A kind of flatness apparatus for evaluating based on BIMTechnical field
The utility model belongs to field of civil engineering, is related to a kind of measuring device and processing data information device, especially relates toAnd a kind of flatness apparatus for evaluating based on BIM.
Background technology
House decoration roughness measurement at this stage, relies primarily on the survey tools such as steel guiding ruler, and metope, ground are put downThe assessment of whole degree, the method for assessment relies primarily on the range estimation of construction personnel and supervisor evaluates.It therefore cannot objective, comprehensive evaluationDecoration quality.The present apparatus is scanned metope, ground, comprehensive, quantitative flatness can be commented by a cloudValency, and plant automation degree is high, plays and saves artificial effect.
Invention content
The purpose of this utility model is that in view of the deficiencies of the prior art, provide a kind of flatness assessment dress based on BIMIt puts.
The purpose of this utility model is achieved through the following technical solutions：A kind of flatness assessment dress based on BIMIt puts, including cloud scanning crawler type trolley and an auxiliary positioning instrument；Described cloud scanning crawler type trolley include crawler belt mobile device,Automatic leveling chassis, control system and laser scanning probe；The control system includes the reception of the first signal and emitter, determinesPosition device, activity control device, first storage device, pedometer, power supply and control system shell；The following table on the automatic leveling chassisFace set crawler belt mobile device, upper surface fix control system shell, control system enclosure be equipped with the first signal receive andEmitter, locator, activity control device, first storage device, pedometer and power supply, control system housing exterior fixed laserScanning head；The crawler belt mobile device is used to be moved under the guidance of auxiliary positioning instrument；The auxiliary positioning instrument includesIncluding leveling main body and the auxiliary positioning instrument control module being fixed in leveling main body；The auxiliary positioning instrument control module includesTotal powerstation electronic system, second signal receives and emitter, the second storage device and computing device；The total powerstation Department of ElectronicsSystem is connect with computing device, and the computing device is received with second signal and connected with emitter, computing device and second signalIt receives and emitter is all connected with the second storage device；The locator, activity control device, pedometer and first storage device are equalConnect the reception of the first signal and emitter；First signal receives and emitter is received with second signal and emitterIt is in communication with each other.
Further, the first storage device requires the memory space of 2G, and the second storage device requires 60GMemory space.
Further, the laser scanning probe is required to 360 ° of rotations, to achieve the purpose that comprehensive measurement.
The beneficial effects of the utility model are：The utility model device determines scanning means using auxiliary positioning instrumentPosition is avoided in point cloud measurement in the past, needs to integrate the trouble of point cloud model according to target point progress subsequent artefacts, overall process is certainlyDynamicization is high, and error may be lacked；Point cloud scanning crawler type trolley has an automatic leveling chassis, during so as to ensure that trolley measuresAngle is correct；Primary Location is carried out to small truck position using pedometer, more accurate positioning is carried out to trolley using locator；The present apparatus can rationally utilize time of measuring, realize the effect calculated when measuring, greatly shorten the time for measuring assessment.
Description of the drawings
Fig. 1 is the side view of point cloud scanning crawler type trolley；
Fig. 2 is the front view of point cloud scanning crawler type trolley；
Fig. 3 is the vertical view of point cloud scanning crawler type trolley；
The structure diagram of Fig. 4 systems in order to control；
Fig. 5 is auxiliary position indicator control module schematic diagram；
Fig. 6 is the operating diagram of the flatness apparatus for evaluating based on BIM；
In figure：1 scans crawler type trolley for point cloud；2 be auxiliary position indicator；3 is measure entity；4 be crawler belt mobile device；5 be the system in order to control of automatic leveling chassis, 6；7 pop one's head in for laser scanning；8 be the reception of the first signal and emitter；9 be electricitySource；10 be first storage device；11 be pedometer；12 system shells in order to control；13 be locator；14 be activity control device；15To assist position indicator control module；151 be total powerstation electronic system；152 be computing device；153 receive and send out for second signalInjection device, 154 be the second storage device, 16 be data line.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-5, a kind of flatness apparatus for evaluating based on BIM provided by the utility model, including cloud scanningCrawler type trolley 1 and auxiliary positioning instrument 2；
Described cloud scanning crawler type trolley 1 includes crawler belt mobile device 4, automatic leveling chassis 5, control system 6 and swashsOptical scanning probe 7；The control system 6 includes the first signal and receives and emitter 8, locator 13, activity control device 14, theOne storage device 10, pedometer 11, power supply 9 and control system shell 12；The auxiliary positioning instrument 2 includes auxiliary positioning instrument levelingMain body and auxiliary positioning instrument control module 15, auxiliary positioning instrument control module 15 have signal communication, positioning, data storage transmissionFunction；Laser scanning is popped one's head in 7 bands extremely by the crawler belt mobile device 4 for being moved under the guidance of auxiliary positioning instrument 2Suitable for the position of scanning；The automatic leveling chassis 5 is connected respectively with crawler belt mobile device 4, control system 6, when cloud scanningCrawler type trolley 1 reach designated position and it is static after, it is flat that automatic leveling chassis 5 will carry out essence automatically；First signal receivesBe used to receiving the move that auxiliary positioning instrument 2 sends out with emitter 8, and in due course between will be in first storage device 10Data transfer is to auxiliary positioning instrument 2；The locator 13 is in communication with each other with auxiliary positioning instrument 2, to determine point cloud scanning crawler type1 present position of trolley；The activity control device 14 scans the moving direction and distance of crawler type trolley 1 for control point cloud；InstituteIt states data of the first storage device 10 for being obtained to laser scanning probe 7 and carries out interim storage；The pedometer 11 and crawler beltThe crawler-tread gear hub on 4 both sides of mobile device is respectively connected with, for calculating the distance of 1 movement of point cloud scanning crawler type trolleyAnd angle；The laser scanning probe 7 is used to be scanned to measuring object, the number of reaction of formation body surface spatial informationAccording to；The auxiliary positioning instrument 2 is used for carrying out precise positioning to 1 position of cloud scanning crawler type trolley；Wherein auxiliary positioning instrument canTo reequip to obtain by a total powerstation, auxiliary positioning instrument leveling main body continues to use total powerstation overall shape, for auxiliary positioning instrument intoRow positioning, leveling.Auxiliary positioning instrument control module 15 is expanded installation second signal on the basis of total powerstation electronic system 151 and is receivedPredetermined function can be realized with emitter 153, the second storage device 154, computing device 152, data line is utilized between fourConnection；Wherein second signal receives and displacement signal can be sent to a cloud scanning crawler type trolley 1 by emitter 153, andReceiving station cloud scanning crawler type trolley 1 transmits the point cloud data of coming；And second signal receives and emitter 153 can be used for connecingThe signal that locator 13 transmits is received, accurately to obtain 1 present position of cloud scanning crawler type trolley；The computing device 152 is usedIn the point cloud signal that will be received, according to a location information for cloud scanning crawler type trolley 1, the letter to convert under integral coordinateBreath；Second storage device 154 is used to store the data that computing device 152 obtains；The first storage device 10The memory space of 2G is required, the second storage device 154 requires the memory space of 60G to ensure depositing for point cloud dataStorage；The requirement of locator 13 is fixed always with laser scanning 7 spatial relations of probe；The locator 13 requires positioning accurateDegree can reach 0.1mm；The laser scanning probe 7 requires positioning accuracy to reach 0.1mm；The requirement of the pedometer 11 meter step essenceDegree reaches 1cm/m；The laser scanning probe 7 is required to 360 ° of rotations, to achieve the purpose that comprehensive measurement；The power supply9 are required to the electricity that support level cloud scanning crawler type trolley 1 works normally 8 hours；The computing device is required to passingDefeated next data are quickly calculated, and calculating speed should meet claimed below：Each measure obtains point cloud data at positionProcessing time is no more than 3 minutes.
As shown in fig. 6, the operation principle of the utility model is：Auxiliary positioning instrument is positioned first, then by auxiliaryPosition indicator is helped to position a cloud scanning crawler type trolley；It is popped one's head in by the laser scanning on trolley, using a cloud, obtainedThe spatial positional information based on small truck position of solid object surface must be measured；Then point cloud data is transmitted to auxiliary positioning instrument, it is auxiliaryPosition coordinates of the position indicator according to trolley are helped, point cloud data is converted into the position coordinates in BIM models；Later by this dataIt imports in BIM models and is compared to assess flatness.The course of work of the utility model is as follows：It first will auxiliaryPosition indicator 2 carries out leveling, positioning, determines space coordinate of the auxiliary positioning instrument 2 in BIM models；Then point cloud scanning crawler typeTrolley 1 (hereinafter referred to as trolley) is switched on, and trolley is positioned over suitable position；Locator 13 in trolley is to auxiliary positioning instrument 2Send out position signal, then auxiliary positioning instrument 2 emits signal to the according to the location of the signal counting of carriers received coordinateOne signal receives and emitter 8 controls trolley to be moved to designated position；Trolley is moved by crawler belt mobile device 4, andIt calculates distance by pedometer 11, stops after reaching designated position；Automatic leveling chassis 5 carries out essence and puts down, later locator13 send out position signal to auxiliary positioning instrument 2, and auxiliary positioning instrument 2 determines the location information of trolley；Later, laser scanning probe 7The measurement entity 3 of flatness to be assessed is measured, point cloud data is obtained and stores to first storage device 10, treat at this positionAfter measurement comes to an end, received by the first signal and emitter 8 sends data to auxiliary positioning instrument 2；Auxiliary positioning instrument 2It sends out after going to the signal of next position, computing device 152 combines the position coordinates of trolley to a cloud number in auxiliary positioning instrument 2According to converting, store to the second storage device 154, repeat the above steps later, carry out the scanning of the next position；It treats all to sweepIt retouches and finishes, data are reached in computer, and flatness is assessed with reference to BIM models.