Equipment for detecting quality of highway subgrade

Abstract

The utility model discloses equipment for detecting the quality of a highway subgrade, relates to the technical field of highway engineering, and provides the following scheme aiming at the problems proposed in the background technology: the equipment comprises a movable frame, the back surface of the movable frame is fixedly connected with two supporting plates, and the opposite surfaces of the two supporting plates are fixedly connected with push handles; the left side and the right side of the movable frame are each fixedly connected with two rotating shafts, the surfaces of the four rotating shafts are rotationally connected with movable wheels, and the upper surface of the movable frame is fixedly connected with a detection assembly. Through the arrangement of the detection assembly, during use, the distance between the pressure sensor and the roadbed can be used as a detection stroke, when the position of one side of the roadbed deviates and even collapses, the stroke with deviation and collapse is lengthened, and at the moment, the spring loses limitation; therefore, pressure data of the pressure sensor is driven to return to zero, the defect position of the roadbed can be conveniently and quickly found, repair operation is facilitated, and the detection effect on the highway roadbed is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering technical field especially relates to a device for highway subgrade quality detection. BACKGROUND

[0002] The subgrade is the basis of the track or the pavement, is the earthwork structure that forms through excavation or filling, and the main role of the subgrade is to provide necessary conditions for track or pavement laying and train or vehicle operation, and to bear the static load and dynamic load of the track and the vehicle or the pavement and the traffic load, and at the same time, the load is transmitted and diffused to the deep foundation, in order to ensure the quality of the subgrade, generally needs to carry out detection operation to the subgrade after laying.

[0003] The detection mode of the existing subgrade is mostly that the staff moves on the subgrade by using the level, carries out horizontal detection to the subgrade, ensures that there is no large protrusion position on the subgrade, however, this detection mode has certain defects, for example, the level cannot detect the recessed position, at the same time, cannot exert pressure on the subgrade, it is difficult to carry out pressure collapse detection to the subgrade, and the staff handholds the level, the detection efficiency is low, and there is certain improvement space. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a device for highway subgrade quality detection.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A device for highway subgrade quality detection, including movable frame, two support plates are fixedly connected on the back of movable frame, the opposite surface of two support plates is fixedly connected with push handle, the left and right sides of movable frame are fixedly connected with two rotating shafts, the surface of four rotating shafts is rotatably connected with movable wheel, the upper surface of movable frame is fixedly connected with detection assembly, the front of movable frame is fixedly connected with photovoltaic board, detection assembly includes driving motor, the upper surface of movable frame is fixedly connected with industrial computer host, the output of driving motor is fixedly connected with lead screw, the inside of movable frame is equipped with cavity, the inner wall of cavity is slidably connected with movable plate, the lower surface of movable plate is fixedly connected with a plurality of sleeves, two limit grooves are formed in the inner wall of sleeve, the inner bottom wall of two limit grooves is fixedly connected with limit rod, the surface of two limit rods is sleeved with spring, the inner top wall of sleeve is fixedly connected with pressure sensor, the inner wall of two limit grooves is slidably connected with top plate, the lower surface of top plate is fixedly connected with top rod, the bottom end of top rod is fixedly connected with positioning frame, the inner wall of positioning frame is fixedly connected with round rod, the surface of round rod is rotatably connected with press roller.

[0007] Preferably, the bottom end of the lead screw extends to the inside of the cavity and is rotatably connected with the inner bottom wall of the cavity.

[0008] Preferably, the upper surface of the movable plate is provided with a threaded hole, the movable plate is connected with the lead screw through the threaded hole, and the lead screw can drive the movable plate to move up and down in the cavity after rotating.

[0009] Preferably, the top plate is connected with the surfaces of the two limiting rods in a sliding mode, the top end of the spring is overlapped with the inner top wall of the limiting groove, the bottom end of the spring is overlapped with the upper surface of the top plate, and the top plate can drive the spring to deform when moving on the surfaces of the two limiting rods.

[0010] Preferably, the bottom end of the sleeve is provided with a circular hole matched with the top rod, the inner bottom wall of the cavity is provided with a fixing hole matched with the top rod, the top rod can pass through the sleeve and the fixing hole, and the positioning frame can be driven to move up and down.

[0011] Preferably, the driving motor and the pressure sensor are electrically connected with the industrial control host through wires, the industrial control host can start the driving motor and display the pressure data on the pressure sensor.

[0012] The device has the advantages that:

[0013] 1. The detection assembly is arranged, so that the distance between the pressure sensor and the roadbed can be used as a detection stroke in use, when the position of one side of the roadbed deviates or even collapses, the stroke of the deviated or collapsed part will be lengthened, at this time, the spring will lose the limitation, so that the pressure data of the pressure sensor is reset to zero, and then the roadbed defect position can be quickly found, the repair operation is facilitated, and the detection effect of the roadbed is improved.

[0014] 2. The photovoltaic panel is arranged, so that the photovoltaic panel can be used as a power supply structure to provide power for the electric elements in the device, without the need of connecting additional wires when the movable frame moves, and the device is more convenient to use and has better energy-saving effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the device for detecting the quality of the roadbed of the highway;

[0016] Figure 2 It is a front sectional structural schematic view of the device for detecting the quality of the roadbed of the highway;

[0017] Figure 3 It is a perspective structural schematic view of the device for detecting the quality of the roadbed of the highway; Figure 2 It is an enlarged schematic view of the structure at A in the device for detecting the quality of the roadbed of the highway.

[0018] In the figure: 1, movable frame; 2, support plate; 3, push handle; 4, rotating shaft; 5, movable wheel; 6, photovoltaic panel; 7, driving motor; 8, industrial control host; 9, screw rod; 10, movable plate; 11, sleeve; 12, limiting rod; 13, spring; 14, pressure sensor; 15, top plate; 16, top rod; 17, positioning frame; 18, round rod; 19, compression roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Embodiment 1, refer to Figure 1 、 Figure 2 and Figure 3 A device for highway subgrade quality detection, including movable frame 1, the back of movable frame 1 is fixedly connected with two support plates 2, the opposite surface of two support plates 2 is fixedly connected with push handle 3, the left and right sides of movable frame 1 are fixedly connected with two rotating shafts 4, the surface of four rotating shafts 4 is rotatably connected with movable wheel 5, the upper surface of movable frame 1 is fixedly connected with detection assembly, and the front of movable frame 1 is fixedly connected with photovoltaic panel 6;

[0021] Detection assembly includes driving motor 7, the upper surface of movable frame 1 is fixedly connected with industrial control host 8, the output end of driving motor 7 is fixedly connected with screw rod 9, the inside of movable frame 1 is provided with cavity, the inner wall of cavity is slidably connected with movable plate 10, the bottom end of screw rod 9 extends to the inside of cavity and is rotatably connected with the inner bottom wall of cavity, the upper surface of movable plate 10 is provided with threaded hole, movable plate 10 is threadedly connected with screw rod 9 through threaded hole, the lower surface of movable plate 10 is fixedly connected with a plurality of sleeves 11, the inner wall of sleeve 11 is provided with two limiting grooves, the inner bottom wall of two limiting grooves is fixedly connected with limiting rod 12, the surface of two limiting rods 12 is sleeved with spring 13, the inner top wall of sleeve 11 is fixedly connected with pressure sensor 14, and driving motor 7 and pressure sensor 14 are electrically connected with industrial control host 8 through wires;

[0022] The inner wall of two limiting grooves is slidably connected with top plate 15, top plate 15 is slidably connected with the surface of two limiting rods 12, the top end of spring 13 is overlapped with the inner top wall of limiting groove, the bottom end is overlapped with the upper surface of top plate 15, the lower surface of top plate 15 is fixedly connected with top rod 16, the bottom end of sleeve 11 is provided with circular hole matched with top rod 16, the inner bottom wall of cavity is provided with fixing hole matched with top rod 16, the bottom end of top rod 16 is fixedly connected with positioning frame 17, the inner wall of positioning frame 17 is fixedly connected with round rod 18, and the surface of round rod 18 is rotatably connected with compression roller 19;

[0023] When the driving motor 7 drives the screw rod 9 to rotate, the movable plate 10 can be driven to descend in the cavity, thereby driving the plurality of sleeves 11 to descend, so that the compression roller 19 contacts the ground, the top rod 16 drives the top plate 15 to move upward to extrude the spring 13, and the pressure sensor 14 generates pressure data at the same time, and the movable frame 1 is driven to move, when the roadbed collapses and is concave, the compression roller 19 loses the limitation of the roadbed plane and moves downward, thereby driving the top plate 15 to move downward through the top rod 16, so that the spring 13 limits the top plate 15 to be separated from the surface of the pressure sensor 14, and the data on the single pressure sensor 14 is zeroed, so that the defect position can be known through the industrial control host 8, fine detection operation of the roadbed quality is facilitated, and the roadbed quality is ensured.

[0024] Working principle: first, the push handle 3 is pushed, the movable frame 1 is driven to move on the roadbed through the supporting plate 2, the driving motor 7 is turned on through the industrial control host 8, the driving motor 7 drives the screw rod 9 to rotate, thereby driving the movable plate 10 to descend, the movable plate 10 drives the plurality of sleeves 11 to descend, and the compression roller 19 contacts the ground through the top rod 16, the movable plate 10 continuously descends, pressure is applied to the compression roller 19, and the top plate 15 is extruded through the top rod 16, when the top plate 15 contacts the pressure sensor 14 and drives the pressure sensor 14 to generate pressure data, the driving motor 7 stops, the pressure data of the plurality of pressure sensors 14 are the same, the movable frame 1 is driven to move on the roadbed, the compression roller 19 can be extruded and moved on the roadbed due to the pressure, when the roadbed is not stable enough or even collapses, the compression roller 19 directly loses the limitation of the roadbed, the top plate 15 drives the top rod 16 to move downward, thereby zeroing the pressure data of the single pressure sensor 14, the defect position on the roadbed can be quickly known through the industrial control host 8, the quality detection effect of the highway roadbed is improved, and the forming quality of the roadbed is ensured.

[0025] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A device for detecting the quality of highway subgrade, comprising a movable frame (1), two support plates (2) fixedly connected to the back of the movable frame (1), push handles (3) fixedly connected to the opposite sides of the two support plates (2), two rotating shafts (4) fixedly connected to the left and right sides of the movable frame (1), movable wheels (5) rotatably connected to the surfaces of the four rotating shafts (4), a detection component fixedly connected to the upper surface of the movable frame (1), and a photovoltaic panel (6) fixedly connected to the front of the movable frame (1), characterized in that, The detection assembly includes a drive motor (7), an industrial control host (8) is fixedly connected to the upper surface of the movable frame (1), a lead screw (9) is fixedly connected to the output end of the drive motor (7), a cavity is opened inside the movable frame (1), a movable plate (10) is slidably connected to the inner wall of the cavity, a number of sleeves (11) are fixedly connected to the lower surface of the movable plate (10), two limiting grooves are opened on the inner wall of the sleeves (11), and limiting rods (1) are fixedly connected to the inner bottom walls of the two limiting grooves. 2) Springs (13) are fitted on the surfaces of the two limiting rods (12). A pressure sensor (14) is fixedly connected to the inner top wall of the sleeve (11). A top plate (15) is slidably connected to the inner walls of the two limiting grooves. A top rod (16) is fixedly connected to the lower surface of the top plate (15). A positioning frame (17) is fixedly connected to the bottom end of the top rod (16). A round rod (18) is fixedly connected to the inner wall of the positioning frame (17). A pressure roller (19) is rotatably connected to the surface of the round rod (18).

2. The equipment for detecting the quality of highway subgrade according to claim 1, characterized in that, The bottom end of the lead screw (9) extends into the cavity and is rotatably connected to the inner bottom wall of the cavity.

3. The equipment for detecting the quality of highway subgrade according to claim 1, characterized in that, The upper surface of the movable plate (10) is provided with a threaded hole, and the movable plate (10) is threadedly connected to the lead screw (9) through the threaded hole.

4. The equipment for detecting the quality of highway subgrade according to claim 1, characterized in that, The top plate (15) is slidably connected to the surfaces of the two limiting rods (12), and the top end of the spring (13) overlaps with the inner top wall of the limiting groove, and the bottom end overlaps with the upper surface of the top plate (15).

5. The device for detecting the quality of highway subgrade according to claim 1, characterized in that, The bottom end of the sleeve (11) is provided with a circular hole that matches the top rod (16), and the inner bottom wall of the cavity is provided with a fixing hole that matches the top rod (16).

6. The equipment for detecting the quality of highway subgrade according to claim 1, characterized in that, The drive motor (7) and pressure sensor (14) are both electrically connected to the industrial control host (8) via wires.

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