CN212568006U

CN212568006U - Device for detecting compactness of road surface structure layer of municipal road

Info

Publication number: CN212568006U
Application number: CN202021098665.8U
Authority: CN
Inventors: 余宇健
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-19
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a device is used in town road pavement structure layer compactness detection, including casing and the fixed mount of cup jointing outside the casing, a plurality of support columns, every have been inserted to mount periphery ann the end of support column all is fixed with the walking wheel, the through-hole has been seted up to the bottom position department placed in the middle of the casing, the sampler barrel has been inserted to the through-hole ann, be provided with in the casing with sampler barrel assorted push down the subassembly, install in the sampler barrel and remove the subassembly, push down the subassembly including two montants of symmetry ground fixed mounting in the casing, two common slidable mounting has the seat that goes up and down between the montant. The utility model discloses can realize pushing out the past release of the road layer that the sample was held back down in the dish was to the sampler barrel, the man-hour that the road layer was held back down in the sample was held back in the sample barrel was taken out in the significantly reduced, and is practical reliable, convenient and fast has also made things convenient for the continuation sample of follow-up sampler barrel, has ensured the smooth propulsion of detection progress.

Description

Device for detecting compactness of road surface structure layer of municipal road

Technical Field

The utility model belongs to the technical field of the road surface structure detects, especially, relate to a town road pavement structure compactness detects and uses device.

Background

The pavement structure layer refers to each paving layer forming the pavement, and mainly comprises a surface layer, a base layer and a cushion layer according to the position and the action of the pavement structure layer. The latest 'design code for asphalt pavement for roads' indicates that a pavement structure layer consists of three parts: surface course, basic unit and subbase. The previous underlayment can be classified as a functional layer or a subgrade treatment layer. The road surface is not only subjected to the action of wheel load, but also affected by natural environmental factors. The influence of traffic load and atmospheric factors on the road surface is generally gradually weakened along with the depth, so that the road surface is usually of a multilayer structure, the material with good quality is laid on the upper layer with larger stress, and the material with poor quality is laid on the lower layer with smaller stress, thereby forming a road surface structure form that the material with different specifications and requirements is adopted on the roadbed, and the cushion layer, the base layer and the surface layer are respectively laid.

The compactness of town road surface structural layer needs to detect, relies on the sampling tube that pushes down to carry out sample detection to the road bed mostly at present, but the road bed of taking a sample in the sampling tube can not take out completely, and the process of taking out can delay more man-hour, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is used in town road pavement structure compactness detection to the sample road bed in solving current sampler barrel can not take out completely, and the problem in more man-hour can be hindered to the process of taking out.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a device is used in town road pavement structure layer compactness detection, includes casing and the fixed mount of fixed cover outside the casing, a plurality of support columns have been inserted to mount periphery ann, every the end of support column all is fixed with the walking wheel, the through-hole has been seted up to the bottom position department placed in the middle of the casing, the sampler barrel has been inserted to ann in the through-hole, be provided with in the casing with sampler barrel assorted push down the subassembly, install in the sampler barrel and push away the subassembly.

Preferably, the pushing assembly comprises two vertical rods symmetrically and fixedly installed in the shell, a lifting seat is installed between the two vertical rods in a sliding mode, the top end of the sampling tube is fixedly connected with the lifting seat, two telescopic mechanisms are fixed outside the two vertical rods, and the output ends of the telescopic mechanisms are fixed to the top of the lifting seat.

Preferably, the telescopic mechanism is a telescopic cylinder or a hydraulic oil cylinder.

Preferably, push away except that the subassembly is including fixing the telescopic link at top in the sampler barrel, the end of telescopic link is fixed with the ejector pin, the bottom mounting of ejector pin has the propulsion dish, the outer fringe of propulsion dish sets up with the inner wall laminating of sampler barrel, two rack plates are installed to the outer bilateral symmetry of ejector pin, two driving motor, two are installed to the symmetry in the sampler barrel the outer equal fixed cover of driving motor's output shaft has connect the gear, two the gear is connected with two rack plate meshing respectively.

Preferably, the driving motor is a dc servo motor.

Preferably, the bottom of the shell is fixedly provided with an annular scraper sleeved outside the sampling cylinder, and the inner edge of the annular scraper is subjected to grinding processing and is abutted against the outer wall of the sampling cylinder.

The utility model has the advantages that: through the past release of the way layer that the appearance was held back in to the sampler barrel of propelling movement dish, the man-hour of the way layer that the appearance was held back in taking out the sampler barrel that significantly reduces, practical reliable, convenient and fast has also made things convenient for the continuation sample of follow-up sampler barrel, has ensured the smooth propulsion of detection progress.

Drawings

FIG. 1 is a schematic structural view of a device for detecting compactness of a road surface structure layer of a municipal road provided by the utility model;

fig. 2 is the schematic diagram of the internal structure of the sampling tube of the present invention.

In the figure: the device comprises a shell 1, a fixing frame 2, a supporting column 3, a traveling wheel 4, a vertical rod 5, a lifting seat 6, a telescopic mechanism 7, a sampling cylinder 8, a through hole 9, an annular scraper 10, a telescopic rod 11, a push rod 12, a rack plate 13, a driving motor 14, a gear 15 and a push-out plate 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, a device for detecting compactness of a road surface structure layer of a municipal road comprises a shell 1 and a fixing frame 2 fixedly sleeved outside the shell 1, wherein a plurality of supporting columns 3 are inserted in the peripheral direction of the fixing frame 2, a traveling wheel 4 is fixed at the tail end of each supporting column 3, a through hole 9 is formed in the middle position of the bottom of the shell 1, a sampling cylinder 8 is inserted in the through hole 9, a pressing component matched with the sampling cylinder 8 is arranged in the shell 1, the pressing component comprises two vertical rods 5 symmetrically and fixedly arranged in the shell 1, a lifting seat 6 is jointly slidably arranged between the two vertical rods 5, the top end of the sampling cylinder 8 is fixedly connected with the lifting seat 6, telescopic mechanisms 7 are fixed outside the two vertical rods 5, the telescopic mechanisms 7 are telescopic air cylinders or hydraulic oil cylinders, the output ends of the two telescopic mechanisms 7 are both fixed with the top of the lifting seat 6, and a pushing component is arranged in the sampling cylinder;

the pushing-removing component comprises a telescopic rod 11 fixed at the top in the sampling cylinder 8, a push rod 12 is fixed at the tail end of the telescopic rod 11, a push plate 16 is fixed at the bottom end of the push rod 12, the outer edge of the push plate 16 is attached to the inner wall of the sampling cylinder 8, two rack plates 13 are symmetrically installed outside the push rod 12 in a left-right mode, two driving motors 14 are symmetrically installed in the sampling cylinder 8, the driving motors 14 are direct-current servo motors, gears 15 are fixedly sleeved outside output shafts of the two driving motors 14, and the two gears 15 are respectively connected with the two rack plates 13 in a meshed mode.

The bottom of the shell 1 is fixed with an annular scraper 10 sleeved outside the sampling tube 8, the inner edge of the annular scraper 10 is subjected to grinding processing and is abutted against the outer wall of the sampling tube 8, so that a road layer adhered to the outer wall of the sampling tube 8 can be prevented from being brought into the shell 1, and the cleanness degree of the outer part of the sampling tube 8 is ensured to a certain extent.

In this embodiment, the lower edge of sampling tube 8 is sharp, drives lift seat 6 through two telescopic machanism 7 and pushes down and to realize the sampling of sampling tube 8 to the road bed.

Specifically, the telescopic mechanism 7 drives the lifting seat 6 to move downwards under the limit of the vertical rod 5, so that digging, cutting and sampling of the sampling cylinder 8 can be realized, and then the telescopic mechanism 7 is controlled to lift the lifting seat 6 to withdraw the sampling cylinder 8;

then, the two driving motors 14 drive the two gears 15 to rotate so as to realize synchronous meshing and moving of the two rack plates 13, so that the pushing disc 16 can push the road layer intercepted by the sample in the sampling cylinder 8 outwards, and the working time for taking out the road layer intercepted by the sample in the sampling cylinder 8 is greatly reduced;

the sampling device is practical, reliable, convenient and fast, facilitates continuous sampling of the subsequent sampling cylinder 8, and ensures smooth pushing of detection progress.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a town road pavement structure compactness detects uses device, connects mount (2) outside casing (1) including casing (1) and fixed cover, its characterized in that, mount (2) periphery is to ann having inserted a plurality of support columns (3), every the end of support column (3) all is fixed with walking wheel (4), through-hole (9) have been seted up to the bottom position department placed in the middle of casing (1), ann has inserted sampling tube (8) in through-hole (9), be provided with in casing (1) with sampling tube (8) assorted push down the subassembly, install in sampling tube (8) and push away the subassembly.

2. The device for detecting the compactness of the pavement structure layer of the municipal road according to claim 1, wherein the pressing assembly comprises two vertical rods (5) symmetrically and fixedly installed in the housing (1), a lifting seat (6) is installed between the two vertical rods (5) in a sliding manner, the top end of the sampling cylinder (8) is fixedly connected with the lifting seat (6), telescopic mechanisms (7) are fixed outside the two vertical rods (5), and the output ends of the telescopic mechanisms (7) are fixed with the top of the lifting seat (6).

3. The device for detecting the compactness of the pavement structure layer of the municipal road according to claim 2, wherein the telescopic mechanism (7) is a telescopic cylinder or a hydraulic oil cylinder.

4. The device for detecting the compactness of the pavement structure of the municipal road according to claim 1, wherein the pushing component comprises a telescopic rod (11) fixed at the top in the sampling cylinder (8), a push rod (12) is fixed at the tail end of the telescopic rod (11), a pushing disc (16) is fixed at the bottom end of the push rod (12), the outer edge of the pushing disc (16) is attached to the inner wall of the sampling cylinder (8), two rack plates (13) are symmetrically installed at the outer side and the left side of the push rod (12), two driving motors (14) are symmetrically installed in the sampling cylinder (8), two gears (15) are fixedly sleeved on the outer output shafts of the driving motors (14), and the two gears (15) are respectively meshed with the two rack plates (13).

5. The device for detecting the compactness of the pavement structure of municipal roads according to claim 4, wherein the driving motor (14) is a DC servo motor.

6. The device for detecting the compactness of the pavement structure of the municipal road according to claim 1, wherein an annular scraper (10) sleeved outside the sampling cylinder (8) is fixed at the bottom of the shell (1), and the inner edge of the annular scraper (10) is subjected to grinding processing and is abutted against the outer wall of the sampling cylinder (8).