Spiral synchronous lifting track transfer device

Abstract

The utility model discloses a spiral synchronous lifting track transfer device, which relates to the technical field of track transfer vehicles and comprises a chassis frame, track wheels, a driving structure, an electric lead screw lifter, a transmission structure, a platform and a controller. Four rail wheels and four groups of driving structures in one-to-one correspondence with the four rail wheels are arranged at the bottom of the chassis frame, and each rail wheel is connected with the corresponding group of driving structure; four groups of electric lead screw lifters and a group of transmission structure are arranged on the chassis frame, the input ends of the four groups of electric lead screw lifters are all connected with the transmission structure, and the output ends of the four groups of electric lead screw lifters are all arranged upwards and are jointly connected with a platform; the chassis frame is further provided with a controller, and the controller is electrically connected with the driving structure and the transmission structure. According to the device, an electric spiral synchronous lifting mode is used for replacing a traditional hydraulic mode, synchronism is high, precise lifting operation of the platform is met, and the device has high use value.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transfer vehicles, in particular to a spiral synchronous lifting rail transfer device. Background Art

[0002] Rail transfer flat cars are often used in workshop environments, mainly for the transfer of heavy objects. With the increasing demand in workshops, heavy objects need to be lifted during the transfer process. For this reason, rail transfer flat cars with lifting functions have been developed. For example, Chinese patent CN208469806U discloses a liftable rail flat car. This type of equipment meets the lifting function by setting a lifting device. However, the lifting device in the equipment is driven by hydraulic means. The hydraulic method has certain limitations, the hydraulic lifting synchronization is poor, and the lifting accuracy needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the problems raised in the above background technology, and then proposes a spiral synchronous lifting track transfer device.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A spiral synchronous lifting track transfer device comprises a chassis frame, track wheels, a driving structure, an electric screw lift, a transmission structure, a platform and a controller; four track wheels and four groups of driving structures arranged in one-to-one correspondence with the four track wheels are arranged at the bottom of the chassis frame, and each track wheel is respectively connected to a corresponding group of driving structures; four groups of electric screw lifts and a group of transmission structures are arranged on the chassis frame, and the input ends of the four groups of electric screw lifts are all connected to the transmission structure so that the transmission structure operates to make the four groups of electric screw lifts move synchronously, and the output ends of the four groups of electric screw lifts are all arranged upward and are commonly connected to the platform; a controller is also arranged on the chassis frame, and the controller is electrically connected to the driving structure and the transmission structure.

[0006] Furthermore, the driving structure includes a driving motor and a transmission part; the driving motor is arranged on the chassis frame, and the driving motor is connected to the track wheel through the transmission part so that the driving motor drives the transmission part to move, and finally the track wheel rotates.

[0007] Furthermore, the transmission part is a chain drive, a belt drive or a tooth drive.

[0008] Preferably, the transmission part is gear transmission with high gear transmission precision and good synchronization.

[0009] Furthermore, the gear transmission includes a main gear and a slave gear; the main gear is connected to the driving motor, the slave gear is coaxially arranged with the track wheel, and the main gear is meshed with the slave gear.

[0010] Furthermore, the transmission structure includes a transmission motor, a middle double output shaft reducer, a middle transmission shaft, a side double output shaft reducer and a side transmission shaft; the transmission motor is arranged in the middle position of the chassis frame and is connected to the middle double output shaft reducer, the output end of the middle double output shaft reducer is connected to the input ends of the two side double output shaft reducers through two middle transmission shafts, and the output ends of the two side double output shaft reducers are respectively connected to the input ends of the four groups of electric screw lifts through two side transmission shafts.

[0011] Furthermore, the driving motor and the transmission motor are both servo motors to improve the transmission effect of each actuator in the device.

[0012] Furthermore, two sets of anti-collision structures are symmetrically arranged at the front end and the rear end of the chassis frame to prevent the device from violently colliding with foreign objects during forward or backward movement, thereby improving the safety protection capability of the device.

[0013] Furthermore, the anti-collision structure includes a pressure sensor, a polyurethane buffer and a buzzer; the pressure sensor is arranged on the chassis frame and the polyurethane buffer is horizontally arranged thereon, the pressure sensor is also electrically connected to the buzzer, and the buzzer is arranged on the chassis frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is equipped with a chassis frame, track wheels, a driving structure, an electric screw lifter, a transmission structure, a platform and a controller; an electric screw synchronous lifting method is used to replace the traditional hydraulic method, which has high synchronization and meets the precise lifting operation of the platform.

[0016] 2. The utility model symmetrically arranges two sets of anti-collision structures at the front and rear ends of the chassis frame, thereby avoiding a violent collision between the device and foreign objects during the forward or backward movement, thereby improving the safety protection capability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 is a schematic diagram of the position of the transmission structure;

[0019] Figure 3 This is a schematic diagram of the installation of the anti-collision structure;

[0020] Among them: 1. chassis frame; 2. track wheel; 3. driving structure; 31. driving motor; 32. transmission part; 4. electric screw lift; 5. transmission structure; 51. transmission motor; 52. middle double output shaft reducer; 53. middle transmission shaft; 54. side double output shaft reducer; 55. side transmission shaft; 6. platform; 7. controller; 8. anti-collision structure; 81. pressure sensor; 82. polyurethane buffer; 83. buzzer. 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 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. The utility model is further described in combination with the drawings and embodiments:

[0022] Refer to the attached Figure 1 -Attached Figure 2 As shown, a spiral synchronous lifting track transfer device includes a chassis frame 1, track wheels 2, a driving structure 3, an electric screw lift 4, a transmission structure 5, a platform 6 and a controller 7; four track wheels 2 and four groups of driving structures 3 corresponding to the four track wheels 2 are arranged at the bottom of the chassis frame 1, and each track wheel 2 is connected to a corresponding group of driving structures 3 so that the driving structure 3 operates to drive the track wheel 2 to rotate, and the four groups of driving structures 3 operate synchronously to make the four track wheels 2 rotate synchronously; four groups of electric screw lifts 4 and a group of transmission structures 5 are arranged on the chassis frame 1, and the input ends of the four groups of electric screw lifts 4 are all connected to the transmission structure 5 so that the transmission structure 5 operates to make the four groups of electric screw lifts 4 move synchronously, and the output ends of the four groups of electric screw lifts 4 are all arranged upward and are commonly connected to the platform 6 so that the four groups of electric screw lifts 4 move synchronously to make the platform 6 rise or fall; a controller 7 is also provided on the chassis frame 1, and the controller 7 is electrically connected to the driving structure 3 and the transmission structure 5.

[0023] For details, please refer to the attached Figure 2 As shown, the driving structure 3 includes a driving motor 31 and a transmission part 32; the driving motor 31 is arranged on the chassis frame 1, and the driving motor 31 is connected to the track wheel 2 through the transmission part 32 so that the driving motor 31 drives the transmission part 32 to move, and finally the track wheel 2 rotates; wherein the transmission part 32 is a chain drive, a belt drive or a tooth drive in the prior art, and in this scheme, the transmission part 32 is preferably a tooth drive, and the tooth drive has high precision and good synchronization; specifically, the tooth drive includes a main gear and a slave gear (not shown in the figure), the main gear is connected to the driving motor 31, the slave gear is coaxially arranged with the track wheel 2, and the main gear is meshed with the slave gear.

[0024] For details, please refer to the attached Figure 1 -Attached Figure 2 As shown, the transmission structure 5 includes a transmission motor 51, a middle double output shaft reducer 52, a middle transmission shaft 53, a side double output shaft reducer 54 and a side transmission shaft 55; the transmission motor 51 is arranged in the middle position of the chassis frame 1 and is connected with the middle double output shaft reducer 52, the output end of the middle double output shaft reducer 52 is connected with the input ends of the two side double output shaft reducers 54 through the two middle transmission shafts 53, and the output ends of the two side double output shaft reducers 54 are respectively connected with the input ends of the four groups of electric screw lifts 4 through the two side transmission shafts 55; in the scheme, the transmission motor 51 works to make the middle double output shaft reducer 52 drive the two middle transmission shafts 53 to rotate, the rotation of the two middle transmission shafts 53 makes the two side double output shaft reducers 54 operate, the operation of the two side double output shaft reducers 54 makes the four side transmission shafts 55 rotate, and the rotation of the four side transmission shafts 55 drives the four groups of electric screw lifts 4 to be linked simultaneously.

[0025] In the above solution, the driving motor 31 and the transmission motor 51 are both servo motors. The servo motor can control the speed and the position accuracy is very accurate, which improves the transmission effect of each actuator in the device.

[0026] In addition, from the perspective of device safety protection, please refer to the attached Figure 3 As shown, two sets of anti-collision structures 8 are symmetrically arranged at the front and rear ends of the chassis frame 1 to prevent the device from violently colliding with foreign objects during forward or backward movement. Specifically, the anti-collision structure 8 includes a pressure sensor 81, a polyurethane buffer 82 and a buzzer 83; the pressure sensor 81 is arranged on the chassis frame 1 and a polyurethane buffer 82 is horizontally arranged thereon, the polyurethane buffer 82 is used to contact with foreign objects, the pressure sensor 81 is also electrically connected to the buzzer 83, and the buzzer 83 is arranged on the chassis frame 1; during the implementation of the scheme, when the polyurethane buffer 82 is hit, the pressure sensor 81 generates an electrical signal due to the pressure, and finally the buzzer 83 sounds an alarm.

[0027] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A spiral synchronous lifting track transport device, characterized in that: It comprises a chassis frame (1), a track wheel (2), a driving structure (3), an electric screw lifter (4), a transmission structure (5), a platform (6) and a controller (7); The bottom of the chassis frame (1) is provided with four track wheels (2) and four groups of driving structures (3) arranged in one-to-one correspondence with the four track wheels (2), and each track wheel (2) is respectively connected to a corresponding group of driving structures (3); Four groups of electric screw lifts (4) and a group of transmission structures (5) are arranged on the chassis frame (1), and the input ends of the four groups of electric screw lifts (4) are connected to the transmission structure (5) so that the transmission structure (5) operates to make the four groups of electric screw lifts (4) move synchronously, and the output ends of the four groups of electric screw lifts (4) are arranged upward and are commonly connected to a platform (6); A controller (7) is also provided on the chassis frame (1), and the controller (7) is electrically connected to the driving structure (3) and the transmission structure (5).

2. A spiral synchronous lifting track transfer device according to claim 1, characterized in that: The driving structure (3) comprises a driving motor (31) and a transmission part (32); The driving motor (31) is arranged on the chassis frame (1), and the driving motor (31) is connected to the track wheel (2) via a transmission part (32).

3. A spiral synchronous lifting track transfer device according to claim 2, characterized in that: The transmission part (32) is a chain drive, a belt drive or a tooth drive.

4. The spiral synchronous lifting track transfer device according to claim 3 is characterized in that: The gear transmission includes a main gear and a slave gear; The main gear is connected to the driving motor (31), the slave gear is coaxially arranged with the track wheel (2), and the main gear is meshed with the slave gear.

5. The spiral synchronous lifting track transfer device according to claim 2, characterized in that: The transmission structure (5) comprises a transmission motor (51), a middle dual output shaft reducer (52), a middle transmission shaft (53), a side dual output shaft reducer (54) and a side transmission shaft (55); The transmission motor (51) is arranged in the middle of the chassis frame (1) and is connected to a middle dual output shaft reducer (52); the output end of the middle dual output shaft reducer (52) is connected to the input ends of two side dual output shaft reducers (54) through two middle transmission shafts (53); the output ends of the two side dual output shaft reducers (54) are respectively connected to the input ends of four sets of electric screw lifts (4) through two side transmission shafts (55).

6. The spiral synchronous lifting track transfer device according to claim 5, characterized in that: The driving motor (31) and the transmission motor (51) are both servo motors.

7. The spiral synchronous lifting track transfer device according to claim 1, characterized in that: Two groups of anti-collision structures (8) are symmetrically arranged at the front end and the rear end of the chassis frame (1).

8. The spiral synchronous lifting track transport device according to claim 7, characterized in that: The anti-collision structure (8) comprises a pressure sensor (81), a polyurethane buffer (82) and a buzzer (83); The pressure sensor (81) is arranged on the chassis frame (1) and a polyurethane buffer (82) is arranged horizontally thereon. The pressure sensor (81) is also electrically connected to a buzzer (83) which is arranged on the chassis frame (1).

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