CN115404878B

CN115404878B - Multi-arch foundation pit supporting device for strip-shaped deep foundation pit

Info

Publication number: CN115404878B
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: 2023-07-04
Anticipated expiration: 2042-09-26
Also published as: CN115404878A

Abstract

The application relates to a multi-arch foundation pit supporting device of rectangular shape deep basal pit relates to the field of construction, it includes first supporting mechanism, second supporting mechanism and is used for connecting first supporting mechanism and second supporting mechanism's coupling mechanism, wherein, coupling mechanism includes first vertical connecting plate and first locating lever, first vertical connecting plate sets up the both ends at first supporting mechanism, one side that first vertical connecting plate kept away from first supporting mechanism is provided with along vertical direction and first vertical connecting plate sliding connection and the first horizontal connecting plate that the level set up, 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 constant head tank has been seted up on the first horizontal connecting block, be provided with on the second supporting component and wear to establish the first locating lever in first locating hole and first constant head tank. The defect that traditional supporting construction is higher in the operation degree of difficulty when the concatenation has been improved to this application.

Description

Multi-arch foundation pit supporting device for strip-shaped 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 strip-shaped deep foundation pit.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. The foundation pit support is used for ensuring the safety of underground structure construction and the surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment. In the construction process of buildings such as subway stations, a long foundation pit needs to be excavated.

In the existing foundation pit supporting technology, a baffle or a bracket is generally adopted to support a foundation pit, and in the long-strip-shaped deep foundation pit supporting, the baffle and the bracket are generally connected with each other in a bolt fixing mode to realize the splicing of a plurality of groups of baffles and brackets.

When the concatenation, need a plurality of workman mutually support baffle and support and foundation ditch wall alignment to repeat 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 overcome the defect that a splicing mode of a supporting structure is complex in a traditional long-strip-shaped deep foundation pit supporting technology, the application provides a multi-arch foundation pit supporting device for a long-strip-shaped deep foundation pit.

The application provides a multi-arch foundation pit supporting device of rectangular shape deep foundation pit adopts following technical scheme:

A multi-arch foundation pit supporting device of a 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 supporting mechanism comprises a first supporting bottom rod which is horizontally arranged and a first supporting column which is vertically arranged, the bottom end of the first supporting column is fixedly connected with the center of the top of the first supporting bottom rod, and a plurality of first inserting rods which are used for being fixed with the lower layer structure are fixedly arranged at the bottom of the first supporting bottom rod along the length direction of the first supporting 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 lower layer 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 mutually 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 manner along the vertical direction and is horizontally arranged is arranged at one side of the first vertical connecting plate away from the first supporting bottom rod;

A first horizontal connecting block which is parallel to the first horizontal connecting plate and 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 be penetrated in 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, and the connecting mode is simple and convenient to operate, so that the convenience of splicing the supporting structure is improved, and the defect that the splicing mode is complex in the traditional long-strip-shaped deep foundation pit construction is overcome;

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

the first supporting bottom rod and the first inserting rod are arranged, and the first supporting bottom rod can 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 be through the second inserted bar with the second support sill bar peg graft in the understructure, has strengthened the stability of second support sill bar.

The first horizontal connecting plates and the first horizontal connecting blocks can be arranged at one end, far away from the first supporting bottom rod, of the first vertical connecting plates by arranging the first vertical connecting plates at two ends of the first supporting bottom rod;

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 plate, a first positioning groove which is opposite to the first positioning hole can be formed in the first horizontal connecting plate;

the first positioning rods are arranged at the two ends of the second supporting bottom rod, and 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;

through sliding the first horizontal connecting plate along the vertical direction, when the first supporting bottom rod and the second supporting bottom rod are connected, the first horizontal connecting plate can be moved vertically 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 with the first positioning hole, and the bottom end of the first positioning rod is aligned with 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 is arranged in the first positioning hole in a penetrating way, so that the connection between the first supporting mechanism and the second supporting mechanism can be completed;

Simultaneously, first locating lever 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 foundation ditch changes the angle, further improved the convenience of concatenation, improved strutting arrangement'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 bottom rod, the horizontal telescopic bottom rod is a bidirectional telescopic bottom rod, the first supporting bottom rod is of a structure with hollow inside and open at two ends, the first supporting column is also of a structure with hollow inside and open at the top end and the bottom end, the horizontal telescopic bottom rod is arranged inside the first supporting bottom rod, and the active vertical telescopic bottom 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 the length direction of the first supporting bottom rod, one end of the rotating rod is rotationally 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 a worker;

the transmission mechanism comprises a first transmission assembly and a second transmission assembly, the first transmission assembly is used for driving the extension and shortening of the horizontal telescopic bottom rod under the action of the driving mechanism, and the second transmission assembly is used for driving the extension and shortening of the active vertical telescopic bottom rod under the action of the driving mechanism.

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;

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

the power of the driving mechanism can be transmitted to the telescopic mechanism through the arrangement of the transmission 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 active vertical telescopic rod, the height of the first supporting mechanism in the vertical direction can be adjusted through the active vertical telescopic rod;

through the arrangement of the rotating rod and the steering wheel, power can be transmitted to the rotating rod through rotating the steering wheel by a worker, 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 active vertical telescopic rod through the second transmission assembly; through the arrangement of the structure, the height and the width of the first supporting component can be adjusted, and the functionality of the first supporting component is enhanced.

Optionally, the first transmission assembly comprises a driving wheel, a first driven shaft, a first transmission wheel, a first belt pulley group and a first rack;

the horizontal telescopic bottom rod and the active vertical telescopic rod are of hollow structures;

the driving wheel is arranged in the horizontal telescopic bottom rod and is fixedly connected with one end, far away from the steering wheel, of the steering rod, 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 coaxially arranged with the first driven wheel, the first driven wheel is fixedly arranged in 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 driving wheels which are respectively positioned at two ends of the first driven shaft, and the first driving wheel and the first driven shaft are coaxially arranged and fixedly connected, so that the first driving wheel can be driven to rotate when the first driven shaft rotates;

the first belt pulley groups are also provided with two first driving wheels which are respectively meshed with the two first driving wheels, the axial direction of the first belt pulley groups is perpendicular to the axial direction of the first driving wheels, and the first belt pulley groups can be driven to rotate when the first driving wheels rotate;

the first rack is provided with two sets of and is located respectively the inside both ends of horizontal flexible sill bar, first rack with the length direction of horizontal flexible sill bar is the same and with the inner wall fixed connection of horizontal flexible sill bar, first rack with first belt pulley group meshing can drive when first belt pulley group rotates first rack removes, thereby can drive horizontal flexible sill bar extension or shorten.

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 setting the horizontal telescopic bottom rod and the active vertical telescopic rod to be hollow structures in the interior, other components can be arranged in the horizontal telescopic bottom rod and the active 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 by 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 through 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 is fixedly connected with the first driven shaft, so that the first driving wheel can be driven to rotate through rotation of the first driven shaft;

by arranging the first belt pulley group meshed with the first driving wheel, the first belt pulley group can be driven to rotate through the rotation of the first driving wheel;

by arranging the first rack meshed with the first belt pulley group, the first rack can be driven to move by the rotation of the first belt pulley group; through the arrangement of the two groups of first racks, the two groups of first racks are respectively and fixedly connected with the two ends of the horizontal telescopic bottom rod, and the two ends of the horizontal telescopic bottom rod can be driven to extend and shorten through 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 comprises a second driven wheel, a second driven shaft, a second driving wheel, a second belt wheel group 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 inside the driving vertical telescopic rod and is coaxially arranged 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 shaft can be driven to rotate when the second driven wheel rotates;

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

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

The second rack is arranged at the top end of the inside of 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 pulley group, and when the second pulley group 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, by arranging a second driven wheel meshed with the driving wheel, the second driven wheel can be driven to rotate by the driving wheel;

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

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

Through the arrangement of the second rack meshed with the second belt pulley group, the second rack can be driven to move through the rotation of the second belt pulley group; the second rack is fixedly connected with the top end of the active vertical telescopic rod, so that the top end of the active vertical telescopic rod can be driven to rise and fall through 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 lifting 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 comprises a first supporting ejector rod, the telescopic mechanism further comprises a horizontal telescopic ejector rod, and the transmission mechanism further comprises a third transmission assembly;

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

the third transmission assembly comprises a telescopic shaft, a third driving and driven wheel, a third auxiliary driven wheel, a third driven shaft, a third transmission wheel, a third belt wheel group 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 wheel and the third driven wheel are arranged in the horizontal telescopic ejector rod and are fixedly connected with the top end of the telescopic shaft, and the axial direction of the third driving wheel and the axial direction of the telescopic shaft are the same;

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

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

the third belt pulley groups are also provided with two and meshed with the two third driving wheels respectively, and the axial direction of the third belt pulley groups is perpendicular to the axial direction of the third driving wheels;

the third racks are provided with two groups and are respectively positioned at two ends of the inside of the horizontal telescopic ejector rod, the third racks are identical to the horizontal telescopic ejector rod in length direction and fixedly connected with the inner wall of the horizontal telescopic ejector rod, and the third racks are meshed with the third belt wheel 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;

specifically, by the arrangement of the first support ejector rod, the stability of the first support mechanism can be enhanced;

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;

through setting up the flexible axle fixedly connected with second driven shaft, can drive the rotation of flexible axle through the rotation of second driven shaft; the third driving wheel and the second driving wheel are fixedly connected with the telescopic shaft, so that the rotation of the telescopic shaft can drive the rotation of the third driving wheel and the second driving wheel;

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

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

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

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

through the arrangement of the third rack meshed with the third belt pulley group, the third rack can be driven to move through the rotation of the third belt pulley group; through the arrangement of the two groups of third racks, the two groups of third racks are respectively and fixedly connected with the two ends of the horizontal telescopic ejector rod, and the two ends of the horizontal telescopic ejector rod can be driven to extend and shorten through the movement of the third racks;

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 supporting mechanism further comprises a second supporting ejector rod, and the second supporting ejector rod and the second supporting bottom rod are arranged 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 ejector 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 mutually 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 manner along the vertical direction and is horizontally arranged is arranged at one side of the second vertical connecting plate away from the horizontal telescopic ejector rod;

A second horizontal connecting block which is parallel to the second horizontal connecting plate and 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 rods are telescopic rods and are vertically arranged, the second positioning rods are arranged at two ends of the second supporting ejector rods, a second limiting telescopic rod which is horizontally arranged is connected between the second positioning rods and the second supporting ejector rods, and the second positioning rods can penetrate through the second positioning holes and the second positioning grooves;

the first driven vertical telescopic rod comprises a first telescopic ejector rod and a first telescopic bottom rod, a plurality of first limiting holes are formed in the first telescopic bottom rod along the vertical direction, first limiting grooves are formed in the first telescopic ejector rod, and first limiting rods penetrate through the first limiting grooves and one of the first limiting holes.

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

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

The second horizontal connecting plates and the second horizontal connecting blocks can be arranged on one side, far away from the horizontal telescopic ejector rod, of the second vertical connecting plates by arranging the second vertical connecting plates at two ends of the horizontal telescopic ejector rod;

the second horizontal connecting plate is provided with a second positioning hole, and the second horizontal connecting plate is provided with a second positioning groove opposite to the second positioning hole;

the second limiting telescopic rods and the second positioning rods are arranged at the two ends of the second supporting ejector rod, so that the distance between the second positioning rods and the second supporting ejector rod can be adjusted through the second limiting telescopic rods, and the horizontal telescopic ejector rod and the second supporting ejector rod can be connected with each other through the second positioning rods penetrating through the second positioning holes and the second positioning grooves;

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, the second locating rod is arranged between the second horizontal connecting plate and the second horizontal connecting block through the telescopic second limiting telescopic rod, the top end of the second locating rod is aligned with the second locating hole, and the bottom end of the second locating rod is aligned with the second locating 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 is arranged in the second positioning hole in a penetrating way, 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 along with the horizontal telescopic ejector rod in the vertical direction, so that the heights of the first supporting mechanism and the second supporting mechanism are kept consistent;

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

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

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

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

the second driven vertical telescopic rod comprises a second telescopic ejector rod and a second telescopic bottom rod, a plurality of second limiting holes are formed in the second telescopic bottom rod along the vertical direction, second limiting grooves are formed in the second telescopic ejector rod, and second limiting rods penetrate through the second limiting grooves and one of the second limiting holes.

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

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

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

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

the two groups of the third driven vertical telescopic rods are symmetrically arranged on two sides of the first driven vertical telescopic rod, the top end of the third driven vertical telescopic rod is fixedly connected with the second supporting ejector rod, and the bottom end of the 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, third limiting grooves are formed in the third telescopic ejector rod, and third limiting rods penetrate through the third limiting grooves 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 ejector rod and the third telescopic bottom rod, a third limiting groove can be formed in the third telescopic ejector rod, and a third limiting hole can be formed in the third telescopic bottom rod;

through seting up of third spacing hole and third spacing groove, can be through wearing to establish the third gag lever post in third spacing hole and third spacing groove simultaneously, the height of the vertical telescopic link of restriction third driven to the height of restriction second supporting mechanism, 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 positioning rod can be arranged in the first positioning hole and the first positioning groove in a penetrating way to connect the first supporting mechanism and the second supporting mechanism, the splicing mode does not need to use bolts, the operation is simple and convenient, the splicing efficiency is improved, the defect of complex traditional splicing mode is overcome, meanwhile, the angle between the first supporting mechanism and the second supporting mechanism can be adjusted, and the functionality of the 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 be under actuating mechanism's effect through the height of second drive assembly adjustment first supporting mechanism to this strutting arrangement's functionality has further been improved.

Drawings

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

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

FIG. 3 is a partially enlarged schematic illustration of portion B of FIG. 1;

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

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

FIG. 6 is a schematic cross-sectional view of a first support mechanism according to an embodiment of the present application from another perspective;

FIG. 7 is a partially enlarged schematic illustration of portion D of FIG. 4;

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

FIG. 9 is an enlarged partial schematic view of portion F of FIG. 6;

FIG. 10 is a partially enlarged schematic illustration of portion G of FIG. 4;

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

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

Detailed Description

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

The embodiment of the application discloses a multi-arch foundation pit supporting device for a strip-shaped deep foundation pit. Referring to fig. 1, a multi-arch foundation pit supporting device for a long-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 workers.

Referring to fig. 1, the first supporting mechanism 1 includes a first supporting bottom rod 11, a first supporting top rod 12 and a first supporting column 13, which are horizontally arranged, the first supporting bottom rod 11 is long-strip-shaped and rectangular in cross section, the first supporting top rod 12 and the first supporting bottom rod 11 are identical in size and are opposite to each other in the vertical direction, the first supporting top rod 12, the first supporting bottom rod 11 and the first supporting column 13 are of an internal hollow structure, the first supporting column 13 is vertically arranged, the bottom end of the first supporting column 13 is fixedly connected with the top center of the first supporting bottom rod 11, and the bottom end of the first supporting column 13 is communicated with the first supporting bottom rod 11 through a connecting part.

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

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

Referring to fig. 1, the bottom of the second supporting bottom rod 21 is fixedly provided with a plurality of second inserting rods 23 vertically arranged along the length direction thereof and used for being fixed with the lower mechanism, and the second supporting mechanism 2 is provided with a plurality of groups along the length direction of the second bottom rod.

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

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

Referring to fig. 1, the horizontal telescopic bottom rod 41 is a bidirectional telescopic rod and is symmetrically arranged inside the first supporting bottom rod 11, a fixed portion of the horizontal telescopic bottom rod 41 is fixedly connected with the 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 connection mechanism 3 includes a first vertical connection plate 31, a second vertical connection plate 32, a first positioning lever 33, and a second positioning lever 34;

referring to fig. 1 and 2, the first vertical connection plates 31 are provided with two and are respectively located at two ends of the horizontal telescopic bottom rod 41, the first vertical connection plates 31 are vertically arranged and are vertically arranged with the horizontal telescopic bottom rod 41, and the first vertical connection plates 31 are fixedly connected with the end surfaces of the horizontal telescopic bottom rod 41;

referring to fig. 1 and 2, the longitudinal section of the first vertical connection plate 31 is rectangular, and the length direction thereof is vertical, and a side of the first vertical connection plate 31 remote from the horizontal telescopic bottom bar 41 is provided with a first horizontal connection plate 35 slidably in the vertical direction.

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

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

Referring to fig. 1 and 2, a side of the first horizontal connection block 36, which is close to the first vertical connection plate 31, is fixedly connected with the first vertical connection plate 31, and a first positioning groove 361, which is vertically arranged in the depth direction and is opposite to the first positioning hole 351, is formed in the top of the first horizontal connection block 36, and the cross-sectional dimension of the first positioning groove 361 is the same as the cross-sectional dimension 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 first positioning rods and is respectively located at two ends of the second supporting bottom rod 21, the first positioning rod 33 is vertically arranged, and a first limiting telescopic rod 39 horizontally arranged is fixedly connected between the first positioning rod 33 and the end surface of the second supporting bottom rod 21.

Referring to fig. 1 and 2, the length direction of the first limit expansion link 39 is the same as the length direction of the second support base link 21; the first positioning rod 33 has a circular cross section, and the first positioning rod 33 can be simultaneously inserted into 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 the first support mechanism 1 and the second support mechanism 2 are connected, after the first support bottom rod 11 and the second support bottom rod 21 are installed, the first horizontal connecting plate 35 is firstly slid vertically upwards, then the adjacent first positioning rod 33 is moved between the first horizontal connecting block 36 and the first horizontal connecting plate 35 through the first limit telescopic rod 39, the top end of the first positioning rod 33 is inserted into the first positioning hole 351, and the bottom end of the first positioning rod 33 is inserted into the first positioning groove 361, so that the connection between the horizontal telescopic bottom rod 41 and the second support bottom rod 21 can be completed.

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

Referring to fig. 1 and 3, the steering rod 52 is horizontally disposed with its length direction being perpendicular to the length direction of the first support bottom rod 11, the steering rod 52 is rotatably connected to the center of one side of the first support bottom rod 11, and one end of the steering rod 52 is located at the center of the inside of the first support bottom rod 11.

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

In use, a worker can rotate the steering wheel 51 by rotating the rocker 53 by hand, thereby driving the steering rod 52 to rotate.

Referring to fig. 1, the horizontal telescopic bottom bar 41, the horizontal telescopic top bar 42 and the active vertical telescopic bar 43 are all hollow structures in the interior.

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 for driving the horizontal telescopic bottom bar 41 to extend and retract 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, a driving wheel 611 is disposed inside the horizontal telescopic bottom bar 41 and fixedly connected to one end of the steering bar 52 remote from the steering wheel 51, and the driving wheel 611 is disposed coaxially with the steering bar 52.

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

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

Referring to fig. 5 and 7, the first driving wheel 616 is provided with two driving wheels and is respectively located at two ends of the first driven shaft 613, and the first driving wheel 616 is coaxially disposed with and fixedly connected to the first driven shaft 613.

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

Referring to fig. 6 and 7, the first rack 615 is also provided with two sets and is respectively located at two inner ends of the horizontal telescopic rod, and the first rack 615 is identical to the horizontal telescopic bottom rod 41 in length direction and is 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 intermeshed with the first rack 615, and the first straight pulley 6142 is fixedly connected with 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 615 to move, and thus to drive the extension and shortening of the two ends of the horizontal telescopic rod.

Referring to fig. 1, the active vertical telescopic rod 43 is disposed inside the first support column 13, and its top end 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 driving wheel 623, a second pulley set 624, and a second rack 625;

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

referring to fig. 5 and 6, a second driven shaft 622 is vertically disposed inside the driving vertical telescopic rod 43 and coaxially disposed with the second driven wheel 621, a 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, the second driving wheel 623 is disposed at the top end of the second driven shaft 622 and coaxially disposed with the second driven shaft 622, and the second driving wheel 623 is fixedly connected with the second driven shaft 622.

Referring to fig. 6 and 8, the second pulley assembly 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 pulley 623;

Referring to fig. 6 and 8, the second rack 625 is disposed at the top end of the inside of the active vertical expansion link 43, and the length direction is the same as the length direction of the active vertical expansion link 43, and the second rack 625 is fixedly connected to the inner wall of the active vertical expansion link 43.

Referring to fig. 6 and 8, the second pulley group 624 includes a second conical pulley 6241 engaged with the second transmission pulley 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 conical pulley 6241 being coaxially disposed with and fixedly connected to the second straight pulley 6242.

When the driving wheel 611 rotates, the second driven wheel 621 can be driven to rotate, so as to drive the second driven shaft 622 to rotate, so as to drive the second driving wheel 623 to rotate, so as to drive the second bevel gear to rotate, so as to drive the second spur gear to rotate, so as to drive the second rack 625 to move in the vertical direction, and thus drive the extension and shortening of the driving vertical telescopic rod 43.

Referring to fig. 1, the horizontal telescopic bottom rod 41 is a bidirectional telescopic rod and is symmetrically arranged inside the first supporting ejector rod 12, a fixed part of the horizontal telescopic ejector rod 42 is fixedly connected with the inner wall of the first supporting ejector rod 12, and two ends of the horizontal telescopic bottom rod are always positioned outside openings at two ends of the first supporting ejector rod 12.

Referring to fig. 6 and 9, the third transmission assembly 63 is configured to extend and retract the horizontal telescopic ram 42, and includes a telescopic shaft 631, a third driving and driven wheel 632, a third driven wheel 633, a third driven shaft 634, a third transmission wheel 635, a third belt pulley set 636, and a third rack 637.

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

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

Referring to fig. 9 and 10, the third sub driven wheel 633 is provided inside the horizontal telescopic jack 42 with the same axial direction as the length direction of the horizontal telescopic jack 42, and the third sub driven wheel 633 is intermeshed with the third main driving wheel.

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

Referring to fig. 9 and 10, the third driving wheel 635 is provided with two and is respectively located at both ends of the third driven shaft 634, and the third driving wheel 635 is fixedly connected with the third driven shaft 634 and is coaxially disposed.

Referring to fig. 9 and 10, the third pulley set 636 is also provided with two and respectively engaged with the two third driving wheels 635, with the axial direction thereof being perpendicular to the axial direction of the third driving wheels 635.

Referring to fig. 9 and 10, the third rack 637 is provided with two sets of two ends respectively located inside the horizontal telescopic ram 42, and the third rack 637 is identical to the horizontal telescopic ram 42 in length direction and fixedly connected inside the horizontal telescopic ram 42.

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

When the second driven shaft 622 rotates, the telescopic shaft 631 can be driven to rotate, and when the active vertical telescopic rod 43 extends and shortens, the telescopic shaft 631 is driven to extend and shorten, the telescopic shaft 631 rotates to drive the third driving wheel 632 to rotate, thereby driving the third secondary driven wheel 633 to rotate, thereby driving the third driven shaft 634 to rotate, thereby driving the third driving wheel 635 to rotate, thereby driving the third cone pulley 6361 to rotate, thereby driving the third straight pulley 6362 to rotate, thereby driving the third rack 637 to move, thereby driving the extension and shortening of the horizontal telescopic ejector rod 42.

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

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

referring to fig. 1 and 11, the second vertical connection plate 32 has a rectangular longitudinal section and a vertical length direction, and a second horizontal connection plate 37 is provided on a side of the second vertical connection plate 32 away from the horizontal telescopic jack 42 in a sliding manner in the vertical direction.

Referring to fig. 1 and 11, the second horizontal connection plate 37 is horizontally disposed and rectangular, and the second horizontal connection plate 37 is provided with a second positioning hole 371 which is circular and penetrates the second connection plate in a vertical direction.

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

Referring to fig. 1 and 11, a side of the second horizontal connection block 38, which is close to the second vertical connection plate 32, is fixedly connected with the second vertical connection plate 32, and a second positioning groove 381, which is vertically arranged in the depth direction and is opposite to the second positioning hole 371, is formed in the top of the second horizontal connection block 38, and the cross section size of the second positioning groove 381 is the same as the cross section size of the second positioning hole 371.

Referring to fig. 1 and 11, the second positioning rod 34 is a bidirectional telescopic rod, two second positioning rods 34 are respectively arranged at two ends of the second supporting ejector rod 22, the second positioning rods 34 are vertically arranged, and a second limiting telescopic rod 30 horizontally arranged is fixedly connected between the second positioning rods 34 and the end faces of the second supporting ejector rod 22.

Referring to fig. 1 and 11, the length direction of the second limit expansion link 30 is the same as the length direction of the second support jack 22; the second positioning rod 34 has a circular cross section, and the second positioning rod 34 can be simultaneously inserted into 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 the second supporting mechanism 2 and the second supporting mechanism 2 are connected, after the first supporting bottom rod 11 and the second supporting bottom rod 21 are connected, the second horizontal connecting plate 37 is firstly slid vertically upwards, then the adjacent second positioning rod 34 is moved between the second horizontal connecting block 38 and the second horizontal connecting plate 37 through the second limit telescopic rod 30, the top end of the second positioning rod 34 is inserted into the second positioning hole 371, and the bottom end of the second positioning rod 34 is inserted into the second positioning groove 381, so that the connection between the horizontal telescopic ejector rod 42 and the second supporting ejector rod 22 can be completed.

Referring to fig. 1, the first driven vertical telescopic rod 44 includes a first telescopic ejector rod 441 and a first telescopic bottom rod 442 which are vertically arranged, the top end of the first telescopic ejector rod 441 is fixedly connected with the second supporting ejector 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 provided with two groups and are symmetrically arranged on two sides of the driving vertical telescopic rod 43, the second driven vertical telescopic rod 45 comprises a second telescopic ejector rod 451 and a second telescopic bottom rod 452, the top end of the second telescopic ejector rod 451 is fixedly connected with the first supporting ejector rod 12, and the bottom end of the second telescopic bottom rod 452 is fixedly connected with the first supporting bottom rod 11.

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

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

Referring to fig. 1, 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 bottom rod 462, and a third limiting rod 9 is arranged in the third limiting groove 4611 and one of the third limiting holes 4621 in a penetrating manner.

When the driving vertical telescopic rod 43 extends and shortens 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, 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 moving to the fixed position, the first limiting rod 7 penetrates into the first limiting hole 4421 and the corresponding first limiting groove 4411, 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, the height of the second driven vertical telescopic rod 45 can be limited, the third limiting rod 9 penetrates into the third limiting hole 4621 and the corresponding third limiting groove 4611, and 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 long-strip-shaped deep foundation pit is as follows: when the first support mechanism 1 is installed, the first support bottom rod 11 is fixed with the lower layer structure through the first inserted rod 14, and then the first support mechanism 1 is fixed; then the second supporting bottom rod 21 is fixed with the lower layer structure through the second inserting rod 23, and the fixing of the second supporting mechanism 2 can be completed.

After the first supporting bottom rod 11 and the second supporting bottom rod 21 are connected, the second horizontal connecting plate 37 is firstly slid vertically upwards, then the adjacent second positioning rod 34 is moved between the second horizontal connecting plate 37 and the second horizontal connecting plate 38 through the second limiting telescopic rod 30, the top end of the second positioning rod 34 is inserted into the second positioning hole 371, and the bottom end of the second positioning rod 34 is inserted into the second positioning groove 381, so that the connection between the horizontal telescopic ejector rod 42 and the second supporting ejector rod 22 can be completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a multi-arch formula foundation ditch strutting arrangement of rectangular shape deep basal pit 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 along the vertical direction and is horizontally arranged is arranged at one side of the first vertical connecting plate (31) away from the first supporting bottom rod (11);

A first horizontal connecting block (36) which is parallel to the first horizontal connecting plate (35) and fixedly connected with the first vertical connecting plate (31) is arranged below the first horizontal connecting plate, 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);

the first positioning rod (33) is a telescopic rod, the first positioning rod (33) is arranged at two ends of the second supporting bottom rod (21), and the first positioning rod (33) is vertically arranged and can be penetrated in the first positioning hole (351) and the first positioning groove (361);

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 telescopic mechanism (4) along the vertical direction, and the driving mechanism (5) is used for driving the driving 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 a driving 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 with hollow inside and open at two ends, the first supporting column (13) is also of a structure with hollow inside and open at the top end and the bottom end, the horizontal telescopic bottom rod (41) is arranged inside the first supporting bottom rod (11), and the driving 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 perpendicular to the length direction of the first supporting bottom rod (11), one end of the steering rod (52) is rotationally 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;

the transmission mechanism (6) comprises a first transmission assembly (61) and a second transmission assembly (62), the first transmission assembly (61) is used for driving the horizontal telescopic bottom rod (41) to extend and shorten under the action of the driving mechanism (5), and the second transmission assembly (62) is used for driving the active vertical telescopic bottom rod (43) to extend and shorten under the action of the driving mechanism (5);

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 group (614) and a first rack (615);

the horizontal telescopic bottom rod (41) and the active vertical telescopic rod (43) are of hollow structures;

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

The first driven wheel (612) is arranged in the horizontal telescopic bottom rod (41) and is meshed with the driving wheel (611), the axial direction of the first driven wheel (612) 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 shaft (612), the first driven shaft (612) is fixedly arranged in the center of the first driven shaft (613) in a penetrating mode, and when the first driven shaft (612) rotates, the first driven shaft (613) can be driven to rotate;

the first driving wheel (616) is provided with two driving wheels which are respectively positioned at two ends of 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 pulley group (614) is also provided with two first driving wheels (616) which are respectively meshed with the two first driving wheels (616), the axial direction of the first pulley group is perpendicular to the axial direction of the first driving wheels (616), and the first pulley group (614) can be driven to rotate when the first driving wheels (616) rotate;

The first racks (615) are provided with two groups and are respectively positioned at two ends inside the horizontal telescopic bottom rod (41), the first racks (615) are identical to the horizontal telescopic bottom rod (41) in length direction and are fixedly connected with the inner wall of the horizontal telescopic bottom rod (41), the first racks (615) are meshed with the first belt pulley group (614), and when the first belt pulley group (614) rotates, the first racks (615) can be driven to move, so that the horizontal telescopic bottom rod (41) can be driven to stretch or shorten;

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 (621) 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 inside the driving vertical telescopic rod (43) and is coaxially arranged 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 the second driven shaft (622) can be driven to rotate when the second driven wheel (621) rotates;

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

the second belt pulley group (624) is arranged in the driving vertical telescopic rod (43), the axial direction of the second belt pulley group is perpendicular to the axial direction of the second driving wheel (623), and the second belt pulley group (624) can be driven to rotate when the second driving wheel (623) rotates; the second rack (625) is arranged at the top end inside the driving vertical telescopic rod (43), the length direction of the second rack is the same as the length direction of the driving vertical telescopic rod (43) and is fixedly connected with the inner wall of the driving vertical telescopic rod (43), the second rack (625) is meshed with the second belt pulley set (624), and when the second belt pulley set (624) rotates, the second rack (625) can be driven to move, so that the driving vertical telescopic rod (43) can be driven to stretch or shorten;

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 bottom center of the horizontal telescopic ejector rod (42) is fixedly connected with the top end of the active vertical telescopic rod (43);

the third transmission assembly (63) comprises a telescopic shaft (631), a third driving and driven wheel (632), a third auxiliary driven wheel (633), a third driven shaft (634), a third transmission wheel (635), a third belt wheel group (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 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 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 auxiliary driven wheel (633), and the third auxiliary driven wheel (633) is fixedly arranged at the center of the third driven shaft (634) in a penetrating way;

The third driving wheel (635) is provided with two driving wheels and is respectively positioned at two ends of the third driven shaft (634), and the third driving wheel (635) and the third driven shaft (634) are coaxially arranged and fixedly connected;

the third belt wheel group (636) is also provided with two and is respectively meshed with the two third driving wheels (635), and the axial direction of the third belt wheel group is perpendicular to the axial direction of the third driving wheels (635);

the third racks (637) are provided with two groups and are respectively positioned at two ends of the inside of the horizontal telescopic ejector rod (42), the third racks (637) are the same as the horizontal telescopic ejector rod (42) in length direction and are fixedly connected with the inner wall of the horizontal telescopic ejector rod (42), and the third racks (637) are meshed with the third belt wheel group (636);

the second supporting mechanism (2) further comprises a second supporting ejector rod (22), and the second supporting ejector rod (22) and the second supporting bottom rod (21) are arranged 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 ejector 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 mutually 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 manner along the vertical direction and is horizontally arranged is arranged at one side of the second vertical connecting plate (32) away from the horizontal telescopic ejector rod (42);

A second horizontal connecting block (38) which is parallel to the second horizontal connecting plate (37) and fixedly connected with the second vertical connecting plate (32) is arranged below the second horizontal connecting plate, 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) and is connected with a second limiting telescopic rod (30) which is horizontally arranged between the second positioning rod and the second supporting ejector rod (22), and the second positioning rod (34) can be arranged in the second positioning hole (371) and the second positioning groove (381) in a penetrating mode;

the first driven vertical telescopic rod (44) comprises a first telescopic ejector rod (441) and a first telescopic bottom rod (442), a plurality of first limiting holes (4421) are formed in the first telescopic bottom rod (442) along the vertical direction, a first limiting groove (4411) is formed in the first telescopic ejector rod (441), and a first limiting rod (7) is arranged in the first limiting groove (4411) and one of the first limiting holes (4421) in a penetrating mode; the telescopic mechanism (4) further comprises a second driven vertical telescopic rod (45);

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

the second driven vertical telescopic rod (45) comprises a second telescopic ejector rod (451) and a second telescopic bottom rod (452), a plurality of second limiting holes (4521) are formed in the second telescopic bottom rod (452) along the vertical direction, a second limiting groove (4511) is formed in the second telescopic ejector rod (451), and a second limiting rod (8) is arranged in the second limiting groove (4511) and one of the second limiting holes (4521) in a penetrating mode; the telescopic mechanism (4) further comprises a third driven vertical telescopic rod (46);

the third driven vertical telescopic rods (46) are arranged in two groups and symmetrically arranged on 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 ejector rods (22), and the bottom ends of the third driven vertical telescopic rods are fixedly connected with the second supporting bottom rods (21);

the third driven vertical telescopic rod (46) comprises a third telescopic ejector 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, third limiting grooves (4611) are formed in the third telescopic ejector rod (461), and third limiting rods (9) are arranged in the third limiting grooves (4611) and one of the third limiting holes (4621) in a penetrating mode.