CN113404377A

CN113404377A - Foundation pit edge assembly type protective fence

Info

Publication number: CN113404377A
Application number: CN202110592576.1A
Authority: CN
Inventors: 袁啸天; 刘立平; 张顼; 罗爽; 杨思忠; 王金行
Original assignee: Beijing Residential Industrialization Group Co ltd
Current assignee: Beijing Residential Industrialization Group Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-09-17

Abstract

The invention discloses a foundation pit edge-adjacent assembled protective guard which is arranged on an edge of a foundation pit and formed by mutually connecting protective guard units, wherein each protective guard unit comprises a bottom plate, a guardrail and a fixing nail, the bottom plate is arranged on the edge of the foundation pit through the fixing nail, the guardrail is arranged on the bottom plate, and adjacent protective guard units are connected through the guardrail to form a continuous protective guard. The guard rail of the invention forms continuous guard rails by the assembly type connection of guard rail units, can be stably and safely arranged on the adjacent edge of a foundation pit for a long time, plays an effective protection role, and has the advantages of stable structure, convenient assembly and disassembly and flexible adjustment; set up the staple and fix the bottom plate and face the limit in the foundation ditch, can effectively guarantee the fixed stability of bottom plate, strengthen the overall stability of rail guard structure and face the bonding strength on limit ground with the foundation ditch, and then guarantee the guard action of rail guard.

Description

Foundation pit edge assembly type protective fence

Technical Field

The invention relates to the technical field of building construction, in particular to a foundation pit edge assembly type guard rail.

Background

Temporary protection is needed to be arranged to protect personnel from falling when a deep foundation pit is excavated in a construction site, a steel pipe is generally erected by using fasteners, operation is complex when steel pipe components are adopted for erection, and due to the fact that the edge of the foundation pit is soil, potential safety hazards of loosening or falling exist after long-time use, and the safety protection effect cannot be effectively and stably played for a long time; also adopt customization type finished product protection frame as foundation ditch protection, have the convenient advantage of dismouting, but have the defect that can't effectively cooperate and stability security is not good enough in the in-service use process. The invention provides a foundation pit edge assembly type protective guard which solves the problems.

Disclosure of Invention

The invention provides a foundation pit edge-adjacent assembled protective guard which can be stably arranged on the edge of a foundation pit and plays a role in safety protection.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a foundation pit edge-adjacent assembled protective guard is arranged on an edge of a foundation pit and is formed by mutually connecting guardrail units, each guardrail unit comprises a base plate, a guardrail and a fixing nail, the base plate is arranged on the edge of the foundation pit through the fixing nail, the guardrail is arranged on the base plate, and the adjacent guardrail units are connected through the guardrail to form a continuous protective guard;

the bottom plate comprises a base plate and sleeves, the sleeves are arranged on the base plate in pairs, the fixing nails are located in the sleeves and inserted into the ground on the edge of the foundation pit, and the bottom ends of the railings are arranged in the sleeves and connected with the fixing nails.

Furthermore, the fixing nail comprises a conical outer barrel, an inserting rod and oblique inserting nails, the conical outer barrel is located in the sleeve, the lower portion of the conical outer barrel is inserted into the ground of the side of the foundation pit, the oblique inserting nails are arranged on the barrel wall of the conical outer barrel at intervals, and the inserting rod is located in an inner cavity of the conical outer barrel and is in contact with the inner ends of the oblique inserting nails.

Further, the base plate is provided with a side skirt edge and a butt joint groove, the side skirt edge is arranged on the inner side of the base plate and is parallel to the foundation pit slope, and the butt joint groove is arranged on the left side edge and the right side edge of the base plate and extends to the side skirt edge.

Furthermore, the butt joint groove comprises a first butt joint groove and a second butt joint groove, the first butt joint groove and the second butt joint groove are respectively arranged on the left side and the right side of the base plate, and the first butt joint groove and the second butt joint groove on the adjacent bottom plates are mutually butted.

Further, the railing includes stand, fixed railing and connects the railing, the stand is established in the sleeve, fixed railing and connection railing all connect on the stand, fixed railing establishes on same bottom plate, it establishes between adjacent bottom plate to connect the railing.

Further, the left and right sides of fixed railing and connection railing all is equipped with the joint card, the left and right sides of stand is equipped with corresponding draw-in groove, during the draw-in groove was gone into to the joint card of fixed railing and connection railing, will fix the railing and connect on the stand.

Further, the fixed railing is a fixed grid, and the connecting railings are telescopic grids.

Furthermore, the top end of the inserted bar is exposed out of the top end of the sleeve, and the bottom end of the upright post is connected to the top end of the inserted bar and is positioned in the inner cavity of the sleeve.

Furthermore, the conical outer cylinder is provided with corresponding inclined holes, and the inclined insertion nails are arranged in the inclined holes; the inclined hole is internally provided with an annular groove, the tail part of the inclined insertion nail is provided with an annular table, the inclined insertion nail is sleeved with a spring, the spring is positioned in the annular groove in the inclined hole, and the outer end of the spring is connected to the annular table.

Furthermore, the bottom of the sleeve is provided with a bearing slope surface, and the outer wall of the conical outer barrel is provided with a corresponding butt joint slope surface.

The invention has the following beneficial effects:

the guard rail is formed by connecting guard rail units in an assembling manner to form a continuous guard rail, can be stably and safely arranged on the edge of the foundation pit for a long time, plays an effective protection role, and has the advantages of stable structure, convenience in disassembly and assembly and flexibility in adjustment;

the fixing nails are arranged to fix the bottom plate on the edge of the foundation pit, so that the fixing stability of the bottom plate can be effectively ensured, the overall stability of the guard rail structure and the bonding strength with the edge ground of the foundation pit are enhanced, and the protection effect of the guard rail is further ensured;

the fixed railings and the connecting railings are arranged, so that the guard rails adapt to the shape of the foundation pit to form continuous guard rails, the adaptability is strong, and the use is flexible and convenient.

Drawings

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic view of the guardrail unit structure of the present invention;

FIG. 3 is a schematic view of the bottom plate structure of the present invention;

FIG. 4 is a schematic view of the overall state of the staple of the present invention;

fig. 5 is a schematic view of the connection state of the fixing nail of the present invention.

Reference numerals: 1-bottom plate, 11-base plate, 111-side skirt edge, 112-butt groove, 12-sleeve, 2-railing, 21-column, 22-fixed railing, 23-connecting railing, 3-fixed nail, 31-conical outer cylinder, 32-inserted rod and 33-oblique inserted nail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

As shown in fig. 1, 2, 5, a foundation ditch faces limit assembled rail guard, establishes at the foundation ditch and faces the edge, and by guardrail unit interconnect constitution, the guardrail unit includes bottom plate 1, railing 2 and staple 3, bottom plate 1 is established on the edge that faces of foundation ditch through staple 3, railing 2 is established on bottom plate 1, and adjacent guardrail unit passes through railing 2 and connects the continuous rail guard of formation.

According to the invention, the single guardrail unit is arranged and the adjacent guardrail units are connected to form the continuous and stable foundation pit guardrail, so that the guardrail is stably and safely arranged on the adjacent edge of the foundation pit to protect personnel; meanwhile, the operation of placing and connecting the guardrail units is simple, and the construction efficiency is effectively improved; the security protection effect is reinforced through the fixing nails, so that the whole protective fence can be stably erected on the edge of the foundation pit and is not easy to loosen, fall off or topple over.

As shown in fig. 2 and 3, the base plate 1 includes a base plate 11 and sleeves 12, the sleeves 12 are arranged on the base plate 11 in pairs, the fixing nails 3 are located in the sleeves 12 and inserted into the ground beside the foundation pit, and the bottom ends of the balustrades 2 are arranged in the sleeves 12 and connected with the fixing nails 3.

Preferably, the bottom end of the sleeve 12 is flush with the bottom surface of the base plate 11, so that the placement of the base plate 11 is not affected, and the top end of the sleeve 12 extends out of the top surface of the base plate 11 to serve as a placement hole for placing the fixing nail 3 and an insertion fixing sleeve for inserting the rail 2.

As shown in fig. 4 and 5, further, the fixing nail 3 includes a tapered outer cylinder 31, an inserting rod 32 and an oblique inserting nail 33, the tapered outer cylinder 31 is located in the sleeve 12, the lower part of the tapered outer cylinder 31 is inserted into the ground beside the foundation pit, the oblique inserting nail 33 is arranged on the wall of the tapered outer cylinder 31 at intervals, and the inserting rod 32 is located in the inner cavity of the tapered outer cylinder 31 and contacts with the inner end of the oblique inserting nail 33.

As shown in fig. 5, the fixing principle of the fixing nail 3 is as follows: the staple 3 is placed in sleeve 12, the bottom of toper urceolus 31 stretches out from sleeve 12 bottom and inserts in the soil body on foundation ditch limit, fix placing of bottom plate 1 as vertical reinforcement nail, avoid bottom plate 1 to move on the horizontal direction, toper urceolus 31 inserts the back of targetting in place, will insert pole 32 and promote downwards, make the bottom of inserted pole 32 and insert the contact of nail 33 to one side, in the time of inserted pole 32 downstream, promote to insert to one side that nail 33 stretches out and inserts in the soil body, establish and insert the nail 33 to one side in toper urceolus 31 periphery and stretch out the back completely, play resistance to plucking and anti-rotation's effect, and then guarantee that bottom plate 1 is stable fixes on the foundation ditch even.

As shown in fig. 3, the substrate 11 is further provided with a side skirt 111 and a butt-joint groove 112, the side skirt 111 is arranged on the inner side of the substrate 11 and is parallel to the foundation pit slope, and the butt-joint groove 112 is arranged on the left and right sides of the substrate 11 and extends to the side skirt 111.

Further, the docking slot 112 includes a first docking slot and a second docking slot, which are respectively disposed on the left and right sides of the substrate 11, and the first docking slot and the second docking slot on the adjacent bottom plate 1 are docked with each other.

Preferably, the docking slot 112 is a semicircular slot or a V-shaped slot.

Preferably, the substrate 11 is a reinforced concrete structure, and the sleeve 12 is a pre-buried steel pipe.

As shown in fig. 1, when the foundation pit is arranged at the edge of a straight foundation pit, adjacent bottom plates 1 are continuously connected and are mutually connected in a buckling manner through a butt-joint groove 112, and the adjacent bottom plates 1 are connected by adopting a fixed rail 22 or a connecting rail 23; when establishing in crooked foundation ditch and facing limit or corner, the setting of bottom plate 1 interval, adjacent bottom plate 1 is connected through connecting railing 23.

As shown in fig. 1, further, the balustrade 2 includes a post 21, a fixed balustrade 22 and a connecting balustrade 23, the post 21 is disposed in the sleeve 12, the fixed balustrade 22 and the connecting balustrade 23 are both connected to the post 21, the fixed balustrade 22 is disposed on the same base plate 1, and the connecting balustrade 23 is disposed between the adjacent base plates 1. The upright posts 21 are used as connecting rods for the fixed railings 22 and the connecting railings 23, when the railings 2 are placed, the upright posts 21 are placed in the sleeves 12, the fixed railings 22 are placed between the two upright posts 32 on the single base plate 1, and then the fixed railings 22 and the connecting railings 23 are selected to connect the adjacent base plates 1 according to the distance between the adjacent base plates 1.

Further, the left and right sides of fixed railing 22 and connection railing 23 all is equipped with the connection card, the left and right sides of stand 21 is equipped with corresponding draw-in groove, during the draw-in groove was gone into to fixed railing 22 and the connection card of connecting railing 23, will fix railing 22 and connect railing 23 and connect on stand 21.

Preferably, after the connecting clip of the connecting rail 23 is clipped into the clip slot of the upright post 21, the connecting clip can rotate in the horizontal plane, and when the bottom plate 1 is located at a bend or a corner, the flexible connection of the connecting rail 23 is realized.

Further, the fixed rail 22 is a fixed grid, and the connection rail 23 is a telescopic grid. The connecting handrail 23 adopts a telescopic grid, and can be flexibly suitable for the bottom plates 1 arranged at different intervals.

Further, the top end of the insertion rod 32 is exposed out of the top end of the sleeve 12, and the bottom end of the upright post 21 is connected to the top end of the insertion rod 32 and is located in the inner cavity of the sleeve 12.

Preferably, the top end of the tapered outer cylinder 31 is flush with the top end of the sleeve 12, the middle upper part of the tapered outer cylinder 31 is provided with a step platform, and the top outer diameter of the tapered outer cylinder 31 is smaller than the inner diameter of the sleeve 12. The bottom end of the upright post 21 is sleeved on the top ends of the inserted bar 32 and the conical outer cylinder 31, and the outer wall of the bottom end of the upright post 21 is attached to the inner cavity wall of the sleeve 12.

Further, an annular groove is arranged in the inner cavity of the conical outer cylinder 31, and an annular table is arranged in the middle of the inserted rod 32. When the insert rod 32 is inserted into the bottom end, the ring platform on the insert rod 32 is positioned at the ring groove bottom end of the conical outer cylinder 31.

Preferably, the inserted link 32 is provided with scale marks, and when the inserted link 32 is inserted to the bottom end, the scale marks on the inserted link are flush with the top end of the tapered outer cylinder 31.

As shown in fig. 4 and 5, further, a corresponding inclined hole is provided on the conical outer cylinder 31, and the inclined plug pin 33 is provided in the inclined hole; be equipped with the annular in the inclined hole, the afterbody of inserting nail 33 to one side is equipped with the ring platform, the cover is equipped with the spring on inserting nail 33 to one side, the spring is located the annular in the inclined hole, and the outer end of spring is connected on the ring platform. When the inserted link 32 is pushed downwards, the bottom of the inserted link 32 extrudes the inclined inserted nail 33, so that the inclined inserted nail overcomes the elastic force of the spring and moves outwards to be inserted into the soil body; when the fixing nail 3 is pulled out, the inserting rod 32 is pulled out upwards, then the inclined inserting nail 33 is retracted inwards into the conical outer cylinder 31 under the action of the spring, and then the operator pulls out the conical outer cylinder 31.

Preferably, the bottom of the oblique plug pin 33 is conical, and the tail end of the oblique plug pin 33 is hemispherical.

Further, the bottom of the sleeve 12 is provided with a bearing slope, and the outer wall of the conical outer cylinder 31 is provided with a corresponding butt joint slope. When the top end of the tapered outer cylinder 31 is flush with the sleeve 12, the abutting slope on the outer wall of the tapered outer cylinder 31 is abutted with the receiving slope at the bottom of the sleeve 12, and the tapered outer cylinder 31 is inserted into position.

The method for assembling and disassembling the fixing nail 3 is as follows: when the device is installed, the conical outer cylinder 31 is firstly placed into the sleeve 12, an operator uses a heavy object to knock the top end of the conical outer cylinder 31, and the conical outer cylinder 31 is inserted into a soil body until the top end of the conical outer cylinder 31 is flush with the top end of the sleeve 12; the plunger 32 is then inserted into the tapered outer cylinder 31, the plunger 32 is struck with a weight until it is fully inserted, and then the setting of the column 21 is performed. When the guardrail is detached, the guardrail 2 is detached, the inserted rod 32 is pulled out, then the conical outer cylinder 31 can be pulled out, then the base plate 1 is detached, or the base plate 1 and the conical outer cylinder 31 can be detached from the soil body together, and then the conical outer cylinder 31 is pulled out from the sleeve 12.

The construction method of the invention comprises the following steps:

firstly, scribing and positioning: marking and positioning the positions where the guardrail units are placed according to the shape of the foundation pit;

secondly, placing the bottom plate 1: placing the bottom plates 1 one by one according to the scribing positions;

thirdly, fixing the bottom plate 1: fixing the base plate 1 on the adjacent edge of the foundation pit by using the fixing nails 3 one by one from front to back, and flexibly adjusting the position of the base plate 1 in the fixing process;

fourthly, installing the handrail 2: the balustrades 2 are installed one by one from front to back, the post 21 is installed first, and then the fixed balustrade 22 or the connecting balustrade 23 is connected to the post 21 to form a continuous guardrail until the completion.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a foundation ditch faces limit assembled rail guard, establishes and faces the edge at the foundation ditch, characterized by, by guardrail unit interconnect constitution, the guardrail unit includes bottom plate (1), railing (2) and staple (3), bottom plate (1) is established on the edge of foundation ditch through staple (3), railing (2) are established on bottom plate (1), adjacent guardrail unit passes through railing (2) and connects and form continuous rail guard;

the base plate (1) comprises a base plate (11) and sleeves (12), the sleeves (12) are arranged on the base plate (11) in pairs, the fixing nails (3) are located in the sleeves (12) and are inserted into the ground beside the foundation pit, and the bottom ends of the railings (2) are arranged in the sleeves (12) and are connected with the fixing nails (3).

2. The foundation pit edge-mounted protective guard as claimed in claim 1, wherein: the fixing nail (3) comprises a conical outer cylinder (31), an inserting rod (32) and oblique inserting nails (33), the conical outer cylinder (31) is located in the sleeve (12), the lower portion of the conical outer cylinder (31) is inserted into the ground of the edge of the foundation pit, the oblique inserting nails (33) are arranged on the wall of the conical outer cylinder (31) at intervals, and the inserting rod (32) is located in the inner cavity of the conical outer cylinder (31) and contacts with the inner ends of the oblique inserting nails (33).

3. The foundation pit edge-mounted protective guard as claimed in claim 1, wherein: the foundation ditch is characterized in that a side skirt edge (111) and a butt joint groove (112) are arranged on the base plate (11), the side skirt edge (111) is arranged on the inner side of the base plate (11) and is parallel to a foundation ditch slope, and the butt joint groove (112) is arranged on the left side edge and the right side edge of the base plate (11) and extends to the side skirt edge (111).

4. The foundation pit edge-mounted protective guard as claimed in claim 3, wherein: the butt joint groove (112) comprises a first butt joint groove and a second butt joint groove, the first butt joint groove and the second butt joint groove are respectively arranged on the left side and the right side of the base plate (11), and the first butt joint groove and the second butt joint groove on the adjacent bottom plates (1) are mutually butted.

5. The foundation pit edge-mounted protective guard as claimed in claim 2, wherein: railing (2) include stand (21), fixed railing (22) and connect railing (23), establish in sleeve (12) stand (21), fixed railing (22) and connection railing (23) are all connected on stand (21), fixed railing (22) are established on same bottom plate (1), it establishes between adjacent bottom plate (1) to connect railing (23).

6. The foundation pit edge-mounted protective guard as claimed in claim 5, wherein: the left and right sides of fixed railing (22) and connection railing (23) all is equipped with the connection card, the left and right sides of stand (21) is equipped with corresponding draw-in groove, during the draw-in groove was gone into to the connection card of fixed railing (22) and connection railing (23), will fix railing (22) and connect railing (23) and connect on stand (21).

7. The foundation pit edge-mounted protective guard as claimed in claim 5, wherein: the fixed railing (22) is a fixed grid, and the connecting railing (23) is a telescopic grid.

8. The foundation pit edge-mounted protective guard as claimed in claim 6, wherein: the top end of the inserted bar (32) is exposed out of the top end of the sleeve (12), and the bottom end of the upright post (21) is connected to the top end of the inserted bar (32) and is positioned in the inner cavity of the sleeve (12).

9. The foundation pit edge-mounted protective guard as claimed in claim 2, wherein: the conical outer cylinder (31) is provided with corresponding inclined holes, and the inclined inserting nails (33) are arranged in the inclined holes; the inclined hole is internally provided with an annular groove, the tail part of the inclined inserting nail (33) is provided with an annular table, the inclined inserting nail (33) is sleeved with a spring, the spring is positioned in the annular groove in the inclined hole, and the outer end of the spring is connected to the annular table.

10. The foundation pit edge-mounted protective guard as claimed in claim 2, wherein: the bottom of the sleeve (12) is provided with a bearing slope, and the outer wall of the conical outer cylinder (31) is provided with a corresponding butt joint slope.