CN212823651U - Accurate location of draw-in groove formula tunnel steel bow member is connected and is assisted utensil - Google Patents
Accurate location of draw-in groove formula tunnel steel bow member is connected and is assisted utensil Download PDFInfo
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- CN212823651U CN212823651U CN202021520516.6U CN202021520516U CN212823651U CN 212823651 U CN212823651 U CN 212823651U CN 202021520516 U CN202021520516 U CN 202021520516U CN 212823651 U CN212823651 U CN 212823651U
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Abstract
The utility model discloses a clamping groove type tunnel steel arch connecting accurate positioning auxiliary tool, which comprises a transverse plate, wherein the edges of two sides of the transverse plate are respectively provided with a limiting part extending downwards, and the distance between the inner sides of the limiting parts of two sides of the transverse plate is matched with the width of an I-shaped steel arch unit, so that when the transverse plate is placed on the steel arch unit, the limiting parts are tightly attached to two sides of the steel arch unit; the front end of the transverse plate is also provided with a longitudinal plate perpendicular to the transverse plate, one side of the longitudinal plate, which is far away from the transverse plate, is provided with a positioning part, and the position of the positioning part is matched with the position of a bolt hole in the steel arch frame connecting plate. The auxiliary tool can assist in realizing accurate positioning of the steel arch and the connecting plate when the steel arch of the tunnel is machined.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction preliminary bracing connection technique and specifically relates to a precise location is assisted to draw-in groove formula tunnel steel bow member connection and is possessed.
Background
In the current domestic composite lining tunnel design, the profile steel arch frame has higher bearing capacity, so the profile steel arch frame is often used as the primary support of a loose and broken rock tunnel. Whether the steel arch can better play a role depends on whether the welding positioning of the arch connecting plate is accurate and firm. Inaccurate positioning of the arch frame connecting plate is easy to cause: firstly, bolt hole position deviation is caused when all units of the arch centering are spliced, so that bolts cannot penetrate through the arch centering when in site splicing; secondly, the connecting plates are not attached to the I-shaped steel section, so that the angles of the two spliced connecting plates do not meet the design requirements, and gaps exist in the butt joint of the connecting plates; and thirdly, in the centralized processing process, the operating personnel need to continuously measure and adjust the position of the connecting plate. These problems not only affect the processing efficiency of the arch center unit, but also jeopardize the overall quality of the finished arch center, and even cause serious potential safety hazards in tunnel construction.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a utensil is assisted in accurate location is connected to draw-in groove formula tunnel steel bow member, should assist the utensil and can add man-hour at tunnel steel bow member, supplementary realization steel bow member and the accurate location of connecting plate.
Based on the above purpose, the utility model provides a draw-in groove formula tunnel steel bow member connects accurate location assistive device, including a diaphragm, the both sides edge of diaphragm is provided with the spacing portion that extends downwards respectively, the spacing inboard distance of portion of both sides of diaphragm and the width adaptation of the steel bow member of I shape, thus when the diaphragm was placed on the steel bow member, the spacing portion hugged closely in steel bow member both sides;
the front end of the transverse plate is also provided with a longitudinal plate perpendicular to the transverse plate, one side of the longitudinal plate, which is far away from the transverse plate, is provided with a positioning part, and the position of the positioning part is matched with the position of a bolt hole in the steel arch frame connecting plate.
Preferably, the limiting part is fixedly connected with the transverse plate or integrally formed with the transverse plate.
Preferably, the limiting parts are lateral plates respectively arranged at the front end part and the rear end part of the two sides of the transverse plate.
Preferably, the limiting part is formed by bending two side edges of the transverse plate downwards.
Preferably, when the transverse plate is placed on the steel arch unit, the lower end of the longitudinal plate is attached to a middle baffle plate of the steel arch unit.
Preferably, the number of the positioning parts is two, and the two positioning parts are respectively opposite to the two bolt holes above the steel arch connecting plate.
Preferably, the positioning member is a positioning bolt having a radial dimension smaller than a radial dimension of a bolt hole in the steel arch connecting plate, so that the steel arch connecting plate can be hung on the positioning member through the bolt hole.
Preferably, the assistive device further comprises a handle, one end of the handle is fixed on the transverse plate, and the other end of the handle is fixed on the longitudinal plate.
Compared with the prior art, the beneficial effects of the utility model are that:
when tunnel steel bow member assembly, through adopting the utility model discloses a utensil is assisted in location realizes accurate location, the welding of steel bow member unit and steel bow member connecting plate, avoids appearing connecting steel sheet warpage, bolt hole off normal, connecting plate and has quality problems such as space to make the connection between tunnel steel bow member section accord with design and standard requirement, guarantee tunnel construction and operation safety.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic side view of the embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view structure according to an embodiment of the present invention;
fig. 4 is a schematic top view of an embodiment of the present invention;
fig. 5 is a schematic view of the working state of the embodiment of the present invention;
wherein, 11, steel arch frame unit; 12. a steel arch frame connecting plate; 21. a transverse plate; 22. a limiting part; 23. a longitudinal plate; 24. and a positioning member.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise.
Furthermore, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The invention will be further explained with reference to the following embodiments and drawings:
a clamping groove type tunnel steel arch connection accurate positioning auxiliary tool comprises a transverse plate 21, wherein limiting portions 22 extending downwards are respectively arranged on the edges of two sides of the transverse plate 21, the distance between the inner sides of the limiting portions 22 on the two sides of the transverse plate 21 is matched with the width of an I-shaped steel arch unit 11, and therefore when the transverse plate 21 is placed on the steel arch unit 11, the limiting portions 22 are tightly attached to the two sides of the steel arch unit 11;
the front end of the transverse plate 21 is further provided with a longitudinal plate 23 perpendicular to the transverse plate 21, one side of the longitudinal plate 23 away from the transverse plate 21 is provided with a positioning part 24, and the position of the positioning part 24 is matched with the position of a bolt hole on the steel arch frame connecting plate 12.
As a preferred embodiment, the limiting portion 22 is fixedly connected to or integrally formed with the transverse plate 21.
As a preferred embodiment, as shown in fig. 1 to 4, the stopper portions 22 are side plates respectively provided at front and rear end portions of both sides of the cross plate 21.
As a preferred embodiment, when the transverse plate 21 is placed on the steel arch unit 11, the lower end of the longitudinal plate 23 is attached to the middle baffle of the steel arch unit 11.
In a preferred embodiment, there are two positioning parts 24, and the two positioning parts 24 are respectively opposite to the two bolt holes above the steel arch connecting plate 12.
In a preferred embodiment, the positioning element 24 is a positioning bolt, the radial dimension of which is smaller than the radial dimension of the positioning element 24 on the steel arch connecting plate 12, so that the steel arch connecting plate 12 can be hung on the positioning element 24 through the bolt hole thereof.
In a preferred embodiment, the auxiliary device further comprises a handle, one end of which is fixed to the transverse plate 21 and the other end of which is fixed to the longitudinal plate 23.
According to the design drawing of the steel arch of the tunnel, the steel arch unit 11 generally adopts 18# I-steel, the height is 18cm, the width is 9.8cm, and the diameter of a connecting bolt is 27 mm. Correspondingly, the accurate location assistive device is connected to draw-in groove formula tunnel steel bow member includes 1 piece 220mm x 188mm x 8mm diaphragm 21, 4 pieces 60mm x 30mm x 4mm lateral plates, and the front end of diaphragm 21 sets up 1 piece 156mm x 140mm x 4mm longitudinal plate 23, and longitudinal plate 23 is on the upper side to set up 2 diameter 27mm positioning bolt. In order to facilitate the use of the clamping groove type tunnel steel arch frame connection accurate positioning auxiliary tool, a deformed steel bar handle is welded at the back of the transverse steel plate and the back of the longitudinal steel plate.
As shown in fig. 5, the accurate positioning auxiliary tool for the slot-in type tunnel steel arch connection is placed on the steel arch unit 11 formed by bending, the end of the accurate positioning auxiliary tool steel arch unit 11 for the slot-in type tunnel steel arch connection is slid, the bolt hole of the steel arch connecting plate 12 is sleeved on the positioning part 24 of the longitudinal plate 23, the steel arch connecting plate 12 is tightly attached to the positioning part 24, the steel arch connecting plate 12 naturally droops, and the displacement of the steel arch connecting plate is limited by the self weight of the steel arch connecting plate 12 and the friction force between the positioning part 24 and the bolt hole. The angle of the steel arch unit 11 is adjusted to enable the steel arch unit 11 to be perpendicular to the steel arch connecting plate 12, meanwhile, the steel arch unit 11 is connected with the steel arch connecting plate 12 and the clamping groove type tunnel steel arch respectively, the contact surface of the accurate positioning auxiliary tool is closely attached, no gap exists, the positioned section steel and the connecting plate are welded through CO2 gas shielded welding, and accurate positioning of the connecting plate is achieved.
Of course, in other embodiments, the limiting portion may be formed by directly bending two side edges of the transverse plate downward.
When tunnel steel bow member assembly, through adopting the utility model discloses a utensil is assisted in location realizes accurate location, the welding of steel bow member unit and steel bow member connecting plate, avoids appearing connecting steel sheet warpage, bolt hole off normal, connecting plate and has quality problems such as space to make the connection between tunnel steel bow member section accord with design and standard requirement, guarantee tunnel construction and operation safety.
Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (8)
1. The clamping groove type tunnel steel arch connection accurate positioning auxiliary tool is characterized by comprising a transverse plate (21), wherein two side edges of the transverse plate (21) are respectively provided with a limiting part (22) extending downwards, the distance between the inner sides of the limiting parts (22) on the two sides of the transverse plate (21) is matched with the width of an I-shaped steel arch unit (11), and therefore when the transverse plate (21) is placed on the steel arch unit (11), the limiting parts (22) are tightly attached to the two sides of the steel arch unit (11);
the front end of the transverse plate (21) is also provided with a longitudinal plate (23) perpendicular to the transverse plate, one side, far away from the transverse plate (21), of the longitudinal plate (23) is provided with a positioning component (24), and the position of the positioning component (24) is matched with the position of a bolt hole in the steel arch frame connecting plate (12).
2. The accurate positioning assistive device is connected to draw-in groove formula tunnel steel bow member of claim 1, characterized in that, spacing portion (22) and diaphragm (21) fixed connection or integrated into one piece.
3. The accurate positioning assistive device is connected to draw-in groove formula tunnel steel bow member according to claim 1, characterized in that, spacing portion (22) is for setting up the lateral plate at both sides front and back both ends respectively of diaphragm (21).
4. The accurate positioning assistive device is connected to draw-in groove formula tunnel steel bow member according to claim 3, characterized in that, spacing portion (22) is bent downwards for the both sides limit of diaphragm (21).
5. The auxiliary tool for accurately positioning the connection of the steel arch of the slot-type tunnel according to claim 1, wherein when the transverse plate (21) is placed on the steel arch unit (11), the lower end of the longitudinal plate (23) is attached to the middle baffle of the steel arch unit (11).
6. The accurate positioning assistive device is connected to draw-in groove formula tunnel steel bow of claim 1, characterized in that, the locating component (24) is two, and two locating components (24) are respectively with two bolt hole positions above steel bow connecting plate (12) relative.
7. A precise positioning aid for connection of a steel arch of a slot-in type tunnel according to claim 1 or 6, characterized in that the positioning part (24) is a positioning bolt, the radial dimension of which is smaller than the radial dimension of the bolt hole on the steel arch connecting plate (12), so that the steel arch connecting plate (12) can be hung on the positioning part (24) through the bolt hole.
8. A precise positioning aid for connection of a steel arch of a slot-type tunnel according to claim 1, characterized in that the aid further comprises a handle, one end of which is fixed on the transverse plate (21) and the other end is fixed on the longitudinal plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021520516.6U CN212823651U (en) | 2020-07-28 | 2020-07-28 | Accurate location of draw-in groove formula tunnel steel bow member is connected and is assisted utensil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021520516.6U CN212823651U (en) | 2020-07-28 | 2020-07-28 | Accurate location of draw-in groove formula tunnel steel bow member is connected and is assisted utensil |
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| CN212823651U true CN212823651U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028523A (en) * | 2021-04-29 | 2021-06-25 | 武汉宏海科技股份有限公司 | Air condensing units chassis convenient to it is fixed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028523A (en) * | 2021-04-29 | 2021-06-25 | 武汉宏海科技股份有限公司 | Air condensing units chassis convenient to it is fixed |
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