CN216836705U - Manual door lock device of construction elevator and construction elevator - Google Patents

Abstract

The utility model provides a construction elevator manual door locking device and construction elevator relates to construction elevator technical field, and the scheme of adoption is: the automatic winding device is connected with a steel wire rope, the steel wire rope is connected with a lock pin, a limiting part is arranged on the lock pin, the automatic winding device further comprises a positioning device, the lock pin is connected with the positioning device in a locking mode, and when the lock pin and the positioning device are unlocked, the automatic winding device can automatically recover the lock pin. The utility model discloses can avoid the part to warp the influence that the dislocation brought, simplify the operating procedure, make things convenient for the operator to use, realize locking fast or unblock, eliminate the potential safety hazard.

Description

Manual door lock device of construction elevator and construction elevator

Technical Field

The utility model relates to a construction elevator technical field especially relates to a manual locks of construction elevator device and construction elevator.

Background

With the development of modern society, high-rise buildings are increased, which leads to the increasing use of construction elevators when the high-rise buildings are constructed; the construction elevator consists of a lift car, a driving mechanism, a standard knot, an attached wall, a chassis, a fence, an electrical system and the like, is a manned and cargo-carrying construction machine frequently used in buildings, and has certain potential safety hazard while improving the efficiency of the construction elevator for work; the elevator door switch on the existing construction elevator is controlled by an electrical system, and the electrical system controls the elevator door to be automatically opened after the elevator car is judged to be in place, so that the mode has a complex structure, numerous involved parts and components lead to high failure rate, the construction elevator is often opened without reaching the specified position, the elevator door is opened by mistake, and the construction potential safety hazard exists; in order to solve the problem, a manual door lock is arranged on a construction elevator, but the conventional manual door lock and an elevator door are used in a building construction environment, so that collision can be generated inevitably, deformation can be generated after the manual door lock and the elevator door are used for a period of time, related parts of the door lock are staggered, and the locking pin is required to be corrected and inserted into or pulled out of a positioning device such as a slot and the like at the same time so as to realize locking or unlocking, so that the conventional manual door lock is inconvenient to operate, the use enthusiasm of an operator is influenced, and certain potential safety hazards still exist.

Therefore, in view of the current situation of the prior art, it is an urgent need to solve the problem of developing a manual door lock device for a construction elevator and a construction elevator.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the above-mentioned prior art, the utility model provides a manual locks of construction elevator and construction elevator avoids the part to warp the influence that the dislocation brought, simplifies the operating procedure, realizes locking or unblock fast, eliminates the potential safety hazard.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the manual door lock device for the construction elevator comprises an automatic winding device, wherein the automatic winding device is connected with a steel wire rope, the steel wire rope is connected with a lock pin, a limiting part is arranged on the lock pin, the lock pin is connected with the positioning device in a locking mode, and when the lock pin and the positioning device are unlocked, the automatic winding device can automatically recover the lock pin. The locking pin is connected through the steel wire rope, so that the problem that the locking and unlocking are inconvenient to lock due to dislocation is avoided, the locking pin is automatically returned through the automatic recovery device, an operator does not need to manually lift the locking pin, the operation steps are simplified, the locking device is convenient for the operator to use, and quick locking or unlocking can be realized.

Further, automatic take-up device includes the casing, the inside pivot that can rotate ground that is provided with of casing, the pivot with the casing is connected with the both ends of clockwork spring respectively, pivot and clockwork spring fluted disc mechanical connection, the gear drive cooperation on clockwork spring fluted disc and the winding roller, the winding roller rotationally sets up on the casing, the winding roller with wire rope connects. Can provide power for coiling wire rope through the clockwork spring, compare and adopt power supplies reliability such as electronic, pneumatics and hydraulic pressure higher, do not need on-off control to retrieve, it is simple to use laborsaving to make wire rope coiling speed of retrieving faster, energy-concerving and environment-protective simultaneously.

Furthermore, one end of the lock pin is connected with the steel wire rope, the other end of the lock pin is provided with a containing cavity, the containing cavity is internally provided with the limiting part, the limiting part comprises a spring and a limiting shaft, the telescopic direction of the spring is perpendicular to the axial direction of the lock pin, the spring is arranged in the containing cavity, the jumping end of the spring is connected with the tail part of the limiting shaft, when the spring is in a natural state, the head part of the limiting shaft extends out of the containing cavity, when the spring is in a compressed state, the limiting shaft is located in the containing cavity, the positioning device comprises a positioning sleeve, the positioning sleeve is provided with a lock hole, and when the limiting shaft faces the lock hole, the limiting shaft can be inserted into the lock hole. The locking pin and the positioning device can be automatically positioned, the operation is simplified, and the efficiency is improved.

Furthermore, the head of the limiting shaft is hemispherical. The resistance of the lock pin in the positioning sleeve during movement can be reduced, and the operation is not blocked.

Furthermore, a pressing piece is arranged outside the positioning sleeve, one end of the pressing piece is connected with the positioning sleeve through a hinge, a protrusion is arranged at the other end of the pressing piece, the protrusion is arranged opposite to the lock hole, and the protrusion can be inserted into the lock hole by pressing the pressing piece. Can make spacing axle retract through the pressing piece, convenient operation.

Furthermore, a return spring is arranged on the hinge and comprises two support legs, and the support legs are respectively and correspondingly connected with the positioning sleeve and the pressing piece. The pressing piece can be automatically reset, and the operation efficiency is improved.

Furthermore, the lockhole is rectangular, the lockhole is followed locating sleeve circumference sets up, the radian that the lockhole corresponds is greater than 270. Can make spacing axle stretch out from the lockhole in a plurality of directions homoenergetic, need not the position alignment, further simplified operation raises the efficiency.

Furthermore, the shell is further provided with a guide sleeve, the steel wire rope penetrates through the guide sleeve, and the lock pin is clamped at the lower end of the guide sleeve through the limiting shaft. The lock pin can be prevented from being excessively recovered, so that the lock pin is inconvenient for an operator to pull.

The utility model also provides a construction elevator, including last elevator door and lower elevator door, still including the manual locks of construction elevator, automatic winding device sets up go up on the elevator door, positioner sets up down on the elevator door. The elevator door can be conveniently used by an operator, and safety accidents caused by mistaken opening of the elevator door are prevented.

The utility model also provides a construction elevator, including last elevator door, lower lift-cabin door and axle railway carriage or compartment door frame, still including the manual door lock device of construction elevator, the manual door lock device of construction elevator is provided with four, and wherein two automatic winding devices set up go up on the elevator door, two other automatic winding devices set up on the lift-cabin door down, positioner sets up respectively on the axle railway carriage or compartment door frame, positioner and corresponding automatic winding device sets up relatively. The elevator door opening and closing control device can control the opening and closing of the upper elevator door or the lower elevator door respectively, meets more use requirements, and further improves the safety level.

According to the technical scheme, the utility model has the advantages of it is following:

the technical scheme provides a manual door lock device of a construction elevator and the construction elevator, which simplify the operation steps during unlocking and locking, facilitate the use and realize quick unlocking and locking by using a steel wire rope and an automatic winding device; the steel wire rope is wound more quickly by using the spring as power for winding the steel wire rope, so that the reliability of the automatic winding device is higher; by arranging the limiting shaft, the spring, the lock hole and the pressing piece, locking and unlocking can be conveniently and rapidly realized, and the efficiency is improved; by using the guide sleeve, the lock pin can be prevented from being excessively recovered by the automatic winding device and inconveniently pulled.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural view of an automatic winding device according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view of a lock pin according to a first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a positioning device according to a first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a positioning device according to a second embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a fourth embodiment of the present invention.

In the figure, 1, an automatic winding device, 11, a shell, 12, a spring, 13, a rotating shaft, 14, a spring fluted disc, 15, a first gear, 16, a guide sleeve, 17, a second gear, 18, a winding roller, 19, a screw, 2, a steel wire rope, 3 lock pins, 31, a connecting hole, 32, a spring, 33, an accommodating cavity, 34, a limiting shaft, 4, a positioning sleeve, 41, a lock hole, 42, a hinge, 43, a return spring, 44, a pressing piece, 45, a bulge, 5, an upper elevator door, 6, a lower elevator door, 7 and an elevator car door frame.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Detailed description of the invention

As shown in fig. 1 to 4, the utility model provides a manual door lock device for construction elevator, comprising an automatic winding device 1, a steel wire rope 2, a lock pin 3 and a positioning device; the automatic winding device 1 is connected with the steel wire rope 2, the steel wire rope 2 is connected with the lock pin 3, a limiting piece is arranged on the lock pin 3, the lock pin 3 can be locked by the positioning device, and when the lock pin 3 and the positioning device are unlocked, the automatic winding device 1 can automatically recover the lock pin 3; the lock pin 3 comprises a tail part and a head part, the tail part is provided with a connecting hole 31, the steel wire rope 2 is connected with the lock shaft 3 through the connecting hole 31, the head part of the lock pin 3 is provided with an accommodating cavity 33, a limiting part is arranged in the accommodating cavity 33 and comprises a spring 32 and a limiting shaft 34, the expansion direction of the spring 32 is vertical to the axial direction of the lock pin 3, the spring 32 is arranged in the accommodating cavity 33, the jumping end of the spring 32 is connected with the tail part of the limiting shaft 34, the head part of the limiting shaft 34 is hemispherical, when the spring 32 is in a natural state, the head part of the limiting shaft 34 can extend out of the accommodating cavity 33, and when the spring 32 is in a maximum compression state, the limiting shaft 34 can be completely pressed into the accommodating cavity 33; the positioning device comprises a positioning sleeve 4, the lock pin 3 can move in the positioning sleeve 4, a lock hole 41 is formed in the positioning sleeve 4, and when the limiting shaft 34 is opposite to the lock hole 41, the head of the limiting shaft 34 can extend out of the lock hole 41; the outer part of the positioning sleeve 4 is also provided with a pressing piece 44, one end of the pressing piece 44 is connected with one end of the positioning sleeve 4 through a hinge 42, a return spring 32 is arranged on a pin shaft of the hinge 42, the return spring 32 comprises two support legs, the two support legs are respectively correspondingly connected with the outer surface of the positioning sleeve 4 and the lower surface of the pressing piece 44, the other end of the pressing piece 44 is provided with a bulge 45, the bulge 45 is of a conical structure, the diameter of the bulge 45 is smaller than that of the limiting shaft 34, the tip end of the bulge 45 is opposite to the lock hole 41, and the bulge 45 can be abutted against the limiting shaft 34 under the action of external force to enable the limiting shaft 34 to retract into the accommodating cavity 33; the automatic winding device 1 may adopt the following specific structure: comprises a clockwork spring 12, a shell 11, a rotating shaft 13, a clockwork spring fluted disc 14 and a winding roller 18; a rotating shaft 13 is rotatably arranged in the shell 11, and the rotating shaft 13 is vertical to the shell 11; the shell 11 and the rotating shaft 13 are respectively fixedly connected with two ends of the clockwork spring 12 through screws 19; one end of the rotating shaft 13 is in key connection with a clockwork fluted disc 14, the clockwork fluted disc 14 is meshed with a first transmission gear 15, the first transmission gear 15 is meshed with a second transmission gear 17, the second transmission gear 17 is in key connection with a winding roller 18, the winding roller 18 is rotatably arranged on the shell 11, the winding roller 18 is connected with the steel wire rope 2, when the clockwork 1 is released, the rotating shaft 13 can be driven to rotate, so that the lock pin 3 is driven to be recovered, and when the lock pin 3 is locked in the positioning sleeve 4, the clockwork 12 is twisted to store force; the shell 11 is further provided with a guide sleeve 16, the steel wire rope 2 can move in the guide sleeve 16, and the lock pin 3 is clamped at the lower end of the guide sleeve 16 through the head of the limiting shaft 34 to prevent the steel wire rope from being excessively recovered and inconvenient to pull.

In the embodiment, the length of the steel wire rope is prevented from being overlong, so that the situation that when the electric control system controls the upper elevator door and the lower elevator door to move, a large relative movement distance is generated between the upper elevator door and the lower elevator door, and potential safety hazards are still generated is prevented; in addition, the maximum tension force which can be generated by the spring is larger than the tension force which is applied when the elevator door is opened, so that the spring is prevented from generating plastic deformation when the elevator door moves up and down, and the service life of the spring is prevented from being influenced.

The working process of the manual door lock device of the construction elevator is as follows:

when the upper elevator door and the lower elevator door need to be locked after being closed, the lock pin 3 is pulled manually, the lock pin 3 is inserted into the positioning sleeve 4, the lock pin 3 is rotated in the insertion process, the limiting shaft 34 can be opposite to the lock hole 41, and when the head of the limiting shaft 34 is automatically popped out of the lock hole 41, the locking is completed; when the unlocking is needed, pressure is applied to the pressing piece 44 in the direction of the positioning sleeve 4, the protrusion on the pressing piece 44 is contacted with the limiting shaft 34, the limiting shaft 34 retracts, the limiting effect is lost, and the lock pin 3 is pulled back and is clamped by the guide sleeve 16 under the action of the clockwork spring 12 of the automatic winding device 1, so that excessive recycling is prevented.

Detailed description of the invention

As shown in fig. 5, on the basis of the first embodiment, the positioning device may adopt the following specific structure: the positioning device comprises a positioning sleeve 4, a long-strip-shaped locking hole 41 is formed in the positioning sleeve 4, the locking hole 41 is arranged along the circumferential direction of the positioning sleeve 4, and the radian of the locking hole 41 is 275 degrees; the pressing piece 44 is omitted, the head of the limiting shaft 34 can be directly pressed by fingers to retract into the accommodating cavity 33 of the lock pin 3, unlocking is realized, and the lock pin 3 is recovered by the automatic winding device 1; the whole structure is simplified, the relative position of the lock pin 3 and the lock hole 41 does not need to be accurately adjusted during locking, and the operation is convenient.

The working process of the manual door lock device of the construction elevator is as follows:

when the upper and lower elevator doors are closed and need to be locked, the lock pin 3 is manually pulled to enable the lock pin 3 to be inserted into the positioning sleeve 4, and when the head of the limiting shaft 34 is automatically popped out from the lock hole 41, the locking is finished; when the unlocking is needed, the head of the limiting shaft 34 is pressed by fingers, the limiting shaft 34 retracts, the limiting effect is lost, and the lock pin 3 is pulled back and clamped by the guide sleeve 16 under the action of the clockwork spring 12 of the automatic winding device 1, so that excessive recovery is prevented.

On the other hand, the utility model discloses still provide two kinds of construction elevators that adopt above-mentioned construction elevator manual door locking device:

detailed description of the invention

As shown in fig. 6, one of the construction elevators includes an upper elevator door and a lower elevator door, and further includes a manual door lock device for the construction elevator, in which an automatic winding device 1 and a positioning sleeve 4 are respectively provided on the upper elevator door 5 and the lower elevator door 6 by bolts in an up-and-down opposite manner; the elevator door can be prevented from being opened by mistake, the operation is convenient and fast, and the potential safety hazard is avoided.

Detailed description of the invention

As shown in fig. 7, another construction elevator includes an upper elevator door 5, a lower elevator door 6, and a car door frame 7, and the present embodiment includes four construction elevator manual door lock devices, in which the automatic winding devices 1 of two construction elevator manual door lock devices are respectively symmetrically disposed at both sides of the upper elevator door 5; the other two automatic winding devices 1 are respectively and symmetrically arranged at two sides of the lower elevator door 6; the four positioning sleeves 4 are arranged corresponding to the car door frames 7 through bolts and are opposite to the automatic winding device 1; the upper elevator door 5 or the lower elevator door 6 can be controlled to be opened or closed respectively, more use requirements are met, and the safety level is further improved.

When the construction elevator is in use, lubricating grease is regularly coated on the winding roller 18, so that the steel wire rope 2 is prevented from rusting and generating blockage; regularly checking whether the clockwork spring 12 is plastically deformed and timely replacing the clockwork spring; the retainer spring 32 is periodically checked for plastic deformation and replaced in time to avoid jamming.

It can be seen from the above detailed description that the present invention has the following beneficial effects:

1. by using the steel wire rope 2 and the automatic winding device 1, the operation steps during unlocking and locking are simplified, the use is convenient, and quick unlocking and locking are realized;

2. by using the clockwork spring 12 as the power for winding the wire rope 2, the wire rope 2 is wound more rapidly, and the automatic winding device 1 has higher reliability;

3. by arranging the limiting shaft 34, the spring 32, the lock hole 41 and the pressing piece 44, locking and unlocking can be conveniently and rapidly realized, and the efficiency is improved;

4. by using the guide sleeve 16, the lock pin 3 can be prevented from being excessively recovered by the automatic winding device 1 and inconveniently pulled.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The manual door lock device for the construction elevator is characterized by comprising an automatic winding device (1), wherein the automatic winding device (1) is connected with a steel wire rope (2), the steel wire rope (2) is connected with a lock pin (3), a limiting piece is arranged on the lock pin (3), the lock pin (3) is in locking connection with a positioning device, and when the lock pin (3) and the positioning device are unlocked, the automatic winding device (1) can automatically recover the lock pin (3).

2. The manual door lock device of the construction elevator as claimed in claim 1, wherein the automatic winding device (1) comprises a housing (11), a rotatable shaft (13) is disposed inside the housing (11), the shaft (13) and the housing (11) are respectively connected to two ends of a spring (12), the shaft (13) is mechanically connected to a spring toothed disc (14), the spring toothed disc (14) is in driving fit with a gear on a winding roller (18), the winding roller (18) is rotatably disposed on the housing (11), and the winding roller (18) is connected to the wire rope (2).

3. The manual door lock device for construction elevators according to claim 2, wherein one end of the locking pin (3) is connected to the wire rope (2), the other end of the locking pin (3) is provided with a receiving cavity (33), the stopper is provided in the receiving cavity (33) and comprises a spring (32) and a stopper shaft (34), the extension and contraction direction of the spring (32) is perpendicular to the axial direction of the locking pin (3), the spring (32) is provided in the receiving cavity (33), the jumping end of the spring (32) is connected to the tail of the stopper shaft (34), the head of the stopper shaft (34) extends out of the receiving cavity (33) when the spring (32) is in a natural state, the stopper shaft (34) is located in the receiving cavity (33) when the spring (32) is in a compressed state, and the positioning device comprises a positioning sleeve (4), the positioning sleeve (4) is provided with a lock hole (41), and when the limiting shaft (34) is opposite to the lock hole (41), the limiting shaft (34) can be inserted into the lock hole (41).

4. The manual door lock apparatus for construction elevators according to claim 3, wherein the head of the stopper shaft (34) has a hemispherical shape.

5. A manual door lock device for a construction elevator according to claim 3, wherein a pressing member (44) is provided outside the positioning sleeve (4), one end of the pressing member (44) is connected to the positioning sleeve (4) by a hinge (42), the other end of the pressing member (44) is provided with a protrusion (45), the protrusion (45) is disposed opposite to the locking hole (41), and the protrusion (45) can be inserted into the locking hole (41) by pressing the pressing member (44).

6. The manual door lock device for construction elevators according to claim 5, wherein a return spring (43) is provided on the hinge (42), and the return spring (43) includes two legs which are respectively connected to the positioning sleeve (4) and the pressing piece (44).

7. A manual door lock device for construction elevators according to claim 3, wherein the locking hole (41) is a long hole, the locking hole (41) is disposed along the circumference of the positioning sleeve (4), and the locking hole (41) corresponds to an arc greater than 270 °.

8. The manual door lock device for the construction elevator according to claim 3, wherein a guide sleeve (16) is further provided on the housing (11), the wire rope (2) passes through the guide sleeve (16), and the lock pin (3) is locked at the lower end of the guide sleeve (16) by the limit shaft (34).

9. Construction elevator, characterized in that it comprises an upper elevator door (5) and a lower elevator door (6), and further comprises a construction elevator manual door lock device according to any of claims 1-8, the automatic winding device (1) being arranged on the upper elevator door (5), and the positioning device being arranged on the lower elevator door (6).

10. A construction elevator, characterized by comprising an upper elevator door (5), a lower elevator door (6) and a car frame (7), and further comprising the construction elevator manual door lock device according to any one of claims 1 to 8, which is provided with four, wherein two automatic winding devices (1) are provided on the upper elevator door (5), and the other two automatic winding devices (1) are provided on the lower elevator door (6), and positioning devices are provided on the car frame (7), respectively, which are disposed opposite to the respective automatic winding devices (1).

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