CN220288511U - Multifunctional detection ruler for construction engineering detection - Google Patents

Multifunctional detection ruler for construction engineering detection Download PDF

Info

Publication number
CN220288511U
CN220288511U CN202321616174.1U CN202321616174U CN220288511U CN 220288511 U CN220288511 U CN 220288511U CN 202321616174 U CN202321616174 U CN 202321616174U CN 220288511 U CN220288511 U CN 220288511U
Authority
CN
China
Prior art keywords
ruler
fluted disc
groove
auxiliary
main
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
CN202321616174.1U
Other languages
Chinese (zh)
Inventor
崔喜莲
智中强
崔文峰
张铃铃
毕青林
张军权
谭炳鑫
张乐乐
崔文慧
崔俊磊
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.)
Zhoukou Zhengyi Construction Engineering Testing Consulting Co ltd
Original Assignee
Zhoukou Zhengyi Construction Engineering Testing Consulting 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 Zhoukou Zhengyi Construction Engineering Testing Consulting Co ltd filed Critical Zhoukou Zhengyi Construction Engineering Testing Consulting Co ltd
Priority to CN202321616174.1U priority Critical patent/CN220288511U/en
Application granted granted Critical
Publication of CN220288511U publication Critical patent/CN220288511U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model discloses a multifunctional detection ruler for detecting constructional engineering, which comprises a main ruler, a flatness measuring mechanism and an angle adjusting mechanism, wherein the flatness measuring mechanism is arranged on the main ruler; the groove at the left end of the main ruler is rotationally connected with an auxiliary ruler through a pin shaft, a round hole on the front side surface of the right end of the main ruler is rotationally connected with a rocker, the rear end of the rocker is rotationally connected with the rear inner wall of the rectangular groove at the right end of the main ruler, a tape is wound in the middle of the rocker, and the tape is in sliding connection with a rectangular opening corresponding to the right end of the main ruler; flatness measuring mechanism: the auxiliary ruler is arranged in the groove at the lower end of the auxiliary ruler; an angle adjusting mechanism: the angle adjusting mechanism is arranged at the left end of the main ruler, and is matched with the auxiliary ruler; this building engineering detects with multi-functional detection chi, can more audio-visual to the building engineering through roughness measuring mechanism and angle adjustment mechanism mutually support and detect, the measurement value shows more audio-visual through the reading, and it is swift accurate to measure, and the level pipe is convenient for change the installation, is convenient for measure length and height through the tape measure.

Description

Multifunctional detection ruler for construction engineering detection
Technical Field
The utility model relates to the technical field of constructional engineering equipment, in particular to a multifunctional detection ruler for constructional engineering detection.
Background
The multifunctional test ruler generally refers to a multifunctional vertical test ruler. The vertical detection ruler is also called a guiding ruler, and is a detection tool with highest frequency in home decoration monitoring, and the vertical detection ruler is used for detecting the verticality, the levelness and the flatness of a building object plane. And detecting whether the wall surface and the ceramic tile are flat and vertical. And detecting whether the floor joist is horizontal or not. When traditional multifunctional detection ruler detects the angle, there is the error and is inconvenient for the reading, and the level pipe is changed inconveniently, and scale length is short, is inconvenient for the measurement distance, and for this reason, we propose a building engineering and detects with multifunctional detection ruler.
Disclosure of Invention
The multifunctional detection ruler for the construction engineering detection is capable of detecting the construction engineering more intuitively through the mutual matching of the flatness measurement mechanism and the angle adjustment mechanism, the measured value is displayed more intuitively through reading, the leveling tube is convenient to replace and install, the length and the height are convenient to measure through the tape, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional detection ruler for construction engineering detection comprises a main ruler, a flatness measuring mechanism and an angle adjusting mechanism;
the groove at the left end of the main ruler is rotationally connected with an auxiliary ruler through a pin shaft, a round hole on the front side surface of the right end of the main ruler is rotationally connected with a rocker, the rear end of the rocker is rotationally connected with the rear inner wall of the rectangular groove at the right end of the main ruler, a tape is wound in the middle of the rocker, and the tape is in sliding connection with a rectangular opening corresponding to the right end of the main ruler;
flatness measuring mechanism: the auxiliary ruler is arranged in the groove at the lower end of the auxiliary ruler;
an angle adjusting mechanism: the angle adjusting mechanism is arranged at the left end of the main ruler, and is matched with the auxiliary ruler;
wherein: still include the PLC controller, the PLC controller sets up in the leading flank of main scale, and through roughness measuring mechanism and angle adjustment mechanism mutually support can more audio-visual detection to the building engineering, and the measurement numerical value shows more audio-visual through the reading, measures swiftly accurately, and the level pipe is convenient for change the installation, is convenient for measure length and height through the tape measure.
Further, roughness measuring mechanism includes arc fixture block, level pipe and rubber cushion, the arc fixture block sets up on the end inner wall of the recess of vice chi leading flank, and the rubber cushion symmetry sets up on the end inner wall of the recess of vice chi leading flank, and the level pipe joint is in the cambered surface of arc fixture block, and the front end of rubber cushion all contacts with the cambered surface of level pipe, is convenient for change the installation and changes the level pipe to and maintain the stability of level pipe and be convenient for detect.
Further, flatness measuring mechanism still includes glass screen, glass screen joint is in the recess internal edge department of vice chi leading flank, and glass screen corresponds the setting with the recess in vice chi leading flank, the protection of being convenient for internals.
Further, angle adjustment mechanism includes pressing post, swivel becket, fixed plate, back fluted disc and preceding fluted disc, the fixed plate sets up on the diapire of main scale left end recess, and preceding fluted disc passes through the bearing rotation to be connected in the round hole that corresponds on the fixed plate, fixedly connected with swivel becket on the leading flank of preceding fluted disc, the upper end and the lower extreme fixed connection of auxiliary scale of swivel becket, press post sliding connection in the round hole at swivel becket and preceding fluted disc center, press the front end sliding connection of post in the round hole of main scale left end, press post's rear end fixedly connected with back fluted disc, back fluted disc and preceding fluted disc cooperation installation are convenient for adjust the contained angle of main scale and auxiliary scale.
Further, angle adjustment mechanism still includes display screen and angle sensor, the display screen sets up in the leading flank of main scale, and angle sensor sets up in the mounting groove of main scale rear end, and angle sensor's output shaft and the round pin axle fixed connection of auxiliary scale rear end, round pin axle and swivel becket coaxial line, and angle sensor's output electricity is connected the input of PLC controller, and the input of display screen is connected to the output electricity of PLC controller, is convenient for show the numerical value of measurement.
Further, the angle adjusting mechanism further comprises a sleeve and a spring, the sleeve is arranged on the rear side face of the fixed plate, the rear fluted disc is connected in a corresponding sliding groove on the inner wall of the sleeve in a sliding mode through convex blocks which are symmetrically arranged on the outer cambered surface of the rear fluted disc, the front end of the spring is fixedly connected with the rear side face of the rear fluted disc, the rear end of the spring is fixedly connected with the rear wall of the sleeve, and the spring is convenient to be firmly deformed and prevented from rotating.
Further, the portable ruler further comprises portable holes, wherein the portable holes are symmetrically arranged in the middle of the main ruler, and the portable ruler is convenient to carry and operate.
Compared with the prior art, the utility model has the beneficial effects that: this building engineering detects with multi-functional detection chi has following benefit:
1. the lower side of the main scale is attached to one side of an included angle to be measured, the pressing column is pressed, the rear fluted disc fixedly connected with the rear end of the pressing column moves along with the movement, the rear fluted disc is disengaged from the front fluted disc, the auxiliary scale is pulled out from the groove of the main scale, the outer side of the auxiliary scale moves to the other side of the included angle to be measured until the auxiliary scale is completely attached, the rotating ring fixedly connected with the lower end of the auxiliary scale in the moving process rotates along with the rotation, the angle sensor transmits a signal of the rotating angle to the PLC in the rotating process of the pin shaft, the rotating angle value is the degree of the included angle to be measured through the signal processing of the PLC, the specific value is displayed on the display screen, and the measured value is more visual through reading display and is measured quickly and accurately.
2. The plane that awaits measuring is hugged closely to the left surface with the auxiliary scale, observe the level pipe of joint in the arc fixture block cambered surface, the rubber cushion at level pipe both ends makes level pipe and auxiliary scale parallel, therefore bubble pearl in the level pipe can corresponding removal when following auxiliary scale measurement roughness, bubble pearl moving direction in the observation level pipe judges the face that awaits measuring and levels the condition, contained angle and roughness measurement finish the back, close the auxiliary scale in the recess of main scale, rotate the rocker, winding tape measure slides in the rectangle mouth that corresponds from the main scale right-hand member on the rocker, carry out length measurement to the department that awaits measuring, rotate the rocker after the measurement finishes, take in the rectangle recess of main scale right-hand member with the tape measure.
3. The leveling pipe is clamped in the cambered surface of the arc-shaped clamping block, the front end of the rubber cushion block is contacted with the cambered surface of the leveling pipe, and then the glass screen is clamped at the inner edge of the groove on the front side surface of the auxiliary ruler, so that parts are convenient to replace.
Drawings
FIG. 1 is a schematic side view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the present utility model A;
FIG. 3 is a schematic rear view of the rear toothed disc of the present utility model;
fig. 4 is a schematic top view of the present utility model.
In the figure: the device comprises a main scale 1, a rocker 2, a measuring tape 3, a portable hole 4, a secondary scale 5, a flatness measuring mechanism 6, an arc-shaped clamping block 61, a level tube 62, a rubber cushion block 63, a glass screen 64, an angle adjusting mechanism 7, a pressing column 71, a display screen 72, an angle sensor 73, a rotating ring 74, a fixing plate 75, a rear fluted disc 76, a sleeve 77, a spring 78 and a PLC 8.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: the multifunctional detection ruler for the construction engineering detection comprises a main ruler 1, a flatness measuring mechanism 6 and an angle adjusting mechanism 7;
main scale 1: the groove at the left end of the main ruler is rotationally connected with an auxiliary ruler 5 through a pin shaft, a round hole on the front side surface of the right end of the main ruler 1 is rotationally connected with a rocker 2, the rear end of the rocker 2 is rotationally connected with the rear inner wall of a rectangular groove at the right end of the main ruler 1, a tape measure 3 is wound in the middle of the rocker 2, and the tape measure 3 is in sliding connection with a rectangular opening corresponding to the right end of the main ruler 1; and rotating the rocker 2, sliding out the tape 3 wound on the rocker 2 from the rectangular opening corresponding to the right end of the main scale 1, measuring the length of the part to be measured, rotating the rocker 2 after the measurement is finished, and taking in the tape 3 into the rectangular groove at the right end of the main scale 1.
Flatness measuring mechanism 6: the flatness measuring mechanism 6 comprises an arc-shaped clamping block 61, a leveling pipe 62 and a rubber cushion block 63, wherein the arc-shaped clamping block 61 is arranged on the bottom inner wall of a groove of the front side surface of the auxiliary ruler 5, the rubber cushion block 63 is symmetrically arranged on the bottom inner wall of the groove of the front side surface of the auxiliary ruler 5, the leveling pipe 62 is clamped in the cambered surface of the arc-shaped clamping block 61, the front end of the rubber cushion block 63 is contacted with the cambered surface of the leveling pipe 62, the flatness measuring mechanism 6 further comprises a glass screen 64, the glass screen 64 is clamped at the inner edge of the groove of the front side surface of the auxiliary ruler 5, the glass screen 64 is correspondingly arranged with the groove of the front side surface of the auxiliary ruler 5, the left side surface of the auxiliary ruler 5 is tightly attached to a plane to be measured, the leveling pipe 62 clamped in the cambered surface of the arc-shaped clamping block 61 is observed, the rubber cushion block 63 at two ends of the leveling pipe 62 enables the leveling pipe 62 to be parallel to the auxiliary ruler 5, so that bubble beads in the leveling pipe 62 move correspondingly when the auxiliary ruler 5 is measured in flatness, and the bubble beads in the leveling pipe 62 move correspondingly, and the situation to be measured are observed.
Angle adjusting mechanism 7: the angle adjusting mechanism 7 is arranged at the left end of the main scale 1, the angle adjusting mechanism 7 is matched with the auxiliary scale 5, the angle adjusting mechanism 7 comprises a pressing column 71, a rotating ring 74, a fixing plate 75, a rear fluted disc 76 and a front fluted disc 79, the fixing plate 75 is arranged on the bottom wall of a groove at the left end of the main scale 1, the front fluted disc 79 is rotationally connected in a corresponding round hole on the fixing plate 75 through a bearing, the rotating ring 74 is fixedly connected on the front side surface of the front fluted disc 79, the upper end of the rotating ring 74 is fixedly connected with the lower end of the auxiliary scale 5, the pressing column 71 is slidingly connected in the round hole at the center of the rotating ring 74 and the front fluted disc 79, the front end of the pressing column 71 is slidingly connected in the round hole at the left end of the main scale 1, the rear end of the pressing column 71 is fixedly connected with the rear fluted disc 76, the rear fluted disc 76 is matched with the front fluted disc 79 for installation, the angle adjusting mechanism 7 further comprises a display screen 72 and an angle sensor 73, the display screen 72 is arranged on the front side surface of the main scale 1, the angle sensor 73 is arranged in a mounting groove at the rear end of the main scale 1, an output shaft of the angle sensor 73 is fixedly connected with a pin shaft at the rear end of the auxiliary scale 5, the pin shaft is coaxial with the rotating ring 74, the output end of the angle sensor 73 is electrically connected with the input end of the PLC 8, the output end of the PLC 8 is electrically connected with the input end of the display screen 72, the angle adjusting mechanism 7 further comprises a sleeve 77 and a spring 78, the sleeve 77 is arranged on the rear side surface of the fixed plate 75, the rear fluted disc 76 is slidingly connected in a corresponding sliding groove on the inner wall of the sleeve 77 through a convex block symmetrically arranged on the outer cambered surface of the sleeve, the front end of the spring 78 is fixedly connected with the rear side surface of the rear fluted disc 76, the rear end of the spring 78 is fixedly connected with the rear wall of the sleeve 77, the lower side surface of the main scale 1 is attached to one side of an included angle to be measured, the pressing post 71 is pressed, the rear fluted disc 76 fixedly connected with the rear end of the pressing post 71 slides back and forth in the sleeve 77 through the convex block on the side surface, the rear fluted disc 76 and the front fluted disc 79 are disengaged, the auxiliary ruler 5 is pulled out from the groove of the main ruler 1, the outer side face of the auxiliary ruler 5 moves to the other side of the included angle to be measured until the auxiliary ruler is completely attached, the rotating ring 74 fixedly connected with the lower end of the auxiliary ruler 5 rotates along with the moving process, the angle sensor 73 transmits a signal of the rotating angle to the PLC 8 in the rotating process of the pin shaft, the rotating angle value is the degree of the included angle to be measured through the signal processing of the PLC 8, and the specific value is displayed on the display screen 72.
Wherein: the device also comprises a PLC controller 8, wherein the PLC controller 8 is arranged on the front side surface of the main scale 1, so that the operation of the display screen 72 and the angle sensor 73 is controlled by converting signals.
Wherein: still include portable hole 4, portable hole 4 symmetry sets up in the middle part of main scale 1, conveniently carries and measurement operation.
The utility model provides a multifunctional detection ruler for detecting constructional engineering, which has the following working principle: the lower side of the main scale 1 is attached to one side of an included angle to be measured, the pressing column 71 is pressed down, the rear fluted disc 76 fixedly connected with the rear end of the pressing column 71 slides back and forth in the sleeve 77 through the convex blocks on the side surface of the pressing column, the rear fluted disc 76 and the front fluted disc 79 are separated from each other, the auxiliary scale 5 is pulled out of the groove of the main scale 1, the outer side surface of the auxiliary scale 5 moves to the other side of the included angle to be measured until the auxiliary scale is completely attached, the rotating ring 74 fixedly connected with the lower end of the auxiliary scale 5 follows rotation in the moving process, the angle sensor 73 transmits a signal of the rotating angle to the PLC controller 8 in the rotating process of the pin shaft, a specific value is displayed on the display screen 72, the left side surface of the auxiliary scale 5 is attached to the plane to be measured, the arc-shaped clamp block 61 is observed, the rubber cushion block 63 at two ends of the auxiliary scale 62 enables the auxiliary scale 62 to be parallel, therefore bubble beads in the auxiliary scale 62 move correspondingly when the auxiliary scale 5 is in a measuring flatness, the rotating process of the auxiliary scale 5 is carried out, the rotating angle sensor 73 is in the corresponding to the groove 2, the measuring plane of the main scale 2 is wound on the groove 1, and the measuring angle is measured, the length of the main scale 2 is measured after the measuring angle is completely, and the measuring angle bead 2 is wound on the right side of the main scale 2, and the measuring angle is wound from the right side of the groove 1.
It should be noted that the display screen 72 disclosed in the above embodiment may be JL-360S, the angle sensor 73 may be VTA83K20, the PLC controller 8 may be OHR-E100M-01, and the PLC controller 8 controls the display screen 72 and the angle sensor 73 by methods commonly used in the art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a building engineering detects with multi-functional detection chi which characterized in that: comprises a main scale (1), a flatness measuring mechanism (6) and an angle adjusting mechanism (7);
main scale (1): the groove at the left end of the main ruler is rotationally connected with an auxiliary ruler (5) through a pin shaft, a rocker (2) is rotationally connected in a round hole on the front side surface of the right end of the main ruler (1), the rear end of the rocker (2) is rotationally connected with the rear inner wall of the rectangular groove at the right end of the main ruler (1), a tape measure (3) is wound in the middle of the rocker (2), and the tape measure (3) is in sliding connection with the rectangular opening corresponding to the right end of the main ruler (1);
flatness measuring mechanism (6): the auxiliary ruler is arranged in a groove at the lower end of the auxiliary ruler (5);
angle adjusting mechanism (7): the angle adjusting mechanism (7) is arranged at the left end of the main ruler (1) and is matched with the auxiliary ruler (5);
wherein: the multifunctional ruler also comprises a PLC (programmable logic controller) 8, wherein the PLC 8 is arranged on the front side surface of the main ruler 1.
2. The multifunctional measuring tape for construction engineering detection according to claim 1, wherein: the flatness measurement mechanism (6) comprises an arc-shaped clamping block (61), a level pipe (62) and a rubber cushion block (63), wherein the arc-shaped clamping block (61) is arranged on the bottom inner wall of a groove of the front side surface of the auxiliary ruler (5), the rubber cushion block (63) is symmetrically arranged on the bottom inner wall of the groove of the front side surface of the auxiliary ruler (5), the level pipe (62) is clamped in the cambered surface of the arc-shaped clamping block (61), and the front end of the rubber cushion block (63) is in contact with the cambered surface of the level pipe (62).
3. The multifunctional measuring tape for construction engineering detection according to claim 2, wherein: the flatness measuring mechanism (6) further comprises a glass screen (64), the glass screen (64) is clamped at the inner edge of the groove on the front side face of the auxiliary ruler (5), and the glass screen (64) is correspondingly arranged with the groove on the front side face of the auxiliary ruler (5).
4. The multifunctional measuring tape for construction engineering detection according to claim 1, wherein: the angle adjusting mechanism (7) comprises a pressing column (71), a rotating ring (74), a fixing plate (75), a rear fluted disc (76) and a front fluted disc (79), wherein the fixing plate (75) is arranged on the bottom wall of a groove at the left end of the main scale (1), the front fluted disc (79) is rotationally connected in a corresponding round hole on the fixing plate (75) through a bearing, the rotating ring (74) is fixedly connected to the front side surface of the front fluted disc (79), the upper end of the rotating ring (74) is fixedly connected with the lower end of the auxiliary scale (5), the pressing column (71) is slidably connected in the round hole at the centers of the rotating ring (74) and the front fluted disc (79), the front end of the pressing column (71) is slidably connected in the round hole at the left end of the main scale (1), and the rear fluted disc (76) is fixedly connected with the rear fluted disc (76) and the front fluted disc (79).
5. The multifunctional measuring tape for construction engineering detection according to claim 4, wherein: the angle adjusting mechanism (7) further comprises a display screen (72) and an angle sensor (73), the display screen (72) is arranged on the front side face of the main scale (1), the angle sensor (73) is arranged in a mounting groove at the rear end of the main scale (1), an output shaft of the angle sensor (73) is fixedly connected with a pin shaft at the rear end of the auxiliary scale (5), the pin shaft is coaxial with the rotating ring (74), the output end of the angle sensor (73) is electrically connected with the input end of the PLC (8), and the output end of the PLC (8) is electrically connected with the input end of the display screen (72).
6. The multifunctional measuring tape for construction engineering detection according to claim 4, wherein: the angle adjusting mechanism (7) further comprises a sleeve (77) and a spring (78), the sleeve (77) is arranged on the rear side face of the fixed plate (75), the rear fluted disc (76) is connected in a corresponding sliding groove on the inner wall of the sleeve (77) in a sliding mode through protruding blocks symmetrically arranged on the outer cambered surface of the rear fluted disc, the front end of the spring (78) is fixedly connected with the rear side face of the rear fluted disc (76), and the rear end of the spring (78) is fixedly connected with the rear wall of the sleeve (77).
7. The multifunctional measuring tape for construction engineering detection according to claim 1, wherein: the portable ruler also comprises a portable hole (4), wherein the portable hole (4) is symmetrically arranged in the middle of the main ruler (1).
CN202321616174.1U 2023-06-25 2023-06-25 Multifunctional detection ruler for construction engineering detection Active CN220288511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321616174.1U CN220288511U (en) 2023-06-25 2023-06-25 Multifunctional detection ruler for construction engineering detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321616174.1U CN220288511U (en) 2023-06-25 2023-06-25 Multifunctional detection ruler for construction engineering detection

Publications (1)

Publication Number Publication Date
CN220288511U true CN220288511U (en) 2024-01-02

Family

ID=89331396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321616174.1U Active CN220288511U (en) 2023-06-25 2023-06-25 Multifunctional detection ruler for construction engineering detection

Country Status (1)

Country Link
CN (1) CN220288511U (en)

Similar Documents

Publication Publication Date Title
CN208140011U (en) A kind of building flatness detecting device
CN108827193B (en) Detection device for accurately detecting flatness of template
CN220288511U (en) Multifunctional detection ruler for construction engineering detection
CN101975539A (en) Taper hole detector
CN204730791U (en) A kind of pick-up unit for cylinder class wall thickness
CN211552679U (en) Special measuring tool for diameter of outer expanding inner cavity of deep hole inner ring groove
CN110646290B (en) Building curtain wall stone panel firmness quantitative detector
CN214010319U (en) Perpendicular detection device that civil engineering quality control used
CN214470799U (en) Manage and use slope quick detection device
CN212482444U (en) Digital display angle ruler
CN212007186U (en) Engineering management project is tested and is received with wall body levelness measuring mechanism
CN113865521A (en) Device for detecting flatness of inner side of template and operation method
CN210922481U (en) Detection ruler for building engineering project management
CN212254026U (en) Detection apparatus for refill straightness accuracy
CN210321537U (en) Data comparison device for quantitative detection of abrasion of insulation surface of rotor winding
CN210664200U (en) Micrometer horizontal dimension measuring instrument
CN220136334U (en) Pointer instrument guiding rule capable of reading at multiple angles
CN219915623U (en) Mortar vertical expansion rate measuring device
CN206002033U (en) Stamping machine measurement of paralleism instrument
CN219474602U (en) Flatness detection equipment for constructional engineering
CN212620408U (en) Portable sample square device of many specifications
CN213363649U (en) Telescope shell detects frock
CN213812056U (en) Turnout reduction value measuring device
CN211576202U (en) Building engineering straightness measuring device that hangs down
CN214040059U (en) Dipperstick for civil engineering

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant