Lifting roller safety brake of elevator

Abstract

The utility model discloses a lifting roller safety brake of a lifting machine. The lifting roller safety brake comprises a roller body, a cooling mechanism is arranged on the outer side of the roller body and comprises a first half ring, exhaust holes and a second half ring, and the exhaust holes are formed in the left side of the first half ring and distributed in an array mode; a filtering mechanism is arranged in the filtering frame, the filtering mechanism comprises a baffle, an open groove and a filtering plate, the open groove is connected with the filtering plate in a clamping mode, and the filtering plate is connected with the filtering frame in a sliding mode. A brake body is arranged on the outer side of the roller body. According to the lifting roller safety brake of the elevator, external air is exhausted from the exhaust holes, circulation of air near the brake body is accelerated, the local temperature is prevented from being too high, the protection effect is achieved, the filter plate can filter the extracted air, dust is prevented from being blown to the roller body, and the safety of the elevator is improved. And the influence of dust on braking of the brake body is avoided.

Description

Technical Field

[0001] This utility model relates to the field of brake technology, specifically a safety brake for the lifting drum of a hoist. Background Technology

[0002] Angang Coking Plant currently has two hoists, one with a capacity of 140t / h and the other with a capacity of 190t / h. Each hoist uses two motors, each driving a drum via a planetary horizontal reducer, to lift and lower the coke tank using wire rope. Under normal operation, both motors run simultaneously. In case of a malfunction, a single motor drives a single drum via the reducer, reducing the speed by half. To ensure the inherent safety of the hoisting equipment, the electrical components of the hoisting drum safety brake have been specially developed.

[0003] If a shaft breakage accident occurs in the lifting reducer, the coke can will fall to the ground in a free fall state, leading to serious equipment accidents, or even personal injury accidents and huge economic losses. In order to prevent such serious accidents, it is planned to add two hydraulic brakes to the two lifting drums. Under normal operation, the brakes are in the open state. In the event of a failure, especially in the event of a stall, the two hydraulic brakes will close instantly to ensure that the drum position is locked, thereby ensuring the safety of personnel and equipment.

[0004] However, the temperature of the roller shaft of the safety brake of the lifting drum of a common hoist is prone to rise during use. If it is not dealt with, it will lead to brake failure. In addition, the brake will also generate heat during the braking process, and dust will also be attracted to the outer surface of the roller shaft, which is not conducive to braking. Therefore, there is still room for further improvement.

[0005] Therefore, we propose a safety brake for the lifting drum of a hoist to solve the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a safety brake for the lifting drum of a hoist, in order to solve the problems mentioned in the background art. In the current common hoist lifting drum safety brake, the temperature of the drum shaft is easy to rise during use. If it is not dealt with, it will lead to braking failure. In addition, the brake will also generate heat during braking, and dust will also be attracted to the outer surface of the drum shaft, which is not conducive to braking. Therefore, there is still room for further improvement.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a safety brake for the lifting drum of a hoist, comprising: a drum body;

[0008] Also includes:

[0009] A cooling mechanism is provided on the outer side of the roller body. The cooling mechanism includes a first half-ring, an exhaust hole, and a second half-ring. An exhaust hole is provided on the left side of the first half-ring, and the exhaust holes are arranged in an array.

[0010] A filter frame, wherein a filter mechanism is provided inside the filter frame, the filter mechanism including a baffle, a slot and a filter plate, the slot being engaged with the filter plate and the filter plate being slidably connected to the filter frame.

[0011] Preferably, a brake body is provided on the outer side of the roller body, a drive motor is provided on the left side of the roller body, and a speed reducer is provided on the right side of the roller body.

[0012] Preferably, the reducer is fixedly connected to one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the first half-ring.

[0013] Preferably, the first half-ring has a ventilation groove inside, and the lower side of the first half-ring is rotatably connected to the lower side of the second half-ring. The upper side of the first half-ring is fixedly connected to the upper side of the second half-ring by a screw. The second half-ring also has a ventilation groove and an exhaust hole inside.

[0014] Preferably, the right side of the first semi-ring is fixedly connected to one end of the vent pipe, and the other end of the vent pipe is fixedly connected to the buffer ring, and the buffer ring is located on the right side of the reducer.

[0015] Preferably, the right side of the buffer ring is fixedly connected to the fan, and the right side of the fan is fixedly connected to the filter frame.

[0016] Preferably, the front side of the filter frame is rotatably connected to the front side of the baffle, and the rear side of the filter frame is fixedly connected to the rear side of the baffle by a screw.

[0017] Preferably, the filter frame has a slot inside, and the upper side of the filter plate is tightly fitted to the lower side of the baffle.

[0018] Compared with the prior art, the beneficial effects of this utility model are: the safety brake of the lifting drum of the hoist allows outside air to be discharged from the exhaust port, which accelerates the air circulation near the brake body, avoids excessive local temperature, and has a protective function. The filter plate can filter the extracted air to prevent dust from being blown onto the drum body and avoid dust from affecting the braking of the brake body.

[0019] 1. It is equipped with a connecting rod, a first half-ring, and a vent groove. The first half-ring is connected to the reducer through the connecting rod, which facilitates the connection between the first half-ring and the reducer and has a fixing function.

[0020] 2. It is equipped with a first half-ring, a second half-ring and a fan. The fan will transport outside air through the vent pipe to the vent groove inside the first half-ring and the second half-ring, and then discharge it from the exhaust port, thereby accelerating the air circulation near the brake body, avoiding excessive local temperature, and having a protective function.

[0021] 3. It is equipped with a filter frame, slots and filter plates. The filter plates can filter the drawn air to prevent dust from being blown onto the shaft of the roller body and avoid dust affecting the braking of the brake body. Attached Figure Description

[0022] Figure 1 This is a first-view structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the connection structure of the reducer, connecting rod, and first half-ring of this utility model;

[0025] Figure 4 This is a schematic diagram of the connection structure between the first and second half-rings of this utility model;

[0026] Figure 5 This is an exploded view of the buffer ring, fan, filter frame, and filter plate of this utility model.

[0027] In the diagram: 1. Roller body; 2. Brake body; 3. Drive motor; 4. Reducer; 5. Connecting rod; 6. First half ring; 7. Ventilation groove; 8. Exhaust hole; 9. Second half ring; 10. Ventilation pipe; 11. Buffer ring; 12. Fan; 13. Filter frame; 14. Baffle; 15. Slot; 16. Filter plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0030] This embodiment is a safety brake for the lifting drum of a hoist.

[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a brake body 2 is provided on the outer side of the roller body 1, a drive motor 3 is provided on the left side of the roller body 1, and a reducer 4 is provided on the right side of the roller body 1. The reducer 4 is fixedly connected to one end of the connecting rod 5, and the other end of the connecting rod 5 is fixedly connected to the first half-ring 6. A ventilation groove 7 is provided inside the first half-ring 6, and an exhaust hole 8 is provided on the left side of the first half-ring 6. The exhaust holes 8 are arranged in an array. The lower side of the first half-ring 6 is rotatably connected to the lower side of the second half-ring 9, and the upper side of the first half-ring 6 is fixedly connected to the upper side of the second half-ring 9 by a screw. The second half-ring 9 also has a ventilation groove 7 and an exhaust hole 8 inside.

[0032] like Figure 3 , Figure 4 and Figure 5 As shown, the right side of the first half-ring 6 is fixedly connected to one end of the vent pipe 10, and the other end of the vent pipe 10 is fixedly connected to the buffer ring 11. The buffer ring 11 is located on the right side of the reducer 4. The right side of the buffer ring 11 is fixedly connected to the fan 12. The right side of the fan 12 is fixedly connected to the filter frame 13. The front side of the filter frame 13 is rotatably connected to the front side of the baffle 14. The rear side of the filter frame 13 is fixedly connected to the rear side of the baffle 14 by a screw. The filter frame 13 has a slot 15 inside. The slot 15 is engaged with the filter plate 16. The filter plate 16 is slidably connected to the filter frame 13. The upper side of the filter plate 16 is tightly fitted to the lower side of the baffle 14.

[0033] It should be noted that the drive motor 3 can rotate the drum body 1. The brake body 2 adopts the SH15 hydraulic disc brake produced by Beijing Junshang Delang Technology Co., Ltd. When a fault occurs, especially in the case of stall, the brake body 2 will close instantly to ensure that the position of the drum body 1 is locked, thereby ensuring the safety of personnel and equipment. Specific Implementation Example 2

[0035] This embodiment is designed to address the problem of high temperatures generated during operation of the shaft of the drum body 1 and during braking of the brake body 2.

[0036] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the first half-ring 6 and the second half-ring 9 are connected to the reducer 4 via the connecting rod 5. Since the first half-ring 6 and the second half-ring 9 are located outside the shaft of the drum body 1, they can prevent the first half-ring 6 and the second half-ring 9 from contacting the drum body 1. When the fan 12 is started, the fan 12 will draw in outside air from the filter frame 13, and then deliver it from the buffer ring 11 to the vent pipe 10, to the vent groove 7 inside the first half-ring 6, and then to the vent groove 7 inside the second half-ring 9, and finally discharge it from the exhaust port 8. This can dissipate heat from the drum body 1 and prevent high temperature from affecting the drum body 1. Specific Implementation Example 3

[0038] This embodiment is designed to address the problem that when there is dust in the air, a large amount of dust adsorbed on the outer side of the roller body 1 is detrimental to braking.

[0039] like Figure 3 , Figure 4 and Figure 5 As shown, the filter frame 13 has a slot 15 inside, and a filter plate 16 is slidably connected inside the filter frame 13. The filter plate 16 can filter the air, thereby preventing dust from being transported to the vicinity of the roller body 1. The filter frame 13 and the baffle 14 are rotatably connected. Therefore, when filtering the filter plate 16, simply rotate the bolt on the side of the baffle 14 to open it, and remove the filter plate 16 from inside the filter frame 13. The operation is relatively simple and easy to operate.

[0040] The contents not described in detail in this specification are existing technologies known to those skilled in the art. All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hoist drum safety brake of an elevator, comprising: The drum body (1) is characterized in that it further comprises: The outer side of the drum body (1) is provided with a cooling mechanism, wherein the cooling mechanism comprises a first half ring (6), an exhaust hole (8) and a second half ring (9), the left side of the first half ring (6) is provided with the exhaust hole (8), and the exhaust hole (8) is arranged in an array. The inside of the filter frame (13) is provided with a filtering mechanism, wherein the filtering mechanism comprises a baffle (14), a slot (15) and a filter plate (16), the slot (15) is connected with the filter plate (16) in a clamping manner, and the filter plate (16) is connected with the filter frame (13) in a sliding manner. The outer side of the drum body (1) is provided with a brake body (2), the left side of the drum body (1) is provided with a driving motor (3), and the right side of the drum body (1) is provided with a speed reducer (4).

2. A safety brake for an elevator drum of an elevator as claimed in claim 1, characterized in that One end of the connecting rod (5) is fixedly connected with the speed reducer (4), and the other end of the connecting rod (5) is fixedly connected with the first half ring (6).

3. A safety brake for an elevator drum of an elevator as claimed in claim 2, characterized in that The inside of the first half ring (6) is provided with a ventilation groove (7), the lower side of the first half ring (6) is rotatably connected with the lower side of the second half ring (9), the upper side of the first half ring (6) is fixedly connected with the upper side of the second half ring (9) through a screw rod, and the inside of the second half ring (9) is also provided with the ventilation groove (7) and the exhaust hole (8).

4. A safety brake for an elevator drum of an elevator as defined in claim 1, characterized in that The right side of the first half ring (6) is fixedly connected with one end of the ventilation pipe (10), the other end of the ventilation pipe (10) is fixedly connected with the buffer ring (11), and the buffer ring (11) is arranged on the right side of the speed reducer (4).

5. A safety brake for an elevator drum of an elevator as claimed in claim 4, characterized in that The right side of the buffer ring (11) is fixedly connected with the fan (12), and the right side of the fan (12) is fixedly connected with the filter frame (13).

6. A safety brake for an elevator drum of an elevator as claimed in claim 5, characterized in that The front side of the filter frame (13) is rotatably connected with the front side of the baffle (14), and the rear side of the filter frame (13) is fixedly connected with the rear side of the baffle (14) through a screw rod.

7. A safety brake for an elevator drum of an elevator as claimed in claim 6, characterized in that The inside of the filter frame (13) is provided with the slot (15), and the upper side of the filter plate (16) is tightly attached to the lower side of the baffle (14).

8. A safety brake for an elevator drum of an elevator as defined in claim 1, characterized by ​

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