CN214883705U

CN214883705U - Inner supporting structure for foundation pit

Info

Publication number: CN214883705U
Application number: CN202121188611.5U
Authority: CN
Inventors: 黄邦森
Original assignee: Guangdong Minghaorun Construction Engineering Co ltd
Current assignee: Guangdong Minghaorun Construction Engineering Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-11-26
Anticipated expiration: 2031-05-29

Abstract

The application relates to an inner supporting structure of a foundation pit, which comprises a supporting upright post body and a supporting plate body, wherein the supporting upright post body is arranged in the foundation pit, a supporting base is arranged at the bottom of the supporting upright post body, limiting devices are respectively arranged on two sides of the supporting base, and each limiting device comprises a threaded rod which is in threaded connection with the supporting base, a drill bit which is fixedly connected to the bottom of the threaded rod and a handle which is fixedly arranged on the outer side wall of the threaded rod in a sleeved mode; the top of threaded rod has been seted up and has been erected the groove, erect the lateral wall in groove and seted up a plurality of through-holes, every it is connected with the stopper to slide in the through-hole, erect the inslot and install the actuating mechanism who is used for driving a plurality of stoppers to remove. This application can reduce the support post body of rod and take place the possibility of slope.

Description

Inner supporting structure for foundation pit

Technical Field

The application relates to the technical field of foundation pit support, in particular to an inner supporting structure of a foundation pit.

Background

At present, a foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size. Before excavation of the foundation pit, an excavation scheme is formulated according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof and drainage work is performed.

The related technology can refer to Chinese utility model patent with the publication number of CN210887230U, which discloses a foundation pit inner supporting structure, comprising a supporting upright post rod body and a supporting plate body, wherein both side walls of the supporting upright post rod body are provided with inward-concave T-shaped chutes, T-shaped sliders are movably connected in the T-shaped chutes, the outer ends of the T-shaped sliders are fixedly provided with mounting plates, four corners of the inner edge of each mounting plate body are movably connected with locking bolts, the T-shaped sliders are fixedly mounted on the supporting upright post rod body by the locking bolts, one side of each mounting plate body, which is far away from the supporting upright post rod body, is fixedly provided with a supporting cylinder body, the front end of the rod body of each supporting cylinder body is hinged with a hinge block, the hinge block is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with the supporting plate body by the bolts; the bottom of the support column body of rod is equipped with connecting thread, and the connecting thread in-connection has the screw rod, and the bottom fixed mounting of screw rod has the support base, and the bottom fixed mounting who supports the base has the body of rod of inserting ground.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the support post body is connected to the ground only by the ground engaging body, which may cause the support post body to tilt.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the support column body of rod takes place to incline, the application provides a foundation ditch inner supporting structure.

The application provides a foundation ditch inner support structure adopts following technical scheme:

a foundation pit inner supporting structure comprises a supporting upright post body and a supporting plate body, wherein the supporting upright post body is arranged in a foundation pit, a supporting base is arranged at the bottom of the supporting upright post body, limiting devices are respectively arranged on two sides of the supporting base, and each limiting device comprises a threaded rod connected to the supporting base in a threaded mode, a drill bit fixedly connected to the bottom of the threaded rod and a handle sleeved and fixed on the outer side wall of the threaded rod; the top of threaded rod has been seted up and has been erected the groove, erect the lateral wall in groove and seted up a plurality of through-holes, every it is connected with the stopper to slide in the through-hole, erect the inslot and install the actuating mechanism who is used for driving a plurality of stoppers to remove.

Through adopting above-mentioned technical scheme, rotate the threaded rod through rotating the handle, be convenient for under the effect of drill bit this moment with the threaded rod bore in the soil body of foundation ditch bottom, then move outward to the through-hole through actuating mechanism drive stopper to be convenient for carry on spacingly to the threaded rod, therefore can reduce the possibility that the support post body of rod takes place to incline.

Preferably, the driving mechanism comprises a moving plate connected to the side wall of the vertical groove in a sliding manner along the vertical direction and a driving assembly arranged in the vertical groove and used for driving the moving plate to move; the bottom of the vertical groove is rotatably connected with a plurality of sleeves which are in one-to-one correspondence with the limiting blocks, a connecting rod is arranged between each sleeve and the corresponding limiting block, and two ends of each connecting rod are respectively hinged to the outer side wall of each sleeve and one end, close to each sleeve, of each limiting block; the bottom of the moving plate is provided with a plurality of driving rods which are correspondingly matched with the sleeves one by one; and a matching component for driving the sleeve to rotate is arranged between the outer side wall of the driving rod and the inner side wall of the sleeve.

By adopting the technical scheme, when the limiting block needs to be driven to move, the driving assembly drives the moving plate to move, the moving plate drives the driving rod to move, the driving rod drives the sleeve to rotate under the action of the matching assembly, the sleeve rotates to drive the connecting rod to move, and the limiting block can be driven to move under the action of the connecting rod; through setting up actuating mechanism, be convenient for drive spacing block and remove.

Preferably, the driving assembly comprises a lead screw rotatably connected to the side wall of the vertical groove and a hand wheel fixedly connected to the top of the lead screw; the moving plate is connected to the lead screw in a threaded mode.

By adopting the technical scheme, when the moving plate needs to be driven to move, the lead screw is rotated by rotating the hand wheel, and the moving plate can be driven to move by rotating the lead screw; through setting up drive assembly, be convenient for drive movable plate and remove.

Preferably, the bottom of the vertical groove is fixedly connected with a guide rod, and the movable plate is connected to the guide rod in a sliding mode along the vertical direction.

Through adopting above-mentioned technical scheme, through setting up the guide arm, be convenient for lead the movable plate.

Preferably, the cooperation subassembly includes a plurality of spiral pieces of rigid coupling in the actuating lever lateral wall in proper order along the circumference of actuating lever, a plurality of helicla flutes have been seted up in proper order along its circumference to sheathed tube inside wall, spiral piece with the helicla flute one-to-one cooperation.

Through adopting above-mentioned technical scheme, through setting up spiral piece and helicla flute, the actuating lever drive sleeve pipe of being convenient for rotates.

Preferably, a connecting device is arranged between two adjacent supporting upright post bodies, and the connecting device comprises a connecting plate and a handle fixedly connected to the top of the connecting plate; the two ends of the bottom of the connecting plate are fixedly connected with inserting blocks respectively, the tops of the two supporting upright post bodies are provided with inserting grooves respectively, the two inserting blocks are inserted into the two inserting grooves respectively, and fixing assemblies for fixing the inserting blocks are arranged in the inserting grooves.

Through adopting above-mentioned technical scheme, make the inserted block peg graft with the slot through removing the connecting plate, then fix the inserted block through fixed subassembly to can be in the same place two adjacent support post body of rod links to each other, therefore can improve the overall stability of two adjacent support post body of rod.

Preferably, the fixing component comprises an abutting block connected to the slot in a sliding manner along the length direction of the slot and a spring fixedly connected to one side, far away from the inserting block, of the abutting block; the opposite inner sides of the inserting block and the abutting block are respectively provided with an inclined surface, and the two inclined surfaces are matched; one end of the spring, which is far away from the abutting block, is fixedly connected to the inner wall of one end of the slot, which is far away from the inserting block.

By adopting the technical scheme, when the insertion block is inserted into the slot, the insertion block drives the abutting block to move under the action of the inclined surface, the abutting block moves to abut against the spring, and the spring is in a compressed state; after the insertion block is inserted into the slot, the abutting block can fix the insertion block under the action of the spring; through setting up fixed subassembly, be convenient for fix the inserted block.

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

1. the threaded rod is rotated by rotating the handle, so that the threaded rod can be conveniently drilled into the soil body at the bottom of the foundation pit under the action of the drill bit, and then the limiting block is driven by the driving mechanism to move outwards from the through hole, so that the threaded rod is conveniently limited, and the possibility of inclination of the support upright post body can be reduced;

2. when the limiting block needs to be driven to move, the driving assembly drives the moving plate to move, the moving plate drives the driving rod to move, the driving rod drives the sleeve to rotate under the action of the matching assembly, the sleeve rotates to drive the connecting rod to move, and the limiting block can be driven to move under the action of the connecting rod; the driving mechanism is arranged, so that the limiting block can be driven to move conveniently;

3. when the inserting block is inserted into the slot, the inserting block drives the abutting block to move under the action of the inclined plane, the abutting block moves to abut against the spring, and the spring is in a compressed state; after the insertion block is inserted into the slot, the abutting block can fix the insertion block under the action of the spring; through setting up fixed subassembly, be convenient for fix the inserted block.

Drawings

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

FIG. 2 is a partial cross-sectional view of a highlighted drive mechanism in an embodiment of the present application;

FIG. 3 is a schematic view showing the structure of a spiral block and a spiral groove in the embodiment of the present application;

FIG. 4 is a schematic view of the construction of a highlighted connection means in an embodiment of the present application;

FIG. 5 is a partial cross-sectional view of a highlighted mounting assembly in an embodiment of the application.

Description of reference numerals: 1. a foundation pit; 2. supporting the upright post body; 3. a support plate body; 4. a support base; 5. a limiting device; 51. a threaded rod; 511. a vertical slot; 512. a through hole; 52. a drill bit; 53. a handle; 54. a limiting block; 6. a drive mechanism; 61. moving the plate; 62. a sleeve; 63. a connecting rod; 64. a drive rod; 65. a screw block; 66. a helical groove; 67. a drive assembly; 671. a horizontal plate; 672. a lead screw; 673. a hand wheel; 674. a guide bar; 675. a stopper; 7. a connecting device; 71. a connecting plate; 72. inserting a block; 73. a slot; 74. a handle; 75. a fixing assembly; 751. a butting block; 752. a spring; 753. a bevel.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses bearing structure in foundation ditch, as shown in fig. 1, including installing in a plurality of support post body of rod 2 in foundation ditch 1 and installing the supporting plate body 3 in foundation ditch 1, support base 4 is installed to the bottom of the support post body of rod 2, and stop device 5 is installed respectively to the both sides of supporting base 4.

As shown in fig. 1 and 2, the limiting device 5 includes a threaded rod 51 screwed to the supporting base 4, a drill 52 fixed to the bottom of the threaded rod 51, and a handle 53 fixed to the outer side wall of the threaded rod 51; the vertical setting of threaded rod 51, the vertical slot 511 has been seted up at the top of threaded rod 51, and two through-holes 512 have been seted up to the lateral wall of vertical slot 511, and it is connected with stopper 54 to slide along threaded rod 51's radial in every through-hole 512, installs the actuating mechanism 6 that is used for driving two stopper 54 and removes in the vertical slot 511. The threaded rod 51 is rotated by rotating the handle 53, the threaded rod 51 is convenient to drill into the soil at the bottom of the foundation pit 1 under the action of the drill bit 52, and then the limiting block 54 is driven by the driving mechanism 6 to move towards the outside of the through hole 512, so that the threaded rod 51 is convenient to limit, and the possibility of inclination of the support column body 2 can be reduced.

As shown in fig. 2 and 3, the driving mechanism 6 includes a moving plate 61 slidably connected to a side wall of the vertical slot 511 along the vertical direction, and a driving assembly 67 installed in the vertical slot 511 for driving the moving plate 61 to move; the moving plate 61 is horizontally arranged; the bottom of the vertical groove 511 is rotatably connected with two sleeves 62 which are in one-to-one correspondence with the limiting blocks 54 through bearings, a connecting rod 63 is arranged between the sleeves 62 and the limiting blocks 54, and two ends of the connecting rod 63 are respectively hinged to the outer side wall of the sleeve 62 and the bottom of one end of the limiting block 54 close to the sleeve 62; two driving rods 64 which are correspondingly matched with the sleeves 62 one by one are fixedly connected to the bottom of the moving plate 61; be provided with between the lateral wall of actuating lever 64 and the inside wall of sleeve pipe 62 and be used for the pivoted cooperation subassembly of actuating lever 62, the cooperation subassembly includes along actuating lever 64 circumference rigid coupling in proper order in a plurality of spiral pieces 65 of actuating lever 64 lateral wall, and a plurality of helicla flutes 66 have been seted up in proper order along its circumference to the inside wall of sleeve pipe 62, and spiral piece 65 cooperates with helicla flute 66 one-to-one. When the limiting block 54 needs to be driven to move, the moving plate 61 is driven to move through the driving assembly 67, the moving plate 61 drives the driving rod 64 to move, at this time, the driving rod 64 drives the sleeve 62 to rotate under the action of the spiral block 65 and the spiral groove 66, the sleeve 62 rotates to drive the connecting rod 63 to move, and at this time, the limiting block 54 can be driven to move under the action of the connecting rod 63; by arranging the driving mechanism 6, the limiting block 54 is convenient to drive to move.

As shown in fig. 2 and 3, the driving assembly 67 includes a horizontal plate 671 fixed to the side wall of the vertical slot 511, a lead screw 672 rotatably connected to the horizontal plate 671 through a bearing, and a hand wheel 673 fixed to the top of the lead screw 672; the moving plate 61 is in threaded connection with the lead screw 672; the lead screw 672 is vertically arranged; a guide rod 674 is fixedly connected to the bottom of the vertical groove 511, the guide rod 674 is vertically arranged and penetrates through the moving plate 61, the moving plate 61 is connected to the guide rod 674 in a sliding mode along the vertical direction, and a stop block 675 is fixedly connected to the top of the guide rod 674. When the moving plate 61 needs to be driven to move, the lead screw 672 is rotated by rotating the hand wheel 673, and the lead screw 672 can be rotated to drive the moving plate 61 to move; the driving assembly 67 is provided to facilitate driving the moving plate 61 to move.

As shown in fig. 4 and 5, a connecting device 7 is arranged between two adjacent support upright rod bodies 2, and the connecting device 7 comprises a connecting plate 71; the two ends of the bottom of the connecting plate 71 are respectively fixedly connected with an inserting block 72, the inserting blocks 72 are square, the tops of the two support upright post rod bodies 2 are respectively provided with an inserting groove 73, the inserting grooves 73 are square, the two inserting blocks 72 are respectively inserted into the two inserting grooves 73, and a fixing component 75 for fixing the inserting blocks 72 is arranged in each inserting groove 73; to facilitate the movement of the link plate 71, a handle 74 is mounted on the top of the link plate 71. The insertion block 72 is inserted into the insertion slot 73 by moving the connecting plate 71, and then the insertion block 72 is fixed by the fixing component 75, so that two adjacent support column rods 2 can be connected together, and the overall stability of the two adjacent support column rods 2 can be improved.

As shown in fig. 4 and 5, the fixing assembly 75 includes an abutting block 751 slidably connected to the slot 73 along the length direction of the slot 73 and a spring 752 fixedly connected to the abutting block 751 at a side away from the inserting block 72; the spring 752 is horizontally arranged, the abutting block 751 is square, the opposite inner sides of the inserting block 72 and the abutting block 751 are respectively provided with an inclined plane 753, the two inclined planes 753 are respectively positioned at the bottom of the inserting block 72 and the top of the abutting block 751, and the two inclined planes 753 are matched; the end of the spring 752 far from the abutting block 751 is fixedly connected to the inner wall of the end of the slot 73 far from the inserting block 72, and in order to reduce the possibility of corrosion of the spring 752, the spring 752 may be painted with anti-rust paint or plated. When the insert block 72 is inserted into the slot 73, the insert block 72 drives the abutting block 751 to move under the action of the inclined surface 753, the abutting block 751 moves to abut against the spring 752, and the spring 752 is in a compressed state; when the plug 72 is plugged into the slot 73, the abutting block 751 can fix the plug 72 under the action of the spring 752; by providing the fixing member 75, the insert block 72 is easily fixed.

The implementation principle of the foundation pit inner supporting structure in the embodiment of the application is as follows: the threaded rod 51 is rotated by rotating the handle 53, the threaded rod 51 is convenient to drill into the soil body at the bottom of the foundation pit 1 under the action of the drill bit 52 at the moment, then the lead screw 672 is rotated by rotating the hand wheel 673, the lead screw 672 rotates to drive the moving plate 61 to move, the moving plate 61 moves to drive the driving rod 64 to move, the driving rod 64 drives the sleeve 62 to rotate under the action of the spiral block 65 and the spiral groove 66 at the moment, the sleeve 62 rotates to drive the connecting rod 63 to move, the limiting block 54 is driven to move outwards from the through hole 512 under the action of the connecting rod 63 at the moment, the threaded rod 51 is convenient to limit, and therefore the possibility that the supporting upright post body 2 is inclined can be reduced.

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

Claims

1. The utility model provides an inner supporting structure of foundation ditch, is including installing the support post body of rod (2) and the backup pad body (3) in foundation ditch (1), support base (4), its characterized in that are installed to the bottom of the support post body of rod (2): limiting devices (5) are respectively installed on two sides of the supporting base (4), each limiting device (5) comprises a threaded rod (51) in threaded connection with the supporting base (4), a drill bit (52) fixedly connected to the bottom of the threaded rod (51) and a handle (53) fixedly sleeved on the outer side wall of the threaded rod (51); vertical slot (511) have been seted up at the top of threaded rod (51), a plurality of through-holes (512) have been seted up to the lateral wall of vertical slot (511), every through-hole (512) internal slipping is connected with stopper (54), install actuating mechanism (6) that are used for driving a plurality of stoppers (54) to remove in vertical slot (511).

2. An excavation internal support structure as defined in claim 1, wherein: the driving mechanism (6) comprises a moving plate (61) which is connected to the side wall of the vertical groove (511) in a sliding mode along the vertical direction and a driving assembly (67) which is installed in the vertical groove (511) and used for driving the moving plate (61) to move; the bottom of the vertical groove (511) is rotatably connected with a plurality of sleeves (62) which are in one-to-one correspondence with the limiting blocks (54), a connecting rod (63) is arranged between each sleeve (62) and each limiting block (54), and two ends of each connecting rod (63) are respectively hinged to the outer side wall of each sleeve (62) and one end, close to each sleeve (62), of each limiting block (54); the bottom of the moving plate (61) is provided with a plurality of driving rods (64) which are correspondingly matched with the sleeves (62) one by one; and a matching component for driving the sleeve (62) to rotate is arranged between the outer side wall of the driving rod (64) and the inner side wall of the sleeve (62).

3. An excavation internal support structure according to claim 2, wherein: the driving assembly (67) comprises a lead screw (672) which is rotatably connected to the side wall of the vertical groove (511) and a hand wheel (673) which is fixedly connected to the top of the lead screw (672); the moving plate (61) is screwed to the lead screw (672).

4. An excavation internal support structure according to claim 2, wherein: the bottom of the vertical groove (511) is fixedly connected with a guide rod (674), and the moving plate (61) is connected to the guide rod (674) in a sliding mode along the vertical direction.

5. An excavation internal support structure according to claim 2, wherein: the cooperation subassembly includes a plurality of spiral pieces (65) of rigid coupling in actuating lever (64) lateral wall in proper order along the circumference of actuating lever (64), a plurality of helicla flutes (66) have been seted up in proper order along its circumference to the inside wall of sleeve pipe (62), spiral piece (65) with helicla flute (66) one-to-one cooperation.

6. An excavation internal support structure as defined in claim 1, wherein: a connecting device (7) is arranged between two adjacent supporting upright post bodies (2), and the connecting device (7) comprises a connecting plate (71) and a handle (74) fixedly connected to the top of the connecting plate (71); the two ends of the bottom of the connecting plate (71) are fixedly connected with inserting blocks (72) respectively, the tops of the two supporting upright post bodies (2) are provided with inserting grooves (73) respectively, the two inserting blocks (72) are inserted into the two inserting grooves (73) respectively, and fixing assemblies (75) used for fixing the inserting blocks (72) are installed in the inserting grooves (73).

7. An excavation internal support structure according to claim 6, wherein: the fixing component (75) comprises an abutting block (751) connected to the slot (73) in a sliding mode along the length direction of the slot (73) and a spring (752) fixedly connected to one side, far away from the inserting block (72), of the abutting block (751); the opposite inner sides of the inserting block (72) and the abutting block (751) are respectively provided with an inclined surface (753), and the two inclined surfaces (753) are matched; one end of the spring (752) far away from the abutting block (751) is fixedly connected with the inner wall of one end of the slot (73) far away from the insert block (72).