An elevator cable self-adaptive tensioning control device

Abstract

The utility model discloses a kind of elevator cable self-adapting tensioning control device, belong to cable tight control device technical field, it includes bottom plate, the bottom plate upper end face center rear is equipped with fixed plate, the bottom plate one side center front is equipped with control panel, the bottom plate upper end face one side rear is equipped with tensioning device, the tensioning device includes tensioning frame, the tensioning frame is arranged in fixed plate one side wall center, the recess is equipped in the bottom plate upper end face center rear, the recess inside center is equipped with tensioning wheel, the tensioning frame front end face center is equipped with support, in addition, the utility model, can according to the feedback signal that tension detection structure real-time gives, through servo motor drives control wheel to cable and carry out accurate control, guarantee cable in elevator operation each stage has stable suitable tensioning force, can respond cable tension change and adjust in time, guarantee the life and elevator operation safety of cable.

Description

Technical Field

[0001] This utility model belongs to the technical field of cable tension control devices, specifically an elevator cable adaptive tension control device. Background Technology

[0002] As a vertical transportation tool, elevators play a vital role in modern buildings. With the increase in building height and load capacity, the requirements for elevator safety and reliability are also getting higher and higher. As an important component connecting the elevator car and the counterweight, the tension of the elevator cable directly affects the smoothness and safety of the elevator operation.

[0003] The existing elevator cable tensioning devices have the following main shortcomings:

[0004] Existing elevator cable tensioning devices typically employ fixed tension or simple mechanical adjustment methods, such as mechanical spring structures or simple contact sensors. These methods can only respond to obvious tension changes and are unable to accurately detect subtle tension fluctuations. This may result in cable tension problems occurring during actual elevator operation, but due to the lag in detection, they may not be detected and addressed in time. These methods often fail to achieve precise tension control when faced with complex operating conditions and dynamic load changes. Utility Model Content

[0005] To overcome the above-mentioned defects, this utility model provides an elevator cable adaptive tension control device, which solves the problems in the prior art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an elevator cable adaptive tension control device, comprising: a base plate, a fixing plate provided at the rear center of the upper surface of the base plate, a control panel provided at the front center of one side of the base plate, and a tensioning device provided at the rear center of one side of the upper surface of the base plate.

[0007] The tensioning device includes a tensioning frame, which is located at the center of one side wall of the fixed plate. A groove is provided at the rear of the center of the upper end face of the tensioning frame. A tensioning wheel is provided at the center of the inside of the groove. A bracket is provided at the center of the front end face of the tensioning frame. A counterweight is provided at the center of the outer side wall of the bracket.

[0008] A tension detection structure is provided on one side of the center of the front end face of the fixed plate, and an adjustment structure is provided on the other side of the center of the front end face of the fixed plate.

[0009] As a further embodiment of this utility model: the tension detection structure includes a force-bearing wheel, which is located on the upper side of the front end face of the fixed plate. The lower end of the force-bearing wheel is provided with positioning wheels on both sides of the front end face of the fixed plate, and a tension sensor is provided on the upper side of the rear end face of the fixed plate.

[0010] As a further embodiment of this utility model: the control structure includes a servo motor, which is located at the center of the rear end face of the fixed plate on one side. The output end of the servo motor passes through the rear end face of the fixed plate and extends to the front end of the fixed plate. A rotating block is fixedly connected to the end of the servo motor. Three mounting brackets are arranged in a ring on the outer side wall of the rotating block. Each of the three mounting brackets has a control wheel at its center.

[0011] As a further embodiment of this utility model: each of the three mounting brackets has a rotating shaft at the center of its front end face. One end of each of the three rotating shafts passes through the front end face of the three mounting brackets and the rear end face of the three adjusting wheels, and extends into the interior of the three mounting brackets. The ends of each shaft are rotatably connected to the rear end face of the three mounting brackets.

[0012] As a further embodiment of this utility model: one end of the tension sensor passes through the rear end face of the fixing plate and extends to the front end face of the base plate, and the end is fixedly connected to one end of the force-bearing wheel.

[0013] As a further embodiment of this utility model: threaded mounting holes are provided at the four opposite corners of the upper surface of the base plate.

[0014] As a further embodiment of this utility model: a rotating shaft is provided at the center of the front end face of the force-bearing wheel and at the center of the front end faces of the two positioning wheels. One end of each of the three rotating shafts passes through the front end face of the force-bearing wheel and the front end face of the two positioning wheels in sequence and extends to the rear end face of the two positioning wheels. The ends are rotatably connected to the rear end face of the force-bearing wheel and the rear end face of the two positioning wheels.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model can accurately sense the tension changes of the cable caused by elevator operation through the tension detection structure. Based on the real-time feedback signal given by the tension detection structure, the servo motor drives the control wheel to accurately adjust the cable, ensuring that the cable has a stable and appropriate tension at all stages of elevator operation. It can respond to and adjust the cable tension changes in a timely manner, ensuring the cable life and elevator operation safety.

[0017] 2. This utility model, through the counterweight, bracket and tensioning wheel, can automatically and adaptively adjust the tension in real time according to the different tension of the cable, which can better cope with the cable tension changes caused by various factors during elevator operation. In addition, by using the force wheel and the positioning wheel, the positioning wheel not only ensures stable contact between the cable and the force wheel, but also assists the force wheel to make the tension detection more accurate. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2This is a three-dimensional structural diagram of the present invention from another perspective;

[0020] Figure 3 This is a schematic diagram of the orthographic section of the present invention;

[0021] Figure 4 This is a three-dimensional cross-sectional structural diagram of the present invention.

[0022] In the diagram: 1. Base plate; 2. Fixing plate; 3. Control panel; 4. Tensioning device; 401. Tensioning frame; 402. Tensioning wheel; 403. Bracket; 404. Counterweight; 405. Groove; 5. Tension detection structure; 501. Force-bearing wheel; 502. Positioning wheel; 503. Tension sensor; 504. Rotating shaft; 6. Adjustment structure; 601. Servo motor; 602. Rotating block; 603. Mounting bracket; 604. Adjustment wheel; 605. Rotating shaft. Detailed Implementation

[0023] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0024] like Figures 1-4 As shown, this utility model provides a technical solution:

[0025] An elevator cable adaptive tension control device includes:

[0026] A base plate 1 has a fixed plate 2 located at the rear center of its upper surface. A control panel 3 is located at the front center of one side of the base plate 1. Threaded mounting holes are located at the four opposite corners of the upper surface of the base plate 1. A tensioning device 4 is located at the rear center of one side of the upper surface of the base plate 1. The tensioning device 4 includes a tensioning frame 401, which is located at the center of one side wall of the fixed plate 2. A groove 405 is located at the rear center of the upper surface of the tensioning frame 401. A tensioning wheel 402 is located at the center of the groove 405. A bracket 403 is located at the center of the front face of the tensioning frame 401. A counterweight 404 is located at the center of the outer wall of the bracket 403. The tensioning wheel 402 provides a certain tension force to the elevator cable. During elevator operation, the cable tension may change due to various factors. The counterweight 404 acts on the tensioning wheel 402 through the bracket 403, allowing it to adaptively adjust the tension according to different cable tension conditions, ensuring that the cable is always in a suitable tension state.

[0027] A tension detection structure 5 is provided on one side of the center of the front face of the fixed plate 2. The tension detection structure 5 includes a force-receiving wheel 501, which is located on the upper side of one side of the front face of the fixed plate 2. Positioning wheels 502 are provided on both sides of the front face of the fixed plate 2 near the lower end of the force-receiving wheel 501. A tension sensor 503 is provided on the upper side of one side of the rear face of the fixed plate 2. One end of the tension sensor 503 passes through the rear face of the fixed plate 2 and extends to the front face of the bottom plate 1, and the end is fixedly connected to one end of the force-receiving wheel 501. A rotating shaft 504 is provided at the center of the front face of the force-receiving wheel 501 and at the center of the front face of the two positioning wheels 502. One end of each of the three rotating shafts 504 passes through the force-receiving wheel 501 in sequence. The front end face of 01 connects to the rear end face of the two positioning wheels 502, and the ends are rotatably connected to the rear end face of the force-bearing wheel 501 and the rear end face of the two positioning wheels 502, respectively. When the tension of the elevator cable changes, the cable acts on the force-bearing wheel 501, and the force-bearing wheel 501 rotates or displaces accordingly. The change of the force-bearing wheel 501 can be sensed by the tension sensor 503 in time. At the same time, the positioning wheels 502 play a role in positioning the cable, ensuring that the cable is in stable contact with the force-bearing wheel 501. The two positioning wheels 502 assist the force-bearing wheel 501, so that the cable can always act well on the force-bearing wheel 501 during normal operation to accurately detect the tension.

[0028] A control structure 6 is provided on one side of the center of the front end face of the fixed plate 2. The control structure 6 includes a servo motor 601, which is located on one side of the center of the rear end face of the fixed plate 2. The output end of the servo motor 601 passes through the rear end face of the fixed plate 2 and extends to the front end of the fixed plate 2. A rotating block 602 is fixedly connected to the end of the servo motor 601. Three mounting brackets 603 are arranged in a ring on the outer wall of the rotating block 602. Each of the three mounting brackets 603 has a control wheel 604 at its center. Each of the three mounting brackets 603 has a rotating shaft 605 at its center of the front end face. One end of each of the three rotating shafts 605 passes through the front end face of the three mounting brackets 603 and the three control wheels 604 respectively. The rear end face of the cable extends into the interior of the three mounting brackets 603, and the ends are rotatably connected to the rear end face of the three mounting brackets 603. When the tension sensor 503 detects that the cable tension exceeds or falls below the set range, it transmits a signal to the control panel 3. After receiving the signal, the control panel 3 controls the servo motor 601 to work. The servo motor 601 drives the rotating block 602 to rotate, and the mounting brackets 603 arranged in a ring on the outer wall of the rotating block 602 also rotate accordingly. The adjustment wheel 604 in the mounting bracket 603 rotates and moves accordingly. Through contact and action with the cable, the tension of the cable is adjusted, thereby realizing adaptive tension control of the elevator cable.

[0029] The working principle of this utility model is as follows:

[0030] The tensioning wheel 402 provides a certain tension to the elevator cable. During elevator operation, the cable tension may change due to various factors. The counterweight 404 acts on the tensioning wheel 402 through the bracket 403, allowing it to adaptively adjust the tension according to different cable tension conditions, ensuring the cable is always in a suitable tension state. When the elevator cable tension changes, the cable acts on the force-bearing wheel 501, causing the force-bearing wheel 501 to rotate or displace accordingly. Changes in the force-bearing wheel 501 are promptly detected by the tension sensor 503. Simultaneously, the positioning wheel 502 positions the cable, ensuring stable contact between the cable and the force-bearing wheel 501. A positioning wheel 502 assists the force-bearing wheel 501, ensuring that the cable always acts well on the force-bearing wheel 501 during normal operation to accurately detect tension. When the tension sensor 503 detects that the cable tension exceeds or falls below the set range, it transmits a signal to the control panel 3. After receiving the signal, the control panel 3 controls the servo motor 601 to work, which drives the rotating block 602 to rotate. The mounting bracket 603 arranged in a ring on the outer wall of the rotating block 602 also rotates accordingly. The adjusting wheel 604 in the mounting bracket 603 rotates and moves accordingly, adjusting the cable tension through contact and action with the cable, thereby achieving adaptive tension control of the elevator cable.

[0031] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An elevator cable adaptive tension control device, characterized in that, include: The base plate (1) has a fixing plate (2) located at the rear center of the upper end face of the base plate (1), a control panel (3) located at the front center of one side of the base plate (1), and a tensioning device (4) located at the rear center of one side of the upper end face of the base plate (1). The tensioning device (4) includes a tensioning frame (401), which is located at the center of one side wall of the fixed plate (2). A groove (405) is provided at the rear of the center of the upper end face of the tensioning frame (401). A tensioning wheel (402) is provided at the center of the inside of the groove (405). A bracket (403) is provided at the center of the front end face of the tensioning frame (401). A counterweight (404) is provided at the center of the outer side wall of the bracket (403). The fixing plate (2) has a tension detection structure (5) on one side of the center of the front end face, and an adjustment structure (6) on the other side of the center of the front end face.

2. The elevator cable adaptive tension control device according to claim 1, characterized in that: The tension detection structure (5) includes a force-receiving wheel (501), which is located on the upper side of the front end face of the fixed plate (2). The lower end of the force-receiving wheel (501) is provided with positioning wheels (502) on both sides of the front end face of the fixed plate (2). The tension sensor (503) is provided on the upper side of the rear end face of the fixed plate (2).

3. The elevator cable adaptive tension control device according to claim 1, characterized in that: The control structure (6) includes a servo motor (601), which is located at the center of the rear end face of the fixed plate (2) on one side. The output end of the servo motor (601) passes through the rear end face of the fixed plate (2) and extends to the front end of the fixed plate (2). A rotating block (602) is fixedly connected to the end of the servo motor (601). Three mounting brackets (603) are arranged in a ring on the outer side wall of the rotating block (602). Each of the three mounting brackets (603) has a control wheel (604) at its center.

4. The elevator cable adaptive tension control device according to claim 3, characterized in that: Each of the three mounting brackets (603) has a rotating shaft (605) at the center of its front end face. One end of each of the three rotating shafts (605) passes through the front end face of the three mounting brackets (603) and the rear end face of the three adjusting wheels (604) and enters the interior of the three mounting brackets (603). The ends of each shaft are rotatably connected to the rear end face of the three mounting brackets (603).

5. The elevator cable adaptive tension control device according to claim 2, characterized in that: One end of the tension sensor (503) passes through the rear end face of the fixing plate (2) and extends to the front end face of the base plate (1), and the end is fixedly connected to one end of the force wheel (501).

6. The elevator cable adaptive tension control device according to claim 1, characterized in that: The base plate (1) has threaded mounting holes at the four opposite corners of its upper surface.

7. The elevator cable adaptive tension control device according to claim 2, characterized in that: A rotating shaft (504) is provided at the center of the front end face of the force-receiving wheel (501) and at the center of the front end face of the two positioning wheels (502). One end of each of the three rotating shafts (504) passes through the front end face of the force-receiving wheel (501) and the front end face of the two positioning wheels (502) and extends to the rear end face of the two positioning wheels (502). The ends are rotatably connected to the rear end face of the force-receiving wheel (501) and the rear end face of the two positioning wheels (502).

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