CN214842881U - Alignment instrument - Google Patents
Alignment instrument Download PDFInfo
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- CN214842881U CN214842881U CN202120471295.6U CN202120471295U CN214842881U CN 214842881 U CN214842881 U CN 214842881U CN 202120471295 U CN202120471295 U CN 202120471295U CN 214842881 U CN214842881 U CN 214842881U
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- connecting rod
- meter
- alignment
- gauge
- rod
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Abstract
The utility model belongs to the technical field of alignment instruments and discloses an alignment instrument, which comprises a connecting gauge stand, a telescopic rod, a gauge stand supporting seat and three gauge stands; one side of the meter support seat is connected with the meter connecting seat through a telescopic rod, and the other side of the meter support seat is connected with the three meter supports; each meter bracket comprises a first connecting rod, a second connecting rod and a third connecting rod, and a meter bracket supporting seat is hinged with the first connecting rod; the first connecting rod and the second connecting rod are hinged through the connecting head; the central lines of the first connecting rod and the second connecting rod are not coaxial; the second connecting rod is hinged with the third connecting rod, and the measuring instrument is installed at the tail end of the third connecting rod. The two meter supports are used for measuring the axial direction, the one meter support is used for measuring the radial direction, and the three meter measurement is more accurate; the gauge stand support is designed to be rotatable along the gauge stand support seat, the gauge stand can rotate in all directions, the gauge head homoenergetic of the measuring instrument can be contacted on the measuring shaft under various conditions, and the measuring requirement is met.
Description
Technical Field
The utility model belongs to the technical field of the alignment instrument, a alignment appearance is related to.
Background
The alignment is one of the important work of machine installation, the purpose of the alignment is to enable the central lines of the two shafts of the driving shaft and the driven shaft to be on the same straight line when the machine works, and the accuracy of the alignment is related to whether the machine can normally run or not, and the alignment is particularly important for the machine running at high speed. Generally, a complete moving device is composed of two parts, namely a driving device and a driven device, the driven device is an actual acting device, the driving device is a device for driving the driven device to rotate, for example, a pump motor is a driving machine, a pump is a driven machine, whether the driving device and a main shaft of the driven device are in the same horizontal plane is directly related to whether the device can be normally used, the service life of the device is related, and the device alignment is to ensure the central lines of the two main shafts to be on the same horizontal line as much as possible from the two aspects of axial direction and radial direction so as to finish the transmission of mechanical energy.
At present, a driving machine and a driven machine find a central line of a main shaft, a single-meter support is adopted for alignment, the alignment process is complex, the installation of a meter frame is complex and tedious, errors exist in the installation process and are more, a dial indicator is installed on the meter frame, the meter frame is installed on an equipment main shaft and has contact points and more live points, data distortion cannot be found or found due to the fact that the installation is not in place or the installation is not firm in the alignment process is often caused, human influence factors are more, the large errors exist in the process of finding, the alignment accuracy of the central line of a driving shaft of the driving machine and a driven shaft of the driven machine is influenced, manual reading is adopted, and human reading errors exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that above-mentioned prior art exists, the utility model aims to provide an alignment appearance has solved the inaccurate problem of current list table support measured data.
The utility model discloses a realize through following technical scheme:
an alignment instrument comprises a connecting gauge stand, a telescopic rod, a gauge stand supporting seat and three gauge stands;
one side of the meter support seat is connected with the meter connecting seat through a telescopic rod, and the other side of the meter support seat is connected with the three meter supports;
each meter bracket comprises a first connecting rod, a second connecting rod and a third connecting rod, and a meter bracket supporting seat is hinged with the first connecting rod; the first connecting rod and the second connecting rod are hinged through the connectors, and the center lines of the first connecting rod and the second connecting rod are not coaxial; the second connecting rod is hinged with the third connecting rod, and the measuring instrument is installed at the tail end of the third connecting rod.
Furthermore, the telescopic rod comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, the inner wall of the outer cylinder is provided with symmetrical slideways, and the outer wall of the outer cylinder is fixed with fastening screws for fixing the inner cylinder and the outer cylinder.
Furthermore, the second connecting rod is articulated with the third connecting rod through a second universal joint.
Furthermore, the tail end of the third connecting rod is connected with a gauge stand head, and the tail end of the gauge stand head is connected with a measuring instrument through a bolt.
Further, the measuring instrument adopts a digital display dial indicator.
Further, the table frame supporting seat is fixedly connected with three switching poles, and the three switching poles correspond with three head rods and are connected.
Furthermore, the adapter rod is articulated with the first connecting rod through a first universal joint.
Furthermore, a magnetic switch is arranged on the meter support seat.
Further, the included angle between two adjacent watch brackets is 120 degrees.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses an alignment instrument, which comprises a connecting gauge stand, a telescopic rod, a gauge stand supporting seat and three gauge supports; each meter support comprises a first connecting rod, a second connecting rod and a third connecting rod which are hinged together, one side of a meter support seat is connected with a meter connecting seat through a telescopic rod, the other side of the meter support seat is hinged with the first connecting rod, the length of the telescopic rod can be freely adjusted in a telescopic mode according to the distance between a driving shaft and a driven shaft, and the problem that measurement cannot be carried out due to the fact that the distance between a driving machine and the end face of a main shaft of a driven machine is too short or too long is avoided; the first connecting rod and the second connecting rod are hinged through the connector, the second connecting rod can rotate 360 degrees according to actual conditions, the probe of the measuring instrument can be ensured to be in contact with the measuring shaft under any conditions, the central lines of the first connecting rod and the second connecting rod are not coaxial, the second connecting rod can rotate freely under the condition that the first connecting rod is not moved due to the staggered design, and the position of the measuring instrument can be positioned according to the actual conditions; the second connecting rod is hinged with the third connecting rod and can freely rotate along each direction, so that the probe of the measuring instrument can be further ensured to be contacted with the measuring shaft; a measuring instrument is arranged at the tail end of the third connecting rod, and the position of the measuring instrument can be freely adjusted according to the actual condition of the equipment; the utility model discloses an alignment appearance one end contains three table support, and three table support can guarantee according to actual conditions that the measuring instrument gauge outfit can contact on the measuring spindle, guarantees that the effectual contact of measuring instrument gauge outfit homoenergetic is on the main shaft of measurand under any circumstance, does not receive actual conditions's restraint completely, and measuring result is accurate.
Furthermore, the measuring instrument adopts a digital display dial indicator which can accurately read the displacement between the two main shafts of the equipment, the prior art is that data is manually read, a large error exists, the device reduces the reading error to the minimum, and the normal operation of the equipment is ensured to play a vital role.
Furthermore, the whole measuring instrument is adsorbed at one end of the measured shaft through the magnetic switch, the adsorption strength is high, the instrument is stable and does not have the shaking condition, and the measuring error caused by insecure connection is completely avoided.
Drawings
Fig. 1 is a schematic structural view of an alignment instrument of the present invention;
fig. 2 is a partially enlarged schematic view of a-a of fig. 1.
Wherein: the device comprises a meter base, an inner barrel, a magnetic switch, an outer barrel, a locking screw, a meter frame supporting seat, a meter frame head, a connecting rod, a first universal joint, a second universal joint, a connecting head, a second connecting rod, a second universal joint, a meter frame head, a meter, a fastening screw, a measuring instrument, a third connecting rod and a first connecting rod, wherein the meter base is 1, the inner barrel is 2, the magnetic switch is 3, the outer barrel is 4, the locking screw is 5, the meter frame supporting seat is 6, the switching rod is 7, the first universal joint is 8, the adjusting screw is 9, the connecting head is 10, the second connecting rod is 11, the second universal joint is 12, the meter frame head is 13, the fastening screw is 14, the measuring instrument is 15, the third connecting rod is 16 and the first connecting rod is 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1-2, the utility model discloses an alignment instrument, which comprises a connecting gauge stand 1, a telescopic rod, a gauge stand support seat 6 and three gauge supports; one side of the meter support seat 6 is connected with the meter support seat 1 through a telescopic rod, and the other side is connected with the three meter supports. Each meter bracket comprises a first connecting rod 17, a second connecting rod 11 and a third connecting rod 16, and the meter bracket supporting seat 6 is hinged with the first connecting rod 17; the first connecting rod 17 is hinged with the second connecting rod 11 through the connecting head 10; the center lines of the first connecting rod 17 and the second connecting rod 11 are not coaxial; the second connecting rod 11 is hinged with a third connecting rod 16, and a measuring instrument 15 is arranged at the tail end of the third connecting rod 16.
The utility model discloses a three table support, two table supports are used for measuring the axial, and a table support is used for measuring radially, and the final purpose of alignment is exactly in order to guarantee the concentricity of two axles, and two tables measurement axial can be more accurate. In order to prevent that three meter supports are not allowed to be uniformly distributed due to field conditions in actual operation, each meter support is designed to be rotatable along the meter support seat 6, the meter supports can be rotated in all directions, the meter heads of the measuring instruments 15 can be ensured to be contacted on the measuring shaft under various conditions, and measuring requirements are met.
As shown in fig. 2, three watch supports are uniformly distributed on one side of the watch support base 6, and the included angle between two adjacent watch supports is 120 °.
The central lines of the first connecting rod 17 and the second connecting rod 11 are not coaxial, and the second connecting rod 11 can rotate freely under the condition that the first connecting rod 17 is not moved due to the staggered design, so that the position of the measuring instrument 15 can be positioned according to actual conditions.
The connectors 10 of the first connecting rod 17 and the second connecting rod 11 are two hollow circular connectors, which are fastened by screwing the adjusting screw 9 through a long rod bolt passing through the two circular connectors.
Specifically, the telescopic rod comprises an inner cylinder 2 and an outer cylinder 4 sleeved outside the inner cylinder 2, the inner wall of the outer cylinder 4 is provided with symmetrical slideways, and the outer wall of the outer cylinder 4 is fixed with a fastening screw 14 for fixing the inner cylinder 2 and the outer cylinder 4. The telescopic rod is adjusted according to the connection length between the driving shaft and the driven shaft, and the device is suitable for field actual conditions.
More preferably, the meter stand supporting seat 6 is fixedly connected with three adapting rods 7, and the three adapting rods 7 are correspondingly connected with three first connecting rods 17. The adapter rod 7 is articulated with a first connecting rod 17 by a first universal joint 8.
Preferably, the second connecting rod 11 is hinged to the third connecting rod 16 through the second universal joint 12, so that the third connecting rod 16 can rotate freely relative to the second connecting rod 11, the position of the measuring instrument 15 can be adjusted flexibly, and the measuring instrument 15 can be positioned conveniently.
Specifically, the tail end of the third connecting rod 16 is connected with a gauge stand head 13, and the tail end of the gauge stand head 13 is connected with a dial indicator through a bolt, so that the measuring instrument 15 is convenient to disassemble and assemble.
Generally, the measuring instrument 15 adopts a digital display dial indicator, so that the precision is high and the measured data is accurate.
Preferably, the magnetic switch 3 is arranged on the connection meter seat 1, the principle is the same as that of the magnetic switch 3 of the previous meter support, namely, the connection meter seat is a permanent magnet, the magnetic poles of the permanent magnet are positioned on two sides of a plane, two semicircular magnetic conduction iron blocks are correspondingly arranged on the magnetic poles, the magnetic force lines of the permanent magnet can be adsorbed on a steel plate through the magnetic conduction iron blocks, and if the permanent magnet is rotated by 90 degrees (the magnetic conduction iron blocks are not moved), the magnetic force lines of the permanent magnet are in short circuit by the magnetic conduction iron blocks, namely, the permanent magnet can not be adsorbed on the driving shaft.
When the device is used, the connecting gauge stand 1 is contacted on a driving shaft, the magnetic switch 3 is rotated to an opening position, the high-strength magnet generates magnetic force and is firmly adsorbed on one side of the measuring shaft, then the three gauge supports are adjusted to be uniformly distributed on the gauge stand supporting seat 6, the first connecting rod 17, the second connecting rod 11, the third connecting rod 16 and the measuring instrument 15 of the two gauge supports are adjusted to enable two gauge heads of the measuring instrument 15 to be contacted on the other measuring shaft along the axial direction, the first connecting rod 17, the second connecting rod 11, the third connecting rod 16 and the measuring instrument 15 of the third gauge support are adjusted to enable the gauge head of the measuring instrument 15 to be contacted on the other measuring shaft along the radial direction, and after adjustment, the fastening screws 14 are screwed to ensure that the connecting parts are fastened without looseness.
After the alignment instrument is installed, the numerical values displayed by three measuring instruments 15 are recorded respectively, then the two main shafts are rotated to three states of 90 degrees, 180 degrees and 270 degrees simultaneously, the data displayed by the measuring instruments 15 in the states are recorded, the deviation of the height direction and the concentricity direction of the two main shafts is calculated after the recording is finished, and then the driving machine is lifted or lowered by adopting a method of increasing or reducing copper sheets below the driving machine until the concentricity of the main shaft of the driving machine and the main shaft of the driven machine reaches the range required by a manufacturing plant.
Claims (9)
1. An alignment instrument is characterized by comprising a connecting gauge stand (1), a telescopic rod, a gauge stand supporting seat (6) and three gauge supports;
one side of the meter frame supporting seat (6) is connected with the meter connecting seat (1) through a telescopic rod, and the other side of the meter frame supporting seat is connected with the three meter supports;
each meter bracket comprises a first connecting rod (17), a second connecting rod (11) and a third connecting rod (16), and the meter bracket supporting seat (6) is hinged with the first connecting rod (17); the first connecting rod (17) and the second connecting rod (11) are hinged through the connector (10), and the center lines of the first connecting rod (17) and the second connecting rod (11) are not coaxial; the second connecting rod (11) is hinged with a third connecting rod (16), and a measuring instrument (15) is installed at the tail end of the third connecting rod (16).
2. The alignment instrument according to claim 1, wherein the telescopic rod comprises an inner cylinder (2) and an outer cylinder (4) sleeved outside the inner cylinder (2), the inner wall of the outer cylinder (4) is provided with symmetrical slideways, and the outer wall of the outer cylinder (4) is fixed with a fastening screw (14) for fixing the inner cylinder (2) and the outer cylinder (4).
3. An alignment gauge according to claim 1, characterized in that the second connecting rod (11) is articulated to the third connecting rod (16) by means of a second universal joint (12).
4. An alignment gauge according to claim 1, characterized in that a frame head (13) is connected to the end of the third connecting rod (16), the frame head (13) being bolted to the measuring instrument (15) at the end.
5. An alignment gauge according to claim 1, characterized in that the measuring instrument (15) is a digital dial indicator.
6. The alignment apparatus as claimed in claim 1, wherein three adapter rods (7) are fixedly connected to the meter stand support base (6), and the three adapter rods (7) are correspondingly connected to the three first connecting rods (17).
7. An alignment gauge according to claim 6, characterized in that the adapter rod (7) is articulated to the first connecting rod (17) by means of a first universal joint (8).
8. An alignment gauge according to claim 1, characterized in that the meter stand support (6) is provided with a magnetic switch (3).
9. The alignment apparatus of claim 1 wherein the angle between adjacent watch supports is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471295.6U CN214842881U (en) | 2021-03-04 | 2021-03-04 | Alignment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471295.6U CN214842881U (en) | 2021-03-04 | 2021-03-04 | Alignment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214842881U true CN214842881U (en) | 2021-11-23 |
Family
ID=78884750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120471295.6U Active CN214842881U (en) | 2021-03-04 | 2021-03-04 | Alignment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214842881U (en) |
-
2021
- 2021-03-04 CN CN202120471295.6U patent/CN214842881U/en active Active
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