Steel cross beam temporary guardrail mounting structure

Abstract

The utility model provides a steel beam temporary guardrail installation structure which comprises a transverse steel beam, a left guardrail and a right guardrail, the transverse steel beam comprises a vertical partition plate and a top plate, and the left guardrail comprises a left front vertical supporting rod, a left rear vertical supporting rod and a plurality of left transverse supporting rods connecting the left front vertical supporting rod and the left rear vertical supporting rod together. The lower end of the left front vertical supporting rod and the lower end of the left rear vertical supporting rod are supported on a left supporting frame respectively, each left supporting frame comprises an upper left connecting plate and a lower left connecting plate, the left ends of the upper left connecting plate and the lower left connecting plate are connected, a left bayonet is formed between the right end of the upper left connecting plate and the right end of the lower left connecting plate, and the left side of the top plate is arranged in the left bayonet in a penetrating mode; the fixing mode of the right guardrail is the same as that of the left guardrail; the lower ends of the left handrail and the right handrail are connected together through a bottom plate, and the bottom plate is located above the shear nails. The connecting device has the advantages of convenience in mounting and dismounting and no damage to the steel cross beam, and is used for solving the problems of time waste and large damage to the steel cross beam when the guardrail is connected to the steel cross beam in an existing welding mode.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a temporary guardrail installation structure of a steel beam. Background Art

[0002] In the construction of roads, steel beams of steel structures will be used. Both sides of the steel beams are exposed to the air, and there are 20 cm shear nails on both sides. In order to provide safety during construction, temporary guardrails will be installed on the left and right sides of the steel beams. The temporary guardrails need to be frequently turned over, about once every 15 days. The existing temporary guardrails are connected to the steel beams by welding. Welding is required for each fixation, and removal and displacement require cutting. This welding and cutting method of connection is not only time-consuming but also causes great damage to the overall steel beam. Utility Model Content

[0003] The utility model aims to provide a temporary guardrail installation structure for a steel beam which is easy to install and disassemble and causes little damage to the steel beam, and is used to solve the problem that the existing welding method of connecting the guardrail on the steel beam is time-consuming and causes great damage to the steel beam.

[0004] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technologies: a temporary guardrail installation structure of a steel cross beam, comprising a cross steel beam, a left guardrail located on one side in the width direction of the cross steel beam and a right guardrail located on the other side in the width direction of the cross steel beam, the cross steel beam comprising a vertical partition and a top plate connected to the top of the vertical partition, the top plate extends out of the vertical partition on both sides along the thickness direction of the vertical partition, and a plurality of rows of shear nails distributed along the extension direction of the cross steel beam are distributed on the upper surface of the top plate, and the shear nails in the same row of shear nails are distributed along the width direction of the steel cross beam, and the character is that the left guardrail comprises a left front vertical support rod, a left rear vertical support rod and a plurality of left cross support rods connecting the left front vertical support rod with the left rear vertical support rod, the left cross support rod is distributed in the up and down direction, the lower end of the left front vertical support rod and the lower end of the left rear vertical support rod are respectively supported on a left supporting rod The left supporting frame includes an upper left connecting plate and a lower left connecting plate connected at the left end, a left bayonet is formed between the right end of the upper left connecting plate and the right end of the lower left connecting plate, and the left side of the top plate is inserted into the left bayonet; the right guardrail includes a right front vertical support rod, a right rear vertical support rod and a plurality of right transverse support rods connecting the right front vertical support rod with the right rear vertical support rod, and the right transverse support rod is distributed in the up-down direction, and the lower end of the right front vertical support rod and the lower end of the right rear vertical support rod are respectively connected to the horizontal steel beam through a right supporting frame, and the right supporting frame includes an upper right connecting plate and a lower right connecting plate connected at the right end, a right bayonet is formed between the right end of the upper right connecting plate and the right end of the lower right connecting plate, and the right side of the top plate is inserted into the right bayonet; the lower ends of the left guardrail and the right guardrail are connected together through a floor, and the floor is located above the shear nails. When in use, people walk on the floor. Good comfort when walking.

[0005] Preferably, a left limit pin is provided on the upper surface of the upper left connecting plate, and a left limit hole is provided at the lower end of the left front vertical support rod and the lower end of the left rear vertical support rod, which is sleeved on the left limit pin; a right limit pin is provided on the upper surface of the upper right connecting plate, and a right limit hole is provided at the lower end of the right front vertical support rod and the lower end of the right rear vertical support rod, which is sleeved on the right limit pin. The guardrail can be easily removed and reliably positioned to prevent displacement.

[0006] Preferably, the top plate is supported on the shear studs, which provides good support reliability.

[0007] Preferably, the left end of the upper left connecting plate is provided with an upper left bolt hole, the left end of the lower left connecting plate is provided with a lower left bolt hole, the left connecting bolt passes through the lower left bolt hole and the upper left bolt hole and is connected with the left connecting nut to connect the right ends of the upper left connecting plate and the lower left connecting plate together; the right end of the upper right connecting plate is provided with an upper right bolt hole, the right end of the lower right connecting plate is provided with a lower right bolt hole, the right connecting bolt passes through the lower right bolt hole and the upper right bolt hole and is connected with the right connecting nut to connect the right ends of the upper right connecting plate and the lower right connecting plate together. The opening of the support frame can be adapted to the clamping installation of top plates of different thicknesses.

[0008] Preferably, the left supporting frame also includes a left hanging plate, the lower end of the left hanging plate is sleeved on the left connecting bolt, the left connecting nut presses the left hanging plate on the upper left connecting plate, and the upper end of the left hanging plate is provided with a left hanging hole; the right supporting frame also includes a right hanging plate, the lower end of the right hanging plate is sleeved on the right connecting bolt, the right connecting nut presses the right hanging plate on the upper right connecting plate, and the upper end of the right hanging plate is provided with a right hanging hole; the left end of the front hanging rod is inserted into the left hanging hole of the left supporting frame supporting the left front vertical supporting rod and is provided with a left hook head of the front hanging rod part, and the right end is inserted into the supporting The right hook of the front suspension rod is arranged in the right suspension hole of the right support frame supporting the right front vertical support rod, the left end of the rear suspension rod is inserted into the left suspension hole of the left support frame supporting the left rear vertical support rod and is provided with the left hook of the rear suspension rod, and the right end is inserted into the right suspension hole of the right support frame supporting the right rear vertical support rod and is provided with the right hook of the rear suspension rod. The left hook of the front suspension rod is used to prevent the left suspension plate from falling off from the front suspension rod, the right hook of the front suspension rod is used to prevent the right suspension plate from falling off from the front suspension rod, the left hook of the rear suspension rod is used to prevent the left suspension plate from falling off from the rear suspension rod, and the right hook of the rear suspension rod is used to prevent the right suspension plate from falling off from the rear suspension rod. The support frame can be prevented from falling off when it is removed. The convenience of removing the support frame is good.

[0009] The utility model has the following beneficial effects: it is easy to install and disassemble, and will not cause damage to the structure of the steel beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a left side schematic diagram of the utility model;

[0011] Figure 2 yes Figure 1 A local enlarged schematic diagram of point A;

[0012] Figure 3 yes Figure 1 Schematic cross section.

[0013] In the figure: horizontal steel beam 1, left guardrail 2, right guardrail 3, vertical partition 4, top plate 5, shear nail 6, left front vertical support rod 7, left rear vertical support rod 8, left horizontal support rod 9, left supporting frame 10, upper left connecting plate 11, lower left connecting plate 12, left bayonet 13, left limiting pin 14, left limiting hole 15, left connecting bolt 16, left connecting nut 17, left suspension plate 18, right front vertical support rod 19, right supporting frame 20, upper right connecting plate 21, lower right connecting plate 22, right bayonet 23, right limiting pin 24, right limiting hole 25, right connecting bolt 26, right connecting nut 27, right suspension plate 28, front suspension rod 29, left hook 30 of front suspension rod, right hook 31 of front suspension rod, left hook 32 of rear suspension rod, and floor 33. DETAILED DESCRIPTION

[0014] The utility model is described below in conjunction with the accompanying drawings and specific embodiments. The anchor rod is tilted in a state where one end connected to the inner enclosure wall is high and the other end is low, and the lower end of the anchor rod is lower than the bottom of the inner pit.

[0015] See also Figures 1 to 3A temporary guardrail installation structure of a steel beam comprises a horizontal steel beam 1, a left guardrail 2 located on one side of the horizontal steel beam in the width direction, and a right guardrail 3 located on the other side of the horizontal steel beam in the width direction. The horizontal steel beam comprises a vertical partition 4 and a top plate 5 connected to the top of the vertical partition, both sides of the top plate along the thickness direction of the vertical partition extend out of the vertical partition, and a plurality of rows of shear nails 6 distributed along the extension direction of the horizontal steel beam are distributed on the upper surface of the top plate, and the shear nails in the same row of shear nails are distributed along the width direction of the steel beam, and the left guardrail comprises a left front vertical support rod 7, a left rear vertical support rod 8, and a plurality of left horizontal support rods 9 connecting the left front vertical support rod with the left rear vertical support rod, and the left horizontal support rods are distributed in the up-down direction. The lower ends of the left front vertical support rod and the lower ends of the left rear vertical support rod are supported on a left support frame 10 respectively. The left support frame includes an upper left connecting plate 11 and a lower left connecting plate 12 to which the left ends are connected. A left bayonet 13 is formed between the right ends of the upper left connecting plate and the right ends of the lower left connecting plate. The left side of the top plate is inserted into the left bayonet. A left limit pin 14 is provided on the upper surface of the upper left connecting plate. The lower ends of the left front vertical support rod and the lower ends of the left rear vertical support rod are provided with a left limit hole 15 sleeved on the left limit pin. The left end of the upper left connecting plate is provided with a left upper bolt hole, and the left end of the lower left connecting plate is provided with a left lower bolt hole. The left connecting bolt 16 passes through the lower left bolt hole and the upper left bolt hole and is connected with the left connecting nut 17 to connect the right ends of the upper left connecting plate and the lower left connecting plate together. The left supporting frame also includes a left suspension plate 18, the lower end of the left suspension plate is sleeved on the left connecting bolt, the left connecting nut presses the left suspension plate onto the upper left connecting plate, and the upper end of the left suspension plate is provided with a left suspension hole. The structure of the right guardrail is the same as that of the left guardrail, namely: the right guardrail includes a right front vertical support rod 19, a right rear vertical support rod and a plurality of right transverse support rods connecting the right front vertical support rod with the right rear vertical support rod, the right transverse support rod is distributed in the up and down direction, the lower end of the right front vertical support rod and the lower end of the right rear vertical support rod are each connected to the horizontal steel beam through a right supporting frame 20, the right supporting frame includes an upper right connecting plate 21 and a lower right connecting plate 22 connected at the right end, a right bayonet 23 is formed between the right end of the upper right connecting plate and the right end of the lower right connecting plate, and the right side of the top plate is penetrated into the right bayonet; a right limiting pin 24 is provided on the upper surface of the upper right connecting plate, and the lower end of the right front vertical support rod and the lower end of the right rear vertical support rod are provided with a right limiting hole 25 sleeved on the right limiting pin. The right end of the upper right connecting plate is provided with a right upper bolt hole, and the right end of the lower right connecting plate is provided with a right lower bolt hole. The right connecting bolt 26 passes through the lower right bolt hole and the upper right bolt hole and is connected with the right connecting nut 27 to connect the right ends of the upper right connecting plate and the lower right connecting plate together.The right supporting frame also includes a right hanging plate 28, the lower end of the right hanging plate is sleeved on the right connecting bolt, the right connecting nut presses the right hanging plate on the upper right connecting plate, and the upper end of the right hanging plate is provided with a right hanging hole; the left end of the front hanging rod 29 is inserted into the left hanging hole of the left supporting frame supporting the left front vertical supporting rod and is provided with a left hook head 30 of the front hanging rod part, and the right end is inserted into the right hanging hole of the right supporting frame supporting the right front vertical supporting rod and is provided with a right hook head 31 of the front hanging rod part, and the left end of the rear hanging rod is inserted into the left hanging hole of the left supporting frame supporting the left rear The left hook 32 of the rear suspension rod is arranged in the left suspension hole of the left support frame of the vertical support rod, and the right end is inserted into the right suspension hole of the right support frame supporting the right rear vertical support rod and is provided with the right hook of the rear suspension rod. The left hook of the front suspension rod is used to prevent the left suspension plate from falling off from the front suspension rod, the right hook of the front suspension rod is used to prevent the right suspension plate from falling off from the front suspension rod, the left hook of the rear suspension rod is used to prevent the left suspension plate from falling off from the rear suspension rod, and the right hook of the rear suspension rod is used to prevent the right suspension plate from falling off from the rear suspension rod. The lower ends of the left guardrail and the right guardrail are connected together through a floor 33, and the floor is supported on the shear nails.

[0016] The method for removing the lower guardrail and moving it to another part of the steel beam for installation is: lift up the left and right guardrails to remove them, move the left support frame to the left so that the left support frame is detached from the floor and hung on the front and rear suspension rods, move the right support frame to the right so that the right support frame is detached from the floor and hung on the front and rear suspension rods, lift the front and rear suspension rods to move the left and right support frames to the required positions, then move the left support frame to the right so that the opening of the left support frame is stuck on the left edge of the floor, move the right support frame to the left so that the opening of the right support frame is stuck on the right edge of the floor, and then support the left and right guardrails on the left and right support frames.

Claims

1. A temporary guardrail installation structure for a steel beam, comprising a horizontal steel beam, a left guardrail located on one side of the horizontal steel beam in the width direction, and a right guardrail located on the other side of the horizontal steel beam in the width direction, wherein the horizontal steel beam comprises a vertical partition and a top plate connected to the top of the vertical partition, wherein both sides of the top plate in the thickness direction of the vertical partition extend out of the vertical partition, and a plurality of rows of shear nails distributed along the extension direction of the horizontal steel beam are distributed on the upper surface of the top plate, wherein the shear nails in the same row of shear nails are distributed along the width direction of the steel beam, and wherein the plurality of rows ... The left guardrail includes a left front vertical support rod, a left rear vertical support rod and a plurality of left transverse support rods connecting the left front vertical support rod with the left rear vertical support rod, the left transverse support rod is distributed in the up and down direction, the lower ends of the left front vertical support rod and the lower ends of the left rear vertical support rod are respectively supported on a left supporting frame, the left supporting frame includes an upper left connecting plate and a lower left connecting plate connected at the left end, a left bayonet is formed between the right end of the upper left connecting plate and the right end of the lower left connecting plate, and the left side of the top plate is passed through the left bayonet; the right guardrail includes a right front vertical support rod, a right rear vertical support rod and A plurality of right transverse support rods are connected together with the right front vertical support rod and the right rear vertical support rod, and the right transverse support rods are distributed in the up-down direction, and the lower ends of the right front vertical support rod and the right rear vertical support rod are respectively connected to the horizontal steel beam through a right supporting frame, and the right supporting frame includes an upper right connecting plate and a lower right connecting plate connected at the right end, and a right bayonet is formed between the right end of the upper right connecting plate and the right end of the lower right connecting plate, and the right side of the top plate is inserted into the right bayonet; the lower ends of the left guardrail and the right guardrail are connected together through a floor, and the floor is located above the shear nails.

2. The steel beam temporary guardrail installation structure according to claim 1 is characterized in that: A left limit pin is provided on the upper surface of the upper left connecting plate, and the lower ends of the left front vertical support rod and the left rear vertical support rod are both provided with a left limit hole which is sleeved on the left limit pin; a right limit pin is provided on the upper surface of the upper right connecting plate, and the lower ends of the right front vertical support rod and the right rear vertical support rod are both provided with a right limit hole which is sleeved on the right limit pin.

3. The steel beam temporary guardrail installation structure according to claim 2 is characterized in that: The floor panel is supported on the shear studs.

4. A steel beam temporary guardrail installation structure according to claim 1, 2 or 3, characterized in that: The left end of the upper left connecting plate is provided with an upper left bolt hole, and the left end of the lower left connecting plate is provided with a lower left bolt hole. The left connecting bolt passes through the lower left bolt hole and the upper left bolt hole and is connected with the left connecting nut to connect the right ends of the upper left connecting plate and the lower left connecting plate together; the right end of the upper right connecting plate is provided with an upper right bolt hole, and the right end of the lower right connecting plate is provided with a lower right bolt hole. The right connecting bolt passes through the lower right bolt hole and the upper right bolt hole and is connected with the right connecting nut to connect the right ends of the upper right connecting plate and the lower right connecting plate together.

5. The steel beam temporary guardrail installation structure according to claim 4 is characterized in that: The left supporting frame also includes a left hanging plate, the lower end of the left hanging plate is sleeved on the left connecting bolt, the left connecting nut presses the left hanging plate on the upper left connecting plate, and the upper end of the left hanging plate is provided with a left hanging hole; the right supporting frame also includes a right hanging plate, the lower end of the right hanging plate is sleeved on the right connecting bolt, the right connecting nut presses the right hanging plate on the upper right connecting plate, and the upper end of the right hanging plate is provided with a right hanging hole; the left end of the front hanging rod is inserted into the left hanging hole of the left supporting frame supporting the left front vertical supporting rod and is provided with a left hook head of the front hanging rod part, and the right end is inserted into the right hook head of the front hanging rod part supporting the right front vertical supporting rod part The right hook of the front suspension rod is provided in the right hanging hole of the right supporting frame of the vertical support rod, the left end of the rear suspension rod is passed through the left hanging hole of the left supporting frame supporting the left rear vertical support rod and is provided with a left hook of the rear suspension rod, and the right end is passed through the right hanging hole of the right supporting frame supporting the right rear vertical support rod and is provided with a right hook of the rear suspension rod. The left hook of the front suspension rod is used to prevent the left suspension plate from falling off from the front suspension rod, the right hook of the front suspension rod is used to prevent the right suspension plate from falling off from the front suspension rod, the left hook of the rear suspension rod is used to prevent the left suspension plate from falling off from the rear suspension rod, and the right hook of the rear suspension rod is used to prevent the right suspension plate from falling off from the rear suspension rod.

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