CN113739681A - Deformation detection device for soil slope - Google Patents
Deformation detection device for soil slope Download PDFInfo
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- CN113739681A CN113739681A CN202111049141.9A CN202111049141A CN113739681A CN 113739681 A CN113739681 A CN 113739681A CN 202111049141 A CN202111049141 A CN 202111049141A CN 113739681 A CN113739681 A CN 113739681A
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- 239000002689 soil Substances 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 33
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention relates to the field of geological deformation detection, in particular to a deformation detection device for a soil slope, which comprises a support frame, a swing rod, an inertia wheel assembly and a trigger piece, wherein the upper end of the swing rod can be arranged on the support frame in a left-right swinging manner; the two inertia wheel assemblies are arranged in bilateral symmetry about the swing rod, each inertia wheel assembly comprises two inertia wheels, the two inertia wheels rotate in opposite directions, are respectively positioned on the left side and the right side of the swing rod and are connected through tension springs extending leftwards and rightwards; the triggering part supports the two inertia wheel assemblies to keep the inertia wheel assemblies still; the left side and the right side of the swing rod are provided with bearing platforms, the inertia wheel assemblies move downwards under the action of gravity when the trigger piece moves downwards, the two inertia wheels are supported by the bearing platforms and move towards the direction far away from the swing rod respectively under the action of rotation friction of the bearing platforms so as to be separated from the bearing platforms, the inertia wheels return to the bearing platforms under the action of tension springs after being far away from the swing rod by a preset distance, and the gravity of the swing rod is changed by intermittently supporting the bearing platforms, so that the swing rod is enabled to tend to be vertical.
Description
Technical Field
The invention relates to the field of geological deformation detection, in particular to a deformation detection device for a soil slope.
Background
The side slope refers to a slope surface with a certain slope which is formed on two sides of the roadbed to ensure the stability of the roadbed. Classifying according to stratum lithology: can be divided into soil slopes and rock slopes. There are many factors that affect the stability of a soil slope, specifically, the type and properties of the rock-soil mass constituting the slope, the geological structure of the slope, the form of the slope, the groundwater, etc., the vibration effect, the climatic conditions, the weathering effect, the vegetation of the slope, the human engineering activities, etc. In order to ensure the safety of engineering construction and operation, the deformation of the soil slope needs to be detected, so that the soil slope is maintained in time, and the landslide phenomenon of the soil slope is prevented.
The detection of soil slope deformation needs to regularly measure and compare the slope of the slope to obtain the deformation result of the slope, when the slope of the slope is measured at each time, the angle of the slope is obtained by utilizing the included angle between the slope surface and the vertical direction, the measurement result can be more accurate and has comparability, a plurality of stop positions of the existing detection device after the swing rod swings are used as the vertical positions, but because friction often exists between the swing rod and the rotating shaft, the stop positions of the swing rod can have certain deviation with the real vertical direction, the error of the measurement result is easy to increase when the measurement is carried out for a plurality of times, and therefore, the slope deformation detection device which can stop the swing rod at the vertical position as much as possible is needed, and the measurement result is more accurate.
Disclosure of Invention
The invention provides a deformation detection device for a soil slope, which aims to solve the problem that the vertical position of a swing rod cannot be determined by the conventional detection device.
The deformation detection device for the soil slope adopts the following technical scheme:
a deformation detection device for a soil slope comprises a support frame, a swing rod, a power mechanism, an inertia wheel assembly, a trigger piece and a heavy hammer, wherein the upper end of the swing rod is rotatably arranged on the support frame around a rotating shaft extending forwards and backwards; the two inertia wheel assemblies are arranged in bilateral symmetry about the swing rod, each inertia wheel assembly comprises an inertia wheel shaft and an inertia wheel, the inertia wheel shafts extend in the front-back direction, the inertia wheels are rotatably arranged on the inertia wheel shafts, and the inertia wheels of the two inertia wheel assemblies are respectively positioned on the left side and the right side of the swing rod and are connected through tension springs extending leftwards and rightwards; the heavy hammer is arranged at the lower end of the trigger part, and after the swing rod is lifted upwards by a preset angle and then freely falls by the preset angle, the trigger part is driven to move downwards by a preset distance under the centrifugal action and then is separated from the trigger part; the power mechanism drives the two inertia wheels to rotate in opposite directions before the trigger piece moves downwards, and the two inertia wheels continue to rotate under the action of inertia after the trigger piece moves downwards; bearing platforms are arranged on the left side and the right side of the oscillating bar and are positioned below the inertia wheel; the trigger part is supported on the elastic support part on the swing rod, and the upper end of the trigger part supports the inertia wheel assembly, so that the two inertia wheels are positioned above the bearing platform and fall on the bearing platform under the action of gravity after moving downwards; the inertia wheel moves towards the direction far away from the swing rod respectively under the action of rotational friction with the bearing platform to be separated from the bearing platform, and returns to the bearing platform under the action of the tension spring after being far away from the swing rod for a preset distance, and the gravity of the swing rod is changed by intermittently bearing against the bearing platform, so that the swing rod is enabled to tend to be vertical.
Optionally, each inertia wheel assembly further comprises a first connecting rod and a second connecting rod, and the lower end of the first connecting rod and the upper end of the second connecting rod are hinged around the inertia wheel shaft; the upper ends of first connecting rods of the two inertia wheel assemblies are hinged around a first hinge shaft extending forwards and backwards, the first hinge shaft can be vertically and slidably mounted on the swing rod, the lower ends of second connecting rods of the two inertia wheel assemblies are hinged around a second hinge shaft extending forwards and backwards, the second hinge shaft can vertically slide relative to the swing rod, and two ends of the tension spring are respectively connected with the two second connecting rods, so that the two inertia wheels are mutually close by pulling the two second connecting rods to mutually close; the upper end of the trigger part supports the two second connecting rods, so that a four-connecting-rod structure formed by the two first connecting rods and the two second connecting rods in a surrounding mode is kept stable, and the two inertia wheels are static.
Optionally, a mounting groove is formed in the front side of the swing rod, two symmetrically distributed supporting slide blocks are arranged in the mounting groove, the two supporting slide blocks can be mounted in the mounting groove in a left-right sliding manner, and the upper end of each supporting slide block tightly abuts against the side wall of the mounting groove; the upper end parts of the two supporting slide blocks are provided with inclined planes for supporting the second articulated shaft, the lower end parts of the two supporting slide blocks are provided with right-angled step surfaces, and the outer sides of the two supporting slide blocks are respectively connected with the side wall of the mounting groove through a pressure spring; the second hinge bearing is close to the inclined planes at the upper end parts of the two supporting slide blocks, extrudes the two supporting slide blocks outwards when moving downwards along with the inertia wheel assembly and enters between the two supporting slide blocks, and impacts the right-angle step surfaces at the lower end parts of the two supporting slide blocks when moving upwards along with the two inertia wheels away from the swing rod so as to impact the swing rod upwards, thereby increasing the impact frequency of the swing rod and promoting the swing rod to be vertical.
Optionally, the power mechanism comprises a fixed wheel, a transmission belt, a rotating wheel, a first gear, a fixed shaft, a second gear, a third gear, a first one-way bearing and a second one-way bearing, wherein the fixed wheel is fixedly mounted on the support frame, is positioned at the rear side of the oscillating bar and is coaxial with the rotating center at the upper end of the oscillating bar; the fixed shaft extends along the front-back direction, is arranged on the swing rod and is positioned between the two inertia wheels; the first gear is rotatably arranged on the fixed shaft and is connected with the fixed wheel through a transmission belt; when the swing rod lifts up a preset angle to the left and then freely falls down, the rotating wheel rotates around the anticlockwise direction under the action of belt transmission, and when the swing rod lifts up the preset angle to the right and then freely falls down, the rotating wheel rotates around the clockwise direction under the action of belt transmission; the rear end of each inertia wheel is provided with a gear shaft extending forwards and backwards; the first one-way bearing is arranged on a gear shaft of the left inertia wheel, the second gear is arranged on the first one-way bearing and is externally meshed with the first gear, and the first one-way bearing is configured to enable the second gear to idle on the gear shaft arranged on the second gear when the second gear rotates clockwise, and enable the second gear to drive the gear shaft arranged on the second gear to rotate when the second gear rotates anticlockwise so as to drive the left inertia wheel to rotate; the second one-way bearing is arranged on a gear shaft of the right inertia wheel, the third gear is arranged on the second one-way bearing and is externally meshed with the first gear, and the second one-way bearing is configured to enable the third gear to idle on the gear shaft arranged on the third gear when the third gear rotates in the anticlockwise direction and enable the third gear to drive the gear shaft arranged on the third gear to rotate when the third gear rotates in the clockwise direction so as to drive the right inertia wheel to rotate; when the second gear idles, the third gear drives the inertia wheel on the right side to rotate around the direction opposite to the third gear through the transmission mechanism, and when the third gear idles, the second gear drives the inertia wheel on the left side to rotate around the direction opposite to the second gear through the transmission mechanism.
Optionally, the transmission mechanism includes a fourth gear and a fifth gear, the fourth gear is fixedly mounted at the rear end of the right gear shaft, the fifth gear is fixedly mounted at the rear end of the left gear shaft, and the fourth gear and the fifth gear are always meshed.
Optionally, a vertical plate sliding groove extending along the length direction of the swing rod is further formed in the front side of the swing rod, and the upper end of the vertical plate sliding groove is communicated with the mounting groove; the trigger comprises two vertical plates arranged in parallel, a transverse plate and an inserting rod, wherein the transverse plate is connected with the lower ends of the two vertical plates, the vertical plates comprise a supporting part and a blocking part, the upper ends of the supporting parts are used for supporting two second connecting rods, the blocking part is positioned at the rear side of the supporting part and can be installed in a vertical plate sliding groove at the front side of the swing rod in a vertically sliding manner, the upper end part of the blocking part of the trigger is positioned in the installation groove in an initial state, the blocking parts of the two vertical plates are respectively positioned at the outer sides of the two supporting sliding blocks so as to block the two supporting sliding blocks from being away from each other, and the two supporting sliding blocks are allowed to be away from each other after the trigger moves downwards for a preset distance; the front side of the swing rod is also provided with a bulge so as to block the trigger piece from further moving downwards by blocking the transverse plate after the trigger piece moves downwards for a preset distance; the inserted bar is vertically arranged below the transverse plate, the upper end of the inserted bar is fixedly connected with the lower surface of the transverse plate, and the lower end of the inserted bar is inserted into the heavy hammer and is in frictional contact with the heavy hammer so as to be separated from the inserted bar after the heavy hammer drives the trigger piece to move downwards for a preset distance.
Optionally, two clamping platforms are arranged on the front side of the swing rod in a symmetrical distribution mode, the two clamping platforms are arranged at intervals, two unlocking slide holes extending left and right are formed in the positions close to one surface of the two clamping platforms, and the elastic supporting piece comprises two unlocking slide blocks respectively installed in the two unlocking slide holes and two springs respectively driving the two unlocking slide blocks to extend out of the unlocking slide holes; the counter weight comprises a lower hammer head, a supporting block and a hollow pipe for connecting the lower hammer head and the supporting block, the supporting block is positioned above the lower hammer head, and the inserted rod penetrates through the supporting block and is inserted into the hollow pipe of the counter weight; the support block is supported above the extending ends of the two unlocking slide blocks in the initial state; the extending ends of the two unlocking sliding blocks are ball-head type, so that the heavy hammer can further move downwards by extruding the two unlocking sliding blocks outwards when moving downwards under the centrifugal action.
Optionally, the outer edge of the upper surface of the platform is an arcuate surface to move outwardly and upwardly along the arcuate surface as the inertia wheel rotates on the upper surface of the platform and moves outwardly to the edge of the platform.
Optionally, a dial is arranged on the front side surface of the fixed wheel to record the swinging position of the swing rod.
Optionally, the support frame includes underframe and branch, and branch has two, and both ends about just the lower extreme all is fixed in the underframe upper surface, two branch upper end fixed connection, and the hookup location is provided with the back shaft that extends around, and the pendulum rod upper end is rotationally installed on the back shaft.
The invention has the beneficial effects that: according to the deformation detection device for the soil slope, the swing rod falls off through the heavy punch when swinging, so that the gravity of the swing rod is reduced, the positive pressure of the rotation position of the swing rod is further reduced, and the friction force of the rotation position is further reduced; and the swing rod is intermittently moved outwards and driven to upwards impact the second articulated shaft, so that the positive pressure of the rotation positions of the swing rod and the support frame is reduced, and further the friction force of the rotation positions is reduced, therefore, the swing rod tends to be vertical, the swing rod is continuously upwards impacted to cause vibration for the rotation positions of the swing rod and the support frame, the swing rod is also caused to tend to be vertical, and further the measurement result is more accurate.
Furthermore, the inertia wheel returns to the bearing platform under the tension of the tension spring, downward pressure is provided for the swing rod, downward impact is caused to the swing rod, the vibration frequency of the swing rod is increased, the swing rod is made to vibrate up and down in the direction close to the vertical direction, the amplitude and frequency of the swing rod in the horizontal swinging mode are reduced, and the detection time is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an embodiment of the soil slope deformation detection device of the present invention;
FIG. 2 is a schematic view of an embodiment of a pendulum rod and an initial state of a member mounted on the pendulum rod of the soil slope deformation detecting device of the present invention;
FIG. 3 is a cross-sectional view taken at A in FIG. 2;
FIG. 4 is a schematic diagram illustrating the state of the swing link and the components mounted on the swing link after the weight is disengaged in the deformation detecting device for a soil slope according to the present invention;
FIG. 5 is a schematic view showing the state of the inertia wheels being away from each other in the embodiment of the soil slope deformation detecting device of the present invention;
FIG. 6 is a cross-sectional view taken at B of FIG. 5;
FIG. 7 is a rear view and a cross-sectional view of a swing link and a power mechanism in an embodiment of the soil slope deformation detecting device of the present invention;
FIG. 8 is a schematic view of the connection between the right inertia wheel and the fourth gear of the soil slope deformation detecting device of the present invention;
FIG. 9 is a schematic structural diagram of a swing link in an embodiment of the soil slope deformation detecting device of the present invention;
FIG. 10 is a schematic view of the connection between the second connecting rod and the flywheel shaft in the deformation detecting device for soil slopes according to the present invention;
FIG. 11 is a schematic structural view of a trigger in an embodiment of the soil slope deformation detecting device of the present invention;
in the figure: 1. a support frame; 101. a support shaft; 2. a swing rod; 21. a long hole; 22. a first chute; 23. a bearing platform; 24. an arc-shaped surface; 25. a compression spring hole; 26. mounting grooves; 27. a second chute; 28. a vertical plate chute; 29. a guard plate; 210. clamping a platform; 211. unlocking the sliding hole; 212. a fixed shaft; 3. an inertia wheel; 31. a fourth gear; 32. a gear shaft; 35. a fifth gear; 4. a second connecting rod; 42. a tension spring plate; 43. an inertia wheel shaft; 5. a first connecting rod; 6. a fixed wheel; 61. a dial scale; 7. a drive belt; 8. a rotating wheel; 81. a first gear; 9. a trigger; 91. a blocking portion; 92. a support portion; 93. inserting a rod; 10. a tension spring; 11. a second hinge shaft; 12. a support slide block; 13. a pressure spring; 14. a first one-way bearing; 15. a second gear; 16. a weight; 17. unlocking the slide block; 18. a first hinge shaft; 19. a third gear; 20. and a second one-way bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the deformation detection device for soil slope of the invention, as shown in fig. 1 to 11, comprises a support frame 1, a swing rod 2, a power mechanism, an inertia wheel assembly, a trigger 9 and a heavy hammer 16,
the upper end of the swing rod 2 can be rotatably arranged on the support frame 1 around a rotating shaft extending forwards and backwards;
the two inertia wheel assemblies are arranged in bilateral symmetry about the swing rod 2, each inertia wheel assembly comprises an inertia wheel shaft 43 and an inertia wheel 3, the inertia wheel shafts 43 extend in the front-back direction, the inertia wheels 3 are rotatably arranged on the inertia wheel shafts 43, and the inertia wheels 3 of the two inertia wheel assemblies are respectively positioned at the left side and the right side of the swing rod 2 and are connected through tension springs 10 extending leftwards and rightwards;
the heavy hammer 16 is arranged at the lower end of the trigger part 9, and after the swing rod 2 is lifted upwards by a preset angle and then freely falls by the preset angle, the trigger part 9 is driven to move downwards by a preset distance under the centrifugal action and then is separated from the trigger part 9;
the power mechanism drives the two inertia wheels 3 to rotate in opposite directions before the trigger 9 moves downwards, and the two inertia wheels 3 continue to rotate under the action of inertia after the trigger 9 moves downwards;
bearing platforms 23 are arranged on the left side and the right side of the oscillating bar 2, and the bearing platforms 23 are positioned below the inertia wheel 3;
the trigger part 9 is supported on the elastic support part on the swing rod 2, and the upper end supports the inertia wheel assembly, so that the two inertia wheels 3 are positioned above the bearing platform 23, and the inertia wheels 3 fall on the bearing platform 23 under the action of gravity after moving downwards;
the inertia wheel 3 respectively moves towards the direction far away from the swing rod 2 under the action of the rotation friction of the inertia wheel and the bearing platform 23 so as to be separated from the bearing platform 23, returns to the bearing platform 23 under the action of the tension spring 10 after being far away from the swing rod 2 by a preset distance, and then moves towards the direction far away from the swing rod 2 again; through intermittently outwards moving and driving the second articulated shaft 11 to upwards strike the swing rod 2, the positive pressure of the swing rod 2 and the rotating position of the support frame 1 is reduced, and further the friction force of the rotating position is reduced, so that the swing rod 2 tends to be vertical, the swing rod 2 is continuously upwards struck to cause vibration for the rotating positions of the swing rod 2 and the support frame 1, and the swing rod 2 also tends to be vertical.
In the present embodiment, as shown in fig. 2 and 4, each inertia wheel assembly further includes a first connecting rod 5 and a second connecting rod 4, and the lower end of the first connecting rod 5 and the upper end of the second connecting rod 4 are hinged around the inertia wheel shaft 43; the upper ends of the first connecting rods 5 of the two inertia wheel assemblies are hinged around first hinge shafts 18 extending forwards and backwards, the first hinge shafts 18 can be vertically and slidably mounted on the swing rod 2, the lower ends of the second connecting rods 4 of the two inertia wheel assemblies are hinged around second hinge shafts 11 extending forwards and backwards, the second hinge shafts 11 can vertically slide relative to the swing rod 2, and two ends of the tension spring 10 are respectively connected with the two second connecting rods 4, so that the two inertia wheels 3 are mutually close by pulling the two second connecting rods 4 to mutually close; the upper end of the trigger 9 supports the two second connecting rods 4, so that a four-link structure enclosed by the two first connecting rods 5 and the two second connecting rods 4 is kept stable, and the two inertia wheels 3 are still.
In this embodiment, as shown in fig. 3 and 5, a mounting groove 26 is further disposed on the front side of the swing rod 2, two supporting sliders 12 are symmetrically disposed in the mounting groove 26, the two supporting sliders 12 are slidably mounted in the mounting groove 26 from left to right, and the upper end of the supporting slider abuts against the upper side wall of the mounting groove 26; the upper ends of the two supporting sliders 12 are provided with inclined planes for supporting the second hinge shaft 11, and the lower ends are provided with right-angled step surfaces; the left side wall and the right side wall of the mounting groove 26 are both provided with a compression spring hole 25 extending left and right, the outer sides of the two supporting sliders 12 are respectively connected with a compression spring 13, one end of each compression spring 13 is mounted in the compression spring hole 25, and the other end of each compression spring 13 is connected with one supporting slider 12 and is connected with the side wall of the mounting groove 26 through one compression spring 13; the second hinge shaft 11 is supported against the inclined planes of the upper end parts of the two supporting sliders 12, extrudes the two supporting sliders 12 outwards and enters between the two supporting sliders 12 when moving downwards along with the inertia wheel assembly, and impacts the right-angle step surfaces of the lower end parts of the two supporting sliders 12 to further impact the swing rod 2 upwards when moving upwards along with the two inertia wheels 3 away from the swing rod 2, so that the impact frequency of the swing rod 2 is increased, and the swing rod 2 is enabled to tend to be vertical.
In this embodiment, as shown in fig. 7, the power mechanism includes a fixed wheel 6, a transmission belt 7, a rotating wheel 8, a first gear 81, a fixed shaft 212, a second gear 15, a third gear 19, a first one-way bearing 14, and a second one-way bearing 20, wherein the fixed wheel 6 is fixedly mounted on the support frame 1, is located at the rear side of the swing link 2, and is coaxial with the rotation center of the upper end of the swing link 2; the fixed shaft 212 extends in the front-rear direction, is mounted on the swing rod 2, and is positioned between the two inertia wheels 3; the first gear 81 is rotatably arranged on the fixed shaft 212 and is connected with the fixed wheel 6 through a transmission belt 7; when the oscillating bar 2 is lifted up by a preset angle to the left and then freely falls down, the rotating wheel 8 rotates around the anticlockwise direction under the action of belt transmission, and when the oscillating bar 2 is lifted up by a preset angle to the right and then freely falls down, the rotating wheel 8 rotates around the clockwise direction under the action of belt transmission; the rear end of each inertia wheel 3 is provided with a gear shaft 32 extending forwards and backwards; the first one-way bearing 14 is arranged on the gear shaft 32 of the left inertia wheel 3, the second gear 15 is arranged on the first one-way bearing 14 and is externally meshed with the first gear 81, and the first one-way bearing 14 is configured to enable the second gear 15 to idle on the gear shaft 32 arranged on the second gear 15 when the second gear 15 rotates clockwise, and enable the second gear 15 to drive the gear shaft 32 arranged on the second gear 15 to rotate when the second gear 15 rotates anticlockwise so as to drive the left inertia wheel 3 to rotate; the second one-way bearing 20 is arranged on the gear shaft 32 of the right inertia wheel 3, the third gear 19 is arranged on the second one-way bearing 20 and is externally meshed with the first gear 81, and the second one-way bearing 20 is configured to enable the third gear 19 to idle on the gear shaft 32 arranged on the third gear 19 when the third gear 19 rotates in the anticlockwise direction, and enable the third gear 19 to drive the gear shaft 32 arranged on the third gear 19 to rotate when the third gear 19 rotates in the clockwise direction, so as to drive the right inertia wheel 3 to rotate; when the second gear 15 idles, the third gear 19 drives the right inertia wheel 3 to rotate around the direction opposite to the third gear 19 through the transmission mechanism, and when the third gear 19 idles, the second gear 15 drives the left inertia wheel 3 to rotate around the direction opposite to the second gear 15 through the transmission mechanism.
In the present embodiment, as shown in fig. 4, the transmission mechanism includes a fourth gear 31 and a fifth gear 35, the fourth gear 31 is fixedly mounted on the rear end of the right gear shaft 32, the fifth gear 35 is fixedly mounted on the rear end of the left gear shaft 32, and the fourth gear 31 and the fifth gear 35 are always engaged with each other.
In the present embodiment, as shown in fig. 9, a vertical plate sliding groove 28 extending along the length direction of the swing rod 2 is further disposed at the front side of the swing rod 2, and the upper end of the vertical plate sliding groove 28 is communicated with the mounting groove 26; the trigger 9 comprises two vertical plates arranged in parallel, a transverse plate connected with the lower ends of the two vertical plates and an insertion rod 93, the vertical plates comprise supporting parts 92 and blocking parts 91, the upper ends of the supporting parts 92 are used for supporting the two second connecting rods 4, the blocking parts 91 are positioned on the rear sides of the supporting parts 92 and can be installed in vertical plate sliding grooves 28 on the front sides of the swing rods 2 in a vertically sliding mode, the upper ends of the blocking parts 91 of the trigger 9 are positioned in the installation grooves 26 in the initial state, the blocking parts 91 of the two vertical plates are respectively positioned on the outer sides of the two supporting sliding blocks 12 to block the two supporting sliding blocks 12 from being away from each other, and the two supporting sliding blocks 12 are allowed to be away from each other after the trigger 9 moves downwards for a preset distance; a bulge is further arranged on the front side of the oscillating bar 2 so as to block the trigger piece 9 from further moving downwards through a blocking transverse plate after the trigger piece 9 moves downwards for a preset distance; a guard plate 29 is arranged on the front side of the swing rod 2 to prevent the vertical plate from being separated from the swing rod 2; the inserting rod 93 is vertically disposed below the horizontal plate, and the upper end of the inserting rod 93 is fixedly connected to the lower surface of the horizontal plate, and the lower end of the inserting rod 93 is inserted into the weight 16 and is in frictional contact with the weight 16, so that the weight 16 drives the triggering member 9 to move downward by a predetermined distance and then separate from the inserting rod 93.
In this embodiment, as shown in fig. 2 and 9, two clamping platforms 210 are further disposed at the front side of the swing rod 2, the two clamping platforms 210 are disposed at intervals, and two unlocking slide holes 211 extending left and right are disposed near one surface of each clamping platform 210, the elastic support member includes two unlocking slide blocks 17 respectively mounted in the two unlocking slide holes 211, and two springs respectively urging the two unlocking slide blocks 17 to extend out of the unlocking slide holes 211; the heavy hammer 16 comprises a lower hammer head, a supporting block and a hollow pipe for connecting the lower hammer head and the supporting block, the supporting block is positioned above the lower hammer head, and the inserted rod 93 penetrates through the supporting block and is inserted into the hollow pipe of the heavy hammer 16; the support block is supported above the extending ends of the two unlocking slide blocks 17 in the initial state; the protruding ends of the two unlocking sliders 17 are ball-shaped so that the weight 16 further moves downward beyond the two unlocking sliders 17 by pressing the two unlocking sliders 17 outward when moving downward by centrifugal force.
In the present embodiment, as shown in fig. 9, the outer edge of the upper surface of the bearing platform 23 is an arc-shaped surface 24 to move outward and upward along the arc-shaped surface 24 when the flywheel 3 rotates on the upper surface of the bearing platform 23 and moves outward to the edge of the bearing platform 23.
In this embodiment, as shown in fig. 1 and 9, the supporting frame 1 includes a bottom frame and two supporting rods, the lower ends of the two supporting rods are fixed at the left and right ends of the upper surface of the bottom frame, the upper ends of the two supporting rods are fixedly connected, the connecting position is provided with a supporting shaft 101 extending forward and backward, the upper end of the swing rod 2 is provided with a long hole 21, and the supporting shaft 101 is rotatably hung on through the long hole 21.
In the present embodiment, as shown in fig. 1 and 4, a dial 61 is disposed on the front side of the fixed wheel 6 for recording the swinging position of the swing link 2, and the zero scale line of the dial 61 is perpendicular to the lower surface of the bottom frame.
When the device is used, the support frame 1 is placed on a slope to be measured, the swing rod 2 swings around the support shaft 101 to be close to a vertical position under the action of gravity, the swing rod 2 is pulled upwards to the left and then loosened to a preset angle, the swing rod 2 swings downwards under the action of self gravity, the rotating wheel 8 rotates around the anticlockwise direction under the action of belt transmission and drives the second gear 15 and the third gear 19 to rotate around the clockwise direction, the second gear 15 idles on the gear shaft 32 on the left side, the third gear 19 drives the gear shaft 32 on the right side to rotate clockwise, the inertia wheel 3 on the right side is further driven to rotate, and the inertia wheel 3 on the left side is driven to rotate anticlockwise through meshing transmission of the fourth gear 31 and the fifth gear 35; when the swing rod 2 swings to a preset angle before the vertical position, the heavy hammer 16 drives the trigger piece 9 to move downwards under the centrifugal action, the trigger piece 9 moves downwards until the transverse plate is contacted with the bulge and stops moving downwards, and the heavy hammer 16 is separated from the inserted rod 93 and falls off, so that the gravity of the swing rod 2 is reduced, the positive pressure between the swing rod 2 and the support shaft 101 is reduced, the friction force between the swing rod 2 and the support shaft 101 is further reduced, and the swing rod 2 is favorably stopped to swing to the vertical position; the trigger part 9 moves downwards to enable the second connecting rod 4 to lose support, the second articulated shaft 11 extrudes the two supporting sliding blocks 12 outwards and enters between the two supporting sliding blocks 12 when moving downwards along with the inertia wheel assembly, the second gear 15 and the third gear 19 are disengaged from the first gear 81 when moving downwards along with the inertia wheel assembly, and the two inertia wheels 3 continue to rotate around the original direction under the inertia effect; the two second connecting rods 4 are drawn under the action of the tension spring 10, so that the two inertia wheels 3 approach to each other to be respectively contacted with the left side surface and the right side surface of the swing rod 2, the inertia wheel 3 on the left side rotates anticlockwise, the inertia wheel 3 on the right side rotates clockwise, and is contacted with the swing rod 2 in the rotating process, so that the swing rod 2 has a tendency of moving upwards, and the positive pressure between the swing rod 2 and the supporting shaft 101 is further reduced; the two inertia wheels 3 move downwards to the bearing platform 23, move outwards relative to the bearing platform 23 in the rotating process and move outwards and upwards along the arc-shaped surface 24 respectively to drive the second articulated shaft 11 to move upwards and then impact the swing rod 2 upwards by impacting a right-angled step surface at the lower end part of the two supporting slide blocks 12, the two inertia wheels 3 return to the bearing platform 23 again under the action of the tension spring 10 after rotating outwards and upwards for a preset distance, the rear inertia wheel 3 moves outwards and upwards relative to the bearing platform 23 again under the rotating action, the second articulated shaft 11 impacts the swing rod 2 upwards again, the vibration of the swing rod 2 is increased by intermittently impacting the swing rod 2 upwards, so that the swing rod 2 is in the most vertical state after the swing is stopped, the position of the swing rod 2 on the dial 61 at the moment is recorded, namely the side slope angle of the position can be obtained, and the angle of the same side slope is measured by the same method periodically, the deformation condition of the side slope can be calculated by comparison.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a deformation detection device of soil side slope which characterized in that: the device comprises a support frame, a swing rod, a power mechanism, an inertia wheel assembly, a trigger part and a heavy hammer, wherein the upper end of the swing rod is rotatably arranged on the support frame around a rotating shaft extending forwards and backwards; the two inertia wheel assemblies are arranged in bilateral symmetry about the swing rod, each inertia wheel assembly comprises an inertia wheel shaft and an inertia wheel, the inertia wheel shafts extend in the front-back direction, the inertia wheels are rotatably arranged on the inertia wheel shafts, and the inertia wheels of the two inertia wheel assemblies are respectively positioned on the left side and the right side of the swing rod and are connected through tension springs extending leftwards and rightwards; the heavy hammer is arranged at the lower end of the trigger part, and after the swing rod is lifted upwards by a preset angle and then freely falls by the preset angle, the trigger part is driven to move downwards by a preset distance under the centrifugal action and then is separated from the trigger part; the power mechanism drives the two inertia wheels to rotate in opposite directions before the trigger piece moves downwards, and the two inertia wheels continue to rotate under the action of inertia after the trigger piece moves downwards; bearing platforms are arranged on the left side and the right side of the oscillating bar and are positioned below the inertia wheel; the trigger part is supported on the elastic support part on the swing rod, and the upper end of the trigger part supports the inertia wheel assembly, so that the two inertia wheels are positioned above the bearing platform and fall on the bearing platform under the action of gravity after moving downwards; the inertia wheel moves towards the direction far away from the swing rod respectively under the action of rotational friction with the bearing platform to be separated from the bearing platform, and returns to the bearing platform under the action of the tension spring after being far away from the swing rod for a preset distance, and the gravity of the swing rod is changed by intermittently bearing against the bearing platform, so that the swing rod is enabled to tend to be vertical.
2. The soil slope deformation detecting device of claim 1, wherein: each inertia wheel assembly further comprises a first connecting rod and a second connecting rod, and the lower end of the first connecting rod and the upper end of the second connecting rod are hinged around an inertia wheel shaft; the upper ends of first connecting rods of the two inertia wheel assemblies are hinged around a first hinge shaft extending forwards and backwards, the first hinge shaft can be vertically and slidably mounted on the swing rod, the lower ends of second connecting rods of the two inertia wheel assemblies are hinged around a second hinge shaft extending forwards and backwards, the second hinge shaft can vertically slide relative to the swing rod, and two ends of the tension spring are respectively connected with the two second connecting rods, so that the two inertia wheels are mutually close by pulling the two second connecting rods to mutually close; the upper end of the trigger part supports the two second connecting rods, so that a four-connecting-rod structure formed by the two first connecting rods and the two second connecting rods in a surrounding mode is kept stable, and the two inertia wheels are static.
3. The soil slope deformation detecting device of claim 2, wherein: the front side of the swing rod is provided with an installation groove, two symmetrically distributed supporting slide blocks are arranged in the installation groove, the two supporting slide blocks can be installed in the installation groove in a left-right sliding mode, and the upper end of each supporting slide block tightly pushes against the side wall of the installation groove; the upper end parts of the two supporting slide blocks are provided with inclined planes for supporting the second articulated shaft, the lower end parts of the two supporting slide blocks are provided with right-angled step surfaces, and the outer sides of the two supporting slide blocks are respectively connected with the side wall of the mounting groove through a pressure spring; the second hinge bearing is close to the inclined planes at the upper end parts of the two supporting slide blocks, extrudes the two supporting slide blocks outwards when moving downwards along with the inertia wheel assembly and enters between the two supporting slide blocks, and impacts the right-angle step surfaces at the lower end parts of the two supporting slide blocks when moving upwards along with the two inertia wheels away from the swing rod so as to impact the swing rod upwards, thereby increasing the impact frequency of the swing rod and promoting the swing rod to be vertical.
4. The soil slope deformation detecting device of claim 3, wherein: the power mechanism comprises a fixed wheel, a transmission belt, a rotating wheel, a first gear, a fixed shaft, a second gear, a third gear, a first one-way bearing and a second one-way bearing, wherein the fixed wheel is fixedly arranged on the support frame, is positioned at the rear side of the oscillating bar and is coaxial with the rotating center at the upper end of the oscillating bar; the fixed shaft extends along the front-back direction, is arranged on the swing rod and is positioned between the two inertia wheels;
the first gear is rotatably arranged on the fixed shaft and is connected with the fixed wheel through a transmission belt; when the swing rod lifts up a preset angle to the left and then freely falls down, the rotating wheel rotates around the anticlockwise direction under the action of belt transmission, and when the swing rod lifts up the preset angle to the right and then freely falls down, the rotating wheel rotates around the clockwise direction under the action of belt transmission; the rear end of each inertia wheel is provided with a gear shaft extending forwards and backwards; the first one-way bearing is arranged on a gear shaft of the left inertia wheel,
the second gear is arranged on the first one-way bearing and is externally meshed with the first gear, and the first one-way bearing is configured to enable the second gear to idle on a gear shaft arranged on the second gear when the second gear rotates clockwise, and enable the second gear to drive the gear shaft arranged on the second gear to rotate when the second gear rotates anticlockwise so as to drive the inertia gear on the left side to rotate; the second one-way bearing is arranged on a gear shaft of the right inertia wheel, the third gear is arranged on the second one-way bearing and is externally meshed with the first gear, and the second one-way bearing is configured to enable the third gear to idle on the gear shaft arranged on the third gear when the third gear rotates in the anticlockwise direction and enable the third gear to drive the gear shaft arranged on the third gear to rotate when the third gear rotates in the clockwise direction so as to drive the right inertia wheel to rotate; when the second gear idles, the third gear drives the inertia wheel on the right side to rotate around the direction opposite to the third gear through the transmission mechanism, and when the third gear idles, the second gear drives the inertia wheel on the left side to rotate around the direction opposite to the second gear through the transmission mechanism.
5. The soil slope deformation detecting device of claim 4, wherein: the transmission mechanism comprises a fourth gear and a fifth gear, the fourth gear is fixedly arranged at the rear end of the right gear shaft, the fifth gear is fixedly arranged at the rear end of the left gear shaft, and the fourth gear and the fifth gear are always meshed.
6. The soil slope deformation detecting device of claim 3, wherein: the front side of the swing rod is also provided with a vertical plate sliding groove extending along the length direction of the swing rod, and the upper end of the vertical plate sliding groove is communicated with the mounting groove; the trigger comprises two vertical plates arranged in parallel, a transverse plate and an inserting rod, wherein the transverse plate is connected with the lower ends of the two vertical plates, the vertical plates comprise a supporting part and a blocking part, the upper ends of the supporting parts are used for supporting two second connecting rods, the blocking part is positioned at the rear side of the supporting part and can be installed in a vertical plate sliding groove at the front side of the swing rod in a vertically sliding manner, the upper end part of the blocking part of the trigger is positioned in the installation groove in an initial state, the blocking parts of the two vertical plates are respectively positioned at the outer sides of the two supporting sliding blocks so as to block the two supporting sliding blocks from being away from each other, and the two supporting sliding blocks are allowed to be away from each other after the trigger moves downwards for a preset distance; the front side of the swing rod is also provided with a bulge so as to block the trigger piece from further moving downwards by blocking the transverse plate after the trigger piece moves downwards for a preset distance; the inserted bar is vertically arranged below the transverse plate, the upper end of the inserted bar is fixedly connected with the lower surface of the transverse plate, and the lower end of the inserted bar is inserted into the heavy hammer and is in frictional contact with the heavy hammer so as to be separated from the inserted bar after the heavy hammer drives the trigger piece to move downwards for a preset distance.
7. The soil slope deformation detecting device of claim 6, wherein: the front side of the swing rod is also provided with two clamping platforms which are symmetrically distributed, the two clamping platforms are arranged at intervals, two unlocking slide holes which extend leftwards and rightwards are arranged on the side close to one side of the two clamping platforms, and the elastic supporting piece comprises two unlocking slide blocks which are respectively arranged in the two unlocking slide holes and two springs which respectively promote the two unlocking slide blocks to extend out of the unlocking slide holes; the counter weight comprises a lower hammer head, a supporting block and a hollow pipe for connecting the lower hammer head and the supporting block, the supporting block is positioned above the lower hammer head, and the inserted rod penetrates through the supporting block and is inserted into the hollow pipe of the counter weight; the support block is supported above the extending ends of the two unlocking slide blocks in the initial state; the extending ends of the two unlocking sliding blocks are ball-head type, so that the heavy hammer can further move downwards by extruding the two unlocking sliding blocks outwards when moving downwards under the centrifugal action.
8. The soil slope deformation detecting device of claim 1, wherein: the outer edge of the upper surface of the bearing platform is an arc-shaped surface so as to move outwards and upwards along the arc-shaped surface when the inertia wheel rotates on the upper surface of the bearing platform and moves outwards to the edge of the bearing platform.
9. The soil slope deformation detecting device of claim 4, wherein: and a dial is arranged on the front side surface of the fixed wheel and used for recording the swinging position of the swing rod.
10. The soil slope deformation detecting device of claim 1, wherein: the support frame includes underframe and branch, and branch has two, and both ends about just the lower extreme all is fixed in the underframe upper surface, two branch upper end fixed connection, and the hookup location is provided with the back shaft that extends around, and the pendulum rod upper end is rotationally installed on the back shaft.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485454A (en) * | 2022-04-07 | 2022-05-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Deformation detection device for dam soil slope |
| CN115451796A (en) * | 2022-11-14 | 2022-12-09 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Deformation detection device for dam soil slope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173928A (en) * | 1997-12-16 | 1999-07-02 | Hideo Misawa | Shrinkage force measuring instrument for elastic cord and stretching measuring method of the cord |
| CN202002773U (en) * | 2011-03-24 | 2011-10-05 | 十堰东森汽车密封件有限公司 | Inertial parameter measuring integrated test table for motive power assembly |
| CN109780370A (en) * | 2019-01-21 | 2019-05-21 | 深圳大学 | A kind of pipeline three-dimensional curve robot measurement and its implementation |
| CN111305206A (en) * | 2020-03-03 | 2020-06-19 | 厦门理工学院 | Pile driver for civil engineering |
| CN111811704A (en) * | 2020-07-24 | 2020-10-23 | 辽宁工程技术大学 | Mining area ground layer landslide early warning system that disintegrates |
| CN212109886U (en) * | 2020-06-26 | 2020-12-08 | 苏华 | Geotechnical engineering side slope earth's surface deformation monitoring devices |
| CN112885203A (en) * | 2021-03-01 | 2021-06-01 | 河南大学 | Novel gravitational acceleration measuring device based on rotational inertia |
| CN113175912A (en) * | 2021-03-30 | 2021-07-27 | 中国地质大学（武汉） | Unmanned landslide transverse deformation monitoring system and method based on inertial measurement technology |
-
2021
- 2021-09-08 CN CN202111049141.9A patent/CN113739681B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173928A (en) * | 1997-12-16 | 1999-07-02 | Hideo Misawa | Shrinkage force measuring instrument for elastic cord and stretching measuring method of the cord |
| CN202002773U (en) * | 2011-03-24 | 2011-10-05 | 十堰东森汽车密封件有限公司 | Inertial parameter measuring integrated test table for motive power assembly |
| CN109780370A (en) * | 2019-01-21 | 2019-05-21 | 深圳大学 | A kind of pipeline three-dimensional curve robot measurement and its implementation |
| CN111305206A (en) * | 2020-03-03 | 2020-06-19 | 厦门理工学院 | Pile driver for civil engineering |
| CN212109886U (en) * | 2020-06-26 | 2020-12-08 | 苏华 | Geotechnical engineering side slope earth's surface deformation monitoring devices |
| CN111811704A (en) * | 2020-07-24 | 2020-10-23 | 辽宁工程技术大学 | Mining area ground layer landslide early warning system that disintegrates |
| CN112885203A (en) * | 2021-03-01 | 2021-06-01 | 河南大学 | Novel gravitational acceleration measuring device based on rotational inertia |
| CN113175912A (en) * | 2021-03-30 | 2021-07-27 | 中国地质大学（武汉） | Unmanned landslide transverse deformation monitoring system and method based on inertial measurement technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485454A (en) * | 2022-04-07 | 2022-05-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Deformation detection device for dam soil slope |
| CN115451796A (en) * | 2022-11-14 | 2022-12-09 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Deformation detection device for dam soil slope |
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