CN219299327U - Connecting component of I-steel of tunnel supporting steel arch frame - Google Patents
Connecting component of I-steel of tunnel supporting steel arch frame Download PDFInfo
- Publication number
- CN219299327U CN219299327U CN202223346312.7U CN202223346312U CN219299327U CN 219299327 U CN219299327 U CN 219299327U CN 202223346312 U CN202223346312 U CN 202223346312U CN 219299327 U CN219299327 U CN 219299327U
- Authority
- CN
- China
- Prior art keywords
- connecting block
- steel
- groove
- mounting hole
- protruding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The utility model discloses a connecting member of a tunnel supporting steel arch frame I-beam, which comprises a first I-beam and a second I-beam which are in butt joint, wherein the connecting member comprises a first connecting block and a second connecting block, the first connecting block is provided with a first connecting block clamping protrusion and a first connecting block clamping groove, the first connecting block is provided with a first mounting lug with a bolt mounting hole, and the first connecting block is welded and fixed at a web plate of the first I-beam; the second connecting block is provided with the protruding and second connecting block draw-in groove of second connecting block card, and the protruding buckle of first connecting block card is in the second connecting block draw-in groove, and the protruding buckle of second connecting block card is in first connecting block draw-in groove, and second connecting block welded fastening is in the web department of second I-steel, and the front end of second connecting block is provided with the second installation ear of taking the bolt mounting hole, wears to establish in the bolt mounting hole on first installation ear and the second installation ear to be connected with the bolt through packing ring and nut locking. The connecting member is convenient and quick to connect and high in connection strength.
Description
Technical Field
The utility model relates to the technical field of tunnel primary support devices, in particular to a connecting member of a tunnel support steel arch I-steel.
Background
In recent years, the investment and promotion of infrastructure construction are carried out along with the nation. The traffic construction in China is rapidly developed, and particularly the tunnel construction is greatly improved, and the tunnel engineering construction is developed towards the directions of complex geological conditions such as high ground stress, weak broken bands and the like. In tunnel construction engineering, the primary support type of the tunnel is very important to the influence of structural stability, and the primary support of the tunnel is generally provided with modes such as wood support, section steel support, grid support, anchor spraying support and the like.
The steel has the advantages of high strength, strong deformation resistance and the like, and the steel arch frame is manufactured by the steel section to support and protect the steel section. The tunnel steel arch centering used at present is formed by combining and assembling I-steel section by section to form a set of whole, and is used for supporting the tunnel, preventing soil and rock mass above the tunnel from collapsing down and ensuring construction safety. In order to ensure the strength, rigidity and bearing capacity of the steel arch, the adopted I-steel is of larger specification, the wing plates and the web plates of the I-steel are thicker, the overall dimension is larger, the whole steel arch is formed by welding a plurality of sections of I-steel, and the manufactured steel arch is heavier. In order to facilitate the transportation and installation of the steel arch, generally, a steel arch is divided into a plurality of sections, and then assembled during primary support construction, two adjacent sections of steel arch units are connected through connecting joints, the existing connecting piece is generally connected with the steel arch units through connecting steel plates and bolts, for example, the two ends of each section of steel arch unit are welded with the connecting steel plates, connecting through holes are drilled in the connecting steel plates, and bolts penetrate through the connection of the two connecting steel plates and are fastened through nuts during construction. In order to improve the stability of connection, four bolts are generally required to be used for connection, and in connection construction, bearing construction is required before bolting the bolts, the efficiency is relatively low, and construction staff often install the bolts for convenience, so that the connection part is easy to lose efficacy under the action of load, the construction safety is seriously jeopardized, and the bearing capacity of the primary support of the tunnel is seriously influenced. Therefore, the H-beam of the tunnel supporting steel arch frame needs a connecting member which is convenient and firm to connect.
Disclosure of Invention
The utility model aims to provide a connecting member for the I-steel of the tunnel supporting steel arch, which has the advantages of simple structure, convenient and quick connection and high connection strength.
In order to achieve the purpose of the utility model, the technical scheme adopted is as follows:
the connecting member comprises a first I-steel and a second I-steel which are in butt joint, wherein the front end of the first connecting block is provided with a first connecting block clamping protrusion, the rear side of the first connecting block clamping protrusion is provided with a first connecting block clamping groove, the rear end of the first connecting block is provided with a first mounting lug, the first mounting lug is provided with a bolt mounting hole, and the first connecting block is welded and fixed at the web plate of the first I-steel; the rear end of second connecting block be provided with the protruding second connecting block card of first connecting block draw-in groove matching, the protruding front side of second connecting block card is provided with the second connecting block draw-in groove of protruding matching with first connecting block card, the protruding buckle of first connecting block card is in the second connecting block draw-in groove, the protruding buckle of second connecting block card is in first connecting block draw-in groove, form first connecting block and second connecting block lock joint, the web department at the second I-steel is fixed to the welding of second connecting block, the front end of second connecting block is provided with the second installation ear, also be provided with the bolt mounting hole on the second installation ear, the bolt mounting hole on the first installation ear is coaxial with the bolt mounting hole on the second installation ear, wear to establish in the bolt mounting hole on first installation ear and the second installation ear to be connected with the bolt through packing ring and nut locking. The materials of the first connecting block, the second connecting block and the mounting lug can be used as balance steel materials on the construction site, so that the construction cost is saved.
Further preferred is: the washers include flat washers and spring washers.
Further preferred is: the front end of the first connecting block cannot exceed the front end of the first I-steel, and the rear end of the second connecting block extends out of the rear end of the second I-steel. Or the front end of the first connecting block extends out of the front end of the first I-steel, and the rear end of the second connecting block cannot exceed the rear end of the second I-steel. The setting of connection structure like this, when first I-steel and second I-steel butt joint, the protruding buckle of first connecting block card is in the second connecting block draw-in groove, and the protruding buckle of second connecting block card is in first connecting block draw-in groove, does not need the workman to drag the top all the time just can install the bolt after forming first connecting block and second connecting block lock joint, reduces the degree of difficulty of workman's erection joint.
The connecting component of the I-steel of the tunnel supporting steel arch has the following advantages:
1. the connecting component of the I-steel of the tunnel supporting steel arch frame adopts the first connecting block and the second connecting block which are fastened with each other and provided with the mounting lugs and the bolt component used for locking and connecting the first connecting block and the second connecting block, the structure is simple, the first connecting block and the second connecting block are respectively welded at the web plate of the I-steel in two butt joints in a factory in a corresponding manner, the site construction is carried out, the high-strength connection can be realized by only installing one bolt, the bearing capacity is strong after the connection, the stability of the steel arch frame is ensured, the problem that a plurality of bolts are required to be installed by common steel arch frame connection constructors is solved, the condition of fewer mounting bolts is solved, and the construction safety is improved.
2. The front end of the first connecting block cannot exceed the front end of the first I-steel, and the rear end of the second connecting block extends out of the rear end of the second I-steel; or the front end of the first connecting block extends out of the front end of the first I-steel, and the rear end of the second connecting block cannot exceed the rear end of the second I-steel. When first I-steel and second I-steel dock, the protruding buckle of first connecting block card is in the second connecting block draw-in groove, and the protruding buckle of second connecting block card is in first connecting block draw-in groove, does not need the workman to drag the top all the time just can the erection bolt after forming first connecting block and second connecting block lock joint, reduces the degree of difficulty of workman erection joint.
Drawings
FIG. 1 is a schematic diagram of a connection structure of the connection members of the present tunnel support steel arch I-beam;
FIG. 2 is a schematic structural view of a first connection block;
FIG. 3 is a schematic view of the structure of the second connection block;
FIG. 4 is a schematic view of a connection structure of the first connection block and the first I-steel;
FIG. 5 is a schematic diagram of a connection structure of the second connection block and the second I-steel;
the names corresponding to the serial numbers in the figures are:
1. a first I-steel; 2. a first connection block; 3. a bolt; 4. a second connection block; 5. a second I-steel; 6. a gasket; 7. a nut; 8. a first connecting block clamping groove; 9. the first connecting block is clamped and protruded; 10. a first mounting ear; 11. a bolt mounting hole; 12. the second connecting block clamping groove; 13. the second connecting block is clamped and protruded; 14. and a second mounting ear.
Detailed Description
In order to make the technical scheme and advantages of the present application more clear, the technical scheme is clearly and completely described below with reference to the embodiments.
Example 1
The connecting member of the tunnel supporting steel arch frame I-steel comprises a first I-steel 1 and a second I-steel 5 which are in butt joint, wherein the connecting member comprises a first connecting block 2 and a second connecting block 4, the front end of the first connecting block 2 is provided with a first connecting block clamping protrusion 9, the rear side of the first connecting block clamping protrusion 9 is provided with a first connecting block clamping groove 8, the rear end of the first connecting block 2 is provided with a first mounting lug 10, the first mounting lug 10 is provided with a bolt mounting hole 11, and the first connecting block 2 is welded and fixed at the web plate of the first I-steel 1; the rear end of second connecting block 4 be provided with the protruding 13 of second connecting block card that first connecting block draw-in groove 8 matches, the front side of protruding 13 of second connecting block card is provided with the second connecting block draw-in groove 12 that matches with protruding 9 of first connecting block card, protruding 9 of first connecting block card buckle is in second connecting block draw-in groove 12, protruding 13 of second connecting block card buckles in first connecting block draw-in groove 8, second connecting block 4 welded fastening is in the web department of second I-steel 5, the front end of second connecting block 4 is provided with second installation ear 14, also be provided with bolt mounting hole 11 on the second installation ear 14, bolt mounting hole 11 on the first installation ear 10 and the coaxial setting of bolt mounting hole 11 on the second installation ear 14, wear to be connected with in the bolt mounting hole 11 on first installation ear 10 and the second installation ear 14 to pass through the bolt 3 of packing ring 6 and nut 7 locking.
The washers 6 include flat washers and spring washers.
The front end of the first connecting block 2 cannot exceed the front end of the first I-steel 1, and the rear end of the second connecting block 4 extends out of the rear end of the second I-steel 5.
The setting and mounting process of the connecting component of the I-steel of the tunnel supporting steel arch frame is as follows: the first connecting block 2, the second connecting block 4, the first mounting lug 10 and the second mounting lug 14 are manufactured, and are preferably manufactured by using construction site balance steel materials; the first mounting lug 10 and the first connecting block 2, the first connecting block 2 and the first I-steel 1, the second mounting lug 14 and the second connecting block 4 and the second I-steel 5 are welded firmly by adopting a positioning die in a factory. When the tunnel supporting steel arch is assembled, the first connecting block clamping convex 9 is buckled in the second connecting block clamping groove 12, the second connecting block clamping convex 13 is buckled in the first connecting block clamping groove 8 to form butt joint of the first I-steel 1 and the second I-steel 5, then the first I-steel and the second I-steel are penetrated through the bolt mounting holes 11 of the first mounting lug 10 or the second mounting lug 14 by the bolts 3, the gaskets 6 are penetrated through the bolts 3 after the second mounting lug 14 or the bolt mounting holes 11 of the first mounting lug 10 are extended, and finally the bolts are locked by the nuts 7. The butt joint of the I-steel of the tunnel supporting steel arch is realized by only one bolt.
The above description is not intended to limit the present application, nor is the present application limited to the above examples, but variations, modifications, additions or substitutions within the spirit and scope of the present application will be within the scope of the present application to those of ordinary skill in the art.
Claims (4)
1. The utility model provides a connecting elements of tunnel support steel bow member I-steel, tunnel support steel bow member I-steel include first I-steel (1) and second I-steel (5) of butt joint, its characterized in that: the connecting component comprises a first connecting block (2) and a second connecting block (4), wherein a first connecting block clamping protrusion (9) is arranged at the front end of the first connecting block (2), a first connecting block clamping groove (8) is formed in the rear side of the first connecting block clamping protrusion (9), a first mounting lug (10) is arranged at the rear end of the first connecting block (2), a bolt mounting hole (11) is formed in the first mounting lug (10), and the first connecting block (2) is welded and fixed at the web plate of the first I-steel (1); the rear end of second connecting block (4) be provided with the protruding (13) of second connecting block card that first connecting block draw-in groove (8) matees, the front side of protruding (13) of second connecting block card is provided with the second connecting block draw-in groove (12) that matches with protruding (9) of first connecting block card, protruding (9) the buckle of first connecting block card is in second connecting block draw-in groove (12), protruding (13) the buckle of second connecting block card is in first connecting block draw-in groove (8), second connecting block (4) welded fastening is in the web department of second I-steel (5), the front end of second connecting block (4) is provided with second installation ear (14), also be provided with bolt mounting hole (11) on second installation ear (14), bolt mounting hole (11) on first installation ear (10) and the coaxial setting of bolt mounting hole (11) on second installation ear (14), wear to be connected with in bolt mounting hole (11) on first installation ear (10) and the second installation ear (14) to wear to be connected with through bolt (3) of packing ring (7).
2. A connection member for a tunnel supporting steel arch i-beam according to claim 1, wherein: the gasket (6) comprises a flat gasket and a spring gasket.
3. A connection member for a tunnel supporting steel arch i-beam according to claim 1, wherein: the front end of the first connecting block (2) cannot exceed the front end of the first I-steel (1), and the rear end of the second connecting block (4) extends out of the rear end of the second I-steel (5).
4. A connection member for a tunnel supporting steel arch i-beam according to claim 1, wherein: the front end of the first connecting block (2) extends out of the front end of the first I-steel (1), and the rear end of the second connecting block (4) cannot exceed the rear end of the second I-steel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346312.7U CN219299327U (en) | 2022-12-14 | 2022-12-14 | Connecting component of I-steel of tunnel supporting steel arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346312.7U CN219299327U (en) | 2022-12-14 | 2022-12-14 | Connecting component of I-steel of tunnel supporting steel arch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299327U true CN219299327U (en) | 2023-07-04 |
Family
ID=86951652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223346312.7U Active CN219299327U (en) | 2022-12-14 | 2022-12-14 | Connecting component of I-steel of tunnel supporting steel arch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299327U (en) |
-
2022
- 2022-12-14 CN CN202223346312.7U patent/CN219299327U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219299327U (en) | Connecting component of I-steel of tunnel supporting steel arch frame | |
| CN209907177U (en) | Steel bridge installed by adopting assembled bridge abutment | |
| CN107023020B (en) | Horizontal internal support system of deep foundation pit assembled type combined steel structure and construction method thereof | |
| CN211081084U (en) | Tool type pole holding safety protection device | |
| CN220415391U (en) | I-steel embedded connecting component of tunnel supporting steel arch frame | |
| CN212955985U (en) | Horizontal sleeper fixing device for shield tunnel | |
| CN210421140U (en) | Steel support and steel column and fixed foundation connection node for steel structure building | |
| CN111119660B (en) | High-strength door frame assembly module and installation method thereof | |
| CN205296409U (en) | Two -sided fixed anticreep steelframe connecting piece | |
| CN112095448A (en) | Assembled damping device of high-speed railway bridge and application method and replacement method thereof | |
| CN215253437U (en) | Steel construction high-speed joint location node | |
| CN219909039U (en) | Photovoltaic support and assembly installation supporting structure | |
| CN220014010U (en) | Reinforced steel structure of steel structure joint | |
| CN218933148U (en) | Beam and H-shaped steel combined foundation pit supporting pile structure | |
| CN213233797U (en) | Fixing structure of steel beam and steel column | |
| CN217630836U (en) | O-shaped chamfered-edge multi-azimuth truss convenient to install | |
| CN110984172B (en) | Horizontal steel supporting mechanism for foundation pit supporting and use method thereof | |
| CN215802671U (en) | Steel structure combination beam for increasing bearing capacity of existing steel beam | |
| CN219508587U (en) | Deep foundation pit steel pipe diagonal bracing support | |
| CN214364893U (en) | Scaffold wall connecting piece | |
| CN215221676U (en) | Electric power tower | |
| CN215670073U (en) | H-shaped steel connecting structure | |
| CN214219348U (en) | Combined high-strength concrete bridge plate girder | |
| CN213174885U (en) | Pile cross beam reinforcement knot for industrial factory building | |
| CN216340444U (en) | Assembled building truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |