CN210737560U

CN210737560U - Foundation pit protection frame

Info

Publication number: CN210737560U
Application number: CN201921509133.6U
Authority: CN
Inventors: 冯金明; 刘强; 惠培柯; 冯宝元
Original assignee: Beijing Geotechnical Engineering Investigation Institute Co Ltd
Current assignee: Beijing Geotechnical Engineering Investigation Institute Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-12
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a foundation pit protection frame, include with the backup pad of foundation pit lateral wall butt and can dismantle the fixed plate of being connected with the foundation pit bottom, the one end that the foundation pit lateral wall was kept away from to the backup pad is provided with telescopic machanism, telescopic machanism keeps away from the one end of backup pad is provided with the plugboard, the upper surface of fixed plate is provided with the workstation, be provided with the load board on the workstation, the plugboard is provided with the grafting piece, the inserting groove has been seted up to the load board, the grafting piece of plugboard is pegged graft in the inserting groove of load board. It has the effect that convenient dismantlement and can reuse, produce few building rubbish.

Description

Foundation pit protection frame

Technical Field

The utility model relates to a building foundation technical field, in particular to foundation ditch protects frame.

Background

In order to ensure the smooth construction of the foundation pit and the safety of surrounding buildings, a supporting structure is generally arranged between the foundation pit and the side wall of the foundation pit, the supporting structure of the foundation pit has various forms, and the supporting structure of the foundation pit is used for preventing underground water and soil outside the foundation pit from flowing into the foundation pit.

At present, a protective frame for an inner support of a building foundation pit is mostly of a cast-in-place reinforced concrete structure, and the cast-in-place reinforced concrete is generally demolished by adopting an explosion mode, so that not only can environmental pollution be caused, but also a large amount of building garbage can be generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foundation ditch protects frame, it has convenient dismantlement and can reuse, produce the few effect of building rubbish.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a foundation pit protection frame, includes the backup pad with foundation pit lateral wall butt and can dismantle the fixed plate of being connected with the foundation pit bottom, the one end that the foundation pit lateral wall was kept away from to the backup pad is provided with telescopic machanism, telescopic machanism keeps away from the one end of backup pad is provided with the plugboard, the upper surface of fixed plate is provided with the workstation, be provided with the load board on the workstation, the plugboard is provided with the grafting piece, the inserting groove has been seted up to the load board, the grafting piece of plugboard is pegged graft in the inserting groove of load board.

Through adopting above-mentioned technical scheme, use backup pad butt in the lateral wall of foundation ditch, the fixed plate is fixed in the bottom of foundation ditch, the lower extreme of one end butt backup pad of fixed plate, and telescopic machanism's plugboard is pegged graft in the inserting groove of load board through the grafting piece, and telescopic machanism, plugboard, load board carry out the supporting role to the backup pad jointly, consequently, can conveniently dismantle and also can reuse building material, and it is few to produce building rubbish.

The utility model discloses further set up to: the utility model discloses a fixed plate, including base pit lateral wall, supporting plate, telescopic machanism, guide way and guide rail, the one end that the foundation ditch lateral wall was kept away from to the supporting plate has been seted up to the guide way, the guide way sets up along vertical direction, telescopic machanism is close to the one end of supporting plate is provided with the slider, the slider with guide way looks adaptation, the slider slide connect in the guide way, the upper surface of fixed plate is provided with the guided way along its length direction, the workstation orientation the groove of sliding has been seted up to the one end of fixed plate upper surface, the groove of sliding of workstation slide connect in the guided way, be provided with on the workstation and be.

Through adopting above-mentioned technical scheme, telescopic machanism slides along with the slider in the guide way, and telescopic machanism can rise one end distance from this, and when the workstation need cooperate with telescopic machanism again, the workstation slides on the guided way equally, and the workstation can cooperate the removal of slider under lifting unit's effect simultaneously, makes better and telescopic machanism dock.

The utility model discloses further set up to: the lifting assembly comprises a threaded rod and a threaded sleeve sleeved on the threaded rod, the threaded rod is vertically arranged, the lower end of the threaded rod is connected with the upper surface of the workbench, the lower end of the threaded sleeve is sleeved on the upper end of the threaded rod, the threaded sleeve is in threaded connection with the threaded rod, the upper end of the threaded sleeve is connected with a lifting plate, and the lifting plate is connected with the bearing plate.

Through adopting above-mentioned technical scheme, threaded sleeve carries out threaded connection on the threaded rod, and threaded sleeve drives the lift of lifter plate, adopts the screw-thread fit between threaded sleeve and the threaded rod, and the lift of control lifter plate that can be indirect, control mode is simple, and operating procedure is few.

The utility model discloses further set up to: the threaded sleeve is provided with a rotating handle.

Through adopting above-mentioned technical scheme, the setting of twist grip can conveniently rotate threaded sleeve pipe.

The utility model discloses further set up to: the bearing plate is provided with a connecting plate, the connecting plate and the lifting plate are arranged in parallel, and a reinforcing mechanism is arranged between the connecting plate and the workbench.

By adopting the technical scheme, the reinforcing mechanism can reinforce the supporting strength between the bearing plate and the lifting plate, so that the bearing plate is more stable in stress.

The utility model discloses further set up to: strengthen the mechanism and include outer tube, inner loop pole and be used for the locking subassembly of fixed outer tube and inner loop pole, the sliding hole has been seted up to the lifter plate, the vertical setting of outer tube, the lower extreme of outer tube is worn to locate behind the sliding hole with the upper surface of workstation is connected, the lower pot head of inner loop pole is located in the outer tube, inner loop pole is followed the reciprocal slip of axis direction of outer tube, the outer tube with sliding hole sliding connection.

By adopting the technical scheme, the outer sleeve slides on the inner sleeve rod, the outer sleeve and the inner sleeve rod are fixed by using the locking assembly after the outer sleeve slides to a certain length, and the fixed outer sleeve and the fixed inner sleeve rod reinforce and support the bearing plate.

The utility model discloses further set up to: the workbench is provided with a fixing threaded hole, the fixing piece is a fixing bolt, the fixing bolt penetrates through the fixing threaded hole and abuts against the guide rail, and the fixing bolt is in threaded connection with the fixing threaded hole.

Through adopting above-mentioned technical scheme, use fixing bolt to be fixed in on the fixed plate after the workstation slides, fixing bolt's intensity is high, and is stable when fixed, and the life cycle is long, and is not fragile.

The utility model discloses further set up to: the telescopic mechanism comprises a sleeve, a loop bar and a positioning assembly used for fixing the sleeve and the loop bar, one end of the sleeve is connected with the plugboard, one end of the loop bar is sleeved in the sleeve, the loop bar slides in a reciprocating mode along the axis of the sleeve, and the other end of the loop bar is connected with the sliding block.

By adopting the technical scheme, when the height of the plugboard needs to be adjusted, the sleeve pipe slides on the loop bar, and the sleeve pipe and the loop bar are fixed by the positioning assembly after sliding, so that the plugboard can be adjusted in height with the workbench through the sliding of the sleeve pipe.

The utility model discloses further set up to: the sleeve pipe is seted up and is run through the inside and outside rectangular hole of sleeve pipe, the rectangular hole sets up along sheathed tube axis direction, the loop bar is seted up and is run through the inside and outside locating hole of loop bar, the sleeve pipe in the outer peripheral face of rectangular hole department is provided with the external screw thread, locating component includes positioning bolt, set nut and location thread bush, positioning bolt wears to locate behind the locating hole of sheathed tube rectangular hole, loop bar with set nut threaded connection, location thread bush locates the sleeve pipe, the location thread bush is provided with the internal thread, the location thread bush with sleeve pipe threaded connection.

Through adopting above-mentioned technical scheme, positioning bolt wears to locate behind the locating hole of sheathed tube rectangular hole and loop bar and uses set nut to fasten, and positioning bolt can remove in sheathed tube rectangular downthehole to this adapts to the loop bar and slides the back and need the fixed condition, through the screw-thread fit between the external screw thread outside location thread bush and the cover pipe, can support positioning bolt.

To sum up, the utility model discloses following beneficial effect has:

1. the supporting plate is abutted to the side wall of the foundation pit, the fixing plate is fixed to the bottom of the foundation pit, one end of the fixing plate is abutted to the lower end of the supporting plate, the inserting plate of the telescopic mechanism is inserted into the inserting groove of the bearing plate through the inserting block, and the telescopic mechanism, the inserting plate and the bearing plate jointly support the supporting plate, so that the building material can be conveniently disassembled and recycled, and less building waste is generated;

2. the outer sleeve slides on the inner sleeve rod, the outer sleeve and the inner sleeve rod are fixed by using the locking assembly after the outer sleeve slides to a certain length, and the fixed outer sleeve and the fixed inner sleeve rod reinforce and support the force bearing plate;

3. positioning bolt wears to locate and uses set nut to fasten behind the locating hole of sheathed tube rectangular hole and loop bar, and positioning bolt can remove in sheathed tube rectangular hole to this adapts to the loop bar and slides the condition that the back needs to be fixed at the cover intraductal, through the screw-thread fit between the external screw thread outside location thread bush and the cover pipe, can support positioning bolt.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

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

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

FIG. 4 is a top view of the reinforcement mechanism in this embodiment;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

fig. 6 is an exploded schematic view of the connection relationship between the splicing plate and the bearing plate.

In the figure, 1, a support plate; 11. a guide groove; 111. a slider; 2. a fixing plate; 21. a guide rail; 211. a fixing hole; 22. anchor bolts; 23. a work table; 231. fixing the bolt; 31. a loop bar; 311. a strip hole; 32. a positioning assembly; 321. positioning a nut; 322. positioning the bolt; 323. positioning a threaded sleeve; 33. a sleeve; 4. a plugboard; 41. an insertion block; 5. a bearing plate; 51. a connecting plate; 52. a lifting plate; 53. inserting grooves; 6. a reinforcing mechanism; 61. an outer sleeve; 62. an inner loop bar; 621. connecting holes; 63. a locking assembly; 631. a locking bolt; 632. a locking nut; 7. a lifting assembly; 71. a threaded rod; 72. a threaded bushing; 721. the handle is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a foundation pit protection frame, include with the backup pad 1 of foundation pit lateral wall butt and can dismantle the fixed plate 2 of being connected with the foundation pit bottom, fixed plate 2 is rectangular shaped plate, and fixed plate 2 is close to the one end of backup pad 1 and the lower extreme butt of backup pad 1, and fixed plate 2 is fixed in the foundation pit bottom through rag bolt 22.

The upper surface of fixed plate 2 has guided way 21 along its length direction welding, and guided way 21 sets up to the T type, and a plurality of fixed orificess 211 have been seted up to the upper surface of guided way 21, and a plurality of fixed orificess 211 evenly arrange along the length direction of guided way 21. The upper surface of fixed plate 2 is provided with workstation 23, and workstation 23 is a rectangular shaped plate, and the length direction of workstation 23 is the same with the length direction of fixed plate 2, and the groove of sliding has been seted up to the lower surface of workstation 23, and the groove of sliding is T type groove, and the groove of sliding of workstation 23 slides with guided way 21 and is connected, sliding groove and guided way 21 looks adaptation. The fixing piece is arranged on the workbench 23, the workbench 23 is provided with a fixing threaded hole, the fixing piece is a fixing bolt 231, the fixing bolt 231 penetrates through the fixing threaded hole and abuts against the fixing hole 211 of the guide rail 21, and the fixing bolt 231 is in threaded connection with the fixing threaded hole.

Referring to fig. 1 and 2, a lifting assembly 7 is arranged on the upper surface of the workbench 23, the lifting assembly 7 includes a threaded rod 71 and a threaded sleeve 72, the threaded rod 71 is vertically arranged, the lower end of the threaded rod 71 is welded to the upper surface of the workbench 23, the lower end of the threaded sleeve 72 is sleeved on the upper end of the threaded rod 71, the threaded sleeve 72 is in threaded connection with the threaded rod 71, a rotating handle 721 is welded to the outer peripheral wall of the threaded sleeve 72, the rotating handles 721 are arranged in two numbers, and the two rotating handles 721 are respectively located on two sides of the threaded sleeve 72 in the radial direction.

The welding of threaded sleeve 72's upper end has lifter plate 52, lifter plate 52 and workstation 23 parallel arrangement, and the one end welding that lifter plate 52 is close to backup pad 1 has bearing board 5, and bearing board 5 slope sets up, and the contained angle between bearing board 5 and the lifter plate 52 is the acute angle, and the welding of the one end that bearing board 5 kept away from lifter plate 52 has connecting plate 51, connecting plate 51 and lifter plate 52 parallel arrangement.

With reference to fig. 1, 4 and 5, two sets of reinforcing mechanisms 6 are disposed between the connecting plate 51 and the upper surface of the worktable 23, the two sets of reinforcing mechanisms 6 are disposed in parallel and opposite to each other, and each reinforcing mechanism 6 includes an outer sleeve 61, an inner sleeve rod 62, and a locking assembly 63 for fixing the outer sleeve 61 and the inner sleeve rod 62. The lifting plate 52 is provided with a sliding hole, the outer sleeve 61 is vertically arranged, the lower end of the outer sleeve 61 penetrates through the sliding hole and then is welded with the upper surface of the workbench 23, the lower end of the inner sleeve rod 62 is sleeved in the outer sleeve 61, the inner sleeve rod 62 slides in a reciprocating manner along the axis direction of the outer sleeve 61, and the outer sleeve 61 is connected with the sliding hole in a sliding manner.

The outer tube 61 is provided with a locking hole penetrating through the inside and outside of the outer tube 61, the inner loop bar 62 is provided with a plurality of connecting holes 621 penetrating through the inside and outside of the inner loop bar 62, the plurality of connecting holes 621 are arranged along the axial direction of the inner loop bar 62, the locking assembly 63 comprises a locking bolt 631 and a locking nut 632, and the locking bolt 631 penetrates through the locking hole of the outer tube 61 and the connecting hole 621 of the inner loop bar 62 and then is in threaded connection with the locking nut 632.

Referring to fig. 1 and 6, the supporting plate 1 is vertically arranged, the supporting plate 1 is provided with a guide groove 11 along the vertical direction, a sliding block 111 is connected in the guide groove 11 in a sliding manner, and the sliding block 111 slides along the length direction of the guide groove 11. The one end that slider 111 deviates from guide way 11 is provided with telescopic machanism, telescopic machanism keeps away from slider 111 one end and is provided with plugboard 4, plugboard 4 is square board, plugboard 4 has splicing block 41 towards one side welding of bearing board 5, splicing block 41 is four, four splicing block 41 are located four angles of plugboard 4 respectively, bearing board 5 has seted up inserting groove 53, inserting groove 53 is corresponding with splicing block 41, splicing block 41 of plugboard 4 pegs graft in inserting groove 53 of bearing board 5.

Referring to fig. 1 and 3, the telescoping mechanism includes a sleeve 33, a loop bar 31 and a positioning assembly 32 for fixing the sleeve 33 and the loop bar 31, one end of the loop bar 31 is welded to the slider 111, the loop bar 31 is obliquely arranged, an included angle between the loop bar 31 and the slider 111 is an acute angle, the other end of the loop bar 31 is sleeved in the sleeve 33, the loop bar 31 slides back and forth along an axis of the sleeve 33, and the other end of the sleeve 33 is welded to one end of the plugboard 4 facing the support plate 1.

The sleeve 33 is provided with a strip hole 311 penetrating through the inside and the outside of the sleeve 33, the strip hole 311 is arranged along the axis direction of the sleeve 33, the loop bar 31 is provided with a positioning hole penetrating through the inside and the outside of the loop bar 31, the sleeve 33 is provided with an external thread on the peripheral surface of the strip hole 311, the positioning component 32 comprises a positioning bolt 322, a positioning nut 321 and a positioning thread sleeve 323, the positioning bolt 322 penetrates through the strip hole 311 of the sleeve 33, the positioning hole of the loop bar 31 is connected with the positioning nut 321 in a threaded manner, the positioning thread sleeve 323 is sleeved on the sleeve 33, the positioning thread sleeve 323 is provided with an internal thread, and the positioning thread sleeve 323 is connected with the sleeve 33.

The implementation principle of the embodiment is as follows: when needing to support the foundation ditch, the lateral wall of the vertical laminating foundation ditch of backup pad 1 is placed, and the diapire of the laminating foundation ditch of fixed plate 2 is placed the one end butt of fixed plate 2 in the lower extreme of backup pad 1 simultaneously, and fixed plate 2 is fixed in the foundation ditch bottom through rag bolt 22, and telescopic machanism sets up and is used for supporting backup pad 1 between backup pad 1 and fixed plate 2, and the grafting piece 41 on the terminal plugboard 4 of sleeve pipe 33 is pegged graft in the inserting groove 53 of bearing plate 5.

When the position supported by the telescopic mechanism needs to be adjusted, the sliding block 111 slides in the guide groove 11, the sleeve 33 also extends or shortens on the sleeve rod 31 to adapt to the sliding of the sliding block 111, the inserting plate 4 at the tail end of the sleeve 33 is lifted or lowered, the threaded sleeve 72 positioned below the lifting plate 52 is rotated, the threaded sleeve 72 rotates on the threaded rod 71, the lifting plate 52 is lifted under the action of the threaded sleeve 72, the bearing plate 5 connected with the lifting plate 52 is lifted at the same time, and the workbench 23 is slid, so that the inserting groove 53 of the bearing plate 5 can be matched with the inserting block 41 of the inserting plate 4 to adjust the change of the supporting position of the supporting plate 1.

The reinforcing mechanism 6 welded between the bearing plate 5 and the lifting plate 52 can reinforce the stability of the whole support, the outer sleeve 61 slides on the inner sleeve rod 62, and the outer sleeve 61 and the inner sleeve rod 62 are fixed by the locking bolt 631 and the locking nut 632 after the connecting plate 51 is adjusted to a certain height.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a foundation ditch protects frame, includes backup pad (1) with foundation ditch lateral wall butt and can dismantle fixed plate (2) of being connected, its characterized in that with the foundation ditch bottom: the supporting plate is characterized in that a telescopic mechanism is arranged at one end, far away from the side wall of the foundation pit, of the supporting plate (1), an inserting plate (4) is arranged at one end, far away from the supporting plate (1), of the telescopic mechanism, a workbench (23) is arranged on the upper surface of the fixing plate (2), a bearing plate (5) is arranged on the workbench (23), an inserting block (41) is arranged on the inserting plate (4), an inserting groove (53) is formed in the bearing plate (5), and the inserting block (41) of the inserting plate (4) is inserted into the inserting groove (53) of the bearing plate (5).

2. A foundation pit protection frame according to claim 1, wherein: one end of the supporting plate (1) far away from the side wall of the foundation pit is provided with a guide groove (11), the guide groove (11) is arranged along the vertical direction, one end of the telescopic mechanism close to the support plate (1) is provided with a slide block (111), the sliding block (111) is matched with the guide groove (11), the sliding block (111) is connected in the guide groove (11) in a sliding way, the upper surface of the fixed plate (2) is provided with a guide rail (21) along the length direction, one end of the workbench (23) facing the upper surface of the fixed plate (2) is provided with a sliding groove, the sliding groove of the working table (23) is connected with the guide rail (21) in a sliding way, the workbench (23) is provided with a fixing piece for fixing the workbench (23) to slide, and a lifting component (7) is arranged between the workbench (23) and the bearing plate (5).

3. A foundation pit protection frame according to claim 2, wherein: lifting unit (7) include threaded rod (71), threaded sleeve pipe (72) on threaded rod (71) are located to the cover, the vertical setting of threaded rod (71), the lower extreme of threaded rod (71) with the upper surface connection of workstation (23), the lower pot head of threaded sleeve pipe (72) is located the upper end of threaded rod (71), threaded sleeve pipe (72) with threaded rod (71) threaded connection, the upper end of threaded sleeve pipe (72) is connected with lifter plate (52), lifter plate (52) with load board (5) are connected.

4. A foundation pit protection frame according to claim 3, wherein: the threaded sleeve (72) is provided with a rotating handle (721).

5. A foundation pit protection frame according to claim 3, wherein: the bearing plate (5) is provided with a connecting plate (51), the connecting plate (51) and the lifting plate (52) are arranged in parallel, and a reinforcing mechanism (6) is arranged between the connecting plate (51) and the workbench (23).

6. A foundation pit protection frame according to claim 5, wherein: strengthen mechanism (6) and include outer tube (61), interior loop bar (62) and be used for locking Assembly (63) of fixed outer tube (61) and interior loop bar (62), sliding hole has been seted up in lifter plate (52), the vertical setting of outer tube (61), the lower extreme of outer tube (61) is worn to locate behind the sliding hole with the upper surface of workstation (23) is connected, the lower pot head of interior loop bar (62) is located in outer tube (61), interior loop bar (62) are followed the axis direction reciprocating sliding of outer tube (61), outer tube (61) with sliding hole sliding connection.

7. A foundation pit protection frame according to claim 2, wherein: the fixing threaded hole is formed in the workbench (23), the fixing piece is a fixing bolt (231), the fixing bolt (231) penetrates through the fixing threaded hole and abuts against the guide rail (21), and the fixing bolt (231) is in threaded connection with the fixing threaded hole.

8. A foundation pit protection frame according to claim 7, wherein: the telescopic mechanism comprises a sleeve (33), a loop bar (31) and a positioning assembly (32) used for fixing the sleeve (33) and the loop bar (31), one end of the sleeve (33) is connected with the plugboard (4), one end of the loop bar (31) is sleeved in the sleeve (33), the loop bar (31) slides in a reciprocating mode along the axis of the sleeve (33), and the other end of the loop bar (31) is connected with the sliding block (111).

9. A foundation pit protection frame according to claim 8, wherein: the sleeve (33) is provided with a long hole (311) penetrating through the inside and the outside of the sleeve (33), the long hole (311) is arranged along the axis direction of the sleeve (33), the loop bar (31) is provided with a positioning hole penetrating through the inside and the outside of the loop bar (31), the outer peripheral face of the sleeve (33) at the position of the long hole (311) is provided with an external thread, the positioning assembly (32) comprises a positioning bolt (322), a positioning nut (321) and a positioning threaded sleeve (323), the positioning bolt (322) penetrates through the long hole (311) of the sleeve (33) and the positioning hole of the loop bar (31) and is in threaded connection with the positioning nut (321), the positioning threaded sleeve (323) is sleeved on the sleeve (33), the positioning threaded sleeve (323) is provided with an internal thread, and the positioning threaded sleeve (323) is in threaded connection with the sleeve (33).