CN212956556U

CN212956556U - Deep foundation pit supporting structure

Info

Publication number: CN212956556U
Application number: CN202021314361.0U
Authority: CN
Inventors: 李龙; 刘薇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-13
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a deep basal pit supporting construction belongs to foundation ditch excavation engineering technical field. The utility model provides a deep foundation pit supporting construction, the on-line screen storage device comprises a base, base top surface rear side rotation is connected with the bottom plate, bottom plate top surface right side has set firmly insertion piece A, the bottom plate top is equipped with the connecting plate, insertion groove A has been seted up on connecting plate bottom surface right side, connecting plate top surface right side is equipped with insertion piece B, the connecting plate top is equipped with the roof, insertion groove B has been seted up on roof bottom surface right side, the roof upper end rotation is connected with the footstock, footstock top surface both sides are symmetrical structure and have seted up two screw holes respectively, the screw hole interpolation is equipped with the drilling rod, the external screw thread. The utility model discloses can dismantle the transportation, need not to carry out the bulk movement, and the mounting method is simple, uses convenient and fast, and structural design is ingenious, and the practicality is stronger, and the flexibility ratio is high, is fit for promoting.

Description

Deep foundation pit supporting structure

Technical Field

The utility model relates to a foundation ditch excavation engineering technical field, more specifically say, relate to a deep basal pit supporting construction.

Background

The foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, influences surrounding buildings and underground pipelines, and seriously endangers normal use or safety of the foundation pit.

Through the retrieval, the patent that publication number CN109972625A does discloses a deep basal pit supporting construction, the device improves the area of contact with the foundation ditch through the threaded rod in first grafting stock and the second grafting stock, reach spacing and strut the deep basal pit, wedge face through driving-disc and plugboard, reach the purpose that the plugboard is outstanding or shrink on the body, pass the bottom plate and insert the base in the deep basal pit through the second grafting stock, reach the purpose of installing respectively, through setting up the cross stopper on the curb plate, make in the lateral wall of cross stopper embedding foundation ditch, area of contact improves.

The existing device can only be used for supporting between the bottom part of a foundation pit and a side wall, the supporting effect on the edge of the foundation pit is insufficient, great danger can be easily caused if collapse occurs at the edge of the foundation pit, the existing devices with different sizes are needed to be customized for the foundation pits with different depths, the flexibility is insufficient, the practicability is low, and accordingly, the deep foundation pit supporting structure is provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a deep basal pit supporting construction to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

A deep foundation pit supporting structure comprises a base, wherein the top surface of the base is symmetrically provided with two through grooves, the through grooves are T-shaped structures, the upper parts of the inner sides of the through grooves are provided with sliding seats in sliding fit with the through grooves, the middle parts of the top surfaces of the sliding seats are provided with screw holes, threaded rods are inserted in the screw holes, the bottom surfaces of the threaded rods are fixedly provided with pointed ends, the rear sides of the top surfaces of the sliding seats are hinged with connecting rods, the rear sides of the top surfaces of the base are rotatably connected with a bottom plate, the upper end of the front wall of the bottom plate is fixedly provided with a hinged seat, the right side of the top surface of the bottom plate is fixedly provided with an inserting block A, a connecting plate is arranged above the bottom plate, the right side of the bottom surface of the connecting plate is provided with an inserting groove A, the right side of, two threaded holes are respectively formed in two sides of the top surface of the top seat in a symmetrical structure, a drill rod is inserted into each threaded hole, an external thread is formed in the outer wall of the drill rod, a groove is formed in the middle of the top surface of the top seat, and a negative weight block is arranged in each groove;

the upper end of the right wall of the bottom plate and the upper end of the right wall of the connecting plate are respectively and fixedly provided with a fixing ring, a sliding rod is inserted into the fixing rings, the upper end of the sliding rod penetrates through the fixing rings to extend to the upper part and is welded with a clamping block, and a compression spring is sleeved on the outer side of the sliding rod relative to the position below the fixing rings;

the roof all sets firmly with connecting plate right side wall lower extreme and connects the cap, connect cap bottom surface middle part and seted up the square hole, the turn trough has been seted up to the square hole top surface, the turn trough is the cylindrical structure that highly is the same with the joint piece, the position of both sides is symmetrical structure around the relative square hole of turn trough bottom surface and has seted up two joint grooves.

Preferably, the insertion block a and the insertion groove a are both T-shaped structures, the insertion block a is in insertion fit with the insertion groove a, the insertion block B and the insertion groove B are both T-shaped structures, and the insertion block B is in insertion fit with the insertion groove B.

Preferably, the rear end of the connecting rod is hinged to the middle of the front wall of the hinged seat, the screw hole is in threaded connection with the threaded rod, and the threaded hole is in threaded connection with the external thread.

Preferably, the bottom surface of the negative weight is in sliding contact with the bottom surface of the groove.

Preferably, the outer wall of the sliding rod is in sliding fit with the inner wall of the fixing ring.

Preferably, the joint piece is in inserting fit with the square hole, the size of the diameter of the rotary groove is the same as the size of the diagonal interval of the top surface of the joint piece, the top surface and the bottom surface of the joint piece are in sliding contact with the top surface and the bottom surface of the rotary groove respectively, and the joint piece is in clamping fit with the joint groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with the footstock, the front side bottom surface of footstock rotates and is connected with the roof, can be fully connected the footstock with the device is whole through the grafting of roof and connecting plate, can not take place to collapse with the edge of this protection foundation ditch, abundant lateral wall to the foundation ditch is strutted, staff's safety in the foundation ditch has been protected, and the top surface of footstock has seted up a plurality of screw holes, the downthehole drilling rod of seting up the external screw thread in addition of threaded hole, screw-thread fit through external screw thread and screw hole can make and improve the footstock and the degree of fastening of being connected on ground when boring the drilling rod into the soil, the heavy burden piece in the deuterogamying recess is to the pressure of footstock, very big increase the restriction of footstock and roof to the foundation ditch edge, more firm.

2. The utility model discloses a grafting cooperation of grafting piece A and inserting groove A and grafting piece B and inserting groove B that are the T type can be with bottom plate, connecting plate and roof interconnect to can come the quantity that the appropriate amount increased the connecting plate according to the demand of on-the-spot foundation ditch degree of depth, with this effect that reaches nimble reply different foundation ditches, improved strutting arrangement's flexibility ratio, great improvement the practicality of this device.

3. The utility model discloses a base top surface has been seted up two and has been run through the groove, run through the inslot be equipped with rather than sliding fit's sliding seat, the sliding seat passes through the articulated seat of connecting rod and bottom plate front end articulated, when installation supporting construction in the foundation ditch, can rely on rotation between base and the bottom plate to be connected and make the lower part of this device can adapt to different foundation ditch lateral wall angles, the flexibility of device has been improved, and seted up the screw on the sliding seat, be equipped with the threaded rod rather than threaded connection in the screw, the threaded rod bottom surface has still set firmly the tip, the tip of the usable bottom surface of rotating threaded rod makes the threaded rod firmly fixed with sliding seat and foundation ditch bottom surface, it is closely spent with the connection at the bottom of the pit to increase the base through this structure, and the fixed back that finishes of sliding seat, can form triangular structure between connecting rod and bottom.

4. The utility model discloses through grafting piece A, grafting groove A and grafting piece B are to the bottom plate with grafting groove B, connecting plate and roof are fixed outside, still be equipped with the slide bar and connect the connection structure of cap, sliding contact through slide bar and solid fixed ring, can peg graft into the square hole of connecting the cap bottom surface with the joint piece of slide bar upper end, rotatory slide bar afterwards, make the joint piece rotate and last card go into the joint inslot along the rotary trough, the compression spring that is equipped with through solid fixed ring bottom surface and the originated end of slide bar overlap simultaneously, can the two joint relation pulling fasten more, can effectual reinforcing bottom plate, connecting compactness between connecting plate and the roof, the firmness of device has been increaseed, the intensity of strutting is improved.

5. The utility model discloses can dismantle the transportation, need not to carry out the bulk movement, and the mounting method is simple, uses convenient and fast, and structural design is ingenious, and the practicality is stronger, and the flexibility ratio is high, is fit for promoting.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the right-side exploded structure of the present invention;

FIG. 3 is a left side view of the exploded structure of the present invention;

FIG. 4 is a schematic view of the structure of the base and the bottom plate of the present invention;

FIG. 5 is a schematic view of the structure of the top seat and the top plate of the present invention;

FIG. 6 is a schematic view of the slide rod and the connecting cap of the present invention;

fig. 7 is a schematic sectional view of the connecting cap of the present invention.

The reference numbers in the figures illustrate: 1. a base; 2. a through groove; 3. a sliding seat; 4. a screw hole; 5. a threaded rod; 6. a tip; 7. a base plate; 8. an insertion block A; 9. a connecting plate; 10. a plug groove A; 11. an insertion block B; 12. a top plate; 13. a plug groove B; 14. a top seat; 15. a threaded hole; 16. a drill stem; 17. an external thread; 18. a groove; 19. a negative weight block; 20. a fixing ring; 21. a slide bar; 22. a clamping block; 23. a compression spring; 24. a connecting cap; 25. a square hole; 26. rotating the groove; 27. a clamping groove; 28. a connecting rod; 29. a hinged seat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution:

a deep foundation pit supporting structure comprises a base 1, wherein the top surface of the base 1 is provided with two through grooves 2 in a symmetrical structure, the through grooves 2 are in a T-shaped structure, the upper part of the inner side of each through groove 2 is provided with a sliding seat 3 in sliding fit with the through groove, the middle part of the top surface of the sliding seat 3 is provided with a screw hole 4, a threaded rod 5 is inserted into the screw hole 4, the bottom surface of the threaded rod 5 is fixedly provided with a pointed end 6, the rear side of the top surface of the sliding seat 3 is hinged with a connecting rod 28, the rear side of the top surface of the base 1 is rotatably connected with a bottom plate 7, the upper end of the front wall of the bottom plate 7 is fixedly provided with a hinged seat 29, the right side of the top surface of the bottom plate 7 is fixedly provided with an inserting block A8, a connecting plate 9 is arranged above the bottom plate 7, the right side of the bottom surface of the connecting plate 9 is provided with an inserting groove A10, a drill rod 16 is inserted into the threaded hole 15, an external thread 17 is arranged on the outer wall of the drill rod 16, a groove 18 is arranged in the middle of the top surface of the top seat 14, and a negative weight 19 is arranged in the groove 18;

the upper end of the right wall of the bottom plate 7 and the upper end of the right wall of the connecting plate 9 are both fixedly provided with a fixing ring 20, a slide rod 21 is inserted into the fixing ring 20, the upper end of the slide rod 21 penetrates through the fixing ring 20 to extend to the upper part and is welded with a clamping block 22, and a compression spring 23 is sleeved on the outer side of the slide rod 21 relative to the position below the fixing ring 20;

roof

12 and 9 right side walls lower extremes of connecting plate all have set firmly and have connected cap 24, connect cap 24 bottom surface middle part and seted up square hole 25, and the turn trough 26 has been seted up to square hole 25 top surface, and the turn trough 26 is the cylindrical structure that highly is the same with joint piece 22, and the position of the relative square hole 25 front and back both sides in turn trough 26 bottom surface is symmetrical structure and has seted up two joint grooves 27.

Specifically, the insertion block A8 and the insertion groove a10 are both T-shaped structures, the insertion block A8 is in insertion fit with the insertion groove a10, the insertion block B11 and the insertion groove B13 are both T-shaped structures, the insertion block B11 is in insertion fit with the insertion groove B13, the connection plate 9 can be preliminarily connected with the connection plate by using the insertion block B11 along the insertion groove B13 on the lower side of the top plate 12, and the bottom plate 7 and the connection plate 9 can be fixedly connected with the insertion groove a10 through the insertion block A8 in the same method.

Furthermore, the rear end of the connecting rod 28 is hinged to the middle of the front wall of the hinged seat 29, the screw hole 4 is in threaded connection with the threaded rod 5, the threaded hole 15 is in threaded connection with the external thread 17, the included angle between the bottom plate 7 and the base 1 is adjusted according to the angle of the side wall of the foundation pit, the connecting rod 28 can drive the sliding seat 3 to slide to a proper position in the through groove 2, and the threaded rod 5 and the tip 6 at the lower end of the threaded rod are used for enabling the sliding seat 3 to be connected and fixed with the bottom of the foundation pit, so that the base 1 can be fixed.

Furthermore, the bottom surface of the negative weight 19 is in sliding contact with the bottom surface of the groove 18, the negative weight 19 is placed on the top seat 14 along the groove, downward pressure is given to the top seat 14, and the fit between the top seat 14 and the ground is further enhanced.

Still further, the outer wall of the sliding rod 21 is in sliding fit with the inner wall of the fixing ring 20, and the sliding rod 21 can be pushed upwards along the inside of the fixing ring 20.

It is worth introducing that, the joint block 22 is inserted and matched with the square hole 25, the diameter of the rotary groove 26 is the same as the diagonal distance of the top surface of the joint block 22, the top surface and the bottom surface of the joint block 22 are respectively in sliding contact with the top surface and the bottom surface of the rotary groove 26, the joint block 22 is engaged and matched with the joint groove 27, the slide rod 21 is pushed upwards along the inside of the fixing ring 20, the compression spring 23 is contracted along with the upward pushing of the slide rod 21, the joint block 22 at the upper end of the slide rod 21 is inserted and connected with the square hole 25, the slide rod 21 is rotated when the joint block 22 is inserted to the top of the square hole 25, the slide rod 21 drives the joint block 22 to rotate in the rotary groove 26, after 90 degrees of rotation, the slide rod 21 is released, the joint block 22 is fully engaged and matched with the joint groove 27 under the resilience force of.

The working principle is as follows: the parts of the device are transported to the side of a foundation pit needing to be provided with a supporting structure by using an external carrier, then the top seat 14 is firstly placed at a position close to the edge, the top plate 12 is enabled to fall down from the side wall of the foundation pit, then the external thread 17 on the outer wall of the drill rod 16 is utilized to connect the drill rod with the threaded hole 15, the lower end of the drill rod 16 is enabled to be drilled into the ground, the top seat 14 is fully connected and fixed with the ground, after the fixing is finished, the negative weight 19 is placed on the top seat 14 along the groove, downward pressure is given to the top seat 14, the attachment between the top seat 14 and the ground is further enhanced, then the connecting plate 9 is primarily connected with the connecting plate by using the inserting block B11 along the inserting groove B13 on the lower side of the top plate 12, the slide rod 21 is pushed upwards along the inside of the fixing ring 20, the compression spring 23 is pushed to shrink along with the upward pushing of the slide rod 21, the inserting block 22 at, the sliding rod 21 can drive the clamping block 22 to rotate in the rotating groove 26, the sliding rod 21 is released after rotating for 90 degrees, the clamping block 22 and the clamping groove 27 are fully clamped and matched under the resilience force of the compression spring 23, so that the connection tightness between the connecting plate 9 and the top plate 12 is increased, then the height of the device is prolonged by selecting a proper amount of the connecting plate 9, the effect of adapting to the depth of the foundation pit is achieved, the middle part is connected, then the bottom plate 7 and the connecting plate 9 are connected and fixed with the inserting groove A10 through the inserting block A8 in the same method, finally, the included angle between the bottom plate 7 and the base 1 is adjusted according to the angle of the side wall of the foundation pit, the connecting rod 28 can drive the sliding seat 3 to slide to a proper position in the through groove 2, and then the sliding seat 3 and the bottom of the foundation pit are connected and fixed by the threaded rod 5 and the tip 6 at the lower end.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a deep basal pit supporting construction, includes base (1), its characterized in that: the top surface of the base (1) is symmetrically provided with two through grooves (2), the through grooves (2) are of a T-shaped structure, the upper part of the inner side of each through groove (2) is provided with a sliding seat (3) in sliding fit with the through grooves, the middle part of the top surface of each sliding seat (3) is provided with a screw hole (4), a threaded rod (5) is inserted into each screw hole (4), the bottom surface of each threaded rod (5) is fixedly provided with a tip (6), the rear side of the top surface of each sliding seat (3) is hinged with a connecting rod (28), the rear side of the top surface of the base (1) is rotatably connected with a bottom plate (7), the upper end of the front wall of the bottom plate (7) is fixedly provided with a hinged seat (29), the right side of the top surface of the bottom plate (7) is fixedly provided with an inserting block A (8), a connecting plate (9) is arranged above the bottom plate (7), the right side, a top plate (12) is arranged above the connecting plate (9), an inserting groove B (13) is formed in the right side of the bottom surface of the top plate (12), a top seat (14) is rotatably connected to the upper end of the top plate (12), two symmetrical threaded holes (15) are formed in two sides of the top surface of the top seat (14) respectively, a drill rod (16) is inserted into each threaded hole (15), an external thread (17) is formed in the outer wall of the drill rod (16), a groove (18) is formed in the middle of the top surface of the top seat (14), and a negative weight block (19) is arranged in each groove (;

the upper end of the right wall of the bottom plate (7) and the upper end of the right wall of the connecting plate (9) are both fixedly provided with a fixing ring (20), a sliding rod (21) is inserted into the fixing ring (20), the upper end of the sliding rod (21) penetrates through the fixing ring (20) to extend to the upper part and is welded with a clamping block (22), and a compression spring (23) is sleeved at the outer side of the sliding rod (21) relative to the position below the fixing ring (20);

roof (12) and connecting plate (9) right side wall lower extreme all have set firmly and have connected cap (24), square hole (25) have been seted up at connection cap (24) bottom surface middle part, rotary groove (26) have been seted up to square hole (25) top surface, rotary groove (26) are the cylindrical structure that highly is the same with joint piece (22), the position of both sides is symmetrical structure around rotary groove (26) the relative square hole of bottom surface (25) has seted up two joint grooves (27).

2. A deep foundation pit supporting construction according to claim 1, wherein: the plug block A (8) and the plug groove A (10) are both of T-shaped structures, the plug block A (8) is in plug fit with the plug groove A (10), the plug block B (11) and the plug groove B (13) are both of T-shaped structures, and the plug block B (11) is in plug fit with the plug groove B (13).

3. A deep foundation pit supporting construction according to claim 1, wherein: connecting rod (28) rear end is articulated with articulated seat (29) antetheca middle part, screw (4) and threaded rod (5) threaded connection, screw hole (15) and external screw thread (17) threaded connection.

4. A deep foundation pit supporting construction according to claim 1, wherein: the bottom surface of the negative weight (19) is in sliding contact with the bottom surface of the groove (18).

5. A deep foundation pit supporting construction according to claim 1, wherein: the outer wall of the sliding rod (21) is in sliding fit with the inner wall of the fixing ring (20).

6. A deep foundation pit supporting construction according to claim 1, wherein: joint piece (22) and square hole (25) cooperation of pegging graft, rotating groove (26) diameter size is the same with joint piece (22) top surface diagonal angle interval size, joint piece (22) top surface and bottom surface respectively with rotating groove (26) top surface and bottom surface sliding contact, joint piece (22) and joint groove (27) joint cooperation.