Steel strand hole guiding device for steel-concrete combined tower

Abstract

The utility model belongs to the technical field of steel-concrete combined tower construction, and particularly relates to a steel strand hole guiding device for a steel-concrete combined tower. Comprising a guide bracket and an inclined strut bracket, wherein the guide bracket comprises a steel strand supporting part and a steel strand leading-in part; the steel strand supporting part is provided with a top face opening and a front-back-through first linear guide groove. The steel strand guiding-in part is provided with a top face opening and a front-back-through second linear guide groove. The steel strand leading-in part is connected with the steel strand supporting part, so that the second linear guide groove is aligned with the first linear guide groove in the extension direction of the first linear guide groove; the inclined strut bracket is connected with the steel strand supporting part; the utility model solves the problems that the combination of multiple strands and multiple bundles of steel strands cannot stand by itself, and the installation of the steel box body wastes time and labor. The device has the characteristics of simplicity in operation, time and labor conservation, safety, reliability and high working efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel-concrete combined tower construction, and in particular relates to a steel strand lead-in hole device for a steel-concrete combined tower. Background Art

[0002] like Figure 1 As shown: when the steel box of the steel-concrete combined tower is connected to the concrete main tower, multiple bundles of steel strands are heavy and tough, and cannot be inserted manually as a whole strand. Inserting them bundle by bundle is time-consuming and labor-intensive, requires a lot of equipment, a large number of workers, and low construction efficiency, making it difficult to guarantee the quality of on-site installation. Utility Model Content

[0003] The utility model aims to solve the problem that the steel strands in the combined section of the steel-concrete combined tower are numerous and tough, and the steel strands cannot be inserted into the predetermined holes as a whole when the steel box is installed, and manual insertion is time-consuming and laborious.

[0004] The utility model provides the following technical scheme: a steel-concrete combined tower steel strand lead-in device, comprising a guide bracket and a diagonal support bracket, the guide bracket comprising a steel strand support portion and a steel strand introduction portion; the steel strand support portion is provided with a first linear guide groove with a top surface opening and passing through front and back, and the steel strand introduction portion is provided with a second linear guide groove with a top surface opening and passing through front and back; the steel strand introduction portion is connected to the steel strand support portion so that the second linear guide groove is aligned with the first linear guide groove in the extension direction of the first linear guide groove; the diagonal support bracket is connected to the steel strand support portion.

[0005] Furthermore, it also includes a length adjustment rod, the diagonal brace bracket is connected to the steel strand support part through a first hinge joint, one end of the length adjustment rod is connected to the steel strand support part through a second hinge joint, and the other end of the length adjustment rod is connected to the diagonal brace bracket through a third hinge joint. The connecting line of the first hinge joint, the second hinge joint, and the third hinge joint is a triangle, and the length adjustment rod is extended or shortened to change the angle between the diagonal brace bracket and the steel strand support part.

[0006] Furthermore, the length adjustment rod includes a sleeve, a first screw and a second screw. The first screw enters from the first pipe opening of the sleeve and is screwed into the sleeve thread. The second screw enters from the second pipe opening of the sleeve and is screwed into the sleeve thread. The rotation directions of the first screw and the second screw are opposite. The first screw is connected to the second articulated joint, and the second screw is connected to the third articulated joint.

[0007] Furthermore, the diagonal support bracket includes two legs, the upper ends of the two legs are close together and the lower ends are forked, the upper ends of the two legs are connected to the first hinge joint, a cross bar is connected between the two legs, and the third hinge joint is located in the middle of the cross bar.

[0008] Furthermore, the steel strand support portion is a channel steel, the steel strand introduction portion is an angle steel, and the channel steel and the angle steel are welded to each other.

[0009] Furthermore, the first articulated joint, the second articulated joint and the third articulated joint all include a nut and a pin, and the pin is rotatably inserted into the nut.

[0010] Compared with the prior art, the advantages of the present invention are:

[0011] The utility model provides a steel-concrete combined tower steel strand lead-in hole device, which uses channel steel as a fixed body, angle steel as a guide, and the angle of the guide bracket is adjustable, so that the steel strand can be fixed according to the designed position before the steel box is installed. It can be quickly put in place during installation. It solves the problem that multiple strands and bundles of steel strands cannot be self-supporting, and the installation of the steel box is time-consuming and labor-intensive. The utility model has the characteristics of simple operation, time-saving and labor-saving, safety and reliability, and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the connection between the steel box and the concrete main tower;

[0013] Figure 2 It is an axonometric drawing of the utility model;

[0014] Figure 3 It is a front view of the utility model;

[0015] Figure 4 It is a side view of the utility model;

[0016] Figure 5 It is a schematic diagram of the use of the utility model.

[0017] In the figure: 1-steel strand support part; 1.1-first linear guide groove; 2-steel strand introduction part; 2.1-second linear guide groove; 3-diagonal support bracket; 3.1-support leg; 3.2-cross bar; 4-first articulated joint; 5-second articulated joint; 6-third articulated joint; 7-sleeve; 8-first screw; 9-second screw; 10-steel box; 11-steel strand. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] like Figure 2 , Figure 3 , Figure 4As shown: a steel strand lead-in device for a steel-concrete combined tower, comprising a guide bracket and a diagonal support bracket 3, the guide bracket comprising a steel strand support portion 1 and a steel strand introduction portion 2; the steel strand support portion 1 has a first linear guide groove 1.1 with an opening on the top surface and extending from front to back, and the steel strand introduction portion 2 has a second linear guide groove 2.1 with an opening on the top surface and extending from front to back; the steel strand introduction portion 2 is connected to the steel strand support portion 1 so that the second linear guide groove 2.1 is aligned with the first linear guide groove 1.1 in the extension direction of the first linear guide groove 1.1; the diagonal support bracket 3 is connected to the steel strand support portion 1.

[0020] It also includes a length adjustment rod. The diagonal support bracket 3 is connected to the steel strand support part 1 through a first hinge joint 4. One end of the length adjustment rod is connected to the steel strand support part 1 through a second hinge joint 5. The other end of the length adjustment rod is connected to the diagonal support bracket 3 through a third hinge joint 6. The connecting line of the first hinge joint 4, the second hinge joint 5, and the third hinge joint 6 is a triangle. The length adjustment rod is extended or shortened to change the angle between the diagonal support bracket 3 and the steel strand support part 1.

[0021] The length adjustment rod is used to control the angle of the guide bracket, and the stability of the triangle is used to accurately control the position of the top end of the steel strand.

[0022] The length adjustment rod includes a sleeve 7, a first screw 8 and a second screw 9. The first screw 8 enters from the first pipe opening of the sleeve 7 and is threadedly engaged with the sleeve 7. The second screw 9 enters from the second pipe opening of the sleeve 7 and is threadedly engaged with the sleeve 7. The rotation directions of the first screw 8 and the second screw 9 are opposite. The first screw 8 is connected to the second articulated joint 5, and the second screw 9 is connected to the third articulated joint 6. When the sleeve 7 is rotated, the first screw 8 and the second screw 9 are synchronously extended or retracted from the sleeve 7, and the overall length of the length adjustment rod increases or decreases.

[0023] The diagonal support bracket 3 includes two legs 3.1, the upper ends of the two legs 3.1 are close together and the lower ends are separated, the upper ends of the two legs 3.1 are connected to the first hinge joint 4, a cross bar 3.2 is connected between the two legs 3.1, and the third hinge joint 6 is located in the middle of the cross bar 3.2.

[0024] The steel strand support part 1 is a channel steel, and the steel strand introduction part 2 is an angle steel, and the channel steel and the angle steel are welded and connected. The channel steel and the angle steel are relatively light in weight, high in strength, reusable, easy to move, and time-saving.

[0025] The first articulated joint 4, the second articulated joint 5 and the third articulated joint 6 all include nuts and pins. The nuts are welded to the steel strand support portion 1, the steel strand introduction portion 2 and the guide bracket, and the pins are rotatably inserted into the nuts.

[0026] like Figure 5 As shown: The use process of the steel-concrete combined tower steel strand hole guiding device is as follows:

[0027] 1. Use a tower crane to lift a whole strand of steel strands composed of multiple bundles of steel strands from a naturally drooping state to the approximate designed position.

[0028] 2. Place the steel strand hole-guiding device of the steel-concrete combined tower under the steel strand bundle; the bottom of the steel strand support part 1 is close to the root of the whole steel strand, and the steel strand introduction part 2 is facing upward. Adjust the length of the length adjustment rod to adjust the angle of the guide bracket until the guide bracket is parallel to the designed position of the steel strand. The crane drops the hook, and the whole steel strand is placed above the guide bracket, with the upper end placed on the steel strand introduction part 2.

[0029] 3. Install the steel box 10, equip the steel box 10 with lifting ropes according to the designed angle and lift it above the concrete main tower. Use the traction rope to adjust the plane position, adjust the height of the crane, and slowly insert it obliquely downward into the steel strand area. After the steel strand introduction part 2 and the steel strand enter the designed hole, the end of the steel strand is pressed on the steel box 10 with a certain support and will not fall. Shorten the length adjustment rod to unload the force of the steel-concrete combined tower steel strand hole device, then the steel strand introduction part 2 can be pulled out from the steel box 10, and the steel-concrete combined tower steel strand hole device can be put away for next use.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steel-concrete combined tower steel strand lead hole device, characterized in that: The invention comprises a guide bracket and a diagonal support bracket (3), wherein the guide bracket comprises a steel strand support portion (1) and a steel strand introduction portion (2); the steel strand support portion (1) is provided with a first linear guide groove (1.1) with an opening on the top surface and extending from front to back, and the steel strand introduction portion (2) is provided with a second linear guide groove (2.1) with an opening on the top surface and extending from front to back; the steel strand introduction portion (2) is connected to the steel strand support portion (1) so that the second linear guide groove (2.1) is aligned with the first linear guide groove (1.1) in the extension direction of the first linear guide groove (1.1); and the diagonal support bracket (3) is connected to the steel strand support portion (1).

2. The steel-concrete combined tower steel strand hole-guiding device according to claim 1 is characterized in that: The invention also comprises a length adjustment rod, wherein the diagonal brace bracket (3) is connected to the steel strand support portion (1) via a first hinge joint (4), one end of the length adjustment rod is connected to the steel strand support portion (1) via a second hinge joint (5), and the other end of the length adjustment rod is connected to the diagonal brace bracket (3) via a third hinge joint (6); the connecting line of the first hinge joint (4), the second hinge joint (5), and the third hinge joint (6) is a triangle, and the length adjustment rod is extended or shortened to change the angle between the diagonal brace bracket (3) and the steel strand support portion (1).

3. The steel strand hole-guiding device for a steel-concrete combined tower according to claim 2 is characterized in that: The length adjustment rod comprises a sleeve (7), a first screw (8) and a second screw (9); the first screw (8) enters from a first pipe opening of the sleeve (7) and is screwed with the sleeve (7); the second screw (9) enters from a second pipe opening of the sleeve (7) and is screwed with the sleeve (7); the first screw (8) and the second screw (9) have opposite rotation directions; the first screw (8) is connected to the second articulated joint (5) and the second screw (9) is connected to the third articulated joint (6).

4. The steel strand hole-guiding device for a steel-concrete combined tower according to claim 2 or 3, characterized in that: The diagonal support bracket (3) comprises two legs (3.1), the upper ends of the two legs (3.1) are close together and the lower ends are separated, the upper ends of the two legs (3.1) are connected to the first hinge joint (4), a cross bar (3.2) is connected between the two legs (3.1), and the third hinge joint (6) is located in the middle of the cross bar (3.2).

5. The steel strand hole-guiding device for a steel-concrete combined tower according to claim 1 is characterized in that: The steel strand support part (1) is a channel steel, the steel strand introduction part (2) is an angle steel, and the channel steel and the angle steel are connected by welding.

6. The steel strand hole-guiding device for a steel-concrete combined tower according to claim 3 is characterized in that: The first articulated joint (4), the second articulated joint (5) and the third articulated joint (6) all comprise a nut and a pin, and the pin is rotatably inserted into the nut.

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