SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel shotcrete connection structure aims at solving the not enough problem of intensity and rigidity of excavation supporting's among the prior art steel shotcrete junction.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a steel shotcrete connection structure for connect two adjacent bodys, including two tip each other can dismantle the body of connection and two set up respectively the flange plate of body tip, two the mutual butt of flange plate sets up, two still be provided with fixed knot between the flange plate and construct, two the tip of body passes through flange plate with fixed knot constructs mutual detachable and connects fixedly.
As another embodiment of this application, fixed knot constructs including a plurality of settings on two the connection flange dish and run through the installation via hole of connection flange dish and wear to establish be used for with two in the installation via hole the fastener that the connection flange dish compresses tightly fixedly.
As another embodiment of this application, the connection flange dish includes the connection disk body, and set up in connect disk body side and be used for with the connection disk body is fixed to the solid fixed sleeving of body tip, gu fixed sleeving suit sets up body tip.
As another embodiment of this application, the adapter sleeve with the tip of body is threaded connection, be provided with first screw on the adapter sleeve's the inner wall, also be provided with on the tip of body with the first screw assorted second screw of adapter sleeve's the first screw of inner wall.
As another embodiment of the application, a buffer gasket is further arranged between the two connecting flange discs, and a mounting through hole is also formed in the buffer gasket.
As another embodiment of this application, the material of buffer spacer is polytetrafluoroethylene and wraps the rubber material finished piece, buffer spacer surface still is provided with anti-skidding line.
As another embodiment of the present application, an anti-rotation mechanism for preventing the connection flange plate from falling off is further provided between the pipe body and the connection flange plate.
As another embodiment of this application, prevent changeing the mechanism and include that two tip are fixed to be set up the other end is located on fixation sleeve's the inner wall the body is inside prevent changeing the baffle and the detachable clamps and is in prevent changeing the card on the inner wall of body, two prevent changeing the baffle interval and set up, prevent changeing the card and be located two prevent changeing in the clearance between the baffle.
As another embodiment of this application, the tip of body still is provided with the mounting groove that is used for the installation to prevent changeing the card, prevent changeing the card and peg graft and set up in the mounting groove.
As another embodiment of the application, the two anti-rotation baffles are symmetrically arranged around the center of the axis of the fixed sleeve.
The utility model provides a steel shotcrete connection structure's beneficial effect lies in: compared with the prior art, through be provided with the connection flange dish at the tip of body, when two bodys interconnect, with two connection flange dish mutual butt to through mutual fixed between fixed knot constructs with two connection flange dishes. The utility model discloses steel shotcrete connection structure has improved the connected mode of steel shotcrete, has the installation and dismantles the convenience, and junction intensity and rigidity are high, can bear advantages such as higher pressure and non-deformable.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, the steel support connection structure provided by the present invention will now be described. Steel shotcrete connection structure, including two tip each other can dismantle the body 1 of connection and two connection flange dishes 2 that set up respectively at body 1 tip, two mutual butt settings of connection flange dish 2 still are provided with fixed knot structure between two connection flange dishes 2, and two connection flange dishes 2 are hugged closely through the fixed knot structure pressfitting and are in the same place, and the tip of two body 1 is passed through connection flange dish 2 and fixed knot structure mutual detachable and is connected fixedly.
The steel shotcrete connection structure that this embodiment provided compares with prior art, is provided with connection flange dish 2 through the tip at body 1, when two body 1 interconnect, with two connection flange dish 2 mutual butts to through fixed knot structure with reciprocal anchorage between two connection flange dish 2. The utility model discloses steel shotcrete connection structure has increased the area of contact of 1 tip of body through setting up connecting flange dish 2, has improved the connected mode of steel shotcrete, has the installation and dismantles the convenience, can bear advantages such as higher pressure and non-deformable.
In this embodiment, the connection flange plate 2 is made of stainless steel, so that the connection flange plate 2 has better corrosion resistance, can bear larger pressure and resist corrosion, and can be reused for many times.
As a specific implementation manner of the steel support connection structure provided by the present invention, please refer to fig. 3 together, the fixing structure includes a plurality of installation via holes that are arranged on the two connection flange discs 2 and run through the connection flange discs 2, and a fastener 3 that is arranged in the installation via hole and used for compressing the two connection flange discs 2 to be fixed. When two bodies 1 are fixed to each other, the connecting flange plate 2 at the end of one body 1 is abutted to the side face of the connecting flange plate 2 at the end of the other body 1, then the mounting through holes on the two connecting flange plates 2 are aligned, a fastener 3 is used for penetrating through the mounting through holes and then fixing the two connecting flange plates 2, the diameter of each connecting flange plate 2 is larger than that of the body 1, the contact area of the end parts of the two bodies 1 is increased by the arrangement of the connecting flange plates 2, and the connection between the two bodies 1 is fixed more firmly. And the number of the mounting through holes is a plurality of the mounting through holes which are all positioned on the circumference of the pipe body 1, the number of the mounting through holes and the fasteners 3 is preferably 4, and the mounting through holes and the fasteners are uniformly distributed along the circumferential direction of the connecting flange 2.
As a specific implementation manner of the steel support connection structure provided by the present invention, please refer to fig. 1 and fig. 2, the connection flange 2 includes the connection disk body 21 and the fixing sleeve 22 disposed on the side of the connection disk body 21 for fixing the connection disk body 21 to the end of the pipe body 1, and the fixing sleeve 22 is sleeved on the end of the pipe body 1. The mounting of the connection flange 2 to the end of the tubular body 1 is facilitated and secured.
As a specific implementation manner of the steel support connection structure provided by the present invention, please refer to fig. 1 and fig. 2, the fixing sleeve 22 is connected with the end of the pipe body 1 by a screw thread, the inner wall of the fixing sleeve 22 is provided with a first screw thread, and the end of the pipe body 1 is also provided with a second screw thread matched with the first screw thread of the inner wall of the fixing sleeve 22. The threaded connection facilitates the mounting of the connection flange 2.
As a specific embodiment of the steel support connection structure provided in the present invention, please refer to fig. 1 and fig. 2, a cushion pad 4 is further disposed between the two connection flange discs 2, and the cushion pad 4 is also provided with an installation via hole. When the two pipe bodies 1 receive external force, the buffer gaskets 4 are arranged, so that the steel support steel pipe is not easy to be subjected to strong extrusion deformation through the deformation and the resilience of the buffer gaskets 4, and the requirement on rigidity is met.
As a specific embodiment of the steel support connection structure provided by the present invention, please refer to fig. 1 and 2, the material of the cushion pad 4 is made of teflon-coated rubber, and the surface of the cushion pad 4 is further provided with anti-slip lines. The anti-slip patterns are arranged to prevent the buffer gaskets 4 from sliding between the two connecting flange plates 2, the buffer gaskets 4 are made of polytetrafluoroethylene coated rubber materials, so that the elastic performance of the buffer gaskets 4 is better, and the anti-aging performance of the buffer gaskets 4 in the night market is better.
As a specific embodiment of the steel support connection structure provided in the present invention, please refer to fig. 3, an anti-rotation mechanism 5 for preventing the connection flange plate 2 from falling off is further disposed between the pipe body 1 and the connection flange plate 2. The anti-rotation mechanism 5 is arranged to prevent the connecting flange plate 2 from falling off from the end part of the pipe body 1 due to rotation caused by stress after the connecting flange plate 2 is installed at the end part of the pipe body 1 through threads, so that the pipe body 1 and the connecting flange plate 2 are more firmly and reliably connected, and the steel support connecting structure is safer to use.
As a specific embodiment of the steel support connection structure provided in the present invention, please refer to fig. 3, the rotation-preventing mechanism 5 includes two end fixing devices, which are disposed on the inner wall of the fixing sleeve 22, and the other end of the rotation-preventing mechanism is disposed on the rotation-preventing baffle 51 inside the pipe body 1, and a rotation-preventing card 52 detachably clamped on the inner wall of the pipe body 1, wherein the two rotation-preventing baffles 51 are disposed at intervals, and the rotation-preventing card 52 is disposed in the gap between the two rotation-preventing baffles 51. The end part of the anti-rotation baffle 51 extends into the inside of the pipe body 1 after the fixing sleeve 22 is installed on the end part of the pipe body 1 through threads, then the anti-rotation clamping piece 52 is clamped and fixed on the inner wall of the pipe body 1, and the anti-rotation clamping piece 52 is positioned in a gap between the two anti-rotation baffle 51, so that the connection flange disc 2 is prevented from rotating when being installed on the end part of the pipe body 1, and the steel support connection structure is safer to use.
As a specific embodiment of the steel support connection structure provided in the present invention, please refer to fig. 3, the end of the pipe body 1 is further provided with a mounting groove for installing the anti-rotation clamping piece 52, and the anti-rotation clamping piece 52 is inserted and disposed in the mounting groove. The installation groove is arranged, so that the installation and the fixation of the anti-rotation clamping piece 52 are more convenient. And after the anti-rotation clamping pieces 52 are installed, the side surfaces of the anti-rotation clamping pieces 52 slightly protrude the side surfaces of the connecting disc body 21 of the connecting flange disc 2, so that after the two pipe bodies 1 are connected with each other, the side surfaces of the anti-rotation clamping pieces 52 at the end parts of the two pipe bodies 1 can be abutted against each other, and the anti-rotation clamping pieces 52 are prevented from being separated from the installation grooves.
As a specific implementation manner of the steel support connection structure provided by the present invention, please refer to fig. 3, two anti-rotation baffles 51 are symmetrically arranged around the center of the axle center of the fixing sleeve 22, and a gap for accommodating the anti-rotation clamping piece 52 is further provided between the two anti-rotation baffles 51, and the two anti-rotation baffles 51 adopt the installation method, so that the stress of the two fixing sleeves 22 is more balanced, and the fixing sleeve 22 is prevented from being damaged due to the local stress.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.