CN220246174U

CN220246174U - Hanging and tensioning device for blast furnace bustle pipe

Info

Publication number: CN220246174U
Application number: CN202321802784.0U
Authority: CN
Inventors: 韩怀明
Original assignee: Qinhuangdao Ring Science Co ltd
Current assignee: Qinhuangdao Ring Science Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2023-12-26
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a hanging and tensioning device for a blast furnace surrounding pipe, which comprises a fixed plate, wherein the lower side of the fixed plate is provided with a groove, the inside of the groove is provided with a tensioning fixing device, two opposite ends of the tensioning fixing device are movably connected with pipe sections, the upper side of the fixed plate is fixedly connected with a fixing ring, a rotating handle drives a bidirectional screw rod which is rotationally connected with the inside of the groove to rotate, a connecting plate is in threaded connection with the bidirectional screw rod, the connecting plate is limited by the groove, the clamping plate drives a fixing rod to move towards a direction which is close to or far away from each other under the action of the bidirectional screw rod through the connecting plate, the pipe sections are placed in the middle of two groups of clamping plates, the distance between the two groups of clamping plates is adjusted, the two groups of clamping plates are clamped with the two ends of the pipe sections in a direction, and the upper side of the fixing rod is attached to the inner wall surface of the pipe sections, so that unstable gravity center of the pipe sections in lifting can be effectively avoided, and a phenomenon of shaking occurs greatly, and the tightening firmness of the pipe sections in lifting and the lifting stability are greatly improved.

Description

Hanging and tensioning device for blast furnace bustle pipe

Technical Field

The utility model relates to the technical field of blast furnace surrounding pipes, in particular to a hanging and tensioning device for a blast furnace surrounding pipe.

Background

The blast furnace bustle pipe is a hot air pipeline compensation device and is used for solving the problem that the hot air pipeline compensation of the same height between a hot air main pipe and the bustle pipe cannot be realized by the existing compensation device and method, the blast furnace bustle pipe receives hot air sent from a hot air furnace and then sends the hot air into a blast furnace through an air supply device, and the mounting of the bustle pipe is also an important point for hoisting a steel structure of the blast furnace due to the large diameter, heavy weight and high height of the bustle pipe.

The utility model provides a blast furnace bustle pipe is tubular structure, generally comprises a plurality of sections of pipe sections, and each pipe section is rolled up by the steel sheet and forms, when assembling each pipe section, need transport each pipe section to assembling the scene, and can hoist and mount with the lifting machine to some large-scale inconvenient pipe sections that remove, current lifting machine is in the hoist and mount in-process pipeline section and appears the focus unstably easily, takes place to rock by a wide margin, hoist and mount taut stability is poor, can take place the pipeline section in the circumstances that drops of hoist and mount in-process seriously, has the potential safety hazard, proposes a blast furnace bustle pipe hanging and straining device now.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the hanging and tensioning device for the blast furnace surrounding pipe, which effectively avoids the phenomenon that the gravity center of the pipe section is unstable in the lifting process and shakes greatly, and greatly improves the firmness of tensioning and the lifting stability of the pipe section in the lifting process.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a blast furnace bustle pipe hangs and straining device, includes the fixed plate, the downside of fixed plate is seted up flutedly, the inside of recess is provided with taut fixing device, taut fixing device relative both ends swing joint has the pipeline section, the upside fixedly connected with solid fixed ring of fixed plate.

As a preferable technical scheme of the utility model, the tensioning and fixing device comprises a bidirectional screw rod which is rotationally connected in a groove, two ends of the bidirectional screw rod extend to the outer sides of the fixing plates, two ends of the bidirectional screw rod are connected with connecting plates in a threaded manner, clamping plates are fixedly connected to the lower sides of two groups of connecting plates, fixing rods are fixedly connected to the opposite sides of the two groups of clamping plates, and the two groups of fixing rods are movably connected with the pipe sections.

As a preferable technical scheme of the utility model, the upper side of the fixing rod is provided with the damping device, the damping device comprises a first arc plate fixedly connected with the upper side of the tensioning fixing device, limiting holes are symmetrically formed in the surface of the first arc plate, limiting rods are movably connected to the inner parts of the two groups of limiting holes, the upper ends of the two groups of limiting rods are fixedly connected with a second arc plate, the lower side of the second arc plate is fixedly connected with two groups of springs, the two groups of springs are sleeved with the two groups of limiting holes, and the lower ends of the two groups of springs are fixedly connected with the upper side of the first arc plate.

As a preferable technical scheme of the utility model, the upper side of the second arc-shaped plate is fixedly connected with a plurality of groups of anti-slip strips.

As a preferable technical scheme of the utility model, two ends of the bidirectional screw rod are fixedly connected with rotating handles.

As a preferable technical scheme of the utility model, the lower ends of the two groups of limiting rods are fixedly connected with baffle plates, and the diameter of each baffle plate is larger than that of each limiting hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the tensioning fixing device that sets up, when hoist and mount are taut to the pipeline section, according to pipeline section length, forward or reverse rotation fixed plate both ends change the handle, make the inside two-way lead screw that rotates the connection of drive recess of change handle rotate, connecting plate and two-way lead screw threaded connection, the connecting plate is spacing by the recess, make the grip block drive the dead lever through the connecting plate under two-way lead screw's effect and move to the direction that is close to each other or keep away from, treat after moving two sets of dead levers to suitable position, place the pipeline section in the centre of two sets of grip blocks, the distance of two sets of grip blocks is finely tuned again, make two sets of grip blocks and pipeline section's both ends to the centre of gravity is unstable in lifting by force, and take place the phenomenon of rocking by a wide margin, the taut fastness of pipeline section when hoist and the stability of hoist have been improved greatly.

2. Through the damping device who sets up, when lifting by crane, the pipeline section produces the surface of decurrent gravity effect second arc, makes the second arc drive the gag lever post at the inside downstream of spacing hole, makes the spring atress take place deformation, does benefit to the resettability of spring, can produce reverse effort, plays the absorbing effect to the pipeline section, reduces the range that the pipeline section rocked to can effectually further pipeline section's stability.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic diagram of the lower view structure of the present utility model;

FIG. 3 is a schematic top view of a shock absorbing device according to the present utility model;

FIG. 4 is a schematic diagram showing a lower view of the shock absorbing device of the present utility model;

fig. 5 is a schematic structural view of the connection of the bidirectional screw rod and the connecting plate.

Wherein: 100. a fixing plate; 200. a fixing ring; 300. a groove; 400. tensioning the fixing device; 401. a two-way screw rod; 402. a connecting plate; 403. a clamping plate; 404. a fixed rod; 500. a pipe section; 600. a damping device; 601. a first arcuate plate; 602. a limiting hole; 603. a limit rod; 604. a spring; 605. a second arcuate plate; 700. a baffle; 800. an anti-slip strip; 900. a rotating handle.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-5, the utility model provides a hanging and tensioning device for a blast furnace bustle pipe, which comprises a fixing plate 100, wherein a groove 300 is formed on the lower side of the fixing plate 100, a tensioning fixing device 400 is arranged in the groove 300, two opposite ends of the tensioning fixing device 400 are movably connected with pipe sections 500, and a fixing ring 200 is fixedly connected on the upper side of the fixing plate 100.

In other embodiments, the tensioning and fixing device 400 includes a bidirectional screw 401 rotatably connected inside the groove 300, two ends of the bidirectional screw 401 extend to the outer side of the fixing plate 100, two ends of the bidirectional screw 401 are connected with connecting plates 402 in a threaded manner, two lower sides of the two groups of connecting plates 402 are fixedly connected with clamping plates 403, two opposite sides of the two groups of clamping plates 403 are fixedly connected with fixing rods 404, the two groups of fixing rods 404 are movably connected with the pipe section 500, when the pipe section 500 is hoisted and tensioned, according to the length of the pipe section 500, the handles 900 at two ends of the fixing plates 100 are rotated forward or backward, the handles 900 drive the bidirectional screw 401 rotatably connected inside the groove 300 to rotate, the connecting plates 402 are connected with the bidirectional screw 401 in a threaded manner, the connecting plates 402 are limited by the groove 300, the clamping plates 403 drive the fixing rods 404 to move towards directions close to or away from each other under the action of the bidirectional screw 401 through the connecting plates 402, after the two groups of fixing rods 404 are moved to proper positions, the pipe section 500 is placed in the middle of the two groups of clamping plates 403, the distance between the two groups of clamping plates 403 is adjusted, the two groups of clamping plates 403 are enabled to be in a fine adjustment, the two groups of clamping plates 403 and two ends of the pipe section 500 are enabled to rotate, the two ends of the fixing plates 500 are enabled to rotate towards the upper sides of the fixing rods 500, and the inner wall of the pipe section 500 can be attached to the pipe section 500, and the pipe section 500 is fixed.

In other embodiments, the damping device 600 is disposed on the upper side of the fixing rod 404, the damping device 600 includes a first arc plate 601 fixedly connected to the upper side of the tensioning fixing device 400, limiting holes 602 are symmetrically formed in the surface of the first arc plate 601, limiting rods 603 are movably connected to the inner parts of the two groups of limiting holes 602, a second arc plate 605 is fixedly connected to the upper ends of the two groups of limiting rods 603, two groups of springs 604 are fixedly connected to the lower side of the second arc plate 605, the two groups of springs 604 are sleeved with the two groups of limiting holes 602, the lower ends of the two groups of springs 604 are fixedly connected to the upper side of the first arc plate 601, and when the pipe section 500 is lifted, downward gravity acts on the surface of the second arc plate 605 to enable the second arc plate 605 to drive the limiting rods 603 to move downward in the limiting holes 602, so that the springs 604 deform due to stress, the resettability of the springs 604 can generate reverse acting force, the damping effect of the pipe section 500 can be reduced, and the shaking amplitude of the pipe section 500 can be effectively avoided.

In other embodiments, the upper side of the second arc plate 605 is fixedly connected with multiple groups of anti-slip strips 800, which can increase the friction between the second arc plate 605 and the pipe section 500, and is beneficial to further improving the stability of the pipe section 500 in hoisting.

In other embodiments, the two ends of the bidirectional screw rod 401 are fixedly connected with the rotating handle 900, so that the bidirectional screw rod 401 is conveniently driven to rotate by rotating the rotating handle 900, the distance between the clamping plates 403 fixedly connected to the lower side of the connecting plate 402 is conveniently adjusted, and convenience in use is improved.

In other embodiments, the lower ends of the two groups of limiting rods 603 are fixedly connected with a baffle 700, the diameter of the baffle 700 is larger than that of the limiting hole 602, and the lower ends of the limiting rods 603 can be limited through the baffle 700, so that the limiting holes 602 avoid the separation of the limiting rods 603 and the limiting holes 602 when limiting the limiting rods 603, and the use stability is further improved.

When the pipe section 500 is lifted and tensioned, the lifting rope and the fixing ring 200 are fixed, the rotating handle 900 at the end of the fixing plate 100 is rotated forward or reversely according to the length of the pipe section 500, the rotating handle 900 drives the bidirectional screw rod 401 connected with the groove 300 in a rotating mode to rotate, the connecting plate 402 is in threaded connection with the bidirectional screw rod 401, the connecting plate 402 is limited by the groove 300, the clamping plate 403 drives the fixing rod 404 to move towards or away from each other under the action of the bidirectional screw rod 401 through the connecting plate 402, after the two groups of fixing rods 404 are moved to a proper position, the pipe section 500 is placed in the middle of the two groups of clamping plates 403, the distance between the two groups of clamping plates 403 is finely adjusted, the two groups of clamping plates 403 are clamped with the two ends of the pipe section 500, the second arc plate 605 above the fixing rod 404 is attached to the inner wall surface of the pipe section 500, during lifting, the second arc plate 605 is enabled to move downwards under the action of gravity, the second arc plate 605 drives the limiting rod 603 to move downwards in the limiting hole 602, the spring 604 is enabled to deform, the spring 604 is enabled to reset, the acting force generated, the pipe section 500 can be generated reversely moves to the position, the lifting force is enabled to be reduced, the amplitude of the pipe section 500 can be greatly stable, and the vibration of the pipe section 500 is prevented from shaking and stable, and the amplitude can be greatly stable, and the amplitude of the pipe section 500 can be lifted and stable, and the amplitude can be greatly stable, and the vibration can be greatly stable, and the amplitude can be 500, and the amplitude can be lifted.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blast furnace bustle pipe hangs and straining device, includes fixed plate (100), its characterized in that: the lower side of the fixing plate (100) is provided with a groove (300), a tensioning fixing device (400) is arranged in the groove (300), and two opposite ends of the tensioning fixing device (400) are movably connected with pipe sections (500);

the upper side of the fixed plate (100) is fixedly connected with a fixed ring (200).

2. The blast furnace bustle pipe hanging and tensioning device according to claim 1, characterized in that: the tensioning fixing device (400) comprises a bidirectional screw rod (401) which is connected with the inside of the groove (300) in a rotating mode, two ends of the bidirectional screw rod (401) extend to the outer side of the fixing plate (100), two ends of the bidirectional screw rod (401) are connected with connecting plates (402) in a threaded mode, clamping plates (403) are fixedly connected to the lower sides of the two groups of connecting plates (402), fixing rods (404) are fixedly connected to one sides, opposite to the clamping plates (403), of the two groups of fixing rods (404) and the pipe section (500) in a movable mode.

3. The blast furnace bustle pipe hanging and tensioning device according to claim 2, characterized in that: the upper side of dead lever (404) is provided with damping device (600), damping device (600) are including tensioning first arc (601) of fixing device (400) upside fixed connection, spacing hole (602) have been seted up to the surface symmetry of first arc (601), two sets of the inside all swing joint of spacing hole (602) has gag lever post (603), two sets of the upper end fixedly connected with second arc (605) of gag lever post (603), the downside fixedly connected with of second arc (605) two sets of springs (604), and two sets of springs (604) are established with two sets of spacing holes (602) mutually, and two sets of the lower extreme of springs (604) all is connected with the upside fixed of first arc (601).

4. A blast furnace bustle pipe hanging and tensioning device according to claim 3, characterized in that: the upper side of the second arc-shaped plate (605) is fixedly connected with a plurality of groups of anti-slip strips (800).

5. The blast furnace bustle pipe hanging and tensioning device according to claim 2, characterized in that: both ends of the two-way screw rod (401) are fixedly connected with rotating handles (900).

6. A blast furnace bustle pipe hanging and tensioning device according to claim 3, characterized in that: the lower ends of the two groups of limiting rods (603) are fixedly connected with a baffle plate (700), and the diameter of the baffle plate (700) is larger than that of the limiting hole (602).