CN218771629U

CN218771629U - Self-tripping electric jigger

Info

Publication number: CN218771629U
Application number: CN202223305627.7U
Authority: CN
Inventors: 郭秋明; 谢鹭; 余秋萍; 陈磊
Original assignee: Hangzhou Ruineng Technology Equipment Co ltd
Current assignee: Hangzhou Ruineng Technology Equipment Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-03-28
Anticipated expiration: 2032-12-10

Abstract

The utility model relates to an electric barring technical field just discloses a from tripping electric barring, including mounting bracket, reduction gear and motor, the right side fixedly connected with transmission case of reduction gear, the inner wall of transmission case is provided with the fixed plate, the output shaft of reduction gear runs through the inner wall of fixed plate, the fixed cover of output shaft of reduction gear has connect No. two gears, the inner wall of fixed plate passes through the bearing and rotates and install the gear shaft. The utility model discloses a centrifugal force that a gear utilized the high-speed rotation of rotor gear to produce after accomplishing automatic tripping drives the bearing and rotates around the output shaft axial of reduction gear along the inner wall of a standing groove, makes the guide post by synchronous drive and gradually with the magnet contact in order to reach the fixed purpose of magnetism to let a gear after the dropout can maintain established fixed position, prevent its and high-speed pivoted rotor gear contact, collision, damage, the reliability is high.

Description

Self-tripping electric jigger

Technical Field

The utility model relates to an electric barring technical field, more specifically says, the utility model relates to a from tripping electric barring.

Background

The electric barring device is a test power mechanism which drives a large motor to rotate for several circles and is used for judging whether a load driven by the motor is blocked and the resistance is increased, so that the starting load of the motor is not increased and the motor is not damaged (namely, the motor is burnt out), and therefore, the electric barring device is required to be electrically powered when the motor is restarted after the motor is stopped for one shift (8 hours).

In the prior art, the electric jigger comprises a motor, a speed reducer and a gear box (comprising a pinion, a gearwheel and a swing gear), wherein the gearwheel can rotate in a meshing manner with a driven rotor gear during working, and when the rotating speed of the rotor gear is greater than that of the gearwheel, the gearwheel can automatically trip (namely disengage) from the rotor gear under the action of centrifugal force, and then the swing gear is driven to move.

However, the large gear is easy to rotate when swinging and separating, so that the large gear is collided with a rotating gear and even damaged, in the prior art, the large gear is driven to a position where the large gear is separated from a rotor gear by using the air cylinder after completing a driving task, but the air cylinder has the problem of unreliability.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a self-releasing electric jigger, which has the advantages of high reliability and reduced abrasion degree.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from thread off electric jigger, includes mounting bracket, reduction gear and motor, the right side fixedly connected with transmission case of reduction gear, the inner wall of transmission case is provided with the fixed plate, the output shaft of reduction gear runs through the inner wall of fixed plate, the fixed cover in output shaft of reduction gear has No. two gears, the inner wall of fixed plate passes through the bearing and rotates the installation gear shaft, the left and right sides of gear shaft surface is fixed the cover respectively and has been connect swing gear and a gear, a standing groove has been seted up to the downside of fixed plate inner wall, the equal fixedly connected with guide post in both ends around the bearing, the slot has all been seted up to the both sides of a standing groove inner wall, the inner wall of slot is provided with magnet, the surface activity of guide post has cup jointed the compression and has set up the spring between bearing and a standing groove.

As the utility model discloses a preferred technical scheme, the mounting bracket passes through the bolt hole bolt fastening of bottom at the workstation, no. two gears and swing gear are the rotation meshing.

As an optimal technical solution of the present invention, the other end of the guide post is inserted into the slot, and the slot is made of iron.

As a preferred technical scheme of the utility model, the bearing joint sets up the middle part at a standing groove inner wall, the quantity of spring is two and fixed connection is both sides around the bearing respectively.

As an optimal technical scheme of the utility model, the centre of a circle position of guide post and the coincidence of the output shaft centre of a circle position of reduction gear, the guide post is being connected with magnet magnetism after the output shaft axial rotation around the reduction gear 34 ~ 36.

As a preferred technical scheme of the utility model, no. two standing grooves have all been seted up to the transmission case inner wall left and right sides, the inside of No. two standing grooves is controlling in both ends adaptation joint respectively about the gear shaft surface.

As a preferred technical scheme of the utility model, the diameter value of No. two gears is 1 with the diameter value ratio of swing gear: 2.

compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a be provided with the spring and drive the bearing and fix the gear shaft in the bottom of a standing groove inner wall, make a gear utilize the centrifugal force that the high-speed rotation of rotor gear produced to drive the bearing and rotate around the output shaft axial of reduction gear along the inner wall of a standing groove after accomplishing automatic tripping, make the guide post be driven in step and gradually with the magnet contact in order to reach the fixed purpose of magnetism, thereby let a gear after the tripping can maintain at established fixed position, prevent its and high-speed pivoted rotor gear contact, the collision, damage, the reliability is high.

2. The utility model discloses a be provided with the fixed plate and set up a standing groove in the bottom of its inner wall, then set up the inner wall of bearing at a standing groove, utilize the guide post to peg graft in the inside of slot, make the bearing spacing the inside of installing at a standing groove all the time, when the gear shaft is driven to remove along the inside of a standing groove, utilize the bearing to avoid the inner wall direct friction loss of gear shaft and a standing groove, both ends are spacing about through seting up No. two standing grooves at the inner wall of transmission case and make the gear shaft to maintain stable rotating-state.

Drawings

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

FIG. 2 is a front partial sectional view of the overall structure of the present invention;

FIG. 3 is a schematic front bottom perspective view of the overall structure of the present invention;

FIG. 4 is a schematic view of the left internal structure of the transmission case of the present invention;

fig. 5 is a left side cutting schematic view of the fixing plate of the present invention.

In the figure: 1. a mounting frame; 2. a speed reducer; 3. a motor; 4. a transmission case; 41. a gear shaft; 5. a swing gear; 6. a first gear; 7. a second gear; 8. a fixing plate; 9. a first placing groove; 10. a second placing groove; 11. a bearing; 12. a guide post; 13. a spring; 14. a slot; 15. and a magnet.

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.

As shown in fig. 1 to 5, the utility model provides a from tripping electric jigger, including mounting bracket 1, reduction gear 2 and motor 3, the right side fixedly connected with transmission case 4 of reduction gear 2, the inner wall of transmission case 4 is provided with fixed plate 8, the output shaft of reduction gear 2 runs through the inner wall of fixed plate 8, the output shaft of reduction gear 2 is fixed to be cup jointed No. two gears 7, the inner wall of fixed plate 8 is rotated through bearing 11 and is installed gear shaft 41, swing gear 5 and No. one gear 6 are fixed to be cup jointed respectively in the left and right sides of the gear shaft 41 surface, no. one standing groove 9 has been seted up to the downside of fixed plate 8 inner wall, both ends all fixedly connected with guide post 12 around bearing 11, slot 14 has all been seted up to the both sides of No. one standing groove 9 inner wall, the inner wall of slot 14 is provided with magnet 15, the surface activity of guide post 12 has cup jointed the spring 13 of compression setting between bearing 11 and No. one standing groove 9;

when the device works, the motor 3 is started and drives the output shaft of the speed reducer 2 to rotate, the second gear 7 is driven to rotate, and then the swinging gear 5, the first gear 6 and the gear shaft 41 are driven to synchronously rotate; the first gear 6 is meshed with the rotor gear and gradually drives the rotor gear to rotate, and when the rotating speed of the rotor gear is greater than that of the first gear 6, the swing gear 5, the first gear 6 and the gear shaft 41 gradually move and are separated from the meshing with the rotor gear due to the centrifugation generated by the high-speed rotation of the rotor gear, so that the automatic tripping function is realized;

the gear shaft 41 drives the bearing 11 to move along the inner wall of the first placing groove 9, the guide column 12 is driven to move towards the inner part of the slot 14, the spring 13 on the moving side of the bearing 11 is compressed, the other spring 13 is compressed to a reduced degree until the other end of the guide column 12 is in contact with the magnet 15 and is magnetically connected, and at the moment, the gear shaft 41, the swing gear 5 and the first gear 6 keep fixed positions.

The gear shaft 41 is fixed at the bottom of the inner wall of the first accommodating groove 9 by the bearing 11 driven by the spring 13, the first gear 6 is driven by centrifugal force generated by high-speed rotation of the rotor gear after automatic tripping is completed to drive the bearing 11 to rotate around the axial direction of an output shaft of the speed reducer 2 along the inner wall of the first accommodating groove 9, the guide column 12 is driven synchronously and gradually contacts with the magnet 15 to achieve the purpose of magnetic fixation, and therefore the tripped first gear 6 can be maintained at a set fixed position and is prevented from contacting with the high-speed rotating rotor gear, colliding and being damaged, and the reliability is high.

Through being provided with fixed plate 8 and seting up a standing groove 9 in the bottom of its inner wall, then set up bearing 11 at the inner wall of standing groove 9, utilize guide post 12 to peg graft in the inside of slot 14, make bearing 11 spacing installation in the inside of standing groove 9 all the time, when gear shaft 41 is driven and is removed along the inside of standing groove 9, utilize bearing 11 to avoid the inner wall direct friction loss of gear shaft 41 with a standing groove 9, both ends are spacing about through seting up No. two standing grooves 10 at the inner wall of transmission case 4 and make gear shaft 41, thereby maintain stable rotating-state.

The mounting rack 1 is fixed on the workbench through a bolt hole at the bottom, and the second gear 7 is rotatably meshed with the swing gear 5;

the bottom of the mounting rack 1 is provided with a bolt hole, a worker can fix the mounting rack on a workbench through a big bolt, and the speed reducer 2 can drive the swing gear 5 to rotate when driving the second gear 7 to rotate, and finally transmits power to the first gear 6 through the gear shaft 41.

The other end of the guide column 12 is inserted into the slot 14, and the slot 14 is made of iron;

the guide post 12 is fixedly connected with the bearing 11, on one hand, the limit installation state of the bearing 11 on the inner wall of the first placing groove 9 is maintained through being inserted into the inner wall of the slot 14, and meanwhile, the guide post 12 can be magnetically connected with the magnet 15 through a self ironwork, so that the gear shaft 41 can be fixed at a set position.

The bearing 11 is clamped and arranged in the middle of the inner wall of the first placing groove 9, and the number of the springs 13 is two and the springs are respectively fixedly connected to the front side and the rear side of the bearing 11;

the bearing 11 is used for bearing the gear shaft 41 rotating at a high speed, and the spring 13 presses the bearing 11 at the bottom of the inner wall of the first placing groove 9 through resilience force generated by compression, so that the function that the first gear 6 drives the rotating gear to rotate can be realized.

The circle center position of the guide post 12 is superposed with the circle center position of the output shaft of the speed reducer 2, and the guide post 12 is magnetically connected with the magnet 15 after rotating for 34-36 degrees around the axial direction of the output shaft of the speed reducer 2;

the guide post 12 can rotate axially around the output shaft of the speed reducer 2, then one end of the guide post, which is not in contact with the bearing 11, can be inserted into the slot 14, and then the guide post can be magnetically attracted and connected with the magnet 15 after rotating for 34-36 degrees, so that the gear shaft 41, the swing gear 5 and the first gear 6 can be fixed at the fixed position of the bearing 11, the first gear 6 is prevented from being in contact with and colliding with the rotor gear, the damage is avoided, and the reliability of the device is improved.

The left side and the right side of the inner wall of the transmission case 4 are both provided with a second placing groove 10, and the left end and the right end of the outer surface of the gear shaft 41 are respectively in adaptive clamping connection with the inside of the left second placing groove 10 and the right second placing groove 10;

the second standing groove 10 is used for the left end and the right end of the outer surface of the gear shaft 41 to limit and pass through, and the gear shaft 41 does not apply pressure on the inner wall of the second standing groove 10, so that the abrasion degree of the gear shaft 41 is greatly reduced, and the service life of the gear shaft 41 is effectively prolonged.

Wherein, the diameter value ratio of No. two gear 7 and oscillating gear 5 is 1:2;

the rotating speed of the second gear 7 is reduced by half when the swinging gear 5 is driven to rotate, but the torque is doubled, so that the first gear 6 drives the rotor gear to rotate more smoothly.

The utility model discloses a theory of operation and use flow:

the gear shaft 41 drives the bearing 11 to move along the inner wall of the first placing groove 9, the guide column 12 is driven to move towards the inner part of the slot 14, the spring 13 positioned on the moving side of the bearing 11 is compressed, the other spring 13 is reduced in compression degree until the other end of the guide column 12 is in contact with and magnetically connected with the magnet 15, and at the moment, the gear shaft 41, the swing gear 5 and the first gear 6 keep fixed positions.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a from tripping electric jigger, includes mounting bracket (1), reduction gear (2) and motor (3), the right side fixedly connected with transmission case (4) of reduction gear (2), its characterized in that: the inner wall of transmission case (4) is provided with fixed plate (8), the output shaft of reduction gear (2) runs through the inner wall of fixed plate (8), the fixed No. two gear (7) that have cup jointed of output shaft of reduction gear (2), the inner wall of fixed plate (8) passes through bearing (11) and rotates and install gear shaft (41), the left and right sides of gear shaft (41) surface is fixed the cover respectively and is connect swing gear (5) and gear (6), standing groove (9) have been seted up to the downside of fixed plate (8) inner wall, the equal fixedly connected with guide post (12) in both ends around bearing (11), slot (14) have all been seted up to the both sides of standing groove (9) inner wall, the inner wall of slot (14) is provided with magnet (15), the outer surface activity of guide post (12) has cup jointed the compression and has set up spring (13) between bearing (11) and standing groove (9).

2. The self-releasing electric jigger of claim 1, wherein: the mounting bracket (1) is fixed on the workbench through bolt holes in the bottom, and the second gear (7) is meshed with the swing gear (5) in a rotating mode.

3. The self-releasing electric jigger of claim 1, wherein: the other end of the guide column (12) is inserted into the slot (14), and the slot (14) is made of iron.

4. The self-releasing electric jigger of claim 1, wherein: bearing (11) joint sets up the middle part at a standing groove (9) inner wall, the quantity of spring (13) is two and both sides around bearing (11) fixed connection respectively.

5. The self-releasing electric jigger of claim 1, wherein: the circle center position of the guide column (12) is overlapped with the circle center position of an output shaft of the speed reducer (2), and the guide column (12) is magnetically connected with the magnet (15) after rotating for 34-36 degrees around the axial direction of the output shaft of the speed reducer (2).

6. The self-releasing electric jigger of claim 1, wherein: no. two standing grooves (10) have all been seted up to transmission case (4) inner wall left and right sides, both ends adaptation joint is respectively in the inside of controlling two No. two standing grooves (10) about gear shaft (41) surface.

7. The self-releasing electric jigger of claim 1, wherein: the ratio of the diameter value of the second gear (7) to the diameter value of the oscillating gear (5) is 1:2.