CN216923954U - Rotor type oil flow indicator with remote transmission signal - Google Patents

Abstract

The utility model relates to the technical field of mechanical equipment lubrication accessories, and provides a rotor type oil flow indicator with a remote transmission signal, which comprises a shell, a rotor mandrel arranged in the shell, and a rotor coaxially arranged with the rotor mandrel, wherein the axis of the rotor mandrel is vertical to the length direction of the shell, the rotor forms a rotating fit with the shell by means of the rotor mandrel, and the key is as follows: the magnetic part is fixed on the blade of the rotor, the Hall element used for inducing a magnetic field generated in the rotating process of the magnetic part is fixed on the shell, and the output end of the Hall element is connected with a control system of the equipment to be detected. The problem of among the correlation technique to some equipment, its operating mode requires that the lubricating oil pressure that the lubricating oil pump provided is not high and the oil stream must not be interrupted in the equipment work, and at this moment, the lubricating oil outlet pressure sensor of configuration often can not play due detection effect on the lubricating oil station, can't learn whether reliable supply of lubricating oil.

Description

Rotor type oil flow indicator with remote transmission signal

Technical Field

The utility model relates to the technical field of mechanical equipment lubrication accessories, in particular to a rotor type oil flow indicator with a remote signal.

Background

The equipment is a carrier for industrial production, good equipment operation depends on good equipment lubrication, lubrication work is correctly performed, lubricating grease is reasonably used, and the method is an effective measure for ensuring normal operation of the equipment, preventing accidents, reducing machine abrasion, prolonging service life and improving production efficiency and working precision of the equipment.

The equipment lubrication means that two friction surfaces are separated by liquid, gas, solid and the like, so that the two friction surfaces are prevented from being in direct contact, and friction and abrasion are reduced. Friction, wear, is one of the three main failure modes (wear, corrosion and fracture) of mechanical parts.

The main role of lubrication is the following six aspects: firstly, the functions of reducing friction and lubricating; cooling; ③ washing action; sealing; fifthly, rust prevention and corrosion prevention; and sixthly, damping and unloading.

Common lubrication modes of equipment include manual lubrication, oil dripping lubrication, splash lubrication, oil ring (chain) with oil lubrication, forced circulation lubrication and the like, and large-scale equipment mostly adopts forced circulation lubrication to meet working condition requirements of abrasion reduction, heat dissipation and the like of the large-scale equipment.

For some equipment, the working condition of the equipment requires that the pressure of lubricating oil provided by a lubricating oil pump is not high and the oil flow cannot be interrupted, at the moment, a lubricating oil outlet pressure sensor arranged on a lubricating oil station cannot always perform due detection function, and whether the lubricating oil is reliably supplied or not cannot be known.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotor type oil flow indicator with a remote transmission signal, which solves the problems that in the related art, for some equipment, the working condition of the equipment requires that the pressure of lubricating oil provided by a lubricating oil pump is not high and the oil flow is not interrupted, and at the moment, a lubricating oil outlet pressure sensor arranged on a lubricating oil station cannot always perform the due detection function and cannot know whether the lubricating oil is reliably supplied or not.

The technical scheme of the utility model is as follows: the utility model provides a take rotor-type oil flow indicator of teletransmission signal, includes the casing, sets up the rotor dabber in the casing and the rotor with the coaxial setting of rotor dabber, and the axis of rotor dabber sets up with the length direction of casing is perpendicular, and the rotor forms normal running fit with the casing with the help of rotor dabber, and the key lies in: the magnetic part is fixed on the blade of the rotor, the Hall element used for inducing a magnetic field generated in the rotating process of the magnetic part is fixed on the shell, and the output end of the Hall element is connected with a control system of the equipment to be detected.

The number of the Hall elements is two, and the two Hall elements are symmetrically arranged on two sides of the rotor mandrel.

A first sealing gasket is arranged between the Hall element and the shell.

The rotor comprises an impeller and a group of blades connected to the outer circumferential surface of the impeller, all the blades are uniformly arranged, each blade is arranged along the tangential direction of the impeller, and a magnetic part is fixed on each blade.

The blade of the rotor is provided with a positioning groove, the magnetic part is arranged in the positioning groove, and the magnetic part is bonded with the blade and is fixedly connected with the blade by means of a fastener.

At least one side of the shell is provided with a sight glass.

The end of the rotor mandrel is of a spherical structure, the two sides of the shell are provided with observation mirrors, the inner wall of each observation mirror is provided with a spherical groove matched with the spherical structure in shape, the end of the rotor mandrel is arranged in the spherical groove and has a rotational degree of freedom, and the rotor is fixedly connected with the rotor mandrel.

The two-stage stepped hole has been seted up on the casing, be first stepped hole and the second stepped hole that is located its outside respectively, and the diameter of second stepped hole is greater than the diameter of first stepped hole, and the diameter of first stepped hole is greater than the casing internal diameter, and the sight glass is located first stepped hole, and threaded connection has the clamp ring in the second stepped hole.

A group of screwing notches are formed in the inner wall of the compression ring, are located at one end, far away from the observation mirror, of the compression ring and are evenly arranged along the circumferential direction.

And a second sealing gasket is arranged between the observation mirror and the shell.

The working principle and the beneficial effects of the utility model are as follows: the method comprises the following steps that a magnetic part is fixed on a blade of a rotor, a Hall element is fixed on a shell, the output end of the Hall element is connected with a control system of equipment to be detected, the rotor rotates in the shell under the pushing of oil flow and drives the magnetic part to rotate synchronously in the working process of the equipment to be detected, the Hall element arranged on the shell can sense the magnetic field of the magnetic part, so that a digital pulse signal is generated and transmitted to the control system of the equipment to be detected, the control system can confirm that lubricating oil is supplied to the equipment to be detected when the lubricating oil stands, and the equipment to be detected can work normally; when the lubricating oil station can not supply lubricating oil to the equipment to be detected, the rotor stops rotating, the magnetic part also stops rotating, the Hall element can not sense the magnetic field of the magnetic part and can not generate a digital pulse signal to be transmitted to a control system of the equipment to be detected, so that the control system can confirm that the lubricating oil station can not supply lubricating oil to the equipment to be detected, the equipment to be detected stops working, the working state of the lubricating oil station can be monitored in real time, and the lubricating oil station is safer and more reliable.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the present invention in one direction.

Fig. 2 is a perspective view of the present invention in another direction.

Fig. 3 is a front view of the present invention.

Fig. 4 is a side view of the present invention.

Fig. 5 is a cross-sectional view of the present invention.

Fig. 6 is a front view of the magnetic member coupled to the rotor in the present invention.

Fig. 7 is a side view of the magnetic member coupled to the rotor in the present invention.

Fig. 8 is a perspective view of a clamp ring of the present invention.

Fig. 9 is a front view of a clamp ring of the present invention.

Fig. 10 is a cross-sectional view of a clamp ring of the present invention.

In the figure: 1. the device comprises a shell, 2, a rotor, 2-1, an impeller, 2-2, blades, 3, a Hall element, 4, a first sealing gasket, 5, a second sealing gasket, 6, a compression ring, 7, an observation mirror, 8, a rotor mandrel, 9, a magnetic part, 10, a fastener, 11, a screwing notch, 12 and a liquid flow direction mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 be included within the scope of protection of the present invention.

The specific embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, is a rotor type oil flow indicator with a remote signal, including a housing 1, a rotor spindle 8 disposed in the housing 1, and a rotor 2 disposed coaxially with the rotor spindle 8, wherein an axis of the rotor spindle 8 is perpendicular to a length direction of the housing 1, the rotor 2 forms a rotating fit with the housing 1 by means of the rotor spindle 8, a magnetic member 9 is fixed on a blade 2-2 of the rotor 2, a hall element 3 for sensing a magnetic field generated during a rotation process of the magnetic member 9 is fixed on the housing 1, and an output end of the hall element 3 is connected with a control system of a device to be detected.

As a further improvement of the present invention, the number of hall elements 3 is two and two hall elements 3 are symmetrically disposed on both sides of the rotor spindle 8. As shown in fig. 1, fig. 2, fig. 3 and fig. 5, under the pushing action of the oil flow, the rotor 2 drives the magnetic member 9 to rotate, the two hall elements 3 can both sense the magnetic field of the magnetic member 9, so as to generate a digital pulse signal and transmit the digital pulse signal to the control system of the device to be detected, when one of the hall elements 3 is damaged and cannot be used, the other hall element 3 can also normally transmit a signal to the control system of the device to be detected, so that the device to be detected can normally work, and the device to be detected can be prevented from being erroneously and emergently shut down or cannot be started.

As a further improvement of the present invention, a first gasket 4 is provided between the hall element 3 and the case 1. As shown in fig. 1, 2, 3, and 5, the first gasket 4 can improve the sealing effect between the hall element 3 and the case 1.

As a further improvement of the utility model, the rotor 2 comprises an impeller 2-1 and a group of blades 2-2 connected to the outer circumferential surface of the impeller 2-1, all the blades 2-2 are uniformly arranged, each blade 2-2 is arranged along the tangential direction of the impeller 2-1, and a magnetic member 9 is fixed on each blade 2-2. As shown in fig. 6, the plurality of magnetic members 9 work together, so that the sensitivity of the oil flow indicator is higher.

As a further improvement of the utility model, a positioning groove is arranged on the blade 2-2 of the rotor 2, the magnetic part 9 is arranged in the positioning groove, and the magnetic part 9 is adhered with the blade 2-2 and fixedly connected with the blade 2-2 by a fastener 10.

As a further improvement of the utility model, a viewing mirror 7 is provided on at least one side of the housing 1. As shown in fig. 4, the rotation speed of the rotor 2 can be observed through the observation mirror 7, and the flow rate of the lubricating oil can be estimated through the rotation speed of the rotor 2, so that the flowing condition of the lubricating oil can be conveniently checked on site.

As a further improvement of the utility model, the end part of the rotor mandrel 8 is in a spherical structure, the two sides of the shell 1 are both provided with the observation mirrors 7, the inner wall of the observation mirror 7 is provided with a spherical groove matched with the spherical structure in shape, the end part of the rotor mandrel 8 is arranged in the spherical groove and has a rotational degree of freedom, and the rotor 2 is fixedly connected with the rotor mandrel 8. As shown in fig. 4 and 7, the spherical structure of the rotor spindle 8 is placed in the spherical groove of the observation mirror 7, and the observation mirror is used for supporting the rotor spindle 8, so that the structure is simpler. The rotor mandrel 8 is a rod-shaped structure made of stainless steel, the observation mirror 7 is a high borosilicate heat-resistant glass viewing mirror, the two are matched to form a jewel bearing structure, and the friction force is extremely small and almost no abrasion occurs.

As a further improvement of the utility model, two stages of stepped holes are arranged on the shell 1, namely a first stepped hole and a second stepped hole positioned on the outer side of the first stepped hole, the diameter of the second stepped hole is larger than that of the first stepped hole, the diameter of the first stepped hole is larger than the inner diameter of the shell 1, the observation mirror 7 is positioned in the first stepped hole, and a compression ring 6 is connected in the second stepped hole in a threaded manner. As shown in fig. 4, the first shoulder hole and the second shoulder hole that communicate with the inside of casing 1 are all offered simultaneously to the left and right sides of casing 1, place observation mirror 7 in first shoulder hole, then with clamp ring 6 precession second shoulder hole, make clamp ring 6 and 1 threaded connection of casing to compress tightly observation mirror 7 can, easy dismounting is swift, labour saving and time saving.

As a further improvement of the present invention, a group of tightening notches 11 are formed in the inner wall of the compression ring 6, and the tightening notches 11 are located at one end of the compression ring 6 away from the observation mirror 7 and are uniformly arranged along the circumferential direction. As shown in fig. 4, 8, 9 and 10, when the clamp ring 6 is disassembled and assembled, one end of the operating handle is clamped with the screwing notch 11, and the other end of the operating handle is rotated, so that the operation is more convenient and labor-saving.

As a further improvement of the present invention, a second sealing gasket 5 is provided between the observation mirror 7 and the housing 1. As shown in fig. 4, the sealing effect between the observation mirror 7 and the housing 1 can be improved by the second sealing gasket 5.

The shell 1 of the utility model is made of metal (copper), the rotor 2 is made of polytetrafluoroethylene, the rotor mandrel 8 is made of stainless steel, the observation mirror 7 is a high borosilicate heat-resistant glass viewing mirror, the Hall element 3 is an all-pole Hall switch, and the sensor has induction and higher sensitivity as long as a magnetic field exists. The magnetic member 9 is a ferromagnetic ring. The two Hall elements 3 are mutually redundant and backup, and have extremely high sensitivity and working reliability. The first sealing gasket 4 and the second sealing gasket 5 are both silicone rubber sealing gaskets. The outer wall of the shell 1 is provided with a liquid flow direction mark 12, which is convenient to install. The fasteners 10 are rivets, screws or bolts.

Install at the lubricating oil outlet pipeline (oil supply line) initiating terminal at thin oil lubricating oil station according to the fluid flow direction requirement, as shown in fig. 3 and fig. 5, the length direction of casing 1 sets up along left-right direction, and the axis of rotor dabber 8 sets up along fore-and-aft direction, and with lubricating oil from left to right flow as the example, in the equipment working process that awaits measuring, rotor 2 is counter-clockwise turning and drive rotor dabber 8 and magnetic part 9 synchronous revolution in casing 1 under the oil stream promotes.

The Hall element 3 arranged on the shell 1 can sense the magnetic field of the magnetic part 9, so that a digital pulse signal is generated and transmitted to a control system of the equipment to be detected, the control system can confirm that the lubricating oil station reliably supplies lubricating oil to the equipment to be detected, and the equipment to be detected can normally work; when the lubricating oil station can not supply lubricating oil to the equipment to be detected, the rotor 2 and the rotor mandrel 8 stop rotating, the magnetic part 9 also stops rotating, the Hall element 3 can not sense the magnetic field of the magnetic part 9 and can not generate a digital pulse signal to be transmitted to a control system of the equipment to be detected, so that the control system can confirm that the lubricating oil station can not supply lubricating oil to the equipment to be detected, the equipment to be detected stops working, and the device to be detected is safer and more reliable.

The utility model can monitor the working state of the lubricating oil station in real time, the working temperature can reach 200 ℃ (the oil temperature is generally required to be not more than 60 ℃) and the utility model can be applied to the working condition of high oil temperature of the lubricating oil. The hydraulic resistance is small, the operation is flexible, the visual observation is convenient, the reliability is high, the service life is long, the lubrication of the equipment is ensured, the lubrication fault probability of the equipment is reduced, the false alarm and false alarm probabilities are greatly reduced, the continuous production is ensured, the maintenance cost and the production cost of the equipment can be reduced, and the production benefit is improved.

Claims (10)

1. The utility model provides a rotor formula oil flow indicator of area teletransmission signal, includes casing (1), sets up rotor dabber (8) in casing (1) and rotor (2) with the coaxial setting of rotor dabber (8), and the axis of rotor dabber (8) sets up with the length direction of casing (1) is perpendicular, and rotor (2) form normal running fit, its characterized in that with the help of rotor dabber (8) and casing (1): a magnetic part (9) is fixed on the blade (2-2) of the rotor (2), a Hall element (3) used for inducing a magnetic field generated in the rotating process of the magnetic part (9) is fixed on the shell (1), and the output end of the Hall element (3) is connected with a control system of the device to be detected.

2. A rotor-type oil flow indicator with a remote signal according to claim 1, wherein: the number of the Hall elements (3) is two, and the two Hall elements (3) are symmetrically arranged on two sides of the rotor core shaft (8).

3. A rotor-type oil flow indicator with a remote signal according to claim 1, wherein: a first sealing gasket (4) is arranged between the Hall element (3) and the shell (1).

4. A rotor-type oil flow indicator with a remote signal as set forth in claim 1, wherein: the rotor (2) comprises an impeller (2-1) and a group of blades (2-2) connected to the outer circumferential surface of the impeller (2-1), all the blades (2-2) are uniformly arranged, each blade (2-2) is arranged along the tangential direction of the impeller (2-1), and a magnetic part (9) is fixed on each blade (2-2).

5. A rotor-type oil flow indicator with a remote signal according to claim 1, wherein: a positioning groove is formed in a blade (2-2) of the rotor (2), a magnetic part (9) is arranged in the positioning groove, and the magnetic part (9) is bonded with the blade (2-2) and is fixedly connected with the blade (2-2) by means of a fastener (10).

6. A rotor-type oil flow indicator with a remote signal according to claim 1, wherein: an observation mirror (7) is arranged on at least one side of the shell (1).

7. The rotor type oil flow indicator with the remote signal as claimed in claim 6, wherein: the end of the rotor mandrel (8) is of a spherical structure, observation mirrors (7) are arranged on two sides of the shell (1), spherical grooves matched with the spherical structure in shape are formed in the inner walls of the observation mirrors (7), the end of the rotor mandrel (8) is arranged in the spherical grooves and has a rotational degree of freedom, and the rotor (2) is fixedly connected with the rotor mandrel (8).

8. A rotor-type oil flow indicator with a remote signal according to claim 7, wherein: the two-stage stepped hole is formed in the shell (1), the two-stage stepped hole is a first stepped hole and a second stepped hole located in the outer side of the first stepped hole respectively, the diameter of the second stepped hole is larger than that of the first stepped hole, the diameter of the first stepped hole is larger than the inner diameter of the shell (1), the observation mirror (7) is located in the first stepped hole, and a compression ring (6) is connected to the inner thread of the second stepped hole.

9. A rotor-type oil flow indicator with a remote signal according to claim 8, wherein: a group of screwing notches (11) are formed in the inner wall of the compression ring (6), and the screwing notches (11) are located at one end, far away from the observation mirror (7), of the compression ring (6) and are evenly arranged along the circumferential direction.

10. The rotor type oil flow indicator with the remote signal as claimed in claim 6, wherein: a second sealing gasket (5) is arranged between the observation mirror (7) and the shell (1).

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