CN109802353B - Cable intermediate head protection box - Google Patents
Cable intermediate head protection box Download PDFInfo
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- CN109802353B CN109802353B CN201910076221.XA CN201910076221A CN109802353B CN 109802353 B CN109802353 B CN 109802353B CN 201910076221 A CN201910076221 A CN 201910076221A CN 109802353 B CN109802353 B CN 109802353B
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Abstract
The invention relates to a cable intermediate joint protection device, in particular to a cable intermediate joint protection box, which has the technical scheme that: including columniform casing with set up in the sealing ring at casing both ends, its characterized in that: set up in the casing and be used for following the reciprocal dolly of patrolling and examining of walking of casing length direction, it is provided with the water sensor that is used for detecting whether the casing both ends leak to patrol and examine the dolly, it is provided with the chamber of placing that is used for placing the plugging agent in the dolly to patrol and examine, it is provided with the detected signal who responds to the water sensor in the dolly to make and place the plugging agent in the chamber and flow to the control valve of the department of leaking. The cable intermediate joint protection box has the advantage of improving the waterproof performance of the protection box.
Description
Technical Field
The invention relates to a cable intermediate joint protection device, in particular to a cable intermediate joint protection box.
Background
With the development of urban construction, the cable transmission line is more and more widely applied. The intermediate joint of the cable is easy to generate the problems of ignition, short circuit and even explosion and the like due to aging in long-term use, so that economic loss is caused and even the life safety of a human body is threatened sometimes. At present, various cable explosion-proof protection boxes exist in the market, including iron shells and glass fiber reinforced plastics, although the box has certain hardness, the box is heavy, and the insulation degree, the flame retardance, the impact resistance, the waterproof effect and the like are insufficient.
At present, Chinese patent with publication number CN 203632197U is searched to disclose an explosion-proof protection box for a cable intermediate joint, and the key points of the technical scheme are as follows: the cable connecting structure comprises two semi-cylindrical shells which can be in butt joint, wherein necking parts are arranged at two ends of each shell, through holes used for penetrating cables are formed in the necking parts, a plurality of fastening grooves are correspondingly formed in the middle section and two ends of each shell, the fastening grooves are fixedly in butt joint through fastening rings located in the fastening grooves, a flame-retardant heat insulation layer is arranged between each shell and each cable, the inner walls of the through holes are in a groove shape, and sealing rings are arranged in the through holes.
Because cable joint generally installs in cable pit, cable tunnel, often has ponding, if the protection box carries out dismouting maintenance cable joint many times and influences the leakproofness of sealing ring or the sealing ring is ageing, leads to the not waterproof problem of protection box.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cable intermediate joint protection box which has the advantage of improving the waterproof performance of the protection box.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a cable intermediate head protection box, includes columniform casing and sets up in the sealing ring at casing both ends, set up in the casing and be used for following the reciprocal dolly of patrolling and examining of walking of casing length direction, it is provided with the water sensor who is used for detecting whether the casing both ends leak to patrol and examine on the dolly, it is provided with the chamber of placing that is used for placing the plugging agent to patrol and examine in the dolly, it is provided with the detected signal who responds to the water sensor to patrol and examine in the dolly to make and place the control valve that the plugging agent in the chamber flows to the.
Through adopting above-mentioned technical scheme, the water sensor on the dolly that patrols and examines of reciprocal walking in the casing detects whether leaking to the casing both ends, detects the sealing ring at casing both ends when the water sensor and leaks the back, sends the detection signal control valve and opens to thereby make the leaking stoppage agent of placing in the chamber fall to the department of leaking, thereby because the leaking stoppage agent meets the water inflation and carries out the leaking stoppage to the sealing washer, thereby improve the water-proof effects of protection box.
The invention is further configured to: patrol and examine the dolly and include the automobile body, set up wheel and the driving wheel pivoted small motor on the automobile body, the automobile body is the cylinder setting, the hole of stepping down that the supply cable passed is seted up to the automobile body axial.
Through adopting above-mentioned technical scheme, offer the hole of stepping down that the power cable passed through on the automobile body of cylinder to make things convenient for the dolly to walk along casing length direction.
The invention is further configured to: a plurality of guide wheels are arranged on the circumference of the vehicle body at intervals.
Through adopting above-mentioned technical scheme, through setting up at a plurality of wire wheels of automobile body axial to increase and patrol and examine the stability of dolly walking.
The invention is further configured to: the control valve comprises an electromagnet and a valve plate, the valve plate is made of magnetic materials, a discharge hole communicated with the placing cavity is formed in the side wall of the vehicle body, the valve plate is vertically inserted into the discharge hole, the electromagnet is located above the valve plate, and the electromagnet responds to a detection signal of the water immersion sensor.
Through adopting above-mentioned technical scheme, the water sensor detects the sealing ring back that leaks, and the electro-magnet work to with the valve plate actuation on the electro-magnet, and then open the discharge gate, thereby will place the leaking stoppage agent of intracavity and fall to the department that leaks, have the convenient advantage that adds leaking stoppage agent to the department that leaks.
The invention is further configured to: water sensor and control valve all set up two, two water sensor and control valve set up respectively in the both ends side lateral wall of patrolling and examining the dolly, and two water sensor is used for controlling two control valves respectively.
Through adopting above-mentioned technical scheme, two water sensor are used for detecting whether the casing both ends leak respectively to control two control valves respectively and open, carry out waterproof leaking stoppage to the casing both ends.
The invention is further configured to: patrol and examine and be provided with on the dolly and be used for control to patrol and examine the dolly along the reciprocal controlling means who walks of casing length direction, controlling means includes first normally open travel switch, second normally open travel switch and control circuit, first normally open contact switch and second normally open contact switch set up respectively at automobile body both ends lateral wall, and contradict with the sealing ring at casing both ends and close, control circuit electric connection has the timer.
By adopting the technical scheme, the timer controls the control circuit to work in a timing mode, so that the inspection trolley works in a timing mode, the service life of the inspection trolley is prolonged, and electric energy is saved.
The invention is further configured to: the control circuit comprises a switch circuit and a driving circuit; the switch circuit comprises a triode Q, a first relay KM1, a second relay KM2, a third relay KM3, a first normally open contact switch KM1-1 of the first relay, a first normally open contact switch KM2-1 of the second relay, a first normally closed contact switch KM3-1 of the third relay and a second normally closed contact switch KM3-2 of the third relay, wherein the timer is electrically connected with a base electrode of the triode Q, a collector electrode of the triode Q is electrically connected with a power supply, an emitter electrode of the triode Q is connected with the first relay KM1 in series and then grounded, and the first normally open contact switch KM1-1 of the first relay is connected with the first normally closed contact switch KM3-1 of the third relay in series and then connected with the triode Q in parallel; one end of the first normally-open travel switch is electrically connected with a power supply, the other end of the first normally-open travel switch is connected with the second relay KM2 in series and then grounded, and the first normally-open contact switch KM2-1 of the second relay is connected with the second normally-closed contact switch KM3-2 of the third relay in series and then connected with the first normally-open travel switch in parallel; one end of the second normally-open travel switch is electrically connected with the power supply, and the other end of the second normally-open travel switch is connected with the third relay KM3 in series and then grounded;
the driving circuit comprises a forward input circuit for enabling the small motor to rotate forwards and a reverse input circuit for enabling the small motor to rotate backwards; the forward input circuit comprises a second normally open contact switch KM1-2 and a third normally open contact switch KM1-3 of a first relay, a fourth normally closed contact switch KM2-4 and a fifth normally closed contact switch KM2-5 of a second relay, wherein the second normally open contact switch KM1-2 and the third normally open contact switch KM1-3 are respectively connected to two ends of the small motor in series; the reverse input circuit comprises a second normally open contact switch KM2-2 and a third normally open contact switch KM2-3 of two second relays which are respectively connected in series at two ends of the small motor.
By adopting the technical scheme, the timer is used for conducting the triode Q at regular time, so that the first relay KM1 is electrified, the first normally open contact switch KM1-1 of the first relay connected in parallel on the triode Q is closed, the self-locking of the circuit is realized, and meanwhile, the second normally open contact switch KM1-2 of the first relay on the main circuit and the third normally open contact switch KM1-3 of the first relay are closed, so that the forward input circuit of the small motor is conducted, the rotating shaft of the small motor rotates forwards, and the inspection trolley moves towards one end of the shell;
when a first normally open travel switch on the inspection trolley is abutted and closed with a sealing ring, the second relay KM2 is electrified, so that a first normally open contact switch KM2-1 of the second relay connected with the first normally open travel switch in parallel is closed, the circuit with the first normally open travel switch is self-locked, meanwhile, a fourth normally closed contact switch KM2-4 and a fifth normally closed contact switch KM2-5 of the second relay on a driving circuit are disconnected, a second normally open contact switch KM2-2 and a third normally open contact switch KM2-3 of the second relay are closed, a forward input circuit of the small motor is disconnected, a reverse input circuit of the small motor is connected, and a rotating shaft of the small motor is reversed, so that the inspection trolley moves to the other end;
when a second normally-open travel switch on the inspection trolley is closed, the third relay KM3 is electrified, so that a first normally-closed contact switch KM3-1 of the third relay connected in parallel on the triode Q is disconnected, a second normally-closed contact switch KM3-2 of the third relay connected in parallel on the first normally-open travel switch is disconnected, the first relay KM1 and the second relay KM2 are powered off, the small motor stops working, and the reciprocating inspection of the inspection trolley is automatically completed.
The invention is further configured to: the small-sized motor and electromagnet combined type electric inspection trolley is characterized in that a current transformer used for supplying power to the small-sized motor and the electromagnet is arranged in the shell, the current transformer is electrically connected with a cable in the shell, and the current transformer is electrically connected with the inspection trolley through an electric wire.
Through adopting above-mentioned technical scheme, current transformer gets the electricity to the cable to conveniently patrol and examine the work of dolly.
In conclusion, the invention has the following beneficial effects: patrol and examine the reciprocal walking of dolly in the casing through timer timing control to whether detect the casing both ends through the water sensor of patrolling and examining on the dolly and leak, after the sealing ring that the water sensor detected the casing both ends leaked, send the detection signal control valve and open, thereby make the leaking stoppage agent of placing in the chamber fall to the department of leaking, thereby because the leaking stoppage agent meets the water inflation and carries out the leaking stoppage to the sealing washer, thereby improve the water-proof effects of protection box.
Drawings
Fig. 1 is a schematic view of the overall structure of the housing in the present embodiment;
FIG. 2 is a schematic structural diagram of a part of the inspection trolley in the shell of the inspection trolley in the embodiment;
FIG. 3 is a schematic structural view of the inspection trolley in the embodiment, partially cut along the placing cavity;
fig. 4 is a circuit schematic diagram of the patrol controlling circuit in the present embodiment.
In the figure: 1. a housing; 2. a seal ring; 3. mounting a shell; 4. mounting lugs; 5. a water immersion sensor; 6. a placement chamber; 7. a vehicle body; 8. a wheel; 9. a small-sized motor; 10. a hole of abdication; 11. a guide wheel; 12. an electromagnet; 13. a valve plate; 14. a discharge port; 15. mounting grooves; 16. a first normally open travel switch; 17. a second normally open travel switch; 18. a control circuit; 19. a switching circuit; 20. a drive circuit; 21. a timer.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
A cable intermediate head protection box is shown in figure 1 and comprises a cylindrical shell 1 and sealing rings 2 arranged at two ends of the shell 1, wherein the shell 1 comprises two semi-cylindrical mounting shells 3, a plurality of corresponding mounting lugs 4 are axially arranged at intervals on the edges of the two mounting shells 3, and the two corresponding mounting lugs 4 are fixedly connected through bolts.
As shown in fig. 2 and 3, a patrol inspection trolley which is used for walking along the length direction of the shell 1 in a reciprocating manner is arranged in the shell 1, a water sensor 5 which is used for detecting whether water leaks from two ends of the shell 1 is arranged on the patrol inspection trolley, a placing cavity 6 which is used for placing a plugging agent is arranged in the patrol inspection trolley, and a detection signal which is responsive to the water sensor 5 is arranged in the patrol inspection trolley, so that the plugging agent in the placing cavity 6 flows to a control valve at the water leakage position.
As shown in fig. 2 and 4, the inspection trolley comprises a trolley body 7, wheels 8 arranged on the trolley body 7 and a small motor 9 driving the wheels 8 to rotate, wherein the trolley body 7 is arranged in a cylindrical manner, a yielding hole 10 for a cable to pass through is axially formed in the trolley body 7, and the yielding hole 10 for the cable to pass through is formed in the cylindrical trolley body 7, so that the trolley can conveniently walk along the length direction of the shell 1. The vehicle body 7 is provided with a plurality of guide wheels 11 at intervals on the circumference. Leading wheel 11 contacts with the inside lateral wall of casing 1, through setting up a plurality of wire wheels at automobile body 7 axial to increase the stability of patrolling and examining the dolly walking.
As shown in fig. 3, the control valve includes an electromagnet 12 and a valve plate 13, the valve plate 13 is made of magnetic material, a discharge port 14 communicated with the placing cavity 6 is formed in the side wall of the vehicle body 7, the valve plate 13 is vertically inserted into the discharge port 14, the electromagnet 12 is located above the valve plate 13, and the electromagnet 12 responds to a detection signal of the water sensor 5. After the water sensor 5 detects that the sealing ring 2 leaks, the electromagnet 12 works, so that the valve plate 13 is attracted to the electromagnet 12, the discharge hole 14 is opened, the plugging agent in the cavity 6 is placed to the water leakage position, and the water sensor has the advantage of conveniently adding the plugging agent to the water leakage position. Specifically, the wall of the placing cavity 6 at the discharge port 14 is vertically provided with a mounting groove 15 for movably inserting the valve plate 13, and the electromagnet 12 is mounted on the wall of the mounting groove 15 and located above the valve plate 13.
As shown in fig. 2 and 3, specifically, the water sensors 5 and the control valves are respectively provided in two numbers, the two water sensors 5 and the control valves are respectively provided on the side walls of the two ends of the inspection trolley, and the two water sensors 5 are respectively used for controlling the two control valves. The water sensor 5 is arranged on the side wall of the lower side of the two ends of the inspection trolley, so that the detection sensitivity of the water sensor 5 is improved. The two water sensors 5 are respectively used for detecting whether water leaks from the two ends of the shell 1 or not, so that the two control valves are respectively controlled to be opened, and the two ends of the shell 1 are subjected to waterproof and leakage stoppage.
If fig. 3 and fig. 4, patrol and examine and be provided with on the dolly and be used for controlling the dolly of patrolling and examining along the reciprocal controlling means who walks of 1 length direction of casing, controlling means includes that first normally open travel switch 16, second normally open travel switch 17 and control circuit 18, and first normally open contact switch and second normally open contact switch set up respectively at automobile body 7 both ends lateral wall, and contradict with the sealing ring 2 at casing 1 both ends and close, and control circuit 18 electric connection has timer 21. The timer 21 is used for controlling the control circuit 18 to work in a timing mode, so that the inspection trolley is controlled to work in a timing mode, the service life of the inspection trolley is prolonged, and electric energy is saved.
As shown in fig. 4, the control circuit 18 includes a switching circuit 19 and a drive circuit 20; the switch circuit 19 comprises a triode Q, a first relay KM1, a second relay KM2, a third relay KM3, a first normally open contact switch KM1-1 of the first relay, a first normally open contact switch KM2-1 of the second relay, a first normally closed contact switch KM3-1 of the third relay and a second normally closed contact switch KM3-2 of the third relay, a timer 21 is electrically connected with a base electrode of the triode Q, a collector electrode of the triode Q is electrically connected with a power supply, an emitter electrode of the triode Q is connected with the first relay KM1 in series and then grounded, and the first normally open contact switch KM1-1 of the first relay and the first normally closed contact switch KM3-1 of the third relay are connected with each other in series and then connected with the triode Q in parallel; one end of the first normally-open travel switch 16 is electrically connected with a power supply, the other end of the first normally-open travel switch is connected with the second relay KM2 in series and then grounded, and the first normally-open contact switch KM2-1 of the second relay is connected with the second normally-closed contact switch KM3-2 of the third relay in series and then connected with the first normally-open travel switch 16 in parallel; one end of the second normally-open travel switch 17 is electrically connected with the power supply, and the other end of the second normally-open travel switch is connected with the third relay KM3 in series and then grounded; the drive circuit 20 includes a forward input circuit for rotating the small motor 9 forward and a reverse input circuit for rotating the small motor 9 reverse; the forward input circuit comprises a second normally open contact switch KM1-2 and a third normally open contact switch KM1-3 of a first relay, a fourth normally closed contact switch KM2-4 and a fifth normally closed contact switch KM2-5 of a second relay, wherein the second normally open contact switch KM1-2 and the third normally open contact switch KM1-3 are respectively connected with two ends of the small motor 9 in series; the reverse input circuit comprises a second normally open contact switch KM2-2 and a third normally open contact switch KM2-3 of two second relays which are respectively connected in series at two ends of the small motor 9.
The timer 21 is used for conducting the triode Q at regular time, so that the first relay KM1 is electrified, the first normally open contact switch KM1-1 of the first relay connected to the triode Q in parallel is closed, the self-locking of a circuit is realized, meanwhile, the second normally open contact switch KM1-2 of the first relay on the main circuit and the third normally open contact switch KM1-3 of the first relay are closed, the forward input circuit of the small motor 9 is conducted, the rotating shaft of the small motor 9 rotates forwards, and the inspection trolley moves towards one end of the shell 1; when the first normally-open travel switch 16 on the inspection trolley is abutted against and closed by the sealing ring 2, the second relay KM2 is electrified, so that the first normally-open contact switch KM2-1 of the second relay connected with the first normally-open travel switch 16 in parallel is closed, the circuit with the first normally-open travel switch 16 is self-locked, meanwhile, the fourth normally-closed contact switch KM2-4 and the fifth normally-closed contact switch KM2-5 of the second relay on the driving circuit 20 are disconnected, the second normally-open contact switch KM2-2 and the third normally-open contact switch KM2-3 of the second relay are closed, further, the forward input circuit of the small motor 9 is disconnected, the reverse input circuit of the small motor 9 is switched on, and the rotating shaft of the small motor 9 is reversed, so that the inspection trolley moves to the other end; when the second normally-open travel switch 17 on the inspection trolley is closed, the third relay KM3 is electrified, so that the first normally-closed contact switch KM3-1 of the third relay connected in parallel on the triode Q is disconnected, the second normally-closed contact switch KM3-2 of the third relay connected in parallel on the first normally-open travel switch 16 is disconnected, the first relay KM1 and the second relay KM2 are powered off, the small motor 9 stops working, and the reciprocating inspection of the inspection trolley is automatically completed.
As shown in fig. 3 and 4, a current transformer (not shown) for supplying power to the small motor 9 and the electromagnet 12 is arranged in the housing 1, and the current transformer can pass through the abdicating hole 10 of the inspection trolley. The current transformer is electrically connected with a cable in the shell 1, and the current transformer is electrically connected with the inspection trolley through an electric wire, so that the inspection trolley which travels is powered through the electric wire. The current transformer gets the electricity to the cable to conveniently supply power and walk of patrolling and examining the dolly for patrolling and examining the dolly.
The working process is as follows: water sensor 5 on the dolly of patrolling and examining of reciprocal walking in casing 1 detects whether leaking to casing 1 both ends, detects the sealing ring 2 back that leaks at casing 1 both ends when water sensor 5, sends the detection signal control valve and opens to the leaking stoppage agent that the messenger placed in the chamber 6 falls to the department of leaking, thereby because the leaking stoppage agent meets the water inflation and carries out the leaking stoppage to the sealing washer, thereby improves the water-proof effects of protection box.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a cable intermediate head protection box, includes columniform casing (1) and sets up in sealing ring (2) at casing (1) both ends, its characterized in that: the inspection trolley is characterized in that an inspection trolley which is used for walking in a reciprocating mode along the length direction of the shell (1) is arranged in the shell (1), a water sensor (5) which is used for detecting whether water leaks from two ends of the shell (1) is arranged on the inspection trolley, a placing cavity (6) which is used for placing a plugging agent is arranged in the inspection trolley, and a control valve which responds to a detection signal of the water sensor (5) and enables the plugging agent in the placing cavity (6) to flow to a water leakage position is arranged in the inspection trolley; the inspection trolley comprises a trolley body (7), wheels (8) arranged on the trolley body (7) and a small motor (9) for driving the wheels (8) to rotate, wherein the trolley body (7) is arranged in a cylindrical shape, and a abdicating hole (10) for a cable to pass through is axially formed in the trolley body (7); patrol and examine and be provided with on the dolly and be used for control to patrol and examine the dolly along the reciprocal controlling means who walks of casing (1) length direction, controlling means includes that first normally open travel switch (16), second normally open travel switch (17) and control circuit (18), first normally open contact switch and second normally open contact switch set up respectively at automobile body (7) both ends lateral wall, and contradict with sealing ring (2) at casing (1) both ends and close, control circuit (18) electric connection has timer (21).
2. A cable intermediate joint protection box according to claim 1, characterized in that: a plurality of guide wheels (11) are arranged on the circumference of the vehicle body (7) at intervals.
3. A cable intermediate joint protection box according to claim 1, characterized in that: the control valve comprises an electromagnet (12) and a valve plate (13), wherein the valve plate (13) is made of a magnetic material, a discharge hole (14) communicated with the placing cavity (6) is formed in the side wall of the vehicle body (7), the valve plate (13) is vertically inserted into the discharge hole (14), the electromagnet (12) is located above the valve plate (13), and the electromagnet (12) responds to a detection signal of the water immersion sensor (5).
4. A cable intermediate joint protection box according to claim 3, characterized in that: water sensor (5) and control valve all set up two, two water sensor (5) and control valve set up respectively in the both ends lateral wall of patrolling and examining the dolly, and two water sensor (5) are used for controlling two control valves respectively.
5. A cable intermediate joint protection box according to claim 1, characterized in that: the control circuit (18) comprises a switching circuit (19) and a drive circuit (20); the switch circuit (19) comprises a triode Q, a first relay KM1, a second relay KM2, a third relay KM3, a first normally open contact switch KM1-1 of the first relay, a first normally open contact switch KM2-1 of the second relay, a first normally closed contact switch KM3-1 of the third relay and a second normally closed contact switch KM3-2 of the third relay, the timer (21) is electrically connected with a base electrode of the triode Q, a collector electrode of the triode Q is electrically connected with a power supply, an emitter electrode of the triode Q is grounded after being connected in series with the first relay KM1, and the first normally open contact switch KM1-1 of the first relay is connected in series with a first normally closed contact switch KM3-1 of the third relay and then is connected in parallel with the triode Q; one end of the first normally-open travel switch (16) is electrically connected with a power supply, the other end of the first normally-open travel switch is connected with the second relay KM2 in series and then grounded, and the first normally-open contact switch KM2-1 of the second relay is connected with the second normally-closed contact switch KM3-2 of the third relay in series and then connected with the first normally-open travel switch (16) in parallel; one end of the second normally-open travel switch (17) is electrically connected with a power supply, and the other end of the second normally-open travel switch is connected with a third relay KM3 in series and then grounded;
the driving circuit (20) comprises a forward input circuit for enabling the small motor (9) to rotate forward and a reverse input circuit for enabling the small motor (9) to rotate reversely; the forward input circuit comprises a second normally open contact switch KM1-2 and a third normally open contact switch KM1-3 of a first relay, a fourth normally closed contact switch KM2-4 and a fifth normally closed contact switch KM2-5 of a second relay, wherein the second normally open contact switch KM1-2 and the third normally open contact switch KM1-3 of the first relay are respectively connected to two ends of the small motor (9) in series; the reverse input circuit comprises a second normally open contact switch KM2-2 and a third normally open contact switch KM2-3 of a second relay which are respectively connected with two ends of the small motor (9) in series.
6. A cable intermediate joint protection box according to claim 3, characterized in that: be provided with in casing (1) and be used for the current transformer for small-size motor (9) and electro-magnet (12) power supply, cable electric connection in current transformer and casing (1), current transformer passes through the electric wire and patrols and examines dolly electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910076221.XA CN109802353B (en) | 2019-01-26 | 2019-01-26 | Cable intermediate head protection box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910076221.XA CN109802353B (en) | 2019-01-26 | 2019-01-26 | Cable intermediate head protection box |
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| CN109802353A CN109802353A (en) | 2019-05-24 |
| CN109802353B true CN109802353B (en) | 2020-07-03 |
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| CN201910076221.XA Active CN109802353B (en) | 2019-01-26 | 2019-01-26 | Cable intermediate head protection box |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008051477A1 (en) * | 2008-04-16 | 2009-10-22 | Philipp, Steffen | Device for guiding supply lines e.g. cable, along structure of industrial robot in complex working environment, has supply lines guided into partial section starting from pivot point and guided again into another partial section |
| CN104037969B (en) * | 2014-06-10 | 2016-06-08 | 国网四川省电力公司双流县供电分公司 | For the safeguard system that leaks of motor |
| CN204064574U (en) * | 2014-07-26 | 2014-12-31 | 广西科技大学 | A kind of water sensor |
| CN204062502U (en) * | 2014-08-21 | 2014-12-31 | 沙洲职业工学院 | A kind of pipeline climbing robot |
| CN104362562A (en) * | 2014-11-17 | 2015-02-18 | 重庆易初机械有限公司 | Communication pipe capable of monitoring water leaking state |
| WO2017182782A1 (en) * | 2016-04-18 | 2017-10-26 | Global Marine Systems Limited | Junction box |
| CN205565667U (en) * | 2016-04-28 | 2016-09-07 | 李程 | Extra -high -tension cable intermediate head protects box |
| CN106026481A (en) * | 2016-05-21 | 2016-10-12 | 安庆皖南电机有限公司 | Portable drainage type motor |
| KR101937273B1 (en) * | 2017-03-08 | 2019-01-10 | 김진국 | Tube valve, system of controlling sewage amount using the same, and system of detecting leakage of intercepting pipeline |
| CN207960629U (en) * | 2017-12-04 | 2018-10-12 | 西安科技大学 | A kind of emergent water blocking device of gushing water |
| CN108730673B (en) * | 2018-07-19 | 2023-05-26 | 大连海事大学 | Automatic plugging equipment for pipeline |
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- 2019-01-26 CN CN201910076221.XA patent/CN109802353B/en active Active
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