CN210596128U - Mud gun mud beating mechanism replacement device - Google Patents

Mud gun mud beating mechanism replacement device Download PDF

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Publication number
CN210596128U
CN210596128U CN201921160132.5U CN201921160132U CN210596128U CN 210596128 U CN210596128 U CN 210596128U CN 201921160132 U CN201921160132 U CN 201921160132U CN 210596128 U CN210596128 U CN 210596128U
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mud
movable trolley
frame body
beating
gun
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CN201921160132.5U
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邓振月
陈文彬
张志宽
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Beijing Shougang Co Ltd
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Beijing Shougang Co Ltd
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Abstract

The utility model discloses a mud gun mechanism of beating mud changes device, include: the lifting mechanism comprises a first movable trolley, a second movable trolley, a lifting mechanism and a spring; the first movable trolley comprises a first frame body, a support is arranged on the upper surface of the top of the first frame body, and the support is used for bearing the mud gun mud beating mechanism; the second movable trolley comprises a second frame body; the lifting mechanism is arranged between the upper surface of the top of the second frame body and the lower surface of the top of the first frame body, so that the first movable trolley is lifted or lowered; the spring is connected with the upper surface of the bottom of the first frame body and the lower surface of the top of the second frame body, and when the lifting mechanism enables the first movable trolley to descend, the spring enables the second movable trolley to ascend. Through the cooperative control of the first movable trolley and the second movable trolley, the mud beating mechanism can be conveniently and quickly transported, the mud beating mechanism can be quickly and safely replaced, and the potential safety hazard of safety accidents caused by long-time high-strength fatigue operation is avoided.

Description

Mud gun mud beating mechanism replacement device
Technical Field
The utility model relates to a blast furnace smelting technical field especially relates to a mud gun mechanism changes device that beats.
Background
The production of iron works in iron and steel enterprises mainly adopts blast furnaces, and the mud gun is a key device for blast furnace production and has the function of rapidly and accurately blocking an iron tap hole after iron discharge so as to enable the blast furnace to rapidly enter the next cycle of operation. The mud gun mainly comprises a mud beating mechanism, a feeding mechanism, a rotating mechanism and a locking mechanism, wherein the mud beating mechanism is mainly used for beating the mud in the gun barrel into the taphole at a proper mud spitting speed. Usually the mud gun mechanism of beating is located one side of the lower floor platform taphole of blast furnace stokehole platform, because this long term is in the high temperature condition, and stifled hole needs the pressurize at 22Mpa at every turn, if can't carry out stifled hole when beating the great trouble of mud mechanism appearance, can lead to the blast furnace to be forced to stop the wind, so the mud gun mechanism of beating needs to be changed according to the cycle, mud gun mechanism of beating heavily reaches 10 tons, be located the lower floor platform of wind gap platform, because the operating space of lower floor platform is very limited, the overhead traveling crane can not directly carry out the handling, make the change of beating the mud mechanism extremely inconvenient: the old mud gun mud beating mechanism is firstly detached before replacement operation, a plurality of chain block lifting points are welded 1 day in advance, and the chain block device is used for conveying the mud gun mud beating mechanism from the working position of the lower-layer platform to the outer side of the lower-layer platform and the position where a crown block can be lifted. When the reloading is carried out, the operation is carried out according to the reverse flow.
At present, a great amount of personnel are required to be invested to complete the replacement work when a mud gun mud beating mechanism is replaced, the labor intensity is very high, the operation efficiency is very low, if the mud gun mud beating mechanism is replaced in online production, the mud gun mud beating mechanism is forced to fall to the field due to too long operation time, and the adverse effect is brought to the normal production scheduling of the blast furnace. Therefore, a device capable of reducing personnel investment, reducing labor intensity and safely and quickly replacing the mud beating mechanism is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mud gun mud beating mechanism changes device to solve or the part solves how can reduce operation intensity, safe, quick change mud gun mud beating mechanism's technical problem.
In order to solve the technical problem, the utility model provides a mud gun mud beating mechanism replacing device, which comprises a first movable trolley, a second movable trolley, a lifting mechanism and a spring;
the first movable trolley can move back and forth along a first preset direction, and the second movable trolley can move back and forth along a second preset direction;
the first movable trolley comprises a first frame body, a support is arranged on the upper surface of the top of the first frame body, and the support is used for bearing the mud gun mud beating mechanism;
the second movable trolley comprises a second frame body;
the lifting mechanism is arranged between the upper surface of the top of the second frame body and the lower surface of the top of the first frame body, so that the first movable trolley is lifted or lowered;
the spring is connected with the upper surface of the bottom of the first frame body and the lower surface of the top of the second frame body, and when the lifting mechanism enables the first movable trolley to descend, the spring enables the second movable trolley to ascend.
Optionally, the bracket is a groove shape with two side areas higher than the middle area.
Optionally, the first frame body is of a hollow structure, and the second frame body is arranged inside the first frame body and is connected with the first frame body through a spring.
Optionally, a first directional caster is arranged at the bottom of the first frame body, so that the first movable trolley moves back and forth along a first preset direction;
and a second directional trundle is arranged at the bottom of the second frame body so as to enable the second movable trolley to move back and forth along a second preset direction.
Further, a first channel steel is welded at the bottom of the first frame body, and a first directional caster is mounted to the first channel steel;
a second channel steel is welded at the bottom of the second frame body; a second directional caster is mounted to the second channel.
According to the technical scheme, the replacing device of the mud gun mud beating mechanism further comprises an iron plate, wherein the iron plate is laid on the ground, so that the first movable trolley moves back and forth in the iron plate along a first preset direction, or the second movable trolley moves back and forth in the iron plate along a second preset direction.
According to the technical scheme, the lifting mechanism is more than two jacks.
Optionally, the first preset direction and the second preset direction are 90 °.
Optionally, the mud gun mud beating mechanism replacing device further comprises a winch connected with the first movable trolley and the second movable trolley, and the winch drives the first movable trolley to move back and forth along a first preset direction and drives the second movable trolley to move back and forth along a second preset direction.
Through the utility model discloses an one or more technical scheme, the utility model has following beneficial effect or advantage:
the utility model provides a mud gun mechanism of beating mud changes device, include the first movable trolley of reciprocating motion in the first direction of predetermineeing and the second movable trolley of reciprocating motion in the second direction of predetermineeing, through one of them contact ground in hoisting mechanism and the first movable trolley of spring control and the second movable trolley, the adjustment is beaten the direction of motion of mud mechanism change device to convenient, swift transport beating mud mechanism, realize beating mud mechanism's quick and safe change. Compared with the traditional replacement mode of manually lifting the mud beating mechanism by adopting a chain block, the novel replacement device does not need to weld lifting points on the mud beating mechanism any more, so that fewer personnel are required to be invested in the replacement process, and the operation is simpler; the hidden danger of safety accidents caused by long-time high-strength fatigue operation in the replacement process is avoided.
Drawings
Fig. 1 is a structural diagram of a mud gun mud beating mechanism replacing device of a second movable trolley contacting the ground according to the embodiment of the invention;
fig. 2 is a left side view of the mud gun mud beating mechanism replacing device of the second movable trolley contacting the ground according to the embodiment of the present invention;
fig. 3 is a structural diagram of a mud gun mud beating mechanism replacing device of which a first movable trolley contacts the ground according to the embodiment of the utility model;
fig. 4 is a left side view of the mud gun mud beating mechanism replacing device of the first movable trolley contacting with the ground according to the embodiment of the present invention.
Description of reference numerals:
1. a first frame body; 2. a second frame body; 3. a hoisting mechanism; 4. a spring; 5. a support; 6. a mud beating mechanism; 7. a first channel steel; 8. a first directional caster; 9. a second channel steel; 10. a second directional caster; 11. an iron plate.
Detailed Description
In order to make the technical personnel in the technical field of the present invention understand the present invention more clearly, the following description is made in detail for the technical solution of the present invention through the specific embodiments with reference to the attached drawings.
The mud beating mechanism is usually positioned on a lower layer platform of a blast furnace front tuyere platform and is arranged on the mud beating rotary mechanism. Because the lower floor's platform blocks, can't directly carry out the overhead traveling crane handling when beating the mud mechanism and change, need earlier beat mud mechanism transfer out lower floor's platform, transport to the position that the overhead traveling crane can the handling. At present, when a mud gun mud beating mechanism of an iron-making blast furnace front of a certain factory is replaced, at least 6 persons are needed, required tools are 2 and 5-ton chain blocks, 3 and 2-ton chain blocks, 1 and 10-ton chain blocks, a plurality of internal hexagonal wrenches and a plurality of wrenches, a plurality of steel wire ropes and an electric welding machine are respectively sleeved. Before the replacement operation, the mud gun mud beating mechanism needs to be dismantled, a plurality of lifting points are welded 1 day in advance, and the mud gun mud beating mechanism is conveyed to the position, capable of being lifted by a crown block, on the outer side of the platform through a chain block from the working position. The replacement process comprises the steps that 1, 10 tons and 2, 5 tons of chain blocks are used for pre-tightening the mud gun mud striking mechanism when the mud gun mud striking mechanism rotates to a designated position, a pipe and an trunnion bolt on the machine are removed, then the mud gun mud striking mechanism is conveyed to the position where the overhead travelling crane is lifted by a plurality of times of chain blocks, and the process is opposite when the mud gun mud striking mechanism is re-installed; on the other hand, because the outlet position of the lower platform of the tuyere platform, the orientation of the mud beating mechanism, other equipment in the lower platform and the like are concerned, the steering operation is required to be carried out in the process of transporting the mud beating mechanism, and the operation is very troublesome. Therefore, the time of one day is usually needed for replacing the mud gun beating mechanism, the time and the labor are consumed, the operation efficiency is low, and if the mud gun beating mechanism is replaced in an online production mode, the mud gun beating mechanism is forced to fall to the field due to too long operation time, and the normal production of the blast furnace is greatly influenced.
Based on the above problems, referring to fig. 1 and 2, an embodiment of the present invention provides a mud gun mud mechanism replacing device, which includes a first movable trolley, a second movable trolley, a lifting mechanism 3 and a spring 4; the first movable trolley can move back and forth along a first preset direction, and the second movable trolley can move back and forth along a second preset direction; the first movable trolley comprises a first frame body 1, a support 5 is arranged on the upper surface of the top of the first frame body 1, and the support 5 is used for bearing a mud gun mud beating mechanism 6; the second movable trolley comprises a second frame body 2; the hoisting mechanism 3 is arranged between the upper surface of the top of the second frame body 2 and the lower surface of the top of the first frame body 1, so that the first movable trolley is lifted or lowered; the spring 4 connects the upper surface of the bottom of the first frame body 1 and the lower surface of the top of the second frame body 2, and when the lifting mechanism 3 enables the first movable trolley to descend, the spring 4 enables the second movable trolley to ascend.
As an alternative embodiment, the first frame body 1 may be a hollow structure, and the second frame body 2 is disposed inside the first frame body 1 and connected to the first frame body 1 through a spring 3.
Specifically, the mud gun mud beating mechanism replacing device in the embodiment is a split type movable trolley device for carrying a mud beating mechanism 6 air inlet and outlet platform, and comprises two sets of movable trolleys. The two sets of movable trolleys can be respectively contacted with the ground under the action of the lifting mechanism 3 and the spring 4, and the carrying and mud beating mechanism 6 moves towards different preset directions. The first direction of predetermineeing and the second direction of predetermineeing can be adjusted according to the mechanism change position of beating mud of reality to convenient realization turns to the transportation. When the mud beating mechanism 6 is replaced, the specific movement directions of the first movable trolley and the second movable trolley are determined according to the field conditions, and then the first support body, the second support body, the spring 4, the lifting mechanism 3 and the support 5 are assembled and placed at the lower part of the mud beating mechanism 6 to be replaced. At the moment, the connection between the mud beating mechanism 6 and the mud beating rotary mechanism is removed, the mud beating mechanism 6 is pushed into the support 5 on the first movable trolley, then the first movable trolley and the second movable trolley are driven to move respectively according to a first preset direction and a second preset direction, and the mud beating mechanism 6 is conveyed to a crown block lifting point.
For illustrative purposes, the following description will be made of an embodiment of the mud gun/striking mechanism changing device in which the first predetermined direction is a longitudinal direction and the second predetermined direction is a transverse direction which is 90 ° to the longitudinal direction.
When the old mud beating mechanism 6 is replaced, firstly, the connecting bolt of the mud beating mechanism 6 and the mud beating rotary mechanism is removed. Then, as shown in fig. 1 and fig. 2, the lifting mechanism 3 lifts the first frame body 1, at this time, the first movable trolley leaves the ground and carries the mud-beating mechanism 6 pushed out from the mud-beating slewing mechanism, the second frame body 2 of the second movable trolley is in contact with the ground, and at this time, the spring 4 is in a compressed state. And then the second movable trolley is driven to drive the mud beating mechanism 6 to move along the transverse direction. After the transverse movement reaches the relevant position, the mud beating mechanism 6 can be transported to a crane hoisting point by the longitudinal movement. At this time, as shown in fig. 3 and 4, the hoisting mechanism 3 lowers the first frame body 1 and brings the first movable trolley into contact with the ground, and lifts the second frame body 2, that is, the second movable trolley, off the ground under the restoring action of the spring 4. And then driving the first movable trolley to move longitudinally until the mud beating mechanism 6 is conveyed to a hoisting point of the crown block, and hoisting the replaced mud beating mechanism 6 by the crown block.
When the new mud gun mud beating mechanism is replaced, the new mud gun mud beating mechanism 6 is placed into the support 5 on the first movable trolley by the crown block. The principle of the mode of carrying in is the same with when carrying out, through installing the fixed pulley in the lower floor platform of wind gap platform, can realize the reverse operation of mud gun mud beating mechanism more changing device, carries out the bolt operation of wearing of mud gun beating mechanism 6 and mud beating rotation mechanism afterwards, removes mud gun mud beating mechanism 6 and changes the device, accomplishes the change work of a mud gun mud beating mechanism 6.
Optionally, the support 5 at the top of the first movable trolley can be a groove type with two side areas higher than the middle area, such as a V-shaped support, the mud gun mud beating mechanism 6 is loaded by the V-shaped support, the stability of the mud beating mechanism 6 in the transportation process can be improved, and the mud beating mechanism 6 is prevented from being separated from the first movable trolley.
Optionally, a first directional caster 8 is arranged at the bottom of the first frame body 1, so that the first movable trolley moves back and forth along a first preset direction; the bottom of the second frame body 2 is provided with a second directional caster 10 so that the second movable trolley can move back and forth along a second preset direction.
Directional truckle is different from universal caster, has injectd the activity dolly and can only to the operation of predetermined direction, and stability in the motion process is better, has avoided the uncontrollable change to appear in the direction of motion of operation in-process activity dolly, has eliminated the unstable factor and the potential safety hazard that probably produce.
Optionally, a first channel steel 7 is welded at the bottom of the first frame body 1, and a first directional caster 8 is mounted to the first channel steel 7; a second channel steel 9 is welded at the bottom of the second frame body 2; a second directional castor 10 is mounted to the second channel 9.
Specifically, the directional casters are welded to the channel steel at preset intervals, as shown in fig. 1 to 4, two first channel steels 7 with directional casters are longitudinally welded to the first frame 1 at preset widths, so that the first movable trolley runs longitudinally; two second channel steels 9 with directional casters are transversely welded on the second frame body 2 according to a preset width so that the second movable trolley runs transversely. The size of first support body 1 and second support body 2 is given first place to the stability of focus when satisfying mud gun mechanism 6 and feeding.
Optionally, as shown in fig. 1 to 4, the mud gun mud beating mechanism replacing device further includes an iron plate 11, and the iron plate 11 is laid on the ground, so that the first movable trolley moves back and forth in the iron plate 11 along a first preset direction, or the second movable trolley moves back and forth in the iron plate 11 along a second preset direction.
At the lower platform of wind gap platform department, because the influence of operational environment, ground unevenness usually or there are some foreign matters, lead to the activity dolly not too steady in the operation process, produce certain potential safety hazard. The addition of the iron plate 11 can solve this problem. In the embodiment, as the movable trolleys run in the transverse direction and the longitudinal direction, a T-shaped iron plate is paved at the lower part of the mud gun mud beating mechanism 6, so that the first movable trolley and the second movable trolley feed longitudinally and transversely on the T-shaped iron plate, and the size of the T-shaped iron plate meets the requirement that the operation position of each mud gun mud beating mechanism 6 is preferably reached to the overhead travelling crane hoisting position; then the driving device respectively pulls the first movable trolley and the second movable trolley to drive the mud beating mechanism 6 to carry out the mud beating along the T-shaped iron plate, the carrying-in method is the same, and the reverse running can be realized only by installing a fixed pulley at the lower-layer platform. The T-shaped iron plates are introduced according to the movement tracks of the first movable trolley and the second movable trolley, the influence of uneven ground and other foreign matters is eliminated, the stable operation of the replacing device of the mud beating mechanism 6 is ensured, and the corresponding potential safety hazard is eliminated.
Optionally, the hoisting mechanism 3 can adopt more than two jacks, and the first frame body 1 can be conveniently lifted by beating the jacks.
As an optional implementation manner, in order to conveniently and rapidly drive the mud gun carrying mud gun replacing device to move in the preset direction, the mud gun carrying mud gun replacing device further comprises a winch connected with the first movable trolley 1 and the second movable trolley 2, the winch drives the first movable trolley 1 to move back and forth along the first preset direction, and the second movable trolley 2 to move back and forth along the second preset direction.
The application of the mud gun mud beating mechanism replacing device in the embodiment completely meets the standardized operation standard of replacing the mud gun mud beating mechanism in the front of the blast furnace. Compared with a mode of replacing by using a chain block, the movable trolley in the embodiment is adopted for replacement, so that the operation process is obviously more standard, convenient, rapid and safe; in addition, the replacement process has less personnel investment, less carrying tools and simple operation; the problems that personnel are nervous when replacing the mud gun mud beating mechanism, and safety accidents are easy to happen during long-time high-strength fatigue operation are solved; adopt the device to change mud gun mechanism of beating mud need not weld the hoisting point again, only need 4 people 3 hours operations, suitable online salvage quick replacement mud gun mechanism of beating mud, really satisfied the blast furnace and changed mud gun mechanism of beating mud demand, the device can apply to the change of various blast furnace stokehold mud gun mechanism of beating mud simultaneously, has good universality.
Through the utility model discloses an one or more technical scheme, the utility model has following beneficial effect or advantage:
the utility model provides a mud gun mechanism of beating mud changes device, include the first movable trolley of reciprocating motion in the first direction of predetermineeing and the second movable trolley of reciprocating motion in the second direction of predetermineeing, through one of them contact ground in hoisting mechanism and the first movable trolley of spring control and the second movable trolley, the adjustment is beaten the direction of motion of mud mechanism change device to convenient, swift transport beating mud mechanism, realize beating mud mechanism's quick and safe change. Compared with the traditional replacement mode of manually lifting the mud beating mechanism by adopting a chain block, the novel replacement device does not need to weld lifting points on the mud beating mechanism any more, so that fewer personnel are required to be invested in the replacement process, and the operation is simpler; the hidden danger of safety accidents caused by long-time high-strength fatigue operation in the replacement process is avoided.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a mud gun mechanism changes device which characterized in that includes: the lifting mechanism comprises a first movable trolley, a second movable trolley, a lifting mechanism and a spring;
the first movable trolley can move back and forth along a first preset direction, and the second movable trolley can move back and forth along a second preset direction;
the first movable trolley comprises a first frame body, a support is arranged on the upper surface of the top of the first frame body, and the support is used for bearing a mud gun mud beating mechanism;
the second movable trolley comprises a second frame body;
the lifting mechanism is arranged between the upper surface of the top of the second frame body and the lower surface of the top of the first frame body, so that the first movable trolley is lifted or lowered;
the spring is connected with the upper surface of the bottom of the first frame body and the lower surface of the top of the second frame body, and when the lifting mechanism enables the first movable trolley to descend, the spring enables the second movable trolley to ascend.
2. The mud gun mud beating mechanism replacing device as claimed in claim 1, wherein said bracket is of a groove type with two side regions higher than a middle region.
3. The device for replacing a mud beating mechanism of a mud gun as claimed in claim 1, wherein said first frame body is a hollow structure, and said second frame body is disposed inside said first frame body and connected to said first frame body by said spring.
4. The mud gun mud beating mechanism replacing device as claimed in claim 1, wherein the bottom of the first frame body is provided with a first directional caster wheel to enable the first movable trolley to move back and forth along a first preset direction;
and a second directional trundle is arranged at the bottom of the second frame body so as to enable the second movable trolley to move back and forth along a second preset direction.
5. The mud gun mud beating mechanism replacing device as claimed in claim 4, wherein a first channel steel is welded to the bottom of the first frame body, and the first directional caster is mounted to the first channel steel;
a second channel steel is welded at the bottom of the second frame body; the second directional caster is mounted to the second channel.
6. The apparatus for changing a mud beating mechanism of a mud gun according to claim 4 or 5, further comprising an iron plate laid on the ground so that said first movable trolley reciprocates in said iron plate in a first predetermined direction or said second movable trolley reciprocates in said iron plate in a second predetermined direction.
7. The mud gun mud beating mechanism replacing device as claimed in claim 1, wherein said lifting mechanism is more than two jacks.
8. The mud gun mud striking mechanism replacement device as claimed in claim 1, wherein said first predetermined direction is 90 ° from said second predetermined direction.
9. The mud gun mud beating mechanism replacing device as claimed in claim 1, further comprising a hoist connected to the first movable trolley and the second movable trolley, wherein the hoist drives the first movable trolley to reciprocate in a first preset direction and drives the second movable trolley to reciprocate in a second preset direction.
CN201921160132.5U 2019-07-23 2019-07-23 Mud gun mud beating mechanism replacement device Active CN210596128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921160132.5U CN210596128U (en) 2019-07-23 2019-07-23 Mud gun mud beating mechanism replacement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921160132.5U CN210596128U (en) 2019-07-23 2019-07-23 Mud gun mud beating mechanism replacement device

Publications (1)

Publication Number Publication Date
CN210596128U true CN210596128U (en) 2020-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921160132.5U Active CN210596128U (en) 2019-07-23 2019-07-23 Mud gun mud beating mechanism replacement device

Country Status (1)

Country Link
CN (1) CN210596128U (en)

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