Lift box with double synchronizing shafts

Abstract

The utility model discloses a double synchronizing shaft elevator box, which comprises a box body, power mechanisms and a synchronizing mechanism, the two groups of power mechanisms are respectively fixed on two sides of the box body, each power mechanism comprises a fixed plate, a driving motor and a power gear, the fixed plate is fixedly connected with the box body, an output shaft of the motor is connected with a speed reducer, and the speed reducer is connected with the synchronizing mechanism. The synchronizing mechanism comprises two synchronizing shafts, one end of each synchronizing shaft is provided with a first bevel gear, the two sides of the box body are each provided with a vertical shaft, the lower end of each vertical shaft is provided with a second bevel gear, and the upper end of each vertical shaft is provided with a third bevel gear. According to the synchronous transmission device, the structure is reasonable, the two synchronous shafts can synchronize the movement speed of the two sides of the box body, and therefore the box body can be kept stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lift, especially a double synchronous shaft lift box. BACKGROUND

[0002] The lift platform, also known as the lift, is to lift the height through the machinery or hydraulic pressure, and is widely used in life, and the function of the lift is to lift the cage or people to the specified height.

[0003] In some special places, such as on the ship, the height of the lift is limited, but the stability of the lift is particularly important. Moreover, the ship body will shake frequently, how to make the lift on both sides run more stably and synchronously is the direction of research. In view of the above problems, a solution is proposed below. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a double synchronous shaft lift box, which can synchronize the lifting speed of the two sides of the box and keep the box stable.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A double synchronous shaft lift box, comprising a box body, a power mechanism and a synchronous mechanism, the power mechanism is provided with two groups, the two groups of power mechanisms are fixed on the two sides of the box body respectively, the power mechanism comprises a fixed plate, a driving motor and a power gear, the fixed plate is fixedly connected with the box body, the motor is fixedly connected with one side of the fixed plate, a speed reducer is connected with the output shaft of the motor, the output shaft of the speed reducer is fixedly connected with the power gear, the power gear is engaged with the rack on the external vertical column, the two groups of power mechanisms are synchronously operated to adjust the height of the box body, the synchronous mechanism comprises two synchronous shafts, the two synchronous shafts are rotatably connected with the box body, one end of the synchronous shaft is provided with a bevel gear one, the two sides of the box body are provided with vertical shafts, the vertical shafts are rotatably connected with the box body, the lower end of the vertical shaft is provided with a bevel gear two, the bevel gear one is engaged with the bevel gear two, the upper end of the vertical shaft is provided with a bevel gear three, the output shaft of the speed reducer is provided with a bevel gear four, the bevel gear three and the bevel gear four are engaged, the other end of the synchronous shaft is provided with an auxiliary gear, the auxiliary gear is engaged with the rack on the external vertical column, the positions of the auxiliary gears and the bevel gears one of the two synchronous shafts are opposite, the two synchronous shafts are respectively engaged with one of the vertical rods through the bevel gear one and the bevel gear two.

[0007] As preferred, the sizes of the bevel gear one, the bevel gear two, the bevel gear three and the bevel gear four are same, a one-way bearing is sleeved on the inner edge of the bevel gear three, when the box body rises, the bevel gear three drives the vertical shaft to rotate, when the box body descends, the bevel gear three cannot drive the vertical shaft to rotate.

[0008] As preferred, a plurality of guide wheels are arranged on the fixed plate, the guide wheels are concave wheels with the middle part being concave downward, and the guide wheels are used for abutting against external vertical columns to keep the box body stable.

[0009] As preferred, the two synchronous shafts are fixed on the bottom of the box body and are rotationally connected with the box body.

[0010] As preferred, auxiliary guide wheels are arranged on both sides of the lower end of the box body, the two auxiliary guide wheels are located on one side of the two auxiliary gears respectively, and the auxiliary guide wheels and the auxiliary gears on the same side are abutted against two sides of the rack respectively.

[0011] The box body is positioned up and down by the two power gears and the two auxiliary gears under the driving of the motor and the action of gravity when the box body descends, so that the stability of the box body is kept.

[0012] When the box body rises, if the rotating speed of the motor on one side is faster, the speed reducer on the side drives the vertical shaft to rotate through the bevel gear four and the bevel gear three, the vertical shaft drives one of the synchronous shafts to rotate through the bevel gear two and the bevel gear one, and the auxiliary gear on the other end of the synchronous shaft accelerates to provide upward power for the other side of the box body, and when the slow side of the box body accelerates to rise, the speed reducer on the slow side does not affect the rotation of the power gear connected with the speed reducer. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of an embodiment;

[0014] Fig. 2 It is a side view structural view of an embodiment box body;

[0015] Fig. 3 It is a schematic view of an embodiment connection structure between the synchronous shaft and the motor.

[0016] Fig. 1 is a box body; 2 is a fixed plate; 3 is a driving motor; 4 is a power gear; 5 is a speed reducer; 6 is a synchronous shaft; 7 is a bevel gear one; 8 is a vertical shaft; 9 is a bevel gear two; 10 is a bevel gear three; 11 is a bevel gear four; 12 is an auxiliary gear; 13 is a guide wheel; 14 is an auxiliary guide wheel; 15 is a vertical column; 16 is a rack. DETAILED DESCRIPTION

[0017] The following description is merely a preferred embodiment of this utility model, and the scope of protection is not limited to this embodiment. All technical solutions falling within the scope of this utility model's concept should be protected. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom" and "top," "inner" and "outer" refer to directions toward or away from the geometric center of a specific component.

[0018] like Figs. 1 to 3 As shown, a dual-synchronous-shaft 6-lift elevator car body 1 includes a car body 1, a power mechanism, and a synchronization mechanism. The car body 1 is a standard elevator car body 1, but modifications can be made to the material and other aspects to adapt to the usage environment. Two sets of power mechanisms are provided, both of which are composed and structured within the car body 1, and are respectively fixed to the left and right sides of the car body 1.

[0019] The power mechanism includes a fixed plate 2, a drive motor 3, and a power gear 4. The fixed plate 2 is fixedly connected to the housing 1 by fasteners or welding. In this design, there is a gap between the fixed plate 2 and the side of the housing 1. The drive motor 3 is located within this gap and is fixedly connected to the fixed plate 2 by fasteners or other means. A reducer 5 is connected to the output shaft of the motor and is also fixedly connected to the fixed plate 2. The output shaft of the reducer 5 is connected to the power gear 4, and the reducer 5 drives the power gear 4 to rotate. The power gear 4 meshes with a rack 16 on the external column 15. When the power gear 4 rotates, it causes the housing 1 to rise or fall.

[0020] Several guide wheels 13 are provided on the fixed plate 2. The guide wheels 13 are used to abut against the external columns 15 to keep the box 1 stable. The guide wheels 13 are arranged in two directions: one is against the sides of the external columns 15, and the other is against the side of the external columns 15 away from the box 1. The external columns 15 are made of multiple cylindrical rods connected together. In order to make the guide wheels 13 better abut against the columns 15, concave wheels with a downward-sloping center are selected. The concave center here refers to the middle part of the arc-shaped surface of the guide wheel 13.

[0021] The synchronization mechanism includes two synchronization shafts 6, both of which are rotatably connected to the housing 1. Both synchronization shafts 6 are fixed to the lower end face of the housing 1. In this design, the two synchronization shafts 6 are aligned longitudinally. The synchronization shafts 6 have a significant height difference from the power mechanism, which better increases the stability of the housing 1 during lifting. One end of each synchronization shaft 6 is equipped with a bevel gear 7, and the other end is equipped with an auxiliary gear 12. The positions of the bevel gear 7 and the auxiliary gear 12 on the two synchronization shafts 6 are opposite; that is, the bevel gear on one synchronization shaft 6 faces the left side of the housing 1, and the bevel gear on the other synchronization shaft 6 faces the right side of the housing 1.

[0022] Both sides of the box 1 are provided with vertical shaft 8, vertical shaft 8 and box 1 rotationally connected, the lower end of vertical shaft 8 is provided with bevel gear two 9, bevel gear two 9 and bevel gear one 7 meshing. The upper end of vertical shaft 8 is provided with bevel gear three 10, the output shaft of speed reducer 5 is provided with bevel gear four 11, bevel gear three 10 and bevel gear four 11 meshing. When the output shaft of speed reducer 5 rotates, it will drive bevel gear three 10 to rotate through bevel gear four 11, bevel gear three 10 will drive vertical shaft 8 to rotate, so that bevel gear two 9 drives bevel gear one 7 to rotate, when bevel gear one 7 rotates, it will drive auxiliary gear 12 connected with the synchronous shaft 6 to rotate through the synchronous shaft 6. Auxiliary gear 12 is located below the power gear 4, auxiliary gear 12 is also meshed with rack 16. In this design, the speed of auxiliary gear 12 located on the left side of box 1 is the same as the speed of power gear 4 located on the right side of box 1, the speed of auxiliary gear 12 located on the right side of box 1 is the same as the speed of power gear 4 located on the left side of box 1, and the size of auxiliary gear 12 is the same as the size of power gear 4, so when the speed of power gear 4 on one side of box 1 is faster than the other side, the faster speed of auxiliary gear 12 below the slower side power gear 4 will push the box 1 on that side to rise, so that the both sides of the box 1 remain stable. When the box 1 on one side is accelerated to lift by the auxiliary gear 12, the speed of the power gear 4 on that side will be accelerated through the rack 16. In order to make the power gear 4 not hinder the acceleration of the box 1 on one side, a torque sensor can be added on the output shaft of the power gear 4 and the speed reducer 5, when the torque at this place is greater than the torque provided by the speed reducer 5, the external controller will control the motor on that side to rotate faster.

[0023] Both sides of the box 1 lower end are provided with auxiliary guide wheel 14, two auxiliary guide wheels 14 are located on one side of two auxiliary gears 12, the auxiliary guide wheels 14 and the auxiliary gears 12 located on the same side are respectively abutted on both sides of the rack 16, the auxiliary guide wheels 14 can cooperate with the auxiliary gears 12, so that the structure will not be separated from the rack 16, thereby better realizing the synchronization of the both sides.

[0024] In order to make the synchronization more convenient, the sizes of bevel gear one 7, bevel gear two 9, bevel gear three 10 and bevel gear four 11 are the same.

[0025] In this design, the main purpose is to synchronize the lifting of the box 1, so a one-way bearing is sleeved on the inner edge of bevel gear three 10, when the box 1 rises, bevel gear three 10 drives vertical shaft 8 to rotate, when the box 1 descends, bevel gear three 10 cannot drive vertical shaft 8 to rotate.

[0026] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the present application, and it should be understood that the above-described specific embodiments are merely specific embodiments of the present application and are not used to limit the present application, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dual-synchronous-shaft (6) elevator housing (1), comprising a housing (1), a power mechanism, and a synchronization mechanism, characterized in that, The power mechanism is provided in two sets, which are respectively fixed on both sides of the housing (1). The power mechanism includes a fixed plate (2), a drive motor (3), and a power gear (4). The fixed plate (2) is fixedly connected to the housing (1), and the motor is fixedly connected to one side of the fixed plate (2). A reducer (5) is connected to the output shaft of the motor. The output shaft of the reducer (5) is fixedly connected to the power gear (4). The power gear (4) meshes with the rack (16) on the external column (15). The two sets of power mechanisms operate synchronously to adjust the height of the housing (1). The synchronization mechanism includes two synchronous shafts (6), both of which are rotatably connected to the housing (1). One end of the synchronous shaft (6) is provided with a bevel gear (7). 1) Both sides are provided with vertical shafts (8), the vertical shafts (8) are rotatably connected to the housing (1), the lower end of the vertical shaft (8) is provided with bevel gear two (9), the bevel gear one (7) meshes with bevel gear two (9), the upper end of the vertical shaft (8) is provided with bevel gear three (10), the output shaft of the reducer (5) is provided with bevel gear four (11), the bevel gear three (10) and bevel gear four (11) mesh, the other end of the synchronous shaft (6) is provided with auxiliary gear (12), the auxiliary gear (12) meshes with the rack (16) on the external column (15), the two synchronous shafts (6) are provided with auxiliary gear (12) and bevel gear one (7) in opposite positions, and the two synchronous shafts (6) mesh with one of the uprights through bevel gear one (7) and bevel gear two (9).

2. The dual synchronous shaft (6) elevator housing (1) according to claim 1, characterized in that, The bevel gears 1 (7), 2 (9), 3 (10) and 4 (11) are the same size. A one-way bearing is fitted on the inner edge of the bevel gear 3 (10). When the housing (1) rises, the bevel gear 3 (10) drives the vertical shaft (8) to rotate. When the housing (1) falls, the bevel gear 3 (10) cannot drive the vertical shaft (8) to rotate.

3. The dual synchronous shaft (6) elevator housing (1) according to claim 1, characterized in that, The fixing plate (2) is provided with several guide wheels (13). The guide wheels (13) are concave wheels with a downward recess in the middle. The guide wheels (13) are used to abut against the external column (15) so that the box (1) remains stable.

4. The dual synchronous shaft (6) elevator housing (1) according to claim 1, characterized in that, Both synchronous shafts (6) are fixed to the bottom of the housing (1) and are rotatably connected to the housing (1).

5. The dual synchronous shaft (6) elevator housing (1) according to claim 4, characterized in that, Auxiliary guide wheels (14) are provided on both sides of the lower end of the housing (1). The two auxiliary guide wheels (14) are located on one side of the two auxiliary gears (12). The auxiliary guide wheels (14) and auxiliary gears (12) located on the same side abut against both sides of the rack (16).

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