CN115404878A

CN115404878A - Long strip-shaped multi-arch foundation pit supporting device for deep foundation pit

Info

Publication number: CN115404878A
Application number: CN202211171720.5A
Authority: CN
Inventors: 周一成
Original assignee: Shanghai Youhai Construction Engineering Co ltd
Current assignee: Shanghai Youhai Construction Engineering Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-11-29
Anticipated expiration: 2042-09-26
Also published as: CN115404878B

Abstract

The utility model relates to a continuous arch formula foundation ditch supporting device of rectangular shape deep basal pit, relate to the field of construction, it includes first supporting mechanism, second supporting mechanism and the coupling mechanism who is used for connecting first supporting mechanism and second supporting mechanism, wherein, coupling mechanism includes first vertical connecting plate and first locating rod, first vertical connecting plate sets up the both ends at first supporting mechanism, one side that first supporting mechanism was kept away from to first vertical connecting plate is provided with along vertical direction and the first horizontal connecting plate of first vertical connecting plate sliding connection and level setting, first locating hole has been seted up on the first horizontal connecting plate, first horizontal connecting plate below is provided with the first horizontal connecting block with first vertical connecting plate fixed connection, first locating groove has been seted up on the first horizontal connecting block, be provided with the first locating rod that can wear to establish in first locating hole and first locating groove on the second supporting component. The application improves the defect that the traditional supporting structure is difficult to operate during splicing.

Description

Long strip-shaped multi-arch foundation pit supporting device for deep foundation pit

Technical Field

The application relates to the field of building construction, in particular to a multi-arch foundation pit supporting device for a long strip-shaped deep foundation pit.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. In the construction process of buildings such as subway stations and the like, a long-strip-shaped foundation pit needs to be excavated.

In the existing foundation pit supporting technology, a baffle or a support is generally adopted to support a foundation pit, and in the long-strip-shaped deep foundation pit supporting, the baffle and the support are generally spliced by adopting a bolt fixing mode.

When the concatenation, need a plurality of workman to mutually support and align baffle and support and foundation ditch wall to relapse a plurality of bolts of knob, this mounting means is comparatively loaded down with trivial details, intensity of labour is great, influences dismouting and conveying efficiency.

Disclosure of Invention

In order to improve the comparatively complicated defect of supporting construction's concatenation mode in traditional rectangular shape deep basal pit supporting technique, this application provides a continuous arch formula underground structure supporting device of rectangular shape deep basal pit.

The application provides a pair of long strip shaped deep foundation pit's even arch form foundation ditch supporting device adopts following technical scheme:

a continuous arch type foundation pit supporting device for a long strip-shaped deep foundation pit comprises a first supporting mechanism, a second supporting mechanism and a connecting mechanism for connecting the first supporting mechanism and the second supporting mechanism;

the first support mechanism comprises a first support bottom rod arranged horizontally and a first support column arranged vertically, the bottom end of the first support column is fixedly connected with the center of the top of the first support bottom rod, and a plurality of first insertion rods for fixing with a lower layer structure are fixedly arranged at the bottom of the first support bottom rod along the length direction of the first support bottom rod;

the second supporting mechanism comprises a second supporting bottom rod which is horizontally arranged, and a plurality of second inserting rods which are used for being fixed with the underlying structure are fixedly arranged at the bottom of the second supporting bottom rod along the length direction of the second supporting bottom rod;

the first supporting mechanism and the second supporting mechanism are uniformly provided with a plurality of groups along the length direction of the first supporting bottom rod;

the connecting mechanism comprises a first vertical connecting plate and a first positioning rod, the first vertical connecting plate is arranged at two ends of the first supporting bottom rod and is perpendicular to the first supporting bottom rod, and a first horizontal connecting plate which is connected with the first vertical connecting plate in a sliding mode in the vertical direction and is horizontally arranged is arranged on one side, away from the first supporting bottom rod, of the first vertical connecting plate;

a first horizontal connecting block which is parallel to the first horizontal connecting plate and is fixedly connected with the first vertical connecting plate is arranged below the first horizontal connecting plate, a first positioning hole is formed in the first horizontal connecting plate, and a first positioning groove which is opposite to the first positioning hole is formed in the first horizontal connecting block;

the first locating rod is a telescopic rod, the first locating rod is arranged at two ends of the second supporting bottom rod, and the first locating rod is vertically arranged and can penetrate through the first locating hole and the first locating groove.

By adopting the technical scheme, the first supporting mechanism and the second supporting mechanism can be connected through the connecting mechanism, the connection mode is simple and convenient to operate, the splicing convenience of the supporting structure is improved, and the defect that the splicing mode is complex in the traditional strip-shaped deep foundation pit construction is overcome;

specifically, the first supporting mechanism and the second supporting mechanism can be arranged to form a long-strip-shaped supporting structure through a plurality of groups of the first supporting mechanism and the second supporting mechanism along the horizontal direction, so that the supporting strength of the long-strip-shaped deep foundation pit is enhanced;

the arrangement of the first supporting bottom rod and the first inserting rod can enable the first supporting bottom rod to be inserted into the lower layer structure through the first inserting rod, so that the stability of the first supporting bottom rod is enhanced; the setting of second support sill bar and second inserted bar can support the sill bar through the second inserted bar and peg graft in the substructure with the second, has strengthened the stability that the second supported the sill bar.

The first horizontal connecting plate and the first horizontal connecting block can be arranged at one end, far away from the first supporting bottom rod, of the first vertical connecting plate;

through the arrangement of the first horizontal connecting plate, a first positioning hole can be formed in the first horizontal connecting plate, and through the arrangement of the first horizontal connecting block, a first positioning groove which is opposite to the first positioning hole can be formed in the first horizontal connecting block;

the first positioning rods are arranged at the two ends of the second supporting bottom rod, so that the first supporting bottom rod and the second supporting bottom rod can be connected with each other by penetrating the first positioning rods into the first positioning holes and the first positioning grooves;

by arranging the first horizontal connecting plate in a sliding manner along the vertical direction, when the first bottom supporting rod and the second bottom supporting rod are connected, the first horizontal connecting plate can be vertically moved upwards, the first positioning rod is arranged between the first horizontal connecting plate and the first horizontal connecting block, the top end of the first positioning rod is aligned to the first positioning hole, and the bottom end of the first positioning rod is aligned to the first positioning groove;

then, the bottom end of the first positioning rod is inserted into the first positioning groove, and the top end of the first positioning rod penetrates through the first positioning hole, so that the connection between the first supporting mechanism and the second supporting mechanism can be completed;

simultaneously, first locating rod wears to establish in first constant head tank and first locating hole, can rotate along self axis direction in first constant head tank and first locating hole to can adjust the angle between first supporting mechanism and the second supporting mechanism, improve the defect that the concatenation degree of difficulty further improves when the foundation ditch changes the angle, further improve the convenience of concatenation, improve supporting device's functionality simultaneously.

Optionally, the device further comprises a driving mechanism, a transmission mechanism and a telescopic mechanism, wherein the telescopic mechanism is used for adjusting the width of the first supporting mechanism along the horizontal direction and the height of the first supporting mechanism along the vertical direction, and the driving mechanism is used for driving the transmission mechanism to drive the telescopic mechanism to adjust the width and the height of the first supporting mechanism under the operation of a worker;

the telescopic mechanism comprises a horizontal telescopic bottom rod and an active vertical telescopic rod, the horizontal telescopic bottom rod is a bidirectional telescopic rod, the first supporting bottom rod is hollow inside and has a structure with two open ends, the first supporting column is also hollow inside and has a structure with both open ends, the horizontal telescopic bottom rod is arranged inside the first supporting bottom rod, and the active vertical telescopic rod is arranged inside the first supporting column;

the driving mechanism comprises a rotating rod and a steering wheel, the rotating rod is horizontally arranged, the length direction of the rotating rod is perpendicular to that of the first supporting bottom rod, one end of the rotating rod is rotatably connected with the center of one side of the first supporting bottom rod, the other end of the rotating rod is fixedly connected with the steering wheel and is coaxially arranged with the steering wheel, and the steering wheel can rotate along the axis direction of the steering wheel under the driving of workers;

drive mechanism includes first drive assembly and second drive assembly, first drive assembly is used for drive under actuating mechanism's the extension of horizontal flexible sill bar with shorten, second drive assembly is used for drive under actuating mechanism's the extension of the vertical telescopic link of initiative and shorten.

By adopting the technical scheme, the width of the first supporting mechanism in the horizontal direction and the height of the first supporting mechanism in the vertical direction can be adjusted;

through the arrangement of the telescopic mechanism, the width of the first supporting mechanism in the horizontal direction and the height of the first supporting mechanism in the vertical direction can be adjusted through the telescopic mechanism;

through the arrangement of the driving mechanism, the telescopic mechanism can be adjusted under the operation of workers;

through the arrangement of the transmission mechanism, the power of the driving mechanism can be transmitted to the telescopic mechanism, so that the width and the height of the first supporting mechanism can be conveniently adjusted;

specifically, through the arrangement of the horizontal telescopic bottom rod, the width of the first supporting mechanism in the horizontal direction can be adjusted through the horizontal telescopic bottom rod;

through the arrangement of the driving vertical telescopic rod, the height of the first supporting mechanism in the vertical direction can be adjusted through the driving vertical telescopic rod;

through the arrangement of the rotating rod and the steering wheel, power can be transmitted to the rotating rod through the rotation of the steering wheel by workers, and then the power can be transmitted to the telescopic mechanism through the rotating rod through the transmission mechanism;

through the arrangement of the first transmission assembly, the power of the rotating rod can be transmitted to the horizontal telescopic bottom rod through the first transmission assembly;

through the arrangement of the second transmission assembly, the power of the rotating rod can be transmitted to the driving vertical telescopic rod through the second transmission assembly;

through the setting of above-mentioned structure, can adjust the height and the width of first supporting component, strengthened its functionality.

Optionally, the first transmission assembly includes a driving wheel, a first driven shaft, a first transmission wheel, a first pulley set and a first rack;

the horizontal telescopic bottom rod and the driving vertical telescopic rod are both of internal hollow structures;

the driving wheel is arranged in the horizontal telescopic bottom rod and is fixedly connected with one end of the steering rod, which is far away from the steering wheel, and the driving wheel can be driven to rotate when the steering rod rotates;

the first driven wheel is arranged in the horizontal telescopic bottom rod and meshed with the driving wheel, the axial direction of the first driven wheel is the same as the length direction of the horizontal telescopic bottom rod, and the first driven wheel can be driven to rotate when the driving wheel rotates;

the first driven shaft is arranged in the horizontal telescopic bottom rod and is coaxial with the first driven wheel, the first driven wheel is fixedly arranged at the center of the first driven shaft in a penetrating mode, and the first driven shaft can be driven to rotate when the first driven wheel rotates;

the first driving wheel is provided with two ends which are respectively positioned at the first driven shaft, the first driving wheel and the first driven shaft are coaxially arranged and fixedly connected, and when the first driven shaft rotates, the first driving wheel can be driven to rotate;

the first driving wheel set is also provided with two belt wheel sets which are respectively meshed with the two first driving wheels, the axis direction of the two belt wheel sets is vertical to the axis direction of the first driving wheels, and the first driving wheels can drive the first belt wheel sets to rotate when rotating;

first rack is provided with two sets ofly and is located respectively the inside both ends of flexible sill bar of level, first rack with the length direction of the flexible sill bar of level the same and with the inner wall fixed connection of the flexible sill bar of level, first rack with the meshing of first band pulley group is worked as when first band pulley group rotates, can drive first rack removes to can drive the flexible sill bar of level extension is extended or is shortened.

By adopting the technical scheme, the width of the first supporting mechanism can be adjusted through the first transmission assembly under the action of the driving mechanism;

specifically, by arranging the horizontal telescopic bottom rod and the driving vertical telescopic rod into an internal hollow structure, other components can be arranged in the horizontal telescopic bottom rod and the driving vertical telescopic rod;

the driving wheel is arranged at one end of the steering rod, which is far away from the steering wheel, so that the driving wheel can be driven to rotate through the rotation of the steering rod;

the first driven wheel meshed with the driving wheel is arranged, so that the first driven wheel can be driven to rotate by the driving wheel;

the first driven shaft fixedly connected with the first driven wheel is arranged, so that the first driven shaft can be driven to rotate through the rotation of the first driven wheel;

the first driving wheel fixedly connected with the first driven shaft is arranged, so that the first driving wheel can be driven to rotate through the rotation of the first driven shaft;

the first driving wheel set is meshed with the first driving wheel, and the first driving wheel set can be driven to rotate through the rotation of the first driving wheel;

the first rack meshed with the first belt pulley set is arranged, so that the first rack can be driven to move through the rotation of the first belt pulley set;

through the arrangement of two groups of first racks and the fixed connection of the two groups of first racks with the two ends of the horizontal telescopic bottom rod respectively, the two ends of the horizontal telescopic bottom rod can be driven to extend and shorten by the movement of the first racks;

through the arrangement of the structure, the power of the steering rod can be transmitted to the horizontal telescopic bottom rod, and the extension and the shortening of the horizontal telescopic bottom rod can be controlled, so that the functionality of the supporting device is improved.

Optionally, the second transmission assembly includes a second driven wheel, a second driven shaft, a second transmission wheel, a second pulley set and a second rack;

the second driven wheel is arranged in the horizontal telescopic bottom rod and meshed with the driving wheel, the axial direction of the second driven wheel is the same as the length direction of the driving vertical telescopic rod, and the second driven wheel can be driven to rotate when the driving wheel rotates;

the second driven shaft is arranged in the driving vertical telescopic rod and is coaxial with the second driven wheel, the second driven wheel is fixedly connected with the bottom end of the second driven shaft, and the second driven wheel can be driven to rotate when rotating;

the second driving wheel is arranged at the top end of the second driven shaft and is coaxial with the second driven shaft, and when the second driven shaft rotates, the second driving wheel can be driven to rotate;

the second belt pulley set is arranged in the driving vertical telescopic rod, the axis direction of the second belt pulley set is perpendicular to the axis direction of the second driving wheel, and the second belt pulley set can be driven to rotate when the second driving wheel rotates;

the second rack is arranged at the top end inside the driving vertical telescopic rod, the length direction of the second rack is the same as that of the driving vertical telescopic rod, the second rack is fixedly connected with the inner wall of the driving vertical telescopic rod, the second rack is meshed with the second belt pulley set, and when the second belt pulley set rotates, the second rack can be driven to move, so that the driving vertical telescopic rod can be driven to extend or shorten.

By adopting the technical scheme, the height of the first supporting mechanism can be adjusted through the second transmission assembly under the action of the driving mechanism;

specifically, the second driven wheel meshed with the driving wheel is arranged, so that the driving wheel can drive the second driven wheel to rotate;

the second driven shaft fixedly connected with the second driven wheel is arranged, so that the second driven shaft can be driven to rotate through the rotation of the second driven wheel;

the second driving wheel fixedly connected with the second driven shaft is arranged, so that the second driving wheel can be driven to rotate through the rotation of the second driven shaft;

the second belt pulley set meshed with the second driving wheel is arranged, so that the second belt pulley set can be driven to rotate through the rotation of the second driving wheel;

the second rack meshed with the second belt pulley set is arranged, so that the second rack can be driven to move through the rotation of the second belt pulley set;

the second rack is fixedly connected with the top end of the driving vertical telescopic rod, so that the top end of the driving vertical telescopic rod can be driven to rise and fall by the movement of the first rack;

through the arrangement of the structure, the power of the steering rod can be transmitted to the active vertical telescopic rod, and the rising and the lowering of the active vertical telescopic rod can be controlled, so that the functionality of the supporting device is improved.

Optionally, the first supporting mechanism further includes a first supporting ejector rod, the telescoping mechanism further includes a horizontal telescoping ejector rod, and the transmission mechanism further includes a third transmission assembly;

the first support ejector rod and the first support bottom rod are arranged in parallel, the horizontal telescopic ejector rod is arranged inside the first support ejector rod, and the center of the bottom of the horizontal telescopic ejector rod is fixedly connected with the top end of the driving vertical telescopic rod;

the third transmission assembly comprises a telescopic shaft, a third driving wheel, a third driven shaft, a third transmission wheel, a third belt pulley set and a third rack;

the telescopic shaft is vertically arranged in the driving vertical telescopic rod, the bottom end of the telescopic shaft is fixedly connected with the top end of the second driven shaft, and the top end of the telescopic shaft is positioned in the horizontal telescopic ejector rod;

the third driving and driven wheel is arranged in the horizontal telescopic ejector rod and is fixedly connected with the top end of the telescopic shaft, and the axial direction of the third driving and driven wheel is the same as that of the telescopic shaft;

the third auxiliary driven wheel is also arranged in the horizontal telescopic ejector rod and is meshed with the third main driving wheel and the third auxiliary driving wheel, and the axial direction of the third auxiliary driven wheel is the same as the length direction of the horizontal telescopic ejector rod;

the third driven shaft is also arranged in the horizontal telescopic ejector rod and is coaxially arranged with the third auxiliary driven wheel, and the third auxiliary driven wheel is fixedly arranged at the center of the third driven shaft in a penetrating manner;

the two third driving wheels are respectively positioned at two ends of the third driven shaft, and the third driving wheels and the third driven shaft are coaxially arranged and fixedly connected;

the third belt wheel sets are also provided with two belt wheel sets which are respectively meshed with the two third driving wheels, and the axial direction of the belt wheel sets is vertical to the axial direction of the third driving wheels;

the third rack is provided with two groups and is respectively positioned at two ends inside the horizontal telescopic ejector rod, the third rack is the same as the horizontal telescopic ejector rod in length direction and is fixedly connected with the inner wall of the horizontal telescopic ejector rod, and the third rack is meshed with the third belt pulley group.

By adopting the technical scheme, the stability of the first supporting mechanism can be further enhanced, and meanwhile, the width of the first supporting ejector rod can be adjusted through the third transmission assembly under the action of the driving mechanism;

particularly, the stability of the first supporting mechanism can be enhanced through the arrangement of the first supporting ejector rod;

through the arrangement of the horizontal telescopic ejector rod, the width of the top end of the first supporting mechanism can be adjusted through the horizontal telescopic ejector rod;

the telescopic shaft fixedly connected with the second driven shaft is arranged, so that the telescopic shaft can be driven to rotate through the rotation of the second driven shaft;

the third driving wheel and the third driven wheel which are fixedly connected with the telescopic shaft are arranged, so that the third driving wheel and the third driven wheel can be driven to rotate through the rotation of the telescopic shaft;

the third driven wheel is meshed with the third driving wheel and the third driven wheel, so that the third driven wheel can be driven to rotate by the third driving wheel and the third driven wheel;

the third driven shaft fixedly connected with the third auxiliary driven wheel is arranged, so that the third driven shaft can be driven to rotate through the rotation of the third auxiliary driven wheel;

the third driving wheel fixedly connected with the third driven shaft is arranged, so that the third driving wheel can be driven to rotate through the rotation of the third driven shaft;

the third belt pulley set meshed with the third driving wheel is arranged, so that the third belt pulley set can be driven to rotate through the rotation of the third driving wheel;

the third rack meshed with the third belt pulley set is arranged, so that the third rack can be driven to move through the rotation of the third belt pulley set;

through the arrangement of the two groups of third racks and the fixed connection of the two groups of third racks with the two ends of the horizontal telescopic ejector rod respectively, the movement of the third racks can drive the two ends of the horizontal telescopic ejector rod to extend and shorten;

through the arrangement of the structure, the power of the steering rod can be transmitted to the horizontal telescopic ejector rod, and the extension and the shortening of the horizontal telescopic ejector rod can be controlled, so that the functionality of the supporting device is improved.

Optionally, the second support mechanism further comprises a second support top rod, and the second support top rod and the second support bottom rod are arranged in a manner of being opposite to each other in the vertical direction;

the telescopic mechanism further comprises a first driven vertical telescopic rod, and the first driven vertical telescopic rod is arranged between the second supporting top rod and the second supporting bottom rod;

the connecting mechanism further comprises a second vertical connecting plate and a second positioning rod, the second vertical connecting plate is arranged at two ends of the horizontal telescopic ejector rod and is perpendicular to the horizontal telescopic ejector rod, and a second horizontal connecting plate which is connected with the second vertical connecting plate in a sliding mode in the vertical direction and is arranged horizontally is arranged on one side, away from the horizontal telescopic ejector rod, of the second vertical connecting plate;

a second horizontal connecting block which is parallel to the second horizontal connecting plate and is fixedly connected with the second vertical connecting plate is arranged below the second horizontal connecting plate, a second positioning hole is formed in the second horizontal connecting plate, and a second positioning groove which is opposite to the second positioning hole is formed in the second horizontal connecting block;

the second positioning rod is a telescopic rod and is vertically arranged, the second positioning rod is arranged at two ends of the second supporting ejector rod, a horizontally arranged second limiting telescopic rod is connected between the second positioning rod and the second supporting ejector rod, and the second positioning rod can penetrate through the second positioning hole and the second positioning groove;

first driven vertical telescopic link includes first flexible ejector pin and first flexible sill bar, the first spacing hole of a plurality of has been seted up along vertical direction to first flexible sill bar, first spacing groove has been seted up on the first flexible ejector pin, first spacing groove and one of them first spacing downthehole first gag lever post that wears to be equipped with.

By adopting the technical scheme, the stability of the supporting device can be enhanced;

specifically, the height of the second supporting mechanism can be adjusted under the action of the first supporting mechanism through the arrangement of the second supporting ejector rod and the first driven vertical telescopic rod, so that the heights of the first supporting mechanism and the second supporting mechanism are kept consistent;

through arranging the second vertical connecting plates at the two ends of the horizontal telescopic ejector rod, a second horizontal connecting plate and a second horizontal connecting block can be arranged on one side, far away from the horizontal telescopic ejector rod, of the second vertical connecting plate;

through the arrangement of the second horizontal connecting plate, a second positioning hole can be formed in the second horizontal connecting plate, and through the arrangement of the second horizontal connecting block, a second positioning groove which is opposite to the second positioning hole can be formed in the second horizontal connecting block;

the distance between the second positioning rod and the second supporting ejector rod can be adjusted through the second limiting telescopic rod by arranging the second limiting telescopic rod and the second positioning rod at the two ends of the second supporting ejector rod, and the horizontal telescopic ejector rod and the second supporting ejector rod can be connected with each other by penetrating the second positioning rod into the second positioning hole and the second positioning groove;

the second horizontal connecting plate is arranged in a sliding mode along the vertical direction, when the horizontal telescopic ejector rod and the second supporting ejector rod are connected, the second horizontal connecting plate can be moved vertically upwards, and the second positioning rod is arranged between the second horizontal connecting plate and the second horizontal connecting block through the telescopic second limiting telescopic rod, so that the top end of the second positioning rod is aligned to the second positioning hole, and the bottom end of the second positioning rod is aligned to the second positioning groove;

then, the bottom end of the second positioning rod is inserted into the second positioning groove, and the top end of the second positioning rod penetrates through the second positioning hole, so that the connection between the top end of the first supporting mechanism and the top end of the second supporting mechanism can be completed;

through the arrangement of the structure, the second supporting ejector rod can be driven by the connecting mechanism to move in the vertical direction along with the horizontal telescopic ejector rod, so that the heights of the first supporting mechanism and the second supporting mechanism are kept consistent;

through the arrangement of the first telescopic top rod and the first telescopic bottom rod, a first limit groove can be formed in the first telescopic top rod, and a first limit hole can be formed in the first telescopic bottom rod;

through seting up of first spacing hole and first spacing groove, can wear to establish first gag lever post through simultaneously in first spacing hole and first spacing inslot, restrict the height of first driven vertical telescopic link to restriction second supporting mechanism's height, thereby can improve supporting construction's stability.

Optionally, the telescopic mechanism further comprises a second driven vertical telescopic rod;

two groups of second driven vertical telescopic rods are symmetrically arranged on two sides of the driving vertical telescopic rod, the top ends of the second driven vertical telescopic rods are fixedly connected with the first supporting top rod, and the bottom ends of the second driven vertical telescopic rods are fixedly connected with the first supporting bottom rod;

the driven vertical telescopic link of second includes the flexible ejector pin of second and the flexible sill bar of second, the spacing hole of a plurality of second has been seted up along vertical direction to the flexible sill bar of second, the second spacing groove has been seted up on the flexible ejector pin of second, second spacing groove and one of them the spacing downthehole second gag lever post that wears to be equipped with of second.

By adopting the technical scheme, the stability of the first support component can be improved;

through the arrangement of the second telescopic top rod and the second telescopic bottom rod, a second limit groove can be formed in the second telescopic top rod, and a second limit hole can be formed in the second telescopic bottom rod;

through seting up of second spacing hole and second spacing groove, can wear to establish the second gag lever post through spacing hole of second and second spacing inslot simultaneously, restrict the height of the driven vertical telescopic link of second to the height of the first supporting mechanism of restriction, thereby can further improve supporting construction's stability.

Optionally, the telescopic mechanism further comprises a third driven vertical telescopic rod;

two groups of third driven vertical telescopic rods are symmetrically arranged on two sides of the first driven vertical telescopic rod, the top end of each third driven vertical telescopic rod is fixedly connected with the second supporting top rod, and the bottom end of each third driven vertical telescopic rod is fixedly connected with the second supporting bottom rod;

the third driven vertical telescopic rod comprises a third telescopic ejector rod and a third telescopic bottom rod, a plurality of third limiting holes are formed in the third telescopic bottom rod along the vertical direction, a third limiting groove is formed in the third telescopic ejector rod, and a third limiting rod penetrates through the third limiting groove and one of the third limiting holes.

By adopting the technical scheme, the stability of the second supporting component can be further improved;

through the arrangement of the third telescopic top rod and the third telescopic bottom rod, a third limit groove can be formed in the third telescopic top rod, and a third limit hole can be formed in the third telescopic bottom rod;

through the establishment of third spacing hole and third spacing groove, can wear to establish the third gag lever post through simultaneously in third spacing hole and third spacing inslot, the height of the driven vertical telescopic link of restriction third to restriction second supporting mechanism's height, thereby can further improve supporting construction's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first supporting mechanism, the second supporting mechanism and the connecting mechanism, the first supporting mechanism and the second supporting mechanism can be connected by penetrating the first positioning rod into the first positioning hole and the first positioning groove, the splicing mode does not need to use bolts, the operation is simple and convenient, the splicing efficiency is improved, the defect that the traditional splicing mode is complex is overcome, meanwhile, the angle between the first supporting mechanism and the second supporting mechanism can be adjusted, and the functionality of a supporting structure is improved;

2. through the arrangement of the driving mechanism and the first transmission assembly, the width of the first supporting mechanism can be adjusted through the first transmission assembly under the action of the driving mechanism, so that the functionality of the supporting device is further improved;

3. through the setting of second drive assembly, can adjust the height of first supporting mechanism through second drive assembly under actuating mechanism's effect to this supporting device's functionality has further been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged partial view of portion B of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a first support mechanism of an embodiment of the present application;

FIG. 5 is an enlarged partial schematic view of portion C of FIG. 4;

FIG. 6 is a cross-sectional view of another perspective of the first support mechanism of the present application;

FIG. 7 is an enlarged partial schematic view of portion D of FIG. 4;

FIG. 8 is an enlarged partial view of section E of FIG. 4;

fig. 9 is a partially enlarged schematic view of portion F of fig. 6;

FIG. 10 is an enlarged partial view of portion G of FIG. 4;

fig. 11 is a partially enlarged schematic view of a portion H in fig. 1.

Description of reference numerals: 1. a first support mechanism; 11. a first support bottom bar; 12. a first support mandril; 13. a first support column; 14. a first plunger; 2. a second support mechanism; 21. a second support bottom bar; 22. a second support mandril; 23. a second plunger; 3. a connecting mechanism; 31. a first vertical connecting plate; 32. a second vertical connecting plate; 33. a first positioning rod; 34. a second positioning rod; 35. a first horizontal connecting plate; 351. a first positioning hole; 36. a first horizontal connecting block; 361. a first positioning groove; 37. a second horizontal connecting plate; 371. a second positioning hole; 38. a second horizontal connecting block; 381. a second positioning groove; 39. a first limit telescopic rod; 30. a second limit telescopic rod; 4. a telescoping mechanism; 41. a horizontally telescopic bottom rod; 42. a horizontal telescopic ejector rod; 43. driving the vertical telescopic rod; 44. a first driven vertical telescoping rod; 441. a first telescopic ejector rod; 4411. a first limit groove; 442. a first telescoping bottom bar; 4421. a first limit hole; 45. a second driven vertical telescoping rod; 451. a second telescopic ejector rod; 4511. a second limit groove; 452. a second telescoping bottom bar; 4521. a second limiting hole; 46. a third driven vertical telescoping rod; 461. a third telescopic ejector rod; 4611. a third limiting groove; 462. a third telescopic bottom rod; 4621. a third limiting hole; 5. a drive mechanism; 51. a steering wheel; 52. a steering lever; 53. a rocker; 6. a transmission mechanism; 61. a first transmission assembly; 611. a driving wheel, 612, a first driven wheel; 613. a first driven shaft; 614. a first pulley set; 6141. a first conical pulley; 6142. a first straight belt wheel; 615. a first rack; 616. a first drive pulley; 62. a second transmission assembly; 621. a second driven wheel; 622. a second driven shaft; 623. a second transmission wheel; 624. a second pulley set; 6241. a second cone pulley; 6242. a second straight belt wheel; 625. a second rack; 63. a third transmission assembly; 631. a telescopic shaft; 632. a third driving and driven wheel; 633. a third driven pulley; 634. a third driven shaft; 635. a third transmission wheel; 636. a third pulley set; 6361. a third conical pulley; 6362. a third straight belt wheel; 637. a third rack; 7. a first limit rod; 8. a second limiting rod; 9. and a third limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses long strip-shaped deep foundation pit's even arch form foundation pit supporting device. Referring to fig. 1, the multi-arch foundation pit supporting device for the strip-shaped deep foundation pit comprises a first supporting mechanism 1, a second supporting mechanism 2, a connecting mechanism 3, a telescopic mechanism 4, a driving mechanism 5 and a transmission mechanism 6, wherein the first supporting mechanism 1 and the second supporting mechanism 2 are used for supporting the supporting device, the connecting mechanism 3 is used for connecting the first supporting mechanism 1 and the second supporting mechanism 2, the telescopic mechanism 4 is used for adjusting the width of the supporting device in the horizontal direction and the height of the supporting device in the vertical direction, and the driving mechanism 5 is used for driving the transmission mechanism 6 to drive the telescopic mechanism 4 to adjust the width and the height of the supporting device under the operation of a worker.

Referring to fig. 1, first supporting mechanism 1 includes the first support bottom bar 11 that the level set up, the first support post 13 of first support ejector pin 12 and vertical setting, first support bottom bar 11 is rectangular form and transversal rectangle of personally submitting, first support ejector pin 12 is the same with the size of first support bottom bar 11 and just to setting up in vertical direction, first support ejector pin 12, first support bottom bar 11 and first support post 13 are inside hollow structure, the vertical setting of first support post 13 and the top center department fixed connection of bottom and first support bottom bar 11, and first support post 13 bottom communicates through the mutual inside of junction with first support bottom bar 11.

Referring to fig. 1, a plurality of first inserting rods 14 which are vertically arranged and used for being fixed with a lower layer structure are fixedly arranged at the bottom of a first supporting bottom rod 11 along the length direction of the first supporting bottom rod, and a plurality of groups are arranged on a first supporting mechanism 1 along the length direction of the first bottom rod.

Referring to fig. 1, the second supporting mechanism 2 includes a second supporting bottom bar 21 and a second supporting top bar 22 which are horizontally arranged, a longitudinal section of the second supporting bottom bar 21 is arched, a size of the second supporting bottom bar 21 is equal to a size of the second supporting top bar 22, and the second supporting bottom bar 21 and the second supporting top bar 22 are arranged opposite to each other in a vertical direction.

Referring to fig. 1, a plurality of second insertion rods 23 which are vertically arranged and used for being fixed with a lower layer mechanism are fixedly arranged at the bottom of the second supporting bottom rod 21 along the length direction of the second supporting bottom rod, and a plurality of groups are arranged on the second supporting mechanism 2 along the length direction of the second bottom rod.

When the support mechanism is installed, the first support bottom rod 11 is fixed with a lower layer structure through the first inserting rod 14, and then the first support mechanism 1 can be fixed; then, the second supporting bottom rod 21 is fixed to the lower layer structure through the second inserting rod 23, and the second supporting mechanism 2 can be fixed.

Referring to fig. 1, the telescoping mechanism 4 includes a horizontally-arranged horizontally-telescoping bottom rod 41, a horizontally-telescoping top rod 42, and a vertically-arranged driving vertical telescopic rod 43, a first driven vertical telescopic rod 44, a second driven vertical telescopic rod 45, and a third driven vertical telescopic rod 46.

Referring to fig. 1, the horizontal telescopic bottom rod 41 is a bidirectional telescopic rod and symmetrically disposed inside the first supporting bottom rod 11, a fixing portion of the horizontal telescopic bottom rod 41 is fixedly connected to an inner wall of the first supporting bottom rod 11, and two ends of the horizontal telescopic bottom rod are always located outside openings at two ends of the first supporting bottom rod 11.

Referring to fig. 1 and 2, the connecting mechanism 3 includes a first vertical connecting plate 31, a second vertical connecting plate 32, a first positioning rod 33, and a second positioning rod 34;

referring to fig. 1 and 2, the first vertical connecting plate 31 is provided with two ends which are respectively located at two ends of the horizontal telescopic bottom rod 41, the first vertical connecting plate 31 is vertically arranged and is perpendicular to the horizontal telescopic bottom rod 41, and the first vertical connecting plate 31 is fixedly connected with the end surface of the horizontal telescopic bottom rod 41;

referring to fig. 1 and 2, the longitudinal section of the first vertical connecting plate 31 is rectangular, the length direction of the first vertical connecting plate is vertical, and a first horizontal connecting plate 35 is slidably arranged on one side of the first vertical connecting plate 31 away from the horizontal telescopic bottom rod 41 along the vertical direction.

Referring to fig. 1 and 2, the first horizontal connecting plate 35 is horizontally disposed and rectangular, and the first horizontal connecting plate 35 is provided with a first positioning hole 351 which is circular and penetrates through the first connecting plate along the vertical direction.

Referring to fig. 1 and 2, a first horizontal connecting block 36 is disposed under the first horizontal connecting plate 35 and opposite to the first horizontal connecting plate 35, and the size of the cross section of the first horizontal connecting block 36 is the same as that of the cross section of the first horizontal connecting plate 35.

Referring to fig. 1 and 2, one side of the first horizontal connecting block 36, which is close to the first vertical connecting plate 31, is fixedly connected to the first vertical connecting plate 31, a first positioning groove 361, which is vertical and opposite to the first positioning hole 351 in the depth direction, is formed in the top of the first horizontal connecting block 36, and the cross-sectional dimension of the first positioning groove 361 is the same as that of the first positioning hole 351.

Referring to fig. 1 and 2, the first positioning rod 33 is a bidirectional telescopic rod, the first positioning rod 33 is provided with two ends respectively located at the second supporting bottom rod 21, the first positioning rod 33 is vertically arranged, and a first horizontal limiting telescopic rod 39 is fixedly connected between the end surfaces of the first positioning rod 33 and the second supporting bottom rod 21.

Referring to fig. 1 and 2, the length direction of the first limit telescopic rod 39 is the same as the length direction of the second support bottom rod 21; the cross section of the first positioning rod 33 is circular, and the first positioning rod 33 can simultaneously penetrate through the first positioning hole 351 and the first positioning groove 361 and can rotate in the first positioning groove 361 along the axis direction thereof.

When connecting first supporting mechanism 1 and second supporting mechanism 2, after installing first support bottom bar 11 and second support bottom bar 21, earlier with the vertical upwards slip of first horizontally connect board 35, then remove adjacent first locating lever 33 to between first horizontally connect piece 36 and the first horizontally connect board 35 through first spacing telescopic link 39, insert first locating hole 351 with the top of first locating lever 33, insert first constant head tank 361 with the bottom of first locating lever 33, can accomplish the connection between flexible bottom bar 41 of level and the second support bottom bar 21.

Referring to fig. 1 and 3, the drive mechanism 5 includes a steering wheel 51, a steering rod 52, and a rocker 53.

Referring to fig. 1 and 3, the steering rod 52 is horizontally disposed and has a length direction perpendicular to a length direction of the first support base rod 11, the steering rod 52 is rotatably connected to a center of one side of the first support base rod 11, and one end of the steering rod 52 is located at a center of an inside of the first support base rod 11.

Referring to fig. 1 and 3, the steering wheel 51 is located at one end of the steering rod 52 far away from the first support bottom rod 11, the steering wheel 51 is fixedly connected and coaxially arranged with the steering rod 52, and the rocker 53 is located at one side of the steering wheel 51 far away from the steering rod 52 and fixedly connected with the steering wheel 51.

In use, a worker can rotate the rocker 53 by hand to rotate the steering wheel 51, and thus the steering rod 52.

Referring to fig. 1, the horizontal telescopic bottom rod 41, the horizontal telescopic top rod 42 and the driving vertical telescopic rod 43 are all hollow structures.

Referring to fig. 1 and 4, the transmission mechanism 6 includes a first transmission assembly 61, a second transmission assembly 62, and a third transmission assembly 63.

Referring to fig. 5 and 6, the first transmission assembly 61 is used for extending and shortening the horizontal telescopic bottom rod 41 and includes a driving wheel 611, a first driven wheel 612, a first driven shaft 613, a first pulley set 614 and a first rack 615.

Referring to fig. 4 and 5, the driving wheel 611 is disposed inside the horizontal telescopic bottom rod 41 and is fixedly connected to one end of the steering rod 52 far away from the steering wheel 51, and the driving wheel 611 and the steering rod 52 are coaxially disposed.

Referring to fig. 4 and 5, the first driven wheel 612 is disposed inside the horizontal telescopic rod 41 and engaged with the driving wheel 611, and has an axial direction same as a length direction of the horizontal telescopic rod.

Referring to fig. 4 and 5, the first driven shaft 613 is disposed inside the horizontal telescopic bottom rod 41 and coaxially disposed with the first driven wheel 612, the first driven shaft 613 is rotatably connected to the horizontal telescopic bottom rod 41 through a bearing, and the first driven wheel 612 is fixedly disposed through the center of the first driven shaft 613.

Referring to fig. 5 and 7, two first driving wheels 616 are disposed at two ends of the first driven shaft 613, and the first driving wheels 616 and the first driven shaft 613 are coaxially disposed and fixedly connected.

Referring to fig. 5 and 7, two first pulley sets 614 are also provided and respectively located at two ends of the first driven shaft 613, and the first pulley sets 614 are engaged with the first driving wheel 616 and rotatably connected with the first horizontal support bottom rod.

Referring to fig. 6 and 7, two sets of first racks 615 are also provided and are respectively located at two ends of the horizontal telescopic rod, and the first racks 615 are the same as the horizontal telescopic bottom rod 41 in the length direction and are fixedly connected with the inside of the horizontal telescopic bottom rod 41.

Referring to fig. 6 and 7, the first pulley set 614 includes a first cone pulley 6141 set engaged with the first driving wheel 616 and a first straight pulley 6142 engaged with the first rack 615, and the first straight pulley 6142 is fixedly connected to the first cone pulley 6141.

When the steering rod 52 rotates, the driving wheel 611 can be driven to rotate, so as to drive the first driven wheel 612 to rotate, so as to drive the first driven shaft 613 to rotate, so as to drive the first driving wheel 616 to rotate, so as to drive the first cone belt wheel 6141 to rotate, so as to drive the first straight belt wheel 6142 to rotate, so as to drive the first rack bar 615 to move, so as to drive the extension and the shortening of the two ends of the horizontal telescopic rod.

Referring to fig. 1, the driving vertical telescopic rod 43 is disposed inside the first support column 13, and the top end thereof is always located outside the first support column 13 through the top opening of the first support column 13.

Referring to fig. 5 and 8, the second transmission assembly 62 includes a second driven wheel 621, a second driven shaft 622, a second transmission wheel 623, a second pulley group 624, and a second rack 625;

referring to fig. 5 and 6, the second driven wheel 621 is disposed inside the horizontal telescopic bottom rod 41 and engaged with the driving wheel 611, and the axial direction thereof is the same as the length direction of the driving vertical telescopic rod 43;

referring to fig. 5 and 6, the second driven shaft 622 is vertically disposed and is disposed inside the driving vertical telescopic rod 43 and coaxially disposed with the second driven wheel 621, the bottom end of the second driven shaft 622 is fixedly connected with the second driven wheel 621, and the second driven shaft 622 is rotatably connected with the inside of the driving vertical telescopic rod 43 through a bearing.

Referring to fig. 6 and 8, a second transmission wheel 623 is disposed at the top end of the second driven shaft 622 and is disposed coaxially with the second driven shaft 622, and the second transmission wheel 623 is fixedly connected to the second driven shaft 622.

Referring to fig. 6 and 8, the second pulley set 624 is disposed inside the driving vertical telescopic rod 43, and the axial direction thereof is perpendicular to the axial direction of the second driving wheel 623;

referring to fig. 6 and 8, the second rack 625 is disposed at the top end inside the driving vertical telescopic rod 43, and the length direction of the second rack 625 is the same as that of the driving vertical telescopic rod 43, and the second rack 625 is fixedly connected with the inner wall of the driving vertical telescopic rod 43.

Referring to fig. 6 and 8, the second pulley group 624 includes a second cone pulley 6241 engaged with the second transmission wheel 623 and having an axial direction perpendicular to the second transmission axial direction, and a second straight pulley 6242 engaged with the second rack 625, the second cone pulley 6241 being coaxially disposed and fixedly connected with the second straight pulley 6242.

When action wheel 611 rotates, can drive the second and rotate from driving wheel 621 to drive second driven shaft 622 and rotate, thereby drive second drive wheel 623 and rotate, thereby drive second bevel gear and rotate, thereby drive the rotation of second straight-teeth gear, thereby drive second rack 625 and remove in vertical direction, thereby drive the extension of initiative vertical telescopic link 43 and shorten.

Referring to fig. 1, the horizontal telescopic bottom rod 41 is a bidirectional telescopic rod and symmetrically disposed inside the first supporting top rod 12, the fixed portion of the horizontal telescopic top rod 42 is fixedly connected to the inner wall of the first supporting top rod 12, and both ends of the horizontal telescopic bottom rod are always located outside the openings at both ends of the first supporting top rod 12.

Referring to fig. 6 and 9, the third transmission assembly 63 is used for extending and shortening the horizontal telescopic ram 42, and includes a telescopic shaft 631, a third main driving wheel 632, a third auxiliary driven wheel 633, a third driven shaft 634, a third transmission wheel 635, a third pulley set 636 and a third rack 637.

Referring to fig. 9 and 10, the telescopic shaft 631 is vertically disposed and located in the driving vertical telescopic rod 43, the top end of the telescopic shaft 631 is rotatably connected to the top of the driving vertical telescopic rod 43 through a bearing, and the bottom end of the telescopic shaft 631 is fixedly connected to the top end of the second driven shaft 622 and is coaxially disposed with the second driven shaft 622.

Referring to fig. 9 and 10, the third main driven wheel 632 is disposed at the top end of the telescopic shaft 631 and coaxially disposed with the telescopic shaft 631, and the third main driven wheel 632 is fixedly connected to the top end of the telescopic shaft 631.

Referring to fig. 9 and 10, the third secondary driven pulley 633 is disposed inside the horizontal telescopic ram 42, and has an axial direction identical to a longitudinal direction of the horizontal telescopic ram 42, and the third secondary driven pulley 633 is engaged with the third main driving wheel.

Referring to fig. 9 and 10, the third driven shaft 634 is disposed inside the horizontal telescopic ejector rod 42 and coaxially disposed with the third driven wheel 633, the third driven shaft 634 is rotatably connected with the inner wall of the horizontal telescopic ejector rod 42 through a bearing, and the third driven wheel 633 is fixedly disposed at the center of the third driven shaft 634.

Referring to fig. 9 and 10, two third transmission wheels 635 are provided and are respectively located at two ends of the third driven shaft 634, and the third transmission wheels 635 are fixedly connected with and coaxially arranged with the third driven shaft 634.

Referring to fig. 9 and 10, the third pulley set 636 is also provided with two third transmission wheels 635 respectively engaged therewith, and has an axial direction perpendicular to the axial direction of the third transmission wheels 635.

Referring to fig. 9 and 10, the third rack 637 is provided with two sets of racks respectively located at two ends of the inside of the horizontal telescopic ejector rod 42, and the third rack 637 has the same length direction with the horizontal telescopic ejector rod 42 and is fixedly connected with the inside of the horizontal telescopic ejector rod 42.

Referring to fig. 9 and 10, the third pulley set 636 includes a third straight pulley 6362 engaged with a third cone pulley 6361 and a third rack 637 engaged with a third transmission wheel 635, and the third cone pulley 6361 is fixedly connected with the third straight pulley 6362.

When second driven shaft 622 rotates, can drive the telescopic shaft 631 and rotate, when initiative vertical telescopic link 43 extends and shortens, drive telescopic shaft 631 extension and shorten, telescopic shaft 631 rotates and drives third principal and subordinate driving wheel 632 and rotate, thereby drive the rotation of third secondary driven wheel 633, thereby drive third driven shaft 634 and rotate, thereby drive third drive wheel 635 and rotate, thereby drive third conical pulley 6361 and rotate, thereby drive the rotation of the straight band pulley 6362 of third, thereby drive third rack 637 and remove, thereby drive the extension and the shortening of the flexible ejector pin 42 of level.

Referring to fig. 1, the first driven vertical telescopic rod 44 is vertically disposed, and the top end of the first driven vertical telescopic rod is fixedly connected to the bottom center of the second supporting top rod 22, and the bottom end of the first driven vertical telescopic rod is fixedly connected to the top center of the second supporting bottom rod 21.

Referring to fig. 1 and 11, two second vertical connecting plates 32 are arranged and are respectively located at two ends of the horizontal telescopic ejector rod 42, the second vertical connecting plates 32 are vertically arranged and are perpendicular to the horizontal telescopic ejector rod 42, and the second vertical connecting plates 32 are fixedly connected with the end face of the horizontal telescopic ejector rod 42;

referring to fig. 1 and 11, the longitudinal section of the second vertical connecting plate 32 is rectangular, the length direction of the second vertical connecting plate is vertical, and a second horizontal connecting plate 37 is arranged on one side of the second vertical connecting plate 32 far away from the horizontal telescopic ejector rod 42 in a sliding manner along the vertical direction.

Referring to fig. 1 and 11, the second horizontal connecting plate 37 is horizontally disposed and rectangular, and a second positioning hole 371, which is circular and penetrates through the second connecting plate along the vertical direction, is formed in the second horizontal connecting plate 37.

Referring to fig. 1 and 11, a second horizontal connecting block 38 is disposed under the second horizontal connecting plate 37 and opposite to the second horizontal connecting plate 37, and the size of the cross section of the second horizontal connecting block 38 is the same as that of the second horizontal connecting plate 37.

Referring to fig. 1 and 11, one side of the second horizontal connecting block 38 close to the second vertical connecting plate 32 is fixedly connected to the second vertical connecting plate 32, a second positioning groove 381, the depth direction of which is vertical and is opposite to the second positioning hole 371, is formed in the top of the second horizontal connecting block 38, and the cross-sectional dimension of the second positioning groove 381 is the same as that of the second positioning hole 371.

Referring to fig. 1 and 11, the second positioning rod 34 is a two-way telescopic rod, the second positioning rod 34 is provided with two ends respectively located at the second supporting ejector 22, the second positioning rod 34 is vertically arranged, and a horizontally arranged second limiting telescopic rod 30 is fixedly connected between the second positioning rod 34 and the end surface of the second supporting ejector 22.

Referring to fig. 1 and 11, the length direction of the second limiting telescopic rod 30 is the same as the length direction of the second supporting mandril 22; the cross section of the second positioning rod 34 is circular, and the second positioning rod 34 can simultaneously penetrate through the second positioning hole 371 and the second positioning groove 381, and can rotate in the second positioning groove 381 along the axis direction thereof.

When connecting second supporting mechanism 2 and second supporting mechanism 2, after connecting first support bottom bar 11 and second support bottom bar 21, earlier with the vertical upwards slip of second horizontal connecting plate 37, then remove adjacent second locating lever 34 to between second horizontal connecting block 38 and the second horizontal connecting plate 37 through the spacing telescopic link 30 of second, insert second locating hole 371 with the top of second locating lever 34, insert second constant head tank 381 with the bottom of second locating lever 34, can accomplish the connection between horizontal telescopic ejector pin 42 and the second support ejector pin 22.

Referring to fig. 1, the first driven vertical telescopic rod 44 includes a first telescopic top rod 441 and a first telescopic bottom rod 442 which are vertically arranged, the top end of the first telescopic top rod 441 is fixedly connected with the second supporting top rod 22, and the bottom end of the first telescopic bottom rod 442 is fixedly connected with the second supporting bottom rod 21;

referring to fig. 1, the first telescopic bottom rod 442 is provided with a plurality of first limiting holes 4421 along the vertical direction, the first telescopic bottom rod 442 is provided with a first limiting groove 4411, and the first limiting groove 4411 and one of the first limiting holes 4421 are internally provided with a first limiting rod 7 in a penetrating manner.

Referring to fig. 1, the second driven vertical telescopic rods 45 are symmetrically disposed on two sides of the driving vertical telescopic rod 43, the second driven vertical telescopic rods 45 include a second telescopic top rod 451 and a second telescopic bottom rod 452, the top end of the second telescopic top rod 451 is fixedly connected to the first supporting top rod 12, and the bottom end of the second telescopic bottom rod 452 is fixedly connected to the first supporting bottom rod 11.

Referring to fig. 1, the second telescopic bottom rod 452 is provided with a plurality of second limiting holes 4521 along the vertical direction, the second telescopic bottom rod 452 is provided with a second limiting groove 4511, and the second limiting groove 4511 and one of the second limiting holes 4521 are internally provided with a second limiting rod 8 in a penetrating manner.

Referring to fig. 1, the third driven vertical telescopic rods 46 are symmetrically disposed at two sides of the first driven vertical telescopic rod 44, each third driven vertical telescopic rod 46 includes a third telescopic top rod 461 and a third telescopic bottom rod 462, the top end of the third telescopic top rod 461 is fixedly connected to the second support top rod 22, and the bottom end of the third telescopic bottom rod 462 is fixedly connected to the second support bottom rod 21.

Referring to fig. 1, the third bottom rod 462 is vertically provided with a plurality of third limiting holes 4621, the third bottom rod 462 is provided with a third limiting groove 4611, and the third limiting groove 4611 and one of the third limiting holes 4621 are internally provided with a third limiting rod 9.

When the driving vertical telescopic rod 43 is extended and shortened in the vertical direction, the first supporting ejector rod 12 can be driven to move in the vertical direction, so that the second supporting ejector rod 22 is driven to move in the vertical direction, and meanwhile, the second driven vertical telescopic rod 45 is driven to extend and shorten, and the second supporting ejector rod 22 moves in the vertical direction to drive the first driven vertical telescopic rod 44 and the third driven vertical telescopic rod 46 to move in the vertical direction.

When the telescopic rod moves to a fixed position, the first limiting rod 7 penetrates into the first limiting hole 4421 and the corresponding first limiting groove 4411, so that the height of the first driven vertical telescopic rod 44 can be limited, the second limiting rod 8 penetrates into the second limiting hole 4521 and the corresponding second limiting groove 4511, so that the height of the second driven vertical telescopic rod 45 can be limited, and the third limiting rod 9 penetrates into the third limiting hole 4621 and the corresponding third limiting groove 4611, so that the height of the third driven vertical telescopic rod 46 can be limited.

The implementation principle of the multi-arch foundation pit supporting device for the strip-shaped deep foundation pit is as follows: when the support mechanism is installed, the first support bottom rod 11 is fixed with a lower layer structure through the first inserting rod 14, and then the first support mechanism 1 can be fixed; then, the second supporting bottom rod 21 is fixed to the lower layer structure through the second inserting rod 23, and the second supporting mechanism 2 can be fixed.

When connecting first supporting mechanism 1 and second supporting mechanism 2, after installing first support sill bar 11 and second support sill bar 21, earlier with the vertical upwards slip of first horizontally connect board 35, then with adjacent first locating lever 33 through first spacing telescopic link 39 removal to between first horizontally connect board 36 and the first horizontally connect board 35, insert first locating hole 351 with the top of first locating lever 33, insert first constant head tank 361 with the bottom of first locating lever 33, can accomplish the connection between the flexible sill bar 41 of level and the second support sill bar 21.

After connecting first support bottom bar 11 and second support bottom bar 21, earlier with the vertical upwards slip of second horizontal connecting plate 37, then with adjacent second locating lever 34 through the spacing telescopic link 30 of second remove to between second horizontal connecting plate 38 and the second horizontal connecting plate 37, insert second locating hole 371 with the top of second locating lever 34, insert second constant head tank 381 with the bottom of second locating lever 34, can accomplish the connection between horizontal telescopic ejector pin 42 and the second support ejector pin 22.

When the steering rod 52 rotates, the driving wheel 611 can be driven to rotate, so as to drive the first driven wheel 612 to rotate, so as to drive the first driven shaft 613 to rotate, so as to drive the first driving wheel 616 to rotate, so as to drive the first cone pulley 6141 to rotate, so as to drive the first straight pulley 6142 to rotate, so as to drive the first rack 615 to move, so as to drive the extension and the shortening of the two ends of the horizontal telescopic rod.

When second driven shaft 622 rotates, can drive telescopic shaft 631 and rotate, when initiative vertical telescopic link 43 extends and shortens, drive telescopic shaft 631 extension and shortening, telescopic shaft 631 rotates and drives third principal and subordinate driving wheel 632 and rotate, thereby drive the rotation of third vice driven wheel 633, thereby drive third driven shaft 634 and rotate, thereby drive third drive wheel 635 and rotate, thereby drive third conical pulley 6361 and rotate, thereby drive the rotation of the straight band pulley 6362 of third, thereby drive the removal of third rack 637, thereby drive the extension and the shortening of horizontal telescopic ejector pin 42.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a long strip shaped deep foundation pit's even hunch formula foundation ditch supporting device which characterized in that: comprises a first supporting mechanism (1), a second supporting mechanism (2) and a connecting mechanism (3) for connecting the first supporting mechanism (1) and the second supporting mechanism (2);

the first supporting mechanism (1) comprises a first supporting bottom rod (11) which is horizontally arranged and a first supporting column (13) which is vertically arranged, the bottom end of the first supporting column (13) is fixedly connected with the center of the top of the first supporting bottom rod (11), and a plurality of first inserting rods (14) which are used for being fixed with a lower layer structure are fixedly arranged at the bottom of the first supporting bottom rod (11) along the length direction of the first supporting bottom rod;

the second supporting mechanism (2) comprises a second supporting bottom rod (21) which is horizontally arranged, and a plurality of second inserting rods (23) which are used for being fixed with the lower layer structure are fixedly arranged at the bottom of the second supporting bottom rod (21) along the length direction of the second supporting bottom rod;

the first supporting mechanism (1) and the second supporting mechanism (2) are uniformly provided with a plurality of groups along the length direction of the first supporting bottom rod (11);

the connecting mechanism (3) comprises a first vertical connecting plate (31) and a first positioning rod (33), the first vertical connecting plate (31) is arranged at two ends of the first supporting bottom rod (11) and is perpendicular to the first supporting bottom rod (11), and a first horizontal connecting plate (35) which is connected with the first vertical connecting plate (31) in a sliding manner in the vertical direction and is horizontally arranged is arranged on one side, away from the first supporting bottom rod (11), of the first vertical connecting plate (31);

a first horizontal connecting block (36) which is parallel to the first horizontal connecting plate (35) and is fixedly connected with the first vertical connecting plate (31) is arranged below the first horizontal connecting plate (35), a first positioning hole (351) is formed in the first horizontal connecting plate (35), and a first positioning groove (361) which is opposite to the first positioning hole (351) is formed in the first horizontal connecting block (36);

first locating lever (33) are the telescopic link, first locating lever (33) set up the both ends of second support bottom bar (21), first locating lever (33) vertical setting just can wear to establish first locating hole (351) with in first locating groove (361).

2. The multi-arch foundation pit supporting device for the long deep foundation pit as claimed in claim 1, wherein: the device is characterized by further comprising a driving mechanism (5), a transmission mechanism (6) and a telescopic mechanism (4), wherein the telescopic mechanism (4) is used for adjusting the width of the first supporting mechanism (1) along the horizontal direction and the height of the first supporting mechanism (1) along the vertical direction, and the driving mechanism (5) is used for driving the transmission mechanism (6) to drive the telescopic mechanism (4) to adjust the width and the height of the first supporting mechanism (1) under the operation of a worker;

the telescopic mechanism (4) comprises a horizontal telescopic bottom rod (41) and an active vertical telescopic rod (43), the horizontal telescopic bottom rod (41) is a bidirectional telescopic rod, the first supporting bottom rod (11) is of a structure which is hollow inside and has two open ends, the first supporting column (13) is also of a structure which is hollow inside and has both open top and bottom ends, the horizontal telescopic bottom rod (41) is arranged inside the first supporting bottom rod (11), and the active vertical telescopic rod (43) is arranged inside the first supporting column (13);

the driving mechanism (5) comprises a steering rod (52) and a steering wheel (51), the steering rod (52) is horizontally arranged, the length direction of the steering rod is vertical to the length direction of the first supporting bottom rod (11), one end of the steering rod (52) is rotatably connected with the center of one side of the first supporting bottom rod (11), the other end of the steering rod is fixedly connected with the steering wheel (51) and is coaxially arranged with the steering wheel (51), and the steering wheel (51) can rotate along the axis direction of the steering wheel under the driving of a worker;

drive mechanism (6) are including first drive assembly (61) and second drive assembly (62), first drive assembly (61) are used for driving under actuating mechanism's (5) effect the extension and the shortening of flexible sill bar (41) of level, second drive assembly (62) are used for driving under actuating mechanism's (5) effect the extension and the shortening of the vertical telescopic link of initiative (43).

3. The multi-arch foundation pit supporting device for the long-strip-shaped deep foundation pit, according to claim 2, wherein: the first transmission assembly (61) comprises a driving wheel (611), a first driven wheel (612), a first driven shaft (613), a first transmission wheel (616), a first pulley set (614) and a first rack (615);

the horizontal telescopic bottom rod (41) and the driving vertical telescopic rod (43) are both of an internal hollow structure;

the driving wheel (611) is arranged in the horizontal telescopic bottom rod (41) and is fixedly connected with one end, far away from the steering wheel (51), of the steering rod (52), and when the steering rod (52) rotates, the driving wheel (611) can be driven to rotate;

the first driven wheel (612) is arranged inside the horizontal telescopic bottom rod (41) and meshed with the driving wheel (611), the axial direction of the first driven wheel is the same as the length direction of the horizontal telescopic bottom rod (41), and the first driven wheel (612) can be driven to rotate when the driving wheel (611) rotates;

the first driven shaft (613) is arranged inside the horizontal telescopic bottom rod (41) and is coaxially arranged with the first driven wheel (612), the first driven wheel (612) is fixedly arranged at the center of the first driven shaft (613) in a penetrating manner, and when the first driven wheel (612) rotates, the first driven shaft (613) can be driven to rotate;

the first driving wheel (616) is provided with two ends which are respectively positioned at the first driven shaft (613), the first driving wheel (616) and the first driven shaft (613) are coaxially arranged and fixedly connected, and when the first driven shaft (613) rotates, the first driving wheel (616) can be driven to rotate;

the first belt wheel set (614) is also provided with two belt wheel sets which are respectively meshed with the two first driving wheels (616), the axis direction of the two belt wheel sets is vertical to the axis direction of the first driving wheels (616), and when the first driving wheels (616) rotate, the first belt wheel set (614) can be driven to rotate;

first rack (615) are provided with two sets ofly and are located respectively the inside both ends of flexible sill bar of level (41), first rack (615) with the length direction of the flexible sill bar of level (41) the same and with the inner wall fixed connection of the flexible sill bar of level (41), first rack (615) with first band pulley group (614) meshing, work as when first band pulley group (614) rotate, can drive first rack (615) remove, thereby can drive the flexible sill bar of level (41) extension or shorten.

4. The multi-arch foundation pit supporting device for the long-strip-shaped deep foundation pit, according to claim 3, wherein: the second transmission assembly (62) comprises a second driven wheel (621), a second driven shaft (622), a second transmission wheel (623), a second belt wheel set (624) and a second rack (625);

the second driven wheel (621) is arranged in the horizontal telescopic bottom rod (41) and meshed with the driving wheel (611), the axial direction of the second driven wheel is the same as the length direction of the driving vertical telescopic rod (43), and the second driven wheel (621) can be driven to rotate when the driving wheel (611) rotates;

the second driven shaft (622) is arranged in the driving vertical telescopic rod (43) and is coaxial with the second driven wheel (621), the second driven wheel (621) is fixedly connected with the bottom end of the second driven shaft (622), and when the second driven wheel (621) rotates, the second driven shaft (622) can be driven to rotate;

the second driving wheel (623) is arranged at the top end of the second driven shaft (622) and is coaxial with the second driven shaft (622), and when the second driven shaft (622) rotates, the second driving wheel (623) can be driven to rotate;

the second belt pulley set (624) is arranged in the driving vertical telescopic rod (43), the axis direction of the second belt pulley set is perpendicular to the axis direction of the second driving wheel (623), and the second belt pulley set (624) can be driven to rotate when the second driving wheel (623) rotates;

the second rack (625) set up in the inside top of the vertical telescopic link of initiative (43), and its length direction with the length direction of the vertical telescopic link of initiative (43) the same and with the inner wall fixed connection of the vertical telescopic link of initiative (43), second rack (625) with second band pulley group (624) meshing, when second band pulley group (624) rotate, can drive second rack (625) remove to can drive the vertical telescopic link of initiative (43) extension or shorten.

5. The multi-arch foundation pit supporting device for the long-strip-shaped deep foundation pit, according to claim 4, is characterized in that: the first supporting mechanism (1) further comprises a first supporting ejector rod (12), the telescopic mechanism (4) further comprises a horizontal telescopic ejector rod (42), and the transmission mechanism (6) further comprises a third transmission assembly (63);

the first supporting ejector rod (12) and the first supporting bottom rod (11) are arranged in parallel, the horizontal telescopic ejector rod (42) is arranged inside the first supporting ejector rod (12), and the center of the bottom of the horizontal telescopic ejector rod (42) is fixedly connected with the top end of the driving vertical telescopic rod (43);

the third transmission assembly (63) comprises a telescopic shaft (631), a third main driving wheel (632), a third auxiliary driven wheel (633), a third driven shaft (634), a third transmission wheel (635), a third belt wheel set (636) and a third rack (637);

the telescopic shaft (631) is vertically arranged in the driving vertical telescopic rod (43), the bottom end of the telescopic shaft is fixedly connected with the top end of the second driven shaft (622), and the top end of the telescopic shaft (631) is positioned in the horizontal telescopic ejector rod (42);

the third main driving wheel (632) is arranged in the horizontal telescopic ejector rod (42) and is fixedly connected with the top end of the telescopic shaft (631), and the axial direction of the third main driving wheel is the same as that of the telescopic shaft (631);

the third auxiliary driven wheel (633) is also arranged in the horizontal telescopic ejector rod (42) and is meshed with the third main driving wheel (632), and the axial direction of the third auxiliary driven wheel is the same as the length direction of the horizontal telescopic ejector rod (42);

the third driven shaft (634) is also arranged in the horizontal telescopic ejector rod (42) and is coaxially arranged with the third driven wheel (633), and the third driven wheel (633) is fixedly arranged at the center of the third driven shaft (634) in a penetrating way;

the third transmission wheels (635) are arranged at two ends of the third driven shaft (634), and the third transmission wheels (635) and the third driven shaft (634) are coaxially arranged and fixedly connected;

the third belt wheel set (636) is also provided with two belt wheel sets which are respectively meshed with the two third driving wheels (635), and the axial direction of the two belt wheel sets is vertical to the axial direction of the third driving wheels (635);

the third rack (637) is provided with two sets of and is located respectively the inside both ends of horizontal flexible ejector pin (42), third rack (637) with the length direction of horizontal flexible ejector pin (42) is the same and with horizontal flexible ejector pin (42) inner wall fixed connection, third rack (637) with third band pulley group (636) meshing.

6. The multi-arch foundation pit supporting device for the long strip-shaped deep foundation pit as claimed in claim 5, wherein: the second supporting mechanism (2) further comprises a second supporting top rod (22), and the second supporting top rod (22) and the second supporting bottom rod (21) are arranged in a manner of being opposite to each other in the vertical direction;

the telescopic mechanism (4) further comprises a first driven vertical telescopic rod (44), and the first driven vertical telescopic rod (44) is arranged between the second supporting top rod (22) and the second supporting bottom rod (21);

the connecting mechanism (3) further comprises a second vertical connecting plate (32) and a second positioning rod (34), the second vertical connecting plate (32) is arranged at two ends of the horizontal telescopic ejector rod (42) and is perpendicular to the horizontal telescopic ejector rod (42), and a second horizontal connecting plate (37) which is connected with the second vertical connecting plate (32) in a sliding mode in the vertical direction and is arranged horizontally is arranged on one side, away from the horizontal telescopic ejector rod (42), of the second vertical connecting plate (32);

a second horizontal connecting block (38) which is parallel to the second horizontal connecting plate (37) and is fixedly connected with the second vertical connecting plate (32) is arranged below the second horizontal connecting plate (37), a second positioning hole (371) is formed in the second horizontal connecting plate (37), and a second positioning groove (381) which is opposite to the second positioning hole (371) is formed in the second horizontal connecting block (38);

the second positioning rod (34) is a telescopic rod and is vertically arranged, the second positioning rod (34) is arranged at two ends of the second supporting ejector rod (22), a horizontally arranged second limiting telescopic rod (30) is connected between the second positioning rod (34) and the second supporting ejector rod (22), and the second positioning rod (34) can penetrate through the second positioning hole (371) and the second positioning groove (381);

the first driven vertical telescopic rod (44) comprises a first telescopic ejector rod (441) and a first telescopic bottom rod (442), wherein the first telescopic bottom rod (442) is provided with a plurality of first limiting holes (4421) along the vertical direction, the first telescopic ejector rod (441) is provided with a first limiting groove (4411), and the first limiting groove (4411) and one of the first limiting holes (4421) are internally provided with a first limiting rod (7) in a penetrating manner.

7. The multi-arch foundation pit supporting device for the long-strip-shaped deep foundation pit as claimed in claim 6, wherein: the telescopic mechanism (4) further comprises a second driven vertical telescopic rod (45);

two groups of second driven vertical telescopic rods (45) are symmetrically arranged on two sides of the driving vertical telescopic rod (43), the top ends of the second driven vertical telescopic rods (45) are fixedly connected with the first supporting top rod (12), and the bottom ends of the second driven vertical telescopic rods (45) are fixedly connected with the first supporting bottom rod (11);

the driven vertical telescopic rod (45) of second includes flexible ejector pin (451) of second and flexible sill bar (452) of second, the spacing hole of a plurality of second (4521) has been seted up along vertical direction in flexible sill bar (452) of second, second spacing groove (4511) have been seted up on the flexible ejector pin (451) of second, second spacing groove (4511) and one of them wear to be equipped with second gag lever post (8) in the spacing hole of second (4521).

8. The multi-arch foundation pit supporting device for the long deep foundation pit according to claim 7, wherein: the telescoping mechanism (4) further comprises a third driven vertical telescoping rod (46);

two groups of third driven vertical telescopic rods (46) are symmetrically arranged at two sides of the first driven vertical telescopic rod (44), the top ends of the third driven vertical telescopic rods (46) are fixedly connected with the second supporting top rod (22), and the bottom ends of the third driven vertical telescopic rods are fixedly connected with the second supporting bottom rod (21);

the third driven vertical telescopic rod (46) comprises a third telescopic top rod (461) and a third telescopic bottom rod (462), a plurality of third limiting holes (4621) are formed in the third telescopic bottom rod (462) along the vertical direction, a third limiting groove (4611) is formed in the third telescopic top rod (461), and a third limiting rod (9) penetrates through the third limiting groove (4611) and one of the third limiting holes (4621).