CN206960285U - One kind fills sand instrument - Google Patents
One kind fills sand instrument Download PDFInfo
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- CN206960285U CN206960285U CN201720479376.4U CN201720479376U CN206960285U CN 206960285 U CN206960285 U CN 206960285U CN 201720479376 U CN201720479376 U CN 201720479376U CN 206960285 U CN206960285 U CN 206960285U
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- sand
- filling
- filling sand
- drill
- sampling
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Abstract
The utility model discloses one kind to fill sand instrument, solve to need to disassemble repeatedly when with filling sand instrument measurement soil density and move the trouble for filling sand instrument, its drip irrigation device is a kind of filling sand instrument, including filling sand base, fill sand cylinder, the filling sand base is connected with sliding equipment, the sliding equipment includes being fixed on the sliding panel for filling sand base upper end, the filling sand cylinder is slidably connected with sliding panel, the sampling mechanism for drilling through sample is slidably connected on the sliding panel, the sampling mechanism includes the sampling pedestal being slidably connected with sliding panel, drill component and dust suction subassembly are rotatably connected on the sampling pedestal, reach to disassemble to move and filled sand instrument just energy measured place soil density.
Description
Technical field
Engineering measurement field is the utility model is related to, more specifically, it relates to which a kind of fill sand instrument.
Background technology
The density measurement of soil is one of detection Subgrade Compaction Quality main experimental, and current test method includes cutting ring
Method, wax coating method, sand replacement method, douche, air-bag method and nucleon ray method etc.；Density measurement for coarse-grained soil, sand replacement method experiment
As a result it is considered as most accurate.
The Chinese patent of Application No. 201320272696.4 discloses a kind of sand replacement method density automatic analyzer, and it includes
Sand cylinder, sand leakage cylinder, weighing sensor are filled, the outside for filling sand cylinder is tubular, interior bottom is pyramidal structure.The vertex of a cone is provided with sand leakage
Hole, and be provided with sand leakage at leakage sand hole and switch；The outside of sand leakage cylinder is tubular；Inside is provided with taper filling sand hopper, the vertex of a cone is provided with
Leakage sand hole, cone bottom are sky；The leakage sand hole and the leakage sand hole of sand leakage cylinder for filling sand cylinder are oppositely arranged.Weighing sensor is loop configuration,
Between two leakage sand holes, and two leakage sand holes are connected by loop configuration；Sand leakage cylinder bottom is provided with chassis.
Although this sand replacement method density automatic analyzer can automatically measure the weight of filled sand when filling sand and measuring, should
Sand replacement method density automatic analyzer needs to disassemble repeatedly to move when measuring soil density fills sand instrument, so causes measurement soil close
It is low to spend efficiency.
Therefore need to provide a kind of new technical scheme to solve the above problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of filling sand instrument, there is operation side
Just, the advantages of measurement efficiency is high.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind fills sand instrument, including
Fill sand base, fill sand cylinder, the filling sand base is connected with sliding equipment, and the sliding equipment, which includes being fixed on, fills sand base upper end
Sliding panel, it is described filling sand cylinder be slidably connected with sliding panel, the sampling for drilling through sample is slidably connected on the sliding panel
Mechanism, the sampling mechanism include the sampling pedestal being connected with slide, drill group are rotatably connected on the sampling pedestal
Part and dust suction subassembly.
By using above-mentioned technical proposal, by using above-mentioned technical proposal, fill sand base and be connected with sliding equipment, slide
Mechanism includes being fixed on the sliding panel for filling sand base upper end, fills sand cylinder and is slidably connected with sliding panel, sliding panel also slidably connects
For drilling through the sampling mechanism of sample, sampling mechanism includes the sampling pedestal being slidably connected with sliding panel, samples and rotated on pedestal
It is connected with drill component and dust suction subassembly；Sand cylinder will be filled to slide into after filling sand base correspondence position to filling sand base filling sand, may be used also
To slide sampling mechanism, and rotate drill component, then by drill component by it is required detection ground soil produce come, and
The soil drilled out is collected by dust suction subassembly and measured, when can thus realize measurement soil density, is not required to
To disassemble to move repeatedly and fill sand instrument.
The utility model is further arranged to：The sliding equipment also includes the chute for being opened in sliding panel upper surface, institute
State filling sand cylinder to be slidably connected on chute with sampling mechanism, the chute bottom surface is offered for sand to be filled into the leakage into filling sand base
Sand hole.
By using above-mentioned technical proposal, sliding panel upper surface offers chute, fills sand cylinder and is slidably connected with sampling mechanism
On chute, chute bottom surface is offered for sand to be filled into the leakage sand hole into filling sand base, can thus make filling sand cylinder or sampling
Mechanism is slided on chute, and filling sand cylinder or sampling mechanism is engaged with leakage sand hole, and sand cylinder or sampler are filled so as to realize
Structure fills sand or to soil sampling to filling sand base.
The utility model is further arranged to：Described sampling pedestal upper surface is fixedly connected with rotating shaft, the drill group
Part includes the drill seat being connected with axis of rotation, and vertical direction slidably connects power set, the power on the drill seat
Drill is fixedly connected with the output shaft of device, the drill is set straight down.
By using above-mentioned technical proposal, sampling pedestal upper surface is fixedly connected with rotating shaft, and drill seat connects with axis of rotation
Connect, vertical direction slidably connects power set on drill seat, and drill, and drill are fixedly connected with the output shaft of power set
Set straight down, so sampling pedestal can be slided certain position, while rotate drill seat, drill is passed through sand leakage
Hole, filling sand base are got into the cave to ground and produce by soil.
The utility model is further arranged to：Described dust suction subassembly includes the dust suction pipe support being rotatably connected in rotating shaft,
The dust suction pipe support slidably connects dust sucting pipeline, and the dust sucting pipeline is connected with dust exhaust apparatus, and the dust exhaust apparatus, which is fixed, to be connected
It is connected on sampling pedestal.
By using above-mentioned technical proposal, dust suction pipe support is connected with axis of rotation, and dust sucting pipeline slides with dust suction pipe support to be connected
Connect, dust exhaust apparatus is connected with dust sucting pipeline, dust exhaust apparatus is fixedly connected on sampling pedestal, can so rotate sweep-up pipe
Frame, and dust sucting pipeline is stretched into leakage sand hole, then start dust exhaust apparatus, sample drill can be produced the soil come and passed through by dust exhaust apparatus
In dust sucting pipeline inspiration dust exhaust apparatus, it is achieved thereby that dust suction subassembly collects soil function.
The utility model is further arranged to：Slidably connect sliding tube on described dust suction pipe support, the sliding tube with
Dust sucting pipeline is fixedly connected, and is arranged with elastic component on the dust sucting pipeline, the both ends of the elastic component respectively with sliding tube and suction
Dirt pipe support is inconsistent.
By using above-mentioned technical proposal, sliding tube is slidably connected with dust suction pipe support, and sliding tube is fixed with dust sucting pipeline to be connected
Connect, elastic component is arranged with dust sucting pipeline, the both ends of elastic component are inconsistent with sliding tube and dust suction pipe support respectively, such sliding tube
Dust sucting pipeline can be driven to be slided relative to dust suction pipe support, fill what sand base produced with drill so as to realize to stretch into dust sucting pipeline
Soil is drawn in hole, and dust sucting pipeline and sliding tube Rapid reset are made by elastic component.
The utility model is further arranged to：Described chute bottom surface is offered for sand to be filled into the sand leakage into filling sand base
Hole, the chute bottom surface are fixedly connected with the inductor of weighing for measuring weight, and the inductor of weighing is fixed on leakage sand hole
Upside, display is fixedly connected with the sliding panel side wall and is weighed the weighing device of suffered weight on inductor.
By using above-mentioned technical proposal, chute bottom surface is offered for sand to be filled into the leakage sand hole into filling sand base, is weighed
Inductor is fixedly connected with chute bottom surface, and inductor of weighing is arranged on the upside of leakage sand hole, is fixedly connected with sliding panel side wall
Display is weighed inductor, so when fill sand cylinder slide into weigh on inductor when, and when making filling sand cylinder consistent with leakage sand hole,
Fill sand cylinder sand can be filled toward sand base is filled, while the weight for filling sand in sand cylinder can also be read, when sampling mechanism slides
After on to inductor of weighing, after collecting soil by drill component and dust suction subassembly, it can also be read and be received by weighing device
Collect the weight of soil.
The utility model is further arranged to：Described inductor periphery of weighing is provided with the inclination angle of chute bottom surface.
By using above-mentioned technical proposal, inductor periphery of weighing is provided with the inclination angle of chute bottom surface, can so made
Filling sand cylinder or sampling pedestal easily can successfully slide into and weigh on inductor.
The utility model is further arranged to：Offer on the chute wall and indulged for limiting filling sand cylinder or sampling mechanism
To the groove for departing from sliding panel, the projection being adapted with groove is provided with the filling sand cylinder, raised slided with groove connects
Connect.
By using above-mentioned technical proposal, fluted, projection and groove slip company on filling sand cylinder are opened up on chute wall
Connect, can so enable filling sand cylinder along chute direction slide while, prevent that filling sand cylinder longitudinal direction or vertical direction skids off chute.
The utility model is further arranged to：The projection being adapted with groove is provided with the sampling pedestal, it is described convex
Rise and be slidably connected with groove.
By using above-mentioned technical proposal, the projection sampled on pedestal is slidably connected with groove, can so make filling sand cylinder
While being slided along chute direction, prevent that filling sand cylinder longitudinal direction or vertical direction skids off chute.
The utility model is further arranged to：The dust sucting pipeline is flexible material.
By using above-mentioned technical proposal, rotating dust suction pipe support or moving up and down dust sucting pipeline, dust sucting pipeline can be made
Its deformation is adapted to, and when dust sucting pipeline stretches into and fills sand base, can adjust dust sucting pipeline enables dust sucting pipeline more
Easily absorb soil.
By using above-mentioned technical proposal, when measuring soil density, filling sand cylinder can be slided and carry out filling sand to filling sand base,
And the weight of sand used can be weighed, sampling mechanism can also be slided and can be right by drill component and dust suction subassembly
Ground is got into the cave and collects soil, at the same can also weigh up collected soil weight, so when measuring soil density not
Sand instrument is filled with disassembling to move, while the weight of sand and soil can be measured between, so adds measurement soil density
When operating efficiency.
In summary, the utility model has the advantages that：
First, being arranged on by the way that Guan Sha mechanisms and sampling mechanism are slid on sliding panel, filling husky completion and needing
During sampling, it is not necessary to dismantle repeatedly, it is easy to operate；
Second, by again being extracted out sample by dust suction subassembly after sample is bored into dynamic blend, the sampling of sample is realized, is sampled
More laborsaving convenience.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model fills sand instrument embodiment；
Fig. 2 is the sectional view that the utility model fills sand instrument embodiment；
Fig. 3 is the schematic diagram for filling sand base and sliding equipment.
1st, sand base is filled；2nd, sliding equipment；3rd, sand filling machine structure；4th, sampling mechanism；5th, bottom plate；6th, sand hole is filled；7th, sand base is filled
Seat；8th, sliding panel；9th, leakage sand hole；10th, chute；11st, groove；12nd, weighing sensor；13rd, meausring apparatus；14th, sand cylinder is filled；15、
Connecting tube；16th, it is raised；17th, switch；18th, pedestal is sampled；19th, through hole；20th, rotating shaft；21st, drill component；22nd, drill seat；23、
Slide rail；24th, power set；25th, drill；26th, dust suction subassembly；27th, dust suction pipe support；28th, sliding tube；29th, elastic component；30th, dust suction
Pipeline；31st, dust exhaust apparatus.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
One kind fills sand instrument, as shown in Figure 1 and Figure 2 and Figure 3, including fills sand base 1, fills sand base 1 and is slided by sliding equipment 2
Dynamic to be connected with sand filling machine structure 3, sliding equipment 2 is also associated with the sampling mechanism 4 for collecting sample；Filling sand base 1 includes placing
In the bottom plate 5 of flat road surface, bottom plate 5 is set in flake, and the center of bottom plate 5 is provided with the filling sand for filling sand or sampling
Hole 6, filling and filling sand pedestal 7 is fixedly connected with sand hole 6, the upper surface for filling sand pedestal 7 and bottom plate 5 is detachably connected by bolt,
Filling sand pedestal 7 is set in infundibulate, and is filled one end that sand pedestal 7 contacts with bottom plate 5 and deviated from the one of bottom plate 5 more than filling sand pedestal 7
End.
Fill and sliding equipment 2 is connected with sand pedestal 7, sliding equipment 2 includes being fixedly connected on the slip for filling the upper end of sand pedestal 7
Plate 8, the leakage sand hole 9 corresponding with filling the upper surface of sand pedestal 7 is offered on sliding panel 8, and the upper surface of sliding panel 8 is offered for filling
The chute 10 that sand mechanism 3 and sampling mechanism 4 slide, the both sides of chute 10 are provided with for limiting tariff mechanism or sampling mechanism 4
Depart from the groove 11 of sliding panel 8, the weighing sensor 12 for measuring weight, and weighing and sensing are provided with the bottom surface of chute 10
Device 12 is set around leakage sand hole 9, and weighing sensor 12 is provided with downward inclination angle away from the side of leakage sand hole 9, so can be square
Just sand filling machine structure 3 is slided on sensor, and weighing sensor 12 is connected by the meausring apparatus 13 in the outside of electric wire sliding panel 8, this
Sample is when sand filling machine structure 3 is slided on weighing sensor 12, it is possible to corresponding weight is read on meausring apparatus 13.
Sand filling machine structure 3 is connected with sliding panel 8, sand filling machine structure 3 includes filling sand cylinder 14, fills sand cylinder 14 and is set in infundibulate,
And the end face for filling the close filling sand pedestal 7 of sand cylinder 14 is less than filling sand cylinder 14 away from the end face for filling sand pedestal 7, fills sand cylinder 14 close to filling
It is slidably connected with chute 10 integrally formed with connecting tube 15, connecting tube 15 on the end face of sand pedestal 7, is fixedly installed in connecting tube 15
There is the projection 16 corresponding with groove 11, so projection 16 is connected in groove 11, and the disengaging sliding panel of sand cylinder 14 is filled so as to limit
8, the switch 17 for going out to fill sand cylinder 14 with control with the sand flow filled in sand cylinder 14 is additionally provided with connecting tube 15.
Sampling mechanism 4 is also associated with sliding panel 8, sampling mechanism 4 includes the sampling pedestal being slidably connected on chute 10
18, sampling pedestal 18 can be in that cuboid is set, and can so prevent that sample pedestal 18 rotates on chute 10, samples pedestal 18
On be provided with the projection 16 corresponding with groove 11, so projection 16 is connected in groove 11, de- so as to limit sampling pedestal 18
From sliding panel 8, the through hole 19 offered on pedestal 18 for drilling through sample is sampled, the upside of sampling pedestal 18 is fixedly connected with rotating shaft
20, rotating shaft 20 is connected with drill component 21 in being vertically arranged in rotating shaft 20, drill component 21 is included in rotation connection rotating shaft 20
Drill seat 22, vertical direction is provided with slide rail 23 on drill seat 22, and power set 24, power set are slidably connected on slide rail 23
24 can be motor etc., and power set 24 are slidably connected by the sliding block being fixedly connected on power set 24 with slide rail 23, are moved
Drill 25 is fixedly connected with the output shaft of power apparatus 24, drill 25 is in set straight down, and when drill seat 22 rotates one
After determining angle drill 25 can be made, in being arranged concentrically, so when needing road pavement to drill, sampling pedestal can be slided with through hole 19
18 and make through hole 19 and leakage sand hole 9 rotating drill seat 22 makes the position of 25 aligned through holes of drill 19 in being arranged concentrically, then promote and open
Dynamic power set 24 and propulsion power device 24 make to move down while the rotation of drill 25, and such drill 25 sequentially passes through
Through hole 19, leakage sand hole 9 and filling sand hole 6, such can of drill 25 drill on road surface；Dust suction subassembly is also associated with rotating shaft 20
26, dust suction subassembly 26 includes the dust suction pipe support 27 being rotatably connected in rotating shaft 20, and the upside of dust suction pipe support 27 is provided with sliding tube 28,
Sliding tube 28 relative can be slided up and down with dust suction pipe support 27, and sliding tube 28 is set in tubular, and sliding tube 28 is equipped with dust suction
Pipeline 30, and dust sucting pipeline 30 is fixedly connected with sliding tube 28, and dust sucting pipeline 30 can be flexible material, and dust sucting pipeline 30 is used
In the suction port of inspiration soil in setting straight down, elastic component 29 is arranged with dust sucting pipeline 30, elastic component 29 can be bullet
Spring etc., the both ends of elastic component 29 contradict on dust suction pipe support 27 and sliding tube 28 respectively, so when pressing sliding tube 28, make slip
Pipe 28 moves down, and drives dust sucting pipeline 30 to move down, when sliding tube 28 is not by external force, sliding tube 28 and sweep-up pipe
Road 30 is fixedly connected on dust exhaust apparatus 31 by the elastic force Rapid reset of elastic component 29, dust sucting pipeline 30 away from one end of suction port
On, and dust exhaust apparatus 31 be fixedly connected on sampling pedestal 18 on, so when need draw drill 25 produce road surface sample when, can
To rotate dust suction pipe support 27, and suction port is put in filling sand pedestal 7 or in the hole that drill 25 produces, and start dust exhaust apparatus
Sample in 31 such samples and hole filled in sand pedestal 7 is with regard to that can be sucked into dust exhaust apparatus 31, after dust exhaust apparatus 31 are closed,
Can directly reads the weight for the sample being sucked into by meausring apparatus 13.
When needing to measure the density of soil, a smooth ground is first looked for, the placement of sand instrument will be filled on the ground,
Fill in sand cylinder 14 and pour into sand, and what weight is read by weighing device, then open switch 17, sand will leak into filling
In sand pedestal 7, the closing switch 17 when filling up sand in filling sand pedestal 7, and present weight readings are read, it then will fill sand cylinder
14 skid off weighing sensor 12, and sampling pedestal 18 is slided on weighing sensor 12, and make through hole 19 in leakage sand hole 9
Side, dust sucting pipeline 30 is rotated, stretch into suction port and fill in sand pedestal 7, the sand respirable dust device 31 in sand pedestal 7 will be filled
In, drill seat 22 is rotated afterwards, and starts power set 24 to make drill 25 through through hole 19, leakage sand hole 9 and filling sand hole 6 and contradict
Onto ground, such drill 25 just can on the ground drill and just smash soil, then move to drill 25 and fill sand pedestal 7
Middle rotation, so the soil in drill 25 can be thrown away drill 25, subsequently can by dust suction subassembly 26 by drill 25
The soil produced is collected into dust exhaust apparatus 31 and suffered, by weighing device read weight, thus can the place's of calculating drill 25 produce
Soil weight, then filled up by filling sand cylinder 14 by the hole that sand pedestal 7 and drill 25 produce is filled with sand, and read present
The weight of sand, the density of the soil of detection required for easily being calculated by such mode can.
Using the filling sand instrument can more quick succinct measurement soil density, and fill sand bottom plate 5 without mobile, this
Sample can remove adjustment repeatedly from and fill the position of sand bottom plate 5, and can reduce because adjustment position and caused by measurement error.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. one kind fills sand instrument, including fills sand base（1）, fill sand cylinder（14）, it is characterized in that：The filling sand base（1）It is connected with cunning
Motivation structure（2）, the sliding equipment（2）Sand base is filled including being fixed on（1）The sliding panel of upper end（8）, the filling sand cylinder（14）
With sliding panel（8）It is slidably connected, the sliding panel（8）On slidably connect sampling mechanism for drilling through sample（3）, it is described to take
Model machine structure（3）Including with sliding panel（8）The sampling pedestal being slidably connected（18）, the sampling pedestal（18）On be rotatably connected to brill
Knife assembly（21）With dust suction subassembly（26）.
2. a kind of filling sand instrument according to claim 1, it is characterized in that：The sliding equipment（2）Also include being opened in slip
Plate（8）The chute of upper surface（10）, the filling sand cylinder（14）With sampling mechanism（3）It is slidably connected at chute（10）On, the cunning
Groove（10）Bottom surface is offered for sand to be filled into filling sand base（1）Leakage sand hole（9）.
3. a kind of filling sand instrument according to claim 2, it is characterized in that：The sampling pedestal（18）Upper surface is fixedly connected with
Rotating shaft（20）, the drill component（21）Including with rotating shaft（20）The drill seat of rotation connection（22）, the drill seat（22）On
Vertical direction slidably connects power set（23）, the power set（23）Output shaft on be fixedly connected with drill（25）,
The drill（25）Set straight down.
4. a kind of filling sand instrument according to claim 3, it is characterized in that：The dust suction subassembly（26）Including being rotatably connected on
Axle（20）On dust suction pipe support（27）, the dust suction pipe support（27）Slidably connect dust sucting pipeline（30）, the dust sucting pipeline
（30）It is connected with dust exhaust apparatus（31）, the dust exhaust apparatus（31）It is fixedly connected on sampling pedestal（18）On.
5. a kind of filling sand instrument according to claim 4, it is characterized in that：The dust suction pipe support（27）On slidably connect slip
Pipe（28）, the sliding tube（28）With dust sucting pipeline（30）It is fixedly connected, the dust sucting pipeline（30）On be arranged with elastic component
（29）, the elastic component（29）Both ends respectively with sliding tube（28）With dust suction pipe support（27）It is inconsistent.
6. a kind of filling sand instrument according to claim 5, it is characterized in that：The chute（10）Bottom surface is fixedly connected with for surveying
Measure the inductor of weighing of weight（12）, the inductor of weighing（12）It is fixed on leakage sand hole（9）Upside, the sliding panel（8）Side
Display is fixedly connected with wall to weigh inductor（12）The weighing device of upper suffered weight（13）.
7. a kind of filling sand instrument according to claim 6, it is characterized in that：The inductor of weighing（12）Periphery is provided with sliding
Groove（10）The inclination angle of bottom surface.
8. a kind of filling sand instrument according to claim 7, it is characterized in that：The chute（10）Offered in side wall for limiting
Fill sand cylinder（14）Or sampling mechanism（3）Longitudinal direction departs from the groove of sliding panel（11）, the filling sand cylinder（14）On be provided with and groove
（11）The projection being adapted（16）, the projection（16）With groove（11）It is slidably connected.
9. a kind of filling sand instrument according to claim 8, it is characterized in that：The sampling pedestal（18）On be provided with and groove
（11）The projection being adapted（16）, the projection（16）With groove（11）It is slidably connected.
10. a kind of filling sand instrument according to claim 9, it is characterized in that：The dust sucting pipeline（30）It is fabricated from a flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479376.4U CN206960285U (en) | 2017-05-03 | 2017-05-03 | One kind fills sand instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479376.4U CN206960285U (en) | 2017-05-03 | 2017-05-03 | One kind fills sand instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206960285U true CN206960285U (en) | 2018-02-02 |
Family
ID=61374119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720479376.4U Expired - Fee Related CN206960285U (en) | 2017-05-03 | 2017-05-03 | One kind fills sand instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206960285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229760A (en) * | 2020-09-14 | 2021-01-15 | 河南工程学院 | Automatic sand filling instrument for measuring density of roadbed |
| CN117418524A (en) * | 2023-12-19 | 2024-01-19 | 山西省交通规划勘察设计院有限公司 | Carbide slag roadbed performance detection device and application method thereof |
-
2017
- 2017-05-03 CN CN201720479376.4U patent/CN206960285U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229760A (en) * | 2020-09-14 | 2021-01-15 | 河南工程学院 | Automatic sand filling instrument for measuring density of roadbed |
| CN112229760B (en) * | 2020-09-14 | 2024-01-12 | 河南工程学院 | Automatic sand filling instrument for measuring compactness of roadbed |
| CN117418524A (en) * | 2023-12-19 | 2024-01-19 | 山西省交通规划勘察设计院有限公司 | Carbide slag roadbed performance detection device and application method thereof |
| CN117418524B (en) * | 2023-12-19 | 2024-03-01 | 山西省交通规划勘察设计院有限公司 | Carbide slag roadbed performance detection device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210503 |