CN117308861A - Floor flatness measuring device - Google Patents
Floor flatness measuring device Download PDFInfo
- Publication number
- CN117308861A CN117308861A CN202311619559.8A CN202311619559A CN117308861A CN 117308861 A CN117308861 A CN 117308861A CN 202311619559 A CN202311619559 A CN 202311619559A CN 117308861 A CN117308861 A CN 117308861A
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- Prior art keywords
- clamping
- clamping plate
- floor
- motor
- blocks
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- 238000005259 measurement Methods 0.000 claims description 12
- 230000013011 mating Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a floor flatness measuring device, which belongs to the technical field of construction detection and comprises a lifting piece and two moving pieces arranged on the lifting piece, wherein the lifting piece comprises four sleeve blocks and a square frame, each moving piece comprises a matched sleeve and a sliding rod, two square grooves symmetrical to the center of a clamping plate are formed in the clamping plate, two second fixing plates are fixedly arranged at the top of the clamping plate, a plurality of clamping blocks distributed in a linear array are fixedly arranged between the two square grooves at the bottom of the clamping plate, and a third motor is fixedly arranged on one side surface, far away from the center of the clamping plate, of one second fixing plate. The floor flatness measuring device can adjust the positions of the two moving parts and the number of the clamping blocks between the two moving parts according to the length of the floor when measuring the floor with different lengths, so that the measuring precision when measuring the floor with different widths is improved.
Description
Technical Field
The utility model belongs to the technical field of construction detection, and particularly relates to a floor flatness measuring device.
Background
In the construction process of building engineering, factors such as temperature, materials and the like can cause the floor to be raised or recessed, so that the flatness of the floor is reduced, and therefore, in the acceptance process, the flatness of the floor is usually required to be measured.
The utility model patent with the prior authority publication number of CN218673605U discloses floor flatness measuring equipment, which comprises an equipment main body, wherein the equipment main body comprises: the detection assembly is used for rapidly measuring the flatness of the floor slab, and a measuring piece is arranged on the detection assembly; the moving assembly is used for driving the detecting assembly to move and comprises a moving frame, and the detecting assembly is arranged on the moving assembly; through setting up the equipment main part, need not to move the measuring apparatu to the position that awaits measuring of next section after measuring one end position, can be continuous carry out the roughness to ground and detect, use more laborsaving high-efficient to carry out the suggestion of being noted with the level gauge through the warning light, the user of being convenient for knows the unsmooth condition on ground, it is more directly perceived to use, the practicality of device is stronger;
the flatness effect of the floor slabs is convenient to display, but in the implementation process of the utility model, the flatness of the floor slabs with different sizes cannot be measured, and the flatness measurement requirements of the floor slabs with different thicknesses or different widths cannot be met.
Disclosure of Invention
The utility model aims to provide a floor flatness measuring device, which solves the problem that the existing empty floor flatness measuring device provided in the background art cannot measure flatness of floors with different sizes.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the floor flatness measuring device comprises a storage plate, a lifting piece positioned at the top of the storage plate and two moving pieces arranged on the lifting piece, wherein four fixing blocks distributed in a rectangular array are fixed at the top of the storage plate, a first motor is fixedly arranged at the top of each fixing block, an output shaft of each first motor is coaxially connected with a first threaded rod, and each first threaded rod is positioned at one fixing block respectively;
the lifting piece comprises four sleeve blocks and a square frame;
each of the moving members includes a mating sleeve and a slide bar.
As a preferred embodiment of the present utility model, each sleeve block of the lifting member is respectively screwed on one of the first threaded rods.
As a preferred embodiment of the utility model, the inner side of the square frame of the lifting piece is provided with a clamping groove, the top of the square frame is fixedly provided with two first fixing plates, and a straight line formed by connecting the two first fixing plates is flush with the central axis of the square frame.
As a preferred embodiment of the utility model, one of the first fixing plates at the top of the square frame is provided with a second motor, the output shaft of the second motor penetrates through the first fixing plate and is coaxially connected with a second threaded rod, and one end of the second threaded rod far away from the second motor is rotatably connected with the other first fixing plate.
As a preferred embodiment of the utility model, a clamping plate is slidably clamped in the clamping groove of the square frame, a supporting block is fixed at the top of the clamping plate, a sleeve is fixedly arranged at the top of the supporting block, and the sleeve is sleeved on the side wall of the second threaded rod in a threaded manner.
As a preferred embodiment of the utility model, two square grooves which are symmetrical with respect to the center of the clamping plate are formed in the clamping plate, two second fixing plates are fixedly arranged at the top of the clamping plate, and a plurality of clamping blocks which are distributed in a linear array are fixedly arranged between the two square grooves at the bottom of the clamping plate.
As a preferred embodiment of the utility model, a third motor is fixedly arranged on one side surface of one second fixing plate far away from the center of the clamping plate, the output shaft of the third motor is coaxially connected with a left-right screw rod, and one end of the left-right screw rod far away from the third motor is rotatably connected with the other second fixing plate.
As a preferred embodiment of the utility model, the two moving parts are respectively connected to the forward rotation and the backward rotation of the left-handed screw rod in a threaded manner, each matching sleeve is connected to the left-handed screw rod in a threaded manner, a connecting plate is fixed at the bottom of each matching sleeve, and a connecting block is fixedly arranged at the bottom of each connecting plate.
As a preferred implementation mode of the utility model, two sliding rods are respectively inserted on one of the connecting blocks in a sliding way, a spring is sleeved on each sliding rod, the bottom ends of the two springs are respectively connected with the connecting blocks, and moving wheels are fixed at the bottoms of the two sliding rods.
As a preferred embodiment of the utility model, a plurality of clamping blocks which are mutually close to each other are respectively and slidably clamped with a clamping block, a telescopic rod is fixedly arranged at the bottom of each clamping block, and a movable wheel is fixedly arranged at the bottom of the telescopic end of each telescopic rod.
The floor flatness measuring device has the technical effects and advantages that:
when the floor flatness measuring device is used for measuring the flatness of the floor, the floor is placed at the top of the storage plate, the third motor is opened to drive the left-right screw rod to rotate according to the length of the floor, the left-right screw rod can drive the two moving parts to move towards the directions close to each other or away from each other, the two moving wheels of the two moving parts are just above two sides of the floor, then the clamping blocks are inserted at the clamping blocks at the bottoms of the clamping plates and are positioned at the positions of the clamping blocks, the moving wheels of the two moving parts and the moving wheels of the bottoms of the clamping blocks are positioned above the floor.
After using this floor roughness measuring device, in order to be convenient for improve the demand to different size floor roughness measurement, place the floor and adjust two moving parts, install the back of several fixture blocks, open four first motors and drive four first threaded rods and rotate, make a plurality of movable wheel voltage-sharing at the top of floor, make two springs be in by the state of compressing certain distance, the several telescopic link is also in by compressing certain distance's state, close first motor at this moment and open the second motor, the second motor drives the second threaded rod and rotates, thereby can drive the cardboard and remove the wheel with a plurality of removal on it, the pressure value that the telescopic link received can produce the change when removing the several removes the wheel, this structure can be when measuring the floor, through detecting the change of the pressure value on the several telescopic link and then calculate the roughness of floor.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the floor flatness measuring device;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a structural exploded view of the first view of FIG. 1;
FIG. 4 is a schematic view of the lifting member shown in FIG. 3;
FIG. 5 is a structural exploded view of the card of FIG. 3 and a first view of the structure thereon;
FIG. 6 is a structural exploded view of the card of FIG. 3 and a second view of the structure thereon;
fig. 7 is a schematic structural view of the moving member.
In the figure:
101. a storage plate; 102. support legs;
111. a fixed block; 112. a first motor; 113. a first threaded rod;
2. a lifting member; 201. sleeving blocks; 202. a block; 203. a clamping groove; 204. a first fixing plate;
301. a second motor; 302. a second threaded rod;
311. a clamping plate; 312. a support block; 313. a sleeve; 314. a square groove; 315. a second fixing plate; 316. a clamping block;
321. a third motor; 322. a left-right screw rod;
33. a moving member; 331. a matching sleeve; 332. a connecting plate; 333. a connecting block; 334. a slide bar; 335. a spring; 336. a moving wheel;
341. a clamping block; 342. a telescopic rod.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model, however, it will be apparent to one skilled in the art that the present utility model may be practiced without one or more of these specific details, and in order to avoid obscuring the present utility model, some of the features that are well known in the art are not described.
Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.
The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.
Referring to fig. 1-7, a floor flatness measuring device includes a placement plate 101, a lifting member 2 located at the top of the placement plate 101, and two moving members 33 installed on the lifting member 2, four rectangular array distributed fixing blocks 111 are fixed at the top of the placement plate 101, a first motor 112 is fixedly installed at the top of each fixing block 111, an output shaft of each first motor 112 is coaxially connected with a first threaded rod 113, each first threaded rod 113 is located at one of the fixing blocks 111, and four rectangular array distributed supporting legs 102 are fixed at the bottom of the placement plate 101 to facilitate supporting of the placement plate 101.
In order to make the floor flatness measuring device suitable for the measurement of the floor flatness with different lengths, as shown in fig. 1, 3 and 7, two square grooves 314 symmetrical with respect to the center of the clamping plate 311 are formed on the clamping plate 311, two moving parts 33 penetrate through the square grooves 314 of the clamping plate 311, two second fixing plates 315 are fixedly arranged at the top of the clamping plate 311, a plurality of clamping blocks 316 distributed in a linear array are fixedly arranged between the two square grooves 314 at the bottom of the clamping plate 311, a third motor 321 is fixedly arranged on one side surface of one second fixing plate 315 far away from the center of the clamping plate 311, the output shaft of the third motor 321 is coaxially connected with a left-right screw rod 322, one end of the left-right screw rod 322 far away from the third motor 321 is rotationally connected with the other second fixing plate 315, each moving part 33 comprises a matching sleeve 331 and a sliding rod 334, the two moving parts 33 are respectively connected to the forward rotation and the backward rotation of the left-right screw rod 322 in a threaded manner, each matching sleeve 331 is respectively connected to the left-right screw rod 322 in a threaded manner, when the left-right screw rod 322 rotates, the two moving parts 33 can be driven to move towards the directions close to each other or away from each other, a connecting plate 332 is fixed at the bottom of each matching sleeve 331, a connecting block 333 is fixedly arranged at the bottom of each connecting plate 332, two sliding rods 334 are respectively inserted on one of the connecting blocks 333 in a sliding manner, springs 335 are respectively sleeved on each sliding rod 334, the bottom ends of the two springs 335 are respectively connected with the connecting blocks 333, moving wheels 336 are respectively fixed at the bottoms of the two sliding rods 334, clamping blocks 341 are respectively clamped on a plurality of mutually-closed clamping blocks 316, telescopic rods 342 are respectively fixedly arranged at the bottoms of each clamping block 341, moving wheels 336 are respectively fixed at the bottoms of telescopic ends of each telescopic rod 342, the two movable wheels 336 of the two movable members 33 indicate the positions of the plurality of movable wheels 336 at the bottom of the plurality of telescopic rods 342, so that the plurality of movable wheels 336 are attached to the top of the floor, and then the flatness of the floor is measured.
In order to facilitate the measurement of the flatness of the floor slab, as shown in fig. 1-4, the lifting member 2 comprises four sleeve blocks 201 and a square frame 202, each sleeve block 201 of the lifting member 2 is respectively sleeved on one first threaded rod 113 in a threaded manner, when the four first motors 112 work, the square frame 202 can be driven to move up and down, a clamping groove 203 is formed in the inner side of the square frame 202 of the lifting member 2, two first fixing plates 204 are fixedly arranged at the top, a straight line formed by connecting the two first fixing plates 204 is flush with the central axis of the square frame 202, a second motor 301 is arranged on one first fixing plate 204 at the top of the square frame 202, an output shaft of the second motor 301 penetrates through the first fixing plate 204 and is coaxially connected with a second threaded rod 302, one end of the second threaded rod 302 far away from the second motor 301 is rotationally connected with the other first fixing plate 204, a clamping plate 311 is slidably clamped in a clamping plate 203 of the square frame 202, a supporting block 312 is fixedly arranged at the top of the clamping plate 311, a sleeve 313 is fixedly arranged at the top of the supporting block 312, the sleeve 313 is sleeved on the side wall of the second threaded rod 302, when the second motor 301 is opened, so that the second motor 301 can drive the second threaded rod 301 can move to move through the second threaded rod 301 to drive the second threaded rod 301 to move, and the second threaded rod 301 to move to measure the flatness;
when the measurement is performed, the change of the pressure value born by the plurality of telescopic rods 342 along with the displacement of the clamping plate 311 is recorded, and then the flatness of the floor slab is calculated according to the pressure values of the plurality of telescopic rods 342.
When the floor flatness measuring device is used for measuring the flatness of the floor, the floor is placed on the top of the object placing plate 101, the center of the floor is aligned with the central axis of the object placing plate 101, at the moment, a clamping block 341 is not inserted on a clamping block 316 at the bottom of a clamping plate 311, according to the length of the floor, a third motor 321 is started to drive a left-right screw rod 322 to rotate, the left-right screw rod 322 can drive two moving parts 33 to move towards directions approaching to or away from each other, two moving wheels 336 of the two moving parts 33 are just above two sides of the floor, then the clamping block 341 is inserted at a plurality of clamping blocks 316 at the bottom of the clamping plate 311 between the two moving parts 33, and the moving wheels 336 of the two moving parts 33 and the moving wheels 336 at the bottom of the plurality of clamping blocks 341 are all above the floor; after the floor flatness measuring device is used, in order to facilitate improvement of the requirements for measuring the flatness of floor slabs of different sizes, after the floor slabs are placed, two moving parts 33 are adjusted, a plurality of clamping blocks 341 are installed, four first motors 112 are opened to drive four first threaded rods 113 to rotate, when the four first threaded rods 113 rotate, the square frame 202 is driven to move downwards through cooperation with four sleeve blocks 201, a plurality of moving wheels 336 are enabled to be even at the top of the floor slabs, two springs 335 are enabled to be in a state of being compressed for a certain distance, a plurality of telescopic rods 342 are also in a state of being compressed for a certain distance, at the moment, the first motors 112 are closed, the second motors 301 are opened, the second motors 301 drive the second threaded rods 302 to rotate, so that clamping plates 311 and the plurality of moving wheels 336 on the clamping plates can be driven to move, when the plurality of moving wheels 336 move, pressure values borne by the plurality of moving wheels 342 can change, and the flatness of the floor slabs is calculated according to the change of the pressure values on the plurality of telescopic rods 342.
It should be noted that, in this document, relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but also other elements that are not explicitly listed or inherent to such process, method, article, or apparatus, without further limitation, the term "comprising" an element that is defined by … … does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises such elements.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Floor roughness measuring device, including four fixed blocks (111) that are rectangular array distribution and install two moving parts (33) on lifting part (2), its characterized in that: the top of each fixed block (111) is fixedly provided with a first motor (112), the output shaft of each first motor (112) is coaxially connected with a first threaded rod (113), and each first threaded rod (113) is respectively positioned at one fixed block (111);
the lifting piece (2) comprises four sleeve blocks (201) and a square frame (202);
each of the moving members (33) includes a mating sleeve (331) and a slide bar (334).
2. A floor slab flatness measurement apparatus according to claim 1, wherein: each sleeve block (201) of the lifting piece (2) is respectively sleeved on one of the first threaded rods (113) in a threaded mode.
3. A floor slab flatness measurement apparatus according to claim 1, wherein: clamping grooves (203) are formed in the inner side of a square frame (202) of the lifting piece (2), two first fixing plates (204) are fixedly arranged at the top of the square frame, and a straight line formed by connecting the two first fixing plates (204) is flush with the central axis of the square frame (202).
4. A floor slab flatness measuring device according to claim 3, characterized in that: and one first fixing plate (204) at the top of the square frame (202) is provided with a second motor (301), an output shaft of the second motor (301) penetrates through the first fixing plate (204) and is coaxially connected with a second threaded rod (302), and one end, far away from the second motor (301), of the second threaded rod (302) is rotatably connected with the other first fixing plate (204).
5. The floor slab flatness measurement apparatus of claim 4, wherein: the clamping groove (203) of the square frame (202) is slidably clamped with a clamping plate (311), a supporting block (312) is fixed at the top of the clamping plate (311), a sleeve (313) is fixedly arranged at the top of the supporting block (312), and the sleeve (313) is sleeved on the side wall of the second threaded rod (302) in a threaded mode.
6. The floor slab flatness measurement apparatus of claim 5, wherein: two square grooves (314) which are symmetrical with respect to the center of the clamping plate (311) are formed in the clamping plate (311), two second fixing plates (315) are fixedly arranged at the top of the clamping plate (311), and a plurality of clamping blocks (316) which are distributed in a linear array are fixedly arranged between the two square grooves (314) at the bottom of the clamping plate (311).
7. The floor slab flatness measurement apparatus of claim 6, wherein: one of the second fixing plates (315) is far away from a side surface of the center of the clamping plate (311), a third motor (321) is fixedly arranged on the side surface of the center of the clamping plate (311), an output shaft of the third motor (321) is coaxially connected with a left-right screw rod (322), and one end, far away from the third motor (321), of the left-right screw rod (322) is rotationally connected with the other second fixing plate (315).
8. The floor slab flatness measurement apparatus of claim 7, wherein: the two moving parts (33) are respectively connected to the forward rotation and the reverse rotation of the left-right rotation screw rod (322) in a threaded mode, each matching sleeve (331) is connected to the left-right rotation screw rod (322) in a threaded mode, connecting plates (332) are fixed to the bottoms of the matching sleeves (331), and connecting blocks (333) are fixedly installed at the bottoms of the connecting plates (332).
9. The floor slab flatness measurement apparatus of claim 8, wherein: the two sliding rods (334) are respectively inserted on one of the connecting blocks (333) in a sliding mode, a spring (335) is sleeved on each sliding rod (334), the bottom ends of the two springs (335) are respectively connected with the connecting blocks (333), and moving wheels (336) are respectively fixed at the bottoms of the two sliding rods (334).
10. A floor slab flatness measurement apparatus according to claim 9, wherein: clamping blocks (341) are connected to a plurality of clamping blocks (316) at the bottom of the clamping plate (311) in a sliding clamping mode, telescopic rods (342) are fixedly installed at the bottoms of the clamping blocks (341), and movable wheels (336) are fixedly arranged at the bottoms of telescopic ends of the telescopic rods (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311619559.8A CN117308861B (en) | 2023-11-30 | 2023-11-30 | Floor flatness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311619559.8A CN117308861B (en) | 2023-11-30 | 2023-11-30 | Floor flatness measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117308861A true CN117308861A (en) | 2023-12-29 |
| CN117308861B CN117308861B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311619559.8A Active CN117308861B (en) | 2023-11-30 | 2023-11-30 | Floor flatness measuring device |
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| Country | Link |
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| CN (1) | CN117308861B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689892A (en) * | 1985-06-17 | 1987-09-01 | Kalman Floor Company | Apparatus and method of measuring surface heights |
| US4748748A (en) * | 1985-06-17 | 1988-06-07 | Kalman Floor Company | Method and apparatus for measuring height variations on a floor surface |
| US5859783A (en) * | 1996-01-05 | 1999-01-12 | Ytterberg Scientific Inc. | Method and apparatus for measuring flatness of a floor |
| JP2013195384A (en) * | 2012-03-22 | 2013-09-30 | Toshiba Corp | Inspection device, inspection method, and method for manufacturing electronic component |
| CN104567638A (en) * | 2014-12-14 | 2015-04-29 | 河南高端地坪工程有限公司 | Floor flatness detection mechanism for architectural engineering |
| CN207314103U (en) * | 2017-08-16 | 2018-05-04 | 双春梅 | A kind of civil engineering pavement flatness checking device |
| CN211476982U (en) * | 2019-11-30 | 2020-09-11 | 北京乾源嘉业建设工程有限公司 | City square tile laying flatness detection device |
| CN212482450U (en) * | 2020-07-27 | 2021-02-05 | 东营市天元规划技术服务有限公司 | Ground levelness detection device for surveying and mapping |
| CN212567260U (en) * | 2020-08-13 | 2021-02-19 | 北京城建亚泰金典建设工程有限公司 | A leveling device for building construction |
| CN213688198U (en) * | 2020-12-10 | 2021-07-13 | 席丽霞 | Flatness measuring device for constructional engineering construction |
| CN214372219U (en) * | 2021-03-18 | 2021-10-08 | 山西四建集团有限公司 | A ground flatness control device |
| CN215803297U (en) * | 2021-06-18 | 2022-02-11 | 福建省二建建设集团有限公司 | Building floor elevation and flatness control device |
| CN216515012U (en) * | 2021-10-14 | 2022-05-13 | 山东泰和城建发展有限公司 | Roughness detection device for town road |
-
2023
- 2023-11-30 CN CN202311619559.8A patent/CN117308861B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689892A (en) * | 1985-06-17 | 1987-09-01 | Kalman Floor Company | Apparatus and method of measuring surface heights |
| US4748748A (en) * | 1985-06-17 | 1988-06-07 | Kalman Floor Company | Method and apparatus for measuring height variations on a floor surface |
| US5859783A (en) * | 1996-01-05 | 1999-01-12 | Ytterberg Scientific Inc. | Method and apparatus for measuring flatness of a floor |
| JP2013195384A (en) * | 2012-03-22 | 2013-09-30 | Toshiba Corp | Inspection device, inspection method, and method for manufacturing electronic component |
| CN104567638A (en) * | 2014-12-14 | 2015-04-29 | 河南高端地坪工程有限公司 | Floor flatness detection mechanism for architectural engineering |
| CN207314103U (en) * | 2017-08-16 | 2018-05-04 | 双春梅 | A kind of civil engineering pavement flatness checking device |
| CN211476982U (en) * | 2019-11-30 | 2020-09-11 | 北京乾源嘉业建设工程有限公司 | City square tile laying flatness detection device |
| CN212482450U (en) * | 2020-07-27 | 2021-02-05 | 东营市天元规划技术服务有限公司 | Ground levelness detection device for surveying and mapping |
| CN212567260U (en) * | 2020-08-13 | 2021-02-19 | 北京城建亚泰金典建设工程有限公司 | A leveling device for building construction |
| CN213688198U (en) * | 2020-12-10 | 2021-07-13 | 席丽霞 | Flatness measuring device for constructional engineering construction |
| CN214372219U (en) * | 2021-03-18 | 2021-10-08 | 山西四建集团有限公司 | A ground flatness control device |
| CN215803297U (en) * | 2021-06-18 | 2022-02-11 | 福建省二建建设集团有限公司 | Building floor elevation and flatness control device |
| CN216515012U (en) * | 2021-10-14 | 2022-05-13 | 山东泰和城建发展有限公司 | Roughness detection device for town road |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117308861B (en) | 2024-02-13 |
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