Highway subgrade strength detection device
By introducing a cover and an electric cylinder-driven top beam structure into the highway subgrade strength testing device, the problems of easy deformation of the support plate and flying debris were solved, enabling safe collection of core sample fragments and cleaning of the platform, thus improving the efficiency and safety of the test.
Patent Information
- Application Number
- CN202520134137.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing highway subgrade strength testing devices are prone to deformation and damage to the support plate during the pressure application process, and fragments can easily fly out of the protective cover, resulting in inconvenience in testing and safety hazards.
The core sample is fully shielded by a cover, and the cleaning structure, which is driven by an electric cylinder and uses rubber scrapers, enables the safe collection of core sample fragments and the cleaning of the work surface.
It effectively prevents core sample fragments from flying out, simplifies the cleaning process, and improves detection efficiency and safety.
Smart Images

Figure CN223780811U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road detection technical field, concretely is a kind of road embankment strength detection device. BACKGROUND
[0002] At present, when the strength of road embankment is detected, sampling needs to be carried out several times on the embankment of every kilometer road, and a pressure testing machine or related equipment is used to detect the core sample.
[0003] Through the retrieval, the patent with the announcement number CN219417056U discloses a kind of embankment strength detection device, it can support roadbed material by being provided with support plate, it can be driven by the first hydraulic cylinder to be set to the pressure plate and carry out the pressure setting to roadbed material, the protective cover is set to prevent roadbed material from breaking and splashing, after detection, support plate is turned over around pivot by the second hydraulic cylinder, after detection, roadbed material enters storage tank along support plate, it can quickly clean roadbed material, and the rapid detection of roadbed material can be realized.
[0004] The above-mentioned scheme detects the strength of roadbed material on the support plate that can be turned over, so as to quickly discharge the material by turning over the support plate after detection is completed, but when the roadbed material is pressed, the pivot of the support plate will be subjected to a large radial force, which is easy to deform and damage, and the top end of the protective cover is open, so the fragments may fly out of the protective cover when the roadbed material is crushed under pressure, which needs to be improved. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of road embankment strength detection device to solve the problems raised in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A kind of road embankment strength detection device, including test table, the bottom of the test table is fixedly installed with multiple supporting legs, the top of the test table is fixedly connected with two first electric cylinders, the push rod end of two first electric cylinders is fixedly connected with top beam in common, the bottom of the top beam is fixedly connected with multiple guide rods, the bottom end of multiple guide rods is fixedly connected with connecting seat in common, the bottom of the connecting seat is fixedly connected with pressure plate by force sensor, the outer side of multiple guide rods is commonly sleeved with cover, the top of the test table is provided with opening slot, the top of the test table is fixedly installed with second electric cylinder, the bottom of the test table and the corresponding place of opening slot are slidably installed with drawer, the push rod end of the second electric cylinder is fixedly connected with mounting plate, the mounting plate is detachably connected with rubber scraping strip, the rubber scraping strip and opening slot are located at the two sides of cover respectively.
[0008] As a further scheme of the utility model: the outer wall between the guide rod and the cover shell is equipped with a spring.
[0009] As a further scheme of the utility model: the top surface of the test table is below the pressing plate and is provided with four scale bars in a circumferential distribution.
[0010] As a further scheme of the utility model: the front wall of the drawer is fixedly installed with a handle, both sides of the drawer are fixedly connected with a slide strip, the bottom of the test table is fixedly connected with an L-shaped supporting rod at the corresponding position of the slide strip, and the slide strip is located in the corresponding L-shaped supporting rod.
[0011] As a further scheme of the utility model: the outer side of the mounting plate is provided with a clamping plate, the rubber scraping strip is located between the mounting plate and the clamping plate, a plurality of bolts are jointly arranged on the rubber scraping strip and the clamping plate, and a threaded hole matched with the bolt is formed in the outer wall of the mounting plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] In the process of pressing the core sample, the cover shell can shield the core sample in all directions, so that the fragments of the broken core sample are effectively prevented from flying out of the cover shell, after the test is completed, the first electric cylinder is started to reset the top beam and the like, the large core sample fragments can be taken away, then the second electric cylinder is started to drive the rubber scraping strip to move, the residual debris on the test table can be pushed into the opening groove, the table top is cleaned and the debris is collected by the drawer, so that the next test is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a structural schematic view of a highway roadbed strength detection device.
[0015] Fig. 2 It is a structural schematic view of an opening groove in a highway roadbed strength detection device.
[0016] Fig. 3 It is a structural schematic view of a bolt in a highway roadbed strength detection device.
[0017] Among them, the test table 1, the supporting leg 2, the first electric cylinder 3, the top beam 4, the guide rod 5, the connecting seat 6, the force sensor 7, the pressing plate 8, the cover shell 9, the spring 10, the scale bar 11, the opening groove 12, the drawer 13, the slide strip 14, the handle 15, the L-shaped supporting rod 16, the mounting plate 17, the rubber scraping strip 18, the clamping plate 19, the second electric cylinder 20, the bolt 21, and the threaded hole 22. DETAILED DESCRIPTION
[0018] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.
[0019] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0020] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0021] In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.
[0022] Please refer to Figs. 1-3 In the utility model embodiment, a highway roadbed strength detection device, including test table 1, the bottom of test table 1 is fixedly installed with multiple supporting legs 2, the top of test table 1 is fixedly connected with two first electric cylinders 3, the push rod end of two first electric cylinders 3 is commonly fixedly connected with top beam 4, the bottom of top beam 4 is fixedly connected with multiple guide rods 5, the bottom end of multiple guide rods 5 is commonly fixedly connected with connecting seat 6, the bottom of connecting seat 6 is fixedly connected with pressing plate 8 through force sensor 7, the outer side of multiple guide rods 5 is commonly sleeved with cover 9, the top of test table 1 is provided with opening groove 12, the top of test table 1 is fixedly installed with second electric cylinder 20, the bottom of test table 1 and the corresponding place of opening groove 12 are slidably installed with drawer 13, the push rod end of second electric cylinder 20 is fixedly connected with mounting plate 17, mounting plate 17 is detachably connected with rubber scraping strip 18, the bottom of rubber scraping strip 18 is attached to the top surface of test table 1, rubber scraping strip 18 and opening groove 12 are located at the two sides of cover 9 respectively.
[0023] The utility model discloses a through adopt above -mentioned scheme, when using, the core sample is placed on the test platform 1 to make the core sample be just below the pressing plate 8, and start two first electric cylinders 3 drive roof beam 4 to drop, can drive the cover 9 and pressing plate 8 to move down, when the cover 9 covers the core sample, and the bottom of cover 9 and the top surface of test platform 1 contact, roof beam 4 continues to drop, then the pressing plate 8 will contact with the top of core sample, to start to carry out pressure test, in the testing process, the cover 9 can shield the core sample all -round, to effectively avoid the fragment of core sample collapse and fly to the outside of cover 9, after completing the test, start first electric cylinder 3 reset roof beam 4 etc., can take away the big core sample block, then start second electric cylinder 20 and push rubber scraping strip 18 to move, can push the residual debris on test platform 1 into the opening groove 12, to clean the table top and utilize drawer 13 to collect the debris, to facilitate the next test.
[0024] In particular Fig. 1 In an embodiment of the utility model, the outer wall between the roof beam 4 and the cover 9 is sleeved with the spring 10, so as to exert a downward thrust on the cover 9, avoiding the cover 9 from being stuck on the guide rod 5 and failing to fall back.
[0025] In particular Fig. 1 In an embodiment of the utility model, the top surface of the test platform 1 is circumferentially provided with four scale bars 11 just below the pressing plate 8, so as to facilitate the positioning and placement of the core sample, enabling the core sample to be accurately aligned with the pressing plate 8 in the vertical direction.
[0026] In particular Fig. 1 And Fig. 2 In an embodiment of the utility model, the front wall of the drawer 13 is fixedly provided with the handle 15, and the two sides of the drawer 13 are fixedly connected with the slide strip 14; the bottom of the test platform 1 is fixedly connected with the L-shaped supporting rod 16 corresponding to the slide strip 14; and the slide strip 14 is located in the corresponding L-shaped supporting rod 16.
[0027] The handle 15 facilitates the pulling and pushing operation of the drawer 13, and the cooperation between the slide strip 14 and the L-shaped supporting rod 16 ensures the stability of the drawer 13 sliding on the bottom of the test platform 1.
[0028] In particular Figs. 1-3In an embodiment of the present application, the length dimension of the rubber scraping strip 18 and the open slot 12 on the front view projection of the device is greater than the length dimension of the cover 9, so as to ensure that the working range of the rubber scraping strip 18 can effectively cover the shielding area of the cover 9. The outer side of the mounting plate 17 is provided with a clamping plate 19, the rubber scraping strip 18 is located between the mounting plate 17 and the clamping plate 19, a plurality of bolts 21 are arranged on the rubber scraping strip 18 and the clamping plate 19, and a threaded hole 22 matched with the bolt 21 is formed in the outer wall of the mounting plate 17. Through the cooperation of the bolt 21 and the threaded hole 22, the rubber scraping strip 18 can be conveniently disassembled and assembled on the mounting plate 17. In addition, the mounting plate 17 is arc-shaped, so that the debris is converged to the middle part of the rubber scraping strip 18 when the debris is scraped on the surface of the hanging and sweeping test table 1, and the debris is prevented from being separated from the movable path of the rubber scraping strip 18 from both ends of the rubber scraping strip 18.
[0029] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or equivalently replace part of the technical features, and any modification, equivalent replacement or improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for detecting the strength of a highway embankment, characterized by: Including test platform (1), the bottom of test platform (1) is fixedly installed with multiple supporting legs (2), the top of test platform (1) is fixedly connected with two first electric cylinders (3), the push rod end of two first electric cylinders (3) is commonly fixedly connected with top beam (4), the bottom of top beam (4) is fixedly connected with multiple guide rods (5), the bottom end of multiple guide rods (5) is commonly fixedly connected with connecting seat (6), the bottom of connecting seat (6) is fixedly connected with pressing plate (8) through force sensor (7), the outer side of multiple guide rods (5) is commonly sleeved with cover shell (9), the top of test platform (1) is provided with opening slot (12), the top of test platform (1) is fixedly installed with second electric cylinder (20), the bottom of test platform (1) is slidably installed with drawer (13) at the corresponding place of opening slot (12), the push rod end of second electric cylinder (20) is fixedly connected with mounting plate (17), mounting plate (17) is detachably connected with rubber scraping strip (18), rubber scraping strip (18) and opening slot (12) are located at the two sides of cover shell (9) respectively.
2. The highway roadbed strength detection device according to claim 1, characterized in that: The outer wall between top beam (4) and cover shell (9) of guide rod (5) is sleeved with spring (10).
3. The highway roadbed strength detection device according to claim 1, characterized in that: The top surface of test platform (1) is circumferentially arranged with four scale bars (11) directly below pressing plate (8).
4. The highway roadbed strength detection device according to claim 1, characterized in that: The front wall of drawer (13) is fixedly installed with handle (15), both sides of drawer (13) are fixedly connected with slide bar (14), the bottom of test platform (1) is fixedly connected with L-shaped supporting rod (16) at the corresponding place of slide bar (14), and slide bar (14) is located in the corresponding L-shaped supporting rod (16).
5. The highway roadbed strength detection device according to claim 1, characterized in that: The outer side of mounting plate (17) is provided with clamping plate (19), rubber scraping strip (18) is located between mounting plate (17) and clamping plate (19), multiple bolts (21) are commonly provided on rubber scraping strip (18) and clamping plate (19), and the outer wall of mounting plate (17) is provided with screw hole (22) matched with bolt (21). The outer side of mounting plate (17) is provided with clamping plate (19), rubber scraping strip (18) is located between mounting plate (17) and clamping plate (19), multiple bolts (21) are commonly provided on rubber scraping strip (18) and clamping plate (19), and the outer wall of mounting plate (17) is provided with screw hole (22) matched with bolt (21).
Citation Information
Patent Citations
Roadbed strength detection device
CN219417056U