CN216049826U - Verticality measuring device for building construction - Google Patents

Verticality measuring device for building construction Download PDF

Info

Publication number
CN216049826U
CN216049826U CN202122250174.1U CN202122250174U CN216049826U CN 216049826 U CN216049826 U CN 216049826U CN 202122250174 U CN202122250174 U CN 202122250174U CN 216049826 U CN216049826 U CN 216049826U
Authority
CN
China
Prior art keywords
wall surface
wall
measuring device
fixedly connected
sliding
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
CN202122250174.1U
Other languages
Chinese (zh)
Inventor
贾国豪
伊长东
张永青
郭永利
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.)
China Construction Fifth Engineering Bureau Co Ltd
Original Assignee
China Construction Fifth Engineering Bureau 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 China Construction Fifth Engineering Bureau Co Ltd filed Critical China Construction Fifth Engineering Bureau Co Ltd
Priority to CN202122250174.1U priority Critical patent/CN216049826U/en
Application granted granted Critical
Publication of CN216049826U publication Critical patent/CN216049826U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The application discloses house construction is with straightness measuring device that hangs down, including base, collecting box, laser lamp, backup pad, first connecting plate, second connecting plate, adjustment mechanism and measuring mechanism, adjustment mechanism includes electric putter, adapter sleeve and slide, base top outer wall fixed surface connects electric putter, electric putter top outer wall fixed surface connects the adapter sleeve, adapter sleeve inner wall surface sliding connection slide. The gear groove of the gear inside the connecting sleeve is driven to slide by starting the first motor, the sliding plate is conveniently pushed out along the sliding of the first sliding rod, the connecting sleeve is conveniently pushed to move by starting the electric push rod along the whole length of the measuring device, the connecting sleeve is conveniently pushed to rise, the whole height of the measuring device is conveniently adjusted, and the measuring device is conveniently adjusted according to the construction measuring environment requirement.

Description

Verticality measuring device for building construction
Technical Field
The application relates to the field of building construction, in particular to a verticality measuring device for building construction.
Background
The building construction engineering refers to various building constructions and their auxiliary facilities, and the matching line, pipeline, equipment installation engineering and indoor and outdoor decoration engineering. The house building is a project which is provided with a top cover, a beam column, a wall, a foundation and can form an internal space and meet the requirements of people on production, living, study, public activities and the like.
The current verticality measuring device for housing construction is not convenient for adjust measuring device's holistic height and length according to construction environment, leads to the device practicality lower, and is not convenient for can collect the rope when measuring the completion together, leads to the rope overlength to cause to tie a knot together. Therefore, a verticality measuring device for building construction is provided for solving the problems.
Disclosure of Invention
The verticality measuring device for building construction is used for solving the problem that the whole height and length of the verticality measuring device for building construction in the prior art are inconvenient to adjust according to the construction environment, so that the practicability of the device is low.
According to one aspect of the application, a verticality measuring device for building construction is provided, and comprises a base, a collecting box, a laser lamp, a supporting plate, a first connecting plate, a second connecting plate, an adjusting mechanism and a measuring mechanism, wherein the collecting box is arranged on the base;
the adjusting mechanism comprises an electric push rod, a connecting sleeve and a sliding plate, the surface of the outer wall of the top end of the base is fixedly connected with the electric push rod, the surface of the outer wall of the top end of the electric push rod is fixedly connected with the connecting sleeve, and the surface of the inner wall of the connecting sleeve is connected with the sliding plate in a sliding manner;
the measuring mechanism comprises a second connecting plate, a rope and a lead block, the outer wall surface of one end of the sliding plate is fixedly connected with the supporting plate, the top end of the outer wall surface of the supporting plate is fixedly connected with the collecting box, the inner wall surface of the collecting box is rotatably connected with the second rotating shaft, the outer wall surface of the second rotating shaft is slidably connected with the rope, one end of the rope is fixedly connected with the lead block, and the outer wall surface of the collecting box is fixedly connected with the second connecting plate.
Further, the outer wall surface of the bottom end of the base is fixedly connected with a bearing wheel, and the outer wall surface of the bearing wheel is connected with a limiting block in a sliding mode.
Further, adapter sleeve inner wall surface fixed connection gear groove, gear groove outer wall surface sliding connection gear, the first pivot of gear middle part fixed connection, first pivot outer wall surface rotates connects the slide.
Furthermore, the top end of the sliding plate is fixedly connected with a first sliding block, the middle of the first sliding block is rotatably connected with a first sliding rod, the surface of the outer wall of the first sliding rod is fixedly connected with a connecting block, and the surface of the outer wall of the connecting block is fixedly connected with a connecting sleeve.
Furthermore, a sliding groove is formed in the surface of the outer wall of the connecting sleeve, the surface of the inner wall of the sliding groove is connected with the bottom end of the motor in a sliding mode, and the output end of the motor is fixedly connected with the first rotating shaft.
Furthermore, the outer wall surface of the collecting box is fixedly connected with a second rotating shaft, the outer wall surface of the bottom end of the second connecting plate is fixedly connected with a third connecting plate, the outer wall surface of the third connecting plate is rotatably connected with a third rotating shaft, the outer wall surface of the third rotating shaft is fixedly connected with a pulley, the outer wall surface of the pulley is slidably connected with a rope, and the outer wall surface of the collecting box is fixedly connected with a laser lamp.
Furthermore, the outer wall surface of the collecting box is fixedly connected with a first connecting plate, the outer wall surface of the bottom end of the first connecting plate is fixedly connected with a second sliding rod, the outer wall surface of the second sliding rod is connected with a second sliding block in a sliding mode, the outer wall surface of the second sliding block is fixedly connected with a scale, the outer wall surface of the second sliding rod is provided with a clamping groove, the inner wall surface of the clamping groove is connected with a third sliding block in a sliding mode, and the outer wall surface of the third sliding block is connected with the second sliding block in a sliding mode.
Through the above-mentioned embodiment of this application, adjustment mechanism and measuring mechanism have been adopted, solved for housing construction straightness measuring device that hangs down and be not convenient for adjust measuring device's holistic height and length according to construction environment, lead to the lower problem of device practicality, it slides at the inside gear groove of adapter sleeve to have gained and driven gear through starting first motor, be convenient for slide along first slide bar slip release, be convenient for along measuring device's whole length, and promote the adapter sleeve through starting electric putter and remove, be convenient for promote the adapter sleeve and rise, be convenient for adjust measuring device's holistic height, be convenient for adjust measuring device's effect according to construction measurement environment needs.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;
FIG. 3 is a schematic top view of an embodiment of the present application;
fig. 4 is a schematic view of a portion a of fig. 2 according to an embodiment of the present disclosure.
In the figure: 1. a base; 2. an electric push rod; 3. connecting sleeves; 4. a gear groove; 5. a slide plate; 6. a support plate; 7. a first rotating shaft; 8. a gear; 9. a first slider; 10. a first slide bar; 11. a load-bearing wheel; 12. a first motor; 13. a second motor; 14. a first connecting plate; 15. a scale; 16. connecting blocks; 17. a collection box; 18. a second connecting plate; 19. a rope; 20. a second rotating shaft; 21. a third connecting plate; 22. a pulley; 23. a laser light; 24. a second slider; 25. a limiting block; 26. lead blocks; 27. a second slide bar; 28. a card slot; 29. a third slider; 30. a third rotating shaft; 31. a chute.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The adjusting mechanism in the embodiment can be applied to various measuring devices, for example, the following measuring device for adjusting the height of the wetland water level is provided in the embodiment, and the adjusting mechanism in the embodiment can be used for installing the following measuring device.
The measuring device mechanism includes: the upper end of the support rod is provided with a handle, a sliding groove is formed in the side wall of the support rod, a telescopic rod is connected in the sliding groove in a sliding mode, the lower end of the telescopic rod penetrates through the side wall of the sliding groove and extends to the outside of the support rod, the side wall of the upper end of the telescopic rod is fixedly connected with a limiting block, the side wall of the lower end of the telescopic rod is fixedly connected with a floating plate, the side walls of the telescopic rod, the limiting block and the floating plate are all provided with a communicating cavity in a penetrating mode and are communicated with one another, the side wall of the telescopic rod is provided with a plurality of limiting grooves, the side wall of the support rod is connected with a limiting bolt in a penetrating mode, the end of the spring is fixedly connected to the outer side wall of the support rod, the other end of the limiting bolt abuts against the side wall of the corresponding limiting groove tightly, a storage box is fixedly connected to the side wall of the support rod, and the opposite side wall of the storage box are provided with communicating holes in a penetrating mode, be provided with measuring mechanism in the receiver, measuring mechanism's end passes the inside in intercommunicating pore, intercommunication chamber in proper order and extends to the lower extreme of kickboard, measuring mechanism's terminal fixedly connected with gravity piece, fixed mounting has the leading wheel on the lateral wall of spout.
Preferably, measuring mechanism is including rotating the bull stick of connection on the receiver inside wall, the end of bull stick runs through the one end lateral wall of receiver and extends to the outside of receiver, the terminal fixedly connected with rocker of bull stick, around being equipped with the tape measure on the lateral wall of bull stick, the end of tape measure passes the inside in intercommunicating pore, intercommunication chamber in proper order and extends to the lower extreme of kickboard, the terminal fixed connection of gravity piece and tape measure, the upper end lateral wall of receiver runs through and has seted up the viewing aperture, the upper end lateral wall fixedly connected with viewing plate of receiver.
Of course, the present embodiment can also be used for measuring devices installed in other structures. The following describes the adjusting mechanism according to the embodiment of the present application, which is not described in detail herein.
Referring to fig. 1-4, a verticality measuring device for building construction includes a base 1, a collecting box 17, a laser lamp 23, a supporting plate 6, a first connecting plate 14, a second connecting plate 18, an adjusting mechanism and a measuring mechanism;
the adjusting mechanism comprises an electric push rod 2, a connecting sleeve 3 and a sliding plate 5, the surface of the outer wall of the top end of the base 1 is fixedly connected with the electric push rod 2, the surface of the outer wall of the top end of the electric push rod 2 is fixedly connected with the connecting sleeve 3, and the surface of the inner wall of the connecting sleeve 3 is slidably connected with the sliding plate 5;
the measuring mechanism comprises a second connecting plate 18, a rope 19 and a lead block 26, the outer wall surface of one end of the sliding plate 5 is fixedly connected with a supporting plate 6, the top end of the outer wall surface of the supporting plate 6 is fixedly connected with a collecting box 17, the inner wall surface of the collecting box 17 is rotatably connected with a second rotating shaft 20, the outer wall surface of the second rotating shaft 20 is connected with a rope 19 in a sliding way, one end of the rope 19 is fixedly connected with a lead block 26, the outer wall surface of the collecting box 17 is fixedly connected with a second connecting plate 18, by starting the first motor 12 to drive the gear 8 to slide in the gear groove 4 inside the connecting sleeve 3, the sliding plate 5 can be conveniently pushed out along the first sliding rod 10 in a sliding manner, the overall length of the measuring device can be conveniently measured, the connecting sleeve 3 is pushed to move by starting the electric push rod 2, so that the connecting sleeve 3 is conveniently pushed to rise, the integral height of the measuring device is conveniently adjusted, and the measuring device is conveniently adjusted according to the requirement of a construction measuring environment;
the surface of the outer wall of the bottom end of the base 1 is fixedly connected with a bearing wheel 11, the surface of the outer wall of the bearing wheel 11 is slidably connected with a limiting block 25, a limiting device is convenient to move, the surface of the inner wall of the connecting sleeve 3 is fixedly connected with a gear groove 4, the surface of the outer wall of the gear groove 4 is slidably connected with a gear 8, the middle part of the gear 8 is fixedly connected with a first rotating shaft 7, the surface of the outer wall of the first rotating shaft 7 is rotatably connected with a sliding plate 5, the length of the sliding plate is convenient to adjust, the top end of the sliding plate 5 is fixedly connected with a first sliding block 9, the middle part of the first sliding block 9 is rotatably connected with a first sliding rod 10, the surface of the outer wall of the first sliding rod 10 is fixedly connected with a connecting block 16, the surface of the outer wall of the connecting block 16 is fixedly connected with the connecting sleeve 3, the sliding plate 5 is convenient to stably slide, the surface of the outer wall of the connecting sleeve 3 is provided with a sliding groove 31, the surface of the inner wall of the sliding groove 31 is slidably connected with the bottom end of a first motor 12, and the output end of the first rotating shaft 7 is fixedly connected with the first motor 12, the outer wall surface of the collecting box 17 is fixedly connected with a second rotating shaft 20, the outer wall surface of the bottom end of the second connecting plate 18 is fixedly connected with a third connecting plate 21, the outer wall surface of the third connecting plate 21 is rotatably connected with a third rotating shaft, the outer wall surface of the third rotating shaft is fixedly connected with a pulley 22, the surface of the outer wall of the pulley 22 is connected with a rope 19 in a sliding way, the surface of the outer wall of the collection box 17 is fixedly connected with a laser lamp 23, so that the measurement is convenient, the outer wall surface of the collecting box 17 is fixedly connected with a first connecting plate 14, the outer wall surface of the bottom end of the first connecting plate 14 is fixedly connected with a second sliding rod 27, the outer wall surface of the second slide bar 27 is connected with the second slide block 24 in a sliding way, the outer wall surface of the second slide block 24 is fixedly connected with the scale 15, the outer wall surface of the second sliding rod 27 is provided with a clamping groove 28, the inner wall surface of the clamping groove 28 is connected with a third sliding block 29 in a sliding mode, and the outer wall surface of the third sliding block 29 is connected with the second sliding block 24 in a sliding mode.
When the utility model is used, the device is pushed to a construction site along the bearing wheel 11 by pushing the device, the movement of the bearing wheel 11 is limited by the limiting block 25, the device is convenient to be fixed, the gear 8 is driven to slide in the gear groove 4 in the connecting sleeve 3 by starting the first motor 12, the sliding plate 5 is convenient to slide and push out along the first sliding rod 10, the connecting sleeve 3 is convenient to be pushed to move along the whole length of the measuring device, the connecting sleeve 3 is convenient to be lifted by starting the electric push rod 2, the whole height of the measuring device is convenient to be adjusted, the measuring device is convenient to be adjusted according to construction measuring environment, the rope 19 is driven to slide outside the second rotating shaft 20 by the acting force of the lead block 26, the laser lamp 23 is started for comparison, the parallelism of the light rays emitted by the rope 19 and the laser lamp 23 is measured by the sliding surface, the verticality is convenient to be detected, the second rotating shaft 20 is driven to rotate by starting the second motor 13, and second pivot 20 drives rope 19 and slides, is convenient for will measure the back and contract rope 19, avoids rope 19 overlength 19 to tie a knot when the manual work is collected and influences the secondary and use.
The application has the advantages that:
1. the gear is driven to slide in the gear groove in the connecting sleeve by starting the first motor, so that the sliding plate can be conveniently pushed out along the sliding of the first sliding rod, the connecting sleeve can be conveniently pushed to move along the whole length of the measuring device, the connecting sleeve can be conveniently pushed to rise by starting the electric push rod, the whole height of the measuring device can be conveniently adjusted, and the measuring device can be conveniently adjusted according to the requirement of a construction measuring environment;
2. drive the second pivot through starting the second motor and rotate, and the second pivot drives the rope and slides, is convenient for will measure to accomplish the back with the rope shrink, avoids the rope overlength when the manual work is collected the rope and ties a knot and influence the secondary and use, and measures the depth of parallelism of the light that rope and laser lamp jetted out through sliding surface, is convenient for detect the straightness that hangs down.
The motor adopts GH28-750W-15S model and related matched power supply and circuit.
The electric push rod adopts the model of DSDG25 and the related matched power supply and circuit.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (7)

1. The utility model provides a house construction is with straightness measuring device that hangs down which characterized in that: the device comprises a base (1), a collecting box (17), a laser lamp (23), a supporting plate (6), a first connecting plate (14), a second connecting plate (18), an adjusting mechanism and a measuring mechanism;
the adjusting mechanism comprises an electric push rod (2), a connecting sleeve (3) and a sliding plate (5), the surface of the outer wall of the top end of the base (1) is fixedly connected with the electric push rod (2), the surface of the outer wall of the top end of the electric push rod (2) is fixedly connected with the connecting sleeve (3), and the surface of the inner wall of the connecting sleeve (3) is connected with the sliding plate (5) in a sliding manner;
the measuring mechanism comprises a second connecting plate (18), a rope (19) and a lead block (26), the outer wall surface of one end of the sliding plate (5) is fixedly connected with the supporting plate (6), the top end of the outer wall surface of the supporting plate (6) is fixedly connected with the collecting box (17), the inner wall surface of the collecting box (17) is rotatably connected with the second rotating shaft (20), the outer wall surface of the second rotating shaft (20) is slidably connected with the rope (19), one end of the rope (19) is fixedly connected with the lead block (26), and the outer wall surface of the collecting box (17) is fixedly connected with the second connecting plate (18).
2. The perpendicularity measuring device for house construction according to claim 1, characterized in that: the base (1) bottom outer wall surface fixed connection bearing wheel (11), bearing wheel (11) outer wall surface sliding connection limit piece (25).
3. The perpendicularity measuring device for house construction according to claim 1, characterized in that: adapter sleeve (3) inner wall surface fixed connection gear groove (4), gear groove (4) outer wall surface sliding connection gear (8), the first pivot (7) of gear (8) middle part fixed connection, first pivot (7) outer wall surface rotates connects slide (5).
4. The perpendicularity measuring device for house construction according to claim 1, characterized in that: slide (5) top fixed connection first slider (9), first slider (9) middle part is rotated and is connected first slide bar (10), first slide bar (10) outer wall fixed surface connects connecting block (16), connecting block (16) outer wall fixed surface connects adapter sleeve (3).
5. The perpendicularity measuring device for house construction according to claim 1, characterized in that: the connecting sleeve (3) outer wall surface is seted up spout (31), spout (31) inner wall surface sliding connection first motor (12) bottom, first motor (12) output end fixed connection first pivot (7).
6. The perpendicularity measuring device for house construction according to claim 1, characterized in that: collecting box (17) outer wall fixed surface connects second motor (13), second motor (13) output end fixed connection second pivot (20), second connecting plate (18) bottom outer wall fixed surface connects third connecting plate (21), third connecting plate (21) outer wall surface rotates and connects third pivot (30), third pivot (30) outer wall fixed surface connects pulley (22), pulley (22) outer wall surface sliding connection rope (19), collecting box (17) outer wall fixed surface connects laser lamp (23).
7. The perpendicularity measuring device for house construction according to claim 1, characterized in that: the collecting box is characterized in that the outer wall surface of the collecting box (17) is fixedly connected with a first connecting plate (14), the outer wall surface of the bottom end of the first connecting plate (14) is fixedly connected with a second slide bar (27), the outer wall surface of the second slide bar (27) is slidably connected with a second slide block (24), the outer wall surface of the second slide block (24) is fixedly connected with a scale (15), the outer wall surface of the second slide bar (27) is provided with a clamping groove (28), the inner wall surface of the clamping groove (28) is slidably connected with a third slide block (29), and the outer wall surface of the third slide block (29) is slidably connected with the second slide block (24).
CN202122250174.1U 2021-09-16 2021-09-16 Verticality measuring device for building construction Active CN216049826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122250174.1U CN216049826U (en) 2021-09-16 2021-09-16 Verticality measuring device for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122250174.1U CN216049826U (en) 2021-09-16 2021-09-16 Verticality measuring device for building construction

Publications (1)

Publication Number Publication Date
CN216049826U true CN216049826U (en) 2022-03-15

Family

ID=80599061

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122250174.1U Active CN216049826U (en) 2021-09-16 2021-09-16 Verticality measuring device for building construction

Country Status (1)

Country Link
CN (1) CN216049826U (en)

Similar Documents

Publication Publication Date Title
CN215810641U (en) Wall surface flatness detection device
CN112146635A (en) Building engineering straightness detection device that hangs down
CN216049826U (en) Verticality measuring device for building construction
CN111043941A (en) Flatness detection equipment for constructional engineering
CN212359156U (en) Cast-in-place ground elevation controller of concrete
CN110978305B (en) Positioning device for equipment installation
CN219889213U (en) Movable tripod leveling bearing platform device
CN116892674A (en) Engineering measuring device with adjustable
CN216815446U (en) Soft soil roadbed settlement detection device
CN213629744U (en) Multifunctional measurement supporting device suitable for engineering survey
CN214924299U (en) Building engineering cost toolbox
CN212271032U (en) Foundation pit monitoring device
CN214156598U (en) Map marking device for mapping geographic information
CN211409080U (en) Height, weight and abdominal circumference measurement integrated device
CN211317291U (en) Surveying equipment for planning
CN220931973U (en) Urban underground pipeline pipe diameter measuring device
CN219757126U (en) Engineering survey and drawing portable dipperstick
CN216049911U (en) Building slope warning equipment for building monitoring
CN215114524U (en) Portable device for foundation settlement detection
CN216552888U (en) Ruler rod for gypsum plastering engineering screeding
CN221034824U (en) Surveying and mapping monitoring instrument support frame
CN216954540U (en) Self-balancing verticality detection device for construction engineering site surveying and mapping
CN211452205U (en) Portable building engineering detection device
CN212389979U (en) Supplementary mapping device of mapping engineering
CN220542054U (en) Portable engineering is with slope angle measuring tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant