CN112229760A - Automatic sand filling instrument for measuring density of roadbed - Google Patents
Automatic sand filling instrument for measuring density of roadbed Download PDFInfo
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- CN112229760A CN112229760A CN202010961764.2A CN202010961764A CN112229760A CN 112229760 A CN112229760 A CN 112229760A CN 202010961764 A CN202010961764 A CN 202010961764A CN 112229760 A CN112229760 A CN 112229760A
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- 239000004576 sand Substances 0.000 title claims abstract description 222
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 239000002689 soil Substances 0.000 claims abstract description 35
- 238000001035 drying Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Repair (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic sand filling instrument for measuring the density of a roadbed; comprises a bottom plate and a turntable; the outer side wall of the bottom plate is connected with a traction rod, the traction rod is connected with a tractor, and the tractor drives the bottom plate to complete lifting; a first motor is arranged at the center position above the bottom plate, an output shaft of the first motor is connected with a bearing, and the first motor is rotationally connected with the rotary table through the bearing; a sand filling seat is arranged above the bottom plate, and a sand filling hole is correspondingly formed in the bottom plate at the bottom of the sand filling seat; the top of the rotary table is provided with a sand filling mechanism, an excavating mechanism, a sand sucking mechanism and a drying mechanism; the electric energy is supplied by the storage battery, the controller controls the sand filling mechanism, the soil excavating mechanism, the sand sucking mechanism and the drying mechanism to complete compaction degree measurement, measurement steps and measurement processes are simplified, the influence of manual operation on measurement is reduced, the measurement accuracy is improved, and the measurement efficiency is improved.
Description
Technical Field
The invention belongs to the field of engineering compactness measurement, and particularly relates to an automatic sand filling instrument for measuring the compactness of a roadbed.
Background
The sand-filling method is a main method for measuring the compaction degree of a plurality of engineering sites at present, the surface looks simple, but the actual operation is often difficult to master, larger errors are easy to cause, and disputes between quality detection, supervision departments and construction units are often caused; the basic principle of the sand filling method is that clean uniform sand with the grain diameter of 0.30-0.60 mm or 0.2-0.50 mm freely falls into a test hole from a certain height, the volume of the test hole is measured according to the principle that the unit weight of the clean uniform sand is not changed (namely, standard sand is used for replacing aggregate in the test hole), and the actually measured dry density of a sample is calculated according to the water content of the aggregate.
In the prior engineering, a sand filling cylinder, a calibration tank, a balance, an alcohol pot and other tools are adopted, the roadbed compactness is manually measured, the operation difficulty is high, the time for measuring one foundation pit is about half an hour, and the measurement efficiency is low; the sand filling cylinder needs to be disassembled repeatedly in the measuring process, the measuring steps are complicated, and meanwhile, more human factors exist, so that the accuracy of compaction degree measurement is influenced.
Chinese patent application No. 201420675911.X discloses a sand filling instrument, including: demarcate jar, irritate a sand section of thick bamboo and base plate, it is the cylindric container that the volume is confirmed to mark the jar, irritate a sand section of thick bamboo including storing up a sand section of thick bamboo and a sand outlet, store up a sand section of thick bamboo and be located a sand outlet's top, the center of storing up a sand section of thick bamboo bottom has the round hole, stores up a sand section of thick bamboo and has the switch of opening and sealing this round hole with a sand outlet in the middle of the sand section of thick bamboo, a sand outlet is held in the bottom of a sand outlet, the base plate is the square thin dish of metal alloy, and its center has the trompil, sand outlet is the same.
According to the technical scheme, the operation steps of the measurement process are complex, the measurement efficiency is low, and various factors are considered to influence the measurement result.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic sand filling instrument for measuring the density of a roadbed, which is driven by a tractor to carry out construction, so that the efficiency is improved; the electric energy is supplied by the storage battery, the controller controls the sand filling mechanism, the soil excavating mechanism, the sand sucking mechanism and the drying mechanism to complete compaction degree measurement, measurement steps and measurement processes are simplified, the influence of manual operation on measurement is reduced, the measurement accuracy is improved, and the measurement efficiency is improved.
The invention provides the following technical scheme:
an automatic sand filling instrument for measuring the density of a roadbed; comprises a bottom plate and a turntable; the outer side wall of the bottom plate is connected with a traction rod, the traction rod is connected with a tractor, and the tractor drives the bottom plate to complete lifting; a first motor is arranged at the center position above the bottom plate, an output shaft of the first motor is connected with a bearing, and the first motor is rotationally connected with the rotary table through the bearing; a sand filling seat is arranged above the bottom plate, and a sand filling hole is correspondingly formed in the bottom plate at the bottom of the sand filling seat; the top of the rotary table is provided with a sand filling mechanism, an excavating mechanism, a sand sucking mechanism and a drying mechanism; the sand filling mechanism, the soil excavating mechanism, the sand sucking mechanism and the drying mechanism are sequentially arranged along the edge of the rotary disc; the top of the turntable is also provided with a storage battery and a controller, and the controller is connected with the soil digging mechanism, the sand sucking mechanism and the drying mechanism through leads; the sand filling mechanism comprises a sand filling cylinder, the upper part of the sand filling cylinder is of a cylindrical structure, and the lower part of the sand filling cylinder is of a frustum pyramid structure; the bottom of the sand filling cylinder is connected with the rotary table, and a pulling plate is arranged at the position, close to the bottom, of the sand filling cylinder; the position of the rotary table corresponding to the bottom of the sand filling cylinder is provided with a sand leaking hole, and the sand leaking hole can correspond to the sand filling seat.
Preferably, the mechanism of digging soil includes the second motor, the second motor is connected with the carousel, and the output shaft of second motor has the threaded rod, the other end of threaded rod is connected with the dog, the cover is equipped with the internal thread ring on the threaded rod, the internal thread ring rotates with the threaded rod to be connected.
Preferably, the outer side wall of the internal thread ring is connected with a connecting rod, the other end of the connecting rod is connected with a third motor, and an output shaft of the third motor is connected with a spiral knife; the position of the rotary disc corresponding to the spiral cutter is provided with a soil digging hole, and the soil digging hole can correspond to the sand filling seat.
Preferably, the sand sucking mechanism comprises a recovery box, a sand sucking device is arranged in the recovery box, the sand sucking device is connected with a sand sucking pipe, and a sand sucking head is arranged at the other end of the sand sucking pipe.
Preferably, the sand suction pipe is a hose, a sand suction hole is formed in the position, corresponding to the sand suction pipe, of the rotary table, and the sand suction hole can correspond to the sand filling seat.
Preferably, the drying mechanism comprises a box body, and a movable door is arranged at the top of the box body; the box body is of a double-layer structure, an electric heater is arranged at the bottom of the box body, and the electric heater is connected with a heating wire.
Preferably, the digging hole of carousel all is equipped with weighing sensor with the edge of inhaling sand hole, irritating sand hole, and weighing sensor gathers weight data, transmits to the controller and preserves.
Preferably, the pulling plate penetrates through the sand filling cylinder.
Preferably, the method for measuring the roadbed test pit by the automatic sand filling instrument comprises the following steps: a, driving the device to a test place through a tractor, selecting a flat ground, and cleaning the flat ground to enable a bottom plate and a test base plane to be mutually attached; b, driving the rotating disc to align the soil digging hole with the sand filling seat through the rotation of the first motor, starting the third motor and the second motor to drive the spiral cutter to dig soil, and recording the soil digging mass m through the weight sensor in the soil digging processwTo the nearest 1 g; c, selecting a part from the dug new material as a sample, putting the sample into a drying mechanism for drying, and weighing the dried mass m by a balanced(ii) a d, rotating the rotary table through a first motor, aligning a sand filling hole of the sand filling mechanism with a sand filling seat, and filling standard sand with the mass of m in a sand filling cylinder1After the pulling plate is pulled open, the standard sand flows into the dug test pit until the standard sand does not flow down, the pulling plate is closed, and the mass m of the residual standard sand in the sand filling cylinder is recorded through a weight sensor arranged at the sand filling hole4(ii) a And e, sucking the standard sand in the test pit out of a recovery box through a sand sucking mechanism, and recovering the standard sand for the next use.
In the above steps, during sand filling, the mass of the standard sand filling the test pit is mbThen m isb= m1- m4- m2；mb、m1、 m4The unit is g; m is2Is the total mass of the standard sand in the sand filling seat.
Wet density of soil in test pit rhowSatisfy rhow=mw/mb·ρs；ρsThe density of standard brick sand is known; rhos、ρwUnit T/m3. Dry density of soil in test pitDegree satisfies rhog=ρwV (1 + 0.01. phi.); phi is the water content of the soil in the test pit, unit percent; the compactness K of the roadbed meets the requirement that K = rhog/ρc·100；ρcConstant rho for the maximum dry density in the laboratoryc=1.8T/m3(ii) a K unit T/m3。
When the compactness is measured, the subgrades K on different layers sequentially satisfy (0.97-0.02) · 100 from top to bottom, and the subgrades K are qualified.
Compared with the prior art, the invention has the following beneficial effects:
(1) the automatic sand filling instrument for measuring the density of the roadbed is driven by the tractor to carry out construction, so that the construction efficiency is improved; the electric energy is supplied by the storage battery, the controller controls the sand filling mechanism, the soil excavating mechanism, the sand sucking mechanism and the drying mechanism to complete compaction degree measurement, measurement steps and measurement processes are simplified, the influence of manual operation on measurement is reduced, the measurement accuracy is improved, and the measurement efficiency is improved.
(2) According to the automatic sand filling instrument for measuring the density of the roadbed, the second motor drives the third motor to lift, the third motor drives the spiral cutter to dig the test pit, the labor intensity of a constructor is reduced, the labor intensity is saved, and the pit digging efficiency is improved.
(3) According to the automatic sand filling instrument for measuring the density of the roadbed, the weight is measured through the arranged weighing sensor, so that artificial influence factors in the operation process are reduced, the measurement error is reduced, and the measurement accuracy is improved.
(4) According to the automatic sand filling instrument for measuring the compactness of the roadbed, the measuring and calculating steps are simplified through the construction method of the device, the compactness of the roadbed can be calculated only by recording the quality of the standard sand in the test pit and the quality of the original soil dug in the test pit, the calculating steps are greatly optimized, and the measuring efficiency of the compactness of the roadbed is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a top view of the base plate of the present invention.
FIG. 3 is a schematic view of the sand-priming mechanism of the present invention.
Fig. 4 is a schematic view of the base plate and turntable connection of the present invention.
FIG. 5 is a schematic view of the present invention.
Fig. 6 is a schematic view of a drying mechanism of the present invention.
In the figure: 1. a base plate; 2. a turntable; 3. a draw bar; 4. filling a sand cylinder; 5. pulling a plate; 6. a soil digging mechanism; 7. a recovery box; 8. a sand suction pipe; 9. a sand suction head; 10. a drying mechanism; 11. a storage battery; 12. a controller; 13. a sand leakage hole; 14. digging a soil hole; 15. a sand suction hole; 16. a weight sensor; 17. a first motor; 18. a bearing; 19. a sand filling seat; 20. filling sand holes; 21. a heater; 22. an electric heater; 23. heating wires; 601. a second motor; 602. a threaded rod; 603. a stopper; 604. an internally threaded ring; 605. a connecting rod; 606. a third motor; 607. a spiral knife.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, an automatic sand filling instrument for measuring the density of a roadbed; comprises a bottom plate 1 and a turntable 2; the outer side wall of the bottom plate 1 is connected with a traction rod 3, the traction rod 3 is connected with a tractor, and the tractor drives the bottom plate 1 to complete lifting; a first motor 17 is arranged at the center position above the bottom plate 1, an output shaft of the first motor 17 is connected with a bearing 18, and the first motor 17 is rotatably connected with the turntable 2 through the bearing 18; a sand filling seat 19 is arranged above the bottom plate 1, and a sand filling hole 20 is correspondingly formed in the bottom plate 1 at the bottom of the sand filling seat 19; the top of the turntable 2 is provided with a sand filling mechanism, an earth digging mechanism 6, a sand sucking mechanism and a drying mechanism 10; the sand filling mechanism, the soil excavating mechanism 6, the sand sucking mechanism and the drying mechanism 10 are sequentially arranged along the edge of the turntable 2; the top of the turntable 2 is also provided with a storage battery 11 and a controller 12, and the controller 12 is connected with the soil digging mechanism 6, the sand suction mechanism and the drying mechanism 10 through leads; the sand filling mechanism comprises a sand filling cylinder 4, the upper part of the sand filling cylinder 4 is of a cylindrical structure, and the lower part of the sand filling cylinder 4 is of a frustum pyramid structure; the bottom of the sand filling cylinder 4 is connected with the rotary table 2, and a pull plate 5 is arranged at the position, close to the bottom, of the sand filling cylinder 4; the rotary table 2 is provided with sand leaking holes at the positions corresponding to the bottoms of the sand filling cylinders 4, and the sand leaking holes 13 can correspond to the sand filling seats 19.
Inhale sand mechanism including retrieving box 7, retrieve and be equipped with in the box 7 and inhale sand device, inhale sand device and be connected with and inhale sand pipe 8, the other end of inhaling sand pipe 8 is equipped with and inhales sand head 9.
The sand suction pipe 8 is a hose, the rotary table 2 is provided with a sand suction hole 15 at a position corresponding to the sand suction pipe 8, and the sand suction hole 15 can correspond to the sand filling seat 19.
Example two:
on the basis of the first embodiment, as shown in fig. 5 to 6, the soil excavating mechanism 6 includes a second motor 601, the second motor 601 is connected to the turntable 2, an output shaft of the second motor 601 is connected to a threaded rod 602, the other end of the threaded rod 602 is connected to a stop 603, an internal threaded ring 604 is sleeved on the threaded rod 602, and the internal threaded ring 604 is rotatably connected to the threaded rod 602.
The outer side wall of the internal thread ring 604 is connected with a connecting rod 605, the other end of the connecting rod 605 is connected with a third motor 606, and the output shaft of the third motor 606 is connected with a spiral knife 607; the position of the rotary table 2 corresponding to the spiral cutter 607 is provided with an earth digging hole 14, and the earth digging hole 14 can correspond to the sand pouring seat 19.
The drying mechanism 10 comprises a box body, and a movable door 23 is arranged at the top of the box body; the box body is of a double-layer structure, the bottom of the box body is provided with an electric heater 21, and the electric heater 21 is connected with a heating wire 22; when drying, the sample of the test pit soil is placed in the box body, the storage battery 11 provides electric energy to heat the soil sample until the moisture is completely evaporated.
EXAMPLE III
An automatic sand filling instrument for measuring the density of a roadbed; comprises a bottom plate 1 and a turntable 2; the outer side wall of the bottom plate 1 is connected with a traction rod 3, the traction rod 3 is connected with a tractor, and the tractor drives the bottom plate 1 to complete lifting; a first motor 17 is arranged at the center position above the bottom plate 1, an output shaft of the first motor 17 is connected with a bearing 18, and the first motor 17 is rotatably connected with the turntable 2 through the bearing 18; a sand filling seat 19 is arranged above the bottom plate 1, and a sand filling hole 20 is correspondingly formed in the bottom plate 1 at the bottom of the sand filling seat 19; the top of the turntable 2 is provided with a sand filling mechanism, an earth digging mechanism 6, a sand sucking mechanism and a drying mechanism 10; the sand filling mechanism, the soil excavating mechanism 6, the sand sucking mechanism and the drying mechanism 10 are sequentially arranged along the edge of the turntable 2; the top of the turntable 2 is also provided with a storage battery 11 and a controller 12, and the controller 12 is connected with the soil digging mechanism 6, the sand suction mechanism and the drying mechanism 10 through leads; the sand filling mechanism comprises a sand filling cylinder 4, the upper part of the sand filling cylinder 4 is of a cylindrical structure, and the lower part of the sand filling cylinder 4 is of a frustum pyramid structure; the bottom of the sand filling cylinder 4 is connected with the rotary table 2, and a pull plate 5 is arranged at the position, close to the bottom, of the sand filling cylinder 4; the rotary table 2 is provided with sand leaking holes at the positions corresponding to the bottoms of the sand filling cylinders 4, and the sand leaking holes 13 can correspond to the sand filling seats 19.
The edges of the soil digging hole 14, the sand sucking hole 15 and the sand filling hole 20 of the turntable 2 are provided with weight sensors 16, and the weight sensors 16 acquire weight data and transmit the weight data to the controller 12 for storage; the pulling plate 5 penetrates through the sand filling cylinder 4; when the sand filling is carried out, the default state of the pulling plate 5 is closed, when the pulling plate 5 is pulled, the standard sand naturally falls into the test pit, and meanwhile, the weighing sensor records the mass of the residual standard sand in the sand filling cylinder 4.
The method for measuring the roadbed test pit by the automatic sand filling instrument comprises the following steps: a, driving the device to a test place through a tractor, selecting a flat ground, and cleaning the flat ground to enable the bottom plate 1 and a test base plane to be mutually attached; b, driving the rotary table 2 to align the excavation hole 14 with the sand filling seat 19 by rotating the first motor 17, starting the third motor 606 and the second motor 601 to drive the spiral cutter 607 to excavate, and recording the excavation mass m through the weight sensor 16 in the excavation processwTo the nearest 1 g; c, selecting a part from the dug new material as a sample, putting the sample into a drying mechanism 10 for drying, and weighing the dried mass m by a balanced(ii) a d, rotating the rotary table 2 through the first motor 17, aligning the sand filling hole 20 of the sand filling mechanism with the sand filling seat 19, and filling the standard sand with the mass of m in the sand filling cylinder 41After the pulling plate 5 is pulled open, the standard sand flows into the dug test pit until the standard sand does not flow down any more, the pulling plate 5 is closed, and the weight sensor 16 arranged at the sand filling hole 20 records the mass m of the residual standard sand in the sand filling cylinder 44(ii) a e, sucking the standard sand in the test pit out of the recovery box 7 through the arranged sand sucking mechanism, and recovering the standard sand for the next use.
In the above steps, during sand filling, the mass of the standard sand filling the test pit is mbThen m isb= m1- m4- m2；mb、m1、 m4The unit is g; m is2The total mass of the standard sand in the sand filling seat 19.
Wet density of soil in test pit rhowSatisfy rhow=mw/mb·ρs；ρsThe density of standard brick sand is known; rhos、ρwUnit T/m3. The dry density of the soil in the test pit satisfies rhog=ρwV (1 + 0.01. phi.); phi is the water content of the soil in the test pit, unit percent; the compactness K of the roadbed meets the requirement that K = rhog/ρc·100；ρcConstant rho for the maximum dry density in the laboratoryc=1.8T/m3(ii) a K unit T/m3。
When the compactness is measured, the subgrades K on different layers sequentially satisfy (0.97-0.02) · 100 from top to bottom, and the subgrades K are qualified.
The device obtained by the technical scheme is an automatic sand filling instrument for measuring the density of the roadbed, and construction is carried out by driving of the tractor, so that the construction efficiency is improved; the electric energy is supplied by the storage battery 11, the controller 12 controls the sand filling mechanism, the soil excavating mechanism 6, the sand sucking mechanism and the drying mechanism 10 to complete compactness measurement, so that the measurement steps and the measurement process are simplified, the influence of manual operation on measurement is reduced, the measurement accuracy is improved, and the measurement efficiency is improved; the second motor 601 drives the third motor 606 to lift, the third motor 606 drives the spiral cutter 607 to dig a pit, the labor intensity of a constructor is reduced, labor intensity is saved, and pit digging efficiency is improved; the weight is measured by the arranged weighing sensor, so that artificial influence factors in the operation process are reduced, the measurement error is reduced, and the measurement accuracy is improved; through the construction method of the device, the measuring and calculating steps are simplified, only the quality of the standard sand in the test pit and the quality of the original soil dug in the test pit need to be recorded, the compaction degree of the roadbed can be calculated, the calculating steps are greatly optimized, and the roadbed compaction degree measuring efficiency is further improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An automatic sand filling instrument for measuring the density of a roadbed; comprises a bottom plate (1) and a turntable (2); the lifting device is characterized in that the outer side wall of the bottom plate (1) is connected with a traction rod (3) and is connected with a tractor through the traction rod (3), and the tractor drives the bottom plate (1) to complete lifting; a first motor (17) is arranged at the center position above the bottom plate (1), an output shaft of the first motor (17) is connected with a bearing (18), and the first motor (17) is rotatably connected with the turntable (2) through the bearing (18); a sand filling seat (19) is arranged above the bottom plate (1), and a sand filling hole (20) is correspondingly formed in the bottom plate (1) at the bottom of the sand filling seat (19); the top of the turntable (2) is provided with a sand filling mechanism, an earth digging mechanism (6), a sand sucking mechanism and a drying mechanism (10); the sand filling mechanism, the soil excavating mechanism (6), the sand sucking mechanism and the drying mechanism (10) are sequentially arranged along the edge of the turntable (2); the top of the turntable (2) is also provided with a storage battery (11) and a controller (12), and the controller (12) is connected with the soil digging mechanism (6), the sand suction mechanism and the drying mechanism (10) through leads; the sand filling mechanism comprises a sand filling cylinder (4), the upper part of the sand filling cylinder (4) is of a cylindrical structure, and the lower part of the sand filling cylinder (4) is of a frustum pyramid structure; the bottom of the sand filling cylinder (4) is connected with the rotary table (2), and a pull plate (5) is arranged at the position, close to the bottom, of the sand filling cylinder (4); the positions of the rotary table (2) corresponding to the bottom of the sand filling cylinder (4) are provided with sand leakage holes, and the sand leakage holes (13) can correspond to the sand filling seats (19).
2. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 1, wherein the soil excavating mechanism (6) comprises a second motor (601), the second motor (601) is connected with the turntable (2), an output shaft of the second motor (601) is connected with a threaded rod (602), the other end of the threaded rod (602) is connected with a stop block (603), an internal threaded ring (604) is sleeved on the threaded rod (602), and the internal threaded ring (604) is rotatably connected with the threaded rod (602).
3. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 2, wherein a connecting rod (605) is connected to the outer side wall of the internal thread ring (604), a third motor (606) is connected to the other end of the connecting rod (605), and a spiral cutter (607) is connected to an output shaft of the third motor (606); the position of the rotary table (2) corresponding to the spiral cutter (607) is provided with an earth digging hole (14), and the earth digging hole (14) can correspond to the sand filling seat (19).
4. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 1, wherein the sand sucking mechanism comprises a recovery box (7), a sand sucking device is arranged in the recovery box (7), the sand sucking device is connected with a sand sucking pipe (8), and a sand sucking head (9) is arranged at the other end of the sand sucking pipe (8).
5. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 4, wherein the sand suction pipe (8) is a hose, a sand suction hole (15) is formed in the position of the rotary table (2) corresponding to the sand suction pipe (8), and the sand suction hole (15) can correspond to the sand filling seat (19).
6. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 1, wherein the drying mechanism (10) comprises a box body, and a movable door (23) is arranged at the top of the box body; the box body is of a double-layer structure, an electric heater (21) is arranged at the bottom of the box body, and the electric heater (21) is connected with a heating wire (22).
7. The automatic sand filling instrument for measuring the compactness of the roadbed according to claim 1, wherein the edges of the soil excavating hole, the sand sucking hole and the sand filling hole (20) of the turntable are respectively provided with a weight sensor (16), and the weight sensors (16) collect weight data and transmit the weight data to the controller for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961764.2A CN112229760B (en) | 2020-09-14 | 2020-09-14 | Automatic sand filling instrument for measuring compactness of roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961764.2A CN112229760B (en) | 2020-09-14 | 2020-09-14 | Automatic sand filling instrument for measuring compactness of roadbed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112229760A true CN112229760A (en) | 2021-01-15 |
| CN112229760B CN112229760B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010961764.2A Active CN112229760B (en) | 2020-09-14 | 2020-09-14 | Automatic sand filling instrument for measuring compactness of roadbed |
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Cited By (5)
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| CN113484187A (en) * | 2021-06-04 | 2021-10-08 | 中铁十九局集团有限公司 | Compactness measuring device |
| CN114544414A (en) * | 2021-12-30 | 2022-05-27 | 湖南聚创建筑科技有限公司 | Rapid roadbed compactness detection equipment and use method thereof |
| CN114739265A (en) * | 2022-04-23 | 2022-07-12 | 河南工程学院 | Measuring device and measuring method for accurately measuring roughness of concrete test piece |
| CN118029352A (en) * | 2024-04-11 | 2024-05-14 | 安徽建工三建集团有限公司 | Roadbed quality inspection measuring device for highway engineering construction |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945621A (en) * | 2021-03-18 | 2021-06-11 | 孙娇娜 | Be used for road bed road surface compactness detection device |
| CN112945621B (en) * | 2021-03-18 | 2024-01-19 | 孙娇娜 | Be used for road subgrade road surface compactness detection device |
| CN113484187A (en) * | 2021-06-04 | 2021-10-08 | 中铁十九局集团有限公司 | Compactness measuring device |
| CN114544414A (en) * | 2021-12-30 | 2022-05-27 | 湖南聚创建筑科技有限公司 | Rapid roadbed compactness detection equipment and use method thereof |
| CN114739265A (en) * | 2022-04-23 | 2022-07-12 | 河南工程学院 | Measuring device and measuring method for accurately measuring roughness of concrete test piece |
| CN114739265B (en) * | 2022-04-23 | 2024-01-19 | 河南工程学院 | Measuring device and measuring method for accurately measuring roughness of concrete test piece |
| CN118029352A (en) * | 2024-04-11 | 2024-05-14 | 安徽建工三建集团有限公司 | Roadbed quality inspection measuring device for highway engineering construction |
| CN118029352B (en) * | 2024-04-11 | 2024-07-16 | 安徽建工三建集团有限公司 | Roadbed quality inspection measuring device for highway engineering construction |
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