CN209923772U - Device for air traction and transportation of large-span suspension cable pipeline bridge - Google Patents
Device for air traction and transportation of large-span suspension cable pipeline bridge Download PDFInfo
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- CN209923772U CN209923772U CN201920235683.7U CN201920235683U CN209923772U CN 209923772 U CN209923772 U CN 209923772U CN 201920235683 U CN201920235683 U CN 201920235683U CN 209923772 U CN209923772 U CN 209923772U
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Abstract
The utility model relates to a device for large span suspension cable pipeline bridge aerial traction and transportation, which comprises a shell consisting of a front panel and a rear panel, wherein a large pulley is vertically arranged above the inside of the shell, a large pulley shaft sequentially passes through the front panel, the large pulley and the rear panel, and large shaft clapboards are arranged between the large pulley and the front panel as well as between the large pulley and the rear panel; two small pulleys are symmetrically arranged below the inside of the shell, bearings are further arranged at two ends of a small pulley shaft inside the shell respectively, check rings are arranged between the corresponding bearings and the front web and between the corresponding bearings and the rear web respectively, and the small pulley shaft penetrates through the front web, the check rings, the bearings, the small pulleys, the bearings, the check rings and the rear web in sequence. The utility model is not only simple in structure, can accomplish the back basically in ground equipment moreover, transport to construction cable department and carry out the installation of last step, should walk the line coaster simultaneously and need not with the help of other equipment and facility, can guarantee to draw and steadily not have the card to pause in the transportation.
Description
Technical Field
The utility model relates to a device that is used for long span suspension cable pipeline bridge to pull in the air and transport belongs to suspension cable pipeline bridge technical field.
Background
The suspension cable pipeline bridge has certain particularity and unique structural characteristics, and specifically comprises the following components:
(1) the self weight of the suspension cable structure is light: the suspension cable pipeline bridge mostly adopts a relatively light steel truss stiffening beam, and usually adopts one or an upper main pipeline and a lower main pipeline, and the dead load is much lighter compared with the common suspension cable bridge.
(2) The suspension cable has small structural rigidity: the bridge width of the suspension cable pipeline bridge is generally 3m +/-1 m, the width span ratio is about 1/100, and the width span ratio of the common suspension cable bridge is only about 1/10.
(3) The vertical loads borne are different: the common suspension bridge bears live loads brought by people flow, traffic flow and the like, the load change range is large and relatively heavy, the suspension cable pipeline bridge only bears live loads formed by flowing media in the pipeline except the dead weight of the pipeline, the load change degree is not large under the condition that the conveying pressure is fixed, and the load bearing effect is mainly combined with the effects of permanent loads (dead weight of the pipeline, the media, the structure and the like), variable loads (wind, rain, snow, overhaul loads, pigging loads, temperature stress, earthquake action and the like), pipeline pressure testing and construction loads.
(4) The structure has poor wind load resistance: in contrast, the pipeline suspension bridge has a small windward area and small wind force borne by unit length, but because the span width ratio is small, the horizontal transverse rigidity is small, a wind resisting cable is generally required to be specially arranged to resist wind load, and relatively speaking, the influence of the static and dynamic load action of wind on the stability, strength and durability is more serious than that of a common suspension bridge.
(5) The diameter of the cable system is small: because the load born by the cable system is relatively small, the diameter of the cable system is correspondingly small, and the diameter of the cable system is about 1/3-1/7 of the diameter of the common suspension bridge cable system.
Based on the structural characteristics, because the construction history, the number and the scale of the suspension cable pipeline bridge are relatively small, no relatively safe, reliable, economical and efficient equipment exists in the current suspension cable pipeline bridge construction field to drag and transport catwalk cable systems, main cable strands and steel truss stiffening beams after construction cable erection is completed.
In the suspension cable highway bridge and suspension cable railway bridge industry, due to the fact that load is large, the diameter of a cable system is large, similar equipment such as a dragging device and a truss car are large in size, the structure is complex, installation is inconvenient, and operation efficiency is low; meanwhile, due to the difference of construction methods, besides the equipment, certain supporting equipment and auxiliary facilities are needed, and the characteristics also cause that the suspension cable pipeline bridge has certain reference significance but cannot be directly transplanted to the suspension cable pipeline bridge for application.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of current trade development does not have the safety and stability equipment yet, overcome the like product structure of other trades complicacy, the installation, demolish inconveniently to and the not steady shortcoming inadequately of operation process, the utility model provides a device that is used for long span suspension cable pipeline bridge to pull and transport in the air, be one kind promptly and walk the line coaster, should walk the line coaster not only simple structure, can accomplish the back basically in ground equipment moreover, transport to construction cable department and carry out last step installation, should walk the line coaster simultaneously and need not with the help of other equipment and facility, can guarantee to pull and steadily not have the card pause in the transportation.
A device for air traction and transportation of a large-span suspension cable pipeline bridge comprises a shell consisting of a front amplitude plate and a rear amplitude plate, wherein the front amplitude plate and the rear amplitude plate are oppositely and symmetrically arranged; a large pulley is vertically arranged above the inner part of the shell, a large pulley shaft sequentially penetrates through the front amplitude plate, the large pulley and the rear amplitude plate, and large shaft clapboards are arranged between the large pulley and the front amplitude plate as well as between the large pulley and the rear amplitude plate; two small pulleys are symmetrically arranged below the inner part of the shell, bearings are respectively arranged at two ends of a small pulley shaft in the shell, check rings are respectively arranged between the corresponding bearings and the front amplitude plate and between the corresponding bearings and the rear amplitude plate, and the small pulley shaft sequentially penetrates through the front amplitude plate, the check rings, the bearings, the small pulleys, the bearings, the check rings and the rear amplitude plate; the large pulley rotates on the construction cable, and the two small pulleys are hung on a chain block or a steel wire rope to be connected with a transported object.
Furthermore, the front web and the rear web are respectively provided with a cavity at corresponding positions for the large pulley shaft and the small pulley shaft to pass through, the large pulley shaft and the small pulley shaft are provided with a set screw at one end outside the front web, and the large pulley shaft and the small pulley shaft are respectively fixedly connected with the front web and the rear web through a fixing bolt A and a fixing bolt B at corresponding positions outside the rear web.
Furthermore, the front web plate and the rear web plate are both I-shaped, and the front web plate and the rear web plate are fixedly connected through a fixing bolt C.
Furthermore, two positioning sleeves are symmetrically arranged in the middle of the shell, penetrate through the front web and the rear web respectively and are fixedly connected through a fixing bolt D.
The utility model has the advantages that:
1. small and light, simple installation, convenient removal and easy operation.
The weight of a single product of the utility model is about 50kg, the process of installing one product is about 10-20min, and the two people can be matched.
2. The use process is safe and efficient.
The utility model discloses used assembly pulley can match well with the construction cable of multiple model, is difficult for causing wire rope to turn up in the use. The assembly pulley material is 45# steel, has higher intensity, and long-term use is difficult for wearing and tearing to cause dark mar, and the assembly pulley surface is smooth, and the operation process is smooth, does not have the card and pause. For a large-span suspension cable pipeline bridge, 8-10 routing pulleys are equipped to meet the construction requirement.
3. Simple use and high flexibility.
The utility model discloses both can the exclusive use transport small-size machines, measures materials such as glassware, also two liang of cooperations in pairs pull and transport catwalk cable system, main part engineering cable system, can also 4 or 6 walk the line coaster and use with main, vice construction cable cooperation in groups, pull the steel truss stiffening beam of large-scale volume and weight.
4. Easy maintenance and maintenance, can be used repeatedly by a plurality of projects, and has extremely low waste rate.
The utility model discloses the use is high density, high strength material, and later stage maintenance need not to dismantle, the surface wipe scribble the anti-rust paint can, can used repeatedly in the same kind of engineering.
Drawings
The present invention will be further explained with reference to the accompanying drawings, which mainly include the following contents:
fig. 1 is the overall assembly effect diagram of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a plan view of the present invention.
Fig. 5 is a sectional view taken along line a-a in fig. 2.
Fig. 6 is a sectional view taken along line B-B in fig. 2.
Fig. 7 is a schematic view of the application effect of the cable-routing pulley in the suspension cable pipeline bridge of the present invention.
In the figure, 1-a front web, 2-a rear web, 3-a large pulley, 4-a small pulley, 5-a large pulley shaft, 6-a small pulley shaft, 7-a fixing bolt, 8-a retainer ring, 9-a large shaft clapboard, 10-a positioning sleeve, 11-a fixing bolt B, 12-a bearing, 13-a fixing bolt D, 14-a fixing bolt A, and 15-a fixing bolt C.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a device that is arranged in big span suspension cable pipeline bridge to pull in air and transports, for being applicable to the main span not less than 150m, or the total span is not less than one kind of use in 300 m's the oil gas pipeline suspension cable bridge and walks the line coaster, it is used for the construction cable to erect and accomplishes the back, the vertical load is shared in big pulley and the common cooperation of small pulley, pull and transport catwalk cable system, main push-towing rope strand, steel truss stiffening beam, construction measures materials such as the supplementary transportation small-size machines of accessible in addition, material utensil etc..
The device for the air traction and transportation of the large-span suspension cable pipeline bridge comprises a front amplitude plate, a rear amplitude plate, a large pulley, a matching shaft, a small pulley, a matching shaft and a fixing bolt, and mainly utilizes the basic principle that a disk with a groove and a flexible cable (mainly a steel wire rope) crossing the disk can rotate around a central shaft, and specifically comprises the following components in reference to the figures 1-4:
the outer shell is composed of a front web plate 1 and a rear web plate 2, the outer shell plays a role in protection, and the front web plate 1 and the rear web plate 2 are arranged oppositely and symmetrically and are both in an I shape. A large pulley 3 is vertically arranged above the inner part of the shell, and the walking of the routing pulley is realized by the rotation of the large pulley 3 on the construction cable. The large pulley shaft 5 sequentially penetrates through the front amplitude plate 1, the large pulley 3 and the rear amplitude plate 2, and the large pulley shaft 5 can play a bearing role and simultaneously can ensure that the large pulley can freely rotate. Big shaft clapboards 9 are arranged between the big pulley 3 and the front and rear breadth plates 1 and 2 to reduce the friction between the big pulley 3 and the front and rear breadth plates 1 and 2, so that the axial movement of the big pulley can be prevented while the limiting effect is achieved. Two small pulleys 4 are symmetrically arranged below the inner part of the shell, and a chain block or a steel wire rope is hung on the two small pulleys 4 to be connected with a transported object to jointly cooperate and share the vertical load. As shown in fig. 6, bearings 12 are further respectively disposed at two ends of the small pulley shaft 6 inside the housing to bear radial load of the transported object and control radial and axial movement of the small pulley, retaining rings 8 are respectively disposed between the corresponding bearings 12 and the front and rear webs 1 and 2 to prevent the small pulley from moving axially, and the small pulley shaft 6 sequentially passes through the front web 1, the retaining rings 8, the bearings 12, the small pulley 4, the bearings 12, the retaining rings 8 and the rear web 2.
The front and rear webs 1 and 2 are respectively provided with a cavity at corresponding positions for the large pulley shaft 5 and the small pulley shaft 6 to pass through, the large pulley shaft 5 and the small pulley shaft 6 are respectively provided with a set screw at one end of the outer side of the front web 1, and the large pulley shaft 5 and the small pulley shaft 6 are respectively fixedly connected with the front and rear webs 1 and 2 through a fixing bolt A14 and a fixing bolt B11 at corresponding positions of the outer side of the rear web 2.
Two positioning sleeves are symmetrically arranged in the middle of the shell to limit the relative positions of the large pulley and the small pulley and play a certain supporting role. The two positioning sleeves respectively penetrate through the front web 1 and the rear web 2 and are fixedly connected through a fixing bolt D13.
The front web 1 and the rear web 2 are fixedly connected through a fixing bolt C15. After the components of the routing pulley are assembled on the ground, the components are conveyed to the position of a construction cable on the upper portion of the suspension bridge, and after the construction cable penetrates through the large pulley, the fixing bolt C15 is installed and screwed, namely aerial installation is completed.
The utility model discloses a based on the less characteristics of the little cable system diameter that causes of the vertical load that the cable suspension pipeline bridge structure dead weight is light, rigidity is little and bear to solve the current situation that does not have relative safe and reliable, economic efficient to pull transportation equipment at present. The utility model discloses as far as possible with the simplification of structure, its volume of minimize and dead weight, in order to make things convenient for aerial transportation and installation, as shown in fig. 7, walk the line coaster under the drive of the hoist engine that the cable suspension pipeline bridge both sides set up, the rotation through the big pulley in upper portion realizes pulling the function with the transportation on the construction cable, hang chain block or wire rope through the little pulley in lower part and will transport the thing and walk the line coaster and be connected and fix, the purpose of vertical load is shared in the cooperation jointly, accomplish the requirement that cable suspension pipeline bridge superstructure pulls and transports with this combined action.
In the embodiment, the specification and data of main parts are listed by taking the main span diameter of 310m, the diameter of a pipeline as D1016mm and the model number phi of a construction cable as 36-6 multiplied by 37-1670 as an example. The front and rear webs are respectively 500mm long, 554.7mm high and 10mm thick; the diameter of the large pulley is 250mm, an inner hole (60) is in interference fit with the large pulley shaft, an M8 multiplied by 15 set screw is tapped at the end part, the large pulley is forged and processed by 45# steel, the defects of cracks, interlayers and the like are not allowed, the large pulley shaft is made of 40Cr materials, the thickness of the large shaft partition plate is 3mm, and the 45# steel is adopted. The excircle of a large pulley shaft phi 60 is in interference fit with an inner hole of the large pulley, an end face of one end of the large pulley shaft is matched with an M8 multiplied by 15 set screw, and a thread groove with the thread pitch of 8mm and the depth of 0.5mm is processed at the other end of the large pulley shaft. The diameter of the small pulley is phi 150mm, the forging condition is the same as that of the large pulley, and the thickness of the small pulley retainer ring is 3 mm. The inner diameter of the positioning sleeve is phi 20mm, and 45# steel is adopted. The utility model discloses used spare part can be equipped with according to corresponding suitable proportion and standard atress, because utility model is used for high aerial pulling and transportation, can increase factor of safety as appropriate for the emergence of prevention incident.
The utility model has the characteristics of simple structure, installation are convenient, operation safety is high-efficient etc, have fine popularization and practical value, can produce good economic benefits and social after extensively promoting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, 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 invention should be included in the protection scope of the present invention.
Claims (4)
1. A device for air traction and transportation of a large-span suspension cable pipeline bridge is characterized by comprising a shell consisting of a front amplitude plate (1) and a rear amplitude plate (2), wherein the front amplitude plate (1) and the rear amplitude plate (2) are oppositely and symmetrically arranged; a large pulley (3) is vertically arranged above the inner part of the shell, a large pulley shaft (5) sequentially penetrates through the front amplitude plate (1), the large pulley (3) and the rear amplitude plate (2), and large shaft clapboards (9) are arranged between the large pulley (3) and the front amplitude plate (1) and between the large pulley shaft and the rear amplitude plate (2); two small pulleys (4) are symmetrically arranged below the inner part of the shell, bearings (12) are respectively arranged at two ends of a small pulley shaft (6) in the shell, check rings (8) are respectively arranged between the corresponding bearings (12) and the front web (1) and between the corresponding bearings (12) and the rear web (2), and the small pulley shaft (6) sequentially penetrates through the front web (1), the check rings (8), the bearings (12), the small pulleys (4), the bearings (12), the check rings (8) and the rear web (2); the large pulley (3) rotates on the construction cable, and the two small pulleys (4) are hung on a chain block or a steel wire rope to be connected with a transported object.
2. The device for long-span cable-suspended pipeline bridge aerial traction and transportation according to claim 1, wherein the front web (1) and the rear web (2) are respectively provided with a hollow hole for the large pulley shaft (5) and the small pulley shaft (6) to pass through at corresponding positions, one end of the large pulley shaft (5) and one end of the small pulley shaft (6) at the outer side of the front web (1) are set screws, and the large pulley shaft (5) and the small pulley shaft (6) are respectively fixedly connected with the front web (1) and the rear web (2) at corresponding positions at the outer side of the rear web (2) through fixing bolts A (14) and B (11).
3. The device for long-span cable pipeline bridge aerial traction and transportation according to claim 1, wherein the front web (1) and the rear web (2) are both in an I shape, and the front web (1) and the rear web (2) are fixedly connected through a fixing bolt C (15).
4. The device for long-span cable pipeline bridge aerial traction and transportation according to claim 1, characterized in that two positioning sleeves are symmetrically arranged in the middle of the shell, and respectively penetrate through the front web (1) and the rear web (2) and are fixedly connected through a fixing bolt D (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920235683.7U CN209923772U (en) | 2019-02-25 | 2019-02-25 | Device for air traction and transportation of large-span suspension cable pipeline bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920235683.7U CN209923772U (en) | 2019-02-25 | 2019-02-25 | Device for air traction and transportation of large-span suspension cable pipeline bridge |
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| CN209923772U true CN209923772U (en) | 2020-01-10 |
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| CN201920235683.7U Active CN209923772U (en) | 2019-02-25 | 2019-02-25 | Device for air traction and transportation of large-span suspension cable pipeline bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797658A (en) * | 2019-02-25 | 2019-05-24 | 中国石油天然气集团公司 | A kind of device for the aerotow of Long span pipeline suspension bridge and transport |
| CN111549668A (en) * | 2020-04-24 | 2020-08-18 | 中交第二公路工程局有限公司 | Catwalk portal guide wheel set of suspension bridge main cable erection traction system and use method |
-
2019
- 2019-02-25 CN CN201920235683.7U patent/CN209923772U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797658A (en) * | 2019-02-25 | 2019-05-24 | 中国石油天然气集团公司 | A kind of device for the aerotow of Long span pipeline suspension bridge and transport |
| CN109797658B (en) * | 2019-02-25 | 2023-12-15 | 中国石油天然气集团有限公司 | Device for air traction and transportation of large-span suspension cable pipeline bridge |
| CN111549668A (en) * | 2020-04-24 | 2020-08-18 | 中交第二公路工程局有限公司 | Catwalk portal guide wheel set of suspension bridge main cable erection traction system and use method |
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