CN203500222U - Pin shaft lubricating system, folding arm support system and concrete pumping equipment - Google Patents

Pin shaft lubricating system, folding arm support system and concrete pumping equipment Download PDF

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Publication number
CN203500222U
CN203500222U CN201320645248.4U CN201320645248U CN203500222U CN 203500222 U CN203500222 U CN 203500222U CN 201320645248 U CN201320645248 U CN 201320645248U CN 203500222 U CN203500222 U CN 203500222U
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CN
China
Prior art keywords
bearing pin
link
joint
pouring orifice
lubrication system
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Expired - Fee Related
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CN201320645248.4U
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Chinese (zh)
Inventor
周海霞
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201320645248.4U priority Critical patent/CN203500222U/en
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Abstract

The utility model discloses a round pin axle lubricating system, folding cantilever crane system and concrete pumping equipment, round pin axle lubricating system, include through round pin axle (4) articulated first connecting piece (2) and second connecting piece (3), first connecting piece (2) and/or second connecting piece (3) with be formed with enclosure space (41) between round pin axle (4), round pin axle lubricating system still include with oiling mouth (7) of enclosure space (41) intercommunication, this oiling mouth (7) form first connecting piece (2) and/or on second connecting piece (3). The utility model discloses a round pin axle lubricating system makes the oiling more convenient, lasts to lubricate round pin axle and copper sheathing effectively, has avoided selling the influence that the trompil caused to its intensity on the axle, can wide application in all kinds of round pin axle articulated mechanisms.

Description

A kind of bearing pin lubrication system, foldable arm rack system and concrete pumping equipment
Technical field
The utility model relates to a kind of lubricating fitting, particularly, relates to a kind of bearing pin lubrication system.On this basis, the utility model also relates to a kind of foldable arm rack system with described bearing pin lubrication system.In addition, the utility model also relates to a kind of concrete pumping equipment that comprises described arm support folding system.
Background technique
In engineering machinery, it is for connecting two modes that component are conventional that bearing pin connects, particularly hinged so that the occasion that adjacent two component can rotate mutually at needs.In the mutual movement process of adjacent two component connecting at bearing pin, in order to reduce parts depreciation, increase the service life, need to be lubricated at bearing pin and component joint.The most frequently used lubricant medium is exactly lubricant oil.
Yet, as shown in Figure 1, in existing system, often adopt solid bearing pin 4 ' to connect the first adjacent link 2 ' and the second link 3 ', so that described the first link 2 ' and the second link 3 ' can rotate mutually.At bearing pin 4 ' two ends, have oilhole 5 ', by locating oiling at lubricating cup 1 ', lubricant oil enters copper sheathing 6 ' through oilhole 5 ' and locates to form oil film, realizes wear-resisting rotation.Yet, owing to using and install actual, often at the oilhole 5 ' at bearing pin 4 ' two ends, locate to exist the parts such as connecting rod, hydralic hose, activity space is narrow, hinder oiling.And solid pin exists weight larger, in installing and using, consume the shortcomings such as more human and material resources and machining of oil hole complex process.
In the bearing pin lubrication system shown in Fig. 2, adopt the hollow bearing pin 3 ' that meets requirement of strength to connect the first link 2 ' and the second link 3 ', in the end face lubricating cup 1 ' oiling of bearing pin 3 ', through oilhole 5 ', be that copper sheathing 6 ' is lubricated.This system has alleviated the large defect of solid pin weight to a certain extent, but still has the shortcoming of oiling inconvenience.
In addition, on bearing pin, process oilhole 5 ', greatly weakened the join strength of bearing pin 4 ', shortened the working life of bearing pin 4 '.
In view of this, need to design a kind of novel bearing pin lubrication system, to solve the defect existing in above-mentioned prior art.
Model utility content
The purpose of this utility model is to provide a kind of bearing pin lubrication system, and this bearing pin lubrication system oiling is convenient, and bearing pin quality is less and have higher intensity.
To achieve these goals, the utility model provides a kind of bearing pin lubrication system, comprise by the first hinged link of bearing pin and the second link, between described the first link and/or described the second link and described bearing pin, be formed with enclosed space, described bearing pin lubrication system also comprises the pouring orifice being communicated with described enclosed space, and this pouring orifice is formed on described the first link and/or described the second link.
Preferably, on described pouring orifice, lubricating oil path is installed, this lubricating oil path comprises the joint being arranged on this pouring orifice and the lubricating cup being fixedly installed, and described joint is connected by oil pipe with described lubricating cup.
Particularly, described pouring orifice is tapped hole, and described jiont treatment is on this tapped hole.
Preferably, described bearing pin lubrication system also comprises the fixedly shrouding with threaded mounting hole, and described lubricating cup is arranged on described fixedly shrouding by this threaded mounting hole.
On this basis, the utility model provides a kind of foldable arm rack system, comprise by boom pin hinged the first arm joint and the second arm and saving, described foldable arm rack system also comprise that the utility model provides bearing pin lubrication system, described the first link is the first arm joint, described the second link is the second arm joint, and described bearing pin is boom pin.
Specifically selectively, described the first arm joint comprises symmetrically arranged the first through hole and the second through hole, described the second arm joint comprises hollow portion, described boom pin is successively through described the first through hole, described hollow portion and described the second through hole, described enclosed space is formed between described boom pin and described hollow portion, and described pouring orifice is formed on the sidewall of described hollow portion.
Preferably, on described pouring orifice, lubricating oil path is installed, this lubricating oil path comprises the joint being arranged on this pouring orifice and the lubricating cup being fixedly installed, described joint is connected by oil pipe with described lubricating cup, and described bearing pin lubrication system also comprises having the fixedly shrouding that thread bush is installed, and described lubricating cup is threaded on this thread bush.
Further preferably, described fixedly shrouding is fixed on described the first arm joint and/or described the second arm joint.
Specifically selectively, a plurality of described thread bushs are installed on described fixedly shrouding, described in each, on thread bush, are separately installed with described lubricating cup.
In addition, the utility model also provides a kind of concrete pumping equipment, comprises foldable arm rack system, and wherein, described foldable arm rack system is the foldable arm rack system described in above-mentioned any one.
By technique scheme, the pouring orifice of bearing pin lubrication system of the present utility model can be arranged on the arbitrary position of its link, makes the oiling of lubrication system convenient and simple.In enclosed space, can store lubricant oil, reduce oiling frequency, and can guarantee system sufficient lubrication.On bearing pin, needn't open oilhole, simplify procedure, improve the intensity of bearing pin simultaneously, extend working life.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is solid pin lubrication system schematic diagram in prior art;
Fig. 2 is prior art hollow core bearing pin lubrication system schematic diagram;
Fig. 3 is the schematic diagram of the bearing pin lubrication system of the utility model embodiment;
Fig. 4 is the schematic diagram of the first link in bearing pin lubrication system in Fig. 3;
Fig. 5 is the schematic diagram of the second link in bearing pin lubrication system in Fig. 3;
Fig. 6 is the schematic diagram of bearing pin in bearing pin lubrication system in Fig. 3;
Fig. 7 is the lubricating oil path schematic diagram of the bearing pin lubrication system of the utility model embodiment.
Description of reference numerals
1 ' lubricating cup; The 2 ' first link;
The 3 ' second link; 4 ' bearing pin;
5 ' oilhole; 6 ' copper sheathing;
1 lubricating cup; 2 first links;
21 first through holes; 22 second through holes;
3 second links; 31 hollow portions;
4 bearing pins; 41 enclosed spaces;
5 oil pipes; 6 copper sheathings;
7 pouring orifices; 8 fixing shroudings;
9 joints; 10 thread bushs.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
Referring to Fig. 3 to Fig. 6, bearing pin lubrication system of the present utility model comprises by the first hinged link 2 of bearing pin 4 and the second link 3, between described the first link 2 and/or described the second link 3 and described bearing pin 4, be formed with enclosed space 41 for storing lubricant oil, on described the first link 2 and/or the second link 3, be formed with pouring orifice 7, this pouring orifice 7 is communicated with described enclosed space 41.Lubricated for bearing pin 4 by the pouring orifice 7 being formed on the first link 2 and/or the second link 3, lubricant oil is stored in enclosed space 41, guarantee the sufficient lubricant oil that has between bearing pin 4 and link.Pouring orifice 7 is formed on link, avoids owing to opening the remitted its fury that oilhole causes on bearing pin 4.
On the basis of above-mentioned technical conceive, in order to make oiling convenient, conventionally on pouring orifice 7, lubricating oil path is installed, as shown in Figure 7.Described lubricating oil path comprises the joint 9 being connected with pouring orifice 7 and the lubricating cup 1 being fixedly installed, and described joint 9 is connected by oil pipe 5 with described lubricating cup 1, can be so just system oiling at lubricating cup 1 place far away apart from pouring orifice 7.Here position and the pipeline trend of oil pipe 5 can be arranged according to the practical structures of link and appurtenances thereof, so that oiling is convenient.
Pouring orifice 7 on above-mentioned the first link 2 and/or the second link 3 can have multiple conventional form selective, preferably, pouring orifice 7 is set to tapped hole, accordingly, on joint 9, be processed with screw thread or be connected with threaded piece, so that be tightly connected with pouring orifice 7.
As shown in Figure 7, for lubricating cup 1 is fixedly attached on the first link 2 or the second link 3, the fixedly shrouding 8 with threaded mounting hole is preferably set, described lubricating cup 1 is arranged on fixedly on shrouding 8 by described threaded mounting hole.
On technique scheme basis, particularly, this bearing pin lubrication system is applied in foldable arm rack system, foregoing the first link 2 is specially the first arm joint, foregoing the second link 3 is specially the second arm joint, by boom pin, the first arm joint and the second arm joint is hinged.
As shown in Figure 4 and Figure 5, in actual applications, described the first arm joint comprises symmetrically arranged the first through hole 21 and the second through hole 22, described the second arm joint comprises hollow portion 31, boom pin is successively through described the first through hole 21, described hollow portion 31 and described the second through hole 22, the side of copper sheathing 6, bearing pin 4 outer cylinder surfaces and hollow portion 31 inner peripheries have formed annular cavity jointly like this, for storing lubricant oil, thereby enter by extruding in the right groove of copper sheathing 6, are lubricated.
This foldable arm rack system also can arrange lubricating oil path on pouring orifice 7, by joint 9, oil pipe 5, lubricating cup 1 and comprise that the fixedly shrouding 8 of thread bush 10 forms described lubricating oil path, concrete connection is consistent with above-mentioned bearing pin lubrication system, just repeats no more here.
But it should be noted that, described fixedly shrouding 8 can be connected to the first arm joint and/or the second arm joint is upper, other are convenient on the part of oiling also can be connected to connecting rod etc.Placement is preferably splicing, but is not limited to this, and the Placement that other are common, within welding, being threaded and also belonging to the utility model design scope.
Lubricating oil path schematic diagram as shown in Figure 7, at one, fixedly on shrouding 8, can be provided with a plurality of thread bushs, be used for installing a plurality of lubricating cups 1 and connect corresponding lubricating oil path and bearing pin 4, this can be in open position, same space, for a plurality of bearing pins, be lubricated simultaneously, simplified the structure of entire system.
The utility model also provides a kind of concrete pumping equipment, and this concrete pumping equipment comprises the foldable arm rack system described in any one above.
Comprehensive the above technological scheme, adopts bearing pin lubrication system of the present utility model, overall structure, need to, from the oiling of bearing pin side, also just not eliminate the impact of oilhole on bearing pin intensity.By the lubricating cup on link, carry out oiling, more convenient to operate, being stored in lubricant oil in enclosed space, to have realized continuous and effective lubricated, and the consumption that further reduces wear, makes bearing pin and copper sheathing more durable.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.For example, the threaded mounting hole on fixing shrouding 8 can be changed and be welded on this fixedly threaded connector on shrouding, by this threaded connector, described oil pipe 5 be coupled together with described lubricating cup 1.
It should be noted that in addition each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a bearing pin lubrication system, comprise by hinged the first link (2) of bearing pin (4) and the second link (3), between described the first link (2) and/or described the second link (3) and described bearing pin (4), be formed with enclosed space (41), it is characterized in that, described bearing pin lubrication system also comprises the pouring orifice (7) being communicated with described enclosed space (41), and this pouring orifice (7) is formed on described the first link (2) and/or described the second link (3).
2. bearing pin lubrication system according to claim 1, it is characterized in that, described pouring orifice is provided with lubricating oil path on (7), this lubricating oil path comprises the joint (9) being arranged on this pouring orifice (7) and the lubricating cup (1) being fixedly installed, and described joint (9) is connected by oil pipe (5) with described lubricating cup (1).
3. bearing pin lubrication system according to claim 2, is characterized in that, described pouring orifice (7) is tapped hole, and described joint (9) is arranged on this tapped hole.
4. according to the bearing pin lubrication system described in claim 2 or 3, it is characterized in that, described bearing pin lubrication system also comprises the fixedly shrouding (8) with threaded mounting hole, and described lubricating cup (1) is arranged on described fixedly shrouding (8) by this threaded mounting hole.
5. a foldable arm rack system, comprise by boom pin hinged the first arm joint and the second arm and saving, it is characterized in that, also comprise bearing pin lubrication system according to claim 1, described the first link (2) is the first arm joint, described the second link (3) is the second arm joint, and described bearing pin (4) is boom pin.
6. foldable arm rack system according to claim 5, it is characterized in that, described the first arm joint comprises symmetrically arranged the first through hole (21) and the second through hole (22), described the second arm joint comprises hollow portion (31), described boom pin is successively through described the first through hole (21), described hollow portion (31) and described the second through hole (22), described enclosed space (41) is formed between described boom pin and described hollow portion (31), and described pouring orifice (7) is formed on the sidewall of described hollow portion (31).
7. according to the foldable arm rack system described in claim 5 or 6, it is characterized in that, described pouring orifice is provided with lubricating oil path on (7), this lubricating oil path comprises the joint (9) being arranged on this pouring orifice and the lubricating cup (1) being fixedly installed, described joint (9) is connected by oil pipe (5) with described lubricating cup (1), and described bearing pin lubrication system also comprises having the fixedly shrouding (8) that thread bush (10) is installed, and described lubricating cup is threaded on this thread bush (10).
8. foldable arm rack system according to claim 7, is characterized in that, described fixedly shrouding (8) is fixed on described the first arm joint and/or described the second arm joint.
9. foldable arm rack system according to claim 7, is characterized in that, a plurality of described thread bushs are installed on described fixedly shrouding (8), is separately installed with described lubricating cup (1) on thread bush described in each (10).
10. a concrete pumping equipment, comprises foldable arm rack system, it is characterized in that, described foldable arm rack system is the foldable arm rack system described in any one in 5-9.
CN201320645248.4U 2013-10-18 2013-10-18 Pin shaft lubricating system, folding arm support system and concrete pumping equipment Expired - Fee Related CN203500222U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320645248.4U CN203500222U (en) 2013-10-18 2013-10-18 Pin shaft lubricating system, folding arm support system and concrete pumping equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320645248.4U CN203500222U (en) 2013-10-18 2013-10-18 Pin shaft lubricating system, folding arm support system and concrete pumping equipment

Publications (1)

Publication Number Publication Date
CN203500222U true CN203500222U (en) 2014-03-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984814A (en) * 2015-02-06 2016-10-05 合肥神马科技集团有限公司 Crane and engineering machinery chassis thereof
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
CN113606244A (en) * 2021-08-09 2021-11-05 长沙迈科轴承有限公司 Pin shaft for pump truck and machining process thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984814A (en) * 2015-02-06 2016-10-05 合肥神马科技集团有限公司 Crane and engineering machinery chassis thereof
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
CN113606244A (en) * 2021-08-09 2021-11-05 长沙迈科轴承有限公司 Pin shaft for pump truck and machining process thereof

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20161018