Machine room elevator rope wheel winding and unwinding mechanism

Abstract

The utility model relates to the technical field of elevators, and discloses a machine room elevator rope wheel winding and unwinding mechanism which comprises a protection assembly, a protection piece, a protection cover, a filter screen, a cleaning ring and a movable block, the filter screen is fixed to one side of the protection cover, the cleaning ring is arranged at the bottom of the protection cover, the movable block is fixed to one side of the cleaning ring, and the movable block is fixed to the other side of the cleaning ring. And the driving assembly is arranged on the protection piece and comprises a driving piece, a rotating disc, a rotating strip and a driving rod, and the rotating disc is located on one side of the moving block. The utility model has the beneficial effects that the protective cover is arranged on the outer side of the rope wheel, dust can be effectively prevented from being adsorbed on the surface of the rope wheel, and meanwhile, the cleaning mechanism is arranged to clean the pull rope, so that the cleanliness of the rope wheel and the pull rope is ensured, the influence of dust on the performance is reduced, and the working environment of the rope wheel and the pull rope is improved; the problems of abrasion, corrosion and the like caused by dust accumulation are avoided, and the service life of the rope wheel and the pull rope is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, especially a machine room elevator rope wheel take -up mechanism. BACKGROUND

[0002] The machine room elevator rope wheel take -up mechanism is the key part in the elevator system, which mainly includes the traction sheave and other rope wheels, is located in the elevator machine room, and functions to realize the lifting drive of the elevator car and the counterweight through the friction force between the traction sheave and the steel wire rope. When the rope wheel rotates, the steel wire rope is taken up and released, so that the car can stably move up and down along the guide rail in the shaft, thereby completing the vertical transportation task of personnel or goods. The rope wheel and the pull rope are generally directly exposed to the outside. With the passage of time, a large amount of dust is adsorbed on the surface thereof. During the operation of the elevator, the dust continuously accumulates, which not only affects the appearance of the rope wheel and the pull rope, but also can adversely affect the performance thereof. For example, the dust can increase the friction coefficient between the rope wheel and the pull rope, resulting in aggravated wear and tear and reduced service life of the rope wheel. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above and / or existing problems in the machine room elevator rope wheel take -up mechanism, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is that the rope wheel and the pull rope are directly exposed to the outside, a large amount of dust is adsorbed on the surface thereof with the passage of time, the dust continuously accumulates during the operation of the elevator, which not only affects the appearance, but also can cause the friction coefficient to increase, resulting in aggravated wear and tear and reduced service life of the rope wheel.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a machine room elevator rope wheel take -up mechanism, which comprises a protection assembly, a protection piece, a protection cover, a filter screen, a cleaning ring and a moving block. The filter screen is fixed to one side of the protection cover, the cleaning ring is arranged at the bottom of the protection cover, and the moving block is fixed to one side of the cleaning ring.

[0007] A driving assembly is arranged on the protection piece and comprises a driving piece, a rotating disc, a rotating strip and a driving rod. The rotating disc is located on one side of the moving block, the rotating strip is fixed to one side of the rotating disc, and the driving rod is fixed to one end of the rotating strip.

[0008] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, the protection assembly further comprises a supporting piece arranged on the cleaning ring, a supporting block is fixed on one side of the cleaning ring, a positioning column is inserted into the top of the supporting block, and the supporting block and the positioning column are movably connected.

[0009] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a hinge block is arranged on one side of the moving block, the hinge block is hinged to the moving block, and a moving frame is fixed on one side of the hinge block.

[0010] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a supporting box is arranged on the outer side of the moving block, the moving block and the supporting box are movably connected, and a supporting plate is fixed on the top of the supporting box.

[0011] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, an activity ring is arranged on the outer side of the moving frame, an activity strip is fixed on one side of the activity ring, the activity strip is inserted into one side of the rotating disc, the activity strip and the rotating disc are movably connected, a positioning frame is arranged on the outer side of the moving frame, the positioning frame and the moving frame are movably connected, the moving frame is fixed to the inner wall of the supporting box, the driving rod is inserted into one side of the positioning frame, and the driving rod and the positioning frame are rotatably connected through a rotating shaft.

[0012] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, the driving assembly further comprises a connecting piece arranged on the driving rod, and a motor is fixed on one end of the driving rod.

[0013] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a fixing frame is arranged on the outer side of the motor, a connecting block is arranged on the outer side of the driving rod, and the connecting block and the driving rod are rotatably connected through a rotating shaft.

[0014] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a protection box is arranged on the outer side of the connecting block, the protection box is arranged on the outer side of the driving rod, and the protection box and the driving rod are rotatably connected through a rotating shaft.

[0015] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a main body assembly is further arranged on the protection cover, and comprises a rope wheel and a pull rope, the rope wheel is located in the protection cover, the rope wheel and the protection cover are rotatably connected through a rotating shaft, and the pull rope is arranged on the outer side of the rope wheel.

[0016] As a preferred scheme of the machine room elevator rope wheel winding and unwinding mechanism, a traction machine is fixed on one side of the rope wheel.

[0017] The utility model discloses beneficial effect is: set up the protective cover in the rope wheel outside, can effectively prevent dust adsorbed on the rope wheel surface, is equipped with cleaning mechanism simultaneously, carries out cleaning to the pull rope, to this end ensure the cleanliness of rope wheel and pull rope, reduce the influence of dust to its performance, the working environment of rope wheel and pull rope is improved, avoids the abrasion, corrosion and so on because of dust accumulation and produces, and then prolongs the service life of rope wheel and pull rope. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0019] Figure 1 It is the overall structural drawing of machine room elevator rope wheel take-up and pay-off mechanism.

[0020] Figure 2 It is the protective cover sectional structure drawing of machine room elevator rope wheel take-up and pay-off mechanism.

[0021] Figure 3 It is the Figure 2 It is the local amplification structure drawing of A place in the middle.

[0022] Figure 4 It is the rope wheel structure drawing of machine room elevator rope wheel take-up and pay-off mechanism.

[0023] Figure 5 It is the support box sectional structure drawing of machine room elevator rope wheel take-up and pay-off mechanism.

[0024] Figure 6 It is the cleaning ring structure drawing of machine room elevator rope wheel take-up and pay-off mechanism. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the following specific embodiment of the utility model is explained in detail with the drawings of the specification.

[0026] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the skilled person in the art can make similar generalization without violating the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means a specific feature, structure, or characteristic that can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.

[0028] Embodiment 1

[0029] With reference to Figures 2-6 For the first embodiment of the present application, the embodiment provides a machine room elevator rope wheel winding and unwinding mechanism. The machine room elevator rope wheel winding and unwinding mechanism comprises a protection assembly 200, a driving assembly 300 and a main body assembly 100. The three can cooperate to prevent dust adsorption, clean the pull rope, improve the working environment of the rope wheel and the pull rope, reduce the influence of dust on performance, avoid wear and corrosion and other problems, and prolong the service life.

[0030] The protection assembly 200 comprises a protection piece 201, which comprises a protection cover 201a, a filter screen 201b, a cleaning ring 201c and a moving block 201d. The filter screen 201b is fixed to one side of the protection cover 201a, and the cleaning ring 201c is arranged at the bottom of the protection cover 201a. The moving block 201d is fixed to one side of the cleaning ring 201c.

[0031] The protection cover 201a is fixed to one side of the traction machine 103. The protection cover 201a can protect the rope wheel 101 and prevent dust from adhering to the rope wheel 101. The filter screen 201b can ensure that a certain amount of air can enter the inside of the protection cover 201a to form a natural ventilation channel, which is helpful for heat dissipation and enables the rope wheel 101 to work in a suitable temperature environment, preventing the acceleration of component aging and damage due to overheating. The moving block 201d can drive the cleaning ring 201c to move outside the pull rope 102 by moving, so as to clean the pull rope 102. The cleaning ring 201c is sleeved outside the pull rope 102 and is movably connected with the pull rope 102.

[0032] The driving assembly 300 is arranged on the protection piece 201 and comprises a driving piece 301, which comprises a rotating disc 301a, a rotating strip 301b and a driving rod 301c. The rotating disc 301a is located at one side of the moving block 201d. The rotating strip 301b is fixed to one side of the rotating disc 301a. The driving rod 301c is fixed to one end of the rotating strip 301b.

[0033] When the moving block 201d needs to be moved, the driving rod 301c is rotated. The rotation of the driving rod 301c can drive the rotating strip 301b to rotate. At this time, the rotation of the rotating strip 301b can drive the rotating disc 301a to rotate. The rotation of the rotating disc 301a can drive the cleaning ring 201c to move up and down reciprocatingly outside the pull rope 102, so as to clean the pull rope 102.

[0034] Embodiment 2

[0035] With reference to Figures 2-6 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.

[0036] Specifically, the protection assembly 200 further comprises a supporting piece 202 arranged on the cleaning ring 201c, the supporting piece 202a is fixed on one side of the cleaning ring 201c, the positioning column 202b is inserted into the top of the supporting piece 202a, and the supporting piece 202a and the positioning column 202b are movably connected.

[0037] The positioning column 202b is fixed to the bottom of the protective cover 201a, and when the cleaning ring 201c moves, the supporting piece 202a can be driven to move, at this time, the supporting piece 202a will move on the positioning column 202b, so as to support the cleaning ring 201c and prevent the cleaning ring 201c from deviating when moving.

[0038] Specifically, the moving block 201d is provided with a hinged block 202c on one side, the hinged block 202c is hinged to the moving block 201d, and the moving frame 202d is fixed on one side of the hinged block 202c.

[0039] When it is necessary to move the moving block 201d, the moving frame 202d can be driven to move, and the movement of the moving frame 202d will drive the hinged block 202c to move, at this time, the movement of the hinged block 202c can drive the moving block 201d to move up and down reciprocatingly to clean the pull rope 102.

[0040] Specifically, the moving block 201d is provided with a hinged block 202c on one side, the hinged block 202c is hinged to the moving block 201d, and the moving frame 202d is fixed on one side of the hinged block 202c.

[0041] The supporting box 202e can support the moving block 201d, prevent the moving block 201d from deviating when moving, the supporting plate 202f is fixed to the bottom of the protective cover 201a, and the supporting box 202e can be fixed by the supporting plate 202f, preventing the supporting box 202e from falling off.

[0042] Specifically, the moving frame 202d is provided with a movable ring 202g on the outside, the movable ring 202g is provided with a movable strip 202h on one side, the movable strip 202h is inserted into one side of the rotating disc 301a, the movable strip 202h and the rotating disc 301a are movably connected, the moving frame 202d is provided with a positioning frame 202i on the outside, the positioning frame 202i and the moving frame 202d are movably connected, the moving frame 202d is fixed to the inner wall of the supporting box 202e, the driving rod 301c is inserted into one side of the positioning frame 202i, and the driving rod 301c and the positioning frame 202i are rotatably connected through the rotating shaft.

[0043] The rotation of the rotating disc 301a can drive the movable strip 202h to move, and the movement of the movable strip 202h can drive the movable ring 202g to move outside the moving frame 202d, so as to press the moving frame 202d to move up and down reciprocatingly, thereby driving the moving block 201d to move up and down reciprocatingly to clean the pull rope 102.

[0044] Specifically, the driving assembly 300 further comprises a connecting piece 302 arranged on the driving rod 301c, and one end of the driving rod 301c is fixedly connected with a motor 302a.

[0045] Both ends of the motor 302a are provided with rotating shafts, and the rotation of the motor 302a can drive the driving rod 301c to rotate.

[0046] Specifically, the motor 302a is sleeved with a fixing frame 302b outside, the driving rod 301c is sleeved with a connecting block 302c outside, and the connecting block 302c and the driving rod 301c are rotationally connected through a rotating shaft.

[0047] The connecting block 302c can support the driving rod 301c to prevent the driving rod 301c from deviating during rotation, and the fixing frame 302b can support the motor 302a to prevent the motor 302a from deviating.

[0048] Embodiment 3

[0049] Reference Figures 1-6 This embodiment is based on the previous two embodiments.

[0050] Specifically, the connecting block 302c is sleeved with a protective box 302d outside, the protective box 302d is sleeved outside the driving rod 301c, and the protective box 302d and the driving rod 301c are rotationally connected through a rotating shaft.

[0051] The protective box 302d is fixed to the bottom of the protective cover 201a, and the fixing frame 302b is fixed to the inner wall of the protective box 302d.

[0052] Specifically, the main body assembly 100 is arranged on the protective cover 201a and comprises the rope wheel 101 and the pull rope 102.

[0053] The rope wheel 101 is a key component of elevator power transmission, connected with the traction machine 103, and changes the direction and size of force by using friction to drive the rope 102, realizes the balance linkage of the car and the counterweight, the rope 102 connects the car and the counterweight, transmits power and bears the weight, so that the elevator can be stably lifted.

[0054] Specifically, the rope wheel 101 is fixed on one side of the traction machine 103.

[0055] The traction machine 103 is the core power device of the elevator, the traction machine 103 provides power for the rope wheel 101, drives the rope wheel 101 to rotate, drives the car and the counterweight to realize lifting through the rope 102, guarantees the normal operation of the elevator, the traction machine 103 has strong torque and precise control ability, ensures the safe and efficient vertical transportation of the elevator between different floors.

[0056] In use, the traction machine 103 drives the rope wheel 101 to rotate when starting, at this time, the rope 102 can be moved through the rotation of the rope wheel 101, the motor 302a is started when the rope 102 moves, at this time, the driving rod 301c can be rotated, the driving rod 301c can drive the rotating bar 301b to rotate through the rotation of the driving rod 301c, at this time, the rotating bar 301b can drive the rotating disc 301a to rotate through the rotation of the rotating bar 301b, the movable bar 202h can be moved through the rotation of the rotating disc 301a, the movable ring 202g can be moved outside the moving frame 202d through the movement of the movable bar 202h, so as to press the moving frame 202d to move up and down, the hinged block 202c can be moved through the movement of the moving frame 202d, the moving block 201d can move up and down through the movement of the hinged block 202c, the cleaning ring 201c can move outside the rope 102 through the movement of the moving block 201d, so as to clean the rope 102.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A machine room-less elevator rope wheel retraction mechanism, characterized by: Including, The protection assembly (200) further includes a supporting piece (202) arranged on the cleaning ring (201c), a supporting block (202a) is fixed on one side of the cleaning ring (201c), a positioning column (202b) is inserted into the top of the supporting block (202a), and the supporting block (202a) and the positioning column (202b) are movably connected. One side of the moving block (201d) is provided with a hinged block (202c), the hinged block (202c) and the moving block (201d) are hinged, and a moving frame (202d) is fixed on one side of the hinged block (202c).

2. A machine room elevator rope wheel take-up and release mechanism as claimed in claim 1, characterized in that: The outer side of the moving block (201d) is sleeved with a supporting box (202e), the moving block (201d) and the supporting box (202e) are movably connected, and a supporting plate (202f) is fixed on the top of the supporting box (202e).

3. A machine room elevator rope wheel take-up and release mechanism as claimed in claim 2, characterized in that: The outer side of the moving frame (202d) is sleeved with a movable ring (202g), one side of the movable ring (202g) is fixed with a movable strip (202h), the movable strip (202h) is inserted into one side of the rotating disc (301a), the movable strip (202h) and the rotating disc (301a) are movably connected, the outer side of the moving frame (202d) is sleeved with a positioning frame (202i), the positioning frame (202i) and the moving frame (202d) are movably connected, the moving frame (202d) is fixed on the inner wall of the supporting box (202e), the driving rod (301c) is inserted into one side of the positioning frame (202i), and the driving rod (301c) and the positioning frame (202i) are rotatably connected through a rotating shaft.

4. A machine room elevator rope wheel take-up and release mechanism as claimed in claim 3, characterized in that: The driving assembly (300) further includes a connecting piece (302) arranged on the driving rod (301c), and a motor (302a) is fixed on one end of the driving rod (301c).

5. A machine room elevator rope wheel take-up and release mechanism as claimed in claim 4, characterized in that: The outer side of the motor (302a) is sleeved with a fixing frame (302b), the outer side of the driving rod (301c) is sleeved with a connecting block (302c), and the connecting block (302c) and the driving rod (301c) are rotatably connected through a rotating shaft.

6. Machine room elevator rope wheel winding and unwinding mechanism according to claim 4 or 5, characterized in that: ​ 7. A machine room elevator rope wheel winding and unwinding mechanism according to claim 6, characterized in that: ​ 8. A machine room elevator rope wheel winding and unwinding mechanism according to claim 7, characterized in that: The connecting block (302c) is externally sleeved with a protective box (302d), the protective box (302d) is sleeved on the outer side of the driving rod (301c), and the protective box (302d) and the driving rod (301c) are rotationally connected through an axis.

9. Machine room elevator rope wheel winding and unwinding mechanism according to claim 7 or 8, characterized in that: The main body assembly (100) is arranged on the protective cover (201a) and comprises a rope wheel (101) and a pull rope (102), the rope wheel (101) is located in the protective cover (201a), the rope wheel (101) and the protective cover (201a) are rotationally connected through an axis, and the pull rope (102) is sleeved on the outer side of the rope wheel (101).

10. A machine room elevator rope wheel take-up and release mechanism as claimed in claim 9, characterized in that: A traction machine (103) is fixed on one side of the rope wheel (101).

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