CN103447770A - Method for manufacturing pipe clamp, pipe clamp and pipeline - Google Patents
Method for manufacturing pipe clamp, pipe clamp and pipeline Download PDFInfo
- Publication number
- CN103447770A CN103447770A CN2013104029521A CN201310402952A CN103447770A CN 103447770 A CN103447770 A CN 103447770A CN 2013104029521 A CN2013104029521 A CN 2013104029521A CN 201310402952 A CN201310402952 A CN 201310402952A CN 103447770 A CN103447770 A CN 103447770A
- Authority
- CN
- China
- Prior art keywords
- pipe clamp
- connecting portion
- half pipe
- clamps
- clamp
- 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
Images
Landscapes
- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a method for manufacturing a pipe clamp. The pipe clamp comprises semi-pipe clamp pairs for connecting a pipeline. The method comprises the following steps: forming a blank by extruding continuously, wherein the blank is a semicircular cylinder provided with flanges on both sides; cutting the blank to form a plurality of semi-finished products which are equally divided along the longitudinal direction of the blank; machining the semi-finished products to form a plurality of semi-pipe clamp pairs, wherein two semi-pipe clamps in each semi-pipe clamp pair are of the same shape and size; and combining the semi-pipe clamps into the pipe clamp. Moreover, the invention further discloses a pipe clamp and a pipeline comprising the pipe clamp. The pipe clamp is manufactured according to the pipe clamp manufacturing method disclosed by the invention by extruding and machining, so that a pipe clamp of a simple outline shape can be manufactured; and defects of the produced pipe clamp can be reduced through an extruding process, so that the performance of the produced pipe clamp is improved.
Description
Technical field
The present invention relates to a kind of method of manufacturing pipe clamp, the pipe clamp of making by the method and the pipeline that comprises this pipe clamp.
Background technology
Concrete conveying pipe is a part indispensable in the concrete conveyance process, and concrete conveying pipe is generally to be formed by connecting by pipe clamp by some concrete delivery pipes.The conventional general material of pipe clamp is steel, and by die casting or forging molding, this type of pipe clamp weight is heavier, the more difficult control of defect.In recent years, also occurred the pipe clamp of aluminum alloy material on market, adopted equally with steel pipe strap and similarly cast or Forging Technology, but because the material characteristic of aluminium alloy is limit, its defect is difficult to control more, and performance is difficult to meet instructions for use, and accepted product percentage is not high.
In a word, pipe clamp of the prior art has following defect:
1, complex contour, by die casting or forging molding, technique is more complicated, the more difficult control of defect;
2, every kind of specifications and models all need specific mould, and production cost and improving cost are all higher.
Summary of the invention
An object of the present invention is to provide a kind of method of manufacturing pipe clamp, the method has improved manufactures the production efficiency of pipe clamp, and can facilitate the improvement of pipe clamp.
Another object of the present invention is to provide a kind of pipe clamp, and this pipe clamp is made by the method for manufacture pipe clamp provided by the invention.
A further object of the present invention is to provide a kind of pipeline, and this pipeline is used pipe clamp provided by the invention.
To achieve these goals, the invention provides a kind of method of manufacturing pipe clamp, described pipe clamp comprises half pipe clamp pair for connecting pipe, and the method comprises: by the alloy in lightweight material, by continuously extruded formation blank, described blank forms the semicircular cylinder shape that both sides have flange; Cut described blank, to form along a plurality of semi-finished product of vertical decile of described blank; The described a plurality of semi-finished product of machined, to form a plurality of half pipe clamps pair, and the geomery of two and half pipe clamps of each double pipe clamp centering is identical; By described half pipe clamp to being combined into pipe clamp.
Preferably, in the described a plurality of half-finished steps of machined, the semicanal jig of described a plurality of half pipe clamp centerings of formation has two connecting portions, and described two connecting portions are platform-type connecting portion, and are symmetrically located at the two ends of described half pipe clamp.
Preferably, in the described a plurality of half-finished steps of machined, the semicanal jig of described a plurality of half pipe clamp centerings of formation has two connecting portions, and the one in described two connecting portions is the buckle-type connecting portion, and another one is the pin shaft connected connecting portion.
On the basis of the technical scheme of the method for above-mentioned manufacture pipe clamp, the present invention also provides a kind of pipe clamp, this pipe clamp comprises half pipe clamp pair for connecting pipe, two semicanal cartoons of described half pipe clamp centering are crossed connector and are connected to be sleeved on pipeline, wherein, this pipe clamp is made by the method described in technique scheme.
Preferably, described half pipe clamp is alloy in lightweight.
Preferably, described half pipe clamp is to comprising the first half pipe clamps and the second half pipe clamps, described the first half pipe clamps comprise the first connecting portion and the second connecting portion, described the second half pipe clamps comprise the 3rd connecting portion and the 4th connecting portion, offer through hole on all on described the first connecting portion, the second connecting portion, the 3rd connecting portion and the 4th connecting portion, described connector is screw bolt and nut, described bolt through described through hole and by described fastening nuts to connect described the first half pipe clamps and the second half pipe clamps.
Preferably, described half pipe clamp is to comprising the first half pipe clamps and the second half pipe clamps, described the first half pipe clamps comprise the first connecting portion and the second connecting portion, described the second half pipe clamps comprise the 3rd connecting portion and the 4th connecting portion, described the first connecting portion is connected by bearing pin with the 3rd connecting portion, and described the second connecting portion is connected by hasp with the 4th connecting portion.
Preferably, described half pipe clamp is to comprising the first half pipe clamps and the second half pipe clamps, described the first half pipe clamps comprise the first connecting portion and the second connecting portion, described the second half pipe clamps comprise the 3rd connecting portion and the 4th connecting portion, described the first connecting portion is connected by bearing pin with the 3rd connecting portion, and described the second connecting portion is connected by bolt and nut with the 4th connecting portion.
On the basis of the technical scheme of above-mentioned pipe clamp, the present invention also provides a kind of pipeline, comprises the multistage tube connector, wherein, between adjacent described tube connector, by the pipe clamp described in technique scheme, connects.
Preferably, described pipeline is concrete conveying pipe.
Pass through technique scheme, because the method for manufacture pipe clamp according to the present invention is passed through extruding, cutting, the operation of machined and combination is manufactured pipe clamp, therefore can produce the simple pipe clamp of contour structures, and because extrusion process itself is understood the defect that reduces the pipe clamp of producing, therefore improved the performance of the pipe clamp of producing, in addition, extruding and mach operation have formed a whole set of continual production line, thereby improved production efficiency, in addition, owing to can process half different pipe clamp pair of multipair geomery in the machined link, and half different pipe clamps is to forming the pipe clamp of different model specification, so adopt the method for manufacture pipe clamp of the present invention not need conventional cast or the required mould of Forging Technology, thereby make the material of pipe clamp, structure &processes improves all more convenient, saved cost simultaneously, met the requirement of higher economy.Moreover, because pipe clamp provided by the invention adopts the alloy in lightweight material that is suitable for extrusion process, when having alleviated own wt, also make the finished product defect less.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms the part of specification, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method for manufacture pipe clamp according to the embodiment of the present invention;
Fig. 2 is the structural representation according to the pipe clamp of the first embodiment of the present invention;
Fig. 3 is the structural representation according to the pipe clamp of the second embodiment of the present invention;
Fig. 4 is the structural representation according to the pipe clamp of the third embodiment of the present invention;
Fig. 5 is the structural representation of blank according to the embodiment of the present invention;
Fig. 6 is half-finished structural representation according to the embodiment of the present invention.
Description of reference numerals
1 the first half pipe clamp 2, the second half pipe clamps
3 hasp 11 first connecting portions
12 second connecting portion 23 the 3rd connecting portions
24 the 4th connecting portions
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
According to an aspect of the present invention, as shown in Figure 1, provide a kind of method of manufacturing pipe clamp, described pipe clamp comprises half pipe clamp pair for connecting pipe, the method comprises: by the alloy in lightweight material, by continuously extruded formation blank, blank forms the semicircular cylinder shape that both sides have flange; The cutting blank, to form along a plurality of semi-finished product of vertical decile of blank; A plurality of semi-finished product of machined, to form a plurality of half pipe clamps pair, and the geomery of two and half pipe clamps of each double pipe clamp centering is identical; By half pipe clamp to being combined into pipe clamp.
As mentioned above, because the method for manufacture pipe clamp according to the present invention is passed through extruding, cutting, the operation of machined and combination is manufactured pipe clamp, therefore can produce the simple pipe clamp of contour structures, and because extrusion process itself is understood the defect that reduces the pipe clamp of producing, therefore improved the performance of the pipe clamp of producing, in addition, extruding, cutting and mach operation have formed a whole set of continual production line, thereby improved production efficiency, in addition, owing to can process half different pipe clamp pair of multipair geomery in the machined link, and half different pipe clamps is to forming the pipe clamp of different model specification, so adopt the method for manufacture pipe clamp of the present invention not need conventional cast or the required mould of Forging Technology, thereby make the material of pipe clamp, structure &processes improves all more convenient, saved cost simultaneously, met the requirement of higher economy.
Particularly, in a plurality of half-finished steps of machined, can process half pipe clamp with two connecting portions, these two connecting portions can be platform-type connecting portion, and are symmetrically located at the two ends of half pipe clamp; Perhaps the one in two connecting portions is the buckle-type connecting portion, and another one is the pin shaft connected connecting portion, and the invention is not restricted to this.
Referring to Fig. 2 to Fig. 4, according to another aspect of the present invention, the present invention also provides a kind of pipe clamp, comprise half pipe clamp pair for connecting pipe, two semicanal cartoons of half pipe clamp centering are crossed connector and are connected to be sleeved on pipeline, wherein, this pipe clamp is made by the method described in technique scheme.Because pipe clamp is made by said method, so contour structures is simple, and extrusion process especially reduced the defect of the pipe clamp of producing, and makes the performance of pipe clamp be guaranteed.
In addition, in order to adapt to extrusion process, and alleviate the weight of pipe clamp and then save energy and reduce the cost, preferably, half pipe clamp of half pipe clamp centering is alloy in lightweight, such as aluminium alloy, magnesium alloy and titanium alloy etc., and the invention is not restricted to this.Generally, the weight of alloy in lightweight pipe clamp is compared steel pipe strap can alleviate 40% to 60%, and weight loss effect is quite obvious.
As shown in Figure 2, according to the first embodiment of the present invention, preferably, described half pipe clamp is to comprising the first half pipe clamps 1 and the second half pipe clamps 2, the first half pipe clamps 1 comprise the first connecting portion 11 and the second connecting portion 12, described the second half pipe clamps 2 comprise the 3rd connecting portion 23 and the 4th connecting portion 24, offer through hole on all on the first connecting portion 11, the second connecting portion 12, the 3rd connecting portion 23 and the 4th connecting portion 24, connector is screw bolt and nut, bolt through through hole and by fastening nuts to connect the first half pipe clamps 1 and the second half pipe clamps 2.
Fig. 3 has shown the pipe clamp according to the second embodiment of the present invention, as can be seen from the figure, the first connecting portion 11 is connected by bearing pin with the 3rd connecting portion 23, and the second connecting portion 12 is connected by hasp 3 with the 4th connecting portion 24, thereby is fixedly connected with the first half pipe clamps 1 and the second half pipe clamps 2.
Referring to Fig. 4, according to the third embodiment of the present invention, preferably, the first connecting portion 11 is connected by bearing pin with the 3rd connecting portion 23, the second connecting portion 23 is connected by bolt and nut with the 4th connecting portion 24, thereby is fixedly connected with the first half pipe clamps 1 and the second half pipe clamps 2.
Obviously, the first half pipe clamps 1 can also be connected by other means with the second half pipe clamps 2, and the connected mode similar or relevant to above-mentioned three kinds of connected modes all should fall into protection scope of the present invention, repeats no more here.
According to a further aspect of the invention, the present invention also provides a kind of pipeline, comprises the multistage tube connector, wherein, between adjacent described tube connector, by the pipe clamp described in technique scheme, connects.And preferably, described pipeline is concrete conveying pipe.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can be combined by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can carry out any combination, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a method of manufacturing pipe clamp, described pipe clamp comprises half pipe clamp pair for connecting pipe, the method comprises:
By the alloy in lightweight material, by continuously extruded formation blank, described blank forms the semicircular cylinder shape that both sides have flange;
Cut described blank, to form along a plurality of semi-finished product of vertical decile of described blank;
The described a plurality of semi-finished product of machined, to form a plurality of half pipe clamps pair, and the geomery of two and half pipe clamps of each double pipe clamp centering is identical;
By described half pipe clamp to being combined into pipe clamp.
2. method according to claim 1, it is characterized in that, in the described a plurality of half-finished steps of machined, the semicanal jig of described a plurality of half pipe clamp centerings of formation has two connecting portions, described two connecting portions are platform-type connecting portion, and are symmetrically located at the two ends of described half pipe clamp.
3. method according to claim 1, it is characterized in that, in the described a plurality of half-finished steps of machined, the semicanal jig of described a plurality of half pipe clamp centerings of formation has two connecting portions, one in described two connecting portions is the buckle-type connecting portion, and another one is the pin shaft connected connecting portion.
4. a pipe clamp, comprise half pipe clamp pair for connecting pipe, and two semicanal cartoons of described half pipe clamp centering are crossed connector and connected to be sleeved on pipeline, it is characterized in that, this pipe clamp is made by method according to claim 1.
5. pipe clamp according to claim 4, it is characterized in that, described half pipe clamp is to comprising the first half pipe clamps (1) and the second half pipe clamps (2), described the first half pipe clamps (1) comprise the first connecting portion (11) and the second connecting portion (12), described the second half pipe clamps (2) comprise the 3rd connecting portion (23) and the 4th connecting portion (24), described the first connecting portion (11), the second connecting portion (12), offer through hole on all on the 3rd connecting portion (23) and the 4th connecting portion (24), described connector is screw bolt and nut, described bolt through described through hole and by described fastening nuts to connect described the first half pipe clamps (1) and the second half pipe clamps (2).
6. pipe clamp according to claim 4, it is characterized in that, described half pipe clamp is to comprising the first half pipe clamps (1) and the second half pipe clamps (2), described the first half pipe clamps (1) comprise the first connecting portion (11) and the second connecting portion (12), described the second half pipe clamps (2) comprise the 3rd connecting portion (23) and the 4th connecting portion (24), described the first connecting portion (11) is connected by bearing pin with the 3rd connecting portion (23), and described the second connecting portion (12) is connected by hasp (3) with the 4th connecting portion (24).
7. pipe clamp according to claim 4, it is characterized in that, described half pipe clamp is to comprising the first half pipe clamps (1) and the second half pipe clamps (2), described the first half pipe clamps (1) comprise the first connecting portion (11) and the second connecting portion (12), described the second half pipe clamps (2) comprise the 3rd connecting portion (23) and the 4th connecting portion (24), described the first connecting portion (11) is connected by bearing pin with the 3rd connecting portion (23), and described the second connecting portion (23) is connected by bolt and nut with the 4th connecting portion (24).
8. a pipeline, comprise the multistage tube connector, it is characterized in that, between adjacent described tube connector, passes through to connect according to the described pipe clamp of any one in claim 4 to 7.
9. pipeline according to claim 8, is characterized in that, described pipeline is concrete conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402952.1A CN103447770B (en) | 2013-09-06 | 2013-09-06 | Manufacture the method for pipe clamp, pipe clamp and pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402952.1A CN103447770B (en) | 2013-09-06 | 2013-09-06 | Manufacture the method for pipe clamp, pipe clamp and pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103447770A true CN103447770A (en) | 2013-12-18 |
| CN103447770B CN103447770B (en) | 2016-03-09 |
Family
ID=49730816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310402952.1A Active CN103447770B (en) | 2013-09-06 | 2013-09-06 | Manufacture the method for pipe clamp, pipe clamp and pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103447770B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994286A (en) * | 2014-05-30 | 2014-08-20 | 杨永坚 | Fixing structure at joint between large pipe and small pipe |
| CN105014320A (en) * | 2015-07-20 | 2015-11-04 | 中山市祥丰瓦斯器材制品有限公司 | Valve body manufacturing method |
| CN105033587A (en) * | 2015-08-10 | 2015-11-11 | 湖北三江航天红阳机电有限公司 | Method for machining half shells with multiple spiral grooves distributed in outer circles |
| CN112756914A (en) * | 2020-12-30 | 2021-05-07 | 佛山市南海力格模具五金有限公司 | Method for producing metal pipe hoop |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509826A (en) * | 2002-12-24 | 2004-07-07 | 鼎福工业有限公司 | Manufacturing method for aluminium alloy vehicle rim |
| CN1672829A (en) * | 2004-03-24 | 2005-09-28 | 大连理工大学 | Magnesium alloy plate extruding formation process |
| US20090127846A1 (en) * | 2004-03-26 | 2009-05-21 | Victaulic Company | Method of Joining Pipes in End to End Relation |
| CN101745793A (en) * | 2008-11-28 | 2010-06-23 | 北京有色金属研究总院 | Method for producing irregular-section composite pipe |
| CN201582505U (en) * | 2009-10-30 | 2010-09-15 | 三一重工股份有限公司 | Pipe clamp, material-distributing arm with same and concrete-transporting machine |
| CN102022594A (en) * | 2009-09-21 | 2011-04-20 | 徐工集团工程机械股份有限公司建设机械分公司 | Hoop, pipeline conveyer device and concrete pump truck |
| CN102107255A (en) * | 2010-12-20 | 2011-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Die forging forming method of basin-shaped blank |
| CN102401202A (en) * | 2011-11-02 | 2012-04-04 | 中联重科股份有限公司 | Pipe clamp and connecting structure of fluid conveying pipeline |
| CN102528397A (en) * | 2012-01-31 | 2012-07-04 | 西南铝业（集团）有限责任公司 | Method for producing aluminium alloy row material used for shoe mold |
| CN202541409U (en) * | 2012-02-07 | 2012-11-21 | 丛林集团有限公司 | Rear lamp frame of carriages |
| CN103042357A (en) * | 2011-12-19 | 2013-04-17 | 湖南晟通科技集团有限公司 | Processing method and processing tool for aluminum alloy girder |
-
2013
- 2013-09-06 CN CN201310402952.1A patent/CN103447770B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509826A (en) * | 2002-12-24 | 2004-07-07 | 鼎福工业有限公司 | Manufacturing method for aluminium alloy vehicle rim |
| CN1672829A (en) * | 2004-03-24 | 2005-09-28 | 大连理工大学 | Magnesium alloy plate extruding formation process |
| US20090127846A1 (en) * | 2004-03-26 | 2009-05-21 | Victaulic Company | Method of Joining Pipes in End to End Relation |
| CN101745793A (en) * | 2008-11-28 | 2010-06-23 | 北京有色金属研究总院 | Method for producing irregular-section composite pipe |
| CN102022594A (en) * | 2009-09-21 | 2011-04-20 | 徐工集团工程机械股份有限公司建设机械分公司 | Hoop, pipeline conveyer device and concrete pump truck |
| CN201582505U (en) * | 2009-10-30 | 2010-09-15 | 三一重工股份有限公司 | Pipe clamp, material-distributing arm with same and concrete-transporting machine |
| CN102107255A (en) * | 2010-12-20 | 2011-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Die forging forming method of basin-shaped blank |
| CN102401202A (en) * | 2011-11-02 | 2012-04-04 | 中联重科股份有限公司 | Pipe clamp and connecting structure of fluid conveying pipeline |
| CN103042357A (en) * | 2011-12-19 | 2013-04-17 | 湖南晟通科技集团有限公司 | Processing method and processing tool for aluminum alloy girder |
| CN102528397A (en) * | 2012-01-31 | 2012-07-04 | 西南铝业（集团）有限责任公司 | Method for producing aluminium alloy row material used for shoe mold |
| CN202541409U (en) * | 2012-02-07 | 2012-11-21 | 丛林集团有限公司 | Rear lamp frame of carriages |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994286A (en) * | 2014-05-30 | 2014-08-20 | 杨永坚 | Fixing structure at joint between large pipe and small pipe |
| CN103994286B (en) * | 2014-05-30 | 2016-04-06 | 靖江市维益知识产权服务有限公司 | A kind of fixed structure of large tubule joint |
| CN105014320A (en) * | 2015-07-20 | 2015-11-04 | 中山市祥丰瓦斯器材制品有限公司 | Valve body manufacturing method |
| CN105033587A (en) * | 2015-08-10 | 2015-11-11 | 湖北三江航天红阳机电有限公司 | Method for machining half shells with multiple spiral grooves distributed in outer circles |
| CN112756914A (en) * | 2020-12-30 | 2021-05-07 | 佛山市南海力格模具五金有限公司 | Method for producing metal pipe hoop |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103447770B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103447770B (en) | Manufacture the method for pipe clamp, pipe clamp and pipeline | |
| CN110091138A (en) | A kind of novel hollow production method of shaft | |
| CN101780628A (en) | Processing process for compressing and riveting nuts | |
| CN102240892B (en) | Method for forming hollow front shaft | |
| CN203356523U (en) | Manufacturing device for flange nut through cold heading | |
| CN104526262A (en) | Method and product for manufacturing lamination type screw rotor | |
| CN201008940Y (en) | Cast forming mould of flange casting elements | |
| CN102500732A (en) | Multi-station cold heading forming technology of automobile door limiter | |
| CN104399862B (en) | Technology for producing spherical metal joint | |
| CN105945521B (en) | A kind of square axle sleeve with square hole and its processing method and application | |
| CN112719178B (en) | Method for manufacturing bearing pin for welding of vehicle | |
| CN104646591A (en) | Exannulate polar column hot upsetting technology for ultra-large type steel ball | |
| CN104384852A (en) | Method for machining hub shaft tube | |
| CN105215252A (en) | The forming technology of the mould of preform 45 ° of skew T jumping-up parts, method and 45 ° of skew Ts | |
| CN102172750A (en) | Magnesium alloy construction member step temperature forming method | |
| CN107671218A (en) | A kind of cold-heading molding technique and cold-heading module for being used to manufacture double end tail cutting slot screw | |
| CN205032617U (en) | Cold -heading device of riveting nut is turned over to four corners flange orientation | |
| CN201064815Y (en) | Car shock absorber frame bolt cold upsetting die | |
| CN205183642U (en) | Mould of 45 skew T jumping -up spares in advance takes shape | |
| CN104128744A (en) | Reducing process for producing T iron by cold forging | |
| CN203442366U (en) | Pipe clamp and pipe | |
| CN101963179A (en) | Tubing bolt, molding process and mold thereof | |
| CN102679079A (en) | Aluminum compressed elbow and machining process thereof | |
| CN204386661U (en) | Stacked screw rotor | |
| CN202290819U (en) | Drawing mold for production of profile material of electrical high-speed railway feedback wire clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |