CN215671534U

CN215671534U - A supporting structure for foundation ditch enclosure

Info

Publication number: CN215671534U
Application number: CN202122027212.7U
Authority: CN
Inventors: 彭帅; 王福盛; 陈成华; 舒伯林
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-28
Anticipated expiration: 2031-08-25

Abstract

The application discloses a supporting structure for foundation ditch enclosure relates to foundation ditch enclosure device's technical field, and it includes the stand and can dismantle the rail guard between two stands, its characterized in that: the guardrail comprises at least two guardrail units which are adjacent to each other, a mounting block is arranged between the guardrail units, two mounting holes penetrate through the mounting block in the vertical direction, mounting columns are fixedly arranged at the positions, close to the end portions, of the guardrail units, the mounting columns are in running fit with the mounting holes, the mounting holes are in one-to-one correspondence with the mounting columns on the guardrail units, and connecting pieces used for being connected with the stand columns are arranged at the two ends of the guardrail. The protection fence can be folded, so that the area of the protection fence exposed outside is reduced, and the possibility of damage of the protection fence in the transportation process can be reduced.

Description

A supporting structure for foundation ditch enclosure

Technical Field

The application relates to the technical field of foundation pit bracing devices, in particular to a support structure for foundation pit bracing.

Background

In the construction operation process of the foundation pit, in order to prevent vehicles or people from falling, a retaining device is usually required to surround the foundation pit, and normal use of nearby buildings and municipal facilities is guaranteed.

As shown in fig. 1, a support structure of a foundation pit enclosure in the related art includes columns 1 and a guard rail 2 detachably disposed between two columns 1, where the guard rail 2 includes a mounting frame 25 in a rectangular ring structure and a protection net 26 fixedly disposed inside the mounting frame 25. Before foundation pit construction, the upright posts 1 and the guard rails 2 are transported to a construction site, and then the upright posts 1 and the guard rails 2 are assembled one by one, so that the guard rails 2 are connected end to end through the upright posts 1, the foundation pit is surrounded, and the construction safety of the foundation pit is guaranteed.

However, in the transportation process of the guard rail, the whole guard net is exposed outside, and the guard net is easily damaged when collision occurs.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the guard railing is damaged in the transportation process, the support structure for the foundation pit enclosure is provided.

The application provides a supporting structure for foundation ditch enclosure adopts following technical scheme:

the utility model provides a supporting structure for foundation ditch enclosure, includes the stand and can dismantle the rail guard between two stands, the rail guard includes two at least guardrail units, adjacent two be provided with the installation piece between the guardrail unit, the installation piece has two mounting holes along vertical direction running through, the fixed position that the guardrail unit is close to the tip is provided with the erection column, the inside of mounting hole is worn to locate in the rotation of erection column, the both ends of rail guard are provided with and are used for the connecting piece that links to each other with the stand.

By adopting the technical scheme, the guard rail is detachably arranged between the two stand columns through the connecting piece and is assembled when in use, so that the stand columns and the guard rail can be conveniently transported; the protective guard consists of at least two protective guard units, two adjacent protective units are hinged through a mounting block, and the protective guard units can rotate along a mounting column so as to be folded; after the protective guard is folded, the area of the protective guard exposed outside can be reduced, and therefore the possibility that the protective guard is damaged in the transportation process can be reduced.

Optionally, the connecting piece includes positioning bolt, the fixed first connecting block that is provided with in both sides of stand, the lateral wall of rail guard is close to the rigidity at both ends and is provided with the second connecting block, the lateral wall that first connecting block is close to the rail guard has seted up the draw-in groove, first connecting block runs through and has been used for supplying the first connecting hole that positioning bolt passed, the second connecting block runs through and has been used for supplying the second connecting hole that positioning bolt passed, positioning bolt and first connecting hole screw-thread fit.

By adopting the technical scheme, the first connecting block is hinged with the second connecting block through the positioning bolt, so that the protective guard and the positioning column can rotate along the positioning bolt; the first connecting block is in threaded fit with the positioning bolt, so that the stand column and the protective guard can be conveniently detached; first connecting block sets up in the inside of draw-in groove, can restrict first connecting block and slide along positioning bolt's axial to promote the stability that stand and rail guard are connected.

Optionally, the storage tank has been seted up on the top of stand, the inside of storage tank is provided with the check lock lever, the storage tank is stretched out on the top of check lock lever, the constant head tank has been seted up to the diapire of storage tank, check lock lever and constant head tank screw-thread fit, the lateral wall of stand runs through be used for with check lock lever screw-thread fit's screw hole, the rail guard is folded up the back completely, two the screw hole of stand is located same straight line.

By adopting the technical scheme, when the protective guard is used, the locking rod is matched with the positioning groove, and the locking rod can be accommodated in the accommodating groove; after the protective guard is completely folded, the locking rods are connected in the threaded holes of the two stand columns in a threaded mode, the folded protective guard and the stand columns can be locked and fixed together, and therefore the stability of the protective guard in the transportation process is improved.

Optionally, a knob is fixedly arranged at one end, far away from the positioning groove, of the locking rod.

Through adopting above-mentioned technical scheme, the setting of knob can make things convenient for the staff to control the locking lever and rotate.

Optionally, the mounting block is provided with two first insertion grooves for inserting the guardrail units, and when two adjacent guardrail units are correspondingly inserted into the first insertion grooves, the two guardrail units are located on the same plane.

By adopting the technical scheme, when the protective guard is unfolded, the guardrail units can be inserted into the first insertion groove, so that the relative rotation of the two adjacent guardrail units can be prevented, and the stability of the protective guard during unfolding and use can be further improved.

Optionally, the mounting block is provided with two second insertion grooves for inserting the guardrail unit, the second insertion grooves are perpendicular to the first insertion grooves, and the two second insertion grooves are located on the same side of the mounting block.

By adopting the technical scheme, the guardrail unit is rotated to fold the guardrail, and is clamped into the second inserting groove, so that the relative rotation of the guardrail and the mounting block can be limited, and the stability of the folded guardrail is further improved.

Optionally, the mounting groove has been seted up to the inner wall of mounting hole, the inside of mounting groove is provided with and is used for ordering about the spring that the installation piece slided to the direction of keeping away from the guardrail unit, the one end threaded connection that the guardrail unit was kept away from to the erection column has lock nut.

Through adopting above-mentioned technical scheme, the lock nut is loosened soon, and the spring can order about the installation piece to the direction of keeping away from the guardrail unit and remove to order about the guardrail unit and shift out first inserting groove or second inserting groove, thereby make things convenient for the staff to expand or fold up the rail guard.

Optionally, the upper end and the lower end of the guardrail unit are both provided with hanging rings, and after the guardrail is completely folded, the locking rod can be arranged inside the hanging rings in a penetrating manner.

By adopting the technical scheme, the arrangement of the hanging ring can facilitate workers to carry the protective fence; after the guard rail is completely folded, the locking rod can be limited by penetrating the locking rod into the hanging ring, so that the locking rod can be prevented from being impacted by foreign objects, and the service life of the locking rod is prolonged.

In summary, the present application includes at least one of the following benefits:

1. the protective guard is formed by hinging and connecting at least two protective guard units, so that the protective guard can be folded, the area of the protective guard exposed outside can be reduced, and the possibility of damage of the protective guard in the transportation process can be reduced;

2. through the arrangement of the locking rods, when the guard rail is used, the locking rods can be accommodated in the upright posts; after the protective guard is completely folded, the locking rods can lock and fix the two stand columns, so that the stability of the protective guard in the transportation process can be improved.

Drawings

Fig. 1 is a schematic structural view of the related art;

fig. 2 is a schematic structural view of the guard rail in the fully expanded state according to the present embodiment;

FIG. 3 is a schematic sectional view showing a second connecting hole and a spring in the present embodiment;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 3;

FIG. 6 is a schematic cross-sectional view of the positioning groove of the present embodiment;

fig. 7 is a schematic structural view of the fully folded guard rail of the present embodiment.

Description of reference numerals: 1. a column; 2. protecting the fence; 3. a guardrail unit; 4. a connecting member; 5. a first connection block; 6. a second connecting block; 7. positioning the bolt; 8. a card slot; 9. a first connection hole; 10. a second connection hole; 11. mounting blocks; 12. mounting holes; 13. mounting a column; 14. a first insertion groove; 15. a second insertion groove; 16. mounting grooves; 17. a spring; 18. locking the nut; 19. a containing groove; 20. a locking lever; 21. positioning a groove; 22. a knob; 23. a threaded hole; 24. a hoisting ring; 25. installing a frame; 26. and (4) a protective net.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses a supporting structure for foundation pit bracing. Referring to fig. 2, the support structure for foundation pit enclosure comprises two columns 1 and a guard rail 2 arranged between the two columns 1; the upright posts 1 in the embodiment are of rectangular rod-shaped structures, the guard rail 2 is formed by hinging and connecting at least two rectangular guard rail units 3 end to end, connecting pieces 4 are arranged at the left end and the right end of the guard rail 2, and the guard rail 2 is detachably connected with the two upright posts 1 through the connecting pieces 4.

Referring to fig. 3 and 4, the connection member 4 includes a first connection block 5, a second connection block 6, and a positioning bolt 7 for connecting the first connection block 5 and the second connection block 6. The first connecting block 5 and the second connecting block 6 are both rectangular block structures, the first connecting block 5 is fixedly welded on the side wall of the upright post 1, the second connecting block 6 is fixedly welded on the side wall of the protective guard 2, and meanwhile, the second connecting blocks 6 at the left end and the right end of the protective guard 2 are positioned on the same side of the protective guard 2; the side wall of the first connecting block 5 close to the protective guard 2 is provided with a clamping groove 8 for the second connecting block 6 to be clamped in, and when the second connecting block 6 is clamped in the clamping groove 8, the upper side wall and the lower side wall of the second connecting block 6 are both attached to the inner wall of the clamping groove 8; the first connecting block 5 is provided with a first connecting hole 9 in a penetrating manner along the vertical direction, the second connecting block 6 is provided with a second connecting hole 10 in a penetrating manner along the vertical direction, the positioning bolt 7 is in threaded fit with the first connecting block 5, and meanwhile, the positioning bolt 7 is in rotating fit with the second connecting hole 10; the end of the second connecting block 6 is transited by a fillet, and the first connecting block 5 can rotate along the axis of the positioning bolt 7.

Referring to fig. 3 and 5, six guardrail units 3 are provided in the present embodiment, and any number of guardrail units 3 may be provided in other embodiments; two mounting blocks 11 with rectangular structures are arranged between two adjacent guardrail units 3, and the two mounting blocks 11 are respectively arranged at the positions of the guardrail units 3 close to the upper end and the lower end; two mounting holes 12 with circular cross sections penetrate through the mounting block 11 along the vertical direction, mounting columns 13 are fixedly welded at positions, close to four corners, of the guardrail unit 3, the mounting columns 13 are of cylindrical rod-shaped structures, and the mounting columns 13 are arranged along the vertical direction; the mounting columns 13 are matched with the mounting holes 12 in an inserted manner, and the two mounting blocks 11 on the mounting blocks 11 are correspondingly connected with the mounting columns 13 of the two adjacent guardrail units 3 one by one, so that the two adjacent guardrail units 3 can rotate by taking the mounting columns 13 as axes.

Referring to fig. 3 and 5, the side wall of the installation block 11 close to the guardrail unit 3 is provided with two first insertion grooves 14 for inserting the guardrail unit 3, after two adjacent guardrail units 3 are inserted into the first insertion grooves 14 respectively, the two guardrail units 3 are located on the same plane, so that the guardrail units 3 can be positioned after being unfolded. The side wall of the mounting block 11 close to the guardrail unit 3 is provided with two second inserting grooves 15 communicated with the first inserting grooves 14, the first inserting grooves 14 are vertical to the second inserting grooves 15, and the two inserting grooves are positioned on the same side of the mounting block 11; after the two adjacent guardrail units 3 are correspondingly inserted into the second insertion grooves 15, the two guardrail units 3 are completely folded, so that the guardrail units 3 can be positioned after being folded.

Referring to fig. 3 and 5, an installation groove 16 is formed in the inner wall of the installation hole 12, the installation groove 16 is in a cylindrical structure, and one end of the installation groove 16, which is close to the guardrail unit 3, is through; the inside of mounting groove 16 is provided with spring 17, and spring 17 in this embodiment is compression spring, and the outside of erection column 13 is located to the spring 17 cover, and the one end of spring 17 offsets with the outer wall of guardrail unit 3 simultaneously, and the inner wall that guardrail unit 3 was kept away from to the other end and mounting groove 16 offsets. One end of the mounting column 13, which is far away from the guardrail unit 3, is in threaded connection with a locking nut 18, and the locking nut 18 abuts against the side wall of the mounting block 11, which is far away from the guardrail unit 3, so that the mounting block 11 can be limited to be separated from the mounting column 13.

Referring to fig. 6, a containing groove 19 with a circular cross section is formed at the top end of the upright post 1, and a locking rod 20 is installed inside the containing groove 19; the locking rod 20 in this embodiment is a screw, and the top end of the locking rod 20 extends out of the accommodating groove 19; the bottom wall of the containing groove 19 is provided with a positioning groove 21, and the locking rod 20 is in threaded fit with the positioning groove 21, so that the locking rod 20 can be positioned; a knob 22 is welded and fixed to the top end of the locking rod 20, so that the locking rod 20 can be conveniently rotated by a worker.

Referring to fig. 6 and 7, a threaded hole 23 penetrates through the side wall of the upright post 1, and the threaded hole 23 is arranged along the horizontal direction; in this embodiment, two threaded holes 23 are provided on each upright post 1, and the two threaded holes 23 are respectively provided at positions of the upright posts 1 near two ends. When the protective guard 2 is completely folded, the threaded holes 23 of the two upright posts 1 near the top end are positioned on the same straight line, and the threaded holes 23 of the two upright posts 1 near the low end are positioned on the same straight line. The upper end and the lower end of the guardrail unit 3 are respectively fixedly welded with a lifting ring 24, the lifting ring 24 at the top end of the guardrail unit 3 and the threaded hole 23 of the upright post 1 close to the top end are positioned at the same horizontal height, and the lifting ring 24 at the bottom end of the guardrail unit 3 and the threaded hole 23 of the upright post 1 close to the bottom end are positioned at the same horizontal height. After the protective guard 2 is completely folded, the locking rod 20 can be inserted into the threaded holes 23 on the two columns 1, and meanwhile, the locking rod 20 can be inserted into the hanging ring 24.

The implementation principle of the support structure for foundation pit bracing in the embodiment of the application is as follows:

the guard rail 2 is completely unfolded in normal use, and the guard rail units 3 are inserted into the first insertion groove 14 by screwing the locking nut 18, so that two adjacent guard rail units 3 are positioned; meanwhile, the locking rod 20 is accommodated in the accommodating groove 19, and the locking rod 20 is in threaded connection with the inside of the positioning groove 21, so that the locking rod 20 can be prevented from being separated from the accommodating groove 19.

When the protective guard 2 needs to be folded, the protective guard unit 3 is separated from the first inserting groove 14 by unscrewing the knob 22; then, the guardrail unit 3 is rotated to clamp the guardrail unit 3 into the second inserting groove 15, so that the guardrail 2 is folded; by screwing the knob 22, the guardrail unit 3 is positioned; then the locking rod 20 is taken out of the accommodating groove 19, the locking rod 20 is connected to the threaded holes 23 in the two upright posts 1 in a threaded mode, and meanwhile the locking rod 20 penetrates through the hanging ring 24, so that the folded protective guard 2 and the upright posts 1 are locked and fixed, and the stability of the protective guard 2 in the transportation process can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a supporting structure for foundation ditch enclosure, includes stand (1) and can dismantle rail guard (2) between two stands (1), its characterized in that: guardrail (2) include two at least guardrail units (3), adjacent two be provided with between guardrail unit (3) installation piece (11), installation piece (11) have two mounting holes (12) along vertical direction through, guardrail unit (3) are close to the rigidity of tip and are provided with erection column (13), erection column (13) and mounting hole (12) normal running fit, two mounting hole (12) and two erection column (13) one-to-one on guardrail unit (3) links to each other, the both ends of guardrail (2) are provided with and are used for connecting piece (4) that link to each other with stand (1).

2. A support structure for a foundation pit envelope as claimed in claim 1, wherein: connecting piece (4) include positioning bolt (7), the fixed first connecting block (5) that is provided with in both sides of stand (1), the fixed position that the lateral wall of rail guard (2) is close to both ends is provided with second connecting block (6), draw-in groove (8) have been seted up to the lateral wall that first connecting block (5) are close to rail guard (2), first connecting block (5) run through have be used for supplying first connecting hole (9) that positioning bolt (7) passed, second connecting block (6) run through have be used for supplying second connecting hole (10) that positioning bolt (7) passed, positioning bolt (7) and first connecting hole (9) screw-thread fit.

3. A support structure for a foundation pit envelope as claimed in claim 2, wherein: storage tank (19) have been seted up on the top of stand (1), the inside of storage tank (19) is provided with check lock lever (20), storage tank (19) are stretched out on the top of check lock lever (20), constant head tank (21) have been seted up to the diapire of storage tank (19), check lock lever (20) and constant head tank (21) screw-thread fit, the lateral wall of stand (1) runs through and is used for screw hole (23) with check lock lever (20) screw-thread fit, after rail guard (2) were folded up completely, two screw hole (23) of stand (1) are located same straight line.

4. A support structure for a foundation pit envelope as claimed in claim 3, wherein: and a knob (22) is fixedly arranged at one end of the locking rod (20) far away from the positioning groove (21).

5. A support structure for a foundation pit envelope as claimed in claim 1, wherein: two first inserting grooves (14) used for inserting the guardrail units (3) are formed in the mounting block (11), and when the guardrail units (3) are correspondingly inserted into the first inserting grooves (14), the guardrail units (3) are located on the same plane.

6. A support structure for a foundation pit envelope as claimed in claim 5, wherein: the mounting block (11) is provided with two second insertion grooves (15) for inserting the guardrail units (3), the second insertion grooves (15) are perpendicular to the first insertion grooves (14), and the two second insertion grooves (15) are located on the same side of the mounting block (11).

7. A support structure for a foundation pit envelope as claimed in claim 5 or 6, wherein: mounting groove (16) have been seted up to the inner wall of mounting hole (12), the inside of mounting groove (16) is provided with and is used for driving about spring (17) that installation piece (11) slided to the direction of keeping away from guardrail unit (3), the one end threaded connection that guardrail unit (3) were kept away from in erection column (13) has lock nut (18).

8. A support structure for a foundation pit envelope as claimed in claim 3, wherein: the guardrail comprises a guardrail unit (3), wherein hanging rings (24) are arranged at the upper end and the lower end of the guardrail unit (3), and after the guardrail (2) is completely folded, a locking rod (20) can be arranged in the hanging rings (24) in a penetrating mode.