CN208559085U - A kind of overhead contact line connection pedestal and overhead contact line connection structure - Google Patents
A kind of overhead contact line connection pedestal and overhead contact line connection structure Download PDFInfo
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- CN208559085U CN208559085U CN201821232595.3U CN201821232595U CN208559085U CN 208559085 U CN208559085 U CN 208559085U CN 201821232595 U CN201821232595 U CN 201821232595U CN 208559085 U CN208559085 U CN 208559085U
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- contact line
- overhead contact
- bolt
- base body
- pedestal
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Abstract
The utility model relates to railway traffic contact network design field, a kind of overhead contact line connection pedestal and overhead contact line connection structure are disclosed, comprising: base body and capitate bolt；The base body is used to be fixed on the wall surface in tunnel, and the base body is equipped with axis hole；The flange of the capitate bolt is connected in the axis hole, so that the capitate bolt and the base body are hinged.The utility model is hinged by carrying out capitate bolt and base body, overhead contact line connection pedestal can easily be adjusted and suspend the connection angle between bracket in midair, the angle for making capitate bolt and suspending in midair between bracket keeps vertical, the installation accuracy of contact net system is improved, the whole stress of overhead contact line pedestal is improved.
Description
Technical field
The utility model relates to railway traffic contact network design field, in particular to a kind of overhead contact line connection pedestal and
Overhead contact line connection structure.
Background technique
The railway traffic engineering especially city track traffic engineering that the country is built in recent years, largely uses in shield tunnel
Pre-buried channel flow.For fixed overhead contact line structure, need that connection pedestal is arranged between conduit.
Angle between the hanging bolt and pedestal of existing product is constant (generally 90 °), causes to pacify in circular tunnel
When dress, the extended line direction of hanging bolt is directed to the center of circle, and for one side bolt there are component, stress is bad；On the other hand,
To the more demanding of construction and installation Adjustment precision, when adjusting not in place, screw rod or nut unbalance stress will lead to.Currently, for solution
The certainly above problem, it is main in practical projects that setting angle is adjusted using gasket or cushion block.When using lock washer scheme, for up to
Higher to the required precision of lock washer to ideal connection status, otherwise the unbalance stress of screw rod or nut, is handed in city rail
Under severe working environment of elongated phase, it is easy to appear fatigue, fastening ability decline；Using spherical cushion block scheme, tune can be reduced
Whole difficulty, but will increase the weight of integral hanging, and above two scheme can not all adjust the angle of hanging bolt, Wu Facong
Fundamentally improve the stress of hanging bolt.
In addition, it is contemplated that the problem of construction cost and difficulty of construction, in the shield tunnel of most cities rail traffic at present
The pre- conduit of footing the bill of selection, and conduit specification is usually no more than 38/23.When clamping stagnation occurs in contact net system, along line direction
Stress can greatly increase, and be possible to the stress limit more than single conduit, cause conduit opening to increase, influence contact net system
Safety and stability.Existing overhead contact line connection pedestal is to the above problem, without any regulating power.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of overhead contact line connection pedestal and overhead contact line connection structure, to improve contact net
The installation accuracy of system improves whole stress.
(2) technical solution
To solve the above problems, the utility model provides a kind of overhead contact line connection pedestal, comprising: base body and hammer
Shape bolt；The base body is used to be fixed on the wall surface in tunnel, and the base body is equipped with axis hole；The capitate bolt
Flange be connected in the axis hole so that the capitate bolt and the base body are hinged.
Further, the flange is cylindrical body, and the axis of the cylindrical body is parallel to where the route in the tunnel
Two end faces of plane, the cylindrical body are contacted with the inner wall of the axis hole respectively, so that the flange is connected to the axis hole
It is interior.
Further, further includes: arc spacer and fixture nut；The bottom of the base body is equipped with the protrusion knot of arc
Structure, the bulge-structure are equipped with through-hole and penetrate through with the axis hole；The capitate bolt passes sequentially through the through-hole and described
Axis hole is hinged on the bottom of the base body；The arc spacer is connected to by the bulge-structure and the fixture nut
On the capitate bolt.
Further, the contact surface of the arc spacer and the bulge-structure is equipped with fixed tooth, the fixed tooth card
Connect the bulge-structure.
Further, the yield strength of the fixed tooth is greater than the yield strength of the fixture nut.
Further, the contact surface that the base body is connect with the tunnel is equipped at least one raised cushion block.
Further, further includes: T hook bolt；The T hook bolt, will be described by the bolt hole on the base body
Base body is fixed on the wall surface in the tunnel.
To solve the above problems, the utility model also provides a kind of overhead contact line connection structure, the overhead contact line
Connection structure is for fixing and hanging contact net；The overhead contact line connection structure includes: wire clamp, insulator, suspention bracket
Pedestal is connected with overhead contact line described above；The wire clamp is fixed on the suspention bracket by the insulator, is used
In the connection contact net；The both ends of the suspention bracket are connected separately with the overhead contact line connection pedestal, so that described
Suspention bracket connects pedestal by the overhead contact line and is fixed on the wall surface in the tunnel.
(3) beneficial effect
The utility model provides a kind of overhead contact line connection pedestal, comprising: base body and capitate bolt；The pedestal
Ontology is used to be fixed on the wall surface in tunnel, and the base body is equipped with axis hole；The flange of the capitate bolt is connected to institute
It states in axis hole, so that the capitate bolt and the base body are hinged.The utility model is by by capitate bolt and pedestal sheet
Body carries out hingedly capable of easily adjusting overhead contact line connection pedestal and suspends the connection angle between bracket in midair, makes capitate spiral shell
Angle between bolt and suspention bracket keeps vertical, improves the installation accuracy of contact net system, improves overhead contact line pedestal
Whole stress.In addition, the utility model is equipped with raised cushion block on connection pedestal, it, can along line direction overload
To provide fulcrum, the load of part can be shared, reduces the deformation quantity at pre-buried channel flow, increases the safety of overhead contact line pedestal
Property and stability.
The utility model also provides a kind of overhead contact line connection structure, and the overhead contact line connection structure is for fixing
With suspension contact net, the overhead contact line connection structure includes: to suspend bracket in midair to connect pedestal with above-mentioned overhead contact line；It is described
The both ends of suspention bracket are connected separately with the overhead contact line connection pedestal, so that the suspention bracket passes through the contact net
Suspension connection pedestal is fixed on the wall surface in the tunnel.Overhead contact line connection structure provided by the utility model is due to using
Above-mentioned overhead contact line connects pedestal, can easily adjust overhead contact line connection pedestal and suspend the connection between bracket in midair
Angle, the angle for making capitate bolt and suspending in midair between bracket keep vertical, improve the installation accuracy of contact net system, improve contact
The whole stress of net suspension pedestal.
Detailed description of the invention
Fig. 1 is the main view of the utility model overhead contact line connection one embodiment of pedestal；
Fig. 2 is the top view of the utility model overhead contact line connection one embodiment of pedestal；
Fig. 3 is the schematic perspective view of the utility model overhead contact line connection one embodiment of pedestal；
Fig. 4 is the structural schematic diagram of one embodiment of the utility model overhead contact line connection structure；
Wherein, 1: overhead contact line connects pedestal；2: suspention bracket；3: wire clamp；4: insulator；11: base body；12:
Capitate bolt；13: arc spacer；14: fixture nut；15: bulge-structure；16: raised cushion block；17:T hook bolt；21: ontology；
22: the first monaurals；23: the second monaurals；111: axis hole；18: nut；19: gasket；121: flange；122: bolt hole；1111: recessed
Slot.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
As shown in Figure 1, the utility model provides a kind of overhead contact line connection pedestal 1, comprising: base body 11 and capitate
Bolt 12.Base body 11 is used to be fixed on the wall surface in tunnel, and under normal circumstances, base body 11 needs to be fixed on tunnel top
On the wall surface in portion.Base body 11 is equipped with axis hole 111, and the flange 121 of capitate bolt 12 is connected in axis hole 111, so that
Capitate bolt 12 and base body 11 are hinged.Wherein, capitate bolt 12 is to weld or be assembled in one by hanging bolt and flange 121
The structure risen, the shape of flange 121 can be determined according to the direction of the shape of axis hole 111 and rotation.
It is different from the prior art, overhead contact line provided in this embodiment connects pedestal 1, by by capitate bolt 12 and bottom
Seat ontology 11 carries out hingedly capable of easily adjusting overhead contact line connection pedestal 1 and suspends the connection angle between bracket in midair, makes
Angle between capitate bolt 12 and suspention bracket keeps vertical, improves the installation accuracy of contact net system, and it is outstanding to improve contact net
The whole stress of hanging end seat.
Based on the above embodiment, as a preferred embodiment, as described in Figure 2, what base body 11 was connect with tunnel
Contact surface is equipped at least one raised cushion block 16.Preferably, each base body 11 is convex equipped with symmetrical two along central axes
Play cushion block 16.After base body 11 is connect with tunnel, raised cushion block 16 is contacted with the wall surface in tunnel, and raised cushion block 16 is on fair line road
In the case that direction is overloaded, fulcrum can be provided, the load of part can be shared, reduces the deformation quantity at pre-buried channel flow, is increased
The safety and stability of overhead contact line pedestal improve the force-bearing situation of the contact net system under special operation condition.
Based on the above embodiment, as a preferred embodiment, as shown in figure 3, the present embodiment flange 121 is cylinder
Body, the axis of cylindrical body are parallel to the plane where the route in tunnel, and two end faces of cylindrical body and the inner wall of axis hole 111 connect
Touching, is connected to flange 121 in axis hole 111, so that capitate bolt 12 is only capable of rotating along the axis of cylindrical body, to simplify contact net
The adjustment process of suspension connection pedestal 1.In addition, also settable groove 1111 in axis hole 111, for convenience of adjustment flange 121
It sets.
In the present embodiment, overhead contact line connects pedestal 1 further include: T hook bolt 17.T hook bolt 17 passes through base body
Bolt hole 122 on 11, base body is fixed on the wall surface in tunnel.Specifically, on each overhead contact line connection pedestal 1
Two bolts hole 122 are symmetrically arranged with along central axes.Each T hook bolt 17 is fixed on tunnel by bolt hole 122 and pre-buried channel flow
Wall surface on.
Under normal circumstances, before hanging connection pedestal 1 due to installing contact net, overhead contact line connects the axis on pedestal 1
Hole 111 and flange 121 have been formed, if the axis of discovery cylindrical body can not be parallel to the plane where the route in tunnel, or circle
There are deviations for plane where the axis of cylinder and the route in tunnel, can also be by adjusting between T hook bolt 17 and pre-buried channel flow
Positional relationship, enable arbitrarily to rotate in the plane where route of the overhead contact line connection pedestal 1 in Vertical tunnel.
Based on the above embodiment, as a preferred embodiment, as shown in Figure 1, the overhead contact line in the present embodiment
Connect pedestal 1 further include: arc spacer 13 and fixture nut 14.Wherein, arc spacer 13 is the intermediate arc for being equipped with through-hole half
Circle structure.The bottom of base body 11 is equipped with the bulge-structure 15 of arc, and bulge-structure 15 is equipped with through-hole and passes through with axis hole 111
It is logical.Capitate bolt 12 passes sequentially through through-hole and axis hole 111 is hinged on the bottom of base body 11.Arc spacer 13 passes through protrusion knot
Structure 15 and fixture nut 14 are connected on capitate bolt 12.12 phase interworking of arc spacer 13, bulge-structure 15 and capitate bolt
It closes, for positioning and fastening capitate bolt 12.
Further, the contact surface of arc spacer 13 and bulge-structure 15 is equipped with fixed tooth, fixed tooth clamping protrusion knot
Structure 15 generates the case where fatigue loosens due to vibration cause after preventing overhead contact line connection pedestal 1 from adjusting angle, with
Suspension arrangement after ensuring to be installed in place will not slide in horizontal path direction.In the present embodiment, the yield strength of fixed tooth is big
In the yield strength of fixture nut 14, when overhead contact line connection pedestal 1 is more than nominal load by external load, due to solid
The yield strength of fixed tooth is greater than the yield strength of fixture nut 14, and fixture nut 14 generates plastic deformation prior to fixed tooth, to prevent
It is damaged only to fix tooth.In addition, being also connected with nut 18 and gasket 19 on capitate bolt 12, nut 18 and gasket 19 are used for it
His external structure is connected on overhead contact line connection pedestal 1.
As shown in figure 4, the utility model also provides a kind of overhead contact line connection structure, overhead contact line connection structure is used
In fixed and suspension contact net, overhead contact line connection structure includes: to suspend bracket 2 in midair to connect pedestal 1 with above-mentioned overhead contact line.
The both ends of suspention bracket are connected separately with overhead contact line connection pedestal 1, so that suspention bracket 2 connects bottom by overhead contact line
Seat 1 is fixed on the wall surface in tunnel.
Wherein, overhead contact line connection structure further include: wire clamp 3 and insulator 4.Wire clamp 3 is fixed on outstanding by insulator 4
It hangs on bracket 2, for connecting contact net.Suspention bracket 2 is connected to overhead contact line with gasket 19 by nut 18 and connects pedestal 1
On.Specifically, suspention bracket 2 is channel steel structure comprising ontology 21, the first monaural 22 and the second monaural 23, the first monaural 22
It is connected to one end of ontology 21, the second monaural 23 is connected to the other end of ontology 21.It suspends bracket 2 in midair and passes through ontology 21 and at least one
A insulator 4 connects.Each insulator 4 is connect by wire clamp 3 with contact net.Suspend in midair simultaneously bracket 2 by the first monaural 22 and
Second monaural 23 is connected with two net-fault suspension connection pedestals 1 respectively, so that suspention bracket 2 is fixed on the wall surface in tunnel.
Overhead contact line in the present embodiment connects pedestal 1, as shown in Figs. 1-3, comprising: base body 11 and capitate bolt
12.Base body 11 is used to be fixed on the wall surface in tunnel, and base body 11 is equipped with axis hole 111, the flange of capitate bolt 12
121 are connected in axis hole 111, so that capitate bolt 12 and base body 11 are hinged.Wherein, capitate bolt 12 is by suspention spiral shell
The shape of the structure that bolt and flange 121 are welded or fitted together, flange 121 can turn according to the shape and needs of axis hole 111
Dynamic direction determines.Wherein, the more specific structure of overhead contact line connection pedestal 1 can refer to the relevant text of Fig. 1-Fig. 3
Description, details are not described herein.
It is different from the prior art, overhead contact line connection structure provided in this embodiment, comprising: suspention bracket 2 and above-mentioned
Overhead contact line connects pedestal 1.The both ends of suspention bracket 2 are connected separately with overhead contact line connection pedestal 1, so that suspention bracket
2, which connect pedestal 1 by overhead contact line, is fixed on the wall surface in tunnel.Overhead contact line connection structure provided in this embodiment by
Pedestal 1 is connected in using above-mentioned overhead contact line, can easily adjust overhead contact line connection pedestal 1 and suspention bracket 2
Between connection angle, the angle for making capitate bolt 12 and suspending in midair between bracket 2 keeps vertical, improves the installation of contact net system
Precision improves the whole stress of overhead contact line pedestal.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of overhead contact line connects pedestal characterized by comprising
Base body and capitate bolt；
The base body is used to be fixed on the wall surface in tunnel, and the base body is equipped with axis hole；The capitate bolt
Flange is connected in the axis hole, so that the capitate bolt and the base body are hinged.
2. overhead contact line according to claim 1 connects pedestal, which is characterized in that the flange is cylindrical body, described
The axis of cylindrical body is parallel to the plane where the route in the tunnel, two end faces of the cylindrical body respectively with the axis hole
Inner wall contact so that the flange is connected in the axis hole.
3. overhead contact line according to claim 1 connects pedestal, which is characterized in that further include: arc spacer and fixation
Nut；The bottom of the base body be equipped with arc bulge-structure, the bulge-structure be equipped with through-hole and with the axis hole
Perforation；The capitate bolt passes sequentially through the through-hole and the axis hole is hinged on the bottom of the base body；The arc
Gasket is connected on the capitate bolt by the bulge-structure and the fixture nut.
4. overhead contact line according to claim 3 connects pedestal, which is characterized in that the arc spacer and the protrusion
The contact surface of structure is equipped with fixed tooth, and the fixed tooth is clamped the bulge-structure.
5. overhead contact line according to claim 4 connects pedestal, which is characterized in that the yield strength of the fixed tooth is big
In the yield strength of the fixture nut.
6. overhead contact line according to claim 1 connects pedestal, which is characterized in that the base body and the tunnel
The contact surface of connection is equipped at least one raised cushion block.
7. overhead contact line according to claim 1 connects pedestal, which is characterized in that further include: T hook bolt；The T head
The base body is fixed on the wall surface in the tunnel by bolt by the bolt hole on the base body.
8. a kind of overhead contact line connection structure, which is characterized in that the overhead contact line connection structure is for fixing and hanging
Contact net；The overhead contact line connection structure includes: wire clamp, insulator, suspention bracket and such as right 1-7 described in any item
Overhead contact line connects pedestal；The wire clamp is fixed on the suspention bracket by the insulator, for connecting described connect
It touches net；The both ends of the suspention bracket are connected separately with the overhead contact line connection pedestal, so that the suspention bracket passes through
The overhead contact line connection pedestal is fixed on the wall surface in the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232595.3U CN208559085U (en) | 2018-08-01 | 2018-08-01 | A kind of overhead contact line connection pedestal and overhead contact line connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232595.3U CN208559085U (en) | 2018-08-01 | 2018-08-01 | A kind of overhead contact line connection pedestal and overhead contact line connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN208559085U true CN208559085U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821232595.3U Active CN208559085U (en) | 2018-08-01 | 2018-08-01 | A kind of overhead contact line connection pedestal and overhead contact line connection structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720239A (en) * | 2019-03-13 | 2019-05-07 | 中铁高铁电气装备股份有限公司 | A kind of low clearance single-track tunnel overhead contact line structure |
| CN110001456A (en) * | 2019-04-26 | 2019-07-12 | 中铁高铁电气装备股份有限公司 | A kind of adjustable conversion cradle of pre-buried channel flow bending-resistant type |
-
2018
- 2018-08-01 CN CN201821232595.3U patent/CN208559085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720239A (en) * | 2019-03-13 | 2019-05-07 | 中铁高铁电气装备股份有限公司 | A kind of low clearance single-track tunnel overhead contact line structure |
| CN110001456A (en) * | 2019-04-26 | 2019-07-12 | 中铁高铁电气装备股份有限公司 | A kind of adjustable conversion cradle of pre-buried channel flow bending-resistant type |
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