Simple stake mark positioning and elevation control tool for road

Abstract

The utility model discloses a road simple stake mark positioning and elevation control tool which comprises a base plate, three first threaded holes are formed in the base plate, adjusting screw rods matched with the first threaded holes are arranged in the first threaded holes respectively, a horizontal graduated scale is vertically and fixedly arranged on the upper portion of the base plate, and the horizontal graduated scale is arranged on the lower portion of the base plate. The horizontal calibrated scale is slidably sleeved with a movable elevation position block, the side part of the movable elevation position block is rotatably provided with an adjusting screw in threaded connection with the movable elevation position block, and the adjusting screw is used for fixedly connecting the movable elevation position block with the horizontal calibrated scale; fixing feet are arranged at the positions, corresponding to the three first threaded holes, of the lower portion of the base plate respectively, and the lower end of each adjusting screw is of a pointed cone structure. The road construction pile mark positioning and elevation control device can quickly and conveniently complete road construction pile mark positioning and elevation control, has good installation stability, is not prone to deflection, guarantees control precision, and is beneficial to improving work efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction auxiliary tool technical field especially, relates to a road simple stake number positioning and elevation control tool. BACKGROUND

[0002] The present road construction generally includes stake number positioning, elevation measurement, road excavation, graded broken stone backfill, upper and lower stable layer construction, two layer oil construction and so on. When road excavation and backfill broken stone and so on process construction, need multiple staff to carry out sustained measurement and control to road boundary line and elevation unceasingly. Present stake number and elevation control usually utilize the steel bar stick to hit into the ground, make the mark on the steel bar stick to control. But the firmness of steel bar stick on the ground is poor, and the horizontal degree is difficult to grasp, can lead to the control inaccuracy to happen, and the frequent plug -in and plug -out steel bar stick is time -consuming and labor -saving, influences work efficiency. Therefore, a kind of road simple stake number positioning and elevation control tool is developed. SUMMARY

[0003] The utility model aims at providing a kind of road simple stake number positioning and elevation control tool, solve the technical problem mentioned in the above background art.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model discloses a kind of road simple stake number positioning and elevation control tool, including chassis, three first threaded holes are set in the chassis, each the first threaded hole is respectively provided with the adjusting screw screwing with it, the upper part of the chassis is vertically fixed with horizontal scale, sliding sleeve is set on the horizontal scale with movable elevation point block, movable elevation point block side is rotatably provided with the adjusting screw screwing with it, the adjusting screw is used to make movable elevation point block and the horizontal scale fixed connection.

[0006] Further, the lower part of the chassis is respectively provided with fixed foot in the position corresponding to three first threaded holes, the first threaded hole axis corresponding on the chassis is combined and the second threaded hole of the same specification is set on each fixed foot, the lower end of each adjusting screw is penetrated through corresponding first threaded hole and second threaded hole.

[0007] Further, the lower end of each adjusting screw is sharp cone structure.

[0008] Further, two operating rods for driving rotation are symmetrically fixed on the outer peripheral wall upper end of each adjusting screw.

[0009] Further, each adjusting screw is provided with locking nut screwing with it at the part located in the upper part of the chassis.

[0010] Further, the inside of each adjusting screw is a hollow structure and a plurality of radial through holes are uniformly arranged on the circumference near the lower end, and an anchor cone is arranged in each radial through hole.

[0011] Further, an inner thread is arranged on the inner circumferential wall of each adjusting screw, the driving mechanism comprises a driving screw threadedly connected with the adjusting screw, an operating head for driving the rotation of the driving screw is fixedly arranged on the upper end of the driving screw, an extrusion head is fixedly arranged on the lower end of the driving screw, and the end of the extrusion head is a circular truncated cone structure; one end of each anchor cone in the inside of the adjusting screw is fixedly connected with a movable block, the side of each movable block close to the axis of the adjusting screw is arranged as a conical surface structure with the same taper as the circular truncated cone structure of the extrusion head; a connecting spring is arranged around each anchor cone between the inner wall of the adjusting screw and the movable block, one end of the connecting spring is fixedly connected with the inner wall of the adjusting screw, and the other end of the connecting spring is fixedly connected with the movable block.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model discloses three adjusting screws on the chassis are used for leveling and keeping the tool stable. The height of the corresponding pile number is measured by the level, the movable height point is adjusted to the 50 line position, and then the adjusting screw is tightened to fix it, so that the road construction pile number positioning and height control are quickly and conveniently completed, the utility model has good installation stability, is not easy to incline, ensures control precision, and is beneficial to improving work efficiency. ACCURACY

[0014] The utility model will be further described below in combination with the drawings.

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the adjusting bolt external structure schematic diagram of the utility model;

[0017] Figure 3 It is the adjusting bolt internal section view of the utility model;

[0018] Figure 4 It is the cooperation schematic diagram of extrusion head and movable block;

[0019] Figure 5 It is the working state schematic diagram of the utility model;

[0020] Explanation of reference numerals in the attached diagram: 1. Chassis; 2. Adjusting screw; 3. Fixed foot; 4. Horizontal scale; 5. Movable elevation point block; 6. Adjusting screw; 7. Operating lever; 8. Locking nut; 9. Anchoring cone; 10. Drive screw; 11. Operating head; 12. Pressing head; 13. Movable block; 14. Connecting spring. Detailed Implementation

[0021] like Figures 1-5 As shown, a simple road stationing and elevation control tool includes a chassis 1. The chassis 1 has three first threaded holes, each containing a corresponding adjusting screw 2. In this embodiment, the lower part of the chassis 1 has fixed feet 3 welded to positions corresponding to the three first threaded holes 1. Each fixed foot 3 has a second threaded hole with the same axis and specifications as the corresponding first threaded hole on the chassis 1. The lower end of each adjusting screw 2 passes through the corresponding first and second threaded holes. Furthermore, the lower end of each adjusting screw 2 has a pointed conical structure to facilitate insertion below ground level.

[0022] A horizontal scale 4 is vertically fixed in the middle of the upper part of the chassis 1 by welding. A movable elevation point block 5 is slidably mounted on the horizontal scale 4. An adjusting screw 6 is rotatably installed on the side of the movable elevation point block 5 and threadedly connected to it. The adjusting screw 6 is used to fix the movable elevation point block 5 to the horizontal scale 4.

[0023] Each adjusting screw 2 has two symmetrically fixed operating rods 7 on its upper outer peripheral wall for driving its rotation. In actual use, the base and the entire tool can be adjusted to a horizontal state by rotating the three adjusting screws 2 and observing the horizontal scale. The pointed conical structures at the lower ends of the three adjusting screws insert below the ground to ensure the stability of the entire tool. Each adjusting screw 2 has a locking nut 8 threadedly connected to it at the upper part of the base 1. After adjustment, the locking nuts 8 on each adjusting screw 2 can be tightened to fix each adjusting screw 2.

[0024] like Figure 5 As shown, during road construction, the road station position is first determined using RTK. After the station position is determined, this tool is placed, and as described above, it is leveled using the three adjusting screws on the chassis to ensure stable installation. The elevation of the corresponding station is measured using a level, and the movable elevation point is adjusted to the 50 line position. Then, the adjusting screws are tightened to fix it, thus quickly and conveniently completing the positioning of road construction station positions and elevation control. Moreover, this utility model has good installation stability, will not easily deviate, ensures control accuracy, and helps improve work efficiency.

[0025] As a further improvement of the utility model, the inside of each adjusting screw 2 is a hollow structure and a plurality of radial through holes are evenly arranged in the circumferential direction near the lower end, an anchoring cone 9 is arranged in each radial through hole in a sliding and retractable manner, and the inside of the adjusting screw 2 is provided with a driving mechanism for driving the plurality of anchoring cones 9 to retract and extend synchronously.

[0026] Specifically, an internal thread is arranged on the inner circumferential wall of each adjusting screw 2, the driving mechanism comprises a driving screw 10 threadedly connected with the adjusting screw 2, an operating head 11 for driving the rotation of the driving screw 10 is fixedly arranged at the upper end of the driving screw 10, an extrusion head 12 is fixedly arranged at the lower end of the driving screw 10, and the end of the extrusion head 12 is in a circular truncated cone structure. One end of each anchoring cone 9 inside the adjusting screw 2 is fixedly connected with a movable block 13, and the side of each movable block 13 close to the axis of the adjusting screw 2 is arranged as a conical surface structure with the same taper as the circular truncated cone structure of the extrusion head 12. A connecting spring 14 is arranged around each anchoring cone 9 between the inner wall of the adjusting screw 2 and the movable block 13, one end of the connecting spring 14 is fixedly connected with the inner wall of the adjusting screw 2, and the other end is fixedly connected with the corresponding movable block 13.

[0027] When each adjusting screw 2 is inserted into the ground and fixed by tightening the locking nut 8, the operating head 11 of each driving screw 10 can be rotated by a wrench or the like to drive the driving screw 10 and the extrusion head 12 to move downward, and the extrusion head 12 will gradually extrude the plurality of movable blocks 13 to move away from the axis of the adjusting screw 2 during the downward movement, so that the plurality of anchoring cones 9 are synchronously extended out of the corresponding radial through holes of the adjusting screw 2 and horizontally inserted into the underground soil layer, thereby further improving the connection strength between the adjusting screw and the underground soil layer and ensuring the stability of the entire tool.

[0028] The above-described embodiments are only preferred modes of the utility model and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope of the utility model.

Claims

1. A road stake number positioning and elevation control tool, characterized in that: The utility model provides a height adjustable platform, including the chassis, three first threaded holes are seted up on the chassis, each first threaded hole is provided with the adjusting screw which is matched with it respectively, the upper portion of the chassis is fixedly provided with the horizontal scale ruler which is vertical, the movable high point position block is sleeved on the horizontal scale ruler and slides, the movable high point position block side rotatably provided with the adjusting screw which is screw connected with it, the adjusting screw is used for making the movable high point position block with the horizontal scale ruler fixed connection.

2. The road stake location and grade control tool of claim 1, wherein: The lower portion of the chassis is provided with the fixed foot respectively in the position which corresponds with three first threaded holes, the fixed foot is provided with the second threaded hole which is same with the first threaded hole on the chassis and is combined with the axis of the first threaded hole, the lower end of the adjusting screw is through the corresponding first threaded hole and second threaded hole.

3. The road stake location and grade control tool of claim 1, wherein: The lower end of the adjusting screw is pointed cone structure.

4. The road stake location and grade control tool of claim 1, wherein: The outer peripheral wall of the adjusting screw is provided with two operating rods which are used for driving the rotation of the adjusting screw.

5. The road stake location and grade control tool of claim 4, wherein: The adjusting screw is provided with the lock nut which is screw connected with it in the part which is located on the upper portion of the chassis.

6. The road stake location and grade control tool of claim 1, wherein: The inside of the adjusting screw is hollow structure and is provided with a plurality of radial through holes which are uniformly opened in the circumferential direction near the lower end, the anchor cone is slidably arranged in the radial through hole, the inside of the adjusting screw is provided with the driving mechanism which is used for driving a plurality of anchor cones to synchronously stretch and retract.

7. The road stake location and grade control tool of claim 6, wherein: The inner wall of the adjusting screw is provided with internal thread, the driving mechanism includes the driving screw which is screw connected with the adjusting screw, the upper end of the driving screw is fixedly provided with the operating head which is used for driving the rotation of the driving screw, the lower end of the driving screw is fixedly provided with the extrusion head, the end of the extrusion head is circular truncated cone structure. The end of the anchor cone which is located in the inside of the adjusting screw is fixedly connected with the movable block, the side of the movable block which is close to the axis of the adjusting screw is provided with the conical surface structure which is same with the taper of the circular truncated cone part of the extrusion head, the connecting spring is sleeved on the part between the inner wall of the adjusting screw and the movable block, one end of the connecting spring is fixedly connected with the inner wall of the adjusting screw, the other end is fixedly connected with the movable block.

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