CN216894897U - Explosion-proof screw air compressor that operation is firm - Google Patents

Abstract

The utility model discloses an explosion-proof screw air compressor stable in operation, which comprises a machine body and a machine shell, wherein the machine body comprises a metal plate base, an explosion-proof motor, a compression host, an air filter assembly, an oil-gas separator, an explosion-proof exhaust fan, an air cooling radiator and a mounting frame. The explosion-proof motor and the compression host are fixedly arranged at the top end of the metal plate base and are in transmission connection through a coupler, a central support is arranged on the outer side of the coupler, and the central support is fixedly arranged between the explosion-proof motor and the compression host; the bottom of explosion-proof motor is equipped with the motor support, and the compressor support is installed to the bottom of compression host computer, the equal fixed mounting in below of motor support and compressor support has the antivrbration pad foot. The utility model has simple structure, can effectively reduce the vibration amplitude of the explosion-proof motor and the compression main machine, reduce the resonance phenomenon among all devices, avoid the loosening, improve the operation stability, slow down the abrasion among parts and reduce the later maintenance cost.

Description

Explosion-proof screw air compressor that operation is firm

Technical Field

The utility model relates to the technical field of air compressors, in particular to an explosion-proof screw air compressor stable in operation.

Background

An air compressor is an apparatus for compressing gas, and has a configuration similar to that of a water pump; most air compressors are reciprocating piston type, rotating vane or rotating screw. The air compressors are various in types, can be applied to various different scenes, and can be divided into low-noise, variable-frequency and explosion-proof air compressors according to different performances; according to the type, the device can be divided into a fixed type, a movable type and a closed type. The middle of the air compressor is provided with two rotors with spiral gears which are meshed with each other, and the volume of the meshed part of the two rotors is reduced from large to small, so that the gas is compressed and discharged. Present air compressor is at the operation in-process, and fuselage shake amplitude is great, and the resonance effect between the inner structure subassembly is obvious, causes the fuselage operation unstable, and at long-time operation in-process, the connection between each part appears becoming flexible, very easily causes the wearing and tearing of damage, the spare part of operation equipment, increases the later maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide an explosion-proof screw air compressor which is stable in operation.

In order to solve the technical problems, the utility model adopts the technical scheme that: an explosion-proof screw air compressor which runs stably comprises a machine body and a machine shell. The machine body comprises a metal plate base, an explosion-proof motor, a compression host, an air filter assembly, an oil-gas separator, an explosion-proof exhaust fan, an air cooling radiator and a mounting frame; the upper end face of the metal plate base is provided with a plurality of fixing through holes, the explosion-proof motor and the compression host are fixedly arranged at the top end of the metal plate base and are positioned on the same horizontal middle line, the end part of an output shaft of the explosion-proof motor is fixedly provided with a motor coupler, the movable tail end of the motor coupler is meshed and connected with a host coupler, and the other end of the host coupler is fixedly connected with a rotating shaft of the compression host; a central bracket is arranged on the outer side of the motor coupler and fixedly installed between the explosion-proof motor and the compression host; the bottom of the explosion-proof motor is provided with a motor support matched with the explosion-proof motor, the motor support is fixedly arranged on the sheet metal base through bolts, and a shock pad foot is arranged between the motor support and the sheet metal base; the compressor support is installed to the bottom of compression host computer, is equipped with the antivrbration pad foot between compressor support and the panel beating base equally.

Further, an oil-gas separator and a mounting frame are fixedly mounted on the metal plate base, and the oil-gas separator is positioned on the rear side of the compression host; the mounting frame is of a cuboid structure, is vertically fixed on the rear side of the top of the metal plate base, is hollow inside, is provided with an opening at the rear end, is internally provided with an explosion-proof power distribution device, the top end of the outer side of the mounting frame is fixedly provided with an air-cooled radiator, and the bottom of the air-cooled radiator is fixedly provided with an explosion-proof exhaust fan; the air filter assembly is fixedly arranged at the top of the compression host, the lower end of the air filter assembly is communicated with the compression host, and the upper part of the air filter assembly is also provided with an air inlet communicated with the outside; the structures are communicated with each other through an explosion-proof pipeline.

Furthermore, the central support is in a circular truncated cone shape, two ends of the central support are open, the central support is hollow, one end of the central support is fixed on a disc at the rotating shaft end of the explosion-proof motor through a bolt, the other end of the central support is fixedly connected to the compression host, and the motor coupler and the host coupler are wrapped in the middle of the central support; the side wall of the central support is also provided with side holes which are symmetrical with each other.

Furthermore, the motor support is ship-shaped, and an arc-shaped groove is formed in the upper end of the motor support and is matched with the bottom of the explosion-proof motor; the bottom of the motor support is provided with bolt holes, the two ends of the motor support are also provided with mounting holes, and the shock-proof pad feet are fixed in the mounting holes and positioned below the motor support.

Furthermore, the compressor support is L-shaped foot iron, the upper end of the compressor support is fixedly installed at the bottom of the compression main machine, the lower transverse plate is provided with bolt holes and fixing holes, and the shockproof pad foot is installed in the fixing holes and located right below the compressor support.

Furthermore, the end part of an output shaft of the explosion-proof motor is in threaded connection with a motor coupler, and coupling glue is arranged between the motor coupler and a host coupler; the central axis of the motor coupling is superposed with the central axis of the main machine coupling.

Preferably, the shock pad foot is made of elastic materials.

Compared with the prior art, the utility model has the following beneficial effects: the anti-vibration motor has a simple structure, and the motor support and the compressor support are arranged and matched with the anti-vibration pad foot, so that the vibration amplitude of the anti-explosion motor and the compression main machine is reduced, the resonance among the anti-explosion motor, the compression main machine and the metal plate base is reduced, the looseness of a fixed connection part is avoided, the running stability of the machine body is improved, the damage of the machine body structure is avoided, the mutual abrasion among parts is reduced, the service life is prolonged, and the later maintenance cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the machine body of the present invention;

FIG. 2 is a schematic front view of the explosion-proof motor and the compression main unit according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a front half-sectional view of the housing of the present invention;

in the figure: 1. sheet metal base, 2, explosion-proof motor, 3, the compression host computer, 4, oil and gas separator, 5, empty assembly of straining, 6, the mounting bracket, 7, air-cooled radiator, 8, explosion-proof exhaust fan, 9, explosion-proof distribution device, 10, air inlet, 11, compressed air export, 12, the center support, 13, the motor support, 14, the compressor support, 15, the antivibration pad foot, 16, the side opening, 17, the motor shaft coupling, 18, the host computer shaft coupling, 19, deep floor, 20, pivot end disc, 21, the guard gate.

Detailed Description

It should be noted that in the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "coaxial", "bottom", "top", "one end", "the other end", "one side", "front", "two ends", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only terms of relationship determined for convenience of describing the structural relationship of the respective components of the present invention, and do not particularly indicate that any component, device or element of the present invention must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

referring to fig. 1 to 4, an explosion-proof screw air compressor with stable operation comprises an organism and a machine shell. The machine body comprises a sheet metal base 1, an explosion-proof motor 2, a compression host 3, an oil-gas separator 4, an air filter assembly 5, a mounting frame 6, an air cooling radiator 7, an explosion-proof exhaust fan 8 and an explosion-proof power distribution device 9; the sheet metal base 1 is located the lowermost end of the whole device, and provides the whole device with sufficient support and fixation, and the upper end face of the sheet metal base is provided with a plurality of bolt holes for connection and fixation. With reference to fig. 1, an explosion-proof motor 2 and a compression host 3 are fixedly installed on the front side of the upper end face of a sheet metal base 1, an output shaft of the explosion-proof motor 2 and a rotating shaft of the compression host 3 are located on the same horizontal axis, a motor coupler 17 is connected to the tail end of the output shaft of the explosion-proof motor 2 in a threaded manner, a host coupler 18 is fixedly connected to the outer end of the rotating shaft of the compression host 3, the motor coupler 17 and the host coupler 18 are meshed with each other, coupling glue is coated in the middle of the motor coupler 17 and the host coupler 18, direct metal contact between the motor coupler 17 and the host coupler 18 in the operation process can be effectively prevented, sparks are avoided, and the safety of the device is enhanced; the central axis of the motor coupling 17 and the central axis of the main machine coupling 18 are coincident with each other. A central support 12 is arranged at the position where the couplings are connected, the central support 12 is in a circular truncated cone shape, two ends of the central support are open, the interior of the central support is hollow, the central support is sleeved outside the couplings, the large head end of the central support is fixedly arranged on a rotating shaft end disc 20 of the explosion-proof motor 2 through bolts, the small head end of the central support is fixedly connected to the rotating shaft end of the compression host 3, and a motor coupling 17 and a host coupling 18 are wrapped in the middle of the central support; the side holes 16 which are mutually symmetrical structures are formed in the side wall of the central support 12, so that the vibration performance of the central support 12 can be reduced, the resonance effect of the explosion-proof motor 2 and the compression main machine 3 is prevented, the running states and the abrasion conditions of the two couplers can be observed in real time through the side holes 16, and real-time overhaul and maintenance are well conducted.

The bottom of the explosion-proof motor 2 is provided with a motor support 13, the motor support 13 is a ship-shaped support, an arc-shaped groove of the motor support, which is in contact with the explosion-proof motor 2, is matched with the bottom of the explosion-proof motor 2, and the motor support 13 is provided with a fixing hole for being fixed on the sheet metal base 1 through bolt connection; the two ends of the motor support 13 are also provided with shock-proof pad feet 15, and the shock-proof pad feet 15 are clamped between the motor support 13 and the sheet metal base 1. The bottom of the compression main machine 3 is provided with a compressor bracket 14, the compressor bracket 14 is an L-shaped angle iron, the upper end of the compressor bracket 14 is fixedly connected to the bottom end of the compression main machine 3, a bolt hole is formed in a lower transverse plate, and a shock-proof pad 15 is arranged on the lower end face of the compressor bracket 14 to form a shock-proof space with the sheet metal base 1; meanwhile, in order to enhance the stability of the compressor bracket 14, a reinforcing rib plate 19 is additionally arranged on the side edge of the compressor bracket 14. The shock absorbing pad 15 is made of an elastic material, such as rubber.

Furthermore, the top end of the compression main machine 3 in the device is fixedly connected with an air filter assembly 5, an explosion-proof coil and an air inlet valve are fixedly arranged between the air filter assembly 5 and the compression main machine 3, the on-off of the air filter assembly 5 and the compression main machine 3 is controlled in real time through the air inlet valve, and the right side of the upper part of the air filter assembly 5 is provided with an air inlet 10 communicated with the outside; the oil-gas separator 4 is fixedly arranged on the sheet metal base 1 and is positioned behind the compression host 3; the mounting frame 6 is of a cuboid structure, is vertically fixed on the rear side of the upper end face of the sheet metal base 1, is hollow and is provided with an opening at the rear end, the inner side wall of the mounting frame 6 is fixedly provided with an explosion-proof power distribution device 9, the top end of the outer side of the mounting frame 6 is fixedly provided with an air-cooled radiator 7, and the air-cooled radiator 7 is fixedly connected with the mounting frame 6 through bolts; an explosion-proof exhaust fan 8 is arranged at the bottom of the air-cooled radiator 7, and the vertical central axis of the explosion-proof exhaust fan 8 is superposed with the vertical central axis of the air-cooled radiator 7; and a compressed air outlet 11 is arranged beside the air-cooled radiator 7.

The structures are connected with each other through an explosion-proof pipeline.

The outside of above-mentioned organism is fixed mounting still has the casing for protect the inside device of this device, the casing is formed by preceding curb plate, left side board, posterior lateral plate, right side board and last curb plate welding each other in proper order, is the box structure, and the lower extreme of casing carries out fixed connection through bolt and panel beating base 1. As shown in fig. 4, a front side plate of the housing is provided with a protective door 21, the protective door 21 is of a double-opening type, two side edges of the protective door are respectively connected with the front side plate through hinges, and the protective door 21 is further provided with a control window for operation and a locking lock for controlling opening and closing of a door body; the protective door 21 is opposite to the mounting frame 6 in the machine body and can monitor the explosion-proof power distribution device 9 in real time through the control window. Meanwhile, a right side plate of the shell is provided with a heat dissipation opening and an air outlet, the heat dissipation opening is positioned at the lower part of the right side plate and is opposite to the tail end of the explosion-proof motor 2, and the heat dissipation opening is in a shutter structure; the air outlet hole is arranged at the upper part of the right side plate and corresponds to a compressed air outlet 11 at the side of the air-cooled radiator 7; and the bottom end of the right side plate is also respectively provided with a circuit access through hole and a casing grounding jack for communicating an external power supply to provide electric energy and avoiding generating static electricity, so that the electricity utilization safety is ensured. An air inlet hole corresponding to the air inlet 10 on the air filter assembly 5 is arranged on the left side plate of the shell; the radiating holes which are evenly distributed are formed in the upper side plate and are right opposite to the air-cooled radiator 7, heat generated by the operation of the machine body is effectively discharged out of the machine shell, and element damage caused by overhigh internal temperature is avoided, so that fire disasters are caused, and the safety of the use environment is guaranteed.

Preferably, the explosion-proof motor 2 is an explosion-proof three-phase asynchronous motor.

During the use, the intercommunication power, the air is through air inlet 10 entering empty assembly 5 of straining, and empty assembly 5 of straining filters the air, opens the admission valve and makes empty assembly 5 and the 3 intercommunications of compression host computer of straining, and the air admission after the filtration is inside 3 compression host computers, uses through the cooperation between explosion proof machine 2 and the compression host computer 3, realizes air compression's purpose, via the use of 11 discharges of compressed air export. The running vibration of the explosion-proof motor 2 and the compression main machine 3 is transmitted to the shockproof foot pad 15 through the motor support 13 and the compressor support 14 in the process, so that the vibration amplitude and the resonance phenomenon are reduced, the phenomenon that the fixed connection part is loosened due to the overlarge vibration amplitude is avoided, and the running stability of the machine body is improved. The explosion-proof power distribution device 9 monitors the running state of the whole device in real time, and the safety is ensured by powering off in real time once the situation occurs; the air cooling radiator 7 and the explosion-proof exhaust fan 8 perform air cooling heat dissipation on the whole device, and the service life of the device is prolonged.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention, and the present invention is not limited to the above-mentioned examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.

Claims (7)

1. The utility model provides an explosion-proof screw air compressor that operation is firm, includes organism and casing, its characterized in that: the machine body comprises a metal plate base, an explosion-proof motor, a compression host, an air filter assembly, an oil-gas separator, an explosion-proof exhaust fan, an air cooling radiator and a mounting frame; the upper end face of the metal plate base is provided with a plurality of fixing through holes, the explosion-proof motor and the compression host are fixedly installed at the top end of the metal plate base and located on the same horizontal middle line, the end part of an output shaft of the explosion-proof motor is fixedly provided with a motor coupler, the movable tail end of the motor coupler is meshed and connected with a host coupler, and the other end of the host coupler is fixedly connected with a rotating shaft of the compression host; a central bracket is arranged on the outer side of the motor coupler and fixedly installed between the explosion-proof motor and the compression host; the bottom of the explosion-proof motor is provided with a motor support matched with the explosion-proof motor, the motor support is fixedly arranged on the sheet metal base through bolts, and a shock pad foot is arranged between the motor support and the sheet metal base; the compressor support is installed to the bottom of compression host computer, is equipped with the antivrbration pad foot between compressor support and the panel beating base equally.

2. The stably operating explosion-proof screw air compressor according to claim 1, characterized in that: the oil-gas separator is fixedly arranged on the metal plate base and is positioned on the rear side of the compression host; the mounting frame is of a cuboid structure, is vertically fixed on the rear side of the top of the metal plate base, is hollow inside, is provided with an opening at the rear end, is internally provided with an explosion-proof power distribution device, the top end of the outer side of the mounting frame is fixedly provided with an air-cooled radiator, and the bottom of the air-cooled radiator is fixedly provided with an explosion-proof exhaust fan; the air filter assembly is fixedly arranged at the top of the compression host, the lower end of the air filter assembly is communicated with the compression host, and the upper part of the air filter assembly is also provided with an air inlet communicated with the outside; the structures are communicated with each other through an explosion-proof pipeline.

3. The stably operating explosion-proof screw air compressor of claim 1, wherein: the central support is in a round table shape, two ends of the central support are opened, the interior of the central support is hollow, one end of the central support is fixed on a disc at the rotating shaft end of the explosion-proof motor through a bolt, the other end of the central support is fixedly connected to the compression host, and the motor coupler and the host coupler are wrapped in the middle of the central support; the side wall of the central support is also provided with side holes which are symmetrical with each other.

4. The stably operating explosion-proof screw air compressor according to claim 1, characterized in that: the motor support is ship-shaped, and the upper end of the motor support is provided with an arc-shaped groove which is matched with the bottom of the explosion-proof motor; the bottom of the motor support is provided with bolt holes, the two ends of the motor support are also provided with mounting holes, and the shock-proof pad feet are fixed in the mounting holes and positioned below the motor support.

5. The stably operating explosion-proof screw air compressor according to claim 1, characterized in that: the compressor support is L-shaped foot iron, the upper end of the compressor support is fixedly installed at the bottom of the compression main machine, the lower transverse plate is provided with bolt holes and fixing holes, and the shockproof pad foot is installed in the fixing holes and located right below the compressor support.

6. The stably operating explosion-proof screw air compressor of claim 1, wherein: the end part of an output shaft of the explosion-proof motor is in threaded connection with the motor coupler, and coupling glue is arranged between the motor coupler and the host coupler; the central axis of the motor coupling is superposed with the central axis of the main machine coupling.

7. The stably operating explosion-proof screw air compressor according to claim 1, characterized in that: the shockproof pad foot is made of elastic materials.

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