CN115369887B - Steel sheet pile supporting system for box culvert foundation pit - Google Patents

Abstract

The utility model relates to a steel sheet pile support system for box culvert foundation ditch, use in the field of foundation ditch support technique, it includes a plurality of steel sheet piles, a plurality of steel sheet piles interconnect forms the steel sheet pile wall, the steel sheet pile wall is along the box culvert foundation ditch week along setting that is used for the construction, still including locating a plurality of main support posts and a plurality of auxiliary support post in the box culvert foundation ditch that is used for the construction, a plurality of main support posts and a plurality of auxiliary support post all support and paste in the steel sheet pile wall setting, a plurality of auxiliary support post intervals are located between two adjacent main support posts, and including supporting pushing away mechanism and diagonal bracing mechanism, it is used for supporting pushing away and supporting to the steel sheet pile wall to support the mechanism, each one side of assisting the support post dorsad steel sheet pile wall all is equipped with diagonal bracing mechanism, diagonal bracing mechanism is used for supporting auxiliary support post and steel sheet pile wall. The application has the effect of reducing the possibility of damage of the steel sheet pile under the extrusion of soil, water and the like outside the box culvert foundation pit.

Description

Steel sheet pile supporting system for box culvert foundation pit

Technical Field

The application relates to the field of foundation pit supporting technology, in particular to a steel sheet pile supporting system for a box culvert foundation pit.

Background

Culverts are drainage tunnels formed below a road surface in order to allow a road to smoothly pass through a canal without impeding traffic in highway engineering construction, and have a tubular shape, a box shape, an arch shape, and the like. The culvert with the body built by reinforced concrete box-shaped pipe joints is called a box culvert. When the box culvert is constructed, in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, supporting, reinforcing and protecting measures are adopted for the side wall of the foundation pit and the surrounding environment temporarily.

In the related art, steel sheet piles can be used for supporting the box culvert foundation pit. The steel sheet pile is a steel section with locking notch, its cross section has the form of straight plate, groove and Z, etc. and has the advantages of high strength, good water-proofing property, etc. it is easy to drive into hard soil layer, and can be repeatedly used. The steel sheet piles are orderly connected to form a steel sheet pile wall, so that the water sealing and soil retaining effects are achieved.

However, when the construction process is long in time consumption, the steel sheet pile is extruded by soil, water and the like outside the box culvert foundation pit for a long time, the situation that damage is easy to occur, and the external soil or water enters the box culvert foundation pit, so that the construction is interfered.

Disclosure of Invention

In order to improve the problem that the steel sheet pile receives the extrusion of the earth around the box culvert foundation ditch for a long time, the condition of easy deformation damage appears, this application provides a steel sheet pile support system for box culvert foundation ditch.

The application provides a steel sheet pile support system for box culvert foundation ditch adopts following technical scheme:

the steel sheet pile supporting system for the box culvert foundation pit comprises a plurality of steel sheet piles, wherein the steel sheet piles are connected with each other to form a steel sheet pile wall, the steel sheet pile wall is arranged along the periphery of the box culvert foundation pit for construction, the steel sheet pile supporting system also comprises a plurality of main supporting columns and a plurality of auxiliary supporting columns which are arranged in the box culvert foundation pit for construction, the main supporting columns and the auxiliary supporting columns are all abutted against the steel sheet pile wall for arrangement, and the auxiliary supporting columns are arranged between two adjacent main supporting columns at intervals; the supporting and pushing mechanism is used for supporting and supporting the steel sheet pile wall, one side, facing away from the steel sheet pile wall, of each auxiliary supporting column is provided with the diagonal bracing mechanism, and the diagonal bracing mechanism is used for supporting the auxiliary supporting columns and the steel sheet pile wall.

Through adopting above-mentioned technical scheme, the steel sheet pile wall can play the effect that manger plate kept off, and main support post and auxiliary support post all can support the steel sheet pile wall, reduce the steel sheet pile wall and damage under the extrusion of soil or water probably. The pushing mechanism plays a role in pushing and supporting the steel sheet pile wall, and the diagonal bracing mechanism supports the steel sheet pile wall which is abutted to the auxiliary support column through supporting the auxiliary support column.

Optionally, an installation box is arranged between two adjacent main supporting columns, the pushing mechanism comprises a driving assembly, a transmission assembly and a supporting assembly, and the driving assembly is installed on each main supporting column and used for driving the transmission assembly and the supporting assembly to operate; the supporting and supporting assembly is arranged between the transmission assembly and the steel sheet pile wall; the transmission assembly is arranged in the installation box and is used for driving the propping assembly to prop against the steel sheet pile wall so as to support the steel sheet pile wall.

Through adopting above-mentioned technical scheme, the mounting box is used for holding drive assembly, and drive assembly starts the back, and drive assembly moves, and drive assembly drives to prop the subassembly operation, props the subassembly operation and can support and push away and support the steel sheet pile wall.

Optionally, the drive assembly includes the jack and install in the board that slides on the main support post, follow on the main support post the jack's jack-up direction is equipped with the groove that slides, be equipped with the slider on the board that slides, the slider slides and locates in the groove that slides, the board that slides is in under the drive of jack follow the groove that slides.

Through adopting above-mentioned technical scheme, the sliding block slides and locates the inslot that slides, makes the board that slides can follow the inslot that slides, can drive the board that slides and slide after the jack starts.

Optionally, a mounting plate is arranged in the mounting box, the transmission assembly comprises a transmission gear, a transmission rod and a plurality of worm gears, the transmission gear and the worm gears are rotatably mounted on the mounting plate, a transmission rack is arranged on the sliding plate and extends along the sliding direction of the sliding plate, an avoidance port is formed in one end, close to the transmission rack, of the mounting box, and the transmission rack penetrates through the avoidance port and is connected with the transmission gear in a transmission manner; the transmission rods are arranged between two adjacent main supporting columns and rotatably arranged on the side wall of the mounting box, each transmission rod comprises a spiral rod and a plurality of worms connected with the spiral rod, the worms are connected end to end, and the worms are in meshed arrangement with the worm gears in a one-to-one correspondence manner; the spiral rod is sleeved with an outer sleeve, a shifting rack is arranged on the outer sleeve and meshed with the transmission gear, and the outer sleeve moves under the driving of the transmission gear to drive the spiral rod to rotate.

Through adopting above-mentioned technical scheme, the mounting panel is used for supporting drive gear and a plurality of worm wheel, and the back is moved to the board that slides, drives the drive rack and removes, drives the drive gear rotation after the drive rack removes. The shifting rack meshed with the transmission gear drives the outer sleeve to move, so that the outer sleeve drives the screw rod to rotate, and a plurality of worms connected with the screw rod rotate along with the screw rod to drive each worm wheel to synchronously rotate.

Optionally, each worm wheel with all be equipped with between the steel sheet pile wall support the subassembly, support the subassembly including drive sleeve pipe, connecting pile with support the butt board of steel sheet pile wall, drive sleeve pipe fixed mounting in the shaft of worm wheel is epaxial, just drive sleeve pipe sets up outside the connecting pile, the one end of connecting pile with drive sleeve pipe screw thread links to each other, the other end with support the butt board and link to each other, be equipped with the anti-rotation groove on the connecting pile, the anti-rotation groove is followed the length direction extension setting of connecting pile, be equipped with the anti-rotation piece on the mounting panel, the anti-rotation piece slides and locates in the anti-rotation groove.

By adopting the technical scheme, the rotation stopping block is slidably arranged in the rotation stopping groove, so that the rotation of the connecting pile is limited. The drive sleeve rotates under the drive of worm wheel, drives the connecting pile and removes along the groove that splines, will install the push pedal on the connecting pile and promote towards the steel sheet pile wall, makes the push pedal support in the steel sheet pile wall, has realized supporting the steel sheet pile wall.

Optionally, the bracing mechanism includes sharp drive assembly, supporting component and reinforcement subassembly, the supporting component with assist the support column looks, sharp drive assembly is used for the drive the supporting component makes the supporting component right assist the support column supports, reinforcement subassembly install in assist the support column with between the supporting component, be used for right the supporting component consolidates.

Through adopting above-mentioned technical scheme, supporting component supports tightly assisting the support column under the drive of sharp drive assembly, has promoted the supporting effect of assisting the support column to the steel sheet pile wall, consolidates supporting component, has reduced the supporting component and has carried out the in-process that supports assisting the support column and take place the possibility of damage.

Optionally, the supporting component comprises a first supporting block, a supporting plate and a second supporting block, a sliding box is arranged on one side of the installation box, which is away from the auxiliary supporting column, the first supporting block is arranged in the sliding box in a sliding way, and one side of the first supporting block, which is away from the installation box, is connected with the linear driving component; the auxiliary support column is provided with a sliding groove, the second supporting block is arranged in the sliding groove in a sliding mode, one end of the support plate is hinged to the first supporting block, and the other end of the support plate is hinged to the second supporting block.

Through adopting above-mentioned technical scheme, first support the supporting shoe and slide along the slip case under the drive of sharp drive assembly, drive the backup pad and remove, the second supports the supporting shoe and slides along the sliding tray under the promotion of backup pad to paste with the cell wall counterbalance of sliding tray, makes the fixed in position of backup pad to support auxiliary support post steadily, make auxiliary support post support steel sheet pile wall's effect promote.

Optionally, the reinforcing component comprises a plurality of reinforcing rods and a plurality of telescopic rods, wherein the reinforcing rods are all installed on the auxiliary supporting columns, and one ends of the reinforcing rods, which are far away from the auxiliary supporting columns, are all connected with the supporting plates; the telescopic rods are arranged between the reinforcing rods and the supporting plate in a one-to-one correspondence mode.

Through adopting above-mentioned technical scheme, a plurality of reinforcing rods and telescopic link can consolidate the backup pad, reduce the backup pad and support the in-process fracture or the possibility of damaging of support.

Optionally, the telescopic rod comprises a supporting inner rod and a telescopic outer tube, the telescopic outer tube is sleeved outside the supporting inner rod, an adjusting slide block is arranged on the supporting inner rod, an adjusting slide groove is arranged on the telescopic outer tube along the length direction of the supporting inner rod, and the adjusting slide block is slidably arranged in the adjusting slide groove; a reset spring is arranged in the adjusting chute, one end of the reset spring is connected with the wall of the adjusting chute, and the other end of the reset spring is connected with the adjusting slide block; the support plate is provided with a plurality of clamping grooves corresponding to the telescopic rods, the telescopic outer tube is provided with clamping blocks which are adapted to be clamped into the clamping grooves, one end, away from the clamping blocks, of the support inner rod is hinged to the reinforcing rod, the support inner rod is provided with a locking assembly, and the locking assembly is used for fixing the position of the telescopic outer tube.

Through adopting above-mentioned technical scheme, reset spring makes flexible outer tube have the trend of keeping away from the removal of support interior pole all the time, and when reset spring pressed shrink, the length of telescopic link diminishes. The support inner rod is hinged to the reinforcing rod, and after the clamping block is clamped into the clamping groove, the telescopic outer tube is abutted against the support plate, so that the telescopic rod is installed between the support plate and the reinforcing rod. The locking component is used for limiting the movement of the telescopic outer tube, so that the length of the telescopic rod is unchanged, the supporting plate is stably supported and reinforced, and the possibility of deformation or damage of the supporting plate is reduced.

Optionally, the support inner rod is provided with threads, the locking component is a locking nut, and the locking nut abuts against one end of the telescopic outer tube, which is far away from the clamping block.

Through adopting above-mentioned technical scheme, locking nut and flexible outer tube offset paste the back, have restricted flexible outer tube and have moved towards the stiffening rod, have realized making the length of telescopic link unchangeable.

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

1. the steel sheet pile wall can play a role in retaining water and soil, the main supporting column and the auxiliary supporting column can support the steel sheet pile wall, the possibility that the steel sheet pile wall is damaged under the extrusion of soil or water is reduced, the supporting and pushing mechanism plays a role in supporting and pushing the steel sheet pile wall, and the inclined supporting mechanism supports the auxiliary supporting column, so that the steel sheet pile wall supported by the auxiliary supporting column is supported;

2. after the driving component is started, the driving component is driven to operate, the driving component drives the propping component to operate, and the propping component can prop and support the steel sheet pile wall;

3. the supporting component is tightly supported by the auxiliary supporting column under the driving of the linear driving component, the supporting effect of the auxiliary supporting column on the steel sheet pile wall is improved, the supporting component is reinforced by the reinforcing component, and the possibility that the supporting component is damaged in the supporting process of the auxiliary supporting column is reduced.

Drawings

Fig. 1 is a schematic view of a steel sheet pile support system for a box foundation pit in an embodiment of the present application.

Fig. 2 is a partial cross-sectional view of a steel sheet pile support system for a box foundation pit in an embodiment of the present application.

Fig. 3 is a schematic view of a diagonal bracing mechanism in an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic view of a fastening assembly in an embodiment of the present application.

FIG. 6 is a schematic view of a telescoping rod in an embodiment of the present application

Reference numerals: 1. steel sheet pile wall; 2. a main support column; 21. a slip groove; 3. auxiliary support columns; 31. a sliding groove; 32. a pushing groove; 4. a pushing mechanism; 41. a drive assembly; 411. a jack; 412. a slip plate; 4121. a sliding block; 4122. a drive rack; 42. a transmission assembly; 421. a transmission gear; 422. a transmission rod; 4221. a screw rod; 4222. a worm; 423. a worm wheel; 424. a belt pulley; 43. a propping assembly; 431. a drive sleeve; 432. connecting piles; 4321. a rotation stopping groove; 433. a pushing plate; 5. a diagonal bracing mechanism; 51. a linear drive assembly; 52. a support assembly; 521. a first support block; 522. a support plate; 5221. a clamping groove; 523. a second supporting block; 53. a reinforcement assembly; 531. a reinforcing rod; 532. a telescopic rod; 5321. supporting the inner rod; 53211. an adjusting slide block; 5322. a telescopic outer tube; 53221. adjusting the chute; 6. a mounting box; 61. an avoidance port; 62. a shift groove; 7. a mounting plate; 71. a support table; 711. a rotation stop block; 8. an outer sleeve; 81. shifting the rack; 82. a shift block; 9. a slide box; 91. a waist-shaped hole; 10. a return spring; 11. a clamping block; 12. a locking assembly; 121. a locking nut; 13. a first connection groove; 14. and a second connecting groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a steel sheet pile support system for a box culvert foundation pit. Referring to fig. 1, a steel sheet pile supporting system for a box culvert foundation pit comprises a steel sheet pile wall 1 arranged along the periphery of the box culvert foundation pit, specifically, a plurality of steel sheet piles with U-shaped cross sections are sequentially and vertically inserted into soil at the bottom of the box culvert foundation pit, so that locking openings between two adjacent steel sheet piles are mutually buckled to form the steel sheet pile wall 1 attached to the side wall of the box culvert foundation pit, the steel sheet pile wall 1 has the functions of retaining water and retaining soil, and the possibility that the soil and water around the box culvert foundation pit enter the pit to influence construction can be reduced.

Referring to fig. 1, a plurality of main supporting columns 2 and auxiliary supporting columns 3 are installed in a box culvert foundation pit, each main supporting column 2 is arranged at each corner of the box culvert foundation pit in a one-to-one correspondence mode, and each auxiliary supporting column 3 is distributed between two adjacent main supporting columns 2 along the side wall of the box culvert foundation pit at intervals. Specifically, the bottoms of the main support columns 2 and the auxiliary support columns 3 are buried in the soil at the bottom of the box culvert foundation pit and are attached to the steel sheet pile wall 1, so that the steel sheet pile wall 1 can be prevented from inclining into the box culvert foundation pit, and the possibility that the steel sheet pile is damaged due to the extrusion of the soil outside the box culvert foundation pit is reduced.

Referring to fig. 1 and 2, in particular, the box culvert foundation pit is further provided with a pushing mechanism 4 and a diagonal bracing mechanism 5. Wherein the pushing mechanism 4 comprises a driving component 41 and a transmission component 42. Specifically, a mounting box 6 attached to each auxiliary support column 3 is arranged between two adjacent main support columns 2, and the mounting box 6 is fixed at the pit bottom of the box culvert foundation pit. The driving assembly 41 comprises a sliding plate 412 and a jack 411, wherein the side, facing away from the steel sheet pile wall 1, of each main supporting column 2 is provided with a sliding groove 21 along the vertical direction, the sliding plate 412 is formed by integrally forming a vertical plate and a transverse plate, the whole body of the driving assembly is L-shaped, the transverse plate is integrally formed with a sliding block 4121, the sliding block 4121 is arranged in the sliding groove 21 in a sliding manner, and the sliding plate 412 can slide along the sliding groove 21. Jack 411 fixed mounting is at the hole bottom of box culvert foundation ditch, and is located slip board 412 below, and the telescopic link of jack 411 is fixed with the diaphragm of slip board 412 for support and push away slip board 412.

Referring to fig. 2 and 3, a mounting plate 7 is provided in the mounting box 6, and the mounting plate 7 and the mounting box 6 are integrally formed. Specifically, the mounting plate 7 is vertically mounted in the middle of the mounting box 6, and is provided extending in the length direction of the mounting box 6. The transmission assembly 42 comprises a transmission gear 421, a plurality of worm gears 423 and a transmission rod 422, wherein a transmission rack 4122 is arranged on one side, opposite to the main support column 2, of a vertical plate of the sliding plate 412, the transmission rack 4122 extends along the moving direction of the sliding plate 412, an avoidance port 61 is formed in the installation box 6, and the transmission rack 4122 extends into the installation box 6 from the avoidance port 61. The transmission gear 421 and the worm gears 423 are rotatably mounted on the mounting plate 7, the mounting plate 7 is rotatably provided with a belt pulley 424 meshed with the transmission rack 4122, the transmission gear 421 is positioned on one side of the belt pulley 424 away from the main support column 2, the belt pulley 424 is connected with the transmission gear 421 through belt transmission, and the worm gears 423 are in one-to-one correspondence with the auxiliary support columns 3.

Referring to fig. 2 and 3, the transmission rods 422 are rotatably installed at sidewalls of both ends of the installation case 6. The drive rod 422 includes a screw 4221 and a number of end-to-end worms 4222. Specifically, the screw rods 4221 are disposed corresponding to the transmission gear 421, the plurality of end-to-end worms 4222 are engaged with the plurality of worm gears 423 in a one-to-one correspondence manner, and the screw rods 4221 are welded to each other with the adjacent worm 4222 and the adjacent worm 4222 to form a complete transmission rod 422. In particular, the screw 4221 is sleeved with an outer sleeve 8, a displacement groove 62 is formed in the outer sleeve 8 on the mounting plate 7, a displacement block 82 is integrally formed on the outer sleeve 8, and the displacement block 82 is slidably arranged in the displacement groove 62.

Referring to fig. 2 and 3, a shift rack 81 meshed with the transmission gear 421 is further installed on one side of the outer sleeve 8 near the transmission gear 421, and the transmission gear 421 drives the shift rack 81 to move when rotating, so that the outer sleeve 8 slides along the shift groove 62. In particular, the transmission gear 421 is driven to rotate by the pulley 424, and the pulley 424 connects the transmission rack 4122 and the transmission gear 421 in a transmission manner, so that the situation that the travel is shorter due to the blocking of the main support column 2 and the transmission rack 4122 when the shift rack 81 moves can be improved. The spiral rod 4221 is provided with a spiral groove, a spiral strip matched with the spiral groove is arranged in the outer sleeve 8, when the outer sleeve 8 slides along the shifting groove 62, the spiral rod 4221 rotates under the driving of the outer sleeve 8 to drive each worm 4222 to rotate, and each worm 4222 drives the worm wheel 423 meshed with the worm wheel 4222 to rotate after rotating.

Referring to fig. 2, the sliding plate 412 moves under the pushing of the jack 411, and the pulley 424 rotates under the driving of the driving rack 4122 on the sliding plate 412, driving the driving gear 421 to rotate. The shift rack 81 moves along with the rotation of the transmission gear 421, so as to drive the outer sleeve 8 to move, the outer sleeve 8 moves and then drives the screw 4221 to rotate, and each worm 4222 connected with the screw 4221 synchronously rotates along with the screw 4221, so as to drive each worm wheel 423 to rotate.

Referring to fig. 3 and 4, a supporting component 43 is disposed on a side of each auxiliary support column 3 facing away from the steel sheet pile wall 1, and the supporting component 43 includes a driving sleeve 431, a connecting pile 432 and a supporting plate 433. The driving sleeve 431 is welded to one end of the wheel shaft of the worm wheel 423 near the auxiliary supporting column 3, and rotates synchronously with the worm wheel 423. The side of the auxiliary support column 3 facing the steel sheet pile wall 1 is provided with a pushing groove 32 for accommodating a pushing plate 433, one end of the connecting pile 432 is provided with external threads, one end of the driving sleeve 431 far away from the worm wheel 423 is provided with internal threads matched with the external threads, and the driving sleeve 431 is sleeved outside the connecting pile 432 and is connected with the threads between the connecting piles 432. The connection pile 432 sequentially passes through the mounting box 6 and the auxiliary support column 3 and extends into the pushing groove 32, and the pushing plate 433 is mounted at one end of the connection pile 432 away from the driving sleeve 431.

Referring to fig. 4, in particular, a support table 71 is integrally formed on one side of the mounting plate 7 near the auxiliary support column 3, the support table 71 is disposed below the connection pile 432, a rotation stopping groove 4321 is formed on one side of the connection pile 432 near the support table 71 along the length direction of the connection pile, a rotation stopping block 711 is integrally formed on the support table 71, and the rotation stopping block 711 is slidably disposed in the rotation stopping groove 4321, so that the connection pile 432 can be restricted from rotating along with the driving sleeve 431.

Referring to fig. 3 and 4, after the driving sleeve 431 rotates along with the worm wheel 423, the driving connection pile 432 moves towards the auxiliary support column 3, so that the pushing plate 433 is abutted against the steel sheet pile wall 1, the function of supporting the steel sheet pile wall 1 is achieved, and the possibility that the steel sheet pile wall 1 is deformed or even damaged due to long-term bearing of soil, water and the like is reduced.

Referring to fig. 1 and 3, a diagonal bracing mechanism 5 is arranged on the side of each auxiliary support column 3 facing away from the steel sheet pile wall 1. The diagonal bracing mechanism 5 comprises a linear driving assembly 51, a supporting assembly 52 and a reinforcing assembly 53, in this embodiment, the linear driving assembly 51 is an electric push rod, the supporting assembly 52 comprises a first supporting block 521, a second supporting block 523 and a supporting plate 522, a sliding box 9 is arranged on one side of the installation box 6, which is away from the auxiliary supporting column 3, and the first supporting block 521 is arranged in the sliding box 9 in a sliding manner; the side of the auxiliary support column 3, which is away from the steel sheet pile wall 1, is provided with a sliding groove 31, and the second supporting block 523 is arranged in the sliding groove 31 in a sliding way; the sliding box 9 is provided with a waist-shaped hole 91 through which the support plate 522 extends, one end of the support plate 522 is hinged to the first support block 521, and the other end is hinged to the second support block 523. In particular, the side of the sliding box 9 facing away from the mounting box 6 is provided with an opening, and the electric push rod extends into the sliding box 9 from the opening and is connected with the first supporting block 521. The electric push rod pushes the first supporting block 521, after the first supporting block 521 slides along the sliding box 9, the second supporting block 523 is driven by the supporting plate 522 to slide upwards along the sliding groove 31 until the second supporting block 523 abuts against the top wall of the sliding groove 31, so that the supporting plate 522 always supports the auxiliary supporting column 3, and further the steel sheet pile wall 1 is supported.

Referring to fig. 3 and 5, a reinforcing member 53 is provided between each auxiliary support column 3 and the support plate 522. The reinforcing member 53 includes a plurality of reinforcing rods 531 and telescopic rods 532 mounted on each reinforcing rod 531 in one-to-one correspondence. Specifically, a plurality of first connecting grooves 13 are arranged on the auxiliary support column 3 at intervals at the bottom of the sliding groove 31, and the plurality of first connecting grooves 13 extend along the length direction of the sliding groove 31. The support plate 522 is provided with a second connecting groove 14 along its length direction, and one end of each reinforcing rod 531 is fixed in the first connecting groove 13 by a bolt, and the other end is fixed in the second connecting groove 14 by a bolt. After the auxiliary support column 3 and the support plate 522 are connected by the reinforcing rods 531, the support plate 522 is reinforced, and the possibility of breakage or deformation of the support plate 522 in the support process is reduced.

Referring to fig. 5 and 6, one end of the telescopic rod 532 is connected to the reinforcing rod 531, and the other end abuts against the support plate 522. In particular, the telescopic rod 532 includes a supporting inner rod 5321, a telescopic outer tube 5322 and a locking assembly 12, one end of the supporting inner rod 5321 is hinged on the reinforcing rod 531, the other end is integrally formed with an adjusting slide block 53211, the telescopic outer tube 5322 is sleeved on the supporting inner rod 5321, an adjusting slide groove 53221 is arranged on the inner wall of the telescopic outer tube 5322 along the length direction of the inner wall, the adjusting slide block 53211 is slidingly arranged in the adjusting slide groove 53221, and the telescopic outer tube 5322 can slide along the direction of the adjusting slide groove 53221. In addition, a return spring 10 is further installed in the adjusting chute 53221, one end of the return spring 10 is connected with the adjusting sliding block 53211, and the other end of the return spring is fixed on the side wall of the adjusting chute 53221, which is close to the reinforcing rod 531, so that the telescopic outer tube 5322 always has a trend of moving towards a direction away from the supporting inner rod 5321 under the pushing action of the return spring 10.

Referring to fig. 5 and 6, an end of the telescopic outer tube 5322, which is far away from the reinforcing rod 531, is integrally formed with a spherical clamping block 11, a clamping groove 5221 is formed on the support plate 522 corresponding to the clamping block 11, and the clamping block 11 is adapted to be clamped into the clamping groove 5221, so that the telescopic rod 532 can be abutted against the support plate 522. In addition, each telescopic rod 532 is provided with a locking assembly 12, in this embodiment, one end of the supporting inner rod 5321, which is close to the reinforcing rod 531, is provided with threads, and the locking assembly 12 is a locking nut 121 which is mounted on the supporting inner rod 5321 through threads. After the operator engages the engagement block 11 into the engagement groove 5221, the lock nut 121 can be tightened to bring the lock nut 121 into abutment with the telescoping outer tube 5322 to fix the position of the telescoping outer tube 5322. At this time, the length of the telescopic rod 532 is fixed, which can play a role of supporting the support plate 522, further reduce the possibility of deformation or damage of the support plate 522, and make the connection relationship between the reinforcing rod 531 and the support plate 522 more stable.

The implementation principle of the steel sheet pile supporting system for the box culvert foundation pit is as follows: the steel sheet pile wall 1 can play a role in retaining water and soil, and the main support columns 2 and the auxiliary support columns 3 can support the steel sheet pile wall 1, so that the possibility that the steel sheet pile wall 1 is damaged under the extrusion of soil or water is reduced. The pushing mechanism 4 plays a role in pushing and supporting the steel sheet pile wall 1, and the diagonal bracing mechanism 5 supports the steel sheet pile wall 1 abutted to the auxiliary support column 3 by supporting the auxiliary support column 3.

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 (6)

1. The utility model provides a steel sheet pile support system for box culvert foundation ditch, includes a plurality of steel sheet piles, and a plurality of steel sheet piles interconnect forms steel sheet pile wall (1), and steel sheet pile wall (1) are along the box culvert foundation ditch week that is used for construction along setting up, its characterized in that: the method comprises a plurality of main supporting columns (2) and a plurality of auxiliary supporting columns (3) which are arranged in a box culvert foundation pit for construction, wherein the plurality of main supporting columns (2) and the plurality of auxiliary supporting columns (3) are all propped against the steel sheet pile wall (1) to be arranged, and the plurality of auxiliary supporting columns (3) are arranged between two adjacent main supporting columns (2) at intervals;

the steel sheet pile wall supporting device further comprises a supporting and pushing mechanism (4) and a diagonal bracing mechanism (5), wherein the supporting and pushing mechanism (4) is used for supporting and supporting the steel sheet pile wall (1), one side, facing away from the steel sheet pile wall (1), of each auxiliary supporting column (3) is provided with the diagonal bracing mechanism (5), and the diagonal bracing mechanism (5) is used for supporting the auxiliary supporting columns (3) and the steel sheet pile wall (1);

an installing box (6) is arranged between every two adjacent main supporting columns (2), the pushing mechanism (4) comprises a driving component (41), a transmission component (42) and a supporting component (43), and the driving component (41) is installed on each main supporting column (2) and used for driving the transmission component (42) and the supporting component (43) to operate; the supporting component (43) is arranged between the transmission component (42) and the steel sheet pile wall (1); the transmission assembly (42) is arranged in the installation box (6) and is used for driving the propping assembly (43) to prop against the steel sheet pile wall (1) so as to support the steel sheet pile wall (1);

the driving assembly (41) comprises a jack (411) and a sliding plate (412) arranged on the main supporting column (2), a sliding groove (21) is formed in the main supporting column (2) along the lifting direction of the jack (411), a sliding block (4121) is arranged on the sliding plate (412), the sliding block (4121) is arranged in the sliding groove (21) in a sliding mode, and the sliding plate (412) slides along the sliding groove (21) under the driving of the jack (411);

the mounting box (6) is internally provided with a mounting plate (7), the transmission assembly (42) comprises a transmission gear (421), a transmission rod (422) and a plurality of worm gears (423), the transmission gear (421) and the worm gears (423) are rotatably mounted on the mounting plate (7), the sliding plate (412) is provided with a transmission rack (4122), the transmission rack (4122) extends along the sliding direction of the sliding plate (412), one end, close to the transmission rack (4122), of the mounting box (6) is provided with an avoidance port (61), and the transmission rack (4122) penetrates through the avoidance port (61) to be in transmission connection with the transmission gear (421);

the transmission rods (422) are arranged between two adjacent main supporting columns (2) and rotatably arranged on the side wall of the installation box (6), the transmission rods (422) comprise screw rods (4221) and a plurality of worms (4222) connected with the screw rods (4221), the worms (4222) are connected end to end, and the worms (4222) are meshed with the worm gears (423) in a one-to-one correspondence mode;

the screw rod (4221) is sleeved with an outer sleeve (8), a shifting rack (81) is arranged on the outer sleeve (8), the shifting rack (81) is meshed with the transmission gear (421), and the outer sleeve (8) moves under the driving of the transmission gear (421) to drive the screw rod (4221) to rotate;

each worm wheel (423) and all be equipped with between steel sheet pile wall (1) support subassembly (43), support subassembly (43) including drive sleeve (431), connecting pile (432) with support push pedal (433) of steel sheet pile wall (1) with support, drive sleeve (431) fixed mounting in the shaft of worm wheel (423), just drive sleeve (431) cover is located outside connecting pile (432), one end of connecting pile (432) with drive sleeve (431) screw thread links to each other, the other end with support push pedal (433) link to each other, be equipped with on connecting pile (432) and block change groove (4321), block change groove (4321) are followed the length direction extension setting of connecting pile (432), be equipped with on mounting panel (7) and block change piece (711), block change piece (711) slip is located in blocking change groove (4321).

2. The steel sheet pile support system for a box culvert foundation pit of claim 1, wherein: the diagonal bracing mechanism (5) comprises a linear driving assembly (51), a supporting assembly (52) and a reinforcing assembly (53), wherein the supporting assembly (52) is abutted against the auxiliary supporting column (3), the linear driving assembly (51) is used for driving the supporting assembly (52) to enable the supporting assembly (52) to support the auxiliary supporting column (3), and the reinforcing assembly (53) is installed between the auxiliary supporting column (3) and the supporting assembly (52) and used for reinforcing the supporting assembly (52).

3. The steel sheet pile support system for a box culvert foundation pit of claim 2, wherein: the supporting assembly (52) comprises a first supporting block (521), a supporting plate (522) and a second supporting block (523), a sliding box (9) is arranged on one side, facing away from the auxiliary supporting column (3), of the mounting box (6), the first supporting block (521) is arranged in the sliding box (9) in a sliding mode, and one side, far away from the mounting box (6), of the first supporting block (521) is connected with the linear driving assembly (51); the auxiliary support column (3) is provided with a sliding groove (31), the second supporting block (523) is arranged in the sliding groove (31) in a sliding mode, one end of the support plate (522) is hinged to the first supporting block (521), and the other end of the support plate is hinged to the second supporting block (523).

4. A steel sheet pile support system for a box culvert pit according to claim 3, wherein: the reinforcing component (53) comprises a plurality of reinforcing rods (531) and a plurality of telescopic rods (532), the reinforcing rods (531) are all arranged on the auxiliary support column (3), and one ends, far away from the auxiliary support column (3), of the reinforcing rods (531) are all connected with the support plate (522); the telescopic rods (532) are arranged between the reinforcing rods (531) and the supporting plate (522) in a one-to-one correspondence mode.

5. The steel sheet pile support system for a box culvert foundation pit of claim 4, wherein: the telescopic rod (532) comprises a supporting inner rod (5321) and a telescopic outer tube (5322), the telescopic outer tube (5322) is sleeved outside the supporting inner rod (5321), an adjusting sliding block (53211) is arranged on the supporting inner rod (5321), an adjusting sliding groove (53221) is formed in the telescopic outer tube (5322) along the length direction of the supporting inner rod (5321), and the adjusting sliding block (53211) is slidably arranged in the adjusting sliding groove (53221);

a reset spring (10) is arranged in the adjusting chute (53221), one end of the reset spring (10) is connected with the chute wall of the adjusting chute (53221), and the other end of the reset spring is connected with the adjusting slide block (53211);

the support plate (522) is provided with a plurality of clamping grooves (5221) corresponding to the telescopic rods (532), the telescopic outer tube (5322) is provided with clamping blocks (11) which are adapted to be clamped into the clamping grooves (5221), one ends, away from the clamping blocks (11), of the support inner rods (5321) are hinged to the reinforcing rods (531), the support inner rods (5321) are provided with locking assemblies (12), and the locking assemblies (12) are used for fixing positions of the telescopic outer tube (5322).

6. The steel sheet pile support system for a box culvert foundation pit of claim 5, wherein: the support inner rod (5321) is provided with threads, the locking assembly (12) is a locking nut (121), and the locking nut (121) abuts against one end, far away from the clamping block (11), of the telescopic outer tube (5322).

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