CN107579486B - Large-span bridge for cable - Google Patents
Large-span bridge for cable Download PDFInfo
- Publication number
- CN107579486B CN107579486B CN201710784077.6A CN201710784077A CN107579486B CN 107579486 B CN107579486 B CN 107579486B CN 201710784077 A CN201710784077 A CN 201710784077A CN 107579486 B CN107579486 B CN 107579486B
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- buckle
- bridge
- rotary drum
- supporting rod
- pulley
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
the invention discloses a large-span bridge for a cable, which comprises a lifting mechanism, a bridge and a support frame, wherein the lifting mechanism is positioned below one side of the bridge, the bridge is positioned below the support frame, the bottom end of the support frame is positioned on one side of the lifting mechanism, and the lifting mechanism comprises: first bracing piece, second bracing piece and rotary drum, there is ground the below of rotary drum, first bracing piece, the bottom of second bracing piece all is fixed with ground, the top of first bracing piece with rotate with the rotary drum and be connected, the one end of second bracing piece rotates with the other end of rotary drum and is connected, the one end that the rotary drum is close to first bracing piece still is fixed with gear and crank, the top of first bracing piece is fixed with the third bracing piece, the one end of third bracing piece is fixed with the clog shell, the inner wall of clog shell has the spring. The cable inspection device is reasonable in design structure and simple to operate, can effectively fasten the bridge, can inspect cables of the bridge through the lifting device, and can freely adjust the height of the bridge.
Description
Technical Field
The utility model relates to a cable testing bridge technical field especially relates to a large-span crane span structure for cable.
background
the cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and comprises a support, a supporting arm, an installation accessory and the like. The bridge can independently erect in the building, also can attach and establish on various building (structure) and piping lane support, should embody simple structure, handsome in appearance, dispose characteristics such as nimble and easy maintenance, all parts all need carry out the zinc-plating and handle, install the open-air bridge outside the building, this paper adopts is the slot type bridge, traditional bridge, it will be very difficult to move about after fixed, can not carry out the cable in the fine detection bridge, and to the suspension type bridge, the fastening of bridge is not enough, cause the bridge to warp easily, fall, this paper has designed novel structure according to current bridge, effectively solve the fastening of bridge and the problem that can't freely detect the circuit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a large-span bridge for cables.
in order to achieve the above purpose, the utility model adopts the following technical scheme:
A large-span bridge for cables comprises a lifting mechanism, a bridge and a support frame, wherein the lifting mechanism is positioned below one side of the bridge, the bridge is positioned below the support frame, and the bottom end of the support frame is positioned on one side of the lifting mechanism;
The lifting mechanism comprises: the device comprises a first supporting rod, a second supporting rod and a rotary drum, wherein the ground is arranged below the rotary drum, the bottom ends of the first supporting rod and the second supporting rod are fixed with the ground, the top end of the first supporting rod is rotationally connected with the rotary drum, one end of the second supporting rod is rotationally connected with the other end of the rotary drum, a gear and a crank are further fixed at one end of the rotary drum close to the first supporting rod, a third supporting rod is fixed at the top end of the first supporting rod, a stopper shell is fixed at one end of the third supporting rod, a spring is arranged on the inner wall of the stopper shell, a clamping block is fixed at the bottom end of the spring, a pull rod is fixed at the top end of the clamping block, the spring is sleeved on the pull rod, the top end of the pull;
The crane span structure includes: the iron chain is locked with the bottom box and the top cover through the buckle, a pull ring is welded on the outer wall of the top end of the buckle, an elastic snap ring is connected to the inner wall of the top end of the buckle, a latch is arranged in the buckle, one end of the latch is connected with a connecting bolt, one end of the connecting bolt penetrates through the inner wall of the buckle and is connected with a movable bolt, the other iron chain penetrates through the inside of the buckle and extends out of the buckle, and the iron chain is clamped with the latch;
The support frame includes: first pulley, second pulley, stay cord and dead lever, first pulley are located the top of pull ring, and the second pulley is located the top of dead lever, and the one end and the pull ring of stay cord are connected, and the other end and the rotary drum winding of stay cord are connected, and the bottom and the ground of dead lever are fixed.
preferably, the bottom end of the fixture block is an inclined plane, and the bottom end of the fixture block extends to the space between the teeth of the gear.
Preferably, the one end of connecting the bolt rotates with one side inner wall of buckle to be connected, connects bolt and latch fixed connection, connects the other end and the activity of bolt fixed connection of bolt, the one end and the latch fixed connection of snap ring, and snap ring and latch all are located the inside of buckle.
preferably, the fixing rod is of an inverted L-shaped structure, the fixing rod is divided into a horizontal rod and a vertical rod, the second pulley is located at one end of the horizontal rod, the first pulley is located at the joint of the horizontal rod and the vertical rod, and the pull rope is wound on the first pulley and the second pulley.
preferably, a plurality of heat dissipation holes are formed in two sides of the bottom box.
Preferably, the bottom end of the latch is clamped into a chain link of the iron chain.
The utility model has the advantages that: the locking mechanism is used for locking the iron chain under the action of the latch and the elastic snap ring, so that the bridge is fastened, and the uneven deformation caused by stress is prevented; the lifting and the lowering of the bridge frame are realized through the action of the pull rope, the pulley and the rotary drum, so that the problem of a line in the bridge frame is periodically checked; through detent mechanism, the fixture block realizes carrying out one-way locking to the gear of fixing on the rotary drum, shakes the rotary drum at the crank and makes the crane span structure in-process that rises, guarantees that the rotary drum can not turn around to guarantee that the crane span structure rises and can not drop.
Drawings
Fig. 1 is a schematic structural front view of a large-span bridge for cables according to the present invention;
Fig. 2 is a schematic front view of an enlarged structure at a position a of a large-span bridge for a cable according to the present invention;
Fig. 3 is a schematic side view of an enlarged structure at a position a of a large-span bridge for a cable according to the present invention;
Fig. 4 is a schematic front view of an enlarged structure at a position B of a large-span bridge for cables according to the present invention;
Fig. 5 is a schematic front view of a bottom box structure of a large-span bridge for cables according to the present invention;
Fig. 6 is a schematic top view of a bottom box structure of a large-span bridge for a cable according to the present invention.
In the figure: 1 a first supporting rod, 2 a crank, 3 a fixed rod, 4 a first pulley, 5 a pull rope, 6 a top cover, 7 an iron chain, 8 an iron ring, 9 a bottom box, 10 a rotary drum, 11 a second supporting rod, 12 a pull rod, 13 a stopper shell, 14 a fixture block, 15 a gear, 16 a pull ring, 17 a movable bolt, 18 a latch, 19 a buckle, 20 a clamp ring and 21 a second pulley.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a large-span bridge for a cable comprises a lifting mechanism, a bridge and a support frame, wherein the lifting mechanism is positioned below one side of the bridge, the bridge is positioned below the support frame, and the bottom end of the support frame is positioned on one side of the lifting mechanism;
The lifting mechanism comprises: the device comprises a first support rod 1, a second support rod 11 and a rotary drum 10, wherein the ground is arranged below the rotary drum 10, the bottom ends of the first support rod 1 and the second support rod 11 are fixed with the ground, the top end of the first support rod 1 is rotatably connected with the rotary drum 10, one end of the second support rod 11 is rotatably connected with the other end of the rotary drum 10, a gear 15 and a crank 2 are further fixed at one end of the rotary drum 10 close to the first support rod 1, a third support rod is fixed at the top end of the first support rod 1, a stopper shell 13 is fixed at one end of the third support rod, a spring is arranged on the inner wall of the stopper shell 13, a clamping block 14 is fixed at the bottom end of the spring, a pull rod 12 is fixed at the top end of the clamping block 14, the spring is sleeved on the pull rod 12, the top end of the pull rod 12 penetrates through the;
the crane span structure includes: the iron chain locking device comprises a bottom box 9, a top cover 6 and iron chains 7, wherein a plurality of heat dissipation holes are formed in the bottom end of the bottom box 9, iron rings 8 are welded on two sides of the bottom end of the bottom box 9, the iron rings 8 are connected with the iron chains 7, the other end of one iron chain 7 is connected with a buckle 19, the buckle 19 is of a cavity structure, the buckle 19 is located at the top end of the top cover 6, the top cover 6 is located at the top end of the bottom box 9, the iron chain 7 is locked with the bottom box 9 and the top cover 6 through the buckle 19, a pull ring 16 is welded on the outer wall of the top end of the buckle 19, an elastic snap ring 20 is connected to the inner wall of the top end of the buckle 19, a snap tooth 18 is arranged in the buckle 19, one end of the snap tooth 18 is connected with a connecting bolt, one end of the connecting bolt;
The support frame includes: first pulley 4, second pulley 21, stay cord 5 and dead lever 3, first pulley 4 are located the top of pull ring 16, and second pulley 21 is located the top of dead lever 3, and the one end and the pull ring 16 of stay cord 5 are connected, and the other end and the rotary drum 10 winding of stay cord 5 are connected, and the bottom and the ground of dead lever 3 are fixed.
in this embodiment, the iron chain 7 is through the chucking with latch 18 in the buckle 19, thereby to the locking of under casing 9, it is firm to guarantee the crane span structure, be connected to the pull ring 16 with the one end of stay cord 5 on, wave crank 2, realize the promotion to the crane span structure under the effect of rotary drum 10, stay cord 5 and pulley 4, detent mechanism's fixture block 14 can prevent rotary drum 10 gyration when promoting the crane span structure, avoid the crane span structure to drop, fixture block 14 can the tooth of chucking gear 15, play the effect of locking, can pull up pull rod 12 when descending the crane span structure, thereby untie locking, make the crane span structure descend, latch 18 can with the chain link chucking of iron chain 7, this design is rational in infrastructure, and easy operation can effectively realize the fastening of crane span structure, can inspect the cable of crane span structure through elevating gear, freely adjust the crane span structure height.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A large-span bridge for cables comprises a lifting mechanism, a bridge and a support frame, and is characterized in that the lifting mechanism is positioned below one side of the bridge, the bridge is positioned below the support frame, and the bottom end of the support frame is positioned on one side of the lifting mechanism;
the lifting mechanism comprises: the device comprises a first supporting rod (1), a second supporting rod (11) and a rotary drum (10), wherein the ground is arranged below the rotary drum (10), the bottom ends of the first supporting rod (1) and the second supporting rod (11) are fixed to the ground, the top end of the first supporting rod (1) is rotatably connected with one end of the rotary drum (10), one end of the second supporting rod (11) is rotatably connected with the other end of the rotary drum (10), a gear (15) and a crank (2) are further fixed to one end, close to the first supporting rod (1), of the rotary drum (10), a third supporting rod is fixed to the top end of the first supporting rod (1), a retainer shell (13) is fixed to one end of the third supporting rod, a spring is arranged on the inner wall of the retainer shell (13), a clamping block (14) is fixed to the bottom end of the spring, a pull rod (12) is fixed to the top end of the clamping block (14), the spring is sleeved on the pull rod (12), and the top end of the pull rod (, the fixture block (14) is meshed with the gear;
The crane span structure includes: the bottom box comprises a bottom box (9), a top cover (6) and an iron chain (7), wherein a plurality of heat dissipation holes are formed in the bottom end of the bottom box (9), iron rings (8) are welded on two sides of the bottom end of the bottom box (9), the iron rings (8) are connected with the iron chain (7), the other end of one iron chain (7) is connected with a buckle (19), the buckle (19) is of a cavity structure, the buckle (19) is located at the top end of the top cover (6), the top cover (6) is located at the top end of the bottom box (9), the iron chain (7) locks the bottom box (9) and the top cover (6) through the buckle (19), a pull ring (16) is welded on the outer wall of the top end of the buckle (19), an elastic snap ring (20) is connected to the inner wall of the top end of the buckle (19), one end of the snap ring (20) is fixedly connected with a latch (18), a latch (18) is arranged in the buckle (19), one end of the latch, the other iron chain (7) penetrates through the inside of the buckle (19) and extends out of the buckle (19), and the other iron chain (7) is clamped with the clamping teeth (18);
The support frame includes: first pulley (4), second pulley (21), stay cord (5) and dead lever (3), second pulley (21) are located the top of pull ring (16), first pulley (4) are located the top of dead lever (3), the one end and the pull ring (16) of stay cord (5) are connected, the other end and rotary drum (10) the winding of stay cord (5) are connected, the bottom and the ground of dead lever (3) are fixed, and stay cord (5) are around on first pulley (4) and second pulley (21).
2. the large-span cable tray as claimed in claim 1, wherein the bottom ends of the locking blocks (14) are inclined planes, and the bottom ends of the locking blocks (14) extend to the tooth spaces of the gear (15).
3. The large-span bridge frame for the cable according to claim 1, wherein one end of the connection bolt is rotatably connected with one side inner wall of the buckle (19), the connection bolt is fixedly connected with the latch (18), the other end of the connection bolt is fixedly connected with the movable bolt (17), and the latch (18) and the latch (20) are both located inside the buckle (19).
4. The large-span bridge frame for cables as claimed in claim 1, wherein said fixing rods (3) are of an inverted L-shaped structure, the fixing rods (3) are divided into horizontal rods and vertical rods, the second pulley (21) is located at one end of the horizontal rods, and the first pulley (4) is located at the junction of the horizontal rods and the vertical rods.
5. The large-span bridge frame for cables as claimed in claim 1, wherein a plurality of heat dissipation holes are formed on two sides of the bottom box (9).
6. A large-span bridge for cables, according to claim 1, characterized in that the bottom end of said latch (18) is engaged in the link of said other iron chain (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784077.6A CN107579486B (en) | 2017-09-04 | 2017-09-04 | Large-span bridge for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784077.6A CN107579486B (en) | 2017-09-04 | 2017-09-04 | Large-span bridge for cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107579486A CN107579486A (en) | 2018-01-12 |
| CN107579486B true CN107579486B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710784077.6A Active CN107579486B (en) | 2017-09-04 | 2017-09-04 | Large-span bridge for cable |
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| Country | Link |
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| CN (1) | CN107579486B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340365B (en) * | 2018-01-24 | 2021-02-02 | 惠安凯云石业有限公司 | Manipulator with height stably adjusted |
| CN108249336B (en) * | 2018-01-25 | 2019-02-12 | 重庆信海科技有限公司 | A kind of stable high-altitude hanging object device |
| CN108483291B (en) * | 2018-05-31 | 2023-09-26 | 丰润建筑安装股份有限公司 | Lifting device and lifting method for small goods on construction site |
| CN110359757A (en) * | 2019-08-19 | 2019-10-22 | 江苏宏航机械有限公司 | A kind of mechanical upender of cement electric power bar |
| CN112978633A (en) * | 2019-12-12 | 2021-06-18 | 台山市东扩钢构有限公司 | Self-service lifting device for entering and exiting high-rise water tank |
| CN112234513A (en) * | 2020-10-22 | 2021-01-15 | 谢晓佳 | Simple cable tensioner |
| CN112531567A (en) * | 2020-12-15 | 2021-03-19 | 郭阿海 | Stringing device for high-altitude high-voltage transmission line |
| CN117605895A (en) * | 2024-01-24 | 2024-02-27 | 山东职业学院 | Pipeline connection protection device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5992711A (en) * | 1982-11-17 | 1984-05-29 | 攝陽工業株式会社 | Plug socket box elevator |
| CN101793000B (en) * | 2010-01-28 | 2013-01-23 | 中国海洋石油总公司 | Hydraulic multifunctional delivery trestle of multifunctional self-elevating supporting platform for ocean oil field |
| CN201944417U (en) * | 2010-12-02 | 2011-08-24 | 中国神华能源股份有限公司 | Pulley-type cable bridge |
| CN201946912U (en) * | 2010-12-23 | 2011-08-24 | 保定供电公司 | Universal clamp apparatus for cross arm of electric transmission line tangent tower |
| CN203932886U (en) * | 2014-06-30 | 2014-11-05 | 温州海蓝工业设计有限公司 | A kind of adjustable cable crane span structure |
| CN104901230A (en) * | 2015-07-02 | 2015-09-09 | 国家电网公司 | Live wire insulated lifter |
| CN105387276A (en) * | 2015-12-15 | 2016-03-09 | 重庆吉能变压器有限公司 | Cable bridge hoisting frame |
| CN206225928U (en) * | 2016-08-18 | 2017-06-06 | 孙向进 | A kind of novel power cable crane span structure |
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2017
- 2017-09-04 CN CN201710784077.6A patent/CN107579486B/en active Active
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| CN107579486A (en) | 2018-01-12 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A large-span cable tray for cables Granted publication date: 20191210 Pledgee: China Construction Bank Corporation Tangshan Branch Pledgor: ANHUI ZHIRUI ELECTRIC Co.,Ltd. Registration number: Y2024980010327 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |