CN111551156B - Forced centering device for precision engineering measurement - Google Patents
Forced centering device for precision engineering measurement Download PDFInfo
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- CN111551156B CN111551156B CN202010525786.4A CN202010525786A CN111551156B CN 111551156 B CN111551156 B CN 111551156B CN 202010525786 A CN202010525786 A CN 202010525786A CN 111551156 B CN111551156 B CN 111551156B
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- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 8
- 239000010703 silicon Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 208000032837 Ring chromosome 16 syndrome Diseases 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a forced centering device for precision engineering measurement, which comprises: the fixed plate, the upper portion of fixed plate is equipped with the box body and the box body is provided with two sets ofly, be parallel to each other between the box body and install the upper and lower both ends at the fixed plate, the right side that the inside of box body was equipped with screw rod and screw rod is equipped with the crank, the surface that the surface of screw rod was equipped with sliding block and box body is equipped with the spout, sliding connection between sliding block and the spout, sliding block upper portion is equipped with the inside lifter that is equipped with of first loose axle and first loose axle, the upper portion of lifter is equipped with the second loose axle. The lower part of the mounting plate is provided with the support rod and the limiting ring, the limiting ring is sleeved on the surface of the telescopic rod, the centering column structure is fixed through the limiting ring, so that the balance of the centering disc can be ensured, meanwhile, the surface of the silicon chip is provided with the embedding groove and the second threaded hole for instrument connection, and the silicon chip is connected with the first threaded column through the cover plate, so that the protection effect is achieved when the silicon chip is not used.
Description
Technical Field
The invention relates to the technical field of engineering measurement, in particular to a forced centering device for precision engineering measurement.
Background
The engineering measurement is an important component of engineering construction, and comprises control measurement and topographic measurement in a planning and design stage, construction measurement, equipment installation measurement and completion measurement in a construction stage, deformation measurement in an operation and management stage and the like. For large-scale engineering and special engineering, such as railways, tunnels, mines, bridges, national defense engineering and the like, precise engineering measurement is required to be carried out so as to adapt to high standard requirements provided by construction, positioning or deformation observation of the engineering. In order to ensure high precision of observation data and reliability of results, a conventional temporary tripod erecting instrument is not generally used in precision engineering measurement, but an observation pier or a permanent steel tripod is established to eliminate centering errors of a repeatedly erected instrument.
At present, the existing centering device has the following problems: 1. the existing centering device is generally directly placed on the ground when being fixed, is easy to shake, so that the measurement precision cannot be guaranteed, meanwhile, the screws in the forced centering device are generally arranged on the outer side, are not easy to open again after being used for a long time, and are not convenient to disassemble and assemble when being arranged in the observation pier; 2. after the traditional centering device is installed and fixed, the structure of the traditional centering device cannot be adjusted again, and the use of a measuring instrument cannot be met. For this reason, a new scheme needs to be designed to give improvements.
Disclosure of Invention
The invention aims to provide a forced centering device for precision engineering measurement, wherein a support rod and a limiting ring are arranged at the lower part of a mounting plate of the centering device, the limiting ring is sleeved on the surface of a telescopic rod, the centering column is fixed by the limiting ring, so that the balance of a centering disc can be ensured, meanwhile, a tabling groove and a second threaded hole for instrument connection are arranged on the surface of a silicon chip, and are connected with a first threaded column through a cover plate, so that the forced centering device has a protection effect when not in use, and the actual use requirement is met.
In order to achieve the purpose, the invention provides the following technical scheme: a precision engineering measurement forced centering device comprises: a fixing plate, wherein the upper part of the fixing plate is provided with a box body and two groups of box bodies, the box bodies are parallel to each other and are arranged at the front end and the rear end of the upper surface of the fixing plate, a screw rod is arranged in the box body, a crank is arranged on the right side of the screw rod, a sliding block is arranged on the surface of the screw rod, a sliding groove is arranged on the surface of the box body, the sliding block is connected with the sliding groove in a sliding manner, a first movable shaft is arranged on the upper part of the sliding block, a lifting rod is arranged in the first movable shaft, a second movable shaft is arranged on the upper part of the lifting rod, the lifting rod is rotatably connected with the first movable shaft and the second movable shaft, a mounting plate is arranged on the upper part of the second movable shaft, a centering disc is arranged on the upper part of the mounting plate, the second movable shaft is fixed with the mounting plate through bolts, a support rod is arranged on the lower part of the mounting plate, and a limit ring is arranged on the lower part of the support rod, the limiting ring and the supporting rod are integrally formed and are welded and fixed with the mounting plate, an inverted funnel-shaped structure is formed among the supporting rod, the limiting ring and the mounting plate, a fixing seat is arranged on the surface of the middle part of the fixing plate, a fixing hole is formed in the fixing seat, the fixing seat penetrates through the fixing hole and is fixedly connected with the fixing plate through a bolt, a connecting column is arranged on the surface of the fixing seat, a first threaded hole is formed in the connecting column, a centering column is arranged in the first threaded hole, a second threaded column is arranged at the bottom of the centering column and is in threaded connection with the first threaded hole, a mounting groove is formed in the centering column, a telescopic rod is arranged in the mounting groove, the limiting ring is sleeved on the surface of the centering column and is in sliding connection with the centering column, an embedding groove is formed in the surface of the centering disc, and a second threaded hole is formed in the embedding groove, the side of gomphosis groove is equipped with centering groove and is provided with three groups and be the circumference along the second screw hole and distribute, the inside of fixed plate is equipped with adjusts the pole and adjusts threaded connection between pole and the fixed plate, the upper portion of adjusting the pole is equipped with the adjusting disk and the bottom is equipped with the drill bit.
As a preferred embodiment of the present invention, the bottom of the fixing plate is provided with universal wheels, the universal wheels are fixedly connected to the fixing plate through bolts, and the universal wheels are provided with four groups and uniformly distributed at four corners.
As a preferred embodiment of the invention, the left side of the screw rod is provided with a forward thread and the right side of the screw rod is provided with a reverse thread, and the two sets of sliding blocks are respectively in threaded connection with the forward thread and the reverse thread.
In a preferred embodiment of the present invention, a cover plate is disposed outside the fitting groove, the cover plate and the fitting groove are fitted to each other, a first threaded stud is disposed at a bottom of the cover plate, the first threaded stud is screwed into the second threaded hole, and a hexagonal through hole is disposed in a middle of the cover plate.
As a preferred embodiment of the present invention, a vertical column is disposed inside the mounting groove, an insertion groove is disposed inside the telescopic rod, the vertical column is inserted inside the insertion groove, a movable plate is disposed at the bottom of the telescopic rod, the movable plate and the mounting groove are engaged with each other, a buffer column is disposed outside the vertical column and located on the surface of the vertical column, and the upper end surface of the buffer column and the movable plate are in contact with each other.
As a preferred embodiment of the present invention, two ends of the lifting rod are arranged in an arc structure, and the upper end and the lower end of the lifting rod are provided with mounting holes, and the mounting holes are respectively connected with the first movable shaft and the second movable shaft.
In a preferred embodiment of the present invention, a limiting plate is disposed at a lower portion of the adjusting rod, the limiting plate is sleeved on a surface of the adjusting rod, and the limiting plate is slidably connected to the adjusting rod.
As a preferred embodiment of the present invention, the front and rear sides of the upper surface of the fixing plate are provided with scale marks, and the scale marks are located on two opposite sides of the two box bodies.
Compared with the prior art, the invention has the following beneficial effects:
(1) the universal wheels are arranged at the bottom of the fixing plate to facilitate the movement of the device, meanwhile, the surface of the fixing plate is provided with the adjusting disc and the adjusting rod which are matched with the drill bit, so that the mounting stability of the fixing plate is improved, meanwhile, the surface of the mounting plate is provided with a box body, the interior of the box body is provided with a sliding block, the upper end of the sliding block is provided with a lifting rod and is connected with the mounting plate at the bottom of the silicon chip, the centering plate is supported, meanwhile, the middle part of the fixed plate is provided with a connecting column, a centering column is arranged in the connecting column, a telescopic rod is arranged in the centering column, the lower part of the mounting plate is provided with a support rod and a limiting ring, the limiting ring is sleeved on the surface of the telescopic rod, because the centering column structure is fixed, the balance of the centering disc can be guaranteed through the limiting ring, meanwhile, the surface of the silicon chip is provided with the embedding groove and the second threaded hole which are used for instrument connection, and the silicon chip is connected with the first threaded column through the cover plate, so that the effect of protection is achieved when the silicon chip is not used.
(2) According to the invention, the screw rod is arranged in the box body, the crank drives the screw rod to rotate, so that the sliding blocks on the surface of the screw rod move oppositely, the lifting rod is driven to rotate in the first movable shaft, the centering disc is driven to move up and down, the height of the centering disc is adjusted when the box is convenient to use, meanwhile, the telescopic part arranged in the centering column is telescopic up and down through the buffer column arranged in the centering column, the limiting ring slides on the surface of the centering disc when the centering disc is adjusted in height, and meanwhile, the telescopic part is retracted after touching the mounting plate, so that the mounting plate is supported, and the stability of the centering disc is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of a fixing plate according to the present invention;
FIG. 3 is a bottom view of the centering plate of the present invention;
FIG. 4 is a schematic view of the surface structure of the centering disk of the present invention;
FIG. 5 is a schematic view of a centering post according to the present invention;
FIG. 6 is a schematic view of the lifter of the present invention;
FIG. 7 is a schematic view of the internal structure of the centering column according to the present invention.
In the figure: a fixed plate-1, a universal wheel-2, a box body-3, a crank-4, a screw-5, a sliding block-6, a first movable shaft-7, an adjusting disk-8, an adjusting rod-9, a limiting plate-10, a drill-11, a centering column-12, a mounting plate-13, a centering disk-14, a second movable shaft-15, a limiting ring-16, a supporting rod-17, a lifting rod-18, a sliding chute-19, a fixed seat-20, a fixed hole-21, a connecting column-22, a first threaded hole-23, a tabling groove-24, a second threaded hole-25, a cover plate-26, a hexagonal through hole-27, a first threaded column-28, a centering groove-29, a second threaded column-30, a telescopic rod-31, a mounting hole-32, a positioning groove-30, a positioning groove-9, a positioning groove-14, a positioning rod-15, a positioning rod-16, a positioning rod-17, a positioning rod-9, a positioning rod-15, a positioning rod-9, a positioning rod, the device comprises a mounting groove-33, a buffer column-34, an upright column-35, a movable plate-36, an inserting groove-37 and scale marks-38.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a precision engineering measurement forced centering device comprises: a fixing plate 1, wherein the upper part of the fixing plate 1 is provided with a box body 3 and the box body 3 is provided with two groups, the upper part of the fixing plate 1 is provided with the box body 3 and the box body 3 is provided with two groups, the box bodies 3 are parallel to each other and are arranged at the front and back ends of the upper surface of the fixing plate 1, the box body 3 is internally provided with a screw 5 and the right side of the screw 5 is provided with a crank 4, the surface of the screw 5 is provided with a sliding block 6 and the surface of the box body 3 is provided with a sliding groove 19, the sliding block 6 is in sliding connection with the sliding groove 19, the upper part of the sliding block 6 is provided with a first movable shaft 7 and a lifting rod 18 is arranged inside the first movable shaft 7, the upper part of the lifting rod 18 is provided with a second movable shaft 15 and the lifting rod 18 is in rotating connection with the first movable shaft 7 and the second movable shaft 15, the upper part of the second movable shaft 15 is provided with a mounting plate 13 and the upper part of the mounting plate 13 is provided with a centering plate 14, the second movable shaft 15 is fixed with the mounting plate 13 through bolts, the lower part of the mounting plate 13 is provided with a support rod 17, the lower part of the support rod 17 is provided with a limit ring 16, the limit ring 16 and the support rod 17 are integrally formed and are welded and fixed with the mounting plate 13, an inverted funnel-shaped structure is formed between the support rod 17, the limit ring 16 and the mounting plate 13, the middle surface of the fixing plate 1 is provided with a fixing seat 20, the inside of the fixing seat 20 is provided with a fixing hole 21, the fixing seat 20 is fixedly connected with the fixing plate 1 by penetrating through the fixing hole 21 through a bolt, the surface of the fixing seat 20 is provided with a connecting column 22, the inside of the connecting column 22 is provided with a first threaded hole 23, a centering column 12 is arranged inside the first threaded hole 23, the bottom of the centering column 12 is provided with a second threaded column 30, the second threaded column 30 is in threaded connection with the first threaded hole 23, the inside of the centering column 12 is provided with a mounting groove 33, a telescopic rod 31 is arranged inside the mounting groove 33, the limit ring 16 is sleeved on the surface of the centering column 12 and is in sliding connection with the centering column 12, the surface of the centering plate 14 is provided with an embedding groove 24, the inside of the embedding groove 24 is provided with a second threaded hole 25, the side surface of the embedding groove 24 is provided with a centering groove 29, the centering grooves 29 are provided with three groups and are distributed along the circumference of the second threaded hole 25, the inside of the fixed plate 1 is provided with an adjusting rod 9, the adjusting rod 9 is in threaded connection with the fixed plate 1, the upper part of the adjusting rod 9 is provided with an adjusting plate 8, the bottom of the adjusting rod 9 is provided with a drill bit 11, after the device is moved to a specified position, the adjusting plate 8 is rotated to rotate the adjusting rod 9 connected with the lower part of the adjusting plate 8 to lower the drill bit 11 at the tail end of the adjusting plate to ensure the stability of the fixed plate 1, simultaneously, the crank 4 on the side surface of the box body 3 is rotated to drive the internal screw rod 5 to rotate, the opposite movement is carried out between the lifting rod 18 arranged inside the first movable shaft 7 on the upper part of the sliding rod 6 and the second movable shaft 15, thereby driving the mounting plate 13 to move up and down, the height adjustment of the centering plate 14 is realized, meanwhile, the centering column 12 is arranged inside the fixed seat 20 on the surface of the fixed plate 1 and the connecting column 22 on the surface of the fixed seat 20, the centering column 12 is connected with the limiting ring 16 arranged on the lower portion of the mounting plate 13, the offset angle of the centering plate 14 is limited by the arrangement of the limiting ring 16, the balance of the centering plate 14 is ensured, and the surface of the centering plate 14 is provided with the embedded groove 24 and the second threaded hole 25, so that the installation of a measuring instrument is facilitated.
Further improved, as shown in fig. 1: the bottom of fixed plate 1 is equipped with universal wheel 2 and passes through fixed connection between bolt and the fixed plate 1, universal wheel 2 is provided with four groups and evenly distributed in four corners, and universal wheel 2's the convenient device that sets up removes, and is fixed through the bolt simultaneously, convenient the dismantlement.
Further improved, as shown in fig. 1: the left side of screw rod 5 is forward screw thread and the right side is reverse screw thread, sliding block 6 be provided with two sets ofly and respectively with forward screw thread and reverse threaded between threaded connection, forward screw thread and reverse threaded set up make things convenient for sliding block 6's relative motion.
Further improved, as shown in fig. 4: the cover plate 26 is arranged outside the embedding groove 24, the cover plate 26 and the embedding groove 24 are mutually embedded, the first threaded column 28 is arranged at the bottom of the cover plate 26, the first threaded column 28 is in threaded connection with the second threaded hole 25, the hexagonal through hole 27 is arranged in the middle of the cover plate 26, the cover plate 26 is embedded in the embedding groove 24, meanwhile, the first threaded column 28 is connected with the second threaded hole 25, and the embedding groove 24 and the second threaded hole 25 can be effectively protected when the cover plate is not used.
Further improved, as shown in fig. 7: the installation groove 33 is internally provided with a vertical column 35, the telescopic rod 31 is internally provided with an insertion groove 37, the vertical column 35 is inserted in the insertion groove 37, the bottom of the telescopic rod 31 is provided with a movable plate 36, the movable plate 36 is embedded in the installation groove 33, the outer part of the vertical column 35 is provided with a buffer column 34, the buffer column 34 is positioned on the surface of the vertical column 35, the upper end surface of the buffer column 34 is contacted with the movable plate 36, the telescopic rod 31 is inserted in the installation groove 33, the vertical column 35 in the installation groove 33 is inserted in the insertion groove 37 in the telescopic rod 31, the stability of the telescopic rod 31 is ensured, meanwhile, the movable plate 36 at the bottom of the telescopic rod 31 is contacted with the buffer column 34 on the surface of the vertical column 35, the telescopic rod 31 is made to stretch in the centering column 12, the position ring 17 slides on the surface of the centering column 12 when the centering disc 14 adjusts the height, and the telescopic rod 31 retracts after touching the installation plate 13, the mounting plate 13 is supported, and the stability of the centering disk 14 is guaranteed.
Further improved, as shown in fig. 1: the lower part of the adjusting rod 9 is provided with a limiting plate 10, the limiting plate 10 is sleeved on the surface of the adjusting rod 9, the limiting plate 10 is connected with the adjusting rod 9 in a sliding mode, and the ground drilling depth of the drill bit 11 is limited by the limiting plate 10.
Further improved, as shown in fig. 2: scale marks 38 are arranged on the front side and the rear side of the upper surface of the fixing plate 1, the scale marks 38 are located on the two opposite sides of the two box bodies 3, and the scale marks 38 are convenient to observe and adjust the height.
After the device is moved to a designated position, the adjusting disc 8 is rotated to enable the adjusting rod 9 connected with the lower part of the adjusting disc to rotate and descend, so that a drill bit 11 at the tail end of the adjusting disc is drilled into a lower position to ensure the stability of the fixed plate 1, meanwhile, the crank 4 on the side surface of the box body 3 is rotated to drive the screw rod 5 in the adjusting disc to rotate, the sliding blocks 6 on the surface of the screw rod 5 move oppositely, the lifting rod 18 arranged in the first movable shaft 7 on the upper part of the sliding block 6 and the second movable shaft 15 rotate, so that the mounting plate 13 is driven to move up and down, the height adjustment of the centering disc 14 is realized, meanwhile, the centering column 12 is arranged in the fixed seat 20 on the surface of the fixed plate 1 and the connecting column 22 on the surface of the fixed seat 20, the centering column 12 is connected with the limiting ring 16 arranged on the lower part of the mounting plate 13, the arrangement of the limiting ring 16 limits the offset angle of the centering disc 14, the balance of the centering disc 14 is ensured, the embedding groove 24 and the second threaded hole 25 are arranged on the surface of the centering disc 14, the installation of measuring instrument is convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a precision engineering measurement forces homing device which characterized in that: the method comprises the following steps: fixed plate (1), the upper portion of fixed plate (1) is equipped with box body (3) and is provided with two sets ofly, be parallel to each other and install both ends around the upper surface of fixed plate (1) between box body (3), the right side that the inside of box body (3) was equipped with screw rod (5) and screw rod (5) is equipped with crank (4), the surface that the surface of screw rod (5) was equipped with sliding block (6) and box body (3) is equipped with spout (19), sliding connection between sliding block (6) and spout (19), sliding block (6) upper portion is equipped with first loose axle (7) and first loose axle (7) inside and is equipped with lifter (18), the upper portion of lifter (18) is equipped with second loose axle (15) and lifter (18) and rotates between first loose axle (7) and second loose axle (15) to be connected, second loose axle (15) upper portion is equipped with mounting panel (13) and mounting panel (13) upper portion is equipped with thoughts (14) and thoughts in the heart dish (14) are put in the letter ) The utility model discloses a fixing device for fixing a core, pass through the bolt fastening between second loose axle (15) and mounting panel (13), the lower part of mounting panel (13) is equipped with bracing piece (17) and the lower part of bracing piece (17) is equipped with spacing ring (16), integrated into one piece between spacing ring (16) and bracing piece (17) and mounting panel (13) between welded fastening, form the funnel-shaped structure of invering between bracing piece (17) and spacing ring (16) and mounting panel (13), the inside that fixed plate (1) middle part surface was equipped with fixing base (20) and fixing base (20) is equipped with fixed orifices (21), fixed base (20) run through fixed orifices (21) and fixed plate (1) between fixed connection through the bolt, fixing base (20) surface is equipped with spliced pole (22), the inside of spliced pole (22) is equipped with first screw hole (23) and first screw hole (23) inside is equipped with core return post (12), a second threaded column (30) is arranged at the bottom of the centering column (12), the second threaded column (30) is in threaded connection with the first threaded hole (23), the inside of the centering column (12) is provided with a mounting groove (33), the inside of the mounting groove (33) is provided with a telescopic rod (31), a limiting ring (16) is sleeved on the surface of the centering column (12) and is connected with the centering column (12) in a sliding way, the surface of the centering disc (14) is provided with an embedding groove (24), the interior of the embedding groove (24) is provided with a second threaded hole (25), the side surface of the tabling groove (24) is provided with centering grooves (29), the centering grooves (29) are provided with three groups and are distributed along the second threaded hole (25) in a circumferential way, an adjusting rod (9) is arranged inside the fixing plate (1), the adjusting rod (9) is in threaded connection with the fixing plate (1), the upper part of the adjusting rod (9) is provided with an adjusting disc (8) and the bottom of the adjusting rod is provided with a drill bit (11).
2. The precision engineering measurement forced centering device according to claim 1, wherein: the bottom of fixed plate (1) is equipped with fixed connection between universal wheel (2) and through bolt and fixed plate (1), universal wheel (2) are provided with four groups and evenly distributed in four corners.
3. The precision engineering measurement forced centering device according to claim 1, wherein: the left side of screw rod (5) is forward screw thread and the right side is reverse screw thread, sliding block (6) be provided with two sets ofly and respectively with forward screw thread and reverse threaded between threaded connection.
4. The precision engineering measurement forced centering device according to claim 1, wherein: the outer portion of the embedding groove (24) is provided with a cover plate (26), the cover plate (26) and the embedding groove (24) are mutually embedded, the bottom of the cover plate (26) is provided with a first threaded column (28), the first threaded column (28) is in threaded connection with the second threaded hole (25), and the middle of the cover plate (26) is provided with a hexagonal through hole (27).
5. The precision engineering measurement forced centering device according to claim 1, wherein: the utility model discloses a buffer structure, including mounting groove (33), stand (35) and telescopic link (31), the inside of mounting groove (33) inside be equipped with stand (35) and telescopic link (31) is equipped with inserting groove (37), stand (35) are pegged graft inside inserting groove (37) and the bottom of telescopic link (31) is equipped with movable plate (36) and mutual gomphosis between movable plate (36) and mounting groove (33), the outside of stand (35) is equipped with buffer column (34) and buffer column (34) are located stand (35) surface, mutual contact between the up end of buffer column (34) and movable plate (36).
6. The precision engineering measurement forced centering device according to claim 1, wherein: the two ends of the lifting rod (18) are arc-shaped structures and are provided with mounting holes (32) at the upper end and the lower end, and the mounting holes (32) are respectively connected with the first movable shaft (7) and the second movable shaft (15).
7. The precision engineering measurement forced centering device according to claim 1, wherein: the lower part of the adjusting rod (9) is provided with a limiting plate (10), the limiting plate (10) is sleeved on the surface of the adjusting rod (9), and the limiting plate (10) is connected with the adjusting rod (9) in a sliding mode.
8. The precision engineering measurement forced centering device according to claim 2, wherein: scale marks (38) are arranged on the front side and the rear side of the upper surface of the fixing plate (1), and the scale marks (38) are located on the two opposite sides of the two box bodies (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525786.4A CN111551156B (en) | 2020-06-10 | 2020-06-10 | Forced centering device for precision engineering measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525786.4A CN111551156B (en) | 2020-06-10 | 2020-06-10 | Forced centering device for precision engineering measurement |
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| Publication Number | Publication Date |
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| CN111551156A CN111551156A (en) | 2020-08-18 |
| CN111551156B true CN111551156B (en) | 2022-02-18 |
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| CN202010525786.4A Active CN111551156B (en) | 2020-06-10 | 2020-06-10 | Forced centering device for precision engineering measurement |
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| CN206709845U (en) * | 2017-05-24 | 2017-12-05 | 葛洲坝测绘地理信息技术有限公司 | A kind of forced centering pedestal of levelling |
| CN208476231U (en) * | 2018-06-07 | 2019-02-05 | 彭洪 | It is a kind of to place firm mapping theodolite |
| CN210089699U (en) * | 2019-07-18 | 2020-02-18 | 上海宝冶建筑工程有限公司 | Forced centering device and forced centering assembly |
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