CN205257823U - Device and port crane are changed to round pin axle - Google Patents
Device and port crane are changed to round pin axle Download PDFInfo
- Publication number
- CN205257823U CN205257823U CN201521103896.2U CN201521103896U CN205257823U CN 205257823 U CN205257823 U CN 205257823U CN 201521103896 U CN201521103896 U CN 201521103896U CN 205257823 U CN205257823 U CN 205257823U
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- CN
- China
- Prior art keywords
- bearing
- shaft hole
- bearing pin
- crossbeam
- pin
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a device and port crane are changed to round pin axle is provided with round pin axle otic placode at the front crossbeam tip, has seted up first round pin shaft hole on round pin axle otic placode, has seted up second round pin shaft hole on the girder of back, and the round pin axle inserts in first round pin shaft hole and the second round pin shaft hole, install the support that is used for supporting front crossbeam on the girder of back, the support is located second round pin shaft hole below, is provided with the holding surface that is used for supporting front crossbeam on the support, holding surface and the outer fringe curved surface cooperation of selling the axle otic placode. The utility model discloses a support supports front crossbeam, has not only alleviateed the atress of selling the axle, has prolonged a round pin axle life, is changing moreover when selling the axle, and convenient and fast has alleviateed and has changed the amount of labour of round pin axle and improved the operating efficiency.
Description
Technical field
The utility model relates to mechanical field, particularly more changing device and portal crane of a kind of bearing pin.
Background technology
Bank bridge crane is because of service load, and frequency is larger, long-time after, the pin that front crossbeam and rear crossbeam are hingedAxle has wearing and tearing in various degree, or in the time doing pitching action, vibration, abnormal sound, need to change. Bearing pin because ofWithout impetus, and front crossbeam weight is large, need to be by welding tooling, realize the replacing of bearing pin, and require great effort, takeTime. The replacing method of patent CN201410083477 reclaimer pitching hinge bearing, is used jack to realizeOff-load. Adopt jack or Site Welding frock, have following shortcoming: 1, because near space bearing pin is little,And front crossbeam weight is larger, spendable jack size is limited; 2, use jack or field fabricationFrock, unstable or have a potential safety hazard.
Utility model content
In view of this, the utility model proposes more changing device and portal crane of a kind of bearing pin, realize convenient fastThe prompt bearing pin of changing, alleviates the stressed amount of labour with alleviating replacing bearing pin of bearing pin, improves operating efficiency.
On the one hand, the utility model provides more changing device of a kind of bearing pin, is provided with bearing pin in front large beam endOtic placode offers the first pin shaft hole on bearing pin otic placode, offers the second pin shaft hole, bearing pin on rear crossbeamInsert in the first pin shaft hole and the second pin shaft hole; Bearing for crossbeam before supporting is installed on rear crossbeam,Bearing is positioned at the second pin shaft hole below, is provided with the supporting surface for crossbeam before supporting, supporting surface on bearingCoordinate with the outer rim curved surface of bearing pin otic placode.
Further, offer upwardly extending chute on rear crossbeam, bearing is arranged on chute, bearingChute moves up relatively.
Further, on rear crossbeam, wedge is installed, wedge is positioned at bearing below, wedge upperSurface coordinates with the lower surface of bearing.
Further, the upper surface of wedge is wedge inclined plane, and the lower surface of bearing is bearing inclined plane,Wedge inclined plane coordinates with bearing inclined plane.
Further, the drive unit for driving wedge to move forward and backward is installed on rear crossbeam, drivesDevice is connected with wedge.
Further, on rear crossbeam, limited block is installed, limited block is arranged on the front of bearing.
Further, the distance at outer rim curved surface to the first pin shaft hole center raises gradually.
Further, outer rim curved surface comprises outer rim plane and outer rim arc surface, outer rim plane to the first pin shaft holeThe distance at center is less than the distance at outer rim arc surface to the first pin shaft hole center.
In addition, the utility model also provides a kind of portal crane, comprises more changing device of above-mentioned bearing pin.
More changing device and portal crane of a kind of bearing pin that the utility model provides, adopts the front crossbeam of seat supports,Not only alleviate the stressed of bearing pin, extended bearing pin service life, and in the time changing bearing pin, it is convenient and swift,Alleviate and changed the amount of labour of bearing pin and improved operating efficiency.
Brief description of the drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, thisThe schematic description and description of utility model is used for explaining the utility model, does not form this practicality newThe improper restriction of type. In the accompanying drawings:
Fig. 1 is portal crane level schematic diagram of the present utility model;
Fig. 2 is portal crane pitch attitude schematic diagram of the present utility model;
Fig. 3 is more changing device schematic diagram of the first embodiment bearing pin of the present utility model;
Fig. 4 is more changing device schematic diagram of the second embodiment bearing pin of the present utility model.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, in the embodiment in the utility model and embodimentFeature can combine mutually. Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Below in conjunction with Fig. 1 to 4, preferred embodiment of the present utility model is described in further detail,
As shown in Figure 1, the preferred portal crane of the utility model, on support 1, be provided with level afterCrossbeam 2, front crossbeam 3 is connected with rear crossbeam 2, is also provided with safety door hook 4 and drives on portal craneThe steel wire rope of front crossbeam 3 pitching actions. Fig. 1 be the front crossbeam 3 of portal crane in level, asFig. 2 be the front crossbeam 3 of portal crane in pitching limiting condition, safety door hook 4 is locked front crossbeam 3,Prevent that front crossbeam 3 from falling down. Front crossbeam 3 is under the driving of steel wire rope, hinged with rear crossbeam 2 around front crossbeam 3Bearing pin 5 rotate, crossbeam 3 pitching actions before realizing.
As shown in Figure 3, be provided with bearing pin otic placode 30 in front crossbeam 3 ends, on bearing pin otic placode 30, offerHave the first pin shaft hole, on rear crossbeam 2, offer the second pin shaft hole, bearing pin 5 inserts the first pin shaft hole andIn two pin shaft holes; Bearing 7 for crossbeam before supporting 3 is installed on rear crossbeam 2, and bearing 7 is positioned atTwo pin shaft hole belows are provided with the supporting surface 70 for crossbeam before supporting 3, supporting surface 70 on bearing 7Coordinate with the outer rim curved surface 300 of bearing pin otic placode 30.
Front crossbeam 3 is in the time doing pitching action, and bearing 7 not only can support front crossbeam 3, alleviates bearing pin 5 and is subject toPower, reduces bearing pin 5 and weares and teares, crossbeam 3 pitching action vibration and abnormal sounds before reducing. And changing bearing pin 5Time, due to the supporting role of bearing 7, can convenient and swift replacing bearing pin 5, alleviate the difficulty of changing bearing pin 5Efficiency is changed in degree and raising.
As shown in Figure 3, the more changing device of the first embodiment bearing pin that the utility model provides, on rear crossbeam 2Limited block 6 is installed, and limited block 6 is arranged on the front of bearing 7. On rear crossbeam 2, wedge 8 is installed,Wedge 8 is positioned at bearing 7 belows, and the upper surface of wedge 8 coordinates with the lower surface of bearing 7. Wedge8 upper surface is wedge inclined plane, and the lower surface of bearing 7 is bearing inclined plane, wedge inclined plane withBearing inclined plane coordinates. On rear crossbeam 2, the drive unit for driving wedge 8 to move forward and backward is installed9, drive unit 9 is connected with wedge 8. Drive unit 9 can adopt hydraulic jack or cylinder or screw machineStructure etc.
When extreme position is arrived in current crossbeam 3 pitching, front crossbeam 3 is locked by safety door hook 4, front crossbeam 3In the time of locking state (state as shown in Figure 2), drive unit 9 promotes wedge 8 and travels forward, wedge shapePiece 8 promotes bearing 7 and moves upward, and by front crossbeam 3 jack-up, then removes old bearing pin 5, more then insertsEnter new bearing pin 5, last drive unit 9 promotes wedge 8 and moves backward, and front crossbeam 3 puts down, bearing pin 5Replacing completes. Limited block 6 carries out spacing to bearing 7. In whole replacing bearing pin 5 processes, convenient and swift,Alleviate and changed the amount of labour of bearing pin 5 and improved operating efficiency.
In addition, in order to facilitate upwards jack-up of bearing 7, can on rear crossbeam 2, offer upwardly extending chute,Bearing 7 is arranged on chute, and bearing 7 relatively chute moves up.
As shown in Figure 4, the more changing device of the second embodiment bearing pin that the utility model provides, with respect to Fig. 3'sThe first embodiment bearing pin more changing device difference is: omitted wedge 8 and drive unit 9 and limited block 6.The outer rim curved surface 300 of bearing pin otic placode 30 adopts polymorphic structure. As shown in Figure 4, outside outer rim curved surface 300 comprisesEdge plane 3000 and outer rim arc surface 3001, the distance at outer rim plane 3000 to first pin shaft hole centers is less thanThe distance at outer rim arc surface 3001 to first pin shaft hole centers. Namely outer rim curved surface 300 to first pin shaft holesThe distance at center raises gradually.
When current crossbeam 3 does pitching action, front crossbeam 3 rotates up around bearing pin 5 center lines, outer rim circular arcFace 3001 enters in bearing 7, because bearing 7 is fixed on rear crossbeam 2, and outer rim plane 3000 to firstThe distance L 1 at pin shaft hole center is less than the distance L 2 at outer rim arc surface 3001 to first pin shaft hole centers, makesUpwards jack-up of front crossbeam 3, now can remove old bearing pin 5, then inserts new bearing pin 5, more wholeChange in bearing pin 5 processes, convenient and swift, alleviate and changed the amount of labour of bearing pin 5 and improved operating efficiency.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., allWithin should being included in protection domain of the present utility model.
Claims (9)
1. a more changing device of bearing pin, is characterized in that, is provided with bearing pin otic placode in front crossbeam (3) end(30), on bearing pin otic placode (30), offer the first pin shaft hole, on rear crossbeam (2), offer secondPin shaft hole, bearing pin (5) inserts in the first pin shaft hole and the second pin shaft hole; On rear crossbeam (2), be provided withBe used for supporting the bearing (7) of front crossbeam (3), bearing (7) is positioned at the second pin shaft hole below, in bearing (7)On be provided with the supporting surface (70) for supporting front crossbeam (3), supporting surface (70) and bearing pin otic placode (30)Outer rim curved surface (300) coordinate.
2. more changing device of bearing pin according to claim 1, is characterized in that, on rear crossbeam (2)Offer upwardly extending chute, bearing (7) is arranged on chute, and chute is upwards relatively for bearing (7)Mobile.
3. more changing device of bearing pin according to claim 2, is characterized in that, on rear crossbeam (2)Wedge (8) is installed, and wedge (8) is positioned at bearing (7) below, the upper surface of wedge (8) withThe lower surface of bearing (7) coordinates.
4. more changing device of bearing pin according to claim 3, is characterized in that, wedge (8) upperSurface is wedge inclined plane, and the lower surface of bearing (7) is bearing inclined plane, wedge inclined plane and bearingInclined plane coordinates.
5. more changing device of bearing pin according to claim 4, is characterized in that, on rear crossbeam (2)Drive unit (9) for driving wedge (8) to move forward and backward is installed, drive unit (9) and wedge shapePiece (8) connects.
6. according to the more changing device of bearing pin described in claim 1 to 5 any one, it is characterized in that, rearLimited block (6) is installed on crossbeam (2), and limited block (6) is arranged on the front of bearing (7).
7. more changing device of bearing pin according to claim 1, is characterized in that, outer rim curved surface (300)Distance to the first pin shaft hole center raises gradually.
8. more changing device of bearing pin according to claim 7, is characterized in that, outer rim curved surface (300)Comprise outer rim plane (3000) and outer rim arc surface (3001), outer rim plane (3000) is to the first pin shaft holeThe distance (L1) at center is less than the distance (L2) of outer rim arc surface (3001) to the first pin shaft hole center.
9. a portal crane, is characterized in that, comprises as described in claim 1 to 8 any oneBearing pin is changing device more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103896.2U CN205257823U (en) | 2015-12-24 | 2015-12-24 | Device and port crane are changed to round pin axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103896.2U CN205257823U (en) | 2015-12-24 | 2015-12-24 | Device and port crane are changed to round pin axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205257823U true CN205257823U (en) | 2016-05-25 |
Family
ID=55999364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103896.2U Withdrawn - After Issue CN205257823U (en) | 2015-12-24 | 2015-12-24 | Device and port crane are changed to round pin axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205257823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398973A (en) * | 2015-12-24 | 2016-03-16 | 三一海洋重工有限公司 | Pin shaft replacement device and port crane |
| CN105996522A (en) * | 2016-06-22 | 2016-10-12 | 邱艳 | Environment-friendly manual massaging resting chair |
-
2015
- 2015-12-24 CN CN201521103896.2U patent/CN205257823U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398973A (en) * | 2015-12-24 | 2016-03-16 | 三一海洋重工有限公司 | Pin shaft replacement device and port crane |
| CN105996522A (en) * | 2016-06-22 | 2016-10-12 | 邱艳 | Environment-friendly manual massaging resting chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20171121 |
|
| AV01 | Patent right actively abandoned |