CN217259403U

CN217259403U - Steering wheel that minizone turned to

Info

Publication number: CN217259403U
Application number: CN202220938366.3U
Authority: CN
Inventors: 李坤; 王飞; 张亚洲
Original assignee: Wuxi A Carrier Robot Co ltd
Current assignee: Yunlai Intelligent Equipment Wuxi Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-23
Anticipated expiration: 2032-04-21

Abstract

A steering wheel capable of steering in a small range comprises a tire support, a brake drum and a tire, wherein the tire support comprises an upper disk rack and a lower connecting rack, the upper disk rack is fixedly connected with the lower connecting rack, the brake drum is arranged on the lower connecting rack of the tire support, the tire is arranged on the brake drum, the upper part of the upper disk rack is connected with a slewing bearing, the slewing bearing is arranged at the edge position of the upper disk rack along the circumferential direction of the upper disk rack, a limiting block is arranged above the upper disk rack, the limiting block is fixedly arranged at the central position of the upper disk rack, a slewing bearing mounting plate is fixedly arranged at the upper part of the slewing bearing, a rack mounting plate is arranged above the slewing bearing mounting plate, a limiting clamping groove block and two mechanical stop block groups are arranged between the slewing bearing mounting plate and the rack mounting plate, each mechanical stop block group comprises three mechanical stop blocks which are sequentially arranged at intervals, and a linear guide rail is arranged between every two adjacent mechanical stops in the three mechanical stops arranged at intervals in sequence.

Description

Steering wheel that minizone turned to

Technical Field

The utility model relates to a AGV technical field especially relates to a directive wheel that minizone turned to.

Background

Auxiliary wheels of heavy AGV carts on the market today are basically directional casters or 360 degree rotating universal casters. However, under the conditions of heavy load and more auxiliary wheels, when the switching of moving forward, moving backward and turning is realized, if universal casters are used, the stability of the AGV trolley is reduced, and the AGV trolley is easy to swing; if directional casters are used, the AGV car cannot make a turn.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a steering wheel capable of steering in a small range.

The utility model adopts the technical proposal that: a steering wheel capable of steering in a small range comprises a tire support, a brake drum and a tire, wherein the tire support comprises an upper disk frame and a lower connecting frame, the upper disk frame is fixedly connected with the lower connecting frame, the brake drum is arranged on the lower connecting frame of the tire support, the tire is arranged on the brake drum, the upper part of the upper disk frame is connected with a slewing bearing, the slewing bearing is arranged at the edge position of the upper disk frame along the circumferential direction of the upper disk frame, the slewing bearing is coaxially arranged with the upper disk frame, a limiting block is arranged above the upper disk frame, the limiting block is fixedly arranged at the central position of the upper disk frame, a slewing bearing mounting plate is fixedly arranged at the upper part of the slewing bearing, a rack mounting plate is arranged above the slewing bearing mounting plate, and a limiting clamping groove block and two groups of mechanical blocking block groups are arranged between the slewing bearing mounting plate and the rack mounting plate, slewing bearing mounting panel center department is provided with the centre bore, and two sets of mechanical dog group symmetries set up in the centre bore both sides, and every mechanical dog group of group includes the three mechanical dog that sets up in proper order the interval, all be provided with a linear guide between two adjacent mechanical dogs in the three mechanical dog that sets up in proper order the interval, mechanical dog and slewing bearing mounting panel fixed connection, linear guide installs on the slewing bearing mounting panel, and linear guide's both ends respectively with rather than the mechanical dog fixed connection who is close to, spacing draw-in groove piece fixed mounting is provided with on the spacing draw-in groove piece and is used for carrying out spacing limiting clamping groove to the stopper, and limiting clamping groove is the Y style of calligraphy, the stopper is worn to establish in limiting clamping groove after wearing to establish through the centre bore, frame mounting panel and linear guide's slider fixed connection.

The slewing bearing mounting plate is fixedly connected with the slewing bearing through a plurality of slewing bearing mounting bolts.

The limiting clamping groove blocks are fixedly connected with the rack mounting plate through a plurality of limiting clamping groove block mounting bolts.

The rack mounting plate is fixedly connected with the linear guide rail through a plurality of slider mounting bolts.

Compared with the prior art, the utility model discloses following beneficial effect has: a directive wheel that minizone turned to, it is more stable during the removal, it is very convenient to turn, and make and use the utility model discloses a AGV dolly stability strengthens, is difficult for the swing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic top view of the linear motion of the present invention;

FIG. 4 is a schematic front view of the structure of FIG. 3;

fig. 5 is a schematic top view of the linear motion of the present invention;

FIG. 6 is a schematic front view of the structure of FIG. 5;

fig. 7 is a schematic view of the top view structure of the present invention during turning;

fig. 8 is a front view schematically illustrating the structure of fig. 7.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 8, a steering wheel capable of steering in a small range includes a tire support 111, a brake drum 112 and a tire 113, the tire support 111 includes an upper disk rack and a lower connection rack, the upper disk rack is fixedly connected with the lower connection rack, the brake drum 112 is mounted on the lower connection rack of the tire support 111, the tire 113 is mounted on the brake drum 112, the upper part of the upper disk rack is connected with a slewing bearing 109, the slewing bearing 109 is arranged at the edge position of the upper disk rack along the circumferential direction of the upper disk rack, the slewing bearing 109 is coaxially arranged with the upper disk rack, a limit block 110 is arranged above the upper disk rack, the limit block 110 is fixedly arranged at the center position of the upper disk rack, a slewing bearing mounting plate 108 is fixedly mounted at the upper part of the slewing bearing 109, a rack mounting plate 103 is arranged above the slewing bearing mounting plate 108, a limit slot block 104 and two mechanical block sets are arranged between the slewing bearing mounting plate 108 and the rack mounting plate 103 The center of the slewing bearing mounting plate 108 is provided with a center hole 114, two groups of mechanical stop blocks are symmetrically arranged at two sides of the center hole 114, each group of mechanical stop blocks comprises three mechanical stop blocks 107 which are sequentially arranged at intervals, a linear guide rail 106 is arranged between two adjacent mechanical stops 107 of the three mechanical stops 107 which are arranged at intervals in sequence, the mechanical block 107 is fixedly connected with a rotary bearing mounting plate 108, the linear guide rail 106 is mounted on the rotary bearing mounting plate 108, and the two ends of the linear guide rail 106 are respectively fixedly connected with the mechanical stop 107 close to the linear guide rail, the limiting clamping groove block 104 is fixedly arranged on the frame mounting plate 103, a limiting clamping groove for limiting the limiting block 110 is arranged on the limiting clamping groove block 104, the limiting clamping groove is Y-shaped, the limiting block 110 penetrates through the central hole 114 and then penetrates through the limiting clamping groove, and the rack mounting plate 103 is fixedly connected with the sliding block of the linear guide rail 106.

The slewing bearing mounting plate 108 is fixedly connected to a slewing bearing 109 by a plurality of slewing bearing mounting bolts 105.

The limiting clamping groove block 104 is fixedly connected with the rack mounting plate 103 through a plurality of limiting clamping groove block mounting bolts 101.

The rack mounting plate 103 is fixedly connected with the slide block of the linear guide rail 106 through a plurality of slide block mounting bolts 102.

The mechanical stop 107 is used to block the slide of the linear guide 106 and prevent the slide from moving to the extreme position.

The limiting block 110 comprises a first block, a second block and a third block which are fixedly connected in sequence, wherein the cross section of the first block is semicircular, the cross section of the second block is isosceles trapezoid, and the cross section of the third block is square; the limiting clamping groove comprises a straight groove and two oblique grooves symmetrically arranged on two sides of the straight groove, and the straight groove is communicated with the two oblique grooves.

The one end that the second piece is located isosceles trapezoid's parallel minor face place is located one end fixed connection at semicircular diameter place with first piece, and the one end that the second piece is located isosceles trapezoid's parallel long limit place is fixed connection with the third piece.

The first block is matched with the straight groove, penetrates through the straight groove and can move along the straight groove. The two ends of the third block are respectively arranged in the two oblique grooves. The V-shaped groove is formed at the position where the inclined edge of the second block is connected with the first block. The joint of the straight groove and the inclined groove on the limiting clamping groove block 104 forms a convex block matched with the V-shaped groove, and the V-shaped groove can rotate around the convex block.

When the utility model moves forward in a straight line, the first block of the limiting block 110 is separated from the straight groove of the limiting clamping groove block 104, and the rotary bearing 109 and the tire 113 are eccentrically arranged, so that the AGV trolley can stably move forward; when the utility model moves back linearly, the first block of the limiting block 110 enters the straight groove of the limiting clamping groove block 104 and is pressed against the groove wall of the straight groove, so that the tire 113 can not rotate and can stably move back; the utility model discloses when turning by advancing, the first piece of stopper 110 breaks away from in the straight groove of spacing draw-in groove piece 104 to make V word form groove rotate around the lug under the combined action of the frictional force of tire 113 and slewing bearing 109, the third piece supports on the cell wall in slant groove when rotating extreme state, thereby realizes steady turning.

The above embodiments are based on the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the scope of the present invention is not limited to the above embodiments.

Claims

1. The utility model provides a directive wheel that minizone turned to, includes tire support, brake drum and tire, and the tire support includes upper portion disc frame and lower link, upper portion disc frame and lower link fixed connection, and the brake drum is installed on the lower link of tire support, and the tire is installed on the brake drum, the upper portion of upper portion disc frame is connected with slewing bearing, slewing bearing sets up the border position department at upper portion disc frame along the circumferencial direction of upper portion disc frame, and slewing bearing sets up its characterized in that with upper portion disc frame is coaxial: the upper part of the upper disc frame is provided with a limiting block which is fixedly arranged at the central position of the upper disc frame, the upper part of the slewing bearing is fixedly provided with a slewing bearing mounting plate, a frame mounting plate is arranged above the slewing bearing mounting plate, a limiting clamping groove block and two groups of mechanical baffle groups are arranged between the slewing bearing mounting plate and the frame mounting plate, the central position of the slewing bearing mounting plate is provided with a central hole, the two groups of mechanical baffle groups are symmetrically arranged at two sides of the central hole, each group of mechanical baffle groups comprises three mechanical baffle blocks which are sequentially arranged at intervals, a linear guide rail is arranged between two adjacent mechanical baffle blocks in the three mechanical baffle blocks which are sequentially arranged at intervals, the mechanical baffle blocks are fixedly connected with the slewing bearing mounting plate, the linear guide rails are arranged on the slewing bearing mounting plate, and the two ends of the linear guide rails are respectively and fixedly connected with the mechanical baffle blocks which are close to the linear guide rails, spacing draw-in groove piece fixed mounting is provided with on the spacing draw-in groove piece and is used for carrying on spacing draw-in groove to the stopper on the frame mounting panel, and spacing draw-in groove is the Y style of calligraphy, the stopper is worn to establish after the centre bore and is worn to establish in spacing draw-in groove, frame mounting panel and linear guide's slider fixed connection.

2. A steerable wheel that steers a small range of directions according to claim 1, characterized in that: the slewing bearing mounting plate is fixedly connected with the slewing bearing through a plurality of slewing bearing mounting bolts.

3. A steerable wheel that steers a small range of directions as set forth in claim 1, wherein: the limiting clamping groove blocks are fixedly connected with the rack mounting plate through a plurality of limiting clamping groove block mounting bolts.

4. A steerable wheel that steers a small range of directions according to claim 1, characterized in that: the rack mounting plate is fixedly connected with the slide block of the linear guide rail through a plurality of slide block mounting bolts.