CN212844842U

CN212844842U - Maximum theoretical density test detection device for asphalt mixture

Info

Publication number: CN212844842U
Application number: CN201921780269.0U
Authority: CN
Inventors: 谢生华; 周世康; 蔡宣炎; 龚明子; 俞婷婷; 饶先鹏; 苏艺凡; 王涛
Original assignee: Cccc First Highway Engineering Bureau Xiamen Detection Technology Co ltd
Current assignee: Cccc First Highway Engineering Bureau Xiamen Detection Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2021-03-30
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a maximum theoretical density test detection device of bituminous mixture, including detecting the quick-witted main part, the top both sides fixed mounting who detects the quick-witted main part has the dish of placing, and what be convenient for better carries on spacing fixedly to the apron for the difficult production skew in position of apron, better assurance apron and the leakproofness of pitch compounding detection bucket simultaneously. The utility model discloses in, it has the draw-in groove to open through the phase place opposite at the spacing clamp plate both ends, is convenient for connect spacing clamp plate on the air pipe connector for spacing clamp plate pressfitting is opened the spacing groove in the top of position sleeve on the apron, is convenient for spacing the spring housing in the spacing groove, and the spring housing plays extrusion locking and convenient to detach's effect to spacing clamp plate. The utility model discloses in, there is the hand dish in the upper end fixed mounting of fixed plate, and the hand dish of being convenient for drives the screw rod and rotates.

Description

Maximum theoretical density test detection device for asphalt mixture

Technical Field

The utility model belongs to the technical field of the pitch, specifically be the experimental detection device of bituminous mixture maximum theoretical density.

Background

The asphalt mixture is a generic name of a mixture prepared by mixing mineral aggregate and asphalt binder. The material is divided into continuous gradation and discontinuous gradation mixed materials according to the material composition and structure. The device is divided into dense-graded, semi-open-graded and open-graded mixtures according to the mineral aggregate grading composition and the void ratio, the density of the asphalt mixture needs to be detected after the existing asphalt mixture is finished, the existing asphalt mixture density detection device has a single structure, the asphalt mixture is usually placed into a detection barrel, a cover plate is covered on the detection barrel, the asphalt mixture can be detected, and the structure of the existing cover plate needs to be improved because the asphalt mixture generates vibration and air pressure during detection and is easy to push down the cover plate;

under prior art's support, innovate, improve to the structure of current apron department, be convenient for better fixing on detecting the bucket, be convenient for better detect the use to bituminous mixture, increase work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a device for testing and detecting the maximum theoretical density of the asphalt mixture is provided.

The device for testing the maximum theoretical density of the asphalt mixture comprises a detector main body, wherein a placing plate is fixedly mounted on two sides of the top of the detector main body, an asphalt mixture detecting barrel is placed inside the placing plate, a cover plate is placed above the asphalt mixture detecting barrel, a gas pipe connector is fixedly mounted at the middle of the top of the cover plate, a fixed column is fixedly mounted at the middle of the top of the detector main body, a fixed plate is connected to the upper end of the fixed column through threads, and a limiting pressing plate is movably sleeved on the fixed column.

The utility model adopts the technical scheme as follows:

the limiting device comprises a fixing column, a limiting pressing plate and a limiting groove, wherein the two ends of the limiting pressing plate are oppositely provided with clamping grooves, the lower side of the fixing column is in threaded connection with the positioning sleeve, the inner side of the upper side of the positioning sleeve is provided with the limiting groove, the limiting groove is fixedly provided with a spring sleeve, and the spring sleeve is sleeved on the fixing column.

The left side of the fixing plate is in threaded connection with a screw rod, a hand disc is fixedly mounted at the upper end of the screw rod, and a positioning disc is fixedly mounted at the lower end of the screw rod.

The clamping groove is matched with the specification of the air pipe connector, the clamping groove is clamped on the air pipe connector, and the length of the limiting pressing plate is the same as the distance between the outermost sides of the asphalt mixing material detection barrels.

The positioning disc is connected with the joint of the screw rod through a bearing, the lower end of the spring sleeve is fixedly connected, and the upper end of the spring sleeve is movably extruded below the limiting pressing plate.

The buffer rubber layer is bonded at the joint of the limiting pressure plate and the cover plate, and the limiting pressure plate is pressed in the middle of the cover plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the apron of being convenient for better carries on spacing fixedly for the difficult skew that produces in position of apron, better assurance apron simultaneously detects the leakproofness of bucket with the pitch compounding.

1. The utility model discloses in, it has the draw-in groove to open through the phase place opposite at the spacing clamp plate both ends, is convenient for connect spacing clamp plate on the air pipe connector for spacing clamp plate pressfitting is opened the spacing groove in the top of position sleeve on the apron, is convenient for spacing the spring housing in the spacing groove, and the spring housing plays extrusion locking and convenient to detach's effect to spacing clamp plate.

2. The utility model discloses in, there is the hand dish in the upper end fixed mounting of fixed plate, and the hand dish of being convenient for drives the screw rod and rotates, has the positioning disk at the screw rod lower extreme through bearing swing joint, under the cooperation of screw rod and positioning disk, can carry out spacing fixed to spacing clamp plate with spacing clamp plate pressfitting in the top of apron for the apron is better with the leakproofness of pitch compounding detection bucket.

Drawings

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

FIG. 2 is a schematic view of the structure of the limiting pressing plate of the present invention;

fig. 3 is a schematic view of the structure of the positioning sleeve of the present invention.

The labels in the figure are: 1. a detector main body; 2. placing a tray; 3. an asphalt mixing detection barrel; 4. a cover plate; 5. a gas pipe joint; 6. fixing a column; 7. a fixing plate; 8. a limiting pressure plate; 9. a card slot; 10. a positioning sleeve; 11. a limiting groove; 12. a spring housing; 13. a screw; 14. a handwheel; 15. and (6) positioning a disc.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, the testing device for testing the maximum theoretical density of the asphalt mixture comprises a testing machine main body 1, wherein placing discs 2 are fixedly installed on two sides above the testing machine main body 1, an asphalt mixture testing barrel 3 is placed inside the placing discs 2, a cover plate 4 is placed above the asphalt mixture testing barrel 3, a gas pipe joint 5 is fixedly installed in the middle position above the cover plate 4, a fixing column 6 is fixedly installed in the middle position above the testing machine main body 1, a fixing plate 7 is connected to the upper end of the fixing column 6 through a thread, a screw 13 is connected to the left side of the fixing plate 7 through a thread, a hand disc 14 is fixedly installed at the upper end of the screw 13, the hand disc 14 is convenient to drive the screw 13 to rotate, a positioning disc 15 is fixedly installed at the lower end of the screw 13, and a limiting pressing plate 8 is pressed above the cover plate 4 under the matching of, the sealing performance of the cover plate 4 and the asphalt mixing material detection barrel 3 is better, the joint of the positioning disc 15 and the screw 13 is connected through a bearing, the lower end of the spring sleeve 12 is fixedly connected, the upper end of the spring sleeve 12 is movably extruded below the limiting pressure plate 8, the limiting pressure plate 8 is movably sleeved on the fixed column 6, a buffer rubber layer is adhered to the joint of the limiting pressure plate 8 and the cover plate 4, the limiting pressure plate 8 is pressed in the middle position of the cover plate 4, the two ends of the limiting pressure plate 8 are oppositely provided with clamping grooves 9, the limiting pressure plate 8 is conveniently clamped on the air pipe connector 5, the limiting pressure plate 8 is pressed on the cover plate 4, the clamping grooves 9 are matched with the specification of the air pipe connector 5, the clamping grooves 9 are clamped on the air pipe connector 5, the length of the limiting pressure plate 8 is the same as the distance between the outermost sides of the asphalt mixing material detection barrel 3, the positioning sleeve 10 is in threaded connection with the, be convenient for spacing spring housing 12 in spacing groove 11, spring housing 12 plays extrusion locking and convenient to detach's effect to spacing clamp plate 8, and the inside fixed mounting of spacing groove 11 has spring housing 12, and spring housing 12 cup joints on fixed column 6.

The working principle is as follows: when detecting density to bituminous mixture, pour bituminous mixture into the inside that bituminous mixture detected bucket 3, place apron 4 in the top that bituminous mixture detected bucket 3, through rotating limit clamp 8, can be with the draw-in groove 9 joint that open at limit clamp 8 both ends on air pipe joint 5, through rotating hand dish 14, make hand dish 14 drive screw rod 13 and positioning disk 15 downstream, positioning disk 15 pressurizes limit clamp 8 this moment, under limit clamp 8's pressure, apron 4 more stable pressfitting detects the top of bucket 3 at bituminous mixture, make bituminous mixture detect bucket 3 and apron 4 formation airtight state.

After bituminous mixture detected and accomplished, through rotating hand dish 14, hand dish 14 drove screw 13 and positioning disk 15 upward movement for positioning disk 15 breaks away from limiting pressing plate 8, and limiting pressing plate 8 upsprings upwards under the effect of spring housing 12 this moment, rotates limiting pressing plate 8 to one side, can break away from air pipe connector 5 with draw-in groove 9, can open apron 4 this moment.

The utility model has the advantages that: be convenient for better carry on spacing fixedly to apron 4 for apron 4's the difficult skew that produces in position, simultaneously better assurance apron 4 detects bucket 3's leakproofness with the pitch compounding.

1. The utility model discloses in, open through the opposite position at 8 both ends of limit clamp plate there is draw-in groove 9, be convenient for with 8 joints of limit clamp plate on the tracheal joint 5 for 8 pressfittings of limit clamp plate are opened spacing groove 11 in the top of position sleeve 10 on apron 4, are convenient for spacing 12 spring housings in spacing groove 11, and spring housing 12 plays extrusion locking and convenient to detach's effect to limit clamp plate 8.

2. The utility model discloses in, there is hand dish 14 at the upper end fixed mounting of fixed plate 7, and the hand dish 14 of being convenient for drives screw rod 13 and rotates, has positioning disk 15 at screw rod 13 lower extreme through bearing swing joint, under the cooperation of screw rod 13 and positioning disk 15, with 8 pressfittings of limit clamp plate in the top of apron 4, can carry out spacing fixed to limit clamp plate 8 for apron 4 is better with the leakproofness that the pitch compounding detected bucket 3.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The test detection device for the maximum theoretical density of the asphalt mixture comprises a detection machine main body (1) and is characterized in that: the device is characterized in that a placing tray (2) is fixedly mounted on two sides of the top of a detector main body (1), a asphalt mixing material detection barrel (3) is placed inside the placing tray (2), an cover plate (4) is placed above the asphalt mixing material detection barrel (3), a gas pipe connector (5) is fixedly mounted at the middle of the top of the cover plate (4), a fixing column (6) is fixedly mounted at the middle of the top of the detector main body (1), a fixing plate (7) is connected to the upper end of the fixing column (6) in a threaded manner, and a limiting pressing plate (8) is movably sleeved on the fixing column (6).

2. The test detection device for the maximum theoretical density of the asphalt mixture according to claim 1, characterized in that: the limiting pressing plate is characterized in that clamping grooves (9) are oppositely formed in two ends of the limiting pressing plate (8), a positioning sleeve (10) is in threaded connection with the lower portion of the fixing column (6), a limiting groove (11) is formed in the inner side of the upper portion of the positioning sleeve (10), a spring sleeve (12) is fixedly mounted in the limiting groove (11), and the spring sleeve (12) is sleeved on the fixing column (6).

3. The test detection device for the maximum theoretical density of the asphalt mixture according to claim 1, characterized in that: the left side threaded connection of fixed plate (7) has screw rod (13), the upper end fixed mounting of screw rod (13) has hand dish (14), the lower extreme fixed mounting of screw rod (13) has positioning disk (15), positioning disk (15) pass through the bearing with the junction of screw rod (13) and are connected.

4. The asphalt mixture maximum theoretical density test detection device of claim 2, characterized in that: the special-purpose asphalt mixing device is characterized in that the clamping groove (9) is matched with the specification of the air pipe connector (5), the clamping groove (9) is connected to the air pipe connector (5) in a clamped mode, and the length of the limiting pressing plate (8) is equal to the distance between the outermost sides of the asphalt mixing material detection barrels (3).

5. The asphalt mixture maximum theoretical density test detection device of claim 2, characterized in that: the lower end of the spring sleeve (12) is fixedly connected, and the upper end of the spring sleeve (12) is movably extruded below the limiting pressure plate (8).

6. The test detection device for the maximum theoretical density of the asphalt mixture according to claim 1, characterized in that: the buffer rubber layer is bonded at the joint of the limiting pressing plate (8) and the cover plate (4), and the limiting pressing plate (8) is pressed in the middle of the cover plate (4).