CN219754261U - Municipal construction foundation pit retaining structure - Google Patents

Abstract

The utility model relates to a municipal construction foundation pit support structure which comprises a protection plate and at least two inclined supporting rods, wherein the at least two inclined supporting rods are parallel to each other, each inclined supporting rod comprises a threaded sleeve and two movable rods, one movable rod is rotationally connected with the protection plate, the threaded sleeve is sleeved on the two movable rods at the same time and is in threaded connection with the two movable rods, and the at least two inclined supporting rods are respectively provided with a locking piece used for locking the rotation of the movable rods relative to the protection plate. The foundation pit guard rail stacking and transporting device has the effect of being convenient to stack and transport the foundation pit guard rail.

Description

Municipal construction foundation pit retaining structure

Technical Field

The utility model relates to the field of foundation pit support technology, in particular to a municipal construction foundation pit support structure.

Background

In the building construction process of municipal works, a foundation pit needs to be excavated, soil around the foundation pit is softer, people are close to the foundation pit and easily slide, and people fall into the foundation pit to cause casualties. In order to prevent people from approaching, a retaining device is usually erected on the periphery of the foundation pit to isolate the periphery of the foundation pit from the surrounding environment, so as to prevent the people from approaching the periphery of the foundation pit.

The enclosure device generally comprises a protective frame and a protective net, wherein the protective net is fixedly connected to the inner wall of the protective frame, the lower part of the protective frame is fixedly connected with fixing support legs, and screw holes are formed in the fixing support legs and used for fixing the protective frame on the ground. The protection frame is still fixedly connected with two diagonal braces, and two diagonal braces are the slope setting, and the diagonal brace is used for contradicting in ground to support the protection frame, make the protection frame be fixed in ground more steadily.

Because the foundation pit excavation is a temporary project, after the foundation pit excavation project is finished, the enclosure device needs to be disassembled and then stacked and transported. When the protective frames are stacked, as the inclined stay bars are obliquely arranged, the interval between two adjacent protective frames is larger, so that the occupied space of the protective frames is larger when the protective frames are stacked, and the stacking and the transportation of the protective frames are inconvenient.

Disclosure of Invention

In order to facilitate stacking and transporting of foundation pit guard rails, the utility model provides a municipal construction foundation pit support structure.

The utility model provides a municipal construction foundation pit support structure, which adopts the following technical scheme:

the utility model provides a municipal construction foundation pit building envelope, includes guard plate and two at least diagonal brace, two at least diagonal brace is parallel to each other, diagonal brace includes thread bush and two movable rods, one of them the movable rod rotates to be connected in the guard plate, the thread bush overlaps simultaneously and establishes and threaded connection in two movable rods, two at least diagonal brace all is provided with the locking piece, the locking piece is used for carrying out the locking to the rotation of the relative guard plate of movable rod.

Through adopting above-mentioned technical scheme, be fixed in the peripheral ground of foundation ditch perpendicularly with the guard plate, rotate the movable rod relative guard plate to rotate the movable rod through the locking piece and lock, rotate the screw thread cover again and increase and fix the interval of two movable rods, make the movable rod can conflict in ground, make two movable rods can support the guard plate steadily, in order to increase the steadiness that the guard plate is fixed in ground. After the foundation pit excavation engineering is finished, the protection plate is detached relative to the ground, the locking piece is released from locking the movable rods, and the threaded sleeve is rotated to shorten and fix the distance between the two movable rods, so that the two movable rods can adapt to the area of the protection plate, and the movable rods are attached to the protection plate. When making can stabilize the bracing to the guard plate, stack a plurality of guard plates, the interval between two adjacent guard plates is less, and makes the guard plate occupy less space when stacking to stack and transport the guard plate.

Optionally, the locking piece includes first locking pole, rotates the second locking pole of being connected in first locking pole and wears the locking bolt who locates first locking pole and second locking pole simultaneously, first locking pole and second locking pole correspond respectively and rotate and connect in guard plate and diagonal brace, locking bolt threaded connection is in first locking pole, second locking pole is held between locking bolt's spiral shell head and first locking pole.

Through adopting above-mentioned technical scheme, the screw head that the locking bolt was kept away from to the rotatory locking bolt of rotation makes first locking lever and second locking lever mutually rotate, in order to release the relative guard plate pivoted locking of movable rod. The screw head of the locking bolt is abutted against the second locking rod by rotating the locking bolt, and the second locking rod is clamped by the screw head of the locking bolt and the first locking rod so as to limit the mutual rotation of the first locking rod and the second locking rod and lock the rotation of the movable rod relative to the protection plate, so that the movable rod stably props the protection plate in an inclined manner or stably clings to the protection plate.

Optionally, the guard plate includes pivot and two fly leaves, two the fly leaf is all rotated and is connected in the pivot, the pivot is provided with the restriction piece, the restriction piece is used for making the rotation angle of fly leaf relative pivot restrict in 180, and at least two the diagonal brace all is located the rotation angle of fly leaf, the pivot still is provided with first mounting, first mounting is used for making the contained angle between two fly leaves be fixed in 180.

Through adopting above-mentioned technical scheme, two fly leaves the mutual rotation coincidence in order to reduce the guard plate and stacks shared area, and when the pivot made two fly leaves the coincidence, leave the space that has two diagonal brace between two fly leaves. The limiting piece limits the rotation angle of the movable plate relative to the rotating shaft to be within 180 degrees, and the limiting piece enables the movable plate to rotate towards the side wall of one side of the other movable plate, where the inclined supporting rods are arranged, so that when the two movable plates are overlapped, the two inclined supporting rods are located between the two movable plates, and a plurality of protection plates can be stacked conveniently. The first fixing piece enables the two movable plates to be kept on the same plane, so that the two movable plates can stabilize the periphery of the foundation pit for enclosure.

Optionally, the limiting piece includes two fixed connection in the baffle of pivot, two the baffle is located the coplanar, and two the baffle is all perpendicular to the plane of rotation of fly leaf, two the baffle is located the guard plate and keeps away from one side of diagonal brace.

Through adopting above-mentioned technical scheme, baffle restriction fly leaf is provided with the lateral wall rotation of diagonal brace towards keeping away from another fly leaf for the fly leaf can only be provided with the lateral wall rotation of diagonal brace towards another fly leaf, when making two fly leaves coincide, two diagonal brace are located between two fly leaves, in order to stack a plurality of guard plates.

Optionally, the first mounting includes first fixed buckle and wears to locate the first fixing bolt of first fixed buckle, first fixed buckle buckles simultaneously and establishes and slide the tip of connecting in the upper portion of fly leaf and pivot, the length of fixed buckle is greater than the diameter of pivot, and two the first screw has all been seted up to the terminal surface of the upper side wall of fly leaf and pivot.

Through adopting above-mentioned technical scheme, when first fixed buckle was only detained and is located one of them fly leaf, two fly leaves can rotate relatively and fold. The first fixing buckle plate is slipped to the end face of the rotating shaft, and the first fixing bolt is inserted into the first screw hole of the rotating shaft and is in threaded connection with the first fixing bolt. Because the length of the first fixed buckle plate is greater than the diameter of the rotating shaft, the first fixed buckle plate is buckled on the two movable plates at the same time to limit the relative rotation of the two movable plates, so that the two movable plates are kept on the same plane, and the periphery of the foundation pit can be stabilized by the two movable plates for enclosure.

Optionally, the rotating shaft is provided with a second fixing piece, and the second fixing piece enables an included angle between the two movable plates to be fixed at 0 degrees.

Through adopting above-mentioned technical scheme, laminate and be fixed in the guard plate with the diagonal brace after, rotate two fly leaves relatively and fold the back, the second mounting makes two fly leaves can be fixed laminating together to reduce and stack two fly leaves and take place to separate in the transportation on the way, and cause the guard plate to stack unstable, the unsafe possibility of transportation.

Optionally, the second mounting includes second fixed plate and second fixing bolt, the second fixed plate rotates to be connected in first fixed buckle, first fixed buckle is located one of them fly leaf, the second fixed plate is set up in another fly leaf, just second fixing bolt wears to establish and threaded connection in another fly leaf.

Through adopting above-mentioned technical scheme, slide first fixed buckle to one of them fly leaf for first fixed buckle is only detained and is located one of them fly leaf, with two fly leaves relative rotation fold the back, set up the second fixed plate in another fly leaf, and wear to establish and threaded connection in another fly leaf with the second fixing bolt, with fix the relative position of two fly leaves, with two fly leaves separate in stacking the transportation in order to reduce, and cause the guard plate to stack unstable, the unsafe possibility of transportation.

Optionally, guard plate bolted connection has the spliced pole, the second screw has been seted up to the bottom of spliced pole, the second screw is used for making spliced pole bolted connection in ground.

Through adopting above-mentioned technical scheme, carry out the equipment through the spliced pole so that to two adjacent guard plates and connect, be fixed in ground with the guard plate through two spliced poles simultaneously for when the guard plate stable connection is in ground, so that dismantle the guard plate, and be convenient for classify to guard plate and spliced pole and stack and transport, in order to promote the convenience to foundation ditch rail guard transportation.

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

1. the locking piece is released from locking the rotation of the movable rods, and the threaded sleeve is rotated to shorten and fix the distance between the two movable rods so as to attach the movable rods to the protection plates, so that when the protection plates are stacked while being stably inclined, the space occupied by the stacked protection frames is smaller, and the stacking and transportation of the protection frames are facilitated;

2. the two movable plates are mutually rotated and overlapped to reduce the horizontal area occupied by stacking the protection plates, and when the two movable plates are overlapped by the rotating shaft, a space with two diagonal braces is reserved between the two movable plates;

3. the second fixing piece enables the two movable plates to be fixedly attached together, so that the possibility that the two movable plates are easy to separate in the process of stacking and transporting, and the protection plates are unstable in stacking and unsafe in transporting is reduced.

Drawings

Fig. 1 is a first structural schematic diagram of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a diagonal brace in an embodiment of the utility model.

Fig. 3 is a schematic structural view of a locking member according to an embodiment of the present utility model.

Fig. 4 is a second structural schematic diagram of an embodiment of the present utility model.

Reference numerals: 1. a protection plate; 11. a rotating shaft; 12. a movable plate; 2. a diagonal brace; 21. a thread sleeve; 22. a movable rod; 3. a locking member; 31. a first lock lever; 32. a second lock lever; 33. a locking bolt; 4. a first screw hole; 5. a restriction member; 51. a baffle; 6. a first fixing member; 61. a first fixed buckle plate; 62. a first fixing bolt; 7. a second fixing member; 71. a second fixing plate; 72. a second fixing bolt; 8. a connecting column; 81. a second screw hole; 82. a first connection plate; 83. and a second connecting plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a municipal construction foundation pit support structure. Referring to fig. 1 and 2, the municipal construction foundation pit support structure comprises a protection plate 1 and two inclined supporting rods 2, wherein the protection plate 1 is of a rectangular plate-shaped structure, the two inclined supporting rods 2 are arranged on the same side wall of the protection plate 1, the two inclined supporting rods 2 are arranged at intervals along the horizontal direction, and the two inclined supporting rods 2 are arranged in parallel. The diagonal brace 2 comprises a threaded sleeve 21 and two movable rods 22, wherein one movable rod 22 is rotatably connected to the protection plate 1, the two movable rods 22 are arranged with the central axis, and the threaded sleeve 21 is sleeved with the two movable rods 22 at the same time and is in threaded connection with the two movable rods 22.

Referring to fig. 1 and 3, the screw bosses 21 of the two diagonal braces 2 are each provided with a locking member 3, a first locking lever 31, a second locking lever 32 and a locking bolt 33 simultaneously penetrating the first locking lever 31 and the second locking lever 32, one end of the second locking lever 32 is rotatably connected to the shielding plate 1, the first locking lever 31 is rotatably connected to the other end of the second locking lever 32, the first locking lever 31 is rotatably connected to the screw bosses 21, and rotation planes of the first locking lever 31 and the second locking lever 32 are parallel to each other. The lock bolt 33 is screwed to the first lock lever 31, and the second lock lever 32 is sandwiched between the screw head of the lock bolt 33 and the first lock lever 31.

The protection plate 1 is vertically fixed on the ground around the foundation pit, and the movable rod 22 rotates relative to the protection plate 1. The locking bolt 33 is rotated such that the screw head of the locking bolt 33 abuts against the second locking lever 32, and the screw head of the locking bolt 33 and the first locking lever 31 clamp the second locking lever 32 to restrict the mutual rotation of the first locking lever 31 and the second locking lever 32 to lock the rotation of the movable lever 22 relative to the shield plate 1. The threaded sleeve 21 is then rotated to increase and fix the distance between the two movable rods 22, so that the movable rods 22 can collide with the ground, and the two movable rods 22 can stably support the protection plate 1, thereby increasing the stability of fixing the protection plate 1 on the ground.

After the foundation pit excavation engineering is finished, the protection plate 1 is detached relative to the ground. Rotating the locking bolt 33 so that the screw head of the locking bolt 33 is away from the second locking lever 32, so that the first locking lever 31 and the second locking lever 32 can rotate relative to each other to release the locking of the rotation of the movable lever 22 relative to the shield plate 1; and the thread bush 21 is rotated to shorten and fix the interval between the two movable rods 22, so that the two movable rods 22 can adapt to the area of the protection plate 1 to attach the movable rods 22 to the protection plate 1. When the movable rods 22 stabilize the inclined struts of the protection plates 1, when a plurality of protection plates 1 are stacked, the interval between two adjacent protection frames is smaller, so that the occupied space when the protection frames are stacked is smaller, and the protection plates 1 are stacked and transported conveniently.

Referring to fig. 1 and 3, in order to further reduce the area occupied by the shielding plate 1 when stacked, the shielding plate 1 includes a rotating shaft 11 and two movable plates 12, and both the movable plates 12 are rotatably connected to the rotating shaft 11. The rotating shaft 11 is provided with a limiting piece 5, the limiting piece 5 comprises two baffle plates 51 fixedly connected to the rotating shaft 11, the two baffle plates 51 are located on the same plane, the two baffle plates 51 are perpendicular to the rotating plane of the movable plate 12, and the two baffle plates 51 are located on one side, away from the diagonal brace 2, of the protection plate 1.

The two movable plates 12 are mutually rotated and overlapped to reduce the area occupied by stacking the protection plates 1, and when the two movable plates 12 are overlapped by the rotating shaft 11, a space with two diagonal braces 2 is reserved between the two movable plates 12. The baffle plate 51 restricts the rotation of the movable plate 12 toward the side wall away from the side wall of the other movable plate 12 where the diagonal brace 2 is provided, so that the movable plate 12 can only rotate toward the side wall of the other movable plate 12 where the diagonal brace 2 is provided, so that when the two movable plates 12 are overlapped, the two diagonal braces 2 are located between the two movable plates 12, so that the plurality of protection plates 1 can be stacked.

Referring to fig. 1 and 4, the rotating shaft 11 is further provided with a first fixing member 6, the first fixing member 6 includes a first fixing buckle plate 61 and a first fixing bolt 62, a cross-sectional profile of the first fixing buckle plate 61 is U-shaped, the first fixing buckle plate 61 is buckled and slidingly connected to an upper portion of the movable plate 12 and an end portion of the rotating shaft 11, and the first fixing bolt 62 penetrates through a bottom wall of the first fixing buckle plate 61. The length of the fixed buckle plate is larger than the diameter of the rotating shaft 11, and the upper side walls of the two movable plates 12 and the end face of the rotating shaft 11 are provided with first screw holes 4.

When the first fixing buckle 61 is only buckled on one of the movable plates 12, the two movable plates 12 can rotate relatively to fold. The first fixing buckle plate 61 is slid to the end face of the rotating shaft 11, and the first fixing bolt 62 is inserted and screwed into the first screw hole 4 of the rotating shaft 11. Because the length of the first fixed buckle plate 61 is greater than the diameter of the rotating shaft 11, the first fixed buckle plate 61 is buckled on the two movable plates 12 at the same time to limit the relative rotation of the two movable plates 12, so that the two movable plates 12 are kept on the same plane, and the periphery of the foundation pit can be stabilized by the two movable plates 12 for enclosure.

Referring to fig. 1 and 4, in order to reduce the possibility that the two movable plates 12 are easily separated during stacking and transportation after the two movable plates 12 are folded with respect to each other, and thus the stacking instability and the unsafe transportation of the protection plate 1 are caused, the rotation shaft 11 is provided with the second fixing member 7. The second fixing piece 7 comprises a second fixing plate 71 and a second fixing bolt 72, the second fixing plate 71 is rotatably connected to one side edge of the first fixing buckle plate 61, and the rotation plane of the second fixing plate 71 relative to the first fixing buckle plate 61 is perpendicular to the plane of the protection plate 1. The first fixing buckle 61 is located on one of the movable plates 12, the second fixing plate 71 is erected on the other movable plate 12, and the second fixing bolt 72 is penetrated and connected with the first screw hole 4 of the other movable plate 12 in a threaded manner.

The first fixing buckle plate 61 is slid to one of the movable plates 12, so that the first fixing buckle plate 61 is only buckled on one of the movable plates 12, after the two movable plates 12 are folded by rotating relatively, the second fixing plate 71 is erected on the other movable plate 12, and the second fixing bolts 72 are penetrated and connected with the other movable plate 12 in a threaded manner, so that the relative positions of the two movable plates 12 are fixed, and the possibility that the two movable plates 12 are separated in the stacking and transporting process, so that the shielding plate 1 is unstable in stacking and unsafe in transportation is reduced.

Referring to fig. 1 and 3, in order to facilitate assembly of a plurality of shielding plates 1, the shielding plates 1 are adjacently provided with connection posts 8, the connection posts 8 are fixedly connected with two first connection plates 82, and the shielding plates 1 are simultaneously bolted to the two connection plates. The bottom fixedly connected with second connecting plate 83 of spliced pole 8, second screw 81 has been seted up to second connecting plate 83, and second screw 81 is used for making spliced pole 8 bolted connection in ground.

The two adjacent protection plates 1 are assembled and connected through the connecting columns 8, and meanwhile, the protection plates 1 are fixed on the ground through the two connecting columns 8, so that the protection plates 1 are stably connected on the ground, the protection plates 1 are conveniently detached, and the protection plates 1 and the connecting columns 8 are conveniently classified, stacked and transported, so that convenience in transporting the foundation pit protective guard is improved.

The implementation principle of the municipal construction foundation pit support structure provided by the embodiment of the utility model is as follows: the protection plate 1 is vertically fixed on the ground around the foundation pit, and the movable rod 22 rotates relative to the protection plate 1. The locking bolt 33 is rotated so that the screw head of the locking bolt 33 abuts against the second locking rod 32 to lock the rotation of the movable rod 22 relative to the protection plate 1; the thread sleeve 21 is rotated again to increase and fix the distance between the two movable rods 22, so that the movable rods 22 can be abutted against the ground, and the two movable rods 22 can stably support the protection plate 1, so that the stability of the protection plate 1 fixed on the ground is improved.

After the foundation pit excavation engineering is finished, the protection plate 1 is detached relative to the ground. The screw head of the locking bolt 33 is far away from the second locking rod 32 by rotating the locking bolt 33, so that the first locking rod 31 and the second locking rod 32 can rotate mutually to release the locking of the movable rod 22 relative to the protection plate 1, the thread bush 21 is rotated again to shorten and fix the distance between the two movable rods 22, so that the two movable rods 22 are attached to the protection plate 1, when the movable rods 22 can stabilize the inclined support on the protection plate 1, and when a plurality of protection plates 1 are required to be stacked, the interval between two adjacent protection frames is smaller, and the occupied space when the protection frames are stacked is smaller, so that the protection plates 1 are stacked and transported conveniently.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a municipal construction foundation ditch building envelope which characterized in that: including guard plate (1) and two at least diagonal brace (2), at least two diagonal brace (2) are parallel to each other, diagonal brace (2) include thread bush (21) and two movable rods (22), one of them movable rod (22) rotate and connect in guard plate (1), thread bush (21) cover is established simultaneously and threaded connection in two movable rods (22), at least two movable rod (22) of diagonal brace (2) all are provided with locking piece (3), locking piece (3) are used for carrying out the locking to the rotation of movable rod (22) relative guard plate (1).

2. The municipal construction foundation pit enclosure of claim 1, wherein: the locking piece (3) comprises a first locking rod (31), a second locking rod (32) rotationally connected to the first locking rod (31) and a locking bolt (33) simultaneously penetrating through the first locking rod and the second locking rod, the first locking rod (31) and the second locking rod (32) are correspondingly rotationally connected to the protection plate (1) and the diagonal bracing rod (2) respectively, the locking bolt (33) is in threaded connection with the first locking rod (31), and the second locking rod (32) is clamped between a screw head of the locking bolt (33) and the first locking rod (31).

3. The municipal construction foundation pit enclosure of claim 1, wherein: guard plate (1) is including pivot (11) and two fly leaf (12), two fly leaf (12) all rotate and connect in pivot (11), pivot (11) are provided with limiting piece (5), limiting piece (5) are used for making the rotation angle of fly leaf (12) relative pivot (11) restrict in 180, and at least two diagonal brace (2) all are located the rotation angle of fly leaf (12), pivot (11) still are provided with first mounting (6), first mounting (6) are used for making the contained angle between two fly leaf (12) be fixed in 180.

4. The municipal construction foundation pit enclosure of claim 3, wherein: the limiting piece (5) comprises two baffle plates (51) fixedly connected to the rotating shaft (11), the two baffle plates (51) are located on the same plane, the two baffle plates (51) are perpendicular to the rotating plane of the movable plate (12), and the two baffle plates (51) are located on one side, far away from the inclined strut (2), of the protection plate (1).

5. The municipal construction foundation pit enclosure of claim 4, wherein: the first fixing piece (6) comprises a first fixing buckle plate (61) and a first fixing bolt (62) penetrating through the first fixing buckle plate (61), the first fixing buckle plate (61) is buckled simultaneously and glidingly connected to the upper portion of the movable plate (12) and the end portion of the rotating shaft (11), the length of the first fixing buckle plate (61) is larger than the diameter of the rotating shaft (11), and the two fixing buckle plates are provided with first screw holes (4) on the upper side wall of the movable plate (12) and the end face of the rotating shaft (11).

6. The municipal construction foundation pit enclosure of claim 5, wherein: the rotating shaft (11) is provided with a second fixing piece (7), and the second fixing piece (7) enables an included angle between the two movable plates (12) to be fixed at 0 degrees.

7. The municipal construction foundation pit enclosure of claim 6, wherein: the second fixing piece (7) comprises a second fixing plate (71) and a second fixing bolt (72), the second fixing plate (71) is rotationally connected to the first fixing buckle plate (61), the first fixing buckle plate (61) is located one of the movable plates (12), the second fixing plate (71) is erected on the other movable plate (12), and the second fixing bolt (72) penetrates through the other movable plate (12) and is in threaded connection with the other movable plate.

8. The municipal construction foundation pit enclosure of claim 1, wherein: the protection plate (1) is connected with a connecting column (8) through bolts, a second screw hole (81) is formed in the bottom of the connecting column (8), and the second screw hole (81) is used for enabling the connecting column (8) to be connected with the ground through bolts.