CN215908595U - Anti-loosening device for hydraulic straight pipe joint - Google Patents
Anti-loosening device for hydraulic straight pipe joint Download PDFInfo
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- CN215908595U CN215908595U CN202121359123.6U CN202121359123U CN215908595U CN 215908595 U CN215908595 U CN 215908595U CN 202121359123 U CN202121359123 U CN 202121359123U CN 215908595 U CN215908595 U CN 215908595U
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- connecting rod
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Abstract
A locking device of a hydraulic straight pipe joint belongs to the technical field of hydraulic pipeline accessories. The hydraulic straight-through pipe joint comprises a first fastening plate, a second fastening plate, a supporting plate, a connecting rod and a pressing part, wherein the first nut and the second nut of the hydraulic straight-through pipe joint are respectively connected with the first hydraulic oil pipe and the second hydraulic oil pipe, the connecting rod penetrates through a third through hole in the middle of the second fastening plate, one end of the connecting rod is fixedly connected with the first fastening plate, the other end of the connecting rod is detachably and fixedly connected with the supporting plate, the pressing part is arranged on the supporting plate, and the first nut and the second nut are fastened between the first fastening plate and the second fastening plate. The utility model solves the problems that the hydraulic oil leakage accident is caused and the emulsion is polluted because the existing hydraulic system of the rolling mill cannot be timely processed when the connection between the hydraulic straight-through pipe joint and the hydraulic oil pipe is loosened, and achieves the purposes of improving the normal production rate of the rolling mill and reducing the maintenance cost of the rolling mill.
Description
Technical Field
The utility model relates to a locking device of a hydraulic straight-through pipe joint, belonging to the technical field of hydraulic pipeline accessories.
Background
In cold rolling equipment, a hydraulic system is widely applied, a hydraulic oil pipe joint of the hydraulic system is often connected with a hydraulic oil pipe to form a hydraulic oil circuit, in the process of rolling strip steel, the frequent actions of an AGC cylinder, a bending roll, a stringing roll and other equipment can cause the hydraulic oil circuit to generate larger vibration, so that the connection between the hydraulic pipe joint and the hydraulic oil pipe is loosened, and oil leakage accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a locking device of a hydraulic straight-through pipe joint, which aims to solve the problems that the hydraulic oil leakage accident is caused and emulsion is polluted because the connection between the hydraulic straight-through pipe joint and a hydraulic oil pipe cannot be processed in time when the connection between the hydraulic straight-through pipe joint and the hydraulic oil pipe is loosened in the hydraulic system of the existing rolling mill, and the aims of improving the normal production rate of the rolling mill and reducing the maintenance cost of the rolling mill are fulfilled.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a first nut and a second nut of the hydraulic straight-through pipe joint are respectively connected with a first hydraulic oil pipe and a second hydraulic oil pipe, the hydraulic straight-through pipe joint comprises a first fastening plate, a second fastening plate, a supporting plate, a connecting rod and a pressing part, a first through hole matched with the outer diameter of the first hydraulic oil pipe is formed in the middle of the first fastening plate, a second through hole matched with the outer diameter of the second hydraulic oil pipe is formed in the middle of the second fastening plate, a third through hole matched with the outer diameter of the connecting rod is symmetrically formed in two sides of the second through hole, a fourth through hole matched with the outer diameter of the second hydraulic oil pipe is formed in the middle of the supporting plate, a fifth through hole corresponding to the three phases of the first through hole is symmetrically formed in two sides of the fourth through hole, and the connecting rod penetrates through the third through hole and is fixedly connected with one end of the first fastening plate, The other end of the nut is detachably and fixedly connected with the supporting plate, a pressing part is arranged on the supporting plate, and the first nut and the second nut are fastened between the first fastening plate and the second fastening plate.
According to the anti-loosening device for the hydraulic straight-through pipe joint, the pressing component comprises a locking screw and a locking nut, a threaded hole matched with the locking screw is formed in the supporting plate, the locking screw is screwed in the threaded hole and tightly pressed on the outer side face of the fastening plate II, and the locking nut is in threaded connection with the locking screw and tightly pressed on the side face of the supporting plate.
In the anti-loosening device for the hydraulic straight-through pipe joint, the connecting rod is connected with the fastening plate in a welding mode.
In the anti-loosening device for the hydraulic straight-through pipe joint, the other end of the connecting rod is provided with a second threaded hole, the inner diameter of the fifth through hole is matched with the second threaded hole, and the bolt is matched with the spring washer, penetrates through the fifth through hole and is screwed into the second threaded hole to fixedly connect the connecting rod with the supporting plate.
When a hydraulic oil way is connected, the first hydraulic oil pipe penetrates through a first through hole arranged in the middle of the first fastening plate and the second hydraulic oil pipe penetrates through a fourth through hole and a second through hole arranged in the middle of the supporting plate and the second fastening plate from outside to inside in sequence, then the first hydraulic oil pipe and the second hydraulic oil pipe are connected with the first nut and the second nut of the hydraulic straight-through pipe joint, the threaded fasteners are screwed, the connecting rod penetrates through the third through hole, one end of the connecting rod is fixedly connected with the first fastening plate, the other end of the connecting rod is detachably and fixedly connected with the supporting plate, and a bolt matched with a spring washer penetrates through the through hole and is arranged in the second threaded hole in a penta-screwing mode to fixedly connect the connecting rod with the supporting plate; and screwing a locking screw rod with the locking nut into the threaded hole arranged in the support plate from outside to inside, rotating the locking screw rod until the front end part of the locking screw rod is tightly pressed on the fastening plate II, continuing to rotate until the fastening plate I and the fastening plate II are tightly contacted with the outer end surfaces of the nut I and the nut II of the hydraulic straight-through pipe joint, and locking and fixing the locking screw rod and the support plate by using the locking nut.
In conclusion, the anti-loosening device for the hydraulic straight-through pipe joint is simple in structure and convenient to machine and install, solves the problems that hydraulic oil leakage accidents are caused and emulsion is polluted because the connection between the hydraulic straight-through pipe joint and a hydraulic oil pipe cannot be timely processed when the connection between the hydraulic straight-through pipe joint and the hydraulic oil pipe is loosened in an existing rolling mill hydraulic system, and achieves the purposes of improving the normal production rate of a rolling mill and reducing the maintenance cost of the rolling mill.
Drawings
The utility model is described in further detail below with reference to the figures and the detailed description.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic structural view of a second fastening plate;
fig. 4 is a schematic structural view of the support plate.
In the figure:
1. a first hydraulic oil pipe; 2. a first fastening plate; 2-1, a first through hole; 3. a connecting rod; 3-1, a threaded hole II; 4. a hydraulic straight-through pipe joint; 4-1, a first nut; 4-2, nut two; 5. a second fastening plate; 5-1, a second through hole; 5-2, a third through hole; 6. a support plate; 6-1, a through hole IV; 6-2, a through hole five; 6-3, a threaded hole; 7. a connecting bolt; 8. A spring washer; 9. a hydraulic oil pipe II; 10. a pressing member; 10-1, locking a nut; 10-2, locking the screw rod.
Detailed Description
Referring to fig. 1 to 4, an embodiment of the present invention provides a locking device for a hydraulic straight-through pipe joint, which is disposed at two ends of a hydraulic straight-through pipe joint 4 in a hydraulic pipeline, a first nut 4-1 and a second nut 4-2 of the hydraulic straight-through pipe joint 4 are respectively connected with a first hydraulic oil pipe 1 and a second hydraulic oil pipe 9, and the locking device comprises a first fastening plate 2, a second fastening plate 5, a supporting plate 6, a connecting rod 3 and a pressing component 10, wherein a first through hole 2-1 matched with the outer diameter of the first hydraulic oil pipe 1 is disposed in the middle of the first fastening plate 2, a second through hole 5-1 matched with the outer diameter of the second hydraulic oil pipe 9 is disposed in the middle of the second fastening plate 5, three through holes 5-2 matched with the outer diameter of the connecting rod 3 are symmetrically disposed at two sides of the second through hole 5-1, a fourth through hole 6-1 matched with the outer diameter of the second hydraulic oil pipe 9 is disposed in the middle of the supporting plate 6, two sides of the through hole IV 6-1 are symmetrically provided with a through hole V6-2 corresponding to the through hole III 5-2, the connecting rod 3 penetrates through the through hole III 5-2, one end of the connecting rod is fixedly connected with the fastening plate I2, the other end of the connecting rod is detachably and fixedly connected with the supporting plate 6, a pressing part 10 is arranged on the supporting plate, and the nut I4-1 and the nut II 4-2 are fastened between the fastening plate I2 and the fastening plate II 5.
In the anti-loosening device for the hydraulic straight-through pipe joint, the compression part 10 comprises a locking screw rod 10-2 and a locking nut 10-1, a threaded hole 6-3 matched with the locking screw rod 10-2 is formed in the support plate 6, the locking screw rod 10-2 is screwed in the threaded hole 6-3 and is compressed on the outer side face of the fastening plate II 5, and the locking nut 10-1 is in threaded connection with the locking screw rod 10-2 and is compressed on the side face of the support plate 6.
In the anti-loosening device for the hydraulic straight-through pipe joint, the connecting rod 3 is connected with the fastening plate I2 in a welding mode.
In the anti-loosening device of the hydraulic straight-through pipe joint, the other end of the connecting rod 3 is provided with a second threaded hole, the inner diameter of the fifth through hole 6-2 is matched with the second threaded hole, and the bolt 7 and the spring washer 8 which are matched with each other penetrate through the fifth through hole 6-2 and are screwed in the second threaded hole 3-1 to fixedly connect the connecting rod 3 with the supporting plate 6.
When a hydraulic oil way is connected, the first hydraulic oil pipe 1 penetrates through a first through hole 2-1 arranged in the middle of the first fastening plate 2 and the second hydraulic oil pipe 9 sequentially penetrates through a fourth through hole 6-1 and a second through hole 5-1 arranged in the middle of the supporting plate 6 and the second fastening plate 5 from outside to inside, then is connected with the first nut 4-1 and the second nut 4-2 of the hydraulic straight-through pipe joint 4, the threaded buckle is screwed, the connecting rod penetrates through the third through hole 5-2, one end of the connecting rod is fixedly connected with the first fastening plate 2, the other end of the connecting rod is detachably fixedly connected with the supporting plate 6, the bolt 7 and a spring washer 8 penetrate through the fifth through hole 6-2 and are screwed in the second threaded hole 3-1 to fixedly connect the connecting rod 3 with the supporting plate 6, and as the spring washer 8 is arranged between the bolt 7 and the supporting plate 6 in the embodiment of the utility model, the connection between the connecting rod 3 and the supporting plate 6 is more stable, and the looseness and failure caused by the vibration of a hydraulic oil pipe can be avoided; and screwing a locking screw 10-2 provided with the locking nut 10-1 into a threaded hole 6-3 arranged in the support plate 6 from outside to inside, rotating the locking screw 10-2 until the front end part of the locking screw is tightly pressed on the fastening plate II 5, continuing to rotate until the fastening plate I2 and the fastening plate II 5 are tightly contacted with the outer end surfaces of the nut I4-1 and the nut II 4-2 of the hydraulic straight-through pipe joint 4, and locking and fixing the locking screw 10-2 and the support plate 6 by using the locking nut 10-1.
In conclusion, the embodiment of the utility model has the advantages of simple structure and convenience in processing and installation, solves the problems that the hydraulic oil leakage accident is caused and the emulsion is polluted because the connection between the hydraulic straight-through pipe joint and the hydraulic oil pipe cannot be processed in time when the connection between the hydraulic straight-through pipe joint and the hydraulic oil pipe is loosened in the hydraulic system of the existing rolling mill, and achieves the purposes of improving the normal production rate of the rolling mill and reducing the maintenance cost of the rolling mill.
Claims (4)
1. A locking device of a hydraulic straight-through pipe joint is arranged at two ends of a hydraulic straight-through pipe joint (4) in a hydraulic pipeline, a first nut (4-1) and a second nut (4-2) of the hydraulic straight-through pipe joint (4) are respectively connected with a first hydraulic oil pipe (1) and a second hydraulic oil pipe (9), and the locking device is characterized by comprising a first fastening plate (2), a second fastening plate (5), a supporting plate (6), a connecting rod (3) and a pressing part (10), wherein a first through hole (2-1) matched with the outer diameter of the first hydraulic oil pipe (1) is arranged in the middle of the first fastening plate (2), a second through hole (5-1) matched with the outer diameter of the second hydraulic oil pipe (9) is arranged in the middle of the second fastening plate (5), and third through holes (5-2) matched with the outer diameter of the connecting rod (3) are symmetrically arranged at two sides of the second through hole (5-1), the middle of the supporting plate (6) is provided with a through hole four (6-1) matched with the outer diameter of the hydraulic oil pipe two (9), two sides of the through hole four (6-1) are symmetrically provided with a through hole five (6-2) corresponding to the through hole three (5-2), the connecting rod (3) penetrates through the through hole three (5-2), one end of the connecting rod is fixedly connected with the fastening plate one (2), the other end of the connecting rod is detachably and fixedly connected with the supporting plate (6), the supporting plate (6) is provided with a pressing part (10), and the nut one (4-1) and the nut two (4-2) are fastened between the fastening plate one (2) and the fastening plate two (5).
2. The anti-loosening device for the hydraulic straight pipe joint as claimed in claim 1, wherein the pressing part (10) comprises a locking screw (10-2) and a locking nut (10-1), a threaded hole (6-3) matched with the locking screw (10-2) is formed in the support plate (6), the locking screw (10-2) is screwed in the threaded hole (6-3) and pressed on the outer side face of the second fastening plate (5), and the locking nut (10-1) is in threaded connection with the locking screw (10-2) and pressed on the side face of the support plate (6).
3. The anti-loosening device for a hydraulic straight pipe joint as claimed in claim 1 or 2, wherein the connecting rod (3) is welded to the first fastening plate (2).
4. The anti-loosening device for the hydraulic straight-through pipe joint as claimed in claim 3, wherein a threaded hole II (3-1) is formed in the other end of the connecting rod (3), the inner diameter of the through hole five (6-2) is matched with that of the threaded hole II (3-1), and a bolt (7) and a spring washer (8) are screwed into the threaded hole II (3-1) through the through hole five (6-2) to fixedly connect the connecting rod (3) and the supporting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359123.6U CN215908595U (en) | 2021-06-18 | 2021-06-18 | Anti-loosening device for hydraulic straight pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359123.6U CN215908595U (en) | 2021-06-18 | 2021-06-18 | Anti-loosening device for hydraulic straight pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215908595U true CN215908595U (en) | 2022-02-25 |
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ID=80288010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121359123.6U Active CN215908595U (en) | 2021-06-18 | 2021-06-18 | Anti-loosening device for hydraulic straight pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215908595U (en) |
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2021
- 2021-06-18 CN CN202121359123.6U patent/CN215908595U/en active Active
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