Device for controlling loose laying thickness of cement soil

Abstract

The utility model relates to a device for controlling the thickness of virtual laying of cement soil, which belongs to the technical field of road laying and comprises a base, a vertical rod, a graduated scale, an indicating rod and a clamping mechanism. The vertical rod is vertically fixed on the base, a mounting groove is formed in the vertical rod in the vertical direction, and a graduated scale is arranged in the mounting groove; the indicating rod is provided with a limiting hole matched with the vertical rod, the indicating rod is provided with a contraction joint which enables the limiting hole to be communicated with the outside, and the side wall of the contraction joint is provided with a locking hole. The clamping mechanism comprises a locking rod, a cam and a deflector rod, the locking rod is slidably sleeved with the locking hole, one end of the locking rod is fixedly connected with a first limiting block, the other end of the locking rod is hinged to the cam, and the deflector rod is fixedly connected to the cam. The utility model effectively solves the problems that the existing device for controlling the false laying thickness of the cement soil rubs the scales on the scale rod when the indicating rod is adjusted in a sliding manner, so that the scales are lost and become fuzzy, the position adjustment of the indicating rod generates an error, and the construction quality is influenced.

Description

Technical Field

[0001] This utility model relates to the field of road paving technology, specifically to a device for controlling the thickness of cement-soil loose paving. Background Technology

[0002] When paving municipal roads, the loose laying of cement-soil is an indispensable part, followed by a series of steps including compaction. Traditionally, controlling the thickness of the loose cement-soil layer involves inserting steel bars and string lines into the ground. Each insertion point requires measurement and marking, which is time-consuming, labor-intensive, lacks precision, and has low reusability.

[0003] Currently, existing devices for controlling the thickness of cement-soil loose-laying can be adjusted according to the standard thickness by setting an adjustable indicator rod and a graduated rod, which is convenient and quick and solves the problems encountered in the traditional method of controlling the thickness of loose-laying by pulling steel bars. However, when adjusting the position of the indicator rod, friction will occur between the indicator rod and the graduated rod, causing the scale to become blurred and difficult to identify after a long period of friction. This results in errors in the adjustment of the indicator rod position and affects the construction quality.

[0004] Therefore, it is necessary to study a device for controlling the thickness of cement-soil loose-laying. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a device for controlling the thickness of cement-soil loose-laying, which effectively solves the problem that existing devices for controlling the thickness of cement-soil loose-laying suffer from friction on the scale on the scale rod during the sliding adjustment of the indicator rod, resulting in scale wear and blurring, causing errors in the adjustment of the indicator rod position, and affecting the construction quality.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is: a device for controlling the thickness of cement-soil loose-laying, characterized in that: it includes a base, a vertical rod, a scale, an indicator rod, and a clamping mechanism;

[0007] The vertical rod is fixed to the base, and a mounting groove is formed along the vertical direction of the vertical rod, with a scale inside the mounting groove; the indicator rod has a limiting hole adapted to the vertical rod, and a contraction joint is formed on the indicator rod to connect the limiting hole to the outside, with a locking hole formed on the side wall of the contraction joint; the clamping mechanism includes a locking rod, a cam, and a lever, the locking rod is slidably fitted in the locking hole, one end of the locking rod is fixedly connected to a first limiting block, and the other end of the locking rod is hinged to a cam, with a lever fixedly connected to the cam.

[0008] Furthermore, a limit ring is slidably fitted at the lower end of the vertical rod, and the limit ring is provided with a set screw corresponding to the mounting groove;

[0009] A fixing rod is provided at the upper end of the vertical rod, and a fastening bolt is threaded onto the fixing rod. A second limiting block is rotatably fitted onto the fastening bolt. The scale is fixed in the mounting groove by a set screw and the second limiting block.

[0010] Furthermore, the side wall of the limiting hole has a limiting protrusion corresponding to the mounting groove. When the vertical rod is slidably fitted and locked in the limiting hole, there is a gap between the limiting protrusion and the scale surface.

[0011] Furthermore, a rod is vertically fixed at the center of the base, and the end of the rod is provided with a conical tip.

[0012] Furthermore, it also includes a handle, which includes a crossbar and a sleeve vertically fixed below the crossbar. The sleeve has an internal thread, and the upper end of the fixing rod has an external thread. The fixing rod is threadedly connected to the sleeve.

[0013] Furthermore, reflective strips are affixed to the side of the indicator rod.

[0014] The beneficial effects of the above technical solution are as follows: In this utility model, by opening a mounting groove on the vertical rod and installing the scale within the groove, frictional wear on the scale is avoided when the indicator rod slides on the vertical rod, thus preventing adjustment errors caused by scale wear and ensuring measurement accuracy. Furthermore, by setting a clamping mechanism, including a locking rod, a cam, and a lever, the indicator rod is quickly locked and positioned by the lever when adjusted to the required position, preventing adjustment errors, facilitating operation, and resulting in a simple structure.

[0015] This invention includes a limiting ring and a second limiting block. The limiting ring has a set screw, and the scale is fixed in the mounting groove by the set screw and the second limiting block. This design facilitates the installation and removal of the scale, as well as its replacement and storage. By setting a limiting protrusion on the side wall of the limiting hole corresponding to the mounting groove, it is convenient to observe the scale and align it with the limiting protrusion when adjusting the indicator rod, thus avoiding adjustment errors. At the same time, the limiting protrusion can restrict the rotation and movement of the indicator rod, avoiding the inconvenience of adjusting the indicator rod to align with the scale due to the rotation of the indicator rod.

[0016] In this invention, a rod is vertically fixed below the base, and the end of the rod is provided with a conical tip to facilitate insertion into the ground and improve the stability of the device; a handle is provided to facilitate fixing the device to the ground and to facilitate moving the device; and reflective strips are provided to facilitate observation during nighttime construction. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a device for controlling the thickness of cement-soil loose-laying according to the present invention;

[0018] Figure 2 This is a side view of the structure of a device for controlling the thickness of cement-soil loose-laying according to the present invention;

[0019] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 4 This is a cross-sectional view of the connection between the indicator rod and the vertical rod of this utility model.

[0021] Reference numerals in the attached diagram: 1 is the base, 2 is the vertical rod, 3 is the mounting groove, 4 is the scale, 5 is the indicator rod, 6 is the limiting protrusion, 7 is the contraction joint, 8 is the clamping mechanism, 801 is the locking rod, 802 is the cam, 803 is the lever, 804 is the first limiting block, 9 is the limiting ring, 10 is the set screw, 11 is the fixing rod, 12 is the second limiting block, 13 is the handle, 14 is the insertion rod, and 15 is the reflective strip. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0023] Example 1: This example aims to provide a device for controlling the thickness of cement-soil paving, which is mainly used to control the height of cement-soil paving on roads. Addressing the problem that existing devices for controlling the thickness of cement-soil paving suffer from friction on the scale rod during sliding adjustment of the indicator rod, resulting in scale wear and blurring, causing errors in the indicator rod's position adjustment and affecting construction quality, this example provides a device for controlling the thickness of cement-soil paving that avoids scale wear.

[0024] like Figure 1-4 As shown, a device for controlling the thickness of cement-soil paving includes a base 1, a vertical rod 2, a scale 4, an indicator rod 5, and a clamping mechanism 8. A rod 14 is vertically fixed at the center of the lower end of the base 1. The lower end of the rod 14 is provided with a conical tip. The base 1 is designed to facilitate placing the device on the ground and improve the stability of the device. The rod 14 and the conical tip are designed to facilitate inserting the rod 14 into the ground and further increase the stability of the device.

[0025] A vertical rod 2 is fixed to the base 1. A mounting groove 3 is vertically formed along the upper edge of the vertical rod 2, and a scale 4 is installed within the mounting groove 3. Specifically, a limit ring 9 is slidably fitted onto the lower end of the vertical rod 2. The limit ring 9 has a threaded hole, and a set screw 10 corresponding to the mounting groove 3 is threaded into the threaded hole. A fixing rod 11 is vertically fixed to the upper end of the vertical rod 2. The fixing rod 11 has a threaded hole, and a fastening bolt is threaded into the threaded hole. A second limit block 12 is rotatably fitted onto the fastening bolt. The scale 4 is fixed within the mounting groove 3 by the set screw 10 and the second limit block 12. 3. Fix the scale 4 in the mounting groove 3 to prevent friction wear on the scale 4 caused by friction between the indicator rod 5 and the vertical rod 2 when the indicator rod 5 slides, which would make the scale on the scale 4 blurry. This avoids adjustment errors caused by unclear scale due to scale wear and ensures measurement accuracy. The upper end of the fixing rod 11 is provided with an external thread. The handle 13 includes a horizontal bar and a sleeve vertically fixed below the horizontal bar. The sleeve is provided with an internal thread. The fixing rod 11 is threadedly connected to the sleeve. The handle 13 facilitates fixing the device to the ground and moving the device, providing convenience for the use of the device.

[0026] The indicator rod 5 has a limiting hole adapted to the vertical rod 2. The side wall of the limiting hole has a limiting protrusion 6 corresponding to the mounting groove. When the vertical rod 2 is slidably fitted and locked in the limiting hole, there is a gap between the limiting protrusion 6 and the surface of the scale 4. The limiting protrusion 6 can prevent the indicator rod 5 from rotating and facilitate the adjustment of the indicator rod 5 to correspond with the scale. The gap between the limiting protrusion 6 and the scale 4 ensures that when the indicator rod 5 slides, the limiting protrusion 6 will not rub against the surface of the scale 4 and cause wear to the scale. The indicator rod 5 has a contraction slot 7 that connects the limiting hole to the outside. The side wall of the contraction slot 7 has a locking hole. The clamping mechanism 8 includes a locking rod 801, a cam 802 and a lever 8. 03. The locking rod 801 is slidably fitted in the locking hole. One end of the locking rod 801 is fixedly connected to the first limiting block 804, and the other end of the locking rod 801 is provided with a hinge hole. The cam 802 is provided with a rotating shaft hole that corresponds to and matches the hinge hole. A rotating shaft is fixedly fitted in the rotating shaft hole. The rotating shaft rotates and is fitted in the hinge hole. A lever 803 is fixedly connected to the cam. The clamping mechanism 8 can make the indicator rod 5 quickly locked and positioned by the lever 803 when the indicator rod 5 is adjusted to the required position, so as to avoid adjustment errors. At the same time, it is easy to operate and has a simple structure. A reflective strip 15 is pasted on the side of the indicator rod 5. The reflective strip 15 is set to facilitate the observation of the device during construction at night.

[0027] The specific implementation method of this embodiment is as follows: First, the scale 4 is installed in the mounting groove 3. The lower end of the scale 4 is limited by tightening the set screw 10. The upper end of the scale 4 is limited by tightening the fastening bolt so that the second limiting block 12 is pressed against the surface of the scale 4. Then, according to the required thickness of the cement-soil paving, the upper surface of the indicator rod 5 is adjusted to be aligned with the scale line of the required thickness. The cam 802 is rotated by operating the lever 803. The surface of the cam 802 abuts against the side of the indicator rod 5, thereby locking the sliding relationship between the indicator rod 5 and the vertical rod 2. The construction worker holds the handle 13 and presses the handle 13 to insert the insertion rod 14 into the ground. The base 1 is stably fixed on the ground, completing the placement of the device for controlling the thickness of the cement-soil paving.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims and not by the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A control cement-soil false paving thickness device, characterized by: The utility model provides a vertical fixed base, vertical fixed vertical rod, fixed scale, fixed indicating rod and fixed clamping mechanism; The vertical rod is vertically fixed on the base, a mounting groove is vertically formed in the vertical rod, and the scale is arranged in the mounting groove; The indicating rod is provided with a limiting hole matched with the vertical rod, a contraction joint is formed in the indicating rod to connect the limiting hole with the outside, and a locking hole is formed in the side wall of the contraction joint; The clamping mechanism comprises a locking rod, a cam and a lever, the locking rod is slidably sleeved in the locking hole, one end of the locking rod is fixedly connected with a first limiting block, and the other end of the locking rod is hingedly connected with the cam, and the cam is fixedly connected with the lever.

2. The apparatus for controlling the virtual paving thickness of cement-soil according to claim 1, wherein: The vertical rod is slidably sleeved with a limiting ring at the lower end, and the limiting ring is provided with a top screw corresponding to the mounting groove; The vertical rod is provided with a fixed rod at the upper end, the fixed rod is threadedly connected with a fastening bolt, and the fastening bolt is rotatably sleeved with a second limiting block; The scale is fixed in the mounting groove through the top screw and the second limiting block.

3. The apparatus for controlling the virtual paving thickness of cement-soil according to claim 2, characterized in that: The side wall of the limiting hole is provided with a limiting protrusion corresponding to the mounting groove, and when the vertical rod is slidably sleeved and locked in the limiting hole, the limiting protrusion has a gap with the surface of the scale.

4. The apparatus for controlling the virtual paving thickness of cement-soil according to claim 3, wherein: A plug rod is vertically fixed at the center below the base, and a conical tip is arranged at the end of the plug rod.

5. The apparatus for controlling the virtual paving thickness of cement-soil according to claim 4, characterized in that: The handle comprises a horizontal rod and a sleeve vertically fixed below the horizontal rod, the sleeve is provided with an internal thread, the upper end of the fixed rod is provided with an external thread, and the fixed rod is threadedly connected with the sleeve.

6. The apparatus for controlling the virtual paving thickness of cement-soil according to claim 5, characterized in that: The side surface of the indicating rod is pasted with a reflective strip.

Images