CN113174850A - Cable-stayed bridge supporting body - Google Patents
Cable-stayed bridge supporting body Download PDFInfo
- Publication number
- CN113174850A CN113174850A CN202110445954.3A CN202110445954A CN113174850A CN 113174850 A CN113174850 A CN 113174850A CN 202110445954 A CN202110445954 A CN 202110445954A CN 113174850 A CN113174850 A CN 113174850A
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- Prior art keywords
- cable
- pipeline
- stayed bridge
- bottom plate
- gear
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- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000013016 damping Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 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
- 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
- E01D11/04—Cable-stayed bridges
Abstract
The invention discloses a cable-stayed bridge support body, which belongs to the technical field of cable-stayed bridges and comprises the following components: a support frame; the positioning mechanism is arranged at the bottom of the support frame; the positioning mechanism includes: the device comprises a longitudinal positioning rod arranged at the bottom of a support frame, a bent pipe arranged at the bottom of the support frame and a transverse positioning mechanism arranged in the bent pipe. The supporting body is arranged to replace the existing combined supporting device, so that the structure is simplified, the installation period is shorter, and the transverse and longitudinal positioning can be realized, so that the stability is better.
Description
Technical Field
The invention relates to the technical field of cable-stayed bridges, in particular to a cable-stayed bridge supporting body.
Background
The girder material of cable-stay bridge chooses the girder steel usually for use, the concrete beam, combination beam or the hybrid beam that girder steel and concrete decking combine, adopt the concrete girder to the side span, the midspan adopts the cable-stay bridge of the combination beam that girder steel and concrete decking combine, its side span all has great unbalanced moment with the midspan, the root of cable-stay bridge takes place the moment of flexure easily among the work progress too big, cause cable-stay bridge unstable, in cable-stay bridge work progress, set up strutting arrangement bottom the side span of bridge usually.
The existing cable-stayed bridge is basically constructed by using a combined supporting mechanism, and particularly, an auxiliary pier is usually arranged at the bottom of a side span of the bridge or the side span of the bridge is constructed in a cast-in-place manner by adopting a support method; however, the combined mechanism has the defects of long time consumption, delay of construction period and single performance, and is complicated and laborious in the subsequent dismantling process.
In view of the above, a cable-stayed bridge supporting mechanism capable of supporting and flanging for disassembly is needed.
Disclosure of Invention
The invention provides a cable-stayed bridge support body aiming at the problems.
The technical scheme adopted by the invention is as follows: a cable-stayed bridge support body comprising: a support frame; the positioning mechanism is arranged at the bottom of the support frame;
the positioning mechanism includes: the device comprises a longitudinal positioning rod arranged at the bottom of a support frame, a bent pipe arranged at the bottom of the support frame and a transverse positioning mechanism arranged in the bent pipe.
Further, the support frame includes: the damping mechanism is arranged between the top plate and the bottom plate;
the damper mechanism includes: the spring is sleeved on the supporting column;
the supporting columns are at least provided with one group and symmetrically arranged on the left side and the right side of the bottom end face of the top plate, wherein the lower ends of the supporting columns penetrate through the bottom plate, and limiting pins are arranged at the lower ends of the supporting columns;
the longitudinal positioning rod and the bent pipe are both in threaded connection with the bottom plate; wherein the curved portion of the elbow is located below the floor.
Furthermore, the bottom plate and the top plate are both in rectangular round angle structures; wherein, longitudinal positioning pole is equipped with two sets ofly, and sets up respectively in the corner of bottom plate.
Still further, the elbow includes: a first conduit and a second conduit;
the upper end of the first pipeline is in threaded connection with the bottom plate, and the lower end of the first pipeline is vertically connected with the second pipeline;
the lateral positioning mechanism comprises: the driving mechanisms are respectively arranged in the first pipeline, and the transverse moving mechanisms are symmetrically arranged in the second pipeline;
the input end of the driving mechanism exceeds the bottom plate;
the transverse moving mechanism is connected with the lower end of the driving mechanism in a matching mode, and when the driving mechanism acts, elements on the transverse moving mechanism are driven to extend out of the second pipeline.
Still further, the drive mechanism includes: drive shaft, bearings and gears;
the bearing and the gear are sleeved on the driving shaft, wherein the inner end face of the bearing is sleeved on the driving shaft, and the outer end face of the bearing is fixedly connected with the inner wall of the first pipeline;
the gear is positioned at the lower end of the driving shaft, and the diameter of the gear is smaller than that of the bearing; wherein, the upper end of the driving shaft exceeds the bottom plate;
and the transverse moving mechanism is provided with teeth meshed with the gear.
Still further, the traversing mechanism comprises: a slide block and a cross bar;
the back of the sliding block is provided with teeth meshed with the gear, the outer side of the sliding block is connected with the cross rod, the lower end face of the sliding block is provided with a supporting piece, and the front of the sliding block is provided with a limit groove;
the inner wall of the second pipeline is provided with a limiting piece opposite to the position of the limiting groove, and the inner wall of the second pipeline is also provided with a sliding groove opposite to the position of the supporting piece;
the limiting piece is connected with the limiting groove in a sliding mode, and the supporting piece is connected with the sliding groove in a sliding mode; wherein the cross bar moves out of the second conduit when the gear rotates.
Furthermore, the supporting member is in a hemispherical structure, and the limiting member is in a spherical structure.
Furthermore, the left side and the right side of the inner wall of the limiting groove are both provided with elastic rubber pads.
Furthermore, the lower end of the supporting column is provided with a threaded hole, and the limiting pin is screwed in the threaded hole.
The invention has the advantages that:
1. the longitudinal positioning pole and the transverse positioning mechanism that this scheme set up can realize the rigidity of horizontal direction and vertical direction to make the more stable of supporter of this scheme design, thereby, be favorable to the cooperation cable-stay bridge side span bottom use, made things convenient for cable-stay bridge side span to repair and build, compare current pouring method more high-efficient.
2. The damper that this scheme set up, after deciding the board and drawing the bridge to one side, vertical displacement takes place for the roof, and the effort that the spring can effectual buffering roof received has avoided the effort to bottom plate and positioning mechanism's damage.
3. In this scheme, horizontal positioning mechanism and vertical positioning mechanism are not limited to its application range, for example, can all install the bottom of any base, realize horizontal and vertical position's injecing for the base is more stable, thereby, reduces and receives external force influence and slope scheduling problem.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adjusting mechanism according to an embodiment of the present invention.
Reference numerals:
the device comprises a longitudinal positioning rod 1, a top plate 2, a bottom plate 3, a support column 4, a spring 5, a limiting pin 6, a first pipeline 7, a second pipeline 8, a driving shaft 9, a gear 10, a sliding block 11, a cross rod 12, a supporting piece 13 and a limiting groove 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 2, as shown in fig. 1 to 2, a cable-stayed bridge support body includes: a support frame; the positioning mechanism is arranged at the bottom of the support frame;
the positioning mechanism includes: the device comprises a longitudinal positioning rod 1 arranged at the bottom of the support frame, a bent pipe arranged at the bottom of the support frame and a transverse positioning mechanism arranged in the bent pipe.
The main invention of the scheme is that, firstly, the existing pouring and mixing assembly mode is replaced by the arranged support frame and the positioning mechanism, so that the construction period of the cable-stayed bridge is not delayed, and meanwhile, the subsequent dismantling and recycling are more convenient; secondly, the position of the support body can be limited in the horizontal direction and the longitudinal direction through the arranged longitudinal positioning rod and the transverse positioning mechanism, so that the support body is more stable as a whole; thirdly, the damping mechanism can avoid that external force is constructed into the damage to the transverse positioning machine when using the supporting body, and the function of transverse positioning can not be carried out.
In an embodiment of the present invention, the supporting frame includes: a top plate 2, a bottom plate 3, and a damper mechanism disposed between the top plate 2 and the bottom plate 3;
the damper mechanism includes: the support column 4 and the spring 5 sleeved on the support column 4;
at least one group of support columns 4 are symmetrically arranged on the left side and the right side of the bottom end face of the top plate 2, the lower ends of the support columns 4 penetrate through the bottom plate 3, and limit pins 6 are arranged at the lower ends of the support columns 4;
the longitudinal positioning rod 1 and the bent pipe are both in threaded connection with the bottom plate 3; wherein the curved portion of the elbow is located below the floor 3.
The longitudinal positioning rod is used for vertically positioning the support body, and is driven into the ground base part by screwing the longitudinal positioning rod.
The damping mechanism is used for avoiding the damage of the transverse positioning mechanism due to overlarge acting force when the top plate is acted by the acting force at the bottom of the cable-stayed bridge; specifically, roof atress drives the support column and moves down, and the spring is compressed at this in-process, and along with the deformation volume increase of spring, the reaction force increase of spring makes the roof not moving down finally, so, has avoided the effort directly to transmit horizontal positioning mechanism, and damages horizontal positioning mechanism, can not carry out horizontal positioning.
In an embodiment of the present invention, the bottom plate 3 and the top plate 2 are both rectangular rounded structures; wherein, longitudinal positioning rod 1 is equipped with two sets ofly, and sets up respectively in the corner of bottom plate 3.
In an embodiment of the present invention, the elbow includes: a first duct 7 and a second duct 8;
at least one group of first pipelines 7 is arranged, the upper end of each first pipeline 7 is in threaded connection with the bottom plate 3, and the lower end of each first pipeline 7 is vertically connected with 8 second pipelines;
the lateral positioning mechanism comprises: the driving mechanisms are respectively arranged in the first pipeline 7, and the transverse moving mechanisms are symmetrically arranged in the second pipeline 8;
the input end of the driving mechanism exceeds the bottom plate 3;
the transverse moving mechanism is connected with the lower end of the driving mechanism in a matching mode, and when the driving mechanism acts, elements on the transverse moving mechanism are driven to extend out of the second pipeline 8.
It should be noted that the primary function of the first conduit is to carry and protect the drive mechanism; the second conduit is used for assisting the first conduit to carry the driving mechanism and simultaneously carrying and protecting the transverse moving mechanism.
In an embodiment of the present invention, the driving mechanism includes: drive shaft 9, bearings and gear 10;
the bearing and the gear 10 are sleeved on the driving shaft 9, wherein the inner end face of the bearing is sleeved on the driving shaft 9, and the outer end face of the bearing is fixedly connected with the inner wall of the first pipeline 7;
the gear 10 is positioned at the lower end of the driving shaft 9, and the diameter of the gear 10 is smaller than that of the bearing; wherein, the upper end of the driving shaft 9 exceeds the bottom plate 3;
and the transverse moving mechanism is provided with teeth meshed with the gear 10.
The driving mechanism is used for providing power for the movement of the transverse moving mechanism; specifically, the driving shaft rotates to drive the gear to rotate, the gear rotates to drive the transverse moving mechanism meshed with the gear to move transversely, so that part of elements on the transverse moving mechanism are moved out of the second pipeline and inserted into the foundation, and transverse positioning is completed.
Wherein, the rotation of drive shaft can connect driving motor, also can rotate through manual, when carrying out manual rotation, can install a carousel on the drive shaft.
In an embodiment of the present invention, the traversing mechanism includes: a slide 11 and a crossbar 12;
the back of the sliding block 11 is provided with teeth meshed with the gear 10, the outer side surface of the sliding block is connected with the cross rod 12, the lower end surface of the sliding block is provided with a supporting piece 13, and the front surface of the sliding block is provided with a limiting groove 14;
a limiting piece opposite to the position of the limiting groove 14 is arranged on the inner wall of the second pipeline 8, and a sliding groove opposite to the position of the supporting piece 13 is also arranged on the inner wall of the second pipeline 8;
the limiting piece is connected with the limiting groove 14 in a sliding mode, and the supporting piece 13 is connected with the sliding groove in a sliding mode; wherein the gear wheel 10 rotates and the crossbar 12 is moved out of the second conduit 8.
The transverse moving mechanism is mainly used for transversely positioning the support body; specifically, when the gear rotates, the sliding block moves horizontally on the gear, so that the sliding block moves towards the port of the second pipeline, in the process, the cross rod moves out of the second pipeline and is inserted into the foundation, the supporting piece slides in the sliding groove, the limiting piece moves in the limiting groove, and after the sliding block moves the distance of the length of the sliding groove, the limiting piece in the second pipeline is in contact with the inner side end of the limiting groove, so that the position of the sliding block is limited and cannot move, and thus, the transverse limiting process of the cross rod is completed.
It is worth to say that, the cross rod 12 can be set as an automatic telescopic rod, and due to the limitation of the length of the sliding block, the cross rod can be controlled to stretch and retract through the external control system after the sliding block moves to the limited position, so that the transverse stretching length of the cross rod is longer.
When the dismounting is carried out, the driving shaft is rotated reversely.
In an embodiment of the present invention, the supporting member 13 is a hemisphere, and the limiting member is a sphere.
Wherein, the friction of support piece and spout has been reduced to the hemisphere structure for the more laborsaving of slip removal process.
In an embodiment of the present invention, the left and right sides of the inner wall of the limiting groove 14 are provided with elastic rubber pads.
The elastic rubber pad is arranged and mainly used for buffering the limiting part and preventing the limiting part from impacting the limiting groove to damage the limiting groove when the sliding block stops too fast due to sliding.
In an embodiment of the present invention, a threaded hole is formed at a lower end of the supporting column 4, and the limit pin 6 is screwed in the threaded hole.
Wherein, the main effect of spacing pin is, places the support column and drops from the bottom plate.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A cable-stayed bridge support body, comprising: a support frame; the positioning mechanism is arranged at the bottom of the support frame;
the positioning mechanism includes: the device comprises a longitudinal positioning rod arranged at the bottom of a support frame, a bent pipe arranged at the bottom of the support frame and a transverse positioning mechanism arranged in the bent pipe.
2. A cable-stayed bridge support according to claim 1, characterized in that the support frame comprises: the damping mechanism is arranged between the top plate and the bottom plate;
the damper mechanism includes: the spring is sleeved on the supporting column;
the supporting columns are at least provided with one group and symmetrically arranged on the left side and the right side of the bottom end face of the top plate, wherein the lower ends of the supporting columns penetrate through the bottom plate, and limiting pins are arranged at the lower ends of the supporting columns;
the longitudinal positioning rod and the bent pipe are both in threaded connection with the bottom plate; wherein the curved portion of the elbow is located below the floor.
3. A cable-stayed bridge support according to claim 1, characterized in that the bottom plate and the top plate are both of rectangular rounded corner structure; wherein, longitudinal positioning pole is equipped with two sets ofly, and sets up respectively in the corner of bottom plate.
4. A cable-stayed bridge support according to claim 1, characterized in that the bent tube comprises: a first conduit and a second conduit;
the upper end of the first pipeline is in threaded connection with the bottom plate, and the lower end of the first pipeline is vertically connected with the second pipeline;
the lateral positioning mechanism comprises: the driving mechanisms are respectively arranged in the first pipeline, and the transverse moving mechanisms are symmetrically arranged in the second pipeline;
the input end of the driving mechanism exceeds the bottom plate;
the transverse moving mechanism is connected with the lower end of the driving mechanism in a matching mode, and when the driving mechanism acts, elements on the transverse moving mechanism are driven to extend out of the second pipeline.
5. A cable-stayed bridge support according to claim 4, characterized in that the driving mechanism comprises: drive shaft, bearings and gears;
the bearing and the gear are sleeved on the driving shaft, wherein the inner end face of the bearing is sleeved on the driving shaft, and the outer end face of the bearing is fixedly connected with the inner wall of the first pipeline;
the gear is positioned at the lower end of the driving shaft, and the diameter of the gear is smaller than that of the bearing; wherein, the upper end of the driving shaft exceeds the bottom plate;
and the transverse moving mechanism is provided with teeth meshed with the gear.
6. A cable-stayed bridge support according to claim 5, characterized in that the traversing mechanism comprises: a slide block and a cross bar;
the back of the sliding block is provided with teeth meshed with the gear, the outer side of the sliding block is connected with the cross rod, the lower end face of the sliding block is provided with a supporting piece, and the front of the sliding block is provided with a limit groove;
the inner wall of the second pipeline is provided with a limiting piece opposite to the position of the limiting groove, and the inner wall of the second pipeline is also provided with a sliding groove opposite to the position of the supporting piece;
the limiting piece is connected with the limiting groove in a sliding mode, and the supporting piece is connected with the sliding groove in a sliding mode; wherein the cross bar moves out of the second conduit when the gear rotates.
7. The cable-stayed bridge support body according to claim 6, wherein the support member is in a hemispherical structure, and the stopper is in a spherical structure.
8. The cable-stayed bridge supporting body according to claim 6, wherein the left side and the right side of the inner wall of the limiting groove are provided with elastic rubber pads.
9. The cable-stayed bridge supporting body according to claim 2, wherein a threaded hole is formed at the lower end of the supporting column, and the limiting pin is screwed in the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445954.3A CN113174850A (en) | 2021-04-25 | 2021-04-25 | Cable-stayed bridge supporting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445954.3A CN113174850A (en) | 2021-04-25 | 2021-04-25 | Cable-stayed bridge supporting body |
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| Publication Number | Publication Date |
|---|---|
| CN113174850A true CN113174850A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110445954.3A Pending CN113174850A (en) | 2021-04-25 | 2021-04-25 | Cable-stayed bridge supporting body |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120048082A (en) * | 2010-11-05 | 2012-05-15 | 강용우 | Supporting device for bridge having function of controlling uplift force |
| CN209760052U (en) * | 2019-04-08 | 2019-12-10 | 任旭东 | Municipal bridge construction strutting arrangement |
| CN111395186A (en) * | 2020-04-01 | 2020-07-10 | 陕西通宇公路研究所有限公司 | Method for erecting temporary pier of large-span steel-concrete composite beam cable-stayed bridge |
| CN211113129U (en) * | 2019-08-30 | 2020-07-28 | 浙江荣林环境股份有限公司 | Bridge damping device based on municipal bridge engineering |
| CN211200112U (en) * | 2019-11-21 | 2020-08-07 | 刘杰 | Supporting equipment for bridge construction of bridge engineering |
| CN211973135U (en) * | 2020-03-18 | 2020-11-20 | 中交（广州）建设有限公司 | Combined supporting device for constructing cable-stayed bridge |
-
2021
- 2021-04-25 CN CN202110445954.3A patent/CN113174850A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120048082A (en) * | 2010-11-05 | 2012-05-15 | 강용우 | Supporting device for bridge having function of controlling uplift force |
| CN209760052U (en) * | 2019-04-08 | 2019-12-10 | 任旭东 | Municipal bridge construction strutting arrangement |
| CN211113129U (en) * | 2019-08-30 | 2020-07-28 | 浙江荣林环境股份有限公司 | Bridge damping device based on municipal bridge engineering |
| CN211200112U (en) * | 2019-11-21 | 2020-08-07 | 刘杰 | Supporting equipment for bridge construction of bridge engineering |
| CN211973135U (en) * | 2020-03-18 | 2020-11-20 | 中交（广州）建设有限公司 | Combined supporting device for constructing cable-stayed bridge |
| CN111395186A (en) * | 2020-04-01 | 2020-07-10 | 陕西通宇公路研究所有限公司 | Method for erecting temporary pier of large-span steel-concrete composite beam cable-stayed bridge |
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Application publication date: 20210727 |