Multifunctional detection device for rope breakage and weighing of elevator

Abstract

The utility model provides a multifunctional elevator rope breakage and weighing detection device, and relates to the technical field of elevator safety detection, the multifunctional elevator rope breakage and weighing detection device comprises a first fixing support and a second fixing support, and the first fixing support and the second fixing support are used for being installed on different rope head assemblies respectively; a trigger bolt is connected to the first fixing support in a penetrating mode, the bottom end of the trigger bolt corresponds to the position of the second fixing support, and an electric appliance switch is arranged above the trigger bolt. Through the arrangement of the first fixing support, the second fixing support and the electric appliance switch, the first fixing support and the second fixing support are installed on the two different rope head assemblies correspondingly, so that when any one of the two rope head assemblies ascends, a trigger bolt can be driven to ascend, the electric appliance switch is jacked through the trigger bolt, and the electric appliance switch is driven to rotate; therefore, triggering of an electric appliance switch is achieved, and each rope can monitor a rope breaking signal.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator safety detection, in particular to a multifunctional detection device for elevators including rope breakage and weighing. Background Art

[0002] With the continuous emergence of high-rise buildings, elevators, as an indispensable means of vertical transportation in modern urban life, have received unprecedented attention for their safety and reliability. In elevator systems, wire ropes or steel belts, as key components connecting the traction machine and the elevator car or counterweight, bear the critical tasks of load bearing and transmission. However, due to factors such as long-term operation, wear, corrosion, and improper installation and maintenance, wire ropes or steel belts may break or become loose, which poses safety hazards and seriously threatens the personal safety of elevator passengers and maintenance personnel.

[0003] To promptly detect and address these potential safety issues, traditional elevator systems are typically equipped with rope breakage and slack detection devices. However, these devices often have many limitations in practical applications: The design of multiple rope end assemblies sharing a single limit plate and detection switch, while simplifying the system structure to a certain extent, also introduces new problems. When a rope breaks or sags, the limit plate and detection switch may not activate in time due to the support provided by other intact ropes, rendering the detection device ineffective and unable to effectively provide early warning. Therefore, we have made improvements to this problem and proposed a multifunctional elevator rope breakage detection device with both rope breakage detection and weighing. Summary of the Invention

[0004] The purpose of the utility model is to address the problem that when a rope breaks or becomes loose, the limit plate and the detection switch may not be able to operate in time due to the support of other intact ropes in the existing design in which multiple rope end assemblies share one limit plate and a detection switch.

[0005] In order to achieve the above-mentioned purpose of the invention, the utility model provides a multifunctional detection device for elevator including rope breakage and weighing to improve the above-mentioned problem.

[0006] The specific application is as follows:

[0007] A multifunctional detection device for elevator rope breakage and weighing includes a first fixed bracket and a second fixed bracket. The first fixed bracket and the second fixed bracket are respectively used to be installed on different rope end assemblies. A trigger bolt is inserted into the first fixed bracket, and the bottom end of the trigger bolt corresponds to the position of the second fixed bracket. An electrical switch is provided above the trigger bolt.

[0008] As a preferred technical solution of the present application, the electrical switch is connected to the control system of the elevator.

[0009] As a preferred technical solution of the present application, the second fixing bracket is bent so that one end of the second fixing bracket close to the trigger bolt extends below the trigger bolt.

[0010] As a preferred technical solution of the present application, a safety gap is left between the top of the trigger bolt and the electrical switch.

[0011] As a preferred technical solution of the present application, the electrical switch is connected to a switch bracket, and the switch bracket is used to support the electrical switch.

[0012] As a preferred technical solution of the present application, the outer surface fixing sleeve of the trigger bolt is provided with a third fixing bracket, and a shift plate is provided on one side of the third fixing bracket, and the shift plate is also used to connect with the rope head assembly.

[0013] As a preferred technical solution of the present application, a rope end plate is connected to the bottom of the switch bracket, and the rope end plate is used to install the rope end assembly.

[0014] As a preferred technical solution of the present application, a weighing detection part is provided between the second fixed bracket and the rope head plate, and the weighing detection part is used to detect the weight of the car.

[0015] As a preferred technical solution of the present application, the weighing detection part includes a weighing sensor block and a weighing switch. The weighing sensor block is located above the weighing switch, and the weighing sensor block is installed on the second fixed bracket.

[0016] As a preferred technical solution of the present application, the weighing switch is connected to a support frame, the support frame is installed on the rope head plate, and the weighing switch is connected to the control system of the elevator.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the scheme of this application:

[0019] In order to solve the problem in the prior art that multiple rope head assemblies share a limit plate and detection switch, when a rope breaks or slackens, the limit plate and detection switch may not be able to operate in time due to the support of other intact ropes. The present application provides a first fixed bracket, a second fixed bracket and an electrical switch. The first fixed bracket and the second fixed bracket are respectively installed on two different rope head assemblies, so that when any one of the two rope head assemblies rises, it can drive the trigger bolt to rise, and the trigger bolt pushes the electrical switch to trigger the electrical switch, so that each rope can monitor the broken rope signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the multifunctional detection device for elevator rope breakage and weighing provided in this application;

[0021] Figure 2 A schematic diagram of the structure of the second fixed bracket of the elevator provided by this application, including the multifunctional detection device for broken rope and weighing;

[0022] Figure 3 A schematic diagram of the structure of a weighing switch for an elevator provided in this application, including a multifunctional detection device for broken rope and weighing;

[0023] Figure 4 A schematic diagram of the structure of the dial plate provided in this application.

[0024] Indicated in the figure:

[0025] 1. Rope end plate; 3. Switch bracket; 301. Electrical switch; 302. First fixed bracket; 303. Second fixed bracket; 304. Trigger bolt; 4. Weighing sensor block; 401. Weighing switch; 402. Support frame; 6. Dial plate; 7. Third fixed bracket. DETAILED DESCRIPTION

[0026] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0027] As described in the background technology, traditional elevator systems are usually equipped with rope breakage and slack detection devices. However, these devices often have many limitations in actual applications: the design of multiple rope end assemblies sharing a limit plate and detection switch, although it simplifies the system structure to a certain extent, it also brings new problems. When a rope breaks or slackens, due to the support of other intact ropes, the limit plate and detection switch may not be able to operate in time, resulting in the failure of the detection device and the inability to effectively play a warning role.

[0028] In order to solve this technical problem, the utility model provides a multifunctional detection device for an elevator including rope breakage and weighing, which is applied to the safety detection of the elevator.

[0029] Specifically, please refer to Figure 1-Figure 3 The multifunctional detection device for elevator rope breaking and weighing specifically includes:

[0030] The first fixing bracket 302 and the second fixing bracket 303 are respectively used to be installed on different rope head components. A trigger bolt 304 is inserted into the first fixing bracket 302. The bottom end of the trigger bolt 304 corresponds to the position of the second fixing bracket 303. An electrical switch 301 is provided above the trigger bolt 304.

[0031] The elevator provided by the present invention includes a multifunctional detection device for rope breakage and weighing. The present application provides a first fixed bracket 302, a second fixed bracket 303 and an electrical switch 301. The first fixed bracket 302 and the second fixed bracket 303 are respectively installed on two different rope end assemblies, so that when any one of the two rope end assemblies rises, it can drive the trigger bolt 304 to rise, and the electrical switch 301 is pushed by the trigger bolt 304 to trigger the electrical switch 301, so that each rope can monitor the rope breakage signal.

[0032] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0035] Example 1, please refer to Figure 1-Figure 3 , a multifunctional detection device for an elevator with rope breakage and weighing, includes a first fixed bracket 302 and a second fixed bracket 303, the first fixed bracket 302 and the second fixed bracket 303 are respectively used to be installed on different rope end assemblies, a trigger bolt 304 is inserted and connected to the first fixed bracket 302, the bottom end of the trigger bolt 304 corresponds to the position of the second fixed bracket 303, and an electrical switch 301 is provided above the trigger bolt 304. The present application provides the first fixed bracket 302, the second fixed bracket 303 and the electrical switch 301, and the first fixed bracket 302 and the second fixed bracket 303 are respectively installed on two different rope end assemblies, so that when any one of the two rope end assemblies rises, it can drive the trigger bolt 304 to rise, and the trigger bolt 304 pushes the electrical switch 301 to trigger the electrical switch 301, so that each rope can monitor the rope break signal.

[0036] The trigger bolt 304 floats vertically, and is driven upward by the first fixing bracket 302 or the second fixing bracket 303 to lift the electrical switch 301. Under normal circumstances, the trigger bolt 304 falls by its own weight. A nut is provided at the bottom of the trigger bolt 304 to prevent the trigger bolt 304 from separating from the first fixing bracket 302, ensuring the high stability and reliability of the trigger bolt 304. The vertical floating design enables the trigger bolt 304 to sensitively respond to the displacement changes of the rope head assembly, and the provision of the nut effectively prevents the trigger bolt from accidentally falling off during operation, thereby ensuring the long-term stable operation of the entire detection device. This design reduces the equipment's failure rate, reduces the difficulty and cost of maintenance work, and also improves the safety and reliability of elevator operation.

[0037] Furthermore, the electrical switch 301 is connected to the elevator control system and can transmit the detected rope break signal to the elevator control system in real time, so that the control system can respond quickly, such as emergency braking, sounding an alarm, etc., thereby effectively avoiding the occurrence of accidents or further deterioration. This timely signal transmission and response mechanism greatly improves the safety and reliability of the elevator and provides stronger protection for the safety of passengers' lives.

[0038] Further, such as Figure 1-Figure 3 As shown, the second fixing bracket 303 is bent so that one end of the second fixing bracket 303 close to the trigger bolt 304 extends below the trigger bolt 304. This bending design optimizes the structural layout and significantly improves the sensitivity and accuracy of detection. By extending one end of the second fixing bracket 303 to below the trigger bolt 304, the displacement change of the rope head assembly can be transmitted more directly and effectively, reducing signal loss and delay, so that the detection device can respond to rope breakage more quickly and accurately.

[0039] Further, such as Figure 2 As shown, a safety gap is left between the top of the trigger bolt 304 and the electrical switch 301, so that when the elevator is operating normally, the weighing sensor block 4 will not trigger the electrical switch 301, effectively avoiding false triggering of the elevator during normal operation, ensuring the stability and reliability of the elevator operation. The setting of the safety gap can filter out tiny vibrations and displacements in normal operation, ensuring that the electrical switch 301 will only be triggered when an abnormal situation such as a real rope break occurs, thereby reducing unnecessary downtime and maintenance, and improving the operation efficiency and service quality of the elevator.

[0040] Further, such as Figure 1 As shown, the electrical switch 301 is connected to a switch bracket 3 , and the switch bracket 3 is used to support the electrical switch 301 .

[0041] Further, such as Figure 1As shown, a rope end plate 1 is connected to the bottom of the switch bracket 3, and the rope end plate 1 is used to install the rope end assembly.

[0042] Example 2, the multifunctional detection device for elevator with broken rope and weighing provided in Example 1 is further optimized, such as Figure 4 As shown, the outer surface of the trigger bolt 304 is fixed with a third fixing bracket 7, and a dial plate 6 is provided on one side of the third fixing bracket 7. The dial plate 6 is also used to connect with the rope head assembly. This application can be used in Figure 1 The two groups of steel belts shown are also applicable to more than two groups of steel belts by providing a corresponding number of dial plates 6 and third fixing brackets 7. This allows any one of the steel belts to be loosened or broken by operating the same electrical switch 301 to stop the elevator. This significantly expands the scope of application of the device, improves its versatility and flexibility, and can adapt to different groups of steel belts, meeting the needs of more types of elevators and reducing the difficulty of equipment selection and installation.

[0043] Example 3 further optimizes the multifunctional detection device for elevator rope breaking and weighing provided in Example 1 or 2. Specifically, Figure 1 and Figure 3 As shown, a weighing detection part is provided between the second fixed bracket 303 and the rope head plate 1. The weighing detection part is used to realize the detection of the car weight, realizes the accurate detection of the car weight, and provides another important guarantee for the safe operation of the elevator. By monitoring the weight of the car in real time, overweight conditions can be discovered in time, avoiding damage to elevator components, operation failures and even safety accidents caused by overloading.

[0044] Further, such as Figure 1 As shown, the weighing detection part includes a weighing sensor block 4 and a weighing switch 401. The weighing sensor block 4 is located above the weighing switch 401, and the weighing sensor block 4 is installed on the second fixed bracket 303. When the car is overweight, the rope end spring is compressed, driving the second fixed bracket 303 to move downward, and its weighing sensor block 4 moves downward. The distance between the weighing sensor block 4 and the weighing switch 401 changes, and a current signal is generated. The current signal is transmitted to the control system to confirm whether it is overloaded, detect the weighing signal, and ensure that the elevator is not overloaded. This design of generating current signals based on distance changes has extremely high sensitivity and accuracy. It can issue an alarm in time at the moment the car is overweight, so that the control system can quickly take braking or other corresponding measures, effectively avoiding the serious consequences that may be caused by overloading.

[0045] Further, such as Figure 1As shown, the weighing switch 401 is connected to a support frame 402, and the support frame 402 is installed on the rope head plate 1. The support frame 402 and the switch bracket 3 can be installed in the same vertical direction, which greatly saves the installation space and optimizes the structural layout inside the elevator. The installation method in the same vertical direction not only reduces the space occupation, but also makes the connection between the components more compact and neat, which is convenient for maintenance and inspection.

[0046] Furthermore, the weighing switch 401 is connected to the control system of the elevator, and can transmit the weighing information to the elevator control system in a timely and accurate manner, thereby realizing precise control and effective management of the elevator operation. The control system can optimize and adjust the elevator's operating speed, stop floors, etc. according to the information provided by the weighing switch 401, to ensure that the elevator operates in a safe and stable state.

[0047] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0048] Obviously, the embodiments described above are only some of the embodiments of the present invention, rather than all of the embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned specific embodiments, or to make equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the present invention specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the present invention patent.

Claims

1. A multifunctional detection device for elevator rope breakage and weighing, characterized in that: The invention comprises a first fixing bracket (302) and a second fixing bracket (303), wherein the first fixing bracket (302) and the second fixing bracket (303) are respectively used for being installed on different rope head assemblies, a trigger bolt (304) is inserted and connected to the first fixing bracket (302), the bottom end of the trigger bolt (304) corresponds to the position of the second fixing bracket (303), and an electrical switch (301) is arranged above the trigger bolt (304).

2. The multifunctional detection device for elevator rope breakage and weighing according to claim 1, characterized in that: The electrical switch (301) is connected to the control system of the elevator.

3. The multifunctional detection device for elevator rope breakage and weighing according to claim 1, characterized in that: The second fixing bracket (303) is bent so that one end of the second fixing bracket (303) close to the trigger bolt (304) extends below the trigger bolt (304).

4. The multifunctional detection device for elevator rope breakage and weighing according to claim 1, characterized in that: A safety gap is left between the top of the trigger bolt (304) and the electrical switch (301).

5. The multifunctional detection device for elevator rope breakage and weighing according to claim 1, characterized in that: The electrical switch (301) is connected to a switch bracket (3), and the switch bracket (3) is used to support the electrical switch (301).

6. The multifunctional detection device for elevator rope breakage and weighing according to claim 1, characterized in that: The outer surface fixing sleeve of the trigger bolt (304) is provided with a third fixing bracket (7), and a dial plate (6) is provided on one side of the third fixing bracket (7). The dial plate (6) is also used to connect with the rope head assembly.

7. The multifunctional detection device for elevator rope breakage and weighing according to claim 5, characterized in that: The bottom of the switch bracket (3) is connected to a rope end plate (1), and the rope end plate (1) is used for installing a rope end assembly.

8. The multifunctional detection device for elevator rope breakage and weighing according to claim 7, characterized in that: A weighing detection unit is provided between the second fixing bracket (303) and the rope head plate (1), and the weighing detection unit is used to detect the weight of the car.

9. The multifunctional detection device for elevator rope breakage and weighing according to claim 8, characterized in that: The weighing detection unit comprises a weighing induction block (4) and a weighing switch (401), wherein the weighing induction block (4) is located above the weighing switch (401), and the weighing induction block (4) is mounted on a second fixed bracket (303).

10. The multifunctional detection device for elevator rope breakage and weighing according to claim 9, characterized in that: The weighing switch (401) is connected to a support frame (402), and the support frame (402) is installed on the rope head plate (1); the weighing switch (401) is connected to the control system of the elevator.

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