CN107542773B - Pumping rocker bearing self-lubricating structure and pump truck - Google Patents
Pumping rocker bearing self-lubricating structure and pump truck Download PDFInfo
- Publication number
- CN107542773B CN107542773B CN201710782697.6A CN201710782697A CN107542773B CN 107542773 B CN107542773 B CN 107542773B CN 201710782697 A CN201710782697 A CN 201710782697A CN 107542773 B CN107542773 B CN 107542773B
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- Prior art keywords
- rocker arm
- rocker
- spacer
- pumping
- oil
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- 238000005086 pumping Methods 0.000 title claims abstract description 33
- 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 77
- 239000004519 grease Substances 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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 structures and pump truck.
Background technique
Currently, especially on pump truck, pumping distribution rocker arm body includes rocker arm, pipe axis, piston rod in engineering machinery field
Equal components, cylinder piston rod drive rocker arm, rotate rocker arm and pipe axis in the bearing block of pipe axis together, during the work time,
Oil cylinder piston bulb has very big impact to spherical bearing, as insufficient lubrication easily causes spherical bearing premature wear, rocker arm pendulum
Dynamic amplitude reduces, and pumping efficiency reduces.Rocker bearing lubricating system is at present: lubricating cup is installed above rocker arm, oilhole leads to two
Spherical bearing, artificial periodically filling lubricating ester, and physical device is in use, not in time because of lubricating ester filling, cause face ball bearing
Short-term abrasion, rocker arm amplitude of fluctuation reduce, and pumping efficiency reduces.
Therefore, in view of the foregoing drawbacks, it is desirable to provide a kind of pumping rocker bearing self-lubricating structure and pump truck.
Summary of the invention
(1) technical problems to be solved
It is existing to solve that the technical problem to be solved in the present invention is to provide a kind of pumping rocker bearing self-lubricating structures and pump truck
Have pumping rocker arm spherical bearing and piston rod bulb manually fill the filling of lubricating ester bring not in time, easily short-term abrasion, rocker arm
The small problem of amplitude of fluctuation.
(2) technical solution
In order to solve the above technical problems, the present invention provides a kind of pumping rocker bearing self-lubricating structure, including rocker arm, ring
Shape bushing, spacer, spherical bearing and driving piston rod, the fixed connection end of the rocker arm are fixed on pipe axis, are flexibly connected end
It is flexibly connected by spherical bearing with the bulb of driving piston rod, the pipe axis is rotatably arranged on bearing block, described to shake
Arm rotates together with the pipe axis under the driving of driving piston rod；The spacer is arranged between the bearing block and pipe axis, institute
The one end for stating spacer has the bearing surface abutted with the rocker arm；It is provided in the spherical bearing, rocker arm and spacer and successively connects
Logical back segment oil leab；The leading portion oil leab connecting with lubricating pump is provided in the bearing block；The bearing block and institute
It states and is provided with ring bush between spacer, the position that the ring bush is contacted with the bearing block is provided with the first oil groove, institute
It states the position that ring bush is contacted with the spacer and is provided with the second oil groove, first oil groove is connected to second oil groove；
First oil groove is connected to the leading portion oil leab, and second oil groove is connected to the back segment oil leab.
Wherein, one end that the spacer is contacted with the rocker arm is radially projecting abutting part, the abutting part and institute
The side for stating rocker arm fixed connection end abuts.
Wherein, one end that the pipe axis is connect with the rocker arm is provided with clamp nut, and the clamp nut is pressed on institute
State side of the rocker arm fixed connection end far from the spacer.
Wherein, oil leab is arranged in the abutting part in the spacer.
Wherein, the leading portion oil leab includes first branch's oil duct being connected to first oil groove and is connected to institute
State second branch's oil duct on the contact surface of bearing block inner wall and 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 axis is S pipe axis.
Wherein, the rocker arm is flexibly connected axisymmetric two spherical bearings of end two sides setting, the lubrication in the rocker arm
Channel divides two-way to be connected respectively to the lubrication channel 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
Above-mentioned technical proposal of the invention has the advantages that
In the present invention, rocker arm and chromium plating spacer swing work when, rocker arm is rotated together with chromium plating spacer and S pipe axis
(swing), bearing block position be it is fixed, ring bush can arbitrarily be rotated with circumference, the lubricating ester of preceding oil leab in bearing block
The first oil groove of ring bush and the second oil groove are sequentially entered, then spherical surface is entered by chromium plating spacer, rocker arm, spherical bearing oilhole
Between bearing and cylinder piston rod bulb, under oil cylinder driving, rocker arm is every to be swung primary, and synchronous lubricating pump will be by will with upper channel
Lubricating ester is injected into spherical bearing and cylinder piston rod bulb lubricant housings, realizes the smooth of fixing piece and movement parts oil leab
It is logical, it ensure that absorbing impact position lubricating oil film is not destroyed, realizing pumping rocker arm spherical bearing with lower cost, this is heavy
Want the self-lubricate of mechanism, structure is concise, makes full use of the synchronization lubricating system of pump truck, extend spherical bearing service life with
Gap adjusts the period, promotes the reliability of pumping distributor gear, has a very strong practical value with lower cost, lubricating ester filling and
When, it ensure that rocker arm amplitude of fluctuation, improve pumping efficiency.
Detailed description of the invention
Fig. 1 is that the structure that driving piston rod cooperates with rocker arm in pumping rocker bearing self-lubricating structure of the embodiment of the present invention is shown
It is intended to；
Fig. 2 is the A-A the schematic diagram of the section structure of Fig. 1；
Fig. 3 is the partial enlarged view in Fig. 2 at M；
Fig. 4 is the structural schematic diagram that the embodiment of the present invention pumps ring bush in rocker bearing self-lubricating structure.
In figure: 1, rocker arm；2, spherical bearing；3, piston rod bulb；4, bearing block；5, spacer；6, ring bush；7, it manages
Axis；8, clamp nut；9, pump interface is lubricated；10: through-hole；11: the first oil grooves；12, first branch's oil duct；13, the second branch oil
Road；14, the second oil groove.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In description of the invention, it is to be understood that term " center ", "upper", "lower", "front", "rear", "vertical", " water
It is flat ", "top", "bottom" "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As Figure 1-Figure 4, pumping rocker bearing self-lubricating structure provided by the invention include rocker arm 1, ring bush 6,
Spacer 5, spherical bearing 2 and driving piston rod, the fixed connection end of the rocker arm 1 are fixed on pipe axis 7, are flexibly connected end and are passed through
Spherical bearing 2 is flexibly connected with the bulb of driving piston rod (specially cylinder piston rod), and the pipe axis 7 is rotatably arranged in
On bearing block 4, the rocker arm 1 rotates under the driving of driving piston rod with the pipe axis 7 together；The spacer 5 is arranged described
Between bearing block 4 and pipe axis 7, one end of the spacer 5 has the bearing surface abutted with the rocker arm 1；The spherical bearing 2,
The back segment oil leab being sequentially communicated is provided in rocker arm 1 and spacer 5；It is provided in the bearing block 4 and to be connect with lubricating pump
Leading portion oil leab, the inlet setting lubrication pump interface of leading portion oil leab；Annular is provided between bearing block 4 and spacer 5
Bushing 6, ring bush 6 circumferentially can arbitrarily rotate, and the position that ring bush 6 is contacted with bearing block 4 is provided with the first oil
Slot 11, the position that ring bush 6 is contacted with spacer 5 are provided with the second oil groove 14, and the first oil groove 11 connects with second oil groove 14
It is logical；First oil groove 11 is connected to leading portion oil leab, and the second oil groove 14 is connected to back segment oil leab.Wherein pipe axis 7 is S pipe axis
7, the inlet setting of the preceding lubrication channel of bearing block lubricates pump interface 9, and arrow direction is lubricating ester conveying direction in figure.
In the above embodiment of the present invention, driving piston rod drives rocker arm 1 to rotate by spherical bearing 2, the fixation of rocker arm 1
Connecting pin is fixed on pipe axis 7, and then pipe axis 7 rotates on bearing block 4；Spacer 5 is arranged between the bearing block 4 and pipe axis 7,
It is rotated with pipe axis 7, one end of spacer 5 has the bearing surface abutted with the rocker arm 1；By designing lubrication channel in rocker 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 rocker arm 1
The position of first 3 contact；By the way that the leading portion oil leab connecting with lubricating pump is arranged in bearing block 4, the confession of lubricating ester is provided
Answer oil duct；Fixing piece is also achieved while realizing that bearing block 4 and spacer 5 are slidably matched by the setting of ring bush 6
Bearing block 4 and the rocker arm 1 of movable part and the oil duct connectivity problem of spacer 5, pass through its connection the first oil groove 11, the second oil groove
14 setting also provides lubricating ester by preceding lubrication channel lubrication channel is supplied backward mode and approach, specifically, annular
In 6 rotation process of bushing, the lubricating ester in bearing block 4 can enter second by the channel between 11, two oil grooves of the first oil groove
Oil groove 14, and then enter the lubrication channel in rocker arm 1；In this way, lubricating ester is passed sequentially through by the oil groove of bushing in bearing block 4
Spacer 5, rocker arm 1, spherical bearing 2 enter between spherical bearing 2 and cylinder piston rod bulb 3, under oil cylinder driving, rocker arm 1
Every to swing once, lubricating pump is by being injected into spherical bearing 2 and 3 lubrication portion of cylinder piston rod bulb for lubricating ester with upper channel
Position.
Further, one end that spacer 5 is contacted with rocker arm 1 is radially projecting abutting part, and abutting part and rocker arm 1 are fixed
The side of connecting pin abuts.By the setting of the abutting part of protrusion, convenient for 5 end of spacer and rocker arm 1 dock and fixation.
Further, one end that pipe axis 7 is connect with rocker arm 1 is provided with clamp nut 8, and it is solid that clamp nut 8 is pressed on rocker arm 1
Determine side of the connecting pin far from spacer 5.By the setting of clamp nut 8, convenient for jointly axial solid in pipe axis 7 in conjunction with abutting part
Determine rocker arm 1.Rocker arm 1 and spacer 5 are connected on S pipe axis 7 by spline tooth, can be crossed clamp nut 8 and are pressed on bearing block 4.
Preferably, oil leab is arranged in abutting part in spacer 5, and oil duct setting rationally, will not be to 5 main body of spacer
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
In the process, the first oil groove 11 can the outlet always with lubrication channel in bearing block 4 be connected to each other, guarantee the connection of entire oil duct.
Specifically, 6 both ends of the surface of ring bush 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 same as 6 annular oil groove of ring bush position, processes on rocker arm 1
Lubrication channel is illustrated out, it is identical as the lubrication channel position of 5 contact position of spacer.
Further, leading portion oil leab includes first branch's oil duct 12 being connected to the first oil groove 11 and is connected to axis
Hold second branch's oil duct 13 on the contact surface of 4 inner wall of seat and spacer 5.Pass through interior first branch's oil duct being located in bearing block 4
12 setting guarantees that lubricating ester is delivered to bushing internal oil channel by bearing block 4, while being set as axis by second branch's oil duct 13
It holds 4 inner wall of seat and 5 outer wall of spacer conveys lubricant grease, reduce friction between the two, and then reduce the resistance that rocker arm 1 rotates,
Improve the swing efficiency of rocker arm 1.
Preferably, the first oil groove 11 is connected to the second oil groove 14 by the multiple through-holes being evenly distributed on ring bush 6,
During rocker arm 1 is swung, the chance that lubrication channel is docked with 6 inner via hole of ring bush in more bearing blocks 4 is provided,
It is enough by ring bush 6 to be more favorable to lubricating oil.
Further, spacer 5 is chromium plating spacer 5, and then the wear resistance of spacer 5 can be improved, and pipe axis is specially S pipe axis.
Further, rocker arm 1 is flexibly connected axisymmetric two spherical bearings of end two sides setting, and the lubrication in rocker arm 1 is logical
Road is divided to two-way to be connected respectively to the lubrication channel in two spherical bearings 2, generally, rocker arm 1 corresponding both direction by
Corresponding two piston rods driving, the lubrication channel for being divided to two-way to be separately connected two spherical bearings 2 by lubrication channel in rocker arm 1
Setting, guarantee the lubrication of piston rod bulb 3 at two spherical bearings 2.
The pump truck that another aspect of the present invention provides, including above-mentioned pumping rocker bearing self-lubricating structure.
In the present invention, rocker arm 1 and chromium plating spacer 5 swing work when, rocker arm 1 and chromium plating spacer 5 and S pipe axis 7 are together
Rotation, amplitude of fluctuation are 70 degree or so.4 position of bearing block be it is fixed, ring bush 6 can arbitrarily be rotated with circumference, bearing block 4
Middle lubricating ester enters 6 oil groove of ring bush, then enters spherical bearing 2 by chromium plating spacer 5, rocker arm 1,2 oilhole of spherical bearing
Between cylinder piston rod bulb 3, under oil cylinder driving, rocker arm 1 is every to be swung once, and synchronous lubricating pump with upper channel by that will be moistened
Cunning ester is injected into spherical bearing 2 and 3 lubricant housings of cylinder piston rod bulb, realizes pumping 1 this important mechanism of rocker arm oneself
Dynamic lubrication, structure is concise, makes full use of the synchronization lubricating system of pump truck, extends 2 service life of spherical bearing and gap adjusts
Period promotes the reliability of pumping distributor gear, has very strong practical value with lower cost.
The above is only a 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, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of pumping rocker bearing self-lubricating structure, which is characterized in that including rocker arm, ring bush, spacer, spherical bearing and
Piston rod is driven, the fixed connection end of the rocker arm is fixed on pipe axis, is flexibly connected end and is passed through spherical bearing and driving piston
The bulb of bar is flexibly connected, and the pipe axis is rotatably arranged on bearing block, and the rocker arm is under the driving of driving piston rod
It is rotated together with the pipe axis；The spacer is arranged between the bearing block and pipe axis, one end of the spacer have with it is described
The bearing surface that rocker arm abuts；The back segment oil leab being sequentially communicated is provided in the spherical bearing, rocker arm and spacer；The axis
Hold the leading portion oil leab for being provided in seat and connecting with lubricating pump；Annular lining is provided between the bearing block and the spacer
Set, the position that the ring bush is contacted with the bearing block are provided with the first oil groove, and the ring bush connects with the spacer
The position of touching is provided with the second oil groove, and first oil groove is connected to second oil groove；First oil groove and the leading portion
Oil leab connection, second oil groove are connected to the back segment oil leab.
2. pumping rocker bearing self-lubricating structure as described in claim 1, which is characterized in that the spacer connects with the rocker arm
One end of touching is radially projecting abutting part, and the abutting part is abutted with the side of the rocker arm fixed connection end.
3. pumping rocker bearing self-lubricating structure as claimed in claim 2, which is characterized in that the pipe axis and the rocker arm connect
The one end connect is provided with clamp nut, and the clamp nut is pressed on one of the rocker arm fixed connection end far from the spacer
Side.
4. pumping rocker bearing self-lubricating structure as claimed in claim 3, which is characterized in that oil leab is set in the spacer
It sets in the abutting part.
5. pumping rocker bearing self-lubricating structure as claimed in claim 4, which is characterized in that the leading portion oil leab includes
It first branch's oil duct for being connected to first oil groove and is connected on the contact surface of the bearing block inner wall and the spacer
Second branch's oil duct.
6. pumping rocker bearing self-lubricating structure as claimed in claim 5, which is characterized in that the first oil of the ring bush
Slot and the second oil groove are annular.
7. pumping rocker bearing self-lubricating structure as claimed in claim 6, which is characterized in that first oil groove and the second oil
Slot is connected to by the multiple through-holes being evenly distributed on the ring bush.
8. pumping rocker bearing self-lubricating structure as claimed in claim 7, which is characterized in that the spacer is chromium plating spacer,
The driving piston rod is cylinder piston rod, and the pipe axis is S pipe axis.
9. pumping rocker bearing self-lubricating structure as claimed in claim 8, which is characterized in that the rocker arm is flexibly connected end two
Axisymmetric two spherical bearings are arranged in side, and the lubrication channel in the rocker arm divides two-way to be connected respectively to described two spherical axis
Hold interior lubrication channel.
10. a kind of pump truck, which is characterized in that including the described in any item pumping rocker bearing self-lubricating structures of claim 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 CN107542773A (en) | 2018-01-05 |
| CN107542773B true 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 |
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| CN (1) | CN107542773B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
| 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 |
| 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 |
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| CN107542773A (en) | 2018-01-05 |
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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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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |