CN215727493U

CN215727493U - Highway engineering road bed compactness detection device

Info

Publication number: CN215727493U
Application number: CN202121326104.3U
Authority: CN
Inventors: 乔源; 孙鹏; 赵亚明; 徐向辉; 李卓
Original assignee: Shenyang Highway Engineering Supervision Co ltd
Current assignee: Shenyang Highway Engineering Supervision Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-02-01
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a road engineering roadbed compactness detection device, which comprises a nuclear density instrument main body, wherein a probe rod frame is arranged on the upper surface of the nuclear density instrument main body, a probe rod is arranged in the inner cavity of the probe rod frame, a top rod is fixedly connected to the top end of the probe rod frame, a support block is fixedly connected to the side wall of an outer rod, a round hole block is fixedly connected to the side wall of the support block, the side wall of the round hole block is in clearance fit with a graduated scale, the probe rod can slide in the inner cavity of the probe rod frame, and the probe rod can penetrate through the ground, when the probe rod slides, the outer rod drives the support block to move together, the graduated scale is observed through the round hole of the round hole block, the nuclear density meter main body is used for detecting the roadbed compactness, the probe rod can be adjusted through the graduated scale, the current position height of the probe rod is checked, when detecting different soil layers, the probe rod is conveniently controlled, accurate contrast is also realized when the height is adjusted, and the influence on the soil layer detection of different heights is avoided.

Description

Highway engineering road bed compactness detection device

Technical Field

The utility model relates to the technical field of highway engineering, in particular to a device for detecting the compactness of a highway engineering roadbed.

Background

The roadbed compactness refers to the ratio of the dry density of soil or other road building materials after compaction to the standard maximum dry density, and is expressed by percentage, the roadbed compactness is one of key indexes for roadbed pavement construction quality detection, and represents the density condition after on-site compaction, the higher the compactness is, the higher the density is, the better the overall performance of the material is, usually, a nuclear density instrument is adopted for detection, and the nuclear density instrument method is a non-destructive determination method, can rapidly determine the wet density and the water content, meets the on-site rapid and non-destructive requirements, and has the advantages of convenient operation and visual display.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for detecting the compaction degree of a roadbed in highway engineering, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a highway engineering roadbed compactness detection device, includes nuclear density appearance main part, the last surface mounting of nuclear density appearance main part has probe rod frame, the probe rod is installed to probe rod frame's inner chamber, probe rod frame's top fixedly connected with ejector pin, the bottom fixedly connected with scale of ejector pin, the lateral wall fixedly connected with outer pole of probe rod, the lateral wall fixedly connected with of outer pole props up the piece, prop up the lateral wall fixedly connected with round hole piece of piece, the lateral wall and the scale clearance fit of round hole piece.

Preferably, the bottom side wall clearance fit of nuclear density appearance main part has the density board, the lateral wall tip symmetry fixedly connected with knee of density board, the top fixedly connected with lagging of knee, the inner chamber of lagging with nuclear density appearance main part clearance fit, the shape of lagging and the outer edge phase-match of nuclear density appearance main part.

Preferably, the side wall of the bent rod is sleeved with a sliding block, the side wall of the sliding block is fixedly connected with a supporting leg, the bottom end of the supporting leg is fixedly connected with a bottom block, and the bottom end of the bottom block is fixedly connected with a base.

Preferably, a rubber block is connected between the sleeve plate and the nuclear density instrument main body in an interference manner.

Preferably, the side wall of the density board is fixedly connected with a pull rod.

Compared with the prior art, the utility model has the beneficial effects that: the probe can slide in probe frame inner chamber, the probe can run through ground, when the probe slides, the outer pole can drive a piece and together remove, the scale is observed to the round hole through the round hole piece, carry out the detection of road bed compaction degree through the nuclear densimeter main part, can adjust the probe through the scale, look over the current position height of probe, when detecting different soil layers, conveniently control the probe, also have accurate contrast during height-adjusting, avoid influencing the soil layer detection of co-altitude.

Drawings

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

FIG. 2 is a detail view of the construction of the round hole block of the present invention;

FIG. 3 is a detail view of the slider of the present invention;

FIG. 4 is a detail view of the construction of the rubber block of the present invention;

in the figure: 1. a nuclear densitometer body; 2. a probe holder; 3. a probe rod; 4. a top rod; 5. a graduated scale; 6. an outer rod; 7. supporting a block; 8. a round hole block; 9. a density board; 10. bending a rod; 11. sheathing; 12. a slider; 13. a support leg; 14. a bottom block; 15. a base; 16. a rubber block; 17. a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a road foundation compactness testing device for highway engineering, comprising a nuclear densitometer main body 1, wherein a probe holder 2 is arranged on the upper surface of the nuclear densitometer main body 1, a probe 3 is arranged in the inner cavity of the probe holder 2, a top rod 4 is fixedly connected to the top end of the probe holder 2, a graduated scale 5 is fixedly connected to the bottom end of the top rod 4, an outer rod 6 is fixedly connected to the side wall of the probe 3, a support block 7 is fixedly connected to the side wall of the outer rod 6, a round hole block 8 is fixedly connected to the side wall of the support block 7, the side wall of the round hole block 8 is in clearance fit with the graduated scale 5, the nuclear densitometer main body 1 is placed on the ground, after the position of the nuclear densitometer main body 1 is adjusted, the probe 3 is pressed downwards, the probe 3 slides in the inner cavity of the probe holder 2, the probe 3 penetrates through the ground, the graduated scale 5 is fixed on the left side of the probe holder 2 by the top rod 4, the support block 7 is fixed on the left side of the probe 3 by the outer rod 6, when probe 3 slided, outer pole 6 can drive a piece 7 and together remove, and round hole piece 8 can laminate with scale 5, observes scale 5 through the round hole of round hole piece 8, carries out the detection of road bed compactness through nuclear densimeter main part 1.

The end lateral wall clearance fit of nuclear density appearance main part 1 has density board 9, the lateral wall tip symmetry fixedly connected with knee 10 of density board 9, the top lateral wall fixedly connected with lagging 11 of knee 10, the inner chamber of lagging 11 and the 1 clearance fit of nuclear density appearance main part, the shape of lagging 11 and the outer phase-match that follows of nuclear density appearance main part 1, can place nuclear density appearance main part 1 on density board 9 tests before using, nuclear density appearance main part 1 can cup joint at the 11 inner chambers of lagging when placing, it is spacing to carry out through lagging 11, it is convenient fixed with nuclear density appearance main part 1, make the accurate laminating of nuclear density appearance main part 1 and density board 9.

Slider 12 has been cup jointed to the lateral wall of knee 11, slider 12's lateral wall fixedly connected with landing leg 13, landing leg 13's bottom fixedly connected with bottom block 14, bottom fixedly connected with base 15 of bottom block 14, slider 12 can slide at knee 11 outer wall, can change landing leg 13's position, it supports to connect bottom block 14 through landing leg 13, base 14's material is rubber, by base 14 increase frictional force, increase the area of contact on density board 9 and ground through bottom block 14, make placing of density board 9 more steady.

The rubber block 16 is connected between the sleeve plate 11 and the nuclear density instrument main body 1 in an interference mode, the rubber block 16 is placed between the sleeve plate 11 and the nuclear density instrument main body 1, gaps between the sleeve plate 11 and the nuclear density instrument main body 1 can be filled, and the nuclear density instrument main body 1 is prevented from shaking in an inner cavity of the sleeve plate 11 after assembly.

The side wall fixedly connected with pull rod 17 of density board 9, pull rod 17 can increase the stress point of density board 9, can stimulate pull rod 17 when taking, can make the process of taking more convenient.

The working principle is as follows: place nuclear density appearance main part 1 on ground earlier when using, after adjusting the position of nuclear density appearance main part 1, push down probe 3, probe 3 can slide at 2 inner chambers of probe frame, and probe 3 can run through ground, and when probe 3 slides, outer pole 6 can drive a piece 7 and together remove, observes scale 5 through the round hole of round hole piece 8, carries out the detection of road bed compaction degree through nuclear density appearance main part 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway engineering road bed compactness detection device which characterized in that: including nuclear density appearance main part (1), the last surface mounting of nuclear density appearance main part (1) has probe rod frame (2), probe rod (3) are installed to the inner chamber of probe rod frame (2), top fixedly connected with ejector pin (4) of probe rod frame (2), bottom fixedly connected with scale (5) of ejector pin (4), lateral wall fixedly connected with outer pole (6) of probe rod (3), the lateral wall fixedly connected with of outer pole (6) props up piece (7), the lateral wall fixedly connected with round hole piece (8) of propping up piece (7), the lateral wall and scale (5) clearance fit of round hole piece (8).

2. The device for detecting the compactness of the roadbed of the highway engineering as claimed in claim 1, wherein: the utility model discloses a nuclear densimeter, including nuclear densimeter main part (1), the end lateral wall clearance fit of nuclear densimeter main part (1) has density board (9), the lateral wall tip symmetry fixedly connected with knee (10) of density board (9), the top fixedly connected with lagging (11) of knee (10), the inner chamber of lagging (11) with nuclear densimeter main part (1) clearance fit, the shape of lagging (11) and the outer phase-match of following of nuclear densimeter main part (1).

3. The device for detecting the compactness of the roadbed of the highway engineering according to claim 2, wherein the device comprises: the side wall of curved bar (11) has cup jointed slider (12), the lateral wall fixedly connected with landing leg (13) of slider (12), the bottom fixedly connected with bottom (14) of landing leg (13), the bottom fixedly connected with base (15) of bottom (14).

4. The device for detecting the compactness of the roadbed of the highway engineering according to claim 2, wherein the device comprises: and a rubber block (16) is connected between the sleeve plate (11) and the nuclear density instrument main body (1) in an interference manner.

5. The device for detecting the compactness of the roadbed of the highway engineering according to claim 2, wherein the device comprises: the side wall of the density plate (9) is fixedly connected with a pull rod (17).