CN220246945U - Pit combined type diagonal bracing supporting structure - Google Patents

Abstract

The utility model relates to a field that foundation ditch was strutted especially relates to a pit combination formula bracing supporting structure, and it includes crown beam, supporting beam, a plurality of stand stake and diagonal brace stake, a plurality of the lateral wall of stand stake is connected on supporting beam, and is adjacent two set up an diagonal brace stake between the stand stake, be the row setting after stand stake and diagonal brace stake are crisscross, the upper portion and the supporting beam butt of diagonal brace stake, the stake top and the crown beam of stand stake and diagonal brace stake are fixed, the pile bottom of diagonal brace stake is fixed in the foundation ditch through the mode of slip casting. The application has the effects of meeting pit supporting requirements and facilitating subsequent earth excavation work.

Description

Pit combined type diagonal bracing supporting structure

Technical Field

The application relates to the field of foundation pit support, in particular to a pit combined type inclined support structure.

Background

The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and is used for supporting, reinforcing and other protective measures for the side wall of the foundation pit and the surrounding environment.

In the construction process, single-row piles or double-row piles of the upright columns are usually adopted to support the foundation pit, and when the excavation area in the foundation pit is large and deep, the single-row piles are difficult to support and are difficult to meet the requirements of deep foundation pit support, so that horizontal reinforced concrete supports are usually required to be added in the foundation pit. However, the construction of the horizontal reinforced concrete support in the deeper foundation pit occupies large installation space, which is not beneficial to the subsequent machine to perform the work such as earth excavation and the like in the foundation pit. Therefore, a supporting structure which can meet the requirements of pit supporting and is convenient for the follow-up earth excavation work is needed.

Disclosure of Invention

In order to not only meet pit supporting requirements, but also facilitate subsequent earth excavation work, the application provides a pit combined type inclined supporting structure.

The application provides a pit combined type bracing supporting structure adopts following technical scheme:

the utility model provides a pit combination formula bracing supporting construction, includes crown beam, supporting beam, a plurality of stand stake and diagonal bracing stake, a plurality of the lateral wall of stand stake is connected on supporting beam, and two is adjacent set up an diagonal bracing stake between the stand stake, be the row setting after stand stake and diagonal bracing stake are crisscross, the upper portion and the supporting beam butt of diagonal bracing stake, the stake top and the crown beam of stand stake and diagonal bracing stake are fixed, the pile bottom of diagonal bracing stake is fixed in the foundation ditch through the mode of slip casting.

By adopting the technical scheme, the inclined strut piles and the upright piles are crossed and constructed in rows, the construction period of the traditional support is saved, the inclined strut piles are fixedly pressed into the foundation soil body, grouting is carried out on the pile bottoms of the inclined strut piles, the inclined strut piles are solidified and fixed in the foundation pit, and finally, the crown beams are poured on the upright pile and the pile tops of the inclined strut piles, so that the support structure is formed, the triangular structure of the inclined strut piles has good stability, the upright pile is matched with the upright pile to obtain the longitudinal support force, the triangular stable support structure for jointly resisting the soil pressure outside the foundation pit by the upright pile, the inclined strut piles and the foundation soil body is finally formed, and the bearing capacity of the support structure on the foundation pit soil is improved; compared with the traditional horizontal reinforced concrete support, the diagonal bracing pile occupies small space, so that the pit support requirement can be met, the follow-up earthwork excavation work is not easily affected, and the construction efficiency is improved.

Optionally, the device further comprises an angle adjusting mechanism for adjusting the inclination angle of the diagonal bracing piles, each diagonal bracing pile corresponds to one angle adjusting mechanism, and the angle adjusting mechanism comprises a first adjusting component which is arranged between two adjacent upright posts in a lifting manner;

the first adjusting assembly comprises a first supporting seat and a first supporting roller, the first supporting seat is arranged between two adjacent upright posts in a sliding manner, the first supporting roller is rotationally connected with the first supporting seat, and the peripheral side wall of the first supporting roller is in butt joint with the diagonal bracing posts;

the first adjusting component is provided with a positioning component for fixing the first adjusting component.

By adopting the technical scheme, the inclined pile is fixed with the inclination angle through the support at the support beam and the support at the first adjusting component, and the first adjusting component is fixed through the positioning component when the first adjusting component is moved to a proper position because the inclination angles of the inclined pile with different foundation pit depths are different; when the inclined support pile is pressed into the base soil body in a static mode, due to the fact that the peripheral side wall of the first supporting roller is in butt joint with the inclined support pile, sliding friction between the inclined support pile and the first supporting seat is changed into rolling friction, damage to the inclined support pile and the first adjusting component is reduced, and smoothness of pile descending of the inclined support pile is improved.

Optionally, the angle adjustment mechanism still includes second adjusting part, second adjusting part sets up on supporting beam, diagonal brace stake and supporting beam pass through second adjusting part butt, second adjusting part includes second supporting seat and second backing roll, second backing roll and second supporting seat rotate to be connected, the week lateral wall and the diagonal brace stake butt of second backing roll.

Through adopting above-mentioned technical scheme, when static impressing the bracing stake in the base soil body for sliding friction between bracing stake and the supporting beam becomes rolling friction, has reduced the damage to bracing stake and supporting beam, has further improved the smoothness nature of stake under the bracing stake.

Optionally, the positioning assembly comprises a positioning rod and a positioning sleeve, the positioning rod is fixedly arranged on the first supporting seat, and the positioning sleeve is positioned at two ends of the positioning rod and is in threaded connection with two ends of the positioning rod;

the first supporting seat comprises a bottom plate and side plates, the side plates are connected to the two ends of the bottom plate in a sliding mode, the side plates are connected with the bearing plates through connecting pieces, and one side, away from each other, of the positioning sleeve is abutted to one side, close to each other, of the side plates.

Through adopting above-mentioned technical scheme, rotate the spacer bush at locating lever both ends respectively for the spacer bush slides towards the direction of keeping away from each other, drives the curb plate and slides towards the direction of keeping away from each other, makes the curb plate tightly support on the lateral wall of stand stake, can make first adjusting part remove the back and be fixed in between two adjacent stand stakes, passes through concrete grouting with the bracing stake fixed back, rotates the spacer bush to break away from the butt with the curb plate, slides the curb plate again to break away from the butt with the stand stake, not only can slide first slip subassembly from top to bottom again, still can pull down cyclic utilization with first adjusting part from the stand stake, practices thrift the environmental protection.

Optionally, the connecting piece is the forked tail piece, offer the gliding dovetail of confession forked tail piece on the bottom plate.

Through adopting above-mentioned technical scheme, the forked tail piece slides in the dovetail, has not only connected bottom plate and curb plate, still provides the direction spacing for the slip of curb plate on the bottom plate.

Optionally, the middle of bottom plate length direction is provided with the fixed plate, the locating lever passes the fixed plate and with fixed plate fixed connection, be provided with the spring on the first supporting seat, the one end and the curb plate one side that are close to each other of spring are connected, the one side and the fixed plate connection of curb plate are kept away from to the spring.

Through adopting above-mentioned technical scheme, rotate the spacer sleeve to when the direction of keeping away from each other slides towards, the curb plate is slided towards the direction of keeping away from each other after, and the spring is stretched, rotates the spacer sleeve when the direction of being close to each other slides towards, spacer sleeve and curb plate break away from the butt, and the spring is for retrieving the original state, drives the automatic direction of being close to each other of curb plate and slides to normal position, need not manual slip curb plate and breaks away from the butt stand stake, simple operation.

Optionally, two adjacent stand piles are provided with spacing on the one side that is close to each other locally, the lateral wall and the stand contact at bottom plate length direction both ends, two spacing are respectively corresponding to each end of bottom plate length direction, two spacing at each end of bottom plate length direction are located bottom plate width direction's both sides, the lateral wall and the one side contact that is close to each other of spacing both sides of bottom plate width direction.

Through adopting above-mentioned technical scheme, first supporting seat is put into between two adjacent stand piles from the bottom or the top of spacing, and first supporting seat removes along spacing for spacing provides the direction spacing for first supporting seat.

Optionally, a fixing component is arranged on the diagonal brace pile, the fixing component comprises a first ear plate, a second ear plate, a telescopic rod, a first bolt and a second bolt, the first ear is connected to the upright pile, the second ear plate is connected to two side walls of the diagonal brace pile, which are close to the upright pile, one end of the telescopic rod is abutted to the first ear plate, and the other end of the telescopic rod is abutted to the second ear plate;

the first bolt penetrates through the telescopic rod and the first lug plate and is connected with a first nut in a threaded mode, a screw rod of the first bolt is rotationally connected with the first lug plate, and one faces, far away from the telescopic rod, of the first nut and the first lug plate are abutted;

the second bolt passes through the second lug plate and the telescopic rod, and is connected with a second nut in a threaded manner, the screw rod of the second bolt is rotationally connected with the telescopic rod, and the second nut and the telescopic rod are abutted to one surface of the second lug plate.

By adopting the technical scheme, when the angle of the diagonal bracing pile is required to be adjusted, the first nut is rotated to be separated from the abutting joint with the first lug plate, and the second nut is rotated to be separated from the abutting joint with the telescopic rod, so that the telescopic rod can rotate relative to the upright pile and the diagonal bracing pile; when the angle of the diagonal bracing pile is required to be adjusted and then fixed, the first nut is rotated to be abutted with the first lug plate, and the second nut is rotated to be abutted with the telescopic rod; the telescopic rod is connected with the first lug plate through the first bolt in a rotating manner, and is connected with the second lug plate through the second bolt in a rotating manner, so that the telescopic rod is suitable for rotation and sliding of the diagonal bracing pile, and after the first nut and the second nut are screwed and the telescopic rod is fixed, the angle of the diagonal bracing pile can be adjusted to be pre-fixed, so that the follow-up concrete pouring work can be conveniently unfolded.

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

1. the diagonal bracing piles and the upright piles are crossed and constructed in rows, so that the construction period of the traditional support is saved, the diagonal bracing piles are fixedly pressed into the foundation soil body, grouting is carried out on the pile bottoms of the diagonal bracing piles, the diagonal bracing piles are solidified and fixed in the foundation pit, and finally, the crown beams are poured on the tops of the upright piles and the diagonal bracing piles, so that the support structure is formed, the triangular structure of the diagonal bracing piles is good in stability, the upright piles are matched with the upright piles to obtain the longitudinal supporting force, and finally, the triangular stable support structure of the upright piles, the diagonal bracing piles and the foundation soil body, which jointly resist the soil pressure outside the foundation pit, is formed, and the bearing capacity of the support structure to the foundation pit soil is improved; compared with the traditional horizontal reinforced concrete support, the diagonal bracing pile occupies small space, so that the deep pit support requirement can be met, the follow-up earthwork excavation work is not easily affected, and the construction efficiency is improved;

2. the inclined pile is fixed with an inclination angle through the support at the support beam and the support at the first adjusting component, and the first adjusting component is fixed through the positioning component when the first adjusting component is moved to a proper position because the inclination angles of the inclined pile with different foundation pit depths are different;

3. the telescopic rod is connected with the first lug plate through the first bolt in a rotating manner, and is connected with the second lug plate through the second bolt in a rotating manner, so that the telescopic rod is suitable for rotation and sliding of the diagonal bracing pile, and after the telescopic rod is fixed through tightening of the first nut and the second nut, the angle of the diagonal bracing pile can be pre-fixed after being adjusted, so that the follow-up concrete pouring work can be conveniently unfolded.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a pit combined diagonal bracing structure according to an embodiment of the present application.

Fig. 2 is a schematic structural view for showing the first adjusting assembly in the embodiment of the present application.

FIG. 3 is a schematic diagram of a configuration for illustrating a dovetail block in an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view for showing a second adjustment assembly in an embodiment of the present application.

Fig. 5 is a schematic structural view for showing a fixing assembly in the embodiment of the present application.

Reference numerals illustrate: 1. a crown beam; 2. a support beam; 3. upright post piles; 31. a limit bar; 4. a diagonal bracing pile; 5. a first adjustment assembly; 51. a first support base; 511. a bottom plate; 512. a side plate; 513. dovetail blocks; 514. a dovetail groove; 52. a first backup roll; 6. a second adjustment assembly; 61. a second support base; 62. a second support roller; 7. a positioning assembly; 71. a positioning rod; 72. a positioning sleeve; 73. a fixing plate; 74. a spring; 8. a fixing assembly; 81. a first ear plate; 82. a second ear plate; 83. a telescopic rod; 831. a first rod body; 832. a second rod body; 84. a first bolt; 841. a first nut; 85. a second bolt; 851. a second nut; 9. a kidney-shaped groove; 91. a fixing bolt; 92. and (5) fixing a nut.

Detailed Description

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

The embodiment of the application discloses a pit combined type diagonal bracing supporting structure. Referring to fig. 1, the pit combined type diagonal bracing supporting structure comprises a crown beam 1, a supporting beam 2, a plurality of upright posts 3 and diagonal bracing piles 4, wherein the side walls of the upright posts 3 are fixedly connected to the supporting beam 2 through cast concrete, one diagonal bracing pile 4 is fixedly installed between two adjacent upright posts 3, the upright posts 3 and the diagonal bracing piles 4 are arranged in a row after being staggered, and the diagonal bracing piles 4 and the upright posts 3 are constructed in a row in a crossing way, so that the construction period of traditional support is saved. The upper part of the diagonal bracing pile 4 is abutted with the supporting beam 2, the pile tops of the upright pile 3 and the diagonal bracing pile 4 are fixed with the crown beam 1, and the pile bottoms of the upright pile 3 and the diagonal bracing pile 4 are fixed in the foundation pit in a grouting mode. During construction, the upright post pile 3 is firstly arranged in a substrate soil body, then the supporting beam 2 is poured on the upright post pile 3, the inclined support pile 4 is pressed into the substrate soil body in a static pressure mode, grouting is conducted to the pile bottom of the inclined support pile 4, solidification is conducted, the inclined support pile is fixed in a foundation pit, and finally the crown beam 1 is poured on the tops of the upright post pile 3 and the inclined support pile 4, so that the supporting structure is formed. In this embodiment, the diagonal brace 4 is formed by welding a steel lattice column and a hollow square pile, and the steel lattice column is located at the upper part of the hollow square pile.

The triangular structure of the inclined strut pile 4 has good stability, and is matched with the upright pile 3 to acquire longitudinal supporting force, so that a triangular stable supporting structure which is formed by the upright pile 3, the inclined strut pile 4 and the foundation soil body and resists the soil pressure outside the foundation pit together is formed, and the bearing capacity of the supporting structure to the foundation pit soil is improved; compared with the traditional horizontal reinforced concrete support, the diagonal bracing pile 4 occupies a small space, so that the pit support requirement can be met, the follow-up earthwork excavation work is not easily affected, and the construction efficiency is improved.

Referring to fig. 2 and 3, the pit combined type diagonal bracing support structure further comprises an angle adjusting mechanism for adjusting the inclination angle of the diagonal bracing piles 4, and each diagonal bracing pile 4 corresponds to one angle adjusting mechanism. The angle adjusting mechanism comprises a first adjusting component 5 which is arranged between two adjacent upright posts 3 in a lifting manner, the first adjusting component 5 comprises a first supporting seat 51 and a first supporting roller 52, the first supporting seat 51 is arranged between the two adjacent upright posts 3 in a vertical sliding manner, the first supporting roller 52 is rotationally connected with the first supporting seat 51, and the peripheral side wall of the first supporting roller 52 is in butt joint with the inclined strut post 4. When the inclined support pile 4 is pressed into the base soil body in a static mode, sliding friction between the inclined support pile 4 and the first supporting seat 51 is changed into rolling friction, damage to the inclined support pile 4 and the first adjusting component 5 is reduced, and smoothness of pile discharging of the inclined support pile 4 is improved.

Referring to fig. 2 and 3, the first supporting seat 51 includes a bottom plate 511 and a side plate 512, the side plate 512 is slidably connected to two ends of the bottom plate 511, the side plate 512 is connected to the retaining plate through a connecting piece, the connecting piece is a dovetail block 513, a dovetail groove 514 for sliding the dovetail block 513 is formed in the bottom plate 511, the dovetail block 513 slides in the dovetail groove 514, not only the bottom plate 511 and the side plate 512 are connected, but also guiding and limiting are provided for sliding of the side plate 512 on the bottom plate 511. The two ends of the first support roller 52 are fixedly connected with rotating shafts, the rotating shafts and the first support roller 52 are coaxially arranged, the rotating shafts of the first support roller 52 penetrate through the side plates 512 and are rotationally connected with the side plates 512, and the rotating shafts of the first support roller 52 are also in sliding connection with the side plates 512 so as to adapt to the sliding of the side plates 512.

Referring to fig. 2, the two adjacent posts 3 are partially provided with a stop bar 31 on one side of each post, the side walls of the two ends of the bottom plate 511 are in contact with the posts, each end of the bottom plate 511 in the length direction corresponds to two stop bars 31, the two stop bars 31 of each end of the bottom plate 511 in the length direction are located on two sides of the bottom plate 511 in the width direction, and the side walls of the two sides of the bottom plate 511 in the width direction are in contact with one side of each post, which is close to the stop bars 31. The first supporting seat 51 is placed between two adjacent upright posts 3 from the bottom or the top of the limit strip 31, and the first supporting seat 51 moves up and down along the limit strip 31, so that the limit strip 31 provides guiding limit for the first supporting seat 51.

Referring to fig. 2 and 4, the angle adjusting mechanism further includes a second adjusting assembly 6, the second adjusting assembly 6 is disposed on the supporting beam 2, the diagonal pile 4 and the supporting beam 2 are abutted through the second adjusting assembly 6, the second adjusting assembly 6 includes a second supporting seat 61 and a second supporting roller 62, the second supporting roller 62 is rotatably connected with the second supporting seat 61, and a peripheral side wall of the second supporting roller 62 is abutted with the diagonal pile 4. When the inclined support pile 4 is pressed into the base soil body in a static pressure mode, sliding friction between the inclined support pile 4 and the supporting beam 2 is changed into rolling friction, damage to the inclined support pile 4 and the supporting beam 2 is reduced, and smoothness of pile discharging of the inclined support pile 4 is further improved. The first adjusting component 5 is provided with a positioning component 7 for fixing the first adjusting component 5.

The inclined strut pile 4 is fixed with the inclination through the support of the second adjusting component 6 at the supporting beam 2 and the support of the first adjusting component 5, and the first adjusting component 5 is fixed through the positioning component 7 when the first adjusting component 5 is moved to a proper position because the inclination of the inclined strut pile 4 at different foundation pit depths is different, and the supporting position of the inclined strut pile 4 by the first adjusting component 5 can be changed by sliding the first adjusting component 5 up and down.

Referring to fig. 2, the positioning assembly 7 includes a positioning rod 71 and a positioning sleeve 72, a fixing plate 73 is fixedly installed on the top surface of the bottom plate 511, the fixing plate 73 is positioned in the middle of the bottom plate 511 in the length direction, and the positioning rod 71 passes through the fixing plate 73 and is fixedly connected with the fixing plate 73. The positioning sleeves 72 are located at two ends of the positioning rod 71 and are respectively in threaded connection with two ends of the positioning rod 71, and one surface of the positioning sleeve 72, which is far away from each other, is abutted against one surface of the side plate 512, which is close to each other. A circle of edges are integrally formed on the peripheral side wall of the side, away from each other, of the positioning sleeve 72, so that the contact area between the positioning sleeve 72 and the side plate 512 is increased. The first support seat 51 is provided with a spring 74, one end of the spring 74 is fixedly connected to one side of the side plate 512, and one side of the spring 74 away from the side plate 512 is fixedly connected to both sides of the fixing plate 73 in the thickness direction.

The positioning sleeves 72 at two ends of the positioning rod 71 are respectively rotated, so that the positioning sleeves 72 slide in the directions away from each other, the side plates 512 are driven to slide in the directions away from each other, the side plates 512 are tightly abutted against the side walls of the upright posts 3, namely, the first adjusting component 5 can be fixed between two adjacent upright posts 3 after moving, and the springs 74 are stretched at the moment. After the diagonal brace piles 4 are fixed through concrete grouting, the positioning sleeve 72 is rotated to be separated from the side plates 512, the springs 74 are restored, the side plates 512 are driven to automatically slide to the original positions towards the directions close to each other, the side plates 512 do not need to be manually slid to be separated from the abutting upright post piles 3, and the operation is convenient. Through the mode, the first sliding component can slide up and down again, the first adjusting component 5 can be detached from the upright post pile 3 for recycling, and the method is economical and environment-friendly.

Referring to fig. 5, the diagonal bracing pile 4 is provided with a fixing assembly 8, the fixing assembly 8 being located at the steel lattice column of the diagonal bracing pile 4. The fixing assembly 8 includes a first ear plate 81, a second ear plate 82, a telescopic rod 83, a first bolt 84, and a second bolt 85. The first lug plate 81 is fixedly installed on the upright post pile 3, the second lug plate 82 is fixedly installed on two side walls of the diagonal bracing pile 4, which are close to the upright post pile 3, the telescopic rod 83 comprises a first rod body 831 and a second rod body 832, and the second rod body 832 slides in the first rod body 831. One surface of the first rod body 831 far away from the second ear plate 82 on one end of the second rod body 832 is abutted with the first ear plate 81, and one surface of the second rod body 832 far away from the first ear plate 81 on one end of the first rod body 831 is abutted with the second ear plate 82. The first bolt 84 passes one end of the first rod body 831 far away from the second rod body 832, and the first lug 81 is connected with a first nut 841 in a threaded manner, a nut of the first bolt 84 is fixedly connected with the first rod body 831, a screw rod of the first bolt 84 is rotationally connected with the first lug 81, and after the angle of the diagonal bracing pile 4 is adjusted, the first nut 841 is rotated to be abutted with one surface of the first lug 81 far away from the first rod body 831. The second bolt 85 passes through the second lug 82, the second body 832 is kept away from the one end of first body 831 after threaded connection has second nut 851, the nut and the second lug 82 fixed connection of second bolt 85, the screw rod and the second body 832 of second bolt 85 rotate to be connected, after the angle adjustment of diagonal brace 4 finishes, rotate the second nut 851 to with the one side butt that second body 832 kept away from second lug 82, cooperation first nut 841 and first lug 81 butt, can realize diagonal brace 4's pre-fixation.

The telescopic rod 83 stretches and contracts, the first rod body 831 is rotationally connected with the first lug plate 81 through the first bolt 84, the second rod body 832 is rotationally connected with the second lug plate 82 through the second bolt 85, rotation and sliding of the diagonal bracing pile 4 are adapted, and after the telescopic rod 83 is screwed and fixed by the first nut 841 and the second nut 851, pre-fixing of the diagonal bracing pile 4 after angle adjustment can be achieved, so that the subsequent concrete pouring work can be conveniently unfolded.

Referring to fig. 5, a waist-shaped groove 9 is formed on the first rod 831, and the length of the waist-shaped groove 9 is set according to actual conditions. The fixing bolt 91 is arranged in the kidney-shaped groove 9, the fixing bolt 91 penetrates through the kidney-shaped groove 9 and the second rod body 832 to be connected with the fixing nut 92 in a threaded mode, and one faces, close to each other, of the fixing bolt 91 nuts of the fixing nut 92 are respectively abutted with one faces, far away from each other, of the first rod body 831 so as to achieve fixation after expansion and contraction of the expansion rod 83.

The implementation principle of the pit combined type diagonal bracing supporting structure is as follows: when the support structure is constructed, the upright posts 3 are arranged at intervals in a row, then the supporting beams 2 are poured on the side walls of the upright posts 3 in the row, then the diagonal bracing piles 4 are arranged between the two adjacent upright posts 3, after the inclination angle of the diagonal bracing piles 4 is adjusted to a proper angle through the angle adjusting mechanism, the first nuts 841, the second nuts 851 and the fixing nuts 92 are screwed down to pre-fix the diagonal bracing piles 4, then the equipment for static pressure of the diagonal bracing piles 4 is mounted on the diagonal bracing piles 4, the fixing nuts 92 are unscrewed to enable the telescopic rods 83 to be telescopic, then the diagonal bracing piles 4 are pressed into the foundation soil body, grouting and solidifying are carried out on the pile bottoms of the diagonal bracing piles 4 and are fixed in a foundation pit, and finally the crown beams 1 are poured on the pile tops of the upright posts 3 and the diagonal bracing piles 4, so that the support structure is formed.

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 (7)

1. The utility model provides a pit combination formula bracing supporting construction which characterized in that: the pile foundation structure comprises a crown beam (1), a supporting beam (2), a plurality of upright piles (3) and inclined supporting piles (4), wherein the side walls of the upright piles (3) are connected to the supporting beam (2), one inclined supporting pile (4) is arranged between two adjacent upright piles (3), the upright piles (3) and the inclined supporting piles (4) are arranged in a staggered mode, the upper parts of the inclined supporting piles (4) are abutted to the supporting beam (2), the pile tops of the upright piles (3) and the inclined supporting piles (4) are fixed with the crown beam (1), and the pile bottoms of the inclined supporting piles (4) are fixed in a foundation pit in a grouting mode;

the device further comprises an angle adjusting mechanism for adjusting the inclination angle of the diagonal bracing piles (4), each diagonal bracing pile (4) corresponds to one angle adjusting mechanism, and the angle adjusting mechanism comprises a first adjusting component (5) which is arranged between two adjacent upright piles (3) in a lifting manner;

the first adjusting assembly (5) comprises a first supporting seat (51) and a first supporting roller (52), the first supporting seat (51) is arranged between two adjacent upright posts (3) in a sliding mode, the first supporting roller (52) is rotationally connected with the first supporting seat (51), and the peripheral side wall of the first supporting roller (52) is abutted to the inclined supporting posts (4);

the first adjusting component (5) is provided with a positioning component (7) for fixing the first adjusting component (5).

2. The pit combined type diagonal bracing supporting structure according to claim 1, wherein: the angle adjusting mechanism further comprises a second adjusting component (6), the second adjusting component (6) is arranged on the supporting beam (2), the inclined strut pile (4) and the supporting beam (2) are in butt joint through the second adjusting component (6), the second adjusting component (6) comprises a second supporting seat (61) and a second supporting roller (62), the second supporting roller (62) is connected with the second supporting seat (61) in a rotating mode, and the peripheral side wall of the second supporting roller (62) is in butt joint with the inclined strut pile (4).

3. The pit combined type diagonal bracing supporting structure according to claim 1, wherein: the positioning assembly (7) comprises a positioning rod (71) and a positioning sleeve (72), the positioning rod (71) is fixedly arranged on the first supporting seat (51), and the positioning sleeve (72) is positioned at two ends of the positioning rod (71) and is in threaded connection with two ends of the positioning rod (71);

the first supporting seat (51) comprises a bottom plate (511) and side plates (512), the side plates (512) are connected to two ends of the bottom plate (511) in a sliding mode, the side plates (512) are connected with the bearing plates through connecting pieces, and one far away side of the locating sleeve (72) is abutted to one near side of the side plates (512).

4. A pit combined type diagonal bracing supporting structure according to claim 3, wherein: the connecting piece is a dovetail block (513), and a dovetail groove (514) for sliding the dovetail block (513) is formed in the bottom plate (511).

5. A pit combined type diagonal bracing supporting structure according to claim 3, wherein: the middle of bottom plate (511) length direction is provided with fixed plate (73), locating lever (71) pass fixed plate (73) and with fixed plate (73) fixed connection, be provided with spring (74) on first supporting seat (51), one end and curb plate (512) of spring (74) are close to each other one side and are connected, one side and fixed plate (73) of curb plate (512) are kept away from to spring (74).

6. A pit combined type diagonal bracing supporting structure according to claim 3, wherein: two adjacent stand stake (3) are provided with spacing (31) on the one side that is close to each other locally, the lateral wall and the stand contact at bottom plate (511) length direction both ends, two spacing (31) are respectively corresponding to every end of bottom plate (511) length direction, two spacing (31) at every end of bottom plate (511) length direction are located the both sides of bottom plate (511) width direction, the lateral wall and the one side contact that is close to each other of spacing (31) of bottom plate (511) width direction both sides.

7. The pit combined type diagonal bracing supporting structure according to claim 1, wherein: the telescopic support is characterized in that a fixing assembly (8) is arranged on the diagonal bracing pile (4), the fixing assembly (8) comprises a first lug plate (81), a second lug plate (82), a telescopic rod (83), a first bolt (84) and a second bolt (85), the first lug is connected to the upright pile (3), the second lug plate (82) is connected to two side walls, close to the upright pile (3), of the diagonal bracing pile (4), one end of the telescopic rod (83) is abutted to the first lug plate (81), and the other end of the telescopic rod (83) is abutted to the second lug plate (82);

the first bolt (84) penetrates through the telescopic rod (83) and the first lug plate (81) and is connected with a first nut (841) in a threaded mode, a screw rod of the first bolt (84) is rotationally connected with the first lug plate (81), and one surface, far away from the telescopic rod (83), of the first nut (841) is abutted with one surface, far away from the telescopic rod (81), of the first lug plate (81);

the second bolt (85) penetrates through the second lug plate (82) and the telescopic rod (83) and then is connected with a second nut (851) in a threaded mode, the screw rod of the second bolt (85) is connected with the telescopic rod (83) in a rotating mode, and the second nut (851) and the telescopic rod (83) are far away from one face of the second lug plate (82) and are in butt joint.