CN114042842A - Single-oil-way hydraulic cotton gin with automatic return stroke and loosening function - Google Patents
Single-oil-way hydraulic cotton gin with automatic return stroke and loosening function Download PDFInfo
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- CN114042842A CN114042842A CN202111332521.3A CN202111332521A CN114042842A CN 114042842 A CN114042842 A CN 114042842A CN 202111332521 A CN202111332521 A CN 202111332521A CN 114042842 A CN114042842 A CN 114042842A
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- return
- jacking
- chuck
- piston
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 5
- 235000011613 Pinus brutia Nutrition 0.000 claims description 5
- 241000018646 Pinus brutia Species 0.000 claims description 5
- 102100020720 Calcium channel flower homolog Human genes 0.000 claims description 4
- 101000932468 Homo sapiens Calcium channel flower homolog Proteins 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 85
- 238000003825 pressing Methods 0.000 description 8
- 238000004049 embossing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a single-oil-way automatic return and loose-clamp hydraulic cotton gin, which comprises a single-oil-way self-return top pressure jack, a lightweight anchor plate rack and an automatic clamping piece hydraulic loose-clamp mechanism, and is a special tool for manufacturing a stress steel strand cotton ginning anchor; the single-oil-path self-return jacking jack is characterized in that a jacking oil cylinder of the single-oil-path self-return jacking jack is provided with an oil pump oil hole, a chuck oil hole and a jacking jack which share a hydraulic power source, a jacking piston of the single-oil-path self-return jacking jack is internally provided with a large inner hole for placing a return tension spring and realizing automatic return, and the chuck jack is provided with a return pressure spring and can automatically return to loosen a movable chuck; each part mounting groove of the automatic clamping piece hydraulic unclamping mechanism is arranged on the lightweight anchor plate; the preassembling action tension of the return tension spring is greater than the use pressure of the return compression spring, and the jacking jack acts to jack and emboss the steel strand after the collet jack acts to clamp the steel strand in work; the single-oil-way oil pump with simpler structural function can be matched for use, the use cost of matched oil pump equipment is reduced, and the construction operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of prestressed steel strand embossing anchors, in particular to a hydraulic embossing machine with a single oil way and automatic return and loosening functions.
Background
Most of the existing prestressed steel strand embossing machines are basically composed of a hydraulic oil cylinder, an anchor plate frame and a clamping piece loosening mechanism. The hydraulic oil cylinder is mainly of a double-oil-way structure, a double-oil-way oil pump is correspondingly required to be arranged, reversing, pressure maintaining and other parts are additionally arranged, and the oil way is relatively complex; wherein the loose structure of pressing from both sides of clamping piece is mostly the structure of hinge, spanner with the spring and is carried out manual unclamping, centre gripping. The cotton gin has high requirement on the structural function of a matched oil pump, and is high in price, and relatively complex and inconvenient in construction operation.
In summary, the problem to be solved by those skilled in the art is to provide a single oil path hydraulic cotton gin with automatic return and loosening function.
Disclosure of Invention
The invention aims to provide a single-oil-way automatic return and loosening hydraulic cotton gin to solve the problems in the prior art, and the single-oil-way automatic return and loosening hydraulic cotton gin can be matched with a single-oil-way oil pump with a simpler structural function, reduce the use cost of matched oil pump equipment and is simple and convenient to construct and operate.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a single-oil-way automatic return and clamp releasing hydraulic cotton gin, which comprises a single-oil-way self-return top pressure jack, a light-weight anchor plate rack and an automatic clamping piece hydraulic clamp releasing mechanism, wherein the single-oil-way self-return top pressure jack is connected with the automatic clamping piece hydraulic clamp releasing mechanism;
the single-oil-way self-return jacking jack is arranged at the bottom of the lightweight anchor plate rack, an oil pump oil hole and a chuck oil hole are formed in a jacking oil cylinder of the single-oil-way self-return jacking jack, the oil pump oil hole and the chuck oil hole are communicated with a piston cavity of the single-oil-way self-return jacking jack, the oil pump oil hole is connected with an oil pump oil pipe, and the chuck oil hole is connected with a chuck oil pipe; a spring mounting hole is formed in the jacking piston of the single-oil-path self-return jacking jack, a return tension spring is mounted in the spring mounting hole and used for automatic return of the jacking piston;
automatic clamping piece hydraulic pressure pine presss from both sides the mechanism set up in the top of lightweight anchor slab frame, automatic clamping piece hydraulic pressure pine presss from both sides the mechanism include with the movable chuck of chuck piston connection and with the fixed chuck that the movable chuck set up relatively, the piston chamber two of chuck piston with the other end intercommunication of chuck oil pipe, the chuck piston is used for the top to push away movable chuck orientation fixed chuck removes and carries out the centre gripping to the steel strand wires, install the return pressure spring on the chuck piston, the return pressure spring can make the automatic return stroke of movable chuck.
Preferably, the single-oil-path self-return jacking jack comprises a jacking oil cylinder, a jacking piston and a jacking head, wherein the top end of the jacking oil cylinder is connected with an oil cylinder fixing plate at the bottom of the lightweight anchor plate rack, the inner cavity of the jacking oil cylinder is movably connected with the jacking piston, the jacking piston is arranged inside a piston cavity I, the top of the piston cavity I is provided with a top spring mounting seat, a bottom spring mounting seat is arranged on a bottom plate of the jacking oil cylinder, the top spring mounting seat and the bottom spring mounting seat are respectively connected with the top end and the bottom end of a return tension spring, the jacking head is arranged at the top of the jacking piston, and the jacking head is located in the inner cavity of the lightweight anchor plate rack.
Preferably, the inner side of the top opening of the jacking oil cylinder is in threaded connection with a positioning sleeve, and the positioning sleeve is sleeved outside the jacking piston and is movably connected with the jacking piston.
Preferably, the top spring mounting seat is fixedly connected with the top of the jacking piston through a fixing screw, and the bottom spring mounting seat is fixedly connected with the bottom plate of the jacking oil cylinder through a fixing screw.
Preferably, the lightweight anchor plate frame comprises the oil cylinder fixing plate, a side plate and a lightweight anchor plate, the lightweight anchor plate is arranged at the top of the oil cylinder fixing plate, the side plate is arranged between the oil cylinder fixing plate and the lightweight anchor plate, and the oil cylinder fixing plate, the side plate and the lightweight anchor plate surround an inner cavity for performing a flower binding operation; the side plates are provided with light-weight process holes to reduce weight, and the light-weight anchor plates are provided with light-weight process grooves to reduce weight.
Preferably, the jacking oil cylinder is in threaded connection with a threaded hole formed in the oil cylinder fixing plate.
Preferably, the oil cylinder fixing plate is further provided with a through hole for the chuck oil pipe to pass through.
Preferably, the lightweight anchor plate is provided with a second piston cavity, a movable chuck mounting groove, a fixed chuck mounting groove and a steel strand standing groove, the steel strand standing groove penetrates through the lightweight anchor plate and is communicated with the inner cavity, the movable chuck mounting groove is arranged on one side of the steel strand standing groove, the fixed chuck mounting groove is arranged on the other side of the steel strand standing groove, the outer side of the movable chuck mounting groove is provided with a piston cavity of the chuck piston, the movable chuck is movably mounted in the movable chuck mounting groove, the fixed chuck is fixedly mounted in the fixed chuck mounting groove through a screw, the chuck piston is mounted in the piston cavity of the chuck piston, one end of the chuck piston is connected with the movable chuck, an opening of the second piston cavity at the other end of the chuck piston is provided with a sealing plate connected with the lightweight anchor plate through a screw, one end of the return pressure spring is connected with the cavity bottom of the piston cavity II, and the other end of the return pressure spring is connected with the chuck piston.
Preferably, the preassembling action tension of the return tension spring is greater than the use pressure of the return compression spring, and the jacking piston acts to jack and emboss the steel strand after the collet piston acts to clamp the steel strand in work.
Preferably, the end face of the movable chuck opposite to the fixed chuck is provided with a spiral inverted triangular tooth for clamping the steel strand.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the jack is jacked by using the single-oil-way self-return structure, and the single-oil-way oil pump with simpler structural function can be matched for use, so that the use cost of matched oil pump equipment is reduced.
2. The single-oil-way automatic return chuck jack is used, and can share a hydraulic power source with the jacking jack, so that the automatic clamping piece hydraulic unclamping mechanism can automatically clamp and loosen, the clamping is firm and reliable, manual unclamping is not needed, and the construction is convenient.
3. In the invention, the single-oil-way oil pump can be operated to carry out embossing only by using one oil pump button control key, so that one-key operation in a fool mode is realized, and the embossing construction operation process is simpler and more convenient.
4. The invention adopts the lightweight process design, so that the novel solar water heater is more portable and labor-saving.
5. The invention can adapt to the embossing construction of the steel strand with different specifications by replacing the matched parts, thereby saving the use cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a single-oil-path automatic return and clamp-releasing hydraulic cotton gin according to the present invention;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic view of the automatic clamping piece hydraulic unclamping mechanism of section A-A of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a helical inverted triangle tooth structure on a movable chuck;
in the figure: 1. the hydraulic oil cylinder jacking device comprises a jacking oil cylinder, 2, chuck oil holes, 3, fixing screws, 4, a sealing ring, 5, a jacking piston, 6, an oil cylinder fixing plate, 7, a return tension spring, 8, a top spring mounting seat, 9, a positioning sleeve, 10, a jacking head, 11, a side plate, 12, a chuck oil pipe, 13, a light-weight anchor plate, 14, a sealing plate, 15, a chuck piston, 16, a return compression spring, 17, a movable chuck, 18, a fixed chuck, 19, a chuck pressing plate, 20-oil pump oil holes, 21-piston cavity I, 22-bottom spring mounting seat, 23-inner cavity, 24-steel strand placing groove and 25-piston cavity II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a single-oil-way hydraulic cotton gin with automatic return and loosening functions, which aims to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The single-oil-path automatic return-stroke and unclamping hydraulic cotton gin in the embodiment comprises a single-oil-path self-return-stroke jacking jack, a light-weight anchor plate 13 rack and an automatic clamping piece hydraulic unclamping mechanism, as shown in fig. 1-3, and is a special tool for manufacturing a stress steel strand cotton gin anchor;
the single-oil-way self-return jacking jack is arranged at the bottom of the lightweight anchor plate 13 rack, a jacking oil cylinder 1 of the single-oil-way self-return jacking jack is provided with an oil pump oil hole 20 and a chuck oil hole 2, the oil pump oil hole 20 and the chuck oil hole 2 are both communicated with a first piston cavity 21 of the single-oil-way self-return jacking jack, the oil pump oil hole 20 is connected with an oil pump oil pipe, and the chuck oil hole 2 is connected with a chuck oil pipe 12; a spring mounting hole is formed in the jacking piston 5 of the single-oil-path self-return jacking jack, a return tension spring 7 is mounted in the spring mounting hole, and the return tension spring 7 is used for automatic return of the jacking piston 5;
the automatic clamping piece hydraulic loose clamping mechanism is arranged at the top of the light-weight anchor plate 13 rack and comprises a movable clamping head 17 connected with a clamping head piston 15 and a fixed clamping head 18 arranged opposite to the movable clamping head 17, a piston cavity II 25 of the clamping head piston 15 is communicated with the other end of the clamping head oil pipe 12, the clamping head piston 15 is used for pushing the movable clamping head 17 to move towards the fixed clamping head 18 to clamp the steel strand, a return pressure spring 16 is arranged on the clamping head piston 15, and the return pressure spring 16 can enable the movable clamping head 17 to automatically return.
In the embodiment, the single-oil-path self-return jacking jack comprises a jacking oil cylinder 1, a jacking piston 5 and a jacking head 10, the top end of the jacking oil cylinder 1 is connected with an oil cylinder fixing plate 6 at the bottom of a lightweight anchor plate 13 rack, the jacking piston 5 is movably connected in an inner cavity 23 of the jacking oil cylinder 1, a sealing ring 4 is arranged between the jacking piston 5 and the inner cavity 23 of the jacking oil cylinder 1, a piston cavity I21 is arranged in the jacking piston 5, a top spring mounting seat 8 is arranged at the top of the piston cavity I21, a bottom spring mounting seat 22 is arranged on a bottom plate of the jacking oil cylinder 1, the top spring mounting seat 8 and the bottom spring mounting seat 22 are respectively connected with the top end and the bottom end of a return tension spring 7, the top spring mounting seat 8 is fixedly connected with the top of the jacking piston 5 through a fixing screw and a sealing gasket, the bottom spring mounting seat 22 is fixedly connected with the bottom plate of the jacking oil cylinder 1 through a fixing screw 3 and a sealing gasket, the jacking head 10 is arranged at the top of the jacking piston 5, and the jacking head 10 is positioned in an inner cavity 23 of the rack of the lightweight anchor plate 13. The inner side of the top opening of the jacking oil cylinder 1 is in threaded connection with a positioning sleeve 9, and the positioning sleeve 9 is sleeved outside the jacking piston 5 and is movably connected with the jacking piston 5. 2 or 4 evenly distributed process installation notches are formed in the outer end face of the positioning sleeve 9 and used for installing the positioning sleeve, and the notches are rotary installation clamping positions of the positioning sleeve. During installation, the assembling tool is clamped into the notch for blocking, and the positioning sleeve 9 is driven to rotate to be screwed into the jacking oil cylinder 1, so that installation is completed; the inner hole wall of the positioning sleeve 9 is provided with a dustproof guide sleeve.
In the embodiment, the lightweight anchor plate 13 frame comprises an oil cylinder fixing plate 6, a side plate 11 and a lightweight anchor plate 13, the lightweight anchor plate 13 is arranged at the top of the oil cylinder fixing plate 6, the side plate 11 is arranged between the oil cylinder fixing plate 6 and the lightweight anchor plate 13, and the oil cylinder fixing plate 6, the side plate 11 and the lightweight anchor plate 13 surround an inner cavity 23 for performing the flower binding operation; the side plates 11 are provided with light-weight process holes to reduce weight, and the light-weight anchor plates 13 are provided with light-weight process grooves to reduce weight. The jacking oil cylinder 1 is in threaded connection with a threaded hole formed in the oil cylinder fixing plate 6, and a through hole for the chuck oil pipe 12 to pass through is further formed in the oil cylinder fixing plate 6.
In the embodiment, the lightweight anchor plate 13 is provided with a second piston cavity 25, a movable chuck 17 mounting groove, a fixed chuck 18 mounting groove and a steel strand placing groove 24, the steel strand placing groove 24 penetrates through the lightweight anchor plate 13 and is communicated with the inner cavity 23, the movable chuck 17 mounting groove is arranged on one side of the steel strand placing groove 24, the fixed chuck 18 mounting groove is arranged on the other side of the steel strand placing groove 24, the outer side of the movable chuck 17 mounting groove is provided with a piston cavity of a chuck piston 15, the movable chuck 17 is movably mounted in the movable chuck 17 mounting groove, the fixed chuck 18 is fixedly mounted in the fixed chuck 18 mounting groove through a screw, the chuck piston 15 is mounted in the piston cavity of the chuck piston 15, one end of the chuck piston 15 is connected with the movable chuck 17, an opening of the second piston cavity 25 at the other end of the chuck piston 15 is provided with a sealing plate 14 connected with the lightweight anchor plate 13 through a screw, one end of the return pressure spring 16 is connected with the cavity bottom of the piston cavity II 25, and the other end of the return pressure spring 16 is connected with the chuck piston 15.
The preassembling action tension of the return tension spring 7 is larger than the use pressure of the return compression spring 16, and the chuck piston 15 acts to clamp the steel strand and then the top pressing piston 5 acts to top press and emboss during working.
As shown in fig. 4, the end face of the movable chuck 17 opposite to the fixed chuck 18 is provided with a spiral inverted triangle tooth to clamp the steel strand.
The single-oil-way automatic return and loosening hydraulic cotton gin provided by the invention has the advantages that a prestressed steel strand is firstly placed in a steel strand placing groove 24 of a lightweight anchor plate 13, one end of the steel strand is arranged in an inner hole of a top pressing head 10 in an overhead mode, oil supply is carried out by pressing an oil supply control button of a matched single-oil-way oil pump, the pulling force of the preassembly action of a return tension spring 7 is larger than the using pressure of a return compression spring 16, a chuck piston 15 of a chuck jack firstly acts to push a movable chuck 17 to clamp the steel strand, and then the top pressing piston 5 of the top pressing jack then acts to push the top pressing head 10 to press the steel strand to gin. After the steel strand is ginned into the pear-shaped loose flower shape, the oil supply control button of the oil pump is loosened to stop oil supply, the chuck piston 15 and the jacking piston 5 respectively return under the action of the return pressure spring 16 and the return tension spring 7, the movable chuck 17 is reset and loosened, the jacking head 10 is retracted and reset, jack oil returns to the oil pump, and once cycle ginning operation is completed.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. The utility model provides a hydraulic cotton gin that automatic return stroke of single oil circuit and pine pressed from both sides which characterized in that: the device comprises a single-oil-way self-return jacking jack, a lightweight anchor plate rack and an automatic clamping piece hydraulic unclamping mechanism;
the single-oil-way self-return jacking jack is arranged at the bottom of the lightweight anchor plate rack, an oil pump oil hole and a chuck oil hole are formed in a jacking oil cylinder of the single-oil-way self-return jacking jack, the oil pump oil hole and the chuck oil hole are communicated with a piston cavity of the single-oil-way self-return jacking jack, the oil pump oil hole is connected with an oil pump oil pipe, and the chuck oil hole is connected with a chuck oil pipe; a spring mounting hole is formed in the jacking piston of the single-oil-path self-return jacking jack, a return tension spring is mounted in the spring mounting hole and used for automatic return of the jacking piston;
automatic clamping piece hydraulic pressure pine presss from both sides the mechanism set up in the top of lightweight anchor slab frame, automatic clamping piece hydraulic pressure pine presss from both sides the mechanism include with the movable chuck of chuck piston connection and with the fixed chuck that the movable chuck set up relatively, the piston chamber two of chuck piston with the other end intercommunication of chuck oil pipe, the chuck piston is used for the top to push away movable chuck orientation fixed chuck removes and carries out the centre gripping to the steel strand wires, install the return pressure spring on the chuck piston, the return pressure spring can make the automatic return stroke of movable chuck.
2. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 1, characterized in that: the single-oil-path self-return jacking jack comprises a jacking oil cylinder, a jacking piston and a jacking head, wherein the top end of the jacking oil cylinder is connected with an oil cylinder fixing plate at the bottom of the lightweight anchor plate rack, the inner cavity of the jacking oil cylinder is movably connected with the jacking piston, the jacking piston is arranged inside a piston cavity I, the top of the piston cavity I is provided with a top spring mounting seat, a bottom spring mounting seat is arranged on a bottom plate of the jacking oil cylinder, the top spring mounting seat and the bottom spring mounting seat are respectively connected with the top end and the bottom end of a return tension spring, the jacking head is arranged at the top of the jacking piston, and the jacking head is located in the inner cavity of the lightweight anchor plate rack.
3. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 2, characterized in that: the inner side of the top opening of the jacking oil cylinder is in threaded connection with a positioning sleeve, and the positioning sleeve is sleeved outside the jacking piston and is movably connected with the jacking piston.
4. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 2, characterized in that: the top spring mounting seat is fixedly connected with the top of the jacking piston through a fixing screw, and the bottom spring mounting seat is fixedly connected with the bottom plate of the jacking oil cylinder through a fixing screw.
5. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 2, characterized in that: the lightweight anchor plate rack comprises an oil cylinder fixing plate, a side plate and a lightweight anchor plate, the lightweight anchor plate is arranged at the top of the oil cylinder fixing plate, the side plate is arranged between the oil cylinder fixing plate and the lightweight anchor plate, and the oil cylinder fixing plate, the side plate and the lightweight anchor plate surround an inner cavity for carrying out the flower binding operation; the side plates are provided with light-weight process holes to reduce weight, and the light-weight anchor plates are provided with light-weight process grooves to reduce weight.
6. The single-oil-path automatic-return and clamp-releasing hydraulic cotton gin according to claim 5, wherein: the jacking oil cylinder is in threaded connection with a threaded hole formed in the oil cylinder fixing plate.
7. The single-oil-path automatic-return and clamp-releasing hydraulic cotton gin according to claim 5, wherein: and the oil cylinder fixing plate is also provided with a through hole for the chuck oil pipe to pass through.
8. The single-oil-path automatic-return and clamp-releasing hydraulic cotton gin according to claim 5, wherein: the lightweight anchor plate is provided with a second piston cavity, a movable chuck mounting groove, a fixed chuck mounting groove and a steel strand mounting groove, the steel strand mounting groove penetrates through the lightweight anchor plate and is communicated with the inner cavity, the movable chuck mounting groove is arranged on one side of the steel strand mounting groove, the fixed chuck mounting groove is arranged on the other side of the steel strand mounting groove, the outer side of the movable chuck mounting groove is provided with a piston cavity of the chuck piston, the movable chuck is movably mounted in the movable chuck mounting groove, the fixed chuck is fixedly mounted in the fixed chuck mounting groove through a screw, the chuck piston is mounted in the piston cavity of the chuck piston, one end of the chuck piston is connected with the movable chuck, an opening of the second piston cavity at the other end of the chuck piston is provided with a sealing plate connected with the lightweight anchor plate through a screw, one end of the return pressure spring is connected with the cavity bottom of the piston cavity II, and the other end of the return pressure spring is connected with the chuck piston.
9. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 8, wherein: the preassembling action tension of the return tension spring is larger than the use pressure of the return pressure spring, and the jacking piston moves to jack and emboss the steel strand after the chuck piston moves to clamp the steel strand during working.
10. The single-oil-path automatic-return and unclamping hydraulic cotton gin according to claim 8, wherein: and the end face of the movable chuck opposite to the fixed chuck is provided with a spiral inverted triangular tooth for clamping the steel strand.
Priority Applications (1)
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CN202111332521.3A CN114042842B (en) | 2021-11-11 | 2021-11-11 | Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp |
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CN202111332521.3A CN114042842B (en) | 2021-11-11 | 2021-11-11 | Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp |
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CN114042842A true CN114042842A (en) | 2022-02-15 |
CN114042842B CN114042842B (en) | 2024-04-19 |
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CN2710837Y (en) * | 2004-01-16 | 2005-07-20 | 王昭智 | Manual hydraulic grip |
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JP2011256482A (en) * | 2010-06-09 | 2011-12-22 | Nippo:Kk | Soft rope of twisted resin film and method for producing the same |
CN103433303A (en) * | 2013-08-06 | 2013-12-11 | 中国一拖集团有限公司 | Built-in hydraulic clamping chuck used for spline cold rolling machine tool and assembly machine |
DE102017223822A1 (en) * | 2017-12-27 | 2019-06-27 | Arburg Gmbh + Co. Kg | Mold-closing unit for an injection molding machine and method for locking a power transmission element |
CN210459771U (en) * | 2019-05-16 | 2020-05-05 | 广西科技大学鹿山学院 | Fixed end anchorage device of multi-layer steel wire structure steel strand |
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2021
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Publication number | Priority date | Publication date | Assignee | Title |
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US4393674A (en) * | 1981-06-25 | 1983-07-19 | Air-Mo Hydraulics, Inc. | Hydraulic chuck device for engagement with the inside of a tube |
CN2331484Y (en) * | 1998-07-15 | 1999-08-04 | 蒋国强 | Automatic control device for hydraulic power wrench |
JP2001317161A (en) * | 2000-05-09 | 2001-11-16 | Anderson Technology Kk | Device for pressing in strand and wedge for coupler |
WO2002070177A2 (en) * | 2001-02-14 | 2002-09-12 | Command Tooling Systems, Llc | Hydraulically actuated holder |
CN2710837Y (en) * | 2004-01-16 | 2005-07-20 | 王昭智 | Manual hydraulic grip |
JP2011256482A (en) * | 2010-06-09 | 2011-12-22 | Nippo:Kk | Soft rope of twisted resin film and method for producing the same |
CN201791872U (en) * | 2010-09-21 | 2011-04-13 | 艾迪斯鼎力科技(天津)有限公司 | Split type steel bar quick breaker |
CN103433303A (en) * | 2013-08-06 | 2013-12-11 | 中国一拖集团有限公司 | Built-in hydraulic clamping chuck used for spline cold rolling machine tool and assembly machine |
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