CN111687799A - Adjustable barrel support - Google Patents
Adjustable barrel support Download PDFInfo
- Publication number
- CN111687799A CN111687799A CN202010500640.4A CN202010500640A CN111687799A CN 111687799 A CN111687799 A CN 111687799A CN 202010500640 A CN202010500640 A CN 202010500640A CN 111687799 A CN111687799 A CN 111687799A
- Authority
- CN
- China
- Prior art keywords
- bracket
- switching section
- support
- rolling tooth
- cartridge holder
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
-
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
Abstract
The application belongs to the barrel bearing structure field, in particular to an adjustable barrel support. The method comprises the following steps: the rail car (1), the first bracket component (2), the second bracket component (3), the hobbing (4) and the barrel component (5). The rail car (1) is provided with a rail; the first bracket component (2) and the second bracket component (3) are respectively installed in the track, and the first bracket component (2) and the second bracket component (3) are respectively provided with a rolling tooth groove; the hobbing (4) is arranged in the corresponding hobbing slot; the barrel body part (5) is connected with the hobbing (4) in a matching way through a toothed belt. The adjustable barrel support can be adjusted in the axial direction and the vertical direction of the two support components and adjusted in the circumferential direction of the hobbing, barrel structures of various structural sizes used by the current engine can be matched, the problems of position, angle adjustment and movement of the barrel structures of the engine during preparation, processing and detection can be solved, and the adjustable barrel support is simple in structure, convenient to move and high in universality.
Description
Technical Field
The application belongs to the barrel bearing structure field, in particular to an adjustable barrel support.
Background
Aeroengine construction involves the construction of various types of barrel components of various materials, such as engine inner and outer ducts. At present, titanium alloy, high-temperature alloy or composite materials are widely used for preparing various cylinder structures on an engine, and effective support and angle and position adjustment of a shell are required in a series of activities of preparation, processing, various detections, such as nondestructive detection and residual stress detection of the shell, assembly and the like of the shell component. Since the housing parts are cylindrical or split, there are difficulties in effectively fixing and adjusting the angle and position.
Among the prior art, the aeroengine barrel part that is drum or to open architecture often relies on hoisting equipment and manual work to carry out position control when preparation, processing and measuring, can't realize better location and keep steady state along the engine axial, and it is inconvenient to remove, and some tests need do 360 rotatory all-round detections to the barrel simultaneously, have the adjustment inaccurate on barrel location and angular adjustment, appear easily lou to examine and repeatability inspection scheduling problem.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present application to provide an adjustable cartridge holder to address at least one problem existing in the prior art.
The technical scheme of the application is as follows:
an adjustable cartridge holder, comprising:
the rail car is provided with a rail;
the first support assembly comprises a first support base, a first transfer section, a first support block and a first bracket, wherein the first support base is arranged in a track of the rail car and can move along the track, one end of the first transfer section is in threaded connection with the first support base, the other end of the first transfer section is in threaded connection with the first support block, the first bracket is installed on the first support block, and a rolling tooth groove is formed in the first bracket;
the second support assembly comprises a second support base, a second switching section, a third switching section, a second support block and a second bracket, the second support base is arranged in a track of the rail car and can move along the track, one end of the second switching section is in threaded connection with the second support base, the other end of the second switching section is provided with a threaded hole, the third switching section is provided with an external thread, one end of the third switching section is in threaded connection with the second switching section, the other end of the third switching section is in threaded connection with the second support block, the second bracket is installed on the second support block, and the second bracket is provided with a rolling tooth groove;
the gear hobbing is arranged in the gear hobbing grooves of the first bracket and the second bracket;
the barrel body part, the one end of barrel body part major diameter is provided with first cingulum along circumference, and the one end of minor diameter is provided with the second cingulum along circumference, first cingulum is in with the setting gear hobbing cooperation in the first bracket is connected, the second cingulum is in with the setting gear hobbing cooperation in the second bracket is connected.
Optionally, the wheels of the rail car are provided with brake pads for locking the wheels when movement of the rail car is not required.
Optionally, the first supporting base and the second supporting base are both provided with supporting fastening bolts for locking after adjusting the distance between the two supporting bases.
Optionally, an installation block is arranged at one end of the third adapter section close to the second support block, so that the third adapter section can be conveniently installed.
Alternatively,
the first support block is provided with a first mounting groove, and the first bracket is inserted in the first mounting groove and fixed through a square pin;
and a second mounting groove is formed in the second supporting block, and the second bracket is inserted in the second mounting groove and fixed through a square pin.
Alternatively,
the first bracket is in a herringbone shape, two rolling tooth grooves are symmetrically formed in the first bracket, the rolling tooth grooves are in a long strip shape, and one rolling tooth is arranged in each rolling tooth groove;
the second bracket is in a herringbone shape, two rolling tooth grooves are symmetrically formed in the second bracket, the rolling tooth grooves are in a long strip shape, and one rolling tooth is installed in each rolling tooth groove.
Optionally, each hobbing slot is provided with a plurality of hobbing mounting parts, and hobbing is selectively mounted on the corresponding hobbing mounting parts according to the size of the barrel component.
Optionally, each of the rack grooves is provided with 4 rack mounting parts at equal intervals.
Optionally, a rocking handle is mounted on the hobbing.
Optionally, a pointer is arranged on the rocking handle, and the first bracket and the second bracket are provided with adaptive circumferential angle dials.
The invention has at least the following beneficial technical effects:
the adjustable barrel support can be adjusted in the axial direction and the vertical direction of the two support components and adjusted in the circumferential direction of the hobbing, barrel structures of various structural sizes used by the current engine can be matched, the problems of position, angle adjustment and movement of the barrel structures of the engine during preparation, processing and detection can be solved, and the adjustable barrel support is simple in structure, convenient to move and high in universality.
Drawings
FIG. 1 is a schematic overall view of an adjustable cartridge holder according to one embodiment of the present application;
FIG. 2 is a schematic view of a first bracket assembly of an adjustable cartridge holder according to one embodiment of the present application;
FIG. 3 is a schematic view of a second bracket assembly of the adjustable cartridge bracket of one embodiment of the present application assembled;
FIG. 4 is an exploded view of a second bracket assembly of the adjustable cartridge bracket according to one embodiment of the present application;
FIG. 5 is a schematic view of a hobbing assembly of an adjustable cartridge holder according to an embodiment of the present application;
FIG. 6 is a schematic illustration of a toothed belt of an adjustable cartridge holder according to an embodiment of the present application.
Wherein:
1-rail vehicle; 2-a first carriage assembly; 21-a first support base; 22-a first switching section; 23-a first support block; 24-a first carrier; 3-a second bracket assembly; 31-a second support base; 32-a second transition segment; 33-a third changeover portion; 34-a second support block; 35-a second carrier; 4-hobbing; 5-a barrel component; 51-a first toothed belt; 52-a second toothed belt; 6-a square pin; 7-a rocking handle; 8-circumferential angle dial.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1 to 6.
The application provides an adjustable barrel support, include: the rail car 1, the first carriage assembly 2, the second carriage assembly 3, the hobbing 4 and the barrel part 5.
Specifically, the overall structure of adjustable barrel support bears through railcar 1, has seted up the track on railcar 1 for the installation of first bracket component 2 and second bracket component 3, the wheel is installed to the bottom of railcar 1, the convenient removal. In this embodiment, the wheels of the railcar 1 are configured with brake pads for locking the wheels when the railcar 1 is not required to be moved.
The utility model provides an adjustable barrel support, first support assembly 2 includes first support base 21, first switching section 22, first supporting block 23 and first bracket 24, wherein, first support base 21 sets up in the track of railcar 1, and can follow the track and remove, the one end and the first support base 21 threaded connection of first switching section 22, the other end and first supporting block 23 threaded connection, first bracket 24 is installed on first supporting block 23, the tooth's socket has been seted up on first bracket 24. The second bracket assembly 3 includes a second supporting base 31, a second switching section 32, a third switching section 33, a second supporting block 34 and a second bracket 35, wherein the second supporting base 31 is disposed in the track of the railcar 1 and can move along the track, one end of the second switching section 32 is in threaded connection with the second supporting base 31, the other end of the second switching section 32 is provided with a threaded hole, the third switching section 33 is provided with an external thread, one end of the third switching section 33 is in threaded connection with the second switching section 32, the other end of the third switching section is in threaded connection with the second supporting block 34, the second bracket 35 is mounted on the second supporting block 34, and the second bracket 35 is provided with a rolling tooth groove.
In one embodiment of the present application, the rail on the rail car 1 is open at both ends to facilitate the installation of the first support base 21 and the second support base 31, and the distance between the first support base 21 and the second support base 31 is adjusted according to the actual length of the barrel part 5. Advantageously, in this embodiment, the plurality of threaded holes are formed in the side wall plate on the rail, and after the distance between the first supporting base 21 and the second supporting base 31 is adjusted, the two supporting bases are locked by the supporting fastening bolts, so that the stability of the whole device is improved.
In one embodiment of the present application, a first mounting hole is formed in the center of the first support base 21, one end of the first adapter 22 has a matching connection end, and the first adapter 22 is screwed into the first mounting hole to complete the assembly of the first adapter 22 and the first support base 21; similarly, a second mounting hole is formed in the center of the second support base 31, one end of the second adapter section 32 has a connection end matched with the second mounting hole, and the second adapter section 32 is installed in the second mounting hole in a threaded connection manner to complete the assembly of the second adapter section 32 and the second support base 31.
The application discloses adjustable barrel support, in first support subassembly 2, first switching section 22 is shaft-like, is provided with the external screw thread, and first supporting block 23 sets up threaded hole, first switching section 22 and first supporting block 23 threaded connection. In the second bracket assembly 3, the second switching section 32 is provided with a threaded hole, the third switching section 33 is rod-shaped and provided with an external thread, the third switching section 33 is in threaded connection with the second switching section, and a longer thread matching depth is provided between the third switching section 33 and the second switching section, so that the height can be adjusted, the second supporting block 34 is provided with a threaded hole, and the second supporting block 34 is in threaded connection with the third switching section 33. In this embodiment, an installation block is disposed at an end of the third adapting section 33 close to the second supporting block 34, so that the installation operation of the third adapting section 33 can be conveniently realized by a wrench, and the assembly efficiency of the third adapting section 33 can be improved.
In one embodiment of the present application, a first mounting groove is formed on the first supporting block 23, the first bracket 24 is inserted into the first mounting groove, corresponding openings are formed on the first supporting block 23 and the first bracket 24, and the square pin 6 is inserted into the corresponding openings to position and fix the first bracket 24; the second supporting block 34 is provided with a second mounting groove, the second bracket 35 is inserted into the second mounting groove, the second supporting block 34 and the second bracket 35 are provided with corresponding holes, and the square pin 6 is inserted into the corresponding holes to realize the positioning and fixing of the second bracket 35.
In one embodiment of the present application, the first bracket 24 is in a herringbone shape, and two rolling tooth grooves are symmetrically formed on the first bracket, the rolling tooth grooves are in a long strip shape, and one rolling tooth 4 is installed in each rolling tooth groove; the second bracket 35 is in a herringbone shape, two rolling tooth grooves are symmetrically formed in the second bracket, each rolling tooth groove is in a long strip shape, and one rolling tooth 4 is installed in each rolling tooth groove. In this embodiment, each rack may be provided with a plurality of rack mounting portions, for example, 4 rack mounting portions are provided at equal intervals on each rack, and the rack 4 is selectively mounted on the corresponding rack mounting portion according to the size of the barrel member 5.
Advantageously, in one embodiment of the present application, a rocking handle 7 is mounted on the hobbing 4, the rocking handle 7 can drive the hobbing 4 to rotate, a pointer is arranged on the rocking handle 7, a matched circumferential angle dial 8 is arranged on the first bracket 24 and the second bracket 35, and the pointer on the rocking handle 7 can indicate the rotation angle by comparing with the circumferential angle dial 8.
The installation of the adjustable barrel support of the application comprises the following steps:
firstly, the first switching section 22 and the first supporting block 23, the second switching section 32, the third switching section 33 and the second supporting block 34 are assembled through threads respectively, and the thread matching depth between the connection of the switching sections is determined according to the installation matching height requirement of the cylinder part 5, wherein the second switching section 32 and the third switching section 33 have longer thread matching depth, and the height can be adjusted to correspond to the support of the end face of the cylinder part 5 with smaller circumferential dimension. After the supporting block is installed on the switching section, the bracket falls into the corresponding supporting block installation groove, and the square pin 6 is inserted into the corresponding holes of the corresponding supporting block and the corresponding bracket, so that positioning and fixing are realized. The assembled supporting components are respectively placed in the tracks arranged on the rail car 1, the distance between the two supporting components is adjusted according to the axial length of the barrel part 5, and then the two supporting components are locked, and the wheels of the rail car 1 can be locked when the rail car does not need to move.
Secondly, according to the size of the cylinder body part 5 and the expected matching position of the corresponding bracket, the hobbing 4 falls into the corresponding position after a hobbing mounting part arranged in advance on the bracket is selected, and the rocking handle 7 with the pointer is connected with the hobbing 4 after the circumferential angle dial 8 is fixed on the bracket.
Finally, selecting a toothed belt with a proper length according to the size of the barrel part 5, and respectively bonding and fixing the first toothed belt 51 and the second toothed belt 52 on the matching circumferences of the two ends of the barrel part 5, so that the transmission of the toothed belt and the gear hobbing 4 after matching is realized while the matching contact surface of the barrel part 5 and the corresponding bracket is protected.
According to the transmission condition of gear matching, the ratio of the instantaneous angular speed of the hobbing 4 and the toothed belt is inversely proportional to the pitch circle radius of the hobbing 4 and the toothed belt, so that the rotating angle of the barrel part 5 can be definitely calculated according to the rotating angle indicated by the pointer on the rocking handle 7 by contrasting the circumferential angle dial 8, and the accurate control of the circumferential rotating angle of the barrel part 5 is realized.
The adjustable barrel support can be matched with barrel structures with various structural sizes used by the current engine through axial and vertical position adjustment of the two support components and circumferential adjustment of the hobbing, and can solve the problems of position, angle adjustment and movement of the barrel structure of the engine during preparation, processing and detection; through the calculation of the transmission ratio of the supporting gear hobbing and the gear belt attached to the edge of the casing, the accurate control of the circumferential rotation angle of the casing can be realized, and the problems of missing detection, repeated detection and the like during monitoring are avoided. The mobile terminal is simple in structure, convenient to move and high in universality.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An adjustable cartridge holder, comprising:
the rail car (1), wherein a rail is arranged on the rail car (1);
the first support assembly (2) comprises a first support base (21), a first switching section (22), a first support block (23) and a first bracket (24), the first support base (21) is arranged in a track of the rail car (1) and can move along the track, one end of the first switching section (22) is in threaded connection with the first support base (21), the other end of the first switching section is in threaded connection with the first support block (23), the first bracket (24) is installed on the first support block (23), and a rolling tooth groove is formed in the first bracket (24);
a second bracket assembly (3), wherein the second bracket assembly (3) comprises a second supporting base (31), a second switching section (32), a third switching section (33), a second supporting block (34) and a second bracket (35), the second support base (31) is arranged in a track of the rail vehicle (1), and can move along the track, one end of the second switching section (32) is connected with the second supporting base (31) in a threaded manner, the other end of the second switching section (32) is provided with a threaded hole, the third switching section (33) is provided with an external thread, one end of the third switching section (33) is in threaded connection with the second switching section (32), the other end is in threaded connection with the second supporting block (34), the second bracket (35) is arranged on the second supporting block (34), and a rolling tooth groove is formed in the second bracket (35);
a gear hobbing (4), the gear hobbing (4) being arranged in a gear hobbing slot of the first bracket (24) and the second bracket (35);
barrel part (5), the one end of barrel part (5) major radius is provided with first cingulum (51) along circumference, and the one end of minor radius is provided with second cingulum (52) along circumference, first cingulum (51) with set up gear hobbing (4) cooperation in first bracket (24) are connected, second cingulum (52) with set up gear hobbing (4) cooperation in second bracket (35) are connected.
2. An adjustable cartridge holder as claimed in claim 1, wherein the wheels of the rail car (1) are provided with brake pads for locking the wheels when rail car movement is not required.
3. The adjustable cartridge holder according to claim 1, wherein the first support base (21) and the second support base (31) are each provided with a support fastening bolt for locking after adjusting the distance between the two support bases.
4. The adjustable cartridge holder according to claim 1, wherein an end of the third adapter section (33) adjacent to the second support block (34) is provided with a mounting block to facilitate mounting of the third adapter section (33).
5. The adjustable cartridge holder of claim 1,
a first mounting groove is formed in the first supporting block (23), and the first bracket (24) is inserted into the first mounting groove and fixed through a square pin (6);
and a second mounting groove is formed in the second supporting block (34), and the second bracket (35) is inserted in the second mounting groove and fixed through a square pin (6).
6. The adjustable cartridge holder of claim 5,
the first bracket (24) is in a herringbone shape, two rolling tooth grooves are symmetrically formed in the first bracket, the rolling tooth grooves are in a long strip shape, and one rolling tooth (4) is arranged in each rolling tooth groove;
the second bracket (35) is in a herringbone shape, two rolling tooth grooves are symmetrically formed in the second bracket, the rolling tooth grooves are in a long strip shape, and one rolling tooth (4) is installed in each rolling tooth groove.
7. The adjustable cartridge holder according to claim 6, wherein each of the rack gear grooves is provided with a plurality of rack gear mounting portions, and the rack gears (4) are selectively mounted on the corresponding rack gear mounting portions according to the size of the cartridge body member (5).
8. An adjustable cartridge holder according to claim 7, wherein each of the rack of rollers is provided with 4 rack mounting portions at equal intervals.
9. An adjustable cartridge holder as claimed in claim 1, wherein a rocking handle (7) is mounted on the gear hobbing (4).
10. An adjustable cartridge holder according to claim 9, wherein the rocking handle (7) is provided with a pointer and the first bracket (24) and the second bracket (35) are provided with an adapted circumferential angle dial (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500640.4A CN111687799B (en) | 2020-06-04 | 2020-06-04 | Adjustable barrel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500640.4A CN111687799B (en) | 2020-06-04 | 2020-06-04 | Adjustable barrel support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111687799A true CN111687799A (en) | 2020-09-22 |
| CN111687799B CN111687799B (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010500640.4A Active CN111687799B (en) | 2020-06-04 | 2020-06-04 | Adjustable barrel support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111687799B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183113A (en) * | 2021-04-28 | 2021-07-30 | 哈尔滨玻璃钢研究院有限公司 | Multifunctional vehicle for barrel |
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| CN204171918U (en) * | 2014-11-06 | 2015-02-25 | 航天科工哈尔滨风华有限公司 | Three axles move adjustable V-arrangement bracket |
| CN106378755A (en) * | 2016-11-14 | 2017-02-08 | 北京特种机械研究所 | Aircraft engine maintaining platform |
| CN206383112U (en) * | 2016-11-14 | 2017-08-08 | 北京特种机械研究所 | aircraft engine maintenance platform |
| CN206952949U (en) * | 2017-06-21 | 2018-02-02 | 昆山钣源冲压技术有限公司 | A kind of adjustable mechanical parts machining platform |
| CN209792831U (en) * | 2019-04-09 | 2019-12-17 | 银隆新能源股份有限公司 | Protective device |
| CN110773972A (en) * | 2020-01-02 | 2020-02-11 | 中国航空制造技术研究院 | Posture adjusting and positioning device for assembling culvert casing |
| CN111015561A (en) * | 2019-12-28 | 2020-04-17 | 天津航天长征火箭制造有限公司 | Automatic rolling device for large-diameter long-section hollow cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440265A (en) * | 1981-05-22 | 1984-04-03 | Alitalia Linee Aeree Italiane S.P.A. | Hydro-pneumatic positioner for removal/or installation of wing engines of aircrafts and the like |
| CN103567739A (en) * | 2013-08-12 | 2014-02-12 | 中国航空工业集团公司沈阳发动机设计研究所 | Universal horizontal overturn assembly platform and assembly process for aero-engine |
| CN104118576A (en) * | 2014-08-07 | 2014-10-29 | 天津航天长征火箭制造有限公司 | Integrated large-angle rolling and posture adjusting rack car |
| CN204171918U (en) * | 2014-11-06 | 2015-02-25 | 航天科工哈尔滨风华有限公司 | Three axles move adjustable V-arrangement bracket |
| CN106378755A (en) * | 2016-11-14 | 2017-02-08 | 北京特种机械研究所 | Aircraft engine maintaining platform |
| CN206383112U (en) * | 2016-11-14 | 2017-08-08 | 北京特种机械研究所 | aircraft engine maintenance platform |
| CN206952949U (en) * | 2017-06-21 | 2018-02-02 | 昆山钣源冲压技术有限公司 | A kind of adjustable mechanical parts machining platform |
| CN209792831U (en) * | 2019-04-09 | 2019-12-17 | 银隆新能源股份有限公司 | Protective device |
| CN111015561A (en) * | 2019-12-28 | 2020-04-17 | 天津航天长征火箭制造有限公司 | Automatic rolling device for large-diameter long-section hollow cylinder |
| CN110773972A (en) * | 2020-01-02 | 2020-02-11 | 中国航空制造技术研究院 | Posture adjusting and positioning device for assembling culvert casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183113A (en) * | 2021-04-28 | 2021-07-30 | 哈尔滨玻璃钢研究院有限公司 | Multifunctional vehicle for barrel |
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| Publication number | Publication date |
|---|---|
| CN111687799B (en) | 2022-11-22 |
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