CN117905672A - Antiseep screw air compressor - Google Patents
Antiseep screw air compressor Download PDFInfo
- Publication number
- CN117905672A CN117905672A CN202410309363.7A CN202410309363A CN117905672A CN 117905672 A CN117905672 A CN 117905672A CN 202410309363 A CN202410309363 A CN 202410309363A CN 117905672 A CN117905672 A CN 117905672A
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- pressurizing
- piston
- screw
- pipe
- double
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- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/064—Cooling by a cooling jacket in the pump casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention particularly relates to an anti-leakage screw air compressor, which relates to the technical field of air compressor equipment and comprises an installation frame, a screw pressurizing assembly and a double-piston pressurizing device, wherein the screw pressurizing assembly and the double-piston pressurizing device are installed in the middle of the installation frame, the double-piston pressurizing device is provided with two groups and is respectively connected with one side of the screw pressurizing assembly, one side of the screw pressurizing assembly is connected with a closed cover, the closed cover is arranged between the screw pressurizing assembly and the double-piston pressurizing device, the flange on the other side of the screw pressurizing assembly is connected with a flange vacuum cover, compressed air is conveyed by the meshed female rotor and male rotor of the screw pressurizing assembly, the air in a machine head shell can be further pressurized by matching with the double-piston pressurizing device during the operation, the pressurizing effect of the equipment is improved, and the air compressed by the double-piston pressurizing device enters a pressurizing channel through a conical gradual pipe, and the air outlet end of the conical gradual pipe is positioned at the inner side of the closed cover, so that air leakage is not easy to occur during the use.
Description
Technical Field
The invention particularly relates to an anti-leakage screw air compressor, and relates to the technical field of air compressor equipment.
Background
Air compressors are of several types, including piston, screw, turbine, plunger, etc.; each of the air compressors has the characteristics, and is suitable for different application scenes and requirements; the piston reciprocating air compressor is simple in structure, low in cost and suitable for simple gas pressurization; the screw air compressor is efficient, energy-saving and oil-free, and is suitable for occasions requiring high-quality and high-capacity air sources; the screw air compressor is a common air compression device, and the working principle of the screw air compressor is to compress air in the process of mutual engagement by using two rotors (commonly called screws) with spiral tooth shapes, when a rod rotates, the air is sucked into a compression cavity, the volume of the compression cavity gradually decreases along with the rotation of the rotors, so that the air is compressed, the compressed air is discharged through an exhaust valve and is cooled through a cooler and then supplied to a user; the screw air compressor is mainly divided into two types, namely a single screw air compressor and a double screw air compressor, wherein the single screw air compressor is provided with only one screw rotor, the double screw air compressor is provided with two meshed male and female rotors, and the double screw air compressor is more stable in operation and relatively low in maintenance cost due to the symmetry and balance of the structure of the double screw air compressor, so that the double screw air compressor is widely applied to various fields;
However, the existing double-screw air compressor on the market is usually used independently, the compression effect of equipment is not improved by combining with other effective pressurizing mechanisms, and when the double-screw air compressor is used, sealing gaskets at the joint of a rotor and sealing elements such as a 0-shaped ring of the double-screw air compressor possibly lose the original sealing performance due to aging, abrasion or poor use, so that air is directly leaked from a joint to the outside of a shell, the air compression effect is affected, the air pressure is reduced, and meanwhile, under the continuous working condition of the screw air compressor, the shell also easily generates larger heat, equipment and a motor are easily overheated, the service life of accessories is affected, the whole use effect is required to be improved, and therefore, the anti-leakage screw air compressor is required to be provided for improving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an anti-leakage screw air compressor so as to solve the problems in the background art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the anti-leakage screw air compressor comprises a mounting frame, a screw pressurizing assembly and a double-piston pressurizing device, wherein the screw pressurizing assembly and the double-piston pressurizing device are arranged in the middle of the mounting frame, and the double-piston pressurizing device is provided with two groups and is respectively connected with one side of the screw pressurizing assembly;
One side of the screw pressurizing assembly is connected with a sealing cover, the sealing cover is arranged between the screw pressurizing assembly and the double-piston pressurizing device, and the flange on the other side of the screw pressurizing assembly is connected with a flange vacuum cover;
The screw pressurizing assembly comprises a machine head outer shell, a female rotor and a male rotor which rotate in the machine head outer shell and mutually match with compressed air, the inner cavity of the machine head outer shell is matched with the female rotor and the male rotor, the right upper side of the machine head outer shell is communicated with an air inlet pipe, and the left lower side of the machine head outer shell is communicated with an air outlet pipe;
The middle parts of the right rotating shafts of the female rotor and the male rotor are respectively provided with a pressurizing channel, the left surfaces of the rotors of the female rotor and the male rotor are respectively provided with a plurality of pressurizing holes communicated with the pressurizing channels, and each pressurizing hole is correspondingly arranged above the air outlet pipe;
two conical gradual pipes are arranged on one side of the closed cover, and can be respectively inserted on the pressurizing channels of the female rotor and the male rotor in a rotating way;
the two double-piston pressurizing devices are respectively connected with pressurizing channels of the female rotor and the male rotor through two conical gradual pipes.
A preferred technical scheme is as follows: the double-piston pressurizing device comprises a four-way connecting pipe fitting and piston pressurizing assemblies which are oppositely arranged at the left side end and the right side end of the four-way connecting pipe fitting, and the upper side of the four-way connecting pipe fitting is connected with one end of a conical gradual change pipe;
the four-way connecting pipe fitting structure comprises a transverse through pipe, a feeding port and a discharging port, wherein the feeding port is communicated with the lower side of the transverse through pipe, the discharging port is connected with the upper side of the transverse through pipe, the feeding port and the discharging port are both provided with a non-return pressurizing valve assembly, and the discharging port is connected with a conical gradual pipe flange and communicated with a pressurizing channel.
A preferred technical scheme is as follows: the piston pressurizing assembly comprises two piston pipes oppositely arranged on two sides of the four-way connecting pipe fitting and a piston arranged in the piston pipe, wherein a telescopic push rod for pushing the piston to move in the piston pipe is arranged on the outer side of the piston pipe, and the two piston pipes are respectively connected with flanges at two ends of the transverse pipe.
A preferred technical scheme is as follows: the non-return pressurization valve assembly comprises a sealing plate, a triangular sliding cage fixedly arranged on the upper side of the sealing plate and a movable valve ball arranged on the inner side of the triangular sliding cage, wherein the movable valve ball is arranged on the upper side of the sealing plate, the sealing plate is fixedly arranged on the cross sections of the discharge port and the feed port, and a valve port for clamping the movable valve ball is arranged in the middle of the sealing plate.
A preferred technical scheme is as follows: the middle part of the inner side of the triangular sliding cage is vertically fixedly provided with a sliding inserted bar, the sliding inserted bar tightly penetrates through the middle part of the movable valve ball from top to bottom, the inner side of the triangular sliding cage is fixedly provided with a return spring, and the return spring is sleeved on the sliding inserted bar and props against the upper side of the movable valve ball.
A preferred technical scheme is as follows: the air inlet pipe and the air outlet pipe are respectively arranged on two sides of the water cooling annular groove adjacently, and two water cooling inlet and outlet pipes are arranged at the bottom of the outer casing of the machine head and are externally connected with a cooling tower through the two water cooling inlet and outlet pipes.
A preferred technical scheme is as follows: the sealing cover is characterized in that one side of the sealing cover is tightly locked with an outer sealing plate through bolts, two conical gradual pipes are respectively integrally penetrated and fixed on the outer sealing plate, a rubber plug and a rotating bearing are sleeved on the outer side of the conical gradual pipe inside the sealing cover, and the conical gradual pipes are rotatably connected with the inner wall of the pressurizing channel through the rubber plug and the rotating bearing.
A preferred technical scheme is as follows: the caliber of the air inlet pipe is larger than that of the air outlet pipe, a driving motor for driving the female rotor to rotate is arranged on the outer side of the flange vacuum cover on the left side of the machine head outer shell, the female rotor and the male rotor are in meshed transmission through gears, and the gear transmission is completed in the flange vacuum cover.
A preferred technical scheme is as follows: the mounting frame bottom installation is provided with multiunit crossbeam supporting component and is used for installing support screw rod pressurizing component and double-piston pressurizing device, both sides are provided with the step pole respectively around the mounting frame bottom, and the step pole transversely is listed as and is had a plurality of locking holes, crossbeam supporting component is including the backup pad of vertical setting, and this backup pad is used for supporting locking support aircraft nose shell body and double-piston pressurizing device, both ends are provided with the bolt cardboard with step pole adaptation respectively around the backup pad to through the bolt with bolt cardboard and corresponding locking hole locking connection.
A preferred technical scheme is as follows: the caliber of the conical gradual change pipe is gradually reduced from the four-way connecting pipe fitting to the pressurizing channel, and handles are respectively and fixedly arranged on two sides of the top of the installation frame.
By adopting the technical scheme, the invention has the following advantages:
the invention has compact and ingenious structure, the female rotor and the male rotor of the screw pressurizing assembly are meshed with each other to convey compressed air, the operation of matching the double-piston pressurizing device can further pressurize the air in the machine head outer shell during the period, thereby improving the pressurizing effect of the equipment, the air compressed by the double-piston pressurizing device enters the pressurizing channel through the conical gradual change pipe, and the air outlet end of the conical gradual change pipe is positioned at the inner side of the sealing cover, so that air leakage is not easy to occur during the use;
because the double-piston pressurizing device is provided with two groups and is correspondingly connected in the pressurizing channels at one side of the female rotor and the male rotor respectively, the pressurizing channels of the female rotor and the male rotor are respectively provided with compressed gas, and simultaneously the compressed gas is extruded into the inner cavity of the outer shell of the machine head, the air extruded into the inner cavity of the outer shell of the machine head is further compressed, and the air compression effect is good;
In addition, the left side and the right side of the four-way connecting pipe fitting are provided with opposite piston pressurizing assemblies, and when the pistons of the two opposite piston pressurizing assemblies move in opposite or opposite directions at the same speed and pressure, the pistons can generate larger force, so that the compression effect and the working efficiency of air in the four-way connecting pipe fitting are improved;
The aperture of the pipe orifice of the conical gradual change pipe is gradually reduced from large to small and is inserted into the conveying pressurizing channel, so that a certain air compression effect is also achieved when the gas is conveyed;
The sealing cover and the flange vacuum cover are respectively connected with the left side and the right side of the machine head shell in a flange manner, so that the sealing effect of the machine head shell can be improved, the direct outward leakage of air pressure due to abrasion of a sealing piece can be prevented, the driving motor is also arranged outside the flange vacuum cover, the driving motor is spaced, and when the machine head shell is used, the heat of the machine head shell is not easy to directly influence the use of the motor;
The inner side of the machine head outer shell is provided with a water cooling annular groove, the water cooling annular groove is circulated by connecting two water cooling inlet and outlet pipes with an external cooling water tower and is used for being matched with heat generated during high-strength pressurizing operation of a cooling screw pressurizing assembly and a double-piston pressurizing device, and the water cooling annular groove is arranged adjacent to an air inlet pipe and an air outlet pipe, so that air in and out can be cooled;
Through set up the non-return pressurization valve subassembly respectively at the feed port and the discharge port of cross connection pipe fitting, can cooperate the use of piston pressurization subassembly piston like this, realize that the feed port can only admit air, the discharge port can only discharge compressed air's effect.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the screw pressurizing assembly and the double-piston pressurizing device of the present invention;
FIG. 3 is a schematic view of the closure and screw pressurizing assembly of the present invention;
FIG. 4 is a schematic diagram of the structure of the dual piston pressurization device of the present invention with the outer housing of the handpiece separated;
FIG. 5 is a schematic view of the water-cooled annular groove of the present invention;
FIG. 6 is a schematic view of the structure of the female rotor and the male rotor of the present invention;
FIG. 7 is a cross-sectional view of the connection of the female rotor, male rotor and tapered transition tube of the present invention;
FIG. 8 is a schematic diagram of a dual piston pressurization device of the present invention;
FIG. 9 is a schematic top sectional view of a dual piston pressurization device of the present invention;
FIG. 10 is a cross-sectional view of a dual piston pressurization device of the present invention;
FIG. 11 is a schematic view of a four-way connection tube of the present invention;
FIG. 12 is a schematic view of the structure of the check pressurization valve assembly of the present invention;
FIG. 13 is a schematic view of the structure of the beam support assembly of the present invention;
In the figure: the installation frame 1, the screw pressurizing assembly 2, the pressurizing hole 20, the machine head outer housing 21, the air inlet pipe 22, the air outlet pipe 23, the water cooling annular groove 24, the water cooling inlet and outlet pipe 25, the female rotor 26, the male rotor 27, the driving motor 28, the pressurizing channel 29, the double-piston pressurizing device 3, the four-way connecting pipe fitting 31, the piston pressurizing assembly 32, the piston pipe 321, the piston 322, the telescopic push rod 323, the cross pipe 33, the feed port 34, the discharge port 35, the non-return pressurizing valve assembly 36, the sealing plate 361, the triangular sliding cage 362, the movable valve ball 363, the sliding insert rod 364, the return spring 365, the sealing cover 4, the flange vacuum cover 40, the tapered progressive pipe 41, the outer sealing plate 42, the rubber plug 43, the rotating bearing 44, the cross beam supporting assembly 5, the supporting plate 51, the bolt clamping plate 52, the step rod 6, the locking hole 61, and the handle 7.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-13, the invention provides a technical scheme of an anti-leakage screw air compressor, which comprises the following steps of; the device comprises a mounting frame 1, a screw pressurizing assembly 2 and a double-piston pressurizing device 3, wherein the screw pressurizing assembly 2 and the double-piston pressurizing device 3 are arranged in the middle of the mounting frame 1, the double-piston pressurizing device 3 is provided with two groups and is respectively connected to one side of the screw pressurizing assembly 2, the screw pressurizing assembly 2 pressurizes compressed air, and simultaneously, the high-pressure air compressed by the two groups of double-piston pressurizing devices 3 is extruded into a machine head outer shell 21, so that the air compression pressure in the machine head outer shell 21 is further improved; specific: the screw pressurizing assembly 2 comprises a machine head outer shell 21, and a female rotor 26 and a male rotor 27 which rotate in the machine head outer shell 21 and are mutually matched with compressed air, the inner cavity of the machine head outer shell 21 is matched with the female rotor 26 and the male rotor 27, an air inlet pipe 22 is arranged on the upper right side of the machine head outer shell 21 in a communicating mode, an air outlet pipe 23 is arranged on the lower left side of the machine head outer shell 21 in a communicating mode, the caliber of the air inlet pipe 22 is larger than that of the air outlet pipe 23, a certain compression effect is achieved when air is discharged, a driving motor 28 drives the female rotor 26 and the male rotor 27 which are mutually meshed to rotate to initially compress air in the machine head outer shell 21, pressurizing channels 29 are formed in the middle of rotating shafts on the right sides of the female rotor 26 and the male rotor 27, a plurality of pressurizing holes 20 which are communicated with the pressurizing channels 29 are formed in the left side surfaces of the female rotor 26 and the male rotor 27, and the pressurizing holes 20 are correspondingly arranged above the air outlet pipe 23, and therefore air pressurized by the pressurizing holes 20 can be extruded and output by the air outlet pipe 23 at a higher speed; two conical gradual pipes 41 are arranged on one side of the closed cover 4, the two conical gradual pipes 41 can be respectively inserted on the pressurizing channels 29 of the female rotor 26 and the male rotor 27 in a rotating way, but the conical gradual pipes 41 do not rotate along with the female rotor 26 and the male rotor 27, and the two double-piston pressurizing devices 3 are respectively communicated with the pressurizing channels 29 of the female rotor 26 and the male rotor 27 through the two conical gradual pipes 41; therefore, when the two double-piston pressurizing devices 3 compress air, compressed air can be respectively fed into the pressurizing channels 29 of the female rotor 26 and the male rotor 27 through the two conical gradual pipes 41, and simultaneously the compressed air is extruded into the inner cavity of the outer casing 21 of the machine head, and the pressure of the air is higher than the pressure in the outer casing 21 of the machine head, so that the air extruded into the inner cavity of the outer casing 21 of the machine head can be further compressed, and the air compressing effect is good.
In this embodiment, the dual-piston pressurizing device 3 includes a four-way connecting pipe 31 and piston pressurizing assemblies 32 disposed at left and right sides of the four-way connecting pipe 31, and an upper side of the four-way connecting pipe 31 is connected to one end of a tapered gradient pipe 41, specifically: the four-way connecting pipe fitting 31 comprises a transverse pipe 33, a feeding port 34 and a discharging port 35, wherein the feeding port 34 is communicated with the lower side of the transverse pipe 33, the discharging port 35 is connected with the upper side of the transverse pipe 33, the feeding port 34 and the discharging port 35 are both provided with a non-return pressurizing valve assembly 36, the discharging port 35 is in flange connection with a conical gradual change pipe 41 and communicated with a pressurizing channel 29, the piston pressurizing assembly 32 is matched with the non-return pressurizing valve assembly 36 for use, the pressure in the four-way connecting pipe fitting 31 can be pushed upwards to the conical gradual change pipe 41 by the discharging port 35 for continuous compression, and then the pressure is respectively sent into the pressurizing channels 29 of the female rotor 26 and the male rotor 27, and then is extruded into the inner cavity of the machine head outer shell 21 through pressurizing holes 20 on the left sides of the female rotor 26 and the male rotor 27.
In the above embodiment, the piston pressurizing assembly 32 includes two piston pipes 321 disposed on two opposite sides of the four-way connecting pipe 31 and a piston 322 disposed inside the piston pipe 321, a telescopic push rod 323 for pushing the piston 322 to move in the piston pipe 321 is mounted on the outer side of the piston pipe 321, the telescopic push rod 323 can operate synchronously by using a hydraulic telescopic rod or a pneumatic telescopic rod, the two piston pipes 321 are respectively connected with two end flanges of the cross pipe 33, so that the two opposite telescopic push rods 323 can push the piston 322 to move in the two piston pipes 321 relatively or reversely, when the two pistons 322 are displaced reversely, the check pressurizing valve assembly 36 of the feeding port 34 of the four-way connecting pipe 31 can be opened by using air pressure, so that air enters the cross pipe 33, and at this time, the check pressurizing valve assembly 36 of the discharging port 35 is tightly closed under the action of the air pressure; when the two pistons 322 are displaced relative to the pistons, the non-return pressure valve assembly 36 of the feed port 34 is tightly closed, and the non-return pressure valve assembly 36 on the upper side of the non-return discharge port 35 is opened under the action of pressure, so that the air outlet is realized, and the air is repeatedly carried out in sequence, so that the air is continuously extruded and conveyed into the conical gradual change pipe 41; the caliber of the conical gradual change pipe 41 is gradually reduced from the four-way connecting pipe fitting 31 to the pressurizing channel 29 and is inserted into the conveying pressurizing channel 29, so that the double-piston pressurizing device 3 also has a certain air compressing effect when compressed air enters the conical gradual change pipe 41 for conveying, and the air pressure entering the pressurizing channel 29 is improved;
In the above embodiment, the non-return pressurization valve assembly 36 includes a sealing plate 361, a triangular sliding cage 362 fixedly arranged on the upper side of the sealing plate 361, and a movable valve ball 363 arranged on the inner side of the triangular sliding cage 362, the triangular sliding cage 362 is provided with a sliding space capable of lifting the movable valve ball 363, the movable valve ball 363 is arranged on the upper side of the sealing plate 361, the sealing plate 361 is fixedly arranged on the cross section of the discharge port 35 and the feed port 34, and the middle part of the sealing plate 361 is provided with a valve port for clamping the movable valve ball 363, so that the movable valve ball 363 always moves up and down on the upper side of the sealing plate 361, and the specific use state is as follows:
When the two pistons 322 are displaced oppositely, the movable valve ball 363 of the discharge port 35 is tightly attached to the valve port of the tight sealing plate 361 under the action of air pressure, so as to tightly close the non-return pressurizing valve assembly 36 of the discharge port 35, and the movable valve ball 363 of the feed port 34 is lifted upwards along the sliding space of the triangular sliding cage 362 under the action of air pressure, and air enters the transverse tube 33 from the feed port 34;
When the two pistons 322 are relatively displaced, the movable valve ball 363 of the feeding port 34 slides down along the sliding space of the triangular sliding cage 362 under the air pressure pushing action and presses the valve port of the sealing plate 361, so as to tightly close the non-return pressurizing valve assembly 36 of the feeding port 34, and the movable valve ball 363 of the discharging port 35 is lifted upwards under the air pressure pushing action and is separated from the valve port of the tight sealing plate 361, and the air in the transverse tube 33 is compressed upwards to the tapered gradient tube 41.
The sliding insert rod 364 is vertically and fixedly arranged in the middle of the inner side of the triangular sliding cage 362, the sliding insert rod 364 tightly penetrates through the middle of the movable valve ball 363 from top to bottom, so that the movable valve ball 363 can be lifted and slid up and down along the sliding insert rod 364 to enable sliding to be more stable, the return spring 365 is fixedly arranged in the inner side of the triangular sliding cage 362, the return spring 365 is sleeved on the sliding insert rod 364 and abuts against the upper side of the movable valve ball 363, the return spring 365 provides a constant pretightening force, the valve is kept in a closed state under the condition that no pressure difference exists, and when the system needs gas flow, the pressure difference overcomes the pretightening force of the spring to push the valve to be opened, and gas is allowed to pass through; once the pressure differential has disappeared, the spring force will close the valve again, preventing the reverse flow of gas, in order to ensure that the valve can be reliably opened and closed; and the return spring 365 may also protect the valve from damage due to pressure fluctuations or shock. If the valve is accidentally opened due to accidental pressure impact, the spring can rapidly close the valve, so that the use stability is improved;
In order to improve the tightness of the equipment and reduce the possibility of leakage, one side of the screw pressurizing assembly 2 is connected with a sealing cover 4, the sealing cover 4 is arranged between the screw pressurizing assembly 2 and the double-piston pressurizing device 3, the other side of the screw pressurizing assembly 2 is connected with a flange vacuum cover 40 in a flange mode, an outer sealing plate 42 is tightly locked on one side of the sealing cover 4 through bolts, two tapered gradient pipes 41 are respectively integrally penetrated and fixed on the outer sealing plate 42, the sealing cover 4 and the flange vacuum cover 40 are respectively connected with the left side and the right side of the machine head outer shell 21 in a flange mode to realize double-side sealing, sealing effect of the machine head outer shell 21 can be improved, the effect of preventing air pressure from directly leaking outwards due to abrasion of sealing pieces is facilitated, air compressed by the double-piston pressurizing device 3 enters the pressurizing channel 29 through the tapered gradient pipes 41, and an air outlet end of the tapered gradient pipes 41 is positioned on the inner side of the sealing cover 4, so that compressed air entering the pressurizing channel 29 by the double-piston pressurizing device 3 is not easy to leak.
Further, in order to improve the tightness of the connection between the tapered gradient tube 41 and the pressurizing channel 29, a rubber plug 43 and a rotating bearing 44 are sleeved on the outer side of the tapered gradient tube 41 in the closed cover 4, and the tapered gradient tube 41 is rotationally connected with the inner wall of the pressurizing channel 29 through the rubber plug 43 and the rotating bearing 44;
Meanwhile, a driving motor 28 for driving the female rotor 26 to rotate is arranged on the outer side of the flange vacuum cover 40 on the left side of the machine head outer shell 21, the female rotor 26 and the male rotor 27 are in meshed transmission through gears, and the transmission is completed in the flange vacuum cover 40 through the gear transmission, wherein the gear transmission mainly further ensures synchronous rotation of the female rotor 26 and the male rotor 27, the driving motor 28 is arranged outside the flange vacuum cover 40 and is spaced from the inner cavity of the heating machine head outer shell 21, and therefore, when the machine head outer shell 21 is used, the heat of the machine head outer shell 21 is not easy to directly influence the use work of the driving motor 28;
In this embodiment, the middle part of the inner side of the outer casing 21 of the machine head is separately and hermetically provided with a water cooling annular groove 24, the water cooling annular groove 24 is distributed along the periphery of the inner cavity of the outer casing 21 of the machine head, an air inlet pipe 22 and an air outlet pipe 23 are respectively and adjacently arranged at two sides of the water cooling annular groove 24, two water cooling inlet pipes 25 are arranged at the bottom of the outer casing 21 of the machine head, and the two water cooling inlet pipes 25 are externally connected with a cooling tower for circulation, so that heat generated during high-strength pressurization working of the cooling screw pressurizing assembly 2 and the double-piston pressurizing device 3 is matched, overheating and heat conduction of the outer casing 21 of the machine head are prevented, and the water cooling annular groove 24 is arranged adjacent to the air outlet pipe 23 of the air inlet pipe 22, thereby being beneficial to cooling in-out air.
For the convenience to the installation of equipment support screw rod pressurization subassembly 2 and double piston pressurizing device 3, the installation of installing frame 1 bottom is provided with three group's crossbeam supporting component 5 and is used for installing support screw rod pressurization subassembly 2 and double piston pressurizing device 3, both sides are provided with step pole 6 respectively around installing frame 1 bottom, and step pole 6 transversely has a plurality of locking holes 61 to be listed as, crossbeam supporting component 5 includes the backup pad 51 of vertical setting, this backup pad 51 is used for supporting locking support aircraft nose shell 21 and double piston pressurizing device 3 with supporting, both ends are provided with the bolt cardboard 52 with step pole 6 adaptation respectively around the backup pad 51 to through the bolt with the locking of bolt cardboard 52 with corresponding locking hole 61 be connected, can remove backup pad 51 to required supporting position like this, and the handle 7 has been set firmly respectively to installing frame 1 top both sides, it is nimble convenient to use.
While the foregoing embodiments have shown and described the fundamental principles and main features of the invention as well as the advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, but rather by the description of the embodiments and descriptions, various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a antiseep screw air compressor machine which characterized in that: the device comprises a mounting frame (1), a screw pressurizing assembly (2) and a double-piston pressurizing device (3), wherein the screw pressurizing assembly (2) and the double-piston pressurizing device (3) are arranged in the middle of the mounting frame (1), and the double-piston pressurizing device (3) is provided with two groups and is respectively connected with one side of the screw pressurizing assembly (2);
One side of the screw pressurizing assembly (2) is connected with a sealing cover (4), the sealing cover (4) is arranged between the screw pressurizing assembly (2) and the double-piston pressurizing device (3), and the flange on the other side of the screw pressurizing assembly (2) is connected with a flange vacuum cover (40);
The screw pressurizing assembly (2) comprises a machine head outer shell (21), a female rotor (26) and a male rotor (27) which rotate in the machine head outer shell (21) and are mutually matched with compressed air, the inner cavity of the machine head outer shell (21) is matched with the female rotor (26) and the male rotor (27), an air inlet pipe (22) is communicated with the right upper side of the machine head outer shell (21), and an air outlet pipe (23) is communicated with the left lower side of the machine head outer shell (21);
The middle parts of the right rotating shafts of the female rotor (26) and the male rotor (27) are respectively provided with a pressurizing channel (29), the left surfaces of the rotors of the female rotor (26) and the male rotor (27) are respectively provided with a plurality of pressurizing holes (20) communicated with the pressurizing channels (29), and each pressurizing hole (20) is correspondingly arranged above the air outlet pipe (23);
Two conical gradual pipes (41) are arranged on one side of the closed cover (4), and the two conical gradual pipes (41) can be respectively inserted on the pressurizing channels (29) of the female rotor (26) and the male rotor (27) in a rotating way;
The two double-piston pressurizing devices (3) are respectively connected with pressurizing channels (29) of the female rotor (26) and the male rotor (27) through two conical gradual pipes (41).
2. The anti-leakage screw air compressor of claim 1, wherein: the double-piston pressurizing device (3) comprises a four-way connecting pipe fitting (31) and piston pressurizing assemblies (32) which are oppositely arranged at the left side end and the right side end of the four-way connecting pipe fitting (31), and the upper side of the four-way connecting pipe fitting (31) is connected with one end of a conical gradual change pipe (41);
The four-way connecting pipe fitting (31) structure comprises a transverse pipe (33), a feeding port (34) and a discharging port (35), wherein the feeding port (34) is communicated with the lower side of the transverse pipe (33), the discharging port (35) is connected with the upper side of the transverse pipe (33), the feeding port (34) and the discharging port (35) are both provided with a non-return pressurizing valve assembly (36), and the discharging port (35) is in flange connection with a conical gradual change pipe (41) and communicated with a pressurizing channel (29).
3. The anti-leakage screw air compressor of claim 2, wherein: the piston pressurizing assembly (32) comprises two piston pipes (321) which are oppositely arranged on two sides of the four-way connecting pipe fitting (31) and a piston (322) which is arranged in the piston pipe (321), a telescopic push rod (323) which is used for pushing the piston (322) to move in the piston pipe (321) is arranged on the outer side of the piston pipe (321), and the two piston pipes (321) are respectively connected with flanges at two ends of the transverse pipe (33).
4. A leakage-proof screw air compressor according to claim 2 or 3, wherein: the non-return pressurization valve assembly (36) comprises a sealing plate (361), a triangular sliding cage (362) fixedly arranged on the upper side of the sealing plate (361), and a movable valve ball (363) arranged on the inner side of the triangular sliding cage (362), wherein the movable valve ball (363) is arranged on the upper side of the sealing plate (361), the sealing plate (361) is fixedly arranged on the cross section of the discharge port (35) and the section of the feed port (34), and a valve port for clamping the movable valve ball (363) is formed in the middle of the sealing plate (361).
5. The anti-leakage screw air compressor of claim 4, wherein: the middle part of the inner side of the triangular sliding cage (362) is vertically fixedly provided with a sliding inserted rod (364), the sliding inserted rod (364) tightly penetrates through the middle part of the movable valve ball (363) from top to bottom, the inner side of the triangular sliding cage (362) is fixedly provided with a return spring (365), and the return spring (365) is sleeved on the sliding inserted rod (364) and props against the upper side of the movable valve ball (363).
6. The anti-leakage screw air compressor of claim 1, wherein: the water cooling annular groove (24) is independently and hermetically arranged in the middle of the inner side of the machine head outer shell (21), the water cooling annular groove (24) is distributed and arranged along the periphery of the inner cavity of the machine head outer shell (21), the air inlet pipe (22) and the air outlet pipe (23) are respectively and adjacently arranged on two sides of the water cooling annular groove (24), two water cooling inlet and outlet pipes (25) are arranged at the bottom of the machine head outer shell (21), and a water cooling tower is externally connected through the two water cooling inlet and outlet pipes (25).
7. The anti-leakage screw air compressor of claim 1, wherein: the sealing cover (4) is tightly locked with an outer sealing plate (42) through bolts, two conical gradual pipes (41) are respectively integrally penetrated and fixed on the outer sealing plate (42), a rubber plug (43) and a rotating bearing (44) are sleeved on the outer side of the conical gradual pipe (41) in the sealing cover (4), and the conical gradual pipe (41) is rotationally connected with the inner wall of the pressurizing channel (29) through the rubber plug (43) and the rotating bearing (44).
8. The anti-leakage screw air compressor of claim 1, wherein: the caliber of the air inlet pipe (22) is larger than that of the air outlet pipe (23), a driving motor (28) for driving the female rotor (26) to rotate is arranged on the outer side of the flange vacuum cover (40) on the left side of the machine head outer shell (21), the female rotor (26) and the male rotor (27) are in meshed transmission through gears, and the gear transmission is completed in the flange vacuum cover (40).
9. The anti-leakage screw air compressor of claim 1, wherein: the utility model discloses a cross beam type dual-piston pressure device, including installation frame (1), including frame (1), cross beam supporting component (5), support screw rod (2) and dual-piston pressure device (3) are provided with respectively in both sides around installation frame (1) bottom, and step pole (6) transversely are listed as and are had a plurality of locking hole (61), cross beam supporting component (5) including vertically setting's backup pad (51), this backup pad (51) be used for with support locking support aircraft nose shell body (21) and dual-piston pressure device (3), both ends are provided with bolt cardboard (52) with step pole (6) adaptation respectively around backup pad (51) to through bolt with bolt cardboard (52) with corresponding locking hole (61) locking connection.
10. The anti-leakage screw air compressor of claim 2, wherein: the caliber of the conical gradual change pipe (41) gradually decreases from the four-way connecting pipe fitting (31) to the pressurizing channel (29), and handles (7) are respectively and fixedly arranged on two sides of the top of the mounting frame (1).
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| CN202410309363.7A CN117905672B (en) | 2024-03-19 | 2024-03-19 | Antiseep screw air compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410309363.7A CN117905672B (en) | 2024-03-19 | 2024-03-19 | Antiseep screw air compressor |
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