Pulley hoisting device for high iron railing replacement construction

Abstract

The utility model relates to the technical field of high iron handrail replacement devices, and particularly discloses a pulley hoisting device for high iron handrail replacement construction. The device comprises a device main body connected with the high iron handrail; the device main body comprises a first connecting plate which has an L-shaped cross section and is arranged along the length direction of the high iron handrail; two second connecting plates are obliquely arranged below the first connecting plate, and one ends of the second connecting plates are connected with the first connecting plate; the first connecting plate and the two second connecting plates jointly form a limiting interval for a rope to penetrate through, and a fixed pulley rotationally connected with the second connecting plates is arranged in the limiting interval. The risk that a constructor falls off the viaduct when the rope is pulled can be avoided; and meanwhile, the fixed pulley can change the direction of the pulling force applied by the constructor, so that the constructor can conveniently pull the concrete below the rope to the elevated bridge.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed rail handrail replacement device technical field, concretely relates to a high -speed rail handrail replacement construction pulley hoisting device. BACKGROUND

[0002] When high-speed rail handrails are installed and constructed, first, the bottom seat needs to be cast on both sides of the road, and then the prefabricated handrails are connected with the bottom seat after the bottom seat is cast, so as to fix the handrails; when the high-speed rail handrails are constructed on the viaduct, because the space on the viaduct is limited and the driving safety needs to be ensured, the construction personnel mostly hoist the concrete and the construction components from the bridge bottom to the viaduct, and the current hoisting method is mostly that the construction personnel manually hold the rope and pull the concrete under the viaduct to the viaduct through the rope; when the rope is pulled, the construction personnel need to climb on the handrails, the upper body is out of the handrails, and the rope is pulled upward by both hands, which not only makes it inconvenient for the construction personnel to pull and stretch, but also has the risk that the construction personnel falls off the viaduct. CONTENT

[0003] The utility model provides a high -speed rail handrail replacement construction pulley hoisting device, it can overcome certain or some defects of prior art.

[0004] According to the high -speed rail handrail replacement construction pulley hoisting device of the utility model, it includes: the device main body connected with high -speed rail handrail;The device main body includes the first connecting plate that the cross section is L -shaped and is arranged along the length direction of high -speed rail handrail;Two second connecting plates are arranged obliquely below the first connecting plate, and one end of the second connecting plate is connected with the first connecting plate;The first connecting plate and the two second connecting plates jointly constitute the limiting interval for the rope to pass through, and the limiting interval is provided with the fixed pulley that is rotationally connected with the second connecting plate.

[0005] Through the utility model, because the high -speed rail handrails currently used mostly include two installation plates connected with the casted bottom seat, a plurality of connecting rods are arranged between the two installation plates and are spaced apart along the height direction of the installation plate;When the construction personnel need to hoist the concrete, the construction personnel first clamps the first connecting plate on the uppermost connecting rod of the high -speed rail handrail, then binds the first connecting plate and the connecting rod through the steel wire rope to prevent the first connecting plate from falling, then passes the rope through the fixed pulley and puts it into the viaduct, after the lower end of the rope is hung with the concrete, the construction personnel pull the rope on the viaduct, the rope is retracted upward along with the rotation of the fixed pulley until the concrete below the rope is hoisted to the viaduct, then the object below the rope can be taken off by the construction personnel;During the hoisting of the rope, the construction personnel do not need to put the upper body out of the high -speed rail handrails, which avoids the risk that the construction personnel falls off the viaduct when pulling the rope;Meanwhile, the fixed pulley can also change the direction of the pulling force applied by the construction personnel, which facilitates the construction personnel to pull the concrete below the rope to the viaduct;

[0006] When the construction personnel pull the rope, the rope will extrude the fixed pulley, at this time, the two second connecting plates will be pressed on the connecting rods adjacent to the uppermost connecting rod of the high-speed rail guardrail, the second connecting plates are supported by the connecting rods, so that the construction personnel can prevent the device main body from deviating when pulling the rope, and preferably improve the overall stability of the device main body during use.

[0007] As preferred, the limiting section is provided with a limiting rod penetrating through the fixed pulley, and the limiting rod is internally provided with a threaded hole arranged along the length direction of the limiting rod; the two second connecting plates are each provided with a through hole corresponding to the threaded hole, and the second connecting plate is provided with a bolt penetrating through the through hole and extending into the threaded hole.

[0008] Through the utility model, when installing the fixed pulley, the installer first penetrates the limiting rod through the fixed pulley, then puts the fixed pulley into the limiting section, aligns the threaded hole on the limiting rod with the through hole on the second connecting plate, and finally the construction personnel twists the bolt to insert the bolt into the threaded hole through the through hole, thereby fixing the fixed pulley, which facilitates the installer to install the fixed pulley.

[0009] As preferred, the first connecting plate and the second connecting plate are made of angle steel.

[0010] Through the utility model, the angle steel has a bending angle, thereby facilitating the first connecting plate to be clamped on the connecting rod of the high-speed rail guardrail and facilitating the subsequent binding of the steel wire rope; meanwhile, the angle steel has high bending strength and compression strength and can bear large load, thereby preventing the device main body from being extruded and deformed when the rope hoists the object.

[0011] As preferred, the first connecting plate and the second connecting plate are welded.

[0012] Through the utility model, the installer can conveniently fix and connect the first connecting plate and the second connecting plate.

[0013] As preferred, the included angle between the first connecting plate and the second connecting plate is 40-50 degrees.

[0014] Through the utility model, since the second connecting plate is inclined, the construction personnel can conveniently place the second connecting plate on the connecting rod and support it by the connecting rod.

[0015] As preferred, the first connecting plate and the high-speed rail guardrail are connected by the steel wire rope.

[0016] Through the utility model, the steel wire rope can fix the first connecting plate on the high-speed rail guardrail, when it is necessary to dismount the device main body, only the steel wire rope needs to be untied, the device main body can be separated from the high-speed rail guardrail, which facilitates the construction personnel to connect the device main body to the high-speed rail guardrail and also facilitates the construction personnel to dismount the device main body from the high-speed rail guardrail. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a schematic diagram of the installation position of the main body of the device in Example 1.

[0018] Figure 2 This is a schematic diagram of the main body of the device in Example 1.

[0019] Figure 3 This is a schematic diagram of the limiting rod in Example 1.

[0020] Figure 4 This is an exploded view of the fixed pulley installation accessories in Example 1.

[0021] Figure 5 This is a schematic diagram of the limiting range in Example 1. Detailed Implementation

[0022] To further understand the content of this utility model, a detailed description of the utility model is provided in conjunction with the embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the utility model.

[0023] Example 1

[0024] like Figures 1-5 As shown, this embodiment provides a high-speed rail guardrail replacement construction pulley hoisting device, including a device body 100 connected to the high-speed rail guardrail 110; the device body 100 includes a first connecting plate 210 with an L-shaped cross-section and arranged along the length direction of the high-speed rail guardrail 110; two second connecting plates 220 are inclinedly arranged below the first connecting plate 210 and connected at one end to the first connecting plate 210; the first connecting plate 210 and the two second connecting plates 220 together form a limiting interval 520 for ropes to pass through, and a fixed pulley 230 rotatably connected to the second connecting plate 220 is provided in the limiting interval 520.

[0025] Through the embodiment, since the currently used high-speed rail railings mostly include two installation plates connected with the completed base, a plurality of connecting rods are arranged between the two installation plates and spaced along the height direction of the installation plate; when the construction personnel need to hoist the concrete, the construction personnel first clamps the first connecting plate 210 on the uppermost connecting rod of the high-speed rail railing, then binds the first connecting plate 210 and the connecting rod through the steel wire rope to prevent the first connecting plate 210 from falling, then passes the rope through the fixed pulley 230 and puts it into the underpass of the viaduct, waits for the concrete at the lower end of the rope to be hung, the construction personnel pull the rope on the viaduct, the rope shrinks upward along with the rotation of the fixed pulley 230 until the concrete below the rope is hoisted to the viaduct, then the construction personnel can take the object below the rope; during the hoisting of the rope, the construction personnel do not need to put the upper body out of the high-speed rail railing, thereby avoiding the risk of falling off the viaduct when pulling the rope; meanwhile, the fixed pulley 230 can also change the direction of the pulling force of the construction personnel, thereby facilitating the construction personnel to pull the concrete below the rope to the viaduct.

[0026] When the construction personnel pull the rope, the rope will press the fixed pulley 230, at this time, the two second connecting plates 220 will be pressed on the connecting rod adjacent to the uppermost connecting rod of the high-speed rail railing, and the second connecting plate 220 is supported by the connecting rod, so that the construction personnel can prevent the device main body 100 from deviating when pulling the rope, and preferably improve the overall stability of the device main body 100 during use.

[0027] In the embodiment, the limiting interval 520 is provided with a limiting rod 310 penetrating through the fixed pulley 230, and the limiting rod 310 is internally provided with a threaded hole 410 arranged along the length direction of the limiting rod 310; the two second connecting plates 220 are each provided with a through hole 510 corresponding to the threaded hole 410, and the second connecting plate 220 is provided with a bolt 240 penetrating through the through hole 510 and extending into the threaded hole 410.

[0028] Through the embodiment, when installing the fixed pulley 230, the installer first penetrates the limiting rod 310 through the fixed pulley 230, then puts the fixed pulley 230 into the limiting interval 520, so that the threaded hole 410 on the limiting rod 310 is aligned with the through hole 510 on the second connecting plate 220, and finally the construction personnel twists the bolt 240 to insert the bolt 240 into the threaded hole 410 through the through hole 510, thereby fixing the fixed pulley 230, thereby facilitating the installer to install the fixed pulley 230.

[0029] In the embodiment, the first connecting plate 210 and the second connecting plate 220 are made of angle steel.

[0030] Through the embodiment, the angle steel has a bending angle, so that the first connecting plate 210 is conveniently clamped on the connecting rod of the high-speed rail guardrail, and the steel wire rope is conveniently bound afterwards; meanwhile, the angle steel has high bending strength and compression strength, and can bear a large load, so as to prevent the device main body 100 from being extruded and deformed when the rope hoists an object.

[0031] In the embodiment, the first connecting plate 210 and the second connecting plate 220 are welded.

[0032] Through the embodiment, the first connecting plate 210 and the second connecting plate 220 are fixedly connected by the installation personnel.

[0033] In the embodiment, the included angle between the first connecting plate 210 and the second connecting plate 220 is 40-50 degrees.

[0034] Through the embodiment, since the second connecting plate 220 is inclined, the construction personnel can conveniently place the second connecting plate 220 on the connecting rod and support the connecting rod.

[0035] In the embodiment, the steel wire rope is bound and connected between the first connecting plate 210 and the high-speed rail guardrail 110.

[0036] Through the embodiment, the steel wire rope can fix the first connecting plate 210 on the high-speed rail guardrail 110, and when the device main body 100 needs to be removed, only the steel wire rope needs to be untied, so that the device main body 100 can be separated from the high-speed rail guardrail 110, which is convenient for the construction personnel to connect the device main body 100 to the high-speed rail guardrail 110, and also convenient for the construction personnel to remove the device main body 100 from the high-speed rail guardrail 110.

[0037] It is easy to understand that, based on one or more embodiments provided in the present application, other embodiments can be obtained by combining, splitting, recombining, etc. of the embodiments of the present application, and these embodiments do not exceed the protection scope of the present application.

[0038] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the present application, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A high-iron railing replacement construction pulley hoisting device, characterized in that: The utility model relates to a high-speed rail fence rope limiting device, including the device main part (100) connected with high-speed rail fence (110), device main part (100) includes the first connecting plate (210) of the L shape cross section and along high-speed rail fence (110) length direction arrangement, the second connecting plate (220) of one end and first connecting plate (210) connection is arranged obliquely below first connecting plate (210) 2, first connecting plate (210) and two second connecting plate (220) jointly constitute the limiting interval (520) for rope to pass through, and the fixed pulley (230) of rotation connection is equipped with in limiting interval (520) second connecting plate (220).

2. The high-speed rail barrier replacement construction pulley hoisting device according to claim 1, characterized in that: The limiting interval (520) is provided with a limiting rod (310) passing through the fixed pulley (230), the limiting rod (310) is provided with a threaded hole (410) arranged along the length direction of the limiting rod (310) in the inside; the second connecting plate (220) is provided with a through hole (510) corresponding to the threaded hole (410) on the two second connecting plates (220), and the second connecting plate (220) is provided with a bolt (240) passing through the through hole (510) and extending into the threaded hole (410).

3. The high-speed rail barrier replacement construction pulley hoisting device according to claim 1, characterized in that: The first connecting plate (210) and the second connecting plate (220) are made of angle steel.

4. The high-speed rail barrier replacement construction pulley hoisting device according to claim 1, characterized in that: The first connecting plate (210) and the second connecting plate (220) are welded.

5. The high-speed rail barrier replacement construction pulley hoisting device according to claim 1, characterized in that: The included angle between the first connecting plate (210) and the second connecting plate (220) is 40-50 degrees.

6. The high-speed rail barrier replacement construction pulley hoisting device according to claim 1, characterized in that: The steel wire rope is connected between the first connecting plate (210) and the high-speed rail fence (110).

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