阅读说明：本技术 一种空压机内壁间隙的智能螺杆节流调节机构 (Intelligent screw throttling adjusting mechanism for inner wall clearance of air compressor ) 是由 吴全 高志成 于 2020-04-16 设计创作，主要内容包括：本发明公开了一种空压机内壁间隙的智能螺杆节流调节机构,属于空压机技术领域,包括智能节流阀、节流壳体和增速装置,节流壳体的内腔设有升降电机、浮动块和涡轮扇,增速装置设在节流壳体的底部,涡轮扇与增速装置的输出轴传动配合；浮动块设在涡轮扇的上方,升降电机设在智能节流阀内,升降电机的转轴上连接有升降螺杆,浮动块的内侧设有转动支架,转动之间的中部设有螺纹孔,升降螺杆与螺纹孔啮合；智能节流阀用于感应进气流量大小后调节进入节流壳体的内腔的进气量。通过在涡轮扇与进气口之间设置浮动块用于调节涡轮扇与节流壳体内壁之间的间隙,并且设置智能节流阀实现对节流壳体内腔的气压平衡的作用,达到最佳控制气流的效果。(The invention discloses an intelligent screw throttling regulation mechanism for an inner wall gap of an air compressor, which belongs to the technical field of air compressors and comprises an intelligent throttling valve, a throttling shell and a speed increasing device, wherein a lifting motor, a floating block and a turbine fan are arranged in an inner cavity of the throttling shell; the floating block is arranged above the turbine fan, the lifting motor is arranged in the intelligent throttle valve, a rotating shaft of the lifting motor is connected with a lifting screw rod, a rotating support is arranged on the inner side of the floating block, a threaded hole is formed in the middle between the rotation, and the lifting screw rod is meshed with the threaded hole; the intelligent throttle valve is used for adjusting the air inflow entering the inner cavity of the throttle shell after sensing the air inflow. The floating block is arranged between the turbine fan and the air inlet and used for adjusting the gap between the turbine fan and the inner wall of the throttling shell, and the intelligent throttling valve is arranged to balance the air pressure in the inner cavity of the throttling shell, so that the optimal air flow control effect is achieved.)

1. An intelligent screw throttling regulation mechanism for an inner wall gap of an air compressor is characterized by comprising an intelligent throttling valve, a throttling shell and a speed increasing device, wherein an air inlet is formed above the throttling shell, an air outlet is formed in one side of the throttling shell, and the intelligent throttling valve is arranged above the throttling shell and communicated with the air inlet;

the inner cavity of the throttling shell is provided with a lifting motor, a floating block and a turbine fan, the speed increasing device is arranged at the bottom of the throttling shell, and the turbine fan is in transmission fit with an output shaft of the speed increasing device; the floating block is arranged above the turbine fan, the lifting motor is arranged in the intelligent throttle valve, a rotating shaft of the lifting motor is connected with a lifting screw rod, a rotating support is arranged on the inner side of the floating block, a threaded hole is formed in the middle between the rotations, and the lifting screw rod is meshed with the threaded hole;

the intelligent throttle valve is used for adjusting the air inflow entering the inner cavity of the throttle shell after sensing the air inflow.

2. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, wherein a first limit ring is arranged on the periphery of the slider, a second limit ring is arranged on the inner side of the air inlet, and the first limit ring and the second limit ring correspond in position from top to bottom.

3. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, wherein a plurality of first limiting strips are further arranged on the inner side of the air inlet, a plurality of first limiting grooves are further arranged on the periphery of the floating block, and the plurality of first limiting strips are in one-to-one correspondence with the plurality of first limiting grooves respectively.

4. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, further comprising a motor mounting bracket, wherein the motor mounting bracket is arranged in the intelligent throttle valve, the lifting motor is arranged on the motor mounting bracket, and a lifting gap is formed between the motor mounting bracket and the floating block.

5. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, further comprising a sealing ring, wherein the sealing ring is arranged between the floating block and the air inlet.

6. The intelligent screw throttling regulation mechanism for the gap between the inner walls of the air compressor as claimed in claim 1, wherein the intelligent throttle valve comprises a valve body, an air inlet cavity with an upper opening is formed in the valve body, an induction device, a throttling motor, a throttle plate, a plurality of valves and the lifting motor are sequentially arranged in the air inlet cavity from top to bottom, a plurality of through holes are formed in the throttle plate, the plurality of valves correspond to the plurality of through holes one to one, and the throttling motor is in lifting transmission with the valves.

7. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 1, wherein the induction device comprises an induction motor and induction blades, the induction blades are arranged at the position close to the opening of the air inlet cavity, the induction motor is arranged below the induction blades, and the induction blades are in transmission fit with an output shaft of the induction motor.

8. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 6, further comprising a rotating sleeve, an adjusting screw and a lifting tray, wherein the adjusting screw is arranged on the lifting tray, the rotating sleeve is connected with a rotating shaft of the throttling motor, inner threads are arranged on the inner side of the rotating sleeve, the inner side of the rotating sleeve is meshed with the adjusting screw, and the lifting tray is respectively connected with the plurality of valves.

9. The intelligent screw throttling regulation mechanism for the inner wall gap of the air compressor as claimed in claim 8, wherein the inner wall of the air inlet cavity is provided with a plurality of second limiting strips, one side of each of the plurality of valves is provided with a second limiting groove, and the second limiting strips correspond to the second limiting grooves.

Technical Field

The invention relates to the technical field of air compressors, in particular to an intelligent screw throttling adjusting mechanism for an inner wall gap of an air compressor.

Background

The surge phenomenon is vibration of the air compressor under an abnormal working condition when the flow of the air compressor is reduced to a certain degree, and the surge of the air compressor can destroy the flowing regularity of media inside the machine, generate mechanical noise, cause strong vibration of working parts and accelerate the damage of a bearing and a seal. Once surge causes the pipe, machine and its foundation to resonate, it can also have serious consequences.

Disclosure of Invention

The invention aims to provide an intelligent screw throttling adjusting mechanism for an inner wall gap of an air compressor.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent screw throttling adjusting mechanism for an inner wall gap of an air compressor comprises an intelligent throttling valve, a throttling shell and a speed increasing device, wherein an air inlet is formed above the throttling shell, an air outlet is formed in one side of the throttling shell, and the intelligent throttling valve is arranged above the throttling shell and communicated with the air inlet;

the inner cavity of the throttling shell is provided with a lifting motor, a floating block and a turbine fan, the speed increasing device is arranged at the bottom of the throttling shell, and the turbine fan is in transmission fit with an output shaft of the speed increasing device; the floating block is arranged above the turbine fan, the lifting motor is arranged in the intelligent throttle valve, a rotating shaft of the lifting motor is connected with a lifting screw rod, a rotating support is arranged on the inner side of the floating block, a threaded hole is formed in the middle between the rotations, and the lifting screw rod is meshed with the threaded hole;

the intelligent throttle valve is used for adjusting the air inflow entering the inner cavity of the throttle shell after sensing the air inflow.

When the air pressure in the throttling shell is increased, the lifting screw rod is driven to rotate by the lifting motor, so that the lifting screw rod is meshed with the threaded hole of the rotating support, the floating block moves upwards, and the volume which can be passed by air in the throttling shell is increased; when the air pressure in the throttling shell is reduced, the lifting screw rod rotates in the opposite direction, so that the floating block moves downwards until the floating block moves to the initial position, and the volume through which the air in the throttling shell can pass is reduced; the intelligent throttle valve is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle shell, so that the intelligent throttle valve is used for overall adjustment of the air inflow, the gap adjusting mechanism is used for fine adjustment, and the intelligent throttle valve and the gap adjusting mechanism adjust the air flow mutually to achieve the effect of optimally controlling the air flow.

Preferably, the periphery of the floating block is provided with a first limiting ring, the inner side of the air inlet is provided with a second limiting ring, and the first limiting ring corresponds to the second limiting ring in the vertical position.

The first limiting ring on the periphery of the floating block corresponds to the second limiting ring of the air inlet in the vertical position, so that the downward movement of the floating block is limited.

Preferably, the inner side of the air inlet is further provided with a plurality of first limiting strips, the periphery of the floating block is further provided with a plurality of first limiting grooves, and the plurality of first limiting strips are in one-to-one correspondence with the plurality of first limiting grooves respectively.

Through the correspondence of a plurality of first spacing strips with a plurality of first spacing grooves respectively, realized spacing to slider circumferential direction, avoided the slider to take place to rotate when reciprocating, guaranteed the validity that the slider reciprocated.

Preferably, still include motor mounting bracket, motor mounting bracket establishes in the intelligence choke valve, elevator motor establishes on the motor mounting bracket, the motor mounting bracket with form the lift gap between the slider.

The motor mounting bracket is used for installing a lifting motor, plays a limiting role in downward movement of the floating block, and supports the floating block when the floating block moves upwards to be attached to the motor mounting bracket, namely, a lifting gap is not formed any more, and plays a limiting role in the floating block.

Preferably, the air inlet structure further comprises a sealing ring, and the sealing ring is arranged between the floating block and the air inlet.

The sealing ring is arranged between the throttling shell and the floating block, so that air flow in the air compressor is prevented from leaking to the outside from a gap between the throttling shell and the floating block.

Preferably, the intelligent throttle valve comprises a valve body, an air inlet cavity with an upper opening is formed in the valve body, an induction device, a throttle motor, a throttle plate, a plurality of valves and the lifting motor are sequentially arranged in the air inlet cavity from top to bottom, a plurality of through holes are formed in the throttle plate, the plurality of valves correspond to the plurality of through holes one by one, and the throttle motor and the valves are in lifting transmission.

The heights of all the valves are controlled by the throttle motor, so that the valves correspond to or are far away from the through holes, and the size of the airflow passing through the air inlet cavity is realized.

Preferably, induction system includes induction motor and induction fan blade, induction fan blade establishes be close to the opening position in air inlet chamber, induction motor establishes induction fan blade's below induction fan blade with induction motor's output shaft transmission cooperation.

High-speed gas can promote the response flabellum to rotate when getting into the valve body through the opening in chamber of admitting air, and the produced electric current of the rotational speed of response flabellum of induction motor passes through the flow of high-speed gas of definite, thereby makes the elevating height of the vertical direction of throttle control valve, makes its laminating or keep away from the through-hole, has realized the flow that intelligent control valve body passed through.

Preferably, still include rotatory sleeve, adjusting screw and lift tray, adjusting screw establishes on the lift tray, rotatory sleeve with throttle motor's pivot is connected, rotatory sleeve's inboard is equipped with the internal thread, rotatory sleeve's inboard with adjusting screw meshes, the lift tray respectively with a plurality of the valve is connected.

The lifting movement of all valves can be controlled by controlling the lifting tray to move up and down, the structure is simple, and the air flow is convenient to control; the lifting movement is controlled in a thread engagement mode, and the transmission is more accurate.

Preferably, the inner wall of the air inlet cavity is provided with a plurality of second limiting strips, a plurality of second limiting grooves are formed in one side of the valve, and the second limiting strips correspond to the second limiting grooves.

Through the correspondence of the second limiting strip and the second limiting groove, the limitation of the rotation of the lifting tray is realized, the rotation of the lifting tray during lifting movement is avoided, and the normal work of throttling of the intelligent throttling valve is ensured.

The invention has the beneficial effects that: when the air pressure in the throttling shell is increased, the lifting screw rod is driven to rotate by the lifting motor, so that the lifting screw rod is meshed with the threaded hole of the rotating support, the floating block moves upwards, and the volume which can be passed by air in the throttling shell is increased; when the air pressure in the throttling shell is reduced, the lifting screw rod rotates in the opposite direction, so that the floating block moves downwards until the floating block moves to the initial position, and the volume through which the air in the throttling shell can pass is reduced; the intelligent throttle valve is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle shell, so that the intelligent throttle valve is used for overall adjustment of the air inflow, the gap adjusting mechanism is used for fine adjustment, and the intelligent throttle valve and the gap adjusting mechanism adjust the air flow mutually to achieve the effect of optimally controlling the air flow.

Drawings

The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.

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

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic view of the internal structure of the intelligent throttle valve of the present invention when opened;

FIG. 4 is a schematic view of the slider of the present invention mated with a throttle housing.

Wherein: the intelligent throttle valve 2, the throttle housing 1, the speed increasing device 3, the air inlet 111, the air outlet 112, the lifting motor 41, the slider 12, the turbine fan 13, the lifting screw 42, the rotating support 123, the threaded hole 212, the first limit ring 121, the second limit ring 113, the first limit strip 114, the first limit groove 122, the motor mounting bracket 211, the seal ring 5, the throttle motor 25, the throttle plate 231, the valve 24, the through hole 232, the induction motor 221, the induction fan blade 222, the rotating sleeve 251, the adjusting screw 252, the lifting tray 253, the second limit strip 115 and the second limit groove 241.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 and 2, the intelligent screw throttling adjustment mechanism for the inner wall gap of the air compressor in the embodiment comprises an intelligent throttling valve 2, a throttling shell 1 and a speed increasing device 3, wherein an air inlet 111 is formed above the throttling shell 1, an air outlet 112 is formed in one side of the throttling shell 1, and the intelligent throttling valve 2 is arranged above the throttling shell 1 and communicated with the air inlet 111;

the inner cavity of the throttling shell 1 is provided with a lifting motor 41, a floating block 12 and a turbine fan 13, the speed increasing device 3 is arranged at the bottom of the throttling shell 1, and the turbine fan 13 is in transmission fit with an output shaft of the speed increasing device 3; the floating block 12 is arranged above the turbine fan 13, the lifting motor 41 is arranged in the intelligent throttle valve 2, a lifting screw 42 is connected to a rotating shaft of the lifting motor 41, a rotating bracket 123 is arranged on the inner side of the floating block 12, a threaded hole 212 is formed in the middle between the rotations, and the lifting screw 42 is meshed with the threaded hole 212;

the intelligent throttle valve 2 is used for adjusting the air inflow entering the inner cavity of the throttle housing 1 after sensing the air inflow.

The floating block 12 is arranged between the turbine fan 13 and the air inlet 111 and used for adjusting the gap between the turbine fan 13 and the inner wall of the throttling shell 1, so that the effect of air pressure balance in the inner cavity of the throttling shell 1 is achieved, when the air pressure in the throttling shell 1 is increased, the lifting motor 41 drives the lifting screw rod 42 to rotate, the lifting screw rod 42 is meshed with the threaded hole 212 of the rotating support 123, the floating block 12 moves upwards, and the volume which can be passed by air in the throttling shell 1 is increased; when the air pressure in the throttling shell 1 is reduced, the lifting screw 42 rotates in the opposite direction, so that the floating block 12 moves downwards until the floating block moves to the initial position, and the volume through which the air in the throttling shell 1 can pass is reduced; the intelligent throttle valve 2 is used for sensing the air inflow and then adjusting the air inflow entering the inner cavity of the throttle shell 1, so that the intelligent throttle valve 2 is used for overall adjustment of the air inflow, the gap adjusting mechanism is used for fine adjustment, and the intelligent throttle valve 2 and the gap adjusting mechanism adjust the air flow mutually to achieve the effect of optimally controlling the air flow.

The sliding range of the floating block 12 is controlled between 0.3mm and 1mm, so that the adjustment of the air outlet pressure is realized; the effect of balancing the air inlet pressure and the air inlet flow of the air compressor is realized by controlling the floating block 12 to move up and down.

The periphery of the slider 12 is provided with a first limiting ring 121, the inner side of the air inlet 111 is provided with a second limiting ring 113, and the first limiting ring 121 corresponds to the second limiting ring 113 in the vertical position.

The first limiting ring 121 on the periphery of the slider 12 corresponds to the second limiting ring 113 of the air inlet 111 in the vertical position, so that the slider 12 is limited in downward movement.

The inner side of the air inlet 111 is further provided with a plurality of first limiting strips 114, the periphery of the slider 12 is further provided with a plurality of first limiting grooves 122, and the plurality of first limiting strips 114 are in one-to-one correspondence with the plurality of first limiting grooves 122.

Through the correspondence of the plurality of first limit strips 114 with the plurality of first limit grooves 122, the limit of the circumferential rotation of the slider 12 is realized, the rotation of the slider 12 during the up-and-down movement is avoided, and the effectiveness of the up-and-down movement of the slider 12 is ensured.

Still include motor mounting bracket 211, motor mounting bracket 211 establishes in the intelligence choke valve 2, elevator motor 41 establishes on the motor mounting bracket 211, motor mounting bracket 211 with form the lift gap between the slider 12.

The motor mounting frame 211 is used for mounting the lifting motor 41 and limiting the downward movement of the floating block 12, and when the floating block 12 moves upward to be attached to the motor mounting frame 211, namely, a lifting gap is not formed any more, the motor mounting frame 211 supports against the floating block 12 and limiting the floating block 12.

The air inlet structure further comprises a sealing ring 5, wherein the sealing ring 5 is arranged between the floating block 12 and the air inlet 111.

The sealing ring 5 is arranged between the throttling shell 1 and the floating block 12, so that air flow in the air compressor is prevented from leaking to the outside from a gap between the throttling shell 1 and the floating block 12.

As shown in fig. 2-4, the intelligent throttle valve 2 includes a valve body, an air inlet cavity with an upper opening is formed in the valve body, an induction device, a throttle motor 25, a throttle plate 231, a plurality of valves 24 and the lifting motor 41 are sequentially arranged in the air inlet cavity from top to bottom, a plurality of through holes 232 are formed in the throttle plate 231, the plurality of valves 24 correspond to the plurality of through holes 232 one by one, and the throttle motor 25 and the valves 24 are in lifting transmission.

The heights of all the valves 24 are controlled by the throttle motor 25, so that the valves 24 correspond to the through holes 232 or are far away from the through holes 232, and the air flow passing through the air inlet cavity is increased.

The induction device comprises an induction motor 221 and induction fan blades 222, the induction fan blades 222 are arranged at the position close to the opening of the air inlet cavity, the induction motor 221 is arranged below the induction fan blades 222, and the induction fan blades 222 are in transmission fit with an output shaft of the induction motor 221.

The high-speed gas can push the induction fan blades 222 to rotate when entering the valve body through the opening of the air inlet cavity, and the induction motor 221 determines the flow of the high-speed gas through the current generated by the rotating speed of the induction fan blades 222, so that the throttle valve controls the lifting height of the valve 24 in the vertical direction, the throttle valve is attached to or away from the through hole 232, and the flow passing through the intelligent control valve body is realized.

The adjustable throttle valve is characterized by further comprising a rotating sleeve 251, an adjusting screw 252 and a lifting tray 253, wherein the adjusting screw 252 is arranged on the lifting tray 253, the rotating sleeve 251 is connected with a rotating shaft of the throttle motor 25, internal threads are arranged on the inner side of the rotating sleeve 251, the inner side of the rotating sleeve 251 is meshed with the adjusting screw 252, and the lifting tray 253 is respectively connected with the plurality of valves 24.

The lifting movement of all the valves 24 can be controlled by controlling the lifting tray 253 to move up and down, the structure is simple, and the air flow can be conveniently controlled; the lifting movement is controlled in a thread engagement mode, and the transmission is more accurate.

The inner wall of the air inlet cavity is provided with a plurality of second limiting strips 115, one side of the valve 24 is provided with a second limiting groove 241, and the second limiting strips 115 correspond to the second limiting groove 241.

Through the correspondence of the second limiting strip 115 and the second limiting groove 241, the limitation of the rotation of the lifting tray 253 is realized, the rotation of the lifting tray 253 during lifting activity is avoided, and the normal work of throttling of the intelligent throttling valve 2 is ensured.

In this embodiment, the specific types and parameters of the induction motor 221 are as follows: the manufacturer: zhuoye micro motor factory, model: r280, test voltage: 24V, maximum induced current: 42mA, maximum rotation speed: 7200r/min, the diameter of the machine body is 24mm, and the height is 32 mm.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.