Roadbed base layer measuring device for highway pavement

Abstract

The invention provides a roadbed base layer measuring device for a highway pavement, and mainly relates to the technical field of roadbed measurement. The roadbed base layer measuring device of the highway pavement comprises a supporting frame and a measuring rod, the supporting frame comprises a rotating seat, a connecting frame and a supporting adjusting device, the connecting frame is fixedly connected to the outer portion of the rotating seat, the outer end of the connecting frame is fixedly connected with the supporting adjusting device, the measuring rod penetrates through the rotating seat and is inserted into a roadbed, and the supporting adjusting device is fixedly connected with the measuring rod. A position keeping device is arranged in the measuring rod, and a plurality of extension rods are arranged above the measuring rod; the rotating seat comprises an upper-layer seat and a lower-layer seat, the upper-layer seat is rotatably connected with the lower-layer seat, and a plurality of connecting frames are fixedly connected to the exteriors of the upper-layer seat and the lower-layer seat respectively. By means of the simple and efficient structural design, production, use and maintenance cost can be reduced, use convenience can be improved, the device can well adapt to various different road surfaces and be stably placed, and roadbed base layer deformation data can be effectively measured.

Description

Technical Field

[0001] The invention mainly relates to the technical field of roadbed measurement, in particular to a roadbed base measurement device for a highway pavement. Background Art

[0002] The quality of the roadbed is crucial in highway construction, and roadbed deformation will cause damage to the road surface and seriously affect the normal use of the road. Roadbed settlement is an important influencing factor causing roadbed deformation. In order to quickly and timely detect the deformation of the roadbed, relevant staff often use roadbed measuring devices.

[0003] After searching, in the prior art, there is a roadbed measuring device for highway construction with publication number CN117419683B, which relates to the field of roadbed measurement technology. The roadbed measuring device for highway construction comprises a mounting bracket, both ends of the mounting bracket are equipped with lifting drive components, the upper surface of the mounting bracket is equipped with an observation component, the lower surface of the mounting bracket is fixedly equipped with an extension tube, the lower end of the extension tube is fixedly equipped with a measuring tube, the interior of the measuring tube is equipped with a measuring component, and the inner wall of the measuring tube is provided with a plurality of through grooves extending to the outside; so as to solve the technical problem in the prior art that the roadbed around the embedded part cannot be observed, which affects the range and accuracy of the equipment settlement detection.

[0004] In the above technical solution, the structural design is very complicated, which will significantly increase the production cost and maintenance cost of the equipment and may also affect the ease of use. This solution also has significant defects. Since the extension tube can only be arranged vertically with the mounting bracket and the bottom support plate of the mounting bracket is a flat structure, this will limit the use scenarios of the equipment. For example, when measuring on an uneven road surface, it may cause unstable placement. When placed for a long time for measurement, it may affect the accuracy of the measurement data. For this reason, we propose a roadbed base measurement device for a highway pavement. Summary of the invention

[0005] In order to address the deficiencies in the prior art, the present invention provides a roadbed base measurement device for a highway pavement, which can reduce production, use and maintenance costs and improve ease of use through a simple and efficient structural design. It can also adapt well to a variety of different road surfaces, be stably placed, and effectively measure roadbed base deformation data.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions: A roadbed base measurement device for a highway pavement, comprising a support frame and a measuring rod, the support frame comprising a rotating seat, a connecting frame, and a supporting adjustment device, the connecting frame is fixedly connected to the outside of the rotating seat, the outer end of the connecting frame is fixedly connected to the supporting adjustment device, the rotating seat passes through the measuring rod, the measuring rod is inserted into the roadbed, a position holding device is arranged inside the measuring rod, and a plurality of extension rods are installed above the measuring rod; The rotating seat comprises an upper seat and a lower seat, the upper seat is rotatably connected to the lower seat, the outer parts of the upper seat and the lower seat are respectively fixedly connected with a plurality of connecting frames, a fixed seat is arranged in the upper seat, a rotating frame is rotatably installed in the fixed seat, and a positioning sleeve is rotatably installed in the rotating frame; The connecting frame comprises an upper connecting rod and a lower connecting rod, a continuous reinforcing rib is fixedly connected between the upper connecting rod and the lower connecting rod, and a reinforcing rib is fixedly connected between the upper connecting rod, the lower connecting rod and the upper seat; The position holding device structure includes a top head, which is fixedly connected to the bottom of the measuring rod. A plurality of expansion blades are rotatably installed in the top head. A threaded push rod is threadedly installed in the measuring rod. An adjusting cap is fixedly connected to the top of the threaded push rod. A driving connecting rod is rotatably connected to the bottom of the threaded push rod, and the driving connecting rod is rotatably connected to the expansion blades.

[0007] The support adjustment device includes a fixed tube, an adjustment knob is rotatably installed on the upper part of the fixed tube, a telescopic rod is slidably installed in the fixed tube, a support tip is fixedly installed at the bottom of the telescopic rod, an adjustment screw is fixedly connected to the bottom of the adjustment knob, and the adjustment screw is connected to the inside of the telescopic rod through a threaded structure.

[0008] The extension rod is connected to the measuring rod through a threaded structure, and a plurality of the extension rods are connected in sequence through the threaded structure. The extension rods are provided with scale lines.

[0009] Compared with the prior art, the beneficial effects of the present invention are: The structural design of the present invention is simple and efficient, which can effectively reduce the production, use and maintenance costs of the device and improve its ease of use. For example, the structural design of the support frame can stably support the measuring point and can adapt to multi-angle arrangements of the measuring rod. The connecting frame has a simple and durable structure, strong deformation resistance, good support, and can be rotated and stored. In conjunction with the support adjustment device, it can adapt well to different measuring point surfaces, such as slopes or potholes for stable security measurement. It can be stably placed and effectively measure the deformation data of the roadbed base layer. The position holding device in the measuring rod can quickly and efficiently fix the position of the measuring rod in the roadbed base layer, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2This is a schematic structural diagram of the support frame of the present invention from a first viewing angle; Figure 3 is a schematic structural diagram of the support frame of the present invention from a second viewing angle; Figure 4 It is a schematic diagram of the structure of the measuring rod and the extension rod of the present invention; Figure 5 It is a schematic diagram of the structure of the support frame of the present invention when it is stored; Figure 6 It is a schematic diagram of the internal structure of the measuring rod of the present invention; Figure 7 It is a structural schematic diagram of the support and adjustment device of the present invention.

[0011] The numbers shown in the accompanying drawings are: 1, support frame; 2, measuring rod; 11, rotating seat; 12, connecting frame; 13, support adjustment device; 20, extension rod; 21, position holding device; 111, upper seat; 112, lower seat; 113, fixed seat; 114, rotating frame; 115, positioning sleeve; 121, upper connecting rod; 122, lower connecting rod; 123, continuous reinforcing rib; 124, reinforcing rib; 131, fixing cylinder; 132, adjusting knob; 133, telescopic rod; 134, supporting tip; 135, adjusting screw; 211, jack; 212, expansion blade; 213, threaded jack; 214, adjusting cap; 215, driving connecting rod. DETAILED DESCRIPTION

[0012] The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope limited by the application.

[0013] Combined with Figure 1-Figure 7 A roadbed base measurement device for a highway pavement comprises a support frame 1 and a measuring rod 2. The support frame 1 comprises a rotating seat 11, a connecting frame 12, and a supporting adjustment device 13. The connecting frame 12 is fixedly connected to the outside of the rotating seat 11. The outer end of the connecting frame 12 is fixedly connected to the supporting adjustment device 13. The measuring rod 2 passes through the rotating seat 11. The measuring rod 2 is inserted into the roadbed. A position holding device 21 is provided in the measuring rod 2. A plurality of extension rods 20 are installed above the measuring rod 2. The rotating seat 11 includes an upper seat 111 and a lower seat 112. The upper seat 111 is rotatably connected to the lower seat 112. The outer parts of the upper seat 111 and the lower seat 112 are respectively fixedly connected with a plurality of connecting frames 12. A fixed seat 113 is provided in the upper seat 111. A rotating frame 114 is rotatably installed in the fixed seat 113. A positioning sleeve 115 is rotatably installed in the rotating frame 114. The upper seat 111 is provided with two notches, in which a fixed seat 113 is arranged, and a reinforcing rod is provided on the upper part of the notch to improve the overall structural strength of the upper seat 111; the inner edge of the bottom of the lower seat 112 has a cut angle to increase the range of motion of the measuring rod 2 to prevent interference; an anti-friction sleeve is installed on the inner side of the positioning sleeve 115, and the anti-friction sleeve is used for sliding contact with the measuring rod 2 or the extension rod 20; the height of the connecting frame 12 connected to the upper seat 111 is higher than the connecting frame 12 connected to the lower seat 112, and the support adjustment device 13 connected to the outer end of the connecting frame 12 at different heights has a different relative height to the connecting frame 12, so that all the support adjustment devices 13 are at the same height.

[0014] The connecting frame 12 includes an upper connecting rod 121 and a lower connecting rod 122, a continuous reinforcing rib 123 is fixedly connected between the upper connecting rod 121 and the lower connecting rod 122, and a reinforcing rib 124 is fixedly connected between the upper connecting rod 121, the lower connecting rod 122 and the upper seat 111. The continuous reinforcing rib 123 can significantly improve the bending resistance of the upper connecting rod 121 and the lower connecting rod 122, and the reinforcing rib 124 can improve the connection stability between the upper connecting rod 121, the lower connecting rod 122 and the upper seat 111, and improve the overall structural strength and support stability of the connecting frame 12, thereby ensuring the validity of the measurement data.

[0015] The structure of the position holding device 21 includes a top head 211, which is fixedly connected to the bottom of the measuring rod 2. A plurality of expansion blades 212 are rotatably installed in the top head 211. A threaded top rod 213 is threadedly installed in the measuring rod 2. An adjusting cap 214 is fixedly connected to the top of the threaded top rod 213. A driving connecting rod 215 is rotatably connected to the expansion blades 212 at the bottom of the threaded top rod 213. When the position of the threaded top rod 213 needs to be adjusted, a slender anti-torsion thin rod is inserted into the measuring rod 2 to dock with the adjusting cap 214. The adjusting cap 214 is rotated by the thin rod to adjust the position of the threaded top rod 213; the docking structure of the thin rod and the adjusting cap 214 can be adapted, such as a cross-shaped protrusion or a cross-shaped groove. The top head 211 is circular and can effectively guide the measuring rod 2 to be inserted into the bottom of the hole along the punch.

[0016] The support adjustment device 13 includes a fixed cylinder 131, an adjustment knob 132 is rotatably installed on the upper part of the fixed cylinder 131, a telescopic rod 133 is slidably installed in the fixed cylinder 131, a support tip 134 is fixedly installed at the bottom of the telescopic rod 133, an adjustment screw 135 is fixedly connected to the bottom of the adjustment knob 132, and the adjustment screw 135 is connected to the inside of the telescopic rod 133 through a threaded structure; a guide groove is opened on the outside of the telescopic rod 133, and a guide protrusion is provided on the inner wall of the fixed cylinder 131, and the guide protrusion is connected to the guide groove The cooperation can prevent the telescopic rod 133 from rotating relative to the fixed tube 131. The telescopic rod 133 can only slide in the fixed tube 131. On this basis, the rotation of the adjusting screw 135 can drive the telescopic rod 133 to extend or retract in the fixed tube 131. The support tip 134 is installed through a threaded structure for easy replacement. The support tip 134 is in contact with the ground. When the support tip 134 is worn after long-term use, it may affect the stability of the device when placed on an uneven road surface. The stability of the device can be ensured by replacing a new support tip 134. One side of the upper connecting rod 121 and the lower connecting rod 122 passes through the position of the axis of the rotating seat 11, and the fixed tube 131 is tangent to the above-mentioned side position layout. Through the above-mentioned structural design, the support frame 1 can be stably docked after rotation, which is convenient for the storage box to carry.

[0017] The extension rod 20 is connected to the measuring rod 2 through a threaded structure, and a plurality of the extension rods 20 are connected in sequence through the threaded structure, and a scale line is provided on the extension rod 20. One end of the extension rod 20 has a threaded connector, and the other end has a threaded connection hole, and the threaded connector is installed in the threaded hole so that a plurality of extension rods 20 are connected in sequence; a threaded hole is also provided at the top of the measuring rod 2 to connect the extension rod 20.

[0018] When the device is used, a hole is first punched on the road surface to be measured, the diameter of the hole is adapted to the diameter of the top head 211 at the bottom of the measuring rod 2, and the depth of the hole extends to the bottom of the roadbed. The device is assembled on the measuring rod 2 with a suitable number of extension rods 20 selected according to the depth of the required measuring position, and the measuring rod 2 and the extension rod 20 are inserted into the punched hole. Under the guidance of the top head 211, the measuring rod can be quickly inserted to the bottom of the hole. After the measuring rod is completely inserted into the hole, the anti-torsion thin rod is inserted into the measuring rod 2 through the extension rod 20 and docked with the adjustment cap 214, and the threaded top rod 213 is rotated to move it downward, and the threaded top rod 213 pushes the driving connecting rod 215 to flip the expansion blade 212 outward of the top head 211, thereby The bottom of the rod 2 is stably fixed at the bottom of the roadbed base; take the support frame 1, make the uppermost extension rod 20 pass through the positioning sleeve 115 in the rotating seat 11, put the support adjustment device 13 on the ground at the measuring point, turn the adjustment knob 132, and adjust the extension length of each telescopic rod 133 according to the road conditions, so that the connecting frame 12 can be as close to the horizontal as possible and each support adjustment device 13 can effectively support the connecting frame 12, and the equipment installation is completed; after the device is installed, read the scale of the positioning sleeve 115 at the height of the measuring rod 2 or the extension rod 20 and record it, prevent the protective cover and warning sign at the measuring point, and regularly read and record the detection readings; through long-term and regular measurement of the reading structure, the deformation of the roadbed base can be known.

[0019] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A roadbed base measurement device for a highway pavement, comprising a support frame (1) and a measuring rod (2), characterized in that: The support frame (1) comprises a rotating seat (11), a connecting frame (12), and a support adjustment device (13); the connecting frame (12) is fixedly connected to the outside of the rotating seat (11); the outer end of the connecting frame (12) is fixedly connected to the support adjustment device (13); a measuring rod (2) passes through the rotating seat (11); the measuring rod (2) is inserted into the roadbed; a position holding device (21) is provided inside the measuring rod (2); and a plurality of extension rods (20) are installed above the measuring rod (2); The rotating seat (11) comprises an upper seat (111) and a lower seat (112); the upper seat (111) is rotatably connected to the lower seat (112); a plurality of connecting frames (12) are fixedly connected to the exterior of the upper seat (111) and the exterior of the lower seat (112); a fixed seat (113) is provided in the upper seat (111); a rotating frame (114) is rotatably mounted in the fixed seat (113); and a positioning sleeve (115) is rotatably mounted in the rotating frame (114); The connecting frame (12) comprises an upper connecting rod (121) and a lower connecting rod (122); a continuous reinforcing rib (123) is fixedly connected between the upper connecting rod (121) and the lower connecting rod (122); and a reinforcing rib (124) is fixedly connected between the upper connecting rod (121), the lower connecting rod (122) and the upper seat (111); The structure of the position holding device (21) comprises a top head (211), the top head (211) is fixedly connected to the bottom of the measuring rod (2), a plurality of expansion blades (212) are rotatably mounted in the top head (211), a threaded top rod (213) is threadedly mounted in the measuring rod (2), an adjustment cap (214) is fixedly connected to the top of the threaded top rod (213), a driving connecting rod (215) is rotatably connected to the bottom of the threaded top rod (213), and the driving connecting rod (215) is rotatably connected to the expansion blades (212).

2. A roadbed base measurement device for a highway pavement according to claim 1, characterized in that: The support adjustment device (13) comprises a fixed cylinder (131), an adjustment knob (132) is rotatably mounted on the upper portion of the fixed cylinder (131), a telescopic rod (133) is slidably mounted in the fixed cylinder (131), a support tip (134) is fixedly mounted on the bottom of the telescopic rod (133), an adjustment screw (135) is fixedly connected to the bottom of the adjustment knob (132), and the adjustment screw (135) is connected to the inside of the telescopic rod (133) via a threaded structure.

3. The roadbed base measurement device of a highway pavement according to claim 1, characterized in that: The extension rod (20) is connected to the measuring rod (2) via a threaded structure, and a plurality of the extension rods (20) are connected in sequence via the threaded structure, and the extension rods (20) are provided with scale lines.

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