Double-wheel directional rope guide wheel shaft with tensioning sleeve device

Abstract

The utility model relates to the technical field of double-wheel directional rope guide wheel shafts, and provides a double-wheel directional rope guide wheel shaft with a tensioning sleeve device, which comprises two upper beams, the upper ends of the two upper beams are fixedly connected with a fixed seat, and gravity traction components are symmetrically arranged between the two upper beams and are used for adjusting the gravity difference of a steel rope. Two steel rope adjusting assemblies are arranged between the two gravity traction assemblies and used for adjusting the tightening degree of a steel rope, transmission assemblies are arranged at the rear ends of the two steel rope adjusting assemblies and used for conducting lifting transmission on the steel rope adjusting assemblies, and each gravity traction assembly comprises a buffer pad arranged on the outer walls of the inner sides of the two upper beams; the two buffering cushions are provided with protection frames, the inner wall of the first diversion sheave is fixedly connected with a second expansion sleeve, and the second diversion sheave is fixedly connected with a second expansion sleeve, so that the friction force of the first diversion sheave and the second diversion sheave is increased, the operation stability of the steel rope is improved, adjustment of the steel rope is achieved, and the operation stability of the steel rope is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a double-wheel directional rope-guiding wheel shaft, and in particular to a double-wheel directional rope-guiding wheel shaft with a tensioning sleeve device. Background Art

[0002] The anti-rope pulley refers to the movable pulley usually installed on the top of the car frame and the counterweight frame. Its main function is to reduce the output power and torque of the traction machine and control the tension and position of the traction rope. The anti-rope pulley is usually installed on the movable pulley at the top of the car and the top of the counterweight, as well as the fixed pulley in the machine room.

[0003] A Chinese patent discloses a car top anti-ropes device with a double-wheel structure, with the publication number CN210735911U. The article proposes "a car top anti-ropes device with a double-wheel structure, wherein a wheel frame upper connecting plate is fixedly installed at the bottom of the upper beam by bolts, and two C-shaped anti-ropes wheel frames with the same structure are symmetrically fixedly installed on both sides of the upper connecting plate, and the anti-ropes wheel frames and the upper beam are arranged perpendicular to each other, and the openings of the anti-ropes wheel frames are all facing outwards, and the anti-ropes wheel frames also include a fixed plate fixedly installed therein, and the top surface of the fixed plate is fixedly welded to the end of the connecting plate, and the top of the connecting plate is fixedly welded to the top inner wall of the anti-ropes wheel frame, and the fixed plate is fixedly connected to the shock-absorbing beam, and a shock-absorbing pad is arranged between the fixed plate and the shock-absorbing beam, and the two ends of the shock-absorbing beam are symmetrically installed through the wheel axle There is a return rope pulley. The utility model adopts a top-hanging double-wheel structure, which increases the wrap angle of the traction wheel, more effectively ensures the traction force, has a stable structure, and the elevator runs more smoothly. During the use of the above-mentioned utility model, a shock-absorbing pad is arranged between the fixed plate and the shock-absorbing beam, so that the return rope pulleys at both ends of the shock-absorbing beam are more stable during use, thereby improving the operation efficiency of the elevator. However, the return rope pulley needs to balance the weight difference between the transport ropes during daily use to reduce the load generated when the elevator is running. When the return rope pulley is used for a long time or the load is heavy, it may cause the return rope pulley shaft to loosen, thereby causing slippage between the return rope pulley and the rope, and then causing accidents such as loose transport ropes. Therefore, it is necessary to design a double-wheel directional rope guide pulley shaft with a tensioning sleeve device. Utility Model Content

[0004] The purpose of the utility model is to provide a double-wheel directional rope guide wheel shaft with a tensioning sleeve device, which solves the problem that the anti-rope wheel in the related technology needs to balance the weight difference between the transport steel ropes during daily use, thereby reducing the weight generated when the elevator is running. When the anti-rope wheel is used for a long time or the load is heavy, it may cause the anti-rope wheel shaft to loosen, thereby causing slippage between the anti-rope wheel and the rope, and further causing unexpected problems such as loosening of the transport steel rope.

[0005] The technical solution of the utility model is as follows:

[0006] A double-wheel directional rope-guiding sheave with a tensioning sleeve device comprises two upper beams, the upper ends of the two upper beams are fixedly connected to a fixing seat, a gravity traction assembly is symmetrically arranged between the two upper beams for adjusting the gravity difference of the steel rope, two steel rope adjustment assemblies are arranged between the two gravity traction assemblies for adjusting the tightness of the steel rope, and a transmission assembly is arranged at the rear end of the two steel rope adjustment assemblies for lifting and lowering the steel rope adjustment assembly.

[0007] The gravity traction assembly comprises a buffer pad arranged on the inner outer walls of two upper beams, and the two buffer pads are provided with a protective frame.

[0008] Preferably, the gravity traction assembly also includes a rotating shaft that passes through and is rotatably connected to the outer walls on both sides of the protective frame, the rotating shaft passes through the two buffer pads and is rotatably connected thereto, and both ends of the rotating shaft are rotatably connected to the inner outer walls of the two upper beams.

[0009] Preferably, the gravity traction assembly also includes a first expansion sleeve arranged at the inner center of the protective frame, the first expansion sleeve is fixedly connected to the outer wall of the rotating shaft, the outer wall of the first expansion sleeve is fixedly connected to the first anti-rope pulley, the outer walls of the two upper beams are threadedly connected with a plurality of first fixing screws, the plurality of first fixing screws are vertically equidistantly distributed on the outer side of the upper beam, and the other ends of the plurality of first fixing screws are threadedly connected to the buffer pad and the inner wall of the protective frame in turn.

[0010] Preferably, the steel rope adjustment assembly comprises a second deflecting pulley arranged at the bottom end between the two upper beams, the inner wall of the second deflecting pulley is fixedly connected to a second expansion sleeve, and the inner wall of the second expansion sleeve is fixedly connected to a rotating rod.

[0011] Preferably, the steel rope adjustment assembly also includes four sliding grooves penetrating the outer walls of the two upper beams, the two ends of the two rotating rods penetrate the inner walls of the four sliding grooves and are slidably connected thereto, the front end of the rotating rod is rotatably connected to a hexagonal fixed disk, the outer wall of the hexagonal fixed disk is threadedly connected to a plurality of second fixing screws, the plurality of second fixing screws are annularly arrayed on the outer wall of the hexagonal fixed disk, and the rear end outer wall of the second fixing screws is threadedly connected to the outer wall of the front upper beam.

[0012] Preferably, the transmission assembly includes a fixed box fixedly connected to the outer wall of the rear end of the rear upper beam, a motor on the inner wall of the left top end of the fixed box, the output end of the motor is fixedly connected to a first screw rod, the outer wall of the first screw rod is fixedly connected to a first sprocket, a first threaded sleeve is provided below the first sprocket, the first threaded sleeve is threadedly connected to the outer wall of the first screw rod, and the rear end of the rotating rod on the left side is rotatably connected to the outer wall of the first threaded sleeve.

[0013] Preferably, the transmission assembly also includes a second screw rod arranged on the right side of the first screw rod, both ends of the second screw rod are rotatably connected to the inner walls on both sides of the fixed box, the outer wall of the second screw rod is fixedly connected to the second sprocket, the outer wall of the second sprocket is meshed with a chain, and the left end of the chain is meshed with the outer wall of the first sprocket.

[0014] Preferably, the transmission assembly also includes a second threaded sleeve arranged below the second sprocket, the second threaded sleeve is threadedly connected to the outer wall of the second screw rod, and the rear end of the right rotating rod is rotatably connected to the outer wall of the second threaded sleeve.

[0015] Beneficial effects of the utility model:

[0016] The first screw rod is driven to rotate by the output end of the motor, and the first screw rod drives the first threaded sleeve to perform threaded motion. At the same time, the first screw rod drives the first sprocket to rotate, and the chain is driven to mesh and rotate by the first sprocket, and the second sprocket is driven to mesh and rotate by the chain, and then the second screw rod is driven to rotate by the second sprocket, and the second threaded sleeve drives the second threaded sleeve to move, and the first threaded sleeve and the second threaded sleeve simultaneously drive the rotating rod to move vertically on the slide groove, so as to adjust the slack of the steel rope. When the steel rope is slack, the second anti-rope wheel is moved downward to make the steel rope straight. When the steel rope is over-tightened, the second anti-rope wheel is moved upward to make the steel rope slack, thereby realizing the adjustment of the slack of the steel rope. At the same time, the inner wall of the first anti-rope wheel is fixedly connected with the second expansion sleeve, and the second anti-rope wheel is fixedly connected with the second expansion sleeve to increase the friction of the first anti-rope wheel and the second anti-rope wheel, thereby increasing the stability of the operation of the steel rope, thereby realizing the adjustment of the steel rope and improving the stability of the operation of the steel rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a rear-view cross-sectional three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model in front view;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the steel rope adjustment component of the utility model;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the gravity traction part of the utility model;

[0023] In the figure: 1, upper beam; 2, fixed seat; 3, gravity traction assembly; 301, buffer pad; 302, protection frame; 303, rotating shaft; 304, first expansion sleeve; 305, first anti-rope pulley; 306, first fixed screw; 4, steel rope adjustment assembly; 401, rotating rod; 402, second expansion sleeve; 403, second anti-rope pulley; 404, slide groove; 405, hexagonal fixed plate; 406, second fixed screw; 5, transmission assembly; 501, fixed box; 502, motor; 503, first screw rod; 504, first sprocket; 505, chain; 506, first threaded sleeve; 507, second sprocket; 508, second screw rod; 509, second threaded sleeve. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-5As shown, this embodiment proposes a double-wheel directional rope-guiding wheel shaft with a tensioning sleeve device, including two upper beams 1, the upper ends of the two upper beams 1 are fixedly connected with a fixing seat 2, a gravity traction assembly 3 is symmetrically arranged between the two upper beams 1, which is used to adjust the gravity difference of the steel rope, and two steel rope adjustment assemblies 4 are arranged between the two gravity traction assemblies 3, which are used to adjust the tightness of the steel rope, and a transmission assembly 5 is arranged at the rear end of the two steel rope adjustment assemblies 4, which is used to lift and lower the steel rope adjustment assembly 4, and the gravity traction assembly 3 includes a buffer pad 3 arranged on the inner and outer walls of the two upper beams 1. 01, the two buffer pads 301 are provided with a protection frame 302, the gravity traction assembly 3 also includes a shaft 303 that penetrates and is rotatably connected to the outer walls of both sides of the protection frame 302, the shaft 303 penetrates the two buffer pads 301 and is rotatably connected thereto, both ends of the shaft 303 are rotatably connected to the inner outer walls of the two upper beams 1, the gravity traction assembly 3 also includes a first expansion sleeve 304 arranged at the inner center of the protection frame 302, the first expansion sleeve 304 is fixedly connected to the outer wall of the shaft 303, the outer wall of the first expansion sleeve 304 is fixedly connected to the first anti-ropes 305, the two upper beams 1 The outer wall is threadedly connected with a plurality of first fixing screws 306, which are vertically equidistantly distributed on the outer side of the upper beam 1. The other ends of the plurality of first fixing screws 306 are threadedly connected with the inner walls of the buffer pad 301 and the protective frame 302 in sequence. When the device needs to be fixed to the elevator shaft, the fixing seat 2 needs to be fixed to the accessories on the top of the elevator shaft so that the device is fixed inside the elevator shaft, thereby facilitating the operation of the device. When the first deflection pulley 305 is in operation, the first expansion sleeve 304 can increase the friction between the first deflection pulley 305 and the rotating shaft 303, thereby increasing the transmission stability of the first deflection pulley 305. At the same time, the protective frame 302 protects the top of the first deflection pulley 305 to reduce impurities from falling into the first deflection pulley 305 as a driving wheel. At the same time, the buffer pads 301 on both sides of the protective frame 302 separate the upper beam 1 from the protective frame 302, thereby reducing the vibration generated during the transmission of the first deflection pulley 305, thereby achieving a shock absorption effect.

[0026] like Figure 3-4As shown, the steel rope adjustment assembly 4 includes a second anti-ropes wheel 403 arranged at the bottom end between the two upper beams 1, the inner wall of the second anti-ropes wheel 403 is fixedly connected with a second expansion sleeve 402, the inner wall of the second expansion sleeve 402 is fixedly connected with a rotating rod 401, the steel rope adjustment assembly 4 also includes four slide grooves 404 penetrating through the outer walls of the two upper beams 1, the two ends of the two rotating rods 401 penetrate the inner walls of the four slide grooves 404 and are slidably connected thereto, the front end of the rotating rod 401 is rotatably connected with a hexagonal fixed disk 405, and the outer wall of the hexagonal fixed disk 405 is threadedly connected with several There are a plurality of second fixing screws 406, which are arranged in a circular array on the outer wall of the hexagonal fixing disk 405. The outer walls of the rear ends of the second fixing screws 406 are threadedly connected to the outer wall of the front upper beam 1. When the second anti-ropes 403 is in operation, the second expansion sleeve 402 can increase the friction between the rotating rod 401 and the second anti-ropes 403, thereby increasing the operating stability of the second anti-ropes 403. At the same time, the second fixing screws 406 fix the hexagonal fixing disk 405 and the upper beam 1 together, thereby increasing the rotation stability of the rotating rod 401.

[0027] like Figure 2-4As shown, the transmission assembly 5 includes a fixed box 501 fixedly connected to the outer wall of the rear end of the rear upper beam 1, a motor 502 on the inner wall of the left top end of the fixed box 501, an output end of the motor 502 is fixedly connected to a first screw rod 503, an outer wall of the first screw rod 503 is fixedly connected to a first sprocket 504, a first threaded sleeve 506 is arranged below the first sprocket 504, the first threaded sleeve 506 is threadedly connected to the outer wall of the first screw rod 503, and the rear end of the left rotating rod 401 is rotatably connected to the outer wall of the first threaded sleeve 506. The transmission assembly 5 further includes a second screw rod 508 disposed on the right side of the first screw rod 503, both ends of the second screw rod 508 are rotatably connected to the inner walls of both sides of the fixed box 501, the outer wall of the second screw rod 508 is fixedly connected to the second sprocket 507, the outer wall of the second sprocket 507 is meshed with the chain 505, the left end of the chain 505 is meshed with the outer wall of the first sprocket 504, and the transmission assembly 5 further includes a second threaded sleeve 509 disposed below the second sprocket 507, the second threaded sleeve 509 is meshed with the second sprocket 507, and the second threaded sleeve 509 is meshed with the second sprocket 507. The outer wall of the screw rod 508 is threadedly connected, and the rear end of the right rotating rod 401 is rotatably connected to the outer wall of the second threaded sleeve 509. When the output end of the motor 502 is transmitted, the first screw rod 503 is driven to rotate through the output end of the motor 502, and the first threaded sleeve 506 is driven to perform threaded motion through the first screw rod 503. At the same time, the first screw rod 503 drives the first sprocket wheel 504 to rotate, and the chain 505 is driven to mesh and rotate through the first sprocket wheel 504, and the second sprocket wheel 507 is driven to rotate through the chain 505. The second sprocket 507 drives the second lead screw 508 to rotate, and the second threaded sleeve 509 drives the second threaded sleeve 509 to move, and the first threaded sleeve 506 and the second threaded sleeve 509 drive the rotating rod 401 to rotate at the same time. Because the rotating rod 401 is restricted on the slide groove 404, the first threaded sleeve 506 and the second threaded sleeve 509 drive the lower rotating rod 401 to slide vertically on the slide groove 404, thereby realizing the lifting and lowering movement of the second anti-ropes 403.

[0028] In this embodiment, when in use, the steel rope is passed from the left side outer wall of the first return rope wheel 305 on the left side, around the outer wall of the first return rope wheel 305 on the left side, and moved downward to the bottom outer wall of the second return rope wheel 403 on the left side, and then moved to the left to the bottom outer wall of the second return rope wheel 403 on the right side, and the steel rope is moved upward so that the steel rope passes around the top outer wall of the first return rope wheel 305 on the right side and moves downward, and is connected to the guide wheel. At this time, the motor fixed to the first return rope wheel 305 is started, and the rotating shaft 303 is driven by the output end of the motor. The first tensioning sleeve 304 is rotated, and the first tensioning sleeve 304 is rotated, and the first anti-ropes 305 is rotated, and the first anti-ropes 305 is driven to transmit the steel rope. At the same time, the transmitted steel rope drives the second anti-ropes 403 to rotate, and the second tensioning sleeve 402 is driven to rotate through the second anti-ropes 403, and the rotating rod 401 is driven to rotate through the second tensioning sleeve 402, so that the steel rope is straightened, and then the steel rope is transported. When the device has been used for a long time, the steel rope is somewhat loose. When the gear is loose, the maintenance personnel first remove the second fixed screw rod 406, start the motor 502, and drive the first screw rod 503 to rotate through the output end of the motor 502, and drive the first threaded sleeve 506 to move through the first screw rod 503, and at the same time, the first screw rod 503 drives the first sprocket wheel 504 to rotate, and the first sprocket wheel 504 drives the chain 505 to mesh and rotate, and the chain 505 drives the second sprocket wheel 507 to mesh and rotate, and the second sprocket wheel 507 drives the second screw rod 508 to rotate, and the second screw rod 508 drives the first sprocket wheel 504 to mesh and rotate, and the second sprocket wheel 507 drives the second screw rod 508 to rotate. The second threaded sleeve 509 is driven to move, and the two rotating rods 401 are driven to slide downward on the slide groove 404 through the first threaded sleeve 506 and the second threaded sleeve 509 at the same time, and the second expansion sleeve 402 is driven to move downward through the two rotating rods 401, and the second anti-ropes pulley 403 is driven to move downward through the second expansion sleeve 402, so that the steel rope at the bottom of the second anti-ropes pulley 403 is driven to move downward through the second anti-ropes pulley 403, so that the steel rope is straightened again. At this time, the maintenance personnel will check other positions of the device according to the condition of the steel rope.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-wheel directional rope pulley shaft with a tensioning sleeve device, comprising two upper beams (1), characterized in that: The upper ends of the two upper beams (1) are fixedly connected to a fixing seat (2); a gravity traction assembly (3) is symmetrically arranged between the two upper beams (1) for adjusting the gravity difference of the steel rope; two steel rope adjustment assemblies (4) are arranged between the two gravity traction assemblies (3) for adjusting the tightness of the steel rope; and a transmission assembly (5) is arranged at the rear ends of the two steel rope adjustment assemblies (4) for lifting and lowering the steel rope adjustment assemblies (4); The gravity traction assembly (3) comprises a buffer pad (301) arranged on the inner outer walls of two upper beams (1), and the two buffer pads (301) are provided with a protective frame (302).

2. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 1, characterized in that: The gravity traction assembly (3) further comprises a rotating shaft (303) penetrating through and rotatably connected to the outer walls on both sides of the protection frame (302); the rotating shaft (303) penetrates through the two buffer pads (301) and is rotatably connected thereto; both ends of the rotating shaft (303) are rotatably connected to the inner outer walls of the two upper beams (1).

3. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 1, characterized in that: The gravity traction assembly (3) further comprises a first expansion sleeve (304) arranged at the inner center of the protection frame (302), the first expansion sleeve (304) being fixedly connected to the outer wall of the rotating shaft (303), the outer wall of the first expansion sleeve (304) being fixedly connected to a first anti-ropes pulley (305), the outer walls of the two upper beams (1) being threadedly connected to a plurality of first fixing screws (306), the plurality of first fixing screws (306) being vertically equidistantly distributed on the outer side of the upper beam (1), and the other ends of the plurality of first fixing screws (306) being threadedly connected to the buffer pad (301) and the inner wall of the protection frame (302) in sequence.

4. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 1, characterized in that: The steel rope adjustment assembly (4) comprises a second deflecting pulley (403) arranged at the bottom end between the two upper beams (1); the inner wall of the second deflecting pulley (403) is fixedly connected to a second expansion sleeve (402); and the inner wall of the second expansion sleeve (402) is fixedly connected to a rotating rod (401).

5. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 4, characterized in that: The steel rope adjustment assembly (4) further comprises four slide grooves (404) penetrating the outer walls of the two upper beams (1); the two ends of the two rotating rods (401) penetrate the inner walls of the four slide grooves (404) and are slidably connected thereto; the front end of the rotating rod (401) is rotatably connected to a hexagonal fixed disk (405); the outer wall of the hexagonal fixed disk (405) is threadedly connected to a plurality of second fixed screws (406); the plurality of second fixed screws (406) are arranged in a circular array on the outer wall of the hexagonal fixed disk (405); the rear end outer wall of the second fixed screws (406) is threadedly connected to the outer wall of the front upper beam (1).

6. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 5, characterized in that: The transmission assembly (5) comprises a fixed box (501) fixedly connected to the rear end outer wall of the rear upper beam (1), a motor (502) on the inner wall of the left top end of the fixed box (501), an output end of the motor (502) fixedly connected to a first screw rod (503), an outer wall of the first screw rod (503) fixedly connected to a first sprocket (504), a first threaded sleeve (506) being arranged below the first sprocket (504), the first threaded sleeve (506) being threadedly connected to the outer wall of the first screw rod (503), and a rear end of the left rotating rod (401) being rotatably connected to the outer wall of the first threaded sleeve (506).

7. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 6, characterized in that: The transmission assembly (5) further comprises a second screw rod (508) arranged on the right side of the first screw rod (503), both ends of the second screw rod (508) being rotatably connected to the inner walls of both sides of the fixed box (501), the outer wall of the second screw rod (508) being fixedly connected to a second sprocket (507), the outer wall of the second sprocket (507) being meshingly connected to a chain (505), and the left end of the chain (505) being meshingly connected to the outer wall of the first sprocket (504).

8. A double-wheel directional rope pulley shaft with a tensioning sleeve device according to claim 7, characterized in that: The transmission assembly (5) further comprises a second threaded sleeve (509) disposed below the second sprocket (507), the second threaded sleeve (509) being threadedly connected to the outer wall of the second screw rod (508), and the rear end of the right rotating rod (401) being rotatably connected to the outer wall of the second threaded sleeve (509).

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