CN109397729A - Multi-column wound-type hydraulic machine - Google Patents
Multi-column wound-type hydraulic machine Download PDFInfo
- Publication number
- CN109397729A CN109397729A CN201811405130.8A CN201811405130A CN109397729A CN 109397729 A CN109397729 A CN 109397729A CN 201811405130 A CN201811405130 A CN 201811405130A CN 109397729 A CN109397729 A CN 109397729A
- Authority
- CN
- China
- Prior art keywords
- cushion block
- guide support
- support column
- column
- rack
- 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
- 238000004804 winding Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Actuator (AREA)
Abstract
The present invention discloses a kind of Multi-column wound-type hydraulic machine, it includes rack, wind the winding steel wire layer being arranged in outside rack, hydraulic package in the rack is set, superposed upper cushion block is provided in the rack, lower cushion block positioned at lower part and the lower table that is arranged on lower cushion block, more guide support columns being mutually fixedly connected with the upper cushion block and the lower cushion block, the upper table being mutually slidably arranged in guide support column being located above, when strain gauge detection is when the longitudinal stress of the guide support column is more than preset value, the relief valve opens pressure release, since the present invention is provided with strain gauge in guide support column, when the stress variation in guide support column is more than setting value, relief valve on driving cylinder opens pressure release, to prevent safety accident.
Description
Technical field
The present invention relates to a kind of Multi-column wound-type hydraulic machines.
Background technique
A kind of Multi-column wound-type hydraulic machine is disclosed, periphery is wound with steel wire floor, winds prestressing force master by steel wire floor
Cylinder body and winding prestressed stand, so that once beating it bears pressure.
But the winding prestressing force that winding steel wire layer provides after long-term use gradually becomes smaller, so as to cause stress
There are the danger that operation has fracture for guide support column.
Therefore, a kind of Multi-column wound-type hydraulic machine for being capable of providing guide support column protection is needed at present.
Summary of the invention
The object of the present invention is to provide a kind of Multi-column wound-type hydraulic machines for being capable of providing guide support column protection.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
Multi-column wound-type hydraulic machine comprising rack winds the winding steel wire layer being arranged in outside rack, is arranged in the rack
Hydraulic package, the rack in be provided with superposed upper cushion block, positioned at lower part lower cushion block and be arranged in lower cushion block
On lower table, more guide support columns being mutually fixedly connected with the upper cushion block and the lower cushion block, the phase that is located above
The upper table being slidably arranged in guide support column, the hydraulic package include for driving upper table along guide support
The driving cylinder and the relief valve that the driving cylinder is used to be discharged hydraulic oil in the driving cylinder is set that the up and down direction of column is slided,
The strain gauge for detecting its stress variation is provided in the guide support column, when strain gauge detection is led when described
When being more than preset value to the longitudinal stress of support column, the relief valve opens pressure release.
Preferably, the top of the guide support column is provided with the test department of diameter diminution, the strain gauge setting
On the test department.
Preferably, the driving cylinder includes the cylinder body being fixed on upper table, piston rod, the work of the driving cylinder
The lower end of stopper rod is connected with the upper table, and the relief valve is arranged on the cylinder body.
Preferably, the upper table offers multiple pilot holes to match with guide support column, the driving cylinder with
Piston rod is connected between the upper table.
Preferably, it further includes the liftout tank that connection is arranged on lower cushion block, and the lower table offers and liftout tank
The ejection hole that matches of knock-pin.
Preferably, the upper cushion block and lower cushion block are in hemisphere.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Since the present invention is provided with strain gauge in guide support column, when the stress variation in guide support column is more than setting
When value, the relief valve on driving cylinder opens pressure release, to prevent safety accident.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the enlarged diagram of the local A of attached drawing 1.
In the figures above: 1, rack；2, winding steel wire layer；3, upper cushion block；4, lower cushion block；5, lower table；6, upper work
Platform；7, guide support column；7a, test department；8, sensor；9, cylinder body；10, piston rod.
Specific embodiment
The invention will be further described for embodiment shown in reference to the accompanying drawing:
Referring to figure 1, Multi-column wound-type hydraulic machine comprising the winding steel wire layer that rack 1, winding are arranged in outside rack 1
2, the hydraulic package in rack 1 is set, is provided with superposed upper cushion block 3, the lower cushion block 4 positioned at lower part in rack 1
With the lower table 5 being arranged on lower cushion block 4, more guide support columns 7, positions being fixedly connected with upper cushion block 3 and 4 phase of lower cushion block
The upper table 6 being mutually slidably arranged in guide support column 7 in top, hydraulic package include for driving upper table 6
The driving cylinder that slides along the up and down direction of guide support column 7 and driving cylinder is set for the pressure release of hydraulic oil in driving cylinder to be discharged
Valve (not shown) is provided with the strain gauge 8 for detecting its stress variation in guide support column 7, when strain gauge 8 is examined
It surveys when the longitudinal stress of guide support column 7 is more than preset value, relief valve opens pressure release.In the present embodiment, sensor 8 and pressure release
It is connected between valve by single-chip microcontroller, control connection can also be carried out by other control system in other embodiments.
Referring to shown in attached drawing 2, the top of guide support column 7 is provided with the test department 7a of diameter diminution, and strain gauge 8 is set
It sets on test department 7a.
Driving cylinder includes the cylinder body 9 being fixed on upper table 6, piston rod 10, under the piston rod 10 of driving cylinder
End is connected with upper table 6, and relief valve is arranged on cylinder body 9.
Upper table 6 offers multiple pilot holes to match with guide support column 7, between driving cylinder and upper table 6
It is connected with piston rod 10.
The Multi-column wound-type hydraulic machine of the present embodiment further includes the liftout tank that connection is arranged on lower cushion block 4, lower table 5
Offer the ejection hole to match with the knock-pin of liftout tank.Wherein, upper cushion block 3 and lower cushion block 4 are in hemisphere shape.
The present embodiment has the advantage that compared with prior art
Since the present embodiment is provided with strain gauge 8 in guide support column 7, when the stress variation in guide support column 7 is super
When crossing setting value, the relief valve on driving cylinder opens pressure release, to prevent safety accident.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (6)
1. Multi-column wound-type hydraulic machine comprising rack winds the winding steel wire layer being arranged in outside rack, is arranged in the rack
On hydraulic package, the rack in be provided with superposed upper cushion block, positioned at lower part lower cushion block and be arranged in underlay
Lower table on block, is located above more guide support columns being mutually fixedly connected with the upper cushion block and the lower cushion block
The upper table being mutually slidably arranged in guide support column, it is characterised in that: the hydraulic package includes for driving upper work
Make platform to be used to be discharged in the driving cylinder in the driving cylinder with setting along the driving cylinder that the up and down direction of guide support column is slided
The relief valve of hydraulic oil is provided with the strain gauge for detecting its stress variation in the guide support column, when the stress passes
When the longitudinal stress of the guide support column is more than preset value, the relief valve opens pressure release for sensor detection.
2. Multi-column wound-type hydraulic machine according to claim 1, it is characterised in that the top of the guide support column is arranged
The test department for having diameter to reduce, the strain gauge are arranged on the test department.
3. Multi-column wound-type hydraulic machine according to claim 1, it is characterised in that: the driving cylinder includes being fixed at
Cylinder body, piston rod on upper table, the lower end of the piston rod of the driving cylinder are connected with the upper table, the relief valve
It is arranged on the cylinder body.
4. Multi-column wound-type hydraulic machine according to claim 1, it is characterised in that: the upper table offer it is multiple with
The pilot hole that guide support column matches is connected with piston rod between the driving cylinder and the upper table.
5. Multi-column wound-type hydraulic machine according to claim 1, it is characterised in that: it further includes that connection is arranged in lower cushion block
On liftout tank, the lower table offers the ejection hole to match with the knock-pin of liftout tank.
6. Multi-column wound-type hydraulic machine according to claim 1, it is characterised in that: the upper cushion block and lower cushion block are in hemisphere
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405130.8A CN109397729B (en) | 2018-11-23 | 2018-11-23 | Multi-column winding hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405130.8A CN109397729B (en) | 2018-11-23 | 2018-11-23 | Multi-column winding hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109397729A true CN109397729A (en) | 2019-03-01 |
| CN109397729B CN109397729B (en) | 2024-10-15 |
Family
ID=65474796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811405130.8A Active CN109397729B (en) | 2018-11-23 | 2018-11-23 | Multi-column winding hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397729B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115648708A (en) * | 2022-10-17 | 2023-01-31 | 宁波德玛智能机械有限公司 | Vertical winding hydraulic press |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070054411A (en) * | 2005-11-23 | 2007-05-29 | 한전케이피에스 주식회사 | Hydraulic lifting device for in-service test of safety valve and pressure relief valve |
| CN101368856A (en) * | 2008-06-30 | 2009-02-18 | 中南大学 | Giant stamp forging hydraulic press upright post stress harvester and stress monitoring system |
| CN201350700Y (en) * | 2009-01-21 | 2009-11-25 | 山西三水河液压设备有限公司 | Prestressed steel strip winding isostatic hydraulic press |
| CN101793572A (en) * | 2010-03-15 | 2010-08-04 | 中南大学 | Method and device for multi-point on-line detection of digital hydraulic machine column stress |
| CN102672988A (en) * | 2012-05-03 | 2012-09-19 | 苏州市科林除尘设备有限公司 | Multi-column wound-type hydraulic machine |
| CN102672989A (en) * | 2012-05-03 | 2012-09-19 | 苏州市科林除尘设备有限公司 | Winding type hydraulic machine and processing method thereof |
| CN107219128A (en) * | 2017-07-13 | 2017-09-29 | 河南理工大学 | Many lower coal measure strata stress distribution analogue means of phase tectonic movement effect and method |
| CN108380804A (en) * | 2018-02-08 | 2018-08-10 | 燕山大学 | A kind of mechanically deform compensating control method of hydraulic forging press |
| CN207877179U (en) * | 2018-02-26 | 2018-09-18 | 埃尔森紧固系统（武汉）有限公司 | A kind of hydraulic jack |
| CN209350926U (en) * | 2018-11-23 | 2019-09-06 | 苏州市科林除尘设备有限公司 | Multi-column wound-type hydraulic machine |
-
2018
- 2018-11-23 CN CN201811405130.8A patent/CN109397729B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070054411A (en) * | 2005-11-23 | 2007-05-29 | 한전케이피에스 주식회사 | Hydraulic lifting device for in-service test of safety valve and pressure relief valve |
| CN101368856A (en) * | 2008-06-30 | 2009-02-18 | 中南大学 | Giant stamp forging hydraulic press upright post stress harvester and stress monitoring system |
| CN201350700Y (en) * | 2009-01-21 | 2009-11-25 | 山西三水河液压设备有限公司 | Prestressed steel strip winding isostatic hydraulic press |
| CN101793572A (en) * | 2010-03-15 | 2010-08-04 | 中南大学 | Method and device for multi-point on-line detection of digital hydraulic machine column stress |
| CN102672988A (en) * | 2012-05-03 | 2012-09-19 | 苏州市科林除尘设备有限公司 | Multi-column wound-type hydraulic machine |
| CN102672989A (en) * | 2012-05-03 | 2012-09-19 | 苏州市科林除尘设备有限公司 | Winding type hydraulic machine and processing method thereof |
| CN107219128A (en) * | 2017-07-13 | 2017-09-29 | 河南理工大学 | Many lower coal measure strata stress distribution analogue means of phase tectonic movement effect and method |
| CN108380804A (en) * | 2018-02-08 | 2018-08-10 | 燕山大学 | A kind of mechanically deform compensating control method of hydraulic forging press |
| CN207877179U (en) * | 2018-02-26 | 2018-09-18 | 埃尔森紧固系统（武汉）有限公司 | A kind of hydraulic jack |
| CN209350926U (en) * | 2018-11-23 | 2019-09-06 | 苏州市科林除尘设备有限公司 | Multi-column wound-type hydraulic machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115648708A (en) * | 2022-10-17 | 2023-01-31 | 宁波德玛智能机械有限公司 | Vertical winding hydraulic press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109397729B (en) | 2024-10-15 |
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