Pay-off support frame for pavement construction

Abstract

The utility model belongs to the field of pavement construction pay-off supporting, particularly relates to a pavement construction pay-off supporting frame, and aims to solve the problems that although the position of an existing supporting frame can be determined through a GPS positioning instrument, when the front-back position of a guide rope on the supporting frame needs to be finely adjusted, front-back fine adjustment can be carried out only by taking up a base and moving the base back and forth, and the supporting frame is inconvenient to use. According to the technical scheme, the line drawing device comprises a base and a guide rope facilitating line drawing by personnel, a plurality of conical heads used for being inserted into the ground are fixedly arranged at the bottom of the base, a concave column is arranged at the top of the base, and a movable column used for adjusting the height of the guide rope is slidably connected to the inner wall of the concave column. A containing cylinder is fixedly arranged at the top end of the moving column, a containing groove used for containing a guide rope is formed in the containing cylinder, an internal thread is formed in the inner wall of the containing cylinder, the guide rope can be finely adjusted front and back through the adjusting mechanism, the base does not need to be taken up to be adjusted front and back, and more convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface construction laying-out support, in particular to a road surface construction laying-out support frame. Background Art

[0002] During the construction of the runway, in order to ensure the straightness of the pavement, it is necessary to divide the pavement into several strips and construct the several pavements in sequence. When constructing a pavement, it is necessary to determine the width of the pavement. However, since the runway is very long, it is necessary to use the method of spreading white lime to lay out the lines to determine the width of a pavement. In order to ensure the straightness of the marking, it is necessary to set up a guide rope to guide the white lime marking. If the guide rope is placed directly on the ground, it will be difficult to keep the guide rope straight due to the rough ground. Therefore, a support frame is needed to support the guide rope. The guide rope will be suspended above the ground under the action of the support frame to ensure the straightness of the guide rope, which is convenient for the staff to spread white lime to mark the lines.

[0003] After searching, the patent with the announcement number CN220079662U discloses a road construction line-laying support frame, which relates to the field of road construction technology. It includes a base, a column and a locking piece; the column is fixed to the base, and a placement groove for placing a guide rope is opened along the radial direction of the top of the column; the locking piece is used to fix and tighten the guide rope. This application has the effect of facilitating workers to mark lines.

[0004] The technical solution has the following problems:

[0005] Although the position of the support frame can be determined by a GPS locator, when it is necessary to fine-tune the front and rear position of the guide rope on the support frame, the base can only be picked up and moved back and forth to perform fine-tuning, which is rather troublesome. Utility Model Content

[0006] The purpose of the utility model is to solve the problem in the prior art that although the position of the support frame can be determined by a GPS locator, when the front and rear position of the guide rope on the support frame needs to be fine-tuned, the base can only be lifted up and moved back and forth to perform the front and rear fine-tuning, which is relatively troublesome.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A road surface construction line-laying support frame, comprising a base and a guide rope for personnel to draw lines, a plurality of cone-shaped heads for piercing the ground are fixedly arranged at the bottom of the base, a concave column is arranged at the top of the base, a movable column for adjusting the height of the guide rope is slidably connected to the inner wall of the concave column, a placing cylinder is fixedly arranged at the top of the movable column, a placing groove for placing the guide rope is provided on the placing cylinder, an internal thread is provided on the inner wall of the placing cylinder, a threaded column for pressing down and fixing the guide rope is connected to the inner thread of the placing cylinder, and a handle for facilitating the rotation of the threaded column is fixedly arranged at the top of the threaded column;

[0009] An adjustment mechanism is arranged on the base for fine-tuning the guide rope forward and backward.

[0010] In a possible design, the adjustment mechanism includes a concave plate, a threaded rod, a moving block and a rotating disk for facilitating the rotation of the threaded rod, the bottom of the concave plate is fixedly connected to the top of the base, one end of the threaded rod is rotatably connected to an inner wall of one side of the concave plate, the other end of the threaded rod passes through one side of the concave plate and is fixedly connected to one side of the rotating disk, the bottom of the moving block is slidably connected to the bottom inner wall of the concave plate, a threaded hole is provided on the moving block, and the threaded rod is threadedly connected to the threaded hole.

[0011] In a possible design, a bolt for fixing the movable column is threadedly connected to the concave column.

[0012] In a possible design, the bottom inner wall of the concave plate is provided with a slide groove for reducing friction generated when the moving block moves, and a slider is fixedly provided at the bottom of the moving block, and the bottom of the slider is slidably connected to the bottom inner wall of the slide groove.

[0013] In a possible design, the concave column and the movable column are both elliptical in shape.

[0014] In a possible design, a torsion bar is welded at one end of the bolt to facilitate rotation of the bolt.

[0015] In the present application, when in use, first use the GPS locator to determine the position of the support frame, place the base of the support frame at the position determined by the GPS locator, make the conical block penetrate into the ground, keep several support frames in the same straight line, and then pass the guide rope through the placement groove on each placement tube. After passing it through, turn the handle, the rotation of the handle drives the rotation of the threaded column, so that the threaded column is threaded in the placement tube, and the guide rope is squeezed downward, so that the guide rope can be pressed down and fixed to avoid sliding back and forth. When the height of the guide rope needs to be adjusted, turn the torsion bar, and the rotation of the torsion bar drives the rotation of the bolt, so that one end of the bolt releases the fixation of the moving column, and the moving column is pulled upward, and the moving column drives the movement of the guide rope in the placement tube. The movable column can be moved to adjust the height of the guide rope. After it is pulled to an appropriate height, the twist bar is rotated, and the rotation of the twist bar drives the rotation of the bolt, so that one end of the bolt is close to one side of the moving column, and the moving column can be fixed. Since the concave column and the moving column are elliptical, when the moving column is pulled, the moving column will not rotate in the concave column, and the position is limited. When it is necessary to fine-tune the guide rope forward and backward, the rotating disk is rotated, and the rotation of the rotating disk drives the rotation of the threaded rod, and the rotation of the threaded rod drives the movement of the moving block. The movement of the moving block drives the movement of the concave column and the moving column, and also drives the movement of the guide rope on the placement cylinder, so that the guide rope can be fine-tuned forward and backward, and there is no need to pick up the base to adjust it forward and backward, which is more convenient.

[0016] The beneficial effects of the present invention are:

[0017] In the utility model, the road surface construction line-laying support frame, through the adjustment mechanism, the rotation of the rotating disk drives the rotation of the threaded rod, the rotation of the threaded rod drives the movement of the moving block, the movement of the moving block drives the movement of the concave column and the moving column, and also drives the movement of the guide rope on the placement cylinder, so that the guide rope can be fine-tuned forward and backward, and there is no need to pick up the base for forward and backward adjustment, which is more convenient;

[0018] In the utility model, the guide rope can be finely adjusted forward and backward through the adjustment mechanism, so there is no need to lift up the base to adjust it forward and backward, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a road surface construction laying-out support frame proposed by the utility model;

[0020] Figure 2 This is a side structural schematic diagram of a road surface construction laying-out support frame proposed by the utility model;

[0021] Figure 3 This is a schematic structural diagram of a threaded column and a placement tube in a separated state of a road surface construction laying-out support frame proposed by the utility model;

[0022] Figure 4 The utility model is a partial structural schematic diagram of a road surface construction laying-out support frame proposed by the utility model.

[0023] In the figure: 1. base; 2. concave plate; 3. concave column; 4. moving column; 5. guide rope; 6. moving block; 7. handle; 8. threaded rod; 9. slide groove; 10. bolt; 11. placement cylinder; 12. placement groove; 13. threaded column. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Embodiment 1

[0026] Reference Figure 1-4 A support frame includes: a base 1, a concave column 3, a movable column 4, a guide rope 5, an adjustment mechanism and other parts. Base 1: A plurality of conical heads are fixedly arranged at the bottom of the base 1 for stably piercing the support frame into the ground. A concave column 3 is arranged at the top of the base 1.

[0027] Concave column 3: The inner wall of the concave column 3 is slidably connected to the movable column 4 for adjusting the position of the movable column 4 in the vertical direction. A threaded hole is provided on the concave column 3 for threaded connection with the bolt 10 to fix the movable column 4.

[0028] Moving column 4 : A placing cylinder 11 is fixedly provided at the top of the moving column 4 , and the moving column 4 can slide up and down in the concave column 3 to adjust the height of the guide rope 5 .

[0029] Placing tube 11: A placing groove 12 is provided on the placing tube 11 for placing the guide rope 5. The inner wall of the placing tube 11 is provided with an internal thread which is threadedly connected to the threaded column 13. The guide rope 5 can be pressed down and fixed by rotating the handle 7 of the threaded column 13.

[0030] Adjustment mechanism: includes a concave plate 2, a threaded rod 8, a moving block 6 and a rotating disk. The bottom of the concave plate 2 is fixedly connected to the top of the base 1. One end of the threaded rod 8 is rotatably connected to the inner wall of one side of the concave plate 2, and the other end is fixedly connected to one side of the rotating disk. The bottom of the moving block 6 is slidably connected to the bottom inner wall of the concave plate 2. The moving block 6 is provided with a threaded hole threadedly connected to the threaded rod 8. By rotating the rotating disk, the threaded rod 8 can be driven to rotate, and then the moving block 6 can be driven to move forward and backward in the horizontal direction, thereby realizing the front and rear fine-tuning of the guide rope 5.

[0031] This application is used in the field of road surface construction support, and can also be used in other fields applicable to this application. Example 2

[0032] refer to Figure 1-4 , based on the improvement of the first embodiment: a road surface construction line setting support frame, which is used in the field of road surface construction line setting support,

[0033] A slide groove 9 is provided on the bottom inner wall of the concave plate 2, and a slider is fixedly provided on the bottom of the moving block 6. The bottom of the slider is slidably connected to the bottom inner wall of the slide groove 9 to reduce the friction force generated by the moving block 6 when moving.

[0034] In addition, the shapes of the concave column 3 and the movable column 4 are both elliptical to enhance their structural stability. A torsion bar is welded at one end of the bolt 10 to facilitate construction workers to rotate the bolt 10 for fixing.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A road construction laying support frame, comprising a base (1) and a guide rope (5) for facilitating line drawing by personnel, characterized in that: The bottom of the base (1) is fixedly provided with a plurality of conical heads for piercing the ground, the top of the base (1) is provided with a concave column (3), the inner wall of the concave column (3) is slidably connected with a movable column (4) for adjusting the height of the guide rope (5), the top of the movable column (4) is fixedly provided with a placement cylinder (11), the placement cylinder (11) is provided with a placement groove (12) for placing the guide rope (5), the inner wall of the placement cylinder (11) is provided with an internal thread, the internal thread of the placement cylinder (11) is connected with a threaded column (13) for pressing down and fixing the guide rope (5), and the top of the threaded column (13) is fixedly provided with a handle (7) for facilitating the rotation of the threaded column (13); An adjustment mechanism is arranged on the base (1) and is used for fine-tuning the guide rope (5) forward and backward.

2. A road surface construction laying-out support frame according to claim 1, characterized in that: The adjusting mechanism comprises a concave plate (2), a threaded rod (8), a moving block (6) and a rotating disk for facilitating the rotation of the threaded rod (8); the bottom of the concave plate (2) is fixedly connected to the top of the base (1); one end of the threaded rod (8) is rotatably connected to an inner wall of one side of the concave plate (2); the other end of the threaded rod (8) passes through one side of the concave plate (2) and is fixedly connected to one side of the rotating disk; the bottom of the moving block (6) is slidably connected to the inner wall of the bottom of the concave plate (2); a threaded hole is provided on the moving block (6); and the threaded rod (8) is threadedly connected to the threaded hole.

3. A road surface construction laying-out support frame according to claim 1, characterized in that: The concave column (3) is threadedly connected with a bolt (10) for fixing the movable column (4).

4. A road surface construction laying-out support frame according to claim 2, characterized in that: The bottom inner wall of the concave plate (2) is provided with a slide groove (9) for reducing the friction force generated when the moving block (6) moves. The bottom of the moving block (6) is fixedly provided with a slider, and the bottom of the slider is slidably connected to the bottom inner wall of the slide groove (9).

5. A road surface construction laying-out support frame according to claim 1, characterized in that: The concave column (3) and the movable column (4) are both elliptical in shape.

6. A road surface construction laying-out support frame according to claim 3, characterized in that: A torsion bar is welded to one end of the bolt (10) to facilitate the rotation of the bolt (10).

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