CN210074674U - Waterproof device of communication base station iron tower cable protective pipe - Google Patents
Waterproof device of communication base station iron tower cable protective pipe Download PDFInfo
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- CN210074674U CN210074674U CN201921006206.XU CN201921006206U CN210074674U CN 210074674 U CN210074674 U CN 210074674U CN 201921006206 U CN201921006206 U CN 201921006206U CN 210074674 U CN210074674 U CN 210074674U
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- cable
- conical upper
- waterproof
- protective pipe
- waterproof device
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Abstract
A waterproof device of a cable protective pipe of a communication base station iron tower is characterized in that a cable is led in from one end with a small caliber of a conical upper sleeve and led out through a columnar lower sleeve, then the cable is led into the protective pipe through a wire leading device and led underground, and after the cable is led in place, the columnar lower sleeve of the waterproof device is firmly sleeved on the part, exposed on the ground, of the protective pipe. Because the conical upper sleeve and the cylindrical lower sleeve are made of the neoprene, the waterproof device cannot expand with heat and contract with cold due to the influence of the environment and is prevented from being damaged and losing the waterproof effect due to the expansion with heat and the contraction with cold based on the excellent characteristics of the neoprene, meanwhile, the waterproof device is effectively prevented from losing the waterproof effect due to weathering, the waterproof device is ensured to have good waterproof effect, water is prevented from flowing into a cable well after flowing through a protective pipe, the cable is prevented from being damaged due to bubbles, and the use safety of the cable is ensured; because of the direct cover of water repellent's column lower cover is firm on the protective tube, consequently the burr on the protective tube can not harm water repellent, further plays waterproof effect.
Description
Technical Field
The utility model relates to a watertight fittings of communication base station iron tower cable protective tube.
Background
Communication base station iron tower is as the equipment of high-speed railway communication, and its cable need be followed the iron tower and introduced the underground, in order to prevent that the cable from catching fire or suffering destruction, still need wrap up the protective tube at the cable surface, like galvanized steel pipe etc. the mode that adopts waterproof clay cooperation sticky tape usually twines in the mouth of pipe department of protective tube to avoid liquid such as water to get into in the protective tube, realize waterproof effect.
However, the above-mentioned waterproof manner also has corresponding disadvantages: firstly, the protective pipe is made of a steel pipe, burrs are generated on the end face of the pipe orifice after the pipe orifice is cut without being polished or being polished unevenly, and when an adhesive tape is wound, the adhesive tape is easily pricked, so that the waterproof effect is seriously influenced; secondly, one end of the protective pipe is often exposed to the environment, and the waterproof daub is cracked and dislocated due to expansion with heat and contraction with cold, so that the waterproof effect cannot be achieved; thirdly, through field investigation, the weathering period of the waterproof daub and the adhesive tape is about 6 months to 10 months, and the weathered waterproof daub and the weathered adhesive tape lose the waterproof function. After the waterproof failure, water easily flows into the cable well from the pipe orifice of the protective pipe, accumulated water is formed in the well, the cable in the well is soaked in the water for a long time and is easy to damage, great potential safety hazards are generated, manual irregular inspection and maintenance are needed for avoiding the potential safety hazards, and the workload is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effective waterproof device of communication base station iron tower cable protective tube.
The utility model relates to a waterproof device of a cable protective pipe of a communication base station iron tower, which comprises a conical upper sleeve and a columnar lower sleeve, wherein one end with a large caliber of the conical upper sleeve is butted with one end of the columnar lower sleeve, and the conical upper sleeve and the columnar lower sleeve are connected into a whole; one end with a small caliber of the conical upper sleeve is matched with the outer diameter of the cable, and the inner diameter of the cylindrical lower sleeve is matched with the outer diameter of the protective pipe; the conical upper sleeve and the cylindrical lower sleeve are both made of neoprene.
A watertight fittings of communication base station iron tower cable protective tube, introduce the small-bore one end of cover on by the taper with the cable to draw forth through the column lower cover, the cable is introduced in the protective tube and is introduced the underground by the lead wire ware afterwards, the cable guide back that targets in place overlaps the jail under watertight fittings's column on the part that the protective tube exposes above ground. Because the conical upper sleeve and the cylindrical lower sleeve are made of the neoprene, and based on the material characteristics of the neoprene, the waterproof device has the excellent characteristics of oxidation resistance, flame resistance, self-extinguishing after ignition, oil resistance, solvent resistance, aging resistance, good air tightness and the like, the waterproof device cannot expand with heat and contract with cold due to the influence of the environment, the damage of the waterproof device due to expansion with heat and contraction with cold and the loss of the waterproof effect are avoided, meanwhile, the waterproof device is effectively prevented from losing the waterproof effect due to weathering, the waterproof device is ensured to have good waterproof effect, water is prevented from flowing into a cable well after flowing through a protective tube, the cable is prevented from being damaged due to water soaking, and the use safety of the cable is ensured; the columnar lower sleeve of the waterproof device is directly and firmly sleeved on the protective pipe, so that burrs on the protective pipe cannot damage the waterproof device, and the waterproof effect is further achieved; in addition, the conical upper sleeve is adopted, the diameter of the small-caliber end of the conical upper sleeve can be changed by cutting the small-caliber end of the conical upper sleeve circularly according to different cable diameters, so that the cable sheath is suitable for cables with different diameters, and the application range is wider.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation structure of the present invention.
Detailed Description
A waterproof device of a cable protective pipe of a communication base station iron tower is shown in figures 1 and 2 and comprises a conical upper sleeve 1 and a cylindrical lower sleeve 2, wherein one end with a large caliber of the conical upper sleeve 1 is butted with one end of the cylindrical lower sleeve 2, and the conical upper sleeve 1 and the cylindrical lower sleeve 2 are connected into a whole; one end with a small caliber of the conical upper sleeve 1 is matched with the outer diameter of the cable 3, and the inner diameter of the columnar lower sleeve 2 is matched with the outer diameter of the protective pipe 4; the conical upper sleeve 1 and the cylindrical lower sleeve 2 are both made of neoprene or thermal shrinkage material.
The outer side wall surface of one end with small caliber of the conical upper sleeve 1 is provided with a plurality of circles of annular tangent lines 5 at intervals, and after the diameter of the cable 3 is determined, the small caliber suitable for the diameter of the cable 3 can be obtained by using a cutter and the like to perform circular cutting along the annular tangent lines 5. Because 5 intervals of the cyclic annular tangent line of many circles set up, can be according to the interval volume size, confirm the circular cutting volume, it is more practical convenient.
The interval of adjacent cyclic annular tangent line 5 is 1mm, and every circular cutting round promptly, the internal diameter increase 1mm of small-bore one end through the fine setting to adapt to 3 external diameters of cable, more meticulous accuracy.
The wall thicknesses of the conical upper sleeve 1 and the cylindrical lower sleeve 2 are both 2.5 mm.
When preparing to introduce the cable 3, firstly cutting the inner diameter of the small-caliber end of the conical upper sleeve 1 of the waterproof device according to the actual diameter of the cable 3, in order to avoid the friction between the cable 3 and the small-caliber end of the conical upper sleeve 1 when the cable 3 is introduced, smearing a lubricant on the small-caliber end of the conical upper sleeve 1, then introducing the cable 3 from the small-caliber end and leading the cable 3 into the protective tube 4 through the lead device, smearing the lubricant on the inner wall of the conical upper sleeve 1 of the waterproof device after the cable 3 is introduced in place, firmly sleeving the cylindrical lower sleeve 2 of the waterproof device on the protective tube 4 to carry out waterproof and airtight sealing on the end part of the protective tube 4 so as to realize good waterproof effect, smearing the lubricant on the inner wall of the conical upper sleeve 1 so as to avoid the friction between the end part of the protective tube 4 and the inner wall of the conical upper sleeve 1 when the end part of the protective tube is inserted into the conical upper sleeve 1, effectively avoiding the conical upper sleeve 1 from being damaged by the end part of the protective tube 4 and burrs thereof. After the waterproof device in this application has been used, not only simplified the construction, made the installation more pleasing to the eye outward appearance after accomplishing, also effectively reduced the number of times of manual inspection, labour saving and time saving, later maintenance cost is also low.
Claims (4)
1. The utility model provides a watertight fittings of communication base station iron tower cable protective tube which characterized in that: the device comprises a conical upper sleeve (1) and a cylindrical lower sleeve (2), wherein one end with a large caliber of the conical upper sleeve (1) is butted with one end of the cylindrical lower sleeve (2), and the conical upper sleeve (1) and the cylindrical lower sleeve (2) are connected into a whole; one end with a small caliber of the conical upper sleeve (1) is matched with the outer diameter of the cable (3), and the inner diameter of the cylindrical lower sleeve (2) is matched with the outer diameter of the protective pipe (4); the conical upper sleeve (1) and the cylindrical lower sleeve (2) are both made of neoprene or thermal shrinkage material.
2. The waterproof device of the communication base station iron tower cable protective pipe according to claim 1, characterized in that: the outer side wall surface of the small-caliber end of the conical upper sleeve (1) is provided with a plurality of circles of annular tangent lines (5) at intervals.
3. The waterproof device of the communication base station iron tower cable protective pipe according to claim 2, characterized in that: the distance between adjacent annular tangent lines (5) is 1 mm.
4. The waterproof device for the protective pipe of the communication base station iron tower cable according to any one of the claims 1-3, characterized in that: the wall thicknesses of the conical upper sleeve (1) and the cylindrical lower sleeve (2) are both 2.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006206.XU CN210074674U (en) | 2019-07-01 | 2019-07-01 | Waterproof device of communication base station iron tower cable protective pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006206.XU CN210074674U (en) | 2019-07-01 | 2019-07-01 | Waterproof device of communication base station iron tower cable protective pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210074674U true CN210074674U (en) | 2020-02-14 |
Family
ID=69429343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921006206.XU Active CN210074674U (en) | 2019-07-01 | 2019-07-01 | Waterproof device of communication base station iron tower cable protective pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210074674U (en) |
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2019
- 2019-07-01 CN CN201921006206.XU patent/CN210074674U/en active Active
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