CN207159981U - A kind of cart type dynamic driving instrument - Google Patents
A kind of cart type dynamic driving instrument Download PDFInfo
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- CN207159981U CN207159981U CN201721094741.6U CN201721094741U CN207159981U CN 207159981 U CN207159981 U CN 207159981U CN 201721094741 U CN201721094741 U CN 201721094741U CN 207159981 U CN207159981 U CN 207159981U
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- dynamic driving
- driving instrument
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Abstract
A kind of cart type dynamic driving instrument, belongs to testing equipment field for building.It is characterized in that including dynamic driving instrument body, the dynamic driving instrument body includes dropping hammer, guide rod, shaft coupling, feeler lever and conehead；Described to drop hammer positioned at the top of guide rod, guide rod connects the upper end of feeler lever, the lower end connection conehead of feeler lever by shaft coupling；The plate that drops hammer can insert in plate annular groove under the drive of elastic tension apparatus and drive synchronous rising of dropping hammer；When the plate that drops hammer is deviate from from plate annular groove, drop hammer and do the movement of falling object.It is more laborsaving convenient that the utility model makes detection operation and equipment move, and Data Detection is accurately and reliably；In addition, the type of drive manual and electric of the present apparatus, is suitably used under a variety of environmental conditions out of doors.
Description
Technical field
The utility model belongs to testing equipment field for building, and in particular to a kind of cart type dynamic driving instrument.
Background technology
Power cone penetrometer is mainly used in fast-field evaluation or assesses inorganic binder roadbed, the intensity on road surface.At present
For determining the power of subgrade and pavement modulus of resilience cone penetrometer, it is 8kg or 10kg that standard, which falls to bore quality, needs one in test
The hand steered instrument handle of people, feeler lever is set to keep vertical.One people, which lifts, to drop hammer to guide rod top, and release is allowed to be in freely to fall after dropping hammer
Body state falls, if inclination is larger, the fall trajectory for causing to drop hammer not is freely falling body, then the experimental tests should discard.From inspection
From the point of view of survey process, there is the shortcomings that wasting time and energy in existing equipment, additionally, there may be experiment process personal safety in actual use
Hidden danger；Simultaneously operation quality influenceed by the experience and fineness of laboratory technician, easily occur Test Data Collecting it is not accurate enough or
Test the phenomenon reformed, to ultimately result in gathered data can not reliable and detection operation efficiency it is low the problem of.
In view of existing detection device has problem above, therefore applicant makes on the basis of original structure and is easy to practicality
Improve, drawbacks described above can be overcome, suitably in the industry cycle popularized.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of cart type dynamic driving instrument, make detection operation and
Equipment movement is more laborsaving convenient, and Data Detection is accurately and reliably；In addition, the type of drive manual and electric of the present apparatus, suitably
Used out of doors under a variety of environmental conditions.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of cart type dynamic driving instrument is provided,
Including dynamic driving instrument body, the dynamic driving instrument body includes dropping hammer, guide rod, shaft coupling, feeler lever and conehead；It is described fall
For hammer positioned at the top of guide rod, guide rod connects the upper end of feeler lever, the lower end connection conehead of feeler lever by shaft coupling；
It is characterized in that：Dropped hammer guide rod in the coaxially connected fixation in top of dropping hammer；
Also include vehicle frame, the vehicle frame includes upper mounting plate and lower installation board, passes through more than two between upper and lower installing plate
Support post be connected；The pilot hole that drops hammer is opened up on upper mounting plate, the guide rod that drops hammer is arranged in the pilot hole that drops hammer,
Dropping hammer guide rod can be along the pilot hole vertical lift that drops hammer；Feeler lever pilot hole is opened up on lower installation board, the feeler lever is arranged on spy
In bar pilot hole；
Also include dropping hammer drive device, the drive device of dropping hammer include sprocket wheel mounting bracket, drive sprocket, driven sprocket,
Driving chain, driving sliding block and slider waveguide rod；The drive sprocket and driven sprocket are fixedly mounted on car by sprocket wheel mounting bracket
On frame；The both ends of slider waveguide rod are fastened on upper and lower installing plate respectively；The driving chain stall is mounted in drive sprocket
On driven sprocket, drive sprocket can drive driving chain to be rotated around drive sprocket and driven sprocket；The driving sliding block
On open up slide opening, driving sliding block is sleeved on slider waveguide rod by slide opening；The driving sliding block is passed by being oriented to connector connection
Dynamic chain, when driving chain rotates, driving sliding block can be driven to be moved back and forth along slider waveguide rod；
The guided connector includes sleeve and loop bar, and the sleeve is fixed on driving sliding block, one end inserting of loop bar
It can move back and forth in sleeve and along the interior bar hole of sleeve, the other end handing-over driving chain of loop bar；
Also include the plate that drops hammer, open up inserting plate hole on the plate that drops hammer, the plate that drops hammer is sleeved on sliding block by inserting plate hole
On guide rod；The plate that drops hammer connects driving sliding block by elastic tension apparatus and can drive synchronizing moving by driving sliding block；Elasticity is drawn
The tight device plate that will drop hammer tenses to dynamic driving instrument body direction；In slider waveguide rod back to the upper of dynamic driving instrument body side
End sets wedge；Some plate annular grooves are opened up on dropping hammer；When the plate that drops hammer moves up along drive leader, drop hammer slotting
Plate can insert in plate annular groove under the drive of elastic tension apparatus and drive synchronous rising of dropping hammer；Until the plate that drops hammer is upward
When being moved to slider waveguide rod upper end, the further pulling force plate that will drop hammer of device of the elasticity that wedge overcomes jacks up laterally, drops hammer slotting
Plate is deviate from from plate annular groove, drops hammer and now does the movement of falling object；
Also include walking wheel body, the road wheel body can be mounted in drive sprocket or driven chain extracing driving chain rear enclosure
On wheel.
Preferably, the elastic tension apparatus include upper fixed column, lower fixed column and extension spring, and fixed post is arranged on
Drop hammer on plate, lower fixed column is arranged on driving sliding block；Upper and lower fixed column is connected by extension spring.
Preferably, hoop is set with feeler lever, the periphery of the hoop is set to be consolidated with support post quantity identical
Determine sleeve；The fixes sleeve is sleeved on support post, and can be slided up and down along support post.
Preferably, the drive sprocket connection manual rocking handle or motor, manually rocking handle or motor can drive actively
Sprocket wheel rotates.
Preferably, in addition to scale, scale jack is opened up on lower installation board, the scale is inserted into scale jack
In；Jam-packed screwed hole is opened up on lower installation board, the jam-packed screwed hole is connected with scale jack, set in jam-packed screwed hole
Jam-packed screw is put, rotation jam-packed screw being capable of jam-packed and position of the Position Scale in scale jack.
Preferably, in addition to level meter, the level meter are arranged on lower installation board or upper mounting plate.
Preferably, in addition to levelling shoe, the quantity of the levelling shoe is more than three；Levelling shoe is arranged on lower peace
The bottom of loading board.
Preferably, in addition to stablize Weight plate, opened up and levelling shoe quantity and position correspondence on the stable Weight plate
Leg jack；The vehicle frame can make levelling shoe be inserted vertically into respectively in corresponding leg jack when being located at job state；
Balancing weight is set in the stable Weight plate.
Preferably, auto-counter is set on wedge or shaft coupling, the auto-counter can automatic gauge fall
Hammer number into shape.
Preferably, the vehicle frame also includes stow-away arm rest, car body support frame and tool box, and the stow-away arm rest passes through handrail
Be hinged installation axle is arranged on vehicle frame；The car body support frame and tool box are arranged on vehicle frame.
Compared with prior art, the beneficial effects of the utility model are：
1st, because the power cone penetrometer of traditional design carries inconvenience in detection process at the scene, the standard drop hammer quality is
8kg or 10kg, is changed to cart type, can be more convenient and strength-saving.
2. overcoming equipment during experiment that inclination is unstable to be present, levelling shoe is set and stablizes Weight plate, can
The tilt problem for effectively avoiding it from occurring during experiment.
3. one can carry out detection experiment using the present apparatus, remove the process of the hand steered instrument handle of a people from, avoid detecting
During personnel unexpected injury.
4. connecting auto-counter on wedge or shaft coupling, blow counts can be shown automatically, avoid artificial counting fallibility
Situation occur.
Vehicle frame is holded up 5. drive chain to rotate with the mode of motor or manual rocking handle, during experiment, and passes through levelling shoe
It is levelling, penetrometer body is installed in assigned position, connects driving chain, motor is started during experiment or rotation manual is shaken
Handle can drive chain to rotate, and be repeatedly lifted up and free-falling so as to make dropping hammer, and realization lifts instead of a people drops hammer to guide rod
Top, then unclamp, be allowed to the manual step in freely falling body, reduce labor intensity as far as possible, and can ensure to drop hammer
Perpendicularity, make data acquisition accurately reliable.
Brief description of the drawings
Fig. 1 is the structural representation of dynamic driving instrument body（Drop hammer down when dropping down onto lower limit）；
Fig. 2 is the structural representation of dynamic driving instrument body（During propradation of dropping hammer）；
Fig. 3 is the structural representation of the utility model embodiment one（Manual rocking handle type）；
Fig. 4 is Fig. 3 top view（Without stow-away arm rest）；
Fig. 5 be drop hammer plate, driving sliding block and slider waveguide rod mounting structure schematic diagram；
Fig. 6 is drop hammer plate and the positional structure schematic diagram dropped hammer（Drop hammer in raised state）；
Fig. 7 is drop hammer plate and the positional structure schematic diagram dropped hammer（Drop hammer in free falling body state）；
Fig. 8 is the structural representation of counter weight base；
Fig. 9 is the structural representation of the utility model embodiment two（Motor driving type）；
Figure 10 is Fig. 9 top view（Without stow-away arm rest）；
In figure：
1st, drop hammer guide rod；2nd, plate annular groove；3rd, drop hammer；4th, guide rod；5th, shaft coupling；6th, fixes sleeve；7th, hoop；
8th, feeler lever；9th, conehead；10th, upper mounting plate；11st, scale；12nd, support post；13rd, scale jack；14th, jam-packed screw；15th, lower peace
Loading board；16th, level meter；17th, levelling shoe；18th, stable Weight plate；19th, manual rocking handle；20th, road wheel；21st, drive sprocket；
22nd, slider waveguide rod；23rd, sliding block is driven；24th, sleeve；25th, loop bar；26th, driving chain；27th, wedge；28th, driven sprocket；29、
Car body support frame；30th, sprocket wheel mounting bracket；31st, stow-away arm rest；32nd, drop hammer plate；33rd, drop hammer pilot hole；34th, lower fixed column；
35th, extension spring；36th, upper fixed column；37th, motor.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, a kind of cart type dynamic driving instrument described in the utility model, including dynamic driving instrument sheet
Body, dynamic driving instrument body includes dropping hammer, guide rod, shaft coupling, feeler lever and conehead, described to drop hammer positioned at the top of guide rod,
The guide rod connects the upper end of feeler lever, the lower end connection conehead of feeler lever by shaft coupling.
As shown in Figures 3 and 4, dropped hammer guide rod in the coaxially connected fixation in top of dropping hammer；Also include vehicle frame, the vehicle frame includes upper
Installing plate and lower installation board, it is connected by the support post of more than two between upper and lower installing plate；Opened on upper mounting plate
If dropping hammer pilot hole, the guide rod that drops hammer is arranged in the pilot hole that drops hammer, and the guide rod that drops hammer can be along the pilot hole vertical lift that drops hammer；
Feeler lever pilot hole is opened up on lower installation board, the feeler lever is arranged in feeler lever pilot hole.
Also include dropping hammer drive device, the drive device of dropping hammer include sprocket wheel mounting bracket, drive sprocket, driven sprocket,
Driving chain, driving sliding block and slider waveguide rod；The drive sprocket and driven sprocket are fixedly mounted on car by sprocket wheel mounting bracket
On frame；The both ends of slider waveguide rod are fastened on upper and lower installing plate respectively；The driving chain stall is mounted in drive sprocket
On driven sprocket, drive sprocket can drive driving chain to be rotated around drive sprocket and driven sprocket；The driving sliding block
On open up slide opening, driving sliding block is sleeved on slider waveguide rod by slide opening；The driving sliding block is passed by being oriented to connector connection
Dynamic chain, when driving chain rotates, driving sliding block can be driven to be moved back and forth along slider waveguide rod.
The guided connector includes sleeve and loop bar, and the sleeve is fixed on driving sliding block, one end inserting of loop bar
It can move back and forth in sleeve and along the interior bar hole of sleeve, the other end handing-over driving chain of loop bar.
As it can be seen in figures 5 and 6, also including the plate that drops hammer, inserting plate hole is opened up on the plate that drops hammer, the plate that drops hammer passes through plate
Borehole jack is on slider waveguide rod；The plate that drops hammer connects driving sliding block by elastic tension apparatus and can driven by driving sliding block synchronous
Mobile, the elastic tension apparatus plate that will drop hammer tenses to dynamic driving instrument body direction；In slider waveguide rod back to dynamic driving instrument
The upper end of body side sets wedge；Some plate annular grooves are opened up on dropping hammer；When the plate that drops hammer is upward along drive leader
When mobile, the plate that drops hammer can insert in plate annular groove under the drive of elastic tension apparatus and drive synchronous rising of dropping hammer；Directly
When being moved upward to slider waveguide rod upper end to the plate that drops hammer, the elasticity that wedge overcomes further device the pulling force plate that will drop hammer it is outside
Side jacks up, and the plate that drops hammer is deviate from from plate annular groove, drops hammer and now do the movement of falling object.
The present apparatus also includes walking wheel body, the road wheel body can extract driving chain rear enclosure mounted in drive sprocket or
On driven sprocket.
The elastic tension apparatus include upper fixed column, lower fixed column and extension spring, fixed post be arranged on drop hammer it is slotting
On plate, lower fixed column is arranged on driving sliding block；Upper and lower fixed column is connected by extension spring.
Hoop is set with feeler lever, the periphery of the hoop is set and support post quantity identical fixes sleeve；
The fixes sleeve is sleeved on support post, and can be slided up and down along support post.
In the present embodiment, the drive sprocket connection manual rocking handle, drives drive chain to rotate by rotation manual rocking handle
It is dynamic.
Also include scale, scale jack is opened up on lower installation board, the scale is inserted into scale jack；Under
Jam-packed screwed hole is opened up on installing plate, the jam-packed screwed hole is connected with scale jack, and jam-packed is set in jam-packed screwed hole
Screw, rotation jam-packed screw being capable of jam-packed and position of the Position Scale in scale jack.
Also include level meter, the level meter is arranged on lower installation board or upper mounting plate.
Also include levelling shoe, the quantity of the levelling shoe is more than three；Levelling shoe is arranged on lower installation board
Bottom.
Also include stablizing Weight plate, the leg with levelling shoe quantity and position correspondence is opened up on the stable Weight plate
Jack；The vehicle frame can make levelling shoe be inserted vertically into respectively in corresponding leg jack when being located at job state；It is described steady
Determine to set balancing weight in Weight plate.
Auto-counter is set on wedge or shaft coupling, the auto-counter can automatic gauge drop hammer number.
The vehicle frame also includes stow-away arm rest, car body support frame and tool box, and the stow-away arm rest passes through the be hinged peace of handrail
Axle is filled to be arranged on vehicle frame；The car body support frame and tool box are arranged on vehicle frame.
The present apparatus when in use, including is walked and operation two states.
Walking states：
When the present apparatus is in mobile transfering state, vehicle frame can be laid flat, lay down driving chain, road wheel is arranged on master
On movable sprocket or driven sprocket, stow-away arm rest is opened, hand push stow-away arm rest driving vehicle frame advances to destination.
Job state：
When the present apparatus is used for detection operation, vehicle frame is erected vertically, levelling shoe is placed on stable Weight plate, and is led to
The levelness of horizontal measuring device is crossed, adjustment immediately is until fully horizontally.Road wheel is then extractd, driving chain is sleeved on
On drive sprocket and driven sprocket, hand manual rocking handle driving drive sprocket is rotated, and so as to drive driving chain to rotate, driving is slided
Block pumps therewith.When the plate that drops hammer moves up along drive leader, the plate that drops hammer can fill in elastic tensioning
Inserted under the drive put in plate annular groove and drive synchronous rising of dropping hammer；Until the plate that drops hammer is moved upward to slider waveguide rod upper end
When, the further pulling force plate that will drop hammer of device of the elasticity that wedge overcomes jacks up laterally, and the plate that drops hammer is deviate from from plate annular groove,
Drop hammer and now do the movement of falling object.Drop hammer hammering shaft coupling, makes feeler lever and cone move down, at the same time auto-counter measures
Dropped hammer number with display.
Experimenter can learn the depth of penetration of cone by scale, record blow counts and injection amount, you can calculate knot
The performance index such as the situ strength of structure layer material and CBR values.
Embodiment two
As shown in Figures 9 and 10, in the present embodiment, the drive sprocket connection motor, passes through motor driven drive sprocket
Rotate, so as to provide power to drop hammer or walking.Remaining structure and embodiment repeat no more with embodiment one.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.It is every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model pair
Any simple modification, equivalent variations and the remodeling that above example is made, still fall within the protection model of technical solutions of the utility model
Enclose.
Claims (10)
1. a kind of cart type dynamic driving instrument, including dynamic driving instrument body, the dynamic driving instrument body includes dropping hammer, leading
To bar, shaft coupling, feeler lever and conehead；Described drop hammer connects the upper of feeler lever positioned at the top of guide rod, guide rod by shaft coupling
End, the lower end connection conehead of feeler lever；
It is characterized in that：Dropped hammer guide rod in the coaxially connected fixation in top of dropping hammer；
Also include vehicle frame, the vehicle frame includes upper mounting plate and lower installation board, by the branch of more than two between upper and lower installing plate
Support column is connected；The pilot hole that drops hammer is opened up on upper mounting plate, the guide rod that drops hammer is arranged in the pilot hole that drops hammer, dropped hammer
Guide rod can be along the pilot hole vertical lift that drops hammer；Feeler lever pilot hole is opened up on lower installation board, the feeler lever is arranged on feeler lever and led
Xiang Kongzhong；
Also include drive device of dropping hammer, the drive device of dropping hammer includes sprocket wheel mounting bracket, drive sprocket, driven sprocket, transmission
Chain, driving sliding block and slider waveguide rod；The drive sprocket and driven sprocket are fixedly mounted on vehicle frame by sprocket wheel mounting bracket；
The both ends of slider waveguide rod are fastened on upper and lower installing plate respectively；The driving chain stall mounted in drive sprocket and from
On movable sprocket, drive sprocket can drive driving chain to be rotated around drive sprocket and driven sprocket；Opened on the driving sliding block
If slide opening, driving sliding block is sleeved on slider waveguide rod by slide opening；The driving sliding block connects driving-chain by being oriented to connector
Bar, when driving chain rotates, driving sliding block can be driven to be moved back and forth along slider waveguide rod；
The guided connector includes sleeve and loop bar, and the sleeve is fixed on driving sliding block, and one end of loop bar is inserted into set
It can move back and forth in cylinder and along the interior bar hole of sleeve, the other end handing-over driving chain of loop bar；
Also include the plate that drops hammer, open up inserting plate hole on the plate that drops hammer, the plate that drops hammer is sleeved on slider waveguide rod by inserting plate hole
On；The plate that drops hammer connects driving sliding block by elastic tension apparatus and can drive synchronizing moving by driving sliding block；Elastic tensioning fills
The plate that will drop hammer is put to tense to dynamic driving instrument body direction；Set in slider waveguide rod back to the upper end of dynamic driving instrument body side
Put wedge；Some plate annular grooves are opened up on dropping hammer；When the plate that drops hammer moves up along drive leader, drop hammer plate energy
It is enough to be inserted under the drive of elastic tension apparatus in plate annular groove and drive synchronous rising of dropping hammer；Until the plate that drops hammer moves up
During to slider waveguide rod upper end, the further pulling force plate that will drop hammer of device of the elasticity that wedge overcomes jacks up laterally, drop hammer plate from
Deviate from plate annular groove, drop hammer and now do the movement of falling object；
Also include walking wheel body, the road wheel body can be mounted in drive sprocket or driven sprocket extracing driving chain rear enclosure
On.
2. according to a kind of cart type dynamic driving instrument described in claim 1, it is characterised in that：The elastic tension apparatus bag
Fixed column, lower fixed column and extension spring are included, fixed post, which is arranged on, to drop hammer on plate, and lower fixed column is arranged on driving sliding block
On；Upper and lower fixed column is connected by extension spring.
3. according to a kind of cart type dynamic driving instrument described in claim 2, it is characterised in that：Banding is set with feeler lever
Ring, the periphery of the hoop are set and support post quantity identical fixes sleeve；It is vertical that the fixes sleeve is sleeved on support
On post, and it can be slided up and down along support post.
4. according to a kind of cart type dynamic driving instrument described in claim 3, it is characterised in that：The drive sprocket connects hand
Shake handle or motor, manually rocking handle or motor can drive drive sprocket to rotate.
5. according to a kind of cart type dynamic driving instrument described in claim 4, it is characterised in that：Also include scale, in lower peace
Scale jack is opened up in loading board, the scale is inserted into scale jack；Jam-packed screwed hole, institute are opened up on lower installation board
State jam-packed screwed hole with scale jack to be connected, jam-packed screw is set in jam-packed screwed hole, and rotation jam-packed screw being capable of jam-packed
And position of the Position Scale in scale jack.
6. according to a kind of cart type dynamic driving instrument described in claim 5, it is characterised in that：Also include level meter, it is described
Level meter is arranged on lower installation board or upper mounting plate.
7. according to a kind of cart type dynamic driving instrument described in claim 6, it is characterised in that：Also include levelling shoe, institute
The quantity for stating levelling shoe is more than three；Levelling shoe is arranged on the bottom of lower installation board.
8. according to a kind of cart type dynamic driving instrument described in claim 7, it is characterised in that：Also include stablizing Weight plate,
The leg jack with levelling shoe quantity and position correspondence is opened up on the stable Weight plate；When the vehicle frame is located at job state
Levelling shoe can be made to be inserted vertically into respectively in corresponding leg jack；Balancing weight is set in the stable Weight plate.
9. according to a kind of cart type dynamic driving instrument described in claim 8, it is characterised in that：On wedge or shaft coupling
Auto-counter is set, the auto-counter can automatic gauge drop hammer number.
10. according to a kind of cart type dynamic driving instrument described in claim 9, it is characterised in that：The vehicle frame also includes folding
Folded handrail, car body support frame and tool box, the stow-away arm rest are hinged installation axle on vehicle frame by handrail；The car body
Support frame and tool box are arranged on vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094741.6U CN207159981U (en) | 2017-08-30 | 2017-08-30 | A kind of cart type dynamic driving instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094741.6U CN207159981U (en) | 2017-08-30 | 2017-08-30 | A kind of cart type dynamic driving instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207159981U true CN207159981U (en) | 2018-03-30 |
Family
ID=61719587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721094741.6U Active CN207159981U (en) | 2017-08-30 | 2017-08-30 | A kind of cart type dynamic driving instrument |
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| Country | Link |
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| CN (1) | CN207159981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306691B (en) * | 2018-09-11 | 2020-09-01 | 合肥工业大学 | Self-adjusting visual accurate power sounding device |
| CN112160306A (en) * | 2020-10-19 | 2021-01-01 | 河南城建学院 | Rock-soil sampling layout system and method based on artificial intelligence analysis |
-
2017
- 2017-08-30 CN CN201721094741.6U patent/CN207159981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306691B (en) * | 2018-09-11 | 2020-09-01 | 合肥工业大学 | Self-adjusting visual accurate power sounding device |
| CN112160306A (en) * | 2020-10-19 | 2021-01-01 | 河南城建学院 | Rock-soil sampling layout system and method based on artificial intelligence analysis |
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