CN214946721U

CN214946721U - High-temperature type angular travel electric actuator

Info

Publication number: CN214946721U
Application number: CN202121202559.4U
Authority: CN
Inventors: 李欣荣; 闫克
Original assignee: Tianjin Haoyang Automation Equipment Co ltd
Current assignee: Tianjin Haoyang Automation Equipment Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-30
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a high-temperature type angle stroke electric actuator, which comprises an actuator, a shaft sleeve and a transmission shaft, wherein the actuator is fixedly connected with an oil storage tank, and the oil storage tank is connected with a connecting pipe; the inner wall fixedly connected with first fixed plate of actuating mechanism, first fixed plate fixedly connected with second fixed plate, sliding connection has first slide in the first fixed plate, first slide fixedly connected with dead lever, dead lever sliding connection has the slider, be provided with first spring between dead lever and the slider, the bottom and the cam of slider offset, cam and transmission shaft fixed connection, the connecting pipe intercommunication has the liquid pipe, the first end cap of both ends fixedly connected with of first slide, the dead lever, the slider sets up in the inside of second fixed plate, be equipped with the second cavity in the second fixed plate, second cavity and first cavity, the axle sleeve is linked together with the clearance of transmission shaft. The device can automatically and slowly add lubricating oil in the rotating process of the transmission shaft, and effectively avoids abrasion between the transmission shaft and the shaft sleeve.

Description

High-temperature type angular travel electric actuator

Technical Field

The utility model relates to an actuating mechanism technical field especially relates to a high temperature type angle stroke electric actuator.

Background

The actuator is defined most broadly as a drive device that provides linear or rotational motion and operates from some source of drive energy and under some control signal, and uses a liquid, gas, electricity or other energy source and converts it into drive action by a motor, cylinder or other means.

When the existing angle stroke electric actuating mechanism is used, displacement is generated often due to excessive abrasion between a transmission shaft and a shaft sleeve, so that an electric controller is in failure, position feedback is inconsistent with an instruction, and normal work of the angle stroke electric actuating mechanism is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to the background art, the utility model provides a high temperature type angle stroke electric actuator can be automatic and slow additional lubrication oil at transmission shaft pivoted in-process, has effectively avoided the wearing and tearing between transmission shaft and the axle sleeve.

In order to achieve the above object, the present invention provides the following technical solutions: a high-temperature type angular travel electric actuator comprises an actuator, a shaft sleeve and a transmission shaft, wherein the actuator is in transmission connection with a motor through a reduction box, the shaft sleeve is fixedly connected in the actuator, the shaft sleeve is rotatably connected with the transmission shaft, the top of the actuator is fixedly connected with an oil storage tank, the oil storage tank is connected with a connecting pipe, and the connecting pipe extends into the actuator;

the inner wall of the actuating mechanism is fixedly connected with a first fixing plate, the first fixing plate is fixedly connected with a second fixing plate, a first sliding plate is connected in the first fixing plate in a sliding manner, a fixing rod is fixedly connected to the bottom of the first sliding plate, a sliding block is connected to the bottom of the fixing rod in a sliding manner, the fixing rod extends into the sliding block, a first spring is arranged between the fixing rod and the sliding block, the bottom of the sliding block abuts against a cam, the cam is fixedly connected with the transmission shaft, the connecting pipe is communicated with a liquid pipe, the liquid pipe extends into a first cavity arranged in the first fixing plate, first plugs are fixedly connected to two ends of the first sliding plate and used for plugging the outlet end of the liquid pipe, the fixing rod and the sliding block are arranged in the second fixing plate, and a second cavity is arranged in the second fixing plate, the second cavity is communicated with the first cavity and the gap between the shaft sleeve and the transmission shaft.

By adopting the scheme, the lubricating oil is filled in the oil storage tank, the lubricating oil flows downwards along the connecting pipe and the liquid pipe under the action of gravity, when the transmission shaft rotates, the cam is driven to rotate, because the cam is abutted against the bottom of the sliding block, the sliding block reciprocates upwards or downwards in the rotating process of the cam, when the sliding block moves upwards, the first spring is extruded, the first spring is compressed and extrudes the fixed rod, so that the fixed rod and the first plug are driven to move upwards, when a gap exists between the first plug and the outlet of the liquid pipe, the lubricating oil flows into the first cavity and then flows into the gap between the shaft sleeve and the transmission shaft along the second cavity to lubricate the shaft sleeve and the transmission shaft, when the transmission shaft stops rotating, the first plug is always in a state of closing the outlet end of the liquid pipe to prevent the lubricating oil from flowing into the first cavity from the liquid pipe, and the device can automatically and slowly add the lubricating oil to the gap between the transmission shaft and the shaft sleeve in the rotating process of the transmission shaft, effectively avoiding the abrasion between the transmission shaft and the shaft sleeve.

Preferably, a second sliding plate is slidably connected to the fixing rod, one end of a second spring is fixedly connected to the second sliding plate, the other end of the second spring is fixedly connected to the sliding block, second plugs are fixedly connected to two ends of the second sliding plate, the second plugs are arranged in the second cavities, and the second plugs are used for blocking outlet ends of the first cavities.

By adopting the scheme, when the transmission shaft rotates, the cam is driven to rotate, because the cam is abutted against the bottom of the sliding block, the sliding block reciprocates upwards or downwards in the rotating process of the cam, when the sliding block moves upwards, the second spring is extruded to drive the second sliding plate and the second plug to move upwards, when a gap is formed between the second plug and the first cavity, the lubricating oil in the first cavity flows into the second cavity and then flows into the gap between the shaft sleeve and the transmission shaft along the second cavity to lubricate the shaft sleeve and the transmission shaft, when the transmission shaft stops rotating, the second plug is always in a state of sealing the outlet end of the first cavity to prevent the lubricating oil from flowing into the second cavity from the first cavity, the device can automatically and slowly add the lubricating oil into the gap between the transmission shaft and the shaft sleeve in the rotating process of the transmission shaft, and effectively avoids the abrasion between the transmission shaft and the shaft sleeve, in the rotating process of the transmission shaft, a gap is formed between the second plug and the first cavity, a gap is also formed between the first plug and the liquid pipe, and the second plug seals the outlet end of the first cavity, and the first plug is also in a state of sealing the outlet end of the liquid pipe.

Preferably, one side of the reduction gearbox is provided with a handle and an electric control box, and an electric controller is detachably connected in the electric control box.

By adopting the scheme, the arranged electric control box is used for receiving external signals, controlling the motor to work and driving the transmission shaft to rotate through the reduction gearbox.

Preferably, the bottom of the reduction gearbox is provided with a limiting groove, the limiting groove is connected with a limiting rod in a sliding mode, the top of the limiting rod is fixedly connected with a supporting plate, a third spring is arranged between the supporting plate and the bottom of the reduction gearbox, and the top of the reduction gearbox is fixedly connected with a rubber pad.

By adopting the scheme, when the electric controller is installed in the reduction gearbox, the electric controller presses the supporting plate downwards, the third spring can absorb part of energy at the moment, so that certain buffering force is provided for the bottom of the electric controller, the arranged rubber pad provides certain buffering force for the top of the electric controller, the electric controller is prevented from being damaged, the limiting rod is arranged to ensure that the supporting plate is always in a horizontal state, and the electric controller is prevented from being inclined.

Preferably, a fourth spring is arranged in the limit groove, one end of the fourth spring is fixedly connected with the limit rod, and the other end of the fourth spring is fixedly connected with the inner wall of the limit groove.

By adopting the scheme, when the electric controller is installed in the reduction box, the supporting plate and the limiting rod are pressed downwards, the fourth spring is extruded, part of energy can be absorbed, and the bottom of the electric controller is further buffered.

Preferably, a pressing plate is fixedly connected to the supporting plate.

By adopting the scheme, the pressing plate is pressed downwards, so that an operator can take the electric controller out of the electric control box conveniently.

Preferably, a flow valve is arranged on the connecting pipe.

By adopting the scheme, the flow of the lubricating oil in the connecting pipe can be conveniently adjusted by an operator.

Preferably, the oil storage tank is provided with an observation window.

By adopting the scheme, the oil storage amount in the oil storage tank can be conveniently observed by an operator.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the first fixed plate, the second fixed plate, first slide, dead lever, slider, first spring, liquid pipe, first cavity, first end cap, the second cavity that set up can drive cam pivoted in-process at the transmission shaft, and automatic and slow to the clearance addition lubricating oil of transmission shaft and axle sleeve, effectively avoided the wearing and tearing between transmission shaft and the axle sleeve.

(2) The second slide, second spring, slider, the second end cap that set up can use with first fixed plate, second fixed plate, first slide, dead lever, slider, first spring, liquid pipe, first cavity, first end cap, the cooperation of second cavity, drives cam pivoted in-process at the transmission shaft, and automatic and slow lubricating oil is added to the clearance of transmission shaft and axle sleeve, has effectively avoided the wearing and tearing between transmission shaft and the axle sleeve.

(3) The pressing plate that sets up makes things convenient for operating personnel to take out the electric controller from the electric control box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of the position a in fig. 1.

In the figure: 1. a drive shaft; 2. a shaft sleeve; 3. an actuator; 4. an oil storage tank; 5. a reduction gearbox; 6. a motor; 7. a handle; 8. an electrical control box; 9. a rubber pad; 10. a support plate; 11. a third spring; 12. a limiting rod; 13. a limiting groove; 14. a cam; 15. a flow valve; 16. a liquid pipe; 17. a first fixing plate; 18. a first cavity; 19. a first plug; 20. a first slide plate; 21. fixing the rod; 22. a second plug; 23. a second spring; 24. a slider; 25. a second slide plate; 26. a first spring; 27. pressing a plate; 28. a connecting pipe; 29. a second fixing plate; 30. a second cavity; 31. an electrical controller; 32. and a fourth spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a high temperature type angle stroke electric actuator, including actuating mechanism 3, axle sleeve 2 and transmission shaft 1, actuating mechanism 3 is connected with motor 6 transmission through reducing gear box 5, fixedly connected with axle sleeve 2 in actuating mechanism 3, axle sleeve 2 rotates and is connected with transmission shaft 1, the top of actuating mechanism 3 is fixedly connected with oil storage tank 4, be connected with connecting pipe 28 on oil storage tank 4, connecting pipe 28 stretches into the inside of actuating mechanism 3;

a first fixing plate 17 is fixedly connected to the inner wall of the actuator 3, a second fixing plate 29 is fixedly connected to the first fixing plate 17, a first sliding plate 20 is slidably connected to the first fixing plate 17, a fixing rod 21 is fixedly connected to the bottom of the first sliding plate 20, a sliding block 24 is slidably connected to the bottom of the fixing rod 21, the fixing rod 21 extends into the sliding block 24, a first spring 26 is arranged between the fixing rod 21 and the sliding block 24, the bottom of the sliding block 24 abuts against the cam 14, the cam 14 is fixedly connected with the transmission shaft 1, a liquid pipe 16 is communicated with a connecting pipe 28, the liquid pipe 16 extends into a first cavity 18 formed in the first fixing plate 17, first plugs 19 are fixedly connected to the two ends of the first sliding plate 20, the first plugs 19 are used for plugging the outlet end of the liquid pipe 16, the fixing rod 21 and the sliding block 24 are arranged in the second fixing plate 29, a second cavity 30 is formed in the second fixing plate 29, and the second cavity 30 is connected with the first cavity 18, The shaft sleeve 2 is communicated with the gap of the transmission shaft 1.

The oil storage tank 4 is filled with lubricating oil, under the action of gravity, the lubricating oil flows downwards along the connecting pipe 28 and the liquid pipe 16, when the transmission shaft 1 rotates, the cam 14 is driven to rotate, because the cam 14 is abutted against the bottom of the sliding block 24, in the rotating process of the cam 14, the sliding block 24 reciprocates upwards or downwards, when the sliding block 24 moves upwards, the first spring 26 is extruded, the first spring 26 is compressed, the fixing rod 21 is extruded, the fixing rod 21 and the first plug 19 are driven to move upwards, when a gap exists between the first plug 19 and the outlet of the liquid pipe 16, the lubricating oil flows into the first cavity 18, then flows into the gap between the shaft sleeve 2 and the transmission shaft 1 along the second cavity 30, the shaft sleeve 2 and the transmission shaft 1 are lubricated, when the transmission shaft 1 stops rotating, the first plug 19 is always in a state that the outlet end of the liquid pipe is sealed by the liquid pipe 16, and the lubricating oil is prevented from flowing into the first cavity 18 from the liquid pipe 16, the device can automatically and slowly add lubricating oil to the gap between the transmission shaft 1 and the shaft sleeve 2 in the rotating process of the transmission shaft 1, and effectively avoids abrasion between the transmission shaft 1 and the shaft sleeve 2.

The fixed rod 21 is slidably connected with a second sliding plate 25, one end of a second spring 23 is fixedly connected to the second sliding plate 25, the other end of the second spring 23 is fixedly connected with a sliding block 24, two ends of the second sliding plate 25 are fixedly connected with second plugs 22, the second plugs 22 are arranged in the second cavity 30, and the second plugs 22 are used for plugging the outlet end of the first cavity 18.

When the transmission shaft 1 rotates, the cam 14 is driven to rotate, because the cam 14 is abutted against the bottom of the sliding block 24, in the rotating process of the cam 14, the sliding block 24 reciprocates upwards or downwards, when the sliding block 24 moves upwards, the second spring 23 is extruded, so that the second sliding plate 25 and the second plug 22 are driven to move upwards, when a gap is generated between the second plug 22 and the first cavity 18, the lubricating oil in the first cavity 18 flows into the second cavity 30 and then flows into the gap between the shaft sleeve 2 and the transmission shaft 1 along the second cavity 30, the shaft sleeve 2 and the transmission shaft 1 are lubricated, when the transmission shaft 1 stops rotating, the second plug 22 is always in a state of sealing the outlet end of the first cavity 18, the lubricating oil is prevented from flowing into the second cavity 30 from the first cavity 18, and the device can automatically and slowly add the lubricating oil to the gap between the transmission shaft 1 and the shaft sleeve 2 in the rotating process of the transmission shaft 1, the abrasion between the transmission shaft 1 and the shaft sleeve 2 is effectively avoided, in the rotation process of the transmission shaft 1, a gap is formed between the second plug 22 and the first cavity 18, a gap is also formed between the first plug 19 and the liquid pipe 16, and when the second plug 22 seals the outlet end of the first cavity 18, the first plug 19 is also in a state of sealing the outlet end of the liquid pipe 16.

One side of the reduction box 5 is provided with a handle 7 and an electric control box 8, and an electric controller 31 is detachably connected in the electric control box 8.

The electric control box 8 is used for receiving external signals, controlling the motor 6 to work and driving the transmission shaft 1 to rotate through the reduction gearbox 5.

The bottom of reducing gear box 5 is provided with spacing groove 13, and sliding connection has gag lever post 12 in spacing groove 13, and the top fixedly connected with backup pad 10 of gag lever post 12 is provided with third spring 11 between the bottom of backup pad 10 and reducing gear box 5, and the top fixedly connected with rubber pad 9 of reducing gear box 5.

When the electric controller 31 is installed in the reduction gearbox 5, the electric controller 31 presses the support plate 10 downwards, at the moment, the third spring 11 can absorb a part of energy, so that a certain buffering force is provided for the bottom of the electric controller 31, the arranged rubber pad 9 provides a certain buffering force for the top of the electric controller 31, the electric controller 31 is prevented from being damaged, the arranged limiting rod 12 ensures that the support plate 10 is always in a horizontal state, and the electric controller 31 is prevented from being inclined.

A fourth spring 32 is arranged in the limit groove 13, one end of the fourth spring 32 is fixedly connected with the limit rod 12, and the other end of the fourth spring is fixedly connected with the inner wall of the limit groove 13.

When the electric controller 31 is installed in the reduction box 5, the support plate 10 and the stopper rod 12 are pressed down, and the fourth spring 32 is pressed, so that a part of energy can be absorbed, and the bottom of the electric controller 31 is further buffered.

The support plate 10 is fixedly connected with a pressing plate 27, and the pressing plate 27 is pressed downwards, so that an operator can conveniently take out the electric controller 31 from the electric control box 8.

The connecting pipe 28 is provided with a flow valve 15, so that an operator can conveniently adjust the flow of the lubricating oil in the connecting pipe 28.

Be provided with the observation window on the batch oil tank 4, make things convenient for operating personnel to observe the oil storage capacity in batch oil tank 4.

The working principle is as follows: the electric control box 8 receives an external signal, then controls the motor 6 to work, and drives the transmission shaft 1 to rotate through the reduction gearbox 5, so as to drive the cam 14 to rotate, because the cam 14 is abutted against the bottom of the sliding block 24, in the rotating process of the cam 14, the sliding block 24 reciprocates upwards or downwards, when the sliding block 24 moves upwards, the first spring 26 is extruded, the first spring 26 is compressed, the fixed rod 21 is extruded, the fixed rod 21 and the first plug 19 are driven to move upwards, and when a gap exists between the first plug 19 and the outlet of the liquid pipe 16, lubricating oil flows into the first cavity 18;

meanwhile, when the sliding block 24 moves upwards, the second spring 23 is extruded, so that the second sliding plate 25 and the second plug 22 are driven to move upwards, when a gap is formed between the second plug 22 and the first cavity 18, the lubricating oil in the first cavity 18 flows into the second cavity 30, then flows into the gap between the shaft sleeve 2 and the transmission shaft 1 along the second cavity 30, and lubricates the shaft sleeve 2 and the transmission shaft 1;

when the transmission shaft 1 stops rotating, the first plug 19 is always in a state of closing the outlet end of the liquid pipe 16, the second plug 22 is always in a state of closing the outlet end of the first cavity 18, so that lubricating oil is prevented from flowing into the first cavity 18 and the second cavity 30 from the liquid pipe 16, in the rotating process of the transmission shaft 1, a gap is formed between the first plug 19 and the liquid pipe 16 while a gap is formed between the second plug 22 and the first cavity 18, and in the process of closing the outlet end of the first cavity 18 by the second plug 22, the first plug 19 is also in a state of closing the outlet end of the liquid pipe 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-temperature type angular travel electric actuator comprises an actuator (3), a shaft sleeve (2) and a transmission shaft (1), wherein the actuator (3) is in transmission connection with a motor (6) through a reduction gearbox (5), the shaft sleeve (2) is fixedly connected in the actuator (3), the shaft sleeve (2) is rotatably connected with the transmission shaft (1), the top of the actuator (3) is fixedly connected with an oil storage tank (4), the oil storage tank (4) is connected with a connecting pipe (28), and the connecting pipe (28) extends into the actuator (3);

the device is characterized in that a first fixing plate (17) is fixedly connected to the inner wall of the actuating mechanism (3), a second fixing plate (29) is fixedly connected to the first fixing plate (17), a first sliding plate (20) is slidably connected to the first fixing plate (17), a fixing rod (21) is fixedly connected to the bottom of the first sliding plate (20), a sliding block (24) is slidably connected to the bottom of the fixing rod (21), the fixing rod (21) extends into the sliding block (24), a first spring (26) is arranged between the fixing rod (21) and the sliding block (24), the bottom of the sliding block (24) is abutted against a cam (14), the cam (14) is fixedly connected with the transmission shaft (1), a liquid pipe (16) is communicated with the connecting pipe (28), and the liquid pipe (16) extends into a first cavity (18) formed in the first fixing plate (17), the utility model discloses a liquid storage device, including first slide (20), first end cap (19) of both ends fixedly connected with of first slide (20), first end cap (19) are used for blockking up the exit end of liquid pipe (16), dead lever (21), slider (24) set up in the inside of second fixed plate (29), be equipped with second cavity (30) in second fixed plate (29), second cavity (30) are linked together with the clearance of first cavity (18), axle sleeve (2) and transmission shaft (1).

2. A high-temperature type angular travel electric actuator according to claim 1, wherein a second sliding plate (25) is slidably connected to the fixing rod (21), one end of a second spring (23) is fixedly connected to the second sliding plate (25), the other end of the second spring (23) is fixedly connected to the sliding block (24), a second plug (22) is fixedly connected to both ends of the second sliding plate (25), the second plug (22) is disposed in the second cavity (30), and the second plug (22) is used for plugging the outlet end of the first cavity (18).

3. The high-temperature type angular travel electric actuator according to claim 1, wherein a handle (7) and an electric control box (8) are arranged on one side of the reduction gearbox (5), and an electric controller (31) is detachably connected in the electric control box (8).

4. The high-temperature type angle stroke electric actuator mechanism according to claim 1, wherein a limiting groove (13) is formed in the bottom of the reduction gearbox (5), a limiting rod (12) is connected in the limiting groove (13) in a sliding manner, a supporting plate (10) is fixedly connected to the top of the limiting rod (12), a third spring (11) is arranged between the supporting plate (10) and the bottom of the reduction gearbox (5), and a rubber pad (9) is fixedly connected to the top of the reduction gearbox (5).

5. The high-temperature type angular travel electric actuator according to claim 4, wherein a fourth spring (32) is arranged in the limiting groove (13), one end of the fourth spring (32) is fixedly connected with the limiting rod (12), and the other end of the fourth spring is fixedly connected with the inner wall of the limiting groove (13).

6. A high temperature type angular travel electric actuator according to claim 4, characterized in that a pressure plate (27) is fixedly connected to said support plate (10).

7. A high temperature type angular travel electric actuator according to claim 1, characterized in that said connection pipe (28) is provided with a flow valve (15).

8. A high temperature type angular travel electric actuator according to claim 1, wherein said oil reservoir (4) is provided with an observation window.