Elevator brake device

Abstract

The utility model relates to the technical field of elevators, in particular to an elevator brake device which comprises a brake assembly, a brake shell is arranged on the periphery of the brake assembly, a wire outlet assembly is arranged in the brake shell, and the wire outlet assembly is located above the brake assembly. According to the elevator brake device, the stepping motor is started, power is transmitted to the take-up reel through the driving wheel, the synchronous belt and the driven synchronous wheel, when the brake action needs to be executed, the built-in switch in the take-up reel lowers the trigger switch according to extrusion of the simulation cable on the built-in switch, and when the built-in switch reaches the preset position, the built-in switch is switched on. The electromagnetic band brake rapidly holds the brake inner drum to realize rapid braking, and an upper limit switch in the wire outlet assembly monitors the limit position of the simulation cable to prevent excessive winding and unwinding.

Description

Technical Field

[0001] The utility model relates to the field of elevators, and specifically to a braking device for an elevator. Background Technique

[0002] A lamp ball elevator is a specially designed mechanical device used to efficiently and safely lift large decorative lamp balls or similar heavy objects to a designated height. It is commonly seen in large-scale celebrations, concerts, stadiums, or urban landscape lighting. It integrates a precise lifting system, a stable load-bearing structure, and an easy-to-operate control unit, ensuring the smoothness of the lamp ball during the lifting process and adding a colorful visual effect to various activities.

[0003] Currently, most lamp ball elevators are driven by stepping motors, lacking an independent braking system and relying on electromagnetic braking to achieve lifting control. However, this method has the disadvantage of inaccurate positioning of the electromagnet chuck and is prone to failure or even damage when the speed or load increases. At the same time, there is a lack of a lower limit protection mechanism for descending, and improper operation is likely to cause reverse operation, and there is a lack of corresponding structures in this regard, which need to be improved and optimized. Content of the Utility Model

[0004] The purpose of the utility model is to provide a braking device for an elevator to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A braking device for an elevator includes a braking component, a braking housing is arranged on the periphery of the braking component, and a wire outlet component is arranged inside the braking housing, and the wire outlet component is located above the braking component.

[0006] Preferably, the braking housing includes an upper top plate, a lower top plate, a lamp hook fixing seat, and a side plate. The bottom of the upper top plate is fixedly connected to the side plate, the bottom end of the side plate is fixedly connected to the lower top plate, and the bottom end of the lower top plate is fixedly connected to the lamp hook fixing seat.

[0007] Preferably, the braking component includes a driving component and a driven component. The driving component includes an intermediate support plate, a motor seat, a stepping motor, a counting disk, and a driving wheel. The intermediate support plate is fixedly connected between the upper top plate and the lower top plate. The front side wall of the intermediate support plate is fixedly connected to the motor seat. The rear side wall of the motor seat is fixedly connected to the stepping motor. The output end of the stepping motor is fixedly connected to the counting disk, and the output end of the stepping motor is fixedly connected to the driving wheel.

[0008] Preferably, the output end of the stepping motor penetrates through the motor seat and extends to the front end, and the driving wheel is located in front of the counting disk.

[0009] Preferably, the driven assembly includes a synchronous belt, an inner rotating shaft belt, a driven synchronous pulley, a wire reel, a built-in switch, a transmission bearing seat, a steel column, a brake inner drum, an electromagnetic brake, a simulation cable, and a retaining edge. The synchronous belt is drivingly connected to the circumferential surface of the driving wheel, and the other end of the synchronous belt is drivingly connected to the driven synchronous pulley. An inner rotating shaft belt is fixedly connected inside the driven synchronous pulley, and a wire reel is fixedly connected to the front end of the driven synchronous pulley. A built-in switch is fixedly connected inside the wire reel, and one end of the simulation cable is fixedly connected inside the wire reel. A transmission bearing seat is fixedly connected to the rear end of the driven synchronous pulley, a steel column is fixedly connected to the rear end of the transmission bearing seat, an electromagnetic brake is fixedly connected to the rear end of the steel column, a brake inner drum is fixedly connected inside the electromagnetic brake, and retaining edges are fixedly connected to both the front and rear ends of the wire reel.

[0010] Preferably, the number of the steel columns is four, and they are arranged in a circumferential array between the transmission bearing seat and the electromagnetic brake. The number of the retaining edges is two, and they are symmetrically distributed at both the front and rear ends of the wire reel.

[0011] Preferably, the wire outlet assembly includes a wire outlet switch frame, an upper limit switch, a driving bearing, and a wire outlet. The wire outlet switch frame is fixedly connected to the bottom end of the upper top plate. An upper limit switch is fixedly connected inside the wire outlet switch frame, a driving bearing is fixedly connected inside the wire outlet switch frame, and the wire outlet is clamped inside the upper top plate.

[0012] Preferably, the number of the wire outlet switch frames is two, and they are symmetrically arranged at the bottom end of the upper top plate. The number of the driving bearings is two, and they are symmetrically arranged between the two wire outlet switch frames. The other end of the simulation cable is located between the two driving bearings and passes through the wire outlet.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] For a lift brake device proposed by the present utility model, mainly the stepping motor is started, and power is transmitted to the wire reel through the driving wheel, synchronous belt, and driven synchronous pulley. When a braking action needs to be performed, the built-in switch in the wire reel is triggered by the reduction of the extrusion of the simulation cable on the built-in switch. When the preset position is reached, the electromagnetic brake quickly clamps the brake inner drum to achieve rapid braking. The upper limit switch in the wire outlet assembly monitors the extreme position of the simulation cable to prevent over-winding and over-unwinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a lift brake device;

[0016] Figure 2 It is a schematic internal structural diagram of a lift brake device;

[0017] Figure 3 It is a schematic structural diagram of a brake assembly of an elevator holding brake device;

[0018] Figure 4 It is a schematic diagram of the back structure of a brake assembly of an elevator holding brake device;

[0019] Figure 5 It is a schematic structural diagram of a wire outlet assembly of an elevator holding brake device.

[0020] In the figure: 1. Brake housing; 101. Upper top plate; 102. Lower top plate; 103. Lamp hook fixing seat; 104. Side plate; 2. Brake assembly; 201. Intermediate support plate; 202. Motor seat; 203. Stepper motor; 204. Counting disk; 205. Driving wheel; 206. Synchronous belt; 207. Inner rotating shaft belt; 208. Driven synchronous wheel;

[0021] 209. Wire take-up reel; 210. Built-in switch; 211. Transmission bearing seat; 212. Steel column; 213. Brake inner drum; 214. Electromagnetic holding brake; 215. Analog cable; 216. Flange 3. Wire outlet assembly; 301. Wire outlet switch frame; 302. Upper limit switch; 303. Driving bearing; 304. Wire outlet. Specific embodiments

[0022] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5 , the present utility model provides embodiments of the following five preferred solutions:

[0024] Embodiment 1: An elevator holding brake device includes a brake assembly 2. A brake housing 1 is provided around the brake assembly 2, and a wire outlet assembly 3 is provided inside the brake housing 1. The wire outlet assembly 3 is located above the brake assembly 2.

[0025] Embodiment 2: On the basis of Embodiment 1, the brake housing 1 includes an upper top plate 101, a lower top plate 102, a lamp hook fixing seat 103 and side plates 104. The upper top plate 101 serves as the installation basis for the brake assembly 2 and the wire outlet assembly 3, providing a stable support structure. The bottom of the upper top plate 101 is fixedly connected to the side plates 104. The side plates 104 connect the upper top plate 101 and the lower top plate 102 to form a closed housing structure, protecting the internal components from the external environment. The bottom end of the side plates 104 is fixedly connected to the lower top plate 102. The lower top plate 102 cooperates with the upper top plate 101 to jointly form the main body of the brake housing 1, enhancing the stability of the overall structure. The bottom end of the lower top plate 102 is fixedly connected to the lamp hook fixing seat 103. The lamp hook fixing seat 103 is used to fix or install other auxiliary devices (such as indicator lights, etc.), providing additional functional interfaces.

[0026] Embodiment 3: On the basis of Embodiment 1, the brake assembly 2 includes a driving component and a driven component. The driving component includes an intermediate support plate 201, a motor seat 202, a stepping motor 203, a counting disk 204 and a driving wheel 205. The intermediate support plate 201 supports and fixes the various components of the driving component. The intermediate support plate 201 is fixedly connected between the upper top plate 101 and the lower top plate 102. The front side wall of the intermediate support plate 201 is fixedly connected to the motor seat 202. The motor seat 202 fixes the stepping motor 203 to ensure its stable operation. The rear side wall of the motor seat 202 is fixedly connected to the stepping motor 203. The stepping motor 203 provides power and precisely controls the number of steps to achieve precise adjustment of the braking action. The output end of the stepping motor 203 is fixedly connected to the counting disk 204. The counting disk 204 records the number of rotations of the stepping motor 203 and is used to monitor the execution of the braking action. The output end of the stepping motor 203 is fixedly connected to the driving wheel 205. The driving wheel 205 is directly connected to the output end of the stepping motor 203 to transmit power to the synchronous belt 206. The output end of the stepping motor 203 passes through the motor seat 202 and extends to the front end. The driving wheel 205 is located in front of the counting disk 204.

[0027] Embodiment 4: On the basis of Embodiment 1, the driven component includes a synchronous belt 206, an inner rotating shaft belt 207, a driven synchronous pulley 208, a wire winding disc 209, a built-in switch 210, a transmission bearing seat 211, a steel column 212, a brake inner drum 213, an electromagnetic brake 214, a simulated cable 215, and a retaining edge 216. The synchronous belt 206 is drivingly connected to the circumferential surface of the driving wheel 205, and the other end of the synchronous belt 206 is drivingly connected to the driven synchronous pulley 208. The inner rotating shaft belt 207 is fixedly connected to the inside of the driven synchronous pulley 208. The synchronous belt 206, the inner rotating shaft belt 207, and the driven synchronous pulley 208 together achieve the transmission of power, converting the power of the stepping motor 203 into the rotation of the wire winding disc 209. The wire winding disc 209 is fixedly connected to the front end of the driven synchronous pulley 208. The wire winding disc 209 winds and unwinds the simulated cable 215, which is the specific execution component for realizing the braking function. The built-in switch 210 is fixedly connected to the inside of the wire winding disc 209. The built-in switch 210 drives the simulated cable 215 to contact the built-in switch 210 according to the rotation position of the wire winding disc 209 to control the switch of the electromagnetic brake 214, realizing the automatic control of the braking action. One end of the simulated cable 215 is fixedly connected to the inside of the wire winding disc 209. The simulated cable 215 serves as the transmission medium for the braking action, connecting the wire winding disc 209 and the wire outlet 304. The transmission bearing seat 211 is fixedly connected to the rear end of the driven synchronous pulley 208, and the steel column 212 is fixedly connected to the rear end of the transmission bearing seat 211. The transmission bearing seat 211 and the steel column 212 support and fix the driven component, ensuring the smoothness and accuracy of rotation. The electromagnetic brake 214 is fixedly connected to the rear end of the steel column 212. The number of steel columns 212 is set to four and is arranged in a circumferential array between the transmission bearing seat 211 and the electromagnetic brake 214. The brake inner drum 213 is fixedly connected to the inside of the electromagnetic brake 214. The electromagnetic brake 214 and the brake inner drum 213 quickly clamp the brake inner drum 213 when needed to achieve rapid braking. Retaining edges 216 are fixedly connected to both the front and rear ends of the wire winding disc 209. The number of retaining edges 216 is set to two and is symmetrically distributed at the front and rear ends of the wire winding disc 209. The retaining edges 216 prevent the simulated cable 215 from falling off during the winding and unwinding process, ensuring the reliability of the braking action.

[0028] Embodiment 5: On the basis of Embodiment 1, the wire outlet assembly 3 includes a wire outlet switch frame 301, an upper limit switch 302, a driving bearing 303 and a wire outlet 304. The wire outlet switch frame 301 fixes and supports the upper limit switch 302 and the driving bearing 303 to ensure the smooth passage of the simulated cable 215. The wire outlet switch frame 301 is fixedly connected to the bottom end of the upper top plate 101. The number of wire outlet switch frames 301 is set to two and they are symmetrically arranged at the bottom end of the upper top plate 101. The upper limit switch 302 is fixedly connected inside the wire outlet switch frame 301. The upper limit switch 302 detects the extreme position of the simulated cable 215 to prevent equipment damage caused by excessive winding and unwinding. The driving bearing 303 is fixedly connected inside the wire outlet switch frame 301. The driving bearing 303 reduces the friction when the simulated cable 215 passes through, protecting the cable and the driving components. The number of driving bearings 303 is set to two and they are symmetrically arranged between the two wire outlet switch frames 301. The wire outlet 304 is clamped inside the upper top plate 101. The other end of the simulated cable 215 is located between the two driving bearings 303 and passes through the wire outlet 304. The wire outlet 304 serves as the outlet of the simulated cable 215 to ensure that the cable can smoothly enter or leave the braking device.

[0029] During actual use, the stepping motor 203 is started, and the power is transmitted to the take-up reel 209 through the driving wheel 205, the synchronous belt 206 and the driven synchronous wheel 208. When a braking action needs to be performed, the built-in switch 210 in the take-up reel 209 reduces the trigger switch according to the extrusion of the simulated cable 215 on the built-in switch 210. When the preset position is reached, the electromagnetic brake 214 quickly clamps the brake inner drum 213 to achieve rapid braking. The upper limit switch 302 in the wire outlet assembly 3 monitors the extreme position of the simulated cable 215 to prevent excessive winding and unwinding.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator holding brake device, characterized in that: It includes a brake assembly (2), a brake housing (1) is arranged around the brake assembly (2), a wire outlet assembly (3) is arranged inside the brake housing (1), the wire outlet assembly (3) is located above the brake assembly (2), the brake assembly (2) includes a driving assembly and a driven assembly, the driving assembly includes an intermediate support plate (201), a motor seat (202), a stepping motor (203), a counting disc (204) and a driving wheel (205), the intermediate support plate (201) is fixedly connected between the upper top plate (101) and the lower top plate (102), the front side wall of the intermediate support plate (201) is fixedly connected with the motor seat (202), the rear side wall of the motor seat (202) is fixedly connected with the stepping motor (203), the output end of the stepping motor (203) is fixedly connected with the counting disc (204), the output end of the stepping motor (203) is fixedly connected with the driving wheel (205), the driven assembly includes a synchronous belt (206), an inner shaft belt (207), a driven synchronous wheel (208), a wire take-up reel (209), a built-in switch (210), a transmission bearing seat (211), a steel column (212), a brake inner drum (213), an electromagnetic brake (214), a simulated cable (215) and a flange (216), the synchronous belt (206) is in transmission connection with the circumferential surface of the driving wheel (205), the other end of the synchronous belt (206) is in transmission connection with the driven synchronous wheel (208), the inner shaft belt (207) is fixedly connected inside the driven synchronous wheel (208), the front end of the driven synchronous wheel (208) is fixedly connected with the wire take-up reel (209), the built-in switch (210) is fixedly connected inside the wire take-up reel (209), one end of the simulated cable (215) is fixedly connected inside the wire take-up reel (209), the rear end of the driven synchronous wheel (208) is fixedly connected with the transmission bearing seat (211), the steel column (212) is fixedly connected to the rear end of the transmission bearing seat (211), the electromagnetic brake (214) is fixedly connected to the rear end of the steel column (212), the brake inner drum (213) is fixedly connected inside the electromagnetic brake (214), and flanges (216) are fixedly connected to both the front and rear ends of the wire take-up reel (209).

2. The elevator brake device according to claim 1, characterized in that: The brake housing (1) includes an upper top plate (101), a lower top plate (102), a lamp hook fixing seat (103) and a side plate (104), the bottom of the upper top plate (101) is fixedly connected with the side plate (104), the bottom end of the side plate (104) is fixedly connected with the lower top plate (102), and the bottom end of the lower top plate (102) is fixedly connected with the lamp hook fixing seat (103).

3. The elevator brake device according to claim 1, characterized in that: The output end of the stepping motor (203) penetrates through the motor seat (202) and extends to the front end, and the driving wheel (205) is located in front of the counting disc (204).

4. The elevator brake device according to claim 1, characterized in that: The number of the steel columns (212) is set to four, and they are arranged in a circumferential array between the transmission bearing seat (211) and the electromagnetic brake (214). The number of the retaining edges (216) is set to two, and they are symmetrically distributed at the front and rear ends of the wire take-up reel (209).

5. The elevator brake device according to claim 1, characterized in that: The wire outlet assembly (3) includes a wire outlet switch frame (301), an upper limit switch (302), a driving bearing (303) and a wire outlet (304). The wire outlet switch frame (301) is fixedly connected to the bottom end of the upper top plate (101). The upper limit switch (302) is fixedly connected inside the wire outlet switch frame (301). The driving bearing (303) is fixedly connected inside the wire outlet switch frame (301). The wire outlet (304) is clamped inside the upper top plate (101).

6. The elevator brake device according to claim 5, characterized in that: The number of the wire outlet switch frames (301) is set to two, and they are symmetrically arranged at the bottom end of the upper top plate (101). The number of the driving bearings (303) is set to two, and they are symmetrically arranged between the two wire outlet switch frames (301). The other end of the simulation cable (215) is located between the two driving bearings (303) and penetrates through the wire outlet (304).

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