CN110203110B - Disconnectable joint device of rigid contact net busbar - Google Patents
Disconnectable joint device of rigid contact net busbar Download PDFInfo
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- CN110203110B CN110203110B CN201910637357.3A CN201910637357A CN110203110B CN 110203110 B CN110203110 B CN 110203110B CN 201910637357 A CN201910637357 A CN 201910637357A CN 110203110 B CN110203110 B CN 110203110B
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims description 5
- 230000007123 defense Effects 0.000 description 21
- 230000002265 prevention Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
Abstract
The invention discloses a disconnectable joint device of a bus bar of a rigid contact net, which comprises a disconnectable middle bus bar, a first fixed bus bar and a second fixed bus bar positioned at two ends of the disconnectable middle bus bar, wherein the two ends of the disconnectable middle bus bar are respectively connected with a first insulating support and a second insulating support through locking mechanisms which are symmetrically arranged, each locking mechanism comprises a lock rod, a lock tongue arranged at the end part of the lock rod, a sliding seat connected to the disconnectable middle bus bar and a positioning seat connected to the end parts of the first insulating support and the second insulating support, the lock rod is a triangular prism body and is in sliding connection with the sliding seat provided with a corresponding inner cavity, and the lock tongue is a triangular prism body with a conical shape and is spliced with the positioning seat provided with the corresponding inner cavity; the trigger mechanism is connected to the disconnectable middle busbar, one end of the trigger mechanism is connected with the lock rod through a stay wire, and the other end of the trigger mechanism is provided with a contact rod. The device simple structure, the practicality is strong, simple to operate between middle busbar and the fixed busbar, and positioning accuracy is high.
Description
Technical Field
The invention belongs to the technical field of urban rail transit, and particularly relates to a disconnectable joint device of a rigid contact network busbar for subway civil air defense doors and flood gate sections.
Background
With the rapid development of urban rail transit construction in China, the form of rigid suspension overhead lines is widely used. The rigid suspension contact net is a system formed by embedding contact wires into bus bars connected end to end, and is an important device for supplying electric power to locomotives of electrified railways and rail transit vehicles.
The civil air defense doors are widely designed in urban subway tunnel construction, the flood prevention doors are designed when the tunnel passes through the lower part of a river channel, and the rigid suspension overhead contact system needs to quickly close the civil air defense doors and the flood prevention doors of the tunnel when encountering special conditions of war and serious water leakage so as to ensure the safety of the tunnel and personnel. However, under the barrier of busbar, people's air defense door and prevent flooding door can't thoroughly close, need send the people to get into in the tunnel, demolish people's air defense door, one section busbar of preventing flooding door department from whole contact net system, when the condition is urgent or the water supply is great, in personnel's unable entering tunnel, even get into in the tunnel, current design problem also makes demolishment more time consuming and laborious.
Chinese patent application No. 201710810048.2 discloses an automatic disconnection device of rigid contact net, including two sections fixed busbar and the breakable middle busbar of setting between two fixed busbar, middle detachable busbar one end is the detachable connection with a fixed busbar, and the other end is rotatory movable connection with another fixed busbar. The technical scheme is only suitable for the use occasions where the flood gate is closed but not suitable for the civil air defense gate.
Chinese patent application number 201120452205.5 discloses a disconnectable busbar joint device of rigid contact net, including busbar a end, busbar B end and be in the linkage segment between the two, busbar a end and B end are connected with the linkage segment both ends through slidingtype busbar joint, still include the aggregate unit that makes slidingtype busbar joint motion. According to the technical scheme, the middle connecting section falls horizontally, the problem that the connecting section is disconnected when the civil air defense door and the flood prevention door are closed is solved, but the sliding busbar joint and the linkage device structure are adopted, and in addition, different closing modes of the flood prevention door and the civil air defense door (the civil air defense door is closed in a fan shape from the side surface, and the flood prevention door falls from the top to be closed) are required to be provided with additional steel wire rope traction guide devices, so that the joint device structure is complex and has high cost; the steel wire rope also needs to be broken to close the door, so that the practicability is not strong; the two ends of the connecting section are fixedly sleeved by the movable joint in a sliding manner, so that the alignment precision is poor, and the reinstallation is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the rigid contact net busbar disconnectable joint device which has the advantages of simple structure, strong practicability, convenient installation between the middle busbar and the fixed busbar and high positioning precision and is used for disconnecting the rigid contact net when the civil air defense door or the flood prevention door is closed in an emergency.
In order to solve the technical problems, the technical scheme adopted by the invention is that the disconnectable joint device for the bus bar of the rigid contact net comprises a disconnectable middle bus bar, a first fixed bus bar and a second fixed bus bar which are positioned at two ends of the disconnectable middle bus bar, wherein two ends of the disconnectable middle bus bar are respectively connected with a first insulating support and a second insulating support through locking mechanisms which are symmetrically arranged, the locking mechanisms comprise locking bars, locking bolts arranged at the end parts of the locking bars, sliding seats connected to the disconnectable middle bus bar and connecting to the end parts of the first insulating support and the second insulating support, the locking bars are triangular prism bodies and are in sliding connection with the sliding seats provided with corresponding inner cavities, and the locking bolts are triangular prism bodies with conical shapes and are in plug connection with the positioning seats provided with the corresponding inner cavities; the trigger mechanism is connected to the disconnectable middle busbar, one end of the trigger mechanism is connected with the lock rod through a stay wire, and the other end of the trigger mechanism is provided with a contact rod.
Preferably, two ends of the disconnectable middle busbar are respectively connected with double-wing conductive sliding shoes.
In any of the above embodiments, it is preferable that an electrical connection wire with spiral winding is connected between both ends of the disconnectable intermediate bus bar and the adjacent first fixed bus bar and second fixed bus bar, or an electrical connection wire with spiral winding is connected between one end and the adjacent first fixed bus bar or second fixed bus bar.
Preferably, in any of the above aspects, the locking mechanism further comprises a guide bar connected to the lock bar, a guide bar slider connected to the disconnectable intermediate bus, and a tension spring connected between the guide bar slider and a free end of the guide bar.
In any of the above embodiments, preferably, the free end of the guide rod is provided with a wire hole for connecting the wire.
Preferably, in any of the above aspects, the triggering mechanism further comprises a rocker arm fixedly connected with the triggering rod and a busbar clamping seat connected to the disconnectable intermediate busbar.
In any of the above schemes, it is preferable that mounting holes for mounting stay wires are formed at two symmetrical ends of the rocker arm, a rotation pin hole is formed in the middle of the rocker arm, and the rocker arm and the trigger rod can rotate around the rotation pin.
In any of the above embodiments, the rocker arm and the trigger lever of the trigger mechanism may be mounted on the bus bar holder in a horizontal direction or a vertical direction.
Compared with the prior art, the disconnectable joint device for the rigid contact network busbar has the following beneficial effects:
1. because the two ends of the disconnectable intermediate bus bar are respectively connected with the first insulating support and the second insulating support through the locking mechanisms which are symmetrically arranged, the two ends of the first fixed bus bar and the second fixed bus bar are spaced from the two ends of the disconnectable intermediate bus bar, and the two ends of the first fixed bus bar and the two ends of the second fixed bus bar are not connected with each other, so that the structure of the connecting part is simplified.
2. The lock rod is a triangular prism body and is in sliding connection with the sliding seat provided with the corresponding inner cavity, and the lock tongue is a triangular prism body with a conical shape and is inserted into the positioning seat provided with the corresponding inner cavity, so that the lock rod cannot rotate during sliding movement in the sliding seat, and the relative position precision between the disconnectable middle bus bar and the fixed bus bars at the two ends is easier to ensure. The middle bus bar can be disconnected, so that the disconnection and the connection are more convenient.
3. Because the trigger mechanism with the trigger rod is arranged on the disconnectable middle bus, the rocker arm and the trigger rod of the trigger mechanism can be arranged on the bus clamping seat along the horizontal direction or the vertical direction, and the connector device is slightly modified, so that different closing modes of the civil air defense door or the flood prevention door can be met, and the universality of the device is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of a mounting structure according to a first embodiment of the present invention;
FIG. 2 is a schematic top view of the breakable intermediate bus bar of FIG. 1;
FIG. 3 is a schematic view of the locking mechanism of FIG. 2;
FIG. 4 is a schematic bottom view of FIG. 3;
FIG. 5 is a schematic view of the structure of section C-C of FIG. 4;
FIG. 6 is a schematic view of a partially enlarged construction of the disconnectable intermediate bus bar mounted double wing conductive shoe of FIG. 1;
FIG. 7 is a schematic front view of the structure of FIG. 6;
FIGS. 8 to 10 are views illustrating the use of the embodiment of the present invention when a security door is closed;
FIG. 11 is a schematic diagram of a mounting structure of a second embodiment of the present invention;
FIG. 12 is a schematic view of the large structure of the disconnectable intermediate manifold vent of FIG. 11;
fig. 13 to 16 are views showing the use of the flooding gate when the flooding gate is closed according to the second embodiment of the present invention.
Detailed Description
The construction and operation of the present invention will be described in detail with reference to the accompanying drawings, in combination with the embodiments.
Example one (for civil air defense door closing)
Referring to fig. 1 and 2, the disconnectable joint device for a rigid contact network busbar of the present invention comprises a disconnectable intermediate busbar 1, and a first fixed busbar 2 and a second fixed busbar 3 positioned at two ends of the disconnectable intermediate busbar 1, wherein two ends of the disconnectable intermediate busbar 1 are respectively connected with a first insulating support 7 and a second insulating support 8 through symmetrically arranged locking mechanisms 5. The first insulating support 7 is fixedly connected to the top wall 9 of the station interval tunnel, the second insulating support 8 is fixedly connected to the top wall 10 of the positive line interval tunnel, the section of the station interval tunnel is larger than that of the positive line interval tunnel, and the civil air defense door is generally arranged on one side of the station interval tunnel. The first fixed bus bar 2 and the second fixed bus bar 3 are respectively fixedly connected to the station section tunnel top wall 9 and the positive line section tunnel top wall 10 through a first insulating support 7 and a second insulating support 8. It can be seen that the first and second fixed buses 2 and 3 are spaced apart from the disconnectable intermediate bus 1 at both ends thereof, and are not connected to each other, thereby simplifying the structure.
Referring to fig. 3, 4 and 5, the locking mechanism 5 is connected to the disconnectable intermediate bus 1, and specifically includes a slide 51, a lock lever 52, a lock tongue 521, a guide bar 522, a first wire connection hole 523, a guide bar slide 53, a spring hanger 531, a tension spring 54, a spring hanger pin 55, a bus bar holder 57 and a positioning holder 71.
The lock tongue 521 is located at one end of the lock rod 52, the guide rod 522 is located at the other end of the lock rod 52, the lock rod 52 and the lock tongue 521 are integrally connected in a triangular prism, the lock tongue is tapered, a first wire connecting hole 523 for connecting the wire 64 is formed in the free end of the guide rod 522, the sliding seat 51 and the guide rod sliding seat 53 are fixedly connected to the busbar clamping seat 57 respectively, a triangular prism surface corresponding to the lock rod 52 is arranged in an inner cavity of the sliding seat 51, the sliding seat 51 is sheathed on the lock rod 52 in sliding fit, the guide rod 522 is a cylinder, and the guide rod sliding seat 53 is sheathed on the guide rod 522 in sliding fit. Two symmetrical spring hanging lugs 531 are fixedly connected to one side, facing the free end of the guide rod 522, of the guide rod sliding seat 53, a spring hanging pin 55 is arranged at a proper position of the free end of the guide rod 522, the spring hanging pin 55 can be connected in a mode of punching a transverse hole on the guide rod 522 to penetrate through the pin, and a pair of stretching springs 54 are hung between the spring hanging lugs 531 and the spring hanging pin 55.
The positioning seat 71 is fixedly connected to the lower ends of the first insulating support rod 7 and the second insulating support rod 8, the inner cavity of the positioning seat is provided with a conical triangular prism surface corresponding to the lock tongue 521, and the lock tongue 521 is movably connected with the positioning seat 71 in a plugging manner.
Since the lock rod 52 is a triangular prism and is slidably connected with the sliding seat 51 provided with the corresponding inner cavity, the lock tongue 521 is a triangular prism with a conical shape and is inserted into the positioning seat 71 provided with the corresponding inner cavity, so that the lock rod 52 cannot rotate during sliding movement in the sliding seat 51, the relative position precision between the middle bus bar and the fixed bus bars at the two ends is easier to ensure, and the middle bus bar is more convenient to break and close.
A trigger mechanism 6 is connected to the disconnectable intermediate bus 1. Specifically, the trigger mechanism 6 is a simple lever mechanism including a trigger lever 61, a rocker arm 62, a bus bar holder 57, a wire 64, and a positioning lever 67. The triggering lever 61 is an elongated rod member, one end of which is provided with a pivot hole, and the other end of which extends outward, and the extended end is used for contacting the civil air defense door when the door is closed. The symmetrical two ends of the rocker arm 62 are respectively provided with a second stay wire connecting hole 63 for connecting a stay wire 64, and the middle is provided with a pivot pin hole. The busbar holder 57 is connected to the upper plane of the disconnectable intermediate busbar 1, a rotating shaft 66 is fixed in the vertical direction, the triggering lever 61 and the rocker arm 62 are fixedly connected together, the triggering lever 61 and the rocker arm 62 are sleeved on the rotating shaft 66 along the horizontal direction through a rotating pin hole, and can jointly rotate around the rotating shaft 66.
The stay wire 64 may be a thin steel wire rope, one end of which is connected to the first stay wire connection hole 523 of the guide bar 522, and the other end of which is connected to the second stay wire connection hole 63 of the swing arm 62. Because the pull wire 64 has flexibility, in order to prevent the condition that the trigger rod 61 can not be triggered when the civil air defense door is closed due to counterclockwise rotation in the use process, a positioning rod 67 is arranged between the disconnectable middle busbar 1 and the trigger rod 61, one end of the positioning rod 67 is fixedly connected with the disconnectable middle busbar 1, the other end of the positioning rod 67 blocks the trigger rod 61 to prevent the trigger rod 61 from counterclockwise rotation, and of course, other technical schemes can be adopted to prevent the trigger rod 61 from counterclockwise rotation, for example, a torsion spring for preventing the trigger rod 61 from counterclockwise rotation can be arranged between the rocker arm 62 and the busbar clamping seat 57 through a rotating shaft 66, the torsion force of the torsion spring is far smaller than the tension force of the tension spring 54, and the torsion force of the torsion spring is suitable for preventing the feeler rod 61 from counterclockwise rotation in a free state.
Referring to fig. 6 and 7, two ends of the disconnectable intermediate busbar 1 are respectively connected with a double-wing conductive sliding shoe 4, and the double-wing conductive sliding shoe 4 is composed of a buckling body 411, a wing plate 412 and a transition contact line 413 which are buckled in two halves symmetrically. The inner side of the fastening body 411, that is, the fastening surface side is provided with a current state of a cross section corresponding to the disconnectable busbar 1, and the fastening body 411 in two halves is clamped on the disconnectable busbar 1 by the bolts 42. A wing plate 412 is provided on the outer side of the engaging body 411, and both ends of the lower portion of the wing plate 412 extend in the longitudinal direction of the breakable bus bar 1 beyond a portion of the adjacent fixed bus bars 2, 3. The lower edge of the wing plate 412 is provided with a transition contact line 413. The fastening body 411 and the wing plate 412 are made of copper alloy or aluminum alloy material with better guidance, and the transition contact line 413 is made of wear-resistant copper alloy material.
Furthermore, an electrical connection wire 12 with a spiral winding is connected between both ends of the disconnectable intermediate bus bar 1 and the adjacent first and second fixed bus bars 2 and 3, respectively. The electric connection line 12 is fixedly connected with the first fixed bus bar 2 and the second fixed bus bar 3, and can be connected with the corresponding disconnectable intermediate bus bar 1 in a plugging and quick connection mode, so that the electric connection line is convenient to detach. When the disconnectable intermediate bus bar 1 breaks down, the spirally wound electrical connection wire 12 stretches to hold the disconnectable bus bar 1 away from the ground at a certain position, so that the situation that the disconnectable bus bar 1 falls down directly on the ground to cause damage is prevented.
Principle of operation
Referring to fig. 8 to 10, when in use, the free end of the feeler lever 61 faces one side of the civil air defense door 13, when emergency such as war is met, the civil air defense door 13 rotates around the hinged support anticlockwise to start closing, when the door surface of the civil air defense door 13 contacts the feeler lever 61, the triggering mechanism 6 starts to start, the civil air defense door continues to close, the feeler lever 61 is pressed to rotate clockwise, the stretching force of the stretching spring 54 is overcome, the pull wire 64, the guide rod 522 and the lock rod 52 are driven to shrink, the lock tongue 521 is separated from the positioning seat 71, the intermediate busbar 1 can be disconnected to fall, the electric connection wire 12 on the breakable busbar 1 is disassembled, the breakable busbar 1 is removed, and the civil air defense door can be closed.
Example two (for flood gate closing)
Referring to fig. 11 and 12, a disconnectable joint device embodiment of a rigid contact network busbar according to the present invention is mainly different from the first embodiment in that the installation direction of the triggering device 6 is different, the connection manner of the electrical connection line 12 is different, and the locking mechanism 5 is simplified.
The trigger device 6 is installed horizontally and vertically, specifically, a vertical plate 68 is additionally arranged on the busbar holder 57, a rotating shaft 66 is horizontally fixedly connected on the vertical plate 68, a touch rod 61 and a rocker 62 are sleeved on the rotating shaft 66 through a rotating pin hole to form vertical installation, the free end of the touch rod 61 faces upwards to the proper position of the lower end of the flood gate, and the trigger rod 61 is triggered by the lower end face of the flood gate.
The two ends of the disconnectable busbar 1 can be connected with the fixed busbars 2 and 3, and the other electrical connecting wire 12 is connected only at one end of the disconnectable busbar 1, i.e. the disconnectable busbar 1 is connected with the fixed busbar 2, or the disconnectable busbar 1 is connected with the fixed busbar 3, for different mounting modes of the electrical connecting wire 12. The connection mode is adopted, so that when the disconnectable middle bus bar 1 falls, the disconnectable middle bus bar 1 is hung in the air at one side of the fixed bus bar 2 or 3 by the electric connection line 12, the damage to the ground caused by direct falling is avoided, and meanwhile, the influence on closing of the flood gate caused by the falling of the disconnectable middle bus bar 1 in the middle of the flood gate is avoided.
For the simplified locking mechanism 5, because the closing of the flood gate requires a relatively short length of the disconnectable busbar 1, the guide bar slider 53 and the corresponding busbar holder 57 can be removed, the length of the guide bar 522 can be shortened, and the extension spring 54 can be hung on the slider 51, so that the structure can be simplified, and meanwhile, the use function can not be affected.
Principle of operation
Referring to fig. 13 to 16, in use, the free end of the feeler lever 61 is aligned upwardly to a proper position at the lower end of the flood gate 14, when emergency such as tunnel water penetration is encountered, the flood gate 14 falls down along the slideway, when the lower end surface of the flood gate 14 contacts the free end of the feeler lever 61, the trigger mechanism 6 starts to start, the flood gate 14 continues to fall down, the feeler lever 61 is pressed to rotate clockwise, the tension force of the tension spring 54 is overcome, the pull wire 64 and the lock lever 52 are driven to retract, the lock tongue 521 is separated from the positioning seat 71, the intermediate bus bar 1 can be disconnected to fall, at this time, the intermediate bus bar 1 can be disconnected to be hung in the air at one side of the fixed bus bar 2 by the electric connection wire 12, and the flood gate 14 falls down to be closed.
As can be seen from the above embodiments one and two, since both ends of the disconnectable intermediate bus bar 1 are connected to the first and second insulating supports 7, 8 by the symmetrically arranged locking mechanisms 5, respectively, the first and second fixed bus bars 2, 3 are spaced apart from both ends of the disconnectable intermediate bus bar 1 without a connection relationship therebetween, thereby simplifying the structure of the connection.
Since the lock rod 52 is a triangular prism and is slidably connected with the sliding seat 51 provided with the corresponding inner cavity, and the lock tongue 521 is a triangular prism with a cone shape and is inserted into the positioning seat 71 provided with the corresponding inner cavity, the lock rod 52 does not generate rotation phenomenon during sliding movement in the sliding seat 51, the relative position precision between the disconnectable intermediate bus bar 1 and the fixed bus bars 2 and 3 at the two ends is easier to ensure, and the disconnectable intermediate bus bar 1 is more convenient to break and close.
Because the trigger mechanism 6 with the trigger rod 61 is arranged on the disconnectable middle bus bar 1, the rocker arm 62 and the trigger rod 61 of the trigger mechanism 6 can be arranged on the bus bar clamping seat 57 along the horizontal direction or the vertical direction, and the connector device can be slightly modified to meet different closing modes of the civil air defense door or the flood prevention door, thereby improving the universality of the device.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a disconnectable joint device of rigid contact net busbar, includes disconnectable intermediate buss bar (1) and is located first fixed busbar (2) and second fixed busbar (3) at disconnectable intermediate buss bar (1) both ends, its characterized in that: the two ends of the disconnectable middle bus bar (1) are respectively connected with the first insulating support (7) and the second insulating support (8) through locking mechanisms (5) which are symmetrically arranged, the locking mechanisms (5) comprise locking bars (52), locking bolts (521) arranged at the end parts of the locking bars (52), sliding seats (51) connected to the disconnectable middle bus bar (1) and positioning seats (71) connected to the end parts of the first insulating support (7) and the second insulating support (8), the locking bars (52) are triangular prism bodies and are in sliding connection with the sliding seats (51) provided with corresponding inner cavities, and the locking bolts (521) are triangular prism bodies with conical shapes and are in plug-in connection with the positioning seats (71) provided with corresponding inner cavities; the device also comprises a triggering mechanism (6) which is connected to the disconnectable intermediate busbar (1), one end of which is connected with the lock rod (52) through a stay wire (64), and the other end of which is provided with a triggering rod (61).
2. A rigid catenary bus disconnectable joint assembly according to claim 1, wherein: two ends of the disconnectable middle busbar (1) are respectively connected with double-wing conductive sliding shoes (4).
3. A rigid catenary bus disconnectable joint assembly according to claim 1 or 2, characterized in that: an electric connecting wire (12) with spiral winding is connected between two ends of the disconnectable middle bus bar (1) and the adjacent first fixed bus bar (2) and the adjacent second fixed bus bar (3), or an electric connecting wire (12) with spiral winding is connected between one end of the disconnectable middle bus bar and the adjacent first fixed bus bar (2) or the adjacent second fixed bus bar (3).
4. A rigid catenary bus disconnectable joint assembly according to claim 1, wherein: the locking mechanism (5) further comprises a guide bar (522) connected to the lock bar (52), a guide bar slider (53) connected to the disconnectable intermediate bus (1), and a tension spring (54) connected between the guide bar slider (53) and the free end of the guide bar (522).
5. A rigid catenary bus disconnectable joint assembly according to claim 4, wherein: the free end of the guide rod (522) is provided with a stay wire hole (523) connected with the stay wire (64).
6. A rigid catenary bus disconnectable joint assembly according to claim 1, wherein: the triggering mechanism (6) further comprises a rocker arm (62) fixedly connected with the triggering rod (61) and a busbar clamping seat (57) connected to the disconnectable middle busbar (1).
7. A rigid catenary bus disconnectable joint assembly according to claim 6, wherein: the two symmetrical ends of the rocker arm (62) are provided with mounting holes (63) for mounting the pull wires (64), the middle is provided with a rotating pin hole, and the rocker arm (62) and the trigger rod (61) can rotate around a rotating pin (66).
8. A rigid catenary bus disconnectable joint assembly according to claim 6, wherein: the rocker arm (62) and the trigger lever (61) of the trigger mechanism (6) can be mounted on the busbar holder (57) in the horizontal direction or the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637357.3A CN110203110B (en) | 2019-07-15 | 2019-07-15 | Disconnectable joint device of rigid contact net busbar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637357.3A CN110203110B (en) | 2019-07-15 | 2019-07-15 | Disconnectable joint device of rigid contact net busbar |
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| CN110203110A CN110203110A (en) | 2019-09-06 |
| CN110203110B true CN110203110B (en) | 2024-02-13 |
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