CN108360378B - Saddle-entering device and saddle-entering method for suspension bridge strand deep partition plate - Google Patents
Saddle-entering device and saddle-entering method for suspension bridge strand deep partition plate Download PDFInfo
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- CN108360378B CN108360378B CN201810128012.0A CN201810128012A CN108360378B CN 108360378 B CN108360378 B CN 108360378B CN 201810128012 A CN201810128012 A CN 201810128012A CN 108360378 B CN108360378 B CN 108360378B
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- groove
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- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009960 carding Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a suspension bridge cable deep partition board saddle-entering device and a saddle-entering method, wherein the saddle-entering device mainly comprises a pushing mechanism arranged on the top edge of a saddle groove and a movable support arranged at the deep part of the saddle groove, wherein the pushing mechanism is mainly used for gradually pushing a cable into the bottom of the saddle groove from one end of the cable, the cable is supported on the movable support before being pushed into the deep part of the saddle groove by the pushing mechanism, the movable support can slide along the bottom of the saddle groove, and the movable support moves forwards while the pushing mechanism pushes the cable. The cable strand can be ensured to smoothly reach the bottom of the saddle groove, damage to the cable strand is reduced, saddle entering operation of the cable strand in the saddle groove with the deep partition plate is particularly met, operation is simplified, and saddle entering work efficiency is improved.
Description
Technical Field
The invention relates to a device capable of enabling strands to smoothly enter a saddle, which is particularly suitable for deep-strand partition boards to enter the saddle.
Background
The multi-tower continuous span suspension bridge is a suspension bridge with large spanning capacity and novel structure. For a multi-tower continuous-span suspension bridge, wherein a main cable saddle of a middle tower is a cable saddle with a special anti-skid structure design, in order to increase the friction between a main cable and a saddle groove, all spacers are replaced by integral vertical friction plates (deep spacers), so that the side surfaces of all cable strands are contacted with the friction plates, and the side friction force is provided, thereby improving the anti-skid performance of the cable saddle. The vertical friction plate is of an integral structure along the height direction, is divided into two symmetrical blocks along the forward bridge direction, and the bottom is welded with the cable saddle groove, so that the vertical friction plate is an important stress member in the main cable anti-skid process, and the stress characteristic is forward bridge direction shearing resistance. The main cable saddle body adopts a cast-weld combined structure; the saddle head is cast by cast steel, a vertical baffle plate steel plate is welded with the bottom of the saddle head, the saddle is formed by welding steel plates, and a stainless steel plate-polytetrafluoroethylene plate sliding pair is arranged below the saddle body so as to adapt to the relative movement in construction.
The cable saddle groove structure with the deep partition plate increases the friction resistance on two sides of the main cable, so that the saddle entering operation difficulty of the main cable is increased, the conventional saddle entering operation cannot meet the requirement of the main cable saddle entering of the cable saddle groove with the deep partition plate, and the development of the device and the method for entering the cable saddle groove with the deep partition plate is a technical problem which are urgently needed to be solved by a person skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem that the deep partition saddle entering device and the saddle entering method for the suspension bridge strands solve the technical problem that the saddle entering operation of the deep partition saddle groove is difficult.
The invention solves the problems by adopting the following technical scheme: the utility model provides a suspension bridge cable strand deep baffle goes into saddle device, mainly includes the pushing mechanism of installing on saddle groove top edge and sets up the removal support in saddle groove deep, pushing mechanism mainly is used for gradually from the one end of cable strand with the cable strand deep push into saddle groove bottom completely, the cable strand is supported before being pushed into saddle groove deep by pushing mechanism on the removal support, the removal support can slide along saddle groove bottom, and the removal support is moved forward when pushing mechanism pushes away the cable strand.
And the pushing mechanism can move along the top edge of the saddle groove, and the moving direction of the pushing mechanism is consistent with the moving direction of the moving support, so that the pushing mechanism and the moving support are ensured to keep consistent as much as possible.
Preferably, the pushing mechanism comprises a pushing support and a pushing rod arranged on the pushing support, the pushing rod can perform telescopic motion to push the cable strand into the deep part of the saddle groove, the pushing rod is selected from pneumatic/electric rods, the pushing force is 200Kg, the pushing speed is finally determined according to the actual experimental pushing efficiency, and the pushing speed is 10mm/s.
The pushing support comprises a pair of fixing seats respectively arranged at two sides of the saddle groove width, a sliding frame is erected between the two fixing seats, a sliding plate is arranged on the sliding frame, the push rod is fixed on the sliding plate, and further, the sliding plate can slide along the sliding frame to adjust the position of the push rod on the saddle groove, so that the push rod is ensured to be positioned in the middle of the saddle groove width. In addition, the structure of the pushing support can also meet the requirement that the push rod can change positions among a plurality of parallel saddle grooves, and simultaneously, the pushing operation of the cable strands in the saddle grooves can be carried out.
The better setting is, the fixing base selects the magnetic path, like permanent magnet or electromagnetism piece, constitutes magnetism absorption with the saddle groove, and convenient top pushes away the removal of support realizes convenient, the quick of installation.
Preferably, the pushing head is arranged at the tail end of the push rod, the pushing head is square, the pushing head is in surface contact with the cable strand, the material of the pushing head is made of nylon, and the surface of the main cable strand can be prevented from being damaged during pushing.
Specifically, the movable support comprises a support plate and pulleys arranged at the bottom of the support plate, wherein the upper edge of the support plate is in an inclined arc shape which is gradually lifted along the moving direction, and the movable support is formed for the strands. The movable supporting material is nylon, so that the surface of the strand can be prevented from being damaged when the saddle is put in. The strand can move the support while being put into the saddle when put into the saddle. And the front end of the movable support is provided with traction to prevent the movable support from being blocked.
The suspension bridge strand deep partition saddle-entering method based on the saddle-entering device comprises the following steps of
(1) Firstly carding the cable saddle section strand: the strands at the two ends are fixed by adopting a quadrilateral forming clamp, and the outer steel wires are separated;
(2) Compacting the cable strand of the first saddle section by adopting square timber and locking by adopting wedge timber;
(3) Placing the movable support into the saddle groove of the rope saddle, adjusting the movable support to enable the movable support to move smoothly along the saddle groove, and slowly placing the lifted rope into the saddle groove and contacting with the movable support;
(4) Starting the pushing mechanism to slowly press the cable strand, and pulling the movable support while pushing down the cable strand; the cable strand is pushed to the bottom of the saddle groove by the pushing mechanism, the cable strand is reliably locked by adopting hard square timber and a timber brake, and then the pushing mechanism is reset;
(5) Step 4, gradually moving the pushing mechanism along the saddle groove direction of the cable saddle to finish the process of putting all sections of cable strands into the saddle, and wedging the cable strands one by adopting square timber;
(6) When the cable strand is put into the saddle to the other end, the movable supporting device is taken out, and the cable strand is gradually dropped to the bottom end of the saddle groove;
(7) And (5) wedging the last square wood, and then finishing saddle feeding of all strands.
When the cable saddle grooves are in parallel, the pushing mechanism can be replaced among different cable saddle grooves.
Compared with the prior art, the invention has the advantages that: according to the saddle entering device and saddle entering method for the deep partition plate of the suspension bridge strand, the strand can be ensured to smoothly reach the bottom of the saddle groove, damage to the strand is reduced, saddle entering operation of the strand in the saddle groove of the deep partition plate is particularly met, operation is simplified, and saddle entering working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a push head according to an embodiment of the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a top view of a pusher carriage according to an embodiment of the present invention;
FIG. 4 is a perspective view of a pusher carriage according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the installation of a pushing mechanism (without a push rod) according to an embodiment of the present invention;
FIG. 6 is a front view of a mobile support in accordance with an embodiment of the present invention;
FIG. 7 is a left side view of the structure shown in FIG. 6;
FIG. 8 is a top view of the structure shown in FIG. 6;
FIG. 9 is a schematic view of a strand saddle in an embodiment of the invention;
fig. 10 is a side view of the structure shown in fig. 9.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1
As shown in fig. 1-10, the present embodiment relates to a cable strand deep partition saddle-entering device of a suspension bridge, which mainly comprises a pushing mechanism arranged on the top edge of a saddle groove and a movable support arranged at the deep part of the saddle groove 7, wherein the movable support mainly aims at supporting the cable strand when the cable strand enters the saddle so that the cable strand can slowly fall into the saddle groove. When the cable strand enters the saddle, the cable strand is gradually pushed into the saddle groove from one end of the saddle groove through the pushing mechanism and reaches the bottom. The pushing mechanism can move on the saddle groove at will so as to meet the pushing of the strands at different positions. Meanwhile, the movable support in the saddle groove forms a support for the cable strand, and the movable support is pulled while the pushing mechanism pushes the cable strand.
As can be seen from fig. 9, the pushing mechanism needs to move along the top edge of the saddle groove, and the moving direction of the pushing mechanism is identical to the moving direction of the moving support.
The pushing mechanism comprises a pushing support and a push rod 8 arranged on the pushing support, wherein the push rod 8 is a pneumatic or electric push rod capable of performing telescopic action, and the push rod 8 points to the circle center of the circular arc where the saddle groove is located. The pushing head 1 is arranged at the tail end of the push rod 8, the pushing head 1 is a square block made of nylon, and the pushing head 1 is in surface contact with the cable strand, so that the damage to the cable strand in the pushing process is reduced. The pushing support mainly provides a counter-force support for the push rod, and comprises a pair of fixing seats 2 which are respectively arranged on two sides of the groove width of the saddle groove, a sliding frame 3 is erected between the two fixing seats 2, a sliding plate 4 is arranged on the sliding frame 3, a push rod 8 is fixed on the sliding plate 4, the sliding plate 4 can slide transversely along the sliding frame 3, as shown in fig. 10, the cable saddle of the embodiment comprises three parallel saddle grooves, the push rod can be changed in the position between the three saddle grooves, and the push rod 8 can be transferred to the second saddle groove from the first saddle groove through the movement of the sliding plate 4.
In addition, in order to facilitate the movement of the pushing mechanism on the cable saddle, the fixed seat 2 can select a permanent magnet or an electromagnetic block to form magnetic adsorption with the saddle groove, thereby facilitating the operation.
The concrete structure of the movable support comprises a support plate 5 and a pulley 6 arranged at the bottom of the support plate 5, wherein pull rings are arranged at the front end and the rear end of the support plate and used for connecting a traction rope. The upper edge of the support plate 5 is an inclined arc (smooth slope) gradually raised along the moving direction, and forms a moving support for the strands.
Example 2
The embodiment provides a strand saddle-entering method based on the saddle-entering device of the embodiment 1, which comprises the following steps of
(1) Firstly carding the cable saddle section strand: the strands at the two ends are fixed by adopting a quadrilateral forming clamp, and the outer steel wires are separated;
(2) Compacting the cable strand of the first saddle section by adopting square timber and locking by adopting wedge timber;
(3) Placing the movable support into the saddle groove of the rope saddle, adjusting the movable support to enable the movable support to move smoothly along the saddle groove, and slowly placing the lifted rope into the saddle groove and contacting with the movable support;
(4) Starting the pushing mechanism to slowly press the cable strand, and pulling the movable support while pushing down the cable strand; the cable strand is pushed to the bottom of the saddle groove by the pushing mechanism, the cable strand is reliably locked by adopting hard square timber and a timber brake, and then the pushing mechanism is reset;
(5) Step 4, gradually moving the pushing mechanism along the saddle groove direction of the cable saddle to finish the process of putting all sections of cable strands into the saddle, and wedging the cable strands one by adopting square timber;
(6) When the cable strand is put into the saddle to the other end, the movable supporting device is taken out, and the cable strand is gradually dropped to the bottom end of the saddle groove;
(7) And (5) wedging the last square wood, and then finishing saddle feeding of all strands.
For saddle-in operations with multiple parallel saddle grooves, a preferred operation is to lay strands in each saddle in turn. For a workshop with allowed conditions, two fixing seats of the pushing support are required to be respectively erected at the outermost sides of the saddle grooves, so that a push rod for pushing a cable strand can translate among different saddle grooves, and the push rod can be continuously used without disassembling the pushing support after the previous saddle groove is paved.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a suspension bridge strand deep baffle goes into saddle device which characterized in that: the cable pushing device mainly comprises a pushing mechanism arranged on the top edge of the saddle groove and a movable support arranged at the deep part of the saddle groove (7), wherein the pushing mechanism is mainly used for gradually pushing the cable strand into the bottom of the saddle groove completely from one end of the cable strand, the cable strand is supported on the movable support before being pushed into the deep part of the saddle groove by the pushing mechanism, the movable support can slide along the bottom of the saddle groove, and the movable support moves forwards while the cable strand is pushed by the pushing mechanism.
2. The suspension bridge strand deep spacer saddle assembly of claim 1, wherein: the pushing mechanism can move along the top edge of the saddle groove, and the moving direction of the pushing mechanism is consistent with the moving direction of the moving support.
3. The suspension bridge strand deep spacer saddle assembly of claim 1, wherein: the pushing mechanism comprises a pushing support and a pushing rod (8) arranged on the pushing support, the pushing rod (8) can perform telescopic action to push a rope strand into the deep part of the saddle groove, the pushing support comprises a pair of fixing seats (2) respectively arranged on two sides of the saddle groove width, a sliding frame (3) is erected between the two fixing seats (2), a sliding plate (4) is arranged on the sliding frame (3), the pushing rod (8) is fixed on the sliding plate (4), and the sliding plate (4) can slide along the sliding frame (3) to adjust the position of the pushing rod so as to ensure that the pushing rod is positioned in the middle of the saddle groove width.
4. A suspension bridge strand deep spacer saddle assembly according to claim 3 wherein: the fixing seat (2) is a magnetic block and forms magnetic adsorption with the saddle groove.
5. A suspension bridge strand deep spacer saddle assembly according to claim 3 wherein: the pushing head (1) is arranged at the tail end of the pushing rod (8), and the pushing head (1) is square and is in surface contact with the cable strand.
6. The suspension bridge strand deep spacer saddle assembly of claim 1, wherein: the movable support comprises a support plate (5) and a pulley (6) arranged at the bottom of the support plate, wherein the upper edge of the support plate (5) is in an inclined arc shape gradually lifted along the moving direction, and the movable support is formed for the strands.
7. The suspension bridge strand deep spacer saddle assembly of claim 6, wherein: the front end of the movable support is provided with a traction structure.
8. A method for saddle entering of a suspension bridge strand deep partition plate based on the saddle entering device of claim 1, which is characterized in that: comprises the following steps of
(1) Firstly carding the cable saddle section strand: the strands at the two ends are fixed by adopting a quadrilateral forming clamp, and the outer steel wires are separated;
(2) Compacting the cable strand of the first saddle section by adopting square timber and locking by adopting wedge timber;
(3) Placing the movable support into the saddle groove of the rope saddle, adjusting the movable support to enable the movable support to move smoothly along the saddle groove, and slowly placing the lifted rope into the saddle groove and contacting with the movable support;
(4) Starting the pushing mechanism to slowly press the cable strand, and pulling the movable support while pushing down the cable strand; the cable strand is pushed to the bottom of the saddle groove by the pushing mechanism, the cable strand is reliably locked by adopting hard square timber and a timber brake, and then the pushing mechanism is reset;
(5) Step 4, gradually moving the pushing mechanism along the saddle groove direction of the cable saddle to finish the process of putting all sections of cable strands into the saddle, and wedging the cable strands one by adopting square timber;
(6) When the cable strand is put into the saddle to the other end, the movable supporting device is taken out, and the cable strand is gradually dropped to the bottom end of the saddle groove;
(7) And (5) wedging the last square wood, and then finishing saddle feeding of all strands.
9. The suspension bridge strand deep spacer saddle method according to claim 8, wherein: when the cable saddle grooves are in parallel, the pushing mechanism can be replaced among different cable saddle grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128012.0A CN108360378B (en) | 2018-02-08 | 2018-02-08 | Saddle-entering device and saddle-entering method for suspension bridge strand deep partition plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128012.0A CN108360378B (en) | 2018-02-08 | 2018-02-08 | Saddle-entering device and saddle-entering method for suspension bridge strand deep partition plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360378A CN108360378A (en) | 2018-08-03 |
| CN108360378B true CN108360378B (en) | 2024-03-19 |
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| CN201810128012.0A Active CN108360378B (en) | 2018-02-08 | 2018-02-08 | Saddle-entering device and saddle-entering method for suspension bridge strand deep partition plate |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424263B (en) * | 2019-08-12 | 2021-08-31 | 河源迪奇亚工业技术有限公司 | Progress adjusting mechanism for direct cable braiding and erection of main cable of suspension bridge and using method of progress adjusting mechanism |
| CN110593097B (en) * | 2019-09-04 | 2021-06-15 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
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|---|---|---|---|---|
| GB567480A (en) * | 1943-02-02 | 1945-02-15 | Horace Holman | Improved device or means for supporting the ropes or cables of aerial ropeways or the like |
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| CN203654186U (en) * | 2013-12-04 | 2014-06-18 | 中铁建钢结构有限公司 | Positioning and assembling device of longitudinal ribs of beam-type steel bridge deck slab |
| CN204455822U (en) * | 2015-01-07 | 2015-07-08 | 德阳天元重工股份有限公司 | Suspension bridge combined type cable saddle and the suspension bridge using this combined type cable saddle to build |
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| CN105544391A (en) * | 2015-12-11 | 2016-05-04 | 浙江省交通规划设计研究院 | Assembled cable saddle structure for suspension bridge |
| CN106284082A (en) * | 2016-08-15 | 2017-01-04 | 云南云岭桥隧科技有限公司 | Main rope of suspension bridge strand preforming and erection construction method |
| CN208235330U (en) * | 2018-02-08 | 2018-12-14 | 江苏法尔胜缆索有限公司 | A kind of suspension bridge strand depth partition enters saddle device |
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2018
- 2018-02-08 CN CN201810128012.0A patent/CN108360378B/en active Active
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|---|---|---|---|---|
| GB567480A (en) * | 1943-02-02 | 1945-02-15 | Horace Holman | Improved device or means for supporting the ropes or cables of aerial ropeways or the like |
| JPH0860618A (en) * | 1994-08-25 | 1996-03-05 | Hokkaido Kaihatsukyoku Muroran Kaihatsu Kensetsubuchiyou | Installation method of saddle for suspension bridge and saddle for suspension bridge |
| CN101418542A (en) * | 2008-11-21 | 2009-04-29 | 上海市政工程设计研究总院 | Cable system construction method of spatial self-anchored rope-suspension bridge |
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| CN108360378A (en) | 2018-08-03 |
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