CN216478902U - Inhaul cable end waterproof sealing device using framework spring sealing ring - Google Patents
Inhaul cable end waterproof sealing device using framework spring sealing ring Download PDFInfo
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- CN216478902U CN216478902U CN202122822625.4U CN202122822625U CN216478902U CN 216478902 U CN216478902 U CN 216478902U CN 202122822625 U CN202122822625 U CN 202122822625U CN 216478902 U CN216478902 U CN 216478902U
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- 238000007789 sealing Methods 0.000 title claims abstract description 119
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002457 bidirectional effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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Abstract
The utility model provides an use skeleton spring sealing washer's waterproof sealing device of cable end, its includes that a cover is located rubber seal on the cable, a setting is in the two-way groove clamping ring of one side of rubber seal, a setting is in the screw thread clamping ring of one side of two-way groove clamping ring, and a setting is in the skeleton spring sealing washer of one side of screw thread clamping ring. The skeleton spring sealing ring comprises an inner groove rubber ring arranged on one side of the threaded pressing ring and an annular steel skeleton arranged in the inner groove rubber ring. The annular steel skeleton comprises an outer ring and an inner ring which is integrally formed with the outer ring. The outer ring protrudes out of the inner ring in a direction towards the orifice of the anchor connecting cylinder, and the inner ring protrudes out of the outer ring in a direction towards the auxiliary sealing lip. Compared with the traditional rubber sealing ring, the skeleton spring sealing ring has the advantages of better structure rigidity, longer service life, more durable sealing structure and better anti-shaking effect.
Description
Technical Field
The utility model relates to the technical field of anchor protection of a stay cable end, in particular to a waterproof sealing device of the stay cable end by using a framework spring sealing ring.
Background
The guy cable is the main bearing component of bridges and other span structures, and is exposed to the environment of wind, rain, moisture or polluted air for a long time, so the durability of the guy cable directly influences the safety, the economy and the reliability of the bridges. The joint part of the stay cable body and the anchorage is a weak link for preventing corrosion of the stay cable, so that the research on the anchorage protection of the stay cable end becomes a key point of the bridge protection research.
For example, chinese patent CN105256721B discloses a waterproof sealing structure for a cable end of a cable, which uses a sealing cover to perform the first sealing, and uses an elastic sealing ring and a sealing ring to perform the second sealing on the inner wall of a connecting cylinder near the port, so as to finally achieve the sealing performance at the boundary between the cable end of the cable and a PE cable body. However, when the cable body shakes in bad weather, the structure can not ensure the sealing performance between the anchorage device and the cable body.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a waterproof sealing device for a cable end of a cable using a skeleton spring sealing ring to solve the above problems.
The utility model provides an use waterproof sealing device of cable end of skeleton spring sealing washer, its includes that a cover is located rubber seal on the cable, a setting is in the two-way groove clamping ring of one side of rubber seal, a setting is in the screw thread clamping ring of one side of two-way groove clamping ring, and one sets up the skeleton spring sealing washer of one side of screw thread clamping ring. The framework spring sealing ring comprises an inner groove rubber ring arranged on one side of the threaded pressing ring, an annular steel framework arranged in the inner groove rubber ring, and a spring ring arranged on the inner groove rubber ring. The inner groove rubber ring comprises a circle of auxiliary sealing lips, a circle of grooves formed in one side of the auxiliary sealing lips, and a circle of main sealing lips formed in one side of the grooves. The main sealing lip and the auxiliary sealing lip are abutted against the circumferential outer side wall of the inhaul cable. The annular steel skeleton comprises an outer ring and an inner ring which is integrally formed with the outer ring. The outer ring protrudes out of the inner ring towards the direction of the orifice of the anchor connecting cylinder, and the inner ring protrudes out of the outer ring towards the direction of the auxiliary sealing lip. The inner ring is arranged on the outer ring and is provided with a main sealing lip, the inner ring is arranged on the inner ring, the inner ring is arranged on the outer ring, the main sealing lip is arranged on the inner ring, and the spring ring is sleeved in the inner groove.
Furthermore, the stay cable end waterproof sealing device using the framework spring sealing ring further comprises a threaded outer cap arranged on one side of the framework spring sealing ring, and the threads are in threaded connection with the circumferential outer side wall at the hole of the anchor connecting cylinder.
Furthermore, an inner conical surface is arranged inside the anchor connecting cylinder.
Furthermore, part of the circumferential outer side wall of the rubber sealing ring and the inner conical surface are provided with extrusion contact surfaces, and the other part of the circumferential outer side wall of the rubber sealing ring and the circumferential inner side wall of the anchor connecting cylinder facing the hole are provided with extrusion contact surfaces.
Further, two-way groove clamping ring include one set up in the first trough of belt clamping ring of one side of rubber seal, one set up in the second trough of belt clamping ring of one side of first trough of belt clamping ring, place in one place in first rubber circle in the first trough of belt clamping ring, and place in one place in the second rubber circle in the second trough of belt clamping ring.
Furthermore, a first inner groove is formed in one side, facing the inhaul cable, of the first grooved pressing ring, a second inner groove is formed in one side, facing the anchor connecting cylinder, of the second grooved pressing ring, the first rubber ring is arranged in the first inner groove, and the second rubber ring is arranged in the second inner groove.
Furthermore, the first rubber ring and the inhaul cable have extrusion contact surfaces, and the second rubber ring and the circumferential inner side wall of the anchor connecting cylinder have extrusion contact surfaces.
Furthermore, a circle of external threads are formed on the circumferential outer side wall of the threaded pressing ring and are in threaded connection with the circumferential inner side wall of the anchor connecting cylinder.
Compared with the prior art, the stay cable end waterproof sealing device using the skeleton spring sealing ring provided by the utility model has the advantages that the sealing and waterproof performance of the cable body can be kept even if the cable body shakes and shakes through the skeleton spring sealing ring arranged in the anchor connecting cylinder, and the corrosion resistance of the anchor is better protected. The annular steel skeleton prolongs the service life of the structure under the condition of enhancing the stability of the structure. Compared with the traditional rubber sealing ring, the skeleton spring sealing ring has the advantages of better structure rigidity, longer service life, more durable sealing structure and better anti-shaking effect.
Drawings
Fig. 1 is a schematic cross-sectional view of a stay cable end waterproof sealing device using a skeleton spring sealing ring according to the present invention.
Fig. 2 is a schematic cross-sectional view of the skeletal spring sealing ring of the stay cable end waterproof sealing device using the skeletal spring sealing ring of fig. 1.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.
Fig. 1 is a schematic cross-sectional view of a stay cable end waterproof sealing device using a skeleton spring sealing ring according to the present invention. The stay cable end waterproof sealing device using the skeleton spring sealing ring is used for being matched and installed with an anchorage device connecting cylinder 20 sleeved on the cable end of a stay cable 10, so that the purpose of sealing the stay cable 10 and the anchorage device connecting cylinder 20 is achieved. The cable end of the cable 10 is mounted to the anchor by the anchor connector barrel 20 to effect cable fixation. Which is the prior art and is not described in detail herein.
The waterproof sealing device for the stay cable end using the skeleton spring sealing ring comprises a rubber sealing ring 30 sleeved on the stay cable 10, a two-way groove pressing ring 40 arranged on one side of the rubber sealing ring 30, a thread pressing ring 50 arranged on one side of the two-way groove pressing ring 40, a skeleton spring sealing ring 60 arranged on one side of the thread pressing ring 50, and a thread outer cap 70 arranged on one side of the skeleton spring sealing ring 60 and in threaded connection with the circumferential outer side wall of the anchor connecting cylinder 20. It is conceivable that the stay cable end waterproof sealing device using the skeleton spring sealing ring further includes other functional modules, such as a sealant disposed between the sealing device and the stay cable 10, which is well known to those skilled in the art and will not be described herein again.
An inner conical surface 21 is arranged in the anchor connecting cylinder 20, the anchor connecting cylinder 20 is divided into two inner cylinders with different apertures by the inner conical surface 21, and the inner cylinder with a large aperture is close to the position of the aperture of the anchor connecting cylinder 20.
The circumferential outer side wall of the rubber seal ring 30 has a press contact surface with the inner conical surface 21, and the rest of the circumferential outer side wall of the rubber seal ring 30 has a press contact surface with the circumferential inner side wall of the inner cylinder with the large aperture.
The bidirectional grooved pressing ring 40 includes a first grooved pressing ring 41 provided on one side of the rubber seal ring 30, a second grooved pressing ring 42 provided on one side of the first grooved pressing ring 41, a first rubber ring 43 built in the first grooved pressing ring 41, and a second rubber ring 44 built in the second grooved pressing ring 42.
A first inner groove 411 is formed in the first grooved clamp ring 41 facing the cable 10, and a second inner groove 421 is formed in the second grooved clamp ring 42 facing the anchor connector 20. The first rubber ring 43 is disposed in the first inner groove 411, and the second rubber ring 44 is disposed in the second inner groove 421.
The first rubber ring 43 has a pressing contact surface with the cable 10, thereby ensuring the sealing and waterproof performance between the bidirectional groove pressing ring 40 and the cable 10.
The second rubber ring 44 has a compressive contact surface with the circumferential inner sidewall of the large-aperture inner cylinder of the anchor connecting cylinder 20, thereby ensuring the sealing and waterproof properties between the bidirectional groove pressing ring 40 and the anchor connecting cylinder 20.
The circumferential outer side wall of the threaded pressing ring 50 is provided with a circle of external threads 51, the external threads 51 are in threaded connection with the circumferential inner side wall of the anchor connecting cylinder 20, and then the rubber seal ring 30 and the bidirectional groove pressing ring 40 are fixed and extruded into the anchor connecting cylinder 20. The degree of compression of the rubber seal ring 30 can be changed by rotating the threaded pressing ring 50, so that the sealing property at the rubber seal ring 30 can be ensured.
Referring to fig. 2, the skeleton spring seal ring 60 includes an inner groove rubber ring 61 disposed at one side of the threaded pressing ring 50, an annular steel skeleton 62 disposed in the inner groove rubber ring 61, and a spring ring 63 disposed on the inner groove rubber ring 61.
The middle of the inner circumferential surface of the inner groove rubber ring 61 is provided with a groove 611, and the groove 611 divides the inner circumferential surface of the inner groove rubber ring 61 into a main seal lip 612 and a sub seal lip 613. The primary seal lip 612 and the secondary seal lip 613 abut against the circumferential outer side wall of the cable 10 to ensure the sealing property between the skeleton spring seal ring 60 and the cable end of the cable 10, thereby achieving the waterproof sealing between the cable 10 and the anchor connecting cylinder 20.
The annular steel skeleton 62 surrounds the cable 10, and includes an outer ring 621 and an inner ring 622 integrally formed with the outer ring 621, and the section of the annular steel skeleton 62 is L-shaped. The outer ring 621 protrudes from the inner ring 622 in a direction towards the aperture of the anchor connector barrel 20, and the inner ring 622 protrudes from the outer ring 621 in a direction towards the secondary sealing lip 613. The annular steel skeleton 62 helps to stabilize the structure of the skeleton spring seal ring 60, enhance the anti-shake effect, improve the structural rigidity and prolong the service life.
An inner groove 614 is formed on an axial side surface of the inner groove rubber ring 61, the inner groove 611 is formed on a side of the outer ring 621 facing the main seal lip 613, and the inner groove 611 is located on a side of the inner ring 622. The spring ring 63 is sleeved in the inner groove 611, which facilitates the close contact between the primary seal lip 613 and the outer side wall of the cable 10.
When the cable body shakes, at the moment that the skeleton spring seal ring 60 shakes towards the same side with the inhaul cable 10, the annular steel skeleton 62 moves towards the shaking direction, and is subjected to the reverse thrust of the anchorage device connecting cylinder 20, the stress area is large, the pressure intensity is small, and the pressure effect of the annular steel skeleton 62 on the anchorage device connecting cylinder 20 is not obvious. The spring ring 63 pushes the main sealing lip 612 towards the shaking direction, the stress area is small, the pressure is strong, the main sealing lip 612 has an obvious pressure effect on the stay cable 10, and the sealing waterproofness between the main sealing lip 612 and the cable body of the stay cable 10 is ensured at the shaking moment.
The threaded outer cap 70 is threadedly coupled to the circumferential outer sidewall of the opening of the anchor connector barrel 20 to secure the skeletal spring seal ring 60 such that the skeletal spring seal ring 60 is not thrown out of the anchor connector barrel 20 during vibration.
In another embodiment, a heat shrink sleeve 80 is provided around the circumference of the outer side walls of the anchor connector barrel 20 and the threaded cap 70 to further enhance the sealing and waterproof properties of the device.
Compared with the prior art, the stay cable end waterproof sealing device using the skeleton spring sealing ring provided by the utility model has the advantages that the skeleton spring sealing ring 60 arranged inside the anchor connecting cylinder enables the cable body to keep the sealing and waterproof performance even if the cable body shakes and shakes, so that the corrosion resistance of the anchor is better protected. The annular steel skeleton 62 enhances the stability of the structure and prolongs the service life of the device. Compared with the traditional rubber sealing ring, the skeleton spring sealing ring 60 has the advantages of better structure rigidity, longer service life, more durable sealing structure and better anti-shaking effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (8)
1. The utility model provides an use waterproof sealing device of cable end of skeleton spring sealing washer for establish the installation that cooperatees with the ground tackle connecting cylinder of establishing on the cable end of a cable, its characterized in that: the waterproof sealing device for the cable end of the inhaul cable using the skeleton spring sealing ring comprises a rubber sealing ring sleeved on the inhaul cable, a two-way groove pressing ring arranged on one side of the rubber sealing ring, a thread pressing ring arranged on one side of the two-way groove pressing ring, and a skeleton spring sealing ring arranged on one side of the thread pressing ring, wherein the skeleton spring sealing ring comprises an inner groove rubber ring arranged on one side of the thread pressing ring, an annular steel skeleton arranged in the inner groove rubber ring, and a spring ring arranged on the inner groove rubber ring, the inner groove rubber ring comprises a circle of secondary sealing lips, a circle of grooves arranged on one side of the secondary sealing lips, a circle of main sealing lips arranged on one side of the grooves, and the main sealing lips and the secondary sealing lips are abutted on the circumferential outer side wall of the inhaul cable, the annular steel skeleton comprises an outer ring and an inner ring integrally formed with the outer ring, the outer ring faces the orifice of the anchor connecting cylinder, and protrudes out of the inner ring, the inner ring faces the auxiliary sealing lip, protrudes out of the outer ring, a circle of inner groove is formed in the axial side face of the inner groove rubber ring, the inner groove is formed in one side of the main sealing lip, faces the outer ring, is located in one side of the inner ring, and the spring ring is sleeved in the inner groove.
2. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 1, wherein: the stay cable end waterproof sealing device using the skeleton spring sealing ring further comprises a thread outer cap arranged on one side of the skeleton spring sealing ring, and the thread is in threaded connection with the circumferential outer side wall of the hole of the anchor connecting cylinder.
3. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 1, wherein: an inner conical surface is arranged in the anchor connecting cylinder.
4. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 3, wherein: and part of circumferential outer side wall of the rubber sealing ring and the inner conical surface are provided with extrusion contact surfaces, and the other part of circumferential outer side wall of the rubber sealing ring and the circumferential inner side wall of the anchor connecting cylinder facing the orifice are provided with extrusion contact surfaces.
5. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 1, wherein: the two-way groove clamping ring includes one set up in the first trough of belt clamping ring of one side of rubber seal, one set up in the second trough of belt clamping ring of one side of first trough of belt clamping ring is placed in one place first rubber circle in the first trough of belt clamping ring to and place in one second rubber circle in the second trough of belt clamping ring.
6. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 5, wherein: the first grooved pressing ring is provided with a first inner groove towards one side of the inhaul cable, the second grooved pressing ring is provided with a second inner groove towards one side of the anchorage device connecting cylinder, the first rubber ring is arranged in the first inner groove, and the second rubber ring is arranged in the second inner groove.
7. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 5, wherein: the first rubber ring and the inhaul cable are provided with extrusion contact surfaces, and the second rubber ring and the circumferential inner side wall of the anchor connecting cylinder are provided with extrusion contact surfaces.
8. The stay cable end waterproof sealing device using the framework spring sealing ring according to claim 1, wherein: and a circle of external threads are arranged on the circumferential outer side wall of the threaded pressing ring and are in threaded connection with the circumferential inner side wall of the anchor connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822625.4U CN216478902U (en) | 2021-11-17 | 2021-11-17 | Inhaul cable end waterproof sealing device using framework spring sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822625.4U CN216478902U (en) | 2021-11-17 | 2021-11-17 | Inhaul cable end waterproof sealing device using framework spring sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478902U true CN216478902U (en) | 2022-05-10 |
Family
ID=81395350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122822625.4U Active CN216478902U (en) | 2021-11-17 | 2021-11-17 | Inhaul cable end waterproof sealing device using framework spring sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478902U (en) |
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2021
- 2021-11-17 CN CN202122822625.4U patent/CN216478902U/en active Active
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