CN113832814B - Sand paving device for depth calibration of sand paving method structure - Google Patents

Sand paving device for depth calibration of sand paving method structure Download PDF

Info

Publication number
CN113832814B
CN113832814B CN202111236051.0A CN202111236051A CN113832814B CN 113832814 B CN113832814 B CN 113832814B CN 202111236051 A CN202111236051 A CN 202111236051A CN 113832814 B CN113832814 B CN 113832814B
Authority
CN
China
Prior art keywords
sand
pushing plate
sand paving
rotating frame
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111236051.0A
Other languages
Chinese (zh)
Other versions
CN113832814A (en
Inventor
薛建成
程宏
姜涛
王荣荣
孙萌
王霑
李朴
陈凤娟
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.)
ZUNYI INSTITUTE OF PRODUCTS QUALITY INSPECTION AND TESTING
Zhengzhou Dongchen Science & Technology Co ltd
Original Assignee
ZUNYI INSTITUTE OF PRODUCTS QUALITY INSPECTION AND TESTING
Zhengzhou Dongchen Science & Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZUNYI INSTITUTE OF PRODUCTS QUALITY INSPECTION AND TESTING, Zhengzhou Dongchen Science & Technology Co ltd filed Critical ZUNYI INSTITUTE OF PRODUCTS QUALITY INSPECTION AND TESTING
Priority to CN202111236051.0A priority Critical patent/CN113832814B/en
Publication of CN113832814A publication Critical patent/CN113832814A/en
Application granted granted Critical
Publication of CN113832814B publication Critical patent/CN113832814B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4866Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/004Devices for guiding or controlling the machines along a predetermined path
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention relates to a sand paving device for depth calibration of a sand paving method structure, which is characterized in that: the sand paving device comprises a wind shield and a pushing plate with a round structure, wherein a rotating frame driven by a first driving mechanism is rotatably assembled on the wind shield, the first driving mechanism comprises a first motor in transmission connection with the rotating frame, the sand paving device further comprises a second driving mechanism for driving the pushing plate to move radially relative to the rotating frame, and the second driving mechanism comprises a second motor in transmission connection with the pushing plate. The invention provides a sand paving device for depth calibration, which can calibrate the quality of artificial sand paving.

Description

Sand paving device for depth calibration of sand paving method structure
Technical Field
The invention relates to a sand paving device for depth calibration, which is constructed by a sand paving method in the field of calibration verification.
Background
The road surface structure depth is mainly used for judging the roughness of the road surface, the most common road surface structure depth detection mode is a manual sand paving method, namely, a certain volume of sand is poured onto the road surface to be detected, then the sand is paved on the road surface to be detected by manually holding a pushing plate from the center to the periphery, the paved sand is round, and the structure depth of the road surface can be calculated according to the paving diameter of the paved sand.
That is, the amount of sand that is ultimately applied to the diameter of the circular area affects the final depth of construction calculation for the pavement. However, in the prior art, the manual sand spreading is affected by experience and operation proficiency of operators, the detection accuracy of the construction depth cannot be ensured, and a calibration device capable of calibrating the manual sand spreading process is needed.
Disclosure of Invention
The invention aims to provide a sand paving device for depth calibration of a sand paving method structure, which can calibrate the quality of artificial sand paving.
In order to solve the technical problems, the technical scheme in the invention is as follows:
the utility model provides a spread sand method structure sand paving device for degree of depth calibration, includes the flat board that pushes away of windshield and circular structure, rotates on the windshield and is equipped with the rotating turret of being driven by first actuating mechanism, and first actuating mechanism includes the first motor that is connected with the rotating turret transmission, and sand paving device still includes and is used for driving the second actuating mechanism that pushes away flat board relative rotating turret radial movement, second actuating mechanism include with push away the second motor that flat board transmission is connected.
The second motor is fixed on the rotating frame, the second driving mechanism comprises a push rod which is connected with the power output end of the second motor and can output radial linear motion, and the push plate is arranged at one end of the push rod, which is far away from the second motor.
A stay wire displacement sensor is arranged between the rotating frame and the pushing plate.
One side of the push plate is fixed with a radial shaft extending along the radial direction, the axis of the radial shaft is horizontally arranged, and the radial shaft is rotationally connected with the push rod through a bearing.
The rotating frame is provided with a radial guide rail, the pushing plate is assembled on the radial guide rail in a guiding manner, the rotating frame is rotationally connected with the windshield through a rotating shaft, the rotating shaft is a hollow shaft, the second driving mechanism comprises a central driving shaft, the central driving shaft penetrates through an inner hole of the hollow shaft, the central driving shaft is provided with a central driving wheel, one end, far away from the rotating shaft, of the rotating frame is provided with an edge driving wheel, the central driving wheel is in transmission connection with the edge driving wheel through a driving piece, the driving piece is a driving chain or a driving belt, and the pushing plate is connected with the driving piece.
The push plate is connected with the transmission piece through a connecting rod, and a stay wire displacement sensor which is arranged in parallel with the radial guide rail is arranged between the rotating frame and the connecting rod.
The beneficial effects of the invention are as follows: when the sand flattening device is used, the rotating frame drives the flattening plate to rotate around the rotating axis of the rotating frame, and meanwhile, the second driving mechanism can also drive the flattening plate to move radially relative to the rotating frame, so that the flattening plate can perform equidistant spiral line movement from inside to outside by taking the axis of the rotating frame as the center, and sand is flattened on a road surface in a circular shape. The sand is flattened on the road surface in a mechanical mode, and compared with manual flattening, the motion track of the flattening plate is more reliable, so that the manual paving is calibrated through the final paving diameter.
Drawings
FIG. 1 is a schematic view of a sand ring of the present invention after rotation of a first floating screed during use of the sand paving apparatus;
FIG. 2 is a schematic illustration of a first equidistant helical sand ring pushed flat by a push plate during use of the sand paving device of the present invention;
FIG. 3 is a schematic view of a second equidistant helical sand ring pushed flat by a pushing plate during use of the sand paving device according to the present invention;
FIG. 4 is a schematic view of a seventh equidistant spiral sand ring pushed flat by a pushing plate during use of the sand paving device according to the present invention;
FIG. 5 is a diagram of the trajectory of the sand ring produced during use of the sand paving apparatus of the present invention, and also of the circumferential tangent of the screed;
FIG. 6 is a schematic view showing the structure of example 1 of the sand paving apparatus according to the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view showing the state of the sand paving apparatus according to embodiment 1 of the sand paving apparatus according to the present invention when the pushing plate moves to the outer end of the radial rail;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view showing the structure of example 2 of the sand paving apparatus according to the present invention;
FIG. 11 is a top view of FIG. 10;
FIG. 12 is a schematic view showing a state where the pushing plate is moved to the edge of the sand ring in example 2 of the sand paving apparatus according to the present invention;
FIG. 13 is a top view of FIG. 12;
in the figure: 1. pushing the flat plate; 2. the sand ring formed in the first step; 3. a first equidistant spiral sand ring; 4. a second equidistant spiral sand ring; 5. seventh equidistant spiral sand rings; 6. the position where the sand ring contacts with the head-on of the pushing plate; 7. pushing the peripheral tangential position of the flat plate; 8. spiral sand ring track line; 9. the last two circles of sand circle track lines; 10. sand paving device; 11. a wind shield; 12. a rotating frame; 13. a pull wire displacement sensor; 14. a central driving wheel; 15. a central transmission shaft; 16. a rotating shaft; 17. a connecting rod; 18. a transmission member; 19. an edge driving wheel; 20. a radial guide rail; 21. a guide rail seat; 22. a first motor; 24, a step of detecting the position of the base; limiting and centering blocks; 25. a second motor; 26. a push rod; 27. a radial shaft; 28. and (3) a bearing.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1 of a sand paving device for depth calibration constructed by a sand paving method in the invention is shown in fig. 1 to 9:
the wind shield comprises a wind shield 11 with a downward opening and a pushing plate 1 with a circular structure, the bottom surface of the pushing plate 1 is a sand pushing plane, a rotating frame 12 with a rotating axis extending along the up-down direction and driven by a first driving mechanism is rotatably arranged on the lower side of the wind shield 11, a radial guide rail 20 is arranged on the rotating frame 12, the radial guide rail 20 consists of two guide rods which are arranged in parallel, the pushing plate is assembled on the radial guide rail in a guiding and moving way through a guide rail seat 21, a specific guide rail seat 21 is matched with the two guide rods in a guiding and moving way, and the pushing plate 1 is fixed at the lower end of the guide rail seat 21. The sand spreading device further comprises a second driving mechanism for driving the pushing plate to move along the radial direction of the rotating frame.
The rotating frame 12 is rotatably connected with the device bracket through a rotating shaft 16, the rotating shaft is vertically arranged, the rotating shaft 16 is a hollow shaft, and the first driving mechanism comprises a first motor for driving the rotating shaft to rotate.
The second driving mechanism comprises a central driving shaft 15, the central driving shaft 15 is arranged in an inner hole of the hollow shaft in a penetrating manner, a central driving wheel 14 is fixedly arranged on the central driving shaft 15, an edge driving wheel 19 is arranged at one end, far away from the rotating shaft 16, of the rotating frame 12, the axes of the central driving wheel 14 and the edge driving wheel 19 are respectively arranged in an extending manner along the up-down direction, the central driving wheel 14 and the edge driving wheel 19 are in driving connection through a driving piece 18, the driving piece 18 is a driving chain or a driving belt, the pushing plate 1 is connected with the driving piece through a connecting rod 17, the upper end of the specific connecting rod 17 is fixed on the driving piece 18, and a guide rail seat 21 is fixed at the lower end of the driving piece 18. A driving wheel bracket is fixed at one end of the radial guide rail far away from the rotating shaft 16, and an edge driving wheel 19 is rotatably assembled on the driving wheel bracket. A stay wire displacement sensor 13 is arranged between the rotating frame and the connecting rod, and the stay wire displacement sensor 13 is used for detecting the radial movement distance of the push plate. The second driving mechanism comprises a second motor in transmission connection with the central transmission shaft. The first motor and the second motor are both fixed on the windshield 11. The rotating frame comprises a vertical rod which is arranged in parallel with the hollow shaft, the vertical rod is positioned on one side of the hollow shaft, the upper end of the vertical rod is fixedly connected with the hollow shaft, and the radial guide rail is fixed at the lower end of the vertical rod. One end of the stay wire displacement sensor is fixed on the vertical rod, and the stay wire displacement sensor is arranged in parallel with the radial guide rail.
The specific calibration process is as follows:
the first step, empty certain volume of sand in the center of the road surface area of waiting to detect, the second step, use sand paving device 10 to pave to sand, sand paving device includes device support and pushing plate 1, pushing plate 1 is the circular plate, rotate on the device support and be equipped with by first actuating mechanism driven rotating frame 12, pushing plate 1 sets up on rotating frame 12, sand paving device still includes the second actuating mechanism that drives pushing plate along radial movement, sand paving device is to the process of paving of sand:
1) The first driving mechanism drives the pushing plate to rotate for three circles in the center of a pavement area to be detected, a protruding sand ring is formed at the edge position of the pushing plate, the protruding sand ring can be called as a sand ring 2 formed in the first step, and in the first step, the pushing plate rotates, so that the sand ring 2 formed in the first step is a circular sand ring;
2) Under the drive of the first driving mechanism and the second driving mechanism, the pushing plate gradually and outwards performs revolution motion of equidistant spiral lines by taking the center of a region to be detected as a starting point, the circle center motion track of the pushing plate 1 and the protruding sand ring track formed by the tangential position of the periphery of the pushing plate are in equidistant spiral line shapes, the pitch of the equidistant spiral lines is L, L is one third of the diameter of the pushing plate, and in the revolution motion process of the pushing plate, the sand ring contacted with the facing surface of the pushing plate is positioned at the outer side of the circle center track of the pushing plate and is used for pushing the facing sand ring of the pushing plate to the tangential position of the periphery of the pushing plate; as shown in fig. 2, item 3 represents a first circle of equidistant spiral sand rings, which is formed by performing one equidistant spiral movement on the pushing plate 1, and the purpose of the pushing plate is to push the seventh circle of equidistant spiral sand rings generated by the previous circle of movement when the pushing plate performs the next circle of equidistant spiral movement. As shown in fig. 4, the dashed dotted line represents an equidistant spiral sand ring generated during the sixth turn of the pushing plate, and item 5 represents an equidistant spiral sand ring generated during the seventh turn of the pushing plate, also called a seventh turn equidistant spiral sand ring, and when the pushing plate 1 performs the eighth turn of the motion, the position 6 where the seventh turn equidistant spiral sand ring 5 is in contact with the facing surface of the pushing plate is located outside the circle center locus of the pushing plate, so that the protruding sand ring is not pushed to the inner side of the pushing plate, but only to the circumferential tangential position 7 of the pushing plate, thereby forming a new equidistant spiral sand ring;
3) When the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the pushing plate is gradually reduced until all sand and the road surface are pushed to be flat into a circular area, and the last two circles of the revolution motion track of the pushing plate move circularly. The depth of construction of the road surface to be inspected is calculated from the diameter of the circular area.
And thirdly, calibrating the manual paving by comparing the diameter of the circular area with the paving diameter of the manual paving.
The sand in each area can be seen from the motion track of the pushing plate, the pushing plate can be pushed and flattened for three times at a constant speed, so that the sand can be fully filled in the structural holes on the pavement surface, when the generated protruding sand rings are pushed, the protruding sand rings can only move outwards to the peripheral tangential position along the head-on movement of the pushing plate, the protruding sand rings cannot be formed on the inner side of the pushing plate, the pushing operation of the sand can be completed through the equidistant spiral track of the pushing plate at one time, and the efficiency is higher.
In the actual working process, the rotating frame is provided with the pushing plate to revolve around the axis of the rotating shaft, the transmission piece can be provided with the pushing plate to move along the radial guide rail in the radial direction, so that the pushing plate can move along the equidistant spiral line track or the circle center track.
In the invention, the central transmission shaft and the rotating shaft are coaxially arranged, so that the arrangement of the second gear motor is convenient, and if the second gear motor is arranged on the rotating frame, the structure such as the conductive slip ring is required to be arranged in order to prevent the cables of the second gear motor from being twisted together in the process that the second gear motor rotates along with the rotating frame, and the structure is more complex, and the cost of the conductive slip ring is higher, and the failure rate is higher. According to the invention, through the arrangement of the central transmission shaft, the second gear motor does not need to be fixed on the rotating frame, the second gear motor can be directly fixed on the windshield, the second gear motor does not need to rotate, the arrangement is more convenient, and the transmission structure is more stable and reliable.
Example 2 of the sand paving apparatus is shown in fig. 10 to 13: embodiment 2 differs from embodiment 1 in that in this embodiment the second driving mechanism is provided on the turret, the second driving mechanism is an electric push rod comprising a second motor 25 fixed on the turret 12, the second driving mechanism comprises a push rod 26 connected to the power output end of the second motor and capable of outputting a radial linear motion, and the push plate 1 is mounted on the end of the push rod 26 remote from the second motor.
A stay wire displacement sensor 13 is arranged between the rotating frame 12 and the pushing plate.
A radial shaft 27 extending in the radial direction is fixed on one side of the push plate 1, the axis of the radial shaft 27 is horizontally arranged, and the radial shaft is rotationally connected with the push rod 26 through a bearing 28. When the rotary frame is used, the second motor rotates along with the rotary frame, and the push rod stretches and contracts to realize radial movement adjustment of the push plate 1 relative to the rotary frame. Item 24 in the figure indicates a limit centering block, the limit centering block 24 being fixed to the turret, the centre of a circle of the push plate being on the axis of rotation of the turret when the push plate moves radially towards the turret to stop with the limit centering block 4.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. A sand paving device for depth calibration of a sand paving method structure, which is characterized in that: the sand paving device comprises a wind shield and a pushing plate with a circular structure, a rotating frame driven by a first driving mechanism is rotatably arranged on the wind shield, the first driving mechanism comprises a first motor in transmission connection with the rotating frame, the sand paving device further comprises a second driving mechanism used for driving the pushing plate to radially move relative to the rotating frame, the second driving mechanism comprises a second motor in transmission connection with the pushing plate, a radial guide rail is arranged on the rotating frame, the pushing plate is assembled on the radial guide rail in a guiding manner, the rotating frame is rotatably connected with the wind shield through a rotating shaft, the rotating shaft is a hollow shaft, the second driving mechanism comprises a central transmission shaft, the central transmission shaft penetrates through an inner hole of the hollow shaft, a central transmission wheel is arranged on the central transmission shaft, an edge transmission wheel is arranged at one end, far away from the rotating shaft, of the central transmission wheel is in transmission connection with the edge transmission wheel through a transmission piece, the transmission piece is a transmission chain or a transmission belt, the pushing plate is connected with the transmission piece, and the first motor and the second motor are both fixed on the wind shield.
2. The sand paving apparatus of claim 1, wherein: the second motor is fixed on the rotating frame, the second driving mechanism comprises a push rod which is connected with the power output end of the second motor and can output radial linear motion, and the push plate is arranged at one end of the push rod, which is far away from the second motor.
3. The sand paving apparatus of claim 2, wherein: a stay wire displacement sensor is arranged between the rotating frame and the pushing plate.
4. The sand paving apparatus of claim 2, wherein: one side of the push plate is fixed with a radial shaft extending along the radial direction, the axis of the radial shaft is horizontally arranged, and the radial shaft is rotationally connected with the push rod through a bearing.
5. The sand paving apparatus of claim 1, wherein: the push plate is connected with the transmission piece through a connecting rod, and a stay wire displacement sensor which is arranged in parallel with the radial guide rail is arranged between the rotating frame and the connecting rod.
CN202111236051.0A 2021-10-22 2021-10-22 Sand paving device for depth calibration of sand paving method structure Active CN113832814B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111236051.0A CN113832814B (en) 2021-10-22 2021-10-22 Sand paving device for depth calibration of sand paving method structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111236051.0A CN113832814B (en) 2021-10-22 2021-10-22 Sand paving device for depth calibration of sand paving method structure

Publications (2)

Publication Number Publication Date
CN113832814A CN113832814A (en) 2021-12-24
CN113832814B true CN113832814B (en) 2023-05-12

Family

ID=78966031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111236051.0A Active CN113832814B (en) 2021-10-22 2021-10-22 Sand paving device for depth calibration of sand paving method structure

Country Status (1)

Country Link
CN (1) CN113832814B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026286B (en) * 2022-06-15 2023-07-14 圣航粉末冶金河北有限公司 Die feeding tool for alloy powder forging and pressing
CN115058948A (en) * 2022-07-12 2022-09-16 华运通达(广东)道路科技有限公司 Low-error rotary sand laying instrument and measuring method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208802452U (en) * 2018-07-10 2019-04-30 江西源丰有色金属有限公司 A kind of transmission belt conveying device recycling waste and old lead acid accumulator
CN112943679A (en) * 2020-09-11 2021-06-11 佛山市创联科技有限公司 Rotating shaft transmission structure, air compression device, fan, cutting machine and airplane blade

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102983050A (en) * 2011-09-06 2013-03-20 上海凯世通半导体有限公司 Ion injection device
CN202416137U (en) * 2011-12-31 2012-09-05 长安大学 Electric leveling plate
JP6145970B2 (en) * 2012-06-28 2017-06-14 株式会社大林組 Surface roughness measuring device and measuring method
CN204177353U (en) * 2014-10-31 2015-02-25 长安大学 A kind of asphalt surface texture depth tester
CN211824347U (en) * 2020-05-17 2020-10-30 山西省交通建设工程质量检测中心(有限公司) Automatic detection device for pavement structure depth
CN216551474U (en) * 2021-10-22 2022-05-17 郑州东辰科技有限公司 Sand spreading device for calibrating structural depth by sand spreading method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208802452U (en) * 2018-07-10 2019-04-30 江西源丰有色金属有限公司 A kind of transmission belt conveying device recycling waste and old lead acid accumulator
CN112943679A (en) * 2020-09-11 2021-06-11 佛山市创联科技有限公司 Rotating shaft transmission structure, air compression device, fan, cutting machine and airplane blade

Also Published As

Publication number Publication date
CN113832814A (en) 2021-12-24

Similar Documents

Publication Publication Date Title
CN113832814B (en) Sand paving device for depth calibration of sand paving method structure
CN108612353A (en) A kind of mechanical device of auxiliary Vehicular turn
CN218566899U (en) Bearing vibration detection device
CN216551474U (en) Sand spreading device for calibrating structural depth by sand spreading method
CN109211054A (en) Monitor station suitable for the assembly of ultra-large type pivoting support automatic precision
CN102967446A (en) LED (Light Emitting Diode) performance test box, calibrating method and performance test method
CN110980587A (en) Wheel hub jacking and rotating device
KR100579086B1 (en) Gap measurement device of inner ring and outter ring of wheel bearing for vehicle
CN209512784U (en) Product gluing detection device
CN214883933U (en) Pile foundation strain detection device
CN114001700A (en) Detection method and calibration method for construction depth by sand-laying method
CN214196164U (en) Top drive and top drive rotation angle measuring device
CN112268494B (en) Wheel hub roundness detection equipment with protection device
JP2011184035A (en) Tire mounter
CN107931570A (en) A kind of cast welding machine automatic indexing slewing equipment
CN204439021U (en) Wheel hub automatic sizing device
CN114111559A (en) Automobile wheel hub local correction restoration optimization system
CN208801366U (en) The green tyres grabbing device cooperated with robot
CN113695760A (en) Multi-station rotation device for laser cutting of glass bottles and working method thereof
CN113003160A (en) Automatic rotatory loading attachment
CN212512974U (en) Asphalt pavement depth detection device
CN219552181U (en) Slump testing arrangement
CN207649614U (en) A kind of total powerstation quick centring leveling holder
CN203696039U (en) Automatic drill reset device
CN213812685U (en) Full-automatic carbon brush resilience force detection device for micro-motor end cover assembly

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