CN113832814A - Sand spreading device for calibrating structural depth by sand spreading method - Google Patents

Sand spreading device for calibrating structural depth by sand spreading method Download PDF

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Publication number
CN113832814A
CN113832814A CN202111236051.0A CN202111236051A CN113832814A CN 113832814 A CN113832814 A CN 113832814A CN 202111236051 A CN202111236051 A CN 202111236051A CN 113832814 A CN113832814 A CN 113832814A
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CN
China
Prior art keywords
sand
push
transmission
flat plate
shaft
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Granted
Application number
CN202111236051.0A
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Chinese (zh)
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CN113832814B (en
Inventor
薛建成
程宏
姜涛
王荣荣
孙萌
王霑
李朴
陈凤娟
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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
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Priority to CN202111236051.0A priority Critical patent/CN113832814B/en
Publication of CN113832814A publication Critical patent/CN113832814A/en
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Publication of CN113832814B publication Critical patent/CN113832814B/en
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    • 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

Abstract

The invention relates to a sand paving device for calibrating the structural depth by a sand paving method, which is characterized in that: the sand paving device comprises a wind shield and a push flat plate with a circular 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 connected with the rotating frame in a transmission manner, the sand paving device further comprises a second driving mechanism used for driving the push flat plate to move radially relative to the rotating frame, and the second driving mechanism comprises a second motor connected with the push flat plate in a transmission manner. The invention provides a sand paving device for calibrating the structural depth of a sand paving method, which can calibrate the quality of manual sand paving.

Description

Sand spreading device for calibrating structural depth by sand spreading method
Technical Field
The invention relates to a sand paving device for calibrating the structural depth by a sand paving method in the field of calibration and calibration.
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 method is a manual sand laying method, namely sand with a certain volume is poured on the road surface to be detected, then a pushing plate is manually held from the center to the periphery to lay the sand on the road surface to be detected, the laid sand is circular, and the road surface structure depth can be calculated according to the laying diameter of the laid sand.
That is, how much sand is ultimately spread out to the diameter of the circular area, affects the calculated depth of the final formation of the pavement. However, in the prior art, the manual sand paving process is affected by the experience and the operation proficiency of operators, the detection precision of the construction depth cannot be guaranteed, and a calibration device capable of calibrating the manual sand paving process is needed.
Disclosure of Invention
The invention aims to provide a sand paving device for calibrating the structural depth of a sand paving method, which can calibrate the quality of manual sand paving.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the sand paving device comprises a wind shield and a push flat plate of a circular 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 used for driving the push flat plate to radially move relative to the rotating frame, and the second driving mechanism comprises a second motor in transmission connection with the push flat plate.
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 flat plate is arranged at one end, far away from the second motor, of the push rod.
A stay wire displacement sensor is arranged between the rotating frame and the push flat 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 rotary frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotary frame is rotatably connected with the windshield through a rotary shaft, the rotary 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, one end, far away from the rotary shaft, of the rotary frame is provided with an edge transmission wheel, 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, and the push flat plate is connected with the transmission piece.
The push plate is connected with the transmission part through a connecting rod, and a stay wire displacement sensor arranged in parallel with the radial guide rail is arranged between the rotating frame and the connecting rod.
The invention has the beneficial effects that: during the use, the rotating turret drives and pushes away the rotation of planomural around the axis of rotation of rotating turret, and second actuating mechanism can also drive and push away the planomural radial movement of planomural relative to the rotating turret, pushes away the dull and stereotyped like this and can carry out equidistance helix motion from inside to outside taking the rotating turret axis as the center to with the sand with circular shakeouts on the road surface. Sand is shakeout on the road surface through the mechanical means, compares the manpower and pushes away the flat view, and the motion trail of pushing away the flat board is more reliable, consequently calibrates the manual work and paves through the diameter of finally paving.
Drawings
Fig. 1 is a schematic view of a sand circle after rotation of a first walking push flat plate during use of the sand paving device of the present invention;
FIG. 2 is a schematic illustration of a first equidistant helical coil of sand being flattened by a flattening plate during use of the sand paving apparatus of the present invention;
FIG. 3 is a schematic illustration of a second equidistant helical coil of sand being flattened by the flattening plate during use of the sand paving apparatus of the present invention;
FIG. 4 is a schematic illustration of a seventh equidistant helical coil of sand being flattened by the flattening plate during use of the sand paving apparatus of the present invention;
FIG. 5 is a trace plot of a sand ring produced during use of the sand paving apparatus of the present invention, and also of a tangent to the perimeter of the screed plate;
fig. 6 is a schematic structural view of embodiment 1 of the sand paving apparatus of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view of the sand paving apparatus as the push plate moves to the outer end of the radial guide in embodiment 1 of the sand paving apparatus of the present invention;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic structural view of embodiment 2 of the sand paving apparatus of the present invention;
FIG. 11 is a top view of FIG. 10;
fig. 12 is a schematic view of a sand paving apparatus according to embodiment 2 of the present invention in which the screed is moved to the edge of the sand hoop;
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 circle of equidistant spiral wire sand circles; 4. a second circle of equidistant spiral wire sand circles; 5. a seventh circle of equidistant spiral wire sand circles; 6. the sand ring is in contact with the head-on surface of the push flat plate; 7. pushing the peripheral tangent position of the flat plate; 8. a spiral wire coil trajectory; 9. the last two circles of the sand circle trajectory; 10. a sand paving device; 11. a windshield; 12. a rotating frame; 13. a pull wire displacement sensor; 14. a central transmission wheel; 15. a central drive shaft; 16. a rotating shaft; 17. a connecting rod; 18. a transmission member; 19. an edge transmission wheel; 20. a radial guide rail; 21. a guide rail seat; 22. a first motor; 24; a limiting centering block; 25. a second motor; 26. a push rod; 27. a radial axis; 28. and a bearing.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. 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.
It is to be noted that, 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.
An embodiment 1 of a sand spreading device for calibrating the structural depth by a sand-spreading method according to the present invention is shown in fig. 1 to 9:
including the fender cover 11 and the push flat plate 1 of circular structure that the opening is down, push flat plate 1's bottom surface is for pushing away the husky plane, 11 downside rotations of fender cover are equipped with the rotating turret 12 that the axis of rotation extends along upper and lower direction by the drive of first actuating mechanism, be provided with radial guide 20 on the rotating turret 12, radial guide 20 comprises two guide arms of arranging side by side, push flat plate passes through guide rail seat 21 guide removal and assembles on radial guide, specific guide rail seat 21 and two guide arm guide removal cooperations, push flat plate 1 is fixed in the lower extreme of guide rail seat 21. The sand paving apparatus further comprises a second drive mechanism for driving the push plate to move radially along the turret.
The rotating frame 12 is rotatably connected with the device support 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 transmission shaft 15, the central transmission shaft 15 is arranged in an inner hole of the hollow shaft in a penetrating mode, a central transmission wheel 14 is fixedly arranged on the central transmission shaft 15, an edge transmission wheel 19 is arranged at one end, far away from a rotating shaft 16, of the rotating frame 12, the axis of the central transmission wheel 14 and the axis of the edge transmission wheel 19 are arranged in an extending mode in the up-and-down direction, the central transmission wheel 14 and the edge transmission wheel 19 are in transmission connection through a transmission piece 18, the transmission piece 18 is a transmission chain or a transmission belt, the push plate 1 is connected with the transmission piece through a connecting rod 17, the upper end of the connecting rod 17 is fixed on the transmission piece 18, and the guide rail seat 21 is fixed at the lower end of the transmission piece 18. The end of the radial guide rail remote from the rotating shaft 16 is fixed with a driving wheel bracket, and the 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 vertical rods arranged in parallel with the hollow shaft, the vertical rods are located on one side of the hollow shaft, the upper ends of the vertical rods are fixedly connected with the hollow shaft, and the radial guide rails are fixed at the lower ends of the vertical rods. One end of the stay wire displacement sensor is fixed on the vertical rod, and the stay wire displacement sensor and the radial guide rail are arranged in parallel.
The specific calibration process is as follows:
first step, empty the sand of certain volume in the road surface and wait the center of detecting the region, the second is stepped, uses sand paving device 10 to pave the sand, and sand paving device includes the device support and pushes away dull and stereotyped 1, pushes away dull and stereotyped 1 and be the circular slab, and the device support is gone up to rotate to be equipped with by first actuating mechanism driven rotating turret 12, pushes away dull and stereotyped 1 and sets up on rotating turret 12, and sand paving device still pushes away dull and stereotyped along radial removal's second actuating mechanism including the drive, and sand paving device does to the process of paving of sand:
1) the first driving mechanism drives the push plate to rotate for three circles at the center of the area to be detected on the road surface, a protruding sand ring is formed at the edge position of the push plate, the protruding sand ring can be called a sand ring 2 formed in the first step, and the push plate rotates in the first step, 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 push flat plate gradually performs revolution motion of an equidistant spiral line outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate 1 and the protruded sand circle track formed at the peripheral tangent position of the push flat plate are both in the shape of an equidistant spiral line, the pitch of the equidistant spiral line is L, and L is one third of the diameter of the push flat plate; as shown in fig. 2, item 3 represents a first equidistant spiral wire sand loop, which is formed by one equidistant spiral motion of the pushing plate 1, and when the pushing plate performs the next equidistant spiral motion, the purpose is to push the seventh equidistant spiral wire sand loop generated by the previous motion. As shown in fig. 4, the chain line in the drawing indicates an equidistant spiral wire sand loop generated when the push plate moves for the sixth circle, item 5 indicates an equidistant spiral wire sand loop generated when the push plate moves for the seventh circle, also called seventh equidistant spiral wire sand loop, when the baffle push plate 1 moves for the eighth circle, the position 6 where the seventh equidistant spiral wire sand loop 5 contacts with the push plate head-on surface is positioned at the outer side of the circle center track of the push plate, so that the protruded sand loop is not pushed to the inner side of the push plate, but is pushed to the peripheral tangent position 7 of the push plate, thereby forming a new equidistant spiral wire sand loop;
3) when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the push flat plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and the last two circles of the revolution motion track of the push flat plate are in circular motion. And calculating the construction depth of the detected road surface according to the diameter of the circular area.
And thirdly, calibrating the artificial paving by comparing the diameter of the circular area with the paving diameter of the artificial paving.
Can see out by the motion trail of pushing flat board, the sand in every region, pushing flat board all can push flat the cubic at the uniform velocity to guaranteed that the sand can be abundant fill up the hole that constructs on road surface, and pushing flat the outstanding husky circle that produces, outstanding husky circle only can be surveyed along pushing flat the head-on and remove outwards to periphery tangent line position, can not form outstanding husky circle at the inboard of pushing flat board, thereby guarantee to push flat the operation of pushing flat of board equidistance spiral line orbit just can be accomplished to the sand, efficiency is higher.
In the actual working process, the rotating frame drives the pushing flat plate to revolve around the axis of the rotating shaft, the transmission piece can drive the pushing flat plate to move along the radial direction of the guide rail, so that the pushing flat plate can move along the equidistant spiral line track or along the circle center track, when the pushing flat plate moves to the position right below the rotating shaft, the pushing flat plate and the rotating shaft are arranged coaxially, at the moment, when the rotating frame rotates, the rotating frame equivalently rotates, and the first-step operation can be completed.
In the invention, the central transmission shaft and the rotating shaft are arranged coaxially, so that the arrangement of the second speed reducing motor is convenient, and if the second speed reducing motor is arranged on the rotating frame, in order to avoid that the cables of the second speed reducing motor are twisted together in the rotating process of the second speed reducing motor along with the rotating frame, structures such as a conductive sliding ring and the like need to be arranged, the structure is more complicated, the cost of the conductive sliding ring is higher, and the failure rate is higher. According to the invention, through the arrangement of the central transmission shaft, the second speed reducing motor does not need to be fixed on the rotating frame, the second speed reducing motor can be directly fixed on the wind shield, and the second speed reducing motor does not need to rotate, so that the arrangement is more convenient, and the transmission structure is more stable and reliable.
Example 2 of a sand paving apparatus is shown in FIGS. 10-13: embodiment 2 is different from embodiment 1 in that the second driving mechanism is disposed on the rotating frame, the second driving mechanism is an electric push rod, and includes a second motor 25 fixed on the rotating frame 12, the second driving mechanism includes a push rod 26 connected to a power output end of the second motor and capable of outputting radial linear motion, and the leveling plate 1 is mounted at an end of the push rod 26 away from the second motor.
A stay wire displacement sensor 13 is arranged between the rotating frame 12 and the push flat plate.
A radial shaft 27 extending along 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 device is used, the second motor rotates along with the rotating frame, and the push rod stretches and retracts to realize radial movement adjustment of the push plate 1 relative to the rotating frame. Item 24 in the figure represents a limit centering block, the limit centering block 24 is fixed on the rotating frame, and when the push flat plate moves towards the rotating frame along the radial direction to be blocked with the limit centering block 4, the circle center of the push flat plate is positioned on the rotating axis of the rotating frame.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a sand device that paves for calibration of sand method structure depth which characterized in that: the sand paving device comprises a wind shield and a push flat plate with a circular 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 connected with the rotating frame in a transmission manner, the sand paving device further comprises a second driving mechanism used for driving the push flat plate to move radially relative to the rotating frame, and the second driving mechanism comprises a second motor connected with the push flat plate in a transmission manner.
2. A sand paving apparatus as defined in 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 flat plate is arranged at one end, far away from the second motor, of the push rod.
3. A sand paving apparatus as defined in claim 2, wherein: a stay wire displacement sensor is arranged between the rotating frame and the push flat plate.
4. A sand paving apparatus as defined in 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. A sand paving apparatus as defined in claim 1, wherein: the rotary frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotary frame is rotatably connected with the windshield through a rotary shaft, the rotary 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, one end, far away from the rotary shaft, of the rotary frame is provided with an edge transmission wheel, 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, and the push flat plate is connected with the transmission piece.
6. A sand paving apparatus as claimed in claim 5, wherein: the push plate is connected with the transmission part through a connecting rod, and a stay wire displacement sensor 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)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026286A (en) * 2022-06-15 2022-09-09 安徽和丰硬质合金有限公司 Alloy powder forging and pressing is mould material loading frock for processing
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202416137U (en) * 2011-12-31 2012-09-05 长安大学 Electric leveling plate
CN102983050A (en) * 2011-09-06 2013-03-20 上海凯世通半导体有限公司 Ion injection device
JP2014010001A (en) * 2012-06-28 2014-01-20 Ohbayashi Corp Surface roughness measurement device and method
CN204177353U (en) * 2014-10-31 2015-02-25 长安大学 A kind of asphalt surface texture depth tester
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
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
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
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 (8)

* 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
JP2014010001A (en) * 2012-06-28 2014-01-20 Ohbayashi Corp Surface roughness measurement device and method
CN204177353U (en) * 2014-10-31 2015-02-25 长安大学 A kind of asphalt surface texture depth tester
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
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
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026286A (en) * 2022-06-15 2022-09-09 安徽和丰硬质合金有限公司 Alloy powder forging and pressing is mould material loading frock for processing
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

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