CN109538247B - Steel tube concrete arch frame for supporting building corridor - Google Patents
Steel tube concrete arch frame for supporting building corridor Download PDFInfo
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- CN109538247B CN109538247B CN201811620905.3A CN201811620905A CN109538247B CN 109538247 B CN109538247 B CN 109538247B CN 201811620905 A CN201811620905 A CN 201811620905A CN 109538247 B CN109538247 B CN 109538247B
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- tightness
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- 239000004567 concrete Substances 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000003491 array Methods 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims 3
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Abstract
The invention discloses a steel pipe concrete arch frame for supporting a building corridor, which can provide oblique support on two sides of the arch frame through the arrangement of a support component, so that the overall strength of the arch frame is improved, and the support component can be adjusted and is suitable for different topographic environments; through the arrangement of the arc-shaped components, the bearing capacity is high, larger impact can be effectively born, and through the arrangement of the buffer components, the buffer components can play a good role in buffering when the first arc-shaped component and the second arc-shaped component are impacted, meanwhile, impact forces born by the first arc-shaped component and the second arc-shaped component are dispersed, a protection effect is formed on the whole arch frame, and the service life and the use safety of the arch frame are prolonged; the tightness adjusting assembly can conveniently adjust the buffer supporting assembly, ensure the supporting tightness of the buffer supporting assembly, prevent loosening, particularly provide support well in the grouting process, and facilitate the adjustment of the pressing-in of the wedge-shaped block due to the arrangement of the anti-loosening tooth group, thereby improving convenience.
Description
Technical Field
The invention relates to the technical field of arches, in particular to a steel tube concrete arch for supporting a building corridor.
Background
In construction corridor construction, in order to ensure the safety of construction and the quality of construction and ensure the smooth progress of construction, some supporting measures are adopted, and the steel tube concrete arch frame can effectively ensure the safety in construction.
The Chinese patent discloses a combined steel pipe concrete arch frame (grant bulletin No. CN 206668287U) for supporting, the arch frame in the technology of the patent has high bearing capacity, strong bending resistance and deformation resistance, energy conservation and safety, meets the requirements of modern green environment-friendly construction, has fast construction speed, short construction period, simple installation and good economic benefit, is suitable for various geological conditions and environments, but the arc-shaped piece at the top of the arch frame in the above patent has an integral structure, has larger volume, is inconvenient to transport and carry, has high installation labor intensity, lacks a side supporting structure, has no buffer device, and can directly bear rigid impact, thereby influencing the integral strength and service life of the arch frame. In addition, the prior arch centering is inconvenient in installation, and is easy to loosen in the installation process, so that the problem of larger error in the subsequent grouting process occurs.
Accordingly, a steel pipe concrete arch for construction corridor support is provided by those skilled in the art to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a steel pipe concrete arch frame for supporting a building corridor, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the steel pipe concrete arch frame comprises transverse frame components, longitudinal rods and auxiliary support components, wherein the transverse frame components extend in the width direction of the building corridor and are perpendicular to the longitudinal extension direction of the building corridor, two adjacent transverse frame components are connected through a plurality of longitudinal rods which are arranged in parallel, the longitudinal rods extend along the length direction of the building corridor, and the two sides of each transverse frame component are provided with the auxiliary support components which extend into and are anchored on the ground; it is characterized in that the method comprises the steps of,
the transverse frame assembly is of an arch structure and is of a concrete filled steel tube structure, and comprises a vertical supporting assembly, an adjustable arch assembly and a buffer supporting assembly, wherein two ends of the lower part of the adjustable arch assembly are connected to the top of the vertical supporting assembly through flanges, a cross beam is fixedly connected between the vertical supporting assemblies on two sides, and the buffer supporting assembly is arranged between the middle part of the cross beam and the lower side face of the adjustable arch assembly;
the buffer support assembly can adjust the supporting tightness of the cross beam to the adjustable arch assembly.
As still further aspects of the invention: the buffer support assembly comprises a boss, a groove, a transverse plate, a first connecting rod, a buffer cushion, a second connecting rod and a tightness adjusting assembly, wherein the top of the boss is provided with the groove, the buffer cushion is fixedly installed at the bottom of the inner side of the groove, the top of the buffer cushion is fixedly connected with the transverse plate, the top of the transverse plate is rotationally connected with the first connecting rod, the position of one side of the top of the transverse plate, which is close to the first connecting rod, is rotationally connected with the second connecting rod, the upper ends of the first connecting rod and the second connecting rod are both hinged to the adjustable arch assembly, the boss is fixedly supported on the cross beam, the tightness adjusting assembly is located on the lower end face of the cross beam, and the upper end of the tightness adjusting assembly stretches into a hole of the cross beam so as to be fixedly connected with the buffer cushion.
As still further aspects of the invention: the elastic adjusting assembly comprises an elastic block, an adjusting wedge block, a locking tooth set and a locking stud, wherein the elastic block is arranged at the bottom of the cross beam, the elastic block is of a ladder structure, the upper end of the elastic block is of a ladder small end, the ladder small end stretches into the cross beam and is fixedly connected with the bottom of the buffer pad, a wedge-shaped cavity structure is formed between the upper end face of the ladder large end of the elastic block and the cross beam, the adjusting wedge block is arranged at an adjustable position in the wedge-shaped cavity structure, the tightness of the buffering supporting assembly is adjusted by adjusting the position of the adjusting wedge block, one end, far away from the elastic block, of the adjusting wedge block is an extension fixing section, the extension fixing section is fixed on the cross beam by the locking stud, and the locking tooth set is arranged on a wedge face, which is mutually contacted between the adjusting wedge block and the elastic block.
As still further aspects of the invention: the anti-loosening tooth set comprises upper teeth and lower teeth, wherein a plurality of upper teeth are arranged on the wedge surface of the adjusting wedge block in an array mode, the lower teeth are arranged on the wedge surface of the elastic block in an array mode, the upper teeth extend downwards in an inclined mode, the lower teeth extend upwards in an inclined mode, the inclination of the lower end face of the upper teeth is larger than that of the wedge surface of the elastic block, and the upper connecting surface and the lower connecting surface, connected with the wedge surface of the elastic block, of the lower teeth are both inclined upwards, so that after the adjusting wedge block is driven into the wedge cavity structure, the adjusting wedge block can be kept in the wedge cavity structure.
As still further aspects of the invention: the vertical supporting component of the transverse frame component comprises a first base, a second base, a first stand column and a second stand column, wherein the top of the first base is provided with the first stand column through flange connection, the side wall of the first stand column is welded with a cross beam, the side wall of the cross beam is welded with the second stand column, the bottom of the second stand column is provided with the second base through flange connection, the side walls of the first stand column and the second stand column are welded with supporting seats, the upper ends of the auxiliary supporting components are connected to the supporting seats, the first stand column and the second stand column are of steel pipe concrete structures, the first base and the second base are of concrete structures extending into a foundation, and the adjustable arch component is connected to the tops of the first stand column and the second stand column.
As still further aspects of the invention: the adjustable arch subassembly includes first arc piece, arc sleeve pipe, second bolt and second arc piece, the one end welding of first arc piece has the arc sleeve pipe, the inside sliding connection of arc sleeve pipe has the second arc piece, and the top of arc sleeve pipe runs through and is provided with the second bolt, the top of second arc piece is run through and is provided with the second through-hole, second through-hole and second bolt looks adaptation, the inside cavity that is provided with the concrete grouting usefulness of intercommunication of first arc piece, arc sleeve pipe and second arc piece, this cavity with the cavity of first stand and second stand is linked together.
As still further aspects of the invention: the auxiliary support assembly comprises a loop bar, a first bolt, a slide bar, a first through hole, a fixed seat and a ground nail, wherein the first bolt is arranged on the side wall of the loop bar in a penetrating mode, the slide bar is connected to the side wall of the loop bar in a sliding mode, the first through hole is arranged on the side wall of the slide bar in a penetrating mode, the fixed seat is connected to the bottom of the slide bar in a rotating mode, the ground nail is welded to the bottom of the fixed seat, the first through hole is matched with the first bolt, and the ground nail is anchored below a foundation.
As still further aspects of the invention: two diagonal braces which are arranged in a crossed manner are fixedly arranged between the first upright post and between the second upright post and the second upright post of the adjacent two transverse frame assemblies.
As still further aspects of the invention: the first connecting rod is rotatably connected with the first arc-shaped piece through a rotating shaft, and the first connecting rod is a steel component.
As still further aspects of the invention: the second connecting rod is rotationally connected with the second arc-shaped piece through a rotating shaft, and the second connecting rod and the first connecting rod are the same components.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the supporting components, the two sides of the arch frame can be provided with oblique supports, and the overall strength of the arch frame is improved, so that the use safety of the arch frame is improved, and the supporting components can be adjusted and are suitable for different terrain environments;
2. through the arrangement of the arc-shaped components, the bearing capacity is high, larger impact can be effectively born, the construction safety is guaranteed, the whole volume of the first arc-shaped component and the second arc-shaped component can be reduced, so that the segments are convenient to transport and install, the installation labor intensity is reduced, and the structure is simpler;
3. through the arrangement of the buffer component, the buffer component can play a good role in buffering when the first arc-shaped piece and the second arc-shaped piece are impacted, meanwhile, impact forces borne by the first arc-shaped piece and the second arc-shaped piece are dispersed, a protection effect is formed on the whole arch frame, and the service life and the use safety of the arch frame are prolonged;
4. the tightness adjusting assembly can conveniently adjust the buffer supporting assembly, ensure the supporting tightness of the buffer supporting assembly, prevent loosening, particularly provide support well in the grouting process, and facilitate the adjustment of the pressing-in of the wedge-shaped block due to the arrangement of the anti-loosening tooth group, thereby improving convenience.
Drawings
FIG. 1 is a schematic view of a construction of a concrete filled steel tube arch for construction corridor support;
FIG. 2 is a schematic view of the structure of a support assembly in a concrete filled steel tube arch for construction corridor support;
FIG. 3 is a schematic view of the structure of an arc assembly in a concrete filled steel tube arch for construction corridor support;
FIG. 4 is a schematic view of the structure of a cushioning assembly in a concrete filled steel tube arch for construction corridor support;
fig. 5 is a schematic structural view of a locking tooth set in a concrete filled steel tube arch frame for supporting a construction corridor.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, a steel pipe concrete arch frame for supporting a building corridor includes a transverse frame assembly, a longitudinal rod 20 and an auxiliary support assembly, wherein the transverse frame assembly extends in a width direction of the building corridor and is arranged perpendicular to a longitudinal extension direction of the building corridor, two adjacent transverse frame assemblies are connected by adopting a plurality of longitudinal rods 20 arranged in parallel, the longitudinal rod extends along the length direction of the building corridor, and two sides of each transverse frame assembly are provided with auxiliary support assemblies extending into and anchored on the ground; it is characterized in that the method comprises the steps of,
the transverse frame assembly is of an arch structure and is of a concrete filled steel tube structure, and comprises a vertical supporting assembly, an adjustable arch assembly 14 and a buffer supporting assembly 22, wherein two ends of the lower part of the adjustable arch assembly 14 are connected to the top of the vertical supporting assembly through flanges, a cross beam 21 is fixedly connected between the vertical supporting assemblies on two sides, and the buffer supporting assembly is arranged between the middle part of the cross beam 21 and the lower side face of the adjustable arch assembly;
the buffer support assembly 22 can adjust the support tightness of the beam 21 to the adjustable arch assembly.
In this embodiment, the buffer support assembly 22 includes a boss 23, a groove 24, a cross plate 25, a first connecting rod 26, a buffer pad 27, a second connecting rod 28 and a tightness adjustment assembly, wherein the groove 24 is provided at the top of the boss 23, the buffer pad 27 is fixedly installed at the bottom of the inner side of the groove 24, the top of the buffer pad 27 is fixedly connected with the cross plate 25, the top of the cross plate 25 is rotatably connected with the first connecting rod 26, and the top of the cross plate 25 is close to one side of the first connecting rod 26 and is rotatably connected with the second connecting rod 28, the upper ends of the first connecting rod 26 and the second connecting rod 28 are both hinged on the adjustable arch assembly, the boss 23 is fixedly supported on the cross beam 21, the tightness adjustment assembly is located at the lower end face of the cross beam 21, and the upper end of the tightness adjustment assembly extends into the hole of the cross beam so as to be fixedly connected with the buffer pad 27.
The buffering support assembly 22 comprises an elastic block 31, an adjusting wedge block 30, a locking tooth set 32 and a locking stud 29, wherein the elastic block 31 is arranged at the bottom of the cross beam, the elastic block 31 is of a ladder structure, the upper end of the elastic block 31 is of a ladder small end, the ladder small end stretches into the cross beam and is fixedly connected with the bottom of the buffering cushion 27, a wedge-shaped cavity structure is formed between the upper end face of the ladder large end of the elastic block and the cross beam, the adjusting wedge block 30 is arranged at an adjustable position in the wedge-shaped cavity structure, tightness of the buffering support assembly is adjusted by adjusting the position of the adjusting wedge block 30, one end, far away from the elastic block, of the adjusting wedge block 30 is an extension fixing section, the extension fixing section is fixed on the cross beam by the locking stud 29, and the locking tooth set 32 is arranged on a locking wedge face, which is in mutual contact between the adjusting wedge block 30 and the elastic block 31.
As a preferred embodiment, the anti-loosening tooth set 32 includes an upper tooth 33 and a lower tooth 34, a plurality of upper tooth space arrays are disposed on the wedge surface of the adjusting wedge 30, the lower tooth 34 is disposed on the wedge surface of the elastic block 31 at intervals, the upper tooth 33 is disposed in a downward extending manner, the lower tooth 34 is disposed in a upward extending manner in an inclined manner, the inclination of the lower end surface 35 of the upper tooth is greater than the inclination of the wedge surface of the elastic block 31, and the upper connecting surface 37 and the lower connecting surface 36 of the lower tooth connected with the wedge surface of the elastic block 31 are both upwardly inclined surfaces, so that the adjusting wedge 30 can be maintained in the wedge cavity after the adjusting wedge 30 is driven into the wedge cavity structure.
As a better embodiment, the vertical supporting component of the transverse frame component comprises a first base 1, a second base 3, a first upright 2 and a second upright 4, wherein the top of the first base 1 is in flange connection with the first upright 2, the side wall of the first upright 2 is welded with a cross beam 21, the side wall of the cross beam 21 is welded with the second upright 4, the bottom of the second upright 4 is in flange connection with the second base 3, the side walls of the first upright 2 and the second upright 4 are welded with a support 13, the upper end of the auxiliary supporting component is connected to the support 13, the first upright 2 and the second upright 4 are of steel pipe concrete structures, the first base 1 and the second base 3 are of concrete structures extending into a foundation, the adjustable arch assembly 14 is connected at the top of first stand 2 and second stand 4, when adjustable arch assembly 14 bears the impact, the impact force passes through arc assembly 14 and transmits to first stand 2 and second stand 4, simultaneously, pass through head rod 26 and second connecting rod 28 and transmit to crossbeam 21, the impact force that arc assembly 14 received has been dispersed, the structural safety of bow member has been ensured, when head rod 26 and second connecting rod 28 receive arc assembly 14 downwardly pressure, can downwardly extrusion blotter 27, blotter 27 is made by rubber, can produce certain elastic deformation in recess 24 after the atress, play the cushioning effect, thereby when arc assembly 14 receives the impact, the injury of impact to bow member overall structure has been reduced, the rigidity impact that the bow member received has been reduced.
Wherein the adjustable arch assembly 14 comprises a first arch-shaped member 15, an arch-shaped sleeve 16, a second bolt 18 and a second arch-shaped member 19, wherein one end of the first arch-shaped member 15 is welded with the arch-shaped sleeve 16, the second arch-shaped member 19 is slidingly connected in the arch-shaped sleeve 16, the second bolt 18 is arranged at the top of the arch-shaped sleeve 16 in a penetrating way, a second through hole is arranged at the top of the second arch-shaped member 19 in a penetrating way, the second through hole is matched with the second bolt 18, cavities 17 for mutually communicated concrete grouting are arranged in the first arch-shaped member 15, the arch-shaped sleeve 16 and the second arch-shaped member 19, the cavities 17 are communicated with the hollow cavities of the first upright post and the second upright post, and when the adjustable arch assembly 14 is installed, the bottom of the first arc-shaped piece 15 is mounted on the top of the first upright post 2 through bolts, then the second arc-shaped piece 19 is inserted into a proper position inside the arc-shaped sleeve 16 from the top of the second arc-shaped piece, then the second bolt 18 is inserted through a through hole in the top of the arc-shaped sleeve 16 and penetrates through a second through hole 17 at a corresponding position, then the second bolt 18 is completely penetrated through the arc-shaped sleeve 16 and screwed down, the arc-shaped sleeve 16 and the second arc-shaped piece 19 are fastened together, then the bottom of the second arc-shaped piece 19 and the top of the second upright post 4 are fixedly connected together through bolts, and the arc-shaped assembly 14 is divided into two independent sections, so that the arc-shaped assembly is convenient to transport and carry in a construction place, the installation is more convenient, the labor intensity of installation is reduced, and meanwhile, the arc-shaped assembly 14 can bear larger impact and has high strength.
As a more preferred embodiment, the auxiliary supporting component 6 comprises a sleeve rod 7, a first bolt 8, a sliding rod 9, a first through hole 10, a fixed seat 11 and a ground nail 12, wherein the side wall of the sleeve rod 7 is penetrated and provided with the first bolt 8, the sliding rod 9 is connected inside the sleeve rod 7 in a sliding manner, the side wall of the sliding rod 9 is penetrated and provided with the first through hole 10, the bottom of the sliding rod 9 is rotatably connected with the fixed seat 11, the bottom of the fixed seat 11 is welded with the ground nail 12, the first through hole 10 is matched with the first bolt 8, the ground nail 12 is anchored under a foundation, after the arch frame is installed, the auxiliary supporting component 6 is arranged on the side surfaces of the first upright post 2 and the second upright post 4, the first bolt 8 is loosened to be completely taken out, then the sliding rod 9 can be pulled downwards to a proper length along the sleeve rod 7, then the first bolt 8 is inserted from a hole on the side surface of the sleeve rod 7 and passes through the first through hole 10 at a corresponding position, the first bolt 8 is screwed tightly, thus the sleeve rod 7 and the sliding rod 9 is fastened together, then the ground nail 12 is inserted into the sliding rod 8, the ground nail 12 is further, the whole is not supported by the slope strength is further extended, and the whole length of the arch frame is not suitable for the whole is formed, and the length of the arch frame can be further extended, and the whole is not supported by the whole.
In this embodiment, two diagonal braces 5 that are arranged in a crossing manner are fixedly disposed between the first upright and the first upright, and between the second upright and the second upright of the two adjacent transverse frame assemblies. The first connecting rod 26 is rotatably connected with the first arc-shaped member 15 through a rotating shaft, and the first connecting rod 26 is a steel member. The second connecting rod 28 is rotatably connected with the second arc-shaped member 19 through a rotating shaft, and the second connecting rod 28 and the first connecting rod 26 are the same components.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The steel pipe concrete arch frame for supporting the building corridor comprises transverse frame components, longitudinal rods (20) and auxiliary support components, wherein the transverse frame components extend in the width direction of the building corridor and are perpendicular to the longitudinal extension direction of the building corridor, two adjacent transverse frame components are connected through a plurality of longitudinal rods (20) which are arranged in parallel, the longitudinal rods extend along the length direction of the building corridor, and the two sides of each transverse frame component are provided with the auxiliary support components which extend into and are anchored on the ground; it is characterized in that the method comprises the steps of,
the transverse frame assembly is of an arch structure and is of a concrete filled steel tube structure, and comprises a vertical supporting assembly, an adjustable arch assembly (14) and a buffer supporting assembly (22), wherein two ends of the lower part of the adjustable arch assembly (14) are connected to the top of the vertical supporting assembly through flanges, a cross beam (21) is fixedly connected between the vertical supporting assemblies on two sides, and the middle part of the cross beam (21) and the lower side face of the adjustable arch assembly are provided with the buffer supporting assembly;
the buffer support assembly (22) can adjust the support tightness of the crossbeam (21) to the adjustable arch assembly;
the buffer support assembly (22) comprises a boss (23), a groove (24), a transverse plate (25), a first connecting rod (26), a buffer cushion (27), a second connecting rod (28) and a tightness adjustment assembly, wherein the groove (24) is formed in the top of the boss (23), the buffer cushion (27) is fixedly arranged at the bottom of the inner side of the groove (24), the transverse plate (25) is fixedly connected to the top of the buffer cushion (27), the first connecting rod (26) is rotatably connected to the top of the transverse plate (25), the second connecting rod (28) is rotatably connected to the position, close to the first connecting rod (26), of the top of the transverse plate (25), the upper ends of the first connecting rod (26) and the second connecting rod (28) are both hinged to the adjustable arch assembly, the boss (23) is fixedly supported on the transverse beam (21), and the tightness adjustment assembly is positioned on the lower end face of the transverse beam (21), and the upper end of the tightness adjustment assembly stretches into a hole of the transverse beam so as to be fixedly connected with the tightness adjustment assembly (27).
The tightness adjusting assembly comprises an tightness block (31), an adjusting wedge block (30), a locking tooth set (32) and a locking stud (29), wherein the tightness block (31) is arranged at the bottom of the cross beam, the tightness block (31) is of a ladder structure, the upper end of the tightness block (31) is of a ladder small end, the ladder small end stretches into the cross beam and is fixedly connected with the bottom of the buffer pad (27), a wedge cavity structure is formed between the upper end face of the ladder large end of the tightness block and the cross beam, the adjusting wedge block (30) is arranged at an adjustable position in the wedge cavity structure, tightness adjustment of the buffer supporting assembly is achieved by adjusting the position of the adjusting wedge block (30), one end, far away from the tightness block, of the adjusting wedge block (30) is of an extension fixing section, the extension fixing section is fixed on the cross beam by the locking stud (29), and the locking tooth set (32) is arranged on a wedge face, which is in mutual contact with the tightness block (31);
the anti-loosening tooth set (32) comprises upper teeth (33) and lower teeth (34), a plurality of upper tooth space arrays are arranged on the wedge surface of the adjusting wedge block (30), the lower teeth (34) are arranged on the wedge surface of the elastic block (31) at intervals, the upper teeth (33) are obliquely and downwardly arranged in an extending mode, the lower teeth (34) are obliquely and upwardly arranged in an extending mode, the inclination of the lower end surface (35) of each upper tooth is larger than that of the wedge surface of the elastic block (31), and an upper connecting surface (37) and a lower connecting surface (36) connected with the wedge surface of the elastic block (31) on each lower tooth are both upwardly inclined surfaces so that the adjusting wedge block (30) can be kept in the wedge cavity structure after being driven into the wedge cavity structure;
the vertical supporting component of the transverse frame component comprises a first base (1), a second base (3), a first stand column (2) and a second stand column (4), wherein the top of the first base (1) is in a flange connection with the first stand column (2), a cross beam (21) is welded on the side wall of the first stand column (2), the second stand column (4) is welded on the side wall of the cross beam (21), the second base (3) is welded on the bottom of the second stand column (4) in a flange connection mode, support bases (13) are welded on the side walls of the first stand column (2) and the second stand column (4), the upper ends of the auxiliary supporting components (6) are connected to the support bases (13), the first stand column (2) and the second stand column (4) are of steel pipe concrete structures, the first base (1) and the second stand column (3) are of concrete structures stretching into a foundation, and the adjustable arch component (14) is connected to the tops of the first stand column (2) and the second stand column (4).
2. The steel tube concrete arch frame for supporting a building corridor according to claim 1, wherein the adjustable arch assembly (14) comprises a first arc-shaped piece (15), an arc-shaped sleeve (16), a second bolt (18) and a second arc-shaped piece (19), one end of the first arc-shaped piece (15) is welded with the arc-shaped sleeve (16), the second arc-shaped piece (19) is connected to the inside of the arc-shaped sleeve (16) in a sliding mode, the second bolt (18) is penetrated through the top of the arc-shaped sleeve (16), a second through hole is penetrated through the top of the second arc-shaped piece (19), the second through hole is matched with the second bolt (18), a cavity (17) for grouting concrete which is mutually communicated is formed in the first arc-shaped piece (15), the arc-shaped sleeve (16) and the second arc-shaped piece (19), and the cavity (17) is communicated with the hollow cavities of the first upright and the second upright.
3. The steel tube concrete arch frame for supporting building galleries according to claim 1, wherein the auxiliary supporting component (6) comprises a loop bar (7), a first bolt (8), a sliding bar (9), a first through hole (10), a fixed seat (11) and a ground nail (12), the side wall of the loop bar (7) is penetrated and provided with the first bolt (8), the sliding bar (9) is connected in a sliding manner inside the loop bar (7), the first through hole (10) is penetrated and provided with the side wall of the sliding bar (9), the fixed seat (11) is connected at the bottom of the sliding bar (9) in a rotating manner, the ground nail (12) is welded at the bottom of the fixed seat (11), the first through hole (10) is matched with the first bolt (8), and the ground nail (12) is anchored below a foundation.
4. A reinforced concrete pipe arch for the support of construction galleries according to claim 1, characterized in that two diagonal braces (5) are fixedly arranged between the first upright and between the second upright and the second upright of two adjacent transverse frame assemblies.
5. A reinforced concrete pipe arch for construction corridor support according to claim 2, characterized in that the first connecting rod (26) is rotatably connected with the first arc-shaped member (15) through a rotation shaft, and the first connecting rod (26) is a steel member.
6. A reinforced concrete arch for supporting construction galleries according to claim 2, wherein the second connecting rod (28) is rotatably connected to the second arc member (19) through a rotation shaft, and the second connecting rod (28) is the same member as the first connecting rod (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811620905.3A CN109538247B (en) | 2018-12-28 | 2018-12-28 | Steel tube concrete arch frame for supporting building corridor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620905.3A CN109538247B (en) | 2018-12-28 | 2018-12-28 | Steel tube concrete arch frame for supporting building corridor |
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| CN109538247A CN109538247A (en) | 2019-03-29 |
| CN109538247B true CN109538247B (en) | 2024-04-05 |
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| CN110863844B (en) * | 2019-11-13 | 2021-03-02 | 浙江海洋大学 | Support equipment for tunnel construction |
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