Construction protective fence for civil air defense structure construction in civil engineering

Abstract

The utility model discloses a construction protective guard for civil air defense structure construction in civil engineering, which comprises a left hollow stand column and a right hollow stand column, a protective guard plate capable of horizontally rotating and folding is arranged between the left stand column and the right stand column, and the left side and the right side of each stand column are respectively provided with an upper connecting frame and a lower connecting frame capable of being adjusted up and down. Longitudinal bottom rods are detachably fixed to the lower ends of the stand columns, and adjusting supporting legs capable of conducting fixed supporting and movable supporting conversion are fixed to the front ends and the rear ends of the bottom rods correspondingly. The guardrail plates which can be horizontally rotated and folded can be folded when not in use, so that the occupied space of the guardrail is reduced, meanwhile, the guardrail is convenient to transfer, the guardrail can be moved and adjusted during installation by converting the adjusting supporting legs into a movable state, and the guardrail is convenient to use. Therefore, the installation operation of the protective guard is more flexible and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering construction, in particular to a construction guardrail for civil engineering civil air defense structure construction. Background Art

[0002] During the construction of civil engineering civil air defense structures, in order to prevent non-staff from entering the construction area, guardrails are needed to isolate and block them, thereby isolating the construction area separately to prevent accidents caused by non-construction personnel entering the construction site.

[0003] The Chinese patent with the announcement number CN108868315B discloses a building construction guardrail, which relates to the field of building construction. The technical solution includes a plurality of columns arranged at intervals, adjacent columns are connected by horizontal bars, the columns and the horizontal bars are fixedly connected by connecting members, the connecting members include a plurality of fixing plates, the upper side of the fixing plate is provided with a connecting plate fixedly connected to the horizontal bar, the fixing plate is connected with a fixing rod on the side facing the connecting plate, the connecting plate is provided with a fixing hole for the fixing rod to pass through, the connecting plate is provided with a square hole, a locking strip is provided in the square hole, the fixing plate is provided with a locking hole for the locking strip to pass through, a limiting rod is fixedly connected between two opposite inner walls of the square hole, and a limiting hole is provided on the side of the locking strip. The horizontal bar can be in a protective state or an open state. When in the protective state, it has an excellent protective blocking effect and can withstand a large impact force; when in the open state, it is convenient for construction personnel to enter and exit.

[0004] The horizontal bar of the above-mentioned building construction guardrail is an integrated fixed structure, which occupies a large space and is inconvenient to fold and transport when not in use. Moreover, the entire guardrail cannot be moved and adjusted during installation and needs to be manually lifted and moved, which is inconvenient for the installation operation of the guardrail. Utility Model Content

[0005] In order to solve the above-mentioned problems that the building construction guardrail occupies a large space, cannot be folded and stored, and the installation and operation of the guardrail are inconvenient, the present application provides a construction guardrail for civil engineering civil air defense structure construction, which adopts the following technical solution:

[0006] A construction guardrail for the construction of civil engineering civil air defense structures, comprising two left and right hollow columns, a guardrail plate that can be horizontally rotated and folded is installed between the left and right columns, two upper and lower connecting frames that can be adjusted up and down are installed on the left and right sides of the columns, and the upper and lower connecting frames are both rotatably connected to the guardrail plate, the lower end of the column is detachably fixed with a longitudinal bottom rod, and the front and rear ends of the bottom rod are fixed with adjustable legs that can be converted between fixed support and movable support.

[0007] Optionally, the connecting frame includes an adjustment seat installed on the column through an adjustment structure, a support plate is fixed to one end of the adjustment seat, and a connecting column is fixed to the side of the support plate away from the adjustment seat, and the adjustment seat is adjusted in the up and down directions through the adjustment structure.

[0008] Optionally, the adjustment structure includes an adjustment screw and an adjustment opening longitudinally opened on the surface of the adjustment seat, and the adjustment screw passes through the adjustment opening and is threadedly fixed on the column.

[0009] Optionally, the guardrail plate includes two groups of left and right cross bars and each group is divided into two upper and lower ones. The upper and lower cross bars are fixedly connected by multiple vertical bars, and the two adjacent left and right cross bars are rotatably connected, and the opposite ends of the two adjacent left and right cross bars are provided with hanging holes that are sleeved on the connecting columns.

[0010] Optionally, a rotating interface is provided at the right end of the left crossbar, and a rotating joint inserted in the rotating interface is fixed to the left end of the right crossbar, and rotating shafts are fixed on both the upper and lower sides of the rotating joint.

[0011] Optionally, fixing nails are vertically inserted into the bottom bar near the front and rear sides, and an insert block inserted into the column is fixed at the center of the upper surface of the bottom bar. A connecting screw passes through the central longitudinal thread of the insert block, and the two ends of the connecting screw are respectively inserted into the two side walls of the column.

[0012] Optionally, the adjustment leg includes a support sleeve fixed on the bottom rod, the support sleeve is opened downward, and an inverted U-shaped bracket is provided on the inner side of the support sleeve, a roller is installed on the inner side of the bracket, an adjusting screw is passed through the top thread of the support sleeve, and the lower end of the adjusting screw is rotatably connected to the bracket.

[0013] Optionally, a mounting seat is installed at the upper end of the column, and a lighting lamp is fixed to the upper end of the mounting seat. The front and rear side walls of the column are provided with connecting holes that cooperate with connecting screws near the lower end.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can fold up the guardrail plate that can be horizontally rotated and folded when not in use, thereby reducing the space occupied by the guardrail and facilitating transportation;

[0016] 2. By converting the adjustable legs into a movable state, the guardrail can be moved and adjusted during installation, making the installation operation of the guardrail more flexible and convenient;

[0017] 3. By moving and adjusting the adjustment seat, the connecting column is inserted into the hanging hole to realize the rotation and hanging of the guardrail plate, thereby facilitating the installation and disassembly of the guardrail plate and making the installation and disassembly of the entire guardrail more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional diagram of a construction guardrail for civil engineering civil air defense structure construction of the utility model;

[0020] Figure 2 It is a schematic diagram of a connecting frame of a construction guardrail for civil engineering civil air defense structure construction shown in the utility model;

[0021] Figure 3 It is a schematic diagram of a guardrail plate of a construction guardrail for civil engineering civil air defense structure construction shown in the utility model;

[0022] Figure 4 It is a schematic diagram of the bottom bar of a construction guardrail for civil engineering civil air defense structure construction shown in the utility model;

[0023] Figure 5 It is a schematic diagram of an adjustable leg of a construction guardrail for civil engineering civil air defense structure construction shown in the utility model;

[0024] Figure 6 The utility model is a schematic diagram of a column of a construction guardrail for the construction of a civil engineering air defense structure.

[0025] In the figure: 1. bottom bar; 11. fixing nail; 12. plug block; 13. connecting screw; 2. adjusting leg; 21. roller; 22. bracket; 23. support sleeve; 24. adjusting screw; 3. column; 31. lighting lamp; 32. mounting seat; 33. connecting hole; 4. guardrail plate; 41. cross bar; 42. rotating interface; 43. rotating joint; 44. hanging hole; 45. vertical bar; 5. connecting frame; 51. connecting column; 52. support plate; 53. adjusting opening; 54. adjusting screw; 55. adjusting seat. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0027] Please refer to Figure 1 As shown, a construction guardrail for the construction of civil engineering civil air defense structures comprises two left and right hollow columns 3, a guardrail plate 4 which can be horizontally rotated and folded is installed between the two left and right columns 3, two upper and lower connecting frames 5 which can be adjusted up and down are installed on the left and right sides of the columns 3, and the upper and lower connecting frames 5 are rotatably connected to the guardrail plates 4, a longitudinal bottom rod 1 is detachably fixed to the lower end of the column 3, and adjustable legs 2 which can be converted between fixed support and movable support are fixed to the front and rear ends of the bottom rod 1, the guardrail plates 4 which can be horizontally rotated and folded can be folded up when not in use, thereby reducing the space occupied by the guardrail, and also facilitating transportation, and by converting the adjustable legs 2 into a movable state, the guardrail can be moved and adjusted during installation, thereby making the installation operation of the guardrail more flexible and convenient.

[0028] Please refer to Figure 2 As shown, the connecting frame 5 includes an adjusting seat 55 installed on the column 3 through an adjusting structure, a support plate 52 is fixed at one end of the adjusting seat 55, and a connecting column 51 is fixed on the side of the support plate 52 away from the adjusting seat 55, the adjusting seat 55 is adjusted in the up and down direction through the adjusting structure, the adjusting structure includes an adjusting screw 54 and an adjusting opening 53 longitudinally opened on the surface of the adjusting seat 55 for making way for adjusting the adjusting seat 55 up and down, the adjusting screw 54 is threadedly fixed on the column 3 through the adjusting opening 53, the adjusting seat 55 is adjusted by loosening the adjusting screw 54, and the adjusting seat 55 is locked and fixed by tightening the adjusting screw 54, the adjusting seat 55 is moved and adjusted so that the connecting column 51 is inserted in the hanging hole 44 to realize the rotational hanging of the guardrail plate 4, thereby facilitating the installation and disassembly of the guardrail plate 4, making the installation and disassembly of the entire guardrail more convenient.

[0029] Please refer to Figure 3As shown, the guardrail plate 4 includes two left and right groups of cross bars 41, and each group is divided into two upper and lower ones. The upper and lower cross bars 41 are fixedly connected by multiple vertical bars 45. The left and right groups of cross bars 41 and the vertical bars 45 are assembled to form the guardrail plate 4. The two adjacent cross bars 41 on the left and right are rotatably connected to realize the rotation and folding of the guardrail plate 4, and the opposite ends of the two adjacent cross bars 41 on the left and right are provided with hanging holes 44 on the connecting columns 51 for rotational hanging cooperation with the connecting frame 5. The right end of the left cross bar 41 is provided with a rotating interface 42, and the left end of the right cross bar 41 is fixed with a rotating joint 43 inserted in the rotating interface 42, and the upper and lower sides of the rotating joint 43 are fixed with rotating shafts. The rotating joint 43 is inserted in the rotating interface 42 and is rotatably connected through the rotating shaft.

[0030] Please refer to Figure 4 As shown, fixing nails 11 are vertically inserted near the front and rear sides of the bottom bar 1 for fixing the bottom bar 1 to the ground, and an insert block 12 inserted in the column 3 is fixed at the center of the upper surface of the bottom bar 1, and a connecting screw 13 is passed through the central longitudinal thread of the insert block 12, and the two ends of the connecting screw 13 are respectively inserted on the two side walls of the column 3, and the bottom bar 1 is inserted in the column 3 through the insert block 12, and the connecting screw 13 passes through the insert block 12 and the column 3 to be locked and fixed.

[0031] Please refer to Figure 5 As shown, the adjustment leg 2 includes a support sleeve 23 fixed on the bottom rod 1, the support sleeve 23 is opened downward, and an inverted U-shaped bracket 22 is arranged on the inner side of the support sleeve 23, and a roller 21 is installed on the inner side of the bracket 22. The top thread of the support sleeve 23 passes through an adjusting screw 24, and the lower end of the adjusting screw 24 is rotatably connected to the bracket 22. By screwing the adjusting screw 24, the bracket 22 and the roller 21 are driven to descend and support the ground, thereby realizing the movement of the entire guardrail, and when the bracket 22 and the roller 21 are folded upward, the fixed support of the support sleeve 23 is realized, thereby realizing the conversion adjustment of the mobile support and the fixed support.

[0032] Please refer to Figure 6 As shown, a mounting seat 32 is installed at the upper end of the column 3, and a lighting lamp 31 is fixed to the upper end of the mounting seat 32 for nighttime lighting. Connecting holes 33 cooperating with the connecting screws 13 are provided near the lower end of the front and rear side walls of the column 3, and the connecting holes 33 are used for inserting the connecting screws 13.

[0033] Working principle: When installing the guardrail, unfold the guardrail plate 4 and place it between the two columns 3. At this time, the upper and lower adjustment seats 55 on the columns 3 are adjusted upward and downward respectively, so that the connecting column 51 on the adjustment seat 55 is inserted into the hanging hole 44 on the corresponding cross bar 41. At this time, the adjusting screw 24 is screwed to drive the bracket 22 and the roller 21 to descend for ground support, thereby moving the guardrail to a suitable position, and then the adjusting screw 24 is rotated in the opposite direction to retract the bracket 22 and the roller 21 upward, and finally the fixing nail 11 is inserted into the ground to complete the installation of the guardrail.

[0034] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A construction guardrail for civil engineering civil air defense structure construction, comprising two left and right hollow columns (3), characterized in that: A guardrail plate (4) capable of being horizontally rotated and folded is installed between the left and right upright posts (3), two upper and lower connecting frames (5) capable of being adjusted up and down are installed on both the left and right sides of the upright posts (3), and the upper and lower connecting frames (5) are both rotatably connected to the guardrail plate (4), a longitudinal bottom bar (1) is detachably fixed at the lower end of the upright post (3), and adjustable legs (2) capable of switching between fixed support and movable support are fixed at both the front and rear ends of the bottom bar (1).

2. A construction guardrail for civil engineering civil air defense structure construction according to claim 1, characterized in that: The connecting frame (5) comprises an adjusting seat (55) mounted on the column (3) via an adjusting structure, a supporting plate (52) being fixed to one end of the adjusting seat (55), and a connecting column (51) being fixed to a side of the supporting plate (52) away from the adjusting seat (55), and the adjusting seat (55) being adjusted in an up-and-down direction via the adjusting structure.

3. A construction guardrail for civil engineering civil air defense structure construction according to claim 2, characterized in that: The adjustment structure comprises an adjustment screw (54) and an adjustment opening (53) longitudinally opened on the surface of an adjustment seat (55); the adjustment screw (54) passes through the adjustment opening (53) and is threadedly fixed on the column (3).

4. A construction guardrail for civil engineering civil air defense structure construction according to claim 3, characterized in that: The guardrail plate (4) comprises two groups of left and right cross bars (41), each group being divided into two upper and lower ones. The upper and lower cross bars (41) are fixedly connected by a plurality of vertical bars (45). The two adjacent left and right cross bars (41) are rotatably connected, and the opposite ends of the two adjacent left and right cross bars (41) are provided with hanging holes (44) which are sleeved on the connecting column (51).

5. A construction guardrail for civil engineering civil air defense structure construction according to claim 4, characterized in that: The right end of the cross bar (41) on the left side is provided with a rotation interface (42), and the left end of the cross bar (41) on the right side is fixed with a rotation joint (43) inserted in the rotation interface (42), and the upper and lower sides of the rotation joint (43) are fixed with rotation shafts.

6. The construction guardrail for civil engineering civil air defense structure construction according to claim 1, characterized in that: The bottom rod (1) is vertically penetrated with fixing nails (11) near the front and rear sides, and an insert block (12) inserted into the column (3) is fixed at the center of the upper surface of the bottom rod (1), and a connecting screw (13) is penetrated through the central longitudinal thread of the insert block (12), and the two ends of the connecting screw (13) are respectively inserted into the two side walls of the column (3).

7. A construction guardrail for civil engineering civil air defense structure construction according to claim 6, characterized in that: The adjustable leg (2) comprises a support sleeve (23) fixed on the bottom rod (1), the support sleeve (23) is arranged with an opening downward, and an inverted U-shaped bracket (22) is arranged on the inner side of the support sleeve (23), a roller (21) is installed on the inner side of the bracket (22), an adjusting screw (24) is penetrated by the top thread of the support sleeve (23), and the lower end of the adjusting screw (24) is rotatably connected to the bracket (22).

8. The construction guardrail for civil engineering civil air defense structure construction according to claim 6, characterized in that: A mounting seat (32) is installed at the upper end of the column (3), and a lighting lamp (31) is fixed to the upper end of the mounting seat (32). Connection holes (33) that cooperate with the connection screws (13) are provided on the front and rear side walls of the column (3) near the lower end.

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