CN209922684U

CN209922684U - Elevator auxiliary lifting device

Info

Publication number: CN209922684U
Application number: CN201920787938.0U
Authority: CN
Inventors: 高晓明; 孙利剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-10
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a lifting device is assisted to elevator, drive the main control system that the car goes up and down including car, lift system and being used for normal drive lift system, it is provided with the supplementary elevation structure that is used for driving the car to go up and down when main control system became invalid to still connect on the car, supplementary elevation structure and rail access among the lift system. The utility model discloses cross the card joint and drive the driving gear rotation in ratchet opening, thereby form supplementary decline effect, and after the floor export that the car descends to being closest, the auxiliary motor is closed under the switch board effect, lose external force and pull the back, when the elevator resumes the operation, supplementary haulage rope can be withdrawn from the reel, after the operating system is out of control, supplementary elevation structure's operation can not lead to the fact the influence to the traction sheave, and after the elevator resumes the operation, elevation system's operation can not lead to the fact the influence to supplementary elevation structure yet, two sets of system architecture are relatively independent but can form a complete set use again.

Description

Elevator auxiliary lifting device

Technical Field

The utility model relates to an elevator field specifically is an elevator auxiliary lifting device.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. Elevators have become an essential facility for high-rise buildings, but the potential safety hazards of elevators have not been completely solved, particularly when elevators fail, an auxiliary mechanism is required to achieve smooth movement of the car to the nearest landing to ensure passenger safety in the event of failure of the primary elevator mechanism.

In the prior art, the auxiliary lifting mechanism generally adopts a set of independent lifting mechanism, and the structure of the auxiliary lifting mechanism is similar to that of the main lifting mechanism, but the design is relatively complex in structural aspect, and simultaneously the requirement is the same as that of the main lifting mechanism, so the cost required by the installation and the use of the auxiliary lifting mechanism is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator assists elevating gear to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a supplementary elevating gear of elevator, includes car, lift system and is used for normally driving the main control system that lift system drove the car and goes up and down, still connect on the car and be provided with the supplementary elevation structure that is used for driving the car and goes up and down when main control system became invalid, supplementary elevation structure rail by rail inserts among the lift system.

Further, the car sets up in the elevartor shaft, the elevartor shaft top level is provided with the mount, main control system and operating system all set up in the elevartor shaft.

Furthermore, the lifting system comprises a traction sheave positioned above the placement frame, a pair of tension pulleys positioned below the car and a counterweight, wherein a main traction rope is arranged on the periphery of the traction sheave, one end of the main traction rope is fixedly connected with the upper end of the car, and the other end of the main traction rope penetrates through the counterweight after passing through the placement frame and bypasses the lower parts of the pair of tension pulleys and then is fixedly connected with the lower end of the car; the traction sheave is connected with a driving motor.

Furthermore, the lifting system further comprises a right guide wheel positioned above the placing frame, the right guide wheel is positioned above the counterweight, and the main traction rope bypasses the periphery of the right guide wheel.

Furthermore, the main control system comprises a control cabinet arranged on the placement frame and a traveling cable connected between the control cabinet and the car.

Furthermore, supplementary elevation structure is including fixing the auxiliary mechanism in car upper end, rotating the left leading wheel that sets up in the mount frame top and the wiring sets up in auxiliary mechanism and the end is connected fixed supplementary haulage rope with the counter-weight upper end behind left leading wheel and the right leading wheel.

Furthermore, the auxiliary mechanism internal rotation is connected and is set up coaxial pivoted driven gear and reel, supplementary haulage rope one end wiring is fixed on the reel, still rotate among the auxiliary mechanism connect be provided with driven gear meshing driven driving gear, driving gear one end is through driver and auxiliary motor connection transmission.

Furthermore, a plurality of groups of cards are rotatably connected and arranged in the driver through torsion springs, and the cards are sequentially arranged in an inclined manner in the anticlockwise direction; the ratchet driver is characterized in that a ratchet wheel is concentrically arranged in the driver, ratchet wheel openings of the ratchet wheel are sequentially arranged clockwise, the ratchet wheel openings of the ratchet wheel are movably clamped with the card, and one end of the ratchet wheel is coaxially connected and fixed with the driving gear.

Compared with the prior art, the beneficial effects of the utility model are that: after the elevator lifting system has problems, the auxiliary motor is started to rotate on the movable driving gear, so that the driven gear and the reel rotate and wind the auxiliary traction rope, the counterweight can be lifted by the auxiliary traction rope and the elevator car can be driven to stably descend to the nearest floor outlet, when the auxiliary motor drives the driver to rotate, the driving gear can be driven to rotate in the ratchet wheel opening through the clamping piece in a clamping manner, so that an auxiliary descending effect is formed, after the elevator car descends to the nearest floor outlet, the auxiliary motor is closed under the action of the control cabinet, after external force traction is lost, when the elevator recovers to operate, the auxiliary traction rope can be withdrawn from the reel, when the reel and the driven gear rotate reversely, the driving gear drives the ratchet wheel to relatively reversely rotate in the driver without driving the driver to rotate, and the auxiliary motor can not generate influence, so that the design is realized, after the lifting system is out of control, the operation of the auxiliary lifting structure cannot influence the traction sheave, and after the elevator recovers to operate, the operation of the lifting system cannot influence the auxiliary lifting structure, and the two sets of system structures are relatively independent and can be matched for use.

Drawings

Fig. 1 is a schematic view of the construction of an auxiliary lifting device for an elevator.

Fig. 2 is a schematic view showing the structure of an auxiliary mechanism in an auxiliary lifting device for an elevator.

Fig. 3 is a schematic structural diagram of a-a in fig. 2.

Fig. 4 is a schematic view showing the structure of a driver in an auxiliary lifting device for an elevator.

In the figure: 1-a car, 2-a placement frame, 3-a traction sheave, 4-a right guide sheave, 5-a left guide sheave, 6-a main traction rope, 7-a counterweight, 8-a tension sheave, 9-an auxiliary mechanism, 91-a driving gear, 92-a driven gear, 93-a reel, 94-an auxiliary motor, 95-a driver, 96-a card, 97-a ratchet wheel, 10-an auxiliary traction rope, 11-a control cabinet and 12-a traveling 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.

Example 1

Please refer to fig. 1-3, in the embodiment of the utility model provides an in, a supplementary elevating gear of elevator, drive the main control system that car 1 goes up and down including car 1, operating system and being used for normal drive operating system, still connect on the car 1 and be provided with the supplementary elevation structure that is used for driving 1 lifts of car when main control system became invalid, supplementary elevation structure and rail access to among the operating system.

The lift car 1 is arranged in an elevator shaft, a placing frame 2 is horizontally arranged above the elevator shaft, and the main control system and the lifting system are both arranged in the elevator shaft.

The lifting system comprises a traction sheave 3 positioned above the placement frame 2, a pair of tension pulleys 8 positioned below the car 1 and a counterweight 7, wherein a main traction rope 6 is arranged on the periphery of the traction sheave 3, one end of the main traction rope 6 is fixedly connected with the upper end of the car 1, and the other end of the main traction rope penetrates through the counterweight 7 through the placement frame 2 and bypasses the lower part of the pair of tension pulleys 8 to be fixedly connected with the lower end of the car 1; the traction sheave 3 is connected with a driving motor, so that the traction sheave 3 can drive the car 1 to lift when rotating.

The lifting system further comprises a right guide wheel 4 positioned above the placing frame 2, the right guide wheel 4 is positioned above a counterweight 7, and the main traction rope 6 bypasses the periphery of the right guide wheel 4. The right guide wheel 4 serves to assist in keeping the counterweight 7 stable.

The main control system comprises a control cabinet 11 arranged on the placement frame 2 and a traveling cable 12 connected between the control cabinet 11 and the car 1, and the control cabinet 11 controls the system to run through the traveling cable 12.

The auxiliary lifting structure comprises an auxiliary mechanism 9 fixed at the upper end of the car 1, a left guide wheel 5 rotatably arranged above the placing frame 2 and an auxiliary traction rope 10 which is wound in the auxiliary mechanism 9 and is fixedly connected with the upper end of the counterweight 7 at the tail end through the left guide wheel 5 and the right guide wheel 4.

The auxiliary mechanism 9 is rotatably connected with a driven gear 92 and a reel 93 which are coaxially rotated, one end of an auxiliary traction rope 10 is fixed on the reel 93 in a winding manner, a driving gear 91 which is in meshing transmission with the driven gear 92 is further rotatably connected in the auxiliary mechanism 9, and one end of the driving gear 91 is connected and driven through a driver 95 and an auxiliary motor 94.

Thus, after a problem occurs in the elevator hoist system, the auxiliary motor 94 is started to rotate on the movable driving gear 91, so that the driven gear 92 and the reel 93 rotate and wind the auxiliary traction rope 10, and the counterweight 7 can be lifted by the auxiliary traction rope 10 and the car 1 can be smoothly lowered to the nearest floor outlet.

Example 2

Referring to fig. 4, in an embodiment of the present invention, in the embodiment of the present invention, on the basis of embodiment 1, a plurality of sets of cards 96 are rotatably connected and disposed in the transmission 95 through torsion springs, and the cards 96 are sequentially inclined in an anticlockwise direction; the driver 95 is concentrically provided with a ratchet 97, the ratchet openings of the ratchet 97 are arranged clockwise, the ratchet openings of the ratchet 97 are movably clamped with the card 96, and one end of the ratchet 97 is coaxially connected and fixed with the driving gear 91.

When the auxiliary motor 94 drives the driver 95 to rotate, the driving gear 91 can be driven to rotate in the ratchet opening of the ratchet 97 through the clamping piece 96, so that an auxiliary descending effect is formed, after the lift car 1 descends to the nearest floor outlet, the auxiliary motor 94 is closed under the action of the control cabinet 11, after external force traction is lost, when the lift returns to the running state, the auxiliary traction rope 10 can be withdrawn from the winding reel 93, when the winding reel 93 and the driven gear 92 rotate reversely, the driving gear 91 drives the ratchet 97 to rotate in the driver 95 in the opposite direction, the driver 95 cannot be driven to rotate, and influence cannot be generated on the auxiliary motor 94.

By adopting the design, after the lifting system is out of control, the operation of the auxiliary lifting structure cannot influence the traction sheave 3, and after the elevator recovers to operate, the operation of the lifting system cannot influence the auxiliary lifting structure, and the two sets of system structures are relatively independent but can be matched for use.

The utility model discloses a theory of operation is: after a problem occurs in the elevator lifting system, the auxiliary motor 94 is started to rotate on the movable driving gear 91, so that the driven gear 92 and the winding wheel 93 rotate and wind the auxiliary traction rope 10, the counterweight 7 can be lifted by the auxiliary traction rope 10 and the car 1 can be driven to stably descend to the nearest floor exit, when the auxiliary motor 94 drives the driver 95 to rotate, the driving gear 91 can be driven to rotate in the ratchet opening of the ratchet wheel 97 through the clamping piece 96, so that an auxiliary descending effect is formed, when the car 1 descends to the nearest floor exit, the auxiliary motor 94 is closed under the action of the control cabinet 11, after external force traction is lost, when the elevator resumes operation, the auxiliary traction rope 10 can be withdrawn from the winding wheel 93, when the winding wheel 93 and the driven gear 92 rotate reversely, the driving gear 91 drives the ratchet wheel 97 to relatively rotate in the driver 95 without driving the driver 95 to rotate, the auxiliary motor 94 is not affected, and with the design, after the lifting system is out of control, the operation of the auxiliary lifting structure does not affect the traction sheave 3, and after the elevator recovers to operate, the operation of the lifting system does not affect the auxiliary lifting structure, and the two sets of system structures are relatively independent but can be matched for use.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an elevator auxiliary lifting device, includes car (1), operating system and is used for normally driving the main control system that operating system drove car (1) and goes up and down, its characterized in that, still connect on car (1) and be provided with the supplementary elevation structure that is used for driving car (1) to go up and down when main control system became invalid, supplementary elevation structure and rail access to among the operating system.

2. An elevator auxiliary lifting device according to claim 1, characterized in that the car (1) is disposed in an elevator hoistway, above which a rest frame (2) is horizontally disposed, and the main control system and the lifting system are both disposed in the elevator hoistway.

3. The auxiliary lifting device of an elevator is characterized in that the lifting system comprises a traction sheave (3) positioned above the placing frame (2), a pair of tension pulleys (8) positioned below the car (1) and a counterweight (7), a main traction rope (6) is arranged on the periphery of the traction sheave (3), one end of the main traction rope (6) is fixedly connected with the upper end of the car (1), and the other end of the main traction rope passes through the placing frame (2), penetrates through the counterweight (7), bypasses the pair of tension pulleys (8) and is fixedly connected with the lower end of the car (1).

4. An elevator auxiliary lifting device as defined in claim 3, characterized in that the lifting system further comprises a right guide pulley (4) above the mounting frame (2), the right guide pulley (4) is above the counterweight (7), and the main traction rope (6) is passed around the periphery of the right guide pulley (4).

5. An elevator auxiliary lifting device according to claim 1, characterized in that the main control system comprises a control cabinet (11) arranged on the mounting frame (2) and a trailing cable (12) connected between the control cabinet (11) and the car (1).

6. An elevator auxiliary lifting device as defined in claim 1 or 4, characterized in that the auxiliary lifting structure comprises an auxiliary mechanism (9) fixed on the upper end of the car (1), a left guide wheel (5) rotatably arranged above the mounting frame (2), and an auxiliary traction rope (10) wound in the auxiliary mechanism (9) and having an end connected and fixed with the upper end of the counterweight (7) through the left guide wheel (5) and the right guide wheel (4).

7. An elevator auxiliary lifting device as defined in claim 6, characterized in that said auxiliary mechanism (9) is rotatably connected with a coaxially rotating driven gear (92) and a reel (93), and said auxiliary traction rope (10) is fixed at one end to said reel (93) by winding.

8. An elevator auxiliary lifting device as defined in claim 7, characterized in that a driving gear (91) meshed with the driven gear (92) is rotatably connected to the auxiliary mechanism (9), and one end of the driving gear (91) is connected to and driven by a driver (95) and an auxiliary motor (94).

9. An elevator auxiliary lifting device as defined in claim 8, characterized in that a plurality of sets of locking pieces (96) are rotatably connected in the transmission (95) by torsion springs, and the locking pieces (96) are sequentially inclined in a counterclockwise direction.

10. The auxiliary lifting device of an elevator as claimed in claim 9, wherein the driver (95) is concentrically provided with a ratchet (97), the ratchet openings of the ratchet (97) are arranged clockwise, the ratchet openings of the ratchet (97) are movably clamped with the clamping piece (96), and one end of the ratchet (97) is coaxially connected and fixed with the driving gear (91).