Brake component for elevator speed limiter

Abstract

The utility model discloses a brake component for an elevator speed limiter, and relates to the technical field of elevator speed limiters. The brake device comprises a transmission rod, a brake mechanism is arranged on the outer surface of the transmission rod, the brake mechanism is used for braking and decelerating the elevator, a traction wheel is arranged on the outer surface of the transmission rod, fixing mechanisms matched with the transmission rod are arranged on the two sides of the traction wheel, and the fixing mechanisms are used for fixing the traction wheel and the transmission rod. The brake mechanism comprises a rotating frame, two brake plates are rotatably arranged at the upper end of the rotating frame, an air cylinder is fixedly arranged at the upper end of one brake plate, and a brake rod is jointly arranged in the two brake plates. Therefore, the brake component for the elevator speed limiter can effectively brake and limit the speed of an elevator, and through the fixing mechanism, the transmission shaft on the brake component for the elevator speed limiter can be stably fixed to the transmission wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator speed governors, in particular to a braking component for an elevator speed governor. Background Art

[0002] The elevator brake is an important safety device for the elevator. Its safety and reliability are one of the important factors to ensure the safe operation of the elevator.

[0003] However, the prior art still has the following problems:

[0004] Firstly, when the brake components for elevator speed limiters in the prior art assist the operation of the elevator, most of the brake components for elevator speed limiters cannot effectively brake and limit the speed of the elevator, which makes the brake components for elevator speed limiters prone to danger when in use.

[0005] Secondly, when the brake components for elevator speed limiters in the prior art assist the operation of the elevator, the transmission shafts on most of the brake components for elevator speed limiters cannot be stably fixed to the transmission wheel, which causes the transmission wheel to easily become loose when rotating.

[0006] In view of the above problems, the inventor proposes a brake component for an elevator speed governor to solve the above problems. Utility Model Content

[0007] In order to solve the problems that most brake components for elevator speed limiters cannot effectively brake and limit the speed of the elevator and the transmission shafts on most brake components for elevator speed limiters cannot be stably fixed to the transmission wheel; the purpose of the utility model is to provide a brake component for an elevator speed limiter.

[0008] To solve the above technical problems, the utility model adopts the following technical solutions: a braking component for an elevator speed limiter, comprising a transmission rod, a braking mechanism is provided on the outer surface of the transmission rod, the braking mechanism is used to brake and slow down the elevator, a traction wheel is provided on the outer surface of the transmission rod, and fixing mechanisms used in conjunction with the transmission rod are provided on both sides of the traction wheel, the fixing mechanisms are used to fix the traction wheel and the transmission rod, the braking mechanism comprises a rotating frame, two brake plates are rotatably provided on the upper end of the rotating frame, a cylinder is fixedly provided on the upper end of one of the brake plates, a brake rod is commonly provided inside the two brake plates, limit plates are fixedly provided at both ends of the brake rod, a spring is sleeved on the outer surface of the brake rod, and a brake wheel is commonly provided inside the two brake plates.

[0009] Preferably, the fixing mechanism includes two fixed menisci, three support plates are fixedly provided on the upper ends of the two fixed menisci, a supporting meniscus is commonly fixedly provided on one side of each of the three support plates, and a plurality of fixing bolts are provided on one side of the two fixed menisci and the outer surfaces of the two supporting menisci.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model uses a braking mechanism, when the brake component of the elevator speed limiter is operating in the auxiliary elevator, it can stably brake and limit the speed of the elevator, so that the brake component of the elevator speed limiter can effectively brake and limit the speed of the elevator;

[0012] 2. The utility model uses a fixing mechanism to effectively fix the transmission shaft and the transmission wheel when the brake component for the elevator speed limiter is operating in the auxiliary elevator, so that the transmission shaft on the brake component for the elevator speed limiter can be stably fixed to the transmission wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the brake mechanism structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the fixing mechanism structure of the utility model.

[0017] In the figure: 1. transmission rod; 2. braking mechanism; 3. fixing mechanism; 4. traction wheel; 20. rotating frame; 21. brake plate; 22. spring; 23. brake groove; 24. cylinder; 25. brake rod; 26. brake slot; 27. limit plate; 28. friction wheel; 29. ​​brake wheel; 30. fixed meniscus; 31. support plate; 32. supporting meniscus; 33. manual maintenance groove; 34. fixing screw groove; 35. supporting screw groove; 36. fixing bolt; 37. supporting hole; 38. fixing hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-3 As shown, the utility model provides a brake component for an elevator speed limiter, including a transmission rod 1, a brake mechanism 2 is provided on the outer surface of the transmission rod 1, a traction wheel 4 is provided on the outer surface of the transmission rod 1, and both sides of the traction wheel 4 are provided with a fixing mechanism 3 used in conjunction with the transmission rod 1, the brake mechanism 2 includes a rotating frame 20, and two brake plates 21 are rotatably provided on the upper end of the rotating frame 20, and a cylinder 24 is fixed on the upper end of one of the brake plates 21, and a brake rod 25 is commonly provided inside the two brake plates 21, and both ends of the brake rod 25 are fixed with a limit plate 27, and the brake rod 25 is fixed with a limit plate 27. A spring 22 is sleeved on the outer surface of the moving rod 25, and a brake wheel 29 is commonly provided inside the two brake plates 21. Through the brake mechanism 2, when an abnormality of the elevator is detected, the output end of the cylinder 24 will contract, so that the output end will be disengaged from the brake slot 26, so that through the spring 22 on the brake rod 25, the brake rod 25 can be limited by the limit plate 27, and the two brake plates 21 can be pushed to rotate and clamp at the upper end of the rotating frame 20, so that the brake plates 21 can clamp the brake wheel 29 to slow down, thereby achieving the purpose that the brake component of the elevator speed limiter can effectively brake and limit the speed of the elevator.

[0020] A brake slot 26 is provided on one side of one of the brake plates 21 for use with the output end of the cylinder 24, and a friction wheel 28 is fixedly sleeved on the outer surface of the brake wheel 29. A brake slot 23 is provided on one side of both brake plates 21, and the inner surfaces of the two brake slots 23 are slidably fitted with the outer surface of the brake rod 25. The output end of the cylinder 24 can be limited internally through the brake slot 26, and the brake wheel 29 can increase the friction force during braking clamping through the friction wheel 28 to improve the deceleration effect, and the brake rod 25 can be slidably limited in the brake slot 23 through the brake slot 23.

[0021] The fixing mechanism 3 includes two fixed menisci 30, and three supporting plates 31 are fixedly provided at the upper ends of the two fixed menisci 30, and a supporting meniscus 32 is fixedly provided on one side of each of the three supporting plates 31. A plurality of fixing bolts 36 are provided on one side of the two fixed menisci 30 and the outer surfaces of the two supporting menisci 32. Through the fixing mechanism 3, the fixed menisci 30 is placed on the outer surface of the transmission rod 1 and fits against one side of the traction wheel 4. The fixing bolts 36 are passed through the fixing holes 38 on the fixed menisci 30 and the supporting holes 37 on the supporting menisci 32, and then screwed into the fixing screw grooves 34 and the supporting screw grooves 35 for fixing. The fixed menisci 30 and the supporting menisci 32 are fixed by the supporting plates 31, so as to achieve the purpose that the transmission shaft on the brake component for the elevator speed limiter can be stably fixed to the transmission wheel.

[0022] One side of the four fixed menisci 30 is provided with a plurality of fixing holes 38 for use with fixing bolts 36, both sides of the traction wheel 4 are provided with a plurality of fixing screw grooves 34 for use with fixing bolts 36, one side of the four supporting menisci 32 is provided with a plurality of supporting holes 37 for use with fixing bolts 36, the outer surface of the transmission rod 1 is provided with a plurality of supporting screw grooves 35 for use with fixing bolts 36, one end of the transmission rod 1 is provided with a manual maintenance groove 33, the fixing bolts 36 pass through the fixing holes 38 on the fixed menisci 30 and the supporting holes 37 on the supporting menisci 32, and then are screwed into the fixing screw grooves 34 and the supporting screw grooves 35 for fixation, and the manual maintenance groove 33 can be used for rotation maintenance during power outages.

[0023] Working principle: through the brake mechanism 2, when an abnormality of the elevator is detected, the output end of the cylinder 24 will shrink, so that the output end will be out of the brake slot 26, so that through the spring 22 on the brake rod 25, the brake rod 25 can be limited by the limit plate 27, and the two brake plates 21 can be pushed to rotate and clamp at the upper end of the rotating frame 20, so that the brake plates 21 can clamp the brake wheel 29 to slow down, so that the brake components of the elevator speed limiter can effectively brake and limit the speed of the elevator;

[0024] The output end of the cylinder 24 can be internally limited through the brake clamping groove 26, the brake wheel 29 can increase the friction force during braking and clamping through the friction wheel 28 to improve the deceleration effect, and the brake rod 25 can slide and limit in the brake groove 23 through the brake groove 23;

[0025] Through the fixing mechanism 3, the fixed meniscus 30 is placed on the outer surface of the transmission rod 1 and is attached to one side of the traction wheel 4. The fixing bolt 36 is passed through the fixing hole 38 on the fixed meniscus 30 and the supporting hole 37 on the supporting meniscus 32, and then screwed into the fixing screw groove 34 and the supporting screw groove 35 for fixing. The fixed meniscus 30 and the supporting meniscus 32 are fixed by the supporting plate 31, so that the transmission shaft on the brake component for the elevator speed limiter can be stably fixed to the transmission wheel.

[0026] The fixing bolt 36 passes through the fixing hole 38 on the fixing meniscus 30 and the supporting hole 37 on the supporting meniscus 32, and is then screwed into the fixing screw groove 34 and the supporting screw groove 35 for fixing. The manual maintenance groove 33 can be used for rotation maintenance during power outage.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A brake component for an elevator speed governor, comprising a transmission rod (1), characterized in that: The outer surface of the transmission rod (1) is provided with a braking mechanism (2), the outer surface of the transmission rod (1) is provided with a traction wheel (4), and both sides of the traction wheel (4) are provided with fixing mechanisms (3) used in conjunction with the transmission rod (1); The braking mechanism (2) comprises a rotating frame (20), the upper end of which is rotatably provided with two braking plates (21), the upper end of one of the braking plates (21) being fixedly provided with a cylinder (24), a braking rod (25) being commonly provided inside the two braking plates (21), limiting plates (27) being fixedly provided at both ends of the braking rod (25), a spring (22) being sleeved on the outer surface of the braking rod (25), and a braking wheel (29) being commonly provided inside the two braking plates (21).

2. A brake component for an elevator speed governor according to claim 1, characterized in that: The fixing mechanism (3) comprises two fixed menisci (30), three support plates (31) are fixedly provided at the upper ends of the two fixed menisci (30), a support meniscus (32) is commonly fixedly provided on one side of each of the three support plates (31), and a plurality of fixing bolts (36) are provided on one side of the two fixed menisci (30) and on the outer surfaces of the two support menisci (32).

3. A brake component for an elevator speed governor according to claim 1, characterized in that: One side of one of the brake plates (21) is provided with a brake slot (26) for use in conjunction with the output end of the cylinder (24).

4. A brake component for an elevator speed governor according to claim 1, characterized in that: The outer surface of the brake wheel (29) is fixedly sleeved with a friction wheel (28).

5. A brake component for an elevator speed governor according to claim 1, characterized in that: A braking groove (23) is provided on one side of the two braking plates (21), and the inner surfaces of the two braking grooves (23) are slidably fitted with the outer surface of the braking rod (25).

6. A brake component for an elevator speed governor as claimed in claim 2, characterized in that: A plurality of fixing holes (38) for use with fixing bolts (36) are provided on one side of the four fixing menisci (30), and a plurality of fixing screw grooves (34) for use with fixing bolts (36) are provided on both sides of the traction wheel (4).

7. A brake component for an elevator speed governor as claimed in claim 2, characterized in that: A plurality of support holes (37) for use with fixing bolts (36) are provided on one side of the four supporting menisci (32), and a plurality of support screw grooves (35) for use with fixing bolts (36) are provided on the outer surface of the transmission rod (1).

8. A brake component for an elevator speed governor according to claim 1, characterized in that: One end of the transmission rod (1) is provided with a manual maintenance groove (33).

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