CN203067520U - Pin roll assembly - Google Patents
Pin roll assembly Download PDFInfo
- Publication number
- CN203067520U CN203067520U CN 201220724096 CN201220724096U CN203067520U CN 203067520 U CN203067520 U CN 203067520U CN 201220724096 CN201220724096 CN 201220724096 CN 201220724096 U CN201220724096 U CN 201220724096U CN 203067520 U CN203067520 U CN 203067520U
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- China
- Prior art keywords
- block
- fixed block
- pin
- bearing pin
- groove
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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.)
- Expired - Fee Related
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a pin roll assembly which is used for connecting a first mechanical part with a second mechanical part. The pin roll assembly comprises a pin roll, a first baffle block and a first fixed block, wherein a first groove is arranged on at least one end of the pin roll; the first fixed block is fixedly arranged on the first mechanical part; the first baffle block is spliced into the first groove and matched with the first fixed block and the mechanical part for limiting the axial movement and the circumferential rotation of the pin roll; or the first baffle block is spliced into the first groove and matched with the first fixed block for limiting the axial movement and the circumferential rotation of the pin roll. The pin roll assembly can be used for limiting the axial movement and the circumferential rotation, so that the pin roll is prevented from fleeing out and the abrasion of the pin roll is reduced; meanwhile, the axial force and circumferential force born by the pin roll can be prevented from being focused at the connecting bolt, so that the fracture caused by oversize bolt stress is avoided and the connecting reliability of the pin roll assembly is increased.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of Assembly of pin.
Background technique
Bearing pin is the linkage structure commonly used that connects between mechanical structure or the mechanical part, bearing pin is after assembling, the mechanical structure that connects or mechanical part often need turnover, operations such as rotation, this makes bearing pin both bear moment of torsion (peripheral force), also bear a certain size axial force, in the connection example of mechanical structure, usually all need to limit bearing pin because of moving axially that axial force produces, avoid bearing pin to scurry out, in the connection example of many mechanical structures, also limit bearing pin self as far as possible and rotate simultaneously, to reduce the bearing pin wearing and tearing, therefore, need carry out axial restraint and circumferentially fixing to bearing pin.
At present common bearing pin means of fixation respectively as shown in Figures 1 to 4.
Among Fig. 1 and Fig. 2, can open the axial trough of one-sided or bilateral at an end of bearing pin 1 ', use rectangular block 2 ' and bolt 3 ' to fix then.The effect that rectangular block 2 ' and bolt 3 ' play axial restraint simultaneously and circumferentially fix.Yet because block 2 ' is directly to connect with the product main body by bolt 3 '; if suffered peripheral force or the axial force of bearing pin 1 ' this moment is excessive; bolt 3 ' shearing force and the also corresponding increase of pulling force of bearing so, the situation of may produce that bolt 3 ' is cut off, rectangular block 2 ' being broken by conquassation or bolt 3 '.
Among Fig. 3 and Fig. 4, at an end open loop groove of bearing pin 11 ', by bolt 13 ' semi-round ring shape block 12 ' and product main body are fixed then, and semi-round ring shape block 12 ' is cooperated with annular groove.This structure is used for the little or rotary occasion of bearing pin of peripheral force, and semi-round ring shape block 12 ' only plays axial restraint, if this moment, axial force was excessive, bolt 13 ' may be broken.
The model utility content
In view of this, the utility model proposes a kind of Assembly of pin, it can limit the bearing pin axial motion and circumferentially rotate, and axial force and the peripheral force that can avoid bearing pin to bear are simultaneously concentrated at the connecting bolt place, avoid bolt strained excessive and rupture, increase the connection reliability of Assembly of pin.
On the one hand, the utility model provides a kind of Assembly of pin, is used for connecting two mechanical parts, comprises bearing pin, first block and first fixed block, wherein,
At least one end of described bearing pin offers first groove; Described first fixed block is fixedly installed on the described mechanical part;
Described first block is plugged in described first groove, and cooperates with described first fixed block and described mechanical part simultaneously, limits the axial motion of described bearing pin and circumferentially rotation; Perhaps, described first block is plugged in described first groove, and cooperates with described first fixed block simultaneously, limits the axial motion of described bearing pin and circumferentially rotation.
Further, described first groove, described first block and described first fixed block include two, and two described first grooves circumferentially evenly arranging along described bearing pin;
Described first fixed block comprises first fixing part and second fixing part, cooperates with described two first blocks respectively.
Further, described first block is rectangular block; Described first fixed block is the base of integral type, and is socketed on the described bearing pin, and a side of described base is provided with described first fixing part and described second fixing part, and opposite side is fixedlyed connected with described mechanical part.
Further, described first block is rectangular block; First fixing part of described first fixed block and second fixing part are two independently rectangular blocks.
Further, described first fixed block is fixedly installed on the described mechanical part and is specially: described first fixed block and a described mechanical part welding or one-body molded.
Further, an end of described bearing pin offers described first groove, and the other end offers second groove, and described second groove is annular groove;
Described Assembly of pin also comprises second block and second fixed block, and wherein, described second block is at least two, and described second block is plugged in described second groove, and is resisted against on the described mechanical part; Described second fixed block is connected and fixed with each described second block respectively, and is mobile mutually between each second block of restriction.
Further, described second block is semi-round ring shape.
Further, described second fixed block is ring.
First block of Assembly of pin of the present utility model cooperates the circumferential rotation that can limit bearing pin with first fixed block, the mechanical part that is connected with first fixed block or Assembly of pin cooperates can limit moving axially of bearing pin, therefore, the utility model can prevent that bearing pin from scurrying out and reduce bearing pin wearing and tearing, in addition, when Assembly of pin of the present utility model is used for connecting, do not use bolt to connect to bear the stressed of bearing pin, avoid the bearing pin axial motion and circumferentially rotate at bolt joint generation stress concentrated, avoid bolt strained excessive and rupture, increase the connection reliability of Assembly of pin.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of bearing pin linkage structure of the prior art;
Fig. 2 is that the A of bearing pin linkage structure shown in Figure 1 is to sectional view;
Fig. 3 is the structural representation of another kind of bearing pin linkage structure of the prior art;
Fig. 4 is that the B of bearing pin linkage structure shown in Figure 2 is to sectional view;
Fig. 5 is the structural representation of a kind of Assembly of pin embodiment of the present utility model when be used for connecting mechanical part;
Fig. 6 is the left side structural representation of Assembly of pin shown in Figure 5;
Fig. 7 is another kind of Assembly of pin embodiment's left side structural representation;
Fig. 8 is a kind of first block embodiment's structural representation;
Fig. 9 is a kind of first fixed block embodiment's structural representation;
Figure 10 is the right side structural representation of Assembly of pin shown in Figure 5;
A kind of second block embodiment's of Figure 11 structural representation;
Figure 12 is a kind of second fixed block embodiment's structural representation.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail:
Extremely shown in Figure 12 as Fig. 5, the utility model embodiment provides a kind of Assembly of pin, this Assembly of pin is used for connecting first mechanical part 10 and second mechanical part 11, it comprises bearing pin 1, first block 2 and first fixed block 3, wherein, at least one end of bearing pin 1 offers first groove, and first fixed block 3 is fixedly installed on first mechanical part 10; First block 2 is plugged in first groove, and cooperates with first fixed block 3 and first mechanical part 10 simultaneously, the axial motion of restriction bearing pin 1 and circumferentially rotation; Perhaps, first block 2 is plugged in first groove, and cooperates with first fixed block 3 simultaneously, and restriction bearing pin 1 is along the axial motion of bearing pin and circumferentially rotation.
The Assembly of pin of present embodiment can be used in and connects first mechanical part 10 and second mechanical part 11, as connect two mechanical arms, two mechanical linkages, mechanical linkage and fixed bases etc., during connection, bearing pin 1 passes two mechanical parts 10 and 11 the end that is connected simultaneously, the end of bearing pin 1 offers first groove, first block 2 is plugged in first groove, and cooperate with first fixed block 3 on being fixedly installed on first mechanical part 10, perhaps cooperate simultaneously with aforementioned first fixed block 3 and first mechanical part 10, limit the axial motion of bearing pin and circumferentially rotation jointly.First block of the Assembly of pin of present embodiment cooperates the circumferential rotation that can limit bearing pin with first fixed block, the mechanical part that first block is connected with Assembly of pin or cooperate with first fixed block and can limit moving axially of bearing pin, therefore this Assembly of pin can prevent that bearing pin from scurrying out and reduce the bearing pin wearing and tearing, in addition, Assembly of pin of the present utility model does not use bolt to connect to bear the stressed of bearing pin when being used for connecting, avoid the bearing pin axial motion and circumferentially rotate at bolt joint generation stress concentrated, avoid bolt strained excessive and rupture, increase the connection reliability of Assembly of pin.
Need to prove, as shown in Figure 5, first mechanical part 10 is positioned at the outside, i.e. the end of the more close bearing pin 1 in the side of first mechanical part 10, therefore, be more convenient for first fixed block 3 in the Assembly of pin is fixed on this first mechanical part 10, in addition, when needs two mechanical parts are swung, can be preferably that first mechanical part 10 is fixing, turn down second mechanical part 11, to reduce the rotation of bearing pin 1.In the embodiment of its elsewhere, the link position relation of first mechanical part 10 and second mechanical part 11 can be different therewith, all can be with reference to above-mentioned, first fixed block 3 is arranged on the nearer mechanical part in the end apart from bearing pin that is positioned at the outside, perhaps is arranged on the motionless mechanical part of relative fixed.
In addition, first fixed block 3 among the utility model embodiment is arranged on and preferably is embodied as first fixed block 3 and this first mechanical part, 10 welding or one-body molded on first mechanical part 10, so that being connected between first fixed block 3 and first mechanical part 10 is more firm firmly.
In embodiment of the present utility model, Assembly of pin preferably includes two first grooves and first block 2, and two first grooves evenly arrange along the circumferential of bearing pin 1, and first fixed block 3 correspondingly comprises first fixing part and second fixing part, cooperates with two first blocks 2 respectively.Two fixing parts of two first grooves, first block 2 and first fixed blocks 3 evenly arrange on the circumferential direction of bearing pin 1, cooperatively interact, so that axially loaded that can bearing pin is suffered and circumferentially stressed even distribution.Yet, adopting two first grooves only is preferred embodiment of the present utility model, in other embodiments, and under the condition that installing space allows, plural first groove and first block, first fixed block also can be set, and the utility model is not done restriction to this.
Further, to shown in Figure 8, first block 2 and first fixed block 3 among the embodiment of the present utility model are preferably rectangular block as Fig. 6.Need to prove; first groove fit on first block 2 and first fixed block 3 the two and the bearing pin 1; be axial motion and the circumferentially rotation in order to limit bearing pin 1; therefore; the two can also be configured to other structure shape except rectangular block, the utility model is not done restriction yet to this; as long as can reach the purpose of restriction bearing pin motion, all belong to protection domain of the present utility model.
First fixing part of first fixed block 3 as shown in Figure 7 and second fixing part are two independently rectangular blocks, and namely split-type design arranges with corresponding two first blocks 2 of difference; In addition, the utility model also provides first fixed block 3 of another kind of form, as Fig. 6 and shown in Figure 9, first block 2 is rectangular block, and first fixed block 3 is the base of integral type, and is socketed on the bearing pin 1, one side of this base is provided with first fixing part and second fixing part, opposite side is fixedlyed connected with mechanical part 10, thereby limits first block 2 along circumferentially the rotating of bearing pin 1, thereby avoids bearing pin 1 to take place circumferentially to rotate.In this mode of execution, the base of first fixed block 3 and fixing part can adopt the form of step, then first block 2 can be arranged on the step place of base, directly be not connected with mechanical part 10, but cooperate with first groove and first fixed block 3 of bearing pin 1, can realize limiting the axial motion of bearing pin 1 and circumferentially rotation.
In above-described embodiment, it can be the Connecting format that an end of bearing pin 1 is configured to first groove, first block 2, first fixed block 3, also can be that the two ends of bearing pin 1 are all according to this form configuration, if two ends are all according to this form configuration, note that first fixed block 3 with two ends is arranged on the identical mechanical part, make first fixed block 3 at two ends can fix and do not rotate along with the rotation of another mechanical part; If only the end at bearing pin 1 disposes according to this form, then the other end can be integrated end cap shape, also can be configured to following form:
As shown in Figure 5, an end of bearing pin 1 offers first groove, and the other end offers second groove, and second groove is annular groove; Assembly of pin also comprises second block 4 and second fixed block 5, and wherein, second block 4 is at least two, and second block 4 is plugged in described second groove, and is resisted against on the mechanical part 10; Described second fixed block 5 is connected and fixed with each second block 4 respectively, and is mobile mutually between each second block 4 of restriction.
The other end of bearing pin 1 is offered circular groove, second block 4 is plugged in second groove, and be resisted against on the mechanical part 10 of Assembly of pin connection, moving axially of restriction bearing pin 1, second fixed block 5 is connected and fixed each second block 4, prevent that second block 4 breaks away from from second groove, make second block 4 keep moving axially of restriction bearing pin 1.
To shown in Figure 12, second block 4 is preferably the block of semi-round ring shape as Figure 10, and second fixed block 5 is preferably the baffle ring of ring, and preferred employing bolt is connected between second block 4 and second fixed block 5, with for convenience detach.
Need to prove, in the fixing-assembly of the left end (first groove ends) of bearing pin 1, can use bolt or screw first block 2 tightly to be resisted against on first mechanical part 10 or first fixed block 3 that will connect, correspondingly, on first mechanical part 10 and first fixed block 3 shallow grooves can be arranged, fitted bolt or screw end, avoid first block 2 from first groove, to scurry out, bolt herein or screw are mainly used in first block 2 is fixed in first groove, avoid first block 2 from first groove of given shape, to scurry out, rather than be used for bearing the axially loaded of bearing pin 1 or circumferentially stressed, on the axially loaded of bearing pin 1 or the circumferential stressed face that cooperatively interacts that still mainly acts between first block 2 and first fixed block 3; Correspondingly, second block 4 of the right-hand member of bearing pin 1 (second groove ends) and bolt between second fixed block 5 equally mainly play the effect that is connected between the two, can't be subjected to axially loaded or the circumferentially stressed influence of bearing pin 1, certainly, second block 4 can be configured to different structure shapes according to different design requirements with second fixed block 5, and the utility model is not done restriction to this.
To sum up, be connected with existing bearing pin and compare, the utility model embodiment's Assembly of pin has the following advantages:
1, Assembly of pin can limit axial motion and the axial motion of bearing pin simultaneously, prevents that bearing pin from scurrying out and reduce bearing pin wearing and tearing;
2, Assembly of pin does not adopt bolt to connect and bears the stressed of bearing pin, and Assembly of pin is more firm, avoids producing stress in the bolt joint and concentrates, and effectively prevents the fault that causes because of bolt fracture;
3, Assembly of pin is simple in structure, and is easy to implement, be applicable to hinged between the less mechanical part of assembly space, and effect is remarkable.
The above only is 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 modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. an Assembly of pin is used for connecting first mechanical part (10) and second mechanical part (11), it is characterized in that, comprises bearing pin (1), first block (2) and first fixed block (3), wherein,
At least one end of described bearing pin (1) offers first groove; Described first fixed block (3) is fixedly installed on described first mechanical part (10);
Described first block (2) is plugged in described first groove, and cooperates with described first fixed block (3) and described first mechanical part (10) simultaneously, limits the axial motion of described bearing pin (1) and circumferentially rotation; Perhaps, described first block (2) is plugged in described first groove, and cooperates with described first fixed block (3) simultaneously, limits the axial motion of described bearing pin (1) and circumferentially rotation.
2. Assembly of pin according to claim 1 is characterized in that, described first groove, described first block (2) include two, and two described first grooves circumferentially evenly arranging along described bearing pin (1);
Described first fixed block (3) comprises first fixing part and second fixing part, cooperates with described two first blocks (2) respectively.
3. Assembly of pin according to claim 2 is characterized in that, described first block (2) is rectangular block; Described first fixed block (3) is the base of integral type, and is socketed on the described bearing pin (1), and a side of described base is provided with described first fixing part and described second fixing part, and opposite side is fixedlyed connected with described first mechanical part (10).
4. Assembly of pin according to claim 2 is characterized in that, described first block (2) is rectangular block; First fixing part of described first fixed block (3) and second fixing part are two independently rectangular blocks.
5. according to any described Assembly of pin among the claim 1-4, it is characterized in that described first fixed block (3) is fixedly installed on described first mechanical part (10) and is specially: described first fixed block (3) and described first mechanical part (10) welding or one-body molded.
6. according to any described Assembly of pin among the claim 1-4, it is characterized in that an end of described bearing pin (1) offers described first groove, the other end offers second groove, and described second groove is annular groove;
Described Assembly of pin also comprises second block (4) and second fixed block (5), and wherein, described second block (4) is at least two, and described second block (4) is plugged in described second groove, and is resisted against on described first mechanical part (10); Described second fixed block (5) is connected and fixed with each described second block (4) respectively, and is mobile mutually between each second block (4) of restriction.
7. Assembly of pin according to claim 6 is characterized in that, described second block (4) is semi-round ring shape.
8. Assembly of pin according to claim 6 is characterized in that, described second fixed block (5) is ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724096 CN203067520U (en) | 2012-12-25 | 2012-12-25 | Pin roll assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724096 CN203067520U (en) | 2012-12-25 | 2012-12-25 | Pin roll assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067520U true CN203067520U (en) | 2013-07-17 |
Family
ID=48766308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220724096 Expired - Fee Related CN203067520U (en) | 2012-12-25 | 2012-12-25 | Pin roll assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067520U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953640A (en) * | 2014-05-12 | 2014-07-30 | 中国重型机械研究院股份公司 | Ring slot type hinge pin shaft |
| CN105197802A (en) * | 2014-06-25 | 2015-12-30 | 宝山钢铁股份有限公司 | Metallurgical bridge crane |
| CN108286554A (en) * | 2018-02-28 | 2018-07-17 | 湖北力帝机床股份有限公司 | A kind of axis pin and its connection structure and assembly method |
| CN108412870A (en) * | 2018-05-10 | 2018-08-17 | 北京新能正源智能装备有限公司 | The fixed structure and arch trolley of axis pin |
| CN113446304A (en) * | 2021-06-25 | 2021-09-28 | 三一重机有限公司 | Pin connection mechanism and working machine |
-
2012
- 2012-12-25 CN CN 201220724096 patent/CN203067520U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953640A (en) * | 2014-05-12 | 2014-07-30 | 中国重型机械研究院股份公司 | Ring slot type hinge pin shaft |
| CN105197802A (en) * | 2014-06-25 | 2015-12-30 | 宝山钢铁股份有限公司 | Metallurgical bridge crane |
| CN108286554A (en) * | 2018-02-28 | 2018-07-17 | 湖北力帝机床股份有限公司 | A kind of axis pin and its connection structure and assembly method |
| CN108412870A (en) * | 2018-05-10 | 2018-08-17 | 北京新能正源智能装备有限公司 | The fixed structure and arch trolley of axis pin |
| CN113446304A (en) * | 2021-06-25 | 2021-09-28 | 三一重机有限公司 | Pin connection mechanism and working machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |