CN219219032U

CN219219032U - Supporting structure in foundation pit

Info

Publication number: CN219219032U
Application number: CN202223435191.3U
Authority: CN
Inventors: 符志聪; 欧阳凯; 梁嘉伟
Original assignee: Guangdong Yushengda Construction Co ltd
Current assignee: Guangdong Yushengda Construction Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-20
Anticipated expiration: 2032-12-21

Abstract

The application relates to the field of foundation pit support, in particular to a foundation pit inner support structure, which comprises a bottom plate, a support plate and a support mechanism; the support plate is rotationally connected with the bottom plate, and the support mechanism comprises a first support, a second support, a support plate and an adjusting assembly; the first support is arranged on the bottom plate in a sliding manner, and the adjusting assembly is used for driving the first support to slide towards a direction approaching to or away from the support plate; the second support is fixed on the support plate, the bottom end of the support plate is rotationally connected with the first support, and the top end of the support plate is rotationally connected with the second support. The application realizes stable support for the foundation pit.

Description

Supporting structure in foundation pit

Technical Field

The application relates to the field of foundation pit support, in particular to a supporting structure in a 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. Before excavation, the excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site, and waterproof and drainage works are performed. The method of releasing the slope can be used for stabilizing the soil slope by the person with non-deep excavation, and the gradient of the soil slope is determined according to relevant construction engineering regulations. The method can be used for protecting the wall of a foundation pit by adopting a foundation pit wall supporting method and a concrete spraying wall protecting method, and even a large foundation pit adopts a method of interlocking an underground continuous wall and a column type bored pile and the like to protect the collapse of an outer soil layer.

The related art discloses a bearing structure in foundation ditch, including bottom plate, backplate and bracing piece, the bottom plate butt is in the bottom of foundation ditch, backplate butt in the inside wall of foundation ditch, the bottom and the bottom plate of bracing piece are fixed, the top of bracing piece is fixed with the lateral wall of backplate.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: in reality, the inside wall of the foundation pit is not necessarily perpendicular to the bottom, but the supporting structure in the foundation pit in the related art cannot be adjusted according to the inclination angle of the inside wall of the foundation pit, so that stable supporting of the foundation pit cannot be realized.

Disclosure of Invention

In order to realize the stable support to the foundation ditch, this application provides a bearing structure in the foundation ditch.

The application provides a bearing structure adopts following technical scheme in foundation ditch:

a supporting structure in a foundation pit comprises a bottom plate, a supporting plate and a supporting mechanism; the support plate is rotationally connected with the bottom plate, and the support mechanism comprises a first support, a second support, a support plate and an adjusting assembly; the first support is arranged on the bottom plate in a sliding manner, and the adjusting assembly is used for driving the first support to slide towards a direction approaching to or away from the support plate; the second support is fixed on the support plate, the bottom end of the support plate is rotationally connected with the first support, and the top end of the support plate is rotationally connected with the second support.

By adopting the technical scheme, when the foundation pit is required to be supported, the first support is driven to slide through the adjusting component, as the length of the supporting plate is fixed and is rotationally connected with the first support, and the other end of the supporting plate is rotationally connected with the second support, the first support is convenient to adjust the inclination angle of the support plate in the sliding process, when the support plate is parallel to the inner side wall of the foundation pit, the support plate is abutted to the inner side wall of the foundation pit, and finally the bottom plate is fixed at the bottom of the foundation pit; thereby be convenient for adjust the inclination of backup pad according to the inclination of foundation ditch inside wall to make the lateral wall laminating of backup pad in the inside wall of foundation ditch, thereby realize the steady support to the foundation ditch.

Optionally, the adjusting part includes supporting shoe and lead screw, the supporting shoe is fixed in on the bottom plate, the lead screw passes the supporting shoe, the lead screw with the supporting shoe screw thread fit, the tip of lead screw with first support rotates to be connected.

Through adopting above-mentioned technical scheme, because lead screw and supporting shoe screw thread fit, the staff passes through rotatory lead screw, and the lead screw drives the direction slip that first support is close to or keeps away from the backplate at rotatory in-process.

Optionally, a hand wheel is fixedly arranged at the end part of the screw rod.

Through adopting above-mentioned technical scheme, the staff rotates the lead screw through rotatory hand wheel, has laborsaving effect.

Optionally, the fixed first regulating block that is provided with on the supporting shoe, first regulating groove has been seted up on the first regulating block, wear to be equipped with the bolt in the first regulating groove, the bolt with bottom plate screw-thread fit.

Through adopting above-mentioned technical scheme, the nut and the bottom plate of bolt have the centre gripping effect to the regulating block to be fixed in on the bottom plate with first regulating block, and then be fixed in on the bottom plate with the supporting shoe, increased staff's installation and the convenience of dismantling the supporting shoe.

Optionally, the first adjustment groove extends in a horizontal direction.

Through adopting above-mentioned technical scheme, the staff is convenient for adjust the position of supporting shoe along the length direction of first adjustment tank.

Optionally, a guide assembly is arranged on the bottom plate, the guide assembly comprises a guide rail and a sliding block, the guide rail is fixed on the bottom plate, the sliding block is fixed on the first support, the guide rail penetrates through the sliding block, and the sliding block is in sliding fit with the guide rail.

Through adopting above-mentioned technical scheme, the guide rail has the guide effect to the slider, has increased slider along the gliding stability of horizontal direction to increased supporting shoe along the gliding stability of horizontal direction.

Optionally, the slider is threaded and matched with a screw, and the end part of the screw is abutted to the upper surface of the guide rail.

Through adopting above-mentioned technical scheme, after the inclination of backplate is adjusted, the staff passes through rotatory screw rod to make the tip butt of screw rod in the upper surface of guide rail, the frictional force between tip and the guide rail of screw rod has the fixed action to first support.

Optionally, a knob is fixedly arranged on the screw.

Through adopting above-mentioned technical scheme, the staff rotates the screw rod through rotatory knob, has laborsaving effect.

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

1. when the foundation pit is required to be supported, the first support is driven to slide through the adjusting component, as the length of the supporting plate is fixed, one end of the supporting plate is rotationally connected with the first support, and the other end of the supporting plate is rotationally connected with the second support, the first support is convenient for adjusting the inclination angle of the supporting plate in the sliding process, when the supporting plate is parallel to the inner side wall of the foundation pit, the supporting plate is abutted to the inner side wall of the foundation pit, and finally the bottom plate is fixed at the bottom of the foundation pit; the inclination angle of the supporting plate is conveniently adjusted according to the inclination angle of the inner side wall of the foundation pit, so that the side wall of the supporting plate is attached to the inner side wall of the foundation pit, and stable supporting of the foundation pit is realized;

2. because the screw rod is in threaded fit with the supporting block, a worker rotates the screw rod, and the screw rod drives the first support to slide towards a direction approaching or far away from the supporting plate in the rotating process;

3. the staff rotates the lead screw through rotating the hand wheel, has laborsaving effect.

Drawings

Fig. 1 is a schematic structural view of a support structure in a foundation pit in an embodiment of the present application.

Fig. 2 is a schematic structural view of a first support in an embodiment of the present application.

Reference numerals illustrate:

1. a bottom plate; 2. a support plate; 3. a first support; 31. a first bottom block; 32. a first mounting block; 33. a driving block; 4. a second support; 41. a second bottom block; 42. a second mounting block; 43. a second adjustment block; 44. a second regulating groove; 5. a support plate; 51. a first rotation shaft; 52. a second rotation shaft; 6. an adjustment assembly; 61. a support block; 611. a first adjustment block; 62. a screw rod; 63. a hand wheel; 7. a guide assembly; 71. a guide rail; 72. a slide block; 73. a screw; 74. and (5) a knob.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

For ease of understanding, the support structure in the foundation pit will be described based on the fact that the longitudinal direction of the X-axis is defined as the first direction and the longitudinal direction of the Y-axis is defined as the second direction in the horizontal direction in the present embodiment, while referring to fig. 1, in conjunction with the three-dimensional coordinate system.

The embodiment of the application discloses a supporting structure in foundation pit. Referring to fig. 1, the support structure in the foundation pit comprises a bottom plate 1, a support plate 2 and a support mechanism. The bottom of the support plate 2 is rotatably connected with one end, close to the side wall of the foundation pit, of the bottom plate 1, and the support mechanism is used for supporting the bottom plate 1 and the support plate 2.

With continued reference to fig. 1, the support mechanism includes a first mount 3, a second mount 4, a support plate 5, and an adjustment assembly 6. The first support 3 slides and sets up on bottom plate 1, and adjusting part 6 sets up in the upper surface of bottom plate 1, and adjusting part 6 is used for driving first support 3 to slide along the second direction to slide towards the direction that is close to or keeps away from backplate 2. The second support 4 is fixed on the backplate 2, and the bottom of backup pad 5 rotates with first support 3 to be connected, and the top of backup pad 5 rotates with second support 4 to be connected.

Referring to fig. 1 and 2, specifically, the first support 3 includes a first bottom block 31 and two first mounting blocks 32, the first bottom block 31 is slidably engaged with the base plate 1, the two first mounting blocks 32 are fixed to the upper surface of the base plate 1, and the two first mounting blocks 32 are parallel to each other. The bottom end of the supporting plate 5 is fixedly provided with a first rotating shaft 51, two ends of the first rotating shaft 51 penetrate through the two first mounting blocks 32 respectively, and two ends of the first rotating shaft 51 are connected with the two first mounting blocks 32 in a rotating mode respectively. The second support 4 comprises a second bottom block 41 and two second mounting blocks 42, the second bottom block 41 is fixed on the support plate 2, the two second mounting blocks 42 are fixed on the second bottom block 41, and the two second mounting blocks 42 are parallel to each other. The top of backup pad 5 is fixed and is provided with second rotation axis 52, and two second installation piece 42 are worn to locate respectively at the both ends of second rotation axis 52, and the both ends of second rotation axis 52 are connected with two second installation piece 42 rotations respectively.

Referring to fig. 1, the outer side walls of the two second mounting blocks 42 are integrally formed with second adjusting blocks 43, and the lower surfaces of the two second adjusting blocks 43 are abutted against the upper surface of the base plate 1. The two second adjusting blocks 43 are provided with second adjusting grooves 44 penetrating through, and the two second adjusting grooves 44 extend along the first direction. Bolts are arranged in each second adjusting groove 44 in a penetrating mode, the two bolts are matched with the bottom plate 1 in a threaded mode, convenience in mounting and dismounting the second support 4 by workers is improved, and meanwhile the workers can conveniently adjust the position of the second support 4 along the first direction.

With continued reference to fig. 1, the adjusting assembly 6 includes a support block 61, a screw 62 and a hand wheel 63, the support block 61 is fixed to the upper surface of the base plate 1, the screw 62 extends in the second direction, the screw 62 passes through the support block 61, and the screw 62 is screw-engaged with the support block 61. The first support 3 further comprises a driving block 33, the lower surface of the driving block 33 is fixedly connected with the upper surface of the first bottom block 31, and two ends of the driving block 33 are fixedly connected with the two first mounting blocks 32 respectively. One end of the screw rod 62, which is close to the first support 3, penetrates through the driving block 33 and is rotationally connected with the driving block 33, and the hand wheel 63 is fixed at one end of the screw rod 62, which is far away from the first support 3. Because the lead screw 62 and the supporting block 61 are in threaded fit, the lead screw 62 is rotated by a worker through rotating the hand wheel 63, and the lead screw 62 drives the first support 3 to slide along the second direction in the rotating process, so that the position between the first support 3 and the supporting plate 2 is adjusted, and because the length of the supporting plate 5 is fixed, the inclination angle of the supporting plate 2 is adjusted according to the inclination angle of the side wall of the foundation pit conveniently.

With continued reference to fig. 1, the two opposite side walls of the supporting block 61 are integrally formed with first adjusting blocks 611, and the lower surfaces of the two first adjusting blocks 611 are abutted against the upper surface of the bottom plate 1. The two first adjusting blocks 611 are provided with first adjusting grooves which penetrate through the first adjusting blocks, and the two first adjusting grooves extend along the second direction. Bolts are arranged in each first adjusting groove in a penetrating mode, the two bolts are matched with the bottom plate 1 in a threaded mode, convenience in mounting and dismounting the supporting blocks 61 by workers is improved, and meanwhile the positions of the supporting blocks 61 are adjusted along the second direction by workers.

With continued reference to fig. 1, the base plate 1 is further provided with two guiding assemblies 7, the two guiding assemblies 7 being symmetrically distributed on both sides of the supporting block 61. Specifically, each guide assembly 7 includes a guide rail 71 and a slider 72, the guide rail 71 is fixed to the upper surface of the base plate 1, and the guide rail 71 extends in the second direction. A slider 72 is fixed to a side wall of the first support 3, and a rail 71 passes through the slider 72, and the slider 72 is slidably engaged with the rail 71. The guide rail 71 guides the slider 72 and thus the first support 3, increasing the stability of the sliding of the first support 3 in the second direction.

With continued reference to fig. 1, screws 73 are threadedly engaged with the two sliders 72, the two screws 73 extend in the vertical direction, and bottom ends of the two screws 73 respectively abut against upper surfaces of the two guide rails 71. After the inclination angle of the support plate 2 is adjusted, the worker rotates the screw 73 so that the end of the screw 73 abuts against the upper surface of the guide rail 71, and the friction between the end of the screw 73 and the guide rail 71 fixes the first support 3.

With continued reference to fig. 1, the top end of the screw 73 is fixedly provided with a knob 74, in this embodiment the knob 74 is a wing nut. The worker rotates the screw 73 by rotating the knob 74, thereby saving labor.

The implementation principle of the embodiment is as follows: when the foundation pit is required to be supported, the first support 3 is driven to slide through the adjusting component 6, as the length of the support plate 5 is fixed and unchanged, one end of the support plate 5 is rotationally connected with the first support 3, and the other end of the support plate 5 is rotationally connected with the second support 4, the first support 3 is convenient for adjusting the inclination angle of the support plate 2 in the sliding process, when the support plate 2 is parallel to the inner side wall of the foundation pit, the support plate 2 is abutted to the inner side wall of the foundation pit, and finally the bottom plate 1 is fixed at the bottom of the foundation pit; thereby be convenient for adjust the inclination of backup pad 5 according to the inclination of foundation ditch inside wall to make the lateral wall laminating of backup pad 5 in the inside wall of foundation ditch, thereby realize the steady rest to the foundation ditch.

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 bearing structure in foundation ditch which characterized in that: comprises a bottom plate (1), a support plate (2) and a support mechanism; the support plate (2) is rotationally connected with the bottom plate (1), and the support mechanism comprises a first support (3), a second support (4), a support plate (5) and an adjusting assembly (6); the first support (3) is arranged on the bottom plate (1) in a sliding manner, and the adjusting assembly (6) is used for driving the first support (3) to slide towards a direction approaching or separating from the support plate (2); the second support (4) is fixed on the support plate (2), the bottom end of the support plate (5) is rotationally connected with the first support (3), and the top end of the support plate (5) is rotationally connected with the second support (4);

the adjusting assembly (6) comprises a supporting block (61) and a screw rod (62), the supporting block (61) is fixed on the bottom plate (1), the screw rod (62) penetrates through the supporting block (61), the screw rod (62) is in threaded fit with the supporting block (61), and the end part of the screw rod (62) is in rotary connection with the first support (3);

the support block (61) is fixedly provided with a first adjusting block (611), a first adjusting groove is formed in the first adjusting block (611), a bolt is arranged in the first adjusting groove in a penetrating mode, and the bolt is in threaded fit with the bottom plate (1).

2. The foundation pit inner support structure of claim 1, wherein: a hand wheel (63) is fixedly arranged at the end part of the screw rod (62).

3. The foundation pit inner support structure of claim 1, wherein: the first regulating groove extends in a horizontal direction.

4. The foundation pit inner support structure of claim 1, wherein: be provided with direction subassembly (7) on bottom plate (1), direction subassembly (7) include guide rail (71) and slider (72), guide rail (71) are fixed in on bottom plate (1), slider (72) are fixed in on first support (3), guide rail (71) pass slider (72), slider (72) with guide rail (71) sliding fit.

5. The foundation pit internal support structure of claim 4, wherein: a screw (73) is in threaded fit with the slider (72), and the end of the screw (73) abuts against the upper surface of the guide rail (71).

6. The foundation pit internal support structure of claim 5, wherein: the screw (73) is fixedly provided with a knob (74).