CN204328431U - Assembly of pin, articulated mechanism and engineering machinery - Google Patents
Assembly of pin, articulated mechanism and engineering machinery Download PDFInfo
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- CN204328431U CN204328431U CN201420751792.1U CN201420751792U CN204328431U CN 204328431 U CN204328431 U CN 204328431U CN 201420751792 U CN201420751792 U CN 201420751792U CN 204328431 U CN204328431 U CN 204328431U
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- storing cavity
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Abstract
The utility model discloses a kind of Assembly of pin, comprise pin body, driveshaft and plug, pin body is provided with lubrication channel and the storing cavity for storing lubricant medium, one end of driveshaft is arranged in storing cavity, plug is removably fixed on the end of pin body, and shut the opening end of storing cavity, driveshaft is connected by motion thread with plug, and the other end of driveshaft extends to outside pin body through plug; One end of lubrication channel is communicated with storing cavity, and the other end extends to the periphery wall of pin body; Under conventional sense, lubricant medium is stored in storing cavity, during lubrication, the regular rotation of drive rod of operator, under the effect of motion thread, driveshaft is deep in storing cavity further, and the lubricant medium in storing cavity is under pressure, and then order about lubricant medium flows to pin body periphery wall through lubrication channel, thus sliding bearing is lubricated.In addition, the utility model also proposes a kind of articulated mechanism and engineering machinery.
Description
Technical field
The utility model relates to the lubrication technology of engineering machinery, is specifically related to a kind of Assembly of pin, articulated mechanism and engineering machinery.
Background technique
Bearing pin is the part that a class is common, play connection function, is usually used in the connection of two component, forms chain connection, make can realize relatively rotating between two component in engineering machinery field.
The common set-up mode of bearing pin is: the first component and the second component are provided with through hole, bearing pin is located on the first component rotationally, second component are fixedly connected with bearing pin, in order to alleviate friction, sliding bearing is provided with between bearing pin and the first component, under external force or deadweight are ordered about, the second component can relatively rotate by relative first component.
In order to extend the working life of sliding bearing, usually need to lubricate sliding bearing; Usual employing lubricant medium (being often referred to lubricating grease) regularly carries out manual lubrication to the sliding pair of sliding bearing; When equipment lubrication point is many, lubrication frequency height time, this lubricating system causes operator to need the maintenance of time and efforts for lubricating point of at substantial.
Conveniently lubricate, publication number is that the Chinese patent of CN203131394U discloses a kind of Assembly of pin, this Assembly of pin comprises bearing pin main body and elastic device, bearing pin main body arranges storing cavity, elastic device and lubrication channel, lubricant medium is stored in storing cavity, elastic device applies pressure to the lubricant medium in storing cavity all the time, and then orders about lubricant medium and flow to predetermined lubricating point through lubrication channel.But there is following problem in this Assembly of pin: the elastic device reliability 1) in this Assembly of pin is not high; After filling grease by lubricating cup to storing cavity, because the pressure of storing cavity inside is higher than pin body outside pressure, under the effect of pressure difference, elastic element meeting Rapid reset is until external and internal pressure is identical; And differing pressure in use in the resistance in lubrication channel outlet port and storing cavity is little, namely in use elastic device applied pressure can not make lubricant medium export constantly, swimmingly, causes lubrication effect undesirable; 2) lubrication interval, the lubrication time point of the elastic device in this Assembly of pin are uncontrollable, easily occur the problem of " needing do not have enough lubricant mediums during lubrication, but exporting lubricant medium during without the need to lubricating ".
Model utility content
In view of this, the utility model proposes a kind of Assembly of pin of new structure, to solve the problems of the technologies described above.
As first aspect, the utility model proposes a kind of Assembly of pin, this Assembly of pin specifically comprises pin body, driveshaft and plug, described pin body is provided with cylindricality storing cavity and lubrication channel, described storing cavity is arranged along the axis of bearing pin, one end of described lubrication channel is communicated with storing cavity, and the other end leads to the periphery wall of pin body; Described plug is removably fixedly connected with pin body, and shutoff is at the opening end of storing cavity; One end of described driveshaft is arranged in described storing cavity, and the other end extends to outside pin body through described plug, and described driveshaft is connected by motion thread with between plug.
In preferred technological scheme, be provided with slidably piston in described storing cavity, described driveshaft is for ordering about the lubricant medium in storing cavity described in described piston press.
In preferred technological scheme, described pin body is also provided with repairing passage, one end of described repairing passage is communicated with storing cavity, and the other end extends to the end face of pin body and forms repairing mouth, described repairing mouth is provided with the lubricating cup for supplemental lubrication medium.
In preferred technological scheme, the end face of one end that described pin body is relative with plug is provided with First terrace and the second step face of stepped distribution, wherein, described First terrace is provided with tapped hole, described repairing mouth is arranged on second step face.
In preferred technological scheme, the position that described second step face is corresponding with repairing mouth is provided with counterbore, and described lubricating cup is arranged in described counterbore.
In preferred technological scheme, described First terrace is less than the distance of second step face to the pin body the other end to the distance of the pin body the other end.
In preferred technological scheme, described storing cavity is cylindrical and coaxially arrange with pin body.
In preferred technological scheme, described pin body is provided with three lubrication channels, three described lubrication channels are evenly distributed in described pin body in centrosymmetric mode.
The Assembly of pin that the utility model proposes comprises pin body, driveshaft and plug, pin body is provided with lubrication channel and the storing cavity for storing lubricant medium, one end of driveshaft is arranged in storing cavity, plug is removably fixed on the end of pin body, and shut the opening end of storing cavity, driveshaft is connected by motion thread with plug, and the other end of driveshaft extends to outside pin body through plug; One end of lubrication channel is communicated with storing cavity, and the other end extends to the periphery wall of pin body; Under conventional sense, lubricant medium is stored in storing cavity, during lubrication, the regular rotation of drive rod of operator, under the effect of motion thread, driveshaft is deep in storing cavity further, and the lubricant medium in storing cavity is under pressure, and then order about lubricant medium flows to pin body periphery wall through lubrication channel, thus sliding bearing is lubricated.
Compared with prior art, this lubricating system is simple to operate, greatly can reduce the labor intensity of operator; Under the effect of motion thread, each rotation of drive rod, pressure will inevitably be applied, therefore, in greasing to the lubricant medium in storing cavity, the smooth outflow of lubricant medium can be ensured, and then guarantee lubrication effect, when not needing lubrication, driveshaft is static relative to pin body, lubricant medium can not run off, and then reduces the waste of lubricant medium.
As second aspect, the utility model discloses a kind of articulated mechanism, comprise the Assembly of pin of the first component, the second component, sliding bearing and above-mentioned any one, described first component are rotatably connected by sliding bearing and Assembly of pin, and described second component are fixedly connected with Assembly of pin.
Compared with prior art, by adopting above-mentioned Assembly of pin, sliding bearing premature failure can be prevented, and then promote reliability and the working life of articulated mechanism.
As the third aspect, the utility model discloses a kind of engineering machinery, this project machinery is provided with above-mentioned articulated mechanism.
Compared with prior art, by adopting above-mentioned articulated mechanism, be conducive to the reliability and the working life that promote engineering machinery.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
One of sectional view of the Assembly of pin that Fig. 1 provides for the utility model specific embodiment;
The sectional view two of the Assembly of pin that Fig. 2 provides for the utility model specific embodiment;
Fig. 3 is A-A schematic cross-section in Fig. 2.
Description of reference numerals:
1, pin body 2, piston 3, plug 4, driveshaft 5, lubricating cup
11, storing cavity 12, lubrication channel 13, repairing passage 14, tapped hole
15, First terrace 16, second step face 17, counterbore
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the Assembly of pin that the utility model specific embodiment proposes comprises pin body 1, piston 2, driveshaft 4, plug 3 and lubricating cup 5, pin body 1 is provided with storing cavity 11, repairing passage 13 and lubrication channel 12, storing cavity 11 is cylindric and coaxially arranges with pin body 1, one end of lubrication channel 12 is communicated with storing cavity 11, the other end of lubrication channel 12 extends to the periphery wall of pin body 1, one end of repairing passage 13 is communicated with storing cavity 11, the other end of repairing passage 13 extends to the end face of pin body 1 left end and forms repairing mouth, lubricating cup 5 is arranged on repairing mouth, piston 2 is slidably disposed in storing cavity 11, and plug 3 to be threaded connection in pin body 1 and to block the opening end of storing cavity 11, driveshaft 4 is connected with plug 3 by motion thread, and its one end to be inserted in storing cavity 11 and is connected with piston 2, and the other end exposes beyond pin body 1, in the normal state, in storing cavity 11, store lubricating grease, when lubricating, operator's rotation of drive rod 4, under the effect of motion thread, driveshaft 4 with piston 2 to left movement, and then in storing cavity 11 lubricating grease apply pressure, under the extruding of piston 2, the lubricating grease in storing cavity 11 flows to the periphery wall of pin body 1 through lubrication channel 12, and then lubricates sliding bearing.
Conveniently pin body 1 is fixing, and the left end end face of pin body 1 is provided with tapped hole 14, when needing pin body 1 and other parts to fix, by bolt and tapped hole 14 coordinate can complete fixing.
The conveniently fixing and repairing operation of pin body 1, the left end end face of pin body 1 is provided with the First terrace 15 be parallel to each other and second step face 16, wherein second step face 16 is protruding left, tapped hole 14 is arranged on First terrace 15, and repairing passage 13 extends to second step face 16; When pin body 1 and other parts being fixed, other parts are attached on First terrace 15, and second step face 16 is protruding and do not covered by other parts, facilitate repairing to operate.In order to prevent lubricating cup 5 damaged, second step face 16 offers counterbore 17, lubricating cup 5 is arranged in counterbore 17.When specifically arranging, First terrace 15 is unrestricted with the shape in second step face 16; In a preferred embodiment, First terrace 15 and second step face 16 cover the left end end face of pin body 1 with the form of semicircle equalization.
It should be noted that, in the above-described embodiments, driveshaft 4 and piston 2 can be fixedly connected with, and also can be rotatably connected; Certainly, in other embodiments, driveshaft 4 can not also be connected with piston 2, and when lubricating, driveshaft 4 orders about piston 2 and extrudes lubricant medium, and during supplemental lubrication medium, under the promotion of lubricant medium, piston 2 resets.In addition, in the above-described embodiments, piston 2 can improve space availability ratio and the sealing of storing cavity 11, be convenient to make full use of the lubricant medium in storing cavity 11, but can simplified structure further, cancel piston 3, under conventional sense, lubricant medium is stored in storing cavity 11, during lubrication, the regular rotation of drive rod 4 of operator, under the effect of motion thread, driveshaft 4 is deep in storing cavity further, change the space that can store lubricant medium in storing cavity 11, the lubricant medium in storing cavity 11 is made to be subject to the pressure of driveshaft 4, and then order about lubricant medium flows to pin body periphery wall through lubrication channel 12, thus sliding bearing is lubricated.
In other embodiments, the quantity of lubrication channel 12 can be multiple, as shown in Figures 2 and 3, in a preferred embodiment, pin body 1 is provided with three lubrication channels, 12, three lubrication channels 12 and is evenly distributed in pin body 1 in centrosymmetric mode.
In other embodiments, the shape of storing cavity 11 also can be square column type, corresponding, the cross section of piston 2 is also square column type, and driveshaft 4 and piston 2 are rotatably connected.
In addition, in other embodiments, pin body 1 also can not arrange repairing passage 13, after lubricating grease is finished, plug 3, piston 2 machine driveshaft 4 can be pulled down, directly from the opening end supplemental lubrication fat of storing cavity 11.
Compared with prior art, adopt above-mentioned Assembly of pin, when lubrication operation, regular rotation of drive rod 4, mode of operation is fairly simple, greatly reduces the labor intensity of operator; Under the effect of motion thread, each rotation of drive rod 4, piston 2 will inevitably apply pressure to the lubricating grease in storing cavity 11, therefore, in greasing, the smooth outflow of lubricating grease can be ensured, and then guarantee lubrication effect, when not needing lubrication, driveshaft 4 pin body 1 relative to piston 2 is static, and then reduces the waste of lubricating grease.
The articulated mechanism that the utility model specific embodiment proposes comprises the Assembly of pin of the first component, the second component, sliding bearing and above-mentioned, first component are rotatably connected by sliding bearing and Assembly of pin, and the second component are fixedly connected with Assembly of pin.Compared with prior art, by adopting above-mentioned Assembly of pin, sliding bearing premature failure can be prevented, and then promote reliability and the working life of articulated mechanism.
The utility model specific embodiment also proposes a kind of engineering machinery, and this project machinery is provided with above-mentioned articulated mechanism.Compared with prior art, by adopting above-mentioned articulated mechanism, be conducive to the reliability and the working life that promote engineering machinery.
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 done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an Assembly of pin, it is characterized in that, comprise pin body (1), driveshaft (4) and plug (3), described pin body (1) is provided with cylindricality storing cavity (11) and lubrication channel (12), described storing cavity (11) is arranged along the axis of bearing pin, one end of described lubrication channel (12) is communicated with storing cavity (11), and the other end leads to the periphery wall of pin body (1); Described plug (3) is removably fixedly connected with pin body (1), and shutoff is at the opening end of storing cavity (11); One end of described driveshaft (4) is arranged in described storing cavity (11), the other end extends to outside pin body (1) through described plug (3), and is connected by motion thread between described driveshaft (4) with plug (3).
2. Assembly of pin according to claim 1, it is characterized in that, be provided with slidably piston (2) in described storing cavity (11), described driveshaft (4) extrudes lubricant medium in described storing cavity (11) for ordering about described piston (2).
3. Assembly of pin according to claim 2, it is characterized in that, described pin body (1) is also provided with repairing passage (13), one end of described repairing passage (13) is communicated with storing cavity (11), the other end extends to the end face of pin body (1) and forms repairing mouth, described repairing mouth is provided with the lubricating cup (5) for supplemental lubrication medium.
4. Assembly of pin according to claim 3, it is characterized in that, the end face of one end that described pin body (1) is relative with plug (3) is provided with First terrace (15) and second step face (16) of stepped distribution, wherein, described First terrace (15) is provided with tapped hole (14), and described repairing mouth is arranged on second step face (16).
5. Assembly of pin according to claim 4, it is characterized in that, the position that described second step face (16) is corresponding with repairing mouth is provided with counterbore (17), and described lubricating cup (5) is arranged in described counterbore (17).
6. Assembly of pin according to claim 4, it is characterized in that, described First terrace (15) is less than the distance of second step face (16) to pin body (1) the other end to the distance of pin body (1) the other end.
7. the Assembly of pin according to claim 1 to 6 any one, is characterized in that, described storing cavity (11) is cylindrical and coaxially arrange with pin body (1).
8. the Assembly of pin according to claim 1 to 6 any one, it is characterized in that, described pin body (1) is provided with three lubrication channels (12), three described lubrication channels (12) are evenly distributed in described pin body (1) in centrosymmetric mode.
9. an articulated mechanism, it is characterized in that, comprise the first component, the second component, sliding bearing and the Assembly of pin described in claim 1 to 8 any one, described first component are rotatably connected by sliding bearing and Assembly of pin, and described second component are fixedly connected with Assembly of pin.
10. an engineering machinery, is characterized in that, is provided with articulated mechanism according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751792.1U CN204328431U (en) | 2014-12-04 | 2014-12-04 | Assembly of pin, articulated mechanism and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751792.1U CN204328431U (en) | 2014-12-04 | 2014-12-04 | Assembly of pin, articulated mechanism and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328431U true CN204328431U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420751792.1U Active CN204328431U (en) | 2014-12-04 | 2014-12-04 | Assembly of pin, articulated mechanism and engineering machinery |
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| Country | Link |
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| CN (1) | CN204328431U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795575A (en) * | 2017-11-24 | 2018-03-13 | 芜湖禾田汽车工业有限公司 | Ball pivot chain mechanism |
| CN107939822A (en) * | 2017-11-24 | 2018-04-20 | 芜湖禾田汽车工业有限公司 | Flexural pivot chain mechanism |
| CN117227856A (en) * | 2023-11-13 | 2023-12-15 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
-
2014
- 2014-12-04 CN CN201420751792.1U patent/CN204328431U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795575A (en) * | 2017-11-24 | 2018-03-13 | 芜湖禾田汽车工业有限公司 | Ball pivot chain mechanism |
| CN107939822A (en) * | 2017-11-24 | 2018-04-20 | 芜湖禾田汽车工业有限公司 | Flexural pivot chain mechanism |
| CN117227856A (en) * | 2023-11-13 | 2023-12-15 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
| CN117227856B (en) * | 2023-11-13 | 2024-01-26 | 山东德瑞矿山机械有限公司 | Connecting structure of self-unloading wagon box and chassis of underground mine truck |
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