CN214424049U - Stainless steel storage tank rolling assembly horizontal type construction device - Google Patents

Abstract

The utility model relates to a stainless steel storage tank roll group is to horizontal construction equipment. The traditional storage tank installation method has two types, one is the external scaffold erecting method, the method consumes a large amount of labor, and the construction progress is slow; secondly, the flip-chip method has higher mechanical cost and poorer safety. The utility model provides a stainless steel storage tank roll group is to horizontal construction equipment which constitutes and includes: horizontal group is to device structure, drive arrangement, stability monitoring device and anti-carburizing structure, horizontal group is to device including tug box base side pipe (1), tug box base side pipe and support tug box (2) welded fastening, it is connected with support tug (3) through the pivot to support the tug box, it has trusteeship (4) to support the tug top support, it has rubber or ligature palm rope (5) to vulcanize on the trusteeship, steel pipe connection pad (6) are installed to the one end of trusteeship, steel pipe connection pad is connected with speed reducer (7), the speed reducer is connected with motor (8). The utility model discloses be applied to storage tank group to the construction.

Description

Stainless steel storage tank rolling assembly horizontal type construction device

Technical Field

The utility model relates to a stainless steel storage tank roll group is to horizontal construction equipment.

Background

At present, the country advocates green construction vigorously, and on the premise of ensuring basic requirements such as quality and safety, through scientific management and technical progress, resources are saved to the maximum extent, construction activities influencing the environment are reduced, four-section one-environment protection (energy saving, land saving, water saving, material saving and environment protection) is realized, and safety and energy saving are key control contents for manufacturing pressure container storage tanks.

The traditional storage tank installation method has two types, one is the external scaffold erecting method, the method consumes a large amount of labor, and the construction progress is slow; and the other is a flip-chip method, which has higher mechanical investment and poorer safety.

The traditional storage tank installing construction process comprises the following steps: the method comprises the steps of laying and welding a tank bottom plate → manufacturing and installing a first circle of tank wall plate → erecting an outer tank wall group of double rows of operation scaffolds outside a tank wall, manually welding → welding an inner hanging welding trolley of a triangular moving platform hung in the tank wall → welding a second circle of plate prefabrication group, ascending the outer scaffold, welding an inner triangular movable frame upwards moving trolley → prefabrication of a top pouring, integral hoisting → integral hydraulic test of the tank body.

Traditional inverted tank construction process:

construction of a tank bottom plate and manufacturing and installation of a first circle of plate of the tank → prefabricating a tank top directly above the position of the tank bottom → adding a central column, setting four circles of holding rods, installing and welding a first circle of piston ring of the tank body → jacking the first circle of plate and a tank top part → installing and welding a second circle of steel plate → continuing to set jacking guy cables, monitoring stability → dismantling the holding rods inside the tank body till the installation of the tank body is finished.

Disclosure of Invention

The utility model aims at providing a stainless steel storage tank roll group is to horizontal construction equipment to solve the technical problem that the precision that exists is low among the prior art, the progress is slow, the safety guarantee is low.

The above purpose is realized by the following technical scheme:

the utility model provides a stainless steel storage tank roll group is to horizontal construction equipment which constitutes and includes: horizontal group is to device structure, drive arrangement, stability monitoring device and prevention of seepage carbon structure, horizontal group to the device including tug box base side pipe, tug box base side pipe with support tug box welded fastening, support tug box be connected with the support tug through the pivot, support tug top support and have the trusteeship, the trusteeship on vulcanize rubber or ligature palm rope, the one end of trusteeship install the steel pipe connection pad, the steel pipe connection pad be connected with the speed reducer, the speed reducer is connected with the motor, the motor is fixed in the base top, base one side install electrical control box, link up the trusteeship and be that one side drive, opposite side are driven, make the device according to clockwise operation through the speed reducer variable speed after the motor power transmission, support tug box on install infrared generator.

Stainless steel storage tank roll group to horizontal construction equipment, trusteeship on the subsection hoist and mount have a jar body after, the welding has the fixed block that has the screw hole on jar wall that jar mouth is close to jar internal portion, the screw in has the split bolt in the fixed block, makes jar body fold to the mouth under the fastening of split bolt and fixed block, the stagger of jar body adopts the welding to be close to the inclination fixed block of jar mouth in jar internal portion, the inclination fixed block on the screw in have the jackscrew, through inclination fixed block and jackscrew cooperation bolt fastening and release form the displacement.

The stainless steel storage tank rolling group is to horizontal construction equipment, the horizontal group of device structure is constituteed to tow boat base side pipe, support tow boat and trusteeship, steel pipe connection pad, the speed reducer, the motor with the base constitute drive arrangement, infrared generator constitute stability monitoring device, the rubber or ligature coir rope after the vulcanization on the trusteeship constitute prevention of seepage carbon structure.

The stainless steel storage tank rolling group is assembled to the horizontal construction device, and the support tube adopts a seamless steel tube.

The utility model discloses the beneficial effect who reaches is:

1. the device of the utility model can be suitable for the ultra-large tank body with the stainless steel cylinder diameter of 3500mm-6000mm, the cylinder length is 1m-15m, and the maximum load capacity is 50 tons of storage tank, thus becoming the preparation device in the ultra-large engineering of China.

2. The utility model changes the assembly of the tank body from the vertical direction to the horizontal direction, the assembly device can be used immediately after being manufactured, and only the hemp rope needs to be replaced according to the use condition; the tank body can be assembled on the roller, the mechanical investment is less, the operation is stable without high-altitude operation, the maintenance is convenient due to the infrared monitoring system, the construction speed is 1/2 saved compared with the prior art, the cost is reduced by 3/4, the prior high-altitude operation is changed into horizontal operation construction, and the qualification rate of quality check points is increased to 93.4%.

3. The utility model provides a conventional method need drop into labour cost, machinery cost, material cost higher, and the drawback that the high altitude construction quality assurance degree of difficulty is big. Compared with the conventional construction method, the construction of the new construction method has the advantages that the cost is saved by 771900-157704=614196 yuan, and the economic benefit is obvious.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view A-A of FIG. 1;

FIG. 3 is a schematic diagram of horizontal assembly after a single section of the tank body at the position B in FIG. 1 is hoisted to a supporting pipe;

FIG. 4 is a schematic diagram of vertical assembly after a single section of a tank body at the position B in FIG. 1 is hoisted to a supporting pipe

In the figure: 1. the base square tube of the tug boat box 2, the supporting tug boat box 3, the supporting tug boat 4, the trusteeship 5, rubber or binding palm rope 6, the steel pipe connection pad 7, the speed reducer 8, the motor 9, the base 10, the electrical control box 11, the infrared generator 12, the tank body 13, the fixed block 14, the split bolt 15, the inclination fixed block 16, the jackscrew.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

the utility model provides a stainless steel storage tank roll group is to horizontal construction equipment which constitutes and includes: the horizontal assembly device comprises a tug box base square tube 1, the tug box base square tube is welded and fixed with a supporting tug box 2, the supporting tug box is connected with a supporting tug 3 through a rotating shaft, a supporting pipe 4 is supported above the supporting tug, rubber or a binding palm rope 5 is vulcanized on the supporting pipe, a steel pipe connecting disc 6 is installed at one end of the supporting pipe, the steel pipe connecting disc is connected with a speed reducer 7, the speed reducer is connected with a motor 8, the motor is fixed above a base 9, an electric control box 10 is installed at one side of the base, the electric control box mainly serves as power transmission and power failure to realize starting and stopping, the through supporting pipe is driven at one side and driven at the other side, and the device runs clockwise through speed change of the speed reducer after the motor is powered on, the supporting tug box is provided with an infrared generator 11, when the device operates, infrared beams are generated, and when the device operates in a deviation mode, the device gives an alarm and stops.

Example 2:

according to embodiment 1, after a tank body 12 is hoisted on a supporting pipe section by section, a fixed block 13 with a threaded hole is welded on the tank wall of the tank body close to a tank opening, a split bolt 14 is screwed into the fixed block, the tank body is closed in an opposite opening mode under the fastening of the split bolt and the fixed block, a staggered opening of the tank body adopts an inclination fixed block 15 welded inside the tank body close to the tank opening, a jackscrew 16 is screwed into the inclination fixed block, and displacement is formed by fastening and releasing the inclination fixed block and the jackscrew matched bolt. The distance between the pull-up bolt and the fixing block and between the inclination fixing block and the jackscrew is 250 mm-300 mm, the offset is large and dense, and the distance is large. The tank bodies are uniformly distributed on the circumference, and the tank bodies are dismantled after being welded. Finishing the correction of the misalignment amount, performing spot welding for fixing after the alignment is qualified, driving the tank body to rotate under the driving of the driving motor, finishing the tank body assembly and spot welding work at the next position until the spot welding of one ring of plates is finished, and then finishing the welding operation on the device.

Example 3:

according to the horizontal construction device for rolling pairing of the stainless steel storage tanks, in the embodiment 1 or 2, the square tube of the base of the tug wheel box, the supporting tug wheel and the supporting pipe form a horizontal pairing device structure, the steel tube connecting disc, the speed reducer, the motor and the base form a driving device, the infrared generator forms a stability monitoring device, and vulcanized rubber or bound palm ropes on the supporting pipe form an anti-carburizing structure. Wherein the rubber adopts on-the-spot vulcanization to trusteeship on, on stainless steel material jar body placer, because there is the rubber to keep apart and make carbon steel device and stainless steel not have the carburization reaction to take place.

Example 4:

the method comprises the following steps of (1) comparing and selecting the performance of a base manufacturing material, comparing a model of a BIM technology (base structure form and size correction between structural parts), and applying (drawing of a manufacturing drawing); and monitoring the rotational stability of the tank body by using infrared beams. The hosting tube is separated from the stainless steel tank body by an insulating material.

Can be according to barrel diameter size regulation trusteeship interval by oneself, the roll frame adopts shaped steel plate structure support, main accessories such as bearing shaft all adopt high-quality steel to make, all through the quenching and tempering before processing survival, the rigidity is strong, comprehensive ability is good, the bearing capacity is big, twine the rope made of hemp on the roller before the gyro wheel installation, prevent stainless steel and carbon steel direct contact, produce the carbonization, the wheel that rolls is installed in the curb plate subassembly, the gyro wheel adopts the structure of integral gyro wheel, adopt the motor to drag when the group is installed, practice thrift mechanical cost greatly, long service life, convenient maintenance.

After the base is manufactured, the rolled tank body is subjected to single-ring assembly (2-to-1) on the assembly device, the installation of accessories inside the tank body can be completed according to the weight of the integral component after the tank body is formed, and then the tank body is integrally lifted away to manufacture the next storage tank.

The construction method of the horizontal construction device by the stainless steel storage tank rolling group comprises the following steps:

after the device is in place, the rolled single-section tank body is hoisted to the device through a crane on site, the second single-section tank body is also placed on the device, the tank body is initially placed in place while the tank body is placed (the distance between the tank body and the tank body is controlled to be about 100 mm), the distance between the two tank bodies is 3-4 mm through a pull bolt and a fixing piece of a pulling piece of the device, 4 mm steel plates are adopted to be tightly attached and placed into the aligned openings of the tank body, after the tank body is spot-welded, the steel plates are removed to be fully welded, the aligning device of the cylinder body is adopted to carry out the effect of pulling and staggering, the range is 18 degrees of cylinder arc length according to the orthographic projection, spot welding is carried out after the tank body is qualified, the interval of 3 cm is 35 cm, then the device is powered to rotate to the next aligned opening range, the tank body is fixed according to the same method, the spot welding is carried out until the spot welding of one circle of the tank body is finished, automatic submerged arc welding is adopted to be closely matched with the rotation of the tank body after the spot welding, the welding operation of the tank body is carried out, the welder outside the tank carries out welding bead welding outside the tank until the welding operation of the tank body is completed, the accessories in the tank are installed, the installation and the rotating cooperation of the tank body are completed, a scaffold rod is not needed to be erected in the whole process, and the tank body manufacturing work is efficiently and quickly completed.

Example 5:

the integral construction process flow and the operation key points of the storage tank are as follows:

single-ring steel plate lofting coil manufacturing → horizontal device arrangement → tank body assembly → tank body welding → pipe internal accessory installation → skirt installation → integral acid cleaning → combined acceptance.

(1) Measuring and paying off before rolling;

(2) rolling a steel plate;

(3) measuring a seal head;

(4) after the plate is rolled, the longitudinal joint splicing seam is welded with the rolled plate in a submerged-arc welding mode and then is rounded;

the specific construction process of the lower end socket and the barrel assembly is as follows: the length ruler is used for measuring the periphery of the end socket in a unified mode, then the outer periphery of the cylinder body after the plate rolling and the rounding are matched with the size of the upper end socket, and the fact that the deviation of the outer periphery is within 3mm can be guaranteed to be subjected to assembly. When in combination, firstly, aligning the end socket and the cylinder body by using the turn rule at one point, and then, fixing the end socket and the cylinder body by manual electric arc welding spot welding by a welder; the aligned parts are assembled towards one side, a triangular stainless steel wedge and a stainless steel door-shaped rib plate are aligned at an aligned and fixed point extension position with 10-20cm of misalignment, the door-shaped rib plate is welded to the edge of a cylinder steel plate at the inward concave circular seam assembly position, the wedge is knocked into the door-shaped rib plate, an end socket and the cylinder steel plate are aligned under the action of the force of the door-shaped rib plate and the wedge, a turning rule is used for checking, the maximum misalignment amount is not more than 1/4 delta (the plate thickness) is qualified (generally, the 12mm steel plate is basically guaranteed to be within 0.5mm and far less than a required standard error value), a welder fixes the end socket and the cylinder after the end socket is detected to be qualified by spot welding, the next section of cylinder is butted, and the operation is repeated in such a circulating way until the end socket is completely closed, and the assembly is completed;

(5) roller tyre arrangement

The arrangement and debugging of the roller tires and the tire mounting on the cylinder body need to measure the space between the roller tires and the size of a diagonal line by using a disc ruler, find that the size is not suitable and adjust the size in time, ensure that the two roller tires are arranged in parallel, take a rectangle formed by connecting lines of four corners as a standard, and adjust the elevation so that each acting point of the roller tires and the cylinder body is ensured to be on one elevation line; after the arrangement of the roller tires is finished, a roller tire control box is opened, and the dynamic adjustment of the azimuth deviation of the cylinder body during operation is carried out, wherein the operation method comprises the following steps: opening the control box to enable the roller tyre to be in a rotating state, drawing 1 straight line at the edge fixing position of the roller tyre by using a stone pen to leave a mark on the cylinder body, drawing 1-2m mark lines at intervals of 2-4m, drawing 1 mark line to be compared with the initial mark when the cylinder body rotates for a circle and is folded, and viewing the error direction and the error magnitude; continuously fine-adjusting the position of the roller tyre to finally make the mark approach to coincidence and finish debugging;

(6) and (3) carrying out submerged-arc welding on the inner circular seam, wherein before welding, whether the assembly gap is overlarge needs to be determined, if the assembly gap exceeds the assembly gap specified by a drawing, manual electric arc welding is adopted, then the outer circular seam is subjected to bottoming, and then welding flux remaining in the inner tank during bottoming welding, welding spots left during assembly, rust pollution and other problems are processed and qualified, and then welding is carried out. Parameters such as welding current, welding voltage, automatic welding machine speed and the like during submerged arc welding are set on a trolley data control box of the submerged arc welding machine according to welding process rules and evaluation, and an experienced submerged arc welder master finely adjusts the parameters according to actual conditions of welding material specifications, groove size, assembly clearance and the like on site. The method comprises the following steps that a roller tire is adjusted according to the actually required speed of a submerged arc trolley, welding is carried out when the roller tire is consistent with the speed of the submerged arc welding machine trolley, a submerged arc welder adjusts in time when the trolley deviates from a welding line during running, the welding pass is generally determined according to the plate thickness, the groove form, the assembly gap and the like, and the welding is completed until the rest height of the welding line is in the interval of 0-0.15 delta;

(7) performing air gouging and polishing on the outer circular seam of the tank;

(8) performing submerged-arc welding on the outer circular seam;

(9) pickling circular seams, paying off, checking and accepting the tank body, and opening holes;

(10) installing, welding, processing and checking the coil and accessories;

(11) welding upper end socket assembly and circular seam

(12) Assembling and welding skirt bases;

(13) polishing the whole tank body, pickling, derusting, painting and inspecting and accepting the tank.

Claims (4)

1. The utility model provides a stainless steel storage tank roll group is to horizontal construction equipment which constitutes and includes: horizontal group is to device structure, drive arrangement, stability monitoring device and prevention of seepage carbon structure, characterized by: horizontal group to the device include tug box base side pipe, tug box base side pipe with support tug box welded fastening, support tug box be connected with the support tug through the pivot, support tug top support have the trusteeship, the trusteeship on vulcanize rubber or ligature palm rope, the one end of trusteeship install steel pipe connection pad, steel pipe connection pad be connected with the speed reducer, the speed reducer is connected with the motor, the motor is fixed in the base top, base one side install electrical control box, it is that one side drive, opposite side are driven to link up the trusteeship, make the device according to clockwise operation through the speed reducer variable speed after the motor power transmission, support tug box on install infrared generator.

2. The stainless steel storage tank rolling group horizontal construction device according to claim 1, characterized in that: after the trusteeship on the subsection hoist and mount had a jar body, the welding has the fixed block that has the screw hole on the jar wall that jar mouth is close to jar internal portion, the screw in has the split bolt in the fixed block, makes jar body fold to the mouth under the fastening of split bolt and fixed block, the stagger of jar body adopts the welding to be close to the inclination fixed block of jar mouth in jar internal portion, the inclination fixed block on the screw in have the jackscrew, through inclination fixed block and jackscrew cooperation bolt fastening and release form the displacement.

3. The horizontal construction device for the rolling group of the stainless steel storage tank, according to claim 2, is characterized in that: the device is characterized in that the base square tube of the tug boat box, the supporting tug boat and the supporting tube form a horizontal assembly device structure, the steel tube connecting disc, the speed reducer, the motor and the base form a driving device, the infrared generator forms a stability monitoring device, and vulcanized rubber or binding coir ropes on the supporting tube form an anti-carburizing structure.

4. The horizontal construction device for the rolling group of the stainless steel storage tank, according to claim 3, is characterized in that: the trusteeship adopts a seamless steel pipe.

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