CN220468648U - Center assembled split spherical hinge - Google Patents
Center assembled split spherical hinge Download PDFInfo
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- CN220468648U CN220468648U CN202321623217.9U CN202321623217U CN220468648U CN 220468648 U CN220468648 U CN 220468648U CN 202321623217 U CN202321623217 U CN 202321623217U CN 220468648 U CN220468648 U CN 220468648U
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- 238000010008 shearing Methods 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 230000011218 segmentation Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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Abstract
The utility model provides a center assembled split spherical hinge which comprises a center spherical hinge body and a plurality of spherical hinge blocks, wherein the spherical hinge blocks are spliced along the circumferential direction of the center spherical hinge body, the center spherical hinge body comprises a circular ring rib plate, the circular ring rib plate is provided with a first groove, the spherical hinge blocks comprise arc rib plates, the arc rib plates are provided with a second groove, the first groove and the second groove are correspondingly arranged, and the first groove and the second groove are internally provided with a first shearing assembly. The utility model adopts a block assembly mode, reduces the dependence of the large spherical hinge on large-size plates and large machine tools, solves the problem that the large spherical hinge cannot be transported due to the fact that the diameter of the large spherical hinge exceeds the limit width of highway transportation and the limit width of partial bridges and culverts, and reduces the transportation cost of the spherical hinge; the center spherical hinge is connected with the spherical hinge blocks through bolts and shear keys, so that the connection strength between the center spherical hinge and the spherical hinge blocks and between the spherical hinge blocks is improved, and the connection reliability is high.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a center assembly type split spherical hinge.
Background
With the increasing development of modern expressways and railway networks, many newly-built engineering projects need to be built on original roads, railways, rivers, deep ditches, channels with heavy transportation and other similar terrains. The difficulty of construction of the terrain is high, and the traffics of the original road and railway networks can be interfered. Because the swivel spherical hinge flat rotation construction method can avoid the original route construction, the swivel spherical hinge bridge flat rotation construction method is used by more and more projects for ensuring the convenience and safety of bridge construction.
In recent years, the tonnage of the swivel bridge is larger and larger, and the diameter of the spherical hinge is also larger along with the increase of the tonnage of the bridge. When the diameter of the spherical hinge exceeds 3 meters, the spherical hinge exceeds the limit width of highway transportation, and the transportation cost is higher. The bridge limit width of certain road sections can limit the transportation of large-scale spherical hinges, and the large-scale spherical hinges can cause a plurality of inconveniences for swivel construction. The existing plate welding type spherical hinge has strong dependence on large-size plates and poor manufacturing process.
The prior art with the publication number of CN 211621227U discloses a large-tonnage split type bridge swivel spherical hinge, which comprises an upper spherical hinge, a lower spherical hinge and a base, wherein the upper spherical hinge is arranged on the lower spherical hinge, the upper spherical hinge is connected with the lower spherical hinge through a rotating shaft, the lower spherical hinge is connected with the base, and the upper spherical hinge is formed by splicing a plurality of upper spherical hinge sub-modules along the circumferential direction; the lower spherical hinge is formed by assembling a plurality of lower spherical hinge sub-modules along the circumferential direction. The prior art has the following problems: (1) The spherical hinge sub-dies are spliced together, and shearing stress is very easy to generate between the spherical hinge sub-dies under the condition of vertical load; (2) A base is required to be additionally arranged below the spherical hinge, so that the overall weight of the spherical hinge is heavier; (3) The base is not assembled in a split way, the size is large, and the problem of difficult transportation is also solved.
Disclosure of Invention
In view of this, the present utility model aims to provide a center-assembled split spherical hinge. The problem that in the prior art, spherical hinge sub-dies are spliced together, and larger shearing stress is easily generated between the splicing surfaces of the spherical hinge sub-dies under the condition of vertical load is solved; the lower part of the lower spherical hinge needs to adopt a base, and the weight of the base is heavier, so that the whole weight of the spherical hinge is large; the lower spherical hinge base is not in a split mode, so that the problem that the transverse dimension is still large during transportation is caused.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a center assembled components of a whole that can function independently ball pivot, includes center ball pivot, a plurality of ball pivot segmentation, a plurality of the ball pivot segmentation is along the circumferencial direction concatenation of center ball pivot, center ball pivot includes the ring gusset, the ring gusset is provided with first recess, the ball pivot segmentation includes the arc gusset, be provided with the second recess on the arc gusset, first recess with the second recess corresponds the setting, first recess with be provided with first shear resistant subassembly in the second recess.
The arrangement adopts a block assembly mode, so that the dependence of the spherical hinge on a large-size plate and a large-size processing machine tool is reduced, the processing and transportation difficulties are reduced, and the transportation cost is reduced; the first shear assembly is arranged between the center spherical hinge and the spherical hinge block, so that the connection strength of the center spherical hinge and the spherical hinge block is improved, the connection reliability is higher, meanwhile, the shear stress generated by the interface between the center spherical hinge and the spherical hinge block under the action of vertical load is reduced, and the shear resistance of the center spherical hinge and the spherical hinge block is improved.
Further, the first shear assembly comprises a first shear key, and the first shear key is fixed in the first groove through a bolt.
The arrangement improves the connection firmness of the first shear key, thereby improving the shearing resistance between the center spherical hinge and the spherical hinge block.
Further, a first internal thread hole is formed in the first groove, a first screw stepped hole is formed in the first shear key, and the first internal thread hole and the first screw stepped hole are correspondingly formed.
This arrangement facilitates mounting the first shear key within the first recess.
Further, second straight rib plates are arranged at two ends of the arc rib plates, third grooves are formed in the second straight rib plates, and second shearing resistant assemblies are arranged in the third grooves.
This setting has improved the joint strength between the ball pivot segmentation, has higher connection reliability, reduces the shear stress when receiving vertical force between the adjacent ball pivot segmentation simultaneously, improves the shear resistance between the ball pivot segmentation.
Further, the second shear assembly comprises a second shear key, and the second shear key is fixed in the third groove through a bolt.
The arrangement improves the connection firmness of the second shear key, thereby improving the shearing resistance between the adjacent spherical hinge blocks.
Further, a second internal thread hole is formed in the third groove and is used for installing a second shear key, a second screw stepped hole is formed in the second shear key, and the second internal thread hole and the second screw stepped hole are correspondingly formed.
This arrangement facilitates mounting the second shear key in the third recess.
Further, the central spherical hinge comprises a first straight rib plate, and the first straight rib plate is connected with the circular ring rib plate.
Further, the circular rib plates and the arc rib plates and the second straight rib plates of any adjacent spherical hinge blocks are connected through the first connecting piece.
This setting improves the connection fastness between central spherical hinge and spherical hinge piecemeal and the adjacent spherical hinge piecemeal.
Further, the first connector comprises one or a combination of a bolt and a pin.
The bolt and the pin are adopted in the setting, so that the spherical hinge body, the spherical hinge blocks and the adjacent spherical hinge blocks are conveniently connected, and the pin can play a role in positioning.
Further, the width of the first groove is consistent with the width of the second groove.
Compared with the prior art, the center assembled split spherical hinge has the following advantages:
1) The utility model adopts a block assembly mode, reduces the dependence of the spherical hinge on large-size plates and large-size processing machine tools, and reduces the processing and transportation difficulties and the transportation cost of the spherical hinge; the center spherical hinge is connected with the spherical hinge blocks through bolts and shear keys, so that the connection strength between the center spherical hinge and the spherical hinge blocks and between the spherical hinge blocks is improved, and the connection reliability is high;
2) According to the utility model, the first groove is formed in the central spherical hinge, the second groove is formed between the spherical hinge blocks, and the first shear key is arranged in the first groove and the second groove, so that the shearing resistance between the central spherical hinge and the spherical hinge blocks is improved, and the connection stability of the split spherical hinge is improved.
Drawings
FIG. 1 is an exploded view of a center ball joint and ball joint segments of the present utility model;
FIG. 2 is a sectional view showing the connection of a center spherical hinge and a spherical hinge block according to the present utility model;
FIG. 3 is a partial cross-sectional view of the first shear key of the present utility model mounted in a first recess;
FIG. 4 is a schematic view of a first shear key according to the present utility model;
FIG. 5 is a partial cross-sectional view of the second shear key of the present utility model installed in a third recess;
FIG. 6 is a schematic view of the second shear key of the present utility model installed in a third recess;
FIG. 7 is an assembled overall view of the present utility model;
fig. 8 is a block diagram of a split spherical hinge according to the present utility model.
Reference numerals illustrate:
the novel steel ball joint comprises a 1-center spherical hinge, 11-circular rib plates, 111-first grooves, 1111-first internal threaded holes, 12-first straight rib plates, 13-pin shaft sleeves, 2-spherical hinge blocks, 21-arc rib plates, 211-second grooves, 22-second straight rib plates, 221-third grooves, 2211-second internal threaded holes, 3-first shear keys, 4-first bolts, 5-second shear keys, 6-second bolts and 7-third bolts.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. In addition, the following description will be briefly made with respect to the azimuth in the following embodiments: reference to directions or positional relationships indicated by "upper", "lower", "left", "right", etc. in the embodiments refers to the directions or positional relationships shown in the drawings.
As shown in fig. 1-8, the utility model relates to a center assembled split spherical hinge, which comprises an upper spherical hinge, a lower spherical hinge and a pin shaft, wherein the pin shaft is used for centering the upper spherical hinge and the lower spherical hinge, the upper spherical hinge and the lower spherical hinge respectively comprise a center spherical hinge 1 and a plurality of spherical hinge segments 2, the spherical hinge segments 2 are spliced along the circumferential direction of the center spherical hinge 1, the center spherical hinge 1 is provided with a pin shaft sleeve 13, the pin shaft is arranged in the pin shaft sleeve 13, the center spherical hinge 1 comprises a circular ring rib plate 11 and a first straight rib plate 12, the circular ring rib plate 11 is connected with the first straight rib plate 12, the circular ring rib plate 11 is provided with a first groove 111, the spherical hinge segments 2 comprise an arc rib plate 21, the arc rib plate 21 close to one end of the center spherical hinge 1 is provided with a second groove 211, the first groove 111 and the second groove 211 are correspondingly arranged, and a first shearing resisting assembly is arranged in the first groove 111 and the second groove 211.
Preferably, the plurality of the spherical hinge segments are provided in 4.
Specifically, the first shear assembly includes a first shear key 3, and the first shear key 3 is fixed in the first groove 111 by a first bolt 4.
Specifically, the first shear key 3 is of an annular structure, and the section of the first shear key 3 is rectangular; the radius of the inner ring of the first shear key 3 is the same as the radius of the circle surrounded by the bottom of the first groove 111.
Specifically, a first internal threaded hole 1111 is disposed in the first groove 111, the first internal threaded hole 1111 is used for mounting the first shear key 3, a first screw stepped hole is disposed on the first shear key 3, and the first internal threaded hole 1111 is disposed corresponding to the first screw stepped hole.
Specifically, the two ends of the arc-shaped rib plate 21 are provided with second straight rib plates 22, the second straight rib plates 22 are provided with third grooves 221, and second shearing resistant assemblies are arranged in the third grooves 221.
Preferably, the second straight rib 22 is provided one more than the arc rib 21. More preferably, 3 second straight rib plates 22 are provided, and 2 arc rib plates 21 are provided.
Preferably, the first straight rib 12 and the second straight rib 22 are provided in the same number.
Specifically, the second shear assembly includes a second shear key 5, and the second shear key 5 is fixed in the third groove 221 by a second bolt 6.
Specifically, the second shear key 5 has a cuboid structure.
Specifically, a second internal threaded hole 2211 is disposed in the third groove 221, the second internal threaded hole is used for installing the second shear key 5, a second screw stepped hole is disposed on the second shear key 5, and the second internal threaded hole 2211 is disposed corresponding to the second screw stepped hole.
Preferably, the second internal thread hole 2211 has the same pitch as the second screw stepped hole.
Specifically, the circular rib plates 11 are connected with the arc rib plates 21 and the second straight rib plates 22 of any adjacent spherical hinge split blocks 2 through first connecting pieces.
In particular, the first connection comprises one or a combination of a bolt and a pin. Preferably, the first connecting piece is a third bolt 7 and pin combination.
Preferably, bolt holes and pin holes are formed in the circular rib plate 11, the arc rib plate 21 and the second straight rib plate 22.
Preferably, the first screw stepped hole and the second screw stepped hole are socket head cap screw stepped holes.
Preferably, the first female screw holes 1111 have the same pitch as the first screw stepped holes.
Specifically, the width of the first groove 111 is consistent with the width of the second groove 211; the depth of the second groove 211 is greater than the exposed height of the first shear key at the center spherical hinge.
When the split spherical hinge is assembled and connected, the bolt, the pin and the shear key are used for connecting the central spherical hinge and the spherical hinge blocks.
Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.
Claims (10)
1. The utility model provides a center assembled components of a whole that can function independently ball pivot, its characterized in that, including center ball pivot (1), a plurality of ball pivot piecemeal (2) splice along the circumferencial direction of center ball pivot (1), center ball pivot (1) include ring gusset (11), ring gusset (11) are provided with first recess (111), ball pivot piecemeal (2) include arc gusset (21), arc gusset (21) are provided with second recess (211), first recess (111) with second recess (211) correspond the setting, first recess (111) with be provided with first shear resistant subassembly in second recess (211).
2. The center-mounted split spherical hinge according to claim 1, wherein the first shear assembly comprises a first shear key (3), and the first shear key (3) is fixed in the first groove (111) through a bolt.
3. The center-assembled split spherical hinge according to claim 2, wherein a first internal threaded hole (1111) is formed in the first groove (111), a first screw stepped hole is formed in the first shear key (3), and the first internal threaded hole (1111) is correspondingly formed with the first screw stepped hole (31).
4. The center-assembled split spherical hinge according to claim 1, wherein second straight rib plates (22) are arranged at two ends of the arc rib plates (21), third grooves (221) are formed in the second straight rib plates (22), and second shearing resistant assemblies are arranged in the third grooves (221).
5. The center-mounted split spherical hinge according to claim 4, wherein the second shear assembly comprises a second shear key (5), and the second shear key (5) is fixed in the third groove (221) by bolts.
6. The center-assembled split spherical hinge according to claim 4, wherein a second internal threaded hole (2211) is formed in the third groove (221), the second internal threaded hole (2211) is used for installing a second shear key (5), a second screw stepped hole is formed in the second shear key (5), and the second internal threaded hole (2211) is correspondingly formed with the second screw stepped hole.
7. The center-assembled split spherical hinge according to claim 4, wherein the center spherical hinge (1) comprises a first straight rib plate (12), and the first straight rib plate (12) is connected with a circular rib plate (11).
8. The center-assembled split spherical hinge according to claim 4, wherein the circular ring rib plates (11) and the arc rib plates (21) and the second straight rib plates (22) of any adjacent spherical hinge split blocks (2) are connected through first connecting pieces.
9. The center-mount split spherical hinge of claim 8, wherein the first connector comprises one or a combination of a bolt and a pin.
10. A center-mounted split spherical hinge according to claim 1, wherein the width of the first groove (111) corresponds to the width of the second groove (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623217.9U CN220468648U (en) | 2023-06-26 | 2023-06-26 | Center assembled split spherical hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623217.9U CN220468648U (en) | 2023-06-26 | 2023-06-26 | Center assembled split spherical hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468648U true CN220468648U (en) | 2024-02-09 |
Family
ID=89800677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623217.9U Active CN220468648U (en) | 2023-06-26 | 2023-06-26 | Center assembled split spherical hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468648U (en) |
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2023
- 2023-06-26 CN CN202321623217.9U patent/CN220468648U/en active Active
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