CN211874724U

CN211874724U - Cam rotor pump

Info

Publication number: CN211874724U
Application number: CN202020084270.6U
Authority: CN
Inventors: 汤仁亮
Original assignee: Accuvon Guangzhou Pump Industry Co ltd
Current assignee: Accuvon Guangzhou Pump Industry Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-06
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a cam rotor pump, which comprises a double-shaft motor, a transmission unit and a pumping unit, wherein the right side of the double-shaft motor is fixedly connected with a reduction box, the right side of the reduction box is provided with an impeller box, the transmission unit is arranged inside the reduction box, the pumping unit is arranged inside the impeller box, the cam rotor pump also comprises a bottom plate, a support and a control switch, the support is fixedly connected with the upper end of the bottom plate, the upper end of the support is fixedly connected with the lower surface of the double-shaft motor, the control switch is fixedly connected with the side surface of the support, the, this cam rotor pump, simple structure, it is convenient to dismantle, is favorable to the later maintenance, and the leakproofness is good, and is being pumped water the in-process pulsation less, is provided with heat abstractor, avoids resulting in self high temperature to influence performance, is equipped with filtration, prevents to cause the impeller wearing and tearing, can adjust flow size moreover, convenient to use.

Description

Cam rotor pump

Technical Field

The utility model relates to a cam pump technical field specifically is a cam rotor pump.

Background

The cam rotor pump adopts two rotors which move synchronously, the rotors are driven by a pair of external synchronous gear boxes, and the rotors synchronously rotate in opposite directions under the driving of a transmission shaft, so that higher vacuum degree and discharge pressure are formed, and the cam rotor pump is particularly suitable for conveying corrosive high-viscosity media, widely applied to industries such as petrochemical industry, fine chemical industry, daily chemical industry, pharmacy, food, environmental protection, papermaking, coating, metallurgy and the like, and in the prior art: the cam rotor pump has a complex structure, and the sealing gasket of the cam is inconvenient to maintain after being worn, so that the sealing performance is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a cam rotor pump, simple structure, it is convenient to dismantle, and convenient sealed the pad to the cam of wearing and tearing is maintained, easy operation, and the leakproofness is good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cam rotor pump, includes biax motor, drive unit and the unit that draws water, biax motor's right side fixedly connected with reducing gear box, the right side of reducing gear box is provided with the impeller case, drive unit sets up in the inside of reducing gear box, the unit that draws water sets up in the inside of impeller case, still includes bottom plate, support and control switch, support fixed connection is in the upper end of bottom plate, the upper end of support and biax motor's lower fixed surface are connected, control switch fixed connection is in the side of support, and external power source is connected to the control switch electricity, and biax motor is connected to the control switch electricity.

The double-shaft motor is turned on by a control switch, the right end of an output shaft of the double-shaft motor drives a main gear to rotate, the main gear drives a driven gear to rotate by being meshed with the driven gear, the driven gear drives a second synchronous gear to rotate by a first rotating shaft, the second synchronous gear drives a first synchronous gear to rotate, the first synchronous gear drives a second rotating shaft to rotate synchronously, so that a first cam and a second cam synchronously and reversely move, high pressure is formed on one side of an impeller box, and vacuum is formed on the other side of the impeller box, so that water pumping is performed, cavitation and abrasion phenomena occur due to impurities on a sealing gasket on the surface layer due to long-time meshing friction of the first cam and the second cam, the sealing performance is deteriorated, the water pumping capacity is reduced, at the moment, bolts are loosened, an end cover is taken down, straws with high water content are stuffed into a corresponding tapered groove, and the straws, replace the sealed wearing and tearing of filling up of cam, easy operation, it is convenient to change, and the maintenance cost is low, when the biax motor moving, left output shaft drives the fan rotatory, to biax motor self cool down the heat dissipation, prevent self high temperature influence performance, when drawing water, rivers get into the impeller box after the filter screen filters, prevent that impurity such as sand from getting into the sealed pad of impeller box wearing and tearing, when needs regulating pondage, the rotary butterfly valve, the size of control volume of drawing water.

Further, the transmission unit comprises a main gear, a first rotating shaft, a secondary gear, a first synchronous gear, a second synchronous gear, a partition plate and a second rotating shaft, the partition plate is fixedly connected to the middle of the reduction gearbox, the left end of the second rotating shaft is fixedly connected with a bearing arranged at the upper end of the partition plate, the right end of the second rotating shaft penetrates through the bearing arranged at the upper end of the right side plate of the reduction gearbox in a matched manner and extends into the impeller box, the main gear is fixedly connected to the end head of the right output shaft of the double-shaft motor through a pin key, the main gear is positioned at the left side of the partition plate, the left end of the first rotating shaft is fixedly connected with the bearing at the lower end of the left side plate of the reduction gearbox, the first rotating shaft respectively penetrates through the bearing arranged at the lower ends of the partition plate and the right side plate of the reduction gearbox and extends into the impeller box, the secondary gear is fixedly connected, the first synchronous gear is located the right side of baffle, and second synchronous gear fixed connection is in the extrados of second pivot, and the second pivot is connected with the meshing of first synchronous gear, makes first pivot and second pivot keep synchronous operation, guarantees the leakproofness of first cam and second cam.

Further, the unit of drawing water includes first cam, the second cam, taper groove and round pin post, first cam fixed connection is in the right side end department of second pivot, second cam fixed connection is in the right side end department of first pivot, the cambered surface cooperation of first cam and second cam sets up, the taper groove sets up respectively inside the end of first cam and second cam, round pin post fixed connection is in the inside both sides face of taper groove respectively, fill the higher straw of water content to the taper groove inside when sealed pad wearing and tearing, replace sealed pad and play sealed effect, the round pin post plays certain blocking effect to the higher straw of water content, when preventing that first cam and second cam are high-speed rotatory, the higher straw of water content is thrown away the taper groove, first cam and second cam are the four wing rotors, can effectively reduce the pulsation, realize steadily drawing water.

Furthermore, the impeller box further comprises an end cover and a bolt, wherein the end cover is fixedly connected with the right side face of the impeller box through the bolt, and the end of the outer side of the bolt is circular, so that the end cover is convenient to detach and install.

Furthermore, the left side surface of the end cover, the outer arc surface of the first cam and the outer arc surface of the second cam are provided with sealing gaskets, so that the sealing performance of each space inside the impeller box is kept, and the water pumping capacity is improved.

Further, still include fan and protection frame, fan fixed connection is in the output shaft of biax motor left end, protection frame fixed connection is in the left surface of biax motor, protection frame sets up with the fan cooperation, dispels the heat to biax motor self, prevents that the high temperature from influencing performance.

Further, still include butterfly valve, filter screen and inlet tube, inlet tube fixed connection is in the water inlet department of impeller box, the butterfly valve is established ties in the middle part of inlet tube, filter screen fixed connection is in the water inlet department of inlet tube, and when drawing water, rivers get into the impeller box after the filter screen filters, prevent that impurity such as sand from getting into the impeller box wearing and tearing sealed pad, the butterfly valve is used for controlling the size of the volume of drawing water.

Compared with the prior art, the beneficial effects of the utility model are that: the cam rotor pump has the following advantages:

1. the double-shaft motor is turned on by a control switch, the right end of an output shaft of the double-shaft motor drives a main gear to rotate, the main gear drives a driven gear to rotate by being meshed with the driven gear, the driven gear drives a second synchronous gear to rotate by a first rotating shaft, the second synchronous gear drives a first synchronous gear to rotate, the first synchronous gear drives a second rotating shaft to rotate synchronously, so that a first cam and a second cam synchronously and reversely move, high pressure is formed on one side of an impeller box, and vacuum is formed on the other side of the impeller box, so that water pumping is performed, cavitation and abrasion phenomena occur due to impurities on a sealing gasket on the surface layer due to long-time meshing friction of the first cam and the second cam, the sealing performance is deteriorated, the water pumping capacity is reduced, at the moment, bolts are loosened, an end cover is taken down, straws with high water content are stuffed into a corresponding tapered groove, and the straws, the cam sealing gasket is worn instead of a cam sealing gasket, and the cam sealing gasket is simple to operate, convenient to replace and low in maintenance cost.

2. When the double-shaft motor operates, the left output shaft drives the fan to rotate, the double-shaft motor is cooled and dissipated, and the use performance is prevented from being influenced by overhigh temperature.

3. When water is pumped, water flow enters the impeller box after being filtered by the filter screen, impurities such as sand are prevented from entering the impeller box to abrade the sealing gasket, and when the water quantity needs to be regulated, the butterfly valve is rotated to control the water pumping quantity.

Drawings

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

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

FIG. 3 is a schematic view of the front view cross section structure of the reduction box and the impeller case of the present invention;

fig. 4 is a schematic view of the right-side sectional structure of the impeller case of the present invention.

In the figure: the device comprises a base plate 1, a support 2, a double-shaft motor 3, a reduction gearbox 4, an impeller box 5, an end cover 6, bolts 7, a transmission unit 8, a main gear 81, a first rotating shaft 82, a driven gear 83, a first synchronous gear 84, a second synchronous gear 85, a partition plate 86, a second rotating shaft 87, a water pumping unit 9, a first cam 91, a second cam 92, a conical groove 93, a pin 94, a control switch 10, a butterfly valve 11, a filter screen 12, a water inlet pipe 13, a fan 14 and a protection frame 15.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions:

the first embodiment is as follows: a cam rotor pump comprises a double-shaft motor 3, a transmission unit 8 and a pumping unit 9, wherein a reduction gearbox 4 is fixedly connected to the right side of the double-shaft motor 3, an impeller box 5 is arranged on the right side of the reduction gearbox 4, the transmission unit 8 comprises a main gear 81, a first rotating shaft 82, a driven gear 83, a first synchronous gear 84, a second synchronous gear 85, a partition plate 86 and a second rotating shaft 87, the partition plate 86 is fixedly connected to the middle of the reduction gearbox 4, the left end of the second rotating shaft 87 is fixedly connected with a bearing arranged at the upper end of the partition plate 86, the right end of the second rotating shaft 87 penetrates through the bearing arranged at the upper end of the right side plate of the reduction gearbox 4 in a matched mode and extends into the impeller box 5, the main gear 81 is fixedly connected to the end of the right output shaft of the double-shaft motor 3 through a pin key, the main gear 81 is located on the left side of the partition plate 86, the left end of the first rotating shaft 82 is fixedly connected with the bearing Inside the box 5, the slave gear 83 is fixedly connected to the outer arc surface of the first rotating shaft 82, the slave gear 83 is meshed with the master gear 81, the first synchronizing gear 84 is fixedly connected to the outer arc surface of the right end of the first rotating shaft 82, the first synchronizing gear 84 is located on the right side of the partition plate 86, the second synchronizing gear 85 is fixedly connected to the outer arc surface of the second rotating shaft 87, and the second rotating shaft 87 is meshed with the first synchronizing gear 84.

The pumping unit 9 includes a first cam 91, a second cam 92, a tapered groove 93 and a pin 94, the first cam 91 is fixedly connected to the right end of the second rotating shaft 87, the second cam 92 is fixedly connected to the right end of the first rotating shaft 82, the arc surfaces of the first cam 91 and the second cam 92 are arranged in a matched manner, the tapered groove 93 is respectively arranged inside the ends of the first cam 91 and the second cam 92, and the pin 94 is respectively fixedly connected to two inner side surfaces of the tapered groove 93.

The double-shaft motor comprises a bottom plate 1, a support 2, a control switch 10, an end cover 6 and a bolt 7, wherein the support 2 is fixedly connected to the upper end of the bottom plate 1, the upper end of the support 2 is fixedly connected with the lower surface of a double-shaft motor 3, the control switch 10 is fixedly connected to the side surface of the support 2, the control switch 10 is electrically connected with an external power supply, the control switch 10 is electrically connected with the double-shaft motor 3, the end cover 6 is fixedly connected with the right side surface of an impeller box 5 through the bolt 7, the left side surface of the end cover 6, the outer arc surface of a first cam 91 and the outer arc surface of a second cam 92 are respectively provided with a sealing gasket, the double-shaft motor 3 is turned on through the control switch 10, the right end of an output shaft of the double-shaft motor 3 drives a main gear 81 to rotate, the main gear 81 is meshed with a driven gear 83 to drive the driven, first synchronous gear 84 drives second pivot 87 synchronous revolution, and then make first cam 91 and the synchronous reverse motion of second cam 92, form the high pressure in one side of impeller box 5, the opposite side forms the vacuum, thereby absorb water, because first cam 91 and the long-time interlock friction of second cam 92, the sealed pad on top layer can appear cavitation and wearing and tearing phenomenon because of impurity, lead to the leakproofness to worsen, the ability of drawing water descends, at this moment, loosen bolt 7, take off end cover 6, fill in corresponding bell jar 93 with the straw that water content is high, utilize the rich straw of water content to have certain leakproofness, replace the wearing and tearing to the sealed pad of cam, and is simple in operation, and convenient in replacement, and the maintenance cost is low.

Example two:

the difference between this embodiment and the first embodiment is:

in this embodiment, still include fan 14 and protection frame 15, fan 14 fixed connection is in the output shaft of double-shaft motor 3 left end, and protection frame 15 fixed connection is in the left surface of double-shaft motor 3, and protection frame 15 sets up with the cooperation of fan 14.

Specifically, set up like this, when double-shaft motor 3 operates, left output shaft drives fan 14 rotatory, cools down the heat dissipation to double-shaft motor 3 self, prevents self high temperature influence performance.

Example three:

the difference between this embodiment and the first embodiment is:

in this embodiment, still include butterfly valve 11, filter screen 12 and inlet tube 13, inlet tube 13 fixed connection is in the water inlet department of impeller case 5, and butterfly valve 11 connects in series in the middle part of inlet tube 13, and filter screen 12 fixed connection is in the water inlet department of inlet tube 13.

Specifically, set up like this, when drawing water, rivers get into impeller case 5 after filter through filter screen 12, prevent that impurity such as sand from getting into impeller case 5 wearing and tearing sealed pad, when needs regulating pondage, the size of the volume of controlling drawing water, convenient to use of rotary butterfly valve 11.

When in use: the double-shaft motor 3 is turned on by the control switch 10, the right end of the output shaft of the double-shaft motor 3 drives the main gear 81 to rotate, the main gear 81 drives the driven gear 83 to rotate by being meshed with the driven gear 83, the driven gear 83 drives the second synchronizing gear 85 to rotate by the first rotating shaft 82, the second synchronizing gear 85 drives the first synchronizing gear 84 to rotate, the first synchronizing gear 84 drives the second rotating shaft 87 to rotate synchronously, so that the first cam 91 and the second cam 92 synchronously and reversely move, high pressure is formed on one side of the impeller box 5, vacuum is formed on the other side of the impeller box 5, so as to pump water, when pumping water, water flows into the impeller box 5 after being filtered by the filter screen 12, so that impurities such as sand and the like are prevented from entering the impeller box 5 to abrade a sealing gasket, when the water amount needs to be adjusted, the butterfly valve 11 is rotated to control the pumping water amount, and because of the long-time meshing friction of the first cam 91 and the, lead to the leakproofness variation, the ability of drawing water descends, at this moment, loosen bolt 7, take off end cover 6, fill in corresponding bell jar 93 with the straw that water content is high, utilize the water content to richen the straw and have certain leakproofness, replace the wearing and tearing to the cam sealing pad, and easy operation, it is convenient to change, and the maintenance cost is low, in the time of 3 moving of double-shaft motor, left output shaft drives fan 14 rotatory, and the heat dissipation of cooling down to double-shaft motor 3 self prevents self high temperature influence performance.

It should be noted that the two-shaft motor 3 disclosed in this embodiment can be freely configured according to practical application scenarios, and may be a YX3 series three-phase asynchronous motor manufactured by suzhou liduo motor limited, preferably, the rotation speed is below 3000 rpm, and the method commonly used in the prior art is adopted for controlling the two-shaft motor 3 to operate by the control switch 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lobe rotor pump, characterized by: including biax motor (3), transmission unit (8) and unit (9) that draws water, the right side fixedly connected with reducing gear box (4) of biax motor (3), the right side of reducing gear box (4) is provided with impeller case (5), transmission unit (8) set up in the inside of reducing gear box (4), unit (9) that draws water sets up in the inside of impeller case (5), still include bottom plate (1), support (2) and control switch (10), support (2) fixed connection is in the upper end of bottom plate (1), the upper end of support (2) and the lower fixed surface of biax motor (3) are connected, control switch (10) fixed connection is in the side of support (2), and external power source is connected to control switch (10) electricity, and biax motor (3) are connected to control switch (10) electricity.

2. A lobe rotor pump according to claim 1, characterized in that: the transmission unit (8) comprises a main gear (81), a first rotating shaft (82), a secondary gear (83), a first synchronous gear (84), a second synchronous gear (85), a partition plate (86) and a second rotating shaft (87), wherein the partition plate (86) is fixedly connected to the middle of the reduction gearbox (4), the left end of the second rotating shaft (87) is fixedly connected with a bearing arranged at the upper end of the partition plate (86), the right end of the second rotating shaft (87) penetrates through a bearing arranged at the upper end of the right side plate of the reduction gearbox (4) in a matched manner and extends into the impeller box (5), the main gear (81) is fixedly connected to the end of the right side output shaft of the double-shaft motor (3) through a pin key, the main gear (81) is positioned at the left side of the partition plate (86), the left end of the first rotating shaft (82) is fixedly connected with the bearing arranged at the lower end of the left side plate of the reduction gearbox (4), the first rotating shaft (82) penetrates through the bearing arranged at the partition plate (86) and, the driven gear (83) is fixedly connected to the extrados of the first rotating shaft (82), the driven gear (83) is meshed with the main gear (81), the first synchronous gear (84) is fixedly connected to the extrados of the right end of the first rotating shaft (82), the first synchronous gear (84) is located on the right side of the partition plate (86), the second synchronous gear (85) is fixedly connected to the extrados of the second rotating shaft (87), and the second rotating shaft (87) is meshed with the first synchronous gear (84).

3. A lobe rotor pump according to claim 2, wherein: the water pumping unit (9) comprises a first cam (91), a second cam (92), a tapered groove (93) and a pin column (94), the first cam (91) is fixedly connected to the right end of the second rotating shaft (87), the second cam (92) is fixedly connected to the right end of the first rotating shaft (82), the arc surfaces of the first cam (91) and the second cam (92) are matched and arranged, the tapered groove (93) is respectively arranged inside the ends of the first cam (91) and the second cam (92), and the pin column (94) is respectively and fixedly connected to two inner side faces of the tapered groove (93).

4. A lobe rotor pump according to claim 3, wherein: the impeller box is characterized by further comprising an end cover (6) and a bolt (7), wherein the end cover (6) is fixedly connected with the right side face of the impeller box (5) through the bolt (7).

5. A lobe rotor pump according to claim 4, characterized in that: sealing gaskets are arranged on the left side face of the end cover (6), the outer arc face of the first cam (91) and the outer arc face of the second cam (92).

6. A lobe rotor pump according to claim 1, characterized in that: still include fan (14) and protection frame (15), fan (14) fixed connection is in the output shaft of biax motor (3) left end, protection frame (15) fixed connection is in the left surface of biax motor (3), protection frame (15) and fan (14) cooperation setting.

7. A lobe rotor pump according to claim 1, characterized in that: still include butterfly valve (11), filter screen (12) and inlet tube (13), inlet tube (13) fixed connection is in the water inlet department of impeller box (5), butterfly valve (11) establish ties in the middle part of inlet tube (13), filter screen (12) fixed connection is in the water inlet department of inlet tube (13).