Foundation pit guardrail structure

Abstract

The utility model provides a foundation pit guardrail structure which comprises a plurality of foundation pit guardrail meshes which are connected together in the mode that vertical plug pins are matched with vertical plug pin holes, each foundation pit guardrail mesh comprises a protective fence and a shutter installation frame, and each protective fence comprises a left stand column, a right stand column and a blocking frame. The left end of the shutter mounting frame is inserted into a left vertical slot in the left stand column, the right end of the shutter mounting frame is inserted into a right vertical slot in the right stand column, a plurality of battens are connected in the shutter mounting frame, the battens are distributed in the vertical direction, an air outlet gap is formed between every two adjacent battens, one end of each batten in the width direction is low, and the other end of each batten in the width direction is high. One end of the air outlet gap is high, the other end of the air outlet gap is low, and the projection of the high end of the air outlet gap towards the batten in the horizontal direction is all located on the lower surface of the batten which surrounds the air outlet gap and is located above the air outlet gap. The foundation pit guardrail has the advantages of being capable of conducting permeable shielding and circulation secret shielding, and the problem that an existing foundation pit guardrail is single in shielding mode is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially relates to a foundation ditch guardrail structure. BACKGROUND

[0002] In the process of building foundation pit construction, the construction site and non-construction site are often isolated by construction guardrails to realize safe and environmentally-friendly construction. The existing construction fence has various structures, some of which are fully enclosed, and the inside and outside of the construction site cannot be observed, which affects the air circulation of the inside and outside of the site, especially when the construction site is small; some are set in the form of grid plates, which solve the problem of air circulation, but the inside and outside of the construction site can be seen, which cannot guarantee the privacy of the construction site. SUMMARY

[0003] The utility model aims at providing a foundation ditch guardrail structure which can both be transparent and can be hidden, solving the problem of single shielding mode of the existing foundation ditch guardrail.

[0004] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical solutions: a foundation ditch guardrail structure, characterized by comprising a plurality of foundation ditch guardrail meshes spliced together, the foundation ditch guardrail mesh comprising a protective fence and a louver mounting frame, the protective fence comprising a left vertical column, a right vertical column and a blocking frame connecting the left vertical column and the right vertical column together, a plurality of vertical dowels being arranged on the left side of the left vertical column, a plurality of vertical dowel holes being arranged on the right side of the right vertical column, adjacent foundation ditch guardrail meshes being detachably connected together by the vertical dowels inserted into the vertical dowel holes, a left vertical slot penetrating the upper end surface of the left vertical column being arranged on the right surface of the left vertical column, a right vertical slot penetrating the upper end surface of the right vertical column being arranged on the left surface of the right vertical column, the left end of the louver mounting frame being inserted into the left vertical slot and the right end being inserted into the right vertical slot, a plurality of slats being connected in the louver mounting frame, the slats being distributed in the up-down direction, an air outlet gap being formed between adjacent slats, one end of the slats in the width direction being low and the other end being high, one end of the air outlet gap being high and the other end being low, the high end of the air outlet gap in the horizontal direction towards the projection of the slats all being located on the lower surface of the slat above the air outlet gap. When in use, a plurality of foundation ditch guardrail meshes are sequentially butted together to protect the foundation ditch. If full shielding is not needed, the louver mounting frame is removed, and if needed, the louver mounting frame is installed, realizing the free selection of full shielding and non-full shielding. The combination and disassembly of the foundation ditch guardrail meshes are convenient. The connection mode of the louver mounting frame and the slats can not only maintain the ventilation of the inside and outside of the site, but also avoid seeing the inside of the construction site, and the dust in the construction site is not easy to blow out through the air outlet gap.

[0005] As preferred, the upper end of the vertical bolt hole is open and the lower end is closed, the vertical bolt is inserted into the vertical bolt hole from the upper end of the vertical bolt hole, and a power spring is arranged in the vertical bolt hole to lift the vertical bolt. This can save labor when disassembling adjacent trench guard fence panels.

[0006] As preferred, the guard fence is provided with a support leg, which includes a longitudinally extending longitudinal rod and vertical supports arranged at both ends of the longitudinal rod. The support is stable.

[0007] As preferred, the lower end of the vertical support is provided with a support leg plate. This can prevent the support leg from sinking too deep into the ground when the geology is soft.

[0008] As preferred, the longitudinal rod includes a first section connected to one of the vertical supports at one end, a second section telescopically arranged in the other end of the first section, and the other end of the second section is connected to the other vertical support. The span of the support leg can be adjusted as needed.

[0009] As preferred, a locking bolt is threadedly connected to the first section and tightly presses on the second section. The first section and the second section can be reliably maintained at a set relative position.

[0010] As preferred, the first section and the second section are cylindrical surface matched, the second section is provided with a locking plane extending along the extension direction of the second section, and the locking bolt abuts against the locking plane. This can avoid damage to the surface of the second section caused by the locking bolt, resulting in unsmooth telescoping.

[0011] As preferred, the blocking frame includes a plurality of cross bars extending in the left-right direction, the cross bars are distributed in the up-down direction, the left end of the cross bar is connected to the left stand column and the right end is connected to the right stand column, and the support leg has two, one connected to the lower end surface of the left stand column and the other connected to the lower end surface of the right stand column. The support is more reliable.

[0012] As preferred, the lower end of the board in the width direction is located on the side of the louver mounting frame away from the construction site, and the louver mounting frame is located on the side of the guard fence away from the construction site. The structure is compact.

[0013] As preferred, the surface of the board on the side facing the construction site and the surface of the louver mounting frame on the side facing the construction site are located on the same vertical plane. This is convenient for cleaning.

[0014] Beneficial effects: The trench guard fence panel is convenient to connect and separate; it can ensure that the shielding enclosure can ventilate, and it can also be an open enclosure; when shielding, it can take into account air permeability and construction site secrecy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the utility model;

[0016] Figure 2 is Figure 1 is a partial enlarged view of A of the schematic view of the utility model;

[0017] Figure 3 is a front view of the base pit fence mesh;

[0018] Figure 4 is Figure 3 is a partial enlarged view of B of the schematic view of the utility model;

[0019] Figure 5 is a front view of the base pit fence mesh when the louver mounting frame is removed;

[0020] Figure 6 is Figure 3 is a C-C cross-sectional view of the schematic view of the utility model;

[0021] Figure 7 is Figure 6 is a partial enlarged view of D of the schematic view of the utility model.

[0022] In the drawing: base pit fence mesh 1, louver mounting frame 2, left vertical column 3, right vertical column 4, horizontal blocking rod 5, vertical plug 6, vertical plug hole 7, booster spring 8, left vertical plug slot 9, locking bolt 10, right vertical plug slot 11, board 12, air outlet gap 13, high end of air outlet gap 14, support foot 15, longitudinal rod 16, vertical support 17, support foot plate 18, first section 19, second section 20, locking plane 21, construction site 22. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Referring to Figures 1 to 7A kind of foundation pit fence structure, including the splicing together several foundation pit fence sheet 1, foundation pit fence sheet includes guardrail and louver mounting frame 2.Guardrail includes left column 3, right column 4 and the blocking frame that left column and right column are connected together.Blocking frame includes several cross bars 5 extending along left and right direction, cross bar is distributed along the up and down direction, the left end of cross bar is connected together with left column, the right end is connected together with right column.The left side of left column is equipped with several vertical pins 6, and the right side of right column is equipped with several vertical pin holes 7.Adjacent foundation pit fence sheet is detachably connected together by vertical pin insertion in vertical pin hole, and the upper end of vertical pin hole is open and the lower end is closed, and vertical pin is inserted into vertical pin hole from the upper end of vertical pin hole, and vertical pin hole is equipped with the power spring 8 of lifting vertical pin.The right surface of left column is equipped with left vertical slot 9 passing through the upper end surface of left column, and left vertical slot is blind slot with lower end closed.The left surface of right column is equipped with right vertical slot 11 passing through the upper end surface of right column, and right vertical slot is blind slot with lower end closed.The left end of louver mounting frame is inserted in left vertical slot, and the right end is inserted in right vertical slot, and louver mounting frame is connected with several battens 12, and batten is distributed along the up and down direction, and the air gap 13 of adjacent batten is formed, and the width direction of batten is low in one end and high in the other end, and the air gap is low in one end and high in the other end, and the high one end 14 of air gap is oriented towards the projection of batten along the horizontal direction and is located on the lower surface of batten above the air gap.During use, several foundation pit fence sheet is sequentially butted together and protected around the foundation pit.If full shielding is not needed, then remove louver mounting frame, and install louver mounting frame when needed, to realize the free selection of full shielding and non-full shielding.The combination and disassembly of foundation pit fence sheet are convenient.

[0025] Guardrail is equipped with two support feet 15.One support foot is connected to the lower end surface of left column, and the other support foot is connected to the lower end surface of right column.Support foot includes longitudinally extending longitudinal rod 16 and vertical support 17 arranged at both ends of longitudinal rod.Vertical support lower end is equipped with support foot plate 18.Longitudinal rod includes first segment 19 connected to one end of one vertical support, and second segment 20 telescopically arranged in the other end of first segment, and the other end of second segment is connected to the other vertical support.Locking bolt 10 is threadedly connected to the first segment and tightly arranged on the second segment.The first segment and the second segment are cylindrically fitted, and the second segment is equipped with locking plane 21 extending along the extension direction of the second segment, and the locking bolt abuts on the locking plane.The low end of batten width direction is located on the side of louver mounting frame away from the construction site 22, and the louver mounting frame is located on the side of guardrail away from the construction site.The surface of batten towards the construction site side and the surface of louver mounting frame towards the construction site side are located on the same vertical plane.

[0026] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0027] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A structure for a foundation pit fence, characterized by, The application relates to a construction site fence, which comprises a plurality of fence sheets spliced together, the fence sheet comprising a guardrail and a louver mounting frame, the guardrail comprising a left stand, a right stand and a blocking frame connecting the left stand and the right stand together, the left side of the left stand being provided with a plurality of vertical pins, the right side of the right stand being provided with a plurality of vertical pin holes, adjacent fence sheets being detachably connected together by inserting the vertical pins into the vertical pin holes, the right surface of the left stand being provided with a left vertical slot penetrating the upper end surface of the left stand, the left surface of the right stand being provided with a right vertical slot penetrating the upper end surface of the right stand, the left end of the louver mounting frame being inserted into the left vertical slot and the right end being inserted into the right vertical slot, a plurality of slats being connected in the louver mounting frame, the slats being distributed in the up-down direction, air outlet gaps being formed between adjacent slats, one end of the slats in the width direction being low and the other end being high, one end of the air outlet gaps being high and the other end being low, and the projection of the high end of the air outlet gaps in the horizontal direction towards the slats being located on the lower surface of the slat above the air outlet gap.

2. A structure for a foundation pit fence according to claim 1, wherein The upper end of the vertical pin hole is open and the lower end is closed, the vertical pin is inserted into the vertical pin hole from the upper end of the vertical pin hole, and a power spring is arranged in the vertical pin hole to lift the vertical pin.

3. A structure for a foundation pit fence according to claim 1 or 2, characterized in that, The guardrail is provided with a support foot, the support foot comprising a longitudinally-extending longitudinal rod and vertical supports arranged at both ends of the longitudinal rod.

4. A structure for a foundation fence according to claim 3, wherein The lower end of the vertical support is provided with a support foot plate.

5. A foundation fence structure according to claim 3, wherein The longitudinal rod comprises a first section connected to one of the vertical supports at one end and a second section telescopically arranged in the other end of the first section, the other end of the second section being connected to the other vertical support.

6. A structure for a foundation fence according to claim 5, wherein A locking bolt is threadedly connected to the first section and tightly arranged on the second section.

7. A structure for a foundation fence according to claim 6, wherein The first section and the second section are in cylindrical surface fit, the circumferential surface of the second section is provided with a locking plane extending along the extension direction of the second section, and the locking bolt abuts against the locking plane.

8. A structure for a foundation fence according to claim 3, wherein The blocking frame comprises a plurality of horizontal rods extending in the left-right direction, the horizontal rods being distributed in the up-down direction, the left end of the horizontal rod being connected to the left stand and the right end being connected to the right stand, and the support foot having two, one being connected to the lower end surface of the left stand and the other being connected to the lower end surface of the right stand.

9. A structure for a foundation fence according to claim 1 or 2, wherein The low end of the slat in the width direction is located on the side of the louver mounting frame away from the construction site, and the louver mounting frame is located on the side of the guardrail away from the construction site.

10. A structure for a foundation fence according to claim 9, wherein The surface of the slat on the side facing the construction site and the surface of the louver mounting frame on the side facing the construction site are located on the same vertical plane.

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