A self-locking device for wheel system of container transport platform

Abstract

The present invention relates to a wheel train self-locking device for a container transport platform, comprising: a transport platform, a driving device, and a self-locking device; four sets of the driving devices are symmetrically installed at the bottom of the transport platform, and one set of the self-locking device is installed on the side faces of the wheel trains of the four driving devices; the transport platform adopts a frame structure, a steel plate is installed on the surface, a lifting device is installed inside the frame structure, and the driving devices are symmetrically installed at the bottom, the driving devices adopt a wheel-side driving mode, and the driving devices comprise: a driving motor, a reducer, and a universal wheel; the self-locking device self-locks the universal wheel when the driving device is braked; the present invention realizes the braking self-locking function of the container transport platform through a mechanical control method, and has the remarkable advantages of simple structure, stable and compact, convenient operation, high reliability, and good versatility.

Description

Technical Field

[0001] The invention relates to an important component of a container transport platform, in particular to a wheel system self-locking device of the container transport platform. Background Art

[0002] A container transport platform is a mode of transport that loads a wide variety of goods of various shapes and sizes into a special box of standard size before transport for the convenience of combined water, land and air transport. It can realize mechanization and standardization of loading and unloading and transportation, and has changed the shortcomings of traditional transportation methods such as many loading and unloading links, high labor intensity, low loading and unloading efficiency, and slow ship turnover. Therefore, it is widely used, and the self-locking device of the container transport platform is also particularly important. Therefore, the present invention proposes a self-locking device for a wheel system of a container transport platform. The purpose of the present invention is to design and manufacture a self-locking device for a container transport platform which has a simple structure, is stable and compact, is easy to operate, has high reliability, and has good versatility. Summary of the invention

[0003] In order to achieve the above-mentioned purpose of the invention, the present invention discloses a braking function of a container transport platform realized by a mechanical control method, which has the remarkable advantages of simple structure, stable and compact, easy operation, high reliability and good versatility.

[0004] The technical solution adopted by the present invention is as follows:

[0005] The present invention discloses a wheel train self-locking device for a container transport platform, comprising: a transport platform, a drive device, and a self-locking device; four sets of the drive devices are symmetrically installed at the bottom of the transport platform, and one set of the self-locking device is installed on the side of the wheel train of each of the four drive devices; the transport platform adopts a frame structure, a steel plate is installed on the surface, a lifting device is installed inside the frame structure, and the drive devices are symmetrically installed at the bottom, the drive device adopts a wheel-side drive mode, and the drive device comprises: a drive motor, a reducer, and a universal wheel; the self-locking device self-locks the universal wheel when the drive device is braked.

[0006] Furthermore, the self-locking device includes: a support seat, a servo motor, a base, a ratchet shaft, a connecting rod II, a connecting rod I, a rubber roller, a ratchet, and a pawl; the support seat is welded from two rectangular steel plates and fixedly installed on the bottom of the frame of the transport platform by bolts, the servo motor adopts a horizontal motor, which is installed on the base by bolts, the base is connected to the bottom end of the horizontally placed steel plate of the support seat by bolts, and the output shaft of the servo motor and the coupling are connected by a flat key to transmit power to the ratchet; the pawl is installed on the side of the support seat through the ratchet shaft, a through hole is processed on the outer edge of the ratchet and fixedly connected to a pin shaft, which is hinged to one end of the connecting rod I through the pin shaft, and the other end of the connecting rod I is fixedly connected to the rubber roller on the outside, and the axis of the rubber roller is parallel to the axis of the universal wheel, the inner side of the other end of the connecting rod I is hinged to one end of the connecting rod II, and the other end of the connecting rod II is hinged to the support seat.

[0007] Furthermore, the support seat, connecting rod II, connecting rod I of the self-locking device are connected with the ratchet to form a crank rocker mechanism, and the servo motor drives the ratchet to rotate. When the ratchet radius is collinear with the connecting rod I, the servo motor is controlled to stop. At this time, the rubber roller is tightly fitted with the universal wheel to achieve friction braking self-locking. At this time, when the ratchet radius is collinear with the connecting rod I and is in a dead point position, the transmission angle of the system is zero, and the pawl prevents the ratchet from reversing, thereby achieving braking self-locking of the drive device.

[0008] Furthermore, it also includes a sensing system. When the container transport platform moves to a specified position or the moving speed of the container transport platform is greater than a set speed, the sensing system sends a signal to enable the self-locking device to start working.

[0009] Furthermore, it also includes a control system, which controls the coordination relationship between various components.

[0010] The container transport platform wheel train self-locking device of the present invention has the following beneficial effects:

[0011] (1) The container transport platform wheel system self-locking device of the present invention has a simple and compact structure, a high degree of automation, convenient operation, low noise, high efficiency, and stable and reliable transmission.

[0012] (2) The container transport platform wheel system self-locking device of the present invention is suitable for parking self-locking of various types of container transport vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an appearance diagram of a self-locking device for a wheel system of a container transport platform according to the present invention;

[0014] Figure 2It is an enlarged view of a self-locking device of a wheel train of a container transport platform of the present invention;

[0015] In the figure: 1-transport platform, 2-driving device, 3-self-locking device, 31-support seat, 32-servo motor, 33-base, 34-ratchet shaft, 35-connecting rod II, 36-connecting rod I, 37-rubber roller, 38-ratchet, 39-pawl. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0017] like Figure 1 , 2 As shown, a container transport platform wheel system self-locking device comprises: a transport platform 1, a driving device 2, and a self-locking device 3; four sets of the driving devices 2 are symmetrically installed at the bottom of the transport platform 1, and one set of the self-locking device 3 is installed on the side of the wheel system of each of the four driving devices 2; the transport platform 1 adopts a frame structure, a steel plate is installed on the surface, a lifting device is installed inside the frame structure, and the driving device 2 is symmetrically installed at the bottom, the driving device 2 adopts a wheel-side driving mode, and the driving device 2 comprises: a driving motor, a reducer, and a universal wheel; the self-locking device 3 self-locks the universal wheel when the driving device 2 is braked; the self-locking device 3 comprises: a support seat 31, a servo motor 32, a base 33, a ratchet shaft 34, a connecting rod II35, a connecting rod I36, a rubber roller 37, a ratchet 38, and a pawl 39; the support seat 31 is welded by two rectangular steel plates The servo motor 32 is a horizontal motor, which is installed on the base 33 by bolts. The base 33 is connected to the bottom of the horizontally placed steel plate of the support seat 31 by bolts. The output shaft of the servo motor 32 and the coupling are connected by a flat key to transmit power to the ratchet 38; the pawl 39 is installed on the side of the support seat 31 through the ratchet shaft 34, and a through hole is processed on the outer edge of the ratchet 38 to be fixedly connected to a pin, which is hinged to one end of the connecting rod I36 through the pin, and the other end of the connecting rod I36 is fixedly connected to the rubber roller 37 on the outside, and the axis of the rubber roller 37 is parallel to the axis of the universal wheel. The other end of the connecting rod I36 is hinged to one end of the connecting rod II35 on the inner side, and the other end of the connecting rod II35 is hinged to the support seat 31.

[0018] like Figure 1 , 2As shown, a specific operating steps of a working method of a wheel system self-locking device for a container transport platform are as follows: the support seat 31, connecting rod II35, connecting rod I36 and ratchet 38 of the self-locking device 3 are connected to form a crank rocker mechanism, and the servo motor 32 drives the ratchet 38 to rotate. When the radius of the ratchet 38 is collinear with the connecting rod I36, the servo motor is controlled to stop. At this time, the rubber roller 37 is tightly fitted with the universal wheel to achieve friction braking self-locking. At this time, when the radius of the ratchet 38 is collinear with the connecting rod I36 and is at a dead point position, the transmission angle of the system is zero, and the pawl 39 prevents the ratchet 38 from reversing, thereby achieving braking self-locking of the drive device 2.

[0019] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking device for a wheel system of a container transport platform, comprising: Transport platform (1), driving device (2), self-locking device (3); Four sets of the driving devices (2) are symmetrically installed at the bottom of the transport platform (1), and a set of the self-locking device (3) is installed on the side of the wheel system of each of the four driving devices (2); the transport platform (1) adopts a frame structure, a steel plate is installed on the surface, a lifting device is installed inside the frame structure, and the driving devices (2) are symmetrically installed at the bottom, the driving devices (2) adopt a wheel-side drive mode, and the driving device (2) includes: a driving motor, a reducer, and a universal wheel; the self-locking device (3) self-locks the universal wheel when the driving device (2) is braked; The self-locking device (3) comprises: a support seat (31), a servo motor (32), a base (33), a ratchet shaft (34), a connecting rod II (35), a connecting rod I (36), a rubber roller (37), a ratchet (38), and a pawl (39); the support seat (31) is welded from two rectangular steel plates and fixedly mounted on the bottom of the frame of the transport platform (1) by bolts; the servo motor (32) is a horizontal motor and is mounted on the base (33) by bolts; the base (33) is connected to the bottom end of the horizontally placed steel plate of the support seat (31) by bolts; the output shaft of the servo motor (32) is connected to the The coupling transmits power to the ratchet (38) through a flat key connection; the ratchet pawl (39) is installed on the side of the support seat (31) through the ratchet shaft (34); a through hole is processed on the outer edge of the ratchet (38) to be fixedly connected to a pin shaft, which is hinged to one end of the connecting rod I (36) through the pin shaft; the outer side of the other end of the connecting rod I (36) is fixedly connected to the rubber roller (37); the axis of the rubber roller (37) is parallel to the axis of the universal wheel; the inner side of the other end of the connecting rod I (36) is hinged to one end of the connecting rod II (35); the other end of the connecting rod II (35) is hinged to the support seat (31); The support seat (31), connecting rod II (35), connecting rod I (36) and ratchet wheel (38) of the self-locking device (3) are connected to form a crank rocker mechanism, and the servo motor (32) drives the ratchet wheel (38) to rotate. When the radius of the ratchet wheel (38) is collinear with the connecting rod I (36), the servo motor is controlled to stop. At this time, the rubber roller (37) is tightly fitted with the universal wheel to achieve friction braking self-locking. At this time, when the radius of the ratchet wheel (38) is collinear with the connecting rod I (36) and is at a dead point position, the transmission angle of the system is zero, and the pawl (39) prevents the ratchet wheel (38) from reversing, thereby achieving braking self-locking of the driving device (2); It also includes a sensing system, when the container transport platform moves to a specified position or the moving speed of the container transport platform is greater than a set speed, the sensing system sends a signal to enable the self-locking device (3) to start working; Also included is a control system, which controls the coordinated relationship between various components.

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