Safety braking device of elevator

Abstract

The utility model belongs to the technical field of mechanical braking equipment, and particularly relates to an elevator safety braking device which comprises a fixing seat. A first brake drum is mounted on the inner side wall of the fixed seat; a second brake drum is mounted on the side wall of the fixed seat; a plurality of fixed shafts are mounted on the side wall of the fixed seat; the multiple fixing shafts can fix a first brake drum and a second brake drum. The side wall of the first brake drum is rotationally connected with a bolt; the bolt penetrates through the first brake drum; the end part of the bolt is fixedly connected with a brake tile; the side wall of the brake tile is in sliding connection with a brake disc; the second brake drum is in sliding connection with the brake disc; the middle part of the brake disc is hollow; a bolt is installed on the first brake drum and penetrates through the first brake drum, the end of the bolt is fixedly connected with a brake tile, the speed reduction of the brake disc is adjusted by adjusting the position of the bolt and adjusting the contact size of the brake tile and the brake disc, and the braking effect on the elevator is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical braking equipment technical field, specifically is a kind of hoist safety braking device. BACKGROUND

[0002] Hoist is mainly used to be responsible for lifting ore, equipment and personnel, and the safety braking device of hoist is the key component to ensure the safe operation of equipment, mainly used to stop equipment quickly in emergency, prevent accidents.

[0003] At present, in prior art, the braking device of hoist operating principle mainly relies on the cooperative work of power system, transmission system, control system and safety system, and the hoist is braked by these cooperations to prevent the hoist from sliding in the process of rising.

[0004] In prior art, the braking device of hoist is mainly braked by brake disc, and the application of hoist is relatively wide, and the braking effect of braking device is different, so the braking effect of hoist needs to be adjusted, therefore, aiming at the above problems, a kind of hoist safety braking device is proposed. INVENTION CONTENTS

[0005] In order to make up for the deficiency of prior art, solve at least one technical problem proposed in background art, the utility model provides a kind of hoist safety braking device.

[0006] The technical scheme that the utility model solves its technical problems is as follows: the utility model discloses a kind of hoist safety braking device, including fixed seat;First brake drum is mounted on the inner side wall of the fixed seat;Second brake drum is installed on the side wall of the fixed seat;Multiple fixed shafts are installed on the side wall of the fixed seat;Multiple fixed shafts can fix first brake drum and second brake drum;Screw is rotatably connected on the side wall of the first brake drum;The screw is set through the first brake drum;Brake tile is fixedly connected at the end of the screw;Brake disc is slidably connected on the side wall of the brake tile;Second brake drum is slidably connected brake disc;Brake disc is hollow in the middle;Multiple fixed pieces are fixedly connected on the side wall of the fixed seat;Multiple fixed pieces can fix the fixed seat.

[0007] Preferably, the side wall of the fixed seat is fixedly connected with a support frame;Groove is formed in the inner side wall of the support frame;Controller is installed on the side wall of the groove;The second brake drum can be controlled by the controller.

[0008] Preferably, a plurality of heat dissipation holes are formed in the middle of the brake disc;Multiple heat dissipation holes are arranged in annular array;Multiple heat dissipation holes are set through the brake disc.

[0009] Preferably, the brake disc side wall is fixedly connected with a plurality of cooling fins; the plurality of cooling fins are arranged in an annular array; and the plurality of cooling fins are circular.

[0010] Preferably, the inner side wall of the fixed seat is fixedly connected with a plurality of baffles; the plurality of baffles are symmetrically arranged; the top of the fixed seat is fixedly connected with a first baffle rod; the top of the fixed seat is fixedly connected with a second baffle rod; the top of the fixed seat is fixedly connected with a rubber plate; the bottom of the rubber plate is fixedly connected with an arc-shaped plate; the arc-shaped plate is arranged in a U shape; and the opening of the arc-shaped plate is larger than the width of the brake disc.

[0011] Preferably, the inner side wall of the fixed seat is fixedly connected with a plurality of first air pipes; the end of the plurality of first air pipes is connected with a second air pipe; and the plurality of first air pipes and the second air pipe are symmetrically arranged.

[0012] The utility model discloses a beneficial effect:

[0013] The utility model provides a hoist safety braking device, install first brake drum and second brake drum on fixed seat, fix first brake drum and second brake drum through fixed shaft, install bolt on first brake drum, bolt penetrates first brake drum, brake tile is fixedly connected to the end of bolt, can adjust the position of brake tile by rotating bolt, and the side wall of brake tile is slidably connected with brake disc, the side wall of second brake drum is slidably connected with brake disc, and the side wall of fixed seat is fixedly connected with a plurality of fixed sheets, and the fixed seat is fixedly installed through a plurality of fixed sheets, and the structure in the second brake drum and brake tile are adjusted to brake disc, and the size of the contact of brake tile and brake disc is adjusted through the position of adjusting bolt, and the size of the speed reduction of brake disc is adjusted, and the braking effect of hoist is realized through the adjustment of the speed reduction of brake disc.

[0014] The utility model provides a hoist safety braking device, through a plurality of cooling fins are attached to the surface of brake disc, when brake disc is braked, the heat that generates because of friction of brake disc is absorbed, and the brake disc is handled to reduce temperature, improves the braking effect of brake disc. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the perspective view of brake tile in the utility model;

[0019] Figure 3 is the perspective view of the heat dissipation hole in the utility model;

[0020] Figure 4 is the perspective view of the arc-shaped plate in the utility model;

[0021] Figure 5 is the perspective view of the first air pipe in the utility model.

[0022] Legend:

[0023] 1, fixed seat; 11, first brake drum; 12, second brake drum; 13, fixed shaft; 14, bolt; 15, brake tile; 16, brake disc; 17, fixed piece; 2, support frame; 21, groove; 22, controller; 3, heat dissipation hole; 4, heat dissipation fin; 5, baffle; 51, first baffle; 52, second baffle; 53, rubber plate; 54, arc-shaped plate; 6, first air pipe; 61, second air pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The specific embodiments are given below.

[0026] Please refer to Figure 1 and Figure 2The utility model provides a hoist safety braking device, including fixed base 1, the first brake drum 11 is installed to the inner wall of fixed base 1, the second brake drum 12 is installed to the side wall of fixed base 1, a plurality of fixed shafts 13 are installed to the side wall of fixed base 1, a plurality of first brake drum 11 and second brake drum 12 can be fixed with fixed shaft 13, the side wall rotation of first brake drum 11 is connected with bolt 14, bolt 14 is set through first brake drum 11, brake tile 15 is fixedly connected to the end of bolt 14, the side wall sliding of brake tile 15 is connected with brake disc 16, the sliding connection brake disc 16 of second brake drum 12, brake disc 16 is centrally hollow, a plurality of fixed pieces 17 are fixedly connected to the side wall of fixed base 1, a plurality of fixed base 1 can be fixed with fixed piece 17, when working, install first brake drum 11 and second brake drum 12 on fixed base 1, first brake drum 11 and second brake drum 12 are fixed through fixed shaft 13, install bolt 14 on first brake drum 11, bolt 14 is set through first brake drum 11, bolt 14 end fixedly connected brake tile 15, the position of brake tile 15 can be adjusted by rotating bolt 14, the side wall sliding of brake tile 15 is connected with brake disc 16, the side wall sliding of second brake drum 12 is connected with brake disc 16, a plurality of fixed pieces 17 are fixedly connected to the side wall of fixed base 1, fixed base 1 is fixedly installed through a plurality of fixed pieces 17, the structure in the second brake drum 12 and brake tile 15 are adjusted to brake disc 16, by adjusting the position of bolt 14, the size of brake tile 15 and brake disc 16 is adjusted, the size of brake disc 16 is adjusted, the braking effect of hoist is realized by adjusting the deceleration of brake disc 16.

[0027] Further, as shown in Figure 1 The side wall of fixed base 1 is fixedly connected with support frame 2, the inner wall of support frame 2 is provided with groove 21, controller 22 is installed on the side wall of groove 21, and controller 22 can control second brake drum 12. When working, the side wall of fixed base 1 is fixedly connected with support frame 2, groove 21 is formed in the inner wall of support frame 2, and controller 22 is installed on the inner wall of groove 21. The second brake drum 12 is controlled by the controller 22, the deceleration effect of the second brake drum 12 is controlled, the deceleration effect of the brake disc 16 is controlled, the brake of the brake disc 16 is realized, and the brake of the hoist is realized.

[0028] Further, as shown in Figure 2As shown, the brake disc 16 is provided with a plurality of heat dissipation holes 3 in the middle; a plurality of heat dissipation holes 3 are arranged in an annular array; a plurality of heat dissipation holes 3 are arranged through the brake disc 16; when working, the brake disc 16 is provided with a plurality of heat dissipation holes 3 in the middle, and a plurality of heat dissipation holes 3 are arranged in an annular array; when the brake disc 16 brakes the elevator, heat will be generated by friction; if the temperature of the brake disc 16 rises, it will affect the brake disc 16 and make the braking effect of the brake disc 16 worse; a plurality of heat dissipation holes 3 are arranged to volatilize the heat on the surface of the brake disc 16 and reduce the heat on the surface of the brake disc 16, thereby improving the braking effect.

[0029] Further, as shown in Figure 2 The side wall of the brake disc 16 is fixedly connected with a plurality of cooling fins 4; a plurality of cooling fins 4 are arranged in an annular array; a plurality of cooling fins 4 are circular; when working, a plurality of cooling fins 4 are attached to the surface of the brake disc 16; when the brake disc 16 brakes, the heat generated by friction of the brake disc 16 is absorbed to cool the brake disc 16 and improve the braking effect of the brake disc 16.

[0030] Further, as shown in Figure 1 And Figure 4 The inner wall of the fixed seat 1 is fixedly connected with a plurality of baffles 5; a plurality of baffles 5 are symmetrically arranged; the top of the fixed seat 1 is fixedly connected with a first baffle 51; the top of the fixed seat 1 is fixedly connected with a second baffle 52; the top of the fixed seat 1 is fixedly connected with a rubber plate 53; the bottom of the rubber plate 53 is fixedly connected with an arc-shaped plate 54; the arc-shaped plate 54 is U-shaped; the opening of the arc-shaped plate 54 is larger than the width of the brake disc 16; when working, the fixed seat 1 is fixedly connected with a plurality of baffles 5, and a plurality of baffles 5 are symmetrically arranged; the plurality of baffles 5 can protect the brake disc 16 at the bottom of the fixed seat 1 to prevent the brake disc 16 from sliding out of the inside of the fixed seat 1; the first baffle 51 and the second baffle 52 are arranged on the inner wall of the fixed seat 1 to protect the two sides of the brake disc 16; the rubber plate 53 is fixedly connected to the top of the fixed seat 1, and the arc-shaped plate 54 is fixedly connected to the bottom of the rubber plate 53; the arc-shaped plate 54 can protect the top of the brake disc 16; when the brake disc 16 is offset upward, the rubber plate 53 can also play a buffering role.

[0031] Further, as shown in Figure 1 And Figure 5As shown, the inner side wall of the fixed seat 1 is fixedly connected with a plurality of first air pipes 6; the end of the plurality of first air pipes 6 is connected with a second air pipe 61; the plurality of first air pipes 6 and the second air pipe 61 are symmetrically arranged; during work, the first air pipe 6 is installed on the side wall of the fixed seat 1, and the second air pipe 61 is fixed on the end of the first air pipe 6; when the brake disc 16 works and the cabinet elevator brakes, floating dust and the like will appear, the surface of the brake disc 16 is cleaned through the external air pipe of the first air pipe 6, so that the influence of the floating dust on the braking of the brake disc 16 is prevented.

[0032] Working principle: A first brake drum 11 and a second brake drum 12 are installed on a fixed base 1. The first brake drum 11 and the second brake drum 12 are fixed by a fixed shaft 13. A bolt 14 is installed on the first brake drum 11, passing through it. A brake shoe 15 is fixedly connected to the end of the bolt 14. Rotating the bolt 14 adjusts the position of the brake shoe 15. A brake disc 16 is slidably connected to the side wall of the brake shoe 15. A brake disc 16 is slidably connected to the side wall of the second brake drum 12. Multiple fixing plates 17 are fixedly connected to the side wall of the fixed base 1, securing the fixed base 1 in place. The internal structure of the second brake drum 12 and the brake shoe 15 adjust the speed of the brake disc 16. The position of bolt 14 is adjusted to change the contact size between brake pads 15 and brake disc 16, thereby adjusting the deceleration of brake disc 16. This adjustment of deceleration achieves the braking effect on the hoist. A support frame 2 is fixedly connected to the side wall of the fixed base 1. A groove 21 is formed on the inner side wall of the support frame 2, and a controller 22 is installed on the inner side wall of the groove 21. The controller 22 controls the second brake drum 12, controlling its deceleration effect, which in turn controls the deceleration effect on brake disc 16, thus achieving braking of brake disc 16 and ultimately braking of the hoist. Multiple heat dissipation holes 3 are formed in a circular array in the center of brake disc 16. The brake disc 16, when braking the hoist... During braking, friction generates heat. If the temperature of the brake disc 16 rises, it will affect the brake disc 16 and reduce its braking performance. Multiple heat dissipation holes 3 are provided to dissipate heat from the surface of the brake disc 16, reducing the heat and improving braking performance. Multiple heat dissipation fins 4 are attached to the surface of the brake disc 16 to absorb the heat generated by friction during braking, thus cooling the brake disc 16 and improving its braking effect. Multiple baffles 5 are fixedly connected to the mounting base 1. The baffles 5 are symmetrically arranged and protect the brake disc 16 at the bottom of the mounting base 1, preventing it from slipping off. Inside the fixed base 1, a first stop bar 51 and a second stop bar 52 are provided on the inner side wall of the fixed base 1 to protect both sides of the brake disc 16. A rubber plate 53 is fixedly connected to the top of the fixed base 1, and an arc plate 54 is fixedly connected to the bottom of the rubber plate 53. The arc plate 54 can protect the top of the brake disc 16. When the brake disc 16 shifts upward, the rubber plate 53 can also play a buffering role. A first air duct 6 is installed on the side wall of the fixed base 1, and a second air duct 61 is fixed to the end of the first air duct 6. When the brake disc 16 is working, dust will appear when the cabinet hoist brakes. The surface of the brake disc 16 is cleaned through the air duct connected to the first air duct 6 to prevent the dust from affecting the braking of the brake disc 16.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A safety brake device for an elevator, comprising a stationary seat (1), characterized in that: The inner side wall of the fixed seat (1) is provided with a first brake drum (11); the side wall of the fixed seat (1) is provided with a second brake drum (12); a plurality of fixed shafts (13) are arranged on the side wall of the fixed seat (1); the first brake drum (11) and the second brake drum (12) can be fixed by the fixed shafts (13); the side wall of the first brake drum (11) is rotatably connected with a bolt (14); the bolt (14) penetrates through the first brake drum (11); the end of the bolt (14) is fixedly connected with a brake shoe (15); the side wall of the brake shoe (15) is slidably connected with a brake disc (16); the second brake drum (12) is slidably connected with the brake disc (16); the brake disc (16) is provided with a hollow in the middle; a plurality of fixed pieces (17) are fixedly connected to the side wall of the fixed seat (1); the fixed seat (1) can be fixed by the fixed pieces (17).

2. A safety brake device for an elevator according to claim 1, characterized in that The side wall of the fixed seat (1) is fixedly connected with a support frame (2); a groove (21) is arranged on the inner side wall of the support frame (2); a controller (22) is arranged on the side wall of the groove (21); the controller (22) can control the second brake drum (12).

3. A safety brake device for an elevator as defined in claim 1, characterized in that A plurality of heat dissipation holes (3) are arranged in the middle of the brake disc (16); the heat dissipation holes (3) are arranged in an annular array; the heat dissipation holes (3) penetrate through the brake disc (16).

4. A safety brake device for an elevator according to claim 3, characterized in that: A plurality of heat dissipation fins (4) are fixedly connected to the side wall of the brake disc (16); the heat dissipation fins (4) are arranged in an annular array; the heat dissipation fins (4) are circular.

5. A safety brake device for an elevator as defined in claim 1, characterized by: A plurality of baffles (5) are fixedly connected to the inner side wall of the fixed seat (1); the baffles (5) are symmetrically arranged; a first baffle (51) is fixedly connected to the top of the fixed seat (1); a second baffle (52) is fixedly connected to the top of the fixed seat (1); a rubber plate (53) is fixedly connected to the top of the fixed seat (1); an arc-shaped plate (54) is fixedly connected to the bottom of the rubber plate (53); the arc-shaped plate (54) is U-shaped; the opening of the arc-shaped plate (54) is larger than the width of the brake disc (16).

6. A safety brake device for an elevator according to claim 5, characterized in that A plurality of first air pipes (6) are fixedly connected to the inner side wall of the fixed seat (1); a second air pipe (61) is connected to the end of the first air pipe (6); the first air pipe (6) and the second air pipe (61) are symmetrically arranged.

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