KR101251965B1 - Torque measuring device for torque sensor - Google Patents

Abstract

The present invention discloses a torque measuring device for a torque sensor. The present invention, a fixed jig fixed to the outside, a rotating frame connected to the fixed jig rotatably, and a two-axis torque sensor disposed between the fixing jig and the rotating frame to connect the fixed jig and the rotating frame And an urging means connected to the rotating frame to press the rotating frame in a first direction or a second different from the first direction.

Description

Torque measuring device for torque sensor

The present invention relates to a torque measuring device, and more particularly, to provide a torque measuring device for a torque sensor.

In general, the torque sensor is a device for measuring the torque by the force applied to the external device. At this time, the torque sensor can measure the torque by measuring the amount of deformation of the member from the external force in general. However, the torque sensor is generally formed on a plane, and to measure the torque should be provided with a separate device for detecting the deformation.

However, in the case of attaching a separate device such as a load cell to measure the torque in the above case it is impossible to measure the exact behavior or torque. In particular, the two-axis torque sensor is structurally different from the existing torque sensor, so it is difficult to analyze the behavior using the existing experimental apparatus or load cell.

In particular, in case of 2-axis torque sensor, it should be used as a basic value to control the behavior of external device by measuring torque by directly combining with external device. Therefore, in case of a two-axis torque sensor, it is very important to grasp the exact behavior when the force is applied from the outside and to accurately measure the torque generated from the external force.

Embodiments of the present invention are to provide a torque measuring device for a torque sensor that can accurately and accurately measure the torque of the two-axis torque sensor.

One aspect of the present invention, a fixing jig fixed to the outside, a rotating frame connected to the fixing jig rotatably, and disposed between the fixing jig and the rotating frame 2 connecting the fixing jig and the rotating frame And an axial torque sensor, and an urging means connected to the rotating frame to apply the rotating frame in a first direction or a second different from the first direction.

In addition, the urging means may include an elastic part connected to the rotating frame, a pulley part connected to one end of the elastic part to wind a portion of the elastic part, and a driving part to rotate the pulley part.

In addition, the first direction and the second direction may be formed to be perpendicular to each other.

The two-axis torque sensor may include an accommodating plate installed in an external device and exerting a force from a first direction or a second direction different from the first direction, and extending from the accommodating plate at a predetermined angle to form the first axis. A first deformable portion deformed by a force in a direction, a second deformable portion formed by being bent from the first deformable portion, and deformed by a force in the second direction, and connected to the second deformable portion It may be provided with an installation frame on which the device is installed.

The two-axis torque sensor may include an accommodating plate installed in an external device and exerting a force from a first direction or a second direction different from the first direction, and extending from the accommodating plate at a predetermined angle to form the first axis. A first deformable portion deformed by a force in a direction, a support plate installed in connection with the first deformable portion, and formed to extend at a predetermined angle from the support plate and deformed by a force in the second direction And a second deforming part and an installation frame connected to the second deforming part to install the external device.

The controller may further include a controller configured to receive a force applied from the force means and a variable displacement of the force means to calculate at least one of the torque in the first direction and the second direction of the biaxial torque sensor. .

Embodiments of the present invention can accurately and quickly detect the torque of at least one of the torque sensor of the first direction and the second direction that is deformed by the force applied in the first and second directions.

1 is a conceptual diagram showing a torque measuring device for a torque sensor according to an embodiment of the present invention.
FIG. 2 is a perspective view showing an embodiment of the biaxial torque sensor shown in FIG. 1.
Figure 3 is a perspective view showing another embodiment of the two-axis torque sensor shown in FIG.
4 is a block diagram showing a control flow of the torque measuring device for a torque sensor shown in FIG.

1 is a conceptual diagram showing a torque measuring device 100 for a torque sensor according to an embodiment of the present invention. 2 is a block diagram showing a control flow of the torque measuring device 100 for a torque sensor shown in FIG.

1 and 2, the torque measuring device 100 for a torque sensor includes a fixing jig 110 fixed to the outside. The fixing jig 110 is formed in a frame shape and may be fixed to the outside and not move.

Torque measuring device 100 for a torque sensor includes a rotating frame 130 is rotatably connected to the fixing jig (110). The rotating frame 130 may rotate in combination with one end of the fixing jig 110.

Meanwhile, the torque measuring device 100 for the torque sensor includes a two-axis torque sensor 120 disposed between the fixed jig 110 and the rotation frame 130. The two-axis torque sensor 120 may be installed at a portion of the fixing jig 110 and the rotating frame 130 to connect the fixing jig 110 and the rotating frame 130.

Torque measuring device 100 for a torque sensor includes a force means (not shown) connected to the rotating frame to force the rotating frame 130 in the first direction (A) or the second direction (B). In this case, the first direction A or the second direction B may be different from each other. Specifically, the first direction A and the second direction B may form a predetermined angle with each other. In particular, the first direction A and the second direction B may be formed to be perpendicular to each other.

On the other hand, the pressing means may include a first pressing means 140 disposed in the first direction (A). In addition, the pressing means may include a second pressing means 150 disposed in the second direction (B).

Specifically, the first pressing means 140 and the second pressing means 150 are connected to the rotating frame 130 to the force in the first direction (A) and the second direction (B) to the rotating frame 130, respectively. Can be added.

The first urging means 140 and the second urging means 150 may be formed similarly to each other. Hereinafter, for convenience of description, the first pressing means 140 will be described in detail.

The first urging means 140 may include a first elastic portion 141 connected to the rotating frame 130. In this case, the first elastic part 141 may include a first connection part (not shown) connected to the rotating frame 130. In addition, the first elastic part 141 may include a first spring (not shown) connected to the first connection part to provide an elastic force.

The first urging means 140 may include a first pulley part 142 which is connected to one end of the first elastic part 141 and is formed to wind a portion of the first elastic part 141. In this case, the first pulley part 142 may be formed in a circular shape, and a seating groove may be formed so that a part of the first elastic part 141 is seated.

The first urging means 140 may include a first driving part 143 for rotating the first pulley part 142. In this case, the first driving unit 143 may be connected to the first pulley unit 142 to rotate the first pulley unit 142.

Hereinafter, the two-axis torque sensor 120 will be described in detail.

2 is a perspective view illustrating an embodiment of the biaxial torque sensor 120 shown in FIG. 1.

Referring to FIG. 2, the two-axis torque sensor 120 includes a receiving plate 121 installed on the rotating frame 130 to which a force is applied in the first direction A or the second direction B. FIG. .

The accommodation plate 121 may be installed and fixed to the rotating frame 130. At this time, the receiving plate 121 may be formed in a quadrangular shape so as to receive the force applied from the first direction (A) and the second direction (B).

Specifically, the receiving plate 121 may be formed in the shape of a square pillar. In particular, the receiving plate 121 may be formed in the shape of a square pillar. At this time, the receiving plate 121 is not limited to the above shape, it may include any shape that can accommodate the force applied in the first direction (A) and the second direction (B).

On the other hand, the two-axis torque sensor 120 includes a first deformable portion 122 is formed to extend from the receiving plate 121. The first deformable portion 122 may form a predetermined angle with the receiving plate 121. In addition, the first deformable portion 122 may be deformed by a force applied in the first direction A. FIG.

The first deformable portion 122 may include a deformed frame 122a that extends from the receiving plate 121. In addition, the first deformable portion 122 is formed to extend from the deformed frame 122a and the second deformed portion 123 to be described later, and the connection portion 122b connecting the deformed frame 122a to the second deformed portion 123. ) May be included.

The biaxial torque sensor 120 includes a second deformable portion 123 that is bent from the first deformable portion 122. In this case, the second deformable portion 123 may be deformed by the force in the second direction B. FIG.

On the other hand, the two-axis torque sensor 120 includes an installation frame 124 connected to the second deformable portion 123. At this time, the installation frame 124 may be fixed to the fixing jig 110 is installed.

The installation frame 124 may include a fixing part 124a to be fixed to the fixing jig 110. In this case, the fixing part 124a may be variously formed according to the shape of the fixing jig 110. For example, the fixing part 124a may include an insertion hole 124b to insert the protrusion of the fixing jig 110.

In addition, the fixing part 124a may be provided with a coupling protrusion (not shown) so that the fixing jig 110 is coupled thereto. Hereinafter, for convenience of description, the fixing part 124a will be described based on the case where the insertion hole 124b is provided. A coupling pin (not shown) may be coupled to the insertion hole 124b to fix the fixing portion 124a and the fixing jig 110.

Meanwhile, the two-axis torque sensor 120 coupled as described above may generate torque by a force applied from at least one of the first direction A and the second direction B. FIG.

3 is a perspective view illustrating another embodiment of the biaxial torque sensor 120 shown in FIG. 1.

Referring to FIG. 3, the two-axis torque sensor 220 includes a receiving plate 221 installed on the rotation frame 130 to which a force is applied in the first direction A or the second direction B. FIG. .

The accommodation plate 221 may be installed and fixed to the rotating frame 130. In this case, the receiving plate 221 may be formed in a quadrangular shape so as to receive the force applied from the first direction (A) and the second direction (B).

Specifically, the receiving plate 221 may be formed in the shape of a square pillar. In particular, the receiving plate 221 may be formed in the shape of a square pillar. At this time, the receiving plate 221 is not limited to the above shape, it may include any shape that can accommodate the force applied in the first direction (A) and the second direction (B).

On the other hand, the two-axis torque sensor 220 includes a first deformable portion 222 extending from the receiving plate 221. The first deformable portion 222 may form a predetermined angle with the receiving plate 221. In addition, the first deformable portion 222 may be deformed by a force applied in the first direction A. FIG.

In addition, the two-axis torque sensor 220 may include a support plate 225 extending from the first deformable portion 222. In this case, the support plate 225 may connect the first deformable portion 222 and the second deformable portion 223 to each other by connecting the first deformable portion 222 and the second deformable portion 223 to be described later.

The biaxial torque sensor 220 includes a second deformable portion 223 formed at a predetermined angle from the support plate 225. In this case, the second deformable portion 223 may be deformed by the force in the second direction B. FIG.

On the other hand, the two-axis torque sensor 220 includes an installation frame 224 connected to the second deformable portion 223. At this time, the installation frame 224 may be fixed to the fixing jig 110 is installed.

The installation frame 224 may include a fixing part 224a to be fixed to the fixing jig 110. In this case, the fixing part 224a may be formed similarly to that described with reference to FIG. 2 according to the shape of the fixing jig 110.

Meanwhile, the two-axis torque sensor 220 coupled as described above may generate torque by a force applied from at least one of the first direction A and the second direction B. FIG.

4 is a block diagram showing a control flow of the torque measuring device 100 for a torque sensor shown in FIG.

Referring to FIG. 4, referring to the operation of the torque measuring device 100 for a torque sensor, the controller 190 may input a signal to the first driver 143 to control the first driver 143 and the second driver 153. At least one can be activated. In this case, when the first driving unit 143 and the second driving unit 153 are similar to each other, the following description will focus on the case of operating the first driving unit 143 for convenience of description.

When the controller 190 drives the first driver 143, the first pulley part 142 rotates according to the driving of the first driver 143. At this time, the first pulley part 142 rotates to vary the length of the first elastic part 141.

The first elastic portion 141 is variable in length to apply a first force (F1) to the rotating frame 130. In this case, the first force F1 may be transmitted to the controller 190. In addition, the control unit 190 of the radius R1 of the first pulley unit 142 may be preset.

The controller 190 applies a first torque applied to the biaxial torque sensor 120 in the first direction A based on the transmitted first force F1 and the radius R1 of the first pulley 142. (T1) can be calculated. In this case, the controller 190 may calculate the first torque T1 and transmit the first torque T1 to the display unit 180. The display unit 1 may display the transmitted first torque T1 to the outside.

Meanwhile, the method of calculating the second torque T2 by the controller 190 may be similar to the method of calculating the first torque T1. In detail, the controller 190 may calculate the second torque T2 based on the radius R2 of the second force F2 and the second pulley 152.

In addition, the control unit 190 is a two-axis torque sensor in a similar manner to the case in which the first force (F1) and the second force (F2) is applied in the first direction (A) and the second direction (B). The torque applied to 120 can be calculated.

Accordingly, the torque measuring device 100 for the torque sensor may include at least one of the first torque T1 and the second torque T2 due to a force applied in at least one of the first direction A and the second direction. Can be accurately and quickly calculated and displayed externally.

In addition, the torque measuring device 100 for the torque sensor can easily and simply measure the torque applied to the actual two-axis torque sensor 120 by applying at least one of the first force (F1) and the second force (F2). .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

100: torque measuring device for torque sensor
110: fixing jig
120: 2-axis torque sensor
130: rotating frame
140: first pressing means
150: second applying means

Claims (6)

Fixed jig fixed to the outside,
A rotating frame rotatably connected to the fixing jig;
A two-axis torque sensor disposed between the fixing jig and the rotating frame to connect the fixing jig and the rotating frame;
It is connected to the rotating frame and a pressing means for applying the rotating frame in a second direction different from the first direction or the first direction,
The two-axis torque sensor is provided with an external device, the receiving plate is applied a force from a first direction or a second direction different from the first direction,
A first deformable portion extending from the accommodation plate at a predetermined angle and deformed by the force in the first direction;
A second deformable part bent from the first deformable part and deformed by a force in the second direction;
Torque measuring device for a torque sensor having a mounting frame connected to the second deformable portion and the external device is installed.
Fixed jig fixed to the outside,
A rotating frame rotatably connected to the fixing jig;
A two-axis torque sensor disposed between the fixing jig and the rotating frame to connect the fixing jig and the rotating frame;
It is connected to the rotating frame includes a pressing means for applying the rotating frame in a first direction or a second direction different from the first direction,
The two-axis torque sensor is provided with an external device to receive a force from the first direction or a second direction different from the first direction, and
A first deformable portion extending from the accommodation plate at a predetermined angle and deformed by the force in the first direction;
A support plate installed in connection with the first deformation part,
A second deformable part extending from the support plate at a predetermined angle and deformed by a force in the second direction;
Torque measuring device for a torque sensor having a mounting frame connected to the second deformable portion and the external device is installed.
The method according to claim 1 or 2,
Torque measuring device for a torque sensor is formed so that the first direction and the second direction is perpendicular to each other.
The method according to claim 1 or 2,
The tension means,
An elastic part connected to the rotating frame;
A pulley part connected to one end of the elastic part and formed to wind a portion of the elastic part;
Torque measuring device for a torque sensor having a drive unit for rotating the pulley.
delete The method according to claim 1 or 2,
Torque for torque sensor further comprising a control unit for receiving a force applied from the force means and a variable displacement of the force means to calculate at least one of the torque of the first direction and the second direction of the two-axis torque sensor. Measuring device.

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