CN210150647U - Hydraulic jacking mechanism for jacking slab vacuum steel ladle - Google Patents
Hydraulic jacking mechanism for jacking slab vacuum steel ladle Download PDFInfo
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- CN210150647U CN210150647U CN201921021105.XU CN201921021105U CN210150647U CN 210150647 U CN210150647 U CN 210150647U CN 201921021105 U CN201921021105 U CN 201921021105U CN 210150647 U CN210150647 U CN 210150647U
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Abstract
The utility model discloses a hydraulic pressure climbing mechanism for jacking of slab vacuum ladle belongs to metallurgical production facility design and manufacture maintenance technical field. The hydraulic jacking mechanism comprises a piston rod, a hydraulic cylinder and a hydraulic oil hard pipe conveying system located in a pit, wherein the piston rod is fixedly installed at the lower end of the piston rod, the hydraulic cylinder is sleeved on the piston rod in a reciprocating manner along the vertical direction, the hydraulic jacking mechanism further comprises an oil inlet and outlet hard pipe installing and connecting assembly, an oil passage pipe is arranged inside the piston rod, the upper end of the oil passage pipe is communicated with the hydraulic cylinder, the lower end of the oil passage pipe is arranged at the lower end of the piston rod and penetrates out of the piston rod, and the hydraulic oil hard pipe conveying system is connected with one end, penetrating out of the piston rod, of the oil passage pipe through the oil inlet and outlet hard pipe installing and connecting assembly.
Description
Technical Field
The utility model relates to a hydraulic pressure climbing mechanism especially relates to a hydraulic pressure climbing mechanism for jacking of slab vacuum ladle, belongs to metallurgical production equipment manufacturing and designing maintenance technical field.
Background
After the vacuum treatment equipment for the plate blank in a certain vanadium extracting steel plant is built and put into operation, a low-position steel penetrating accident of a station A steel ladle occurs in the production process in 4 months in 2015, high-temperature molten steel flows out to cause the damage of equipment such as a jacking hydraulic cylinder, a hydraulic oil inlet pipeline and the like positioned below, and the production of the station A is in a paralysis state. The slab vacuum ladle jacking hydraulic cylinder is in a vertical installation mode, namely a piston rod downwards fixes the piston rod on a foundation, a cylinder body attached with a pulley moves up and down along a guide rail on the wall of a vertical shaft, the hydraulic cylinder is in a single-cavity working mode, an oil inlet of the hydraulic cylinder is arranged on the hollow piston rod, and hydraulic oil is connected with an oil inlet of the hydraulic cylinder through a rotary joint. The rotary joint is an import part, and 3 sets of the rotary joint are used, specifically 2 multiplied by 64850 yuan/one +2 multiplied by 78850 yuan/one +2 multiplied by 96300 yuan/one for about 48 ten thousand yuan, so that the rotary joint is very expensive. The hydraulic cylinder is mounted schematically as shown in figure 1.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the hydraulic jacking mechanism for jacking the slab vacuum ladle is simple in structure, convenient to install and remarkably reduced in cost.
The technical scheme adopted for solving the technical problems is as follows: a hydraulic jacking mechanism for jacking a slab vacuum ladle comprises a piston rod, a hydraulic cylinder and a hydraulic oil hard pipe conveying system located in a pit, wherein the piston rod is fixedly installed in the pit through the lower end of the piston rod, the hydraulic cylinder is sleeved on the piston rod in a reciprocating manner along the vertical direction, the hydraulic jacking mechanism further comprises an oil inlet and outlet oil way hard pipe installing and connecting assembly, an oil way pipe is arranged inside the piston rod, the upper end of the oil way pipe is communicated with the hydraulic cylinder, the lower end of the oil way pipe penetrates out of the piston rod from the lower end of the piston rod, and the hydraulic oil hard pipe conveying system is connected with one end, penetrating out of the piston rod, of the oil way pipe through the oil inlet and outlet oil way hard pipe installing and connecting assembly.
Furthermore, the oil inlet and outlet hard pipe mounting and connecting assembly comprises a high-pressure connecting pipe, and two ends of the high-pressure connecting pipe are respectively connected with the hydraulic oil hard pipe conveying system and one end of the oil pipe penetrating out of the piston rod.
The preferable mode of the scheme is that the high-pressure connecting pipe comprises three stainless steel pipes and two stainless steel elbows, the three stainless steel pipes are sequentially communicated through the two stainless steel elbows, and two ends of the three sequentially communicated stainless steel pipes are respectively connected with the hydraulic oil hard pipe conveying system and one end, penetrating out of the piston rod, of the oil path pipe.
Further, a high-pressure ball valve is further arranged on an oil inlet and an oil outlet of the hydraulic oil hard pipe conveying system, and one end of the high-pressure connecting pipe is communicated with the hydraulic oil hard pipe conveying system through the high-pressure ball valve.
The preferable mode of the scheme is that two ends of the high-pressure connecting pipe formed by connecting the stainless steel pipe and the stainless steel elbow are respectively welded with the oil inlet and the oil outlet of the oil circuit pipe and the hydraulic oil hard pipe conveying system at corresponding positions.
Furthermore, the hydraulic jacking mechanism also comprises a fixed base, and the lower end of the piston rod is fixedly arranged in the pit through the fixed base.
The preferred mode of above-mentioned scheme is, hydraulic pressure climbing mechanism still include the direction wheelset, the pneumatic cylinder through along 3 at least groups of circumference equipartition the direction wheelset along vertical direction reciprocating motion under the cooperation of hydraulic oil hard tube conveying system.
The utility model has the advantages that: this application is through improving the import crossover sub that will have an expensive price now for business turn over oil circuit hard tube erection joint subassembly, again according to the inside of piston rod is provided with the oil circuit pipe, the upper end of oil circuit pipe with the pneumatic cylinder intercommunication, the lower extreme of oil circuit pipe is followed the current combination of this piston rod is worn out to the lower extreme of piston rod, will hydraulic oil hard tube conveying system passes through business turn over oil circuit hard tube erection joint subassembly with the one end that the piston rod was worn out to the oil circuit pipe is connected. Therefore, a complex installation structure of a plurality of adapter joints is omitted, the installation of the oil conveying way is facilitated, and meanwhile, the oil inlet and outlet way hard pipe installation and connection assembly is formed by hard pipes, so that the construction, manufacturing and installation costs are lower than those of the existing rotary joint, and the installation and maintenance costs are reduced, and the purpose of reducing the operation cost of equipment is achieved.
Drawings
Fig. 1 is a simplified structural schematic diagram of a conventional hydraulic jacking mechanism related to the present invention;
fig. 2 is the utility model discloses a hydraulic pressure climbing mechanism's that is used for jacking of slab vacuum ladle simplified structure schematic diagram.
Labeled as: the hydraulic oil pipeline connecting device comprises a piston rod 1, a hydraulic cylinder 2, a hydraulic oil hard pipe conveying system 3, an oil inlet and outlet hard pipe mounting and connecting assembly 4, an oil pipeline pipe 5, a stainless steel pipe 6, a stainless steel elbow 7, a high-pressure ball valve 8, a fixed base 9 and a conversion joint 10.
Detailed Description
As shown in fig. 2, the utility model provides a pair of a hydraulic jacking mechanism for jacking of slab vacuum ladle that constructs simply, simple to operate, the cost is showing and is reducing. The hydraulic jacking mechanism comprises a piston rod 1, a hydraulic cylinder 2 and a hydraulic oil hard pipe conveying system 3 located in a pit, wherein the piston rod 1 is fixedly installed in the pit through the lower end of the piston rod 1, the hydraulic cylinder 2 is sleeved on the piston rod 1 in a reciprocating manner along the vertical direction, the hydraulic jacking mechanism further comprises an oil inlet and outlet oil way hard pipe installing and connecting assembly 4, an oil way pipe 5 is arranged inside the piston rod 1, the upper end of the oil way pipe 5 is communicated with the hydraulic cylinder 2, the lower end of the oil way pipe 5 is arranged at the lower end of the piston rod 1 and penetrates out of the piston rod 1, and the hydraulic oil hard pipe conveying system 3 is connected with one end, penetrating out of the piston rod 1, of the oil way pipe 5 through the oil inlet and outlet oil way hard pipe installing and connecting assembly 4. This application is through improving the import crossover sub 10 that will have an expensive price now for business turn over oil circuit hard tube erection joint subassembly, again according to the inside of piston rod is provided with the oil circuit pipe, the upper end of oil circuit pipe with the pneumatic cylinder intercommunication, the lower extreme of oil circuit pipe is followed the current combination of this piston rod is worn out to the lower extreme of piston rod, will hydraulic oil hard tube conveying system passes through business turn over oil circuit hard tube erection joint subassembly with the one end that the piston rod was worn out to the oil circuit pipe is connected. Therefore, not only is the complex installation structure of a plurality of conversion joints 10 saved, and the installation of the oil conveying way is convenient, but also the oil inlet and outlet way hard pipe installation and connection assembly is formed by hard pipes, so that the construction, manufacture and installation costs are lower than the construction cost and the installation and maintenance costs of the existing rotary joint, and the purpose of reducing the operation cost of equipment is achieved.
Certainly, the oil inlet and outlet hard tube installation and connection assembly 4 can have various structures, for example, the end of the hydraulic oil hard tube conveying system 3, which penetrates out of the piston rod 1, of the oil tube 5 is directly connected through a connection tube with a connection nut, and the oil inlet and outlet hard tube installation and connection assembly 4 with the structure is formed by a straight tube because the hard tube is connected through the connection nut, and leakage can occur in a long-term micro-motion later stage when the piston rod 1 bears load. For this reason, this application provides the business turn over oil circuit hard tube erection joint subassembly 4 of another kind of structure, promptly business turn over oil circuit hard tube erection joint subassembly 4 include a high-pressure connecting pipe, the both ends of high-pressure connecting pipe respectively with hydraulic oil hard tube conveying system 4 with the one end that piston rod 1 was worn out to oil circuit pipe 5 is connected. And the high-pressure connecting pipe is arranged to be of a structure comprising three stainless steel pipes 6 and two stainless steel elbows 7, then the three stainless steel pipes 6 are sequentially communicated through the two stainless steel elbows 7, and two ends of the three sequentially communicated stainless steel pipes 6 are respectively connected with the hydraulic oil hard pipe conveying system 4 and one end, penetrating out of the piston rod 1, of the oil path pipe 5.
And in combination, the oil inlet and outlet of the hydraulic oil hard pipe conveying system 3 is also provided with a high-pressure ball valve 8, and one end of the high-pressure connecting pipe is communicated with the hydraulic oil hard pipe conveying system 3 through the high-pressure ball valve 8. Of course, to avoid the possibility of leakage later in the long term micro-movements when the piston rod 1 is loaded. This application will be formed by connecting stainless steel pipe 6 and stainless steel elbow 7 the both ends of high pressure connecting pipe respectively with the oil circuit pipe 5 and the hydraulic oil hard tube conveying system 3's of corresponding position department business turn over hydraulic fluid port welded connection.
At this time, the hydraulic jacking mechanism further comprises a fixed base 9, and the lower end of the piston rod 1 is fixedly arranged in the pit through the fixed base 9. The hydraulic jacking mechanism further comprises a guide wheel set, and the hydraulic cylinder is provided with at least 3 groups of guide wheel sets uniformly distributed along the circumferential direction and can reciprocate along the vertical direction under the cooperation of the hydraulic oil hard pipe conveying system.
In conclusion, after the hydraulic jacking mechanism provided by the application is adopted, based on the installation structure of changing the original hydraulic cylinder oil inlet and outlet way, namely, the spare part consumption is greatly reduced, the positive contribution is made to the cost reduction and efficiency improvement work of a steel mill, and huge economic benefits are created.
Claims (7)
1. The utility model provides a hydraulic pressure climbing mechanism for jacking of slab vacuum ladle, includes piston rod (1), pneumatic cylinder (2) and is arranged in hydraulic oil hard tube conveying system (3) in the pit, piston rod (1) adorn admittedly through its lower extreme in the pit, but pneumatic cylinder (2) along vertical direction reciprocating motion cup joint piston rod (1) on, its characterized in that: hydraulic pressure climbing mechanism still include business turn over oil circuit hard tube erection joint subassembly (4) the inside of piston rod (1) is provided with oil circuit pipe (5), the upper end of oil circuit pipe (5) with pneumatic cylinder (2) intercommunication, the lower extreme of oil circuit pipe (5) is followed this piston rod (1) is worn out to the lower extreme of piston rod (1), hydraulic oil hard tube conveying system (3) pass through business turn over oil circuit hard tube erection joint subassembly (4) with the one end that piston rod (1) was worn out to oil circuit pipe (5) is connected.
2. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 1, wherein: the oil inlet and outlet hard pipe mounting and connecting assembly (4) comprises a high-pressure connecting pipe, and two ends of the high-pressure connecting pipe are respectively connected with the hydraulic oil hard pipe conveying system (3) and one end, penetrating out of the piston rod (1), of the oil pipe (5).
3. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 2, wherein: the high-pressure connecting pipe comprises three stainless steel pipes (6) and two stainless steel elbows (7), the number of the stainless steel pipes (6) is three, the stainless steel elbows (7) are sequentially communicated, and two ends of the three stainless steel pipes (6) which are sequentially communicated are respectively connected with one end of the hydraulic oil hard pipe conveying system (3) and one end of the oil path pipe (5), which penetrates out of the piston rod (1), are connected.
4. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 3, wherein: and a high-pressure ball valve (8) is further arranged on an oil inlet and an oil outlet of the hydraulic oil hard pipe conveying system (3), and one end of the high-pressure connecting pipe is communicated with the hydraulic oil hard pipe conveying system (3) through the high-pressure ball valve (8).
5. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 3 or 4, wherein: the high-pressure connecting pipe is formed by connecting a stainless steel pipe (6) and a stainless steel elbow (7), and two ends of the high-pressure connecting pipe are respectively welded with an oil inlet and an oil outlet of the oil circuit pipe (5) and the hydraulic oil hard pipe conveying system (3) at corresponding positions.
6. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 5, wherein: the hydraulic jacking mechanism further comprises a fixed base (9), and the lower end of the piston rod (1) is fixedly arranged in the pit through the fixed base (9).
7. The hydraulic jacking mechanism for jacking a slab vacuum ladle as claimed in claim 1, wherein: the hydraulic jacking mechanism further comprises a guide wheel set, and the hydraulic cylinder is provided with at least 3 groups of guide wheel sets uniformly distributed along the circumferential direction and can reciprocate along the vertical direction under the cooperation of the hydraulic oil hard pipe conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021105.XU CN210150647U (en) | 2019-07-02 | 2019-07-02 | Hydraulic jacking mechanism for jacking slab vacuum steel ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021105.XU CN210150647U (en) | 2019-07-02 | 2019-07-02 | Hydraulic jacking mechanism for jacking slab vacuum steel ladle |
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| CN210150647U true CN210150647U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921021105.XU Active CN210150647U (en) | 2019-07-02 | 2019-07-02 | Hydraulic jacking mechanism for jacking slab vacuum steel ladle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165492A (en) * | 2021-12-16 | 2022-03-11 | 上海鎏汇达高科技发展集团有限公司 | Self-compensating hydraulic lifting device |
-
2019
- 2019-07-02 CN CN201921021105.XU patent/CN210150647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165492A (en) * | 2021-12-16 | 2022-03-11 | 上海鎏汇达高科技发展集团有限公司 | Self-compensating hydraulic lifting device |
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