CN110805599A - Quick-release connecting pin shaft for hydraulic grab bucket - Google Patents
Quick-release connecting pin shaft for hydraulic grab bucket Download PDFInfo
- Publication number
- CN110805599A CN110805599A CN201910967539.7A CN201910967539A CN110805599A CN 110805599 A CN110805599 A CN 110805599A CN 201910967539 A CN201910967539 A CN 201910967539A CN 110805599 A CN110805599 A CN 110805599A
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- Prior art keywords
- pin shaft
- hole
- ring
- tapered
- quick
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- 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
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of hydraulic grab buckets, and provides a quick-release connecting pin shaft for a hydraulic grab bucket, which comprises: the connecting joint is provided with a pin shaft hole; the connecting ring is movably inserted into the pin shaft hole and is in clearance fit with the pin shaft hole, and a tapered hole is formed in the connecting ring; the conical pin shaft is movably inserted into the conical hole; when the tapered pin shaft moves forwards in the tapered hole, the first half ring and the second half ring can be driven to be away from each other and abut against the inner wall of the pin shaft hole; when the tapered pin shaft moves backwards in the tapered hole, the first half ring can be close to the second half ring. Compared with the prior art, the quick-release connecting pin shaft for the hydraulic grab bucket has the advantages that the connecting ring can be conveniently pulled out of the pin shaft hole in the quick-release connecting pin shaft, the disassembly and the assembly are convenient, the disassembly and the assembly time is saved, and the disassembly and the assembly efficiency are improved.
Description
Technical Field
The invention belongs to the field of hydraulic grab buckets, and particularly relates to a quick-release connecting pin shaft for a hydraulic grab bucket.
Background
The essential part of round pin hub connection in engineering machine manufacturing trade, the variety is also various also becomes the standardization for many kinds, mainly used two parts's articulated department, constitute hinged joint and can bear horizontal load, but the machining precision requires highly, be the important structure of engineering machine tool equipment construction, especially adopt bolt and round pin axle mode such as be connected between each part on the hydraulic grab bucket, in order to guarantee the stability of round pin axle, the round pin axle adopts interference fit with round pin shaft hole usually, under the normal condition, need the round pin axle to detach the pinhole completely when hinged joint structure dismantles, but can take place micro-deformation back or rust scheduling problem after the round pin axle atress in the middle of the use, lead to the round pin axle can't pull out the pinhole completely, lead to hinged joint structure dismantlement difficulty. In order to be convenient to disassemble and assemble and save time and improve the working efficiency, a novel quick disassembling pin shaft is developed.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a quick-release connecting pin shaft for a hydraulic grab bucket.
The technical scheme adopted by the invention for solving the technical problems is as follows: a quick detach formula connecting pin axle for hydraulic grab is proposed, includes: the connecting joint is provided with a pin shaft hole;
the connecting ring is movably inserted into the pin shaft hole and is in clearance fit with the pin shaft hole, and a tapered hole is formed in the connecting ring;
the conical pin shaft is movably inserted into the conical hole;
when the tapered pin shaft moves forwards in the tapered hole, the first half ring and the second half ring can be driven to be away from each other and abut against the inner wall of the pin shaft hole;
when the tapered pin shaft moves backwards in the tapered hole, the first half ring can be close to the second half ring.
In the quick-release connecting pin shaft for the hydraulic grab bucket, the inner walls of the first semi-ring and the second semi-ring are respectively provided with a plurality of first semicircular screw holes, the outer wall of the conical pin shaft is provided with a plurality of second semicircular screw holes, each second semicircular screw hole and the corresponding first semicircular screw hole form a bolt hole, and a stud is arranged in each bolt hole.
In the quick-release connecting pin shaft for the hydraulic grab, the two ends of the conical pin shaft are provided with connecting screw holes.
In the quick-release connecting pin shaft for the hydraulic grab, the end part of the connecting ring is provided with a stop ring, and the stop ring is movably abutted against the side surface of the connecting joint.
In the above quick-release connecting pin shaft for the hydraulic grab, the taper angle of the taper hole is 2.5 degrees.
Compared with the prior art, the quick-release connecting pin shaft for the hydraulic grab bucket has the advantages that the connecting ring can be conveniently pulled out of the pin shaft hole in the quick-release connecting pin shaft, the disassembly and the assembly are convenient, the disassembly and the assembly time is saved, and the disassembly and the assembly efficiency are improved.
Drawings
FIG. 1 is a front view of the quick release type connecting pin shaft for a hydraulic grab;
FIG. 2 is a cross-sectional view of the quick release coupler pin of the present invention for use in a hydraulic grab;
FIG. 3 is a view of the first and second halves when they are moved away from each other;
FIG. 4 is a view of the first and second halves in position adjacent one another;
fig. 5 is a cross-sectional view of a tapered pin.
In the figure, a connecting joint 1, a pin shaft hole 2, a first semi-ring 3, a second semi-ring 4, a tapered pin shaft 5, a first semicircular screw hole 6, a second semicircular screw hole 7, a stud 8, a connecting screw hole 9, a stop ring 10 and a tapered hole 11.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the quick release type connecting pin for a hydraulic grab comprises: a connecting joint 1 provided with a pin shaft hole 2; the connecting ring is composed of a first half ring 3 and a second half ring 4, is movably inserted into the pin shaft hole 2 and is in clearance fit with the pin shaft hole 2, and a tapered hole 11 is formed in the connecting ring; the conical pin shaft 5 is movably inserted in the conical hole 11; when the tapered pin shaft 5 moves forwards in the tapered hole 11, the first half ring 3 and the second half ring 4 can be driven to be away from each other and abut against the inner wall of the pin shaft hole 2; when the tapered pin 5 moves backward in the tapered hole 11, the first half ring 3 can approach the second half ring 4.
The first half ring 3 and the second half ring 4 form a connecting ring, when the tapered pin shaft 5 is not inserted into the tapered hole 11, the connecting ring is inserted into the pin shaft hole 2 and is in clearance fit with the pin shaft hole 2, at the moment, the connecting ring can be easily pulled out or inserted into the pin shaft hole 2, the tapered hole 11 is formed in the connecting ring, the tapered pin shaft 5 is inserted into the tapered hole 11, the outer side surface of the tapered pin shaft 5 is respectively abutted against the inner side surfaces of the first half ring 3 and the second half ring 4, along with the deep movement of the tapered pin shaft 5 into the tapered hole 11, the outer side surface of the tapered pin shaft 5 can drive the first half ring 3 and the second half ring 4 to be away from each other, so that the first half ring 3 and the second half ring 4 can be abutted against the inner wall of the pin shaft hole 2, the connecting ring and the pin shaft hole 2 form interference fit, when the first half ring 3 and the second half ring 4 are abutted against the inside of the pin shaft hole 2, the, that is, the first half ring 3 and the second half ring 4 are separated, thereby enabling the normal function of the coupling pin structure.
During practical period, go-between and taper pin axle 5 can take place micro deformation or rust with the atress, at this moment if need dismantle the go-between, then only need with taper pin axle 5 pulling backward, taper pin axle 5 no longer makes first semi-ring 3 and second semi-ring 4 support the inner wall in tight round pin shaft hole 2 this moment, and then the go-between that first semi-ring 3 and second semi-ring 4 are constituteed is changed clearance fit into once more by interference fit with the inner wall in round pin shaft hole 2, and then can conveniently outwards take out the go-between, after the go-between takes out, taper pin axle 5 just can take out easily in round pin shaft hole 2.
Compare in the connected mode of traditional round pin axle and pinhole, this application need not once only to take out tapered pin axle 5 completely from round pin axle hole 2, but through tapered pin axle 5 forward or backward movement, change the cooperation mode of go-between and round pin axle hole 2 inner wall, reach the purpose that makes things convenient for the go-between to take out or insert in round pin axle hole 2, and when taking out the go-between, tapered pin axle 5 only needs slight backward movement, can conveniently take out the go-between, need not to take out whole tapered pin axle 5 from tapered hole 11, tapered pin axle 5's dismouting time has been saved to a very big extent, the efficiency of the dismouting is improved.
The inner walls of the first semi-ring 3 and the second semi-ring 4 are provided with a plurality of first semicircular screw holes 6, a plurality of second semicircular screw holes 7 are formed in the outer wall of the conical pin shaft 5, each second semicircular screw hole 7 and the corresponding first semicircular screw hole 6 form a bolt hole, and a stud 8 is arranged in each bolt hole.
The first semicircular screw hole 6 and the second semicircular screw hole 7 form a bolt hole, and the stud 8 is arranged in the bolt hole, so that the conical pin shaft 5 and the connecting ring can be fixed, the conical pin shaft 5 is prevented from being separated from the connecting ring due to axial force during work, the connecting ring is in interference fit with the inner wall of the pin shaft hole 2, and the connecting ring cannot be easily separated from the pin shaft hole 2.
Connecting screw holes 9 are formed in two ends of the conical pin shaft 5, and the connecting screw holes 9 are used for being connected with external bolts, so that forward or backward force can be conveniently applied to the conical pin shaft 5.
The go-between tip is provided with backstop ring 10, and backstop ring 10 activity is leaned on in connecting joint 1 side, and when installing the go-between in to cotter pin shaft hole 2, the go-between gets into to certain degree of depth after, backstop ring 10 can lean on in connecting joint 1 side, and then the depth of insertion of idle go-between in cotter pin shaft hole 2.
The taper angle of the tapered hole 11 is 2.5 degrees.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.
Claims (5)
1. The utility model provides a quick detach formula connecting pin axle for hydraulic grab, its characterized in that includes:
the connecting joint is provided with a pin shaft hole;
the connecting ring is movably inserted into the pin shaft hole and is in clearance fit with the pin shaft hole, and a tapered hole is formed in the connecting ring;
the conical pin shaft is movably inserted into the conical hole;
when the tapered pin shaft moves forwards in the tapered hole, the first half ring and the second half ring can be driven to be away from each other and abut against the inner wall of the pin shaft hole;
when the tapered pin shaft moves backwards in the tapered hole, the first half ring can be close to the second half ring.
2. The quick-release connecting pin shaft for the hydraulic grab bucket according to claim 1, wherein a plurality of first semicircular screw holes are formed in the inner walls of the first semi-ring and the second semi-ring, a plurality of second semicircular screw holes are formed in the outer wall of the tapered pin shaft, each second semicircular screw hole and the corresponding first semicircular screw hole form a bolt hole, and a stud is arranged in each bolt hole.
3. The quick-release connecting pin shaft for the hydraulic grab bucket according to claim 1, wherein connecting screw holes are formed at two ends of the conical pin shaft.
4. The quick release type connecting pin shaft for the hydraulic grab bucket according to claim 1, wherein the connecting ring end is provided with a stop ring, and the stop ring is movably abutted against the side surface of the connecting joint.
5. The quick release connecting pin for hydraulic grab bucket according to claim 1, wherein the taper angle of the tapered hole is 2.5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967539.7A CN110805599A (en) | 2019-10-12 | 2019-10-12 | Quick-release connecting pin shaft for hydraulic grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967539.7A CN110805599A (en) | 2019-10-12 | 2019-10-12 | Quick-release connecting pin shaft for hydraulic grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110805599A true CN110805599A (en) | 2020-02-18 |
Family
ID=69488221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967539.7A Pending CN110805599A (en) | 2019-10-12 | 2019-10-12 | Quick-release connecting pin shaft for hydraulic grab bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110805599A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB811993A (en) * | 1954-09-24 | 1959-04-15 | Thos Storey Eng Ltd | A new or improved connecting pin for structural members |
| CN2061227U (en) * | 1990-01-13 | 1990-08-29 | 湘潭市顺风空调环保设备厂 | Mechanical transmission device with removable shaft coupling piece |
| CN201568422U (en) * | 2009-11-05 | 2010-09-01 | 无锡创明传动工程有限公司 | Conical bolt component |
| CN202560854U (en) * | 2012-05-25 | 2012-11-28 | 四川眉山强力机械有限公司 | Taper sleeve with perforation screw and taper fit connection structure |
| CN204512120U (en) * | 2014-12-26 | 2015-07-29 | 深圳信息职业技术学院 | Connect bearing pin |
| CN206054520U (en) * | 2015-10-27 | 2017-03-29 | 山东钢铁股份有限公司 | A kind of combination pin of fast changeable |
| CN206329597U (en) * | 2016-12-15 | 2017-07-14 | 山东丰汇设备技术有限公司 | A kind of locking taper pin of self-locking |
-
2019
- 2019-10-12 CN CN201910967539.7A patent/CN110805599A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB811993A (en) * | 1954-09-24 | 1959-04-15 | Thos Storey Eng Ltd | A new or improved connecting pin for structural members |
| CN2061227U (en) * | 1990-01-13 | 1990-08-29 | 湘潭市顺风空调环保设备厂 | Mechanical transmission device with removable shaft coupling piece |
| CN201568422U (en) * | 2009-11-05 | 2010-09-01 | 无锡创明传动工程有限公司 | Conical bolt component |
| CN202560854U (en) * | 2012-05-25 | 2012-11-28 | 四川眉山强力机械有限公司 | Taper sleeve with perforation screw and taper fit connection structure |
| CN204512120U (en) * | 2014-12-26 | 2015-07-29 | 深圳信息职业技术学院 | Connect bearing pin |
| CN206054520U (en) * | 2015-10-27 | 2017-03-29 | 山东钢铁股份有限公司 | A kind of combination pin of fast changeable |
| CN206329597U (en) * | 2016-12-15 | 2017-07-14 | 山东丰汇设备技术有限公司 | A kind of locking taper pin of self-locking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |
|
| RJ01 | Rejection of invention patent application after publication |