CN211472206U - Movable type lifting work platform that encorbelments - Google Patents

Abstract

The utility model discloses a movable overhanging lifting working platform, which comprises a movable platform and a working platform, wherein the bottom of a movable frame is provided with a one-way movable wheel, so that the movable frame can move along the horizontal direction all the time; the supporting beam comprises an upper supporting beam and a lower supporting beam which are respectively fixed at the upper part and the middle part of the two sides of the moving frame; the anchoring ring is fixed on the inner side of the upper part of the movable frame; the working platform comprises a lifting frame, a bottom beam, a fixed sleeve, a lifting inner rod and a lifting assembly; the fixed sleeve is vertically fixed on the upper supporting beam and the lower supporting beam; the pole matches the suit and extends fixed cover in fixed cover and the upper and lower both ends of pole in the lift, and the lower extreme of pole in the lift is fixed on the floorbar, the utility model discloses can follow the horizontal and vertical emergence displacement of segment roof beam, can just remove the convenience at the optional position operation of the cantilever end of segment roof beam, the fastness is good, can satisfy the working requirement that the steel strand wires of segment roof beam were worn to restraint, stretch-draw.

Description

Movable type lifting work platform that encorbelments

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to portable lift work platform that encorbelments.

Background

In the process of modern bridge construction, the segment prefabrication and assembly technology is increasingly applied and popularized with the advantages of economy, high efficiency, environmental protection and the like. And the prefabricated sections are manufactured in a prefabricated yard and transported to a bridge site for assembly in the later period. The assembling process comprises a plurality of procedures of lifting, trial assembling, coating epoxy resin glue, tensioning temporary prestress, through holes, tensioning permanent prestress, pipeline grouting and the like.

In the assembling process, a conventional short line method is adopted, a climbing vehicle is adopted to carry out top plate bundle steel strand penetrating operation at the cantilever end of a section beam, and tensioning needs an automobile crane to be matched with the climbing vehicle to carry out operation.

Disclosure of Invention

Defect and problem to existing equipment existence, the utility model provides a portable lift work platform of encorbelmenting, the effectual equipment that exists among the existing equipment that has solved takes up an area of big, the operation process is loaded down with trivial details, remove the difficulty and use inconvenient problem.

The utility model provides a scheme that its technical problem adopted is: a movable overhanging lifting working platform comprises a movable platform and a working platform, wherein the movable platform comprises a movable frame, a unidirectional movable wheel, a supporting beam and an anchoring ring; the bottom of the moving frame is provided with a one-way moving wheel, so that the moving frame always moves along the horizontal direction; the supporting beam comprises an upper supporting beam and a lower supporting beam which are respectively fixed at the upper part and the middle part of the two sides of the moving frame; the upper supporting beam and the lower supporting beam both extend out of the outer side of the moving frame, and the anchoring ring is fixed on the inner side of the upper part of the moving frame; the working platform comprises a lifting frame, a bottom beam, a fixed sleeve, a lifting inner rod and a lifting assembly; the bottom beam is fixed at the bottom of the lifting frame and extends out of two sides of the lifting frame, and the fixed sleeve is vertically fixed on the upper supporting beam and the lower supporting beam; the inner lifting rod is sleeved in the fixed sleeve in a matched mode, the upper end and the lower end of the inner lifting rod extend out of the fixed sleeve, the lower end of the inner lifting rod is fixed on the bottom beam, a lifting assembly is arranged on the upper supporting beam and between the bottom beams, and the bottom beam can move up and down relatively to the upper supporting beam by driving the lifting assembly.

Furthermore, the lifting assembly is an electric hoist fixed on the upper supporting beam, the bottom beam is fixed with a lifting seat, and the lifting seat is in transmission connection with the electric hoist through a steel wire rope.

Further, moving platform's middle part is provided with the middle part and hangs the roof beam, and the middle part hangs the roof beam and extends to work platform with last supporting beam is parallel, and the last slidable mounting of middle part hangs the roof beam has the pulley, install the lifting rope on the pulley.

Furthermore, a baffle is arranged at the tail end of the middle suspension beam.

Furthermore, the inner ends of the middle suspension beam and the upper support beam extend out of the movable frame, and the anchoring ring is fixed at the inner ends of the middle suspension beam and the upper support beam.

The utility model has the advantages that: the utility model discloses moving platform and work platform have been set up, moving platform's bottom is provided with the one-way movement wheel, make moving platform at section girder upper portion horizontal migration, work platform can follow moving platform and reciprocate, make work platform be in the side department of section girder, make things convenient for constructor to carry out prestressing force from the side of section girder and wear to restraint stretch-draw operation to section girder, thereby horizontal movement adjustment work platform's through moving platform horizontal operation region, through the vertical operation region of lifting unit adjustment work platform, high durability and convenient use, can be applicable to the stretch-draw of wearing of different positions prestressing tendons, and it is convenient to remove.

Meanwhile, the inner end of the mobile platform is provided with the anchoring ring, and the fixing rope is arranged on the anchoring ring, so that the inner side of the mobile platform can be anchored, the mobile platform is prevented from turning on one side, and the safety of the working platform is ensured.

Meanwhile, the middle suspension beam is arranged in the middle of the moving platform, the pulley is arranged on the middle suspension beam, and the lifting rope is mounted on the pulley and can be used for transporting operation equipment such as a jack and the like.

Therefore the utility model discloses can follow the horizontal and vertical emergence displacement of festival section roof beam, can just remove the convenience at the optional position operation of the cantilever end of festival section roof beam, the fastness is good, can satisfy the steel strand wires of festival section roof beam and wear the work requirement of restrainting, stretch-draw, also realize guaranteeing operating personnel's safety, the turnover is nimble, convenient to use, and is with low costs, rational in infrastructure, facilitate promotion and use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the lifting assembly.

Fig. 3 is another structural schematic diagram of the lifting assembly.

The reference numbers in the figures are: 1 is the removal frame, 2 is the unidirectional movement wheel, 3 is the lower beam, 4 is the upper beam, 5 is the middle part hanging beam, 6 is the anchor ring, 7 is the guardrail, 8 is fixed cover, 9 is the interior pole that goes up and down, 10 is the crane, 11 is the floorbar, 12 electric block, 13 is for lifting by crane the seat, 14 is the pulley, 15 is for keeping off the platform, 16 is wire rope.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: this embodiment aims at providing a portable lift work platform that encorbelments, it is bulky to current operation instrument, it is difficult to remove, use trouble problem, this embodiment provides a lift work platform that encorbelments of portable removal, mainly used wears to restraint the operation to the prestressing tendons to the side of the section roof beam, as shown in fig. 1, a portable lift work platform that encorbelments includes moving platform and work platform, moving platform is along horizontal upper surface removal at the section roof beam all the time, a horizontal position for adjusting work platform on the section roof beam, work platform can reciprocate for moving platform, and then adjust work platform at the vertical position of section roof beam, thereby make the utility model discloses the prestressing tendons that can be applicable to the different positions of section roof beam are worn to restraint the operation.

The moving platform comprises a moving frame 1, a one-way moving wheel 2, a supporting beam and an anchoring ring 6; the bottom of the moving frame 1 is provided with a one-way moving wheel 2, so that the moving frame 1 always moves along the horizontal direction, as shown in fig. 1, the one-way moving wheel 2 is arranged in parallel with the working platform, and the working platform can be horizontally displaced through the one-way moving wheel; the supporting beam comprises an upper supporting beam 4 and a lower supporting beam 3 which are respectively fixed on the upper part and the middle part of the two sides of the moving frame 1; the upper supporting beam 4 and the lower supporting beam 3 both extend out of the outer side of the moving frame 1 to fix and support the working platform, and the anchoring ring 6 is fixed on the inner side of the upper part of the moving frame 1.

The movable platform is fixed on the bridge floor during operation, and the working platform is suspended on the side surface of the cantilever end of the segmental beam; the moving platform is characterized in that a one-way moving wheel 2 is welded on a base, an upright post is welded on the base along the vertical direction, a guardrail 7 is welded on the upright post along the transverse direction, and an upper cross beam is welded at the top of the upright post; go up supporting beam 4 and be provided with two, respectively along the top of horizontal welding at the stand, it hangs roof beam 5 with the middle part that goes up the supporting beam parallel to have arranged on the entablature, 6 welding of anchor ring are at the medial extremity of middle part hanging roof beam 5 and last supporting beam 4, 6 fixed ropes have been drawn along the slant downwards inwards to anchor ring, fixed rope anchor is on the surface of section roof beam, can follow the inboard and carry out the counter-pull to moving platform, a gravity for balanced work platform, prevent that work platform from taking place to empty, guarantee the safety and the stability of equipment.

Middle part hanging beam and last supporting beam are parallel and extend to work platform, and the pulley that slidable mounting was some on the middle part hanging beam, install the lifting rope on the pulley, the end of middle part hanging beam is provided with the separation blade, can be used for transporting operation equipment when the operation, like jack etc..

The working platform comprises a lifting frame 10, a bottom beam 11, a fixed sleeve 8, a lifting inner rod 9 and a lifting assembly; the bottom beam 11 is fixed at the bottom of the lifting frame 10, the lifting frame 10 extends out of two ends of the bottom beam 11, the bottom beam 11 is used as the lifting end of the lifting frame 10, and the lifting and descending of the bottom beam drive the lifting frame 10 to lift, namely the vertical movement of the working platform is completed; the fixing sleeve 8 is vertically fixed on the upper supporting beam 4 and the lower supporting beam 3, as shown in fig. 1, the fixing sleeve 8 is vertical to the upper supporting beam 4 and the lower supporting beam 3, and the fixing sleeve 8 is used as an outer sleeve for limiting and supporting the lifting inner rod 9; the inner lifting rod 9 is sleeved in the fixing sleeve 8 in a matching mode, the fixing sleeve 8 extends from the upper end and the lower end of the inner lifting rod 9, the lower end of the inner lifting rod 9 is fixed on the bottom beam 11, and the lifting of the working platform can be completed only by lifting or lowering the inner lifting rod due to the fact that the bottom beam is fixedly connected with the inner lifting rod 9.

For drive lift interior pole 9, go up the supporting beam on and be provided with lifting unit between the floorbar, can make the floorbar reciprocate relatively with last supporting beam through drive lifting unit, wherein the inside of crane is the operation district, and the operation is distinguished to open and is had the operation mouth towards section roof beam cantilever end, makes things convenient for equipment to get into, construction operation and personnel to pass in and out.

Example 2: this embodiment further defines the lifting assembly on the basis of embodiment 1.

As shown in fig. 1, the lifting assembly is an electric hoist 12 fixed on an upper supporting beam, a bottom beam is fixedly connected with a lifting seat of the electric hoist 12, and the lifting seat 13 is in transmission connection with the electric hoist 12 through a traction rope; the haulage rope is the chain block that the holding capacity is 2 t.

The electric hoist 12 is fixed on the upper supporting beam 4, and the lifting seat 13 can make the bottom beam, namely the lifting frame, move up and down relative to the upper supporting beam 4 by traction, namely, the vertical position of the working platform is changed; in order to ensure the stability of the equipment, the lifting assemblies are provided with two sets and are respectively arranged on two sides of the lifting frame, and the lifting frame is lifted synchronously from two sides, so that the structure is stable.

Example 3: this embodiment is different from embodiment 2 in that another elevating assembly is provided.

As shown in fig. 2, the upper supporting beam is provided with two beams a and B, the two ends of the bottom beam 11 extend out of the lifting frame 10, the two ends are respectively a C end and a D end, the electric hoist is fixed on the beam a, one end of the traction rope is fixed on the beam B, and is fixed on the lifting seat of the electric hoist after sequentially passing through the C end and the D end; through promoting the electric hoist, can make crane both ends promote in step.

Therefore the utility model discloses can follow the horizontal and vertical displacement that takes place of segment girder, can just remove the convenience at the optional position operation of the cantilever end of segment girder, the fastness is good, can satisfy the steel strand wires of segment girder and wear the work requirement of restrainting, stretch-draw, also realize guaranteeing operating personnel's safety, the turnover is nimble, convenient to use.

Claims (5)

1. The utility model provides a portable lift work platform that encorbelments which characterized in that: the device comprises a moving platform and a working platform, wherein the moving platform comprises a moving frame, a one-way moving wheel, a supporting beam and an anchoring ring; the bottom of the moving frame is provided with a one-way moving wheel, so that the moving frame always moves along the horizontal direction; the supporting beam comprises an upper supporting beam and a lower supporting beam which are respectively fixed at the upper part and the middle part of the two sides of the moving frame; the upper supporting beam and the lower supporting beam both extend out of the outer side of the moving frame, and the anchoring ring is fixed on the inner side of the upper part of the moving frame; the working platform comprises a lifting frame, a bottom beam, a fixed sleeve, a lifting inner rod and a lifting assembly; the bottom beam is fixed at the bottom of the lifting frame and extends out of two sides of the lifting frame, and the fixed sleeve is vertically fixed on the upper supporting beam and the lower supporting beam; the inner lifting rod is sleeved in the fixed sleeve in a matched mode, the upper end and the lower end of the inner lifting rod extend out of the fixed sleeve, the lower end of the inner lifting rod is fixed on the bottom beam, a lifting assembly is arranged on the upper supporting beam and between the bottom beams, and the bottom beam can move up and down relatively to the upper supporting beam by driving the lifting assembly.

2. The mobile overhanging elevated platform of claim 1 wherein: the lifting assembly is an electric hoist fixed on the upper supporting beam, the bottom beam is fixed with a lifting seat, and the lifting seat is in transmission connection with the electric hoist through a steel wire rope.

3. The mobile overhanging elevated platform of claim 1 wherein: the middle part of moving platform is provided with middle part hanging beam, and middle part hanging beam is parallel and extend to work platform with last supporting beam, and the last pulley of slidable mounting of middle part hanging beam, install the lifting rope on the pulley.

4. The mobile overhanging elevated platform of claim 3 wherein: and the tail end of the middle suspension beam is provided with a baffle.

5. The mobile overhanging elevated platform of claim 4 wherein: the inner ends of the middle suspension beam and the upper support beam extend out of the movable frame, and the anchoring ring is fixed at the inner ends of the middle suspension beam and the upper support beam.

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