CN105751105A - Clamping and positioning device of square pipe - Google Patents
Clamping and positioning device of square pipe Download PDFInfo
- Publication number
- CN105751105A CN105751105A CN201610245580.XA CN201610245580A CN105751105A CN 105751105 A CN105751105 A CN 105751105A CN 201610245580 A CN201610245580 A CN 201610245580A CN 105751105 A CN105751105 A CN 105751105A
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- China
- Prior art keywords
- locating piece
- clamping
- font locating
- telescoping cylinder
- positioning device
- 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.)
- Withdrawn
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 33
- 238000010276 construction Methods 0.000 abstract description 13
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a clamping and positioning device of a square pipe.The clamping and positioning device comprises a first base and a stop piece.The first base is vertically arranged on one side of the stop piece.The end, away from the stop piece, of the first base is provided with a first telescopic cylinder.A first positioning block shaped like the Arabic number '7' is hinged to the tail end of a cylinder rod of the first telescopic cylinder.A first wheel is hinged to one end of the first positioning block shaped like the Arabic number '7', and a second wheel is hinged to the other end of the first positioning block shaped like the Arabic number '7'.The clamping and positioning device is suitable for an automatic production line, the number of operators is decreased, the production efficiency and product yield are increased, safety accidents are avoided, and construction cost is reduced.
Description
Technical field
The present invention relates to construction engineering technical field, particularly relate to the clamping and positioning device of a kind of square tube.
Background technology
Along with the raising day by day of living standard, people are increasing for house and the demand doing utilities building.Existing building mostly is reinforced concrete structure, but traditional reinforced concrete structure building course is complex, wastes substantial amounts of manpower and materials；Meanwhile, during the demolishing buildings of reinforced concrete structure, it is necessary to carrying out destructive dismounting, the construction material after dismounting cannot be carried out recycling, the serious waste of the resource caused.Therefore, the steel construction building body of plug-in type arises at the historic moment, and being transported to precalculated position by pre-processed body of wall, and is connected with building body main frame, building thus completing building body quickly and easily.Work progress needs to use substantial amounts of square steel tube, but the square tube needs of supplied materials could use after processing, when processing square tube, it is necessary to by square tube Set and Positioning.In prior art, again through manually square tube being clamped after the square tube of supplied materials being arranged on the instrument of location, again square tube is further processed after band square tube Set and Positioning.But there is drawback in actual production in this kind of processing mode, need on the one hand to be manually placed on Set and Positioning instrument by square tube, again through manually square tube being clamped, so make production efficiency comparatively low, and manually location clamping very easily to occur that error easily causes the process to square tube not in place, cause a lot of underproof products of appearance, and then increase the cost of construction；On the other hand, this kind of mode is not suitable for adopting on automatic production line, and easily occurs danger in manual operation process, considerably increases potential safety hazard.
Therefore, the clamping and positioning device of a kind of square tube, to suitable in automatic production line, reduce operator's quantity, improve the yield rate of production efficiency and product, it is to avoid the generation of security incident, and then reduction construction cost, just become the problem that those skilled in the art need solution badly.
Summary of the invention
It is an object of the invention to provide the clamping and positioning device of a kind of square tube, to suitable in automatic production line, reducing operator's quantity, improve the yield rate of production efficiency and product, it is to avoid the generation of security incident, and then reduce construction cost.
To achieve these goals, the present invention provides the clamping and positioning device of a kind of square tube, and including the first pedestal and block, described first pedestal is vertically set on described block side；Described first pedestal is provided with the first telescoping cylinder away from described block one end, the cylinder rod end of described first telescoping cylinder is hinged with the first " 7 " font locating piece, one end of described first " 7 " font locating piece is hinged with the first roller, and its other end is hinged with the second roller；Being provided with induction chip on described block and the contact surface of square tube, when described square tube and described induction chip fit, described induction chip sends signal to the controller of described first telescoping cylinder, and controls described first telescoping cylinder stopping.
Preferably, also include the second pedestal being vertically set on described block opposite side, described second pedestal is provided with the second telescoping cylinder away from described block one end, the cylinder rod end of described second telescoping cylinder is hinged with the second " 7 " font locating piece, one end of described second " 7 " font locating piece is hinged with the 3rd roller, and its other end is hinged with the 4th roller.
Preferably, being provided with head rod between described first telescoping cylinder and described first " 7 " font locating piece, and a terminal bolt of described head rod is connected to the cylinder rod of described first telescoping cylinder, its other end is articulated with described first " 7 " font locating piece.
Preferably, being provided with the second connecting rod between described second telescoping cylinder and described second " 7 " font locating piece, and a terminal bolt of described second connecting rod is connected to the cylinder rod of described second telescoping cylinder, its other end is articulated with described second " 7 " font locating piece.
Preferably, it is provided with the first spring between the corner of described head rod and described first " 7 " font locating piece.
Preferably, it is provided with the second spring between the corner of described second connecting rod and described second " 7 " font locating piece.
Preferably, the pin joint between described head rod and described first " 7 " font locating piece is arranged between corner and described second roller of described first " 7 " font locating piece.
Preferably, the pin joint between described second connecting rod and described second " 7 " font locating piece is arranged between corner and described 4th roller of described second " 7 " font locating piece.
The clamping and positioning device of square tube provided by the invention, including the first pedestal and block, described first pedestal is vertically set on described block side；Described first pedestal is provided with the first telescoping cylinder away from described block one end, the cylinder rod end of described first telescoping cylinder is hinged with the first " 7 " font locating piece, one end of described first " 7 " font locating piece is hinged with the first roller, and its other end is hinged with the second roller；Being provided with induction chip on described block and the contact surface of square tube, when described square tube and described induction chip fit, described induction chip sends signal to the controller of described first telescoping cylinder, and controls described first telescoping cylinder stopping.
nullThis device is usable on automatic production line，During use，After square tube arrives positioner，Start the first telescoping cylinder，Its cylinder rod is stretched out，And then drive the first " 7 " font locating piece to move to the square tube of required location，First second roller of the first " 7 " font locating piece lower end touches square tube，And then promote square tube to move to block，When square tube and block against after，Owing to the first telescoping cylinder moves forward，First " 7 " font locating piece rotates around its pin joint，It is positioned at the first roller contact of the first " 7 " font locating piece upper end to square tube，Abut to square tube the effect to square tube applying power when the first roller and the second roller after simultaneously，First telescoping cylinder is stopped，Now square tube achieves location and the process of clamping，And then complete the further process to square tube，After square tube completes later stage process，The cylinder rod retraction of the first telescoping cylinder，Square tube is made to depart from clamping and positioning device，Enter into next step operation.This device, it is adaptable to automatic production line, reduces operator's quantity, improves the yield rate of production efficiency and product, it is to avoid the generation of security incident, and then reduces construction cost.
In a preferred embodiment, clamping and positioning device provided by the present invention, also include the second pedestal being vertically set on described block opposite side, described second pedestal is provided with the second telescoping cylinder away from described block one end, the cylinder rod end of described second telescoping cylinder is hinged with the second " 7 " font locating piece, one end of described second " 7 " font locating piece is hinged with the 3rd roller, and its other end is hinged with the 4th roller.This device may be configured as two clamping and positioning devices, and two positioners are distributed in the both sides of block, in order to simultaneously completes clamping and the location of two square tubes, improves production efficiency, and then reduce the cost of the manufacturing.
In a preferred embodiment, clamping and positioning device provided by the present invention, it is provided with head rod between described first telescoping cylinder and described first " 7 " font locating piece, and a terminal bolt of described head rod is connected to the cylinder rod of described first telescoping cylinder, its other end is articulated with described first " 7 " font locating piece.In this structure, the connection between the first telescoping cylinder and the first " 7 " font locating piece is easy in the setting of head rod, owing to location stroke is longer, when the first telescoping cylinder and the first " 7 " font locating piece are directly connected to, it is necessary to the telescoping cylinder of selection is larger in size, considerably increases the cost of device fabrication, after installing head rod additional, while ensureing to realize technique effect, the first telescoping cylinder that preferred dimension is less, in order to reduce the cost of manufacturing equipment.
In a preferred embodiment, clamping and positioning device provided by the present invention, it is provided with the second connecting rod between described second telescoping cylinder and described second " 7 " font locating piece, and a terminal bolt of described second connecting rod is connected to the cylinder rod of described second telescoping cylinder, its other end is articulated with described second " 7 " font locating piece.In this structure, the connection between the second telescoping cylinder and the second " 7 " font locating piece is easy in the setting of the second connecting rod, owing to location stroke is longer, when the second telescoping cylinder and the second " 7 " font locating piece are directly connected to, it is necessary to the telescoping cylinder of selection is larger in size, considerably increases the cost of device fabrication, after installing the second connecting rod additional, while ensureing to realize technique effect, the second telescoping cylinder that preferred dimension is less, in order to reduce the cost of manufacturing equipment.
In a preferred embodiment, clamping and positioning device provided by the present invention, it is provided with the first spring between the corner of described head rod and described first " 7 " font locating piece.In this structure, install the first spring additional and ensure that when the first " 7 " font locating piece is not when positioning clamping, be in fixed position, timely return after completing location clamping.
In a preferred embodiment, clamping and positioning device provided by the present invention, it is provided with the second spring between the corner of described second connecting rod and described second " 7 " font locating piece.In this structure, install the second spring additional and ensure that when the second " 7 " font locating piece is not when positioning clamping, be in fixed position, timely return after completing location clamping.
In a preferred embodiment, clamping and positioning device provided by the present invention, the pin joint between described head rod and described first " 7 " font locating piece is arranged between corner and described second roller of described first " 7 " font locating piece.In this structure, the selection of the pin joint between the first " 7 " font locating piece and head rod ensure that whole equipment realizes best location clamping effect, and then improves production efficiency, reduces construction cost.
In a preferred embodiment, clamping and positioning device provided by the present invention, the pin joint between described second connecting rod and described second " 7 " font locating piece is arranged between corner and described 4th roller of described second " 7 " font locating piece.In this structure, the selection of the pin joint between the second " 7 " font locating piece and the second connecting rod ensure that whole equipment realizes best location clamping effect, and then improves production efficiency, reduces construction cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of detailed description of the invention of the clamping and positioning device of square tube provided by the present invention.
Description of reference numerals:
1, block, 2, square tube, the 3, first roller, the 4, first " 7 " font locating piece
5, the first spring, 6, head rod, the 7, first telescoping cylinder, the 8, first pedestal
9, the 4th roller, the 10, second pedestal, the 11, second telescoping cylinder, the 12, second connecting rod
13, the second spring, the 14, second " 7 " font locating piece, the 15, the 3rd roller.
Detailed description of the invention
The core of the present invention is the clamping and positioning device of a kind of square tube, to suitable in automatic production line, reducing operator's quantity, improves the yield rate of production efficiency and product, it is to avoid the generation of security incident, and then reduces construction cost.
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing, the present invention is further detailed.
Refer to the structural representation of a kind of detailed description of the invention of the clamping and positioning device that Fig. 1, Fig. 1 are square tube provided by the present invention.
In a kind of detailed description of the invention, the clamping and positioning device of square tube provided by the invention, including the first pedestal 8 and block 1, described first pedestal 8 is vertically set on described block 1 side；Described first pedestal 8 is provided with the first telescoping cylinder 7 away from described block 1 one end, the cylinder rod end of described first telescoping cylinder 7 is hinged with the first " 7 " font locating piece 4, one end of described first " 7 " font locating piece 4 is hinged with the first roller 3, and its other end is hinged with the second roller；Being provided with induction chip on described block and the contact surface of square tube, when described square tube and described induction chip fit, described induction chip sends signal to the controller of described first telescoping cylinder, and controls described first telescoping cylinder stopping.
nullThis device is usable on automatic production line，During use，After square tube 2 arrives positioner，Start the first telescoping cylinder 7，Its cylinder rod is stretched out，And then drive the first " 7 " font locating piece 4 to move to the square tube 2 of required location，First second roller of the first " 7 " font locating piece 4 lower end touches square tube 2，And then promote square tube 2 to move to block 1，When square tube 2 and block 1 against after，Owing to the first telescoping cylinder 7 moves forward，First " 7 " font locating piece 4 rotates around its pin joint，The first roller 3 being positioned at the first " 7 " font locating piece 4 upper end touches square tube 2，After the first roller 3 and the second roller abut to square tube 2 simultaneously and square tube 2 apply the effect of power，First telescoping cylinder 7 is stopped，Now square tube 2 achieves location and the process of clamping，And then complete the further process to square tube 2，After square tube 2 completes later stage process，The cylinder rod retraction of the first telescoping cylinder 7，Square tube 2 is made to depart from clamping and positioning device，Enter into next step operation.
This device, it is adaptable to automatic production line, reduces operator's quantity, improves the yield rate of production efficiency and product, it is to avoid the generation of security incident, and then reduces construction cost.
It will be appreciated that, this device also includes the second pedestal 10 being vertically set on described block 1 opposite side, described second pedestal 10 is provided with the second telescoping cylinder 11 away from described block 1 one end, the cylinder rod end of described second telescoping cylinder 11 is hinged with the second " 7 " font locating piece 14, one end of described second " 7 " font locating piece 14 is hinged with the 3rd roller 15, and its other end is hinged with the 4th roller 9.This device may be configured as two clamping and positioning devices, and two positioners are distributed in the both sides of block 1, in order to simultaneously completes clamping and the location of two square tubes 2, improves production efficiency, and then reduce the cost of the manufacturing.
In this structure, it is provided with head rod 6 between described first telescoping cylinder 7 and described first " 7 " font locating piece 4, and a terminal bolt of described head rod 6 is connected to the cylinder rod of described first telescoping cylinder 7, its other end is articulated with described first " 7 " font locating piece 4.In this structure, the connection between the first telescoping cylinder 7 and the first " 7 " font locating piece 4 is easy in the setting of head rod 6, owing to location stroke is longer, when the first telescoping cylinder 7 and the first " 7 " font locating piece 4 are directly connected to, it is necessary to the first telescoping cylinder 7 of selection is larger in size, considerably increases the cost of device fabrication, after installing head rod 6 additional, while ensureing to realize technique effect, the first telescoping cylinder 7 that preferred dimension is less, in order to reduce the cost of manufacturing equipment.Being connected for bolt between head rod 6 and the cylinder rod of the first telescoping cylinder 7, this kind of connected mode is easy to the installation between mechanism and maintenance.Additionally, the connected mode at this place can also adopt other connected modes such as welding.
In this structure, it is provided with the second connecting rod 12 between described second telescoping cylinder 11 and described second " 7 " font locating piece 14, and a terminal bolt of described second connecting rod 12 is connected to the cylinder rod of described second telescoping cylinder 11, its other end is articulated with described second " 7 " font locating piece 14.In this structure, the connection between the second telescoping cylinder 11 and the second " 7 " font locating piece 14 is easy in the setting of the second connecting rod 12, owing to location stroke is longer, when the second telescoping cylinder 11 and the second " 7 " font locating piece 14 are directly connected to, it is necessary to the second telescoping cylinder 11 of selection is larger in size, considerably increases the cost of device fabrication, after installing the second connecting rod 12 additional, while ensureing to realize technique effect, the second telescoping cylinder 11 that preferred dimension is less, in order to reduce the cost of manufacturing equipment.Being connected for bolt between second connecting rod 12 and the cylinder rod of the second telescoping cylinder 11, this kind of connected mode is easy to the installation between mechanism and maintenance.Additionally, the connected mode at this place can also adopt other connected modes such as welding.
Specifically it is understood by, between the corner of described head rod 6 and described first " 7 " font locating piece 4, is provided with the first spring 5.In this structure, install the first spring 5 additional and ensure that when the first " 7 " font locating piece 4 is not when positioning clamping, be in fixed position, timely return after completing location clamping.Certainly the first spring 5 herein can also adopt other returning device to replace, for instance elastic steel sheet etc..
It is further appreciated by, between the corner of described second connecting rod 12 and described second " 7 " font locating piece 14, is provided with the second spring 13.In this structure, install the second spring 13 additional and ensure that when the second " 7 " font locating piece 14 is not when positioning clamping, be in fixed position, timely return after completing location clamping.Certainly the second spring 13 herein can also adopt other returning device to replace, for instance elastic steel sheet etc..
In this structure, the pin joint between described head rod 6 and described first " 7 " font locating piece 4 is arranged between corner and described second roller of described first " 7 " font locating piece 4.In this structure, the selection of the pin joint between the first " 7 " font locating piece 4 and head rod 6 ensure that whole equipment realizes best location clamping effect, and then improves production efficiency, reduces construction cost.
In this structure, the pin joint between described second connecting rod 12 and described second " 7 " font locating piece 14 is arranged between corner and described 4th roller 9 of described second " 7 " font locating piece 14.
In this structure, the selection of the pin joint between the second " 7 " font locating piece 14 and the second connecting rod 12 ensure that whole equipment realizes best location clamping effect, and then improves production efficiency, reduces construction cost.
It is pointed out that ordinal numbers such as " first, second " described in literary composition, be the different structure in order to distinguish same names, only for describing conveniently, do not indicate that certain order, more should not be construed as any restriction.
Below some one exemplary embodiment of the present invention is only described by the mode of explanation, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, it is possible to by various different modes, described embodiment is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (8)
1. the clamping and positioning device of a square tube, it is characterised in that including the first pedestal (8) and block (1), described first pedestal (8) is vertically set on described block (1) side；Described first pedestal (8) is provided with the first telescoping cylinder (7) away from described block (1) one end, the cylinder rod end of described first telescoping cylinder (7) is hinged with the first " 7 " font locating piece (4), one end of described first " 7 " font locating piece (4) is hinged with the first roller (3), and its other end is hinged with the second roller；
Being provided with induction chip on described block and the contact surface of square tube, when described square tube and described induction chip fit, described induction chip sends signal to the controller of described first telescoping cylinder, and controls described first telescoping cylinder stopping.
2. clamping and positioning device according to claim 1, it is characterized in that, also include the second pedestal (10) being vertically set on described block (1) opposite side, described second pedestal (10) is provided with the second telescoping cylinder (11) away from described block (1) one end, the cylinder rod end of described second telescoping cylinder (11) is hinged with the second " 7 " font locating piece (14), one end of described second " 7 " font locating piece (14) is hinged with the 3rd roller (15), and its other end is hinged with the 4th roller (9).
3. clamping and positioning device according to claim 2, it is characterized in that, it is provided with head rod (6) between described first telescoping cylinder (7) and described first " 7 " font locating piece (4), and a terminal bolt of described head rod (6) is connected to the cylinder rod of described first telescoping cylinder (7), its other end is articulated with described first " 7 " font locating piece (4).
4. clamping and positioning device according to claim 3, it is characterized in that, it is provided with the second connecting rod (12) between described second telescoping cylinder (11) and described second " 7 " font locating piece (14), and a terminal bolt of described second connecting rod (12) is connected to the cylinder rod of described second telescoping cylinder (11), its other end is articulated with described second " 7 " font locating piece (14).
5. clamping and positioning device according to claim 4, it is characterised in that be provided with the first spring (5) between the corner of described head rod (6) and described first " 7 " font locating piece (4).
6. clamping and positioning device according to claim 5, it is characterised in that be provided with the second spring (13) between the corner of described second connecting rod (12) and described second " 7 " font locating piece (14).
7. clamping and positioning device according to claim 6, it is characterized in that, the pin joint between described head rod (6) and described first " 7 " font locating piece (4) is arranged between corner and described second roller of described first " 7 " font locating piece (4).
8. clamping and positioning device according to claim 7, it is characterized in that, the pin joint between described second connecting rod (12) and described second " 7 " font locating piece (14) is arranged between corner and described 4th roller (9) of described second " 7 " font locating piece (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245580.XA CN105751105A (en) | 2016-04-19 | 2016-04-19 | Clamping and positioning device of square pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245580.XA CN105751105A (en) | 2016-04-19 | 2016-04-19 | Clamping and positioning device of square pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105751105A true CN105751105A (en) | 2016-07-13 |
Family
ID=56325226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610245580.XA Withdrawn CN105751105A (en) | 2016-04-19 | 2016-04-19 | Clamping and positioning device of square pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105751105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434539A (en) * | 2019-08-30 | 2019-11-12 | 贵州大学 | A kind of fixture of the monoblock type of welding |
-
2016
- 2016-04-19 CN CN201610245580.XA patent/CN105751105A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434539A (en) * | 2019-08-30 | 2019-11-12 | 贵州大学 | A kind of fixture of the monoblock type of welding |
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Application publication date: 20160713 |
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| WW01 | Invention patent application withdrawn after publication |