Asphalt mixture permeability detection device
By employing a bidirectional lead screw and threaded connecting block structure in the permeability testing device, the upper and lower chambers can be easily separated. Furthermore, the design of the fixing seat, groove, and positioning slot solves the problem of inconvenient cleaning in existing devices and improves cleaning efficiency.
Patent Information
- Application Number
- CN202520113978.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing permeability testing devices are inconvenient to clean because the upper and lower chambers are connected by hinges, reducing their convenience.
The structure employs a two-way lead screw and threaded connecting block, allowing for easy separation of the upper and lower housings through the cooperation of L-shaped limit blocks and limit slots. Furthermore, the use of a fixed base, groove, and positioning slot ensures stable positioning of the measuring cylinder.
It enables convenient separation of the upper and lower boxes and stable positioning of the measuring cylinder, improving the ease of cleaning and operational efficiency of the device.
Smart Images

Figure CN223926237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to permeability detection technical field, concretely relates to an asphalt mixture permeability detection device. BACKGROUND
[0002] Permeability detection aims at evaluating its ability to water penetration, so as to judge its water loss resistance, durability and safety of road structure, through detection, can find the possible problems in asphalt mixture in time, such as unreasonable pore structure, poor waterproof material performance etc., provide scientific basis for the design, construction and maintenance of road.
[0003] The existing permeability detection device such as patent number: CN221572252U, a kind of building waterproof material permeability detection device, including upper chamber, lower chamber, the upper part of the upper chamber one end outer side is fixedly connected with liquid inlet valve, liquid inlet valve input end is connected to water supply source, liquid inlet valve output end is connected to the liquid inlet pipe of upper chamber upper part, there are several spray heads on liquid inlet pipe, the bottom of the upper chamber is hinged to the side of lower chamber close to liquid inlet valve, the connecting place of upper chamber, lower chamber is equipped with mutually matched mounting groove, lower chamber is fixedly installed on the top of support, the inner wall of lower chamber is contracted to the bottom of outlet pipe, the bottom of outlet pipe is equipped with graduated cylinder;
[0004] Although the device can realize the split of upper and lower box by setting hinge and hinged clamp, but in the process of using, the interior of device is usually cleaned, but the traditional permeability detection device is usually connected by hinge and hinged clamp, so when cleaning, the device can only be opened by turning over the upper box, but because the upper and lower box is still connected by hinge, so that the staff is still very inconvenient to clean, thereby reducing the convenience of cleaning. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an asphalt mixture permeability detection device, which aims to solve the problem that the existing permeability detection device needs to be cleaned inside during use, but the traditional permeability detection device is usually connected by hinge and hinged clamp, so when cleaning, the device can only be opened by turning over the upper box, but because the upper and lower box is still connected by hinge, so that the staff is still very inconvenient to clean, thereby reducing the convenience of cleaning.
[0006] To achieve the above object, the utility model provides the following technical scheme: an asphalt mixture permeability detection device, including lower box, the top of lower box is provided with upper box, the top of upper box is connected with detection tube, one end of detection tube is installed with valve, the inside of lower box is provided with guide chute;
[0007] The bottom of the lower box body is connected with a discharging pipe, the bottom of the lower box body is provided with a bottom plate, the top of the bottom plate is provided with a measuring cylinder, the outer wall of the upper box body is connected with a fixing block, the end of the fixing block is provided with a limiting slot, the outer wall of the lower box body is connected with a mounting seat, one end of the mounting seat penetrates a bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected with two threaded connecting blocks, the top of the threaded connecting block is connected with an L-shaped limiting plug, and the inside of the mounting seat is connected with a guide rod.
[0008] As the asphalt mixture permeability detection device of the utility model is preferred, one end of the bidirectional screw rod is rotatably connected with the mounting seat through a bearing.
[0009] As the asphalt mixture permeability detection device of the utility model is preferred, the limiting slot is matched with the size of one end of the L-shaped limiting plug.
[0010] As the asphalt mixture permeability detection device of the utility model is preferred, one end of the two threaded connecting blocks is sleeved on the outer wall of the guide rod.
[0011] As the asphalt mixture permeability detection device of the utility model is preferred, the top of the bottom plate is connected with a fixing seat, the top of the fixing seat is provided with a groove, the top of the fixing seat is provided with a positioning groove, and the outer wall of the measuring cylinder is connected with a positioning block.
[0012] As the asphalt mixture permeability detection device of the utility model is preferred, the bottom of the measuring cylinder is located in the groove.
[0013] As the asphalt mixture permeability detection device of the utility model is preferred, the size between the positioning groove and the positioning block is matched.
[0014] Compared with the prior art, the asphalt mixture permeability detection device of the utility model has the advantages of:
[0015] By rotating the bidirectional screw rod, the two threaded connecting blocks threadedly connected with the outer wall of the bidirectional screw rod can move oppositely along the guide rod, and one end of the L-shaped limiting plug at the top of the two threaded connecting blocks will be separated from the limiting slot at the end of the fixing block, so that the lower box body and the upper box body can be conveniently separated for the staff to clean the inside of the device.
[0016] By arranging the fixing seat, the groove, the positioning groove and the positioning block, when the measuring cylinder is placed, the bottom of the measuring cylinder is inserted into the groove, and the positioning block on the outer wall of the measuring cylinder is embedded into the positioning groove, so that the measuring cylinder can be positioned and placed directly below the discharging pipe. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings are used to provide further understanding of the present application, and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:
[0018] Figure 1 is a three-dimensional structural schematic view of the present application;
[0019] Figure 2 is a three-dimensional sectional structural schematic view of the present application;
[0020] Figure 3 is a front sectional structural schematic view of the present application;
[0021] Figure 4 is an A enlarged structural schematic view of the present application;
[0022] Figure 5 is a B enlarged structural schematic view of the present application.
[0023] In the drawings: 1, lower box; 2, upper box; 3, detection pipe; 4, valve; 5, material guide hopper; 6, discharge pipe; 7, bottom plate; 8, measuring cylinder; 9, fixing block; 10, limiting slot; 11, mounting seat; 12, bidirectional screw rod; 13, threaded connection block; 14, L-shaped limiting plug; 15, guide rod; 16, fixing seat; 17, groove; 18, positioning groove; 19, positioning block. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] Please refer to Figures 1-5 The present application provides the following technical solutions: an asphalt mixture permeability detection device, comprising a lower box 1, the top of the lower box 1 is provided with an upper box 2, the top of the upper box 2 is connected with a detection pipe 3, one end of the detection pipe 3 is provided with a valve 4, the inside of the lower box 1 is provided with a material guide hopper 5;
[0026] The bottom of the lower box body 1 is connected with a discharge pipe 6, the bottom of the lower box body 1 is provided with a bottom plate 7, the top of the bottom plate 7 is provided with a measuring cylinder 8, the outer wall of the upper box body 2 is connected with a fixed block 9, the end of the fixed block 9 is provided with a limiting slot 10, the outer wall of the lower box body 1 is connected with a mounting seat 11, one end of the mounting seat 11 penetrates a two-way screw rod 12, the outer wall of the two-way screw rod 12 is threadedly connected with two threaded connecting blocks 13, the top of the threaded connecting block 13 is connected with an L-shaped limiting plug 14, and the inside of the mounting seat 11 is connected with a guide rod 15.
[0027] Preferably, one end of the two-way screw rod 12 is rotatably connected with the mounting seat 11 through a bearing, the limiting slot 10 is matched with the size of one end of the L-shaped limiting plug 14, and one end of the two threaded connecting blocks 13 is sleeved on the outer wall of the guide rod 15.
[0028] In specific use, the two threaded connecting blocks 13 threadedly connected with the outer wall of the two-way screw rod 12 can move oppositely along the guide rod 15, one end of the L-shaped limiting plug 14 at the top of the two threaded connecting blocks 13 is separated from the limiting slot 10 at the end of the fixed block 9, so that the lower box body 1 and the upper box body 2 can be conveniently separated.
[0029] Conversely, when the lower box body 1 and the upper box body 2 are connected and installed, the upper box body 2 is arranged on the lower box body 1, at this time, the fixed block 9 on the outer wall of the upper box body 2 is located between the two L-shaped limiting plugs 14, then the two threaded connecting blocks 13 threadedly connected with the outer wall of the two-way screw rod 12 can move oppositely along the guide rod 15 by reversely rotating the two-way screw rod 12, one end of the L-shaped limiting plug 14 at the top of the two threaded connecting blocks 13 is inserted into the limiting slot 10 at the end of the fixed block 9, so that the installation and fixation are realized.
[0030] Preferably, the top of the bottom plate 7 is connected with a fixed seat 16, the top of the fixed seat 16 is provided with a groove 17, the top of the fixed seat 16 is provided with a positioning groove 18, the outer wall of the measuring cylinder 8 is connected with a positioning block 19, the bottom of the measuring cylinder 8 is located in the groove 17, and the size between the positioning groove 18 and the positioning block 19 is matched.
[0031] In specific use, when the measuring cylinder 8 is placed, the bottom of the measuring cylinder 8 is inserted into the groove 17, and the positioning block 19 on the outer wall of the measuring cylinder 8 is embedded into the positioning groove 18, so that the measuring cylinder 8 can be positioned and placed directly below the discharge pipe 6.
[0032] Working principle: first, the detection tube 3 to the device into the asphalt mixture, when the asphalt mixture permeates through the rectangular plate will be along the guide chute 5 in the lower box 1 to the discharge pipe 6, then flow to the measuring cylinder 8, after the detection is finished, take out the measuring cylinder 8, can be measured on the penetration liquid, when the need to clean the inside of the device, by rotating the two-way screw rod 12, so that its outer wall screw thread connection of two threaded connection block 13 can along the guide rod 15 to move towards the opposite, with the two threaded connection block 13 opposite movement, its top L type limit insert block 14 one end will be from the fixed block 9 end of the limit slot 10 from the inside, so that the lower box 1 and the upper box 2 can be separated to facilitate the staff to clean the inside of the device, and through the fixed seat 16, groove 17, positioning groove 18 and positioning block 19, when the measuring cylinder 8 is placed, by the measuring cylinder 8 bottom into the groove 17, and make the measuring cylinder 8 outer wall on the positioning block 19 embedded in the positioning groove 18, so that the measuring cylinder 8 positioning placed in the discharge pipe 6 directly below.
[0033] Finally, it should be noted that: the above is only the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.
Claims
1. A device for detecting permeability of asphalt mixture, comprising a lower box (1), characterized in that: The top of the lower box (1) is provided with an upper box (2), the top of the upper box (2) is connected with a detection tube (3), one end of the detection tube (3) is provided with a valve (4), the inside of the lower box (1) is provided with a guide hopper (5); The bottom of the lower box (1) is connected with a discharge pipe (6), the bottom of the lower box (1) is provided with a bottom plate (7), the top of the bottom plate (7) is provided with a measuring cylinder (8), the outer wall of the upper box (2) is connected with a fixed block (9), the end of the fixed block (9) is provided with a limiting slot (10), the outer wall of the lower box (1) is connected with a mounting seat (11), one end of the mounting seat (11) penetrates through a bidirectional screw rod (12), the outer wall of the bidirectional screw rod (12) is threadedly connected with two threaded connecting blocks (13), the top of the threaded connecting block (13) is connected with an L-shaped limiting plug (14), the inside of the mounting seat (11) is connected with a guide rod (15).
2. The permeability detection device for asphalt mixture according to claim 1, characterized in that: One end of the bidirectional screw rod (12) is rotatably connected with the mounting seat (11) through a bearing.
3. The permeability detection device for asphalt mixture according to claim 1, characterized in that: The limiting slot (10) and the L-shaped limiting plug (14) are matched in size.
4. The permeability detection device for asphalt mixture according to claim 1, characterized in that: One end of the two threaded connecting blocks (13) is sleeved on the outer wall of the guide rod (15).
5. The permeability detection device for asphalt mixture according to claim 1, characterized in that: The top of the bottom plate (7) is connected with a fixing seat (16), the top of the fixing seat (16) is provided with a groove (17), the top of the fixing seat (16) is provided with a positioning groove (18), and the outer wall of the measuring cylinder (8) is connected with a positioning block (19).
6. The permeability detection device for asphalt mixture according to claim 5, characterized in that: The bottom of the measuring cylinder (8) is located in the groove (17).
7. The permeability detection device for asphalt mixture according to claim 5, characterized in that: The size between the positioning groove (18) and the positioning block (19) is matched.
Citation Information
Patent Citations
Permeability detection device for building waterproof material
CN221572252U