CN210423019U - Two-stage compression screw air compressor with double motors driving double main machines - Google Patents
Two-stage compression screw air compressor with double motors driving double main machines Download PDFInfo
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- CN210423019U CN210423019U CN201920987059.2U CN201920987059U CN210423019U CN 210423019 U CN210423019 U CN 210423019U CN 201920987059 U CN201920987059 U CN 201920987059U CN 210423019 U CN210423019 U CN 210423019U
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Abstract
The utility model discloses a two-stage compression screw air compressor machine of two host computers of bi-motor drive, which comprises a frame, the frame is equipped with one-level host computer, second grade host computer, connecting pipe and two motors. The primary host comprises a primary shell, a primary bearing seat and a primary screw rod, the primary shell is provided with a primary air inlet, and the primary bearing seat is provided with a primary air outlet. The secondary main machine comprises a secondary shell, a secondary bearing seat and a secondary screw rod, the secondary shell is provided with a secondary air inlet, and the secondary bearing seat is provided with a secondary air outlet. The connecting pipe is communicated with the first-stage air outlet and the second-stage air inlet. The first-stage motor and the second-stage motor are respectively in transmission connection with the first-stage screw rod and the second-stage screw rod. It has the following advantages: the primary host and the secondary host are driven by motors of the primary host and the secondary host to rotate respectively to realize compression, and the interstage compression ratio and the interstage pressure can be flexibly controlled by adjusting the rotating speeds of the two motors in a matched manner; saving the gearbox.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to two-stage compression screw air compressor machine of two motor drive double hosts.
Background
Current two-stage compression screw air compressor machine, which comprises a frame, the frame is equipped with one-level host computer, second grade host computer, connecting pipe, motor and gear box, the one-level host computer includes the one-level casing and establishes the one-level screw rod at the one-level casing, the second grade host computer includes the second grade casing and establishes the second grade screw rod at the second grade casing, motor and gear box are all installed in the frame, motor drive connects the gear box, the gear box has two output shafts, one-level screw rod and second grade screw rod are connected in the transmission respectively to two output shafts. It has the following disadvantages: 1. the interstage compression ratio is set in the design process, namely, the output speed ratio of the two output shafts (the output speed is set through a gear in the gear box) is fixed and cannot be changed, so that the compression ratio of the two-stage compression main machine is fixed and cannot be changed; 2. the gear box comprises gears, and the gears are used for transmission and impact and have high noise; 3. the mechanical requirement of the gear box is high, and the price is high; 4. the interstage pressure cannot be accurately controlled, and can only be controlled by the number of teeth of the gear.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two-stage compression screw air compressor machine of two motor drive two host computers, it has overcome among the background art not enough that two-stage compression screw air compressor machine exists.
The utility model provides an adopted technical scheme of its technical problem is:
the double-motor driven double-host two-stage compression screw type air compressor comprises a rack, wherein the rack is provided with a primary host, a secondary host and a connecting pipe; the primary host comprises a primary shell, a primary bearing seat and a primary screw, wherein the primary bearing seat is connected to the front end of the primary shell, the primary screw is connected with a bearing arranged in the primary bearing seat, the primary shell is provided with a primary air inlet, and the primary bearing seat is provided with a primary air outlet; the secondary main machine comprises a secondary shell, a secondary bearing seat and a secondary screw rod, the secondary bearing seat is connected to the front end of the secondary shell, the secondary screw rod is connected with a bearing arranged in the secondary bearing seat, the secondary shell is provided with a secondary air inlet, and the secondary bearing seat is provided with a secondary air outlet; the connecting pipe is communicated with the primary air outlet and the secondary air inlet; and the two motors are respectively a first-stage motor and a second-stage motor, and the first-stage motor and the second-stage motor are respectively in transmission connection with a first-stage screw rod and a second-stage screw rod.
In one embodiment: the primary main machine comprises a primary machine head fixedly arranged on the rack, the primary shell is fixedly arranged in front of the primary machine head, and the primary motor is connected to the primary machine head in a transmission manner and is connected with a primary screw; the secondary main machine comprises a secondary machine head fixedly arranged on the frame, the secondary shell is fixedly arranged in front of the secondary machine head, and the secondary motor is connected to the secondary machine head in a transmission mode and is connected with a secondary screw rod in a transmission mode.
In one embodiment: the transmission connection of the first-stage motor and the first-stage screw rod is coaxially fixedly connected, and the transmission connection of the second-stage motor and the second-stage screw rod is coaxially fixedly connected.
In one embodiment: and the axis of the first-stage screw and the axis of the second-stage screw are arranged in parallel.
In one embodiment: a first-stage air outlet pipe is integrally formed on the side surface of the first-stage bearing seat, the port of the first-stage air outlet pipe is the first-stage air outlet, the first-stage air outlet pipe is horizontally arranged, and the first-stage air outlet pipe and the first-stage screw rod are vertically arranged in a mode that the axis of the first-stage air outlet pipe is different from the axis; the side of the second-stage bearing seat is integrally formed with a second-stage air outlet pipe, the port of the second-stage air outlet pipe is the second-stage air outlet, the second-stage air outlet pipe is vertically arranged, and the axis different surfaces of the second-stage air outlet pipe and the second-stage screw rod are vertically arranged.
In one embodiment: the one-level screw rod axis and the second-level screw rod axis are arranged in parallel, the connecting pipe is arranged horizontally, and the connecting pipe and the one-level screw rod are arranged perpendicularly in a different surface mode.
In one embodiment: the frame includes base and adjustable shelf, the adjustable shelf can be established on the base with moving about from top to bottom, moreover be equipped with elastic mechanism between adjustable shelf and the base, one-level host computer and second grade host computer are all established on the adjustable shelf.
In one embodiment: the rotating speed of the second-stage screw is greater than that of the first-stage screw.
In one embodiment: the control system comprises two integrated frequency converters and a display and control integrated machine, the two integrated frequency converters are respectively connected with a first-stage motor and a second-stage motor, and the display and control integrated machine is connected with the two integrated frequency converters.
Compared with the background technology, the technical scheme has the following advantages:
the first-stage host and the second-stage host are driven by the motors of the first-stage host and the second-stage host to rotate so as to realize compression, and the interstage compression ratio and the interstage pressure are flexibly controlled by adjusting the rotating speed of the two motors, so that the defects in the background art are overcome, and the following technical effects are generated: 1. the interstage compression ratio can be flexibly adjusted, and the interstage pressure can be flexibly controlled through the matching of the rotating speeds of the two motors; 2. the gear box is saved, the cost is reduced, and the noise is low.
The transmission connection of the motor and the screw rod is coaxially and fixedly connected, the structure is compact, and the energy consumption is low.
The air outlet pipe is integrally formed on the side face of the bearing seat, and the port of the air outlet pipe is the air outlet, so that the connecting pipe is convenient to connect, the length of the pipeline is shortened, and the connection sealing performance and the connection stability are improved.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a schematic perspective view of an air compressor according to an embodiment.
Fig. 2 is a schematic sectional structure view of an air compressor according to an embodiment.
Detailed Description
Referring to fig. 1 and 2, the two-stage compression screw air compressor with two motors driving two main machines comprises a frame 1, wherein the frame 1 is provided with a first-stage main machine 2, a second-stage main machine 3, a connecting pipe 4, a first-stage motor 5 and a second-stage motor 6.
Frame 1 includes base 11 and adjustable shelf 12, adjustable shelf 12 can be established on base 11 from top to bottom movably, moreover be equipped with elastic mechanism 13 between adjustable shelf 12 and the base 11, one-level host computer 2 and second grade host computer 3 are all established on adjustable shelf 12, and the adjustable shelf is the same to one-level host computer and second grade host computer to the activity of base, and one-level host computer and second grade host computer are static relatively, improve joint strength, avoid revealing.
The one-level host computer 2 includes one-level casing 21, connects the one-level bearing frame 22 of one-level casing 21 front end and connects the one-level screw rod 23 of one-level casing 21, the one-level screw rod 23 is still connected and is located the bearing 24 in the one-level bearing frame 22, one-level casing 21 is equipped with one-level air inlet 211, one-level bearing frame 22 side integrated into one piece has one- level outlet duct 25, 25 ports of one-level outlet duct are the one-level gas outlet, 25 level arrangements of one-level outlet duct and the different face vertical arrangement of one- level outlet duct 25 and 23 axis. According to the requirement, the primary host 2 comprises a primary machine head 26 fixedly arranged on the movable frame 12, and the primary shell 21 is fixedly arranged in front of the primary machine head 26. The primary motor 5 is attached to the primary head 26 and drivingly connected to the primary screw 23.
The second grade host computer 3 includes second grade casing 31, connects the second grade bearing frame 32 of dress at second grade casing 31 front end and connects the second grade screw rod of second grade casing 31, the second grade screw rod still connects the bearing of locating in the second grade bearing frame 32, second grade casing 31 is equipped with the second grade air inlet, second grade bearing frame 32 side integrated into one piece has second grade outlet duct 35, second grade outlet duct 35 port is the second grade gas outlet, vertical the arranging of second grade outlet duct 35 and the different face vertical arrangement of second grade outlet duct 35 and second grade screw rod axis. According to the requirement, the secondary host 3 comprises a secondary machine head 36 fixedly arranged on the movable frame 12, and the secondary shell 31 is fixedly arranged in front of the secondary machine head 36. The secondary motor 6 is attached to the secondary handpiece 36 and drivingly connected to the secondary screw.
The connecting pipe 4 is communicated with the first-stage air outlet and the second-stage air inlet, the axis of the first-stage screw rod and the axis of the second-stage screw rod are arranged in parallel, the connecting pipe is arranged horizontally, and the connecting pipe and the different surfaces of the first-stage screw rod are arranged vertically, so that the whole machine is more compact in structure, smaller in occupied space and lower in leakage possibility.
The transmission connection of the primary motor 5 and the primary screw 23 is coaxially fixedly connected, the transmission connection of the secondary motor 6 and the secondary screw is coaxially fixedly connected, and the rotating speed of the secondary screw is greater than that of the primary screw.
The air compressor further comprises a control system, the control system comprises two integrated frequency converters and a display and control integrated machine, the two integrated frequency converters are respectively connected with a first-stage motor and a second-stage motor, and the display and control integrated machine is connected with the two integrated frequency converters. The first integrated frequency converter and the second integrated frequency converter respectively control the rotating speed of the first-stage motor and the second-stage motor, and the display and control integrated machine carries out coordinated control on the two integrated frequency converters to enable the rotating speed matching of the first-stage motor and the second-stage motor to be optimal.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (9)
1. The double-motor driven double-host two-stage compression screw type air compressor comprises a rack, wherein the rack is provided with a primary host, a secondary host and a connecting pipe; the method is characterized in that: the primary host comprises a primary shell, a primary bearing seat and a primary screw, wherein the primary bearing seat is connected to the front end of the primary shell, the primary screw is connected with a bearing arranged in the primary bearing seat, the primary shell is provided with a primary air inlet, and the primary bearing seat is provided with a primary air outlet; the secondary main machine comprises a secondary shell, a secondary bearing seat and a secondary screw rod, the secondary bearing seat is connected to the front end of the secondary shell, the secondary screw rod is connected with a bearing arranged in the secondary bearing seat, the secondary shell is provided with a secondary air inlet, and the secondary bearing seat is provided with a secondary air outlet; the connecting pipe is communicated with the primary air outlet and the secondary air inlet; and the two motors are respectively a first-stage motor and a second-stage motor, and the first-stage motor and the second-stage motor are respectively in transmission connection with a first-stage screw rod and a second-stage screw rod.
2. The two-stage compression screw air compressor with double motors driving double main engines of claim 1, characterized in that: the primary main machine comprises a primary machine head fixedly arranged on the rack, the primary shell is fixedly arranged in front of the primary machine head, and the primary motor is connected to the primary machine head in a transmission manner and is connected with a primary screw; the secondary main machine comprises a secondary machine head fixedly arranged on the frame, the secondary shell is fixedly arranged in front of the secondary machine head, and the secondary motor is connected to the secondary machine head in a transmission mode and is connected with a secondary screw rod in a transmission mode.
3. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: the transmission connection of the first-stage motor and the first-stage screw rod is coaxially fixedly connected, and the transmission connection of the second-stage motor and the second-stage screw rod is coaxially fixedly connected.
4. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: and the axis of the first-stage screw and the axis of the second-stage screw are arranged in parallel.
5. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: a first-stage air outlet pipe is integrally formed on the side surface of the first-stage bearing seat, the port of the first-stage air outlet pipe is the first-stage air outlet, the first-stage air outlet pipe is horizontally arranged, and the first-stage air outlet pipe and the first-stage screw rod are vertically arranged in a mode that the axis of the first-stage air outlet pipe is different from the axis; the side of the second-stage bearing seat is integrally formed with a second-stage air outlet pipe, the port of the second-stage air outlet pipe is the second-stage air outlet, the second-stage air outlet pipe is vertically arranged, and the axis different surfaces of the second-stage air outlet pipe and the second-stage screw rod are vertically arranged.
6. The dual-motor-driven dual-main-engine two-stage compression screw type air compressor of claim 5, is characterized in that: the one-level screw rod axis and the second-level screw rod axis are arranged in parallel, the connecting pipe is arranged horizontally, and the connecting pipe and the one-level screw rod are arranged perpendicularly in a different surface mode.
7. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: the frame includes base and adjustable shelf, the adjustable shelf can be established on the base with moving about from top to bottom, moreover be equipped with elastic mechanism between adjustable shelf and the base, one-level host computer and second grade host computer are all established on the adjustable shelf.
8. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: the rotating speed of the second-stage screw is greater than that of the first-stage screw.
9. The two-stage compression screw air compressor with double motor drives and double main engines of claim 1 or 2, characterized in that: the control system comprises two integrated frequency converters and a display and control integrated machine, the two integrated frequency converters are respectively connected with a first-stage motor and a second-stage motor, and the display and control integrated machine is connected with the two integrated frequency converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987059.2U CN210423019U (en) | 2019-06-27 | 2019-06-27 | Two-stage compression screw air compressor with double motors driving double main machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987059.2U CN210423019U (en) | 2019-06-27 | 2019-06-27 | Two-stage compression screw air compressor with double motors driving double main machines |
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| CN210423019U true CN210423019U (en) | 2020-04-28 |
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| CN201920987059.2U Active CN210423019U (en) | 2019-06-27 | 2019-06-27 | Two-stage compression screw air compressor with double motors driving double main machines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377414A (en) * | 2020-11-13 | 2021-02-19 | 埃尔利德(广东)智能科技有限公司 | Dual-motor two-stage compression screw air compressor efficiency control system, method and equipment |
-
2019
- 2019-06-27 CN CN201920987059.2U patent/CN210423019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377414A (en) * | 2020-11-13 | 2021-02-19 | 埃尔利德(广东)智能科技有限公司 | Dual-motor two-stage compression screw air compressor efficiency control system, method and equipment |
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