阅读说明：本技术 转炉改造用同步组合式吊具 (Synchronous combined lifting appliance for converter transformation ) 是由 张世宇 张国立 吕成刚 于 2019-10-23 设计创作，主要内容包括：本发明涉及机械设备安装施工技术领域,尤其涉及一种转炉改造用同步组合式吊具,其特征在于,包括工字梁轨道、小车、横向连接支架、卷扬拉环和电动葫芦吊,两条工字梁轨道平行设置,并分别连接于屋面梁底部,每条工字梁轨道上分别设置有小车,两个小车通过横向连接支架相连接；小车包括纵联板、螺栓和两个轮架,两个轮架对应设于工字梁轨道的两侧并通过螺栓与纵联板相连接,横向连接支架居中装设有卷扬拉环。与现有技术相比,本发明的有益效果如下：结构简单,具有足够的强度,可根据待吊装设备的重量配置合适的电动葫芦吊,多个电动葫芦吊能保持同步移动,避免吊具与汽包脱离造成安全事故,方便与卷扬等设备组合使用,完成工程任务。(The invention relates to the technical field of mechanical equipment installation and construction, in particular to a synchronous combined lifting appliance for transforming converters, which is characterized by comprising I-beam rails, a trolley, a transverse connecting bracket, a hoisting pull ring and an electric hoist crane, wherein the two I-beam rails are arranged in parallel and are respectively connected to the bottom of a roof beam, the trolley is respectively arranged on each I-beam rail and is connected with the two trolleys through the transverse connecting bracket, each trolley comprises a longitudinal connecting plate, a bolt and two wheel carriers, the two wheel carriers are correspondingly arranged on two sides of the I-beam rails and are connected with the longitudinal connecting plates through the bolts, and the hoisting pull ring is arranged in the middle of the transverse connecting bracket.)

1. The synchronous combined lifting appliance for converter transformation is characterized by comprising I-beam rails, trolleys, transverse connecting supports, a hoisting pull ring and an electric hoist crane, wherein the two I-beam rails are arranged in parallel and are respectively connected to the bottoms of roof beams, each I-beam rail is provided with a trolley, and the two trolleys are connected through the transverse connecting supports; the trolley comprises a longitudinal connecting plate, a bolt and two wheel carriers, wherein the two wheel carriers are correspondingly arranged on two sides of the I-beam track and connected with the longitudinal connecting plate through the bolt; the inner side of the wheel frame is connected with a roller wheel through a wheel shaft, and the roller wheel is in rolling connection along an I-beam track; and a hoisting pull ring is arranged in the middle of the transverse connecting bracket.

2. The synchronous combined lifting appliance for transforming the converter according to claim 1, wherein each i-beam track is provided with more than 2 trolleys, two trolleys at corresponding positions on the two i-beam tracks are connected through a transverse connecting bracket, two adjacent trolleys on i-beam tracks are connected through a longitudinal connecting bracket, and more than 4 trolleys form a frame structure through the transverse connecting bracket and the longitudinal connecting bracket.

3. The synchronous combined lifting appliance for converter transformation according to claim 1 or 2, wherein the transverse connecting bracket and/or the longitudinal connecting bracket are cut from strip steel, and both ends of the transverse connecting bracket and/or the longitudinal connecting bracket are connected with the adjacent longitudinal connecting plates through bolts or welding.

4. The synchronous combined lifting appliance for transforming the converter according to claim 3, wherein the number of the wheel frames on the trolley is 2, 4 or 6, and the wheel frames are provided with 1-3 rollers.

5. The synchronous combined lifting appliance for transforming the converter according to claim 1, wherein the size of the hoisting pull ring is matched with the installation size of a fixed pulley block, and the fixed pulley block is connected with a hoisting machine through a steel wire rope.

6. The synchronous combined lifting appliance for converter transformation according to claim 1 or 2, wherein a distance sleeve is arranged between the wheel carrier and the longitudinal connecting plate.

7. The synchronous modular spreader for converter modification according to claim 6, wherein the distance sleeve and the stringer plate are -body type structures.

8. The synchronous combined lifting appliance for transforming the converter according to claim 1 or 2, wherein an adapter plate is arranged between the transverse connecting bracket and the longitudinal connecting plate, a notch is arranged at the end of the adapter plate and is spliced and welded with the longitudinal connecting plate, and the other end of the adapter plate is connected with the transverse connecting bracket through bolts or welding.

9. The synchronous modular spreader for converter modification according to claim 1 or 2, wherein reinforcing ribs are provided along the length direction of the transverse connecting bracket, and the reinforcing ribs are provided on the -side or both side surfaces of the transverse connecting bracket.

Technical Field

The invention relates to the technical field of mechanical equipment installation and construction, in particular to a synchronous combined lifting appliance for converter transformation.

Background

The main content of the environmental protection reconstruction project of the 6# converter in a certain steel plant is to dismantle and install all equipment and pipelines contained in the original vaporization cooling system and the original flue gas purification system of the 6# converter. The construction range comprises: 1) dismounting and mounting the vaporization cooling system: dismantling and installing a waste heat boiler, removing a steam drum, installing, removing a deaerator, installing, dismantling a low-pressure circulating pump and a high-pressure circulating pump, installing, dismantling a boiler feed pump, installing, dismantling a system pipeline and installing; 2) dismantling and installing a flue gas purification system: and (4) dismantling and installing a secondary venturi tube, dismantling and installing a spray tower, dismantling and installing a cyclone dehydrator, dismantling and installing a system pipeline, and dismantling and installing the system pipeline.

The engineering construction is mainly characterized in that: the waste heat boiler, the steam pocket and the deaerator of the vaporization cooling system belong to the installation of special equipment, and especially the installation of the steam pocket belongs to the installation of a project with high risk; the spray tower, the secondary venturi tube, the cyclone dehydrator and other equipment in the flue gas purification system belong to large-scale equipment installation; hoisting in the installation process is a difficult point and a key point of the project.

Because the construction site is narrow, the construction site must be dismantled and installed firstly; after the removal is completed, the installation is carried out, and the deaerator of the vaporization cooling system is installed firstly, and then the equipment and the pipeline of the flue gas purification system are installed; the steam drum is installed firstly, and then the flue is installed.

According to the engineering construction method, the No. 6 converter is positioned between 201 columns and 203 columns in a steel plant, the distance from the No. 5 converter to the No. 5 converter is only 6.5m, and main equipment needing to be dismantled and installed is as follows: a steam drum, a deaerator, a cyclone dehydrator, a spray tower, a secondary venturi tube, a second hydraulic station, a flue tail section, a middle III section, a middle II section, a middle I section, a fixed section, a movable section and a smoke hood; the pipelines to be dismantled and installed are as follows: the vaporization cooling system pipeline, the flue gas purification system pipeline and the equipment protection steel structure are positioned between 2/E2 span and 2/E2 span in a plant, and no hoisting equipment above the vaporization cooling system pipeline and the flue gas purification system pipeline can be dismantled and installed only by means of temporary measures such as winding, pulleys and the like.

The equipment weight of this time demolising the installation is about 20t, only the great 60t of being about of weight of steam pocket, oxygen-eliminating device and primary oxygen jar weight are about 30t, consider to demolish can labour saving and time saving during the installation, prepare to install 4 electric block hoists that the lifting capacity is 10t in advance between 201 post-203 posts of factory building in order to conveniently install the steam pocket, this hoist need can guarantee 12 meters long steam pocket hoist and mount and the synchronization and the safety of removal, the hoist product of selling on the market can not satisfy the requirement.

Disclosure of Invention

The invention aims to provide synchronous combined lifting appliances for converter transformation, which overcome the defects of the prior art, are suitable for the field environment conditions of converter transformation, have enough strength, can be configured with proper electric hoist cranes according to the weight of equipment to be lifted, can keep synchronous movement when lifting and moving a 12-meter-long steam drum, avoid safety accidents caused by separation of the lifting appliances from the steam drum, are convenient to be combined with equipment such as a winch and the like, and complete engineering tasks.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the synchronous combined lifting appliance for converter transformation is characterized by comprising I-beam rails, trolleys, transverse connecting supports, a hoisting pull ring and an electric hoist crane, wherein the two I-beam rails are arranged in parallel and are respectively connected to the bottoms of roof beams, each I-beam rail is provided with a trolley, and the two trolleys are connected through the transverse connecting supports; the trolley comprises a longitudinal connecting plate, a bolt and two wheel carriers, wherein the two wheel carriers are correspondingly arranged on two sides of the I-beam track and connected with the longitudinal connecting plate through the bolt; the inner side of the wheel frame is connected with a roller wheel through a wheel shaft, and the roller wheel is in rolling connection along an I-beam track; and a hoisting pull ring is arranged in the middle of the transverse connecting bracket.

And , arranging more than 2 trolleys on each I-beam rail, connecting the trolleys at two corresponding positions on the two I-beam rails through transverse connecting supports, connecting the two adjacent trolleys on the I-beam rails through longitudinal connecting supports, and forming a frame structure by more than 4 trolleys through the transverse connecting supports and the longitudinal connecting supports.

And , cutting the transverse connecting bracket and/or the longitudinal connecting bracket into strip steel, and connecting the two ends of the transverse connecting bracket and/or the longitudinal connecting bracket with the adjacent longitudinal connecting plates through bolts or welding.

And , the number of the wheel frames on the trolley is 2, 4 or 6, and the wheel frames are provided with 1-3 rollers.

And , matching the size of the hoisting pull ring with the installation size of a fixed pulley block, and connecting the fixed pulley block with the hoisting machine through a steel wire rope.

And , a distance sleeve is arranged between the wheel carrier and the longitudinal connecting plate.

, the distance sleeve and the longitudinal connecting plate are body type structure.

, an adapter plate is arranged between the transverse connecting support and the longitudinal connecting plate, a notch is arranged at the end of the adapter plate and is spliced and assembled with the longitudinal connecting plate, and the other end of the adapter plate is connected with the transverse connecting support through bolts or welding.

, reinforcing ribs are arranged along the length direction of the transverse connecting bracket, and the reinforcing ribs are arranged on the side or two side surfaces of the transverse connecting bracket.

Compared with the prior art, the invention has the following beneficial effects: 1) simple structure is applicable to the on-the-spot environmental condition of converter transformation, has sufficient intensity, can hang according to the electric block that the weight configuration of treating hoisting equipment is suitable, and when the 12 meters long steam pocket was removed in the hoist and mount, four electric block hung and can keep synchronous motion, avoid hoist and steam pocket to break away from and cause the incident, conveniently use with equipment such as hoist combination, accomplish the engineering task. 2) The length of the combined lifting appliance can be adjusted according to the length size of equipment to be lifted, the combined lifting appliance is high in matching degree with the equipment and good in synchronism, and is suitable for installation operation of various large-scale equipment.

Drawings

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

Fig. 2 is a top view of fig. 1 (with the i-beam rail hidden).

Fig. 3 is a sectional view taken along line a-a of fig. 1.

FIG. 4 is a cross-sectional view of a transverse attachment bracket of the present invention.

In the figure: 1-I-beam rail, 2-trolley, 21-longitudinal connecting plate, 22-bolt, 23-wheel carrier, 231-wheel shaft, 232-roller, 24-distance sleeve, 3-transverse connecting bracket, 4-longitudinal connecting bracket, 5-hoisting pull ring, 6-electric hoist, 7-steel wire rope, 8-fixed pulley block, 9-hoisting machine, 10-adapter plate, 11-notch, 12-reinforcing rib and 13-piece to be hoisted.

Detailed Description

The following describes an embodiment of the present invention in reference to the following examples :

in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" shall be construed , for example, as being either fixedly connected or detachably connected, or physically connected, directly connected, or indirectly connected through an intermediary.

Referring to fig. 1-3, the embodiment of the synchronous combined hanger for converter transformation according to the present invention is schematically shown in structural diagrams, and the synchronous combined hanger comprises i-beam rails 1, trolleys 2, transverse connecting supports 3, longitudinal connecting supports 4, hoisting pull rings 5 and an electric hoist 6, wherein the two i-beam rails 1 are arranged in parallel and are respectively connected to the bottom of a roof beam, each i-beam rail is provided with two trolleys 2, the trolleys at two corresponding positions on the two i-beam rails are connected through the transverse connecting supports 3 and are connected with two adjacent trolleys on i-beam rails 1 through the longitudinal connecting supports 4, the four trolleys 2 form a frame structure through the transverse connecting supports 3 and the longitudinal connecting supports 4, the hoisting pull rings 5 are arranged in the middle of the transverse connecting supports 3, the size of the hoisting pull rings 5 is matched with the installation size of the fixed pulley block 8, the fixed pulley block 8 is connected with the hoisting machine 9 through the steel wire ropes 7, and when the hoisting machine 9 is operated, the whole hanger is dragged to.

trolleys 2 comprise longitudinal connecting plates 21, bolts 22 and wheel carriers 23, wherein the two wheel carriers 23 are correspondingly arranged on two sides of the I-beam track 1 and are connected with the longitudinal connecting plates 21 through the bolts 22, the longitudinal connecting plates 21 are provided with holes and are provided with electric hoist hangers 6, the inner sides of the wheel carriers 23 are connected with rollers 232 through wheel shafts 231, the rollers 232 are connected along the I-beam track 1 in a rolling manner, distance sleeves 24 are arranged between the wheel carriers 23 and the longitudinal connecting plates 21, ensure the installation sizes of the wheel carriers 23 and the longitudinal connecting plates 21, and in addition, can play a role in reinforcement, in the embodiment, the distance sleeves 24 and the longitudinal connecting plates 21 are of type structures, so that the strength of the wheel carriers 23 is greatly improved.