CN217839752U - Be applied to lower carousel structure of bridge construction - Google Patents
Be applied to lower carousel structure of bridge construction Download PDFInfo
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- CN217839752U CN217839752U CN202221452585.7U CN202221452585U CN217839752U CN 217839752 U CN217839752 U CN 217839752U CN 202221452585 U CN202221452585 U CN 202221452585U CN 217839752 U CN217839752 U CN 217839752U
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Abstract
The application provides a lower carousel structure for bridge construction belongs to bridge construction technical field. The lower rotary table structure applied to bridge construction comprises a rotation supporting mechanism and a rotation executing mechanism. The swivel supporting mechanism comprises a first positioning framework, a first sleeve, a lower spherical hinge, a center pin shaft, an annular slide way and a lower bearing platform, the rotary executing mechanism comprises an upper spherical hinge, a second sleeve and a supporting foot, the elevation and the center position of the lower spherical hinge are adjusted through a height adjusting piece, the annular slide way is spliced in a segmented mode, the whole slide way surface is located on the same horizontal plane, the adjustment is simple, convenient and fast, the labor intensity is reduced, friction force generated when the upper spherical hinge rotates on the lower spherical hinge can be greatly reduced through sliding sheets arranged between the upper spherical hinge and the lower spherical hinge and between the supporting foot and the annular slide way, the weight of the upper spherical hinge and the upper structure of the upper bearing platform can be supported, and the effect of stabilizing the upper spherical hinge is achieved.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a lower turntable structure applied to bridge construction.
Background
The bridge turning construction refers to a construction method that after a bridge structure is manufactured (poured or spliced) at a non-designed axis position and is formed, a bridge is turned in place. According to the rotation direction of the bridge structure, the method can be divided into a vertical swivel construction method, a horizontal swivel construction method and a method combining horizontal swivel and vertical swivel, wherein the horizontal swivel method is most applied, and swivel spherical hinges are key structures for realizing the swivel function. The rotary spherical hinge mainly comprises a lower rotary table, a spherical hinge, an upper rotary table, a rotary traction system, a boosting system, an axis fine adjustment system and the like. The lower rotary disc is an important supporting structure in a rotating system, a lower spherical hinge of a rotating system, an annular slide way of a supporting foot, a counterforce seat of a rotating traction system, a boosting system, an axis fine adjustment system and the like are arranged on the lower rotary disc, and the upper rotary disc is a part where the spherical hinge and the supporting foot are connected with the upper rotary disc and is a part where rotating traction force is directly applied.
In order to realize its steady rotation when the bridge is turned the construction, need keep turning the equilibrium of ball pivot rotation process, this relative height and the position of carousel under the adjustment just need be installed when the installation, prior art can adopt the jack to realize mostly, wait to adjust to fix the ball pivot again after the position, regulation mode complex operation in the pond, inconvenience, construction intensity of labour is big, can't satisfy actual construction demand, and turn and not set up the mechanism that reduces and rotate frictional force between the ball pivot, the resistance of rotation process is great, it is very hard to cause the traction system of turning to pull, the extravagant energy.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiency, the present application provides a lower turntable structure applied to bridge construction, aiming at improving the problems proposed in the above background art.
The embodiment of the application provides a lower turntable structure applied to bridge construction, which comprises a rotation supporting mechanism and a rotation executing mechanism.
The swivel supporting mechanism comprises a first positioning framework, a first sleeve, a lower spherical hinge, a center pin shaft, an annular slide way and a lower bearing platform, the first positioning framework is assembled in the top of the lower bearing platform, the lower spherical hinge is installed at the top of the first positioning framework through a height adjusting piece, a plurality of ring slide pieces are embedded in the inner arc surface of the lower spherical hinge, the first sleeve is fixedly penetrated through the center of the first positioning framework and the lower spherical hinge, the center pin shaft is inserted in the first sleeve, the annular slide way is assembled around the lower spherical hinge in the top of the lower bearing platform, and the top of the annular slide way is also uniformly provided with a plurality of the slide pieces.
The rotary executing mechanism comprises an upper spherical hinge, a second sleeve and a supporting foot, the upper spherical hinge is assembled on the top of the lower spherical hinge and is in rotary fit with the spherical surface of the slip sheet, the second sleeve penetrates through and is fixed on the central position of the upper spherical hinge, the second sleeve is sleeved on the central pin shaft, an upper bearing platform is poured on the top of the upper spherical hinge, the supporting foot array is installed on the periphery of the upper spherical hinge and is arranged at the bottom of the upper bearing platform, and the supporting foot is in sliding butt connection with the slip sheet at the top of the annular slide way.
In the implementation process, the first positioning framework is pre-embedded at the top of the lower bearing platform, the lower spherical hinge is hoisted to the top of the first positioning framework, the elevation and the central position of the lower spherical hinge are adjusted through the height adjusting part to ensure that the central position of the lower spherical hinge coincides with the design position, the annular slide ways are spliced in sections, the whole slide way surface is positioned on the same horizontal plane, the adjustment is simple, convenient and quick, the labor intensity is reduced, the upper spherical hinge is hoisted in place, the central pin shaft is inserted into the first sleeve and the second sleeve, the spherical mandrels of the upper spherical hinge and the lower spherical hinge coincide with the rotation center of the spherical hinge, the friction force generated when the upper spherical hinge rotates on the lower spherical hinge can be greatly reduced through the sliding sheets arranged between the upper spherical hinge and the lower spherical hinge and between the supporting feet and the annular slide ways, meanwhile, the weight of the upper spherical hinge and the upper structure of the upper bearing platform can be supported, and the effect of stabilizing the upper spherical hinge is achieved.
In a specific implementation scheme, a first spherical hinge framework is fixedly arranged at the bottom of the lower spherical hinge, and a plurality of first reinforcing ribs are fixedly arranged between the lower spherical hinge and the first spherical hinge framework.
In the implementation process, the lower spherical hinge is positioned and supported through the first spherical hinge framework, and the lower spherical hinge and the first spherical hinge framework are reinforced and fixed through the arranged first reinforcing rib.
In a specific embodiment, the height adjusting part comprises first connecting angle steel, a first bolt rod, a connecting block and a first positioning nut, the first connecting angle steel is symmetrically and fixedly arranged at the top ends of two sides of the first positioning framework, the connecting block is fixedly arranged on the first spherical hinge framework, the first bolt rod sequentially penetrates through the first connecting angle steel and the connecting block, and the first positioning nut is in threaded sleeve joint with the two sides of the connecting block and is outside the first bolt rod.
In the implementation process, the position of the first positioning nut on the first bolt rod is adjusted by screwing the first positioning nut, so that the vertical position of the connecting block is adjusted, the elevation and the central position of the lower spherical hinge are adjusted, and the central position and the design position of the lower spherical hinge are coincided.
In a specific embodiment, annular slide includes second location skeleton and slide steel sheet, second location skeleton is followed slide steel sheet circumference etc. divides into a plurality of sections, the slide steel sheet passes through the leveling piece to be installed in a plurality of sections the top of second location skeleton.
In a specific embodiment, leveling piece includes second angle steel, second shank of bolt and second positioning nut, second angle steel set firmly in the top of second location skeleton both sides, the second shank of bolt run through in proper order in the second angle steel with the slide steel sheet, second positioning nut screw thread cup joint in slide steel sheet both sides the second shank of bolt is outside.
In the implementation process, the second positioning framework is divided into a plurality of sections so as to convey the annular slide to the site for segmental splicing, and the height of the slide steel plate is adjusted by screwing two second positioning nuts to rotate the upper and lower threads outside the second bolt rod, so that the whole slide surface is positioned on the same horizontal plane, and the smoothness of the top surface of the slide steel plate is ensured.
In a specific embodiment, the spike is including supporting steel pipe, waist board and walking board, it sets up two to support the steel pipe symmetry, waist board fixed connection is in two support the middle part of steel pipe, walk the board set firmly in two support the bottom of steel pipe, walk the board contradict in slide steel sheet top the gleitbretter.
In a specific embodiment, a plurality of third reinforcing ribs are fixedly arranged on the outer wall of the supporting steel pipe between the waist plate and the walking plate.
In the implementation process, the two support steel pipes are reinforced and connected through the waist plate and the third reinforcing ribs, the weight of the upper spherical hinge and the upper structure of the upper bearing platform is supported by the sliding plates in a butting mode through the walking plates, and meanwhile the effect of stabilizing the upper spherical hinge is achieved.
In a specific embodiment, a second spherical hinge framework is fixedly arranged at the top of the upper spherical hinge, and a plurality of second reinforcing ribs are fixedly arranged between the upper spherical hinge and the second spherical hinge framework.
In the implementation process, the upper spherical hinge is positioned and fixed through the second spherical hinge framework, and the upper spherical hinge and the second spherical hinge framework are reinforced and fixed through the arranged second reinforcing ribs.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a structural schematic diagram of a lower turntable applied to bridge construction according to an embodiment of the present application;
fig. 2 is a schematic structural view of a swivel support mechanism according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a lower ball joint at a second viewing angle according to an embodiment of the present disclosure;
FIG. 4 is an enlarged schematic structural diagram of a portion A in FIG. 2 according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an annular chute according to an embodiment of the present application from a first viewing angle;
FIG. 6 is an enlarged schematic structural diagram of a portion B in FIG. 5 according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of an annular chute according to an embodiment of the present disclosure from a second perspective;
FIG. 8 is a schematic structural diagram of a rotary actuator according to an embodiment of the present disclosure;
FIG. 9 is a schematic view of the temple according to the present embodiment shown in a first perspective;
fig. 10 is a schematic structural view of the temple according to the embodiment of the present application at a second viewing angle.
In the figure: 10-a swivel support mechanism; 110-a first positioning skeleton; 120-a first sleeve; 130-lower spherical hinge; 131-a first spherical hinge framework; 132-a first reinforcing rib; 140-a height adjustment member; 141-a first connecting angle steel; 142-a first bolt shank; 143-connecting block; 144-a first positioning nut; 150-center pin; 160-a slide sheet; 170-annular slide; 171-a second positioning armature; 172-slideway steel plate; 173-leveling member; 1731-a second connecting angle steel; 1732-a second bolt shank; 1733-a second positioning nut; 180-lower bearing platform; 20-a rotary actuator; 210-upper spherical hinge; 211-a second spherical hinge skeleton; 212-a second reinforcing rib; 220-a second sleeve; 230-arm brace; 231-supporting the steel pipe; 232-waist board; 233-running board; 234-a third reinforcing rib; 240-upper deck.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Referring to fig. 1 to 10, the present application provides a lower turntable structure for bridge construction, which includes a rotation supporting mechanism 10 and a rotation executing mechanism 20.
Referring to fig. 2, 3, 4, 5, 6 and 7, the swivel support mechanism 10 includes a first positioning frame 110, a first sleeve 120, a lower ball hinge 130, a center pin 150, an annular slide way 170 and a lower bearing platform 180, the first positioning frame 110 is assembled in the top of the lower bearing platform 180, the first positioning frame 110 is pre-embedded in a post-cast part reserved on the top of the lower bearing platform 180, the swivel is connected through a sealing hinge concrete after the swivel is completed, the lower ball hinge 130 is installed on the top of the first positioning frame 110 through a height adjusting member 140, a plurality of rings of slide pieces 160 are embedded in the inner arc surface of the lower ball hinge 130, the first sleeve 120 penetrates through and is fixed at the center positions of the first positioning frame 110 and the lower ball hinge 130, the center pin 150 is inserted into the first sleeve 120, the annular slide way 170 is assembled in the top of the lower bearing platform 180 around the lower ball hinge 130, the annular slide way 170 is pre-embedded in the lower bearing platform 180 around the lower ball hinge 130, and the top of the annular slide way 170 is also uniformly provided with a plurality of slide pieces 160 to reduce the friction force during the rotation.
When the device is specifically arranged, the bottom of the lower spherical hinge 130 is fixedly provided with a first spherical hinge framework 131, the lower spherical hinge 130 is positioned and supported through the first spherical hinge framework 131, a plurality of first reinforcing ribs 132 are fixedly arranged between the lower spherical hinge 130 and the first spherical hinge framework 131, and the lower spherical hinge 130 and the first spherical hinge framework 131 are reinforced and fixed through the arranged first reinforcing ribs 132.
In this application, the height adjusting member 140 includes a first angle steel 141, a first bolt bar 142, a connecting block 143, and a first positioning nut 144, the first angle steel 141 is symmetrically fixed to the top ends of two sides of the first positioning frame 110, the connecting block 143 is fixed to the first spherical hinge frame 131, the first bolt bar 142 sequentially penetrates through the first angle steel 141 and the connecting block 143, the first positioning nut 144 is screwed on the outside of the first bolt bar 142 on two sides of the connecting block 143, the position of the first positioning nut 144 on the first bolt bar 142 is adjusted by screwing the first positioning nut 144, thereby adjusting the vertical position of the connecting block 143, and further adjusting the elevation and the central position of the lower spherical hinge 130, so as to ensure that the central position and the design position of the lower spherical hinge 130 coincide.
It should be noted that the annular chute 170 includes a second positioning framework 171 and a chute steel plate 172, the second positioning framework 171 is equally divided into a plurality of sections along the circumference of the chute steel plate 172, the second positioning framework 171 is divided into a plurality of sections so as to transport the annular chute 170 to the site for splicing in sections, the chute steel plate 172 is installed on the top of the plurality of sections of second positioning frameworks 171 through a leveling member 173, specifically, the leveling member 173 includes a second connecting angle steel 1731, a second bolt bar 1732 and a second positioning nut 1733, the second connecting angle steel 1731 is fixedly installed at the top end of two sides of the second positioning framework 171, and is fixed by bolting or welding, the second bolt bar 1732 sequentially penetrates through the second connecting angle steel 1731 and the chute steel plate 172, the second positioning nut 1733 is threadedly sleeved outside the second bolt bars 1732 on two sides of the chute steel plate 172, and is screwed up and down outside the second bolt bars 1732 by screwing the two second positioning nuts 1733 to adjust the height of the chute 172, so that the entire steel plate sliding surface of the steel plate is on the same horizontal plane, and the smoothness of the top surface of the chute steel plate 172 is ensured.
Referring to fig. 2, 8, 9 and 10, the rotation actuator 20 includes an upper spherical hinge 210, a second sleeve 220 and a brace 230, the upper spherical hinge 210 is assembled on the top of the lower spherical hinge 130 and is in spherical rotation fit with the slip sheet 160, the slip sheet 160 can reduce friction when the upper spherical hinge 210 and the lower spherical hinge 130 rotate, and improve smoothness of rotation, the second sleeve 220 is fixed on the center of the upper spherical hinge 210 through a bolt or welded, the second sleeve 220 is sleeved on the center pin 150, specifically, the upper spherical hinge 210 is hoisted in place, the second sleeve 220 is sleeved on the center pin 150, so that the spherical mandrels of the upper and lower spherical hinges coincide with the rotation center of the spherical hinge, the top of the upper spherical hinge 210 is cast with an upper bearing platform 240, which is the same as the construction method of the lower spherical hinge 130, the brace 230 is arranged on the bottom of the upper bearing platform 240 around the upper spherical hinge 210, and is fixed or anchored by a bolt, and the brace 230 slides to abut against the slip sheet 160 on the top of the annular slide rail 170.
In this embodiment, the top of the upper spherical hinge 210 is fixedly provided with a second spherical hinge framework 211, a plurality of second reinforcing ribs 212 are fixedly arranged between the upper spherical hinge 210 and the second spherical hinge framework 211, the upper spherical hinge 210 is positioned and fixed through the second spherical hinge framework 211, and the upper spherical hinge 210 and the second spherical hinge framework 211 are reinforced and fixed through the second reinforcing ribs 212.
When specifically setting up, the kickstand 230 is including supporting steel pipe 231, waist board 232 and walk board 233, it sets up two to support the steel pipe 231 symmetry, waist board 232 fixed connection is in two middle parts that support steel pipe 231, it sets firmly in two bottom that support steel pipe 231 to walk board 233, walk board 233 and contradict in the gleitbretter 160 at slide steel plate 172 top, waist board 232 and the support steel pipe 231 outer wall of walking between the board 233 set firmly a plurality of third strengthening rib 234, support steel pipe 231 through waist board 232 and third strengthening rib 234 and consolidate the connection, support the weight of ball pivot 210 and upper bearing platform 240 superstructure on gleitbretter 160 through walking board 233 butt, play the effect of stabilizing ball pivot 210 simultaneously.
This be applied to lower carousel structure's of bridge construction theory of operation: when the positioning device is used, the first positioning framework 110 is pre-embedded in a post-pouring part reserved at the top of the lower bearing platform 180, the lower spherical hinge 130 is hoisted to the top of the first positioning framework 110, the first spherical hinge framework 131 is fixedly connected with the first positioning framework 110 through the height adjusting piece 140, the first positioning nut 144 is screwed to adjust the position of the first positioning nut on the first bolt rod 142, so that the vertical position of the connecting block 143 is adjusted, the elevation and the central position of the lower spherical hinge 130 are adjusted, the central position and the design position of the lower spherical hinge 130 are enabled to be coincident, the central pin shaft 150 is inserted into the first sleeve 120, the second positioning framework 171 divided into a plurality of sections is conveyed to the site to be spliced with the slide steel plate 172 in sections, and after the installation is completed, the height of the slideway steel plate 172 is adjusted by screwing two second positioning nuts 1733 to rotate up and down threads outside the second bolt bars 1732, so that the whole slideway surface is positioned on the same horizontal plane, the smoothness of the top surface of the slideway steel plate 172 is ensured, the adjustment is simple, convenient and quick, the labor intensity is reduced, then the upper spherical hinge 210 is hoisted in place, the second sleeve 220 is sleeved on the central pin shaft 150, the spherical mandrels of the upper and lower spherical hinges are superposed with the rotation center of the spherical hinge, the upper spherical hinge 210 is in rotating fit with the spherical surface of the sliding sheet 160 at the top of the lower spherical hinge 130, the walking plate 233 at the bottom of the supporting foot 230 is in sliding fit with the sliding sheet 160 at the top of the slideway steel plate 172, the friction force of the upper spherical hinge 210 during rotation on the lower spherical hinge 130 can be greatly reduced, and the weights of the upper structures of the upper spherical hinge 210 and the upper bearing platform 240 can be supported, so as to stabilize the upper spherical hinge 210.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. 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.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. Be applied to lower carousel structure of bridge construction, its characterized in that includes
The swivel support mechanism (10) comprises a first positioning framework (110), a first sleeve (120), a lower spherical hinge (130), a central pin shaft (150), an annular slide way (170) and a lower bearing platform (180), wherein the first positioning framework (110) is assembled in the top of the lower bearing platform (180), the lower spherical hinge (130) is installed at the top of the first positioning framework (110) through a height adjusting piece (140), a plurality of ring slide pieces (160) are embedded in the inner arc surface of the lower spherical hinge (130), the first sleeve (120) penetrates through and is fixed at the central positions of the first positioning framework (110) and the lower spherical hinge (130), the central pin shaft (150) is inserted into the first sleeve (120), the annular slide way (170) is assembled in the top of the lower bearing platform (180) around the lower spherical hinge (130), and the top of the annular slide way (170) is also uniformly provided with the plurality of slide pieces (160);
rotate actuating mechanism (20), rotate actuating mechanism (20) and include ball pivot (210), second sleeve pipe (220) and spike (230), go up ball pivot (210) assemble in down ball pivot (130) top and with gleitbretter (160) sphere normal running fit, second sleeve pipe (220) run through be fixed in go up the central point of ball pivot (210) and put, second sleeve pipe (220) cover is located central round pin axle (150), it has poured upper cushion cap (240) to go up ball pivot (210) top, spike (230) array install in go up ball pivot (210) around last cushion cap (240) bottom, spike (230) slip butt in annular slide (170) top gleitbretter (160).
2. The lower turntable structure applied to bridge construction according to claim 1, wherein a first spherical hinge framework (131) is fixedly arranged at the bottom of the lower spherical hinge (130), and a plurality of first reinforcing ribs (132) are fixedly arranged between the lower spherical hinge (130) and the first spherical hinge framework (131).
3. The lower turntable structure applied to bridge construction is characterized in that the height adjusting part (140) comprises a first connecting angle steel (141), a first bolt rod (142), a connecting block (143) and a first positioning nut (144), the first connecting angle steel (141) is symmetrically and fixedly arranged at the top ends of two sides of the first positioning framework (110), the connecting block (143) is fixedly arranged on the first spherical hinge framework (131), the first bolt rod (142) sequentially penetrates through the first connecting angle steel (141) and the connecting block (143), and the first positioning nut (144) is in threaded sleeve connection with the outside of the first bolt rod (142) at two sides of the connecting block (143).
4. A lower turntable structure applied to bridge construction according to claim 1, wherein the annular slide way (170) comprises a second positioning frame (171) and a slide way steel plate (172), the second positioning frame (171) is equally divided into a plurality of sections along the circumference of the slide way steel plate (172), and the slide way steel plate (172) is mounted on the top of the plurality of sections of the second positioning frame (171) through leveling members (173).
5. The lower turntable structure applied to bridge construction is characterized in that the leveling member (173) comprises a second connecting angle steel (1731), a second bolt rod (1732) and a second positioning nut (1733), the second connecting angle steel (1731) is fixedly arranged at the top ends of two sides of the second positioning framework (171), the second bolt rod (1732) sequentially penetrates through the second connecting angle steel (1731) and the slideway steel plate (172), and the second positioning nut (1733) is sleeved outside the second bolt rod (1732) on two sides of the slideway steel plate (172).
6. The lower turntable structure applied to bridge construction according to claim 5, wherein the supporting legs (230) comprise two supporting steel pipes (231), two waist plates (232) and two walking plates (233), the two supporting steel pipes (231) are symmetrically arranged, the waist plates (232) are fixedly connected to the middle parts of the two supporting steel pipes (231), the walking plates (233) are fixedly arranged at the bottom ends of the two supporting steel pipes (231), and the walking plates (233) are abutted against the sliding sheets (160) at the tops of the slideway steel plates (172).
7. The lower turntable structure applied to bridge construction according to claim 6, wherein a plurality of third reinforcing ribs (234) are fixedly arranged on the outer wall of the supporting steel pipe (231) between the waist plate (232) and the walking plate (233).
8. The lower turntable structure applied to bridge construction according to claim 1, wherein a second spherical hinge framework (211) is fixedly arranged at the top of the upper spherical hinge (210), and a plurality of second reinforcing ribs (212) are fixedly arranged between the upper spherical hinge (210) and the second spherical hinge framework (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221452585.7U CN217839752U (en) | 2022-06-12 | 2022-06-12 | Be applied to lower carousel structure of bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221452585.7U CN217839752U (en) | 2022-06-12 | 2022-06-12 | Be applied to lower carousel structure of bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217839752U true CN217839752U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221452585.7U Active CN217839752U (en) | 2022-06-12 | 2022-06-12 | Be applied to lower carousel structure of bridge construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN217839752U (en) |
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2022
- 2022-06-12 CN CN202221452585.7U patent/CN217839752U/en active Active
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