CN109352327B - Laser centering equipment for cylinder and slideway of reciprocating compressor unit and application method thereof - Google Patents
Laser centering equipment for cylinder and slideway of reciprocating compressor unit and application method thereof Download PDFInfo
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- CN109352327B CN109352327B CN201811286809.XA CN201811286809A CN109352327B CN 109352327 B CN109352327 B CN 109352327B CN 201811286809 A CN201811286809 A CN 201811286809A CN 109352327 B CN109352327 B CN 109352327B
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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Abstract
The invention relates to the field of centering equipment, in particular to laser centering equipment for a reciprocating compressor unit cylinder and a slideway and a using method thereof. The laser centering device comprises a dummy shaft, wherein sleeve rings which are sleeved on the dummy shaft and have the same axle center with the dummy shaft are arranged on the left side and the right side of the dummy shaft respectively, the sleeve rings are connected with the dummy shaft through bearings, adjusting devices are fixed at the upper end and the lower end of each sleeve ring, a dial indicator support is fixed on the dummy shaft outside each sleeve ring, a dial indicator is fixed at the upper end of each dial indicator support, and a sensor unit of a laser centering instrument is fixed on the dummy shaft. The adjusting device is simple in structure, convenient to operate, clean and tidy in implementation environment, capable of adjusting two ends of the dummy shaft simultaneously through the adjusting device, capable of greatly improving the working efficiency of the centering process and preventing the dummy shaft from inclining, convenient to install and capable of reducing the labor intensity of workers.
Description
Technical Field
The invention relates to the field of centering equipment, in particular to laser centering equipment for a reciprocating compressor unit cylinder and a slideway and a using method thereof.
Background
The large reciprocating piston compressor set is a core device with high price in petrochemical equipment and belongs to key rotating equipment. The on-site installation and debugging procedures of the unit are complex and the quality requirement is strict. The inspection and adjustment of the concentricity of the cylinder and the slide way are the key points and difficulties of detection and adjustment in all installation procedures of the unit. If the detection is inaccurate, the adjustment cannot reach the standard, the whole installation work progress is influenced, the damage speed of a main shaft bush, a piston ring, a cylinder mirror surface and the like is increased if the piston force additionally bearing high load is light during the operation and use of the unit, the work efficiency and the service life of the unit are reduced, and the main shaft bush of a crankcase is easy to burn and the piston rod is easy to break under the action of alternating load, so that serious equipment accidents and safety accidents are caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing the laser centering equipment for the cylinder and the slideway of the reciprocating compressor unit, which is convenient and simple, easy to operate, high in efficiency and clean and tidy in implementation environment, and the using method thereof.
In order to achieve the purpose, the invention provides the technical scheme that:
a laser centering device for a reciprocating compressor set cylinder and a slideway comprises a dummy shaft, wherein sleeve rings which are sleeved on the dummy shaft and have the same axle center with the dummy shaft are arranged on the left side and the right side of the dummy shaft, the sleeve rings are connected with the dummy shaft through bearings, adjusting devices are fixed on the upper end and the lower end of each sleeve ring, each adjusting device comprises a vertical screw sleeve which is hinged with the sleeve ring, a second screw rod which has the same axle center with the sleeve rings is connected with the screw sleeve through internal threads, a lifting block is fixed on one end, far away from the screw sleeve, of the second screw rod, a third screw rod which has the same axle center with the second screw rod is connected on one end, far away from the second screw rod, of the third screw rod, the end, far away from the lifting block, of the third screw rod is in a ball head shape, a fixing plate is fixed on the sleeve ring on the rear side of the screw sleeve, support plates are fixed on the left side and the right side of the, a rack parallel to the dummy shaft is arranged above and below the dummy shaft, the left end and the right end of the rack above the dummy shaft are respectively meshed with second gears of adjusting devices at the upper ends of lantern rings at the left side and the right side, the left end and the right end of the rack below the dummy shaft are respectively meshed with second gears of adjusting devices at the lower ends of the lantern rings at the left side and the right side, the rack is clamped in a chute on a fixed plate and is in sliding fit with the fixed plate, inverted U-shaped fixed members are fixed at the left end of the fixed plate on the lantern ring at the left side, the left end of the rack is positioned in the fixed members, transverse first screw rods are hinged on the fixed members, first gears coaxial with the first screw rods are fixed at the left ends of the first screw rods, fixed rings are sleeved on the two fixed members, the fixed rings are coaxial with the dummy shaft, a rotating ring is sleeved on the fixed rings, the rotating ring and the fixed rings are clamped in annular grooves at the inner edge of, the inner gear ring is meshed with the first gear, the dummy shafts on the outer sides of the lantern rings are respectively fixed with a dial indicator support, one end, far away from the dummy shafts, of the dial indicator support is fixed with a dial indicator, and the dummy shafts are fixed with sensor units of the laser centering instrument.
Specifically, a handle is fixed on the outer edge of the rotating ring.
Specifically, the dial indicator support comprises a fixed block fixed on the dummy shaft, a supporting rod is fixed at the upper end of the fixed block, a fixing rod perpendicular to the supporting rod is fixed at one end of the supporting rod far away from the fixed block, and the fixing rod is fixedly connected with the dial indicator.
Specifically, the support rods on the left side and the right side are parallel to each other and are positioned on the same side of the dummy shaft.
Compared with the prior art, the invention has the beneficial effects that:
the adjusting device is simple in structure, convenient to operate, clean and tidy in implementation environment, capable of adjusting two ends of the dummy shaft simultaneously through the adjusting device, capable of greatly improving the working efficiency of the centering process and preventing the dummy shaft from inclining, convenient to install and capable of reducing the labor intensity of workers.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a schematic structural view of the inner ring gear driving the first gear to rotate.
Part names in the drawings are as follows:
1. the device comprises a dummy shaft, 2, a fixed block, 3, a support rod, 4, a fixed rod, 5, a dial indicator, 6, a lantern ring, 7, a bearing, 8, a rotating ring, 9, an inner toothed ring, 10, a first gear, 11, a first screw rod, 12, a fixed part, 13, a fixed ring, 14, a ring groove, 15, a handle, 16, a rack, 17, a threaded sleeve, 18, a second gear, 19, a fixed plate, 20, a support plate, 21, a second screw rod, 22, a lifting block, 23, a third screw rod, 24 and a sensor unit.
Detailed Description
As shown in fig. 1-3, the laser centering device for the cylinder and the slideway of the reciprocating compressor unit comprises a dummy shaft 1, wherein the left side and the right side of the dummy shaft 1 are both provided with a sleeve ring 6 which is sleeved on the dummy shaft 1 and has the same axle center with the dummy shaft 1, the sleeve ring 6 is connected with the dummy shaft 1 through a bearing 7, the upper end and the lower end of the sleeve ring 6 are both fixed with an adjusting device, the adjusting device comprises a vertical screw sleeve 17 which is hinged with the sleeve ring 6, the screw sleeve 17 is in internal thread connection with a second screw 21 which has the same axle center with the screw sleeve, one end of the second screw 21 far away from the screw sleeve 17 is both fixed with a lifting block 22, one end of the lifting block 22 far away from the second screw 21 is in thread connection with a third screw 23 which has the same axle center with the second screw 21, one end of the third screw 23 far away from the lifting block 22 is in a ball shape, a fixing plate 19 is, the lifting block 22 is positioned between two support plates 20, the two support plates 20 are respectively clamped in sliding grooves on the left side and the right side of the lifting block 22, a second gear 18 which is coaxial with the lifting block is fixed on the outer edge of a threaded sleeve 17, racks 16 which are parallel to the lifting block are arranged above and below a dummy shaft 1, the left end and the right end of the rack 16 above the dummy shaft 1 are respectively meshed with the second gears 18 of adjusting devices on the upper ends of lantern rings 6 on the left side and the right side, the left end and the right end of the rack 16 below the dummy shaft 1 are respectively meshed with the second gears 18 of the adjusting devices on the lower ends of the lantern rings 6 on the left side and the right side, the rack 16 is clamped in the sliding groove on a fixing plate 19, the rack 16 is in sliding fit with the fixing plate 19, an inverted U-shaped fixing member 12 is fixed at the left end of the fixing plate 19 on the lantern ring 6 on the left side, the left end of the rack 16 is positioned in, the fixed ring 13 is sleeved on two fixing pieces 12, the fixed ring 13 and the dummy shaft 1 are coaxial, the rotating ring 8 is sleeved on the fixed ring 13, a handle 15 is fixed on the outer edge of the rotating ring 8, the rotating ring 8 and the fixed ring 13 are coaxial, the fixed ring 13 is clamped in a ring groove 14 of the inner edge of the rotating ring 8, the fixed ring 13 and the rotating ring 8 are in running fit, an inner toothed ring 9 coaxial with the rotating ring 8 is fixed on the inner edge of the rotating ring 8, the inner toothed ring 9 is meshed with a first gear 10, a dial indicator support is fixed on the dummy shaft 1 outside the lantern ring 6, a dial indicator 5 is fixed on one end of the dial indicator support far away from the dummy shaft 1, the dial indicator support comprises a fixed block 2 fixed on the dummy shaft 1, a supporting rod 3 is fixed on the upper end of the fixed block 2, a fixing rod 4 vertical to the supporting rod 3 is fixed on one end of the supporting rod 3 far away from the fixed block 2, the fixing rod 4 is fixedly connected with the, a sensor unit 24 of the laser centering instrument is fixed on the dummy shaft 1.
When the device is used, laser centering equipment of the two reciprocating compressor set cylinders and the slide way is respectively placed in the cylinders and the slide way, the upper and lower third screw rods 23 of the laser centering equipment of the reciprocating compressor set cylinders and the slide way in the cylinders are simultaneously screwed, so that the third screw rods 23 move towards the direction far away from the lifting block 22 until the ball-head-shaped end of the third screw rods 23 tightly props against the inner edge of the cylinder, at the moment, the movement track of the axial central line of the dummy shaft 1 passes through the axial central line of the cylinder, the contact of the dial indicator 5 is beaten on the inner edge of the cylinder, the dummy shaft 1 is rotated, the actual deviation value of the central line of the dummy shaft 1 and the central line of the cylinder to be measured is judged through the reading of the dial indicator 5, then the rotating ring 8 is rotated through the handle 15, the inner gear ring 9 can drive the first gear 10 to rotate at the same direction and speed, the first screw rod 11 is hinged with the fixed piece 12, the rack 16 is meshed, therefore, when the first screw 11 rotates, the two racks 16 will simultaneously move left or right along the length direction, when the racks 16 move, the racks 16 will drive the screw sleeve 17 on the lantern ring 6 to rotate, because the screw sleeve 17 is hinged with the lantern ring 6, the screw sleeve 17 is internally threaded with the second screw 21 coaxial with the screw sleeve 17, one end of the second screw 21 far away from the screw sleeve 17 is fixed with the lifting block 22, the two supporting plates 20 are respectively clamped in the chutes at the left and right sides of the lifting block 22, and the supporting plate 20 is fixed on the fixing plate 19, so when the screw sleeves 17 at the upper and lower ends of the lantern ring 6 rotate, the lifting blocks 22 above and below will move in the same direction, at this time, the dummy shaft 1 will move in the cylinder, so as to correct the deviation between the axial center line of the dummy shaft 1 and the axial center line of the cylinder, until the axial center line of the dummy shaft 1 in the cylinder coincides with the axial center line of the cylinder, and simultaneously engaged with the second gears 18 in the left and right adjusting devices, so that the lifting blocks 22 of the left and right adjusting devices can move simultaneously when the rack 16 moves, the adjustment of the dummy shaft 1 is convenient, and the dummy shaft 1 can be prevented from inclining in the cylinder.
The method comprises the following steps of enabling the axial center lines of the dummy shafts 1 in the slide ways to coincide with the axial center lines of the slide ways, enabling the sensor units 24 in the air cylinders and the slide ways to correspond to each other and then to be electrically connected with a laser centering instrument through sensor cables, simultaneously rotating the dummy shafts 1 in the air cylinders and the slide ways, displaying the concentricity deviation of the two dummy shafts 1 on a display device of the laser centering instrument, adjusting the horizontal or vertical deviation of the air cylinders by adjusting the adjusting screws of the cylinder head supporting plates and the connecting surfaces of the middle bodies and the connecting cylinders, and uniformly tightening the middle bodies, the connecting cylinder bolts and the supporting plate foundation bolts after the adjustment is qualified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. Laser centering equipment for a reciprocating compressor unit cylinder and a slideway comprises a dummy shaft (1) and is characterized in that sleeve rings (6) which are sleeved on the dummy shaft (1) and have the same axle center with the dummy shaft are arranged on the left side and the right side of the dummy shaft (1), the sleeve rings (6) are connected with the dummy shaft (1) through bearings (7), adjusting devices are fixed on the upper end and the lower end of each sleeve ring (6), each adjusting device comprises a vertical screw sleeve (17) hinged with the corresponding sleeve ring (6), a second screw rod (21) which has the same axle center with the screw sleeve (17) is in internal thread connection with the screw sleeve (17), a lifting block (22) is fixed on one end, away from the screw sleeve (17), of each lifting block (22), of one end, away from the second screw rod (21), of each lifting block (22) is in threaded connection with a third screw rod (23) which has the same axle center with the second screw rod (21), and one end, away from the lifting block (, a fixing plate (19) is fixed on the lantern ring (6) at the rear side of the screw sleeve (17), support plates (20) are fixed on the left side and the right side of the upper end of the fixing plate (19), the lifting block (22) is positioned between the two support plates (20), the two support plates (20) are respectively clamped in chutes on the left side and the right side of the lifting block (22), a second gear (18) coaxial with the screw sleeve (17) is fixed on the outer edge of the screw sleeve (17), racks (16) parallel to the dummy shaft (1) are respectively arranged above and below the dummy shaft (1), the left end and the right end of the rack (16) above the dummy shaft (1) are respectively meshed with the second gears (18) of the adjusting devices at the upper ends of the lantern rings (6) on the left side and the right side, the left end and the right end of the rack (16) below the dummy shaft (1) are respectively meshed with the second gears (18) of the adjusting devices at the lower ends of the lantern rings (6) on the, an inverted U-shaped fixing piece (12) is fixed at the left end of a fixing plate (19) on a left lantern ring (6), the left end of a rack (16) is positioned in the fixing piece (12), the fixing piece (12) is hinged with a transverse first screw rod (11), a first gear (10) coaxial with the first screw rod (11) is fixed at the left end of the first screw rod (11), the fixing ring (13) is sleeved on the two fixing pieces (12), the fixing ring (13) is coaxial with a dummy shaft (1), a rotating ring (8) is sleeved on the fixing ring (13), the rotating ring (8) is coaxial with the fixing ring (13), the fixing ring (13) is clamped in a ring groove (14) on the inner edge of the rotating ring (8), the fixing ring (13) is in rotating fit with the rotating ring (8), an inner toothed ring (9) coaxial with the rotating ring (8) is fixed on the inner edge of the rotating ring (8), the inner toothed ring (9) is meshed with the first gear (10), dial indicator supports are fixed on the dummy shaft (1) on the outer side of the lantern ring, a dial indicator (5) is fixed on one end, far away from the dummy shaft (1), of the dial indicator support, and a sensor unit (24) of the laser centering instrument is fixed on the dummy shaft (1).
2. Laser centring device for cylinders and slides of reciprocating compressor groups, according to claim 1, characterised in that a handle (15) is fixed on the outer edge of the swivel (8).
3. The laser centering device for the cylinder and the slideway of the reciprocating compressor unit according to claim 1, wherein the dial indicator support comprises a fixed block (2) fixed on the dummy shaft (1), a supporting rod (3) is fixed at the upper end of the fixed block (2), a fixing rod (4) perpendicular to the supporting rod (3) is fixed at one end of the supporting rod (3) far away from the fixed block (2), and the fixing rod (4) is fixedly connected with the dial indicator (5).
4. A laser centring device for cylinders and slides of reciprocating compressor groups according to claim 3, characterised in that the struts (3) on the left and right are parallel to each other and are located on the same side of the false shaft (1).
5. The method for using the laser centering equipment of the reciprocating compressor set cylinder and the slideway based on claim 1 is characterized in that when in use, the laser centering equipment of the two reciprocating compressor set cylinders and the slideway is respectively placed in the cylinder and the slideway, an upper third screw rod (23) and a lower third screw rod (23) of the laser centering equipment of the reciprocating compressor set cylinders and the slideway in the cylinder are simultaneously screwed, so that the third screw rods (23) move in the direction far away from the lifting block (22) until one ball-head-shaped end of each third screw rod (23) tightly props against the inner edge of the cylinder, at the moment, the movement track of the axial central line of the dummy shaft (1) passes through the axial central line of the cylinder, a contact of a dial indicator (5) is hit on the inner edge of the cylinder, the dummy shaft (1) is rotated, the actual deviation value between the central line of the dummy shaft (1) and the central line of the cylinder to be measured is judged through the reading of the dial indicator (5, when the rotating ring (8) rotates, the inner gear ring (9) can drive the first gear (10) to rotate at the same direction and the same speed, the first screw (11) is hinged with the fixing part (12), the racks (16) are meshed with the second gear (18) and are clamped in the sliding grooves on the fixing plate (19), therefore, when the first screw (11) rotates, the two racks (16) can simultaneously move leftwards or rightwards along the length direction, the racks (16) can drive the screw sleeve (17) on the lantern ring (6) to rotate when moving, because the screw sleeve (17) is hinged with the lantern ring (6), the screw sleeve (17) is internally threaded with a second screw (21) which is coaxial with the screw sleeve, a lifting block (22) is fixed at one end of the second screw (21) far away from the screw sleeve (17), the two support plates (20) are respectively clamped in the sliding grooves on the left side and the right side of the lifting block (22), and the support plates (20) are fixed on the fixing plate (19), therefore, when the threaded sleeves (17) at the upper end and the lower end of the lantern ring (6) rotate, the lifting blocks (22) at the upper part and the lower part move towards the same direction, the dummy shaft (1) moves in the cylinder at the moment, so that the deviation between the axial center line of the dummy shaft (1) and the axial center line of the cylinder is corrected until the axial center line of the dummy shaft (1) in the cylinder coincides with the axial center line of the cylinder, the dummy shaft (1) in the slideway coincides with the axial center line of the slideway according to the steps, the sensor units (24) in the cylinder and the slideway are mutually corresponding and then are respectively and electrically connected with the laser centering instrument through the sensor cable, the dummy shafts (1) in the cylinder and the slideway are rotated, the concentricity deviation of the two dummy shafts (1) is displayed on a display device of the laser centering instrument, and then the connection surfaces of the screw and the middle body and the connecting cylinder are adjusted by adjusting, and adjusting the horizontal or vertical deviation of the cylinder, and uniformly tightening the middle body, the connecting cylinder bolt and the supporting plate foundation bolt after the adjustment is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286809.XA CN109352327B (en) | 2018-10-31 | 2018-10-31 | Laser centering equipment for cylinder and slideway of reciprocating compressor unit and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286809.XA CN109352327B (en) | 2018-10-31 | 2018-10-31 | Laser centering equipment for cylinder and slideway of reciprocating compressor unit and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352327A CN109352327A (en) | 2019-02-19 |
| CN109352327B true CN109352327B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286809.XA Active CN109352327B (en) | 2018-10-31 | 2018-10-31 | Laser centering equipment for cylinder and slideway of reciprocating compressor unit and application method thereof |
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| Country | Link |
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| CN (1) | CN109352327B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433986B (en) * | 2020-11-03 | 2023-12-19 | 中国石油化工股份有限公司 | Stud welding tool applied to pipeline electric field fingerprint method corrosion detection technology |
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| US3328885A (en) * | 1963-04-17 | 1967-07-04 | Alcatel Sa | Device for the precise measurement of straight-line profiles |
| CN2395252Y (en) * | 1999-03-24 | 2000-09-06 | 中国石油兰州炼油化工总厂 | Laser alignmeter device for reciprocating compressor cylinder-slide way |
| DE10052072A1 (en) * | 2000-10-19 | 2002-05-02 | Heraeus Quarzglas | Procedure for processing of elongated hollow cylinder component made of quartz glass by means of laser radiation has laser beam with radiation aligned at cylinder inner surface of component guided over length of surface describing spiral |
| CN1437001A (en) * | 2002-02-08 | 2003-08-20 | 株式会社扫佳 | Laser centring device |
| KR20030071661A (en) * | 2003-06-19 | 2003-09-06 | 우경이엔지(주) | Laser projection system for alignment |
| CN203286993U (en) * | 2013-05-30 | 2013-11-13 | 天津二十冶建设有限公司 | Optics centering apparatus for motor shaft coupling |
| CN103591909A (en) * | 2013-10-12 | 2014-02-19 | 酒泉钢铁(集团)有限责任公司 | Simple calibration method of laser centering instrument |
| CN205096831U (en) * | 2015-09-22 | 2016-03-23 | 曹静 | Balanced flywheel installation of reciprocating compressor and shaft coupling alignment specialized tool |
| CN106089643B (en) * | 2016-08-06 | 2018-04-17 | 中国化学工程第十六建设有限公司 | A kind of reciprocating compressor installation method |
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2018
- 2018-10-31 CN CN201811286809.XA patent/CN109352327B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328885A (en) * | 1963-04-17 | 1967-07-04 | Alcatel Sa | Device for the precise measurement of straight-line profiles |
| CN2395252Y (en) * | 1999-03-24 | 2000-09-06 | 中国石油兰州炼油化工总厂 | Laser alignmeter device for reciprocating compressor cylinder-slide way |
| DE10052072A1 (en) * | 2000-10-19 | 2002-05-02 | Heraeus Quarzglas | Procedure for processing of elongated hollow cylinder component made of quartz glass by means of laser radiation has laser beam with radiation aligned at cylinder inner surface of component guided over length of surface describing spiral |
| CN1437001A (en) * | 2002-02-08 | 2003-08-20 | 株式会社扫佳 | Laser centring device |
| KR20030071661A (en) * | 2003-06-19 | 2003-09-06 | 우경이엔지(주) | Laser projection system for alignment |
| CN203286993U (en) * | 2013-05-30 | 2013-11-13 | 天津二十冶建设有限公司 | Optics centering apparatus for motor shaft coupling |
| CN103591909A (en) * | 2013-10-12 | 2014-02-19 | 酒泉钢铁(集团)有限责任公司 | Simple calibration method of laser centering instrument |
| CN205096831U (en) * | 2015-09-22 | 2016-03-23 | 曹静 | Balanced flywheel installation of reciprocating compressor and shaft coupling alignment specialized tool |
| CN106089643B (en) * | 2016-08-06 | 2018-04-17 | 中国化学工程第十六建设有限公司 | A kind of reciprocating compressor installation method |
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| CN109352327A (en) | 2019-02-19 |
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