CN102705353A - Pin shaft assembly and positioning method thereof and excavator - Google Patents
Pin shaft assembly and positioning method thereof and excavator Download PDFInfo
- Publication number
- CN102705353A CN102705353A CN2012101901326A CN201210190132A CN102705353A CN 102705353 A CN102705353 A CN 102705353A CN 2012101901326 A CN2012101901326 A CN 2012101901326A CN 201210190132 A CN201210190132 A CN 201210190132A CN 102705353 A CN102705353 A CN 102705353A
- Authority
- CN
- China
- Prior art keywords
- bearing pin
- pin
- pressing plate
- assembly
- platen
- 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
Images
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a pin shaft assembly and a positioning method thereof and an excavator, and belongs to the technical field of pin shaft assemblies. The pin shaft assembly comprises a pin shaft, a pin shaft pressing plate fixed at the left end of the pin shaft, a limiting block for positioning the pin shaft pressing plate, a moving component and basal parts; the pin shaft is arranged in a hinged shaft hole of the basal parts and the moving component; the first end of the pin shaft is fixedly connected with the pin shaft pressing plate at one end of the shaft hole and fixed; a pressure plate is arranged at the second end of the pin shaft and at the other end of the shaft hole; the diameter of the pressure plate is greater than that of the shaft hole; and the pressure plate is connected with the second end of the pin shaft through a bolt. By adopting the structure of which two ends are axially positioned, the axial stress of the pin shaft is improved, and faults such as sealing-off of the pressing plate and bolt breakage caused by over high pressure in the presence of axial constraint of one end are avoided.
Description
Technical field
The present invention relates to the Assembly of pin technical field, relate in particular to a kind of Assembly of pin and localization method thereof and excavator.
Background technique
In the two-member connection structure of engineering machinery, it is a kind of more common structural type that bearing pin connects at present, and the basic structure of existing Assembly of pin is generally the structure shown in Fig. 1; Wherein, Fig. 1 (a) is the sectional view of Assembly of pin, and Fig. 1 (b) is the side view of Assembly of pin, in this Fig. 1; Bearing pin 2 one ends are provided with bearing pin pressing plate 1; Bearing pin pressing plate 1 is weldingly fixed on bearing pin 2, bearing pin 2 is pushed in the hinged axis hole of matrix part 4 and moving element 5, through limiting stopper 3 and fixed plate 12 bearing pin pressing plate 1 is positioned on matrix part 4 outer side surfaces through bolt 9; It is static relatively to realize that bearing pin 2, bearing pin pressing plate 1 and matrix part 4 are in, and moving element 5 is realized rotation relatively with bearing pin 2, bearing pin pressing plate 1 and matrix part 4.
In the Assembly of pin structure; Bearing pin 2 can be regarded the two fixed ends beam as; Under the long-time influence of hinged axis hole pressure at two ends, the slight curves distortion may take place in bearing pin 2, if this position insufficient lubrication of bearing pin distortion; Catching phenomenon very likely can take place with axle sleeve 6 in bearing pin 2, causes bearing pin 2, the outer of axle sleeve 6 to scurry.Adopt the bearing pin of a this end axial restraint simultaneously, what also often occur bearing pin 2 and bearing pin pressing plate 1 easily gets loose the perhaps fracture of the bolt 9 of stationary platen.
Summary of the invention
Can cause the bearing pin distortion in order to solve the existing axial extended immobilization of Assembly of pin one end, and then can produce the problem of bearing pin pressing plate sealing-off, bolt fracture, a kind of Assembly of pin and localization method thereof and excavator are provided at present.Concrete technological scheme is following:
A kind of Assembly of pin; Said Assembly of pin comprises bearing pin, is fixed on the bearing pin pressing plate of said bearing pin left end, the limiting stopper that is used to locate said bearing pin pressing plate, moving element and matrix part, and said bearing pin is installed on the hinged axis hole of said matrix part and said moving element; Wherein, First end of said bearing pin is fixedly connected with said bearing pin pressing plate in an end of said axis hole, and said bearing pin first end is fixed, and second end of said bearing pin and the other end of said axis hole are provided with platen; Said platen diameter is greater than said shaft hole diameter, and said platen is connected through bolt with said bearing pin second end.
Further technological scheme; The end face center of said bearing pin second end is drilled with tapped hole, and said platen is provided with the through hole that aligns with said tapped hole, and said platen one side has flange; Said flange one side is fitted in said matrix part outer side surface, is provided with pad between said platen and the said bolt.
Further technological scheme, said tapped hole has one at least, and the one-tenth center is symmetrically distributed.
Further technological scheme, the internal diameter of said flange is greater than the internal diameter of said bearing pin second end place axis hole.
Further technological scheme, said limiting stopper is positioned at the below of said bearing pin pressing plate and contacts with said bearing pin pressing plate, and said limiting stopper is fixed on the axis hole outer side surface of said matrix part.
Further technological scheme, said bearing pin pressing plate and said bearing pin be fixing or bolt through welding, and said limiting stopper passes through welding or bolt is connected with said matrix part.
Further technological scheme, said bearing pin pressing plate is a symmetric shape.
Further technological scheme, said bearing pin pressing plate is square.
A kind of Assembly of pin localization method; Said method is included as; Said bearing pin pressing plate and said matrix part outer side surface are fitted and are realized the left end axially locating; Said platen flange one side is fitted in said matrix part outer side surface and realizes the right-hand member axially locating through the said bearing pin of said bolt, through said bearing pin platen edge plane and said limiting stopper outer rim plane coupling, realizes circumferentially location.
Further technological scheme, said bearing pin platen shape symmetry can be installed through rotation.
A kind of excavator, said excavator have above-mentioned each described Assembly of pin and use above-mentioned each described Assembly of pin localization method.
Compared with prior art; The beneficial effect of Assembly of pin in the technique scheme and localization method thereof and excavator is; Through adopting all structures of axially locating of two ends, make when bearing pin produces axial float because of factors such as distortion or lubrication effect are bad the constraint that two ends are all strong; Stressing conditions improves, and avoids taking place in the excessive faults such as pressing plate sealing-off, bolt fracture that cause of the situation downforce of having only an end axial constraint.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 (a) is an existing technology Assembly of pin sectional view;
Fig. 1 (b) is an existing technology Assembly of pin side view;
Fig. 2 (a) is the Assembly of pin sectional view that the embodiment of the invention provides;
Fig. 2 (b) is the Assembly of pin side view that the embodiment of the invention provides;
Fig. 2 (c) is Assembly of pin bearing pin and the bearing pin pressing plate erection drawing that the embodiment of the invention provides;
Fig. 3 (a) is the platen plan view that the embodiment of the invention provides;
Fig. 3 (b) is the platen side view that the embodiment of the invention provides.
Embodiment
For making the object of the invention, technological scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
As shown in Figure 2; The embodiment of the invention provides a kind of Assembly of pin; This Assembly of pin comprises bearing pin 2, be fixed on the bearing pin pressing plate 1 of said bearing pin left end, be used to locate limiting stopper 3, moving element 5 and the matrix part 4 of said bearing pin pressing plate; Said bearing pin 2 is installed on the hinged axis hole of said matrix part 4 and said moving element 5, and wherein, first end of said bearing pin 2 and an end of said axis hole are fixedly connected with said bearing pin pressing plate 1; And said bearing pin 2 first ends are fixed; Second end of said bearing pin 2 is provided with platen 7 in the other end of said axis hole, and said platen 7 diameters are greater than said shaft hole diameter, and said platen 7 is connected through bolt 9 with said bearing pin 2 second ends.With the pin-and-hole aligned inside of the moving element that assembles axle sleeve 65 with matrix part 4, bearing pin 2 no pressing plate second ends push the side pin-and-hole that matrix part 4 is fixed with limiting stopper 3, pass moving element 5, pass from matrix part 4 opposite side pin-and-holes.Bearing pin 2 all is a Spielpassung with the pin-and-hole internal surface and axle sleeve 6 internal surfaces of matrix part 4, and filling lubricant oil forms oil film.
Further; The end face center of said bearing pin 2 second ends is drilled with tapped hole 10; Said platen 7 is provided with the through hole 11 that aligns with said tapped hole 10, and is as shown in Figure 3, and said platen 7 one sides have flange 13; Said flange 13 1 sides are fitted in said matrix part 4 outer side surfaces, are provided with pad 8 between said platen 7 and the said bolt 9.Platen through hole 11 is alignd with bearing pin tapped hole 10, platen 7 and matrix part 4 are tightened with pad 8, bolt 9.
Preferably, above-mentioned tapped hole 10 has a plurality of, and the one-tenth center is symmetrically distributed.Fix through a plurality of bolts 9 with platen 7.
Further, the internal diameter of said flange 13 is greater than the internal diameter of said bearing pin 2 second ends place axis hole.Said limiting stopper 3 is positioned at the below of said bearing pin pressing plate 1 and contacts with said bearing pin pressing plate 1, and said limiting stopper 3 is fixed on the axis hole outer side surface of said matrix part 4.
Optional, said bearing pin pressing plate 1 is fixed or bolt through welding with said bearing pin 2, and said limiting stopper 3 is connected with said matrix part 4 through welding or bolt.
Preferably, said bearing pin pressing plate 1 is a symmetric shape.Further, said bearing pin pressing plate 1 is square.Bearing pin pressing plate 1 adopts the square symmetry shape; Can regularly bolt 9 be unclamped, bearing pin 2 is extracted out to bearing pin pressing plate 1 direction, rotate an angle and assemble again; Can make and avoid bearing pin 1, make the stressed skewness in bearing pin surface cause distortion because extended immobilization is installed.
Through above assembling, be fixed constraint between bearing pin 2 and bearing pin pressing plate 1, matrix part 4, platen 7, pad 8, the bolt 9; Axle sleeve 6 on bearing pin 2 and bearing pin pressing plate 1 and moving element 5 and the moving element thereof forms revolutes.So just make moving element 5 rotatablely move with respect to matrix part 4.
The embodiment of the invention also discloses a kind of Assembly of pin localization method; Said method is specially; Said bearing pin pressing plate and said matrix part outer side surface are fitted and are realized the left end axially locating; Said platen flange one side is fitted in said matrix part outer side surface and realizes the right-hand member axially locating through the said bearing pin of said bolt, through said bearing pin platen edge plane and said limiting stopper outer rim plane coupling, realizes circumferentially location.Wherein, said bearing pin pressing plate is the square symmetry shape, can circumferentially locate through the mode that rotation is installed.
The embodiment of the invention also discloses a kind of excavator, this excavator has above-mentioned described Assembly of pin and uses above-mentioned described Assembly of pin localization method.Other part of excavator can be with reference to existing technology, does not do at this and gives unnecessary details.
The embodiment of the invention is improved the axially loaded of bearing pin through adopting the two ends axial restraint; And through the improved shape design of bearing pin pressing plate, making the bearing pin pressing plate is symmetric shape, makes bearing pin can regularly rotate assembling again, prevents because extended immobilization is installed the distortion that causes bearing pin.
More than specific embodiment of the present invention is described in detail, but the present invention is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any being equal to
Revise and substitute also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (11)
1. Assembly of pin; Comprise bearing pin (2), be fixed on the bearing pin pressing plate (1) of said bearing pin left end, the limiting stopper (3) that is used to locate said bearing pin pressing plate, moving element (5) and matrix part (4); Said bearing pin (2) is installed in the hinged axis hole of said matrix part (4) and said moving element (5); It is characterized in that; First end of said bearing pin (2) and an end of said axis hole are fixedly connected with said bearing pin pressing plate (1), and said bearing pin first end is fixed, and second end of said bearing pin (2) is provided with platen (7) in the other end of said axis hole; Said platen (7) diameter is greater than said shaft hole diameter, and said platen (7) is connected through bolt (9) with said bearing pin (2) second ends.
2. Assembly of pin as claimed in claim 1; It is characterized in that; The end face center of said bearing pin (2) second ends is drilled with tapped hole (10), and said platen (7) is provided with the through hole (11) that aligns with said tapped hole (10), and said platen (7) one sides have flange (13); Said flange (13) one sides are fitted in said matrix part (4) outer side surface, are provided with pad (8) between said platen (7) and the said bolt (9).
3. Assembly of pin as claimed in claim 2 is characterized in that, said tapped hole (10) has one at least, and the one-tenth center is symmetrically distributed.
4. Assembly of pin as claimed in claim 2 is characterized in that, the internal diameter of said flange (13) is greater than the internal diameter of said bearing pin (2) second ends place axis hole.
5. Assembly of pin as claimed in claim 1 is characterized in that, said limiting stopper (3) is positioned at the below of said bearing pin pressing plate (1) and contacts with said bearing pin pressing plate (1), and said limiting stopper (3) is fixed on the axis hole outer side surface of said matrix part (4).
6. Assembly of pin as claimed in claim 5 is characterized in that, said bearing pin pressing plate (1) is fixed or bolt through welding with said bearing pin (2), and said limiting stopper (3) is connected with said matrix part (4) through welding or bolt.
7. Assembly of pin as claimed in claim 6 is characterized in that, said bearing pin pressing plate (1) shape symmetry.
8. Assembly of pin as claimed in claim 7 is characterized in that, said bearing pin pressing plate (1) is square.
9. Assembly of pin localization method; It is characterized in that; Said bearing pin pressing plate and said matrix part outer side surface are fitted and are realized the left end axially locating; Said platen flange one side is fitted in said matrix part outer side surface and realizes the right-hand member axially locating through the said bearing pin of said bolt, through said bearing pin platen edge plane and said limiting stopper outer rim plane coupling, realizes circumferentially location.
10. a kind of Assembly of pin localization method as claimed in claim 9 is characterized in that, said bearing pin platen shape symmetry can be installed through rotation.
11. an excavator is characterized in that, said excavator comprises each described Assembly of pin of claim 1 to 8 and each described Assembly of pin localization method of utilization claim 9 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101901326A CN102705353A (en) | 2012-06-11 | 2012-06-11 | Pin shaft assembly and positioning method thereof and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101901326A CN102705353A (en) | 2012-06-11 | 2012-06-11 | Pin shaft assembly and positioning method thereof and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102705353A true CN102705353A (en) | 2012-10-03 |
Family
ID=46898344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101901326A Pending CN102705353A (en) | 2012-06-11 | 2012-06-11 | Pin shaft assembly and positioning method thereof and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102705353A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010971A (en) * | 2012-12-27 | 2013-04-03 | 徐州重型机械有限公司 | Crane and hanging mechanism thereof |
| CN103010308A (en) * | 2012-12-27 | 2013-04-03 | 徐州重型机械有限公司 | Crane and split type frame structure thereof |
| CN103362166A (en) * | 2013-07-16 | 2013-10-23 | 太原重工股份有限公司 | Fixing device for pin shaft of hydraulic excavator |
| CN108591217A (en) * | 2018-06-21 | 2018-09-28 | 中国五冶集团有限公司 | It is exclusively used in the pin shaft structure of connection steel construction and hydraulic lifting device |
| CN112543829A (en) * | 2018-08-06 | 2021-03-23 | 卡特彼勒Sarl | Bearing device and construction machine |
| CN113651254A (en) * | 2021-08-26 | 2021-11-16 | 江苏徐工工程机械研究院有限公司 | Work arm supporting leg connecting module and engineering machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611269A1 (en) * | 1986-04-04 | 1987-10-08 | Kiefer Gmbh | Support-foot swivelling device in work vehicles |
| FR2633022A1 (en) * | 1988-06-15 | 1989-12-22 | Carreras Jacques | Dismantleable pivot, particularly for the articulated mounting of instruments on civil engineering works plant, and stop means for such a pivot |
| JP2005163539A (en) * | 2004-12-28 | 2005-06-23 | Yanmar Co Ltd | Excavation work arm structure |
| CN1220812C (en) * | 2001-09-26 | 2005-09-28 | 株式会社小松制作所 | Operation mechanism connector |
| JP2006169851A (en) * | 2004-12-16 | 2006-06-29 | Shin Caterpillar Mitsubishi Ltd | Bracket structure |
-
2012
- 2012-06-11 CN CN2012101901326A patent/CN102705353A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611269A1 (en) * | 1986-04-04 | 1987-10-08 | Kiefer Gmbh | Support-foot swivelling device in work vehicles |
| FR2633022A1 (en) * | 1988-06-15 | 1989-12-22 | Carreras Jacques | Dismantleable pivot, particularly for the articulated mounting of instruments on civil engineering works plant, and stop means for such a pivot |
| CN1220812C (en) * | 2001-09-26 | 2005-09-28 | 株式会社小松制作所 | Operation mechanism connector |
| JP2006169851A (en) * | 2004-12-16 | 2006-06-29 | Shin Caterpillar Mitsubishi Ltd | Bracket structure |
| JP2005163539A (en) * | 2004-12-28 | 2005-06-23 | Yanmar Co Ltd | Excavation work arm structure |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010971A (en) * | 2012-12-27 | 2013-04-03 | 徐州重型机械有限公司 | Crane and hanging mechanism thereof |
| CN103010308A (en) * | 2012-12-27 | 2013-04-03 | 徐州重型机械有限公司 | Crane and split type frame structure thereof |
| CN103010971B (en) * | 2012-12-27 | 2015-05-13 | 徐州重型机械有限公司 | Crane and hanging mechanism thereof |
| CN103362166A (en) * | 2013-07-16 | 2013-10-23 | 太原重工股份有限公司 | Fixing device for pin shaft of hydraulic excavator |
| CN108591217A (en) * | 2018-06-21 | 2018-09-28 | 中国五冶集团有限公司 | It is exclusively used in the pin shaft structure of connection steel construction and hydraulic lifting device |
| CN112543829A (en) * | 2018-08-06 | 2021-03-23 | 卡特彼勒Sarl | Bearing device and construction machine |
| CN112543829B (en) * | 2018-08-06 | 2023-02-28 | 卡特彼勒Sarl | Bearing device and construction machine |
| CN113651254A (en) * | 2021-08-26 | 2021-11-16 | 江苏徐工工程机械研究院有限公司 | Work arm supporting leg connecting module and engineering machinery |
| CN113651254B (en) * | 2021-08-26 | 2023-05-05 | 江苏徐工工程机械研究院有限公司 | Working arm supporting leg connecting module and engineering machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102705353A (en) | Pin shaft assembly and positioning method thereof and excavator | |
| CN202271551U (en) | Connecting structure for connecting piston and sliding block of hydraulic machine | |
| US20130020795A1 (en) | Pipe coupling assembly and method for preventing longitudinal movement of coupling rings | |
| CN106192962B (en) | Anti-rotational bolt device | |
| CN103807300A (en) | Bearing limiting system and bearing limiting method | |
| CN107655671B (en) | Multipurpose support for axle center compression component test research | |
| CN202471115U (en) | Static trial universal supporting apparatus for different types of cabin bodies | |
| CN202114433U (en) | Welding device of lorry-mounted crane connecting plate component | |
| CN211623996U (en) | Shaft coupling | |
| CN102776909A (en) | Oil cylinder connecting device | |
| CN106061781B (en) | Engine device support construction and engine device setting method | |
| CN204025450U (en) | A kind of automobile brake disc dust-proof cover linkage structure | |
| CN103410868B (en) | A kind of bearings stand structure | |
| CN209370313U (en) | A kind of gimbal structure for truck drive shaft | |
| CN202125498U (en) | Axial fixing device for pin shaft of crane | |
| CN104044754A (en) | Connecting device of satellite load and cellular board adopting connecting device | |
| CN104632913A (en) | Drive plate coupling | |
| CN204843562U (en) | Bore axle housing upset anchor clamps | |
| CN203581065U (en) | Riveted structure of automobile steering column bearing | |
| CN202491698U (en) | Connecting structure of chair steel tube and stamping part | |
| CN102777614A (en) | Connection positioning device between valve shaft and valve plate of butterfly valve | |
| CN103267073A (en) | Novel split type brake wheel | |
| CN102787730B (en) | Direct shearing type reinforcing assembly | |
| CN203685864U (en) | Bearing limiting system | |
| CN203655925U (en) | Shaft coupling device convenient for disassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121003 |