Prefabricated concrete freestyle adjusting drawing die hole positioning tool

Abstract

The utility model relates to the field of positioning tools, in particular to a precast concrete freestyle adjusting drawing die hole positioning tool. The device comprises a base, a bidirectional threaded lead screw is arranged on the base, the bidirectional threaded lead screw is sleeved with a clamping arm in a threaded mode, the clamping arm is in sliding connection with the base, a clamping mechanism is arranged in the base and rotationally connected with a pull rod, a rotating cylinder is rotationally installed on one side of the base, a supporting rod is in threaded connection with the interior of the rotating cylinder, and a sliding groove is formed in the base; by arranging the clamping arms, the limiting assemblies and the mounting rods, the clamping arms are used in cooperation with the two-way threaded lead screws, and the problems that when an existing prefabricated stair is mounted, stability is low, accurate positioning cannot be achieved, and mounting risks exist can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of die hole positioning tooling, in particular to a free-style adjustment die hole positioning tooling for precast concrete. Background Art

[0002] Precast concrete components, such as wall panels, floor slabs, stairs, etc., include architectural elements of various shapes and sizes such as beams, slabs, columns, walls, stairs, balconies, as well as building decoration accessories; the application field of precast concrete components is very wide, and they play an important role in the construction, transportation, water conservancy and other industries. They have the advantages of industrialized production, good structural performance and fast construction speed.

[0003] During the hoisting process of prefabricated stairs, although the crane can accurately deliver the stairs to the designated location, during the positioning phase, construction workers often rely on hooks to manually pull and adjust to ensure the precise alignment of the die holes and the embedded screw rods. However, this manual pulling method is not only unstable and increases installation risks, but also makes it difficult to accurately position the die holes. To ensure construction safety and accuracy, more effective positioning methods are needed.

[0004] Therefore, the utility model provides a precast concrete free-style adjustment die hole positioning tool to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a precast concrete free-style adjustment die hole positioning tool to solve the problems of low stability, inability to accurately position and installation risks of existing precast stairs proposed in the background art during installation.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a precast concrete free-style adjustment die hole positioning tool, comprising a base, the base is provided with a bidirectional threaded screw, the two ends of the bidirectional threaded screw are symmetrically provided with clamping arms, and the clamping arms are slidably connected to the base, a locking mechanism is provided in the base, the locking mechanism is rotatably connected to the pull rod, a rotating drum is rotatably installed on one side of the base, the inner thread of the rotating drum is connected to the support rod, and a sliding groove is provided in the base. By providing the clamping arms, the entire positioning tool can be pre-installed before the precast stairs are hoisted, and the rotation of the bidirectional threaded screw automatically causes the clamping arms to move toward each other to clamp the stairs; one end of the pull rod is provided in the shape of a ball head, which is convenient for free adjustment and locking in multiple directions when the precast stairs are pulled; and a support rod is provided, and by rotating the rotating arm, the support rod is pressed against the wall next to it, so that the precast stairs can be fixed and fine-tuned.

[0007] As a further improvement to the present technical solution, the engaging mechanism includes a card box, a card slot is provided in the card box, a limiting assembly is fixedly connected to the inner wall of the card slot, a ball head is fixedly connected to the top of the pull rod, the ball head is adapted to the top of the card slot, and a spherical cavity is provided inside the card slot, forming a gap with the ball head. By providing a limiting assembly, the pull rod can be installed and disassembled more conveniently. When the prefabricated stairs are delivered to the designated position, the ball head at the top of the pull rod is inserted into the card slot. Under the limiting action of the limiting assembly, the ball head can only rotate within the card slot. Therefore, at this time, only the pull rod needs to be pulled to achieve the pulling of the pre-supported stairs.

[0008] As a further improvement to the present technical solution, the limit assembly includes a limit box fixedly connected to the card box, a wedge slidably connected to the limit box, one end of the wedge located in the limit box is fixedly connected to one end of the spring, the other end of the wedge extends outside the limit box and is configured as a wedge-shaped structure, the other end of the spring is fixedly connected to the inner wall of the limit box, both sides of the wedge are fixedly connected to a first limit block, both sides of the inner wall of the limit box are fixedly connected to a second limit block, and the second limit block is located on the side of the first limit block away from the spring. By providing a wedge-shaped wedge at the top of the limit assembly, it is convenient to squeeze the wedge when the ball head is inserted into the card slot, and at the same time, the ball head is restricted to rotating only within the card slot after being inserted.

[0009] As a further improvement of the present technical solution, a through opening is provided in the base, and the support rod is slidably connected to the base through the through opening.

[0010] As a further improvement of the present technical solution, a rotating arm is fixedly connected to the rotating drum, and the end of the support rod away from the base is configured to be disc-shaped.

[0011] As a further improvement of this technical solution, handles are fixedly connected on both sides of the base; by providing handles, the prefabricated stairs can be moved with the handles when they reach the safe operating distance for workers, making it easier to make final fine-tuning of the prefabricated stairs through the support rods.

[0012] As a further improvement of the present technical solution, the sliding groove is adapted to the bottom end of the clamping arm and are both T-shaped, and the opening direction of the sliding groove is parallel to the axial direction of the bidirectional screw rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By setting up the clamping arm, the entire positioning tooling can be pre-installed before hoisting the prefabricated stairs. By rotating the bidirectional threaded screw, the clamping arms are automatically moved toward each other to clamp the stairs. One end of the pull rod is set in the shape of a ball head, which is convenient for free adjustment and engagement in multiple directions when pulling the prefabricated stairs. By setting up the support rod, the support rod is pressed against the wall next to it by rotating the rotating arm, so that the prefabricated stairs can be fixed and slightly adjusted. By setting up the limit assembly, the pull rod can be installed and disassembled more conveniently, and the prefabricated stairs can be sent to the top of the designated position. When the staircase is lifted up, the ball head at the top of the pull rod is inserted into the slot. Under the limiting action of the limiting assembly, the ball head can only rotate in the slot. Therefore, at this time, you only need to pull the pull rod to pull the pre-supported stairs. The top of the limiting assembly is set as a wedge-shaped wedge, which is convenient for squeezing the wedge when the ball head is inserted into the slot, and at the same time limits the ball head to rotate only in the slot after it is inserted. Handles are set at both ends of the base. When the prefabricated stairs reach the safe operating distance of the workers, the handles can be used to move them, which makes it easier to make final fine-tuning of the prefabricated stairs through the support rods. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a front view of the overall structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the side structure of the base of the utility model;

[0018] Figure 4 This is a cross-sectional view of the limit assembly of the present utility model.

[0019] The meaning of each number in the figure is:

[0020] 1. Base; 2. Clamping arm; 3. Bidirectional screw; 4. Clamping mechanism; 5. Pull rod; 6. Rotating drum; 7. Rotating arm; 8. Support rod; 9. Slide; 10. Handle; 11. Port

[0021] 41. Card box; 42. Limit assembly; 43. Ball head; 44. Card slot;

[0022] 421. Wedge; 422. Limit box; 423. First limit block; 424. Second limit block; 425. Spring. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0024] like Figure 1-Figure 4As shown, this embodiment provides a precast concrete free-style adjustment die hole positioning tooling, including a base 1, the base 1 is provided with a bidirectional threaded screw 3, the bidirectional threaded screw 3 is symmetrically provided with clamping arms 2 at both ends, and the clamping arms 2 are slidingly connected to the base 1, a locking mechanism 4 is provided in the base 1, the locking mechanism 4 is rotatably connected to the pull rod 5, a rotating drum 6 is rotatably installed on one side of the base 1, the rotating drum 6 is threadedly connected to a support rod 8, and a sliding groove 9 is provided in the base 1.

[0025] First, the specific structure of the locking mechanism 4 is disclosed. The locking mechanism 4 includes a card box 41, a card slot 44 is opened in the card box 41, the inner wall of the card slot 44 is fixedly connected to the limiting component 42, and the top of the pull rod 5 is fixedly connected to the ball head 43, the ball head 43 is adapted to the top of the card slot 44, and a spherical cavity is provided inside the card slot 44, and a gap is formed with the ball head 43.

[0026] According to the above disclosure of the specific structure of the limit assembly 42, the limit assembly 42 includes a limit box 422 fixedly connected to the card box 41, a wedge 421 is slidably connected to the limit box 422, one end of the wedge 421 is located in the limit box 422 and is fixedly connected to one end of the spring 425, the other end of the wedge 421 extends to the outside of the limit box 422 and is set to a wedge-shaped structure, the other end of the spring 425 is fixedly connected to the inner wall of the limit box 422, and both sides of the wedge 421 are fixedly connected to the first limit The inner walls of both sides of the limit box 422 are fixedly connected with second limit blocks 424, and the second limit blocks 424 are located on the side of the first limit block 423 away from the spring 425. When the wedge block 421 slides into the limit box 422, the first limit block 423 slides into the limit box 422 along with the wedge block 421, away from the first limit block 424. When the wedge block 421 is reset, the second limit block 424 limits the first limit block 423 to prevent the wedge block 421 from sliding out of the limit box 422.

[0027] Since the wedge block 421 is a wedge-shaped structure, when the pull rod 5 inserts the end with the ball head 43 into the slot 44, the wedge block 421 will be squeezed into the limit box 422. Once it is locked, the wedge block 421 will reset under the action of the spring 425, limiting the ball head 43 to prevent it from falling off.

[0028] According to the above disclosure of the specific structure of the base 1 , a through opening 11 is opened in the base 1 , and the support rod 8 is slidably connected to the base 1 through the through opening 11 ; handles 10 are fixedly connected to both sides of the base 1 .

[0029] According to the above disclosure of the specific structure of the rotating drum 6 , a rotating arm 7 is fixedly connected to the rotating drum 6 , and the end of the support rod 8 away from the base 1 is set in a disc shape.

[0030] According to the above disclosure of the specific structure of the slide groove 9 , the slide groove 9 is adapted to the bottom end of the clamping arm 2 and both are T-shaped structures. The opening direction of the slide groove 9 is parallel to the axial direction of the bidirectional screw rod 3 .

[0031] The specific working principle is as follows:

[0032] When the staircase is lifted up to the designated position, the crane 10 is used to align the two clamping arms 2 with one end of the staircase. The crane then holds the handle 10 with one hand and rotates the two-way screw rod 3 with the other hand until the clamping arm 2 clamps the staircase. At this time, the rotating arm 7 is rotated to adjust the position of the support rod 8 so that the end without the disc is retracted into the base 1. When the staircase is delivered to the designated position, the ball head 43 at the top of the pull rod 5 is engaged with the slot 44. Under the limiting action of the limiting assembly 42, the ball head 43 can only rotate in the slot 44. Therefore, at this time, it is only necessary to pull the pull rod 5 to achieve the initial positioning of the staircase. When the staircase is pulled to the safe operating range of the workers, the workers should use the handle 10 to stabilize the staircase and rotate the rotating arm 7 at the same time to drive the rotating drum 6 to rotate. Since the rotating drum 6 is rotatably connected to the base 1 and is threadedly connected to the support rod 8, the rotation of the rotating drum 6 drives the support rod 8 to move so that the end with the disc is finally When the staircase is in the correct position, the lifting device 10 is turned, and the lifting device 10 is turned, and the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned. When the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned, the lifting device 10 is turned, and the lifting device 10 is turned

[0033] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A precast concrete free-style adjustment die hole positioning tool, characterized by: The invention comprises a base (1), wherein a bidirectional threaded screw (3) is provided on the base (1), clamping arms (2) are symmetrically provided at both ends of the bidirectional threaded screw (3), and the clamping arms (2) are slidably connected to the base (1), a locking mechanism (4) is provided in the base (1), and the locking mechanism (4) is rotatably connected to the pull rod (5), a rotating drum (6) is rotatably installed on one side of the base (1), and a support rod (8) is connected to the inner thread of the rotating drum (6), and a sliding groove (9) is provided in the base (1).

2. The precast concrete free-style adjustment die hole positioning tool according to claim 1, characterized in that: The locking mechanism (4) includes a card box (41), a card slot (44) is provided in the card box (41), the inner wall of the card slot (44) is fixedly connected to a limiting component (42), the top end of the pull rod (5) is fixedly connected to a ball head (43), the ball head (43) is adapted to the top end of the card slot (44), and a spherical cavity is provided inside the card slot (44) to form a gap with the ball head (43).

3. The precast concrete free-style adjustment die hole positioning tool according to claim 2, characterized in that: The limiting assembly (42) includes a limiting box (422) fixedly connected to the card box (41), a wedge block (421) being slidably connected to the limiting box (422), one end of the wedge block (421) located in the limiting box (422) being fixedly connected to one end of a spring (425), the other end of the wedge block (421) extending outside the limiting box (422) and being configured as a wedge-shaped structure, the other end of the spring (425) being fixedly connected to the inner wall of the limiting box (422), first limiting blocks (423) being fixedly connected to both sides of the wedge block (421), and second limiting blocks (424) being fixedly connected to both sides of the inner wall of the limiting box (422), and the second limiting block (424) being located on a side of the first limiting block (423) away from the spring (425).

4. The precast concrete free-style adjustment die hole positioning tool according to claim 1, characterized in that: A through opening (11) is provided in the base (1), and the support rod (8) is slidably connected to the base (1) through the through opening (11).

5. The precast concrete free-style adjustment die hole positioning tool according to claim 1, characterized in that: A rotating arm (7) is fixedly connected to the rotating drum (6), and one end of the supporting rod (8) away from the base (1) is configured in a disc shape.

6. The precast concrete free-style adjustment die hole positioning tool according to claim 1, characterized in that: The slide groove (9) is adapted to the bottom end of the clamping arm (2) and both are T-shaped structures, and the opening direction of the slide groove (9) is parallel to the axial direction of the bidirectional threaded screw (3).

Images