CN209719315U - A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure - Google Patents
A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure Download PDFInfo
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- CN209719315U CN209719315U CN201920515040.8U CN201920515040U CN209719315U CN 209719315 U CN209719315 U CN 209719315U CN 201920515040 U CN201920515040 U CN 201920515040U CN 209719315 U CN209719315 U CN 209719315U
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Abstract
Parallel connection is led the utility model discloses a kind of contact net Dan Chengdan to cast anchor collocation structure, it is related to contact net anchorage technical field, including anchor post, tension compensating mechanism, compensation rope, balance plate, carrier cable, contact line and two insulators, the tension compensating mechanism is fixedly installed on the anchor post, one end of the compensation rope is connect with the tension compensating mechanism, its other end is connect with the middle part of the balance plate, the both ends of the balance plate are connected separately with the insulator, two insulators are arranged in parallel, the one end of one insulator far from the balance plate is connect with the end of the carrier cable, another one end of insulator far from the balance plate is connect with the end of the contact line.The structure that contact net Dan Chengdan leads the collocation structure in parallel that casts anchor is simple, and the load on anchor post top is small, it is ensured that the stabilization of tension compensating guarantees the normal operation of subway.
Description
Technical field
The utility model relates to contact net anchorage technical field, specially a kind of contact net Dan Chengdan leads parallel connection and casts anchor compensation
Structure.
Background technique
In subway construction, need to take stream for its pantograph in zigzag erecting contact net above rail.According to contact
Whether line generates deformation when pantograph passes through is divided into flexible suspension contact net and rigid suspension catenary two types again.Dan Cheng
Single conduction suspension is a kind of mode of subway flexible suspension, this kind of hang is the overhung list load in single contact line
Contact line is hung up using the lifting rope being mounted on carrier cable in the case where not increasing pillar, increases contact line by rope
Point of suspension improves the stability of contact line, and may make contact line to be consistent away from the height of rail level by adjusting lifting rope length,
Improve the elasticity of contact suspension.In the erection of carrier cable and contact line, it is necessary to cast anchor, pass through carrier cable and contact line
It is fixed in two terminals after multiple spans.In practical applications, contact line and carrier cable can be generated with temperature change
Thermal expansion and cold contraction effect causes the flexible of clue.For make clue it is flexible do not influence pantograph take stream, need the setting when casting anchor
Compensation device, the tension of adjust automatically contact line and carrier cable.
In the prior art, the lower anchor structure of Dan Chengdan conduction suspension is usually mended as shown in Figure 1, fixing two tension on anchor post
Repay device, the end of carrier cable and contact line is connect with a tension compensating mechanism respectively.In the setting, because being installed on anchor post
Two tension compensating mechanisms, so that apparatus structure is complicated, the load on the top of anchor post is larger.Especially compensated using ratchet-type
When device and drum type compensation device, the lifting to guarantee two falling mounds is interference-free, and contact line or carrier cable ratchet cast anchor bottom
The phenomenon that holder structure cantilever is longer, and the cantilever can be made to generate biggish bending to anchor post, cantilever is be easy to cause to tilt down, shadow
Ring its automatic compensation function.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of contact net Dan Chengdan is provided leads parallel connection and cast anchor
Collocation structure, structure is simple, and the load on anchor post top is small, it is ensured that the stabilization of tension compensating guarantees the normal operation of subway.
The purpose of this utility model is achieved through the following technical solutions:
A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure, including anchor post, tension compensating mechanism, compensation rope, balance
Plate, carrier cable, contact line and two insulators, the tension compensating mechanism are fixedly installed on the anchor post, the compensation rope
One end connect with the tension compensating mechanism, the other end is connect with the middle part of the balance plate, the both ends of the balance plate
Be connected separately with the insulator, two insulators are arranged in parallel, an insulator far from the balance plate one
End is connect with the end of the carrier cable, the end of another insulator one end far from the balance plate and the contact line
Portion's connection.
It further, further include link block, connecting plate a, connecting plate b and single-lug connector, the compensation rope is far from described
One end of tension compensating mechanism is hinged by one end of the link block and the connecting plate a, the other end of the connecting plate a and
One end of the connecting plate b is hinged, and one end of the other end and the single-lug connector of the connecting plate b is hinged, the monaural
The other end of connector and the balance plate are hinged.
Further, two insulators are rotatably connected with the balance plate.
Further, the both ends of the balance plate pass through screw and are fixedly connected with terminal pad, two insulators
One end is fixedly connected with T-shaped block by screw, and stair-stepping through-hole is machined in the terminal pad, and the T-shaped block is set to institute
It states in through-hole.
Further, an insulator is provided with screw rod a, the end of the contact line far from one end of the balance plate
Portion is provided with the thread rotary orientation of screw rod b, the screw rod a and screw rod b on the contrary, further including adjustment thread bush, the adjustment thread bush
Both ends be connected through a screw thread respectively with the screw rod a and screw rod b.
Further, the tension compensating mechanism includes holding anchor base, guide type shoe, connecting rod, ratchet, drawstring, falling mound,
Brake(-holder) block, fixed frame and guide rod；
The top held anchor base and be fixedly installed on the anchor post, one end of the connecting rod and the anchor base that holds are consolidated
Fixed connection, the other end are rotatably connect with the ratchet, and one end of the end of the compensation rope and the drawstring is and institute
The side for stating ratchet is fixedly connected, and the other end of the drawstring is fixedly connected with the falling mound；
The guide type shoe is fixedly installed on the lower part of the anchor post, and the guide rod is fixedly installed on guide type shoe,
The fixed frame is fixedly connected with the falling mound, and the fixed frame is slidably connect with the guide rod；
The brake(-holder) block is held on anchor base described in being fixedly installed on, and the brake(-holder) block is adapted with the ratchet of the ratchet.
The beneficial effects of the utility model are:
1. contact net Dan Chengdan leads parallel connection and casts anchor collocation structure using a tension compensating mechanism, docked by balance plate
Touching line and carrier cable carry out tension compensating simultaneously.Compared with the prior art, because reducing a compensation device, so that structure is more
Simply, the load for reducing anchor post top guarantees the stabilization of tension compensating.
2. balance plate is connect with contact line and carrier cable respectively by two insulators, while guaranteeing insulation effect,
Also contact net system is entire caused by effectively preventing because of a certain Insulator detection or half of anchor section is drawn across or collapsed, and influences to transport
The case where battalion is normally carried out.
3. successively hinged link block, connecting plate a and connecting plate b is arranged between balance plate and compensation rope, and monaural is set
Connector.So that balance plate can be deflected or be swung within a certain angle, the equalization of strain of both threads rope is realized, eliminate both threads rope
Because thermal expansion and contraction degree it is different caused by deviation, and caused by eliminating because of the difference of carrier cable and contact line thermal boundary shrinkage degree its
The case where link position fatiguability damages, increases the service life of connector.
4. insulator is set as being rotatably connected with balance plate, the torsion in clue connecting pin can be effectively eliminated, this is avoided
Link position and insulator damage due to for a long time by stress, extend the service life of insulator.And by optimization structure, make
It is more convenient to obtain the position being rotatably connected installation.
5. regulating device is provided between insulator and contact line, it, can be in height when being replaced to the insulator of damage
Singlehanded adjustment is realized in idle job, preferably guarantees operation safety.
Detailed description of the invention
Fig. 1 is the schematic diagram that contact net Dan Chengdan leads the collocation structure in parallel that casts anchor in the prior art；
Fig. 2 is the schematic diagram that a kind of contact net Dan Chengdan of the utility model leads the collocation structure in parallel that casts anchor；
Fig. 3 is the portion A enlarged diagram in Fig. 2；
Fig. 4 is the portion B enlarged diagram in Fig. 3；
Fig. 5 is the structural schematic diagram of tension compensating mechanism.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.
As shown in Figures 1 to 5, a kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure, including anchor post 1, tension compensating
Device 2, compensation rope 3, balance plate 4, carrier cable 6, contact line 7 and two insulators 5.Tension compensating mechanism 2 is fixedly installed in anchor
On column 1, one end of compensation rope 3 is connect with tension compensating mechanism 2, and the other end is connect with the middle part of balance plate 4, balance plate 4
Both ends are connected separately with insulator 5, and two insulators 5 are arranged in parallel, an insulator 5 one end and load far from balance plate 4
The end of rope 6 connects, another one end of insulator 5 far from balance plate 4 is connect with the end of contact line 7.In the setting, only in
One tension compensating mechanism 2 is set on anchor post 1, carrier cable 6 and contact line 7 are carried out automatically by 3 tension balance plate 4 of compensation rope
Tension compensating avoids tension variation caused by the thermal expansion and cold contraction effect because of clue, influences the normal use of contact net.Implement in early period
When, to guarantee insulation effect, balance plate 4 is attached by insulator and compensation rope 3.Because insulator belongs to vulnerable part, make
With finding in the process, in the contact net of above-mentioned setting, once insulator is broken, it is entire or half to will cause contact net system
Anchor section is drawn across or is collapsed, and personnel and vehicle damage are caused, and influences the case where operation is normally carried out.Therefore, by improving, specifically
When implementation, for guarantee insulation effect, the end of carrier cable 6 and contact line 7 passes through insulator 5 and connect with balance plate 4.The setting
In, when one of insulator 5 is broken, another insulator 5 still keeps the connection of clue and balance plate 4, prevents
Because the fracture of insulator 5 occur can not normal operation the case where, it is ensured that it is interim to use, when being won for the reparation of contact net
Between.
Pulley-type tension compensating mechanism, spring type tension compensating device, drum type can be selected in mentioned strain compensation device 2
Force compensating device etc. selects ratchet-type tension compensating mechanism in the present embodiment.
The tension compensating mechanism 2 includes holding anchor base 21, guide type shoe 22, connecting rod 23, ratchet 24, drawstring 25, falling mound
26, brake(-holder) block 27, fixed frame 28 and guide rod 29.
The top that anchor base 21 is fixedly installed on anchor post 1 is held, one end of connecting rod 23 is fixedly connected with anchor base 21 is held,
The other end is rotatably connect with ratchet 24, and the end of compensation rope 3 and one end of drawstring 25 are fixed with the side of ratchet 24 and connected
It connects, the other end of drawstring 25 is fixedly connected with falling mound 26.When it is implemented, compensation rope 3 by clue pulling force on ratchet 24
The torque of formation and the gravity of falling mound 26 are in equilibrium state by the compensating torque that drawstring 25 applies to ratchet 24 at any time.Clue
Tension value determined by the gravity of falling mound 26, always be in steady state value.When clue expanded by heating, under the action of falling mound 26,
Ratchet 24 turns an angle, and stretches clue, until clue internal tension reaches above-mentioned constant tension, makes clue and compensation rope
3 suspension part is returned to the shape of normal use, guarantees the normal operation of contact net.When clue is by cold events, compensation rope 3
Ratchet 24 is driven to rotate an angle to above-mentioned opposite direction, falling mound 26 rises under the drive of ratchet 24 and drawstring 25, still
The tension of clue is maintained be in above-mentioned constant tension, still position is in normal use to the suspension part of compensation rope 3 and clue
Shape guarantees the normal operation of contact net.
The lower part of anchor post 1 is provided with guide type shoe 22, and guide rod 29 is arranged on guide type shoe 22.It is arranged in falling mound 26 and fixes
Frame, falling mound 26 are slided on guide rod 29 by fixed frame 28.In actual use, falling mound 26 is oriented to by guide rod 29, is passed through
Limit constraint ensures the motion profile of falling mound 26, prevents it from shaking in lifting process, influences the constancy of tension compensating, simultaneously
Avoid security risk caused by falling mound 26 is shaken.
It holds and is provided with brake(-holder) block 27 on anchor base 21, brake(-holder) block 27 is adapted with the ratchet of ratchet 24.When clue is broken
When splitting accident, ratchet 24 can rotate under the pulling of drawstring 25, and falling mound 26 can fall at this time, and there are great security risks.If
Set brake(-holder) block 27 can when ratchet 24 turns an angle, ratchet be braked piece 27 blocking, make its limit, prevent falling mound 26 after
Continuous tenesmus.
It also sets up between compensation rope 3 and balance plate 4 and is connected by link block 31, connecting plate a32, connecting plate b33 with monaural
Device 34 connects.Compensation 3 one end far from tension compensating mechanism 2 of rope are hinged by link block 31 and one end of connecting plate a32, connection
The other end of plate a32 and one end of connecting plate b33 are hinged, and one end of the other end and single-lug connector 34 of connecting plate b33 is hinged,
The other end and balance plate 4 of single-lug connector 34 are hinged.Because contact line 7 is different with the material of carrier cable 6, the journey expanded with heat and contract with cold
It spends not consistent.Setting single-lug connector 34 also allows balance plate 4 to swing within a certain angle, realizes that the tension of both threads rope is flat
Weighing apparatus, eliminate both threads rope because thermal expansion and contraction degree it is different caused by deviation.Link block 31, connecting plate a32, connecting plate b33 are set
It is successively hinged, so that balance plate 4 can deflect front and back within a certain angle, answered in balance plate 4 caused by eliminating because of thermal boundary shrinkage difference
Power is unevenly distributed, so that stress existing for its link position increases connector to delay the fatigue damage of the junction
Service life.
Further, two insulators 5 are to be rotatably connected with balance plate 4, can be effectively eliminated in clue connecting pin
Torsion avoids the link position and insulator from damaging due to for a long time by stress, extends the service life of insulator.It is specific real
Shi Shi, the both ends of balance plate 4 pass through screw and are fixedly connected with terminal pad 41, and one end of two insulators 5 is fixed by screw
It is connected with T-shaped block 42, stair-stepping through-hole is machined in terminal pad 41, T-shaped block 42 is set in through-hole.During installation, by T shape
Block is placed in terminal pad 41, makes T-shaped block and the end of insulator 5 fasten to form whole spare part with screw.Thereafter, in high altitude operation
When, it is only necessary to terminal pad 41 is mounted on by corresponding position on balance plate 4 by screw, is installed also more convenient.
Further, regulating device is provided between insulator 5 and contact line 7.The insulator 5 far from balance plate 4 one
End is provided with screw rod a81, and the end of contact line 7 is provided with the thread rotary orientation of screw rod b82, screw rod a81 and screw rod b82 on the contrary, also
Including adjusting thread bush 8, the both ends of adjustment thread bush 8 are connected through a screw thread with screw rod a81 and screw rod b82 respectively.Pacified
When dress, adjusting thread bush 8 by turn can be completed the elastic adjustment of contact line 7, and operation is extremely convenient, especially to damage
When bad insulator is replaced, singlehanded adjustment can be realized in high altitude operation, preferably guarantees operation safety.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (6)
1. a kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure, which is characterized in that including anchor post (1), tension compensating mechanism
(2), compensation rope (3), balance plate (4), carrier cable (6), contact line (7) and two insulators (5), the tension compensating mechanism
(2) it is fixedly installed on the anchor post (1), one end of the compensation rope (3) is connect with the tension compensating mechanism (2), another
One end is connect with the middle part of the balance plate (4), and the both ends of the balance plate (4) are connected separately with the insulator (5), and two
The insulator (5) is arranged in parallel, an insulator (5) one end and the carrier cable (6) far from the balance plate (4)
End connection, another described insulator (5) far from the balance plate (4) one end and the contact line (7) end connect
It connects.
2. a kind of contact net Dan Chengdan according to claim 1 leads parallel connection and casts anchor collocation structure, which is characterized in that further include
Link block (31), connecting plate a(32), connecting plate b(33) and single-lug connector (34), the compensation rope (3) is far from described tension
One end of compensation device (2) is hinged by the link block (31) and one end of the connecting plate a(32), the connecting plate a
(32) one end of the other end and the connecting plate b(33) is hinged, the connecting plate b(33) the other end connect with the monaural
One end of device (34) is hinged, and the other end of the single-lug connector (34) and the balance plate (4) are hinged.
3. a kind of contact net Dan Chengdan according to claim 2 leads parallel connection and casts anchor collocation structure, which is characterized in that two institutes
Insulator (5) is stated to be rotatably connected with the balance plate (4).
4. a kind of contact net Dan Chengdan according to claim 3 leads parallel connection and casts anchor collocation structure, which is characterized in that described flat
The both ends of weighing apparatus plate (4) pass through screw and are fixedly connected with terminal pad (41), and one end of two insulators (5) is solid by screw
Surely it is connected with T-shaped block (42), stair-stepping through-hole is machined on the terminal pad (41), the T-shaped block (42) is set to described
In through-hole.
5. a kind of contact net Dan Chengdan according to claim 1 leads parallel connection and casts anchor collocation structure, which is characterized in that an institute
State insulator (5) and the one end of the balance plate (4) be provided with screw rod a(81), the end of the contact line (7) is provided with spiral shell
Bar b(82), the screw rod a(81) and screw rod b(82) thread rotary orientation on the contrary, further include adjustment thread bush (8), the adjustment spiral shell
The both ends of line set (8) are connected through a screw thread with the screw rod a(81) and screw rod b(82) respectively.
6. a kind of contact net Dan Chengdan according to claim 1 leads parallel connection and casts anchor collocation structure, which is characterized in that described
Force compensating device (2) includes holding anchor base (21), guide type shoe (22), connecting rod (23), ratchet (24), drawstring (25), falling mound
(26), brake(-holder) block (27), fixed frame (28) and guide rod (29)；
The top held anchor base (21) and be fixedly installed on the anchor post (1), one end of the connecting rod (23) are held with described
Anchor base (21) is fixedly connected, and the other end is rotatably connect with the ratchet (24), the end of the compensation rope (3) and institute
The one end for stating drawstring (25) is fixedly connected with the side of the ratchet (24), the other end of the drawstring (25) and the falling mound
(26) it is fixedly connected；
The guide type shoe (22) is fixedly installed on the lower part of the anchor post (1), and the guide rod (29) is fixedly installed on guiding
On support (22), the fixed frame (28) is fixedly connected with the falling mound (26), the fixed frame (28) and the guide rod
(29) slidable connection；
The brake(-holder) block (27) is held on anchor base (21) described in being fixedly installed on, the brake(-holder) block (27) and the ratchet (24)
Ratchet is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515040.8U CN209719315U (en) | 2019-04-16 | 2019-04-16 | A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515040.8U CN209719315U (en) | 2019-04-16 | 2019-04-16 | A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure |
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| Publication Number | Publication Date |
|---|---|
| CN209719315U true CN209719315U (en) | 2019-12-03 |
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ID=68691906
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515040.8U Active CN209719315U (en) | 2019-04-16 | 2019-04-16 | A kind of contact net Dan Chengdan leads parallel connection and casts anchor collocation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559280A (en) * | 2020-04-23 | 2020-08-21 | 石家庄京铁供电器材有限公司 | Railway contact net pulley block anchoring compensation device |
| CN111890993A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Contact net lower anchor weight compensation limiting device |
| CN113085669A (en) * | 2021-04-02 | 2021-07-09 | 吴昊 | Fixing structure of upper-span bridge steel column carrier cable lower anchor device |
-
2019
- 2019-04-16 CN CN201920515040.8U patent/CN209719315U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559280A (en) * | 2020-04-23 | 2020-08-21 | 石家庄京铁供电器材有限公司 | Railway contact net pulley block anchoring compensation device |
| CN111559280B (en) * | 2020-04-23 | 2023-05-16 | 石家庄京铁供电器材有限公司 | Anchor compensation device for pulley block of railway contact net |
| CN111890993A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Contact net lower anchor weight compensation limiting device |
| CN111890993B (en) * | 2020-06-29 | 2022-03-22 | 中铁第一勘察设计院集团有限公司 | Contact net lower anchor weight compensation limiting device |
| CN113085669A (en) * | 2021-04-02 | 2021-07-09 | 吴昊 | Fixing structure of upper-span bridge steel column carrier cable lower anchor device |
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