阅读说明：本技术 一种应急电梯用强力吊索 (Strong sling for emergency elevator ) 是由 李灯全 于 2021-07-16 设计创作，主要内容包括：本发明涉及提升装置技术领域,尤其涉及一种应急电梯用强力吊索。所述应急电梯用强力吊索包括吊索,还包括安装架,所述安装架上开设有通孔；夹持机构,所述夹持机构架设在安装架上；缓冲机构,所述缓冲机构与夹持机构相连接。本发明提供的应急电梯用强力吊索,利用测速装置监测吊索的运动速率,当速率超标时启动夹持机构,通过紧迫爪对圆辊进行夹持,增加圆辊所受摩擦力,从而防止圆辊快速转动,减缓圆辊运动的速度,而在夹持机构对圆辊夹持的同时,能够带动缓冲机构对吊索进行夹持,通过弧形夹上所设置的防滑条,对吊索进行摩擦,以减缓吊索在电梯重力作用下所下降的速率。(The invention relates to the technical field of lifting devices, in particular to a strong sling for an emergency elevator. The strong sling for the emergency elevator comprises a sling and a mounting frame, wherein a through hole is formed in the mounting frame; the clamping mechanism is arranged on the mounting frame; and the buffer mechanism is connected with the clamping mechanism. The invention provides a strong sling for an emergency elevator, which utilizes a speed measuring device to monitor the movement speed of the sling, starts a clamping mechanism when the speed exceeds the standard, clamps a round roller through a pressing claw, increases the friction force borne by the round roller, prevents the round roller from rotating quickly, slows down the movement speed of the round roller, can drive a buffer mechanism to clamp the sling while the clamping mechanism clamps the round roller, and rubs the sling through an anti-slip strip arranged on an arc-shaped clamp so as to slow down the descending speed of the sling under the action of the gravity of the elevator.)

1. The utility model provides a powerful hoist cable for emergency elevator, includes hoist cable (5), its characterized in that still includes:

the mounting rack (1) is provided with a through hole (10);

the clamping mechanism (8), the clamping mechanism (8) is erected on the mounting rack (1);

the buffer mechanism (9), the buffer mechanism (9) is connected with the clamping mechanism (8).

2. Heavy sling for an emergency elevator, according to claim 1, characterised in that the gripping means (8) comprise a second support seat (81), the second supporting seat (81) is fixedly arranged on the outer side wall of the mounting frame (1), and a second driving motor (82) is fixedly arranged on the second supporting seat (81), the output end of the second driving motor (82) is fixedly provided with a threaded rod (84), the other end of the threaded rod (84) is rotatably connected to the inner side wall of the mounting rack (1), two linkage frames (83) are movably arranged on the threaded rod (84), in particular, the linkage frames (83) are respectively arranged at two ends of the threaded rod (84), two ends of the threaded rod (84) are respectively provided with two sections of threads with opposite directions, link frame (83) all with threaded rod (84) threaded connection, link frame (83) the equal fixed mounting in one side that is close to each other has urgent clamp (86).

3. The powerful sling for an emergency elevator according to claim 2, wherein the holding mechanism (8) further comprises a plurality of sliding rods (85), the sliding rods (85) are uniformly distributed at four corners of the linkage frame (83), the plurality of sliding rods (85) are fixedly connected with the inner walls of two sides of the mounting frame (1), and the two linkage frames (83) are both slidably connected to the sliding rods (85).

4. The powerful sling for the emergency elevator according to claim 1, wherein two sliding grooves (11) are formed in the bottom of the mounting frame (1), the buffering mechanism (9) comprises two linkage posts (91), the two linkage posts (91) respectively penetrate through the two sliding grooves (11) and are fixedly connected with the bottoms of the two linkage frames (83), the connecting frames (92) are fixedly mounted on the sides, close to each other, of the linkage posts (91), the arc-shaped clamps (93) are fixedly mounted on one sides of the connecting frames (92), the anti-slip strips (94) are fixedly mounted on the arc-shaped clamps (93), and the sling (5) is located between the two arc-shaped clamps (93).

5. The heavy sling for emergency elevators according to claim 2, wherein the first support base (2) is fixedly mounted on the inner bottom wall of the mounting frame (1), a first driving motor (3) is fixedly arranged on the first supporting seat (2), a round roller (4) is fixedly arranged at the output end of the first driving motor (3), one end of the sling (5) is fixedly connected with the round roller (4), the sling (5) is wound on the outer ring surface of the round roller (4), the free end of the sling (5) penetrates through the through hole (10) and extends to the lower part of the mounting rack (1), the other end of the round roller (4) is fixedly provided with a connecting column (6), the other end of the connecting column (6) is fixedly provided with a supporting plate (7), and the supporting plate (7) is fixedly arranged on the inner bottom wall of the mounting frame (1), and the round roller (4) is positioned between the two pressing clamps (86).

6. The strong sling for the emergency elevator according to claim 2, wherein a speed measuring device (12) for monitoring the sling (5) is fixedly installed on the bottom plate surface of the mounting frame (1), a sensor is arranged in the speed measuring device (12), and the speed measuring device (12) is in signal control connection with the second driving motor (82) through the sensor.

Technical Field

The invention relates to the technical field of lifting devices, in particular to a strong sling for an emergency elevator.

Background

Slings (ropes used for hoisting) are generally referred to as lifting ropes. A jack rope: generally referred to as hoisting steel wire ropes. The sling and the lifting rope are equivalent in concept. In practice, the two steel wire ropes are mostly paired ropes, and are the same in length, and are most commonly used in actual hoisting operation.

At present, in the running process of an elevator, due to the long-time use of the elevator, the condition that the elevator is weightless due to aging of parts can occur, and the safety coefficient is low.

Therefore, it is necessary to provide a new strong sling for an emergency elevator to solve the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problem, the invention provides a strong sling for an emergency elevator, which can slow down the descending speed of the elevator and has high safety coefficient.

The invention provides a strong sling for an emergency elevator, which comprises a sling and also comprises:

the mounting rack is provided with a through hole;

the clamping mechanism is arranged on the mounting frame;

and the buffer mechanism is connected with the clamping mechanism.

Preferably, fixture includes the second supporting seat, second supporting seat fixed mounting is on the lateral wall of mounting bracket, just fixed mounting has second driving motor on the second supporting seat, second driving motor's output fixed mounting has the threaded rod, the other end of threaded rod rotates and connects on the inside wall of mounting bracket, movable mounting has two linkage framves on the threaded rod, specifically, the linkage frame sets up the both ends at the threaded rod respectively, the both ends of threaded rod are equipped with two sections opposite direction's screw respectively, the linkage frame all with threaded rod threaded connection, the equal fixed mounting in one side that the linkage frame is close to each other has the tight clamp.

Preferably, fixture still includes the slide bar, the slide bar sets up to a plurality ofly, slide bar evenly distributed is in the four corners department of linkage frame, and is a plurality of the slide bar all with mounting bracket both sides inner wall fixed connection, two the equal sliding connection of linkage frame is on the slide bar.

Preferably, two chutes are formed in the bottom of the mounting frame, the buffer mechanism comprises two linkage columns, the two linkage columns respectively penetrate through the two chutes and are fixedly connected with the bottoms of the two linkage frames, a connecting frame is fixedly mounted on one side, close to each other, of each linkage column, an arc-shaped clamp is fixedly mounted on one side of the connecting frame, a plurality of anti-slip strips are fixedly mounted on the arc-shaped clamp, and the sling is located between the two arc-shaped clamps.

Preferably, fixed mounting has a first supporting seat on the diapire in the mounting bracket, fixed mounting has a first driving motor on the first supporting seat, first driving motor's output fixed mounting has the dome roller, the one end and the dome roller fixed connection of hoist cable, just the hoist cable winding is on the outer anchor ring of dome roller, the free end of hoist cable runs through in the through-hole and extends to the below of mounting bracket, the other end fixed mounting of dome roller has the spliced pole, the other end fixed mounting of spliced pole has the backup pad, just the backup pad mount is established on the interior diapire of mounting bracket, the dome roller is located between two tight clamps.

Preferably, the bottom plate surface of the mounting rack is fixedly provided with a speed measuring device for monitoring the sling, a sensor is arranged in the speed measuring device, and the speed measuring device is connected with the second driving motor in a signal control mode through the sensor.

Compared with the related art, the strong sling for the emergency elevator provided by the invention has the following beneficial effects:

1. the invention provides a strong sling for an emergency elevator, which utilizes a speed measuring device to monitor the movement speed of the sling, starts a clamping mechanism when the speed exceeds the standard, clamps a round roller through a pressing claw, and increases the friction force borne by the round roller, thereby preventing the round roller from rotating quickly and slowing down the movement speed of the round roller;

2. the invention provides a strong sling for an emergency elevator, which can drive a buffer mechanism to clamp the sling while a clamping mechanism clamps a round roller, and rub the sling through an anti-slip strip arranged on an arc-shaped clamp so as to slow down the falling rate of the sling under the action of the gravity of the elevator;

3. the invention provides a strong sling for an emergency elevator, which is characterized in that an arc clamp is used for clamping and rubbing the sling, and the situation that the sling is driven by the elevator to quickly descend to cause the breakage of the sling is prevented, so that the safety of the device is improved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a heavy sling for an emergency elevator according to the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic structural view of the mounting bracket of the present invention;

FIG. 4 is a schematic view of the clamping mechanism of the present invention;

fig. 5 is a schematic structural view of the buffer mechanism according to the present invention.

Reference numbers in the figures: 1. a mounting frame; 2. a first support base; 3. a first drive motor; 4. a round roller; 5. a sling; 6. connecting columns; 7. a support plate; 8. a clamping mechanism; 81. a second support seat; 82. a second drive motor; 83. a linkage frame; 84. a threaded rod; 85. a slide bar; 86. a pressing clamp; 9. a buffer mechanism; 91. a linkage column; 92. a connecting frame; 93. an arc-shaped clamp; 94. anti-slip strips; 10. a through hole; 11. a chute; 12. a speed measuring device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 5, a strong sling for an emergency elevator according to an embodiment of the present invention includes a sling 5, a mounting frame 1, a clamping mechanism 8, and a buffering mechanism 9.

It should be noted that: through the clamping mechanism 8 and the buffer gear 9 that set up, can prevent when the elevator accident, the condition that the elevator descends fast appears to improve the device's security.

In an embodiment of the present invention, referring to fig. 3, a through hole 10 is formed in the mounting bracket 1, a first supporting seat 2 is fixedly mounted on the inner bottom wall of the mounting bracket 1, a first driving motor 3 is fixedly mounted on the first supporting seat 2, a round roller 4 is fixedly mounted at an output end of the first driving motor 3, one end of the sling 5 is fixedly connected with the round roller 4, the sling 5 is wound on the outer annular surface of the round roller 4, a free end of the sling 5 penetrates through the through hole 10 and extends to the lower side of the mounting bracket 1, a connecting column 6 is fixedly mounted at the other end of the round roller 4, a supporting plate 7 is fixedly mounted at the other end of the connecting column 6, and the supporting plate 7 is fixedly mounted on the inner bottom wall of the mounting bracket 1.

It should be noted that: the lifting movement of the slings 5 is confined within the through holes 10.

In an embodiment of the present invention, please refer to fig. 3, a speed measuring device 12 for monitoring the sling 5 is fixedly installed on a bottom plate surface of the installation frame 1, a sensor is disposed in the speed measuring device 12, and the speed measuring device 12 is in signal control connection with the clamping mechanism 8 through the sensor.

It should be noted that: the speed measuring device 12 is used for monitoring the moving speed of the sling 5, and when the moving speed of the sling 5 exceeds the specified speed, the clamping mechanism 8 is controlled to drive through signal connection, so that the circular roller 4 is clamped, the friction force received by the circular roller 4 is increased, and the moving speed of the sling 5 is reduced.

In the embodiment of the present invention, referring to fig. 1 and 4, the clamping mechanism 8 is mounted on the mounting frame 1, the clamping mechanism 8 comprises a second supporting seat 81, the second supporting seat 81 is fixedly arranged on the outer side wall of the mounting frame 1, a second driving motor 82 is fixedly installed on the second supporting seat 81, a threaded rod 84 is fixedly installed at the output end of the second driving motor 82, the other end of the threaded rod 84 is rotatably connected to the inner side wall of the mounting frame 1, two linkage frames 83 are movably mounted on the threaded rod 84, specifically, the linkage frames 83 are respectively arranged at two ends of the threaded rod 84, two ends of the threaded rod 84 are respectively provided with two sections of threads with opposite directions, the linkage frames 83 are in threaded connection with a threaded rod 84, pressing clamps 86 are fixedly mounted on the sides, close to each other, of the linkage frames 83, and the round roller 4 is located between the two pressing clamps 86;

fixture 8 still includes slide bar 85, slide bar 85 sets up to a plurality ofly, slide bar 85 evenly distributed is in the four corners department of link span 83, and is a plurality of slide bar 85 all with 1 both sides inner wall fixed connection of mounting bracket, two the equal sliding connection of link span 83 is on slide bar 85.

It should be noted that: when the speed measuring device 12 monitors that the movement speed of the sling 5 exceeds the standard, the clamping mechanism 8 is started by signal control, the threaded rod 84 is driven to rotate on the inner wall of the mounting frame 1 through the second driving motor 82, two sections of threads with opposite directions are respectively arranged at two ends of the threaded rod 84, so that the linkage frames 83 arranged at two ends of the threaded rod 84 move in opposite directions along with the direction of the threads, at the moment, the pressing clamps 86 arranged on the linkage frames 83 move in opposite directions, and the circular rollers 4 are arranged between the two pressing clamps 86, so that the pressing clamps 86 move in opposite directions to finally clamp the circular rollers 4;

it should be noted that: a plurality of saw teeth for increasing friction force are arranged on the inner arc surface of the pressing clamp 86, and when the round roller 4 rotates, the friction force between the pressing clamp 86 and the round roller 4 can be increased by approaching the pressing clamp 86, so that the rotating speed of the round roller 4 is reduced;

in the present embodiment: because linkage 83 four corners department all sliding connection has slide bar 85, and the equal fixed mounting of slide bar 85 is on the inner wall of mounting bracket 1, so linkage 83 also slides on slide bar 85 when moving on threaded rod 84 to carry on spacingly to linkage 83, prevent that linkage 83 from rotating along with threaded rod 84's rotation, further strengthen linkage 83's stability.

In an embodiment of the present invention, referring to fig. 2 and 5, the buffering mechanism 9 is connected with the clamping mechanism 8, the bottom of the mounting frame 1 is provided with two sliding grooves 11, the buffering mechanism 9 includes two linking columns 91, the two linking columns 91 respectively penetrate through the two sliding grooves 11 and are fixedly connected with the bottoms of the two linking frames 83, the connecting frames 92 are fixedly installed on the sides of the linking columns 91 close to each other, the arc-shaped clips 93 are fixedly installed on one sides of the connecting frames 92, the anti-slip strips 94 are fixedly installed on the arc-shaped clips 93, and the sling 5 is located between the two arc-shaped clips 93.

It should be noted that: when the clamping mechanism 8 starts to clamp the circular roller 4, the buffer mechanism 9 and the clamping mechanism 8 are connected through the connection of the linkage columns 91 and the linkage frame 83, so that the linkage frame 83 can drive the linkage columns 91 installed below the linkage frame to move while moving towards the circular roller 4, the sling 5 is positioned between the linkage columns 91, the elevator is connected below the sling 5, and when the circular roller 4 is clamped by the pressing clamp 86, the arc-shaped clamps 93 on the linkage columns 91 move towards the sling 5 and offset the sling 5, so that the descending speed of the sling 5 under the action of the gravity of the elevator is reduced;

in the present embodiment: because the arc-shaped clamp 93 is provided with the plurality of anti-slip strips 94, when the arc-shaped clamp 93 is attached to the sling 5 for clamping, the anti-slip performance of the anti-slip strips 94 per se is utilized to prevent the sling 5 from rapidly descending.

The working principle of the strong sling for the emergency elevator provided by the invention is as follows:

when the speed measuring device 12 monitors that the movement speed of the sling 5 exceeds the standard, the clamping mechanism 8 is started by signal control, the threaded rod 84 is driven to rotate on the inner wall of the mounting frame 1 through the second driving motor 82, two sections of threads with opposite directions are respectively arranged at two ends of the threaded rod 84, so that the linkage frames 83 arranged at two ends of the threaded rod 84 move in opposite directions along with the directions of the threads, at the moment, the pressing clamps 86 arranged on the linkage frames 83 move in opposite directions, the circular roller 4 is finally clamped by the pressing clamps 86 because the circular roller 4 is arranged between the two pressing clamps 86, a plurality of saw teeth for increasing friction force are arranged on the inner arc surface of the pressing clamps 86, and when the circular roller 4 rotates, the friction force between the pressing clamps 86 and the circular roller 4 can be increased by the approach of the pressing clamps 86, so that the rotation speed of the circular roller 4 is reduced;

when the clamping mechanism 8 starts to clamp the circular roller 4, the buffer mechanism 9 and the clamping mechanism 8 are connected through the connection of the linkage columns 91 and the linkage frame 83, the linkage frame 83 can drive the linkage columns 91 installed below the linkage frame to move while moving towards the direction of the circular roller 4, the sling 5 is positioned between the linkage columns 91, the elevator is connected below the sling 5, when the circular roller 4 is clamped by the pressing clamp 86, the arc-shaped clamps 93 on the linkage columns 91 move towards the direction of the sling 5 and offset the sling 5, so that the descending speed of the sling 5 under the action of the gravity of the elevator is reduced, and the plurality of anti-slip strips 94 are arranged on the arc-shaped clamps 93, so that when the arc-shaped clamps 93 clamp the circular roller 4, the self anti-slip performance of the anti-slip strips 94 is utilized, and the sling 5 is prevented from descending rapidly.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.