Split type elastic sheet type friction disc

Abstract

The utility model discloses a split type shrapnel type friction disk which comprises a fixing ring, a locking ring and a friction disk, the fixing ring is arranged at the rear end of the locking ring in a split mode, the friction disk is arranged on the fixing ring, and compared with the prior art, the split type shrapnel type friction disk is convenient to machine and simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of brakes, in particular to a split spring - type friction disc. Background Technique

[0002] A brake is a device with functions such as decelerating, stopping, or maintaining a stopped state of a moving part. It is a mechanical part that stops or decelerates a moving part in a machine, commonly known as a brake or a brake.

[0003] A traction machine is the power equipment of an elevator, also known as the elevator main engine. Its function is to transmit and transfer power to make the elevator operate. The brake on the traction machine is usually a device suitable for locking the traction wheel. The brake is composed of a yoke, an exciting coil, a spring, a brake disc, an armature, a spline sleeve, a spline shaft, mounting screws, etc. The brake is installed on the flange of the equipment or the rear end extension of the motor; the transmission shaft is connected to the spline sleeve and the brake disc.

[0004] For a brake and brake disc assembly with the application (patent) number: CN202322246287.3, its fixing screw is sleeved on the upper side wall of the bushing from front to back; a fixing groove is circumferentially opened in the middle of the bushing side wall, and the fixing groove that needs to be radially cut on the bushing is machined, so the processing is inconvenient.

[0005] For an elastic brake disc braking system structure with the application (patent) number: CN202322810413.3, its elastic friction disc includes a slotted hub, a spring piece, a friction piece, and a locking screw. The friction piece is cast on the outer circle of the spring piece, and the locking screw is arranged at a position close to the center of the slotted hub. The friction piece is fixedly connected to the slotted hub through the locking screw. The slotted hub also needs to be radially cut for slotting processing, so the processing is inconvenient. Summary of the Invention

[0006] The purpose of the utility model is to solve the problems in the prior art and propose a split spring - type friction disc, which can be conveniently processed and has a simple structure.

[0007] To achieve the above purpose, the utility model proposes a split spring - type friction disc, which includes a fixing ring, a locking ring, and a friction disc. The fixing ring, which is separately arranged from the locking ring, is provided at the rear end of the locking ring, and the friction disc is provided on the fixing ring.

[0008] Preferably, the locking ring is fixedly connected to the fixing ring through a plurality of fixing screws I.

[0009] Preferably, the front end of the locking ring is provided with a counter - sink corresponding to and cooperating with the nuts of the fixing screws I one by one.

[0010] Preferably, the locking ring is provided with an opening, and a fixing screw II is provided at the opening of the locking ring for adjusting the distance between both ends of the opening.

[0011] Preferably, a tightening screw is provided on the locking ring for tightening the fixing screw II.

[0012] Preferably, the friction disc includes a spring piece and a friction piece provided on the periphery of the spring piece.

[0013] Preferably, a ring-shaped positioning body is provided at the rear end of the fixing ring, a spring piece is sleeved on the ring-shaped positioning body, and the spring piece is fixedly connected to the fixing ring by a plurality of fixing screws III.

[0014] Preferably, key grooves I and II are respectively provided on the inner walls of the fixing ring and the locking ring, and the key groove I and the key groove II are arranged correspondingly.

[0015] The beneficial effects of the present utility model: By providing a fixing ring which is separately arranged from the rear end of the locking ring, the present utility model does not require the traditional radial cutting and grooving processing operation. Compared with the prior art, it is convenient to process and has a simple structure.

[0016] The features and advantages of the present utility model will be described in detail through embodiments in conjunction with the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an exploded structural schematic diagram of a split type spring piece type friction disc of the present utility model;

[0018] Figure 2 is a rear view of a split type spring piece type friction disc of the present utility model.

[0019] In the figure: 1 - fixing ring, 2 - locking ring, 3 - friction disc, 4 - fixing screw I, 5 - sinking groove, 6 - opening, 7 - fixing screw II, 8 - tightening screw, 9 - ring-shaped positioning body, 10 - fixing screw III, 11 - key groove I, 12 - key groove II, 31 - spring piece, 32 - friction piece. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Refer to Figure 1 、 2 , a split type spring piece type friction disc of the present utility model includes a fixing ring 1, a locking ring 2 and a friction disc 3. A fixing ring 1 which is separately arranged from the locking ring 2 is provided at the rear end of the locking ring 2, and a friction disc 3 is provided on the fixing ring 1.

[0021] The locking ring 2 is fixedly connected to the fixing ring 1 by a plurality of fixing screws I 4.

[0022] The front end of the locking ring 2 is provided with a counterbore 5 corresponding to and cooperating with the nuts of the fixing screws I4 one by one.

[0023] The locking ring 2 is provided with an opening 6, and a fixing screw II7 is provided at the opening 6 of the locking ring 2 for adjusting the distance between the two ends of the opening 6.

[0024] The locking ring 2 is provided with a pressing screw 8 for pressing the fixing screw II7.

[0025] The friction disc 3 includes a spring piece 31 and a friction piece 32 provided on the periphery of the spring piece 31.

[0026] The rear end of the fixing ring 1 is provided with an annular positioning body 9, the spring piece 31 is sleeved on the annular positioning body 9, and the spring piece 31 is fixedly connected to the fixing ring 1 through a plurality of fixing screws III10.

[0027] The inner walls of the fixing ring 1 and the locking ring 2 are respectively provided with a keyway I11 and a keyway II12, and the keyway I11 and the keyway II12 are arranged corresponding to each other.

[0028] A certain distance is provided between the opening 6 and the adjacent fixing screw I4.

[0029] The working process of the present utility model:

[0030] In the working process of a split spring piece type friction disc of the present utility model, the fixing ring 1 is fixed on the locking ring 2 through the fixing screws I4, the friction disc 3 is fixed on the fixing ring 1 through the fixing screws III10, and the locking ring 2 is fixed on the main shaft through the fixing screws II7. By providing the fixing ring 1 which is split from the rear end of the locking ring 2, traditional radial cutting and grooving processing operations are not required. Compared with the prior art, it is convenient to process and has a simple structure.

[0031] The above embodiments are descriptions of the present utility model, not limitations on the present utility model. Any scheme obtained by simply changing the present utility model belongs to the protection scope of the present utility model.

Claims

1. A split spring-type friction disc, characterized in that: It comprises a fixing ring (1), a locking ring (2) and a friction disk (3), wherein the fixing ring (1) which is arranged separately from the locking ring (2) is provided at the rear end thereof, and the friction disk (3) is provided on the fixing ring (1).

2. A split spring-type friction disc as claimed in claim 1, characterized in that: The locking ring (2) is fixedly connected to the fixing ring (1) via a plurality of fixing screws I (4).

3. A split spring-type friction disc as claimed in claim 2, characterized in that: The front end of the locking ring (2) is provided with a recessed groove (5) which corresponds to and cooperates with the nut of the fixing screw I (4).

4. A split spring-type friction disc as claimed in claim 2, characterized in that: The locking ring (2) is provided with an opening (6), and the opening (6) of the locking ring (2) is provided with a fixing screw II (7) for adjusting the distance between the two ends of the opening (6).

5. A split spring-type friction disc as claimed in claim 4, characterized in that: The locking ring (2) is provided with a tightening screw (8) for tightening the fixing screw II (7).

6. A split spring-type friction disc as claimed in claim 1, characterized in that: The friction disk (3) comprises a spring plate (31) and a friction plate (32) arranged on the periphery of the spring plate (31).

7. A split spring-type friction disc as claimed in claim 6, characterized in that: An annular positioning body (9) is provided at the rear end of the fixing ring (1), a spring sheet (31) is sleeved on the annular positioning body (9), and the spring sheet (31) is fixedly connected to the fixing ring (1) via a plurality of fixing screws III (10).

8. A split spring-type friction disc according to any one of claims 1 to 7, characterized in that: The inner walls of the fixing ring (1) and the locking ring (2) are respectively provided with a key groove I (11) and a key groove II (12), and the key groove I (11) and the key groove II (12) are arranged correspondingly.

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