CN112945621B - Be used for road subgrade road surface compactness detection device - Google Patents
Be used for road subgrade road surface compactness detection device Download PDFInfo
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- CN112945621B CN112945621B CN202110288811.6A CN202110288811A CN112945621B CN 112945621 B CN112945621 B CN 112945621B CN 202110288811 A CN202110288811 A CN 202110288811A CN 112945621 B CN112945621 B CN 112945621B
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- sand filling
- servo motor
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 136
- 239000000758 substrate Substances 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 11
- 238000005303 weighing Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000005056 compaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004186 Penicillin G benzathine Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- 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
-
- 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
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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- Physics & Mathematics (AREA)
- 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a road subgrade and pavement compactness detection device, and belongs to the technical field of subgrade compactness detection. The utility model provides a be used for road bed road surface compactness detection device, includes the box that the base top surface set firmly, the spacing groove has been seted up to the base top surface, box bottom fixed mounting is inside the spacing groove, box bottom surface and outside intercommunication, the base bottom surface four corners has set firmly the wheel of stopping, the base below is equipped with the base plate subassembly, the box top has set firmly the control platform, both ends top symmetry is equipped with the handrail about the box, the inside sand filling subassembly that is equipped with of box. The invention has the advantages that the operation processes are all driven by the motor, the motor is independently connected with the independent movable battery and the controller, the motor is wirelessly communicated with the Bluetooth module of the console main control board in a broadcasting mode through the Bluetooth chip carried by the controller, and the sand content change is monitored through the motor control and the weight measuring instrument, so that the automatic measurement of the sand content quality is realized, and the compactness detection is facilitated.
Description
Technical Field
The invention relates to the technical field of road bed compactness detection, in particular to a road bed pavement compactness detection device.
Background
Roadbed compactness (originally, refers to the ratio of the dry density of soil or other road construction materials after compaction to the standard maximum dry density, expressed as percentage.) roadbed compactness is one of key indexes for detecting the construction quality of roadbed and road surface, and represents the density condition after site compaction, and the higher the compactness, the higher the density, and the better the overall performance of the material.
Road compactness is a quality control index of the filling engineering, wherein the sand filling method is a sand filling method which is used for replacing the volume of a test hole by uniform-particle sand, and the damage to the road is small. However, when the sand filling method is used in actual operation, the method lacks an automatic tool, more than twenty measuring tools and a large amount of sand are prepared before each measurement, and the measurement process needs weighing and counting for many times, so that the test speed is slower, the measuring steps are tedious, and errors are more likely to occur, and therefore, the automatic measuring tool is provided, the improvement of the working efficiency in the measuring process is solved, and the reduction of the measuring errors is important.
Therefore, the device for detecting the compactness of the roadbed and the pavement is designed.
Disclosure of Invention
The invention aims to solve the problems that the existing portable tools are more, the testing speed is slower, the measuring steps are complicated, and errors are more likely to occur.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a box for road bed road surface compactness detection device, includes the vertical box that sets firmly in base top surface middle part, the spacing groove has been seted up at base top surface middle part, box bottom fixed mounting is inside the spacing groove, the box is inside hollow rectangular structure setting, box bottom surface and outside intercommunication, base bottom surface four corners has all set firmly the wheel of stopping, the base below is equipped with the base plate subassembly, the control platform has been set firmly on the box top, both ends top is the symmetrical structure and is equipped with the handrail about the box, the box is inside to be equipped with and irritates husky subassembly.
Preferably, the substrate assembly comprises a substrate, the substrate is arranged at a position right below the limiting groove, a rectangular groove is formed in the middle of the substrate, and a circular sand filling hole is formed in the middle of the rectangular groove.
Preferably, the top of both ends transversely still is equipped with spout B around the base plate, the base plate right-hand member is well structure setting for the position on rectangle recess right side, inside rotation of spout B is connected with the threaded rod, inside vertically of rectangle recess is equipped with rather than inner wall sliding contact's cleaning plate, both ends extend to spout B inside around the cleaning plate, the threaded rod passes cleaning plate and rather than threaded connection, the unthreaded position of threaded rod right-hand member extends to inside cavity A of base plate right-hand member and cup joints gear A, inside being equipped with of cavity A of base plate right-hand member servo motor A, gear B has been cup jointed to servo motor A output shaft outer wall, gear B passes through chain meshing with gear A and is connected.
Preferably, the substrate left and right sides both ends top is the front and back symmetrical structure and is equipped with two bracing pieces, is located left side place ahead and right side rear two inside sliding connection of bracing piece has slide bar A, slide bar A top surface extends to bracing piece top and is connected fixedly with the base bottom surface, is located left side place ahead and right side place ahead two inside sliding connection in bracing piece below has slide bar B, slide bar B bottom extends to bracing piece below and is connected fixedly with the substrate top surface, is located left side place ahead and right side place ahead two inside cavity B of having seted up in the position that the bracing piece is close to the top, slide bar B is rectangular structure setting, slide bar B top surface down threaded connection has lead screw A, lead screw A top unthreaded position extends to cavity B inside and rotates with its inner wall and be connected, lead screw A top outer wall cup joints bevel gear A, inside horizontal rotation of cavity B is connected with pivot A, pivot A outer wall cup joint with bevel gear B with perpendicular meshing of bevel gear A, one of pivot A extends to the bracing piece outside and is connected with servo motor B, servo motor B is fixed in the base top surface.
Preferably, the sand filling assembly comprises a movable box body, a sliding groove A is formed in the left end and the right end of the box body, the movable box body is in a cylindrical structure, the left end and the right end of the movable box body extend to the inside of the sliding groove A and are in sliding connection with the sliding groove A, a weight measuring instrument is fixedly arranged on the top surface of the movable box body, the top surface of the weight measuring instrument is fixed on the top surface of the box body, a servo motor C is fixedly arranged in the movable box body, a bevel gear C is sleeved on the outer wall of an output shaft of the servo motor C, a rotating shaft B is arranged on the front side of the servo motor C, a screw rod B is arranged below the left end and the right end of the movable box body, a non-threaded part of the top of the screw rod B extends to the inside of the movable box body and is in rotary connection with the movable box body, a bevel gear D is sleeved on the outer wall of the top end of the screw rod B, and bevel gears E which are respectively meshed with the bevel gears C and the bevel gears D vertically are sequentially sleeved on the outer wall of the rotating shaft B.
Preferably, a sand holding barrel is arranged below the movable box body, fixing blocks are fixedly arranged at the left end and the right end of the sand holding barrel Sha Tong, the screw rod B penetrates through the fixing blocks and is in threaded connection with the fixing blocks, an embedded sand filling groove is fixedly formed in the sand holding barrel, the sand filling groove is in a circular truncated cone-shaped structure with a small upper end, and the sand filling Sha Caode end is arranged at the position, close to the bottom end, of the sand holding barrel.
Preferably, the sand filling tank outside is parallel from top to bottom and is equipped with two backup pads, is located the below the backup pad is fixed with flourishing sand bucket connection, is located the below the backup pad is located and is irritated sand tank below and has been seted up hourglass sand hole, it is equipped with hourglass sand valve to irritate sand tank bottom, it is vertical to leak sand valve right-hand member to set firmly the regulation pole, it is fixed with the backup pad connection that is located the top to adjust the pole top the backup pad that is located the top is connected with flourishing sand bucket inner wall and flourishing sand tank outer wall rotation, is located the top the backup pad bottom is the annular structure and is equipped with the rack, is located the below the servo motor D has set firmly on the backup pad left end top surface, servo motor D output shaft cup joints the gear C who is connected with the rack meshing.
Compared with the prior art, the invention provides a road subgrade compactness detection device, which has the following beneficial effects:
(1) The invention has the specific operation processes that the motor is used for driving, in the using process, the motor is independently connected with an independent movable battery and a controller, and the Bluetooth chip carried by the controller is wirelessly communicated with the Bluetooth module of the control console main control board in a broadcasting mode, and various components are existing and well-known devices, wherein the base plate assembly works in a mode that a rectangular groove-shaped imaging tray is arranged in the middle of the base plate, and a circular sand filling hole is arranged in the middle of the base plate, and because a gap exists between a sand leakage valve and the surface of a roadbed during actual detection, the error is larger during actual measurement, the error is required to be caused by the fact that the sand is directly filled, in the pre-measurement, the sand amount of MA is required to be measured, and therefore the sand amount of MA is remained on the base plate, and is connected with the gear A through chain engagement through a gear B, and the rotation is realized.
(2) The substrate in the invention can be automatically lifted, the substrate can be ensured to move in the vertical direction to ensure that the pit digging and sand filling points can be reselected after the substrate moves in the measurement process, and the concrete working principle is that the servo motor B is started, the servo motor B drives the rotating shaft A to rotate, the screw rod A is further realized to rotate due to the vertical engagement of the bevel gear A and the bevel gear B, the screw rod A is in threaded connection with the slide rod B and the slide rod B is in an arc-shaped arrangement, so that the slide rod B cannot rotate and can move up and down due to friction force, the substrate can be regulated and controlled by utilizing the up-down movement of the slide rod B, and in addition, the related structures in the invention are convenient to move up and down, after the brake wheel is fixed, the moving directions of the substrate and the sand filling barrel are all in the vertical direction, so that the consistency of the falling points in each descending process is ensured, the trouble that the marking points need to be marked when the manual measurement is sequentially moved is solved, the working efficiency is improved, and the measurement error is reduced.
(3) According to the sand filling assembly, the sand filling purpose is achieved, the problems of pre-measurement and repeated weighing and measurement before and after measurement are solved, the weighing is carried out, the movable box body and the internal structure which are related to the sand filling barrel are used as a part of the total mass of the sand filling barrel, the fact that the quality is poor after the lifting adjustment process is guaranteed, the screw rod B can be rotated when the servo motor C is started in the operation process, further, the position adjustment of the sand filling barrel is achieved, the adjusting rod moves together with the supporting plate located above after the servo motor D is started, and the sand leakage valve is opened and closed.
Drawings
FIG. 1 is a schematic diagram of the overall front view of the present invention;
FIG. 2 is a schematic diagram of the overall left-view structure of the present invention;
FIG. 3 is a schematic view of the front slope of the case and the overall split structure of the present invention;
FIG. 4 is a schematic view of the structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at A;
FIG. 6 is a schematic view showing the front cross-sectional structure of the support rod and the slide rod A according to the present invention;
FIG. 7 is a schematic view showing a front side section of a movable case and related components
FIG. 8 is a schematic diagram of the front section of the sand measuring barrel and related components.
Description of the figure:
1. a base; 101. a limit groove; 2. a case; 201. a chute A; 3. a brake wheel; 4. a substrate assembly; 401. a substrate; 402. rectangular grooves; 403. sand filling holes; 404. a chute B; 405. a threaded rod; 406. a cleaning plate; 407. a gear A; 408. a servo motor A; 409. a gear B; 410. a support rod; 411. a slide bar A; 412. a slide bar B; 413. a cavity B; 414. a screw rod A; 415. bevel gears A; 416. a rotating shaft A; 417. bevel gear B; 418. a servo motor B; 5. a console; 6. an armrest; 7. filling Sha Zujian; 701. a movable box body; 702. a weight measuring instrument; 703. a servo motor C; 704. bevel gears C; 705. a rotating shaft B; 706. a screw rod B; 707. bevel gears D; 708. a bevel gear E; 709. a sand holding barrel; 710. a fixed block; 711. a sand filling groove; 712. a support plate; 713. a sand leakage valve; 714. an adjusting rod; 715. a rack; 716. a servo motor D; 717. and a gear C.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a device for detecting compactness of road subgrade and road surface comprises a box body 2 vertically fixed in the middle of the top surface of a base 1, a limit groove 101 is formed in the middle of the top surface of the base 1, the bottom end of the box body 2 is fixedly arranged in the limit groove 101, the box body 2 is in a rectangular structure with hollow inside, the bottom surface of the box body 2 is communicated with the outside, brake wheels 3 are fixedly arranged at four corners of the bottom surface of the base 1, a substrate assembly 4 is arranged below the base 1, a control table 5 is fixedly arranged at the top end of the box body 2, handrails 6 are symmetrically arranged at the tops of the left end and the right end of the box body 2, and sand filling assemblies 7 are arranged in the box body 2.
The substrate assembly 4 comprises a substrate 401, the substrate 401 is arranged at a position right below the limiting groove 101, a rectangular groove 402 is formed in the middle of the substrate 401, and a circular sand filling hole 403 is formed in the middle of the rectangular groove 402.
The top of both ends transversely still is equipped with spout B404 around base plate 401, the base plate 401 right-hand member is the well structure setting for the position on rectangular groove 402 right side, the inside rotation of spout B404 is connected with threaded rod 405, rectangular groove 402 inside vertically is equipped with rather than inner wall sliding contact's cleaning plate 406, both ends extend to spout B404 inside around the cleaning plate 406, threaded rod 405 passes cleaning plate 406 and with its threaded connection, threaded rod 405 right-hand member unthreaded position extends to the cavity A inside of base plate 401 right-hand member and cup joints gear A407, the cavity A inside of base plate 401 right-hand member is equipped with servo motor A408, gear B409 has been cup jointed to servo motor A408 output shaft outer wall, gear B409 and gear A407 pass through the chain meshing and are connected.
The invention provides a road subgrade and pavement compactness detection device, which solves the problems that twenty measurement tools are required to be carried and measurement is performed manually in a traditional detection mode, and semi-automatic detection is realized by utilizing a mechanical structure, so that the detection convenience and the detection efficiency are greatly improved. Specifically, the invention is suitable for the sand filling flow path of detecting the compactness of the roadbed by a sand filling method, firstly, the device mainly comprises a substrate 401 and a sand containing barrel 709, the substrate 401 is utilized for positioning, compacted soil is excavated in a sand filling hole 403 in the middle of the substrate 401 for detection, meanwhile, sand is filled in the excavated hole, and the sand filling quality is measured; the main sand filling flow of the invention is that after the base plate 401 is positioned, before the bottom end of the sand holding bucket 709 does not descend to the sand filling hole 403, the weight measuring instrument 702 is used for weighing the total mass M1 of the movable box 701 and the inner part of the sand holding bucket 709 and the mutually connected structure; the servo motor C703 in the movable box body 701 is utilized to adjust the sand containing barrel 709 to descend to the position of the sand filling hole 403, the servo motor D716 is utilized to open the sand leakage valve 713, the sand filling valve 713 is closed after the sand filling naturally flows out to be stationary, and the total mass M2 is weighed after the sand containing barrel 709 is lifted and stationary; the invention is designed for the roadbed, and will not be described in detail here, but it is still to be noted that the roadbed soil is excavated and the remark M3 is still needed to be weighed; repeatedly starting a servo motor C703 to adjust the sand containing barrel 709 to descend to the position of the sand filling hole 403, then opening a sand leakage valve 713 to naturally flow out the sand to be stationary, and then closing the sand leakage valve 713 to weigh the whole mass M4 in the above manner; in the process again, through M1-M2=MA, wherein MA is the sand holding quantity of a hole gap formed between the sand leakage valve 713 and the roadbed soil, so that the obtained sand filling quality M2-M4-MA=MB is the sand holding quality of the hole after the soil is excavated, compaction degree detection can be carried out by matching with the roadbed soil quality M3 and the drying sequential quality of the taken small sample soil.
The specific operation process of the invention is that the motor is driven, in the use process, the motor is independently connected with an independent movable battery and a controller, and is wirelessly communicated with the Bluetooth module of the control console 5 main control board in a broadcasting mode through the Bluetooth chip carried by the controller, and as various components are existing and common-knowledge equipment, redundant description is omitted; mainly the operation mode of base plate subassembly 4 is, the base plate 401 middle part has seted up rectangular groove 402 and has formed the structure like the tray to begin circular sand filling hole 403 in the centre, because there is the clearance between hourglass sand valve 713 and the road bed surface during actual detection, actual measurement directly irritates the sand and can lead to the error great, therefore, during the pre-measurement, need measure the appearance Sha Liang MA that has the clearance between hourglass sand valve 713 and the road bed surface, therefore the sand volume of MA can remain on base plate 401, through starting servo motor A408, through gear B409 and gear A407 through the meshing of chain connection, realize threaded rod 405 rotation, again because clean board 406 in the rectangular groove 402 and threaded connection between the threaded rod 405, can realize clearing up the sand volume of MA.
Example 2:
referring to fig. 3 and 6, the difference between the embodiment 1 is that; the top surfaces of the left end and the right end of the substrate 401 are in a front-back symmetrical structure, two support rods 410 positioned at the left front side and the right rear side are internally connected with a slide rod A411 in a sliding mode, the top surface of the slide rod A411 extends to the upper side of the support rods 410 and is fixedly connected with the bottom surface of the base 1, a slide rod B412 is internally connected with the lower parts of the two support rods 410 positioned at the left rear side and the right front side in a sliding mode, the bottom ends of the slide rod B412 extend to the lower parts of the support rods 410 and are fixedly connected with the top surface of the substrate 401 in a connecting mode, a cavity B413 is formed in the position, close to the top, of the two support rods 410 positioned at the left rear side and the right front side, of the slide rod B412 is in a rectangular structure, the top surface of the slide rod B412 is connected with a lead screw A414 in a downward threaded mode, the unthreaded part of the top of the lead screw A414 extends to the inside of the cavity B413 and is rotatably connected with the inner wall of the lead screw A415 in a connecting mode, a rotating shaft A416 is transversely connected to the inner wall of the top end of the lead screw A414 in a sleeved mode, the outer wall of the cavity B413 is sleeved with a bevel gear B417 vertically meshed with the rotating shaft A418, one end of the rotating shaft A418 extends to the outer side of the support rod 410 to the support rod 410 and is connected with a servo motor B418, the top is connected with the top B418, the top of the top of the servo motor B418 is fixedly arranged at the top surface 1.
The substrate 401 in the invention needs to be arranged to be capable of automatically lifting, and can be automatically adjusted to serve as a foundation of soil taking under the condition that equipment movement is not required, and the specific working principle is that the servo motor B418 is started, the servo motor B418 drives the rotating shaft A416 to rotate, and the bevel gear A415 is vertically meshed with the bevel gear B417, so that the rotation of the screw rod A414 is realized, the screw rod A414 is in threaded connection with the slide rod B412, and the slide rod B412 is in arc-shaped arrangement, so that the slide rod B412 cannot rotate and can move up and down due to friction force, and the substrate 401 can be regulated and controlled by utilizing the upward and downward movement of the slide rod B412.
Example 3:
referring to fig. 3, 7 and 8, the difference is based on the embodiment 1-2; the sand filling assembly 7 comprises a movable box body 701, wherein sliding grooves A201 are formed in the left end and the right end of the box body 2, the movable box body 701 is in a cylindrical structure, the left end and the right end of the movable box body 701 extend to the inside of the sliding grooves A201 and are in sliding connection with the sliding grooves A201, a weight measuring instrument 702 is fixedly arranged on the top surface of the movable box body 701, the top surface of the weight measuring instrument 702 is fixed on the top surface of the box body 2, a servo motor C703 is fixedly arranged in the movable box body 701, a bevel gear C704 is sleeved on the outer wall of an output shaft of the servo motor C703, a rotating shaft B705 is arranged on the front side of the servo motor C703, a screw rod B706 is arranged below the left end and the right end of the movable box body 701, a non-threaded part of the top of the screw rod B706 extends to the inside of the movable box body 701 and is in rotating connection with the movable box body, a bevel gear D707 is sleeved on the outer wall of the top end of the screw rod B706, and bevel gears E708 which are respectively meshed with the bevel gears C704 and the bevel gears D707 in sequence are sleeved on the outer wall of the screw rod B706.
The movable box body 701 below is equipped with flourishing sand bucket 709, flourishing sand bucket 709 left and right sides both ends have set firmly fixed block 710, and lead screw B706 passes fixed block 710 and threaded connection together, flourishing sand bucket 709 inside has set firmly embedded sand filling groove 711, and sand filling groove 711 is the setting of the little round platform type structure of upper end, and sand filling groove 711 bottom is located flourishing sand bucket 709 and is close to the position of bottom.
The outside of the sand filling groove 711 is provided with two support plates 712 in an up-down parallel manner, the support plates 712 below are fixedly connected with the sand filling barrel 709, the support plates 712 below are arranged below the sand filling groove 711 and provided with sand leakage holes, the bottom end of the sand filling groove 711 is provided with a sand leakage valve 713, the right end of the sand leakage valve 713 is vertically fixedly provided with an adjusting rod 714, the top end of the adjusting rod 714 is fixedly connected with the support plates 712 above, the support plates 712 above are rotatably connected with the inner wall of the sand filling barrel 709 and the outer wall of the sand filling groove 711, the bottom surface of the support plates 712 above is in an annular structure and provided with racks 715, the top surface of the left end of the support plates 712 below is fixedly provided with a servo motor D716, and an output shaft of the servo motor D716 is sleeved with a gear C717 in meshed connection with the racks 715.
According to the sand filling assembly 7, the sand filling purpose is achieved, the problems of pre-measurement and repeated weighing and measurement before and after measurement are solved, the weighing is implemented, the movable box 701 and the internal structure which are related to the sand filling barrel 709 are used as a part of the total mass of the sand filling barrel 709, the fact that the quality is poor after the lifting adjustment process is achieved is guaranteed, the screw rod B706 can be rotated by starting the servo motor C703 in the operation process, further the position adjustment of the sand filling barrel 709 is achieved, the adjusting rod 714 moves together with the supporting plate 712 located above after the servo motor D716 is started, and the sand leakage valve 713 is opened and closed.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (3)
1. A be used for road bed road surface compactness detection device, includes box (2) that vertical fixedly in base (1) top surface middle part set firmly, its characterized in that: the novel sand filling machine is characterized in that a limit groove (101) is formed in the middle of the top surface of the base (1), the bottom end of the box body (2) is fixedly arranged inside the limit groove (101), the box body (2) is in a rectangular structure with hollow inside, the bottom surface of the box body (2) is communicated with the outside, brake wheels (3) are fixedly arranged at four corners of the bottom surface of the base (1), a substrate assembly (4) is arranged below the base (1), a control table (5) is fixedly arranged at the top end of the box body (2), armrests (6) are symmetrically arranged at the tops of the left end and the right end of the box body (2), and sand filling assemblies (7) are arranged inside the box body (2);
the substrate assembly (4) comprises a substrate (401), wherein the substrate (401) is arranged at a position right below the limit groove (101), a rectangular groove (402) is formed in the middle of the substrate (401), and a circular sand filling hole (403) is formed in the middle of the rectangular groove (402);
the movable box body (701) is provided with a sliding chute A (201) in the left end and the right end of the box body (2), the movable box body (701) is in a cylindrical structure, the left end and the right end of the movable box body (701) extend to the inside of the sliding chute A (201) and are in sliding connection with the sliding chute A, a weight measuring instrument (702) is fixedly arranged on the top surface of the movable box body (701), the top surface of the weight measuring instrument (702) is fixed on the top surface of the box body (2), a servo motor C (703) is fixedly arranged in the movable box body (701), a bevel gear C (704) is sleeved on the outer wall of an output shaft of the servo motor C (703), a rotating shaft B (705) is arranged on the front side of the servo motor C (703), a screw rod B (706) is arranged below the left end and the right end of the movable box body (701), a screwless part of the screw rod B (706) extends to the inside of the movable box body (701) and is in rotating connection with the screw rod B, a bevel gear D (706) is sleeved on the outer wall of the screw rod B (706), a bevel gear C (705) is sequentially sleeved on the outer wall of the screw rod B (706), and the bevel gear C (706) is meshed with the bevel gear C (708) in sequence, and the bevel gear C (708) is meshed with the bevel gear C (707);
the sand filling device is characterized in that a sand containing barrel (709) is arranged below the movable box body (701), fixed blocks (710) are fixedly arranged at the left end and the right end of the sand containing barrel (709), a screw rod B (706) penetrates through the fixed blocks (710) and is in threaded connection, an embedded sand filling groove (711) is fixedly arranged in the sand containing barrel (709), the sand filling groove (711) is in a circular truncated cone-shaped structure with a large top end, and the bottom end of the sand filling groove (711) is arranged at a position close to the bottom end of the sand containing barrel (709);
two supporting plates (712) are arranged on the outer side of the sand filling groove (711), the two supporting plates (712) are vertically parallel, the supporting plates (712) located below are fixedly connected with the sand filling barrel (709), the supporting plates (712) located below are arranged below the sand filling groove (711) and provided with sand leakage holes, sand leakage valves (713) are arranged at the bottom ends of the sand filling groove (711), adjusting rods (714) are vertically and fixedly arranged at the right ends of the sand leakage valves (713), the top ends of the adjusting rods (714) are fixedly connected with the supporting plates (712) located above, the supporting plates (712) located above are rotatably connected with the inner wall of the sand filling barrel (709) and the outer wall of the sand filling groove (711), racks (715) are arranged on the bottom surface of the supporting plates (712) located above in an annular structure, servo motors D (716) are fixedly arranged on the top surface of the left end of the supporting plates (712), and output shafts of the servo motors D (716) are sleeved with gears C (717) which are in meshed connection with the racks (715);
before the bottom end of the sand containing barrel (709) does not descend to the sand filling hole (403), weighing the movable box body (701) and the total mass M1 of the inner part of the sand containing barrel (709) and the mutual connection structure, adjusting the sand containing barrel (709) to descend to the position of the sand filling hole (403), opening a sand leakage valve (713), naturally flowing out the sand to rest, closing the sand leakage valve (713), and weighing the total mass M2 after the sand containing barrel (709) is lifted to rest;
digging out roadbed soil, and weighing remarks M3 of the roadbed soil;
repeatedly starting a servo motor C (703) to adjust a sand containing barrel (709) to descend to the position of a sand filling hole (403), opening a sand leakage valve (713) again to enable sand to naturally flow out to be static, closing the sand leakage valve (713), and weighing the whole mass M4;
ma=m1-M2, MA being the volume Sha Liang where there is a gap between the sand leakage valve (713) and the subgrade surface; mb=m2-M4-MA, MB is the sand holding quality of the hole after digging the subgrade soil.
2. The apparatus for detecting compactness of a road subgrade according to claim 1, characterized in that: the utility model discloses a cleaning device for the electronic equipment, including base plate (401), inside rotation of base plate (401) around both ends top is transversely still equipped with spout B (404), spout B (404) inside rotates and is connected with threaded rod (405), inside vertically of rectangular groove (402) is equipped with cleaning board (406) rather than inner wall sliding contact, both ends extend to spout B (404) inside around cleaning board (406), threaded rod (405) pass cleaning board (406) and rather than threaded connection, threaded rod (405) right-hand member unthreaded position extends to inside cavity A of base plate (401) right-hand member and cup joints gear A (407), inside servo motor A (408) that is equipped with of cavity A of base plate (401) right-hand member, servo motor A (408) output shaft outer wall cup joints gear B (409), gear B (409) are connected through the chain meshing with gear A (407).
3. The apparatus for detecting compactness of a road subgrade according to claim 2, characterized in that: the substrate (401) is provided with two support rods (410) with front-back symmetrical structures on the top surfaces at the left and right ends, two support rods (410) positioned at the front left and the rear right are internally connected with a slide rod A (411) in a sliding manner, the top surfaces of the slide rod A (411) extend to the upper part of the support rods (410) and are fixedly connected with the bottom surface of the base (1), two slide rods B (412) are connected in the lower parts of the support rods (410) positioned at the rear left and the front right, the bottom ends of the slide rods B (412) extend to the lower parts of the support rods (410) and are fixedly connected with the top surface of the substrate (401), a cavity B (413) is formed in the positions, close to the top, of the two support rods (410) positioned at the rear left and the front right sides, the sliding rod B (412) is arranged in a rectangular structure, the top surface of the sliding rod B (412) is connected with a screw rod A (414) in a downward threaded mode, the unthreaded part at the top of the screw rod A (414) extends into the cavity B (413) and is rotationally connected with the inner wall of the cavity B (413), the outer wall of the top end of the screw rod A (414) is sleeved with a bevel gear A (415), the inner part of the cavity B (413) is transversely rotationally connected with a rotating shaft A (416), the outer wall of the rotating shaft A (416) is sleeved with a bevel gear B (417) vertically meshed with the bevel gear A (415), one end of the rotating shaft A (416) extends to the outer side of the supporting rod (410) and is connected with a servo motor B (418), the servo motor B (418) is fixed on the top surface of the base (1).
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| CN202110288811.6A CN112945621B (en) | 2021-03-18 | 2021-03-18 | Be used for road subgrade road surface compactness detection device |
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| CN202110288811.6A CN112945621B (en) | 2021-03-18 | 2021-03-18 | Be used for road subgrade road surface compactness detection device |
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