CN220062984U - Forced centering device for engineering measurement - Google Patents
Forced centering device for engineering measurement Download PDFInfo
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- CN220062984U CN220062984U CN202321256742.1U CN202321256742U CN220062984U CN 220062984 U CN220062984 U CN 220062984U CN 202321256742 U CN202321256742 U CN 202321256742U CN 220062984 U CN220062984 U CN 220062984U
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- connecting rod
- stainless steel
- centering device
- prism
- fixed
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- 238000005259 measurement Methods 0.000 title abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 29
- 239000010935 stainless steel Substances 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of engineering measurement, in particular to a forced centering device for engineering measurement, which comprises a mounting mechanism, wherein a connecting screw is arranged on the mounting mechanism, an adjusting mechanism is arranged on the connecting screw, a U-shaped support is arranged on the adjusting mechanism, a round level is arranged at the bottom in the U-shaped support, fixing screws are screwed on two sides of the upper end of the U-shaped support, and a prism is arranged in the U-shaped support through the fixing screws. The utility model is widely suitable for the engineering measurement fields of foundation pit and side slope deformation monitoring, precise construction measurement, rail traffic measurement and the like, provides a stable and reliable precise centering device for the point to be measured, has simple and convenient installation and positioning process, can be conveniently dismantled and recycled after the engineering is finished, and is recycled in the next similar engineering, thereby having good economical efficiency.
Description
Technical Field
The utility model relates to the technical field of engineering measurement, in particular to a forced centering device for engineering measurement.
Background
In recent years, along with the construction of urban subway engineering, the engineering quality is generally focused by people, so that the subway engineering measurement work is further enhanced, the modern measurement technology is applied, the measurement quality of each link can be effectively ensured, the control of subway engineering measurement is enhanced, the problems in subway engineering construction measurement are timely found, measures are timely taken to solve, the effective control of the subway engineering is comprehensively realized in the whole process of subway engineering construction, the measurement accuracy is ensured, and the necessary basis can be provided for subway engineering construction.
Centering is a very fundamental term in mapping disciplines, which is the operation that must first be completed by any one measurement worker to make a measurement. Centering is such that the center of the instrument and the center of the index of the station are on the same plumb line. Centering is generally classified into vertical ball centering, optical counter centering, forced centering and laser centering, but at present, centering instruments are inconvenient to install and adjust during centering operation, so that centering work is time-consuming.
In order to solve the problems in the prior art, a metro engineering measurement forced centering device with a Chinese patent publication number of CN114894170A and a use method thereof comprise the following steps: the equipment installation base, the equipment installation base outside is equipped with a plurality of angle modulation foot pads, and the angle modulation foot pads pass through foot pad fixing base and install on the equipment installation base, and equipment installation base upper end is equipped with centering adjustment support, and centering adjustment support upper end is equipped with horizontal adjusting device, be equipped with vertical adjusting device on the horizontal adjusting device, vertical adjusting device upper end is equipped with centering mounting panel, be equipped with on the centering mounting panel and force the centering board, force the centering board to include the centering base plate, centering base plate middle part is equipped with the three groove locating plate, the centering base plate outside is equipped with a plurality of base plate fixed orifices, be equipped with on the three groove locating plate and force the centering groove, centering base plate passes through fixing bolt and installs on the centering mounting panel. The centering device not only can reduce the installation difficulty of centering equipment, but also can shorten the centering adjustment time, improve the centering efficiency, facilitate the operation and improve the production efficiency.
However, in the prior art, the device is not convenient to disassemble quickly, and is not beneficial to effectively and quickly adjusting, so that the working efficiency is affected, and therefore, the device needs to be improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a forced centering device for engineering measurement.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a forced centering device for engineering measurement, includes installation mechanism, be equipped with the connection screw on the installation mechanism, install adjustment mechanism on the connection screw, be equipped with the U-shaped support on the adjustment mechanism, round level is installed to the bottom in the U-shaped support, the equal spiro union of upper end both sides of U-shaped support has fixed screw, install the prism through fixed screw in the U-shaped support, the opposite one end of two fixed screws respectively spiro union in the both sides of prism.
Compared with the prior art, the utility model is widely applicable to the engineering measurement fields of foundation pit and side slope deformation monitoring, precise construction measurement, rail transit, steel structure construction and the like, provides a stable and reliable precise centering device for a point to be measured, has simple and convenient installation and positioning process, can be conveniently dismantled and recycled after the engineering is finished, and is recycled in the next similar engineering, thereby having good economical efficiency.
Preferably, an annular groove is formed in one circle of the prism, two arc-shaped sliding blocks are slidably mounted in the annular groove, a threaded pipe fitting is sleeved in the arc-shaped sliding blocks in a rotating mode, the threaded pipe fitting penetrates through the arc-shaped sliding blocks, one end, close to the prism, of the threaded pipe fitting and one end, located in the annular groove, of the arc-shaped sliding blocks are arranged in parallel, two fixing screws are respectively screwed in the two threaded pipe fittings, a lead weight piece is slidably mounted in the annular groove, and the lead weight piece is located between the two arc-shaped sliding blocks.
Preferably, the mounting mechanism comprises a stainless steel plate, expansion bolts are respectively arranged at four corners of the stainless steel plate in a penetrating mode, a connecting screw nut is fixed at the center of the upper end of the stainless steel plate, and the connecting screw nut is screwed in the connecting screw nut.
Further, the stability of the stainless steel plate can be fully ensured, and the connection firmness is guaranteed.
Preferably, the adjusting mechanism comprises a hollow sphere shell fixed at the upper end of the connecting screw, a stainless steel sphere is arranged in the hollow sphere shell, a fastening device is fixed at the upper end of the hollow sphere shell, one side of the fastening device is screwed with the fastening screw, a connecting rod is fixed at the upper end of the stainless steel sphere, the upper end of the connecting rod is screwed in the middle of the lower end of the U-shaped bracket, and the connecting rod is arranged in the fastening device in a penetrating manner.
Furthermore, the quick screwing connection is convenient, the tightness degree between the fastening device and the connecting rod can be adjusted through the fastening screw, and the position of the stainless steel ball body can be effectively fixed.
Preferably, the connecting rod can adopt one of a telescopic connecting rod and a non-telescopic connecting rod according to the requirement; the length of each section of the telescopic connecting rod is 30-50cm, and the total length is 0.6-1.5 m; the length of the non-telescopic connecting rod is 5-50cm.
Further, can adjust as required, be convenient for adjust height.
Preferably, the diameter of the stainless steel sphere is 1-2mm smaller than the inner diameter of the hollow sphere housing.
Further, the stainless steel ball body can be conveniently rotated, and adjustment can be conveniently performed according to the requirement.
Compared with the prior art, the utility model has the beneficial effects that:
1. the spherical universal joint device is adopted, so that leveling and centering of the measuring mark can be rapidly carried out, and the projection center of the measuring mark is ensured to be coincident with the height of the monitoring point.
2. Through the syllogic installation, can realize centering device's quick installation and dismantlement on the basis of make full use of current survey and drawing sign. The disassembled centering device can be reused, and quick installation is realized in different mapping projects.
3. The investment of measuring personnel is reduced, and the potential safety hazard in the complex engineering measuring environment is obviously reduced.
Drawings
FIG. 1 is a mounting structure diagram of a forced centering device for engineering measurement;
FIG. 2 is an exploded view of a forced centering device for engineering survey according to the present utility model;
FIG. 3 is a diagram showing the structure of an annular groove of a forced centering device for engineering measurement;
FIG. 4 is a schematic installation diagram of a forced centering device for engineering measurement according to the present utility model;
in the figure: 1U-shaped bracket, 2 fixing screw, 3 prism, 4 round level, 5 connecting rod, 6 stainless steel sphere, 7 hollow sphere shell, 8 fastener, 9 fastening screw, 10 connecting screw, 11 connecting screw nut, 12 stainless steel plate, 13 expansion bolt, 14 ring groove, 15 arc slide block, 16 screw pipe fitting, 17 lead weight piece.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a forced centering device for engineering measurement comprises a mounting mechanism, wherein a connecting screw 10 is arranged on the mounting mechanism, the mounting mechanism comprises a stainless steel plate 12, expansion bolts 13 are arranged at four corners of the stainless steel plate 12 in a penetrating manner, a connecting screw 11 is fixed at the center of the upper end of the stainless steel plate 12, and the connecting screw 10 is screwed in the connecting screw 11, so that the rapid connection and fixation with the stainless steel plate 12 are facilitated.
Referring to fig. 1-2, an adjusting mechanism is mounted on a connecting screw 10, a U-shaped bracket 1 is arranged on the adjusting mechanism, the adjusting mechanism comprises a hollow sphere shell 7 fixed at the upper end of the connecting screw 10, a stainless steel sphere 6 is arranged in the hollow sphere shell 7, the diameter of the stainless steel sphere 6 is smaller than the inner diameter of the hollow sphere shell 7 by 1-2mm, the stainless steel sphere is convenient to shake, a fastening device 8 is fixed at the upper end of the hollow sphere shell 7, a fastening screw 9 is screwed on one side of the fastening device 8, a connecting rod 5 is fixed at the upper end of the stainless steel sphere 6, the upper end of the connecting rod 5 is screwed on the middle part of the lower end of the U-shaped bracket 1, the connecting rod 5 is penetratingly arranged in the fastening device 8, the fastening device 8 comprises a fixed ring body and an adjustable ring body, the fastening screw 9 is screwed in the adjustable ring body, the diameter of the adjustable ring body is changed through rotation of the fastening screw 9, the position relation between the stainless steel sphere 6 and the hollow sphere shell 7 is convenient to be adjusted, and deviation can be adjusted as required.
Referring to fig. 1-4,U, a round collimator 4,U is installed at the bottom in the bracket 1, fixing screws 2 are screwed on two sides of the upper end of the bracket 1, a prism 3 is installed in the bracket 1 through the fixing screws 2, the round collimator 4 is located at the lower end of the prism 3, two opposite ends of the fixing screws 2 are screwed on two sides of the prism 3 respectively, the angle of the prism 3 can be conveniently adjusted through the action of the fixing screws 2, and the vertical state can be well realized.
Referring to fig. 1-3, an annular groove 14 is formed in the periphery of the prism 3, two arc-shaped sliding blocks 15 are slidably mounted in the annular groove 14, a threaded pipe fitting 16 is sleeved in the arc-shaped sliding blocks 15 in a rotating mode, the threaded pipe fitting 16 is arranged on the arc-shaped sliding blocks 15 in a penetrating mode, one end, close to the prism 3, of the threaded pipe fitting 16 and one end, located in the annular groove 14, of the arc-shaped sliding blocks 15 are flush, two fixing screws 2 are respectively screwed in the two threaded pipe fittings 16, a lead weight piece 17 is slidably mounted in the annular groove 14, the lead weight piece 17 is located between the two arc-shaped sliding blocks 15, the position relation between the fixing screws 2 and the inner wall of the annular groove 14 can be controlled, when the lead weight piece is not in conflict, the prism 3 can rotate by taking the threaded pipe fitting 16 as an axis, the lead weight piece 17 can be always vertically downwards through the arrangement of the lead weight piece 17 and the annular groove 14, the lead weight piece 3 can be always in a vertical state through the gravity effect, and the prism 3 can be effectively centered.
Referring to fig. 1-2, the connecting rod 5 may employ one of a telescopic connecting rod and a non-telescopic connecting rod as needed; the length of each section of the telescopic connecting rod is 30-50cm, and the total length is 0.6-1.5 m; the length of the non-telescopic connecting rod is 5-50cm, so that the non-telescopic connecting rod can be well adjusted according to the needs, and detection of different heights and positions can be effectively realized.
In the utility model, a stainless steel plate 12 is placed at the position of a to-be-monitored point, paint spraying or marking pen marking is carried out at the positions of four fixing screw holes, electric drill hole taking is adopted, and an expansion screw 13 is used for fixing the stainless steel plate on a monitored body; the hollow sphere shell 7 is connected to a stainless steel plate 12 through a connecting screw 10 and a connecting nut 11; the prism 4 is arranged on the U-shaped bracket 1 through a fixing screw 2, and the U-shaped bracket 1 is connected with a connecting rod 5; the fastening screw 9 on the fastening device 8 is rotated, the connecting rod 5 is rocked to accurately level the round collimator 4, the fastening screw 9 on the fastening device 8 is screwed, and the installation of the monitoring point forced centering device is completed
The method comprises the steps of periodically checking whether bubbles in a circular collimator 4 below a prism 3 are centered or not, loosening a fastening screw 9 on a fastening device 8 when the centering of the bubbles is changed, rapidly leveling and centering, and then tightening the fastening screw 9 to rapidly finish forced centering;
under other operation scenes, the datum point of the erected monitoring instrument is destroyed, under the condition that a new monitoring datum point is needed, the forced centering measuring device of the device can be used for adjusting in the range of 360 degrees in the plane and 180 degrees in the vertical direction, the adjusting mode only needs to loosen the fastening screw 9, the connecting rod 5 is rotated to align the prism group with the instrument direction, the round level 4 is precisely leveled, and finally the fastening screw 9 is screwed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a forced centering device for engineering survey, includes installation mechanism, its characterized in that: the mounting mechanism is provided with a connecting screw (10), the connecting screw (10) is provided with an adjusting mechanism, and the adjusting mechanism is provided with a U-shaped bracket (1);
the bottom in U-shaped support (1) is installed circular level (4), fixed screw (2) are all spiro union in the upper end both sides of U-shaped support (1), install prism (3) through fixed screw (2) in U-shaped support (1), the both sides at prism (3) are respectively spiro union to the opposite one end of two fixed screws (2).
2. The forced centering device for engineering survey according to claim 1, wherein: the utility model discloses a lead weight device, including prism (3), ring channel (14) are equipped with a week of prism (3), two arc slider (15) are installed to ring channel (14) slidable mounting, threaded pipe fitting (16) have been cup jointed in the rotation of arc slider (15), threaded pipe fitting (16) run through and set up on arc slider (15), one end that threaded pipe fitting (16) are close to prism (3) and one end parallel and level that arc slider (15) are located ring channel (14) set up, two fixed screws (2) respectively the spiro union in two threaded pipe fittings (16), slidable mounting has lead weight piece (17) in ring channel (14), lead weight piece (17) are located between two arc slider (15).
3. The forced centering device for engineering survey according to claim 1, wherein: the mounting mechanism comprises a stainless steel plate (12), expansion bolts (13) are respectively arranged at four corners of the stainless steel plate (12) in a penetrating mode, a connecting screw nut (11) is fixed at the center of the upper end of the stainless steel plate (12), and the connecting screw nut (11) is screwed with the connecting screw nut (10).
4. The forced centering device for engineering survey according to claim 1, wherein: the adjusting mechanism comprises a hollow sphere shell (7) fixed at the upper end of a connecting screw (10), a stainless steel sphere (6) is arranged in the hollow sphere shell (7), a fastening device (8) is fixed at the upper end of the hollow sphere shell (7), a fastening screw (9) is screwed on one side of the fastening device (8), a connecting rod (5) is fixed at the upper end of the stainless steel sphere (6), the upper end of the connecting rod (5) is screwed in the middle of the lower end of the U-shaped bracket (1), and the connecting rod (5) is arranged in the fastening device (8) in a penetrating mode.
5. The forced centering device for engineering survey according to claim 4, wherein: the connecting rod (5) can adopt one of a telescopic connecting rod and a non-telescopic connecting rod according to the requirement; the length of each section of the telescopic connecting rod is 30-50cm, and the total length is 0.6-1.5 m; the length of the non-telescopic connecting rod is 5-50cm.
6. The forced centering device for engineering survey according to claim 4, wherein: the diameter of the stainless steel ball body (6) is 1-2mm smaller than the inner diameter of the hollow sphere shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256742.1U CN220062984U (en) | 2023-05-23 | 2023-05-23 | Forced centering device for engineering measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256742.1U CN220062984U (en) | 2023-05-23 | 2023-05-23 | Forced centering device for engineering measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220062984U true CN220062984U (en) | 2023-11-21 |
Family
ID=88759665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321256742.1U Active CN220062984U (en) | 2023-05-23 | 2023-05-23 | Forced centering device for engineering measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220062984U (en) |
-
2023
- 2023-05-23 CN CN202321256742.1U patent/CN220062984U/en active Active
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