CN210953609U - Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test - Google Patents
Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test Download PDFInfo
- Publication number
- CN210953609U CN210953609U CN201921769797.6U CN201921769797U CN210953609U CN 210953609 U CN210953609 U CN 210953609U CN 201921769797 U CN201921769797 U CN 201921769797U CN 210953609 U CN210953609 U CN 210953609U
- Authority
- CN
- China
- Prior art keywords
- gears
- wire rope
- rack
- steel wire
- wrap angle
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a wrap angle adjusting device for anti-twist steel wire rope bending fatigue test, which is arranged between a power wheel and a driven wheel and used for adjusting the wrap angle formed by the anti-twist steel wire rope on the power wheel and the driven wheel, the wrap angle adjusting device comprises two first gears which are symmetrically arranged on a supporting plate from top to bottom and a rack which is used for driving the first gears to rotate, the first gears are rotationally connected with the supporting plate, and a pulley which is rotationally connected with the first gears is eccentrically arranged on the first gears; the rack is positioned on a symmetrical line between the two first gears, and two sides of the rack are respectively meshed with the first gears and are in sliding connection with the strip holes formed in the supporting plate. The utility model discloses a set up the first gear of rack drive on the line of symmetry between two first gears and rotate to change the centre-to-centre spacing between two pulleys, and then the adjustment prevents turning round wire rope's cornerite, can satisfy and prevent turning round the requirement of the true operating condition of all cornerites of wire rope, and need not interrupt bending fatigue test process when the cornerite adjustment, improved bending fatigue test efficiency.
Description
Technical Field
The utility model relates to a bending fatigue test equipment field, concretely relates to prevent turning round wire rope bending fatigue test with cornerite adjusting device.
Background
The standard of the anti-twisting steel wire rope for tension stringing of the power transmission line is formulated according to the requirements of the Notification of the 2007 industry standard revision and planning of the office of the State development and reform Commission (the letter 1415 of the development and reform industry). The anti-twist steel wire rope is also called as a braided anti-twist steel wire rope, also called as a non-twist steel wire rope or a non-rotating steel wire rope, and is manufactured by regularly braiding a group of single-stranded round strand steel wire ropes twisted in the left direction and the right direction, wherein the left-stranded strand steel wire rope and the right-stranded round strand steel wire rope are equal in quantity and are symmetrically braided, and two helical moments are balanced due to opposite directions, so that the anti-twist steel wire rope has the characteristic of non-rotating. Therefore, the anti-twisting steel wire rope is widely applied to guide ropes, traction ropes and the like for tension paying-off in power transmission line stringing construction.
For the bending fatigue test of the steel wire rope, the structure for the bending fatigue test of the anti-twisting steel wire rope disclosed in the Chinese patent with the application number of CN201721460028.9 finishes the test by driving the driven wheel to move along the connecting line direction of the central points between the power wheel and the driven wheel through the second driving device to load. During testing, the wrap angle of the anti-torsion steel wire rope is adjusted by replacing driven wheels with different diameters, but the method for changing the wrap angle has limited effect, cannot completely meet the requirement of the real working state of all wrap angles of the anti-torsion steel wire rope in the power transformation industry, and needs to interrupt the testing process when the driven wheels are replaced, so that time is consumed, and the testing efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model aims at providing a prevent turning round wire rope bending fatigue test with cornerite adjusting device, the pulley block who is used for forming the cornerite is arranged between power wheel and the follow driving wheel in the current experimental structure setting of replacement, it is limited with the method effect of changing the cornerite from the driving wheel through changing different diameters among the solution prior art, can not reach the requirement that the transformer trade prevents turning round all real operating condition of cornerite completely, and need interrupt test process when changing from the driving wheel, it is consuming time relatively, the problem of efficiency of the test has been reduced.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test, locate between power wheel and driven wheel, be used for adjusting the wrap angle that anti-torsion steel wire rope formed on the power wheel and the driven wheel, this wrap angle adjusting device includes that the longitudinal symmetry locates two first gears on the backup pad and is used for driving the rack of first gear rotation, first gear with the backup pad rotate to be connected, on it eccentric be equipped with rather than rotate the pulley of being connected; the rack is positioned on a symmetrical line between the two first gears, and two sides of the rack are respectively meshed with the first gears and are in sliding connection with the strip holes formed in the supporting plate.
Furthermore, the cross section of the rack is of an I-shaped structure, and the rack is provided with two side face tooth forms and a back face tooth form, and the side face tooth forms of the rack are meshed with the first gear.
Further, the rack is connected with a driving box arranged on the back of the supporting plate through a back tooth type of the rack, and the driving box is used for driving the rack to slide in the long hole.
Further, the drive box comprises a box body, a motor, a clutch and a second gear, wherein the motor, the clutch and the second gear are arranged in the box body and are sequentially connected, and the second gear is meshed with the back face tooth profile of the rack.
Further, a button for controlling the starting and stopping of the motor is installed on the outer side wall of the box body, and the button is electrically connected with the clutch.
Further, the clutch is an electromagnetic clutch.
Furthermore, a jack corresponding to the middle of the second gear is formed in the top end of the box body, a manual rocker is connected in the jack in a rotating mode, and the manual rocker penetrates through the jack in a sliding mode and is detachably connected with the second gear.
Furthermore, the power wheel is positioned on a symmetrical line between the two first gears and is rotationally connected with the waist-shaped hole formed in the supporting plate.
Compared with the prior art, the utility model provides a prevent turning round wire rope bending fatigue test with cornerite adjusting device has following beneficial effect:
1. the rack arranged on the symmetrical line between the two first gears drives the first gears to rotate, so that the center distance between the two pulleys is changed, the wrap angle of the anti-torsion steel wire rope is adjusted, the requirements of the real working state of all wrap angles of the anti-torsion steel wire rope can be met, the bending fatigue test process is not interrupted when the wrap angle is adjusted, and the bending fatigue test efficiency is improved;
2. the manual rocker is matched with the motor for use, so that the wrap angle adjusting device can continuously finish the adjustment of the wrap angle of the anti-torsion steel wire rope when the motor fails, the continuity of a bending fatigue test is ensured, and the bending fatigue test efficiency is further improved;
3. the purpose of adjusting the wrap angle of the anti-twisting steel wire rope can be achieved by changing the position of the power wheel relative to the first gear from front to back through the waist-shaped hole.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic sectional view along the direction of a-a in fig. 1.
The reference numerals are explained below:
1: and a power wheel 2: support plate 21: rectangular hole
22: waist-shaped hole 3: first gear 4: rack bar
5: pulley 6: drive case 61: box body
62: the motor 63: the clutch 64: second gear
65: button 66: the manual rocker 7: anti-twisting steel wire rope
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1-2, the utility model provides a wrap angle adjusting device for anti-twisting steel wire rope bending fatigue test, which is arranged between a power wheel 1 and a driven wheel (not shown in the figure) and used for adjusting the wrap angle formed by an anti-twisting steel wire rope 7 on the power wheel 1 and the driven wheel, and comprises two first gears 3 which are arranged on a support plate 2 in an up-and-down symmetrical manner and a rack 4 used for driving the first gears 3 to rotate, wherein the first gears 3 are rotatably connected with the support plate 2, and a pulley 5 which is rotatably connected with the first gears is eccentrically arranged on the first gears 3; the rack 4 is located on the symmetry line between the two first gears 3, and two sides of the rack are respectively meshed with the first gears 3 and are in sliding connection with the strip holes 21 formed in the support plate 2. The first gear is driven to rotate through the sliding of the rack, so that the center distance between the two pulleys is changed, the wrap angle of the anti-twisting steel wire rope is adjusted, the requirement of the real working state of all wrap angles of the anti-twisting steel wire rope can be met, the bending fatigue test process is not required to be interrupted when the wrap angle is adjusted, and the bending fatigue test efficiency is improved.
As shown in fig. 2, the cross section of the rack 4 is of an i-shaped structure, and has two side-face tooth forms and a back-face tooth form, and the side-face tooth form of the rack 4 is meshed with the first gear 3; the rack 4 is connected with a driving box 6 arranged on the back of the supporting plate 2 through the back tooth type, and the driving box 6 is used for driving the rack 4 to slide in the long hole 21.
The driving box 6 comprises a box body 61, and a motor 62, a clutch 63 and a second gear 64 which are arranged in the box body 61 and are sequentially connected, wherein the second gear 64 is meshed with the back teeth of the rack 4; and a button 65 for controlling the start and stop of the motor 62 is arranged on the outer side wall of the box body 61, and the button 65 is electrically connected with the clutch 63. In operation, the button 65 is pressed, the motor 62 is turned on, and the clutch 63 is engaged, thereby driving the second gear 64 to rotate. In the present embodiment, the clutch 63 is an electromagnetic clutch.
The top end of the box body 61 is provided with a jack corresponding to the middle part of the second gear 64, a manual rocker 66 is connected in the jack in a rotating mode, and the manual rocker 66 is detachably connected with the second gear 64 after sliding through the jack. In the event of a motor failure, the manual rocker 66 is pushed inward and the clutch 63 is kept disconnected (i.e., de-energized), so that the manual rocker 66 is connected to the second gear 64, and then the manual rocker 66 is rotated to complete the manual adjustment of the anti-twisting wire rope wrap angle. The manual rocker and the motor are matched for use, so that the wrap angle adjusting device can continuously complete the adjustment of the wrap angle of the anti-torsion steel wire rope when the motor fails, the continuity of the bending fatigue test is ensured, and the bending fatigue test efficiency is further improved.
As shown in fig. 1, the power wheel 1 is located on the symmetry line between the two first gears 3 and is rotatably connected with a kidney-shaped hole 22 formed in the support plate 2. The purpose of adjusting the wrap angle of the anti-twisting steel wire rope can be achieved by changing the position of the power wheel relative to the first gear from front to back through the waist-shaped hole.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A wrap angle adjusting device for a bending fatigue test of an anti-twist steel wire rope is arranged between a power wheel and a driven wheel and used for adjusting a wrap angle formed by the anti-twist steel wire rope on the power wheel and the driven wheel, and is characterized by comprising two first gears and a rack, wherein the two first gears are symmetrically arranged on a supporting plate from top to bottom, the rack is used for driving the first gears to rotate, the first gears are rotatably connected with the supporting plate, and pulleys rotatably connected with the first gears are eccentrically arranged on the first gears; the rack is positioned on a symmetrical line between the two first gears, and two sides of the rack are respectively meshed with the first gears and are in sliding connection with the strip holes formed in the supporting plate.
2. The wrap angle adjusting apparatus for a bending fatigue test of a torsion-proof steel wire rope according to claim 1, wherein the cross section of the rack has an i-shaped like structure having a side profile and a back profile, and the side profile of the rack is engaged with the first gear.
3. The wrap angle adjusting apparatus for a bending fatigue test of a torsion-proof steel wire rope according to claim 2, wherein the rack is connected to a driving box installed on a back surface of the support plate through a back surface tooth form of the rack, and the driving box is configured to drive the rack to slide in the elongated hole.
4. The wrap angle adjusting device for the anti-twisting steel wire rope bending fatigue test according to claim 3, wherein the driving box comprises a box body, and a motor, a clutch and a second gear which are arranged in the box body and are sequentially connected, and the second gear is meshed with the back tooth profile of the rack.
5. The wrap angle adjusting device for the anti-twisting steel wire rope bending fatigue test according to claim 4, wherein a button for controlling the motor to start and stop is installed on the outer side wall of the box body, and the button is electrically connected with the clutch.
6. The wrap angle adjusting device for the bending fatigue test of the anti-twisting steel wire rope according to claim 4 or 5, wherein the clutch is an electromagnetic clutch.
7. The wrap angle adjusting device for the bending fatigue test of the anti-torsion steel wire rope according to claim 4 or 5, wherein a jack corresponding to the middle part of the second gear is formed in the top end of the box body, a manual rocker is rotatably connected in the jack, and the manual rocker is detachably connected with the second gear after sliding through the jack.
8. The wrap angle adjusting device for the bending fatigue test of the anti-twist steel wire rope according to claim 1, wherein the power wheel is positioned on a symmetrical line between the two first gears and is rotatably connected with a waist-shaped hole formed in the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769797.6U CN210953609U (en) | 2019-10-21 | 2019-10-21 | Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769797.6U CN210953609U (en) | 2019-10-21 | 2019-10-21 | Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953609U true CN210953609U (en) | 2020-07-07 |
Family
ID=71374309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921769797.6U Expired - Fee Related CN210953609U (en) | 2019-10-21 | 2019-10-21 | Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858057A (en) * | 2021-01-26 | 2021-05-28 | 无锡市时捷钢绳有限公司 | Steel wire rope bending fatigue test equipment |
-
2019
- 2019-10-21 CN CN201921769797.6U patent/CN210953609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858057A (en) * | 2021-01-26 | 2021-05-28 | 无锡市时捷钢绳有限公司 | Steel wire rope bending fatigue test equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103632768B (en) | A kind of cable production line and method of work thereof | |
| CN210953609U (en) | Wrap angle adjusting device for anti-torsion steel wire rope bending fatigue test | |
| CN100387773C (en) | General purpose type wire stranding machine | |
| CN103990744B (en) | A kind of laminated type bar straightener | |
| CN113265891A (en) | Steel wire rope synthesizer | |
| CN204400305U (en) | A kind of double cable unwinding device | |
| CN103021578A (en) | Lateral-bottom-fed coil loading machine with hydraulic rocker-slider mechanism | |
| CN215854797U (en) | Reel wire rope anticreep device | |
| CN109036723A (en) | A kind of cable strand device | |
| CN108584509A (en) | A kind of steel bar horizontal conveyance device | |
| CN109928315A (en) | A kind of Construction of Steel Structure boom hoisting | |
| CN203333967U (en) | Rope making device | |
| EP3114067B1 (en) | Drive with multiple linking element for an elevator system | |
| CN216302917U (en) | Double-character wheel wire rewinding machine | |
| CN111893786B (en) | Track-changing type anti-twisting steel wire rope braiding machine | |
| CN202996426U (en) | Hydraulic rocker slider side-below loading machine | |
| CN103334613B (en) | Lifting and transmission mechanism for stereoscopic parking equipment | |
| KR20110126890A (en) | Steel wire inserting apparatus | |
| CN211446379U (en) | Steel wire rope stranding device | |
| CN210797075U (en) | Steel strand stranding machine | |
| CN210737386U (en) | Online pre-tensioning device for steel strand | |
| CN103255574B (en) | Cable manufacturing equipment | |
| DE911777C (en) | Device for conveying loads by means of two endless transport chains, which are stored in a drive housing in parallel interaction and run over drive wheels | |
| CN106436397A (en) | Prestress steel strand winding and unwinding device | |
| KR20120080318A (en) | Cable laid manufacturing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211021 |