CN217229871U - Automatic tensioning device for household elevator oil wire rope - Google Patents

Abstract

The utility model discloses an automatic straining device of home use elevator oil silk rope relates to elevator operation technical field. The traction rope sheave comprises a traction rope sheave and a diversion rope sheave, wherein the traction rope sheave and the diversion rope sheave are connected through a plurality of traction steel ropes, one end of the traction rope sheave is provided with a traction motor, the output end of the traction motor is fixedly connected to one end of a rotation shaft of the traction rope sheave, and the other side of the traction rope sheave is provided with a stopping device. The utility model discloses a setting of tension hoist mechanism, the device can carry out taut operation to wire rope through stopping the device always in the use, through the effect at the relaxation spring, can keep certain pulling force to wire rope through the resistance pivot all the time for wire rope keeps tension, and under the effect of relaxation spring, wire rope can not lead to the operational failure because of too big tension, makes it keep within certain fault-tolerant, so the device can the elasticity of automatic adjustment wire rope under the running state.

Description

Automatic tensioning device for household elevator oil wire rope

Technical Field

The utility model relates to an elevator operation technical field specifically is automatic straining device of home use elevator oil silk rope.

Background

The elevator dragging mechanism consists of motor, speed reducer, brake, etc. in machine room and is the dragging and driving power. One end of the traction steel wire rope is connected with the lift car through a traction wheel, and the other end of the traction steel wire rope is connected with the counterweight. In order to ensure that the car and the counterweight in the hoistway respectively run along the guide rails in the hoistway without rubbing against each other, a guide wheel is arranged on the traction machine to separate the car and the counterweight. The gravity of the lift car and the counterweight device enables the traction steel wire rope to be tightly pressed in the traction sheave groove to generate friction force, so that the motor rotates to drive the traction sheave to rotate, the steel wire rope is driven, and the lift car and the counterweight are dragged to move relatively. Namely, the lift car ascends, and the counterweight descends; the counterweight rises and the car descends. The car then reciprocates up and down along the guide rails in the hoistway, and the elevator performs a vertical transportation task.

Wire rope can slowly elongate in long-time use, and the work piece position of hanging on wire rope can descend, influences the working effect, consequently needs adjustment wire rope's elasticity, still has on the market at present to carry out the modified scheme to this kind of condition, for this reason, the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic straining device of home use elevator oil silk rope to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic tensioning device for the oil wire rope of the household elevator comprises a traction rope sheave and a diversion rope sheave, wherein the traction rope sheave and the diversion rope sheave are connected through a plurality of traction steel ropes, one end of the traction rope sheave is provided with a traction motor, the output end of the traction motor is fixedly connected to one end of a rotation shaft of the traction rope sheave, the other side of the traction rope sheave is provided with a stopping device, a tension lifting mechanism is arranged between the traction rope sheave and the diversion rope sheave, and the tension lifting mechanism is inserted on the surface of the traction steel rope.

Preferably, the middle part of one end of the traction rope wheel is fixedly connected with a rotating shaft block, two sides of the rotating shaft block are provided with notches, resistance blocks are rotatably connected between two sides of the notches, and resistance springs are fixedly connected between the bottoms of the resistance blocks and the bottoms of the notches.

Preferably, the stopping device comprises a fixing frame, one side of the fixing frame is provided with a one-way bearing, the inner wall of the one-way bearing is fixedly connected with a resistance disc, and one side of the resistance disc is provided with a guide groove matched with the resistance block.

Preferably, the tension lifting mechanism comprises a fixed plate, a square frame is arranged in the middle of the fixed plate, a plurality of relaxation springs are fixedly connected between the inner wall of one end of the square frame and the fixed plate, and a resistance rotating shaft is rotatably connected between two sides of one end of the square frame.

Preferably, the two sides of one side of the fixing plate are provided with projections, wherein one side of the fixing plate is provided with an Contraband-shaped plate, a \ 21274, and the two ends of the shaped plate are connected with the fixing plate through fixing screws.

Preferably, a right-angle plate is fixedly connected to one side of the fixing frame, two bolt rods are fixedly connected to one side of the right-angle plate, and two positioning blocks are fixedly connected to the bottoms of the bolt rods.

Compared with the prior art, the beneficial effects of the utility model are that:

this automatic straining device of home use elevator oil silk rope passes through tension hoist mechanism's setting, and the device can carry out taut operation to wire rope through the stop device always in the use, through at relaxation spring effect, can keep certain pulling force to wire rope through the resistance pivot all the time for wire rope keeps tension, and under relaxation spring's effect, wire rope can not lead to the operational failure because of too big tension, makes it keep within certain fault-tolerant, so the device can the elasticity of automatically regulated wire rope under the running state.

Meanwhile, the household elevator oil wire rope automatic tensioning device can avoid the elevator from falling to a certain extent when in use through the arrangement of the stopping device, when the motor loses power or the elevator fails, the stopping device can effectively provide force in the opposite direction for the traction rope sheave, the elevator is assisted to clamp and stop the traction rope sheave, and the safety of the elevator is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the stopping device of the present invention;

fig. 3 is a schematic structural view of the tension lifting mechanism of the present invention.

In the figure: 1. a traction sheave; 101. a rotating shaft block; 102. a resistance block; 103. a resistance spring; 2. a diverting pulley; 3. a traction motor; 4. a stopping device; 401. a resistance disc; 402. a guide groove; 403. a right-angle plate; 404. a bolt shank; 5. a tension lift mechanism; 501. a fixing plate; 502. a square frame; 503. a relaxation spring; 504. a resistance rotation shaft; 505. contraband shaped plate; 506. fixing the screw rod; 6. a traction cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-3, the utility model provides a technical solution: automatic straining device of home use elevator oil rope, including traction sheave 1 and diversion sheave 2, be connected between traction sheave 1 and the diversion sheave 2 through many traction steel cable 6, wherein, traction sheave 1 one end is provided with traction motor 3, traction motor 3 output end fixed connection is in traction sheave 1 rotation axis one end, traction sheave 1 opposite side is provided with hinders stopping device 4, be provided with tension hoist mechanism 5 between traction sheave 1 and the diversion sheave 2, tension hoist mechanism 5 alternates in traction steel cable 6 surface, the device can be always through hindering stopping device 4 and carry out taut operation to wire rope in the use, through the effect at relaxation spring 503, can keep certain pulling force to wire rope through resistance pivot 504 all the time, make wire rope keep tension.

In order to ensure the smooth implementation of the embodiment, it should be understood that the middle part of one end of the traction sheave 1 is fixedly connected with a rotating shaft block 101, notches are formed in two sides of the rotating shaft block 101, a resistance block 102 is rotatably connected between two sides of each notch, and a resistance spring 103 is fixedly connected between the bottom of the resistance block 102 and the bottom of each notch.

Wherein, it needs to know about the scheme that the stopping device 4 comprises a fixed frame, one side of the fixed frame is provided with a one-way bearing, the inner wall of the one-way bearing is fixedly connected with a resistance disc 401, wherein one side of the resistance disc 401 is provided with a guide groove 402 matched with the resistance block 102, the falling of the elevator can be avoided to a certain extent when in use, when the motor loses power or the elevator is in failure, the stopping device 4 can effectively provide reverse force for the traction sheave 1 to assist the elevator to clamp and stop the traction sheave 1, through the arrangement of the guide groove 402 of the resistance block 102 box, when the traction sheave 1 is in normal operation, the resistance block 102 can rotate in the resistance disc 401, and when in reverse rotation, because the resistance disc 401 and the guide groove 402 can be mutually engaged, the traction sheave 1 can not rotate normally, the stopping effect is realized, if braking is needed, the device is an auxiliary device matched with the elevator clamps, cannot be used alone as a safety device of an elevator.

To ensure the smooth implementation of this embodiment, it should be understood that the tension lifting mechanism 5 includes a fixing plate 501, a square frame 502 is disposed in the middle of the fixing plate 501, a plurality of relaxation springs 503 are fixedly connected between the inner wall of one end of the square frame 502 and the fixing plate 501, wherein a resistance rotating shaft 504 is rotatably connected between two sides of one end of the square frame 502, a certain tension is always maintained on the steel wire rope by the resistance rotating shaft 504 due to the effect of the relaxation springs 503, so that the steel wire rope maintains tension, and under the effect of the relaxation springs 503, the steel wire rope does not cause operation failure due to excessive tension, so that the steel wire rope is maintained within a certain fault tolerance, when the tension lifting mechanism 5 is installed, firstly, the fixing screw 506 needs to be fixed on one side wall of the elevator shaft through drilling operation, so as to ensure the stable and supporting force of the fixing screw 506, and then the fixing plate 501 with the square frame 502 and the like passes through the fixing screw 506 and is fixed, it should be noted that the wire rope is required to pass through the middle of the square frame 502 in advance, and the traction force of the resistance rotating shaft 504 on the wire rope is determined and adjusted when the fixing of the fixing plate 501 is performed.

To ensure that this solution is the best preferred solution, it should be noted that two sides of one side of the fixing plate 501 are provided with protrusions, wherein one side of the fixing plate 501 is provided with Contraband-shaped plates 505, and two ends of Contraband-shaped plates 505 are connected with the fixing plate 501 through fixing screws 506.

In addition, it needs to be known about this scheme that a right-angle plate 403 is fixedly connected to one side of the fixing frame, two bolt rods 404 are fixedly connected to one side of the right-angle plate 403, and two positioning blocks are fixedly connected to the bottoms of the bolt rods 404, so that when the stopping device 4 is installed, firstly, a threaded hole matched with the bolt rod 404 needs to be machined on the derrick at the top through a drilling and tapping integrated machine, and then, the right-angle plate 403 is inserted into the bolt rod 404 and fixed through nuts, so that the stability of the right-angle plate 403 and the whole stopping device 4 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Automatic straining device of home use elevator oiled wire rope, including traction sheave (1) and diverting pulley (2), its characterized in that: the traction rope wheel (1) and the diversion rope wheel (2) are connected through a plurality of traction steel ropes (6), wherein one end of the traction rope wheel (1) is provided with a traction motor (3), the output end of the traction motor (3) is fixedly connected to one end of a rotating shaft of the traction rope wheel (1), the other side of the traction rope wheel (1) is provided with a stopping device (4), a tension lifting mechanism (5) is arranged between the traction rope wheel (1) and the diversion rope wheel (2), and the tension lifting mechanism (5) is inserted on the surface of the traction steel ropes (6).

2. The home elevator wick automatic tensioning device according to claim 1, characterized in that: the middle part of one end of the traction rope wheel (1) is fixedly connected with a rotating shaft block (101), notches are formed in two sides of the rotating shaft block (101), a resistance block (102) is rotatably connected between two sides of each notch, and a resistance spring (103) is fixedly connected between the bottom of the resistance block (102) and the bottom of each notch.

3. The home elevator wick automatic tensioning device according to claim 1, characterized in that: the stopping device (4) comprises a fixing frame, one side of the fixing frame is provided with a one-way bearing, the inner wall of the one-way bearing is fixedly connected with a resistance disc (401), and one side of the resistance disc (401) is provided with a guide groove (402) matched with the resistance block (102).

4. The home elevator wick automatic-tensioning apparatus according to claim 1, wherein: tension hoist mechanism (5) have seted up square frame (502) including fixed plate (501), fixed plate (501) middle part, and a plurality of relaxation springs (503) of fixedly connected with between square frame (502) one end inner wall and fixed plate (501), wherein rotate between square frame (502) one end both sides and be connected with resistance pivot (504).

5. The home elevator wick automatic-tensioning apparatus according to claim 4, wherein: two sides of one side of the fixing plate (501) are provided with convex blocks, wherein one side of the fixing plate (501) is provided with Contraband-shaped plates (505) and 21274, and two ends of each shaped plate (505) are connected with the fixing plate (501) through fixing screws (506).

6. The home elevator wick automatic tensioning device according to claim 3, characterized in that: one side of the fixing frame is fixedly connected with a right-angle plate (403), one side of the right-angle plate (403) is fixedly connected with two bolt rods (404), and the bottom of each bolt rod (404) is fixedly connected with two positioning blocks.

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