CN218063147U

CN218063147U - Electromagnetic clutch for water lift gate

Info

Publication number: CN218063147U
Application number: CN202222039235.4U
Authority: CN
Inventors: 薛志明; 岳超
Original assignee: Tianjin Lingjie Trans Tech Co ltd
Current assignee: Tianjin Lingjie Trans Tech Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-16
Anticipated expiration: 2032-08-02

Abstract

The utility model is suitable for an electromagnetic clutch technical field provides water lift floodgate electromagnetic clutch, slide the gate of pegging graft in the frame including the frame and along frame direction of height, the top of frame is connected with through the bearing rotation and is vertical axial and can drive the loose axle that the gate goes up and down when it rotates, be provided with directly over the loose axle rather than the transmission shaft that is located same the central axis, friction disc and electromagnetism piece on the bottom fixedly connected with of transmission shaft, the fixed cup joint has the top to be open-ended column type box on the loose axle. The utility model discloses a cover of cylindrical shell to last friction disc and lower friction disc avoids external rainwater to fall into on supreme friction disc or the lower friction disc, when the circular telegram of electromagnetism piece made down the friction disc rise with last friction disc produce the friction, produced heat can pile up in cylindrical shell and through the opening of cylindrical shell bottom to external discharge, reaches radiating effect.

Description

Electromagnetic clutch for water lift gate

Technical Field

The utility model belongs to the technical field of electromagnetic clutch, especially, relate to water lift gate electromagnetic clutch.

Background

Electromagnetic clutches are also known as electromagnetic couplings. The electromagnetic mechanical connector is an automatic executing electric appliance, and is an electromagnetic mechanical connector which uses an electromagnetic induction principle and friction force between an inner friction plate and an outer friction plate to enable two components in a mechanical transmission system to rotate, and a driven component can be combined with or separated from the driving component under the condition that the driving component does not stop rotating. The electromagnetic clutch can be used for controlling the starting, reversing, speed regulating, braking and the like of machinery. It has simple structure, fast action, small control energy and convenient remote control; the volume is small, and larger torque can be transmitted.

At present, the electromagnetic clutch is also used for starting/braking when being built on a water gate on a river channel and a channel, most of the water gates are built outdoors, the electromagnetic clutch with a closed shell is mostly used for avoiding rainwater entering the interior of the electromagnetic clutch, but the temperature of a friction plate of the electromagnetic clutch is normally 40 ℃, the working temperature during the limit heat balance can not exceed 100 ℃, otherwise, the service lives of the friction plate and the electromagnetic clutch can be influenced, and the temperature of the inner friction plate of the electromagnetic clutch is easily beyond a stable range after the friction heat generation is carried out when the sun irradiates on the surface of the clutch due to the interior sealing of the electromagnetic clutch, so that the water gate electromagnetic clutch is designed to solve the problem necessarily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water lift floodgate electromagnetic clutch aims at solving the problem of proposing among the above-mentioned background art.

The utility model discloses a realize like this, carry sluice electromagnetic clutch, including the frame with along the gate of frame direction of height slip grafting in the frame, the top of frame is connected with through the bearing rotation and is vertical axial and can drive the loose axle that the gate goes up and down when it rotates, be provided with directly over the loose axle rather than being located the transmission shaft of same the central axis, friction disc and electromagnetic block on the bottom fixedly connected with of transmission shaft, fixed cup joint has the top to be open-ended cylindrical box on the loose axle, the block slides and has cup jointed the lower friction disc that is located cylindrical box and lies in under the friction disc and can be rebound when the circular telegram of electromagnetic block on the cylindrical box, fixed cup joint has the bottom to be open-ended cylindrical shell on the transmission shaft, just go up the friction disc and all be located cylindrical shell with lower friction disc.

Preferably, the top of frame is connected with through the bearing rotation and is vertical axial threaded sleeve, be connected with the threaded rod through the screw thread interlude in the threaded sleeve, the bottom of threaded rod runs through the frame top, just gate fixed connection is in the bottom of threaded rod, the fixed driven spur gear that has cup jointed of threaded sleeve's periphery side, the fixed initiative spur gear that has cup jointed mutually with driven spur gear on the loose axle, the rotation that initiative spur gear can follow the loose axle rotates to the cooperation through tooth drives driven spur gear and rotates, and driven spur gear then can drive the threaded sleeve and rotate, makes the threaded rod go up and down in the threaded sleeve through the cooperation of screw thread, and drives the gate and goes up and down in the frame and realize the effect of opening/closing.

Preferably, the top fixedly connected with of frame is the support of vertical direction, fixed mounting has output shaft motor down on the support, the top fixed connection of transmission shaft is terminal at the output shaft of motor, can realize driving transmission shaft pivoted purpose when the output shaft of motor rotates.

Preferably, the fixed cover in circumferential surface of lower friction disc has connect the piece of inhaling of being the loop configuration, the fixed cover of electromagnetism piece is located the piece of inhaling directly over the piece at the circumferential surface of last friction disc, and after the circular telegram of electromagnetism piece and production magnetism, it can upwards attract lower friction disc through magnetic force.

Preferably, the spout has all been seted up along its direction of height to the both sides of columnar case, the fixed plate that two bilateral symmetry of the equal fixedly connected with in circumference surface of piece and run through the spout is inhaled to magnetism, two bilateral symmetry of top fixedly connected with of columnar case and be located the extension board directly over the corresponding fixed plate respectively, every equal fixedly connected with spring between extension board and the corresponding fixed plate can promote the fixed plate downwards through the spring force effect of spring to can be timely when the outage with the friction disc promote downwards make its and last friction disc phase separation down.

Preferably, the jack has been seted up in the center department of lower friction disc, just two bilateral symmetry's spacing grooves have been seted up to the inner wall of jack, and the circumference surface top of loose axle is formed with two bilateral symmetry and pegs graft respectively at the stopper that corresponds the spacing inslot to make lower friction disc only can slide and can't rotate on the loose axle along the axial of loose axle, make it can drive the loose axle and rotate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cover of cylindrical shell to last friction disc and lower friction disc avoids external rainwater to fall into on supreme friction disc or the lower friction disc, and goes up the friction disc and do not have in a confined space with lower friction disc, when the circular telegram of electromagnetism piece made down the friction disc rise with last friction disc produce the friction, produced heat can pile up in cylindrical shell and through the opening of cylindrical shell bottom to external discharge, reach radiating effect, avoid appearing friction disc and lower friction disc high temperature and influence life's problem.

2. The utility model discloses a setting at the threaded rod, the rotation that the loose axle can be followed to the initiative spur gear is rotatory to cooperation through the tooth drives driven spur gear and rotates, and driven spur gear then can drive the screw sleeve and rotate, makes the threaded rod can go up and down in the screw sleeve through the cooperation of screw thread, and drives the gate and goes up and down the effect that realizes opening/closing in the frame.

3. The utility model discloses a setting of spring to can be timely when the outage of electromagnetism piece promote down the friction disc make its and last friction disc phase separation, reach the effect of braking.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along the direction A-A of the present invention;

FIG. 4 is a schematic view of the internal structure of the cylindrical shell of the present invention;

fig. 5 is an exploded view of the local structure of the present invention;

in the figure: 1. a frame; 2. a threaded sleeve; 3. a threaded rod; 4. a gate; 5. a movable shaft; 51. a columnar box; 52. a limiting block; 6. a drive shaft; 7. an upper friction plate; 8. an electromagnetic block; 9. a lower friction plate; 10. a cylindrical shell; 11. a driven spur gear; 12. a driving spur gear; 13. a magnetic block; 14. a fixing plate; 15. a spring; 16. a support plate; 17. a support; 18. an electric motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a water lift gate electromagnetic clutch: comprises a frame 1 and a gate 4 which is inserted in the frame 1 in a sliding way along the height direction of the frame 1, the top of the frame 1 is rotationally connected with a movable shaft 5 which is vertical and axial and can drive the gate 4 to lift when the movable shaft 5 rotates through a bearing, a transmission shaft 6 which is positioned on the same central axis with the movable shaft 5 is arranged right above the movable shaft 5, the bottom of the transmission shaft 6 is fixedly connected with an upper friction plate 7 and an electromagnetic block 8, the movable shaft 5 is fixedly sleeved with a column-shaped box 51 with an opening at the top, the column-shaped box 51 is clamped, slidably sleeved with a lower friction plate 9 which is positioned in the column-shaped box 51, is positioned right below the upper friction plate 7 and can move upwards when the electromagnetic block 8 is electrified, the transmission shaft 6 is fixedly sleeved with a column-shaped shell 10 with an opening at the bottom, and the upper friction plate 7 and the lower friction plate 9 are both positioned in the cylindrical shell 10, thus, the cylindrical shell 10 can cover the upper friction plate 7 and the lower friction plate 9, external rainwater is prevented from falling onto the upper friction plate 7 or the lower friction plate 9, the upper friction plate 7 and the lower friction plate 9 are not in a closed space, when the electromagnetic block 8 is electrified to enable the lower friction plate 9 to ascend to generate friction with the upper friction plate 7, the generated heat can be accumulated in the cylindrical shell 10 and is discharged to the outside through an opening in the bottom of the cylindrical shell 10, the heat dissipation effect is achieved, and the problem that the service life is influenced due to the fact that the upper friction plate 7 and the lower friction plate 9 are too high in temperature is avoided.

When the electromagnetic block 8 is powered on to enable the lower friction plate 9 and the upper friction plate 7 to be in close contact, the transmission shaft 6 can drive the movable shaft 5 to rotate, and a concrete mode that the gate 4 can be lifted and lowered when the movable shaft 5 rotates is shown in fig. 1 and fig. 4, the top of the frame 1 is rotatably connected with the threaded sleeve 2 in the vertical axial direction through a bearing, the threaded rod 3 is penetratingly connected into the threaded sleeve 2 through threads, the bottom of the threaded rod 3 penetrates through the top of the frame 1, the gate 4 is fixedly connected to the bottom of the threaded rod 3, the outer peripheral side of the threaded sleeve 2 is fixedly sleeved with the driven spur gear 11, the movable shaft 5 is fixedly sleeved with the driving spur gear 12 meshed with the driven spur gear 11, the driving spur gear 12 can rotate along with the rotation of the movable shaft 5 and drive the driven spur gear 11 to rotate through the matching of the teeth, and the driven spur gear 11 can drive the threaded sleeve 2 to rotate, so that the threaded rod 3 can be lifted and lowered in the threaded sleeve 2 through the matching of the threads, and the gate 4 is driven to be lifted and lowered in the frame 1 to achieve an opening and closing effect.

In order to enable the transmission shaft 6 to rotate, in some embodiments, it is provided that a bracket 17 in a vertical direction is fixedly connected to the top of the frame 1, a motor 18 with an output shaft facing downward is fixedly installed on the bracket 17, the top of the transmission shaft 6 is fixedly connected to the tail end of the output shaft of the motor 18, and when the output shaft of the motor 18 rotates, the purpose of driving the transmission shaft 6 to rotate can be achieved.

In order to enable the lower friction plate 9 to be lifted upwards to contact the upper friction plate 7 when the electromagnetic block 8 is energized, please refer to fig. 3, a magnetic attraction block 13 in an annular structure is fixedly sleeved on the circumferential surface of the lower friction plate 9, and the electromagnetic block 8 is fixedly sleeved on the circumferential surface of the upper friction plate 7 and is located right above the magnetic attraction block 13, so that, when the electromagnetic block 8 is energized and generates magnetism, the electromagnetic block can attract the lower friction plate 9 upwards through magnetic force, and the lower friction plate 9 is in close contact with the upper friction plate 7.

Specifically, the spout has all been seted up along its direction of height in the both sides of columnar box 51, the fixed plate 14 that two bilateral symmetry of the equal fixedly connected with in circumference surface of magnetic attraction piece 13 and run through the spout, two bilateral symmetry of top fixedly connected with of columnar box 51 and lie in respectively and correspond the extension board 16 directly over fixed plate 14, every extension board 16 and correspond equal fixedly connected with spring 15 between the fixed plate 14, can promote fixed plate 14 downwards through spring 15's elastic force, in order can be timely when 8 outage of electromagnetism piece push down friction disc 9 downwards make its and last friction disc 7 phase separation, reach the effect of braking.

As for the concrete mode that lower friction disc 9 block slip cup joints on loose axle 5 as shown in fig. 5, the jack has been seted up to the center department of lower friction disc 9, and the inner wall of jack has seted up two bilateral symmetry's spacing groove, the circumferential surface top of loose axle 5 is formed with two bilateral symmetry and pegs graft respectively at the stopper 52 that corresponds the spacing inslot, so that lower friction disc 9 can only slide and can't rotate on loose axle 5 along the axial of loose axle 5, make it can drive loose axle 5 and rotate, such design can be more reasonable.

In the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Carry water gate electromagnetic clutch, including frame (1) and along gate (4) of frame (1) direction of height slip grafting in frame (1), its characterized in that: the top of frame (1) is connected with through the bearing rotation and is vertical axial and can drive gate (4) when it rotates and carry out loose axle (5) that go up and down, be provided with transmission shaft (6) rather than being located same central axis directly over loose axle (5), friction disc (7) and electromagnetic block (8) are gone up to the bottom fixedly connected with of transmission shaft (6), fixed cover has been gone up in loose axle (5) and has been cup jointed the top and be open-ended columnar order box (51), block slip is cup jointed and is located columnar order box (51) and is located friction disc (7) under and can be when electromagnetic block (8) circular telegram lower friction disc (9) of rebound, it is open-ended columnar order shell (10) to connect fixed cover bottom on transmission shaft (6), just go up friction disc (7) and lower friction disc (9) and all be located columnar order shell (10).

2. The water lift gate electromagnetic clutch of claim 1, wherein: the top of frame (1) is rotated through the bearing and is connected with and is vertical axial threaded sleeve (2), be connected with threaded rod (3) through the screw thread interlude in threaded sleeve (2), the bottom of threaded rod (3) runs through frame (1) top, just gate (4) fixed connection is in the bottom of threaded rod (3), driven straight-teeth gear (11) have been cup jointed to the periphery side of threaded sleeve (2) fixedly, fixed cup joint has initiative straight-teeth gear (12) with driven straight-teeth gear (11) engaged with on loose axle (5).

3. The water lift gate electromagnetic clutch of claim 1, wherein: the top fixedly connected with of frame (1) is support (17) of vertical direction, fixed mounting has motor (18) of output shaft down on support (17), the top fixed connection of transmission shaft (6) is terminal at the output shaft of motor (18).

4. The water lift gate electromagnetic clutch of claim 1, wherein: the circumferential surface of lower friction disc (9) is fixed to be cup jointed and is magnetic block (13) of loop configuration, electromagnetic block (8) is fixed to be cup jointed at the circumferential surface of last friction disc (7) and is located directly over magnetic block (13).

5. The water lift gate electromagnetic clutch of claim 4, wherein: the two sides of the column-shaped box (51) are provided with sliding grooves along the height direction, the circumferential surface of the magnetic block (13) is fixedly connected with two fixing plates (14) which are symmetrical left and right and penetrate through the sliding grooves, the top of the columnar box (51) is fixedly connected with two support plates (16) which are bilaterally symmetrical and are respectively positioned right above the corresponding fixing plate (14), and a spring (15) is fixedly connected between each support plate (16) and the corresponding fixing plate (14).

6. The water lift gate electromagnetic clutch of claim 1, wherein: the center of the lower friction plate (9) is provided with an insertion hole, the inner wall of the insertion hole is provided with two bilaterally symmetrical limiting grooves, and the top of the circumferential surface of the movable shaft (5) is provided with two bilaterally symmetrical limiting blocks (52) which are respectively inserted into the corresponding limiting grooves.