CN213857367U - Long-life billet hydraulic shear - Google Patents
Long-life billet hydraulic shear Download PDFInfo
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- CN213857367U CN213857367U CN202022428696.1U CN202022428696U CN213857367U CN 213857367 U CN213857367 U CN 213857367U CN 202022428696 U CN202022428696 U CN 202022428696U CN 213857367 U CN213857367 U CN 213857367U
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Abstract
The utility model discloses a long-life steel billet hydraulic pressure is cut belongs to steel billet shears technical field. The hydraulic shear comprises a hydraulic shear main body; the hydraulic cylinder is arranged on the hydraulic shear main body, and a sealing piece is arranged on the hydraulic cylinder; still include the gas cooling mechanism, it includes: the semicircular frame is semicircular and surrounds the sealing element, and the semicircular frame is fixedly connected with the hydraulic shear main body; a plurality of air nozzles are formed on the inner side of the semicircular frame, and spray heads of the air nozzles are arranged in the direction pointing to the circle center of the semicircular frame; the gas pipe is connected with the semicircular frame and is communicated with each gas nozzle; and the gas source provides compressed gas for the gas conveying pipe. The utility model discloses set up gas cooling mechanism, lead to compressed air through the air supply to every air cock, and then blow the cooling to the sealing member many places to guaranteed the steel billet hydraulic pressure and cut the during operation, sealing member department can not receive too high temperature and influence, and then has prolonged the life-span of sealing member, make the effective life extension that the steel billet hydraulic pressure was cut, have simple structure, reasonable in design, easily make the advantage.
Description
Technical Field
The utility model belongs to the technical field of steel billet shears tool, more specifically say, relate to a long-life steel billet hydraulic pressure is cut.
Background
The billet hydraulic shear is mainly used for on-line synchronous shearing of the billet of a continuous casting machine in the metallurgical industry.
The existing steel billet hydraulic shear is high in temperature of the use environment of equipment, cooling measures are not taken into consideration when the equipment is designed, so that a sealing element of a hydraulic cylinder is easily damaged under a high-temperature environment to cause oil leakage, the sealing element of the hydraulic cylinder cannot be replaced independently, the sealing element cannot be replaced after the whole hydraulic shear equipment is disassembled, the work efficiency is seriously affected, the high damage rate of the sealing element not only causes the equipment to be damaged and increases the cost of spare parts, but also the production safety is affected.
Through search, Chinese patent publication No. CN 103331477B; the publication date is as follows: 27 months 05 in 2015; the hydraulic billet shears comprises a base, a rack, a shearing device, a traveling mechanism, a hydraulic station and a control host, wherein a roller type supporting device is fixed on a supporting frame, an internal cooling water channel is arranged inside a shearing inclined frame, and a travel switch is arranged on the shearing inclined frame; the shearing oil cylinder is fixed on the shearing oil cylinder fixing rod and the supporting frame, the shearing oil cylinder is fixedly connected with the lower cutter holder, a spiral first outer cooling water channel is arranged on a shell of the shearing oil cylinder, and the first outer cooling water channel is connected with the inner cooling water channel; the walking oil cylinder is fixed on the base and is fixedly connected with the supporting frame, and a spiral second external cooling water channel is arranged on a shell of the walking oil cylinder; the wheels are embedded in the adjustable U-shaped grooves in the guide rails. The application has strengthened the heat resistance of multiple parts of hydraulic pressure scissors through the mode of setting up the cooling water course, nevertheless to the sealing member department of pneumatic cylinder, still does not have effectual high temperature prevention measure.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention adopts the following technical solution.
A long-life hydraulic shear for steel billets comprises,
a hydraulic shear main body;
the hydraulic cylinder is arranged on the hydraulic shear main body, and a sealing piece is arranged on the hydraulic cylinder;
still include the gas cooling mechanism, it includes:
the semicircular frame is semicircular and surrounds the sealing element, and the semicircular frame is fixedly connected with the hydraulic shear main body;
a plurality of air nozzles are formed on the inner side of the semicircular frame, and spray heads of the air nozzles are arranged in the direction pointing to the circle center of the semicircular frame;
the gas pipe is connected with the semicircular frame and is communicated with each gas nozzle;
and the gas source provides compressed gas for the gas conveying pipe.
The sealing part of the hydraulic cylinder is provided with a gas cooling mechanism, the gas cooling mechanism comprises a semicircular frame, the radius of the semicircular frame is larger than that of the sealing part of the hydraulic cylinder, the semicircular frame can be covered above the sealing part of the hydraulic cylinder and is fixed with the hydraulic shear main body through a connecting rod and other members so as to keep the position of the semicircular frame stable during the operation of the hydraulic shear, furthermore, the semicircular frame is a hollow pipe fitting, the side surface of the semicircular frame, which is close to the sealing part, is convexly provided with a plurality of gas nozzles, each gas nozzle points to the circle center direction of the semicircular frame, the circle center position of the semicircular frame is superposed with the circle center position of the sealing part, therefore, each gas nozzle on the semicircular frame points to the arrangement of the sealing part, the gas pipe communicates compressed air in a gas source with each gas nozzle, the gas pipe penetrates through the outer side of the semicircular frame and extends into the semicircular frame and is communicated with each gas nozzle from the hollow semicircular frame, compressed air is introduced to each air tap through an air source, and then the multiple positions of the sealing piece are blown and cooled, so that the working time of the steel billet hydraulic shear is guaranteed, the sealing piece position cannot be affected by too high temperature, the service life of the sealing piece is prolonged, and the service life of the steel billet hydraulic shear is prolonged.
Further, the gas transmission pipe is a metal hose.
The intensity of gas-supply pipe has been ensured on the one hand to the setting of metal collapsible tube, easily decreases in can adverse circumstances such as continuous casting again, and on the other hand can be in continuous casting operational environment, and nimble pipeline of arranging air supply position and gas-supply pipe conveniently satisfies daily production's space demand.
Further, the hydraulic cylinder also comprises a protective cover which is covered around the hydraulic cylinder; the end face of the protective cover close to the telescopic rod of the hydraulic cylinder is provided with a through hole for the telescopic rod of the hydraulic cylinder to extend out.
The protective cover is arranged around the hydraulic cylinder, the hydraulic cylinder mainly comprises a cylinder body and a telescopic rod, the cylinder body is fixed on the hydraulic shear main body, the telescopic rod is continuously driven by hydraulic pressure to drive the working part to work, therefore, the protective cover is provided with a through hole at the end surface close to the telescopic rod of the hydraulic cylinder, the telescopic rod of the hydraulic cylinder extends out, and the normal work of the hydraulic cylinder is not interfered
Furthermore, a heat insulation pad is laid in the end face of the protection cover, which is provided with the through hole, and the shape of the heat insulation pad is matched with the shape of the end face on which the heat insulation pad is laid.
The heat insulation pad is laid in the end face of the protective cover, which is provided with the through hole, can be made of heat insulation materials such as mineral wool, can effectively reduce the heat transfer at the billet to the position near the sealing element, is matched with the gas cooling mechanism, further reduces the high-temperature load on the sealing element, and prolongs the service life of the sealing element.
Furthermore, the cooling device also comprises a cooling pipe which is spirally wound on the cylinder body of the hydraulic cylinder, and flowing cooling liquid is introduced into the cooling pipe.
The cooling pipe is internally filled with flowing cooling liquid, the temperature of the cylinder body is reduced, meanwhile, the environment for cooling is built in the space in the protective cover, and the high-temperature load on the sealing piece is effectively reduced by matching the heat insulation pad and the air cooling mechanism.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the long-life steel billet hydraulic shear is provided with the air cooling mechanism, and compressed air is introduced to each air tap through the air source, so that multiple parts of the sealing element are blown and cooled, and therefore, when the steel billet hydraulic shear works, the sealing element cannot be influenced by overhigh temperature, the service life of the sealing element is prolonged, and the effective service life of the steel billet hydraulic shear is prolonged;
(2) the long-life steel billet hydraulic shear has the advantages that the metal hose ensures the strength of the gas pipe and is not easy to damage in severe environments such as continuous casting, and on the other hand, the gas source position and the pipeline of the gas pipe can be flexibly arranged in the continuous casting working environment, so that the space requirement of daily production can be conveniently met;
(3) the long-life billet hydraulic shear of the utility model avoids the hydraulic cylinder of the sundries device from damaging the normal work of the billet hydraulic shear through the arrangement of the protective cover, and also protects the air cooling mechanism, thereby ensuring effective cooling;
(4) the long-life steel billet hydraulic shear can effectively reduce the heat transfer of the steel billet to the vicinity of the sealing element by arranging the heat insulation pad, and further reduce the high-temperature load on the sealing element by matching with the air cooling mechanism, thereby prolonging the service life of the sealing element;
(5) the long-life steel billet hydraulic shear has the advantages that flowing cooling liquid is introduced into the cooling pipe, the temperature of the cylinder body is reduced, meanwhile, a cooling environment is built in the space in the protective cover, and the high-temperature load on the sealing element is effectively reduced by matching the heat insulation pad and the air cooling mechanism;
(6) the utility model discloses simple structure, reasonable in design easily makes.
Drawings
FIG. 1 is a schematic structural diagram of a conventional hydraulic billet shear;
FIG. 2 is a rear view of a conventional hydraulic billet shear;
FIG. 3 is a partial view of the hydraulic shears for steel billets of embodiment 2;
FIG. 4 is a schematic view of the air cooling mechanism of the present invention;
FIG. 5 is a partial view of the hydraulic shears for steel billets of example 4;
FIG. 6 is a partial view of the hydraulic shears for steel billets of example 5;
in the figure:
1. a hydraulic shear main body;
2. a hydraulic cylinder; 20. a seal member;
3. a gas cooling mechanism; 30. a semicircular frame; 31. an air tap; 33. a gas delivery pipe; 34. a gas source;
4. a protective cover; 40. a heat insulating pad;
5. and (7) cooling the tube.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
The long-life hydraulic billet shears of the embodiment comprises,
a hydraulic shear body 1;
the hydraulic cylinder 2 is arranged on the hydraulic shear main body 1, and a sealing piece 20 is arranged on the hydraulic cylinder 2;
also included is a gas cooling mechanism 3, which includes:
the semicircular frame 30 is semicircular and surrounds the sealing element 20, and the semicircular frame 30 is fixedly connected with the hydraulic shear main body 1;
a plurality of air nozzles 31 are formed inside the semicircular frame 30, and the nozzles of the air nozzles 31 are arranged in the direction of the center of the semicircular frame 30;
the air pipe 33 is connected with the semicircular frame 30 and is communicated with each air nozzle 31;
a gas source 34 which supplies compressed gas to the gas line 33.
Billet hydraulic pressure is cut and is worked in high temperature environment for a long time, current billet hydraulic pressure is cut and is not had effectual cooling mechanism, sealing member 20 of its pneumatic cylinder 2 damages very easily under high temperature environment, cause the oil leak phenomenon, lead to the unable normal work of hydraulic pressure scissors, influence work efficiency, and sealing member 20's change is comparatively troublesome, need change after dismantling whole hydraulic pressure scissors equipment, the maintenance is wasted time and energy, based on this problem, this application starts from the root source nature problem that causes sealing member 20 to damage, a long-life billet hydraulic pressure is cut, through excellent cooling capacity, greatly reduced sealing member 20's spoilage.
As shown in fig. 1 and 2, for the existing steel billet hydraulic shears, there is no cooling mechanism at the hydraulic cylinder 2 of the hydraulic shear body 1, and this embodiment is improved based on this structure, a gas cooling mechanism 3 is disposed at the position of the sealing member 20 of the hydraulic cylinder 2 as shown in fig. 3 and 4, the gas cooling mechanism 3 includes a semi-circular frame 30, the radius of the semi-circular frame 30 is greater than the radius of the sealing member 20 of the hydraulic cylinder 2, and it can be covered above the sealing member 20 of the hydraulic cylinder 2, and the semi-circular frame 30 is fixed with the hydraulic shear body 1 through a connecting rod or other members to keep the position of the semi-circular frame 30 stable during the operation of the hydraulic shears, further, the semi-circular frame 30 is a hollow pipe, a plurality of gas nozzles 31 are disposed on the side of the semi-circular frame 30 close to the sealing member 20, each gas nozzle 31 points to the direction of the center of the semi-circular frame 30, and the position of the center of the semi-circular frame 30 coincides with the position of the center of the sealing member 20, from this, every air cock 31 on the semicircle frame 30 all points to sealing member 20 setting, compressed air and every air cock 31 intercommunication in air supply 34 are connected to air supply pipe 33, air supply pipe 33 passes the semicircle frame 30 outside and stretches into in the semicircle frame 30, communicate with every air cock 31 in the hollow semicircle frame 30, pass through compressed air through air supply 34 to every air cock 31, and then blow the cooling to sealing member 20's many places, thereby the during operation of steel billet hydraulic shear has been guaranteed, sealing member 20 department can not receive too high temperature influence, and then sealing member 20's life-span has been prolonged, make the effective life-span extension of steel billet hydraulic shear.
Furthermore, in the embodiment, the air nozzle 31 outputs 0.3 to 0.4MPa of compressed air through the air source 34, so that the high-temperature load damage to the sealing element 20 can be reduced.
Example 2
The long-life billet hydraulic shear of the embodiment is further improved on the basis of the embodiment 1, and the gas pipe 33 is a metal hose.
The gas-supply pipe 33 of this embodiment is metal collapsible tube, and metal collapsible tube's setting has ensured the intensity of gas-supply pipe 33 on the one hand, is fragile in the adverse circumstances such as continuous casting again, and on the other hand can be in continuous casting operational environment, and the nimble pipeline of arranging air supply 34 position and gas-supply pipe 33 conveniently satisfies daily production's space demand.
Example 3
The long-life billet hydraulic shear of the embodiment is further improved on the basis of the embodiment 2, and further comprises a protective cover 4 which is covered around the hydraulic cylinder 2; the end face of the protective cover 4 close to the telescopic rod of the hydraulic cylinder 2 is provided with a through hole for the telescopic rod of the hydraulic cylinder 2 to extend out.
As shown in fig. 5, in the present embodiment, the protective cover 4 is disposed around the hydraulic cylinder 2, the hydraulic cylinder 2 mainly includes a cylinder body and a telescopic rod, the cylinder body is fixed on the hydraulic shear body 1, and the telescopic rod is continuously driven by hydraulic pressure to drive the working portion to work, therefore, the protective cover 4 of the present embodiment is provided with a through hole on an end surface close to the telescopic rod of the hydraulic cylinder 2, so that the telescopic rod of the hydraulic cylinder 2 extends out without interfering with normal operation of the hydraulic cylinder 2; further, the space for installing the air supply cooling mechanism 3 is reserved in the protective cover 4, the semicircular frame 30 can be fixedly connected with the protective cover 4 to further stabilize the position of the protective cover, the hydraulic cylinder 2 of the sundries device is prevented from damaging the normal work of the hydraulic cylinder through the arrangement of the protective cover 4, the air cooling mechanism 3 is also protected, and then effective cooling is ensured.
Example 4
The long-life billet hydraulic shear of the embodiment is further improved on the basis of the embodiment 3, the heat insulation pad 40 is laid in the end face of the protection cover 4 provided with the through hole, and the shape of the heat insulation pad 40 is matched with the shape of the end face laid with the heat insulation pad.
As shown in fig. 5, when the hydraulic cylinder 2 is operated, the telescopic rod is closer to the high-temperature billet, and the high-temperature heat is mainly transferred from the direction of the telescopic rod to affect the sealing member 20, therefore, in the embodiment, the heat insulation pad 40 is laid in the end surface of the protective cover 4 with the through hole, the heat insulation pad 40 can be made of heat insulation material such as mineral wool, and the like, so that the heat transfer at the billet position can be effectively reduced to the vicinity of the sealing member 20, and the high-temperature load received by the sealing member 20 is further reduced by matching with the air cooling mechanism 3, and the service life of the sealing member is prolonged.
Example 5
The long-life billet hydraulic shear of the embodiment is further improved on the basis of the embodiment 4, and further comprises a cooling pipe 5 which is spirally wound on a cylinder body of the hydraulic cylinder 2, and flowing cooling liquid is introduced into the cooling pipe 5.
As shown in fig. 6, flowing cooling liquid is introduced into the cooling pipe 5, the temperature of the cylinder body is reduced, meanwhile, a cooling environment is created in the space in the protective cover 4, the heat insulation pad 40 and the air cooling mechanism 3 are matched, the high-temperature load on the sealing element 20 is effectively reduced, through the structural improvement of the embodiment, when the sealing element is applied in actual production, the effective service life of the sealing element 20 reaches more than twice of the service life of the existing steel billet hydraulic shear sealing element 20, the working efficiency is greatly improved, and the maintenance cost is reduced.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (5)
1. A long-life hydraulic shear for steel billets comprises,
a hydraulic shear main body;
the hydraulic cylinder is arranged on the hydraulic shear main body, and a sealing piece is arranged on the hydraulic cylinder;
it is characterized by also comprising a gas cooling mechanism, which comprises:
the semicircular frame is semicircular and surrounds the sealing element, and the semicircular frame is fixedly connected with the hydraulic shear main body;
a plurality of air nozzles are formed on the inner side of the semicircular frame, and spray heads of the air nozzles are arranged in the direction pointing to the circle center of the semicircular frame;
the gas pipe is connected with the semicircular frame and is communicated with each gas nozzle;
and the gas source provides compressed gas for the gas conveying pipe.
2. The long life hydraulic shears for billets as claimed in claim 1, wherein: the gas transmission pipe is a metal hose.
3. The long life hydraulic shears for billets as claimed in claim 2, wherein: the protective cover is covered around the hydraulic cylinder; the end face of the protective cover close to the telescopic rod of the hydraulic cylinder is provided with a through hole for the telescopic rod of the hydraulic cylinder to extend out.
4. The long life hydraulic shears for billets as claimed in claim 3, wherein: the heat insulation pad is laid in the end face of the protective cover with the through hole, and the shape of the heat insulation pad is matched with that of the end face on which the heat insulation pad is laid.
5. The long life hydraulic shears for billets as claimed in any one of claims 1 to 4, wherein: the cooling device also comprises a cooling pipe which is spirally wound on the cylinder body of the hydraulic cylinder, and flowing cooling liquid is introduced into the cooling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428696.1U CN213857367U (en) | 2020-10-28 | 2020-10-28 | Long-life billet hydraulic shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428696.1U CN213857367U (en) | 2020-10-28 | 2020-10-28 | Long-life billet hydraulic shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213857367U true CN213857367U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428696.1U Active CN213857367U (en) | 2020-10-28 | 2020-10-28 | Long-life billet hydraulic shear |
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|---|---|
| CN (1) | CN213857367U (en) |
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- 2020-10-28 CN CN202022428696.1U patent/CN213857367U/en active Active
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