Pipe cable portal frame type supporting system

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a pipe cable portal frame type supporting system which comprises supporting steel pipes, a connecting beam and a connecting mechanism, the supporting steel pipes are arranged on an installation platform in an inserted mode, and the two ends of the connecting beam are connected to the two supporting steel pipes respectively. The connecting mechanism comprises an anti-abrasion component arranged on the supporting steel pipe, a steel strand arranged on the anti-abrasion component and a tightening component arranged on the steel strand, through the arrangement of the steel strand and the tightening component, the bending moment received by the steel pipe is converted into the tensile force of the steel strand through the deformation coordination of the supporting steel pipe and the steel strand, and through the tensile force of the steel strand, the anti-abrasion component is connected with the tightening component. Connection beam rods between the supporting steel pipes are changed into pressing rods, the supporting steel pipes distribute bending moment to form a door frame type supporting system, and therefore the effect of reducing deformation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit support technical field, concretely is a pipe cable portal frame type support system. BACKGROUND

[0002] Support refers to in the engineering construction process, through using various support structures and technical means, ensure the stability of underground space or construction area, prevent its collapse, deformation or other safety problems. Support is widely used in underground engineering, tunnel construction, foundation pit excavation, mining and other fields, is the important measure of guaranteeing construction safety and smooth progress. The main purpose of support is to reduce the deformation of soil or rock in the construction process through providing additional structural support, and dispersing the pressure exerted by the outside, preventing soil or rock collapse, so as to ensure the safety of personnel and equipment. Among them, for the foundation pit of the underground layer, the common enclosure forms are Larsen steel sheet pile (combined steel sheet pile) + steel support, geotechnical method + steel support, etc. All need to use the support inserted into the ground, increase the land occupation area of support, is not convenient for the excavation of foundation pit, increases the construction period and cost. SUMMARY

[0003] The utility model discloses a pipe cable portal frame type support system to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A pipe cable portal frame type support system, comprising:

[0006] Support steel pipe, the support steel pipe is inserted on the installation platform;

[0007] Contact beam, both ends of the contact beam are connected on two support steel pipes respectively;

[0008] Connecting mechanism, the connecting mechanism includes the anti-abrasion member arranged on the support steel pipe, the steel strand arranged on the anti-abrasion member, the tightening member arranged on the steel strand, the tightening member is used to tighten the steel strand that winds on the anti-abrasion member straight, and the anti-abrasion member is used to prevent the steel strand from rubbing the support steel pipe when tightening.

[0009] Preferably, the contact beam includes the fixing ring arranged on the support steel pipe and the contact beam rod arranged on the fixing ring.

[0010] Preferably, the support steel pipe is provided with a position adjusting screw hole, and the anti-abrasion member includes the mounting ring arranged on the support steel pipe, the anti-abrasion ring arranged on the mounting ring and the rope clamping groove arranged on the anti-abrasion ring.

[0011] Preferably, the fastener inserted through the mounting ring and inserted into the adjusting screw hole connects the mounting ring and the support steel pipe.

[0012] Preferably, the tightening member comprises a tightening box, a sleeve arranged on the tightening box and sleeved on the steel strand, an extension rod arranged on the tightening box, a tightening plate arranged on the extension rod, a clamping groove arranged on the tightening plate, and a locking hole arranged on the wall of the clamping groove.

[0013] Preferably, one end of the steel strand is provided with a fixing plate, and the other end of the steel strand is arranged on the tightening box, and the fixing plate is provided with a locking through hole.

[0014] Preferably, the fixing plate is inserted into the clamping groove, and after the locking hole is aligned with the locking through hole, the fastener is inserted to connect the tightening plate and the fixing plate, the extension rod drives the fixing plate to move, the steel strand is tightened and fixed in the clamping groove, and the anti-abrasion ring can rotate relative to the mounting ring to prevent the anti-abrasion ring and the steel strand from being abraded.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a steel strand and the setting of tightening member, utilize the deformation compatibility of support steel pipe and steel strand to convert the bending moment received by the steel pipe into the tension of steel strand, and through the tension of steel strand, the connecting beam between support steel pipes becomes the compression bar, and the support steel pipe distributes the bending moment and forms the portal support system, thereby achieving the effect of reducing deformation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structural schematic diagram of the utility model;

[0018] Fig. 2 It is the structural schematic diagram of the steel strand and the tightening member of the utility model;

[0019] Fig. 3 It is the structural schematic diagram of the tightening member of the utility model;

[0020] Fig. 4 It is the structural schematic diagram of the anti-abrasion member of the utility model.

[0021] In the figure: 1, support steel pipe; 2, steel strand; 3, fixing ring; 4, connecting beam rod; 5, position adjusting threaded hole; 6, mounting ring; 7, anti-abrasion ring; 8, rope clamping groove; 9, tightening box; 10, sleeve pipe; 11, telescopic rod; 12, tightening plate; 13, clamping groove; 14, locking hole; 15, fixing plate; 16, locking through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1 to 4 The utility model provides a technical scheme:

[0024] A pipe cable portal type support system, comprising:

[0025] The support steel pipe 1 is inserted on the installation platform, and the support steel pipe 1 can be inserted with several roots according to actual use, and the installation platform is the ground or the like, and the position adjusting threaded hole 5 is formed in the support steel pipe 1, and the position adjusting threaded hole 5 is arranged in the axial direction of the support steel pipe 1.

[0026] The connecting beam is connected to the two support steel pipes 1 at both ends respectively, and the connecting beam comprises a fixing ring 3 and a connecting beam rod 4, the fixing ring 3 is arranged on the support steel pipe 1, the fixing ring 3 is fixedly connected with the support steel pipe 1 by welding or arranging bolts or the like, the connecting beam rod 4 is arranged on the fixing ring 3, the fixing ring 3 is arranged at both ends of the connecting beam rod 4, both ends of the connecting beam rod 4 are connected to the two support steel pipes 1 respectively, and the fixing ring 3 is fixedly connected with the fixing ring 3 by arranging bolts or shaft pins or the like.

[0027] The connecting mechanism comprises an anti-abrasion member arranged on the support steel pipe 1, a steel strand 2 arranged on the anti-abrasion member and a tightening member arranged on the steel strand 2, the anti-abrasion member comprises a mounting ring 6, an anti-abrasion ring 7 and a rope clamping groove 8, the mounting ring 6 is arranged on the support steel pipe 1, after being inserted through the mounting ring 6, a fastener such as a bolt is inserted into the position adjusting threaded hole 5, the mounting ring 6 and the support steel pipe 1 are fixedly connected, an annular notch is formed in the mounting ring 6, the anti-abrasion ring 7 is arranged on the annular notch of the mounting ring 6, the anti-abrasion ring 7 is rotatably connected with the mounting ring 6 by arranging bearings or the like, and the rope clamping groove 8 is formed in the anti-abrasion ring 7.

[0028] The tightening member comprises a tightening box 9, a sleeve 10, an extension rod 11, a tightening plate 12, a clamping groove 13 and a locking hole 14, one end of the steel strand 2 is provided with a fixing plate 15, the fixing plate 15 is fixedly connected with the steel strand 2 by welding or the like, a plurality of fixing plates 15 are arranged on the steel strand 2, the other end of the steel strand 2 is arranged on the tightening box 9, the steel strand 2 is fixedly connected with the tightening box 9 by welding or the like, the locking through hole 16 is arranged on the fixing plate 15, the sleeve 10 is arranged on the tightening box 9 and is sleeved on the steel strand 2, the sleeve 10 is fixedly connected with the tightening box 9 by welding or the like, the sleeve 10 is movably connected with the steel strand 2, the extension rod 11 is arranged on the tightening box 9, the extension rod 11 is fixedly connected with the side wall of the tightening box 9 by arranging bolts or the like, the tightening plate 12 is arranged on the extension rod 11, the tightening plate 12 is fixedly connected with the extension rod 11 by arranging bolts or the like, the clamping groove 13 is arranged on the tightening plate 12, the locking hole 14 is arranged on the wall of the clamping groove 13, the fixing plate 15 is inserted into the clamping groove 13, after the locking hole 14 is aligned with the locking through hole 16, the fastener is inserted to connect the tightening plate 12 and the fixing plate 15, the extension rod 11 drives the fixing plate 15 to move, so that the steel strand 2 is tightly fixed in the rope clamping groove 8, the anti-abrasion ring 7 can rotate relative to the mounting ring 6, so that the anti-abrasion ring 7 and the steel strand 2 are prevented from being abraded.

[0029] Working principle: when in use, the supporting steel pipe 1 is driven into the mounting platform, the fixing ring 3 and the mounting ring 6 are mounted on the supporting steel pipe 1, the contact beam 4 is mounted on the fixing ring 3, then the steel strand 2 is wound on the anti-abrasion ring 7, the fixing plate 15 is inserted into the clamping groove 13 after selecting a suitable position, the locking hole 14 is aligned with the locking through hole 16, the fastener is inserted to connect the tightening plate 12 and the fixing plate 15, the extension rod 11 is started, the fixing plate 15 is driven to move, so that the steel strand 2 is tightly fixed in the rope clamping groove 8, the bending moment received by the steel pipe is converted into the tension of the steel strand 2 by the deformation compatibility of the supporting steel pipe 1 and the steel strand 2, the contact beam 4 between the supporting steel pipes 1 becomes a compression rod through the tension of the steel strand 2, the supporting steel pipes 1 distribute the bending moment to form a portal type support system, so that the effect of reducing deformation is achieved.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tendon gantry support system, characterized in that, The utility model relates to a supporting steel pipe, a connecting beam and a connecting mechanism. The connecting beam is connected to two supporting steel pipes at both ends. The connecting mechanism comprises an anti-abrasion member arranged on the supporting steel pipe, a steel strand arranged on the anti-abrasion member, and a tightening member arranged on the steel strand. The anti-abrasion member is used to prevent the steel strand from rubbing against the supporting steel pipe when the steel strand is tightened.

2. A tendon gantry support system according to claim 1, characterised in that: The connecting beam comprises a fixing ring arranged on the supporting steel pipe and a connecting beam rod arranged on the fixing ring.

3. A tendon gantry support system according to claim 1, wherein: The supporting steel pipe is provided with a position-adjusting threaded hole.

4. A tendon gantry support system according to claim 3, wherein: The anti-abrasion member comprises a mounting ring arranged on the supporting steel pipe, an anti-abrasion ring arranged on the mounting ring, and a rope clamping groove arranged on the anti-abrasion ring.

5. A tendon gantry support system according to claim 4, wherein: A fastener is inserted into the position-adjusting threaded hole after passing through the mounting ring to connect the mounting ring and the supporting steel pipe.

6. A tendon gantry support system according to claim 5, wherein: The tightening member comprises a tightening box, a sleeve arranged on the tightening box and sleeved on the steel strand, an extension rod arranged on the tightening box, a tightening plate arranged on the extension rod, a clamping groove arranged on the tightening plate, and a locking hole arranged on the wall of the clamping groove.

7. A tendon gantry support system according to claim 6, wherein: One end of the steel strand is provided with a fixing plate, and the other end of the steel strand is arranged on the tightening box. The fixing plate is provided with a locking through hole. The fixing plate is inserted into the clamping groove, and after the locking hole is aligned with the locking through hole, a fastener is inserted to connect the tightening plate and the fixing plate. The extension rod drives the fixing plate to move, so that the steel strand is tightened and fixed in the rope clamping groove. The anti-abrasion ring can rotate relative to the mounting ring to prevent the anti-abrasion ring and the steel strand from being abraded.

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