Rotary driving device of rotary car frame

Abstract

The invention discloses a rotary driving device for a rotary car platform, which belongs to the technical field of stereo garages and comprises a front rotary car platform, a motor transmission device is mounted at one end of the front rotary car platform, and a bevel gear differential device is in transmission connection with the motor transmission device. Two groups of rear driving walking wheel devices which are in transmission connection with the bevel gear differential device are mounted at the rear end of the front turning table, and two groups of front walking wheel devices are mounted at the front end of the front turning table; the bevel gear differential device is used for distributing torque on the transmission shaft, during turning, the rotating speeds of the left and right second polyurethane rubber-coated wheels are different, the bevel gear differential device can automatically adjust the rotating speeds of the left and right second polyurethane rubber-coated wheels, the left and right second polyurethane rubber-coated wheels are allowed to rotate at different speeds, the rotating stability of the front rotating vehicle table is ensured, and the stability of the front rotating vehicle table is improved. And it is guaranteed that the second polyurethane rubber-coated wheels on the two sides rotate at different angular speeds so that power transmission of the second polyurethane rubber-coated wheels under various movement conditions can be guaranteed, slipping between the tire and the ground is avoided, and friction between the tire and the ground is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of three-dimensional carports, and in particular to a rotating platform rotation driving device. Background Art

[0002] Mechanical stereo garage is a major innovation in the field of modern urban parking. With its high efficiency, convenience and space saving, it has become an important solution to the problem of urban parking. Mechanical stereo garage adopts advanced mechanical and automation technology, and realizes automatic storage and retrieval of vehicles through intelligent control system. This kind of garage can make full use of vertical space and park vehicles in multi-layer structure, which greatly increases the number of parking spaces and effectively alleviates the shortage of urban parking spaces. Compared with traditional flat parking lots, mechanical stereo garage has significant advantages. First, it can greatly save land resources and increase the number of parking spaces per unit area by multiples. Secondly, the operation of mechanical stereo garage is simple and fast. The owner only needs to park the vehicle in the designated location, and the system will automatically move the vehicle to the appropriate parking space, saving the owner the trouble of finding a parking space. At the same time, mechanical stereo garage also has a high degree of safety and reliability. Through intelligent control system and multiple safety protection devices, it ensures the safety of vehicle parking. In addition, mechanical stereo garage also has the advantages of intelligent management, environmental protection and energy saving. The intelligent management system can monitor the operating status of the garage in real time and provide convenient query and reservation services; at the same time, the design and construction of the garage also fully consider environmental factors, using energy-saving materials and technologies to reduce energy consumption and environmental pollution.

[0003] In order to increase the number of parking spaces and maximize the land utilization rate, the existing mechanical multi-story parking garage invented a front rotating platform. At present, most of the driving mechanisms of this front rotating platform adopt sprockets directly installed on both ends of the transmission shaft, and the front rotating platform is driven in and out of the mechanical parking space by the sprocket and chain transmission. It is difficult to ensure the control of the wheel direction when the front rotating platform rotates. The wheels on both sides cannot rotate at different speeds, and different turning radiuses cannot be given to the inner and outer wheels when turning. The speed of the left and right wheels cannot be automatically adjusted, resulting in uneven rotation, even slipping and wear of the ground, and inconvenient debugging and complicated maintenance.

[0004] Therefore, it is necessary to provide a rotary platform rotation driving device to solve the above technical problems. Summary of the invention

[0005] The object of the present invention is to provide a rotating platform rotation drive device to solve the problem proposed in the above background technology that most of the existing front rotating platform driving mechanisms adopt sprockets directly installed at both ends of the transmission shaft, and the front rotating platform is driven in and out of the mechanical parking space by the sprocket and chain transmission, which makes it difficult to ensure the control of the wheel direction when the front rotating platform rotates, the wheels on both sides cannot rotate at different speeds, and different turning radii cannot be given to the inner and outer wheels when turning, and the speed of the left and right wheels cannot be automatically adjusted, resulting in uneven rotation, and even slipping and wear of the ground, and the debugging is inconvenient and the maintenance is complicated.

[0006] To achieve the above-mentioned purpose, the solution of the present invention to solve the above-mentioned technical problem is as follows: a rotating platform rotation drive device, including a front rotating platform, one end of the front rotating platform is equipped with a motor transmission device, and the motor transmission device is transmission-connected to a bevel gear differential device, the rear end of the front rotating platform is equipped with two sets of rear drive walking wheel devices transmission-connected to the bevel gear differential device, and the front end of the front rotating platform is equipped with two sets of front walking wheel devices.

[0007] As a further solution of the present invention, the motor transmission device includes a motor fixed on one end of the front rotating platform, and a motor sprocket is fixed to the output end of the motor, which drives two sets of rear driving walking wheel devices to rotate.

[0008] As a further solution of the present invention, the bevel gear differential device includes a driving shaft rotatably connected to the frame of the front rotating platform, two driving shafts are provided and the two driving shafts are coaxially arranged, large bevel gears are fixed on the ends of the two driving shafts close to each other, a small bevel gear rotatably connected to the frame of the front rotating platform and meshing with the two large bevel gears, a transmission sprocket is fixed on the side of the driving shaft, and a first chain is meshingly connected between the transmission sprocket and the motor sprocket.

[0009] As a further solution of the present invention, a bearing cover is fixed on the frame of the front rotating platform, the drive shaft is rotatably connected to the front rotating platform through a bearing, and the drive shaft rotates through the bearing cover.

[0010] As a further solution of the present invention, the rear drive walking wheel device includes a driving sprocket fixed on one end of the driving shaft, a second walking wheel seat is fixed on the frame of the front rotating platform, a second shaft rod is rotatably connected to the side of the second walking wheel seat, a second polyurethane rubber-coated wheel is fixed on the side of the second shaft rod, a wheel sprocket is fixed on the side of the second shaft rod, and a second chain is meshed and connected between the wheel sprocket and the driving sprocket.

[0011] As a further solution of the present invention, the front walking wheel device includes a first walking wheel seat fixed on the front turntable frame, a first shaft rod is rotatably connected to the side of the first walking wheel seat, and a first polyurethane rubber-coated wheel is fixed to one end of the first shaft rod.

[0012] As a further solution of the present invention, a gear fixing seat is fixed on the frame of the front turning platform, and the two large bevel gears and the small bevel gear are both installed in the gear fixing seat.

[0013] Compared with the prior art, the beneficial effects of the present invention are: through the differential transmission mechanism of the bevel gear differential device, the torque on the transmission shaft is distributed, and the second polyurethane rubber-coated wheels on both sides are ensured to rotate at different angular velocities to ensure the power transmission of each second polyurethane rubber-coated wheel under various motion conditions, avoiding slipping between the tire and the ground, reducing the friction between the tire and the ground, and when the front rotating platform is turned out, the second polyurethane rubber-coated wheels on both sides can rotate at different speeds to adapt to the different turning radii of the inner and outer second polyurethane rubber-coated wheels when turning, ensuring the smooth rotation of the front rotating platform, with the advantages of compact structure, convenient installation and debugging, high control accuracy, accurate positioning, etc.; the front rotating platform can be accurately driven in and out of the mechanical parking space, and space is reserved for the lifting of the parking space. The rotation is smooth and the positioning is accurate, so that the front rotating platform can enter and exit the parking space safely and smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0016] Figure 2 It is a partial structural schematic diagram of the motor transmission device of the present invention;

[0017] Figure 3 It is a partial structural schematic diagram of the bevel gear differential device of the present invention;

[0018] Figure 4 The partial structure diagram of the rear driving wheel device of the present invention is shown in FIG. Figure 1 ;

[0019] Figure 5 The partial structure diagram of the rear driving wheel device of the present invention is shown in FIG. Figure 2 ;

[0020] Figure 6 The partial structure diagram of the rear driving wheel device of the present invention is shown in FIG. Figure 3 ;

[0021] Figure 7 The partial structure of the front running wheel device of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 8 The partial structure of the front running wheel device of the present invention is shown in FIG. Figure 2 .

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Bevel gear differential device; 101. Gear fixing seat; 102. Large bevel gear; 103. Small bevel gear; 104. Bearing cover; 105. Drive shaft; 2. Motor transmission device; 201. Motor; 202. First chain; 203. Motor sprocket; 204. Drive sprocket; 3. Front rotating platform; 4. Front running wheel device; 401. First polyurethane rubber-coated wheel; 402. First running wheel seat; 403. First shaft rod; 5. Rear drive running wheel device; 501. Second polyurethane rubber-coated wheel; 502. Second shaft rod; 503. Drive sprocket; 504. Second chain; 505. Wheel sprocket; 506. Second running wheel seat. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the embodiments.

[0026] See also Figure 1-8The present invention provides a rotating platform rotation driving device, including a front rotating platform 3, a motor transmission device 2 is installed at one end of the front rotating platform 3, a bevel gear differential device 1 is connected to the motor transmission device 2, two sets of rear drive walking wheel devices 5 connected to the bevel gear differential device 1 are installed at the rear end of the front rotating platform 3, and two sets of front walking wheel devices 4 are installed at the front end of the front rotating platform 3; the present invention is composed of the front rotating platform 3, the motor transmission device 2, the front walking wheel device 4, the rear drive walking wheel device 5 and the bevel gear differential device 1. The present invention uses a first chain 202 for transmission, and a transmission sprocket 204 is coaxial with the large bevel gear 102. The front rotating platform 3 is driven in and out of the parking space through gear meshing rotation. The first chain 202 is installed between the motor sprocket 203 and the transmission sprocket 204 to realize transmission synchronization. The bevel gear differential device 1 is used to distribute torque on the transmission shaft through the differential transmission mechanism, and ensure that the second polyurethane package on both sides The rubber wheels 501 rotate at different angular velocities to ensure the power transmission of each second polyurethane rubber-coated wheel 501 under various motion conditions, avoid slipping between the tire and the ground, and reduce the friction between the tire and the ground, so that when the front rotating platform 3 rotates out of the turn, the second polyurethane rubber-coated wheels 501 on both sides can rotate at different speeds to adapt to the different turning radius of the inner and outer second polyurethane rubber-coated wheels 501 when turning. When the front rotating platform 3 is traveling in a straight line, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are almost the same, and when turning, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are different. The bevel gear differential device 1 can automatically adjust the rotation speeds of the left and right second polyurethane rubber-coated wheels 501, allowing them to rotate at different speeds, ensuring the smooth rotation of the front rotating platform 3, with the advantages of compact structure, convenient installation and debugging, high control accuracy, accurate positioning, etc., can accurately drive the front rotating platform in and out of the mechanical parking space, and reserve space for the lifting of the parking space. The rotation is smooth and the positioning is accurate, so that the front rotating platform can enter and exit the parking space safely and smoothly.

[0027] Further as Figure 1 and Figure 2 As shown, it is worth explaining in detail that the motor transmission device 2 includes a motor 201 fixed on one end of the front rotating platform 3, and a motor sprocket 203 is fixed on the output of the motor 201, and the two sets of rear driving walking wheel devices 5 are driven to rotate through the motor sprocket 203; the motor transmission device 2 includes a motor 201, a first chain 202, a motor sprocket 203, a transmission sprocket 204, a seat bearing, a bolt pair, etc., and the transmission is realized through the cooperation of the first chain 202, the motor sprocket 203 and the transmission sprocket 204, thereby driving the front rotating platform 3 in and out of the parking space.

[0028] Further as Figure 1 , Figure 2 and Figure 3As shown, it is worth specifically explaining that the bevel gear differential device 1 includes a drive shaft 105 rotatably connected to the frame of the front rotating platform 3, two drive shafts 105 are provided and the two drive shafts 105 are coaxially arranged, and large bevel gears 102 are fixed on the ends of the two drive shafts 105 close to each other, and a small bevel gear 103 meshing with the two large bevel gears 102 is rotatably connected to the frame of the front rotating platform 3, and a transmission sprocket 204 is fixed on the side of the drive shaft 105. The sprocket 204 and the motor sprocket 203 are meshed with each other and are connected with a first chain 202; the bevel gear differential device 1 includes a large bevel gear 102, a small bevel gear 103, a drive shaft 105, a bearing cover, a bearing, a flat key and a gear fixing seat 101, etc. The large bevel gear 102 and the small bevel gear 103 are installed in the gear fixing seat 101, and bearings are installed at both ends of the large bevel gear 102 and the small bevel gear 103, which are fixed to the rear crossbeam of the front turntable 3 through a seat bearing.

[0029] Further Figure 3 As shown, it is worth explaining in detail that a bearing cover 104 is fixed on the frame of the front rotating platform 3, and the drive shaft 105 is rotatably connected to the front rotating platform 3 through a bearing, and the drive shaft 105 rotates and penetrates the bearing cover 104; during specific operation, the rotation of the drive shaft 105 is auxiliary supported by the bearing cover 104, thereby improving the stability of the rotation of the drive shaft 105.

[0030] Further Figure 4 , Figure 5 and Figure 6 As shown, it is worth specifically explaining that the rear drive wheel device 5 includes a driving sprocket 503 fixed on one end of the driving shaft 105, a second wheel seat 506 is fixed on the frame of the front rotating platform 3, and a second shaft rod 502 is rotatably connected to the side of the second wheel seat 506, a second polyurethane rubber-coated wheel 501 is fixed on the side of the second shaft rod 502, a wheel sprocket 505 is fixed on the side of the second shaft rod 502, and a second chain 504 is meshed and connected between the wheel sprocket 505 and the driving sprocket 503; the rear drive wheel device 5 includes a driving sprocket 503, a wheel sprocket 505, a second shaft rod 502, a second wheel seat 506, a bearing cover, a bearing, a flat key, a second polyurethane rubber-coated wheel 501 and a second chain 504, etc. The driving sprocket 503 and the wheel sprocket 505 are connected and transmitted through the second chain 504, and bearings are installed at both ends of the second polyurethane rubber-coated wheel 501, and the bearing covers at both ends of the bearings are fixed to the fixed seat with bolts.

[0031] This solution has the following working process: when the front turntable 3 is traveling in a straight line, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are almost the same, while when turning, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are different. Through the cooperation of the large bevel gear 102 and the small bevel gear 103, the drive shaft 105 can automatically adjust the rotation speeds of the left and right second polyurethane rubber-coated wheels 501, allowing them to rotate at different speeds, thereby ensuring the smooth rotation of the front turntable 3.

[0032] Further Figure 7 and Figure 8 As shown, it is worth explaining in detail that the front walking wheel device 4 includes a first walking wheel seat 402 fixed on the frame of the front turntable 3, and a first shaft rod 403 is rotatably connected to the side of the first walking wheel seat 402, and a first polyurethane rubber-coated wheel 401 is fixed to one end of the first shaft rod 403; the front walking wheel device 4 includes a first shaft rod 403, a bearing, a first polyurethane rubber-coated wheel 401, a first walking wheel seat 402, etc., wherein the upper end bearing of the walking wheel is tightened on the first shaft rod 403 with a round nut stop washer and a round nut to prevent the structural parts from shifting, and bearings are installed at both ends of the first polyurethane rubber-coated wheel 401.

[0033] Further Figure 3 As shown, it is worth explaining in detail that a gear fixing seat 101 is fixed on the frame of the front turning platform 3 , and two large bevel gears 102 and a small bevel gear 103 are both installed in the gear fixing seat 101 .

[0034] In summary: the differential transmission mechanism of the bevel gear differential device 1 is used to distribute torque on the drive shaft and ensure that the second polyurethane rubber-coated wheels 501 on both sides rotate at different angular velocities to ensure power transmission of each second polyurethane rubber-coated wheel 501 under various motion conditions, avoid slipping between the tire and the ground, and reduce the friction between the tire and the ground, so that when the front rotating platform 3 is turned out, the second polyurethane rubber-coated wheels 501 on both sides can rotate at different speeds to adapt to the different turning radii of the inner and outer second polyurethane rubber-coated wheels 501 when turning. When the front rotating platform 3 is traveling in a straight line, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are almost the same, while when turning, the rotation speeds of the left and right second polyurethane rubber-coated wheels 501 are different. The bevel gear differential device 1 can automatically adjust the rotation speeds of the left and right second polyurethane rubber-coated wheels 501, allowing them to rotate at different speeds, ensuring the smooth rotation of the front rotating platform 3, and has the advantages of compact structure, convenient installation and debugging, high control accuracy, accurate positioning, etc., and can accurately drive the front rotating platform in and out of the mechanical parking space, reserving space for parking space lifting. The rotation is smooth and the positioning is accurate, allowing the front rotating platform to enter and exit the parking space safely and smoothly.

Claims

1. A rotary table rotation driving device, comprising a front rotary table (3), characterized in that: A motor transmission device (2) is installed at one end of the front rotating platform (3), and a bevel gear differential device (1) is transmission-connected to the motor transmission device (2). Two sets of rear drive running wheel devices (5) transmission-connected to the bevel gear differential device (1) are installed at the rear end of the front rotating platform (3), and two sets of front running wheel devices (4) are installed at the front end of the front rotating platform (3).

2. The rotating platform rotation driving device according to claim 1, characterized in that: The motor transmission device (2) comprises a motor (201) fixed on one end of the front rotating platform (3), a motor sprocket (203) being fixed on the output of the motor (201), and the motor sprocket (203) is used to drive two sets of rear driving walking wheel devices (5) to rotate.

3. The rotating platform rotation driving device according to claim 2, characterized in that: The bevel gear differential device (1) comprises a drive shaft (105) rotatably connected to a frame of a front rotating platform (3); two drive shafts (105) are provided and the two drive shafts (105) are coaxially arranged; large bevel gears (102) are fixed to the ends of the two drive shafts (105) close to each other; a small bevel gear (103) meshingly connected to the two large bevel gears (102) is rotatably connected to the frame of the front rotating platform (3); a transmission sprocket (204) is fixed to the side of the drive shaft (105); a first chain (202) is meshingly connected between the transmission sprocket (204) and the motor sprocket (203).

4. The rotating platform rotation driving device according to claim 3, characterized in that: A bearing cover (104) is fixed on the frame of the front rotary platform (3), and the drive shaft (105) is rotatably connected to the front rotary platform (3) via a bearing, and the drive shaft (105) rotatably penetrates the bearing cover (104).

5. The rotating platform rotation driving device according to claim 1, characterized in that: The rear drive wheel device (5) comprises a driving sprocket (503) fixed to one end of a driving shaft (105); a second wheel seat (506) is fixed to the frame of the front rotating platform (3); a second shaft (502) is rotatably connected to the side of the second wheel seat (506); a second polyurethane rubber-coated wheel (501) is fixed to the side of the second shaft (502); a wheel sprocket (505) is fixed to the side of the second shaft (502); and a second chain (504) is meshed and connected between the wheel sprocket (505) and the driving sprocket (503).

6. The rotating platform rotation driving device according to claim 5, characterized in that: The front running wheel device (4) comprises a first running wheel seat (402) fixed on the frame of the front turning platform (3), a first shaft rod (403) being rotatably connected to the side surface of the first running wheel seat (402), and a first polyurethane rubber-coated wheel (401) being fixed to one end of the first shaft rod (403).

7. The rotating platform rotation driving device according to claim 4, characterized in that: A gear fixing seat (101) is fixed on the frame of the front rotating platform (3), and the two large bevel gears (102) and the small bevel gear (103) are both installed in the gear fixing seat (101).

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