CN208009388U - A kind of device vertically sampled for ballastless track of high-speed railway subgrade soils - Google Patents
A kind of device vertically sampled for ballastless track of high-speed railway subgrade soils Download PDFInfo
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- CN208009388U CN208009388U CN201820299586.XU CN201820299586U CN208009388U CN 208009388 U CN208009388 U CN 208009388U CN 201820299586 U CN201820299586 U CN 201820299586U CN 208009388 U CN208009388 U CN 208009388U
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- speed railway
- ballastless track
- subgrade soils
- railway subgrade
- hammer
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- 239000002689 soil Substances 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000003351 stiffener Substances 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 2
- 230000007246 mechanism Effects 0.000 abstract description 9
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 238000005070 sampling Methods 0.000 description 15
- 239000012634 fragment Substances 0.000 description 14
- 239000002344 surface layer Substances 0.000 description 10
- 238000005553 drilling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000009429 distress Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of devices vertically sampled for ballastless track of high-speed railway subgrade soils, including hammering device and drawing out soil equipment, the hammering device includes rack, hoist engine, steel strand wires, connecting circular tube and structure of dropping hammer, the hoist engine is mounted in rack, one end of steel strand wires is fixedly connected with the upper end of connecting circular tube, the other end of steel strand wires is wound on hoist engine, the upper end for structure of dropping hammer is connected with the lower end of connecting circular tube, drawing out soil equipment includes the connecting rod being sequentially connected, connect pallet and soil sampler, the upper end of the connecting rod is connected with the lower end for structure of dropping hammer.By the analysis to soil sample, scientific basis can be provided for the mechanism study of China express railway ballastless track roadbed disease and management measure.
Description
Technical field
The utility model is related to a kind of devices vertically sampled for ballastless track of high-speed railway subgrade soils, are suitable for China
The vertical sampling of high-speed railway various types ballastless track roadbed soil.
Background technology
High-speed railway subgrade is train high speed, steady, safe operation basis, with the raising of train speed, axle for vehicle
The increase of weight, the increase of operation amount and extreme weather (such as heavy showers, heavy snowfall) such as take place frequently at the factors, at present high-speed railway road
Base disease (such as Mud pumping, subgrade drainage is unsmooth) also becomes increasingly conspicuous.In order to ensure the fortune of high-speed railway quickly, safe
Battalion, needs the distress mechanism in time to high-speed railway subgrade to study, and propose renovation scheme, and the sampling analysis of subgrade soils
It is most direct distress mechanism research approach.
For China express railway non-fragment orbit, the maintenance and operation of non-fragment orbit should all meet corresponding regulation.
Under normal circumstances, the skylight point of maintenance and operation at most only 4 hours, and effective less than 3 hours of activity duration.Simultaneously
Upper track operation also has strict demand, work tool should be as light and handy as possible, convenient work tool, and must satisfy high-speed railway without
The safety work limit for height (be less than 2.8m) of tiny fragments of stone, coal, etc. track, and conventional geological drilling equipment is not only bulky, and weight also compared with
Greatly, while assembly program is cumbersome, is easy to damage track structure in drilling process, conventional drilling machine is using rotation
Drill sampling, the method to sample the soil body disturbance it is larger, static pressure method sampling it is smaller to the disturbance of the soil body, but high-speed railway without
Tiny fragments of stone, coal, etc. track bed surface layer of subgrade bed is the graded broken stone layer for having certain compactness, and static pressure method is difficult to realize fetch earth, and without providing foot
The device of enough counter-forces, thus be badly in need of seeking it is a kind of can in conjunction with high-speed railway job requirements and subgrade soils it is vertical
The device of sampling provides scientific and effective resolution for the research and regulation of ballastless track of high-speed railway distress mechanism.
Utility model content
Against the above deficiency, the utility model provides a kind of dress vertically sampled for ballastless track of high-speed railway subgrade soils
It sets, which has not only fully considered maintenance, job requirements and the traffic safety at ballastless track of high-speed railway scene, simultaneously also
Consider perturbation action of the sampler to subgrade soil.Roadbed complete and that disturbance is smaller can be taken out by way of hammering
Soil sample provides reliable analysis foundation for the research of the high-speed railway subgrade disease mechanism of action.
The utility model technical scheme applied to solve the technical problem is as follows：One kind being used for ballastless track of high-speed railway road
The device that base soil vertically samples, including hammering device and drawing out soil equipment, the hammering device include rack, hoist engine, steel strand wires,
Connecting circular tube and structure of dropping hammer, the hoist engine are mounted in rack, and one end of steel strand wires and the upper end of connecting circular tube are fixed and connected
It connects, the other end of steel strand wires is wound on hoist engine, and the upper end for structure of dropping hammer is connected with the lower end of connecting circular tube, drawing out soil equipment packet
The connecting rod being sequentially connected, connection pallet and soil sampler, the upper end of the connecting rod is included with the lower end for structure of dropping hammer to be connected.
Further, it is described drop hammer structure mainly by ball-type automatic dropping device, drop hammer, guide rod and pallet form, ball
Formula automatic dropping device and dropping hammer is set in outside guide rod, and ball-type automatic dropping device is located at the top dropped hammer, and ball-type from
The lower end of dynamic dropping device, which is separably set in, drops hammer, and the upper end of ball-type automatic dropping device and the lower end of connecting circular tube be logical
It crosses lock bolt to be connected, pallet is fixed on the lower end of guide rod, and guide rod is inserted into connecting circular tube.
Further, the rack includes the upper bracket for hammering pedestal and being fixed on hammering pedestal, the hammering bottom
Seat includes bottom bracket, ribbed stiffener and hollow cylinder, and hollow cylinder is fixedly connected on by ribbed stiffener on bottom bracket, described
Upper bracket is fixed on the upper end of hollow cylinder.
Further, there is clutch disk, the lower end of the upper bracket to have connection bottom for the upper end of the hollow cylinder
Disk, clutch disk are fixedly connected with connecting base plate.
Further, it is along the circumferential direction uniformly provided with 12 circular holes on the clutch disk, 3 are fixed on connecting base plate
Screw, 120 ° of interval are distributed in undersurface of bottom disc, and clutch disk is fixedly connected by screw across circular hole by nut with connecting base plate.
Further, the soil sampler is split soil sampler, is made of two semicircle steel pipes, connector and cutting ring；Two
A semicircle steel pipe pieces together a pipe, and connector is fixed on one end of pipe, and cutting ring is fixed on the other end of pipe, and connector passes through company
Pallet is connect with pallet to be connected.
Further, the length of the soil sampler is more than 600m, and the internal diameter of the semicircle steel pipe is 90mm, and semicircle steel pipe is adopted
With thick walled steel tube, i.e., unilateral wall thickness >=12mm.
Further, the edge of a knife of the cutting ring needs to carry out quenching treatment.
Further, the height of the rack must satisfy the safety work limit for height of ballastless track of high-speed railway and (be less than
2.8m)。
The beneficial effects of the utility model are as follows：
1) the utility model is divided into hammering device and drawing out soil equipment, and wherein hammering device is divided into hammering pedestal, upper bracket
And structure of dropping hammer, drawing out soil equipment are divided into soil sampler, connecting rod and connection cushioned hammer, it is each form part mass it is light, convenient for taking
It band and carries, is connected by bolt, steel strand wires and lock between each component part, it is easy to assembly, secured, and after being completed
Total height is less than 2.8m, meets the safety work limit for height of ballastless track of high-speed railway, is ballastless track of high-speed railway subgrade soils
Sampling provides a kind of safe and reliable sampler.
2) architectural characteristic of the ballastless track of high-speed railway roadbed considered, the utility model overcome conventional probing and take
Defect caused by sample and static pressure method sampler can obtain subgrade soils complete and that disturbance is smaller ocean, be high-speed railway without
The sampling of tiny fragments of stone, coal, etc. track bed soil provides a kind of sampler of science.
3) conventional ball-type automatic drop hammer structure and hoist engine are applied in the utility model, by changing hoist engine
Radius of turn adjusts the hammering frequency dropped hammer, and can realize the sampling of subgrade soils in shorter skylight point；
4) connecting rod that different specifications is made according to the depth of the length of soil sampler and sampling test, during hammering
Connecting rod is replaced in time according to the hammering depth of soil sampler, can avoid generating destruction to the superstructure of non-fragment orbit；
5) soil sampler uses split soil sampler, and the length after assembling is determined according to experiment demand, non-fragment orbit bedding table
Layer thickness is 400mm, and intermediate course thickness is about 50mm, in order to obtain the soil sample of surface layer of subgrade bed and bottom layer of subgrade, it is proposed that fetch earth
The length of device is more than 600m, and the internal diameter of the semicircle steel pipe of soil sampler is 90mm, to ensure the particle energy of 2 maximum particle diameters (45mm)
Enough pass through, soil sampler is stuck during avoiding hammering, and semicircle steel pipe uses heavy wall (unilateral wall thickness >=12mm) steel pipe, avoids hammering into shape
There is splitting phenomena in the semicircle steel pipe of soil sampler during hitting, and the edge of a knife of cutting ring carries out quenching treatment with strengthen rigidity, relatively entirely
The considerations of face fetch earth during difficulty.
Description of the drawings
Fig. 1 is current ballastless track of high-speed railway upper track structure and the schematic cross-sectional view on subgrade bed surface layer；
Fig. 2 is the structural schematic diagram that hammering device hammers pedestal in the utility model；
Fig. 3 is the structural schematic diagram of hammering device upper bracket in the utility model；
Fig. 4 is that hammering device drops hammer the schematic diagram of structure in the utility model；
Fig. 5 is the schematic diagram of drawing out soil equipment connecting rod and connection pallet in the utility model；
Fig. 6 is the structural schematic diagram of drawing out soil equipment soil sampler in the utility model；
Fig. 7 is that the relative position of utility model device, non-fragment orbit superstructure and subgrade bed surface structure is illustrated
Figure；
In figure：Bottom bracket 1, ribbed stiffener 2, hollow cylinder 3, clutch disk 4, connecting base plate 5, hoist engine 6, steel strand wires
7, connecting circular tube 8, ball-type automatic dropping device 9, the 10, guide rod 11 that drops hammer, pallet 12, connecting rod 13, connection pallet 14, connector
15, semicircle steel pipe 16, cutting ring 17, sampling hole 18, rail 19, track plates (or road bed board) 20, base board (or supporting course) 21,
Surface layer of subgrade bed 22, mortar sealant 23.
Specific implementation mode
The utility model is described further with reference to embodiment.
As shown in Figure 1, ballastless track of high-speed railway upper track structure and road structure are 22 upper berths of surface layer of subgrade bed at present
If base board (or supporting course) 21, laying track plates (or road bed board) 20 on base board (or supporting course) 21, track plates (or railway roadbed
Plate) steel rail laying 19 on 20；Cover mortar sealant 23 on surface layer of subgrade bed 22, mortar sealant 23 extends to base board (or branch
Hold layer) 21 lateral edges.Part non-fragment orbit is laid between base board (or supporting course) 21 and track plates (or road bed board) 20
CA screeds or self-compacting concrete.For ballastless track of high-speed railway, railway bed is train high speed, steady, safety
The basis of operation, as the raising of train speed, the increase of vehicle axle weight, the increase of operation amount and extreme weather are (such as strong drop
Rain, heavy snowfall etc.) factors such as take place frequently, high-speed railway subgrade disease at present (such as Mud pumping, subgrade drainage is unsmooth)
It becomes increasingly conspicuous.In order to ensure the operation of high-speed railway quickly, safe, the distress mechanism progress in time to high-speed railway subgrade is needed
Research, and propose renovation scheme, and the sampling analysis of subgrade soils is most direct distress mechanism research approach.For China's high speed
For railway ballastless track, the maintenance and operation of non-fragment orbit should all meet corresponding regulation.Under normal circumstances, maintenance and operation
Skylight point at most only 4 hours, and effective less than 3 hours of activity duration.Upper track operation simultaneously is to work tool
There are strict demand, work tool should be as light and handy as possible, convenient, and must satisfy the safety work limit for height of ballastless track of high-speed railway
(being less than 2.8m), and conventional geological drilling equipment is not only bulky, and also weight is also larger, while assembly program is cumbersome,
It is easy to damage track structure in drilling process, conventional drilling machine is sampled using rotary drilling, and the method is to taking
The disturbance of the sample soil body is larger, and static pressure method sampling is smaller to the disturbance of the soil body, but ballastless track of high-speed railway subgrade bed surface layer
It is the graded broken stone layer for having certain compactness, static pressure method is difficult to realize fetch earth, and the device without providing enough counter-forces, therefore anxious
It need to seek a kind of device that can be vertically sampled in conjunction with the job requirements and subgrade soils of high-speed railway, be high-speed iron
The research and regulation of road non-fragment orbit distress mechanism provide scientific and effective resolution.
Therefore, the utility model provides a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils, should
Device has fully considered maintenance, job requirements and the traffic safety at ballastless track of high-speed railway scene, while having also contemplated and taking
Sampling device specifically includes such as lower structure the perturbation action of subgrade soil, the device：
As illustrated in figs. 2-7, a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils, including hammering device
And drawing out soil equipment, the hammering device include rack, hoist engine 6, steel strand wires 7, connecting circular tube 8 and structure of dropping hammer, the elevator
Machine 6 is mounted in rack, and one end of steel strand wires 7 is fixedly connected with the upper end of connecting circular tube 8, and the other end of steel strand wires 7 is wound in
On hoist engine 6, the radius of turn by changing hoist engine 6 can adjust the hammering frequency dropped hammer；The upper end for structure of dropping hammer and company
The lower end for connecing pipe 8 is connected, and drawing out soil equipment includes the connecting rod 13 being sequentially connected, connection pallet 14 and soil sampler, the connection
The upper end of bar 13 is connected with the lower end for structure of dropping hammer, and the connecting rod 13 of different size can be arranged according to test requirements document of fetching earth, according to
Connecting rod 13 is replaced in the position of soil sampler in time, avoids being hammered onto track plates.
It is described drop hammer structure mainly by ball-type automatic dropping device 9, drop hammer 10, guide rod 11 and pallet 12 forms, ball-type
Automatic dropping device 9 and dropping hammer 10 is set in outside guide rod 11, ball-type automatic dropping device 9 be located at drop hammer 10 top, and
The lower end of ball-type automatic dropping device 9, which is separably set in, drops hammer 10, the upper end of ball-type automatic dropping device 9 with connect circle
The lower end of pipe 8 is connected by latching bolt, and pallet 12 is fixed on the lower end of guide rod 11, and guide rod 11 is inserted into connecting circular tube 8
In.When drop hammer 10 be pulled up to certain altitude when, ball-type automatic dropping device 9 will be opened, and dropping hammer 10 i.e. can be along guide rod
11 fall and then hammer pallet 23, and then hammer soil sampler.
The rack includes the upper bracket for hammering pedestal and being fixed on hammering pedestal, and the hammering pedestal includes bottom
Holder 1, ribbed stiffener 2 and hollow cylinder 3, bottom bracket 1 are fixed on track plates (or the railway roadbed of non-fragment orbit by expansion bolt
Plate) on, hollow cylinder 3 is fixedly connected on by ribbed stiffener 2 on bottom bracket 1, and the upper bracket is fixed on hollow cylinder 3
Upper end.There is clutch disk 4, the lower end of the upper bracket to have connecting base plate 5, connection for the upper end of the hollow cylinder 3
Disk 4 is fixedly connected with connecting base plate 5.12 circular holes, connecting base plate 5 are along the circumferential direction uniformly provided on the clutch disk 4
On be fixed with 3 screws, 120 ° of interval is distributed in 5 bottom surface of connecting base plate, and screw passes through circular hole by nut by 4 He of clutch disk
Connecting base plate 5 is fixedly connected.Different circular holes is selected by being rotatably connected chassis 5, i.e., by selecting different angles, to adjust
The position of whole upper bracket, to be directed at the center of soil sampler.
The soil sampler is split soil sampler, is made of two semicircle steel pipes 16, connector 15 and cutting ring 17；Two and half
Round steel pipe 16 pieces together a pipe, and connector 15 is fixed on one end of pipe, and cutting ring 17 is fixed on the other end of pipe, connector 15
It is connected with pallet 12 by connecting pallet 14.
The embodiment of the utility model is as follows：
1) first upper bracket and hammering pedestal are connected by clutch disk 4 and connecting base plate 5, according to upper bracket
Fetch earth on connecting circular tube 8 and track plates (or supporting course) hole position positioning hammering pedestal position, after pedestal is had good positioning, use
Bottom bracket 1 is fixed on track plates (or supporting course) by expansion bolt；
2) by conventional drilling device (such as water drilling) to non-fragment orbit superstructure (track plates (or road bed board)/railway roadbed
Plate, CA screeds/self-compacting concrete, base board/supporting course) it drills, after the completion of hole to be drilled, fetch earth assembled
Device is put into sampling hole 18, by the way that screw thread will connect pallet 14, connecting rod 13 and structure of dropping hammer connect, with special
Pipe wrench each connecting portion is locked, then connecting circular tube 8 is connected with ball-type automatic dropping device by latching, connection circle
It is connected by steel strand wires 7 between pipe 8 and hoist engine 6, hammering soil sampler can be carried out after the completion of connection, by hammering device
Weight soil sampler is hammered onto subgrade soils (includes the surface layer of subgrade bed being made of graded broken stone and the bedding that is made of A, B filler
Bottom) in, soil sampler connecting rod should be replaced in time according to the position of soil sampler, destroyed on track during avoiding during hammering
Portion's structure.After soil sampler reaches precalculated position, hammering device is removed, is then pulled out soil sampler by Special purpose pressing machine, i.e.,
The sampling analysis to high-speed railway subgrade soil can be achieved.It, can be to height based on analyzing the soil sample acquired by drawing out soil equipment
Fast Railway Roadbed (such as rising soil, settlement of subgrade) carries out direct, detailed analysis, to be railway bed
The mechanism study of disease provides the firsthand information, and then the foundation of science is provided for the management measure of Railway Roadbed.This reality
A kind of device vertically sampled for ballastless track of high-speed railway subgrade soils is proposed with novel, by dividing soil sample
Analysis, can provide scientific basis for the mechanism study of China express railway ballastless track roadbed disease and management measure.
Wherein, the length after dress is determined according to experiment demand, and non-fragment orbit surface layer of subgrade bed thickness is 400mm, intermediate course
Thickness is about 50mm, in order to obtain the soil sample of surface layer of subgrade bed and bottom layer of subgrade, it is proposed that the length of soil sampler is more than 600m, soil sampler
Semicircle steel pipe internal diameter be 90mm, with ensure 2 the largest particles particle can pass through, avoid hammering during soil sampler quilt
It blocks, 2 semicircle steel pipes of soil sampler use heavy wall (unilateral wall thickness >=12mm) steel pipe, avoid half of soil sampler during hammering
There is splitting phenomena in round steel pipe, and the edge of a knife of cutting ring needs to carry out quenching treatment with strengthen rigidity.Height after assembling is necessary
Meet the safety work limit for height (being less than 2.8m) of ballastless track of high-speed railway.
Claims (9)
1. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils, which is characterized in that including hammering device and
Drawing out soil equipment, the hammering device include rack, hoist engine（6）, steel strand wires（7）, connecting circular tube（8）It is described with structure of dropping hammer
Hoist engine（6）In rack, steel strand wires（7）One end and connecting circular tube（8）Upper end be fixedly connected, steel strand wires（7）'s
The other end is wound in hoist engine（6）On, the upper end for structure of dropping hammer and connecting circular tube（8）Lower end be connected, drawing out soil equipment include according to
Secondary connected connecting rod（13）, connection pallet（14）And soil sampler, the connecting rod（13）Upper end and the lower end of structure of dropping hammer
It is connected.
2. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 1, feature
It is, the structure of dropping hammer is mainly by ball-type automatic dropping device（9）, drop hammer（10）, guide rod（11）And pallet（12）Composition,
Ball-type automatic dropping device（9）With drop hammer（10）It is set in guide rod（11）Outside, ball-type automatic dropping device（9）Positioned at dropping hammer
（10）Top, and ball-type automatic dropping device（9）Lower end be separably set in and drop hammer（10）In, ball-type Automatic-falling dress
It sets（9）Upper end and connecting circular tube（8）Lower end by latch bolt be connected, pallet（12）It is fixed on guide rod（11）Under
End, guide rod（11）It is inserted into connecting circular tube（8）In.
3. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 1 or 2, special
Sign is that the rack includes the upper bracket for hammering pedestal and being fixed on hammering pedestal, and the hammering pedestal includes bottom
Holder（1）, ribbed stiffener（2）And hollow cylinder（3）, hollow cylinder（3）Pass through ribbed stiffener（2）It is fixedly connected on bottom bracket
（1）On, the upper bracket is fixed on hollow cylinder（3）Upper end.
4. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 3, feature
It is, the hollow cylinder（3）Upper end have clutch disk（4）, the lower end of the upper bracket has connecting base plate（5）,
Clutch disk（4）And connecting base plate（5）It is fixedly connected.
5. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 4, feature
It is, the clutch disk（4）On be along the circumferential direction uniformly provided with 12 circular holes, connecting base plate（5）On be fixed with 3 screws,
120 ° of interval is distributed in connecting base plate（5）Bottom surface, screw pass through circular hole by nut by clutch disk（4）And connecting base plate（5）
It is fixedly connected.
6. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 2, feature
It is, the soil sampler is split soil sampler, by two semicircle steel pipes（16）, connector（15）And cutting ring（17）Composition；Two
A semicircle steel pipe（16）Piece together a pipe, connector（15）It is fixed on one end of pipe, cutting ring（17）It is fixed on the another of pipe
End, connector（15）By connecting pallet（14）With pallet（12）It is connected.
7. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 6, feature
It is, the length of the soil sampler is more than 600m, the semicircle steel pipe（16）Internal diameter be 90mm, semicircle steel pipe（16）Using thickness
Wall steel pipe, i.e., unilateral wall thickness >=12mm.
8. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 6, feature
It is, the cutting ring（17）The edge of a knife need carry out quenching treatment.
9. a kind of device vertically sampled for ballastless track of high-speed railway subgrade soils according to claim 6, feature
It is, the height of the rack is necessarily less than 2.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820299586.XU CN208009388U (en) | 2018-03-05 | 2018-03-05 | A kind of device vertically sampled for ballastless track of high-speed railway subgrade soils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820299586.XU CN208009388U (en) | 2018-03-05 | 2018-03-05 | A kind of device vertically sampled for ballastless track of high-speed railway subgrade soils |
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| Publication Number | Publication Date |
|---|---|
| CN208009388U true CN208009388U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221908A (en) * | 2018-03-05 | 2018-06-29 | 浙江大学 | The device vertically sampled for ballastless track of high-speed railway subgrade soils |
-
2018
- 2018-03-05 CN CN201820299586.XU patent/CN208009388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221908A (en) * | 2018-03-05 | 2018-06-29 | 浙江大学 | The device vertically sampled for ballastless track of high-speed railway subgrade soils |
| CN108221908B (en) * | 2018-03-05 | 2023-06-13 | 浙江大学 | Device for vertically sampling foundation soil of ballastless track of high-speed railway |
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