CN111412932B - Special adjusting device and adjusting method suitable for multi-type buffer base - Google Patents
Special adjusting device and adjusting method suitable for multi-type buffer base Download PDFInfo
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- CN111412932B CN111412932B CN202010364380.2A CN202010364380A CN111412932B CN 111412932 B CN111412932 B CN 111412932B CN 202010364380 A CN202010364380 A CN 202010364380A CN 111412932 B CN111412932 B CN 111412932B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
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Abstract
The invention relates to a special adjusting device and an adjusting method suitable for a multi-type buffer base, wherein the device comprises a device base, a positioning backup plate, a vertical strut, a transverse supporting rod, a vertical measuring rod, a transverse measuring rod, a first measuring head and a second measuring head; the two measuring heads are hemispherical measuring head structures, the spherical surface of the first measuring head is a measuring surface in contact with the outer peripheral surface of the buffer base mounting plate, and the spherical surface of the second measuring head is a measuring surface in contact with the mounting surface of the buffer base mounting plate. The method comprises the following steps: s1, calibrating four sets of special adjusting devices; and S2, adjusting the buffer base by using the four groups of special adjusting devices for calibration. The special adjusting device is simple in structure, convenient to use, applicable to adjustment of various types of buffer bases, simple to operate, capable of being adjusted visually, free of repeated measurement, capable of improving adjusting efficiency and wide in application range.
Description
Technical Field
The invention belongs to the technical field of part assembly process research in machine manufacturing, relates to an installation and adjustment technology of a buffer base of an inertial navigation platform, and particularly relates to a special adjustment device and an adjustment method suitable for a multi-type buffer base.
Background
The buffer base is a buffer device of the inertial navigation platform and comprises a base 102, a mounting plate 101 and a plurality of shock insulators for connecting the base and the mounting plate, wherein the upper end surface of the mounting plate is a mounting surface. The buffer base is located below the inertia platform and fixed by bolts, and has the function of ensuring that the inertia platform can meet the requirement on shock resistance and vibration resistance and continuously and effectively work.
The buffer base needs to adjust 12 or 6 separating dashes ware after the assembly, and the technical requirement that the installation board and the base axiality be 0.5mm, installation face and base depth of parallelism be 0.06mm need be satisfied after the adjustment, under guaranteeing parallel precision and coaxial precision requirement condition, need guarantee that the adjustment is convenient, simple structure, good reliability, processing low in manufacturing cost, the commonality is good.
In the field of mechanical assembly, due to the particularity of certain structures, the components need to be adjusted by utilizing the change of the numerical value of a lever meter when the components are assembled and adjusted. But the adjustment of the buffer base by using the lever meter has the following disadvantages: the coaxial and parallel measurements are required to be performed once for each adjustment of the impact isolator, which is time consuming.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the special adjusting device and the special adjusting method suitable for the multi-type buffer base.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an adjustment isolated plant suitable for polytype buffering base which characterized in that: the device comprises a device base, a positioning backup plate, a vertical strut, a transverse support rod, a vertical measuring rod, a transverse measuring rod, a first measuring head and a second measuring head; the two measuring heads are of hemispherical measuring head structures, the spherical surface of the first measuring head is a measuring surface in contact with the peripheral surface of the mounting plate of the buffer base, and the spherical surface of the second measuring head is a measuring surface in contact with the mounting surface of the mounting plate of the buffer base;
the positioning backup plate is fixedly arranged on the device base at a position close to the bottom in a left-right direction adjustable mode; two inclined planes are symmetrically arranged at the front and the back of the left end of the positioning backup plate to form a V-shaped positioning surface which is in contact with the outer circular surface of the base of the buffer base;
the lower end part of the vertical strut is fixedly connected with the device base, the right end part of the transverse support rod is fixedly connected with the upper end part of the vertical strut, the position of the vertical support rod close to the upper end part is fixedly connected with the transverse support rod, the transverse measurement rod is arranged on the vertical support rod in a penetrating mode in the left-right direction and close to the lower end part, the first measuring head is fixedly arranged at the left end of the transverse measurement rod, the right end of the transverse measurement rod is provided with a first anti-falling stopper, the transverse measurement rod is sleeved with a first pressure spring, and two ends of the first pressure spring are respectively in pressing contact with the right end surface of the first measuring head and the left side of the vertical support rod;
the vertical measuring rod is movably arranged on the transverse supporting rod in the vertical direction in a penetrating way and is arranged outside the left side of the vertical supporting rod in parallel; the second measuring head is fixedly arranged at the lower end of the vertical measuring rod, and the second anti-falling part is arranged at the upper end of the vertical measuring rod; and a second pressure spring is sleeved on the vertical measuring rod, and two ends of the second pressure spring are respectively in pressing contact with the upper end surface of the first measuring head and the lower end of the transverse supporting rod.
Further: the device is characterized in that a backup plate slot along the left-right direction is formed in the position, close to the bottom, of the device base, the positioning backup plate is inserted into the backup plate slot, a screw hole communicated with the backup plate slot is formed in the bottom of the device base, and a positioning screw for compressing the positioning backup plate is installed in the screw hole to fix the positioning backup plate on the device base.
Further: the first anti-dropping stopper and the second anti-dropping stopper are both locknuts and are respectively fastened and connected with the corresponding measuring rods through threads.
An adjusting method suitable for a multi-type buffer base is characterized in that the adjusting special device is adopted, the number of the adjusting special device is four, and the adjusting steps are as follows:
s1 calibration four-set adjustment special device
Respectively leaning V-shaped positioning surfaces of positioning backup plates of four sets of special adjusting devices on the circumferential surface of a bottom plate of the calibrating device, respectively enabling corresponding measuring heads to be in contact with the upper end surface of a top plate of the calibrating device and the outer side arc surface of the top plate by adjusting transverse and longitudinal displacements of two measuring rods, and marking lines at the right side intersection position of the transverse measuring rod and the vertical supporting rod and the upper end intersection position of the vertical measuring rod and the transverse supporting rod; the calibration device is composed of a bottom plate, a fixed plate and a vertical connecting column arranged between the bottom plate and the fixed plate, and the coaxiality and parallelism of the bottom plate and the top plate meet the technical requirements of the buffer base;
s2, adjusting the buffer base by using the calibrated four groups of special adjusting devices
Distributing four sets of calibrated special adjusting devices around a buffer base placed on a flat plate according to 90 degrees, so that V-shaped positioning surfaces of bases of the four devices are in close contact with an outer circular surface of a base of the buffer base;
and then observing the transverse displacement of the transverse measuring rod and the vertical displacement of the vertical measuring rod, determining the telescopic amount of 6 or 12 shock isolators on the buffer base to be adjusted, enabling the measuring rod to meet the requirement of marking the reticle by adjusting the telescopic amount of the 6 or 12 shock isolators, and enabling the parallelism between the mounting surface and the base to reach the technical requirement of 0.06mm after the buffer base is adjusted, and enabling the coaxiality of the base and the mounting plate to meet the technical requirement of 0.5 mm.
The invention has the advantages and positive effects that:
1. the V-shaped locating surface on the locating backup plate of the special adjusting device is in contact with the outer peripheral surface of the base of the buffering base to achieve locating, the outer peripheral surface of the mounting plate of the buffering base is in contact with the outer peripheral surface of the first measuring head to achieve detection of coaxiality of the base and the mounting plate, and the mounting plate of the second measuring head is in mounting surface contact with the buffering base to achieve detection of parallelism of the base and the mounting plate, and the special adjusting device has the advantage of being convenient to use.
2. This adjustment isolated plant's location backup plate is fixed on the device base with the mode of following left right direction adjustable, position about through changing the location backup plate, can change the position of V type locating surface, in addition install first pressure spring because of on the horizontal measuring stick, horizontal measuring stick can realize the positioning along with the diameter change automation of buffering base, consequently, this adjustment isolated plant can be used to the adjustment of the buffering base of different diameters size and use, in addition, install the second pressure spring on the vertical measuring stick, vertical measuring stick can realize the positioning along with the change of the height of buffering base automatically, consequently, this adjustment isolated plant can be used to the adjustment of the buffering base of co-altitude to use, and then the adjustment of the buffering base of multiple pattern is used.
3. The special adjusting device has few components, simple integral structure and convenient assembly and connection.
4. The adjusting method comprises the steps that firstly, calibrating positions of a plurality of sets of special adjusting devices are carried out by adopting a calibrating device meeting the coaxiality and the parallelism of the buffer base, then the plurality of sets of special adjusting devices after the calibration positions are uniformly distributed and arranged on the periphery of the buffer base to be adjusted, so that first measuring heads of the plurality of sets of special adjusting devices are in contact with different positions of the outer peripheral surface of an installing plate of the buffer base, and second measuring heads of the plurality of sets of special adjusting devices are in contact with different parts of the installing surface of the installing plate of the buffer base; and then adjusting the plurality of shock separators to move the positions of all the first measuring heads and the second measuring heads to the positions consistent with the calibration positions, so that the coaxiality and the parallelism of the buffer base reach the technical requirements.
5. The adjusting method is simple to operate, and in the process of adjusting the buffer base, other measuring tools are not needed for measuring, and only the marking positions on the measuring rod are observed, so that visual adjustment is realized.
6. The adjusting method shortens the measuring time, improves the measuring effect, is suitable for measuring the buffer bases with different diameters and different heights, and has the advantage of wide application range.
Drawings
FIG. 1 is a schematic view of the overall structure of the device for exclusive use in adjustment of the present invention;
FIG. 2 is a schematic view of the positioning fence of FIG. 1;
FIG. 3 is a reference diagram showing the use state of the buffer base adjusted by the adjustment-dedicated device (only one set of the adjustment-dedicated device is shown in the figure)
Detailed Description
The present invention will be described in more detail below with reference to the following embodiments, which are illustrative, but not restrictive, and should not be construed as limiting the scope of the present invention.
A special adjustment device for a multi-type buffer base, please refer to fig. 1-3, the invention points are:
the device comprises a device base 4, a positioning backup plate 6, a vertical strut 3, a transverse support rod 1, a vertical support rod 2, a vertical measuring rod 13, a transverse measuring rod 9, a first measuring head 7 and a second measuring head 11. The two measuring heads are hemispherical measuring head structures, the spherical surface of the first measuring head is a measuring surface in contact with the outer peripheral surface of the buffer base mounting plate, and the spherical surface of the second measuring head is a measuring surface in contact with the mounting surface of the buffer base mounting plate.
The positioning backup plate is fixedly arranged on the device base at a position close to the bottom in a left-right direction adjustable mode; two inclined planes 6.1 are symmetrically arranged at the front and the back of the left end of the positioning backup plate to form a V-shaped positioning surface which is contacted with the outer circular surface of the base of the buffering base.
The lower tip and the device base fixed connection of vertical pillar, the right-hand member portion of horizontal bracing piece and the upper end fixed connection of vertical pillar, the position and the horizontal bracing piece fixed connection of vertical bracing piece near the upper end, horizontal measuring stick wears the dress in order to follow left right direction mobilizable mode and is close to the position of lower extreme on vertical bracing piece, at the left end fixed mounting of horizontal measuring stick first measuring head is installed at the right-hand member of horizontal measuring stick and is kept off 10 first anticreep, and the cover is equipped with first pressure spring 8 on horizontal measuring stick, and the both ends of first pressure spring compress tightly the contact with the right-hand member face of first measuring head and the left side of vertical bracing piece respectively.
The vertical measuring rod is movably arranged on the transverse supporting rod in the vertical direction in a penetrating way and is arranged outside the left side of the vertical supporting rod in parallel; the second measuring head is fixedly arranged at the lower end of the vertical measuring rod, and the second anti-falling part 14 is arranged at the upper end of the vertical measuring rod; the vertical measuring rod is sleeved with a second pressure spring 12, and two ends of the second pressure spring are respectively in pressing contact with the upper end face of the first measuring head and the lower end of the transverse supporting rod.
In the above structure, the positioning backup plate is preferably fixed on the device base in the following manner:
the device base is provided with a backup plate slot 4.1 along the left-right direction near the bottom, the positioning backup plate is inserted into the backup plate slot, the bottom of the device base is provided with a screw hole communicated with the backup plate slot, and a positioning screw 5 for compressing the positioning backup plate is arranged in the screw hole, so that the positioning backup plate is fixed on the device base. After the positioning screws are loosened by adopting the fixing mode, the positioning backup plate can be moved along the slots, and the position of the positioning backup plate is changed, so that the positioning backup plate is suitable for buffering bases with different diameters and has the advantage of convenience in adjustment.
In the above structure, further: the first anti-falling stopper and the second anti-falling stopper are preferably locknuts and are respectively and fixedly connected with the corresponding measuring rods through threads. But not limited to, adopt locknut mode, for example, can adopt the elasticity separation blade, clamp in the mounting groove that sets up on the measuring stick.
The assembly method of the special adjusting device comprises the following steps:
1. and (4) installing the positioning backup plate into a backup plate slot of the mounting base according to the position of the figure and fastening the positioning backup plate by using a positioning screw.
2. And screwing the thread section of the lower end part of the vertical strut into a thread hole arranged on the mounting base, and dipping the thread fastening glue for looseness prevention.
3. And screwing the right threaded end of the transverse supporting rod into a transverse threaded hole formed in the upper end part of the vertical strut, and jacking by using a locking screw screwed in a threaded hole vertically communicated with the transverse threaded hole.
4. The upper end part of the vertical supporting rod is inserted into a mounting hole which is close to the right part on the transverse supporting rod, and the axial limit is carried out by using a positioning screw which is screwed in a threaded hole which is vertically communicated with the mounting hole;
5. respectively installing a vertical measuring rod and a transverse measuring rod into a measuring rod installation hole on a transverse supporting rod and a measuring rod installation hole on a vertical supporting rod, and respectively screwing a locknut on the upper end part of the vertical measuring rod and the end part of the transverse measuring rod;
5. then with first pressure spring and second pressure spring suit respectively on horizontal measuring stick and vertical measuring stick to install first measuring head and second measuring head in the left end of horizontal measuring stick and vertical measuring stick lower extreme, two measuring heads with correspond measuring head accessible threaded connection, also can adopt other modes to connect.
Adopt foretell adjustment isolated plant to adjust the buffer base, need use four sets of devices simultaneously, the adjustment step is:
s1 calibration four-set special adjusting device
Respectively leaning V-shaped positioning surfaces of positioning backup plates of four sets of special adjusting devices on the circumferential surface of a bottom plate of the calibrating device, respectively enabling two measuring rods to make corresponding measuring heads contact with the upper end surface of a top plate of the calibrating device and the outer side arc surface of the top plate by adjusting transverse and longitudinal displacements, and marking lines at the right-side intersection position of the transverse measuring rod and the vertical supporting rod and the upper end intersection position of the vertical measuring rod and the transverse supporting rod; the calibration device consists of a bottom plate, a fixed plate and a vertical connecting column arranged between the bottom plate and the fixed plate, and the coaxiality and the parallelism of the bottom plate and the top plate meet the technical requirements of the buffer base;
s2, adjusting the buffer base by using the calibrated four groups of special adjusting devices
Distributing four sets of calibrated special adjusting devices around a buffer base placed on a flat plate according to 90 degrees, so that V-shaped positioning surfaces of bases of the four devices are in close contact with an outer circular surface of a base of the buffer base;
then observing the transverse displacement of the transverse measuring rod and the vertical displacement of the vertical measuring rod, determining the stretching amount of 6 or 12 shock isolators on the buffer base to be adjusted, and enabling the measuring rods of the four groups of special adjusting devices to meet the requirement of marking lines by adjusting the stretching amount of the 6 or 12 shock isolators, namely enabling the transverse measuring rod and the vertical measuring rod on each set of special adjusting devices to be located at the position where the actual marking line is located and coincide with the calibration position, so far, the buffer base is adjusted, the parallelism between the mounting surface and the base reaches the technical requirement of 0.06mm, and the coaxiality of the base and the mounting plate meets the technical requirement of 0.5 mm.
Although the embodiments and figures of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and figures.
Claims (3)
1. The adjusting method is characterized in that four special adjusting devices suitable for the multi-type buffer base are adopted, and each special adjusting device comprises a device base, a positioning backup plate, a vertical strut, a transverse strut, a vertical measuring rod, a transverse measuring rod, a first measuring head and a second measuring head; the two measuring heads are of hemispherical measuring head structures, the spherical surface of the first measuring head is a measuring surface in contact with the peripheral surface of the mounting plate of the buffer base, and the spherical surface of the second measuring head is a measuring surface in contact with the mounting surface of the mounting plate of the buffer base;
the positioning backup plate is fixedly arranged on the position, close to the bottom, of the device base in a left-right direction adjustable mode; two inclined planes are symmetrically arranged at the front and the back of the left end of the positioning backup plate to form a V-shaped positioning surface which is contacted with the outer circular surface of the base of the buffer base;
the lower end part of a vertical pillar is fixedly connected with a device base, the right end part of a transverse supporting rod is fixedly connected with the upper end part of the vertical pillar, the position of the vertical supporting rod close to the upper end part is fixedly connected with the transverse supporting rod, the transverse measuring rod is movably arranged on the vertical supporting rod in a left-right penetrating mode and close to the lower end part, the first measuring head is fixedly arranged at the left end of the transverse measuring rod, a first anti-falling stopper is arranged at the right end of the transverse measuring rod, a first pressure spring is sleeved on the transverse measuring rod, and two ends of the first pressure spring are respectively in pressing contact with the right end surface of the first measuring head and the left side of the vertical supporting rod;
the vertical measuring rod is movably arranged on the transverse supporting rod in the vertical direction in a penetrating manner and is arranged outside the left side of the vertical supporting rod in parallel; the second measuring head is fixedly installed at the lower end of the vertical measuring rod, and the second anti-falling part is installed at the upper end of the vertical measuring rod; a second pressure spring is sleeved on the vertical measuring rod, and two ends of the second pressure spring are respectively in pressing contact with the upper end surface of the first measuring head and the lower end of the transverse supporting rod;
the adjusting steps are as follows:
s1 calibration four-set special adjusting device
Respectively leaning V-shaped positioning surfaces of positioning backup plates of four sets of special adjusting devices on the circumferential surface of a bottom plate of the calibrating device, respectively enabling corresponding measuring heads to be in contact with the upper end surface of a top plate of the calibrating device and the outer side arc surface of the top plate by adjusting transverse and longitudinal displacements of two measuring rods, and marking lines at the right side intersection position of the transverse measuring rod and the vertical supporting rod and the upper end intersection position of the vertical measuring rod and the transverse supporting rod; the calibration device is composed of a bottom plate, a fixed plate and a vertical connecting column arranged between the bottom plate and the fixed plate, and the coaxiality and parallelism of the bottom plate and the top plate meet the technical requirements of the buffer base;
s2, adjusting the buffer base by using four special adjusting devices for calibration
Distributing four sets of calibrated special adjusting devices around a buffer base placed on a flat plate according to 90 degrees, so that V-shaped positioning surfaces of bases of the four devices are in close contact with an outer circular surface of a base of the buffer base;
and then observing the transverse displacement of the transverse measuring rod and the vertical displacement of the vertical measuring rod, determining the telescopic amount of 6 or 12 shock isolators on the buffer base to be adjusted, enabling the measuring rod to meet the requirement of marking the reticle by adjusting the telescopic amount of the 6 or 12 shock isolators, and enabling the parallelism between the mounting surface and the base to reach the technical requirement of 0.06mm after the buffer base is adjusted, and enabling the coaxiality of the base and the mounting plate to meet the technical requirement of 0.5 mm.
2. The adjusting method for a multi-type buffer base according to claim 1, wherein: the device is characterized in that a backup plate slot along the left-right direction is formed in the position, close to the bottom, of the device base, the positioning backup plate is inserted into the backup plate slot, a screw hole communicated with the backup plate slot is formed in the bottom of the device base, and a positioning screw for compressing the positioning backup plate is installed in the screw hole to fix the positioning backup plate on the device base.
3. The adjusting method for multiple types of buffer bases according to claim 1, characterized in that: the first anti-falling stopper and the second anti-falling stopper are both locknuts and are respectively fastened and connected with the corresponding measuring rods through threads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010364380.2A CN111412932B (en) | 2020-04-30 | 2020-04-30 | Special adjusting device and adjusting method suitable for multi-type buffer base |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364380.2A CN111412932B (en) | 2020-04-30 | 2020-04-30 | Special adjusting device and adjusting method suitable for multi-type buffer base |
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| Publication Number | Publication Date |
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| CN111412932A CN111412932A (en) | 2020-07-14 |
| CN111412932B true CN111412932B (en) | 2022-10-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576034A (en) * | 1984-02-27 | 1986-03-18 | Westinghouse Electric Corp. | Adjustable radius apparatus for calibrating ultrasonic transducer array |
| CN202388385U (en) * | 2011-12-21 | 2012-08-22 | 上海机床厂有限公司 | Automatic turnover measuring device of end face internal circular grinder workpieces |
| CN203203536U (en) * | 2013-04-07 | 2013-09-18 | 南车玉柴四川发动机股份有限公司 | Right angle conversion apparatus of dial indicator measuring rod |
| CN207180552U (en) * | 2017-09-04 | 2018-04-03 | 武汉共康汽车零部件有限公司 | Three pin shaft forks measure large end face to the measurer of the height of reference plane |
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