CN213041207U - Laser adjusting mechanism suitable for 2D laser measuring instrument - Google Patents
Laser adjusting mechanism suitable for 2D laser measuring instrument Download PDFInfo
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- CN213041207U CN213041207U CN202021752219.4U CN202021752219U CN213041207U CN 213041207 U CN213041207 U CN 213041207U CN 202021752219 U CN202021752219 U CN 202021752219U CN 213041207 U CN213041207 U CN 213041207U
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Abstract
The utility model belongs to the technical field of image processing contact net detection, in particular to a laser adjusting mechanism suitable for a 2D laser measuring instrument, which comprises a fixed support and a connecting base which is rotatably arranged on the fixed support through a turning rotating shaft, wherein the axial direction of the turning rotating shaft is perpendicular to the axial direction of a transmission screw rod, and the connecting base is turned and adjusted on the fixed support by taking the turning rotating shaft as the center and horizontally installing an angle; the laser device is horizontally arranged on the connecting base through the laser device mounting base, a worm used for driving the laser device mounting base to rotate left and right on the connecting base is arranged on the connecting base, and the laser device rotates on the connecting base along with the laser device mounting base under the driving of the worm to enable the angle of the laser emitting direction to be adjustable.
Description
Technical Field
The utility model belongs to the technical field of belong to the track detects, especially, relate to a be applicable to 2D laser measuring instrument laser instrument guiding mechanism.
Background
At present, 2D laser measuring instruments are widely applied to measuring scenes such as profiles and distances. In the field of track detection and monitoring, a 2D laser displacement measurement technology is also largely used, a parameter conversion relation mapped to a camera image plane in a three-dimensional world is obtained in a calibration mode, a lens distortion coefficient is calculated, aberration is corrected, and detection of various parameters such as track geometric parameters and profile is further achieved.
The 2D laser measuring instrument adopts a laser visual detection technology, the laser visual detection has the characteristics of non-contact, high precision and the like, but the camera needs to be calibrated before measurement, and the parameter conversion relation of the coordinates of an object in the three-dimensional world projected to the phase plane of the camera is obtained, so that the accuracy of subsequent measurement is ensured. In the current calibration process, a needle type target is adopted by a calibration tool, needles in the target are horizontally placed at equal intervals, and the line laser projected by a line laser is required to be perpendicular to the horizontal needle type target. However, after the existing line laser is installed in the cavity of the 2D laser measuring instrument, due to the problems of the surface irregularity of the laser, the processing error and the assembling error of the cavity structure and the fixing device, the light emitted by the laser has the problems of inclination, deviation and the like, and has a larger error from an ideal state (perpendicular to the horizontal needle type target). To solve the above problems, the current adjustment method is: a shim is arranged between the laser fixing piece and a cavity of the 2D laser measuring instrument, deflection adjustment of laser is achieved by adjusting the height difference between the left side and the right side, and rotation adjustment is achieved by increasing the gap of a screw hole. The above adjustment methods often fail to meet the requirement of adjustment accuracy, and the adjustment process is tedious and time-consuming.
In the existing application, the perpendicularity of the line laser becomes a key factor for obtaining accurate and precise physical coordinates, and if the laser line has the conditions of deviation, inclination and the like, the subsequent measurement precision can be reduced, even larger errors exist, so that the laser needs to be adjusted before the calibration is started again, and the laser line is ensured to be in a vertical state as far as possible. At present, all 2D laser measuring instruments applied to the field of rail transit are required to be installed on the roof or the bottom of a vehicle, random vibration exists in the working environment, all parts are required to be completely fixed, and therefore a laser adjusting mechanism which can achieve fine adjustment of the laser direction in a narrow space and can meet the application requirement in the random vibration environment is urgently needed. At present, the technical scheme for adjusting the laser adopts a spring reset mechanism and does not have a locking device, and the defect that the performance of a spring is easy to damage is realized; secondly, the vibration environment is not applicable; and thirdly, the volume is large, and the laser measuring instrument is not suitable for a 2D laser measuring instrument with limited space.
Disclosure of Invention
In order to overcome the problem that exists among the above-mentioned prior art and not enough, the utility model aims at providing a laser instrument guiding mechanism suitable for in the finite space to adjust the laser instrument from two directions, around the rotation and the horizontal gyration of optical axis direction, reduce and mark process central line laser adjustment consuming time, promote the 2D laser measuring instrument laser instrument guiding mechanism of the quality (the straightness that hangs down) of laser.
The utility model provides a laser instrument guiding mechanism suitable for 2D laser measuring apparatu, including the fixing support to and rotationally set up the connection base on the fixing support through the upset pivot, the connection base uses the upset pivot as the center, horizontal installation angle upset is adjustable on the fixing support; the laser device is horizontally arranged on the connecting base through the laser device mounting base, a worm used for driving the laser device mounting base to rotate left and right on the connecting base is arranged on the connecting base, and the laser device rotates on the connecting base along with the laser device mounting base under the driving of the worm, so that the angle of the laser emitting direction can be adjusted. It should be noted that, here, horizontal and left and right are relative, here, it is assumed that the fixed support is vertical, the connection base is arranged on the fixed support through the turning rotating shaft to realize turning and rotating adjustment of a horizontal angle, and the laser is horizontally arranged on the laser mounting base to realize adjustment of a left and right direction angle under the drive of the worm.
Correspondingly, connection base include the bottom surface with the parallel rotor plate of fixing support, and the perpendicular to the mounting panel of rotor plate, as above, the mounting panel is the horizontal direction promptly, laser instrument mount pad and worm are installed on the mounting panel, the laser instrument mount pad is in under the drive of worm rotate on the plane of mounting panel, realize the gyration rotation of angle adjustable about the laser instrument is on connection base promptly.
Furthermore, a plurality of waist type trompils have been seted up on the rotor plate, just the arc wall of waist type trompil all uses the rotation center of connection base on fixing support, the center that overturns pivot position promptly is the centre of a circle, and is corresponding, all runs through in every waist type trompil to be provided with the spiro union and is in holding screw on the fixing support, can stop the rotation with connection base position fixing when holding screw spiro union promptly, and loosen behind the holding screw, when the laser instrument mount pad rotates waist type trompil and the holding screw that sets up in waist type trompil constitute the injecing to laser instrument mount pad rotation range.
Furthermore, one end of the rotating plate is provided with two bosses, the middle of the bosses is horizontally provided with a transmission screw rod, the transmission screw rod is fixed in relative position between the two bosses and can freely rotate, and the axial direction of the overturning rotating shaft is perpendicular to the axial direction of the transmission screw rod; correspondingly, a fixed block is arranged on the fixed support, a through hole for the rod body of the transmission screw to pass through is formed in the middle of the fixed block, namely the transmission screw between the two bosses passes through the through hole in the middle of the fixed block, and gaps are reserved between the two bosses and the fixed block and between the fixed block and the edge of one end of the rotating plate; the through hole is a special-shaped through hole which has a small aperture at the middle position and gradually increases the apertures at the two ends, and the minimum aperture size at the middle position of the through hole is matched with the outer diameter size of the transmission screw rod. The rotor plate through foretell upset pivot and here drive screw with there is spacing rotatable setting between the fixed plate, it is concrete, when the rotor plate is turned over on the fixed plate and is rotated the adjustment about angle, the rotor plate uses the upset pivot to overturn as the center and rotate the adjustment, at this moment between two bosss and the fixed block, and the clearance width between the one end edge of fixed orifices and rotor plate promptly as the angle restriction of rotation adjustment, and drive screw also can rotate along with it in the rotor plate rotation adjustment process, for realizing rotating, the through-hole is the wide hourglass formula dysmorphism hole in the narrow both ends in centre, also provides the space for drive screw's rotation, the intermediate position of through-hole in the fixed block is the rotation centre of a circle with the dwang, use the spacious volume between both ends trompil and the drive screw body of rod to restrict as rotation angle.
Preferably, the body of rod of driving screw is the lead screw, just be provided with on the through-hole inside wall with the screw thread of lead screw meshing.
Or, the body of rod of driving screw is the lead screw, the through-hole intermediate position be provided with lead screw complex nut, just the nut can not rotate along with the rotation of screw at the through-hole intermediate position, but the nut can its centre of a circle position be the center, along the axial direction both sides slope swing of through-hole at the through-hole intermediate position.
Furthermore, the laser installation seat is rotatably arranged on the connecting base through a supporting rotating shaft and a horizontal plane.
The laser installation seat is in contact connection with the worm, one side of the laser installation seat in contact with the worm is a circular arc-shaped turbine pattern with the rotation center of the laser installation seat in the supporting rotating shaft as the center of a circle, and correspondingly, gear teeth on the worm are meshed with the turbine pattern of the laser installation seat.
Preferably, the laser installation seat is a circular turntable, the laser installation seat rotates along the circle of the support rotating shaft, the laser is installed on the upper surface of the circular turntable along the diameter direction of the laser, and the insections meshed with the threads on the worm are arranged on the side edge of the circular turntable.
Be provided with on the mounting panel have the blind hole, be used for setting up the riser of worm, but the worm both ends are in through pivot rigidity, free rotation's setting in the riser blind hole, and the one end of worm is for the standard hexagon socket head cap trompil that corresponds hexagon socket head cap spanner, and the teeth of a cogwheel at worm middle part realizes the meshing with laser instrument mount pad turbine line, and through the rotatory worm of hexagon socket head cap spanner, its motion mode is feed motion, and then realizes the horizontal rotary motion of laser instrument mount pad on the mounting panel.
Be provided with a plurality of waist type trompils on the laser instrument mount pad, just the arc wall of waist type trompil all with the rotation center of laser instrument mount pad is the centre of a circle, and is corresponding, all runs through in every waist type trompil and is provided with the spiro union and is in holding screw on the connection base can put fixed the stopping rotation with the laser instrument mount pad when holding screw screws up promptly, and after loosening holding screw, when the laser instrument mount pad rotates waist type trompil constitutes to be injectd laser instrument mount pad rotation range with the holding screw that sets up in waist type trompil.
Has the advantages that:
compared with the prior art, the technical proposal provided by the utility model realizes the horizontal offset adjustment of laser by the mechanism composed of the laser installation seat, the worm, the connection base and the clinch screw; the laser mounting seat can be divided into two parts, the end part is a plane with a laser mounting hole position, and the tail part is an arc section with a worm gear outline; meanwhile, a supporting rotating shaft for supporting rotary motion is arranged at the rotating center of the circular arc section of the profile of the worm wheel, and the other end of the supporting rotating shaft is immersed in a blind hole clamping groove of a connecting base mounting plate, so that the supporting and rotating functions of the whole offset adjusting mechanism are realized; the connecting base, the fixed support, the transmission screw, the locking nut and the set screw form a mechanism to realize rotary motion along the optical axis direction; the size of the waist-shaped hole on the connecting base (rotating plate) determines the rotation angle of the connecting base, two sections of circular arc through holes are symmetrically arranged on the left and right of the rotating plate of the connecting base, and the centers of the circular arc through holes are superposed with the rotation motion center; the fastening screw passes through the arc through hole and then is coaxially matched with the threaded blind hole in the fixed support, so that the locking function of the swing mechanism is realized. The left and right offset adjustment is realized by adopting a worm gear, and the worm gear has self-locking performance by utilizing worm gear transmission, so that the device is more favorable for use in a vibration environment; secondly, high-precision adjustment can be realized during offset adjustment through the characteristic of large transmission ratio; the horizontal adjustment of the laser installation surface drives the connecting base to realize rotary motion in a vertical plane by rotating the transmission screw rod, so that the transmission screw rod is high in adjustment precision and convenient and fast to operate; offset adjustment and gyration are adjusted and are all realized corresponding regulation operation through rotary motion, and the regulation instrument only need the hexagon socket head cap spanner can, convenient operation, adjust the precision height, shorten the regulation time, improve production efficiency.
In the scheme, a worm gear and worm meshing transmission principle and a thread transmission principle are adopted, and the laser adjusting mechanism is designed according to practical application requirements; the design realizes the rotation and turnover adjustment of the laser by utilizing precise worm transmission and thread transmission in a limited space, has the characteristics of convenience and rapidness in adjustment, high precision and the like, reduces the time for adjusting the laser before calibration, improves the quality of the laser on a target, directly improves the calibration efficiency, improves the accuracy of the parameters mapped to the camera phase plane in the three-dimensional world, and improves the subsequent imaging quality.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
fig. 1 is a schematic perspective view of a laser adjusting mechanism according to the present invention;
fig. 2 is a schematic front view of the laser adjusting mechanism of the present invention;
fig. 3 is a schematic top view of the laser adjustment mechanism of the present invention;
FIG. 4 is a schematic sectional view of the A-A side of the laser adjustment mechanism of the present invention;
in the figure:
1. a fixed support; 2. a connection base; 3. turning over the rotating shaft; 4. a support shaft; 5. a laser mount; 6. a laser; 7. a worm; 8. tightening the screw; 9. a drive screw; 10. forming a waist-shaped opening; 11. and a through hole.
Detailed Description
The technical solution for achieving the objectives of the present invention will be further described by using several specific examples, and it should be noted that the technical solution claimed in the present invention includes, but is not limited to, the following examples.
Example 1
The embodiment discloses a laser 6 adjusting mechanism suitable for a 2D laser measuring instrument, as shown in fig. 1, comprising a fixed support 1 and a connecting base 2 rotatably arranged on the fixed support 1 through a turning rotating shaft 3, wherein the connecting base 2 is turned and adjusted on the fixed support 1 by taking the turning rotating shaft 3 as a center and a horizontal installation angle; a laser 6 is horizontally arranged on the connecting base 2 through a laser mounting base 5, a worm 7 used for driving the laser mounting base 5 to rotate left and right on the connecting base 2 is arranged on the connecting base 2, and the laser 6 rotates on the connecting base 2 along with the laser mounting base 5 under the driving of the worm 7 so that the angle of the laser emitting direction can be adjusted; the fixed support 1 is fixed in position, and for convenience of understanding, the fixed support 1 is vertically arranged in a three-dimensional space, the overturning rotating shaft 3 is used as a center, the direct relative included angle between the connecting base 2 and the fixed support 1 is adjusted, and the laser 6 arranged on the connecting base 2 can be adjusted to be in a horizontal plane.
It should be noted that, horizontal and left-right are relative, where the fixed support 1 is set to be vertical, the connection base 2 is set on the fixed support 1 through the turning rotating shaft 3 to realize the rotation adjustment of the horizontal included angle, and the laser 6 is horizontally set on the laser mounting base 5 to realize the adjustment of the left-right direction angle under the driving of the worm 7.
Example 2
On the basis of the technical solution of the above embodiment 1, preferably, as shown in fig. 1 and 4, the connection base 2 includes a rotation plate parallel to the fixed support 1 and a mounting plate vertically disposed on the rotation plate, the rotation plate is rotatably disposed on the fixed support 1 through the turning rotating shaft 3, a laser 6 is horizontally disposed on the mounting plate of the connection base 2 through a laser mounting seat 5 having a supporting rotating shaft 4, and the laser mounting seat 5 is rotatably disposed on the supporting rotating shaft 4. Offer the confession on fixing support 1 upset pivot 3 runs through the upset through-hole 11 that passes, 3 head ends of upset pivot with the direct fixed connection of rotor plate, the 3 other ends of upset pivot then pass upset through-hole 11 sets up, and upset pivot 3 is in free rotation in the upset through-hole 11, as figure 1, upset pivot 3 passes the standard hexagon socket head cap trompil of one end for corresponding hexagon socket head cap spanner of upset through-hole 11.
Further, as shown in fig. 1 and 2, a plurality of waist-shaped openings 10 are formed in the rotating plate, the arc-shaped grooves of the waist-shaped openings 10 all use the rotating center of the connecting base 2 on the fixing support 1 as the center of a circle, correspondingly, a set screw 8 screwed on the fixing support 1 is arranged in each waist-shaped opening 10 in a penetrating manner, namely, the connecting base 2 can be prevented from rotating by fixing the position of the set screw 8 in a screwing manner, and after the set screw 8 is loosened, the laser mounting base 5 rotates while the waist-shaped openings 10 and the set screw 8 arranged in the waist-shaped openings 10 form limitation on the rotating range of the laser mounting base 5.
Further, as shown in fig. 1, one end of the rotating plate is provided with two bosses with a transmission screw 9 horizontally arranged in the middle, the transmission screw 9 is fixed in relative position between the two bosses and can be freely and rotatably arranged, and the axial direction of the turnover rotating shaft 3 is perpendicular to the axial direction of the transmission screw 9; correspondingly, a fixed block is arranged on the fixed support 1, a through hole 11 for the rod body of the transmission screw 9 to pass through is formed in the middle of the fixed block, namely the transmission screw 9 between the two bosses passes through the through hole 11 in the middle of the fixed block, and gaps are reserved between the two bosses and the fixed block and between the fixed block and one end edge of the rotating plate; the through hole 11 is a special-shaped through hole 11 which has a small middle aperture and gradually increases towards the apertures of the two ends, and the minimum aperture size of the middle position of the through hole 11 is matched with the outer diameter size of the transmission screw rod 9.
What differs from the foregoing scheme here is that the rotor plate passes through aforementioned upset pivot 3 and drive screw 9 here and there is spacing rotatable setting between the fixed plate, it is concrete, when the rotor plate rotates the adjustment on the fixed plate about the angle, the rotor plate uses upset pivot 3 to rotate the adjustment as the center, the clearance width between two bosss and the fixed block this moment and between the one end edge of fixed orifices and rotor plate is as the angle restriction of rotating the adjustment promptly, and drive screw 9 also can rotate along with in the rotor plate rotation adjustment process, for realizing the rotation, through-hole 11 is the narrow hourglass formula dysmorphism hole of both ends width in the middle of, also provide the space for drive screw 9's rotation, the pivot pole uses the intermediate position of through-hole 11 in the fixed block as the rotation centre of a circle, use the spacious volume between the both ends trompil and the drive screw 9 body of rod to restrict as the turned.
Preferably, the rod body of the driving screw 9 is a screw rod, and a thread meshed with the screw rod is arranged on the inner side wall of the through hole 11.
Or, the body of rod of driving screw 9 is the lead screw, 11 intermediate positions of through-hole be provided with lead screw complex nut, just the nut can not rotate along with the rotation of screw in 11 intermediate positions of through-hole, but the nut can its centre of a circle position be the center, along the slope swing of the axial direction both sides of through-hole 11 at 11 intermediate positions of through-hole.
Namely, the positions of the transmission screw 9 and the connecting base 2 are relatively fixed, the rod body of the transmission screw is meshed with the fixed block of the fixed support 1 through threads, the rotation motion of the transmission screw 9 is converted into driving force for driving the connecting base 2 to directly rotate on the fixed support 1 through threads between the rod body and the fixed seat by rotating the transmission screw 9, the adjustment of the horizontal inclination angle can be completed, the adjustment condition can be visually observed, the meshing mode of the lead screw is stable, the meshing length between the through hole 11 of the fixed block and the rod body of the lead screw does not need to be too large, only a few threads are provided, the converted bearing points are ensured, and the lead screw is not limited due to integral meshing when rotating along with the connecting base 2.
Further, the laser mounting base 5 is rotatably disposed on the connection base 2 on a horizontal plane through a support rotating shaft 4.
The laser installation seat 5 is in contact connection with the worm 7, one side of the laser installation seat 5 in contact with the worm 7 is a circular arc-shaped turbine pattern which takes the rotation center of the laser installation seat 5 in the support rotating shaft 4 as the circle center, and correspondingly, gear teeth on the worm 7 are meshed with the turbine pattern of the laser installation seat 5.
Preferably, the laser mounting seat 5 is a circular turntable, the supporting rotating shaft 4 rotates along the circle thereof, the laser 6 is mounted on the upper surface of the circular turntable along the diameter direction thereof, and the insections which are in threaded engagement with the worm 7 are arranged on the side edge of the circular turntable.
Be provided with on the mounting panel have the blind hole, be used for setting up the riser of worm 7, but 7 both ends of worm are in through pivot rigidity, free rotation's setting in the riser blind hole, and the one end of worm 7 is the standard hexagon socket head cap trompil of corresponding hexagon socket head cap spanner, and the teeth of a cogwheel at 7 middle parts of worm realizes the meshing with 5 turbine veins of laser mount pad, through the rotatory worm 7 of hexagon socket head cap spanner, and its motion mode is feed motion, and then realizes the horizontal rotary motion of laser mount pad 5 on the mounting panel.
Be provided with a plurality of waist type trompils 10 on the laser instrument mount pad 5, just the arc wall of waist type trompil 10 all uses the rotation center of laser instrument mount pad 5 is the centre of a circle, and is corresponding, all runs through in every waist type trompil 10 to be provided with the spiro union and is in holding screw 8 on the connection base 2, can stop laser instrument mount pad 5 fixed position to rotate when holding screw 8 screws up promptly, and loosen behind holding screw 8, when laser instrument mount pad 5 rotates waist type trompil 10 and the holding screw 8 that sets up in waist type trompil 10 constitute and prescribe a limit to laser instrument mount pad 5 rotation range.
Specifically, according to the state of the laser 6 at present, if the plane where the laser 6 is located is inclined and there is a need for adjusting the horizontal angle, the adjusting mechanism of the laser 6 suitable for the 2D laser measuring instrument is used, the set screw 8 for positioning and fastening the rotating plate and the fixed plate in the rotating plate upper waist-shaped opening 10 of the connecting base 2 is loosened, the transmission screw 9 is rotated to drive the connecting base 2 to adjust the angle in the horizontal direction to reach the level, and then the set screw 8 for positioning and fastening the rotating plate and the fixed plate in the rotating plate upper waist-shaped opening 10 of the connecting base 2 is fastened again;
then, according to the state of the laser 6 at present, if the outgoing angle of the laser 6 on the plane has a deviation in the left-right direction, that is, there is a need for adjusting the left-right angle, the set screw 8 for positioning and fastening the laser mounting base 5 and the mounting plate of the connection base 2 in the waist-shaped opening 10 on the laser mounting base 5 is loosened, the rotating worm 7 drives the supporting rotating shaft 4 of the laser mounting base 5 to rotate through the worm gear engaged with the screw thread, so as to adjust the left-right angle of the laser 6 on the laser mounting base 5 to be right, and then the set screw 8 for positioning and fastening the laser mounting base 5 and the mounting plate of the connection base 2 in the waist-shaped opening 10 on the laser mounting base 5 is retightened.
Claims (10)
1. The utility model provides a laser instrument guiding mechanism suitable for 2D laser measuring apparatu which characterized in that: the device comprises a fixed support (1) and a connecting base (2) which is rotatably arranged on the fixed support (1) through a turning rotating shaft (3), wherein the connecting base (2) is arranged on the fixed support (1) by taking the turning rotating shaft (3) as a center and can be turned and adjusted in a horizontal installation angle; be provided with laser instrument (6) through laser instrument mount pad (5) level on connection base (2), be provided with on connection base (2) and be used for the drive laser instrument mount pad (5) are controlled pivoted worm (7) on connection base (2), under the drive of worm (7) laser instrument (6) are followed laser instrument mount pad (5) rotate on connection base (2) and make laser outgoing direction angularly adjustable.
2. The laser adjustment mechanism of claim 1, adapted for use with a 2D laser measuring instrument, wherein: connection base (2) include the bottom surface with the parallel rotor plate of fixing support (1), and perpendicular to the mounting panel of rotor plate, the mounting panel is the horizontal direction promptly, install laser instrument mount pad (5) and worm (7) on the mounting panel, laser instrument mount pad (5) are in under the drive of worm (7) rotate on the plane of mounting panel.
3. The laser adjustment mechanism for a 2D laser gauge of claim 2, wherein: a plurality of waist-shaped openings (10) are formed in the rotating plate, the arc-shaped grooves of the waist-shaped openings (10) are corresponding to the center of rotation of the connecting base (2) on the fixing support (1), and a set screw (8) screwed on the fixing support (1) penetrates through each waist-shaped opening (10).
4. The laser adjustment mechanism of claim 2 or 3, adapted for use in a 2D laser measuring instrument, wherein: one end of the rotating plate is provided with two bosses, the middle of the bosses is horizontally provided with a transmission screw (9), the axial direction of the overturning rotating shaft (3) is vertical to the axial direction of the transmission screw (9), and the transmission screw (9) is fixed in relative position between the two bosses and can be freely and rotatably arranged; correspondingly, a fixed block is arranged on the fixed support (1), a through hole (11) for the rod body of the transmission screw (9) to pass through is formed in the middle of the fixed block, namely, the transmission screw (9) between the two bosses passes through the through hole (11) in the middle of the fixed block, and gaps are reserved between the two bosses and the fixed block and between the fixed block and one end edge of the rotating plate; the through hole (11) is a special-shaped through hole (11) which has a small middle aperture and gradually increases towards the apertures of the two ends, and the minimum aperture size of the middle position of the through hole (11) is matched with the outer diameter size of the rod of the transmission screw rod (9).
5. The laser adjustment mechanism of claim 4, adapted for use with a 2D laser measuring instrument, wherein: the rod body of the transmission screw rod (9) is a screw rod, and threads meshed with the screw rod are arranged on the inner side wall of the through hole (11);
or, the body of rod of driving screw (9) is the lead screw, through-hole (11) intermediate position be provided with lead screw complex nut, just the nut can not rotate along with the rotation of screw at through-hole (11) intermediate position, but the nut can its centre of a circle position be the center, along the swing of the axial direction both sides slope of through-hole (11) at through-hole (11) intermediate position.
6. The laser adjustment mechanism of claim 2 or 3, adapted for use in a 2D laser measuring instrument, wherein: the laser installation seat (5) is rotatably arranged on the connecting base (2) through a supporting rotating shaft (4) on a horizontal plane.
7. The laser adjustment mechanism of claim 6, adapted for use with a 2D laser measuring instrument, wherein: the laser installation seat is characterized in that the laser installation seat (5) is in contact connection with the worm (7), one side of the laser installation seat (5) in contact with the worm (7) is a circular arc-shaped turbine pattern which takes the rotation center of the laser installation seat (5) in the supporting rotating shaft (4) as the circle center, correspondingly, and gear teeth on the worm (7) are meshed with the turbine pattern of the laser installation seat (5).
8. The laser adjustment mechanism of claim 7, adapted for use with a 2D laser measuring instrument, wherein: laser instrument mount pad (5) are circular carousel, and rotate along its circumference in supporting pivot (4), and the upper surface of circular carousel is installed along its diameter direction laser instrument (6), with worm (7) go up the insection setting of thread engagement at the side of circular carousel.
9. The laser adjustment mechanism of claim 7, adapted for use with a 2D laser measuring instrument, wherein: be provided with on the mounting panel have the blind hole, be used for setting up the riser of worm (7), but worm (7) both ends are in through pivot rigidity, free rotation's setting in the riser blind hole, and the one end of worm (7) is for corresponding the standard hexagon socket head cap trompil of hexagon socket head cap spanner, and the teeth of a cogwheel in the middle part of worm (7) realizes the meshing with laser instrument mount pad (5) turbine line.
10. A laser adjustment mechanism suitable for use in a 2D laser gauge as claimed in claim 1, 2 or 3, wherein: be provided with a plurality of waist type trompils (10) on laser instrument mount pad (5), just the arc wall of waist type trompil (10) all with the rotation center of laser instrument mount pad (5) is the centre of a circle, and it is corresponding, all run through in every waist type trompil (10) and be provided with the spiro union in holding screw (8) on connection base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021752219.4U CN213041207U (en) | 2020-08-20 | 2020-08-20 | Laser adjusting mechanism suitable for 2D laser measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021752219.4U CN213041207U (en) | 2020-08-20 | 2020-08-20 | Laser adjusting mechanism suitable for 2D laser measuring instrument |
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| CN213041207U true CN213041207U (en) | 2021-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982059A (en) * | 2020-08-20 | 2020-11-24 | 成都唐源电气股份有限公司 | Laser adjusting mechanism and method suitable for 2D laser measuring instrument |
| CN114593672A (en) * | 2022-02-17 | 2022-06-07 | 阿尔法森紧固科技(常州)有限公司 | Rivet tightness detection device and use method thereof |
-
2020
- 2020-08-20 CN CN202021752219.4U patent/CN213041207U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982059A (en) * | 2020-08-20 | 2020-11-24 | 成都唐源电气股份有限公司 | Laser adjusting mechanism and method suitable for 2D laser measuring instrument |
| CN114593672A (en) * | 2022-02-17 | 2022-06-07 | 阿尔法森紧固科技(常州)有限公司 | Rivet tightness detection device and use method thereof |
| CN114593672B (en) * | 2022-02-17 | 2023-06-23 | 阿尔法森紧固科技(常州)有限公司 | Rivet tightness detection device and application method thereof |
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