CN213148974U - Magnetic force fixed point belt speed measuring device - Google Patents

Abstract

The utility model provides a magnetic force fixed point belt speed sensor, includes the device support, device support tip is equipped with the conveying roller axle, the conveyer belt has been cup jointed on the conveying roller axle, be equipped with bearing roller support group in the middle of the device support, be equipped with the bearing roller group on the bearing roller support group, be equipped with the stopper on the device support, device support below is equipped with the lift seat, be equipped with lifting threaded rod in the lift seat just lifting threaded rod connects the lift backup pad, be equipped with the backup pad that tests the speed in the backup pad, be equipped with the back shaft in the backup pad that tests the speed, the cover has the driving roller axle in the middle of the back shaft, driving roller axle tip is equipped with the tachometer wheel, the other time-recorder that is equipped with of tachometer wheel, be. The utility model discloses a lift seat supports for carry out speed sensor ground installation and dismantlement during the pay-off, the stopper makes between driving roller axle and the conveyer belt laminating closely and reduce the influence to the conveyer belt.

Description

Magnetic force fixed point belt speed measuring device

Technical Field

The utility model relates to a belt weigher speed sensor technical field especially relates to a magnetic force fixed point belt speed sensor.

Background

The belt scale consists of a bearing device, a weighing sensor, a speed sensor and a weighing display. When weighing, the weight of the material on the belt is transferred to the weighing sensor by the bearing device, the weighing sensor outputs a voltage (mV) signal which is proportional to the gravity of the material, the mV signal is amplified by an amplifier and then sent to an analog/digital converter to be changed into a digital quantity A, and the digital quantity A is sent to an arithmetic unit; after the material speed is input into the speed sensor, the speed sensor outputs the pulse number B and also sends the pulse number B to the arithmetic unit; the calculator calculates A, B to obtain the material amount of the measuring period. And accumulating every measuring period to obtain the total amount of the materials continuously passing through the belt.

In the prior art, a belt scale generally obtains a belt transmission speed by measuring a rotating speed of a motor, but the belt is loosened due to the fact that materials are conveyed by the belt, and then the speeds of the belt and the belt are inconsistent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a magnetic fixed-point belt speed measuring device.

A magnetic force fixed-point belt speed measuring device is characterized by comprising a device support, wherein a conveying roller shaft is arranged at the end part of the device support, a conveying belt is sleeved on the conveying roller shaft, a carrier roller support group is arranged in the middle of the device support, a carrier roller group is arranged on the carrier roller support group, the carrier roller group is arranged in the middle of the conveying belt, a limiting block is arranged on the device support, a lifting seat is arranged below the device support at the limiting block, a lifting threaded rod is arranged in the lifting seat and connected with a lifting support plate, a speed measuring support plate is arranged on the support plate, a support shaft is arranged on the speed measuring support plate, a transmission roller shaft is sleeved in the middle of the support shaft, a speed measuring wheel is arranged at the end part of the transmission roller shaft, a timer is arranged beside the speed measuring wheel, a pressing timing sensor is arranged, the second reset spring is connected with a sliding pressing block, and the sliding pressing block and the speed measuring wheel are both provided with magnet blocks.

Preferably, be equipped with fixed spout in the lift backup pad, the outer end side of fixed spout is equipped with the spacing groove, the backup pad one end side of testing the speed is equipped with the handle, the backup pad of testing the speed the handle end is equipped with stop gear, stop gear is equipped with the spout, the spout is connected and is stirred the groove, be equipped with the gag lever post in the spout, first reset spring is connected to the gag lever post inner, stir the inslot and be equipped with the stirring piece, stir the piece with the gag lever post is connected.

Preferably, the toggle groove is arranged outside the end part of the handle.

Preferably, the limiting block is provided with a guide groove, the width of the guide groove is equal to the diameter of the supporting shaft, and a pressure sensor is arranged in the top end of the guide groove.

Preferably, the timer and the speed measuring wheel are a group of speed measuring devices and are provided with two groups.

Preferably, the carrier roller support group and the carrier roller group are matched and at least provided with one group, the carrier roller support group is provided with an outer carrier roller support and an inner carrier roller support, the number of the outer carrier roller supports and the number of the inner carrier roller supports are two, the number of the carrier rollers in each group is three, the inner carrier roller support is arranged on a support fixing plate, and the end part of the support fixing plate is connected with the outer carrier roller support.

The utility model has the advantages that:

the speed measuring device is supported by the lifting seat, so that the condition that the device needs to be mounted, overhauled and disassembled to be stopped is avoided, and the operation efficiency and the production efficiency of the equipment are effectively ensured; the transmission roller shaft is prevented from rising too high through the limiting block and the pressure sensor in the limiting block, so that the transmission belt is tensioned and the transmission efficiency is influenced; all be equipped with the magnet piece on through the flywheel and the slip briquetting, make slip briquetting income through magnetic force, and then touch and press the timing sensor and carry out the time point record, conveniently carry out data storage and operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the elevating support plate;

FIG. 4 is an enlarged view of circle A in FIG. 3;

labeled as: 1-device support, 2-conveying roller shaft, 3-conveying belt, 4-outer support roller, 5-support roller group, 6-inner support roller, 7-support fixing plate, 8-feeding hopper, 9-lifting seat, 10-lifting threaded rod, 11-lifting support plate, 12-speed measuring support plate, 13-conveying roller shaft, 14-support shaft, 15-handle, 16-shifting block, 17-shifting groove, 18-limiting groove, 19-limiting rod, 20-sliding groove, 21-first return spring, 22-speed measuring wheel, 23-magnet block, 24-timer, 25-pressing timing sensor, 26-sliding pressing block, 27-second return spring and 28-limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

According to shown in fig. 1-4, a magnetic force fixed point belt speed measuring device includes device support 1, and device support 1 tip is equipped with conveying roller 2, has cup jointed conveyer belt 3 on the conveying roller 2, and the conveying front end top of conveyer belt 3 is equipped with feeder hopper 8. Be equipped with bearing roller support group in the middle of device support 1, be equipped with bearing roller group 5 on the bearing roller support group, bearing roller group 5 is established in the middle of conveyer belt 3, be equipped with stopper 28 on the device support 1, device support 1 below at stopper 28 department is equipped with lift seat 9, be equipped with lifting screw rod 10 and lifting screw rod 10 connection lift backup pad 11 in the lift seat 9, be equipped with the backup pad 12 that tests the speed in the backup pad, be equipped with back shaft 14 in the backup pad that tests the speed, back shaft 14 middle drive roll axle 13 has been cup jointed, drive roll axle 13 tip is equipped with velocity-measuring wheel 22, the other time-recorder 24 that is equipped with of velocity-measuring wheel 22, be equipped with in the time-recorder 24 and press timing sensor 25, press timing sensor 25 and establish in second reset spring 27, second reset spring 27 connects slip briquetting 26.

Be equipped with fixed spout 20 on the lift backup pad 11, the outer end side of fixed spout 20 is equipped with spacing groove 18, the backup pad 12 one end side of testing the speed is equipped with handle 15, the 15 ends of handle of backup pad 12 that tests the speed are equipped with stop gear, stop gear is equipped with spout 20, spout 20 is connected and is stirred groove 17, is equipped with gag lever post 19 in the spout 20, gag lever post 19 the inner first reset spring 21 of connection, stir and be equipped with in the groove 17 and stir the piece 16, stir the piece 16 and be connected with gag lever post 19.

The carrier roller support group and the carrier roller group 5 are matched and at least provided with one group, the carrier roller support group is provided with an outer carrier roller support 4 and an inner carrier roller support 6, the number of the outer carrier roller support 4 and the number of the inner carrier roller support 6 are two, the number of the carrier rollers in each group is three, the inner carrier roller support 6 is arranged on a support fixing plate 7, and the end part of the support fixing plate 7 is connected with the outer carrier roller support 4.

The working principle is as follows: the speed measuring support plate 12 is fixed on the lifting support plate 11 through a fixed sliding groove and a limiting mechanism at the end part of the speed measuring support plate 12. When the handle 15 is detached, the handle 15 is held by two hands, the thumb moves the toggle block 16 along the toggle groove 17, the limiting rod 19 is driven to be collected into the sliding groove 20, and the handle 15 can be used for dragging. When the device is installed, the end part of the limiting rod 19 is aligned with the limiting groove 18, the hand is loosened, and the first return spring 21 pushes the end part of the limiting rod 19 into the limiting groove 18.

The lifting seat 9 enables the lifting support plate 11 to push up the speed measuring device through the lifting threaded rod 10. The end of the supporting shaft 14 is embedded into the guide groove of the stopper 28, and whether the supporting shaft contacts the conveyor belt 3 is judged by the pressure change of the pressure sensor. When the values of the pressure sensor decrease from front to back, the transmission roller shaft 13 comes into contact with the conveyor belt 3.

When the magnet block 23 on the tachometer wheel 22 rotates and the magnet block 23 on the timer 24 repel each other through magnetic force, the magnetic force is maximum, so that the sliding press block 26 touches and presses the timing sensor 25, and the time is recorded. The time difference is calculated by the system and the rotational speed is calculated from the sectional circumference of the driving roller shaft 13.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A magnetic force fixed-point belt speed measuring device is characterized by comprising a device support, wherein a conveying roller shaft is arranged at the end part of the device support, a conveying belt is sleeved on the conveying roller shaft, a carrier roller support group is arranged in the middle of the device support, a carrier roller group is arranged on the carrier roller support group, the carrier roller group is arranged in the middle of the conveying belt, a limiting block is arranged on the device support, a lifting seat is arranged below the device support at the limiting block, a lifting threaded rod is arranged in the lifting seat and connected with a lifting support plate, a speed measuring support plate is arranged on the support plate, a support shaft is arranged on the speed measuring support plate, a transmission roller shaft is sleeved in the middle of the support shaft, a speed measuring wheel is arranged at the end part of the transmission roller shaft, a timer is arranged beside the speed measuring wheel, a pressing timing sensor is arranged, the second reset spring is connected with a sliding pressing block, and the sliding pressing block and the speed measuring wheel are both provided with magnet blocks.

2. A magnetic force fixed point belt speed measuring device according to claim 1, wherein a fixed chute is provided on said lifting support plate, a limit groove is provided on the outer end side of said fixed chute, a handle is provided on one end side of said speed measuring support plate, a limit mechanism is provided on said handle end of said speed measuring support plate, a chute is provided on said limit mechanism, a toggle groove is connected to said chute, a limit rod is provided in said chute, a first return spring is connected to the inner end of said limit rod, a toggle block is provided in said toggle groove, and said toggle block is connected to said limit rod.

3. A magnetic force fixed point belt speed measuring device according to claim 2, wherein said toggle groove is provided outside of said handle end portion.

4. A magnetic force fixed point belt speed measuring device according to claim 1, wherein said limiting block is provided with a guide groove, the width of said guide groove is equal to the diameter of said supporting shaft, and a pressure sensor is provided in the top end of said guide groove.

5. A magnetic fixed point belt speed measuring device as claimed in claim 1, wherein said timer and speed measuring wheel are a set of speed measuring device and there are two sets.

6. A magnetic fixed-point belt speed measuring device as claimed in claim 1, wherein said set of idler supports and said set of idler supports are matched and each have at least one set, said set of idler supports has an outer idler support and an inner idler support, said outer idler support and said inner idler support each have two, each set of idler has three, said inner idler support is provided on a support fixing plate, said support fixing plate is connected to said outer idler support at its end.

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