CN113898577A - Screw pump and intelligent lubricating oil filling device - Google Patents
Screw pump and intelligent lubricating oil filling device Download PDFInfo
- Publication number
- CN113898577A CN113898577A CN202111299278.XA CN202111299278A CN113898577A CN 113898577 A CN113898577 A CN 113898577A CN 202111299278 A CN202111299278 A CN 202111299278A CN 113898577 A CN113898577 A CN 113898577A
- Authority
- CN
- China
- Prior art keywords
- oil
- transmission shaft
- screw pump
- rod
- bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 36
- 239000003921 oil Substances 0.000 claims abstract description 234
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 30
- 210000004907 gland Anatomy 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/008—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
- F16N2013/205—Screw pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a screw pump for an oiling device, which comprises: a reduction motor; a transmission shaft connected to an output shaft of the reduction motor; the pump body comprises a bush, a stator and a rotor, wherein the stator and the rotor are arranged in the bush, and the rotor is connected with the transmission shaft; the speed reducing motor is provided with a transmission shaft sleeve coaxial with an output shaft of the speed reducing motor, the bushing is coaxially connected with the transmission shaft sleeve, the transmission shaft is arranged in the transmission shaft sleeve, the transmission shaft is provided with a magnet, and the transmission shaft sleeve is provided with a magnetic field sensor for measuring the number of times that the magnet passes through the magnetic field sensor along with the rotation of the transmission shaft. The invention also discloses an intelligent lubricating oil injection device using the screw pump. The invention can accurately measure the number of turns of the rotor, and further can accurately control the oil injection quantity of the screw pump by controlling the number of turns of the rotor of the screw pump.
Description
Technical Field
The invention relates to the field of lubricating oil injection devices of mechanical equipment. More specifically, the invention relates to a screw pump and an intelligent lubricating oil injection device.
Background
With the rapid development of automation and intellectualization in the petrochemical industry in China, enterprises put higher requirements on safe and stable continuous production of production devices, and therefore daily maintenance of device equipment is more and more emphasized by the enterprises. The first time of equipment maintenance is heavy lubrication, the selection of the lubrication mode and the lubrication effect have direct influence on the safety, stability and continuous production of the device.
The lubricating oil injection of the original equipment mainly adopts manual operation, and the manual operation basically depends on the working experience of workers, so that the lubricating oil can be injected in a more or less way, and the two situations can generate negative influence on the equipment, so that the oil injector can be used for injecting oil into the equipment in the prior art, but the oil pump adopted by the existing oil injector still cannot inject oil into the equipment in a timing and quantitative manner.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a screw pump for an oil filling device which can accurately measure the number of turns of a rotor, and can accurately control the amount of oil filled in the screw pump by controlling the number of turns of the rotor of the screw pump since the delivery volumes of the stator and the rotor in the screw pump are determined.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a screw pump for an oil filling device, including:
a reduction motor;
a transmission shaft connected to an output shaft of the reduction motor;
the pump body comprises a bush, a stator and a rotor, wherein the stator and the rotor are arranged in the bush, and the rotor is connected with the transmission shaft;
the speed reducing motor is provided with a transmission shaft sleeve coaxial with an output shaft of the speed reducing motor, the bushing is coaxially connected with the transmission shaft sleeve, the transmission shaft is arranged in the transmission shaft sleeve, the transmission shaft is provided with a magnet, and the transmission shaft sleeve is provided with a magnetic field sensor for measuring the number of times that the magnet passes through the magnetic field sensor along with the rotation of the transmission shaft.
Preferably, the drive shaft is connected to the rotor by a cross shaft.
Preferably, the speed reduction motor comprises a speed reducer and a motor connected with the speed reducer, and an output shaft of the speed reducer and the motor are arranged on the same side of the speed reducer in parallel.
The invention also aims to provide an intelligent lubricating oil filling device, which can perform quantitative oil filling according to the requirements of users and can perform timing oil filling according to the requirements of the users.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an intelligent oiling device for lubricating oil, comprising: oil bag and foretell screw pump, lubricating oil intelligence oiling device still includes:
and the control system is used for acquiring the single oiling amount, calculating the rotating turns of the single oiling transmission shaft according to the oil absorption of the screw pump of which the transmission shaft rotates for one circle, which is measured in advance, and controlling the single action of the speed reduction motor according to the rotating turns of the single oiling transmission shaft.
Preferably, the control system is further configured to calculate the total number of times of oil filling of the oil pocket according to a preset total oil amount of the oil pocket and a preset single oil filling amount when the oil pocket is filled with oil, calculate the time of single oil filling according to a transmission shaft rotation period and a single oil filling transmission shaft rotation number obtained through measurement in advance, calculate the actual total number of times of oil filling of the oil pocket according to the total number of times of oil filling of the oil pocket and the single oil filling time, calculate the length of an oil filling interval according to the total number of times of oil filling of the oil pocket, the actual total number of times of oil filling of the oil pocket and the total number of times of oil filling of the oil pocket, and control the timing action of the deceleration motor according to the length of the oil filling interval.
Preferably, one end of the stator and the rotor in the screw pump, which are far away from the transmission shaft, is a screw pump inlet, and the oil sac outlet is connected with the screw pump inlet.
Preferably, the intelligent lubricating oil filling device further comprises:
the top of the shell is open, the screw pump is arranged in the shell,
the oil bag seat is covered on the top of the shell, the oil bag is arranged on the top surface outside the oil bag seat, a first through hole is formed in the oil bag seat, so that the outlet of the oil bag is communicated with the inlet of the screw pump, a second through hole is formed in the lower end of the shell, an oil outlet nozzle is coaxially connected outside the second through hole, a sleeve wall of a bushing in the screw pump, which is close to the transmission shaft, is provided with an outlet of the screw pump, and the outlet of the screw pump is communicated with the oil outlet nozzle through an oil outlet pipe.
Preferably, the intelligent lubricating oil filling device further comprises: the oil pump comprises an oil cup, a first spring and a gland, wherein the oil cup is covered outside the oil bag and is clamped with the shell, the first spring and the gland are both arranged in the oil cup, the gland is arranged at the top of the oil bag, and the first spring is arranged between the oil cup and the first gland in a compressed mode;
the oil bag is characterized in that the top of the oil bag is concave to form a bag body which is axially folded, stretched and coaxial with the oil bag, the axial length of the bag body when the bag body is completely extended is not less than that when the oil bag is completely contracted, and a first pressing plate is arranged in the bag body;
the center of the bottom of the oil cup and the center of the gland are both provided with a rod penetrating hole for penetrating through the rod body, and the rod body is used for abutting against the first pressing plate when the oil sac is completely contracted so as to extrude the residual lubricating grease in the oil sac.
Preferably, the gland comprises a circular groove and a second pressing plate covering the notch of the circular groove, and the second pressing plate is pressed against the top of the oil sac;
the rod penetrating hole arranged in the center of the gland comprises a first rod penetrating hole arranged in the center of the bottom of the circular groove and a second rod penetrating hole arranged in the center of the second pressure plate, and the diameter of the first rod penetrating hole is smaller than that of the second rod penetrating hole;
the rod body penetrates through the first rod penetrating hole and the second rod penetrating hole and then is connected to the first pressure plate, a disc which can just pass through the second rod penetrating hole is further arranged on the rod body, a bayonet is formed in the edge of the second through hole, a clamping block which can just pass through the bayonet is arranged in the edge of the disc, and a second spring which surrounds the rod body is further arranged on the disc;
when the oil cup is in an initial state, the bag body is folded and contracted, the disc is positioned above the second pressing plate, the clamping block and the bayonet are staggered, the second spring is in a compressed state, the upper end of the second spring abuts against the inner bottom surface of the circular groove, the lower end of the second spring abuts against the disc, and the upper end of the rod body is not lower than the outer top surface of the bottom of the oil cup.
Preferably, the rod penetrating hole arranged in the center of the bottom of the oil cup is a third rod penetrating hole;
the rod body is a telescopic rod, and the fixed part and the movable part of the telescopic rod synchronously rotate;
the outer portion of the third rod penetrating hole is coaxially provided with a round cover plate, the diameter of the round cover plate is larger than that of the third rod penetrating hole, the fixed portion of the telescopic rod is connected to the round cover plate, the movable portion of the telescopic rod is connected to the first pressing plate, and the disc is connected to the movable portion of the telescopic rod.
The invention at least comprises the following beneficial effects:
1. the screw pump can accurately measure the number of turns of the rotor, and the oil injection quantity of the screw pump can be accurately controlled by controlling the number of turns of the rotor of the screw pump because the conveying volume of the rotor in the screw pump rotating for a circle is determined.
2. The speed reducing motor is directly connected with the pump body through the rotating shaft, the transmission shaft drives the rotor to rotate through the cross shaft, the structure not only realizes that the rotor can rotate and swing, but also avoids the shaft disengaging phenomenon, and simultaneously also avoids the problems that the existing speed reducing motor uses a turbine and a belt to drive multiple wearing parts, is complex to install and the like.
3. Because the capacity of the oil bag in the oil filling device is determined, the equipment can be filled with oil in a timed and quantitative mode according to the single oil filling amount set by a user and the total time of oil filling of the oil bag.
4. The oil bag is directly connected with the screw pump, so that lubricating oil can directly enter the screw pump, the resistance caused by an oil inlet pipe used in the existing oil injector (the increase of an oil inlet pipeline can increase the flow resistance of oil) is avoided, and the oil pumping capacity at low temperature and ultralow temperature is greatly enhanced.
5. The pump body and the motor of screw pump set up in the reduction gear homonymy side by side, in addition screw pump directly links with the oil pocket for each part is arranged rationally in the oiling device, and occupation space reduces, and the whole volume of oiling device reduces, thereby is applicable in more scenes that have the restriction to usage space.
6. Because the oil pocket is collapsible flexible utricule, even folding shrink to the shortest state, the oil pocket still has certain accumulation height, this makes oil pocket central part still have not few lubricating oil in not taking place folding cavity, this application supports through using the body of rod and presses first clamp plate, make when the oil pocket is folding to the shortest state, the utricule extension extrudes oil pocket central part and does not take place folding cavity, the effect of lubricating oil in the clean oil pocket of having realized as far as possible has avoided the remaining waste of lubricating oil.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic side view of a screw pump according to the present invention
Fig. 2 is a schematic side view of an intelligent lubricating oil filling device according to an embodiment of the present invention;
fig. 3 is a schematic external structural diagram of an intelligent lubricating oil filling device according to an embodiment of the present invention.
FIG. 4 is a schematic side view of an intelligent lubricant filling apparatus according to another embodiment of the present invention in an initial state;
FIG. 5 is a schematic side view of an intelligent lubricant filling apparatus according to another embodiment of the present invention, illustrating the residual lubricant in the oil bladder being squeezed;
FIG. 6 is a schematic top view of the second pressing plate, the circular plate and the telescopic rod of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a screw pump for an oil filling device, including:
a reduction motor 1;
a drive shaft 2 connected to an output shaft of the reduction motor 1;
a pump body 3 including a bush 301, and a stator 302 and a rotor 303 disposed in the bush 301, the rotor 303 being connected to the drive shaft 2;
the reduction motor 1 is provided with a transmission shaft sleeve 4 coaxial with an output shaft thereof, the bushing 301 is coaxially connected with the transmission shaft sleeve 4, the transmission shaft 2 is arranged in the transmission shaft sleeve 4, the transmission shaft 2 is provided with a magnet, and the transmission shaft sleeve 4 is provided with a magnetic field sensor 6 for measuring the number of times that the magnet passes through the magnetic field sensor 6 along with the rotation of the transmission shaft 2.
Specifically, magnet setting is on lantern ring 5, and lantern ring 5 cover is established on transmission shaft 2, and magnetic field sensor 6 produces the signal when magnet is closest to the count, and transmission shaft 2 rotates a week magnet and just is close to magnetic field sensor 6 once to trigger magnetic field sensor 6 and count once, and transmission shaft 2 is connected with screw pump rotor 303 again, so when the screw pump used, the number of turns of rotor 303 pivoted can be measured by magnetic field sensor 6.
In the above embodiment, since the screw pump can accurately measure the number of turns of the rotor 303, and the delivery volume of the rotor 303 of the screw pump rotating for one turn is determined, the amount of oil injected by the screw pump can be accurately controlled by controlling the number of turns of the rotor 303 of the screw pump.
In another embodiment, the transmission shaft 2 is connected with the rotor 303 through the cross shaft 7, and the transmission shaft 2 drives the rotor 303 to rotate through the cross shaft 7, so that the structure not only realizes that the rotor can rotate and swing, but also avoids the shaft release phenomenon, and simultaneously avoids the problems of more wearing parts, complex installation and the like caused by the use of a turbine and a belt for the conventional speed reducing motor 1.
In another embodiment, the reduction motor 1 comprises a reducer 102 and a motor 101 connected with the reducer 102, the output shaft of the reducer 102 and the motor 101 are arranged on the same side of the reducer 102 in parallel, and because the output shaft of the reduction motor 1 (i.e. the output shaft of the reducer 102) is sequentially connected with the transmission shaft 2 and the pump body 3, the pump body 3 and the motor 101 are also arranged on the same side of the reducer 102 in parallel by the structure, the arrangement of all parts is more compact, so that the oil injection device using the screw pump can reduce a certain volume, and can be suitable for more scenes with limited use space
As shown in fig. 2 to 3, the present invention further provides an intelligent lubricating oil injection device, including: oil bag 8 and the screw pump in the above-mentioned embodiment, intelligent oiling device of lubricating oil still includes:
a control system;
specifically, the control system may include a CPU and a touch panel 9, where the touch panel 9 is used for a user to input various requirement settings, and the CPU obtains the various requirement settings input by the user from the touch panel 9 and controls the deceleration motor 1 to operate according to a built-in program.
In one embodiment, the user inputs the single oiling amount from the touch panel 9, the CPU obtains the single oiling amount, calculates the number of rotations of the single oiling transmission shaft according to the previously measured oil absorption of the screw pump for one rotation of the transmission shaft, and controls the single operation of the reduction motor 1 according to the number of rotations of the single oiling transmission shaft.
In another embodiment, the user not only inputs the single oil filling amount from the touch panel 9, but also inputs the total oil filling usage of the oil pocket, the CPU obtains the single oil filling amount and the total oil filling usage of the oil pocket, calculates the total number of times of oil filling of the oil pocket according to the preset total oil amount and the single oil filling amount, calculates the single oil filling usage according to the transmission shaft rotation time and the single oil filling transmission shaft rotation number obtained in advance, calculates the actual total oil filling usage of the oil pocket according to the total oil filling times of the oil pocket and the single oil filling usage, and calculates the length of the oil filling interval according to the total oil filling usage of the oil pocket, the actual total oil filling time of the oil pocket, and the total oil filling times of the oil pocket ((total oil filling usage of the oil pocket — total actual total oil filling time of the oil pocket)/(total oil filling times of the oil pocket-1)), and controls the timing action of the deceleration motor 1 according to the length of the oil filling interval.
In the above embodiment, since the volume of the oil pocket 8 in the oil filling device is determined, the delivery volume of the rotor 303 of the screw pump for one rotation is determined, and the time spent for one rotation of the rotor 303 of the screw pump is also determined, the device can be filled with oil according to the single filling amount set by the user and the timing and quantitative amount of the total time spent for filling the oil pocket.
More specifically, the control system can also be used for recording the number of times of filling oil, and can also calculate and feed back the number of times of remaining filling oil to the user because the total number of times of filling oil into the oil pocket has been calculated in the foregoing, and similarly, can also calculate and feed back the number of days of remaining filling oil to the user because the length of time between filling oil intervals has also been calculated, and so on, and in order to make the user know the feedback information at the first time, the control system can also be provided with a wireless transmission module, and software which is in communication connection with the control system is arranged on a fixed terminal or a mobile terminal upper computer of the user, and is used for acquiring the feedback information of the control system.
As shown in fig. 4 to 6, in another embodiment, in the screw pump, one end of the stator 302 and the end of the rotor 303, which are far away from the transmission shaft 2, are screw pump inlets, an outlet of the oil bag 8 is connected with the screw pump inlets, the oil bag 8 is directly connected with the screw pump, and lubricating oil more directly enters the screw pump, so that resistance caused by an oil inlet pipe used in an existing oil injector (the increase of an oil inlet pipeline can increase the flow resistance of grease) is avoided, and the oil pumping capacity at low temperature and ultralow temperature is greatly enhanced.
In another embodiment, the intelligent lubricating oil filling device further comprises:
a housing 10 having an open top, the screw pump being disposed in the housing 10,
the oil bag seat 11 is covered on the top of the shell 10, the oil bag 8 is arranged on the outer top surface of the oil bag seat 11, a first through hole is formed in the oil bag seat 11, so that the outlet of the oil bag 8 is communicated with the inlet of the screw pump, a second through hole is formed in the lower end of the shell 10, an oil outlet nozzle 25 is coaxially connected to the outer side of the second through hole, a screw pump outlet is formed in the wall, close to the transmission shaft 2, of the bushing 301 in the screw pump, and the outlet of the screw pump is communicated with the oil outlet nozzle 25 through an oil outlet pipe 26.
In the above embodiment, the pump body 3 of the screw pump and the motor 101 are arranged on the same side of the speed reducer 102 in parallel, and the screw pump is directly connected with the oil sac 8, so that the arrangement of parts in the oil injection device is reasonable, the occupied space is reduced, the overall size of the oil injection device is reduced, and the oil injection device is applicable to more scenes with limitation on the use space.
In another embodiment, the intelligent lubricating oil filling device further comprises: the oil pump comprises an oil cup 12, a first spring 13 and a gland 14, wherein the oil cup 12 is covered outside the oil bag 8 and is clamped with the shell 10, the first spring 13 and the gland 14 are both arranged in the oil cup 12, the gland 14 is arranged at the top of the oil bag 8, and the first spring 13 is arranged between the oil cup 12 and the first gland 14 in a compressed manner;
the top of the oil bag 8 is concave to form a bag body 15 which is axially folded, stretched and coaxial with the oil bag 8 and is formed on the oil bag 8, the axial length of the bag body 15 when the bag body 15 is fully extended is not less than the axial length of the oil bag 8 when the oil bag 8 is fully contracted, and a first pressing plate 16 is arranged in the bag body 15;
the center of the bottom of the oil cup 12 and the center of the gland 14 are both provided with a rod penetrating hole for penetrating through a rod body, and the rod body is used for abutting against the first pressing plate 16 when the oil bag 8 is completely contracted so as to extrude out residual lubricating grease in the oil bag 8.
In the use process of the embodiment, when the oil bag 8 is compressed to the shortest, the rod body is used to penetrate through the center of the cup bottom of the oil cup 12 and the rod penetrating hole in the center of the pressing cover 14 and abuts against the first pressing plate 16, so that the bag body 15 extends to extrude lubricating oil still existing in the cavity, which is not folded, in the center part of the oil bag 8, the effect of draining the lubricating oil in the oil bag 8 as far as possible is realized, and the residual waste of the lubricating oil is avoided.
However, in the above embodiment, the intelligent lubricating oil injecting device has to be manually pressed against the first pressing plate 16, which is inconvenient to use, and therefore, the problem is further improved in the following embodiment.
In another embodiment, the gland 14 comprises a circular groove 1401 and a second pressing plate 1402 covering the notch of the circular groove 1401, and the second pressing plate 1402 presses against the top of the oil sac 8;
the rod penetrating hole arranged in the center of the gland 14 comprises a first rod penetrating hole arranged in the center of the bottom of the circular groove 1401 and a second rod penetrating hole arranged in the center of the second pressing plate 1402, and the diameter of the first rod penetrating hole is smaller than that of the second rod penetrating hole;
the rod body passes through the first rod penetrating hole and the second rod penetrating hole and then is connected to the first pressure plate 16, a disc 17 which can just pass through the second rod penetrating hole is further arranged on the rod body, a bayonet is formed in the edge of the second through hole, a clamping block 18 which can just pass through the bayonet is arranged on the edge of the disc 17, and a second spring 19 surrounding the rod body is further arranged on the disc 17;
in an initial state, the capsule body 15 is folded and contracted, the disc 17 is positioned above the second pressing plate 1402, the clamping block 18 is staggered with the bayonet, the second spring 19 is in a compressed state, the upper end of the second spring abuts against the inner bottom surface of the circular groove 1401, the lower end of the second spring abuts against the disc 17, and the upper end of the rod body is not lower than the outer top surface of the bottom of the oil cup 12.
In the use process of the embodiment, when the oil bag 8 is compressed to the shortest, a worker rotates the rod body to enable the fixture block 18 to be aligned to the bayonet, the disc 17 can move downwards through the second rod penetrating hole under the action of the elastic force of the second spring 19 to drive the rod body to move downwards, the first pressing plate 16 at the lower end of the rod body can apply pressure to the bag body 15, and the auxiliary screw pump sucks out lubricating oil in a cavity, which is not folded, in the central part of the oil bag 8.
Above-mentioned embodiment has overcome artifical manual use the body of rod and has supported and press first clamp plate 16, the defect comparatively inconvenient is used, for make the staff more convenient operation, the body of rod need set up certain length, body of rod length is not less than oil cup 12 height under the general condition, thus, the body of rod upper end can not sink in oil cup 12, make things convenient for the staff to grip, nevertheless when leading to the full oil state of oil bag 8 like this, the length overlength of extending out oil cup 12 in the body of rod upper end, not only pleasing to the eye also occupation space simultaneously, if some scenes have the restriction to oiling device's usage space, then above-mentioned lubricating oil intelligence oiling device is difficult to use, the event is again to this problem further improvement in following embodiment.
In another embodiment, the rod penetrating hole arranged in the center of the bottom of the oil cup 12 is a third rod penetrating hole;
the rod body is a telescopic rod 20, and a fixed part and a movable part of the telescopic rod 20 synchronously rotate;
a circular cover plate 21 is coaxially arranged outside the third rod penetrating hole, the diameter of the circular cover plate 21 is larger than that of the third rod penetrating hole, the fixed part of the telescopic rod 20 is connected to the circular cover plate 21, the movable part of the telescopic rod 20 is connected to the first pressing plate 16, and the disc 17 is connected to the movable part of the telescopic rod 20.
In the use of the above embodiment, because the rod body is the telescopic rod 20, the rod body can gradually extend along with the gradual contraction of the oil bag 8, and simultaneously, because the fixed part and the movable part of the telescopic rod 20 synchronously rotate, the worker only needs to rotate the round cover plate 21 to drive the telescopic rod 20 to rotate, and then the operation of aligning the clamping block 18 with the bayonet is completed.
The embodiment uses the telescopic rod 20, so that the rod body can be integrally hidden in the oil cup 12, the appearance is attractive, the occupied space is small, and the intelligent lubricating oil injection device is applicable to narrow spaces.
Specifically, the circumferential surface of the round cover plate 21 is provided with anti-skid insections or the top surface of the round cover plate 21 is provided with a knob 22, so that a worker can conveniently hold the round cover plate 21.
Specifically, the telescopic rod 20 includes a first circular sleeve 2001 and a second circular sleeve 2002 coaxially slidably connected to the first circular sleeve 2001, a first groove is formed in the first circular sleeve 2001 along the length direction, a second groove is formed in the second circular sleeve 2002 along the length direction, and a convex surface of the first groove is closely attached to a concave surface of the second groove.
In the above embodiment, the circular sleeve is used, and is mainly more convenient to be matched with the rod penetrating holes in the cup bottom of the oil cup 12 and the gland 14, and in fact, the telescopic rod 20 can also adopt two square sleeves or two sleeves with other polygonal cross sections, which are sleeved, and only needs to be larger than the rod penetrating holes in the cup bottom of the oil cup 12 and the gland 14, so that the square sleeves or the sleeves with other polygonal cross sections rotate, and the sleeves cannot be matched with the rod penetrating holes well.
More specifically, the outer portion of the bottom of the oil cup 12 is carved with an alignment line at the edge of the third rod penetrating hole, when the knob 22 is aligned with the alignment line, the fixture block 18 is aligned with the bayonet, and since the disc 17 and the fixture block 18 are both in the gland 14 in the initial state and cannot be observed, the worker rotates the knob 22 to enable the fixture block 18 to be aligned with the bayonet, the hand feeling is fully relied on, the use of the worker is inconvenient, and after the alignment line is set, the worker only needs to rotate the knob 22 to be aligned with the alignment line, so that the operation is simpler and more convenient.
More specifically, the inner side wall of the oil cup 12 is provided with a limit groove 23 along the axial direction, the edge of the first pressing plate 16 is provided with a limit rod 24 horizontally extending into the limit groove 23, and due to the friction between the fixture block 18 and the second pressing plate 1402, when the rod body is rotated by a worker, the fixture block 18 may drive the pressing cover 14 to rotate synchronously due to friction, so that the fixture block 18 cannot align with the bayonet on the second pressing plate 1402, and therefore the pressing cover 14 is limited in this embodiment, and can only move up and down along the limit groove 23 and cannot rotate, so that the operation of the rotating rod body can be guaranteed to be effective and reliable.
More specifically, the oil cup 12 is provided with an air pressure balancing hole, and since the inside of the oil cup 12 is close to a sealed state, the oil bag 8 is drained and the oil bag 8 contracts, which may cause negative pressure to be generated in the oil cup 12, which is not beneficial to the operation of the screw pump, in this embodiment, the air pressure balancing hole is provided in the oil cup 12 to balance the air pressure inside and outside the oil cup 12, so as to solve the problem.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. Screw pump that oiling device used, its characterized in that includes:
a reduction motor;
a transmission shaft connected to an output shaft of the reduction motor;
the pump body comprises a bush, a stator and a rotor, wherein the stator and the rotor are arranged in the bush, and the rotor is connected with the transmission shaft;
the speed reducing motor is provided with a transmission shaft sleeve coaxial with an output shaft of the speed reducing motor, the bushing is coaxially connected with the transmission shaft sleeve, the transmission shaft is arranged in the transmission shaft sleeve, the transmission shaft is provided with a magnet, and the transmission shaft sleeve is provided with a magnetic field sensor for measuring the number of times that the magnet passes through the magnetic field sensor along with the rotation of the transmission shaft.
2. The screw pump of claim 1, wherein the drive shaft is coupled to the rotor by a cross-shaft.
3. The screw pump for the oiling device according to claim 1, wherein the reduction motor comprises a reducer and a motor connected to the reducer, and an output shaft of the reducer and the motor are arranged in parallel on the same side of the reducer.
4. Lubricating oil intelligence oiling device, its characterized in that includes: the screw pump of any one of claims 1-3, the intelligent lubricant injection device further comprising:
and the control system is used for acquiring the single oiling amount, calculating the rotating turns of the single oiling transmission shaft according to the oil absorption of the screw pump of which the transmission shaft rotates for one circle, which is measured in advance, and controlling the single action of the speed reduction motor according to the rotating turns of the single oiling transmission shaft.
5. The intelligent lubricating oil filling device according to claim 4, wherein the control system is further configured to calculate the total number of times of oil filling of the oil pocket according to a preset total amount of oil in the oil pocket and a preset single amount of oil filling, calculate the single amount of oil filling according to a cycle of rotation of the transmission shaft and a cycle of rotation of the single-time-filling transmission shaft measured in advance, calculate the actual total time of the oil pocket according to the total number of times of oil filling of the oil pocket and the single amount of oil filling, calculate the length of the oil filling interval according to the total number of times of oil filling of the oil pocket, the actual total time of the oil pocket and the total number of times of oil filling of the oil pocket, and control the timing action of the deceleration motor according to the length of the oil filling interval.
6. The intelligent lubricant filling device according to claim 4, wherein the end of the stator and the rotor of the screw pump, which end is away from the transmission shaft, is a screw pump inlet, and the outlet of the oil sac is connected to the screw pump inlet.
7. The intelligent oiling apparatus for lubricating oil of claim 6, further comprising:
the top of the shell is open, the screw pump is arranged in the shell,
the oil bag seat is covered on the top of the shell, the oil bag is arranged on the top surface outside the oil bag seat, a first through hole is formed in the oil bag seat, so that the outlet of the oil bag is communicated with the inlet of the screw pump, a second through hole is formed in the lower end of the shell, an oil outlet nozzle is coaxially connected outside the second through hole, a sleeve wall of a bushing in the screw pump, which is close to the transmission shaft, is provided with an outlet of the screw pump, and the outlet of the screw pump is communicated with the oil outlet nozzle through an oil outlet pipe.
8. The intelligent oiling apparatus for lubricating oil of claim 7, further comprising: the oil pump comprises an oil cup, a first spring and a gland, wherein the oil cup is covered outside the oil bag and is clamped with the shell, the first spring and the gland are both arranged in the oil cup, the gland is arranged at the top of the oil bag, and the first spring is arranged between the oil cup and the first gland in a compressed mode;
the oil bag is characterized in that the top of the oil bag is concave to form a bag body which is axially folded, stretched and coaxial with the oil bag, the axial length of the bag body when the bag body is completely extended is not less than that when the oil bag is completely contracted, and a first pressing plate is arranged in the bag body;
the center of the bottom of the oil cup and the center of the gland are both provided with a rod penetrating hole for penetrating through the rod body, and the rod body is used for abutting against the first pressing plate when the oil sac is completely contracted so as to extrude the residual lubricating grease in the oil sac.
9. The intelligent oiling apparatus for lubricating oil of claim 8, wherein said gland comprises a circular groove and a second pressing plate covering the notch of said circular groove, said second pressing plate pressing against the top of said oil sac;
the rod penetrating hole arranged in the center of the gland comprises a first rod penetrating hole arranged in the center of the bottom of the circular groove and a second rod penetrating hole arranged in the center of the second pressure plate, and the diameter of the first rod penetrating hole is smaller than that of the second rod penetrating hole;
the rod body penetrates through the first rod penetrating hole and the second rod penetrating hole and then is connected to the first pressure plate, a disc which can just pass through the second rod penetrating hole is further arranged on the rod body, a bayonet is formed in the edge of the second through hole, a clamping block which can just pass through the bayonet is arranged in the edge of the disc, and a second spring which surrounds the rod body is further arranged on the disc;
when the oil cup is in an initial state, the bag body is folded and contracted, the disc is positioned above the second pressing plate, the clamping block and the bayonet are staggered, the second spring is in a compressed state, the upper end of the second spring abuts against the inner bottom surface of the circular groove, the lower end of the second spring abuts against the disc, and the upper end of the rod body is not lower than the outer top surface of the bottom of the oil cup.
10. The intelligent oiling apparatus for lubricating oil according to claim 9, wherein the rod-passing hole provided in the center of the cup bottom of the oil cup is a third rod-passing hole;
the rod body is a telescopic rod, and the fixed part and the movable part of the telescopic rod synchronously rotate;
the outer portion of the third rod penetrating hole is coaxially provided with a round cover plate, the diameter of the round cover plate is larger than that of the third rod penetrating hole, the fixed portion of the telescopic rod is connected to the round cover plate, the movable portion of the telescopic rod is connected to the first pressing plate, and the disc is connected to the movable portion of the telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299278.XA CN113898577A (en) | 2021-11-04 | 2021-11-04 | Screw pump and intelligent lubricating oil filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299278.XA CN113898577A (en) | 2021-11-04 | 2021-11-04 | Screw pump and intelligent lubricating oil filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898577A true CN113898577A (en) | 2022-01-07 |
Family
ID=79027485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111299278.XA Pending CN113898577A (en) | 2021-11-04 | 2021-11-04 | Screw pump and intelligent lubricating oil filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113898577A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923634A (en) * | 2012-12-01 | 2013-02-13 | 新余钢铁集团有限公司 | Grease extraction device |
| CN202971170U (en) * | 2012-12-13 | 2013-06-05 | 天津泵业机械集团有限公司 | Special three-screw pump for immersed lubrication |
| CN205953485U (en) * | 2016-07-08 | 2017-02-15 | 四川五月花精密机械有限公司 | Automatic sell liquid machine measurement solenoid valve |
| CN206420519U (en) * | 2017-01-23 | 2017-08-18 | 佛山市众泽机电科技有限公司 | A kind of three-apexed rotor flowmeter |
| CN210050024U (en) * | 2019-05-06 | 2020-02-11 | 江西长龙泵业有限责任公司 | Novel screw pump convenient to oiling |
| CA3127694A1 (en) * | 2019-03-06 | 2020-09-10 | Wuxi Hengxin Beishi Technology Co., Ltd | Intelligent oil extraction system using all-metal screw pump |
| CN211952200U (en) * | 2020-02-21 | 2020-11-17 | 南京彩云机械电子制造集团有限公司 | Intelligent explosion-proof automatic oil injector |
| CN113375031A (en) * | 2021-06-23 | 2021-09-10 | 郑州众城润滑科技有限公司 | Centralized lubricating device with low liquid level alarming function |
| CN216198939U (en) * | 2021-11-04 | 2022-04-05 | 北京君岳伟信工程技术有限公司 | Screw pump and intelligent lubricating oil filling device |
-
2021
- 2021-11-04 CN CN202111299278.XA patent/CN113898577A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923634A (en) * | 2012-12-01 | 2013-02-13 | 新余钢铁集团有限公司 | Grease extraction device |
| CN202971170U (en) * | 2012-12-13 | 2013-06-05 | 天津泵业机械集团有限公司 | Special three-screw pump for immersed lubrication |
| CN205953485U (en) * | 2016-07-08 | 2017-02-15 | 四川五月花精密机械有限公司 | Automatic sell liquid machine measurement solenoid valve |
| CN206420519U (en) * | 2017-01-23 | 2017-08-18 | 佛山市众泽机电科技有限公司 | A kind of three-apexed rotor flowmeter |
| CA3127694A1 (en) * | 2019-03-06 | 2020-09-10 | Wuxi Hengxin Beishi Technology Co., Ltd | Intelligent oil extraction system using all-metal screw pump |
| CN210050024U (en) * | 2019-05-06 | 2020-02-11 | 江西长龙泵业有限责任公司 | Novel screw pump convenient to oiling |
| CN211952200U (en) * | 2020-02-21 | 2020-11-17 | 南京彩云机械电子制造集团有限公司 | Intelligent explosion-proof automatic oil injector |
| CN113375031A (en) * | 2021-06-23 | 2021-09-10 | 郑州众城润滑科技有限公司 | Centralized lubricating device with low liquid level alarming function |
| CN216198939U (en) * | 2021-11-04 | 2022-04-05 | 北京君岳伟信工程技术有限公司 | Screw pump and intelligent lubricating oil filling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2535179C (en) | Breast pump system | |
| CN216198939U (en) | Screw pump and intelligent lubricating oil filling device | |
| CN108788835A (en) | One kind being based on bearing machining fixture | |
| CN113898577A (en) | Screw pump and intelligent lubricating oil filling device | |
| CN108551816A (en) | A kind of electric intelligent hydraulic pressure groundnut planter device in the sowing of farmland | |
| CN208705040U (en) | Electric-controlled hydraulic torque measuring mechanism for star-like retarder | |
| JP2022506175A (en) | Syringe dispenser | |
| CN211670724U (en) | Electric control reciprocating motion type liposuction device | |
| CN214566313U (en) | Accurate quantitative filling equipment of edible vegetable oil | |
| CN213899282U (en) | Installation mechanism of liquid feed pump | |
| CN103182103B (en) | Electric breast pump | |
| CN206530716U (en) | A kind of manually adjustable flow controller | |
| CN109357989B (en) | Novel micro-ventilation tester | |
| CN209368921U (en) | A kind of construction surface drilling backfilling apparatus | |
| CN209560291U (en) | Intelligent hourglass | |
| CN208629181U (en) | A kind of motor being placed in piston | |
| CN210771381U (en) | Oiling device for windshield wiper connecting rod | |
| CN216693006U (en) | Automatic grease filling device | |
| CN211341804U (en) | Novel concrete fluid delivery pump machine | |
| CN210094497U (en) | Automatic change and irritate material machine | |
| CN105031773B (en) | Double end continuous sampling device | |
| CN217109077U (en) | Intelligent oil injector | |
| CN212855814U (en) | Extracting solution dropper for rice gene determination in laboratory | |
| CN210281627U (en) | Oiling device capable of adding lubricating oil to machine tool | |
| CN212854075U (en) | Silicone rubber syringe dropper for infants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |