CN213062028U - H-shaped force transmission safety connection structure for foundation pit assembled type steel inner support - Google Patents
H-shaped force transmission safety connection structure for foundation pit assembled type steel inner support Download PDFInfo
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- CN213062028U CN213062028U CN202021475478.7U CN202021475478U CN213062028U CN 213062028 U CN213062028 U CN 213062028U CN 202021475478 U CN202021475478 U CN 202021475478U CN 213062028 U CN213062028 U CN 213062028U
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Abstract
The utility model discloses a foundation pit assembly type steel inner support H-shaped force transmission safety connection structure, which comprises an H-shaped main force transmission part, a foundation pit supporting pile connecting part and an enclosing purlin connecting part, wherein, the H-shaped main force transmission) one end is connected with the foundation pit supporting pile connecting part which is connected with a foundation pit supporting pile through a fastening component; the other end of the H-shaped main force transmission piece is connected with the enclosing purlin, and the enclosing purlin connecting piece is connected with the profile steel enclosing purlin through the fastening assembly. The utility model discloses can replace the concrete to enclose the purlin, solve the concrete and enclose the shortcoming that the purlin construction was loaded down with trivial details length consuming time. Simultaneously the utility model discloses the fender pile side of unevenness is adjusted on a straight line, can also transmit the vertical horizontal component transmission that steel shotcrete diagonal bracing member passed for shaped steel encloses the purlin for the fender pile, reduces the size that shaped steel encloses the axle power, increases the security that shaped steel encloses the purlin and practices thrift the time limit for a project, can reliably, effectual connection foundation ditch fender pile and shaped steel enclose the purlin to guarantee the bulk strength of interior support of foundation ditch.
Description
Technical Field
The utility model relates to an interior H type biography power safe connection structure that supports of shaped steel, specificly relate to an interior H type biography power safe connection structure that supports of foundation ditch assembled shaped steel, mainly be used for the interior construction of supporting of foundation ditch assembled shaped steel, play the power transmission between shaped steel and the fender pile, belong to the excavation supporting technical field.
Background
Generally speaking, with the development of deep foundation pit construction technology, more and more deep and large foundation pits and foundation pits with complex surrounding environments adopt an inner support supporting mode, the construction of a conventional reinforced concrete inner support is complicated, and the maintenance time is long; the concrete is broken during dismantling, so that the construction period is long and the dismantling cost is high. The assembled steel support is used as a novel foundation pit supporting form, all components are manufactured and processed in a factory, combined and assembled on site, and connected by high-strength bolts, so that the formed foundation pit support system has the advantages of high construction speed, low cost, energy conservation, environmental friendliness and the like, and is widely applied.
When traditional foundation ditch adopted assembled steel shotcrete, because the pile position has the deviation during fender pile construction, the straightness that hangs down also has certain deviation, the circumstances such as hole enlargement probably appear in the pile footpath inevitable, lead to shaped steel to enclose the purlin before the construction and generally adopt the concrete to enclose the purlin and adjust, enclose the side of the fender pile of unevenness with the concrete and adjust on a straight line. Although the concrete purlin can adjust the side of the supporting pile, the concrete purlin is complex in construction, long in maintenance time and difficult to dismantle, and the concrete purlin has reduced the advantages of assembled steel supports, has great drawbacks and is often very inconvenient.
Therefore, the key point for solving the technical problems is to develop a foundation pit fabricated profile steel inner support H-shaped force transmission safety connection structure with stronger practicability and higher working reliability.
Disclosure of Invention
To a great deal of defect and not enough that exist among the above-mentioned background art, also need to enclose the purlin with the concrete in order to solve shaped steel and adjust, increase the technical problem of time limit for a project, the utility model discloses improve and the innovation to this, aim at provides one kind can adjust the fender pile side of unevenness on a straight line, makes shaped steel enclose the purlin can transmit the holding power for fender pile uniformly, can also transmit the vertical horizontal component power that shaped steel enclosed the purlin for shaped steel with steel support diagonal bracing member and transmit for fender pile, reduces shaped steel and encloses purlin axial force, avoids using the concrete to enclose the shorter advantage of time limit for a project that the purlin weakens the steel shotcrete when increasing shaped steel encloses the security of purlin.
The utility model discloses another invention aim at realize simple structure, novel structure is reasonable, reduces the size that shaped steel encloses the axial force, increases the security and the saving time limit for a project that shaped steel encloses the purlin.
The utility model discloses a still another invention purpose has that structural strength is high, stability is good, can reliably bear the initiative soil pressure that comes from the foundation ditch outside, realizes reliably, the effectual foundation ditch fender pile of connecting and shaped steel encloses the purlin to guarantee the bulk strength of support in the foundation ditch.
The utility model also aims to ensure that the section steel inner supporting beam is supported between the enclosing purlin beams in a horizontal state, thereby ensuring the supporting capability and the supporting stability of the section steel inner supporting beam on the foundation pit and ensuring that the section steel enclosing purlin and the foundation pit supporting pile can effectively transfer force; the field construction is convenient and quick.
In order to solve the above problems and achieve the above object, the present invention provides a safety connection structure for supporting an H-shaped force transmission in a foundation pit fabricated section steel, which is implemented by adopting the following design structure and the following technical solution:
as the utility model relates to an improvement of H type biography power safe connection structure in foundation ditch assembled shaped steel, it includes H type main biography power piece (1) and foundation ditch fender pile connecting piece (2) and encloses purlin connecting piece (3), wherein, H type main biography power piece (1) one end is connected foundation ditch fender pile connecting piece (2), foundation ditch fender pile connecting piece (2) are connected with foundation ditch fender pile (5) through fastening assembly (4); the other end of the H-shaped main force transmission piece (1) is connected with a surrounding purlin connecting piece (3), and the surrounding purlin connecting piece (3) is connected with a profile steel surrounding purlin (6) through a fastening assembly (4).
As the improvement of the utility model, the H-shaped main force transmission piece (1) is I-shaped steel;
the foundation pit support pile connecting piece (2) is integrally a plate-shaped member, connecting holes (21) are formed in four corners of the plate-shaped member, the connecting holes (21) are bolt holes, and the bolt holes penetrate through the front side and the back side of the foundation pit support pile connecting piece (2).
As the utility model discloses foretell further improvement, enclose purlin connecting piece (3) wholly for the platelike body component, all seted up fixed orifices (31) in the four corners department of this platelike body component, fixed orifices (31) are the bolt hole, and the bolt hole link up encloses the positive and negative of purlin connecting piece (3).
As the utility model discloses foretell further improvement, foundation ditch fender pile connecting piece (2) with enclose purlin connecting piece (3) and H type owner and pass and be fixed connection between power piece (1).
As the utility model discloses foretell further improvement again, still be provided with at least one fender pile time and pass power piece (7) between fender pile connecting piece (2) and H type owner pass power piece (1), fender pile time passes power piece (7) and is triangle-shaped plate-like body component.
As the utility model discloses foretell further improvement again, fender pile secondary power transmission piece (7) one end is passed with H type owner and is passed power piece (1) and be connected, and the other end is connected with fender pile connecting piece (2).
As the utility model discloses foretell still further improvement, still be provided with at least one between enclosing purlin connecting piece (3) and H type owner biography power piece (1) and enclose purlin inferior biography power piece (8), enclose purlin inferior biography power piece (8) and be triangular plate-like body component.
As the utility model discloses foretell still further improvement again, enclose the purlin and pass the one end of power piece (8) and be connected with H type owner power piece (1) once more, the other end with enclose purlin connecting piece (3) and be connected.
As the utility model discloses foretell still further improvement again, still including being provided with isolation protection pad (9), isolation protection pad (9) detachable liftoff is installed in foundation ditch fender pile connecting piece (2) or is enclosing the free end department of purlin connecting piece (3) or foundation ditch fender pile connecting piece (2) and encloses the free end of purlin connecting piece (3) and all installs.
As the utility model discloses the foretell still further improvement more, pass power spare (1), foundation ditch fender pile connecting piece (2), enclose purlin connecting piece (3), fastening components (4) and foundation ditch fender pile (5) and shaped steel enclose on the surface of purlin (6) all from interior to exterior according to the preface spraying have mould plastics layer and antirust coat and warning layer, scribble phosphor powder on the warning layer.
The working principle is as follows: before the H-shaped force transmission safety connection structure with the designed structure for the foundation pit assembled type steel inner support is used, the H-shaped force transmission safety connection structure needs to be manufactured and installed for standby.
During manufacturing, the H-shaped main force transmission piece (1) is made of I-shaped steel, and the length of the I-shaped steel is cut on site according to the distance between the profile steel purlin (6) and each foundation pit supporting pile (5);
the H-shaped main force transfer piece (1) is welded with the foundation pit support pile connecting piece (2) and the purlin enclosing connecting piece (3), wherein,
the foundation pit support pile connecting piece (2) is a plate-shaped body processed and manufactured by a square steel plate, and four corners of the plate-shaped body are respectively provided with a connecting hole (21) for a fastening component (4) or a screw to pass through; the fastening component (4) or the connecting hole (21) through which the screw rod passes is movably connected with the foundation pit support pile (5); the purlin enclosing connecting piece (3) is a plate-shaped body processed and manufactured by a square steel plate, and four corners of the plate-shaped body are respectively provided with a fixing hole (31) for the fastening component (4) to pass through; the fastening assembly (4) penetrates through the fixing hole (31) and then is movably connected with the profile steel purlin (6); enclose purlin (6) and enclose purlin connecting piece (3) junction at shaped steel and install an isolation protection pad (9), isolation protection pad (9) are processed according to the shape of enclosing purlin connecting piece (3) and are formed, place in enclosing purlin connecting piece (3) and shaped steel and enclose between purlin (6) isolation protection pad (9), a fender pile passes power piece (7) and encloses purlin time and passes power piece (8) and be the platelike body that forms by the preparation of a triangle-shaped steel sheet, can install the use through haulage equipment or artifical its transport to appointed construction position after accomplishing according to the preparation of above-mentioned step.
During installation, constructors only need to connect the foundation pit support pile connecting piece (2) with the foundation pit support pile (5) through the fastening component (4) or the screw; enclose purlin connecting piece (3) through fastening components (4) with shaped steel enclose purlin (6) be connected can, simultaneously, enclose purlin connecting piece (3) and shaped steel enclose between purlin (6) one keep apart protection pad (9), shaped steel encloses purlin (6) and encloses purlin connecting piece (3) separation when the steel shotcrete of being convenient for demolishs, be convenient for retrieve, after the installation is accomplished, enclose the gap between purlin (6) and foundation ditch fender pile (5) with shaped steel and fill with the pea gravel concrete, thereby accomplish foundation ditch assembly type shaped steel and support the construction in, play the biography power effect between shaped steel and the fender pile.
Finally, along with the lapse of time, after the construction is finished, it is right to the utility model discloses demolish, when demolising, constructor only need to unscrew respectively and connect in foundation ditch fender pile connecting piece (2) and enclose screw rod assembly and bolt assembly (4) on purlin connecting piece (3) can with the utility model discloses demolish, clear up after demolising its each component part and restore its transport to appointed instrument storage warehouse can.
The utility model discloses in, the H type main power transmission piece (1) needs cutting unloading welding preparation as required after the on-the-spot actual measurement, H type main power transmission piece (1) and foundation ditch fender pile connecting piece (2) and enclose purlin connecting piece (3) and adopt the welding, foundation ditch fender pile connecting piece (2) adopt fastening components or screw rod to fix at foundation ditch fender pile (5) pile body, enclose purlin connecting piece (3) and shaped steel enclose purlin (6) and adopt fastening components (4) to be connected, the centre adopts and encloses purlin connecting piece (3) isomorphism isolation protection pad (9) and cut off.
Compared with the prior art, the utility model produced beneficial effect is:
1. the utility model discloses can replace the concrete to enclose the purlin, solve the concrete and enclose the shortcoming that the purlin construction was loaded down with trivial details length consuming time. Meanwhile, the uneven side surface of the support pile is adjusted on the same straight line, and the longitudinal horizontal component force transmitted to the profile steel purlin by the steel support oblique supporting rod piece can be transmitted to the support pile, so that the magnitude of the profile steel axis force is reduced, the safety of the profile steel purlin is improved, and the construction period is saved;
2. the utility model has the characteristics of high structural strength, good stability and reliable bearing of the active soil pressure from the outside of the foundation pit;
3. the utility model has the advantages of high installation efficiency, capability of ensuring the integrity and construction quality of the structure, low construction cost and good construction effect;
4. the utility model can reliably and effectively connect the foundation pit supporting pile and the profile steel purlin, thereby ensuring the integral strength of the foundation pit inner support;
5. the utility model can ensure that the profile steel inner supporting beam is supported between the surrounding purlin beams in a horizontal state, thereby ensuring the supporting capacity and the supporting stability of the profile steel inner supporting beam to the foundation pit; the force can be effectively transferred between the profile steel purlin and the foundation pit supporting pile; the installation is convenient and quick in site operation;
6. the utility model has flexible adjustment and convenient installation, the H-shaped force transmission safety connection structure can transmit the soil pressure to the profile steel purlin and then to the profile steel supporting system, and can also transmit the internal force of the profile steel support to the foundation pit supporting pile through the profile steel purlin, and can transmit the longitudinal component force of the profile steel purlin to the foundation pit supporting pile, thereby reducing the axial stress of the steel support;
7. the arrangement of the secondary force transmission piece of the middle retaining pile and the secondary force transmission piece of the enclosing purlin can also disperse the axial force transmission on the H-shaped main force transmission piece to the secondary force transmission piece of the retaining pile and the secondary force transmission piece of the enclosing purlin, reduce the axial force supported by the H-shaped main force transmission piece, and ensure that the structural steel enclosing purlin and the foundation pit retaining pile can effectively transmit force;
8. the utility model discloses an anti-rust paint on the outside, consequently can prevent also to prolong whole H type when rusty and pass power safe connection structure's life, also saved the resource when realizing the environmental protection, simultaneously, the outside at H type biography power safe connection structure scribbles the fluorescent material that can self-luminous, can clearly mark this H type and pass power safe connection structure's position in night or darkroom and underground construction environment, can play the effect of safe suggestion effectively.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the installation relationship between the present invention and the isolation and protection pad (9);
fig. 4 is a schematic view of the usage state of the present invention;
wherein, the reference numbers in the figures: 1-H-shaped main force transfer member;
2-foundation pit support pile connecting piece, 21-connecting hole;
3-enclosing purlin connecting piece, 31-fixing hole;
4-a fastening assembly;
5, supporting piles of the foundation pit;
6-profile steel purlin surrounding;
7, supporting a secondary force transmission piece of the pile;
8-secondary force transmission piece of surrounding purlin;
9-isolation protection pad.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The H-shaped force transmission safety connection structure for the foundation pit fabricated section steel inner support comprises an H-shaped main force transmission part 1, a foundation pit supporting pile connecting part 2 and an enclosing purlin connecting part 3, wherein one end of the H-shaped main force transmission part 1 is connected with the foundation pit supporting pile connecting part 2, and the foundation pit supporting pile connecting part 2 is connected with a foundation pit supporting pile 5 through a fastening component 4; the other end of the H-shaped main force transmission piece 1 is connected with a surrounding purlin connecting piece 3, and the surrounding purlin connecting piece 3 is connected with a section steel surrounding purlin 6 through a fastening assembly 4.
The utility model discloses in, fastening components includes the bolt and the nut of accomplishing work of arranging with it mutually, and the nut is screwed and is installed in the free tip of bolt, and wherein, the bolt is ordinary bolt, flat head bolt or hexagon bolt, and the nut is ordinary nut, flat head nut or hexagon nut.
Further, the H-shaped main force transmission piece 1 is I-shaped steel;
the foundation pit support pile connecting piece 2 is integrally a plate-shaped member, connecting holes 21 are formed in four corners of the plate-shaped member, the connecting holes 21 are bolt holes, and the bolt holes penetrate through the front side and the back side of the foundation pit support pile connecting piece 2.
Further, enclose purlin connecting piece 3 wholly for the platelike body component, all seted up fixed orifices 31 in the four corners department of this platelike body component, fixed orifices 31 are the bolt hole, and the bolt hole link up encloses purlin connecting piece 3's positive and negative.
Further, the foundation pit support pile connecting piece 2, the enclosing purlin connecting piece 3 and the H-shaped main force transmission piece 1 are fixedly connected.
The utility model discloses in, foundation ditch fender pile connecting piece 2 is the same with the shape size of enclosing purlin connecting piece 3 or inequality.
Furthermore, at least one supporting pile secondary force transmission part 7 is arranged between the supporting pile connecting part 2 and the H-shaped main force transmission part 1, and the supporting pile secondary force transmission part 7 is a triangular plate-shaped member.
Specifically, one end of a supporting pile secondary force transmission part 7 is connected with the H-shaped main force transmission part 1, and the other end of the supporting pile secondary force transmission part is connected with the supporting pile connecting part 2.
The utility model discloses in, fender pile time passes power piece 7 and sets up in the upper and lower extreme that is close to the H type owner of fender pile connecting piece 2 one side and passes power 1 or control the arbitrary one end of end or four ends and all set up.
Furthermore, at least one secondary force transmission piece 8 of the enclosing purlin is arranged between the connecting piece 3 of the enclosing purlin and the H-shaped main force transmission piece 1, and the secondary force transmission piece 8 of the enclosing purlin is a triangular plate-shaped member.
Specifically, enclose purlin secondary power piece 8's one end and H type owner pass power piece 1 and be connected, and the other end is connected with enclosing purlin connecting piece 3.
The utility model discloses in, enclose purlin time pass power piece 8 set up in the upper and lower extreme that is close to the H type owner who encloses purlin connecting piece 3 one side and passes power piece 1 or control the arbitrary one end of end or four ends and all set up.
Further, still including being provided with isolation protection pad 9, isolation protection pad 9 detachable liftoff is installed in foundation ditch fender pile connecting piece 2 or encloses the free end department of purlin connecting piece 3 or foundation ditch fender pile connecting piece 2 and encloses the free end of purlin connecting piece 3 and all installs.
The utility model discloses in, the shape size of isolation protection pad 9 matches with the shape size of foundation ditch fender pile connecting piece 2 and purlin connecting piece 3, and simultaneously, this isolation protection pad 9 is rubber pad or cloth pad.
Further, all from interior to exterior according to the preface spraying have the layer of moulding plastics and antirust coat and warning layer on H type main biography power piece 1, foundation ditch fender pile connecting piece 2, enclose purlin connecting piece 3, fastening component 4 and foundation ditch fender pile 5 and shaped steel enclose the surface of purlin 6, scribble phosphor powder on the warning layer.
Specifically, a high-molecular wear-resistant material is injected on the injection molding layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a yellow or black reflective warning tape or a reflective color film or reflective paint.
To sum up, the utility model discloses more specific embodiment is:
before the H-shaped force transmission safety connection structure with the designed structure for the foundation pit assembled type steel inner support is used, the H-shaped force transmission safety connection structure needs to be manufactured and installed for standby.
During manufacturing, the H-shaped main force transmission piece 1 is made of I-shaped steel, and the length of the I-shaped steel is cut on site according to the distance between the profile steel purlin 6 and each foundation pit supporting pile 5;
the H-shaped main force transfer piece 1 is welded with a foundation pit support pile connecting piece 2 and an enclosing purlin connecting piece 3, wherein,
the foundation pit support pile connecting piece 2 is a plate-shaped body processed and manufactured by a square steel plate, and four corners of the plate-shaped body are respectively provided with a connecting hole 21 for a fastening component 4 or a screw rod to pass through; the fastening component 4 or the connecting hole 21 through which the screw rod passes is movably connected with the foundation pit support pile 5;
the purlin connecting piece 3 is a plate-shaped body processed and manufactured by a square steel plate, and four corners of the plate-shaped body are respectively provided with a fixing hole 31 for the fastening component 4 to pass through; the fastening assembly 4 passes through the fixing hole 31 and then is movably connected with the section steel purlin 6; enclose purlin 6 and enclose purlin connecting piece 3 junction at shaped steel and install an isolation protection pad 9, isolation protection pad 9 is processed according to the shape that encloses purlin connecting piece 3 and forms, isolation protection pad 9 is placed in enclosing purlin connecting piece 3 and shaped steel and is enclosed between purlin 6, the fender pile passes power piece 7 and encloses purlin time and passes power piece 8 and be the platelike body that is formed by a triangle-shaped steel sheet preparation, can install its use to appointed construction position through haulage equipment or the manual work after accomplishing according to the preparation of above-mentioned step.
During installation, constructors only need to connect the foundation pit support pile connecting piece 2 with the foundation pit support pile 5 through the fastening component 4 or the screw; enclose purlin connecting piece 3 through fastening components 4 with shaped steel enclose purlin 6 be connected can, simultaneously, enclose purlin connecting piece 3 and shaped steel enclose between the purlin 6 fill up one and keep apart protection pad 9, shaped steel encloses purlin 6 and encloses purlin connecting piece 3 separation when the steel shotcrete of being convenient for demolishs, be convenient for retrieve, after the installation is accomplished, enclose shaped steel and fill with the pea gravel concrete in the gap between purlin 6 and the foundation ditch fender pile 5, thereby accomplish the interior construction of supporting of foundation ditch assembled shaped steel, play the biography power effect between shaped steel and the fender pile.
Finally, along with the lapse of time, after the construction is finished, it is right to the utility model discloses demolish, when demolising, constructor only need unscrew respectively connect in foundation ditch fender pile connecting piece 2 and enclose screw assembly and bolt assembly 4 on the purlin connecting piece 3 can with the utility model discloses demolish, clear up after demolising its each component part and restore its carry to appointed instrument warehouse save can.
The utility model discloses in, H type owner passes power 1 and needs cutting unloading welding preparation as required after the on-the-spot actual measurement, H type owner passes power 1 and foundation ditch fender pile connecting piece 2 and encloses purlin connecting piece 3 and adopts the welding, foundation ditch fender pile connecting piece 2 adopts fastening components or screw rod to fix at foundation ditch fender pile 5 pile body, encloses purlin connecting piece 3 and shaped steel and encloses purlin 6 and adopt fastening components 4 to be connected, the centre adopts and encloses 3 isomorphs of purlin connecting piece and keep apart protection pad 9 and cut off.
In the whole implementation operation process, a constructor needs to measure and place the pile position on the inner side of the foundation pit supporting pile 5 by using a total station, particularly the foundation pit supporting pile 5 with the largest deviation towards the inside of the foundation pit, and determines the position of an external connecting line of the section steel surrounding purlin 6 by taking the connecting line of the foundation pit supporting pile 5 with the largest deviation as a tangent; the elevation of the upper side line and the lower side line of the foundation pit support pile connecting piece 2 is laterally placed by using a level gauge so as to determine the position of the foundation pit support pile connecting piece 2; before the foundation pit support pile connecting piece 2 is constructed, elevation measurement and placement are firstly carried out, and then an air pick is used for breaking the sprayed surface concrete and the reinforcement protection layer of the foundation pit support pile 5 to expose the main reinforcement of the foundation pit support pile; foundation ditch fender pile connecting piece 2 links together through implanting the screw rod with foundation ditch fender pile 5, and the elevation is surveyed once more, and the deviation should be within 5mm, and the elevation is confirmed the back, bores 4 phi 22's round hole on foundation ditch fender pile 5 with the electric drill, and the hole depth is not less than 20cm, clears away downthehole ash and dust with instruments such as air pressure blowpipes, keeps downthehole clean, inserts four M20 chemical rubber tubes respectively, and the electric drill screw in screw rod flows out till the medicament. After the medicament is hardened, the foundation pit support pile connecting piece 2 is sleeved on the four screw rods, and the end part of the foundation pit support pile connecting piece is fixed by screwing a screw cap by a wrench.
Before the profile steel purlin 6 is installed, an axis datum point of the profile steel purlin 6 needs to be determined, and a total station is adopted to calculate and set the position of a supporting pile of the foundation pit which protrudes 5 most towards the inside of the foundation pit through coordinates so as to be used as a basis for setting the profile steel purlin 6; and (3) making a tangent line on the support piles 5 of the most protruded foundation pit to determine the position of the profile steel purlin 6, and marking the position points on the bracket to control the installation position of the profile steel purlin 6.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a foundation ditch assembled shaped steel inner support H type biography power safe connection structure which characterized in that: the foundation pit supporting pile fixing device comprises an H-shaped main force transmission piece (1), a foundation pit supporting pile connecting piece (2) and an enclosing purlin connecting piece (3), wherein one end of the H-shaped main force transmission piece (1) is connected with the foundation pit supporting pile connecting piece (2), and the foundation pit supporting pile connecting piece (2) is connected with a foundation pit supporting pile (5) through a fastening assembly (4); the other end of the H-shaped main force transmission piece (1) is connected with a surrounding purlin connecting piece (3), and the surrounding purlin connecting piece (3) is connected with a profile steel surrounding purlin (6) through a fastening assembly (4).
2. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: the H-shaped main force transmission piece (1) is I-shaped steel;
the foundation pit support pile connecting piece (2) is integrally a plate-shaped member, connecting holes (21) are formed in four corners of the plate-shaped member, the connecting holes (21) are bolt holes, and the bolt holes penetrate through the front side and the back side of the foundation pit support pile connecting piece (2).
3. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: enclose purlin connecting piece (3) whole and be the platelike body component, all seted up fixed orifices (31) in the four corners department of this platelike body component, fixed orifices (31) are the bolt hole, and the bolt hole link up encloses the positive and negative of purlin connecting piece (3).
4. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: the foundation pit support pile connecting piece (2) and the enclosing purlin connecting piece (3) are fixedly connected with the H-shaped main force transmission piece (1).
5. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: at least one supporting pile secondary force transmission piece (7) is arranged between the supporting pile connecting piece (2) and the H-shaped main force transmission piece (1), and the supporting pile secondary force transmission piece (7) is a triangular plate-shaped member.
6. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit as claimed in claim 5, is characterized in that: one end of the supporting pile secondary force transmission piece (7) is connected with the H-shaped main force transmission piece (1), and the other end of the supporting pile secondary force transmission piece is connected with the supporting pile connecting piece (2).
7. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: at least one secondary force transmission piece (8) of the enclosing purlin is arranged between the connecting piece (3) of the enclosing purlin and the H-shaped main force transmission piece (1), and the secondary force transmission piece (8) of the enclosing purlin is a triangular plate-shaped body component.
8. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit as claimed in claim 7, is characterized in that: one end of the secondary force transmission piece (8) of the enclosing purlin is connected with the H-shaped main force transmission piece (1), and the other end of the secondary force transmission piece is connected with the connecting piece (3) of the enclosing purlin.
9. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: still including being provided with isolation protection pad (9), isolation protection pad (9) detachable liftoff is installed in foundation ditch fender pile connecting piece (2) or encloses the free end department of purlin connecting piece (3) or foundation ditch fender pile connecting piece (2) and encloses the free end of purlin connecting piece (3) and all installs.
10. The H-shaped force transmission safety connection structure for the inner support of the fabricated section steel of the foundation pit according to claim 1, is characterized in that: all from interior to exterior according to the preface spraying have the layer of moulding plastics and antirust coat and warning layer on H type main biography power piece (1), foundation ditch fender pile connecting piece (2), enclose purlin connecting piece (3), fastening components (4) and foundation ditch fender pile (5) and shaped steel enclose the surface of purlin (6), scribble phosphor powder on the warning layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475478.7U CN213062028U (en) | 2020-07-23 | 2020-07-23 | H-shaped force transmission safety connection structure for foundation pit assembled type steel inner support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021475478.7U CN213062028U (en) | 2020-07-23 | 2020-07-23 | H-shaped force transmission safety connection structure for foundation pit assembled type steel inner support |
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| CN213062028U true CN213062028U (en) | 2021-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606954A (en) * | 2022-04-20 | 2022-06-10 | 西安市第二市政工程公司 | Enclose purlin and strut |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606954A (en) * | 2022-04-20 | 2022-06-10 | 西安市第二市政工程公司 | Enclose purlin and strut |
| CN114606954B (en) * | 2022-04-20 | 2023-12-08 | 西安市市政工程(集团)有限公司 | Enclosing purlin support |
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