WO2020248623A1 - 一种水润滑螺杆式空气压缩机 - Google Patents

一种水润滑螺杆式空气压缩机 Download PDF

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Publication number
WO2020248623A1
WO2020248623A1 PCT/CN2020/076596 CN2020076596W WO2020248623A1 WO 2020248623 A1 WO2020248623 A1 WO 2020248623A1 CN 2020076596 W CN2020076596 W CN 2020076596W WO 2020248623 A1 WO2020248623 A1 WO 2020248623A1
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WIPO (PCT)
Prior art keywords
housing
water
rotating shaft
rotor
seal
Prior art date
Application number
PCT/CN2020/076596
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English (en)
French (fr)
Inventor
黄俊锋
Original Assignee
泉州市华德机电设备有限公司
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Application filed by 泉州市华德机电设备有限公司 filed Critical 泉州市华德机电设备有限公司
Priority to ZA2020/05474A priority Critical patent/ZA202005474B/en
Publication of WO2020248623A1 publication Critical patent/WO2020248623A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • 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
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • 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

Definitions

  • the invention relates to the technical field of air compressor equipment, in particular to a water-lubricated screw air compressor.
  • an air compressor also known as an air compressor
  • It is an engineering equipment that pressurizes the atmosphere into high-pressure gas.
  • Air compressors include screw-type air compressors. Most of the existing air compressors use oil for cooling, but the use of oil will cause certain pollution. At present, there are also air compressors that use water to lubricate and cool the market. The airtightness is not ideal, and when the water leak occurs, the situation cannot be detected in time, and corresponding measures are taken, which causes the water leakage flow to increase, and the water flows into the bearing and other equipment, causing serious damage to the equipment and indirectly increasing the production cost. When some rotors are rotated and pressurized, it is easy to cause relative rotation between the shaft and the rotating body, and the equipment is prone to failure. The air outlets of the existing air compressors are all set at the rear end of the housing. Large, the back end cover of the shell is thin, and the force bearing capacity is weak. When the air pressure is large enough, the back end cover cannot withstand its pressure, which will cause equipment damage and safety accidents. Encourage us to improve and invent.
  • the purpose of the present invention is to overcome the above shortcomings and provide a water-lubricated screw air compressor.
  • a water-lubricated screw air compressor comprising a motor connecting seat, an end cover connected to the motor connecting seat, and a shell connected to the motor connecting seat with a cavity inside.
  • a rotor with a rack is axially provided inside the housing, the rotor includes a rotating body and a rotating shaft, the rotating shaft is sleeved on the surface of the rotating shaft, the surface of the rotating shaft is provided with a spiral groove, the spiral concave The groove is opposite to the rotating direction of the rack of the rotating body, a bearing is arranged between the rotating shaft and the housing, and a mechanical seal is also arranged between the bearing and the housing, and the mechanical seal is used to prevent The fluid substance in the housing enters the bearing.
  • first shaft seal is used to prevent lubricating oil in the bearing from entering the mechanical seal
  • second shaft seal is used to prevent dust from entering the bearing
  • a cavity is provided between the first shaft seal and the mechanical seal
  • the bottom end of the chamber is provided with a drain hole communicating with the outside
  • the surface of the housing is provided with an air inlet communicating with the cavity of the housing
  • the side is provided with a drainage hole communicating with the cavity of the housing.
  • an air outlet is provided on one side of the motor connection seat, and the air outlet communicates with the cavity of the housing.
  • both the bottom of the motor connection seat and the bottom of the housing are provided with a hook device
  • the hook device includes a cover and a hook
  • the cover is fixedly connected to the hook and can pass through the cover Push and pull the hook from the bottom of the motor connection seat or the bottom of the housing.
  • the mechanical seal includes a static seal ring and a dynamic seal ring
  • the static seal ring is in contact with the dynamic seal ring
  • the dynamic seal ring is connected to the rotating shaft by a spring, and the rotating shaft can drive The movable sealing ring rotates.
  • a wear-resistant coating is provided between the first shaft seal and the rotating shaft, and the wear-resistant coating covers the surface of the end of the rotating shaft.
  • the rotor includes a male rotor and a female rotor, and the male rotor and the female rotor have the same structure and are meshed and connected by a rack.
  • the housing is made of stainless steel.
  • the rotating body is made of PEEK material.
  • the ratio of the slot sizes of the male rotor and the female rotor is 7:5.
  • a through hole is provided on the surface of the housing.
  • a gasket is provided between the housing and the cover.
  • the beneficial effect of the present invention is: through the chamber and drain hole between the mechanical seal and the first shaft seal, the seal is strong, even if water leaks, it can be discharged through the drain hole of the chamber , It can be discovered in time and corresponding measures can be taken; when the rotor is rotating, the rotor will not rotate relative to the shaft.
  • the water outlet is set on the side of the motor connection seat with strong force to ensure For the safety of human body and equipment, it is convenient to check whether the lubricating oil in the bearing is full and to facilitate the replacement of lubricating oil by pulling it out through the hook.
  • Figure 1 is a schematic diagram of the structure of the air compressor of the present invention.
  • Figure 2 is a schematic diagram of the explosive decomposition structure of the air compressor of the present invention.
  • FIG. 3 is a schematic diagram of the structure of the motor connection base of the present invention.
  • Figure 4 is a schematic diagram of the housing structure of the present invention.
  • Figure 5 is a schematic diagram of the rotor structure of the present invention.
  • Figure 6 is a schematic diagram of the structure of the shaft of the present invention.
  • the present invention is a water-lubricated screw air compressor, which includes a motor connection base 1, an end cover 22 connected to the motor connection base 1, and an empty interior connected to the motor connection base 1.
  • the housing 3 of the cavity is provided with a rotor 4 with a rack in the axial direction.
  • the rotor 4 includes a rotating body 41 and a rotating shaft 42 sleeved on the surface of the rotating shaft 42.
  • a spiral groove 10 is provided on the surface of 42.
  • the spiral groove 10 is opposite to the rotation direction of the rack of the rotor 41.
  • a bearing 5 is provided between the shaft 42 and the housing 3.
  • a mechanical seal 6 is also provided between the housing 3, and the mechanical seal 6 is used to prevent the fluid substance in the housing 3 from entering the bearing 5.
  • the bearing 5 is provided with a sleeve on the side close to the mechanical seal 6
  • the first shaft seal 8 of the rotating shaft 42 is provided with a second shaft seal 9 sleeved on the rotating shaft 42 on the other side.
  • the first shaft seal 8 is used to prevent the lubricating oil in the bearing 5 from entering the shaft.
  • the mechanical seal 6, the second shaft seal 9 is used to prevent dust from entering the bearing 5, a chamber 21 is provided between the first shaft seal 8 and the mechanical seal 6, and the bottom end of the chamber 21 is provided There is a drainage hole 20 communicating with the outside, the surface of the housing 3 is provided with an air inlet 15 communicating with the cavity of the housing 3, and a water inlet 16 communicating with the cavity of the housing 3 is provided on the side.
  • An air outlet 19 is provided on one side of the motor connecting seat 1, and the air outlet 19 is in communication with the cavity of the housing 3; the air enters the housing 3 from the air inlet 15, and the rotor 4 rotates to pressurize the air, and at the same time Water flows into the housing 3 from the water inlet 16 to cool and lubricate and fill the gap of the rotor 4. The pressurized gas flows out from the air outlet 19.
  • the shaft 42 and the rotor 41 rotate at the same time.
  • the rotation direction of the groove 10 and the rotating body 41 is opposite, so that the rotating body 41 and the rotating shaft 42 will not rotate relative to each other.
  • the cavity 21 and the drain hole 20 between the mechanical seal 6 and the first shaft seal 8 are sealed Even if water leaks, it can be discharged through the drain hole 20 of the chamber 21. It can be found in time and corresponding measures should be taken.
  • the water outlet is set on the side of the motor connection seat 1 with strong force-bearing capacity to ensure the human body and For the safety of the equipment, it is convenient to check whether the lubricating oil in the bearing 5 is full and to facilitate the replacement of the lubricating oil by pulling it out through the hook 112.
  • the bottom of the motor connection base 1 and the bottom of the housing 3 are both provided with a hook device 11, the hook device 11 includes a cover 111 and a hook 112, the cover 111 and the bottom
  • the pull hook 112 is fixedly connected, and the pull hook 112 can be pushed and pulled out from the bottom of the motor connection seat 1 or the bottom of the housing 3 through the cover 111; when lubricating oil is added to the bearing 5, Grab the cover 111 to pull the hook 112 out.
  • the surface of the hook 112 drips with lubricating oil, it indicates that the lubricating oil in the bearing 5 is saturated. It is convenient to check whether the lubricating oil in the bearing 5 is full and to facilitate the replacement of the lubricating oil.
  • the mechanical seal 6 includes a static seal ring 62 and a dynamic seal ring 61.
  • the static seal ring 62 is in contact with the dynamic seal ring 61.
  • the rotating shaft 42 is connected, and the rotating shaft 42 can drive the dynamic seal ring 61 to rotate; the dynamic seal ring 61 is attached to the static seal ring 62 to form a mechanical seal 6 with good sealing performance.
  • a wear-resistant coating 18 is provided between the first shaft seal 8 and the rotating shaft 42.
  • the wear-resistant coating 18 covers the end surface of the rotating shaft 42; The smoothness of the contact surface of a shaft seal 8 and the hardness of the rotating shaft 42.
  • the rotor 4 includes a male rotor 14 and a female rotor 13.
  • the male rotor 14 and the female rotor 13 have the same structure and are meshed and connected by a rack; the male rotor 14 and the female rotor 13 mesh with each other. Turn to pressurize the atmosphere.
  • the shell 3 is made of stainless steel; so that the shell 3 is not easy to rust.
  • the rotating body 41 is made of PEEK material; the PEEK material has strong heat resistance and stable insulation.
  • the size ratio of the slot sizes of the male rotor 14 and the female rotor 13 is 7:5, so that when the male rotor 14 and the female rotor 13 rotate and pressurize, the pressurizing effect is better.
  • the surface of the casing 3 is provided with through holes 17 to facilitate heat dissipation in the casing 3.
  • a gasket 12 is provided between the casing 3 and the cover 111 to prevent pressure, corrosion, and natural expansion and contraction of pipelines between the cover 111 and the casing 3. leakage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

一种水润滑螺杆式空气压缩机，包括电机连接座(1)、与电机连接座(1)连接的端盖(22)以及与电机连接座(1)相连接的内部为空腔的壳体(3)。壳体(3)内部轴向设有带有齿条的转子(4)，转子(4)包括转体(41)和转轴(42)，转轴(42)表面设有螺旋凹槽(10)，螺旋凹槽(10)与转体(41)的齿条旋转方向相反，转轴(42)与壳体(3)之间设有轴承(5)，轴承(5)与壳体(3)之间还设有机械密封(6)，轴承(5)一侧设有第一轴封(8)，另一侧设有第二轴封(9)，第一轴封(8)与机械密封(6)之间设有腔室(21)，腔室(21)的底端设有与外界相通的排水孔(20)，出气口(19)设置在受力能力较强的电机连接座(1)侧面，保证了设备的安全，即使出现水泄露，可通过腔室(21)的排水孔(20)排出，可以及时发现，转子在转动时，转体(41)与转轴(42)之间不会发生相对转动。

Description

一种水润滑螺杆式空气压缩机 技术领域
本发明涉及空气压缩机设备技术领域，具体为一种水润滑螺杆式空气压缩机。
 背景技术
在工业生产中，空气压缩机（又称空压机）是一种广泛使用的设备，它是将大气加压成高压气体的一种工程设备。
 技术问题
空气压缩机包括螺杆式空气压缩机，现有的大部分空气压缩机采用油液进行冷却，但是采用油液会造成一定的污染，目前市场也存在利用水润滑冷却的空气压缩机，但是其水密封性不够理想，而且在刚出现水泄漏时，无法及时发现情况，并采取相应的措施，导致水泄露流量加大，水流入轴承等设备，对设备造成严重损害，间接提高了生产成本，现有的转子在转动加压时，容易造成转轴和转体之间产生相对转动，设备容易出现故障，现有的空气压缩机的出气口都设置在壳体的后端，由于出气口的气压比较大，壳体的后端盖较薄，受力能力较弱，当气压足够大时，后端盖无法承受其压力，会造成设备损害和安全事故。促使我们进行改进和发明。
 技术解决方案
本发明的目的在于克服上述不足，提供一种水润滑螺杆式空气压缩机。
为实现上述目的，本发明的技术解决方案是：一种水润滑螺杆式空气压缩机，包括电机连接座、与电机连接座连接的端盖以及与电机连接座相连接的内部为空腔的壳体，所述壳体内部轴向设有带有齿条的转子，所述转子包括转体和转轴，所述转轴套设于转轴表面，所述转轴表面设有螺旋凹槽，所述螺旋凹槽与所述转体的齿条旋转方向相反，所述转轴与所述壳体之间设有轴承，所述轴承与所述壳体之间还设有机械密封，所述机械密封用于防止壳体内流体物质进入轴承，所述轴承靠近所述机械密封的一侧设有套设于所述转轴的第一轴封,另一侧设有套设于所述转轴的第二轴封，所述第一轴封用于防止所述轴承内的润滑油进入所述机械密封，所述第二轴封用于防止灰尘进入轴承，所述第一轴封与所述机械密封之间设有腔室，所述腔室的底端设有与外界相通的排水孔，所述壳体表面设有与所述壳体空腔相通的进气口，侧面设有与所述壳体空腔相通的进水口，所述电机连接座一侧设有出气口，所述出气口与所述壳体空腔相通。
优选的，所述电机连接座的底部和所述壳体的底部均设有拉钩装置，所述拉钩装置包括封盖和拉钩，所述封盖与所述拉钩固定连接，可通过所述封盖将所述拉钩从所述电机连接座的底部或所述壳体的底部推进和拉出。
优选的，所述机械密封包括静密封环和动密封环，所述静密封环与所述动密封环相贴合，所述动密封环通过弹簧与所述转轴连接，且所述转轴可带动所述动密封环转动。
优选的，所述第一轴封和所述转轴之间设有耐磨涂层，所述耐磨涂层覆盖于所述转轴端部表面。
优选的，所述转子包括阳转子和阴转子，所述阳转子和所述阴转子结构相同，且通过齿条啮合连接。
优选的，所述壳体由不锈钢材料制成。
优选的，所述转体由PEEK材料制成。
优选的，所述阳转子和阴转子的转槽大小比例为7：5。
优选的，所述壳体表面设有通孔。
优选的，所述壳体与所述封盖之间设有垫片。
 有益效果
通过采用上述的技术方案，本发明的有益效果是：通过机械密封和第一轴封之间的腔室和排水孔，使得密封性较强，即使出现水泄露，可通过腔室的排水孔排出，可以及时发现，并采取相应措施；通过螺旋凹槽使得转子在转动时，转体与转轴之间不会发生相对转动，将出水口设置在受力能力较强的电机连接座侧面，保证了人体和设备的安全，通过拉钩拉出可以方便查看轴承内润滑油是否加满以及方便润滑油的更换。
 附图说明
图1为本发明空气压缩机结构示意图；
图2为本发明空气压缩机爆炸分解结构示意图；
图3为本发明电机连接座结构示意图；
图4为本发明壳体结构示意图；
图5为本发明转子结构示意图；
图6为本发明转轴结构示意图；
主要附图标记说明：1电机连接座，2端盖，3壳体，4 转子41转体，42转轴，5轴承，6机械密封，61动密封环，62静密封环，7弹簧，8第一轴封，9第二轴封，10螺旋凹槽，11拉钩装置，111封盖，112拉钩，12垫片，13阴转子，14阳转子，15进气口，16进水口，17通孔，18耐磨涂层，19出气口，20排水孔，21腔室。
 本发明的实施方式
以下结合附图和具体实施例来进一步说明本发明。
如图1-图6所示，本发明为一种水润滑螺杆式空气压缩机，包括电机连接座1、与电机连接座1连接的端盖22以及与电机连接座1相连接的内部为空腔的壳体3，所述壳体3内部轴向设有带有齿条的转子4，所述转子4包括转体41和转轴42，所述转轴42套设于转轴42表面，所述转轴42表面设有螺旋凹槽10，所述螺旋凹槽10与所述转体41的齿条旋转方向相反，所述转轴42与所述壳体3之间设有轴承5，所述轴承5与所述壳体3之间还设有机械密封6，所述机械密封6用于防止壳体3内流体物质进入轴承5，所述轴承5靠近所述机械密封6的一侧设有套设于所述转轴42的第一轴封8,另一侧设有套设于所述转轴42的第二轴封9，所述第一轴封8用于防止所述轴承5内的润滑油进入所述机械密封6，所述第二轴封9用于防止灰尘进入轴承5，所述第一轴封8与所述机械密封6之间设有腔室21，所述腔室21的底端设有与外界相通的排水孔20，所述壳体3表面设有与所述壳体3空腔相通的进气口15，侧面设有与所述壳体3空腔相通的进水口16，所述电机连接座1一侧设有出气口19，所述出气口19与所述壳体3空腔相通；大气从进气口15进入壳体3内，转子4转动对大气进行加压，同时水从进水口16流入壳体3内，达到冷却和润滑以及填充转子4间隙的作用，加压后的气体从出气口19流出，转子4在转动时，转轴42和转体41同时转动，螺旋凹槽10与转体41的旋转方向相反，使得转体41与转轴42之间不会发生相对转动，通过机械密封6和第一轴封8之间的腔室21和排水孔20，使得密封性较强，即使出现水泄露，可通过腔室21的排水孔20排出，可以及时发现，并采取相应措施，将出水口设置在受力能力较强的电机连接座1侧面，保证了人体和设备的安全，通过拉钩112拉出可以方便查看轴承5内润滑油是否加满以及方便润滑油的更换。
如图2所示，所述电机连接座1的底部和所述壳体3的底部均设有拉钩装置11，所述拉钩装置11包括封盖111和拉钩112，所述封盖111与所述拉钩112固定连接，可通过所述封盖111将所述拉钩112从所述电机连接座1的底部或所述壳体3的底部推进和拉出；在往轴承5内加入润滑油时，通过抓取封盖111将拉钩112拉出，当拉钩112表面滴有润滑油时，表示轴承5内的润滑油达到饱和，可以方便查看轴承5内润滑油是否加满以及方便润滑油的更换。
如图2所示，所述机械密封6包括静密封环62和动密封环61，所述静密封环62与所述动密封环61相贴合，所述动密封环61通过弹簧7与所述转轴42连接，且所述转轴42可带动所述动密封环61转动；通过动密封环61与静密封环62相贴合，形成机械密封6，密封性较好。
如图6所示，所述第一轴封8和所述转轴42之间设有耐磨涂层18，所述耐磨涂层18覆盖于所述转轴42端部表面；提高转轴42与第一轴封8接触表面的光滑度和转轴42的硬度。
如图2所示，所述转子4包括阳转子14和阴转子13，所述阳转子14和所述阴转子13结构相同，且通过齿条啮合连接；通过阳转子14和阴转子13相互啮合转动，对大气进行加压。
所述壳体3由不锈钢材料制成；使得壳体3不易生锈。
所述转体41由PEEK材料制成；PEEK材料耐热性强，绝缘性稳定。
如图2所示，所述阳转子14和阴转子13的转槽大小大小比例为7：5；使得阳转子14和阴转子13在转动加压时，加压效果更好。
如图4所示，所述壳体3表面设有通孔17；便于壳体3内的散热。
如图2所示，所述壳体3与所述封盖111之间设有垫片12；用以防止封盖111与壳体3之间受到压力、腐蚀、和管路自然地热胀冷缩泄漏。
以上所述的，仅为本发明的较佳实施例而已，不能限定本发明的范围，凡是依本发明申请专利范围所作的均等变化与装饰，皆应仍属于本发明涵盖的范围内。
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Claims (10)

  1. 一种水润滑螺杆式空气压缩机，包括电机连接座、与电机连接座连接的端盖以及与电机连接座相连接的内部为空腔的壳体，其特征在于：所述壳体内部轴向设有带有齿条的转子，所述转子包括转体和转轴，所述转轴套设于转轴表面，所述转轴表面设有螺旋凹槽，所述螺旋凹槽与所述转体的齿条旋转方向相反，所述转轴与所述壳体之间设有轴承，所述轴承与所述壳体之间还设有机械密封，所述机械密封用于防止壳体内流体物质进入轴承，所述轴承靠近所述机械密封的一侧设有套设于所述转轴的第一轴封,另一侧设有套设于所述转轴的第二轴封，所述第一轴封用于防止所述轴承内的润滑油进入所述机械密封，所述第二轴封用于防止灰尘进入轴承，所述第一轴封与所述机械密封之间设有腔室，所述腔室的底端设有与外界相通的排水孔，所述壳体表面设有与所述壳体空腔相通的进气口，侧面设有与所述壳体空腔相通的进水口，所述电机连接座一侧设有出气口，所述出气口与所述壳体空腔相通。
  2. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述电机连接座的底部和所述壳体的底部均设有拉钩装置，所述拉钩装置包括封盖和拉钩，所述封盖与所述拉钩固定连接，可通过所述封盖将所述拉钩从所述电机连接座的底部或所述壳体的底部推进和拉出。
  3. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述机械密封包括静密封环和动密封环，所述静密封环与所述动密封环相贴合，所述动密封环通过弹簧与所述转轴连接，且所述转轴可带动所述动密封环转动。
  4. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述第一轴封和所述转轴之间设有耐磨涂层，所述耐磨涂层覆盖于所述转轴端部表面。
  5. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述转子包括阳转子和阴转子，所述阳转子和所述阴转子结构相同，且通过齿条啮合连接。
  6. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述壳体由不锈钢材料制成。
  7. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述转体由PEEK材料制成。
  8. 根据权利要求5所述的一种水润滑螺杆式空气压缩机，其特征在于：所述阳转子和所述阴转子的转槽大小比例为7：5。
  9. 根据权利要求1所述的一种水润滑螺杆式空气压缩机，其特征在于：所述壳体表面设有通孔。
  10. 根据权利要求1或2所述的一种水润滑螺杆式空气压缩机，其特征在于：所述壳体与所述封盖之间设有垫片。
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CN110285054A (zh) * 2019-06-14 2019-09-27 泉州市华德机电设备有限公司 一种水润滑螺杆式空气压缩机
CN111520321B (zh) * 2020-05-15 2022-09-13 大连宏亚泵业有限公司 一种机械密封化工泵及其使用方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301142A (zh) * 2009-06-10 2011-12-28 阿特拉斯·科普柯空气动力股份有限公司 用于螺杆式压缩机的转子
JP2013189925A (ja) * 2012-03-14 2013-09-26 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
CN203272132U (zh) * 2011-07-25 2013-11-06 复盛股份有限公司 喷水式双螺旋空气压缩机
CN103939347A (zh) * 2013-01-18 2014-07-23 苏州京程科技有限责任公司 一种用于水润滑单螺杆无油空气压缩机的机械密封装置
CN108757453A (zh) * 2018-08-23 2018-11-06 中山市捷科能机电科技有限公司 一种喷水双螺杆压缩机
CN110285054A (zh) * 2019-06-14 2019-09-27 泉州市华德机电设备有限公司 一种水润滑螺杆式空气压缩机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112515C (zh) * 1996-03-27 2003-06-25 北越工业株式会社 螺旋流体机械的螺旋转子的轴结构
CN1112301C (zh) * 2001-01-19 2003-06-25 四川明达船用密封有限公司 高速飞船艉轴密封装置
CN201982294U (zh) * 2011-01-30 2011-09-21 天津市三木泵业有限公司 转子泵
CN202900665U (zh) * 2012-11-09 2013-04-24 上海齐耀螺杆机械有限公司 喷水冷却式螺杆压缩机用油水混合润滑式轴封装置
CN107654377A (zh) * 2017-09-28 2018-02-02 上海齐耀螺杆机械有限公司 无油螺杆机的轴封装置
CN208651168U (zh) * 2018-07-07 2019-03-26 东莞市山田精密机械有限公司 一种无油水润滑螺杆式空气压缩机
CN210686302U (zh) * 2019-06-14 2020-06-05 泉州市华德机电设备有限公司 一种水润滑螺杆式空气压缩机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301142A (zh) * 2009-06-10 2011-12-28 阿特拉斯·科普柯空气动力股份有限公司 用于螺杆式压缩机的转子
CN203272132U (zh) * 2011-07-25 2013-11-06 复盛股份有限公司 喷水式双螺旋空气压缩机
JP2013189925A (ja) * 2012-03-14 2013-09-26 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
CN103939347A (zh) * 2013-01-18 2014-07-23 苏州京程科技有限责任公司 一种用于水润滑单螺杆无油空气压缩机的机械密封装置
CN108757453A (zh) * 2018-08-23 2018-11-06 中山市捷科能机电科技有限公司 一种喷水双螺杆压缩机
CN110285054A (zh) * 2019-06-14 2019-09-27 泉州市华德机电设备有限公司 一种水润滑螺杆式空气压缩机

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