CN112376375B - Portable road flatness measuring device - Google Patents
Portable road flatness measuring device Download PDFInfo
- Publication number
- CN112376375B CN112376375B CN202110001163.1A CN202110001163A CN112376375B CN 112376375 B CN112376375 B CN 112376375B CN 202110001163 A CN202110001163 A CN 202110001163A CN 112376375 B CN112376375 B CN 112376375B
- Authority
- CN
- China
- Prior art keywords
- rotating
- fixed
- measuring device
- detector body
- flatness measuring
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a portable road roughness measuring device, which comprises a housin, there is the bull stick on the casing, all be fixed with the backup pad of "L" type on two bull sticks, the below of casing is equipped with the detector body, rotate the commentaries on classics roller of installing two axis parallel arrangement on the casing, be fixed with the nut on two commentaries on classics rollers respectively, equal screw-thread fit has the screw rod on two nuts, there is the pivot on the casing, the both ends of two pivots are fixed with first runner and second runner respectively, the both ends of two bull sticks are fixed with first from driving wheel and second respectively from the driving wheel, one of two screw rods near the detector body is served and all is fixed with the rack, the both ends of two pivots are fixed with first gear and second gear respectively. Carry out quick packing up and opening the device, when packing up, can carry out effectual protection to the detector body, improve its life, can adjust the device according to the actual condition in road surface, further improvement detected data's accuracy.
Description
Technical Field
The invention relates to the technical field of highway detection equipment, in particular to a portable road flatness measuring device.
Background
The road surface flatness (roadsurface roughness) refers to a deviation value of the concave-convex amount in the longitudinal direction of the road surface. The pavement evenness is an important index in pavement evaluation and pavement construction acceptance, and mainly reflects the evenness of a pavement longitudinal section profile curve. When the profile curve of the longitudinal section of the road surface is relatively smooth, the road surface is relatively flat or the flatness is relatively good, otherwise, the flatness is relatively poor. Good pavement requires good pavement flatness. Currently, when measuring this index, a three-meter ruler is usually used, and a level is arranged on the ruler. The measuring method comprises the steps of horizontally placing three meters of straight rulers on the road surface, then measuring the gap distance between the lower surface of the three meters of straight rulers and the road surface by using another straight ruler, wherein the gap can be a plurality of gaps, so that a measurer needs to sequentially measure the gaps, and the maximum value is taken as the flatness after comparison. The method has the defects of more measurement times, time and labor waste, large artificial error and influence on the accuracy of measurement. The measuring device with the driving wheel trolley is adopted to measure in order to improve the efficiency, but the device is not convenient to carry, so that the influence is caused to an operator when the device is moved and transported, the device is troublesome to collect, the labor intensity of the operator is increased, and meanwhile, the internal detection piece is not effectively protected.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a portable road flatness measuring device, which improves the convenience of collecting the device, reduces the labor intensity of the operator, and improves the use efficiency.
The solution is that, a portable road flatness measuring device, including a shell, two opposite sides of the shell are rotatably connected with rotating rods with parallel axes, two L-shaped supporting plates are fixed on the two rotating rods, one side of the two supporting plates far away from each other is rotatably provided with a plurality of rotating wheels, a detector body is arranged below the shell, the two supporting plates can rotate towards one side of the detector body, two rotating rollers with parallel axes are rotatably arranged on the shell, nuts are respectively fixed on the two rotating rollers, screw rods are respectively in threaded fit on the two nuts, the two screw rods are respectively coaxially arranged with the two rotating rollers, one side of the shell facing the detector body is rotatably provided with two rotating shafts with parallel axes, the two rotating shafts are respectively positioned at two sides of the two screw rods, and a first rotating wheel and a second rotating wheel are respectively fixed at two ends of the two rotating shafts, the axis of two pivots and the axis parallel arrangement of two bull sticks, the both ends of two bull sticks are fixed with respectively that first follow driving wheel and second follow driving wheel, two first follow driving wheels and two second follow driving wheels are connected through the belt respectively with between two first runners and two second runners, one that two screws are close to the detector body all is fixed with the rack, the both ends of two pivots are fixed with first gear and second gear respectively, a plurality of first gears and second gear respectively with the rack of correspondence between intermeshing.
Preferably, a plurality of first driven wheels and second driven wheels are respectively provided with a toothed sheave, and the belt is a toothed belt which is matched with the first driven wheels and the second driven wheels.
Preferably, a plurality of springs are fixed between the detector body and the housing.
Preferably, a plurality of baffles are fixed on each of the two supporting plates.
Preferably, the driving shaft is rotatably installed on the shell, a driving motor is fixed on the shell, the output end of the driving motor is connected with the driving shaft, and the driving shaft is connected with the two rotating rollers through a chain.
Preferably, a connecting rod is fixed between the two screws.
Preferably, a switch is fixed on the connecting rod, and the switch is positioned on one side of the connecting rod facing the shell.
The use effect of this device: can carry out short-term test to the roughness on road surface, carry out quick packing up and opening the device, when packing up, can carry out effectual protection to the detector body, improve its life, reduce the vibrations of detector body, further improvement its life reduces operating personnel's intensity of labour, is convenient for carry the device, can adjust the accuracy of device, further improvement detection data according to the condition of road surface reality.
Drawings
FIG. 1 is a schematic view of the front side of the present invention.
Fig. 2 is a structural schematic diagram of the present invention as viewed from the bottom.
Fig. 3 is a schematic structural view of the entire front surface of the present invention.
Fig. 4 is a schematic structural view of the whole side of the present invention.
Fig. 5 is a schematic overall top view of the present invention.
Fig. 6 is a schematic bottom view of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Given by figures 1, 2, 3, 4, 5 and 6, a portable road flatness measuring device comprises a casing 1, and is characterized in that two opposite sides of the casing 1 are rotatably connected with rotating rods 2 with axes arranged in parallel, the two rotating rods 2 are respectively fixed with an L-shaped support plate 3, one sides of the two support plates 3 far away from each other are respectively rotatably provided with a plurality of rotating wheels 4, a detector body 5 is arranged below the casing 1, the two support plates 3 can rotate towards one side of the detector body 5, the casing 1 is rotatably provided with two rotating rollers 6 with axes arranged in parallel, the two rotating rollers 6 are respectively fixed with nuts 7, the two nuts 7 are respectively matched with a screw 8 in a threaded manner, the two screw 8 are respectively arranged coaxially with the two rotating rollers 6, one side of the casing 1 facing the detector body 5 is rotatably provided with two rotating shafts 9 with axes arranged in parallel, two pivots 9 are located the both sides of two screw rods 8 respectively and the both ends of two pivots 9 are fixed with first runner 10 and second runner 11 respectively, the axis of two pivots 9 and the axis parallel arrangement of two bull sticks 2, the both ends of two bull sticks 2 are fixed with first from driving wheel 12 and second from driving wheel 13 respectively, two first from driving wheel 12 and two second from driving wheel 13 respectively with two first runners 10 and two second runners 11 between be connected through the belt, two screw rods 8 are close to one of detector body 5 and serve and all be fixed with rack 14, the both ends of two pivots 9 are fixed with first gear 15 and second gear 16 respectively, a plurality of first gears 15 and second gear 16 respectively with the rack 14 that corresponds between intermeshing.
When the device is used, firstly, the device is placed at a position needing to work, then the two nuts 7 are driven to rotate by rotating the two rotating rollers 6, so that the two screw rods 8 move up and down, the rack 14 is driven to move up and down, the first gear 15 and the second gear 16 are driven to rotate by meshing the rack 14 with the first gear 15 and the second gear 16, the two rotating shafts 9 are driven to rotate, then the first rotating wheel 10 and the second rotating wheel 11 on the rotating shafts 9 are driven to rotate, the two driven wheels are driven to rotate by a belt, the rotating rod 2 is driven to rotate, the two supporting plates 3 are driven to rotate towards the direction of the detection body, the device is folded, the carrying speed of the device is improved, the labor intensity of operators is reduced, when the supporting plates 3 are folded, runner 4 at this moment can realize the support to the device equally to can make things convenient for the operator to remove and transport the device, further improve the result of use of device, backup pad 3 can protect detector body 5 simultaneously, avoids causing the harm to detector body 5 at the in-process of transportation, improves its life. When needs use the device, two nuts 7 of reverse rotation, can realize that two backup pads 3 open, thereby make the device can detect the road surface, detect and feedback through the detector, the operating personnel of being convenient for observes, when detecting the road surface of difference, when needing highly adjusting the device, rotate two nuts 7 this moment, make backup pad 3 rotate certain angle, thereby can be according to the condition of reality highly adjusting the device, thereby improve the result of use of device, use to the road surface of difference.
The plurality of first driven wheels 12 and second driven wheels 13 are both provided with toothed sheaves, and the belt is a toothed belt which is matched with the first driven wheels 12 and the second driven wheels 13.
By adopting the grooved wheel with teeth and the belt with teeth, the cooperation between the first rotating wheel 10 and the second rotating wheel 11 and the two driven wheels is improved, the slipping condition is avoided during use, and the using effect of the device is further improved.
A plurality of springs 17 are fixed between the detector body 5 and the housing 1.
Through setting up a plurality of springs 17, can carry out the shock attenuation to detector body 5 during the use, its damage of further reduction improves its life.
A plurality of baffles 18 are fixed on both the two support plates 3.
By arranging the plurality of baffles 18, the detector body 5 can be further protected when the device is folded in use, the damage of the detector body is reduced, and the using effect of the device is further improved.
A driving shaft 21 is rotatably installed on the shell 1, a driving motor 19 is fixed on the shell 1, the output end of the driving motor 19 is connected with the driving shaft 21, and the driving shaft 21 is connected with the two rotating rollers 6 through a chain.
Through setting up driving motor 19, start driving motor 19 during the use, can drive two through the chain and change roller 6 and rotate, and then realize the rotation of two backup pads 3, realize opening and packing up of device, further improvement device's result of use.
A connecting rod 20 is fixed between the two screw rods 8.
In order to facilitate taking of multiple devices, the connecting rod 20 is arranged, the devices can be taken through the connecting rod 20 during use, use convenience is improved, meanwhile, the connecting rod 20 can enable the two screw rods 8 to be fixed relatively, and the situation that the screw rods 8 rotate when in use is avoided.
A switch 22 is fixed on the connecting rod 20, and the switch 22 is positioned on one side of the connecting rod 20 facing the shell 1.
Through setting up switch 22, switch 22 and driving motor 19 electricity are connected, and during the use, just can open and close driving motor 19 through driving switch 22, and then improve the result of use of device.
The using effect of this device: can carry out short-term test to the roughness on road surface, carry out quick packing up and opening the device, when packing up, can carry out effectual protection to the detector body, improve its life, reduce the vibrations of detector body, further improvement its life reduces operating personnel's intensity of labour, is convenient for carry the device, can adjust the accuracy of device, further improvement detection data according to the condition of road surface reality.
The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.
Claims (7)
1. A portable road flatness measuring device comprises a shell (1) and is characterized in that rotating rods (2) with parallel axes are rotatably connected on two opposite sides of the shell (1), L-shaped supporting plates (3) are fixedly arranged on the two rotating rods (2), a plurality of rotating wheels (4) are rotatably mounted on one sides of the two supporting plates (3) far away from each other, a detector body (5) is arranged below the shell (1), the two supporting plates (3) can rotate towards one side of the detector body (5), two rotating rollers (6) with parallel axes are rotatably mounted on the shell (1), nuts (7) are fixedly arranged on the two rotating rollers (6) respectively, screw rods (8) are matched with the two nuts (7) in a threaded manner, and the two screw rods (8) are coaxially arranged between the two rotating rollers (6) respectively, the detector comprises a shell (1), wherein two rotating shafts (9) with parallel axes are rotatably mounted on one surface of the shell (1) facing a detector body (5), the two rotating shafts (9) are respectively positioned on two sides of two screw rods (8), two ends of each rotating shaft (9) are respectively fixed with a first rotating wheel (10) and a second rotating wheel (11), the axes of the two rotating shafts (9) are parallel to the axes of two rotating rods (2), two ends of each rotating rod (2) are respectively fixed with a first driven wheel (12) and a second driven wheel (13), the two first driven wheels (12) and the two second driven wheels (13) are respectively connected with the two first rotating wheels (10) and the two second rotating wheels (11) through belts, one ends of the two screw rods (8) close to the detector body (5) are respectively fixed with a rack (14), two ends of the two rotating shafts (9) are respectively fixed with a first gear (15) and a second gear (16), the first gears (15) and the second gears (16) are meshed with the corresponding racks (14) respectively.
2. A portable road flatness measuring device according to claim 1, wherein the plurality of first (12) and second (13) driven wheels each employ a toothed sheave, and the belt employs a toothed belt that is intermeshed with the first (12) and second (13) driven wheels.
3. A portable road flatness measuring device according to claim 1, characterised in that a number of springs (17) are fixed between the detector body (5) and the housing (1).
4. A portable road flatness measuring device according to claim 1, wherein a plurality of baffles (18) are fixed to both support plates (3).
5. A portable road flatness measuring device according to claim 1, characterized in that a driving shaft (21) is rotatably mounted on the housing (1), a driving motor (19) is fixed on the housing (1), the output end of the driving motor (19) is connected with the driving shaft (21), and the driving shaft (21) is connected with the two rotating rollers (6) through a chain.
6. A portable road flatness measuring device according to claim 1, characterised in that a link (20) is fixed between the two threaded rods (8).
7. A portable road flatness measuring device according to claim 6, in which a switch (22) is fixed to the link (20), said switch (22) being located on the side of the link (20) facing the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001163.1A CN112376375B (en) | 2021-01-04 | 2021-01-04 | Portable road flatness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001163.1A CN112376375B (en) | 2021-01-04 | 2021-01-04 | Portable road flatness measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112376375A CN112376375A (en) | 2021-02-19 |
| CN112376375B true CN112376375B (en) | 2022-05-03 |
Family
ID=74590238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110001163.1A Active CN112376375B (en) | 2021-01-04 | 2021-01-04 | Portable road flatness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112376375B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017573A (en) * | 2004-07-01 | 2006-01-19 | Tokimec Inc | Truck for road surface flatness measuring device |
| CN101607575A (en) * | 2008-06-18 | 2009-12-23 | 胡静宇 | Collapsiblely be folded into box-type car |
| WO2012029026A1 (en) * | 2010-08-30 | 2012-03-08 | Bridgestone Corporation | Road surface roughness measuring system and method |
| CN103991403A (en) * | 2014-05-06 | 2014-08-20 | 驾道科技有限公司 | Environmental-protection inspection van for motor vehicle |
| CN205228840U (en) * | 2015-12-24 | 2016-05-11 | 旭景川宇机械（天津）有限公司 | Foldable little volume steering mechanism subassembly detection device |
| CN106373509A (en) * | 2016-10-18 | 2017-02-01 | 榴莲客（北京）科技有限公司 | Portable movable flat panel display multimedia machine |
| CN207246672U (en) * | 2017-08-24 | 2018-04-17 | 伊蒙妮莎（常州）发电设备有限公司 | A kind of foldable motor unit chassis |
| CN207267956U (en) * | 2017-06-20 | 2018-04-24 | 芜湖一铭知识产权咨询有限公司 | A kind of Urban Bridge road surface glacing flatness detection device |
| CN208348888U (en) * | 2018-06-22 | 2019-01-08 | 内蒙古师范大学 | A kind of computer teaching interactive device |
| CN209058904U (en) * | 2018-06-26 | 2019-07-05 | 陈骑书话 | A kind of barbecue rack easy to remove |
| CN209082349U (en) * | 2018-11-22 | 2019-07-09 | 吴吉林 | One kind is for bridge machinery and maintenance and reinforcement equipment |
| CN110425399A (en) * | 2019-09-02 | 2019-11-08 | 广东电网有限责任公司 | A kind of Portable column upper switch for automation control field test |
| CN210180446U (en) * | 2019-08-27 | 2020-03-24 | 广州振旭信息科技有限公司 | Portable total station for surveying and mapping |
| CN210654592U (en) * | 2019-12-17 | 2020-06-02 | 镇江中集车辆智能物流装备有限公司 | Self-detachable exchange box |
| CN211446510U (en) * | 2019-12-30 | 2020-09-08 | 山东锦诚即测技术检验检测有限公司 | Portable road surface thickness measuring instrument |
| CN111749094A (en) * | 2020-07-12 | 2020-10-09 | 京山俊平机电科技有限公司 | Detection device for highway bridge maintenance and use method thereof |
| CN211973024U (en) * | 2020-04-14 | 2020-11-20 | 山东高速集团有限公司 | Bituminous paving thickness measurement equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018071586A1 (en) * | 2016-10-12 | 2018-04-19 | Vuyk Technology Holdings, LLC | Systems and methods for data tracking to enhance foundations |
| CN106441208B (en) * | 2016-11-08 | 2018-04-06 | 长安大学 | A kind of bituminous paving pine laying roughness measurement instrument and measuring method |
| CN108106526B (en) * | 2018-02-02 | 2023-05-05 | 山东交通学院 | Road surface roughness measuring device |
| CN108221604A (en) * | 2018-03-02 | 2018-06-29 | 成都阡陌九城网络科技有限公司 | A kind of portable pavement flatness checking device |
| US20200149955A1 (en) * | 2018-11-09 | 2020-05-14 | Vincent Puruczky | Raised pavement marker detector |
-
2021
- 2021-01-04 CN CN202110001163.1A patent/CN112376375B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017573A (en) * | 2004-07-01 | 2006-01-19 | Tokimec Inc | Truck for road surface flatness measuring device |
| CN101607575A (en) * | 2008-06-18 | 2009-12-23 | 胡静宇 | Collapsiblely be folded into box-type car |
| WO2012029026A1 (en) * | 2010-08-30 | 2012-03-08 | Bridgestone Corporation | Road surface roughness measuring system and method |
| CN103991403A (en) * | 2014-05-06 | 2014-08-20 | 驾道科技有限公司 | Environmental-protection inspection van for motor vehicle |
| CN205228840U (en) * | 2015-12-24 | 2016-05-11 | 旭景川宇机械（天津）有限公司 | Foldable little volume steering mechanism subassembly detection device |
| CN106373509A (en) * | 2016-10-18 | 2017-02-01 | 榴莲客（北京）科技有限公司 | Portable movable flat panel display multimedia machine |
| CN207267956U (en) * | 2017-06-20 | 2018-04-24 | 芜湖一铭知识产权咨询有限公司 | A kind of Urban Bridge road surface glacing flatness detection device |
| CN207246672U (en) * | 2017-08-24 | 2018-04-17 | 伊蒙妮莎（常州）发电设备有限公司 | A kind of foldable motor unit chassis |
| CN208348888U (en) * | 2018-06-22 | 2019-01-08 | 内蒙古师范大学 | A kind of computer teaching interactive device |
| CN209058904U (en) * | 2018-06-26 | 2019-07-05 | 陈骑书话 | A kind of barbecue rack easy to remove |
| CN209082349U (en) * | 2018-11-22 | 2019-07-09 | 吴吉林 | One kind is for bridge machinery and maintenance and reinforcement equipment |
| CN210180446U (en) * | 2019-08-27 | 2020-03-24 | 广州振旭信息科技有限公司 | Portable total station for surveying and mapping |
| CN110425399A (en) * | 2019-09-02 | 2019-11-08 | 广东电网有限责任公司 | A kind of Portable column upper switch for automation control field test |
| CN210654592U (en) * | 2019-12-17 | 2020-06-02 | 镇江中集车辆智能物流装备有限公司 | Self-detachable exchange box |
| CN211446510U (en) * | 2019-12-30 | 2020-09-08 | 山东锦诚即测技术检验检测有限公司 | Portable road surface thickness measuring instrument |
| CN211973024U (en) * | 2020-04-14 | 2020-11-20 | 山东高速集团有限公司 | Bituminous paving thickness measurement equipment |
| CN111749094A (en) * | 2020-07-12 | 2020-10-09 | 京山俊平机电科技有限公司 | Detection device for highway bridge maintenance and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112376375A (en) | 2021-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201488706U (en) | Index detection device of cigarette or filter rod | |
| CN102620689B (en) | Steel rail corrugation laser measuring device | |
| CN206818178U (en) | A kind of planeness measuring apparatus for building | |
| CN112376375B (en) | Portable road flatness measuring device | |
| CN214826975U (en) | A conveyer for electronic commerce product quality selective examination | |
| CN208350582U (en) | A kind of packaged type workshop dust monitor | |
| CN217443246U (en) | Ultrasonic guided wave offshore drilling platform pipeline flaw detection equipment | |
| CN201126360Y (en) | Portable steel rail wave type abrasiveness measuring apparatus | |
| CN2670020Y (en) | Portable rolling roller profile inspecting frame | |
| CN215561725U (en) | Flatness detection device for highway engineering | |
| CN115876123A (en) | Subway tunnel clearance intelligent detection device and detection method | |
| CN214471757U (en) | Brake inspection bench for automobile annual inspection | |
| CN214407406U (en) | Material and integrative equipment of detection are sent out to electric power cable warehouse | |
| CN112461280B (en) | Instrument equipment running state monitoring device | |
| CN209305594U (en) | A kind of hand-held type multifunctional detection ruler | |
| CN209945291U (en) | Novel wind power tower cylinder ovality measuring device | |
| CN105890557A (en) | Bearing detection machine | |
| CN111521504A (en) | High-strength ceramic roller wear-resistance detection device | |
| CN220583581U (en) | Can be to clear steel sheet acceptance platform of steel sheet | |
| CN112179246A (en) | Thickness detection device for plane sander | |
| CN218455516U (en) | Novel torque detection device | |
| CN111204361A (en) | Rail visual inspection collection frame | |
| CN216207552U (en) | Reduction gear testboard convenient to speed is calculated | |
| CN217716366U (en) | Special roundness detection device for bearing | |
| CN210051458U (en) | Detection device of temperature sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |