Adjustable concrete padstone template preformed hole positioning device

Abstract

The utility model relates to the technical field of bridge construction, in particular to an adjustable concrete padstone template preformed hole positioning device which comprises a template, the template is of a rectangular frame structure, two bidirectional lead screws are installed on the two side edges of the top of the template respectively, the two bidirectional lead screws are vertically arranged, and the two bidirectional lead screws are connected with the template. The two ends of the two-way lead screw are rotationally connected to the top of the formwork through supports, sliding rods are installed on the other two side edges of the top of the formwork through supports, two positioning plates are installed between the sliding rods and the two-way lead screw which are arranged in parallel, and the four positioning plates are arranged to be in a # shape in a staggered mode. A sliding groove is formed in the middle of each positioning plate in the length direction, and a prefabricated steel cylinder is installed at the intersection position of the positioning plates. The utility model solves the problem that the construction quality safety is endangered due to the deviation of the positioning of the embedded bolt hole.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to an adjustable positioning device for reserved holes of concrete pier bearing pads. Background Technique

[0002] The bearing pad stone is used to adjust the deviation caused by construction between the pier and the bridge deck, and is also the main load-bearing body supporting the bridge deck. Due to the small supporting area, its concrete strength is generally higher than that of the pier concrete, and the steel bar content inside is also higher.

[0003] In traditional construction, due to the inconsistent sizes of the bearing pads in a bridge, the types of bearing seats to be embedded are inconsistent, and there will also be deviations in the positions of the embedded bolt holes; therefore, errors are extremely likely to occur during the construction process, endangering the construction quality and safety. Content of the Utility Model

[0004] In order to solve the problems of the above-mentioned existing technologies, the utility model provides an adjustable positioning device for reserved holes of concrete pier bearing pads, which solves the problem that the positioning of the embedded bolt holes is deviated, endangering the construction quality and safety.

[0005] To achieve the above object, the utility model provides the following technical solution: an adjustable positioning device for reserved holes of concrete pier bearing pads, including a template, the template is of a rectangular frame structure, two bidirectional lead screws are installed on each of the two side edges at the top of the template, the two bidirectional lead screws are vertically arranged, both ends of the bidirectional lead screw are rotationally connected to the top of the template through brackets, slide bars are installed on the other two side edges at the top of the template through brackets, two positioning plates are installed between the parallel slide bars and the bidirectional lead screws, the four positioning plates are staggered to form a "well" shape, a chute is opened in the middle of the positioning plate along the length direction, and a precast steel cylinder is installed at the intersection position of the positioning plates.

[0006] With the above structural design, the positioning plates are cross-set, and the formed limiting space is used to determine the specific position of the precast steel cylinder; its overall structure is simple, practical, applicable to the construction of various bridge bearing pads, and has the characteristics of high efficiency, convenience and accuracy.

[0007] Preferably, a slider is clamped at the intersection position of the positioning plates, the slider is of an "I" shape, a positioning screw is threadedly connected inside the slider, and the lower end of the positioning screw is fixedly connected to the precast steel cylinder.

[0008] With the above structural design, the precast steel cylinder is installed at the intersection position of the positioning plates through the cooperation of the slider and the positioning screw, and the connection is firm and the disassembly is convenient. By passing the positioning bolt through the length of the slider, the height control of the embedded bolt hole is realized.

[0009] Preferably, one ends of two said positioning plates arranged in parallel are symmetrically threadedly connected to the positive and negative threads of the bidirectional lead screw, and the other ends of the two said positioning plates are slidably connected to the slide rod.

[0010] With the above structural design, the positioning plate is adjusted by the bidirectional lead screw, and the position of the precast steel cylinder can be adjusted to make the device adapt to the embedded bolt holes of different sizes and positions.

[0011] Preferably, a hand wheel is fixedly connected to one end of the bidirectional lead screw.

[0012] Preferably, the four said positioning plates are arranged in two layers up and down, and the positioning plates in the same layer are at the same height.

[0013] With the above structural design, the positioning plates are arranged in two layers, so that the movement of the two layers of positioning plates is not restricted.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] The positioning plates are arranged in a cross shape, and the formed limiting space is used to determine the specific position of the precast steel cylinder; its overall structure is simple, practical, applicable to the construction of various bridge bearing pads, and has the characteristics of high efficiency, convenience and accuracy. The precast steel cylinder is installed at the intersection position of the positioning plates through the cooperation of the slider and the positioning screw, and the connection is firm and the disassembly is convenient. The height control of the embedded bolt hole is realized by passing the positioning bolt through the length of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the present utility model viewed from above;

[0017] Figure 2 It is a schematic connection diagram of the chute and the positioning screw of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figure 1-2, the present utility model provides a technical solution: an adjustable positioning device for reserved holes of concrete cushion stone templates, including a template 1, the template 1 is a rectangular frame structure, and a bidirectional screw rod 4 is installed on each of the two side edges at the top of the template 1. The two bidirectional screw rods 4 are vertically arranged, and both ends of the bidirectional screw rod 4 are rotatably connected to the top of the template 1 through a bracket 3. The bracket 3 is arranged on a bearing plate 2 fixedly connected to the side wall of the template 1. Slide rods 6 are installed on the other two side edges at the top of the template through brackets 3. Two positioning plates 7 are installed between the parallel slide rods 6 and the bidirectional screw rods 4. The four positioning plates 7 are staggered to form a "well" shape. A chute 8 is opened in the middle of the positioning plate 7 along the length direction, and a precast steel cylinder 9 is installed at the intersection position of the positioning plates 7. The positioning plates 7 are cross - arranged, and the formed limiting space is used to determine the specific position of the precast steel cylinder 9; its overall structure is simple, highly practical, applicable to the construction of various bridge cushion stones, and has the characteristics of high efficiency, convenience, and accuracy.

[0020] A slider 10 is clamped at the intersection position of the positioning plates 7. The slider 10 is in an "I" shape, and a positioning screw rod 11 is threadedly connected inside the slider 10. The lower end of the positioning screw rod 11 is fixedly connected to the precast steel cylinder 9. The precast steel cylinder 9 is installed at the intersection position of the positioning plates 7 through the cooperation of the slider 10 and the positioning screw rod 11, with firm connection and convenient disassembly and assembly. By limiting the length of the positioning bolt 11 passing through the slider 10, the height control of the embedded bolt hole is achieved.

[0021] One end of the two parallel positioning plates 7 is symmetrically threadedly connected to the positive and negative threads of the bidirectional screw rod 4, and the other end of the two positioning plates 7 is slidably connected to the slide rod 6. The positioning plates 7 are adjusted by the bidirectional screw rod 4, and the position of the precast steel cylinder 9 can be adjusted to make the device adapt to embedded bolt holes of different sizes and different positions.

[0022] One end of the bidirectional screw rod 4 is fixedly connected to a hand wheel 5.

[0023] The four positioning plates 7 are arranged in two layers up and down, and the positioning plates 7 in the same layer are at the same height. The positioning plates 7 are arranged in two layers so that the movement of the two - layer positioning plates 7 is not restricted.

[0024] Working principle: Construction workers position the embedded bolt holes by crossing the positioning plates 7 provided on the template 1, and then pass the positioning bolt with the precast steel cylinder 9 through the slider 10 from bottom to top, and then concrete can be poured.

[0025] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An adjustable positioning device for reserved holes of concrete cushion stone templates, comprising a template (1), characterized in that: The template (1) is of a rectangular frame structure. On each of the two side edges at the top of the template (1), a bidirectional lead screw (4) is installed. The two bidirectional lead screws (4) are vertically arranged. The two ends of the bidirectional lead screw (4) are rotatably connected to the top of the template (1) through brackets (3). On the other two side edges at the top of the template, slide rods (6) are installed through brackets (3). Between the parallel slide rods (6) and the bidirectional lead screws (4), two positioning plates (7) are installed. The four positioning plates (7) are staggered to form a "well" shape. A chute (8) is opened in the middle of the positioning plate (7) along the length direction. A precast steel cylinder (9) is installed at the intersection position of the positioning plates (7).

2. The positioning device for reserved holes of an adjustable concrete cushion stone formwork according to claim 1, wherein: A slider (10) is clamped at the intersection position of the positioning plates (7). The slider (10) is of an "I" shape. A positioning screw (11) is threadedly connected inside the slider (10). The lower end of the positioning screw (11) is fixedly connected to the precast steel cylinder (9).

3. The adjustable positioning device for reserved holes of concrete cushion stone formwork according to claim 1, characterized in that: One ends of the two parallel positioning plates (7) are symmetrically threadedly connected to the positive and negative threads of the bidirectional lead screw (4). The other ends of the two positioning plates (7) are slidably connected to the slide rod (6).

4. An adjustable positioning device for reserved holes of concrete cushion stone templates according to claim 1, characterized in that: One end of the bidirectional lead screw (4) is fixedly connected to a handwheel (5).

5. An adjustable positioning device for reserved holes of concrete cushion stone templates according to claim 1, characterized in that: The four positioning plates (7) are arranged in two layers up and down. The positioning plates (7) in the same layer are at the same height.

Images