CN202913451U - Lubricating device for pull rod pin shaft of loading machine - Google Patents
Lubricating device for pull rod pin shaft of loading machine Download PDFInfo
- Publication number
- CN202913451U CN202913451U CN 201220546034 CN201220546034U CN202913451U CN 202913451 U CN202913451 U CN 202913451U CN 201220546034 CN201220546034 CN 201220546034 CN 201220546034 U CN201220546034 U CN 201220546034U CN 202913451 U CN202913451 U CN 202913451U
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- CN
- China
- Prior art keywords
- pin shaft
- rod
- oil groove
- pasting board
- rod body
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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 - Lifetime
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Abstract
A lubricating device for a pull rod pin shaft of a loading machine comprises a rod body, wherein the rod body is made of steel plates, and two ends of the rod body are provided with pin shaft holes. Two sides of each pin shaft hole of the rod body are respectively welded with an attaching plate which is provided with a pin shaft through hole. The lubricating device for the pull rod pin shaft of the loading machine is characterized in that one side, near the middle of the rod body, of at least one pin shaft hole of the rod body is provided with an axial oil groove, wherein the orientation of the axial oil groove is arranged parallel with the axis of the pin shaft hole. An attaching plate oil groove is arranged inside at least one attaching plate of the two sides of the axial oil groove, wherein the attaching plate oil groove is arranged along the length direction of the rod body and is communicated with the axial oil groove. The attaching plate oil groove is communicated with an oil pipe which is arranged on one side face of the rod body, and a protective baffle is arranged on at least one side of a part, outside the attaching plates, of the oil pipe and a part, outside the rod body and near the attaching plates, of the oil pipe. Compared with the prior art, the lubricating device for the pull rod pin shaft of the loading machine has the prominent advantages of being simple in structure, space-saving, convenient to machine and capable of lowering the maintenance cost.
Description
Technical field
The utility model relates to the construction machinery production technical field, especially a kind of loader pull bar bearing pin lubricating arrangement.
Background technology
Pull bar of the present utility model is mainly used in playing the effect of connecting rocker arm and scraper bowl in the operating mechanism of loader.In the loader course of work; pull bar is stressed very large; the bearing pin of pull bar and scraper bowl junction rotates frequent; because of operating mode abominable; often have unrestrained material and clamp-on bearing pin; aggravate the wearing and tearing of this place's bearing pin, so the protection lubricated and lubrication circuit of the bearing pin at this place of how to do well just seems most important.
At present, loader is on the bearing pin lubrication circuit access way between pull bar and the scraper bowl both at home and abroad, what substantially adopt all is to arrange lubrication piping above pull bar, and in the mode near bearing pin place rat holing grease up, mainly there are the following problems for this kind lubricating system:
1, access thick walled steel tube above pull bar, need mechanical die mould, if mismachining tolerance is arranged, can cause difficulty is installed, and manufacturing cost is higher, the interface of this external steel pipe and flexible pipe also easily is loaded the material that machine transports and smashes;
2, from pull bar top access flexible pipe, add protective cover plate; Limited because of the pull bar width, cover plate is fixing relatively more difficult, and cluster easily comes off, and welded type is difficult for installation and maintenance; Because of the perk of pull bar front end, the cover plate profile cooperates relatively poor with pull bar again, and mismachining tolerance is large, the problem of not installing often occurs;
3, the material that often can be trickled down of lubrication circuit smashes; when especially shovel fills oversize rock material; building stones fall from the top; the lubrication circuit of pull bar upper end and protector thereof are with the rigid very large frontal impact power of bearing; very easily cause protector to damage, come off and oil pipe break, lose protection effect.
Summary of the invention
The utility model provides a kind of loader pull bar bearing pin lubricating arrangement, and it can solve the problem of three aspects: above-mentioned.
The utility model in order to solve the problems of the technologies described above the technical scheme that adopts is:
This loader pull bar bearing pin lubricating arrangement, include the body of rod that the two ends of being made by steel plate are provided with pin shaft hole, the both sides of described each pin shaft hole of the body of rod all are welded with a pasting board that is provided with the bearing pin through hole, the described body of rod has at least a pin shaft hole to be provided with one towards the axial oil groove that be arranged in parallel with place pin shaft hole axis in the side near body of rod middle part, in the pasting board of described axial oil groove both sides, have at least the inboard of a pasting board to be provided with to arrange along described body of rod length direction, the pasting board oil grain that is communicated with described axial oil groove, described pasting board oil groove is communicated with an oil pipe that is arranged in described body of rod side, and described oil pipe is positioned at the part in the described pasting board outside and at least one side of the part that is positioned at the close described pasting board in the described body of rod outside is provided with anti-skid plate.
In the technique scheme, further scheme can also be: the both sides that described oil pipe is positioned at the part in the described body of rod outside are equipped with described protective baffle plate.
Owing to having adopted technique scheme, the utility model compared with prior art, the beneficial effect that has is:
1, bearing pin lubrication circuit and the protector between this pull bar and the scraper bowl is simple in structure, is easy to realize, need not to increase new process equipment, and lubrication circuit is saved the space in the pull bar side arrangement, aspect protection greater advantage is arranged;
2, easy to process, low to requirement on machining accuracy, have preferably versatility, can realize at other types;
3, lubrication circuit is convenient for installation and maintenance, reduces maintenance cost.
Description of drawings
Fig. 1 is rod assembly and lubrication circuit structural representation thereof.
Fig. 2 is rod assembly and lubrication circuit partial sectional view thereof.
Fig. 3 is the front view behind the pull bar processing axial oil groove.
Fig. 4 is the pasting board front view.
Fig. 5 is the pasting board top view.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
In Fig. 1, the loader rod assembly shown in Figure 2, the axial oil groove that is parallel to stay rod pin axis hole axis at the circumference of the pin shaft hole of pull bar 1, near a position center line of processing at pull bar 1 middle part, as shown in Figure 3, having the cross section that a center line overlaps with pasting board 2 symmetrical center line at the lower surface symmetrical centre line position of the pasting board 2 of pull bar is the pasting board oil groove of rectangle, and the length of this pasting board oil groove is slightly less than pasting board 2 pin shaft hole radiuses; In this pasting board oil groove hole that communicates with above-mentioned pasting board oil groove of a side end face vertical drill apart from the pasting board 2 of pull bar 1 pin shaft hole distal-most end, the width of this bore dia and pasting board oil groove is identical or be slightly less than the width of pasting board oil groove, internal thread has been attacked on this top, hole, the angle coupling external screw thread of this internal thread and oil pipe 3 is complementary, such as Fig. 4, shown in Figure 5; After pull bar 1 and pasting board 2,6 seam, above-mentioned axial oil groove, pasting board oil groove and hole form a continuous cavity; After oil pipe 3 union elbows being screwed in the top in hole, the lubrication oil in the oil pipe 3 can enter in the pin shaft hole of pull bar 1 through above-mentioned continuous cavity, and the bearing pin that is contained in pull bar 1 pin shaft hole is lubricated.Above pull bar 1 one side end faces, the protective baffle plate 5 that profile and appearance and size similar to oil pipe 3 outlines is slightly larger than oil pipe 3 outer profile sizes is installed, during loader work, oil pipe 3 can be hidden below protective baffle plate 5, and the material of avoiding falling on the scraper bowl injures oil pipe 3 by a crashing object.A U-shaped fender rod 4 is installed in appropriate location below protective baffle plate 5 same side end faces, oil pipe 3, make oil pipe 3 can be attached to it above, also available pipe clamp is fixed on oil pipe 3 on the fender rod 4 in case of necessity; The other end of oil pipe 3 is accessed the lubricating system of loader, so far loader pull bar bearing pin lubricating arrangement installs.The pull bar 1 of installing as stated above and the loader pull bar bearing pin lubricating arrangement between the scraper bowl have following advantage: at first simple in structure; Lubrication circuit is arranged in the side of pull bar 1, saves the space, aspect protection greater advantage is arranged; Secondly easy to process, versatility is better, also can use at other types; At last, lubrication circuit is convenient for installation and maintenance, reduces maintenance cost.
Claims (2)
1. loader pull bar bearing pin lubricating arrangement, include the body of rod that the two ends of being made by steel plate are provided with pin shaft hole, the both sides of described each pin shaft hole of the body of rod all are welded with a pasting board that is provided with the bearing pin through hole, it is characterized in that: the described body of rod has at least a pin shaft hole to be provided with one towards the axial oil groove that be arranged in parallel with place pin shaft hole axis in the side near body of rod middle part, in the pasting board of described axial oil groove both sides, have at least the inboard of a pasting board to be provided with to arrange along described body of rod length direction, the pasting board oil grain that is communicated with described axial oil groove, described pasting board oil groove is communicated with an oil pipe that is arranged in described body of rod side, and described oil pipe is positioned at the part in the described pasting board outside and at least one side of the part that is positioned at the close described pasting board in the described body of rod outside is provided with anti-skid plate.
2. loader pull bar bearing pin lubricating arrangement according to claim 1 is characterized in that: the both sides that described oil pipe is positioned at the part in the described body of rod outside are equipped with described protective baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546034 CN202913451U (en) | 2012-10-24 | 2012-10-24 | Lubricating device for pull rod pin shaft of loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546034 CN202913451U (en) | 2012-10-24 | 2012-10-24 | Lubricating device for pull rod pin shaft of loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202913451U true CN202913451U (en) | 2013-05-01 |
Family
ID=48161774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220546034 Expired - Lifetime CN202913451U (en) | 2012-10-24 | 2012-10-24 | Lubricating device for pull rod pin shaft of loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202913451U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049578A (en) * | 2016-08-09 | 2016-10-26 | 雷沃重工股份有限公司 | Novel long pull rod structure for loader working device and loader |
| WO2020182345A1 (en) * | 2019-03-08 | 2020-09-17 | Caterpillar Sarl | Grease feeding piping arrangement structure in construction machine |
-
2012
- 2012-10-24 CN CN 201220546034 patent/CN202913451U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049578A (en) * | 2016-08-09 | 2016-10-26 | 雷沃重工股份有限公司 | Novel long pull rod structure for loader working device and loader |
| CN106049578B (en) * | 2016-08-09 | 2018-08-24 | 青岛雷沃工程机械有限公司 | A kind of novel long draw structure and loading machine of working device of loader |
| WO2020182345A1 (en) * | 2019-03-08 | 2020-09-17 | Caterpillar Sarl | Grease feeding piping arrangement structure in construction machine |
| CN113557337A (en) * | 2019-03-08 | 2021-10-26 | 卡特彼勒Sarl | Grease supply pipe arrangement structure in construction machine |
| CN113557337B (en) * | 2019-03-08 | 2023-09-08 | 卡特彼勒Sarl | Grease supply pipe arrangement in construction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |