CN216737102U - High-sensitivity elevator door motor braking device - Google Patents

Abstract

The utility model relates to the technical field of elevator door motor braking, and discloses a high-sensitivity elevator door motor braking device. The first signal wire can be communicated with the first signal wire loop through the contact block, so that the trigger type telescopic rod component acts to insert the telescopic end into the sill, the deformation and derailment of the guide sliding block at the lower end of the car door can be effectively avoided, and after the elastic component is completely deformed by impact force, the compensation spring is stressed to deform and offset the damage of the impact force to the joint through the displacement compensation of the connecting block.

Description

High-sensitivity elevator door motor braking device

Technical Field

The utility model relates to the technical field of elevator door motor braking, in particular to a high-sensitivity elevator door motor braking device.

Background

The light curtains are symmetrically and vertically arranged on two sides of a car door of the elevator, whether barriers exist between door gaps in the door closing process is confirmed through light signals emitted by the light curtains and received light signals so as to control the door closing process, although some light curtains in the existing application accord with national standards, the light curtains have large intervals and low sensitivity, along with consumption in use, the opening and closing of a plurality of elevator doors are extremely insensitive, the noise is large, and serious potential safety hazards exist, even if good light curtain strips exist, the light curtains can only be detected when the barriers are located at the door gaps opposite to the door and the door, the existing elevator grabbing behavior is often realized in actual use, the impact force of people firstly impacts the front ends of the door gaps, and the light curtains cannot irradiate at the positions, so that the elevator doors are often severely impacted, the potential safety hazards exist, and meanwhile, the elevator doors are difficult to be damaged, in view of the above-mentioned deficiency, propose a kind of high sensitive elevator door motor arresting gear.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the problems in the above, a highly sensitive elevator door motor brake apparatus is provided, which solves the above-mentioned problems.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

a high-sensitivity elevator door motor braking device comprises an elevator door motor, a controller for controlling the elevator door motor, a mechanical lock, an electric lock, a car door, an impact braking device, a guide sliding block and a sill, wherein the impact braking device is in a long strip shape and comprises a fixed core, a strip-shaped sleeve and a limiting sleeve, the fixed core is fixed at a door seam of the car door through bolts, the limiting sleeve is fixed at the upper end and the lower end of the guide sliding block through bolts, a right-angle clamping groove is formed in the limiting sleeve, the upper end and the lower end of the strip-shaped sleeve are inserted in the right-angle clamping groove, the strip-shaped sleeve is sleeved on one side of the fixed core in a semi-surrounding manner, an elastic component is arranged between the strip-shaped sleeve and the fixed core, the elastic component can be a plate-shaped spring or a spring, the two ends of the elastic component are respectively abutted against the fixed core and the strip-shaped sleeve, the signal wire fixing device is characterized in that a signal wire loop is arranged in the fixing core in parallel, two contact blocks are arranged on three faces of the fixing core respectively, conductive blocks are arranged on three inner wall faces of the strip-shaped sleeve respectively and are in simultaneous contact with the two contact blocks on the same face, one contact block is arranged on each of three planes of the fixing core and is connected with the signal wire, the other three contact blocks are connected with the signal wire loop, one end of the signal wire is connected with a controller, and one end of the signal wire loop is connected with a motor.

Preferably, the fixed core is further provided with a first signal line and a first signal line loop which are not in contact with each other, one end of the first signal line is connected with a power supply, the lower end of the car door is fixedly provided with a trigger type telescopic rod component, the lower end of the trigger type telescopic rod component is inserted into a telescopic sill in a telescopic mode, one end of the first signal line loop is communicated with the trigger type telescopic rod component, the front side surface and the rear side surface of the fixed core are respectively provided with one sill which is connected with the first signal line, and the other two contact blocks are connected with the first signal line loop.

Preferably, the triggering type telescopic rod part is downward opened, an electromagnet is fixedly arranged in the triggering type telescopic rod part, the electromagnet is communicated with the first signal line loop, a sliding groove is formed in the triggering type telescopic rod part, a steel column slides up and down on the sliding groove, and a permanent magnet with the polarity opposite to that of the lower end face of the electromagnet is fixedly arranged at the upper end of the steel column.

Preferably, the quick-release compensation device further comprises a quick-release compensation part, a sliding column is fixedly arranged in the quick-release compensation part, a connecting block is arranged in the sliding column in a sliding mode, compensation springs are arranged between two ends of the connecting block and the quick-release compensation part and sleeved on the sliding column, a threaded connecting seat is fixedly arranged on the right end face of the quick-release compensation part, the threaded connecting seat is fixedly connected with the car door through bolts, and the force required by elastic deformation of the compensation springs is greater than the elastic deformation force of the elastic component.

Preferably, the steel column is in a ladder shape with a small lower part and a large upper part.

Preferably, the lower extreme of steel post is fixed and is equipped with soft pad, soft pad can be rubber gasket, silica gel gasket.

The utility model has the advantages and positive effects that: when the car door edge is impacted by collision or transparent substances or tiny objects which are difficult to detect by a light curtain are arranged between the doors, the strip-shaped sleeve is extruded and deformed to enable the conductive blocks on the corresponding stress surfaces to simultaneously contact with the corresponding contact blocks, and after the contact, the signal wire is conducted with the signal wire loop, so that a brake signal is sent to the elevator door machine by the controller to stop and reverse the elevator door machine to avoid potential safety hazards, when impact force comes from the front surface and the rear surface of the car door, the light curtain can not act, the first signal wire can be communicated with the first signal wire loop through the contact blocks, the trigger type telescopic rod component acts to insert the telescopic end into the sill, the guide sliding block at the lower end of the car door can be effectively prevented from deforming and derailing, after the elastic component is completely deformed by the impact force, the compensation spring can deform the stress force to offset the damage to the connection position through the displacement compensation of the connecting block, the device adopts mechanical cooperation low failure rate, is difficult for receiving the influence of other environmental factors.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

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

FIG. 2 is an enlarged broken-away schematic view of the impact arrestor of FIG. 1;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line A-A of the alternate embodiment of FIG. 2;

FIG. 5 is a schematic view of the stop collar of FIG. 2 in full section;

FIG. 6 is a schematic view of an assembly structure of the impact braking device, the quick release compensation member and the fixed core according to the present invention;

FIG. 7 is a schematic view of the quick release compensator of FIG. 6;

FIG. 8 is a schematic view in full section of the trigger telescoping mast assembly of FIG. 1;

fig. 9 is a schematic view of a full sectional structure of another embodiment of the trigger telescoping rod unit of fig. 1.

The scores in the figures are as follows: 10. a car door; 11. mechanical clamping and locking; 12. an electric lock; 13. an impact braking device; 14. a guide slider; 15. a limiting sleeve; 17. an elastic member; 18. a conductive block; 19. A signal line; 20. a signal line circuit; 21. a right-angle clamping groove; 22. a quick release compensation member; 24. a sliding post; 25. a compensation spring; 26. connecting blocks; 27. a sill; 28. a trigger telescoping rod member; 29. an electromagnet; 30. a chute; 31. a steel column; 32. a permanent magnet; 33. a soft cushion; 34. a first signal line loop; 35. a first signal line; 37. a contact block; 38. fixing the core; 40. a strip-shaped sleeve; 41. a threaded connection seat.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1-9, the highly sensitive elevator door braking device according to the present invention includes an elevator door motor and a controller for controlling the elevator door motor, and further includes a mechanical latch 11, an electric lock 12, a car door 10, an impact braking device 13, a guide slider 14, and a sill 27, where the impact braking device 13 is in a long strip shape, the impact braking device 13 includes a fixed core 38, a strip-shaped sleeve 40, and a stop collar 15, the fixed core 38 is fixed at a door seam of the car door 10 by a bolt, the stop collar 15 is fixed at upper and lower ends of the guide slider 14 by a bolt, a right-angle slot 21 is provided in the stop collar 15, upper and lower ends of the strip-shaped sleeve 40 are inserted into the right-angle slot 21, the strip-shaped sleeve 40 is sleeved on one side of the fixed core 38 in a semi-surrounding manner, an elastic component 17 is provided between the strip-shaped sleeve 40 and the fixed core 38, the elastic component 17 may be a plate-shaped spring or a spring, two ends of the elastic component 17 respectively abut against the fixed core 38 and the strip-shaped sleeve 40, the fixed core 38 is internally provided with a signal line loop 20 and a signal line 19 in parallel, three surfaces of the fixed core 38 are respectively provided with two contact blocks 37, three inner wall surfaces of the strip-shaped sleeve 40 are respectively provided with a conductive block 18, the conductive blocks 18 are simultaneously contacted with the two contact blocks 37 on the same surface, three planes of the fixed core 38 are respectively provided with one contact block 37 connected with the signal line 19, the other three contact blocks 37 are respectively connected with the signal line loop 20, one end of the signal line 19 is connected with a controller, and one end of the signal line loop 20 is connected with a motor;

when the elevator door is impacted by collision or transparent substances or fine objects which are difficult to detect by a light curtain are arranged between the doors, the strip-shaped sleeve 40 is extruded and deformed to enable the conductive block 18 on the corresponding stress surface to simultaneously contact with the corresponding contact block 37, and after the contact, the signal wire 19 is conducted with the signal wire loop 20, so that the controller sends a braking signal to the elevator door motor to stop and reverse the elevator door motor, thereby avoiding potential safety hazards.

Preferably, a first signal line 35 and a first signal line loop 34 which are not in contact with each other are further arranged in the fixed core 38, one end of the first signal line 35 is connected with a power supply, a trigger type telescopic rod member 28 is fixedly arranged at the lower end of the car door 10, the lower end of the trigger type telescopic rod member 28 is telescopically inserted into a telescopic sill 27, one end of the first signal line loop 34 is communicated with the trigger type telescopic rod member 28, one sill 27 is respectively arranged on each of the front side surface and the rear side surface of the fixed core 38 and connected with the first signal line 35, and the other two contact blocks 37 are connected with the first signal line loop 34;

when impact force comes from the front and rear surfaces of the car door 10, the light curtain cannot act, the first signal line 35 can be communicated with the first signal line loop 34 through the contact block 37, so that the trigger type telescopic rod component 28 is triggered to act to insert the telescopic end into the sill 27, and deformation and derailment of the guide slider 14 at the lower end of the car door 10 can be effectively avoided.

Preferably, the trigger type telescopic rod component 28 is open downward, an electromagnet 29 is fixedly arranged in the trigger type telescopic rod component 28, the electromagnet 29 is communicated with the first signal line loop 34, a sliding chute 30 is arranged in the trigger type telescopic rod component 28, a steel column 31 is arranged in the sliding chute 30 in an up-and-down sliding manner, and a permanent magnet 32 with a polarity opposite to that of the lower end face of the electromagnet 29 is fixedly arranged at the upper end of the steel column 31;

when the electromagnet 29 is electrified, the electromagnet repels the permanent magnet 32, so that the steel column 31 is inserted into the sill 27 downwards, the structural design has a quick response effect compared with a hydraulic or pneumatic component, and when the electromagnet 29 is powered off, the steel column 31 is reset upwards under the magnetic attraction effect of the permanent magnet 32.

Preferably, the quick-release compensation device further comprises a quick-release compensation member 22, a sliding column 24 is fixedly arranged in the quick-release compensation member 22, a connecting block 26 is slidably arranged in the sliding column 24, a compensation spring 25 is arranged between two ends of the connecting block 26 and the quick-release compensation member 22, the compensation spring 25 is sleeved on the sliding column 24, a threaded connecting seat 41 is fixedly arranged on the right end face of the quick-release compensation member 22, the threaded connecting seat 41 is fixedly connected with the car door 10 through a bolt, and the force required by elastic deformation of the compensation spring 25 is greater than the elastic deformation force of the elastic component 17;

the strip-like sleeve 40, when receiving an impact, ensures that the signal triggers the strip-like sleeve to absorb the excessive impact force by the cooperation of the connecting block 26 and the compensating spring 25, and avoids the joint of the fixed core 38 and the car door 10 from being damaged by a large impact force.

Preferably, the steel column 31 is in a ladder shape with a small lower part and a big upper part;

to facilitate guided insertion into the sill 27.

Preferably, a soft pad 33 is fixedly arranged at the lower end of the steel column 31, and the soft pad 33 can be a rubber gasket or a silica gel gasket;

the soft cushion 33 can reduce the impact during the working time of the steel column 31, reduce the noise and avoid other chain reactions caused by the impact.

In the specific implementation, when the side of the car door 10 is impacted by collision, or transparent substances or small objects which are difficult to detect by a light curtain exist between the doors, the strip-shaped sleeve 40 is extruded and deformed to enable the conductive blocks 18 on the corresponding stress surface to simultaneously contact with the corresponding contact blocks 37, so that the signal wire 19 is conducted with the signal wire loop 20 after the contact, thus the controller sends a braking signal to the elevator door motor to stop and reverse the elevator door motor so as to avoid potential safety hazard, when impact force comes from the front and rear surfaces of the car door 10, the light curtain does not act, the first signal line 35 can be communicated with the first signal line circuit 34 through the contact block 37, so that the trigger type telescopic rod component 28 acts to insert the telescopic end into the sill 27, the deformation and derailment of the guide slide block 14 at the lower end of the car door 10 can be effectively avoided, after the impact force completely deforms the elastic component 17, the compensation spring 25 is stressed to deform, and the damage of the impact force to the connection part is counteracted through the displacement compensation of the connecting block 26.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims (6)

1. The utility model provides a high sensitive elevator door motor arresting gear, includes elevator door motor and the controller of control elevator door motor, its characterized in that: the elevator car door further comprises a mechanical lock (11), an electric lock (12), a car door (10), an impact braking device (13), a guide sliding block (14) and a sill (27), wherein the impact braking device (13) is in a long strip shape, the impact braking device (13) comprises a fixed core (38), a strip-shaped sleeve (40) and a limiting sleeve (15), the fixed core (38) is fixed at a door seam of the car door (10) through bolts, the limiting sleeve (15) is fixed at the upper end and the lower end of the guide sliding block (14) through bolts, a right-angle clamping groove (21) is arranged in the limiting sleeve (15), the upper end and the lower end of the strip-shaped sleeve (40) are inserted in the right-angle clamping groove (21), the strip-shaped sleeve (40) is sleeved on one side of the fixed core (38) in a semi-surrounding manner, an elastic component (17) is arranged between the strip-shaped sleeve (40) and the fixed core (38), the elastic component (17) can be a plate-shaped spring or a spring, two ends of the elastic component (17) are respectively propped against the fixed core (38) and the strip-shaped sleeve (40), a signal line loop (20) is arranged in the fixed core (38) in parallel, the signal line (19) is arranged on three surfaces of the fixed core (38) respectively, two contact blocks (37) are arranged, the three inner wall surfaces of the strip-shaped sleeve (40) are respectively provided with a conductive block (18), the conductive block (18) is simultaneously contacted with the two contact blocks (37) on the same surface, one contact block (37) is connected with the signal line (19) on each of three planes of the fixed core (38), the other three contact blocks (37) are connected with the signal line loop (20), one end of the signal line (19) is connected with the controller, and one end of the signal line loop (20) is connected with the motor.

2. The highly sensitive elevator door motor braking device according to claim 1, characterized in that: still be equipped with first signal line (35) that do not contact each other in fixed core (38), first signal line return circuit (34), the one end and the power of first signal line (35) are connected, the fixed trigger formula telescopic link spare (28) that is equipped with of lower extreme of car door (10), the scalable inserting of lower extreme of trigger formula telescopic link spare (28) is in flexible sill (27), the one end of first signal line return circuit (34) with trigger formula telescopic link spare (28) intercommunication, respectively have one sill (27) and be connected and two in addition on the front and back side on fixed core (38) respectively contact piece (37) with first signal line return circuit (34) are connected.

3. The highly sensitive elevator door motor braking device according to claim 2, characterized in that: trigger formula telescopic link spare (28) uncovered downwards, trigger formula telescopic link spare (28) internal fixation is equipped with electro-magnet (29), electro-magnet (29) with first signal line return circuit (34) intercommunication, be equipped with spout (30) in trigger formula telescopic link spare (28), spout (30) are gone up the gliding steel post (31) that is equipped with down, the fixed permanent magnet (32) that are equipped with electro-magnet (29) lower terminal surface polarity is opposite in the upper end of steel post (31).

4. The highly sensitive elevator door motor braking device according to claim 3, characterized in that: still including quick detach compensation piece (22), quick detach compensation piece (22) internal fixation is equipped with sliding column (24), sliding column (24) internal sliding is equipped with connecting block (26), the both ends of connecting block (26) with be equipped with compensating spring (25) between quick detach compensation piece (22), compensating spring (25) suit in on sliding column (24), the fixed threaded connection seat (41) that is equipped with of right-hand member face of quick detach compensation piece (22), threaded connection seat (41) with through bolt fixed connection between car door (10), the required power of elastic deformation takes place for compensating spring (25) is greater than the elastic deformation power of elastomeric element (17).

5. The high-sensitivity elevator door motor braking device according to claim 4, characterized in that: the steel column (31) is in a ladder shape with a small lower part and a big upper part.

6. The highly sensitive elevator door motor braking device according to claim 5, characterized in that: the lower extreme of steel post (31) is fixed and is equipped with soft pad (33), soft pad (33) can be rubber gasket, silica gel gasket.

Images