CN209943638U - Double-speed valve electric device - Google Patents
Double-speed valve electric device Download PDFInfo
- Publication number
- CN209943638U CN209943638U CN201920674606.1U CN201920674606U CN209943638U CN 209943638 U CN209943638 U CN 209943638U CN 201920674606 U CN201920674606 U CN 201920674606U CN 209943638 U CN209943638 U CN 209943638U
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- gear
- speed clutch
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Abstract
The utility model discloses a double-speed type valve electric device, which comprises a common type valve electric device mechanism, wherein the common type valve electric device mechanism comprises a motor and a motor gear B; the double-speed clutch is characterized by also comprising a double-speed clutch mechanism, wherein the double-speed clutch mechanism comprises a motor gear A, a transmission gear B, a high-speed clutch gear, a high-speed clutch, a low-speed clutch, a transmission gear C, a low-speed clutch gear, a transmission shaft A and a transmission shaft B; the advantages are as follows: the double-speed clutch device enables the electric device to run at different speeds in different time intervals, thereby meeting the time requirement of opening and closing the valve, and solving the problems of damage to a pipeline system caused by 'water hammer' due to quick opening or closing and over-tight seating of the valve clack due to great inertia force.
Description
Technical Field
The utility model relates to a valve electric actuator technical field, especially double speed type valve electric actuator.
Background
The valve electric actuator is an electromechanical integrated industrial device which is matched with a valve for use and controls the opening and closing of the valve. When the valve needs to be opened or closed, the control room gives an opening or closing instruction, and the electric device is started to drive the valve rod to ascend or descend; when the specified number of revolutions or the specified torque is reached, the stroke or torque sleeve of the electric device is actuated to stop the operation.
The structure of the valve and the electric device in the prior art is shown in figure 1. The motor 1 is connected with a motor gear B2 through a shaft key; the worm shaft gear 3 and the worm shaft 4 are also in shaft key connection; the worm shaft 4 and the stroke worm 4-1 are integrated; the stroke worm 4-1 is meshed with a stroke worm wheel 6-1 in the stroke sleeve 6; the worm 4-2 and the worm shaft 4 are integrated; the worm 4-2 is meshed with the worm wheel 5, and the worm wheel 5 is in jaw connection with the output shaft 8.
When the electric device is to be opened or closed, the control room gives an opening or closing instruction, the motor 1 is started, the motor gear B2 rotates along with the motor shaft, the motor gear B2 drives the worm shaft gear 3 to rotate, the worm shaft 4 rotates along with the worm shaft gear 3, the worm 4-2 rotates to drive the worm wheel 5 to rotate, the worm wheel 5 drives the output shaft 8 to rotate along with the worm shaft gear 3, and the output shaft 8 rotates to enable the valve rod of the valve to ascend or descend so as to control the valve to be opened or closed. When the worm shaft 4 rotates, the worm 4-2 drives the worm wheel 5 to rotate, the stroke worm 4-1 drives the stroke worm wheel 6-1 to rotate, and when the output shaft 8 reaches the specified number of turns, the stroke sleeve 6 acts to cut off the power supply, and the electric device stops running. The electric device runs at the same speed from start to stop.
The electric device in the prior art has the following defects:
1. the rapid closing of the valve causes a momentary change in the pressure of the piping, which is a phenomenon that is prone to "water hammer" and, consequently, to varying degrees of damage to the piping.
2. The high-speed seating of the valve clack causes the output torque of an electric device to be increased instantly (mainly referring to a multi-rotary gate valve and a stop valve), and because a high-speed electric device transmission system and the high-speed operating valve clack have large inertia, the valve clack is seated too tightly and is difficult to open again, and sometimes, the sealing surface of the valve is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double speed type valve electric actuator adds double speed mechanism between ordinary electric actuator and motor, and the valve is from the high-speed operation in the stroke interval of wide open position to assigned position, and surplus stroke low-speed operation to avoid opening or closing the damage that brings for pipeline and electric actuator because of fast.
The technical scheme of the utility model: a double-speed type valve electric device comprises a common type valve electric device mechanism, wherein the common type valve electric device mechanism comprises a motor and a motor gear B; the double-speed clutch is characterized by also comprising a double-speed clutch mechanism, wherein the double-speed clutch mechanism comprises a motor gear A, a transmission gear B, a high-speed clutch gear, a high-speed clutch, a low-speed clutch, a transmission gear C, a low-speed clutch gear, a transmission shaft A and a transmission shaft B; the motor gear A is connected with the motor through a shaft key and meshed with the transmission gear A; the transmission gear A, the transmission gear B and the transmission gear C are respectively connected with the transmission shaft A through shaft keys, the transmission gear B and the transmission gear C are axially fixed on the transmission shaft A, the transmission gear B is meshed with or separated from a high-speed clutch gear, and the transmission gear C is meshed with or separated from a low-speed clutch gear; the high-speed clutch gear and the low-speed clutch gear are respectively sleeved on the transmission shaft B, the high-speed clutch and the low-speed clutch are respectively connected with the transmission shaft B through shaft keys, the high-speed clutch gear and the high-speed clutch are connected or disconnected through a jaw, and the low-speed clutch gear and the low-speed clutch are connected or disconnected through a jaw; and the transmission shaft B is in shaft key connection with a motor gear B.
The common valve electric device mechanism further comprises a worm shaft gear, a worm shaft, a stroke worm, a worm wheel, a stroke part sleeve and an output shaft, wherein the motor gear B is meshed with the worm shaft gear, the worm shaft gear is connected with the worm shaft through a shaft key, the worm shaft is integrated with the stroke worm, the stroke worm is meshed with the stroke worm wheel in the stroke part sleeve, the worm is integrated with the worm shaft, the worm is meshed with the worm wheel, and the worm wheel is connected with the output shaft through a tooth insert.
The utility model discloses a working process:
(1) and (3) high-speed operation: the stroke part sleeve controls the gear of the high-speed clutch to be connected with the high-speed clutch through a jaw through a control circuit, and simultaneously controls the gear of the low-speed clutch to be disengaged from the low-speed clutch, at the moment, the gear of the high-speed clutch is meshed with the transmission gear B, and the gear of the low-speed clutch is in an idle state; the valve comprises a motor, a motor gear A, a transmission gear B, a worm shaft gear, a worm wheel, an output shaft and a valve rod, wherein the motor gear A rotates along with the motor, the motor gear A drives the transmission gear A to rotate, the transmission gear A drives a transmission shaft A and a transmission gear B connected with the transmission shaft A to rotate, the transmission gear B drives a high-speed clutch gear to rotate, the high-speed clutch gear drives the transmission shaft B and a motor gear B connected with the transmission shaft B to rotate, the motor gear B drives the worm shaft gear to rotate, the worm gear drives the worm shaft and the worm to rotate together; (see FIG. 2)
(2) And (3) low-speed operation: when the worm shaft rotates, the worm drives the worm wheel to rotate, the stroke worm drives the stroke worm wheel to rotate, when the output shaft reaches the specified number of turns, the stroke sleeve controls the gear of the high-speed clutch to be disengaged from the high-speed clutch through the control circuit, and controls the gear of the low-speed clutch to be connected with the low-speed clutch through the jaw, at the moment, the gear of the low-speed clutch is meshed with the transmission gear C, and the gear of the high-speed clutch is in an idle state; the motor rotates, the motor gear A rotates along with the motor, the motor gear A drives the transmission gear A to rotate, the transmission gear A drives the transmission shaft A and the transmission gear C connected with the transmission shaft A to rotate, the transmission gear C drives the low-speed clutch gear to rotate, the low-speed clutch gear drives the transmission shaft B and the motor gear B connected with the transmission shaft B to rotate, and the later transmission and the high-speed operation are the same. (see FIG. 3)
The utility model has the advantages and positive effects that: the double-speed clutch device enables the electric device to run at different speeds in different time intervals, thereby meeting the time requirement of opening and closing the valve, and solving the problems of damage to a pipeline system caused by 'water hammer' due to quick opening or closing and over-tight seating of the valve clack due to great inertia force.
Drawings
Fig. 1 is a schematic structural diagram of an electric device for a valve in the prior art.
Fig. 2 is a schematic structural diagram of the dual-speed type valve electric device according to the present invention when operating at high speed.
Fig. 3 is a schematic structural view of the dual-speed valve electric actuator of the present invention when operating at a low speed.
The device comprises a motor 1, a motor gear B2, a worm shaft gear 3, a worm shaft 4, a stroke worm 4-1, a worm 4-2, a worm wheel 5, a stroke sleeve 6, a stroke worm wheel 6-1, a transmission shaft B7, an output shaft 8, a motor gear A9, a transmission gear A10, a transmission gear B11, a high-speed clutch gear 12, a high-speed clutch 13, a low-speed clutch 14, a transmission gear C15, a low-speed clutch gear 16 and a transmission shaft A17.
Detailed Description
Example (b): a double-speed type valve electric device comprises a common type valve electric device mechanism, wherein the common type valve electric device mechanism comprises a motor 1 and a motor gear B2; the device is characterized by further comprising a double-speed clutch mechanism, wherein the double-speed clutch mechanism comprises a motor gear A9, a transmission gear A10, a transmission gear B11, a high-speed clutch gear 12, a high-speed clutch 13, a low-speed clutch 14, a transmission gear C15, a low-speed clutch gear 16, a transmission shaft A17 and a transmission shaft B7; the motor gear A9 is connected with the motor 1 through a shaft key, and the motor gear A9 is meshed with the transmission gear A10; the transmission gear A10, the transmission gear B11 and the transmission gear C15 are respectively connected with a transmission shaft A17 through shaft keys, the transmission gear B11 and the transmission gear C15 are axially fixed on the transmission shaft A17, the transmission gear B11 is meshed with or separated from the high-speed clutch gear 12, and the transmission gear C15 is meshed with or separated from the low-speed clutch gear 16; the high-speed clutch gear 12 and the low-speed clutch gear 16 are respectively sleeved on a transmission shaft B7, the high-speed clutch 13 and the low-speed clutch 14 are respectively connected with the transmission shaft B7 through shaft keys, the high-speed clutch gear 12 and the high-speed clutch 13 are connected or disconnected through a jaw, and the low-speed clutch gear 16 and the low-speed clutch 14 are connected or disconnected through a jaw; the transmission shaft B7 is in shaft key connection with a motor gear B2.
The common valve electric device mechanism further comprises a worm shaft gear 3, a worm shaft 4, a stroke worm 4-1, a worm 4-2, a worm wheel 5, a stroke sleeve 6 and an output shaft 8, the motor gear B2 is meshed with the worm shaft gear 3, the worm shaft gear 3 is connected with the worm shaft 4 through a shaft key, the worm shaft 4 is integrated with the stroke worm 4-1, the stroke worm 4-1 is meshed with the stroke worm wheel 6-1 in the stroke sleeve 6, the worm 4-2 is integrated with the worm shaft 4, the worm 4-2 is meshed with the worm wheel 5, and the worm wheel 5 is connected with the output shaft 8 through a tooth insert.
The working process of the embodiment:
(1) and (3) high-speed operation: the stroke sleeve 6 controls the high-speed clutch gear 12 to be connected with the high-speed clutch 13 through a jaw through a control circuit, and simultaneously controls the low-speed clutch gear 16 to be disconnected with the low-speed clutch 14, at the moment, the high-speed clutch gear 12 is meshed with the transmission gear B11, and the low-speed clutch gear 16 is in an idle running state; the motor 1 rotates, the motor gear A9 rotates along with the motor 1, the motor gear A9 drives the transmission gear A10 to rotate, the transmission gear A10 drives the transmission shaft A17 and the transmission gear B11 connected with the transmission shaft A17 to rotate, the transmission gear B11 drives the high-speed clutch gear 12 to rotate, the high-speed clutch gear 12 drives the transmission shaft B7 and the motor gear B2 connected with the transmission shaft B7 to rotate, the motor gear B2 drives the worm shaft gear 3 to rotate, the worm gear 3 drives the worm shaft 4 and the worm 4-2 to rotate together, the worm 4-2 rotates the worm wheel 5 to rotate, the worm wheel 5 drives the output shaft 8 to rotate together, and the output shaft 8 rotates to enable the valve rod of the valve to ascend or descend;
(2) and (3) low-speed operation: when the worm shaft 4 rotates, the worm 4-2 drives the worm wheel 5 to rotate, the stroke worm 4-1 drives the stroke worm wheel 6-1 to rotate, when the output shaft 8 reaches a specified number of turns, the stroke sleeve 6 controls the high-speed clutch gear 12 to be disengaged from the high-speed clutch 13 through the control circuit, and controls the low-speed clutch gear 16 to be connected with the low-speed clutch 14 through the jaw, at the moment, the low-speed clutch gear 16 is meshed with the transmission gear C15, and the high-speed clutch gear 12 is in an idling state; the motor 1 rotates, the motor gear A9 rotates along with the motor 1, the motor gear A9 drives the transmission gear A10 to rotate, the transmission gear A10 drives the transmission shaft A17 and the transmission gear C15 connected with the transmission shaft A17 to rotate, the transmission gear C15 drives the low-speed clutch gear 16 to rotate, the low-speed clutch gear 16 drives the transmission shaft B7 and the motor gear B2 connected with the transmission shaft B7 to rotate, and the later transmission and the high-speed operation are the same.
Claims (2)
1. A double-speed type valve electric device comprises a common type valve electric device mechanism, wherein the common type valve electric device mechanism comprises a motor and a motor gear B; the double-speed clutch is characterized by also comprising a double-speed clutch mechanism, wherein the double-speed clutch mechanism comprises a motor gear A, a transmission gear B, a high-speed clutch gear, a high-speed clutch, a low-speed clutch, a transmission gear C, a low-speed clutch gear, a transmission shaft A and a transmission shaft B; the motor gear A is connected with the motor through a shaft key and meshed with the transmission gear A; the transmission gear A, the transmission gear B and the transmission gear C are respectively connected with the transmission shaft A through shaft keys, the transmission gear B and the transmission gear C are axially fixed on the transmission shaft A, the transmission gear B is meshed with or separated from a high-speed clutch gear, and the transmission gear C is meshed with or separated from a low-speed clutch gear; the high-speed clutch gear and the low-speed clutch gear are respectively sleeved on the transmission shaft B, the high-speed clutch and the low-speed clutch are respectively connected with the transmission shaft B through shaft keys, the high-speed clutch gear and the high-speed clutch are connected or disconnected through a jaw, and the low-speed clutch gear and the low-speed clutch are connected or disconnected through a jaw; and the transmission shaft B is in shaft key connection with a motor gear B.
2. The dual-speed valve electric actuator according to claim 1, wherein the common valve electric actuator further comprises a worm shaft gear, a worm shaft, a travel worm, a worm wheel, a travel sleeve and an output shaft, wherein the motor gear B is meshed with the worm shaft gear, the worm shaft gear is connected with the worm shaft through a shaft key, the worm shaft is integrated with the travel worm, the travel worm is meshed with the travel worm wheel in the travel sleeve, the worm is integrated with the worm shaft, the worm is meshed with the worm wheel, and the worm wheel is connected with the output shaft through a tooth insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674606.1U CN209943638U (en) | 2019-05-13 | 2019-05-13 | Double-speed valve electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674606.1U CN209943638U (en) | 2019-05-13 | 2019-05-13 | Double-speed valve electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943638U true CN209943638U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674606.1U Active CN209943638U (en) | 2019-05-13 | 2019-05-13 | Double-speed valve electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943638U (en) |
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2019
- 2019-05-13 CN CN201920674606.1U patent/CN209943638U/en active Active
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