CN112503331A - Laser centering instrument and method for centering coupler by using centering instrument - Google Patents

Abstract

The utility model relates to a laser centering instrument and use this method of centering shaft coupling of centering instrument relates to the technical field of centering instrument, including bracket, the laser instrument of setting on the bracket, two brackets can dismantle through two connecting device and link together, and connecting device includes connecting rod, two positioning disks, two set nut, has seted up the joint groove on the bracket, and the connecting rod joint is installed on the joint groove, and two positioning disks set up on the connecting rod, and two set nut threaded connection just support tightly on the bracket in the screw thread section. This application is through installing a bracket respectively with two connecting rods, then during the installation of second bracket for the joint groove joint cooperation of two connecting rod second brackets makes the laser instrument position on two brackets corresponding through two connecting rods, has reduced adjustment laser instrument position probability once more, has improved the efficiency of using laser centering instrument to detect the shaft coupling axiality.

Description

Laser centering instrument and method for centering coupler by using centering instrument

Technical Field

The application relates to the technical field of centering instruments, in particular to a laser centering instrument and a method for centering a coupler by using the same.

Background

The laser centering instrument is mainly used for mechanical displacement centering measurement when mechanical equipment is axially connected with a rotating component in mechanical equipment maintenance. The mechanical displacement centering means that the centers of the connecting parts are aligned when the mechanical equipment couplers are connected, so that the coaxiality of the installation of the two equipment couplers is ensured, and the two equipment couplers are prevented from being vibrated and clamped due to the inclined installation and connection to damage the mechanical equipment.

In the related art, a laser centering instrument comprises a bracket and a laser arranged on the bracket, wherein the bracket is provided with a chain used for being connected with a coupler. During the use, place the bracket on the shaft coupling earlier, then with the chain around the shaft coupling, fix the chain at last to this comes to bracket fixed mounting to the shaft coupling on, rotates the axiality that the shaft coupling detected the shaft coupling.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the laser centering device is used, the two laser centering devices are generally respectively placed on the couplers of two devices, but the positions of the two laser centering devices are uncertain when the laser centering devices are installed, so that the two laser centering devices are easy to be subjected to the condition that the induction cannot be achieved or the induction positions are not correct, adjustment is needed again, time is wasted, and the efficiency of detecting the coaxiality of the couplers by using the laser centering devices is reduced.

Disclosure of Invention

In order to improve the efficiency of detecting the coaxiality of the coupler by using the laser centering instrument, the application provides the laser centering instrument and the method for centering the coupler by using the centering instrument.

In a first aspect, the application provides a laser centering instrument, which adopts the following technical scheme:

the utility model provides a laser centering instrument, includes the bracket, sets up the laser instrument on the bracket, be provided with the fixing device with the coupling joint on the bracket, two the bracket can be dismantled through two connecting device and link together, connecting device includes connecting rod, two positioning disks, two set nut, the joint groove has been seted up on the bracket, the connecting rod joint is installed on the joint groove and both ends have seted up the screw thread section, two the positioning disk sets up on the connecting rod and contradicts on the lateral wall of two relative one sides of bracket, two set nut threaded connection just supports tightly in the screw thread section on the lateral wall of two opposite sides of the body one side of the bracket.

By adopting the technical scheme, one bracket is placed on one coupler, the position of the bracket is fixed by the locking and fixing device, the connecting rod is clamped and installed on the clamping groove and is away from the bottom of the clamping groove, so that the positioning disc is abutted against the bracket, the positioning nut is screwed to abut against the bracket, and the other connecting rod is installed on the other clamping groove of the bracket by the same method;

then another bracket is placed on another coupler, the bracket is pushed to enable the two connecting rods to enter the clamping grooves, the positioning disc is enabled to abut against the bracket, the positioning nut is screwed to abut against the bracket, and finally the position of the bracket of the fixing device is locked, so that the two lasers are installed on the two couplers, the positions of the two lasers are corresponding, the probability of readjusting the positions of the lasers is reduced, and the efficiency of detecting the coaxiality of the couplers by using a laser centering instrument is improved; the positioning nut is screwed to be far away from the bracket, then the connecting rod can be taken down, and the two couplers are respectively rotated to detect the coaxiality of the couplers.

Optionally, a mounting plane penetrating through two ends of the connecting rod is arranged on the connecting rod, and scale marks and digital marks displaying distances are arranged on the mounting plane in a mirror image mode about the perpendicular bisector of the axis of the connecting rod.

When the coaxiality is measured, the distance between the two lasers needs to be input, so that a measuring tool needs to be used for measuring, and the measuring tool needs to be carried every time of measurement, so that the coaxiality of the coupler is detected by using the laser centering instrument with low efficiency;

through adopting above-mentioned technical scheme, during the installation connecting rod, the mounting surface that will be provided with the scale mark sets up, consequently can see out the distance between two lasers directly through scale mark and number mark, need not to use measuring tool to measure, has improved the efficiency that uses laser centering instrument to detect the shaft coupling axiality.

Optionally, the fixing device comprises two fixing plates, a pressing rod and a locking assembly, the two fixing plates are arranged on the bracket, the pressing rod is rotatably arranged on the fixing plate and connected with another fixing plate and matched with the bracket to clamp the coupler, and the locking assembly is arranged on the pressing rod and used for being connected with the fixing plate.

By adopting the technical scheme, the abutting rod is rotated to abut against the coupler, so that the abutting rod is matched with the bracket to clamp the coupler, the position of the abutting rod is positioned by the locking and fixing component, and the bracket is fixedly arranged on the coupler; when needing to dismantle, open the locking subassembly, rotate and support the depression bar and keep away from the fixed plate, then can take off the bracket.

Optionally, the locking assembly comprises a locking screw and a locking disc, the locking screw is arranged on the abutting rod, a fixing groove matched with the locking screw in a clamping mode is formed in the fixing plate on one side, far away from the abutting rod, of the rotating side, and the locking disc is in threaded connection with the locking screw and abuts against the fixing plate tightly.

Through adopting above-mentioned technical scheme, rotate the locking screw joint and install on the fixed slot, then twist and move the locking dish and support tightly at the fixed plate to this fixes the position that supports the depression bar, locking screw and fixed slot joint cooperation simultaneously, consequently support the shaft coupling that the depression bar can adapt to and different diameters and carry out fixed connection.

In a second aspect, the present application provides a method for aligning a coupling, which adopts the following technical scheme:

a method of aligning a coupling, the method comprising the steps of:

s1, mounting a laser centering instrument, and mounting the laser centering instrument on the couplings of the two devices;

s2, detecting to obtain data, and rotating the coupler to detect the coaxiality of the two equipment couplers;

s3, adjusting the positions of the couplers, and adjusting the positions of the two couplers through an adjusting device according to the data obtained in the step S2;

s4, rechecking, and detecting the coaxiality of the two couplers again; and (4) when the coaxiality meets the requirement, the coupler alignment is finished, and the coaxiality does not meet the requirement, continuing to perform the step S3.

By adopting the technical scheme, the laser centering instruments are fixedly installed on the two couplers, the two couplers are respectively rotated to detect the coaxiality of the two couplers, the two centering instruments display detection data, the position of one coupler is adjusted through the adjusting device according to the data, after the adjustment is finished, the rechecking is carried out again, the coaxiality meets the requirement, and the alignment of the couplers is finished; if the coaxiality does not meet the requirement, adjusting the coaxiality again through the adjusting device according to the rechecking data until the coaxiality meets the requirement.

Optionally, adjusting device includes slide, horizontal adjustment mechanism, high adjustment mechanism, the slide slides and sets up on the base that is used for the erection equipment and one of them equipment setting is on the slide, be provided with the set screw who is used for fixed slide on the slide, horizontal adjustment mechanism sets up on the base and is used for the position of horizontal adjustment slide, high adjustment mechanism sets up on the slide and is used for adjusting the height of equipment on the slide.

By adopting the technical scheme, the fixing screw rod is screwed to be far away from the base, the horizontal adjusting mechanism adjusts the position of the sliding plate in the horizontal direction, the height adjusting mechanism adjusts the position of the sliding plate in the height direction, and after the adjustment is completed, the fixing screw rod is screwed to be tightly abutted against the base so as to adjust the positions of the sliding plate and the coupler on the sliding plate.

Optionally, horizontal adjustment mechanism is provided with two and is located the both sides of slide, horizontal adjustment mechanism is including removing screw rod, horizontal push pedal, removal nut, remove screw rod threaded connection on the base, horizontal push pedal is placed on the base and is contradicted on the slide, it rotates with horizontal push pedal to remove the screw rod to be connected, remove nut threaded connection on removing the screw rod and support tightly on the base, be provided with first scale on the base, the slide is provided with the first pointer of directional first scale.

By adopting the technical scheme, the movable nut is screwed to be away from the base, the movable screw rod is rotated to drive the horizontal push plate to move, the horizontal push plate moves to drive the sliding plate to move in the horizontal direction, after the movement is finished, the movable nut is screwed to be tightly abutted to the base, and then the fixed screw rod can be screwed to fix the position of the sliding plate, so that the position of the coupler can be adjusted in the horizontal direction; simultaneously, the first pointer and the first scale are matched to display the position of the sliding plate, so that the size of the sliding plate can be adjusted more accurately in the horizontal direction, the probability of adjusting the position of the coupler again is reduced, and the efficiency of the coupler in the aligning process is improved.

Optionally, height adjusting mechanism includes fixed block, lifting piece, altitude mixture control subassembly, the vertical setting of sliding of fixed block is on the slide board, one of them equipment sets up on the fixed block, the lifting piece slides and sets up on the slide board and support on the fixed block, all be provided with the laminating together and be the spigot surface of slope on fixed block and the lifting piece, be provided with the fastening screw who is used for fixed block position on the slide board, altitude mixture control subassembly sets up on the slide board and is connected with the lifting piece, be provided with the second scale on the slide board, be provided with the second pointer of directional second scale on the fixed block.

By adopting the technical scheme, the fastening screw is screwed to loosen the fixing block, the height adjusting assembly is started to drive the lifting block to move, the lifting block moves to push the fixing block to move up and down so as to adjust the position of the coupler in the height direction, and after the adjustment is finished, the fastening screw is locked to fix the position of the coupler; meanwhile, the second pointer and the second ruler are matched to display the position of the fixed block, so that the position of the fixed block can be adjusted more accurately in the height direction, the probability of adjusting the position of the coupler again is reduced, and the efficiency of the coupler in the alignment process is improved.

Optionally, the height adjusting assembly comprises an adjusting screw and an adjusting nut, the adjusting screw is in threaded connection with the sliding plate and is rotationally connected with the lifting block, and the adjusting nut is in threaded connection with the adjusting screw and abuts against the sliding plate.

Through adopting above-mentioned technical scheme, twist and move adjusting nut and keep away from the sliding plate, then can twist adjusting screw and drive the lifting piece and remove, remove the back of accomplishing, twist and move adjusting nut and support tightly on the sliding plate to this realizes driving the lifting piece and removes.

Optionally, be provided with positioning mechanism on the base, positioning mechanism includes vertical piece, first locating lever, second locating lever, third locating lever, vertical piece sets up on the relative both sides wall of bracket, first locating lever and second locating lever set up on the base and are located the both sides of bracket and all can contact with vertical piece, first locating lever and second locating lever are the tilt state, the third locating lever slides and sets up on the base and is located between first locating lever and the second locating lever, when vertical piece and the contact of third locating lever, the laser instrument is vertical state, promotes simultaneously the third locating lever is kept away from vertical piece and can be made vertical piece walk around third locating lever and first locating lever contact.

When the coupler is rotated to detect the coaxiality, three different points are generally selected, one point is in the 12 o 'clock direction, the other two points are positioned on two sides of the 12 o' clock direction and are symmetrical to each other, but a positioning mechanism for positioning the three points is not arranged on the base, so that the two lasers can not be aligned when the three points are positioned, and the two lasers are aligned when the three points are rotated manually, so that more time is spent in manual alignment, the coaxiality detection efficiency is low, and the position of rechecking is different from the position of the previous detection when the rechecking is carried out, so that the coaxiality detection efficiency is also reduced;

by adopting the technical scheme, when the bracket is installed, the vertical block is abutted against the third positioning rod, so that the laser is positioned in the 12 o' clock direction, and after the installation is finished, the laser is started to detect the coaxiality; after the detection is completed, the third positioning rod is pushed to be far away from the vertical block, so that the rotating shaft coupler can be in contact with the first positioning rods and the second positioning rods on two sides, manual alignment is not needed when the coaxiality of three points is detected, manual alignment is not needed, the position is the same as the previous detection position when the coaxiality is rechecked again, and the efficiency of detecting the coaxiality is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two connecting rods are respectively installed on one bracket, then when the second bracket is installed, the clamping grooves of the second brackets of the two connecting rods are clamped and matched, and the positions of the lasers on the two brackets are corresponding through the two connecting rods, so that the probability of readjusting the positions of the lasers is reduced, and the efficiency of detecting the coaxiality of the coupler by using a laser centering instrument is improved;

2. the distance between the two lasers can be directly seen through the scale marks and the numerical marks, a measuring tool is not needed for measurement, and the efficiency of detecting the coaxiality of the coupler by using the laser centering instrument is improved;

3. the laser centering instrument is fixedly installed on the two couplers, the two couplers are respectively rotated to detect the coaxiality of the two couplers, the position of one coupler is adjusted through the adjusting device according to detection data, after the adjustment is completed, the rechecking is carried out again, the coaxiality meets the requirement, and the centering of the couplers is finished; if the coaxiality does not meet the requirement, the adjusting device is used for adjusting again according to the rechecking data until the coaxiality meets the requirement, so that the adjusting device can be used for accurately adjusting in the aligning process, and the efficiency of aligning the coupler is improved.

Drawings

FIG. 1 is a schematic perspective view of a laser alignment instrument and alignment coupler used in the present application;

FIG. 2 is a schematic view of the construction of the connection device of the present application;

FIG. 3 is a schematic view of the construction of the fastening device of the present application;

FIG. 4 is a schematic view of the structure of the adjustment device of the present application;

FIG. 5 is a schematic structural view of a height adjustment mechanism of the present application;

fig. 6 is a schematic view of the positioning mechanism of the present application, wherein the base has been exploded.

Reference numerals: 1. a base; 11. a sliding groove; 12. a T-shaped block; 13. fixing the screw rod; 14. a fixed seat; 15. a first scale; 16. mounting a plate; 161. a strip-shaped hole; 162. fastening a screw rod; 163. a second scale; 17. inserting holes; 18. a plug rod; 181. a sliding seat; 182. a first positioning seat; 183. a second positioning seat; 184. sliding the square rod; 2. a bracket; 21. an M laser; 22. s, a laser; 23. a coupling; 24. a clamping groove; 3. a fixing device; 31. a fixing plate; 311. fixing grooves; 32. a pressing rod; 33. a locking assembly; 34. locking the screw rod; 35. a locking disk; 4. a connecting device; 41. a connecting rod; 411. a mounting plane; 412. a threaded segment; 42. positioning a plate; 43. positioning a nut; 5. an adjustment device; 51. a slide plate; 511. a first pointer; 512. a fastening plate; 52. a horizontal adjustment mechanism; 521. moving the screw; 522. a horizontal push plate; 523. moving the nut; 53. a height adjustment mechanism; 54. a fixed block; 541. a moving block; 542. a second pointer; 55. lifting the block; 551. a guide surface; 56. a height adjustment assembly; 57. adjusting the screw rod; 58. adjusting the nut; 6. a positioning mechanism; 61. a vertical block; 62. a first positioning rod; 63. a second positioning rod; 64. and a third positioning rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses laser centering instrument.

Referring to fig. 1, the laser centering instrument includes two brackets 2, and lasers respectively fixedly mounted on upper surfaces of the two brackets 2, the lasers including an M laser 21 and an S laser 22; the two carriages 2 are mounted on the couplings 23 of the first and second devices to be tested, respectively.

Referring to fig. 2 and 3, a fixing device 3 connected with the coupler 23 is arranged on the bracket 2, the bracket 2 is erected on the upper surface of the coupler 23, the fixing device 3 comprises two fixing plates 31, a pressing rod 32 and a locking assembly 33, the two fixing plates 31 are integrally arranged on the lower surfaces of two ends of the bracket 2, and the bottom ends of the two fixing plates 31 extend downwards to the lower side of the coupler 23; the pressing rod 32 is rotatably mounted on the bottom end of one of the fixing plates 31, the end of the pressing rod 32 far away from the rotation faces the other fixing plate 31, and the upper surface of the pressing rod 32 presses against the lower surface of the coupler 23.

Referring to fig. 2 and 3, the locking assembly 33 is disposed on the pressing rod 32 and is used for being connected with the fixing plate 31, the locking assembly 33 includes a locking screw 34 and a locking disc 35, a fixing groove 311 is disposed on the bottom end of the fixing plate 31 on the side far away from the pressing rod 32, and the fixing groove 311 penetrates through two opposite side walls of the fixing plate 31; the locking screw 34 is fixedly arranged at one end of the abutting rod 32 far away from the rotation, the locking screw 34 is clamped and arranged on the fixed groove 311, and a gap is reserved between the locking screw 34 and the bottom of the fixed groove 311; the locking disk 35 is screwed on the locking screw 34, and the locking disk 35 abuts against the side wall of the fixing plate 31 far away from the rotation side of the abutting rod 32.

Referring to fig. 1 and 2, two brackets 2 are detachably connected together through two connecting devices 4, the two connecting devices 4 are respectively located on two sides of an M laser 21 and an S laser 22, each connecting device 4 comprises a connecting rod 41, two positioning discs 42 and two positioning nuts 43, clamping grooves 24 are formed in the upper surface of each bracket 2 and located on two sides of the M laser 21, and the clamping grooves 24 penetrate through two opposite side walls of the bracket 2; the connecting rod 41 is clamped and installed on two clamping grooves 24 opposite to the two brackets 2.

Referring to fig. 1 and 2, an installation plane 411 penetrating through both ends of the connecting rod 41 is formed on the upper surface of the connecting rod 41, scales (not shown in the figure) are uniformly distributed on the installation plane 411 along the axis of the connecting rod 41, the scales are arranged in a mirror image manner with respect to a perpendicular bisector of the axis of the connecting rod 41, and a numerical label (not shown in the figure) indicating a distance is arranged on one side of the installation plane 411 and located on the scales.

Referring to fig. 1 and 2, two positioning plates 42 are fixedly mounted on the connecting rod 41 and located between the two brackets 2, and the two positioning plates 42 are abutted against the side walls of the two brackets 2 on the opposite sides. Threaded sections 412 are formed in two ends of the connecting rod 41, the two positioning nuts 43 are connected to the threaded sections 412 in a threaded mode, and the two positioning nuts 43 abut against the side walls of the two brackets 2 on the opposite sides.

The working principle of the embodiment of the application is as follows:

the bracket 2 connected with the M laser 21 is placed on the coupler 23 of the first equipment, then the locking screw 34 is rotated to be clamped and installed on the fixing groove 311, the locking disc 35 is screwed to abut against the fixing plate 31, so that the bracket 2 is fixedly installed on the coupler 23 of the first equipment, the connecting rod 41 is clamped and installed on the clamping groove 24 and has a distance with the bottom of the clamping groove 24, the positioning nut 43 is screwed to abut against the fixing plate 31 to fix the connecting rod 41, the bracket 2 connected with the S laser 22 is placed on the coupler 23 of the second equipment, the bracket 2 is pushed to enable the connecting rod 41 to be clamped and enter the clamping groove 24, the positioning disc 42 abuts against the bracket 2, and therefore the two brackets 2 are aligned through the two connecting rods 41.

Screwing the positioning nut 43 to abut against the fixing plate 31, and fixing the second bracket 2 by using a method for fixing the first bracket 2, so as to fixedly install the M laser 21 and the S laser 22; screwing two positioning nuts 43 away from the fixing plate 31, taking down two connecting rods 41, namely detecting the coaxiality of the two couplers 23, reduces the probability that the M laser 21 and the S laser 22 are not aligned, thereby reducing the probability of readjustment and improving the efficiency of detecting the coaxiality of the couplers 23 by using a laser centering instrument. Meanwhile, the distance between the M laser 21 and the S laser 22 is displayed by the number marks on the mounting plane 411, so that manual measurement is not needed, the time is saved, and the efficiency of detecting the coaxiality of the coupler 23 by using a laser centering instrument is improved.

The embodiment of the application discloses a method for aligning a coupler.

The method comprises the following steps:

with reference to FIG. 1

And S1, mounting a laser centering instrument, and mounting the M laser 21 and the S laser 22 on the couplings 23 of the first equipment and the second equipment respectively.

S2, detecting to obtain data, and rotating the coupler 23 to detect the coaxiality of the coupler 23 of the first equipment and the second equipment;

s3, adjusting the positions of the couplers 23, and adjusting the positions of the two couplers 23 through the adjusting device 5 according to the data obtained in the S2;

s4, rechecking, and detecting the coaxiality of the two couplers 23 again; and (4) when the coaxiality meets the requirement, the coupler 23 is aligned, and the coaxiality does not meet the requirement, continuing to perform the step S3.

Referring to fig. 1 and 4, further comprising a base 1 for mounting the first device and the second device, the adjusting device 5 comprises a sliding plate 51, a horizontal adjusting mechanism 52 and a height adjusting mechanism 53; the first equipment is fixedly arranged on the base 1 through a screw and a nut; two sliding grooves 11 which are in a horizontal state and parallel to each other are formed in one side, located on the upper surface of the base 1, of the first device, the cross section of each sliding groove 11 is T-shaped, two ends of each sliding groove 11 penetrate through two opposite side walls of the base 1, two T-shaped blocks 12 are installed on the two sliding grooves 11 in a sliding mode, and the sliding direction of each T-shaped block 12 is perpendicular to the axis of the first device coupler 23.

Referring to fig. 1 and 4, the sliding plate 51 is slidably mounted on the sliding grooves 11, and the sliding direction is parallel to the sliding direction of the T-shaped block 12, and meanwhile, sliding blocks slidably mounted on the two sliding grooves 11 are fixedly mounted on the sliding plate 51, and the sliding plate 51 is provided with a fixing screw 13 penetrating through the sliding plate 51 and in threaded connection with the T-shaped block 12. The horizontal adjusting mechanism 52 is provided with two and is located the both sides of slide plate 51, and horizontal adjusting mechanism 52 includes removal screw 521, horizontal push pedal 522, removal nut 523, and the both ends fixed mounting that just is located the groove of sliding on the slide plate 51 upper surface has fixing base 14.

Referring to fig. 1 and 4, two ends of the movable screw 521 horizontally penetrate through the outside of the fixed seat 14 and are in threaded connection with the fixed seat 14, the axis of the movable screw 521 is parallel to the sliding direction of the sliding plate 51, the lower surface of the horizontal push plate 522 is placed on the upper surface of the base 1, the two horizontal push plates 522 respectively abut against the side walls of the opposite sides of the sliding plate 51, and one end of the movable screw 521 close to the sliding plate 51 is rotatably installed on the side wall of the horizontal push plate 522 far from the sliding plate 51; the movable nut 523 is connected to the movable screw 521 in a threaded manner, and the movable nut 523 abuts against a side wall of the fixed seat 14 away from the sliding plate 51.

Referring to fig. 1 and 4, a first scale 15 is fixedly mounted on the upper surface of the base 1 and on the side of the sliding plate 51 away from the first device, the length direction of the first scale 15 is parallel to the sliding direction of the sliding plate 51, and a first pointer 511 pointing to the first scale 15 is fixedly mounted on the side wall of the sliding plate 51 close to the first scale 15.

Referring to fig. 4 and 5, the height adjusting mechanism 53 includes a fixing block 54, a lifting block 55, and a height adjusting assembly 56, the vertical mounting plate 16 is fixedly mounted on the upper surface of the sliding plate 51, and a strip-shaped hole 161 penetrating through two opposite side walls of the mounting plate 16 is formed on the side wall of the mounting plate 16; the fixed block 54 is vertically slidably mounted on the side wall of the mounting plate 16, a moving block 541 vertically slidably mounted on the strip-shaped hole 161 is fixedly mounted on the fixed block 54, the second device is fixedly mounted on the upper surface of the fixed block 54 through a screw and a nut, and the couplers 23 of the first device and the second device are correspondingly arranged.

Referring to fig. 4 and 5, the mounting plate 16 is provided with a fastening screw 162 passing through the strip-shaped hole 161 and threadedly connected to the moving block 541, and a head of the fastening screw 162 abuts against the mounting plate 16. The lifting block 55 is horizontally arranged on the upper surface of the sliding plate 51 in a sliding manner, the sliding direction of the lifting block 55 is perpendicular to that of the sliding plate 51, and the upper surface of the lifting block 55 is supported on the lower surface of the fixing block 54.

Referring to fig. 4 and 5, the contact end of the lifting block 55 and the fixed block 54 is provided with guide surfaces 551 attached to each other, the guide surfaces 551 are inclined, and the height of the guide surfaces 551 on the lifting block 55 near the mounting plate 16 is lower than that of the guide surfaces 551 far from the mounting plate 16; the vertical second scale 163 is fixedly installed on the side wall of the installation plate 16, and the second pointer 542 pointing to the second scale 163 is fixedly installed on the side wall of the fixed block 54 and located on the side close to the second scale 163.

Referring to fig. 4 and 5, the height adjusting assembly 56 is disposed on the sliding plate 51 and connected to the lifting block 55, the height adjusting assembly 56 includes an adjusting screw 57 and an adjusting nut 58, a fastening plate 512 is fixedly mounted on the upper surface of the sliding plate 51 and located on one side of the lifting block 55 far away from the mounting plate 16, two ends of the adjusting screw 57 horizontally penetrate through the outside of the fastening plate 512 and are in threaded connection with the fastening plate 512, meanwhile, the axis of the adjusting screw 57 is parallel to the sliding direction of the lifting block 55, and one end of the adjusting screw 57 close to the lifting block 55 is rotatably connected to the side wall of the lifting block 55; the adjusting nut 58 is screwed on the adjusting screw 57, and the adjusting nut 58 abuts against the side wall of the fastening plate 512 on the side away from the lifting block 55.

Referring to fig. 1 and 6, a positioning mechanism 6 is arranged on the upper surface of the base 1 and below the coupler 23 of the first device and the second device, the positioning mechanism 6 is provided with two positioning mechanisms and respectively positions the M laser 21 and the S laser 22, the positioning mechanism 6 includes a vertical block 61, a first positioning rod 62, a second positioning rod 63 and a third positioning rod 64, the vertical block 61 is fixedly mounted on the side wall of the fixing plate 31 perpendicular to the axis of the coupler 23, the vertical block 61 is provided with two positioning rods and located on two sides of the coupler 23, and when the vertical block 61 is in a vertical state, the M laser 21 and the S laser 22 are located in the 12 o' clock direction.

Referring to fig. 1 and 6, square insertion holes 17 are formed in the bases 1 on both sides of the two couplers 23, and square insertion rods 18 are inserted and mounted in the insertion holes 17; first locating lever 62 and second locating lever 63 fixed mounting are on the top of peg 18 and the tilt state, first locating lever 62 and second locating lever 63 are located the both sides of shaft coupling 23 respectively and set up about shaft coupling 23 axis mirror image, first locating lever 62 and the cooperation of second locating lever 63 form the splayed, distance between first locating lever 62 and the second locating lever 63 top is greater than the distance between the bottom, and shaft coupling 23 rotates and can drive vertical piece 61 lateral wall and the contact of first locating lever 62 or second locating lever 63.

Referring to fig. 1 and 6, horizontal sliding seats 181 are fixedly mounted on the side walls of the insertion rod 18 connected with the second positioning rod 63, the sliding seats 181 are located on the side walls of the insertion rod 18 close to the coupler 23, the sliding seats 181 are located below the coupler 23, and first positioning seats 182 and second positioning seats 183 are fixedly mounted on the upper surface of the sliding seats 181 at intervals along the axis of the coupler 23; the sliding square rod 184 is horizontally slid on the side wall of the first positioning seat 182, the sliding direction of the sliding square rod 184 is parallel to the axis of the coupler 23, and one end of the sliding square rod 184, which is far away from the second positioning seat 183, penetrates out of the first positioning seat 182 and is fixedly provided with a push plate.

Referring to fig. 1 and 6, the third positioning rod 64 is fixedly installed on the sliding square rod 184, and the bottom end of the third positioning rod 64 abuts against the upper surface of the sliding seat 181; the top end of the third positioning rod 64 vertically extends upwards to the vertical block 61, when the vertical block 61 abuts against the third positioning rod 64, the vertical block 61 is in a vertical state, the third positioning rod 64 contacts with the second positioning seat 183, and when the sliding square rod 184 is pushed to enable the third positioning rod 64 to contact with the first positioning seat 182, the coupler 23 rotates to drive the vertical block 61 to contact with the second positioning rod 63.

The working principle of the embodiment of the application is as follows:

the M laser 21 and the S laser 22 start to detect the coaxiality of the coupler 23, then the position of the coupler 23 of the second device is adjusted according to data, the fixing screw 13 is screwed to loosen the T-shaped block 12, the moving nut 523 is screwed to be far away from the fixed seat 14, the moving screw 521 is rotated to drive the horizontal push plate 522 to move, the horizontal push plate 522 moves to push the sliding plate 51 to move, the first pointer 511 and the first scale 15 are matched to display the adjusted size, after the adjustment is completed, the moving nut 523 is screwed to abut against the fixed seat 14, and the fixing screw 13 is screwed to fix the position of the sliding plate 51.

Screwing the fastening screw 162 away from the mounting plate 16, screwing the adjusting nut 58 away from the fastening plate 512, rotating the adjusting screw 57 to drive the lifting block 55 to move, driving the fixing block 54 to vertically move by moving the lifting block 55, displaying the moving size in the height direction by the second pointer 542 and the second scale 163, screwing the adjusting nut 58 to abut against the fastening plate 512 after the movement is completed, screwing the fastening screw 162 to abut against the mounting plate 16 to adjust the position of the second equipment coupler 23, rotating the coupler 23 to perform retest after the adjustment is completed, meeting the requirement of the retest structure, finishing the alignment of the coupler 23, and if the retest result does not meet the requirement, continuously adjusting the position of the coupler 23 of the second equipment according to the retest data until the result meets the requirement.

When the M laser 21 and the S laser 22 are installed, the bracket 2 is pushed to enable the vertical block 61 to abut against the third positioning rod 64, after the installation is completed, the sliding square rod 184 is pushed to enable the third positioning rod 64 to contact with the first positioning seat 182, then the coaxiality is detected, then the coupler 23 is rotated to enable the vertical block 61 to contact with the first positioning rod 62 or the second positioning rod 63, meanwhile, the sliding square rod 184 is pushed to enable the third positioning rod 64 to abut against the second positioning seat 183, and the vertical block 61 contacts with the third positioning rod 64; therefore, the coaxiality of the coupler 23 is detected from three points, and the position of the previous detection can be quickly positioned during the retest, so that the precision and the efficiency during the detection are improved; meanwhile, when the positioning mechanism 6 is not used, the positioning mechanism 6 can be detached from the base 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a laser centering instrument, includes bracket (2), sets up the laser instrument on bracket (2), be provided with fixing device (3) be connected with shaft coupling (23) on bracket (2), its characterized in that: two bracket (2) can be dismantled through two connecting device (4) and link together, connecting device (4) include connecting rod (41), two positioning disk (42), two set nut (43), joint groove (24) have been seted up on bracket (2), connecting rod (41) joint is installed on joint groove (24) and both ends have seted up screw thread section (412), two positioning disk (42) set up on connecting rod (41) and contradict on the lateral wall of two relative one sides of bracket (2), two set nut (43) threaded connection is in screw thread section (412) and support tightly on the lateral wall of two opposite sides of bracket (2).

2. The laser centering instrument of claim 1, wherein: set up mounting plane (411) that link through connecting rod (41) both ends on connecting rod (41), be provided with scale mark and the digital label who shows the distance in relation to connecting rod (41) axis perpendicular bisector mirror image on mounting plane (411).

3. The laser centering instrument of claim 1, wherein: fixing device (3) include two fixed plates (31), support depression bar (32), locking Assembly (33), two fixed plate (31) set up on bracket (2), support depression bar (32) and rotate to set up on fixed plate (31) and be connected and press from both sides tight shaft coupling (23) with bracket (2) cooperation with another fixed plate (31), locking Assembly (33) set up and just be used for being connected with fixed plate (31) on supporting depression bar (32).

4. A laser centering instrument according to claim 3, wherein: locking Assembly (33) are including locking screw (34), locking disc (35), locking screw (34) set up on propping depression bar (32), keep away from prop and offer on depression bar (32) rotation one side fixed plate (31) with locking screw (34) joint complex fixed slot (311), locking disc (35) threaded connection just supports tightly on fixed plate (31) on locking screw (34).

5. A method of aligning a coupling, comprising: the method comprises the following steps:

s1, mounting a laser centering instrument, and mounting the laser centering instrument of any one of claims 1-4 on couplings (23) of two devices;

s2, detecting to obtain data, and rotating the coupler (23) to detect the coaxiality of the two equipment couplers (23);

s3, adjusting the positions of the couplers (23), and adjusting the positions of the two couplers (23) through the adjusting device (5) according to the data obtained in the S2;

s4, rechecking, and detecting the coaxiality of the two couplers (23) again; and (4) when the coaxiality meets the requirement, the coupler (23) is aligned, and the coaxiality does not meet the requirement, the step S3 is continued.

6. The method of aligning a coupling of claim 5, wherein: adjusting device (5) are including sliding plate (51), horizontal adjustment mechanism (52), height adjustment mechanism (53), sliding plate (51) slide and set up on base (1) that is used for the installation equipment and one of them equipment setting is on sliding plate (51), be provided with on sliding plate (51) and be used for fixed lead screw (13) of sliding plate (51), horizontal adjustment mechanism (52) set up on base (1) and be used for the position of horizontal adjustment sliding plate (51), height adjustment mechanism (53) set up on sliding plate (51) and are used for adjusting the height of equipment on sliding plate (51).

7. The method of aligning a coupling of claim 6, wherein: horizontal adjustment mechanism (52) are provided with two and are located the both sides of sliding plate (51), horizontal adjustment mechanism (52) are including removing screw rod (521), horizontal push pedal (522), removal nut (523), remove screw rod (521) threaded connection on base (1), horizontal push pedal (522) are placed on base (1) and are contradicted on sliding plate (51), it is connected with horizontal push pedal (522) rotation to remove screw rod (521), remove nut (523) threaded connection and just support tightly on base (1) on removing screw rod (521), be provided with first scale (15) on base (1), sliding plate (51) are provided with first pointer (511) of directional first scale (15).

8. The method of aligning a coupling of claim 6, wherein: the height adjusting mechanism (53) comprises a fixed block (54), a lifting block (55) and a height adjusting component (56), the fixed block (54) is vertically arranged on the sliding plate (51) in a sliding manner, one device is arranged on a fixed block (54), the lifting block (55) is arranged on the sliding plate (51) in a sliding way and supported on the fixed block (54), the fixed block (54) and the lifting block (55) are both provided with inclined guide surfaces (551) which are attached together, a fastening screw (162) for fixing the position of the fixed block (54) is arranged on the sliding plate (51), the height adjusting component (56) is arranged on the sliding plate (51) and is connected with the lifting block (55), the sliding plate (51) is provided with a second scale (163), and the fixed block (54) is provided with a second pointer (542) pointing to the second scale (163).

9. The method of aligning a coupling of claim 8, wherein: the height adjusting assembly (56) comprises an adjusting screw rod (57) and an adjusting nut (58), the adjusting screw rod (57) is in threaded connection with the sliding plate (51) and is in rotational connection with the lifting block (55), and the adjusting nut (58) is in threaded connection with the adjusting screw rod (57) and abuts against the sliding plate (51).

10. The method of aligning a coupling of claim 6, wherein: be provided with positioning mechanism (6) on base (1), positioning mechanism (6) include vertical piece (61), first locating lever (62), second locating lever (63), third locating lever (64), vertical piece (61) sets up on the relative both sides wall of bracket (2), first locating lever (62) and second locating lever (63) set up on base (1) and are located the both sides of bracket (2) and all can contact with vertical piece (61), first locating lever (62) and second locating lever (63) are the tilt state, third locating lever (64) slide set up on base (1) and are located between first locating lever (62) and second locating lever (63), when vertical piece (61) and third locating lever (64) contact, the laser is vertical state, promote simultaneously third locating lever (64) keep away from vertical piece (61) and can make vertical piece (61) wind third locating lever (64) and first locating lever (62) and connect And (4) contacting.

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