CN210368986U

CN210368986U - Foundation pit supporting pile supporting structure

Info

Publication number: CN210368986U
Application number: CN201921118840.2U
Authority: CN
Inventors: 郭国军; 詹林松; 金钱; 赵明
Original assignee: Hubei Litong Geotechnical Engineering Co Ltd
Current assignee: Hubei Litong Geotechnical Engineering Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-21
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a foundation ditch fender pile supporting construction, relate to the technical field of excavation supporting engineering, it is including setting up a plurality of fender pile bodies in foundation ditch side slope border department, the hat roof beam of direction of arranging along a plurality of fender pile bodies has been pour jointly to a plurality of fender pile body upper ends, one side that fender pile body upper end is close to the foundation ditch middle part articulates there is main bearing diagonal, be provided with a plurality of brace tables on the foundation ditch hole bottom, it is provided with the supporting seat to slide to prop up the supporting bench up end, main bearing diagonal articulates and connects in the supporting seat upper end, be provided with the drive arrangement that is used for driving the supporting seat along the direction of the hat roof beam that the perpendicular to closes on to slide on the brace table, a plurality of ground anchors are worn to be equipped with to the supporting bench up end, it still is provided with vice bearing diagonal between one side that prop. The utility model discloses a drive arrangement drive supporting seat slides on a supporting bench in order to change the main bearing diagonal and the contained angle between the fender pile body, realizes the effective support of main bearing diagonal to the fender pile body.

Description

Foundation pit supporting pile supporting structure

Technical Field

The utility model belongs to the technical field of the technique of excavation supporting engineering and specifically relates to a foundation ditch fender pile supporting construction is related to.

Background

The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. The foundation pit supporting structure system generally comprises two parts, namely a soil retaining structure and a precipitation and water stopping system. The pile and wall type supporting structure usually adopts steel sheet piles, reinforced concrete sheet piles, column type cast-in-place piles, underground continuous walls and the like, can be designed to be cantilever type, inner support type or anchor pull type according to soil conditions and foundation pit scale, and the gravity type supporting structure mostly adopts cement soil mixing pile retaining walls, soil nailing walls and the like. When the inner supporting structure needs to be dismantled after the foundation pit construction is completed, the inner supporting structure can only be cut or blasted, so that the waste of raw materials of the inner supporting structure is caused, and the construction cost is also increased.

To the above-mentioned problem, chinese patent with patent publication No. CN207904931U, turnover formula foundation ditch slope stable support device has been proposed, including a fender pile, a supporting beam and a supporting basis, the fender pile hugs closely the setting of foundation ditch inside wall, the supporting basis sets up on the foundation ditch bottom surface, a fender pile is connected to supporting beam one end, other end connection supporting basis, set up several inclined strut member on a fender pile from bottom to top, inclined strut member is connected with the upper portion of a supporting beam, set up the end support member of pouring with an organic whole on the supporting basis, the bottom of a supporting beam sets up on end support member, still set up the several perforation on the supporting basis, set up the fixed stock who suits with it on the perforation. The utility model discloses a can strengthen the stability of foundation ditch side slope effectively, solve the unstable technical problem of job site deep basal pit lopsidedness, it is more convenient to install and dismantle, and construction process is simple, economical and practical, thereby can have enough to meet the need the continuous utilization and practice thrift engineering cost.

The above prior art solutions have the following drawbacks: support tight support to a fender pile rethread bearing diagonal piece behind the installation support basis, the angle between bearing diagonal and the fender pile can not be adjusted to can't ensure that the bearing diagonal has played the actual supporting role to a fender pile, make strutting arrangement's overall structure firm inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can adjust foundation ditch fender pile supporting construction at bearing diagonal inclination in a flexible way.

The utility model aims at realizing through the following technical scheme:

the utility model provides a foundation pit fender pile supporting construction, is including setting up a plurality of fender pile bodies in foundation pit side slope edgewise department, and is a plurality of the fender pile body upper end is pour jointly along a plurality of the hat roof beam of the direction of arranging of fender pile body, one side that fender pile body upper end is close to the foundation pit middle part articulates there is main bearing diagonal, is provided with a plurality of brace tables at the foundation pit bottom of hole, the up end of brace table slides and is provided with the supporting seat, main bearing diagonal articulates and connects the supporting seat upper end, be provided with on the brace table and be used for the drive the supporting seat closes on along the perpendicular to the drive arrangement that the direction of hat roof beam slided, a plurality of earth anchors are worn to be equipped with to the brace table up end, fender pile body middle part with still be provided with vice bearing diagonal between one side that the brace table deviates.

By adopting the technical scheme, after the supporting pile body and the crown beam are poured, the slope layer of the foundation pit side slope is supported by the plurality of supporting piles so as to prevent the collapse of the foundation pit side slope during pit bottom construction in the foundation pit as far as possible, a supporting table is arranged at a proper position on the bottom of the foundation pit, and the supporting tables are fixed by the plurality of ground anchors, so that the supporting tables can be firmly fixed at the bottom of the foundation pit without sliding, a main inclined support is arranged between the upper end part of the supporting pile body and a close supporting seat, the position of the supporting seat on the supporting table is adjusted by a driving device, so that the included angle between the main inclined support and the supporting pile body can be flexibly adjusted, the main inclined support can be effectively abutted between the supporting pile body and the supporting seat, effective and stable support is provided for the supporting pile body, and further support is also provided for the supporting pile body by the arrangement of the auxiliary inclined support.

Further setting the following steps: the supporting seat is in including sliding the setting the bottom plate of brace table up end, the vertical rigid coupling in middle part of bottom plate has the backup plate, the bottom plate with the backup plate is along closing on the equal common rigid coupling in both sides of crown beam length direction has the backplate, the backplate is located one side that the backup plate deviates from the foundation ditch middle part, two wear to be equipped with between the backplate and run through the fixed rod of main bearing diagonal.

Through adopting above-mentioned technical scheme, main bearing diagonal one end butt is on bottom plate and backup plate, and the backplate then consolidates bottom plate and backup plate, and main bearing diagonal rotates at the bull stick perisporium simultaneously for main bearing diagonal is more stable with being connected of supporting seat.

Further setting the following steps: one side of the backup plate far away from the guard plate is fixedly connected with a plurality of reinforcing plates fixedly connected with the bottom plate.

Through adopting above-mentioned technical scheme, the reinforcing plate further consolidates the connection of backup plate and backplate, has improved the firm support performance of supporting seat to main bearing diagonal.

Further setting the following steps: the driving device comprises a sliding groove which is formed in the upper end face of the supporting table, the sliding groove is orthogonal to the top beam and close to the top beam, the bottom plate is matched with the sliding groove in a sliding mode, a jack is fixedly connected to the wall of the groove, close to the middle of the foundation pit, of the side of the sliding groove, and the jacking end of the jack is abutted to the backup plate.

Through adopting above-mentioned technical scheme, main bearing diagonal installation is accomplished the back, starts the jack and makes the jacking end of jack drive the bottom plate and slide in the spout to change the contained angle between main bearing diagonal and the fender pile body, and then make main bearing diagonal can effectively support the fender pile body.

Further setting the following steps: the jacking end part of the jack is further fixedly connected with a clamping plate with an L-shaped cross section, the horizontal section of the clamping plate points to the adjacent supporting pile body, and the horizontal section of the clamping plate is further provided with a U-shaped notch.

Through adopting above-mentioned technical scheme, the cardboard of "L" font can prevent to a certain extent that the supporting seat from receiving reaction force too big and taking place the upset when supporting main bearing diagonal to the notch set up then be convenient for main bearing diagonal and backup plate between contained angle change for main bearing diagonal provide accomodate and guard action.

Further setting the following steps: one side of the supporting platform, which deviates from the middle part of the foundation pit, is provided with a sliding plate in a lifting mode, one end of the auxiliary inclined support is hinged to the middle part of the supporting pile body close to the supporting pile, and the other end of the auxiliary inclined support is hinged to the sliding plate.

Through adopting above-mentioned technical scheme, vice bearing diagonal is when supporting the middle part of the pillar pile that closes on, through changing the slide on vertical position, also can change vice bearing diagonal and close on the contained angle between the fender pile body to can make vice bearing diagonal support can support the middle part of fender pile body tightly.

Further setting the following steps: the supporting table is close to a sliding seat in a shape like a Chinese character kou is fixedly connected to one side of the sliding plate, the sliding plate is matched with the sliding seat in a sliding mode, a screw rod is connected to the upper end face of the sliding seat and the middle of the lower end face of the sliding seat in a rotating mode, the screw rod penetrates through the sliding plate in a vertical threaded mode, and a rotating ring is fixedly connected to the upper end portion of the screw rod.

Through adopting above-mentioned technical scheme, it is rotatory to rotate the swivel and drive the screw rod, and the screw rod drives the slide and slides along rising in the slide when rotatory to realized vice bearing diagonal and close on the convenient adjustment of contained angle between the fender pile body.

Further setting the following steps: the supporting platform is provided with through holes along the side wall close to the length direction of the crown beam in a penetrating manner, and a plurality of connecting columns are arranged in the through holes in a penetrating manner.

Through adopting above-mentioned technical scheme, the spliced pole is pegged graft and is linked into a whole with a plurality of brace tables in the perforation of a plurality of brace tables to further improved the support performance of brace table to main bearing diagonal and vice bearing diagonal, and then improved the support performance of supporting construction to the foundation ditch side slope.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the driving device drives the supporting seat to slide on the supporting platform, the included angle between the main inclined support and the supporting pile body can be flexibly adjusted, so that the main inclined support can be effectively and tightly abutted between the supporting pile body and the supporting seat, and effective and stable support is provided for the supporting pile body;

2. the clamping plate can prevent the supporting seat from overturning due to overlarge reaction force when supporting the main inclined support to a certain extent, and the notch is arranged to facilitate the storage and protection effect on the main inclined support when the included angle between the main inclined support and the backup plate is changed;

3. the sliding plate can slide in the sliding seat along the upper edge in a lifting manner by rotating the rotating ring, so that the auxiliary inclined support is conveniently adjusted to the included angle between the adjacent supporting pile bodies.

Drawings

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

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

fig. 3 is a schematic structural diagram of the support table, the support seat, the driving device, the through hole, the main diagonal brace, the auxiliary diagonal brace, the slide plate, the screw rod and the swivel of the present invention.

Reference numerals: 1. supporting a pile body; 2. a crown beam; 3. a main diagonal bracing; 4. a support table; 5. a supporting seat; 6. a ground anchor; 7. a secondary diagonal bracing; 8. a base plate; 9. a backup plate; 10. a guard plate; 11. fixing a rod; 12. a reinforcing plate; 13. a chute; 14. a jack; 15. clamping a plate; 16. a notch; 17. a slide plate; 18. a slide base; 19. a screw; 20. rotating the ring; 21. perforating; 22. connecting columns.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a foundation pit supporting pile supporting structure, which comprises a plurality of supporting pile bodies 1 which are inserted at the edge of a foundation pit slope and are distributed at equal intervals, a crown beam 2 along the arrangement direction of the supporting pile bodies 1 is jointly poured at the upper ends of the supporting pile bodies 1, the crown beam 2 is integrally in a closed shape like a Chinese character kou, a main inclined strut 3 is hinged on the side wall of the upper end part of the supporting pile body 1 close to the middle part of the foundation pit, the main inclined strut 3 is made by pouring retarded soil in a circular tube, a plurality of rectangular supporting tables 4 are arranged on the bottom of the foundation pit, the long edge of each supporting table 4 is orthogonal to the length direction of the adjacent crown beam 2, a supporting seat 5 is arranged on the upper end surface of each supporting table 4 in a sliding way, one end of the main inclined strut 3 far away from the adjacent supporting pile body 1 is hinged and connected to the upper end of the supporting seat 5, a driving device for driving the supporting seat 5 to slide, a plurality of earth anchors 6 are worn to be equipped with in the four corners department of brace table 4 up end, and brace table 4 runs through along 4 width direction's of brace table lateral wall and has seted up square perforation 21, and perforation 21 is located the one end that brace table 4 is close to the foundation ditch middle part, wears to be equipped with spliced pole 22 in a plurality of perforation 21 jointly, and spliced pole 22 is the I-steel, welded connection between two adjacent spliced poles 22.

After the supporting pile body 1 and the crown beam 2 are poured, a plurality of supporting piles support the slope layer of the foundation pit side slope to prevent collapse of the foundation pit side slope during foundation pit bottom construction in the foundation pit as far as possible, then a supporting table 4 is arranged at a proper position on the foundation pit bottom, a plurality of supporting tables 4 are sequentially connected into a whole after a connecting column 22 penetrates through holes 21 in the plurality of supporting tables 4, the connecting column 22 made of I-shaped steel has strong bending resistance, the supporting performance of the supporting table 4 on the main diagonal brace 3 is improved, and then the supporting table 4 is fixed through four ground anchors 6, so that the supporting table 4 can be firmly fixed at the bottom of the foundation pit without sliding, and the stable support of the supporting table 4 on the main diagonal brace 3 is further improved; set up main bearing diagonal 3 again between a fender pile body 1 upper end and the supporting seat 5 that closes on to adjust the position of supporting seat 5 on a supporting bench 4 through drive arrangement, so that the contained angle between main bearing diagonal 3 and the fender pile body 1 can be adjusted in a flexible way, makes main bearing diagonal 3 can effectively support tightly between fender pile body 1 and supporting seat 5, thereby provides effective and firm support for a fender pile body 1.

Referring to fig. 3, the supporting seat 5 comprises a bottom plate 8 which is slidably arranged on the upper end surface of the supporting table 4, a backup plate 9 is fixedly connected to the middle of the bottom plate 8 vertically and integrally, triangular guard plates 10 are fixedly connected to both sides of the bottom plate 8 and the backup plate 9 along the width direction of the supporting table 4, the guard plates 10 are located on one side, away from the middle of the foundation pit, of the backup plate 9, a fixed rod 11 penetrating through the main diagonal support 3 is arranged between the two guard plates 10 in a penetrating mode, one end, close to the supporting table 4, of the main diagonal support 3 is abutted to the backup plate 9 and the bottom plate 8, and a plurality of triangular reinforcing plates 12 which are fixedly connected with the bottom plate 8; drive arrangement is including offering the spout 13 that sets up along 4 length direction of brace table of edge at 4 up end of brace table, bottom plate 8 and spout 13 adaptation that slides, the rigid coupling has jack 14 on the spout 13 is close to one side cell wall at foundation ditch middle part, jack 14's jacking end tip rigid coupling has the cross section to be the cardboard 15 of "L" font, the directional fender pile body 1 that closes on of horizontal segment of cardboard 15 and set up the notch 16 of "U" font, cardboard 15 vertical section and backup plate 9 support tightly.

After the main inclined strut 3 is installed, one end of the main inclined strut 3 close to the support platform 4 abuts against the upper end face of the bottom plate 8 and one side of the backup plate 9 close to the fender pile body 1 (shown in fig. 1), the protection plate 10 reinforces the bottom plate 8 and the backup plate 9, meanwhile, the main inclined strut 3 rotates on the circumferential wall of the rotating rod, so that the connection between the main inclined strut 3 and the support seat 5 is more stable, the connection between the backup plate 9 and the protection plate 10 is further reinforced by the reinforcing plate 12, and the stable supporting performance of the support seat 5 on the main inclined strut 3 is improved; start jack 14 afterwards and make the jacking end of jack 14 drive bottom plate 8 and slide in spout 13 to change the contained angle between main bearing diagonal 3 and the fender pile body 1, and then make main bearing diagonal 3 support tightly with a fender pile body 1 and effectively support a fender pile body 1, cardboard 15 of L "font can prevent to a certain extent that supporting seat 5 from receiving the reaction force too big and taking place the upset when supporting main bearing diagonal 3, the setting of notch 16 then is convenient for provide when changing the contained angle between main bearing diagonal 3 and the backup plate 9 and accomodate and guard action for main bearing diagonal 3.

The one side lift that the brace table 4 deviates from the foundation ditch middle part is provided with slide 17, still be provided with vice bearing diagonal 7 between slide 17 and the adjacent fender pile body 1 middle part, the articulated connection of 7 one end of vice bearing diagonal is at the fender pile body 1 (as shown in fig. 1) middle part that closes on, the articulated connection of other end is on the lateral wall that slide 17 deviates from brace table 4, one side rigid coupling that brace table 4 is close to slide 17 has the slide 18 of "mouth" font, slide 17 and the interior adaptation that slides of sliding 18, the up end of slide 18 and the middle part of lower terminal surface rotate jointly and are connected with screw rod 19, the vertical screw thread of screw rod 19 runs through slide 17, the upper end rigid coupling of screw rod 19 has swivel 20.

Vice bearing diagonal 7 is when supporting the middle part of the pillar stake that closes on, it is rotatory to rotate swivel 20 and drive screw rod 19, screw rod 19 drives slide 17 and slides along rising in slide 18 when rotatory, thereby realized to vice bearing diagonal 7 and close on the convenient adjustment of contained angle between the fender pile body 1, thereby can make vice bearing diagonal 7 can support the middle part of a fender pile body 1 tightly, further strengthened the stability of a fender pile body 1 when strutting the foundation ditch side slope.

The implementation principle and the beneficial effects of the embodiment are as follows:

after the support pile body 1 and the crown beam 2 are poured, a plurality of support piles support the slope layer of the foundation pit side slope to prevent the collapse of the foundation pit side slope during the construction of the pit bottom in the foundation pit as much as possible, a support table 4 is arranged at a proper position on the pit bottom of the foundation pit, a plurality of ground anchors 6 are used for fixing, so that the support table 4 can be firmly fixed at the bottom of the foundation pit without sliding, a main inclined support 3 is arranged between the upper end part of the support pile body 1 and the adjacent support base 5, a backup plate 9 is pushed by a jack 14 to drive a bottom plate 8 to slide in a sliding groove 13, so that the included angle between the main inclined strut 3 and the support pile body 1 can be flexibly adjusted, the main inclined strut 3 can effectively support between the support pile body 1 and the support seat 5, thereby providing effective and firm support for the support pile body 1, and the auxiliary inclined strut 7 of the lifting arrangement also provides further firm support for the support pile body 1.

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 fender pile supporting construction which characterized in that: comprises a plurality of supporting pile bodies (1) arranged at the edge of a foundation pit side slope, crown beams (2) arranged along the arrangement direction of the supporting pile bodies (1) are jointly poured at the upper ends of the supporting pile bodies (1), one side of the upper end part of the support pile body (1) close to the middle part of the foundation pit is hinged with a main inclined support (3), a plurality of support tables (4) are arranged on the bottom of the foundation pit, the upper end surface of the supporting platform (4) is provided with a supporting seat (5) in a sliding way, the main inclined support (3) is hinged and connected with the upper end of the supporting seat (5), the supporting platform (4) is provided with a driving device for driving the supporting seat (5) to slide along the direction vertical to the adjacent crown beam (2), a plurality of ground anchors (6) are arranged on the upper end face of the supporting platform (4) in a penetrating mode, and auxiliary inclined supports (7) are further arranged between the middle of the supporting pile body (1) and one side, deviating from the middle of the foundation pit, of the supporting platform (4).

2. The foundation pit support pile supporting structure according to claim 1, characterized in that: supporting seat (5) are including sliding the setting and are in bottom plate (8) of brace table (4) up end, the vertical rigid coupling in middle part of bottom plate (8) has backup plate (9), bottom plate (8) with backup plate (9) are along closing on the equal common rigid coupling in both sides of hat roof beam (2) length direction has backplate (10), backplate (10) are located one side that backup plate (9) deviate from the foundation ditch middle part, two wear to be equipped with between backplate (10) and run through fixed pole (11) of main bearing diagonal (3).

3. The foundation pit support pile supporting structure according to claim 2, characterized in that: one side of the backup plate (9) far away from the guard plate (10) is fixedly connected with a plurality of reinforcing plates (12) which are also fixedly connected with the bottom plate (8).

4. The foundation pit support pile supporting structure according to claim 3, characterized in that: drive arrangement is including seting up spout (13) of brace table (4) up end, spout (13) with close on crown beam (2) are the quadrature and set up, bottom plate (8) with spout (13) adaptation that slides, the rigid coupling has jack (14) on spout (13) one side cell wall near the foundation ditch middle part, the jacking end of jack (14) with backup plate (9) butt.

5. The foundation pit support pile supporting structure according to claim 4, characterized in that: the jacking end part of the jack (14) is further fixedly connected with a clamping plate (15) with an L-shaped cross section, the horizontal section of the clamping plate (15) points to the adjacent supporting pile body (1), and a U-shaped notch (16) is further formed in the horizontal section of the clamping plate (15).

6. The foundation pit support pile supporting structure according to claim 1, characterized in that: one side of the supporting table (4) departing from the middle part of the foundation pit is provided with a sliding plate (17) in a lifting mode, one end of the auxiliary inclined support (7) is hinged to the middle of the supporting pile body (1) close to the supporting pile body, and the other end of the auxiliary inclined support is hinged to the sliding plate (17).

7. The foundation pit support pile supporting structure according to claim 6, characterized in that: support table (4) are close to one side rigid coupling of slide (17) has slide (18) of "mouth" font, slide (17) with the interior adaptation of sliding of edge of slide (18), the up end of slide (17) and the middle part of lower terminal surface rotate jointly and are connected with screw rod (19), screw rod (19) screw thread runs through slide (17), the upper end rigid coupling of screw rod (19) has swivel (20).

8. The foundation pit support pile supporting structure according to claim 1, characterized in that: the supporting table (4) is provided with through holes (21) along the side wall close to the crown beam (2) in the length direction in a penetrating mode, and a connecting column (22) penetrates through the through holes (21) jointly.