CN218562368U - A connection structure for between adjacent shaped steel - Google Patents
A connection structure for between adjacent shaped steel Download PDFInfo
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- CN218562368U CN218562368U CN202223081344.9U CN202223081344U CN218562368U CN 218562368 U CN218562368 U CN 218562368U CN 202223081344 U CN202223081344 U CN 202223081344U CN 218562368 U CN218562368 U CN 218562368U
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Abstract
The utility model relates to a connection structure for between adjacent shaped steel, including being used for horizontal tie rod system and the slant tie rod system between adjacent horizontal H shaped steel support standard component, H shaped steel support standard component and horizontal tie rod system and slant tie rod system carry out the round pin hub connection, horizontal tie rod system include two horizontal tie rods and horizontal tie rod internal thread outer sleeve, two horizontal tie rod bifurcated poles that horizontal tie rod adopted to form Y type structure and connect two horizontal tie rod bifurcated poles in a horizontal tie rod horizontal pole of a bit, slant tie rod system include two slant tie rods and slant tie rod internal thread outer sleeve, slant tie rod adopts the slant tie rod connecting rod that forms a style of calligraphy structure. The socket and spigot sleeves of the transverse tie bar system and the oblique tie bar system are connected with the tie bar connecting holes of the H-shaped steel flange plate in a pin shaft mode, so that the integrity of a steel supporting structure is good, the steel flange plate does not need to be provided with excessive holes, and the connecting strength between the shaped steel and the shaped steel is improved.
Description
Technical Field
The utility model belongs to the technical field of the excavation supporting engineering technique and specifically relates to a connection structure for between adjacent shaped steel.
Background
Along with the gradual development of the scale of the foundation pit engineering towards the direction of super large and super deep, the foundation pit engineering design under the complex condition is changed from the traditional strength control into the deformation control. The inner support technology has the advantages of no influence on the underground space at the periphery of the foundation pit, high rigidity, easy deformation control and the like, and is more suitable for being applied to the foundation pit supporting engineering in cities.
Although the concrete support system has the advantages of flexible and various arrangement forms, high support rigidity, good integrity and the like, the problems of long time consumption for installation and dismantling, high vibration noise in the dismantling process, incapability of recycling dismantled wastes and the like exist. Compared with a concrete inner support system, the steel support system has the characteristics of being rapid in installation, free of maintenance, convenient to dismantle, capable of recycling steel supports and the like, is beneficial to reducing the construction cost, and accords with the concept of sustainable development.
At present, steel supports are mainly applied to steel pipe supports and profile steel supports in foundation pit engineering, but the strength of steel pipe support nodes is relatively low, the overall rigidity is relatively low, and foundation pit collapse accidents also happen occasionally. At present, a plurality of parallel H-shaped steel supports are connected through a cover plate, but the cover plate is weak in rigidity and only connected at the upper flange, so that the joint connection strength and rigidity are weak, and the defects of eccentricity and the like exist. In order to give full play to the advantage that H shaped steel supported, solve the interconnect node between the H shaped steel, it is the problem that needs to solve at present to improve H shaped steel support wholeness.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects that the integrity of a steel supporting structure in the existing foundation pit engineering is poor, the openings of the flanges of the section steel are too many, and the connection strength between the section steel and the section steel is low, a connection structure used between adjacent section steel is provided.
The utility model provides a technical scheme that its technical problem adopted is: a connecting structure for adjacent section steels comprises a transverse tie bar system and an oblique tie bar system which are used between adjacent transverse H-shaped steel supporting standard parts,
the H-shaped steel supporting standard component comprises flange plates positioned at two vertical ends and a web plate arranged on the inner wall of the vertical connecting flange plate,
the H-shaped steel support standard component is connected with the transverse tie bar system and the oblique tie bar system through pin shafts,
the transverse tie rod system comprises two transverse tie rods and a transverse tie rod internal thread outer sleeve, the transverse tie rods adopt two transverse tie rod forked rods forming a Y-shaped structure and a transverse tie rod horizontal rod connecting the two transverse tie rod forked rods at one point,
the inclined tie bar system comprises two inclined tie bars and an inner thread outer sleeve of the inclined tie bar, and the inclined tie bars are inclined tie bar connecting rods which form a straight-line structure.
Furthermore, one ends of the two transverse tie rod bifurcated rods, which are far away from the horizontal rod of the transverse tie rod, are respectively provided with a transverse tie rod socket sleeve vertical to the transverse tie rod bifurcated rods,
one end of the oblique tie bar connecting rod is provided with an oblique tie bar socket sleeve perpendicular to the oblique tie bar connecting rod,
the flange plate is provided with a tie bar connecting hole along the axial direction,
the inner diameters of the transverse tie bar socket sleeve and the oblique tie bar socket sleeve are the same as the diameter of the tie bar connecting hole, and the transverse tie bar socket sleeve, the oblique tie bar socket sleeve and the tie bar connecting hole form pin shaft matching through a plug pin. Preferably, the diameter of the plug is not less than 30mm.
Specifically, the number and the arrangement form of the transverse tie rod systems and the oblique tie rod systems can be reasonably matched according to the actual situation on site, and truss structures in different forms can be formed. Preferably, the matched transverse tie rod system and the matched oblique tie rod system form a Z-shaped structure between the adjacent H-shaped steel supporting standard parts in the transverse direction.
Furthermore, the connecting end of the two horizontal tie rod horizontal rods is provided with a horizontal tie rod length adjusting screw rod, the two horizontal tie rod length adjusting screw rods and the horizontal tie rod internal thread outer sleeve form a horizontal tie rod length adjusting device in threaded connection and matching, the two horizontal tie rod length adjusting screw rods are provided with reverse threads with certain lengths, and the horizontal tie rod internal thread outer sleeve is internally provided with internal threads matched with the reverse threads.
Furthermore, the connecting end of the two oblique tie bar connecting rods is provided with an oblique tie bar length adjusting screw rod, and the two oblique tie bar length adjusting screw rods and the oblique tie bar internal thread outer sleeve form a threaded and matched oblique tie bar length adjusting device; the two length adjusting screw rods of the oblique tie rod are provided with reverse threads with certain lengths, and an internal thread matched with the reverse threads is arranged in an external sleeve of the internal thread of the oblique tie rod.
Specifically, the wall thicknesses of the transverse tie bar internal thread outer sleeve and the oblique tie bar internal thread outer sleeve are respectively greater than the wall thicknesses of the transverse tie bar horizontal rod and the oblique tie bar connecting rod; the lengths of the transverse tie bar internal thread outer sleeve and the oblique tie bar internal thread outer sleeve are smaller than the sum of the lengths of the transverse tie bar horizontal rod and the transverse tie bar length adjusting screw rod, the oblique tie bar connecting rod and the oblique tie bar length adjusting screw rod, and the length is determined according to requirements.
Furthermore, the tie bar connecting holes are transversely arranged at the positions, 1/4 of the distance from the two sides of the flange plate to the edge, and the diameters and the distances from the tie bar connecting holes to the web plate are determined according to the comprehensive consideration of the section size and the stress state of the H-shaped steel support standard component; two sides of the tie bar connecting hole are respectively provided with a connecting hole two-end short stiffening plate which is vertically arranged,
and the stiffening plates at two ends of the connecting hole are fixedly connected with the web plate and the flange plate at one end.
Further, the total length of the two transverse tie rod bifurcated rods in the vertical direction is equal to the distance between the inner walls of the flange plates at the two vertical ends.
Furthermore, the sum of the heights of the two horizontal tie bar socket sleeves and the height of the oblique tie bar socket sleeve are both equal to 1/2 of the distance between the inner walls of the flange plates at the two vertical ends, the height of the oblique tie bar socket sleeve is equal to the distance between the two horizontal tie bar socket sleeves,
preferably, the two transverse tie rod socket sleeves have the same height;
furthermore, the thicknesses of the transverse tie bar socket sleeve and the oblique tie bar socket sleeve are larger than that of the flange plate.
Furthermore, a transverse tie bar screwing structure convenient for a knob and a transverse tie bar stress monitoring device convenient for applying prestress on site are arranged at the middle section of the outer sleeve of the internal thread of the transverse tie bar,
the middle section of the outer sleeve of the internal thread of the oblique tie bar is provided with an oblique tie bar screwing structure convenient for a knob and an oblique tie bar stress monitoring device convenient for applying prestress on site.
Specifically, the transverse tie bar tightening structure and the oblique tie bar tightening structure adopt tightening holes or outer hexagonal lugs;
the transverse tie bar stress monitoring device and the oblique tie bar stress monitoring device reasonably apply prestress to the transverse tie bar system and the oblique tie bar system, and can also monitor the stress variation trend of the two tie bar systems in real time when the combined type steel support truss structure system works.
Further, the cross section of the transverse tie bar or the oblique tie bar is H-shaped, round or other regular cross sections.
The utility model has the advantages that: the utility model discloses a connection structure for between adjacent shaped steel, horizontal tie rod system and slant tie rod system adopt adjustable length type structure, including the length adjustment device who has socket joint sleeve pipe, length adjusting screw's horizontal tie rod standard component and constitute with the internal thread outer sleeve, the socket joint sleeve pipe of horizontal tie rod system and slant tie rod system and H shaped steel flange plate carry out shaft type connection along the tie rod connecting hole that the axial set up the rule to sell for steel support structure wholeness is good, and the shaped steel flange need not too much trompil, has improved the joint strength between shaped steel and the shaped steel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view from another angle of the present invention;
FIG. 3 is a schematic structural diagram of the H-shaped steel support standard of the present invention;
fig. 4 is a schematic view of the structure of the transverse tie bar of the present invention;
fig. 5 is a schematic view of the oblique tie bar structure of the present invention;
fig. 6 is a schematic view of the connection structure of the transverse tie bar system of the present invention;
fig. 7 is a schematic view of the connection structure of the oblique tie bar system of the present invention.
Reference numbers in the figures: 1-H-shaped steel supporting standard parts, 13-tie bar connecting holes, 14-short stiffening plates at two ends of the connecting holes, 16-web plates and 17-flange plates; 3-transverse tie rod, 31-transverse tie rod bifurcated rod, 32-transverse tie rod horizontal rod, 33-transverse tie rod socket sleeve and 34-transverse tie rod length adjusting screw rod; 4-an oblique tie bar, 41-an oblique tie bar connecting rod, 42-an oblique tie bar socket sleeve and 43-an oblique tie bar length adjusting screw rod; 5-transverse tie bar system; 6-an external sleeve with internal threads for the transverse tie rod, 61-a tightening structure for the transverse tie rod, and 62-a stress monitoring device for the transverse tie rod; 7-diagonal tie bar system; 8-an internal thread outer sleeve of an oblique tie bar, 81-a tightening structure of the oblique tie bar and 82-a stress monitoring device of the oblique tie bar; 9-bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A connecting structure for adjacent section steels shown in figures 1-7 comprises a transverse tie bar system 5 and an oblique tie bar system 7 for adjacent transverse H-shaped steel supporting standard members 1,
the H-shaped steel support standard component 1 comprises flange plates 17 positioned at two vertical ends and a web plate 16 arranged on the inner wall of the vertical connecting flange plate 17,
the H-shaped steel support standard component 1 is connected with a transverse tie bar system 5 and an oblique tie bar system 7 through pin shafts,
the transverse tie rod system 5 comprises two transverse tie rods 3 and a transverse tie rod internal thread outer sleeve 6, the transverse tie rods 3 adopt two transverse tie rod branch rods 31 forming a Y-shaped structure and a transverse tie rod horizontal rod 32 connecting the two transverse tie rod branch rods 31 at one point,
the inclined tie rod system 7 comprises two inclined tie rods 4 and an inclined tie rod inner threaded outer sleeve 8, and the inclined tie rods 4 adopt inclined tie rod connecting rods 41 which form a straight-line structure.
The ends of the two transverse tie rod crotch rods 31 far away from the transverse tie rod horizontal rod 32 are respectively provided with a transverse tie rod socket sleeve 33 vertical to the transverse tie rod crotch rods,
one end of the oblique tie bar connecting rod 41 is provided with an oblique tie bar socket sleeve 42 perpendicular to the oblique tie bar connecting rod,
the flange plate 17 is provided with tie bar connecting holes 13 along the axial direction,
the inner diameters of the transverse tie rod socket sleeve 33 and the oblique tie rod socket sleeve 42 are the same as the diameter of the tie rod connecting hole 13, and the transverse tie rod socket sleeve 33, the oblique tie rod socket sleeve 42 and the tie rod connecting hole 13 form pin shaft fit through the plug pin 9.
The number and the arrangement form of the transverse tie rod systems 5 and the oblique tie rod systems 7 can be reasonably matched according to the actual situation on site, and truss structures in different forms can be formed. And a Z-shaped structure is formed between the H-shaped steel support standard components 1 which are adjacent in the transverse direction by the matched transverse tie rod system 5 and the oblique tie rod system 7.
The diameter of the plug pin 9 is not less than 30mm and is slightly smaller than the diameter of the tie bar connecting hole 13.
The connecting ends of the two horizontal tie rod horizontal rods 32 are provided with horizontal tie rod length adjusting screw rods 34, the two horizontal tie rod length adjusting screw rods 34 and the horizontal tie rod internal thread outer sleeve 6 form a horizontal tie rod length adjusting device in threaded connection, the two horizontal tie rod length adjusting screw rods 34 are provided with reverse threads with certain lengths, and internal threads matched with the reverse threads are arranged in the horizontal tie rod internal thread outer sleeve 6.
The connecting ends of the two inclined tie bar connecting rods 41 are provided with inclined tie bar length adjusting screw rods 43, and the two inclined tie bar length adjusting screw rods 43 and the inclined tie bar internal thread outer sleeve 8 form a screwed connection matched inclined tie bar length adjusting device; the two length adjusting screws 43 of the oblique tie bar are provided with reverse threads with certain lengths, and the outer sleeve 8 of the internal threads of the oblique tie bar is internally provided with internal threads matched with the reverse threads.
The wall thicknesses of the transverse tie rod internal thread outer sleeve 6 and the oblique tie rod internal thread outer sleeve 8 are respectively greater than the wall thicknesses of the transverse tie rod horizontal rod 32 and the oblique tie rod connecting rod 41; the lengths of the transverse tie rod internal thread outer sleeve 6 and the oblique tie rod internal thread outer sleeve 8 are less than the sum of the lengths of the transverse tie rod horizontal rod 32 and the transverse tie rod length adjusting screw 34, the oblique tie rod connecting rod 41 and the oblique tie rod length adjusting screw 43.
The tie bar connecting holes 13 are transversely arranged at the positions 1/4 of the distance from the edges of the two sides of the flange plates 17, the two sides of each tie bar connecting hole 13 are respectively provided with a connecting hole two-end short stiffening plate 14 which is vertically arranged, and the height of each connecting hole two-end short stiffening plate 14 is not more than the distance between the inner walls of the flange plates 17 at the 1/2 vertical two ends.
The short stiffening plates 14 at the two ends of the connecting hole are fixedly connected with the web plate 16 and the flange plate 17 at one end.
The total length of the two transverse tie crotch bars 31 in the vertical direction is equal to the distance between the inner walls of the flange plates 17 at both ends in the vertical direction,
the sum of the heights of the two transverse tie bar socket sleeves 33 and the height of the oblique tie bar socket sleeve 42 are both equal to the distance between the inner walls of the flange plates 17 at the two vertical ends of 1/2, the height of the oblique tie bar socket sleeve 42 is equal to the distance between the two transverse tie bar socket sleeves 33,
the heights of the two transverse tie bar socket sleeves 33 are the same;
the thickness of the transverse tie bar socket sleeves 33 and the diagonal tie bar socket sleeves 42 is greater than the thickness of the flange plate 17.
A transverse tie bar screwing structure 61 for facilitating knob screwing and a transverse tie bar stress monitoring device 62 for facilitating field prestress application are arranged at the middle section of the outer sleeve 6 of the transverse tie bar internal thread,
an inclined tie bar screwing structure 81 for facilitating knob screwing and an inclined tie bar stress monitoring device 82 for facilitating field prestress application are arranged at the middle section of the inner thread outer sleeve 8 of the inclined tie bar.
The transverse tie bar screwing structure 61 and the oblique tie bar screwing structure 81 adopt screwing holes;
the transverse tie bar stress monitoring device 62 and the oblique tie bar stress monitoring device 82 reasonably apply prestress to the transverse tie bar system 5 and the oblique tie bar system 7, and can also monitor the stress variation trend of the two tie bar systems in real time when the combined steel supporting structure system works.
The cross-section of the transverse tie bars 3 or the diagonal tie bars 4 is H-shaped, circular or other regular cross-section.
During assembly, the method comprises the following steps:
s1, sequentially placing a plurality of H-shaped steel support standard components 1 in the transverse direction, aligning a transverse tie bar socket sleeve 33 with a tie bar connecting hole 13, inserting a shaft pin 9 for temporary fixation, then pulling out the temporary fixed shaft pin 9, installing an oblique tie bar socket sleeve 42 to the middle position of the transverse tie bar socket sleeve 33 and aligning, inserting the shaft pin 9 for formal fixation, and finishing the transverse connection of the H-shaped steel support standard components 1;
and S2, adjusting the lengths of the transverse tie rod system 5 and the oblique tie rod system 7 and applying prestress, and eliminating an installation gap to form a truss structure with a complete structure.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a connection structure for between adjacent shaped steel which characterized in that: comprises a transverse tie rod system (5) and an oblique tie rod system (7) which are used between adjacent transverse H-shaped steel supporting standard parts (1),
the H-shaped steel supporting standard component (1) comprises flange plates (17) positioned at two vertical ends and a web plate (16) arranged on the inner wall of the vertical connecting flange plate (17),
the H-shaped steel support standard component (1) is connected with a transverse tie bar system (5) and an oblique tie bar system (7) through a pin shaft,
the transverse tie rod system (5) comprises two transverse tie rods (3) and a transverse tie rod internal thread outer sleeve (6), the transverse tie rods (3) adopt two transverse tie rod branch rods (31) forming a Y-shaped structure and a transverse tie rod horizontal rod (32) connecting the two transverse tie rod branch rods (31) at one point,
the inclined tie rod system (7) comprises two inclined tie rods (4) and an inner threaded outer sleeve (8) of the inclined tie rod, and the inclined tie rods (4) adopt inclined tie rod connecting rods (41) which form a straight-line structure.
2. The structure for connecting adjacent section steels according to claim 1, wherein:
one ends of the two transverse tie rod bifurcated rods (31) far away from the transverse tie rod horizontal rod (32) are respectively provided with a transverse tie rod socket sleeve (33) vertical to the transverse tie rod bifurcated rods,
one end of the oblique tie bar connecting rod (41) is provided with an oblique tie bar socket sleeve (42) vertical to the oblique tie bar connecting rod,
the flange plate (17) is provided with a tie bar connecting hole (13) along the axial direction,
the inner diameters of the transverse tie rod socket sleeve (33) and the oblique tie rod socket sleeve (42) are the same as the diameter of the tie rod connecting hole (13), and the transverse tie rod socket sleeve (33), the oblique tie rod socket sleeve (42) and the tie rod connecting hole (13) form pin shaft matching through a plug pin (9).
3. The structure for connecting adjacent section steels according to claim 1, wherein: the connecting ends of the two horizontal tie rod horizontal rods (32) are provided with horizontal tie rod length adjusting screw rods (34), the two horizontal tie rod length adjusting screw rods (34) and the horizontal tie rod internal thread outer sleeve (6) form a horizontal tie rod length adjusting device in threaded connection and matching, reverse threads with certain lengths are arranged on the two horizontal tie rod length adjusting screw rods (34), and internal threads matched with the reverse threads are arranged in the horizontal tie rod internal thread outer sleeve (6).
4. The structure for connecting adjacent section steels according to claim 1, wherein: the connecting ends of the two inclined tie rod connecting rods (41) are provided with inclined tie rod length adjusting screw rods (43), and the two inclined tie rod length adjusting screw rods (43) and an inner thread outer sleeve (8) of the inclined tie rod form an inclined tie rod length adjusting device in threaded connection and matching; the two length adjusting screw rods (43) of the oblique tie rod are provided with reverse threads with certain lengths, and an internal thread matched with the reverse threads is arranged in an external sleeve (8) of the internal thread of the oblique tie rod.
5. The structure for connecting adjacent section steels according to claim 2, wherein: the tie bar connecting holes (13) are transversely arranged at the positions 1/4 of the distance from the edges of the two sides of the flange plate (17), the two sides of the tie bar connecting holes (13) are both provided with connecting hole two-end short stiffening plates (14) which are vertically arranged,
and the stiffening plates (14) with two short ends of the connecting hole are fixedly connected with the web plate (16) and the flange plate (17) at one end.
6. The structure for connecting adjacent section steels according to claim 1, wherein: the total length of the two transverse tie rod bifurcated rods (31) in the vertical direction is equal to the distance between the inner walls of the flange plates (17) at the two vertical ends.
7. The structure for connecting adjacent section steels according to claim 2, wherein: the sum of the heights of the two transverse tie bar socket sleeves (33) and the height of the oblique tie bar socket sleeve (42) are equal to the distance between the inner walls of the flange plates (17) at the two vertical ends by 1/2, the height of the oblique tie bar socket sleeve (42) is equal to the distance between the two transverse tie bar socket sleeves (33),
the thickness of the transverse tie rod socket sleeve (33) and the oblique tie rod socket sleeve (42) is larger than that of the flange plate (17).
8. The structure for connecting adjacent section steels according to claim 1, wherein: a transverse tie bar screwing structure (61) convenient for a knob and a transverse tie bar stress monitoring device (62) convenient for applying prestress on site are arranged at the middle section of the transverse tie bar internal thread outer sleeve (6),
an inclined tie bar screwing structure (81) convenient for a knob and an inclined tie bar stress monitoring device (82) convenient for applying prestress on site are arranged at the middle section of the inclined tie bar internal thread outer sleeve (8).
9. The structure for connecting adjacent section steels according to claim 1, wherein: the cross section of the transverse tie rod (3) or the oblique tie rod (4) is H-shaped or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081344.9U CN218562368U (en) | 2022-11-21 | 2022-11-21 | A connection structure for between adjacent shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081344.9U CN218562368U (en) | 2022-11-21 | 2022-11-21 | A connection structure for between adjacent shaped steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218562368U true CN218562368U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223081344.9U Active CN218562368U (en) | 2022-11-21 | 2022-11-21 | A connection structure for between adjacent shaped steel |
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| Country | Link |
|---|---|
| CN (1) | CN218562368U (en) |
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- 2022-11-21 CN CN202223081344.9U patent/CN218562368U/en active Active
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