CN219579749U - Emergency rescue device - Google Patents

Abstract

The utility model relates to the technical field of emergency rescue, in particular to an emergency rescue device which adopts electromagnetic force and friction force dual speed limiting braking, can carry out emergency rescue on a plurality of trapped people and has good practicability; the window-mounted type automatic window-mounted device comprises a clamping frame, a mounting frame and a winding shaft, wherein the clamping frame is used for being clamped on a window, the clamping frame is provided with the mounting frame extending out of the window, and the winding shaft is rotatably mounted on the mounting frame; still include motor, control box, escape rope and brake mechanism, the motor is installed on the mounting bracket, the rotor pivot of motor is connected with the pivot transmission of roll-up axle, the control box is installed on the mounting bracket, be provided with controller and battery in the control box, be provided with operating button on the controller, the battery of control box is connected with the stator electricity of motor, the upper end roll-up of escape rope is in the roll-up axle, the lower extreme of escape rope is used for connecting the safety belt, brake mechanism installs on the mounting bracket, brake mechanism carries out supplementary speed limit braking to the roll-up axle.

Description

An emergency rescue device

technical field

The utility model relates to the technical field of emergency rescue, in particular to an emergency rescue device.

Background technique

In high places such as high-rise buildings, when emergency situations such as danger occur, it is often necessary to escape to the ground in time to reduce the damage caused by the danger. In some situations, such as during a fire, the passageways of buildings are difficult to pass, adding obstacles for people to escape to the ground. In this case, going through a window is one of the possible avenues. To escape from the window to the ground, it is necessary to use an emergency rescue device with slow-down capability to reduce the speed of descent and improve the safety of emergency rescue and escape.

In the prior art, there are many devices for emergency rescue and escape of high-rise buildings. For example, a utility model patent with the announcement number "CN213760254U" proposes an emergency escape device for high-rise buildings. Improve security. However, this device does not have the ability to recover the escape rope, that is, it can only be used once, and it cannot rescue people in the building multiple times. The speed limit brake fails, and the reliability of slow down is poor.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides an emergency rescue device with good practicability, which adopts dual speed-limiting braking of electromagnetic force and friction force, and can carry out emergency rescue for many trapped persons.

An emergency rescue device of the present utility model comprises a clamping frame, a mounting frame and a take-up shaft, the clamping frame is used for clamping on the window, the clamping frame is provided with a mounting frame protruding out of the window, and the retracting shaft is rotated and installed On the mounting frame; it also includes a motor, a control box, an escape rope and a braking mechanism. The motor is installed on the mounting frame. There is a controller and a storage battery, the controller is provided with an operation button, the battery of the control box is electrically connected to the stator of the motor, the upper end of the escape rope is retracted in the retracting shaft, and the lower end of the escape rope is used to connect the safety belt, brake The mechanism is installed on the installation frame, and the brake mechanism performs auxiliary speed-limited braking on the take-up shaft; Put on the safety belt, connect the lower end of the escape rope with the safety belt of a trapped person, and the trapped person will hold the escape rope and land from the window to the ground. During the landing process, the retracting shaft drives the rotor of the motor to rotate, and the motor The electromagnetic force between the rotor and the stator forms resistance to the rotation of the take-up shaft, so that the escape rope drives the trapped person down slowly, and the braking mechanism performs auxiliary speed-limited braking on the take-up shaft, avoiding friction blocks and friction hubs Overheating may lead to the possibility of speed limit brake failure. Double speed limit is realized with high reliability. At the same time, the power generated by the motor is stored by the battery in the control box. When the trapped person lands, the controller of the control box controls the battery to the motor Power supply enables the motor to drive the take-up shaft to take up the escape rope, so as to carry out emergency rescue for other trapped persons, and has high practicability.

Preferably, the braking mechanism includes a brake disc, an electric push rod and a friction block, the brake disc is concentrically installed on the rotating shaft of the take-up shaft, the electric push rod is installed on the mounting frame, and the top end of the piston rod of the electric push rod is installed Friction block, the friction block is in frictional contact with the brake disc, and the electric push rod is electrically connected to the controller of the control box; when the trapped person's weight is too large, causing the descending speed to be too fast, the control box controls the electric push rod to extend the piston rod, The piston rod of the electric push rod pushes the friction block and presses it tightly on the brake disc, so that the friction block rubs against the brake disc, thereby assisting the speed limit of the take-up shaft, and cooperates with the motor to realize double speed limit, with a simple structure.

Preferably, it also includes a mounting plate, a slide bar and a spring, the mounting plate is installed on the top of the piston rod of the electric push rod, the slide bar is slidably installed on the mounting plate, the friction block is installed on the outer end of the slide bar, and the spring is installed on the friction block Between the mounting plate and the mounting plate; the friction block is elastically installed on the mounting plate through a slide bar and a spring. On the disc, the pressure between the friction block and the brake disc is kept stable, so as to avoid excessive friction between the friction block and the brake disc to cause high temperature and cause brake failure.

Preferably, it also includes a plurality of speed sensing blocks and speed sensors, and a plurality of speed sensing blocks are evenly arranged on the circumference of the end surface of the brake disc. The speed sensors are installed on the mounting frame, and the probes of the speed sensors are aligned with the speed sensing blocks. The control connection with the control box; the speed sensor detects the time when multiple speed sensor blocks pass through the speed sensor to detect the speed of the brake disc, thereby detecting the release speed of the escape rope. When the speed sensor detects that the speed of the brake disc is too fast, the control box The advanced controller controls the extension of the electric push rod to a certain length, and performs auxiliary speed-limited braking on the take-up shaft to improve the automation of the device.

Preferably, it also includes a joint and two lifting rings, the joint is installed at the lower end of the escape rope, the joint is provided with two opposite lifting holes, the two lifting rings are respectively hung in the two lifting holes of the joint, and the two lifting rings are used for Connect the safety belt; by setting the joint, it is convenient to hang two hoisting rings, and two trapped persons with lighter weight can be hoisted at the same time through the two hoisting rings, so as to improve the efficiency of emergency rescue.

Preferably, the clamping frame is set as an elastically connected upper part and a lower part, and the mounting frame is installed on the lower part of the clamping frame, and the upper end of the upper part and the lower end of the lower part of the clamping frame are provided with card slots matching the window wall; when in use Install the card slot at the lower end of the card mounting frame on the wall below the window, and mount the card slot at the upper end of the card mounting frame on the wall at the upper side of the window. The elastic card mounting frame can adapt to windows of different heights. The mounting frame is installed on The lower part of the card mounting frame enables the card mounting frame to stably support the mounting frame and has high practicability.

Compared with the prior art, the utility model has the beneficial effects as follows: when in use, the clamping frame is clamped on the window, the mounting frame and the retracting shaft are stretched out of the window, and the trapped persons wear safety belts, and the escape The lower end of the rope is connected to the safety belt of a trapped person, and the trapped person holds the escape rope and lands from the window to the ground. During the landing process, the take-up shaft drives the rotor of the motor to rotate, and the electromagnetic The force forms resistance to the rotation of the retracting shaft, so that the escape rope drives the trapped person down slowly, and the braking mechanism performs auxiliary speed-limited braking on the retracting shaft, avoiding overheating of the friction block and friction hub, resulting in speed-limited braking Possibility of failure, dual speed limit, high reliability, and at the same time, the electric power generated by the motor is stored by the battery in the control box. When the trapped person lands, the controller of the control box controls the battery to supply power to the motor, so that the motor drives the retractor The shaft retracts the escape rope, so as to provide emergency rescue for other trapped persons, which has high practicability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front view structural representation of the utility model;

Fig. 3 is a structural representation of the utility model in use;

Fig. 4 is a structural schematic diagram of structures such as a retracting shaft, a motor, an escape rope, a brake disc and an electric push rod;

Fig. 5 is a schematic diagram of a partially enlarged structure at A;

Marks in the attached drawings: 1. card mounting frame; 2. mounting frame; 3. take-up shaft; 4. motor; 5. control box; 6. escape rope; 7. brake disc; 8. electric push rod; 9. Friction block; 10, mounting plate; 11, slide bar; 12, spring; 13, speed sensor block; 14, speed sensor; 15, joint; 16, suspension ring.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

Example 1

As shown in Figures 1 to 5, an emergency rescue device includes a snap-in frame 1, a mounting frame 2 and a take-up shaft 3, the snap-in frame 1 is used to snap on the window, and the snap-in frame 1 is provided with a protruding Mounting frame 2 outside the window, take-up shaft 3 rotations are installed on the mounting frame 2; The shaft transmission connection of the take-up shaft 3, the control box 5 is installed on the mounting frame 2, the control box 5 is provided with a controller and a storage battery, the controller is provided with an operation button, and the storage battery of the control box 5 is electrically connected with the stator of the motor 4 , the upper end of the escape rope 6 is retracted in the retracting shaft 3, the lower end of the escape rope 6 is used to connect the safety belt, the braking mechanism is installed on the mounting frame 2, and the braking mechanism performs auxiliary speed limit braking on the retracting shaft 3 The braking mechanism includes a brake disc 7, an electric push rod 8 and a friction block 9, the brake disc 7 is concentrically installed on the rotating shaft of the take-up shaft 3, the electric push rod 8 is installed on the mounting frame 2, and the electric push rod 8 The top of the piston rod is equipped with a friction block 9, the friction block 9 is in frictional contact with the brake disc 7, and the electric push rod 8 is electrically connected with the controller of the control box 5; it also includes a mounting plate 10, a slide bar 11 and a spring 12, and the mounting plate 10 is installed on the top of the piston rod of the electric push rod 8, the sliding rod 11 is slidably installed on the mounting plate 10, the friction block 9 is installed on the outer end of the sliding rod 11, and the spring 12 is installed between the friction block 9 and the mounting plate 10; Also comprise a plurality of speed measuring sensing blocks 13 and speed measuring sensors 14, the circumference of the end face of the brake disc 7 is uniformly provided with a plurality of speed measuring sensing blocks 13, the speed measuring sensors 14 are installed on the mounting frame 2, the probes of the speed measuring sensors 14 and the speed measuring sensing blocks 13 is aligned, the speed sensor 14 is connected with the control of the control box 5; it also includes a joint 15 and two lifting rings 16, the joint 15 is installed at the lower end of the escape rope 6, and the joint 15 is provided with two relative lifting holes, and the two lifting rings 16 Respectively hang in the two lifting holes of the joint 15, and the two lifting rings 16 are used to connect the safety belt.

During use, the card mounting frame 1 is clamped on the window, and the mounting frame 2 and the take-up shaft 3 are stretched out of the window. The trapped person's safety belt, the trapped person's hands hold the escape rope 6 and land from the window to the ground. During the landing process, the retracting shaft 3 drives the rotor of the motor 4 to rotate, and the electromagnetic force between the rotor of the motor 4 and the stator forms The resistance to the rotation of the take-up shaft 3 makes the escape rope 6 drive the trapped person down slowly, and the speed sensor 14 detects the speed of the brake disc 7 when a plurality of speed sensor blocks 13 pass through the speed sensor 14, thereby detecting the escape rope 6 release speed, when the speed sensor 14 detects that the speed of the brake disc 7 is too fast, the controller of the control box 5 controls the electric push rod 8 to extend a certain length, and the piston rod of the electric push rod 8 will brake the mounting plate 10 When the disc 7 is pushed, the sliding rod 11 and the spring 12 elastically press the friction block 9 on the brake disc 7, so that the pressure between the friction block 9 and the brake disc 7 remains stable, and the friction between the friction block 9 and the brake disc 7 is avoided. Excessive force produces high temperature and causes brake failure. The friction block 9 and the brake disc 7 perform auxiliary speed limit braking on the retracting shaft 3 to achieve double speed limit and high reliability. At the same time, the power generated by the motor 4 is controlled by the control box. 5 of the battery is stored, when the trapped person lands, the controller of the control box 5 controls the battery to supply power to the motor 4, so that the motor 4 drives the retracting shaft 3 to retract the escape rope 6, so as to provide emergency rescue for other trapped persons , high practicability.

Example 2

As shown in Figures 1 to 3, an emergency rescue device includes a snap-in frame 1, a mounting frame 2 and a take-up shaft 3, the snap-in frame 1 is used to snap on the window, and the snap-in frame 1 is provided with a protruding Mounting frame 2 outside the window, take-up shaft 3 rotations are installed on the mounting frame 2; The shaft transmission connection of the take-up shaft 3, the control box 5 is installed on the mounting frame 2, the control box 5 is provided with a controller and a storage battery, the controller is provided with an operation button, and the storage battery of the control box 5 is electrically connected with the stator of the motor 4 , the upper end of the escape rope 6 is retracted in the retracting shaft 3, the lower end of the escape rope 6 is used to connect the safety belt, the braking mechanism is installed on the mounting frame 2, and the braking mechanism performs auxiliary speed limit braking on the retracting shaft 3 The card mounting frame 1 is set to the top and bottom of the elastic connection, the mounting frame 2 is installed on the bottom of the card mounting frame 1, and the upper end of the upper part of the card mounting frame 1 and the lower end of the lower part are all provided with card slots matching the window wall.

When in use, the lower end card slot of the card mounting frame 1 is mounted on the wall below the window, and the upper end card slot of the card mounting frame 1 is mounted on the upper wall of the window. The elastic card mounting frame 1 can adapt to windows of different heights , the mounting frame 2 is installed on the lower part of the clip mounting frame 1, so that the clip mounting frame 1 can stably support the mounting frame 2, and the practicability is high.

As shown in Fig. 1 to Fig. 5, a kind of emergency rescue device of the present utility model, when it is in work, at first when using, the two ends card slots of the clip mounting frame 1 are clipped on the wall body on both sides of the window, and the mounting frame 2 and the take-up shaft 3 extend out of the window, and the trapped personnel wear safety belts, and the suspension ring 16 is connected with the safety belts of the trapped personnel, and then the trapped personnel hold the escape rope 6 and land from the window to the ground. During the process, the retracting shaft 3 drives the rotor of the motor 4 to rotate, and the electromagnetic force between the rotor and the stator of the motor 4 forms resistance to the rotation of the retracting shaft 3, so that the escape rope 6 drives the trapped personnel to descend slowly, and then the speed is measured. The sensor 14 detects the rotation speed of the take-up shaft 3, and the control box 5 controls the extension of the piston rod of the electric push rod 8 according to the speed of the take-up shaft 3 so that the friction block 9 rubs against the brake disc 7 to perform auxiliary speed-limited braking on the take-up shaft 3 At the same time, the electric power generated by the motor 4 is stored by the battery of the control box 5. Finally, after the trapped person lands, the controller of the control box 5 controls the battery to supply power to the motor 4, so that the motor 4 drives the retracting shaft 3 to retract the escape rope 6 , to provide emergency rescue to other trapped persons.

The main functions realized by the utility model are:

1. Double speed limit brake with electromagnetic force and friction force, high reliability;

2. It can detect the slow-down speed of trapped people and carry out automatic control;

3. It can retract the escape rope and provide emergency rescue for many trapped persons.

An emergency rescue device of the utility model, its installation method, connection method or setting method are all common mechanical methods, as long as the beneficial effect can be achieved; the retracting shaft of the emergency rescue device of the utility model 3. The motor 4, the control box 5, the escape rope 6, the brake disc 7, the electric push rod 8, the friction block 9, the spring 12, the speed sensor block 13, the speed sensor 14, and the lifting ring 16 are purchased on the market, and the technology in this industry Personnel only need to install and operate according to the accompanying instruction manual, without creative work by those skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (6)

1. An emergency rescue device, comprising a clamping frame (1), a mounting frame (2) and a take-up shaft (3), the clamping frame (1) is used for clamping on the window, and the clamping frame (1) is set There is a mounting frame (2) protruding out of the window, and the take-up shaft (3) is rotatably mounted on the mounting frame (2); it is characterized in that it also includes a motor (4), a control box (5), an escape rope (6) and The brake mechanism, the motor (4) is installed on the mounting frame (2), the rotor shaft of the motor (4) is connected with the rotating shaft transmission of the take-up shaft (3), the control box (5) is installed on the mounting frame (2), The control box (5) is provided with a controller and a storage battery, the controller is provided with an operation button, the storage battery of the control box (5) is electrically connected with the stator of the motor (4), and the upper end of the escape rope (6) is retracted on the retractable In the shaft (3), the lower end of the escape rope (6) is used to connect the safety belt, and the braking mechanism is installed on the mounting frame (2), and the braking mechanism performs auxiliary speed-limiting braking on the retracting shaft (3). 2. An emergency rescue device according to claim 1, characterized in that the brake mechanism includes a brake disc (7), an electric push rod (8) and a friction block (9), and the brake disc (7) is concentric Be installed on the rotating shaft of take-up shaft (3), electric push rod (8) is installed on the mounting frame (2), and the top of the piston rod of electric push rod (8) is equipped with friction block (9), and friction block (9) ) is in frictional contact with the brake disc (7), and the electric push rod (8) is electrically connected with the controller of the control box (5). 3. An emergency rescue device according to claim 2, characterized in that it also comprises a mounting plate (10), a slide bar (11) and a spring (12), and the mounting plate (10) is installed on the electric push rod (8 ), the slide bar (11) is slidably installed on the mounting plate (10), the friction block (9) is installed on the outer end of the slide bar (11), and the spring (12) is installed on the friction block (9) and between the mounting plates (10). 4. A kind of emergency rescue device as claimed in claim 2, is characterized in that, also comprises a plurality of speed measuring induction blocks (13) and speed measuring sensor (14), and the circumference on the end face of brake disc (7) is evenly arranged with several A speed measuring sensor block (13), the speed measuring sensor (14) is installed on the mounting bracket (2), the probe of the speed measuring sensor (14) is aligned with the speed measuring sensor block (13), the speed measuring sensor (14) and the control box (5) Control connections. 5. A kind of emergency rescue device as claimed in claim 1, is characterized in that, also comprises joint (15) and two suspension rings (16), and joint (15) is installed in the lower end of escape rope (6), and joint (15) ) are provided with two relative lifting holes, and two lifting rings (16) are hung in two lifting holes of joint (15) respectively, and two lifting rings (16) are used for connecting safety belt. 6. A kind of emergency rescue device as claimed in claim 1, characterized in that, the clamping frame (1) is arranged as the upper part and the lower part of elastic connection, and the mounting frame (2) is installed on the bottom of the clamping frame (1), Both the upper end of the upper part and the lower end of the lower part of the card mounting frame (1) are provided with card slots matching the window wall.