Elevator door machine crossbeam
By designing a support device on the beam of the elevator door machine, dust on the belt is removed by using sponge strips and bolts, and the sponge cylinder is driven to rotate on the belt surface through the gear system, the problem of dust accumulation in the belt in the beam of the existing elevator door machine is solved, and efficient cleaning of the belt surface is achieved.
Patent Information
- Application Number
- CN202421521878.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The beams of existing elevator door machines lack protection from the transmission belt, resulting in dust and impurities on the surface of the belt, resulting in poor transmission.
An elevator door machine cross beam is designed, including a support device, and the front end of the support device is symmetrically fixed with auxiliary devices and synchronization devices. The auxiliary devices include sponge strips, bolts, displacement cross plates, etc., which remove dust from contact with the belt through the sponge strip, and drive the sponge strip to move through the bolts. Combined with the winding wheel and gear system, the sponge tube is realized to rotate circulatingly on the surface of the belt to remove impurities.
Effectively remove dust and impurities on the belt surface, improve the cleanliness of the belt surface, and solve the problem of poor transmission.
Smart Images

Figure CN222699800U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator components, in particular to an elevator door machine crossbeam. Background Art
[0002] The elevator door machine crossbeam usually refers to the crossbeam used to support and fix the door machine structure when the elevator door machine is installed. It is located above the elevator door and connected to the top of the elevator car or the shaft structure.
[0003] For example, an integrated elevator door machine system with Chinese patent publication number CN214692817U includes a crossbeam, a driving device, a door hanging plate assembly mounted on the crossbeam, and a door knife assembly mounted on the door hanging plate assembly. The driving device includes a main housing assembled on the crossbeam, a controller assembly, a motor assembly, a driving wheel connected to the output shaft of the motor assembly, a driven wheel spaced apart from the driving wheel, and a synchronous belt connecting the driving wheel and the driven wheel, and the door knife assembly is connected to the synchronous belt. The motor assembly and the controller assembly are mounted on the main housing, and the motor assembly is electrically connected to the controller assembly.
[0004] When the existing gantry crane crossbeam is in use, the internal transmission belt is in an exposed state, and the gantry crane crossbeam only plays a basic supporting function, resulting in a lack of components on the gantry crane crossbeam to protect the belt. As a result, a large amount of dust and impurities will accumulate on the surface of the belt, resulting in poor transmission between the belt and the pulley. Therefore, a device alignment is needed to improve the above problem. Utility Model Content
[0005] The purpose of the utility model is to provide an elevator door machine cross beam to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator door machine cross beam, comprising a supporting device, an auxiliary device and a synchronization device are symmetrically fixedly installed at the front end of the supporting device, and the auxiliary device is located on the inner side of the synchronization device, the auxiliary device comprises a vertical sliding key, a synchronization support plate, a bolt, a support cavity, a displacement cross plate and a sponge strip, the vertical sliding key is symmetrically slidably inserted on both sides of the interior of the support cavity, the displacement cross plate is fixedly installed between the two vertical sliding keys, the sponge strip is fixedly installed on the opposite end of the displacement cross plate, the synchronization support plate is fixedly installed between the two displacement cross plates, and the bolt thread passes through the support cavity and is rotatably connected to the synchronization support plate.
[0007] Preferably, the synchronization device includes a first gear and a sponge tube, and the sponge tube is fixedly mounted on the rear end of the first gear.
[0008] Preferably, the supporting device comprises a door machine cross beam, a winding wheel and a second gear, the winding wheel is rotatably mounted on both sides of the front end of the door machine cross beam, and the second gear is fixedly mounted at the front end center of the winding wheel.
[0009] Preferably, the first gear is rotatably mounted on both sides of the front end of the door machine cross beam, and the first gear is meshed with the second gear, and the support cavity is symmetrically fixedly mounted on the front end of the door machine cross beam.
[0010] Preferably, vertical grooves are provided on both sides of the interior of the support cavity.
[0011] Preferably, threaded holes are respectively provided at the center of the top and bottom ends of the support cavity.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] When the device is in use, the sponge bar contacts the belt on the elevator, so that dust and impurities accumulated on the belt can be removed, and the displacement cross plate is driven up and down by screwing the bolt, so that the sponge bar can be accurately moved to a specified position, so that the sponge bar can contact the top and bottom ends of the belt, and when the winding wheel rotates, the second gear and the first gear can be driven to rotate simultaneously, so that the sponge tube can circulate on the surface of the belt, so that impurities on the surface of the belt can be removed, the cleanliness of the belt surface can be improved, and the work of cleaning the belt surface can be completed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 It is a partial cutaway schematic diagram of the auxiliary device of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the synchronization device of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the support device of the utility model.
[0018] In the figure: 1- auxiliary device, 2- synchronization device, 3- support device, 4- vertical sliding key, 5- synchronization support plate, 6- bolt, 7- support cavity, 8- displacement cross plate, 9- sponge bar, 10- first gear, 11- sponge cylinder, 12- gantry crane beam, 13- winding wheel, 14- second gear. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 The utility model provides an embodiment: an elevator door machine cross beam, including a supporting device 3, the front end of the supporting device 3 is symmetrically fixedly installed with an auxiliary device 1 and a synchronization device 2, and the auxiliary device 1 is located on the inner side of the synchronization device 2, the auxiliary device 1 includes a vertical sliding key 4, a synchronization support plate 5, a bolt 6, a support cavity 7, a displacement cross plate 8 and a sponge strip 9, the vertical sliding key 4 is symmetrically slidably inserted on both sides of the interior of the support cavity 7, the displacement cross plate 8 is fixedly installed between the two vertical sliding keys 4, the sponge strip 9 is fixedly installed on the opposite end of the displacement cross plate 8, the synchronization support plate 5 is fixedly installed between the two displacement cross plates 8, and the bolt 6 threadedly penetrates the support cavity 7 and is rotatably connected to the synchronization support plate 5.
[0021] The synchronization device 2 includes a first gear 10 and a sponge tube 11. The sponge tube 11 is fixedly mounted on the rear end of the first gear 10. When the second gear 14 rotates, it can drive the first gear 10 to rotate.
[0022] The supporting device 3 includes a door machine cross beam 12, a winding wheel 13 and a second gear 14. The winding wheel 13 is rotatably installed on both sides of the front end of the door machine cross beam 12. The second gear 14 is fixedly installed at the front end center of the winding wheel 13. The winding wheel 13 is aligned with the sponge cylinder 11 so that the belt can pass through the sponge cylinder 11 and enter the outer ring of the winding wheel 13.
[0023] The first gear 10 is rotatably mounted on both sides of the front end of the door machine cross beam 12, and the first gear 10 is meshed with the second gear 14. The support cavity 7 is symmetrically fixedly mounted on the front end of the door machine cross beam 12 to support the support cavity 7 for operation.
[0024] Vertical grooves are provided on both sides of the interior of the support cavity 7 to ensure that the displacement cross plate 8 moves up and down along a straight line.
[0025] Threaded holes are respectively provided at the center of the top and bottom ends of the support cavity 7 to facilitate the bolt 6 to be screwed and rotated inside the support cavity 7 .
[0026] Working principle: when in use, first install the door machine cross beam 12 on the wall of the elevator shaft so that the door machine cross beam 12 can be located above the floor door. At the same time, the floor door can be installed to the front bottom of the door machine cross beam 12. Then, the belt can be passed through the interior of the support cavity 7 until the belt passes through the bottom end of the sponge cylinder 11 and is connected to the winding wheel 13, so that when the winding wheel 13 is driven by the driving device in the door machine system, the belt can be pulled to drive the floor door to move. At this time, the bolt 6 can be screwed and rotated to drive the synchronous support plate 5 to move up and down. It is fixedly installed at both ends of the synchronous support plate 5 through the displacement cross plate 8, and the bottom end of the bolt 6 is rotatably connected to the synchronous support plate 5, so that when the bolt 6 is screwed and rotated, it can drive the synchronous support plate 5 and the displacement cross plate 8 to move at the same time, and the vertical sliding key 4 is slidably inserted into the vertical slots on both sides of the support cavity 7, so that the displacement cross plate 8 can be ensured to move up and down in a straight line. Then, when the bolt 6 When screwing, when the sponge strip 9 is brought into contact with the belt, the bolt 6 can be stopped from being screwed, so that the sponge strip 9 can fit with the surface of the belt, and through the vertical sliding key 4, the synchronous support plate 5, the bolt 6, the displacement cross plate 8 and the sponge strip 9 are also arranged at the bottom end of the support cavity 7, and the above steps can be repeated to fit the sponge strips 9 at the upper and lower ends of the support cavity 7 with the top and bottom ends of the belt respectively, so as to improve the cleaning efficiency of the belt surface. At the same time, when the winding wheel 13 is rotating, it can drive the second gear 14 to rotate, and the second gear 14 is meshed with the first gear 10, so that when the winding wheel 13 is rotating, the first gear 10 and the sponge tube 11 can be driven to rotate through the second gear 14, and the surface of the sponge tube 11 is in contact with the surface of the belt, so that the sponge tube 11 can rotate on the surface of the belt, thereby removing dust and impurities on the surface of the belt, completing the cleaning of the belt surface.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An elevator door machine cross beam, comprising a supporting device (3), wherein an auxiliary device (1) and a synchronizing device (2) are symmetrically fixedly mounted on the front end of the supporting device (3), and the auxiliary device (1) is located on the inner side of the synchronizing device (2), characterized in that: The auxiliary device (1) comprises a vertical sliding key (4), a synchronous support plate (5), a bolt (6), a support cavity (7), a displacement cross plate (8) and a sponge strip (9); the vertical sliding key (4) is symmetrically slidably inserted on both sides of the interior of the support cavity (7); the displacement cross plate (8) is fixedly installed between the two vertical sliding keys (4); the sponge strip (9) is fixedly installed on the opposite end of the displacement cross plate (8); the synchronous support plate (5) is fixedly installed between the two displacement cross plates (8); and the bolt (6) is threadedly inserted through the support cavity (7) and is rotationally connected to the synchronous support plate (5).
2. An elevator door machine cross beam according to claim 1, characterized in that: The synchronization device (2) comprises a first gear (10) and a sponge tube (11), wherein the sponge tube (11) is fixedly mounted on the rear end of the first gear (10).
3. An elevator door machine cross beam according to claim 2, characterized in that: The supporting device (3) comprises a door machine cross beam (12), a winding wheel (13) and a second gear (14); the winding wheel (13) is rotatably mounted on both sides of the front end of the door machine cross beam (12); and the second gear (14) is fixedly mounted at the front end center of the winding wheel (13).
4. The elevator door machine cross beam according to claim 3, characterized in that: The first gear (10) is rotatably mounted on both sides of the front end of the door machine cross beam (12), and the first gear (10) is meshed with the second gear (14), and the support cavity (7) is symmetrically fixedly mounted on the front end of the door machine cross beam (12).
5. The elevator door machine cross beam according to claim 4, characterized in that: Vertical grooves are provided on both sides of the interior of the support cavity (7).
6. The elevator door machine cross beam according to claim 5, characterized in that: The top and bottom centers of the support cavity (7) are respectively provided with threaded holes.
Citation Information
Patent Citations
Integrated elevator door motor system
CN214692817U