CN113653353B - Municipal works foundation ditch safety device - Google Patents

Abstract

The utility model relates to a municipal works foundation ditch safety device relates to the field of foundation ditch construction technique, and it includes a plurality of precast piles of arranging along the foundation ditch periphery, and each precast pile all inserts in the soil body, all is fixed with the pole setting on each precast pile, all is connected with two horizontal poles that are parallel to each other between two adjacent pole settings, and it has a plurality of grid plates of arranging along horizontal pole length direction to peg graft between two relative horizontal poles, and the grid plate passes through the locating part and fixes mutually with the horizontal pole. This application has the effect of accelerating foundation ditch protection system installation rate.

Description

Municipal works foundation ditch safety device

Technical Field

The application relates to the field of foundation pit construction technology, in particular to a municipal engineering foundation pit safety device.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, protective guards are installed on the periphery of the foundation pit in order to guarantee safety in the foundation pit construction process, the whole foundation pit is surrounded, and external personnel are reminded of forbidding the foundation pit.

When the guard rail in the related art is installed, a circle of concrete foundation needs to be poured on the ground firstly, and then the guard rail is fixed on the concrete one by one through bolts.

Disclosure of Invention

In order to accelerate the installation rate of foundation ditch protection system, this application provides a municipal works foundation ditch safety device.

The application provides a municipal works foundation ditch safety device adopts following technical scheme:

the utility model provides a municipal works foundation ditch safety device, includes a plurality of precast piles of arranging along the foundation ditch periphery, each in the precast pile all inserts the soil body, each all be fixed with the pole setting on the precast pile, all be connected with two horizontal poles that are parallel to each other between two adjacent pole settings, the grafting has a plurality of grid boards of arranging along horizontal pole length direction between two relative horizontal poles, the grid board passes through the locating part and fixes mutually with the horizontal pole.

Through adopting above-mentioned technical scheme, during the installation, the operator pegs graft the grid board in proper order between two horizontal poles, rethread locating part with the grid board fixed can, simple and convenient adopts the precast pile as basic component simultaneously, but direct construction has increased foundation ditch safety device's construction speed.

Optionally, the limiting part includes an angle plate, a screw rod and a nut, the angle plate is fixed on the side wall of the grating plate, a through groove is formed in the angle plate, one end of the through groove extends downwards out of the angle plate, the screw rod is vertically connected to the side wall of the cross rod and inserted into the through groove, and the nut is in threaded connection with the screw rod and tightly abuts against the angle plate.

Through adopting above-mentioned technical scheme, the operator twists the nut and supports tightly with the scute, has restricted the relative position between scute and horizontal pole to fix the grid board, the installation is simple and convenient.

Optionally, a first sliding groove penetrating along the length of the cross rod is formed in the cross rod, a sliding block is connected in the first sliding groove in a sliding mode, a second sliding groove communicated with the first sliding groove is formed in the side wall of the cross rod, and one end of the screw rod penetrates into the first sliding groove through the second sliding groove and is fixed with the sliding block.

Through adopting above-mentioned technical scheme, the operator can remove the actual position cooperation of spacing post and scute, has increased the flexibility and the convenience of installation.

Optionally, a plurality of mounting grooves distributed at intervals are formed in the side wall of the cross rod, and the mounting grooves are matched with the sliding blocks in an inserting mode.

Through adopting above-mentioned technical scheme, operator's accessible mounting groove inserts the slider, slides again to first spout in, realizes the rapid Assembly of slider.

Optionally, be equipped with the channel-section steel between two adjacent precast piles, precast pile lateral wall reservation has the fixed slot, sliding connection has the push pedal in the fixed slot, the fixed slot internal rotation is connected with first double-screw bolt and dabber, first double-screw bolt pass the push pedal and with push pedal threaded connection, the dabber is located first double-screw bolt top, and all is equipped with the gear on dabber and the first double-screw bolt, two gear intermeshing, one side of channel-section steel is fixed with a plurality of bracing pieces towards the push pedal, the channel-section steel terminal surface is seted up and is supplied bracing piece male draw-in groove, grid board lower extreme is pegged graft in the channel-section steel.

By adopting the technical scheme, the lower ends of the grid plates are fixed by the inserting and matching of the grid plates and the channel steel, so that the integral shock resistance of the grid plates is improved; an operator rotates the mandrel, the first stud is driven to rotate through meshing transmission between the gears, and the first stud drives the push plate to move, so that the support rod is driven to move forwards or backwards.

Optionally, the bottom surface of the channel steel is provided with a square tube, and one side of the square tube, which deviates from the channel steel, is provided with a plurality of anchor bars inserted into the soil.

By adopting the technical scheme, the anchor bars fix the square tubes, so that the effect of sharing impact load on the protection device is achieved, and the overall stability of the protection device is further improved; during rainfall, each square pipe is surrounded on the outer side of the foundation pit, partial rainwater is prevented from directly flowing into the foundation pit, and accumulated water pressure in the foundation pit is reduced.

Optionally, the both ends of square pipe are sealed, and one side that each side pipe deviates from the foundation ditch all is equipped with the water inlet, each one side of square pipe orientation in the foundation ditch all is connected with the drain pipe, and the peripheral pre-buried water conservancy diversion frid that has along its outer profile distribution of foundation ditch, each the delivery port of drain pipe all is located the water conservancy diversion frid top.

Through adopting above-mentioned technical scheme, during the rainfall, in partial terrestrial rainwater inflow square tube, in the water channel plate was led in by the collection of drain pipe again, be convenient for centralized processing, cyclic utilization reduce the possibility that the rainwater is detained simultaneously.

Optionally, a grid net is laid on one side of the water chute plate facing the foundation pit, and the grid net extends to the slope surface of the foundation pit.

By adopting the technical scheme, the grid net plays a role in inhibiting the movement of the soil body, and is beneficial to improving the safety of foundation pit construction.

Optionally, a hook is arranged on the side wall of the water guide chute, and the hook is buckled with the grid mesh.

Through adopting above-mentioned technical scheme, the grid net is hung on the couple, and loading and unloading are convenient.

Optionally, a fixing ring corresponding to the vertical rod is arranged on the water chute plate, a limiting cylinder is inserted in the fixing ring, a plurality of limiting grooves are formed in the side wall of the limiting cylinder, a limiting plate is hinged to the wall of each limiting groove, a guide conical block is arranged on one side, facing the axis of the limiting cylinder, of each limiting plate, an ejector rod is inserted in the limiting cylinder, an inclined strut is connected between the limiting cylinder and the vertical rod, the side walls of the limiting cylinder and the vertical rod are hinged to second studs, two second studs are connected to screw sleeves in a threaded manner, two ends of the inclined strut are respectively inserted into the two screw sleeves, two ends of the inclined strut are hinged to third studs, a support for the third studs to rotate and to be placed in is arranged on each screw sleeve, and a butterfly nut for supporting the support to abut against is connected to the third studs in a threaded manner.

By adopting the technical scheme, an operator firstly presses the limiting cylinder into the soil body, then inserts the ejector rod into the limiting cylinder, and pushes the guide conical block to force the limiting plate to be outwards embedded into the soil body, so that the pulling resistance of the limiting cylinder is increased, the water chute plate is reinforced, and the traction force of the water chute plate on the grid mesh is ensured; the vertical rods and the water chute plate are connected into a whole through the inclined support rods, so that loads among the vertical rods and the water chute plate can be transmitted and dispersed, and the stability of the protective device is enhanced; when the diagonal brace is disassembled, an operator only needs to rotate the butterfly nut to separate from the support, and then twists the threaded sleeve to separate from the diagonal brace, so that the operation is simple and convenient.

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

1. the grating plates are fixed by inserting and limiting pieces, so that the installation is simple and convenient;

2. part of the rainwater on the ground flows into the square pipe and then is converged into the water guide groove plate through the water discharge pipe, so that the centralized treatment and the cyclic utilization are facilitated, and the possibility of rainwater retention is reduced; the vertical rods and the water chute plate are connected into a whole through the inclined supporting rods, so that loads among the vertical rods and the water chute plate can be transmitted and dispersed, and the stability of the protective device is enhanced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the embodiment of the present application for embodying a precast pile and an upright rod.

Fig. 3 is a schematic structural diagram for embodying a limiting element according to an embodiment of the disclosure.

Fig. 4 is a schematic structural diagram for embodying the square tube and the anchor bar in the embodiment of the present application.

Fig. 5 is an enlarged view of a point a in fig. 4.

Fig. 6 is a schematic structural diagram for embodying the limiting cylinder and the ejector rod in the embodiment of the application.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is an enlarged view at C in fig. 6.

Description of reference numerals: 1. prefabricating a pile; 11. erecting a rod; 12. a cross bar; 13. a grid plate; 2. a limiting member; 21. a gusset; 22. a screw; 23. a nut; 24. a through groove; 25. a first chute; 251. a slider; 26. a second chute; 27. mounting grooves; 3. channel steel; 31. a fixing groove; 311. a first stud; 312. a mandrel; 32. pushing a plate; 321. a support bar; 33. a gear; 34. a card slot; 4. square tubes; 41. anchoring ribs; 42. a water inlet; 43. a drain pipe; 44. a water guide channel plate; 45. a grid net; 46. hooking; 5. a fixing ring; 51. a limiting cylinder; 52. a limiting groove; 53. a limiting plate; 531. a guide cone block; 54. a top rod; 55. a diagonal brace; 56. a second stud; 57. a threaded sleeve; 571. a support; 58. a third stud; 581. butterfly nuts.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses municipal works foundation ditch safety device. If fig. 1 and fig. 2, municipal works foundation ditch safety device includes a plurality of precast pile 1 along the peripheral length direction interval arrangement of foundation ditch, 1 lower extreme of each precast pile all is the toper and inserts in the soil body, 1 upper end of each precast pile all is higher than ground, and all vertically be fixed with pole setting 11 on each precast pile 1, pole setting 11 bottom is pre-buried in precast pile 1, all be connected with two horizontal poles 12 that are parallel to each other between two adjacent pole settings 11, it has a plurality of grid plates 13 of arranging in proper order along its length direction to peg graft between two relative horizontal poles 12, grid plate 13 is fixed mutually with horizontal pole 12 through locating part 2.

As shown in fig. 3, a channel steel 3 is arranged between two adjacent precast piles 1, the section of the channel steel 3 is in a shape like a letter '21274', the notch is upward, two ends of the channel steel 3 are connected with the corresponding precast piles 1 through connecting pieces, and the lower end of the grid plate 13 is inserted into the channel steel 3, so that the displacement of the lower end of the grid plate 13 is limited, and the effect of reinforcing the grid plate 13 is achieved.

The limiting piece 2 comprises an angle plate 21, a screw rod 22 and a nut 23, wherein the angle plate 21 is L-shaped, one end of the angle plate 21 is vertically fixed on the side wall of the grating plate 13, the other end of the angle plate faces downwards, a through groove 24 is formed in the side wall of the downward end of the angle plate 21, and one end of the through groove 24 extends downwards out of the angle plate 21; a first sliding groove 25 penetrating through the cross rod 12 along the length direction is formed in the cross rod 12, a second sliding groove 26 penetrating through the cross rod 12 is formed in the inner wall of the first sliding groove 25, the second sliding groove 26 is opposite to the angle plate 21, the second sliding groove 26 is equal to the first sliding groove 25 in length, the groove width of the second sliding groove 26 is smaller than that of the first sliding groove 25, a sliding block 251 is connected in the first sliding groove 25 in a sliding mode, one end of a screw 22 is vertically fixed on the side wall of the sliding block 251, the other end of the screw 22 penetrates through the second sliding groove 26 and is in threaded connection with a nut 23, and the diameter of the nut 23 is larger than that of a through groove 24; the screw 22 is inserted into the through groove 24, the nut 23 is tightly pressed against the angle plate 21, the sliding block 251 is tightly pressed against the groove wall of the first sliding groove 25 under the pulling of the screw 22, the movement of the sliding block 251 is limited, and therefore the position of the grid plate 13 is fixed.

The lateral wall of the cross rod 12 is provided with a plurality of mounting grooves 27 arranged at intervals along the length direction, the mounting grooves 27 sequentially penetrate through the second sliding groove 26 and the first sliding groove 25, the inner contour of the mounting groove 27 is matched with the outer contour of the sliding block 251, and the sliding block 251 and the mounting groove 27 are in inserted fit, so that an operator can insert the sliding block 251 from the mounting groove 27 and then move the sliding block 251 into the first sliding groove 25, and the sliding block 251 can be rapidly mounted and dismounted.

As shown in fig. 4 and 5, the connecting member includes a fixing groove 31 reserved on the side wall of the precast pile 1, a notch of the fixing groove 31 is opposite to the end of the channel steel 3, a push plate 32 is slidably connected in the fixing groove 31, a plurality of support rods 321 are vertically arranged on one side of the push plate 32 facing the notch of the fixing groove 31, and clamping grooves 34 corresponding to the support rods 321 one to one are formed in the end surface of the channel steel 3; a first stud 311 and a mandrel 312 which are parallel to each other are rotationally connected in the fixing groove 31, the first stud 311 vertically penetrates through the push plate 32 and is in threaded connection with the push plate 32, the mandrel 312 is higher than the first stud 311 and is positioned above the push plate 32, gears 33 are arranged on the mandrel 312 and the first stud 311, and the two gears 33 are meshed with each other.

When the channel steel 3 is arranged between the two precast piles 1, an operator adjusts the supporting rod 321 to correspond to the clamping groove 34, then rotates the mandrel 312, the mandrel 312 drives the first stud 311 to rotate through transmission of the gear 33, the first stud 311 drives the push plate 32 to move close to the channel steel 3, and therefore the supporting rod 321 is driven to be inserted into the clamping groove 34, and the channel steel 3 is fixed.

As shown in fig. 4, the bottom surface of each channel steel 3 is provided with a square pipe 4, the square pipe 4 is supported on the ground, two ends of the square pipe 4 are sealed, the square pipe 4 is equal to the channel steel 3, the bottom surface of the square pipe 4 is provided with a plurality of anchor bars 41 arranged at intervals along the length direction of the square pipe, each anchor bar 41 is vertically inserted into the soil body, and the position of the square pipe 4 is reinforced.

Like fig. 3 and 6, the water inlet 42 has all been seted up to one side that each side pipe 4 deviates from the foundation ditch, and each side pipe 4 all is connected with a plurality of drain pipes 43 towards one side of foundation ditch, and the peripheral pre-buried guiding gutter 44 that has the distribution of following its outline of foundation ditch, and the one end that each drain pipe 43 kept away from square pipe 4 all is located guiding gutter 44 top. During rainfall, rainwater on the ground flows into the square pipe 4 through the water inlet 42 and then flows into the water guide groove plate 44 from the drain pipe 43, so that the flow rate of the rainwater directly flowing into the foundation pit is reduced, and meanwhile, water in the water guide groove plate 44 can be recycled after being precipitated.

One side of the water guide channel plate 44 facing the foundation pit is provided with a plurality of hooks 46, each hook 46 hooks a grid net 45, and the grid net 45 is laid on the ground and extends to the slope surface of the foundation pit to fix the soil on the slope surface of the foundation pit, so that the possibility of soil landslide is reduced.

If fig. 6 and fig. 7, one side that water conservancy diversion frid 44 deviates from the foundation ditch is equipped with the solid fixed ring 5 with 11 one-to-one of pole settings, gu it has spacing section of thick bamboo 51 to peg graft in the fixed ring 5, spacing section of thick bamboo 51 is inserted in the soil body, consolidate the position of water conservancy diversion frid 44, a plurality of spacing grooves 52 have been seted up to spacing section of thick bamboo 51 lateral wall, spacing groove 52 and the inside intercommunication of spacing section of thick bamboo 51, each spacing groove 52 roof all articulates there is limiting plate 53, limiting plate 53 is equipped with direction awl piece 531 towards one side of spacing section of thick bamboo 51 axis, the conical surface of direction awl piece 531 is along being close to spacing section of thick bamboo 51 axis slope downwardly extending. An ejector rod 54 is inserted in the limiting cylinder 51, the ejector rod 54 is abutted to the guide conical block 531, the limiting plate 53 is pushed to rotate outwards and be embedded into the soil body, and the pulling resistance of the limiting cylinder 51 is increased.

As shown in fig. 6 and 8, an inclined strut 55 is connected between the limiting cylinder 51 and the vertical rod 11, both ends of the inclined strut 55 are hinged with third studs 58, two third studs 58 are both in threaded connection with butterfly nuts 581, and the hinge axis of the third studs 58 is perpendicular to the inclined strut 55; the limiting cylinder 51 and the upright rod 11 are both hinged with second studs 56, both the second studs 56 are in threaded connection with threaded sleeves 57, both the threaded sleeves 57 are provided with supports 571, and the cross sections of the supports 571 are in a shape like 21274, and the openings of the supports deviate from the threaded sleeves 57. Two ends of the diagonal brace 55 are respectively inserted into the two screw sleeves 57 and abut against the bottoms of the screw sleeves 57, the third stud 58 is inserted into the support 571, the butterfly nut 581 is located on one side of the support 571, which is away from the hinge point of the third stud 58, and the butterfly nut 581 abuts against the support 571 to limit the rotation of the third stud 58, so that the diagonal brace 55 and the screw sleeves 57 are fixed. The inclined strut 55 pulls the upright stanchion 11 and the threaded sleeve 57, so that on one hand, the reinforcing effect on the positions of the upright stanchion 11 and the threaded sleeve 57 is achieved, and on the other hand, the enclosure system of the grid plate 13 where the upright stanchion 11 is located and the drainage and soil body reinforcing system where the water chute plate 44 is located are connected into a whole, thereby improving the stability of the whole safety protection device.

The implementation principle of the embodiment of the application is as follows: an operator firstly buries the water guide groove plate 44 in the soil body, inserts the limiting cylinder 51 into the fixing ring 5, exposes the upper end of the limiting cylinder 51 out of the ground, inserts the ejector rod 54 into the limiting cylinder 51, extrudes the guide conical block 531 during the downward movement of the ejector rod 54, and forces the limiting plate 53 to rotate outwards and embed in the soil body. Laying a grid net 45, and hanging the end part of the grid net 45 on a hook 46. The precast pile 1 is pressed into the soil body according to the length of the periphery of the foundation pit, the diagonal brace 55 is connected, two ends of the diagonal brace 55 are respectively inserted into the two corresponding threaded sleeves 57, the two threaded sleeves 57 are rotated to be abutted against the diagonal brace 55, the third stud 58 is rotated to be inserted into the support 571, the butterfly nut 581 is screwed to be abutted against the support 571, and the diagonal brace 55 is fixed. Installing the horizontal rods 12 and the channel steel 3, inserting the grid plates 13 one by one between the two horizontal rods 12, adjusting the positions of the screw rods 22 simultaneously, enabling the studs to be just in plug-in connection with the through grooves 24 when the lower ends of the grid plates 13 are inserted into the channel steel 3, screwing the nuts 23 to tightly support the angle plates 21, and fixing the positions of the grid plates 13. A plurality of grid plates 13 can share one installation foundation and are spliced in an inserting mode, and the fixing structure is simple and convenient to construct.

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 (8)

1. The utility model provides a municipal works foundation ditch safety device which characterized in that: the prefabricated pile foundation structure is characterized by comprising a plurality of prefabricated piles (1) arranged along the periphery of a foundation pit, wherein each prefabricated pile (1) is inserted into the soil body, vertical rods (11) are fixed on each prefabricated pile (1), two parallel transverse rods (12) are connected between every two adjacent vertical rods (11), a plurality of grid plates (13) arranged along the length direction of the transverse rods (12) are inserted between every two opposite transverse rods (12), and the grid plates (13) are fixed with the transverse rods (12) through limiting parts (2);

a channel steel (3) is arranged between two adjacent precast piles (1), a fixing groove (31) is reserved in the side wall of each precast pile (1), a push plate (32) is connected in the fixing groove (31) in a sliding mode, a first stud (311) and a mandrel (312) are connected in the fixing groove (31) in a rotating mode, the first stud (311) penetrates through the push plate (32) and is in threaded connection with the push plate (32), the mandrel (312) is located above the first stud (311), gears (33) are arranged on the mandrel (312) and the first stud (311), the gears (33) are meshed with each other, a plurality of support rods (321) are fixed on one side, facing the channel steel (3), of the push plate (32), a clamping groove (34) for inserting the support rods (321) is formed in the end face of the channel steel (3), and the lower end of a grid plate (13) is inserted in the channel steel (3);

channel-section steel (3) bottom surface is equipped with square pipe (4), one side that square pipe (4) deviate from channel-section steel (3) is equipped with a plurality of anchor bars (41) of inserting in the soil body.

2. The municipal engineering foundation pit safety device of claim 1, wherein: the limiting part (2) comprises an angle plate (21), a screw rod (22) and a nut (23), the angle plate (21) is fixed on the side wall of the grating plate (13), a through groove (24) is formed in the angle plate (21), one end of the through groove (24) extends downwards to the outside of the angle plate (21), the screw rod (22) is vertically connected to the side wall of the cross rod (12) and is inserted into the through groove (24), and the nut (23) is in threaded connection with the screw rod (22) and is tightly abutted to the angle plate (21).

3. The municipal engineering foundation pit safety device of claim 2, wherein: a first sliding groove (25) penetrating along the length of the cross rod (12) is formed in the cross rod (12), a sliding block (251) is connected in the first sliding groove (25) in a sliding mode, a second sliding groove (26) communicated with the first sliding groove (25) is formed in the side wall of the cross rod (12), and one end of a screw rod (22) penetrates into the first sliding groove (25) through the second sliding groove (26) and is fixed with the sliding block (251).

4. The municipal engineering foundation pit safety device of claim 3, wherein: the side wall of the cross rod (12) is provided with a plurality of mounting grooves (27) distributed at intervals, and the mounting grooves (27) are in plug-in fit with the sliding blocks (251).

5. The municipal engineering foundation pit safety device of claim 1, wherein: the both ends of square pipe (4) are sealed, and one side that each side pipe (4) deviate from the foundation ditch all is equipped with water inlet (42), each side pipe (4) all are connected with drain pipe (43) towards one side in the foundation ditch, and the peripheral pre-buried aqueduct board (44) that have along its outer profile distribution of foundation ditch, each the delivery port of drain pipe (43) all is located aqueduct board (44) top.

6. The municipal engineering foundation pit safety device of claim 5, wherein: one side of the water guide groove plate (44) facing the foundation pit is paved with a grid net (45), and the grid net (45) extends to the slope surface of the foundation pit.

7. The municipal engineering foundation pit safety device of claim 6, wherein: the side wall of the water guide groove plate (44) is provided with a hook (46), and the hook (46) is buckled with the grid mesh (45).

8. The municipal engineering foundation pit safety device of claim 6, wherein: the water guide groove plate (44) is provided with a fixing ring (5) corresponding to the upright rod (11), a limiting cylinder (51) is inserted in the fixing ring (5), the side wall of the limiting cylinder (51) is provided with a plurality of limiting grooves (52), the groove wall of each limiting groove (52) is hinged with a limiting plate (53), one side of each limiting plate (53) facing the axis of the limiting cylinder (51) is provided with a guide cone block (531), a mandril (54) is inserted in the limiting cylinder (51), an inclined strut (55) is connected between the limiting cylinder (51) and the upright rod (11), the side walls of the limiting cylinder (51) and the upright rod (11) are hinged with second studs (56), two second studs (56) are respectively in threaded connection with a threaded sleeve (57), two ends of the inclined strut (55) are respectively inserted in the two threaded sleeves (57), two ends of the inclined strut (55) are hinged with third studs (58), a stud support (571) for the third stud (58) to rotate is arranged on the threaded sleeve (57), and a butterfly nut (571) for the third stud support (58) to tightly abut against.

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