CN109038366A - A kind of pre- block device of crossing frame - Google Patents
A kind of pre- block device of crossing frame Download PDFInfo
- Publication number
- CN109038366A CN109038366A CN201810923454.4A CN201810923454A CN109038366A CN 109038366 A CN109038366 A CN 109038366A CN 201810923454 A CN201810923454 A CN 201810923454A CN 109038366 A CN109038366 A CN 109038366A
- Authority
- CN
- China
- Prior art keywords
- rope
- fixed pulley
- pulley group
- crossing frame
- fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to a kind of pre- block devices of crossing frame, it is matched with lattice crossing frame, including bearing rope (4) and linked network coaster (7), linked network coaster (7) is mounted on operation platform and connect with bearing rope (4), bearing rope (4) is for carrying protective net, it further include front end fixture (2), rear end fixture (3) and connecting rope (9), front end fixture (2) and rear end fixture (3) are fixed on the top crossbeam (1) of crossing frame, fixture (2) bottom in front end is equipped with the first fixed pulley group (12), second fixed pulley group (13) and rope gripper (11), rope gripper (11) setting is other in the second fixed pulley group (13), fixture (3) bottom in rear end is equipped with third fixed pulley group (14) and construction hole.Compared with prior art, the present invention will need the block worked continuously construction to split into two processes originally, complete during used time longer and linked network work there are uncertain factor is advanceed to preparation of construction, not by time restriction.
Description
Technical field
The present invention relates to a kind of Work tools that extra high voltage network crossing construction uses, more particularly, to a kind of crossing frame
Pre- block device.
Background technique
High voltage overhead lines unwrapping wire Midspan sag, high-speed railway, highway, highway, high-voltage line etc. generally use and set up hair
The methods of bamboo crossing frame, steel pipe crossing frame, live crossing frame, which are used as, crosses over frame body, the method that catch net is sealed on top again.Block needs
It to be carried out within the time of license, need to be spanned object road closure or the cooperation that has a power failure.Traditional block mode is arranged in place in bearing rope
Afterwards, protective net needs to draw when hanging, and small in high-altitude application space, can generate pocket card phenomenon toward contact, time-consuming very long.
A kind of method and apparatus are needed, the block process for needing continuously to construct originally is split, reduction is spanned object permission
Other a large amount of work and uncertain factor after reduce road closure or power off time when crossing over, while reducing artificial investment, mention
High construction safety is particularly important.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of pre- blocks of crossing frame
Device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of pre- block device of crossing frame, matches, including bearing rope and linked network coaster with lattice crossing frame, described
Linked network coaster be mounted on operation platform and connect with bearing rope, the bearing rope is for carrying protective net, before further including
Fixture, rear end fixture and connecting rope are held, the front end fixture and rear end fixture are fixed on the crossbeam on crossing frame top, described
Front end clamp base be equipped with the first fixed pulley group, the second fixed pulley group and rope gripper, the described rope gripper setting is the
By two fixed pulley groups, the rear end clamp base is equipped with third fixed pulley group and construction hole,
Construction includes following below scheme:
1) bearing rope rear end is fixed in construction hole, and front end passes through the second fixed pulley group after rope gripper, front end
After rope end is by the front end staff control on ground, rope gripper is clamped, and fixes bearing rope;
2) operating rope rear end passes through third fixed pulley group, and the rope end of rear end is controlled by the rear end staff on ground, front end
Rope end across the first fixed pulley group front end is controlled by the front end staff on ground, and operating rope is below bearing rope;
3) protective net is all hooked on bearing rope, and is connect with operating rope, adjust the width and length between protective net
Degree;
4) after closing a road to traffic or have a power failure, rope gripper is unclamped, keeps bearing rope middle part sagging, while making to grasp by decontroling both ends rope end
Make rope decline, adjust bearing rope and operating rope falling head, makes to protect net unfolding and be moved to be spanned designated position above object
Afterwards, operating rope and the anchoring of bearing rope both ends, complete construction.
First fixed pulley group, the second fixed pulley group and the third fixed pulley group has pulley locking mechanism.
First fixed pulley group, the second fixed pulley group and the third fixed pulley group respectively include two linkage determine cunning
Wheel.
The protective net is arranged on bearing rope by linked network coaster.
The rope gripper is presser type fixture.
The presser type fixture includes main body, spring, pressing plate and bolt, and described pressing plate one end is connected to by shaft
In main body, the spring is arranged between pressing plate and main body, and the bolt connects after passing through pressing plate and spring with main body screw
It connects, the elasticity of the length adjustment presser type fixture of mainboard is entered by bolt.
The bolt is band handle bolt.
The bearing rope is Di Nima bearing rope.
The protective net includes glass reinforced plastic fender rod.
Compared with prior art, the invention has the following advantages that
(1) the block construction working worked continuously will be needed to split into two processes originally, by the used time it is longer and exist not
It determines and is completed during the linked network work of factor advances to preparation of construction, not by time restriction.
(2) after closing a road to traffic or have a power failure, bearing rope and operating rope is conventionally carried out across object is spanned, is adjusted after fixing
As long as after loosening the rope gripper on the fixture of front end, protective net can be pulled to designated position, complete block operation, reduced big
Amount needs the times such as linked network adjustment originally, reduces the time of road closure or power failure.
(3) it is completed during advanceing to preparation of construction because of part work, when reducing usual manner block while what is needed applies
Work personnel amount.
(4) first fixed pulley groups, the second fixed pulley group and third fixed pulley group respectively include the fixed pulley of two linkages, mention
Strong mechanical performance extends the fixed pulley group service life.
(5) three fixed pulley groups have pulley locking mechanism, facilitate operation.
(6) presser type fixture uses spring pressing plate, and using bolt fastening, no loose mail is fallen, easy to operate.
Detailed description of the invention
Fig. 1 is the pre- block device operation principle schematic diagram of the present embodiment crossing frame;
Fig. 2 (a) is the sectional view of the present embodiment rope gripper open configuration;
Fig. 2 (b) is the sectional view of the present embodiment rope gripper clamped condition;
Fig. 3 (a) is the first fixed pulley group sectional view that the present embodiment pulley locks mechanism opening state;
Fig. 3 (b) is the first fixed pulley group sectional view of the present embodiment pulley locking mechanism collapsed state;
Appended drawing reference:
1 is top crossbeam;2 be front end fixture;3 be rear end fixture;4 be bearing rope;5 be bracing wire;6 protect for glass reinforced plastic
Bar;7 be linked network coaster;8 be connecting rope;9 be operating rope;10 be draw operations rope;11 be rope gripper;12 be the first fixed pulley
Group;13 be the second fixed pulley group;14 be third fixed pulley group;15 be connector.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As shown in Fig. 1~3 (b), a kind of pre- block device of crossing frame matches, including load with lattice crossing frame
Rope 4 and linked network coaster 7, linked network coaster 7 are mounted on operation platform and connect with bearing rope 4, and bearing rope 4 is for carrying protection
Net further includes front end fixture 2, rear end fixture 3 and connecting rope 9, and front end fixture 2 and rear end fixture 3 are with removable frame-type structure set
In top cross rail outer, it is fastened by bolts.Fixture 2 bottom in front end is equipped with the first fixed pulley group 12,13 and of the second fixed pulley group
Rope gripper 11, rope gripper 11 are arranged by the second fixed pulley group 13, and fixture 3 bottom in rear end is equipped with 14 He of third fixed pulley group
Construction hole,
First fixed pulley group 12, the second fixed pulley group 13 and third fixed pulley group 14 respectively include two linkage determine cunning
Wheel has pulley locking mechanism, and pulley locks mechanism principle and rope gripper 11 is essentially identical.
Rope gripper 11 is presser type fixture, and presser type fixture includes main body, spring, pressing plate and with handle bolt, pressing plate
One end is connected in main body by shaft, and spring is arranged between pressing plate and main body, after band handle bolt passes through pressing plate and spring
It is connect with main body screw, the elasticity of the length adjustment presser type fixture of mainboard is entered by bolt.
Bracing wire 5 is connect with rear end fixture 3, and 4 tail end of bearing rope is connect by shackle with rear end fixture 3, and bearing rope 4 is enlightening Buddhist nun
Ma bearing rope.
It completes crossing frame in the crossing construction preparation stage to set up, in the lattice crossing frame for being spanned the side of object in parallel
On forward and backward top crossbeam 1, front and back end fixture is installed respectively, rear end fixture 3 is connected by buckle with bracing wire 5 and bearing rope 4,
Front end fixture 2 is fixedly clamped after the tightening of bearing rope 4 by rope gripper 11, will and be leveled bearing rope 4.
Glass reinforced plastic fender rod 6 is hung on bearing rope 4 by linked network coaster 7 by root on the operational platform, and and connecting rope
8, operating rope 9 connects, and adjusts the width x length between protective net, protective net includes glass reinforced plastic fender rod 6, each glass reinforced plastic fender rod
6 bottoms are connected by connecting rope 8.
Road closure or after having a power failure, can will be across being spanned the operating rope 9 of object and bearing rope 4 and another by draw operations rope 10
The operating rope 9 of root trawlnet connects, and carries out one and leads multioperation, is connected between rope by connector 15.
Loosen the rope gripper 11 of front end fixture 2, manpower eases out below the first fixed pulley group 12, and bearing rope 4 is detached from folder
It is naturally drooped after rope device 11, adjustment bearing rope 4 keeps can normally pulling protective net after height is consistent to being spanned object top
Specified position, reduces the time of a large amount of mounting and adjusting protective net, and reduces artificial investment.
Claims (9)
1. a kind of pre- block device of crossing frame, matches with lattice crossing frame, including bearing rope (4) and linked network coaster (7),
The linked network coaster (7) is mounted on operation platform and connect with bearing rope (4), and the bearing rope (4) is anti-for carrying
Protective net, which is characterized in that further include front end fixture (2), rear end fixture (3) and connecting rope (9), the front end fixture (2) and
Rear end fixture (3) is fixed on the top crossbeam (1) of crossing frame, and front end fixture (2) bottom is equipped with the first fixed pulley group
(12), the second fixed pulley group (13) and rope gripper (11), the rope gripper (11) are arranged in the second fixed pulley group (13)
Side, rear end fixture (3) bottom are equipped with third fixed pulley group (14) and construction hole,
Construction includes following below scheme:
1) bearing rope (4) rear end is fixed in construction hole, and front end passes through the second fixed pulley group after rope gripper (11)
(13), after the rope end of front end is by the front end staff control on ground, rope gripper (11) is clamped, and keeps bearing rope (4) fixed;
2) operating rope (9) rear end passes through third fixed pulley group (14), and the rope end of rear end is controlled by the rear end staff on ground, preceding
The rope end across first fixed pulley group (12) front end is held to be controlled by the front end staff on ground, operating rope (9) is generally in holding
Below power rope (4);
3) protective net is all hooked on bearing rope (4), and is connect with operating rope (9), adjust width between protective net and
Length;
4) it after closing a road to traffic or have a power failure, unclamps rope gripper (11), keeps bearing rope (4) middle part sagging, while by decontroling both ends rope end
Decline operating rope (9), adjust bearing rope (4) and operating rope (9) falling head, makes to protect net unfolding and be moved to be spanned object
Behind the designated position of top, construction is completed in operating rope (9) and the anchoring of bearing rope (4) both ends.
2. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the first fixed pulley group
(12), the second fixed pulley group (13) and third fixed pulley group (14) have pulley locking mechanism.
3. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the first fixed pulley group
(12), the second fixed pulley group (13) and third fixed pulley group (14) respectively include the fixed pulley of two linkages.
4. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the protective net passes through linked network
Coaster (7) is arranged on bearing rope (4).
5. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the rope gripper (11) is
Presser type fixture.
6. the pre- block device of a kind of crossing frame according to claim 5, which is characterized in that the presser type fixture includes
Main body, spring, pressing plate and bolt, described pressing plate one end are connected in main body by shaft, and the spring is arranged in pressing plate
Between main body, the bolt is connect after passing through pressing plate and spring with main body screw, and the length tune of mainboard is entered by bolt
Save the elasticity of presser type fixture.
7. the pre- block device of a kind of crossing frame according to claim 6, which is characterized in that the bolt is band handle spiral shell
Bolt.
8. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the bearing rope (4) is enlightening
Nima bearing rope.
9. the pre- block device of a kind of crossing frame according to claim 1, which is characterized in that the protective net includes glass
Steel fender rod (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810923454.4A CN109038366A (en) | 2018-08-14 | 2018-08-14 | A kind of pre- block device of crossing frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810923454.4A CN109038366A (en) | 2018-08-14 | 2018-08-14 | A kind of pre- block device of crossing frame |
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Publication Number | Publication Date |
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CN109038366A true CN109038366A (en) | 2018-12-18 |
Family
ID=64634156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810923454.4A Pending CN109038366A (en) | 2018-08-14 | 2018-08-14 | A kind of pre- block device of crossing frame |
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CN (1) | CN109038366A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112864946A (en) * | 2021-02-25 | 2021-05-28 | 上海送变电工程有限公司 | Crossing structure protection network integrated device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103427369A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Double-deck block for spreading crossing rack rope and using method thereof |
CN203875787U (en) * | 2014-05-20 | 2014-10-15 | 李红 | Elastic pressing plate clamp |
CN204316007U (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | A kind of transmission line crossing construction device |
CN205681016U (en) * | 2016-06-22 | 2016-11-09 | 江苏华成电力设备有限公司 | A kind of cableway-type lives across net |
-
2018
- 2018-08-14 CN CN201810923454.4A patent/CN109038366A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103427369A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Double-deck block for spreading crossing rack rope and using method thereof |
CN103427369B (en) * | 2013-08-29 | 2016-12-28 | 国家电网公司 | Unfolding crossing frame rope double-deck coaster and using method thereof |
CN203875787U (en) * | 2014-05-20 | 2014-10-15 | 李红 | Elastic pressing plate clamp |
CN204316007U (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | A kind of transmission line crossing construction device |
CN205681016U (en) * | 2016-06-22 | 2016-11-09 | 江苏华成电力设备有限公司 | A kind of cableway-type lives across net |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112864946A (en) * | 2021-02-25 | 2021-05-28 | 上海送变电工程有限公司 | Crossing structure protection network integrated device |
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Application publication date: 20181218 |