Base layer compactness detection device

Abstract

The utility model discloses a base layer compactness detection device, and particularly relates to the road detection field, the base layer compactness detection device comprises a base plate, the top end of the base plate supports a support, the top end of the support supports a top frame, the top end of the top frame is provided with a gradienter, the bottom of the gradienter is provided with a laser range finder, and the support is provided with a detection assembly. Supporting assemblies are installed at the four corners of the bottom plate, a through opening is formed in the middle of the bottom plate, screw holes are symmetrically formed in the outer side of the through opening, the supporting assemblies are installed in the screw holes, a positioning hole is formed in the middle of the top end of the support, a fixing hole is formed in one side of the positioning hole, and the top end of the detection assembly is connected and matched with the fixing hole. And the positioning hole and the through hole are coaxially arranged. According to the utility model, the compaction degree of the base layer is detected by directly observing the ground hitting depth instead of the traditional sand filling method, so that the compaction degree detection device is more convenient and quicker, sampling is not needed, and the damage degree to the ground base layer is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of highway detection, and more specifically, to a base layer compaction detection device. Background Art

[0002] During road construction, workers need to take samples to test the compaction of the foundation soil layer. The compaction of the foundation is an important criterion affecting the quality of the hardened road surface. The compaction of the foundation is related to the foundation settlement. The higher the compaction, the less the foundation settlement. Unqualified compaction is the primary cause of ground damage, poor application conditions, poor road capacity, and frequent road traffic accidents.

[0003] The utility model patent with patent publication number CN212363710U discloses a water-stable base compaction detection device, including a sampling mechanism, the sampling mechanism includes a vertically arranged outer sleeve, a partition is fixedly arranged horizontally inside the outer sleeve, a cylinder is fixedly arranged on the partition, the piston rod of the cylinder passes downward through the partition and is fixedly connected to a motor, the output shaft of the motor extends downward and is connected to an inner sleeve and a drill rod, wherein the inner sleeve is fixedly sleeved on the output shaft, the drill rod is coaxially arranged with the output shaft and is detachably connected, and the outer diameter of the drill rod is smaller than the inner diameter of the inner sleeve, and a cleaner is detachably connected inside the lower end of the inner sleeve, and the cleaner includes a semicircular plate body, a groove is provided on the plate body, and a scraper is integrally connected to the straight edge of the plate body, the scraper extends radially along the plate body and has a length less than the diameter of the plate body, and a plurality of digging teeth evenly distributed along the circumferential direction are integrally connected to the end wall of the lower end of the inner sleeve. The utility model can quickly and efficiently complete the sampling process, and the sample volume is stable and the reproducibility is strong.

[0004] However, when this structure is actually used, sampling is still required when detecting the compaction of the highway base, which reduces the detection efficiency and causes great damage to the highway base. Therefore, a base compaction detection device is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a base layer compaction detection device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a base compaction detection device, comprising a base plate, a bracket supported on the top of the base plate, a top frame supported on the top of the bracket, a spirit level installed on the top of the top frame, a laser rangefinder arranged at the bottom of the spirit level, a detection component installed on the bracket, and support components installed at the four corners of the base plate.

[0007] By placing the device on the base ground to be inspected, each supporting component is inserted into the base, and the insertion depth of each supporting component is adjusted with the level meter, so as to adjust the level of the entire detection device. After the entire detection device is fixed and the level adjustment is completed, the height from the ground is measured by a laser rangefinder. According to the height distance, the detection component is removed from the fixing hole, the overall weight of the detection component is adjusted, and then the top of the detection component is inserted into the positioning hole so that the detection component is perpendicular to the ground. Then the detection component is released to allow the detection component to fall freely and create a pit on the ground. The detection component is removed and the laser rangefinder directly measures the depth of the pit, thereby reflecting the compaction degree of the ground base. The operation is simple, convenient and more intuitive. No additional sampling is required, which reduces damage to the ground base.

[0008] Preferably, a through opening is opened in the middle of the bottom plate, screw holes are symmetrically opened on the outer side of the through opening, and a support component is installed in each of the screw holes.

[0009] Preferably, a positioning hole is provided in the middle of the top end of the bracket, a fixing hole is provided on one side of the positioning hole, and the top end of the detection component is connected and matched with the fixing hole.

[0010] Preferably, the positioning hole and the through opening are coaxially arranged, and the detection direction of the laser rangefinder coincides with the line connecting the axis of the positioning hole and the axis of the through opening.

[0011] Preferably, the detection assembly comprises a first screw rod, the first screw rod is rotationally matched with the fixing hole, and during detection, the first screw rod is slidingly matched with the positioning hole;

[0012] A detection head, which has a conical structure and is coaxially welded to the bottom end of the first screw;

[0013] A plurality of weight-bearing plates, each of which is sleeved on the first screw rod;

[0014] A locking button, wherein the locking button is sleeved on the first screw rod, and the locking button is used to press and fix the load-bearing plate sleeved on the first screw rod.

[0015] Preferably, the support assembly comprises a second screw rod, and the second screw rod is screwed into the corresponding screw hole;

[0016] A pointed head, the pointed head being arranged at the bottom end of the second screw;

[0017] A knob is arranged at the top end of the second screw rod.

[0018] Technical effects and advantages of the utility model:

[0019] 1. Compared with the prior art, the laser rangefinder, positioning holes, detection components and through-holes are used to detect the distance from the ground base layer. The weight is increased or decreased according to the distance height. During the detection, the detection head is free-falling and is not affected by the outside world, so that the detection head can smash a detection pit on the base layer. The pit depth can be directly detected by the laser rangefinder, so as to directly feedback the compaction degree of the base layer, thereby improving the detection efficiency and accuracy.

[0020] 2. Through the setting of the spirit level, the second screw, the pointed head and the knob, compared with the prior art, the pointed head at the bottom end of the second screw can be inserted into the inside of the ground base, thereby improving the overall fixity of the detection device during detection and avoiding looseness. The level of the entire detection device can be adjusted in conjunction with the spirit level without the assistance of additional instruments. The operation is simple and quick, which improves the practicality of the base compaction detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 The utility model is a schematic diagram of the coordinated structure of the through opening, the positioning hole and the laser rangefinder.

[0023] Figure 3 It is a structural schematic diagram of the detection component of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the support assembly of the utility model.

[0025] The accompanying drawings are marked as follows: 1. base plate; 2. bracket; 3. top frame; 4. laser rangefinder; 5. level; 6. detection assembly; 601. first screw; 602. detection head; 603. weight plate; 604. locking button; 7. support assembly; 701. second screw; 702. pointed head; 703. knob; 8. positioning hole; 9. fixing hole; 10. through opening. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] As attached Figure 1-4A base compaction detection device shown in the figure includes a base plate 1, the top of the base plate 1 is supported by a bracket 2, the top of the bracket 2 is supported by a top frame 3, the top of the top frame 3 is installed with a spirit level 5, the bottom of the spirit level 5 is provided with a laser rangefinder 4, a detection component 6 is installed on the bracket 2, and support components 7 are installed at the four corners of the base plate 1, a through opening 10 is opened in the middle of the base plate 1, screw holes are symmetrically opened on the outside of the through opening 10, and support components 7 are installed in each of the screw holes, a positioning hole 8 is opened in the middle of the top of the bracket 2, a fixing hole 9 is opened on one side of the positioning hole 8, the top of the detection component 6 is connected and cooperated with the fixing hole 9, the positioning hole 8 is coaxially arranged with the through opening 10, and the detection direction of the laser rangefinder 4 coincides with the line connecting the axis of the positioning hole 8 and the axis of the through opening 10.

[0028] During specific implementation, the device is placed on the base ground to be inspected, so that each support component 7 is inserted into the base, and the insertion depth of each support component 7 is adjusted in conjunction with the level meter 5, thereby adjusting the levelness of the entire detection device. After the entire detection device is fixed and the level adjustment is completed, the height from the ground is measured by the laser rangefinder 4, and the detection component 6 is removed from the fixing hole 9 according to the height distance, and the overall weight of the detection component 6 is adjusted. Then, the top of the detection component 6 is inserted into the positioning hole 8, so that the detection component 6 is perpendicular to the ground, and then the detection component 6 is released, so that the detection component 6 falls freely and creates a pit on the ground. The detection component 6 is removed, and the laser rangefinder 4 directly measures the depth of the pit, thereby reflecting the compaction degree of the ground base. The operation is simple, convenient, and more intuitive. No additional sampling is required, which reduces damage to the ground base.

[0029] As attached Figure 3 As shown, the detection assembly 6 includes a first screw rod 601, the first screw rod 601 is screwed together with the fixing hole 9, and during detection, the first screw rod 601 is slidably matched with the positioning hole 8;

[0030] A detection head 602, wherein the detection head 602 has a conical structure and is coaxially welded to the bottom end of the first screw 601;

[0031] A plurality of weight plates 603, each of which is sleeved on the first screw rod 601;

[0032] The locking button 604 is sleeved on the first screw rod 601 , and the locking button 604 is used to press and fix the load plate 603 sleeved on the first screw rod 601 .

[0033] During specific implementation, by unscrewing the locking button 604, the weight plate 603 can be removed from the first screw 601 or an additional weight plate 603 can be sleeved on the first screw 601, and then the locking button 604 is screwed on to press the weight plate 603, so as to prevent the weight plate 603 from loosening and affecting the test results when the base layer is tested, thereby improving the accuracy of the test.

[0034] As attached Figure 4 As shown, the support assembly 7 includes a second screw rod 701, and the second screw rod 701 is screwed into the corresponding screw hole;

[0035] A pointed head 702, wherein the pointed head 702 is disposed at the bottom end of the second screw rod 701;

[0036] The knob 703 is arranged at the top end of the second screw rod 701 .

[0037] In specific implementation, by rotating the knob 703, the pointed head 702 inserted into the ground can be inserted downward or moved upward under the rotation of the second screw 701. Therefore, when the detection device is adjusted horizontally, the tilt direction of the detection device can be understood by observing the situation of the level meter 5, so that targeted adjustments can be made.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A base layer compaction detection device, comprising a base plate (1), characterized in that: The top end of the bottom plate (1) is supported by a bracket (2), the top end of the bracket (2) is supported by a top frame (3), the top end of the top frame (3) is equipped with a level (5), the bottom of the level (5) is provided with a laser rangefinder (4), a detection component (6) is installed on the bracket (2), and support components (7) are installed at the four corners of the bottom plate (1).

2. A base layer compaction detection device according to claim 1, characterized in that: A through opening (10) is provided in the middle of the bottom plate (1), screw holes are symmetrically provided outside the through opening (10), and a support assembly (7) is installed in each of the screw holes.

3. A base layer compaction detection device according to claim 2, characterized in that: A positioning hole (8) is provided in the middle of the top end of the bracket (2), a fixing hole (9) is provided on one side of the positioning hole (8), and the top end of the detection component (6) is connected and matched with the fixing hole (9).

4. A base layer compaction detection device according to claim 3, characterized in that: The positioning hole (8) and the through opening (10) are coaxially arranged, and the detection direction of the laser rangefinder (4) coincides with a line connecting the axis of the positioning hole (8) and the axis of the through opening (10).

5. A base layer compaction detection device according to claim 4, characterized in that: The detection assembly (6) comprises a first screw rod (601), the first screw rod (601) being screwed together with the fixing hole (9), and during detection, the first screw rod (601) being slidingly engaged with the positioning hole (8); A detection head (602), the detection head (602) being of a conical structure, and the detection head (602) being coaxially welded to the bottom end of the first screw rod (601); A plurality of weight plates (603), each of the weight plates (603) being sleeved on the first screw rod (601); A locking button (604), the locking button (604) being sleeved on the first screw rod (601), the locking button (604) being used to press and fix the load plate (603) sleeved on the first screw rod (601).

6. A base layer compaction detection device according to claim 5, characterized in that: The support assembly (7) comprises a second screw rod (701), wherein the second screw rod (701) is screwed into a corresponding screw hole; A pointed head (702), wherein the pointed head (702) is arranged at the bottom end of the second screw rod (701); A knob (703) is disposed at the top end of the second screw rod (701).

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