CN217331599U

CN217331599U - Caster rotating shaft smoothness detection mechanism

Info

Publication number: CN217331599U
Application number: CN202221341775.1U
Authority: CN
Inventors: 杜送军; 刘亚宏
Original assignee: Zhongshan Deguo Automation Technology Co ltd
Current assignee: Zhongshan Deguo Automation Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-30
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a mechanism for detecting the smoothness of a rotating shaft of a caster, which comprises a fixed frame; the clamping device is arranged on the fixed frame and used for clamping the wheel carrier of the caster; the motor is arranged on the fixed frame, the output shaft of the motor is provided with a latch which can extend into a locking groove on the locking disc, the motor can drive the locking disc, the rotating shaft and the mounting frame to rotate relative to the wheel carrier, and the difference between the torque of the motor during rotation and a reference value is detected to judge whether the rotating shaft of the caster is smooth or not; the locking groove on the locking disc is utilized to drive the locking disc, the rotating shaft and the mounting frame to rotate relative to the wheel carrier, so that the slipping phenomenon can be avoided, the accuracy of a detection result can be improved, the detection efficiency can be improved, and the practicability is very good.

Description

Caster rotating shaft smoothness detection mechanism

Technical Field

The utility model relates to a truckle field, in particular to truckle pivot smooth and easy degree detection mechanism.

Background

The caster wheels are a general name and comprise movable caster wheels, fixed caster wheels, movable caster wheels with brakes and the like, and the caster wheels are widely applied to machine equipment and can enable heavy machine equipment to move very conveniently; particularly, the caster wheel with the locking function generally comprises a wheel body, a wheel carrier, an installation frame, a locking plate and a locking sheet, wherein the locking plate is connected with the wheel carrier and the installation frame through a rotating shaft, the locking sheet is installed on the wheel carrier, and when the locking is needed, the locking sheet is stepped down and is clamped into the locking plate, so that the locking can be realized; this kind of truckle need test the rotation smoothness degree of its pivot at the in-process of production, and current detection mechanism is all through the wheel carrier that snatchs the truckle, then drives the wheel carrier rotation and detects, and this kind of detection mechanism makes easily to snatch the phenomenon that takes place to skid between mechanism and the wheel carrier, causes great influence to the testing result, consequently, the smooth and easy degree detection mechanism of a novel truckle pivot of urgent need solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a smooth and easy degree detection mechanism of truckle pivot.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a caster wheel shaft smoothness degree detection mechanism, includes:

a fixed mount;

the clamping device is arranged on the fixed frame and used for clamping the wheel carrier of the caster;

the motor sets up on the mount, is provided with the latch that can stretch into the locking inslot on the locking dish on its output shaft, and the motor can drive the relative wheel carrier rotation of locking dish, pivot and mounting bracket, detects the difference between the moment of torsion and the benchmark value of motor when rotating to judge whether smooth and easy the truckle pivot.

Furthermore, the clamping device comprises a first clamping component and a second clamping component which are respectively arranged on two sides of the wheel frame, and the first clamping component and the second clamping component are respectively abutted against two sides of the wheel frame so as to clamp the wheel frame.

Further, the first clamping assembly includes a first cylinder.

Further, the first clamping assembly further comprises a first cushion pad connected with the output end of the first cylinder.

Further, the second clamping assembly includes a second cylinder.

Further, the second clamping assembly further comprises a second cushion pad connected to the output end of the second cylinder.

Further, the caster rotating shaft smoothness detection mechanism further comprises a supporting seat with a bearing, and an output shaft of the motor is connected with an inner ring of the bearing.

The utility model has the advantages that: a caster wheel rotating shaft smoothness detection mechanism comprises a fixed frame; the clamping device is arranged on the fixed frame and used for clamping the wheel carrier of the caster; the motor is arranged on the fixed frame, the output shaft of the motor is provided with a latch which can extend into a locking groove on the locking disc, the motor can drive the locking disc, the rotating shaft and the mounting frame to rotate relative to the wheel carrier, and the difference between the torque of the motor during rotation and a reference value is detected to judge whether the rotating shaft of the caster is smooth or not; the locking groove on the locking disc is utilized to drive the locking disc, the rotating shaft and the mounting frame to rotate relative to the wheel carrier, so that the slipping phenomenon can be avoided, the accuracy of a detection result can be improved, the detection efficiency can be improved, and the practicability is very good.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a caster rotating shaft smoothness detection mechanism.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can be detachably connected and can be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, a caster wheel rotating shaft smoothness detecting mechanism includes:

a fixed frame 10;

the clamping device 20 is arranged on the fixed frame 10 and is used for clamping the wheel carrier 31 of the caster;

the motor 40 is disposed on the fixing frame 10, an output shaft 41 of the motor 40 is provided with a latch 42 which can extend into a locking groove 321 on the locking disc 32, the motor 40 can drive the locking disc 32, the rotating shaft 33 and the mounting frame 34 to rotate relative to the wheel carrier 31, and a difference between a torque of the motor 40 during rotation and a reference value is detected to determine whether the caster rotating shaft 33 is smooth.

In the present invention, when in use, the caster assembly without the wheel body and the locking plate is placed in the detection space of the fixing frame 10 from bottom to top, and the output shaft 41 of the motor 40 is extended into the wheel frame 31, and the latch 42 is clamped into the locking groove 321 on the locking plate 32, and then the clamping device 20 is started, so that the clamping device 20 clamps the wheel frame 31, and then the motor 40 is started, and the output shaft 41 rotates, because the latch 42 is clamped into the locking groove 321 on the locking plate 32, the rotating shaft 33 and the mounting frame 34 will be driven to rotate relative to the wheel frame 31, meanwhile, the control device detects the torque of the motor 40 when rotating, and compares with the no-load torque of the motor 40, when the difference between the two is greater than the preset value, the rotation is considered to be not smooth, and when the difference between the two is smaller than the preset value, the rotation is considered to be smooth; the utility model discloses an utilize locking groove 321 on the locking dish 32 to drive the relative wheel carrier 31 rotation of locking dish 32, pivot 33 and mounting bracket 34, can avoid the phenomenon of skidding, not only can improve the accuracy of testing result, can also improve detection efficiency, have very good practicality.

The clamping device 20 includes a first clamping assembly 21 and a second clamping assembly 22 respectively arranged on two sides of the wheel frame 31, and the first clamping assembly 21 and the second clamping assembly 22 respectively abut against two sides of the wheel frame 31 to clamp the wheel frame 31.

As a preferred embodiment of the first clamping assembly 21, the first clamping assembly 21 includes a first cylinder 211.

The first clamping assembly 21 further comprises a first cushion 212 connected to an output end of the first cylinder 211; this arrangement can prevent the first cylinder 211 from scratching the wheel frame 31.

As a preferred embodiment of the second clamping assembly 22, the second clamping assembly 22 includes a second cylinder 221.

The second clamping assembly 22 further includes a second cushion 222 connected to an output end of the second cylinder 221; this arrangement prevents the second cylinder 221 from scratching the wheel frame 31.

The mechanism for detecting the smoothness of the rotating shaft of the caster further comprises a supporting seat 60 with a bearing 50, and an output shaft 41 of a motor 40 is connected with an inner ring of the bearing 50.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a truckle pivot smoothness degree detection mechanism which characterized in that includes:

a fixed frame (10);

the clamping device (20) is arranged on the fixed frame (10) and is used for clamping a wheel carrier (31) of a caster;

the motor (40) is arranged on the fixed frame (10), a clamping tooth (42) which can stretch into a locking groove (321) on the locking disc (32) is arranged on an output shaft (41) of the motor (40), the motor (40) can drive the locking disc (32), the rotating shaft (33) and the mounting frame (34) to be relative to the wheel carrier (31), and the difference between the torque and the reference value of the motor (40) during rotation is detected to judge whether the caster rotating shaft (33) is smooth or not.

2. The mechanism of claim 1, wherein: the clamping device (20) comprises a first clamping assembly (21) and a second clamping assembly (22) which are respectively arranged on two sides of the wheel carrier (31), and the first clamping assembly (21) and the second clamping assembly (22) are respectively abutted against two sides of the wheel carrier (31) to clamp the wheel carrier (31).

3. The mechanism of claim 2, wherein the caster wheel shaft smoothness detection mechanism comprises: the first clamping assembly (21) includes a first cylinder (211).

4. The mechanism of claim 3, wherein the caster wheel shaft smoothness detection mechanism comprises: the first clamping assembly (21) further comprises a first cushion pad (212) connected to an output end of the first cylinder (211).

5. The mechanism of claim 2, wherein the caster wheel shaft smoothness detection mechanism comprises: the second clamping assembly (22) includes a second cylinder (221).

6. The mechanism of claim 5, wherein: the second clamping assembly (22) further comprises a second cushion (222) connected to an output end of the second cylinder (221).

7. The mechanism of claim 1, wherein: the motor is characterized by further comprising a supporting seat (60) with a bearing (50), wherein an output shaft (41) of the motor (40) is connected with an inner ring of the bearing (50).