CN112212771A - Three-dimensional building wall body outer vertical surface flatness detection device - Google Patents

Three-dimensional building wall body outer vertical surface flatness detection device Download PDF

Info

Publication number
CN112212771A
CN112212771A CN202011016650.7A CN202011016650A CN112212771A CN 112212771 A CN112212771 A CN 112212771A CN 202011016650 A CN202011016650 A CN 202011016650A CN 112212771 A CN112212771 A CN 112212771A
Authority
CN
China
Prior art keywords
building wall
detection device
vertical surface
dimensional building
flatness
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.)
Withdrawn
Application number
CN202011016650.7A
Other languages
Chinese (zh)
Inventor
吴高雄
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011016650.7A priority Critical patent/CN112212771A/en
Publication of CN112212771A publication Critical patent/CN112212771A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/28Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention discloses a device for detecting the flatness of the outer vertical surface of a three-dimensional building wall body, which comprises a detection device body, a sealing plate, a handle, a pressing knob, a connecting hole, a mounting frame, a supporting spring and a sliding groove, wherein the mounting frame is arranged on the detection device body, the front side of the mounting frame is fixedly connected with the sealing plate through the connecting hole and a screw, the handle is welded on one side of the mounting frame, a rectangular protective cover is welded on the inner side of the sealing plate, a containing bin is arranged inside the protective cover, the middle part of the outer side of the sealing plate is connected with the pressing knob through a bearing, a threaded rod is integrally formed at the inner end of the pressing knob, and a jacking head. This three-dimensional building wall external vertical surface roughness detection device compares with the vertical rectangular form rod column structure of traditional stick or other materials, can be accurate measure the outer facade of building to can remain and detect the size, observe three-dimensional directly perceived more, and convenient to use, it is not fragile.

Description

Three-dimensional building wall body outer vertical surface flatness detection device
Technical Field
The invention relates to the technical field of flatness detection of an external vertical surface of a building wall, in particular to a flatness detection device of an external vertical surface of a three-dimensional building wall.
Background
In the in-process of architectural decoration construction, because building wall is pouring or the pile back, its surface has defects such as pothole to cause the unevenness of wall, consequently, generally at the in-process of fitment, can use putty or instead other fillers to paint the restoration in place to the wall usually, make the wall can reach a smooth structure in surface, promote the holistic pleasing to the eye degree of wall, and be favorable to the decoration of follow-up wall, the vertical rectangular stick column structure that generally adopts vertical wooden stick or other materials hugs closely at the wall at present, and whether there is the gap between vertical rectangular stick column structure and the wall of wood stick or other materials with the naked eye observation, judge whether smooth according to this whether the wall is smooth.
However, when the flatness of the building outer wall is detected at present, the following problems exist:
1. the gap between the vertical strip-shaped rectangular stick-shaped structure made of wood sticks or other materials and the wall surface is observed by adopting the traditional naked eyes, the measurement precision is poor, the sunken part on the surface of the wall surface cannot be intuitively and accurately measured, and whether the flatness of the outer vertical surface of the wall surface meets the standard cannot be effectively judged;
2. the traditional vertical long rectangular stick-shaped structure made of wood sticks or other materials is easy to damage or bend along with the lengthening of the use times or time, and the accuracy of wall surface measurement is influenced.
Disclosure of Invention
The invention aims to provide a device for detecting flatness of an external vertical surface of a three-dimensional building wall body, which is used for solving the problems that when flatness detection is carried out on the building external wall in the current market in the background technology, gaps between a wood stick or a vertical long rectangular stick-shaped structure made of other materials and the wall surface are observed by adopting the traditional naked eyes, the measurement precision is poor, accurate measurement cannot be carried out on the concave part of the wall surface intuitively, whether the flatness of the external vertical surface of the wall surface meets the standard cannot be judged effectively, and the damage or bending of the stick-shaped structure is easy to happen along with the lengthening of the use times or time and the accuracy of the measurement on the wall surface is influenced due to the traditional vertical long rectangular stick-shaped structure made of the wood stick or the other materials.
In order to achieve the purpose, the invention provides the following technical scheme: a three-dimensional building wall body outer vertical surface flatness detection device comprises a detection device body, a sealing plate, a handle, a pressing knob, a connecting hole, a mounting frame, a support spring and a sliding groove, wherein the mounting frame is arranged on the detection device body, the front side of the mounting frame is fixedly connected with the sealing plate through the connecting hole and a screw, the handle is welded on one side of the mounting frame, a rectangular protective cover is welded on the inner side of the sealing plate, a containing bin is arranged inside the protective cover, the pressing knob is connected to the middle part of the outer side of the sealing plate through a bearing, a threaded rod is integrally formed at the inner end of the pressing knob, a threaded sleeve is sleeved on the outer side of the threaded rod, the outer end of the threaded sleeve is connected with a support frame through a rotating shaft, the corner of the support frame close to the threaded sleeve is rotatably connected with, one side of the mounting frame, which is far away from the handle, is provided with a puller head.
Preferably, the tightening heads are arranged in the sliding port in the mounting frame at equal intervals, the outer ends of the tightening heads are of smooth structures with end faces being oval, and supporting springs are connected between the inner ends of the tightening heads and the sliding port through screws.
Preferably, a straight tooth groove is machined in one side face, close to the sealing plate, of the inner end of each jacking head, adjacent jacking heads are not in contact, and the mounting structure of each jacking head is of a sliding structure.
Preferably, the mounting bracket is internally provided with a mounting groove, the depth of the mounting groove is equal to the width of the protective cover on the inner side of the sealing plate, and the mounting groove is communicated with the sliding opening.
Preferably, the shape structure of the support frame is a bent structure, the support frame uses a rotating shaft at a bent position as a rotating center, one end of the support frame close to the threaded sleeve is shorter than the other end of the support frame, and two support frames are symmetrically arranged around the threaded sleeve.
Preferably, the upper side and the lower side of the two sides of the pressing plate are both welded with limiting slide blocks, and the limiting slide blocks are in sliding connection with sliding grooves formed in the inner wall of the protective cover.
Preferably, the inner end face of the compression plate and the outer side face of the inner tightening head of the sliding port are arranged in parallel, the length of the compression plate is greater than the maximum distance between the two tightening heads on the outermost side, and the outer end face of the tightening head is flush with the bottom of the outer mounting groove of the sliding port.
Preferably, the sum of the length of the threaded rod and the length of the pressing plate is smaller than the width of the protective cover, and a spur rack meshed with a spur tooth groove in the pressing head is machined on one side surface, close to the pressing head, of the pressing plate.
Compared with the prior art, the invention has the beneficial effects that: compared with the traditional wood stick or a vertical strip-shaped rectangular stick-shaped structure made of other materials, the flatness detection device for the outer vertical surface of the three-dimensional building wall body can accurately measure the outer vertical surface of a building, can keep the detection size, is more visual and three-dimensional in observation, is convenient to use, and is not easy to damage;
1. the slidable tightening head is placed in the sliding port at the bottom of the mounting groove in the mounting frame, the scale marks are arranged on the outer surface of the tightening head, when the detection device body is tightly attached to the wall surface, the tightening head can enter the sunken part of the wall surface under the pushing of the spring, and the depth of the sunken part of the wall surface can be visually observed through the scale marks on the outer surface of the tightening head, so that the wall surface is accurate and rapid;
2. the middle part of the sealing plate is provided with a pressing knob, the inner end of the pressing knob is connected with a threaded sleeve through a threaded rod, rotating shafts on two sides of the threaded sleeve are connected with a supporting frame which can rotate through a rotating shaft, and a rotating shaft on the outer end of the supporting frame is connected with a slidable pressing plate, so that the pressing plate can press a puller in the sliding port, the puller is prevented from moving, a measuring person can conveniently take down the detection device body, more visual observation can be realized, and the pressing plate can be conveniently accommodated;
3. the inner end face of the pressing plate is provided with the straight rack, the outer end face of the jacking head is parallel and level with the outer portion of the sliding opening, the effect of being connected with the straight rack on the jacking head in a matched mode is achieved, the jacking head can be tightly pressed, looseness of the jacking head is avoided, and the measuring accuracy is improved.
Drawings
FIG. 1 is a schematic structural diagram of a detection device body of the detection device for detecting the flatness of the outer vertical surface of a three-dimensional building wall body;
FIG. 2 is a schematic sectional view of the portion A-A in FIG. 1 of the device for detecting flatness of the exterior vertical surface of a three-dimensional building wall according to the present invention;
FIG. 3 is a schematic structural diagram of an installation frame and a tightening head of the device for detecting the flatness of the external vertical surface of the three-dimensional building wall;
FIG. 4 is an enlarged schematic structural view of a point A in FIG. 3 of the device for detecting flatness of the external vertical surface of the three-dimensional building wall according to the present invention;
FIG. 5 is a schematic cross-sectional view of a sealing plate and a protective cover of the device for detecting flatness of the external vertical surface of a three-dimensional building wall according to the present invention;
FIG. 6 is a schematic view of the structure of the sealing plate and the inner side of the protective cover of the device for detecting the flatness of the outer vertical surface of the three-dimensional building wall according to the present invention;
fig. 7 is a schematic structural diagram of a detection state of a detection device body of the detection device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body.
In the figure: 1. a detection device body; 2. closing the plate; 3. a handle; 4. a compression knob; 5. tightly pushing the head; 6. connecting holes; 7. a mounting frame; 8. mounting grooves; 9. a sliding port; 10. a protective cover; 11. a threaded sleeve; 12. a support frame; 13. a rotating shaft; 14. a compression plate; 15. a support spring; 16. a straight tooth groove; 17. a threaded rod; 18. a storage bin; 19. straight rack; 20. a chute; 21. and a limiting sliding block.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a three-dimensional building wall body outer three-dimensional surface flatness detection device comprises a detection device body 1, a seal plate 2, a handle 3, a pressing knob 4, a jacking head 5, a connecting hole 6, an installation frame 7, an installation groove 8, a sliding port 9, a protective cover 10, a thread bushing 11, a support frame 12, a rotating shaft 13, a pressing plate 14, a support spring 15, a straight tooth groove 16, a threaded rod 17, a containing bin 18, a straight rack 19, a sliding groove 20 and a limiting slider 21, wherein the detection device body 1 is provided with the installation frame 7, the front side of the installation frame 7 is fixedly connected with the seal plate 2 through the connecting hole 6 and a screw, one side of the installation frame 7 is welded with the handle 3, the inner side of the seal plate 2 is welded with the rectangular protective cover 10, the containing bin 18 is arranged inside the protective cover 10, the middle part of the outer side of the seal plate 2 is connected with the pressing knob 4, the outside cover of threaded rod 17 is equipped with thread bush 11, and the outer end of thread bush 11 is connected with support frame 12 through the pivot to support frame 12 is close to the corner of thread bush 11 and is rotated with protection casing 10 through rotation axis 13 and is connected, and the other end that thread bush 11 was kept away from to support frame 12 simultaneously is connected with pressure strip 14 through the pivot, and one side that handle 3 was kept away from to mounting bracket 7 is provided with puller head 5.
The equidistance of puller head 5 is arranged in the inside sliding port 9 of mounting bracket 7, and the outer end of puller head 5 is the oval smooth structure of terminal surface, and screwed connection has supporting spring 15 between the inner of puller head 5 and sliding port 9, the side processing that the inner of puller head 5 is close to shrouding 2 has straight tooth groove 16, and contactless between the adjacent puller head 5, and the mounting structure of puller head 5 is sliding structure, the setting can be when detection device body 1 is hugged closely with the building wall like this, puller head 5 is under supporting spring 15's promotion, the hollow depressed part of puller wall, can audio-visual observation wall's roughness through the scale mark on the puller head 5.
The inside of the mounting rack 7 is provided with a mounting groove 8, the groove depth of the mounting groove 8 is the same as the width of the protective cover 10 at the inner side of the sealing plate 2, the mounting groove 8 is communicated with a sliding opening 9, the shape structure of the support frame 12 is a bending structure, the support frame 12 takes a rotating shaft 13 at the bending part as a rotating center, one end of the support frame 12 close to the threaded sleeve 11 is shorter than the other end, meanwhile, two support frames 12 are symmetrically arranged about the threaded sleeve 11, the upper and lower edges at the two sides of the compression plate 14 are both welded with a limit slider 21, the limit slider 21 is in sliding connection with a sliding groove 20 arranged on the inner wall of the protective cover 10, the inner end surface of the compression plate 14 and the outer side surface of the jacking head 5 inside the sliding opening 9 are arranged in parallel, the length of the compression plate 14 is longer than the maximum distance between the two jacking heads 5 at the outermost side, and the, the length of threaded rod 17 and the length sum of pressure strip 14 are less than the width of protection casing 10, and pressure strip 14 is close to a side processing of top tight head 5 have with top tight head 5 go up spur rack 16 meshing connection's spur rack 19, set up like this and can when measuring, screw and compress tightly knob 4, realize that pressure strip 14 compresses tightly fixedly to top tight head 5, avoid top tight head 5's slip, make things convenient for survey crew to take off and measure and the record.
The working principle is as follows: when the device for detecting the flatness of the outer vertical surface of the three-dimensional building wall is used, as shown in fig. 1, a measurer can hold the handle 3 by hands and tightly attach one side of the detection device body 1 with the tightening head 5 to a measured wall surface, namely, as shown in a state of fig. 7, in the process that the detection device body 1 is tightly attached to the wall surface, as shown in fig. 1-4, the tightening head 5 enters the hollow concave part of the wall surface under the extrusion of the wall surface and the pushing action of the supporting spring 15, and after the detection device body 1 is ensured to be tightly attached to the wall surface, scales can be observed through the scale marks on the surface of the tightening head 5;
the user can also rotate the pressing knob 4 on the sealing plate 2, that is, as shown in fig. 1-2, when the pressing knob 4 is rotated, the pressing knob 4 drives the threaded rod 17 to rotate, the threaded rod 17 drives the supporting frame 12 to rotate through the rotating shaft 13 under the engagement action with the threaded sleeve 11 on the outer side thereof, and in the process of rotating the supporting frame 12, the outer end of the supporting frame 12 pushes the pressing plate 14, as shown in fig. 2 and 5-6, the pressing plate 14 moves to one side of the sliding port 9 inside the mounting groove 8, the limiting sliders 21 on both sides of the pressing plate 14 move in the sliding grooves 20 on the inner wall of the protective cover 10 and press the tightening head 5 inside the sliding port 9, as shown in fig. 3-6, the straight rack 19 on the inner side of the pressing plate 14 can engage with the straight tooth grooves 16 on the tightening head 5, so as to avoid the movement of the tightening head 5, and facilitate the inspector to take off and observe the inspection device body 1, and recording the detected data;
after the recording is finished, as shown in fig. 2 and fig. 5-6, the pressing knob 4 is reversely unscrewed, the pressing knob 4 drives the threaded rod 17 to reversely rotate, the threaded rod 17 drives the support frame 12 to reversely rotate through the rotating shaft 13 under the meshing action of the threaded sleeve 11 on the outer side of the threaded rod 17, in the rotating process of the support frame 12, the outer end of the support frame 12 pulls the pressing plate 14, the pressing plate 14 moves towards one side of the threaded rod 17 inside the protective cover 10, the separation of the straight rack 19 on the inner side of the pressing plate 14 and the straight tooth groove 16 on the jacking head 5 can be realized, and at the moment, the measuring device body 1 can be used again to detect other wall surfaces.
It should be understood that the terms "central," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, that the present invention is used with reference to the particular orientation or position shown in the drawings, that the standard components used in the present invention are commercially available, that the specific components are custom-made from the specification and drawings, that the specific connections between the various components are made by conventional means such as bolts, rivets, welding, etc., that the machines, components and devices are well known in the art, the conventional model, together with the circuit connections, are conventional in the art and will not be described in detail here.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides an external facade roughness detection device of three-dimensional building wall, includes detection device body (1), shrouding (2), handle (3), compresses tightly knob (4), connecting hole (6), mounting bracket (7), supporting spring (15) and spout (20), its characterized in that: the detection device comprises a detection device body (1), wherein a mounting frame (7) is arranged on the detection device body (1), the front side of the mounting frame (7) is fixedly connected with a sealing plate (2) through a connecting hole (6) and a screw, a handle (3) is welded on one side of the mounting frame (7), a rectangular protective cover (10) is welded on the inner side of the sealing plate (2), a storage bin (18) is arranged inside the protective cover (10), a pressing knob (4) is connected to the middle of the outer side of the sealing plate (2) through a bearing, a threaded rod (17) is integrally formed at the inner end of the pressing knob (4), a threaded sleeve (11) is sleeved on the outer side of the threaded rod (17), a support frame (12) is connected to the outer end of the threaded sleeve (11) through a rotating shaft, the support frame (12) is rotatably connected with the protective cover (10) through a rotating shaft (13), and the other end, far away from the threaded sleeve (11, one side of the mounting rack (7) far away from the handle (3) is provided with a puller head (5).
2. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the jacking heads (5) are arranged in sliding ports (9) in the mounting rack (7) at equal intervals, the outer ends of the jacking heads (5) are of smooth structures with oval end surfaces, and supporting springs (15) are connected between the inner ends of the jacking heads (5) and the sliding ports (9) through screws.
3. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: straight tooth grooves (16) are machined in one side face, close to the sealing plate (2), of the inner end of each jacking head (5), adjacent jacking heads (5) are not in contact, and the mounting structure of each jacking head (5) is of a sliding structure.
4. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the inside of mounting bracket (7) is provided with mounting groove (8), and the groove depth of mounting groove (8) is the same with the width of shrouding (2) inboard protection casing (10) to mounting groove (8) are linked together with slip mouth (9).
5. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the shape structure of support frame (12) is the structure of buckling form, and support frame (12) use rotation axis (13) of its department of buckling as centre of rotation to the one end that support frame (12) is close to threaded sleeve (11) is less than the length of its other end, and support frame (12) are provided with two about threaded sleeve (11) symmetry simultaneously.
6. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the upper side and the lower side of the two sides of the pressing plate (14) are both welded with limiting sliding blocks (21), and the limiting sliding blocks (21) are in sliding connection with sliding grooves (20) formed in the inner wall of the protective cover (10).
7. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the inner end face of the pressing plate (14) and the outer side face of the inner tightening head (5) of the sliding opening (9) are arranged in parallel, the length of the pressing plate (14) is larger than the maximum distance between the two tightening heads (5) on the outermost side, and the outer end face of the tightening head (5) is flush with the bottom of the outer mounting groove (8) of the sliding opening (9).
8. The device for detecting the flatness of the outer vertical surface of the three-dimensional building wall body according to claim 1, is characterized in that: the sum of the length of the threaded rod (17) and the length of the pressing plate (14) is smaller than the width of the protective cover (10), and a spur rack (19) meshed with a straight tooth groove (16) in the tightening head (5) is machined on one side surface, close to the tightening head (5), of the pressing plate (14).
CN202011016650.7A 2020-09-24 2020-09-24 Three-dimensional building wall body outer vertical surface flatness detection device Withdrawn CN112212771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011016650.7A CN112212771A (en) 2020-09-24 2020-09-24 Three-dimensional building wall body outer vertical surface flatness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011016650.7A CN112212771A (en) 2020-09-24 2020-09-24 Three-dimensional building wall body outer vertical surface flatness detection device

Publications (1)

Publication Number Publication Date
CN112212771A true CN112212771A (en) 2021-01-12

Family

ID=74051550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011016650.7A Withdrawn CN112212771A (en) 2020-09-24 2020-09-24 Three-dimensional building wall body outer vertical surface flatness detection device

Country Status (1)

Country Link
CN (1) CN112212771A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112729081A (en) * 2021-02-03 2021-04-30 乐清市建设监理有限公司 Building engineering roughness detection device
CN113624110A (en) * 2021-06-30 2021-11-09 沪东中华造船(集团)有限公司 Method for detecting flatness of liquid cargo tank of LNG ship
CN114278090A (en) * 2021-12-30 2022-04-05 徐州博诺威机械设备有限公司 Depth self-marking different-color type opposite-punching type building construction device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237860A (en) * 1990-06-19 1993-08-24 Ngk Insulators, Ltd. Method for measuring surface roughness of honeycomb structures and surface roughness-measuring elements used therefor
CN107631951A (en) * 2017-08-14 2018-01-26 塔里木大学 Frictional wear test device
CN207163388U (en) * 2017-06-22 2018-03-30 河北工业职业技术学院 Architectural design measures multifunctional ruler
CN210570387U (en) * 2019-11-11 2020-05-19 中建二局第三建筑工程有限公司 Retaining wall verticality and flatness detection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237860A (en) * 1990-06-19 1993-08-24 Ngk Insulators, Ltd. Method for measuring surface roughness of honeycomb structures and surface roughness-measuring elements used therefor
CN207163388U (en) * 2017-06-22 2018-03-30 河北工业职业技术学院 Architectural design measures multifunctional ruler
CN107631951A (en) * 2017-08-14 2018-01-26 塔里木大学 Frictional wear test device
CN210570387U (en) * 2019-11-11 2020-05-19 中建二局第三建筑工程有限公司 Retaining wall verticality and flatness detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112729081A (en) * 2021-02-03 2021-04-30 乐清市建设监理有限公司 Building engineering roughness detection device
CN113624110A (en) * 2021-06-30 2021-11-09 沪东中华造船(集团)有限公司 Method for detecting flatness of liquid cargo tank of LNG ship
CN114278090A (en) * 2021-12-30 2022-04-05 徐州博诺威机械设备有限公司 Depth self-marking different-color type opposite-punching type building construction device

Similar Documents

Publication Publication Date Title
CN112212771A (en) Three-dimensional building wall body outer vertical surface flatness detection device
CN211121037U (en) Quality detection device for building engineering
CN219736310U (en) Blind size detection device
CN218297028U (en) Steel gate appearance detection device
CN210981051U (en) Full-sealed touch digital display caliper
CN218628101U (en) Angle measuring device for building engineering
CN209814017U (en) Detachable high-wear-resistance intelligent digital display gauging rule
CN218916303U (en) Metal surface detects roughness appearance
CN214308671U (en) Floor thickness gauge convenient to use by hand for building safety detection
CN211552734U (en) Laser thickness gauge capable of measuring accurately
CN115376390A (en) Mathematical model modeling device
CN212007186U (en) Engineering management project is tested and is received with wall body levelness measuring mechanism
CN208223366U (en) A kind of accurate roller chamfering conicity measurement mechanism
CN212807753U (en) Portable dust sampling instrument
CN111609783A (en) Device and method for measuring aperture of mechanical part
CN210426304U (en) Vernier caliper convenient for single person to use
CN210981151U (en) Planar spacing size measuring device
CN208688352U (en) Digital display calliper
CN216432816U (en) Wall corner measuring device for interior decoration construction
CN220912211U (en) Measuring device for architectural design
CN216558687U (en) Manual full-replaceable shaft gear span rod distance measuring table
CN210862701U (en) A handheld spirit level for construction
CN217275982U (en) Detection ruler for building engineering project management
CN218382201U (en) Hardness detection device of strip-shaped aluminum alloy section
CN210664244U (en) Foldable sealing strip length detection 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
WW01 Invention patent application withdrawn after publication

Application publication date: 20210112

WW01 Invention patent application withdrawn after publication