Roadbed compactness detection device

Abstract

The utility model discloses a road subgrade compactness detection device, and belongs to the technical field of subgrade compactness detection.The road subgrade compactness detection device comprises a base, a fixing frame is installed at the top of the base, a driving motor is installed at the top of the fixing frame, a crank is fixedly installed at the output end of the driving motor, and the other end of the crank is rotationally connected with a connecting rod; the other end of the connecting rod penetrates through the top of the fixing frame and is rotationally connected with a hammering shaft, the hammering shaft is located in the fixing frame, a hammer head is arranged at the bottom of the hammering shaft, and a limiting mechanism is arranged in the fixing frame; when the device is used, the mounting effect of the cutting ring can be rapidly achieved, manual hammering by workers is not needed, the top of the cutting ring can be rapidly hammered through the design of a hammering plate, the stress area and uniformity are improved, the phenomenon of cutting ring deviation is reduced, the detection accuracy is effectively improved, and the detection efficiency is improved. The practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of subgrade compaction detection, and particularly relates to a road subgrade compaction detection device. BACKGROUND

[0002] With the acceleration of urbanization, the requirements for road construction and maintenance are higher and higher. Subgrade compaction is one of important indexes for guaranteeing road quality and service life. Traditional subgrade compaction detection methods mainly include a nuclear density gauge method, a penetration test method and a falling weight deflectometer method.

[0003] In use, the existing hammer deflectometer method often relies on manual hammering of a cutting ring, which may cause the cutting ring to deviate in the interior of the subgrade due to uneven stress, and may affect subsequent removal and detection. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the present application provides a road subgrade compaction detection device, which overcomes the deficiencies of the prior art and aims to solve the problem that the existing hammer deflectometer method in the prior art often relies on manual hammering of a cutting ring, which may cause the cutting ring to deviate in the interior of the subgrade due to uneven stress, and may affect subsequent removal and detection.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a road subgrade compaction detection device, comprising a base, a fixed frame is installed on the top of the base, a driving motor is installed on the top of the fixed frame, a crank is fixedly installed on the output end of the driving motor, a connecting rod is rotatably connected to the other end of the crank, a hammering shaft is rotatably connected to the other end of the connecting rod penetrating through the top of the fixed frame, the hammering shaft is located in the interior of the fixed frame, a hammer head is arranged at the bottom of the hammering shaft, a limiting mechanism is arranged in the interior of the fixed frame, the limiting mechanism comprises an upper limiting plate and a lower limiting plate, the hammer head and the hammering shaft are slidably connected in the interior of the limiting mechanism, two groups of mounting blocks are arranged at the bottom of the fixed frame, and a hammering plate is slidably connected in the interior of the two groups of mounting blocks.

[0006] By adopting the technical scheme, the fixed frame is arranged, in use, the rotation of the driving motor can drive the rotation of the crank, the hammer head can be continuously driven downward by the hammer shaft, the hammer head can rapidly hammer the hammering plate downward, the ring cutter placed in the installation block can be rapidly hammered downward into the road, the installation effect of the ring cutter can be rapidly achieved, manual hammering of the staff is not needed, the top of the ring cutter can be rapidly hammered by the design of the hammering plate, the force receiving area and uniformity are improved, the phenomenon of deviation of the ring cutter is reduced, the detection accuracy is effectively improved, and the practicability of the device is improved.

[0007] As a preferred technical scheme of the present application, the outer part of the hammer head is provided with a limiting ring one, the limiting ring one is located between the upper limiting plate and the lower limiting plate, the top and bottom of the limiting ring one are provided with limiting springs, the bottom end of the hammer shaft is slidingly connected to the inside of the limiting ring one, the part of the hammer shaft located in the inside of the hammer head is provided with a limiting ring two, the top and bottom of the limiting ring two are provided with springs, and the spring located at the top is fixedly connected with the top of the limiting ring one.

[0008] By adopting the technical scheme, the limiting springs are arranged, in use, the two groups of springs in the inside of the hammer head can be matched with each other, the hammer head can be quickly returned under the action of the limiting springs and the springs after being hammered downward, the hammer head can be more accurately hammered next time, the hammering effect can be further improved, and the stability during use can be improved.

[0009] As a preferred technical scheme of the present application, the top of the hammering plate is provided with sliding rods on both sides, the top of the two groups of sliding rods extends to the upper part through the lower limiting plate, and the outside of the two groups of sliding rods is provided with return springs.

[0010] By adopting the technical scheme, the sliding rods are arranged, in use, the sliding rods can ensure that the hammering plate moves downward more stably in the inside of the installation block, the phenomenon of deviation can be further reduced, the sliding rods can ensure that the hammering plate is quickly returned, and the practicability is further improved.

[0011] As a preferred technical scheme of the present application, the top of the fixed frame is provided with a sample box, the sample box is located opposite to the driving motor, and the inside of the sample box is provided with a plurality of drawers.

[0012] By adopting the technical scheme, the sample box is arranged, in use, the sample box can be more convenient for isolating and storing the road samples, and the practicability of the device is improved.

[0013] As a preferred technical solution of the present application, one side of the sample box is provided with a control panel, which is electrically connected with the driving motor.

[0014] By adopting the above technical scheme, by setting the control panel, the driving motor can be more conveniently controlled during use, and the practicability of the device is improved.

[0015] As a preferred technical solution of the present application, the bottom of the base is provided with four groups of universal wheels, and the four groups of universal wheels are located at the four corners of the bottom of the base.

[0016] By adopting the above technical scheme, by setting the universal wheels, the transfer device is more convenient and labor-saving during use, and the practicability is improved.

[0017] As a preferred technical solution of the present application, the two sides of the base are provided with fixing grooves, and the inside of the four groups of fixing grooves is provided with fixing plates, and the inside of the fixing plate is slidably connected with a fixing pin.

[0018] By adopting the above technical scheme, by setting the fixing groove, the fixing pin can further quickly fix the device during use to prevent deviation.

[0019] As a preferred technical solution of the present application, the size of the mounting groove matches the size of the hammering plate, and the crank, the connecting rod, the hammering shaft and the hammer head are made of high-strength steel material.

[0020] By adopting the above technical scheme, by setting the size of the mounting groove matching the size of the hammering plate, the stability of the hammering plate during up and down movement can be further ensured, and the setting of high-strength steel can further improve the service life and structural strength.

[0021] The beneficial effects of the present application are:

[0022] 1. By setting the fixing frame, the driving motor can drive the rotation of the crank during use, so that the hammer head can be continuously driven downward by the hammering shaft, and the hammer head can quickly hammer the hammering plate downward, so that the ring cutter placed in the mounting block can be quickly hammered downward into the inside of the road, which can quickly realize the installation effect of the ring cutter, and the staff does not need to manually hammer, and the design of the hammering plate can make the top of the ring cutter be quickly hammered, improve the area and uniformity of the force, reduce the phenomenon of ring cutter deviation, effectively improve the detection accuracy, and improve the practicability of the device.

[0023] 2. By setting the limiting spring, in use, can be matched with the internal two groups of spring hammer head, can make the hammer head after the downward hammering, can quickly return under the action of limiting spring and spring, can be more accurate to accept the next hammering, can further improve the effect of hammering, but also can improve the stability in use. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall structure schematic diagram of the present application;

[0025] Figure 2 It is the internal structure schematic diagram of the present application;

[0026] Figure 3 It is the internal structure schematic diagram of the hammer head of the present application;

[0027] Figure 4 It is the bottom structure schematic diagram of the present application.

[0028] In the figure: 1, base; 101, fixed groove; 102, fixed plate; 103, fixed pin; 104, universal wheel; 2, fixed frame; 201, mounting block; 202, mounting groove; 3, drive motor; 301, crank; 302, connecting rod; 303, hammering shaft; 304, hammer head; 305, limiting ring one; 306, limiting ring two; 307, spring one; 4, limiting mechanism; 401, upper limiting plate; 402, lower limiting plate; 403, limiting spring; 5, hammering plate; 501, sliding rod; 502, return spring; 6, sample box; 601, drawer; 7, control panel. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to 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 the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] REFERENCE Figures 1-4The utility model provides a kind of road subgrade compactness detection device, including base 1, the top of base 1 is equipped with fixed frame 2, the top of fixed frame 2 is equipped with driving motor 3, the output of driving motor 3 is fixedly installed with crank 301, the other end of crank 301 is rotatably connected with connecting rod 302, the other end of connecting rod 302 is rotatably connected with hammering shaft 303, which penetrates the top of fixed frame 2, hammering shaft 303 is located in the inside of fixed frame 2, the bottom of hammering shaft 303 is provided with hammer head 304, the inside of fixed frame 2 is provided with limiting mechanism 4, limiting mechanism 4 includes upper limiting plate 401 and lower limiting plate 402, hammer head 304 and hammering shaft 303 are slidably connected in the inside of limiting mechanism 4, the bottom of fixed frame 2 is provided with two groups of mounting blocks 201, two groups of mounting blocks 201 are slidably connected with hammering plate 5 in the inside.The top of hammering plate 5 both sides is provided with sliding rod 501, and the top of two groups of sliding rod 501 extends to the upper through lower limiting plate 402, and the outside of two groups of sliding rod 501 is provided with return spring 502.

[0031] By setting fixed frame 2, in use, the rotation of driving motor 3 can drive the rotation of crank 301, so that hammer head 304 can be continuously driven downward by hammering shaft 303, hammer head 304 continuously hammers downward on hammering plate 5, so that the ring knife placed in the inside of mounting block 201 can be quickly hammered downward into the inside of road, which can quickly realize the installation effect of ring knife, and manual hammering is not required, and the design of hammering plate 5 can make the top of ring knife be quickly hammered, improve the force area and uniformity, reduce the generation of ring knife deviation phenomenon, effectively improve the detection accuracy, improve the practicability of the device.

[0032] Refer to Figure 1The outer part of the hammer head 304 is provided with a limiting ring one 305, which is located between the upper limiting plate 401 and the lower limiting plate 402. The top and bottom of the limiting ring one 305 are provided with limiting springs 403. The bottom end of the hammering shaft 303 is slidingly connected to the inner part of the limiting ring one 305. The part of the hammering shaft 303 located in the inner part of the hammer head 304 is provided with a limiting ring two 306. The top and bottom of the limiting ring two 306 are provided with springs 307. The spring 307 located at the top is fixedly connected to the top of the limiting ring one 305. The top of the fixed frame 2 is provided with a sample box 6, which is located opposite to the driving motor 3. The inner part of the sample box 6 is provided with a plurality of groups of drawers 601. The bottom of the base 1 is provided with four groups of universal wheels 104, which are located at the four corners of the bottom of the base 1. By arranging the limiting springs 403, the two groups of springs 307 in the inner part of the hammer head 304 can be cooperated with each other during use. The hammer head 304 can be quickly reset under the action of the limiting springs 403 and the springs 307 after being hammered downward. The hammer head 304 can be more accurately hammered next time, the hammering effect can be further improved, and the stability during use can be improved. By arranging the sample box 6, the road samples can be more conveniently isolated and stored during use, and the practicality of the device can be improved. By arranging the universal wheels 104, the transfer device can be more convenient and labor-saving during use, and the practicality can be improved.

[0033] Referring to Figure 1 One side of the sample box 6 is provided with a control panel 7, which is electrically connected with the driving motor 3. By arranging the control panel 7, the driving motor 3 can be more conveniently controlled during use, and the practicality of the device can be improved. Both sides of the base 1 are provided with fixed grooves 101. Four groups of fixed grooves 101 are provided with fixed plates 102. The inner part of the fixed plate 102 is slidingly connected with a fixed pin 103. By arranging the fixed grooves 101, the fixed pin 103 can further quickly fix the device during use to prevent deviation during use. The size of the mounting groove 202 matches the size of the hammering plate 5. The crank 301, the connecting rod 302, the hammering shaft 303 and the hammer head 304 are all made of high-strength steel material. By arranging the mounting groove 202 with the size matching the size of the hammering plate 5, the stability of the hammering plate 5 during upward and downward movement can be further ensured. The arrangement of high-strength steel can further improve the service life and structural strength.

[0034] Working principle: through the setting fixed frame 2, in use, can drive motor 3 through the rotation of the crank 301 rotation can be directly continuously through the hammer shaft 303 on the hammer head 304 for the effect of continuous downward driving, hammer head 304 in the continuous downward on the hammer plate 5 is quickly hammered, so as to place in the inside of the installation block 201 ring cutter for fast downward hammering into the inside of the road, so as to realize the installation effect of the ring cutter quickly, and the staff need not to hammer manually, and the design of hammering plate 5 can make the top of the ring cutter be quickly hammered, improve the area and uniformity of stress, reduce the phenomenon of ring cutter deviation, effectively improve the accuracy of detection, improve the practicability of the device, through the setting of limiting spring 403, in use, can be matched with the inside of the hammer head 304 two groups of springs 307, can make the hammer head 304 after downward hammering, can quickly reset under the action of limiting spring 403 and spring 307, can be more accurate to accept the next hammering, can further improve the effect of hammering, also can improve the stability in use;

[0035] Among them, through the setting of sliding rod 501, in use, can ensure that the hammering plate 5 is more stable in the inside of the installation block 201 under the force of downward movement, further reduce the deviation phenomenon, the setting of sliding rod 501 can ensure the quick reset of hammering plate 5, further improve the practicability, through the setting of sample box 6, in use, can be more convenient to isolate and preserve the road sample, improve the practicability of the device;

[0036] At the same time, through the setting of control panel 7, in use, can be more convenient to control the driving motor 3, improve the practicability of the device;

[0037] In addition, through the setting of universal wheel 104, in use, the transfer device will be more convenient and labor saving, improve the practicability; through the setting of fixed groove 101, in use, the fixed pin 103 can further fix the device quickly, prevent deviation in use; the size of the installation groove 202 and the size of the hammering plate 5 are matched with each other, which can further ensure the stability of the hammering plate 5 when moving up and down, and the setting of high strength steel can further improve the service life and structural strength.

[0038] The above only for the preferred embodiment of the present application, and does not limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting the degree of compaction of a road subgrade, comprising a base (1), characterized in that, The top of the base (1) is provided with a fixing frame (2), the top of the fixing frame (2) is provided with a driving motor (3), the output end of the driving motor (3) is fixedly provided with a crank (301), the other end of the crank (301) is rotatably connected with a connecting rod (302), the other end of the connecting rod (302) is rotatably connected with a hammer shaft (303) penetrating through the top of the fixing frame (2), the hammer shaft (303) is located in the inside of the fixing frame (2), the bottom of the hammer shaft (303) is provided with a hammer head (304), the inside of the fixing frame (2) is provided with a limiting mechanism (4), the limiting mechanism (4) comprises an upper limiting plate (401) and a lower limiting plate (402), the hammer head (304) and the hammer shaft (303) are slidably connected in the inside of the limiting mechanism (4), the bottom of the fixing frame (2) is provided with two groups of mounting blocks (201), the inside of the two groups of mounting blocks (201) is slidably connected with a hammering plate (5).

2. The road subgrade compactness detection device according to claim 1, characterized in that, The outside of the hammer head (304) is provided with a limiting ring I (305), the limiting ring I (305) is located between the upper limiting plate (401) and the lower limiting plate (402), the top and bottom of the limiting ring I (305) are provided with limiting springs (403), the bottom end of the hammer shaft (303) is slidably connected in the inside of the limiting ring I (305), the part of the hammer shaft (303) located in the inside of the hammer head (304) is provided with a limiting ring II (306), the top and bottom of the limiting ring II (306) are provided with springs (307), wherein the spring (307) located at the top is fixedly connected with the top of the limiting ring I (305).

3. The road subgrade compactness detection device according to claim 1, characterized in that, The top of the hammering plate (5) is provided with sliding rods (501) on both sides, the top of the two groups of sliding rods (501) extends to the upper side penetrating through the lower limiting plate (402), the outside of the two groups of sliding rods (501) is provided with return springs (502).

4. The road subgrade compactness detection device according to claim 1, characterized in that, The top of the fixing frame (2) is provided with a sample box (6), the sample box (6) is located opposite to the driving motor (3), the inside of the sample box (6) is provided with multiple groups of drawers (601).

5. The road subgrade compactness detection device according to claim 4, characterized in that, One side of the sample box (6) is provided with a control panel (7), the control panel (7) is electrically connected with the driving motor (3).

6. The road embankment compactness detection device according to claim 1, wherein The bottom of the base (1) is provided with four groups of universal wheels (104), the four groups of universal wheels (104) are located at the four corners of the bottom of the base (1).

7. The road subgrade compactness detection device according to claim 1, characterized in that, The two sides of the base (1) are provided with fixing grooves (101), the inside of the four groups of fixing grooves (101) is provided with fixing plates (102), the inside of the fixing plates (102) is slidably connected with fixing pins (103).

8. The road subgrade compactness detection device according to claim 1, characterized in that, The size of the mounting groove (202) matches the size of the hammering plate (5), the crank (301), the connecting rod (302), the hammer shaft (303) and the hammer head (304) are made of high-strength steel material.

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