CN215104482U

CN215104482U - Adjustable fastening device for airport pavement concrete template

Info

Publication number: CN215104482U
Application number: CN202120913781.9U
Authority: CN
Inventors: 王磊; 孟范森
Original assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-10
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to a road construction technical field, more specifically say, relate to an airport pavement concrete form adjustable fastener. Including first L type angle bar, second L type angle bar, first single screw rod and second single screw rod, the hole has been seted up on the second L type angle bar, the hole of second L type angle bar is inserted to the screw thread end of first single screw rod and second single screw rod, first single screw rod and second single screw rod are respectively through outer hexagon nut A and outer hexagon nut B and the hookup of second L type angle bar, first single screw rod and second single screw rod non-thread end and first L type angle bar welded connection wear to be equipped with full-thread screw rod on the second L type angle bar, full-thread screw rod keeps away from second L type angle bar one side welding and has seamless hollow iron pipe. The device simplifies the complex working procedures of workers in the operation process, effectively controls human errors and improves the template installation quality and efficiency. The utility model discloses mainly be applied to airport pavement concrete form and adjust the aspect.

Description

Adjustable fastening device for airport pavement concrete template

Technical Field

The utility model relates to a road construction technical field, more specifically say, relate to an airport pavement concrete form adjustable fastener.

Background

At present, the formwork is generally installed and fixed in the mode of drilling holes by using an electric hammer impact drill, adding steel rods and fixing wood blocks in the installation of the concrete construction formwork on the airport pavement. Firstly, arranging steel templates for construction in a straight line according to positioned plate framing lines, checking the linearity of the templates by a measuring staff through a total station, generally adopting the steel templates with the length of 2.5 meters in the construction, designing the plate framing to be about 100 meters according to a concrete surface layer of an airport pavement to form a plate expansion joint, and generally enabling the pouring length of a warehouse of concrete to be consistent with the design and the length to be about 100 meters in the field construction process. The 80 steel templates (two sides) need to be checked, installed and fixed, after the templates are arranged in a straight line, an electric hammer impact drill is used for punching holes at corresponding points on the outer side of the steel templates, steel rods (30-40 cm in length) are inserted into drilled hole positions and fixed firmly, a certain gap exists between the fixed steel rods and the steel templates under general conditions, at the moment, a measurer adopts a total station to check the straightness of the templates in place, wood blocks are inserted into the gap according to the size of the gap to be fixed, the size of the wood blocks needs to be processed and manufactured on site, the straightness check needs to be carried out again after the template reinforcement is completed, and displacement and deviation of the templates caused in the manual operation reinforcement process are prevented. By adopting the template installation mode, the working procedures of workers in the operation process are complicated, and the manual error cannot be effectively controlled, so that the template installation quality and efficiency are greatly reduced, the idle waiting time of measuring personnel and measuring instruments on site is too long, and the site measurement and template installation rework treatment are too much, so that the efficiency of the whole template installation process is low, and the operation is inconvenient and unstable.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of existence among the above-mentioned prior art, the utility model provides an airport pavement concrete form adjustable fastener, the device adjustable fastener to it is loaded down with trivial details to improve manual operation installation template in-process, and human error can't effective control, causes the problem at the bottom of template installation quality, efficiency, operational stability is poor, the operation is inconvenient and unstable.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model provides an airport pavement concrete form adjustable fastener, includes first L type angle bar, second L type angle bar, first single-end screw rod and second single-end screw rod, has seted up the hole on the second L type angle bar, the hole of second L type angle bar is inserted to the screw thread end of first single-end screw rod and second single-end screw rod, and first single-end screw rod and second single-end screw rod are respectively through outer hexagon nut A and outer hexagon nut B and the hookup of second L type angle bar, first single-end screw rod and second single-end screw rod non-thread end and first L type angle bar welded connection, wear to be equipped with the full thread screw rod on the second L type angle bar, the welding of second L type angle bar one side has seamless hollow iron pipe is kept away from to the full thread screw rod.

And the full-thread screw is connected with the second L-shaped angle iron through an outer hexagonal nut C.

First connecting hole and second connecting hole have been seted up on the first L type angle bar, first connecting hole and second connecting hole set up the position and are unanimous with the steel form hole site.

The seamless hollow iron pipe is in vertical full-welding connection with the full-thread screw rod.

The distance between the first single-head screw and the second single-head screw on the first L-shaped angle iron is 15cm, and the distance between the first single-head screw and the second single-head screw on the second L-shaped angle iron is 10 cm.

The first single-head screw and the second single-head screw are both single-head screws with the model M10 x 50.

And the first L-shaped angle iron and the second L-shaped angle iron both adopt 5# angle iron.

The outer hexagon nut A, the outer hexagon nut B and the outer hexagon nut C are all M5# nuts.

The seamless hollow iron pipe is an iron pipe with the model of phi 5 and the height of 7 cm.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

first L type angle bar and second L type angle bar provide stable holding power for the template fastening, through adjusting outer hexagon nut A, outer hexagon nut B and outer hexagon nut C, the distance between adjustable first L type angle bar and the second L type angle bar, the adjustment precision is high, and the operation is simple, as the adjusting device in the steel form installation check fixed operation, it is loaded down with trivial details to have simplified staff's process in the operation process, the human error has effectively been controlled, template installation quality and efficiency have been improved, avoided measurement personnel and measuring instrument on-the-spot idle latency overlength, on-the-spot measurement, the template installation is reworked and is handled too much.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1 is first L type angle bar, 2 is second L type angle bar, 3 is first single screw rod, 4 is second single screw rod, 5 is full thread screw rod, 6 is seamless hollow iron pipe, 7 is first connecting hole, 8 is outer hexagon nut A, 9 is the second connecting hole, 10 is outer hexagon nut B, 11 is outer hexagon nut C.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figure 1, an airport pavement concrete template adjustable fastener, its characterized in that: including first L type angle bar 1, second L type angle bar 2, first single-end screw rod 3 and second single-end screw rod 4, the hole has been seted up on the second L type angle bar 2, the hole of second L type angle bar 2 is inserted to the screw thread end of first single-end screw rod 3 and second single-end screw rod 4, first single-end screw rod 3 and second single-end screw rod 4 are respectively through outer hexagon nut A8 and outer hexagon nut B10 and the hookup of second L type angle bar 2, first single-end screw rod 3 and 4 non-thread ends of second single-end screw rod and first L type angle bar 1 welded connection, wear to be equipped with full-thread screw rod 5 on the second L type angle bar 2, full-thread screw rod 5 has seamless hollow iron pipe 6 far away from the welding of second L type angle bar 2 one side. Through first connecting hole 7 and second connecting hole 9 on first L type angle bar 1, adopt supporting screw rod, the nut fastens this device and steel form, form a supporting whole, every 2.5 meters long steel form sets up three this device, through outer hexagon nut A8 and outer hexagon nut B10, adjustable first single-end screw rod 3 and the length that second L type angle bar 2 was stretched out to second single-end screw rod 4 to change first L type angle bar 1 and the direct distance of second L type angle bar 2.

Preferably, the full-thread screw 5 is connected with the second L-shaped angle iron 2 through an outer hexagonal nut C11, and the length of the full-thread screw 5 extending into the second L-shaped angle iron 2 can be adjusted through an outer hexagonal nut C11.

Preferably, first connecting hole 7 and second connecting hole 9 have been seted up on first L type angle bar 1, and first connecting hole 7 and second connecting hole 9 set up the position and are unanimous with the steel form hole site.

Preferably, the seamless hollow iron pipe 6 is vertically and fully welded and connected with the full-thread screw 5, and the seamless hollow iron pipe 6 is connected with the full-thread screw 5 in a 90-degree manner.

Preferably, the distance between the first single-head screw 3 and the second single-head screw 4 on the first L-shaped angle iron 1 is 15cm, the distance between the first single-head screw 3 and the second single-head screw 4 on the second L-shaped angle iron 2 is 10cm, and when the distance between the first L-shaped angle iron 1 and the second L-shaped angle iron 2 changes, the distance between the first single-head screw 3 and the second single-head screw 4 on the second L-shaped angle iron 2 also changes accordingly.

Preferably, the first single-ended screw 3 and the second single-ended screw 4 are both single-ended screws of type M10 × 50.

Preferably, 5# angle iron is adopted for the first L-shaped angle iron 1 and the second L-shaped angle iron 2.

Preferably, the outer hexagon nut A8, the outer hexagon nut B10 and the outer hexagon nut C11 are M5# nuts.

Preferably, the seamless hollow iron pipe 6 is an iron pipe with the model diameter of 5 and the height of 7 cm.

Inserting a steel chisel into the seamless hollow iron pipe 6 and fixing the steel formwork in a ground hole, fixing the steel formwork, checking the straightness of the steel formwork by a measurer by using a total station, adjusting the outer hexagon nuts A8 and B10 on the thread sides of the first single-head screw 3 and the second single-head screw 4 of the device to be telescopic simultaneously when telescopic adjustment is needed, adjusting the full-thread screw 5 until the straightness of the steel formwork is checked and finished when the straightness deviation of the steel formwork is large and the first single-head screw 3 and the second single-head screw 4 are telescopic to the maximum or minimum, and adjusting the verticality of the steel formwork by independently telescopic adjustment of the first single-head screw 3 and the second single-head screw 4.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The utility model provides an airport pavement concrete form adjustable fastener which characterized in that: including first L type angle bar (1), second L type angle bar (2), first single screw rod (3) and second single screw rod (4), seted up the hole on second L type angle bar (2), the hole of second L type angle bar (2) is inserted to the screw thread end of first single screw rod (3) and second single screw rod (4), and first single screw rod (3) and second single screw rod (4) are respectively through outer hexagon nut A (8) and outer hexagon nut B (10) and hookup with second L type angle bar (2), first single screw rod (3) and second single screw rod (4) non-thread end and first L type angle bar (1) welded connection, full-thread screw rod (5) are worn to be equipped with on second L type angle bar (2), second L type angle bar (2) one side seamless hollow iron pipe (6) are kept away from to full-thread screw rod (5).

2. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: and the full-thread screw (5) is connected with the second L-shaped angle iron (2) through an outer hexagonal nut C (11).

3. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: first connecting hole (7) and second connecting hole (9) have been seted up on first L type angle bar (1), first connecting hole (7) and second connecting hole (9) set up the position and are unanimous with the steel form hole site.

4. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the seamless hollow iron pipe (6) is vertically and fully welded and connected with the full-thread screw rod (5).

5. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the distance between the first single-head screw (3) and the second single-head screw (4) on the first L-shaped angle iron (1) is 15cm, and the distance between the first single-head screw (3) and the second single-head screw (4) on the second L-shaped angle iron (2) is 10 cm.

6. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the first single-head screw (3) and the second single-head screw (4) are both single-head screws with the model number of M10 x 50.

7. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the first L-shaped angle iron (1) and the second L-shaped angle iron (2) are both 5# angle irons.

8. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the outer hexagon nut A (8), the outer hexagon nut B (10) and the outer hexagon nut C (11) are all M5# nuts.

9. The adjustable fastening device for the airport pavement concrete formwork according to claim 1, wherein: the seamless hollow iron pipe (6) is an iron pipe with the model of phi 5 and the height of 7 cm.