CN205171378U - Assembling lifting type construction platform for pier column construction - Google Patents

Abstract

The assembled lifting construction platform used for pier stud construction comprises an operation layer frame, one or a plurality of channel layer frames, a lifting equipment system and a template system; the template system is arranged between the pier stud and the operation layer frame, the lifting equipment system pushes the operation layer frame to be lifted to a positioning height, the ground on two sides of the pier stud is pushed into the channel layer frame in the horizontal direction and assembled with the operation layer frame on the ground; the hydraulic lifting device system drives the operation layer frame and the template system to ascend and descend, and the operation layer frame and the channel layer frame are both arranged on the ground for assembly and disassembly, so that constructors can be prevented from being arranged at high positions for assembly and disassembly, and the construction period is effectively shortened.

Description

Assembled lifting construction platform for pier column construction

Technical field:

The utility model relates to an assembled lifting type construction platform used for pier column construction.

Background technique:

At present, in the construction process of pier columns, especially the construction of bridge pier columns, the technology described in Figure 1 or 2 is generally used. As shown in Figure 1, it is a known civil construction method for bridge pier columns. Each lifting stage is assisted by a mobile crane to lift and dismantle the steel formwork. The construction frame is erected on the four sides of the pier column. In each lifting stage, the steel formwork and construction frame are assembled by manpower at the top of the uppermost edge, and the construction frame is removed. The steel formwork at the uppermost edge of the high place is hoisted and removed by a mobile crane, and the construction frame is removed from top to bottom by manpower. During this period, the removed construction frame is lifted to the ground by a mobile crane.

As shown in Figure 2, it is another known civil construction method for bridge pier columns. At each lifting stage, a mobile crane is used to assist in hoisting and dismantling the steel formwork. In each lifting stage, the steel formwork and the equipment for personnel to go up and down are assembled by manpower on the uppermost edge. When dismantling, the steel formwork located on the uppermost edge of the high place is hoisted and dismantled by a mobile crane, and the equipment for personnel to go up and down is removed by manpower from top to bottom During the period, a mobile crane is used to hoist the dismantled equipment to the ground.

The construction of the existing bridge pier column is constructed by sequentially erecting formwork and construction frame from the upper edge of the completed pier column part. In the same way, not only the construction efficiency is not good, but also the number of times the construction workers are exposed to the danger of high-altitude operations increases.

Utility model content:

The purpose of this utility model is to overcome the shortcomings of the above-mentioned prior art, and provide an assembled lifting construction platform for pier column construction. The hydraulic lifting equipment system drives the working layer frame and the formwork system to rise and fall, and the working layer frame and the channel The shelves are all assembled and disassembled on the ground, which can save the construction personnel from disassembling and assembling at high places, effectively shortening the construction period.

In order to achieve the above object, the utility model adopts the following technical solutions:

The assembled elevating construction platform used in pier column construction includes a working layer frame, one or more channel layers, a lifting equipment system and a formwork system; wherein, the formwork system is arranged between the pier column and the operating layer frame, and the lifting The equipment system pushes the working shelf up to the positioning height, pushes the passage shelf horizontally on the ground on both sides of the pier column, and assembles it with the working shelf on the ground.

Further, each floor of the operation shelf and the channel shelf is divided into A unit and B unit. The A and B units are correspondingly modularized to form a frame structure. The corresponding joints of the steel beams of the A and B units are equipped with The joining substrates are joined by bolt locking.

Further, the working floor frame is provided with a fixed staircase connected to the construction platform, railings are provided on the outer edge of the platform, a movable staircase is provided on the passage floor frame to connect the passage pedal, a guardrail is provided on the outer edge of the passage pedal, the passage pedal and the movable staircase The bolts and pins are fixed to the channel frame, and there are rollers between the operation frame, the channel frame and the pier to maintain the distance to facilitate the lifting operation and avoid wear and tear on the formwork system and the pier.

Further, a formwork system is provided between the working layer frame and the pier column. The formwork system is a steel formwork system with telescopic oil pressure rods, including two or more telescopic control boxes, eight or more telescopic oil pressure rods and four or more Composed of steel formwork, the steel formwork is divided into cap beam formwork and pier column formwork. When the steel formwork is assembled, the two sides of the telescopic control box are operated to extend and tighten toward the pier column at the same time, and the steel formwork is consolidated by bolts and bolts; When molding, the telescopic oil pressure rod is retracted to the direction of the steel frame construction frame to the position, and the demoulding is completed.

Further, the lifting equipment system is an hydraulic lifting equipment system, and the hydraulic lifting equipment system includes four or more groups of hydraulic machines and lifting pillars, one lifting control box, four or more lifting supports, four or more anti-skid brake devices ; When the construction platform is raised and lowered, it is controlled by the lifting control box, and at the same time four groups or more of the lifting pillars of the hydraulic press are actuated to drive the working layer to move up.

With the above-mentioned technical solution, when the utility model is assembled, it is located on the ground for operation, and the hydraulic lifting equipment system is first assembled to connect the fixed rod to the preset concrete pier column, and the A unit and B unit of the working floor frame are pushed by the corresponding two sides. Integrate with bolts. The steel formwork is hoisted from top to bottom and the hydraulic telescopic rod is combined to form a steel formwork system, which is consolidated with bolts.

When ascending, when working on the ground, first raise the lifting support of the hydraulic lifting equipment to a certain height, connect and fix it with the steel beam of the working layer frame, and operate the hydraulic lifting equipment to lift the working platform of the steel frame construction frame by the lifting control box. up to positioning. From the corresponding two sides of the ground level, the moving equipment is pushed into the channel shelf A unit and B unit are fixed by bolts. The descending operation layer frame is combined with the channel layer frame and fixed by bolts.

When the construction is completed and needs to be dismantled, when the operation is on the ground, first raise the lifting support of the hydraulic lifting equipment system to a certain height, connect and fix it with the steel beam of the working layer frame, remove the bolts connecting the upper and lower layers and the left and right layers to the base plate, and then hydraulically lift Equipment operation Lift up 5 cm to separate the upper and lower frames, use the mobile device to pull out the channel frame to the outside and remove it, and the hydraulic lifting equipment system starts to operate and lower the steel frame construction platform to the ground.

Compared with the prior art, the utility model can effectively reduce the construction cost and reduce the number of assembly operations of the construction personnel at high places; provide the construction personnel with a complete and safe working platform environment and proper access to the upper and lower passages; the improvement of automation improves the construction efficiency , stable quality and effective shortening of construction period.

Description of drawings:

Fig. 1 is existing bridge pier column construction frame platform one;

Fig. 2 is existing bridge pier column construction frame platform two;

Fig. 3 is the perspective view of the utility model;

Fig. 4 is the front view of the utility model;

Fig. 5 is the left view of the utility model;

Fig. 6 is the rear view of the utility model;

Fig. 7 is the right view of the utility model;

Figure 8 is a front sectional view of the utility model;

Figure 9 is a rear sectional view of the utility model;

Fig. 10 is a three-dimensional exploded view of the utility model;

Fig. 11 is a schematic diagram of lifting of the utility model.

in:

10a Unit A of working shelf

10b Unit B of the working shelf

11a channel shelf A unit

11b channel shelf A unit

10 working layers

11 channel shelves

12 fixed stairs

13 assembled stairs

14 cap beam steel formwork

15 pier column steel formwork

16 Railings

17 platform steel mesh pedal

18 frame cross steel tie rods

19 hydraulic telescopic control box

20 telescopic oil pressure rod

21 Joint base plate and bolts

22 oil hydraulic lifting pillar

23 hydraulic press

24 Oil hydraulic lifting equipment fixed connecting rod

25 hydraulic lifting control box

26 rollers

27 connecting cables

28 lifting support

detailed description:

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model is described below through specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and not intended to limit the scope of the present invention. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessary confusion of the concept of the present invention.

Referring to Fig. 3-11, it is an embodiment of the present utility model. Taking the assembled elevating construction platform used in bridge pier construction as an example, it includes a working shelf, one or more channel shelves, a lifting equipment system and a Formwork system; wherein, the formwork system is set between the pier column and the working layer frame, and the lifting equipment system promotes the operation layer frame to be lifted to the positioning height, and the ground on both sides of the pier column is pushed into the channel layer frame in a horizontal direction and placed between the ground and the working layer frame. Assembling the work shelf.

Specifically, a working shelf 10 is composed of unit A10a and unit B10b, and one or more channel shelves 11 are composed of unit A11a and unit B11b; the hydraulic lifting equipment system includes a hydraulic lifting control box 25, One connection cable 27, four or more hydraulic presses 23, four or more hydraulic lifting columns 22, four or more lifting supports 28; the steel formwork system includes two or more hydraulic telescopic control boxes 19, four or more caps Beam steel formwork 14, four or more pier steel formwork 15, each piece of steel formwork is controlled by eight or more telescopic oil pressure rods 20; work layer frame 10 is provided with fixed stairs 12 to reach the uppermost platform; work layer frame 10 is connected with the passage shelf 11 or the upper and lower passage shelves 11 with an assembled staircase 13; when the working shelf unit A10a is combined with the unit B10b, the passage shelf unit A11a is combined with the unit B11b or the upper and lower shelves, align the corresponding joints The base plate 21 is fixed using bolts.

During construction:

Preliminary work 1: All components of the assembled elevating construction platform used for pier column construction are prefabricated in the factory and then transported to the site for assembly.

Preliminary work 2: After the backfill of the bridge pier foundation is completed, the concrete pier must be pre-cast to an elevation of 1 meter above the ground.

Construction steps:

Step 1: Assemble the pillars and various components of the hydraulic press lifting equipment around the 1-meter pier column on site.

Step 2: The working layer frame corresponds to the position of the lifting pillar of the hydraulic machine, and is pushed in from both sides of the pier column to the horizontal direction of the ground in the center of the pier column using mobile equipment, and the A and B units are consolidated with bolts.

Step 3: Hoist the steel formwork with a mobile crane, and place it into the space between the working layer frame and the pier column from top to bottom. The steel formwork corresponds to the telescopic hydraulic rod and is fixed with bolts.

Step 4: Lift the support up to the position of the corresponding steel beam and connect it with a bolt.

Step 5: Use the formwork expansion control box to operate the left steel formwork and the right steel formwork hydraulic telescopic rod to tighten toward the center of the pier column. Bolts secure adjacent steel formwork.

Step 6: Concrete Pour.

Step 7: Remove the bolts of the consolidated steel formwork and demould.

Step 8: Use the formwork telescopic control box to operate the front steel formwork and the rear steel formwork hydraulic telescopic rod to retract to the position opposite to the center of the pier column, and continue to operate the left steel formwork and right steel formwork hydraulic telescopic rod to retract toward the opposite direction of the pier column center To the positioning, complete demoulding.

Step 9: Confirm the connection status of the lifting support and the corresponding steel beam position.

Step 10: Use the lifting control box to operate and simultaneously activate the hydraulic lifting equipment system to lift the working shelf to the positioning height.

Step 11: The channel shelf corresponds to the position of the lifting pillar of the hydraulic machine. Use mobile equipment on both sides of the pier column to push it in the direction of the ground level in the center of the pier column. Align the bolt holes of the upper, lower, left, and right connecting bases with the bolts, and use the bolts to lower the shelf. Consolidate the upper and lower shelves and units A and B.

Step 12: Fix the stairs connecting the upper and lower floors with bolts.

Step 13: Release the connection between the lifting support and the steel beam of the shelf, and lower the lifting support to the lowest position.

Step 14: Close the opening of the working shelf or the passage shelf with railings.

Step 15: Steel template assembly is the same as step 5.

Step 16: Concrete Pour.

Step 17: Demoulding the steel formwork is the same as step 7 and step 8.

At this point, the bridge piers need to continue construction upwards and enter a cyclic construction procedure, from step 9 to step 16 is a cyclic construction process.

The utility model uses the oil pressure lifting equipment system to drive the working shelf and the formwork system to rise and fall. Both the working shelf and the channel shelf are assembled and disassembled on the ground, which can save the construction personnel from disassembling and assembling operations at high places, and effectively shorten the construction period. .

The above description shows and describes the preferred embodiments of the present utility model. As mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various Various other combinations, modifications and environments can be made within the scope of the utility model concept described herein, through the above teachings or the technology or knowledge in the related field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (5)

1. the assembling ascending/decending operation platform of pier stud construction usage, is characterized in that: comprise a work layer frame, one or most channel layer framves, a jacking equipment system and template systems; Wherein, template system is arranged between pier stud and work layer frame, and jacking equipment systems force work layer frame is lifted to positioning height, pushes into channel layer frame and assemble on ground and work layer frame on ground, pier stud both sides with horizontal direction.

2. the assembling ascending/decending operation platform of pier stud construction usage as claimed in claim 1, it is characterized in that: every one deck frame of work layer frame and channel layer frame is divided into A unit and unit B, A, unit B are that corresponding modularity is made into frame construction, and A, unit B girder steel re-spective engagement place are provided with bonded substrate by the affixed conjunction of bolt lock.

3. the assembling ascending/decending operation platform of pier stud construction usage as claimed in claim 2, it is characterized in that: described work layer frame is provided with fixed stair connection construction platform, platform outer is provided with railing, channel layer frame is provided with folding stair interface channel pedal, passage pedal outer is provided with guardrail, passage pedal and folding stair to be closed with channel layer bridge joint by bolt and latch and fix, work layer frame and be provided with roller between channel layer frame and pier stud and keep spacing in order to the carrying out of lift work and avoid wearing and tearing with template system and pier stud.

4. the assembling ascending/decending operation platform of pier stud construction usage as claimed in claim 2 or claim 3, it is characterized in that: between work layer frame and pier stud, be provided with template system, described template system is for having flexible oil compression rod steel template system, comprise two or most extension and contraction control casees, eight or most flexible oil compression rods and four or most steel forms formed, steel form is divided into cap template and Pier Formwork, steel form group operates both sides by extension and contraction control case immediately and successively stretches out packing to pier stud direction simultaneously, and by bolt and latch consolidation steel form; The oil compression rod that stretches during the demoulding is retracted to location to steel framework scaffold direction, completes the demoulding.

5. the assembling ascending/decending operation platform of pier stud construction usage as claimed in claim 2 or claim 3, it is characterized in that: described jacking equipment system is oil pressure elevating device systems, oil pressure elevating device systems comprise four or most group hydraulic press and lifting support, elevating control case, four or most lifting supportings, four or most on-slip brake devices; The while of control by elevating control case during operation platform lifting, four groups or most individual hydraulic press lifting support starts drive on work layer frame and move.