CN219774655U - Braking device for inhibiting reverse rotation of fan during shutdown - Google Patents
Braking device for inhibiting reverse rotation of fan during shutdown Download PDFInfo
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- CN219774655U CN219774655U CN202321074318.5U CN202321074318U CN219774655U CN 219774655 U CN219774655 U CN 219774655U CN 202321074318 U CN202321074318 U CN 202321074318U CN 219774655 U CN219774655 U CN 219774655U
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- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
A braking device for inhibiting reverse rotation when a fan is stopped, wherein a fork connecting rod, a switching connecting rod, a hanging bolt, a braking component and an adjusting cone are arranged in a machine base; one side of the machine base is connected with a driving mechanism; one end of the fork connecting rod is provided with an adjusting matching part, the adjusting matching part contacts with the adjusting cone, the other end of the fork connecting rod is connected with one end of the switching connecting rod, the other end of the switching connecting rod is connected with one end of the hanging bolt, and the middle part of the hanging bolt is hinged with the braking component through a first pin shaft; the other end of the hanging bolt is connected with the base through a second pin shaft; the driving mechanism is connected with the adjusting cone and drives the adjusting cone to move left and right; the adjusting cone moves rightwards, so that the adjusting matching part drives the braking component to brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence; the adjusting cone moves leftwards, so that the adjusting matching part drives the brake assembly to release brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence. The utility model effectively inhibits the reverse rotation of the fan when the fan is stopped, and reduces the energy consumption and the non-working abrasion.
Description
Technical Field
The utility model relates to a braking device, in particular to a braking device for inhibiting reverse rotation of a fan during shutdown.
Background
A brake is a device that has a function of decelerating, stopping, or maintaining a stopped state of a rotating moving member or a moving machine, and is also called a brake or a brake. The unidirectional rotation automatic control brake is used for improving the energy saving and consumption reduction effects of the air supply and exhaust units of the thermal power plant, changing the safe production conditions of the automatic control brake and also being widely used in other occasions with similar working conditions.
When the unit of the power station boiler air supply and induction system alternately operates, the unidirectional rotation automatic control brake can generate reverse rotation to cause energy consumption and non-working abrasion of the unit, so that it is necessary to develop a braking device capable of effectively inhibiting the reverse rotation when the fan is stopped.
Disclosure of Invention
The utility model aims to provide a braking device for inhibiting reverse rotation of a fan when the fan is stopped, and solves the problems of energy consumption and non-working abrasion of a unit caused by reverse rotation of the unit which stops working.
The technical scheme for solving the technical problems is as follows: the braking device for inhibiting the reverse rotation of the fan during stopping comprises a machine base, wherein a fork connecting rod, a switching connecting rod, a hanging bolt, a braking component and an adjusting cone are arranged in the machine base; one side of the machine base is connected with a driving mechanism;
one end of the fork connecting rod is provided with an adjusting matching part, the adjusting matching part contacts the adjusting cone, the other end of the fork connecting rod is connected with one end of the switching connecting rod, the other end of the switching connecting rod is connected with one end of the hanging bolt, and the middle part of the hanging bolt is hinged with the brake component through a first pin shaft; the other end of the hanging bolt is connected with the base through a second pin shaft;
the driving mechanism is connected with the adjusting cone and drives the adjusting cone to move left and right;
the adjusting cone moves rightwards, so that the adjusting matching part drives the braking component to brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence;
the adjusting cone moves leftwards, so that the adjusting matching part drives the brake assembly to release brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the shutdown, the driving mechanism comprises a driving screw rod, a driving motor and a speed reducer;
the driving motor is connected with the speed reducer, and a power output shaft of the speed reducer is connected with the driving screw rod; the driving mechanism drives the adjusting cone to move left and right through the driving screw rod;
the driving motor and the speed reducer are fixed on the outer side of the base through the mounting seat.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the shutdown, the driving screw rod penetrates through the machine base and stretches into the machine base, the driving screw rod penetrates through the center of the adjusting cone, and the driving screw rod is in threaded contact with the adjusting cone.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the shutdown, one end of the driving screw rod positioned in the machine base is connected with a limit bearing, and the limit bearing is fixed in the machine base through a bearing seat.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the shutdown, the driving mechanism comprises an adjusting screw rod, an adjusting sleeve, a sliding shaft, a connecting rod, a pull rod, a rack body, a rack seat, an adjusting spring and a spring seat;
one end of the adjusting screw is connected with the adjusting cone through a lock nut, the other end of the adjusting screw is connected with one end of the adjusting sleeve through a lock nut, one end of the sliding shaft is connected with the other end of the adjusting sleeve, the other end of the sliding shaft is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the side part of the pull rod; the bottom of pull rod with the interlock of rack body, the rack body is connected the upper end of rack seat, the rack seat is connected the lateral part of frame, the lower extreme of rack seat passes through adjusting spring connects the spring holder, the lateral part fixed connection of spring holder the frame.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan when the fan is stopped, the braking component comprises a tile, a pressing plate and a friction plate; the tile block is hinged with the hanging bolt through the first pin shaft; the lower end of the pressing plate is connected with the friction plate through a bolt.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the stop, the fork connecting rod, the switching connecting rod, the hanging bolt and the braking component are all provided with two groups, and the two groups of fork connecting rods, the switching connecting rod, the hanging bolt and the braking component are symmetrically distributed on the upper side and the lower side of the adjusting cone;
and a braking space for accommodating a braking object is formed between the two groups of braking components.
As a preferable scheme of the braking device for inhibiting the reverse rotation of the fan during the shutdown, the upper end of the machine base is connected with a hanging ring.
The utility model is provided with a stand, wherein a fork connecting rod, a switching connecting rod, a hanging bolt, a braking component and an adjusting cone are arranged in the stand; one side of the machine base is connected with a driving mechanism; one end of the fork connecting rod is provided with an adjusting matching part, the adjusting matching part contacts with the adjusting cone, the other end of the fork connecting rod is connected with one end of the switching connecting rod, the other end of the switching connecting rod is connected with one end of the hanging bolt, and the middle part of the hanging bolt is hinged with the braking component through a first pin shaft; the other end of the hanging bolt is connected with the base through a second pin shaft; the driving mechanism is connected with the adjusting cone and drives the adjusting cone to move left and right; the adjusting cone moves rightwards, so that the adjusting matching part drives the braking component to brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence; the adjusting cone moves leftwards, so that the adjusting matching part drives the brake assembly to release brake through the fork connecting rod, the switching connecting rod and the hanging bolt in sequence. The utility model is used for the coupling part of the fan and the motor, can effectively inhibit the reverse rotation of the fan when the fan is stopped, does not need to change the original unit, is convenient to install, use and maintain, is reliable to use, and reduces the energy consumption and the non-working abrasion phenomenon of the unit.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.
FIG. 1 is a schematic structural diagram of a braking device for inhibiting reverse rotation of a fan during shutdown according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another braking device for inhibiting reverse rotation when a fan is stopped according to an embodiment of the present utility model.
In the figure, 1, a stand; 2. a fork link; 3. a connecting rod is connected; 4. hanging bolts; 5. a brake assembly; 6. adjusting the cone; 7. a driving mechanism; 8. an adjustment fitting; 9. a first pin; 10. a second pin; 11. driving a screw rod; 12. a driving motor; 13. a speed reducer; 14. a limit bearing; 15. a bearing seat; 16. adjusting a screw; 17. adjusting the sleeve; 18. a slide shaft; 19. a connecting rod; 20. a pull rod; 21. a rack body; 22. a rack seat; 23. an adjusting spring; 24. a spring seat; 25. a tile; 26. a pressing plate; 27. a friction plate; 28. and (5) hanging rings.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a braking device for inhibiting reverse rotation when a fan is stopped, which comprises a machine base 1, wherein a fork connecting rod 2, a switching connecting rod 3, a hanging bolt 4, a braking component 5 and an adjusting cone 6 are arranged in the machine base 1; one side of the machine base 1 is connected with a driving mechanism 7;
wherein, one end of the fork connecting rod 2 is provided with an adjusting matching part 8, the adjusting matching part 8 contacts with the adjusting cone 6, the other end of the fork connecting rod 2 is connected with one end of the switching connecting rod 3, the other end of the switching connecting rod 3 is connected with one end of the hanging bolt 4, and the middle part of the hanging bolt 4 is hinged with the brake component 5 through a first pin shaft 9; the other end of the hanging bolt 4 is connected with the machine base 1 through a second pin shaft 10;
wherein, the driving mechanism 7 is connected with the adjusting cone 6, and the driving mechanism 7 drives the adjusting cone 6 to move left and right; the adjusting cone 6 moves rightwards, so that the adjusting matching part 8 drives the brake assembly 5 to brake through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 in sequence; the adjusting cone 6 moves leftwards, so that the adjusting matching part 8 drives the brake component 5 to release brake through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 in sequence.
Auxiliary fig. 1, in one embodiment of a braking device for inhibiting reverse rotation when a blower is stopped, the driving mechanism 7 includes a driving screw 11, a driving motor 12, and a speed reducer 13; the driving motor 12 is connected with a speed reducer 13, and a power output shaft of the speed reducer 13 is connected with a driving screw rod 11; the driving mechanism 7 drives the adjusting cone 6 to move left and right through the driving screw rod 11; the driving motor 12 and the speed reducer 13 are fixed on the outer side of the machine base 1 through a mounting seat. The driving screw rod 11 penetrates through the machine base 1 and stretches into the machine base 1, the driving screw rod 11 penetrates through the center of the adjusting cone 6, and the driving screw rod 11 is in threaded contact with the adjusting cone 6; one end of a driving screw rod 11 positioned in the machine base 1 is connected with a limit bearing 14, and the limit bearing 14 is fixed in the machine base 1 through a bearing seat 15.
Wherein the brake assembly 5 comprises a shoe 25, a pressure plate 26 and a friction plate 27; the tile 25 is hinged with the hanging bolt 4 through a first pin shaft 9; the lower end of the pressing plate 26 is connected with a friction plate 27 through a bolt; the fork connecting rod 2, the switching connecting rod 3, the hanging bolt 4 and the brake component 5 are respectively provided with two groups, and the two groups of fork connecting rod 2, the switching connecting rod 3, the hanging bolt 4 and the brake component 5 are symmetrically distributed on the upper side and the lower side of the adjusting cone 6; a braking space accommodating a braking object is formed between the two sets of braking components 5.
Specifically, the driving motor 12 can drive the speed reducer 13 to run, the speed reducer 13 drives the driving screw rod 11 to run, the driving screw rod 11 and the adjusting cone 6 are in threaded contact, the forward and reverse rotation directions of the driving screw rod 11 are controlled, the left and right movement of the adjusting cone 6 can be realized, and the left and right movement of the adjusting cone 6 can drive the adjusting matching part 8 to swing up and down due to the gradual change of the outer diameter of the adjusting cone 6. The adjustment fitting 8 may take the form of a pulley.
Wherein, the driving motor 12 rotates clockwise, the driving screw rod 11 rotates forward, the adjusting cone 6 pushes left to work, the fork connecting rod 2 swings down, the switching connecting rod 3 swings up, the hanging bolt 4 swings down, the braking component 5 leaves the braking object, and the braking component 5 is released through the linkage of the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4; the driving motor 12 rotates anticlockwise, the driving screw rod 11 rotates reversely, the adjusting cone 6 pushes rightwards to work, the fork connecting rod 2 swings upwards, the switching connecting rod 3 swings downwards, the hanging bolt 4 swings upwards, the brake assembly 5 swings downwards, the brake assembly 5 is tightly held by the linkage of the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4, and further the forward and backward movement of the adjusting cone 6 is further realized, and the forward and backward movement is transmitted to the brake assembly 5 through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 to realize the actions of tightly holding and loosening.
Wherein, when the driving screw 11 works, the pressure adjusting cone 6 of the upper and lower link forks does not rotate, but is pushed forward and backward to clamp and unclamp the two friction plates 27. When the adjusting cone 6 moves leftwards to the position of the bearing seat 15, the adjusting cone 6 cannot move leftwards any more due to the limit of the bearing seat 15, and the adjusting cone 6 is released by braking under the action of no external force (or the external force is very small and negligible), and then the adjusting cone 6 rotates along with the driving screw rod 11; when the adjusting cone 6 moves rightwards, the friction plate 27 approaches to clamp to start braking, the friction plate 27 moves rightwards, the braking is tighter, and when the adjusting cone 6 moves rightwards to the base 1 where the driving motor 12 is arranged, the driving motor 12 immediately stops rotating and braking.
The design of the limit bearing 14 can ensure the stability of the operation of the driving screw rod 11, so that the left-right movement stability of the adjusting cone 6 is strong, and the adjustment of the brake assembly 5 is more stable and accurate.
The brake assembly 5 realizes the assembly function of the friction plate 27 through the shoe 25 and the pressing plate 26, and the hanging bolt 4 drives the friction plate 27 through the shoe 25 so as to realize the actions of holding and loosening. Because levers are formed among the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4, the driving motor 12 can tightly hold the larger brake assembly 5 by only needing small power based on the lever principle, and the driving motor 12 has small power and saves energy consumption.
The screw nut between the hanging bolt 4 and the friction plate 27 has the function of positioning and adjusting the friction plate 27 through the screw nut structure.
Referring to fig. 2, in one embodiment of the braking device for inhibiting the reverse rotation at the time of the fan stop, the driving mechanism 7 includes an adjusting screw 16, an adjusting sleeve 17, a slide shaft 18, a connecting rod 19, a tie rod 20, a rack body 21, a rack seat 22, an adjusting spring 23, and a spring seat 24; one end of the adjusting screw 16 is connected with the adjusting cone 6 through a lock nut, the other end of the adjusting screw 16 is connected with one end of the adjusting sleeve 17 through a lock nut, one end of the sliding shaft 18 is connected with the other end of the adjusting sleeve 17, the other end of the sliding shaft 18 is connected with one end of the connecting rod 19, and the other end of the connecting rod 19 is connected with the side part of the pull rod 20; the bottom of the pull rod 20 is meshed with the rack body 21, the rack body 21 is connected to the upper end of the rack seat 22, the rack seat 22 is connected to the side part of the machine base 1, the lower end of the rack seat 22 is connected with the spring seat 24 through the adjusting spring 23, and the side part of the spring seat 24 is fixedly connected with the machine base 1.
Specifically, the driving mechanism 7 adopting the pull rod 20 is a manual control scheme, in the manual control scheme, the left-right motion control of the adjusting cone 6 is realized through the pull rod 20, the connecting rod 19, the sliding shaft 18, the adjusting sleeve 17 and the adjusting screw 16, wherein the braking principle of the braking component 5 is the same as that of the electric scheme. When the adjusting cone 6 moves left and right to the expected position, the bottom of the pull rod 20 is meshed with the rack body 21, and the fixing function of the pull rod 20 is achieved. The rack body 21 can be moved up and down by means of the rack seat 22 and the adjusting spring 23, and does not hinder the operation of the tie rod 20. After the pull rod 20 reaches the expected position, the adjusting spring 23 is released, so that the rack body 21 and the bottom of the pull rod 20 are meshed, the bottom of the pull rod 20 is provided with an inclined gradient, the meshing emphasis is increased, and when the meshing of the rack body 21 and the pull rod 20 needs to be released, the rack seat 22 is pressed down.
In one embodiment of a braking device for inhibiting reverse rotation when the fan is stopped, a hanging ring 28 is connected to the upper end of the stand 1. The design of the hanging ring 28 facilitates the fixed installation of the machine base 1.
In summary, the utility model is provided with a stand 1, wherein a fork connecting rod 2, a switching connecting rod 3, a hanging bolt 4, a brake component 5 and an adjusting cone 6 are arranged in the stand 1; one side of the machine base 1 is connected with a driving mechanism 7; one end of the fork connecting rod 2 is provided with an adjusting and matching part 8, the adjusting and matching part 8 contacts with the adjusting cone 6, the other end of the fork connecting rod 2 is connected with one end of the switching connecting rod 3, the other end of the switching connecting rod 3 is connected with one end of the hanging bolt 4, and the middle part of the hanging bolt 4 is hinged with the brake component 5 through a first pin shaft 9; the other end of the hanging bolt 4 is connected with the machine base 1 through a second pin shaft 10; the driving mechanism 7 is connected with the adjusting cone 6, and the driving mechanism 7 drives the adjusting cone 6 to move left and right; the adjusting cone 6 moves rightwards, so that the adjusting matching part 8 drives the brake assembly 5 to brake through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 in sequence; the adjusting cone 6 moves leftwards, so that the adjusting matching part 8 drives the brake component 5 to release brake through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 in sequence. In the electric scheme, a driving motor 12 rotates clockwise, a driving screw rod 11 rotates positively, an adjusting cone 6 pushes left to work, a fork connecting rod 2 swings downwards, a switching connecting rod 3 swings upwards, a hanging bolt 4 swings downwards, a braking component 5 leaves a braking object, and the braking component 5 is loosened through linkage of the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4; the driving motor 12 rotates anticlockwise, the driving screw rod 11 rotates reversely, the adjusting cone 6 pushes rightwards to work, the fork connecting rod 2 swings upwards, the switching connecting rod 3 swings downwards, the hanging bolt 4 swings upwards, the brake assembly 5 swings downwards, the brake assembly 5 is tightly held by the linkage of the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4, and further the forward and backward movement of the adjusting cone 6 is further realized, and the forward and backward movement is transmitted to the brake assembly 5 through the fork connecting rod 2, the switching connecting rod 3 and the hanging bolt 4 to realize the actions of tightly holding and loosening. When the driving screw 11 is operated, the pressure adjusting cone 6 of the upper fork connecting rod 2 cannot rotate, but can be pushed forward and backward to clamp and unclamp the two friction plates 27. When the adjusting cone 6 moves leftwards to the position of the bearing seat 15, the adjusting cone 6 cannot move leftwards any more due to the limit of the bearing seat 15, and the adjusting cone 6 is released by braking under the action of no external force (or the external force is very small and negligible), and then the adjusting cone 6 rotates along with the driving screw rod 11; when the adjusting cone 6 moves rightwards, the friction plate 27 approaches to clamp to start braking, the friction plate 27 moves rightwards, the braking is tighter, and when the adjusting cone 6 moves rightwards to the base 1 where the driving motor 12 is arranged, the driving motor 12 immediately stops rotating and braking. In the manual control scheme, the left-right movement control of the adjusting cone 6 is realized through the pull rod 20, the connecting rod 19, the sliding shaft 18, the adjusting sleeve 17 and the adjusting screw 16, wherein the braking principle of the braking assembly 5 is the same as that of the electric scheme. When the adjusting cone 6 moves left and right to the expected position, the bottom of the pull rod 20 is meshed with the rack body 21, and the fixing function of the pull rod 20 is achieved. The rack body 21 can be moved up and down by means of the rack seat 22 and the adjusting spring 23, and does not hinder the operation of the tie rod 20. After the pull rod 20 reaches the expected position, the adjusting spring 23 is released, so that the rack body 21 and the bottom of the pull rod 20 are meshed, the bottom of the pull rod 20 is provided with an inclined gradient, the meshing emphasis is increased, and when the meshing of the rack body 21 and the pull rod 20 needs to be released, the rack seat 22 is pressed down. The utility model is used for the coupling part of the fan and the motor, can effectively inhibit the reverse rotation of the fan when the fan is stopped, does not need to change the original unit, is convenient to install, use and maintain, is reliable to use, and reduces the energy consumption and the non-working abrasion phenomenon of the unit.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The braking device for inhibiting reverse rotation of the fan during stopping is characterized by comprising a machine base (1), wherein a fork connecting rod (2), a switching connecting rod (3), a hanging bolt (4), a braking component (5) and an adjusting cone (6) are arranged in the machine base (1); one side of the machine base (1) is connected with a driving mechanism (7);
one end of the fork connecting rod (2) is provided with an adjusting matching part (8), the adjusting matching part (8) contacts the adjusting cone (6), the other end of the fork connecting rod (2) is connected with one end of the switching connecting rod (3), the other end of the switching connecting rod (3) is connected with one end of the hanging bolt (4), and the middle part of the hanging bolt (4) is hinged with the brake component (5) through a first pin shaft (9); the other end of the hanging bolt (4) is connected with the base (1) through a second pin shaft (10);
the driving mechanism (7) is connected with the adjusting cone (6), and the driving mechanism (7) drives the adjusting cone (6) to move left and right;
the adjusting cone (6) moves rightwards, so that the adjusting matching part (8) drives the brake assembly (5) to brake through the fork connecting rod (2), the switching connecting rod (3) and the hanging bolt (4) in sequence;
the adjusting cone (6) moves leftwards, so that the adjusting matching part (8) drives the brake assembly (5) to release brake through the fork connecting rod (2), the switching connecting rod (3) and the hanging bolt (4) in sequence.
2. A braking device for inhibiting the reverse rotation of a fan at the time of stopping according to claim 1, wherein the driving mechanism (7) comprises a driving screw (11), a driving motor (12) and a speed reducer (13);
the driving motor (12) is connected with the speed reducer (13), and a power output shaft of the speed reducer (13) is connected with the driving screw rod (11); the driving mechanism (7) drives the adjusting cone (6) to move left and right through the driving screw rod (11);
the driving motor (12) and the speed reducer (13) are fixed on the outer side of the base (1) through a mounting seat.
3. A braking device for inhibiting the reverse rotation of a fan at standstill according to claim 2, characterized in that said driving screw (11) passes through said housing (1) and extends into the interior of said housing (1), said driving screw (11) passing from the centre of said adjustment cone (6), said driving screw (11) being in threaded contact with said adjustment cone (6).
4. A braking device for inhibiting reverse rotation when a fan is stopped according to claim 3, wherein one end of the driving screw rod (11) positioned in the machine base (1) is connected with a limit bearing (14), and the limit bearing (14) is fixed in the machine base (1) through a bearing seat (15).
5. A braking device for inhibiting the reverse rotation of a fan at the time of stopping according to claim 1, wherein the driving mechanism (7) comprises an adjusting screw (16), an adjusting sleeve (17), a sliding shaft (18), a connecting rod (19), a pull rod (20), a rack body (21), a rack seat (22), an adjusting spring (23) and a spring seat (24);
one end of the adjusting screw (16) is connected with the adjusting cone (6) through a lock nut, the other end of the adjusting screw (16) is connected with one end of the adjusting sleeve (17) through the lock nut, one end of the sliding shaft (18) is connected with the other end of the adjusting sleeve (17), the other end of the sliding shaft (18) is connected with one end of the connecting rod (19), and the other end of the connecting rod (19) is connected with the side part of the pull rod (20); the bottom of pull rod (20) with rack body (21) interlock, rack body (21) are connected the upper end of rack seat (22), rack seat (22) are connected the lateral part of frame (1), the lower extreme of rack seat (22) is passed through adjusting spring (23) is connected spring holder (24), the lateral part fixed connection of spring holder (24) frame (1).
6. A braking device for inhibiting the reverse rotation of a fan at standstill according to claim 1, characterized in that said braking assembly (5) comprises a pad (25), a presser plate (26) and a friction plate (27); the tile block (25) is hinged with the hanging bolt (4) through the first pin shaft (9); the lower end of the pressing plate (26) is connected with the friction plate (27) through a bolt.
7. The braking device for inhibiting reverse rotation when the fan is stopped according to claim 6, wherein two groups of fork connecting rods (2), the transfer connecting rods (3), the hanging bolts (4) and the braking components (5) are respectively arranged, and the two groups of fork connecting rods (2), the transfer connecting rods (3), the hanging bolts (4) and the braking components (5) are symmetrically distributed on the upper side and the lower side of the adjusting cone (6);
a braking space for accommodating a braking object is formed between the two groups of braking components (5).
8. A braking device for inhibiting reverse rotation of a fan as claimed in claim 1, wherein the upper end of the housing (1) is connected with a lifting ring (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074318.5U CN219774655U (en) | 2023-05-07 | 2023-05-07 | Braking device for inhibiting reverse rotation of fan during shutdown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074318.5U CN219774655U (en) | 2023-05-07 | 2023-05-07 | Braking device for inhibiting reverse rotation of fan during shutdown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774655U true CN219774655U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074318.5U Active CN219774655U (en) | 2023-05-07 | 2023-05-07 | Braking device for inhibiting reverse rotation of fan during shutdown |
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| Country | Link |
|---|---|
| CN (1) | CN219774655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108646A (en) * | 2023-10-20 | 2023-11-24 | 杭州华鼎新能源有限公司 | Heliostat rotation braking mechanism |
-
2023
- 2023-05-07 CN CN202321074318.5U patent/CN219774655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108646A (en) * | 2023-10-20 | 2023-11-24 | 杭州华鼎新能源有限公司 | Heliostat rotation braking mechanism |
| CN117108646B (en) * | 2023-10-20 | 2024-01-16 | 杭州华鼎新能源有限公司 | Heliostat rotation braking mechanism |
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