Traction steel wire rope tripping monitoring device

Abstract

The utility model belongs to the field of elevators, and discloses a traction steel wire rope tripping monitoring device which comprises an installation base, a plurality of rope head assemblies and a monitoring assembly, the monitoring assembly comprises an installation frame, a rotating shaft, a triggering piece, a sensor, a monitoring support and an elastic piece, the installation frame is arranged on the installation base, and the rotating shaft is rotationally installed on the installation frame; the triggering piece and the monitoring support are arranged on the rotating shaft, the triggering piece is used for triggering the sensor, the position of the monitoring support corresponds to the rope head assembly, and the rope head assembly can impact the monitoring support when tension becomes small, so that the monitoring support drives the rotating shaft and the triggering piece to rotate, and then the triggering piece triggers the sensor; and the rotating shaft is reset after rotating. The monitoring assembly adopts the structures such as the mounting frame, the rotating shaft, the triggering piece, the sensor, the monitoring support and the elastic piece, the monitoring support is of a rigid structure and is used for receiving movement of the rope head assembly, and the monitoring assembly has the advantages of being high in structural strength and not prone to loosening and abrasion.

Description

Technical Field

[0001] The utility model relates to the field of elevators, and particularly to a monitoring device for the jumping-off of traction steel ropes. Background Technique

[0002] There is a risk of the traction steel rope jumping off, so it is necessary to monitor this. The Chinese patent with the publication number CN213387322U discloses a tension detection device for elevator traction steel ropes, which includes a rope end mechanism and a detection mechanism. The rope end mechanism includes several groups of rope end assemblies, and each rope end assembly includes a rope end rod and a rope end spring; the detection mechanism includes a mounting lock head, a transmission rope, a linkage member, a microswitch and an alarm; the mounting lock heads are respectively fixed at the tops of the respective rope end rods; the linkage member is rotatably arranged in the elevator shaft, and the linkage member has a first rotating end and a second rotating end; one end of the transmission rope passes through each mounting lock head and is fixed to one of the mounting lock heads, and the other end of the transmission rope is connected to the first rotating end; the microswitch is electrically connected to the alarm; the transmission element of the microswitch is arranged on the rotation path of the second rotating end. This detection can timely discover that the tension difference between the steel ropes has exceeded the allowable value, solve the technical problems of accelerated wear of the traction wheel rope groove or the steel rope and increased risk of the steel rope slipping out of the groove, and improve the safety of elevator operation.

[0003] However, the above detection device still has the following problems:

[0004] 1) The transmission rope is prone to loosening and wear after long-term use, affecting the accuracy of the detection result;

[0005] 2) The structure is not compact enough, and the integrity and structural strength are not high enough. Content of the Utility Model

[0006] The purpose of the utility model is to provide a monitoring device for the jumping-off of traction steel ropes to solve the problems put forward in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A monitoring device for the jumping-off of a traction steel wire rope, comprising a mounting base, a plurality of rope head assemblies arranged on the mounting base, and a monitoring assembly. The monitoring assembly is used to monitor the tension of the rope head assemblies. The monitoring assembly includes a mounting frame, a rotating shaft, a triggering member, a sensor, a monitoring bracket, and an elastic member. The mounting frame is arranged on the mounting base. The rotating shaft is rotatably mounted on the mounting frame. The sensor is fixedly arranged. The triggering member and the monitoring bracket are arranged on the rotating shaft and can rotate together with the rotating shaft. The triggering member is used to trigger the sensor. The position of the monitoring bracket corresponds to that of the rope head assemblies. When the tension of the rope head assemblies decreases, the rope head assemblies can impact the monitoring bracket, causing the monitoring bracket to drive the rotating shaft and the triggering member to rotate, thereby enabling the triggering member to trigger the sensor. The elastic member acts on the rotating shaft to reset the rotating shaft after rotation.

[0009] Further, the mounting frame includes two left and right adjusting seats arranged on the mounting base and two left and right fixing seats respectively arranged on the adjusting seats. The rotating shaft is rotatably mounted between the two fixing seats.

[0010] Further, one of the adjusting seat and the mounting base is provided with a kidney-shaped hole, and the other is connected to the kidney-shaped hole through a fastener; one of the adjusting seat and the fixing seat is provided with a plurality of first mounting holes arranged in an array, and the other is connected to the first mounting holes through a fastener.

[0011] Further, the sensor is arranged on the mounting frame, the triggering member is arranged at the end of the rotating shaft, and the sensor is located on the rotation path of the triggering member.

[0012] Further, the sensor is a microswitch, and the triggering member is a striker.

[0013] Further, a plurality of impact-bearing members are arranged on the monitoring bracket, and the positions of the impact-bearing members correspond to the positions of the rope head assemblies.

[0014] Further, a plurality of second mounting holes are arranged on the monitoring bracket at intervals in a row, and the impact-bearing members are arranged on the second mounting holes.

[0015] Further, the monitoring bracket can adjust its position on the rotating shaft.

[0016] Further, the elastic member is a torsion spring sleeved on the rotating shaft.

[0017] Further, the rope head assembly includes a rope head rod and a rope head spring. The rope head spring is used to raise the rope head rod when the steel wire rope elongates due to a decrease in tensile tension.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: The monitoring component of the present utility model adopts structures such as a mounting bracket, a rotating shaft, a triggering member, a sensor, a monitoring bracket, an elastic member, etc. The monitoring bracket is a rigid structure, which is used to receive the movement of the rope end assembly, and has the advantages of high structural strength, not easy to loosen, and not easy to wear. The present utility model also integrates the monitoring component with the mounting base and the rope end assembly through the mounting bracket, so that the integrity is stronger, the structure is more compact, and the strength is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the present utility model.

[0020] Figure 2 is Figure 1 The enlarged view at A in

[0021] Figure 3 is Figure 1 The enlarged view at B in

[0022] Figure 4 is Figure 1 The enlarged view at C in

[0023] In the figure: mounting base 1, rope end assembly 2, rope end rod 200, rope end spring 201, adjusting seat 3, waist-shaped hole 300, fixing seat 4, first mounting hole 400, rotating shaft 5, triggering member 6, sensor 7, monitoring bracket 8, second mounting hole 800, impact receiving member 9, elastic member 10. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-4, A monitoring device for the jumping-off of traction steel ropes, comprising a mounting base 1, a plurality of rope end assemblies 2 arranged on the mounting base 1, and a monitoring assembly. The monitoring assembly is used to monitor the tension of the rope end assemblies 2. The monitoring assembly includes a mounting frame, a rotating shaft 5, a triggering member 6, a sensor 7, a monitoring bracket 8, and an elastic member 10. The mounting frame is arranged on the mounting base 1. The rotating shaft 5 is rotatably mounted on the mounting frame. The sensor 7 is fixedly arranged. The triggering member 6 and the monitoring bracket 8 are arranged on the rotating shaft 5 and can rotate together with the rotating shaft 5. The triggering member 6 is used to trigger the sensor 7. The position of the monitoring bracket 8 corresponds to that of the rope end assemblies 2. When the tension of the rope end assemblies 2 decreases, it can impact the monitoring bracket 8, causing the monitoring bracket 8 to drive the rotating shaft 5 and the triggering member 6 to rotate, thereby causing the triggering member 6 to trigger the sensor 7. The elastic member 10 acts on the rotating shaft 5 to reset the rotating shaft 5 after rotation. Among them, the mounting frame, the rotating shaft 5, the triggering member 6, and the monitoring bracket 8 are all rigid structures and can be made of metal materials.

[0026] It can be understood that in the above technical solution, the monitoring assembly of the present utility model adopts structures such as a mounting frame, a rotating shaft 5, a triggering member 6, a sensor 7, a monitoring bracket 8, and an elastic member 10. The monitoring bracket 8 is a rigid structure, which is used to receive the movement of the rope end assemblies 2, and has the advantages of high structural strength, not easy to loosen, and not easy to wear. The present utility model also integrates the monitoring assembly with the mounting base 1 and the rope end assemblies 2 through the mounting frame, so that the integrity is stronger, the structure is more compact, and the strength is higher.

[0027] Continue to refer to Figure 1 and Figure 4 , In an embodiment of the present utility model, the mounting frame includes two left and right adjusting seats 3 arranged on the mounting base 1 and two left and right fixing seats 4 respectively arranged on the adjusting seats 3. The rotating shaft 5 is rotatably mounted between the two fixing seats 4. The rope end assemblies 2 are located between the two adjusting seats 3. Among them, waist-shaped holes 300 are provided on the adjusting seats 3. The mounting base 1 is connected to the waist-shaped holes 300 through fasteners. The position of the adjusting seats 3 on the mounting base 1 can be adjusted through the waist-shaped holes 300. In addition, the waist-shaped holes 300 can also be provided on the mounting base 1. A plurality of first mounting holes 400 arranged in an array are provided on the fixing seats 4. The adjusting seats 3 are connected to the first mounting holes 400 through fasteners. The position and mounting angle of the fixing seats 4 on the adjusting seats 3 can be adjusted by connecting the adjusting seats 3 to different first mounting holes 400. In addition, the first mounting holes 400 arranged in an array can also be provided on the adjusting seats 3.

[0028] Continue to refer to Figure 1 and Figure 2, in an embodiment of the present utility model, the sensor 7 is preferably a microswitch, which is installed on the fixed seat 4 on one side, and has a pulley 700 thereon. The triggering member 6 is preferably a firing pin, which is arranged at the end of the rotating shaft 5. The sensor 7 is located on the rotation path of the triggering member 6. When the triggering member 6 rotates with the rotating shaft 5, it will hit the pulley 700 of the sensor 7, thereby triggering the sensor 7.

[0029] Continue to refer to Figure 1 and Figure 3 , in an embodiment of the present utility model, a plurality of impact receiving members 9 are arranged on the monitoring bracket 8, and the positions of the impact receiving members 9 correspond to the positions of the rope end assembly 2. Specifically, a plurality of second mounting holes 800 are arranged at intervals in a row on the monitoring bracket 8. The impact receiving member 9 is preferably a bolt, which is arranged on the second mounting hole 800. The impact receiving member 9 can adjust the mounting position by connecting with different second mounting holes 800. Moreover, the monitoring bracket 8 is a rod-shaped structure, which is slidably inserted on the rotating shaft 5. The rotating shaft 5 is connected to the second mounting hole 800 on the monitoring bracket 8 through a bolt, thereby fixing the monitoring bracket 8. After unscrewing the bolt, the position of the monitoring bracket 8 on the rotating shaft 5 can be adjusted.

[0030] Further refer to Figure 1 and Figure 3 , in an embodiment of the present utility model, the rope end assembly 2 includes a rope end rod 200 and a rope end spring 201. The rope end spring 201 is used to raise the rope end rod 200 when the steel wire rope elongates due to a decrease in tensile tension. The structure of the rope end assembly 2 is a well-known technology and will not be elaborated.

[0031] Continue to refer to Figure 1 , in an embodiment of the present utility model, the elastic member 10 is a torsion spring sleeved on the rotating shaft 5. When the impact receiving member 9 and the monitoring bracket 8 are swung upward by the impact of the rope end assembly 2 and drive the rotating shaft 5 to rotate, once the rope end assembly 2 is reset, the torsion spring drives the rotating shaft 5 to reset through torsion.

[0032] The working process of the present utility model: When the tension of a certain rope end assembly 2 decreases or jumps out of the rope groove, the rope end rod 200 moves upward under the action of the rope end spring 201 and hits the corresponding impact receiving member 9. The impact receiving member 9 drives the triggering member 6 to swing upward through the monitoring bracket 8 and the rotating shaft 5. The triggering member 6 triggers the sensor 7, and the sensor 7 sends a signal to the control system for alarm. After the rope end assembly 2 is reset, the torsion spring drives the rotating shaft 5 and the triggering member 6 to reset through torsion.

[0033] Although the embodiments of the present utility model 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 utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A traction wire rope jump-off monitoring device, comprising a mounting base (1), a plurality of rope head assemblies (2) arranged on the mounting base (1), and a monitoring assembly for monitoring the tension of the rope head assemblies (2), characterized in that, The monitoring component includes a mounting bracket, a rotating shaft (5), a triggering member (6), a sensor (7), a monitoring bracket (8), and an elastic member (10). The mounting bracket is arranged on the mounting base (1). The rotating shaft (5) is rotatably mounted on the mounting bracket. The sensor (7) is fixedly arranged. The triggering member (6) and the monitoring bracket (8) are arranged on the rotating shaft (5) and can rotate together with the rotating shaft (5). The triggering member (6) is used to trigger the sensor (7). The position of the monitoring bracket (8) corresponds to that of the rope end assembly (2). When the tension of the rope end assembly (2) decreases, it can impact the monitoring bracket (8), causing the monitoring bracket (8) to drive the rotating shaft (5) and the triggering member (6) to rotate, thereby enabling the triggering member (6) to trigger the sensor (7). The elastic member (10) acts on the rotating shaft (5) to reset the rotating shaft (5) after rotation.

2. The traction steel wire rope jump-off monitoring device according to claim 1, characterized in that, The mounting bracket includes two left and right adjusting seats (3) arranged on the mounting base (1) and two left and right fixing seats (4) respectively arranged on the adjusting seats (3). The rotating shaft (5) is rotatably mounted between the two fixing seats (4).

3. The traction wire rope jump-off monitoring device according to claim 2, characterized in that, One of the adjusting seat (3) and the mounting base (1) is provided with a waist-shaped hole (300), and the other is connected to the waist-shaped hole (300) through a fastener; one of the adjusting seat (3) and the fixing seat (4) is provided with a number of first mounting holes (400) arranged in an array, and the other is connected to the first mounting holes (400) through a fastener.

4. The traction wire rope breakaway monitoring device according to claim 1, characterized in that The sensor (7) is arranged on the mounting bracket. The triggering member (6) is arranged at the end of the rotating shaft (5), and the sensor (7) is located on the rotation path of the triggering member (6).

5. The traction wire rope jump-off monitoring device according to claim 1, characterized in that, The sensor (7) is a microswitch, and the triggering member (6) is a striker.

6. The traction wire rope jump-off monitoring device according to claim 1, characterized in that, A number of impact-bearing members (9) are arranged on the monitoring bracket (8), and the positions of the impact-bearing members (9) correspond to the position of the rope end assembly (2).

7. The traction steel wire rope breakaway monitoring device according to claim 6, wherein, A number of second mounting holes (800) are arranged in a row and at intervals on the monitoring bracket (8), and the impact-bearing members (9) are arranged on the second mounting holes (800).

8. The traction wire rope jump-off monitoring device according to claim 1, characterized in that The monitoring bracket (8) can adjust its position on the rotating shaft (5).

9. The traction steel wire rope jump-off monitoring device according to claim 1, characterized in that, The elastic member (10) is a torsion spring sleeved on the rotating shaft (5).

10. The traction steel wire rope jump-off monitoring device according to claim 1, characterized in that, The rope end assembly (2) includes a rope end rod (200) and a rope end spring (201). The rope end spring (201) is used to raise the rope end rod (200) when the steel wire rope elongates due to a decrease in tensile tension.

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