CN216049622U - Equal-height parallel detection device for large-span guide rail - Google Patents
Equal-height parallel detection device for large-span guide rail Download PDFInfo
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- CN216049622U CN216049622U CN202122216694.0U CN202122216694U CN216049622U CN 216049622 U CN216049622 U CN 216049622U CN 202122216694 U CN202122216694 U CN 202122216694U CN 216049622 U CN216049622 U CN 216049622U
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Abstract
The utility model discloses an equal-height parallel detection device for a large-span guide rail, which relates to the technical field of machine tool detection devices and comprises a first guide rail upright post, a first guide rail, a second guide rail upright post, a second guide rail, a first horizontal measurement device and a second horizontal measurement device; the second horizontal measuring device is used for detecting a second guide rail; one end of a second horizontal measuring device is arranged on the first guide rail, the other end of the second horizontal measuring device is arranged on the second guide rail, and the second horizontal measuring device is used for detecting the height difference between the first guide rail and the second guide rail; the distance measuring device is arranged at one end of the second horizontal measuring device, and the first horizontal measuring device and the second horizontal measuring device are arranged, so that whether the two guide rails are equal in height or not, whether the parallelism between the guide rails on the stand columns is qualified or not and whether the distance between the two stand columns meets the requirement can be accurately and efficiently detected at one time, and the detecting device is simple and convenient and easy to install; the data to be detected can be detected in place only by once installation.
Description
Technical Field
The utility model relates to the technical field of machine tool detection devices, in particular to a contour parallel detection device for a large-span guide rail.
Background
In the manufacturing field, large-scale processing equipment is generally needed for processing large-scale devices, and in order to realize high-precision processing, it is very important how to meet the requirements of the height of a large-span guide rail arranged on a machine tool, whether the parallelism is qualified or not, and the distance between two upright columns is qualified. In order to improve the measurement accuracy of the measured parallelism, a laser tracker is adopted to detect required data at present, so that the high-accuracy measurement of the parallelism of the guide rail can be realized, but the cost is higher; and whether equal height, whether the depth of parallelism is qualified, whether the interval of two stands meets the problem of requirement should be detected simultaneously to two guide rails, if can't once inspect and accomplish and adjust, detect the adjustment many times and can lead to the detection error increase certainly, reduce detection efficiency simultaneously.
The device for horizontally measuring the parallelism of the guide rails of the large-span machine tool, disclosed by Chinese patent CN102269561A, comprises a left guide rail slide block and a right guide rail slide block which are respectively matched with a left guide rail and a right guide rail, wherein a left connecting block and a right connecting block are respectively fixed on the left guide rail slide block and the right guide rail slide block, a laser flashlight is fixed on the right connecting block, an aligning block corresponding to the laser flashlight is arranged on the left connecting block, a laser aligning reference point is arranged on the aligning block, a high-precision steel ruler is connected between the left connecting block and the right connecting block through a steel wire and a tension spring, the indicating value part of the high-precision steel ruler is arranged in the middle of the right connecting block, and a reading reference line of the high-precision steel ruler is arranged on the right connecting block. The structure can only be used for detecting the parallelism between two guide rails, and the detection requirement of more complexity cannot be met.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model provides a device for detecting equal height and parallel of large-span guide rails, aiming at the defects in the prior art, and solving the problems that the existing detection means can not simultaneously detect whether the two guide rails are equal in height, whether the parallelism is qualified, and whether the distance between two stand columns meets the requirements, and the problems of low detection efficiency and low detection precision.
Second, technical scheme
In order to solve the technical problem, the utility model provides a high-parallel detection device for a large-span guide rail, which comprises a first guide rail upright post, a first guide rail, a second guide rail upright post, a second guide rail, a first horizontal measurement device and a second horizontal measurement device;
the first guide rail is arranged on a first guide rail upright post, the first guide rail is arranged on a second guide rail upright post, the first horizontal measuring device is arranged on the first guide rail, the second horizontal measuring device is arranged on the second guide rail, the first horizontal measuring device is used for detecting the first guide rail, and the second horizontal measuring device is used for detecting the second guide rail;
one end of the second horizontal measuring device is arranged on the first guide rail, the other end of the second horizontal measuring device is arranged on the second guide rail, and the second horizontal measuring device is used for detecting the height difference between the first guide rail and the second guide rail;
and one end of the second horizontal measuring device is provided with a distance measuring device, and the distance measuring device is used for detecting the distance from the end part of the second horizontal measuring device to a straight line parallel to the first guide rail or the second guide rail.
Wherein, the first level measurement device is provided with a horizontal level gauge and a vertical level gauge.
The first horizontal measuring device is arranged on the guide rail sliding blocks;
the second level measurement device comprises a detection tool and a middle level gauge arranged in the middle of the detection tool, and two ends of the detection tool are respectively installed on the guide rail sliding blocks.
The detection tool comprises a cross rod and cross rod driving devices located at two ends of the cross rod, the cross rod driving devices are arranged on the guide rail sliding blocks, and the cross rod driving devices comprise guide rods arranged in parallel with the guide rails and driving motors used for driving the cross rod to move along the guide rods.
The distance measuring device is an infrared distance measuring sensor or a dial indicator, and a stop block parallel to the first guide rail is arranged on the first guide rail stand column.
One end of the cross rod can slide left and right on the guide rail sliding block positioned on the first guide rail along the direction vertical to the first guide rail, and the other end of the cross rod is fixedly arranged with the guide rail sliding block positioned on the second guide rail.
The fixing plates are arranged at two ends of the cross rod respectively, at least one waist-shaped hole is formed in the fixing plates in the direction along the cross rod, the fixing plates are installed with screws of the cross rod driving device through the waist-shaped holes, and the screws which are located on one side of the first guide rail and used for installing the fixing plates are in a loosening state without being tightened.
Wherein, first level measurement device includes a marble ruler, and horizontal spirit level and vertical spirit level setting are at marble ruler upper portion.
Third, beneficial effect
Compared with the prior art, the equal-height parallel detection device for the large-span guide rail, provided by the utility model, can accurately and efficiently detect whether the two guide rails are equal in height, whether the parallelism between the guide rails on the stand columns is qualified and whether the distance between the two stand columns meets the requirement at one time through the arrangement of the first horizontal measurement device and the second horizontal measurement device, is simple and convenient to install, and has lower equipment detection cost compared with a laser tracker;
compared with the existing detection device, the device can solve the problems of precision detection and precision control in the installation process by only one tool, does not need to be disassembled and assembled back and forth, can detect all data to be detected in place by one-time installation, has small detection data error, and is convenient and quick;
meanwhile, a manual mode and an automatic mode can be adopted, and the application range is wider.
Drawings
FIG. 1 is a schematic view of a high-span rail equal-height parallel detection device according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of the portion C of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of a first leveling device according to the present invention;
in the figure: 1, 2 are guide rail upright posts; 3 is a first guide rail, 4 is a second guide rail; 5, 6 is a first level measuring device; 7 is a guide rail slide block; 8 is a second level measuring device; 11 is a marble flat ruler; 12 is a transverse level; 13 is a longitudinal level; 21 is a detection tool; 22 is an intermediate level; 23 is a distance measuring device; 24 is a cross bar; 26 is a fixed plate; and 27 is a kidney-shaped hole.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Example 1:
the equal-height parallel detection device for the large-span guide rail disclosed by the embodiment of the utility model comprises a first guide rail upright post 1, a second guide rail upright post 2, a first guide rail 3, a second guide rail 4, first horizontal measurement devices 5 and 6 and a second horizontal measurement device 8, as shown in figures 1-5;
the first guide rail 3 is arranged on the first guide rail upright post 1, the second guide rail 4 is arranged on the second guide rail upright post 2, the first horizontal measuring device 5 is arranged on the first guide rail 3, the second horizontal measuring device 8 is arranged on the second guide rail 4, the first horizontal measuring device 5 is used for detecting the first guide rail 3, and the second horizontal measuring device 8 is used for detecting the second guide rail 4, in the embodiment, the first guide rail 3 comprises two parallel rails arranged side by side, the second guide rail 4 also comprises two parallel rails arranged side by side, the first horizontal measuring devices 5 and 6 are provided with a transverse level gauge 12 and a longitudinal level gauge 13, the first guide rail 3 and the second guide rail 4 are also provided with a plurality of guide rail sliding blocks 7, and the first horizontal measuring devices 5 and 6 are arranged on the guide rail sliding blocks 7; specifically, the transverse level 12 is used for detecting whether the rail is horizontal in the transverse direction, the longitudinal level 13 is used for detecting whether the rail is horizontal in the longitudinal direction, and if the rail is not in the horizontal state, the first guide rail upright 1 and/or the second guide rail upright 2 are/is correspondingly adjusted, so that the absolute level of the first guide rail uprights 1 and 2 is ensured;
as shown in fig. 1, one end of the second leveling device 8 is disposed on the first guide rail 3, the other end of the second leveling device 8 is disposed on the second guide rail 4, the second leveling device 8 is configured to detect a height difference between the first guide rail 3 and the second guide rail 4, the height difference can reflect a height difference between the first guide rail upright 1 and the second guide rail upright 2, and if the height difference exists, the first guide rail upright 1 and/or the second guide rail upright 2 are/is correspondingly adjusted, so as to ensure the equal heights of the first guide rail uprights 1 and 2;
one end of the second horizontal measuring device 8 is provided with a distance measuring device 23, and the distance measuring device 23 is used for detecting the distance from the end part of the second horizontal measuring device 8 to a straight line parallel to the first guide rail 3 or the second guide rail 4; as shown in fig. 1, the second leveling device 8 includes a detection tool 21 and a middle level 22 disposed in the middle of the detection tool 21, the middle level 22 may also adopt the design of a horizontal level 12 and a vertical level 13, two ends of the detection tool 21 are respectively mounted on the rail slider 7, specifically, the detection tool 21 includes a cross bar 24, two ends of the cross bar 24 are respectively provided with a fixing plate 26, the fixing plate 26 is provided with at least one kidney-shaped hole 27 along the direction of the cross bar 24, the fixing plate 26 is directly mounted with a screw of the rail slider 7 through the kidney-shaped hole 27, and the screw located on one side of the first rail 3 for mounting the fixing plate 26 is in an untightened and relaxed state; at this time, the cross bar 24 is pushed to move, that is, when the guide rail sliders 7 on the first guide rail 3 and the second guide rail 4 are pushed to move, one end of the cross bar 24 can slide left and right on the guide rail sliders 7 on the first guide rail 3 in a direction perpendicular to the first guide rail 3, and the other end of the cross bar 24 is fixedly arranged with the guide rail sliders 7 on the second guide rail 4;
because the first guide rail 3 and the second guide rail 4 are not absolutely parallel, the cross bar 24 is completely fixed at one end of the second guide rail 4, and can move left and right at the other end of the first guide rail 3, so that the cross bar 24 can move left and right to some extent, which also indicates that the first guide rail 3 and the second guide rail 4 are not absolutely parallel, in the process, the cross bar 24 is required to be ensured to be in a parallel moving state, that is, in the initial state, the cross bar 24 and the second guide rail 4 are vertically arranged, and in the process that the cross bar 24 is in the parallel moving state, the vertical position relation of the cross bar 24 and the second guide rail 4 is unchanged;
the distance from the end of the crossbar 24 on the second leveling device 8 to a line parallel to the first guide rail 3 is detected by the distance measuring device 23, in this embodiment, as shown in fig. 1, one end of the crossbar 24 is disposed on the guide rail slider 7 on one track in the first guide rail 3, a stopper or a guide rail slider 7 or a long baffle on the other track in the first guide rail 3 is disposed parallel to the line of the first guide rail 3, specifically, the distance measuring device 23 employs an infrared distance measuring sensor or a dial indicator, the distance measuring device 23 is disposed at the end of the crossbar 24 (how to measure the distance by the dial indicator, which is not specifically developed in this embodiment), and the distance from the end of the crossbar 24 to the stopper or the guide rail slider 7 or the long baffle on the other track in the first guide rail 3 is L1, L2 … Ln; it is preset that the distance is L when there is no error, that is, the first guide rail 3 and the second guide rail 4 are completely parallel, so that in an actual test process, when the cross bar 24 is at different positions, the measured errors of the distance are Δ L1 and Δ L2 … Δ Ln, where Δ L1 is L1-L, Δ L2 is L2-L … Δ Ln is Ln-L (the calculated values are absolute values), if Δ Ln is less than or equal to 0.02mm, the parallelism between the first guide rail 3 and the second guide rail 4 meets the installation requirement, otherwise, Δ Ln is greater than 0.02mm, the first guide rail upright 1 and/or the second guide rail upright 2 are/is adjusted accordingly, and the value range of the parallelism is determined according to different actual situations according to the installation requirements of different machine tools.
First level measurement device 5, 6 include a marble ruler, and horizontal spirit level 12 and vertical spirit level 13 set up on marble ruler upper portion, adopt the marble ruler can guarantee horizontal spirit level 12 and vertical spirit level 13's stable the measuring.
Example 2:
compared with embodiment 1, in this embodiment, an electric structure is adopted, the detection tool 21 includes a cross bar 24 and cross bar driving devices located at two ends of the cross bar 24, the cross bar driving devices are arranged on the guide rail sliding blocks 7, in this embodiment, the guide rail sliding blocks 7 are directly fixed on the first guide rail 3 and the second guide rail 4 through screws or other modes, and move through a guide structure and a driving device of the cross bar driving devices, specifically, the cross bar driving devices include guide rods arranged in parallel with the first guide rail 3 and the second guide rail 4, and driving motors for driving the cross bar 24 to move along the guide rods; fixing plates 26 are respectively arranged at two ends of the cross rod 24, at least one waist-shaped hole 27 is formed in the fixing plates 26 in the direction along the cross rod 24, the fixing plates 26 are installed with screws of the cross rod driving device through the waist-shaped holes 27, the screws of the fixing plates 26 are located on one side of the first guide rail 3 and used for installing, are in a loosening state without being tightened, and compared with a manual mode of the comparison document 1, the electric mode of the embodiment is more accurate and efficient in detection.
Example 3:
a method for detecting the equal-height parallel of a large-span guide rail comprises the following steps:
1) the first leveling devices 5 and 6 are respectively arranged on the first guide rail 3 and the second guide rail 4, whether the first guide rail 3 and the second guide rail 4 are horizontal in the transverse direction and the longitudinal direction is detected through the transverse gradienter 12 and the longitudinal gradienter 13 on the first leveling devices 5 and 6, and if the first guide rail 3 and the second guide rail 4 are not horizontal, the first guide rail upright 1 and/or the second guide rail upright 2 are correspondingly adjusted:
2) arranging one end of a second horizontal measuring device 8 on the first guide rail 3, arranging the other end of the second horizontal measuring device 8 on the second guide rail 4, detecting whether the first guide rail 3 and the second guide rail 4 are at the same height through a middle level 22 arranged in the middle of the detection tool 21, and correspondingly adjusting the first guide rail upright 1 and/or the second guide rail upright 2 if the first guide rail 3 and the second guide rail 4 are not at the same height;
3) the transverse rod 24 on the detection tool 21 is driven to move along the directions of the first guide rail 3 and the second guide rail 4 in a manual or electric mode, the synchronous movement of the left end and the right end of the transverse rod 24 is ensured, and when the driving is carried out in an electric mode, the synchronous driving of the left end and the right end of the transverse rod 24 can be realized by controlling a driving motor;
4) then, the distance between the end of the second leveling device 8 and a straight line parallel to the first guide rail 3 is L1, L2 … Ln when the cross bar 24 is measured at different positions by the distance measuring device 23 arranged at one end of the second leveling device 8; presetting that under the condition of no error, the first guide rail 3 and the second guide rail 4 are completely parallel, the distance from the end part of the second leveling device 8 to a straight line parallel to the first guide rail 3 is always L, the cross bar 24 is at different positions, the errors between the first guide rail 3 and the second guide rail 4 are delta L1 and delta L2 … delta Ln, if the delta Ln is less than or equal to 0.02mm, the parallelism between the first guide rail 3 and the second guide rail 4 meets the installation requirement, otherwise, the delta Ln is more than 0.02mm, and correspondingly adjusting the first guide rail upright 1 and/or the second guide rail upright 2.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (8)
1. The device for detecting the equal-height parallel of the large-span guide rail is characterized by comprising a first guide rail upright post (1), a second guide rail upright post (2), a first guide rail (3), a second guide rail (4), first horizontal measuring devices (5, 6) and a second horizontal measuring device (8);
the first guide rail (3) is arranged on the first guide rail upright post (1), the second guide rail (4) is arranged on the second guide rail upright post (2), the first horizontal measuring device (5) is arranged on the first guide rail (3), the second horizontal measuring device (8) is arranged on the second guide rail (4), the first horizontal measuring device (5) is used for detecting the first guide rail (3), and the second horizontal measuring device (8) is used for detecting the second guide rail (4);
one end of the second horizontal measuring device (8) is arranged on the first guide rail (3), the other end of the second horizontal measuring device (8) is arranged on the second guide rail (4), and the second horizontal measuring device (8) is used for detecting the height difference between the first guide rail (3) and the second guide rail (4);
one end of the second horizontal measuring device (8) is provided with a distance measuring device (23), and the distance measuring device (23) is used for detecting the distance from the end part of the second horizontal measuring device (8) to a straight line parallel to the first guide rail (3) or the second guide rail (4).
2. The contour parallelism detection apparatus for a long-span guideway according to claim 1, characterized in that the first leveling device (5, 6) is provided with a transverse level (12) and a longitudinal level (13).
3. The contour and parallelism detection device for the large-span guide rail according to claim 1, wherein a plurality of guide rail sliding blocks (7) are further arranged on the first guide rail (3) and the second guide rail (4), and the first leveling devices (5, 6) are installed on the guide rail sliding blocks (7);
the second horizontal measuring device (8) comprises a detecting tool (21) and a middle level gauge (22) arranged in the middle of the detecting tool (21), and two ends of the detecting tool (21) are respectively installed on the guide rail sliding blocks (7).
4. The equal-height parallel detection device for the large-span guide rail according to claim 3, wherein the detection tool (21) comprises a cross bar (24) and cross bar driving devices positioned at two ends of the cross bar (24), the cross bar driving devices are arranged on the guide rail sliding blocks (7), and each cross bar driving device comprises a guide rod arranged in parallel with the first guide rail (3) and the second guide rail (4) and a driving motor used for driving the cross bar (24) to move along the guide rod.
5. The device for detecting the equal height parallel of the large-span guide rail according to claim 3, wherein the distance measuring device (23) is an infrared distance measuring sensor or a dial indicator, and the first guide rail upright post (1) is provided with a stop block arranged in parallel with the first guide rail (3).
6. The device for detecting the equal height and the parallel of the large-span guide rail according to claim 4, wherein one end of the cross bar (24) can slide on the guide rail slide block (7) on the first guide rail (3) in the direction perpendicular to the first guide rail (3) left and right, and the other end of the cross bar (24) is fixedly arranged with the guide rail slide block (7) on the second guide rail (4).
7. The device for detecting the equal height and the parallel of the large-span guide rail according to claim 6, wherein the two ends of the cross bar (24) are respectively provided with a fixing plate (26), the fixing plate (26) is provided with at least one waist-shaped hole (27) along the direction of the cross bar (24), the fixing plate (26) is screwed with the cross bar driving device through the waist-shaped hole (27), and the screw which is positioned at one side of the first guide rail (3) and used for mounting the fixing plate (26) is in an untightened and relaxed state.
8. The contour parallelism detection apparatus for a long-span guide rail according to claim 2, characterized in that said first leveling device (5, 6) comprises a marble flat (11), and the transverse level (12) and the longitudinal level (13) are disposed above the marble flat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216694.0U CN216049622U (en) | 2021-09-14 | 2021-09-14 | Equal-height parallel detection device for large-span guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216694.0U CN216049622U (en) | 2021-09-14 | 2021-09-14 | Equal-height parallel detection device for large-span guide rail |
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| Publication Number | Publication Date |
|---|---|
| CN216049622U true CN216049622U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122216694.0U Active CN216049622U (en) | 2021-09-14 | 2021-09-14 | Equal-height parallel detection device for large-span guide rail |
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| CN (1) | CN216049622U (en) |
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2021
- 2021-09-14 CN CN202122216694.0U patent/CN216049622U/en active Active
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