CN210706724U

CN210706724U - Crankshaft type precision rotating caster

Info

Publication number: CN210706724U
Application number: CN201921335858.8U
Authority: CN
Inventors: 陈创福
Original assignee: Yangjiang Jianglong Precision Caster Co Ltd
Current assignee: Yangjiang Jianglong Precision Caster Co Ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-06-09
Anticipated expiration: 2029-08-17

Abstract

The utility model discloses a crankshaft type precise rotation caster, which comprises a wheel, a support leg, a bottom plate and a support plate, wherein the support leg is connected with the lower end of the bottom plate, the lower end of the support leg is connected with the wheel through a bolt component, a crankshaft rotating component is connected between the support plate and the bottom plate, and the crankshaft rotating component comprises a precise gland, a precise bearing, a rotating disc upper plate, a rotating disc lower plate, a rotating crankshaft and a countersunk bolt; the utility model adopts the high-performance mechanical crankshaft principle, plays better shock resistance and steering capacity, utilizes the principle of a rotating crankshaft, effectively improves the rotating part to enable the rotating part to be more sensitive, can play more effective steering sensitivity in the AGV field, and improves the efficiency of wheels; when the wheels collide, the wheels rotating the crankshafts can play a role in assisting steering, and unnecessary damage caused by collision of the caster wheels is effectively reduced.

Description

Crankshaft type precision rotating caster

Technical Field

The utility model relates to a truckle technical field specifically is a bent axle type precision rotation truckle.

Background

The caster is a general term and comprises a movable caster and a fixed caster. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm. The fixed caster has no rotating structure and can not rotate. Generally, two types of casters are used in combination, for example, a cart has a structure with two fixed wheels at the front side and two universal wheels at the rear side near the pushing handrail. The caster has various materials, such as cast iron wheel, nylon wheel, etc.

The truckle in current AGV field single structure, shock resistance, the ability of turning to remain to promote, because the upper end structure is fixed can produce wearing and tearing when the truckle collides, for this reason, we propose a bent axle type precision rotation truckle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bent axle type precision rotation truckle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crankshaft type precision rotation caster comprises wheels, supporting legs, a bottom plate and a supporting plate, wherein the supporting legs are connected to the lower end of the bottom plate, the lower end of the supporting legs is connected with the wheels through a bolt assembly, a crankshaft rotation assembly is connected between the supporting plate and the bottom plate and comprises a precision gland, a precision bearing, a rotating disc upper disc, a rotating disc lower disc, a rotary crankshaft and a countersunk bolt, the precision gland is arranged in two groups, one group is that the precision gland is connected to the middle part of the upper end of the supporting plate, the other group is that the precision gland is connected to the middle part of the upper disc, the precision gland is in threaded connection with the middle part of the upper end of the bottom plate, the precision bearing is arranged in two groups, one group is connected to the lower end of the rotating disc lower disc and is located at the upper end of the precision gland, the other group is connected to, the countersunk head bolt is eight sets of settings, four sets of countersunk head bolt equidistance is connected in the backup pad on, and the lower extreme runs through in the backup pad and is connected to the rolling disc hanging wall, four sets of in addition countersunk head bolt is connected on the rolling disc lower wall, and the lower extreme runs through on the rolling disc lower wall is connected to the bottom plate.

As a further optimization of the technical scheme, the bolt assembly comprises a bolt and a nut, the bolt penetrates through shaft holes of the wheels and the supporting legs, and the nut is screwed on one end of the bolt.

As a further optimization of the technical scheme, shaft holes for connecting the rotating crankshaft are formed in the middle of the upper rotating disc and the lower rotating disc.

As a further optimization of the technical scheme, the bottom plate is fixedly connected with the supporting legs through welding.

As a further optimization of the technical scheme, the lower ends of the upper rotating disc and the lower rotating disc are provided with cavities.

As a further optimization of the technical scheme, a bearing is connected in the shaft hole of the wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the high-performance mechanical crankshaft principle, plays better shock resistance and steering capacity, utilizes the principle of a rotating crankshaft, and adds precise general assemblies such as a precise gland, a precise bearing, a rotating disc upper disc, a rotating disc lower disc and the like, thereby effectively improving the rotating part to enable the rotating part to be more sensitive, playing more effective steering sensitivity in the AGV field and improving the efficiency of wheels; when the wheels collide, the wheels rotating the crankshafts can play a role in assisting steering, and unnecessary damage caused by collision of the caster wheels is effectively reduced.

Drawings

FIG. 1 is a schematic view of the internal structure of the precision bearing of the present invention;

FIG. 2 is a schematic view of the structure of the installation position of the crankshaft of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the structure of the wheel of the present invention.

In the figure: 14. a wheel; 2. rotating the disc upper plate; 3. rotating the lower disc; 4. a base plate; 5. a precision bearing; 6. rotating the crankshaft; 8. a countersunk bolt; 9. precision pressing; 10. a bearing; 11. a bolt assembly; 12. supporting legs; 13. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a crankshaft type precision rotation caster comprises wheels 14, supporting legs 12, a bottom plate 4 and a supporting plate 13, wherein the supporting legs 12 are connected to the lower end of the bottom plate 4, the lower end of the supporting legs 12 is connected with the wheels 14 through a bolt component 11, a crankshaft rotating component is connected between the supporting plate 13 and the bottom plate 4 and comprises precision glands 9, precision bearings 5, a rotating disc upper disc 2, a rotating disc lower disc 3, a rotating crankshaft 6 and countersunk bolts 8, the precision glands 9 are arranged in two groups, one group is that the precision glands 9 are connected to the upper end middle part of the supporting plate 13, the other group is that the precision glands 9 are in threaded connection to the upper end middle part of the bottom plate 4, the precision bearings 5 are arranged in two groups, one group of the precision bearings 5 is connected to the lower end of the rotating disc lower disc 3 and is located at the upper end of the precision glands 9, the other group of the precision bearings 5 is connected to the, rotating crankshaft 6 is connected between rolling disc upper plate 2 and rolling disc lower plate 3, countersunk head bolt 8 is eight sets of settings, four sets of countersunk head bolt 8 equidistance is connected in backup pad 13, and the lower extreme runs through and is connected to on the rolling disc upper plate 2 in backup pad 13, four sets of in addition countersunk head bolt 8 is connected on rolling disc lower plate 3, and the lower extreme runs through on rolling disc lower plate 3 is connected to bottom plate 4.

Specifically, the bolt assembly 11 includes a bolt and a nut, the bolt penetrates through the axle holes of the wheel 14 and the supporting leg 12, and the nut is screwed on one end of the bolt.

Specifically, shaft holes for connecting a rotating crankshaft 6 are formed in the middle of the upper rotating disc 2 and the lower rotating disc 3.

Specifically, the bottom plate 4 is fixedly connected with the supporting legs 12 through welding.

Specifically, the lower ends of the upper rotating disc 2 and the lower rotating disc 3 are respectively provided with a cavity.

Specifically, the bearing 10 is further connected to the axle hole of the wheel 14.

Specifically, when the device is used, the principle of a high-performance mechanical crankshaft is adopted, better impact resistance and steering capacity are achieved, the principle of a rotating crankshaft 6 is utilized, and the precise assembly of a precise gland 9, a precise bearing 5, an upper rotating disc 2, a lower rotating disc 3 and the like is added, so that the rotating part is effectively improved, the rotating part is more sensitive, more effective steering sensitivity can be achieved in the AGV field, and the efficiency of the wheels 14 is improved; when the wheels 14 collide, the wheels 14 rotating the crankshafts 6 can play a role in assisting steering, and unnecessary damage of the caster caused by collision is effectively reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision rotation truckle of bent axle type, includes wheel (14), supporting legs (12), bottom plate (4), backup pad (13), the lower extreme in bottom plate (4) is connected in supporting legs (12), the lower extreme of supporting legs (12) is connected with wheel (14), its characterized in that through bolt assembly (11): a crankshaft rotating assembly is connected between the supporting plate (13) and the bottom plate (4), the crankshaft rotating assembly comprises a precision gland (9), a precision bearing (5), a rotating disc upper disc (2), a rotating disc lower disc (3), a rotating crankshaft (6) and a countersunk bolt (8), the precision gland (9) is arranged in two groups, one group is that the precision gland (9) is connected to the middle part of the upper end of the supporting plate (13), the other group is that the precision gland (9) is connected to the middle part of the upper end of the bottom plate (4) in a threaded manner, the precision bearing (5) is arranged in two groups, one group is that the precision bearing (5) is connected to the lower end of the rotating disc lower disc (3) and is positioned at the upper end of the precision gland (9), the other group is that the precision bearing (5) is connected to the middle part of the rotating disc upper disc (2) and is positioned at the lower end of the supporting plate (13), the rotating crankshaft (6) is, countersunk head bolt (8) are eight sets of settings, four groups countersunk head bolt (8) equidistance is connected on backup pad (13), and the lower extreme runs through in backup pad (13) and is connected to on rolling disc hanging wall (2), four groups in addition countersunk head bolt (8) are connected on rolling disc undercarriage (3), and the lower extreme runs through on rolling disc undercarriage (3) is connected to bottom plate (4).

2. The crankshaft type precision swivel caster according to claim 1, wherein: the bolt assembly (11) comprises a bolt and a nut, the bolt penetrates through shaft holes of the wheels (14) and the supporting legs (12), and the nut is screwed on one end of the bolt.

3. The crankshaft type precision swivel caster according to claim 1, wherein: and shaft holes used for connecting a rotary crankshaft (6) are formed in the middle parts of the upper rotating disc (2) and the lower rotating disc (3).

4. The crankshaft type precision swivel caster according to claim 1, wherein: the bottom plate (4) is fixedly connected with the supporting legs (12) through welding.

5. The crankshaft type precision swivel caster according to claim 1, wherein: the lower ends of the upper rotating disc (2) and the lower rotating disc (3) are provided with cavities.

6. The crankshaft type precision swivel caster according to claim 1, wherein: and a bearing (10) is also connected in the shaft hole of the wheel (14).