CN112874387A - Adjustable insulation suspension positioning device for rigid contact network in low-clearance tunnel - Google Patents
Adjustable insulation suspension positioning device for rigid contact network in low-clearance tunnel Download PDFInfo
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- CN112874387A CN112874387A CN202110290293.1A CN202110290293A CN112874387A CN 112874387 A CN112874387 A CN 112874387A CN 202110290293 A CN202110290293 A CN 202110290293A CN 112874387 A CN112874387 A CN 112874387A
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- rotating arm
- annular groove
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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)
- Insulators (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides an adjustable insulation suspension positioning device for a rigid contact net in a low-clearance tunnel, and belongs to the technical field of rail transit. It has solved the problem that current positioner height of suspending in midair can not be adjusted. This adjustable insulating positioner that suspends in midair of rigidity contact net in low headroom tunnel includes the insulator, a base for linking firmly with tunnel arc top wall body, base and swinging boom, the base passes through the insulator and links to each other with the base, the regulation structure who adjusts linear distance between base and the base has between base and the base, it is annular ring channel of circle to have on the base, be equipped with the gliding connection retaining member of ring channel that a plurality of can be followed in the ring channel, the inner that makes the swinging boom through connecting the retaining member links to each other with the base and the swinging boom can rotate around the base, the locking connection retaining member enables the swinging boom and links firmly mutually with the base. This adjustable insulating positioner that suspends in midair of rigidity contact net in low headroom tunnel has the advantage that the height can be adjusted.
Description
Technical Field
The invention belongs to the technical field of rail transit, and relates to an adjustable insulation suspension positioning device for a rigid contact net in a low-clearance tunnel.
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.
According to the cantilever supporting device with the structure, the suspension wire clamp moves along the limiting groove and the guide groove of the adjusting support, namely, linear adjustment is carried out along the width direction of the tunnel. The top in tunnel is the arch, supports the base and links firmly the lateral part at the tunnel top, supports the central point that the base passes through support frame, insulator and regulation support extension straight tunnel top and puts, adjusts the support mounting back that targets in place, adjusts the support and just fixed in the position of vertical direction, and is unable to change, and this just has the problem that suspension line presss from both sides at vertical position not accurate enough, leads to the pulling-out value to adjust inconveniently. Meanwhile, the cantilever supporting device with the structure is complex in overall structure, needs to occupy large transverse space, does not make full use of the top space of the tunnel, and cannot be well installed in a low clearance mode.
Disclosure of Invention
The invention aims to provide an adjustable insulation suspension positioning device of a rigid contact net in a low-clearance tunnel, aiming at the problems in the prior art, and solving the technical problem of how to reasonably utilize the space of the arc-shaped top of the tunnel to realize low-clearance installation.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an adjustable insulating positioner that suspends in midair of rigidity contact net in low headroom tunnel, includes the insulator and is used for the base that links firmly with tunnel arc top wall body, its characterized in that still includes base and swinging boom, the base passes through the insulator and links to each other with the base, the regulation structure that has linear distance between regulation base and the base between base and the base, it is annular ring channel of circle to have on 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 just the swinging boom can rotate around the base, lock it enables swinging boom and base and links firmly mutually to connect the retaining member.
The base directly links firmly on the wall body at tunnel arc top, the space at abundant rational utilization tunnel arc top, the straight line distance between base and the base can be adjusted to the regulation structure between base and the base, and the swinging boom can be adjusted at vertical height promptly to guarantee that the vertical position of swinging boom targets in place, the space at tunnel arc top of utilization that can be better, make the pulling value adjust conveniently, realize the low headroom installation. Make the swinging boom and the base link to each other but do not link firmly earlier through connecting retaining member, make the swinging boom rotate around the base through rotating the swinging boom, adjust the pull-out value, the locking member of locking connection makes the swinging boom link firmly mutually with the base at last, will pull out the value fixed, the adjustment is accomplished. The rotating arm is adjusted in an arc-shaped surface mode, the space in the length direction of the tunnel is reasonably utilized, the suspension positioning device can be installed at the center of the top of the tunnel, the problem of touch does not exist, and low-clearance installation is achieved.
In foretell an adjustable insulation of rigidity contact net suspends positioner in midair in low headroom tunnel, adjust the structure and include first locking bolt and the first regulation hole that is located the base bottom, the top of insulator stretch into in the first regulation hole just the insulator links firmly mutually with the base is adjustable through the mode of screw thread, first locking bolt passes the base and wears to establish and makes in the insulator and base link firmly mutually. The bottom and the base of insulator link firmly mutually, and the base is fixed at the tunnel top, and the position is unchangeable, through rotary insulator, can adjust the insulator and stretch into the degree of depth in the first regulation hole, can be with the height of adjustment swinging boom, guarantee that the vertical position of swinging boom targets in place, the space at utilization tunnel arc top that can be better.
As another kind of condition, in the adjustable insulating positioner that suspends in midair of rigidity contact net in foretell low headroom tunnel, adjust the structure and include second locking bolt and the second regulation hole that is arranged in the base, the bottom of insulator stretches into in the second regulation hole just the insulator links firmly mutually with the base is adjustable through the mode of screw thread, the inner of swinging boom has the locating hole, the locating hole is located the center of ring channel, second locking bolt passes the locating hole and wears to establish and make in the insulator links firmly mutually with the base. The top and the base of insulator link firmly mutually, and the base is fixed at the tunnel top, and the position of base and insulator is unchangeable, through rotating the base, can adjust the insulator and stretch into the degree of depth in the second regulation hole, can guarantee that the vertical position of swinging boom targets in place with the height of adjustment swinging boom, the space at utilization tunnel arc top that can be better.
As a third situation, in the adjustable insulation suspension positioning device of the rigid overhead line system in the low clearance tunnel, the adjusting structure comprises a first locking bolt, a second locking bolt, a first adjusting hole positioned at the bottom of the base and a second adjusting hole positioned in the base, the top of the insulator extends into the first adjusting hole and is fixedly connected with the base in an adjustable manner in a threaded manner, the first locking bolt penetrates through the base and is arranged in the insulator in a penetrating way to ensure that the insulator is fixedly connected with the base, the bottom of the insulator extends into the second adjusting hole and is fixedly connected with the base in an adjustable manner in a threaded manner, the inner end of the rotating arm is provided with a positioning hole which is positioned in the center of the annular groove, and the second locking bolt penetrates through the positioning hole and is arranged in the insulator in a penetrating mode to enable the insulator to be fixedly connected with the base. This kind of regulation structure has combined above-mentioned two kinds of regulation modes, selects various, and the height of adjustment swinging boom that can be better guarantees that the vertical position of swinging boom targets in place, the space at utilization tunnel arc top that can be better, makes the pulling value adjust conveniently.
In foretell an adjustable insulation of rigidity contact net suspends positioner in midair in low headroom tunnel, work as when the swinging boom links firmly with the base mutually, the inner of swinging boom pastes the bottom of leaning on the base, just the opening of whole ring channel is sheltered from to the swinging boom. 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 foretell an adjustable insulation of rigidity contact net suspends positioner in midair in low headroom tunnel, 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 joint mutually 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 firmly mutually. 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 situation, in the above adjustable insulating suspension positioning device for the rigid overhead line system in the low clearance tunnel, the connection locking member is a rivet, the head of the rivet is embedded into the annular groove to enable the rivet to be clamped with the base, the rod part of the rivet penetrates through the annular groove and the rotating arm to enable the rotating arm to be connected with the base, and the rotating arm is fixedly connected with the base through rivet riveting. 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 an adjustable insulating positioner that suspends in midair of rigidity contact net in low headroom tunnel, 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 in 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 an adjustable insulation of rigidity contact net suspends positioner in midair in low headroom tunnel, 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 the adjustable insulation of rigidity contact net suspends positioner in midair in foretell low headroom tunnel, suspend positioner in midair still including setting up the fastener that hangs in the swinging boom outer end, the outer end of swinging boom has and is the spacing hole of circular shape, the spacing post that the protrusion set up has on the fastener that hangs, spacing post is worn to establish in spacing hole just hang the relative swinging boom rotation of fastener ability, the axial of insulator parallels with the axial of spacing post. According to the structure, the suspension wire clamp rotates relative to the rotating arm when the rotating arm rotates, so that the suspension wire clamp and the busbar cannot be clamped.
Compared with the prior art, the adjustable insulation suspension positioning device for the rigid overhead line system in the low-clearance tunnel provided by the invention has the following advantages:
1. this positioner suspends in midair is direct mount on the wall body at tunnel arc top, and the space at abundant rational utilization tunnel arc top, the swinging boom rotation is the adjustment of curved face simultaneously, and the space of rational utilization tunnel length direction realizes the low headroom installation.
2. This hang linear distance between positioner base and the base in midair can be adjusted, and the swinging boom can be adjusted at vertical height promptly to guarantee that the vertical position of swinging boom targets in place, the space at tunnel arc top can be better utilized, make the pulling value adjust conveniently, realize the low headroom installation.
3. The connecting locking part of the suspension positioning device has no obstruction of structures such as suspension wire clamps and the like, the operation space is large, and the pull-out value is convenient to adjust and control; meanwhile, the supporting arm device does not need to be provided with a supporting frame and an adjusting support, and is simple in structure and convenient to mount.
Drawings
Fig. 1 is an overall structure schematic diagram of an adjustable insulating suspension positioning device of a rigid overhead line system in a low-clearance tunnel.
Fig. 2 is a first rotation state diagram of a rotating arm of the adjustable insulating suspension positioning device of the rigid overhead line system in the low clearance tunnel.
Fig. 3 is a second rotation state diagram of the rotating arm of the adjustable insulating suspension positioning device of the rigid overhead line system in the low clearance tunnel.
Fig. 4 is a schematic connection diagram of the annular groove and the connecting locking piece of the adjustable insulating suspension positioning device of the rigid overhead line system in the low clearance tunnel.
In the figure, 1, an insulator; 2. a base; 21. a first adjustment aperture; 3. a base; 31. an annular groove; 32. a second adjustment aperture; 33. mounting holes; 34. a communicating groove; 4. a rotating arm; 41. positioning holes; 42. a limiting hole; 5. connecting a locking piece; 51. a bolt; 52. a nut; 6. a first locking bolt; 7. a second locking bolt; 8. suspending a wire clamp; 81. a limiting column.
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 figure 1, the adjustable insulating suspension positioning device of the rigid overhead line in the low clearance tunnel comprises an insulator 1, a base 2, a base 3, a rotating arm 4, a connecting locking member 5, a suspension clamp 8 and an adjusting structure.
The base 3 is provided with a circular ring-shaped annular groove 31, in the embodiment, four connecting locking pieces 5 capable of sliding along the annular groove 31 are arranged in the annular groove 31, and in actual production, the number of the connecting locking pieces 5 can be three or six. As shown in fig. 2 and 3, the connecting locking member 5 includes a bolt 51 and a nut 52, the cross section of the annular groove 31 is in a convex shape, the head of the bolt 51 is embedded into the annular groove 31 to enable the bolt 51 to be clamped with the base 3, the rod of the bolt 51 passes through the annular groove 31 and the rotating arm 4 to enable the rotating arm 4 to be connected with the base 3, and the nut 52 is sleeved on the rod of the bolt 51 and screwed to enable the rotating arm 4 to be fixedly connected with the base 3.
As shown in fig. 4, the base 3 is provided with a mounting hole 33 and a communication groove 34, the mounting hole 33 is communicated with the annular groove 31 through the communication groove 34, the cross section of the communication groove 34 is in a convex shape, the width of the notch of the communication groove 34 is the same as that of the notch of the annular groove 31, the width of the groove bottom of the communication groove 34, the width of the groove bottom of the annular groove 31 and the inner diameter of the mounting hole 33 are the same, and the connecting locking member 5 is embedded into the mounting hole 33 and can enter the annular groove 31 through the communication groove 34. When the rotating arm 4 is fixedly connected with the base 3, the inner end of the rotating arm 4 abuts against the bottom of the base 3, and the rotating arm 4 shields the opening of the whole annular groove 31.
Hang fastener 8 and set up in the 4 outer ends of swinging boom, the outer end of swinging boom 4 has and is the spacing hole 42 of circular shape, has the spacing post 81 that the protrusion set up on hanging fastener 8, and spacing post 81 is worn to establish in spacing hole 42 and hangs fastener 8 and can rotate 4 relative swinging boom, and the axial of insulator 1 parallels with the axial of spacing post 81.
Before adjustment, the required height of the suspension positioning device is measured according to actual conditions. Base 2 links firmly with tunnel arc top wall body, through adjusting the structure, through the mode of rotating insulator 1 promptly, changes swinging boom 4 along vertical reverse height to it is suitable at vertical reverse height to make swinging boom 4. Then, the rotating arm 4 is rotated, the outer end of the rotating arm 4 pulls the suspension clamp 8 to make the busbar deviate from the set position, the pull-out value of the busbar is controlled, and after the pull-out value is adjusted to the set position, the nut 52 is screwed, so that the rotating arm 4 is fixed with the base 3.
Example two
The structure and the principle of this embodiment are the same as those of embodiment one, and the difference lies in that, in this embodiment, the regulation structure includes first locking bolt 6 and the first regulation hole 21 that is located base 2 bottom, and the top of insulator 1 stretches into in the first regulation hole 21 and insulator 1 links firmly with base 2 through adjustable mutually of threaded mode, and first locking bolt 6 passes base 2 and wears to establish and make insulator 1 and base 2 link firmly mutually in insulator 1.
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 adjusting structure includes the second locking bolt 7 and the second adjusting hole 32 located in the base 3, the bottom of the insulator 1 extends into the second adjusting hole 32, and the insulator 1 is adjustably and fixedly connected to the base 3 in a threaded manner, the inner end of the rotating arm 4 has a positioning hole 41, the positioning hole 41 is located in the center of the annular groove 31, and the second locking bolt 7 passes through the positioning hole 41 and is arranged in the insulator 1 in a penetrating manner so that the insulator 1 is fixedly connected to the base 3.
Example four
The structure and principle of this embodiment are basically the same as those of the first embodiment, except that in this embodiment, the connecting locking member 5 is a rivet, the head of the rivet is embedded into the annular groove 31 to clamp the rivet with the base 3, the rod of the rivet penetrates through the annular groove 31 and the rotating arm 4 to connect the rotating arm 4 with the base 3, and the rotating arm 4 is fixedly connected with the base 3 through riveting.
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 insulator 1, the base 2, the first adjusting hole 21, the base 3, the annular groove 31, the second adjusting hole 32, the mounting hole 33, the communicating groove 34, the rotating arm 4, the positioning hole 41, the limiting hole 42, the connecting locking member 5, the bolt 51, the nut 52, the first locking bolt 6, the second locking bolt 7, the suspension clamp 8, the limiting post 81, 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 (10)
1. An adjustable insulation suspension positioning device of a rigid contact net in a low clearance tunnel comprises an insulator (1) and a base (2) fixedly connected with an arc-shaped top wall of the tunnel, it is characterized by also comprising a base (3) and a rotating arm (4), wherein the base (2) is connected with the base (3) through an insulator (1), an adjusting structure for adjusting the linear distance between the base (3) and the base (2) is arranged between the base (3) and the base (2), the base (3) is provided with a circular ring-shaped annular groove (31), a plurality of connecting locking pieces (5) capable of sliding along the annular groove (31) are arranged in the annular groove (31), through connect retaining member (5) make the inner of swinging boom (4) link to each other just with base (3) swinging boom (4) can rotate around base (3), locking connect retaining member (5) and enable swinging boom (4) and base (3) and link firmly mutually.
2. The adjustable insulation suspension positioning device of the rigid overhead line in the low clearance tunnel of claim 1, wherein the adjusting structure comprises a first locking bolt (6) and a first adjusting hole (21) located at the bottom of the base (2), the top of the insulator (1) extends into the first adjusting hole (21) and the insulator (1) is fixedly connected with the base (2) in a manner of being adjustable by a thread, and the first locking bolt (6) penetrates through the base (2) and is arranged in the insulator (1) to fixedly connect the insulator (1) with the base (2).
3. The adjustable insulation suspension positioning device of the rigid overhead line in the low clearance tunnel of claim 1, wherein the adjusting structure comprises a second locking bolt (7) and a second adjusting hole (32) located in the base (3), the bottom of the insulator (1) extends into the second adjusting hole (32) and the insulator (1) is fixedly connected with the base (3) in a manner of being adjustable by a screw thread, the inner end of the rotating arm (4) is provided with a positioning hole (41), the positioning hole (41) is located in the center of the annular groove (31), and the second locking bolt (7) passes through the positioning hole (41) and is arranged in the insulator (1) in a penetrating manner so that the insulator (1) is fixedly connected with the base (3).
4. The adjustable insulation suspension positioning device of the rigid overhead line in the low clearance tunnel of claim 1, wherein the adjusting structure comprises a first locking bolt (6), a second locking bolt (7), a first adjusting hole (21) at the bottom of the base (2) and a second adjusting hole (32) in the base (3), the top of the insulator (1) extends into the first adjusting hole (21) and the insulator (1) is fixedly connected with the base (2) in a threaded manner, the first locking bolt (6) passes through the base (2) and is inserted into the insulator (1) to fixedly connect the insulator (1) and the base (2), the bottom of the insulator (1) extends into the second adjusting hole (32) and the insulator (1) is fixedly connected with the base (3) in a threaded manner, the inner end of the rotating arm (4) is provided with a positioning hole (41), the positioning hole (41) is located in the center of the annular groove (31), and the second locking bolt (7) penetrates through the positioning hole (41) and penetrates through the insulator (1) to enable the insulator (1) and the base (3) to be fixedly connected.
5. The adjustable insulation suspension positioning device for rigid overhead line in low clearance tunnel of claim 1, 2, 3 or 4, wherein when the rotating arm (4) is fixed to the base (3), the inner end of the rotating arm (4) abuts against the bottom of the base (3), and the rotating arm (4) covers the opening of the whole annular groove (31).
6. The adjustable insulation suspension positioning device for the rigid overhead line in the low clearance tunnel of claim 1, 2, 3 or 4, wherein the connection locking member (5) comprises a bolt (51) and a nut (52), the cross section of the annular groove (31) is in a convex shape, the head of the bolt (51) is embedded into the annular groove (31) to clamp the bolt (51) with the base (3), the rod part of the bolt (51) passes through the annular groove (31) and the rotating arm (4) to connect the rotating arm (4) with the base (3), and the rotating arm (4) is fixedly connected with the base (3) by the nut (52) being sleeved on the rod part of the bolt (51) and being screwed.
7. The adjustable insulation suspension positioning device for the rigid overhead line in the low clearance tunnel of claim 1, 2, 3 or 4, wherein the connection locking member (5) is a rivet, the head of the rivet is embedded into the annular groove (31) to clamp the rivet with the base (3), the rod of the rivet passes through the annular groove (31) and the rotating arm (4) to connect the rotating arm (4) with the base (3), and the rotating arm (4) is fixedly connected with the base (3) by riveting.
8. The adjustable insulation suspension positioning device for the rigid overhead line in the low clearance tunnel of claim 1, 2, 3 or 4, wherein the base (3) has a mounting hole (33) and a communication groove (34), the mounting hole (33) and the annular groove (31) are communicated through the communication groove (34), and the connecting locking member (5) is inserted into the mounting hole (33) and can enter the annular groove (31) through the communication groove (34).
9. The adjustable insulation suspension positioning device for the rigid overhead line in the low clearance tunnel as claimed in claim 8, wherein the cross section of the communication groove (34) is in a convex shape, the width of the notch of the communication groove (34) is the same as the width of the notch of the annular groove (31), and the width of the bottom of the communication groove (34), the width of the bottom of the annular groove (31) and the inner diameter of the mounting hole (33) are the same.
10. The adjustable insulation suspension positioning device for the rigid overhead line in the low clearance tunnel of claim 1, 2, 3 or 4, wherein the suspension positioning device further comprises a suspension wire clamp (8) disposed at the outer end of the rotating arm (4), the outer end of the rotating arm (4) has a circular limiting hole (42), the suspension wire clamp (8) has a protruding limiting post (81), the limiting post (81) is disposed in the limiting hole (42) and the suspension wire clamp (8) can rotate relative to the rotating arm (4), and the axial direction of the insulator (1) is parallel to the axial direction of the limiting post (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290293.1A CN112874387B (en) | 2021-03-18 | 2021-03-18 | Adjustable insulation suspension positioning device for rigid contact network in low-clearance tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290293.1A CN112874387B (en) | 2021-03-18 | 2021-03-18 | Adjustable insulation suspension positioning device for rigid contact network in low-clearance tunnel |
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| Publication Number | Publication Date |
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| CN112874387A true CN112874387A (en) | 2021-06-01 |
| CN112874387B CN112874387B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110290293.1A Active CN112874387B (en) | 2021-03-18 | 2021-03-18 | Adjustable insulation suspension positioning device for rigid contact network in low-clearance tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2612789A2 (en) * | 2012-01-05 | 2013-07-10 | BICC Holdings GmbH | Method for connecting busbars |
| CN205871785U (en) * | 2016-07-25 | 2017-01-11 | 中国建筑第六工程局有限公司 | Subway rigid suspension contact net bearing structure |
| CN208164803U (en) * | 2018-03-26 | 2018-11-30 | 中铁二十二局集团有限公司 | Electric railway rigid contact net installation adjustment device |
| CN209096666U (en) * | 2018-11-19 | 2019-07-12 | 吉林大学 | A kind of automotive distance-measuring radar mounting bracket of angle adjustable |
| CN209980877U (en) * | 2019-07-08 | 2020-01-21 | 山西华德电力工程有限公司 | Insulator with adjustable height |
| CN211684761U (en) * | 2020-01-19 | 2020-10-16 | 中铁一局集团电务工程有限公司 | Cantilever type suspension fixing structure |
| CN211916213U (en) * | 2020-03-25 | 2020-11-13 | 浙江双铭工贸有限公司 | Adjusting and mounting tool fixture |
-
2021
- 2021-03-18 CN CN202110290293.1A patent/CN112874387B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2612789A2 (en) * | 2012-01-05 | 2013-07-10 | BICC Holdings GmbH | Method for connecting busbars |
| CN205871785U (en) * | 2016-07-25 | 2017-01-11 | 中国建筑第六工程局有限公司 | Subway rigid suspension contact net bearing structure |
| CN208164803U (en) * | 2018-03-26 | 2018-11-30 | 中铁二十二局集团有限公司 | Electric railway rigid contact net installation adjustment device |
| CN209096666U (en) * | 2018-11-19 | 2019-07-12 | 吉林大学 | A kind of automotive distance-measuring radar mounting bracket of angle adjustable |
| CN209980877U (en) * | 2019-07-08 | 2020-01-21 | 山西华德电力工程有限公司 | Insulator with adjustable height |
| CN211684761U (en) * | 2020-01-19 | 2020-10-16 | 中铁一局集团电务工程有限公司 | Cantilever type suspension fixing structure |
| CN211916213U (en) * | 2020-03-25 | 2020-11-13 | 浙江双铭工贸有限公司 | Adjusting and mounting tool fixture |
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| Publication number | Publication date |
|---|---|
| CN112874387B (en) | 2022-09-20 |
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