CN219095465U

CN219095465U - Adjustable positioning and limiting device for assembled prefabricated stair connecting steel bars

Info

Publication number: CN219095465U
Application number: CN202222874598.XU
Authority: CN
Inventors: 黄轩安; 史月霞; 陈可楠; 殷平雪
Original assignee: Zhejiang Xinsheng Construction Group Co ltd
Current assignee: Zhejiang Xinsheng Construction Group Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-30
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an adjustable positioning limiting device for connecting steel bars of an assembled prefabricated staircase, which comprises a transverse bracket and vertical brackets arranged at two ends of the transverse bracket, wherein a positioning bracket parallel to the transverse bracket is arranged between the two vertical brackets, the two ends of the positioning bracket are respectively connected with the vertical brackets in a sliding manner, and the transverse bracket and the positioning bracket can stretch left and right so as to adjust the distance between the two vertical brackets. The beneficial effects of the utility model are as follows: 1) The device can be adjusted according to the span of the bench, the height of the bench and the like, is suitable for different projects, and can be repeatedly used; 2) The device is convenient for site operation, improves positioning flexibility, can be recycled, reduces cost and reduces pollution.

Description

Adjustable positioning and limiting device for assembled prefabricated stair connecting steel bars

Technical Field

The utility model relates to the technical field of building construction, in particular to an adjustable positioning and limiting device for an assembled prefabricated staircase connecting steel bar.

Background

The prefabricated concrete stairway is one of the main forms of the prefabricated concrete construction in China, and is the most common part of the prefabricated concrete construction. The construction quality of the reinforced bar connection nodes of the precast concrete stairway is a key influencing factor of the construction quality of the precast stairway.

The steel bar positioning and limiting site construction of the steel bar connection node of the precast concrete stair are complicated and difficult, the site positioning is generally carried out by using a total station or a meter ruler, and the meter ruler depends on the reference of peripheral paying-off points, so that larger paying-off errors are often caused; the positioning mode of the assembled stairway commonly used on site adopts steel bar welding positioning or wood pattern positioning, and is characterized in that the steel bars are directly welded on a stressed steel bar net sheet for limiting, or the wood pattern is used for installing and positioning, and the steel bar welding or wood pattern positioning is easy to generate pollution. In addition, the wood pattern is difficult to position, install, fix and turn over, cannot be reused, is easy to generate resource waste, cannot be shared by different projects, and is easy to cause and waste resources. And the construction efficiency of the two methods is lower. There is a need to develop a device for positioning and limiting connecting steel bars of precast concrete stairway, which is adjustable in width and capable of being used for various stairways, and is simple and easy to position and limit in construction and high in efficiency, and the problems are solved.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the adjustable positioning and limiting device for the connecting steel bars of the prefabricated stairway, which is reasonable in structural design.

The technical scheme of the utility model is as follows:

the utility model provides an adjustable location stop device of assembled prefabricated staircase connecting reinforcement, includes horizontal support and sets up the vertical support in horizontal support both ends position department, two be equipped with between the vertical support with the parallel locating support of horizontal support, locating support's both ends position respectively with vertical support sliding connection, horizontal support and locating support homoenergetic are left and right flexible to adjust two distance between the vertical support.

Further, the vertical support is provided with a pressing plate assembly, and the pressing plate assembly can move up and down along the vertical support and is locked and fixed.

Further, two ends of the positioning bracket are in sliding connection with the upper part of the vertical bracket through a first sliding sleeve; the positioning support is provided with a second sliding sleeve, the second sliding sleeve is provided with positioning steel bars, and the positioning steel bars are driven to horizontally move on the positioning support through the second sliding sleeve.

Further, the vertical support adopts a U-shaped structure and comprises a vertical rod, an upper vertical rod arranged at one end of the vertical rod and a lower vertical rod arranged at the other end of the vertical rod, and a vertical chute for mounting the pressing plate assembly is formed in the vertical rod.

Further, a pipe clamp is arranged on the second sliding sleeve and is connected with a positioning steel bar through the pipe clamp.

Further, the transverse bracket has the same structure as the positioning bracket and comprises an outer sleeve, an inner sleeve and a locking screw; the inner sleeve is matched with the outer sleeve, the inner sleeve and the outer sleeve can slide relatively, and the locking screw is arranged at one end of the outer sleeve and used for locking the inner sleeve and the outer sleeve.

Further, the pressing plate assembly comprises a pressing plate, a locking screw, a threaded rod and an adjusting nut; the threaded rod is arranged in parallel with the vertical rod, the bottom of the threaded rod is fixedly connected with the lower vertical rod, the top of the threaded rod penetrates through the pressing plate, an adjusting nut is arranged, and the locking screw penetrates through the vertical sliding groove and is in threaded connection with the end part of the pressing plate.

Further, locking screws are respectively arranged on the first sliding sleeve and the second sliding sleeve.

Further, a reinforcing rod is further arranged between the threaded rod and the vertical rod.

The beneficial effects of the utility model are as follows:

1) The device can be adjusted according to bench span, bench height etc. and adapts to different projects, and repeatedly usable.

2) The device is convenient for site operation, improves positioning flexibility, can be recycled, reduces cost and reduces pollution.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall construction of the present utility model;

in the figure: 1. a transverse bracket; 101. an outer sleeve; 102. an inner sleeve; 2. a vertical bracket; 201. a vertical rod; 202. an upper vertical bar; 203. a lower vertical bar; 3. a positioning bracket; 4. positioning reinforcing steel bars; 5. a platen assembly; 501. a pressing plate; 502. a threaded rod; 503. an adjusting nut; 504. a reinforcing rod; 6. a first sliding sleeve; 7. a locking screw; 8. the second sliding sleeve; 9. and (5) pipe clamps.

Detailed Description

The utility model is further described below with reference to the drawings.

As shown in fig. 1-2, an adjustable positioning and limiting device for an assembled prefabricated stair connecting steel bar comprises a transverse bracket 1, an outer sleeve 101, an inner sleeve 102, a vertical bracket 2, a vertical rod 201, an upper vertical rod 202, a lower vertical rod 203, a positioning bracket 3, a positioning steel bar 4, a pressing plate assembly 5, a pressing plate 501, a threaded rod 502, an adjusting nut 503, a reinforcing rod 504, a first sliding sleeve 6, a locking screw 7, a second sliding sleeve 8 and a pipe clamp 9.

The transverse bracket 1 is arranged between the two vertical brackets 2, two ends of the transverse bracket 1 are respectively welded and fixed with the vertical brackets 2, a positioning bracket 3 parallel to the transverse bracket 1 is arranged between the two vertical brackets 2, two end positions of the positioning bracket 3 are respectively connected with the vertical brackets 2 in a sliding manner, and thus the positioning bracket 3 can longitudinally move in the vertical brackets 2.

The transverse support 1 and the positioning support 3 can be stretched left and right, so that the distance between the two vertical supports 2 is adjusted to adapt to different stair sizes, and the universality of the device is improved; in the embodiment, the transverse bracket 1 has the same structure as the positioning bracket 3 and comprises an outer sleeve 101, an inner sleeve 102 and a locking screw 7; the inner sleeve 102 is arranged in the outer sleeve 101 in a matching way, the inner sleeve and the outer sleeve can slide relatively, and the locking screw 7 is arranged at one end of the outer sleeve 101 and used for locking the inner sleeve and the outer sleeve.

The vertical support 2 adopts a U-shaped structure and comprises a vertical rod 201, an upper vertical rod 202 arranged at one end of the vertical rod 201 and a lower vertical rod 203 arranged at the other end of the vertical rod 201, a vertical sliding groove 204 used for installing the pressing plate assembly 5 is formed in the vertical rod 201, and a stair pouring template is arranged in a gap between the U-shaped structures and is installed through the pressing plate assembly 5.

The two ends of the positioning bracket 3 are in sliding connection with the upper longitudinal rod 202 of the vertical bracket 2 through the first sliding sleeve 6; two second sliding sleeves 8 are arranged on the positioning support 3, positioning steel bars 4 are arranged on the second sliding sleeves 8, and the positioning steel bars 4 are driven to horizontally move on the positioning support 3 through the second sliding sleeves 8. Specifically, a pipe clamp 9 is welded on the second sliding sleeve 8, and the positioning steel bar 4 is connected through the pipe clamp 9.

The first sliding sleeve 6 and the second sliding sleeve 8 are respectively provided with a locking screw 7 for locking and fixing the sliding sleeve, thereby realizing the accurate positioning of the positioning steel bar 4.

In order to ensure that the vertical support 2 can be installed on a stair template, a pressing plate assembly 5 is arranged on the vertical support 2, and the pressing plate assembly 5 can move up and down along the vertical support 2 and is locked and fixed.

In this embodiment: the pressing plate assembly 5 comprises a pressing plate 501, a locking screw 7, a threaded rod 502 and an adjusting nut 503; the threaded rod 502 is arranged in parallel with the vertical rod 201, the bottom of the threaded rod 502 is fixedly connected with the lower vertical rod 203, the top of the threaded rod 502 passes through the pressing plate 501, an adjusting nut 503 is arranged, and the locking screw 7 passes through the vertical sliding groove 204 and is in threaded connection with the end part of the pressing plate 501.

In order to ensure the stability of the threaded rod 502, a reinforcing rod 504 is also welded between the threaded rod 502 and the vertical rod 201.

The device is firstly placed on a stair pouring wood template during installation, a transverse support, a positioning support and a pressing plate assembly are adjusted, the device is fixed on the wood template, corresponding screws and nuts are locked, positioning steel bars on a second sliding sleeve are moved to a preset position, the steel bars are fixed, and after the stair pouring is completed, the device is removed and can be recycled.

Claims

1. The utility model provides an adjustable location stop device of prefabricated stairway connecting reinforcement, its characterized in that includes horizontal support (1) and sets up vertical support (2) in horizontal support (1) both ends position department, two be equipped with between vertical support (2) with horizontal support (1) parallel locating support (3), the both ends position of locating support (3) respectively with vertical support (2) sliding connection, horizontal support (1) and locating support (3) homoenergetic are left and right flexible to adjust two distance between vertical support (2).

2. The adjustable positioning and limiting device for the prefabricated staircase connecting steel bar is characterized in that a pressing plate assembly (5) is arranged on the vertical support (2), and the pressing plate assembly (5) can move up and down along the vertical support (2) and is locked and fixed.

3. The adjustable positioning and limiting device for the connecting steel bars of the prefabricated stairway is characterized in that two ends of the positioning support (3) are connected with the upper part of the vertical support (2) in a sliding manner through a first sliding sleeve (6); the positioning support (3) is provided with a second sliding sleeve (8), the second sliding sleeve (8) is provided with a positioning steel bar (4), and the positioning steel bar (4) is driven to horizontally move on the positioning support (3) through the second sliding sleeve (8).

4. The adjustable positioning and limiting device for the prefabricated staircase connecting steel bar is characterized in that the vertical support (2) adopts a U-shaped structure and comprises a vertical rod (201), an upper vertical rod (202) arranged at one end of the vertical rod (201) and a lower vertical rod (203) arranged at the other end of the vertical rod (201), and a vertical chute (204) for installing a pressing plate assembly (5) is formed in the vertical rod (201).

5. An adjustable positioning and limiting device for connecting steel bars of prefabricated stairway according to claim 3, characterized in that the second sliding sleeve (8) is provided with a pipe clamp (9) and is connected with the positioning steel bars (4) through the pipe clamp (9).

6. The adjustable positioning and limiting device for the prefabricated staircase connecting steel bar is characterized in that the transverse bracket (1) and the positioning bracket (3) have the same structure and comprise an outer sleeve (101), an inner sleeve (102) and a locking screw (7); the inner sleeve (102) is arranged in the outer sleeve (101) in a matched mode, the inner sleeve and the outer sleeve can slide relatively, and the locking screw (7) is arranged at one end of the outer sleeve (101) and used for locking the inner sleeve and the outer sleeve.

7. The adjustable positioning and limiting device for the prefabricated staircase connecting steel bar, as claimed in claim 4, wherein the pressing plate assembly (5) comprises a pressing plate (501), a locking screw (7), a threaded rod (502) and an adjusting nut (503); threaded rod (502) and montant (201) parallel arrangement, and its bottom and lower longitudinal rod (203) fixed connection, clamp plate (501) are passed at threaded rod (502) top to install adjusting nut (503), locking screw (7) pass vertical spout (204) and clamp plate (501) tip threaded connection.

8. An adjustable positioning and limiting device for connecting steel bars of prefabricated stairway according to claim 3, wherein the first sliding sleeve (6) and the second sliding sleeve (8) are respectively provided with a locking screw (7).

9. The adjustable positioning and limiting device for the prefabricated staircase connecting steel bar of claim 7, wherein a reinforcing rod (504) is further arranged between the threaded rod (502) and the vertical rod (201).