Fabricated guardrail structure of steel trestle

Abstract

The utility model relates to the technical field of steel trestles, in particular to a steel trestle assembly type guardrail structure which comprises supporting columns and handrail pieces connected between the supporting columns, connectors are arranged on the two side faces of each supporting column, and a plug is arranged at one end of each connector. The handrail piece comprises a rod body and an outer sleeve, one end of the rod body is provided with an insertion opening correspondingly matched with the insertion head, and the outer sleeve is connected to the outer portion of the rod body in a sliding mode and moves to the position where the connector is connected with the rod body. The device can be quickly assembled and disassembled, is convenient to recycle and reuse, and is higher in mounting efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel trestle technical field, specifically, relate to a steel trestle assembly type guardrail structure. BACKGROUND

[0002] The panel of the bridge surface of the steel trestle is a steel plate, and when the steel trestle is constructed, guardrails need to be installed on both sides of the bridge surface. The trestle erected for the construction of a bridge in water usually has guardrails installed on both sides to ensure the safety of the construction personnel. The trestle is usually provided with a steel load-bearing beam in the transverse direction, and the steel load-bearing beam protrudes from both sides of the trestle and is used for installing guardrails.

[0003] The guardrail in the prior art is composed of a support column and a handrail, and the support column and the handrail are usually connected by bolts or welding. This installation method is time-consuming for the installation and disassembly of the steel trestle used temporarily, and is not very convenient to disassemble and assemble. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a steel trestle assembly type guardrail structure which can be quickly assembled and disassembled, is convenient to recycle and reuse, and has high installation efficiency.

[0005] The utility model realizes the following technical scheme: a steel trestle assembly type guardrail structure, which comprises a support column and a handrail connected between the support columns, and the two side surfaces of the support column are provided with connecting heads, and one end of each connecting head is provided with a plug; the handrail comprises a rod body and an outer sleeve, one end of the rod body is provided with a socket corresponding to and suitable for the plug, and the outer sleeve is slidably connected to the outside of the rod body, and the outer sleeve is moved to the position where the connecting head and the rod body are connected.

[0006] Further, a convex ring is arranged on the rod body, and a spring is connected between the tail end of the convex ring and the outer sleeve.

[0007] Further, the rod body is divided into two sections, and the middle part of the rod body is hingedly connected, and plugs are arranged at both ends of the rod body.

[0008] Further, at least two connecting heads are uniformly arranged on the support column from top to bottom, and the connecting heads are symmetrically distributed on both sides of the support column.

[0009] Further, a support beam is further arranged, the support beam is provided with a mounting cavity, the bottom of the support column is connected to the mounting cavity, a slide opening is formed in the middle part of the mounting cavity, the lower end of the support column is clamped into the slide opening and is slidably connected to the slide opening, and at least one roller is arranged side by side on the bottom of the support column and is in rolling contact with the bottom of the mounting cavity.

[0010] Further, the plug is in a flat head structure.

[0011] The utility model discloses technical scheme has at least the following advantages and beneficial effects: the utility model discloses support column and rail piece adopt butt joint and cooperate outer sleeve cover the joint of connecting head and pole body and the place of meeting, and its installation and removal are more quick and convenient, and simultaneously, the length of pole body can be adjusted according to the spacing between support column, and the scope of application is fast, and rail piece and support column can also be reused, and the economic cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structural diagram for adjusting distance of the steel trestle assembly type guardrail structure in the utility model,

[0013] Figure 2 It is the schematic diagram of the steel trestle assembly type guardrail structure in the utility model,

[0014] Figure 3 It is the structural diagram of rail piece in the utility model,

[0015] Figure 4 It is the sectional view of installation cavity and support beam in the utility model,

[0016] Figure 5 It is the plan view of support beam in the utility model.

[0017] Mark: 1-support column, 2-rail piece, 21-pole body, 211-jack, 212-convex ring, 22-outer sleeve, 23-spring, 3-connecting head, 31-plug, 4-installation cavity, 41-slideway mouth, 5-support beam, 6-roller. DETAILED DESCRIPTION

[0018] The following is further illustrated in conjunction with specific embodiments, referring to Figures 1-5 The utility model discloses a kind of steel trestle assembly type guardrail structures, including support column 1 and be connected in support column 1 between rail piece 2, the two sides of support column 1 are provided with connecting head 3, and one end of connecting head 3 is equipped with plug 31;Rail piece 2 includes pole body 21 and outer sleeve 22, and one end of pole body 21 is equipped with the jack 211 corresponding with plug 31 adaptation, and outer sleeve 22 is slidably connected to the outside of pole body 21, and outer sleeve 22 moves to the joint of connecting head 3 and pole body 21;Specifically, this guardrail is composed of a plurality of fittings and is installed, in the process of building, first install multiple support columns 1 according to distance vertically, the length of rail piece is adaptively set according to the distance between two support columns 1, when rail piece 2 is placed, the two ends of pole body 21 are respectively abutted with connecting head 3, plug 31 is respectively clamped into jack 211, and outer sleeve 22 is slid to the joint of plug 31 and jack 211 to prevent connection from falling off, so as to complete installation;Conversely, remove outer sleeve 22 from the joint of connecting head 3 and pole body 21, then it can be removed, and overall installation and removal are very convenient, and can be reused.

[0019] As Figure 2 And Figure 3 As shown in the rod body 21 in this embodiment is provided with a convex ring 212, the tail end of the outer sleeve 22 is connected with spring 23, the outer sleeve 22 is controlled by elasticity, and the outer force is applied by pressing in the axial direction to slide the outer sleeve 22 to move, which avoids that the firmness of the connection between the connector 3 and the rod body 21 cannot be guaranteed after the outer sleeve 22 moves away from the joint, thereby causing a security risk.

[0020] As Figure 3 As shown in the rod body 21 in this embodiment is divided into two sections, and the middle part of the rod body 21 is hinged, and the two ends of the rod body 21 are provided with plugs 31; specifically, the rod body 21 can be folded and shortened in the middle, and the length can be adjusted, so as to adapt to the shorter distance between the support columns 1.

[0021] As Figure 1 As shown in the support column 1 in this embodiment is uniformly arranged with at least two connectors 3 from top to bottom, and the connectors 3 are symmetrically distributed on both sides of the support column 1, thereby increasing the coverage height of the railing 2 and improving the safety.

[0022] This embodiment also includes a support beam 5, the support beam 5 is provided with a mounting cavity 4, and the bottom of the support column 1 is connected with the mounting cavity 4; a slide port 41 is formed in the middle of the mounting cavity 4, and the lower end of the support column 1 is clamped into the slide port 41 and is slidably connected therewith; at least one roller 6 is installed side by side at the bottom of the support column 1, and the roller 6 is in rolling contact with the bottom of the mounting cavity 4; specifically, the support column 1 is in sliding contact with the slide port 41, which can be conveniently rolled to the corresponding position, and the distance between the support columns 1 can be flexibly adjusted, and the rod body 21 can also be bent according to the distance, and when the support column 1 is moved to the appropriate position, the support column 1 can be limited, such as setting a latch on the front and rear sides of the support column 1 to block.

[0023] Optionally, the plug 31 is a flat head structure.

[0024] The above is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A steel trestle assembly fence structure comprising support columns (1) and fence elements (2) connected between the support columns (1), characterized in that: The support column (1) is provided with a connecting head (3) on both sides, one end of the connecting head (3) is provided with a plug (31); The railing piece (2) comprises a rod body (21) and an outer sleeve (22), one end of the rod body (21) is provided with a socket (211) corresponding to the plug (31), the outer sleeve (22) is slidingly connected to the outside of the rod body (21), and the outer sleeve (22) is moved to the connecting head (3) and the rod body (21) are connected.

2. The steel trestle assembly fence structure according to claim 1, characterized in that: The rod body (21) is provided with a convex ring (212), and the convex ring (212) is connected with a spring (23) at the tail end of the outer sleeve (22).

3. The steel trestle assembly fence structure according to claim 1, characterized in that: The rod body (21) is divided into two sections, and the middle part of the rod body (21) is hinged, both ends of the rod body (21) are provided with plugs (31).

4. The steel trestle assembly fence structure according to claim 1, characterized in that: The support column (1) is uniformly arranged with at least two connecting heads (3) from top to bottom, and the connecting heads (3) are symmetrically distributed on both sides of the support column (1).

5. The steel trestle assembly fence structure according to claim 1, characterized in that: Further comprising a support beam (5), the support beam (5) is provided with a mounting cavity (4), the bottom of the support column (1) is connected with the mounting cavity (4).

6. The steel trestle assembly fence structure according to claim 5, characterized in that: The middle part of the mounting cavity (4) is provided with a slide opening (41), and the lower end of the support column (1) is clamped into the slide opening (41) and is slidingly connected.

7. The steel trestle assembly fence structure according to claim 6, characterized in that: The bottom of the support column (1) is provided with at least one roller (6), and the roller (6) is in rolling contact with the bottom of the mounting cavity (4).

8. The steel trestle assembly fence structure according to claim 1, characterized in that: The plug (31) is a flat head structure.

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