KR200495522Y1 - Smart linear moving device - Google Patents

Abstract

The smart linear moving device includes a guide member, a moving member, a plurality of rolling members, and a sensing member. The moving member includes a moving member body and at least two circulation members, and an inner rolling groove corresponding to the guide groove of the guide member is provided inside the moving member main body, and the inner rolling groove forms an inner rolling member passage together with the guide groove. and, the moving member body further includes a circulation passage corresponding to the inner rolling member passage. The circulation member is installed in the moving member body, each circulation member has a return passage, and the circulation passage, the inner rolling member passage and the return passage form one circulation passage. The rolling member is accommodated in the circulation path, and the sensing member is installed inside the guide member or the moving member.

Description

Smart linear moving device {SMART LINEAR MOVING DEVICE}

The present invention relates to a linear moving device, and more particularly, to a smart linear moving device.

A linear moving device, for example, a ball screw, is a device that is widely applied to many mechanical equipment. direction to work.

The ball screw is mainly composed of one screw, one nut and a plurality of balls. The outer surface of the screw has a spiral groove, and the inner surface of the nut also has a spiral inner groove, forming a ball passage with the screw, and the ball is accommodated therein to form a rolling relationship with the screw and the nut, thereby forming a rolling relationship with the screw and the nut. Reduce the relative rotational friction between the nuts.

In practical applications, some ball screws must withstand heavy loads, so it is necessary to monitor their operation from time to time. The prior art senses pressure and/or temperature when the device operates by using a method of installing a sensor externally. However, since the sensor is installed outside the device, the sensed pressure or temperature value may be different from the actual situation inside the device, and thus cannot accurately respond to the actual operating situation inside the device.

An object of the present invention is to provide a smart linear moving device that can achieve the purpose of smart monitoring by accurately sensing the temperature and/or pressure inside the device to respond to actual operating conditions.

In order to achieve the above object, according to the smart linear moving device of the present invention, it includes a guide member, a moving member, a plurality of rolling members and a sensing member. The guide member has a guide groove. The moving member is slidingly installed on the guide member, and includes a moving member body and at least two circulation members. The inner side of the moving member body has an inner rolling groove corresponding to the guide groove, the inner rolling groove and some guide grooves together constitute one inner rolling member passage, and the moving member body is a circulation passage corresponding to the inner rolling member passage. provide more The circulation member is installed in the moving member body, each circulation member has a return passage, and the circulation passage, the inner rolling member passage and this return passage form one circulation passage. The plurality of rolling members are accommodated in the circulation path, and the sensing member is installed inside the guide member or the moving member.

Among the smart linear moving devices of the present invention, the moving member is slidingly installed on the guide member; An inner rolling groove corresponding to the guide groove is provided inside the moving member body of the moving member, and the inner rolling groove and some guide grooves together constitute an inner rolling member passage, and the moving member body is a circulation passage corresponding to the inner rolling member passage. further comprising; each circulation member has a return passage, and the circulation passage, the inner rolling member passage and this return passage form a circulation passage; The plurality of rolling members are accommodated in the circulation path, and the sensing member is installed inside the guide member or the moving member. Therefore, the smart linear moving device of the present invention accurately senses the temperature and/or pressure when the device is operated inside the guide member or the moving member using the sensing member, and accordingly responds to the actual operating situation of the linear moving device. Smart monitoring purpose can be achieved.

1A is an external view of a smart linear moving device according to a first embodiment of the present invention.
Figure 1b is an exploded view of the smart linear mobile device shown in Figure 1a.
Figure 1d is a cross-sectional view taken along the cutting line AA of the smart linear moving device shown in Figure 1a.
FIG. 1E is a local enlarged view of the smart linear mobile device shown in FIG. 1D .
2A is an explanatory diagram of a smart linear mobile device according to a second embodiment of the present invention.
Figure 2b is an exploded view of the smart linear mobile device shown in Figure 2a.
Figure 2d is a local enlarged cross-sectional view of the smart linear mobile device shown in Figure 2a.
3A is an explanatory diagram of a smart linear mobile device according to a third embodiment of the present invention.
Figure 3c is a cross-sectional view taken along the CC cut line of the smart linear moving device of Figure 3a.
Figure 3e is a local enlarged cross-sectional view of the smart linear mobile device shown in Figure 3a.
4A is an explanatory diagram of a smart linear mobile device according to a fourth embodiment of the present invention.
Figure 4c is a cross-sectional view taken along the DD cut line of the smart linear mobile device shown in Figure 4a.
Figure 4e is a local enlarged cross-sectional view of the smart linear mobile device shown in Figure 4c.

Hereinafter, a smart linear mobile device according to different embodiments of the present invention will be described with reference to the related drawings, and the same elements will be described with the same reference numerals.

Example 1:

1A is an explanatory view of a smart linear moving device according to a first embodiment of the present invention, FIG. 1B is an exploded view of the smart linear moving device shown in FIG. 1A, and FIG. 1D is one of the smart linear moving devices shown in FIG. 1A It is a cross-sectional view along the cutting line A-A, and FIG. 1E is a local enlarged view of the smart linear moving device shown in FIG. 1D.

1A to 1D , the smart linear moving device 1 of this embodiment is a ball screw, and also a guide member 11, a moving member 12, a plurality of rolling members 13 and a sensing member 14. includes

The guide member 11 is a screw of a cylindrical rod body, and its outer surface has at least one continuously wound spiral guide groove 111 along its axial direction (ie, the long axis direction of the screw). Here, one continuously wound spiral guide member 111 is exemplified. In another embodiment, when the guide member 11 is a multi-thread screw, that is, it may include two consecutively wound spiral guide grooves.

The moving member 12 is slidably installed on the guide member 11 . 1B, the moving member 12 of this embodiment is a nut, and includes a moving member body 121 and at least two corresponding circulation members 122 and 123, and the circulation members 122 and 123. are respectively connected to the moving member body 121 , and the guide member 11 penetrates the through hole O of the moving member body 121 . Specifically, the moving member body 121 may be formed by processing the nut body material. The nut body material may be a metal block-shaped material or a column-shaped material, and the moving member body 121 and its detailed structure are formed after being polished. Of course, the processing and molding method of the moving member body 121 is not limited, and also, the smart linear moving device 1 of this embodiment is exemplified to include two circulation members 122 and 123, but limited to this not, in another embodiment, the smart linear moving device may include two or more, for example, four, eight, or other number of circulation members, the present invention is not limited.

The rolling member 13 may be a ball or a roller, and the rolling member 13 of this embodiment is a ball as an example. Therefore, when the smart linear moving device 1 is operated, the rolling member 13 can circulate in the circulation path RP, and the plurality of rolling members 13 (balls) in the inner rolling member passageway are the moving member body. By removing the amount of elastic deformation of the axial load received between the moving member 12 and the guide member 11 by generating a preload for 121, the rigidity of the entire system is maintained, and furthermore, the smart linear moving device ( 1) high positioning precision can be achieved. 1D as an example, the preload direction generated by the upper rolling member 13 on the moving member body 121 is an upwardly inclined direction from right to left, and the lower rolling member 13 is applied to the moving member body 121. The direction of the preload to be issued is the direction inclined downward from right to left.

The sensing member 14 is installed inside the guide member 11 or the moving member 12, and detects a situation when the smart linear moving device 1 operates. 1D and 1E simultaneously, the sensing member 14 of this embodiment is installed in the concave groove 1211 of the moving member body 121 of the moving member 12, and the sensing member 14 is the moving member body ( 121) is closely coupled with the concave groove 1211. Specifically, the outer diameter of the sensing member 14 is approximately the same as the inner diameter of the concave groove 1211 , so that when the sensing member 14 is installed in the concave groove 1211 , both can be closely coupled, so that the movement It is possible to accurately sense the operating situation inside the member 12 . In some embodiments, the sensing member 14 may be installed inside the movable member 12 using, for example, locking coupling or adhesive coupling, or other suitable method, without limitation. This embodiment exemplifies that the two sensing members 14 are installed in the concave grooves 1211 on opposite sides of the moving member body 121 . Of course, the number of the sensing member 14 is not limited to two, the same as the number of the concave groove 1211, for example, may be four.

The sensing member 14 may include a housing body 141 and at least one sensor, and the housing body 141 may be installed on the guide member 11 or the moving member 12 . Here, the housing body 141 is installed in the concave groove 1211 of the moving member body 121, and a receiving space S is provided inside the housing body 141, so that at least one sensor is installed in the receiving space ( S) can be installed. Here, the sensor may include, but is not limited to, for example, a pressure sensor (eg, strain gauge, strain gauge), or a temperature sensor, or a vibration sensor, or a combination thereof. As an example, the sensor of this embodiment includes one pressure sensor 14a and two temperature sensors 14b, and by directly sensing the pressure and temperature during operation from the inside of the smart linear moving device 1, the operating state to achieve the purpose of comprehensive monitoring. Of course, in other embodiments, the number and types of sensors may be different from the embodiment of FIG. 1E .

Taking the preload generated by the upper rolling member 13 of FIG. 1D on the moving member body 121 as an example, as shown in FIG. 1E , the preload is parallel to the long axis direction (X direction) of the guide member 11 . It can be divided into a horizontal component force F1 and a vertical component force F2 perpendicular to the long axis direction (Y direction) of the guide member 11 . In the present embodiment, the horizontal component force F1 may press the housing body 141 to generate deformation in the housing body 141, and accordingly, by detecting the deformation of the housing body 141, this horizontal component force F1 can be known The housing body 141 of this embodiment is provided with a hollow arcuate structure (H) in the accommodating space (S), the hollow arcuate structure (H) is interposed between the opposite walls of the housing body 141, the pressure sensor ( 14a) may be installed in the hollow arcuate structure (H). Therefore, when the ball screw is operated, the horizontal component force F1 parallel to the long axis direction (X direction) of the above-described guide member 11 presses the housing body 141 to generate deformation in the housing body 141, Furthermore, it is possible to generate a deformation in the hollow arcuate structure H, and this deformation can be sensed by the pressure sensor 14a, so that the pressure value can be obtained after conversion. Here, since the horizontal component force divided by the preload is the same as the cosine function, if the horizontal component force and the angle between the preload and the horizontal direction are known, the true preload value can be obtained by inversely inferring the cosine function.

In addition, thermal energy generated when the device operates is also transferred to the housing body 141 of the sensing member 14 through the rolling member 13 and the moving member 12, and a temperature sensor attached to the side wall of the housing body 141 (14b) can detect the temperature during operation, and the pressure value detected by the pressure sensor 14a and the temperature value detected by the temperature sensor 14b are wired through a wired transmission module or through a wireless transmission module. After being transmitted to the outside of the device in a wireless manner, the user can monitor the operation status of the smart linear mobile device 1 through the pressure and temperature values, thereby achieving the purpose of smart monitoring. For a detailed structure in which the pressure sensor and the temperature sensor are packaged inside the housing, reference may be made to Taiwan Patent Application No. 106146354, and a separate description is not provided herein.

Second embodiment:

2A is an explanatory view of a smart linear moving device according to a second embodiment of the present invention, FIG. 2B is an exploded view of the smart linear moving device shown in FIG. 2A, and FIG. 2D is a smart linear moving device shown in FIG. 2A It is a local enlarged cross-sectional view.

2A and 2B together, in this embodiment, the smart linear moving device 2 takes a rotary ball screw device as an example, which includes a shaft liner 21, an outer nut 22, a plurality of first balls ( 23), at least one ball retainer 24, a screw 25, a plurality of second balls 26, a plurality of return elements 27, a plurality of anti-vibration assemblies 28, at least one reinforcing member and a sensing member (20). In this embodiment, the screw 25 is the aforementioned guide member, the shaft liner 21 is the aforementioned movable member (moving member body), and the return element 27 is the aforementioned circulation member, and the second The ball 26 is ie the aforementioned rolling member.

Referring to FIG. 2B , the shaft liner 21 includes a moving member body (not shown), and at least one first external ball groove 211 outside the moving member body. However, one of ordinary skill in the art may have one first outer ball groove 211 installed on the shaft liner 21, and the rotational stability of the outer nut 22 and/or the smart linear movement device ( It will be appreciated that a plurality of first external ball grooves 211 may be installed in the shaft liner 21 in order to increase the bearing capacity of 2). In this embodiment, the shaft liner 21 is provided with two first outer ball grooves 211 as an example. The two first outer ball grooves 211 are installed on the outer surface OS of the shaft liner 21 .

In addition, as shown in FIGS. 2B and 2D , the sensing member 20 is installed inside the shaft liner 21 (guide member), and the smart linear moving device 2 detects a situation when it is operated. As in the first embodiment, the sensing member 20 of this embodiment is installed in the concave groove (not shown) of the shaft liner 21, and is closely coupled with the concave groove to detect the operating condition inside the shaft liner 21. accurately detect

The sensing member 20 may include a housing body 201 and at least one sensor, wherein the housing body 201 is installed in the concave groove of the shaft liner 21 , and is disposed inside the housing body 201 . An accommodating space (S) is provided, and at least one sensor may be installed in the accommodating space (S). For example, the sensor of this embodiment includes one pressure sensor 20a and two temperature sensors 20b, and by directly sensing the pressure and temperature when the device operates from the inside of the smart linear mobile device 2, the entire Achieve the purpose of monitoring people.

As in the first embodiment, the second ball 26 may generate a preload with respect to the shaft liner 21 , and this preload may include a horizontal component force (X direction) parallel to the long axis direction of the screw 25 and the screw It can be divided into a vertical component force (Y direction) perpendicular to the long axis direction of (25). The horizontal component force (X direction) presses the housing body 201 to generate a deformation in the housing body 201 . Accordingly, this horizontal component force can be known by detecting the deformation of the housing body 201 . Therefore, when the rotary ball screw device is operated, the horizontal component force (X direction) parallel to the long axis direction of the screw 25 presses the housing body 201 to generate deformation in the housing body 201, and furthermore, the hollow Deformation may be generated in the arcuate structure H of , and this deformation may be sensed by the pressure sensor 20a, and the pressure value may be obtained after conversion. Here, since the horizontal component force divided by the preload is the same as the cosine function, if the horizontal component force and the angle between the preload and the horizontal direction are known, the true preload value can be obtained by inversely inferring the cosine function.

In addition, thermal energy generated when the device is operated is also transferred to the housing body 201 of the sensing member 20, so that the temperature sensor 20b attached to the side wall of the housing body 201 can detect the temperature during operation, , the pressure value detected by the pressure sensor 20a and the temperature value detected by the temperature sensor 20b are transmitted to the outside of the device by a wired method through a wired transmission module or a wireless method (a wireless method is preferable) through a wireless transmission module. After being transmitted, the user can monitor the operation status of the smart linear moving device 2 through the pressure value and the temperature value, thereby achieving the purpose of smart monitoring.

Third Example:

3A is an explanatory diagram of a smart linear mobile device according to a third embodiment of the present invention. Here, the smart linear moving device 3 may be referred to as a single-axis motion device or a single-axis robot.

Referring to FIG. 3A , the smart linear moving device 3 according to the present invention includes a linear rail body 31 , a sliding seat 32 and a plurality of balls 33 . In addition, the smart linear moving device 3 may further include a screw 34 , a power transmission device 35 , a plurality of balls 36 , and a sensing member 30 . In this embodiment, the screw 34 is the aforementioned guide member, the sliding seat 32 is the aforementioned moving member, the circulation element 327 is the aforementioned circulation member, and the ball 36 is the aforementioned movable member. It is a rolling member.

One end of the screw 34 is connected to the power transmission device 35 , and the other end of the screw 34 is connected to the base sheet B of the linear rail body 31 . When the power transmission device 35 rotates, the screw 34 rotates together, and further, the sliding seat 32 can be moved from the linear rail body 31 . Here, through the mutual cooperation of the circulating ball 36, the sliding seat 32, and the screw 34, the rotation of the screw 34 is converted to linear power transmission, and the sliding seat 32 and the mechanism thereon are linearly operated. It becomes possible to move along the rail body (31).

Referring to Fig. 3c, Fig. 3c is a cross-sectional view taken along the line C-C of the smart linear moving device of Fig. 3a.

Figure 3e is a local enlarged cross-sectional view of the smart linear mobile device shown in Figure 3a. As shown in FIG. 3E , the sensing member 30 is installed inside the sliding seat 32 (moving member), and the smart linear moving device 3 detects a situation when it is operated. As in the first embodiment, the sensing member 30 of this embodiment is installed in a concave groove (not shown) of the sliding seat 32 and closely coupled with the concave groove, thereby operating conditions inside the sliding seat 32 . to accurately detect

The sensing member 30 may include a housing body 301 and at least one sensor, wherein the housing body 301 is installed in the concave groove of the sliding seat 32 , and is located inside the housing body 301 . An accommodating space (S) is provided, and at least one sensor may be installed in the accommodating space (S). As an example, the sensor of this embodiment includes one pressure sensor 30a and two temperature sensors 30b, and the operating state is determined by directly sensing the pressure and temperature during operation inside the smart linear moving device 3 Achieving the purpose of comprehensive monitoring.

As in the first embodiment, the ball 36 can generate a preload against the sliding seat 32 , and this preload is a horizontal component force F1 (X direction) parallel to the long axis direction of the screw 34 and It can be divided into a vertical component force F2 (Y direction) perpendicular to the long axis direction of the screw 34 . The horizontal component force F1 (X direction) presses the housing body 301 to generate deformation in the housing body 301, and thus, by sensing the deformation of the housing body 301, this horizontal component force F1 is Able to know. Therefore, when the smart linear moving device 3 is operated, the horizontal component force F1 parallel to the long axis direction (X direction) of the screw 34 presses the housing body 301 and deforms the housing body 301 . , and furthermore, it is possible to generate a deformation in the hollow arcuate structure H, and this deformation is sensed by the pressure sensor 30a, and after conversion, the pressure value can be obtained. Here, since the horizontal component force divided by the preload is the same as the cosine function, if the horizontal component force and the angle between the preload and the horizontal direction are known, the true preload value can be obtained by inversely inferring using the cosine function.

In addition, thermal energy generated during operation of the device is also transferred to the housing body 301 of the sensing member 30, so that the temperature sensor 30b attached to the sidewall of the housing body 301 can detect the temperature during operation, , After the pressure value sensed by the pressure sensor 30a and the temperature value sensed by the temperature sensor 30b are transmitted to the outside of the device in a wired or wireless manner, the user uses the pressure and temperature values of the smart linear moving device ( 3) can be monitored, and through this, the purpose of smart monitoring can be achieved.

Example 4

4A is an explanatory view of a smart linear moving device according to a fourth embodiment of the present invention, and FIG. 4C is a cross-sectional view taken along a line D-D of the smart linear moving device shown in FIG. 4A.

4A and 4C simultaneously, the smart linear moving device (L) provided by the present invention is a linear rail exercise device, which is a linear rail (4), a sliding seat (5), a plurality of balls (6) and sensing member 40 . In this embodiment, the linear rail 4 is the aforementioned guide member, the sliding seat 5 is the aforementioned moving member, and the ball 6 is the aforementioned rolling member.

Figure 4e is a local enlarged cross-sectional view of the smart linear mobile device shown in Figure 4c. Only some elements are shown here.

4c and 4e, the sensing member 40 is installed inside the linear rail 4 (guide member), and detects a situation when the smart linear moving device L is operated. Unlike the first embodiment, the sensor 40 of this embodiment is installed in the concave groove (not shown) of the linear rail 4, and is closely coupled with the concave groove, thereby accurately measuring the operating situation inside the linear rail 4 detect As a different point from the above-described embodiment, in this embodiment, it is exemplified that a plurality of sensing members 40 are installed in the concave groove of the linear rail 4 at intervals of a fixed distance.

The sensing member 40 may include a housing body 401 and at least one sensor, wherein the housing body 401 is installed in the concave groove of the linear rail 4 and is located inside the housing body 401 . An accommodating space (S) is provided, and at least one sensor may be installed in the accommodating space (S). As an example, the sensor of this embodiment includes one pressure sensor 40a and two temperature sensors 40b, and the operating state is determined by directly sensing the pressure and temperature during operation inside the smart linear moving device (L). Achieving the purpose of comprehensive monitoring.

As described above, the ball 6 can generate a preload F against the linear rail 4, and this preload F can be divided into a horizontal component force (X direction) and a vertical component force (Y direction). can The horizontal component force (X direction) presses the housing body 401 to generate deformation in the housing body 401 , and thus, this horizontal component force can be known by detecting the deformation of the housing body 401 . Therefore, when the smart linear movement device (L) is operated, the above-described horizontal component force presses the housing body 401 to generate deformation in the housing body 401, and furthermore, to generate deformation in the hollow arcuate structure (H). This deformation may be detected by the pressure sensor 40a, and the pressure value may be obtained after conversion. Here, since the horizontal component force divided by the preload is the same as the cosine function, if the horizontal component force and the angle between the preload and the horizontal direction are known, the true preload value can be obtained by inversely inferring the cosine function.

In addition, thermal energy generated when the device is operated is also transferred to the housing body 401 of the sensing member 40, so that the temperature sensor 40b attached to the side wall of the housing body 401 can detect the temperature during operation, , after the pressure value sensed by the pressure sensor 40a and the temperature value sensed by the temperature sensor 40b are transmitted to the outside of the device in a wired or wireless manner, the user uses the pressure and temperature values of the smart linear moving device ( L) can be monitored, and the purpose of smart monitoring can be achieved.

In conclusion, in the smart linear moving device of the present invention, the moving member is slidingly installed on the guide member; An inner rolling groove corresponding to the guide groove is provided inside the moving member body of the moving member, and the inner rolling groove and some guide grooves together constitute an inner rolling member passage, and the moving member body is a circulation passage corresponding to the inner rolling member passage. further comprising; each circulation member has a return passage, and the circulation passage, the inner rolling member passage and this return passage form a circulation passage; The plurality of rolling members are accommodated in the circulation path, and the sensing member is installed inside the guide member or the moving member. Therefore, the smart linear moving device of the present invention accurately senses the temperature and/or pressure when the device is operated inside the guide member or the moving member using the sensing member, and accordingly responds to the actual operating situation of the linear moving device. Smart monitoring purpose can be achieved.

The above description is merely exemplary and not restrictive. All equivalent modifications or changes made thereto without departing from the spirit and scope of the present invention should be included in the scope of the attached patent application.

1, 2, 3, L: Smart linear movement device 4: Linear rail
11: guide member 12: movable member
13: rolling member 14, 20, 30, 40: sensing member
14a, 20a, 30a, 40a: pressure sensor 14b, 20b, 30b, 40b: temperature sensor
21: shaft liner 22: outer nut
23: first ball 24: ball retainer
25, 34: screw 26: second ball
27, 52: return element 28, 323: anti-vibration assembly
31: linear rail body 32, 5: sliding seat
33, 36, 6: Ball 35: Power train
53: end cover assembly 54, 55, D1: anti-vibration member
111: guide groove 121: moving member body
122, 123: circulation member
141, 201, 301, 401: housing body
211: first outer ball groove 212: second inner ball groove
213: circulation passage 241: fixed support
251: second outer ball groove 271: return passage
311, 41: rail groove 321, 51: sliding seat body
324: external return groove 325: return hole passage
326: internal return groove 327: circulation element
329: oil supply cap 341: screw return groove
511: internal return groove 513, 513A: return hole passage
532: ball retainer 533: reinforcing member
541: third fastening structure 1211: concave groove
1212: internal rolling groove 5121: second fixing hole
AA, BB, CC, DD: Cutting line B: Base sheet
C: close coupling part D2: fixing member
F: Preload F1: Horizontal component
F2: vertical component H: hollow arch structure
IS: inner side O: through hole
OS: Outer side P7: Inner return passage
RP: Circulation Path S: Receiving Space
S1: first positioning unit S2: second positioning unit
T: top surface T1: spiral
X, Y, Z: direction

Claims (10)

In the smart linear mobile device,
a guide member having a guide groove;
It is slidingly installed on the guide member, and
An inner rolling groove corresponding to the guide groove is provided on the inside, the inner rolling groove and some of the guide grooves together constitute one inner rolling member passage, and further comprising a circulation passage corresponding to the inner rolling member passage a moving member including a moving member body;
at least two circulation members installed on the moving member body, each having a return passage, wherein the circulation passage, the inner rolling member passage, and the return passage form a single circulation passage;
a plurality of rolling members accommodated in the circulation path; and
Including a sensing member installed inside the guide member or the moving member,
The sensing member includes a housing body and at least one sensor,
The housing body is installed on the guide member or the moving member,
An accommodating space is provided inside the housing body,
A hollow arch-shaped structure is provided in the receiving space,
The hollow arcuate structure is interposed between both side walls of the housing body,
At least one sensor is installed in the hollow arcuate structure,
Smart linear movement device. The method of claim 1,
A ball screw, a rotary ball screw device, a uniaxial motion device, or a linear rail motion device,
Smart linear movement device. The method of claim 1,
The moving member body further includes at least two connecting portions, and the at least two circulation members are respectively connected to the at least two connecting portions of the moving member main body.
Smart linear movement device. The method of claim 1,
The at least two circulation members are installed on the same side or on the opposite side of the moving member,
Smart linear movement device. The method of claim 1,
The moving member or the guide member has at least one concave groove, and the sensing member is installed in the concave groove and closely coupled to the concave groove,
Smart linear movement device. The method of claim 1,
A plurality of the sensing members are installed at intervals to the guide member or the moving member,
Smart linear movement device. The method of claim 1,
The sensing member detects the preload generated by the rolling member with respect to the moving member body or the guide member,
Smart linear movement device. 8. The method of claim 7,
The preload includes a horizontal component parallel to the long axis direction of the guide member or the moving member, the at least one sensor includes a pressure sensor, and the pressure sensor is configured such that the horizontal component force is caused to the hollow arcuate structure. To obtain a pressure value by sensing deformation,
Smart linear movement device. The method of claim 1,
wherein the at least one sensor comprises a pressure sensor, a temperature sensor, or a vibration sensor,
Smart linear movement device. delete

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