Detection device for highway roadbed

By designing adjustment and sampling mechanisms, the problem of inconvenient sample cleaning in existing devices has been solved, enabling easy disassembly and cleaning of the sampling tube and improving detection efficiency.

CN223766802UActive Publication Date: 2026-01-06HENAN PROVINCIAL HIGH GRADE HIGHWAY CONSTR SUPERVISION DEPT
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Patent Information

Application Number
CN202423117500.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-06
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing highway subgrade testing equipment has difficulty effectively removing sample debris from the sample container after sampling, and the cleaning process is cumbersome.

Method used

A detection device including an adjustment mechanism and a sampling mechanism was designed. The sampling cylinder is disassembled by the cooperation of a screw and a screw sleeve driven by a motor. The design of a rotating ring and a squeezing block facilitates the separation and cleaning of the sampling cylinder.

Benefits of technology

It enables easy disassembly and cleaning of the sampling tube, improves sample cleaning efficiency, avoids sample debris residue, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a detection device for expressway subgrade, the sampling mechanism also includes the mounting sleeve, the one end of the outer wall of mounting sleeve passes through and is connected with a locating pin, the bottom surface edge of mounting sleeve is rotatingly connected with a rotating ring, one end of the side edge of the rotating ring extends outward and is provided with a locating hole, and the locating pin passes through the locating hole. The inner wall of the positioning hole is in threaded connection with the positioning pin, extrusion blocks are slidably connected to the periphery of the inner side of the rotating ring, springs are fixedly connected to one ends of the extrusion blocks, the other ends of the springs are fixedly connected with the inner side of the rotating ring, and abutting blocks are fixedly mounted on the periphery of the inner wall of the mounting sleeve. The side edge of the abutting block is fixedly connected with an arc-shaped plate, the outer wall of the abutting block abuts against the rotating ring, the arc-shaped plate is located on the inclined face side and abuts against the extrusion block, the interior of the split sampling barrel can be exposed in the external environment, and therefore sample disintegrating slag in the sampling barrel can be conveniently cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to highway roadbed detection technical field, concretely relates to a detection device for highway roadbed. BACKGROUND

[0002] Highway roadbed is the foundation of supporting pavement structure, and bears the action of vehicle load together with pavement, it bears the weight of vehicle, and transmits these pressures evenly to the soil underground, at the same time, the roadbed also needs to bear the erosion and influence of climate change and various natural disasters, the stability of roadbed is directly related to the safety and service life of highway, if the roadbed has problems, such as settlement, deformation or damage, it will directly affect the flatness of pavement and driving safety.

[0003] Chinese patent discloses a kind of highway roadbed detection device (publication number: CN215065343U), the device is sampled by motor driving sampling cylinder, after sampling, by manually pulling pull block, insert block is pulled out from recess, in sliding wave plate, wave plate moves and drives metal block and moving plate to move downward, moving plate moves downward will drive sleeve to move down, in the roadbed sample in the sleeve is taken out, but the device still has the following problems:

[0004] The above-mentioned device is provided with a sleeve that can move up and down in the inside of sampling cylinder, although the sleeve can facilitate the removal of roadbed samples to some extent after moving down, avoiding the damage of equipment caused by directly knocking the sampling cylinder, but if the roadbed samples are high in density and tightly packed, it is still difficult to remove the samples in the sample container by knocking, and even if the samples can be separated from the sample container, there may still be sample debris in the sample container, and the cleaning of sample debris is more troublesome. UTILITY MODEL CONTENTS

[0005] The technical problems to be solved by the utility model are as follows: it is still difficult to remove the samples in the sample container by knocking, there may still be sample debris in the container, and the cleaning of sample debris is more troublesome.

[0006] The purpose of the utility model can be achieved by the following technical solutions:

[0007] A detection device for highway roadbed, comprising an adjusting mechanism, a sampling mechanism is arranged in the middle of the adjusting mechanism, the adjusting mechanism comprises motor one and motor two;

[0008] Further comprising:

[0009] The sampling mechanism further comprises a mounting sleeve, one end of the outer wall of the mounting sleeve is penetrated and connected with a positioning pin, the bottom edge of the mounting sleeve is rotationally connected with a rotating ring, one end of the side edge of the rotating ring extends outward and is provided with a positioning hole, and the inner wall of the positioning hole is threadedly connected with the positioning pin;

[0010] Among them, the inner side of the rotating ring is slidably connected with an extrusion block around, one end of the extrusion block is fixedly connected with a spring, the other end of the spring is fixedly connected with the inner side of the rotating ring, and the end of the extrusion block away from the spring is provided in an arc shape;

[0011] Among them, the inner wall of the mounting sleeve is fixedly provided with a resisting block around, the side edge of the resisting block is fixedly connected with an arc-shaped plate, the two ends of each arc-shaped plate are respectively provided as symmetrical inclined surfaces, the outer wall of the resisting block abuts against the rotating ring, and the arc-shaped plate on the side of the inclined surface abuts against the extrusion block.

[0012] As a further scheme of the utility model, the sampling mechanism further comprises two sampling barrels, the outer wall of each sampling barrel is symmetrically provided with an extrusion groove, and the inner wall of each extrusion groove is respectively inserted with an extrusion block.

[0013] As a further scheme of the utility model, the adjusting mechanism comprises a supporting frame, the upper end of the supporting frame is symmetrically provided with a guide rail, the two sides of the supporting frame are provided with lifting rails, the side edge of the supporting frame is fixedly installed with a motor, the output shaft of the motor is fixedly connected with a screw rod, the other end of the screw rod is rotationally connected with the supporting frame, the outer wall of the screw rod is provided with threads on both sides, and the threads on the two sides of the outer wall of the screw rod are oppositely directed.

[0014] As a further scheme of the utility model, the outer wall of the screw rod is threadedly provided with a screw sleeve on both sides, the bottom of each screw sleeve is rotationally connected with a connecting rod, the bottoms of the two connecting rods are rotationally connected with a lifting plate, and the two sides of the lifting plate are respectively slidably connected along the lifting rails.

[0015] As a further scheme of the utility model, the bottom surface of the lifting plate is fixedly installed with a connecting frame in the middle, the inner side of the connecting frame is fixedly installed with a motor in the middle, the output shaft of the motor penetrates downward through the connecting frame, the output shaft of the motor is fixedly connected with a mounting sleeve, and the top surface of the mounting sleeve is rotationally connected with the connecting frame.

[0016] As a further scheme of the utility model, the bottom of the supporting frame is fixedly installed with a bottom plate, the surface of the bottom plate and below the mounting sleeve is provided with a sampling hole, the side edge of the supporting frame is fixedly installed with a hoop, and the inside of the hoop is movably installed with a sand filling barrel.

[0017] As a further scheme of the utility model: the bottom surface of the bottom plate is rotatably connected with brake wheels around, and a push rod is fixedly installed on one side of the top surface of the bottom plate.

[0018] The utility model discloses beneficial effect:

[0019] The utility model discloses a sampling mechanism is collected to the roadbed sample to the sampling mechanism inside sampling cylinder, and sampling cylinder is composed together by two parts, after sampling cylinder separates from the installation cover, and the sampling cylinder can be easily separated to the force of two sides, so that the inside roadbed sample is conveniently cleaned, in addition, the inside sampling cylinder can be exposed to the outside environment after separation, so that the sample slag in the inside sampling cylinder is conveniently cleaned.

[0020] When separating the sampling cylinder and the installation cover, the positioning pin is unscrewed and pulled out, then the rotating ring is slightly rotated to release the locking of the sampling cylinder, further facilitating the cleaning work of the sample for the operator. DRAWINGS

[0021] The utility model will be further described below in combination with the drawings.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the bottom structure schematic diagram of the sampling mechanism in the utility model;

[0024] Figure 3 It is the inside structure schematic diagram of the rotating ring in the utility model;

[0025] Figure 4 It is the bottom structure schematic diagram of the arc plate in the utility model;

[0026] Figure 5 It is the whole structure schematic diagram of the sampling cylinder in the utility model.

[0027] In the drawing: 1, adjusting mechanism;101, support frame;102, guide rail;103, motor one;104, screw;105, screw sleeve;106, connecting rod;107, lifting plate;108, lifting rail;109, connecting frame;110, motor two;111, bottom plate;112, brake wheel;113, push rod;114, hoop piece;115, sand filling cylinder;2, sampling mechanism;201, installation cover;202, positioning pin;203, rotating ring;204, positioning hole;205, extrusion block;206, spring;207, abutment;208, arc plate;209, sampling cylinder;210, extrusion groove. CONCRETE IMPLEMENTATION

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figures 1-5 As shown, a detection device for highway subgrade includes an adjustment mechanism 1, a sampling mechanism 2 disposed in the middle of the adjustment mechanism 1, and the adjustment mechanism 1 includes a motor 103 and a motor 110; it also includes: the sampling mechanism 2 further includes a mounting sleeve 201, one end of the outer wall of the mounting sleeve 201 is connected to a positioning pin 202, the bottom edge of the mounting sleeve 201 is rotatably connected to a rotating ring 203, one side end of the rotating ring 203 extends outward and has a positioning hole 204, the inner wall of the positioning hole 204 is threadedly connected to the positioning pin 202; wherein, the inner side of the rotating ring 203... A pressing block 205 is slidably connected to all four sides of the mounting sleeve 201. A spring 206 is fixedly connected to one end of each pressing block 205, and the other end of the spring 206 is fixedly connected to the inner side of the rotating ring 203. The end of the pressing block 205 furthest from the spring 206 is arc-shaped. Abutment blocks 207 are fixedly installed on all four sides of the inner wall of the mounting sleeve 201. Arc-shaped plates 208 are fixedly connected to the sides of each abutment block 207. The two ends of each arc-shaped plate 208 are symmetrically inclined. The outer wall of the abutment block 207 abuts against the rotating ring 203, and the arc-shaped plates 208 abut against the pressing block 205 on their inclined sides. Figure 2 As shown, when the rotating ring 203 rotates in any direction, the arc-shaped end of the extrusion block 205 will abut against the inclined end of the arc plate 208, so that the extrusion block 205 receives a pushing force to the outside of the rotating ring 203, and then the extrusion block 205 retracts into the interior of the rotating ring 203.

[0030] The sampling mechanism 2 also includes two sampling cylinders 209. Each sampling cylinder 209 has a symmetrically formed extrusion groove 210 on its outer wall. Both sampling cylinders 209 are inserted into the mounting sleeve 201, and the inner wall of each extrusion groove 210 is respectively inserted into an extrusion block 205. Figure 5 As shown, the top surfaces of both sampling cylinders 209 are provided with upward-protruding insertion shafts. When the sampling cylinder 209 is inserted into the mounting sleeve 201, the insertion shaft is also inserted into the inner wall of the mounting sleeve 201 for positioning, thereby preventing the sampling cylinder 209 from rotating inside the mounting sleeve 201.

[0031] The adjusting mechanism 1 comprises a support frame 101, the upper end of the support frame 101 is symmetrically provided with a guide rail 102, both sides of the support frame 101 are provided with lifting rails 108, the side edges of the support frame 101 are fixedly installed with a motor one 103, the output shaft of the motor one 103 is fixedly connected with a screw rod 104, the other end of the screw rod 104 is rotationally connected with the support frame 101, the outer wall of the screw rod 104 is provided with threads on both sides, and the threads on both sides of the outer wall of the screw rod 104 are opposite, the outer wall of the screw rod 104 is threadedly provided with a sleeve 105 on both sides, the bottom of each sleeve 105 is rotationally connected with a connecting rod 106, the bottoms of the two connecting rods 106 are rotationally connected with a lifting plate 107, the two sides of the lifting plate 107 are slidingly connected along the lifting rails 108, as shown in Figure 1 The lifting rails 108 limit the movement direction of the lifting plate 107.

[0032] The bottom surface of the lifting plate 107 is fixedly installed with a connecting frame 109, the inner side of the connecting frame 109 is fixedly installed with a motor two 110, the output shaft of the motor two 110 penetrates downward through the connecting frame 109, and the output shaft of the motor two 110 is fixedly connected with a mounting sleeve 201, the top surface of the mounting sleeve 201 is rotationally connected with the connecting frame 109, the bottom of the support frame 101 is fixedly installed with a bottom plate 111, the surface of the bottom plate 111 and below the mounting sleeve 201 is provided with a sampling hole, the side edge of the support frame 101 is fixedly installed with a hoop 114, the inside of the hoop 114 is movably installed with a sand filling cylinder 115, the bottom surface of the bottom plate 111 is rotationally connected with a brake wheel 112 around, one side of the top surface of the bottom plate 111 is fixedly installed with a push rod 113, as shown in Figure 1 The side edge of the brake wheel 112 is provided with a brake pad, and the brake pad can abut against the hub structure in the brake wheel 112, so that the brake wheel 112 cannot rotate.

[0033] The working principle of the utility model is as follows:

[0034] When the device is used, the push rod 113 is pushed and cooperates with the brake wheel 112 to move the sampling mechanism 2 to the detection point, then the brake pad in the brake wheel 112 is pressed and fixed, so that the whole device cannot move;

[0035] Then the motor one 103 is started to drive the screw rod 104 to rotate, the threads on both sides of the surface of the screw rod 104 push the sleeve 105 to move inward, then the connecting rod 106 rotates and pushes the lifting plate 107 downward, and drives the sampling cylinder 209 in the sampling mechanism 2 to penetrate through the sampling hole and contact the ground, the motor two 110 is started to drive the sampling cylinder 209 below to rotate, so that the roadbed sample can be conveniently collected;

[0036] After sampling is completed, the sampling cylinder 209 is lifted and reset. At this time, the positioning pin 202 is loosened and pulled out from the positioning hole 204. Then, the rotating ring 203 is rotated, and the arc-shaped end of the squeezing block 205 is squeezed by the inclined end of the abutment block 207, thereby squeezing the squeezing block 205 compressing the spring 206 and retracting into the rotating ring 203. At this time, the squeezing block 205 separates from the squeezing groove 210. The operator can take it out by holding the lower end of the column sampling cylinder 209 and pulling it down. Then, the sampling cylinder 209 is separated to both sides. After the roadbed sample is taken out, the inside of the sampling cylinder 209 is cleaned. Finally, the sand filling cylinder 115 is taken out from the hoop 114 and transferred to the sampling point for roadbed testing using the pit-filling sand method.

[0037] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A detection device for highway subgrade, comprising an adjusting mechanism (1), the middle part of the adjusting mechanism (1) is provided with a sampling mechanism (2), the adjusting mechanism (1) comprises a motor one (103) and a motor two (110); characterized in that Further comprising: The sampling mechanism (2) further comprises a mounting sleeve (201), one end of the outer wall of the mounting sleeve (201) is connected with a positioning pin (202) penetratingly, the bottom edge of the mounting sleeve (201) is rotatably connected with a rotating ring (203), one end of the side edge of the rotating ring (203) extends outward and is provided with a positioning hole (204), the inner wall of the positioning hole (204) is threadedly connected with the positioning pin (202); Wherein, the inner side of the rotating ring (203) is slidably connected with an extrusion block (205) around, one end of the extrusion block (205) is fixedly connected with a spring (206), the other end of the spring (206) is fixedly connected with the inner side of the rotating ring (203), one end of the extrusion block (205) away from the spring (206) is provided in an arc shape; Wherein, the inner wall of the mounting sleeve (201) is fixedly installed with a resisting block (207) around, the side edge of the resisting block (207) is fixedly connected with an arc-shaped plate (208), the two ends of each arc-shaped plate (208) are respectively provided as symmetrical inclined surfaces, the outer wall of the resisting block (207) abuts against the rotating ring (203), and the arc-shaped plate (208) abuts against the extrusion block (205) on the side of the inclined surface.

2. The detection device for highway embankment according to claim 1, characterized in that, The sampling mechanism (2) further comprises a sampling cylinder (209), the sampling cylinder (209) is provided with two, and the outer wall of the sampling cylinder (209) is symmetrically provided with an extrusion groove (210), the two sampling cylinders (209) are jointly inserted into the mounting sleeve (201), and the inner wall of each extrusion groove (210) is respectively inserted with the extrusion block (205).

3. The detection device for highway embankment according to claim 1, characterized in that, The adjusting mechanism (1) comprises a support frame (101), the upper end of the support frame (101) is symmetrically provided with a guide rail (102), the two sides of the support frame (101) are provided with lifting rails (108), the side edge of the support frame (101) is fixedly installed with the motor one (103), the output shaft of the motor one (103) is fixedly connected with a screw rod (104), the other end of the screw rod (104) is rotatably connected with the support frame (101), the outer wall of the screw rod (104) is provided with threads on both sides, and the threads on the outer wall of the screw rod (104) are oppositely directed.

4. The detection device for highway embankment according to claim 3, characterized in that, The outer wall of the screw rod (104) is threadedly provided with a screw sleeve (105) on both sides, the bottom of each screw sleeve (105) is rotatably connected with a connecting rod (106), the bottoms of the two connecting rods (106) are rotatably connected with a lifting plate (107), and the two sides of the lifting plate (107) are slidably connected along the lifting rails (108).

5. The detection device for highway embankment according to claim 4, characterized in that, The bottom surface middle part of the lifting plate (107) is fixedly provided with a connecting frame (109), the inner middle part of the connecting frame (109) is fixedly provided with a motor two (110), the output shaft of the motor two (110) penetrates the connecting frame (109) downward, and the output shaft of the motor two (110) is fixedly connected with a mounting sleeve (201), and the top surface of the mounting sleeve (201) is rotationally connected with the connecting frame (109).

6. The detection device for highway embankment according to claim 5, characterized in that, The bottom of the supporting frame (101) is fixedly provided with a bottom plate (111), a sampling hole is formed in the surface of the bottom plate (111) and below the mounting sleeve (201), the side of the supporting frame (101) is fixedly provided with a hoop (114), and the inner part of the hoop (114) is movably provided with a sand pouring cylinder (115).

7. The detection device for highway embankment according to claim 6, characterized in that, The bottom surface of the bottom plate (111) is rotationally connected with brake wheels (112) around, and the top surface of the bottom plate (111) is fixedly provided with a push rod (113) on one side.

Citation Information

Patent Citations

  • Expressway roadbed detection device

    CN215065343U