Escalator handrail driving mechanism

Abstract

The utility model provides an escalator handrail driving mechanism which comprises a rotating shaft, a gear set, a driving wheel, a tensioning frame, a fixing plate, a cleaning frame and a liquid injection pipe, the rotating shaft is rotationally connected with an escalator support, and the rotating shaft is connected with an escalator driving shaft through the gear set; driving wheels are fixed to the two ends of the rotating shaft correspondingly, and tensioning frames are arranged on the upper sides of the two driving wheels correspondingly. The tensioning frames are fixed to the fixing plates, and the fixing plates are fixed to the two sides of the escalator support. And cleaning frames are arranged on one sides of the driving wheels, the cleaning frames are fixed to the corresponding fixing plates, and liquid injection pipes are fixed to the outer side faces of the cleaning frames. Due to the arrangement of the gear set, the tensioning frame and the cleaning frame, when the device is used, a driving shaft of the escalator is directly adopted to drive the device to work, the tensioning degree of the hand strap can be adjusted, and meanwhile the hand strap can be cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of escalators, and in particular relates to a handrail driving mechanism for an escalator. Background Art

[0002] With the rapid development of modern urban public transportation and commercial buildings, escalators, as an important means of transportation, are becoming more and more common and important. Among the many components of escalators, the handrail drive mechanism is a key component to ensure the safety and comfort of passengers, and its design and performance have received widespread attention.

[0003] However, the existing escalator handrail driving mechanism mostly uses an independent power device to drive the handrail, which not only increases energy consumption and cost investment, but also makes the structure of the entire system complicated; secondly, the existing escalator handrail driving mechanism cannot adjust the tension of the handrail, and the handrail will be stretched after long-term use; in addition, the existing escalator handrail driving mechanism cannot clean the handrail. If the handrail is not clean enough, it will not only affect the passengers' riding experience, but may also cause safety hazards.

[0004] Therefore, it is very necessary to invent a kind of escalator handrail driving mechanism. Utility Model Content

[0005] The utility model aims to provide an escalator handrail driving mechanism to solve the problems mentioned in the background technology.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses an escalator handrail driving mechanism, comprising a rotating shaft, a gear set, a driving wheel, a tensioning frame, a fixed plate, a cleaning frame and a liquid injection pipe, wherein the rotating shaft is rotatably connected with an escalator bracket through a supporting bearing, and the rotating shaft is connected with an escalator driving shaft through a gear set; driving wheels are fixed to both ends of the rotating shaft through key connection, wherein tensioning frames are arranged on the upper sides of the two driving wheels; the tensioning frames are fixed to the fixed plates through bolts, wherein the fixed plates are fixed to the two sides of the escalator bracket through bolts; a cleaning frame is arranged on one side of the driving wheel, wherein the cleaning frame is fixed to the corresponding fixed plates through bolts, and a liquid injection pipe is fixed to the outer side of the cleaning frame through a joint.

[0008] Furthermore, the gear set consists of two gears, one of which is fixed to the outer side of the escalator drive shaft by a key connection, and the other gear is fixed to the outer side of the rotating shaft by a key connection, and the two gears are meshed with each other. Such a setting can transfer the kinetic energy on the escalator drive shaft to the rotating shaft.

[0009] Furthermore, the tensioning frame includes a first frame, a first roller, an electric push rod, a second frame and a second roller, the first frame is fixed to the outer side of the fixed plate by bolts, wherein the first roller is rotatably mounted inside the first frame via a support bearing; an electric push rod is fixed to one side of the first frame by bolts, wherein the output end of the electric push rod is fixed to the second frame by bolts, and the second roller is rotatably mounted inside the second frame via a support bearing. Such an arrangement can tension the handrail belt.

[0010] Furthermore, the cleaning frame includes a box body, a scraper, a guide wheel and a towel, the box body is fixed to the outer side surface of the fixed plate by bolts, wherein three guide wheels are rotatably installed inside the box body through support bearings; the guide wheels are in a triangular array, and a scraper is arranged between the lowest guide wheel and the two upper guide wheels, and the outer edge of the scraper is fixed to the inner wall of the box body by bolts; an armrest belt slides through the inside of the scraper; a towel is arranged between the scraper and the armrest belt, wherein the towel is fixed to the scraper by screws; an injection tube is fixed to the outer side surface of the bottom of the box body through a joint, and the inside of the box body is filled with cleaning liquid, wherein the height of the cleaning liquid is lower than the height of the scraper. Such an arrangement can clean the armrest belt.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The setting of the gear set of the utility model, when in use, utilizes the kinetic energy on the escalator drive shaft, transfers the kinetic energy to the rotating shaft through the meshing of two gears, and then drives the handrail. This method does not require the setting of additional power equipment, which not only simplifies the mechanism design, but also reduces energy consumption and cost investment, and improves the energy efficiency ratio of the overall system.

[0013] 2. The setting of the tensioning frame of the utility model can realize the rapid adjustment of the tension of the handrail belt by controlling the second frame to approach or move away from the first frame through the electric push rod. This design not only improves the maintenance efficiency, but also ensures the stability and safety of the handrail belt during operation.

[0014] 3. With the setting of the cleaning rack of the utility model, the armrest is accurately sent into the cleaning liquid for cleaning through the guidance of three guide wheels, which effectively removes the stains and dust on the armrest. After the armrest leaves the cleaning liquid, it will be wiped with a towel to further remove the cleaning liquid attached to the armrest, thereby improving the dryness and cleanliness of the armrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the tensioning frame of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the cleaning rack of the utility model.

[0019] In the figure:

[0020] 1-rotating shaft, 2-gear set, 3-driving wheel, 4-tensioning frame, 41-first frame, 42-first roller, 43-electric push rod, 44-second frame, 45-second roller, 5-fixed plate, 6-cleaning frame, 61-box, 62-scraper, 63-guide wheel, 64-towel, 7-liquid injection pipe, 8-escalator drive shaft, 9-handrail. DETAILED DESCRIPTION

[0021] 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 of 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.

[0022] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", "all around" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0023] See also Figure 1As shown, the utility model is an escalator handrail driving mechanism, comprising a rotating shaft 1, a gear set 2, a driving wheel 3, a tensioning frame 4, a fixed plate 5, a cleaning frame 6 and an injection pipe 7, the rotating shaft 1 is rotatably connected to the escalator bracket through a supporting bearing, and the rotating shaft 1 is connected to the escalator driving shaft 8 through the gear set 2; the driving wheels 3 are fixed to both ends of the rotating shaft 1 through key connections, wherein the upper sides of the two driving wheels 3 are each provided with a tensioning frame 4; the tensioning frame 4 is fixed to the fixed plate 5 by bolts, wherein the fixed plate 5 is fixed to both sides of the escalator bracket by bolts; a cleaning frame 6 is provided on one side of the driving wheel 3, wherein the cleaning frame 6 is fixed to the corresponding fixed plate 5 by bolts, and the outer side of the cleaning frame 6 is fixed with an injection pipe 7 through a joint.

[0024] Specifically, the gear set 2 consists of two gears, one of which is fixed to the outer side of the escalator drive shaft 8 by a key connection, and the other gear is fixed to the outer side of the rotating shaft 1 by a key connection, and the two gears are meshed with each other. When in use, the kinetic energy on the escalator drive shaft 8 can be transferred to the rotating shaft 1 through the meshing of the two gears, so there is no need to set up new power equipment.

[0025] like Figure 2 As shown, the tensioning frame 4 includes a first frame 41, a first roller 42, an electric push rod 43, a second frame 44 and a second roller 45, the first frame 41 is fixed to the outer side of the fixing plate 5 by bolts, wherein the first roller 42 is rotatably mounted inside the first frame 41 through a support bearing; an electric push rod 43 is fixed to one side of the first frame 41 by bolts, wherein the output end of the electric push rod 43 is fixed to the second frame 44 by bolts, and the second roller 45 is rotatably mounted inside the second frame 44 through a support bearing. When in use, the handrail 9 can be passed through the first roller 42 and the second roller 45 respectively. When the handrail 9 becomes loose and needs to be tensioned, the staff can use the electric push rod 43 to make the second frame 44 gradually approach the first frame 41, so as to tension the handrail 9.

[0026] like Figure 3As shown, the cleaning frame 6 includes a box body 61, a scraper 62, a guide wheel 63 and a towel 64. The box body 61 is fixed to the outer side of the fixed plate 5 by bolts, wherein three guide wheels 63 are rotatably installed inside the box body 61 through support bearings; the guide wheels 63 are arranged in a triangular array, and a scraper 62 is arranged between the lowermost guide wheel 63 and the two upper guide wheels 63, and the outer edge of the scraper 62 is fixed to the inner wall of the box body 61 by bolts; an armrest belt 9 slides through the inside of the scraper 62; a towel 64 is arranged between the scraper 62 and the armrest belt 9, The towel 64 is fixed to the scraper 62 by screws; the bottom outer side of the box body 61 is fixed with a liquid injection tube 7 through a joint, and the interior of the box body 61 is filled with cleaning liquid, wherein the height of the cleaning liquid is lower than the height of the scraper 62. When in use, the three guide wheels 63 are set to guide the handrail belt 9 into the interior of the cleaning liquid, so that the handrail belt 9 is cleaned by the cleaning liquid. After the handrail belt 9 comes out of the cleaning liquid, the handrail belt 9 will pass between the corresponding towels 64, and the towel 64 will wipe the cleaning liquid attached to the handrail belt 9.

[0027] See also Figure 1-3 As shown, the utility model is an escalator handrail driving mechanism, and its working principle is: when in use, the handrail belt 9 will pass through the driving wheel 3, the first roller 42, the second roller 45 and the guide wheel 63, wherein, during use, through the cooperation of the rotating shaft 1, the gear set 2 and the driving wheel 3, the kinetic energy on the escalator driving shaft 8 can be absorbed, and the handrail belt 9 can be driven to move accordingly.

[0028] When the handrail belt 9 becomes loose, the handrail belt 9 can be tensioned by the tensioning frame 4. Secondly, when the handrail belt 9 passes through the cleaning frame 6, the handrail belt 9 can be cleaned. At the same time, the staff can add cleaning liquid to the inside of the cleaning frame 6 through the injection pipe 7.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An escalator handrail driving mechanism, comprising a rotating shaft (1), a gear set (2), a driving wheel (3), a tensioning frame (4), a fixing plate (5), a cleaning frame (6) and a liquid injection pipe (7), characterized in that: The rotating shaft (1) is rotatably connected to the escalator support, and the rotating shaft (1) is connected to the escalator drive shaft (8) through a gear set (2); driving wheels (3) are fixed to both ends of the rotating shaft (1), wherein the upper sides of the two driving wheels (3) are provided with tensioning frames (4); the tensioning frames (4) are fixed to fixed plates (5), wherein the fixed plates (5) are fixed to both sides of the escalator support; a cleaning frame (6) is provided on one side of the driving wheel (3), wherein the cleaning frame (6) is fixed to the corresponding fixed plate (5), and an injection pipe (7) is fixed to the outer side of the cleaning frame (6).

2. An escalator handrail driving mechanism according to claim 1, characterized in that: The gear set (2) consists of two gears, one of which is fixed on the outer side of the escalator drive shaft (8), and the other is fixed on the outer side of the rotating shaft (1), and the two gears are meshed with each other.

3. An escalator handrail driving mechanism according to claim 1, characterized in that: The tensioning frame (4) comprises a first frame (41), a first roller (42), an electric push rod (43), a second frame (44) and a second roller (45), wherein the first frame (41) is fixed to the outer side surface of the fixing plate (5), wherein the first roller (42) is rotatably mounted inside the first frame (41); an electric push rod (43) is fixed to one side surface of the first frame (41), wherein the output end of the electric push rod (43) is fixed to the second frame (44), and the second roller (45) is rotatably mounted inside the second frame (44).

4. An escalator handrail driving mechanism according to claim 1, characterized in that: The cleaning rack (6) comprises a box body (61), a scraper (62), a guide wheel (63) and a towel (64), wherein the box body (61) is fixed to the outer side surface of the fixed plate (5), wherein three guide wheels (63) are rotatably mounted inside the box body (61); the guide wheels (63) are arranged in a triangular array, and a scraper (62) is arranged between the guide wheel (63) at the bottom and the two guide wheels (63) at the top, wherein the outer edge of the scraper (62) is fixed to the inner wall of the box body (61); an armrest belt (9) is slidably passed through the inside of the scraper (62); a towel (64) is arranged between the scraper (62) and the armrest belt (9), wherein the towel (64) is fixed to the scraper (62); an injection pipe (7) is fixed to the outer side surface of the bottom of the box body (61), and the inside of the box body (61) is filled with cleaning liquid, wherein the height of the cleaning liquid is lower than the height of the scraper (62).

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