CN218085709U

CN218085709U - Automatic steering structure

Info

Publication number: CN218085709U
Application number: CN202222680079.XU
Authority: CN
Inventors: 孙国忠; 杨建伟; 王福豪; 叶阳光
Original assignee: Hangzhou Haosheng Electric Vehicles Co ltd
Current assignee: Hangzhou Haosheng Electric Vehicles Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-20
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the technical field of the technique of directive wheel and specifically relates to an automatic turn to structure is related to, and it includes frame, actuating mechanism, wheelset and wheel carrier, actuating mechanism install in the frame, actuating mechanism is used for the drive the wheelset winds the center level of frame rotates, the wheelset install in the wheel carrier, the wheel carrier with the frame rotates and connects, the wheelset includes a plurality of pulleys, the wheel carrier is provided with the baffle, the baffle is located adjacently between the pulley. This application has the steering ability that improves the carrier wheelset, increases the effect of the delivery efficiency of carrier.

Description

Automatic steering structure

Technical Field

The application relates to the technical field of steering wheels, in particular to an automatic steering structure.

Background

Along with the development of commodity circulation trade, AGV carrier wide application is in warehouse commodity circulation transport field. The AGV carriers automatically transport articles to designated places through special landmark navigation, and the background control system controls each AGV carrier to select the optimal path from a complex line, so that the transport cost and time are greatly saved.

The drive wheel sets of a typical AGV cart often have one set of diagonal drive wheels and one set of diagonal driven wheels. When the AGV carrier obtains the command of turning to the motion, the driving wheel drives the AGV carrier to turn to the motion, and the driven wheel follows the driving wheel and does the motion that turns to.

In order to increase AGV carrier carrying capacity, can increase the quantity of bottom wheelset, but along with the increase of wheelset quantity, the frictional force of wheelset and ground can increase, need very big power of turning to just can overcome frictional force when turning to from the driving wheel, leads to the inconvenient gyration of wheelset from the driving wheel to influence AGV carrier's carrying efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve the carrier from the steering capacity of the wheelset of driving wheel, increase the carrying efficiency of AGV carrier, this application provides an automatic structure that turns to.

The application provides an automatic steering structure adopts following technical scheme:

the utility model provides an automatic steering structure, its includes frame, actuating mechanism, wheelset and wheel carrier, actuating mechanism install in the frame, actuating mechanism is used for the drive the wheelset winds the center level of frame rotates, the wheelset install in the wheel carrier, the wheel carrier with the frame rotates and is connected, the wheelset includes a plurality of pulleys, the wheel carrier is provided with the baffle, the baffle is located adjacently between the pulley.

By adopting the technical scheme, the driving mechanism drives the pulley to horizontally rotate around the center of the rack, so that the steering function is realized. In the process, the partition plates can separate the pulleys, so that the pulleys are reduced, the excessive torque is considered, the mutual interference occurs, and the structural strength of the wheel frame is also improved. The pulley rotation in situ realizes the function of quick turning, can overcome enough large friction, increases the steering capacity of the driven wheel, and improves the carrying efficiency of the AGV carrier.

Optionally, the wheelset is provided with the multiunit, the wheel carrier is provided with the axis of rotation, the axis of rotation runs through a plurality of the wheelset, the pulley with the wheel carrier all with the axis of rotation is rotated and is connected, the both ends of axis of rotation pass through the fastener with the wheel carrier can be dismantled and be connected.

Through adopting above-mentioned technical scheme, the bearing capacity of directive wheel can be increased to the multiunit wheelset, and the rotation between a plurality of pulleys can be guaranteed to the axis of rotation and is connected, and the convenient change and the maintenance to the wheelset can be dismantled with the wheel carrier to the axis of rotation.

Optionally, the wheel carrier is further provided with support plates, the support plates are located on two sides of the wheel set, and the thickness of each support plate is not less than that of the partition plate.

By adopting the technical scheme, the connecting strength between the wheel carrier and the rotating shaft can be increased by the supporting plate, the bearing capacity of the wheel carrier is increased, the thickness of the partition plate is small, the effect of separating adjacent pulleys by the partition plate can be ensured, meanwhile, the material consumption can be reduced, and the self weight of the wheel carrier is reduced.

Optionally, gaskets are arranged on two sides of the pulley.

Through adopting above-mentioned technical scheme, when turning, the pulley receives great moment of torsion, takes place the slope easily, and the gasket can reduce the effort between pulley and the baffle, plays the effect of buffering.

Optionally, the driving mechanism includes a motor, a driving gear and a driven gear, the motor is mounted on the frame, a conveying shaft of the motor is connected to the driving gear, the driving gear and the driven gear are in mesh transmission, and the driven gear is connected to the wheel carrier.

Through adopting above-mentioned technical scheme, the motor drives drive gear and rotates, and drive gear drives driven gear and rotates, and driven gear drives the wheel carrier and rotates to realize the rotation of whole directive wheel.

Optionally, one side that the wheel carrier was kept away from the wheelset is provided with the connecting plate, the frame is close to one side of driven gear is provided with the bearing, driven gear cover is located the bearing, the bearing joint in driven gear with between the frame.

Through adopting above-mentioned technical scheme, the connecting plate can increase the joint strength between wheel carrier and the driven gear, and the bearing not only plays limiting displacement to driven gear, and the bearing can make frame and driven gear take place relative rotation moreover.

Optionally, a buffer pad is arranged between the bearing and the connecting plate.

Through adopting above-mentioned technical scheme, when the road surface unevenness, pulley and wheel carrier can take place the shake, and when the effort of shake conducts to the blotter, the blotter can offset the effort, makes the frame more steady, increases the stability of directive wheel.

Optionally, the driving mechanism includes a motor, a worm wheel and a worm, the motor is mounted on the frame, an output shaft of the motor is connected with the worm, the worm wheel and the worm are in mesh transmission, and the worm wheel is connected with the wheel carrier.

By adopting the technical scheme, the motor drives the worm to rotate, the worm and the worm wheel are meshed for transmission, and the worm wheel drives the wheel carrier to rotate, so that the pulley rotates. The motor, the worm and the worm wheel are in a horizontal state, the bearing space of the rack can be saved, the worm and the worm wheel have a self-locking effect, and the stability of the pulley can be improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the partition plates, the supporting plates and the gaskets can ensure independent rotation among the pulleys, so that the condition of interference among the adjacent pulleys is avoided;

2. the buffer cushion can buffer the shaking of the wheel carrier, thereby increasing the stability of the frame;

3. the bearing can make frame and driven gear take place relative rotation, and the connecting plate can increase the joint strength between wheel carrier and the driven gear.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is an exploded view of the first embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of the overall structure of the first embodiment of the present application;

fig. 4 is a schematic overall structure diagram of the second embodiment of the present application.

Description of the reference numerals: 1. a frame; 11. mounting a plate; 2. a steering mechanism; 21. a wheel set; 211. a pulley; 212. a gasket; 22. a wheel carrier; 221. a base plate; 222. a support plate; 223. a partition plate; 224. a rotating shaft; 225. a connecting plate; 3. a drive mechanism; 31. a motor; 32. a speed reducer; 33. a drive gear; 34. a driven gear; 341. a bearing; 36. a worm; 37. a worm gear; 4. a cushion pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an automatic steering structure, and with reference to fig. 1, the automatic steering structure comprises a rack 1, a steering mechanism 2 and a driving mechanism 3. The frame 1 is disc-shaped, the frame 1 is connected with the bottom of the carrier, the steering mechanism 2 is installed on the frame 1, and the steering mechanism 2 is connected with the driving mechanism 3. A driving mechanism 3 is arranged on the frame 1, and the driving mechanism 3 is used for driving the steering mechanism 2 to steer

Referring to fig. 1 and 2, the steering mechanism 2 includes a wheel set 21 and a wheel carrier 22, the wheel set 21 is provided with a plurality of sets along the radial direction of the frame 1, in this embodiment, two sets are taken as an example, and the wheel carrier 22 is rotatably connected with the wheel set 21.

Referring to fig. 2 and 3, the wheel frame 22 includes a bottom plate 221, a support plate 222, a partition 223 and a rotating shaft 224, the bottom plate 221 is disc-shaped, the bottom plate 221 is horizontally disposed, the support plate 222 is vertically disposed, the bottom plate 221 is fixedly connected with the support plate 222, three sets of the support plates 222 are radially disposed along the bottom plate 221, and two adjacent support plates 222 are located at two sides of the wheel set 21. Each set of wheels 21 includes two pulleys 211 and four spacers 212, and each pulley 211 has two spacers 212 on each side. The pulleys 211 are arranged at intervals along the radial direction of the bottom plate 221, the partition 223 is positioned between the adjacent pulleys 211, and the top of the partition 223 is fixedly connected with the bottom plate 221. In order to ensure the bearing capacity of the wheel frame 22, save materials and reduce the self weight of the wheel frame 22, the thickness of the partition plate 223 is not larger than that of the support plate 222. The rotation shaft 224 passes through the support plate 222, the partition 223 and the pulley 211, and both ends of the rotation shaft 224 are detachably coupled to the support plate 222 by fasteners.

Referring to fig. 2 and 3, the driving mechanism 3 includes a motor 31, a reducer 32, a driving gear 33, and a driven gear 34, the reducer 32 is mounted to the frame 1, the motor 31 is mounted to the reducer 32, an output shaft of the motor 31 is connected to the reducer 32, and an output shaft of the reducer 32 is connected to the driving gear 33. The driving gear 33 and the driven gear 34 are both positioned between the stander 1 and the wheel carrier 22, and the driving gear 33 and the driven gear 34 are in meshed transmission with each other. The driven gear 34 is provided with a bearing 341, and the driven gear 34 is sleeved on the bearing 341. The driven gear 34 is also provided coaxially with a connection ring 342, and the connection ring 342 is detachably connected to the housing 1 by a fastener. The bearing 341 is clamped between the driven gear 34 and the connection ring 342 by a stamping method, and the inner side and the outer side of the bearing 341 are in interference fit with the driven gear 34 and the connection ring 342 respectively.

Referring to fig. 2 and 3, in order to increase the connection between the wheel carrier 22 and the driven gear 34, the wheel carrier 22 is further provided with a connecting plate 225, the connecting plate 225 is located between the driven gear 34 and the bottom plate 221, and the connecting plate 225, the bottom plate 221 and the driven gear 34 are connected by fasteners. The connecting plate 225 is provided with a cushion pad 4 on one side close to the driven gear 34, the cushion pad 4 can be an elastic rubber pad, and the cushion pad 4 is abutted against the bearing 341.

The implementation principle of the embodiment is as follows:

the motor 31 is started, the motor 31 drives the driving gear 33 to rotate after being decelerated by the decelerator 32, the driving gear 33 is in meshed transmission with the driven gear 34, the driven gear 34 drives the connecting plate 225 and the wheel frame 22 to rotate around the center of the rack 1, and the pulley 211 rotates along with the wheel frame 22, so that the carrier is steered.

During the rotation of the pulley 211, the pulley 211 can be subjected to a large torque and acts on the wheel frame 22, the support plate 222 and the partition 223 can enhance the structural strength of the wheel frame 22, and the spacers 212 on both sides of the pulley 211 can increase the buffering effect for the pulley 211 and reduce the friction damage between the pulley 211 and the support plate 222.

When the road surface is uneven, the pulley 211 and the wheel frame 22 may shake, and the cushion pad 4 may counteract the shake, thereby ensuring the stability of the frame 1.

Example two

The present embodiment differs from the embodiment in that: the driving mechanism 3 comprises a motor 31, a speed reducer 32, a worm 36 and a worm wheel 37, and the frame 1 is a square plate.

Referring to fig. 4, the motor 31 is mounted to the reducer 32, the mounting plate 11 is disposed on one side of the frame 1, the reducer 32 is mounted to the mounting plate 11, an output shaft of the reducer 32 is connected to the worm 36, the worm 36 is engaged with the worm wheel 37, and the worm wheel 37 is rotatably connected to the bearing 341. Wherein, the motor 31, the reducer 32 and the worm 36 are all coaxially and horizontally arranged.

The implementation principle of the embodiment is as follows:

the motor 31 is decelerated by the decelerator 32 to drive the worm 36 to rotate, the worm 36 drives the worm wheel 37 to rotate, and the worm wheel 37 drives the pulley 211 to rotate, thereby completing the steering function. The motor 31, the reducer 32 and the worm 36 are coaxially connected to increase the space above the frame 1, and the worm wheel 37 and the worm 36 are matched to have a self-locking effect to increase the stability of the pulley 211.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic turn to structure which characterized in that: including frame (1), actuating mechanism (3), wheelset (21) and wheel carrier (22), actuating mechanism (3) install in on frame (1), actuating mechanism (3) are used for the drive wheelset (21) wind frame (1) center level rotates, wheelset (21) install in wheel carrier (22), wheel carrier (22) with frame (1) rotates and is connected, wheelset (21) include a plurality of pulleys (211), wheel carrier (22) are provided with baffle (223), baffle (223) are located adjacently between pulley (211).

2. An automatic steering structure according to claim 1, wherein: wheelset (21) are provided with the multiunit, wheel carrier (22) are provided with axis of rotation (224), axis of rotation (224) run through a plurality ofly wheelset (21), pulley (211) with wheel carrier (22) all with axis of rotation (224) rotate to be connected, the both ends of axis of rotation (224) pass through the fastener with wheel carrier (22) can be dismantled and be connected.

3. An automatic steering structure according to claim 1, characterized in that: the wheel carrier (22) is further provided with supporting plates (222), the supporting plates (222) are located on two sides of the wheel set (21), and the thickness of the supporting plates (222) is not smaller than that of the partition plates (223).

4. An automatic steering structure according to claim 1, characterized in that: and gaskets (212) are arranged on two sides of the pulley (211).

5. An automatic steering structure according to claim 1, characterized in that: the driving mechanism (3) comprises a motor (31), a driving gear (33) and a driven gear (34), the motor (31) is installed on the rack (1), a conveying shaft of the motor (31) is connected with the driving gear (33), the driving gear (33) and the driven gear (34) are in meshed transmission, and the driven gear (34) is connected with the wheel carrier (22).

6. An automatic steering structure according to claim 5, wherein: one side of the wheel carrier (22) far away from the wheel set (21) is provided with a connecting plate (225), one side of the rack (1) close to the driven gear (34) is provided with a bearing (341), the driven gear (34) is sleeved on the bearing (341), and the bearing (341) is clamped between the driven gear (34) and the rack (1).

7. An automatic steering structure according to claim 6, wherein: a buffer pad (4) is arranged between the bearing (341) and the connecting plate (225).

8. An automatic steering structure according to claim 1, characterized in that: the driving mechanism (3) comprises a motor (31), a worm wheel (37) and a worm (36), the motor (31) is installed on the rack (1), an output shaft of the motor (31) is connected with the worm (36), the worm wheel (37) and the worm (36) are in meshed transmission, and the worm wheel (37) is connected with the wheel carrier (22).