Underneath type double-guide-rail portal crane

By designing a lower-mounted double-rail door machine in the elevator, the beauty and stability problems of existing elevator door machines in sightseeing elevators are solved, and higher stability and aesthetics are achieved, improving the elevator usage experience.

CN119460969APending Publication Date: 2025-02-18SUZHOU GENESIS ELEVATOR SYST
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Patent Information

Application Number
CN202411827778.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

Existing elevator door machines affect the beauty of the car in sightseeing elevators, and the lower door machines mostly use a single guide rail structure, resulting in poor stress on the door panels, which are prone to swing, noise and poor running.

Method used

A lower-mounted double-rail door machine is designed, adopting a dual-rail structure and a special eccentric door roller, improving the connection method of the door panel, innovating the transmission structure, and equipped with an adjustable mounting bracket.

Benefits of technology

It improves the stability of the door skateboard and the stress-bearing capacity of the door panel, improves the safety and stability of the elevator door machine, expands the viewing field, reduces noise, and improves the aesthetics of the car.

✦ Generated by Eureka AI based on patent content.

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    Figure CN119460969A_ABST
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Abstract

The underneath type double-guide-rail door machine comprises a door machine upper sill, a lift car and a door machine installation support, a door machine is assembled on the door machine installation support, the door machine upper sill is installed at the bottom of the lift car, the door machine installation support is connected with a C-shaped groove of the lift car, and the other side of the door machine installation support is connected with a reserved kidney-shaped hole of the door machine upper sill. A welded threaded hole is reserved in the door machine, a guide rail a and a guide rail b are assembled on the side wall of the door machine, a supporting mechanism is assembled on the side walls of the guide rail a and the guide rail b, a door sliding plate is assembled at the front end of the door machine, an upper door roller is assembled at the upper end of the door sliding plate, a lower door roller is assembled at the lower end of the door sliding plate, and the door sliding plate is installed on the door guide rail through an upper and lower door roller 1. Side rollers are mounted at the bottom of the door sliding plate; according to the underneath type double-guide-rail portal crane, the installation limitation of the portal crane is reduced, the special adjustable installation support is arranged at the bottom, and the assembling convenience of the portal crane is greatly improved.
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Description

Technical Field

[0001] The invention relates to the technical field of elevator hall doors, in particular to a bottom-mounted double-guide-track door machine. Background Art

[0002] Elevators are a means of transportation used in modern buildings. They transport people to the target floor by moving the elevator car up and down in the hoistway, saving time and manpower. During the use of the elevator, when the elevator car moves to the leveling position, that is, when the door sill in the elevator car is flush with the hall door sill of a certain floor, the door blade closes, and the two blades tighten the door wheel on the door lock hook on the hall door device, so that the door lock hook is unlocked to facilitate the opening of the hall door;

[0003] Most of the existing elevator door machines with swing doors are installed on the top of the car. Due to the structure adopted, space for the door machine installation must be reserved at the height of the car top. In the sightseeing elevator, the overall appearance of the car is affected. The existing bottom-mounted door machines often use a single guide rail structure for operation, and the door panels are poorly stressed, which is prone to swinging back and forth, making noises, and running unsmoothly.

[0004] Therefore, a bottom-mounted double-guide-rail door machine is needed to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a vertical double-sided plasma cleaning device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bottom-mounted double-guide rail door machine, comprising a door machine upper sill, a car and a door machine mounting bracket, the door machine is mounted on the door machine mounting bracket, the door machine upper sill is mounted on the bottom of the car, the door machine mounting bracket is connected to the C-shaped groove of the car, the other side of the door machine mounting bracket is connected to the reserved waist hole of the door machine upper sill, the door machine has a reserved welded threaded hole inside the door machine, the side wall of the door machine is equipped with guide rails a and guide rails b, the side walls of the guide rails a and guide rails b are equipped with supporting mechanisms, the front end of the door machine is equipped with a door slide, the upper end of the door slide is equipped with an upper door roller, the lower end of the door slide is equipped with a lower door roller, the door slide is mounted on the door guide rail through upper and lower door rollers 1, and the bottom of the door slide is equipped with side rollers;

[0007] A motor and a door knife are installed on the upper sill of the door machine, a transmission mechanism is installed on the side wall of the upper sill of the door machine, a belt is installed between the driving end of the motor and the transmission mechanism, the motor drives the door knife through the belt, the door knife is connected and fixed to the door slide plate, the door slide plate is installed with a door panel fixing part by bolts, the door panel fixing part is installed with a door panel by bolts, a guide shoe is installed on the top of the door panel, an upper guide is inserted at the upper end of the guide shoe, and the upper guide is connected to the top of the car through an upper mounting bracket.

[0008] Preferably, a detachable door sill is installed on the top of the door machine by bolts, and a power switch and a controller are installed inside the door machine. The power switch and the controller are connected by bolts and installed on the inner side of the upper sill of the door machine.

[0009] Preferably, the outer wall of the door machine is equipped with a door machine sealing plate.

[0010] Preferably, the outer wall of the door machine is equipped with a protective plate.

[0011] Preferably, the transmission mechanism comprises an articulated seat a and an articulated seat b installed in the door machine, the articulated seat a and the articulated seat b are arranged opposite to each other, and the interior of the door machine is equipped with an articulated rod, which is installed in the articulated seat a and the articulated seat b.

[0012] Preferably, the inner walls of the articulated seat a and the articulated seat b are provided with rotation cavities evenly and equidistantly along their axes, and balls are installed inside the rotation cavities, and the balls are fitted to the articulated rods.

[0013] Preferably, connecting plates are installed on both side outer walls of the articulated seat a and the articulated seat b, the side walls of the connecting plates are connected to screw holes, the inside of the screw holes are screwed with screws, and the outer walls of the articulated seat a and the articulated seat b are provided with oil filling holes, and hole plugs are inserted into the oil filling holes.

[0014] Preferably, a bearing plate is installed on the rear side walls of the hinge seat a and the hinge seat b, and a mounting hole is opened on the side wall of the bearing plate.

[0015] Preferably, the supporting mechanism comprises a supporting plate installed on guide rails a and guide rails b, a telescopic rod is installed on the side wall of the supporting plate, a top end of the telescopic rod is installed on a universal seat, a universal ball is installed inside the universal seat, and the universal ball is arranged to fit the side wall of the door slide.

[0016] Preferably, a spring is sleeved on the outside of the telescopic rod between the universal seat and the support plate.

[0017] Compared with the prior art, this solution designs a bottom-mounted double-guide door machine, which has the following beneficial effects: using a double-guide structure, the door slide is equipped with a special eccentric door roller, which increases the service life and greatly improves the stability of the door slide, improves the connection method of the door panel, improves the force and stability of the door panel, innovates the transmission structure of the door machine, improves the safety and stability of the elevator door machine system, expands the viewing field of the elevator, and can reduce the noise of the door machine system. The door machine is hidden behind the footboard, which improves the overall beauty of the car. The back of the door machine is flat, the structure is compact, and the space utilization rate is high. The installation restrictions of the door machine are reduced, and the bottom is equipped with a special adjustable mounting bracket, which greatly improves the convenience of door machine assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the present invention;

[0019] Figure 2 is a side view of the present invention;

[0020] Figure 3 A top view of the present invention;

[0021] Figure 4 It is a schematic diagram of a door machine of the present invention;

[0022] Figure 5 It is a schematic diagram of the transmission mechanism of the present invention;

[0023] Figure 6 It is a schematic structural diagram of part A of the present invention;

[0024] Figure 7 It is a schematic diagram of the support mechanism of the present invention.

[0025] In the figure: 1 door machine upper sill, 2 door machine mounting bracket, 3 guide rail a, 4 guide rail b, 5 motor, 6 belt, 10 door knife, 11 door panel, 12 upper guide, 13 upper mounting bracket, 14 door panel fixing part, 15 guide shoe, 16 upper door roller, 17 lower door roller, 18 car, 19 door slide plate, 20 controller, 21 power switch, 22 detachable door sill, 23 door machine sealing plate, 24 door machine, 26 transmission mechanism, 27 supporting mechanism. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figures 1 to 7, which is the first technical solution provided by the present invention: a bottom-mounted double-guide rail door machine, including a door machine upper sill 1, a car and a door machine mounting bracket 2, characterized in that: a door machine 24 is installed on the door machine mounting bracket 2, the door machine upper sill 1 is installed at the bottom of the car 18, the door machine mounting bracket 2 is connected to the C-shaped groove of the car 18, the other side of the door machine mounting bracket 2 is connected to the reserved waist hole of the upper sill of the door machine upper sill 1, the door machine 24 has a threaded hole reserved for welding inside the door machine 24, the side wall of the door machine 24 is equipped with a guide rail a3 and a guide rail b4, the side wall of the guide rail a3 and the guide rail b4 is equipped with a supporting mechanism 27, the front end of the door machine 2 is equipped with a door slide 19, the upper end of the door slide 19 is equipped with an upper door roller 16, the door slide 1 9 is equipped with a lower door roller 17 at the lower end, a door slide 19 is installed on the door guide rail through the upper and lower door rollers 1, and a side roller 23 is installed at the bottom of the door slide 19; a motor 5 and a door knife 10 are installed on the door machine upper sill 1, and a transmission mechanism 26 is installed on the side wall of the door machine upper sill 1, a belt 6 is installed between the driving end of the motor 5 and the transmission mechanism 26, and the motor 5 drives the door knife 10 through the belt 6, and the door knife 10 is connected and fixed to the door slide 19, and the door slide 19 is installed with a door panel fixing part 14 through bolts, and the door panel fixing part 14 is installed with a door panel 11 through bolts, and a guide shoe 15 is installed on the top of the door panel 11, and the upper end of the guide shoe 15 is plugged with an upper guide 12, and the upper guide 12 is connected to the top of the car through an upper mounting bracket 2;

[0028] The door machine upper sill 1 is installed at the bottom of the car, the door machine mounting bracket 2 is connected to the C-shaped groove of the car 18, the other side of the mounting bracket is connected to the reserved waist hole of the door machine upper sill 1, and the threaded holes for welding are reserved inside the door machine to fix the guide rails 3 and 4. The door slide 19 is installed on the door guide rail through the upper and lower door rollers 16 and 17. The side rollers 23 are also installed at the bottom of the door slide. The motor 5 drives the door knife 10 through the belt 6. The door knife 10 is connected and fixed to the door slide 19. The door slide 19 is connected to the door panel fixing part 14 through bolts. The door panel fixing part 14 is fixed to the door panel 11 through bolts, so that the motor 5 drives the door panel to open and close the door panel. The door slide is fixed with the door knife 10 to cooperate with the corresponding elevator floor door. The guide shoe 15 is installed on the top of the door panel 11. It guides the door panel 11 by inserting it into the guide groove of the upper guide 12. The upper guide 12 is connected and fixed to the top of the car through the upper mounting bracket 13. The top of the door machine 1 is connected to the detachable door sill 22 by bolts, and the power switch 21 and the controller 20 are connected by bolts and installed on the inner side of the door machine upper sill 1. Finally, the door machine sealing plate 23 is connected by bolts to cover the entire door machine.

[0029] A detachable door sill 22 is installed on the top of the door machine 24 by bolts. A power switch 21 and a controller 20 are installed inside the door machine 24. The power switch 21 and the controller 20 are installed on the inner side of the door machine upper sill 1 by bolt connection.

[0030] The outer wall of the door machine 24 is equipped with a door machine sealing plate 23 .

[0031] The outer wall of the door machine 24 is equipped with a protective plate.

[0032] The transmission mechanism 26 includes an articulated seat a261 and an articulated seat b263 installed in the door machine 23. The articulated seat a261 and the articulated seat b263 are arranged opposite to each other. The interior of the door machine 23 is equipped with an articulated rod 262, and the articulated rod 262 is installed in the articulated seat a261 and the articulated seat b263.

[0033] The inner walls of the articulated seat a261 and the articulated seat b263 are uniformly and equidistantly provided with rotation cavities 35 along their axes, and balls 36 are installed inside the rotation cavities 35 , and the balls 36 are fitted to the articulated rod 262 .

[0034] The outer walls of both sides of the articulated seat a261 and the articulated seat b263 are installed with connecting plates 32, the side walls of the connecting plates 32 are connected to the screw holes 31, the inside of the screw holes 31 is screwed with screw rods 33, the outer walls of the articulated seat a261 and the articulated seat b263 are opened with oil filling holes 30, and the oil filling holes 30 are inserted with hole plugs.

[0035] A bearing plate 28 is installed on the rear side walls of the hinge seat a261 and the hinge seat b263, and a mounting hole 29 is opened on the side wall of the bearing plate 28.

[0036] See also Figures 1 to 7 , which is the second technical solution provided by the present invention: a bottom-mounted double-guide rail door machine, including a door machine upper sill 1, a car and a door machine mounting bracket 2, characterized in that: a door machine 24 is installed on the door machine mounting bracket 2, the door machine upper sill 1 is installed at the bottom of the car 18, the door machine mounting bracket 2 is connected to the C-shaped groove of the car 18, the other side of the door machine mounting bracket 2 is connected to the reserved waist hole of the upper sill of the door machine upper sill 1, the door machine 24 has a threaded hole reserved for welding inside the door machine 24, the side wall of the door machine 24 is equipped with a guide rail a3 and a guide rail b4, the side wall of the guide rail a3 and the guide rail b4 is equipped with a supporting mechanism 27, the front end of the door machine 2 is equipped with a door slide 19, the upper end of the door slide 19 is equipped with an upper door roller 16, the door slide 1 9 is equipped with a lower door roller 17 at the lower end, and a door slide 19 is installed on the door guide rail through the upper and lower door rollers 1, and a side roller 23 is installed at the bottom of the door slide 19; a motor 5 and a door knife 10 are installed on the door machine upper sill 1, and a transmission mechanism 26 is installed on the side wall of the door machine upper sill 1, and a belt 6 is installed between the driving end of the motor 5 and the transmission mechanism 26, and the motor 5 drives the door knife 10 through the belt 6, and the door knife 10 is connected and fixed to the door slide 19, and the door slide 19 is equipped with a door panel fixing part 14 through bolts, and the door panel fixing part 14 is equipped with a door panel 11 through bolts, and a guide shoe 15 is installed on the top of the door panel 11, and the upper end of the guide shoe 15 is plugged with an upper guide 12, and the upper guide 12 is connected to the top of the car through an upper mounting bracket 2.

[0037] The support mechanism 27 includes a support plate 2732 installed on the guide rail a3 and the guide rail b4, and a telescopic rod 2731 is installed on the side wall of the support plate 2732. The top end of the telescopic rod 2731 is installed on a universal seat 2734. A universal ball 2735 is installed inside the universal seat 2734. The universal ball 2735 is arranged to fit the side wall of the door slide 19.

[0038] The outside of the telescopic rod 2731 is sleeved with a spring 2733 between the universal seat 2734 and the support plate 2731 .

[0039] The other components in the second technical solution are the same as those in the first technical solution.

[0040] Working process and principle: The door machine upper sill 1 is installed at the bottom of the car, the door machine mounting bracket 2 is connected to the C-shaped groove of the car 18, and the other side of the mounting bracket is connected to the reserved waist hole of the door machine upper sill 1. The threaded holes for welding are reserved inside the door machine to fix the guide rails 3 and 4. The door slide 19 is installed on the door guide rail through the upper and lower door rollers 16 and 17. The side roller 23 is also installed at the bottom of the door slide. The motor 5 drives the door knife 10 through the belt 6. The door knife 10 is connected and fixed with the door slide 19. The door slide 19 is connected with the door panel fixing part 14 through bolts. The door panel fixing part 14 is fixed with the door panel 11 through bolts, so that the motor 5 drives the door panel to open and close the door panel. The door slide is fixed with the door knife 10 to cooperate with the corresponding elevator floor door. The guide shoe 15 is installed on the top of the door panel 11. It guides the door panel 11 by inserting it into the guide groove of the upper guide 12. The upper guide 12 is connected and fixed to the top of the car through the upper mounting bracket 13. The top of the door machine 1 is connected to the detachable door sill 22 by bolts, and the power switch 21 and the controller 20 are connected by bolts and installed on the inner side of the door machine upper sill 1. Finally, the door machine sealing plate 23 is connected by bolts to cover the entire door machine.

[0041] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bottom-mounted double-guide rail door machine, comprising a door machine upper sill (1), a car and a door machine mounting bracket (2), characterized in that: The door machine mounting bracket (2) is equipped with a door machine (24); the door machine upper sill (1) is installed at the bottom of the car (18); the door machine mounting bracket (2) is connected to the C-shaped groove of the car (18); the other side of the door machine mounting bracket (2) is connected to the reserved waist hole of the upper sill of the door machine upper sill (1); the door machine (24) has a threaded hole reserved for welding inside the door machine (24); the side wall of the door machine (24) is equipped with a guide rail a (3) and a guide rail b(4), the side walls of the guide rails a(3) and b(4) are equipped with a supporting mechanism (27), the front end of the door machine (2) is equipped with a door slide plate (19), the upper end of the door slide plate (19) is equipped with an upper door roller (16), the lower end of the door slide plate (19) is equipped with a lower door roller (17), the door slide plate (19) is installed on the door guide rail through the upper and lower door rollers, and the bottom of the door slide plate (19) is equipped with a side roller (23); The door machine upper sill (1) is equipped with a motor (5) and a door knife (10), the side wall of the door machine upper sill (1) is equipped with a transmission mechanism (26), a belt (6) is installed between the driving end of the motor (5) and the transmission mechanism (26), the motor (5) drives the door knife (10) through the belt (6), the door knife (10) is connected and fixed to a door slide plate (19), the door slide plate (19) is installed with a door panel fixing part (14) through bolts, the door panel fixing part (14) is installed with a door panel (11) through bolts, a guide shoe (15) is installed on the top of the door panel (11), the upper end of the guide shoe (15) is plugged with an upper guide (12), and the upper guide (12) is connected to the top of the car through an upper mounting bracket (2).

2. The bottom-mounted double-guide-track door machine according to claim 1, characterized in that: A detachable door sill (22) is installed on the top of the door machine (24) by means of bolts. A power switch (21) and a controller (20) are installed inside the door machine (24). The power switch (21) and the controller (20) are connected by bolts and installed on the inner side of the door machine upper sill (1).

3. The bottom-mounted double-guide-track door machine according to claim 2, characterized in that: The outer wall of the door machine (24) is equipped with a door machine sealing plate (23).

4. The bottom-mounted double-guide-track door machine according to claim 1, characterized in that: The outer wall of the door machine (24) is equipped with a protective plate.

5. The bottom-mounted double-guide-track door machine according to claim 1, characterized in that: The transmission mechanism (26) includes an articulated seat a (261) and an articulated seat b (263) installed in the door machine (23), and the articulated seat a (261) and the articulated seat b (263) are arranged opposite to each other. The door machine (23) is equipped with an articulated rod (262) inside, and the articulated rod (262) is installed in the articulated seat a (261) and the articulated seat b (263).

6. The bottom-mounted double-guide-track door machine according to claim 5, characterized in that: The inner walls of the hinge seat a (261) and the hinge seat b (263) are uniformly and equidistantly provided with rotation cavities (35) along their axes, and a ball (36) is installed inside the rotation cavity (35), and the ball (36) is arranged in close contact with the hinge rod (262).

7. The bottom-mounted double-guide-track door machine according to claim 6, characterized in that: The outer walls of both sides of the hinge seat a (261) and the hinge seat b (263) are both provided with connecting plates (32), the side walls of the connecting plates (32) are connected to the screw holes (31), the interior of the screw holes (31) is screwed with screw rods (33), and the outer walls of the hinge seat a (261) and the hinge seat b (263) are provided with oil filling holes (30), and the oil filling holes (30) are plugged with hole plugs.

8. The bottom-mounted double-guide-track door machine according to claim 6, characterized in that: A bearing plate (28) is installed on the rear side walls of the hinge seat a (261) and the hinge seat b (263), and a mounting hole (29) is opened on the side wall of the bearing plate (28).

9. The bottom-mounted double-guide-track door machine according to claim 1, characterized in that: The support mechanism (27) comprises a support plate (2732) mounted on the guide rail a (3) and the guide rail b (4); a telescopic rod (2731) is mounted on the side wall of the support plate (2732); the top end of the telescopic rod (2731) is mounted on a universal seat (2734); a universal ball (2735) is mounted inside the universal seat (2734); and the universal ball (2735) is arranged to fit the side wall of the door slide plate (19).

10. The bottom-mounted double-guide-track door machine according to claim 9, characterized in that: The outside of the telescopic rod (2731) is sleeved with a spring (2733) between the universal seat (2734) and the support plate (2731).