CN106684763A - Bridge winding pulley and bridge - Google Patents
Bridge winding pulley and bridge Download PDFInfo
- Publication number
- CN106684763A CN106684763A CN201611199366.1A CN201611199366A CN106684763A CN 106684763 A CN106684763 A CN 106684763A CN 201611199366 A CN201611199366 A CN 201611199366A CN 106684763 A CN106684763 A CN 106684763A
- Authority
- CN
- China
- Prior art keywords
- crane span
- span structure
- clamping plate
- roller bearing
- pulley block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 title abstract 4
- 238000010276 construction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
Abstract
The invention relates to the technical field of a winding pulley, and discloses a bridge winding pulley, which comprises a pulley body, a roller and a stationary fixture. The pulley body is arranged on the roller. The two ends of the roller are respectively provided with threaded sections. The stationary fixture comprises a first splint and a second splint which are oppositely arranged, and a connecting plate which is vertically connected with the first splint and the second splint. The relative position of the first splint and the second splint is provided with a first threaded hole and a second threaded hole. The stationary fixture, which goes through the first threaded hole, is respectively connected with the threaded sections of the two ends of the roller, and is used to correspondingly arrange to both sides of the bridge. The second threaded holes of the first splint and the second splint are respectively provided with the threaded fasteners matched with the screw threads. The threaded fasteners are clamped to both sides of the bridge by adjusting. The bridge winding pulley can be fixed on the bridge, improve the work efficiency and the safe of operating workers, and ensure the safe of a cable. The invention also discloses a bridge frame.
Description
Technical field
The present invention relates to pulley block technical field, more particularly to a kind of crane span structure pulley block and crane span structure.
Background technology
Existing pulley block due to that cannot be fixed on crane span structure, therefore, the cable wiring in crane span structure cannot be put using pulley
, but if not using pulley, directly be placed on cable on crane span structure to be pulled using machine by line, easily damages cable, and
Because frictional force is huge, crane span structure deformation is also led to, therefore can only be drawn by manpower, it is impossible to use mechanical traction.
However, being primarily due to the cable wiring constructed in central bridge, cable weight is big, and is exerted oneself not during personnel's tow cable
Unanimously, the substantial amounts of manpower of cable wiring needs is caused, it is time-consuming, take a lot of work.
Secondly as cable wiring is generally work high above the ground in crane span structure, cause operating personnel handicapped, even need sometimes
Stand and cable pulled on several meters of crane span structures high from the ground, is laid, when this results in construction cost, it is laborious, take a lot of work, and
Easily there is security incident.
Again, because cable is pulled on crane span structure, if the connecting sewing out-of-flatness between crane span structure, easily scratches cable.
The content of the invention
(1) technical problem to be solved
It is an object of the invention to provide a kind of pulley block that can be fixed on crane span structure, to improve operating efficiency, improve
The personal safety of operating personnel, also ensures the safety of cable.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of crane span structure pulley block, it include pulley body, roller bearing and
Stationary fixture, the pulley body is located on the roller bearing, and the roller bearing is respectively arranged at two ends with thread segment, the geometrical clamp
Tool include the first clamping plate that is oppositely arranged and second clamping plate and with the first clamping plate, second clamping plate connection connected vertically
The relative position of plate, the first clamping plate and second clamping plate is equipped with the first screwed hole and the second screwed hole, the stationary fixture
Thread segment by first screwed hole respectively with the roller bearing two ends is connected, and the stationary fixture is used for correspondence and is fastened on bridge
Second screwed hole of the both sides of frame, the first clamping plate and second clamping plate is respectively equipped with the threaded fastener coordinated with its screw thread,
The both sides of the crane span structure are clamped by adjusting the threaded fastener.
Wherein, the second screwed hole of the first clamping plate and second clamping plate is respectively three, three second screwed holes
It is not arranged on the same straight line.
Wherein, the middle part of the roller bearing is polished rod, and the pulley body is on the polished rod.
Wherein, the length of the polished rod is equal to the length of the pulley body.
Wherein, the roller bearing is respectively provided on two sides with the first nut positioned at the pulley body, for preventing the pulley
Body is along the roller bearing play.
Wherein, the threaded fastener is bolt, and the end of the bolt is provided with cushion.
Wherein, the thread segment of the roller bearing is located on the outside of the first clamping plate and second clamping plate and is respectively equipped with the second spiral shell
It is female.
Wherein, the threaded fastener is located on the outside of the first clamping plate and second clamping plate and is respectively equipped with the 3rd nut.
Wherein, the 3rd nut is double nut, and bullet is provided between the 3rd nut and first clamping plate and second clamping plate
Spring pad.
The present invention also provides a kind of crane span structure, including the first supporting plate for being oppositely arranged and the second supporting plate and connection it is described
The base plate of the first supporting plate and the second supporting plate, it also includes crane span structure pulley block described above, the crane span structure pulley block
It is fixedly connected with first supporting plate and the second supporting plate by the stationary fixture correspondence at its two ends.
(3) beneficial effect
Compared with prior art, the present invention has advantages below：
A kind of crane span structure pulley block and crane span structure that the present invention is provided, wherein, crane span structure pulley block includes pulley body, roller bearing
And stationary fixture, the pulley body is located on the roller bearing, be used to place cable in pulley body, it is to avoid cable is direct
Friction is pulled on crane span structure, the breakage rate of cable sheath is greatly reduced, construction quality is improved；The two ends of the roller bearing set respectively
Have a thread segment, the stationary fixture include the first clamping plate being oppositely arranged and second clamping plate and with the first clamping plate, second
The relative position of clamping plate connecting plate connected vertically, the first clamping plate and second clamping plate is equipped with the first screwed hole and the second spiral shell
Pit, the stationary fixture is connected by thread segment of first screwed hole respectively with the roller bearing two ends, the geometrical clamp
Have the both sides that crane span structure is fastened on for correspondence, realize and pulley body is fixed on crane span structure, the first clamping plate and second is pressed from both sides
Second screwed hole of plate is respectively equipped with the threaded fastener coordinated with its screw thread, described by adjusting the threaded fastener clamping
The both sides of crane span structure.Machinery operation, laborsaving, saving of labor more time saving compared to manual work can be used during cable wiring；Operating personnel
Without work high above the ground, personal safety is more secure；Construction is more convenient, is conducive to shortening the duration, reduces labour intensity, increases
Benefit.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of crane span structure pulley block of the invention is arranged on crane span structure；
Fig. 2 is the structural representation of roller bearing in a kind of crane span structure pulley block of the invention；
Fig. 3 is a kind of partial schematic diagram of crane span structure pulley block of the invention；
Fig. 4 is a kind of first clamping plate front view of crane span structure pulley block of the invention；
In figure：1：Roller bearing；11：Thread segment；2：Stationary fixture；21：First clamping plate；22：Second clamping plate；23：Connecting plate；
24：First screwed hole；25：Second screwed hole；3：Pulley body；4：First nut；5：Second nut；6；3rd nut；7：Bullet
Spring pad；8：Threaded fastener；9：Cushion；10：Crane span structure；101：First supporting plate；102：Second supporting plate；103：Base plate.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.Additionally, term " first ", " second ", " the 3rd " etc. be only used for describe purpose, and it is not intended that indicate or
Imply relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Additionally, in the description of the invention, unless otherwise indicated, " multiple ", " many ", " multigroup " be meant that two or
Two or more.
The invention provides a kind of embodiment of crane span structure pulley block, as shown in figure 1, it includes pulley body 3, roller bearing 1
With stationary fixture 2, the pulley body 3 is located on the roller bearing 1, as shown in Fig. 2 the roller bearing 1 is respectively arranged at two ends with
Thread segment 11, pulley body 3 is between two thread segments 11, as shown in figure 3, the stationary fixture 2 includes what is be oppositely arranged
First clamping plate 21 and second clamping plate 22 and with the first clamping plate 21, the connecting plate 23 connected vertically of second clamping plate 22, formed
Portal frame shape, as shown in figure 4, the relative position of the first clamping plate 21 and second clamping plate 22 is equipped with the He of the first screwed hole 24
Second screwed hole 25, stationary fixture 2 described in a pair by first screwed hole 24 respectively with the thread segment at the two ends of the roller bearing 1
11 connections, stationary fixture 2 described in a pair is used for the both sides that correspondence is fastened on crane span structure 10, between first clamping plate 21 and second clamping plate 22
Spacing set more than crane span structure 10 sidewall thickness, to facilitate the crane span structure 10 suitable for different wall, the He of the first clamping plate 21
Second screwed hole 25 of second clamping plate 22 is respectively equipped with the threaded fastener 8 coordinated with its screw thread, tight by adjusting the screw thread
Firmware pushes against the side wall of crane span structure 10 from inside and outside the side wall of crane span structure 10 respectively, to clamp the both sides of the crane span structure 10.Can basis
The distance between the different width of crane span structure 10, adjustment stationary fixture 2, to adapt to the crane span structure 10 of various models.The unwrapping wire of crane span structure 10
Pulley can be fixed on crane span structure 10, and cable is placed in pulley body 3 when cable lays, and machine just can be used directly to be carried out
Traction is laid, and substantially increases operating efficiency, also improves the personal safety of operating personnel, also ensure that the safety of cable.
In embodiments of the invention, as shown in figure 4,25 points of second screwed hole of the first clamping plate 21 and second clamping plate 22
Not You Xuanwei three, three second screwed holes 25 are not arranged on the same straight line, and form the firm arrangement of triangle, and crane span structure 10
It is reliable and stable after connection.
Specifically, the middle part of the roller bearing 1 is polished rod, and the pulley body 3 is located on the polished rod, the length of the polished rod
Degree is preferably equal to the length of the pulley body 3, can ensure that the quick rotation of pulley body 3, reduces friction.
As shown in figure 3, the roller bearing 1 is respectively provided on two sides with the first nut 4, the first nut 4 positioned at the pulley body 3
Thread segment 11 with the two ends of roller bearing 1 is connected, in the scope needed for pulley body 3 is limited in, for preventing the pulley body 3
Along the play of the roller bearing 1.Certainly, for different size of pulley body 3, can be by the first nut of regulation 4 and thread segment 11
Link position, the installation width of adjustable pulley body 3.
Wherein, the threaded fastener 8 is preferably bolt, and the end of the bolt is provided with cushion 9, such as rubber blanket,
The both sides of crane span structure 10 are clamped using rubber blanket, the insulating barrier of crane span structure 10 can be protected not to be destroyed.
Wherein, the thread segment 11 of the roller bearing 1 is located at the first clamping plate 21 and the outside of second clamping plate 22 is respectively equipped with
Second nut 5.The threaded fastener 8 is located at the first clamping plate 21 and the outside of second clamping plate 22 is respectively equipped with the 3rd nut
6.3rd nut 6 is preferably double nut, and spring is provided between the 3rd nut 6 and first clamping plate 21 and second clamping plate 22
Pad 7；For stationary fixture 2 to be securely fixed in into crane span structure 10, it is to avoid cable occurs during dragging at bolt connection
Loosen.
Present invention also offers a kind of crane span structure 10, as shown in figure 1, it includes the first supporting plate 101 being oppositely arranged and
The base plate 103 of two supporting plates 102 and the connection supporting plate 102 of the first supporting plate 101 and second, it also includes described above
The pulley block of crane span structure 10, the pulley block of the crane span structure 10 is by the stationary fixture 2 at its two ends correspondence and first supporting plate
101 are fixedly connected with the second supporting plate 102.Enable that the pulley block of crane span structure 10 is fixed on crane span structure 10, will when cable lays
Cable is placed in pulley body 3, machine just can be used directly carries out traction and lay, and substantially increases operating efficiency, is also improved
The personal safety of operating personnel, also ensure that the safety of cable.
As can be seen from the above embodiments, the present invention can be fixed on crane span structure, improve operating efficiency, improve operation
The personal safety of personnel, also ensure that the safety of cable.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of crane span structure pulley block, it is characterised in that including pulley body, roller bearing and stationary fixture, the pulley body is worn
It is located on the roller bearing, the roller bearing is respectively arranged at two ends with thread segment, and the stationary fixture includes the first folder being oppositely arranged
Plate and second clamping plate and with the first clamping plate, second clamping plate connecting plate connected vertically, the first clamping plate and the second folder
The relative position of plate is equipped with the first screwed hole and the second screwed hole, the stationary fixture by first screwed hole respectively with
The thread segment connection at the roller bearing two ends, the stationary fixture is used for correspondence and is fastened on the both sides of crane span structure, the first clamping plate and
Second screwed hole of second clamping plate is respectively equipped with the threaded fastener coordinated with its screw thread, is pressed from both sides by adjusting the threaded fastener
The both sides of the tight crane span structure.
2. crane span structure pulley block according to claim 1, it is characterised in that the second of the first clamping plate and second clamping plate
Screwed hole is respectively three, and three second screwed holes are not arranged on the same straight line.
3. crane span structure pulley block according to claim 1, it is characterised in that the middle part of the roller bearing is polished rod, the cunning
Wheel body is on the polished rod.
4. crane span structure pulley block according to claim 3, it is characterised in that the length of the polished rod is equal to the pulley sheet
The length of body.
5. crane span structure pulley block according to claim 4, it is characterised in that the roller bearing is located at the two of the pulley body
Side is respectively equipped with the first nut, for preventing the pulley body along the roller bearing play.
6. crane span structure pulley block according to claim 1, it is characterised in that the threaded fastener is bolt, the spiral shell
The end of bolt is provided with cushion.
7. crane span structure pulley block according to claim 1, it is characterised in that the thread segment of the roller bearing is located at described first
The second nut is respectively equipped with the outside of clamping plate and second clamping plate.
8. crane span structure pulley block according to claim 1, it is characterised in that the threaded fastener is located at the described first folder
The 3rd nut is respectively equipped with the outside of plate and second clamping plate.
9. crane span structure pulley block according to claim 8, it is characterised in that the 3rd nut is double nut, described the
Spring shim is provided between three nuts and first clamping plate and second clamping plate.
10. a kind of crane span structure, including the first supporting plate for being oppositely arranged and the second supporting plate and connect first supporting plate with
The base plate of the second supporting plate, it is characterised in that described also including the crane span structure pulley block as described in claim any one of 1-9
Crane span structure pulley block is fixedly connected by the stationary fixture correspondence at its two ends with first supporting plate and the second supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199366.1A CN106684763A (en) | 2016-12-22 | 2016-12-22 | Bridge winding pulley and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199366.1A CN106684763A (en) | 2016-12-22 | 2016-12-22 | Bridge winding pulley and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684763A true CN106684763A (en) | 2017-05-17 |
Family
ID=58870299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199366.1A Pending CN106684763A (en) | 2016-12-22 | 2016-12-22 | Bridge winding pulley and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684763A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553159A (en) * | 2017-08-28 | 2018-01-09 | 江苏昊昱科技咨询有限公司 | One kind prevents cable testing bridge cutting deformation frock |
| CN107658813A (en) * | 2017-10-26 | 2018-02-02 | 宁国市盛邦密封件技术有限公司 | A kind of cable trough |
| CN107689608A (en) * | 2017-10-29 | 2018-02-13 | 江苏鼎荣电气集团有限公司 | A kind of cable testing bridge for being easy to laying |
| CN109560506A (en) * | 2018-09-05 | 2019-04-02 | 六安市新图匠心知识产权运营有限公司 | Cable is laid with auxiliary device |
| CN113007555A (en) * | 2021-03-08 | 2021-06-22 | 山东大学 | Wiring device suitable for cross-hole high-density experiment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09298818A (en) * | 1996-04-30 | 1997-11-18 | Hitachi Plant Eng & Constr Co Ltd | Cable laying device |
| CN102290747A (en) * | 2011-09-01 | 2011-12-21 | 中建五局工业设备安装有限公司 | Auxiliary device for laying cable in horizontal tray and laying method |
| CN202651699U (en) * | 2012-06-08 | 2013-01-02 | 中国石油天然气第七建设公司 | A cable laying bearing sliding dolly |
| CN203813337U (en) * | 2014-04-22 | 2014-09-03 | 中建一局集团安装工程有限公司 | Power cable transmitting apparatus |
| CN105024310A (en) * | 2015-07-30 | 2015-11-04 | 马钢(集团)控股有限公司 | Adjustable slewing bearing device for laying cable bridge |
| CN204992432U (en) * | 2015-09-15 | 2016-01-20 | 上海江南长兴造船有限责任公司 | Auxiliary device that boats and ships cable laying used |
| CN205265154U (en) * | 2015-12-23 | 2016-05-25 | 中国核工业第五建设有限公司 | Pulley type cable laying device |
-
2016
- 2016-12-22 CN CN201611199366.1A patent/CN106684763A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09298818A (en) * | 1996-04-30 | 1997-11-18 | Hitachi Plant Eng & Constr Co Ltd | Cable laying device |
| CN102290747A (en) * | 2011-09-01 | 2011-12-21 | 中建五局工业设备安装有限公司 | Auxiliary device for laying cable in horizontal tray and laying method |
| CN202651699U (en) * | 2012-06-08 | 2013-01-02 | 中国石油天然气第七建设公司 | A cable laying bearing sliding dolly |
| CN203813337U (en) * | 2014-04-22 | 2014-09-03 | 中建一局集团安装工程有限公司 | Power cable transmitting apparatus |
| CN105024310A (en) * | 2015-07-30 | 2015-11-04 | 马钢(集团)控股有限公司 | Adjustable slewing bearing device for laying cable bridge |
| CN204992432U (en) * | 2015-09-15 | 2016-01-20 | 上海江南长兴造船有限责任公司 | Auxiliary device that boats and ships cable laying used |
| CN205265154U (en) * | 2015-12-23 | 2016-05-25 | 中国核工业第五建设有限公司 | Pulley type cable laying device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553159A (en) * | 2017-08-28 | 2018-01-09 | 江苏昊昱科技咨询有限公司 | One kind prevents cable testing bridge cutting deformation frock |
| CN107658813A (en) * | 2017-10-26 | 2018-02-02 | 宁国市盛邦密封件技术有限公司 | A kind of cable trough |
| CN107689608A (en) * | 2017-10-29 | 2018-02-13 | 江苏鼎荣电气集团有限公司 | A kind of cable testing bridge for being easy to laying |
| CN107689608B (en) * | 2017-10-29 | 2020-02-07 | 江苏鼎荣电气集团有限公司 | Cable testing bridge convenient to lay |
| CN109560506A (en) * | 2018-09-05 | 2019-04-02 | 六安市新图匠心知识产权运营有限公司 | Cable is laid with auxiliary device |
| CN109560506B (en) * | 2018-09-05 | 2020-05-05 | 江西亨顺电力科技有限公司 | Auxiliary device for laying cable |
| CN113007555A (en) * | 2021-03-08 | 2021-06-22 | 山东大学 | Wiring device suitable for cross-hole high-density experiment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |