CN201137558Y - Oil lubrication-free nitrogen supercharger - Google Patents
Oil lubrication-free nitrogen supercharger Download PDFInfo
- Publication number
- CN201137558Y CN201137558Y CNU2007200154541U CN200720015454U CN201137558Y CN 201137558 Y CN201137558 Y CN 201137558Y CN U2007200154541 U CNU2007200154541 U CN U2007200154541U CN 200720015454 U CN200720015454 U CN 200720015454U CN 201137558 Y CN201137558 Y CN 201137558Y
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Abstract
The utility model relates to a non-lubricated air lubrication nitrogen booster, belonging to the air booster technical field, comprising a host, a motor, a cooling water tank and an adjuster, wherein the host comprises a belt wheel, a crank shaft, a connecting rod, a cylinder, a piston, a guiding ring, a piston ring, an air inlet valve, an air outlet valve and an air tank. The cylinder is an upright dual-row water cooling air cylinder whose central line is vertical to the ground, the crank shaft is hyperbolic with a corner of 180 degrees, the guiding piston with a cross head is provided with a stuff device above the guiding cylinder, the guiding ring, piston ring and stuff devices are all stuffed with polytetrafluoroethylene material, and the bearing adopts a dual-end sealing rolling bearing. The utility model has the advantages that the guiding ring and the piston ring have low and uniform abrasion and better air sealing condition, the cylinder and the sealing elements have long service life. The adopted cross head structure confirms the motion linearity of the piston element, and the low abrasion on the piston ring and the guiding ring. The vibration of the utility model is reduced. The utility model adds a stuff device to reduce gas leakage. Each motion element and sealing element adopts self lubricating material and structure, and eliminates lubricant to avoid air pollution.
Description
Technical field
The utility model relates to the gas-booster technical field, particularly a kind of full-oil-free lubrication nitrogen supercharging machine.
Background technique
Hyperbaric oxygen chamber oxygen, the argon gas in the STEELMAKING PRODUCTION stirs, and welding all needs and will use behind the gas boosting with operations such as nitrogen protection welderings.Used in the past supercharging mechanical has plenty of because mechanical oil pollution source of the gas is arranged, and influences original gas purity; What have then is because mechanical seal is bad, causes leakage, gas loss; What have then is because mechanical life is too short, does not satisfy customer requirements.Therefore must develop new product at above problem and shortage.
Summary of the invention
The purpose of this utility model is to provide a kind of vibration that can reduce machine, reduce friction, improve working life, enhanced leaktightness effect leaks, does not use the full-oil-free lubrication nitrogen supercharging machine that lubricant oil can proper functioning to reduce.
The purpose of this utility model realizes by following technical proposals:
Full-oil-free lubrication nitrogen supercharging machine of the present utility model comprises main frame, motor, and cooling water tank and controlling device, main frame foreskin belt wheel, bent axle, connecting rod, cylinder, piston assembly, guide ring, piston ring, combination valve, gas holder is characterized in that:
1) described cylinder adopts vertical biserial water-cooled cylinder, and this vertical biserial water-cooled cylinder center line is perpendicular to ground, and the water cooling plant of water-cooled cylinder is connected with described cooling water tank,
2) described bent axle is that hyperbolic turns, and 180 ° of angles have the guide piston of cross head design, be connected with described motor by belt pulley-belt,
3) above described guide cylinder, set up filler device,
4) described guide ring is made up of one-level guide ring and secondary guide ring, and described piston ring is made up of first stage piston ring and second piston ring, is separately positioned in the biserial water-cooled cylinder.
Described guide ring, piston ring, filler device letter are all filled the polytetrafluoroethylene material.
The used bearing of connection bearing, the piston assembly of block bearing, bent axle and the connecting rod of the connection bearing bent axle of described belt pulley and bent axle adopts the both-end sealed rolling bearing.
Described filler device is located at the stuffing box of piston rod upper end, is contained in the three flap seal circles and the six flap seal circles of the upper and lower settings in this stuffing box, and the sealing surface between the filler is A, and the sealing surface between filler and the stuffing box is B.
Be provided with the three flap seal circles and the six flap seal circles of two layers of upper and lower settings in the described stuffing box.
Sealing surface A between the described filler, the area of contact of the sealing surface B between filler and the stuffing box is not less than 80%, and the area of contact between filler and the piston rod is not less than 70%.
Axial clearance between described three flap seal circles and the six flap seal circles makes between seal ring can do radially sliding of 0.15-0.3mm.
Described controlling device comprises pressure gauge, the safety valve that is located on the gas holder, be located at the one-way valve on the gas piping that connects gas holder and cylinder, with the magnetic starter that described motor is connected, be located at the pressure switch between gas piping and the magnetic starter.
According to full-oil-free lubrication nitrogen supercharging machine of the present utility model, motor is by belt-belt pulley transmission during work, driving the bent axle generation rotatablely moves, through connecting rod, guide piston and piston rod piston is moved reciprocatingly in cylinder, volume in the cylinder is changed, cause the pressure in the cylinder to change.Nitrogen enters the one-level cylinder by the one-level suction valve, reaches the exhaust pressure requirement through the secondary compression.
According to full-oil-free lubrication nitrogen supercharging facility of the present utility model following advantage is arranged:
1) since the vertical cylinder center line perpendicular to ground, the action of gravity that cylinder surfaces, guide cylinder internal surface do not bear piston makes guide ring, piston ring scuffing minimum, and evenly, gas seal condition the best, cylinder and seal element long working life.
2) adopt cross head design to guarantee the linarity of piston assembly motion, the normal force of crankpin is born and is passed to fuselage by crosshead, makes piston ring, guide ring cylinder wear little.180 ° of bent axle, crank throw angles when not adding counterweight, make rotating inertia force=0, reduce the vibration of machine.
3) above guide cylinder, increase filler device, reduce gas leakage.
4) be dusty gas not, do not use lubricant oil, to guarantee the machine proper functioning.Each moving element and seal element must adopt self lubricating material and structure.For example: guide ring, piston ring, stuffing box all adopt fills the polytetrafluoroethylene material, this kind material was not only high temperature resistant, but also wear-resisting, the life-span is long.The both-end sealed rolling bearing is all adopted in the support that moving element bears, and connecting rod tip is loaded on the bent axle.
5) when the volume flow of pressure-increasing machine during greater than air consumption, the gas pressure in the pipe network will raise; When the volume flow of pressure-increasing machine during less than air consumption, the gas pressure in the pipe network can reduce again.Overpressure can cause excessive discharge temperature, the motor overload running.Owing to be provided with controlling device, in limited time, pressure switch is moved on gas holder internal pressure overrate, with circuitry cuts, and the motor stall, pressure-increasing machine stops air feed; Prescribe a time limit when the gas holder internal pressure is lower than under the rating value, pressure switch is connected circuit, and motor turns round again, and pressure-increasing machine continues air feed.Therefore can guarantee pressure-increasing machine air feed safely and effectively.
6) economic benefit: along with the operation of product, its cost is not compared and is not had very big increase with partly there being oily pressure-increasing machine, and this makes its cost performance have sizable advantage, has suitable competitive advantage, and the back annual sales revenue of going into operation is estimated and can be increased about 1,000,000.
Description of drawings
Fig. 1 is a main machine structure schematic representation of the present utility model.
Fig. 2 is the structural representation of seal arrangement of the present utility model.
Fig. 3 is a controlling device structural representation of the present utility model.
Embodiment
Given embodiment further specifies embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, full-oil-free lubrication nitrogen supercharging machine of the present utility model comprises main frame, motor 35 and controlling device, main frame foreskin belt wheel 1, bent axle 25, connecting rod 24, cylinder 6,8, piston assembly, guide ring 4, piston ring 7,9, combination valve 12,15, gas holder is characterized in that:
1) described cylinder 6,8 adopts vertical biserial water-cooled cylinder, and this vertical biserial water-cooled cylinder center line is perpendicular to ground, and the water cooling plant of water-cooled cylinder is connected with described cooling water tank,
2) described bent axle 25 is for hyperbolic turns, and 180 ° of angles have the guide piston 18 of cross head design, be connected with described motor 35 by belt pulley 1-belt,
3) above described guide cylinder 2, set up filler device,
4) described guide ring 4 is made up of one-level guide ring and secondary guide ring, and described piston ring is made up of first stage piston ring 7 and second piston ring 9, is separately positioned in the biserial water-cooled cylinder.
Described guide ring, piston ring, filler device letter are all filled the polytetrafluoroethylene material.
The connection bearing 26 of described belt pulley 1 and bent axle 25, the block bearing 21 of bent axle 25, the bent axle 25 bearing employing both-end sealed rolling bearing used with connection bearing 23, the piston assembly of connecting rod 24.
As shown in Figure 2, described filler device is located at the stuffing box 5 of piston rod 6 upper ends, is contained in the three flap seal circles and the six flap seal circles of the upper and lower settings in this stuffing box 5, and the sealing surface between the filler is A, and the sealing surface between filler and the stuffing box is B.
Be provided with the three flap seal circles 44 and the six flap seal circles 43 of two layers of upper and lower settings in the described stuffing box.
Sealing surface A41 between the described filler, the area of contact of the sealing surface B42 between filler and the stuffing box 5 is not less than 80%, and the area of contact between filler and the piston rod 17 is not less than 70%.
Axial clearance between described three flap seal circles 44 and the six flap seal circles 43 makes between seal ring can do radially sliding of 0.15-0.3mm.
Described controlling device comprises pressure gauge 32, the safety valve 33 that is located on the gas holder 31, be located at the one-way valve 34 on the gas piping 38 that connects gas holder 31 and cylinder 6,8, with the magnetic starter 36 that described motor 35 is connected, be located at the pressure switch 37 between gas piping 38 and the magnetic starter 36.
According to full-oil-free lubrication nitrogen supercharging machine of the present utility model, motor is by belt-belt pulley transmission during work, driving the bent axle generation rotatablely moves, through connecting rod, guide piston and piston rod piston is moved reciprocatingly in cylinder, volume in the cylinder is changed, cause the pressure in the cylinder to change.Nitrogen enters the one-level cylinder by the one-level suction valve, reaches the exhaust pressure requirement through the secondary compression.
Have following advantages according to oil lubrication-free nitrogen supercharger of the present utility model:
1) since the vertical cylinder center line perpendicular to ground, cylinder surfaces, guide cylinder inner surface Do not bear the Action of Gravity Field of piston, make guide ring, piston ring scuffing minimum, and evenly, gas Body air-proof condition the best, cylinder and potted component long working life.
2) adopt cross head design to guarantee the linearity of piston component motion, the normal direction of crankpin Power is born and is passed to fuselage by crosshead, make piston ring, guide ring cylinder wear little. Bent axle, 180 ° of crank throw angles when not adding counterweight, make rotating inertia force=0, reduce the vibration of machine.
3) above guide cylinder, increase filler device, reduce Leakage Gas.
4) be dusty gas not, do not use lubricating oil, to guarantee the machine normal operation. Each motion Parts and potted component must adopt self-lubricating material and structure. For example: guide ring, piston ring, Stuffing-box all adopts fills the polytetrafluoroethylene material, and this kind material is high temperature resistant, but also wear-resisting, longevity not only Life is long. The both-end sealed rolling bearing is all adopted in the support that moving component bears, and connecting rod tip is loaded on On the bent axle.
5) owing to be provided with adjusting device, on air accumulator internal pressure overrate, in limited time, press The power switch motion, with circuitry cuts, motor stalling, supercharger stops air feed; In air accumulator Pressure is lower than under the rated value prescribes a time limit, and pressure switch is connected circuit, and motor turns round again, supercharger Continue air feed. Therefore can guarantee safely and effectively air feed of supercharger.
Claims (8)
1, a kind of full-oil-free lubrication nitrogen supercharging machine comprises main frame, motor, and cooling water tank and controlling device, main frame foreskin belt wheel, bent axle, connecting rod, cylinder, piston assembly, guide ring, piston ring, combination valve, gas holder is characterized in that:
1) described cylinder adopts vertical biserial water-cooled cylinder, and this vertical biserial water-cooled cylinder center line is perpendicular to ground, and the water cooling plant of water-cooled cylinder is connected with described cooling water tank,
2) described bent axle is that hyperbolic turns, and 180 ° of angles have the guide piston of cross head design, be connected with described motor by belt pulley-belt,
3) above described guide cylinder, set up filler device,
4) described guide ring is made up of one-level guide ring and secondary guide ring, and described piston ring is made up of first stage piston ring and second piston ring, is separately positioned in the biserial water-cooled cylinder.
2, full-oil-free lubrication nitrogen supercharging machine according to claim 1, it is characterized in that: described guide ring, piston ring, filler device letter are all filled the polytetrafluoroethylene material.
3, full-oil-free lubrication nitrogen supercharging machine according to claim 1 is characterized in that the used bearing of connection bearing, the piston assembly of block bearing, bent axle and connecting rod of the connection bearing bent axle of described belt pulley and bent axle adopts the both-end sealed rolling bearing.
4, full-oil-free lubrication nitrogen supercharging machine according to claim 1, it is characterized in that described filler device is located at the stuffing box of piston rod upper end, be contained in the three flap seal circles and the six flap seal circles of the upper and lower settings in this stuffing box, sealing surface between the filler is A, and the sealing surface between filler and the stuffing box is B.
5, full-oil-free lubrication nitrogen supercharging machine according to claim 4 is characterized in that being provided with in the described stuffing box the three flap seal circles and the six flap seal circles of two layers of upper and lower settings.
6, full-oil-free lubrication nitrogen supercharging machine according to claim 4, it is characterized in that the sealing surface A between the described filler, the area of contact of sealing surface B between filler and the stuffing box is not less than 80%, and the area of contact between filler and the piston rod is not less than 70%.
7, full-oil-free lubrication nitrogen supercharging machine according to claim 5 is characterized in that axial clearance between described three flap seal circles and the six flap seal circles makes between seal ring can do radially sliding of 0.15-0.3mm.
8, full-oil-free lubrication nitrogen supercharging machine according to claim 1, it is characterized in that: described controlling device comprises pressure gauge, the safety valve that is located on the gas holder, be located at the one-way valve on the gas piping that connects gas holder and cylinder, with the magnetic starter that described motor is connected, be located at the pressure switch between gas piping and the magnetic starter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200154541U CN201137558Y (en) | 2007-10-20 | 2007-10-20 | Oil lubrication-free nitrogen supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200154541U CN201137558Y (en) | 2007-10-20 | 2007-10-20 | Oil lubrication-free nitrogen supercharger |
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|---|---|
| CN201137558Y true CN201137558Y (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200154541U Expired - Fee Related CN201137558Y (en) | 2007-10-20 | 2007-10-20 | Oil lubrication-free nitrogen supercharger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434435A (en) * | 2011-12-19 | 2012-05-02 | 安庆市佰联无油压缩机有限公司 | Oil-free lubrication high-pressure air compressor |
| CN107905976A (en) * | 2017-12-27 | 2018-04-13 | 安庆市佰联无油压缩机有限公司 | A kind of high-purity fluorine gas compressor |
| CN108167157A (en) * | 2017-11-15 | 2018-06-15 | 瑞立集团瑞安汽车零部件有限公司 | A kind of vertical air compressor machine |
| CN111396285A (en) * | 2019-04-09 | 2020-07-10 | 株式会社神户制钢所 | Compressor unit, method for stopping a compressor unit and plurality of compression stages |
-
2007
- 2007-10-20 CN CNU2007200154541U patent/CN201137558Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434435A (en) * | 2011-12-19 | 2012-05-02 | 安庆市佰联无油压缩机有限公司 | Oil-free lubrication high-pressure air compressor |
| CN108167157A (en) * | 2017-11-15 | 2018-06-15 | 瑞立集团瑞安汽车零部件有限公司 | A kind of vertical air compressor machine |
| CN108167157B (en) * | 2017-11-15 | 2023-10-20 | 浙江瑞立空压装备有限公司 | Vertical air compressor |
| CN107905976A (en) * | 2017-12-27 | 2018-04-13 | 安庆市佰联无油压缩机有限公司 | A kind of high-purity fluorine gas compressor |
| CN107905976B (en) * | 2017-12-27 | 2024-05-28 | 安庆市佰联无油压缩机有限公司 | High-purity fluorine gas compressor |
| CN111396285A (en) * | 2019-04-09 | 2020-07-10 | 株式会社神户制钢所 | Compressor unit, method for stopping a compressor unit and plurality of compression stages |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |