CN217230121U - Special bracket for aircraft for aviation maintenance - Google Patents

Special bracket for aircraft for aviation maintenance Download PDF

Info

Publication number
CN217230121U
CN217230121U CN202220327835.8U CN202220327835U CN217230121U CN 217230121 U CN217230121 U CN 217230121U CN 202220327835 U CN202220327835 U CN 202220327835U CN 217230121 U CN217230121 U CN 217230121U
Authority
CN
China
Prior art keywords
lifting
frame
aircraft
symmetry
maintenance
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
Application number
CN202220327835.8U
Other languages
Chinese (zh)
Inventor
赵洪涛
田野
王海涛
刘大威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202220327835.8U priority Critical patent/CN217230121U/en
Application granted granted Critical
Publication of CN217230121U publication Critical patent/CN217230121U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

Landscapes

  • Forklifts And Lifting Vehicles (AREA)

Abstract

The utility model discloses a special bracket of aircraft for aviation maintenance, including the equipment principal, the equipment principal includes: the chassis is provided with a mounting frame and a guide piece; the lifting assembly is used for lifting when the airplane is maintained and is arranged on the mounting frame; the auxiliary assembly is convenient for a user to convey the airplane to an appointed height during airplane maintenance, and is arranged on the guide piece; through setting up auxiliary assembly, in the use, usable driving motor drive operation panel reciprocates, delivers to suitable station with the user of service, need not to set up steel frame construction in the aircraft outside and is used for improving self position and maintain the inspection at aircraft maintenance station, and it is slow to solve steel frame construction and build speed, and consuming time and wasting power scheduling problem effectively improves the user of service and examines efficiency to the dimension of aircraft.

Description

Special aircraft bracket for aviation maintenance
Technical Field
The utility model relates to an aviation maintenance equipment technical field specifically is a special bracket of aircraft for aviation maintenance.
Background
The aviation maintenance refers to the maintenance and repair of the aircraft and the technical equipment on the aircraft to ensure the safety of the aircraft, and is a precondition and a necessary condition for the use of the aircraft and also an important component of the aviation industry. In recent years, equipment is continuously applied with latest scientific and technological achievements, has higher performance, more comprehensive technology and more complex structure, and brings great challenges to the regular maintenance, the quick maintenance and particularly the overhaul of aviation equipment. Therefore, maintenance equipment and means of the aeroengine at home and abroad are continuously developed and new, so that the maintenance means of the aeroengine is more modern and high in technology.
At present the bracket structure who is used for lifting the aircraft in aviation maintenance is too simple, only have the function of lifting to the aircraft, lift the back aircraft and keep apart too high than ground, the user of service need set up steel frame construction in the aircraft outside and be used for improving self position and maintain the inspection at aircraft maintenance station, steel frame construction builds speed slowly, consuming time power, and when shifting to next maintenance station, need demolish it or continue to build, seriously influence the maintenance efficiency of user of service to the aircraft, the practicality of device is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special bracket of aircraft for aviation maintenance to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides the following technical scheme: an aircraft-specific carrier for aerospace maintenance comprising an apparatus body, the apparatus body comprising:
the chassis is provided with a mounting frame and a guide piece;
the lifting assembly is used for lifting when the airplane is maintained and is arranged on the mounting frame; and
the auxiliary assembly that facilitates the use of personnel to send it to appointed height when the aircraft is maintained, the auxiliary assembly sets up on the guide.
Further, the chassis includes the removal frame, the removal frame includes the frame, the outside of frame evenly is provided with four groups of gyro wheels.
Furthermore, the front and back of the mounting rack are symmetrically provided with two groups, and the left and right of the mounting rack are fixedly connected to the inner side of the frame.
Further, the symmetry is provided with two sets ofly around the guide, the guide includes the guide way, the guide way sets up both ends around the inside of frame, the inboard front and back symmetry of guide way is provided with two sets of spouts, the left end front and back symmetry of frame is provided with two sets of driving motor, driving motor's output passes the frame and extends to the inboard of guide way.
Further, the symmetry is provided with two sets ofly around lifting the subassembly, lifting the subassembly including lifting the piece, two sets of pneumatic cylinders that lift the piece and set up including bilateral symmetry, the bottom fixed connection of pneumatic cylinder is in the top of mounting bracket, the output of pneumatic cylinder upwards is provided with the support pole.
Further, the lifting assembly further comprises a lifting frame, the lifting frame is symmetrically provided with two groups in the front and back direction, the lifting frame is fixedly connected to the top end of the lifting rod, and the top end of the lifting frame is provided with a positioning groove.
Further, the front and back symmetry of the auxiliary assembly is provided with two sets of, the auxiliary assembly includes the driving piece, the driving piece includes the main shaft, the left and right ends symmetry of main shaft is provided with the screw rod, and the left end of screw rod is connected with driving motor's output, and the right-hand member of screw rod is connected with the inboard rotation of guide way.
Further, the outside of screw rod is provided with the slider, the slider includes the slider, be provided with the screw hole corresponding with the screw rod on the slider, the slider passes through screw hole threaded connection in the outside of screw rod, both ends symmetry is provided with the stopper corresponding with the spout around the slider, stopper sliding connection is in the spout, the slider still includes down the rotation seat, down rotation seat fixed connection is in the top of slider.
Further, the auxiliary assembly still includes support piece, support piece includes the rotor arm, the rotor arm bilateral symmetry is provided with two sets ofly, the symmetry is provided with two sets of commentaries on classics holes on the rotor arm, the bottom of rotor arm is rotated through changeing the hole and is connected in lower rotation seat.
Furthermore, an operation table is arranged between the top ends of the two groups of rotating arms and comprises a table plate, a connecting block is arranged at the bottom end of the table plate, an upper rotating seat is arranged at the bottom end of the connecting block, the top ends of the rotating arms are rotatably connected to the upper rotating seat through rotating holes, a non-slip mat is arranged at the top end of the table plate, the non-slip mat is made of polyurethane, and anti-slip patterns are arranged at the top end of the non-slip mat.
Compared with the prior art, this practical beneficial effect is:
by arranging the equipment main body which comprises a lifting component for lifting during aircraft maintenance and an auxiliary component for facilitating a user to convey the equipment main body to a specified height during aircraft maintenance, when the equipment main body is used, the user moves the equipment main body to the position below an aircraft to be overhauled by using a moving frame, the lifting component operates, a hydraulic cylinder in a lifting piece drives a lifting rod to move upwards, the aircraft is lifted by using a lifting frame to realize the effect of lifting and fixing, the user can conveniently maintain and examine, then a bedplate on an operating platform on a user station operates by using a driving motor to drive a driving piece to rotate, in the rotating process of a screw rod, as a sliding block on a sliding piece is connected to the outer side of the screw rod in a sliding way through a threaded hole, the sliding block moves inwards, a rotating arm in a supporting piece is pushed to support the operating platform, the user is conveyed to a proper maintenance and examination station, and by arranging the auxiliary component, in the use, usable driving motor drive operation panel reciprocates, deliver to suitable station with the user of service, need not to set up steel frame construction in the aircraft outside and be used for improving self position and maintain the inspection at aircraft maintenance station, it is slow to solve steel frame construction and build speed, consuming time and power, and when shifting to next maintenance station, need demolish or continue to build the scheduling problem to it, effectively improve the user of service and examine efficiency to the dimension of aircraft, and at idle in-process, the rotor arm is in and is close the horizontality, the position of operation panel is low, can not lead to the fact the influence to lifting of lifting the subassembly to the aircraft, the practicality of device is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the chassis of the present invention;
fig. 4 is a schematic view of the exploded structure of the auxiliary assembly of the present invention.
In the figure: 1. an apparatus main body; 2. a chassis; 21. moving the frame; 211. a frame; 212. a roller; 22. a mounting frame; 23. a guide member; 231. a guide groove; 2311. a chute; 24. a drive motor; 3. a lifting assembly; 31. a lifting member; 311. a hydraulic cylinder; 312. a lifting rod; 32. a lifting frame; 321. positioning a groove; 4. an auxiliary component; 41. a drive member; 411. a main shaft; 412. a screw; 42. a slider; 421. a slider; 4211. a threaded hole; 4212. a limiting block; 422. a lower rotating base; 43. a support member; 431. a rotating arm; 4311. hole turning; 44. an operation table; 441. a platen; 442. connecting blocks; 443. and an upper rotating seat.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.
Referring to fig. 1-4, the present invention provides a technical solution for a bracket dedicated for aircraft maintenance: an aircraft-specific carrier for aircraft maintenance, comprising an apparatus body 1, the apparatus body 1 comprising:
the chassis 2, the chassis 2 is provided with an installation frame 22 and a guide member 23, the chassis 2 comprises a moving frame 21, the moving frame 21 comprises a frame 211, four groups of rollers 212 are uniformly arranged on the outer side of the frame 211, the device main body 1 is convenient for a user to move, two groups of the installation frame 22 are symmetrically arranged in front and back, the left side and the right side of the installation frame 22 are fixedly connected to the inner side of the frame 211, two groups of the guide member 23 are symmetrically arranged in front and back, the guide member 23 comprises a guide groove 231, the guide groove 231 is arranged at the front end and the back end of the inner part of the frame 211, two groups of sliding grooves 2311 are symmetrically arranged in front and back of the inner side of the guide groove 231, two groups of driving motors 24 are symmetrically arranged in front and back of the left end of the frame 211, and the output ends of the driving motors 24 penetrate through the frame 211 and extend to the inner side of the guide groove 231;
the lifting component 3 is used for lifting during aircraft maintenance, the lifting component 3 is arranged on the mounting frame 22, the front and back of the lifting component 3 are symmetrically provided with two groups, the lifting component 3 comprises a lifting piece 31, the lifting piece 31 comprises two groups of hydraulic cylinders 311 which are symmetrically arranged left and right, the bottom end of each hydraulic cylinder 311 is fixedly connected to the top end of the mounting frame 22, the output end of each hydraulic cylinder 311 is upwards provided with a lifting rod 312, the lifting component 3 further comprises a lifting frame 32, the front and back of each lifting frame 32 are symmetrically provided with two groups, each lifting frame 32 is fixedly connected to the top end of each lifting rod 312, the top end of each lifting frame 32 is provided with a positioning groove 321, the hydraulic cylinders 311 drive the lifting rods 312 to ascend during use, and an aircraft is supported by the lifting frames 32;
and an auxiliary assembly 4 which is convenient for a user to send the airplane to a designated height during airplane maintenance, the auxiliary assembly 4 is arranged on the guide member 23, two sets of the auxiliary assembly 4 are symmetrically arranged in front and back, the auxiliary assembly 4 comprises a driving member 41, the driving member 41 comprises a main shaft 411, screw rods 412 are symmetrically arranged at the left end and the right end of the main shaft 411, the left end of the screw rod 412 at the left end is connected with the output end of the driving motor 24, the right end of the screw rod 412 at the right end is rotatably connected with the inner side of the guide groove 231, a sliding member 42 is arranged at the outer side of the screw rod 412, the sliding member 42 comprises a sliding block 421, a threaded hole 4211 corresponding to the screw rod 412 is arranged on the sliding block 421, the sliding block 421 is in threaded connection with the outer side of the screw rod 412 through the threaded hole 4211, limit blocks 4212 corresponding to the sliding groove 2311 are symmetrically arranged at the front end and the rear end of the sliding block 421, the sliding member 42 further comprises a lower rotating seat 422, lower rotating base 422 fixed connection is in the top of slider 421, auxiliary assembly 4 still includes support piece 43, support piece 43 includes rotor arm 431, rotor arm 431 bilateral symmetry is provided with two sets ofly, the symmetry is provided with two sets of holes 4311 that change on the rotor arm 431, the bottom of rotor arm 431 rotates through changeing hole 4311 and connects in lower rotating base 422, be provided with operation panel 44 between two sets of rotor arm 431 tops, operation panel 44 includes platen 441, the bottom of platen 441 is provided with connecting block 442, the bottom of connecting block 442 is provided with last rotating base 443, the top of rotor arm 431 rotates through changeing hole 4311 and connects in last rotating base 443, the top of platen 441 is provided with the slipmat, the material of slipmat is polyurethane, the top of slipmat is provided with anti-skidding line, increase its outer surface friction, make the maintenance examine personnel stand more stably safety.
The utility model discloses a set up equipment main part 1, equipment main part 1 includes the lifting subassembly 3 that is used for playing the effect of lifting when the aircraft is maintained and makes things convenient for the user to send it to the auxiliary assembly 4 of appointed height when the aircraft is maintained, when using, the user utilizes removal frame 21 to remove equipment main part 1 to the aircraft below of waiting to overhaul, lifting subassembly 3 operates, pneumatic cylinder 311 in lifting 31 drives lifting rod 312 and upwards moves, utilize lifting frame 32 to lift the aircraft, realize the effect of lifting and fixing, make things convenient for the user to maintain and examine, the platen 441 on the user's station operation platform 44, driving motor 24 operates, drive driving piece 41 rotates, in the rotation process of screw 412, because slider 421 on the slider 42 passes through screw hole 4211 sliding connection in the outside of screw 412, slider 421 moves to the inboard, promote rotor arm 431 in the support piece 43 and support up operation panel 44, send the user to suitable maintenance station, through setting up auxiliary assembly 4, in the use, usable driving motor 24 drive operation panel 44 reciprocates, send the user to suitable station, need not to set up steel frame construction in the aircraft outside and be used for improving self position and maintain the inspection at aircraft maintenance station, it is slow to solve steel frame construction and build speed, consuming time and wasting force, and when shifting to next maintenance station, need demolish or continue to build the scheduling problem to it, effectively improve the user and examine the efficiency to the maintenance of aircraft, and in idle process, rotor arm 431 is in and is close the horizontality, operation panel 44 is low in position, can not cause the influence to lifting of lifting subassembly 3 to the aircraft, the practicality of device is stronger.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A bracket for aircraft dedicated to aviation maintenance, comprising an equipment body (1), characterized in that: the apparatus main body (1) includes:
the chassis (2), there are mounting brackets (22) and guides (23) on the said chassis (2);
the lifting assembly (3) is used for lifting when the airplane is maintained, and the lifting assembly (3) is arranged on the mounting frame (22); and
make things convenient for the user of service to deliver to auxiliary assembly (4) of appointed height with it when the aircraft maintenance, auxiliary assembly (4) set up on guide (23), auxiliary assembly (4) front and back symmetry is provided with two sets ofly, auxiliary assembly (4) are including driving piece (41), driving piece (41) are including main shaft (411), main shaft (411) are controlled both ends symmetry and are provided with screw rod (412), the left end of screw rod (412) is connected with the output of driving motor (24), the right-hand member of screw rod (412) is rotated with the inboard of guide way (231) and is connected.
2. An aircraft specific bracket for aerospace service according to claim 1, wherein: the chassis (2) comprises a moving frame (21), the moving frame (21) comprises a frame (211), and four groups of rollers (212) are uniformly arranged on the outer side of the frame (211).
3. An aircraft specific bracket for aerospace maintenance according to claim 2, wherein: the mounting bracket (22) front and back symmetry is provided with two sets of, the left and right sides fixed connection of mounting bracket (22) is in the inboard of frame (211).
4. An aircraft specific bracket for aerospace maintenance according to claim 3, wherein: the utility model discloses a frame, including frame (211), guide (23) front and back symmetry is provided with two sets ofly, guide (23) includes guide way (231), both ends around guide way (231) set up in the inside of frame (211), the inboard front and back symmetry of guide way (231) is provided with two sets of spout (2311), the left end front and back symmetry of frame (211) is provided with two sets of driving motor (24), the output of driving motor (24) passes frame (211) and extends to the inboard of guide way (231).
5. An aircraft specific bracket for aerospace maintenance according to claim 4, wherein: the utility model discloses a hydraulic lifting device, including lifting assembly (3), lifting assembly (3) is provided with two sets ofly around the symmetry, lifting assembly (3) is including lifting (31), two sets of pneumatic cylinders (311) that lifting (31) set up including bilateral symmetry, the bottom fixed connection of pneumatic cylinder (311) is in the top of mounting bracket (22), the output of pneumatic cylinder (311) upwards is provided with and holds in the palm pole (312) of lifting.
6. An aircraft specific bracket for aerospace maintenance according to claim 5, wherein: lift subassembly (3) still including lifting frame (32), lifting frame (32) front and back symmetry is provided with two sets ofly, lifting frame (32) fixed connection is on the top of holding in the palm lifting rod (312), the top of lifting frame (32) is provided with constant head tank (321).
7. An aircraft specific bracket for aerospace maintenance according to claim 6, wherein: the outer side of the screw rod (412) is provided with a sliding piece (42), the sliding piece (42) comprises a sliding block (421), a threaded hole (4211) corresponding to the screw rod (412) is formed in the sliding block (421), the sliding block (421) is in threaded connection with the outer side of the screw rod (412) through the threaded hole (4211), limiting blocks (4212) corresponding to the sliding grooves (2311) are symmetrically arranged at the front end and the rear end of the sliding block (421), the limiting blocks (4212) are connected in the sliding grooves (2311) in a sliding mode, the sliding piece (42) further comprises a lower rotating base (422), and the lower rotating base (422) is fixedly connected to the top end of the sliding block (421).
8. An aircraft specific bracket for aerospace maintenance according to claim 7, wherein: the auxiliary assembly (4) still includes support piece (43), support piece (43) include rotor arm (431), rotor arm (431) bilateral symmetry is provided with two sets ofly, the symmetry is provided with two sets of commentaries on classics hole (4311) on rotor arm (431), the bottom of rotor arm (431) is rotated through changeing hole (4311) and is connected in lower rotation seat (422).
9. An aircraft specific bracket for aerospace maintenance according to claim 8, wherein: an operation table (44) is arranged between the top ends of the two groups of rotating arms (431), the operation table (44) comprises a table plate (441), a connecting block (442) is arranged at the bottom end of the table plate (441), an upper rotating seat (443) is arranged at the bottom end of the connecting block (442), the top end of each rotating arm (431) is rotatably connected to the upper rotating seat (443) through a rotating hole (4311), an anti-slip pad is arranged at the top end of the table plate (441), the anti-slip pad is made of polyurethane, and anti-slip lines are arranged at the top end of the anti-slip pad.
CN202220327835.8U 2022-02-18 2022-02-18 Special bracket for aircraft for aviation maintenance Active CN217230121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220327835.8U CN217230121U (en) 2022-02-18 2022-02-18 Special bracket for aircraft for aviation maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220327835.8U CN217230121U (en) 2022-02-18 2022-02-18 Special bracket for aircraft for aviation maintenance

Publications (1)

Publication Number Publication Date
CN217230121U true CN217230121U (en) 2022-08-19

Family

ID=82835459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220327835.8U Active CN217230121U (en) 2022-02-18 2022-02-18 Special bracket for aircraft for aviation maintenance

Country Status (1)

Country Link
CN (1) CN217230121U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116553424A (en) * 2023-05-11 2023-08-08 射阳兴凯飞航空设备有限公司 Lifting platform and method for intelligent aircraft part overhaul

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116553424A (en) * 2023-05-11 2023-08-08 射阳兴凯飞航空设备有限公司 Lifting platform and method for intelligent aircraft part overhaul
CN116553424B (en) * 2023-05-11 2023-12-19 射阳兴凯飞航空设备有限公司 Lifting platform and method for intelligent aircraft part overhaul

Similar Documents

Publication Publication Date Title
CN2806137Y (en) Three-station skid platform type full automatic glass printer structure
CN217230121U (en) Special bracket for aircraft for aviation maintenance
CN105398765B (en) A kind of load lifting transmission device of graphite boat
CN207658841U (en) A kind of electric wire take-up
CN113315318A (en) Inspection device and inspection method suitable for large-scale hydraulic generator stator and rotor
CN110814998A (en) Swing type double-station polishing machine and working method thereof
CN112265630A (en) Retraction mechanism of aircraft maintenance cabin door
CN207876801U (en) A kind of material retractable device
CN210075021U (en) Motor stator and rotor assembling machine
CN216180219U (en) Component replacing robot in chemical fiber spinning production process
CN108527085A (en) A kind of novel mask paper feather plucking mechanism
CN210549826U (en) Loading frame of plate cutting machine
CN212071443U (en) Automatic polishing of glass frame for equipment
CN212191462U (en) Exempt from to tear open template cutting system equipment
CN210393593U (en) Lifting movement system for glass conveying line substrate receiving equipment
CN219860393U (en) Photovoltaic installation engineering vehicle
CN218951256U (en) Device for online replacement of main line conveying roller way of ultrathin glass
CN220299735U (en) Glass loading device
CN218460451U (en) Roller disassembling and assembling device
CN214611308U (en) Guide rail type lifting operation platform
CN219567294U (en) Handling device for bearing production and processing
CN220260322U (en) Automatic feeding mechanism for processing rotating shaft
CN218618735U (en) Cargo handling lifting machine
CN215316408U (en) Steel sheet cutting device convenient to use
CN219404039U (en) Positioning device for maintaining railway locomotive wheelset

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant