Roadbed compactness detection device
By combining a lifting screw, lifting plate, flat gear, gear ring and fixing bolts, the problem of inconvenient fixing of the roadbed compaction testing device is solved, realizing a convenient and stable sampling process, reducing dust splashing and improving the practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
The existing method of fixing the roadbed compaction testing device is cumbersome, making it inconvenient to fix the device.
The system employs a combination structure of lifting screw, lifting plate, flat gear, gear ring, and fixing bolts. By rotating the lifting screw, the flat gear and gear ring are driven to rotate and press down the multiple fixing bolts synchronously, thus fixing multiple bolts at the same time. Combined with the adjustment plate and scale plate, the sampling depth is adjusted to optimize the sampling process.
It improves the ease of fixing and stability of the device, reduces dust splashing during sampling, and enhances the practicality and stability of the device.
Smart Images

Figure CN224106389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to roadbed detection equipment technical field, concretely is a kind of roadbed compactness detection device. BACKGROUND
[0002] Roadbed compactness is the quality control index of filling engineering, first take the soil sample before compaction and send laboratory to determine the dry density when its optimum moisture content, this is the maximum dry density of sample, then take the actual dry density of sample after compaction, and the actual dry density divided by maximum dry density is the actual compactness of soil. With this number and the compactness specified in standard, it can be known whether the compaction degree of soil reaches the standard. And the soil sample needs to be taken out using roadbed compactness detection device for sampling.
[0003] Roadbed compactness detection device sampling needs to be fixed on sampling point when using, the existing mode is to separate multiple screws into sampling point, to fix roadbed compactness detection device, and it is more cumbersome to separate multiple screws into sampling point, so that the device is inconvenient to fix;Therefore, a kind of roadbed compactness detection device is proposed for the above problems. UTILITY MODEL CONTENTS
[0004] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.
[0005] The utility model solves the technical scheme that it adopts: a kind of roadbed compactness detection device described in the utility model, including support frame, the support frame outside rotationally connected with universal wheel, the support frame inside screw connection has spiral sampling rod, the support frame inside screw connection has lifting screw rod, the lifting screw rod outside rotationally connected with lifting plate, the lifting plate outside rotationally connected with flat gear, one side the flat gear and lifting screw rod are fixedly connected, the lifting plate outside rotationally connected with gear ring, the gear ring and flat gear are engaged, the flat gear outside fixedly connected with fixed bolt, this step is by setting lifting screw rod, lifting plate, flat gear, gear ring and fixed bolt, when device moves, after being suitable position, can be rotated lifting screw rod, by lifting screw rod drive one side flat gear rotation, by one side flat gear drive gear ring rotation, by gear ring drive remaining flat gear rotation, so that multiple fixed bolts can be rotated synchronously, and by the rotationally connected of lifting screw rod and lifting plate, lifting plate is pushed by lifting screw rod and presses down, so as to be moved by fixed bolt by lifting plate, so that multiple fixed bolts can be rotated while moving, to realize that multiple fixed bolts are entered sampling point nearby and are fixed by once screwing, improve the convenience and stability of device fixation.
[0006] Preferably, the outer side of the spiral sampling rod is connected with an adjusting plate, the outer side of the supporting frame is fixedly connected with a scale plate, and the adjusting plate and the scale plate are used in cooperation, the adjusting plate is arranged, the adjusting plate is adjusted and moved on the outer side of the spiral sampling rod, the descending range of the spiral sampling rod can be adjusted and limited through the contact between the adjusting plate and the supporting frame, the sampling depth of the spiral sampling rod can be adjusted in cooperation with the scale plate, and the convenience of sampling of the device is improved.
[0007] Preferably, the outer side of the lifting plate is slidably connected with a movable plate, and the outer side of the movable plate is fixedly connected with a baffle, the movable plate and the baffle are arranged, when the lifting plate is pressed down, the movable plate and the baffle also move downwards under the influence of gravity until the baffle contacts the ground, so that the baffle shields the sampling point, the splashed soil during sampling can be blocked, dust generated during sampling is greatly reduced, the influence of dust on workers is reduced, and the practicability of the device is improved.
[0008] Preferably, the outer side of the baffle is fixedly connected with a guide rod, the surface of the supporting frame is provided with a guide groove, and the guide rod and the guide groove are slidably connected, the guide rod and the guide groove are arranged, the guide rod is inserted into the inner side of the guide groove, so that the movement track of the baffle is conveniently limited, the baffle can be limited in a fixed position, and the stability of the device is improved.
[0009] Preferably, the outer side of the guide rod is fixedly connected with a limiting plate, and the limiting plate and the supporting frame are slidably connected, the limiting plate is arranged, the movement range of the guide rod is limited, the movement range of the baffle is further limited, and the stability of the device is further improved.
[0010] Preferably, the outer side of the spiral sampling rod is fixedly connected with a rotating disc, and the outer side of the lifting screw rod is fixedly connected with a screw block, the rotating disc and the screw block are arranged, the spiral sampling rod and the lifting screw rod are conveniently rotated through the rotating disc and the screw block, and the convenience of use of the device is improved.
[0011] The device has the advantages that:
[0012] 1. The utility model discloses a lifting screw, lifting plate, spur gear, gear ring and fixed bolt are set up, when the device moves, can through rotating the lifting screw, through the one side spur gear rotation of lifting screw drive, through the one side spur gear drive gear ring rotation, through the rotation of gear ring drive remaining spur gear, make multiple fixed bolts can rotate synchronously, and through the rotating connection of lifting screw and lifting plate, make the lifting plate be pushed down by lifting screw, thereby through the lifting plate push fixed bolt moves, make multiple fixed bolts can move and rotate simultaneously, thereby realize once twist multiple fixed bolts and enter the sampling point nearby and fix, improved the convenience and stability of device fixed,
[0013] 2. The utility model discloses through setting up the adjusting plate, through the adjusting movement of adjusting plate outside the spiral sampling rod, make in the downshift range of spiral sampling rod can through the adjusting plate and support frame contact and adjust limit, thereby cooperation scale board can adjust the sampling depth of spiral sampling rod, improved the convenience of device sampling. ACCURACY OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0015] Figure 1 It is the structure front view in the utility model;
[0016] Figure 2 It is the structure bottom view in the utility model;
[0017] Figure 3 It is the lifting screw structure schematic view in the utility model;
[0018] Figure 4 It is the baffle structure schematic view in the utility model;
[0019] Figure 5 It is the lifting plate structure schematic view in the utility model.
[0020] In the drawing: 1, support frame;2, universal wheel;3, spiral sampling rod;4, lifting screw;5, lifting plate;6, spur gear;7, gear ring;8, fixed bolt;9, adjusting plate;10, scale board;11, movable plate;12, baffle;13, guide rod;14, guide slot;15, limit plate;16, turntable;17, knob. DETAILED DESCRIPTION
[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] The specific embodiments are given below.
[0023] Please refer to Figures 1-5 As shown in the figure, a kind of roadbed compactness detection device, including support frame 1, the support frame 1 outer side is rotatably connected with universal wheel 2, the support frame 1 inner side is screw-connected with spiral sampling rod 3, the support frame 1 inner side is screw-connected with lifting screw 4, the lifting screw 4 outer side is rotatably connected with lifting plate 5, the lifting plate 5 outer side is rotatably connected with flat gear 6, one side the flat gear 6 and lifting screw 4 are fixedly connected, the lifting plate 5 outer side is rotatably connected with gear ring 7, the gear ring 7 and flat gear 6 are engaged, the flat gear 6 outer side is fixedly connected with fixed bolt 8, this step is by setting lifting screw 4, lifting plate 5, flat gear 6, gear ring 7 and fixed bolt 8, when device moves, after being suitable in position, can be rotated lifting screw 4, by lifting screw 4 drive one side flat gear 6 rotation, by one side flat gear 6 drive gear ring 7 rotation, by gear ring 7 drive remaining flat gear 6 rotation, so that multiple fixed bolt 8 can be rotated synchronously, and by the rotatable connection of lifting screw 4 and lifting plate 5, so that lifting plate 5 is pushed by lifting screw 4 and is pressed down, so as to be moved by fixed bolt 8 pushed by lifting plate 5, so that multiple fixed bolt 8 can be rotated while moving, so as to realize that multiple fixed bolt 8 is screwed into sampling point nearby and is fixed once, improve the convenience and stability of device fixation.
[0024] Further, as shown in the figure, Figure 1 The spiral sampling rod 3 outer side is screw-connected with adjusting plate 9, the support frame 1 outer side is fixedly connected with scale plate 10, the adjusting plate 9 and scale plate 10 are used in conjunction, this step is by setting adjusting plate 9, by adjusting plate 9 adjustment movement on the outer side of spiral sampling rod 3, so that the range of downward movement of spiral sampling rod 3 can be adjusted and limited by adjusting plate 9 and support frame 1 contact, so as to cooperate with scale plate 10 to adjust the sampling depth of spiral sampling rod 3, improve the convenience of device sampling.
[0025] Further, as shown in the figure, Figure 5As shown, the outer side of the lifting plate 5 is slidably connected with the movable plate 11, and the outer side of the movable plate 11 is fixedly connected with the baffle 12. By arranging the movable plate 11 and the baffle 12, when the lifting plate 5 is pressed down, the movable plate 11 and the baffle 12 also move downward under the influence of gravity until the baffle 12 contacts the ground, so that the baffle 12 shields the sampling point, and the splashed soil during sampling can be blocked, thereby greatly reducing the dust generated during sampling, reducing the influence of dust on the staff, and improving the practicality of the device.
[0026] Further, as shown in Figure 1 The outer side of the baffle 12 is fixedly connected with the guide rod 13, the surface of the support frame 1 is provided with a guide groove 14, and the guide rod 13 and the guide groove 14 are slidably connected. By arranging the guide rod 13 and the guide groove 14, the guide rod 13 is inserted into the inner side of the guide groove 14, so as to facilitate the limitation of the movement track of the baffle 12, so that the baffle 12 can be limited in a fixed position, and the stability of the device in operation is improved.
[0027] Further, as shown in Figure 1 The outer side of the guide rod 13 is fixedly connected with the limiting plate 15, and the limiting plate 15 and the support frame 1 are slidably connected. By arranging the limiting plate 15, the movement range of the guide rod 13 is limited, so as to further limit the movement range of the baffle 12, and the stability of the device in use is further improved.
[0028] Further, as shown in Figure 1 The outer side of the spiral sampling rod 3 is fixedly connected with the rotating disc 16, and the outer side of the lifting screw rod 4 is fixedly connected with the twisting block 17. By arranging the rotating disc 16 and the twisting block 17, the spiral sampling rod 3 and the lifting screw rod 4 are facilitated to rotate through the rotating disc 16 and the twisting block 17, and the convenience of the device in use is improved.
[0029] The working principle is that when the device is moved to a suitable position, first rotate the adjusting plate 9, adjust the moving range of the spiral sampling rod 3 by adjusting the movement of the adjusting plate 9 outside the spiral sampling rod 3, so that the moving range of the spiral sampling rod 3 can be adjusted and limited by the contact between the adjusting plate 9 and the support frame 1, so that the sampling depth of the spiral sampling rod 3 can be adjusted by cooperating with the scale plate 10, the lifting screw 4 can be rotated, the one-side spur gear 6 is driven to rotate by the lifting screw 4, the gear ring 7 is driven to rotate by the one-side spur gear 6, the remaining spur gears 6 are driven to rotate by the gear ring 7, so that the plurality of fixing bolts 8 can be synchronously rotated, and the lifting plate 5 is pushed down by the lifting screw 4 through the rotating connection of the lifting screw 4 and the lifting plate 5, so that the fixing bolt 8 is moved by the lifting plate 5, so that the plurality of fixing bolts 8 can be moved while rotating, so that the fixing bolt 8 is screwed into the inside of the sampling point, then the spiral sampling rod 3 is rotated, the spiral sampling rod 3 is screwed into the sampling point through the threaded connection between the spiral sampling rod 3 and the support frame 1, the adjusting plate 9 is moved by the spiral sampling rod 3, until the adjusting plate 9 is close to the support frame 1, then the spiral sampling rod 3 is reversed, the soil sample inside the spiral sampling rod 3 is taken out from the inside of the sampling point, then the fixing bolt 8 is screwed out of the sampling point, and the device can be moved.
[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0031] The basic principles, main features and advantages of the present application have been shown and described. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A device for detecting the degree of compaction of a roadbed, comprising a support frame (1), characterized in that: The support frame (1) is rotatably connected with universal wheels (2) outside, the support frame (1) is screw connected with spiral sampling rod (3) inside, the support frame (1) is screw connected with lifting screw rod (4) inside, the lifting screw rod (4) is rotatably connected with lifting plate (5) outside, the lifting plate (5) is rotatably connected with spur gear (6) outside, one side the spur gear (6) and lifting screw rod (4) fixedly connected, the lifting plate (5) is rotatably connected with gear ring (7) outside, the gear ring (7) and spur gear (6) are engaged, the spur gear (6) is fixedly connected with fixed bolt (8) outside.
2. The subgrade compactness detection device according to claim 1, characterized in that: The spiral sampling rod (3) is screw connected with the adjusting plate (9) outside, the support frame (1) is fixedly connected with the scale plate (10) outside, the adjusting plate (9) and scale plate (10) are used in cooperation.
3. The subgrade compactness detection device according to claim 2, characterized in that: The lifting plate (5) is slidably connected with the movable plate (11) outside, the movable plate (11) is fixedly connected with the baffle (12) outside.
4. The subgrade compactness detection device according to claim 3, characterized in that: The baffle (12) is fixedly connected with the guide rod (13) outside, the surface of the support frame (1) is provided with guide groove (14), the guide rod (13) and guide groove (14) are slidably connected.
5. The subgrade compactness detection device according to claim 4, characterized in that: The guide rod (13) is fixedly connected with the limiting plate (15) outside, the limiting plate (15) and support frame (1) are slidably connected.
6. The subgrade compactness detection device according to claim 5, characterized in that: The spiral sampling rod (3) is fixedly connected with the rotating disc (16) outside, the lifting screw rod (4) is fixedly connected with the knob (17) outside.