CN108687397B - Steel plate centering device for shearing machine - Google Patents
Steel plate centering device for shearing machine Download PDFInfo
- Publication number
- CN108687397B CN108687397B CN201810646285.4A CN201810646285A CN108687397B CN 108687397 B CN108687397 B CN 108687397B CN 201810646285 A CN201810646285 A CN 201810646285A CN 108687397 B CN108687397 B CN 108687397B
- Authority
- CN
- China
- Prior art keywords
- positioning ring
- guide rod
- centering device
- steel plate
- flange chassis
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/10—Stops for positioning work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a steel plate centering device for a shearing machine, which comprises a guide rod, a flange chassis and a mounting framework, wherein the flange chassis is sleeved at the bottom end of the guide rod and is fixedly connected with the guide rod; the part of the guide rod for fixing the main positioning ring is a stability augmentation section, and the cross section outline shape of the stability augmentation sleeve hole is matched with that of the stability augmentation section; the main positioning ring is propped against and fixedly connected with the flange chassis through the connecting surface. Compared with the prior art, the invention has the following advantages: the main locating ring is utilized to strengthen the guide rod, the fixing strength of welded connection between the guide rod and the flange chassis can be enhanced, the requirement of frequent lifting and transverse movement of the magnetic centering device in the production process can be met, and the magnetic centering device has the characteristics of simple equipment structure, convenience in installation and manufacture, low cost and the like, and is suitable for industrial popularization and application.
Description
Technical Field
The invention relates to the technical field of metallurgical machinery, in particular to a magnetic centering device of a shearing machine, which can stably adjust a steel plate.
Background
In metallurgical enterprises, a wide and thick plate production line is a production line for processing metal plates, and a shearing machine arranged on the wide and thick plate production line is one of key equipment for ensuring the dimensional accuracy of steel plates and plays a vital role in the production process.
The magnetic force centering device is used as one of important component components of the shearing machine, has the function of centering and adjusting the steel plate in the production process, is provided with a guide rod, and the reliability and rationality of the design of the guide rod play a key role in the use precision and service life of the magnetic force centering device.
Referring to fig. 1 and 2, fig. 1 is a schematic view showing a partial structure of a typical steel plate centering device for a shearing machine in the prior art; fig. 2 is a schematic cross-sectional view taken along A-A in fig. 1.
In the prior art, the guide rod a of the magnetic centering device is fixed by bolts, that is, the guide rod a is arranged on the magnetic centering device by four bolts. The magnetic force centering device is mainly used for adjusting the position of a supplied steel plate in the shearing process, and is very frequently used, so that the problems of open welding and fracture of the guide rod a and the flange bottom plate b (one of the component parts of the guide rod a) frequently occur in the using process, the service life of the magnetic force centering device is seriously influenced, and the daily production of the shearing machine is seriously restricted. Due to the problem of cracking between the guide rod a and the flange bottom plate b, the installation accuracy of the guide rod a is reduced, and thus the processing accuracy of the steel plate is greatly affected. If the problem of multiple cracking occurs between the guide rod a and the flange chassis, the guide rod a can bring extremely large passive force to maintenance, which is extremely unfavorable for cost reduction and efficiency improvement.
In summary, how to improve the reliability of the setting of the guide rod on the magnetic centering device is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a steel plate centering device for a shearing machine, which can reduce the problems of open welding and fracture of a guide rod and a flange base, improve the fixing firmness of the guide rod and strengthen the operation stability of the magnetic centering device, and adopts the following technical scheme:
the steel plate centering device for the shearing machine comprises a guide rod (1), a flange chassis (2) and a mounting framework (3), wherein the flange chassis is sleeved at the bottom end of the guide rod and is fixedly connected with the guide rod, the flange chassis is fixedly connected with the mounting framework,
the device also comprises a main positioning ring (4), wherein a stability augmentation sleeve hole is formed in the main positioning ring, and the lower side surface of the main positioning ring is a connecting surface;
the main positioning ring is sleeved on the guide rod through the stability augmentation sleeve hole and is fixedly connected with the guide rod, the part of the guide rod for fixing the main positioning ring is a stability augmentation section, and the cross section outline shape of the stability augmentation sleeve hole is matched with the cross section outline shape of the stability augmentation section;
the main positioning ring is propped against the flange chassis through the connecting surface and is fixedly connected with the flange chassis.
Preferably, in the steel plate centering device for a shearing machine, the steel plate centering device for a shearing machine further comprises an auxiliary positioning ring (5), wherein the auxiliary positioning ring is provided with a reinforcing sleeve hole, and the auxiliary positioning ring is sleeved on the outer side of the main positioning ring through the reinforcing sleeve hole and is fixedly connected with the main positioning ring;
the bottom surface of the auxiliary positioning ring is fixedly connected with the flange chassis.
Preferably, in the steel plate centering device for a shearing machine, an avoidance groove (6) is provided around the reinforcing trepanning and on the bottom surface of the auxiliary positioning ring.
Preferably, in the steel plate centering device for a shearing machine, a surface of the flange chassis, which is used for being in contact with a connection surface of the main positioning ring, is a butt-joint surface, and a surface shape of the connection surface is identical to a surface shape of the butt-joint surface.
Preferably, in the steel plate centering device for a shear, the abutting surface is a plane, and the connecting surface is a plane.
Preferably, in the steel plate centering device for a shearing machine, the main positioning ring is welded with the guide rod, and the main positioning ring is welded with the flange chassis;
the auxiliary locating ring is in welded connection with the main locating ring, and the auxiliary locating ring is in welded connection with the flange chassis.
Preferably, in the steel plate centering device for a shearing machine, the main positioning ring has an integral structure.
In the steel plate centering device for a shearing machine, preferably, a plurality of auxiliary positioning rings are provided, and the auxiliary positioning ring positioned on the inner side between two adjacent auxiliary positioning rings is provided in the avoiding groove of the auxiliary positioning ring positioned on the outer side.
Preferably, in the steel plate centering device for a shearing machine, the auxiliary positioning ring has an integral structure.
Through the structural design, compared with the prior art, the invention has the following advantages: the main positioning ring is utilized to reinforce the arrangement of the guide rod on the flange chassis, so that the fixing strength of welded connection between the guide rod and the flange chassis can be enhanced. The invention also has the characteristics of simple equipment structure, convenient installation and manufacture, low cost and the like, and is suitable for industrial popularization and application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
FIG. 1 is a schematic view of a part of a steel plate centering device for a typical shearing machine in the prior art;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
in fig. 1 and 2, the correspondence of the component name reference numerals is:
guide rod a, flange base b.
FIG. 3 is a schematic view showing a partial structure of a steel plate centering device for a shear in an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along B-B in FIG. 3;
FIG. 5 is a schematic view of a partial enlarged structure of a portion of the circle C in FIG. 4;
FIG. 6 is a schematic view of a secondary positioning ring according to an embodiment of the present invention;
FIG. 7 is a schematic view of a part of a steel plate centering device for a shearing machine in which a plurality of auxiliary positioning rings are provided in an embodiment of the present invention;
in fig. 3 to 7, the correspondence of the component name reference numerals is:
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
Referring to fig. 3 to 7, fig. 3 is a schematic partial structure diagram of a steel plate centering device for a shearing machine according to an embodiment of the invention; FIG. 4 is a schematic cross-sectional view taken along B-B in FIG. 3; FIG. 5 is a schematic view of a partial enlarged structure of a portion of the circle C in FIG. 4; FIG. 6 is a schematic view of a secondary positioning ring according to an embodiment of the present invention; fig. 7 is a schematic view showing a partial structure of a steel plate centering device for a shear when a plurality of auxiliary positioning rings are provided in an embodiment of the present invention.
The invention provides a steel plate centering device for a shearing machine, wherein in the prior art, a guide rod 1 is welded with a flange bottom plate to form the centering device, and the guide rod 1 is fixed on a mounting framework 3 and is fixed by four bolts. In the production process, due to frequent use, the steel plate is required to be continuously lifted and moved transversely by the installation framework 3, so that the problem of open welding and breakage often occurs at the joint of the guide rod 1 and the flange bottom plate, and the guide rod 1 needs to be replaced once the condition that the guide rod 1 is connected with the flange bottom plate and broken occurs. The guide bar 1 needs to be stopped when being replaced, and the stop time is about two hours, so that the operation efficiency of the shearing machine is greatly reduced.
In order to solve the problems, the invention optimizes the following structure based on the existing steel plate centering device: the flange chassis 2 is sleeved at the bottom end of the guide rod 1 and is fixedly connected with the guide rod 1, the flange chassis 2 is fixedly connected with the installation framework 3, the invention is also particularly provided with a main positioning ring 4 (a first positioning ring), a stability-enhancing sleeve hole is formed in the main positioning ring 4, and the lower side surface of the main positioning ring 4 is a connecting surface; the main positioning ring 4 is sleeved on the guide rod 1 through a stability augmentation sleeve hole and is fixedly connected with the guide rod 1, the part of the guide rod 1 for fixing the main positioning ring 4 is a stability augmentation section, and the cross section outline shape of the stability augmentation sleeve hole is matched with the cross section outline shape of the stability augmentation section; the main positioning ring 4 is fixedly connected with the flange chassis 2 through a connecting surface.
The flange chassis 2 and the guide rod 1 are fixedly connected in a welding mode, and the flange chassis 2 is propped against the mounting framework 3 and is fixed through bolts (four).
In order to increase the connection strength between the guide rod 1 and the flange chassis 2, the main positioning ring 4 is sleeved on the guide rod 1. The main locating ring 4 is provided with a stability augmentation sleeve hole, the main locating ring 4 is sleeved on the guide rod 1 through the stability augmentation sleeve hole, the inner side surface of the stability augmentation sleeve hole is tightly attached to the outer side surface of the guide rod 1, and the main locating ring 4 is in face-to-face contact with the guide rod 1, so that the stability of connection between the main locating ring 4 and the guide rod 1 can be improved.
Defined herein as: the whole height of the main locating ring 4 is not less than 30mm, and the top of the main locating ring 4 is fixedly connected with the guide rod 1 in a welding mode, and is reinforced by welding, so that the firm degree of connection between the main locating ring 4 and the guide rod 1 can be increased to a great extent.
The bottom surface (connection surface) of the main positioning ring 4 contacts with the flange chassis 2 and is fixedly connected in a welding mode, and the main positioning ring 4 can increase the connection strength between the guide rod 1 and the flange chassis 2, so that the cracking problem between the guide rod 1 and the flange chassis 2 is reduced.
Through the structural design, compared with the prior art, the invention has the following advantages: the main positioning ring 4 is utilized to reinforce the arrangement of the guide rod 1 on the flange chassis 2, the fixing strength of the welded connection between the guide rod 1 and the flange chassis 2 can be enhanced, and the steel plate centering device provided by the invention is arranged on the centering shearing machine, so that the requirement of frequent lifting and transverse movement of the magnetic force centering device in the production process can be met. The invention also has the characteristics of simple equipment structure, convenient installation and manufacture, low cost and the like, and is suitable for industrial popularization and application.
Based on the above structural design, in order to improve the reliability of connection between the main positioning ring 4 and the flange chassis 2, the invention also provides an auxiliary positioning ring 5 (second positioning ring), wherein the auxiliary positioning ring 5 is provided with a reinforcing sleeve hole, and the auxiliary positioning ring 5 is sleeved outside the main positioning ring 4 through the reinforcing sleeve hole and is fixedly connected with the main positioning ring 4. After the auxiliary locating ring 5 is sleeved on the main locating ring 4, the bottom surface of the auxiliary locating ring 5 is propped against the flange chassis 2, then the auxiliary locating ring 5 is fixedly connected with the main locating ring 4 in a welding mode, and the auxiliary locating ring 5 is fixed on the flange chassis 2 in a welding mode. The auxiliary locating ring 5 is additionally arranged, so that the connection strength between the main locating ring 4 and the flange chassis 2 is improved.
Specifically, a relief groove 6 is provided around the reinforcing trepanning and on the bottom surface of the secondary retainer ring 5. The provision of the avoidance groove 6 has the following two effects: 1. the allowance is reserved for welding the main positioning ring 4 on the flange chassis 2; 2. when the sub-positioning ring 5 is provided in plurality, an installation space can be provided for the inner sub-positioning ring.
When the auxiliary positioning rings 5 are provided in plurality, the main positioning ring 4 is reinforced by the plurality of auxiliary positioning rings, which can improve the firmness of the main positioning ring 4 on the flange chassis 2. In this embodiment, a plurality of auxiliary positioning rings 5 are provided, and the auxiliary positioning ring located inside between two adjacent auxiliary positioning rings is disposed in the avoiding groove 6 of the auxiliary positioning ring located outside.
In this embodiment, the surface of the flange chassis 2, which is used for contacting with the connection surface of the main positioning ring 4, is a butt joint surface, and the surface shape of the connection surface is identical to the surface shape of the butt joint surface. Based on the above definition, the connection surface on the main positioning ring 4 and the abutting surface on the flange chassis 2 can be planar structures. Of course, the connecting surface and the abutting surface can also adopt non-planar structures such as wavy structures, zigzag structures and the like, so that the contact area between the connecting surface and the abutting surface can be increased, and the connection strength between the main positioning ring 4 and the flange chassis 2 is improved.
In order to improve the structural strength of the main positioning ring 4, in the present invention, the main positioning ring 4 adopts an integral structural design. In order to improve the structural strength of the auxiliary positioning ring 5, in the invention, the auxiliary positioning ring 5 adopts an integrated structural design.
In one embodiment of the invention, one main positioning ring 4 is arranged, one auxiliary positioning ring 5 is arranged, the height of the main positioning ring 4 is 30mm, the inner diameter (the aperture of the stability increasing sleeve hole) of the main positioning ring 4 is slightly larger than the outer diameter of the guide rod 1, the main positioning ring 4 is sleeved at the bottom of the guide rod 1, then the top of the main positioning ring 4 is welded and fixed with the guide rod 1, and the bottom of the main positioning ring 4 is welded and fixed with the flange bottom plate; the auxiliary positioning ring 5 adopts a circular ring type structure, the setting height of the auxiliary positioning ring 5 is 20mm, the auxiliary positioning ring 5 is provided with an avoidance groove 6, the inner diameter of the auxiliary positioning ring 5 is slightly larger than the outer diameter of the main positioning ring 4, the auxiliary positioning ring 5 is sleeved at the bottom of the main positioning ring 4, the top of the auxiliary positioning ring 5 is welded and fixed with the main positioning ring 4, and the bottom of the auxiliary positioning ring 5 is welded and fixed with the flange bottom plate.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The steel plate centering device for the shearing machine comprises a guide rod (1), a flange chassis (2) and a mounting framework (3), wherein the flange chassis is sleeved at the bottom end of the guide rod and is fixedly connected with the guide rod, the flange chassis is fixedly connected with the mounting framework,
the device also comprises a main positioning ring (4), wherein a stability augmentation sleeve hole is formed in the main positioning ring, and the lower side surface of the main positioning ring is a connecting surface;
the main positioning ring is sleeved on the guide rod through the stability augmentation sleeve hole and is fixedly connected with the guide rod, the part of the guide rod for fixing the main positioning ring is a stability augmentation section, and the cross section outline shape of the stability augmentation sleeve hole is matched with the cross section outline shape of the stability augmentation section;
the main positioning ring is propped against the flange chassis through the connecting surface and is fixedly connected with the flange chassis;
the auxiliary positioning ring (5) is provided with a reinforcing sleeve hole, and is sleeved on the outer side of the main positioning ring through the reinforcing sleeve hole and fixedly connected with the main positioning ring;
the bottom surface of the auxiliary positioning ring is fixedly connected with the flange chassis.
2. The steel plate centering device for a shear according to claim 1, wherein,
and an avoidance groove (6) is formed on the bottom surface of the auxiliary positioning ring and surrounds the reinforcement sleeve hole.
3. The steel plate centering device for a shear according to claim 1, wherein,
the surface of the flange chassis, which is used for being contacted with the connecting surface of the main positioning ring, is a butt joint surface, and the surface shape of the connecting surface is matched with the surface shape of the butt joint surface.
4. A steel plate centering device for a shear according to claim 3, wherein,
the butt joint surface is a plane, and the connecting surface is a plane.
5. The steel plate centering device for a shear according to claim 1, wherein,
the main positioning ring is welded with the guide rod, and the main positioning ring is welded with the flange chassis;
the auxiliary locating ring is in welded connection with the main locating ring, and the auxiliary locating ring is in welded connection with the flange chassis.
6. The steel plate centering device for a shear according to any one of claims 1 to 5, wherein,
the main locating ring is of an integrated structure.
7. The steel plate centering device for a shear according to claim 2, wherein,
the auxiliary locating rings are arranged in a plurality, two adjacent auxiliary locating rings are arranged between the auxiliary locating rings, and the auxiliary locating ring positioned on the inner side is arranged in the avoidance groove of the auxiliary locating ring positioned on the outer side.
8. The steel plate centering device for a shear according to claim 7, wherein,
the auxiliary locating ring is of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646285.4A CN108687397B (en) | 2018-06-21 | 2018-06-21 | Steel plate centering device for shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646285.4A CN108687397B (en) | 2018-06-21 | 2018-06-21 | Steel plate centering device for shearing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108687397A CN108687397A (en) | 2018-10-23 |
| CN108687397B true CN108687397B (en) | 2023-07-11 |
Family
ID=63848898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810646285.4A Active CN108687397B (en) | 2018-06-21 | 2018-06-21 | Steel plate centering device for shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108687397B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222297A (en) * | 1979-03-26 | 1980-09-16 | Northeastern, Incorporated | Adapter construction for arbor installation of tooling |
| SU1047621A1 (en) * | 1982-04-28 | 1983-10-15 | Предприятие П/Я В-2869 | Tube clamping mechanism |
| US5472298A (en) * | 1994-01-13 | 1995-12-05 | Tycom Limited Partnership | Locating ring positioning apparatus for re-sharpened drill bit |
| JP2005199651A (en) * | 2004-01-19 | 2005-07-28 | Hitachi Communication Technologies Ltd | Locating ring guide structure of injection molding machine |
| JP2006027119A (en) * | 2004-07-16 | 2006-02-02 | Sekisui Chem Co Ltd | Mounting structure of locating ring of injection molding machine |
| JP2010099958A (en) * | 2008-10-24 | 2010-05-06 | Pascal Engineering Corp | Article positioning mechanism |
| DE202013010554U1 (en) * | 2013-11-22 | 2013-12-06 | Vosla Gmbh | Lamp base, lamp and motor vehicle headlights |
| EP3296055A1 (en) * | 2016-09-16 | 2018-03-21 | Wartmann Technologie AG | Device and method for through friction stir welding of a circular seam on rotation-symmetrical hollow bodies |
| CN208341884U (en) * | 2018-06-21 | 2019-01-08 | 山东钢铁股份有限公司 | Cutter steel plate centering device |
-
2018
- 2018-06-21 CN CN201810646285.4A patent/CN108687397B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222297A (en) * | 1979-03-26 | 1980-09-16 | Northeastern, Incorporated | Adapter construction for arbor installation of tooling |
| SU1047621A1 (en) * | 1982-04-28 | 1983-10-15 | Предприятие П/Я В-2869 | Tube clamping mechanism |
| US5472298A (en) * | 1994-01-13 | 1995-12-05 | Tycom Limited Partnership | Locating ring positioning apparatus for re-sharpened drill bit |
| JP2005199651A (en) * | 2004-01-19 | 2005-07-28 | Hitachi Communication Technologies Ltd | Locating ring guide structure of injection molding machine |
| JP2006027119A (en) * | 2004-07-16 | 2006-02-02 | Sekisui Chem Co Ltd | Mounting structure of locating ring of injection molding machine |
| JP2010099958A (en) * | 2008-10-24 | 2010-05-06 | Pascal Engineering Corp | Article positioning mechanism |
| DE202013010554U1 (en) * | 2013-11-22 | 2013-12-06 | Vosla Gmbh | Lamp base, lamp and motor vehicle headlights |
| EP3296055A1 (en) * | 2016-09-16 | 2018-03-21 | Wartmann Technologie AG | Device and method for through friction stir welding of a circular seam on rotation-symmetrical hollow bodies |
| CN208341884U (en) * | 2018-06-21 | 2019-01-08 | 山东钢铁股份有限公司 | Cutter steel plate centering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108687397A (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108687397B (en) | Steel plate centering device for shearing machine | |
| CN204282214U (en) | A kind of suspension cable cable saddle being convenient to manufacture and install | |
| CN210884876U (en) | Hoisting tool for marine low-speed diesel engine cylinder liner | |
| CN208341884U (en) | Cutter steel plate centering device | |
| CN205836522U (en) | Acoustic filter mounting assembly and muffler installation structure | |
| CN204917869U (en) | Dress side shifter is hung to high reliability for fork truck | |
| CN210236968U (en) | Support device for disassembling and assembling mixer carrier roller | |
| CN214560303U (en) | Fork truck mechanical arm part of accurate hole site processing | |
| CN210848999U (en) | Welding anti-welding device for standard joint step welding | |
| CN101446095B (en) | Bracket assembly for lifting jar and manufacturing method thereof | |
| CN213387548U (en) | Telescopic boom connecting structure | |
| CN218913484U (en) | Assembled bearing ring | |
| CN219852944U (en) | Car floor welding jacking frock | |
| CN220618340U (en) | Anticollision device of operation panel | |
| CN214439914U (en) | Feeding end plate structure of cement ball mill | |
| CN212077636U (en) | Matching piece for mounting steel truss girder | |
| CN216939109U (en) | Welding tool | |
| CN105174145A (en) | Suspended high-reliability side shifter for forklift | |
| CN216546124U (en) | Lifting support and engineering vehicle | |
| CN220365827U (en) | High-strength precise sheet metal part | |
| CN206747325U (en) | Beam slab and bender under bender | |
| CN212953943U (en) | Automatic alignment pin joint structure and crane | |
| CN210907490U (en) | Frock is rectified to hydraulic pressure type rocking arm | |
| CN219408888U (en) | Circular arc guide rail lifting device | |
| CN201671314U (en) | Guiding system of attachment type lifting scaffold with improved structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |