CN209432123U - A kind of architectural design measuring device being convenient for carrying - Google Patents

A kind of architectural design measuring device being convenient for carrying Download PDF

Info

Publication number
CN209432123U
CN209432123U CN201822187245.6U CN201822187245U CN209432123U CN 209432123 U CN209432123 U CN 209432123U CN 201822187245 U CN201822187245 U CN 201822187245U CN 209432123 U CN209432123 U CN 209432123U
Authority
CN
China
Prior art keywords
cylinder barrel
top surface
sides
wall
groove
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.)
Expired - Fee Related
Application number
CN201822187245.6U
Other languages
Chinese (zh)
Inventor
吴伟东
吴志强
白大庆
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.)
Anhui University of Science and Technology
Original Assignee
Anhui University of Science and Technology
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 Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN201822187245.6U priority Critical patent/CN209432123U/en
Application granted granted Critical
Publication of CN209432123U publication Critical patent/CN209432123U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of architectural design measuring device being convenient for carrying, including pedestal, the top surface of pedestal opens up cylinder groove, cylinder barrel is equipped in cylinder groove, cylinder barrel it is opening down, the inner circumferential of cylinder barrel inner wall opens up internal screw thread, the uniaxial motor for capableing of positive and negative rotation is fixedly mounted in cylinder groove inner wall bottom surface, circular slab is equipped in cylinder barrel, the periphery of circular slab opens up external screw thread, it is threadedly engaged between circular slab and cylinder barrel, the top surface of uniaxial motor output shaft is fixedly connected with the bottom surface of circular slab, cylindrical link block is equipped in cylinder barrel, link block is located at the surface of circular slab, it is connected between link block bottom surface and round plate top surface by attachment device.The globality of the utility model measuring device is strong, and outside, in the process of work without carrying out splicing transformation to the structure of device, saves staff's time of measuring, while easy to carry, can adapt to the measurement work of most architectural designs without extra components.

Description

A kind of architectural design measuring device being convenient for carrying
Technical field
The utility model belongs to architectural design measuring device field field, and specifically a kind of building being convenient for carrying is set Measuring device.
Background technique
Nowadays, construction account technology constantly improve, and architectural design measuring device type also becomes diversification, architectural design Measuring device is briefly exactly for instruments and devices such as data sampling and processing, the outputs of architectural design manufacture;Architectural design is surveyed Device is measured in engineering construction in terms of the work such as planning and designing, construction and management stage, there is wide variety, multiple functional The features such as beautiful with structural style, existing building design measuring device and are very helpful on solving architectural problems, accurately Measuring technique can like clockwork detected the height of building, width, concrete quality etc..Existing survey It is larger to measure device majority volume, portable measuring device needs to be spliced and combined in measure field more, and complicated operation, The globality of measuring device is poor, and splice component if omit if can not novel measurement work, delay measurement work into Exhibition, therefore now design a kind of new measurement for architectural design that globality portable and easy to operate is strong.
Utility model content
The utility model provides a kind of architectural design measuring device being convenient for carrying, to solve in the prior art lack It falls into.
The utility model is achieved by the following technical programs:
A kind of architectural design measuring device being convenient for carrying, including pedestal, the top surface of pedestal open up cylinder groove, in cylinder groove Equipped with cylinder barrel, cylinder barrel it is opening down, the inner circumferential of cylinder barrel inner wall opens up internal screw thread, and cylinder groove inner wall bottom surface is fixedly mounted It is capable of the uniaxial motor of positive and negative rotation, is equipped with circular slab in cylinder barrel, the periphery of circular slab opens up external screw thread, circular slab and cylinder barrel Between be threadedly engaged, the top surface of uniaxial motor output shaft is fixedly connected with the bottom surface of circular slab, and cylindrical company is equipped in cylinder barrel Block is connect, link block is located at the surface of circular slab, connects between link block bottom surface and round plate top surface by attachment device, connection Rangefinder is fixedly mounted in the top surface of block, is connected by the first limiting device between the top surface and link block two sides of cylinder barrel inner wall It connects, the top surface of cylinder barrel inner wall opens up circular through groove, and the two sides of through groove top surface are respectively equipped with baffle, and the outside of baffle leads to respectively The two sides that hinged seat is fixedly connected with cylinder barrel top surface are crossed, the bottom surface of baffle can be in close contact with the top surface of cylinder barrel respectively matches It closes;The periphery of cylinder barrel opens up annular groove, is equipped with annular slab in annular groove, the periphery of annular slab is fixedly connected with cylinder groove inner wall Inner circumferential, the horizontal position of annular plate top surface and the horizontal position of base top surface are concordant, and the top and bottom of annular slab can be distinguished Be engaged with the top and bottom of corresponding annular groove inner wall, the two sides of annular slab bottom surface and annular groove inner wall bottom surface both side it Between by the second limiting device connect;The bottom end of inverted U-shaped handle vertical bar is fixedly mounted in the two sides of base top surface respectively, Button, circuit connection between button and uniaxial motor is fixedly mounted in the side of base top surface.
A kind of architectural design measuring device being convenient for carrying as described above, the attachment device includes T-block, connection The bottom surface of block opens up the T-slot of annular, and T-block is respectively positioned in T-slot, and the bottom end of T-block is respectively fixedly connected with corresponding circle The two sides of plate top surface.
A kind of architectural design measuring device being convenient for carrying as described above, first limiting device includes l-shaped rod, The upper end of l-shaped rod vertical bar is respectively fixedly connected with the two sides of cylinder barrel inner wall top surface, and the two sides of link block open up vertical slot respectively, The inner end of l-shaped rod horizon bar is inserted into respectively in corresponding vertical slot, the top and bottom of l-shaped rod horizon bar can respectively with it is right The top and bottom for the vertical bar inner wall answered are engaged.
A kind of architectural design measuring device being convenient for carrying as described above, second limiting device include vertical Bar, the two sides of annular groove inner wall bottom surface open up slot respectively, and the lower end of vertical bar is located at always in corresponding slot, vertically The top of bar is respectively fixedly connected with the two sides of annular slab bottom surface.
A kind of architectural design measuring device being convenient for carrying as described above, the periphery set of the U-shaped handle longitudinal rod Fill soft Anti-slip cover.
A kind of architectural design measuring device being convenient for carrying as described above, the two sides of the base end face are fixed respectively Soft resilient cushion is installed.
The utility model has the advantages that: when using the utility model measuring device: staff is by U-shaped handle by the utility model Measuring device is moved to specified measurement position, and then pedestal is placed on placed side, and staff presses lower button, button at this time The work of circuit control single shaft motor, the output shaft rotation drive circular slab synchronous rotation of uniaxial motor, circular slab and cylinder barrel Inner thread cooperation, the second limiting device can guarantee that cylinder barrel is vertically movable in cylinder groove, and annular slab is in annular groove at this time Interior movement, the cooperation of annular slab and annular groove can to cylinder barrel in cylinder groove it is vertically movable at a distance from be defined, to protect Cooperation is engaged in the periphery of card circular slab with the inner circumferential of cylinder barrel inner wall always, guarantees the steady of the utility model measuring device inner components It is qualitative, while annular slab and annular groove cooperate, the dust that can be avoided in measurement environment enters the utility model measurement by cylinder groove The inside of device, guarantee the utility model measuring device inner components working environment cleaning, circular slab rotation drive cylinder barrel to While movement in cylinder groove, link block two sides are cooperated by the first limiting device and cylinder barrel, link block remain stationary it is motionless, Link block keeps connection cooperation by attachment device and circular slab, and through groove is moved to connection Block direction, the top surface of rangefinder and gear The bottom surface of plate is engaged, and dam forces flip up under the cooperation of hinged seat, the bottom surface and annular groove inner wall bottom of annular slab While face contact cooperates, rangefinder is moved to cylinder barrel top face by through groove, and uniaxial motor is logical to stop operating, at this time work Rangefinder, which is able to use, as personnel measures work;Staff measures after work carries out, button press again, button Circuit control single shaft motor rotates backward, and cylinder barrel cooperates to reset upwards in cylinder groove by circular slab and cylinder barrel inner wall to be transported Dynamic, through groove moves upwards, and link block and measuring instrument are reset in cylinder barrel, and baffle is resetted under the action of hinged seat to varus Folding, through groove is covered, and the top surface of annular slab and the top surface of annular groove inner wall are engaged, and the storage of measuring instrument can be completed, and is grasped Make that process is simple, and the globality of the utility model measuring device is strong, outside is without extra components, in the process of work without to dress The structure set carries out splicing transformation, saves staff's time of measuring, while easy to carry, can adapt to most architectural designs Measure work.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model;Fig. 2 is the A direction view of Fig. 1;Fig. 3 is I partial enlarged view of Fig. 1.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
A kind of architectural design measuring device being convenient for carrying, as shown, including pedestal 1, the top surface of pedestal 1 opens up cylinder Slot 2, is equipped with cylinder barrel 3 in cylinder groove 2, cylinder barrel 3 it is opening down, the inner circumferential of 3 inner wall of cylinder barrel opens up internal screw thread, cylinder groove The uniaxial motor 4 for capableing of positive and negative rotation is fixedly mounted in 2 inner wall bottom surfaces, is equipped with circular slab 5 in cylinder barrel 3, the periphery of circular slab 5 opens up External screw thread is threadedly engaged between circular slab 5 and cylinder barrel 3, and the top surface of uniaxial 4 output shaft of motor is fixedly connected with the bottom of circular slab 5 Face, cylinder barrel 3 is interior to be equipped with cylindrical link block 6, and link block 6 is located at the surface of circular slab 5,6 bottom surface of link block and circle Connected between 5 top surface of plate by attachment device, the top surface of link block 6 is fixedly mounted rangefinder 7, the top surface of 3 inner wall of cylinder barrel and It is connected by the first limiting device between 6 two sides of link block, the top surface of 3 inner wall of cylinder barrel opens up circular through groove 8, through groove 8 The two sides of top surface are respectively equipped with baffle 9, and the outside of baffle 9 passes through the two sides that hinged seat 10 is fixedly connected with 3 top surface of cylinder barrel respectively, The bottom surface of baffle 9 can respectively with the top surface close contacting fit of cylinder barrel 3;The periphery of cylinder barrel 3 opens up annular groove 11, annular Annular slab 12 is equipped in slot 11, the periphery of annular slab 12 is fixedly connected with the inner circumferential of 2 inner wall of cylinder groove, the level of 12 top surface of annular slab Position is concordant with the horizontal position of 1 top surface of pedestal, and the top and bottom of annular slab 12 can be respectively and in corresponding annular groove 11 The top and bottom of wall are engaged, and pass through second between the 11 inner wall bottom surface both side of two sides and annular groove of 12 bottom surface of annular slab Limiting device connection;The bottom end of inverted 13 vertical bar of U-shaped handle, 1 top surface of pedestal is fixedly mounted in the two sides of 1 top surface of pedestal respectively Side button 14, circuit connection between button 14 and uniaxial motor 4 is fixedly mounted.When using the utility model measuring device: work Make personnel and the utility model measuring device is moved to by specified measurement position by U-shaped handle 13, pedestal 1 is then placed on placed side On, staff presses lower button 14 at this time, and the output shaft of the work of 14 circuit control single shaft motor 4 of button, uniaxial motor 4 rotates band Dynamic circular slab 5 rotates synchronously, and the inner thread of circular slab 5 and cylinder barrel 3 cooperates, and the second limiting device can guarantee cylinder barrel 3 Vertically movable in cylinder groove 2, annular slab 12 moves in annular groove 11 at this time, and annular slab 12 can be right with the cooperation of annular groove 11 The distance vertically movable in cylinder groove 2 of cylinder barrel 3 is defined, to guarantee the periphery of circular slab 5 always and in cylinder barrel 3 The inner circumferential of wall engages cooperation, guarantees the stability of the utility model measuring device inner components, while annular slab 12 and annular groove 11 Cooperation can be avoided the inside that the dust in measurement environment enters the utility model measuring device by cylinder groove 2, guarantee that the utility model is surveyed The cleaning of device inner components working environment is measured, while the rotation of circular slab 5 drives cylinder barrel 3 to move into cylinder groove 2, even It connects 6 two sides of block to cooperate by the first limiting device and cylinder barrel 3, link block 6 remain stationary motionless, and link block 6 passes through connection dress It sets and keeps connection cooperation with circular slab 5, through groove 8 is moved to 6 direction of link block, and the top surface of rangefinder 7 is contacted with the bottom surface of baffle 9 Cooperation, 9 stress of baffle flip up under the cooperation of hinged seat 10, and the bottom surface of annular slab 12 is contacted with 11 inner wall bottom surface of annular groove While cooperation, rangefinder 7 is moved to 3 top face of cylinder barrel by through groove 8, and uniaxial motor 4 is logical to stop operating, and works at this time Personnel are able to use rangefinder 7 and measure work;After staff measures work progress, button press 14, are pressed again 14 circuit control single shaft motor 4 of button rotates backward, and cylinder barrel 3 is cooperated in cylinder groove 2 by circular slab 5 and 3 inner wall of cylinder barrel Upward resetting movement, through groove 8 move upwards, and link block 6 and measuring instrument 7 are reset in cylinder barrel 3, and baffle 9 is in hinged seat 10 Effect is lower to reset fold inward, through groove 8 is covered, the top surface of annular slab 12 and the top surface of 11 inner wall of annular groove are engaged, i.e., The storage of achievable measuring instrument 7, operating process is simple, and the globality of the utility model measuring device is strong, external without extra components, It is not necessarily to carry out the structure of device splicing transformation in the process of work, saves staff's time of measuring, while easy to carry, It can adapt to the measurement work of most architectural designs.
Specifically, in order to avoid link block 6 horizontally rotates, attachment device described in the present embodiment includes T-block 15, even The bottom surface for connecing block 6 opens up the T-slot 16 of annular, and T-block 15 is respectively positioned in T-slot 16, and the bottom end of T-block 15 is respectively fixedly connected with The two sides of corresponding 5 top surface of circular slab.When circular slab 5 rotates, T-block 15 is slided in T-slot 16, T-block 15 and T-type While the cooperation of slot 16 can be attached link block 6 and circular slab 5, it can guarantee to avoid link block 6 when circular slab 5 rotates Horizontally rotate.
Specifically, the first limiting device described in the present embodiment includes l-shaped rod 17, the upper end difference of 17 vertical bar of l-shaped rod Be fixedly connected with the two sides of 3 inner wall top surface of cylinder barrel, the two sides of link block 6 open up vertical slot 18 respectively, 17 horizon bar of l-shaped rod it is interior End is inserted into respectively in corresponding vertical slot 18, the top and bottom of 17 horizon bar of l-shaped rod can respectively with corresponding vertical bar The top and bottom of 18 inner walls are engaged.The inner end of 17 horizon bar of l-shaped rod cooperates sliding, the company of can be avoided in vertical slot 18 It connects block 6 to horizontally rotate with cylinder barrel 3, to improve the stability inside the utility model measuring device.
Further, in order to guarantee that cylinder barrel 3 is vertically movable always in cylinder groove 2, the second limit described in the present embodiment Position device includes vertical bar 19, and the two sides of 11 inner wall bottom surface of annular groove open up slot 20 respectively, and the lower end of vertical bar 19 is divided always Wei Yu not be in corresponding slot 20, the top of vertical bar 19 is respectively fixedly connected with the two sides of 12 bottom surface of annular slab.Vertical bar 19 begins It is mating with slot 20 eventually, it can guarantee that annular slab 12 is vertically movable always in annular groove 11, and then guarantee that cylinder barrel 3 exists It is vertically movable always in cylinder groove 2, to further increase the stability inside the utility model measuring device.
Further, the utility model measuring device, U-shaped handle 13 described in the present embodiment are moved in order to facilitate staff The periphery of longitudinal rod is set with soft Anti-slip cover 21.Anti-slip cover 21, which can be capable of processing, makees human hand and U-shaped 13 longitudinal rod of handle Between frictional force, facilitate staff to move by U-shaped handle 13 to the utility model measuring device.
Further, in order to increase the frictional force between pedestal 1 and placed side, 1 bottom surface of pedestal described in the present embodiment Two sides soft resilient cushion 22 is fixedly mounted respectively.Resilient cushion 22 can increase the friction between 1 bottom surface of pedestal and placed side Power, while buffer function can be played to the bottom surface of pedestal 1, increase the stability that pedestal 1 is placed.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (6)

1. a kind of architectural design measuring device being convenient for carrying, it is characterised in that: including pedestal (1), the top surface of pedestal (1) is opened up Cylinder groove (2) is equipped with cylinder barrel (3) in cylinder groove (2), cylinder barrel (3) it is opening down, the inner circumferential of cylinder barrel (3) inner wall is opened If internal screw thread, the uniaxial motor (4) for capableing of positive and negative rotation is fixedly mounted in cylinder groove (2) inner wall bottom surface, is equipped with circle in cylinder barrel (3) Plate (5), the periphery of circular slab (5) open up external screw thread, are threadedly engaged between circular slab (5) and cylinder barrel (3), uniaxial motor (4) The top surface of output shaft is fixedly connected with the bottom surface of circular slab (5), is equipped with cylindrical link block (6), link block in cylinder barrel (3) (6) it is located at the surface of circular slab (5), is connect between link block (6) bottom surface and circular slab (5) top surface by attachment device, even Rangefinder (7) are fixedly mounted in the top surface for connecing block (6), by the between the top surface and link block (6) two sides of cylinder barrel (3) inner wall The connection of one limiting device, the top surface of cylinder barrel (3) inner wall open up circular through groove (8), and the two sides of through groove (8) top surface are respectively equipped with Baffle (9), the outside of baffle (9) pass through the two sides that hinged seat (10) is fixedly connected with cylinder barrel (3) top surface respectively, baffle (9) Bottom surface can respectively with cylinder barrel (3) top surface close contacting fit;The periphery of cylinder barrel (3) opens up annular groove (11), annular Annular slab (12) are equipped in slot (11), the periphery of annular slab (12) is fixedly connected with the inner circumferential of cylinder groove (2) inner wall, annular slab (12) The horizontal position of top surface is concordant with the horizontal position of pedestal (1) top surface, the top and bottom of annular slab (12) can respectively with it is right The top and bottom of annular groove (11) inner wall answered are engaged, the two sides and annular groove (11) inner wall bottom of annular slab (12) bottom surface It is connected by the second limiting device between the two sides of face;Inverted U-shaped handle is fixedly mounted in the two sides of pedestal (1) top surface respectively (13) button (14) are fixedly mounted in the side of the bottom end of vertical bar, pedestal (1) top surface, between button (14) and uniaxial motor (4) Circuit connection.
2. a kind of architectural design measuring device being convenient for carrying according to claim 1, it is characterised in that: the connection Device includes T-block (15), and the bottom surface of link block (6) opens up the T-slot (16) of annular, and T-block (15) is respectively positioned on T-slot (16) Interior, the bottom end of T-block (15) is respectively fixedly connected with the two sides of corresponding circular slab (5) top surface.
3. a kind of architectural design measuring device being convenient for carrying according to claim 1, it is characterised in that: described first Limiting device includes l-shaped rod (17), and the upper end of l-shaped rod (17) vertical bar is respectively fixedly connected with the two of cylinder barrel (3) inner wall top surface Side, the two sides of link block (6) open up vertical slot (18) respectively, and the inner end of l-shaped rod (17) horizon bar is inserted into corresponding perpendicular respectively To in slot (18), the top and bottom of l-shaped rod (17) horizon bar can respectively with the top surface of corresponding vertical bar (19) inner wall and Bottom surface is engaged.
4. a kind of architectural design measuring device being convenient for carrying according to claim 1, it is characterised in that: described second Limiting device includes vertical bar (19), and the two sides of annular groove (11) inner wall bottom surface open up slot (20) respectively, vertical bar (19) Lower end is located at always in corresponding slot (20), and the top of vertical bar (19) is respectively fixedly connected with annular slab (12) bottom surface Two sides.
5. a kind of architectural design measuring device being convenient for carrying according to claim 1, it is characterised in that: described is U-shaped The periphery of handle (13) longitudinal rod is set with soft Anti-slip cover (21).
6. a kind of architectural design measuring device being convenient for carrying according to claim 1, it is characterised in that: the pedestal (1) soft resilient cushion (22) are fixedly mounted in the two sides of bottom surface respectively.
CN201822187245.6U 2018-12-25 2018-12-25 A kind of architectural design measuring device being convenient for carrying Expired - Fee Related CN209432123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822187245.6U CN209432123U (en) 2018-12-25 2018-12-25 A kind of architectural design measuring device being convenient for carrying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822187245.6U CN209432123U (en) 2018-12-25 2018-12-25 A kind of architectural design measuring device being convenient for carrying

Publications (1)

Publication Number Publication Date
CN209432123U true CN209432123U (en) 2019-09-24

Family

ID=67973452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822187245.6U Expired - Fee Related CN209432123U (en) 2018-12-25 2018-12-25 A kind of architectural design measuring device being convenient for carrying

Country Status (1)

Country Link
CN (1) CN209432123U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762909A (en) * 2021-02-01 2021-05-07 安徽科技学院 Portable mapping equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762909A (en) * 2021-02-01 2021-05-07 安徽科技学院 Portable mapping equipment
CN112762909B (en) * 2021-02-01 2023-07-07 安徽科技学院 Portable mapping equipment

Similar Documents

Publication Publication Date Title
CN209432123U (en) A kind of architectural design measuring device being convenient for carrying
CN204694426U (en) A kind of leakage mechanism for testing for built-in product
CN209560813U (en) A kind of high school physics friction force demonstration device
CN219434834U (en) Concrete slump testing device
CN206223112U (en) Flatness quick detection equipment based on many laser feelers
CN106769226B (en) A kind of city and town river high reliability sampling detecting device
CN208476402U (en) A kind of infrared temperature detection instrument of power engineering
CN210983939U (en) Physical speed testing arrangement for physics experiments
CN106448415B (en) Lathe tool geometric angle measurement experiment platform
CN205280052U (en) Distance measuring device
CN205784926U (en) A kind of movably amesdial measurement structure
CN205607357U (en) Wall thickness detector
CN208972835U (en) A kind of Mapping Flat convenient for drawing
CN208721092U (en) A kind of project supervision slope measuring tool
CN211401055U (en) Novel measuring tool is used in indoor decoration
CN208689052U (en) A kind of civil engineering slump measuring device
CN207751829U (en) Mortar consistency tester
CN209131667U (en) A kind of field operation plotting board
CN208148909U (en) A kind of portable engineering mapping plate
CN212781227U (en) Distance measuring device
CN208092236U (en) A kind of planar design Portable type measurement unit
CN209387376U (en) A kind of slide fixation device and the pathological section imaging device with the device
CN217005607U (en) Construction engineering quality inspection ruler
CN205631844U (en) Portable electric power circuit design drawing board
CN209110907U (en) A kind of two-dimensional positioning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190924

Termination date: 20201225