CN107294015B - Leakage coaxial cable fireproof lifting appliance with self-locking function - Google Patents
Leakage coaxial cable fireproof lifting appliance with self-locking function Download PDFInfo
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- CN107294015B CN107294015B CN201710575604.2A CN201710575604A CN107294015B CN 107294015 B CN107294015 B CN 107294015B CN 201710575604 A CN201710575604 A CN 201710575604A CN 107294015 B CN107294015 B CN 107294015B
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- 239000002184 metal Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 239000004677 Nylon Substances 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
Abstract
The invention discloses a leakage coaxial cable fireproof lifting appliance with a self-locking function, which utilizes two symmetrically arranged first vertical plates and second vertical plates and a self-locking mechanism arranged on the first vertical plates and the second vertical plates to form a locking part for locking a fixing part, wherein the self-locking mechanism comprises a plugboard, an L-shaped clamping board and a clamping hook, the plugboard is horizontally arranged at the upper end of the first vertical plates, the transverse part of the L-shaped clamping board is horizontally arranged at the upper end of the second vertical plates, the lower ends of the first vertical plates and the second vertical plates are respectively connected with the upper ends of two arc-shaped plates, the vertical parts of the L-shaped clamping boards are provided with insertion holes for allowing the free ends of the plugboards to pass through, the clamping hook is arranged on the transverse part of the L-shaped clamping board, and when the self-locking mechanism is used, the plugboard is inserted into the insertion holes and the clamping hook to clamp the fixing part, so that the locking of the fixing part can be completed.
Description
Technical Field
The invention relates to the technical field of leaky cable fixing devices in urban rail transit common-speed and high-speed railway wireless communication systems, in particular to a leaky coaxial cable fireproof lifting appliance with a self-locking function.
Background
The leakage coaxial cable is fixed in a hanger mode, a set of common hangers are installed every 1-1.3 m, every nine sets of common hangers are installed, a set of fireproof hangers are installed, and the function of the fireproof hangers is to ensure that the leakage coaxial cable does not fall off from a wall under the condition of fire disaster; typical structures of the existing leaky coaxial cable fireproof lifting appliance have two forms of wire type and plate type; as shown in fig. 1, the metal fireproof ring in the linear structure form consists of a U-shaped ring 14, a metal connecting plate 15 and a fixing nut 16, the metal fireproof ring is made of carbon steel, the metal fireproof ring is subjected to anticorrosion treatment through galvanization process treatment, the metal fireproof ring is used in a wet environment in a tunnel for a long time, the screw threads and the nut can be rusted, in the later maintenance process, the fixing nut 16 cannot be removed from the U-shaped ring 14, only the U-shaped ring 14 is sawed, the leaky coaxial cable can be removed and maintained, the maintenance is very inconvenient, and the cable can be sawed to cause damage if the metal ring is sawed slightly carelessly in the process of sawing the metal ring; when the U-shaped ring 14 is fixed in the mode, the flat gasket, the spring gasket and the hexagonal nut are required to be respectively arranged at the two ends of the U-shaped ring 14, the installation height of the leaky coaxial cable in a tunnel is more than 4.2 meters, the high-altitude operation is very inconvenient, the phenomenon that the flat gasket, the spring gasket and the hexagonal nut fall off frequently occurs, and due to the very bad lighting conditions in the tunnel, the fallen nut is difficult to find, and by adopting the installation mode, the construction is inconvenient on one hand, and the construction efficiency is lower; on the other hand, the fasteners fall off in the installation process, so that great waste is caused; on the other hand, due to the piston effect of the train when running in the tunnel, the installed fastener is easy to loose under the action of long-term fatigue vibration load, so that the leaky coaxial cable is caused to fall off, and potential safety hazards are caused to the running of the train; more important, if the falling fastener is not cleaned during installation, any fastener such as a falling flat washer, a spring washer, a nut and the like looks like a flying bullet under the pneumatic effect when a train passes through a tunnel at a high speed, so that the driving safety is endangered; as shown in fig. 2, the plate-shaped structural metal fireproof ring comprises a metal upper ring 17, a metal lower ring 19 and a fixing bolt 18, wherein the metal upper ring 17 and the metal lower ring 19 are formed by pressing 304 stainless steel plates, the width is about 25mm, and the defect of the linear structural metal fireproof ring still exists in the mode.
Therefore, a new leakage coaxial cable fireproof lifting appliance needs to be designed, the defects of the fireproof lifting appliance are overcome, and the construction requirements of the leakage coaxial cable are met.
Disclosure of Invention
The invention aims to provide a leakage coaxial cable fireproof lifting appliance with a self-locking function, which can perform self-locking fixation on a leakage coaxial cable without using fastening pieces such as a locking bolt and the like, reduces potential safety hazards of train running caused by falling of the fastening pieces, and is very convenient to detach and install.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a leakage coaxial cable fire prevention hoist with self-locking function, includes the fixed part that is used for fixed leakage coaxial cable, sets up the hasp portion that is used for locking fixed part in fixed part upper end and sets up the supporting part that is used for supporting hasp portion in fixed part lower extreme; the fixing part comprises two arc-shaped plates which are symmetrically arranged, and a clamping groove for fixing the leaky coaxial cable is formed between the inner cambered surfaces of the two arc-shaped plates; the locking part comprises a first vertical plate and a second vertical plate which are symmetrically arranged, and a self-locking mechanism arranged on the first vertical plate and the second vertical plate; the self-locking mechanism comprises a plugboard, an L-shaped clamping board and a clamping hook, wherein the plugboard is horizontally arranged at the upper end of the first vertical board, one end of the plugboard is fixedly connected with the upper end of the first vertical board, the horizontal part of the L-shaped clamping board is horizontally arranged at the upper end of the second vertical board, the free end of the horizontal part of the L-shaped clamping board is fixedly connected with the upper end of the second vertical board, the lower ends of the first vertical board and the second vertical board are respectively connected with the upper ends of the two arc-shaped boards, the free end of the plugboard and the vertical part of the L-shaped clamping board are both positioned between the first vertical board and the second vertical board, an inserting hole for the free end of the plugboard to pass through is formed in the vertical part of the L-shaped clamping board, and the clamping hook is arranged on the horizontal part of the L-shaped clamping board, and a clamping hole matched with the clamping hook is formed in the free end of the plugboard.
Further the supporting part comprises two supporting plates which are symmetrically arranged and a connecting plate which is connected with the lower ends of the two supporting plates, the upper ends of the two supporting plates are respectively connected with the lower ends of the two arc-shaped plates, and the connecting plate is provided with an assembly hole for installing a metal connecting rod.
Further, the connecting plate and the two support plates form a square U-shaped structure, and a positioning groove for determining the signal radiation direction of the leaky coaxial cable is formed between the two support plates.
Further, the two support plates all include circular arc portion and the vertical portion of setting in circular arc lower extreme, and the intrados of the circular arc portion of two support plates all faces the outside, and the upper end of the circular arc portion of two support plates is connected with the lower extreme smooth of two arc plates respectively, and the vertical portion of two support plates constitutes square U type structure with the connecting plate.
Further, the jack is a rectangular hole, and the height of the top end of the clamping hook relative to the transverse part of the L-shaped clamping plate is larger than the height of the jack.
Further, the length of the orthographic projection of the clamping hook on the transverse part of the L-shaped clamping plate is larger than the length between the joint of the clamping hook and the transverse part of the L-shaped clamping plate and the vertical part of the L-shaped clamping plate.
Further, the height difference between the height of the top end of the clamping hook relative to the transverse part of the L-shaped clamping plate and the height of the jack is larger than 0.5mm.
Further the height of the insertion hole is smaller than twice the thickness of the free end of the insertion plate.
The invention utilizes two symmetrically arranged arc plates to form a fixing part for fixing the leaky coaxial cable; the utility model provides a self-locking nut, the lock nut is characterized in that the lock nut is fixed to the side of the lock nut, utilize two first risers and the second riser that the symmetry set up, and the self-locking mechanism who sets up on first riser and second riser constitutes the hasp portion that is used for locking fixed part, self-locking mechanism includes the picture peg, L type cardboard and trip, the picture peg level sets up in first riser upper end and the one end and the upper end fixed connection of first riser of picture peg, the horizontal portion level of L type cardboard sets up in second riser upper end and the free end and the upper end fixed connection of second riser of the horizontal portion of L type cardboard, the lower extreme of first riser and second riser is connected with the upper end of two arc respectively, be provided with the jack that is used for the free end of picture peg to pass through on the riser of L type cardboard, the trip sets up on the horizontal portion of L type cardboard, be provided with the draw-in hole that the trip cooperatees, constitute the structure through picture peg, trip, during the use, only need insert the picture peg in the jack, then with the trip joint can accomplish the whole gasket that locks the closure fixed part with the trip, the nut is not needed in the subsequent to make the vehicle and the lock nut is with the side of falling down, the lock nut is avoided in the following the course of using, the lock nut is safe to the following the vehicle, the nut is used to the side of the nut is safe to the nut.
The support part further comprises two support plates which are symmetrically arranged and a connecting plate which is connected with the lower ends of the two support plates, the upper ends of the two support plates are respectively connected with the lower ends of the two arc-shaped plates, the connecting plate and the two support plates form a square U-shaped structure, a positioning groove for determining the signal radiation direction of the leaky coaxial cable is formed between the two support plates, and the positioning groove can clamp the identification card of the leaky coaxial cable into the positioning groove to position the signal radiation direction of the leaky coaxial cable when the leaky coaxial cable is installed.
Further, through the optimal design of the supporting parts, the two supporting plates comprise arc parts and vertical parts arranged at the lower ends of the arc parts, the inner cambered surfaces of the arc parts of the two supporting plates face to the outer sides, the upper ends of the arc parts of the two supporting plates are respectively and smoothly connected with the lower ends of the two arc plates, and the vertical parts of the two supporting plates and the connecting plate form a square U-shaped structure; the clamping force of the two arc plates on the leaky coaxial cable can be increased by the arc parts, the vertical parts of the two support plates and the connecting plate form a square U-shaped structure, the base of the common nylon clamping beam lifting tool in the prior art can be arranged in the vertical parts, and the leaky coaxial cable is fixed more firmly by the double fixing effect of the fireproof lifting tool and the nylon clamping beam lifting tool, so that the device is suitable for mounting and fixing the leaky coaxial cable in a high-speed railway.
Further, the top of the clamping hook is higher than the jack relative to the horizontal part of the L-shaped clamping plate, the length of the orthogonal projection of the clamping hook on the horizontal part of the L-shaped clamping plate is longer than the length between the joint of the clamping hook and the horizontal part of the L-shaped clamping plate and the vertical part of the L-shaped clamping plate, when the leaky coaxial cable is clamped between the two arc plates and subjected to lateral force, the inserting plate pulls the clamping hook outwards, once the clamping hook is deformed due to overlarge stress, the clamping hook is pulled to the vertical part of the L-shaped clamping plate, and the clamping hook, the jack and the vertical part of the L-shaped clamping plate form a second lock catch, so that the bearing capacity strength of the device is greatly improved.
Drawings
Fig. 1 is a schematic structural view of a wire-type fire-proof sling in the prior art;
fig. 2 is a schematic structural view of a plate-shaped fire-proof sling in the prior art;
fig. 3 is a schematic perspective view of a first embodiment of the present invention;
fig. 4 is a front view of a first embodiment of the present invention;
FIG. 5 is a right side view of a first embodiment of the present invention;
FIG. 6 is an enlarged view of s in FIG. 4;
FIG. 7 is an enlarged view at p in FIG. 5;
fig. 8 is a schematic perspective view of a second embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and the embodiment, wherein in the first embodiment, as shown in fig. 3, 4, 5, 6 and 7, a leaky coaxial cable fireproof lifting appliance with a self-locking function comprises a fixing part for fixing a leaky coaxial cable, a locking part arranged at the upper end of the fixing part and used for locking the fixing part, and a supporting part arranged at the lower end of the fixing part and used for supporting the locking part.
The fixing part comprises two arc-shaped plates 4 which are symmetrically arranged, and a clamping groove for fixing the leaky coaxial cable is formed between the inner cambered surfaces of the two arc-shaped plates 4; the locking part comprises a first vertical plate 5a and a second vertical plate 5b which are symmetrically arranged, and a self-locking mechanism arranged on the first vertical plate 5a and the second vertical plate 5 b; the self-locking mechanism comprises a plugboard 6, an L-shaped clamping plate 11 and a clamping hook 10, wherein the plugboard 6 is horizontally arranged at the upper end of the first vertical plate 5a, one end of the plugboard 6 is fixedly connected with the upper end of the first vertical plate 5a, the transverse part of the L-shaped clamping plate 11 is horizontally arranged at the upper end of the second vertical plate 5b, the free end of the transverse part of the L-shaped clamping plate is fixedly connected with the upper end of the second vertical plate 5b, the lower ends of the first vertical plate 5a and the second vertical plate 5b are respectively connected with the upper ends of the two arc plates 4, the free end of the plugboard 6 and the vertical part of the L-shaped clamping plate 11 are respectively positioned between the first vertical plate 5a and the second vertical plate 5b, the free end of the L-shaped clamping plate 11 is provided with a jack 8 through which the free end of the plugboard 6 passes, the clamping hook 10 is arranged on the transverse part of the L-shaped clamping plate 11, the effective part of the clamping hook 10 can be an arc surface or an inclined surface, the effective part of the clamping hook 10 is back to the direction of the vertical part of the L-shaped clamping plate 11, the free end of the plugboard 6 is provided with a clamping hook 10, and the free end of the plugboard is matched with the clamping hook 10 is only needs to be inserted into a jack 9 in a hole of a flat-shaped gasket and a gasket is not required to be locked in a normal process when the plugboard is used, and a screw is fastened with the jack or a nut is required to be screwed in the whole process, and a normal process, and is used for a nut is required to be fastened; the middle part of picture peg 6 can set up at least one leak hole 7 that is used for the weeping, and during the use, the notch of leaking coaxial cable corresponds with leaking hole 7, because fire prevention hoist is generally made for metal material, leak hole 7 can ensure that the wireless communication signal of leaking coaxial cable outside radiation does not receive the influence because of increasing metal fire prevention hoist.
The support part comprises two symmetrically arranged support plates 3 and a connecting plate 2 connected with the lower ends of the two support plates 3, and the upper ends of the two support plates 3 are respectively connected with the lower ends of the two arc plates 4; the connecting plate 2 and the two support plates 3 form a square U-shaped structure, and a positioning groove 12 for determining the signal radiation direction of the leaky coaxial cable is formed between the two support plates 3; the connecting plate 2 is provided with an assembly hole 1, and is connected with the assembly hole 1 through a metal connecting rod during installation, and then the metal connecting rod is connected with an anchor bolt fixed on the tunnel wall to complete the fixation of the device.
The jack 8 is a rectangular hole, the height b of the top end of the hook 10 relative to the transverse part of the L-shaped clamping plate 11 is larger than the height a of the jack 8, and preferably the height difference between the height b of the top end of the hook 10 relative to the transverse part of the L-shaped clamping plate 11 and the height a of the jack 8 is larger than 0.5mm; the length e of the orthographic projection of the clamping hook 10 on the transverse part of the L-shaped clamping plate 11 is larger than the length d between the joint of the clamping hook 10 and the transverse part of the L-shaped clamping plate 11 and the vertical part of the L-shaped clamping plate 11; when the leaky coaxial cable is clamped between the two arc plates 4 and receives lateral force, the inserting plate 6 pulls the clamping hook 10 outwards, once the clamping hook 10 is deformed due to overlarge force, the clamping hook 10 is pulled to the vertical part of the L-shaped clamping plate 11, the clamping hook 10, the inserting hole 8 and the vertical part of the L-shaped clamping plate 11 form a second lock catch, and the bearing capacity strength of the device is greatly improved.
The cross section of the free end of the plugboard 6 is rectangular, the difference between the width of the plugboard 8 and the width of the free end of the plugboard 6 is 0.2-1.5 mm, the height of the plugboard 8 is smaller than twice the thickness of the free end of the plugboard 6, so that the plugboard 6 is free to be clamped with and detached from the hook 10 through the plugboard 8, in addition, when the plugboard 6 passes through the plugboard 8 for a time and is not locked with the hook 10, the free end of the plugboard 8 is positioned on the upper surface of the hook 10, at the moment, the plugboard 8 is pressed upwards by the hook 10 at the contact position of the plugboard 8 and the plugboard 8, and the plugboard 8 is pressed downwards by the plugboard 8, so that a moment arm is formed on the plugboard 6, and the plugboard 6 is not easy to be separated from the plugboard 8 under the state.
In the second embodiment, as shown in fig. 8, the fixing portion and the locking portion of the fireproof lifting appliance are consistent with those of the first embodiment, the supporting portion of the fireproof lifting appliance comprises two symmetrically arranged supporting plates 3 and a connecting plate 2 connected with the lower ends of the two supporting plates 3, the upper ends of the two supporting plates 3 are respectively connected with the lower ends of the two arc plates 4, the two supporting plates 3 respectively comprise an arc portion 3b and a vertical portion 3a arranged at the lower end of the arc portion 3b, the inner cambered surfaces of the arc portions 3b of the two supporting plates 3 face outwards, the upper ends of the arc portions 3b of the two supporting plates 3 are respectively and smoothly connected with the lower ends of the two arc plates 4, the vertical portions 3a of the two supporting plates 3 and the connecting plate 2 form a square U-shaped structure, the arc portions 3b can increase the clamping force of the two arc plates 4 on a leaky coaxial cable, when the fixing mechanism of the leaky coaxial cable is formed by the base of a common nylon clamping beam lifting appliance in the prior art between the vertical portions 3a, the nylon clamping beam lifting appliance and the nylon clamping beam lifting appliance jointly, and the anti-leakage coaxial cable is mounted through the positioning groove of the nylon clamping beam, and the anti-leakage coaxial cable is more firmly fixed, and the anti-leakage coaxial cable is realized, and the anti-leakage coaxial cable is more stable, and the anti-leakage coaxial cable is stable, and high-axial.
In the two embodiments, the fireproof lifting appliance is of an integrated structure formed by punching high-elasticity and high-toughness 304 high-quality stainless steel, under a fireproof working condition, the fireproof bearing capacity reaches 500N, the fireproof lifting appliance is in close contact with the leaky coaxial cable, and the fireproof lifting appliance has a certain axial pull-out force of the leaky coaxial cable, so that friction between the fireproof ring and the surface of the leaky coaxial cable sheath is prevented from damaging the surface quality of the sheath during fatigue vibration; when the anti-theft device is used, the fireproof lifting appliance is connected with the metal connecting rod fixed on the tunnel wall, then the leaky coaxial cable is clamped between the two arc plates 4, then the free end of the plate plug 6 is inserted into the jack 8, the clamping hook 10 is clamped with the clamping hole 9, and the whole fireproof lifting appliance has a self-locking function and cannot be automatically separated, so that the leaky coaxial cable is convenient for constructors to detach and install.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (5)
1. The utility model provides a leakage coaxial cable fire prevention hoist with self-locking function, includes the fixed part that is used for fixed leakage coaxial cable, sets up the hasp portion that is used for locking fixed part in fixed part upper end and sets up the supporting part that is used for supporting hasp portion in fixed part lower extreme; the method is characterized in that: the fixing part comprises two arc-shaped plates which are symmetrically arranged, and a clamping groove for fixing the leaky coaxial cable is formed between the inner cambered surfaces of the two arc-shaped plates; the locking part comprises a first vertical plate and a second vertical plate which are symmetrically arranged, and a self-locking mechanism arranged on the first vertical plate and the second vertical plate; the self-locking mechanism comprises a plugboard, an L-shaped clamping board and a clamping hook, wherein the plugboard is horizontally arranged at the upper end of the first vertical board, one end of the plugboard is fixedly connected with the upper end of the first vertical board, the horizontal part of the L-shaped clamping board is horizontally arranged at the upper end of the second vertical board, the free end of the horizontal part of the L-shaped clamping board is fixedly connected with the upper end of the second vertical board, the lower ends of the first vertical board and the second vertical board are respectively connected with the upper ends of the two arc-shaped boards, the free end of the plugboard and the vertical part of the L-shaped clamping board are both positioned between the first vertical board and the second vertical board, the free end of the L-shaped clamping board is provided with a jack through which the free end of the plugboard passes, the clamping hook is arranged on the horizontal part of the L-shaped clamping board, the middle part of the plugboard is provided with a leakage hole, the jack is a rectangular hole, and the height of the top end of the clamping hook relative to the horizontal part of the L-shaped clamping board is larger than the height of the jack, and the length of the clamping hook on the horizontal part of the L-shaped clamping board is larger than the length of the jack between the free end of the L-shaped clamping board and the two vertical parts, and the jack is smaller than the length of the jack of the plugboard.
2. The leaky coaxial cable fireproof hanger with self-locking function as claimed in claim 1, wherein: the supporting part comprises two supporting plates which are symmetrically arranged and a connecting plate which is connected with the lower ends of the two supporting plates, the upper ends of the two supporting plates are respectively connected with the lower ends of the two arc-shaped plates, and the connecting plate is provided with an assembly hole for installing a metal connecting rod.
3. The leaky coaxial cable fireproof hanger with self-locking function as claimed in claim 2, wherein: the connecting plate and the two support plates form a square U-shaped structure, and a positioning groove for determining the signal radiation direction of the leaky coaxial cable is formed between the two support plates.
4. The leaky coaxial cable fireproof hanger with self-locking function as claimed in claim 2, wherein: the two support plates comprise an arc part and a vertical part arranged at the lower end of the arc part, the inner cambered surfaces of the arc parts of the two support plates face to the outer side, the upper ends of the arc parts of the two support plates are respectively and smoothly connected with the lower ends of the two arc plates, and the vertical parts of the two support plates and the connecting plate form a square U-shaped structure.
5. The leaky coaxial cable fireproof hanger with self-locking function as claimed in claim 1, wherein: the height difference between the height of the top end of the clamping hook relative to the transverse part of the L-shaped clamping plate and the height of the jack is larger than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575604.2A CN107294015B (en) | 2017-07-14 | 2017-07-14 | Leakage coaxial cable fireproof lifting appliance with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575604.2A CN107294015B (en) | 2017-07-14 | 2017-07-14 | Leakage coaxial cable fireproof lifting appliance with self-locking function |
Publications (2)
| Publication Number | Publication Date |
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| CN107294015A CN107294015A (en) | 2017-10-24 |
| CN107294015B true CN107294015B (en) | 2024-01-26 |
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| CN201710575604.2A Active CN107294015B (en) | 2017-07-14 | 2017-07-14 | Leakage coaxial cable fireproof lifting appliance with self-locking function |
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| CN (1) | CN107294015B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108263547A (en) * | 2018-01-30 | 2018-07-10 | 重庆龙科自动化机械设备研究院有限公司 | A kind of intelligent electric motor car torque force support structure |
| CN111047965A (en) * | 2020-01-15 | 2020-04-21 | 滕飞 | Support fixing device used on sand table and used for keeping conducting wire straight |
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| CN205639874U (en) * | 2016-04-26 | 2016-10-12 | 通号（郑州）轨道交通科技有限公司 | Leakage coaxial cable hoist with self -locking function |
| CN106655032A (en) * | 2016-08-25 | 2017-05-10 | 如皋市凯凯电信器材有限公司 | High speed leakage cable clamping tool |
| CN206272203U (en) * | 2016-12-08 | 2017-06-20 | 常熟市创世百通实业有限公司 | Leaky cable fixture |
| CN206976955U (en) * | 2017-07-14 | 2018-02-06 | 通号（郑州）轨道交通科技有限公司 | A kind of leakage coaxial cable fire prevention suspender with auto-lock function |
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| CN107294015A (en) | 2017-10-24 |
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Effective date of registration: 20180413 Address after: 450016 Henan Zhengzhou economic and Technological Development Zone Fourth Avenue East, north two road south, the sixth floor of the thriving building. Applicant after: CRSC CABLES CO.,LTD. Address before: 450016, No. sixth, 601-605 floor, flourishing building, Fourth Street, Zhengzhou economic and Technological Development Zone, Henan Applicant before: CRSC (ZHENGZHOU) RAILWAY TRANSPORTATION TECHNOLOGY LTD. |
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