LU502650B1 - Field sediment movement test device without disturbing bed surface state - Google Patents

Field sediment movement test device without disturbing bed surface state Download PDF

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Publication number
LU502650B1
LU502650B1 LU502650A LU502650A LU502650B1 LU 502650 B1 LU502650 B1 LU 502650B1 LU 502650 A LU502650 A LU 502650A LU 502650 A LU502650 A LU 502650A LU 502650 B1 LU502650 B1 LU 502650B1
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LU
Luxembourg
Prior art keywords
fixedly connected
work box
stress
ring
side wall
Prior art date
Application number
LU502650A
Other languages
French (fr)
Inventor
Peng Hou
Xiaojian Liu
Original Assignee
Pearl River Hydraulic Res Institute Pearl River Water Resources Commission Of The Ministry Of Water
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Application filed by Pearl River Hydraulic Res Institute Pearl River Water Resources Commission Of The Ministry Of Water filed Critical Pearl River Hydraulic Res Institute Pearl River Water Resources Commission Of The Ministry Of Water
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Publication of LU502650B1 publication Critical patent/LU502650B1/en

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00Sinking shafts

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a field sediment movement test device without disturbing the bed surface state, which comprises a work box, the bottom end of which is provided with a stabilizing component; the middle part of the top of the work box is fixedly connected with a support rod; a support cover, a first stress mechanism and a testing mechanism are sequentially arranged on the support rod from top to bottom; the support cover and the first stress mechanism are correspondingly arranged; the top end of the work box is provided with a second stress mechanism; the side wall of the work box is correspondingly arranged with the second stress mechanism, and the testing mechanism is located between the first stress mechanism and the second stress mechanism. A motor is fixedly connected in the work box; the output shaft of the motor extends out of the top of the work box.

Description

DESCRIPTION LU502650
Field sediment movement test device without disturbing bed surface state
TECHNICAL FIELD
The invention relates to the technical field of water conservancy projects, in particular to a field sediment movement test device which does not disturb the bed surface state.
BACKGROUND
Experimental research on sediment movement is an important part of the research on water and sediment movement in estuaries and coasts, and it is a hot spot of scientific research at present. At present, the important technical means of experimental observation research on sediment movement is to carry out relevant experimental observation research in laboratory through glass flume, annular flume and other experimental equipment. Most of the research objects are model sand. When the prototype sand is used for the experiment, there is a big difference between it and the field sediment movement due to problems such as model metamorphosis. It can't accurately reflect the movement of the field sediment, but in the prior art, the bed surface sediment is easily disturbed during the field sediment movement test, resulting in a large deviation of the experimental data. Therefore, a field sediment movement test device without disturbing the bed surface state is urgently needed to solve the above problems.
SUMMARY
The invention aims to provide a field sediment movement test device that does not disturb the bed surface state, so as to solve the problems existing in the prior art..
To achieve the above purpose, the invention provides the following scheme: the invention provides a field sediment movement test device without disturbing the bed surface state, which comprises a work box; the bottom end of that work box is provided with a stable component; the middle part of the top of the work box is fixedly connected with a support rod; A supporting cover, a first stress mechanism and a testing mechanism are sequentially arranged on the supporting rod from top to bottom; the support cover and the first stress mechanism are correspondingly arranged; the top end of that work box is provided with a second streb&/502650 mechanism; the side wall of that work box is correspondingly arranged with the second stress mechanism; the testing mechanism is located between the first stress mechanism and the second stress mechanism; A motor is fixedly connected in the work box, and the output shaft of the motor extends out of the top of the work box; the first stress mechanism and the second stress mechanism are both in transmission connection with the output shaft of the motor.
Preferably, the first stress mechanism comprises a circular support plate fixedly connected to the support rod; the circular support plate is positioned between the support cover and the testing mechanism, and the top end of the circular support plate is fixedly connected with a first round pipe; the top end of the first round tube is rotatably connected with a first toothed ring; the first toothed ring is in transmission connection with the output shaft of the motor; the out side wall of that first toothed re is fixedly connected with a first rotating cover; the first rotating cover is fixedly connected with an external stress ring; the outer side wall of the outer stress ring is in sliding contact with the inner side wall of the support cover.
Preferably, the second stress mechanism comprises a second round pipe fixedly connected to the top of the work box; the top end of the second round pipe is rotatably connected with a second toothed ring; the second toothed ring is in transmission connection with the output shaft of the motor; the out side wall of that second toothed re is fixedly connected with a second rotating cover; the second rotating cover is fixedly connected with an internal stress ring; the inner side wall of the internal stress ring is in sliding contact with the outer side wall of the work box; the testing mechanism is located between the circular support plate and the second toothed ring.
Preferably, the bottom of the inner side wall of the support cover and the bottom of the outer side wall of the work box are both fixedly connected with support rings, the top ends of the two support rings are located on the same horizontal plane, and the bottom ends of the external stress ring and the internal stress ring are in sliding contact with the top ends of the two support rings.
Preferably, the output shaft of the motor runs through the circular support plate, and two gears are fixedly connected to the output shaft of the motor; the two gears are respectively positioned in the first toothed ring and the second toothed ring; the inn side walls of that first tooth re and the second tooth ring are both provided with tooth grooves; the two gears akéJ502650 respectively engaged with the two tooth slots.
Preferably, the test mechanism comprises a test rod fixedly connected to the support rod, the test rod and the output shaft of the motor are respectively located at both sides of the support rod, and the test rod is fixedly connected with a detection device.
Preferably, the stabilizing assembly comprises a plurality of stabilizing rods fixedly connected to the bottom end of the work box, and the bottom ends of the stabilizing rods are conical.
Preferably, the top end of the support cover is fixedly connected with a plurality of horizontal beads at equal intervals along the circumferential direction.
The invention discloses the following technical effects: the field sediment movement test device provided by the invention is simple in structure, convenient to operate, and convenient to carry. It is separated from the outside by the support cover, and the external bed will not be disturbed during the internal test, thus realizing the field sediment movement test without disturbing the bed, realizing the stable rotation of water flow through two stress mechanisms, and ensuring the accuracy of field test data.
BRIEF DESCRIPTION OF THE FIGURES
In order to more clearly explain the embodiments of the invention or the technical scheme in the prior art, the following will briefly introduce the drawings needed in the embodiments.
Obviously, the drawings in the following description are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained according to these drawings without paying creative labor.
Fig. 1 is the structural schematic diagram of the device of the invention;
Fig. 2 is an enlarged view of a part in fig. 1 of the invention;
Fig. 3 is a schematic structural diagram of the top surface of the first toothed ring of the invention;
Fig. 4 is a schematic diagram of the rotary connection structure of the first circular tube and the first toothed ring of the invention;
Among them, 1. Work box; 2. Support rod; 3. Support cover; 4. Motor; 5. Circular suppdrt/502650 plate; 6. First round pipe; 7. First toothed ring; 8. First rotating cover; 9. External stress ring; 10.
Second round pipe; 11. Second toothed ring; 12. Second rotating cover; 13. Internal stress ring; 14. Support ring; 15. Gear; 16. Test rod; 17. Horizontal beads; 18. Stabilizing rod.
DESCRIPTION OF THE INVENTION
The following will clearly and completely describe the technical scheme in the embodiment of the invention with reference to the drawings in the embodiment of the invention. Obviously, the described embodiment is only a part of the embodiment of the invention, but not the whole embodiment. Based on the embodiments in this invention, all other embodiments obtained by ordinary technicians in this field without creative labor belong to the scope of protection of this invention.
In order to make the above objects, features and advantages of the invention more obvious and understandable, the invention will be further explained in detail with reference to the attached drawings and specific implementation methods.
The invention provides a field sediment movement test device without disturbing the bed surface state, which comprises a work box 1; the bottom end of that work box 1 is provided with a stable component; the middle part of the top of the work box 1 is fixedly connected with a support rod 2; A support cover 3, a first stress mechanism and a testing mechanism are sequentially arranged on the support bar 2 from top to bottom; the support cover 3 and the first stress mechanism are correspondingly arranged; the top of the work box 1 is provided with a second stress mechanism; the side wall of that work box 1 is correspondingly arranged with the second stress mechanism; the testing mechanism is located between the first stress mechanism and the second stress mechanism; A motor 4 is fixedly connected in the work box 1; the output shaft of the motor 4 extends out of the top of the work box 1; the first stress mechanism and the second stress mechanism are both in transmission connection with the output shaft of the motor 4.
Further optimized scheme, the first stress mechanism comprises a circular support plate 5 fixedly connected to the support rod 2; the circular support plate 5 is located between the support cover 3 and the testing mechanism; the top end of the circular support plate 5 is fixedly connected with a first circular tube 6; the top of the first round pipe 6 is rotatably connected with)502650 a first toothed ring 7. In order to ensure the stability of the rotation of the first toothed ring 7, the bottom of the first toothed ring 7 is provided with a limited sliding slot, and the top of the first circular tube 6 is fixedly connected with a limited sliding block which is slidably connected in the limited sliding slot, thus ensuring the stable rotation of the first toothed ring 7 on the first circular tube 6. The first toothed ring 7 is in transmission connection with the output shaft of the motor 4; the out side wall of that first toothed re 7 is fixedly connected with a first rotating cover 8; the first rotating cover 8 is fixedly connected with an external stress ring 9; the outer side wall of the outer stress ring 9 is in sliding contact with the inner side wall of the support cover 3.
Further optimized scheme, the second stress mechanism comprises a second circular pipe fixedly connected to the top of the work box 1; the top end of the second round pipe 10 is rotatably connected with a second toothed ring 11; the rotary connection mode of the second toothed ring 11 and the second circular tube 10 is the same as that of the first toothed ring 7 and the first circular tube 6; the second toothed ring 11 is in transmission connection with the output shaft of the motor 4; the out side wall of that second toothed re 11 is fixedly connected with a second rotating cover 12; the second rotating cover 12 is fixedly connected with an internal stress ring 13; the inner side wall of the internal stress ring 13 is in sliding contact with the outer side wall of the work box 1, and the testing mechanism is located between the circular support plate 5 and the second toothed ring 11.
Further optimization scheme, the bottom of the inner side wall of the support cover 3 and the bottom of the outer side wall of the work box 1 are both fixedly connected with the support rings 14, the top ends of the two support rings 14 are located in the same horizontal plane, and the bottom ends of the outer stress ring 9 and the inner stress ring 13 are in sliding contact with the top ends of the two support rings 14. The top ends of the two supporting rings 14 are flush with the bottom bed surface, and the external stress ring 9 and the internal stress ring 13 rotate at the top ends of the supporting rings 14, thus avoiding the agitation of the bottom sediment and ensuring the stable rotation of the external stress ring 9 and the internal stress ring 13.
Further optimization scheme, in order to realize the rotation of the external stress ring 9 and the internal stress ring 13, the output shaft of the motor 4 passes through the circular support plate 5, and the output shaft of the motor 4 is fixedly connected with two gears 15; the two gears are respectively located in the first toothed ring 7 and the second toothed ring 11; the inn sidé/502650 walls of that first tooth re 7 and the second tooth ring 11 are both provided with tooth grooves; the two gears 15 are respectively engaged with the two tooth slots; the motor 4 drives the two gears 15 to rotate; the gear 15 drives the meshed first toothed ring 7 and second toothed ring 11 to rotate; the first toothed ring 7 and the second toothed ring 11 are rotatably connected with the first circular pipe 6 and the second circular pipe 10 respectively; the stable rotation of the first toothed ring 7 and the second toothed ring 11 is ensured; the rotation of the first toothed ring 7 and the second toothed ring 11 drives the first rotating cover 8 and the second rotating cover 12 to rotate, thus driving the external stress ring 9 and the internal stress ring 13 to rotate, providing rotational power and driving water flow.
Further optimization scheme, in order to realize the test, the test mechanism includes a test bar 16 fixedly connected to the support bar 2, the test bar 16 and the output shaft of the motor 4 are located at both sides of the support bar 2, and the test bar 16 is fixedly connected with a detection device, which is preferably a high-speed camera to record the sediment movement process. The high-speed camera is not specifically described in the prior art.
Further optimization scheme, in order to ensure the stability of the device after placement, the stabilizing assembly includes a plurality of stabilizing rods 18 fixedly connected to the bottom end of the work box 1, and the bottom ends of the stabilizing rods 18 are conical.
Further optimization scheme, in order to ensure the level when the device is placed, a plurality of horizontal beads 17 are fixedly connected to the top end of the support cover 3 at equal intervals along the circumferential direction, among which the horizontal beads 17 are the prior art, and are not described in detail here.
The invention provides a field sediment movement test device which does not disturb the bed surface state. When in use, a relatively flat field test site is selected, and a plurality of stabilizing rods 18 are inserted into the bottom bed, so that the bottom end of the work box 1 abuts against the bottom bed. At the same time, the support ring 14 is buried in the bottom bed, the top surface of the support ring 14 is horizontally aligned with the top surface of the bottom bed, the flatness of the device is adjusted by a plurality of horizontal beads 17, the field water sample is injected between the external stress ring 9 and the internal stress ring 13, and the two gears 15 are driven to rotate by the motor 4. The gear 15 drives the meshed first toothed ring 7 and second toothed ring 11 to rotate, and the first toothed ring 7 and second toothed ring 11 até/502650 respectively connected with the first circular pipe 6 and the second circular pipe 10 in a rotating way, thus ensuring the stable rotation of the first toothed ring 7 and the second toothed ring 11.
The rotation of the first toothed ring 7 and the second toothed ring 11 drives the first rotating cover 8 and the second rotating cover 12 to rotate, thus driving the external stress ring 9 and the internal stress ring 13 to rotate, driving the water flow, and making the sediment on the bottom bed start up, resuspend or settle down, etc, and the data are observed and recorded by the detection device.
In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention, rather than Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.
The above-mentioned embodiments are only to describe the preferred mode of the present invention, and do not limit the scope of the present invention. Under the premise of not departing from the design spirit of the present invention, those of ordinary skill in the art can make the technical solutions of the present invention. Various deformations and improvements made shall fall within the protection scope determined by the claims of the present invention.

Claims (8)

CLAIMS LU502650
1. À field sediment movement test device without disturbing the bed state, characterized by comprising a work box (1); the bottom end of that work box (1) 1s provided with a stable component; the middle part of the top of the work box (1) is fixedly connected with a support rod (2); the support rod (2) is sequentially provided with a support cover (3), a first stress mechanism and a testing mechanism from top to bottom; the support cover (3) and the first stress mechanism are correspondingly arranged; the top end of that work box (1) is provided with a second stress mechanism; the side wall of that work box (1) is correspondingly arranged with the second stress mechanism; the testing mechanism is located between the first stress mechanism and the second stress mechanism; a motor (4) is fixedly connected in the work box (1); the output shaft of the motor (4) extends out of the top of the work box (1); the first stress mechanism and the second stress mechanism are both in transmission connection with the output shaft of the motor (4).
2. The field sediment movement test device without disturbing the bed state according to claim 1, characterized in that the first stress mechanism comprises a circular support plate (5) fixedly connected to the support rod (2); the circular support plate (5) is positioned between the support cover (3) and the testing mechanism; the top end of the circular supporting plate (5) is fixedly connected with a first round pipe (6); the top end of the first round pipe (6) is rotatably connected with a first toothed ring (7); the first toothed ring (7) is in transmission connection with the output shaft of the motor (4); the out side wall of that first toothed ring (7) is fixedly connected with a first rotating cover (8); the first rotating cover (8) is fixedly connected with an external stress ring (9); the outer side wall of the outer stress ring (9) is in sliding contact with the inner side wall of the support cover (3).
3. The field sediment movement test device without disturbing the bed state according to claim 2, characterized in that the second stress mechanism comprises a second round pipe (10) fixedly connected to the top of the work box (1); the top end of the second round pipe (10) is rotatably connected with a second toothed ring (11); the second toothed ring (11) is in transmission connection with the output shaft of the motor (4); the out side wall of that second toothed ring (11) is fixedly connected with a second rotating cover (12); the second rotating cover (12) is fixedly connected with an internal stress ring (13); the inner side wall of the internal stress ring (13) is in sliding contact with the outer side wall of the work box (1); the testit&/502650 mechanism is located between the circular support plate (5) and the second toothed ring (11).
4. The field sediment movement test device without disturbing the bed state according to claim 3, characterized in that the bottom of the inner side wall of the supporting cover (3) and the bottom of the outer side wall of the work box (1) are both fixedly connected with supporting rings (14); the top end of that two support rings (14) are position on the same horizontal plane; the bottom ends of the external stress ring (9) and the internal stress ring (13) are in sliding contact with the top ends of the two support rings (14).
5. The field sediment movement test device without disturbing the bed state according to claim 4, characterized in that the output shaft of the motor (4) penetrates through the circular support plate (5), and two gears (15) are fixedly connected to the output shaft of the motor (4); the two gears (15) are respectively located in the first gear ring (7) and the second gear ring (11); the inner side walls of the first toothed ring (7) and the second toothed ring (11) are both provided with tooth grooves, and the two gears (15) are respectively engaged with the two tooth grooves.
6. The field sediment movement test device without disturbing the bed state according to claim 3, characterized in that the test mechanism comprises a test rod (16) fixedly connected to the support rod (2); the output shafts of the test rod (16) and the motor (4) are respectively located at both sides of the support rod (2); the test rod (16) is fixedly connected with a detection device.
7. The field sediment movement test device without disturbing the bed state according to claim 1, characterized in that the stabilizing assembly comprises a plurality of stabilizing rods (18) fixedly connected to the bottom of the work box (1), and the bottom ends of the stabilizing rods (18) are conical.
8. The field sediment movement test device without disturbing the bed state according to claim 1, characterized in that the top of the support cover (3) is fixedly connected with a plurality of horizontal beads (17) at equal intervals along the circumferential direction.
LU502650A 2022-07-11 2022-08-10 Field sediment movement test device without disturbing bed surface state LU502650B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221771931.8U CN217758547U (en) 2022-07-11 2022-07-11 Open-air silt motion test device of not disturbing bed surface state

Publications (1)

Publication Number Publication Date
LU502650B1 true LU502650B1 (en) 2023-02-10

Family

ID=83872222

Family Applications (1)

Application Number Title Priority Date Filing Date
LU502650A LU502650B1 (en) 2022-07-11 2022-08-10 Field sediment movement test device without disturbing bed surface state

Country Status (2)

Country Link
CN (1) CN217758547U (en)
LU (1) LU502650B1 (en)

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CN217758547U (en) 2022-11-08

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Effective date: 20230210