Fabricated steel trestle guardrail

Abstract

The utility model discloses an assembly type steel trestle guardrail, and particularly relates to the technical field of bridge guardrails, the assembly type steel trestle guardrail comprises a stand column and installation grooves formed in the outer walls of the two opposite sides of the stand column, each installation groove comprises a directional notch and a U-shaped groove which are communicated with each other, and a transverse rod is movably arranged in each installation groove; the widened bottom plate is fixedly installed at the bottom end of the stand column, and the clamping plate slides in the vertical direction. According to the steel trestle guardrail, the multiple stand columns are arranged at equal intervals, then one end of each transverse rod is arranged in the direction notch in one stand column in a penetrating mode, the transverse rods are in the horizontal inclined state, and after more ends of the transverse rods are inserted into the direction notches, the transverse rods can be inserted into the direction notches. The cross rod is horizontally swung so that the other end of the cross rod can be located on one side of the direction notch in the other stand column and inserted into the direction notch in the other stand column, then the position of the cross rod is adjusted so that the cross rod can fall into the U-shaped grooves in the two stand columns to be rapidly limited, and therefore erecting, supporting and positioning of the cross rod can be rapidly completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge guardrail technical field, concretely related to an assembly type steel trestle guardrail. BACKGROUND

[0002] Steel trestle guardrails are usually installed along the sides of the trestle to prevent accidental falls by pedestrians, cyclists, or vehicles. The materials commonly used for steel trestle guardrails include stainless steel or galvanized steel to improve corrosion resistance and service life.

[0003] According to patent announcement No. CN218322347U, announced on January 17, 2023, a steel trestle assembly type guardrail is disclosed, which includes a steel support beam. The upper end of the steel support beam is provided with a base plate on one side. The upper end of the base plate is fixedly connected with a support column. The top of the base plate is provided with a through hole at each corner. A plurality of screw rods are arranged inside the through holes. The upper and lower ends of the two screw rods extend outside the through holes. The upper end of the steel support beam is provided with a threaded groove matched with the screw rod. The upper end of the screw rod is fixedly connected with a circular plate. The upper end of the circular plate is provided with a rotating disc. The upper end of the circular plate is provided with a sliding hole on both sides. A limiting mechanism is fixedly arranged inside the two sliding holes to prevent the screw rod from loosening. Two first guardrails and two second guardrails are fixedly connected to the sides of the support column.

[0004] In the prior art including the above-mentioned patent, the current steel trestle guardrail is mostly welded to the steel trestle. This kind of welded guardrail structure is simple and easy to produce. However, it needs to spend a lot of time for welding and fixing during installation, especially for the multiple horizontal rods between the two vertical columns of the guardrail. Not only does it need to position the horizontal rods, but also it needs to be supported in order to weld the end of the horizontal rod and the vertical column. This process is complicated and not convenient for quick installation. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an assembly type steel trestle guardrail to solve the above technical problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an assembly type steel trestle guardrail, which comprises a vertical column and a mounting groove formed in the outer walls of the opposite sides of the vertical column. The mounting groove comprises a direction slot and a U-shaped groove that are in communication with each other. A horizontal rod is movably arranged in the mounting groove. A widened base plate is fixedly installed at the bottom end of the vertical column. A clamping plate slides in the vertical direction.

[0007] As a preferred embodiment, a threaded rod and two symmetrical fixedly installed guide rods are fixedly installed on the top of the widened base plate. The clamping plate is slidably arranged on the threaded rod and the two guide rods. A nut is threadedly rotatably arranged on the threaded rod.

[0008] As preferred, a mounting cavity communicating with the mounting slot is formed in the column, and a limiting plate is inserted into the mounting cavity, and a plurality of limiting blocks matched with the mounting slot are fixedly installed on the outer wall of one side of the limiting plate.

[0009] As preferred, a fixing block is fixedly installed on the bottom of the limiting block.

[0010] As preferred, a bevel part is symmetrically arranged on the fixing block.

[0011] As preferred, a through hole is formed in the positioning plate fixedly installed on the fixing block, the limiting block and the limiting plate, and a fixing rod inserted into the column top is respectively inserted into the through hole.

[0012] As preferred, a threaded slot is formed in the column, and the bottom end of the fixing rod is threadedly and rotatably arranged in the threaded slot.

[0013] As preferred, the limiting plate is a steel plate.

[0014] As preferred, the horizontal rod is a steel pipe.

[0015] As preferred, the fixing rod is a steel rod.

[0016] In the above technical solution, the assembly type steel trestle guardrail provided by the utility model has the following beneficial effects: the widened bottom plate is arranged at the bottom of the side edge of the steel trestle, the clamping plate is arranged at the top of the side edge of the steel trestle, and then the clamping plate is close to the widened bottom plate to be clamped on the side edge of the steel trestle, so that the column is fixed, a plurality of columns are arranged at equal intervals, one end of the horizontal rod is first arranged in the direction slot of one of the columns, and the horizontal rod is horizontally inclined, after the end of the horizontal rod is inserted into the direction slot, the horizontal rod is horizontally swung to make the other end of the horizontal rod be located on one side of the direction slot of another column and be inserted, then the position of the horizontal rod is adjusted to make the horizontal rod fall into the U-shaped slot of the two columns to be quickly limited, so that the erection and positioning of the horizontal rod are quickly completed, and the installation efficiency of the guardrail is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 The column overall structure schematic view provided by the utility model embodiment is shown in the figure.

[0019] Figure 2The utility model provides a limiting plate structure schematic diagram for the embodiment of the utility model,

[0020] Figure 3 The utility model provides a plurality of column installation structure schematic diagram for the embodiment of the utility model,

[0021] Figure 4 The utility model provides a column cross section structure schematic diagram for the embodiment of the utility model,

[0022] Figure 5 The utility model provides a column part cross section structure schematic diagram for the embodiment of the utility model,

[0023] Figure 6 Two column structure schematic diagram for the embodiment of the utility model is provided when cutting simultaneously.

[0024] Mark explanation:

[0025] 1, column, 2, limiting plate, 3, cross bar, 4, fixed rod, 11, installation cavity, 12, direction notch, 13, U-shaped groove, 14, thread groove, 15, widen base plate, 16, threaded rod, 17, clamping plate, 18, guide rod, 19, nut, 21, limiting block, 22, fixed block, 23, positioning plate, 24, perforation, 25, inclined surface part. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the drawings.

[0027] As Figures 1-6 The utility model discloses a prefabricated steel trestle guardrail, including column 1 and the installation groove that sets up in the opposite two sides outer wall of column 1, and installation groove includes the direction notch 12 and U-shaped groove 13 of intercommunication, and the movable setting of installation groove has cross bar 3, still including the fixed installation of widen base plate 15 at the bottom of column 1 and the clamping plate 17 along the vertical direction sliding. By making widen base plate 15 be located at the bottom of steel trestle side, clamping plate 17 is located at the top of steel trestle side, and then utilize clamping plate 17 to be close to widen base plate 15 to be clamped on steel trestle side, to fix column 1, by equidistantly arranging multiple column 1, then the end of cross bar 3 is first inserted in the direction notch 12 on one of column 1, and cross bar 3 is horizontally inclined, after the end of cross bar 3 is inserted in the direction notch 12 more, by horizontally swinging cross bar 3 to make the other end of cross bar 3 be located on the one side of the direction notch 12 on another column 1 and be inserted, then adjust the position of cross bar 3 to make cross bar 3 fall in the U-shaped groove 13 on two column 1 respectively and be quickly limited, to quickly complete the erection support and positioning of cross bar 3, improve the installation efficiency of guardrail.

[0028] As the further provided technical scheme of the utility model, the widened bottom plate 15 is fixedly installed with a threaded rod 16 and symmetrically fixedly installed guide rods 18, the clamping plates 17 are respectively slidably arranged on the threaded rod 16 and the two guide rods 18, and a nut 19 is threadedly rotatably arranged on the threaded rod 16.

[0029] Specifically, as shown in the figure, Figure 1 the widened bottom plate 15 is located at the bottom of the side edge of the steel trestle, the clamping plate 17 is located at the top of the side edge of the steel trestle, and then the nut 19 is threadedly rotated to press the clamping plate 17 close to the widened bottom plate 15, so that the upright column 1 is fixed on the steel trestle by clamping the side edge of the steel trestle by the clamping plate 17 and the widened bottom plate 15.

[0030] Further, the installation cavity 11 is formed in the upright column 1 and is communicated with the installation slot, and the limiting plate 2 is insertedly arranged in the installation cavity 11, and a plurality of limiting blocks 21 are fixedly installed on the outer wall of one side of the limiting plate 2 and are matched with the installation slot.

[0031] Specifically, as shown in the figure, Figure 1 when the two ends of the plurality of horizontal rods 3 respectively fall into the U-shaped slots 13 on the two upright columns 1, the limiting plate 2 is inserted into the installation cavity 11, and then the plurality of limiting blocks 21 on the limiting plate 2 are located above the end portions of the horizontal rods 3, so that the horizontal rods 3 are limited in the vertical direction to avoid being removed from the U-shaped slots 13.

[0032] Further, the bottom of the limiting block 21 is fixedly installed with a fixing block 22.

[0033] Specifically, when the two ends of the plurality of horizontal rods 3 respectively fall into the U-shaped slots 13 on the two upright columns 1, the limiting plate 2 is inserted into the installation cavity 11, and then the plurality of limiting blocks 21 on the limiting plate 2 are located above the end portions of the horizontal rods 3, and the fixing block 22 fixedly installed on the bottom of the limiting block 21 is located on one side of the end portion of the horizontal rod 3, as shown in the figure, Figure 5 by limiting the horizontal rods 3 in the horizontal direction by the fixing block 22 and limiting the horizontal rods 3 in the vertical direction by the limiting block 21, the horizontal rods 3 are quickly limited and fixedly installed.

[0034] Furthermore, the fixing block 22 is symmetrically provided with a beveled portion 25.

[0035] Specifically, since the end portions of the plurality of horizontal rods 3 placed in the U-shaped slots 13 on the upright column 1 are mostly not aligned, when the limiting plate 2 is inserted into the installation cavity 11, the end portions of the horizontal rods 3 are respectively pressed by the beveled portions 25 on the fixing block 22, so that the horizontal rods 3 are regularized to be aligned.

[0036] Further, the fixing block 22, the limiting block 21 and the positioning plate 23 symmetrically fixed and installed on the limiting plate 2 are respectively provided with a through hole 24, and the fixing rod 4 inserted on the top of the stand 1 is respectively inserted into the through hole 24.

[0037] Specifically, as shown in Figure 2 and Figure 4 when the limiting plate 2 is inserted into the installation cavity 11, at this time, the side edge of the positioning plate 23 is attached to the inner wall of one side of the installation cavity 11, and then the through hole 24 is aligned with the hole on the top of the stand 1, so that the fixing rod 4 is respectively inserted into the through hole 24 along the hole on the top of the stand 1, thereby quickly limiting the limiting plate 2 on the stand 1.

[0038] Further, the stand 1 is provided with a threaded groove 14, and the bottom end of the fixing rod 4 is threadedly rotatably arranged in the threaded groove 14.

[0039] Specifically, after the fixing rod 4 is respectively inserted into the through hole 24 along the hole on the top of the stand 1, the bottom end of the fixing rod 4 is inserted into the threaded groove 14, and the rotation of the fixing rod 4 is rotated to make the threads on the outer wall of the bottom end of the fixing rod 4 and the threads in the threaded groove 14 threadedly rotate, thereby quickly installing and fixing the fixing rod 4, so that the limiting plate 2 is quickly fixed and installed on the stand 1.

[0040] Furthermore, the limiting plate 2 is a steel plate.

[0041] Further, the horizontal rod 3 is a steel pipe.

[0042] Further, the fixing rod 4 is a steel rod.

[0043] Working principle: through the widening base plate 15 is located at the bottom of the steel trestle side edge, the clamp plate 17 is located at the top of the steel trestle side edge, and then the nut 19 is screwed to extrude the clamp plate 17 close to the widening base plate 15, so as to fix the column 1 on the steel trestle by clamping the steel trestle side edge by the clamp plate 17 and the widening base plate 15. By arranging a plurality of columns 1 at equal intervals, then inserting one end of the crossbar 3 into the direction slot 12 on one of the columns 1, and the crossbar 3 is horizontally inclined, after the end of the crossbar 3 is inserted into the direction slot 12, the crossbar 3 is horizontally swung to make the other end of the crossbar 3 located on the side of the direction slot 12 on another column 1 and inserted, then the position of the crossbar 3 is adjusted to make the crossbar 3 fall into the U-shaped groove 13 on the two columns 1 respectively for quick limiting, so as to quickly complete the erection and positioning of the crossbar 3, then the limiting plate 2 is inserted into the installation cavity 11, a plurality of limiting blocks 21 on the limiting plate 2 are located above the ends of the crossbar 3, so as to limit the crossbar 3 in the vertical direction, the inclined surface 25 on the fixing block 22 extrudes the end of the crossbar 3, so as to regularize the crossbar 3, the fixing block 22 limits the crossbar 3 in the horizontal direction, then the fixing rod 4 is inserted into the perforation 24 along the hole on the top of the column 1, the bottom end of the fixing rod 4 is inserted into the threaded groove 14, and the fixing rod 4 is quickly installed and fixed by rotating the threads on the outer wall of the bottom end of the fixing rod 4 and the threads in the threaded groove 14, so as to quickly fix the limiting plate 2 on the column 1.

[0044] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A fabricated steel trestle guardrail, characterized in that, The utility model provides a kind of vertical column (1) and the installation slot for being opened in the outer wall of opposite two sides of vertical column (1), the installation slot includes direction slot (12) and U-shaped slot (13) being communicated with each other, and the cross bar (3) is movably arranged in installation slot, further include the widened bottom plate (15) of the bottom end fixed installation of vertical column (1) and the clamping plate (17) sliding along vertical direction.

2. The fabricated steel trestle guardrail according to claim 1, characterized in that, The widened bottom plate (15) top is fixedly installed with threaded rod (16) and symmetrically fixed installation guide rod (18), the clamping plate (17) is slidably arranged on threaded rod (16) and two guide rods (18) respectively, nut (19) is threadedly rotatably arranged on threaded rod (16).

3. The fabricated steel trestle guardrail according to claim 1, characterized in that, The installation cavity (11) that the vertical column (1) is opened in is communicated with installation slot, and limit plate (2) is inserted and arranged in installation cavity (11), the outer wall of one side of limit plate (2) is fixedly installed with multiple limit blocks (21) matched with installation slot.

4. The fabricated steel trestle guardrail according to claim 3, characterized in that, The bottom of the limit block (21) is fixedly installed with fixed block (22).

5. The fabricated steel trestle guardrail according to claim 4, wherein, The fixed block (22) is symmetrically provided with inclined surface portion (25) on it.

6. The fabricated steel trestle guardrail according to claim 5, wherein, The fixed block (22), limit block (21) and the positioning plate (23) fixedly installed on limit plate (2) are respectively provided with perforation (24) on it, and the fixed rod (4) inserted and arranged on the top of vertical column (1) is respectively inserted into perforation (24).

7. The fabricated steel trestle guardrail according to claim 6, wherein, The threaded slot (14) is opened in the vertical column (1), and the bottom of fixed rod (4) is threadedly rotatably arranged in threaded slot (14).

8. The fabricated steel trestle guardrail according to claim 3, wherein, The limit plate (2) is steel plate.

9. The fabricated steel trestle guardrail according to claim 1, wherein, The cross bar (3) is steel pipe.

10. The fabricated steel trestle guardrail according to claim 7, wherein, The fixed rod (4) is steel pole.

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