CN105823616B - Bed load simulator - Google Patents
Bed load simulator Download PDFInfo
- Publication number
- CN105823616B CN105823616B CN201510003471.2A CN201510003471A CN105823616B CN 105823616 B CN105823616 B CN 105823616B CN 201510003471 A CN201510003471 A CN 201510003471A CN 105823616 B CN105823616 B CN 105823616B
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- China
- Prior art keywords
- bed load
- bucket
- load bucket
- shaft
- upper frame
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- 239000000523 sample Substances 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention is a kind of bed load simulator moved for simulating bed load in river with roll mode, including bracket, pallet, bed load bucket, driving device (adjustable speed) and temperature measuring equipment.The bed load bucket is in cylindrical shape closed at both ends, its side offers the feed inlet for being placed and taken out bed load, and is equipped with bung, and the bed load bucket level is placed on bracket, it is sequentially connected by above-mentioned driving device and bed load bucket, to drive bed load bucket rotation.Temp measuring system is the thermocouple assembly of a dual probe, and conducting wire is entered in bucket by the central axis of bed load bucket, to realize to the monitoring temperature in bucket.Pallet is located on the bracket immediately below bed load bucket, for connecing the substances such as the water for cleaning bed load bucket.The present apparatus can simulate the river deposit state that bed load rolls under the transporting action of running water.
Description
Technical field
The present invention relates to a kind of simulators, more particularly to one kind to be transported for simulating bed load in river with roll mode
Dynamic bed load simulator.
Background technique
Bed load refers to the sand grain roll, move along river bed in water flow, jumping or moving in such a way that layer moves, and is transporting
It is often swapped between bed material during dynamic.The underwater motion state complex of bed load sediment particle, sliding, rolling
Dynamic and jump is its main forms of motion.Bed load during scrolling, except by subaqueous gravity, flow action generate
Outside thrust and uplift force, there are also several other active forces, such as magnus power, saffman power, centrifugal force, additional tension stress, contact
The normal direction of point and tangential counter-force, vertical motion resistance etc..Study the quartz particles in addition to natural lighting effect, in river sand
When being moved with roll mode, to the influence that the free resonance signal of the electronics of quartz particles generates, quartz electronic free resonance is surveyed
Year is of great significance.However, being difficult to realize under field conditions (factors) to same river deposit when rolling different in river
Between when quartz electronic free resonance signal monitoring, and there is the substance in tributary to be mixed into equal disturbing factors.
Summary of the invention
It is an object of the present invention to provide the bed load simulators that one kind can simulate the rolling condition of bed load.
The present invention solves technical problem and adopts the following technical scheme that a kind of bed load simulator, including bracket, bed load bucket
And driving device,
The bed load bucket is in cylindrical shape closed at both ends, is offered on bed load bucket for being placed and taken out bed load
Feed inlet, the feed inlet closed by the bung that is mounted on bed load bucket,
The bed load bucket can be rotated, and be horizontally mounted on the bracket,
The driving device and bed load bucket are sequentially connected, for driving bed load bucket rotation.
Optionally, the present apparatus further includes temp measuring system, and the temp measuring system is thermocouple, and the probe of the thermocouple is arranged
In the bed load bucket, for monitoring the temperature in bed load bucket.
Optionally, the bed load bucket is made of opaque material.
Optionally, the quantity of the bed load bucket two, the center line of two bed load buckets in same level, and
It is symmetrically set, the driving device is sequentially connected with two bed load buckets.
Optionally, the both ends of the bed load bucket are fixedly installed with first rotating shaft and the second shaft respectively, and described first turn
Axis and the second shaft are coaxially disposed with bed load bucket, and first rotating shaft and the second shaft are rack-mount by bearing, described
Center-pole is also fixedly installed on bracket, the both ends of the bed load bucket offer through-hole, the first rotating shaft and the second shaft
On also offer through-hole, the center-pole passes through first rotating shaft, bed load bucket and the second shaft, and center-pole and first rotating shaft push away
It moves between matter bucket and the second shaft and there is gap, the conducting wire for passing through thermocouple temperature measurement conducting wire is offered on the center-pole
Hole.
Optionally, the first rotating shaft and the second shaft are fixedly mounted on the through-hole of bed load bucket, the center-pole
It is connect between first rotating shaft and the second shaft by bearing.
Optionally, the driving device is fixedly mounted on bracket, is fixedly installed on the output shaft of the driving device
Driving gear, is fixedly installed with driven gear in the first rotating shaft of two bed load bucket ends, the driving gear with
Two driven gear engagements.
Optionally, pallet is also fixedly installed on the bracket, the pallet is located at the underface of two bed load buckets.
Optionally, the bracket includes under(-)chassis, the first upper frame, the second upper frame and third upper frame,
First upper frame, the second upper frame and third upper frame are parallel to each other, and are fixedly mounted on under(-)chassis, institute
The second upper frame is stated between the first upper frame and third upper frame, the first rotating shaft is mounted on the second upper box
On frame, second shaft is mounted on third upper frame, and the center-pole and driving device are fixedly mounted on the first top
On frame.
Optionally, idler wheel is also fixedly installed on the under(-)chassis.
The invention has the following beneficial effects: the present invention by the way that bed load bucket to be installed in rotation on bracket, passes through
Driving device drives the rotation of bed load bucket, when simulating the rolling condition of bed load, the bung on bed load bucket is opened, will be pushed away
Move matter to be put into bed load bucket, then cover bung, the rotation of bed load bucket is driven by driving device, with bed load bucket from
Turn, drives the bed load in it to move in a rolling manner, to realize that river deposit rolls fortune under the transporting action of running water
The simulation of dynamic state.
Detailed description of the invention
Fig. 1 is the perspective view of bed load simulator of the present invention；
Fig. 2 is the top view of bed load simulator of the present invention；
Fig. 3 is the left view of bed load simulator of the present invention；
Fig. 4 is the main view of bed load simulator of the present invention；
Fig. 5 is the cross-sectional view in Fig. 2 along the direction A-A；
Fig. 6 is the cross-sectional view in Fig. 2 along the direction B-B；
The mark in the figure shows: 10- driving device；20- bed load bucket；21- bung；22- first rotating shaft；23-
Two shafts；24- center-pole；25- wire guide；26- driving gear；27- driven gear；28- pallet；29- mounting portion；
30- under(-)chassis；The first upper frame of 31-；The second upper frame of 32-；33- third upper frame；34- idler wheel；35-
Fixing pipe；36- first bearing seat；37- second bearing seat.
Specific embodiment
Technical solution of the present invention is further elaborated below with reference to examples and drawings.
Embodiment 1
A kind of bed load simulator is present embodiments provided, as shown in Figure 1, including bracket, pallet 28,20 and of bed load bucket
Driving device 10.Bracket is for installing bed load bucket 20, pallet 28, driving device 10 and temp measuring system.
Bracket includes under(-)chassis 30, the first upper frame 31, the second upper frame 32 and third top in the present embodiment
Frame 33.The shape of under(-)chassis 30 is rectangle, the first upper frame 31, the second upper frame 32 and third upper frame 33
Shape is downwardly open door frame, is welded by channel steel.First upper frame 31, the second upper frame 32 and
Three upper frames 33 are welded on under(-)chassis 30, and are parallel to each other between three.Second upper frame 32 is located on first
Between portion's frame 31 and third upper frame 33.Idler wheel 34, idler wheel in the present embodiment are also fixedly installed on under(-)chassis 30
34 quantity is 4, is fixedly mounted on the four corners of under(-)chassis 30.
As shown in connection with fig. 4, bed load bucket 20 is horizontally disposed, is installed in rotation on bracket, and bed load bucket 20 is in both ends
Closed cylindrical shape offers the feed inlet for being placed and taken out bed load, feed inlet position on the side wall of bed load bucket 20
In the middle part of bed load bucket 20, feed inlet is closed by the bung 21 being mounted on bed load bucket 20, bung 21 in the present embodiment
It is removably mounted on feed inlet by bolt, in order to avoid bed load and water are in the gap between feed inlet and bung 21
It leaks out, is provided with sealing ring on bung 21, when bung 21 covers on bed load bucket 20, bung 21 is outer with bed load bucket 20
Wall squeezes sealing ring, so that sealing ring is deformed, to reach preferable sealing effect.Wherein sealing ring can be fixed on bung
Or on the outer wall of bed load bucket.
As shown in connection with fig. 3, quantity two of bed load bucket 20 in the present embodiment, the center line of two bed load buckets 20 exists
It in same level, and is symmetrically set, driving device 10 and two bed load buckets 20 are sequentially connected, for driving bed load
20 rotations of bucket.
Bed load bucket 20 is made of opaque material in the present embodiment, such as stainless steel, to avoid ambient pair
The influence of bed load guarantees the accuracy of simulation.
As shown in Fig. 2, being fixedly installed with first rotating shaft 22 and second respectively at the both ends of bed load bucket 20 in the present embodiment
Shaft 23, first rotating shaft 22 and the second shaft 23 are coaxially disposed with bed load bucket 20, and first rotating shaft 22 and the second shaft 23 are logical
Cross that bearing is rack-mount, wherein first rotating shaft 22 is mounted on the first bearing seat on the second upper frame 32 by bearing
36, the second shaft 23 is mounted in the second bearing seat 37 on third upper frame 33 by bearing.It is being elapsed in the present embodiment
The both ends of matter bucket 20 offer through-hole, also offer through-hole in first rotating shaft 22 and the second shaft 23.Bed load bucket 20 and bracket
Between connection type can also using directly by the both ends of bed load bucket 20 by bearing it is rack-mount by the way of.
Specifically, as shown in figure 5, extending inwardly a mounting portion in the inner end of first rotating shaft 22 and the second shaft 23
29, the outer diameter of mounting portion 29 is less than the outer diameter of first rotating shaft 22 and the second shaft 23, and the outer diameter of mounting portion 29 is slightly less than passage
The diameter for the through-hole that 20 both ends of matter bucket open up, is provided with screw thread on mounting portion 29.In first rotating shaft 22 and the second shaft 23
Mounting portion is inserted into the through-hole on bed load bucket 20, and is equipped with nut on the mounting portion 29 being located in bed load bucket 20, is pushed away
The end wall for moving matter bucket 20 is fixed by the inner end face clamping of nut and first rotating shaft 22 or the second shaft 23, to realize first turn
The fixation of axis 22 and the second shaft 23 and bed load bucket 20.In order to improve leakproofness, mounting groove is offered on mounting portion 29, is pacified
Sealing ring is provided in tankage, for sealing the gap on bed load bucket 20 between through-hole and mounting portion 29.
In order to verify the influence that temperature generates bed load in rolling condition, it is provided with temp measuring system in the present apparatus, is somebody's turn to do
Temp measuring system uses thermocouple, the preferably thermocouple of dual probe, and the probe of thermocouple is arranged in bed load bucket, pushes away for monitoring
Move the temperature in matter bucket.Center-pole 24 is fixedly installed on bracket.Specifically, center-pole 24 is fixedly mounted on the as shown in Figure 5
On one upper frame 31.Center-pole 24 passes through first rotating shaft 22, bed load bucket 20 and the second shaft 23, center-pole 24 and first turn
There is gap between axis 22, bed load bucket 20 and the second shaft 23.It is offered on center-pole 24 for being surveyed across thermocouple
The wire guide 25 of warm conducting wire.As shown in connection with fig. 6, it is fixedly installed with fixing pipe 35 at the middle part of center-pole 24 in the present embodiment, Gu
The upper end for determining pipe 35 is connected to the wire guide 25 of center-pole 24, and the lower ending opening of fixing pipe 35 is downward, the probe setting of thermocouple
In in fixing pipe 35.
In order to keep center-pole 24 more firm, connected between center-pole 24 and first rotating shaft 22 and the second shaft 23 by bearing
It connects.
As shown in Figure 1, driving device 10 is fixedly mounted on bracket, specifically, driving device 10 is fixedly mounted on first
On upper frame 31.In conjunction with shown in Fig. 2, Fig. 3, driving gear 26 is fixedly installed on the output shaft of driving device 10, two push away
It moves in the first rotating shaft 22 of 20 end of matter bucket and is fixedly installed with driven gear 27, driving gear 26 is nibbled with two driven gears 27
It closes.Driving gear 26 is located between two driven gears 27, and the number of teeth of driven gear 27 is greater than the number of teeth of driving gear 26.This reality
It applies driving device 10 in example and uses decelerating motor, motor can control its revolving speed by controller.Certainly, driving device 10 can also
To use such as other power sources of hydraulic motor.
In the present embodiment, pallet 28 is fixedly mounted on bracket, and as shown in Fig. 1, Fig. 5, Fig. 6, pallet 28, which is located at two, to be pushed away
The underface of matter bucket 20 is moved, for connecing the substances such as the water for cleaning bed load bucket.Pallet 28 is in the side of upper end opening in the present embodiment
It is box-like, it is arranged between the second upper frame 32 and third upper frame 33.
This bed load simulator drives two bed load buckets 20 to rotate simultaneously when in use, by motor, so as to
It realizes two different bed loads while simulating the movement of roll mode, and then improve simulation precision.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of bed load simulator, which is characterized in that including bracket, bed load bucket (20) and driving device (10),
The bed load bucket (20) is in cylindrical shape closed at both ends, offers on bed load bucket (20) and pushes away for being placed and taken out
The feed inlet of matter is moved, the feed inlet is closed by the bung (21) being mounted on bed load bucket (20),
The bed load bucket (20) can be rotated, and be horizontally mounted on the bracket,
The driving device (10) and bed load bucket (20) are sequentially connected, for driving bed load bucket (20) rotation；
It further include temp measuring system, the temp measuring system is thermocouple, and the probe of the thermocouple is arranged in the bed load bucket
(20) in, for monitoring the temperature in bed load bucket (20)；
The both ends of the bed load bucket (20) are fixedly installed with first rotating shaft (22) and the second shaft (23) respectively, and described first turn
Axis (22) and the second shaft (23) are coaxially disposed with bed load bucket (20), and first rotating shaft (22) and the second shaft (23) pass through axis
It holds rack-mount, is also fixedly installed on the bracket center-pole (24), the both ends of the bed load bucket (20) offer
Through-hole, through-hole is also offered on the first rotating shaft (22) and the second shaft (23), and the center-pole (24) passes through first rotating shaft
(22), bed load bucket (20) and the second shaft (23), center-pole (24) and first rotating shaft (22), bed load bucket (20) and second turn
There is gap between axis (23), the wire guide for passing through thermocouple temperature measurement conducting wire is offered on the center-pole (24)
(25)。
2. bed load simulator according to claim 1, which is characterized in that the bed load bucket (20) is using opaque
Material production.
3. bed load simulator according to claim 1 or 2, which is characterized in that the quantity two of the bed load bucket (20)
A, the center line of two bed load buckets (20) is symmetrically set in same level, the driving device (10) with
Two bed load bucket (20) transmission connections.
4. bed load simulator according to claim 3, which is characterized in that the first rotating shaft (22) and the second shaft
(23) it is fixedly mounted on the through-hole of bed load bucket (20), the center-pole (24) and first rotating shaft (22) and the second shaft
(23) it is connected between by bearing.
5. bed load simulator according to claim 4, which is characterized in that the driving device (10) is fixedly mounted on branch
It on frame, is fixedly installed with driving gear (26) on the output shaft of the driving device (10), two bed load bucket (20) ends
It is fixedly installed with driven gear (27) in the first rotating shaft (22) in portion, the driving gear (26) and two driven gears (27)
Engagement.
6. bed load simulator according to claim 5, which is characterized in that be also fixedly installed with pallet on the bracket
(28), the pallet (28) is located at the underface of two bed load buckets (20).
7. bed load simulator according to claim 6, which is characterized in that the bracket includes under(-)chassis (30),
One upper frame (31), the second upper frame (32) and third upper frame (33), first upper frame (31), on second
Portion's frame (32) and third upper frame (33) are parallel to each other, and are fixedly mounted on under(-)chassis (30), second top
For frame (32) between the first upper frame (31) and third upper frame (33), the first rotating shaft (22) is mounted on second
On upper frame (32), second shaft (23) is mounted on third upper frame (33), the center-pole (24) and driving
Device (10) is fixedly mounted on the first upper frame (31).
8. bed load simulator according to claim 7, which is characterized in that be also fixedly mounted on the under(-)chassis (30)
There are idler wheel (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003471.2A CN105823616B (en) | 2015-01-04 | 2015-01-04 | Bed load simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003471.2A CN105823616B (en) | 2015-01-04 | 2015-01-04 | Bed load simulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105823616A CN105823616A (en) | 2016-08-03 |
| CN105823616B true CN105823616B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510003471.2A Expired - Fee Related CN105823616B (en) | 2015-01-04 | 2015-01-04 | Bed load simulator |
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| Country | Link |
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| CN (1) | CN105823616B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186587A (en) * | 2018-09-14 | 2019-01-11 | 中国水利水电科学研究院 | A kind of variable pebble bed-load motion study device counted certainly with track of specific gravity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196801A (en) * | 2013-03-04 | 2013-07-10 | 神华集团有限责任公司 | Method and apparatus for measuring dynamic thermal stability of solid particles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK149030C (en) * | 1983-05-10 | 1986-07-21 | Inter Ikea As | PROCEDURE FOR TESTING CONSTRUCTION UNITS WITHIN THE MOBILE AREA AND THE ENVIRONMENTAL ENVIRONMENTS IN THEIR PRESENT COMPOSITIVE CONDITIONS AND APPARATUS FOR USING THE PROCEDURE |
| TWI444616B (en) * | 2012-06-06 | 2014-07-11 | Univ Nat Taiwan Science Tech | Rotary-drum hydraulic-impact abrasion machine |
| CN103344410B (en) * | 2013-06-13 | 2015-08-19 | 扬州大学 | A kind of analogue means of continous-stable current water |
| CN203443763U (en) * | 2013-06-14 | 2014-02-19 | 河海大学 | Device of simulating resuspension of in situ bottom mud in shallow lake complex circumfluence condition and using method thereof |
| CN203534792U (en) * | 2013-10-25 | 2014-04-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Bottom-sitting all-weather bed load sediment real-time monitor |
| CN204044040U (en) * | 2014-07-30 | 2014-12-24 | 中国水利水电科学研究院 | The real-time measurement apparatus of a kind of bed load discharge and grain composition |
| CN204330282U (en) * | 2015-01-04 | 2015-05-13 | 中国地震局地质研究所 | Traction load simulator |
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2015
- 2015-01-04 CN CN201510003471.2A patent/CN105823616B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196801A (en) * | 2013-03-04 | 2013-07-10 | 神华集团有限责任公司 | Method and apparatus for measuring dynamic thermal stability of solid particles |
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