Portable detector for traffic engineering

Abstract

The utility model relates to the technical field of traffic engineering, and discloses a traffic engineering portable detector which comprises a supporting frame, supporting plates are fixedly connected to the lower ends of the left side and the right side of the supporting frame, supporting blocks are fixedly connected to the left end and the right end of the upper surface of the supporting frame, and a motor is fixedly connected to the left side surface of the supporting block on the left side. The output end of the motor is fixedly connected with a threaded rod, the outer portion of the threaded rod is in threaded connection with a supporting rod, and a detection mechanism is arranged at the lower end of the supporting rod. Stabilizing mechanisms are arranged on the surfaces of the left side and the right side of the supporting frame; by arranging the detection mechanism, the supporting rod can drive the detection mechanism to move left and right and record the pressure change of the pressure sensor, so that whether the ground is in a flat state or not is judged, a positioning rod in the stabilizing mechanism is rotated to drive a positioning block to be far away from a second gear, and a rack drives a stabilizing plate to descend and jacks up the whole detector; and instability caused when only the universal wheels are in contact with the ground is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to traffic engineering technical field, concretely is a kind of traffic engineering portable detector. BACKGROUND

[0002] In the construction and operation process of traffic engineering, the buildings completed by construction are often detected to ensure that they meet the design requirements and safety standards;When detecting the road surface flatness, 3m ruler method is often used for detection, and 3m ruler determination method has two kinds of single ruler determination maximum gap and equal distance (1.5m) continuous determination;The road surface flatness measured by the two methods has a good correlation;The former is often used for construction quality control and inspection and acceptance, and the eligible rate of the measured section is calculated when single ruler determination;Equal distance continuous test can also be used for construction quality inspection and acceptance, and standard deviation is calculated to represent the flatness;In the actual detection process, the detection personnel need to clean the road surface first, then put the 3m ruler on the road surface, find the maximum gap by observation and measure it;This measurement method is low in efficiency and high in labor intensity.

[0003] A traffic engineering portable detector (authorized publication number CN216448800U) is disclosed in Chinese patent, the patent technology sets up sliding block on straight rod, so that bidirectional motor A can push sliding block to slide on straight rod through the meshing of gear and gear slot, so that walking wheel can walk under straight rod, and the height change of road surface is reflected through the displacement of telescopic rod in sleeve, and the up and down displacement of walking wheel is converted into electric signal through spring and pressure sensor and outputted outward;The device can replace staff to measure the flatness of road surface, reduce the burden of staff and increase the efficiency of detection;

[0004] However, it has certain disadvantages: the entire detector only has wheel A contacting ground, so it cannot provide stable support, and in the detection process, the detector is easy to shake or deviate, so wheel A cannot move along the straight line, thereby affecting the pressure data recorded by pressure sensor, and further affecting the accuracy and reliability of detection. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of traffic engineering portable detector to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a traffic engineering portable detector, including support frame, both sides lower extreme of support frame are all fixedly connected with support plate, the lower surface of support plate both ends is fixedly connected with universal wheel, the upper surface of support frame both ends is fixedly connected with support block, the left surface of left side support block is fixedly connected with motor, the output of motor is fixedly connected with screw rod, the outside of screw rod is connected with support rod, and the lower extreme of support rod is provided with detection mechanism,

[0008] The left and right side surfaces of the support frame are provided with stabilizing mechanisms, each stabilizing mechanism includes a connecting frame, a rack is slidably connected to the inside of the connecting frame away from the support frame, the lower end of the rack is fixedly connected to a stabilizing plate, a connecting rod is rotatably connected to the front surface of the connecting frame, a first gear is fixedly connected to the outside of the connecting rod on the inside of the connecting frame, a second gear is fixedly connected to the outside of the connecting rod on the outside of the connecting frame, and a positioning mechanism is provided on the front surface of the connecting frame above the connecting rod.

[0009] As a further scheme of the utility model, the detection mechanism includes a fixed tube, a pressure sensor is fixedly connected to the inside upper surface of the fixed tube, a spring is fixedly connected to the pressure end of the pressure sensor, a fixed rod is fixedly connected to the lower end of the spring, and a roller is fixedly connected to the lower end of the fixed rod.

[0010] As a further scheme of the utility model, the positioning mechanism includes a connecting block, a positioning rod is threadedly connected to the inside of the connecting block, and a positioning block is rotatably connected to the lower end of the positioning rod.

[0011] As a further scheme of the utility model, the right end of the screw rod is rotatably connected to the right support block, and the support rod is slidably connected to the support frame in the horizontal direction.

[0012] As a further scheme of the utility model, the upper end of the fixed tube is fixedly connected to the lower end of the support rod, and the fixed rod slidably penetrates the lower surface of the fixed tube.

[0013] As a further scheme of the utility model, the connecting frame is fixedly connected to one side surface of the support frame, the rack is engagedly connected to the first gear, the rear end of the connecting block is fixedly connected to the front surface of the connecting frame, the rear end of the positioning block is movably attached to the front surface of the connecting frame, and the positioning block is engaged with the second gear.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a detection mechanism is set up, motor drives screw rod rotation, and support rod will drive detection mechanism left and right movement, make the detection mechanism in the roller contact ground and through spring extrude pressure sensor, record the pressure change of pressure sensor, thereby judge whether the ground is the flat state.

[0016] 2、 The utility model discloses a stable mechanism is set up, and the positioning rod in rotating stable mechanism drives the positioning block to be away from the second gear, makes the rack drive stable board to drop and lift the whole detection appearance, improves the stability of whole detection appearance, avoids the instability when only universal wheel contact ground, thereby avoid the route change of gyro wheel movement because of instability, lead to the detection accuracy is influenced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a traffic engineering portable detection appearance's structural diagram;

[0018] Figure 2 It is a traffic engineering portable detection appearance's detection mechanism's explosion map;

[0019] Figure 3 It is a traffic engineering portable detection appearance's stable mechanism's structural diagram.

[0020] In the drawing: 1, support frame;2, support plate;3, universal wheel;4, support block;5, motor;6, threaded rod;7, support rod;8, detection mechanism;9, fixed tube;10, pressure sensor;11, spring;12, fixed rod;13, gyro wheel;14, stable mechanism;15, connecting frame;16, rack;17, stable board;18, connecting rod;19, first gear;20, second gear;21, positioning mechanism;22, connecting block;23, positioning rod;24, positioning block. DETAILED DESCRIPTION

[0021] Please refer to Figure 1 And Figure 2 In the utility model embodiment, a traffic engineering portable detection appearance, including support frame 1, the lower end of left and right two sides of support frame 1 is all fixedly connected with support plate 2, the lower surface of support plate 2 is all fixedly connected with universal wheel 3 in front and back two ends, the upper surface of support frame 1 is all fixedly connected with support block 4 in left and right two ends, the left side surface of left side support block 4 is fixedly connected with motor 5, the output of motor 5 is fixedly connected with threaded rod 6, the right end of threaded rod 6 is rotatably connected to right side support block 4, and support rod 7 is connected in the external thread of threaded rod 6, support rod 7 is slidably connected to support frame 1 in horizontal direction, and the lower end of support rod 7 is provided with detection mechanism 8, detection mechanism 8 includes fixed tube 9, the upper end of fixed tube 9 is fixedly connected to the lower end of support rod 7, the internal upper surface of fixed tube 9 is fixedly connected with pressure sensor 10, the pressure end of pressure sensor 10 is fixedly connected with spring 11, the lower end of spring 11 is fixedly connected with fixed rod 12, fixed rod 12 is slidably connected to the lower surface of fixed tube 9, and the lower end of fixed rod 12 is fixedly connected with gyro wheel 13;

[0022] Universal wheel 3 is provided with a brake;

[0023] The motor 5 is connected to a forward and reverse circuit, which is used to drive the threaded rod 6 to rotate, so as to drive the support rod 7 to move left and right;

[0024] In the normal state, the roller 13 contacts the ground, so that the spring 11 has a certain pressure on the pressure sensor 10, which is the initial value, and then the roller 13 moves left and right, and when the ground is convex, the pressure of the spring 11 on the pressure sensor 10 increases, and when the ground is concave, the pressure of the spring 11 on the pressure sensor 10 decreases, thereby detecting the flatness of the ground;

[0025] The pressure sensor 10 is connected to an external control system, and the detection value is displayed on the external control system;

[0026] The entire detector has compact structure and is convenient to carry.

[0027] In Figure 1 and Figure 3 The left and right surfaces of the support frame 1 are provided with stabilizing mechanisms 14, the stabilizing mechanism 14 comprises a connecting frame 15 fixedly connected to one side surface of the support frame 1, a rack 16 slidably connected to the inside of the connecting frame 15 away from the one side surface of the support frame 1 in the up-down direction, a stabilizing plate 17 fixedly connected to the lower end of the rack 16, a connecting rod 18 rotatably connected to the front surface of the connecting frame 15, a first gear 19 fixedly connected to the outside of the connecting rod 18 on the inside of the connecting frame 15, the rack 16 being meshingly connected to the first gear 19, a second gear 20 fixedly connected to the outside of the connecting rod 18 on the outside of the connecting frame 15, and a positioning mechanism 21 provided above the connecting rod 18 on the front surface of the connecting frame 15, the positioning mechanism 21 comprising a connecting block 22, the rear end of the connecting block 22 being fixedly connected to the front surface of the connecting frame 15, a positioning rod 23 threadedly connected to the inside of the connecting block 22, and a positioning block 24 rotatably connected to the lower end of the positioning rod 23, the rear end of the positioning block 24 being movably attached to the front surface of the connecting frame 15, and the positioning block 24 being engaged with the second gear 20;

[0028] The positioning block 24 is clamped between the adjacent two teeth of the second gear 20, which is used to fix the connecting rod 18, thereby fixing the rack 16;

[0029] Moving the rack 16 downward drives the stabilizing plate 17 to contact the ground and lift the entire detector, thereby improving the stability of the entire detector;

[0030] After the detector is lifted, the pressure value of the pressure sensor 10 is set as the initial value.

[0031] The working principle of the utility model is: when using, rotating positioning rod 23 drives positioning block 24 to move away from second gear 20, rack 16 will drive stabilizing plate 17 to descend, staff lifts up support frame 1, makes stabilizing plate 17 contact ground, then rotating positioning rod 23 drives positioning block 24 to catch second gear 20;At this time, the detection value of pressure sensor 10 is initial value;Start motor 5 drives threaded rod 6 to rotate, and support rod 7 that is screw thread connected with threaded rod 6 will move left and right, thereby drive roller 13 to move in left and right direction, record the detection value of pressure sensor 10 in this process, judge whether the ground is flat state.

[0032] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

[0033] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication of two elements inside. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A portable testing instrument for traffic engineering, comprising a support frame (1), wherein support plates (2) are fixedly connected to the lower ends of the left and right sides of the support frame (1), universal wheels (3) are fixedly connected to the front and rear ends of the lower surface of the support plates (2), support blocks (4) are fixedly connected to the left and right ends of the upper surface of the support frame (1), a motor (5) is fixedly connected to the left side surface of the left support block (4), a threaded rod (6) is fixedly connected to the output end of the motor (5), a support rod (7) is connected to the external thread of the threaded rod (6), and a testing mechanism (8) is provided at the lower end of the support rod (7); Its features are, The support frame (1) is provided with stabilizing mechanisms (14) on both the left and right sides. The stabilizing mechanism (14) includes a connecting frame (15). A rack (16) is slidably connected to the inside of the connecting frame (15) away from the support frame (1) in the vertical direction. A stabilizing plate (17) is fixed to the lower end of the rack (16). A connecting rod (18) is rotatably connected to the front surface of the connecting frame (15). A first gear (19) is fixed to the outer surface of the connecting rod (18) located inside the connecting frame (15), and a second gear (20) is fixed to the outer surface of the connecting rod (18) located outside the connecting frame (15). A positioning mechanism (21) is provided on the front surface of the connecting frame (15) above the connecting rod (18).

2. The portable testing instrument for traffic engineering according to claim 1, characterized in that, The detection mechanism (8) includes a fixed tube (9), a pressure sensor (10) is fixedly connected to the upper inner surface of the fixed tube (9), a spring (11) is fixedly connected to the pressure end of the pressure sensor (10), a fixed rod (12) is fixedly connected to the lower end of the spring (11), and a roller (13) is fixedly connected to the lower end of the fixed rod (12).

3. The portable testing instrument for traffic engineering according to claim 1, characterized in that, The positioning mechanism (21) includes a connecting block (22), and a positioning rod (23) is threadedly connected inside the connecting block (22). The lower end of the positioning rod (23) is rotatably connected to a positioning block (24).

4. The portable testing instrument for traffic engineering according to claim 1, characterized in that, The right end of the threaded rod (6) is rotatably connected to the right support block (4), and the support rod (7) is horizontally slidably connected to the support frame (1).

5. A portable testing instrument for traffic engineering according to claim 2, characterized in that, The upper end of the fixed tube (9) is fixed to the lower end of the support rod (7), and the fixed rod (12) slides through the lower surface of the fixed tube (9).

6. A portable testing instrument for traffic engineering according to claim 3, characterized in that, The connecting frame (15) is fixed to one side surface of the support frame (1), the rack (16) is meshed with the first gear (19), the rear end of the connecting block (22) is fixed to the front surface of the connecting frame (15), the rear end of the positioning block (24) is movably attached to the front surface of the connecting frame (15), and the positioning block (24) is engaged with the second gear (20).

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