Roadbed bearing capacity detection device

Abstract

The utility model discloses a roadbed bearing capacity detection device, which relates to the technical field of building equipment and comprises a shell, and a driving component and a detection probe are arranged in the shell. A channel is formed in the bottom of the shell, the detection probe is inserted into the channel in a sliding mode, the driving end of the driving assembly is connected with the detection probe, and the driving assembly is used for driving the detection probe to slide out of or slide into the channel. Wherein the detection probe comprises a round rod, the bottom of the round rod is a conical head, and a detector is arranged at the bottom of the round rod. According to the utility model, the plurality of detection probes are simultaneously driven by the driving assembly to be inserted into the roadbed, so that the detection probes are tightly attached to soil in the roadbed, and the detection probes can directly and suddenly carry out density detection on the appointed depth of the roadbed, thereby realizing the detection on the bearing capacity of the roadbed.

Description

TECHNICAL FIELD

[0001] The utility model relates to building detection equipment technical field, concretely is a roadbed bearing capacity detection device. BACKGROUND

[0002] The roadbed bearing capacity detection device is a device for evaluating the bearing capacity and stability of a roadbed and is widely used in quality control and maintenance of road, railway, airport and other projects.

[0003] The density of roadbed soil is an important index reflecting the bearing capacity of the roadbed, therefore, the bearing capacity of the roadbed is evaluated by detecting the density of the roadbed in the prior art. The nuclear density gauge is a non-destructive testing device that can be used to measure the density and moisture content of soil, asphalt, concrete and other materials, and has a fast detection speed and is widely used in the fields of road construction and quality control.

[0004] When the nuclear density gauge is used, the probe thereof needs to be inserted into the roadbed. However, it is difficult to insert the detection probe into the soil by manpower because the roadbed as a whole is hard. If the detection probe is knocked by a hammer head, the detection probe is likely to be damaged. Therefore, the detection device is usually inserted into the soil for detection after a plurality of holes are drilled on the ground by a drill or other screw rod device. However, the structure of the bottom of the roadbed is affected after the plurality of holes are excavated on the roadbed by the drill, thereby affecting the accuracy of the detection result. TECHNICAL SOLUTION

[0005] The technical solution of the utility model provides a solution significantly different from the prior art to solve the problem that the detection probe of the nuclear density gauge is not convenient to insert into the roadbed in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a roadbed bearing capacity detection device, comprising a shell, a driving assembly and a detection probe are arranged in the shell;

[0007] A passage is arranged at the bottom of the shell, the detection probe is slidingly inserted into the passage, the driving end of the driving assembly is connected with the detection probe, and the driving assembly is used for driving the detection probe to slide out of or into the passage.

[0008] The detection probe comprises a round rod, the bottom of the round rod is a conical head, and a detector is arranged at the bottom of the round rod.

[0009] Preferably, the driving assembly comprises a driving motor installed in the shell, and a threaded rod is connected to the driving shaft of the driving motor.

[0010] A plurality of guide rods are arranged in the shell, a movable plate is slidably sleeved on the plurality of guide rods, the detection probe is inserted on the movable plate, a threaded sleeve is installed on the movable plate, and the threaded sleeve is in threaded connection with the threaded rod.

[0011] Preferably, a transmission assembly is arranged in the shell, the transmission assembly is connected with the detection probe, and is used for driving the detection probe to rotate.

[0012] Preferably, the transmission assembly comprises an angular groove formed on the detection probe, an angular shaft is inserted in the angular groove, the angular shaft is in sliding contact with the angular groove, and a planetary gear is sleeved on the upper end of the angular shaft.

[0013] A sun gear is sleeved on the threaded rod, and the sun gear is in meshing connection with the planetary gear.

[0014] Preferably, at least two detection probes are arranged in the shell, the plurality of detection probes are all installed on the movable plate, and a transmission assembly is arranged between each detection probe and the threaded rod.

[0015] Preferably, a scale line is arranged on the circumferential wall of the round rod along the length direction of the round rod.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] In the utility model, a plurality of detection probes are simultaneously inserted into the roadbed by the driving assembly, so that the detection probes are closely combined with the internal soil of the roadbed, the detection probes can directly detect the density of the specified depth of the roadbed, and the detection of the bearing capacity of the roadbed is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the transmission assembly in the utility model;

[0020] Figure 3 It is a structural schematic view of the round rod in the utility model;

[0021] In the drawing: 1 shell;

[0022] 2 driving assembly, 201 driving motor, 202 threaded rod, 203 movable plate, 204 guide rod;

[0023] 3 detection probe, 301 round rod, 302 detector, 303 angular groove;

[0024] 4 transmission assembly, 401 sun gear, 402 angular shaft, 403 planetary gear. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described 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 other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figure 1 The utility model provides a technical scheme: a roadbed bearing capacity detection device, including casing 1, drive assembly 2 and detection probe 3 are arranged in casing 1.

[0027] The bottom of casing 1 is provided with a channel, and the detection probe 3 is slidingly inserted in the channel, and the detection probe 3 can slide out of or into the channel, and the detection probe 3 is retracted in the casing 1 when idle, the driving end of the drive assembly 2 is connected with the detection probe 3, and the drive assembly 2 is used to drive the detection probe 3 to slide out of or into the channel.

[0028] The detection probe 3 includes a round rod 301, and the bottom of the round rod 301 is a conical head, a detector 302 is arranged at the bottom of the round rod 301, the detection port of the detector 302 is arranged on the outer surface of the round rod 301, and the remaining components of the detector 302 are arranged inside the round rod 301.

[0029] And at least two detection probes 3 are arranged in the casing 1, and the plurality of detection probes 3 are mounted on the movable plate 203.

[0030] In use, the casing 1 is placed at the position to be detected, the plurality of detection probes 3 are driven to extend out of the channel by the drive assembly 2, and the detection probe 3 is continuously driven downward by the drive assembly 2, so that the plurality of detection probes 3 are simultaneously inserted into the roadbed until the detector 302 reaches the predetermined detection depth.

[0031] At this time, the detection port of the detector 302 is in direct and close contact with the inside of the roadbed, thereby ensuring the accuracy of the roadbed density detection by the detector 302, and the plurality of detection probes 3 are simultaneously inserted into the roadbed, thereby reducing the change of the internal structure of the roadbed by the plurality of detection probes 3, improving the accuracy of the roadbed density detection by the detection probe 3, and further improving the accuracy of the roadbed bearing capacity detection result of the device.

[0032] In the present embodiment, the drive assembly 2 includes a driving motor 201 mounted in the casing 1, and a threaded rod 202 is connected to the driving shaft of the driving motor 201.

[0033] A plurality of guide rods 204 are arranged in the shell 1, a movable plate 203 is sleeved on the plurality of guide rods 204 and slides, the movement of the movable plate 203 in the vertical direction is limited through the guide rods 204, the detection probe 3 is inserted on the movable plate 203, a threaded sleeve is arranged on the movable plate 203, and the threaded sleeve is in threaded connection with the threaded rod 202.

[0034] The driving motor 201 drives the threaded rod 202 to rotate, the threaded rod 202 drives the movable plate 203 to move up and down in the shell 1 through the threaded sleeve, the movable plate 203 drives the plurality of detection probes 3 to move up and down, so that the detection probe 3 is inserted into or pulled out of the roadbed.

[0035] The detection probe 3 is driven vertically to achieve the purpose of inserting the detection probe 3 into the roadbed, the insertion resistance of the detection probe 3 is large, in order to solve the problem, in the embodiment, a transmission assembly 4 is arranged in the shell 1, the transmission assembly 4 is connected with the detection probe 3, and is used for driving the detection probe 3 to rotate, so that the detection probe 3 rotates synchronously and drills into the roadbed in the process of inserting into the roadbed.

[0036] In the embodiment, referring to Figure 2 and Figure 3 , the transmission assembly 4 comprises an angular groove 303 arranged on the detection probe 3, an angular shaft 402 is inserted in the angular groove 303, the angular shaft 402 is in sliding contact with the angular groove 303, and a planetary gear 403 is sleeved on the upper end of the angular shaft 402.

[0037] A central gear 401 is sleeved on the threaded rod 202, and the central gear 401 is in meshing with the planetary gear 403.

[0038] When the threaded rod 202 drives the movable plate 203 to move up and down through the threaded sleeve, the threaded rod 202 drives the central gear 401 to rotate, the central gear 401 drives the planetary gear 403 to rotate, the planetary gear 403 drives the angular shaft 402 to rotate, and the angular shaft 402 drives the circular rod 301 to rotate, so that the circular rod 301 continuously rotates in the process of inserting into the roadbed, the circular rod 301 drills into the roadbed, and the efficiency of inserting the detection probe 3 into the roadbed is improved.

[0039] And the transmission assembly 4 is arranged between each detection probe 3 and the threaded rod 202.

[0040] In the embodiment, a scale line along the length direction is arranged on the peripheral wall of the circular rod 301, so that the user can intuitively observe the depth of the detection probe 3 inserted into the roadbed.

[0041] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for detecting the load bearing capacity of a roadbed, characterized in that, Including shell (1), drive assembly (2) and detection probe (3) are arranged in the shell (1); Channel is arranged at the bottom of the shell (1), and the detection probe (3) is slidably inserted into the channel, the driving end of the drive assembly (2) is connected with the detection probe (3), and the drive assembly (2) is used for driving the detection probe (3) to slide out or slide into the channel; Wherein, the detection probe (3) includes a round rod (301), the bottom of the round rod (301) is a conical head, and a detector (302) is arranged at the bottom of the round rod (301).

2. The device for detecting the bearing capacity of roadbed according to claim 1, characterized in that: The drive assembly (2) includes a drive motor (201) installed in the shell (1), and a threaded rod (202) is connected on the driving shaft of the drive motor (201); A plurality of guide rods (204) are arranged in the shell (1), a plurality of the guide rods (204) are slidably sleeved with a movable plate (203), the detection probe (3) is inserted into the movable plate (203), a threaded sleeve is installed on the movable plate (203), and the threaded sleeve is threadedly connected with the threaded rod (202).

3. The device for detecting the bearing capacity of roadbed according to claim 2, characterized in that: A transmission assembly (4) is arranged in the shell (1), the transmission assembly (4) is connected with the detection probe (3), and is used for driving the detection probe (3) to rotate.

4. The device for detecting the bearing capacity of roadbed according to claim 3, characterized in that: The transmission assembly (4) includes an angle groove (303) formed in the detection probe (3), an angle shaft (402) is inserted into the angle groove (303), and the angle shaft (402) is in sliding contact with the angle groove (303), a planetary gear (403) is sleeved on the upper end of the angle shaft (402); A central gear (401) is sleeved on the threaded rod (202), and the central gear (401) is engaged with the planetary gear (403).

5. The device for detecting the bearing capacity of roadbed according to claim 3, characterized in that: The detection probe (3) is arranged at least two in the shell (1), a plurality of the detection probe (3) are installed on the movable plate (203), and the transmission assembly (4) is arranged between each detection probe (3) and the threaded rod (202).

6. The device for detecting the bearing capacity of a roadbed according to claim 1, wherein: Scale lines are arranged on the circumferential wall of the round rod (301) in the length direction.

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