CN113607121B - Building engineering quality detection device - Google Patents

Building engineering quality detection device Download PDF

Info

Publication number
CN113607121B
CN113607121B CN202110891577.6A CN202110891577A CN113607121B CN 113607121 B CN113607121 B CN 113607121B CN 202110891577 A CN202110891577 A CN 202110891577A CN 113607121 B CN113607121 B CN 113607121B
Authority
CN
China
Prior art keywords
assembly
plane
bevel gear
distancer
drive assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110891577.6A
Other languages
Chinese (zh)
Other versions
CN113607121A (en
Inventor
刘美川
李春梅
王科
夏文峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Kechuang High Tech Engineering Testing Co ltd
Original Assignee
Hunan Kechuang High Tech Engineering Testing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Kechuang High Tech Engineering Testing Co ltd filed Critical Hunan Kechuang High Tech Engineering Testing Co ltd
Priority to CN202110891577.6A priority Critical patent/CN113607121B/en
Publication of CN113607121A publication Critical patent/CN113607121A/en
Application granted granted Critical
Publication of CN113607121B publication Critical patent/CN113607121B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/30Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention is applicable to the technical field of constructional engineering, and provides a device for detecting the quality of the constructional engineering, which comprises the following components: the body, body swing joint has the support frame, detection mechanism locates on the body, detection mechanism includes drive assembly, drive assembly and a plurality of distancer one, drive assembly locates in this, drive assembly is connected with drive assembly, drive assembly is connected with a plurality of distancer one, a plurality of distancer one forms the plane parallel with the plane that awaits measuring, it is parallel with the plane that awaits measuring to drive body rotation leveling distancer one through drive assembly, a plurality of distancer one survey and the plane distance data that awaits measuring, then a plurality of distancer one forms the plane parallel with the plane that awaits measuring, distancer one is perpendicular with the plane that awaits measuring, drive assembly drives distancer one through drive assembly and rotates and then change the range finding angle of distancer one, compare the data that await measuring, acquire the planar plane degree that awaits measuring, have the advantage that detection efficiency is high and the precision is high.

Description

Building engineering quality detection device
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a device for detecting the quality of constructional engineering.
Background
Along with the improvement of society and the improvement of living standard of people, a high-rise building is pulled out, the construction of the high-rise building is not separated from the construction project, and the construction project quality detection is required after the construction of the construction project is finished, and the construction project quality detection refers to the activity of testing the construction project according to relevant national laws and regulations and design standards to determine the quality characteristics of the construction project.
After the construction is completed, flatness detection is required to be carried out on the surface of the construction, the flatness of the existing construction engineering is generally carried out by adopting a perpendicularity detection ruler or a plumb line, and the detection efficiency and the precision are low.
Disclosure of Invention
The embodiment of the invention aims to provide a device for detecting the quality of construction engineering, which aims to solve the problems in the background technology.
The embodiment of the invention is realized by the following steps: the body, body swing joint has the support frame, still includes: the detection mechanism is arranged on the body and comprises a driving assembly, a transmission assembly and a plurality of first range finders, the transmission assembly is arranged in the body and connected with the driving assembly, the driving assembly is used for providing power and connected with the plurality of first range finders, the plurality of first range finders are parallel to the plane to be detected, the first range finders are used for measuring the distance between the first range finders and the plane to be detected, the driving assembly drives the plurality of range finders to swing together through the transmission assembly so as to change the range finding angle of the first range finders, and whether the data of the first range finders of the same group are the same or not is detected to be the flatness of the plane to be detected.
As a further scheme of the invention, the transmission assembly comprises a transmission unit and an adjusting unit, the transmission unit is connected with a plurality of adjusting units, the adjusting unit is connected with a first distance measuring instrument, and the transmission unit is used for driving a plurality of adjusting units to drive a plurality of distance measuring instruments to swing synchronously so as to change the distance measuring angle of the first distance measuring instrument synchronously.
As a further scheme of the invention, the transmission unit comprises a first bevel gear, a second bevel gear, a threaded rod, a thread sleeve and teeth, the adjustment unit comprises a gear, a swinging rod and a fixed shaft, the first bevel gear is connected with the driving assembly, the first bevel gear is meshed with the second bevel gear, the second bevel gear is connected with the threaded rod, the threaded rod is movably connected with the thread sleeve, the teeth are arranged on the thread sleeve, the teeth are meshed with the gear, the swinging rod is arranged on the gear, and the gear is movably connected with the fixed shaft.
As a further aspect of the present invention, the number of bevel gears is at least 2 and is uniformly distributed on the first bevel gear, and the number of the adjusting units is the same as the number of the bevel gears.
As a further scheme of the invention, the body is connected with a rotating assembly, the rotating assembly is provided with a leveling assembly, the leveling assembly comprises an index plate, a pointer and a gravity ring, the index plate is arranged on the supporting frame, the gravity ring is arranged on the outer side of the index plate, the gravity ring is movably connected with the supporting frame, and the pointer is arranged on the rotating assembly.
As a further scheme of the invention, the gravity ring comprises a circular ring, a gravity block and an initial scale mark, the circular ring is movably connected with the support frame, the gravity block is arranged on the circular ring, and the initial scale mark is processed on the circular ring.
As a further scheme of the invention, the leveling component is movably connected with the prompt component, the prompt component comprises a sensor and a prompt piece, the sensor is contacted with the gravity block, the sensor is electrically connected with the prompt piece, the sensor is electrically connected with a controller, and the controller is used for controlling the start or the close of the prompt piece through the sensor.
The device is placed at a preset position, the included angle between the first range finder and the horizontal is read through the leveling component, namely, the inclined angle of the first range finder at the moment is driven by the rotating component to rotate the pointer, so that the pointer and a zero scale line on the dividing plate are located on the same horizontal line, the first range finder is leveled, the first range finder is started to measure the distance data between the first range finder and the plane to be measured, if the distance data between the first range finder and the plane to be measured are the same, the plane formed by the first range finder is parallel to the plane to be measured, the first range finder is perpendicular to the plane to be measured, the driving component drives the first range finder to rotate through the transmission unit and the adjusting unit of the transmission component, the ranging angle of the first range finder is changed, the measured data are compared, and the flatness of the plane to be measured is obtained.
Drawings
Fig. 1 is a schematic structural diagram of a construction quality detecting device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a construction quality inspection device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a partial structure of a measurement assembly of a quality detection device for construction engineering according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of a test structure of a quality detection device for construction engineering according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a local structure of a leveling component of the construction quality detecting device according to the embodiment of the present invention;
FIG. 6 is a schematic view of a gravity ring structure of a construction quality detecting device according to an embodiment of the present invention;
In the accompanying drawings: 1-body, 2-support frame, 3-detection mechanism, 31-drive assembly, 311-first drive, 312-transmission shaft, 32-transmission assembly, 321-transmission unit, 3211-first bevel gear, 3212-second bevel gear, 3213-threaded rod, 3214-threaded sleeve, 3215-tooth, 322-adjustment unit, 3221-gear, 3222-swing link, 3223-fixed shaft, 33-range finder, 34-second range finder, 4-controller, 5-battery, 6-rotation assembly, 61-second drive, 62-drive shaft, 7-leveling assembly, 71-indexing disk, 72-pointer, 73-gravitational ring, 731-circular ring, 732-gravitational block, 733-initial scale, 8-prompting assembly, 81-sensor, 82-prompting member.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 and 2, and fig. 4 and 5, which are one embodiment of the present invention, include: body 1, body 1 swing joint has support frame 2, still includes:
The detection mechanism 3, detection mechanism 3 locates on the body 1, detection mechanism 3 includes drive assembly 31, drive assembly 32 and distancer one 33, drive assembly 32 locates in the body 1, drive assembly 32 with drive assembly 31 is connected, drive assembly 31 is used for providing power, drive assembly 32 with a plurality of distancer one 33 is connected, a plurality of the plane that distancer one 33 formed is parallel with the plane that awaits measuring, distancer one 33 is used for measuring the distance between the plane that a plurality of distancer one 33 formed and the plane that awaits measuring, drive assembly 31 passes through drive assembly 32 drive a plurality of distancer one 33 synchronous swing and then changes the range finding angle of a plurality of distancer one 33, whether the data of a plurality of distancer one 33 of comparison same group detects the plane degree that awaits measuring the same.
Referring to fig. 1, 2, 4, 5 and 6, in this embodiment, the body 1 may be a box body, the detecting mechanism 3 further includes a second rangefinder 34, the second rangefinder 34 is disposed on the body 1, the distance between the second rangefinder 34 and the plane to be detected is always the same, the position of the device is prevented from changing due to external influence during the measurement, the driving assembly 31 includes a first driving member 311 and a driving shaft 312, the first driving member 311 may be a motor, the driving shaft 312 is connected with the driving assembly 32, the body 1 is connected with a rotating assembly 6, the rotating assembly 6 is provided with a leveling assembly 7, the leveling assembly 7 comprises an index plate 71, a pointer 72 and a gravity ring 73, wherein the index plate 71 is arranged on the support frame 2, the gravity ring 73 is arranged on the outer side of the index plate 71, the gravity ring 73 is movably connected with the support frame 2, the rotating assembly 6 comprises a second driving piece 61 and a driving shaft 62, the second driving piece 61 can be a motor, the second driving piece 61 is arranged on the support frame 2, the second driving piece 61 is connected with the driving shaft 62, the driving shaft 62 is movably connected with the support frame 2, the pointer 72 is arranged on the driving shaft 62 on the rotating assembly 6, and the gravity ring 73 comprises a circular ring 731, The gravity block 732 and the initial scale line 733, the circular ring 731 is movably connected with the supporting frame 2, the circular ring 731 is provided with the gravity block 732, the circular ring 731 is provided with the initial scale line 733, when the device is horizontal, the initial scale line 733 and the zero scale line on the index plate 71 are positioned on the same horizontal line, the gravity block 732 is always vertical to the horizontal plane under the action of gravity, the leveling component 7 is movably connected with the prompting component 8, the prompting component 8 comprises a sensor 81 and a prompting piece 82, the sensor 81 is a contact type sensor, the sensor 81 is movably connected with the gravity block 732, the sensor 81 is electrically connected with the prompting element 82, the prompting element 82 can be a prompting element, the sensor 81 is electrically connected with the controller 4, the controller 4 is used for controlling the starting or closing of the prompting element 82 through the sensor 81, the controller 4 is electrically connected with the storage battery 5, the driving component 31 and the rotating component 6, the device is placed at a preset position, when the device is not horizontal, the first 33 and the second 34 of the range finder are not horizontal, the gravity block 732 can restore to a vertical horizontal plane state under the action of gravity, the gravity block 732 can drive the circular ring 731 to rotate to enable the circular ring 731 to be vertical horizontal plane, the initial scale marks 733 are separated from the zero scale marks on the dividing disc 71 when the circular ring 731 rotates, finally, according to the inclination angle known by the scale marks on the index plate 71 indicated by the initial scale marks 733, the controller 4 controls the rotating assembly 6 to drive the body 1 to rotate so as to drive the first and second rangefinders 33 and 34 to rotate by corresponding inclination angles, so that the first and second rangefinders 33 and 34 are horizontal, when the gravity block 732 is in a vertical state, the sensor 81 controls the prompting element 82 to be lightened, when the gravity block 732 is separated from the sensor 81, the sensor 81 controls the prompting element 82 to be extinguished, at the moment, the first and second rangefinders 33 and 34 are not horizontal, and need to be leveled again, the first and second rangefinders 33 and 34 are opened by the controller 4, when the data measured by the plurality of first rangefinders 33 are the same, the plane formed by the plurality of first rangefinders 33 is parallel to the plane to be measured, the first rangefinder 33 is vertical to the plane to be measured (if the planes are different, the first rangefinder 33 is vertical to the plane to be measured by the device to be measured again), the first driving piece 311 drives the first rangefinder 33 to rotate by a preset angle through the driving shaft 312 and the driving component 32, the plurality of first rangefinders 33 measure a plurality of L 1, if the data L 1 are different (the error range is set outside the error range according to the actual situation), the flatness of the plane to be measured is low, the difference of L 1 in the same group of data is larger, the lower the flatness of the plane to be measured is, the more the data are tested to obtain a plurality of groups of data so as to improve the accuracy of the data, therefore, the device can measure the flatness of the plane at any angle, the first range finder 33 is driven to rotate to a preset angle by the rotating component 6, so that the first range finder 33 is perpendicular to the plane to be measured, the flatness of the plane to be measured can be detected, otherwise, the distance between the first range finder 33 and a certain inclined plane is the same, the inclination of the inclined plane is read by the index plate 71 and the pointer 72, and when the data of the second range finder 34 are changed, the position change of the device is proved, and the device is required to be corrected again.
In another embodiment, the prompting element 82 may be a buzzer, the sensor 81 is a contact sensor, the buzzer is electrically connected with the sensor 81, the driving component 31 includes a first driving element 311, a worm and a worm wheel, the first driving element 311 is connected with the worm, the worm is meshed with the worm wheel, the worm wheel is connected with the transmission component 32, and the first driving element 311 drives the worm wheel to rotate through the worm, so as to drive the transmission component 32 to rotate.
Referring to fig. 1-4, in an embodiment of the present invention, the transmission assembly 32 includes a transmission unit 321 and an adjustment unit 322, the transmission unit 321 is connected to a plurality of adjustment units 322, the adjustment unit 322 is connected to the first rangefinder 33, and the transmission unit 321 is used for driving the plurality of adjustment units 322 to swing synchronously so as to adjust the ranging angle of the first rangefinder 33 synchronously.
Referring to fig. 1-4, in this embodiment, the transmission unit 321 includes a first bevel gear 3211, a second bevel gear 3212, a threaded rod 3213, a threaded sleeve 3214 and a tooth 3215, the adjustment unit 322 includes a gear 3221, a swinging rod 3222 and a fixed shaft 3223, the first bevel gear 3211 is connected with the driving assembly 31, the first bevel gear 3211 is meshed with the second bevel gear 3212, the second bevel gear 3212 is connected with the threaded rod 3213, the threaded rod 3213 is movably connected with the threaded sleeve 3214, the threaded sleeve 3214 is provided with a tooth 3215, the tooth 3215 is meshed with the gear 3221, the gear 3221 is movably connected with the fixed shaft 3223, the driving assembly 31 drives the threaded rod 3213 to rotate through the meshing of the first bevel gear 3211 and the second bevel gear 3212, the threaded rod 3214 drives the threaded sleeve 3214 to move linearly, and then drives the tooth 3215 to rotate through the gear 3221, the first swinging rod 3222 drives the swinging rod 3222 to rotate, and the swinging rod 32233 is reset after the detection of each swinging rod is completed.
Preferably, the number of the second bevel gears 3212 is at least 2 and is uniformly distributed on the first bevel gears 3211, and the number of the adjusting units 322 is the same as the number of the second bevel gears 3212.
In another embodiment, the transmission unit 321 includes a first bevel gear 3211 and a second bevel gear 3212, the adjusting unit 322 includes a worm, a worm wheel, a swinging rod 3222 and a fixed shaft 3223, the first bevel gear 3211 is connected with the driving assembly 31, the first bevel gear 3211 is meshed with the second bevel gear 3212, the second bevel gear 3212 is connected with the worm, the worm is meshed with the worm wheel, the worm wheel is provided with the swinging rod 3222, and the worm wheel is movably connected with the fixed shaft 3223.
Working principle:
The device is placed at a preset position, the included angle between the first distance meter 33 and the horizontal is read through the leveling component 7, namely the inclined angle of the first distance meter 33 at the moment, the pointer 72 is driven to rotate through the rotating component 6, so that the pointer 72 and a zero scale line on the index plate 71 are positioned on the same horizontal line, the first distance meter 33 is leveled, the first distance meter 33 is started, the planes formed by the first distance meters 33 are parallel to the plane to be tested if the distance data measured by the first distance meters 33 are the same, the first distance meters 33 are perpendicular to the plane to be tested, the driving component 31 drives the first distance meters 33 to rotate through the transmission unit 321 and the adjusting unit 322 of the transmission component 32, the distance measuring angle of the first distance meters 33 is changed, the measured data is compared, the flatness of the plane to be tested is obtained, and the device has the advantages of high detection efficiency and high precision.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (5)

1. A construction quality inspection device comprising: the body, body swing joint has the support frame, its characterized in that still includes:
The detection mechanism is arranged on the body and comprises a driving assembly, a transmission assembly and a plurality of first range finders, the transmission assembly is arranged in the body and connected with the driving assembly, the driving assembly is used for providing power and connected with the plurality of first range finders, the planes formed by the plurality of first range finders are parallel to the plane to be detected, the first range finders are used for measuring the distance between the planes formed by the plurality of first range finders and the plane to be detected, the driving assembly drives the plurality of first range finders to swing together through the transmission assembly so as to change the range finding angles of the plurality of first range finders, and whether the data of the same group of first range finders are the same or not is detected;
the transmission assembly comprises a transmission unit and an adjusting unit, the transmission unit is connected with a plurality of adjusting units, the adjusting unit is connected with a first range finder, and the transmission unit is used for driving a plurality of adjusting units to drive a plurality of range finders to swing synchronously so as to change the range finding angle of the first range finders synchronously;
The transmission unit comprises a first bevel gear, a second bevel gear, a threaded rod, a thread bush and teeth, the adjustment unit comprises a gear, a swing rod and a fixed shaft, the first bevel gear is connected with the driving assembly, the first bevel gear is meshed with the second bevel gear, the second bevel gear is connected with the threaded rod, the threaded rod is movably connected with the thread bush, the teeth are arranged on the thread bush, the teeth are meshed with the gear, the swing rod is arranged on the gear, and the gear is movably connected with the fixed shaft.
2. The construction quality inspection device according to claim 1, wherein the number of bevel gears is at least 3 and is uniformly distributed on the first bevel gear, and the number of the adjusting units is the same as the number of the bevel gears.
3. The construction quality detection device according to claim 1, wherein the body is connected with a rotating assembly, the rotating assembly is used for driving the range finder to rotate so as to adjust the angle between the range finder and the horizontal plane, the rotating assembly is provided with a leveling assembly, the leveling assembly comprises an index plate, a pointer and a gravity ring, the index plate is arranged on the support frame, the gravity ring is arranged on the outer side of the index plate, the gravity ring is movably connected with the support frame, and the pointer is arranged on the rotating assembly.
4. The construction quality detection device according to claim 3, wherein the gravity ring comprises a circular ring, a gravity block and an initial scale mark, the circular ring is movably connected with the supporting frame, the gravity block is arranged on the circular ring, and the initial scale mark is machined on the circular ring.
5. The construction quality detection device according to claim 4, wherein the leveling component is movably connected with a prompt component, the prompt component comprises a sensor and a prompt piece, the sensor is contacted with the gravity block, the sensor is electrically connected with the prompt piece, and the sensor is electrically connected with a controller, and the controller is used for controlling the start or the close of the prompt piece through the sensor.
CN202110891577.6A 2021-08-04 2021-08-04 Building engineering quality detection device Active CN113607121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110891577.6A CN113607121B (en) 2021-08-04 2021-08-04 Building engineering quality detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110891577.6A CN113607121B (en) 2021-08-04 2021-08-04 Building engineering quality detection device

Publications (2)

Publication Number Publication Date
CN113607121A CN113607121A (en) 2021-11-05
CN113607121B true CN113607121B (en) 2024-05-24

Family

ID=78339494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110891577.6A Active CN113607121B (en) 2021-08-04 2021-08-04 Building engineering quality detection device

Country Status (1)

Country Link
CN (1) CN113607121B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180044753A (en) * 2016-10-24 2018-05-03 대우조선해양 주식회사 Clinometer measurement device
CN111982032A (en) * 2020-08-27 2020-11-24 信阳建筑工程学校 Flatness measuring device for building engineering
CN212158501U (en) * 2020-06-01 2020-12-15 重庆理工大学 Road smoothness measuring device
CN112857523A (en) * 2021-01-16 2021-05-28 唐山市柳林自动化设备有限公司 Control method for improving radar water level measurement precision
CN213363777U (en) * 2020-12-10 2021-06-04 武汉指南针试验设备有限公司 Intelligent detector for detecting building construction quality

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180044753A (en) * 2016-10-24 2018-05-03 대우조선해양 주식회사 Clinometer measurement device
CN212158501U (en) * 2020-06-01 2020-12-15 重庆理工大学 Road smoothness measuring device
CN111982032A (en) * 2020-08-27 2020-11-24 信阳建筑工程学校 Flatness measuring device for building engineering
CN213363777U (en) * 2020-12-10 2021-06-04 武汉指南针试验设备有限公司 Intelligent detector for detecting building construction quality
CN112857523A (en) * 2021-01-16 2021-05-28 唐山市柳林自动化设备有限公司 Control method for improving radar water level measurement precision

Also Published As

Publication number Publication date
CN113607121A (en) 2021-11-05

Similar Documents

Publication Publication Date Title
US5210954A (en) Clinometer
CN108663021B (en) Building wall perpendicularity detection device and detection method using same
CN107389021A (en) Construction wall measuring for verticality equipment
CN110274666B (en) ADCP (advanced digital content control protocol) metrological verification method for river flow application
CN102519424B (en) Accelerometer mounting tool angle change monitoring system
CN106885584B (en) Device and method for testing comprehensive error of inclinometer
CN107389048A (en) Construction wall measuring for verticality method
CN109443330A (en) A kind of Laser Line Marker of adjustable spacing
CN111271052A (en) Combined device and method for measuring pile depth, pile diameter and pile hole perpendicularity
CN113607121B (en) Building engineering quality detection device
CN103197400B (en) Method for high-precision leveling of right-angle reflective prism ridges using a leveling device
CN201740532U (en) Calibration device of level bar and construction engineering detector set
CN108387211B (en) Supporting vault sinking monitoring device and method
CN221764466U (en) Bridge gradient detection device
CN2161904Y (en) Building engineering quality detecting meter
CN208818450U (en) A deflection measuring device for bridge monitoring
CN204007413U (en) Oil pipes internal thread height-gauge
CN215639694U (en) Liquid level meter performance detection equipment
CN223664222U (en) Device for measuring deflection of building structure
CN2151445Y (en) Horizontal verticality tester
CN211234739U (en) Light speed measuring instrument prism interval adjusting guide rail
CN107121078A (en) A kind of piston special comprehensive measuring system based on temperature, difference in height and rotating speed
CN205537610U (en) Perpendicular chi of machinery level bar
CN218822332U (en) Building engineering straightness detection device that hangs down
CN207319541U (en) A kind of pendulum experimental instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant