CN113356227A

CN113356227A - High-strength building foundation pit supporting mechanism

Info

Publication number: CN113356227A
Application number: CN202110677139.XA
Authority: CN
Inventors: 赵贺超; 沈川; 韩城
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-09-07

Abstract

The invention discloses a high-strength building foundation pit supporting mechanism which comprises a foundation pit body, wherein a plurality of groups of bottom plates are detachably arranged at the bottom end of the foundation pit body, a supporting and protecting plate is rotatably arranged at the upper end of one side of each bottom plate, one side of each supporting and protecting plate can be contacted with the side wall of the foundation pit body, and a clamping block is detachably arranged between adjacent supporting and protecting plates; when first movable block moved to the top, the user can continue to rotate first runner, thereby it rotates to drive a backplate, one side until a backplate closely laminates on the inner chamber lateral wall of foundation ditch body, then the user can insert the multiunit fixture block in proper order and establish between adjacent two sets of backplate, thereby the secondary location of a backplate has been realized, later the user can drop into proper amount cement and water source etc. and make its intensive mixing in proper order to the multiunit framework, and then can increase the weight of framework, thereby can exert a driving force to a backplate through the strut pole, and then can effectively improve the support intensity of a backplate.

Description

High-strength building foundation pit supporting mechanism

Technical Field

The invention relates to the technical field of building construction, in particular to a high-strength building foundation pit supporting mechanism.

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. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

In order to ensure the safety of underground structure construction and foundation pit surrounding environment, a supporting mechanism is required to be used for supporting a foundation pit, but the supporting mechanism used by the current building foundation pit still has certain defects, if the existing building foundation pit supporting mechanism mostly has the defect of poor supporting strength, so that the supporting effect is poor, gaps are easy to appear between supporting plates and the side wall of the foundation pit when the existing building foundation pit supporting mechanism is used, so that the normal use of the supporting plates cannot be ensured, the practicability is low, and therefore the high-strength building foundation pit supporting mechanism is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a high-strength building foundation pit supporting mechanism to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a building foundation ditch supporting mechanism of high strength, includes the foundation ditch body, the bottom of foundation ditch body can be dismantled and be equipped with the multiunit bottom plate, one side upper end of bottom plate is rotated and is installed a backplate, one side of propping up the backplate can contact with the lateral wall of foundation ditch body, and can dismantle between the adjacent backplate and be equipped with the fixture block, prop up and be equipped with supporting mechanism between backplate and the bottom plate, be equipped with reinforcing mechanism on supporting mechanism and the supporting plate, reinforcing mechanism's inboard can be dismantled and be equipped with rabbling mechanism.

As a preferred technical scheme of the invention, one end of the bottom plate is penetrated and provided with two groups of symmetrically arranged through holes, the bottom end of the inner cavity of the foundation pit body is provided with a positioning hole matched with the through holes, and positioning pins can be movably inserted in the through holes and the positioning holes.

As a preferred technical scheme of the present invention, the two ends of the supporting plate are provided with clamping grooves distributed in a mirror image manner, the two ends of the supporting plate are both provided with special-shaped grooves matched with the clamping grooves, the special-shaped grooves are of a symmetrical structure, the two sides of the clamping block are both fixedly provided with symmetrically distributed special-shaped blocks, the two ends of the clamping block can be slidably clamped in the clamping grooves, and the special-shaped blocks can be slidably clamped in the special-shaped grooves.

As a preferred technical scheme of the present invention, the supporting mechanism includes a frame, one side of the frame is fixedly connected to the supporting plate, a first moving block is slidably engaged with the inner side of the frame, symmetrically arranged rollers are rotatably engaged with two ends of the first moving block, rolling grooves used in cooperation with the rollers are formed in two ends of the inner side of the frame, and the rollers are movably engaged with the rolling grooves.

As a preferred technical scheme of the present invention, a support rod is rotatably mounted at one end of the first moving block, a second moving block is rotatably mounted at one end of the support rod, an installation groove matched with the second moving block is formed in the bottom plate, the second moving block is slidably clamped in the installation groove, the support mechanism further includes a lead screw, the lead screw is rotatably mounted in the installation groove, and the lead screw is in threaded connection with the second moving block.

As a preferred technical scheme of the present invention, two ends of the second moving block are integrally formed with symmetrically arranged limiting blocks, the side walls of two sides of the inner cavity of the mounting groove are provided with limiting grooves matched with the limiting blocks, and the limiting blocks are slidably clamped in the limiting grooves;

one end of the screw rod penetrates through the bottom plate, and a first rotating wheel is arranged at the tail end of the screw rod.

As a preferred technical scheme of the invention, the reinforcing mechanism comprises a Y-shaped rod and side plates, one end of the Y-shaped rod is fixedly connected with a supporting plate, the other end of the Y-shaped rod is fixedly connected with symmetrically arranged U-shaped plates, pulleys are rotatably arranged on the inner sides of the U-shaped plates, two groups of side plates are arranged and are of a symmetrical structure, one end of each side plate is fixedly connected with the supporting rod, the other end of each side plate is fixedly connected with a traction rope, the traction ropes are in winding connection with the pulleys, the leading-out ends of the traction ropes wound on the pulleys are fixedly provided with connecting rods, the bottom ends of the connecting rods are provided with symmetrically distributed connecting ropes, one ends of the four groups of connecting ropes are provided with a frame body, a through groove matched with the frame body is formed in the bottom plate in a penetrating manner, a blind groove matched with the frame body is formed in the bottom end of an inner cavity of the foundation pit body, and the frame body can be movably clamped in the through groove, and the frame body can be slidably clamped in the hidden groove.

As a preferable technical scheme, the stirring mechanism comprises two groups of vertical plates, a first driven gear and a second driven gear are rotatably mounted in an inner cavity of one group of vertical plates and are meshed with each other, snake-shaped stirring rods are fixedly connected to one sides of the first driven gear and one side of the second driven gear, one end of each snake-shaped stirring rod is rotatably connected with the other vertical plate, and stirring plates distributed in a staggered mode are fixedly mounted on each snake-shaped stirring rod.

As a preferable technical scheme of the invention, rotating rods are rotatably mounted in a group of vertical plates, a driving gear is fixedly sleeved on each rotating rod and is meshed with a first driven gear, one end of each rotating rod penetrates through the corresponding vertical plate, a second rotating wheel is arranged at the tail end of each rotating rod, and a handle is rotatably mounted on each second rotating wheel.

According to a preferable technical scheme of the invention, one side of the vertical plate is provided with a fixed block, two sides of the top end of the frame body are provided with fixed grooves matched with the fixed block for use, one side of the vertical plate can be attached to the inner wall of the frame body, and the fixed block can be slidably clamped in the fixed grooves.

Compared with the prior art, the invention has the beneficial effects that:

1. when in use, a user can sequentially put a plurality of groups of bottom plates at proper positions at the bottom end of the inner cavity of the foundation pit body, then the user can sequentially insert the positioning pins into the corresponding through holes and the positioning holes, thereby fixing the bottom plates at the bottom end of the inner cavity of the foundation pit body and further primarily positioning the supporting plate, then the user can sequentially rotate a plurality of groups of first rotating wheels, thereby driving the second moving block to move towards one side close to the supporting plate through the lead screw, further driving the supporting rod to rotate and pushing the first moving block to move upwards, when the first moving block moves to the topmost end, the user can continuously rotate the first rotating wheels, thereby driving the supporting plate to rotate until one side of the supporting plate is tightly attached to the side wall of the inner cavity of the foundation pit body, then the user can sequentially insert a plurality of groups of fixture blocks between two adjacent groups of supporting plates, thereby realizing the secondary positioning of the supporting plates, and then the user can sequentially insert proper amount of cement, water source and the like into a plurality of groups of frame bodies and fully mix the fixture blocks, and then can increase the weight of framework to can exert a driving force through strutting the pole to the fender, and then can effectively improve the support intensity of fender.

2. Contain proper amount cement in the framework, during materials such as water source, the user can hand rabbling mechanism and establish its card in corresponding the framework, the rotatable handle of later user, thereby it rotates to drive the bull stick through the second runner, and then drive first driven gear through drive gear and rotate, first driven gear will drive second driven gear and rotate this moment, thereby it rotates to drive two sets of snakelike puddlers simultaneously, and then drive the stirring board rotation of crisscross distribution, thereby can shorten the required time of material intensive mixing such as cement and water source, and then effectively improve the efficiency of construction.

3. When the utility model is used in the later stage, when appearing the gap between backplate and the foundation ditch body lateral wall, the framework will drive the connecting rod through connecting the rope and move down this moment, thereby can drive a fender rod rotation through the use of haulage rope and pulley, and then drive first movable block and move down, thereby promote a backplate and closely laminate with foundation ditch body inner chamber lateral wall once more, and then ensure the normal use of a backplate, and after the backup plate uses, the user can cut the rope of connecting, thereby make framework and its inside cement etc. drop in the camera obscura through leading to the groove, and then can play the effect of filling the camera obscura, the practicality is higher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a part of the structure of the present invention;

FIG. 5 is an enlarged structural view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is an enlarged structural view of the structure at C in FIG. 4 according to the present invention;

FIG. 7 is an enlarged structural view of the structure shown at D in FIG. 4 according to the present invention;

FIG. 8 is a schematic view of a connecting structure of the frame and the stirring mechanism according to the present invention;

FIG. 9 is a schematic view of the structure of the stirring mechanism of the present invention.

In the figure: 1. a foundation pit body; 11. positioning holes; 12. a hidden groove; 2. a base plate; 21. a through hole; 22. positioning pins; 23. mounting grooves; 24. a limiting groove; 25. a through groove; 3. supporting the guard plate; 31. a card slot; 32. a special-shaped groove; 4. a clamping block; 41. a shaped block; 5. a support mechanism; 51. a back-shaped frame; 52. a first moving block; 53. a roller; 54. a rolling groove; 55. a support bar; 56. a second moving block; 57. a screw rod; 58. a limiting block; 59. a first runner; 6. a reinforcement mechanism; 61. a Y-shaped rod; 62. a side plate; 63. a U-shaped plate; 64. a pulley; 65. a hauling rope; 66. a connecting rod; 67. connecting ropes; 68. a frame body; 69. fixing grooves; 7. a stirring mechanism; 71. a vertical plate; 72. a first driven gear; 73. a second driven gear; 74. a serpentine agitator arm; 75. a stirring plate; 76. a rotating rod; 77. a drive gear; 78. a second runner; 79. a handle; 710. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a building foundation ditch supporting mechanism of high strength, including foundation ditch body 1, foundation ditch body 1's bottom can be dismantled and be equipped with multiunit bottom plate 2, one side upper end of bottom plate 2 is rotated and is installed a backplate 3, one side of backplate 3 can contact with foundation ditch body 1's lateral wall, and can dismantle between the adjacent backplate 3 and be equipped with fixture block 4, the part foundation ditch body 1 that shows in the picture, bottom plate 2 and the connection of a backplate 3, be equipped with supporting mechanism 5 between backplate 3 and the bottom plate 2, be equipped with reinforcing mechanism 6 on supporting mechanism 5 and the backplate 3, the inboard of reinforcing mechanism 6 can be dismantled and be equipped with rabbling mechanism 7.

The one end of bottom plate 2 runs through the through-hole 21 of seting up two sets of symmetries and setting up, and the locating hole 11 of using with the through-hole 21 cooperation is seted up to the inner chamber bottom of foundation ditch body 1, can the activity insert in through-hole 21 and the locating hole 11 and be equipped with locating pin 22 to can fix bottom plate 2 in the bottom of foundation ditch body 1.

Draw-in groove 31 that the mirror image distributes is seted up at the both ends of backplate 3, and the both ends of backplate 3 all seted up the dysmorphism groove 32 that uses with draw-in groove 31 cooperation, dysmorphism groove 32 is symmetrical structure, the equal fixed mounting in both sides of fixture block 4 has the dysmorphism piece 41 of symmetric distribution, the both ends of fixture block 4 can slide the card and establish in draw-in groove 31, and dysmorphism piece 41 can slide the card and establish in dysmorphism groove 32, thereby link together adjacent two sets of backplate 3 through fixture block 4, and the top of fixture block 4 is equipped with the pull rod, thereby the later stage of being convenient for is taken fixture block 4 out.

The supporting mechanism 5 comprises a return frame 51, one side of the return frame 51 is fixedly connected with the supporting plate 3, a first moving block 52 is arranged on the inner side of the return frame 51 in a sliding and clamping mode, rollers 53 symmetrically arranged are rotatably clamped at two ends of the first moving block 52, rolling grooves 54 matched with the rollers 53 for use are formed in two ends of the inner side of the return frame 51, the rollers 53 are movably clamped in the rolling grooves 54, and convenience is brought to sliding of the first moving block 52 through matching of the rollers 53 and the rolling grooves 54.

The supporting mechanism 5 further comprises a lead screw 57, the lead screw 57 is rotatably installed in the installation groove 23, the lead screw 57 is in threaded connection with the second moving block 56, and therefore the second moving block 56 can be driven to move by rotating the lead screw 57.

The two ends of the second moving block 56 are integrally formed with symmetrically arranged limiting blocks 58, the side walls of the two sides of the inner cavity of the mounting groove 23 are provided with limiting grooves 24 matched with the limiting blocks 58, the limiting blocks 58 are slidably clamped in the limiting grooves 24, and the limiting blocks 58 are matched with the limiting grooves 24 for use, so that the limiting and guiding effects on the movement adjustment of the second moving block 56 are achieved;

one end of the screw 57 penetrates through the bottom plate 2 and the end thereof is provided with a first rotating wheel 59, and a user can drive the screw 57 to rotate by rotating the first rotating wheel 59.

The reinforcing mechanism 6 comprises a Y-shaped rod 61 and a side plate 62, one end of the Y-shaped rod 61 is fixedly connected with the supporting plate 3, the other end of the Y-shaped rod 61 is fixedly connected with symmetrically arranged U-shaped plates 63, pulleys 64 are rotatably installed on the inner sides of the U-shaped plates 63, the side plates 62 are provided with two groups which are in a symmetrical structure, one end of each side plate 62 is fixedly connected with the supporting rod 55, the other end of each side plate 62 is fixedly connected with a traction rope 65, the traction rope 65 is in winding connection with the pulleys 64, a connecting rod 66 is fixedly installed at a leading-out end of the traction rope 65 which is in winding connection with the pulleys 64, the bottom end of each connecting rod 66 is provided with symmetrically distributed connecting ropes 67, one end of each group of the connecting ropes 67 is provided with a frame 68, a through groove 25 matched with the frame 68 is formed in the bottom plate 2, a blind groove 12 matched with the frame 68 is formed in the bottom end of the inner cavity of the foundation pit body 1, the frame 68 can be movably clamped in the through groove 25, and the frame 68 can be slidably engaged in the chase 12.

Rabbling mechanism 7 includes riser 71, riser 71 is provided with two sets ofly, rotate in the inner chamber of a set of riser 71 and install first driven gear 72 and second driven gear 73, and first driven gear 72 meshes with second driven gear 73 mutually, the equal fixedly connected with snakelike puddler 74 in one side of first driven gear 72 and second driven gear 73, the one end and another riser 71 of snakelike puddler 74 rotate and are connected, and fixed mounting has crisscross stirring board 75 who distributes on the snakelike puddler 74, thereby can be through the intensive mixing of materials such as cement in the crisscross stirring board 75 that sets up with higher speed framework 68.

Rotating rod 76 is installed in the rotation of a set of riser 71, and fixed cover has connect drive gear 77 on rotating rod 76, and drive gear 77 meshes with first driven gear 72 mutually, and riser 71 is run through to the one end of rotating rod 76 and is equipped with second runner 78 at its end, and the last rotation of second runner 78 installs handle 79, and the user can rotate handle 79 to drive rotating rod 76 through second runner 78 and rotate.

Fixing block 710 is arranged on one side of riser 71, fixing groove 69 matched with fixing block 710 for use is arranged on two sides of the top end of frame body 68, one side of riser 71 can be attached to the inner wall of frame body 68, fixing block 710 can be slidably clamped in fixing groove 69, and accordingly stirring mechanism 7 can be clamped on frame body 68, and then later-stage stirring operation can be conveniently carried out.

The working principle is as follows: when the invention is used in daily life, a user can sequentially place a plurality of groups of bottom plates 2 at proper positions at the bottom end of the inner cavity of the foundation pit body 1, then the user can sequentially insert the positioning pins 22 into the corresponding through holes 21 and the positioning holes 11, so that the bottom plates 2 are fixed at the bottom end of the inner cavity of the foundation pit body 1, and further the supporting plates 3 are preliminarily positioned, then the user can sequentially rotate a plurality of groups of first rotating wheels 59, thereby driving the second moving block 56 to move towards one side close to the supporting plates 3 through the lead screw 57, further driving the supporting rod 55 to rotate and pushing the first moving block 52 to move upwards, when the first moving block 52 moves to the topmost end, the user can continuously rotate the first rotating wheels 59, thereby driving the supporting plates 3 to rotate until one side of the supporting plates 3 is tightly attached to the side wall of the inner cavity of the foundation pit body 1, and then the user can sequentially insert a plurality of groups of fixture blocks 4 between two adjacent groups of supporting plates 3, thereby realizing the secondary positioning of the supporting plate 3, then a user can lead proper amount of cement, water source and other materials into one group of frame bodies 68, then the user can hold the stirring mechanism 7 by hand and clamp the stirring mechanism on the corresponding frame body 68, then the user can rotate the handle 79, thereby driving the rotating rod 76 to rotate through the second rotating wheel 78, further driving the first driven gear 72 to rotate through the driving gear 77, at the moment, the first driven gear 72 drives the second driven gear 73 to rotate, thereby simultaneously driving the two groups of snake-shaped stirring rods 74 to rotate, further driving the stirring plates 75 which are distributed in a staggered way to rotate, further shortening the time required by the sufficient mixing of the cement and the water source and other materials, further effectively improving the construction efficiency, after the cement in the first group of frame bodies 68 is fully mixed with the water source and the like, the user can take down the stirring mechanism 7 and repeat the steps to put proper amount of cement, water source and the like into the other groups of frame bodies 68, and the supporting rods are fully mixed, so that the weight of the frame body 68 can be increased, a driving force can be exerted on the supporting plate 3 through the supporting rods 55, the supporting strength of the supporting plate 3 can be effectively improved, when the support guard plate 3 is used at a later stage, when a gap is formed between the support guard plate 3 and the side wall of the foundation pit body 1, the frame body 68 drives the connecting rod 66 to move downwards through the connecting rope 67, so that the support bar 55 can be driven to rotate through the use of the traction rope 65 and the pulley 64, thereby driving the first moving block 52 to move downwards, thereby pushing the support plate 3 to be tightly attached to the side wall of the inner cavity of the foundation pit body 1 again, further, the normal use of the supporting plate 3 is ensured, and after the use of the supporting plate 3 is finished, the user can cut the connecting rope 67, therefore, the frame body 68 and the cement and the like inside the frame body drop in the camera obscura 12 through the through groove 25, and the camera obscura 12 can be filled, and the practicability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building foundation ditch support mechanism of high strength, includes foundation ditch body (1), its characterized in that: the utility model discloses a foundation ditch, including foundation ditch body (1), one side upper end of bottom plate (2) is dismantled and is equipped with multiunit bottom plate (2), one side upper end of bottom plate (2) is rotated and is installed a backplate (3), one side of a backplate (3) can contact with the lateral wall of foundation ditch body (1), and can dismantle between adjacent backplate (3) and be equipped with fixture block (4), be equipped with between backplate (3) and bottom plate (2) and strut mechanism (5), be equipped with on strut mechanism (5) and a backplate (3) and consolidate mechanism (6), the inboard of consolidating mechanism (6) can be dismantled and be equipped with rabbling mechanism (7).

2. The high-strength building foundation pit supporting mechanism according to claim 1, wherein: the one end of bottom plate (2) runs through-hole (21) of seting up two sets of symmetries and setting up, locating hole (11) with through-hole (21) cooperation use are seted up to the inner chamber bottom of foundation ditch body (1), can the activity insert in through-hole (21) and locating hole (11) and be equipped with locating pin (22).

3. The high-strength building foundation pit supporting mechanism according to claim 1, wherein: draw-in groove (31) that the mirror image distributes are seted up at the both ends of fender (3), and the both ends of fender (3) all seted up special-shaped groove (32) that use with draw-in groove (31) cooperation, special-shaped groove (32) are symmetrical structure, the equal fixed mounting in both sides of fixture block (4) has special-shaped piece (41) of symmetric distribution, the both ends of fixture block (4) can slide the card and establish in draw-in groove (31), and special-shaped piece (41) can slide the card and establish in special-shaped groove (32).

4. The high-strength building foundation pit supporting mechanism according to claim 1, wherein: the supporting mechanism (5) comprises a return frame (51), one side of the return frame (51) is fixedly connected with the supporting plate (3), a first moving block (52) is slidably clamped on the inner side of the return frame (51), rollers (53) which are symmetrically arranged are rotatably clamped at two ends of the first moving block (52), rolling grooves (54) matched with the rollers (53) for use are formed in two ends of the inner side of the return frame (51), and the rollers (53) are movably clamped in the rolling grooves (54).

5. A high strength building foundation pit supporting mechanism according to claim 4, wherein: one end of the first moving block (52) is rotatably provided with a supporting rod (55), one end of the supporting rod (55) is rotatably provided with a second moving block (56), the bottom plate (2) is provided with a mounting groove (23) matched with the second moving block (56) for use, the second moving block (56) is slidably clamped in the mounting groove (23), the supporting mechanism (5) further comprises a lead screw (57), the lead screw (57) is rotatably mounted in the mounting groove (23), and the lead screw (57) is in threaded connection with the second moving block (56).

6. A high strength building foundation pit supporting mechanism according to claim 5, wherein: two ends of the second moving block (56) are integrally formed with symmetrically arranged limiting blocks (58), the side walls of two sides of the inner cavity of the mounting groove (23) are provided with limiting grooves (24) matched with the limiting blocks (58), and the limiting blocks (58) are slidably clamped in the limiting grooves (24);

one end of the screw rod (57) penetrates through the bottom plate (2) and a first rotating wheel (59) is arranged at the tail end of the screw rod.

7. A high strength building foundation pit supporting mechanism according to claim 5, wherein: the reinforcing mechanism (6) comprises a Y-shaped rod (61) and side plates (62), one end of the Y-shaped rod (61) is fixedly connected with the supporting plate (3), the other end of the Y-shaped rod (61) is fixedly connected with U-shaped plates (63) symmetrically arranged, pulleys (64) are rotatably mounted on the inner sides of the U-shaped plates (63), the side plates (62) are provided with two groups and are of symmetrical structures, one end of each side plate (62) is fixedly connected with the supporting rod (55), the other end of each side plate (62) is fixedly connected with a traction rope (65), the traction ropes (65) are in winding connection with the pulleys (64), a connecting rod (66) is fixedly mounted at a leading-out end of each traction rope (65) in winding connection with the corresponding pulley (64), the bottom ends of the connecting rods (66) are provided with symmetrically distributed connecting ropes (67), one ends of the four groups of the connecting ropes (67) are provided with frame bodies (68), a through groove (25) matched with the frame bodies (68), and the bottom end of the inner cavity of the foundation pit body (1) is provided with a hidden groove (12) matched with the frame body (68) for use, the frame body (68) can be movably clamped in the through groove (25), and the frame body (68) can be slidably clamped in the hidden groove (12).

8. A high strength building foundation pit supporting mechanism according to claim 7, wherein: rabbling mechanism (7) are including riser (71), riser (71) are provided with two sets ofly, and are a set of rotate in the inner chamber of riser (71) and install first driven gear (72) and second driven gear (73), and first driven gear (72) and second driven gear (73) mesh mutually, first driven gear (72) and the equal fixedly connected with snakelike puddler (74) of one side of second driven gear (73), the one end and another riser (71) of snakelike puddler (74) rotate and are connected, and fixed mounting has stirring board (75) of crisscross distribution on snakelike puddler (74).

9. A high strength building foundation pit supporting mechanism according to claim 8, wherein: a set of bull stick (76) are installed to riser (71) internal rotation, fixed cover has connect drive gear (77) on bull stick (76), drive gear (77) and first driven gear (72) mesh mutually, the one end of bull stick (76) runs through riser (71) and is equipped with second runner (78) at its end, rotate on second runner (78) and install handle (79).

10. A high strength building foundation pit supporting mechanism according to claim 8, wherein: one side of riser (71) is equipped with fixed block (710), fixed slot (69) that use with fixed block (710) cooperation are seted up to the top both sides of framework (68), one side of riser (71) can be laminated mutually with the inner wall of framework (68), and fixed block (710) can the slip card establish in fixed slot (69).