CN218656391U - Punching tool for automobile shaft sleeve - Google Patents

Punching tool for automobile shaft sleeve Download PDF

Info

Publication number
CN218656391U
CN218656391U CN202223187275.XU CN202223187275U CN218656391U CN 218656391 U CN218656391 U CN 218656391U CN 202223187275 U CN202223187275 U CN 202223187275U CN 218656391 U CN218656391 U CN 218656391U
Authority
CN
China
Prior art keywords
punching
shaft sleeve
hole
punches
hydraulic machine
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
CN202223187275.XU
Other languages
Chinese (zh)
Inventor
陈超
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.)
Quanzhou Jindian Machinery Development Co ltd
Original Assignee
Quanzhou Jindian Machinery Development Co ltd
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 Quanzhou Jindian Machinery Development Co ltd filed Critical Quanzhou Jindian Machinery Development Co ltd
Priority to CN202223187275.XU priority Critical patent/CN218656391U/en
Application granted granted Critical
Publication of CN218656391U publication Critical patent/CN218656391U/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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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

  • Punching Or Piercing (AREA)

Abstract

The utility model discloses a frock of punching a hole of car axle sleeve, the axle sleeve carousel top that punches a hole is run through all around and has been seted up the axle sleeve standing groove, the axle sleeve standing groove outside is run through and has been seted up outer punching groove, the axle sleeve standing groove inboard runs through and has been seted up interior punching groove, the axle sleeve carousel inboard mid-mounting that punches a hole has the carousel stay tube that punches a hole, driven gear is installed to carousel stay tube bottom of punching a hole. The utility model discloses a set up the axle sleeve carousel that punches a hole, axle sleeve standing groove, the carousel stay tube that punches a hole, driven gear, the carousel that punches a hole rotates motor and driving gear, a plurality of axle sleeve standing grooves of punching a hole the inside setting of carousel through the axle sleeve have effectively improved axle sleeve machining efficiency, and the carousel stay tube that punches a hole, driven gear, the carousel that punches a hole rotate motor and driving gear can guarantee that the axle sleeve efficiency of the carousel that punches a hole at the during operation.

Description

Punching tool for automobile shaft sleeve
Technical Field
The utility model belongs to the technical field of the punching a hole of axle sleeve, specifically be a frock of punching a hole of car axle sleeve.
Background
The punching machine is mechanical equipment which is used for punching a piece to be punched after the piece to be punched is fixed and is driven by a power mechanism.
The automobile shaft sleeve needs to be punched when being processed, the maintenance and the daily maintenance of the existing punching tool of the automobile shaft sleeve are time-consuming and labor-consuming, and the processing efficiency is still to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frock of punching a hole of car axle sleeve can effectively solve the technical problem who proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a punching tool for an automobile shaft sleeve comprises a shaft sleeve conveyor, wherein a shaft sleeve feeding frame is connected to a discharge end of the shaft sleeve conveyor;
a shaft sleeve punching turntable is arranged below the shaft sleeve putting frame, shaft sleeve placing grooves are formed in the periphery of the top end of the shaft sleeve punching turntable in a penetrating mode, outer punching grooves are formed in the outer sides of the shaft sleeve placing grooves in a penetrating mode, and inner punching grooves are formed in the inner sides of the shaft sleeve placing grooves in a penetrating mode;
a punching turntable supporting tube is arranged in the middle of the inner side of the shaft sleeve punching turntable, and a driven gear is arranged at the bottom end of the punching turntable supporting tube;
a shaft sleeve placing groove bottom plate is mounted at the bottom end of the shaft sleeve punching turntable in a suspending mode, and a shaft sleeve outlet separation hole is formed in the separation end of the shaft sleeve placing groove bottom plate in a penetrating mode;
the periphery of the bottom end of the shaft sleeve placing groove bottom plate is provided with shaft sleeve placing groove bottom plate supporting columns, the bottom ends of the shaft sleeve placing groove bottom plate supporting columns are connected with a punching tool base, the middle part of the punching tool base is provided with a punching turntable supporting tube bearing, and the other end of the punching turntable supporting tube bearing is connected with the bottom end of the punching turntable supporting tube;
the punching tool is characterized in that a punching turntable rotating motor is installed at the top end of the punching tool base, a driving gear is connected to the transmission end of the punching turntable rotating motor through a rotating shaft, and the driving gear is meshed with a driven gear.
Preferably, a transverse transmission belt is arranged on the inner side of the feed end of the shaft sleeve conveyor;
an inclined plane transmission band is installed on the inner side of the discharge end of the shaft sleeve conveyor.
Preferably, a discharging conveying belt is installed at one end of the punching tool base below the shaft sleeve outlet separation hole.
Preferably, an inner punching vertical hydraulic machine is installed inside a punching turntable supporting tube at the top end of the punching tool base, an inner punching transverse hydraulic machine base is installed at the extending end of the inner punching vertical hydraulic machine, an inner punching transverse hydraulic machine is installed at the tail end of the inner punching transverse hydraulic machine base in a penetrating mode, an inner punching motor is installed at the extending end of the inner punching transverse hydraulic machine, and an inner punching rotary head is installed at the transmission end of the inner punching motor;
the outer vertical hydraulic press that punches a hole has been placed to the outer end of punching a hole of frock base, the outer horizontal hydraulic press base that punches a hole is installed on the outer vertical hydraulic press top that punches a hole, the outer horizontal hydraulic press base tail end that punches a hole is run through and is installed the outer horizontal hydraulic press that punches a hole, outer punch a hole motor is installed to the outer horizontal hydraulic press that punches a hole extension end, outer punching rotary joint is installed to outer punching motor transmission end.
Preferably, the input ends of the inner punching vertical hydraulic machine, the outer punching vertical hydraulic machine, the inner punching transverse hydraulic machine and the outer punching transverse hydraulic machine are connected with the output end of the same external control terminal.
Preferably, the height of the inner punching vertical hydraulic machine is different from that of the outer punching vertical hydraulic machine, but the hydraulic ends are on the same horizontal line, and the lengths of the hydraulic arms are the same.
Preferably, one end of the shaft sleeve feeding frame at the output end of the shaft sleeve conveyor is provided with a shaft sleeve feeding frame electric baffle;
the punching turntable rotates the input end of the motor to be connected with the output end of the motor controller, and the input end of the shaft sleeve throwing frame electric baffle is connected with the output end of the time controller.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up axle sleeve conveyer, horizontal transmission band, inclined plane transmission band and axle sleeve and put in a frame electric baffle, through axle sleeve conveyer, the efficiency of processing can greatly accelerated to inboard horizontal transmission band and inclined plane transmission band, and the setting of axle sleeve puts in a frame electric baffle can limit speed and the quantity of axle sleeve of each time of whereabouts;
2. the utility model discloses a set up the axle sleeve carousel that punches a hole, axle sleeve standing groove, the carousel stay tube that punches a hole, driven gear, the carousel that punches a hole rotates motor and driving gear, a plurality of axle sleeve standing grooves of punching a hole the inside setting of carousel through the axle sleeve have effectively improved machining efficiency, and the carousel stay tube that punches a hole, driven gear, the carousel that punches a hole rotate motor and driving gear can guarantee that the axle sleeve punches a hole the carousel and can guarantee the efficiency at the during operation.
3. The utility model discloses a vertical hydraulic press punches a hole in setting up, the horizontal hydraulic press base that punches a hole in, the horizontal hydraulic press that punches a hole in, the vertical hydraulic press that punches a hole outward, the horizontal hydraulic press base that punches a hole outward and the horizontal hydraulic press that punches a hole outward, through the vertical hydraulic press that punches a hole in and the vertical hydraulic press that punches a hole outward can ensure the not offering of co-altitude hole when punching a hole.
Drawings
The accompanying drawings 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 and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of a shaft sleeve punching turntable of the present invention;
fig. 2 is a schematic structural view of the feeding conveyor belt of the present invention;
fig. 3 is a schematic structural view of a bottom plate of the shaft sleeve placing groove of the present invention;
fig. 4 is a schematic structural view of a punching turntable rotating motor of the present invention;
fig. 5 is a schematic structural view of the outer punching motor of the present invention;
fig. 6 is a schematic structural view of the inner punching motor of the present invention;
reference numbers in the figures: 1. a shaft sleeve conveyor; 2. a transverse conveyor belt; 3. a bevel conveyor belt; 4. a shaft sleeve putting frame; 5. a shaft sleeve punching turntable; 6. a shaft sleeve placing groove; 7. punching a hole groove; 8. punching a hole groove; 9. supporting a pipe by a punching turntable; 10. a driven gear; 11. a shaft sleeve placing groove bottom plate; 12. the shaft sleeve is provided with a disengaging hole; 13. a shaft sleeve placing groove bottom plate supporting column; 14. a punching tool base; 15. the punching turntable supports the pipe bearing; 16. the punching turntable rotates the motor; 17. a driving gear; 18. a discharge conveyor belt; 19. an internal punching vertical hydraulic press; 20. the inner punching transverse hydraulic press base; 21. an inner punching transverse hydraulic press; 22. an inner punching motor; 23. turning the inner punching hole; 24. an external punching vertical hydraulic press; 25. the outer punching transverse hydraulic press base; 26. an outer punching transverse hydraulic press; 27. an outer punching motor; 28. an outer punching rotary head; 29. an electric baffle plate of the shaft sleeve feeding frame.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-6, the utility model provides a punching tool technical scheme of an automobile shaft sleeve, a punching tool of an automobile shaft sleeve, including shaft sleeve conveyer 1, the discharge end of shaft sleeve conveyer 1 is connected with shaft sleeve putting frame 4, shaft sleeve putting frame electric baffle 29 is installed at one end of shaft sleeve putting frame 4 at the output end of shaft sleeve conveyer 1, the input end of punching turntable rotating motor 16 is connected with the output end of motor controller, the input end of shaft sleeve putting frame electric baffle 29 is connected with the output end of time controller, transverse transmission band 2 is installed at the inner side of the feed end of shaft sleeve conveyer 1, and inclined transmission band 3 is installed at the inner side of the discharge end of shaft sleeve conveyer 1;
in order to realize punching automation, a shaft sleeve punching rotary table 5 is placed below a shaft sleeve putting frame 4, a shaft sleeve placing groove 6 is formed in the periphery of the top end of the shaft sleeve punching rotary table 5 in a penetrating manner, an outer punching groove 7 is formed in the outer side of the shaft sleeve placing groove 6 in a penetrating manner, an inner punching groove 8 is formed in the inner side of the shaft sleeve placing groove 6 in a penetrating manner, a punching rotary table supporting tube 9 is installed in the middle of the inner side of the shaft sleeve punching rotary table 5, a driven gear 10 is installed at the bottom end of the punching rotary table supporting tube 9, a shaft sleeve placing groove bottom plate 11 is mounted at the bottom end of the shaft sleeve punching rotary table 5 in a suspending manner, a shaft sleeve outlet separation hole 12 is formed in the separation end of the shaft sleeve placing groove bottom plate 11 in a penetrating manner, a discharging transmission belt 18 is installed at one end of a punching tool base 14 below the shaft sleeve outlet separation hole 12, shaft sleeve placing groove bottom plate supporting columns 13 are all installed at the periphery of the bottom end of the shaft sleeve placing groove bottom plate 11, a punching tool base 14 is connected with a punching tool base 14, a punching rotary table supporting column 13, a punching rotary motor 16 is installed in the middle of the punching tool base 14, a punching rotary table supporting column 15, the punching rotary table is connected with a driving gear 17, and the driving gear 17 is meshed with the driven gear 10;
in order to enable the punching shape and position not to be limited, an inner punching vertical hydraulic machine 19 is installed inside a punching turntable supporting tube 9 at the top end of a punching tool base 14, an inner punching horizontal hydraulic machine base 20 is installed at the extending end of the inner punching vertical hydraulic machine 19, an inner punching horizontal hydraulic machine 21 is installed at the tail end of the inner punching horizontal hydraulic machine base 20 in a penetrating mode, an inner punching motor 22 is installed at the extending end of the inner punching horizontal hydraulic machine 21, and an inner punching rotary head 23 is installed at the transmission end of the inner punching motor 22;
in order to realize the automation of the whole device, an outer punching vertical hydraulic machine 24 is placed at the outer punching end of the punching tool base 14, an outer punching horizontal hydraulic machine base 25 is installed at the top end of the outer punching vertical hydraulic machine 24, an outer punching horizontal hydraulic machine 26 is installed at the tail end of the outer punching horizontal hydraulic machine base 25 in a penetrating mode, an outer punching motor 27 is installed at the extending end of the outer punching horizontal hydraulic machine 26, an outer punching rotating head 28 is installed at the transmission end of the outer punching motor 27, the input ends of the inner punching vertical hydraulic machine 19, the outer punching vertical hydraulic machine 24, the inner punching horizontal hydraulic machine 21 and the outer punching horizontal hydraulic machine 26 are all connected with the output end of the same external control terminal, the heights of the inner punching vertical hydraulic machine 19 and the outer punching vertical hydraulic machine 24 are different, but the hydraulic ends are on the same horizontal line, and the lengths of the hydraulic arms are the same.
The utility model discloses a theory of operation and use flow: firstly, a transverse transmission band 2, an inclined plane transmission band 3, a shaft sleeve putting frame electric baffle 29 and a punching turntable rotating motor 16 are started through a control terminal, then a shaft sleeve needing punching is placed above the transverse transmission band 2 on the inner side of a shaft sleeve transmission machine 1, one end input ends of the transverse transmission band 2 and the inclined plane transmission band 3 are connected with a time controller, the shaft sleeve can enter the inclined plane transmission band 3 along with the transverse transmission band 2, then the shaft sleeve entering the foremost end of the inclined plane transmission band 3 can be blocked by the shaft sleeve putting frame electric baffle 29, in order to prevent blockage, the input end of the shaft sleeve putting frame electric baffle 29 is also connected with the time controller, and the shaft sleeve putting frame electric baffle 29 can be controlled to be opened before each transmission of the transverse transmission band 2 and the inclined plane transmission band 3 and closed after the transmission is completed;
then, the shaft sleeve enters the shaft sleeve placing groove 6 at the top end of the shaft sleeve punching turntable 5 through the shaft sleeve feeding frame 4, the punching turntable rotating motor 16 can drive the shaft sleeve punching turntable 5 to rotate, meanwhile, the input end of the punching turntable rotating motor 16 is connected with a motor controller, the punching turntable rotating motor 16 can be enabled to operate according to a preset angle and time, the punching turntable rotating motor 16 can drive the shaft sleeve punching turntable 5 to operate according to a program of rotating ninety degrees every 40s, and meanwhile, the operation of the transverse transmission belt 2, the inclined transmission belt 3 and the shaft sleeve feeding frame electric baffle 29 is also completed during a pause period after the shaft sleeve punching turntable 5 completes rotation;
an operator can adjust the heights of the inner punching motor 22 and the outer punching motor 27 in advance according to the position of the hole by using the inner punching vertical hydraulic machine 19 and the outer punching vertical hydraulic machine 24, when the shaft sleeve rotates to the inside of the shaft sleeve placing groove 6 between the inner punching motor 22 and the outer punching motor 27, the inner punching motor 22 and the outer punching motor 27 punch the shaft sleeve through the outer punching groove 7 and the inner punching groove 8, all the steps are completed during the pause of the punching turntable rotating motor 16, the shaft sleeve punching turntable 5 continues to rotate after the punching is completed, and the shaft sleeve to be processed can be separated from the separation hole 12 through the shaft sleeve after rotating to the position above the shaft sleeve separation hole 12 to the position above the discharging conveying belt 18 and enters the next link along with the discharging conveying belt 18 or is collected on site.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a frock of punching a hole of car axle sleeve, includes axle sleeve conveyer (1), its characterized in that: the discharge end of the shaft sleeve conveyor (1) is connected with a shaft sleeve feeding frame (4);
a shaft sleeve punching turntable (5) is arranged below the shaft sleeve putting frame (4), shaft sleeve placing grooves (6) are formed in the periphery of the top end of the shaft sleeve punching turntable (5) in a penetrating mode, outer punching grooves (7) are formed in the outer sides of the shaft sleeve placing grooves (6) in a penetrating mode, and inner punching grooves (8) are formed in the inner sides of the shaft sleeve placing grooves (6) in a penetrating mode;
a punching turntable supporting tube (9) is arranged in the middle of the inner side of the shaft sleeve punching turntable (5), and a driven gear (10) is arranged at the bottom end of the punching turntable supporting tube (9);
a shaft sleeve placing groove bottom plate (11) is mounted at the bottom end of the shaft sleeve punching turntable (5) in a suspending mode, and a shaft sleeve outlet separation hole (12) is formed in the separation end of the shaft sleeve placing groove bottom plate (11) in a penetrating mode;
shaft sleeve placing groove bottom plate supporting columns (13) are arranged on the periphery of the bottom end of the shaft sleeve placing groove bottom plate (11), the bottom end of each shaft sleeve placing groove bottom plate supporting column (13) is connected with a punching tool base (14), a punching turntable supporting tube bearing (15) is arranged in the middle of each punching tool base (14), and the other end of each punching turntable supporting tube bearing (15) is connected with the bottom end of a punching turntable supporting tube (9);
punching hole carousel rotation motor (16) are installed on punching hole frock base (14) top, punching hole carousel rotation motor (16) transmission end is connected with driving gear (17) through the pivot, driving gear (17) and driven gear (10) mesh mutually.
2. The punching tool for the automobile shaft sleeve according to claim 1, wherein a transverse conveying belt (2) is installed on the inner side of the feeding end of the shaft sleeve conveyor (1);
an inclined plane transmission band (3) is arranged on the inner side of the discharge end of the shaft sleeve conveyor (1).
3. The punching tool for the automobile shaft sleeve is characterized in that one end of a punching tool base (14) below the shaft sleeve releasing hole (12) is provided with a discharging conveying belt (18).
4. The punching tool for the automobile shaft sleeve is characterized in that an inner punching vertical hydraulic machine (19) is installed inside a punching turntable supporting tube (9) at the top end of a punching tool base (14), an inner punching transverse hydraulic machine base (20) is installed at the extending end of the inner punching vertical hydraulic machine (19), an inner punching transverse hydraulic machine (21) is installed at the tail end of the inner punching transverse hydraulic machine base (20) in a penetrating mode, an inner punching motor (22) is installed at the extending end of the inner punching transverse hydraulic machine (21), and an inner punching rotary head (23) is installed at the transmission end of the inner punching motor (22);
outer vertical hydraulic press (24) that punches a hole has been placed to the end of punching a hole outside frock base (14), outer horizontal hydraulic press base (25) that punches a hole is installed on outer vertical hydraulic press (24) top of punching a hole, outer horizontal hydraulic press base (25) tail end that punches a hole runs through to install outer horizontal hydraulic press (26) that punches a hole, outer punching motor (27) are installed to outer horizontal hydraulic press (26) that punches a hole extension end, outer punching rotary head (28) are installed to outer punching motor (27) transmission end.
5. A punching tool for an automobile shaft sleeve according to claim 4, wherein input ends of the inner punching vertical hydraulic machine (19), the outer punching vertical hydraulic machine (24), the inner punching transverse hydraulic machine (21) and the outer punching transverse hydraulic machine (26) are connected with an output end of the same external control terminal.
6. A punching tool for an automobile shaft sleeve according to claim 4, wherein the inner punching vertical hydraulic machine (19) and the outer punching vertical hydraulic machine (24) are different in height.
7. The punching tool for the automobile shaft sleeve according to claim 2, wherein one end of a shaft sleeve feeding frame (4) at the output end of the shaft sleeve conveyor (1) is provided with a shaft sleeve feeding frame electric baffle plate (29); the input end of the punching turntable rotating motor (16) is connected with the output end of the motor controller, and the input end of the shaft sleeve putting frame electric baffle (29) is connected with the output end of the time controller.
CN202223187275.XU 2022-11-30 2022-11-30 Punching tool for automobile shaft sleeve Active CN218656391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223187275.XU CN218656391U (en) 2022-11-30 2022-11-30 Punching tool for automobile shaft sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223187275.XU CN218656391U (en) 2022-11-30 2022-11-30 Punching tool for automobile shaft sleeve

Publications (1)

Publication Number Publication Date
CN218656391U true CN218656391U (en) 2023-03-21

Family

ID=85541799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223187275.XU Active CN218656391U (en) 2022-11-30 2022-11-30 Punching tool for automobile shaft sleeve

Country Status (1)

Country Link
CN (1) CN218656391U (en)

Similar Documents

Publication Publication Date Title
CN206315762U (en) A kind of accurate matching device of solder(ing) paste raw material
CN110010309B (en) Automatic disassembling device for waste electric wires
CN101745908A (en) Mechanical arm and metal plate stamping device using same
CN205497596U (en) Full -automatic garlic root cutter
CN209720844U (en) A kind of bar discharging device
CN218656391U (en) Punching tool for automobile shaft sleeve
CN108422198B (en) Multi-station drilling and tapping machining center
CN105655662A (en) Automatic disassembling device for waste batteries
CN107470304B (en) Core box overturning and mold separating and assembling device
CN203805071U (en) Fully-automatic multi-station three-dimensional pipe punching equipment
CN101720970B (en) Automatic cherry stone removing machine
CN201201241Y (en) Manipulator and metal plate stamping processing equipment using the same
CN113843625B (en) Split type gearbox machining and assembling tool and assembling method thereof
CN204660483U (en) A kind of centrifugal viscous material feeding-distribution device
CN206169313U (en) Inside and outside automatic lathe material feeding unit
CN220949786U (en) Multi-station material transferring and distributing mechanism
CN113976733B (en) Stamping device for automobile accessory sleeve
CN116276106B (en) Hole flanging processing die for automobile die metal stamping part
CN106144283A (en) A kind of centrifugal viscous material feeding-distribution device
CN216542137U (en) Automatic feeding device for drilling and milling of metal products
CN210709697U (en) Feeding device for feeding machine
CN206622500U (en) A kind of construction site plate cutting waste discharging device
CN220093252U (en) Cutting device for bolt processing
CN116197339B (en) Sealing cover pressing and riveting device for automobile steering transmission shaft oil seal
CN203283749U (en) Bucket elevator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant