CN208548703U - A kind of bridge cable protective device for municipal science of bridge building - Google Patents

Abstract

The utility model discloses a kind of bridge cable protective devices for municipal science of bridge building, its structure includes overload protection and disconnects device manually, left switching door, hand handle, right switching door, fixed hole, fixed bottom plate, cable, convex block, control panel, air channel, hanging ring pastes ear, voltmeter, ammeter, hanging ring patch ear is welded in overload protection and disconnects the center of device upper surface manually, ammeter glue connection is connected to overload protection and disconnects the positive left upper end of device manually, voltmeter is fitted in the right side of ammeter, voltmeter and ammeter are in same level, the utility model is by being equipped with overload protection and manually disconnection device, when the instantaneous value for the voltage or current that cable passes through is more than the tolerance range of cable, equipment can automatically disconnect circuit, cable is prevented to be burned and when cable run needs to repair, Can the branch to cable run powered off manually, it is easy to use.

Description

A kind of bridge cable protective device for municipal science of bridge building

Technical field

The utility model is a kind of bridge cable protective device for municipal science of bridge building, belongs to cable protection field.

Background technique

Cable protection is broadly divided into two classes, and one is from extraneous shock and roll or the modes such as high temperature, damage electricity Cable, second is to carry out segment processing when repairing to cable to cable, need to disconnect the circuit of cable, need at this time A kind of protective device.

The equipment of the prior art can not be protected well when the voltage or current instantaneous value that cable transmits is excessive Cable, voltage or current may be more than the tolerance range of cable, so that cable is damaged, or even influence whether to supply The normal operation of electric line.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of bridge for municipal science of bridge building Cable protecting device cannot to solve the equipment of the prior art when the voltage or current instantaneous value that cable transmits is excessive Enough protection cables well, voltage or current may be more than the tolerance range of cable, so that cable is damaged, very The problem of to the normal operation for influencing whether power supply line.

To achieve the goals above, the utility model is achieved through the following technical solutions: it is a kind of for municipal bridge The bridge cable protective device of beam engineering, structure include that overload protection is opened with manual disconnection device, left switching door, hand handle, the right side It closes door, fixed hole, fixed bottom plate, cable, convex block, control panel, air channel, hanging ring and pastes ear, voltmeter, ammeter, institute It states hanging ring patch ear to be welded in overload protection and disconnect the center of device upper surface manually, the ammeter glue connection is connected to overload protection The positive left upper end of device is disconnected with manual, and the voltmeter is fitted in the right side of ammeter, at the voltmeter and ammeter In same level, the control panel is fixed by screws in overload protection and disconnects the positive upper right side of device manually, The left switching door embedded in overload protection and manually disconnect the positive lower-left end of device, the right switching door embedded in overload protection with The positive bottom righthand side of device is disconnected manually, and the hand handle is welded in the positive right end of left switching door, and the fixed bottom plate is fitted in Overload protection and the lower end for disconnecting device manually, the fixed hole is equipped with two or more altogether and shape size is identical, described solid Determine four angles that through-hole is embedded in fixed plate upper surface, it is right that the cable clearance fit disconnects device in overload protection and manually The lower end on surface, the weld tabs disconnect the middle section on the right surface of device in overload protection and manually, and the air channel was embedded in It carries protection and disconnects the upper end on the right surface of device manually, the overload protection and manually disconnection device are by handle startup structure, tooth Drive mechanism, equipment outer protect-ing frame structure, overcurrent protection structure, internal heat dissipation structures, automatic alarm structure composition, the handle Startup structure is welded in the right end inside the outer protect-ing frame structure of equipment, and the rack-driving structure movement is connected to handle startup structure Lower end, the overcurrent protection structure is welded in the lower end inside the outer protect-ing frame structure of equipment, the lower end of the automatic alarm structure It is sequentially connected with overcurrent protection structure, left end of the internal heat dissipation structures inside the outer protect-ing frame structure of equipment.

Further, the handle startup structure is by left connection frame fixed block, mini-roundabout synchronous belt, conveyer belt, compound same Walk band, handle synchronizing wheel, handle, mini-roundabout, mini-roundabout connecting rod, right connection frame fixed block, the first connection frame, the second connection Frame, third connection frame, the 4th connection frame, sliding push plate composition.

Further, the handle synchronizing wheel is interference fitted in the lower end of handle, and the composite sync band gap cooperation exists The outer ring of handle synchronizing wheel, the handle synchronizing wheel are sequentially connected by the right end of composite sync band and conveyer belt, the conveying The left end of band is connected by the rear-end transmission of mini-roundabout synchronous belt and mini-roundabout, and the upper end of the mini-roundabout connecting rod is flexibly connected In the front of mini-roundabout, the upper end of second connection frame is movably connected on the lower end of left connection frame fixed block, the mini-roundabout The lower mechanical of connecting rod is connected to the middle section of the second connection frame, and the upper end of first connection frame is movably connected on right connection frame The lower end of the lower end of fixed block, second connection frame is connect with the upper mechanical of third connection frame, first connection frame Lower end is flexibly connected with the upper end of the 4th connection frame, and the lower end of the third connection frame is slidably connected to sliding push plate upper surface Left end, the lower end of the 4th connection frame are slidably connected to the right end of sliding push plate upper surface.

Further, the rack-driving structure is by rack gear connecting rod, right rack fixing seat, right rack gear, spur gear, rack gear Connecting line, right transfer wire, reset spring, left rack gear, left rack fixing seat composition, the left rack gear are slidably connected to left rack gear The right surface of fixing seat, the rack gear connecting rod are movably connected on the upper end of left rack gear, and the spur gear is engaged on left rack gear Right side, on the right side of spur gear, the right rack gear is slidably connected to the left side of right rack fixing seat for the right rack gap cooperation, The upper end glue connection of the rack gear connecting line is connected to the lower end of right rack gear, and the lower end of the rack gear connecting line is fitted in right transfer wire Left end, the reset spring glue connection is connected to the lower surface of right transfer wire, and the rack gear connecting rod is movably connected on sliding and pushes away The lower end of plate.

Further, the overcurrent protection structure is protected by long connecting column, short connecting column, electromagnet, left transfer wire, overload Protect device, support plate, fixed link, balancing pole, portable pillar, traffic cycle, traffic cycle synchronous belt composition, the left transfer wire glue connection In the right end of overload protective device, the overload protective device is welded in the lower end inside the outer protect-ing frame structure of equipment, the electromagnet patch The right end on surface on the supporting plate is closed, the fixed link is embedded in the middle section of support plate upper surface, and the balancing pole is movably connected on The upper end of fixed link, the lower mechanical of the short connecting column are connected to the right end of balancing pole, the upper end activity of the short connecting column Be connected to the right end of long connecting column, the lower mechanical of the portable pillar is connected to the left end of long connecting column, the portable pillar it is upper End is movably connected on the front of traffic cycle, and the traffic cycle synchronous belt is nested in the outer ring of traffic cycle.

Further, the internal heat dissipation structures are synchronized by big shaft, blade, big synchronizing wheel, shaft fixing block, heat dissipation Band, heat dissipation synchronizing wheel, radiating motor composition, the big shaft are movably connected on the left end of shaft fixing block, the big synchronizing wheel It is nested in the outer ring of big shaft, the blade is welded in the left end of big shaft, and the heat dissipation synchronizing wheel is interference fitted in heat dissipation electricity The left end of machine, the heat dissipation synchronizing wheel are sequentially connected by heat dissipation synchronous belt and big synchronizing wheel.

Further, the automatic alarm structure is connect by battery, alarm lamp, electric wire, the first contact block, thin shaft, second Contact block, contact block fixed plate, thin shaft synchronizing wheel, long synchronous belt, right gear axis, left gear axis, the first tooth plate, the second tooth plate, Rotary fluted disc, fluted disc synchronous belt, roller composition.

Further, the alarm lamp is electrically connected by electric wire with battery, and it is solid that second contact block is fitted in contact block The lower end of fixed board left surface, the first contact block glue connection are connected to the upper end of thin shaft, the thin shaft synchronizing wheel interference fit In the lower end of thin shaft, the left end clearance fit of the long synchronous belt is in the outer ring of left gear axis, the right end of the long synchronous belt It is interference fitted in the outer ring of right gear axis, the right gear axis is identical as left gear axis shape size, second tooth plate gap On the right side of left gear axis, first tooth plate is engaged on the left side of right gear axis, first tooth plate and the second tooth plate for cooperation Parallel to each other, the right end of the rotary fluted disc is meshed with the left end of the first tooth plate, and the upper gap of the fluted disc synchronous belt is matched It closes in the front end of rotary fluted disc, the lower end of the fluted disc synchronous belt is interference fitted in the front end of roller, before the rotary fluted disc End is sequentially connected by the front end of fluted disc synchronous belt and roller, and the roller is connected by traffic cycle synchronous belt and traffic cycle transmission It connects.

Further, the material of the hanging ring patch ear is stainless steel, movement that is durable and being convenient for equipment.

Further, the air channel improves the radiating rate of equipment, convenient for the heat dissipation of equipment.

Beneficial effect

A kind of bridge cable protective device for municipal science of bridge building of the utility model, at work, operator will set In place for placement, voltmeter and ammeter can show the size for the voltage and electric current that the equipment passes through, and work as electricity When the voltage or current that cable passes through is excessive, overload protective device can automatically be disconnected circuit, and then electromagnet does not have electric current logical Later, lose magnetism, the right end of balancing pole is influenced by gravity, then balancing pole left end rise, right end decline, short connecting column to Lower movement declines long connecting column right end, and left end rises, and then moves up portable pillar, pushes traffic cycle rotation, traffic cycle After rotation, roller is driven by traffic cycle synchronous belt, rotates roller, then roller drives turning gear by fluted disc synchronous belt Disk rotates rotary fluted disc, and rotary fluted disc rotation drives the first tooth plate and the second tooth plate, turns the first tooth plate and the second tooth plate Dynamic, then the first tooth plate and the second tooth plate drive right gear axis and left gear axis, rotate right gear axis and left gear axis, then Right gear axis and left gear axis pull long synchronous belt, and long synchronous belt rotates thin shaft synchronizing wheel, and thin shaft synchronizing wheel rotation makes Thin shaft rotation, then the first contact block is contacted with the second contact block, and the small circuit of battery is switched on, and battery is as power supply body Alarm lamp power supply, then alarm lamp lights, and after operator observes alarm lamp exception, rotates to handle, then turns manually Synchronizing wheel is rotated by composite sync band driving conveying belt, conveyer belt drives mini-roundabout to rotate further through mini-roundabout synchronous belt, Mini-roundabout rotation moves down mini-roundabout connecting rod, and then the first connection frame makes the with the second connection frame with moving down Three connection frames are moved down with the 4th connection frame, then push sliding push plate, move down sliding push plate, and sliding push plate pushes Rack gear connecting rod moves down left rack gear, and then spur gear rotates counterclockwise, and moves up right rack gear, then right rack gear Pull right transfer wire by rack gear connecting line, move up right transfer wire, reset spring is stretched, right transfer wire with Left transfer wire disconnects, and is disconnected the circuit of cable, and inside equipment when the temperature is excessively high, operator opens heat dissipation Motor after radiating motor rotation, drives heat dissipation synchronizing wheel, and the synchronizing wheel that then radiates drives big synchronous rotation by heat dissipation synchronous belt Dynamic, then big shaft rotation makes blade with rotation, radiates to equipment.

A kind of bridge cable protective device for municipal science of bridge building of the utility model, by being equipped with overload protection and hand Dynamic circuit breaker opening apparatus, when the instantaneous value for the voltage or current that cable passes through be more than cable tolerance range when, equipment can automatically by Circuit disconnects, and prevents cable to be burned and when cable run needs to repair, and can carry out hand to the branch of cable run Dynamic circuit breaker electricity, it is easy to use.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is a kind of structural schematic diagram of the bridge cable protective device for municipal science of bridge building of the utility model；

Fig. 2 is the utility model overload protection and disconnects the structural schematic diagram of device manually；

Fig. 3 is the structural schematic diagram after the power-off of the utility model overcurrent protection structure；

Fig. 4 is the structural schematic diagram after the rotation of the utility model handle startup structure；

In figure: overload protection and manually disconnection device -1, left switching door -2, hand handle -3, right switching door -4, fixed hole - 5, fixed bottom plate -6, cable -7, convex block -8, control panel -9, air channel -10, hanging ring paste ear -11, voltmeter -12, electric current The outer protect-ing frame structure -103 of table -13, handle startup structure -101, rack-driving structure -102, equipment, overcurrent protection structure -104, It is internal heat dissipation structures -105, automatic alarm structure -106, left connection frame fixed block -10101, mini-roundabout synchronous belt -10102, defeated Band -10103, composite sync band -10104, handle synchronizing wheel -10105, handle -10106, mini-roundabout -10107, mini-roundabout is sent to connect Extension bar -10108, right connection frame fixed block -10109, the first connection frame -10110, the second connection frame -10111, third connection frame - 10112, the 4th connection frame -10113, sliding push plate -10114, rack gear connecting rod -10201, right rack fixing seat -10202, the right side Rack gear -10203, spur gear -10204, rack gear connecting line -10205, right transfer wire -10206, reset spring -10207, left tooth Item -10208, left rack fixing seat -10209, long connecting column -10401, short connecting column -10402, electromagnet -10403, left transmission Conducting wire -10404, overload protective device -10405, support plate -10406, fixed link -10407, balancing pole -10408, portable pillar - 10409, traffic cycle -10410, traffic cycle synchronous belt -10411, big shaft -10501, blade -10502, big synchronizing wheel -10503, Shaft fixing block -10504, heat dissipation synchronous belt -10505, heat dissipation synchronizing wheel -10506, radiating motor -10507, battery -10601, Alarm lamp -10602, electric wire -10603, the first contact block -10604, thin shaft -10605, the second contact block -10606, contact block Fixed plate -10607, thin shaft synchronizing wheel -10608, long synchronous belt -10609, right gear axis -10610, left gear axis -10611, First tooth plate -10612, the second tooth plate -10613, rotary fluted disc -10614, fluted disc synchronous belt -10615, roller -10616.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-Fig. 4 is please referred to, the utility model provides a kind of bridge cable protective device skill for municipal science of bridge building Art scheme: its structure include overload protection and manually disconnect device 1, left switching door 2, hand handle 3, right switching door 4, fixed hole 5, Fixed bottom plate 6, cable 7, convex block 8, control panel 9, air channel 10, hanging ring paste ear 11, voltmeter 12, ammeter 13, described Hanging ring patch ear 11 is welded in overload protection and disconnects the center of 1 upper surface of device manually, and 13 glue connection of ammeter is connected to overload Protection is fitted in the right side of ammeter 13, the voltmeter 12 with the positive left upper end of device 1, the voltmeter 12 is disconnected manually It is in same level with ammeter 13, the control panel 9 is fixed by screws in overload protection and disconnects device 1 manually Positive upper right side, the left switching door 2 disconnect the positive lower-left end of device 1, the right folding embedded in overload protection and manually Door 4 disconnects the positive bottom righthand side of device 1 embedded in overload protection and manually, and the hand handle 3 is welded in the positive right side of left switching door 2 End, the fixed bottom plate 6 be fitted in overload protection and manually disconnect device 1 lower end, the fixed hole 5 set altogether there are two with Upper and shape size is identical, and the fixed hole 5 is embedded in four angles of fixed 6 upper surface of bottom plate, 7 clearance fit of cable In overload protection and the manual lower end for disconnecting the right surface of device 1, the convex block 8 is welded in overload protection and disconnects device 1 manually The middle section on right surface, the air channel 10 disconnect the upper end on the right surface of device 1, the overload protection embedded in overload protection and manually With the manual device 1 that disconnects by protect-ing frame structure 103, overload protection knot outside handle startup structure 101, rack-driving structure 102, equipment Structure 104, internal heat dissipation structures 105, automatic alarm structure 106 form, and the handle startup structure 101 is welded in outside equipment and protects Right end inside frame 103, the rack-driving structure 102 are movably connected on the lower end of handle startup structure 101, the overload Protection structure 104 is welded in the lower end inside the outer protect-ing frame structure 103 of equipment, the lower end of the automatic alarm structure 106 and overload Structure 104 is protected to be sequentially connected, left end of the internal heat dissipation structures 105 inside the outer protect-ing frame structure 103 of equipment, described turn Startup structure 101 by left connection frame fixed block 10101, mini-roundabout synchronous belt 10102, conveyer belt 10103, composite sync band 10104, handle synchronizing wheel 10105, handle 10106, mini-roundabout 10107, mini-roundabout connecting rod 10108, right connection frame fixed block 10109, the first connection frame 10110, the second connection frame 10111, third connection frame 10112, the 4th connection frame 10113, sliding push away Plate 10114 forms, and the handle synchronizing wheel 10105 is interference fitted in the lower end of handle 10106, the composite sync band 10104 Clearance fit passes through composite sync band 10104 and conveying in the outer ring of handle synchronizing wheel 10105, the handle synchronizing wheel 10105 Right end with 10103 is sequentially connected, and the left end of the conveyer belt 10103 passes through mini-roundabout synchronous belt 10102 and mini-roundabout 10107 Rear-end transmission connection, the upper end of the mini-roundabout connecting rod 10108 is movably connected on the front of mini-roundabout 10107, described the The upper end of two connection frames 10111 is movably connected on the lower end of left connection frame fixed block 10101, the mini-roundabout connecting rod 10108 Lower mechanical be connected to the middle section of the second connection frame 10111, the upper end of first connection frame 10110 is movably connected on right company The lower end of frame fixed block 10109 is connect, the lower end of second connection frame 10111 and the upper mechanical of third connection frame 10112 connect It connects, the lower end of first connection frame 10110 is flexibly connected with the upper end of the 4th connection frame 10113, the third connection frame 10112 lower end is slidably connected to the left end of sliding 10114 upper surface of push plate, the lower end sliding of the 4th connection frame 10113 It is connected to the right end of sliding 10114 upper surface of push plate, the rack-driving structure 102 is consolidated by rack gear connecting rod 10201, right rack gear Reservation 10202, right rack gear 10203, spur gear 10204, rack gear connecting line 10205, right transfer wire 10206, reset spring 10207, left rack gear 10208, left rack fixing seat 10209 form, and the left rack gear 10208 is slidably connected to left rack fixing seat 10209 right surface, the rack gear connecting rod 10201 are movably connected on the upper end of left rack gear 10208, the spur gear 10204 It is engaged on the right side of left rack gear 10208, right 10203 clearance fit of rack gear is in the right side of spur gear 10204, the right rack gear 10203 are slidably connected to the left side of right rack fixing seat 10202, and the upper end glue connection of the rack gear connecting line 10205 is connected to right tooth The lower end of item 10203, the lower end of the rack gear connecting line 10205 are fitted in the left end of right transfer wire 10206, the reset bullet 10207 glue connection of spring is connected to the lower surface of right transfer wire 10206, and the rack gear connecting rod 10201 is movably connected on sliding push plate 10114 lower end, the overcurrent protection structure 104 is by long connecting column 10401, short connecting column 10402, electromagnet 10403, Zuo Chuan Transporting line 10404, overload protective device 10405, support plate 10406, fixed link 10407, balancing pole 10408, portable pillar 10409, Traffic cycle 10410, traffic cycle synchronous belt 10411 form, and left 10404 glue connection of transfer wire is connected to overload protective device 10405 Right end, the overload protective device 10405 is welded in the lower end inside the outer protect-ing frame structure 103 of equipment, the patch of electromagnet 10403 The right end in 10406 upper surface of support plate is closed, the fixed link 10407 is embedded in the middle section of 10406 upper surface of support plate, described flat Weighing apparatus bar 10408 is movably connected on the upper end of fixed link 10407, and the lower mechanical of the short connecting column 10402 is connected to balancing pole The upper end of 10408 right end, the short connecting column 10402 is movably connected on the right end of long connecting column 10401, the portable pillar 10409 lower mechanical is connected to the left end of long connecting column 10401, and the upper end of the portable pillar 10409 is movably connected on big turn The front of disk 10410, the traffic cycle synchronous belt 10411 are nested in the outer ring of traffic cycle 10410, the internal heat dissipation structures 105 by big shaft 10501, blade 10502, big synchronizing wheel 10503, shaft fixing block 10504, heat dissipation synchronous belt 10505, heat dissipation Synchronizing wheel 10506, radiating motor 10507 form, and the big shaft 10501 is movably connected on the left end of shaft fixing block 10504, The big synchronizing wheel 10503 is nested in the outer ring of big shaft 10501, and the blade 10502 is welded in a left side for big shaft 10501 End, the heat dissipation synchronizing wheel 10506 are interference fitted in the left end of radiating motor 10507, and the heat dissipation synchronizing wheel 10506 is by dissipating Hotsync band 10505 and big synchronizing wheel 10503 are sequentially connected, and the automatic alarm structure 106 is by battery 10601, alarm lamp 10602, electric wire 10603, the first contact block 10604, thin shaft 10605, the second contact block 10606, contact block fixed plate 10607, thin shaft synchronizing wheel 10608, long synchronous belt 10609, right gear axis 10610, left gear axis 10611, the first tooth plate 10612, the second tooth plate 10613, rotary fluted disc 10614, fluted disc synchronous belt 10615, roller 10616 form, the alarm lamp 10602 are electrically connected by electric wire 10603 with battery 10601, and second contact block 10606 is fitted in contact block fixed plate The lower end of 10607 left surfaces, 10604 glue connection of the first contact block are connected to the upper end of thin shaft 10605, and the thin shaft is synchronous Wheel 10608 is interference fitted in the lower end of thin shaft 10605, and the left end clearance fit of the long synchronous belt 10609 is in left gear axis The right end of 10611 outer ring, the long synchronous belt 10609 is interference fitted in the outer ring of right gear axis 10610, the right gear axis 10610 is identical as 10611 shape size of left gear axis, and 10613 clearance fit of the second tooth plate is on the right side of left gear axis 10611 Side, first tooth plate 10612 are engaged on the left side of right gear axis 10610, first tooth plate 10612 and the second tooth plate 10613 is parallel to each other, and the right end of the rotary fluted disc 10614 is meshed with the left end of the first tooth plate 10612, and the fluted disc is synchronous In the front end of rotary fluted disc 10614, the lower end of the fluted disc synchronous belt 10615 is interference fitted for upper gap cooperation with 10615 In the front end of roller 10616, the front end of the rotary fluted disc 10614 passes through the front end of fluted disc synchronous belt 10615 and roller 10616 Transmission connection, the roller 10616 are sequentially connected by traffic cycle synchronous belt 10411 and traffic cycle 10410, and the hanging ring pastes ear 11 material is stainless steel, and movement that is durable and being convenient for equipment, the air channel 10 improves the radiating rate of equipment, just In the heat dissipation of equipment.

Ammeter 13 described in this patent refers to the instrument for measuring electric current in AC and DC circuit, in circuit diagram, electricity The symbol of flow table is " circle A ", and current value is with " peace " or " A " for standard unit.

At work, operator places equipment in place, and voltmeter 12 and ammeter 13 can show this The size of voltage and electric current that equipment passes through, when the voltage or current that cable 7 passes through is excessive, overload protective device 10405 Automatically circuit can be disconnected, after then electromagnet 10403 passes through without electric current, be lost magnetism, the right end of balancing pole 10408 by Gravity influences, and then 10408 left end of balancing pole rises, and right end decline, short connecting column 10402, which moves down, makes long connecting column The decline of 10401 right ends, left end rise, and then move up portable pillar 10409, push traffic cycle 10410 to rotate, traffic cycle After 10410 rotations, roller 10616 is driven by traffic cycle synchronous belt 10411, rotates roller 10616, then roller 10616 Rotary fluted disc 10614 is driven by fluted disc synchronous belt 10615, rotates rotary fluted disc 10614, rotary fluted disc 10614 rotates band Dynamic first tooth plate 10612 and the second tooth plate 10613 rotate the first tooth plate 10612 and the second tooth plate 10613, then the first tooth Plate 10612 and the second tooth plate 10613 drive right gear axis 10610 and left gear axis 10611, make right gear axis 10610 and left tooth Wheel shaft 10611 rotates, and then right gear axis 10610 and left gear axis 10611 pull long synchronous belt 10609, long synchronous belt 10609 Rotate thin shaft synchronizing wheel 10608, the thin rotation of shaft synchronizing wheel 10608 rotates thin shaft 10605, then the first contact block 10604 contact with the second contact block 10606, and the small circuit of battery 10601 is switched on, and battery 10601 is alarm as power supply body Lamp 10602 is powered, and then alarm lamp 10602 lights, after operator observes 10602 exception of alarm lamp, manually to handle 10106 It is rotated, then handle synchronizing wheel 10105 is rotated by 10104 driving conveying belt 10103 of composite sync band, conveyer belt 10103 drive mini-roundabout 10107 to rotate further through mini-roundabout synchronous belt 10102, and the rotation of mini-roundabout 10107 makes mini-roundabout connecting rod 10108 move down, and then the first connection frame 10110 makes third connection frame with the second connection frame 10111 with moving down 10112 move down with the 4th connection frame 10113, then push sliding push plate 10114, move down sliding push plate 10114, It slides push plate 10114 and pushes rack gear connecting rod 10201, move down left rack gear 10208, then spur gear 10204 is counterclockwise Rotation, moves up right rack gear 10203, and then right rack gear 10203 pulls right transfer wire by rack gear connecting line 10205 10206, move up right transfer wire 10206, reset spring 10207 is stretched, and right transfer wire 10206 is led with left transmission Line 10404 disconnects, and is disconnected the circuit of cable 7, and inside equipment when the temperature is excessively high, operator opens heat dissipation electricity Machine 10507 after radiating motor 10507 rotates, drives heat dissipation synchronizing wheel 10506, and the synchronizing wheel 10506 that then radiates is same by heat dissipation Step band 10505 drives big synchronizing wheel 10503 to rotate, and then the big rotation of shaft 10501 makes blade 10502 with rotation, to equipment It radiates.

The utility model solves the equipment of the prior art when the voltage or current instantaneous value that cable transmits is excessive, no Can be good at protecting cable, voltage or current may be more than the tolerance range of cable, and so that cable is damaged, Even influence whether the normal operation of power supply line, the utility model is combined with each other by above-mentioned component, is passed through when cable When the instantaneous value of voltage or current is more than the tolerance range of cable, equipment can automatically be disconnected circuit, and cable is prevented to be burned And when cable run needs to repair, can the branch to cable run powered off manually, it is easy to use.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of bridge cable protective device for municipal science of bridge building, structure includes overload protection and disconnects device manually (1), left switching door (2), hand handle (3), right switching door (4), fixed hole (5), fixed bottom plate (6), cable (7), convex block (8), control panel (9), air channel (10), hanging ring paste ear (11), voltmeter (12), ammeter (13), it is characterised in that:

Hanging ring patch ear (11) is welded in overload protection and disconnects the center of device (1) upper surface, the ammeter manually (13) glue connection is connected to overload protection and disconnects device (1) positive left upper end manually, and the voltmeter (12) is fitted in ammeter (13) right side, the voltmeter (12) and ammeter (13) are in same level, and the control panel (9) passes through screw It is fixed on overload protection and disconnects device (1) positive upper right side manually, the left switching door (2) is embedded in overload protection and manually Device (1) positive lower-left end is disconnected, the right switching door (4) disconnects device (1) positive right side embedded in overload protection and manually Lower end, the hand handle (3) are welded in left switching door (2) positive right end, and the fixed bottom plate (6) is fitted in overload protection and hand The lower end of dynamic circuit breaker opening apparatus (1), the fixed hole (5) is identical equipped with more than two and shape size altogether, the fixed hole (5) embedded in four angles of fixed bottom plate (6) upper surface, cable (7) clearance fit is filled in overload protection and manually disconnection The lower end on (1) right surface is set, the convex block (8) is welded in overload protection and disconnects the middle section on device (1) right surface manually, described Air channel (10) disconnects the upper end on device (1) right surface embedded in overload protection and manually；

The overload protection and manually disconnect device (1) by handle startup structure (101), rack-driving structure (102), equipment outside Protect-ing frame structure (103), overcurrent protection structure (104), internal heat dissipation structures (105), automatic alarm structure (106) composition；

The handle startup structure (101) is welded in the internal right end of the outer protect-ing frame structure (103) of equipment, the rack-driving structure (102) it is movably connected on the lower end of handle startup structure (101), the overcurrent protection structure (104) is welded in outside equipment and protects The internal lower end of frame (103), the lower end and overcurrent protection structure (104) of the automatic alarm structure (106) are sequentially connected, institute State internal heat dissipation structures (105) left end internal embedded in the outer protect-ing frame structure (103) of equipment.

2. a kind of bridge cable protective device for municipal science of bridge building according to claim 1, it is characterised in that: institute State handle startup structure (101) by left connection frame fixed block (10101), mini-roundabout synchronous belt (10102), conveyer belt (10103), Composite sync band (10104), handle synchronizing wheel (10105), handle (10106), mini-roundabout (10107), mini-roundabout connecting rod (10108), right connection frame fixed block (10109), the first connection frame (10110), the second connection frame (10111), third connection frame (10112), the 4th connection frame (10113), sliding push plate (10114) composition.

3. a kind of bridge cable protective device for municipal science of bridge building according to claim 2, it is characterised in that: institute State the lower end that handle synchronizing wheel (10105) is interference fitted in handle (10106), composite sync band (10104) clearance fit In the outer ring of handle synchronizing wheel (10105), the handle synchronizing wheel (10105) passes through composite sync band (10104) and conveyer belt (10103) right end transmission connection, the left end of the conveyer belt (10103) pass through mini-roundabout synchronous belt (10102) and mini-roundabout (10107) rear-end transmission connection, the upper end of the mini-roundabout connecting rod (10108) is movably connected on mini-roundabout (10107) Front, the upper end of second connection frame (10111) is movably connected on the lower end of left connection frame fixed block (10101), described small The lower mechanical of turntable connecting rod (10108) is connected to the middle section of the second connection frame (10111), first connection frame (10110) upper end is movably connected on the lower end of right connection frame fixed block (10109), under second connection frame (10111) End is connect with the upper mechanical of third connection frame (10112), the lower end of first connection frame (10110) and the 4th connection frame (10113) upper end is flexibly connected, and the lower end of the third connection frame (10112) is slidably connected in sliding push plate (10114) The left end on surface, the lower end of the 4th connection frame (10113) are slidably connected to the right end of sliding push plate (10114) upper surface.

4. a kind of bridge cable protective device for municipal science of bridge building according to claim 1, it is characterised in that: institute Rack-driving structure (102) is stated by rack gear connecting rod (10201), right rack fixing seat (10202), right rack gear (10203), straight-tooth Take turns (10204), rack gear connecting line (10205), right transfer wire (10206), reset spring (10207), left rack gear (10208), Left rack fixing seat (10209) composition, the left rack gear (10208) are slidably connected to the right table of left rack fixing seat (10209) Face, the rack gear connecting rod (10201) are movably connected on the upper end of left rack gear (10208), and the spur gear (10204) is engaged on The right side of left rack gear (10208), right rack gear (10203) clearance fit is in the right side of spur gear (10204), the right rack gear (10203) left side of right rack fixing seat (10202), the upper end glue connection of the rack gear connecting line (10205) are slidably connected to In the lower end of right rack gear (10203), the lower end of the rack gear connecting line (10205) is fitted in a left side for right transfer wire (10206) End, reset spring (10207) glue connection are connected to the lower surface of right transfer wire (10206).

5. a kind of bridge cable protective device for municipal science of bridge building according to claim 1, it is characterised in that: institute Overcurrent protection structure (104) is stated by long connecting column (10401), short connecting column (10402), electromagnet (10403), left transfer wire (10404), overload protective device (10405), support plate (10406), fixed link (10407), balancing pole (10408), portable pillar (10409), traffic cycle (10410), traffic cycle synchronous belt (10411) composition, left transfer wire (10404) glue connection were connected to The right end of protector (10405) is carried, the overload protective device (10405) is welded under outer protect-ing frame structure (103) inside of equipment End, the electromagnet (10403) are fitted in the right end of support plate (10406) upper surface, and the fixed link (10407) is embedded in support The middle section of plate (10406) upper surface, the balancing pole (10408) are movably connected on the upper end of fixed link (10407), the short company The lower mechanical for connecing column (10402) is connected to the right end of balancing pole (10408), the upper end activity of the short connecting column (10402) It is connected to the right end of long connecting column (10401), the lower mechanical of the portable pillar (10409) is connected to long connecting column (10401) Left end, the upper end of the portable pillar (10409) is movably connected on the front of traffic cycle (10410), the traffic cycle synchronous belt (10411) it is nested in the outer ring of traffic cycle (10410).

6. a kind of bridge cable protective device for municipal science of bridge building according to claim 1, it is characterised in that: institute Internal heat dissipation structures (105) are stated by big shaft (10501), blade (10502), big synchronizing wheel (10503), shaft fixing block (10504), it radiates synchronous belt (10505), heat dissipation synchronizing wheel (10506), radiating motor (10507) composition, the big shaft (10501) it is movably connected on the left end of shaft fixing block (10504), the big synchronizing wheel (10503) is nested in big shaft (10501) outer ring, the blade (10502) are welded in the left end of big shaft (10501), the heat dissipation synchronizing wheel (10506) Be interference fitted in the left end of radiating motor (10507), the heat dissipation synchronizing wheel (10506) by heat dissipation synchronous belt (10505) with Big synchronizing wheel (10503) transmission connection.

7. a kind of bridge cable protective device for municipal science of bridge building according to claim 1, it is characterised in that: institute State automatic alarm structure (106) by battery (10601), alarm lamp (10602), electric wire (10603), the first contact block (10604), Thin shaft (10605), the second contact block (10606), contact block fixed plate (10607), thin shaft synchronizing wheel (10608), length are same Step band (10609), right gear axis (10610), left gear axis (10611), the first tooth plate (10612), the second tooth plate (10613), Rotary fluted disc (10614), fluted disc synchronous belt (10615), roller (10616) composition.

8. a kind of bridge cable protective device for municipal science of bridge building according to claim 7, it is characterised in that: institute It states alarm lamp (10602) to be electrically connected by electric wire (10603) with battery (10601), second contact block (10606) is fitted in The lower end of contact block fixed plate (10607) left surface, the first contact block (10604) glue connection are connected to thin shaft (10605) Upper end, the thin shaft synchronizing wheel (10608) are interference fitted in the lower end of thin shaft (10605), the long synchronous belt (10609) Left end clearance fit in the outer ring of left gear axis (10611), the right end of the long synchronous belt (10609) is interference fitted in right tooth The outer ring of wheel shaft (10610), the right gear axis (10610) is identical as left gear axis (10611) shape size, second tooth Plate (10613) clearance fit is engaged on right gear axis in the right side of left gear axis (10611), first tooth plate (10612) (10610) left side, first tooth plate (10612) and the second tooth plate (10613) are parallel to each other, the rotary fluted disc (10614) right end is meshed with the left end of the first tooth plate (10612), and the upper gap of the fluted disc synchronous belt (10615) is matched It closes in the front end of rotary fluted disc (10614), the lower end of the fluted disc synchronous belt (10615) is interference fitted in roller (10616) Front end, the front end of the rotary fluted disc (10614) is driven by the front end of fluted disc synchronous belt (10615) and roller (10616) to be connected It connects.