CN108917596B - Simple control point scanning measurement device and method - Google Patents
Simple control point scanning measurement device and method Download PDFInfo
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- CN108917596B CN108917596B CN201810630768.5A CN201810630768A CN108917596B CN 108917596 B CN108917596 B CN 108917596B CN 201810630768 A CN201810630768 A CN 201810630768A CN 108917596 B CN108917596 B CN 108917596B
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- 238000005259 measurement Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 238000000691 measurement method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The invention relates to the technical field of control point cloud data acquisition, in particular to a simple control point scanning measurement device and method. According to the invention, through the organic combination of the balance supporting device, the adjusting device and the measuring device, the point cloud data at the control pile can be accurately and quickly obtained, and the coordinates of the control pile can be extracted according to the point cloud data. The invention provides a control point scanning and measuring device which is simple to use and convenient to operate, has the advantages of small volume, convenient carrying and the like, and is suitable for various complex environments; and the accurate and easy control point scanning and measuring device can be used for realizing the accurate control point center scanning and measuring.
Description
Technical Field
The invention relates to the technical field of control point cloud data acquisition, in particular to a simple control point scanning measurement device and method.
Background
In the three-dimensional laser scanning operation, if point cloud data of a control point is required to be acquired, a control pile is buried in the control pile in general, a tripod is erected on the control pile in the later period, a target is placed on the tripod, and after centering and leveling, target scanning is performed.
The on-site operation in the measurement process needs to carry a tripod, a target and a base, so that the equipment is more, the weight is large, the centering and leveling time is long, and the overall operation efficiency is low.
In order to quickly realize the control point cloud data acquisition, a set of equipment is designed, and the functions are necessary to be accurately, quickly and lightly realized.
Disclosure of Invention
One of the purposes of the invention is to provide a simple control point scanning and measuring device; secondly, a simple control point scanning measurement method is provided; thirdly, the device has simple structure and convenient operation; fourth, the device is small in size, convenient to carry and suitable for various complex environments; fourthly, the device is accurate, and the center scanning measurement of the control point can be realized.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a simple and easy control point scanning measuring device, includes balanced strutting arrangement, adjusting device and measuring device, balanced strutting arrangement be located the below, balanced strutting arrangement's upper end and adjusting device's lower extreme rotatable coupling, adjusting device still be connected with measuring device.
The balance supporting device at least comprises a bottom flat rod, a bottom vertical rod, a rotary sleeve and a second folding device, one end of the bottom flat rod is a free end, the other end of the bottom flat rod is connected with the lower end of the bottom vertical rod in a bendable manner through the second folding device, and the upper end of the bottom vertical rod is rotatably connected with the adjusting device through the rotary sleeve.
The second folding device consists of a second connecting rod, a second connecting screw rod and a second fixing card; the second connecting rod comprises a horizontal section connected with the bottom flat rod and a vertical section fixedly connected with the lower end of the bottom vertical rod, and the horizontal section and the vertical section of the second connecting rod are hinged through a second connecting screw; the maximum separation angle of the horizontal section and the vertical section of the second connecting rod is 90 degrees; the outer side walls of the bottom vertical rods and the bottom flat rods or the outer side walls of the horizontal section and the vertical section of the second connecting rod are respectively connected with two ends of the second fixing card, one end of the second fixing card is rotationally connected, and the other end of the second fixing card is in buckling connection.
The rotary sleeve comprises a first rotary sleeve and a second rotary sleeve, the first rotary sleeve and the second rotary sleeve are sequentially and tightly connected to the lowest end of the adjusting device from top to bottom, the balance supporting devices are provided with two pairs, the upper end of one pair of balance supporting devices is rotatably connected with the first rotary sleeve, the upper end of the other pair of balance supporting devices is rotatably connected with the second rotary sleeve, the first bottom vertical rod of the balance supporting device connected with the first rotary sleeve is longer than the second bottom vertical rod of the balance supporting device connected with the second rotary sleeve, the bottom flat rods of the two pairs of balance supporting devices are positioned on the same horizontal plane, and the two pairs of balance supporting devices are 40 0 -60 0 To balance the overall device.
The adjusting device comprises a connecting pipe, a telescopic pipe, a first adjusting device, a top flat pipe, a first folding device, a second adjusting device and a telescopic rod; the lower end of the connecting pipe is fixedly connected with the measuring device, and the upper end of the connecting pipe vertically penetrates through one end of the telescopic pipe and is movably connected with the first adjusting device; the other end of the telescopic pipe is movably sleeved in a horizontally arranged top flat pipe; one end of the top flat pipe far away from the connecting pipe is sleeved with one end of the first folding device, the other end of the first folding device is sleeved with the upper end of the telescopic rod, and the lower end of the telescopic rod is rotatably connected with the balance supporting device.
The telescopic rod comprises a first telescopic rod, a first elastic knob, a second telescopic rod and a third telescopic rod; the upper end of the first telescopic rod is fixedly connected with the first folding device, and the lower end of the first telescopic rod is movably connected with the upper end of the second telescopic rod through a first elastic knob and a second elastic knob which are adjacently connected; the lower end of the second telescopic rod is sleeved with the upper end of the third telescopic rod, and the lower end of the third telescopic rod is movably connected with the balance supporting device; the length of the first telescopic rod and the second telescopic rod is 10cm.
The first folding device consists of a first connecting rod, a first connecting screw rod and a first fixing clamping piece; the first connecting rod comprises a horizontal section connected with the top flat pipe and a vertical section fixedly connected with the upper end of the telescopic rod, and the horizontal section and the vertical section of the first connecting rod are hinged through a first connecting screw; the maximum separation angle of the horizontal section and the vertical section of the first connecting rod is 90 degrees; the outer side walls of the top flat pipe and the telescopic rod or the outer side walls of the horizontal section and the vertical section of the first connecting rod are respectively connected with the two ends of the first fixing clamping piece, one end of the first fixing clamping piece is rotationally connected, and the other end of the first fixing clamping piece is in buckling connection.
The measuring device comprises a conical pendulous ball, an adjusting wire and a target, wherein the conical pendulous ball is fixedly connected with one end of the adjusting wire, and the other end of the adjusting wire penetrates through the target and is fixedly connected with the center of the target; the upper end of the target is fixedly connected with the adjusting device.
The adjusting wire is a thin steel wire; length scribing lines are arranged on the adjusting lines; the target is spherical
A target.
A simple control point scanning measurement method is characterized in that: firstly, opening a top flat tube, fixing a first fixing card after the top flat tube is horizontal, then adjusting bottom flat rods in two pairs of balance supporting devices to enable the lower parts of the two pairs of bottom flat rods to be in the same plane, separating the two pairs of balance supporting devices by a proper angle to enable the devices to keep balance, and then fixing the fixing cards in each pair of balance supporting devices respectively; and stretching and simultaneously rotating the top flat tube, and adjusting the height of the thin steel wire, so that the bottom end of the conical pendulous ball is aligned with the center of the control pile, and scanning is started.
The beneficial effects of the invention are as follows:
according to the invention, through the organic arrangement of the balance supporting device, the adjusting device and the measuring device, the whole device is in a balanced and stable state by adjusting the balance supporting device, the device is in an optimal test position by adjusting the adjusting device, the accurate test of the measuring device is ensured, the use and the operation are simple, and the accurate test result can be obtained. In actual use, the point cloud data at the control pile can be accurately and rapidly obtained, and the coordinates of the control pile can be extracted according to the point cloud data.
The device has the advantages of small volume, simple structure and portability by arranging the first folding device and the second folding device, and is particularly convenient to use and operate in the field for testing.
When the invention is implemented, the height of the adjusting line is adjusted by the first adjusting device, so that the bottom end of the conical drop ball is aligned with the center of the control pile, and scanning is started, thereby ensuring the accuracy of the test result; the target is a spherical target, so that the test result is more accurate, and the actual operation is easy to implement.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of a first folding device of the present invention;
FIG. 3 is an enlarged view of the balance support device of the present invention;
FIG. 4 is a front view of the present invention;
fig. 5 is a top view of the present invention in use.
In the figure, the bottom rod comprises a 1-bottom vertical rod, a 2-second bottom vertical rod, a 3-second fixed clamping piece, a 4-second connecting rod, a 5-second connecting screw, a 6-first rotating sleeve, a 7-second rotating sleeve, an 8-connecting pipe, a 9-telescopic pipe, a 10-first adjusting device, a 11-top flat pipe, a 12-first fixed clamping piece, a 13-second adjusting device, a 14-first telescopic rod, a 15-first elastic knob, a 16-second elastic knob, a 17-second telescopic rod, a 18-third telescopic rod, a 19-first connecting rod, a 20-first connecting screw, a 21-conical vertical ball, a 22-adjusting wire, a 23-target and a 24-first bottom vertical rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the simple control point scanning measuring device shown in fig. 1, 4 and 5 comprises a balance supporting device, an adjusting device and a measuring device, wherein the balance supporting device is positioned at the lowest part, the upper end of the balance supporting device is rotatably connected with the lower end of the adjusting device, and the measuring device is fixedly connected with the adjusting device.
When the device is in specific implementation, the whole device is in a balanced and stable state by adjusting the balance supporting device, the device is in an optimal test position by adjusting the device, the accurate test of the measuring device is ensured, and an accurate test result is obtained. The invention has the characteristics of small volume, simple structure and convenience for carrying and operation in the field.
Embodiment two:
a simple control point scanning measurement device as shown in fig. 1, 3 and 4, based on embodiment 1: the balance supporting device comprises a bottom flat rod 1, a bottom vertical rod, a rotary sleeve and a folding device, wherein one end of the bottom flat rod 1 is a free end, the other end of the bottom flat rod 1 is fixedly connected with one end of the folding device, the other end of the folding device is fixedly connected with the lower end of the bottom vertical rod, and the upper end of the bottom vertical rod is rotatably connected with the adjusting device through the rotary sleeve; the rotary sleeve is sleeved at the lowest end of the adjusting device.
Preferably, the second folding device consists of a second connecting rod 4, a second connecting screw 5 and a second fixing card 3; the second connecting rod 4 comprises a horizontal section connected with the bottom flat rod 1 and a vertical section fixedly connected with the lower end of the bottom vertical rod, and the horizontal section and the vertical section of the second connecting rod 4 are hinged through a second connecting screw 5; the maximum separation angle of the horizontal section and the vertical section of the second connecting rod 4 is 90 degrees; the outer side walls of the bottom vertical rods and the bottom flat rods 1 or the outer side walls of the horizontal section and the vertical section of the second connecting rod 4 are respectively connected with two ends of the second fixing card 3, one end of the second fixing card 3 is rotationally connected, and the other end of the second fixing card 3 is in buckling connection. When the equipment is used, the second fixing cards 3 at the upper part and the lower part can be loosened, and the bottom flat rod 1 and the top flat tube 11 are folded; the second folding means may be replaced by any folding member which performs the folding function.
Preferably, the rotating sleeve comprises a first rotating sleeve 6 and a second rotating sleeve 7, the first rotating sleeve 6 and the second rotating sleeve 7 are tightly connected with the lowest end of the adjusting device from top to bottom in sequence, the balance supporting devices are provided with two pairs, the upper end of one pair of balance supporting devices is rotatably connected with the first rotating sleeve 6, the upper end of the other pair of balance supporting devices is rotatably connected with the second rotating sleeve 7, the first bottom vertical rod 24 of the balance supporting device connected with the first rotating sleeve 6 is longer than the second bottom vertical rod 2 of the balance supporting device connected with the second rotating sleeve 7, so that the bottom flat rods of the two pairs of balance supporting devices are positioned at the same horizontal plane, and the two pairs of balance supporting devices are 40 0 -60 0 To balance the overall device.
In the concrete implementation, the two bottom flat rods in the two pairs of balance supporting devices are respectively unfolded, and the two pairs of balance supporting devices are freely rotated in the vertical direction by virtue of the rotating sleeve, and the devices are adjusted so that the bottoms of the two bottom flat rods 1 are positioned on the same plane, and the two pairs of balance supporting devices are 40 0 -60 0 The angle of separation of the two pairs of balance supporting devices can also be adjusted according to the situation so as to keep the balance of the equipment. After the adjustment, the second fixing card 3 is fixed and buckled, so that the balance adjustment of the simple control point scanning and measuring device is completed. The design scheme of the invention is simple to adjust and convenient to operate.
Embodiment III:
a simple control point scanning measurement device as shown in fig. 1 and 2, based on embodiment 1: the adjusting device comprises a connecting pipe 8, a telescopic pipe 9, a first adjusting device 10, a top flat pipe 11, a first folding device, a second adjusting device 13 and a telescopic rod; the lower end of the connecting pipe 8 is fixedly connected with the measuring device, and the upper end of the connecting pipe 8 vertically penetrates through one end of the telescopic pipe 9 and is movably connected with the first adjusting device 10; the other end of the telescopic pipe 9 is movably sleeved in a horizontally arranged top flat pipe 11; one end of the top flat pipe 11 far away from the connecting pipe 8 is sleeved with one end of the first folding device, the other end of the first folding device is sleeved with the upper end of the telescopic rod, and the lower end of the telescopic rod is rotatably connected with the balance supporting device.
Preferably, the telescopic rod comprises a first telescopic rod 14, a first elastic knob 15, a second elastic knob 16, a second telescopic rod 17 and a third telescopic rod 18; the upper end of the first telescopic rod 14 is fixedly connected with the first folding device, and the lower end of the first telescopic rod 14 is movably connected with the upper end of the second telescopic rod 17 through a first elastic knob 15 and a second elastic knob 16 which are adjacently connected; the lower end of the second telescopic rod 17 is sleeved with the upper end of the third telescopic rod 18, and the lower end of the third telescopic rod 18 is movably connected with the balance supporting device; the length of the first telescopic rod 14 and the second telescopic rod 17 is 10cm. The telescopic link sets up to three sections, guarantees that the device can all use under the environment when ordinary test, adjusts and fixes the telescopic link through elasticity knob, makes the device keep the state of adjusting.
Preferably, the first folding device consists of a first connecting rod 19, a first connecting screw 20 and a first fixing card 12; the first connecting rod 19 comprises a horizontal section connected with the top flat pipe 11 and a vertical section fixedly connected with the upper end of the telescopic rod, and the horizontal section and the vertical section of the first connecting rod 19 are hinged through a first connecting screw 20; the maximum separation angle of the horizontal section and the vertical section of the first connecting rod 19 is 90 degrees; the outer side walls of the top flat tube 11 and the telescopic rod or the outer side walls of the horizontal section and the vertical section of the first connecting rod 19 are respectively connected with two ends of the first fixing clamping piece 12, one end of the first fixing clamping piece 12 is rotationally connected, and the other end of the first fixing clamping piece 12 is in buckling connection. According to the scheme, the folding of the device after the device is used is facilitated, and the occupied space of the device is reduced. The first folding means may be replaced by any folding member which performs the folding function.
Preferably, the connecting pipe 8 and the telescopic pipe 9 are both straight steel pipes. The steel pipe is used as the connecting pipe 8 and the telescopic pipe 9, so that the equipment is not easy to damage, and the service time of the equipment is prolonged.
In the concrete implementation, the height of the vertical rod is adjusted by freely stretching up and down, and the top flat pipe can freely rotate in the horizontal direction so as to adjust the direction of the conical pendulous ball. When the balance of the whole device is adjusted, the folded top flat tube 11 is stretched, the top flat tube 11 is rotated at the same time, the telescopic rod consists of 3 sections, and the height is adjusted in a large range; the height of the thin steel wire is adjusted according to the adjusting knob 1. The bottom flat bar has 2, relies on rotatory sleeve pipe, freely rotates in vertical direction to keep the balance of equipment. After the measuring device is aligned to the center of the control pile, scanning test is performed.
Embodiment four:
a simple control point scanning measurement device as shown in fig. 1, based on embodiment 1: the measuring device comprises a conical pendulous ball 21, an adjusting wire 22 and a target 23, wherein the conical pendulous ball 21 is fixedly connected with one end of the adjusting wire 22, and the other end of the adjusting wire 22 penetrates through the target 23 to be fixedly connected with the center of the target 23; the upper end of the target 23 is fixedly connected with the adjusting device.
Preferably, the adjustment wire 22 is a thin wire; the length of the adjusting line 22 is marked; by a means of
The target 23 is a spherical target.
In the specific implementation, the height of the adjusting line 22 is adjusted through the first adjusting device, so that the bottom end of the conical drop ball is aligned with the center of the control pile, scanning is started, and the accuracy of a test result is ensured; the spherical target of the target 23 can make the test result more accurate.
In summary, the method of the invention is that, through the organic combination of the balance supporting device, the adjusting device and the measuring device, in the actual use process, the method is as follows: firstly, opening a top flat tube, fixing a first fixing card after the top flat tube is horizontal, then adjusting bottom flat rods in two pairs of balance supporting devices to enable the lower parts of the two pairs of bottom flat rods to be in the same plane, separating the two pairs of balance supporting devices by a proper angle to enable the devices to keep balance, and then fixing the fixing cards in each pair of balance supporting devices respectively; and stretching and simultaneously rotating the top flat tube, and adjusting the height of the thin steel wire, so that the bottom end of the conical pendulous ball is aligned with the center of the control pile, and scanning is started. The device can be used for rapidly aligning the center of the control pile, and the point cloud data at the center of the control pile can be acquired in the scanning process by scanning the height values of the spherical target and the thin steel wire. The implementation can accurately and quickly acquire the point cloud data at the control pile, and the coordinates of the control pile are extracted according to the point cloud data. In addition, the invention has the characteristics of small volume, simple structure and convenience for carrying and operation in the field.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The technical solutions between the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art that when the combination of technical solutions contradicts or cannot be implemented, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.
Claims (3)
1. A simple control point scanning measurement device is characterized in that: the device comprises a balance supporting device, an adjusting device and a measuring device, wherein the balance supporting device is positioned at the lowest part, the upper end of the balance supporting device is rotatably connected with the lower end of the adjusting device, and the adjusting device is also connected with the measuring device;
the measuring device comprises a conical pendulous sphere (21), an adjusting wire (22) and a target (23), wherein the conical pendulous sphere (21) is fixedly connected with one end of the adjusting wire (22), and the other end of the adjusting wire (22) penetrates through the target (23) to be fixedly connected with the center of the target (23); the upper end of the target (23) is fixedly connected with the adjusting device;
the adjusting wire (22) is a thin steel wire; the length scribing lines are arranged on the adjusting lines (22); the target (23) is a spherical target;
the adjusting device comprises a connecting pipe (8), a telescopic pipe (9), a first adjusting device (10), a top flat pipe (11), a first folding device, a second adjusting device (13) and a telescopic rod; the lower end of the connecting pipe (8) is fixedly connected with the measuring device, and the upper end of the connecting pipe (8) vertically penetrates through one end of the telescopic pipe (9) and is movably connected with the first adjusting device (10); the other end of the telescopic pipe (9) is movably sleeved in a horizontally arranged top flat pipe (11); one end of the top flat pipe (11) far away from the connecting pipe (8) is sleeved with one end of the first folding device, the other end of the first folding device is sleeved with the upper end of the telescopic rod, and the lower end of the telescopic rod is rotatably connected with the balance supporting device;
the height of the adjusting line (22) is adjusted through the first adjusting device (10) so that the bottom end of the conical drop ball is aligned with the center of the control pile;
the balance supporting device at least comprises a bottom flat rod (1), a bottom vertical rod, a rotary sleeve and a second folding device, one end of the bottom flat rod (1) is a free end, the other end of the bottom flat rod (1) is connected with the lower end of the bottom vertical rod in a bendable manner through the second folding device, and the upper end of the bottom vertical rod is connected with the adjusting device in a rotatable manner through the rotary sleeve;
the rotary sleeve comprises a first rotary sleeve (6) and a second rotary sleeve (7), and the first rotary sleeve (6) and the second rotary sleeve(7) The balance supporting devices are tightly connected with the lowest end of the adjusting device from top to bottom in sequence, the balance supporting devices are provided with two pairs, the upper end of one pair of balance supporting devices is rotatably connected with the first rotary sleeve (6), the upper end of the other pair of balance supporting devices is rotatably connected with the second rotary sleeve (7), the first bottom vertical rod (24) of the balance supporting device connected with the first rotary sleeve (6) is longer than the second bottom vertical rod (2) of the balance supporting device connected with the second rotary sleeve (7), so that the bottom flat rods of the two pairs of balance supporting devices are positioned on the same horizontal plane, and the two pairs of balance supporting devices are 40 0 -60 0 To balance the overall device;
the telescopic rod comprises a first telescopic rod (14), a first elastic knob (15), a second elastic knob (16), a second telescopic rod (17) and a third telescopic rod (18); the upper end of the first telescopic rod (14) is fixedly connected with the first folding device, and the lower end of the first telescopic rod (14) is movably connected with the upper end of the second telescopic rod (17) through a first elastic knob (15) and a second elastic knob (16) which are adjacently connected; the lower end of the second telescopic rod (17) is sleeved with the upper end of the third telescopic rod (18), and the lower end of the third telescopic rod (18) is movably connected with the balance supporting device; the lengths of the first telescopic rod (14) and the second telescopic rod (17) are 10cm;
the first folding device consists of a first connecting rod (19), a first connecting screw (20) and a first fixing card (12); the first connecting rod (19) comprises a horizontal section connected with the top flat pipe (11) and a vertical section fixedly connected with the upper end of the telescopic rod, and the horizontal section and the vertical section of the first connecting rod (19) are hinged through a first connecting screw rod (20); the maximum separation angle of the horizontal section and the vertical section of the first connecting rod (19) is 90 degrees; the top flat tube (11) and the outer side wall of the telescopic rod or the outer side walls of the horizontal section and the vertical section of the first connecting rod (19) are respectively connected with two ends of the first fixing clamping piece (12), one end of the first fixing clamping piece (12) is rotationally connected, and the other end of the first fixing clamping piece (12) is in buckling connection.
2. A simple control point scanning measurement device as claimed in claim 1, wherein: the second folding device consists of a second connecting rod (4), a second connecting screw (5) and a second fixing card (3); the second connecting rod (4) comprises a horizontal section connected with the bottom flat rod (1) and a vertical section fixedly connected with the lower end of the bottom vertical rod, and the horizontal section and the vertical section of the second connecting rod (4) are hinged through a second connecting screw rod (5); the maximum separation angle of the horizontal section and the vertical section of the second connecting rod (4) is 90 degrees; the bottom vertical rod and the outer side wall of the bottom flat rod (1) or the outer side walls of the horizontal section and the vertical section of the second connecting rod (4) are respectively connected with two ends of the second fixing card (3), one end of the second fixing card (3) is rotationally connected, and the other end of the second fixing card (3) is in buckle connection.
3. A simple control point scanning measurement method is characterized in that: the simple control point scanning measurement device according to any one of claims 1-2, comprising the following steps: firstly, opening a top flat tube, fixing a first fixing card after the top flat tube is horizontal, then adjusting bottom flat rods in two pairs of balance supporting devices to enable the lower parts of the two pairs of bottom flat rods to be in the same plane, separating the two pairs of balance supporting devices by a proper angle to enable the devices to keep balance, and then fixing the fixing cards in each pair of balance supporting devices respectively; and stretching and simultaneously rotating the top flat tube, and adjusting the height of the thin steel wire, so that the bottom end of the conical pendulous ball is aligned with the center of the control pile, and scanning is started.
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CN104655010A (en) * | 2015-01-29 | 2015-05-27 | 东北大学 | Quick coordinate positioning method for three-dimensional laser detection system of underground vacant area |
CN204624053U (en) * | 2015-04-20 | 2015-09-09 | 四川南格尔生物科技有限公司 | Filtration stand |
CN205119990U (en) * | 2015-10-14 | 2016-03-30 | 中铁三局集团广东建设工程有限公司 | Connection survey frame |
CN205300523U (en) * | 2015-12-22 | 2016-06-08 | 舟山市质量技术监督检测研究院 | Three -dimensional laser scanning is with mark target fixing device |
CN105588551A (en) * | 2016-03-18 | 2016-05-18 | 北京建工集团有限责任公司 | 360-degree rotating prism for determining perpendicularity of building and using method of 360-degree rotating prism |
CN106643790A (en) * | 2016-09-26 | 2017-05-10 | 南方电网科学研究院有限责任公司 | Photoelectric pod resolution detection device and detection method |
CN106840393A (en) * | 2016-12-30 | 2017-06-13 | 新疆农垦科学院 | Portable field direction spectrum test device |
CN208313216U (en) * | 2018-06-19 | 2019-01-01 | 西安长庆科技工程有限责任公司 | A kind of simple control point scanning and measuring apparatus |
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