CN111827077A - Swing type cable saddle assembly - Google Patents
Swing type cable saddle assembly Download PDFInfo
- Publication number
- CN111827077A CN111827077A CN202010510116.5A CN202010510116A CN111827077A CN 111827077 A CN111827077 A CN 111827077A CN 202010510116 A CN202010510116 A CN 202010510116A CN 111827077 A CN111827077 A CN 111827077A
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- China
- Prior art keywords
- bearing plate
- base
- limit key
- bottom block
- upper bearing
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- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 22
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
-
- 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The invention discloses a swing type cable saddle assembly, which at least comprises: the saddle body is movably connected with the base, and a bottom block is arranged at the bottom of the saddle body; an upper bearing plate, a lower bearing plate and a limit key are arranged between the bottom block and the base, the upper bearing plate is clamped at the bottom of the bottom block, the lower bearing plate is clamped at the top of the base, the upper bearing plate is connected with the lower bearing plate, the bottom surface of the upper bearing plate is of a planar structure, and the top surface of the lower bearing plate is of an arc-surface structure; the limiting keys are respectively clamped with the bottom block and the base and are positioned at the end parts of the bottom block and the base. Through the structural design of this scattered cable saddle, saved a plurality of cylinder pin structures among the traditional structure, promptly, saved the installation time of cylindric lock, improved installation effectiveness. The limiting assembly is visible from the hidden installation, so that the daily maintenance is facilitated.
Description
Technical Field
The invention belongs to the technical field of suspension bridges, and particularly relates to a swing type cable saddle assembly.
Background
The cable saddle is arranged on a cable saddle pier between the side span and the anchor span of the suspension bridge, and plays a role in supporting and steering the main cable. After the suspension bridge is bridged, the linear change of the main cable can be caused by the change of the main cable force generated by temperature and live load, the mid-span side can be solved by the deformation coordination of structures such as a cable tower, the main cable, a sling and the like, and the side-span side can only be solved by a movable friction pair of a scattered cable saddle. Therefore, the movable friction pair arranged below the cable saddle is a permanent structure.
The cable saddle with the existing structure adopts a swing shaft type structure, a roller type or sliding type and other moving friction pair structures.
The swing shaft type cable saddle structure is shown in figures 1 to 3 and mainly comprises a cable saddle body, a base, a bottom plate, an upper bearing plate, a lower bearing plate, a pin and the like. The bottom block at the lowest part of the saddle body is provided with a slot for placing the upper bearing plate, the slot is contacted with the arc top surface of the lower bearing plate to form a pendulum shaft, and pins are uniformly distributed on the contact surfaces of the upper bearing plate and the lower bearing plate in the full length.
The swing structure of the existing swing shaft type cable saddle is complex to assemble, the structure of a cable saddle body is inverted cone-shaped, the gravity center of the cable saddle body is positioned at the saddle head at the upper part, the upper part is heavy, the lower part is light, the cable saddle body needs to be hoisted during installation, and the balance is difficult to control. The upper bearing plate is assembled in the bottom surface groove of saddle body bottom piece, and during the installation, the upper bearing plate need pass through the pin location with lower carrier plate earlier and be connected, then with the saddle body assembly, because the upper bearing plate is through clearance fit complete embedded inside the bottom piece, the base does not have the alignment mark again during the installation, under the condition of seeing upper bearing plate, belongs to the blind dress almost.
From the atress condition, swing contact position stress concentration, it is high to the material requirement, but current structure nevertheless offers a row of pinhole on the full length of contact surface, and that is, the area of contact of swing contact position is just very little, has more weakened the intensity of structure after the trompil.
In addition, in order to ensure that the upper bearing plate can roll on the cambered surface at the top of the lower bearing plate, a certain clearance space or clearance angle is required to be arranged between each pin and the upper bearing plate. That is, during the assembly of the pins, the assembly of the pins must be maintained in alignment, and no slight lateral deviation between the pins can occur. Otherwise, the position deviation of each pin can cause that the clearance space between the upper bearing plate and the pin is blocked, so that the rolling purpose cannot be realized. That is, the assembly accuracy of the pin of the prior device during the process of transferring is extremely high.
Considering that the movable friction pair arranged below the cable saddle is a permanent structure, a new swing structure needs to be designed, so that the installation is convenient and the problem that the strength of the contact surface of the swing shaft is weakened is solved.
Disclosure of Invention
The invention aims to: in order to overcome the problems in the prior art, the swing type cable saddle assembly is provided, and through the structural design of the cable saddle, a plurality of cylindrical pin structures in the traditional structure are omitted, namely, the installation time of the cylindrical pins is saved, and the installation efficiency is improved. The limiting assembly is visible from the hidden installation, so that the daily maintenance is facilitated.
The purpose of the invention is realized by the following technical scheme:
an oscillating slack cable saddle assembly, comprising at least: the saddle body is movably connected with the base, and a bottom block is arranged at the bottom of the saddle body; an upper bearing plate, a lower bearing plate and a limit key are arranged between the bottom block and the base, the upper bearing plate is clamped at the bottom of the bottom block, the lower bearing plate is clamped at the top of the base, the upper bearing plate is connected with the lower bearing plate, the bottom surface of the upper bearing plate is of a planar structure, and the top surface of the lower bearing plate is of an arc-surface structure; the limiting keys are respectively clamped with the bottom block and the base and are positioned at the end parts of the bottom block and the base.
According to a preferred embodiment, a clearance space is provided between the limit key and the bottom block.
According to a preferred embodiment, an included angle θ is formed between the side wall of the limit key and the side wall of the second limit key groove in the bottom block for accommodating the limit key.
According to a preferred embodiment, the top section of the limit key is of an isosceles trapezoid structure, and the bottom section of the limit key is of a rectangular structure.
According to a preferred embodiment, the limit key is in a tooth profile structure of an involute gear.
According to a preferred embodiment, two end parts of the base are respectively provided with a first limit key groove, and the bottoms of the limit keys are assembled in the first limit key grooves; the first limit key grooves are symmetrically arranged from the outermost edges of the two ends of the base or are symmetrically arranged from the outer edges of the two ends of the base, and the groove depth is 0.5-1 time of the total height of the limit key.
According to a preferred embodiment, the limit key is welded into the first limit key groove.
According to a preferred embodiment, the bottom of the bottom block is further provided with an upper bearing plate installation groove used for containing an upper bearing plate, and the upper bearing plate is clamped in the upper bearing plate installation groove.
According to a preferred embodiment, be equipped with the lower carrier plate mounting groove that is used for holding down the carrier plate on the base, the lower carrier plate joint is in lower carrier plate mounting groove.
According to a preferred embodiment, a sealing strip is further arranged between the bottom block and the base, is of a flexible structure, is arranged around the lower bearing plate, and is respectively connected with the bottom block and the base.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
The invention has the beneficial effects that: through the structural design of the cable saddle, a plurality of cylindrical pin structures in the traditional structure are omitted, so that a plurality of through hole structures are not required to be arranged on the upper bearing plate and the lower bearing plate, the structural stability of the upper bearing plate and the lower bearing plate is improved, and the service life of the structure is prolonged. Meanwhile, the high-precision installation process of each pin in the traditional structure is omitted, so that the installation time is greatly saved, and the installation efficiency is improved. And, through changing spacing subassembly from hidden installation into visible, also be convenient for daily maintenance and maintenance.
Drawings
FIG. 1 is a schematic structural view of a prior art swing shaft slack saddle;
FIG. 2 is an exploded view of a prior art pendulum shaft slack cable saddle;
FIG. 3 is a cross-sectional structural schematic view of a prior art swing shaft slack cable saddle;
FIG. 4 is a schematic perspective view of the slack cable saddle of the present invention;
FIG. 5 is an exploded schematic view of the slack cable saddle of the present invention;
FIG. 6 is a schematic view of the connection structure of the upper bearing plate and the lower bearing plate of the cable saddle of the present invention;
FIG. 7 is a schematic view of the base structure of the slack cable saddle of the present invention;
FIG. 8 is a schematic view of the connection structure of the position-limiting element in the cable saddle according to the present invention;
FIG. 9 is a schematic structural diagram of a limit key of the saddle for a cable breaker according to the present invention;
FIG. 10 is a schematic view of a bottom block of the slack cable saddle of the present invention;
101-saddle body, 102-base, 102 a-first limit key groove, 102 b-lower bearing plate installation groove, 103-bottom plate, 104-bottom block, 104 a-second limit key groove, 104 b-upper bearing plate installation groove, 105-upper bearing plate, 106-lower bearing plate, 107-limit key and 108-sealing strip.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the present invention, if the specific structures, connection relationships, positional relationships, and the like are not written in particular, the structures, connection relationships, positional relationships, and the like according to the present invention can be known by those skilled in the art without creative work on the basis of the prior art.
Example 1:
referring to fig. 4 to 10, there is shown a swing type cable saddle assembly. The cable saddle assembly includes at least: saddle 101, base 102, and bottom plate 103. The saddle 101 is movably connected with the base 102 through the saddle 101. The base 102 is connected with the bottom plate 103, and the fixing of the cable saddle is realized through the bottom plate 103.
Preferably, the saddle 101 is provided with a bottom block 104 at the bottom. An upper bearing plate 105, a lower bearing plate 106 and a limit key 107 are arranged between the bottom block 104 and the base 102. The upper bearing plate 105, the lower bearing plate 106 and the limit key 107 form a swinging structure, so that the swinging function of the cable saddle is realized.
Preferably, the bottom of the bottom block 104 is provided with an upper bearing plate 105 mounting groove 104b for receiving the upper bearing plate 105. The upper bearing plate 105 is clamped in the upper bearing plate mounting groove 104 b. The length of the upper bearing plate mounting groove 104b is slightly larger than that of the upper bearing plate, and a transverse adjusting space is reserved when the cable saddle is mounted.
Preferably, the top of the base 102 is provided with a lower bearing plate 106 mounting groove 102b for receiving the lower bearing plate 106. The lower plate 106 is clamped in the lower plate mounting groove 102 b. The length of the lower bearing plate installation groove 102b is slightly larger than that of the lower bearing plate 106, and a transverse adjustment space is reserved when the cable saddle is installed.
Preferably, the upper bearing plate 105 is connected to the lower bearing plate 106, and the bottom surface of the upper bearing plate 105 is a planar structure, and the top surface of the lower bearing plate 106 is an arc-shaped structure. So that the upper deck 105 can be rolled relative to the lower deck 106. That is, the saddle 101 can swing with respect to the base 102.
Preferably, the limit key 107 is respectively connected with the bottom block 104 and the base 102 in a clamping manner, and is located at the end of the bottom block 104 and the base 102. The limit of the swing of the bottom block 104 is completed by the limit part 107, so that the bottom block 104 can only swing within a certain angle range.
Preferably, a clearance space is arranged between the limit key 107 and the bottom block 104. This clearance space is a deflection space in which the bottom block 104 can swing.
Further, as shown in fig. 8. An included angle theta is formed between the side wall of the limit key 107 and the side wall of the second limit key groove 104a used for containing the limit key 107 on the bottom block 104. The included angle θ corresponds to a spatial range, i.e., a gap space. And the length of the limit key 107 is shorter than that of the second limit key slot 104a, so that a transverse adjusting space is reserved when the cable saddle is installed.
Furthermore, the top section of the limit key 107 is an isosceles trapezoid structure. That is, the top cross-sectional structure of the limit key 107 is configured, so that an included angle exists between the side wall of the limit key 107 and the side wall of the second limit key groove 104 a. Thereby enabling the bottom block to perform a swinging motion.
Alternatively, as shown in fig. 9 and 10, the limit key 107 may have a tooth profile structure of an involute gear. The pitch circle diameter of the tooth profile of the tooth involute gear is identical and concentric with the diameter of the lower bearing plate 106. Corresponding to the limit key 107 with the tooth-shaped structure, the second limit key groove 104a of the bottom block is changed from a rectangular groove to a tooth-shaped groove, the pitch line of the tooth-shaped groove is tangent to the pitch circle of the limit key 107 to form a gear-rack meshing relation, and the tooth-shaped matching improves the reliability and the efficiency of installation compared with the existing structure. Preferably, the bottom section of the limit key 107 is a rectangular structure.
Preferably, the two ends of the base 102 are respectively provided with a first limit key slot 102 a. The bottom of the limit key 107 is fitted in the groove 102a of the first limit key 107. The first limit key slot 102a is symmetrically arranged from the outermost edges of the two ends of the base 102 or symmetrically arranged from the outer edges of the two ends of the base 102, and the depth of the slot is 0.5-1 times of the total height of the limit key 107.
Further, the position-limiting key 107 may be welded in the groove 102a of the first position-limiting key 107.
Preferably, a sealing strip 108 is further disposed between the bottom block 104 and the base 102. The sealing strip 108 is a flexible structure, is disposed around the lower deck 106, and is connected to the bottom block 104 and the base 102, respectively. For example, the sealing strip 108 may be constructed of plastic.
Through the structural design of the invention, a plurality of cylindrical pin structures in the traditional structure are omitted, so that a plurality of through hole structures are not required to be arranged on the upper bearing plate and the lower bearing plate, the structural stability of the upper bearing plate and the lower bearing plate is improved, the structural strength is improved, and the service life is prolonged. Meanwhile, the high-precision installation process of each pin in the traditional structure is omitted, so that the installation time is greatly saved, and the installation efficiency is improved. And, through changing spacing subassembly from hidden installation into visible, also be convenient for daily maintenance and maintenance.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An oscillating cable saddle assembly, comprising at least: the device comprises a saddle body (101) and a base (102), wherein the saddle body (101) is movably connected with the base (102), and a bottom block (104) is arranged at the bottom of the saddle body (101);
an upper bearing plate (105), a lower bearing plate (106) and a limit key (107) are arranged between the bottom block (104) and the base (102),
the upper bearing plate (105) is clamped at the bottom of the bottom block (104), the lower bearing plate (106) is clamped at the top of the base (102), the upper bearing plate (105) is connected with the lower bearing plate (106), the bottom surface of the upper bearing plate (105) is of a plane structure, and the top surface of the lower bearing plate (106) is of an arc surface structure;
the limiting key (107) is respectively connected with the bottom block (104) and the base (102) in a clamping manner and is positioned at the end parts of the bottom block (104) and the base (102).
2. The oscillating saddle assembly of claim 1, wherein a clearance space is provided between the limit key (107) and the bottom block (104).
3. The swing type saddle assembly as claimed in claim 2, wherein an angle θ is formed between the side wall of the limit key (107) and the side wall of the second limit key groove (104a) of the bottom block (104) for receiving the limit key (107).
4. The swing type cable saddle assembly as claimed in claim 3, wherein the top section of the limit key (107) is in an isosceles trapezoid-shaped structure, and the bottom section of the limit key (107) is in a rectangular-shaped structure.
5. The oscillating slack cable saddle assembly of claim 2, wherein the limit key (107) is in the form of an involute gear tooth profile.
6. The swing type saddle assembly as claimed in claim 2, wherein the base (102) has two end portions respectively provided with a first limit key groove (102a), and the bottom of the limit key (107) is fitted into the first limit key groove (102 a);
the first limit key slot (102a) is symmetrically arranged from the outermost edges of the two ends of the base (102) or is symmetrically arranged from the outer edges of the two ends of the base (102), and the depth of the slot is 0.5-1 time of the total height of the limit key (107).
7. The oscillating cable saddle assembly of claim 6, wherein the limit key (107) is welded into the first limit keyway (102 a).
8. The swing type cable saddle assembly as claimed in claim 1, wherein the bottom of the bottom block (104) is further provided with an upper bearing plate mounting groove (104b) for receiving an upper bearing plate (105), and the upper bearing plate (105) is clamped in the upper bearing plate mounting groove (104 b).
9. The swing type cable saddle assembly as claimed in claim 1, wherein the base (102) is provided with a lower deck mounting groove (102b) for accommodating a lower deck (106), and the lower deck (106) is clamped in the lower deck mounting groove (102 b).
10. The oscillating saddle assembly of claim 1, further comprising a seal (108) disposed between the bottom block (104) and the base (102),
the sealing strip (108) is of a flexible structure, is arranged on the periphery of the lower bearing plate (106), and is respectively connected with the bottom block (104) and the base (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510116.5A CN111827077B (en) | 2020-06-08 | 2020-06-08 | Oscillating scattered cable saddle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510116.5A CN111827077B (en) | 2020-06-08 | 2020-06-08 | Oscillating scattered cable saddle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111827077A true CN111827077A (en) | 2020-10-27 |
| CN111827077B CN111827077B (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010510116.5A Active CN111827077B (en) | 2020-06-08 | 2020-06-08 | Oscillating scattered cable saddle assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN111827077B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164760A (en) * | 2021-12-10 | 2022-03-11 | 德阳天元重工股份有限公司 | Roller limiting and supporting structure for suspension bridge cable saddle |
| CN117418460A (en) * | 2023-10-12 | 2024-01-19 | 武汉船用机械有限责任公司 | A kind of suspension bridge loose cable saddle structure |
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| JPH0860618A (en) * | 1994-08-25 | 1996-03-05 | Hokkaido Kaihatsukyoku Muroran Kaihatsu Kensetsubuchiyou | Suspension bridge saddle installation method and suspension bridge saddle device |
| JP2000064225A (en) * | 1998-08-25 | 2000-02-29 | Shinko Kosen Kogyo Kk | How to attach cables to suspended structures |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164760A (en) * | 2021-12-10 | 2022-03-11 | 德阳天元重工股份有限公司 | Roller limiting and supporting structure for suspension bridge cable saddle |
| CN117418460A (en) * | 2023-10-12 | 2024-01-19 | 武汉船用机械有限责任公司 | A kind of suspension bridge loose cable saddle structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111827077B (en) | 2022-11-08 |
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