CN210031749U

CN210031749U - Highway engineering roadbed compactness field detection device

Info

Publication number: CN210031749U
Application number: CN201920498032.7U
Authority: CN
Inventors: 张建; 齐文廷; 杨岩; 潘浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-14
Filing date: 2019-04-14
Publication date: 2020-02-07
Anticipated expiration: 2029-04-14

Abstract

The utility model discloses a highway engineering roadbed compactness field detection device, which comprises a supporting plate, wherein the bottom surface of the supporting plate is provided with an anchoring device, the top surface of the supporting plate is provided with a power device, and a sampling device is arranged inside the power device; rotate through power device drive sampling device, make downstream when sampling device pivoted, carry out the rotary cutting to the roadbed soil, make the roadbed soil get into sampling device, carry out the evacuation to sampling device through drawing vacuum apparatus, make the roadbed soil can not follow the inside landing of sampling device, ensure to shift the in-process of collecting soil and can not have soil to lose, the precision that has improved the quality detection, the style soil that takes out is the compacted soil post, it is very little with the area of air contact, the moisture evaporation is slow, the precision that humidity detected has been improved, thereby the testing result that makes the roadbed compactness is more accurate.

Description

Highway engineering roadbed compactness field detection device

Technical Field

The utility model relates to a highway engineering field, more specifically say, relate to a highway engineering roadbed compactness field detection device.

Background

The compaction degree is also called as compaction degree, which refers to the ratio of the dry density of soil or other road building materials after compaction to the standard maximum dry density, expressed in percentage, and is one of the key indexes for detecting the construction quality of the roadbed and the road surface.

However, in the actual operation process of detecting the compactness by the sand filling method, when a chisel, a screwdriver and an iron hammer are used for excavating a test hole, the upper part of the test hole is large or the upper part of the test hole is small or the upper part of the test hole is large due to operation errors of workers, so that the detection density is large or small, the error is large, the excavated sample soil is taken out by a long scoop and is transferred, collected and weighed, the sample soil taken out is dispersed, and is easy to spill and lose in the transferring and collecting process, so that the quality error is large, meanwhile, the contact area with air is large, the moisture evaporation is more, the humidity detection error is large, the detected compactness error is further increased, and therefore, a highway engineering roadbed compactness field detection device needs to be designed urgently.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

In the actual operation process who adopts the method of filling sand to detect compactness to exist among the prior art, use chisel, screwdriver, when the iron hammer excavates the examination hole, easy because of staff misoperation, make examination hole big-end-up or big-end-up, just so can make detection density big-end-up or little-end, the error is great, and the style soil of excavating out takes out and shifts the collection through the long spoon, weigh, the style soil that takes out like this is the dispersed form, it loses easily to spill in the collection process to shift, lead to mass error great, simultaneously with air area of contact great, the evaporation of water is more, lead to humidity detection error great, the problem that the compactness error that makes the detection obtain further increases, the utility model aims to provide a highway engineering subgrade compactness field detection device, the problem that provides in the background art that it can be fine solution.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A highway engineering roadbed compactness field detection device comprises a supporting plate, wherein an anchoring device is arranged on the bottom surface of the supporting plate, a power device is arranged on the top surface of the supporting plate, and a sampling device is arranged inside the power device;

the power device comprises a power box, the power box is connected with the top surface of a supporting plate, the bottom surface of the inner cavity of the power box is movably connected with a driving pipe, the top end of the driving pipe extends to the outside of the power box, the driving pipe is movably sleeved with the power box, a limiting groove is formed in the surface of the driving pipe, scale marks positioned on the left side and the right side of the limiting groove are arranged on the surface of the driving pipe, a driven bevel gear positioned in the power box is fixedly sleeved on the outside of the driving pipe, a driving shaft penetrates through the right side surface of the power box, a driving bevel gear is fixedly connected to the left end of the driving shaft, the driving bevel gear is meshed with the driven bevel gear, and the right end of the driving shaft is connected with a;

sampling device includes the sampling tube, the bottom of sampling tube runs through driving tube, headstock and backup pad in proper order, the sampling tube cup joints with the equal activity of driving tube and headstock, the sampling tube cup joints with the backup pad screw thread, the outside screw thread of sampling tube has cup jointed the reinforcement piece, the top surface of reinforcement piece welds with the bottom surface of backup pad, the bottom mounting intercommunication of sampling tube has the sample head, the top of sampling tube is equipped with draws vacuum apparatus.

Preferably, the anchoring device includes the supporting leg, the top of supporting leg is connected with the bottom surface of backup pad, the inside sliding connection of supporting leg has the slider, the top surface fixedly connected with anchoring screw of slider, anchoring screw's top is run through the backup pad and is connected with the carousel, anchoring screw's outside and backup pad screw thread cup joint, the bottom surface of slider is equipped with ground vortex pole.

Preferably, the vacuum pulling device comprises a control box, the bottom surface of the control box is connected with the top end of the sampling tube, the top surface of the control box is provided with an air vent, the inner wall of the control box is movably connected with a rotating shaft, the right end of the rotating shaft extends to the outside of the control box and is connected with a rotating handle, the outside of the rotating shaft is fixedly sleeved with a wire receiving roller and a limiting roller, the top surface of the control box is inserted with a limiting bolt, the limiting bolt is in threaded sleeve connection with the top surface of the control box and is positioned right above the limiting roller, the outside of the wire receiving roller is wound with a traction steel wire, one end of the traction steel wire extends to the inside of the sampling tube and is connected with a piston, the piston is in transmission connection with the bottom surface of the control box through an ejection spring, the outer surface of the piston is provided with a mounting, and a constant pressure device is arranged in the piston.

Preferably, constant voltage equipment includes constant voltage hole, fixed orifices and installation lid, the inside at the piston is all established to constant voltage hole and fixed orifices, constant voltage hole and fixed orifices intercommunication, the installation lid cup joints with the fixed orifices screw thread, the bleeder vent has been seted up to the top surface of installation lid, the top surface of installation lid inner chamber is connected with the telescopic link, the bottom of telescopic link is connected with spacing dish, the bottom surface of spacing dish is equipped with the stopper, the stopper cup joints with the constant voltage hole activity, compression spring has been cup jointed in the outside activity of telescopic link, compression spring's both ends are connected with the top surface of installation lid inner chamber and the top surface of spacing dish respectively.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the anchoring screw rod is rotated by the rotating disc and moves downwards under the action of the screw thread matching with the supporting plate, the anchoring screw rod drives the ground rotating scroll rod to move downwards while driving the ground rotating scroll rod to be inserted into the roadbed through the sliding block, the detection device is ensured to be stably fixed and in a vertical state, the upper and lower sizes of a test hole excavated by the detection device are consistent, a hole arm is in a vertical state, sand is more easily filled in the test hole in the sand filling process, the accuracy of density detection is improved, the sampling device is driven to rotate by the power device, the sampling device moves downwards while rotating, roadbed soil is rotatably cut, the roadbed soil enters the sampling device, the sampling device is vacuumized by the vacuum device, the roadbed soil cannot slide down from the inside of the sampling device, the soil cannot be lost in the process of transferring and collecting the soil, and the accuracy of quality detection is improved, the sample soil taken out is a compacted soil column, the contact area with air is small, the water evaporation is slow, and the humidity detection precision is improved, so that the detection result of the roadbed compactness is more accurate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the sampling device of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the piston of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a support plate; 2. an anchoring device; 3. supporting legs; 4. anchoring the screw rod; 5. rotating the disc; 6. a slider; 7. a ground-rotating scroll bar; 8. a sampling device; 9. a drive tube; 10. a limiting groove; 11. scale lines; 12. a sampling tube; 13. a sampling head; 14. a reinforcing block; 15. a power plant; 16. a power box; 17. a driven bevel gear; 18. a drive shaft; 19. a drive bevel gear; 20. a drive handle; 21. pulling a vacuum device; 22. a control box; 23. a rotating shaft; 24. a wire take-up roller; 25. a limiting roller; 26. a limit bolt; 27. rotating the handle; 28. drawing the steel wire; 29. a piston; 30. ejecting a spring; 31. mounting grooves; 32. a seal ring; 33. a constant pressure device; 34. a constant pressure orifice; 35. a fixing hole; 36. installing a cover; 37. air holes are formed; 38. a telescopic rod; 39. a limiting disc; 40. a plug; 41. compressing the spring.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-3, a field detection device for road foundation compactness in highway engineering comprises a support plate 1, an anchoring device 2 disposed on the bottom surface of the support plate 1, a power device 15 disposed on the top surface of the support plate 1, and a sampling device 8 disposed inside the power device 15.

Anchoring device 2 includes supporting leg 3, and the top of supporting leg 3 is connected with the bottom surface of backup pad 1, and the inside sliding connection of supporting leg 3 has slider 6, and the top surface fixedly connected with anchoring screw 4 of slider 6, anchoring screw 4's top run through backup pad 1 and are connected with carousel 5, and anchoring screw 4's outside and 1 screw thread of backup pad cup joint, and slider 6's bottom surface is equipped with ground vortex pole 7 of changeing.

Power device 15 includes headstock 16, headstock 16 is connected with the top surface of backup pad 1, the bottom surface swing joint of 16 inner chambers of headstock has drive tube 9, the top of drive tube 9 extends to the outside of headstock 16, drive tube 9 cup joints with the headstock 16 activity, spacing groove 10 has been seted up on the surface of drive tube 9, the surface of drive tube 9 is equipped with the scale mark 11 that is located the spacing groove 10 left and right sides, the external fixation of drive tube 9 has cup jointed the driven bevel gear 17 that is located 16 insides of headstock, the right flank cross-under of headstock 16 has drive shaft 18, the left end fixedly connected with of drive shaft 18 drives bevel gear 19, drive bevel gear 19 and driven bevel gear 17 intermeshing, the right-hand member of drive shaft 18 is connected with drive handle 20.

Sampling device 8 includes sampling tube 12, and driving tube 9, headstock 16 and backup pad 1 are run through in proper order to the bottom of sampling tube 12, and sampling tube 12 cup joints with the equal activity of driving tube 9 and headstock 16, and sampling tube 12 cup joints with backup pad 1 screw thread, and the outside screw thread of sampling tube 12 has cup jointed reinforcing block 14, and reinforcing block 14's top surface and the bottom surface welding of backup pad 1, and the bottom mounting intercommunication of sampling tube 12 has sampling head 13, and the top of sampling tube 12 is equipped with and draws vacuum device 21.

The vacuum pulling device 21 comprises a control box 22, the bottom surface of the control box 22 is connected with the top end of the sampling tube 12, the top surface of the control box 22 is provided with a vent hole, the inner wall of the control box 22 is movably connected with a rotating shaft 23, the right end of the rotating shaft 23 extends to the outside of the control box 22 and is connected with a rotating handle 27, the outside of the rotating shaft 23 is fixedly sleeved with a wire receiving roller 24 and a limiting roller 25, the top surface of the control box 22 is inserted with a limiting bolt 26, the limiting bolt 26 is in threaded sleeve joint with the top surface of the control box 22, the limiting bolt 26 is positioned right above the limiting roller 25, the outside of the wire receiving roller 24 is wound with a traction steel wire 28, one end of the traction steel wire 28 extends to the inside of the sampling tube 12 and is connected with a piston 29, the piston 29 is in transmission connection with the bottom surface of the control box 22 through an ejection spring 30, the outer surface of the piston 29.

The constant pressure device 33 comprises a constant pressure hole 34, a fixed hole 35 and an installation cover 36, the constant pressure hole 34 and the fixed hole 35 are both arranged inside the piston 29, the constant pressure hole 34 is communicated with the fixed hole 35, the installation cover 36 is in threaded sleeve joint with the fixed hole 35, the top surface of the installation cover 36 is provided with an air hole 37, the top surface of the inner cavity of the installation cover 36 is connected with a telescopic rod 38, the bottom end of the telescopic rod 38 is connected with a limiting disc 39, the bottom surface of the limiting disc 39 is provided with a plug 40, the plug 40 is movably sleeved with the constant pressure hole 34, the outer part of the telescopic rod 38 is movably sleeved with a compression spring 41, two ends of the compression spring 41 are respectively connected with the top surface of the inner cavity of the installation cover 36 and the top surface of the limiting disc 39 for constant pressure, when soil enters the sampling tube 12, air inside the sampling tube 12 is extruded, the air pressure rises, the plug 40 is jacked up, the plug 40 is pressed into the constant pressure hole 34 by the elastic force of the pressing spring 41 to seal the constant pressure hole 34, thereby facilitating the evacuation of the space above the soil column.

The working principle is as follows:

firstly, the device is placed at a flat sampling place, then an anchoring screw rod 4 is rotated through a rotating disk 5, the anchoring screw rod 4 moves downwards under the action of the screw thread matching with a supporting plate 1, the anchoring screw rod 4 drives a rotary vortex rod 7 to move downwards while carrying the rotary vortex rod 7 to rotate through a slide block 6, then the rotary vortex rod 7 is inserted into a roadbed, so that the detection device is stably fixed and in a vertical state, then a driving handle 20 is rotated, the driving handle 20 drives a driving shaft 18 to rotate, the driving shaft 18 drives a driving pipe 9 to rotate through the meshing action of a driving bevel gear 19 and a driven bevel gear 17, the driving pipe 9 drives a sampling pipe 12 to rotate through the matching of a sampling head 13 and a limiting groove 10, the sampling pipe 12 moves downwards under the action of the screw thread matching with the supporting plate 1 and a reinforcing block 14, then the sampling pipe 12 drives the sampling head 13 to move downwards while carrying the rotation, the sampling head 13 is rotated to cut roadbed soil, then the roadbed soil enters the sampling head 13 under the action of extrusion force, then the roadbed soil in the sampling head 13 enters the sampling tube 12 after further extrusion, the action force between the roadbed soil and the inner wall of the sampling tube 12 is increased, the roadbed soil cannot fall under the action of gravity, then the depth of a test hole is determined through the matching of the scale mark 11 and the sampling head 13, after the depth of the test hole meets the requirement, the rotating handle 27 is rotated, the rotating handle 27 drives the wire take-up roller 24 to rotate through the rotating shaft 23, so that the pulling steel wire 28 is wound outside the wire take-up roller 24, the pulling steel wire 28 pulls the piston 29 to move upwards, the sealing ring 32 is matched to seal a gap between the piston 29 and the inner wall of the sampling tube 12, the space between the piston 29 and a soil column is in a negative pressure state, and an upward force is provided for the soil column by utilizing the, further increasing the difficulty of downward falling of roadbed soil, enabling the soil column to be more stable, then rotating the limiting bolt 26, enabling the limiting bolt 26 to move downwards under the action of the threaded fit of the limiting bolt 26 and the control box 22, enabling the bottom end of the limiting bolt 26 to abut against the limiting roller 25, locking the limiting roller 25, further locking the take-up roller 24, then reversely rotating the driving handle 20, enabling the driving handle 20 to move upwards under the action of the threaded socket joint of the driving shaft 18, the driving bevel gear 19 and the driven bevel gear 17, the driving pipe 9, the limiting groove 10 and the sampling head 13, driving the sampling pipe 12 to reversely rotate, enabling the sampling pipe 12 to move upwards under the action of the threaded socket joint of the driving shaft 18, the driving bevel gear 19 and the driven bevel gear 17, pulling the sampling head 13 out of the test hole, then sleeving the plastic bag for collecting soil on the sampling head 13, then reversely rotating the limiting bolt 26, enabling the limiting bolt 26 to move upwards and separate from the limiting roller 25, then enabling the piston 29 to slide downwards under the, and ejecting the soil column to finish the collection of the sample soil.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a highway engineering road bed compactness field detection device, includes backup pad (1), its characterized in that: the bottom surface of the supporting plate (1) is provided with an anchoring device (2), the top surface of the supporting plate (1) is provided with a power device (15), and a sampling device (8) is arranged in the power device (15);

the power device (15) comprises a power box (16), the power box (16) is connected with the top surface of the support plate (1), the bottom surface of the inner cavity of the power box (16) is movably connected with a driving tube (9), the top end of the driving tube (9) extends to the outside of the power box (16), the driving tube (9) is movably sleeved with the power box (16), a limiting groove (10) is formed in the surface of the driving tube (9), scale marks (11) positioned on the left side and the right side of the limiting groove (10) are arranged on the surface of the driving tube (9), a driven bevel gear (17) positioned inside the power box (16) is fixedly sleeved on the outside of the driving tube (9), a driving shaft (18) is inserted in the right side surface of the power box (16), a driving bevel gear (19) is fixedly connected with the left end of the driving shaft (18), and the driving bevel gear (19) is meshed with the driven bevel gear (17), the right end of the driving shaft (18) is connected with a driving handle (20);

sampling device (8) are including sampling tube (12), the bottom of sampling tube (12) runs through driving tube (9), headstock (16) and backup pad (1) in proper order, sampling tube (12) and driving tube (9) and headstock (16) equal activity cup joint, sampling tube (12) and backup pad (1) screw thread cup joint, the external screw thread of sampling tube (12) has cup jointed reinforcing block (14), the top surface of reinforcing block (14) and the bottom surface welding of backup pad (1), the bottom mounting intercommunication of sampling tube (12) has sample head (13), the top of sampling tube (12) is equipped with draws vacuum apparatus (21).

2. The on-site detection device for the compactness of the roadbed of the highway engineering according to claim 1, wherein the detection device comprises: anchoring device (2) include supporting leg (3), the top of supporting leg (3) is connected with the bottom surface of backup pad (1), the inside sliding connection of supporting leg (3) has slider (6), the top surface fixedly connected with anchoring screw (4) of slider (6), the top of anchoring screw (4) runs through backup pad (1) and is connected with carousel (5), the outside and backup pad (1) screw thread of anchoring screw (4) cup joint, the bottom surface of slider (6) is equipped with ground vortex pole (7) of changeing.

3. The on-site detection device for the compactness of the roadbed of the highway engineering according to claim 1, wherein the detection device comprises: the vacuum drawing device (21) comprises a control box (22), the bottom surface of the control box (22) is connected with the top end of a sampling tube (12), the top surface of the control box (22) is provided with an air vent, the inner wall of the control box (22) is movably connected with a rotating shaft (23), the right end of the rotating shaft (23) extends to the outside of the control box (22) and is connected with a rotating handle (27), a wire receiving roller (24) and a limiting roller (25) are fixedly sleeved on the outside of the rotating shaft (23), a limiting bolt (26) is inserted on the top surface of the control box (22), the limiting bolt (26) is in threaded sleeve joint with the top surface of the control box (22), the limiting bolt (26) is positioned right above the limiting roller (25), a drawing steel wire (28) is wound on the outside of the wire receiving roller (24), one end of the drawing steel wire (28) extends to the inside of the sampling tube (12) and is connected with a piston (29), piston (29) are connected with the bottom surface transmission of control box (22) through ejecting spring (30), mounting groove (31) have been seted up to the surface of piston (29), sealing washer (32) are inlayed in the inside of mounting groove (31), the inside of piston (29) is equipped with constant pressure device (33).

4. The on-site detection device for the compactness of the roadbed of the highway engineering according to claim 3, wherein the detection device comprises: the constant pressure device (33) comprises a constant pressure hole (34), a fixing hole (35) and a mounting cover (36), the constant pressure hole (34) and the fixed hole (35) are both arranged inside the piston (29), the constant pressure hole (34) is communicated with the fixed hole (35), the mounting cover (36) is in threaded sleeve connection with the fixed hole (35), the top surface of the mounting cover (36) is provided with an air hole (37), the top surface of the inner cavity of the mounting cover (36) is connected with a telescopic rod (38), the bottom end of the telescopic rod (38) is connected with a limiting disc (39), the bottom surface of the limiting disc (39) is provided with a plug (40), the plug (40) is movably sleeved with the constant pressure hole (34), the outer part of the telescopic rod (38) is movably sleeved with a compression spring (41), and two ends of the compression spring (41) are respectively connected with the top surface of the inner cavity of the mounting cover (36) and the top surface of the limiting disc (39).