CN114042842B - Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp - Google Patents
Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp Download PDFInfo
- Publication number
- CN114042842B CN114042842B CN202111332521.3A CN202111332521A CN114042842B CN 114042842 B CN114042842 B CN 114042842B CN 202111332521 A CN202111332521 A CN 202111332521A CN 114042842 B CN114042842 B CN 114042842B
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- CN
- China
- Prior art keywords
- oil
- jacking
- return
- piston
- chuck
- 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.)
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- 229920000742 Cotton Polymers 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000004049 embossing Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 86
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a hydraulic gin with a single oil way and automatic return stroke and loose clamp, which comprises a single oil way self-return stroke jacking 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 gin anchor; the single-oil-way self-return jacking jack is characterized in that an oil pump oil hole is formed in a jacking oil cylinder, two oil holes of a chuck oil hole and the jacking jack share a hydraulic power source, a large inner hole is formed in a jacking piston and used for placing a return tension spring, the return tension spring can automatically return, and the chuck jack is provided with a return pressure spring and can automatically return to loosen a movable chuck; each component mounting groove of the automatic clamping piece hydraulic loosening mechanism is arranged on the lightweight anchor plate; the preassembly acting tension of the return tension spring is larger than the using pressure of the return compression spring, and when the hydraulic chuck is in operation, the chuck jack firstly acts to clamp the steel strand, and then the jacking jack acts to jack the embossing; the invention can be matched with a single oil way oil pump with simpler structure function, reduces the use cost of matched oil pump equipment, and is simple and convenient in construction operation.
Description
Technical Field
The invention relates to the technical field of prestressed steel strand ginning anchors, in particular to a hydraulic gin with a single oil way and automatic return stroke and loose clamp.
Background
The prestressed steel strand gin used in the vast majority at present basically consists of a hydraulic oil cylinder, an anchor plate rack and a clamping piece loosening mechanism. The hydraulic oil cylinders are of a double-oil-way structure, a double-oil-way oil pump is correspondingly required to be arranged, reversing, pressure maintaining and other components are additionally arranged, and oil ways are relatively complex; the loose clamping structure of the clamping piece is mainly a structure of a hinge, a spanner and a spring for manual loosening and clamping. The cotton gin has higher requirement on the structure and the function of a matched oil pump, and is relatively complex and inconvenient in construction operation.
In summary, providing a hydraulic gin with single oil circuit for automatic return and loosening is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a hydraulic gin with a single oil way and automatic return stroke and loose clamps, so as to solve the problems in the prior art, and the hydraulic gin can be matched with a single oil way oil pump with simpler structure and function, reduce the use cost of matched oil pump equipment, and is simple and convenient to construct and operate.
In order to achieve the above object, the present invention provides the following solutions:
The invention provides a hydraulic gin with a single oil way for automatic return stroke and loosening, which comprises a single oil way self-return stroke jacking jack, a lightweight anchor plate rack and an automatic clamping piece hydraulic loosening 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 the chuck oil pipe; a spring mounting hole is formed in the jacking piston of the single-oil-way self-return jacking jack, a return tension spring is arranged in the spring mounting hole, and the return tension spring is used for automatic return of the jacking piston;
The automatic clamping piece hydraulic loosening and clamping mechanism is arranged at the top of the lightweight anchor plate rack and comprises a movable clamping head connected with a clamping head piston and a fixed clamping head arranged opposite to the movable clamping head, a piston cavity II of the clamping head piston is communicated with the other end of the clamping head oil pipe, the clamping head piston is used for pushing the movable clamping head to move towards the fixed clamping head to clamp a steel strand, a return pressure spring is arranged on the clamping head piston, and the return pressure spring can enable the movable clamping head to automatically return.
Preferably, the single oil way 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 frame, the jacking piston is movably connected in an inner cavity of the jacking oil cylinder, a first piston cavity is arranged inside the jacking piston, a top spring mounting seat is arranged at the top of the first piston cavity, 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 positioned in the inner cavity of the lightweight anchor plate frame.
Preferably, a positioning sleeve is connected with the inner side of the top opening of the jacking oil cylinder in a threaded manner, 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 rack comprises the oil cylinder fixing plate, a side plate and a lightweight anchor plate, wherein 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 are surrounded to form an inner cavity for performing the binding operation; the side plates are provided with light-weight process holes for reducing weight, and the light-weight anchor plates are provided with light-weight process grooves for reducing 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 also provided with a through hole for the chuck oil pipe to pass through.
Preferably, the piston cavity II, the movable chuck mounting groove, the fixed chuck mounting groove and the steel strand placing groove are formed in the lightweight anchor plate, the steel strand placing groove penetrates through the lightweight anchor plate and is communicated with the inner cavity, the movable chuck mounting groove is formed in one side of the steel strand placing groove, the fixed chuck mounting groove is formed in the other side of the steel strand placing groove, a piston cavity of the chuck piston is formed in the outer side of the movable chuck mounting groove, 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, a sealing plate connected with the lightweight anchor plate is arranged at the opening of the piston cavity II, one end of the return spring is connected with the cavity bottom of the piston cavity II, and the other end of the return spring is connected with the chuck piston.
Preferably, the pre-loading acting tension of the return tension spring is larger than the using pressure of the return compression spring, and when the hydraulic chuck is in operation, the chuck piston firstly acts to clamp the steel strand, and then the jacking piston acts to jack the embossing.
Preferably, spiral inverted triangle teeth are arranged on the end faces of the movable clamping heads, which are opposite to the fixed clamping heads, 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, so that the jack can be matched with a single-oil-way oil pump with simpler structure function, and the use cost of matched oil pump equipment is reduced.
2. The hydraulic clamping device uses the single-oil-way automatic return chuck jack, can share a hydraulic power source with the jacking jack, so that the automatic clamping piece hydraulic clamping loosening mechanism can automatically clamp and loosen, the clamping is firm and reliable, manual clamping loosening is not needed, and the construction is convenient.
3. According to the invention, the single-oil-way oil pump can be operated to carry out embossing by only one oil pump button control key, so that the one-key operation in a fool mode is realized, and the embossing construction operation process is simpler and more convenient.
4. The invention adopts a light-weight process design, so that the invention is lighter and more labor-saving.
5. The invention can adapt to the embossing construction of steel strands with different specifications by replacing matched parts, and saves 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 that are 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a hydraulic gin with single oil circuit automatic return and loosening in the present invention;
FIG. 2 is a side view schematic of FIG. 1;
FIG. 3 is a schematic view of the automatic clip hydraulic release mechanism of section A-A of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a spiral inverted triangle on a movable jaw;
In the figure: 1. the hydraulic cylinder is characterized by comprising a jacking oil cylinder, 2, a chuck oil hole, 3, a fixing screw, 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 locating sleeve, 10, a jacking head, 11, a side plate, 12, a chuck oil pipe, 13, a lightweight anchor plate, 14, a sealing plate, 15, a chuck piston, 16, a return tension spring, 17, a movable chuck, 18, a fixed chuck, 19, a chuck pressure plate, 20-oil pump oil holes, 21-piston cavities I, 22-bottom spring mounting seats, 23-inner cavities, 24-steel strand placing grooves and 25-piston cavities II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a hydraulic gin with a single oil way and automatic return stroke and loose clamps, which solves the problems in the prior art.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The hydraulic embossing machine with single oil way automatic return stroke and loose clamp in the embodiment comprises a single oil way self-return stroke jacking jack, a lightweight anchor plate 13 rack and an automatic clamping piece hydraulic loose clamp mechanism, as shown in fig. 1-3, and is a special tool for manufacturing a stress steel strand embossing anchor;
The single-oil-way self-return jacking jack is arranged at the bottom of a frame of the lightweight anchor plate 13, an oil pump oil hole 20 and a chuck oil hole 2 are arranged on a jacking oil cylinder 1 of the single-oil-way self-return jacking jack, the oil pump oil hole 20 and the chuck oil hole 2 are 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-way self-return jacking jack, a return tension spring 7 is arranged in the spring mounting hole, and the return tension spring 7 is used for automatically returning the jacking piston 5;
The automatic clamping piece hydraulic loosening mechanism is arranged at the top of the frame of the lightweight anchor plate 13 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 a 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 this embodiment, the single oil way self-return jacking jack comprises a jacking cylinder 1, a jacking piston 5 and a jacking head 10, the top end of the jacking cylinder 1 is connected with a cylinder fixing plate 6 at the bottom of a frame of a lightweight anchor plate 13, the jacking piston 5 is movably connected in an inner cavity 23 of the jacking cylinder 1, a sealing ring 4 is arranged between the jacking piston 5 and the inner cavity 23 of the jacking cylinder 1, a first piston cavity 21 is arranged in the jacking piston 5, a top spring mounting seat 8 is arranged at the top of the first piston cavity 21, a bottom spring mounting seat 22 is arranged on the bottom plate of the jacking 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 cylinder 1 through the fixing screw 3 and the sealing gasket, the jacking head 10 is arranged at the top of the jacking piston 5, and the jacking head 10 is positioned in the inner cavity 23 of the frame of the lightweight anchor plate 13. The inner side of the top opening of the jacking cylinder 1 is connected with a positioning sleeve 9 in a threaded manner, and the positioning sleeve 9 is sleeved outside the jacking piston 5 and is movably connected with the jacking piston 5. The outer end face of the positioning sleeve 9 is provided with 2 or 4 uniformly distributed process installation notches, the process installation notches are used for installing the positioning sleeve, and the notches are rotary installation clamping positions of the positioning sleeve. During installation, the assembly tool is clamped into the notch to clamp, and the positioning sleeve 9 is driven to rotate to screw into the jacking oil cylinder 1, so that the installation is completed; a dustproof guide sleeve is arranged on the inner hole wall of the positioning sleeve 9.
In this embodiment, the frame of the lightweight anchor plate 13 includes a cylinder fixing plate 6, a side plate 11 and a lightweight anchor plate 13, the lightweight anchor plate 13 is disposed at the top of the cylinder fixing plate 6, the side plate 11 is disposed between the cylinder fixing plate 6 and the lightweight anchor plate 13, and the cylinder fixing plate 6, the side plate 11 and the lightweight anchor plate 13 are surrounded to form an inner cavity 23 for performing the binding operation; the side plates 11 are provided with lightweight process holes to reduce weight, and the lightweight anchor plates 13 are provided with lightweight 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 this embodiment, the second piston cavity 25, the movable chuck 17 mounting groove, the fixed chuck 18 mounting groove and the steel strand placement groove 24 are formed in the lightweight anchor plate 13, the steel strand placement groove 24 penetrates through the lightweight anchor plate 13 and is communicated with the inner cavity 23, the movable chuck 17 mounting groove is formed in one side of the steel strand placement groove 24, the fixed chuck 18 mounting groove is formed in the other side of the steel strand placement groove 24, the piston cavity of the chuck piston 15 is formed in the outer side of the movable chuck 17 mounting groove, 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, a sealing plate 14 connected with the lightweight anchor plate 13 through the screw is arranged at the opening of the second piston cavity 25 at the other end of the chuck piston 15, one end of the pressure spring 16 is connected with the cavity bottom of the second piston cavity 25, and the other end of the pressure spring 16 is connected with the chuck piston 15.
The preassembly acting tension of the return tension spring 7 is larger than the using pressure of the return compression spring 16, and when the chuck piston 15 works, after the steel strand is clamped by the action of the chuck piston 15, the jacking piston 5 works to jack the embossing.
As shown in fig. 4, the end surface of the movable chuck 17 opposite to the fixed chuck 18 is provided with spiral inverted triangle teeth for clamping the steel strand.
According to the hydraulic embossing machine with the single oil way automatic return stroke and the loose clamp, a prestress 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 propped in an inner hole of a jacking head 10, and oil is supplied by pressing a matched single oil way oil pump oil supply control button, wherein the preassembly tension of a return tension spring 7 is larger than the use pressure of a return pressure spring 16, a chuck piston 15 of a chuck jack firstly acts to push out a movable chuck 17 to clamp the steel strand, and then a jacking piston 5 of the jacking jack then acts to push out the jacking head 10 to jack the steel strand for embossing. After the embossing of the steel strands into pear-shaped scattered patterns is finished, the oil feeding control button of the oil pump is loosened to stop feeding oil, the chuck piston 15 and the jacking piston 5 return respectively 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, and the oil of the jack returns to the oil pump, so that the one-time circulation embossing operation is finished.
The principles and embodiments of the present invention have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.
Claims (10)
1. A hydraulic gin with single oil way and automatic return stroke and loose clamp is characterized in that: the hydraulic clamping device comprises a single oil way self-return jacking jack, a lightweight anchor plate rack and an automatic clamping piece hydraulic loosening 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 the chuck oil pipe; a spring mounting hole is formed in the jacking piston of the single-oil-way self-return jacking jack, a return tension spring is arranged in the spring mounting hole, and the return tension spring is used for automatic return of the jacking piston;
The automatic clamping piece hydraulic loosening and clamping mechanism is arranged at the top of the lightweight anchor plate rack and comprises a movable clamping head connected with a clamping head piston and a fixed clamping head arranged opposite to the movable clamping head, a piston cavity II of the clamping head piston is communicated with the other end of the clamping head oil pipe, the clamping head piston is used for pushing the movable clamping head to move towards the fixed clamping head to clamp a steel strand, a return pressure spring is arranged on the clamping head piston, and the return pressure spring can enable the movable clamping head to automatically return.
2. The hydraulic single-oil-way automatic return and release gin according to claim 1, characterized in that: the single-oil-way 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 a lightweight anchor plate rack, the jacking piston is movably connected in an inner cavity of the jacking oil cylinder, a first piston cavity is arranged inside the jacking piston, a top spring mounting seat is arranged at the top of the first piston cavity, 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, and the jacking head is arranged at the top of the jacking piston and positioned in the inner cavity of the lightweight anchor plate rack.
3. The hydraulic single-oil-way automatic return and release gin according to claim 2, characterized in that: the inner side of the top opening of the jacking oil cylinder is connected with a positioning sleeve in a threaded manner, and the positioning sleeve is sleeved outside the jacking piston and is movably connected with the jacking piston.
4. The hydraulic single-oil-way automatic return and release 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 hydraulic single-oil-way automatic return and release gin according to claim 2, characterized in that: the lightweight anchor plate rack comprises the oil cylinder fixing plate, side plates and a lightweight anchor plate, wherein the lightweight anchor plate is arranged at the top of the oil cylinder fixing plate, the side plates are arranged between the oil cylinder fixing plate and the lightweight anchor plate, and the oil cylinder fixing plate, the side plates and the lightweight anchor plate are surrounded to form an inner cavity for embossing operation; the side plates are provided with light-weight process holes for reducing weight, and the light-weight anchor plates are provided with light-weight process grooves for reducing weight.
6. The hydraulic single-oil-way automatic return and release 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 hydraulic single-oil-way automatic return and release 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 hydraulic single-oil-way automatic return and release gin according to claim 5, wherein: the novel hydraulic chuck is characterized in that the second piston cavity, the movable chuck mounting groove, the fixed chuck mounting groove and the steel strand placing groove are formed in the lightweight anchor plate, the steel strand placing groove penetrates through the lightweight anchor plate and is communicated with the inner cavity, the movable chuck mounting groove is formed in one side of the steel strand placing groove, the fixed chuck mounting groove is formed in the other side of the steel strand placing groove, the second piston cavity of the chuck piston is formed in the outer side of the movable chuck mounting groove, 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 second piston cavity of the chuck piston, one end of the chuck piston is connected with the movable chuck, a sealing plate connected with the lightweight anchor plate through a screw is arranged at the opening of the second piston cavity, one end of the return pressure spring is connected with the bottom of the second piston cavity, and the other end of the return pressure spring is connected with the chuck piston.
9. The single oil way automatic return and release hydraulic gin of claim 8, wherein: the pre-installation acting tension of the return tension spring is larger than the using pressure of the return compression spring, and when the clamp is in operation, the clamp piston firstly acts to clamp the steel strand, and then the jacking piston acts to jack the embossing.
10. The single oil way automatic return and release hydraulic gin of claim 8, wherein: and spiral inverted triangle teeth are arranged on the end surfaces of the movable clamping heads, which are opposite to the fixed clamping heads, for clamping the steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332521.3A CN114042842B (en) | 2021-11-11 | 2021-11-11 | Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332521.3A CN114042842B (en) | 2021-11-11 | 2021-11-11 | Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114042842A CN114042842A (en) | 2022-02-15 |
| CN114042842B true CN114042842B (en) | 2024-04-19 |
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ID=80208375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111332521.3A Active CN114042842B (en) | 2021-11-11 | 2021-11-11 | Hydraulic cotton gin with single oil way and automatic return stroke and loose clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114042842B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
-
2021
- 2021-11-11 CN CN202111332521.3A patent/CN114042842B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114042842A (en) | 2022-02-15 |
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