CN111981959A - Long axis straightness detection device - Google Patents

Abstract

The invention provides a long-axis straightness detection device, comprising a first base, a first lead screw, a first guide rod, a second base and a measuring box, one end of the first lead screw and the end of the first guide rod One end is connected to the upper end of the first base, the other end of the first lead screw and the other end of the first guide rod are both connected to the lower end of the second base, and adjusting the first lead screw can The second base is moved relative to the first base, the first guide rod can provide guidance when the second base moves relative to the first base, and the upper end of the second base is connected to the measurement box connected, the measuring box can detect the straightness of the long axis. The detection device has low operation difficulty, simple operation, low safety risk, and saves maintenance costs.

Description

Long axis straightness detection device

technical field

The invention relates to the field of metallurgical equipment, mainly to the field of transmission equipment detection, in particular to a long-axis straightness detection device.

Background technique

In metallurgical production, many equipments are driven by long shafts, especially on the rolling line. With the increase of rolling specifications, the size of the equipment is also getting larger and larger. Therefore, it is necessary to design a device that can detect the long axis conveniently and quickly.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a long-axis straightness detection device, which realizes the rapid detection of the long-axis straightness and improves the detection accuracy.

In order to achieve the above object, the present invention provides the following technical solutions:

A long-axis straightness detection device, comprising a first base, a first lead screw, a first guide rod, a second base and a measuring box, and one end of the first lead screw and one end of the first guide rod are connected with the The upper end of the first base is connected, and the other end of the first lead screw and the other end of the first guide rod are both connected to the lower end of the second base. Adjusting the first lead screw can make the The second base moves relative to the first base, the first guide rod can provide guidance when the second base moves relative to the first base, and the upper end of the second base is connected to the measurement box, so The measuring box is capable of detecting the straightness of the long axis.

Further, in the above-mentioned long-axis straightness detection device, the detection device further includes a second lead screw, one end of the second lead screw is connected to the upper end of the second base, and the second lead screw has a The other end is connected with the measuring box, and adjusting the second lead screw can make the measuring box move relative to the second base, preferably, it also includes a track, the lower end of the first base is connected with a roller, the The roller can slide on the rail, and the longitudinal direction of the rail is parallel to the axial direction of the long axis.

Further, in the above-mentioned long-axis straightness detection device, the measurement box includes a third base, a third lead screw, a spacing adjustment plate and a detection head, the third base and the other end of the second lead screw. One end of the third lead screw is connected to the third base, the other end of the third lead screw passes through the distance adjustment plate, and the detection head is connected to the distance adjustment plate to adjust the The third lead screw can move the distance adjusting plate relative to the third base.

Further, in the above-mentioned long-axis straightness detection device, the measurement box further includes a fourth base and a fourth lead screw, the detection head is connected to one end of the fourth lead screw, and the fourth lead screw The other end of the fourth base is connected to one end of the fourth base, and the other end of the fourth base is connected to the spacing adjustment plate, and adjusting the fourth lead screw can make the detection head move relative to the fourth base.

Further, in the above-mentioned long-axis straightness detection device, the measuring box further includes an elastic member, two ends of the elastic member are respectively connected with the fourth base and the spacing adjustment plate, and the elastic member has two ends. The telescopic direction is parallel to the longitudinal direction of the detection head.

Further, in the above-mentioned long-axis straightness detection device, the measuring box further comprises a frame, a second guide rod, a ruler and a pointer, and two ends of the second guide rod are respectively connected with the fourth base and the The distance adjustment plate is connected, the second guide rod can provide guidance when the fourth base moves relative to the distance adjustment plate, the frame includes three side walls connected with each other, the upper end, the lower end of the frame and a The side ends are all open, the open side end is connected to the third base, the spacing adjustment plate is located in the frame, the scale is arranged on one side wall of the frame, and one end of the pointer is connected to the frame. The fourth base is connected, and the other end of the pointer is in contact with the scale.

Further, in the above-mentioned long-axis straightness detection device, the longitudinal direction of the scale is parallel to the longitudinal direction of the detection head.

Further, in the above-mentioned long-axis straightness detection device, the pointer includes a horizontal segment and a vertical segment, one end of the horizontal segment is connected to the fourth base, and the other end of the horizontal segment is connected to the vertical segment. The lower end of the straight section is connected, and the upper end of the vertical section is connected with the scale.

Further, in the above-mentioned long-axis straightness detection device, the length direction of the scale is perpendicular to the length direction of the vertical section.

Further, in the above-mentioned long-axis straightness detection device, the longitudinal direction of the scale is perpendicular to the axial direction of the long-axis.

Analysis shows that the present invention discloses a long axis straightness detection device. When the detection device is in use, the long axis is first placed on the bracket, and then the detection device is placed on one side of the bracket and the track is aligned with the axis of the long axis. keep parallel. The height of the measuring box is roughly adjusted by the first lead screw, and the height of the measuring box is finely adjusted by the second lead screw, so that the height of the detection head is consistent with the height of the long axis to be detected. Adjust the distance between the detection head and the long axis through the third lead screw, and finally make the detection head contact one end of the long axis and keep the spring with a certain pressure on the detection head, and finally adjust the fourth lead screw to make the pointer and the scale on the ruler A tick is aligned, and that tick is recorded. After the above steps are completed, the detection device is moved from one end of the long axis to the other end of the long axis. During the movement of the detection device, the pointer moves with the detection head, and the scale does not move with the detection head, and the scale shows that the pointer points to The change of the value of , can detect the change of axial straightness. At this time, record the pointer at the position of the scale on the scale, and then continue to move the detection device until it moves to the other end of the long axis to complete the detection of the straightness of the long axis.

The detection device has low operation difficulty, simple operation, low safety risk, and saves maintenance costs.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. in:

FIG. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of an embodiment of the present invention.

FIG. 3 is a left-side structural schematic diagram of FIG. 2 .

FIG. 4 is a schematic three-dimensional structural diagram of a device in cooperation with a long axis according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of the structure of the device and the long shaft in cooperation with one embodiment of the present invention.

FIG. 6 is a schematic diagram of the left side view of FIG. 5 .

FIG. 7 is a schematic three-dimensional structure diagram of a measuring box according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a measuring box according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of the rear view of FIG. 8 .

FIG. 10 is a schematic top view of the structure of FIG. 8 .

Description of reference numerals: 1 long axis; 2 bracket; 3 track; 4 first base; 5 roller; 6 first lead screw; 7 first guide rod; 8 second base; 9 second lead screw; 10 measuring box; 11 The third base; 12 The third lead screw; 13 Spacing adjustment plate; 14 Detection head; 15 The fourth base; 16 The fourth lead screw; 17 Elastic part; 18 Frame; 19 The second guide rod; 211 horizontal section; 212 vertical section.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. The various examples are provided by way of explanation of the invention and do not limit the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield yet another embodiment. Therefore, it is intended that the present invention embrace such modifications and variations as come within the scope of the appended claims and their equivalents.

In the description of the present invention, the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top" and "bottom" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the present invention. The terms "connected", "connected" and "arranged" used in the present invention should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected through intermediate components; it can be It is a wired electrical connection, a radio connection, or a wireless communication signal connection. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

One or more examples of the invention are shown in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or like reference numerals have been used in the drawings and description to refer to like or analogous parts of the invention. As used herein, the terms "first," "second," "third," and "fourth" are used interchangeably to distinguish one element from another and are not intended to denote individual elements location or importance.

As shown in FIGS. 1 to 10 , according to an embodiment of the present invention, a long-axis straightness detection device is provided, as shown in FIGS. 1 to 3 , comprising a first base 4 , a first lead screw 6 , a first The guide rod 7, the second base 8, the second lead screw 9 and the measuring box 10, the first lead screw 6 and the first guide rod 7 are vertically arranged between the first base 4 and the second base 8, and the first lead screw 6 and the first guide rod 7 are vertically arranged between the first base 4 and the second base 8. The axial direction of the rod 6 is parallel to the axial direction of the first guide rod 7, one end of the first lead screw 6 and one end of the first guide rod 7 are connected to the upper end of the first base 4, and the other end of the first lead screw 6 is connected to the upper end of the first base 4. The other end of the first guide rod 7 is connected to the lower end of the second base 8 . Adjusting the first lead screw 6 can make the second base 8 move relative to the first base 4 , and the first guide rod 7 can move relative to the first base 8 on the second base 8 . A base 4 provides guidance when moving. One end of the second lead screw 9 is connected to the upper end of the second base 8, and the other end of the second lead screw 9 is connected to the measuring box 10. Adjusting the second lead screw 9 can make the measuring box 10 face each other. The second base 8 moves. The measuring box 10 can detect the straightness of the long axis 1 .

The first lead screw 6 is a coarse adjustment lead screw, the first lead screw 6 is capable of coarsely adjusting the height of the measuring box 10, the second lead screw 9 is a fine adjustment lead screw, and the second lead screw 9 is capable of adjusting the height of the measuring box 10. Fine adjustment, respectively adjusting the first lead screw 6 and the second lead screw 9 can make the height of the measuring box 10 reach the height for measuring the straightness of the long axis 1 .

Further, as shown in FIG. 4 to FIG. 6 , a track 3 is also included, and the lower end of the first base 4 is connected with a roller 5, the roller 5 can slide on the track 3, and the track 3 is arranged on the ground on one side of the long axis 1, The longitudinal direction of the rail 3 is parallel to the axial direction of the long axis 1 . When the detection device is in use, the distance between the two ends of the rail 3 and the brackets 2 on both sides is kept the same, so that the rail 3 is parallel to the axial direction of the long axis 1 . The sliding of the roller 5 on the track 3 can make the first base 4 move along the axial direction of the long axis 1, and the movement of the first base 4 can drive the second base 8 and the measuring box 10 to move, and the measuring box 10 can move along the axis of the long axis 1 through the measuring box 10. The straightness of the long axis 1 can be detected by moving in the direction. This arrangement can facilitate the detection of the straightness of the long axis 1 .

Further, as shown in FIGS. 7 to 10 , the measurement box 10 includes a third base 11 , a third lead screw 12 , a spacing adjustment plate 13 and a detection head 14 , and the third base 11 is connected to the other end of the second lead screw 9 . , the third screw 12 is a fine-tuning screw, the third screw 12 is arranged horizontally, one end of the third screw 12 is connected to the third base 11, the other end of the third screw 12 passes through the spacing adjustment plate 13, and the detection head 14 Connected to the spacing adjusting plate 13, adjusting the third lead screw 12 can make the spacing adjusting plate 13 move relative to the third base 11, that is, by fine-tuning the third lead screw 12, the spacing adjusting plate 13 can be moved closer to or away from the lateral direction The lateral movement of the third base 11 and the spacing adjustment plate 13 can drive the detection head 14 to move laterally. When the straightness of the long axis 1 is detected, the distance between the detection head 14 and the surface of the long axis 1 can be adjusted by fine adjustment of the third lead screw 12 , and the detection head 14 can be brought into contact with the surface of the long axis 1 .

Further, the measuring box 10 further includes a fourth base 15 and a fourth lead screw 16, the detection head 14 is connected to one end of the fourth lead screw 16, the other end of the fourth lead screw 16 is connected to one end of the fourth base 15, and the first The other ends of the four bases 15 are connected to the spacing adjustment plate 13 , and the detection head 14 can move relative to the fourth base 15 by adjusting the fourth lead screw 16 .

Further, the measuring box 10 further includes an elastic member 17 , two ends of the elastic member 17 are respectively connected to the fourth base 15 and the spacing adjustment plate 13 , and the extension and contraction direction of the elastic member 17 is parallel to the length direction of the detection head 14 . The elastic member 17 can be a spring. When the straightness of the long axis 1 is detected, the elastic member 17 can provide pressure to the detection head 14 so that the detection head 14 is always in contact with the surface of the long axis 1 during the movement. In order to ensure that the elastic member 17 plays its role, its expansion and contraction direction is parallel to the longitudinal direction of the detection head 14 . After the elastic member 17 is installed, the detection head 14 will always keep in close contact with the surface of the long axis 1 due to the elastic potential energy of the elastic member 17 , so as to ensure the accuracy of the straightness detection of the long axis 1 .

Further, the measuring box 10 further includes a frame 18, a second guide rod 19, a scale 20 and a pointer 21. Both ends of the second guide rod 19 are respectively connected with the fourth base 15 and the spacing adjustment plate 13. The second guide rod 19 can Provide guidance when the fourth base 15 moves relative to the distance adjusting plate 13 , the frame 18 includes three interconnected side walls, the upper end, the lower end and one side end of the frame 18 are all open, and the open side end is connected with the third base 11 , the spacing adjustment plate 13 is located in the frame 18, the ruler 20 is arranged on one side wall of the frame 18, one end of the pointer 21 is connected with the fourth base 15, the other end of the pointer 21 is in contact with the ruler 20, and the ruler 20 is provided with a scale, The division value of the scale 20 is in millimeters. When the detection device detects the straightness of the long axis 1, the pointer 21 is first pointed to a scale of the scale 20. When the detection head 14 moves along the axial direction of the long axis 1, the reading of the pointer 21 on the scale 20 follows the detection. The movement of the head 14 produces changes, and the straightness of the long axis 1 can be obtained by recording the reading of the pointer 21 on the scale 20 .

Further, the longitudinal direction of the scale 20 is parallel to the longitudinal direction of the detection head 14 .

The pointer 21 includes a horizontal section 211 and a vertical section 212. One end of the horizontal section 211 is connected to the fourth base 15, the other end of the horizontal section 211 is connected to the lower end of the vertical section 212, and the upper end of the vertical section 212 is connected to the ruler 20. .

The length direction of the ruler 20 is perpendicular to the length direction of the vertical section 212 .

The longitudinal direction of the scale 20 is perpendicular to the axial direction of the long axis 1 . The ruler 20 is installed on the detection box 10, the pointer 21 is installed on the fourth base 15 connected with the detection head 14, the pointer 21 moves with the detection head 14, the ruler 20 does not move with the detection head 14, and the pointer 21 points to the reading on the ruler 20 The difference is used to represent the change of the axial straightness of the long axis 1.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

When the detection device is in use, the long axis 1 is first placed on the bracket 2 , then the detection device is placed on one side of the bracket 2 and the track 3 is kept parallel to the axial direction of the long axis 1 . The height of the measuring box 10 is roughly adjusted by the first lead screw 6 , and the height of the measuring box 10 is finely adjusted by the second lead screw 9 , so that the height of the detection head 14 is consistent with the height of the long axis 1 to be detected. The distance between the detection head 14 and the long axis 1 is adjusted by the third lead screw 12, and finally the detection head 14 is in contact with one end of the long axis 1 and the spring maintains a certain pressure on the detection head 14. Finally, by adjusting the fourth lead screw 16 Align the pointer 21 with a graduation on the scale 20 and record the graduation. After completing the above steps, the detection device is moved from one end of the long axis 1 to the other end of the long axis 1. During the movement of the detection device, the pointer 21 moves with the detection head 14, and the scale 20 does not move with the detection head 14. The change of the value pointed by the pointer 21 on the scale 20 can detect the change of the axial straightness. At this time, record the pointer 21 at the position of the scale on the scale 20, and then continue to move the detection device until it moves to the other end of the long axis 1 , to complete the detection of the straightness of the long axis 1.

The detection device has low operation difficulty, simple operation, low safety risk, and saves maintenance costs.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A long-axis straightness detection device is characterized in that, comprising a first base, a first lead screw, a first guide rod, a second base and a measuring box, One end of the first lead screw and one end of the first guide rod are both connected to the upper end of the first base, and the other end of the first lead screw and the other end of the first guide rod are both connected to the upper end of the first base. The lower end of the second base is connected, the second base can be moved relative to the first base by adjusting the first lead screw, and the first guide rod can be moved relative to the first base on the second base provide guidance, The upper end of the second base is connected to the measuring box, and the measuring box can detect the straightness of the long axis. 2. The long-axis straightness detection device according to claim 1, characterized in that, The detection device further includes a second lead screw, one end of the second lead screw is connected with the upper end of the second base, and the other end of the second lead screw is connected with the measurement box, and the second lead screw is adjusted. The lead screw can move the measuring box relative to the second base, Preferably, it also includes a track, the lower end of the first base is connected with a roller, and the roller can slide on the track, The longitudinal direction of the rail is parallel to the axial direction of the long axis. 3. The long-axis straightness detection device according to claim 2, characterized in that, The measuring box includes a third base, a third lead screw, a spacing adjustment plate and a detection head, the third base is connected to the other end of the second lead screw, and one end of the third lead screw is connected to the first lead screw. The three bases are connected, the other end of the third lead screw passes through the distance adjustment plate, the detection head is connected with the distance adjustment plate, Adjusting the third lead screw can make the distance adjustment plate move relative to the third base. 4. The long-axis straightness detection device according to claim 3, characterized in that, The measuring box also includes a fourth base and a fourth lead screw, the detection head is connected with one end of the fourth lead screw, and the other end of the fourth lead screw is connected with one end of the fourth base, so The other end of the fourth base is connected with the spacing adjustment plate, Adjusting the fourth lead screw enables the detection head to move relative to the fourth base. 5. The long-axis straightness detection device according to claim 4, characterized in that, The measuring box further includes an elastic piece, two ends of the elastic piece are respectively connected with the fourth base and the distance adjusting plate, and the extension and contraction direction of the elastic piece is parallel to the length direction of the detection head. 6. The long-axis straightness detection device according to claim 4, characterized in that, The measuring box further includes a frame, a second guide rod, a ruler and a pointer, two ends of the second guide rod are respectively connected with the fourth base and the spacing adjustment plate, and the second guide rod can be positioned at any position. The fourth base provides guidance when moving relative to the spacing adjustment plate, The frame includes three mutually connected side walls, the upper end, the lower end and one side end of the frame are all open, the open side end is connected with the third base, and the distance adjusting plate is located in the frame, The scale is arranged on one side wall of the frame, One end of the pointer is connected with the fourth base, and the other end of the pointer is in contact with the scale. 7. The long-axis straightness detection device according to claim 6, characterized in that, The longitudinal direction of the scale is parallel to the longitudinal direction of the detection head. 8. The long-axis straightness detection device according to claim 6, characterized in that, The pointer includes a horizontal section and a vertical section, one end of the horizontal section is connected with the fourth base, the other end of the horizontal section is connected with the lower end of the vertical section, and the upper end of the vertical section is connected in contact with the ruler. 9. The long-axis straightness detection device according to claim 8, characterized in that, The length direction of the scale is perpendicular to the length direction of the vertical section. 10. The long-axis straightness detection device according to claim 6, wherein, The length direction of the scale is perpendicular to the axial direction of the long axis.

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