CN114934427A - Roadbed pavement flatness detection equipment with automatic lubrication function - Google Patents
Roadbed pavement flatness detection equipment with automatic lubrication function Download PDFInfo
- Publication number
- CN114934427A CN114934427A CN202210693324.2A CN202210693324A CN114934427A CN 114934427 A CN114934427 A CN 114934427A CN 202210693324 A CN202210693324 A CN 202210693324A CN 114934427 A CN114934427 A CN 114934427A
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- Prior art keywords
- lubricating
- measuring wheel
- bin
- liquid outlet
- liquid
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000005461 lubrication Methods 0.000 title claims description 19
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 230000001050 lubricating effect Effects 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000001502 supplementing effect Effects 0.000 claims abstract 2
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 description 16
- 239000012530 fluid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
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- 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
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- 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
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/02—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with gravity feed or drip lubrication
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
-
- 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
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses roadbed pavement flatness detection equipment with an automatic lubricating function, wherein a measuring wheel is arranged in the middle of a machine body, a lubricating mechanism is arranged on one side of the measuring wheel and comprises a lubricating liquid bin, the lubricating liquid bin is fixed at the bottom of the machine body, a cavity structure is arranged in the lubricating liquid bin, a liquid outlet is formed in the bottom of one side of the lubricating liquid bin, one end of a liquid outlet pipe is inserted into the liquid outlet, the bottom of the liquid outlet pipe is obliquely arranged, the diameter of the bottom of the liquid outlet pipe is gradually reduced, the bottom of the liquid outlet pipe is opposite to a bearing part of the measuring wheel, and a liquid supplementing port is formed in the top of the lubricating liquid bin. By additionally arranging the lubricating mechanism, the bearing of the measuring wheel is automatically supplemented with oil within the working time of the measuring wheel, so that the measuring wheel can smoothly travel and rotate, the abrasion is reduced, the measuring accuracy is improved, and the service life of the measuring wheel is prolonged.
Description
Technical Field
The invention belongs to the technical field of pavement detection equipment, and particularly relates to roadbed pavement evenness detection equipment with an automatic lubricating function.
Background
The road surface flatness is one of the main technical indexes for evaluating the road surface quality, and is related to the safety and comfort of driving, the impact force on the road surface and the service life, the driving resistance can be increased by the uneven road surface, and the vehicle can generate additional vibration; the vibration can cause bumping, affect the speed and safety of driving, affect the stability of driving and the comfort of passengers, and simultaneously exert impact force on the road surface, thereby aggravating the damage of the road surface and automobile parts and the abrasion of tires and increasing the consumption of oil; therefore, in order to reduce the vibration impact force, improve the driving speed and improve the driving comfort and safety, the construction detection of the pavement evenness is an important means for ensuring the pavement quality.
The existing pavement evenness detection mainly comprises 3M ruler detection, a continuous evenness instrument, a laser evenness instrument and a vehicle-mounted jolt accumulator; the continuous flatness meter is an eight-wheel continuous flatness meter, and mainly measures the flatness data of a road surface by matching a measuring wheel with a force gathering sensor and a displacement sensor, and a conclusion is obtained through calculation;
however, with the increase of the working time of the measuring wheel, the worker is easy to neglect the lubrication and maintenance of the bearing part of the measuring wheel, so that the measuring wheel is easy to generate the phenomenon of clamping stagnation in the detection process, the measuring wheel does not rotate smoothly, and the intermittent direct friction with the ground causes the abrasion to be aggravated, thereby influencing the detection precision of the measuring wheel and further causing the service life of the measuring wheel to be shortened.
Disclosure of Invention
The invention aims to provide roadbed pavement flatness detection equipment with an automatic lubricating function, which solves the problems that as the working time of a measuring wheel is prolonged, workers easily neglect the lubrication and maintenance of a bearing part of the measuring wheel, so that the measuring wheel is easy to generate a clamping stagnation phenomenon in the detection process, the measuring wheel rotates unsmoothly, and the intermittent direct friction with the ground causes the abrasion to be aggravated, thereby influencing the detection precision of the measuring wheel and further shortening the service life of the measuring wheel.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a road bed road surface roughness worker check out test set with self-lubricate function, includes the organism, the middle part of organism is equipped with the survey wheel, one side of survey wheel is equipped with lubricated mechanism, lubricated mechanism installs on the organism, lubricated mechanism is used for lubricated bearing position of surveying the wheel.
Preferably, lubricating mechanism includes the lubricating fluid storehouse, the bottom at the organism is fixed in the lubricating fluid storehouse, the inside cavity structure that sets to in lubricating fluid storehouse, the liquid outlet has been seted up to one side bottom in lubricating fluid storehouse, the one end of drain pipe is being pegged graft in the liquid outlet, the bottom slope of drain pipe sets up, and the bottom diameter of drain pipe is the trend of progressively reducing, the bottom of drain pipe is just to the bearing position of survey wheel, the fluid infusion mouth has been seted up at the top in lubricating fluid storehouse.
Preferably, the middle part of the liquid outlet pipe is connected in series with an extrusion bin, the extrusion bin is composed of a transparent rubber bag, the liquid outlet pipe above the extrusion bin is connected with a one-way valve, and the one-way valve controls the lubricating liquid in the liquid outlet pipe to flow out only downwards.
Preferably, supports fixed at the bottom of the lubricating liquid bin are arranged on two sides of the extrusion bin, a pull rope is wound on the extrusion bin, hangers fixed on the machine body are arranged on two sides of the measuring wheel, two ends of the pull rope are sequentially connected to a connecting rod in a rotating manner after passing through the corresponding supports and hangers, and the connecting rod is in rolling contact with the surface of the measuring wheel; and a one-way valve is connected on the liquid outlet pipe below the extrusion bin.
Preferably, the top of the connecting rod is provided with a marking mechanism, the marking mechanism comprises a marking chamber, color ink is filled in the marking chamber, the bottom of the marking chamber is provided with an electromagnetic valve, and an outlet of the electromagnetic valve is opposite to the measuring wheel.
Preferably, two chambers are arranged in the marking chamber, yellow ink and green ink are filled in the two chambers respectively, two electromagnetic valves are correspondingly arranged, and outlets of the two electromagnetic valves correspond to edges on two sides of the measuring wheel respectively.
The invention has the technical effects and advantages that: compared with the prior art, the roadbed pavement flatness detection equipment with the automatic lubricating function has the following advantages:
1. the lubricating oil bin is supplemented with enough lubricating oil in advance, so that the lubricating oil flows out along the liquid outlet under the action of self weight in the running detection process of the measuring wheel and drops on the bearing through the liquid outlet pipe, the automatic lubrication of the bearing is realized, the measuring wheel runs smoothly, the probability of sliding friction is reduced, the local excessive wear of the measuring wheel is reduced, the measuring accuracy is improved on the side surface, and the service life of the measuring wheel is prolonged.
2. When the measuring wheel meets a part with a convex road surface, the measuring wheel moves upwards to extrude a connecting rod in rolling contact with the measuring wheel, the connecting rod moves to pull a pull rope connected with two ends of the connecting rod, the pull rope is wound on an extruding bin in a crossed mode and tightened when being pulled, the volume of the extruding bin is reduced, the pressure of lubricating liquid in the extruding bin is forced to be increased and then the lubricating liquid is sprayed out by overcoming the spring elasticity of a one-way valve, so that the intermittent lubrication of the bearing part of the measuring wheel is realized, the waste of the lubricating oil can be further reduced by the intermittent lubrication, compared with the continuous lubrication of a bearing, the technical scheme can automatically and intermittently perform the lubrication work only when the measuring wheel meets the convex road surface, the bearing is always in an unsaturated state, the lubricating oil is not easy to overflow, the lubrication effect can be continuous, the running of the measuring wheel is smoother, and the measuring precision is further improved.
3. According to the invention, the marking chamber is divided into two independent chambers, the road surface bulge and the road surface depression respectively correspond to the yellow ink and the green ink, and the control terminal can release the ink with the corresponding color according to the feedback data, so that the road surface with abnormal flatness belongs to the road surface bulge or the road surface depression can be visually displayed, and the follow-up repair work of workers is facilitated.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram according to an embodiment of the present invention.
Fig. 2 is a schematic front view of an embodiment of the present invention.
FIG. 3 is a schematic sectional view of a-A in FIG. 2 according to an embodiment of the present invention.
Fig. 4 is a schematic view of a portion of the structure shown in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a roadbed pavement flatness detection device with an automatic lubricating function as shown in figures 1-4,
including organism 1, the middle part of organism 1 is equipped with survey wheel 2, one side of surveying wheel 2 is equipped with lubricated mechanism 3, lubricated mechanism 3 is installed on organism 1, lubricated mechanism 3 is used for lubricated bearing position of surveying wheel 2. The measuring wheel 2 of the eight-wheel continuous flatness detector realizes the measurement of the road surface flatness through the combined action of the distance sensor and the displacement sensor, the specific working principle is the prior art, and the description is not repeated; with the increase of the working time of the measuring wheel 2, a worker easily neglects the lubrication and maintenance of the bearing part of the measuring wheel 2, so that the measuring wheel 2 is easy to generate the phenomenon of clamping stagnation in the detection process, the measuring wheel 2 rotates unsmoothly, and the intermittent direct friction with the ground causes the abrasion to be aggravated, thereby influencing the detection precision of the measuring wheel 2 and further causing the service life of the measuring wheel 2 to be shortened; so this application has add lubricated mechanism 3, to its bearing department automatic mend oil in survey wheel 2 operating time for survey wheel 2 can walk to rotate smoothly, and reducing wear, improvement measurement accuracy have also prolonged the life of survey wheel 2 simultaneously.
The middle part of drain pipe 33 is established ties there is extrusion storehouse 34, extrusion storehouse 34 comprises transparent rubber bag, be connected check valve 35 on the drain pipe 33 of extrusion storehouse 34 top, the lubricated liquid in the drain pipe 33 of check valve 35 control can only flow out downwards. Through the extrusion storehouse 34 that is provided with, on the one hand, because the play liquid speed of top is fast than the play liquid speed of below, consequently there is certain capacity lubricating oil in the extrusion storehouse 34 at middle part, thereby can directly see out the colour and the quality of inside lubricating oil, it takes place to reduce the inefficacy lubricating oil that misuse the dwell time overlength, the extrusion storehouse 34 of on the other hand rubber bag material can use here to fold as the benchmark after finishing using, it can to recycle the rope ligature, thereby shrink when the check out test set is out of work and reduce the volume.
The top of the connecting rod 39 is provided with a marking mechanism 4, the marking mechanism 4 comprises a marking chamber 41, the marking chamber 41 is filled with color ink, the bottom of the marking chamber 41 is provided with an electromagnetic valve 42, and the outlet of the electromagnetic valve 42 is opposite to the measuring wheel 2. When the distance sensor and the displacement sensor detect that the data are abnormal, the control terminal of the detection device records the data and controls the electromagnetic valve 42 to be opened for 1-2 seconds, the color ink in the marking chamber 41 is released, the color ink is dripped on the wheel surface of the measuring wheel 2 and then reflected on the ground, and therefore the ground with abnormal flatness is marked, and the follow-up staff can repair the ground conveniently.
Two chambers 43 are arranged in the marking chamber 41, yellow ink and green ink are respectively filled in the two chambers 43, two electromagnetic valves 42 are correspondingly arranged, and outlets of the two electromagnetic valves 42 respectively correspond to two side edges of the measuring wheel 2. Through dividing into two independent bins 43 with mark chamber 41, road surface arch, road surface are sunken to correspond yellow ink, green printing ink respectively, thereby control terminal can release the printing ink that corresponds the colour according to the data of feedback to make the unusual road surface of roughness belong to road surface arch or road surface is sunken can audio-visually appear, the staff's of being convenient for follow-up repair work.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a road bed road surface roughness worker check out test set with self-lubricate function, includes organism (1), its characterized in that: the middle part of organism (1) is equipped with survey wheel (2), one side of surveying wheel (2) is equipped with lubricated mechanism (3), install on organism (1) lubricated mechanism (3), lubricated mechanism (3) are used for lubricated bearing part of surveying wheel (2).
2. The roadbed pavement flatness detection equipment with the automatic lubricating function as claimed in claim 1, wherein: the lubricating mechanism (3) comprises a lubricating liquid bin (31), the lubricating liquid bin (31) is fixed at the bottom of the machine body (1), the interior of the lubricating liquid bin (31) is of a cavity structure, and a liquid outlet (32) is formed in the bottom of one side of the lubricating liquid bin (31);
one end of a liquid outlet pipe (33) is inserted into the liquid outlet (32), the bottom of the liquid outlet pipe (33) is obliquely arranged, the diameter of the bottom of the liquid outlet pipe (33) is gradually reduced, the bottom of the liquid outlet pipe (33) is opposite to the bearing part of the measuring wheel (2), and a liquid supplementing port is formed in the top of the lubricating liquid bin (31).
3. The roadbed road surface flatness detection equipment with the automatic lubrication function according to claim 2, characterized in that: the middle part of drain pipe (33) is established ties there is extrusion storehouse (34), extrusion storehouse (34) comprise transparent rubber bag, be connected check valve (35) on drain pipe (33) of extrusion storehouse (34) top, lubricated liquid in check valve (35) control drain pipe (33) can only flow out downwards.
4. The roadbed road surface flatness detection equipment with the automatic lubrication function, which is characterized in that: two sides of the extrusion bin (34) are provided with brackets (36) fixed at the bottom of the lubricating liquid bin (31), and a pull rope (37) is wound on the extrusion bin (34);
hangers (38) fixed on the machine body (1) are arranged on two sides of the measuring wheel (2), two ends of the pull rope (37) are connected to a connecting rod (39) in a rotating mode after passing through corresponding supports (36) and hangers (38) in sequence, and the connecting rod (39) is in rolling contact with the surface of the measuring wheel (2); a one-way valve (35) is connected on the liquid outlet pipe (33) below the extrusion bin (34).
5. The road-based pavement evenness tester with the automatic lubricating function according to claim 1 or 2, wherein: the top of connecting rod (39) is equipped with marking mechanism (4), marking mechanism (4) are including mark room (41), mark room (41) are fixed on organism (1), mark room (41) are filled with colored printing ink, the bottom of mark room (41) is provided with solenoid valve (42), the export of solenoid valve (42) is just to measuring wheel (2).
6. The roadbed road surface flatness detection equipment with the automatic lubrication function, which is characterized in that: two bins (43) are arranged in the marking chamber (41), yellow ink and green ink are filled in the two bins (43) respectively, two electromagnetic valves (42) are correspondingly arranged, and outlets of the two electromagnetic valves (42) correspond to edges of two sides of the measuring wheel (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210693324.2A CN114934427A (en) | 2022-06-17 | 2022-06-17 | Roadbed pavement flatness detection equipment with automatic lubrication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210693324.2A CN114934427A (en) | 2022-06-17 | 2022-06-17 | Roadbed pavement flatness detection equipment with automatic lubrication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114934427A true CN114934427A (en) | 2022-08-23 |
Family
ID=82868725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210693324.2A Pending CN114934427A (en) | 2022-06-17 | 2022-06-17 | Roadbed pavement flatness detection equipment with automatic lubrication function |
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| Country | Link |
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| CN (1) | CN114934427A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM524339U (en) * | 2015-12-25 | 2016-06-21 | China Steel Corp | Track inspection tool |
| CN208437760U (en) * | 2018-07-13 | 2019-01-29 | 重庆银浩铝业有限公司 | Quantitative cutter device is produced for aluminium skin |
| CN212509459U (en) * | 2020-06-28 | 2021-02-09 | 合肥翃道科技有限公司 | Dough roller mechanism with self-lubricating function |
| CN213142733U (en) * | 2020-07-04 | 2021-05-07 | 徐妙传 | Highway subgrade road surface roughness detection device |
| CN215857088U (en) * | 2021-08-16 | 2022-02-18 | 朱杰 | Highway roughness detection device |
| CN216445749U (en) * | 2021-11-18 | 2022-05-06 | 嘉兴市卓越交通建设检测有限公司 | Highway roughness check out test set |
| CN216480154U (en) * | 2021-09-13 | 2022-05-10 | 江苏骏马压路机械有限公司 | Through shaft type two-point support self-lubricating vibration mechanism of road roller |
-
2022
- 2022-06-17 CN CN202210693324.2A patent/CN114934427A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM524339U (en) * | 2015-12-25 | 2016-06-21 | China Steel Corp | Track inspection tool |
| CN208437760U (en) * | 2018-07-13 | 2019-01-29 | 重庆银浩铝业有限公司 | Quantitative cutter device is produced for aluminium skin |
| CN212509459U (en) * | 2020-06-28 | 2021-02-09 | 合肥翃道科技有限公司 | Dough roller mechanism with self-lubricating function |
| CN213142733U (en) * | 2020-07-04 | 2021-05-07 | 徐妙传 | Highway subgrade road surface roughness detection device |
| CN215857088U (en) * | 2021-08-16 | 2022-02-18 | 朱杰 | Highway roughness detection device |
| CN216480154U (en) * | 2021-09-13 | 2022-05-10 | 江苏骏马压路机械有限公司 | Through shaft type two-point support self-lubricating vibration mechanism of road roller |
| CN216445749U (en) * | 2021-11-18 | 2022-05-06 | 嘉兴市卓越交通建设检测有限公司 | Highway roughness check out test set |
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