perpendicularly respectively to support fixed plate 11 and probe regulation mounting panel 13, support fixed plate 11 is fixed on cylinder axle sleeve 3 by support fixing bolt 5, it has vertical rectangle probe mounting groove to open in the middle of the face of probe regulation mounting panel 13, the width of probe mounting groove and speed probe 6's diameter phase-match, speed probe 6 places in the probe mounting groove, can adjust speed probe 6's position from top to bottom, there is the screw thread on speed probe 6's the pipe wall, speed probe fixing nut 7 is fixed with speed probe 6 locking respectively in the both sides of probe regulation mounting panel 13. The probe of the speed measuring probe 6 is opposite to the circumferential speed measuring teeth of the speed measuring disk 8, and the signal output end of the speed measuring probe 6 is connected with the electronic belt scale host through a signal line.
Fig. 1 and 2 show that the speed measuring probe 6 is opposite to the position of the speed measuring teeth on the circumference of the speed measuring disk 8, when the speed measuring disk 8 rotates, the speed measuring probe 6 can send out different electric potential signals through the speed measuring teeth gap, the speed measuring probe 6 detects the existence of the metal gear of the front speed measuring disk 8, the high level is output when the speed measuring teeth exist, the low level is output when the speed measuring teeth do not exist, along with the rotation of the speed measuring disk 8, the speed measuring probe 6 outputs a rectangular square wave signal, the rectangular square wave signal is provided for the speed detecting device of the electronic belt scale, and the speed test of the electronic belt scale is.
The utility model discloses an embodiment as follows:
the diameter of the speed measuring roller 1 is 210 mm;
the diameter of the roller shaft 2 is 100 mm;
the inner diameter of the roller shaft sleeve 3 is 80mm, the outer diameter is 180mm, and the thickness is 60 mm;
the adjustable bracket 4 is made of a steel plate with the thickness of 3mm and the width of 160mm, a rectangular probe mounting groove with the thickness of 12mm x 70mm is formed in the middle of a probe adjusting mounting plate 13 of the adjustable bracket 4, and the speed measuring probe 6 is horizontally mounted in the probe mounting groove;
the diameter of the shaft cover bolt 5 is phi =8mm, and the height is 200 mm;
the length of the speed measuring probe 6 is 800mm, and the diameter thereof is phi =100 mm;
the model of the two speed measuring probe fixing nuts 7 is phi =100 mm;
the speed measuring disc 8 is made of metal, the surface roughness is processed to be 6.3, 16 speed measuring teeth are arranged on the speed measuring disc 8, the outer diameter of the disc is 210mm, the outer diameter of a toothless disc is 190mm, the outer diameter of a toothed disc is 150mm, and the thickness is 6 mm;
the shaft cover 9 is made of metal and has the diameter of 180 mm;
the burden balance bracket 10 is made of square steel which is distributed on the two sides of the running belt and is 80mm wide, and is divided into an upper layer and a lower layer which are fixed, and the distance between the two layers is 200 mm.
Claims (3)
1. The utility model provides an electronic belt conveyor scale contactless speed sensor which characterized in that: the device comprises a speed-measured roller (1), a roller shaft (2), roller shaft sleeves (3), an adjustable support (4), a support fixing bolt (5), a speed-measuring probe (6), a speed-measuring disc (8), a shaft cover (9) and batching scale supports (10), wherein the speed-measuring roller (1) is arranged below a belt, the surface of the speed-measuring roller (1) is in close contact with the belt, the belt drives the speed-measuring roller (1) to rotate synchronously, the speed-measuring roller (1) and the roller shaft (2) are connected into a whole, two ends of the roller shaft (2) are respectively arranged in the two roller shaft sleeves (3), the shaft cover (9) is fixed on the outer end surface of the roller shaft sleeve (3), the two roller shaft sleeves (3) are respectively fixed on the batching scale supports (10) on two sides of the belt through bases, the diameter of the speed-measuring disc (8) is the same as that of the speed-measuring roller (1), the center of the speed-measuring disc (, the bottom surface and the speed measuring cylinder (1) terminal surface welded connection of dish (8) test the speed, the quotation circumference equipartition of dish (8) tests the speed has the tooth of testing the speed, the lower extreme of adjustable support (4) is fixed on cylinder axle sleeve (3) by support fixing bolt (5), the upper end installation speed probe (6) of adjustable support (4), the probe of speed probe (6) is relative with the circumference speed measuring tooth of dish (8) that tests the speed, the signal output part passing signal line of speed probe (6) is connected with the electronic belt conveyor scale host computer.
2. The non-contact speed measuring device of the electronic belt scale according to claim 1, characterized in that: the adjustable support (4) is of a steel plate structure, the adjustable support (4) is composed of a support fixing plate (11), a connecting plate (12) and a probe adjusting and mounting plate (13), the surfaces of the support fixing plate (11) and the probe adjusting and mounting plate (13) are parallel, the support fixing plate (11) and the probe adjusting and mounting plate (13) are respectively and vertically connected below and above the two ends of the connecting plate (12), the support fixing plate (11) is fixed on a roller shaft sleeve (3) through a support fixing bolt (5), a vertical rectangular probe mounting groove is formed in the middle of the surface of the probe adjusting and mounting plate (13), the width of the probe mounting groove is matched with the diameter of a speed measuring probe (6), the speed measuring probe (6) is placed in the probe mounting groove, the pipe wall of the speed measuring probe (6) is provided with threads, and the speed measuring probe (6) is respectively locked and fixed by the speed measuring probe fixing nuts (7) at the two sides of the probe adjusting and mounting plate (13).
3. The non-contact speed measuring device of the electronic belt scale according to claim 1, characterized in that: the roller shaft sleeve (3) is a spherical shaft sleeve with a base, the spherical shaft sleeve with the base is sleeved on the front part of the roller shaft (2) of the speed measuring roller (1), and the spherical shaft sleeve with the base is welded and fixed on the batching scale supports (10) on the upper side and the lower side of the belt scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771238.2U CN210464618U (en) | 2019-05-27 | 2019-05-27 | Non-contact speed measuring device of electronic belt scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771238.2U CN210464618U (en) | 2019-05-27 | 2019-05-27 | Non-contact speed measuring device of electronic belt scale |
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| Publication Number | Publication Date |
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| CN210464618U true CN210464618U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920771238.2U Active CN210464618U (en) | 2019-05-27 | 2019-05-27 | Non-contact speed measuring device of electronic belt scale |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609405A (en) * | 2020-12-08 | 2022-06-10 | 泰富重工制造有限公司 | Novel downward belt speed testing method |
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2019
- 2019-05-27 CN CN201920771238.2U patent/CN210464618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609405A (en) * | 2020-12-08 | 2022-06-10 | 泰富重工制造有限公司 | Novel downward belt speed testing method |
| CN114609405B (en) * | 2020-12-08 | 2023-07-11 | 泰富重工制造有限公司 | Method for testing speed of downward belt |
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