CN107520287A - One kind operates convenient straightener - Google Patents
One kind operates convenient straightener Download PDFInfo
- Publication number
- CN107520287A CN107520287A CN201710373366.7A CN201710373366A CN107520287A CN 107520287 A CN107520287 A CN 107520287A CN 201710373366 A CN201710373366 A CN 201710373366A CN 107520287 A CN107520287 A CN 107520287A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil outlet
- hydraulic control
- control
- oil
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000009471 action Effects 0.000 claims abstract description 14
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 20
- 230000003028 elevating effect Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C5/00—Pointing; Push-pointing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/161—Control arrangements for fluid-driven presses controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
- B30B15/20—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Actuator (AREA)
Abstract
The invention discloses one kind to operate convenient straightener, including frame, mechanical manipulation mechanism, hydraulic control, aligning mechanism and testing agency, the control action that the hydraulic control provides according to the mechanical manipulation mechanism provides the hydraulic oil of different flow directions and flow velocity, the control action linear change that the flow velocity of the hydraulic oil provides according to the mechanical manipulation mechanism for the aligning mechanism.The present invention controls the alignment of aligning mechanism to act by mechanical manipulation mechanism and hydraulic control, the Aligning speed that can accurately manipulate aligning mechanism according to being actually needed, and operates facility, and response is sensitive.
Description
Technical field
The present invention relates to strip metal alignment machinery, more particularly to a kind of convenient straightener of operation.
Background technology
In machinery production field, need to be straightened after mechanical axis production, the linearity of finished product mechanical axis is met the requirements.
Straightener is the equipment being straightened to mechanical axis.Because alignment process needs to apply larger radial pressure to mechanical axis, therefore
Straightener is typically driven by hydraulic means, and hydraulic means is moved by the flow direction and flow control aligning mechanism for controlling hydraulic oil
Direction and translational speed.
, could quick and essence because metal alignment needs to rely on worker's rich experience and the sensitive speed control of straightener
Really the metal of bending is straightened.Existing hydraulic means passes through the flow direction and flow of solenoid valve control hydraulic oil, magnetic valve pair
The flow control of hydraulic oil is stepped, therefore the translational speed of coalignment can not be controlled accurately；On the other hand, Gong Rentong
Cross the moving direction and translational speed of button control coalignment, not only manipulate it is cumbersome, and can not be according to the curved of each metal
Qu Chengdu accurate adjustments, easily cause alignment excessively or lengthening is straightened the time.
The content of the invention
The technical problems to be solved by the invention are, there is provided one kind operates convenient straightener, can be according to being actually needed
The Aligning speed of accurate manipulation aligning mechanism, and facility is operated, response is sensitive.
Inferior orientation upper all around mentioned by the present invention limits, and is using Fig. 1 as reference unless otherwise instructed.
In order to solve the above-mentioned technical problem, the invention provides one kind to operate convenient straightener, including frame, machinery behaviour
Mechanism, hydraulic control, aligning mechanism and testing agency are controlled,
The frame is provided with detection platform, and the detection platform is used for fixed workpiece to be straightened, and according to alignment and detection need
Want and mobile workpiece to be straightened；
The mechanical manipulation mechanism is used to controlling the alignment and detection operation of straightener, and by the span of control limit of control of operator press than
Example reduces and is converted into the control action of hydraulic control；
The control action that the hydraulic control provides according to the mechanical manipulation mechanism provides difference for the aligning mechanism
The hydraulic oil of flow direction and flow velocity, the control action that the flow velocity of the hydraulic oil provides according to the mechanical manipulation mechanism linearly become
Change；
The aligning mechanism includes being vertically arranged at the hydraulic cylinder above the detection platform, and the hydraulic oil of the hydraulic cylinder is by institute
Hydraulic control offer is stated, the piston rod of the hydraulic cylinder is provided with pressure towards the detection platform, the end of the piston rod
Block；
The testing agency includes at least two groups of jump measuring instruments in the detection platform；
Wherein, the mechanical manipulation mechanism is provided with is converted to the rotation for controlling the hydraulic control by swinging for handle
The changeover mechanism of control action, the changeover mechanism refer to the Rotary Connection block being connected with the valve element of the hydraulic control,
The Rotary Connection block is hinged with the handle so that the handle can drive the Rotary Connection block to rotate and with the rotation
It is fulcrum swing to turn contiguous block.
As the improvement of such scheme, the handle is through the hinged place of the Rotary Connection block and extends downwardly, with cunning
Dynamic seat controlling switch connection.
As the improvement of such scheme, the hydraulic control includes hydraulic pump, hydraulic jack and hydraulic control valve, institute
Stating hydraulic control valve includes valve body, valve pocket and valve element, and the valve body is provided with the first annular cavity for being used for accommodating the valve pocket, institute
State valve pocket surface and be provided with fuel feed hole, the first oil outlet, the second oil outlet and spill port, the fuel feed hole, the first oil outlet, second
Oil outlet and spill port connect with the oil inlet pipe on the valve body, the first flowline, the second flowline and oil return pipe, and described first
The other end of flowline and the second flowline is connected with the hydraulic cylinder；The spool face is provided with outwardly piston ring land, institute
The second toroidal cavity that the fuel feed hole, the first oil outlet, the second oil outlet and spill port are communicated with inside valve pocket is stated, it is described
Junction in second toroidal cavity with the fuel feed hole, the first oil outlet, the second oil outlet and spill port is provided with current limliting groove, institute
The width for stating current limliting groove is more than the width of piston ring land.
As the improvement of such scheme, when hydraulic control valve is in original state, current limliting groove described in the piston ring land face；
When Spool rotating, the piston ring land turns to the current limliting groove side, and fuel feed hole is connected with the first oil outlet or the second oil outlet
And it is set to isolate with remaining oilhole.
As the improvement of such scheme, the flow area that the fuel feed hole connects with the first oil outlet or the second oil outlet is big
The small anglec of rotation by the valve element determines.
As the improvement of such scheme, the handle top is provided with the button switch for being used for controlling the elevating mechanism.
Implement the present invention, have the advantages that：
The present invention controls the alignment of aligning mechanism to act by mechanical manipulation mechanism and hydraulic control, can be according to being actually needed
The Aligning speed of accurate manipulation aligning mechanism, operation facility, response are sensitive.
Brief description of the drawings
Fig. 1 is a kind of front view of straightener of the present invention；
Fig. 2 is a kind of stereogram of straightener of the present invention；
Fig. 3 is a kind of internal structure schematic diagram of straightener of the present invention；
Fig. 4 is a kind of mechanical manipulation mechanism of straightener of the present invention and the structural representation of hydraulic control；
Fig. 5 is Fig. 4 partial enlarged drawing；
Fig. 6 is a kind of hydraulic control valve Light Condition schematic diagram of straightener of the present invention；
Fig. 7 is a kind of hydraulic control valve load condition schematic diagram of straightener of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
As shown in Figure 1-Figure 3, the embodiments of the invention provide one kind to operate convenient straightener, including frame 1, machinery behaviour
Mechanism 2, hydraulic control 3, aligning mechanism 4 and testing agency 5 are controlled,
The frame 1 is provided with detection platform 11, and the detection platform 11 is used for fixed workpiece to be straightened, and according to alignment and inspection
Surveying needs and mobile workpiece to be straightened；In alignment process, workpiece to be straightened is positioned in detection platform 11, and worker can be straight with hand
Connect and overturn workpiece to be straightened, make workpiece turning to be straightened to suitable angle.
The mechanical manipulation mechanism 2 is used for the alignment and detection operation for controlling straightener, and the control width by operator
Spend control action that is scaled and being converted into hydraulic control 3.
The control action that the hydraulic control 3 provides according to the mechanical manipulation mechanism 2 is that the aligning mechanism carries
For different flow directions and the hydraulic oil of flow velocity, the control action that the flow velocity of the hydraulic oil provides according to the mechanical manipulation mechanism 2
Linear change.
The aligning mechanism 4 includes the hydraulic cylinder 41 for being vertically arranged at the top of detection platform 11, the hydraulic cylinder 41
Hydraulic oil provided by the hydraulic control 3, the piston rod 42 of the hydraulic cylinder 41 is described towards the detection platform 11
The end of piston rod 42 is provided with briquetting 43, and the briquetting 43 has radian corresponding with workpiece to be straightened, prevented in alignment process
Workpiece local pressure to be straightened is excessive and abnormal deformation.
The testing agency 5 includes at least two groups of jump measuring instruments 51 in the detection platform 11.The bounce
Measuring instrument 51 is used for the linearity for measuring workpiece to be straightened, and worker can draw according to the numerical value difference of jump measuring instrument 51 treats school
The general curved degree of straight workpiece, is then targetedly straightened.
The present invention controls the alignment of aligning mechanism 4 to act by mechanical manipulation mechanism 2 and hydraulic control 3, can basis
The Aligning speed of accurate manipulation aligning mechanism 4 is actually needed, and operates facility, response is sensitive.
Preferably, the detection platform 11 includes support base 12, and the top of support base 12 is provided with paired supporting rollern
（It is not drawn into figure）, the supporting rollern facilitates the rotation of workpiece to be straightened.The support base 12 is provided with elevating mechanism 13.
The probe 52 of the jump measuring instrument 51 is located at the side of support base 12；The support base 12 can be in the elevating mechanism 13
Driving under lift so that the supporting rollern of support base 12 is higher or lower than the probe 52.Alignment workpiece is treated when needs to enter
During row measurement, the elevating mechanism 13 declines, and workpiece bottom to be straightened contacts with the probe 52, and the display of jump measuring instrument 51 connects
The position numerical value of contact, worker can draw the general curved journey of workpiece to be straightened according to the numerical value difference of jump measuring instrument 51
Degree, is then targetedly straightened；When needs, which treat alignment workpiece, to be straightened, the elevating mechanism 13 rises, and treats
Alignment workpiece leaves the probe 52, avoids being straightened jump measuring instrument 51 described in the impact failure of coalignment when carrying out.
Preferably, the mechanical manipulation mechanism 2 is provided with is converted to the control hydraulic control by swinging for handle 21
The changeover mechanism of the rotation control action of mechanism 3.
Further, with reference to a kind of mechanical manipulation mechanism of straightener of Fig. 4, Fig. 5 present invention and the knot of hydraulic control
The partial enlarged drawing of structure schematic diagram and Fig. 4, the changeover mechanism refer to what is be connected with the valve element 34 of the hydraulic control 3
Rotary Connection block 22, the Rotary Connection block 22 are be hinged with the handle 21 so that the handle 21 can drive the rotation
Contiguous block 22 rotates and with the Rotary Connection block 22 for fulcrum swing.The handle 21 passes through the Rotary Connection block 22
Hinged place and extend downwardly, be connected with sliding seat controlling switch 6.
It should be noted that the handle 21 is similar to lightning class, because the amplitude of fluctuation of the front end of handle 21 is larger, therefore
By the handle 21 that swings, the rotation of Rotary Connection block 22 can be controlled, to improve control accuracy.The handle 21 passes through institute
State the hinged place of Rotary Connection block 22 and extend downwardly, be connected with sliding seat controlling switch 6, will when 21 swing of handle
The sliding seat controlling switch 6 is touched, the sliding seat controlling switch 6 controls sliding seat 14 to move left and right, is easy to treat alignment
The different parts of workpiece are straightened.
Preferably, the hydraulic control 3 includes hydraulic pump（It is not drawn into figure）, hydraulic jack（It is not drawn into figure）With
Hydraulic control valve 31, the hydraulic control valve 31 include valve body 32, valve pocket 33 and valve element 34, and the valve body 32, which is provided with, to be used to accommodate
The first annular cavity 35 of the valve pocket 33, the surface of valve pocket 33 are circumferentially with fuel feed hole 36, the first oil outlet 37, second gone out
Oilhole 38 and spill port 39, the fuel feed hole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39 and the valve body 32
On oil inlet pipe, the first flowline, the second flowline connected with oil return pipe, first flowline and the second flowline it is another
End is connected with the hydraulic cylinder 41；The surface of valve element 34 is provided with outwardly piston ring land 341, and the inside of valve pocket 33, which is provided with, to be connected
Lead to the second toroidal cavity 331 of the fuel feed hole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39, described second
Junction in toroidal cavity 331 with the fuel feed hole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39 is provided with limit
Chute 332, the width of the current limliting groove 332 are more than the width of piston ring land 341.
The operation principle of the hydraulic control valve 31 is：Such as a kind of hydraulic control valve zero load shape of straightener of Fig. 6 present invention
Shown in state schematic diagram, when hydraulic control valve 31 is in original state, current limliting groove 332 described in the face of piston ring land 341, by institute
The width for stating current limliting groove 332 is more than the width of piston ring land 341, Prebeveling between current limliting groove 332 and piston ring land 341 be present, it is described enter
Oilhole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39 are interconnected, and hydraulic system is unloaded.Such as Fig. 7 present invention one
Shown in the hydraulic control valve load condition schematic diagram of kind straightener, when valve element 34 rotates, the piston ring land 341 turns to the current limliting
The side of groove 332 simultaneously abuts, the diameter phase of the diameter of piston ring land 341 and the second toroidal cavity 331 with second toroidal cavity 331
Together, fuel feed hole 36 is connected with the first oil outlet 37 or the second oil outlet 38 and it is isolated with remaining oilhole.
Preferably, the flow area size that the fuel feed hole 36 connects with the first oil outlet 37 or the second oil outlet 38 is by institute
The anglec of rotation for stating valve element 34 determines.
It should be noted that the flow area that the fuel feed hole 36 connects with the first oil outlet 37 or the second oil outlet 38 is big
The small anglec of rotation by the valve element 34 determines to refer to：The anglec of rotation of valve element 34 and the oil outlet of fuel feed hole 36 and first
37 or second oil outlet 38 connect flow area linear relationship be present, when valve element 34 rotates, piston ring land 341 and corresponding second
The relative position of toroidal cavity 331 gradually changes, and influences corresponding cross section of fluid channel size, to reach accurate control hydraulic fluid flow rate
Requirement.
Preferably, on sliding seat 14, the sliding seat 14 can move left and right the support base 12 with respect to frame 1,
Horizontally slipping for the sliding seat 14 is controlled by the sliding seat controlling switch 6.The sliding seat 14 drives support base 12 or so
It is mobile, workpiece to be straightened is moved to the left or to the right, the differently curved position of workpiece is straightened.
Preferably, the top of the handle 21 is provided with the button switch 7 for being used for controlling the elevating mechanism 13, during operation
Only need one hand to hold handle 21, with thumb control button switch 7 can complete straightener manipulation, manipulate convenient, flexible.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (6)
1. one kind operates convenient straightener, it is characterised in that including frame, mechanical manipulation mechanism, hydraulic control, alignment
Mechanism and testing agency,
The frame is provided with detection platform, and the detection platform is used for fixed workpiece to be straightened, and according to alignment and detection need
Want and mobile workpiece to be straightened；
The mechanical manipulation mechanism is used to controlling the alignment and detection operation of straightener, and by the span of control limit of control of operator press than
Example reduces and is converted into the control action of hydraulic control；
The control action that the hydraulic control provides according to the mechanical manipulation mechanism provides difference for the aligning mechanism
The hydraulic oil of flow direction and flow velocity, the control action that the flow velocity of the hydraulic oil provides according to the mechanical manipulation mechanism linearly become
Change；
The aligning mechanism includes being vertically arranged at the hydraulic cylinder above the detection platform, and the hydraulic oil of the hydraulic cylinder is by institute
Hydraulic control offer is stated, the piston rod of the hydraulic cylinder is provided with pressure towards the detection platform, the end of the piston rod
Block；
The testing agency includes at least two groups of jump measuring instruments in the detection platform；
Wherein, the mechanical manipulation mechanism is provided with is converted to the rotation for controlling the hydraulic control by swinging for handle
The changeover mechanism of control action, the changeover mechanism refer to the Rotary Connection block being connected with the valve element of the hydraulic control,
The Rotary Connection block is hinged with the handle so that the handle can drive the Rotary Connection block to rotate and with the rotation
It is fulcrum swing to turn contiguous block.
2. convenient straightener is operated as claimed in claim 1, it is characterised in that the handle passes through the Rotary Connection block
Hinged place and extend downwardly, be connected with sliding seat controlling switch.
3. convenient straightener is operated as claimed in claim 1, it is characterised in that the hydraulic control includes hydraulic pressure
Pump, hydraulic jack and hydraulic control valve, the hydraulic control valve include valve body, valve pocket and valve element, and the valve body, which is provided with, to be used to hold
Receive the first annular cavity of the valve pocket, the valve pocket surface is provided with fuel feed hole, the first oil outlet, the second oil outlet and oil return
Hole, oil inlet pipe, the first flowline on the fuel feed hole, the first oil outlet, the second oil outlet and spill port and the valve body, the
Two flowlines are connected with oil return pipe, and the other end of first flowline and the second flowline is connected with the hydraulic cylinder；It is described
Spool face is provided with outwardly piston ring land, and the fuel feed hole, the first oil outlet, second fuel-displaced is communicated with inside the valve pocket
Hole and the second toroidal cavity of spill port, in second toroidal cavity with the fuel feed hole, the first oil outlet, the second oil outlet
Current limliting groove is provided with the junction of spill port, the width of the current limliting groove is more than the width of piston ring land.
4. convenient straightener is operated as claimed in claim 3, it is characterised in that when hydraulic control valve is in original state
When, current limliting groove described in the piston ring land face；When Spool rotating, the piston ring land turns to the current limliting groove side, by fuel feed hole with
First oil outlet or the second oil outlet connect and it is isolated with remaining oilhole.
5. convenient straightener is operated as claimed in claim 4, it is characterised in that the fuel feed hole and the first oil outlet or
The flow area size of two oil outlets connection is determined by the anglec of rotation of the valve element.
6. convenient straightener is operated as claimed in claim 2, it is characterised in that the handle top, which is provided with, to be used to control institute
State the button switch of elevating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373366.7A CN107520287B (en) | 2017-05-24 | 2017-05-24 | Straightening machine convenient to operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373366.7A CN107520287B (en) | 2017-05-24 | 2017-05-24 | Straightening machine convenient to operate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107520287A true CN107520287A (en) | 2017-12-29 |
| CN107520287B CN107520287B (en) | 2020-02-25 |
Family
ID=60748533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373366.7A Expired - Fee Related CN107520287B (en) | 2017-05-24 | 2017-05-24 | Straightening machine convenient to operate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107520287B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052512A (en) * | 2018-01-18 | 2019-07-26 | 辽宁五一八内燃机配件有限公司 | A kind of Upset Forging Crankshafts coalignment and aligning method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52771U (en) * | 1975-06-21 | 1977-01-06 | ||
| CN101979173A (en) * | 2010-11-27 | 2011-02-23 | 玉环普天单向器有限公司 | Hydraulic straightening device |
| CN102601177A (en) * | 2012-03-02 | 2012-07-25 | 无锡市蓝力机床有限公司 | Lifting rolling platform for straighteners |
| CN103286164A (en) * | 2013-03-25 | 2013-09-11 | 宁波和昌液压设备有限公司 | Single straightening press adopting close-loop control |
| CN104373397A (en) * | 2014-10-24 | 2015-02-25 | 广东华液动力科技有限公司 | Double hydraulic system and hydraulic machine |
| CN104707880A (en) * | 2015-03-13 | 2015-06-17 | 武汉大学 | Automobile transmission shaft circle run-out detecting and calibrating system and method |
| CN204523864U (en) * | 2015-03-13 | 2015-08-05 | 天津海特传动机械有限公司 | A kind of hydraulic straightening machine |
| CN207138554U (en) * | 2017-05-24 | 2018-03-27 | 佛山市森和业丰纸制品有限公司 | One kind operates convenient straightener |
-
2017
- 2017-05-24 CN CN201710373366.7A patent/CN107520287B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52771U (en) * | 1975-06-21 | 1977-01-06 | ||
| CN101979173A (en) * | 2010-11-27 | 2011-02-23 | 玉环普天单向器有限公司 | Hydraulic straightening device |
| CN102601177A (en) * | 2012-03-02 | 2012-07-25 | 无锡市蓝力机床有限公司 | Lifting rolling platform for straighteners |
| CN103286164A (en) * | 2013-03-25 | 2013-09-11 | 宁波和昌液压设备有限公司 | Single straightening press adopting close-loop control |
| CN104373397A (en) * | 2014-10-24 | 2015-02-25 | 广东华液动力科技有限公司 | Double hydraulic system and hydraulic machine |
| CN104707880A (en) * | 2015-03-13 | 2015-06-17 | 武汉大学 | Automobile transmission shaft circle run-out detecting and calibrating system and method |
| CN204523864U (en) * | 2015-03-13 | 2015-08-05 | 天津海特传动机械有限公司 | A kind of hydraulic straightening machine |
| CN207138554U (en) * | 2017-05-24 | 2018-03-27 | 佛山市森和业丰纸制品有限公司 | One kind operates convenient straightener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052512A (en) * | 2018-01-18 | 2019-07-26 | 辽宁五一八内燃机配件有限公司 | A kind of Upset Forging Crankshafts coalignment and aligning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107520287B (en) | 2020-02-25 |
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Effective date of registration: 20200205 Address after: 317000 Yufeng Village, Hetou Town, Linhai City, Taizhou City, Zhejiang Province, No. 3-198 Applicant after: Taizhou Zhengming Smart Home Technology Co.,Ltd. Address before: Foshan City, Guangdong province 528500 city streets Gaoming District Road No. 35, a hardware workshop system Applicant before: FOSHAN SENHE YEFENG PAPER PRODUCTS Co.,Ltd. |
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Granted publication date: 20200225 |