CN112590625B - Suspension and fixation device for low-clearance rigid contact network busbar - Google Patents
Suspension and fixation device for low-clearance rigid contact network busbar Download PDFInfo
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- CN112590625B CN112590625B CN202011593687.6A CN202011593687A CN112590625B CN 112590625 B CN112590625 B CN 112590625B CN 202011593687 A CN202011593687 A CN 202011593687A CN 112590625 B CN112590625 B CN 112590625B
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- rotating arm
- annular groove
- suspension
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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
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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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
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a suspension and positioning device for a low-clearance rigid contact net busbar, and belongs to the technical field of rail transit. It has solved the inconvenient problem of current busbar pulling value regulation control. This a hang positioner for low headroom rigidity contact net busbar includes base and swinging boom, has in the base to be the annular ring channel of circle, is equipped with a plurality of in the ring channel and can follows the gliding connection retaining member of ring channel, makes the inner of swinging boom link to each other with the base and the swinging boom can rotate around the base through connecting the retaining member, and the locking connection retaining member enables the swinging boom and links firmly mutually with the base. This hang the setting device of low headroom rigidity contact net busbar has busbar pulling value and adjusts control convenient advantage.
Description
Technical Field
The invention belongs to the technical field of rail transit, and relates to a suspension and positioning device for a low-clearance rigid contact net busbar.
Background
A suspension system of an overhead rigid contact network of urban rail transit is characterized in that a cantilever supporting device is fixed on a tunnel wall and used for supporting a suspension wire clamp. And to the problem that the tunnel headroom constantly reduces, traditional cantilever supports are applicable to great headroom, can't satisfy the installation of overhead rigid contact net suspension under the low headroom.
In view of the above problems, various improvements have been made, and some patents have been applied, for example, chinese patent documents disclose a cantilever supporting device for overhead rigid overhead contact system of low clearance tunnel [ application number: 201910002401.3, respectively; application publication No.: CN109606206A ], which comprises a supporting base fixedly installed on the tunnel wall, wherein a supporting frame is movably connected to the supporting base, the supporting frame is obliquely arranged along the vault of the tunnel, the end part of the supporting frame is connected with an insulating part, an adjusting support is connected to the insulating part, and a suspension wire clamp capable of being movably adjusted on the adjusting support is arranged on the adjusting support.
The cantilever strutting arrangement of this kind of structure is equipped with spacing groove and guide way on adjusting the support, and spacing groove and guide way set up along adjusting support length direction for install the suspension clamp on adjusting the support and can realize position control along adjusting support length direction, and the suspension clamp centre gripping is on the busbar, controls the pulling value of busbar through the position of adjusting the suspension clamp, reduces pantograph wearing and tearing, improves life. However, in the cantilever supporting device with the structure, the suspension wire clamp needs to be manually pushed to move along the limiting groove and the guide groove during adjustment, the suspension wire clamp is clamped in the pushing process, and the suspension wire clamp is inconvenient to push and adjust; meanwhile, the space between the suspension wire clamp and the adjusting support is very small, the operation space when the suspension wire clamp is fixedly connected with the adjusting support is very small, the suspension wire clamp is inconvenient to fixedly connect and the adjusting support is inconvenient to adjust.
Disclosure of Invention
The invention aims to provide a suspension and positioning device for a low-clearance rigid contact net busbar aiming at the problems in the prior art, and solves the technical problem of how to conveniently adjust and control a pull-out value.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a hang the setting device for low headroom rigidity contact net busbar, includes the base, its characterized in that still includes the swinging boom, it is annular ring channel of circle to have in the base, be equipped with a plurality of in the ring channel and can follow the gliding connection retaining member of ring channel, through connect the inner that the retaining member made the swinging boom and link to each other just with the base the swinging boom can rotate around the base, locks connect the retaining member and enable the swinging boom and link firmly mutually with the base.
The base is used for being directly and fixedly connected with the tunnel wall body, or the base is fixedly connected with the tunnel wall body through an insulator, and the outer end of the rotating arm is connected with the suspension wire clamp. When the pulling-out value of busbar was adjusted, earlier made the swinging boom and the base link to each other but not linked firmly through connecting the retaining member, made the swinging boom rotate around the base through rotating the swinging boom to drive and hang the fastener and remove, make the displacement that hangs fastener pulling busbar skew and set for, the busbar pulls out the position back, and the locking member of relocking connection makes swinging boom and base link firmly mutually, and the busbar pulling-out value adjustment is accomplished. The suspension fixing device realizes adjustment and control of a pull-out value by rotating the rotating arm, and the pull-out value is fixed by locking the connecting locking part, so that the adjustment and control of the pull-out value are convenient; connect the retaining member simultaneously and be located the inner of swinging boom, hang the fastener and be located the outer end of swinging boom, have one section distance between the two, operating space is big, and the operator can not have the problem of hindrance when locking connection retaining member, and the pulling-out value of busbar regulation control is convenient. Adjust along adjusting support length direction for hanging the fastener, carry out the straight line adjustment along the width direction in tunnel promptly, this rotary arm that hangs the setting device rotates and is the adjustment of curved face, and the length direction in rational utilization tunnel makes this central point that hangs the setting device and can install the tunnel top put, does not have the problem of touching, realizes low headroom installation.
In foretell a hang the fixing device for low headroom rigidity contact net busbar, the inner of swinging boom has first locating hole, the second locating hole has in the base, the second locating hole is located the center of ring channel, wears to establish through the fastener and makes in first locating hole and second locating hole base and swinging boom are fixed a position mutually. The fastener can be the bolt, and first locating hole, second locating hole and fastener play location and spacing effect, can not deviate the settlement position when making the swinging boom rotate around the base, makes the swinging boom be difficult for droing, squinting through setting up of fastener to the pull-out value of control busbar that can be accurate.
As another situation, in the above-mentioned suspension fixing device for a low-clearance rigid contact network busbar, the inner end of the rotating arm has a first positioning hole, the base has a protruding positioning pin therein, the positioning pin is located at the center of the annular groove, and the base and the rotating arm are positioned by the positioning pin penetrating through the first positioning hole. First locating hole and locating pin play location and spacing effect, can not deviate the settlement position when making the swinging boom rotate around the base to the pull-out value of control busbar that can be accurate.
In foretell a hang the fixing device for low headroom rigidity contact net busbar, it includes bolt and nut to connect the retaining member, the transversal shape of personally submitting the type of protruding of ring channel, the head of bolt makes bolt and base looks joint in imbedding into the ring channel, the pole portion of bolt passes ring channel and swinging boom and makes the swinging boom link to each other with the base, through the nut cover is in the pole portion of bolt and screws and make swinging boom and base link to each other. The bolt and the nut are conventional structures, specially-made structures are not needed, the T-shaped structure of the bolt is matched with the annular groove with the cross section in the shape of the convex letter, the bolt and the base can be clamped, the bolt cannot fall off and can move along the annular groove, the rotating arm can rotate relative to the base, and the rotating arm and the base can be fixedly connected by screwing the nut, so that the rotating arm and the base are convenient to fixedly connect.
As another kind of condition, in foretell a hang the fixing device for low headroom rigidity contact net busbar, it is the rivet to connect the retaining member, the transversal shape of personally submitting the type of protruding of ring channel, the head of rivet is embedded into the ring channel and is made rivet and base looks joint, the pole portion of rivet passes the ring channel and makes the swinging boom link to each other with the base with the swinging boom, and it makes swinging boom and base link firmly mutually to rivet through the rivet. The bus bar is very long, the pull-out value of each position of the bus bar is set, the bus bar can be accurately adjusted only during assembly, and the position of the base cannot be changed during subsequent maintenance, so that the base and the rotating arm can be directly locked through the rivet.
In foretell a hang the static device for low headroom rigidity contact net busbar, mounting hole and intercommunication groove have on the base, mounting hole and ring channel are linked together through the intercommunication groove, connect the retaining member and imbed into the mounting hole and can enter into the ring channel through the intercommunication groove. The setting up of mounting hole and intercommunication groove makes to connect the retaining member and can enter into in the ring channel and link to each other with the base joint, and the pulling-out value is at adjustment and fixed in-process, connects the retaining member and links to each other and remove together with the swinging boom, connects the retaining member and can not follow the intercommunication groove and remove once more and drop in the mounting hole.
In foretell a hang the fixing device for low headroom rigidity contact net busbar, the transversal shape of personally submitting of intercommunication groove, the groove width of intercommunication groove notch is the same with the groove width of ring channel notch, the groove width of intercommunication groove tank bottom, the groove width of ring channel tank bottom and the internal diameter of mounting hole are the same. This kind of structure, furthest prevents to connect the retaining member skew and drops, improves stability.
In foretell a hang the fixing device for low headroom rigidity contact net busbar, the base includes base plate and the bellying of protrusion setting on the base plate, the ring channel is located the bellying, works as when the swinging boom links firmly with the base mutually, the inner of swinging boom pastes and leans on the bellying, just the opening that whole ring channel was sheltered from to the swinging boom. The arrangement of the convex part provides an arrangement space of the annular groove, and meanwhile, the arrangement of the convex part improves the strength of the base; the opening that the swinging boom sheltered from whole ring channel prevents that external impurity from entering into the ring channel, appears the swinging boom to block unable pivoted problem when preventing to pull out the value readjustment.
In the above-mentioned suspension fixing device for low headroom rigidity contact net busbar, base plate and bellying formula structure as an organic whole or base plate and bellying link firmly mutually through the welded mode.
In the above-mentioned a hang the fixing device for low headroom rigidity contact net busbar, the outer end of swinging boom has the third locating hole that is circular. The suspension wire clamp part is arranged in the third positioning hole in a penetrating mode, after the rotating arm rotates, the suspension wire clamp can rotate adaptively, the suspension wire clamp cannot be clamped with the busbar, and the pulling-out value of the busbar is convenient to control and adjust.
Compared with the prior art, the suspension and positioning device for the low-clearance rigid contact net busbar provided by the invention has the following advantages:
1. the suspension fixing device realizes adjustment and control of the pull-out value by rotating the rotating arm, and the pull-out value is fixed by locking the connecting locking piece, so that the adjustment and control of the pull-out value are convenient.
2. The connecting locking part of the suspension and fixation device has no obstruction of structures such as suspension wire clamps, the operation space is large, and the adjustment and control of the pull-out value are convenient.
Drawings
Fig. 1 is a state diagram of the whole structure of the suspension positioning device.
Fig. 2 is a second overall structural diagram of the present suspension positioning device.
Figure 3 is a schematic view of the attachment of the annular groove and the attachment retaining member of the present suspension positioning device.
Figure 4 is a cross-sectional view of the present suspension positioning device taken along the line of fig. 3A-a.
Fig. 5 is a supporting cantilever structure for a low clearance rigid catenary bus bar.
In the figure, 1, a base; 11. a substrate; 12. a boss portion; 2. a rotating arm; 3. an annular groove; 4. connecting a locking piece; 5. a first positioning hole; 6. a second positioning hole; 7. a fastener; 8. mounting holes; 9. a communicating groove; 10. a third positioning hole; 11. suspending a wire clamp; 13. an insulator.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, fig. 2 and fig. 5, the suspension positioning device for low clearance rigid catenary bus bar comprises a base 1, a rotating arm 2 and a connecting locking member 4. In this embodiment, the base 1 is fixedly connected with the tunnel wall through the insulator 13, in actual production, the base 1 can be directly fixedly connected with the tunnel wall, and the insulator 13 is installed between the rotating arm 2 and the suspension clamp 11.
The base 1 comprises a base plate 11 and a protruding portion 12 protruding from the base plate 11, in this embodiment, the base plate 11 and the protruding portion 12 are of an integrated structure, and in actual production, the base plate 11 and the protruding portion 12 can be fixedly connected in a welding manner. The annular groove 3 is arranged in the protruding portion 12, the cross section of the annular groove 3 is convex, in the embodiment, four connecting and locking pieces 4 capable of sliding along the annular groove 3 are arranged in the annular groove 3, and in actual production, the number of the connecting and locking pieces 4 can be three or six.
As shown in fig. 3 and 4, the protrusion 12 has a mounting hole 8 and a communication groove 9, the mounting hole 8 and the annular groove 3 are communicated through the communication groove 9, the cross section of the communication groove 9 is convex, the width of the notch of the communication groove 9 is the same as that of the notch of the annular groove 3, and the width of the groove bottom of the communication groove 9, the width of the groove bottom of the annular groove 3 and the inner diameter of the mounting hole 8 are the same.
The inner end of the rotating arm 2 is provided with a first positioning hole 5, the bulge 12 is provided with a second positioning hole 6, the second positioning hole 6 is positioned in the center of the annular groove 3, and the outer end of the rotating arm 2 is provided with a third positioning hole 10 which is used for connecting and positioning a suspension wire clamp 11 and is circular. Connect retaining member 4 including bolt and nut, then enter into ring channel 3 through intercommunication groove 9 in the head embedding mounting hole 8 of bolt, the bolt is with 1 looks joint of base, the pole portion of bolt passes ring channel 3 and swinging boom 2 makes swinging boom 2 link to each other with base 1, wear to establish through fastener 7 in first locating hole 5 and second locating hole 6 and make base 1 and swinging boom 2 fix a position mutually as bolt or rivet, rotate swinging boom 2 control pull-out value, at last through the nut cover in the pole portion of bolt and screw and make swinging boom 2 link firmly with base 1 mutually, the inner of swinging boom 2 pastes and leans on bellying 12, and swinging boom 2 shelters from the opening of whole ring channel 3.
During the installation, put into annular groove 3 through mounting hole 8 and intercommunication groove 9 with the bolt earlier, then the alignment position, make the bolt pass swinging boom 2, wear to establish in first locating hole 5 and second locating hole 6 through fastener 7, rotate swinging boom 2 again, the bolt slides along annular groove 3, the position of outer end skew settlement of swinging boom 2, control the pull-out value of busbar through suspension clamp 11, after the pull-out value adjusted the position of settlement, the nut of screwing, it is fixed with base 1 to make swinging boom 2.
Example two
The structure and principle of this embodiment are basically the same as those of embodiment one, and the difference lies in that in this embodiment, the inner of the rotating arm 2 has a first positioning hole 5, the base 1 has a protruding positioning pin therein, the positioning pin is located at the center of the annular groove 3, and the base 1 and the rotating arm 2 are positioned by the positioning pin penetrating through the first positioning hole 5.
EXAMPLE III
The structure and principle of this embodiment are basically the same as those of the first embodiment, and the difference lies in that in this embodiment, the connecting and locking member 4 is a rivet, the head of the rivet is embedded into the annular groove 3 to make the rivet and the base 1 clamped, the rod of the rivet passes through the annular groove 3 and the rotating arm 2 to make the rotating arm 2 and the base 1 connected, and the rotating arm 2 and the base 1 are connected by riveting with the rivet.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the base 1, the base plate 11, the boss 12, the rotary arm 2, the annular groove 3, the connecting lock 4, the first positioning hole 5, the second positioning hole 6, the fastener 7, the mounting hole 8, the communicating groove 9, the third positioning hole 10, the suspension clamp 11, the insulator 13, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (9)
1. A suspension and positioning device for a low-clearance rigid contact network busbar comprises a base (1), it is characterized by also comprising a rotating arm (2), wherein a circular ring-shaped annular groove (3) is arranged in the base (1), a plurality of connecting locking pieces (4) which can slide along the annular groove (3) are arranged in the annular groove (3), the inner end of the rotating arm (2) is connected with the base (1) through the connecting locking piece (4), the rotating arm (2) can rotate around the base (1), the connecting locking piece (4) is locked to enable the rotating arm (2) to be fixedly connected with the base (1), the base (1) is provided with a mounting hole (8) and a communicating groove (9), the mounting hole (8) is communicated with the annular groove (3) through a communicating groove (9), the connecting locking piece (4) is embedded into the mounting hole (8) and can enter the annular groove (3) through the communication groove (9).
2. The suspension positioning device for the low clearance rigid contact network busbar according to claim 1, wherein the inner end of the rotating arm (2) is provided with a first positioning hole (5), the base (1) is provided with a second positioning hole (6), the second positioning hole (6) is positioned at the center of the annular groove (3), and the base (1) and the rotating arm (2) are positioned by a fastener (7) penetrating into the first positioning hole (5) and the second positioning hole (6).
3. The suspension positioning device for the low clearance rigid contact network busbar according to claim 1, wherein the inner end of the rotating arm (2) is provided with a first positioning hole (5), the base (1) is provided with a protruding positioning pin, the positioning pin is positioned in the center of the annular groove (3), and the base (1) and the rotating arm (2) are positioned by the positioning pin penetrating the first positioning hole (5).
4. The suspension and fixation device for the low clearance rigid contact network busbar according to claim 1, 2 or 3, wherein the connection locking member (4) comprises a bolt and a nut, the cross section of the annular groove (3) is in a convex shape, the head of the bolt is embedded into the annular groove (3) to clamp the bolt and the base (1), the rod part of the bolt passes through the annular groove (3) and the rotating arm (2) to connect the rotating arm (2) and the base (1), and the nut is sleeved on the rod part of the bolt and screwed to fixedly connect the rotating arm (2) and the base (1).
5. The hanging and positioning device for the low clearance rigid contact net busbar according to claim 1, 2 or 3, wherein the connecting locking member (4) is a rivet, the cross section of the annular groove (3) is in a convex shape, the head of the rivet is embedded into the annular groove (3) to clamp the rivet with the base (1), the rod part of the rivet penetrates through the annular groove (3) and the rotating arm (2) to connect the rotating arm (2) with the base (1), and the rotating arm (2) is fixedly connected with the base (1) through rivet riveting.
6. The suspension and positioning device for the low clearance rigid catenary busbar according to claim 1, 2 or 3, wherein the cross section of the communication groove (9) is in a convex shape, the groove width of the notch of the communication groove (9) is the same as that of the notch of the annular groove (3), and the groove width of the bottom of the communication groove (9), the groove width of the bottom of the annular groove (3) and the inner diameter of the mounting hole (8) are the same.
7. The suspension and positioning device for low clearance rigid contact network busbar according to claim 1, 2 or 3, wherein the base (1) comprises a base plate (11) and a convex portion (12) convexly arranged on the base plate (11), the annular groove (3) is located in the convex portion (12), when the rotating arm (2) is fixedly connected with the base (1), the inner end of the rotating arm (2) abuts against the convex portion (12), and the rotating arm (2) shields the opening of the whole annular groove (3).
8. A suspension positioning device for low headroom rigid catenary busbars in accordance with claim 7, characterized in that the base plate (11) and the projections (12) are of one-piece construction.
9. A suspension positioning device for low headroom rigid catenary busbars of claim 1, 2 or 3 characterized in that the outer end of the rotating arm (2) has a third positioning hole (10) with a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593687.6A CN112590625B (en) | 2020-12-29 | 2020-12-29 | Suspension and fixation device for low-clearance rigid contact network busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593687.6A CN112590625B (en) | 2020-12-29 | 2020-12-29 | Suspension and fixation device for low-clearance rigid contact network busbar |
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| CN112590625A CN112590625A (en) | 2021-04-02 |
| CN112590625B true CN112590625B (en) | 2022-04-19 |
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| CN202011593687.6A Active CN112590625B (en) | 2020-12-29 | 2020-12-29 | Suspension and fixation device for low-clearance rigid contact network busbar |
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|---|---|
| CN112590625A (en) | 2021-04-02 |
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