CN107542773A - Pumping rocker bearing self-lubricating structure and pump truck - Google Patents
Pumping rocker bearing self-lubricating structure and pump truck Download PDFInfo
- Publication number
- CN107542773A CN107542773A CN201710782697.6A CN201710782697A CN107542773A CN 107542773 A CN107542773 A CN 107542773A CN 201710782697 A CN201710782697 A CN 201710782697A CN 107542773 A CN107542773 A CN 107542773A
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- CN
- China
- Prior art keywords
- spacer
- pumping
- rocking arm
- oil
- bearing
- 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.)
- Granted
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 32
- 125000006850 spacer group Chemical group 0.000 claims abstract description 57
- 230000001050 lubricating effect Effects 0.000 claims abstract description 32
- 238000005461 lubrication Methods 0.000 claims abstract description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 abstract description 74
- 239000004519 grease Substances 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 description 16
- 238000005299 abrasion Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to the technical field of engineering machinery, in particular to a pumping rocker bearing self-lubricating structure and a pump truck. The pumping rocker bearing self-lubricating structure comprises a rocker, an annular bush, a spacer bush, a spherical bearing and a driving piston rod, wherein the annular bush can rotate at will circumferentially, lubricating grease of a front lubricating oil channel in a bearing seat sequentially enters a first oil groove and a second oil groove of the annular bush and then enters a space between the spherical bearing and a ball head of a piston rod of an oil cylinder through a chromium-plated spacer bush, the rocker and an oil hole of the spherical bearing, under the driving of the oil cylinder, the synchronous lubricating pump injects lubricating grease into the lubricating position of the spherical bearing and the ball head of the piston rod of the oil cylinder through the channels every time the rocker arm swings, so that the lubricating grease channel of the fixed part and the moving part is smooth, the automatic lubrication of the pumping rocker arm spherical bearing which is an important mechanism is realized at lower cost, the service life of the spherical bearing is prolonged, the gap adjustment period is prolonged, the lubricating grease is timely filled, the swing amplitude of the rocker arm is ensured, and the pumping efficiency is improved.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of pumping rocker bearing self-lubricating structure and pump truck.
Background technology
At present, in engineering machinery field, particularly on pump truck, pumping distribution rocker arm body includes rocking arm, pipe axle, piston rod
Deng part, cylinder piston rod driving rocking arm makes rocking arm and pipe axle be rotated together in the bearing block of pipe axle, in the course of the work,
Oil cylinder piston bulb has very big impact to spherical bearing, as insufficient lubrication easily causes spherical bearing premature wear, rocking arm pendulum
Dynamic amplitude reduces, and pumping efficiency reduces.Rocker bearing lubricating system is at present：Lubricating cup is installed above rocking arm, oilhole leads to two
Spherical bearing, artificial periodically filling lubricating ester, and physical device is in use, because of lubricating ester filling not in time, cause face ball bearing
Short-term abrasion, rocking arm amplitude of fluctuation reduce, and pumping efficiency reduces.
Therefore, for drawbacks described above, it is desirable to provide one kind pumping rocker bearing self-lubricating structure and pump truck.
The content of the invention
(1) technical problems to be solved
It is existing to solve the technical problem to be solved in the present invention is to provide one kind pumping rocker bearing self-lubricating structure and pump truck
Have pumping rocking arm spherical bearing and piston rod bulb manually fill filling that lubricating ester is brought not in time, easily short-term abrasion, rocking arm
The problem of amplitude of fluctuation is small.
(2) technical scheme
In order to solve the above technical problems, the invention provides one kind to pump rocker bearing self-lubricating structure, including rocking arm, ring
Shape bushing, spacer, spherical bearing and driving piston rod, the fixed connection end of the rocking arm are fixed on pipe axle, are flexibly connected end
By spherical bearing with driving the bulb of piston rod to be flexibly connected, the pipe axle is rotatably arranged on bearing block, described to shake
Arm together rotates under the driving of driving piston rod with the pipe axle；The spacer is set between the bearing block and pipe axle, institute
The one end for stating spacer has the bearing surface abutted with the rocking arm；It is provided with the spherical bearing, rocking arm and spacer and connects successively
Logical back segment oil leab；The leading portion oil leab being connected with lubricating pump is provided with the bearing block；The bearing block and institute
State and be provided with ring bush between spacer, the ring bush is provided with the first oil groove, institute with the position that the bearing block contacts
State ring bush and the position that the spacer contacts is provided with the second oil groove, first oil groove connects with second oil groove；
First oil groove connects with the leading portion oil leab, and second oil groove connects with the back segment oil leab.
Wherein, one end that the spacer contacts with the rocking arm is radially projecting abutting part, the abutting part and institute
The side for stating rocking arm fixed connection end abuts.
Wherein, the pipe axle is provided with clamp nut with one end that the rocking arm is connected, and the clamp nut is pressed on institute
State side of the rocking arm fixed connection end away from the spacer.
Wherein, oil leab is arranged in the abutting part in the spacer.
Wherein, the leading portion oil leab includes the first branch's oil duct connected with first oil groove and is communicated to institute
State bearing block inwall and second branch's oil duct on the contact surface of the spacer.
Wherein, the first oil groove of the ring bush and the second oil groove are annular.
Wherein, first oil groove and the second oil groove are connected by the multiple through holes being evenly distributed on the ring bush
It is logical.
Wherein, the spacer is chromium plating spacer, and the driving piston rod is cylinder piston rod, and the pipe axle is S pipe axles.
Wherein, the rocking arm is flexibly connected end both sides and sets axisymmetric two spherical bearings, the lubrication in the rocking arm
Passage divides the lubrication channel that two-way is connected respectively in described two spherical bearings.
Another aspect of the present invention additionally provides a kind of pump truck, including above-mentioned pumping rocker bearing self-lubricating structure.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：
In the present invention, rocking arm and chromium plating spacer swing work when, rocking arm rotates together with chromium plating spacer and S pipe axles
(swing), bearing block position are fixed, and ring bush can arbitrarily be rotated with circumference, the lubricating ester of preceding oil leab in bearing block
The oil groove of ring bush first and the second oil groove are sequentially entered, then sphere is entered by chromium plating spacer, rocking arm, spherical bearing oilhole
Between bearing and cylinder piston rod bulb, under hydraulic oil cylinder driving, rocking arm is often swung once, and synchronous lubricating pump with upper channel by being incited somebody to action
Lubricating ester is injected into spherical bearing and cylinder piston rod bulb lubricant housings, realizes the smooth of fixture and movement parts oil leab
It is logical, it ensure that the position lubricating oil film that withstands shocks is not destroyed, realizing pumping rocking arm spherical bearing with lower cost, this is heavy
Want the self-lubricate of mechanism, structure is concise, makes full use of the synchronous lubricating system of pump truck, extend spherical bearing service life with
Gap adjusts the cycle, the reliability of lifting pumping distributor gear, there is very strong practical value with lower cost, lubricating ester filling and
When, rocking arm amplitude of fluctuation is ensure that, improves pumping efficiency.
Brief description of the drawings
Fig. 1 is that the structure that driving piston rod coordinates with rocking arm in pumping rocker bearing self-lubricating structure of the embodiment of the present invention is shown
It is intended to；
Fig. 2 is Fig. 1 A-A cross-sectional views；
Fig. 3 is the partial enlarged drawing at M in Fig. 2；
Fig. 4 is the structural representation that the embodiment of the present invention pumps ring bush in rocker bearing self-lubricating structure.
In figure：1st, rocking arm；2nd, spherical bearing；3rd, piston rod bulb；4th, bearing block；5th, spacer；6th, ring bush；7th, manage
Axle；8th, clamp nut；9th, pump interface is lubricated；10：Through hole；11：First oil groove；12nd, first branch's oil duct；13rd, the second branch oil
Road；14th, the second oil groove.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
In description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " vertical ", " water
It is flat ", " top ", " bottom " " interior ", the orientation of the instruction such as " outer " or position relationship for based on orientation shown in the drawings or position relationship, only
It is to be described for the ease of description is of the invention with simplified, rather than the device or element of instruction or hint meaning must be with specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As Figure 1-Figure 4, pumping rocker bearing self-lubricating structure provided by the invention include rocking arm 1, ring bush 6,
Spacer 5, spherical bearing 2 and driving piston rod, the fixed connection end of the rocking arm 1 are fixed on pipe axle 7, are flexibly connected end and are passed through
Spherical bearing 2 is flexibly connected with the bulb of driving piston rod (being specially cylinder piston rod), and the pipe axle 7 is rotatably arranged in
On bearing block 4, the rocking arm 1 together rotates under the driving of driving piston rod with the pipe axle 7；The spacer 5 sets described
Between bearing block 4 and pipe axle 7, one end of the spacer 5 has the bearing surface abutted with the rocking arm 1；The spherical bearing 2,
The back segment oil leab being sequentially communicated is provided with rocking arm 1 and spacer 5；It is provided with what is be connected with lubricating pump in the bearing block 4
Leading portion oil leab, the porch of leading portion oil leab set lubrication pump interface；Annular is provided between bearing block 4 and spacer 5
Bushing 6, ring bush 6 circumferentially can arbitrarily rotate, and ring bush 6 is provided with the first oil with the position that bearing block 4 contacts
Groove 11, ring bush 6 are provided with the second oil groove 14 with the position that spacer 5 contacts, and the first oil groove 11 connects with second oil groove 14
It is logical；First oil groove 11 connects with leading portion oil leab, and the second oil groove 14 connects with back segment oil leab.Its middle pipe axle 7 is S pipe axles
7, the porch of the preceding lubrication channel of bearing block, which is set, lubricates pump interface 9, and the direction of arrow is lubricating ester conveying direction in figure.
In the above embodiment of the present invention, driving piston rod drives rocking arm 1 to rotate by spherical bearing 2, the fixation of rocking arm 1
Connection end is fixed on pipe axle 7, and then pipe axle 7 rotates on bearing block 4；Spacer 5 is set between the bearing block 4 and pipe axle 7,
Rotated with pipe axle 7, one end of spacer 5 has the bearing surface abutted with the rocking arm 1；By designing lubrication channel in rocking arm 1,
Lubricating ester is supplied to spherical bearing 2 and piston rod ball through the lubrication channel in spherical bearing 2 again from the lubrication channel inside rocking arm 1
The position of first 3 contact；By setting the leading portion oil leab being connected with lubricating pump in bearing block 4, there is provided the confession of lubricating ester
Answer oil duct；By the setting of ring bush 6, while realizing that bearing block 4 is slidably matched with spacer 5, fixture is also achieved
Bearing block 4 and the rocking arm 1 of movable part and the oil duct connectivity problem of spacer 5, pass through the first oil groove 11, the second oil groove of its connection
14 setting, lubricating ester is also provided by preceding lubrication channel lubrication channel is supplied backward mode and approach, specifically, annular
In the rotation process of bushing 6, the lubricating ester in bearing block 4 can enter second by the passage between 11, two oil grooves of the first oil groove
Oil groove 14, and then the lubrication channel entered in rocking arm 1；So, lubricating ester by the oil groove of bushing, passes sequentially through in bearing block 4
Spacer 5, rocking arm 1, spherical bearing 2 are entered between spherical bearing 2 and cylinder piston rod bulb 3, under hydraulic oil cylinder driving, rocking arm 1
Often swing once, lubricating pump by lubricating ester with upper channel by being injected into spherical bearing 2 and the lubrication portion of cylinder piston rod bulb 3
Position.
Further, one end that spacer 5 contacts with rocking arm 1 is radially projecting abutting part, and abutting part is fixed with rocking arm 1
The side of connection end abuts.By the setting of the abutting part of protrusion, be easy to the end of spacer 5 and rocking arm 1 dock and fixation.
Further, pipe axle 7 is provided with clamp nut 8 with one end that rocking arm 1 is connected, and it is solid that clamp nut 8 is pressed on rocking arm 1
Determine side of the connection end away from spacer 5.By the setting of clamp nut 8, it is easy to be combined with abutting part jointly axially solid in pipe axle 7
Determine rocking arm 1.Rocking arm 1 is connected on S pipes axle 7 with spacer 5 by spline tooth, can be crossed clamp nut 8 and is pressed on bearing block 4.
Preferably, oil leab is arranged in abutting part in spacer 5, and it is reasonable that oil duct is set, also will not be to the main body of spacer 5
Intensity impacts；Further, the first oil groove 11 of ring bush 6 and the second oil groove 14 are annular, are rotated in ring bush 6
During, the first oil groove 11 can the connection for connecing, ensureing whole oil duct relative with the outlet of lubrication channel in bearing block 4 all the time.
Specifically, the both ends of the surface of ring bush 6 of the invention process the first oil groove 11 and the second oil groove 14, and two oil grooves pass through logical
Hole 10 communicates, and spacer 5 processes lubrication channel in circumferential size position same with the annular oil groove of ring bush 6, is processed on rocking arm 1
Go out to illustrate lubrication channel, it is identical with the lubrication channel position of the contact position of spacer 5.
Further, leading portion oil leab includes the first branch's oil duct 12 connected with the first oil groove 11 and is communicated to axle
The inwall of bearing 4 and second branch's oil duct 13 on the contact surface of spacer 5.Pass through interior first branch's oil duct being located in bearing block 4
12 setting ensures that lubricating ester is delivered to bushing internal oil channel by bearing block 4, while is arranged to axle by second branch's oil duct 13
The inwall of bearing 4 and the outer wall of spacer 5 conveying lubricant grease, reduce friction between the two, and then reduce the resistance that rocking arm 1 rotates,
Improve the swing efficiency of rocking arm 1.
Preferably, the first oil groove 11 is connected with the second oil groove 14 by the multiple through holes being evenly distributed on ring bush 6,
During rocking arm 1 is swung, there is provided the chance that lubrication channel docks with the inner via hole of ring bush 6 in more bearing blocks 4,
It is enough by ring bush 6 to be more favorable to lubricating oil.
Further, spacer 5 is chromium plating spacer 5, and then can improve the abrasion resistance of spacer 5, and pipe axle is specially S pipe axles.
Further, rocking arm 1 is flexibly connected end both sides and sets axisymmetric two spherical bearings, and the lubrication in rocking arm 1 is led to
Road is divided to the lubrication channel that two-way is connected respectively in two spherical bearings 2, usually, rocking arm 1 corresponding both direction by
The driving of corresponding two piston rods, it is divided to the lubrication channel that two-way connects two spherical bearings 2 respectively by lubrication channel in rocking arm 1
Setting, ensure two spherical bearings 2 at piston rod bulb 3 lubrication.
The pump truck that another aspect of the present invention provides, including above-mentioned pumping rocker bearing self-lubricating structure.
In the present invention, rocking arm 1 and chromium plating spacer 5 swing work when, rocking arm 1 and chromium plating spacer 5 with S pipes axle 7 together
Rotation, amplitude of fluctuation are 70 degree or so.The position of bearing block 4 is fixed, and ring bush 6 can arbitrarily be rotated with circumference, bearing block 4
Middle lubricating ester enters the oil groove of ring bush 6, then enters spherical bearing 2 by chromium plating spacer 5, rocking arm 1, the oilhole of spherical bearing 2
Between cylinder piston rod bulb 3, under hydraulic oil cylinder driving, rocking arm 1 is often swung once, and synchronous lubricating pump with upper channel by that will be moistened
Sliding ester is injected into spherical bearing 2 and the lubricant housings of cylinder piston rod bulb 3, realizes pumping rocking arm 1 this important mechanism oneself
Dynamic lubrication, structure is concise, makes full use of the synchronous lubricating system of pump truck, extends the service life of spherical bearing 2 and is adjusted with gap
In the cycle, the reliability of lifting pumping distributor gear, there is very strong practical value with lower cost.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and modification can also be made, these improvement and modification
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. one kind pumping rocker bearing self-lubricating structure, it is characterised in that including rocking arm, ring bush, spacer, spherical bearing and
Piston rod is driven, the fixed connection end of the rocking arm is fixed on pipe axle, is flexibly connected end and is passed through spherical bearing and driving piston
The bulb of bar is flexibly connected, and the pipe axle is rotatably arranged on bearing block, and the rocking arm is under the driving of driving piston rod
Together rotated with the pipe axle；The spacer is set between the bearing block and pipe axle, one end of the spacer have with it is described
The bearing surface that rocking arm abuts；The back segment oil leab being sequentially communicated is provided with the spherical bearing, rocking arm and spacer；The axle
The leading portion oil leab being connected with lubricating pump is provided with bearing；Annular lining is provided between the bearing block and the spacer
Set, the ring bush are provided with the first oil groove with the position that the bearing block contacts, and the ring bush connects with the spacer
Tactile position is provided with the second oil groove, and first oil groove connects with second oil groove；First oil groove and the leading portion
Oil leab connects, and second oil groove connects with the back segment oil leab.
2. pumping rocker bearing self-lubricating structure as claimed in claim 1, it is characterised in that the spacer connects with the rocking arm
Tactile one end is radially projecting abutting part, and the abutting part abuts with the side of the rocking arm fixed connection end.
3. pumping rocker bearing self-lubricating structure as claimed in claim 2, it is characterised in that the pipe axle connects with the rocking arm
The one end connect is provided with clamp nut, and the clamp nut is pressed on one of the rocking arm fixed connection end away from the spacer
Side.
4. pumping rocker bearing self-lubricating structure as claimed in claim 3, it is characterised in that oil leab is set in the spacer
Put in the abutting part.
5. pumping rocker bearing self-lubricating structure as claimed in claim 4, it is characterised in that the leading portion oil leab includes
First branch's oil duct for being connected with first oil groove and be communicated to the bearing block inwall with the contact surface of the spacer
Second branch's oil duct.
6. pumping rocker bearing self-lubricating structure as claimed in claim 5, it is characterised in that the first oil of the ring bush
Groove and the second oil groove are annular.
7. pumping rocker bearing self-lubricating structure as claimed in claim 6, it is characterised in that first oil groove and the second oil
Groove is connected by the multiple through holes being evenly distributed on the ring bush.
8. pumping rocker bearing self-lubricating structure as claimed in claim 7, it is characterised in that the spacer is chromium plating spacer,
The driving piston rod is cylinder piston rod, and the pipe axle is S pipe axles.
9. pumping rocker bearing self-lubricating structure as claimed in claim 8, it is characterised in that the rocking arm is flexibly connected end two
Side sets axisymmetric two spherical bearings, and the lubrication channel in the rocking arm divides two-way to be connected respectively to described two spherical axis
Hold interior lubrication channel.
10. a kind of pump truck, it is characterised in that including the pumping rocker bearing self-lubricating structure described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782697.6A CN107542773B (en) | 2017-09-02 | 2017-09-02 | Pumping rocker bearing self-lubricating structure and pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782697.6A CN107542773B (en) | 2017-09-02 | 2017-09-02 | Pumping rocker bearing self-lubricating structure and pump truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107542773A true CN107542773A (en) | 2018-01-05 |
| CN107542773B CN107542773B (en) | 2019-06-28 |
Family
ID=60958776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710782697.6A Active CN107542773B (en) | 2017-09-02 | 2017-09-02 | Pumping rocker bearing self-lubricating structure and pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107542773B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397729A (en) * | 2019-08-12 | 2019-11-01 | 合肥华骏汽车部件有限公司 | A kind of Rocker arm assembly of riveting process |
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| US3299986A (en) * | 1965-01-25 | 1967-01-24 | Stephen F Briggs | Valve operating lifter and valve train lubricator |
| US4856366A (en) * | 1986-05-27 | 1989-08-15 | Vilter Manufacturing Company | Connecting rod bearing assembly |
| CN2087246U (en) * | 1991-03-08 | 1991-10-23 | 建设部长沙建筑机械研究所 | Loading mechanism for axial load in two direction |
| JPH05231418A (en) * | 1992-02-19 | 1993-09-07 | Nissan Motor Co Ltd | Lubricating oil passage construction for connecting rod |
| CN2542849Y (en) * | 2001-11-14 | 2003-04-02 | 江苏省机电研究所 | S tube bearing of concrete pump |
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| CN203548590U (en) * | 2013-09-27 | 2014-04-16 | 三一汽车制造有限公司 | Bearing pedestal, bearing assembly, lubricating system and concrete pumping equipment |
| CN204279383U (en) * | 2014-11-18 | 2015-04-22 | 北汽福田汽车股份有限公司 | A kind of swing arm and there is its concrete pump truck |
| CN204877916U (en) * | 2015-07-10 | 2015-12-16 | 长沙拓湃工程机械设备有限公司 | Concrete pump S pipe valve |
| CN103470555B (en) * | 2013-09-10 | 2017-04-05 | 三一汽车制造有限公司 | A kind of wabbler mechanism and concrete pumping equipment |
-
2017
- 2017-09-02 CN CN201710782697.6A patent/CN107542773B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299986A (en) * | 1965-01-25 | 1967-01-24 | Stephen F Briggs | Valve operating lifter and valve train lubricator |
| US4856366A (en) * | 1986-05-27 | 1989-08-15 | Vilter Manufacturing Company | Connecting rod bearing assembly |
| CN2087246U (en) * | 1991-03-08 | 1991-10-23 | 建设部长沙建筑机械研究所 | Loading mechanism for axial load in two direction |
| JPH05231418A (en) * | 1992-02-19 | 1993-09-07 | Nissan Motor Co Ltd | Lubricating oil passage construction for connecting rod |
| CN2542849Y (en) * | 2001-11-14 | 2003-04-02 | 江苏省机电研究所 | S tube bearing of concrete pump |
| CN201448229U (en) * | 2009-05-07 | 2010-05-05 | 扬州柳工建设机械有限公司 | S-pipe sealing mechanism of concrete delivery pump |
| CN103470555B (en) * | 2013-09-10 | 2017-04-05 | 三一汽车制造有限公司 | A kind of wabbler mechanism and concrete pumping equipment |
| CN203548590U (en) * | 2013-09-27 | 2014-04-16 | 三一汽车制造有限公司 | Bearing pedestal, bearing assembly, lubricating system and concrete pumping equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397729A (en) * | 2019-08-12 | 2019-11-01 | 合肥华骏汽车部件有限公司 | A kind of Rocker arm assembly of riveting process |
| CN110397729B (en) * | 2019-08-12 | 2024-04-30 | 合肥华骏汽车部件有限公司 | Rocker arm assembly of riveting process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107542773B (en) | 2019-06-28 |
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Address after: 415106 Guanxi Town, Dingcheng District, Changde, Hunan Patentee after: Hunan Xiangjian Heavy Industry Technology Co.,Ltd. Address before: 415106 Guanxi Town, Dingcheng District, Changde, Hunan Patentee before: HUNAN XIANGJIAN HEAVY INDUSTRY TECHNOLOGY CO.,LTD. |
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Denomination of invention: A self-lubricating structure and pump truck for pumping rocker arm bearings Granted publication date: 20190628 Pledgee: Agricultural Bank of China Limited Changde branch Pledgor: Hunan Xiangjian Heavy Industry Technology Co.,Ltd. Registration number: Y2024980001561 |
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