CN216588659U - Metal support tenon structure - Google Patents
Metal support tenon structure Download PDFInfo
- Publication number
- CN216588659U CN216588659U CN202121987014.9U CN202121987014U CN216588659U CN 216588659 U CN216588659 U CN 216588659U CN 202121987014 U CN202121987014 U CN 202121987014U CN 216588659 U CN216588659 U CN 216588659U
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- China
- Prior art keywords
- connecting plate
- steel girder
- shaped steel
- roof beam
- beam clamping
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Abstract
The utility model discloses a tenon structure of a metal support, which comprises an I-shaped steel girder and steel supporting legs, wherein the tops of the steel supporting legs are fixedly provided with inserting plates, the I-shaped steel girder is provided with a connecting structure matched with the inserting plates, the connecting structure comprises two beam clamping pieces arranged at intervals, the tops of the two beam clamping pieces are fixedly connected through an upper connecting plate, connecting plates at two sides and the I-shaped steel girder are fixedly connected through bolts, and the bottoms of the two beam clamping pieces are fixedly connected through a lower connecting plate. According to the utility model, the connecting structure on the I-shaped steel main beam is made into a form that two beam clamping pieces are fixedly connected through the connecting plate, the beam clamping pieces and the I-shaped steel main beam are connected in two fixing modes of welding and bolt connection, and compared with a single beam clamping piece, the welding connection area between the whole connecting structure and the I-shaped steel main beam is increased, the mechanical strength of the connecting structure is greatly increased on the whole, the negative pressure stress condition in a roadway can be effectively coped with, and the support effect is ensured.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway support, in particular to a metal support tenon structure.
Background
The trapezoidal rigid metal support is a main support type for roadway support under the condition of coal mine broken roof, and has a structure shown in figure 1-2, and comprises steel legs 1-1, an I-shaped steel beam 1-2 and a joggle structure, wherein the joggle structure comprises an insert block 1-3 fixed at the top end of the steel leg 1-1 in a welding mode and a beam clamp 1-4 fixed on the I-shaped steel beam 1-2 in a welding mode, the beam clamp 1-4 is in an open convex shape formed by bending steel bars, an inserting space is formed between the bottom of the beam clamp 1-4 and the bottom of the I-shaped steel beam 1-2, the inserting space is inserted by the insert block 1-3 to complete joggle joint between the I-shaped steel beam 1-2 and the steel legs 1-1, and then the I-shaped steel beam and the steel legs at two sides form a trapezoidal structure for bearing the rock stratum load of the roof roadway, in the structure, the beam clamps 1-4 are composed of single reinforcing steel frames, and due to the welding connection mode, when the roadway is pressed greatly, the welding position is easy to crack, so that the supporting failure is caused, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to avoid the defects in the prior art and provides a metal support tenon structure, so that the defects in the prior art are effectively overcome.
In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a metal support tenon structure, includes I-steel girder and steel supporting leg, the fixed picture peg that is provided with in top of steel supporting leg, the cooperation picture peg is provided with connection structure on the I-steel girder, connection structure includes the roof beam fastener that two intervals set up, and the roof beam fastener is open-ended type structure, and the roof beam fastener is through welded mode and I-steel girder fixed connection, and the top of two roof beam fasteners carries out fixed connection through the upper junction plate, and the connecting plate of both sides and I-steel girder pass through bolt fixed connection, and the bottom of two roof beam fasteners carries out fixed connection through lower connecting plate, it can supply to form between the bottom of roof beam fastener and the bottom of I-steel girder the inserted grafting structure of picture peg.
Furthermore, the two ends of the upper connecting plate are provided with upper arc plates matched with the surface of the beam clamping piece, and the upper arc plates are connected with the beam clamping piece in a welding mode.
Furthermore, the both ends of lower connecting plate are provided with the lower arc with the surperficial looks adaptation of roof beam fastener, lower arc and roof beam fastener welded connection.
Further, the upper connecting plate is attached to the surface of the I-shaped steel girder.
Further, the bolt is provided with two places along the vertical direction.
The technical scheme of the utility model has the following beneficial effects: according to the utility model, the connecting structure on the I-shaped steel main beam is made into a form that two beam clamping pieces are fixedly connected through the connecting plate, the beam clamping pieces and the I-shaped steel main beam are connected in two fixing modes of welding and bolt connection, and compared with a single beam clamping piece, the welding connection area between the whole connecting structure and the I-shaped steel main beam is increased, the mechanical strength of the connecting structure is greatly increased on the whole, the negative pressure stress condition in a roadway can be effectively coped with, and the support effect is ensured.
Drawings
FIG. 1 is a schematic diagram of a trapezoidal rigid metal support structure in the prior art;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a first structural diagram according to an embodiment of the present invention;
FIG. 4 is a second structural diagram according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a connection structure according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 3-6, the metal support tenon structure according to this embodiment includes an i-beam main beam 1 and steel support legs 2, an insert plate 3 is fixedly disposed on the top of each steel support leg 2, the insert plate 3 is welded to the steel support legs 2, and the i-beam main beam 1 is provided with a connection structure in cooperation with the insert plate 3.
Connection structure includes the roof beam fastener 4 that two intervals set up, roof beam fastener 4 is open-ended type structure of protruding font, roof beam fastener 4 is through welded mode and I-steel girder 1 fixed connection, upper junction plate 5 carries out fixed connection through upper junction plate 4's top for two roof beam fasteners 4, upper junction plate 5 and roof beam fastener 4 welded connection, the upper junction plate 5 and the I-steel girder 1 of both sides pass through bolt 6 fixed connection, the bottom of two roof beam fasteners 4 carries out fixed connection through lower connecting plate 7, lower connecting plate 7 and roof beam fastener 4 welded connection, form between the bottom of roof beam fastener 4 and the bottom of I-steel girder 1 and supply picture peg 3 male grafting structure.
The two ends of the upper connecting plate 5 are provided with upper arc-shaped plates 501 matched with the surface of the beam clamp 4, and the upper arc-shaped plates are connected with the beam clamp 4 in a welding manner.
The two ends of the lower connecting plate 7 are provided with lower arc plates 701 matched with the surface of the beam clamp 4, and the lower arc plates are connected with the beam clamp 4 in a welding mode.
The upper connecting plate 5 is attached to the surface of the I-steel girder 1.
Preferably, the bolt 6 is provided with two along vertical direction, can play better connection to upper junction plate 5 and I-steel girder 1.
According to the utility model, the connecting structure on the I-shaped steel main beam is made into a form that two beam clamping pieces are fixedly connected through the connecting plate, the beam clamping pieces and the I-shaped steel main beam are connected in two fixing modes of welding and bolt connection, and compared with a single beam clamping piece, the welding connection area between the whole connecting structure and the I-shaped steel main beam is increased, the mechanical strength of the connecting structure is greatly increased on the whole, the negative pressure stress condition in a roadway can be effectively coped with, and the support effect is ensured.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a metal support tenon structure, includes I-steel girder and steel supporting leg, the fixed picture peg that is provided with in top of steel supporting leg, the cooperation picture peg is provided with connection structure, its characterized in that on the I-steel girder: connection structure includes the roof beam fastener that two intervals set up, and the roof beam fastener is open-ended type structure, and the roof beam fastener carries out fixed connection through the upper junction plate through welded mode and I-steel girder fixed connection, two roof beam fasteners's top, and the connecting plate of both sides and I-steel girder pass through bolt fixed connection, and the bottom of two roof beam fasteners carries out fixed connection through lower connecting plate, it can supply to form between the bottom of roof beam fastener and the bottom of I-steel girder the picture peg male grafting structure.
2. The metal bracket joint structure according to claim 1, wherein: and the two ends of the upper connecting plate are provided with upper arc plates matched with the surface of the beam clamping piece, and the upper arc plates are welded with the beam clamping piece.
3. The metal bracket joint structure according to claim 1, wherein: and the two ends of the lower connecting plate are provided with lower arc plates matched with the surface of the beam clamping piece, and the lower arc plates are welded with the beam clamping piece.
4. The metal bracket joint structure according to claim 1, wherein: the upper connecting plate is attached to the surface of the I-shaped steel girder.
5. The metal bracket joint structure according to claim 1, wherein: the bolt is provided with two places along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121987014.9U CN216588659U (en) | 2021-08-23 | 2021-08-23 | Metal support tenon structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121987014.9U CN216588659U (en) | 2021-08-23 | 2021-08-23 | Metal support tenon structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588659U true CN216588659U (en) | 2022-05-24 |
Family
ID=81636775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121987014.9U Active CN216588659U (en) | 2021-08-23 | 2021-08-23 | Metal support tenon structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588659U (en) |
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2021
- 2021-08-23 CN CN202121987014.9U patent/CN216588659U/en active Active
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