Underneath type double-guide-rail portal crane
By adopting a bottom-mounted double-guide rail structure and an improved transmission mechanism, the stability and aesthetics issues of the elevator door operator have been resolved, resulting in smooth operation and reduced noise, thus enhancing the overall user experience of the elevator.
Patent Information
- Application Number
- CN202423073894.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing elevator door operators are mostly installed on the top of the car, which affects the car's appearance. Furthermore, the door panels of the single-guide-rail structure have poor stress resistance, are prone to swaying, produce a lot of noise, and are not smooth in operation.
It adopts a bottom-mounted double guide rail structure, uses specially made eccentric door rollers and an improved transmission structure, combined with a support mechanism and guide rails, to improve the stability and load-bearing capacity of the door panel and reduce noise.
It improves the stability and safety of the elevator door operator, expands the view, enhances the aesthetics of the car, reduces noise, and is easy to install and maintain.
Smart Images

Figure CN223866148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of elevator hall door machines, in particular to a lower-mounted double-rail door machine. BACKGROUND
[0002] The elevator is a kind of tool for replacing walking in modern buildings, and people are sent to the target floor by the up-and-down movement of the car in the shaft, thereby saving time and manpower. During the use of the elevator, when the car runs to the landing position, that is, the sill in the car is flush with the sill of the hall door of a certain floor, the door blade is closed, and the two blades are tightened on the door wheel of 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 swing door elevator door machines are installed on the top of the car. Due to the structure adopted, the installation space of the door machine must be reserved on the top of the car, which affects the overall appearance of the car in the sightseeing elevator. Among the existing lower-mounted door machines, the single-rail structure is often adopted, the door plate is subjected to uneven stress, and the door plate is prone to swing, noise, and unsmooth operation.
[0004] Therefore, a lower-mounted double-rail door machine is needed to solve the above problems. SUMMARY
[0005] The application aims to provide a vertical double-sided plasma cleaning device to solve the problems in the background.
[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a lower-mounted double-rail door machine, comprising a door machine upper sill, a car and a door machine mounting bracket, the door machine mounting bracket is provided with a door machine, the door machine upper sill is installed at the bottom of the car, the door machine mounting bracket is connected with the C-shaped groove of the car, the other side of the door machine mounting bracket is connected with the reserved waist hole of the door machine upper sill, the door machine is provided with a reserved threaded hole for welding inside the door machine, the side wall of the door machine is provided with a guide rail a and a guide rail b, the side wall of the guide rail a and the guide rail b is provided with a supporting mechanism, the front end of the door machine is provided with a door sliding plate, the upper end of the door sliding plate is provided with an upper door roller, the lower end of the door sliding plate is provided with a lower door roller, the door sliding plate is installed on the door guide rail through the upper and lower door rollers 1, and the bottom of the door sliding plate is provided with a side roller.
[0007] The door machine upper sill is provided with a motor and a door blade, the side wall of the door machine upper sill is provided with a transmission mechanism, the driving end of the motor and the transmission mechanism are provided with a belt, the motor drives the door blade through the belt, the door blade is connected and fixed with the door sliding plate, the door sliding plate is provided with a door plate fixing piece through bolts, the door plate fixing piece is provided with a door plate through bolts, the top of the door plate is provided with a guide shoe, the upper end of the guide shoe is inserted with an upper guide, and the upper guide is connected with the top of the car through an upper mounting bracket.
[0008] Preferably, the top of the door machine is provided with a detachable door sill mounted by bolts, and the inside of the door machine is equipped with a power switch and a controller, which are mounted on the inside of the door sill by bolts.
[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 hinge seats a and b mounted in the door machine, which are oppositely arranged, and the inside of the door machine is equipped with a hinge rod mounted in the hinge seats a and b.
[0012] Preferably, the inner walls of the hinge seats a and b are uniformly and equidistantly provided with rotating cavities along the axial center, and the inside of the rotating cavities is mounted with balls, which are arranged in close contact with the hinge rod.
[0013] Preferably, the outer walls of the hinge seats a and b are both mounted with connecting plates, the side walls of the connecting plates are connected with screw holes, the inside of the screw holes is screwed with screw rods, the outer walls of the hinge seats a and b are provided with oil injection holes, and the oil injection holes are inserted with hole plugs.
[0014] Preferably, the rear side walls of the hinge seats a and b are mounted with bearing plates, and the side walls of the bearing plates are provided with mounting holes.
[0015] Preferably, the support mechanism comprises support plates mounted on guide rails a and b, the side walls of the support plates are mounted with telescopic rods, the top ends of the telescopic rods are mounted with universal seats, the inside of the universal seats is mounted with universal balls, and the universal balls are arranged in close contact with the side walls of the door sliding plate.
[0016] Preferably, the outside of the telescopic rod is sleeved with a spring between the universal seat and the support plate.
[0017] Compared with the prior art, the present application designs a lower double guide rail door machine, which has the following advantages: the use of double guide rail structure, the installation of special eccentric door rollers on the door sliding plate, the improvement of the service life and the stability of the door sliding plate, the improvement of the connection mode of the door plate, the improvement of the stress and stability of the door plate, the innovation of the transmission structure of the door machine, the improvement of the safety and stability of the elevator door machine system, the expansion of the viewing field of the elevator, the reduction of the noise of the door machine system, the hiding of the door machine behind the foot guard, the improvement of the overall appearance of the car, the flatness of the back of the door machine, the compact structure, the high space utilization rate, the reduction of the installation restrictions of the door machine, the provision of special adjustable installation supports at the bottom, and the great improvement of the convenience of the assembly of the door machine. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a front view of the present application;
[0019] Figure 2 is a side view of the present application;
[0020] Figure 3 is a top view of the present application;
[0021] Figure 4 is a schematic view of the door machine of the present application;
[0022] Figure 5 is a schematic view of the transmission mechanism of the present application;
[0023] Figure 6 is a schematic view of the A part structure of the present application;
[0024] Figure 7 is a schematic view of the supporting mechanism of the present application.
[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 plate, 12 upper guide, 13 upper mounting bracket, 14 door plate fixing piece, 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 technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] Please refer to Figures 1 to 7The first technical solution provided by the application is a lower double guide rail door machine, which comprises a door machine upper ridge 1, a lift car and a door machine mounting support 2, characterized in that: the door machine mounting support 2 is provided with a door machine 24; the door machine upper ridge 1 is installed at the bottom of the lift car 18; the door machine mounting support 2 is connected with the C-shaped groove of the lift car 18; the other side of the door machine mounting support 2 is connected with the reserved waist hole of the door machine upper ridge 1; the door machine 24 is provided with reserved threaded holes welded inside the door machine 24; the side wall of the door machine 24 is provided with guide rails a 3 and guide rails b 4; the side wall of the guide rails a 3 and the guide rails b 4 is provided with a supporting mechanism 27; the front end of the door machine 24 is provided with a door sliding plate 19; the upper end of the door sliding plate 19 is provided with an upper door roller 16; the lower end of the door sliding plate 19 is provided with a lower door roller 17; the door sliding plate 19 is installed on the door guide rail through the upper and lower door rollers 1; the bottom of the door sliding plate 19 is provided with a side roller 23; the door machine upper ridge 1 is provided with a motor 5 and a door cutter 10; the side wall of the door machine upper ridge 1 is provided with a transmission mechanism 26; the driving end of the motor 5 and the transmission mechanism 26 are provided with a belt 6; the motor 5 drives the door cutter 10 through the belt 6; the door cutter 10 is fixedly connected with the door sliding plate 19; the door sliding plate 19 is provided with a door plate fixing piece 14 through bolts; the door plate fixing piece 14 is provided with a door plate 11 through bolts; the top of the door plate 11 is provided with a guide shoe 15; the upper end of the guide shoe 15 is inserted with an upper guide 12; the upper guide 12 is connected with the top of the lift car through an upper mounting support 13.
[0028] The door machine upper ridge 1 is installed at the bottom of the lift car; the door machine mounting support 2 is connected with the C-shaped groove of the lift car 18; the other side of the door machine mounting support 2 is connected with the reserved waist hole of the door machine upper ridge 1; the threaded holes welded inside the door machine are reserved; the guide rails 3 and the guide rails 4 are fixed; the door sliding plate 19 is installed on the door guide rail through the upper and lower door rollers 16 and 17; the bottom of the door sliding plate is also provided with a side roller 23; the motor 5 drives the door cutter 10 through the belt 6; the door cutter 10 is fixedly connected with the door sliding plate 19; the door sliding plate 19 is connected with the door plate fixing piece 14 through bolts; the door plate fixing piece 14 is fixed with the door plate 11 through bolts; thus, the motor 5 drives the door plate to open and close the door plate. The door cutter 10 fixed on the door sliding plate is used to cooperate with the corresponding elevator landing door; the top of the door plate 11 is provided with a guide shoe 15; the guide shoe 15 is inserted into the guide groove of the upper guide 12 to achieve the guiding effect of the door plate 11; the upper guide 12 is fixedly connected with the top of the lift car through the upper mounting support 13. The top of the door machine 24 is provided with a detachable door ground ridge 22 through bolts; the power switch 21 and the controller 20 are connected and installed inside the door machine upper ridge 1 through bolts.
[0029] The top of the door machine 24 is provided with a detachable door ground ridge 22 through bolts; the power switch 21 and the controller 20 are connected and installed inside the door machine upper ridge 1 through bolts.
[0030] The outer wall of the door machine 24 is equipped with a door machine sealing plate.
[0031] The outer wall of the door machine 24 is equipped with a protective plate.
[0032] The transmission mechanism 26 comprises a hinge seat a 261 and a hinge seat b 263 installed in the door machine 24, the hinge seat a 261 and the hinge seat b 263 are oppositely arranged, the inside of the door machine 24 is equipped with a hinge rod 262, and the hinge rod 262 is installed in the hinge seat a 261 and the hinge seat b 263.
[0033] The inner wall of the hinge seat a 261 and the hinge seat b 263 is uniformly and equidistantly provided with a rotating cavity 35 along the axis, the inside of the rotating cavity 35 is provided with a ball 36, and the ball 36 is arranged in close contact with the hinge rod 262.
[0034] The two side walls of the hinge seat a 261 and the hinge seat b 263 are both provided with a connecting plate 32, the side wall of the connecting plate 32 is provided with a threaded hole 31, the inside of the threaded hole 31 is screwed with a screw rod 33, the outer wall of the hinge seat a 261 and the hinge seat b 263 is provided with an oil injection hole 30, and the oil injection hole 30 is inserted with a hole plug.
[0035] The rear side wall of the hinge seat a 261 and the hinge seat b 263 is provided with a bearing plate 28, and the side wall of the bearing plate 28 is provided with a mounting hole 29.
[0036] Please refer to Figures 1 to 7 The second technical scheme provided by the application is a lower double guide rail door machine, which comprises a door machine upper ridge 1, a car and a door machine mounting support 2, characterized in that: the door machine mounting support 2 is equipped with a door machine 24, the door machine upper ridge 1 is installed at the bottom of the car 18, the door machine mounting support 2 is connected with the C-shaped groove of the car 18, the other side of the door machine mounting support 2 is connected with the reserved waist hole of the door machine upper ridge 1, the door machine 24 is provided with a reserved threaded hole for welding in the inside of 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 wall of the guide rail a 3 and the guide rail b 4 is equipped with a supporting mechanism 27, the front end of the door machine 2 is equipped with a door sliding plate 19, the upper end of the door sliding plate 19 is equipped with an upper door roller 16, the lower end of the door sliding plate 19 is equipped with a lower door roller 17, the door sliding plate 19 is installed on the door guide rail through the upper and lower door rollers 1, and the bottom of the door sliding plate 19 is provided with a side roller 23; the door machine upper ridge 1 is equipped with a motor 5 and a door cutter 10, the side wall of the door machine upper ridge 1 is equipped with a transmission mechanism 26, the driving end of the motor 5 and the transmission mechanism 26 are equipped with a belt 6, the motor 5 drives the door cutter 10 through the belt 6, the door cutter 10 is connected and fixed with the door sliding plate 19, the door sliding plate 19 is provided with a door plate fixing piece 14 through bolts, the door plate fixing piece 14 is provided with a door plate 11 through bolts, the door plate 11 is provided with a guide shoe 15 at the top, the upper end of the guide shoe 15 is inserted with an upper guide 12, and the upper guide 12 is connected with the top of the car through an upper mounting support 13.
[0037] The support mechanism 27 includes a support plate 2732 installed on guide rails a3 and b4. A telescopic rod 2731 is installed on the side wall of the support plate 2732. The top of the telescopic rod 2731 is installed with a universal seat 2734. A universal ball 2735 is installed inside the universal seat 2734. The universal ball 2735 is fitted against the side wall of the door slide plate 19.
[0038] A spring 2733 is sleeved on the outside of the telescopic rod 2731 between the universal seat 2734 and the support plate 2732.
[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 operator upper sill 1 is installed at the bottom of the car. The door operator 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 upper sill 1. Threaded holes are reserved inside the door operator for welding. Guide rails 3 and 4 are fixed. The door slide plate 19 is installed on the door guide rail via upper and lower door rollers 16 and 17. Side rollers 23 are also installed at the bottom of the door slide plate. The motor 5 drives the door knife 10 via belt 6. The door knife 10 is connected and fixed to the door slide plate 19. The door slide plate 19 is connected to the door panel fixing component 14 by bolts. The door panel fixing component 14 is fixed to the door panel 11 by bolts, thereby achieving the opening and closing of the door panel by the motor 5 driving the door panel. The door knife 10 is fixed on the door slide plate to cooperate in driving the corresponding elevator landing door. The guide shoe 15 is installed on the top of the door panel 11. It guides the door panel 11 by inserting into the guide groove of the upper guide 12. The upper guide 12 is connected and fixed to the top of the car via the upper mounting bracket 13. A detachable door sill 22 is bolted to the top of the door operator 1. The power switch 21 and controller 20 are bolted to the inside of the door operator sill 1. Finally, the door operator sealing plate 23 is bolted to cover the entire door operator.
[0041] It will be apparent to those skilled in the art that the present 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 its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A bottom-mounted double-rail gantry crane, comprising a gantry crane upper sill (1), a car, and a gantry crane mounting bracket (2), characterized in that: The door operator mounting bracket (2) is equipped with a door operator (24). The door operator sill (1) is installed at the bottom of the car (18). The door operator mounting bracket (2) is connected to the C-groove of the car (18). The other side of the door operator mounting bracket (2) is connected to the reserved waist hole of the door operator sill (1). The door operator (24) has a reserved welded threaded hole inside. The side wall of the door operator (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 support mechanism (27), the front end of the door machine (24) 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 by the upper and lower door rollers, and the bottom of the door slide plate (19) is equipped with a side roller (23). The upper sill (1) of the door operator is equipped with a motor (5) and a door knife (10). The side wall of the upper sill (1) of the door operator is equipped with a transmission mechanism (26). A belt (6) is installed between the drive 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 the door slide (19). The door slide (19) is bolted with a door panel fixing component (14). The door panel fixing component (14) is bolted with a door panel (11). A guide shoe (15) is installed on the top of the door panel (11). An upper guide (12) is inserted into the upper end of the guide shoe (15). The upper guide (12) is connected to the top of the car through an upper mounting bracket (13).
2. The bottom-mounted double-rail gantry crane according to claim 1, characterized in that: The top of the door operator (24) is fitted with a detachable door sill (22) by bolts. The door operator (24) is equipped with a power switch (21) and a controller (20). The power switch (21) and the controller (20) are connected by bolts and installed on the inside of the door operator sill (1).
3. A bottom-mounted double-rail gantry crane according to claim 2, characterized in that: The outer wall of the gantry crane (24) is fitted with a gantry crane sealing plate.
4. A bottom-mounted double-rail gantry crane according to claim 1, characterized in that: The outer wall of the gantry crane (24) is fitted with a protective plate.
5. A bottom-mounted double-rail gantry crane according to claim 1, characterized in that: The transmission mechanism (26) includes a hinge seat a (261) and a hinge seat b (263) installed inside the gantry (24). The hinge seat a (261) and the hinge seat b (263) are arranged opposite to each other. The gantry (24) is equipped with a hinge rod (262), which is installed inside the hinge seat a (261) and the hinge seat b (263).
6. A bottom-mounted double-rail gantry crane according to claim 5, characterized in that: The inner walls of the hinge seat a (261) and hinge seat b (263) are provided with rotating cavities (35) evenly spaced along their axis. Ball bearings (36) are installed inside the rotating cavities (35) and are fitted to the hinge rod (262).
7. A bottom-mounted double-rail gantry crane according to claim 6, characterized in that: Both sides of the hinge seat a (261) and hinge seat b (263) are equipped with connecting plates (32). The side walls of the connecting plates (32) are connected to screw holes (31). A screw rod (33) is screwed into the inside of the screw holes (31). The outer walls of the hinge seat a (261) and hinge seat b (263) are provided with oil injection holes (30), and a plug is inserted into the oil injection holes (30).
8. A bottom-mounted double-rail gantry crane according to claim 6, characterized in that: The rear sidewalls of the hinge seat a (261) and hinge seat b (263) are fitted with a bearing plate (28), and the sidewalls of the bearing plate (28) are provided with mounting holes (29).
9. A bottom-mounted double-rail gantry crane according to claim 1, characterized in that: The support mechanism (27) includes a support plate (2732) installed on guide rail a (3) and guide rail b (4). A telescopic rod (2731) is installed on the side wall of the support plate (2732). The top of the telescopic rod (2731) is installed with a universal seat (2734). A universal ball (2735) is installed inside the universal seat (2734). The universal ball (2735) is fitted to the side wall of the door slide plate (19).
10. A bottom-mounted double-rail gantry crane according to claim 9, characterized in that: A spring (2733) is sleeved on the outside of the telescopic rod (2731) between the universal joint (2734) and the support plate (2732).